1 /*
2 * Driver interaction with Linux nl80211/cfg80211
3 * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi>
4 * Copyright (c) 2003-2004, Instant802 Networks, Inc.
5 * Copyright (c) 2005-2006, Devicescape Software, Inc.
6 * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
7 * Copyright (c) 2009-2010, Atheros Communications
8 *
9 * This software may be distributed under the terms of the BSD license.
10 * See README for more details.
11 */
12
13 #include "includes.h"
14 #include <sys/types.h>
15 #include <sys/utsname.h>
16 #include <fcntl.h>
17 #include <net/if.h>
18 #include <netlink/genl/genl.h>
19 #include <netlink/genl/ctrl.h>
20 #include <netlink/genl/family.h>
21 #include <linux/rtnetlink.h>
22 #include <netpacket/packet.h>
23 #include <linux/errqueue.h>
24
25 #include "common.h"
26 #include "eloop.h"
27 #include "common/qca-vendor.h"
28 #include "common/qca-vendor-attr.h"
29 #include "common/brcm_vendor.h"
30 #include "common/ieee802_11_defs.h"
31 #include "common/ieee802_11_common.h"
32 #include "common/wpa_common.h"
33 #include "crypto/sha256.h"
34 #include "crypto/sha384.h"
35 #include "netlink.h"
36 #include "linux_defines.h"
37 #include "linux_ioctl.h"
38 #include "radiotap.h"
39 #include "radiotap_iter.h"
40 #include "rfkill.h"
41 #include "driver_nl80211.h"
42
43
44 #ifndef NETLINK_CAP_ACK
45 #define NETLINK_CAP_ACK 10
46 #endif /* NETLINK_CAP_ACK */
47 /* support for extack if compilation headers are too old */
48 #ifndef NETLINK_EXT_ACK
49 #define NETLINK_EXT_ACK 11
50 enum nlmsgerr_attrs {
51 NLMSGERR_ATTR_UNUSED,
52 NLMSGERR_ATTR_MSG,
53 NLMSGERR_ATTR_OFFS,
54 NLMSGERR_ATTR_COOKIE,
55
56 __NLMSGERR_ATTR_MAX,
57 NLMSGERR_ATTR_MAX = __NLMSGERR_ATTR_MAX - 1
58 };
59 #endif
60 #ifndef NLM_F_CAPPED
61 #define NLM_F_CAPPED 0x100
62 #endif
63 #ifndef NLM_F_ACK_TLVS
64 #define NLM_F_ACK_TLVS 0x200
65 #endif
66 #ifndef SOL_NETLINK
67 #define SOL_NETLINK 270
68 #endif
69
70
71 #ifdef ANDROID
72 /* system/core/libnl_2 does not include nl_socket_set_nonblocking() */
73 #undef nl_socket_set_nonblocking
74 #define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h)
75
76 #endif /* ANDROID */
77
78
nl_create_handle(struct nl_cb * cb,const char * dbg)79 static struct nl_sock * nl_create_handle(struct nl_cb *cb, const char *dbg)
80 {
81 struct nl_sock *handle;
82
83 handle = nl_socket_alloc_cb(cb);
84 if (handle == NULL) {
85 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
86 "callbacks (%s)", dbg);
87 return NULL;
88 }
89
90 if (genl_connect(handle)) {
91 wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
92 "netlink (%s)", dbg);
93 nl_socket_free(handle);
94 return NULL;
95 }
96
97 return handle;
98 }
99
100
nl_destroy_handles(struct nl_sock ** handle)101 static void nl_destroy_handles(struct nl_sock **handle)
102 {
103 if (*handle == NULL)
104 return;
105 nl_socket_free(*handle);
106 *handle = NULL;
107 }
108
109
110 #if __WORDSIZE == 64
111 #define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL
112 #else
113 #define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL
114 #endif
115
nl80211_register_eloop_read(struct nl_sock ** handle,eloop_sock_handler handler,void * eloop_data,int persist)116 static void nl80211_register_eloop_read(struct nl_sock **handle,
117 eloop_sock_handler handler,
118 void *eloop_data, int persist)
119 {
120 /*
121 * libnl uses a pretty small buffer (32 kB that gets converted to 64 kB)
122 * by default. It is possible to hit that limit in some cases where
123 * operations are blocked, e.g., with a burst of Deauthentication frames
124 * to hostapd and STA entry deletion. Try to increase the buffer to make
125 * this less likely to occur.
126 */
127 int err;
128
129 err = nl_socket_set_buffer_size(*handle, 262144, 0);
130 if (err < 0) {
131 wpa_printf(MSG_DEBUG,
132 "nl80211: Could not set nl_socket RX buffer size: %s",
133 nl_geterror(err));
134 /* continue anyway with the default (smaller) buffer */
135 }
136
137 nl_socket_set_nonblocking(*handle);
138 eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
139 eloop_data, *handle);
140 if (!persist)
141 *handle = (void *) (((intptr_t) *handle) ^
142 ELOOP_SOCKET_INVALID);
143 }
144
145
nl80211_destroy_eloop_handle(struct nl_sock ** handle,int persist)146 static void nl80211_destroy_eloop_handle(struct nl_sock **handle, int persist)
147 {
148 if (!persist)
149 *handle = (void *) (((intptr_t) *handle) ^
150 ELOOP_SOCKET_INVALID);
151 eloop_unregister_read_sock(nl_socket_get_fd(*handle));
152 nl_destroy_handles(handle);
153 }
154
155
156 static void nl80211_global_deinit(void *priv);
157 static void nl80211_check_global(struct nl80211_global *global);
158
159 static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
160 static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
161 struct hostapd_freq_params *freq);
162
163 static int
164 wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
165 const u8 *set_addr, int first,
166 const char *driver_params);
167 static int nl80211_send_frame_cmd(struct i802_bss *bss,
168 unsigned int freq, unsigned int wait,
169 const u8 *buf, size_t buf_len,
170 int save_cookie, int no_cck, int no_ack,
171 int offchanok, const u16 *csa_offs,
172 size_t csa_offs_len, int link_id);
173 static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
174 int report);
175
176 #define IFIDX_ANY -1
177
178 static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
179 int ifidx_reason);
180 static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
181 int ifidx_reason);
182 static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
183 int ifidx_reason);
184
185 static int nl80211_set_channel(struct i802_bss *bss,
186 struct hostapd_freq_params *freq, int set_chan);
187 static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
188 int ifindex, int disabled);
189
190 static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
191 int reset_mode);
192
193 static int i802_set_iface_flags(struct i802_bss *bss, int up);
194 static int nl80211_set_param(void *priv, const char *param);
195 static void nl80211_remove_links(struct i802_bss *bss);
196 #ifdef CONFIG_MESH
197 static int nl80211_put_mesh_config(struct nl_msg *msg,
198 struct wpa_driver_mesh_bss_params *params);
199 #endif /* CONFIG_MESH */
200 static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
201 u16 reason);
202
203
204 /* Converts nl80211_chan_width to a common format */
convert2width(int width)205 enum chan_width convert2width(int width)
206 {
207 switch (width) {
208 case NL80211_CHAN_WIDTH_20_NOHT:
209 return CHAN_WIDTH_20_NOHT;
210 case NL80211_CHAN_WIDTH_20:
211 return CHAN_WIDTH_20;
212 case NL80211_CHAN_WIDTH_40:
213 return CHAN_WIDTH_40;
214 case NL80211_CHAN_WIDTH_80:
215 return CHAN_WIDTH_80;
216 case NL80211_CHAN_WIDTH_80P80:
217 return CHAN_WIDTH_80P80;
218 case NL80211_CHAN_WIDTH_160:
219 return CHAN_WIDTH_160;
220 case NL80211_CHAN_WIDTH_320:
221 return CHAN_WIDTH_320;
222 default:
223 return CHAN_WIDTH_UNKNOWN;
224 }
225 }
226
227
is_ap_interface(enum nl80211_iftype nlmode)228 int is_ap_interface(enum nl80211_iftype nlmode)
229 {
230 return nlmode == NL80211_IFTYPE_AP ||
231 nlmode == NL80211_IFTYPE_P2P_GO;
232 }
233
234
is_sta_interface(enum nl80211_iftype nlmode)235 int is_sta_interface(enum nl80211_iftype nlmode)
236 {
237 return nlmode == NL80211_IFTYPE_STATION ||
238 nlmode == NL80211_IFTYPE_P2P_CLIENT;
239 }
240
241
is_p2p_net_interface(enum nl80211_iftype nlmode)242 static int is_p2p_net_interface(enum nl80211_iftype nlmode)
243 {
244 return nlmode == NL80211_IFTYPE_P2P_CLIENT ||
245 nlmode == NL80211_IFTYPE_P2P_GO;
246 }
247
248
get_bss_ifindex(struct wpa_driver_nl80211_data * drv,int ifindex)249 struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv,
250 int ifindex)
251 {
252 struct i802_bss *bss;
253
254 for (bss = drv->first_bss; bss; bss = bss->next) {
255 if (bss->ifindex == ifindex)
256 return bss;
257 }
258
259 return NULL;
260 }
261
262
is_mesh_interface(enum nl80211_iftype nlmode)263 static int is_mesh_interface(enum nl80211_iftype nlmode)
264 {
265 return nlmode == NL80211_IFTYPE_MESH_POINT;
266 }
267
268
nl80211_mark_disconnected(struct wpa_driver_nl80211_data * drv)269 void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
270 {
271 if (drv->associated)
272 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
273 drv->associated = 0;
274 os_memset(&drv->sta_mlo_info, 0, sizeof(drv->sta_mlo_info));
275 os_memset(drv->bssid, 0, ETH_ALEN);
276 drv->first_bss->flink->freq = 0;
277 #ifdef CONFIG_DRIVER_NL80211_QCA
278 os_free(drv->pending_roam_data);
279 drv->pending_roam_data = NULL;
280 os_free(drv->pending_t2lm_data);
281 drv->pending_t2lm_data = NULL;
282 os_free(drv->pending_link_reconfig_data);
283 drv->pending_link_reconfig_data = NULL;
284 #endif /* CONFIG_DRIVER_NL80211_QCA */
285
286 drv->auth_mld = false;
287 drv->auth_mld_link_id = -1;
288 os_memset(drv->auth_ap_mld_addr, 0, ETH_ALEN);
289 }
290
291
292 /* nl80211 code */
ack_handler(struct nl_msg * msg,void * arg)293 static int ack_handler(struct nl_msg *msg, void *arg)
294 {
295 int *err = arg;
296 *err = 0;
297 return NL_STOP;
298 }
299
300
301 struct nl80211_ack_ext_arg {
302 int *err;
303 void *ext_data;
304 };
305
306
ack_handler_cookie(struct nl_msg * msg,void * arg)307 static int ack_handler_cookie(struct nl_msg *msg, void *arg)
308 {
309 struct nl80211_ack_ext_arg *ext_arg = arg;
310 struct nlattr *tb[NLMSGERR_ATTR_MAX + 1];
311 u64 *cookie = ext_arg->ext_data;
312 struct nlattr *attrs;
313 size_t ack_len, attr_len;
314
315 *ext_arg->err = 0;
316 ack_len = sizeof(struct nlmsghdr) + sizeof(int) +
317 sizeof(struct nlmsghdr);
318 attrs = (struct nlattr *)
319 ((u8 *) nlmsg_data(nlmsg_hdr(msg)) + sizeof(struct nlmsghdr) +
320 sizeof(int));
321 if (nlmsg_hdr(msg)->nlmsg_len <= ack_len)
322 return NL_STOP;
323
324 attr_len = nlmsg_hdr(msg)->nlmsg_len - ack_len;
325
326 if(!(nlmsg_hdr(msg)->nlmsg_flags & NLM_F_ACK_TLVS))
327 return NL_STOP;
328
329 nla_parse(tb, NLMSGERR_ATTR_MAX, attrs, attr_len, NULL);
330 if (tb[NLMSGERR_ATTR_COOKIE])
331 *cookie = nla_get_u64(tb[NLMSGERR_ATTR_COOKIE]);
332
333 return NL_STOP;
334 }
335
336
finish_handler(struct nl_msg * msg,void * arg)337 static int finish_handler(struct nl_msg *msg, void *arg)
338 {
339 int *ret = arg;
340 *ret = 0;
341 return NL_SKIP;
342 }
343
344 struct nl80211_ack_err_args {
345 int err;
346 struct nl_msg *orig_msg;
347 struct nl80211_err_info *err_info;
348 };
349
error_handler(struct sockaddr_nl * nla,struct nlmsgerr * err,void * arg)350 static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
351 void *arg)
352 {
353 struct nl80211_ack_err_args *err_args = arg;
354 struct nlmsghdr *nlh = (struct nlmsghdr *) err - 1;
355 struct nlmsghdr *orig_nlh = nlmsg_hdr(err_args->orig_msg);
356 int len = nlh->nlmsg_len;
357 struct nlattr *attrs;
358 struct nlattr *tb[NLMSGERR_ATTR_MAX + 1];
359 int ack_len = sizeof(*nlh) + sizeof(int) + sizeof(*nlh);
360 struct nlattr *mlo_links, *link_attr;
361 u32 offset;
362 int rem;
363
364 err_args->err = err->error;
365 if (err_args->err_info)
366 err_args->err_info->link_id = -1;
367
368 if (!(nlh->nlmsg_flags & NLM_F_ACK_TLVS))
369 return NL_SKIP;
370
371 if (!(nlh->nlmsg_flags & NLM_F_CAPPED))
372 ack_len += err->msg.nlmsg_len - sizeof(*nlh);
373
374 if (len <= ack_len)
375 return NL_STOP;
376
377 attrs = (void *) ((unsigned char *) nlh + ack_len);
378 len -= ack_len;
379
380 nla_parse(tb, NLMSGERR_ATTR_MAX, attrs, len, NULL);
381 if (tb[NLMSGERR_ATTR_MSG]) {
382 len = strnlen((char *) nla_data(tb[NLMSGERR_ATTR_MSG]),
383 nla_len(tb[NLMSGERR_ATTR_MSG]));
384 wpa_printf(MSG_ERROR, "nl80211: kernel reports: %*s",
385 len, (char *) nla_data(tb[NLMSGERR_ATTR_MSG]));
386 }
387
388 if (!err_args->err_info)
389 return NL_SKIP;
390
391 /* Check if it was a per-link error report */
392
393 if (!tb[NLMSGERR_ATTR_OFFS] ||
394 os_memcmp(orig_nlh, &err->msg, sizeof(err->msg)) != 0)
395 return NL_SKIP;
396
397 offset = nla_get_u32(tb[NLMSGERR_ATTR_OFFS]);
398
399 mlo_links = nlmsg_find_attr(orig_nlh, GENL_HDRLEN,
400 NL80211_ATTR_MLO_LINKS);
401 if (!mlo_links)
402 return NL_SKIP;
403
404 nla_for_each_nested(link_attr, mlo_links, rem) {
405 struct nlattr *link_id;
406 size_t link_offset = (u8 *) link_attr - (u8 *) orig_nlh;
407
408 if (offset < link_offset ||
409 offset >= link_offset + link_attr->nla_len)
410 continue;
411
412 link_id = nla_find(nla_data(link_attr), nla_len(link_attr),
413 NL80211_ATTR_MLO_LINK_ID);
414 if (link_id) {
415 err_args->err_info->link_id = nla_get_u8(link_id);
416 wpa_printf(MSG_DEBUG,
417 "nl80211: kernel reports error for link: %d",
418 err_args->err_info->link_id);
419 break;
420 }
421 }
422
423 return NL_SKIP;
424 }
425
426
no_seq_check(struct nl_msg * msg,void * arg)427 static int no_seq_check(struct nl_msg *msg, void *arg)
428 {
429 return NL_OK;
430 }
431
432
nl80211_nlmsg_clear(struct nl_msg * msg)433 static void nl80211_nlmsg_clear(struct nl_msg *msg)
434 {
435 /*
436 * Clear nlmsg data, e.g., to make sure key material is not left in
437 * heap memory for unnecessarily long time.
438 */
439 if (msg) {
440 struct nlmsghdr *hdr = nlmsg_hdr(msg);
441 void *data = nlmsg_data(hdr);
442 /*
443 * This would use nlmsg_datalen() or the older nlmsg_len() if
444 * only libnl were to maintain a stable API.. Neither will work
445 * with all released versions, so just calculate the length
446 * here.
447 */
448 int len = hdr->nlmsg_len - NLMSG_HDRLEN;
449
450 os_memset(data, 0, len);
451 }
452 }
453
454
send_event_marker(struct wpa_driver_nl80211_data * drv)455 static int send_event_marker(struct wpa_driver_nl80211_data *drv)
456 {
457 struct nl_sock *handle;
458 struct nl_msg *msg;
459 struct nlmsghdr *hdr;
460 int res = 0;
461 int err = -NLE_NOMEM;
462
463 msg = nlmsg_alloc();
464 if (!msg)
465 goto out;
466
467 /* We only care about the returned sequence number for matching. */
468 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_PROTOCOL_FEATURES))
469 goto out;
470
471 handle = (void *) (((intptr_t) drv->global->nl_event) ^
472 ELOOP_SOCKET_INVALID);
473
474 err = nl_send_auto_complete(handle, msg);
475 if (err < 0)
476 goto out;
477
478 hdr = nlmsg_hdr(msg);
479 res = hdr->nlmsg_seq;
480
481 out:
482 nlmsg_free(msg);
483 if (err)
484 wpa_printf(MSG_INFO, "nl80211: %s failed: %s",
485 __func__, nl_geterror(err));
486 return res;
487 }
488
489
send_and_recv(struct nl80211_global * global,struct nl_sock * nl_handle,struct nl_msg * msg,int (* valid_handler)(struct nl_msg *,void *),void * valid_data,int (* ack_handler_custom)(struct nl_msg *,void *),void * ack_data,struct nl80211_err_info * err_info)490 int send_and_recv(struct nl80211_global *global,
491 struct nl_sock *nl_handle, struct nl_msg *msg,
492 int (*valid_handler)(struct nl_msg *, void *),
493 void *valid_data,
494 int (*ack_handler_custom)(struct nl_msg *, void *),
495 void *ack_data,
496 struct nl80211_err_info *err_info)
497 {
498 struct nl_cb *cb, *s_nl_cb;
499 struct nl80211_ack_err_args err;
500 int opt;
501
502 if (!msg)
503 return -ENOMEM;
504
505 err.err = -ENOMEM;
506
507 s_nl_cb = nl_socket_get_cb(nl_handle);
508 cb = nl_cb_clone(s_nl_cb);
509 nl_cb_put(s_nl_cb);
510 if (!cb)
511 goto out;
512
513 /* try to set NETLINK_EXT_ACK to 1, ignoring errors */
514 opt = 1;
515 setsockopt(nl_socket_get_fd(nl_handle), SOL_NETLINK,
516 NETLINK_EXT_ACK, &opt, sizeof(opt));
517
518 /* try to set NETLINK_CAP_ACK to 1, ignoring errors */
519 opt = 1;
520 setsockopt(nl_socket_get_fd(nl_handle), SOL_NETLINK,
521 NETLINK_CAP_ACK, &opt, sizeof(opt));
522
523 err.err = nl_send_auto_complete(nl_handle, msg);
524 if (err.err < 0) {
525 wpa_printf(MSG_INFO,
526 "nl80211: nl_send_auto_complete() failed: %s",
527 nl_geterror(err.err));
528 /* Need to convert libnl error code to an errno value. For now,
529 * just hardcode this to EBADF; the real error reason is shown
530 * in that error print above. */
531 err.err = -EBADF;
532 goto out;
533 }
534
535 err.err = 1;
536 err.orig_msg = msg;
537 err.err_info = err_info;
538
539 nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
540 nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err.err);
541 if (ack_handler_custom) {
542 struct nl80211_ack_ext_arg *ext_arg = ack_data;
543
544 ext_arg->err = &err.err;
545 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM,
546 ack_handler_custom, ack_data);
547 } else {
548 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
549 }
550
551 if (valid_handler)
552 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
553 valid_handler, valid_data);
554
555 while (err.err > 0) {
556 int res = nl_recvmsgs(nl_handle, cb);
557
558 if (res == -NLE_DUMP_INTR) {
559 /* Most likely one of the nl80211 dump routines hit a
560 * case where internal results changed while the dump
561 * was being sent. The most common known case for this
562 * is scan results fetching while associated were every
563 * received Beacon frame from the AP may end up
564 * incrementing bss_generation. This
565 * NL80211_CMD_GET_SCAN case tries again in the caller;
566 * other cases (of which there are no known common ones)
567 * will stop and return an error. */
568 wpa_printf(MSG_DEBUG, "nl80211: %s; convert to -EAGAIN",
569 nl_geterror(res));
570 err.err = -EAGAIN;
571 } else if (res < 0) {
572 wpa_printf(MSG_INFO,
573 "nl80211: %s->nl_recvmsgs failed: %d (%s)",
574 __func__, res, nl_geterror(res));
575 }
576 }
577 out:
578 nl_cb_put(cb);
579 /* Always clear the message as it can potentially contain keys */
580 nl80211_nlmsg_clear(msg);
581 nlmsg_free(msg);
582 return err.err;
583 }
584
585
nl80211_put_control_port(struct wpa_driver_nl80211_data * drv,struct nl_msg * msg)586 static int nl80211_put_control_port(struct wpa_driver_nl80211_data *drv,
587 struct nl_msg *msg)
588 {
589 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT) ||
590 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
591 ((drv->capa.flags2 & WPA_DRIVER_FLAGS2_CONTROL_PORT_RX) &&
592 (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_OVER_NL80211) ||
593 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_PREAUTH))))
594 return -1;
595 return 0;
596 }
597
598
599 struct family_data {
600 const char *group;
601 int id;
602 };
603
604
family_handler(struct nl_msg * msg,void * arg)605 static int family_handler(struct nl_msg *msg, void *arg)
606 {
607 struct family_data *res = arg;
608 struct nlattr *tb[CTRL_ATTR_MAX + 1];
609 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
610 struct nlattr *mcgrp;
611 int i;
612
613 nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
614 genlmsg_attrlen(gnlh, 0), NULL);
615 if (!tb[CTRL_ATTR_MCAST_GROUPS])
616 return NL_SKIP;
617
618 nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
619 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
620 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
621 nla_len(mcgrp), NULL);
622 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
623 !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
624 os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
625 res->group,
626 nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
627 continue;
628 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
629 break;
630 };
631
632 return NL_SKIP;
633 }
634
635
nl_get_multicast_id(struct nl80211_global * global,const char * family,const char * group)636 static int nl_get_multicast_id(struct nl80211_global *global,
637 const char *family, const char *group)
638 {
639 struct nl_msg *msg;
640 int ret;
641 struct family_data res = { group, -ENOENT };
642
643 msg = nlmsg_alloc();
644 if (!msg)
645 return -ENOMEM;
646 if (!genlmsg_put(msg, 0, 0, global->nlctrl_id,
647 0, 0, CTRL_CMD_GETFAMILY, 0) ||
648 nla_put_string(msg, CTRL_ATTR_FAMILY_NAME, family)) {
649 nlmsg_free(msg);
650 return -1;
651 }
652
653 ret = send_and_recv(global, global->nl, msg, family_handler, &res,
654 NULL, NULL, NULL);
655 if (ret == 0)
656 ret = res.id;
657 return ret;
658 }
659
660
nl80211_cmd(struct wpa_driver_nl80211_data * drv,struct nl_msg * msg,int flags,uint8_t cmd)661 void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
662 struct nl_msg *msg, int flags, uint8_t cmd)
663 {
664 if (TEST_FAIL())
665 return NULL;
666 return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
667 0, flags, cmd, 0);
668 }
669
670
nl80211_set_iface_id(struct nl_msg * msg,struct i802_bss * bss)671 static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
672 {
673 if (bss->wdev_id_set)
674 return nla_put_u64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
675 return nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
676 }
677
678
nl80211_cmd_msg(struct i802_bss * bss,int flags,uint8_t cmd)679 struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd)
680 {
681 struct nl_msg *msg;
682
683 msg = nlmsg_alloc();
684 if (!msg)
685 return NULL;
686
687 if (!nl80211_cmd(bss->drv, msg, flags, cmd) ||
688 nl80211_set_iface_id(msg, bss) < 0) {
689 nlmsg_free(msg);
690 return NULL;
691 }
692
693 return msg;
694 }
695
696
697 static struct nl_msg *
nl80211_ifindex_msg_build(struct wpa_driver_nl80211_data * drv,struct nl_msg * msg,int ifindex,int flags,uint8_t cmd)698 nl80211_ifindex_msg_build(struct wpa_driver_nl80211_data *drv,
699 struct nl_msg *msg, int ifindex, int flags,
700 uint8_t cmd)
701 {
702 if (!msg)
703 return NULL;
704
705 if (!nl80211_cmd(drv, msg, flags, cmd) ||
706 nla_put_u32(msg, NL80211_ATTR_IFINDEX, ifindex)) {
707 nlmsg_free(msg);
708 return NULL;
709 }
710
711 return msg;
712 }
713
714
715 static struct nl_msg *
nl80211_ifindex_msg(struct wpa_driver_nl80211_data * drv,int ifindex,int flags,uint8_t cmd)716 nl80211_ifindex_msg(struct wpa_driver_nl80211_data *drv, int ifindex,
717 int flags, uint8_t cmd)
718 {
719 return nl80211_ifindex_msg_build(drv, nlmsg_alloc(), ifindex, flags,
720 cmd);
721 }
722
723
nl80211_drv_msg(struct wpa_driver_nl80211_data * drv,int flags,uint8_t cmd)724 struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags,
725 uint8_t cmd)
726 {
727 return nl80211_ifindex_msg(drv, drv->ifindex, flags, cmd);
728 }
729
730
nl80211_bss_msg(struct i802_bss * bss,int flags,uint8_t cmd)731 struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd)
732 {
733 return nl80211_ifindex_msg(bss->drv, bss->ifindex, flags, cmd);
734 }
735
736
737 struct wiphy_idx_data {
738 int wiphy_idx;
739 enum nl80211_iftype nlmode;
740 u8 *macaddr;
741 u8 use_4addr;
742 };
743
744
netdev_info_handler(struct nl_msg * msg,void * arg)745 static int netdev_info_handler(struct nl_msg *msg, void *arg)
746 {
747 struct nlattr *tb[NL80211_ATTR_MAX + 1];
748 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
749 struct wiphy_idx_data *info = arg;
750
751 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
752 genlmsg_attrlen(gnlh, 0), NULL);
753
754 if (tb[NL80211_ATTR_WIPHY])
755 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
756
757 if (tb[NL80211_ATTR_IFTYPE])
758 info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
759
760 if (tb[NL80211_ATTR_MAC] && info->macaddr)
761 os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
762 ETH_ALEN);
763
764 if (tb[NL80211_ATTR_4ADDR])
765 info->use_4addr = nla_get_u8(tb[NL80211_ATTR_4ADDR]);
766
767 return NL_SKIP;
768 }
769
770
nl80211_get_wiphy_index(struct i802_bss * bss)771 int nl80211_get_wiphy_index(struct i802_bss *bss)
772 {
773 struct nl_msg *msg;
774 struct wiphy_idx_data data = {
775 .wiphy_idx = -1,
776 .macaddr = NULL,
777 };
778
779 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
780 return -1;
781
782 if (send_and_recv_resp(bss->drv, msg, netdev_info_handler, &data) == 0)
783 return data.wiphy_idx;
784 return -1;
785 }
786
787
nl80211_get_ifmode(struct i802_bss * bss)788 static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
789 {
790 struct nl_msg *msg;
791 struct wiphy_idx_data data = {
792 .nlmode = NL80211_IFTYPE_UNSPECIFIED,
793 .macaddr = NULL,
794 };
795
796 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
797 return NL80211_IFTYPE_UNSPECIFIED;
798
799 if (send_and_recv_resp(bss->drv, msg, netdev_info_handler, &data) == 0)
800 return data.nlmode;
801 return NL80211_IFTYPE_UNSPECIFIED;
802 }
803
804
nl80211_get_macaddr(struct i802_bss * bss)805 static int nl80211_get_macaddr(struct i802_bss *bss)
806 {
807 struct nl_msg *msg;
808 struct wiphy_idx_data data = {
809 .macaddr = bss->addr,
810 };
811
812 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
813 return -1;
814
815 return send_and_recv_resp(bss->drv, msg, netdev_info_handler, &data);
816 }
817
818
nl80211_get_4addr(struct i802_bss * bss)819 static int nl80211_get_4addr(struct i802_bss *bss)
820 {
821 struct nl_msg *msg;
822 struct wiphy_idx_data data = {
823 .use_4addr = 0,
824 };
825
826 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)) ||
827 send_and_recv_resp(bss->drv, msg, netdev_info_handler, &data))
828 return -1;
829 return data.use_4addr;
830 }
831
832
nl80211_register_beacons(struct wpa_driver_nl80211_data * drv,struct nl80211_wiphy_data * w)833 static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
834 struct nl80211_wiphy_data *w)
835 {
836 struct nl_msg *msg;
837 int ret;
838
839 msg = nlmsg_alloc();
840 if (!msg)
841 return -1;
842
843 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS) ||
844 nla_put_u32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx)) {
845 nlmsg_free(msg);
846 return -1;
847 }
848
849 ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL,
850 NULL, NULL, NULL);
851 if (ret) {
852 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
853 "failed: ret=%d (%s)",
854 ret, strerror(-ret));
855 }
856 return ret;
857 }
858
859
nl80211_recv_beacons(int sock,void * eloop_ctx,void * handle)860 static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
861 {
862 struct nl80211_wiphy_data *w = eloop_ctx;
863 int res;
864
865 wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
866
867 res = nl_recvmsgs(handle, w->nl_cb);
868 if (res < 0) {
869 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
870 __func__, res);
871 }
872 }
873
874
process_beacon_event(struct nl_msg * msg,void * arg)875 static int process_beacon_event(struct nl_msg *msg, void *arg)
876 {
877 struct nl80211_wiphy_data *w = arg;
878 struct wpa_driver_nl80211_data *drv;
879 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
880 struct nlattr *tb[NL80211_ATTR_MAX + 1];
881 union wpa_event_data event;
882
883 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
884 genlmsg_attrlen(gnlh, 0), NULL);
885
886 if (gnlh->cmd != NL80211_CMD_FRAME) {
887 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
888 gnlh->cmd);
889 return NL_SKIP;
890 }
891
892 if (!tb[NL80211_ATTR_FRAME])
893 return NL_SKIP;
894
895 dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
896 wiphy_list) {
897 os_memset(&event, 0, sizeof(event));
898 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
899 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
900 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
901 }
902
903 return NL_SKIP;
904 }
905
906
907 static struct nl80211_wiphy_data *
nl80211_get_wiphy_data_ap(struct i802_bss * bss)908 nl80211_get_wiphy_data_ap(struct i802_bss *bss)
909 {
910 static DEFINE_DL_LIST(nl80211_wiphys);
911 struct nl80211_wiphy_data *w;
912 int wiphy_idx, found = 0;
913 struct i802_bss *tmp_bss;
914 u8 channel;
915
916 if (bss->wiphy_data != NULL)
917 return bss->wiphy_data;
918
919 wiphy_idx = nl80211_get_wiphy_index(bss);
920
921 dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
922 if (w->wiphy_idx == wiphy_idx)
923 goto add;
924 }
925
926 /* alloc new one */
927 w = os_zalloc(sizeof(*w));
928 if (w == NULL)
929 return NULL;
930 w->wiphy_idx = wiphy_idx;
931 dl_list_init(&w->bsss);
932 dl_list_init(&w->drvs);
933
934 /* Beacon frames not supported in IEEE 802.11ad */
935 if (ieee80211_freq_to_chan(bss->flink->freq, &channel) !=
936 HOSTAPD_MODE_IEEE80211AD) {
937 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
938 if (!w->nl_cb) {
939 os_free(w);
940 return NULL;
941 }
942 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
943 no_seq_check, NULL);
944 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
945 process_beacon_event, w);
946
947 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
948 "wiphy beacons");
949 if (w->nl_beacons == NULL) {
950 os_free(w);
951 return NULL;
952 }
953
954 if (nl80211_register_beacons(bss->drv, w)) {
955 nl_destroy_handles(&w->nl_beacons);
956 os_free(w);
957 return NULL;
958 }
959
960 nl80211_register_eloop_read(&w->nl_beacons,
961 nl80211_recv_beacons, w, 0);
962 }
963
964 dl_list_add(&nl80211_wiphys, &w->list);
965
966 add:
967 /* drv entry for this bss already there? */
968 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
969 if (tmp_bss->drv == bss->drv) {
970 found = 1;
971 break;
972 }
973 }
974 /* if not add it */
975 if (!found)
976 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
977
978 dl_list_add(&w->bsss, &bss->wiphy_list);
979 bss->wiphy_data = w;
980 return w;
981 }
982
983
nl80211_put_wiphy_data_ap(struct i802_bss * bss)984 static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
985 {
986 struct nl80211_wiphy_data *w = bss->wiphy_data;
987 struct i802_bss *tmp_bss;
988 int found = 0;
989
990 if (w == NULL)
991 return;
992 bss->wiphy_data = NULL;
993 dl_list_del(&bss->wiphy_list);
994
995 /* still any for this drv present? */
996 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
997 if (tmp_bss->drv == bss->drv) {
998 found = 1;
999 break;
1000 }
1001 }
1002 /* if not remove it */
1003 if (!found)
1004 dl_list_del(&bss->drv->wiphy_list);
1005
1006 if (!dl_list_empty(&w->bsss))
1007 return;
1008
1009 if (w->nl_beacons)
1010 nl80211_destroy_eloop_handle(&w->nl_beacons, 0);
1011
1012 nl_cb_put(w->nl_cb);
1013 dl_list_del(&w->list);
1014 os_free(w);
1015 }
1016
1017
nl80211_get_ifindex(void * priv)1018 static unsigned int nl80211_get_ifindex(void *priv)
1019 {
1020 struct i802_bss *bss = priv;
1021 struct wpa_driver_nl80211_data *drv = bss->drv;
1022
1023 return drv->ifindex;
1024 }
1025
1026
wpa_driver_nl80211_get_bssid(void * priv,u8 * bssid)1027 static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
1028 {
1029 struct i802_bss *bss = priv;
1030 struct wpa_driver_nl80211_data *drv = bss->drv;
1031 if (!drv->associated)
1032 return -1;
1033 os_memcpy(bssid, drv->bssid, ETH_ALEN);
1034 return 0;
1035 }
1036
1037
wpa_driver_nl80211_get_ssid(void * priv,u8 * ssid)1038 static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
1039 {
1040 struct i802_bss *bss = priv;
1041 struct wpa_driver_nl80211_data *drv = bss->drv;
1042 if (!drv->associated)
1043 return -1;
1044 os_memcpy(ssid, drv->ssid, drv->ssid_len);
1045 return drv->ssid_len;
1046 }
1047
1048
get_mlo_info(struct nl_msg * msg,void * arg)1049 static int get_mlo_info(struct nl_msg *msg, void *arg)
1050 {
1051 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1052 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1053 struct nlattr *link_attr, *link_data[NL80211_ATTR_MAX + 1];
1054 static struct nla_policy link_policy[NL80211_ATTR_MAX + 1] = {
1055 [NL80211_ATTR_MLO_LINK_ID] = { .type = NLA_U8 },
1056 [NL80211_ATTR_MAC] = { .minlen = ETH_ALEN, .maxlen = ETH_ALEN },
1057 };
1058 struct driver_sta_mlo_info *info = arg;
1059 int rem;
1060
1061 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1062 genlmsg_attrlen(gnlh, 0), NULL);
1063
1064 if (!tb[NL80211_ATTR_MLO_LINKS])
1065 return NL_SKIP;
1066
1067 info->valid_links = 0;
1068 nla_for_each_nested(link_attr, tb[NL80211_ATTR_MLO_LINKS], rem) {
1069 u8 link_id;
1070
1071 if (nla_parse_nested(link_data, NL80211_ATTR_MAX,
1072 link_attr, link_policy) != 0)
1073 continue;
1074
1075 if (!link_data[NL80211_ATTR_MLO_LINK_ID] ||
1076 !link_data[NL80211_ATTR_MAC])
1077 continue;
1078
1079 link_id = nla_get_u8(link_data[NL80211_ATTR_MLO_LINK_ID]);
1080 if (link_id >= MAX_NUM_MLD_LINKS)
1081 continue;
1082 info->valid_links |= BIT(link_id);
1083 os_memcpy(info->links[link_id].addr,
1084 nla_data(link_data[NL80211_ATTR_MAC]), ETH_ALEN);
1085 if (link_data[NL80211_ATTR_WIPHY_FREQ])
1086 info->links[link_id].freq =
1087 nla_get_u32(link_data[NL80211_ATTR_WIPHY_FREQ]);
1088 }
1089
1090 return NL_SKIP;
1091 }
1092
1093
nl80211_get_sta_mlo_info(void * priv,struct driver_sta_mlo_info * mlo_info)1094 static int nl80211_get_sta_mlo_info(void *priv,
1095 struct driver_sta_mlo_info *mlo_info)
1096 {
1097 struct i802_bss *bss = priv;
1098 struct wpa_driver_nl80211_data *drv = bss->drv;
1099
1100 if (!drv->associated)
1101 return -1;
1102
1103 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
1104 struct nl_msg *msg;
1105
1106 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
1107 if (send_and_recv_resp(drv, msg, get_mlo_info,
1108 &drv->sta_mlo_info))
1109 return -1;
1110 }
1111
1112 os_memcpy(mlo_info, &drv->sta_mlo_info, sizeof(*mlo_info));
1113 return 0;
1114 }
1115
1116
wpa_driver_nl80211_event_newlink(struct nl80211_global * global,struct wpa_driver_nl80211_data * drv,int ifindex,const char * ifname)1117 static void wpa_driver_nl80211_event_newlink(
1118 struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
1119 int ifindex, const char *ifname)
1120 {
1121 union wpa_event_data event;
1122
1123 if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
1124 if (if_nametoindex(drv->first_bss->ifname) == 0) {
1125 wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK",
1126 drv->first_bss->ifname);
1127 return;
1128 }
1129 if (!drv->if_removed)
1130 return;
1131 wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event",
1132 drv->first_bss->ifname);
1133 drv->if_removed = 0;
1134 }
1135
1136 os_memset(&event, 0, sizeof(event));
1137 event.interface_status.ifindex = ifindex;
1138 os_strlcpy(event.interface_status.ifname, ifname,
1139 sizeof(event.interface_status.ifname));
1140 event.interface_status.ievent = EVENT_INTERFACE_ADDED;
1141 if (drv)
1142 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
1143 else
1144 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
1145 &event);
1146 }
1147
1148
wpa_driver_nl80211_event_dellink(struct nl80211_global * global,struct wpa_driver_nl80211_data * drv,int ifindex,const char * ifname)1149 static void wpa_driver_nl80211_event_dellink(
1150 struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
1151 int ifindex, const char *ifname)
1152 {
1153 union wpa_event_data event;
1154
1155 if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
1156 if (drv->if_removed) {
1157 wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s",
1158 ifname);
1159 return;
1160 }
1161 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1",
1162 ifname);
1163 drv->if_removed = 1;
1164 } else {
1165 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed",
1166 ifname);
1167 }
1168
1169 os_memset(&event, 0, sizeof(event));
1170 event.interface_status.ifindex = ifindex;
1171 os_strlcpy(event.interface_status.ifname, ifname,
1172 sizeof(event.interface_status.ifname));
1173 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
1174 if (drv)
1175 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
1176 else
1177 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
1178 &event);
1179 }
1180
1181
wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data * drv,u8 * buf,size_t len)1182 static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
1183 u8 *buf, size_t len)
1184 {
1185 int attrlen, rta_len;
1186 struct rtattr *attr;
1187
1188 attrlen = len;
1189 attr = (struct rtattr *) buf;
1190
1191 rta_len = RTA_ALIGN(sizeof(struct rtattr));
1192 while (RTA_OK(attr, attrlen)) {
1193 if (attr->rta_type == IFLA_IFNAME) {
1194 if (os_strcmp(((char *) attr) + rta_len,
1195 drv->first_bss->ifname) == 0)
1196 return 1;
1197 else
1198 break;
1199 }
1200 attr = RTA_NEXT(attr, attrlen);
1201 }
1202
1203 return 0;
1204 }
1205
1206
wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data * drv,int ifindex,u8 * buf,size_t len)1207 static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
1208 int ifindex, u8 *buf, size_t len)
1209 {
1210 if (drv->ifindex == ifindex)
1211 return 1;
1212
1213 if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
1214 nl80211_check_global(drv->global);
1215 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
1216 "interface");
1217 if (wpa_driver_nl80211_finish_drv_init(drv, NULL, 0, NULL) < 0)
1218 return -1;
1219 return 1;
1220 }
1221
1222 return 0;
1223 }
1224
1225
1226 static struct wpa_driver_nl80211_data *
nl80211_find_drv(struct nl80211_global * global,int idx,u8 * buf,size_t len,int * init_failed)1227 nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len,
1228 int *init_failed)
1229 {
1230 struct wpa_driver_nl80211_data *drv;
1231 int res;
1232
1233 if (init_failed)
1234 *init_failed = 0;
1235 dl_list_for_each(drv, &global->interfaces,
1236 struct wpa_driver_nl80211_data, list) {
1237 res = wpa_driver_nl80211_own_ifindex(drv, idx, buf, len);
1238 if (res < 0) {
1239 wpa_printf(MSG_DEBUG,
1240 "nl80211: Found matching own interface, but failed to complete reinitialization");
1241 if (init_failed)
1242 *init_failed = 1;
1243 return drv;
1244 }
1245 if (res > 0 || have_ifidx(drv, idx, IFIDX_ANY))
1246 return drv;
1247 }
1248 return NULL;
1249 }
1250
1251
nl80211_refresh_mac(struct wpa_driver_nl80211_data * drv,int ifindex,int notify)1252 static void nl80211_refresh_mac(struct wpa_driver_nl80211_data *drv,
1253 int ifindex, int notify)
1254 {
1255 struct i802_bss *bss;
1256 u8 addr[ETH_ALEN];
1257
1258 bss = get_bss_ifindex(drv, ifindex);
1259 if (bss &&
1260 linux_get_ifhwaddr(drv->global->ioctl_sock,
1261 bss->ifname, addr) < 0) {
1262 wpa_printf(MSG_DEBUG,
1263 "nl80211: %s: failed to re-read MAC address",
1264 bss->ifname);
1265 } else if (bss && !ether_addr_equal(addr, bss->addr)) {
1266 wpa_printf(MSG_DEBUG,
1267 "nl80211: Own MAC address on ifindex %d (%s) changed from "
1268 MACSTR " to " MACSTR,
1269 ifindex, bss->ifname,
1270 MAC2STR(bss->addr), MAC2STR(addr));
1271 os_memcpy(bss->prev_addr, bss->addr, ETH_ALEN);
1272 os_memcpy(bss->addr, addr, ETH_ALEN);
1273 if (notify)
1274 wpa_supplicant_event(drv->ctx,
1275 EVENT_INTERFACE_MAC_CHANGED, NULL);
1276 }
1277 }
1278
1279
wpa_driver_nl80211_event_rtm_newlink(void * ctx,struct ifinfomsg * ifi,u8 * buf,size_t len)1280 static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
1281 struct ifinfomsg *ifi,
1282 u8 *buf, size_t len)
1283 {
1284 struct nl80211_global *global = ctx;
1285 struct wpa_driver_nl80211_data *drv;
1286 int attrlen;
1287 struct rtattr *attr;
1288 u32 brid = 0;
1289 char namebuf[IFNAMSIZ];
1290 char ifname[IFNAMSIZ + 1];
1291 char extra[100], *pos, *end;
1292 int init_failed;
1293
1294 extra[0] = '\0';
1295 pos = extra;
1296 end = pos + sizeof(extra);
1297 ifname[0] = '\0';
1298
1299 attrlen = len;
1300 attr = (struct rtattr *) buf;
1301 while (RTA_OK(attr, attrlen)) {
1302 switch (attr->rta_type) {
1303 case IFLA_IFNAME:
1304 if (RTA_PAYLOAD(attr) > IFNAMSIZ)
1305 break;
1306 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1307 ifname[RTA_PAYLOAD(attr)] = '\0';
1308 break;
1309 case IFLA_MASTER:
1310 brid = nla_get_u32((struct nlattr *) attr);
1311 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1312 break;
1313 case IFLA_WIRELESS:
1314 pos += os_snprintf(pos, end - pos, " wext");
1315 break;
1316 case IFLA_OPERSTATE:
1317 pos += os_snprintf(pos, end - pos, " operstate=%u",
1318 nla_get_u32((struct nlattr *) attr));
1319 break;
1320 case IFLA_LINKMODE:
1321 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1322 nla_get_u32((struct nlattr *) attr));
1323 break;
1324 }
1325 attr = RTA_NEXT(attr, attrlen);
1326 }
1327 extra[sizeof(extra) - 1] = '\0';
1328
1329 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1330 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1331 ifi->ifi_flags,
1332 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1333 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1334 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1335 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
1336
1337 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len, &init_failed);
1338 if (!drv)
1339 goto event_newlink;
1340 if (init_failed)
1341 return; /* do not update interface state */
1342
1343 if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
1344 namebuf[0] = '\0';
1345 if (if_indextoname(ifi->ifi_index, namebuf) &&
1346 linux_iface_up(drv->global->ioctl_sock, namebuf) > 0) {
1347 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1348 "event since interface %s is up", namebuf);
1349 drv->ignore_if_down_event = 0;
1350 /* Re-read MAC address as it may have changed */
1351 nl80211_refresh_mac(drv, ifi->ifi_index, 1);
1352 return;
1353 }
1354 wpa_printf(MSG_DEBUG, "nl80211: Interface down (%s/%s)",
1355 namebuf, ifname);
1356 if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
1357 wpa_printf(MSG_DEBUG,
1358 "nl80211: Not the main interface (%s) - do not indicate interface down",
1359 drv->first_bss->ifname);
1360 } else if (drv->ignore_if_down_event) {
1361 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1362 "event generated by mode change");
1363 drv->ignore_if_down_event = 0;
1364 } else {
1365 drv->if_disabled = 1;
1366 wpa_supplicant_event(drv->ctx,
1367 EVENT_INTERFACE_DISABLED, NULL);
1368
1369 /*
1370 * Try to get drv again, since it may be removed as
1371 * part of the EVENT_INTERFACE_DISABLED handling for
1372 * dynamic interfaces
1373 */
1374 drv = nl80211_find_drv(global, ifi->ifi_index,
1375 buf, len, NULL);
1376 if (!drv)
1377 return;
1378 }
1379 }
1380
1381 if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
1382 namebuf[0] = '\0';
1383 if (if_indextoname(ifi->ifi_index, namebuf) &&
1384 linux_iface_up(drv->global->ioctl_sock, namebuf) == 0) {
1385 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1386 "event since interface %s is down",
1387 namebuf);
1388 return;
1389 }
1390 wpa_printf(MSG_DEBUG, "nl80211: Interface up (%s/%s)",
1391 namebuf, ifname);
1392 if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
1393 wpa_printf(MSG_DEBUG,
1394 "nl80211: Not the main interface (%s) - do not indicate interface up",
1395 drv->first_bss->ifname);
1396 } else if (if_nametoindex(drv->first_bss->ifname) == 0) {
1397 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1398 "event since interface %s does not exist",
1399 drv->first_bss->ifname);
1400 } else if (drv->if_removed) {
1401 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1402 "event since interface %s is marked "
1403 "removed", drv->first_bss->ifname);
1404 } else {
1405 /* Re-read MAC address as it may have changed */
1406 nl80211_refresh_mac(drv, ifi->ifi_index, 0);
1407
1408 drv->if_disabled = 0;
1409 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1410 NULL);
1411 }
1412 }
1413
1414 /*
1415 * Some drivers send the association event before the operup event--in
1416 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
1417 * fails. This will hit us when wpa_supplicant does not need to do
1418 * IEEE 802.1X authentication
1419 */
1420 if (drv->operstate == 1 &&
1421 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
1422 !(ifi->ifi_flags & IFF_RUNNING)) {
1423 wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate");
1424 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
1425 -1, IF_OPER_UP);
1426 }
1427
1428 event_newlink:
1429 if (ifname[0])
1430 wpa_driver_nl80211_event_newlink(global, drv, ifi->ifi_index,
1431 ifname);
1432
1433 if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
1434 struct i802_bss *bss;
1435
1436 /* device has been added to bridge */
1437 if (!if_indextoname(brid, namebuf)) {
1438 wpa_printf(MSG_DEBUG,
1439 "nl80211: Could not find bridge ifname for ifindex %u",
1440 brid);
1441 return;
1442 }
1443 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1444 brid, namebuf);
1445 add_ifidx(drv, brid, ifi->ifi_index);
1446
1447 for (bss = drv->first_bss; bss; bss = bss->next) {
1448 if (os_strcmp(ifname, bss->ifname) == 0) {
1449 os_strlcpy(bss->brname, namebuf, IFNAMSIZ);
1450 break;
1451 }
1452 }
1453 }
1454 }
1455
1456
wpa_driver_nl80211_event_rtm_dellink(void * ctx,struct ifinfomsg * ifi,u8 * buf,size_t len)1457 static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1458 struct ifinfomsg *ifi,
1459 u8 *buf, size_t len)
1460 {
1461 struct nl80211_global *global = ctx;
1462 struct wpa_driver_nl80211_data *drv;
1463 int attrlen;
1464 struct rtattr *attr;
1465 u32 brid = 0;
1466 char ifname[IFNAMSIZ + 1];
1467 char extra[100], *pos, *end;
1468
1469 extra[0] = '\0';
1470 pos = extra;
1471 end = pos + sizeof(extra);
1472 ifname[0] = '\0';
1473
1474 attrlen = len;
1475 attr = (struct rtattr *) buf;
1476 while (RTA_OK(attr, attrlen)) {
1477 switch (attr->rta_type) {
1478 case IFLA_IFNAME:
1479 if (RTA_PAYLOAD(attr) > IFNAMSIZ)
1480 break;
1481 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1482 ifname[RTA_PAYLOAD(attr)] = '\0';
1483 break;
1484 case IFLA_MASTER:
1485 brid = nla_get_u32((struct nlattr *) attr);
1486 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1487 break;
1488 case IFLA_OPERSTATE:
1489 pos += os_snprintf(pos, end - pos, " operstate=%u",
1490 nla_get_u32((struct nlattr *) attr));
1491 break;
1492 case IFLA_LINKMODE:
1493 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1494 nla_get_u32((struct nlattr *) attr));
1495 break;
1496 }
1497 attr = RTA_NEXT(attr, attrlen);
1498 }
1499 extra[sizeof(extra) - 1] = '\0';
1500
1501 wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1502 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1503 ifi->ifi_flags,
1504 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1505 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1506 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1507 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
1508
1509 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len, NULL);
1510
1511 if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
1512 /* device has been removed from bridge */
1513 char namebuf[IFNAMSIZ];
1514
1515 if (!if_indextoname(brid, namebuf)) {
1516 wpa_printf(MSG_DEBUG,
1517 "nl80211: Could not find bridge ifname for ifindex %u",
1518 brid);
1519 } else {
1520 wpa_printf(MSG_DEBUG,
1521 "nl80211: Remove ifindex %u for bridge %s",
1522 brid, namebuf);
1523 }
1524 del_ifidx(drv, brid, ifi->ifi_index);
1525 }
1526
1527 if (ifi->ifi_family != AF_BRIDGE || !brid)
1528 wpa_driver_nl80211_event_dellink(global, drv, ifi->ifi_index,
1529 ifname);
1530 }
1531
1532
1533 struct nl80211_get_assoc_freq_arg {
1534 struct wpa_driver_nl80211_data *drv;
1535 unsigned int assoc_freq;
1536 unsigned int ibss_freq;
1537 u8 assoc_bssid[ETH_ALEN];
1538 u8 assoc_ssid[SSID_MAX_LEN];
1539 u8 assoc_ssid_len;
1540 u8 bssid[MAX_NUM_MLD_LINKS][ETH_ALEN];
1541 unsigned int freq[MAX_NUM_MLD_LINKS];
1542 };
1543
nl80211_get_assoc_freq_handler(struct nl_msg * msg,void * arg)1544 static int nl80211_get_assoc_freq_handler(struct nl_msg *msg, void *arg)
1545 {
1546 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1547 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1548 struct nlattr *bss[NL80211_BSS_MAX + 1];
1549 static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = {
1550 [NL80211_BSS_BSSID] = { .type = NLA_UNSPEC },
1551 [NL80211_BSS_FREQUENCY] = { .type = NLA_U32 },
1552 [NL80211_BSS_INFORMATION_ELEMENTS] = { .type = NLA_UNSPEC },
1553 [NL80211_BSS_STATUS] = { .type = NLA_U32 },
1554 [NL80211_BSS_MLO_LINK_ID] = { .type = NLA_U8 },
1555 };
1556 struct nl80211_get_assoc_freq_arg *ctx = arg;
1557 enum nl80211_bss_status status;
1558 struct wpa_driver_nl80211_data *drv = ctx->drv;
1559
1560 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1561 genlmsg_attrlen(gnlh, 0), NULL);
1562 if (!tb[NL80211_ATTR_BSS] ||
1563 nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS],
1564 bss_policy) ||
1565 !bss[NL80211_BSS_STATUS])
1566 return NL_SKIP;
1567
1568 status = nla_get_u32(bss[NL80211_BSS_STATUS]);
1569 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1570 bss[NL80211_BSS_FREQUENCY]) {
1571 int link_id = -1;
1572 u32 freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
1573
1574 if (bss[NL80211_BSS_MLO_LINK_ID])
1575 link_id = nla_get_u8(bss[NL80211_BSS_MLO_LINK_ID]);
1576
1577 if (link_id >= 0 && link_id < MAX_NUM_MLD_LINKS) {
1578 ctx->freq[link_id] = freq;
1579 wpa_printf(MSG_DEBUG,
1580 "nl80211: MLO link %d associated on %u MHz",
1581 link_id, ctx->freq[link_id]);
1582 }
1583
1584 if (!drv->sta_mlo_info.valid_links ||
1585 drv->sta_mlo_info.assoc_link_id == link_id) {
1586 ctx->assoc_freq = freq;
1587 wpa_printf(MSG_DEBUG, "nl80211: Associated on %u MHz",
1588 ctx->assoc_freq);
1589 }
1590 }
1591 if (status == NL80211_BSS_STATUS_IBSS_JOINED &&
1592 bss[NL80211_BSS_FREQUENCY]) {
1593 ctx->ibss_freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
1594 wpa_printf(MSG_DEBUG, "nl80211: IBSS-joined on %u MHz",
1595 ctx->ibss_freq);
1596 }
1597 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1598 bss[NL80211_BSS_BSSID]) {
1599 int link_id = -1;
1600 const u8 *bssid = nla_data(bss[NL80211_BSS_BSSID]);
1601
1602 if (bss[NL80211_BSS_MLO_LINK_ID])
1603 link_id = nla_get_u8(bss[NL80211_BSS_MLO_LINK_ID]);
1604
1605 if (link_id >= 0 && link_id < MAX_NUM_MLD_LINKS) {
1606 os_memcpy(ctx->bssid[link_id], bssid, ETH_ALEN);
1607 wpa_printf(MSG_DEBUG,
1608 "nl80211: MLO link %d associated with "
1609 MACSTR, link_id, MAC2STR(bssid));
1610 }
1611
1612 if (!drv->sta_mlo_info.valid_links ||
1613 drv->sta_mlo_info.assoc_link_id == link_id) {
1614 os_memcpy(ctx->assoc_bssid, bssid, ETH_ALEN);
1615 wpa_printf(MSG_DEBUG, "nl80211: Associated with "
1616 MACSTR, MAC2STR(bssid));
1617 }
1618
1619 }
1620
1621 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1622 bss[NL80211_BSS_INFORMATION_ELEMENTS]) {
1623 const u8 *ie, *ssid;
1624 size_t ie_len;
1625
1626 ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
1627 ie_len = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
1628 ssid = get_ie(ie, ie_len, WLAN_EID_SSID);
1629 if (ssid && ssid[1] > 0 && ssid[1] <= SSID_MAX_LEN) {
1630 ctx->assoc_ssid_len = ssid[1];
1631 os_memcpy(ctx->assoc_ssid, ssid + 2, ssid[1]);
1632 }
1633 }
1634
1635 return NL_SKIP;
1636 }
1637
1638
nl80211_get_assoc_ssid(struct wpa_driver_nl80211_data * drv,u8 * ssid)1639 int nl80211_get_assoc_ssid(struct wpa_driver_nl80211_data *drv, u8 *ssid)
1640 {
1641 struct nl_msg *msg;
1642 int ret;
1643 struct nl80211_get_assoc_freq_arg arg;
1644 int count = 0;
1645
1646 try_again:
1647 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
1648 os_memset(&arg, 0, sizeof(arg));
1649 arg.drv = drv;
1650 ret = send_and_recv_resp(drv, msg, nl80211_get_assoc_freq_handler,
1651 &arg);
1652 if (ret == -EAGAIN) {
1653 count++;
1654 if (count >= 10) {
1655 wpa_printf(MSG_INFO,
1656 "nl80211: Failed to receive consistent scan result dump for get_assoc_ssid");
1657 } else {
1658 wpa_printf(MSG_DEBUG,
1659 "nl80211: Failed to receive consistent scan result dump for get_assoc_ssid - try again");
1660 goto try_again;
1661 }
1662 }
1663 if (ret == 0) {
1664 os_memcpy(ssid, arg.assoc_ssid, arg.assoc_ssid_len);
1665 return arg.assoc_ssid_len;
1666 }
1667 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d (%s)",
1668 ret, strerror(-ret));
1669 return ret;
1670 }
1671
1672
nl80211_get_assoc_freq(struct wpa_driver_nl80211_data * drv)1673 unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
1674 {
1675 struct nl_msg *msg;
1676 int ret;
1677 struct nl80211_get_assoc_freq_arg arg;
1678 int count = 0;
1679
1680 try_again:
1681 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
1682 os_memset(&arg, 0, sizeof(arg));
1683 arg.drv = drv;
1684 ret = send_and_recv_resp(drv, msg, nl80211_get_assoc_freq_handler,
1685 &arg);
1686 if (ret == -EAGAIN) {
1687 count++;
1688 if (count >= 10) {
1689 wpa_printf(MSG_INFO,
1690 "nl80211: Failed to receive consistent scan result dump for get_assoc_freq");
1691 } else {
1692 wpa_printf(MSG_DEBUG,
1693 "nl80211: Failed to receive consistent scan result dump for get_assoc_freq - try again");
1694 goto try_again;
1695 }
1696 }
1697 if (ret == 0) {
1698 unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ?
1699 arg.ibss_freq : arg.assoc_freq;
1700 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
1701 "associated BSS from scan results: %u MHz", freq);
1702 if (freq)
1703 drv->assoc_freq = freq;
1704
1705 if (drv->sta_mlo_info.valid_links) {
1706 int i;
1707
1708 for (i = 0; i < MAX_NUM_MLD_LINKS; i++)
1709 drv->sta_mlo_info.links[i].freq = arg.freq[i];
1710 }
1711
1712 return drv->assoc_freq;
1713 }
1714 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1715 "(%s)", ret, strerror(-ret));
1716 return drv->assoc_freq;
1717 }
1718
1719
get_link_noise(struct nl_msg * msg,void * arg)1720 static int get_link_noise(struct nl_msg *msg, void *arg)
1721 {
1722 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1723 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1724 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
1725 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
1726 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
1727 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
1728 };
1729 struct wpa_signal_info *sig_change = arg;
1730
1731 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1732 genlmsg_attrlen(gnlh, 0), NULL);
1733
1734 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
1735 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
1736 return NL_SKIP;
1737 }
1738
1739 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
1740 tb[NL80211_ATTR_SURVEY_INFO],
1741 survey_policy)) {
1742 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
1743 "attributes!");
1744 return NL_SKIP;
1745 }
1746
1747 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
1748 return NL_SKIP;
1749
1750 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
1751 sig_change->frequency)
1752 return NL_SKIP;
1753
1754 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
1755 return NL_SKIP;
1756
1757 sig_change->current_noise =
1758 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
1759
1760 return NL_SKIP;
1761 }
1762
1763
nl80211_get_link_noise(struct wpa_driver_nl80211_data * drv,struct wpa_signal_info * sig_change)1764 int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1765 struct wpa_signal_info *sig_change)
1766 {
1767 struct nl_msg *msg;
1768
1769 sig_change->current_noise = WPA_INVALID_NOISE;
1770 sig_change->frequency = drv->assoc_freq;
1771
1772 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
1773 return send_and_recv_resp(drv, msg, get_link_noise, sig_change);
1774 }
1775
1776
get_channel_info(struct nl_msg * msg,void * arg)1777 static int get_channel_info(struct nl_msg *msg, void *arg)
1778 {
1779 struct nlattr *tb[NL80211_ATTR_MAX + 1] = { 0 };
1780 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1781 struct wpa_channel_info *chan_info = arg;
1782
1783 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1784 genlmsg_attrlen(gnlh, 0), NULL);
1785
1786 os_memset(chan_info, 0, sizeof(struct wpa_channel_info));
1787 chan_info->chanwidth = CHAN_WIDTH_UNKNOWN;
1788
1789 if (tb[NL80211_ATTR_WIPHY_FREQ])
1790 chan_info->frequency =
1791 nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1792 if (tb[NL80211_ATTR_CHANNEL_WIDTH])
1793 chan_info->chanwidth = convert2width(
1794 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
1795 if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1796 enum nl80211_channel_type ct =
1797 nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1798
1799 switch (ct) {
1800 case NL80211_CHAN_HT40MINUS:
1801 chan_info->sec_channel = -1;
1802 break;
1803 case NL80211_CHAN_HT40PLUS:
1804 chan_info->sec_channel = 1;
1805 break;
1806 default:
1807 chan_info->sec_channel = 0;
1808 break;
1809 }
1810 }
1811 if (tb[NL80211_ATTR_CENTER_FREQ1])
1812 chan_info->center_frq1 =
1813 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
1814 if (tb[NL80211_ATTR_CENTER_FREQ2])
1815 chan_info->center_frq2 =
1816 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
1817
1818 if (chan_info->center_frq2) {
1819 u8 seg1_idx = 0;
1820
1821 if (ieee80211_freq_to_chan(chan_info->center_frq2, &seg1_idx) !=
1822 NUM_HOSTAPD_MODES)
1823 chan_info->seg1_idx = seg1_idx;
1824 }
1825
1826 return NL_SKIP;
1827 }
1828
1829
nl80211_channel_info(void * priv,struct wpa_channel_info * ci)1830 static int nl80211_channel_info(void *priv, struct wpa_channel_info *ci)
1831 {
1832 struct i802_bss *bss = priv;
1833 struct wpa_driver_nl80211_data *drv = bss->drv;
1834 struct nl_msg *msg;
1835
1836 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
1837 return send_and_recv_resp(drv, msg, get_channel_info, ci);
1838 }
1839
1840
wpa_driver_nl80211_event_receive(int sock,void * eloop_ctx,void * handle)1841 static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
1842 void *handle)
1843 {
1844 struct nl_cb *cb = eloop_ctx;
1845 int res;
1846
1847 wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
1848
1849 res = nl_recvmsgs(handle, cb);
1850 if (res < 0) {
1851 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
1852 __func__, res);
1853 }
1854 }
1855
1856
1857 /**
1858 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
1859 * @priv: driver_nl80211 private data
1860 * @alpha2_arg: country to which to switch to
1861 * Returns: 0 on success, -1 on failure
1862 *
1863 * This asks nl80211 to set the regulatory domain for given
1864 * country ISO / IEC alpha2.
1865 */
wpa_driver_nl80211_set_country(void * priv,const char * alpha2_arg)1866 static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
1867 {
1868 struct i802_bss *bss = priv;
1869 struct wpa_driver_nl80211_data *drv = bss->drv;
1870 char alpha2[3];
1871 struct nl_msg *msg;
1872
1873 msg = nlmsg_alloc();
1874 if (!msg)
1875 return -ENOMEM;
1876
1877 alpha2[0] = alpha2_arg[0];
1878 alpha2[1] = alpha2_arg[1];
1879 alpha2[2] = '\0';
1880
1881 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG) ||
1882 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, alpha2)) {
1883 nlmsg_free(msg);
1884 return -EINVAL;
1885 }
1886 if (send_and_recv_cmd(drv, msg))
1887 return -EINVAL;
1888 return 0;
1889 }
1890
1891
nl80211_get_country(struct nl_msg * msg,void * arg)1892 static int nl80211_get_country(struct nl_msg *msg, void *arg)
1893 {
1894 char *alpha2 = arg;
1895 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1896 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1897
1898 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1899 genlmsg_attrlen(gnlh, 0), NULL);
1900 if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) {
1901 wpa_printf(MSG_DEBUG, "nl80211: No country information available");
1902 return NL_SKIP;
1903 }
1904 os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3);
1905 return NL_SKIP;
1906 }
1907
1908
wpa_driver_nl80211_get_country(void * priv,char * alpha2)1909 static int wpa_driver_nl80211_get_country(void *priv, char *alpha2)
1910 {
1911 struct i802_bss *bss = priv;
1912 struct wpa_driver_nl80211_data *drv = bss->drv;
1913 struct nl_msg *msg;
1914 int ret;
1915
1916 msg = nlmsg_alloc();
1917 if (!msg)
1918 return -ENOMEM;
1919
1920 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1921
1922 if (drv->capa.flags & WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY) {
1923 /* put wiphy idx to get the interface specific country code
1924 * instead of the global one. */
1925 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx)) {
1926 nlmsg_free(msg);
1927 return -1;
1928 }
1929 }
1930
1931 alpha2[0] = '\0';
1932 ret = send_and_recv_resp(drv, msg, nl80211_get_country, alpha2);
1933 if (!alpha2[0])
1934 ret = -1;
1935
1936 return ret;
1937 }
1938
1939
wpa_driver_nl80211_init_nl_global(struct nl80211_global * global)1940 static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
1941 {
1942 struct nl_cache *cache = NULL;
1943 struct genl_family *family = NULL;
1944 int ret;
1945
1946 global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1947 if (global->nl_cb == NULL) {
1948 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
1949 "callbacks");
1950 return -1;
1951 }
1952
1953 global->nl = nl_create_handle(global->nl_cb, "nl");
1954 if (global->nl == NULL)
1955 goto err;
1956
1957 global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
1958 if (global->nl80211_id < 0) {
1959 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
1960 "found");
1961 goto err;
1962 }
1963
1964 global->nlctrl_id = genl_ctrl_resolve(global->nl, "nlctrl");
1965 if (global->nlctrl_id < 0) {
1966 wpa_printf(MSG_ERROR,
1967 "nl80211: 'nlctrl' generic netlink not found");
1968 goto err;
1969 }
1970
1971 global->nl_event = nl_create_handle(global->nl_cb, "event");
1972 if (global->nl_event == NULL)
1973 goto err;
1974
1975 ret = nl_get_multicast_id(global, "nl80211", "scan");
1976 if (ret >= 0)
1977 ret = nl_socket_add_membership(global->nl_event, ret);
1978 if (ret < 0) {
1979 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1980 "membership for scan events: %d (%s)",
1981 ret, nl_geterror(ret));
1982 goto err;
1983 }
1984
1985 ret = nl_get_multicast_id(global, "nl80211", "mlme");
1986 if (ret >= 0)
1987 ret = nl_socket_add_membership(global->nl_event, ret);
1988 if (ret < 0) {
1989 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1990 "membership for mlme events: %d (%s)",
1991 ret, nl_geterror(ret));
1992 goto err;
1993 }
1994
1995 ret = nl_get_multicast_id(global, "nl80211", "regulatory");
1996 if (ret >= 0)
1997 ret = nl_socket_add_membership(global->nl_event, ret);
1998 if (ret < 0) {
1999 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
2000 "membership for regulatory events: %d (%s)",
2001 ret, nl_geterror(ret));
2002 /* Continue without regulatory events */
2003 }
2004
2005 ret = nl_get_multicast_id(global, "nl80211", "vendor");
2006 if (ret >= 0)
2007 ret = nl_socket_add_membership(global->nl_event, ret);
2008 if (ret < 0) {
2009 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
2010 "membership for vendor events: %d (%s)",
2011 ret, nl_geterror(ret));
2012 /* Continue without vendor events */
2013 }
2014
2015 /* Resolve maxattr for kernel support checks */
2016 ret = genl_ctrl_alloc_cache(global->nl, &cache);
2017 if (ret < 0) {
2018 wpa_printf(MSG_DEBUG,
2019 "nl80211: Could not allocate genl cache: %d (%s)",
2020 ret, nl_geterror(ret));
2021 goto err;
2022 }
2023
2024 family = genl_ctrl_search(cache, global->nl80211_id);
2025 if (!family) {
2026 wpa_printf(MSG_DEBUG,
2027 "nl80211: Could not get nl80211 family from cache: %d (%s)",
2028 ret, nl_geterror(ret));
2029 goto err;
2030 }
2031
2032 global->nl80211_maxattr = genl_family_get_maxattr(family);
2033 wpa_printf(MSG_DEBUG, "nl80211: Maximum supported attribute ID: %u",
2034 global->nl80211_maxattr);
2035 genl_family_put(family);
2036 nl_cache_free(cache);
2037
2038 nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
2039 no_seq_check, NULL);
2040 nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
2041 process_global_event, global);
2042
2043 nl80211_register_eloop_read(&global->nl_event,
2044 wpa_driver_nl80211_event_receive,
2045 global->nl_cb, 0);
2046
2047 return 0;
2048
2049 err:
2050 genl_family_put(family);
2051 nl_cache_free(cache);
2052 nl_destroy_handles(&global->nl_event);
2053 nl_destroy_handles(&global->nl);
2054 nl_cb_put(global->nl_cb);
2055 global->nl_cb = NULL;
2056 return -1;
2057 }
2058
2059
nl80211_check_global(struct nl80211_global * global)2060 static void nl80211_check_global(struct nl80211_global *global)
2061 {
2062 struct nl_sock *handle;
2063 const char *groups[] = { "scan", "mlme", "regulatory", "vendor", NULL };
2064 int ret;
2065 unsigned int i;
2066
2067 /*
2068 * Try to re-add memberships to handle case of cfg80211 getting reloaded
2069 * and all registration having been cleared.
2070 */
2071 handle = (void *) (((intptr_t) global->nl_event) ^
2072 ELOOP_SOCKET_INVALID);
2073
2074 for (i = 0; groups[i]; i++) {
2075 ret = nl_get_multicast_id(global, "nl80211", groups[i]);
2076 if (ret >= 0)
2077 ret = nl_socket_add_membership(handle, ret);
2078 if (ret < 0) {
2079 wpa_printf(MSG_INFO,
2080 "nl80211: Could not re-add multicast membership for %s events: %d (%s)",
2081 groups[i], ret, nl_geterror(ret));
2082 }
2083 }
2084 }
2085
2086
wpa_driver_nl80211_rfkill_blocked(void * ctx)2087 static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
2088 {
2089 struct wpa_driver_nl80211_data *drv = ctx;
2090
2091 wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
2092
2093 /*
2094 * rtnetlink ifdown handler will report interfaces other than the P2P
2095 * Device interface as disabled.
2096 */
2097 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
2098 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_DISABLED, NULL);
2099 }
2100
2101
wpa_driver_nl80211_rfkill_unblocked(void * ctx)2102 static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
2103 {
2104 struct wpa_driver_nl80211_data *drv = ctx;
2105 wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
2106 if (i802_set_iface_flags(drv->first_bss, 1)) {
2107 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
2108 "after rfkill unblock");
2109 return;
2110 }
2111
2112 if (is_p2p_net_interface(drv->nlmode))
2113 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
2114
2115 /*
2116 * rtnetlink ifup handler will report interfaces other than the P2P
2117 * Device interface as enabled.
2118 */
2119 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
2120 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, NULL);
2121 }
2122
2123
wpa_driver_nl80211_handle_eapol_tx_status(int sock,void * eloop_ctx,void * handle)2124 static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
2125 void *eloop_ctx,
2126 void *handle)
2127 {
2128 struct wpa_driver_nl80211_data *drv = eloop_ctx;
2129 u8 data[2048];
2130 struct msghdr msg;
2131 struct iovec entry;
2132 u8 control[512];
2133 struct cmsghdr *cmsg;
2134 int res, found_ee = 0, found_wifi = 0, acked = 0;
2135 union wpa_event_data event;
2136
2137 memset(&msg, 0, sizeof(msg));
2138 msg.msg_iov = &entry;
2139 msg.msg_iovlen = 1;
2140 entry.iov_base = data;
2141 entry.iov_len = sizeof(data);
2142 msg.msg_control = &control;
2143 msg.msg_controllen = sizeof(control);
2144
2145 res = recvmsg(sock, &msg, MSG_ERRQUEUE);
2146 /* if error or not fitting 802.3 header, return */
2147 if (res < 14)
2148 return;
2149
2150 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
2151 {
2152 if (cmsg->cmsg_level == SOL_SOCKET &&
2153 cmsg->cmsg_type == SCM_WIFI_STATUS) {
2154 int *ack;
2155
2156 found_wifi = 1;
2157 ack = (void *)CMSG_DATA(cmsg);
2158 acked = *ack;
2159 }
2160
2161 if (cmsg->cmsg_level == SOL_PACKET &&
2162 cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
2163 struct sock_extended_err *err =
2164 (struct sock_extended_err *)CMSG_DATA(cmsg);
2165
2166 if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
2167 found_ee = 1;
2168 }
2169 }
2170
2171 if (!found_ee || !found_wifi)
2172 return;
2173
2174 memset(&event, 0, sizeof(event));
2175 event.eapol_tx_status.dst = data;
2176 event.eapol_tx_status.data = data + 14;
2177 event.eapol_tx_status.data_len = res - 14;
2178 event.eapol_tx_status.ack = acked;
2179 wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
2180 }
2181
2182
nl80211_init_connect_handle(struct i802_bss * bss)2183 static int nl80211_init_connect_handle(struct i802_bss *bss)
2184 {
2185 if (bss->nl_connect) {
2186 wpa_printf(MSG_DEBUG,
2187 "nl80211: Connect handle already created (nl_connect=%p)",
2188 bss->nl_connect);
2189 return -1;
2190 }
2191
2192 bss->nl_connect = nl_create_handle(bss->nl_cb, "connect");
2193 if (!bss->nl_connect)
2194 return -1;
2195 nl80211_register_eloop_read(&bss->nl_connect,
2196 wpa_driver_nl80211_event_receive,
2197 bss->nl_cb, 1);
2198 return 0;
2199 }
2200
2201
nl80211_init_bss(struct i802_bss * bss)2202 static int nl80211_init_bss(struct i802_bss *bss)
2203 {
2204 bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
2205 if (!bss->nl_cb)
2206 return -1;
2207
2208 nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
2209 no_seq_check, NULL);
2210 nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
2211 process_bss_event, bss);
2212
2213 nl80211_init_connect_handle(bss);
2214
2215 return 0;
2216 }
2217
2218
nl80211_destroy_bss(struct i802_bss * bss)2219 static void nl80211_destroy_bss(struct i802_bss *bss)
2220 {
2221 nl_cb_put(bss->nl_cb);
2222 bss->nl_cb = NULL;
2223
2224 if (bss->nl_connect)
2225 nl80211_destroy_eloop_handle(&bss->nl_connect, 1);
2226 }
2227
2228
2229 static void
wpa_driver_nl80211_drv_init_rfkill(struct wpa_driver_nl80211_data * drv)2230 wpa_driver_nl80211_drv_init_rfkill(struct wpa_driver_nl80211_data *drv)
2231 {
2232 struct rfkill_config *rcfg;
2233
2234 if (drv->rfkill)
2235 return;
2236
2237 rcfg = os_zalloc(sizeof(*rcfg));
2238 if (!rcfg)
2239 return;
2240
2241 rcfg->ctx = drv;
2242
2243 /* rfkill uses netdev sysfs for initialization. However, P2P Device is
2244 * not associated with a netdev, so use the name of some other interface
2245 * sharing the same wiphy as the P2P Device interface.
2246 *
2247 * Note: This is valid, as a P2P Device interface is always dynamically
2248 * created and is created only once another wpa_s interface was added.
2249 */
2250 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) {
2251 struct nl80211_global *global = drv->global;
2252 struct wpa_driver_nl80211_data *tmp1;
2253
2254 dl_list_for_each(tmp1, &global->interfaces,
2255 struct wpa_driver_nl80211_data, list) {
2256 if (drv == tmp1 || drv->wiphy_idx != tmp1->wiphy_idx ||
2257 !tmp1->rfkill)
2258 continue;
2259
2260 wpa_printf(MSG_DEBUG,
2261 "nl80211: Use (%s) to initialize P2P Device rfkill",
2262 tmp1->first_bss->ifname);
2263 os_strlcpy(rcfg->ifname, tmp1->first_bss->ifname,
2264 sizeof(rcfg->ifname));
2265 break;
2266 }
2267 } else {
2268 os_strlcpy(rcfg->ifname, drv->first_bss->ifname,
2269 sizeof(rcfg->ifname));
2270 }
2271
2272 rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
2273 rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
2274 drv->rfkill = rfkill_init(rcfg);
2275 if (!drv->rfkill) {
2276 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
2277 os_free(rcfg);
2278 }
2279 }
2280
2281
wpa_driver_nl80211_drv_init(void * ctx,const char * ifname,void * global_priv,int hostapd,const u8 * set_addr,const char * driver_params)2282 static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname,
2283 void *global_priv, int hostapd,
2284 const u8 *set_addr,
2285 const char *driver_params)
2286 {
2287 struct wpa_driver_nl80211_data *drv;
2288 struct i802_bss *bss;
2289 char path[128], buf[200], *pos;
2290 ssize_t len;
2291 int ret;
2292
2293 ret = os_snprintf(path, sizeof(path), "/sys/class/net/%s/device/driver",
2294 ifname);
2295 if (!os_snprintf_error(sizeof(path), ret)) {
2296 len = readlink(path, buf, sizeof(buf));
2297 if (len > 0 && (size_t) len < sizeof(buf)) {
2298 buf[len] = '\0';
2299 pos = strrchr(buf, '/');
2300 if (pos)
2301 pos++;
2302 else
2303 pos = buf;
2304 wpa_printf(MSG_DEBUG,
2305 "nl80211: Initialize interface %s (driver: %s)",
2306 ifname, pos);
2307 }
2308 }
2309
2310 if (global_priv == NULL)
2311 return NULL;
2312 drv = os_zalloc(sizeof(*drv));
2313 if (drv == NULL)
2314 return NULL;
2315 drv->global = global_priv;
2316 drv->ctx = ctx;
2317 drv->hostapd = !!hostapd;
2318 drv->eapol_sock = -1;
2319
2320 /*
2321 * There is no driver capability flag for this, so assume it is
2322 * supported and disable this on first attempt to use if the driver
2323 * rejects the command due to missing support.
2324 */
2325 drv->set_rekey_offload = 1;
2326
2327 drv->num_if_indices = ARRAY_SIZE(drv->default_if_indices);
2328 drv->if_indices = drv->default_if_indices;
2329
2330 drv->first_bss = os_zalloc(sizeof(*drv->first_bss));
2331 if (!drv->first_bss) {
2332 os_free(drv);
2333 return NULL;
2334 }
2335 bss = drv->first_bss;
2336 bss->drv = drv;
2337 bss->ctx = ctx;
2338
2339 os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
2340 drv->monitor_ifidx = -1;
2341 drv->monitor_sock = -1;
2342 drv->eapol_tx_sock = -1;
2343 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
2344
2345 if (nl80211_init_bss(bss))
2346 goto failed;
2347
2348 if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1, driver_params))
2349 goto failed;
2350
2351 if (drv->capa.flags2 & WPA_DRIVER_FLAGS2_CONTROL_PORT_TX_STATUS) {
2352 drv->control_port_ap = 1;
2353 goto skip_wifi_status;
2354 }
2355
2356 drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
2357 if (drv->eapol_tx_sock < 0)
2358 goto failed;
2359
2360 if (drv->data_tx_status) {
2361 int enabled = 1;
2362
2363 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
2364 &enabled, sizeof(enabled)) < 0) {
2365 wpa_printf(MSG_DEBUG,
2366 "nl80211: wifi status sockopt failed: %s",
2367 strerror(errno));
2368 drv->data_tx_status = 0;
2369 if (!drv->use_monitor)
2370 drv->capa.flags &=
2371 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
2372 } else {
2373 eloop_register_read_sock(
2374 drv->eapol_tx_sock,
2375 wpa_driver_nl80211_handle_eapol_tx_status,
2376 drv, NULL);
2377 }
2378 }
2379 skip_wifi_status:
2380
2381 if (drv->global) {
2382 nl80211_check_global(drv->global);
2383 dl_list_add(&drv->global->interfaces, &drv->list);
2384 drv->in_interface_list = 1;
2385 }
2386
2387 /*
2388 * Use link ID 0 for the single "link" of a non-MLD.
2389 */
2390 bss->valid_links = 0;
2391 bss->flink = &bss->links[0];
2392 os_memcpy(bss->flink->addr, bss->addr, ETH_ALEN);
2393
2394 return bss;
2395
2396 failed:
2397 wpa_driver_nl80211_deinit(bss);
2398 return NULL;
2399 }
2400
2401
2402 /**
2403 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
2404 * @ctx: context to be used when calling wpa_supplicant functions,
2405 * e.g., wpa_supplicant_event()
2406 * @ifname: interface name, e.g., wlan0
2407 * @global_priv: private driver global data from global_init()
2408 * Returns: Pointer to private data, %NULL on failure
2409 */
wpa_driver_nl80211_init(void * ctx,const char * ifname,void * global_priv)2410 static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
2411 void *global_priv)
2412 {
2413 return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL,
2414 NULL);
2415 }
2416
2417
nl80211_register_frame(struct i802_bss * bss,struct nl_sock * nl_handle,u16 type,const u8 * match,size_t match_len,bool multicast)2418 static int nl80211_register_frame(struct i802_bss *bss,
2419 struct nl_sock *nl_handle,
2420 u16 type, const u8 *match, size_t match_len,
2421 bool multicast)
2422 {
2423 struct wpa_driver_nl80211_data *drv = bss->drv;
2424 struct nl_msg *msg;
2425 int ret;
2426 char buf[30];
2427
2428 buf[0] = '\0';
2429 wpa_snprintf_hex(buf, sizeof(buf), match, match_len);
2430 wpa_printf(MSG_DEBUG,
2431 "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s multicast=%d",
2432 type, fc2str(type), nl_handle, buf, multicast);
2433
2434 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REGISTER_FRAME)) ||
2435 (multicast && nla_put_flag(msg, NL80211_ATTR_RECEIVE_MULTICAST)) ||
2436 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, type) ||
2437 nla_put(msg, NL80211_ATTR_FRAME_MATCH, match_len, match)) {
2438 nlmsg_free(msg);
2439 return -1;
2440 }
2441
2442 ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL,
2443 NULL, NULL, NULL);
2444 if (ret) {
2445 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
2446 "failed (type=%u): ret=%d (%s)",
2447 type, ret, strerror(-ret));
2448 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
2449 match, match_len);
2450 }
2451 return ret;
2452 }
2453
2454
nl80211_alloc_mgmt_handle(struct i802_bss * bss)2455 static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
2456 {
2457 if (bss->nl_mgmt) {
2458 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
2459 "already on! (nl_mgmt=%p)", bss->nl_mgmt);
2460 return -1;
2461 }
2462
2463 bss->nl_mgmt = nl_create_handle(bss->nl_cb, "mgmt");
2464 if (bss->nl_mgmt == NULL)
2465 return -1;
2466
2467 return 0;
2468 }
2469
2470
nl80211_mgmt_handle_register_eloop(struct i802_bss * bss)2471 static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss)
2472 {
2473 nl80211_register_eloop_read(&bss->nl_mgmt,
2474 wpa_driver_nl80211_event_receive,
2475 bss->nl_cb, 0);
2476 }
2477
2478
nl80211_register_action_frame2(struct i802_bss * bss,const u8 * match,size_t match_len,bool multicast)2479 static int nl80211_register_action_frame2(struct i802_bss *bss,
2480 const u8 *match, size_t match_len,
2481 bool multicast)
2482 {
2483 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
2484 return nl80211_register_frame(bss, bss->nl_mgmt,
2485 type, match, match_len, multicast);
2486 }
2487
2488
nl80211_register_action_frame(struct i802_bss * bss,const u8 * match,size_t match_len)2489 static int nl80211_register_action_frame(struct i802_bss *bss,
2490 const u8 *match, size_t match_len)
2491 {
2492 return nl80211_register_action_frame2(bss, match, match_len, false);
2493 }
2494
2495
nl80211_mgmt_subscribe_non_ap(struct i802_bss * bss)2496 static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
2497 {
2498 struct wpa_driver_nl80211_data *drv = bss->drv;
2499 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
2500 int ret = 0;
2501
2502 if (nl80211_alloc_mgmt_handle(bss))
2503 return -1;
2504 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
2505 "handle %p", bss->nl_mgmt);
2506
2507 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
2508 /* register for any AUTH message */
2509 nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0, false);
2510 } else if ((drv->capa.flags & WPA_DRIVER_FLAGS_SAE) &&
2511 !(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
2512 /* register for SAE Authentication frames */
2513 nl80211_register_frame(bss, bss->nl_mgmt, type,
2514 (u8 *) "\x03\x00", 2, false);
2515 }
2516
2517 #ifdef CONFIG_PASN
2518 /* register for PASN Authentication frames */
2519 if (nl80211_register_frame(bss, bss->nl_mgmt, type,
2520 (u8 *) "\x07\x00", 2, false))
2521 ret = -1;
2522 #endif /* CONFIG_PASN */
2523
2524 #ifdef CONFIG_INTERWORKING
2525 /* QoS Map Configure */
2526 if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0)
2527 ret = -1;
2528 #endif /* CONFIG_INTERWORKING */
2529 #if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING) || defined(CONFIG_DPP)
2530 /* GAS Initial Request */
2531 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
2532 ret = -1;
2533 /* GAS Initial Response */
2534 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
2535 ret = -1;
2536 /* GAS Comeback Request */
2537 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
2538 ret = -1;
2539 /* GAS Comeback Response */
2540 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
2541 ret = -1;
2542 /* Protected GAS Initial Request */
2543 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0)
2544 ret = -1;
2545 /* Protected GAS Initial Response */
2546 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0)
2547 ret = -1;
2548 /* Protected GAS Comeback Request */
2549 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0)
2550 ret = -1;
2551 /* Protected GAS Comeback Response */
2552 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0)
2553 ret = -1;
2554 #endif /* CONFIG_P2P || CONFIG_INTERWORKING || CONFIG_DPP */
2555 #ifdef CONFIG_P2P
2556 /* P2P Public Action */
2557 if (nl80211_register_action_frame(bss,
2558 (u8 *) "\x04\x09\x50\x6f\x9a\x09",
2559 6) < 0)
2560 ret = -1;
2561 /* P2P Action */
2562 if (nl80211_register_action_frame(bss,
2563 (u8 *) "\x7f\x50\x6f\x9a\x09",
2564 5) < 0)
2565 ret = -1;
2566 #endif /* CONFIG_P2P */
2567 #ifdef CONFIG_NAN_USD
2568 #define NAN_PUB_ACTION ((u8 *) "\x04\x09\x50\x6f\x9a\x13")
2569 /* NAN SDF Public Action */
2570 if (nl80211_register_action_frame2(bss, NAN_PUB_ACTION, 6, true) < 0) {
2571 /* fallback to non-multicast */
2572 if (nl80211_register_action_frame2(bss, NAN_PUB_ACTION, 6,
2573 false) < 0)
2574 ret = -1;
2575 }
2576 #undef NAN_PUB_ACTION
2577 #endif /* CONFIG_NAN_USD */
2578 #ifdef CONFIG_DPP
2579 /* DPP Public Action */
2580 if (nl80211_register_action_frame(bss,
2581 (u8 *) "\x04\x09\x50\x6f\x9a\x1a",
2582 6) < 0)
2583 ret = -1;
2584 #endif /* CONFIG_DPP */
2585 #ifdef CONFIG_OCV
2586 /* SA Query Request */
2587 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x00", 2) < 0)
2588 ret = -1;
2589 #endif /* CONFIG_OCV */
2590 /* SA Query Response */
2591 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
2592 ret = -1;
2593 #ifdef CONFIG_TDLS
2594 if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
2595 /* TDLS Discovery Response */
2596 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
2597 0)
2598 ret = -1;
2599 }
2600 #endif /* CONFIG_TDLS */
2601 #ifdef CONFIG_FST
2602 /* FST Action frames */
2603 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
2604 ret = -1;
2605 #endif /* CONFIG_FST */
2606
2607 /* FT Action frames */
2608 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
2609 ret = -1;
2610 else if (!drv->has_driver_key_mgmt) {
2611 int i;
2612
2613 /* Update supported AKMs only if the driver doesn't advertize
2614 * any AKM capabilities. */
2615 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
2616 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
2617
2618 /* Update per interface supported AKMs */
2619 for (i = 0; i < WPA_IF_MAX; i++)
2620 drv->capa.key_mgmt_iftype[i] = drv->capa.key_mgmt;
2621 }
2622
2623 /* WNM - BSS Transition Management Request */
2624 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
2625 ret = -1;
2626 /* WNM-Sleep Mode Response */
2627 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
2628 ret = -1;
2629 #ifdef CONFIG_WNM
2630 /* WNM - Collocated Interference Request */
2631 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x0b", 2) < 0)
2632 ret = -1;
2633 #endif /* CONFIG_WNM */
2634
2635 #ifdef CONFIG_HS20
2636 /* WNM-Notification */
2637 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0)
2638 ret = -1;
2639 #endif /* CONFIG_HS20 */
2640
2641 /* WMM-AC ADDTS Response */
2642 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x01", 2) < 0)
2643 ret = -1;
2644
2645 /* WMM-AC DELTS */
2646 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x02", 2) < 0)
2647 ret = -1;
2648
2649 /* Radio Measurement - Neighbor Report Response */
2650 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x05", 2) < 0)
2651 ret = -1;
2652
2653 /* Radio Measurement - Radio Measurement Request */
2654 if (!drv->no_rrm &&
2655 nl80211_register_action_frame(bss, (u8 *) "\x05\x00", 2) < 0)
2656 ret = -1;
2657
2658 /* Radio Measurement - Link Measurement Request */
2659 if ((drv->capa.rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION) &&
2660 (nl80211_register_action_frame(bss, (u8 *) "\x05\x02", 2) < 0))
2661 ret = -1;
2662
2663 /* Robust AV SCS Response */
2664 if (nl80211_register_action_frame(bss, (u8 *) "\x13\x01", 2) < 0)
2665 ret = -1;
2666
2667 /* Robust AV MSCS Response */
2668 if (nl80211_register_action_frame(bss, (u8 *) "\x13\x05", 2) < 0)
2669 ret = -1;
2670
2671 /* Protected QoS Management Action frame */
2672 if (nl80211_register_action_frame(bss, (u8 *) "\x7e\x50\x6f\x9a\x1a",
2673 5) < 0)
2674 ret = -1;
2675
2676 nl80211_mgmt_handle_register_eloop(bss);
2677
2678 return ret;
2679 }
2680
2681
nl80211_mgmt_subscribe_mesh(struct i802_bss * bss)2682 static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss)
2683 {
2684 int ret = 0;
2685
2686 if (nl80211_alloc_mgmt_handle(bss))
2687 return -1;
2688
2689 wpa_printf(MSG_DEBUG,
2690 "nl80211: Subscribe to mgmt frames with mesh handle %p",
2691 bss->nl_mgmt);
2692
2693 /* Auth frames for mesh SAE */
2694 if (nl80211_register_frame(bss, bss->nl_mgmt,
2695 (WLAN_FC_TYPE_MGMT << 2) |
2696 (WLAN_FC_STYPE_AUTH << 4),
2697 NULL, 0, false) < 0)
2698 ret = -1;
2699
2700 /* Mesh peering open */
2701 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x01", 2) < 0)
2702 ret = -1;
2703 /* Mesh peering confirm */
2704 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x02", 2) < 0)
2705 ret = -1;
2706 /* Mesh peering close */
2707 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x03", 2) < 0)
2708 ret = -1;
2709
2710 nl80211_mgmt_handle_register_eloop(bss);
2711
2712 return ret;
2713 }
2714
2715
nl80211_register_spurious_class3(struct i802_bss * bss)2716 static int nl80211_register_spurious_class3(struct i802_bss *bss)
2717 {
2718 struct nl_msg *msg;
2719 int ret;
2720
2721 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UNEXPECTED_FRAME);
2722 ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL,
2723 NULL, NULL, NULL);
2724 if (ret) {
2725 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
2726 "failed: ret=%d (%s)",
2727 ret, strerror(-ret));
2728 }
2729 return ret;
2730 }
2731
2732
nl80211_action_subscribe_ap(struct i802_bss * bss)2733 static int nl80211_action_subscribe_ap(struct i802_bss *bss)
2734 {
2735 int ret = 0;
2736
2737 /* Public Action frames */
2738 if (nl80211_register_action_frame(bss, (u8 *) "\x04", 1) < 0)
2739 ret = -1;
2740 /* RRM Measurement Report */
2741 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x01", 2) < 0)
2742 ret = -1;
2743 /* RRM Link Measurement Report */
2744 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x03", 2) < 0)
2745 ret = -1;
2746 /* RRM Neighbor Report Request */
2747 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x04", 2) < 0)
2748 ret = -1;
2749 /* FT Action frames */
2750 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
2751 ret = -1;
2752 /* SA Query */
2753 if (nl80211_register_action_frame(bss, (u8 *) "\x08", 1) < 0)
2754 ret = -1;
2755 /* Protected Dual of Public Action */
2756 if (nl80211_register_action_frame(bss, (u8 *) "\x09", 1) < 0)
2757 ret = -1;
2758 /* WNM */
2759 if (nl80211_register_action_frame(bss, (u8 *) "\x0a", 1) < 0)
2760 ret = -1;
2761 /* WMM */
2762 if (nl80211_register_action_frame(bss, (u8 *) "\x11", 1) < 0)
2763 ret = -1;
2764 #ifdef CONFIG_FST
2765 /* FST Action frames */
2766 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
2767 ret = -1;
2768 #endif /* CONFIG_FST */
2769 /* Vendor-specific */
2770 if (nl80211_register_action_frame(bss, (u8 *) "\x7f", 1) < 0)
2771 ret = -1;
2772
2773 return ret;
2774 }
2775
2776
nl80211_mgmt_subscribe_ap(struct i802_bss * bss)2777 static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
2778 {
2779 static const int stypes[] = {
2780 WLAN_FC_STYPE_AUTH,
2781 WLAN_FC_STYPE_ASSOC_REQ,
2782 WLAN_FC_STYPE_REASSOC_REQ,
2783 WLAN_FC_STYPE_DISASSOC,
2784 WLAN_FC_STYPE_DEAUTH,
2785 WLAN_FC_STYPE_PROBE_REQ,
2786 /* Beacon doesn't work as mac80211 doesn't currently allow
2787 * it, but it wouldn't really be the right thing anyway as
2788 * it isn't per interface ... maybe just dump the scan
2789 * results periodically for OLBC?
2790 */
2791 /* WLAN_FC_STYPE_BEACON, */
2792 };
2793 unsigned int i;
2794
2795 if (nl80211_alloc_mgmt_handle(bss))
2796 return -1;
2797 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2798 "handle %p", bss->nl_mgmt);
2799
2800 for (i = 0; i < ARRAY_SIZE(stypes); i++) {
2801 if (nl80211_register_frame(bss, bss->nl_mgmt,
2802 (WLAN_FC_TYPE_MGMT << 2) |
2803 (stypes[i] << 4),
2804 NULL, 0, false) < 0) {
2805 goto out_err;
2806 }
2807 }
2808
2809 if (nl80211_action_subscribe_ap(bss))
2810 goto out_err;
2811
2812 if (nl80211_register_spurious_class3(bss))
2813 goto out_err;
2814
2815 nl80211_mgmt_handle_register_eloop(bss);
2816 return 0;
2817
2818 out_err:
2819 nl_destroy_handles(&bss->nl_mgmt);
2820 return -1;
2821 }
2822
2823
nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss * bss)2824 static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
2825 {
2826 if (nl80211_alloc_mgmt_handle(bss))
2827 return -1;
2828 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2829 "handle %p (device SME)", bss->nl_mgmt);
2830
2831 if (nl80211_action_subscribe_ap(bss))
2832 goto out_err;
2833
2834 if (bss->drv->device_ap_sme) {
2835 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
2836
2837 /* Register for all Authentication frames */
2838 if (nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0,
2839 false) < 0)
2840 wpa_printf(MSG_DEBUG,
2841 "nl80211: Failed to subscribe to handle Authentication frames - SAE offload may not work");
2842 }
2843
2844 nl80211_mgmt_handle_register_eloop(bss);
2845 return 0;
2846
2847 out_err:
2848 nl_destroy_handles(&bss->nl_mgmt);
2849 return -1;
2850 }
2851
2852
nl80211_mgmt_unsubscribe(struct i802_bss * bss,const char * reason)2853 static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
2854 {
2855 if (bss->nl_mgmt == NULL)
2856 return;
2857 wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
2858 "(%s)", bss->nl_mgmt, reason);
2859 nl80211_destroy_eloop_handle(&bss->nl_mgmt, 0);
2860
2861 nl80211_put_wiphy_data_ap(bss);
2862 }
2863
2864
wpa_driver_nl80211_send_rfkill(void * eloop_ctx,void * timeout_ctx)2865 static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
2866 {
2867 wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
2868 }
2869
2870
nl80211_del_p2pdev(struct i802_bss * bss)2871 static void nl80211_del_p2pdev(struct i802_bss *bss)
2872 {
2873 struct nl_msg *msg;
2874 int ret;
2875
2876 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_INTERFACE);
2877 ret = send_and_recv_cmd(bss->drv, msg);
2878
2879 wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
2880 bss->ifname, (long long unsigned int) bss->wdev_id,
2881 strerror(-ret));
2882 }
2883
2884
nl80211_set_p2pdev(struct i802_bss * bss,int start)2885 static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
2886 {
2887 struct nl_msg *msg;
2888 int ret;
2889
2890 msg = nl80211_cmd_msg(bss, 0, start ? NL80211_CMD_START_P2P_DEVICE :
2891 NL80211_CMD_STOP_P2P_DEVICE);
2892 ret = send_and_recv_cmd(bss->drv, msg);
2893
2894 wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
2895 start ? "Start" : "Stop",
2896 bss->ifname, (long long unsigned int) bss->wdev_id,
2897 strerror(-ret));
2898 return ret;
2899 }
2900
2901
i802_set_iface_flags(struct i802_bss * bss,int up)2902 static int i802_set_iface_flags(struct i802_bss *bss, int up)
2903 {
2904 enum nl80211_iftype nlmode;
2905
2906 nlmode = nl80211_get_ifmode(bss);
2907 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2908 return linux_set_iface_flags(bss->drv->global->ioctl_sock,
2909 bss->ifname, up);
2910 }
2911
2912 /* P2P Device has start/stop which is equivalent */
2913 return nl80211_set_p2pdev(bss, up);
2914 }
2915
2916
2917 #ifdef CONFIG_TESTING_OPTIONS
qca_vendor_test_cmd_handler(struct nl_msg * msg,void * arg)2918 static int qca_vendor_test_cmd_handler(struct nl_msg *msg, void *arg)
2919 {
2920 /* struct wpa_driver_nl80211_data *drv = arg; */
2921 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2922 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2923
2924
2925 wpa_printf(MSG_DEBUG,
2926 "nl80211: QCA vendor test command response received");
2927
2928 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2929 genlmsg_attrlen(gnlh, 0), NULL);
2930 if (!tb[NL80211_ATTR_VENDOR_DATA]) {
2931 wpa_printf(MSG_DEBUG, "nl80211: No vendor data attribute");
2932 return NL_SKIP;
2933 }
2934
2935 wpa_hexdump(MSG_DEBUG,
2936 "nl80211: Received QCA vendor test command response",
2937 nla_data(tb[NL80211_ATTR_VENDOR_DATA]),
2938 nla_len(tb[NL80211_ATTR_VENDOR_DATA]));
2939
2940 return NL_SKIP;
2941 }
2942 #endif /* CONFIG_TESTING_OPTIONS */
2943
2944
qca_vendor_test(struct wpa_driver_nl80211_data * drv)2945 static void qca_vendor_test(struct wpa_driver_nl80211_data *drv)
2946 {
2947 #ifdef CONFIG_TESTING_OPTIONS
2948 struct nl_msg *msg;
2949 struct nlattr *params;
2950 int ret;
2951
2952 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
2953 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2954 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2955 QCA_NL80211_VENDOR_SUBCMD_TEST) ||
2956 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
2957 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TEST, 123)) {
2958 nlmsg_free(msg);
2959 return;
2960 }
2961 nla_nest_end(msg, params);
2962
2963 ret = send_and_recv_resp(drv, msg, qca_vendor_test_cmd_handler, drv);
2964 wpa_printf(MSG_DEBUG,
2965 "nl80211: QCA vendor test command returned %d (%s)",
2966 ret, strerror(-ret));
2967 #endif /* CONFIG_TESTING_OPTIONS */
2968 }
2969
2970
2971 static int
wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data * drv,const u8 * set_addr,int first,const char * driver_params)2972 wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
2973 const u8 *set_addr, int first,
2974 const char *driver_params)
2975 {
2976 struct i802_bss *bss = drv->first_bss;
2977 int send_rfkill_event = 0;
2978 enum nl80211_iftype nlmode;
2979
2980 drv->ifindex = if_nametoindex(bss->ifname);
2981 bss->ifindex = drv->ifindex;
2982 bss->wdev_id = drv->global->if_add_wdevid;
2983 bss->wdev_id_set = drv->global->if_add_wdevid_set;
2984
2985 bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex;
2986 bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set;
2987 drv->global->if_add_wdevid_set = 0;
2988
2989 if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2990 bss->static_ap = 1;
2991
2992 if (first &&
2993 nl80211_get_ifmode(bss) != NL80211_IFTYPE_P2P_DEVICE &&
2994 linux_iface_up(drv->global->ioctl_sock, bss->ifname) > 0)
2995 drv->start_iface_up = 1;
2996
2997 if (wpa_driver_nl80211_capa(drv))
2998 return -1;
2999
3000 if (driver_params && nl80211_set_param(bss, driver_params) < 0)
3001 return -1;
3002
3003 wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
3004 bss->ifname, drv->phyname);
3005
3006 if (set_addr &&
3007 (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) ||
3008 linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
3009 set_addr)))
3010 return -1;
3011
3012 if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_STATION)
3013 drv->start_mode_sta = 1;
3014
3015 if (drv->hostapd || bss->static_ap)
3016 nlmode = NL80211_IFTYPE_AP;
3017 else if (bss->if_dynamic ||
3018 nl80211_get_ifmode(bss) == NL80211_IFTYPE_MESH_POINT)
3019 nlmode = nl80211_get_ifmode(bss);
3020 else
3021 nlmode = NL80211_IFTYPE_STATION;
3022
3023 if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
3024 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode");
3025 return -1;
3026 }
3027
3028 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
3029 nl80211_get_macaddr(bss);
3030
3031 wpa_driver_nl80211_drv_init_rfkill(drv);
3032
3033 if (!rfkill_is_blocked(drv->rfkill)) {
3034 int ret = i802_set_iface_flags(bss, 1);
3035 if (ret) {
3036 wpa_printf(MSG_ERROR, "nl80211: Could not set "
3037 "interface '%s' UP", bss->ifname);
3038 return ret;
3039 }
3040
3041 if (is_p2p_net_interface(nlmode))
3042 nl80211_disable_11b_rates(bss->drv,
3043 bss->drv->ifindex, 1);
3044
3045 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
3046 return ret;
3047 } else {
3048 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
3049 "interface '%s' due to rfkill", bss->ifname);
3050 if (nlmode != NL80211_IFTYPE_P2P_DEVICE)
3051 drv->if_disabled = 1;
3052
3053 send_rfkill_event = 1;
3054 }
3055
3056 if (!drv->hostapd && nlmode != NL80211_IFTYPE_P2P_DEVICE)
3057 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
3058 1, IF_OPER_DORMANT);
3059
3060 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
3061 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
3062 bss->addr))
3063 return -1;
3064 os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN);
3065 }
3066
3067 if (send_rfkill_event) {
3068 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
3069 drv, drv->ctx);
3070 }
3071
3072 if (drv->vendor_cmd_test_avail)
3073 qca_vendor_test(drv);
3074
3075 return 0;
3076 }
3077
3078
wpa_driver_nl80211_del_beacon(struct i802_bss * bss,int link_id)3079 static int wpa_driver_nl80211_del_beacon(struct i802_bss *bss,
3080 int link_id)
3081 {
3082 struct nl_msg *msg;
3083 struct wpa_driver_nl80211_data *drv = bss->drv;
3084 struct i802_link *link = nl80211_get_link(bss, link_id);
3085
3086 if (!link->beacon_set)
3087 return 0;
3088
3089 wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)",
3090 bss->ifindex);
3091 link->beacon_set = 0;
3092 link->freq = 0;
3093
3094 nl80211_put_wiphy_data_ap(bss);
3095 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_BEACON);
3096 if (!msg)
3097 return -ENOBUFS;
3098
3099 if (link_id != NL80211_DRV_LINK_ID_NA) {
3100 wpa_printf(MSG_DEBUG,
3101 "nl80211: MLD: stop beaconing on link=%u",
3102 link_id);
3103
3104 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)) {
3105 nlmsg_free(msg);
3106 return -ENOBUFS;
3107 }
3108 }
3109
3110 return send_and_recv_cmd(drv, msg);
3111 }
3112
3113
wpa_driver_nl80211_del_beacon_all(struct i802_bss * bss)3114 static void wpa_driver_nl80211_del_beacon_all(struct i802_bss *bss)
3115 {
3116 int link_id;
3117
3118 for_each_link_default(bss->valid_links, link_id, NL80211_DRV_LINK_ID_NA)
3119 wpa_driver_nl80211_del_beacon(bss, link_id);
3120 }
3121
3122
3123 /**
3124 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
3125 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
3126 *
3127 * Shut down driver interface and processing of driver events. Free
3128 * private data buffer if one was allocated in wpa_driver_nl80211_init().
3129 */
wpa_driver_nl80211_deinit(struct i802_bss * bss)3130 static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
3131 {
3132 struct wpa_driver_nl80211_data *drv = bss->drv;
3133 unsigned int i;
3134
3135 wpa_printf(MSG_INFO, "nl80211: deinit ifname=%s disabled_11b_rates=%d",
3136 bss->ifname, drv->disabled_11b_rates);
3137
3138 bss->in_deinit = 1;
3139 if (drv->data_tx_status)
3140 eloop_unregister_read_sock(drv->eapol_tx_sock);
3141 if (drv->eapol_tx_sock >= 0)
3142 close(drv->eapol_tx_sock);
3143
3144 if (bss->nl_preq)
3145 wpa_driver_nl80211_probe_req_report(bss, 0);
3146 if (bss->added_if_into_bridge) {
3147 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
3148 bss->ifname) < 0)
3149 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
3150 "interface %s from bridge %s: %s",
3151 bss->ifname, bss->brname, strerror(errno));
3152 }
3153
3154 if (drv->rtnl_sk)
3155 nl_socket_free(drv->rtnl_sk);
3156
3157 if (bss->added_bridge) {
3158 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->brname,
3159 0) < 0)
3160 wpa_printf(MSG_INFO,
3161 "nl80211: Could not set bridge %s down",
3162 bss->brname);
3163 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
3164 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
3165 "bridge %s: %s",
3166 bss->brname, strerror(errno));
3167 }
3168
3169 nl80211_remove_monitor_interface(drv);
3170
3171 if (is_ap_interface(drv->nlmode)) {
3172 wpa_driver_nl80211_del_beacon_all(bss);
3173 nl80211_remove_links(bss);
3174 }
3175
3176 if (drv->eapol_sock >= 0) {
3177 eloop_unregister_read_sock(drv->eapol_sock);
3178 close(drv->eapol_sock);
3179 }
3180
3181 if (drv->if_indices != drv->default_if_indices)
3182 os_free(drv->if_indices);
3183
3184 if (drv->disabled_11b_rates)
3185 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3186
3187 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
3188 IF_OPER_UP);
3189 eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx);
3190 rfkill_deinit(drv->rfkill);
3191
3192 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
3193
3194 if (!drv->start_iface_up)
3195 (void) i802_set_iface_flags(bss, 0);
3196
3197 if (drv->addr_changed) {
3198 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
3199 0) < 0) {
3200 wpa_printf(MSG_DEBUG,
3201 "nl80211: Could not set interface down to restore permanent MAC address");
3202 }
3203 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
3204 drv->perm_addr) < 0) {
3205 wpa_printf(MSG_DEBUG,
3206 "nl80211: Could not restore permanent MAC address");
3207 }
3208 }
3209
3210 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
3211 if (drv->start_mode_sta)
3212 wpa_driver_nl80211_set_mode(bss,
3213 NL80211_IFTYPE_STATION);
3214 nl80211_mgmt_unsubscribe(bss, "deinit");
3215 } else {
3216 nl80211_mgmt_unsubscribe(bss, "deinit");
3217 nl80211_del_p2pdev(bss);
3218 }
3219
3220 nl80211_destroy_bss(drv->first_bss);
3221
3222 os_free(drv->filter_ssids);
3223
3224 os_free(drv->auth_ie);
3225 os_free(drv->auth_data);
3226
3227 if (drv->in_interface_list)
3228 dl_list_del(&drv->list);
3229
3230 os_free(drv->extended_capa);
3231 os_free(drv->extended_capa_mask);
3232 for (i = 0; i < drv->num_iface_capa; i++) {
3233 os_free(drv->iface_capa[i].ext_capa);
3234 os_free(drv->iface_capa[i].ext_capa_mask);
3235 }
3236 os_free(drv->first_bss);
3237 #ifdef CONFIG_DRIVER_NL80211_QCA
3238 os_free(drv->pending_roam_data);
3239 #endif /* CONFIG_DRIVER_NL80211_QCA */
3240 os_free(drv);
3241 }
3242
3243
wpa_alg_to_cipher_suite(enum wpa_alg alg,size_t key_len)3244 static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len)
3245 {
3246 switch (alg) {
3247 case WPA_ALG_WEP:
3248 if (key_len == 5)
3249 return RSN_CIPHER_SUITE_WEP40;
3250 return RSN_CIPHER_SUITE_WEP104;
3251 case WPA_ALG_TKIP:
3252 return RSN_CIPHER_SUITE_TKIP;
3253 case WPA_ALG_CCMP:
3254 return RSN_CIPHER_SUITE_CCMP;
3255 case WPA_ALG_GCMP:
3256 return RSN_CIPHER_SUITE_GCMP;
3257 case WPA_ALG_CCMP_256:
3258 return RSN_CIPHER_SUITE_CCMP_256;
3259 case WPA_ALG_GCMP_256:
3260 return RSN_CIPHER_SUITE_GCMP_256;
3261 case WPA_ALG_BIP_CMAC_128:
3262 return RSN_CIPHER_SUITE_AES_128_CMAC;
3263 case WPA_ALG_BIP_GMAC_128:
3264 return RSN_CIPHER_SUITE_BIP_GMAC_128;
3265 case WPA_ALG_BIP_GMAC_256:
3266 return RSN_CIPHER_SUITE_BIP_GMAC_256;
3267 case WPA_ALG_BIP_CMAC_256:
3268 return RSN_CIPHER_SUITE_BIP_CMAC_256;
3269 case WPA_ALG_SMS4:
3270 return RSN_CIPHER_SUITE_SMS4;
3271 case WPA_ALG_KRK:
3272 return RSN_CIPHER_SUITE_KRK;
3273 case WPA_ALG_NONE:
3274 wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d",
3275 alg);
3276 return 0;
3277 }
3278
3279 wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d",
3280 alg);
3281 return 0;
3282 }
3283
3284
wpa_cipher_to_cipher_suite(unsigned int cipher)3285 static u32 wpa_cipher_to_cipher_suite(unsigned int cipher)
3286 {
3287 switch (cipher) {
3288 case WPA_CIPHER_CCMP_256:
3289 return RSN_CIPHER_SUITE_CCMP_256;
3290 case WPA_CIPHER_GCMP_256:
3291 return RSN_CIPHER_SUITE_GCMP_256;
3292 case WPA_CIPHER_CCMP:
3293 return RSN_CIPHER_SUITE_CCMP;
3294 case WPA_CIPHER_GCMP:
3295 return RSN_CIPHER_SUITE_GCMP;
3296 case WPA_CIPHER_TKIP:
3297 return RSN_CIPHER_SUITE_TKIP;
3298 case WPA_CIPHER_WEP104:
3299 return RSN_CIPHER_SUITE_WEP104;
3300 case WPA_CIPHER_WEP40:
3301 return RSN_CIPHER_SUITE_WEP40;
3302 case WPA_CIPHER_GTK_NOT_USED:
3303 return RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED;
3304 default:
3305 return 0;
3306 }
3307 }
3308
3309
wpa_cipher_to_cipher_suites(unsigned int ciphers,u32 suites[],int max_suites)3310 static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[],
3311 int max_suites)
3312 {
3313 int num_suites = 0;
3314
3315 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256)
3316 suites[num_suites++] = RSN_CIPHER_SUITE_CCMP_256;
3317 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256)
3318 suites[num_suites++] = RSN_CIPHER_SUITE_GCMP_256;
3319 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP)
3320 suites[num_suites++] = RSN_CIPHER_SUITE_CCMP;
3321 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP)
3322 suites[num_suites++] = RSN_CIPHER_SUITE_GCMP;
3323 if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP)
3324 suites[num_suites++] = RSN_CIPHER_SUITE_TKIP;
3325 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104)
3326 suites[num_suites++] = RSN_CIPHER_SUITE_WEP104;
3327 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40)
3328 suites[num_suites++] = RSN_CIPHER_SUITE_WEP40;
3329
3330 return num_suites;
3331 }
3332
3333
wpa_key_mgmt_to_suites(unsigned int key_mgmt_suites,u32 suites[],int max_suites)3334 static int wpa_key_mgmt_to_suites(unsigned int key_mgmt_suites, u32 suites[],
3335 int max_suites)
3336 {
3337 int num_suites = 0;
3338
3339 #define __AKM(a, b) \
3340 if (num_suites < max_suites && \
3341 (key_mgmt_suites & (WPA_KEY_MGMT_ ## a))) \
3342 suites[num_suites++] = (RSN_AUTH_KEY_MGMT_ ## b)
3343 __AKM(IEEE8021X, UNSPEC_802_1X);
3344 __AKM(PSK, PSK_OVER_802_1X);
3345 __AKM(FT_IEEE8021X, FT_802_1X);
3346 __AKM(FT_PSK, FT_PSK);
3347 __AKM(IEEE8021X_SHA256, 802_1X_SHA256);
3348 __AKM(PSK_SHA256, PSK_SHA256);
3349 __AKM(SAE, SAE);
3350 __AKM(SAE_EXT_KEY, SAE_EXT_KEY);
3351 __AKM(FT_SAE, FT_SAE);
3352 __AKM(FT_SAE_EXT_KEY, FT_SAE_EXT_KEY);
3353 __AKM(CCKM, CCKM);
3354 __AKM(OSEN, OSEN);
3355 __AKM(IEEE8021X_SUITE_B, 802_1X_SUITE_B);
3356 __AKM(IEEE8021X_SUITE_B_192, 802_1X_SUITE_B_192);
3357 __AKM(FILS_SHA256, FILS_SHA256);
3358 __AKM(FILS_SHA384, FILS_SHA384);
3359 __AKM(FT_FILS_SHA256, FT_FILS_SHA256);
3360 __AKM(FT_FILS_SHA384, FT_FILS_SHA384);
3361 __AKM(OWE, OWE);
3362 __AKM(DPP, DPP);
3363 __AKM(FT_IEEE8021X_SHA384, FT_802_1X_SHA384);
3364 __AKM(IEEE8021X_SHA384, 802_1X_SHA384);
3365 #undef __AKM
3366
3367 return num_suites;
3368 }
3369
3370
3371 #ifdef CONFIG_DRIVER_NL80211_QCA
issue_key_mgmt_set_key(struct wpa_driver_nl80211_data * drv,const u8 * key,size_t key_len)3372 static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv,
3373 const u8 *key, size_t key_len)
3374 {
3375 struct nl_msg *msg;
3376 int ret;
3377
3378 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
3379 return 0;
3380
3381 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
3382 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
3383 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
3384 QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) ||
3385 nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) {
3386 nl80211_nlmsg_clear(msg);
3387 nlmsg_free(msg);
3388 return -1;
3389 }
3390 ret = send_and_recv_cmd(drv, msg);
3391 if (ret) {
3392 wpa_printf(MSG_DEBUG,
3393 "nl80211: Key management set key failed: ret=%d (%s)",
3394 ret, strerror(-ret));
3395 }
3396
3397 return ret;
3398 }
3399 #endif /* CONFIG_DRIVER_NL80211_QCA */
3400
3401
nl80211_set_pmk(struct wpa_driver_nl80211_data * drv,const u8 * key,size_t key_len,const u8 * addr)3402 static int nl80211_set_pmk(struct wpa_driver_nl80211_data *drv,
3403 const u8 *key, size_t key_len,
3404 const u8 *addr)
3405 {
3406 struct nl_msg *msg = NULL;
3407 int ret;
3408
3409 /*
3410 * If the authenticator address is not set, assume it is
3411 * the current BSSID.
3412 */
3413 if (!addr && drv->associated)
3414 addr = drv->bssid;
3415 else if (!addr)
3416 return -1;
3417
3418 wpa_printf(MSG_DEBUG, "nl80211: Set PMK to the driver for " MACSTR,
3419 MAC2STR(addr));
3420 wpa_hexdump_key(MSG_DEBUG, "nl80211: PMK", key, key_len);
3421 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_PMK);
3422 if (!msg ||
3423 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
3424 nla_put(msg, NL80211_ATTR_PMK, key_len, key)) {
3425 nl80211_nlmsg_clear(msg);
3426 nlmsg_free(msg);
3427 return -ENOBUFS;
3428 }
3429
3430 ret = send_and_recv_cmd(drv, msg);
3431 if (ret) {
3432 wpa_printf(MSG_DEBUG, "nl80211: Set PMK failed: ret=%d (%s)",
3433 ret, strerror(-ret));
3434 }
3435
3436 return ret;
3437 }
3438
3439
wpa_driver_nl80211_set_key(struct i802_bss * bss,struct wpa_driver_set_key_params * params)3440 static int wpa_driver_nl80211_set_key(struct i802_bss *bss,
3441 struct wpa_driver_set_key_params *params)
3442 {
3443 struct wpa_driver_nl80211_data *drv = bss->drv;
3444 int ifindex;
3445 struct nl_msg *msg;
3446 struct nl_msg *key_msg;
3447 int ret;
3448 int skip_set_key = 1;
3449 const char *ifname = params->ifname;
3450 enum wpa_alg alg = params->alg;
3451 const u8 *addr = params->addr;
3452 int key_idx = params->key_idx;
3453 int set_tx = params->set_tx;
3454 const u8 *seq = params->seq;
3455 size_t seq_len = params->seq_len;
3456 const u8 *key = params->key;
3457 size_t key_len = params->key_len;
3458 int vlan_id = params->vlan_id;
3459 enum key_flag key_flag = params->key_flag;
3460 int link_id = params->link_id;
3461
3462 /* Ignore for P2P Device */
3463 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
3464 return 0;
3465
3466 ifindex = if_nametoindex(ifname);
3467 wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
3468 "set_tx=%d seq_len=%lu key_len=%lu key_flag=0x%x link_id=%d",
3469 __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
3470 (unsigned long) seq_len, (unsigned long) key_len, key_flag,
3471 link_id);
3472
3473 if (check_key_flag(key_flag)) {
3474 wpa_printf(MSG_DEBUG, "%s: invalid key_flag", __func__);
3475 return -EINVAL;
3476 }
3477
3478 #ifdef CONFIG_DRIVER_NL80211_QCA
3479 if ((key_flag & KEY_FLAG_PMK) &&
3480 (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
3481 wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key",
3482 __func__);
3483 ret = issue_key_mgmt_set_key(drv, key, key_len);
3484 return ret;
3485 }
3486 #endif /* CONFIG_DRIVER_NL80211_QCA */
3487
3488 if (key_flag & KEY_FLAG_PMK) {
3489 if (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X)
3490 return nl80211_set_pmk(drv, key, key_len, addr);
3491 /* The driver does not have any offload mechanism for PMK, so
3492 * there is no need to configure this key. */
3493 return 0;
3494 }
3495
3496 ret = -ENOBUFS;
3497 key_msg = nlmsg_alloc();
3498 if (!key_msg)
3499 return ret;
3500
3501 if ((key_flag & KEY_FLAG_PAIRWISE_MASK) ==
3502 KEY_FLAG_PAIRWISE_RX_TX_MODIFY) {
3503 wpa_printf(MSG_DEBUG,
3504 "nl80211: SET_KEY (pairwise RX/TX modify)");
3505 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
3506 if (!msg)
3507 goto fail2;
3508 } else if (alg == WPA_ALG_NONE && (key_flag & KEY_FLAG_RX_TX)) {
3509 wpa_printf(MSG_DEBUG, "%s: invalid key_flag to delete key",
3510 __func__);
3511 ret = -EINVAL;
3512 goto fail2;
3513 } else if (alg == WPA_ALG_NONE) {
3514 wpa_printf(MSG_DEBUG, "nl80211: DEL_KEY");
3515 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_DEL_KEY);
3516 if (!msg)
3517 goto fail2;
3518 } else {
3519 u32 suite;
3520
3521 suite = wpa_alg_to_cipher_suite(alg, key_len);
3522 if (!suite) {
3523 ret = -EINVAL;
3524 goto fail2;
3525 }
3526 wpa_printf(MSG_DEBUG, "nl80211: NEW_KEY");
3527 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_NEW_KEY);
3528 if (!msg)
3529 goto fail2;
3530 if (nla_put(key_msg, NL80211_KEY_DATA, key_len, key) ||
3531 nla_put_u32(key_msg, NL80211_KEY_CIPHER, suite))
3532 goto fail;
3533 wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len);
3534
3535 if (seq && seq_len) {
3536 if (nla_put(key_msg, NL80211_KEY_SEQ, seq_len, seq))
3537 goto fail;
3538 wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ",
3539 seq, seq_len);
3540 }
3541 }
3542
3543 if (addr && !is_broadcast_ether_addr(addr)) {
3544 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
3545 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
3546 goto fail;
3547
3548 if ((key_flag & KEY_FLAG_PAIRWISE_MASK) ==
3549 KEY_FLAG_PAIRWISE_RX ||
3550 (key_flag & KEY_FLAG_PAIRWISE_MASK) ==
3551 KEY_FLAG_PAIRWISE_RX_TX_MODIFY) {
3552 if (nla_put_u8(key_msg, NL80211_KEY_MODE,
3553 key_flag == KEY_FLAG_PAIRWISE_RX ?
3554 NL80211_KEY_NO_TX : NL80211_KEY_SET_TX))
3555 goto fail;
3556 } else if ((key_flag & KEY_FLAG_GROUP_MASK) ==
3557 KEY_FLAG_GROUP_RX) {
3558 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
3559 if (nla_put_u32(key_msg, NL80211_KEY_TYPE,
3560 NL80211_KEYTYPE_GROUP))
3561 goto fail;
3562 } else if (!(key_flag & KEY_FLAG_PAIRWISE)) {
3563 wpa_printf(MSG_DEBUG,
3564 " key_flag missing PAIRWISE when setting a pairwise key");
3565 ret = -EINVAL;
3566 goto fail;
3567 } else if (alg == WPA_ALG_WEP &&
3568 (key_flag & KEY_FLAG_RX_TX) == KEY_FLAG_RX_TX) {
3569 wpa_printf(MSG_DEBUG, " unicast WEP key");
3570 skip_set_key = 0;
3571 } else {
3572 wpa_printf(MSG_DEBUG, " pairwise key");
3573 }
3574 } else if ((key_flag & KEY_FLAG_PAIRWISE) ||
3575 !(key_flag & KEY_FLAG_GROUP)) {
3576 wpa_printf(MSG_DEBUG,
3577 " invalid key_flag for a broadcast key");
3578 ret = -EINVAL;
3579 goto fail;
3580 } else {
3581 wpa_printf(MSG_DEBUG, " broadcast key");
3582 if (key_flag & KEY_FLAG_DEFAULT)
3583 skip_set_key = 0;
3584 }
3585 if (nla_put_u8(key_msg, NL80211_KEY_IDX, key_idx) ||
3586 nla_put_nested(msg, NL80211_ATTR_KEY, key_msg))
3587 goto fail;
3588 nl80211_nlmsg_clear(key_msg);
3589 nlmsg_free(key_msg);
3590 key_msg = NULL;
3591
3592 if (vlan_id && (drv->capa.flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD)) {
3593 wpa_printf(MSG_DEBUG, "nl80211: VLAN ID %d", vlan_id);
3594 if (nla_put_u16(msg, NL80211_ATTR_VLAN_ID, vlan_id))
3595 goto fail;
3596 }
3597
3598 if (link_id != -1) {
3599 wpa_printf(MSG_DEBUG, "nl80211: Link ID %d", link_id);
3600 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
3601 goto fail;
3602 }
3603
3604 ret = send_and_recv_cmd(drv, msg);
3605 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
3606 ret = 0;
3607 if (ret)
3608 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s",
3609 ret, strerror(-ret));
3610
3611 /*
3612 * If we failed or don't need to set the key as default (below),
3613 * we're done here.
3614 */
3615 if (ret || skip_set_key)
3616 return ret;
3617 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_SET_KEY - default key");
3618
3619 ret = -ENOBUFS;
3620 key_msg = nlmsg_alloc();
3621 if (!key_msg)
3622 return ret;
3623
3624 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
3625 if (!msg)
3626 goto fail2;
3627 if (!key_msg ||
3628 nla_put_u8(key_msg, NL80211_KEY_IDX, key_idx) ||
3629 nla_put_flag(key_msg, wpa_alg_bip(alg) ?
3630 (key_idx == 6 || key_idx == 7 ?
3631 NL80211_KEY_DEFAULT_BEACON :
3632 NL80211_KEY_DEFAULT_MGMT) :
3633 NL80211_KEY_DEFAULT))
3634 goto fail;
3635 if (addr && is_broadcast_ether_addr(addr)) {
3636 struct nlattr *types;
3637
3638 types = nla_nest_start(key_msg, NL80211_KEY_DEFAULT_TYPES);
3639 if (!types ||
3640 nla_put_flag(key_msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
3641 goto fail;
3642 nla_nest_end(key_msg, types);
3643 } else if (addr) {
3644 struct nlattr *types;
3645
3646 types = nla_nest_start(key_msg, NL80211_KEY_DEFAULT_TYPES);
3647 if (!types ||
3648 nla_put_flag(key_msg, NL80211_KEY_DEFAULT_TYPE_UNICAST))
3649 goto fail;
3650 nla_nest_end(key_msg, types);
3651 }
3652
3653 if (nla_put_nested(msg, NL80211_ATTR_KEY, key_msg))
3654 goto fail;
3655 nl80211_nlmsg_clear(key_msg);
3656 nlmsg_free(key_msg);
3657 key_msg = NULL;
3658
3659 if (vlan_id && (drv->capa.flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD)) {
3660 wpa_printf(MSG_DEBUG, "nl80211: set_key default - VLAN ID %d",
3661 vlan_id);
3662 if (nla_put_u16(msg, NL80211_ATTR_VLAN_ID, vlan_id))
3663 goto fail;
3664 }
3665
3666 if (link_id != -1) {
3667 wpa_printf(MSG_DEBUG, "nl80211: set_key default - Link ID %d",
3668 link_id);
3669 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
3670 goto fail;
3671 }
3672
3673 ret = send_and_recv_cmd(drv, msg);
3674 if (ret)
3675 wpa_printf(MSG_DEBUG,
3676 "nl80211: set_key default failed; err=%d %s",
3677 ret, strerror(-ret));
3678 return ret;
3679
3680 fail:
3681 nl80211_nlmsg_clear(msg);
3682 nlmsg_free(msg);
3683 fail2:
3684 nl80211_nlmsg_clear(key_msg);
3685 nlmsg_free(key_msg);
3686 return ret;
3687 }
3688
3689
nl_add_key(struct nl_msg * msg,enum wpa_alg alg,int key_idx,int defkey,const u8 * seq,size_t seq_len,const u8 * key,size_t key_len)3690 static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
3691 int key_idx, int defkey,
3692 const u8 *seq, size_t seq_len,
3693 const u8 *key, size_t key_len)
3694 {
3695 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
3696 u32 suite;
3697
3698 if (!key_attr)
3699 return -1;
3700
3701 suite = wpa_alg_to_cipher_suite(alg, key_len);
3702 if (!suite)
3703 return -1;
3704
3705 if (defkey && wpa_alg_bip(alg)) {
3706 if (nla_put_flag(msg, NL80211_KEY_DEFAULT_MGMT))
3707 return -1;
3708 } else if (defkey) {
3709 if (nla_put_flag(msg, NL80211_KEY_DEFAULT))
3710 return -1;
3711 }
3712
3713 if (nla_put_u8(msg, NL80211_KEY_IDX, key_idx) ||
3714 nla_put_u32(msg, NL80211_KEY_CIPHER, suite) ||
3715 (seq && seq_len &&
3716 nla_put(msg, NL80211_KEY_SEQ, seq_len, seq)) ||
3717 nla_put(msg, NL80211_KEY_DATA, key_len, key))
3718 return -1;
3719
3720 nla_nest_end(msg, key_attr);
3721
3722 return 0;
3723 }
3724
3725
nl80211_set_conn_keys(struct wpa_driver_associate_params * params,struct nl_msg * msg)3726 static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
3727 struct nl_msg *msg)
3728 {
3729 int i, privacy = 0;
3730 struct nlattr *nl_keys, *nl_key;
3731
3732 for (i = 0; i < 4; i++) {
3733 if (!params->wep_key[i])
3734 continue;
3735 privacy = 1;
3736 break;
3737 }
3738 if (params->wps == WPS_MODE_PRIVACY)
3739 privacy = 1;
3740 if (params->pairwise_suite &&
3741 params->pairwise_suite != WPA_CIPHER_NONE)
3742 privacy = 1;
3743
3744 if (!privacy)
3745 return 0;
3746
3747 if (nla_put_flag(msg, NL80211_ATTR_PRIVACY))
3748 return -ENOBUFS;
3749
3750 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
3751 if (!nl_keys)
3752 return -ENOBUFS;
3753
3754 for (i = 0; i < 4; i++) {
3755 if (!params->wep_key[i])
3756 continue;
3757
3758 nl_key = nla_nest_start(msg, i);
3759 if (!nl_key ||
3760 nla_put(msg, NL80211_KEY_DATA, params->wep_key_len[i],
3761 params->wep_key[i]) ||
3762 nla_put_u32(msg, NL80211_KEY_CIPHER,
3763 params->wep_key_len[i] == 5 ?
3764 RSN_CIPHER_SUITE_WEP40 :
3765 RSN_CIPHER_SUITE_WEP104) ||
3766 nla_put_u8(msg, NL80211_KEY_IDX, i) ||
3767 (i == params->wep_tx_keyidx &&
3768 nla_put_flag(msg, NL80211_KEY_DEFAULT)))
3769 return -ENOBUFS;
3770
3771 nla_nest_end(msg, nl_key);
3772 }
3773 nla_nest_end(msg, nl_keys);
3774
3775 return 0;
3776 }
3777
3778
wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data * drv,const u8 * addr,int cmd,u16 reason_code,int local_state_change,struct i802_bss * bss)3779 int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
3780 const u8 *addr, int cmd, u16 reason_code,
3781 int local_state_change,
3782 struct i802_bss *bss)
3783 {
3784 int ret;
3785 struct nl_msg *msg;
3786
3787 if (!(msg = nl80211_drv_msg(drv, 0, cmd)) ||
3788 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code) ||
3789 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
3790 (local_state_change &&
3791 nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))) {
3792 nlmsg_free(msg);
3793 return -1;
3794 }
3795
3796 ret = send_and_recv(drv->global, bss->nl_connect, msg,
3797 NULL, NULL, NULL, NULL, NULL);
3798 if (ret) {
3799 wpa_dbg(drv->ctx, MSG_DEBUG,
3800 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
3801 reason_code, ret, strerror(-ret));
3802 }
3803 return ret;
3804 }
3805
3806
wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data * drv,u16 reason_code,struct i802_bss * bss)3807 static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
3808 u16 reason_code,
3809 struct i802_bss *bss)
3810 {
3811 int ret;
3812
3813 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
3814 nl80211_mark_disconnected(drv);
3815 /* Disconnect command doesn't need BSSID - it uses cached value */
3816 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
3817 reason_code, 0, bss);
3818 /*
3819 * For locally generated disconnect, supplicant already generates a
3820 * DEAUTH event, so ignore the event from NL80211.
3821 */
3822 if (ret == 0)
3823 drv->ignore_next_local_disconnect = send_event_marker(drv);
3824
3825 return ret;
3826 }
3827
3828
wpa_driver_nl80211_deauthenticate(struct i802_bss * bss,const u8 * addr,u16 reason_code)3829 static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
3830 const u8 *addr, u16 reason_code)
3831 {
3832 struct wpa_driver_nl80211_data *drv = bss->drv;
3833 int ret;
3834
3835 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
3836 nl80211_mark_disconnected(drv);
3837 return nl80211_leave_ibss(drv, 1);
3838 }
3839 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
3840 return wpa_driver_nl80211_disconnect(drv, reason_code, bss);
3841 }
3842 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
3843 __func__, MAC2STR(addr), reason_code);
3844 nl80211_mark_disconnected(drv);
3845 ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
3846 reason_code, 0, bss);
3847 /*
3848 * For locally generated deauthenticate, supplicant already generates a
3849 * DEAUTH event, so ignore the event from NL80211.
3850 */
3851 if (ret == 0)
3852 drv->ignore_next_local_deauth = send_event_marker(drv);
3853
3854 return ret;
3855 }
3856
3857
nl80211_copy_auth_params(struct wpa_driver_nl80211_data * drv,struct wpa_driver_auth_params * params)3858 static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
3859 struct wpa_driver_auth_params *params)
3860 {
3861 int i;
3862
3863 drv->auth_freq = params->freq;
3864 drv->auth_alg = params->auth_alg;
3865 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
3866 drv->auth_local_state_change = params->local_state_change;
3867 drv->auth_p2p = params->p2p;
3868
3869 if (params->bssid)
3870 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
3871 else
3872 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
3873
3874 if (params->ssid) {
3875 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
3876 drv->auth_ssid_len = params->ssid_len;
3877 } else
3878 drv->auth_ssid_len = 0;
3879
3880
3881 os_free(drv->auth_ie);
3882 drv->auth_ie = NULL;
3883 drv->auth_ie_len = 0;
3884 if (params->ie) {
3885 drv->auth_ie = os_malloc(params->ie_len);
3886 if (drv->auth_ie) {
3887 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
3888 drv->auth_ie_len = params->ie_len;
3889 }
3890 }
3891
3892 if (params->mld && params->ap_mld_addr) {
3893 drv->auth_mld = params->mld;
3894 drv->auth_mld_link_id = params->mld_link_id;
3895 os_memcpy(drv->auth_ap_mld_addr, params->ap_mld_addr, ETH_ALEN);
3896 } else {
3897 drv->auth_mld = false;
3898 drv->auth_mld_link_id = -1;
3899 }
3900
3901 os_free(drv->auth_data);
3902 drv->auth_data = NULL;
3903 drv->auth_data_len = 0;
3904 if (params->auth_data) {
3905 drv->auth_data = os_memdup(params->auth_data,
3906 params->auth_data_len);
3907 if (drv->auth_data)
3908 drv->auth_data_len = params->auth_data_len;
3909 }
3910
3911 for (i = 0; i < 4; i++) {
3912 if (params->wep_key[i] && params->wep_key_len[i] &&
3913 params->wep_key_len[i] <= 16) {
3914 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
3915 params->wep_key_len[i]);
3916 drv->auth_wep_key_len[i] = params->wep_key_len[i];
3917 } else
3918 drv->auth_wep_key_len[i] = 0;
3919 }
3920 }
3921
3922
nl80211_unmask_11b_rates(struct i802_bss * bss)3923 static void nl80211_unmask_11b_rates(struct i802_bss *bss)
3924 {
3925 struct wpa_driver_nl80211_data *drv = bss->drv;
3926
3927 if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates)
3928 return;
3929
3930 /*
3931 * Looks like we failed to unmask 11b rates previously. This could
3932 * happen, e.g., if the interface was down at the point in time when a
3933 * P2P group was terminated.
3934 */
3935 wpa_printf(MSG_DEBUG,
3936 "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them",
3937 bss->ifname);
3938 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3939 }
3940
3941
get_nl_auth_type(int wpa_auth_alg)3942 static enum nl80211_auth_type get_nl_auth_type(int wpa_auth_alg)
3943 {
3944 if (wpa_auth_alg & WPA_AUTH_ALG_OPEN)
3945 return NL80211_AUTHTYPE_OPEN_SYSTEM;
3946 if (wpa_auth_alg & WPA_AUTH_ALG_SHARED)
3947 return NL80211_AUTHTYPE_SHARED_KEY;
3948 if (wpa_auth_alg & WPA_AUTH_ALG_LEAP)
3949 return NL80211_AUTHTYPE_NETWORK_EAP;
3950 if (wpa_auth_alg & WPA_AUTH_ALG_FT)
3951 return NL80211_AUTHTYPE_FT;
3952 if (wpa_auth_alg & WPA_AUTH_ALG_SAE)
3953 return NL80211_AUTHTYPE_SAE;
3954 if (wpa_auth_alg & WPA_AUTH_ALG_FILS)
3955 return NL80211_AUTHTYPE_FILS_SK;
3956 if (wpa_auth_alg & WPA_AUTH_ALG_FILS_SK_PFS)
3957 return NL80211_AUTHTYPE_FILS_SK_PFS;
3958
3959 return NL80211_AUTHTYPE_MAX;
3960 }
3961
3962
wpa_driver_nl80211_authenticate(struct i802_bss * bss,struct wpa_driver_auth_params * params)3963 static int wpa_driver_nl80211_authenticate(
3964 struct i802_bss *bss, struct wpa_driver_auth_params *params)
3965 {
3966 struct wpa_driver_nl80211_data *drv = bss->drv;
3967 int ret = -1, i;
3968 struct nl_msg *msg;
3969 enum nl80211_auth_type type;
3970 enum nl80211_iftype nlmode;
3971 int count = 0;
3972 int is_retry;
3973 struct wpa_driver_set_key_params p;
3974
3975 nl80211_unmask_11b_rates(bss);
3976
3977 is_retry = drv->retry_auth;
3978 drv->retry_auth = 0;
3979 drv->ignore_deauth_event = 0;
3980
3981 nl80211_mark_disconnected(drv);
3982 os_memset(drv->auth_bssid, 0, ETH_ALEN);
3983 if (params->bssid)
3984 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
3985 else
3986 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
3987 /* FIX: IBSS mode */
3988 nlmode = params->p2p ?
3989 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
3990 if (drv->nlmode != nlmode &&
3991 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
3992 return -1;
3993
3994 retry:
3995 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
3996 drv->ifindex);
3997
3998 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_AUTHENTICATE);
3999 if (!msg)
4000 goto fail;
4001
4002 os_memset(&p, 0, sizeof(p));
4003 p.ifname = bss->ifname;
4004 p.alg = WPA_ALG_WEP;
4005 p.link_id = -1;
4006 for (i = 0; i < 4; i++) {
4007 if (!params->wep_key[i])
4008 continue;
4009 p.key_idx = i;
4010 p.set_tx = i == params->wep_tx_keyidx;
4011 p.key = params->wep_key[i];
4012 p.key_len = params->wep_key_len[i];
4013 p.key_flag = i == params->wep_tx_keyidx ?
4014 KEY_FLAG_GROUP_RX_TX_DEFAULT :
4015 KEY_FLAG_GROUP_RX_TX;
4016 wpa_driver_nl80211_set_key(bss, &p);
4017 if (params->wep_tx_keyidx != i)
4018 continue;
4019 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
4020 params->wep_key[i], params->wep_key_len[i]))
4021 goto fail;
4022 }
4023
4024 if (params->bssid) {
4025 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
4026 MAC2STR(params->bssid));
4027 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
4028 goto fail;
4029 }
4030 if (params->freq) {
4031 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
4032 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
4033 goto fail;
4034 }
4035 if (params->ssid) {
4036 wpa_printf(MSG_DEBUG, " * SSID=%s",
4037 wpa_ssid_txt(params->ssid, params->ssid_len));
4038 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
4039 params->ssid))
4040 goto fail;
4041 }
4042 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
4043 if (params->ie &&
4044 nla_put(msg, NL80211_ATTR_IE, params->ie_len, params->ie))
4045 goto fail;
4046 if (params->auth_data) {
4047 wpa_hexdump(MSG_DEBUG, " * auth_data", params->auth_data,
4048 params->auth_data_len);
4049 if (nla_put(msg, NL80211_ATTR_SAE_DATA, params->auth_data_len,
4050 params->auth_data))
4051 goto fail;
4052 }
4053 type = get_nl_auth_type(params->auth_alg);
4054 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
4055 if (type == NL80211_AUTHTYPE_MAX ||
4056 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
4057 goto fail;
4058 if (params->local_state_change) {
4059 wpa_printf(MSG_DEBUG, " * Local state change only");
4060 if (nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))
4061 goto fail;
4062 }
4063
4064 if (params->mld && params->ap_mld_addr) {
4065 wpa_printf(MSG_DEBUG, " * MLD: link_id=%u, MLD addr=" MACSTR,
4066 params->mld_link_id, MAC2STR(params->ap_mld_addr));
4067
4068 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID,
4069 params->mld_link_id) ||
4070 nla_put(msg, NL80211_ATTR_MLD_ADDR, ETH_ALEN,
4071 params->ap_mld_addr))
4072 goto fail;
4073 }
4074
4075 ret = send_and_recv_cmd(drv, msg);
4076 msg = NULL;
4077 if (ret) {
4078 wpa_dbg(drv->ctx, MSG_DEBUG,
4079 "nl80211: MLME command failed (auth): count=%d ret=%d (%s)",
4080 count, ret, strerror(-ret));
4081 count++;
4082 if ((ret == -EALREADY || ret == -EEXIST) && count == 1 &&
4083 params->bssid && !params->local_state_change) {
4084 /*
4085 * mac80211 does not currently accept new
4086 * authentication if we are already authenticated. As a
4087 * workaround, force deauthentication and try again.
4088 */
4089 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
4090 "after forced deauthentication");
4091 drv->ignore_deauth_event = 1;
4092 wpa_driver_nl80211_deauthenticate(
4093 bss, params->bssid,
4094 WLAN_REASON_PREV_AUTH_NOT_VALID);
4095 nlmsg_free(msg);
4096 goto retry;
4097 }
4098
4099 if (ret == -ENOENT && params->freq && !is_retry) {
4100 /*
4101 * cfg80211 has likely expired the BSS entry even
4102 * though it was previously available in our internal
4103 * BSS table. To recover quickly, start a single
4104 * channel scan on the specified channel.
4105 */
4106 struct wpa_driver_scan_params scan;
4107 int freqs[2];
4108
4109 os_memset(&scan, 0, sizeof(scan));
4110 scan.num_ssids = 1;
4111 if (params->ssid) {
4112 scan.ssids[0].ssid = params->ssid;
4113 scan.ssids[0].ssid_len = params->ssid_len;
4114 }
4115 freqs[0] = params->freq;
4116 freqs[1] = 0;
4117 scan.freqs = freqs;
4118 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
4119 "channel scan to refresh cfg80211 BSS "
4120 "entry");
4121 ret = wpa_driver_nl80211_scan(bss, &scan);
4122 if (ret == 0) {
4123 nl80211_copy_auth_params(drv, params);
4124 drv->scan_for_auth = 1;
4125 }
4126 } else if (is_retry) {
4127 /*
4128 * Need to indicate this with an event since the return
4129 * value from the retry is not delivered to core code.
4130 */
4131 union wpa_event_data event;
4132 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
4133 "failed");
4134 os_memset(&event, 0, sizeof(event));
4135 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
4136 ETH_ALEN);
4137 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
4138 &event);
4139 }
4140 } else {
4141 wpa_printf(MSG_DEBUG,
4142 "nl80211: Authentication request send successfully");
4143 }
4144
4145 fail:
4146 nlmsg_free(msg);
4147 return ret;
4148 }
4149
4150
wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data * drv)4151 int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv)
4152 {
4153 struct wpa_driver_auth_params params;
4154 struct i802_bss *bss = drv->first_bss;
4155 u8 ap_mld_addr[ETH_ALEN];
4156 int i;
4157
4158 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
4159
4160 os_memset(¶ms, 0, sizeof(params));
4161 params.freq = drv->auth_freq;
4162 params.auth_alg = drv->auth_alg;
4163 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
4164 params.local_state_change = drv->auth_local_state_change;
4165 params.p2p = drv->auth_p2p;
4166
4167 if (!is_zero_ether_addr(drv->auth_bssid_))
4168 params.bssid = drv->auth_bssid_;
4169
4170 if (drv->auth_ssid_len) {
4171 params.ssid = drv->auth_ssid;
4172 params.ssid_len = drv->auth_ssid_len;
4173 }
4174
4175 params.ie = drv->auth_ie;
4176 params.ie_len = drv->auth_ie_len;
4177 params.auth_data = drv->auth_data;
4178 params.auth_data_len = drv->auth_data_len;
4179 params.mld = drv->auth_mld;
4180 params.mld_link_id = drv->auth_mld_link_id;
4181 if (drv->auth_mld) {
4182 os_memcpy(ap_mld_addr, drv->auth_ap_mld_addr, ETH_ALEN);
4183 params.ap_mld_addr = ap_mld_addr;
4184 }
4185
4186 for (i = 0; i < 4; i++) {
4187 if (drv->auth_wep_key_len[i]) {
4188 params.wep_key[i] = drv->auth_wep_key[i];
4189 params.wep_key_len[i] = drv->auth_wep_key_len[i];
4190 }
4191 }
4192
4193 drv->retry_auth = 1;
4194 return wpa_driver_nl80211_authenticate(bss, ¶ms);
4195 }
4196
4197
nl80211_get_link(struct i802_bss * bss,s8 link_id)4198 struct i802_link * nl80211_get_link(struct i802_bss *bss, s8 link_id)
4199 {
4200 if (link_id < 0 || link_id >= MAX_NUM_MLD_LINKS)
4201 return bss->flink;
4202
4203 if (BIT(link_id) & bss->valid_links)
4204 return &bss->links[link_id];
4205
4206 return bss->flink;
4207 }
4208
4209
nl80211_link_set_freq(struct i802_bss * bss,s8 link_id,int freq)4210 static void nl80211_link_set_freq(struct i802_bss *bss, s8 link_id, int freq)
4211 {
4212 struct i802_link *link = nl80211_get_link(bss, link_id);
4213
4214 link->freq = freq;
4215 }
4216
4217
nl80211_get_link_freq(struct i802_bss * bss,const u8 * addr,bool bss_freq_debug)4218 static int nl80211_get_link_freq(struct i802_bss *bss, const u8 *addr,
4219 bool bss_freq_debug)
4220 {
4221 u8 i;
4222
4223 for_each_link(bss->valid_links, i) {
4224 if (ether_addr_equal(bss->links[i].addr, addr)) {
4225 wpa_printf(MSG_DEBUG,
4226 "nl80211: Use link freq=%d for address "
4227 MACSTR,
4228 bss->links[i].freq, MAC2STR(addr));
4229 return bss->links[i].freq;
4230 }
4231 }
4232
4233 if (bss_freq_debug)
4234 wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
4235 bss->flink->freq);
4236
4237 return bss->flink->freq;
4238 }
4239
4240
wpa_driver_nl80211_send_mlme(struct i802_bss * bss,const u8 * data,size_t data_len,int noack,unsigned int freq,int no_cck,int offchanok,unsigned int wait_time,const u16 * csa_offs,size_t csa_offs_len,int no_encrypt,int link_id)4241 static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
4242 size_t data_len, int noack,
4243 unsigned int freq, int no_cck,
4244 int offchanok,
4245 unsigned int wait_time,
4246 const u16 *csa_offs,
4247 size_t csa_offs_len, int no_encrypt,
4248 int link_id)
4249 {
4250 struct wpa_driver_nl80211_data *drv = bss->drv;
4251 struct ieee80211_mgmt *mgmt;
4252 int encrypt = !no_encrypt;
4253 u16 fc;
4254 int use_cookie = 1;
4255 int res;
4256 struct i802_link *link = nl80211_get_link(bss, link_id);
4257
4258 mgmt = (struct ieee80211_mgmt *) data;
4259 fc = le_to_host16(mgmt->frame_control);
4260 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da=" MACSTR " sa=" MACSTR
4261 " bssid=" MACSTR
4262 " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u no_encrypt=%d fc=0x%x (%s) nlmode=%d",
4263 MAC2STR(mgmt->da), MAC2STR(mgmt->sa), MAC2STR(mgmt->bssid),
4264 noack, freq, no_cck, offchanok, wait_time,
4265 no_encrypt, fc, fc2str(fc), drv->nlmode);
4266
4267 if ((is_sta_interface(drv->nlmode) ||
4268 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
4269 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
4270 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
4271 /*
4272 * The use of last_mgmt_freq is a bit of a hack,
4273 * but it works due to the single-threaded nature
4274 * of wpa_supplicant.
4275 */
4276 if (freq == 0) {
4277 wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
4278 drv->last_mgmt_freq);
4279 freq = drv->last_mgmt_freq;
4280 }
4281 wait_time = 0;
4282 use_cookie = 0;
4283 no_cck = 1;
4284 offchanok = 1;
4285 goto send_frame_cmd;
4286 }
4287
4288 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
4289 unsigned int link_freq = nl80211_get_link_freq(bss, mgmt->sa,
4290 !freq);
4291
4292 if (!freq)
4293 freq = link_freq;
4294
4295 if (freq == link_freq)
4296 wait_time = 0;
4297
4298 goto send_frame_cmd;
4299 }
4300
4301 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
4302 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
4303 /*
4304 * Only one of the authentication frame types is encrypted.
4305 * In order for static WEP encryption to work properly (i.e.,
4306 * to not encrypt the frame), we need to tell mac80211 about
4307 * the frames that must not be encrypted.
4308 */
4309 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
4310 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
4311 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
4312 encrypt = 0;
4313 }
4314
4315 if (is_sta_interface(drv->nlmode) &&
4316 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
4317 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
4318 if (freq == 0 &&
4319 (drv->capa.flags & WPA_DRIVER_FLAGS_SAE) &&
4320 !(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
4321 freq = nl80211_get_assoc_freq(drv);
4322 wpa_printf(MSG_DEBUG,
4323 "nl80211: send_mlme - Use assoc_freq=%u for external auth",
4324 freq);
4325 }
4326
4327 /* Allow off channel for PASN authentication */
4328 if (data_len >= IEEE80211_HDRLEN + 2 &&
4329 WPA_GET_LE16(data + IEEE80211_HDRLEN) == WLAN_AUTH_PASN &&
4330 !offchanok) {
4331 wpa_printf(MSG_DEBUG,
4332 "nl80211: send_mlme: allow off channel for PASN");
4333 offchanok = 1;
4334 }
4335 }
4336
4337 #ifdef CONFIG_PASN
4338 if (is_sta_interface(drv->nlmode) &&
4339 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
4340 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_DEAUTH) {
4341 wpa_printf(MSG_DEBUG,
4342 "nl80211: send_mlme: allow Deauthentication frame for PASN");
4343
4344 use_cookie = 0;
4345 offchanok = 1;
4346 goto send_frame_cmd;
4347 }
4348 #endif /* CONFIG_PASN */
4349
4350 if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) {
4351 freq = nl80211_get_assoc_freq(drv);
4352 wpa_printf(MSG_DEBUG,
4353 "nl80211: send_mlme - Use assoc_freq=%u for IBSS",
4354 freq);
4355 }
4356 if (freq == 0) {
4357 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - Use bss->freq=%u",
4358 link->freq);
4359 freq = link->freq;
4360 }
4361
4362 if (drv->use_monitor && is_ap_interface(drv->nlmode)) {
4363 wpa_printf(MSG_DEBUG,
4364 "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor",
4365 freq, link->freq);
4366 return nl80211_send_monitor(drv, data, data_len, encrypt,
4367 noack);
4368 }
4369
4370 if ((noack || WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT ||
4371 WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION) &&
4372 link_id == NL80211_DRV_LINK_ID_NA)
4373 use_cookie = 0;
4374 send_frame_cmd:
4375 #ifdef CONFIG_TESTING_OPTIONS
4376 if (no_encrypt && !encrypt && !drv->use_monitor) {
4377 wpa_printf(MSG_DEBUG,
4378 "nl80211: Request to send an unencrypted frame - use a monitor interface for this");
4379 if (nl80211_create_monitor_interface(drv) < 0)
4380 return -1;
4381 res = nl80211_send_monitor(drv, data, data_len, encrypt,
4382 noack);
4383 nl80211_remove_monitor_interface(drv);
4384 return res;
4385 }
4386 #endif /* CONFIG_TESTING_OPTIONS */
4387
4388 wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame_cmd");
4389 res = nl80211_send_frame_cmd(bss, freq, wait_time, data, data_len,
4390 use_cookie, no_cck, noack, offchanok,
4391 csa_offs, csa_offs_len, link_id);
4392 if (!res)
4393 drv->send_frame_link_id = link_id;
4394
4395 return res;
4396 }
4397
4398
nl80211_put_basic_rates(struct nl_msg * msg,const int * basic_rates)4399 static int nl80211_put_basic_rates(struct nl_msg *msg, const int *basic_rates)
4400 {
4401 u8 rates[NL80211_MAX_SUPP_RATES];
4402 u8 rates_len = 0;
4403 int i;
4404
4405 if (!basic_rates)
4406 return 0;
4407
4408 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++)
4409 rates[rates_len++] = basic_rates[i] / 5;
4410
4411 return nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
4412 }
4413
4414
nl80211_set_bss(struct i802_bss * bss,int cts,int preamble,int slot,int ht_opmode,int ap_isolate,const int * basic_rates,int link_id)4415 static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
4416 int slot, int ht_opmode, int ap_isolate,
4417 const int *basic_rates, int link_id)
4418 {
4419 struct wpa_driver_nl80211_data *drv = bss->drv;
4420 struct nl_msg *msg;
4421
4422 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) ||
4423 (cts >= 0 &&
4424 nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) ||
4425 (preamble >= 0 &&
4426 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble)) ||
4427 (slot >= 0 &&
4428 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot)) ||
4429 (ht_opmode >= 0 &&
4430 nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) ||
4431 (ap_isolate >= 0 &&
4432 nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)) ||
4433 nl80211_put_basic_rates(msg, basic_rates) ||
4434 (link_id != NL80211_DRV_LINK_ID_NA &&
4435 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))) {
4436 nlmsg_free(msg);
4437 return -ENOBUFS;
4438 }
4439
4440 return send_and_recv_cmd(drv, msg);
4441 }
4442
4443
wpa_driver_nl80211_set_acl(void * priv,struct hostapd_acl_params * params)4444 static int wpa_driver_nl80211_set_acl(void *priv,
4445 struct hostapd_acl_params *params)
4446 {
4447 struct i802_bss *bss = priv;
4448 struct wpa_driver_nl80211_data *drv = bss->drv;
4449 struct nl_msg *msg;
4450 struct nl_msg *acl;
4451 unsigned int i;
4452 int ret;
4453 size_t acl_nla_sz, acl_nlmsg_sz, nla_sz, nlmsg_sz;
4454
4455 if (!(drv->capa.max_acl_mac_addrs))
4456 return -ENOTSUP;
4457
4458 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
4459 return -ENOTSUP;
4460
4461 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
4462 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
4463
4464 acl_nla_sz = nla_total_size(ETH_ALEN) * params->num_mac_acl;
4465 acl_nlmsg_sz = nlmsg_total_size(acl_nla_sz);
4466 acl = nlmsg_alloc_size(acl_nlmsg_sz);
4467 if (!acl)
4468 return -ENOMEM;
4469 for (i = 0; i < params->num_mac_acl; i++) {
4470 if (nla_put(acl, i + 1, ETH_ALEN, params->mac_acl[i].addr)) {
4471 nlmsg_free(acl);
4472 return -ENOMEM;
4473 }
4474 }
4475
4476 /*
4477 * genetlink message header (Length of user header is 0) +
4478 * u32 attr: NL80211_ATTR_IFINDEX +
4479 * u32 attr: NL80211_ATTR_ACL_POLICY +
4480 * nested acl attr
4481 */
4482 nla_sz = GENL_HDRLEN +
4483 nla_total_size(4) * 2 +
4484 nla_total_size(acl_nla_sz);
4485 nlmsg_sz = nlmsg_total_size(nla_sz);
4486 if (!(msg = nl80211_ifindex_msg_build(drv, nlmsg_alloc_size(nlmsg_sz),
4487 drv->ifindex, 0,
4488 NL80211_CMD_SET_MAC_ACL)) ||
4489 nla_put_u32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
4490 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
4491 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) ||
4492 nla_put_nested(msg, NL80211_ATTR_MAC_ADDRS, acl)) {
4493 nlmsg_free(msg);
4494 nlmsg_free(acl);
4495 return -ENOMEM;
4496 }
4497 nlmsg_free(acl);
4498
4499 ret = send_and_recv_cmd(drv, msg);
4500 if (ret) {
4501 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
4502 ret, strerror(-ret));
4503 }
4504
4505 return ret;
4506 }
4507
4508
nl80211_put_beacon_int(struct nl_msg * msg,int beacon_int)4509 static int nl80211_put_beacon_int(struct nl_msg *msg, int beacon_int)
4510 {
4511 if (beacon_int > 0) {
4512 wpa_printf(MSG_DEBUG, " * beacon_int=%d", beacon_int);
4513 return nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
4514 beacon_int);
4515 }
4516
4517 return 0;
4518 }
4519
4520
nl80211_put_dtim_period(struct nl_msg * msg,int dtim_period)4521 static int nl80211_put_dtim_period(struct nl_msg *msg, int dtim_period)
4522 {
4523 if (dtim_period > 0) {
4524 wpa_printf(MSG_DEBUG, " * dtim_period=%d", dtim_period);
4525 return nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, dtim_period);
4526 }
4527
4528 return 0;
4529 }
4530
4531
4532 #ifdef CONFIG_MESH
nl80211_set_mesh_config(void * priv,struct wpa_driver_mesh_bss_params * params)4533 static int nl80211_set_mesh_config(void *priv,
4534 struct wpa_driver_mesh_bss_params *params)
4535 {
4536 struct i802_bss *bss = priv;
4537 struct wpa_driver_nl80211_data *drv = bss->drv;
4538 struct nl_msg *msg;
4539 int ret;
4540
4541 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MESH_CONFIG);
4542 if (!msg)
4543 return -1;
4544
4545 ret = nl80211_put_mesh_config(msg, params);
4546 if (ret < 0) {
4547 nlmsg_free(msg);
4548 return ret;
4549 }
4550
4551 ret = send_and_recv_cmd(drv, msg);
4552 if (ret) {
4553 wpa_printf(MSG_ERROR,
4554 "nl80211: Mesh config set failed: %d (%s)",
4555 ret, strerror(-ret));
4556 return ret;
4557 }
4558 return 0;
4559 }
4560 #endif /* CONFIG_MESH */
4561
4562
nl80211_put_beacon_rate(struct nl_msg * msg,u64 flags,u64 flags2,struct wpa_driver_ap_params * params)4563 static int nl80211_put_beacon_rate(struct nl_msg *msg, u64 flags, u64 flags2,
4564 struct wpa_driver_ap_params *params)
4565 {
4566 struct nlattr *bands, *band;
4567 struct nl80211_txrate_vht vht_rate;
4568 struct nl80211_txrate_he he_rate;
4569
4570 if (!params->freq ||
4571 (params->beacon_rate == 0 &&
4572 params->rate_type == BEACON_RATE_LEGACY))
4573 return 0;
4574
4575 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
4576 if (!bands)
4577 return -1;
4578
4579 switch (params->freq->mode) {
4580 case HOSTAPD_MODE_IEEE80211B:
4581 case HOSTAPD_MODE_IEEE80211G:
4582 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
4583 break;
4584 case HOSTAPD_MODE_IEEE80211A:
4585 if (is_6ghz_freq(params->freq->freq))
4586 band = nla_nest_start(msg, NL80211_BAND_6GHZ);
4587 else
4588 band = nla_nest_start(msg, NL80211_BAND_5GHZ);
4589 break;
4590 case HOSTAPD_MODE_IEEE80211AD:
4591 band = nla_nest_start(msg, NL80211_BAND_60GHZ);
4592 break;
4593 default:
4594 return 0;
4595 }
4596
4597 if (!band)
4598 return -1;
4599
4600 os_memset(&vht_rate, 0, sizeof(vht_rate));
4601 os_memset(&he_rate, 0, sizeof(he_rate));
4602
4603 switch (params->rate_type) {
4604 case BEACON_RATE_LEGACY:
4605 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_LEGACY)) {
4606 wpa_printf(MSG_INFO,
4607 "nl80211: Driver does not support setting Beacon frame rate (legacy)");
4608 return -1;
4609 }
4610
4611 if (nla_put_u8(msg, NL80211_TXRATE_LEGACY,
4612 (u8) (params->beacon_rate / 5)) ||
4613 nla_put(msg, NL80211_TXRATE_HT, 0, NULL) ||
4614 (params->freq->vht_enabled &&
4615 nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
4616 &vht_rate)))
4617 return -1;
4618
4619 wpa_printf(MSG_DEBUG, " * beacon_rate = legacy:%u (* 100 kbps)",
4620 params->beacon_rate);
4621 break;
4622 case BEACON_RATE_HT:
4623 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_HT)) {
4624 wpa_printf(MSG_INFO,
4625 "nl80211: Driver does not support setting Beacon frame rate (HT)");
4626 return -1;
4627 }
4628 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL) ||
4629 nla_put_u8(msg, NL80211_TXRATE_HT, params->beacon_rate) ||
4630 (params->freq->vht_enabled &&
4631 nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
4632 &vht_rate)))
4633 return -1;
4634 wpa_printf(MSG_DEBUG, " * beacon_rate = HT-MCS %u",
4635 params->beacon_rate);
4636 break;
4637 case BEACON_RATE_VHT:
4638 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_VHT)) {
4639 wpa_printf(MSG_INFO,
4640 "nl80211: Driver does not support setting Beacon frame rate (VHT)");
4641 return -1;
4642 }
4643 vht_rate.mcs[0] = BIT(params->beacon_rate);
4644 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL))
4645 return -1;
4646 if (nla_put(msg, NL80211_TXRATE_HT, 0, NULL))
4647 return -1;
4648 if (nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
4649 &vht_rate))
4650 return -1;
4651 wpa_printf(MSG_DEBUG, " * beacon_rate = VHT-MCS %u",
4652 params->beacon_rate);
4653 break;
4654 case BEACON_RATE_HE:
4655 if (!(flags2 & WPA_DRIVER_FLAGS2_BEACON_RATE_HE)) {
4656 wpa_printf(MSG_INFO,
4657 "nl80211: Driver does not support setting Beacon frame rate (HE)");
4658 return -1;
4659 }
4660 he_rate.mcs[0] = BIT(params->beacon_rate);
4661 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL) ||
4662 nla_put(msg, NL80211_TXRATE_HT, 0, NULL) ||
4663 nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
4664 &vht_rate) ||
4665 nla_put(msg, NL80211_TXRATE_HE, sizeof(he_rate), &he_rate))
4666 return -1;
4667 wpa_printf(MSG_DEBUG, " * beacon_rate = HE-MCS %u",
4668 params->beacon_rate);
4669 break;
4670 }
4671
4672 nla_nest_end(msg, band);
4673 nla_nest_end(msg, bands);
4674
4675 return 0;
4676 }
4677
4678
nl80211_set_multicast_to_unicast(struct i802_bss * bss,int multicast_to_unicast)4679 static int nl80211_set_multicast_to_unicast(struct i802_bss *bss,
4680 int multicast_to_unicast)
4681 {
4682 struct wpa_driver_nl80211_data *drv = bss->drv;
4683 struct nl_msg *msg;
4684 int ret;
4685
4686 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_MULTICAST_TO_UNICAST);
4687 if (!msg ||
4688 (multicast_to_unicast &&
4689 nla_put_flag(msg, NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED))) {
4690 wpa_printf(MSG_ERROR,
4691 "nl80211: Failed to build NL80211_CMD_SET_MULTICAST_TO_UNICAST msg for %s",
4692 bss->ifname);
4693 nlmsg_free(msg);
4694 return -ENOBUFS;
4695 }
4696
4697 ret = send_and_recv_cmd(drv, msg);
4698
4699 switch (ret) {
4700 case 0:
4701 wpa_printf(MSG_DEBUG,
4702 "nl80211: multicast to unicast %s on interface %s",
4703 multicast_to_unicast ? "enabled" : "disabled",
4704 bss->ifname);
4705 break;
4706 case -EOPNOTSUPP:
4707 if (!multicast_to_unicast)
4708 break;
4709 wpa_printf(MSG_INFO,
4710 "nl80211: multicast to unicast not supported on interface %s",
4711 bss->ifname);
4712 break;
4713 default:
4714 wpa_printf(MSG_ERROR,
4715 "nl80211: %s multicast to unicast failed with %d (%s) on interface %s",
4716 multicast_to_unicast ? "enabling" : "disabling",
4717 ret, strerror(-ret), bss->ifname);
4718 break;
4719 }
4720
4721 return ret;
4722 }
4723
4724
4725 #ifdef CONFIG_SAE
nl80211_put_sae_pwe(struct nl_msg * msg,enum sae_pwe pwe)4726 static int nl80211_put_sae_pwe(struct nl_msg *msg, enum sae_pwe pwe)
4727 {
4728 u8 sae_pwe;
4729
4730 wpa_printf(MSG_DEBUG, "nl802111: sae_pwe=%d", pwe);
4731 if (pwe == SAE_PWE_HUNT_AND_PECK)
4732 sae_pwe = NL80211_SAE_PWE_HUNT_AND_PECK;
4733 else if (pwe == SAE_PWE_HASH_TO_ELEMENT)
4734 sae_pwe = NL80211_SAE_PWE_HASH_TO_ELEMENT;
4735 else if (pwe == SAE_PWE_BOTH)
4736 sae_pwe = NL80211_SAE_PWE_BOTH;
4737 else if (pwe == SAE_PWE_FORCE_HUNT_AND_PECK)
4738 return 0; /* special test mode */
4739 else
4740 return -1;
4741 if (nla_put_u8(msg, NL80211_ATTR_SAE_PWE, sae_pwe))
4742 return -1;
4743
4744 return 0;
4745 }
4746 #endif /* CONFIG_SAE */
4747
4748
4749 #ifdef CONFIG_FILS
nl80211_fils_discovery(struct i802_bss * bss,struct nl_msg * msg,struct wpa_driver_ap_params * params)4750 static int nl80211_fils_discovery(struct i802_bss *bss, struct nl_msg *msg,
4751 struct wpa_driver_ap_params *params)
4752 {
4753 struct nlattr *attr;
4754
4755 if (!bss->drv->fils_discovery) {
4756 wpa_printf(MSG_ERROR,
4757 "nl80211: Driver does not support FILS Discovery frame transmission for %s",
4758 bss->ifname);
4759 return -1;
4760 }
4761
4762 attr = nla_nest_start(msg, NL80211_ATTR_FILS_DISCOVERY);
4763 if (!attr ||
4764 nla_put_u32(msg, NL80211_FILS_DISCOVERY_ATTR_INT_MIN,
4765 params->fd_min_int) ||
4766 nla_put_u32(msg, NL80211_FILS_DISCOVERY_ATTR_INT_MAX,
4767 params->fd_max_int) ||
4768 (params->fd_frame_tmpl &&
4769 nla_put(msg, NL80211_FILS_DISCOVERY_ATTR_TMPL,
4770 params->fd_frame_tmpl_len, params->fd_frame_tmpl)))
4771 return -1;
4772
4773 nla_nest_end(msg, attr);
4774 return 0;
4775 }
4776 #endif /* CONFIG_FILS */
4777
4778
4779 #ifdef CONFIG_IEEE80211AX
4780
nl80211_unsol_bcast_probe_resp(struct i802_bss * bss,struct nl_msg * msg,struct unsol_bcast_probe_resp * ubpr)4781 static int nl80211_unsol_bcast_probe_resp(struct i802_bss *bss,
4782 struct nl_msg *msg,
4783 struct unsol_bcast_probe_resp *ubpr)
4784 {
4785 struct nlattr *attr;
4786
4787 if (!bss->drv->unsol_bcast_probe_resp) {
4788 wpa_printf(MSG_ERROR,
4789 "nl80211: Driver does not support unsolicited broadcast Probe Response frame transmission for %s",
4790 bss->ifname);
4791 return -1;
4792 }
4793
4794 wpa_printf(MSG_DEBUG,
4795 "nl80211: Unsolicited broadcast Probe Response frame interval: %u",
4796 ubpr->unsol_bcast_probe_resp_interval);
4797 attr = nla_nest_start(msg, NL80211_ATTR_UNSOL_BCAST_PROBE_RESP);
4798 if (!attr ||
4799 nla_put_u32(msg, NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT,
4800 ubpr->unsol_bcast_probe_resp_interval) ||
4801 (ubpr->unsol_bcast_probe_resp_tmpl &&
4802 nla_put(msg, NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL,
4803 ubpr->unsol_bcast_probe_resp_tmpl_len,
4804 ubpr->unsol_bcast_probe_resp_tmpl)))
4805 return -1;
4806
4807 nla_nest_end(msg, attr);
4808 return 0;
4809 }
4810
4811
nl80211_mbssid(struct nl_msg * msg,struct wpa_driver_ap_params * params)4812 static int nl80211_mbssid(struct nl_msg *msg,
4813 struct wpa_driver_ap_params *params)
4814 {
4815 struct nlattr *config, *elems;
4816 int ifidx;
4817
4818 if (!params->mbssid_tx_iface)
4819 return 0;
4820
4821 config = nla_nest_start(msg, NL80211_ATTR_MBSSID_CONFIG);
4822 if (!config ||
4823 nla_put_u8(msg, NL80211_MBSSID_CONFIG_ATTR_INDEX,
4824 params->mbssid_index))
4825 return -1;
4826
4827 if (params->mbssid_tx_iface) {
4828 ifidx = if_nametoindex(params->mbssid_tx_iface);
4829 if (ifidx <= 0 ||
4830 nla_put_u32(msg, NL80211_MBSSID_CONFIG_ATTR_TX_IFINDEX,
4831 ifidx))
4832 return -1;
4833 }
4834
4835 if (params->ema && nla_put_flag(msg, NL80211_MBSSID_CONFIG_ATTR_EMA))
4836 return -1;
4837
4838 nla_nest_end(msg, config);
4839
4840 if (params->mbssid_elem_count && params->mbssid_elem_len &&
4841 params->mbssid_elem_offset && *params->mbssid_elem_offset) {
4842 u8 i, **offs = params->mbssid_elem_offset;
4843
4844 elems = nla_nest_start(msg, NL80211_ATTR_MBSSID_ELEMS);
4845 if (!elems)
4846 return -1;
4847
4848 for (i = 0; i < params->mbssid_elem_count - 1; i++) {
4849 if (nla_put(msg, i + 1, offs[i + 1] - offs[i], offs[i]))
4850 return -1;
4851 }
4852
4853 if (nla_put(msg, i + 1,
4854 *offs + params->mbssid_elem_len - offs[i],
4855 offs[i]))
4856 return -1;
4857
4858 nla_nest_end(msg, elems);
4859 }
4860
4861 if (!params->ema)
4862 return 0;
4863
4864 if (params->rnr_elem_count && params->rnr_elem_len &&
4865 params->rnr_elem_offset && *params->rnr_elem_offset) {
4866 u8 i, **offs = params->rnr_elem_offset;
4867
4868 elems = nla_nest_start(msg, NL80211_ATTR_EMA_RNR_ELEMS);
4869 if (!elems)
4870 return -1;
4871
4872 for (i = 0; i < params->rnr_elem_count - 1; i++) {
4873 if (nla_put(msg, i + 1, offs[i + 1] - offs[i], offs[i]))
4874 return -1;
4875 }
4876
4877 if (nla_put(msg, i + 1, *offs + params->rnr_elem_len - offs[i],
4878 offs[i]))
4879 return -1;
4880 nla_nest_end(msg, elems);
4881 }
4882
4883 return 0;
4884 }
4885
4886 #endif /* CONFIG_IEEE80211AX */
4887
4888
4889 #ifdef CONFIG_DRIVER_NL80211_QCA
qca_set_allowed_ap_freqs(struct wpa_driver_nl80211_data * drv,const int * freqs,int num_freqs,int link_id)4890 static void qca_set_allowed_ap_freqs(struct wpa_driver_nl80211_data *drv,
4891 const int *freqs, int num_freqs,
4892 int link_id)
4893 {
4894 struct nl_msg *msg;
4895 struct nlattr *params, *freqs_list;
4896 int i, ret;
4897
4898 if (!drv->set_wifi_conf_vendor_cmd_avail || !drv->qca_ap_allowed_freqs)
4899 return;
4900
4901 wpa_printf(MSG_DEBUG, "nl80211: Set AP allowed frequency list");
4902
4903 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
4904 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
4905 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
4906 QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION) ||
4907 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)))
4908 goto err;
4909
4910 if (link_id != NL80211_DRV_LINK_ID_NA &&
4911 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_MLO_LINK_ID, link_id))
4912 goto err;
4913
4914 freqs_list = nla_nest_start(
4915 msg, QCA_WLAN_VENDOR_ATTR_CONFIG_AP_ALLOWED_FREQ_LIST);
4916 if (!freqs_list)
4917 goto err;
4918
4919 for (i = 0; i < num_freqs; i++) {
4920 if (nla_put_u32(msg, i, freqs[i]))
4921 goto err;
4922 }
4923
4924 nla_nest_end(msg, freqs_list);
4925 nla_nest_end(msg, params);
4926
4927 ret = send_and_recv_cmd(drv, msg);
4928 if (ret)
4929 wpa_printf(MSG_ERROR,
4930 "nl80211: Failed set AP alllowed frequency list: %d (%s)",
4931 ret, strerror(-ret));
4932
4933 return;
4934 err:
4935 nlmsg_free(msg);
4936 }
4937 #endif /* CONFIG_DRIVER_NL80211_QCA */
4938
4939
nl80211_put_freq_params(struct nl_msg * msg,const struct hostapd_freq_params * freq)4940 static int nl80211_put_freq_params(struct nl_msg *msg,
4941 const struct hostapd_freq_params *freq)
4942 {
4943 enum hostapd_hw_mode hw_mode;
4944 int is_24ghz;
4945 u8 channel;
4946
4947 wpa_printf(MSG_DEBUG, " * freq=%d", freq->freq);
4948 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq))
4949 return -ENOBUFS;
4950
4951 wpa_printf(MSG_DEBUG, " * eht_enabled=%d", freq->eht_enabled);
4952 wpa_printf(MSG_DEBUG, " * he_enabled=%d", freq->he_enabled);
4953 wpa_printf(MSG_DEBUG, " * vht_enabled=%d", freq->vht_enabled);
4954 wpa_printf(MSG_DEBUG, " * ht_enabled=%d", freq->ht_enabled);
4955 wpa_printf(MSG_DEBUG, " * radar_background=%d",
4956 freq->radar_background);
4957
4958 hw_mode = ieee80211_freq_to_chan(freq->freq, &channel);
4959 is_24ghz = hw_mode == HOSTAPD_MODE_IEEE80211G ||
4960 hw_mode == HOSTAPD_MODE_IEEE80211B;
4961
4962 if (freq->vht_enabled ||
4963 ((freq->he_enabled || freq->eht_enabled) && !is_24ghz)) {
4964 enum nl80211_chan_width cw;
4965
4966 wpa_printf(MSG_DEBUG, " * bandwidth=%d", freq->bandwidth);
4967 switch (freq->bandwidth) {
4968 case 20:
4969 cw = NL80211_CHAN_WIDTH_20;
4970 break;
4971 case 40:
4972 cw = NL80211_CHAN_WIDTH_40;
4973 break;
4974 case 80:
4975 if (freq->center_freq2)
4976 cw = NL80211_CHAN_WIDTH_80P80;
4977 else
4978 cw = NL80211_CHAN_WIDTH_80;
4979 break;
4980 case 160:
4981 cw = NL80211_CHAN_WIDTH_160;
4982 break;
4983 case 320:
4984 cw = NL80211_CHAN_WIDTH_320;
4985 break;
4986 default:
4987 return -EINVAL;
4988 }
4989
4990 wpa_printf(MSG_DEBUG, " * channel_width=%d", cw);
4991 wpa_printf(MSG_DEBUG, " * center_freq1=%d",
4992 freq->center_freq1);
4993 wpa_printf(MSG_DEBUG, " * center_freq2=%d",
4994 freq->center_freq2);
4995 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) ||
4996 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1,
4997 freq->center_freq1) ||
4998 (freq->center_freq2 &&
4999 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2,
5000 freq->center_freq2)))
5001 return -ENOBUFS;
5002 } else if (freq->ht_enabled) {
5003 enum nl80211_channel_type ct;
5004
5005 wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d",
5006 freq->sec_channel_offset);
5007 switch (freq->sec_channel_offset) {
5008 case -1:
5009 ct = NL80211_CHAN_HT40MINUS;
5010 break;
5011 case 1:
5012 ct = NL80211_CHAN_HT40PLUS;
5013 break;
5014 default:
5015 ct = NL80211_CHAN_HT20;
5016 break;
5017 }
5018
5019 wpa_printf(MSG_DEBUG, " * channel_type=%d", ct);
5020 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct))
5021 return -ENOBUFS;
5022 } else if (freq->edmg.channels && freq->edmg.bw_config) {
5023 wpa_printf(MSG_DEBUG,
5024 " * EDMG configuration: channels=0x%x bw_config=%d",
5025 freq->edmg.channels, freq->edmg.bw_config);
5026 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_CHANNELS,
5027 freq->edmg.channels) ||
5028 nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_BW_CONFIG,
5029 freq->edmg.bw_config))
5030 return -1;
5031 } else {
5032 wpa_printf(MSG_DEBUG, " * channel_type=%d",
5033 NL80211_CHAN_NO_HT);
5034 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
5035 NL80211_CHAN_NO_HT))
5036 return -ENOBUFS;
5037 }
5038 if (freq->radar_background &&
5039 nla_put_flag(msg, NL80211_ATTR_RADAR_BACKGROUND))
5040 return -ENOBUFS;
5041
5042 return 0;
5043 }
5044
5045
wpa_driver_nl80211_set_ap(void * priv,struct wpa_driver_ap_params * params)5046 static int wpa_driver_nl80211_set_ap(void *priv,
5047 struct wpa_driver_ap_params *params)
5048 {
5049 struct i802_bss *bss = priv;
5050 struct wpa_driver_nl80211_data *drv = bss->drv;
5051 struct i802_link *link = bss->flink;
5052 struct nl_msg *msg;
5053 u8 cmd = NL80211_CMD_NEW_BEACON;
5054 int ret = -ENOBUFS;
5055 int beacon_set;
5056 int num_suites;
5057 u32 suites[20], suite;
5058 u32 ver;
5059 #ifdef CONFIG_MESH
5060 struct wpa_driver_mesh_bss_params mesh_params;
5061 #endif /* CONFIG_MESH */
5062
5063 if (params->mld_ap) {
5064 if (!nl80211_link_valid(bss->valid_links,
5065 params->mld_link_id)) {
5066 wpa_printf(MSG_DEBUG,
5067 "nl80211: Link ID=%u invalid (valid: 0x%04x)",
5068 params->mld_link_id, bss->valid_links);
5069 return -EINVAL;
5070 }
5071
5072 link = nl80211_get_link(bss, params->mld_link_id);
5073 } else if (bss->valid_links) {
5074 wpa_printf(MSG_DEBUG, "nl80211: MLD configuration expected");
5075 return -EINVAL;
5076 }
5077
5078 beacon_set = params->reenable ? 0 : link->beacon_set;
5079
5080 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
5081 beacon_set);
5082 if (beacon_set)
5083 cmd = NL80211_CMD_SET_BEACON;
5084 else if (!drv->device_ap_sme && !drv->use_monitor &&
5085 !nl80211_get_wiphy_data_ap(bss))
5086 return -ENOBUFS;
5087
5088 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
5089 params->head, params->head_len);
5090 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
5091 params->tail, params->tail_len);
5092 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex);
5093 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
5094 wpa_printf(MSG_DEBUG, "nl80211: beacon_rate=%u", params->beacon_rate);
5095 wpa_printf(MSG_DEBUG, "nl80211: rate_type=%d", params->rate_type);
5096 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
5097 wpa_printf(MSG_DEBUG, "nl80211: ssid=%s",
5098 wpa_ssid_txt(params->ssid, params->ssid_len));
5099 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
5100 nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len,
5101 params->head) ||
5102 nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len,
5103 params->tail) ||
5104 nl80211_put_beacon_int(msg, params->beacon_int) ||
5105 nl80211_put_beacon_rate(msg, drv->capa.flags, drv->capa.flags2,
5106 params) ||
5107 nl80211_put_dtim_period(msg, params->dtim_period) ||
5108 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
5109 goto fail;
5110
5111 if (params->mld_ap) {
5112 wpa_printf(MSG_DEBUG, "nl80211: link_id=%u",
5113 params->mld_link_id);
5114
5115 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID,
5116 params->mld_link_id))
5117 goto fail;
5118
5119 if (params->freq)
5120 nl80211_link_set_freq(bss, params->mld_link_id,
5121 params->freq->freq);
5122 }
5123
5124 if (params->proberesp && params->proberesp_len) {
5125 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
5126 params->proberesp, params->proberesp_len);
5127 if (nla_put(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
5128 params->proberesp))
5129 goto fail;
5130 }
5131 switch (params->hide_ssid) {
5132 case NO_SSID_HIDING:
5133 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
5134 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
5135 NL80211_HIDDEN_SSID_NOT_IN_USE))
5136 goto fail;
5137 break;
5138 case HIDDEN_SSID_ZERO_LEN:
5139 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
5140 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
5141 NL80211_HIDDEN_SSID_ZERO_LEN))
5142 goto fail;
5143 break;
5144 case HIDDEN_SSID_ZERO_CONTENTS:
5145 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
5146 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
5147 NL80211_HIDDEN_SSID_ZERO_CONTENTS))
5148 goto fail;
5149 break;
5150 }
5151 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
5152 if (params->privacy &&
5153 nla_put_flag(msg, NL80211_ATTR_PRIVACY))
5154 goto fail;
5155 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
5156 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
5157 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
5158 /* Leave out the attribute */
5159 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) {
5160 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
5161 NL80211_AUTHTYPE_SHARED_KEY))
5162 goto fail;
5163 } else {
5164 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
5165 NL80211_AUTHTYPE_OPEN_SYSTEM))
5166 goto fail;
5167 }
5168
5169 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
5170 ver = 0;
5171 if (params->wpa_version & WPA_PROTO_WPA)
5172 ver |= NL80211_WPA_VERSION_1;
5173 if (params->wpa_version & WPA_PROTO_RSN)
5174 ver |= NL80211_WPA_VERSION_2;
5175 if (ver &&
5176 nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
5177 goto fail;
5178
5179 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
5180 params->key_mgmt_suites);
5181 num_suites = wpa_key_mgmt_to_suites(params->key_mgmt_suites,
5182 suites, ARRAY_SIZE(suites));
5183 if ((unsigned int) num_suites > drv->capa.max_num_akms)
5184 wpa_printf(MSG_DEBUG,
5185 "nl80211: Not enough room for all AKM suites (num_suites=%d > %d)",
5186 num_suites, drv->capa.max_num_akms);
5187 else if (num_suites &&
5188 nla_put(msg, NL80211_ATTR_AKM_SUITES, num_suites * sizeof(u32),
5189 suites))
5190 goto fail;
5191
5192 if (wpa_key_mgmt_wpa_psk_no_sae(params->key_mgmt_suites) &&
5193 (drv->capa.flags2 & WPA_DRIVER_FLAGS2_4WAY_HANDSHAKE_AP_PSK) &&
5194 params->psk_len &&
5195 nla_put(msg, NL80211_ATTR_PMK, params->psk_len, params->psk))
5196 goto fail;
5197
5198 if (wpa_key_mgmt_sae(params->key_mgmt_suites) &&
5199 (drv->capa.flags2 & WPA_DRIVER_FLAGS2_SAE_OFFLOAD_AP) &&
5200 params->sae_password &&
5201 nla_put(msg, NL80211_ATTR_SAE_PASSWORD,
5202 os_strlen(params->sae_password), params->sae_password))
5203 goto fail;
5204
5205 if (nl80211_put_control_port(drv, msg) < 0)
5206 goto fail;
5207
5208 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
5209 (!params->pairwise_ciphers ||
5210 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40)) &&
5211 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT))
5212 goto fail;
5213
5214 if (drv->device_ap_sme) {
5215 u32 flags = 0;
5216
5217 if (params->key_mgmt_suites & (WPA_KEY_MGMT_SAE |
5218 WPA_KEY_MGMT_SAE_EXT_KEY)) {
5219 /* Add the previously used flag attribute to support
5220 * older kernel versions and the newer flag bit for
5221 * newer kernels. */
5222 if (nla_put_flag(msg,
5223 NL80211_ATTR_EXTERNAL_AUTH_SUPPORT))
5224 goto fail;
5225 flags |= NL80211_AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
5226 }
5227
5228 flags |= NL80211_AP_SETTINGS_SA_QUERY_OFFLOAD_SUPPORT;
5229
5230 if (nl80211_attr_supported(drv,
5231 NL80211_ATTR_AP_SETTINGS_FLAGS) &&
5232 nla_put_u32(msg, NL80211_ATTR_AP_SETTINGS_FLAGS, flags))
5233 goto fail;
5234 }
5235
5236 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
5237 params->pairwise_ciphers);
5238 num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers,
5239 suites, ARRAY_SIZE(suites));
5240 if (num_suites &&
5241 nla_put(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
5242 num_suites * sizeof(u32), suites))
5243 goto fail;
5244
5245 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
5246 params->group_cipher);
5247 suite = wpa_cipher_to_cipher_suite(params->group_cipher);
5248 if (suite &&
5249 nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite))
5250 goto fail;
5251
5252 if (params->beacon_ies) {
5253 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
5254 params->beacon_ies);
5255 if (nla_put(msg, NL80211_ATTR_IE,
5256 wpabuf_len(params->beacon_ies),
5257 wpabuf_head(params->beacon_ies)))
5258 goto fail;
5259 }
5260 if (params->proberesp_ies) {
5261 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
5262 params->proberesp_ies);
5263 if (nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
5264 wpabuf_len(params->proberesp_ies),
5265 wpabuf_head(params->proberesp_ies)))
5266 goto fail;
5267 }
5268 if (params->assocresp_ies) {
5269 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
5270 params->assocresp_ies);
5271 if (nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
5272 wpabuf_len(params->assocresp_ies),
5273 wpabuf_head(params->assocresp_ies)))
5274 goto fail;
5275 }
5276
5277 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
5278 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
5279 params->ap_max_inactivity);
5280 if (nla_put_u16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
5281 params->ap_max_inactivity))
5282 goto fail;
5283 }
5284
5285 #ifdef CONFIG_P2P
5286 if (params->p2p_go_ctwindow > 0) {
5287 if (drv->p2p_go_ctwindow_supported) {
5288 wpa_printf(MSG_DEBUG, "nl80211: P2P GO ctwindow=%d",
5289 params->p2p_go_ctwindow);
5290 if (nla_put_u8(msg, NL80211_ATTR_P2P_CTWINDOW,
5291 params->p2p_go_ctwindow))
5292 goto fail;
5293 } else {
5294 wpa_printf(MSG_INFO,
5295 "nl80211: Driver does not support CTWindow configuration - ignore this parameter");
5296 }
5297 }
5298 #endif /* CONFIG_P2P */
5299
5300 if (params->pbss) {
5301 wpa_printf(MSG_DEBUG, "nl80211: PBSS");
5302 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
5303 goto fail;
5304 }
5305
5306 if (params->ftm_responder) {
5307 struct nlattr *ftm;
5308
5309 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_FTM_RESPONDER)) {
5310 ret = -ENOTSUP;
5311 goto fail;
5312 }
5313
5314 ftm = nla_nest_start(msg, NL80211_ATTR_FTM_RESPONDER);
5315 if (!ftm ||
5316 nla_put_flag(msg, NL80211_FTM_RESP_ATTR_ENABLED) ||
5317 (params->lci &&
5318 nla_put(msg, NL80211_FTM_RESP_ATTR_LCI,
5319 wpabuf_len(params->lci),
5320 wpabuf_head(params->lci))) ||
5321 (params->civic &&
5322 nla_put(msg, NL80211_FTM_RESP_ATTR_CIVICLOC,
5323 wpabuf_len(params->civic),
5324 wpabuf_head(params->civic))))
5325 goto fail;
5326 nla_nest_end(msg, ftm);
5327 }
5328
5329 if (params->freq && nl80211_put_freq_params(msg, params->freq) < 0)
5330 goto fail;
5331
5332 #ifdef CONFIG_IEEE80211AX
5333 if (params->he_spr_ctrl) {
5334 struct nlattr *spr;
5335
5336 spr = nla_nest_start(msg, NL80211_ATTR_HE_OBSS_PD);
5337 wpa_printf(MSG_DEBUG, "nl80211: he_spr_ctrl=0x%x",
5338 params->he_spr_ctrl);
5339
5340 if (!spr ||
5341 nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_SR_CTRL,
5342 params->he_spr_ctrl) ||
5343 ((params->he_spr_ctrl &
5344 SPATIAL_REUSE_NON_SRG_OFFSET_PRESENT) &&
5345 nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET,
5346 params->he_spr_non_srg_obss_pd_max_offset)))
5347 goto fail;
5348
5349 if ((params->he_spr_ctrl &
5350 SPATIAL_REUSE_SRG_INFORMATION_PRESENT) &&
5351 (nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET,
5352 params->he_spr_srg_obss_pd_min_offset) ||
5353 nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET,
5354 params->he_spr_srg_obss_pd_max_offset) ||
5355 nla_put(msg, NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP,
5356 sizeof(params->he_spr_bss_color_bitmap),
5357 params->he_spr_bss_color_bitmap) ||
5358 nla_put(msg, NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP,
5359 sizeof(params->he_spr_partial_bssid_bitmap),
5360 params->he_spr_partial_bssid_bitmap)))
5361 goto fail;
5362
5363 nla_nest_end(msg, spr);
5364 }
5365
5366 if (params->freq && params->freq->he_enabled &&
5367 nl80211_attr_supported(drv, NL80211_ATTR_HE_BSS_COLOR)) {
5368 struct nlattr *bss_color;
5369
5370 bss_color = nla_nest_start(msg, NL80211_ATTR_HE_BSS_COLOR);
5371 if (!bss_color ||
5372 (params->he_bss_color_disabled &&
5373 nla_put_flag(msg, NL80211_HE_BSS_COLOR_ATTR_DISABLED)) ||
5374 (params->he_bss_color_partial &&
5375 nla_put_flag(msg, NL80211_HE_BSS_COLOR_ATTR_PARTIAL)) ||
5376 nla_put_u8(msg, NL80211_HE_BSS_COLOR_ATTR_COLOR,
5377 params->he_bss_color))
5378 goto fail;
5379 nla_nest_end(msg, bss_color);
5380 }
5381
5382 if (params->twt_responder) {
5383 wpa_printf(MSG_DEBUG, "nl80211: twt_responder=%d",
5384 params->twt_responder);
5385 if (nla_put_flag(msg, NL80211_ATTR_TWT_RESPONDER))
5386 goto fail;
5387 }
5388
5389 if (params->ubpr.unsol_bcast_probe_resp_interval &&
5390 nl80211_unsol_bcast_probe_resp(bss, msg, ¶ms->ubpr) < 0)
5391 goto fail;
5392
5393 if (nl80211_mbssid(msg, params) < 0)
5394 goto fail;
5395 #endif /* CONFIG_IEEE80211AX */
5396
5397 #ifdef CONFIG_SAE
5398 if (wpa_key_mgmt_sae(params->key_mgmt_suites) &&
5399 nl80211_put_sae_pwe(msg, params->sae_pwe) < 0)
5400 goto fail;
5401 #endif /* CONFIG_SAE */
5402
5403 #ifdef CONFIG_FILS
5404 if (params->fd_max_int && nl80211_fils_discovery(bss, msg, params) < 0)
5405 goto fail;
5406 #endif /* CONFIG_FILS */
5407
5408 if (params->punct_bitmap) {
5409 wpa_printf(MSG_DEBUG, "nl80211: Puncturing bitmap=0x%04x",
5410 params->punct_bitmap);
5411 if (nla_put_u32(msg, NL80211_ATTR_PUNCT_BITMAP,
5412 params->punct_bitmap))
5413 goto fail;
5414 }
5415
5416 #ifdef CONFIG_DRIVER_NL80211_QCA
5417 if (cmd == NL80211_CMD_NEW_BEACON && params->allowed_freqs)
5418 qca_set_allowed_ap_freqs(drv, params->allowed_freqs,
5419 int_array_len(params->allowed_freqs),
5420 params->mld_ap ? params->mld_link_id :
5421 NL80211_DRV_LINK_ID_NA);
5422 #endif /* CONFIG_DRIVER_NL80211_QCA */
5423
5424 if (nla_put_flag(msg, NL80211_ATTR_SOCKET_OWNER))
5425 goto fail;
5426 ret = send_and_recv(drv->global, bss->nl_connect, msg, NULL, NULL, NULL,
5427 NULL, NULL);
5428 if (ret) {
5429 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
5430 ret, strerror(-ret));
5431 } else {
5432 link->beacon_set = 1;
5433 nl80211_set_bss(bss, params->cts_protect, params->preamble,
5434 params->short_slot_time, params->ht_opmode,
5435 params->isolate, params->basic_rates,
5436 params->mld_ap ? params->mld_link_id :
5437 NL80211_DRV_LINK_ID_NA);
5438 nl80211_set_multicast_to_unicast(bss,
5439 params->multicast_to_unicast);
5440 if (beacon_set && params->freq &&
5441 params->freq->bandwidth != link->bandwidth) {
5442 wpa_printf(MSG_DEBUG,
5443 "nl80211: Update BSS %s bandwidth: %d -> %d",
5444 bss->ifname, link->bandwidth,
5445 params->freq->bandwidth);
5446 ret = nl80211_set_channel(bss, params->freq, 1);
5447 if (ret) {
5448 wpa_printf(MSG_DEBUG,
5449 "nl80211: Frequency set failed: %d (%s)",
5450 ret, strerror(-ret));
5451 } else {
5452 wpa_printf(MSG_DEBUG,
5453 "nl80211: Frequency set succeeded for ht2040 coex");
5454 link->bandwidth = params->freq->bandwidth;
5455 }
5456 } else if (!beacon_set && params->freq) {
5457 /*
5458 * cfg80211 updates the driver on frequence change in AP
5459 * mode only at the point when beaconing is started, so
5460 * set the initial value here.
5461 */
5462 link->bandwidth = params->freq->bandwidth;
5463 }
5464 }
5465
5466 #ifdef CONFIG_MESH
5467 if (is_mesh_interface(drv->nlmode) && params->ht_opmode != -1) {
5468 os_memset(&mesh_params, 0, sizeof(mesh_params));
5469 mesh_params.flags |= WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE;
5470 mesh_params.ht_opmode = params->ht_opmode;
5471 ret = nl80211_set_mesh_config(priv, &mesh_params);
5472 if (ret < 0)
5473 return ret;
5474 }
5475 #endif /* CONFIG_MESH */
5476
5477 return ret;
5478 fail:
5479 nlmsg_free(msg);
5480 return ret;
5481 }
5482
5483
nl80211_set_channel(struct i802_bss * bss,struct hostapd_freq_params * freq,int set_chan)5484 static int nl80211_set_channel(struct i802_bss *bss,
5485 struct hostapd_freq_params *freq, int set_chan)
5486 {
5487 struct wpa_driver_nl80211_data *drv = bss->drv;
5488 struct nl_msg *msg;
5489 int ret;
5490
5491 wpa_printf(MSG_DEBUG,
5492 "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, he_enabled=%d, eht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
5493 freq->freq, freq->ht_enabled, freq->vht_enabled,
5494 freq->he_enabled, freq->eht_enabled, freq->bandwidth,
5495 freq->center_freq1, freq->center_freq2);
5496
5497 msg = nl80211_drv_msg(drv, 0, set_chan ? NL80211_CMD_SET_CHANNEL :
5498 NL80211_CMD_SET_WIPHY);
5499 if (!msg || nl80211_put_freq_params(msg, freq) < 0) {
5500 nlmsg_free(msg);
5501 return -1;
5502 }
5503
5504 if (nl80211_link_valid(bss->valid_links, freq->link_id)) {
5505 wpa_printf(MSG_DEBUG, "nl80211: Set link_id=%u for freq",
5506 freq->link_id);
5507
5508 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, freq->link_id)) {
5509 nlmsg_free(msg);
5510 return -ENOBUFS;
5511 }
5512 }
5513
5514 ret = send_and_recv_cmd(drv, msg);
5515 if (ret == 0) {
5516 nl80211_link_set_freq(bss, freq->link_id, freq->freq);
5517 return 0;
5518 }
5519 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
5520 "%d (%s)", freq->freq, ret, strerror(-ret));
5521 return -1;
5522 }
5523
5524
sta_flags_nl80211(int flags)5525 static u32 sta_flags_nl80211(int flags)
5526 {
5527 u32 f = 0;
5528
5529 if (flags & WPA_STA_AUTHORIZED)
5530 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
5531 if (flags & WPA_STA_WMM)
5532 f |= BIT(NL80211_STA_FLAG_WME);
5533 if (flags & WPA_STA_SHORT_PREAMBLE)
5534 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
5535 if (flags & WPA_STA_MFP)
5536 f |= BIT(NL80211_STA_FLAG_MFP);
5537 if (flags & WPA_STA_TDLS_PEER)
5538 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
5539 if (flags & WPA_STA_AUTHENTICATED)
5540 f |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
5541 if (flags & WPA_STA_ASSOCIATED)
5542 f |= BIT(NL80211_STA_FLAG_ASSOCIATED);
5543
5544 return f;
5545 }
5546
5547
5548 #ifdef CONFIG_MESH
sta_plink_state_nl80211(enum mesh_plink_state state)5549 static u32 sta_plink_state_nl80211(enum mesh_plink_state state)
5550 {
5551 switch (state) {
5552 case PLINK_IDLE:
5553 return NL80211_PLINK_LISTEN;
5554 case PLINK_OPN_SNT:
5555 return NL80211_PLINK_OPN_SNT;
5556 case PLINK_OPN_RCVD:
5557 return NL80211_PLINK_OPN_RCVD;
5558 case PLINK_CNF_RCVD:
5559 return NL80211_PLINK_CNF_RCVD;
5560 case PLINK_ESTAB:
5561 return NL80211_PLINK_ESTAB;
5562 case PLINK_HOLDING:
5563 return NL80211_PLINK_HOLDING;
5564 case PLINK_BLOCKED:
5565 return NL80211_PLINK_BLOCKED;
5566 default:
5567 wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d",
5568 state);
5569 }
5570 return -1;
5571 }
5572 #endif /* CONFIG_MESH */
5573
5574
wpa_driver_nl80211_sta_add(void * priv,struct hostapd_sta_add_params * params)5575 static int wpa_driver_nl80211_sta_add(void *priv,
5576 struct hostapd_sta_add_params *params)
5577 {
5578 struct i802_bss *bss = priv;
5579 struct wpa_driver_nl80211_data *drv = bss->drv;
5580 struct nl_msg *msg;
5581 struct nl80211_sta_flag_update upd;
5582 int ret = -ENOBUFS;
5583 u8 cmd;
5584 const char *cmd_string;
5585
5586 if ((params->flags & WPA_STA_TDLS_PEER) &&
5587 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
5588 return -EOPNOTSUPP;
5589
5590 if (params->mld_link_sta) {
5591 cmd = params->set ? NL80211_CMD_MODIFY_LINK_STA :
5592 NL80211_CMD_ADD_LINK_STA;
5593 cmd_string = params->set ? "NL80211_CMD_MODIFY_LINK_STA" :
5594 "NL80211_CMD_ADD_LINK_STA";
5595 } else {
5596 cmd = params->set ? NL80211_CMD_SET_STATION :
5597 NL80211_CMD_NEW_STATION;
5598 cmd_string = params->set ? "NL80211_CMD_SET_STATION" :
5599 "NL80211_CMD_NEW_STATION";
5600 }
5601
5602 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
5603 cmd_string, MAC2STR(params->addr));
5604 msg = nl80211_bss_msg(bss, 0, cmd);
5605 if (!msg)
5606 goto fail;
5607
5608 /*
5609 * Set the below properties only in one of the following cases:
5610 * 1. New station is added, already associated.
5611 * 2. Set WPA_STA_TDLS_PEER station.
5612 * 3. Set an already added unassociated station, if driver supports
5613 * full AP client state. (Set these properties after station became
5614 * associated will be rejected by the driver).
5615 */
5616 if (!params->set || (params->flags & WPA_STA_TDLS_PEER) ||
5617 (params->set && FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
5618 (params->flags & WPA_STA_ASSOCIATED))) {
5619 wpa_hexdump(MSG_DEBUG, " * supported rates",
5620 params->supp_rates, params->supp_rates_len);
5621 wpa_printf(MSG_DEBUG, " * capability=0x%x",
5622 params->capability);
5623 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_RATES,
5624 params->supp_rates_len, params->supp_rates) ||
5625 nla_put_u16(msg, NL80211_ATTR_STA_CAPABILITY,
5626 params->capability))
5627 goto fail;
5628
5629 if (params->ht_capabilities) {
5630 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
5631 (u8 *) params->ht_capabilities,
5632 sizeof(*params->ht_capabilities));
5633 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY,
5634 sizeof(*params->ht_capabilities),
5635 params->ht_capabilities))
5636 goto fail;
5637 }
5638
5639 if (params->vht_capabilities) {
5640 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
5641 (u8 *) params->vht_capabilities,
5642 sizeof(*params->vht_capabilities));
5643 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY,
5644 sizeof(*params->vht_capabilities),
5645 params->vht_capabilities))
5646 goto fail;
5647 }
5648
5649 if (params->he_capab) {
5650 wpa_hexdump(MSG_DEBUG, " * he_capab",
5651 params->he_capab, params->he_capab_len);
5652 if (nla_put(msg, NL80211_ATTR_HE_CAPABILITY,
5653 params->he_capab_len, params->he_capab))
5654 goto fail;
5655 }
5656
5657 if (params->he_6ghz_capab) {
5658 wpa_hexdump(MSG_DEBUG, " * he_6ghz_capab",
5659 params->he_6ghz_capab,
5660 sizeof(*params->he_6ghz_capab));
5661 if (nla_put(msg, NL80211_ATTR_HE_6GHZ_CAPABILITY,
5662 sizeof(*params->he_6ghz_capab),
5663 params->he_6ghz_capab))
5664 goto fail;
5665 }
5666
5667 if (params->eht_capab) {
5668 wpa_hexdump(MSG_DEBUG, " * eht_capab",
5669 params->eht_capab, params->eht_capab_len);
5670 if (nla_put(msg, NL80211_ATTR_EHT_CAPABILITY,
5671 params->eht_capab_len, params->eht_capab))
5672 goto fail;
5673 }
5674
5675 if (params->ext_capab) {
5676 wpa_hexdump(MSG_DEBUG, " * ext_capab",
5677 params->ext_capab, params->ext_capab_len);
5678 if (nla_put(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
5679 params->ext_capab_len, params->ext_capab))
5680 goto fail;
5681 }
5682
5683 if (is_ap_interface(drv->nlmode) &&
5684 nla_put_u8(msg, NL80211_ATTR_STA_SUPPORT_P2P_PS,
5685 params->support_p2p_ps ?
5686 NL80211_P2P_PS_SUPPORTED :
5687 NL80211_P2P_PS_UNSUPPORTED))
5688 goto fail;
5689 }
5690 if (!params->set) {
5691 if (params->aid) {
5692 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
5693 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid))
5694 goto fail;
5695 } else {
5696 /*
5697 * cfg80211 validates that AID is non-zero, so we have
5698 * to make this a non-zero value for the TDLS case where
5699 * a stub STA entry is used for now and for a station
5700 * that is still not associated.
5701 */
5702 wpa_printf(MSG_DEBUG, " * aid=1 (%s workaround)",
5703 (params->flags & WPA_STA_TDLS_PEER) ?
5704 "TDLS" : "UNASSOC_STA");
5705 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, 1))
5706 goto fail;
5707 }
5708 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
5709 params->listen_interval);
5710 if (nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
5711 params->listen_interval))
5712 goto fail;
5713 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
5714 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
5715 if (nla_put_u16(msg, NL80211_ATTR_PEER_AID, params->aid))
5716 goto fail;
5717 } else if (FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
5718 (params->flags & WPA_STA_ASSOCIATED)) {
5719 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
5720 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
5721 params->listen_interval);
5722 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid) ||
5723 nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
5724 params->listen_interval))
5725 goto fail;
5726 }
5727
5728 if (params->vht_opmode_enabled) {
5729 wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode);
5730 if (nla_put_u8(msg, NL80211_ATTR_OPMODE_NOTIF,
5731 params->vht_opmode))
5732 goto fail;
5733 }
5734
5735 if (params->supp_channels) {
5736 wpa_hexdump(MSG_DEBUG, " * supported channels",
5737 params->supp_channels, params->supp_channels_len);
5738 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS,
5739 params->supp_channels_len, params->supp_channels))
5740 goto fail;
5741 }
5742
5743 if (params->supp_oper_classes) {
5744 wpa_hexdump(MSG_DEBUG, " * supported operating classes",
5745 params->supp_oper_classes,
5746 params->supp_oper_classes_len);
5747 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES,
5748 params->supp_oper_classes_len,
5749 params->supp_oper_classes))
5750 goto fail;
5751 }
5752
5753 os_memset(&upd, 0, sizeof(upd));
5754 upd.set = sta_flags_nl80211(params->flags);
5755 upd.mask = upd.set | sta_flags_nl80211(params->flags_mask);
5756
5757 /*
5758 * If the driver doesn't support full AP client state, ignore ASSOC/AUTH
5759 * flags, as nl80211 driver moves a new station, by default, into
5760 * associated state.
5761 *
5762 * On the other hand, if the driver supports that feature and the
5763 * station is added in unauthenticated state, set the
5764 * authenticated/associated bits in the mask to prevent moving this
5765 * station to associated state before it is actually associated.
5766 *
5767 * This is irrelevant for mesh mode where the station is added to the
5768 * driver as authenticated already, and ASSOCIATED isn't part of the
5769 * nl80211 API.
5770 */
5771 if (!is_mesh_interface(drv->nlmode)) {
5772 if (!FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) {
5773 wpa_printf(MSG_DEBUG,
5774 "nl80211: Ignore ASSOC/AUTH flags since driver doesn't support full AP client state");
5775 upd.mask &= ~(BIT(NL80211_STA_FLAG_ASSOCIATED) |
5776 BIT(NL80211_STA_FLAG_AUTHENTICATED));
5777 } else if (!params->set &&
5778 !(params->flags & WPA_STA_TDLS_PEER)) {
5779 if (!(params->flags & WPA_STA_AUTHENTICATED))
5780 upd.mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
5781 if (!(params->flags & WPA_STA_ASSOCIATED))
5782 upd.mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
5783 }
5784 #ifdef CONFIG_MESH
5785 } else {
5786 if (params->plink_state == PLINK_ESTAB && params->peer_aid) {
5787 ret = nla_put_u16(msg, NL80211_ATTR_MESH_PEER_AID,
5788 params->peer_aid);
5789 if (ret)
5790 goto fail;
5791 }
5792 #endif /* CONFIG_MESH */
5793 }
5794
5795 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
5796 upd.set, upd.mask);
5797 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
5798 goto fail;
5799
5800 #ifdef CONFIG_MESH
5801 if (params->plink_state &&
5802 nla_put_u8(msg, NL80211_ATTR_STA_PLINK_STATE,
5803 sta_plink_state_nl80211(params->plink_state)))
5804 goto fail;
5805 #endif /* CONFIG_MESH */
5806
5807 if ((!params->set || (params->flags & WPA_STA_TDLS_PEER) ||
5808 FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) &&
5809 (params->flags & WPA_STA_WMM)) {
5810 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
5811
5812 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
5813 if (!wme ||
5814 nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
5815 params->qosinfo & WMM_QOSINFO_STA_AC_MASK) ||
5816 nla_put_u8(msg, NL80211_STA_WME_MAX_SP,
5817 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
5818 WMM_QOSINFO_STA_SP_MASK))
5819 goto fail;
5820 nla_nest_end(msg, wme);
5821 }
5822
5823 /* In case we are an AP MLD need to always specify the link ID */
5824 if (params->mld_link_id >= 0) {
5825 wpa_printf(MSG_DEBUG, " * mld_link_id=%d",
5826 params->mld_link_id);
5827 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID,
5828 params->mld_link_id))
5829 goto fail;
5830
5831 /*
5832 * If the link address is specified the station is a non-AP MLD
5833 * and thus need to provide the MLD address as the station
5834 * address, and the non-AP MLD link address as the link address.
5835 */
5836 if (params->mld_link_addr) {
5837 wpa_printf(MSG_DEBUG, " * mld_link_addr=" MACSTR,
5838 MAC2STR(params->mld_link_addr));
5839
5840 if (nla_put(msg, NL80211_ATTR_MLD_ADDR,
5841 ETH_ALEN, params->addr) ||
5842 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
5843 params->mld_link_addr))
5844 goto fail;
5845 } else {
5846 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
5847 params->addr))
5848 goto fail;
5849 }
5850 } else {
5851 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr))
5852 goto fail;
5853 }
5854
5855 ret = send_and_recv_cmd(drv, msg);
5856 msg = NULL;
5857 if (ret)
5858 wpa_printf(MSG_DEBUG, "nl80211: %s result: %d (%s)",
5859 cmd_string, ret, strerror(-ret));
5860 if (ret == -EEXIST)
5861 ret = 0;
5862 fail:
5863 nlmsg_free(msg);
5864 return ret;
5865 }
5866
5867
rtnl_neigh_delete_fdb_entry(struct i802_bss * bss,const u8 * addr)5868 static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr)
5869 {
5870 struct wpa_driver_nl80211_data *drv = bss->drv;
5871 struct ndmsg nhdr = {
5872 .ndm_state = NUD_PERMANENT,
5873 .ndm_ifindex = bss->ifindex,
5874 .ndm_family = AF_BRIDGE,
5875 };
5876 struct nl_msg *msg;
5877 int err;
5878
5879 msg = nlmsg_alloc_simple(RTM_DELNEIGH, NLM_F_CREATE);
5880 if (!msg)
5881 return;
5882
5883 if (nlmsg_append(msg, &nhdr, sizeof(nhdr), NLMSG_ALIGNTO) < 0 ||
5884 nla_put(msg, NDA_LLADDR, ETH_ALEN, (void *) addr) ||
5885 nl_send_auto_complete(drv->rtnl_sk, msg) < 0)
5886 goto errout;
5887
5888 err = nl_wait_for_ack(drv->rtnl_sk);
5889 if (err < 0) {
5890 wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for "
5891 MACSTR " ifindex=%d failed: %s", MAC2STR(addr),
5892 bss->ifindex, nl_geterror(err));
5893 } else {
5894 wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for "
5895 MACSTR, MAC2STR(addr));
5896 }
5897
5898 errout:
5899 nlmsg_free(msg);
5900 }
5901
5902
wpa_driver_nl80211_sta_remove(struct i802_bss * bss,const u8 * addr,int deauth,u16 reason_code)5903 static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr,
5904 int deauth, u16 reason_code)
5905 {
5906 struct wpa_driver_nl80211_data *drv = bss->drv;
5907 struct nl_msg *msg;
5908 int ret;
5909
5910 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) ||
5911 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
5912 (deauth == 0 &&
5913 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
5914 WLAN_FC_STYPE_DISASSOC)) ||
5915 (deauth == 1 &&
5916 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
5917 WLAN_FC_STYPE_DEAUTH)) ||
5918 (reason_code &&
5919 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) {
5920 nlmsg_free(msg);
5921 return -ENOBUFS;
5922 }
5923
5924 ret = send_and_recv_cmd(drv, msg);
5925 wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
5926 " --> %d (%s)",
5927 bss->ifname, MAC2STR(addr), ret, strerror(-ret));
5928
5929 if (drv->rtnl_sk)
5930 rtnl_neigh_delete_fdb_entry(bss, addr);
5931
5932 if (ret == -ENOENT)
5933 return 0;
5934 return ret;
5935 }
5936
5937
nl80211_remove_iface(struct wpa_driver_nl80211_data * drv,int ifidx)5938 void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx)
5939 {
5940 struct nl_msg *msg;
5941 struct wpa_driver_nl80211_data *drv2;
5942
5943 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
5944
5945 /* stop listening for EAPOL on this interface */
5946 dl_list_for_each(drv2, &drv->global->interfaces,
5947 struct wpa_driver_nl80211_data, list)
5948 {
5949 del_ifidx(drv2, ifidx, IFIDX_ANY);
5950 /* Remove all bridges learned for this iface */
5951 del_ifidx(drv2, IFIDX_ANY, ifidx);
5952 }
5953
5954 msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE);
5955 if (send_and_recv_cmd(drv, msg) == 0)
5956 return;
5957 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
5958 }
5959
5960
nl80211_iftype_str(enum nl80211_iftype mode)5961 const char * nl80211_iftype_str(enum nl80211_iftype mode)
5962 {
5963 switch (mode) {
5964 case NL80211_IFTYPE_ADHOC:
5965 return "ADHOC";
5966 case NL80211_IFTYPE_STATION:
5967 return "STATION";
5968 case NL80211_IFTYPE_AP:
5969 return "AP";
5970 case NL80211_IFTYPE_AP_VLAN:
5971 return "AP_VLAN";
5972 case NL80211_IFTYPE_WDS:
5973 return "WDS";
5974 case NL80211_IFTYPE_MONITOR:
5975 return "MONITOR";
5976 case NL80211_IFTYPE_MESH_POINT:
5977 return "MESH_POINT";
5978 case NL80211_IFTYPE_P2P_CLIENT:
5979 return "P2P_CLIENT";
5980 case NL80211_IFTYPE_P2P_GO:
5981 return "P2P_GO";
5982 case NL80211_IFTYPE_P2P_DEVICE:
5983 return "P2P_DEVICE";
5984 case NL80211_IFTYPE_OCB:
5985 return "OCB";
5986 case NL80211_IFTYPE_NAN:
5987 return "NAN";
5988 default:
5989 return "unknown";
5990 }
5991 }
5992
5993
nl80211_create_iface_once(struct wpa_driver_nl80211_data * drv,const char * ifname,enum nl80211_iftype iftype,const u8 * addr,int wds,int (* handler)(struct nl_msg *,void *),void * arg)5994 static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
5995 const char *ifname,
5996 enum nl80211_iftype iftype,
5997 const u8 *addr, int wds,
5998 int (*handler)(struct nl_msg *, void *),
5999 void *arg)
6000 {
6001 struct nl_msg *msg;
6002 int ifidx;
6003 int ret = -ENOBUFS;
6004
6005 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
6006 iftype, nl80211_iftype_str(iftype));
6007
6008 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_NEW_INTERFACE);
6009 if (!msg ||
6010 nla_put_string(msg, NL80211_ATTR_IFNAME, ifname) ||
6011 nla_put_u32(msg, NL80211_ATTR_IFTYPE, iftype))
6012 goto fail;
6013
6014 if (iftype == NL80211_IFTYPE_MONITOR) {
6015 struct nlattr *flags;
6016
6017 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
6018 if (!flags ||
6019 nla_put_flag(msg, NL80211_MNTR_FLAG_COOK_FRAMES))
6020 goto fail;
6021
6022 nla_nest_end(msg, flags);
6023 } else if (wds) {
6024 if (nla_put_u8(msg, NL80211_ATTR_4ADDR, wds))
6025 goto fail;
6026 }
6027
6028 /*
6029 * Tell cfg80211 that the interface belongs to the socket that created
6030 * it, and the interface should be deleted when the socket is closed.
6031 */
6032 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
6033 goto fail;
6034
6035 if ((addr && iftype == NL80211_IFTYPE_P2P_DEVICE) &&
6036 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
6037 goto fail;
6038
6039 ret = send_and_recv_resp(drv, msg, handler, arg);
6040 msg = NULL;
6041 if (ret) {
6042 fail:
6043 nlmsg_free(msg);
6044 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
6045 ifname, ret, strerror(-ret));
6046 return ret;
6047 }
6048
6049 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
6050 return 0;
6051
6052 ifidx = if_nametoindex(ifname);
6053 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
6054 ifname, ifidx);
6055
6056 if (ifidx <= 0)
6057 return -1;
6058
6059 /*
6060 * Some virtual interfaces need to process EAPOL packets and events on
6061 * the parent interface. This is used mainly with hostapd.
6062 */
6063 if (drv->hostapd ||
6064 iftype == NL80211_IFTYPE_AP_VLAN ||
6065 iftype == NL80211_IFTYPE_WDS ||
6066 iftype == NL80211_IFTYPE_MONITOR) {
6067 /* start listening for EAPOL on this interface */
6068 add_ifidx(drv, ifidx, IFIDX_ANY);
6069 }
6070
6071 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
6072 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
6073 nl80211_remove_iface(drv, ifidx);
6074 return -1;
6075 }
6076
6077 return ifidx;
6078 }
6079
6080
nl80211_create_iface(struct wpa_driver_nl80211_data * drv,const char * ifname,enum nl80211_iftype iftype,const u8 * addr,int wds,int (* handler)(struct nl_msg *,void *),void * arg,int use_existing)6081 int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
6082 const char *ifname, enum nl80211_iftype iftype,
6083 const u8 *addr, int wds,
6084 int (*handler)(struct nl_msg *, void *),
6085 void *arg, int use_existing)
6086 {
6087 int ret;
6088
6089 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
6090 arg);
6091
6092 /* if error occurred and interface exists already */
6093 if (ret == -ENFILE && if_nametoindex(ifname)) {
6094 if (use_existing) {
6095 wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s",
6096 ifname);
6097 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
6098 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
6099 addr) < 0 &&
6100 (linux_set_iface_flags(drv->global->ioctl_sock,
6101 ifname, 0) < 0 ||
6102 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
6103 addr) < 0 ||
6104 linux_set_iface_flags(drv->global->ioctl_sock,
6105 ifname, 1) < 0))
6106 return -1;
6107 return -ENFILE;
6108 }
6109 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
6110
6111 /* Try to remove the interface that was already there. */
6112 nl80211_remove_iface(drv, if_nametoindex(ifname));
6113
6114 /* Try to create the interface again */
6115 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
6116 wds, handler, arg);
6117 }
6118
6119 if (ret >= 0 && is_p2p_net_interface(iftype)) {
6120 wpa_printf(MSG_DEBUG,
6121 "nl80211: Interface %s created for P2P - disable 11b rates",
6122 ifname);
6123 nl80211_disable_11b_rates(drv, ret, 1);
6124 }
6125
6126 return ret;
6127 }
6128
6129
nl80211_setup_ap(struct i802_bss * bss)6130 static int nl80211_setup_ap(struct i802_bss *bss)
6131 {
6132 struct wpa_driver_nl80211_data *drv = bss->drv;
6133
6134 wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
6135 bss->ifname, drv->device_ap_sme, drv->use_monitor);
6136
6137 /*
6138 * Disable Probe Request reporting unless we need it in this way for
6139 * devices that include the AP SME, in the other case (unless using
6140 * monitor iface) we'll get it through the nl_mgmt socket instead.
6141 */
6142 if (!drv->device_ap_sme)
6143 wpa_driver_nl80211_probe_req_report(bss, 0);
6144
6145 if (!drv->device_ap_sme && !drv->use_monitor)
6146 if (nl80211_mgmt_subscribe_ap(bss))
6147 return -1;
6148
6149 if (drv->device_ap_sme && !drv->use_monitor)
6150 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
6151 wpa_printf(MSG_DEBUG,
6152 "nl80211: Failed to subscribe for mgmt frames from SME driver - trying to run without it");
6153
6154 if (!drv->device_ap_sme && drv->use_monitor &&
6155 nl80211_create_monitor_interface(drv) &&
6156 !drv->device_ap_sme)
6157 return -1;
6158
6159 if (drv->device_ap_sme &&
6160 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
6161 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
6162 "Probe Request frame reporting in AP mode");
6163 /* Try to survive without this */
6164 }
6165
6166 return 0;
6167 }
6168
6169
nl80211_teardown_ap(struct i802_bss * bss)6170 static void nl80211_teardown_ap(struct i802_bss *bss)
6171 {
6172 struct wpa_driver_nl80211_data *drv = bss->drv;
6173
6174 wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
6175 bss->ifname, drv->device_ap_sme, drv->use_monitor);
6176 if (drv->device_ap_sme) {
6177 wpa_driver_nl80211_probe_req_report(bss, 0);
6178 if (!drv->use_monitor)
6179 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
6180 } else if (drv->use_monitor)
6181 nl80211_remove_monitor_interface(drv);
6182 else
6183 nl80211_mgmt_unsubscribe(bss, "AP teardown");
6184
6185 nl80211_put_wiphy_data_ap(bss);
6186 if (bss->flink)
6187 bss->flink->beacon_set = 0;
6188 }
6189
6190
nl80211_tx_control_port(void * priv,const u8 * dest,u16 proto,const u8 * buf,size_t len,int no_encrypt,int link_id)6191 static int nl80211_tx_control_port(void *priv, const u8 *dest,
6192 u16 proto, const u8 *buf, size_t len,
6193 int no_encrypt, int link_id)
6194 {
6195 struct nl80211_ack_ext_arg ext_arg;
6196 struct i802_bss *bss = priv;
6197 struct nl_msg *msg;
6198 u64 cookie = 0;
6199 int ret;
6200
6201 wpa_printf(MSG_DEBUG,
6202 "nl80211: Send over control port dest=" MACSTR
6203 " proto=0x%04x len=%u no_encrypt=%d",
6204 MAC2STR(dest), proto, (unsigned int) len, no_encrypt);
6205
6206 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CONTROL_PORT_FRAME);
6207 if (!msg ||
6208 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
6209 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dest) ||
6210 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
6211 (no_encrypt &&
6212 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)) ||
6213 (link_id != NL80211_DRV_LINK_ID_NA &&
6214 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))) {
6215 nlmsg_free(msg);
6216 return -ENOBUFS;
6217 }
6218
6219 os_memset(&ext_arg, 0, sizeof(struct nl80211_ack_ext_arg));
6220 ext_arg.ext_data = &cookie;
6221 ret = send_and_recv(bss->drv->global, bss->drv->global->nl, msg,
6222 NULL, NULL, ack_handler_cookie, &ext_arg, NULL);
6223 if (ret) {
6224 wpa_printf(MSG_DEBUG,
6225 "nl80211: tx_control_port failed: ret=%d (%s)",
6226 ret, strerror(-ret));
6227 } else {
6228 struct wpa_driver_nl80211_data *drv = bss->drv;
6229
6230 wpa_printf(MSG_DEBUG,
6231 "nl80211: tx_control_port cookie=0x%llx",
6232 (long long unsigned int) cookie);
6233 drv->eapol_tx_cookie = cookie;
6234 drv->eapol_tx_link_id = link_id;
6235 }
6236
6237 return ret;
6238 }
6239
6240
nl80211_send_eapol_data(struct i802_bss * bss,const u8 * addr,const u8 * data,size_t data_len)6241 static int nl80211_send_eapol_data(struct i802_bss *bss,
6242 const u8 *addr, const u8 *data,
6243 size_t data_len)
6244 {
6245 struct sockaddr_ll ll;
6246 int ret;
6247
6248 if (bss->drv->eapol_tx_sock < 0) {
6249 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
6250 return -1;
6251 }
6252
6253 os_memset(&ll, 0, sizeof(ll));
6254 ll.sll_family = AF_PACKET;
6255 ll.sll_ifindex = bss->ifindex;
6256 ll.sll_protocol = htons(ETH_P_PAE);
6257 ll.sll_halen = ETH_ALEN;
6258 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
6259 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
6260 (struct sockaddr *) &ll, sizeof(ll));
6261 if (ret < 0)
6262 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
6263 strerror(errno));
6264
6265 return ret;
6266 }
6267
6268
6269 static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
6270
wpa_driver_nl80211_hapd_send_eapol(void * priv,const u8 * addr,const u8 * data,size_t data_len,int encrypt,const u8 * own_addr,u32 flags,int link_id)6271 static int wpa_driver_nl80211_hapd_send_eapol(
6272 void *priv, const u8 *addr, const u8 *data,
6273 size_t data_len, int encrypt, const u8 *own_addr, u32 flags,
6274 int link_id)
6275 {
6276 struct i802_bss *bss = priv;
6277 struct wpa_driver_nl80211_data *drv = bss->drv;
6278 struct ieee80211_hdr *hdr;
6279 size_t len;
6280 u8 *pos;
6281 int res;
6282 int qos = flags & WPA_STA_WMM;
6283
6284 /* For now, disable EAPOL TX over control port in AP mode by default
6285 * since it does not provide TX status notifications. */
6286 if (drv->control_port_ap &&
6287 (drv->capa.flags & WPA_DRIVER_FLAGS_CONTROL_PORT))
6288 return nl80211_tx_control_port(bss, addr, ETH_P_EAPOL,
6289 data, data_len, !encrypt,
6290 link_id);
6291
6292 if (drv->device_ap_sme || !drv->use_monitor)
6293 return nl80211_send_eapol_data(bss, addr, data, data_len);
6294
6295 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
6296 data_len;
6297 hdr = os_zalloc(len);
6298 if (hdr == NULL) {
6299 wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
6300 (unsigned long) len);
6301 return -1;
6302 }
6303
6304 hdr->frame_control =
6305 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
6306 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
6307 if (encrypt)
6308 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
6309 if (qos) {
6310 hdr->frame_control |=
6311 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
6312 }
6313
6314 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
6315 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
6316 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
6317 pos = (u8 *) (hdr + 1);
6318
6319 if (qos) {
6320 /* Set highest priority in QoS header */
6321 pos[0] = 7;
6322 pos[1] = 0;
6323 pos += 2;
6324 }
6325
6326 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
6327 pos += sizeof(rfc1042_header);
6328 WPA_PUT_BE16(pos, ETH_P_PAE);
6329 pos += 2;
6330 memcpy(pos, data, data_len);
6331
6332 res = nl80211_send_monitor(drv, hdr, len, encrypt, 0);
6333 if (res < 0) {
6334 wpa_printf(MSG_ERROR,
6335 "hapd_send_eapol - packet len: %lu - failed",
6336 (unsigned long) len);
6337 }
6338 os_free(hdr);
6339
6340 return res;
6341 }
6342
6343
wpa_driver_nl80211_sta_set_flags(void * priv,const u8 * addr,unsigned int total_flags,unsigned int flags_or,unsigned int flags_and)6344 static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
6345 unsigned int total_flags,
6346 unsigned int flags_or,
6347 unsigned int flags_and)
6348 {
6349 struct i802_bss *bss = priv;
6350 struct nl_msg *msg;
6351 struct nlattr *flags;
6352 struct nl80211_sta_flag_update upd;
6353
6354 wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR
6355 " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d",
6356 bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and,
6357 !!(total_flags & WPA_STA_AUTHORIZED));
6358
6359 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
6360 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
6361 goto fail;
6362
6363 /*
6364 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
6365 * can be removed eventually.
6366 */
6367 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
6368 if (!flags ||
6369 ((total_flags & WPA_STA_AUTHORIZED) &&
6370 nla_put_flag(msg, NL80211_STA_FLAG_AUTHORIZED)) ||
6371 ((total_flags & WPA_STA_WMM) &&
6372 nla_put_flag(msg, NL80211_STA_FLAG_WME)) ||
6373 ((total_flags & WPA_STA_SHORT_PREAMBLE) &&
6374 nla_put_flag(msg, NL80211_STA_FLAG_SHORT_PREAMBLE)) ||
6375 ((total_flags & WPA_STA_MFP) &&
6376 nla_put_flag(msg, NL80211_STA_FLAG_MFP)) ||
6377 ((total_flags & WPA_STA_TDLS_PEER) &&
6378 nla_put_flag(msg, NL80211_STA_FLAG_TDLS_PEER)))
6379 goto fail;
6380
6381 nla_nest_end(msg, flags);
6382
6383 os_memset(&upd, 0, sizeof(upd));
6384 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
6385 upd.set = sta_flags_nl80211(flags_or);
6386 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
6387 goto fail;
6388
6389 return send_and_recv_cmd(bss->drv, msg);
6390 fail:
6391 nlmsg_free(msg);
6392 return -ENOBUFS;
6393 }
6394
6395
driver_nl80211_sta_set_airtime_weight(void * priv,const u8 * addr,unsigned int weight)6396 static int driver_nl80211_sta_set_airtime_weight(void *priv, const u8 *addr,
6397 unsigned int weight)
6398 {
6399 struct i802_bss *bss = priv;
6400 struct nl_msg *msg;
6401 int ret;
6402
6403 wpa_printf(MSG_DEBUG,
6404 "nl80211: Set STA airtime weight - ifname=%s addr=" MACSTR
6405 " weight=%u", bss->ifname, MAC2STR(addr), weight);
6406
6407 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
6408 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
6409 nla_put_u16(msg, NL80211_ATTR_AIRTIME_WEIGHT, weight))
6410 goto fail;
6411
6412 ret = send_and_recv_cmd(bss->drv, msg);
6413 if (ret) {
6414 wpa_printf(MSG_DEBUG,
6415 "nl80211: SET_STATION[AIRTIME_WEIGHT] failed: ret=%d (%s)",
6416 ret, strerror(-ret));
6417 }
6418 return ret;
6419 fail:
6420 nlmsg_free(msg);
6421 return -ENOBUFS;
6422 }
6423
6424
wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data * drv,struct wpa_driver_associate_params * params)6425 static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
6426 struct wpa_driver_associate_params *params)
6427 {
6428 enum nl80211_iftype nlmode, old_mode;
6429
6430 if (params->p2p) {
6431 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
6432 "group (GO)");
6433 nlmode = NL80211_IFTYPE_P2P_GO;
6434 } else
6435 nlmode = NL80211_IFTYPE_AP;
6436
6437 old_mode = drv->nlmode;
6438 if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) {
6439 nl80211_remove_monitor_interface(drv);
6440 return -1;
6441 }
6442
6443 if (params->freq.freq &&
6444 nl80211_set_channel(drv->first_bss, ¶ms->freq, 0)) {
6445 if (old_mode != nlmode)
6446 wpa_driver_nl80211_set_mode(drv->first_bss, old_mode);
6447 nl80211_remove_monitor_interface(drv);
6448 return -1;
6449 }
6450
6451 return 0;
6452 }
6453
6454
nl80211_leave_ibss(struct wpa_driver_nl80211_data * drv,int reset_mode)6455 static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
6456 int reset_mode)
6457 {
6458 struct nl_msg *msg;
6459 int ret;
6460
6461 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS);
6462 ret = send_and_recv(drv->global, drv->first_bss->nl_connect, msg, NULL,
6463 NULL, NULL, NULL, NULL);
6464 if (ret) {
6465 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
6466 "(%s)", ret, strerror(-ret));
6467 } else {
6468 wpa_printf(MSG_DEBUG,
6469 "nl80211: Leave IBSS request sent successfully");
6470 }
6471
6472 if (reset_mode &&
6473 wpa_driver_nl80211_set_mode(drv->first_bss,
6474 NL80211_IFTYPE_STATION)) {
6475 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
6476 "station mode");
6477 }
6478
6479 return ret;
6480 }
6481
6482
nl80211_ht_vht_overrides(struct nl_msg * msg,struct wpa_driver_associate_params * params)6483 static int nl80211_ht_vht_overrides(struct nl_msg *msg,
6484 struct wpa_driver_associate_params *params)
6485 {
6486 if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT))
6487 return -1;
6488
6489 if (params->htcaps && params->htcaps_mask) {
6490 int sz = sizeof(struct ieee80211_ht_capabilities);
6491 wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz);
6492 wpa_hexdump(MSG_DEBUG, " * htcaps_mask",
6493 params->htcaps_mask, sz);
6494 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz,
6495 params->htcaps) ||
6496 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
6497 params->htcaps_mask))
6498 return -1;
6499 }
6500
6501 #ifdef CONFIG_VHT_OVERRIDES
6502 if (params->disable_vht) {
6503 wpa_printf(MSG_DEBUG, " * VHT disabled");
6504 if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT))
6505 return -1;
6506 }
6507
6508 if (params->vhtcaps && params->vhtcaps_mask) {
6509 int sz = sizeof(struct ieee80211_vht_capabilities);
6510 wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz);
6511 wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask",
6512 params->vhtcaps_mask, sz);
6513 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz,
6514 params->vhtcaps) ||
6515 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
6516 params->vhtcaps_mask))
6517 return -1;
6518 }
6519 #endif /* CONFIG_VHT_OVERRIDES */
6520
6521 #ifdef CONFIG_HE_OVERRIDES
6522 if (params->disable_he) {
6523 wpa_printf(MSG_DEBUG, " * HE disabled");
6524 if (nla_put_flag(msg, NL80211_ATTR_DISABLE_HE))
6525 return -1;
6526 }
6527 #endif /* CONFIG_HE_OVERRIDES */
6528
6529 if (params->disable_eht) {
6530 wpa_printf(MSG_DEBUG, " * EHT disabled");
6531 if (nla_put_flag(msg, NL80211_ATTR_DISABLE_EHT))
6532 return -1;
6533 }
6534
6535 return 0;
6536 }
6537
6538
wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data * drv,struct wpa_driver_associate_params * params)6539 static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
6540 struct wpa_driver_associate_params *params)
6541 {
6542 struct nl_msg *msg;
6543 int ret = -1;
6544 int count = 0;
6545
6546 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
6547
6548 if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, ¶ms->freq)) {
6549 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
6550 "IBSS mode");
6551 return -1;
6552 }
6553
6554 retry:
6555 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_IBSS)) ||
6556 params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
6557 goto fail;
6558
6559 wpa_printf(MSG_DEBUG, " * SSID=%s",
6560 wpa_ssid_txt(params->ssid, params->ssid_len));
6561 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
6562 goto fail;
6563 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
6564 drv->ssid_len = params->ssid_len;
6565
6566 if (nl80211_put_freq_params(msg, ¶ms->freq) < 0 ||
6567 nl80211_put_beacon_int(msg, params->beacon_int))
6568 goto fail;
6569
6570 ret = nl80211_set_conn_keys(params, msg);
6571 if (ret)
6572 goto fail;
6573
6574 if (params->bssid && params->fixed_bssid) {
6575 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
6576 MAC2STR(params->bssid));
6577 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
6578 goto fail;
6579 }
6580
6581 if (params->fixed_freq) {
6582 wpa_printf(MSG_DEBUG, " * fixed_freq");
6583 if (nla_put_flag(msg, NL80211_ATTR_FREQ_FIXED))
6584 goto fail;
6585 }
6586
6587 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
6588 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
6589 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
6590 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
6591 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA384) {
6592 wpa_printf(MSG_DEBUG, " * control port");
6593 if (nl80211_put_control_port(drv, msg))
6594 goto fail;
6595 }
6596
6597 if (params->wpa_ie) {
6598 wpa_hexdump(MSG_DEBUG,
6599 " * Extra IEs for Beacon/Probe Response frames",
6600 params->wpa_ie, params->wpa_ie_len);
6601 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
6602 params->wpa_ie))
6603 goto fail;
6604 }
6605
6606 ret = nl80211_ht_vht_overrides(msg, params);
6607 if (ret < 0)
6608 goto fail;
6609
6610 if (nla_put_flag(msg, NL80211_ATTR_SOCKET_OWNER))
6611 goto fail;
6612 ret = send_and_recv(drv->global, drv->first_bss->nl_connect, msg, NULL,
6613 NULL, NULL, NULL, NULL);
6614 msg = NULL;
6615 if (ret) {
6616 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
6617 ret, strerror(-ret));
6618 count++;
6619 if (ret == -EALREADY && count == 1) {
6620 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
6621 "forced leave");
6622 nl80211_leave_ibss(drv, 0);
6623 nlmsg_free(msg);
6624 goto retry;
6625 }
6626 } else {
6627 wpa_printf(MSG_DEBUG,
6628 "nl80211: Join IBSS request sent successfully");
6629 }
6630
6631 fail:
6632 nlmsg_free(msg);
6633 return ret;
6634 }
6635
6636
nl80211_put_fils_connect_params(struct wpa_driver_nl80211_data * drv,struct wpa_driver_associate_params * params,struct nl_msg * msg)6637 static int nl80211_put_fils_connect_params(struct wpa_driver_nl80211_data *drv,
6638 struct wpa_driver_associate_params *params,
6639 struct nl_msg *msg)
6640 {
6641 if (params->fils_erp_username_len) {
6642 wpa_hexdump_ascii(MSG_DEBUG, " * FILS ERP EMSKname/username",
6643 params->fils_erp_username,
6644 params->fils_erp_username_len);
6645 if (nla_put(msg, NL80211_ATTR_FILS_ERP_USERNAME,
6646 params->fils_erp_username_len,
6647 params->fils_erp_username))
6648 return -1;
6649 }
6650
6651 if (params->fils_erp_realm_len) {
6652 wpa_hexdump_ascii(MSG_DEBUG, " * FILS ERP Realm",
6653 params->fils_erp_realm,
6654 params->fils_erp_realm_len);
6655 if (nla_put(msg, NL80211_ATTR_FILS_ERP_REALM,
6656 params->fils_erp_realm_len, params->fils_erp_realm))
6657 return -1;
6658 }
6659
6660 if (params->fils_erp_rrk_len) {
6661 wpa_printf(MSG_DEBUG, " * FILS ERP next seq %u",
6662 params->fils_erp_next_seq_num);
6663 if (nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
6664 params->fils_erp_next_seq_num))
6665 return -1;
6666
6667 wpa_printf(MSG_DEBUG, " * FILS ERP rRK (len=%lu)",
6668 (unsigned long) params->fils_erp_rrk_len);
6669 if (nla_put(msg, NL80211_ATTR_FILS_ERP_RRK,
6670 params->fils_erp_rrk_len, params->fils_erp_rrk))
6671 return -1;
6672 }
6673
6674 return 0;
6675 }
6676
6677
num_bits_set(u32 val)6678 static unsigned int num_bits_set(u32 val)
6679 {
6680 unsigned int c;
6681
6682 for (c = 0; val; c++)
6683 val &= val - 1;
6684
6685 return c;
6686 }
6687
6688
nl80211_connect_common(struct wpa_driver_nl80211_data * drv,struct wpa_driver_associate_params * params,struct nl_msg * msg)6689 static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
6690 struct wpa_driver_associate_params *params,
6691 struct nl_msg *msg)
6692 {
6693 if (params->mld_params.mld_addr && params->mld_params.valid_links > 0) {
6694 struct wpa_driver_mld_params *mld_params = ¶ms->mld_params;
6695 struct nlattr *links, *attr;
6696 u8 link_id;
6697
6698 wpa_printf(MSG_DEBUG, " * MLD: MLD addr=" MACSTR,
6699 MAC2STR(mld_params->mld_addr));
6700
6701 if (nla_put(msg, NL80211_ATTR_MLD_ADDR, ETH_ALEN,
6702 mld_params->mld_addr) ||
6703 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID,
6704 mld_params->assoc_link_id))
6705 return -1;
6706
6707 links = nla_nest_start(msg, NL80211_ATTR_MLO_LINKS);
6708 if (!links)
6709 return -1;
6710
6711 for_each_link(mld_params->valid_links, link_id) {
6712 attr = nla_nest_start(msg, 0);
6713 if (!attr)
6714 return -1;
6715
6716 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID,
6717 link_id) ||
6718 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
6719 mld_params->mld_links[link_id].bssid) ||
6720 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
6721 mld_params->mld_links[link_id].freq) ||
6722 (mld_params->mld_links[link_id].disabled &&
6723 nla_put_flag(msg,
6724 NL80211_ATTR_MLO_LINK_DISABLED)) ||
6725 (mld_params->mld_links[link_id].ies &&
6726 mld_params->mld_links[link_id].ies_len &&
6727 nla_put(msg, NL80211_ATTR_IE,
6728 mld_params->mld_links[link_id].ies_len,
6729 mld_params->mld_links[link_id].ies)))
6730 return -1;
6731
6732 os_memcpy(drv->sta_mlo_info.links[link_id].bssid,
6733 mld_params->mld_links[link_id].bssid,
6734 ETH_ALEN);
6735 nla_nest_end(msg, attr);
6736 }
6737
6738 nla_nest_end(msg, links);
6739
6740 os_memcpy(drv->sta_mlo_info.ap_mld_addr,
6741 params->mld_params.mld_addr, ETH_ALEN);
6742 drv->sta_mlo_info.assoc_link_id = mld_params->assoc_link_id;
6743 drv->sta_mlo_info.req_links = mld_params->valid_links;
6744 }
6745
6746 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
6747 return -1;
6748
6749 if (params->bssid && !params->mld_params.mld_addr) {
6750 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
6751 MAC2STR(params->bssid));
6752 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
6753 return -1;
6754 }
6755
6756 if (params->bssid_hint) {
6757 wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR,
6758 MAC2STR(params->bssid_hint));
6759 if (nla_put(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN,
6760 params->bssid_hint))
6761 return -1;
6762 }
6763
6764 if (params->freq.freq && !params->mld_params.mld_addr) {
6765 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
6766 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
6767 params->freq.freq))
6768 return -1;
6769 drv->assoc_freq = params->freq.freq;
6770 } else
6771 drv->assoc_freq = 0;
6772
6773 if (params->freq_hint) {
6774 wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint);
6775 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_HINT,
6776 params->freq_hint))
6777 return -1;
6778 }
6779
6780 if (params->freq.edmg.channels && params->freq.edmg.bw_config) {
6781 wpa_printf(MSG_DEBUG,
6782 " * EDMG configuration: channels=0x%x bw_config=%d",
6783 params->freq.edmg.channels,
6784 params->freq.edmg.bw_config);
6785 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_CHANNELS,
6786 params->freq.edmg.channels) ||
6787 nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_BW_CONFIG,
6788 params->freq.edmg.bw_config))
6789 return -1;
6790 }
6791
6792 if (params->bg_scan_period >= 0) {
6793 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
6794 params->bg_scan_period);
6795 if (nla_put_u16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
6796 params->bg_scan_period))
6797 return -1;
6798 }
6799
6800 if (params->ssid) {
6801 wpa_printf(MSG_DEBUG, " * SSID=%s",
6802 wpa_ssid_txt(params->ssid, params->ssid_len));
6803 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
6804 params->ssid))
6805 return -1;
6806 if (params->ssid_len > sizeof(drv->ssid))
6807 return -1;
6808 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
6809 drv->ssid_len = params->ssid_len;
6810 }
6811
6812 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
6813 if (params->wpa_ie &&
6814 nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie))
6815 return -1;
6816
6817 if (params->wpa_proto) {
6818 enum nl80211_wpa_versions ver = 0;
6819
6820 if (params->wpa_proto & WPA_PROTO_WPA)
6821 ver |= NL80211_WPA_VERSION_1;
6822 if (params->wpa_proto & WPA_PROTO_RSN) {
6823 /*
6824 * NL80211_ATTR_SAE_PASSWORD is related and was added
6825 * at the same time as NL80211_WPA_VERSION_3.
6826 */
6827 if (nl80211_attr_supported(drv,
6828 NL80211_ATTR_SAE_PASSWORD) &&
6829 wpa_key_mgmt_sae(params->key_mgmt_suite))
6830 ver |= NL80211_WPA_VERSION_3;
6831 else
6832 ver |= NL80211_WPA_VERSION_2;
6833 }
6834
6835 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
6836 if (nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
6837 return -1;
6838 }
6839
6840 if (params->pairwise_suite != WPA_CIPHER_NONE) {
6841 u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite);
6842 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
6843 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
6844 cipher))
6845 return -1;
6846 }
6847
6848 if (params->group_suite == WPA_CIPHER_GTK_NOT_USED &&
6849 !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) {
6850 /*
6851 * This is likely to work even though many drivers do not
6852 * advertise support for operations without GTK.
6853 */
6854 wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
6855 } else if (params->group_suite != WPA_CIPHER_NONE) {
6856 u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite);
6857 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
6858 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher))
6859 return -1;
6860 }
6861
6862 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
6863 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
6864 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X ||
6865 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK ||
6866 params->key_mgmt_suite == WPA_KEY_MGMT_CCKM ||
6867 params->key_mgmt_suite == WPA_KEY_MGMT_OSEN ||
6868 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
6869 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
6870 params->key_mgmt_suite == WPA_KEY_MGMT_SAE ||
6871 params->key_mgmt_suite == WPA_KEY_MGMT_SAE_EXT_KEY ||
6872 params->key_mgmt_suite == WPA_KEY_MGMT_FT_SAE ||
6873 params->key_mgmt_suite == WPA_KEY_MGMT_FT_SAE_EXT_KEY ||
6874 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B ||
6875 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192 ||
6876 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X_SHA384 ||
6877 params->key_mgmt_suite == WPA_KEY_MGMT_FILS_SHA256 ||
6878 params->key_mgmt_suite == WPA_KEY_MGMT_FILS_SHA384 ||
6879 params->key_mgmt_suite == WPA_KEY_MGMT_FT_FILS_SHA256 ||
6880 params->key_mgmt_suite == WPA_KEY_MGMT_FT_FILS_SHA384 ||
6881 params->key_mgmt_suite == WPA_KEY_MGMT_OWE ||
6882 params->key_mgmt_suite == WPA_KEY_MGMT_DPP ||
6883 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA384) {
6884 u32 *mgmt;
6885 unsigned int akm_count = 1, i;
6886
6887 /*
6888 * Make sure the driver has capability to handle default AKM in
6889 * key_mgmt_suite plus allowed AKMs in allowed_key_mgmts.
6890 */
6891 if (drv->capa.max_num_akms <=
6892 num_bits_set(params->allowed_key_mgmts)) {
6893 wpa_printf(MSG_INFO,
6894 "nl80211: Not enough support for the allowed AKMs (max_num_akms=%u <= num_bits_set=%u)",
6895 drv->capa.max_num_akms,
6896 num_bits_set(params->allowed_key_mgmts));
6897 return -1;
6898 }
6899
6900 mgmt = os_malloc(sizeof(u32) * drv->capa.max_num_akms);
6901 if (!mgmt)
6902 return -1;
6903
6904 mgmt[0] = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
6905
6906 switch (params->key_mgmt_suite) {
6907 case WPA_KEY_MGMT_CCKM:
6908 mgmt[0] = RSN_AUTH_KEY_MGMT_CCKM;
6909 break;
6910 case WPA_KEY_MGMT_IEEE8021X:
6911 mgmt[0] = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X;
6912 break;
6913 case WPA_KEY_MGMT_FT_IEEE8021X:
6914 mgmt[0] = RSN_AUTH_KEY_MGMT_FT_802_1X;
6915 break;
6916 case WPA_KEY_MGMT_FT_PSK:
6917 mgmt[0] = RSN_AUTH_KEY_MGMT_FT_PSK;
6918 break;
6919 case WPA_KEY_MGMT_IEEE8021X_SHA256:
6920 mgmt[0] = RSN_AUTH_KEY_MGMT_802_1X_SHA256;
6921 break;
6922 case WPA_KEY_MGMT_PSK_SHA256:
6923 mgmt[0] = RSN_AUTH_KEY_MGMT_PSK_SHA256;
6924 break;
6925 case WPA_KEY_MGMT_OSEN:
6926 mgmt[0] = RSN_AUTH_KEY_MGMT_OSEN;
6927 break;
6928 case WPA_KEY_MGMT_SAE:
6929 mgmt[0] = RSN_AUTH_KEY_MGMT_SAE;
6930 break;
6931 case WPA_KEY_MGMT_SAE_EXT_KEY:
6932 mgmt[0] = RSN_AUTH_KEY_MGMT_SAE_EXT_KEY;
6933 break;
6934 case WPA_KEY_MGMT_FT_SAE:
6935 mgmt[0] = RSN_AUTH_KEY_MGMT_FT_SAE;
6936 break;
6937 case WPA_KEY_MGMT_FT_SAE_EXT_KEY:
6938 mgmt[0] = RSN_AUTH_KEY_MGMT_FT_SAE_EXT_KEY;
6939 break;
6940 case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
6941 mgmt[0] = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B;
6942 break;
6943 case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
6944 mgmt[0] = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192;
6945 break;
6946 case WPA_KEY_MGMT_FT_IEEE8021X_SHA384:
6947 mgmt[0] = RSN_AUTH_KEY_MGMT_FT_802_1X_SHA384;
6948 break;
6949 case WPA_KEY_MGMT_FILS_SHA256:
6950 mgmt[0] = RSN_AUTH_KEY_MGMT_FILS_SHA256;
6951 break;
6952 case WPA_KEY_MGMT_FILS_SHA384:
6953 mgmt[0] = RSN_AUTH_KEY_MGMT_FILS_SHA384;
6954 break;
6955 case WPA_KEY_MGMT_FT_FILS_SHA256:
6956 mgmt[0] = RSN_AUTH_KEY_MGMT_FT_FILS_SHA256;
6957 break;
6958 case WPA_KEY_MGMT_FT_FILS_SHA384:
6959 mgmt[0] = RSN_AUTH_KEY_MGMT_FT_FILS_SHA384;
6960 break;
6961 case WPA_KEY_MGMT_OWE:
6962 mgmt[0] = RSN_AUTH_KEY_MGMT_OWE;
6963 break;
6964 case WPA_KEY_MGMT_DPP:
6965 mgmt[0] = RSN_AUTH_KEY_MGMT_DPP;
6966 break;
6967 case WPA_KEY_MGMT_IEEE8021X_SHA384:
6968 mgmt[0] = RSN_AUTH_KEY_MGMT_802_1X_SHA384;
6969 break;
6970 case WPA_KEY_MGMT_PSK:
6971 default:
6972 mgmt[0] = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
6973 break;
6974 }
6975
6976 if (drv->capa.max_num_akms > 1) {
6977 akm_count += wpa_key_mgmt_to_suites(
6978 params->allowed_key_mgmts, &mgmt[1],
6979 drv->capa.max_num_akms - 1);
6980 }
6981
6982 for (i = 0; i < akm_count; i++)
6983 wpa_printf(MSG_DEBUG, " * akm[%d]=0x%x", i, mgmt[i]);
6984
6985 if (nla_put(msg, NL80211_ATTR_AKM_SUITES,
6986 akm_count * sizeof(u32), mgmt)) {
6987 os_free(mgmt);
6988 return -1;
6989 }
6990
6991 os_free(mgmt);
6992 }
6993
6994 if (params->req_handshake_offload &&
6995 (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X)) {
6996 wpa_printf(MSG_DEBUG, " * WANT_1X_4WAY_HS");
6997 if (nla_put_flag(msg, NL80211_ATTR_WANT_1X_4WAY_HS))
6998 return -1;
6999 }
7000
7001 /* Add PSK in case of 4-way handshake offload */
7002 if (params->psk &&
7003 (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK)) {
7004 wpa_hexdump_key(MSG_DEBUG, " * PSK", params->psk, 32);
7005 if (nla_put(msg, NL80211_ATTR_PMK, 32, params->psk))
7006 return -1;
7007 }
7008
7009 if (nl80211_put_control_port(drv, msg))
7010 return -1;
7011
7012 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
7013 (params->pairwise_suite == WPA_CIPHER_NONE ||
7014 params->pairwise_suite == WPA_CIPHER_WEP104 ||
7015 params->pairwise_suite == WPA_CIPHER_WEP40) &&
7016 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT))
7017 return -1;
7018
7019 if (params->rrm_used) {
7020 u32 drv_rrm_flags = drv->capa.rrm_flags;
7021 if ((!((drv_rrm_flags &
7022 WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES) &&
7023 (drv_rrm_flags & WPA_DRIVER_FLAGS_QUIET)) &&
7024 !(drv_rrm_flags & WPA_DRIVER_FLAGS_SUPPORT_RRM)) ||
7025 nla_put_flag(msg, NL80211_ATTR_USE_RRM))
7026 return -1;
7027 }
7028
7029 if (nl80211_ht_vht_overrides(msg, params) < 0)
7030 return -1;
7031
7032 if (params->p2p)
7033 wpa_printf(MSG_DEBUG, " * P2P group");
7034
7035 if (params->pbss) {
7036 wpa_printf(MSG_DEBUG, " * PBSS");
7037 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
7038 return -1;
7039 }
7040
7041 drv->connect_reassoc = 0;
7042 if (params->prev_bssid) {
7043 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
7044 MAC2STR(params->prev_bssid));
7045 if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
7046 params->prev_bssid))
7047 return -1;
7048 drv->connect_reassoc = 1;
7049 }
7050
7051 if ((params->auth_alg & WPA_AUTH_ALG_FILS) &&
7052 nl80211_put_fils_connect_params(drv, params, msg) != 0)
7053 return -1;
7054
7055 if ((wpa_key_mgmt_sae(params->key_mgmt_suite) ||
7056 wpa_key_mgmt_sae(params->allowed_key_mgmts)) &&
7057 (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) &&
7058 nla_put_flag(msg, NL80211_ATTR_EXTERNAL_AUTH_SUPPORT))
7059 return -1;
7060
7061 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
7062 nla_put_flag(msg, NL80211_ATTR_MLO_SUPPORT))
7063 return -1;
7064
7065 return 0;
7066 }
7067
7068
7069 #ifdef CONFIG_DRIVER_NL80211_QCA
connect_ext_feature_set(u8 * features,enum qca_wlan_connect_ext_features idx)7070 static void connect_ext_feature_set(u8 *features,
7071 enum qca_wlan_connect_ext_features idx)
7072 {
7073 u8 *idx_byte = &features[idx / 8];
7074
7075 *idx_byte |= BIT(idx % 8);
7076 }
7077 #endif /* CONFIG_DRIVER_NL80211_QCA */
7078
7079
nl80211_connect_ext(struct wpa_driver_nl80211_data * drv,struct wpa_driver_associate_params * params)7080 static int nl80211_connect_ext(struct wpa_driver_nl80211_data *drv,
7081 struct wpa_driver_associate_params *params)
7082 {
7083 #ifdef CONFIG_DRIVER_NL80211_QCA
7084 struct nl_msg *msg;
7085 struct nlattr *attr;
7086 u8 features[(NUM_QCA_CONNECT_EXT_FEATURES + 7) / 8] = {};
7087
7088 if (!drv->connect_ext_vendor_cmd_avail)
7089 return -1;
7090
7091 wpa_printf(MSG_DEBUG, "nl80211: Connect_ext (ifindex=%d)",
7092 drv->ifindex);
7093
7094 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
7095 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
7096 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
7097 QCA_NL80211_VENDOR_SUBCMD_CONNECT_EXT))
7098 goto fail;
7099
7100 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
7101 if (!attr)
7102 goto fail;
7103
7104 if (params->rsn_overriding) {
7105 wpa_printf(MSG_DEBUG, "- RSN overriding");
7106 connect_ext_feature_set(features, QCA_CONNECT_EXT_FEATURE_RSNO);
7107 }
7108
7109 if (nla_put(msg, QCA_WLAN_VENDOR_ATTR_CONNECT_EXT_FEATURES,
7110 sizeof(features), features))
7111 goto fail;
7112
7113 nla_nest_end(msg, attr);
7114
7115 return send_and_recv_cmd(drv, msg);
7116 fail:
7117 nlmsg_free(msg);
7118 #endif /* CONFIG_DRIVER_NL80211_QCA */
7119 return -1;
7120 }
7121
7122
wpa_driver_nl80211_try_connect(struct wpa_driver_nl80211_data * drv,struct wpa_driver_associate_params * params,struct i802_bss * bss)7123 static int wpa_driver_nl80211_try_connect(
7124 struct wpa_driver_nl80211_data *drv,
7125 struct wpa_driver_associate_params *params,
7126 struct i802_bss *bss)
7127 {
7128 struct nl_msg *msg;
7129 enum nl80211_auth_type type;
7130 int ret;
7131 int algs;
7132
7133 #ifdef CONFIG_DRIVER_NL80211_QCA
7134 if (params->req_key_mgmt_offload && params->psk &&
7135 (wpa_key_mgmt_wpa_psk_no_sae(params->key_mgmt_suite) ||
7136 wpa_key_mgmt_wpa_psk_no_sae(params->allowed_key_mgmts))) {
7137 wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK");
7138 ret = issue_key_mgmt_set_key(drv, params->psk, 32);
7139 if (ret)
7140 return ret;
7141 }
7142 #endif /* CONFIG_DRIVER_NL80211_QCA */
7143
7144 nl80211_connect_ext(drv, params);
7145 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
7146 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT);
7147 if (!msg)
7148 return -1;
7149
7150 ret = nl80211_connect_common(drv, params, msg);
7151 if (ret)
7152 goto fail;
7153
7154 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
7155 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
7156 goto fail;
7157
7158 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_OPTIONAL &&
7159 (drv->capa.flags & WPA_DRIVER_FLAGS_MFP_OPTIONAL) &&
7160 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_OPTIONAL))
7161 goto fail;
7162
7163 #ifdef CONFIG_SAE
7164 if ((wpa_key_mgmt_sae(params->key_mgmt_suite) ||
7165 wpa_key_mgmt_sae(params->allowed_key_mgmts)) &&
7166 nl80211_put_sae_pwe(msg, params->sae_pwe) < 0)
7167 goto fail;
7168
7169 /* Add SAE password in case of SAE authentication offload */
7170 if ((params->sae_password || params->passphrase) &&
7171 (drv->capa.flags2 & WPA_DRIVER_FLAGS2_SAE_OFFLOAD_STA)) {
7172 const char *password;
7173 size_t pwd_len;
7174
7175 if (params->sae_password && params->sae_password_id) {
7176 wpa_printf(MSG_INFO,
7177 "nl80211: Use of SAE password identifiers not supported with driver-based SAE");
7178 goto fail;
7179 }
7180
7181 password = params->sae_password;
7182 if (!password)
7183 password = params->passphrase;
7184 pwd_len = os_strlen(password);
7185 wpa_printf(MSG_DEBUG, " * SAE password");
7186 if (nla_put(msg, NL80211_ATTR_SAE_PASSWORD, pwd_len, password))
7187 goto fail;
7188 }
7189 #endif /* CONFIG_SAE */
7190
7191 algs = 0;
7192 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
7193 algs++;
7194 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
7195 algs++;
7196 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
7197 algs++;
7198 if (params->auth_alg & WPA_AUTH_ALG_FILS)
7199 algs++;
7200 if (params->auth_alg & WPA_AUTH_ALG_FT)
7201 algs++;
7202 if (params->auth_alg & WPA_AUTH_ALG_SAE)
7203 algs++;
7204 if (algs > 1) {
7205 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
7206 "selection");
7207 goto skip_auth_type;
7208 }
7209
7210 type = get_nl_auth_type(params->auth_alg);
7211 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
7212 if (type == NL80211_AUTHTYPE_MAX ||
7213 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
7214 goto fail;
7215
7216 skip_auth_type:
7217 ret = nl80211_set_conn_keys(params, msg);
7218 if (ret)
7219 goto fail;
7220
7221 if (nla_put_flag(msg, NL80211_ATTR_SOCKET_OWNER))
7222 goto fail;
7223 ret = send_and_recv(drv->global, bss->nl_connect, msg, NULL, NULL, NULL,
7224 NULL, NULL);
7225 msg = NULL;
7226 if (ret) {
7227 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
7228 "(%s)", ret, strerror(-ret));
7229 } else {
7230 #ifdef CONFIG_DRIVER_NL80211_QCA
7231 drv->roam_indication_done = false;
7232 #endif /* CONFIG_DRIVER_NL80211_QCA */
7233 wpa_printf(MSG_DEBUG,
7234 "nl80211: Connect request send successfully");
7235 }
7236
7237 fail:
7238 nl80211_nlmsg_clear(msg);
7239 nlmsg_free(msg);
7240 return ret;
7241
7242 }
7243
7244
wpa_driver_nl80211_connect(struct wpa_driver_nl80211_data * drv,struct wpa_driver_associate_params * params,struct i802_bss * bss)7245 static int wpa_driver_nl80211_connect(
7246 struct wpa_driver_nl80211_data *drv,
7247 struct wpa_driver_associate_params *params,
7248 struct i802_bss *bss)
7249 {
7250 int ret;
7251
7252 /* Store the connection attempted bssid for future use */
7253 if (params->bssid)
7254 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
7255 else
7256 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
7257
7258 ret = wpa_driver_nl80211_try_connect(drv, params, bss);
7259 if (ret == -EALREADY) {
7260 /*
7261 * cfg80211 does not currently accept new connections if
7262 * we are already connected. As a workaround, force
7263 * disconnection and try again.
7264 */
7265 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
7266 "disconnecting before reassociation "
7267 "attempt");
7268 if (wpa_driver_nl80211_disconnect(
7269 drv, WLAN_REASON_PREV_AUTH_NOT_VALID, bss))
7270 return -1;
7271 ret = wpa_driver_nl80211_try_connect(drv, params, bss);
7272 }
7273 return ret;
7274 }
7275
7276
wpa_driver_nl80211_associate(void * priv,struct wpa_driver_associate_params * params)7277 static int wpa_driver_nl80211_associate(
7278 void *priv, struct wpa_driver_associate_params *params)
7279 {
7280 struct i802_bss *bss = priv;
7281 struct wpa_driver_nl80211_data *drv = bss->drv;
7282 struct nl80211_err_info err_info;
7283 int ret = -1;
7284 struct nl_msg *msg;
7285
7286 nl80211_unmask_11b_rates(bss);
7287
7288 if (params->mode == IEEE80211_MODE_AP)
7289 return wpa_driver_nl80211_ap(drv, params);
7290
7291 if (params->mode == IEEE80211_MODE_IBSS)
7292 return wpa_driver_nl80211_ibss(drv, params);
7293
7294 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
7295 enum nl80211_iftype nlmode = params->p2p ?
7296 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
7297
7298 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
7299 return -1;
7300
7301 return wpa_driver_nl80211_connect(drv, params, bss);
7302 }
7303
7304 nl80211_mark_disconnected(drv);
7305
7306 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
7307 drv->ifindex);
7308 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_ASSOCIATE);
7309 if (!msg)
7310 return -1;
7311
7312 ret = nl80211_connect_common(drv, params, msg);
7313 if (ret)
7314 goto fail;
7315
7316 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
7317 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
7318 goto fail;
7319
7320 if (params->fils_kek) {
7321 wpa_printf(MSG_DEBUG, " * FILS KEK (len=%u)",
7322 (unsigned int) params->fils_kek_len);
7323 if (nla_put(msg, NL80211_ATTR_FILS_KEK, params->fils_kek_len,
7324 params->fils_kek))
7325 goto fail;
7326 }
7327 if (params->fils_nonces) {
7328 wpa_hexdump(MSG_DEBUG, " * FILS nonces (for AAD)",
7329 params->fils_nonces,
7330 params->fils_nonces_len);
7331 if (nla_put(msg, NL80211_ATTR_FILS_NONCES,
7332 params->fils_nonces_len, params->fils_nonces))
7333 goto fail;
7334 }
7335
7336 if (!TEST_FAIL_TAG("assoc")) {
7337 if (nla_put_flag(msg, NL80211_ATTR_SOCKET_OWNER))
7338 goto fail;
7339 ret = send_and_recv(drv->global, drv->first_bss->nl_connect,
7340 msg, NULL, NULL, NULL, NULL, &err_info);
7341 msg = NULL;
7342 } else {
7343 int i;
7344
7345 /* Error and force TEST_FAIL checking for each link */
7346 ret = -EINVAL;
7347 for_each_link(params->mld_params.valid_links, i) {
7348 if (TEST_FAIL_TAG("link"))
7349 err_info.link_id = i;
7350 }
7351 }
7352
7353 if (ret) {
7354 wpa_dbg(drv->ctx, MSG_DEBUG,
7355 "nl80211: MLME command failed (assoc): ret=%d (%s)",
7356 ret, strerror(-ret));
7357 nl80211_dump_scan(drv);
7358
7359 /* Mark failed link within params */
7360 if (err_info.link_id >= 0) {
7361 if (err_info.link_id >= MAX_NUM_MLD_LINKS ||
7362 !(params->mld_params.valid_links &
7363 BIT(err_info.link_id))) {
7364 wpa_printf(MSG_DEBUG,
7365 "nl80211: Invalid errorred link_id %d",
7366 err_info.link_id);
7367 goto fail;
7368 }
7369 params->mld_params.mld_links[err_info.link_id].error =
7370 ret;
7371 }
7372 } else {
7373 wpa_printf(MSG_DEBUG,
7374 "nl80211: Association request send successfully");
7375 }
7376
7377 fail:
7378 nlmsg_free(msg);
7379 return ret;
7380 }
7381
7382
nl80211_set_mode(struct wpa_driver_nl80211_data * drv,int ifindex,enum nl80211_iftype mode)7383 static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
7384 int ifindex, enum nl80211_iftype mode)
7385 {
7386 struct nl_msg *msg;
7387 int ret = -ENOBUFS;
7388
7389 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
7390 ifindex, mode, nl80211_iftype_str(mode));
7391
7392 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
7393 if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode))
7394 goto fail;
7395
7396 ret = send_and_recv_cmd(drv, msg);
7397 msg = NULL;
7398 if (!ret)
7399 return 0;
7400 fail:
7401 nlmsg_free(msg);
7402 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
7403 " %d (%s)", ifindex, mode, ret, strerror(-ret));
7404 return ret;
7405 }
7406
7407
wpa_driver_nl80211_set_mode_impl(struct i802_bss * bss,enum nl80211_iftype nlmode,struct hostapd_freq_params * desired_freq_params)7408 static int wpa_driver_nl80211_set_mode_impl(
7409 struct i802_bss *bss,
7410 enum nl80211_iftype nlmode,
7411 struct hostapd_freq_params *desired_freq_params)
7412 {
7413 struct wpa_driver_nl80211_data *drv = bss->drv;
7414 int ret = -1;
7415 int i;
7416 int was_ap = is_ap_interface(drv->nlmode);
7417 int res;
7418 int mode_switch_res;
7419
7420 if (TEST_FAIL())
7421 return -1;
7422
7423 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
7424 if (mode_switch_res && nlmode == nl80211_get_ifmode(bss))
7425 mode_switch_res = 0;
7426
7427 if (mode_switch_res == 0) {
7428 drv->nlmode = nlmode;
7429 ret = 0;
7430 goto done;
7431 }
7432
7433 if (mode_switch_res == -ENODEV)
7434 return -1;
7435
7436 if (nlmode == drv->nlmode) {
7437 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
7438 "requested mode - ignore error");
7439 ret = 0;
7440 goto done; /* Already in the requested mode */
7441 }
7442
7443 /* mac80211 doesn't allow mode changes while the device is up, so
7444 * take the device down, try to set the mode again, and bring the
7445 * device back up.
7446 */
7447 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
7448 "interface down");
7449 for (i = 0; i < 10; i++) {
7450 res = i802_set_iface_flags(bss, 0);
7451 if (res == -EACCES || res == -ENODEV)
7452 break;
7453 if (res != 0) {
7454 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
7455 "interface down");
7456 os_sleep(0, 100000);
7457 continue;
7458 }
7459
7460 /*
7461 * Setting the mode will fail for some drivers if the phy is
7462 * on a frequency that the mode is disallowed in.
7463 */
7464 if (desired_freq_params) {
7465 res = nl80211_set_channel(bss, desired_freq_params, 0);
7466 if (res) {
7467 wpa_printf(MSG_DEBUG,
7468 "nl80211: Failed to set frequency on interface");
7469 }
7470 }
7471
7472 if (i == 0 && was_ap && !is_ap_interface(nlmode) &&
7473 bss->brname[0] &&
7474 (bss->added_if_into_bridge || bss->already_in_bridge)) {
7475 wpa_printf(MSG_DEBUG,
7476 "nl80211: Remove AP interface %s temporarily from the bridge %s to allow its mode to be set to STATION",
7477 bss->ifname, bss->brname);
7478 if (linux_br_del_if(drv->global->ioctl_sock,
7479 bss->brname, bss->ifname) < 0)
7480 wpa_printf(MSG_INFO,
7481 "nl80211: Failed to remove interface %s from bridge %s: %s",
7482 bss->ifname, bss->brname,
7483 strerror(errno));
7484 }
7485
7486 /* Try to set the mode again while the interface is down */
7487 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
7488 if (mode_switch_res == -EBUSY) {
7489 wpa_printf(MSG_DEBUG,
7490 "nl80211: Delaying mode set while interface going down");
7491 os_sleep(0, 100000);
7492 continue;
7493 }
7494 ret = mode_switch_res;
7495 break;
7496 }
7497
7498 if (!ret) {
7499 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
7500 "interface is down");
7501 drv->nlmode = nlmode;
7502 drv->ignore_if_down_event = 1;
7503 }
7504
7505 /* Bring the interface back up */
7506 res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1);
7507 if (res != 0) {
7508 wpa_printf(MSG_DEBUG,
7509 "nl80211: Failed to set interface up after switching mode");
7510 ret = -1;
7511 }
7512
7513 done:
7514 if (ret) {
7515 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
7516 "from %d failed", nlmode, drv->nlmode);
7517 return ret;
7518 }
7519
7520 if (is_p2p_net_interface(nlmode)) {
7521 wpa_printf(MSG_DEBUG,
7522 "nl80211: Interface %s mode change to P2P - disable 11b rates",
7523 bss->ifname);
7524 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
7525 } else if (drv->disabled_11b_rates) {
7526 wpa_printf(MSG_DEBUG,
7527 "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates",
7528 bss->ifname);
7529 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
7530 }
7531
7532 if (is_ap_interface(nlmode)) {
7533 nl80211_mgmt_unsubscribe(bss, "start AP");
7534 /* Setup additional AP mode functionality if needed */
7535 if (nl80211_setup_ap(bss))
7536 return -1;
7537 } else if (was_ap) {
7538 /* Remove additional AP mode functionality */
7539 nl80211_teardown_ap(bss);
7540 } else {
7541 nl80211_mgmt_unsubscribe(bss, "mode change");
7542 }
7543
7544 if (is_mesh_interface(nlmode) &&
7545 nl80211_mgmt_subscribe_mesh(bss))
7546 return -1;
7547
7548 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
7549 !is_mesh_interface(nlmode) &&
7550 nl80211_mgmt_subscribe_non_ap(bss) < 0)
7551 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
7552 "frame processing - ignore for now");
7553
7554 return 0;
7555 }
7556
7557
nl80211_restore_ap_mode(struct i802_bss * bss)7558 void nl80211_restore_ap_mode(struct i802_bss *bss)
7559 {
7560 struct wpa_driver_nl80211_data *drv = bss->drv;
7561 int was_ap = is_ap_interface(drv->nlmode);
7562
7563 wpa_driver_nl80211_set_mode(bss, drv->ap_scan_as_station);
7564 if (!was_ap && is_ap_interface(drv->ap_scan_as_station) &&
7565 bss->brname[0] &&
7566 (bss->added_if_into_bridge || bss->already_in_bridge)) {
7567 wpa_printf(MSG_DEBUG,
7568 "nl80211: Add AP interface %s back into the bridge %s",
7569 bss->ifname, bss->brname);
7570 if (linux_br_add_if(drv->global->ioctl_sock, bss->brname,
7571 bss->ifname) < 0) {
7572 wpa_printf(MSG_WARNING,
7573 "nl80211: Failed to add interface %s into bridge %s: %s",
7574 bss->ifname, bss->brname, strerror(errno));
7575 }
7576 }
7577 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
7578 }
7579
7580
wpa_driver_nl80211_set_mode(struct i802_bss * bss,enum nl80211_iftype nlmode)7581 int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
7582 enum nl80211_iftype nlmode)
7583 {
7584 return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL);
7585 }
7586
7587
wpa_driver_nl80211_set_mode_ibss(struct i802_bss * bss,struct hostapd_freq_params * freq)7588 static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
7589 struct hostapd_freq_params *freq)
7590 {
7591 return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC,
7592 freq);
7593 }
7594
7595
wpa_driver_nl80211_get_capa(void * priv,struct wpa_driver_capa * capa)7596 static int wpa_driver_nl80211_get_capa(void *priv,
7597 struct wpa_driver_capa *capa)
7598 {
7599 struct i802_bss *bss = priv;
7600 struct wpa_driver_nl80211_data *drv = bss->drv;
7601
7602 if (!drv->has_capability)
7603 return -1;
7604 os_memcpy(capa, &drv->capa, sizeof(*capa));
7605 if (drv->extended_capa && drv->extended_capa_mask) {
7606 capa->extended_capa = drv->extended_capa;
7607 capa->extended_capa_mask = drv->extended_capa_mask;
7608 capa->extended_capa_len = drv->extended_capa_len;
7609 }
7610
7611 return 0;
7612 }
7613
7614
wpa_driver_nl80211_set_operstate(void * priv,int state)7615 static int wpa_driver_nl80211_set_operstate(void *priv, int state)
7616 {
7617 struct i802_bss *bss = priv;
7618 struct wpa_driver_nl80211_data *drv = bss->drv;
7619
7620 wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)",
7621 bss->ifname, drv->operstate, state,
7622 state ? "UP" : "DORMANT");
7623 drv->operstate = state;
7624 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
7625 state ? IF_OPER_UP : IF_OPER_DORMANT);
7626 }
7627
7628
wpa_driver_nl80211_set_supp_port(void * priv,int authorized)7629 static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
7630 {
7631 struct i802_bss *bss = priv;
7632 struct wpa_driver_nl80211_data *drv = bss->drv;
7633 struct nl_msg *msg;
7634 struct nl80211_sta_flag_update upd;
7635 int ret;
7636 const u8 *connected_addr = drv->sta_mlo_info.valid_links ?
7637 drv->sta_mlo_info.ap_mld_addr : drv->bssid;
7638
7639 if (!drv->associated && is_zero_ether_addr(connected_addr) &&
7640 !authorized) {
7641 wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated");
7642 return 0;
7643 }
7644
7645 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
7646 MACSTR, authorized ? "" : "un", MAC2STR(connected_addr));
7647
7648 os_memset(&upd, 0, sizeof(upd));
7649 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
7650 if (authorized)
7651 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
7652
7653 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
7654 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, connected_addr) ||
7655 nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) {
7656 nlmsg_free(msg);
7657 return -ENOBUFS;
7658 }
7659
7660 ret = send_and_recv_cmd(drv, msg);
7661 if (!ret)
7662 return 0;
7663 wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)",
7664 ret, strerror(-ret));
7665 return ret;
7666 }
7667
7668
7669 /* Set kernel driver on given frequency (MHz) */
i802_set_freq(void * priv,struct hostapd_freq_params * freq)7670 static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
7671 {
7672 struct i802_bss *bss = priv;
7673 return nl80211_set_channel(bss, freq, 0);
7674 }
7675
7676
min_int(int a,int b)7677 static inline int min_int(int a, int b)
7678 {
7679 if (a < b)
7680 return a;
7681 return b;
7682 }
7683
7684
get_key_handler(struct nl_msg * msg,void * arg)7685 static int get_key_handler(struct nl_msg *msg, void *arg)
7686 {
7687 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7688 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7689
7690 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7691 genlmsg_attrlen(gnlh, 0), NULL);
7692
7693 /*
7694 * TODO: validate the key index and mac address!
7695 * Otherwise, there's a race condition as soon as
7696 * the kernel starts sending key notifications.
7697 */
7698
7699 if (tb[NL80211_ATTR_KEY_SEQ])
7700 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
7701 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
7702 nl80211_nlmsg_clear(msg);
7703 return NL_SKIP;
7704 }
7705
7706
i802_get_seqnum(const char * iface,void * priv,const u8 * addr,int idx,int link_id,u8 * seq)7707 static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
7708 int idx, int link_id, u8 *seq)
7709 {
7710 struct i802_bss *bss = priv;
7711 struct wpa_driver_nl80211_data *drv = bss->drv;
7712 struct nl_msg *msg;
7713 int res;
7714
7715 msg = nl80211_ifindex_msg(drv, if_nametoindex(iface), 0,
7716 NL80211_CMD_GET_KEY);
7717 if (!msg ||
7718 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
7719 (link_id != NL80211_DRV_LINK_ID_NA &&
7720 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)) ||
7721 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, idx)) {
7722 nlmsg_free(msg);
7723 return -ENOBUFS;
7724 }
7725
7726 os_memset(seq, 0, 6);
7727 res = send_and_recv_resp(drv, msg, get_key_handler, seq);
7728 if (res) {
7729 wpa_printf(MSG_DEBUG,
7730 "nl80211: Failed to get current TX sequence for a key (link_id=%d idx=%d): %d (%s)",
7731 link_id, idx, res, strerror(-res));
7732 }
7733
7734 return res;
7735 }
7736
7737
i802_set_rts(void * priv,int rts)7738 static int i802_set_rts(void *priv, int rts)
7739 {
7740 struct i802_bss *bss = priv;
7741 struct wpa_driver_nl80211_data *drv = bss->drv;
7742 struct nl_msg *msg;
7743 int ret;
7744 u32 val;
7745
7746 if (rts >= 2347 || rts == -1)
7747 val = (u32) -1;
7748 else
7749 val = rts;
7750
7751 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
7752 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val)) {
7753 nlmsg_free(msg);
7754 return -ENOBUFS;
7755 }
7756
7757 ret = send_and_recv_cmd(drv, msg);
7758 if (!ret)
7759 return 0;
7760 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
7761 "%d (%s)", rts, ret, strerror(-ret));
7762 return ret;
7763 }
7764
7765
i802_set_frag(void * priv,int frag)7766 static int i802_set_frag(void *priv, int frag)
7767 {
7768 struct i802_bss *bss = priv;
7769 struct wpa_driver_nl80211_data *drv = bss->drv;
7770 struct nl_msg *msg;
7771 int ret;
7772 u32 val;
7773
7774 if (frag >= 2346 || frag == -1)
7775 val = (u32) -1;
7776 else
7777 val = frag;
7778
7779 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
7780 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val)) {
7781 nlmsg_free(msg);
7782 return -ENOBUFS;
7783 }
7784
7785 ret = send_and_recv_cmd(drv, msg);
7786 if (!ret)
7787 return 0;
7788 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
7789 "%d: %d (%s)", frag, ret, strerror(-ret));
7790 return ret;
7791 }
7792
7793
i802_flush(void * priv,int link_id)7794 static int i802_flush(void *priv, int link_id)
7795 {
7796 struct i802_bss *bss = priv;
7797 struct nl_msg *msg;
7798 int res;
7799
7800 if (link_id == NL80211_DRV_LINK_ID_NA)
7801 wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
7802 bss->ifname);
7803 else
7804 wpa_printf(MSG_DEBUG,
7805 "nl80211: flush -> DEL_STATION %s (with link %d)",
7806 bss->ifname, link_id);
7807
7808 /*
7809 * XXX: FIX! this needs to flush all VLANs too
7810 */
7811 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION);
7812 if (link_id >= 0 && (bss->valid_links & BIT(link_id)) &&
7813 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
7814 goto fail;
7815
7816 res = send_and_recv_cmd(bss->drv, msg);
7817 if (res) {
7818 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
7819 "(%s)", res, strerror(-res));
7820 }
7821 return res;
7822 fail:
7823 nlmsg_free(msg);
7824 return -1;
7825 }
7826
7827
get_sta_tid_stats(struct hostap_sta_driver_data * data,struct nlattr * attr)7828 static void get_sta_tid_stats(struct hostap_sta_driver_data *data,
7829 struct nlattr *attr)
7830 {
7831 struct nlattr *tid_stats[NL80211_TID_STATS_MAX + 1], *tidattr;
7832 struct nlattr *txq_stats[NL80211_TXQ_STATS_MAX + 1];
7833 static struct nla_policy txq_stats_policy[NL80211_TXQ_STATS_MAX + 1] = {
7834 [NL80211_TXQ_STATS_BACKLOG_BYTES] = { .type = NLA_U32 },
7835 [NL80211_TXQ_STATS_BACKLOG_PACKETS] = { .type = NLA_U32 },
7836 };
7837 int rem;
7838
7839 nla_for_each_nested(tidattr, attr, rem) {
7840 if (nla_parse_nested(tid_stats, NL80211_TID_STATS_MAX,
7841 tidattr, NULL) != 0 ||
7842 !tid_stats[NL80211_TID_STATS_TXQ_STATS] ||
7843 nla_parse_nested(txq_stats, NL80211_TXQ_STATS_MAX,
7844 tid_stats[NL80211_TID_STATS_TXQ_STATS],
7845 txq_stats_policy) != 0)
7846 continue;
7847 /* sum the backlogs over all TIDs for station */
7848 if (txq_stats[NL80211_TXQ_STATS_BACKLOG_BYTES])
7849 data->backlog_bytes += nla_get_u32(
7850 txq_stats[NL80211_TXQ_STATS_BACKLOG_BYTES]);
7851 if (txq_stats[NL80211_TXQ_STATS_BACKLOG_PACKETS])
7852 data->backlog_bytes += nla_get_u32(
7853 txq_stats[NL80211_TXQ_STATS_BACKLOG_PACKETS]);
7854 }
7855 }
7856
7857
get_sta_handler(struct nl_msg * msg,void * arg)7858 static int get_sta_handler(struct nl_msg *msg, void *arg)
7859 {
7860 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7861 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7862 struct hostap_sta_driver_data *data = arg;
7863 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
7864 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
7865 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
7866 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
7867 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
7868 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
7869 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
7870 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
7871 [NL80211_STA_INFO_TX_RETRIES] = { .type = NLA_U32 },
7872 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
7873 [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
7874 [NL80211_STA_INFO_CONNECTED_TIME] = { .type = NLA_U32 },
7875 [NL80211_STA_INFO_BEACON_LOSS] = { .type = NLA_U32 },
7876 [NL80211_STA_INFO_RX_BYTES64] = { .type = NLA_U64 },
7877 [NL80211_STA_INFO_TX_BYTES64] = { .type = NLA_U64 },
7878 [NL80211_STA_INFO_EXPECTED_THROUGHPUT] = { .type = NLA_U32 },
7879 [NL80211_STA_INFO_RX_DROP_MISC] = { .type = NLA_U64 },
7880 [NL80211_STA_INFO_BEACON_RX] = { .type = NLA_U64 },
7881 [NL80211_STA_INFO_BEACON_SIGNAL_AVG] = { .type = NLA_U8},
7882 [NL80211_STA_INFO_RX_DURATION] = { .type = NLA_U64 },
7883 [NL80211_STA_INFO_ACK_SIGNAL] = { .type = NLA_U8 },
7884 [NL80211_STA_INFO_ACK_SIGNAL_AVG] = { .type = NLA_S8 },
7885 [NL80211_STA_INFO_RX_MPDUS] = { .type = NLA_U32 },
7886 [NL80211_STA_INFO_FCS_ERROR_COUNT] = { .type = NLA_U32 },
7887 [NL80211_STA_INFO_TX_DURATION] = { .type = NLA_U64 },
7888 };
7889 struct nlattr *rate[NL80211_RATE_INFO_MAX + 1];
7890 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
7891 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
7892 [NL80211_RATE_INFO_BITRATE32] = { .type = NLA_U32 },
7893 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
7894 [NL80211_RATE_INFO_VHT_MCS] = { .type = NLA_U8 },
7895 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
7896 [NL80211_RATE_INFO_VHT_NSS] = { .type = NLA_U8 },
7897 [NL80211_RATE_INFO_HE_MCS] = { .type = NLA_U8 },
7898 [NL80211_RATE_INFO_HE_NSS] = { .type = NLA_U8 },
7899 [NL80211_RATE_INFO_HE_GI] = { .type = NLA_U8 },
7900 [NL80211_RATE_INFO_HE_DCM] = { .type = NLA_U8 },
7901 };
7902
7903 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7904 genlmsg_attrlen(gnlh, 0), NULL);
7905
7906 /*
7907 * TODO: validate the interface and mac address!
7908 * Otherwise, there's a race condition as soon as
7909 * the kernel starts sending station notifications.
7910 */
7911
7912 if (!tb[NL80211_ATTR_STA_INFO]) {
7913 wpa_printf(MSG_DEBUG, "sta stats missing!");
7914 return NL_SKIP;
7915 }
7916 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
7917 tb[NL80211_ATTR_STA_INFO],
7918 stats_policy)) {
7919 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
7920 return NL_SKIP;
7921 }
7922
7923 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
7924 data->inactive_msec =
7925 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
7926 /* For backwards compatibility, fetch the 32-bit counters first. */
7927 if (stats[NL80211_STA_INFO_RX_BYTES])
7928 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
7929 if (stats[NL80211_STA_INFO_TX_BYTES])
7930 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
7931 if (stats[NL80211_STA_INFO_RX_BYTES64] &&
7932 stats[NL80211_STA_INFO_TX_BYTES64]) {
7933 /*
7934 * The driver supports 64-bit counters, so use them to override
7935 * the 32-bit values.
7936 */
7937 data->rx_bytes =
7938 nla_get_u64(stats[NL80211_STA_INFO_RX_BYTES64]);
7939 data->tx_bytes =
7940 nla_get_u64(stats[NL80211_STA_INFO_TX_BYTES64]);
7941 data->bytes_64bit = 1;
7942 }
7943 if (stats[NL80211_STA_INFO_SIGNAL])
7944 data->signal = (s8) nla_get_u8(stats[NL80211_STA_INFO_SIGNAL]);
7945 if (stats[NL80211_STA_INFO_RX_PACKETS])
7946 data->rx_packets =
7947 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
7948 if (stats[NL80211_STA_INFO_TX_PACKETS])
7949 data->tx_packets =
7950 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
7951 if (stats[NL80211_STA_INFO_TX_RETRIES])
7952 data->tx_retry_count =
7953 nla_get_u32(stats[NL80211_STA_INFO_TX_RETRIES]);
7954 if (stats[NL80211_STA_INFO_TX_FAILED])
7955 data->tx_retry_failed =
7956 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
7957 if (stats[NL80211_STA_INFO_SIGNAL_AVG])
7958 data->avg_signal =
7959 (s8) nla_get_u8(stats[NL80211_STA_INFO_SIGNAL_AVG]);
7960 if (stats[NL80211_STA_INFO_CONNECTED_TIME]) {
7961 data->connected_sec =
7962 nla_get_u32(stats[NL80211_STA_INFO_CONNECTED_TIME]);
7963 data->flags |= STA_DRV_DATA_CONN_TIME;
7964 }
7965 if (stats[NL80211_STA_INFO_BEACON_LOSS])
7966 data->beacon_loss_count =
7967 nla_get_u32(stats[NL80211_STA_INFO_BEACON_LOSS]);
7968 if (stats[NL80211_STA_INFO_EXPECTED_THROUGHPUT])
7969 data->expected_throughput =
7970 nla_get_u32(stats[NL80211_STA_INFO_EXPECTED_THROUGHPUT]);
7971 if (stats[NL80211_STA_INFO_RX_DROP_MISC])
7972 data->rx_drop_misc =
7973 nla_get_u64(stats[NL80211_STA_INFO_RX_DROP_MISC]);
7974 if (stats[NL80211_STA_INFO_BEACON_RX])
7975 data->beacons_count =
7976 nla_get_u64(stats[NL80211_STA_INFO_BEACON_RX]);
7977 if (stats[NL80211_STA_INFO_BEACON_SIGNAL_AVG])
7978 data->avg_beacon_signal =
7979 (s8) nla_get_u8(stats[NL80211_STA_INFO_BEACON_SIGNAL_AVG]);
7980 if (stats[NL80211_STA_INFO_RX_DURATION])
7981 data->rx_airtime =
7982 nla_get_u64(stats[NL80211_STA_INFO_RX_DURATION]);
7983 if (stats[NL80211_STA_INFO_ACK_SIGNAL]) {
7984 data->last_ack_rssi =
7985 nla_get_u8(stats[NL80211_STA_INFO_ACK_SIGNAL]);
7986 data->flags |= STA_DRV_DATA_LAST_ACK_RSSI;
7987 }
7988 if (stats[NL80211_STA_INFO_ACK_SIGNAL_AVG])
7989 data->avg_ack_signal =
7990 nla_get_s8(stats[NL80211_STA_INFO_ACK_SIGNAL_AVG]);
7991 if (stats[NL80211_STA_INFO_RX_MPDUS])
7992 data->rx_mpdus = nla_get_u32(stats[NL80211_STA_INFO_RX_MPDUS]);
7993 if (stats[NL80211_STA_INFO_FCS_ERROR_COUNT])
7994 data->fcs_error_count =
7995 nla_get_u32(stats[NL80211_STA_INFO_FCS_ERROR_COUNT]);
7996 if (stats[NL80211_STA_INFO_TX_DURATION])
7997 data->tx_airtime =
7998 nla_get_u64(stats[NL80211_STA_INFO_TX_DURATION]);
7999
8000 if (stats[NL80211_STA_INFO_TX_BITRATE] &&
8001 nla_parse_nested(rate, NL80211_RATE_INFO_MAX,
8002 stats[NL80211_STA_INFO_TX_BITRATE],
8003 rate_policy) == 0) {
8004 if (rate[NL80211_RATE_INFO_BITRATE32])
8005 data->current_tx_rate =
8006 nla_get_u32(rate[NL80211_RATE_INFO_BITRATE32]);
8007 else if (rate[NL80211_RATE_INFO_BITRATE])
8008 data->current_tx_rate =
8009 nla_get_u16(rate[NL80211_RATE_INFO_BITRATE]);
8010
8011 /* Convert from 100 kbps to kbps; it's a more convenient unit.
8012 * It's also safe up until ~1Tbps. */
8013 data->current_tx_rate = data->current_tx_rate * 100;
8014
8015 if (rate[NL80211_RATE_INFO_MCS]) {
8016 data->tx_mcs = nla_get_u8(rate[NL80211_RATE_INFO_MCS]);
8017 data->flags |= STA_DRV_DATA_TX_MCS;
8018 }
8019 if (rate[NL80211_RATE_INFO_VHT_MCS]) {
8020 data->tx_vhtmcs =
8021 nla_get_u8(rate[NL80211_RATE_INFO_VHT_MCS]);
8022 data->flags |= STA_DRV_DATA_TX_VHT_MCS;
8023 }
8024 if (rate[NL80211_RATE_INFO_SHORT_GI]) {
8025 data->tx_guard_interval = GUARD_INTERVAL_0_4;
8026 data->flags |= STA_DRV_DATA_TX_SHORT_GI;
8027 }
8028 if (rate[NL80211_RATE_INFO_VHT_NSS]) {
8029 data->tx_vht_nss =
8030 nla_get_u8(rate[NL80211_RATE_INFO_VHT_NSS]);
8031 data->flags |= STA_DRV_DATA_TX_VHT_NSS;
8032 }
8033 if (rate[NL80211_RATE_INFO_HE_MCS]) {
8034 data->tx_hemcs =
8035 nla_get_u8(rate[NL80211_RATE_INFO_HE_MCS]);
8036 data->flags |= STA_DRV_DATA_TX_HE_MCS;
8037 }
8038 if (rate[NL80211_RATE_INFO_HE_NSS]) {
8039 data->tx_he_nss =
8040 nla_get_u8(rate[NL80211_RATE_INFO_HE_NSS]);
8041 data->flags |= STA_DRV_DATA_TX_HE_NSS;
8042 }
8043 if (rate[NL80211_RATE_INFO_HE_GI]) {
8044 switch (nla_get_u8(rate[NL80211_RATE_INFO_HE_GI])) {
8045 case NL80211_RATE_INFO_HE_GI_0_8:
8046 data->tx_guard_interval = GUARD_INTERVAL_0_8;
8047 break;
8048 case NL80211_RATE_INFO_HE_GI_1_6:
8049 data->tx_guard_interval = GUARD_INTERVAL_1_6;
8050 break;
8051 case NL80211_RATE_INFO_HE_GI_3_2:
8052 data->tx_guard_interval = GUARD_INTERVAL_3_2;
8053 break;
8054 }
8055 data->flags |= STA_DRV_DATA_TX_HE_GI;
8056 }
8057 if (rate[NL80211_RATE_INFO_HE_DCM]) {
8058 data->tx_dcm =
8059 nla_get_u8(rate[NL80211_RATE_INFO_HE_DCM]);
8060 data->flags |= STA_DRV_DATA_TX_HE_DCM;
8061 }
8062 }
8063
8064 if (stats[NL80211_STA_INFO_RX_BITRATE] &&
8065 nla_parse_nested(rate, NL80211_RATE_INFO_MAX,
8066 stats[NL80211_STA_INFO_RX_BITRATE],
8067 rate_policy) == 0) {
8068 if (rate[NL80211_RATE_INFO_BITRATE32])
8069 data->current_rx_rate =
8070 nla_get_u32(rate[NL80211_RATE_INFO_BITRATE32]);
8071 else if (rate[NL80211_RATE_INFO_BITRATE])
8072 data->current_rx_rate =
8073 nla_get_u16(rate[NL80211_RATE_INFO_BITRATE]);
8074
8075 /* Convert from 100 kbps to kbps; it's a more convenient unit.
8076 * It's also safe up until ~1Tbps. */
8077 data->current_rx_rate = data->current_rx_rate * 100;
8078
8079 if (rate[NL80211_RATE_INFO_MCS]) {
8080 data->rx_mcs = nla_get_u8(rate[NL80211_RATE_INFO_MCS]);
8081 data->flags |= STA_DRV_DATA_RX_MCS;
8082 }
8083 if (rate[NL80211_RATE_INFO_VHT_MCS]) {
8084 data->rx_vhtmcs =
8085 nla_get_u8(rate[NL80211_RATE_INFO_VHT_MCS]);
8086 data->flags |= STA_DRV_DATA_RX_VHT_MCS;
8087 }
8088 if (rate[NL80211_RATE_INFO_SHORT_GI]) {
8089 data->rx_guard_interval = GUARD_INTERVAL_0_4;
8090 data->flags |= STA_DRV_DATA_RX_SHORT_GI;
8091 }
8092 if (rate[NL80211_RATE_INFO_VHT_NSS]) {
8093 data->rx_vht_nss =
8094 nla_get_u8(rate[NL80211_RATE_INFO_VHT_NSS]);
8095 data->flags |= STA_DRV_DATA_RX_VHT_NSS;
8096 }
8097 if (rate[NL80211_RATE_INFO_HE_MCS]) {
8098 data->rx_hemcs =
8099 nla_get_u8(rate[NL80211_RATE_INFO_HE_MCS]);
8100 data->flags |= STA_DRV_DATA_RX_HE_MCS;
8101 }
8102 if (rate[NL80211_RATE_INFO_HE_NSS]) {
8103 data->rx_he_nss =
8104 nla_get_u8(rate[NL80211_RATE_INFO_HE_NSS]);
8105 data->flags |= STA_DRV_DATA_RX_HE_NSS;
8106 }
8107 if (rate[NL80211_RATE_INFO_HE_GI]) {
8108 switch (nla_get_u8(rate[NL80211_RATE_INFO_HE_GI])) {
8109 case NL80211_RATE_INFO_HE_GI_0_8:
8110 data->rx_guard_interval = GUARD_INTERVAL_0_8;
8111 break;
8112 case NL80211_RATE_INFO_HE_GI_1_6:
8113 data->rx_guard_interval = GUARD_INTERVAL_1_6;
8114 break;
8115 case NL80211_RATE_INFO_HE_GI_3_2:
8116 data->rx_guard_interval = GUARD_INTERVAL_3_2;
8117 break;
8118 }
8119 data->flags |= STA_DRV_DATA_RX_HE_GI;
8120 }
8121 if (rate[NL80211_RATE_INFO_HE_DCM]) {
8122 data->rx_dcm =
8123 nla_get_u8(rate[NL80211_RATE_INFO_HE_DCM]);
8124 data->flags |= STA_DRV_DATA_RX_HE_DCM;
8125 }
8126 }
8127
8128 if (stats[NL80211_STA_INFO_TID_STATS])
8129 get_sta_tid_stats(data, stats[NL80211_STA_INFO_TID_STATS]);
8130
8131 return NL_SKIP;
8132 }
8133
8134
nl80211_get_link_signal(struct wpa_driver_nl80211_data * drv,const u8 * bssid,struct hostap_sta_driver_data * data)8135 int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
8136 const u8 *bssid,
8137 struct hostap_sta_driver_data *data)
8138 {
8139 struct nl_msg *msg;
8140
8141 data->signal = -WPA_INVALID_NOISE;
8142 data->current_tx_rate = 0;
8143
8144 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_STATION)) ||
8145 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) {
8146 nlmsg_free(msg);
8147 return -ENOBUFS;
8148 }
8149
8150 return send_and_recv_resp(drv, msg, get_sta_handler, data);
8151 }
8152
8153
i802_read_sta_data(struct i802_bss * bss,struct hostap_sta_driver_data * data,const u8 * addr)8154 static int i802_read_sta_data(struct i802_bss *bss,
8155 struct hostap_sta_driver_data *data,
8156 const u8 *addr)
8157 {
8158 struct nl_msg *msg;
8159
8160 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) ||
8161 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
8162 nlmsg_free(msg);
8163 return -ENOBUFS;
8164 }
8165
8166 return send_and_recv_resp(bss->drv, msg, get_sta_handler, data);
8167 }
8168
8169
i802_set_tx_queue_params(void * priv,int queue,int aifs,int cw_min,int cw_max,int burst_time,int link_id)8170 static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
8171 int cw_min, int cw_max, int burst_time,
8172 int link_id)
8173 {
8174 struct i802_bss *bss = priv;
8175 struct wpa_driver_nl80211_data *drv = bss->drv;
8176 struct nl_msg *msg;
8177 struct nlattr *txq, *params;
8178 int res;
8179
8180 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY);
8181 if (!msg)
8182 return -1;
8183
8184 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
8185 if (!txq)
8186 goto fail;
8187
8188 /* We are only sending parameters for a single TXQ at a time */
8189 params = nla_nest_start(msg, 1);
8190 if (!params)
8191 goto fail;
8192
8193 switch (queue) {
8194 case 0:
8195 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO))
8196 goto fail;
8197 break;
8198 case 1:
8199 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI))
8200 goto fail;
8201 break;
8202 case 2:
8203 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE))
8204 goto fail;
8205 break;
8206 case 3:
8207 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK))
8208 goto fail;
8209 break;
8210 }
8211 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
8212 * 32 usec, so need to convert the value here. */
8213 if (nla_put_u16(msg, NL80211_TXQ_ATTR_TXOP,
8214 (burst_time * 100 + 16) / 32) ||
8215 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min) ||
8216 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max) ||
8217 nla_put_u8(msg, NL80211_TXQ_ATTR_AIFS, aifs))
8218 goto fail;
8219
8220 nla_nest_end(msg, params);
8221
8222 nla_nest_end(msg, txq);
8223
8224 if (link_id != NL80211_DRV_LINK_ID_NA &&
8225 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
8226 goto fail;
8227
8228 res = send_and_recv_cmd(drv, msg);
8229 wpa_printf(MSG_DEBUG,
8230 "nl80211: link=%d: TX queue param set: queue=%d aifs=%d cw_min=%d cw_max=%d burst_time=%d --> res=%d",
8231 link_id, queue, aifs, cw_min, cw_max, burst_time, res);
8232 if (res == 0)
8233 return 0;
8234 msg = NULL;
8235 fail:
8236 nlmsg_free(msg);
8237 return -1;
8238 }
8239
8240
i802_set_sta_vlan(struct i802_bss * bss,const u8 * addr,const char * ifname,int vlan_id,int link_id)8241 static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
8242 const char *ifname, int vlan_id, int link_id)
8243 {
8244 struct wpa_driver_nl80211_data *drv = bss->drv;
8245 struct nl_msg *msg;
8246 int ret;
8247
8248 wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
8249 ", ifname=%s[%d], vlan_id=%d)",
8250 bss->ifname, if_nametoindex(bss->ifname),
8251 MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
8252 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
8253 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
8254 (vlan_id && (drv->capa.flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD) &&
8255 nla_put_u16(msg, NL80211_ATTR_VLAN_ID, vlan_id)) ||
8256 (link_id != NL80211_DRV_LINK_ID_NA &&
8257 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)) ||
8258 nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) {
8259 nlmsg_free(msg);
8260 return -ENOBUFS;
8261 }
8262
8263 ret = send_and_recv_cmd(drv, msg);
8264 if (ret < 0) {
8265 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
8266 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
8267 MAC2STR(addr), ifname, vlan_id, ret,
8268 strerror(-ret));
8269 }
8270 return ret;
8271 }
8272
8273
i802_get_inact_sec(void * priv,const u8 * addr)8274 static int i802_get_inact_sec(void *priv, const u8 *addr)
8275 {
8276 struct hostap_sta_driver_data data;
8277 int ret;
8278
8279 os_memset(&data, 0, sizeof(data));
8280 data.inactive_msec = (unsigned long) -1;
8281 ret = i802_read_sta_data(priv, &data, addr);
8282 if (ret == -ENOENT)
8283 return -ENOENT;
8284 if (ret || data.inactive_msec == (unsigned long) -1)
8285 return -1;
8286 return data.inactive_msec / 1000;
8287 }
8288
8289
i802_sta_clear_stats(void * priv,const u8 * addr)8290 static int i802_sta_clear_stats(void *priv, const u8 *addr)
8291 {
8292 #if 0
8293 /* TODO */
8294 #endif
8295 return 0;
8296 }
8297
8298
i802_sta_deauth(void * priv,const u8 * own_addr,const u8 * addr,u16 reason,int link_id)8299 static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
8300 u16 reason, int link_id)
8301 {
8302 struct i802_bss *bss = priv;
8303 struct wpa_driver_nl80211_data *drv = bss->drv;
8304 struct ieee80211_mgmt mgmt;
8305 u8 channel;
8306 struct i802_link *link = nl80211_get_link(bss, link_id);
8307
8308 if (ieee80211_freq_to_chan(link->freq, &channel) ==
8309 HOSTAPD_MODE_IEEE80211AD) {
8310 /* Deauthentication is not used in DMG/IEEE 802.11ad;
8311 * disassociate the STA instead. */
8312 return i802_sta_disassoc(priv, own_addr, addr, reason);
8313 }
8314
8315 if (is_mesh_interface(drv->nlmode))
8316 return -1;
8317
8318 if (drv->device_ap_sme)
8319 return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason);
8320
8321 memset(&mgmt, 0, sizeof(mgmt));
8322 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
8323 WLAN_FC_STYPE_DEAUTH);
8324 memcpy(mgmt.da, addr, ETH_ALEN);
8325 memcpy(mgmt.sa, own_addr, ETH_ALEN);
8326 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
8327 mgmt.u.deauth.reason_code = host_to_le16(reason);
8328 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
8329 IEEE80211_HDRLEN +
8330 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
8331 0, NULL, 0, 0, link_id);
8332 }
8333
8334
i802_sta_disassoc(void * priv,const u8 * own_addr,const u8 * addr,u16 reason)8335 static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
8336 u16 reason)
8337 {
8338 struct i802_bss *bss = priv;
8339 struct wpa_driver_nl80211_data *drv = bss->drv;
8340 struct ieee80211_mgmt mgmt;
8341
8342 if (is_mesh_interface(drv->nlmode))
8343 return -1;
8344
8345 if (drv->device_ap_sme)
8346 return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason);
8347
8348 memset(&mgmt, 0, sizeof(mgmt));
8349 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
8350 WLAN_FC_STYPE_DISASSOC);
8351 memcpy(mgmt.da, addr, ETH_ALEN);
8352 memcpy(mgmt.sa, own_addr, ETH_ALEN);
8353 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
8354 mgmt.u.disassoc.reason_code = host_to_le16(reason);
8355 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
8356 IEEE80211_HDRLEN +
8357 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
8358 0, NULL, 0, 0, -1);
8359 }
8360
8361
dump_ifidx(struct wpa_driver_nl80211_data * drv)8362 static void dump_ifidx(struct wpa_driver_nl80211_data *drv)
8363 {
8364 char buf[200], *pos, *end;
8365 int i, res;
8366
8367 pos = buf;
8368 end = pos + sizeof(buf);
8369
8370 for (i = 0; i < drv->num_if_indices; i++) {
8371 if (!drv->if_indices[i].ifindex)
8372 continue;
8373 res = os_snprintf(pos, end - pos, " %d(%d)",
8374 drv->if_indices[i].ifindex,
8375 drv->if_indices[i].reason);
8376 if (os_snprintf_error(end - pos, res))
8377 break;
8378 pos += res;
8379 }
8380 *pos = '\0';
8381
8382 wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s",
8383 drv->num_if_indices, buf);
8384 }
8385
8386
add_ifidx(struct wpa_driver_nl80211_data * drv,int ifidx,int ifidx_reason)8387 static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
8388 int ifidx_reason)
8389 {
8390 int i;
8391 struct drv_nl80211_if_info *old;
8392
8393 wpa_printf(MSG_DEBUG,
8394 "nl80211: Add own interface ifindex %d (ifidx_reason %d)",
8395 ifidx, ifidx_reason);
8396 if (have_ifidx(drv, ifidx, ifidx_reason)) {
8397 wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list",
8398 ifidx);
8399 return;
8400 }
8401 for (i = 0; i < drv->num_if_indices; i++) {
8402 if (drv->if_indices[i].ifindex == 0) {
8403 drv->if_indices[i].ifindex = ifidx;
8404 drv->if_indices[i].reason = ifidx_reason;
8405 dump_ifidx(drv);
8406 return;
8407 }
8408 }
8409
8410 if (drv->if_indices != drv->default_if_indices)
8411 old = drv->if_indices;
8412 else
8413 old = NULL;
8414
8415 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
8416 sizeof(*old));
8417 if (!drv->if_indices) {
8418 if (!old)
8419 drv->if_indices = drv->default_if_indices;
8420 else
8421 drv->if_indices = old;
8422 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
8423 "interfaces");
8424 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
8425 return;
8426 }
8427 if (!old)
8428 os_memcpy(drv->if_indices, drv->default_if_indices,
8429 sizeof(drv->default_if_indices));
8430 drv->if_indices[drv->num_if_indices].ifindex = ifidx;
8431 drv->if_indices[drv->num_if_indices].reason = ifidx_reason;
8432 drv->num_if_indices++;
8433 dump_ifidx(drv);
8434 }
8435
8436
del_ifidx(struct wpa_driver_nl80211_data * drv,int ifidx,int ifidx_reason)8437 static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
8438 int ifidx_reason)
8439 {
8440 int i;
8441
8442 for (i = 0; i < drv->num_if_indices; i++) {
8443 if ((drv->if_indices[i].ifindex == ifidx ||
8444 ifidx == IFIDX_ANY) &&
8445 (drv->if_indices[i].reason == ifidx_reason ||
8446 ifidx_reason == IFIDX_ANY)) {
8447 drv->if_indices[i].ifindex = 0;
8448 drv->if_indices[i].reason = 0;
8449 break;
8450 }
8451 }
8452 dump_ifidx(drv);
8453 }
8454
8455
have_ifidx(struct wpa_driver_nl80211_data * drv,int ifidx,int ifidx_reason)8456 static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
8457 int ifidx_reason)
8458 {
8459 int i;
8460
8461 for (i = 0; i < drv->num_if_indices; i++)
8462 if (drv->if_indices[i].ifindex == ifidx &&
8463 (drv->if_indices[i].reason == ifidx_reason ||
8464 ifidx_reason == IFIDX_ANY))
8465 return 1;
8466
8467 return 0;
8468 }
8469
8470
i802_set_wds_sta(void * priv,const u8 * addr,int aid,int val,const char * bridge_ifname,char * ifname_wds)8471 static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
8472 const char *bridge_ifname, char *ifname_wds)
8473 {
8474 struct i802_bss *bss = priv;
8475 struct wpa_driver_nl80211_data *drv = bss->drv;
8476 char name[IFNAMSIZ + 1];
8477 union wpa_event_data event;
8478 int ret;
8479
8480 ret = os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
8481 if (ret >= (int) sizeof(name))
8482 wpa_printf(MSG_WARNING,
8483 "nl80211: WDS interface name was truncated");
8484 else if (ret < 0)
8485 return ret;
8486
8487 if (ifname_wds)
8488 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
8489
8490 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
8491 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
8492 if (val) {
8493 if (!if_nametoindex(name)) {
8494 if (nl80211_create_iface(drv, name,
8495 NL80211_IFTYPE_AP_VLAN,
8496 bss->addr, 1, NULL, NULL, 0) <
8497 0)
8498 return -1;
8499 if (bridge_ifname &&
8500 linux_br_add_if(drv->global->ioctl_sock,
8501 bridge_ifname, name) < 0)
8502 return -1;
8503
8504 os_memset(&event, 0, sizeof(event));
8505 event.wds_sta_interface.sta_addr = addr;
8506 event.wds_sta_interface.ifname = name;
8507 event.wds_sta_interface.istatus = INTERFACE_ADDED;
8508 wpa_supplicant_event(bss->ctx,
8509 EVENT_WDS_STA_INTERFACE_STATUS,
8510 &event);
8511 }
8512 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
8513 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
8514 "interface %s up", name);
8515 }
8516 return i802_set_sta_vlan(priv, addr, name, 0,
8517 NL80211_DRV_LINK_ID_NA);
8518 } else {
8519 if (bridge_ifname &&
8520 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
8521 name) < 0)
8522 wpa_printf(MSG_INFO,
8523 "nl80211: Failed to remove interface %s from bridge %s: %s",
8524 name, bridge_ifname, strerror(errno));
8525
8526 i802_set_sta_vlan(priv, addr, bss->ifname, 0,
8527 NL80211_DRV_LINK_ID_NA);
8528 nl80211_remove_iface(drv, if_nametoindex(name));
8529 os_memset(&event, 0, sizeof(event));
8530 event.wds_sta_interface.sta_addr = addr;
8531 event.wds_sta_interface.ifname = name;
8532 event.wds_sta_interface.istatus = INTERFACE_REMOVED;
8533 wpa_supplicant_event(bss->ctx, EVENT_WDS_STA_INTERFACE_STATUS,
8534 &event);
8535 return 0;
8536 }
8537 }
8538
8539
handle_eapol(int sock,void * eloop_ctx,void * sock_ctx)8540 static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
8541 {
8542 struct wpa_driver_nl80211_data *drv = eloop_ctx;
8543 struct sockaddr_ll lladdr;
8544 unsigned char buf[3000];
8545 int len;
8546 socklen_t fromlen = sizeof(lladdr);
8547
8548 len = recvfrom(sock, buf, sizeof(buf), 0,
8549 (struct sockaddr *)&lladdr, &fromlen);
8550 if (len < 0) {
8551 wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s",
8552 strerror(errno));
8553 return;
8554 }
8555
8556 if (have_ifidx(drv, lladdr.sll_ifindex, IFIDX_ANY))
8557 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
8558 }
8559
8560
i802_check_bridge(struct wpa_driver_nl80211_data * drv,struct i802_bss * bss,const char * brname,const char * ifname)8561 static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
8562 struct i802_bss *bss,
8563 const char *brname, const char *ifname)
8564 {
8565 int br_ifindex;
8566 char in_br[IFNAMSIZ];
8567
8568 os_strlcpy(bss->brname, brname, IFNAMSIZ);
8569 br_ifindex = if_nametoindex(brname);
8570 if (br_ifindex == 0) {
8571 /*
8572 * Bridge was configured, but the bridge device does
8573 * not exist. Try to add it now.
8574 */
8575 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
8576 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
8577 "bridge interface %s: %s",
8578 brname, strerror(errno));
8579 return -1;
8580 }
8581 bss->added_bridge = 1;
8582 br_ifindex = if_nametoindex(brname);
8583 add_ifidx(drv, br_ifindex, drv->ifindex);
8584 }
8585 bss->br_ifindex = br_ifindex;
8586
8587 if (linux_br_get(in_br, ifname) == 0) {
8588 if (os_strcmp(in_br, brname) == 0) {
8589 bss->already_in_bridge = 1;
8590 return 0; /* already in the bridge */
8591 }
8592
8593 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
8594 "bridge %s", ifname, in_br);
8595 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
8596 0) {
8597 wpa_printf(MSG_ERROR, "nl80211: Failed to "
8598 "remove interface %s from bridge "
8599 "%s: %s",
8600 ifname, in_br, strerror(errno));
8601 return -1;
8602 }
8603 }
8604
8605 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
8606 ifname, brname);
8607 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
8608 wpa_printf(MSG_WARNING,
8609 "nl80211: Failed to add interface %s into bridge %s: %s",
8610 ifname, brname, strerror(errno));
8611 /* Try to continue without the interface being in a bridge. This
8612 * may be needed for some cases, e.g., with Open vSwitch, where
8613 * an external component will need to handle bridge
8614 * configuration. */
8615 return 0;
8616 }
8617 bss->added_if_into_bridge = 1;
8618
8619 return 0;
8620 }
8621
8622
i802_init(struct hostapd_data * hapd,struct wpa_init_params * params)8623 static void *i802_init(struct hostapd_data *hapd,
8624 struct wpa_init_params *params)
8625 {
8626 struct wpa_driver_nl80211_data *drv;
8627 struct i802_bss *bss;
8628 size_t i;
8629 char master_ifname[IFNAMSIZ];
8630 int ifindex, br_ifindex = 0;
8631 int br_added = 0;
8632
8633 bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
8634 params->global_priv, 1,
8635 params->bssid, params->driver_params);
8636 if (bss == NULL)
8637 return NULL;
8638
8639 drv = bss->drv;
8640
8641 if (linux_br_get(master_ifname, params->ifname) == 0) {
8642 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
8643 params->ifname, master_ifname);
8644 br_ifindex = if_nametoindex(master_ifname);
8645 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
8646 } else if ((params->num_bridge == 0 || !params->bridge[0]) &&
8647 linux_master_get(master_ifname, params->ifname) == 0) {
8648 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in master %s",
8649 params->ifname, master_ifname);
8650 /* start listening for EAPOL on the master interface */
8651 add_ifidx(drv, if_nametoindex(master_ifname), drv->ifindex);
8652
8653 /* check if master itself is under bridge */
8654 if (linux_br_get(master_ifname, master_ifname) == 0) {
8655 wpa_printf(MSG_DEBUG, "nl80211: which is in bridge %s",
8656 master_ifname);
8657 br_ifindex = if_nametoindex(master_ifname);
8658 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
8659 }
8660 } else {
8661 master_ifname[0] = '\0';
8662 }
8663
8664 bss->br_ifindex = br_ifindex;
8665
8666 for (i = 0; i < params->num_bridge; i++) {
8667 if (params->bridge[i]) {
8668 ifindex = if_nametoindex(params->bridge[i]);
8669 if (ifindex)
8670 add_ifidx(drv, ifindex, drv->ifindex);
8671 if (ifindex == br_ifindex)
8672 br_added = 1;
8673 }
8674 }
8675
8676 /* start listening for EAPOL on the default AP interface */
8677 add_ifidx(drv, drv->ifindex, IFIDX_ANY);
8678
8679 if (params->num_bridge && params->bridge[0]) {
8680 if (i802_check_bridge(drv, bss, params->bridge[0],
8681 params->ifname) < 0)
8682 goto failed;
8683 if (os_strcmp(params->bridge[0], master_ifname) != 0)
8684 br_added = 1;
8685 }
8686
8687 if (!br_added && br_ifindex &&
8688 (params->num_bridge == 0 || !params->bridge[0]))
8689 add_ifidx(drv, br_ifindex, drv->ifindex);
8690
8691 if (bss->added_if_into_bridge || bss->already_in_bridge) {
8692 int err;
8693
8694 drv->rtnl_sk = nl_socket_alloc();
8695 if (drv->rtnl_sk == NULL) {
8696 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock");
8697 goto failed;
8698 }
8699
8700 err = nl_connect(drv->rtnl_sk, NETLINK_ROUTE);
8701 if (err) {
8702 wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s",
8703 nl_geterror(err));
8704 goto failed;
8705 }
8706 }
8707
8708 if (drv->capa.flags2 & WPA_DRIVER_FLAGS2_CONTROL_PORT_RX) {
8709 wpa_printf(MSG_DEBUG,
8710 "nl80211: Do not open EAPOL RX socket - using control port for RX");
8711 goto skip_eapol_sock;
8712 }
8713
8714 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
8715 if (drv->eapol_sock < 0) {
8716 wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
8717 strerror(errno));
8718 goto failed;
8719 }
8720
8721 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
8722 {
8723 wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol");
8724 goto failed;
8725 }
8726 skip_eapol_sock:
8727
8728 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
8729 params->own_addr))
8730 goto failed;
8731 os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN);
8732
8733 memcpy(bss->addr, params->own_addr, ETH_ALEN);
8734
8735 return bss;
8736
8737 failed:
8738 wpa_driver_nl80211_deinit(bss);
8739 return NULL;
8740 }
8741
8742
i802_deinit(void * priv)8743 static void i802_deinit(void *priv)
8744 {
8745 struct i802_bss *bss = priv;
8746 wpa_driver_nl80211_deinit(bss);
8747 }
8748
8749
wpa_driver_nl80211_if_type(enum wpa_driver_if_type type)8750 static enum nl80211_iftype wpa_driver_nl80211_if_type(
8751 enum wpa_driver_if_type type)
8752 {
8753 switch (type) {
8754 case WPA_IF_STATION:
8755 return NL80211_IFTYPE_STATION;
8756 case WPA_IF_P2P_CLIENT:
8757 case WPA_IF_P2P_GROUP:
8758 return NL80211_IFTYPE_P2P_CLIENT;
8759 case WPA_IF_AP_VLAN:
8760 return NL80211_IFTYPE_AP_VLAN;
8761 case WPA_IF_AP_BSS:
8762 return NL80211_IFTYPE_AP;
8763 case WPA_IF_P2P_GO:
8764 return NL80211_IFTYPE_P2P_GO;
8765 case WPA_IF_P2P_DEVICE:
8766 return NL80211_IFTYPE_P2P_DEVICE;
8767 case WPA_IF_MESH:
8768 return NL80211_IFTYPE_MESH_POINT;
8769 default:
8770 return -1;
8771 }
8772 }
8773
8774
nl80211_addr_in_use(struct nl80211_global * global,const u8 * addr)8775 static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
8776 {
8777 struct wpa_driver_nl80211_data *drv;
8778 dl_list_for_each(drv, &global->interfaces,
8779 struct wpa_driver_nl80211_data, list) {
8780 if (ether_addr_equal(addr, drv->first_bss->addr))
8781 return 1;
8782 }
8783 return 0;
8784 }
8785
8786
nl80211_vif_addr(struct wpa_driver_nl80211_data * drv,u8 * new_addr)8787 static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr)
8788 {
8789 unsigned int idx;
8790
8791 if (!drv->global)
8792 return -1;
8793
8794 os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN);
8795 for (idx = 0; idx < 64; idx++) {
8796 new_addr[0] = drv->first_bss->addr[0] | 0x02;
8797 new_addr[0] ^= idx << 2;
8798 if (!nl80211_addr_in_use(drv->global, new_addr))
8799 break;
8800 }
8801 if (idx == 64)
8802 return -1;
8803
8804 wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address "
8805 MACSTR, MAC2STR(new_addr));
8806
8807 return 0;
8808 }
8809
8810
8811 struct wdev_info {
8812 u64 wdev_id;
8813 int wdev_id_set;
8814 u8 macaddr[ETH_ALEN];
8815 };
8816
nl80211_wdev_handler(struct nl_msg * msg,void * arg)8817 static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
8818 {
8819 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8820 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8821 struct wdev_info *wi = arg;
8822
8823 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8824 genlmsg_attrlen(gnlh, 0), NULL);
8825 if (tb[NL80211_ATTR_WDEV]) {
8826 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
8827 wi->wdev_id_set = 1;
8828 }
8829
8830 if (tb[NL80211_ATTR_MAC])
8831 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
8832 ETH_ALEN);
8833
8834 return NL_SKIP;
8835 }
8836
8837
wpa_driver_nl80211_if_add(void * priv,enum wpa_driver_if_type type,const char * ifname,const u8 * addr,void * bss_ctx,void ** drv_priv,char * force_ifname,u8 * if_addr,const char * bridge,int use_existing,int setup_ap)8838 static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
8839 const char *ifname, const u8 *addr,
8840 void *bss_ctx, void **drv_priv,
8841 char *force_ifname, u8 *if_addr,
8842 const char *bridge, int use_existing,
8843 int setup_ap)
8844 {
8845 enum nl80211_iftype nlmode;
8846 struct i802_bss *bss = priv;
8847 struct wpa_driver_nl80211_data *drv = bss->drv;
8848 int ifidx;
8849 int added = 1;
8850
8851 if (addr)
8852 os_memcpy(if_addr, addr, ETH_ALEN);
8853 nlmode = wpa_driver_nl80211_if_type(type);
8854 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
8855 struct wdev_info p2pdev_info;
8856
8857 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
8858 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
8859 0, nl80211_wdev_handler,
8860 &p2pdev_info, use_existing);
8861 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
8862 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
8863 ifname);
8864 return -1;
8865 }
8866
8867 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
8868 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
8869 if (!is_zero_ether_addr(p2pdev_info.macaddr))
8870 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
8871 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
8872 ifname,
8873 (long long unsigned int) p2pdev_info.wdev_id);
8874 } else {
8875 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
8876 0, NULL, NULL, use_existing);
8877 if (use_existing && ifidx == -ENFILE) {
8878 added = 0;
8879 ifidx = if_nametoindex(ifname);
8880 } else if (ifidx < 0) {
8881 return -1;
8882 }
8883 }
8884
8885 if (!addr) {
8886 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
8887 os_memcpy(if_addr, bss->addr, ETH_ALEN);
8888 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
8889 ifname, if_addr) < 0) {
8890 if (added)
8891 nl80211_remove_iface(drv, ifidx);
8892 return -1;
8893 }
8894 }
8895
8896 if (!addr &&
8897 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
8898 type == WPA_IF_P2P_GO || type == WPA_IF_MESH ||
8899 type == WPA_IF_STATION || type == WPA_IF_AP_BSS)) {
8900 /* Enforce unique address */
8901 u8 new_addr[ETH_ALEN];
8902
8903 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
8904 new_addr) < 0) {
8905 if (added)
8906 nl80211_remove_iface(drv, ifidx);
8907 return -1;
8908 }
8909 if (nl80211_addr_in_use(drv->global, new_addr)) {
8910 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
8911 "for interface %s type %d", ifname, type);
8912 if (nl80211_vif_addr(drv, new_addr) < 0) {
8913 if (added)
8914 nl80211_remove_iface(drv, ifidx);
8915 return -1;
8916 }
8917 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
8918 new_addr) < 0) {
8919 if (added)
8920 nl80211_remove_iface(drv, ifidx);
8921 return -1;
8922 }
8923 }
8924 os_memcpy(if_addr, new_addr, ETH_ALEN);
8925 }
8926
8927 if (type == WPA_IF_AP_BSS && setup_ap) {
8928 struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
8929
8930 if (new_bss == NULL) {
8931 if (added)
8932 nl80211_remove_iface(drv, ifidx);
8933 return -1;
8934 }
8935
8936 if (bridge &&
8937 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
8938 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
8939 "interface %s to a bridge %s",
8940 ifname, bridge);
8941 if (added)
8942 nl80211_remove_iface(drv, ifidx);
8943 os_free(new_bss);
8944 return -1;
8945 }
8946
8947 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
8948 {
8949 if (added)
8950 nl80211_remove_iface(drv, ifidx);
8951 os_free(new_bss);
8952 return -1;
8953 }
8954 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
8955 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
8956 new_bss->ifindex = ifidx;
8957 new_bss->drv = drv;
8958 new_bss->next = drv->first_bss->next;
8959 new_bss->flink = &new_bss->links[0];
8960 new_bss->valid_links = 0;
8961 os_memcpy(new_bss->flink->addr, new_bss->addr, ETH_ALEN);
8962
8963 new_bss->flink->freq = drv->first_bss->flink->freq;
8964 new_bss->ctx = bss_ctx;
8965 new_bss->added_if = added;
8966 drv->first_bss->next = new_bss;
8967 if (drv_priv)
8968 *drv_priv = new_bss;
8969 nl80211_init_bss(new_bss);
8970
8971 /* Subscribe management frames for this WPA_IF_AP_BSS */
8972 if (nl80211_setup_ap(new_bss))
8973 return -1;
8974 }
8975
8976 if (drv->global)
8977 drv->global->if_add_ifindex = ifidx;
8978
8979 /*
8980 * Some virtual interfaces need to process EAPOL packets and events on
8981 * the parent interface. This is used mainly with hostapd.
8982 */
8983 if (ifidx > 0 &&
8984 (drv->hostapd ||
8985 nlmode == NL80211_IFTYPE_AP_VLAN ||
8986 nlmode == NL80211_IFTYPE_WDS ||
8987 nlmode == NL80211_IFTYPE_MONITOR))
8988 add_ifidx(drv, ifidx, IFIDX_ANY);
8989
8990 return 0;
8991 }
8992
8993
wpa_driver_nl80211_if_remove(struct i802_bss * bss,enum wpa_driver_if_type type,const char * ifname)8994 static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
8995 enum wpa_driver_if_type type,
8996 const char *ifname)
8997 {
8998 struct wpa_driver_nl80211_data *drv = bss->drv;
8999 int ifindex = if_nametoindex(ifname);
9000
9001 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
9002 __func__, type, ifname, ifindex, bss->added_if);
9003 if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex))
9004 nl80211_remove_iface(drv, ifindex);
9005 else if (ifindex > 0 && !bss->added_if) {
9006 struct wpa_driver_nl80211_data *drv2;
9007 dl_list_for_each(drv2, &drv->global->interfaces,
9008 struct wpa_driver_nl80211_data, list) {
9009 del_ifidx(drv2, ifindex, IFIDX_ANY);
9010 del_ifidx(drv2, IFIDX_ANY, ifindex);
9011 }
9012 }
9013
9014 if (type != WPA_IF_AP_BSS)
9015 return 0;
9016
9017 if (bss->added_if_into_bridge) {
9018 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
9019 bss->ifname) < 0)
9020 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
9021 "interface %s from bridge %s: %s",
9022 bss->ifname, bss->brname, strerror(errno));
9023 }
9024 if (bss->added_bridge) {
9025 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
9026 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
9027 "bridge %s: %s",
9028 bss->brname, strerror(errno));
9029 }
9030
9031 if (bss != drv->first_bss) {
9032 struct i802_bss *tbss;
9033
9034 wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it");
9035 for (tbss = drv->first_bss; tbss; tbss = tbss->next) {
9036 if (tbss->next == bss) {
9037 tbss->next = bss->next;
9038 /* Unsubscribe management frames */
9039 nl80211_teardown_ap(bss);
9040 nl80211_remove_links(bss);
9041 nl80211_destroy_bss(bss);
9042 if (!bss->added_if)
9043 i802_set_iface_flags(bss, 0);
9044 os_free(bss);
9045 bss = NULL;
9046 break;
9047 }
9048 }
9049 if (bss)
9050 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
9051 "BSS %p in the list", __func__, bss);
9052 } else {
9053 wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context");
9054 nl80211_teardown_ap(bss);
9055 nl80211_remove_links(bss);
9056 if (!bss->added_if && !drv->first_bss->next)
9057 wpa_driver_nl80211_del_beacon_all(bss);
9058 nl80211_destroy_bss(bss);
9059 if (!bss->added_if)
9060 i802_set_iface_flags(bss, 0);
9061 if (drv->first_bss->next) {
9062 drv->first_bss = drv->first_bss->next;
9063 drv->ctx = drv->first_bss->ctx;
9064 drv->ifindex = drv->first_bss->ifindex;
9065 os_free(bss);
9066 } else {
9067 wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to");
9068 }
9069 }
9070
9071 return 0;
9072 }
9073
9074
cookie_handler(struct nl_msg * msg,void * arg)9075 static int cookie_handler(struct nl_msg *msg, void *arg)
9076 {
9077 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9078 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9079 u64 *cookie = arg;
9080 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9081 genlmsg_attrlen(gnlh, 0), NULL);
9082 if (tb[NL80211_ATTR_COOKIE])
9083 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
9084 return NL_SKIP;
9085 }
9086
9087
nl80211_send_frame_cmd(struct i802_bss * bss,unsigned int freq,unsigned int wait,const u8 * buf,size_t buf_len,int save_cookie,int no_cck,int no_ack,int offchanok,const u16 * csa_offs,size_t csa_offs_len,int link_id)9088 static int nl80211_send_frame_cmd(struct i802_bss *bss,
9089 unsigned int freq, unsigned int wait,
9090 const u8 *buf, size_t buf_len,
9091 int save_cookie, int no_cck, int no_ack,
9092 int offchanok, const u16 *csa_offs,
9093 size_t csa_offs_len, int link_id)
9094 {
9095 struct wpa_driver_nl80211_data *drv = bss->drv;
9096 struct nl_msg *msg;
9097 u64 cookie;
9098 int ret = -1;
9099
9100 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
9101 "no_ack=%d offchanok=%d",
9102 freq, wait, no_cck, no_ack, offchanok);
9103 wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
9104
9105 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME)) ||
9106 ((link_id != NL80211_DRV_LINK_ID_NA) &&
9107 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)) ||
9108 (freq && nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
9109 (wait && nla_put_u32(msg, NL80211_ATTR_DURATION, wait)) ||
9110 (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
9111 drv->test_use_roc_tx) &&
9112 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) ||
9113 (no_cck && nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) ||
9114 (no_ack && nla_put_flag(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK)) ||
9115 (csa_offs && nla_put(msg, NL80211_ATTR_CSA_C_OFFSETS_TX,
9116 csa_offs_len * sizeof(u16), csa_offs)) ||
9117 nla_put(msg, NL80211_ATTR_FRAME, buf_len, buf))
9118 goto fail;
9119
9120 cookie = 0;
9121 ret = send_and_recv_resp(drv, msg, cookie_handler, &cookie);
9122 msg = NULL;
9123 if (ret) {
9124 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
9125 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
9126 freq, wait);
9127 } else {
9128 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
9129 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
9130 (long long unsigned int) cookie);
9131
9132 if (save_cookie)
9133 drv->send_frame_cookie = no_ack ? (u64) -1 : cookie;
9134
9135 if (!wait) {
9136 /* There is no need to store this cookie since there
9137 * is no wait that could be canceled later. */
9138 goto fail;
9139 }
9140 if (drv->num_send_frame_cookies == MAX_SEND_FRAME_COOKIES) {
9141 wpa_printf(MSG_DEBUG,
9142 "nl80211: Drop oldest pending send frame cookie 0x%llx",
9143 (long long unsigned int)
9144 drv->send_frame_cookies[0]);
9145 os_memmove(&drv->send_frame_cookies[0],
9146 &drv->send_frame_cookies[1],
9147 (MAX_SEND_FRAME_COOKIES - 1) *
9148 sizeof(u64));
9149 drv->num_send_frame_cookies--;
9150 }
9151 drv->send_frame_cookies[drv->num_send_frame_cookies] = cookie;
9152 drv->num_send_frame_cookies++;
9153 }
9154
9155 fail:
9156 nlmsg_free(msg);
9157 return ret;
9158 }
9159
9160
wpa_driver_nl80211_send_action(struct i802_bss * bss,unsigned int freq,unsigned int wait_time,const u8 * dst,const u8 * src,const u8 * bssid,const u8 * data,size_t data_len,int no_cck)9161 static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
9162 unsigned int freq,
9163 unsigned int wait_time,
9164 const u8 *dst, const u8 *src,
9165 const u8 *bssid,
9166 const u8 *data, size_t data_len,
9167 int no_cck)
9168 {
9169 struct wpa_driver_nl80211_data *drv = bss->drv;
9170 int ret = -1;
9171 u8 *buf;
9172 struct ieee80211_hdr *hdr;
9173 int offchanok = 1;
9174
9175 if (is_ap_interface(drv->nlmode) && (int) freq == bss->flink->freq &&
9176 bss->flink->beacon_set)
9177 offchanok = 0;
9178
9179 if (!freq && is_sta_interface(drv->nlmode))
9180 offchanok = 0;
9181
9182 wpa_printf(MSG_DEBUG,
9183 "nl80211: Send Action frame (ifindex=%d, freq=%u MHz wait=%d ms no_cck=%d offchanok=%d dst="
9184 MACSTR " src=" MACSTR " bssid=" MACSTR ")",
9185 drv->ifindex, freq, wait_time, no_cck, offchanok,
9186 MAC2STR(dst), MAC2STR(src), MAC2STR(bssid));
9187
9188 buf = os_zalloc(24 + data_len);
9189 if (buf == NULL)
9190 return ret;
9191 os_memcpy(buf + 24, data, data_len);
9192 hdr = (struct ieee80211_hdr *) buf;
9193 hdr->frame_control =
9194 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
9195 os_memcpy(hdr->addr1, dst, ETH_ALEN);
9196 os_memcpy(hdr->addr2, src, ETH_ALEN);
9197 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
9198
9199 if (!ether_addr_equal(bss->addr, src)) {
9200 wpa_printf(MSG_DEBUG, "nl80211: Use random TA " MACSTR,
9201 MAC2STR(src));
9202 os_memcpy(bss->rand_addr, src, ETH_ALEN);
9203 } else {
9204 os_memset(bss->rand_addr, 0, ETH_ALEN);
9205 }
9206
9207 #ifdef CONFIG_MESH
9208 if (is_mesh_interface(drv->nlmode)) {
9209 struct hostapd_hw_modes *modes;
9210 u16 num_modes, flags;
9211 u8 dfs_domain;
9212 int i;
9213
9214 modes = nl80211_get_hw_feature_data(bss, &num_modes,
9215 &flags, &dfs_domain);
9216 if (dfs_domain != HOSTAPD_DFS_REGION_ETSI &&
9217 ieee80211_is_dfs(bss->flink->freq, modes, num_modes))
9218 offchanok = 0;
9219 if (modes) {
9220 for (i = 0; i < num_modes; i++) {
9221 os_free(modes[i].channels);
9222 os_free(modes[i].rates);
9223 }
9224 os_free(modes);
9225 }
9226 }
9227 #endif /* CONFIG_MESH */
9228
9229 if (is_ap_interface(drv->nlmode) &&
9230 (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
9231 (int) freq == bss->flink->freq || drv->device_ap_sme ||
9232 !drv->use_monitor))
9233 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
9234 0, freq, no_cck, offchanok,
9235 wait_time, NULL, 0, 0, -1);
9236 else
9237 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
9238 24 + data_len, 1, no_cck, 0,
9239 offchanok, NULL, 0,
9240 NL80211_DRV_LINK_ID_NA);
9241
9242 os_free(buf);
9243 return ret;
9244 }
9245
9246
nl80211_frame_wait_cancel(struct i802_bss * bss,u64 cookie)9247 static void nl80211_frame_wait_cancel(struct i802_bss *bss, u64 cookie)
9248 {
9249 struct wpa_driver_nl80211_data *drv = bss->drv;
9250 struct nl_msg *msg;
9251 int ret;
9252
9253 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
9254 (long long unsigned int) cookie);
9255 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME_WAIT_CANCEL)) ||
9256 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) {
9257 nlmsg_free(msg);
9258 return;
9259 }
9260
9261 ret = send_and_recv_cmd(drv, msg);
9262 if (ret)
9263 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
9264 "(%s)", ret, strerror(-ret));
9265 }
9266
9267
wpa_driver_nl80211_send_action_cancel_wait(void * priv)9268 static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
9269 {
9270 struct i802_bss *bss = priv;
9271 struct wpa_driver_nl80211_data *drv = bss->drv;
9272 unsigned int i;
9273 u64 cookie;
9274
9275 /* Cancel the last pending TX cookie */
9276 if (drv->send_frame_cookie != (u64) -1)
9277 nl80211_frame_wait_cancel(bss, drv->send_frame_cookie);
9278
9279 /*
9280 * Cancel the other pending TX cookies, if any. This is needed since
9281 * the driver may keep a list of all pending offchannel TX operations
9282 * and free up the radio only once they have expired or cancelled.
9283 */
9284 for (i = drv->num_send_frame_cookies; i > 0; i--) {
9285 cookie = drv->send_frame_cookies[i - 1];
9286 if (cookie != drv->send_frame_cookie)
9287 nl80211_frame_wait_cancel(bss, cookie);
9288 }
9289 drv->num_send_frame_cookies = 0;
9290 }
9291
9292
nl80211_put_any_link_id(struct nl_msg * msg,struct driver_sta_mlo_info * mlo,int freq)9293 static int nl80211_put_any_link_id(struct nl_msg *msg,
9294 struct driver_sta_mlo_info *mlo,
9295 int freq)
9296 {
9297 int i;
9298 int link_id = -1;
9299 int any_valid_link_id = -1;
9300
9301 if (!mlo->valid_links)
9302 return 0;
9303
9304 /* First try to pick a link that uses the same band */
9305 for_each_link(mlo->valid_links, i) {
9306 if (any_valid_link_id == -1)
9307 any_valid_link_id = i;
9308
9309 if (is_same_band(freq, mlo->links[i].freq)) {
9310 link_id = i;
9311 break;
9312 }
9313 }
9314
9315 /* Use any valid link ID if no band match was found */
9316 if (link_id == -1)
9317 link_id = any_valid_link_id;
9318
9319 if (link_id == -1) {
9320 wpa_printf(MSG_INFO,
9321 "nl80211: No valid Link ID found for freq %u", freq);
9322 return 0;
9323 }
9324
9325 wpa_printf(MSG_DEBUG, "nl80211: Add Link ID %d", link_id);
9326 return nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id);
9327 }
9328
9329
wpa_driver_nl80211_remain_on_channel(void * priv,unsigned int freq,unsigned int duration)9330 static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
9331 unsigned int duration)
9332 {
9333 struct i802_bss *bss = priv;
9334 struct wpa_driver_nl80211_data *drv = bss->drv;
9335 struct nl_msg *msg;
9336 int ret;
9337 u64 cookie;
9338
9339 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REMAIN_ON_CHANNEL)) ||
9340 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
9341 nla_put_u32(msg, NL80211_ATTR_DURATION, duration) ||
9342 nl80211_put_any_link_id(msg, &drv->sta_mlo_info, freq)) {
9343 nlmsg_free(msg);
9344 return -1;
9345 }
9346
9347 cookie = 0;
9348 ret = send_and_recv_resp(drv, msg, cookie_handler, &cookie);
9349 if (ret == 0) {
9350 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
9351 "0x%llx for freq=%u MHz duration=%u",
9352 (long long unsigned int) cookie, freq, duration);
9353 drv->remain_on_chan_cookie = cookie;
9354 drv->pending_remain_on_chan = 1;
9355 return 0;
9356 }
9357 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
9358 "(freq=%d duration=%u): %d (%s)",
9359 freq, duration, ret, strerror(-ret));
9360 return -1;
9361 }
9362
9363
wpa_driver_nl80211_cancel_remain_on_channel(void * priv)9364 static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
9365 {
9366 struct i802_bss *bss = priv;
9367 struct wpa_driver_nl80211_data *drv = bss->drv;
9368 struct nl_msg *msg;
9369 int ret;
9370
9371 if (!drv->pending_remain_on_chan) {
9372 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
9373 "to cancel");
9374 return -1;
9375 }
9376
9377 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
9378 "0x%llx",
9379 (long long unsigned int) drv->remain_on_chan_cookie);
9380
9381 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
9382 if (!msg ||
9383 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie)) {
9384 nlmsg_free(msg);
9385 return -1;
9386 }
9387
9388 ret = send_and_recv_cmd(drv, msg);
9389 if (ret == 0)
9390 return 0;
9391 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
9392 "%d (%s)", ret, strerror(-ret));
9393 return -1;
9394 }
9395
9396
wpa_driver_nl80211_probe_req_report(struct i802_bss * bss,int report)9397 static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
9398 {
9399 struct wpa_driver_nl80211_data *drv = bss->drv;
9400
9401 if (!report) {
9402 if (bss->nl_preq && drv->device_ap_sme &&
9403 is_ap_interface(drv->nlmode) && !bss->in_deinit &&
9404 !bss->static_ap) {
9405 /*
9406 * Do not disable Probe Request reporting that was
9407 * enabled in nl80211_setup_ap().
9408 */
9409 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
9410 "Probe Request reporting nl_preq=%p while "
9411 "in AP mode", bss->nl_preq);
9412 } else if (bss->nl_preq) {
9413 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
9414 "reporting nl_preq=%p", bss->nl_preq);
9415 nl80211_destroy_eloop_handle(&bss->nl_preq, 0);
9416 }
9417 return 0;
9418 }
9419
9420 if (bss->nl_preq) {
9421 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
9422 "already on! nl_preq=%p", bss->nl_preq);
9423 return 0;
9424 }
9425
9426 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
9427 if (bss->nl_preq == NULL)
9428 return -1;
9429 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
9430 "reporting nl_preq=%p", bss->nl_preq);
9431
9432 if (nl80211_register_frame(bss, bss->nl_preq,
9433 (WLAN_FC_TYPE_MGMT << 2) |
9434 (WLAN_FC_STYPE_PROBE_REQ << 4),
9435 NULL, 0, false) < 0)
9436 goto out_err;
9437
9438 nl80211_register_eloop_read(&bss->nl_preq,
9439 wpa_driver_nl80211_event_receive,
9440 bss->nl_cb, 0);
9441
9442 return 0;
9443
9444 out_err:
9445 nl_destroy_handles(&bss->nl_preq);
9446 return -1;
9447 }
9448
9449
nl80211_disable_11b_rates(struct wpa_driver_nl80211_data * drv,int ifindex,int disabled)9450 static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
9451 int ifindex, int disabled)
9452 {
9453 struct nl_msg *msg;
9454 struct nlattr *bands, *band;
9455 int ret;
9456
9457 wpa_printf(MSG_DEBUG,
9458 "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)",
9459 ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" :
9460 "no NL80211_TXRATE_LEGACY constraint");
9461
9462 msg = nl80211_ifindex_msg(drv, ifindex, 0,
9463 NL80211_CMD_SET_TX_BITRATE_MASK);
9464 if (!msg)
9465 return -1;
9466
9467 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
9468 if (!bands)
9469 goto fail;
9470
9471 /*
9472 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
9473 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
9474 * rates. All 5 GHz rates are left enabled.
9475 */
9476 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
9477 if (!band ||
9478 (disabled && nla_put(msg, NL80211_TXRATE_LEGACY, 8,
9479 "\x0c\x12\x18\x24\x30\x48\x60\x6c")))
9480 goto fail;
9481 nla_nest_end(msg, band);
9482
9483 nla_nest_end(msg, bands);
9484
9485 ret = send_and_recv_cmd(drv, msg);
9486 if (ret) {
9487 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
9488 "(%s)", ret, strerror(-ret));
9489 } else
9490 drv->disabled_11b_rates = disabled;
9491
9492 return ret;
9493
9494 fail:
9495 nlmsg_free(msg);
9496 return -1;
9497 }
9498
9499
nl80211_remove_link(struct i802_bss * bss,int link_id)9500 static int nl80211_remove_link(struct i802_bss *bss, int link_id)
9501 {
9502 struct wpa_driver_nl80211_data *drv = bss->drv;
9503 struct i802_link *link;
9504 struct nl_msg *msg;
9505 size_t i;
9506 int ret;
9507
9508 wpa_printf(MSG_DEBUG, "nl80211: Remove link (ifindex=%d link_id=%u)",
9509 bss->ifindex, link_id);
9510
9511 if (!(bss->valid_links & BIT(link_id))) {
9512 wpa_printf(MSG_DEBUG,
9513 "nl80211: MLD: remove link: Link not found");
9514 return -1;
9515 }
9516
9517 link = &bss->links[link_id];
9518
9519 wpa_driver_nl80211_del_beacon(bss, link_id);
9520
9521 /* First remove the link locally */
9522 bss->valid_links &= ~BIT(link_id);
9523 os_memset(link->addr, 0, ETH_ALEN);
9524
9525 /* Choose new deflink if we are removing that link */
9526 if (bss->flink == link) {
9527 for_each_link_default(bss->valid_links, i, 0) {
9528 bss->flink = &bss->links[i];
9529 break;
9530 }
9531 }
9532
9533 /* If this was the last link, reset default link */
9534 if (!bss->valid_links) {
9535 /* TODO: Does keeping freq/bandwidth make sense? */
9536 if (bss->flink != link)
9537 os_memcpy(bss->flink, link, sizeof(*link));
9538
9539 os_memcpy(bss->flink->addr, bss->addr, ETH_ALEN);
9540 }
9541
9542 /* Remove the link from the kernel */
9543 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_REMOVE_LINK);
9544 if (!msg ||
9545 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)) {
9546 nlmsg_free(msg);
9547 wpa_printf(MSG_ERROR,
9548 "nl80211: remove link (%d) failed", link_id);
9549 return -1;
9550 }
9551
9552 ret = send_and_recv_cmd(drv, msg);
9553 if (ret)
9554 wpa_printf(MSG_ERROR,
9555 "nl80211: remove link (%d) failed. ret=%d (%s)",
9556 link_id, ret, strerror(-ret));
9557
9558 return ret;
9559 }
9560
9561
nl80211_remove_links(struct i802_bss * bss)9562 static void nl80211_remove_links(struct i802_bss *bss)
9563 {
9564 int ret;
9565 u8 link_id;
9566
9567 for_each_link(bss->valid_links, link_id) {
9568 ret = nl80211_remove_link(bss, link_id);
9569 if (ret)
9570 break;
9571 }
9572
9573 if (bss->flink)
9574 os_memcpy(bss->flink->addr, bss->addr, ETH_ALEN);
9575 }
9576
9577
wpa_driver_nl80211_deinit_ap(void * priv)9578 static int wpa_driver_nl80211_deinit_ap(void *priv)
9579 {
9580 struct i802_bss *bss = priv;
9581 struct wpa_driver_nl80211_data *drv = bss->drv;
9582
9583 if (!is_ap_interface(drv->nlmode))
9584 return -1;
9585
9586 /* Stop beaconing */
9587 wpa_driver_nl80211_del_beacon(bss, NL80211_DRV_LINK_ID_NA);
9588
9589 nl80211_remove_links(bss);
9590
9591 /*
9592 * If the P2P GO interface was dynamically added, then it is
9593 * possible that the interface change to station is not possible.
9594 */
9595 if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
9596 return 0;
9597
9598 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
9599 }
9600
9601
wpa_driver_nl80211_stop_ap(void * priv,int link_id)9602 static int wpa_driver_nl80211_stop_ap(void *priv, int link_id)
9603 {
9604 struct i802_bss *bss = priv;
9605 struct wpa_driver_nl80211_data *drv = bss->drv;
9606
9607 if (!is_ap_interface(drv->nlmode))
9608 return -1;
9609
9610 if (link_id == -1) {
9611 wpa_driver_nl80211_del_beacon_all(bss);
9612 return 0;
9613 }
9614
9615 if (nl80211_link_valid(bss->valid_links, link_id)) {
9616 wpa_driver_nl80211_del_beacon(bss, link_id);
9617 return 0;
9618 }
9619
9620 return -1;
9621 }
9622
9623
wpa_driver_nl80211_deinit_p2p_cli(void * priv)9624 static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
9625 {
9626 struct i802_bss *bss = priv;
9627 struct wpa_driver_nl80211_data *drv = bss->drv;
9628 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
9629 return -1;
9630
9631 /*
9632 * If the P2P Client interface was dynamically added, then it is
9633 * possible that the interface change to station is not possible.
9634 */
9635 if (bss->if_dynamic)
9636 return 0;
9637
9638 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
9639 }
9640
9641
wpa_driver_nl80211_resume(void * priv)9642 static void wpa_driver_nl80211_resume(void *priv)
9643 {
9644 struct i802_bss *bss = priv;
9645 enum nl80211_iftype nlmode = nl80211_get_ifmode(bss);
9646
9647 if (i802_set_iface_flags(bss, 1))
9648 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
9649
9650 if (is_p2p_net_interface(nlmode))
9651 nl80211_disable_11b_rates(bss->drv, bss->drv->ifindex, 1);
9652 }
9653
9654
nl80211_signal_monitor(void * priv,int threshold,int hysteresis)9655 static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
9656 {
9657 struct i802_bss *bss = priv;
9658 struct wpa_driver_nl80211_data *drv = bss->drv;
9659 struct nl_msg *msg;
9660 struct nlattr *cqm;
9661
9662 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
9663 "hysteresis=%d", threshold, hysteresis);
9664
9665 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) ||
9666 !(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) ||
9667 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) ||
9668 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) {
9669 nlmsg_free(msg);
9670 return -1;
9671 }
9672 nla_nest_end(msg, cqm);
9673
9674 return send_and_recv_cmd(drv, msg);
9675 }
9676
9677
get_channel_width(struct nl_msg * msg,void * arg)9678 static int get_channel_width(struct nl_msg *msg, void *arg)
9679 {
9680 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9681 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9682 struct wpa_signal_info *sig_change = arg;
9683
9684 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9685 genlmsg_attrlen(gnlh, 0), NULL);
9686
9687 sig_change->center_frq1 = -1;
9688 sig_change->center_frq2 = -1;
9689 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
9690
9691 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
9692 sig_change->chanwidth = convert2width(
9693 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
9694 if (tb[NL80211_ATTR_CENTER_FREQ1])
9695 sig_change->center_frq1 =
9696 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
9697 if (tb[NL80211_ATTR_CENTER_FREQ2])
9698 sig_change->center_frq2 =
9699 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
9700 }
9701
9702 return NL_SKIP;
9703 }
9704
9705
nl80211_get_channel_width(struct wpa_driver_nl80211_data * drv,struct wpa_signal_info * sig)9706 static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
9707 struct wpa_signal_info *sig)
9708 {
9709 struct nl_msg *msg;
9710
9711 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
9712 return send_and_recv_resp(drv, msg, get_channel_width, sig);
9713 }
9714
9715
nl80211_signal_poll(void * priv,struct wpa_signal_info * si)9716 static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
9717 {
9718 struct i802_bss *bss = priv;
9719 struct wpa_driver_nl80211_data *drv = bss->drv;
9720 int res;
9721
9722 os_memset(si, 0, sizeof(*si));
9723 res = nl80211_get_link_signal(drv, drv->bssid, &si->data);
9724 if (res) {
9725 if (drv->nlmode != NL80211_IFTYPE_ADHOC &&
9726 drv->nlmode != NL80211_IFTYPE_MESH_POINT)
9727 return res;
9728 si->data.signal = 0;
9729 }
9730
9731 res = nl80211_get_channel_width(drv, si);
9732 if (res != 0)
9733 return res;
9734
9735 return nl80211_get_link_noise(drv, si);
9736 }
9737
9738
get_links_noise(struct nl_msg * msg,void * arg)9739 static int get_links_noise(struct nl_msg *msg, void *arg)
9740 {
9741 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9742 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9743 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
9744 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
9745 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
9746 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
9747 };
9748 struct wpa_mlo_signal_info *mlo_sig = arg;
9749 int i;
9750
9751 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9752 genlmsg_attrlen(gnlh, 0), NULL);
9753
9754 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
9755 wpa_printf(MSG_DEBUG, "nl80211: Survey data missing");
9756 return NL_SKIP;
9757 }
9758
9759 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
9760 tb[NL80211_ATTR_SURVEY_INFO],
9761 survey_policy)) {
9762 wpa_printf(MSG_DEBUG,
9763 "nl80211: Failed to parse nested attributes");
9764 return NL_SKIP;
9765 }
9766
9767 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
9768 return NL_SKIP;
9769
9770 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
9771 return NL_SKIP;
9772
9773 for_each_link(mlo_sig->valid_links, i) {
9774 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
9775 mlo_sig->links[i].frequency)
9776 continue;
9777
9778 mlo_sig->links[i].current_noise =
9779 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
9780 break;
9781 }
9782
9783 return NL_SKIP;
9784 }
9785
9786
nl80211_get_links_noise(struct wpa_driver_nl80211_data * drv,struct wpa_mlo_signal_info * mlo_sig)9787 static int nl80211_get_links_noise(struct wpa_driver_nl80211_data *drv,
9788 struct wpa_mlo_signal_info *mlo_sig)
9789 {
9790 struct nl_msg *msg;
9791
9792 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
9793 return send_and_recv_resp(drv, msg, get_links_noise, mlo_sig);
9794 }
9795
9796
get_links_channel_width(struct nl_msg * msg,void * arg)9797 static int get_links_channel_width(struct nl_msg *msg, void *arg)
9798 {
9799 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9800 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9801 struct wpa_mlo_signal_info *mlo_sig = arg;
9802 struct nlattr *link;
9803 int rem_links;
9804
9805 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9806 genlmsg_attrlen(gnlh, 0), NULL);
9807
9808 if (!tb[NL80211_ATTR_MLO_LINKS])
9809 return NL_SKIP;
9810
9811 nla_for_each_nested(link, tb[NL80211_ATTR_MLO_LINKS], rem_links) {
9812 struct nlattr *tb2[NL80211_ATTR_MAX + 1];
9813 int link_id;
9814
9815 nla_parse(tb2, NL80211_ATTR_MAX, nla_data(link), nla_len(link),
9816 NULL);
9817
9818 if (!tb2[NL80211_ATTR_MLO_LINK_ID])
9819 continue;
9820
9821 link_id = nla_get_u8(tb2[NL80211_ATTR_MLO_LINK_ID]);
9822 if (link_id >= MAX_NUM_MLD_LINKS)
9823 continue;
9824
9825 if (!tb2[NL80211_ATTR_CHANNEL_WIDTH])
9826 continue;
9827 mlo_sig->links[link_id].chanwidth = convert2width(
9828 nla_get_u32(tb2[NL80211_ATTR_CHANNEL_WIDTH]));
9829 if (tb2[NL80211_ATTR_CENTER_FREQ1])
9830 mlo_sig->links[link_id].center_frq1 =
9831 nla_get_u32(tb2[NL80211_ATTR_CENTER_FREQ1]);
9832 if (tb2[NL80211_ATTR_CENTER_FREQ2])
9833 mlo_sig->links[link_id].center_frq2 =
9834 nla_get_u32(tb2[NL80211_ATTR_CENTER_FREQ2]);
9835 }
9836
9837 return NL_SKIP;
9838 }
9839
9840
nl80211_get_links_channel_width(struct wpa_driver_nl80211_data * drv,struct wpa_mlo_signal_info * mlo_sig)9841 static int nl80211_get_links_channel_width(struct wpa_driver_nl80211_data *drv,
9842 struct wpa_mlo_signal_info *mlo_sig)
9843 {
9844 struct nl_msg *msg;
9845
9846 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
9847 return send_and_recv_resp(drv, msg, get_links_channel_width, mlo_sig);
9848 }
9849
9850
nl80211_mlo_signal_poll(void * priv,struct wpa_mlo_signal_info * mlo_si)9851 static int nl80211_mlo_signal_poll(void *priv,
9852 struct wpa_mlo_signal_info *mlo_si)
9853 {
9854 struct i802_bss *bss = priv;
9855 struct wpa_driver_nl80211_data *drv = bss->drv;
9856 int res;
9857 int i;
9858
9859 if (drv->nlmode != NL80211_IFTYPE_STATION ||
9860 !drv->sta_mlo_info.valid_links)
9861 return -1;
9862
9863 os_memset(mlo_si, 0, sizeof(*mlo_si));
9864 mlo_si->valid_links = drv->sta_mlo_info.valid_links;
9865
9866 for_each_link(mlo_si->valid_links, i) {
9867 res = nl80211_get_link_signal(drv,
9868 drv->sta_mlo_info.links[i].bssid,
9869 &mlo_si->links[i].data);
9870 if (res != 0)
9871 return res;
9872
9873 mlo_si->links[i].center_frq1 = -1;
9874 mlo_si->links[i].center_frq2 = -1;
9875 mlo_si->links[i].chanwidth = CHAN_WIDTH_UNKNOWN;
9876 mlo_si->links[i].current_noise = WPA_INVALID_NOISE;
9877 mlo_si->links[i].frequency = drv->sta_mlo_info.links[i].freq;
9878 }
9879
9880 res = nl80211_get_links_channel_width(drv, mlo_si);
9881 if (res != 0)
9882 return res;
9883
9884 return nl80211_get_links_noise(drv, mlo_si);
9885 }
9886
9887
nl80211_set_param(void * priv,const char * param)9888 static int nl80211_set_param(void *priv, const char *param)
9889 {
9890 struct i802_bss *bss = priv;
9891 struct wpa_driver_nl80211_data *drv = bss->drv;
9892
9893 if (param == NULL)
9894 return 0;
9895 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
9896
9897 #ifdef CONFIG_P2P
9898 if (os_strstr(param, "use_p2p_group_interface=1")) {
9899 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
9900 "interface");
9901 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
9902 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
9903 }
9904 #endif /* CONFIG_P2P */
9905
9906 if (os_strstr(param, "use_monitor=1"))
9907 drv->use_monitor = 1;
9908
9909 if (os_strstr(param, "force_connect_cmd=1")) {
9910 drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME;
9911 drv->force_connect_cmd = 1;
9912 }
9913
9914 if (os_strstr(param, "force_bss_selection=1"))
9915 drv->capa.flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
9916
9917 if (os_strstr(param, "no_offchannel_tx=1")) {
9918 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
9919 drv->test_use_roc_tx = 1;
9920 }
9921
9922 if (os_strstr(param, "control_port=0")) {
9923 drv->capa.flags &= ~WPA_DRIVER_FLAGS_CONTROL_PORT;
9924 drv->capa.flags2 &= ~(WPA_DRIVER_FLAGS2_CONTROL_PORT_RX |
9925 WPA_DRIVER_FLAGS2_CONTROL_PORT_TX_STATUS);
9926 drv->control_port_ap = 0;
9927 }
9928
9929 if (os_strstr(param, "control_port_ap=1"))
9930 drv->control_port_ap = 1;
9931
9932 if (os_strstr(param, "control_port_ap=0")) {
9933 drv->capa.flags2 &= ~WPA_DRIVER_FLAGS2_CONTROL_PORT_TX_STATUS;
9934 drv->control_port_ap = 0;
9935 }
9936
9937 if (os_strstr(param, "full_ap_client_state=0"))
9938 drv->capa.flags &= ~WPA_DRIVER_FLAGS_FULL_AP_CLIENT_STATE;
9939
9940 if (os_strstr(param, "no_rrm=1")) {
9941 drv->no_rrm = 1;
9942
9943 if (!bss->in_deinit && !is_ap_interface(drv->nlmode) &&
9944 !is_mesh_interface(drv->nlmode)) {
9945 nl80211_mgmt_unsubscribe(bss, "no_rrm=1");
9946 if (nl80211_mgmt_subscribe_non_ap(bss) < 0)
9947 wpa_printf(MSG_DEBUG,
9948 "nl80211: Failed to re-register Action frame processing - ignore for now");
9949 }
9950 }
9951
9952 if (os_strstr(param, "secure_ltf=1")) {
9953 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_SEC_LTF_STA |
9954 WPA_DRIVER_FLAGS2_SEC_LTF_AP;
9955 }
9956
9957 if (os_strstr(param, "rsn_override_in_driver=1"))
9958 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_RSN_OVERRIDE_STA;
9959
9960 return 0;
9961 }
9962
9963
nl80211_global_init(void * ctx)9964 static void * nl80211_global_init(void *ctx)
9965 {
9966 struct nl80211_global *global;
9967 struct netlink_config *cfg;
9968 struct utsname name;
9969
9970 if (uname(&name) == 0) {
9971 wpa_printf(MSG_DEBUG, "nl80211: Kernel version: %s %s (%s; %s)",
9972 name.sysname, name.release,
9973 name.version, name.machine);
9974 }
9975
9976 global = os_zalloc(sizeof(*global));
9977 if (global == NULL)
9978 return NULL;
9979 global->ctx = ctx;
9980 global->ioctl_sock = -1;
9981 dl_list_init(&global->interfaces);
9982 global->if_add_ifindex = -1;
9983
9984 cfg = os_zalloc(sizeof(*cfg));
9985 if (cfg == NULL)
9986 goto err;
9987
9988 cfg->ctx = global;
9989 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
9990 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
9991 global->netlink = netlink_init(cfg);
9992 if (global->netlink == NULL) {
9993 os_free(cfg);
9994 goto err;
9995 }
9996
9997 if (wpa_driver_nl80211_init_nl_global(global) < 0)
9998 goto err;
9999
10000 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
10001 if (global->ioctl_sock < 0) {
10002 wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
10003 strerror(errno));
10004 goto err;
10005 }
10006
10007 return global;
10008
10009 err:
10010 nl80211_global_deinit(global);
10011 return NULL;
10012 }
10013
10014
nl80211_global_deinit(void * priv)10015 static void nl80211_global_deinit(void *priv)
10016 {
10017 struct nl80211_global *global = priv;
10018 if (global == NULL)
10019 return;
10020 if (!dl_list_empty(&global->interfaces)) {
10021 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
10022 "nl80211_global_deinit",
10023 dl_list_len(&global->interfaces));
10024 }
10025
10026 if (global->netlink)
10027 netlink_deinit(global->netlink);
10028
10029 nl_destroy_handles(&global->nl);
10030
10031 if (global->nl_event)
10032 nl80211_destroy_eloop_handle(&global->nl_event, 0);
10033
10034 nl_cb_put(global->nl_cb);
10035
10036 if (global->ioctl_sock >= 0)
10037 close(global->ioctl_sock);
10038
10039 os_free(global);
10040 }
10041
10042
nl80211_get_radio_name(void * priv)10043 static const char * nl80211_get_radio_name(void *priv)
10044 {
10045 struct i802_bss *bss = priv;
10046 struct wpa_driver_nl80211_data *drv = bss->drv;
10047 return drv->phyname;
10048 }
10049
10050
nl80211_pmkid(struct i802_bss * bss,int cmd,struct wpa_pmkid_params * params,bool skip_pmk)10051 static int nl80211_pmkid(struct i802_bss *bss, int cmd,
10052 struct wpa_pmkid_params *params, bool skip_pmk)
10053 {
10054 struct nl_msg *msg;
10055
10056 if (cmd == NL80211_CMD_SET_PMKSA)
10057 wpa_printf(MSG_DEBUG,
10058 "nl80211: NL80211_CMD_SET_PMKSA with skip_pmk=%s pmk_len=%zu",
10059 skip_pmk ? "true" : "false", params->pmk_len);
10060
10061 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
10062 (params->pmkid &&
10063 nla_put(msg, NL80211_ATTR_PMKID, 16, params->pmkid)) ||
10064 (params->bssid &&
10065 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid)) ||
10066 (params->ssid_len &&
10067 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) ||
10068 (params->fils_cache_id &&
10069 nla_put(msg, NL80211_ATTR_FILS_CACHE_ID, 2,
10070 params->fils_cache_id)) ||
10071 (params->pmk_lifetime &&
10072 nla_put_u32(msg, NL80211_ATTR_PMK_LIFETIME,
10073 params->pmk_lifetime)) ||
10074 (params->pmk_reauth_threshold &&
10075 nla_put_u8(msg, NL80211_ATTR_PMK_REAUTH_THRESHOLD,
10076 params->pmk_reauth_threshold)) ||
10077 (cmd != NL80211_CMD_DEL_PMKSA &&
10078 params->pmk_len && !skip_pmk &&
10079 nla_put(msg, NL80211_ATTR_PMK, params->pmk_len, params->pmk))) {
10080 nl80211_nlmsg_clear(msg);
10081 nlmsg_free(msg);
10082 return -ENOBUFS;
10083 }
10084
10085 return send_and_recv_cmd(bss->drv, msg);
10086 }
10087
10088
nl80211_add_pmkid(void * priv,struct wpa_pmkid_params * params)10089 static int nl80211_add_pmkid(void *priv, struct wpa_pmkid_params *params)
10090 {
10091 struct i802_bss *bss = priv;
10092 const size_t PMK_MAX_LEN = 64; /* current cfg80211 limit */
10093 const size_t LEGACY_PMK_MAX_LEN = 48; /* old cfg80211 limit */
10094 bool skip_pmk = params->pmk_len > PMK_MAX_LEN;
10095 int ret;
10096
10097 if (params->bssid)
10098 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR,
10099 MAC2STR(params->bssid));
10100 else if (params->fils_cache_id && params->ssid_len) {
10101 wpa_printf(MSG_DEBUG,
10102 "nl80211: Add PMKSA for cache id %02x%02x SSID %s",
10103 params->fils_cache_id[0], params->fils_cache_id[1],
10104 wpa_ssid_txt(params->ssid, params->ssid_len));
10105 }
10106
10107 ret = nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, params, skip_pmk);
10108 /*
10109 * Try again by skipping PMK if the first attempt failed with ERANGE
10110 * error, PMK was not skipped, and PMK length is greater than the
10111 * legacy kernel maximum allowed limit.
10112 */
10113 if (ret == -ERANGE && !skip_pmk &&
10114 params->pmk_len > LEGACY_PMK_MAX_LEN)
10115 ret = nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, params, true);
10116 if (ret < 0) {
10117 wpa_printf(MSG_DEBUG,
10118 "nl80211: NL80211_CMD_SET_PMKSA failed: %d (%s)",
10119 ret, strerror(-ret));
10120 }
10121
10122 return ret;
10123 }
10124
10125
nl80211_remove_pmkid(void * priv,struct wpa_pmkid_params * params)10126 static int nl80211_remove_pmkid(void *priv, struct wpa_pmkid_params *params)
10127 {
10128 struct i802_bss *bss = priv;
10129 int ret;
10130
10131 if (params->bssid)
10132 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
10133 MAC2STR(params->bssid));
10134 else if (params->fils_cache_id && params->ssid_len) {
10135 wpa_printf(MSG_DEBUG,
10136 "nl80211: Delete PMKSA for cache id %02x%02x SSID %s",
10137 params->fils_cache_id[0], params->fils_cache_id[1],
10138 wpa_ssid_txt(params->ssid, params->ssid_len));
10139 }
10140
10141 ret = nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, params, true);
10142 if (ret < 0) {
10143 wpa_printf(MSG_DEBUG,
10144 "nl80211: NL80211_CMD_DEL_PMKSA failed: %d (%s)",
10145 ret, strerror(-ret));
10146 }
10147
10148 return ret;
10149 }
10150
10151
nl80211_flush_pmkid(void * priv)10152 static int nl80211_flush_pmkid(void *priv)
10153 {
10154 struct i802_bss *bss = priv;
10155 struct nl_msg *msg;
10156
10157 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
10158 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_FLUSH_PMKSA);
10159 if (!msg)
10160 return -ENOBUFS;
10161 return send_and_recv_cmd(bss->drv, msg);
10162 }
10163
10164
clean_survey_results(struct survey_results * survey_results)10165 static void clean_survey_results(struct survey_results *survey_results)
10166 {
10167 struct freq_survey *survey, *tmp;
10168
10169 if (dl_list_empty(&survey_results->survey_list))
10170 return;
10171
10172 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
10173 struct freq_survey, list) {
10174 dl_list_del(&survey->list);
10175 os_free(survey);
10176 }
10177 }
10178
10179
add_survey(struct nlattr ** sinfo,u32 ifidx,struct dl_list * survey_list)10180 static void add_survey(struct nlattr **sinfo, u32 ifidx,
10181 struct dl_list *survey_list)
10182 {
10183 struct freq_survey *survey;
10184
10185 survey = os_zalloc(sizeof(struct freq_survey));
10186 if (!survey)
10187 return;
10188
10189 survey->ifidx = ifidx;
10190 survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
10191 survey->filled = 0;
10192
10193 if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
10194 survey->nf = (int8_t)
10195 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
10196 survey->filled |= SURVEY_HAS_NF;
10197 }
10198
10199 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
10200 survey->channel_time =
10201 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
10202 survey->filled |= SURVEY_HAS_CHAN_TIME;
10203 }
10204
10205 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
10206 survey->channel_time_busy =
10207 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
10208 survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
10209 }
10210
10211 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
10212 survey->channel_time_rx =
10213 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
10214 survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
10215 }
10216
10217 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
10218 survey->channel_time_tx =
10219 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
10220 survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
10221 }
10222
10223 wpa_printf(MSG_DEBUG, "nl80211: Freq survey dump event (freq=%d MHz noise=%d channel_time=%ld busy_time=%ld tx_time=%ld rx_time=%ld filled=%04x)",
10224 survey->freq,
10225 survey->nf,
10226 (unsigned long int) survey->channel_time,
10227 (unsigned long int) survey->channel_time_busy,
10228 (unsigned long int) survey->channel_time_tx,
10229 (unsigned long int) survey->channel_time_rx,
10230 survey->filled);
10231
10232 dl_list_add_tail(survey_list, &survey->list);
10233 }
10234
10235
check_survey_ok(struct nlattr ** sinfo,u32 surveyed_freq,unsigned int freq_filter)10236 static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
10237 unsigned int freq_filter)
10238 {
10239 if (!freq_filter)
10240 return 1;
10241
10242 return freq_filter == surveyed_freq;
10243 }
10244
10245
survey_handler(struct nl_msg * msg,void * arg)10246 static int survey_handler(struct nl_msg *msg, void *arg)
10247 {
10248 struct nlattr *tb[NL80211_ATTR_MAX + 1];
10249 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10250 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
10251 struct survey_results *survey_results;
10252 u32 surveyed_freq = 0;
10253 u32 ifidx;
10254
10255 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
10256 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
10257 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
10258 };
10259
10260 survey_results = (struct survey_results *) arg;
10261
10262 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10263 genlmsg_attrlen(gnlh, 0), NULL);
10264
10265 if (!tb[NL80211_ATTR_IFINDEX])
10266 return NL_SKIP;
10267
10268 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
10269
10270 if (!tb[NL80211_ATTR_SURVEY_INFO])
10271 return NL_SKIP;
10272
10273 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
10274 tb[NL80211_ATTR_SURVEY_INFO],
10275 survey_policy))
10276 return NL_SKIP;
10277
10278 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
10279 wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
10280 return NL_SKIP;
10281 }
10282
10283 surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
10284
10285 if (!check_survey_ok(sinfo, surveyed_freq,
10286 survey_results->freq_filter))
10287 return NL_SKIP;
10288
10289 if (survey_results->freq_filter &&
10290 survey_results->freq_filter != surveyed_freq) {
10291 wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
10292 surveyed_freq);
10293 return NL_SKIP;
10294 }
10295
10296 add_survey(sinfo, ifidx, &survey_results->survey_list);
10297
10298 return NL_SKIP;
10299 }
10300
10301
wpa_driver_nl80211_get_survey(void * priv,unsigned int freq)10302 static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
10303 {
10304 struct i802_bss *bss = priv;
10305 struct wpa_driver_nl80211_data *drv = bss->drv;
10306 struct nl_msg *msg;
10307 int err;
10308 union wpa_event_data data;
10309 struct survey_results *survey_results;
10310
10311 os_memset(&data, 0, sizeof(data));
10312 survey_results = &data.survey_results;
10313
10314 dl_list_init(&survey_results->survey_list);
10315
10316 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
10317 if (!msg)
10318 return -ENOBUFS;
10319
10320 if (freq)
10321 data.survey_results.freq_filter = freq;
10322
10323 do {
10324 wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
10325 err = send_and_recv_resp(drv, msg, survey_handler,
10326 survey_results);
10327 } while (err > 0);
10328
10329 if (err)
10330 wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
10331 else
10332 wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
10333
10334 clean_survey_results(survey_results);
10335 return err;
10336 }
10337
10338
nl80211_set_rekey_info(void * priv,const u8 * kek,size_t kek_len,const u8 * kck,size_t kck_len,const u8 * replay_ctr)10339 static void nl80211_set_rekey_info(void *priv, const u8 *kek, size_t kek_len,
10340 const u8 *kck, size_t kck_len,
10341 const u8 *replay_ctr)
10342 {
10343 struct i802_bss *bss = priv;
10344 struct wpa_driver_nl80211_data *drv = bss->drv;
10345 struct nlattr *replay_nested;
10346 struct nl_msg *msg;
10347 int ret;
10348
10349 if (!drv->set_rekey_offload)
10350 return;
10351
10352 wpa_printf(MSG_DEBUG, "nl80211: Set rekey offload");
10353 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) ||
10354 !(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) ||
10355 nla_put(msg, NL80211_REKEY_DATA_KEK, kek_len, kek) ||
10356 (kck_len && nla_put(msg, NL80211_REKEY_DATA_KCK, kck_len, kck)) ||
10357 nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
10358 replay_ctr)) {
10359 nl80211_nlmsg_clear(msg);
10360 nlmsg_free(msg);
10361 return;
10362 }
10363
10364 nla_nest_end(msg, replay_nested);
10365
10366 ret = send_and_recv_cmd(drv, msg);
10367 if (ret == -EOPNOTSUPP) {
10368 wpa_printf(MSG_DEBUG,
10369 "nl80211: Driver does not support rekey offload");
10370 drv->set_rekey_offload = 0;
10371 }
10372 }
10373
10374
nl80211_send_null_frame(struct i802_bss * bss,const u8 * own_addr,const u8 * addr,int qos)10375 static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
10376 const u8 *addr, int qos)
10377 {
10378 /* send data frame to poll STA and check whether
10379 * this frame is ACKed */
10380 struct {
10381 struct ieee80211_hdr hdr;
10382 u16 qos_ctl;
10383 } STRUCT_PACKED nulldata;
10384 size_t size;
10385
10386 /* Send data frame to poll STA and check whether this frame is ACKed */
10387
10388 os_memset(&nulldata, 0, sizeof(nulldata));
10389
10390 if (qos) {
10391 nulldata.hdr.frame_control =
10392 IEEE80211_FC(WLAN_FC_TYPE_DATA,
10393 WLAN_FC_STYPE_QOS_NULL);
10394 size = sizeof(nulldata);
10395 } else {
10396 nulldata.hdr.frame_control =
10397 IEEE80211_FC(WLAN_FC_TYPE_DATA,
10398 WLAN_FC_STYPE_NULLFUNC);
10399 size = sizeof(struct ieee80211_hdr);
10400 }
10401
10402 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
10403 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
10404 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
10405 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
10406
10407 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
10408 0, 0, NULL, 0, 0, -1) < 0)
10409 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
10410 "send poll frame");
10411 }
10412
nl80211_poll_client(void * priv,const u8 * own_addr,const u8 * addr,int qos)10413 static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
10414 int qos)
10415 {
10416 struct i802_bss *bss = priv;
10417 struct wpa_driver_nl80211_data *drv = bss->drv;
10418 struct nl_msg *msg;
10419 u64 cookie;
10420 int ret;
10421
10422 if (!drv->poll_command_supported) {
10423 nl80211_send_null_frame(bss, own_addr, addr, qos);
10424 return;
10425 }
10426
10427 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) ||
10428 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
10429 nlmsg_free(msg);
10430 return;
10431 }
10432
10433 ret = send_and_recv_resp(drv, msg, cookie_handler, &cookie);
10434 if (ret < 0) {
10435 wpa_printf(MSG_DEBUG, "nl80211: Client probe request for "
10436 MACSTR " failed: ret=%d (%s)",
10437 MAC2STR(addr), ret, strerror(-ret));
10438 } else {
10439 wpa_printf(MSG_DEBUG,
10440 "nl80211: Client probe request addr=" MACSTR
10441 " cookie=%llu", MAC2STR(addr),
10442 (long long unsigned int) cookie);
10443 }
10444 }
10445
10446
nl80211_set_power_save(struct i802_bss * bss,int enabled)10447 static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
10448 {
10449 struct nl_msg *msg;
10450 int ret;
10451
10452 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) ||
10453 nla_put_u32(msg, NL80211_ATTR_PS_STATE,
10454 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) {
10455 nlmsg_free(msg);
10456 return -ENOBUFS;
10457 }
10458
10459 ret = send_and_recv_cmd(bss->drv, msg);
10460 if (ret < 0) {
10461 wpa_printf(MSG_DEBUG,
10462 "nl80211: Setting PS state %s failed: %d (%s)",
10463 enabled ? "enabled" : "disabled",
10464 ret, strerror(-ret));
10465 }
10466 return ret;
10467 }
10468
10469
nl80211_set_p2p_powersave(void * priv,int legacy_ps,int opp_ps,int ctwindow)10470 static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
10471 int ctwindow)
10472 {
10473 struct i802_bss *bss = priv;
10474
10475 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
10476 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
10477
10478 if (opp_ps != -1 || ctwindow != -1) {
10479 #ifdef ANDROID_P2P
10480 wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow);
10481 #else /* ANDROID_P2P */
10482 return -1; /* Not yet supported */
10483 #endif /* ANDROID_P2P */
10484 }
10485
10486 if (legacy_ps == -1)
10487 return 0;
10488 if (legacy_ps != 0 && legacy_ps != 1)
10489 return -1; /* Not yet supported */
10490
10491 return nl80211_set_power_save(bss, legacy_ps);
10492 }
10493
10494
nl80211_start_radar_detection(void * priv,struct hostapd_freq_params * freq)10495 static int nl80211_start_radar_detection(void *priv,
10496 struct hostapd_freq_params *freq)
10497 {
10498 struct i802_bss *bss = priv;
10499 struct wpa_driver_nl80211_data *drv = bss->drv;
10500 struct nl_msg *msg;
10501 int ret;
10502
10503 wpa_printf(MSG_DEBUG, "nl80211: Start radar detection (CAC) %d MHz (ht_enabled=%d, vht_enabled=%d, he_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
10504 freq->freq, freq->ht_enabled, freq->vht_enabled, freq->he_enabled,
10505 freq->bandwidth, freq->center_freq1, freq->center_freq2);
10506
10507 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
10508 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
10509 "detection");
10510 return -1;
10511 }
10512
10513 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_RADAR_DETECT)) ||
10514 nl80211_put_freq_params(msg, freq) < 0) {
10515 nlmsg_free(msg);
10516 return -1;
10517 }
10518
10519 ret = send_and_recv_cmd(drv, msg);
10520 if (ret == 0)
10521 return 0;
10522 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
10523 "%d (%s)", ret, strerror(-ret));
10524 return -1;
10525 }
10526
10527 #ifdef CONFIG_TDLS
10528
nl80211_add_peer_capab(struct nl_msg * msg,enum tdls_peer_capability capa)10529 static int nl80211_add_peer_capab(struct nl_msg *msg,
10530 enum tdls_peer_capability capa)
10531 {
10532 u32 peer_capab = 0;
10533
10534 if (!capa)
10535 return 0;
10536
10537 if (capa & TDLS_PEER_HT)
10538 peer_capab |= NL80211_TDLS_PEER_HT;
10539 if (capa & TDLS_PEER_VHT)
10540 peer_capab |= NL80211_TDLS_PEER_VHT;
10541 if (capa & TDLS_PEER_WMM)
10542 peer_capab |= NL80211_TDLS_PEER_WMM;
10543 if (capa & TDLS_PEER_HE)
10544 peer_capab |= NL80211_TDLS_PEER_HE;
10545
10546 return nla_put_u32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY,
10547 peer_capab);
10548 }
10549
10550
10551 static int
nl80211_tdls_set_discovery_resp_link(struct wpa_driver_nl80211_data * drv,int link_id)10552 nl80211_tdls_set_discovery_resp_link(struct wpa_driver_nl80211_data *drv,
10553 int link_id)
10554 {
10555 #ifdef CONFIG_DRIVER_NL80211_QCA
10556 struct nl_msg *msg;
10557 struct nlattr *params;
10558
10559 wpa_printf(MSG_DEBUG, "nl80211: TDLS Discovery Response Tx link ID %u",
10560 link_id);
10561
10562 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10563 nla_put_u32(msg, NL80211_ATTR_IFINDEX, drv->ifindex) ||
10564 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10565 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10566 QCA_NL80211_VENDOR_SUBCMD_TDLS_DISC_RSP_EXT) ||
10567 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10568 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_TDLS_DISC_RSP_EXT_TX_LINK,
10569 link_id)) {
10570 wpa_printf(MSG_ERROR,
10571 "%s: err in adding vendor_cmd and vendor_data",
10572 __func__);
10573 nlmsg_free(msg);
10574 return -1;
10575 }
10576 nla_nest_end(msg, params);
10577
10578 return send_and_recv_cmd(drv, msg);
10579 #else /* CONFIG_DRIVER_NL80211_QCA */
10580 wpa_printf(MSG_ERROR,
10581 "nl80211: Setting TX link for TDLS Discovery Response not supported");
10582 return -1;
10583 #endif /* CONFIG_DRIVER_NL80211_QCA */
10584 }
10585
10586
nl80211_send_tdls_mgmt(void * priv,const u8 * dst,u8 action_code,u8 dialog_token,u16 status_code,u32 peer_capab,int initiator,const u8 * buf,size_t len,int link_id)10587 static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
10588 u8 dialog_token, u16 status_code,
10589 u32 peer_capab, int initiator, const u8 *buf,
10590 size_t len, int link_id)
10591 {
10592 struct i802_bss *bss = priv;
10593 struct wpa_driver_nl80211_data *drv = bss->drv;
10594 struct nl_msg *msg;
10595
10596 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
10597 return -EOPNOTSUPP;
10598
10599 if (!dst)
10600 return -EINVAL;
10601
10602 if (link_id >= 0 &&
10603 nl80211_tdls_set_discovery_resp_link(drv, link_id) < 0)
10604 return -EOPNOTSUPP;
10605
10606 if (link_id < 0 && drv->sta_mlo_info.valid_links)
10607 link_id = drv->sta_mlo_info.assoc_link_id;
10608
10609 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) ||
10610 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
10611 nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) ||
10612 nla_put_u8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token) ||
10613 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status_code) ||
10614 (link_id >= 0 &&
10615 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)) ||
10616 nl80211_add_peer_capab(msg, peer_capab) ||
10617 (initiator && nla_put_flag(msg, NL80211_ATTR_TDLS_INITIATOR)) ||
10618 nla_put(msg, NL80211_ATTR_IE, len, buf))
10619 goto fail;
10620
10621 return send_and_recv_cmd(drv, msg);
10622
10623 fail:
10624 nlmsg_free(msg);
10625 return -ENOBUFS;
10626 }
10627
10628
nl80211_tdls_oper(void * priv,enum tdls_oper oper,const u8 * peer)10629 static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
10630 {
10631 struct i802_bss *bss = priv;
10632 struct wpa_driver_nl80211_data *drv = bss->drv;
10633 struct nl_msg *msg;
10634 enum nl80211_tdls_operation nl80211_oper;
10635 int res;
10636
10637 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
10638 return -EOPNOTSUPP;
10639
10640 switch (oper) {
10641 case TDLS_DISCOVERY_REQ:
10642 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
10643 break;
10644 case TDLS_SETUP:
10645 nl80211_oper = NL80211_TDLS_SETUP;
10646 break;
10647 case TDLS_TEARDOWN:
10648 nl80211_oper = NL80211_TDLS_TEARDOWN;
10649 break;
10650 case TDLS_ENABLE_LINK:
10651 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
10652 break;
10653 case TDLS_DISABLE_LINK:
10654 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
10655 break;
10656 case TDLS_ENABLE:
10657 return 0;
10658 case TDLS_DISABLE:
10659 return 0;
10660 default:
10661 return -EINVAL;
10662 }
10663
10664 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_OPER)) ||
10665 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper) ||
10666 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) {
10667 nlmsg_free(msg);
10668 return -ENOBUFS;
10669 }
10670
10671 res = send_and_recv_cmd(drv, msg);
10672 wpa_printf(MSG_DEBUG, "nl80211: TDLS_OPER: oper=%d mac=" MACSTR
10673 " --> res=%d (%s)", nl80211_oper, MAC2STR(peer), res,
10674 strerror(-res));
10675 return res;
10676 }
10677
10678
10679 static int
nl80211_tdls_enable_channel_switch(void * priv,const u8 * addr,u8 oper_class,const struct hostapd_freq_params * params)10680 nl80211_tdls_enable_channel_switch(void *priv, const u8 *addr, u8 oper_class,
10681 const struct hostapd_freq_params *params)
10682 {
10683 struct i802_bss *bss = priv;
10684 struct wpa_driver_nl80211_data *drv = bss->drv;
10685 struct nl_msg *msg;
10686 int ret = -ENOBUFS;
10687
10688 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
10689 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
10690 return -EOPNOTSUPP;
10691
10692 wpa_printf(MSG_DEBUG, "nl80211: Enable TDLS channel switch " MACSTR
10693 " oper_class=%u freq=%u",
10694 MAC2STR(addr), oper_class, params->freq);
10695 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH);
10696 if (!msg ||
10697 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
10698 nla_put_u8(msg, NL80211_ATTR_OPER_CLASS, oper_class) ||
10699 (ret = nl80211_put_freq_params(msg, params))) {
10700 nlmsg_free(msg);
10701 wpa_printf(MSG_DEBUG, "nl80211: Could not build TDLS chan switch");
10702 return ret;
10703 }
10704
10705 return send_and_recv_cmd(drv, msg);
10706 }
10707
10708
10709 static int
nl80211_tdls_disable_channel_switch(void * priv,const u8 * addr)10710 nl80211_tdls_disable_channel_switch(void *priv, const u8 *addr)
10711 {
10712 struct i802_bss *bss = priv;
10713 struct wpa_driver_nl80211_data *drv = bss->drv;
10714 struct nl_msg *msg;
10715
10716 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
10717 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
10718 return -EOPNOTSUPP;
10719
10720 wpa_printf(MSG_DEBUG, "nl80211: Disable TDLS channel switch " MACSTR,
10721 MAC2STR(addr));
10722 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH);
10723 if (!msg ||
10724 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
10725 nlmsg_free(msg);
10726 wpa_printf(MSG_DEBUG,
10727 "nl80211: Could not build TDLS cancel chan switch");
10728 return -ENOBUFS;
10729 }
10730
10731 return send_and_recv_cmd(drv, msg);
10732 }
10733
10734 #endif /* CONFIG TDLS */
10735
10736
driver_nl80211_set_key(void * priv,struct wpa_driver_set_key_params * params)10737 static int driver_nl80211_set_key(void *priv,
10738 struct wpa_driver_set_key_params *params)
10739 {
10740 struct i802_bss *bss = priv;
10741
10742 return wpa_driver_nl80211_set_key(bss, params);
10743 }
10744
10745
driver_nl80211_scan2(void * priv,struct wpa_driver_scan_params * params)10746 static int driver_nl80211_scan2(void *priv,
10747 struct wpa_driver_scan_params *params)
10748 {
10749 struct i802_bss *bss = priv;
10750 #ifdef CONFIG_DRIVER_NL80211_QCA
10751 struct wpa_driver_nl80211_data *drv = bss->drv;
10752
10753 /*
10754 * Do a vendor specific scan if possible. If only_new_results is
10755 * set, do a normal scan since a kernel (cfg80211) BSS cache flush
10756 * cannot be achieved through a vendor scan. The below condition may
10757 * need to be modified if new scan flags are added in the future whose
10758 * functionality can only be achieved through a normal scan.
10759 */
10760 if (drv->scan_vendor_cmd_avail && !params->only_new_results)
10761 return wpa_driver_nl80211_vendor_scan(bss, params);
10762 #endif /* CONFIG_DRIVER_NL80211_QCA */
10763 return wpa_driver_nl80211_scan(bss, params);
10764 }
10765
10766
driver_nl80211_deauthenticate(void * priv,const u8 * addr,u16 reason_code)10767 static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
10768 u16 reason_code)
10769 {
10770 struct i802_bss *bss = priv;
10771 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
10772 }
10773
10774
driver_nl80211_authenticate(void * priv,struct wpa_driver_auth_params * params)10775 static int driver_nl80211_authenticate(void *priv,
10776 struct wpa_driver_auth_params *params)
10777 {
10778 struct i802_bss *bss = priv;
10779 return wpa_driver_nl80211_authenticate(bss, params);
10780 }
10781
10782
driver_nl80211_deinit(void * priv)10783 static void driver_nl80211_deinit(void *priv)
10784 {
10785 struct i802_bss *bss = priv;
10786 wpa_driver_nl80211_deinit(bss);
10787 }
10788
10789
driver_nl80211_if_remove(void * priv,enum wpa_driver_if_type type,const char * ifname)10790 static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
10791 const char *ifname)
10792 {
10793 struct i802_bss *bss = priv;
10794 return wpa_driver_nl80211_if_remove(bss, type, ifname);
10795 }
10796
10797
10798 #ifdef CONFIG_IEEE80211BE
10799
driver_nl80211_link_remove(void * priv,enum wpa_driver_if_type type,const char * ifname,u8 link_id)10800 static int driver_nl80211_link_remove(void *priv, enum wpa_driver_if_type type,
10801 const char *ifname, u8 link_id)
10802 {
10803 struct i802_bss *bss = priv;
10804 struct wpa_driver_nl80211_data *drv = bss->drv;
10805
10806 if (type != WPA_IF_AP_BSS ||
10807 !nl80211_link_valid(bss->valid_links, link_id))
10808 return -1;
10809
10810 wpa_printf(MSG_DEBUG,
10811 "nl80211: Teardown AP(%s) link %d (type=%d ifname=%s links=0x%x)",
10812 bss->ifname, link_id, type, ifname, bss->valid_links);
10813
10814 nl80211_remove_link(bss, link_id);
10815
10816 bss->ctx = bss->flink->ctx;
10817
10818 if (drv->first_bss == bss && bss->valid_links)
10819 drv->ctx = bss->ctx;
10820
10821 if (!bss->valid_links) {
10822 wpa_printf(MSG_DEBUG,
10823 "nl80211: No more links remaining, so remove interface");
10824 return wpa_driver_nl80211_if_remove(bss, type, ifname);
10825 }
10826
10827 return 0;
10828 }
10829
10830
nl80211_is_drv_shared(void * priv,void * bss_ctx)10831 static bool nl80211_is_drv_shared(void *priv, void *bss_ctx)
10832 {
10833 struct i802_bss *bss = priv;
10834 struct wpa_driver_nl80211_data *drv = bss->drv;
10835 unsigned int num_bss = 0;
10836
10837 /* If any other BSS exist, someone else is using this since at this
10838 * time, we would have removed all BSSs created by this driver and only
10839 * this BSS should be remaining if the driver is not shared by anyone.
10840 */
10841 for (bss = drv->first_bss; bss; bss = bss->next) {
10842 num_bss++;
10843 if (num_bss > 1)
10844 return true;
10845 }
10846
10847 /* This is the only BSS present */
10848 bss = priv;
10849
10850 /* If only one/no link is there no one is sharing */
10851 if (bss->valid_links <= 1)
10852 return false;
10853
10854 /* More than one link means someone is still using. To check if
10855 * only 1 bit is set, power of 2 condition can be checked. */
10856 if (!(bss->valid_links & (bss->valid_links - 1)))
10857 return false;
10858
10859 return true;
10860 }
10861
10862 #endif /* CONFIG_IEEE80211BE */
10863
10864
driver_nl80211_send_mlme(void * priv,const u8 * data,size_t data_len,int noack,unsigned int freq,const u16 * csa_offs,size_t csa_offs_len,int no_encrypt,unsigned int wait,int link_id)10865 static int driver_nl80211_send_mlme(void *priv, const u8 *data,
10866 size_t data_len, int noack,
10867 unsigned int freq,
10868 const u16 *csa_offs, size_t csa_offs_len,
10869 int no_encrypt, unsigned int wait,
10870 int link_id)
10871 {
10872 struct i802_bss *bss = priv;
10873 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
10874 freq, 0, 0, wait, csa_offs,
10875 csa_offs_len, no_encrypt, link_id);
10876 }
10877
10878
driver_nl80211_sta_remove(void * priv,const u8 * addr)10879 static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
10880 {
10881 struct i802_bss *bss = priv;
10882 return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0);
10883 }
10884
10885
driver_nl80211_set_sta_vlan(void * priv,const u8 * addr,const char * ifname,int vlan_id,int link_id)10886 static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
10887 const char *ifname, int vlan_id,
10888 int link_id)
10889 {
10890 struct i802_bss *bss = priv;
10891 return i802_set_sta_vlan(bss, addr, ifname, vlan_id, link_id);
10892 }
10893
10894
driver_nl80211_read_sta_data(void * priv,struct hostap_sta_driver_data * data,const u8 * addr)10895 static int driver_nl80211_read_sta_data(void *priv,
10896 struct hostap_sta_driver_data *data,
10897 const u8 *addr)
10898 {
10899 struct i802_bss *bss = priv;
10900
10901 os_memset(data, 0, sizeof(*data));
10902 return i802_read_sta_data(bss, data, addr);
10903 }
10904
10905
driver_nl80211_send_action(void * priv,unsigned int freq,unsigned int wait_time,const u8 * dst,const u8 * src,const u8 * bssid,const u8 * data,size_t data_len,int no_cck)10906 static int driver_nl80211_send_action(void *priv, unsigned int freq,
10907 unsigned int wait_time,
10908 const u8 *dst, const u8 *src,
10909 const u8 *bssid,
10910 const u8 *data, size_t data_len,
10911 int no_cck)
10912 {
10913 struct i802_bss *bss = priv;
10914 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
10915 bssid, data, data_len, no_cck);
10916 }
10917
10918
driver_nl80211_probe_req_report(void * priv,int report)10919 static int driver_nl80211_probe_req_report(void *priv, int report)
10920 {
10921 struct i802_bss *bss = priv;
10922 return wpa_driver_nl80211_probe_req_report(bss, report);
10923 }
10924
10925
wpa_driver_nl80211_update_ft_ies(void * priv,const u8 * md,const u8 * ies,size_t ies_len)10926 static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
10927 const u8 *ies, size_t ies_len)
10928 {
10929 int ret;
10930 struct nl_msg *msg;
10931 struct i802_bss *bss = priv;
10932 struct wpa_driver_nl80211_data *drv = bss->drv;
10933 u16 mdid = WPA_GET_LE16(md);
10934
10935 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
10936 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_FT_IES)) ||
10937 nla_put(msg, NL80211_ATTR_IE, ies_len, ies) ||
10938 nla_put_u16(msg, NL80211_ATTR_MDID, mdid)) {
10939 nlmsg_free(msg);
10940 return -ENOBUFS;
10941 }
10942
10943 ret = send_and_recv_cmd(drv, msg);
10944 if (ret) {
10945 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
10946 "err=%d (%s)", ret, strerror(-ret));
10947 }
10948
10949 return ret;
10950 }
10951
10952
nl80211_update_dh_ie(void * priv,const u8 * peer_mac,u16 reason_code,const u8 * ie,size_t ie_len)10953 static int nl80211_update_dh_ie(void *priv, const u8 *peer_mac,
10954 u16 reason_code, const u8 *ie, size_t ie_len)
10955 {
10956 int ret;
10957 struct nl_msg *msg;
10958 struct i802_bss *bss = priv;
10959 struct wpa_driver_nl80211_data *drv = bss->drv;
10960
10961 wpa_printf(MSG_DEBUG, "nl80211: Updating DH IE peer: " MACSTR
10962 " reason %u", MAC2STR(peer_mac), reason_code);
10963 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UPDATE_OWE_INFO)) ||
10964 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer_mac) ||
10965 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, reason_code) ||
10966 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) {
10967 nlmsg_free(msg);
10968 return -ENOBUFS;
10969 }
10970
10971 ret = send_and_recv_cmd(drv, msg);
10972 if (ret) {
10973 wpa_printf(MSG_DEBUG,
10974 "nl80211: update_dh_ie failed err=%d (%s)",
10975 ret, strerror(-ret));
10976 }
10977
10978 return ret;
10979 }
10980
10981
wpa_driver_nl80211_get_macaddr(void * priv)10982 static const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
10983 {
10984 struct i802_bss *bss = priv;
10985 struct wpa_driver_nl80211_data *drv = bss->drv;
10986
10987 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
10988 return NULL;
10989
10990 return bss->addr;
10991 }
10992
10993
scan_state_str(enum scan_states scan_state)10994 static const char * scan_state_str(enum scan_states scan_state)
10995 {
10996 switch (scan_state) {
10997 case NO_SCAN:
10998 return "NO_SCAN";
10999 case SCAN_REQUESTED:
11000 return "SCAN_REQUESTED";
11001 case SCAN_STARTED:
11002 return "SCAN_STARTED";
11003 case SCAN_COMPLETED:
11004 return "SCAN_COMPLETED";
11005 case SCAN_ABORTED:
11006 return "SCAN_ABORTED";
11007 case SCHED_SCAN_STARTED:
11008 return "SCHED_SCAN_STARTED";
11009 case SCHED_SCAN_STOPPED:
11010 return "SCHED_SCAN_STOPPED";
11011 case SCHED_SCAN_RESULTS:
11012 return "SCHED_SCAN_RESULTS";
11013 }
11014
11015 return "??";
11016 }
11017
11018
wpa_driver_nl80211_status(void * priv,char * buf,size_t buflen)11019 static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
11020 {
11021 struct i802_bss *bss = priv;
11022 struct wpa_driver_nl80211_data *drv = bss->drv;
11023 int res;
11024 char *pos, *end;
11025 struct nl_msg *msg;
11026 char alpha2[3] = { 0, 0, 0 };
11027
11028 pos = buf;
11029 end = buf + buflen;
11030
11031 res = os_snprintf(pos, end - pos,
11032 "ifindex=%d\n"
11033 "ifname=%s\n"
11034 "brname=%s\n"
11035 "addr=" MACSTR "\n"
11036 "freq=%d\n"
11037 "%s%s%s%s%s%s",
11038 bss->ifindex,
11039 bss->ifname,
11040 bss->brname,
11041 MAC2STR(bss->addr),
11042 bss->flink->freq,
11043 bss->flink->beacon_set ? "beacon_set=1\n" : "",
11044 bss->added_if_into_bridge ?
11045 "added_if_into_bridge=1\n" : "",
11046 bss->already_in_bridge ? "already_in_bridge=1\n" : "",
11047 bss->added_bridge ? "added_bridge=1\n" : "",
11048 bss->in_deinit ? "in_deinit=1\n" : "",
11049 bss->if_dynamic ? "if_dynamic=1\n" : "");
11050 if (os_snprintf_error(end - pos, res))
11051 return pos - buf;
11052 pos += res;
11053
11054 if (bss->wdev_id_set) {
11055 res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
11056 (unsigned long long) bss->wdev_id);
11057 if (os_snprintf_error(end - pos, res))
11058 return pos - buf;
11059 pos += res;
11060 }
11061
11062 res = os_snprintf(pos, end - pos,
11063 "phyname=%s\n"
11064 "perm_addr=" MACSTR "\n"
11065 "drv_ifindex=%d\n"
11066 "operstate=%d\n"
11067 "scan_state=%s\n"
11068 "auth_bssid=" MACSTR "\n"
11069 "auth_attempt_bssid=" MACSTR "\n"
11070 "bssid=" MACSTR "\n"
11071 "prev_bssid=" MACSTR "\n"
11072 "associated=%d\n"
11073 "assoc_freq=%u\n"
11074 "monitor_sock=%d\n"
11075 "monitor_ifidx=%d\n"
11076 "monitor_refcount=%d\n"
11077 "last_mgmt_freq=%u\n"
11078 "eapol_tx_sock=%d\n"
11079 "%s%s%s%s%s%s%s%s%s%s%s%s%s",
11080 drv->phyname,
11081 MAC2STR(drv->perm_addr),
11082 drv->ifindex,
11083 drv->operstate,
11084 scan_state_str(drv->scan_state),
11085 MAC2STR(drv->auth_bssid),
11086 MAC2STR(drv->auth_attempt_bssid),
11087 MAC2STR(drv->bssid),
11088 MAC2STR(drv->prev_bssid),
11089 drv->associated,
11090 drv->assoc_freq,
11091 drv->monitor_sock,
11092 drv->monitor_ifidx,
11093 drv->monitor_refcount,
11094 drv->last_mgmt_freq,
11095 drv->eapol_tx_sock,
11096 drv->ignore_if_down_event ?
11097 "ignore_if_down_event=1\n" : "",
11098 drv->scan_complete_events ?
11099 "scan_complete_events=1\n" : "",
11100 drv->disabled_11b_rates ?
11101 "disabled_11b_rates=1\n" : "",
11102 drv->pending_remain_on_chan ?
11103 "pending_remain_on_chan=1\n" : "",
11104 drv->in_interface_list ? "in_interface_list=1\n" : "",
11105 drv->device_ap_sme ? "device_ap_sme=1\n" : "",
11106 drv->poll_command_supported ?
11107 "poll_command_supported=1\n" : "",
11108 drv->data_tx_status ? "data_tx_status=1\n" : "",
11109 drv->scan_for_auth ? "scan_for_auth=1\n" : "",
11110 drv->retry_auth ? "retry_auth=1\n" : "",
11111 drv->use_monitor ? "use_monitor=1\n" : "",
11112 drv->ignore_next_local_disconnect ?
11113 "ignore_next_local_disconnect\n" : "",
11114 drv->ignore_next_local_deauth ?
11115 "ignore_next_local_deauth\n" : "");
11116 if (os_snprintf_error(end - pos, res))
11117 return pos - buf;
11118 pos += res;
11119
11120 if (drv->sta_mlo_info.valid_links) {
11121 int i;
11122 struct driver_sta_mlo_info *mlo = &drv->sta_mlo_info;
11123
11124 res = os_snprintf(pos, end - pos,
11125 "ap_mld_addr=" MACSTR "\n"
11126 "default_map=%d\n",
11127 MAC2STR(mlo->ap_mld_addr),
11128 mlo->default_map);
11129 if (os_snprintf_error(end - pos, res))
11130 return pos - buf;
11131 pos += res;
11132
11133 for_each_link(mlo->valid_links, i) {
11134 res = os_snprintf(pos, end - pos,
11135 "link_addr[%u]=" MACSTR "\n"
11136 "link_bssid[%u]=" MACSTR "\n"
11137 "link_freq[%u]=%u\n",
11138 i, MAC2STR(mlo->links[i].addr),
11139 i, MAC2STR(mlo->links[i].bssid),
11140 i, mlo->links[i].freq);
11141 if (os_snprintf_error(end - pos, res))
11142 return pos - buf;
11143 pos += res;
11144
11145 if (!mlo->default_map) {
11146 res = os_snprintf(
11147 pos, end - pos,
11148 "uplink_map[%u]=%x\n"
11149 "downlink_map[%u]=%x\n",
11150 i, mlo->links[i].t2lmap.uplink,
11151 i, mlo->links[i].t2lmap.downlink);
11152 if (os_snprintf_error(end - pos, res))
11153 return pos - buf;
11154 pos += res;
11155 }
11156 }
11157 }
11158
11159 if (drv->has_capability) {
11160 res = os_snprintf(pos, end - pos,
11161 "capa.key_mgmt=0x%x\n"
11162 "capa.enc=0x%x\n"
11163 "capa.auth=0x%x\n"
11164 "capa.flags=0x%llx\n"
11165 "capa.flags2=0x%llx\n"
11166 "capa.rrm_flags=0x%x\n"
11167 "capa.max_scan_ssids=%d\n"
11168 "capa.max_sched_scan_ssids=%d\n"
11169 "capa.sched_scan_supported=%d\n"
11170 "capa.max_match_sets=%d\n"
11171 "capa.max_remain_on_chan=%u\n"
11172 "capa.max_stations=%u\n"
11173 "capa.probe_resp_offloads=0x%x\n"
11174 "capa.max_acl_mac_addrs=%u\n"
11175 "capa.num_multichan_concurrent=%u\n"
11176 "capa.mac_addr_rand_sched_scan_supported=%d\n"
11177 "capa.mac_addr_rand_scan_supported=%d\n"
11178 "capa.conc_capab=%u\n"
11179 "capa.max_conc_chan_2_4=%u\n"
11180 "capa.max_conc_chan_5_0=%u\n"
11181 "capa.max_sched_scan_plans=%u\n"
11182 "capa.max_sched_scan_plan_interval=%u\n"
11183 "capa.max_sched_scan_plan_iterations=%u\n"
11184 "capa.mbssid_max_interfaces=%u\n"
11185 "capa.ema_max_periodicity=%u\n",
11186 drv->capa.key_mgmt,
11187 drv->capa.enc,
11188 drv->capa.auth,
11189 (unsigned long long) drv->capa.flags,
11190 (unsigned long long) drv->capa.flags2,
11191 drv->capa.rrm_flags,
11192 drv->capa.max_scan_ssids,
11193 drv->capa.max_sched_scan_ssids,
11194 drv->capa.sched_scan_supported,
11195 drv->capa.max_match_sets,
11196 drv->capa.max_remain_on_chan,
11197 drv->capa.max_stations,
11198 drv->capa.probe_resp_offloads,
11199 drv->capa.max_acl_mac_addrs,
11200 drv->capa.num_multichan_concurrent,
11201 drv->capa.mac_addr_rand_sched_scan_supported,
11202 drv->capa.mac_addr_rand_scan_supported,
11203 drv->capa.conc_capab,
11204 drv->capa.max_conc_chan_2_4,
11205 drv->capa.max_conc_chan_5_0,
11206 drv->capa.max_sched_scan_plans,
11207 drv->capa.max_sched_scan_plan_interval,
11208 drv->capa.max_sched_scan_plan_iterations,
11209 drv->capa.mbssid_max_interfaces,
11210 drv->capa.ema_max_periodicity);
11211 if (os_snprintf_error(end - pos, res))
11212 return pos - buf;
11213 pos += res;
11214 }
11215
11216 msg = nlmsg_alloc();
11217 if (msg &&
11218 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG) &&
11219 nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx) == 0) {
11220 if (send_and_recv_resp(drv, msg, nl80211_get_country,
11221 alpha2) == 0 &&
11222 alpha2[0]) {
11223 res = os_snprintf(pos, end - pos, "country=%s\n",
11224 alpha2);
11225 if (os_snprintf_error(end - pos, res))
11226 return pos - buf;
11227 pos += res;
11228 }
11229 } else {
11230 nlmsg_free(msg);
11231 }
11232
11233 return pos - buf;
11234 }
11235
11236
set_beacon_data(struct nl_msg * msg,struct beacon_data * settings)11237 static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings)
11238 {
11239 if ((settings->head &&
11240 nla_put(msg, NL80211_ATTR_BEACON_HEAD,
11241 settings->head_len, settings->head)) ||
11242 (settings->tail &&
11243 nla_put(msg, NL80211_ATTR_BEACON_TAIL,
11244 settings->tail_len, settings->tail)) ||
11245 (settings->beacon_ies &&
11246 nla_put(msg, NL80211_ATTR_IE,
11247 settings->beacon_ies_len, settings->beacon_ies)) ||
11248 (settings->proberesp_ies &&
11249 nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
11250 settings->proberesp_ies_len, settings->proberesp_ies)) ||
11251 (settings->assocresp_ies &&
11252 nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
11253 settings->assocresp_ies_len, settings->assocresp_ies)) ||
11254 (settings->probe_resp &&
11255 nla_put(msg, NL80211_ATTR_PROBE_RESP,
11256 settings->probe_resp_len, settings->probe_resp)))
11257 return -ENOBUFS;
11258
11259 return 0;
11260 }
11261
11262
nl80211_switch_channel(void * priv,struct csa_settings * settings)11263 static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
11264 {
11265 struct nl_msg *msg;
11266 struct i802_bss *bss = priv;
11267 struct wpa_driver_nl80211_data *drv = bss->drv;
11268 struct nlattr *beacon_csa;
11269 int ret = -ENOBUFS;
11270 int csa_off_len = 0;
11271 int i;
11272
11273 wpa_printf(MSG_DEBUG,
11274 "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d channel=%d sec_channel_offset=%d width=%d cf1=%d cf2=%d puncturing_bitmap=0x%04x link_id=%d%s%s%s)",
11275 settings->cs_count, settings->block_tx,
11276 settings->freq_params.freq,
11277 settings->freq_params.channel,
11278 settings->freq_params.sec_channel_offset,
11279 settings->freq_params.bandwidth,
11280 settings->freq_params.center_freq1,
11281 settings->freq_params.center_freq2,
11282 settings->punct_bitmap,
11283 settings->link_id,
11284 settings->freq_params.ht_enabled ? " ht" : "",
11285 settings->freq_params.vht_enabled ? " vht" : "",
11286 settings->freq_params.he_enabled ? " he" : "");
11287
11288 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) {
11289 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command");
11290 return -EOPNOTSUPP;
11291 }
11292
11293 if (drv->nlmode != NL80211_IFTYPE_AP &&
11294 drv->nlmode != NL80211_IFTYPE_P2P_GO &&
11295 drv->nlmode != NL80211_IFTYPE_MESH_POINT)
11296 return -EOPNOTSUPP;
11297
11298 /*
11299 * Remove empty counters, assuming Probe Response and Beacon frame
11300 * counters match. This implementation assumes that there are only two
11301 * counters.
11302 */
11303 if (settings->counter_offset_beacon[0] &&
11304 !settings->counter_offset_beacon[1]) {
11305 csa_off_len = 1;
11306 } else if (settings->counter_offset_beacon[1] &&
11307 !settings->counter_offset_beacon[0]) {
11308 csa_off_len = 1;
11309 settings->counter_offset_beacon[0] =
11310 settings->counter_offset_beacon[1];
11311 settings->counter_offset_presp[0] =
11312 settings->counter_offset_presp[1];
11313 } else if (settings->counter_offset_beacon[1] &&
11314 settings->counter_offset_beacon[0]) {
11315 csa_off_len = 2;
11316 } else {
11317 wpa_printf(MSG_ERROR, "nl80211: No CSA counters provided");
11318 return -EINVAL;
11319 }
11320
11321 /* Check CSA counters validity */
11322 if (drv->capa.max_csa_counters &&
11323 csa_off_len > drv->capa.max_csa_counters) {
11324 wpa_printf(MSG_ERROR,
11325 "nl80211: Too many CSA counters provided");
11326 return -EINVAL;
11327 }
11328
11329 if (!settings->beacon_csa.tail)
11330 return -EINVAL;
11331
11332 for (i = 0; i < csa_off_len; i++) {
11333 u16 csa_c_off_bcn = settings->counter_offset_beacon[i];
11334 u16 csa_c_off_presp = settings->counter_offset_presp[i];
11335
11336 if ((settings->beacon_csa.tail_len <= csa_c_off_bcn) ||
11337 (settings->beacon_csa.tail[csa_c_off_bcn] !=
11338 settings->cs_count))
11339 return -EINVAL;
11340
11341 if (settings->beacon_csa.probe_resp &&
11342 ((settings->beacon_csa.probe_resp_len <=
11343 csa_c_off_presp) ||
11344 (settings->beacon_csa.probe_resp[csa_c_off_presp] !=
11345 settings->cs_count)))
11346 return -EINVAL;
11347 }
11348
11349 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) ||
11350 nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT,
11351 settings->cs_count) ||
11352 (ret = nl80211_put_freq_params(msg, &settings->freq_params)) ||
11353 (settings->block_tx &&
11354 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX)) ||
11355 (settings->punct_bitmap &&
11356 nla_put_u32(msg, NL80211_ATTR_PUNCT_BITMAP,
11357 settings->punct_bitmap)) ||
11358 (settings->link_id != NL80211_DRV_LINK_ID_NA &&
11359 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, settings->link_id)))
11360 goto error;
11361
11362 /* beacon_after params */
11363 ret = set_beacon_data(msg, &settings->beacon_after);
11364 if (ret)
11365 goto error;
11366
11367 /* beacon_csa params */
11368 beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES);
11369 if (!beacon_csa)
11370 goto fail;
11371
11372 ret = set_beacon_data(msg, &settings->beacon_csa);
11373 if (ret)
11374 goto error;
11375
11376 if (nla_put(msg, NL80211_ATTR_CSA_C_OFF_BEACON,
11377 csa_off_len * sizeof(u16),
11378 settings->counter_offset_beacon) ||
11379 (settings->beacon_csa.probe_resp &&
11380 nla_put(msg, NL80211_ATTR_CSA_C_OFF_PRESP,
11381 csa_off_len * sizeof(u16),
11382 settings->counter_offset_presp)))
11383 goto fail;
11384
11385 nla_nest_end(msg, beacon_csa);
11386
11387 #ifdef CONFIG_IEEE80211AX
11388 if (settings->ubpr.unsol_bcast_probe_resp_interval &&
11389 nl80211_unsol_bcast_probe_resp(bss, msg, &settings->ubpr) < 0)
11390 goto fail;
11391 #endif /* CONFIG_IEEE80211AX */
11392
11393 ret = send_and_recv_cmd(drv, msg);
11394 if (ret) {
11395 wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
11396 ret, strerror(-ret));
11397 }
11398 return ret;
11399
11400 fail:
11401 ret = -ENOBUFS;
11402 error:
11403 nlmsg_free(msg);
11404 wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request");
11405 return ret;
11406 }
11407
11408
11409 #ifdef CONFIG_IEEE80211AX
nl80211_switch_color(void * priv,struct cca_settings * settings)11410 static int nl80211_switch_color(void *priv, struct cca_settings *settings)
11411 {
11412 struct i802_bss *bss = priv;
11413 struct wpa_driver_nl80211_data *drv = bss->drv;
11414 struct nlattr *beacon_cca;
11415 struct nl_msg *msg;
11416 int ret = -ENOBUFS;
11417
11418 wpa_printf(MSG_DEBUG,
11419 "nl80211: Color change request (cca_count=%u color=%d)",
11420 settings->cca_count, settings->cca_color);
11421
11422 if (drv->nlmode != NL80211_IFTYPE_AP)
11423 return -EOPNOTSUPP;
11424
11425 if (!settings->beacon_cca.tail)
11426 return -EINVAL;
11427
11428 if (settings->beacon_cca.tail_len <= settings->counter_offset_beacon ||
11429 settings->beacon_cca.tail[settings->counter_offset_beacon] !=
11430 settings->cca_count)
11431 return -EINVAL;
11432
11433 if (settings->beacon_cca.probe_resp &&
11434 (settings->beacon_cca.probe_resp_len <=
11435 settings->counter_offset_presp ||
11436 settings->beacon_cca.probe_resp[settings->counter_offset_presp] !=
11437 settings->cca_count))
11438 return -EINVAL;
11439
11440 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_COLOR_CHANGE_REQUEST);
11441 if (!msg ||
11442 nla_put_u8(msg, NL80211_ATTR_COLOR_CHANGE_COUNT,
11443 settings->cca_count) ||
11444 nla_put_u8(msg, NL80211_ATTR_COLOR_CHANGE_COLOR,
11445 settings->cca_color))
11446 goto error;
11447
11448 /* beacon_after params */
11449 ret = set_beacon_data(msg, &settings->beacon_after);
11450 if (ret)
11451 goto error;
11452
11453 /* beacon_csa params */
11454 beacon_cca = nla_nest_start(msg, NL80211_ATTR_COLOR_CHANGE_ELEMS);
11455 if (!beacon_cca) {
11456 ret = -ENOBUFS;
11457 goto error;
11458 }
11459
11460 ret = set_beacon_data(msg, &settings->beacon_cca);
11461 if (ret)
11462 goto error;
11463
11464 if (nla_put_u16(msg, NL80211_ATTR_CNTDWN_OFFS_BEACON,
11465 settings->counter_offset_beacon) ||
11466 (settings->beacon_cca.probe_resp &&
11467 nla_put_u16(msg, NL80211_ATTR_CNTDWN_OFFS_PRESP,
11468 settings->counter_offset_presp))) {
11469 ret = -ENOBUFS;
11470 goto error;
11471 }
11472
11473 nla_nest_end(msg, beacon_cca);
11474
11475 if (settings->ubpr.unsol_bcast_probe_resp_interval &&
11476 nl80211_unsol_bcast_probe_resp(bss, msg, &settings->ubpr) < 0) {
11477 ret = -ENOBUFS;
11478 goto error;
11479 }
11480
11481 #ifdef CONFIG_IEEE80211BE
11482 if (nl80211_link_valid(bss->valid_links, settings->link_id)) {
11483 wpa_printf(MSG_DEBUG,
11484 "nl80211: Color change request on link_id=%d",
11485 settings->link_id);
11486
11487 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID,
11488 settings->link_id)) {
11489 nlmsg_free(msg);
11490 return -1;
11491 }
11492 }
11493 #endif /* CONFIG_IEEE80211BE */
11494
11495 ret = send_and_recv_cmd(drv, msg);
11496 if (ret) {
11497 wpa_printf(MSG_DEBUG,
11498 "nl80211: switch_color failed err=%d (%s)",
11499 ret, strerror(-ret));
11500 }
11501 return ret;
11502
11503 error:
11504 nlmsg_free(msg);
11505 wpa_printf(MSG_DEBUG, "nl80211: Could not build color switch request");
11506 return ret;
11507 }
11508 #endif /* CONFIG_IEEE80211AX */
11509
11510
nl80211_add_ts(void * priv,u8 tsid,const u8 * addr,u8 user_priority,u16 admitted_time)11511 static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr,
11512 u8 user_priority, u16 admitted_time)
11513 {
11514 struct i802_bss *bss = priv;
11515 struct wpa_driver_nl80211_data *drv = bss->drv;
11516 struct nl_msg *msg;
11517 int ret;
11518
11519 wpa_printf(MSG_DEBUG,
11520 "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d",
11521 tsid, admitted_time, user_priority);
11522
11523 if (!is_sta_interface(drv->nlmode))
11524 return -ENOTSUP;
11525
11526 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ADD_TX_TS);
11527 if (!msg ||
11528 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
11529 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
11530 nla_put_u8(msg, NL80211_ATTR_USER_PRIO, user_priority) ||
11531 nla_put_u16(msg, NL80211_ATTR_ADMITTED_TIME, admitted_time)) {
11532 nlmsg_free(msg);
11533 return -ENOBUFS;
11534 }
11535
11536 ret = send_and_recv_cmd(drv, msg);
11537 if (ret)
11538 wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)",
11539 ret, strerror(-ret));
11540 return ret;
11541 }
11542
11543
nl80211_del_ts(void * priv,u8 tsid,const u8 * addr)11544 static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr)
11545 {
11546 struct i802_bss *bss = priv;
11547 struct wpa_driver_nl80211_data *drv = bss->drv;
11548 struct nl_msg *msg;
11549 int ret;
11550
11551 wpa_printf(MSG_DEBUG, "nl80211: del_ts request: tsid=%u", tsid);
11552
11553 if (!is_sta_interface(drv->nlmode))
11554 return -ENOTSUP;
11555
11556 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_TX_TS)) ||
11557 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
11558 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
11559 nlmsg_free(msg);
11560 return -ENOBUFS;
11561 }
11562
11563 ret = send_and_recv_cmd(drv, msg);
11564 if (ret)
11565 wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)",
11566 ret, strerror(-ret));
11567 return ret;
11568 }
11569
11570
11571 #ifdef CONFIG_TESTING_OPTIONS
cmd_reply_handler(struct nl_msg * msg,void * arg)11572 static int cmd_reply_handler(struct nl_msg *msg, void *arg)
11573 {
11574 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
11575 struct wpabuf *buf = arg;
11576
11577 if (!buf)
11578 return NL_SKIP;
11579
11580 if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) {
11581 wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply");
11582 return NL_SKIP;
11583 }
11584
11585 wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0),
11586 genlmsg_attrlen(gnlh, 0));
11587
11588 return NL_SKIP;
11589 }
11590 #endif /* CONFIG_TESTING_OPTIONS */
11591
11592
vendor_reply_handler(struct nl_msg * msg,void * arg)11593 static int vendor_reply_handler(struct nl_msg *msg, void *arg)
11594 {
11595 struct nlattr *tb[NL80211_ATTR_MAX + 1];
11596 struct nlattr *nl_vendor_reply, *nl;
11597 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
11598 struct wpabuf *buf = arg;
11599 int rem;
11600
11601 if (!buf)
11602 return NL_SKIP;
11603
11604 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
11605 genlmsg_attrlen(gnlh, 0), NULL);
11606 nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA];
11607
11608 if (!nl_vendor_reply)
11609 return NL_SKIP;
11610
11611 if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) {
11612 wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply");
11613 return NL_SKIP;
11614 }
11615
11616 nla_for_each_nested(nl, nl_vendor_reply, rem) {
11617 wpabuf_put_data(buf, nla_data(nl), nla_len(nl));
11618 }
11619
11620 return NL_SKIP;
11621 }
11622
11623
is_cmd_with_nested_attrs(unsigned int vendor_id,unsigned int subcmd)11624 static bool is_cmd_with_nested_attrs(unsigned int vendor_id,
11625 unsigned int subcmd)
11626 {
11627 if (vendor_id != OUI_QCA)
11628 return true;
11629
11630 switch (subcmd) {
11631 case QCA_NL80211_VENDOR_SUBCMD_AVOID_FREQUENCY:
11632 case QCA_NL80211_VENDOR_SUBCMD_STATS_EXT:
11633 case QCA_NL80211_VENDOR_SUBCMD_SCANNING_MAC_OUI:
11634 case QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY:
11635 case QCA_NL80211_VENDOR_SUBCMD_SPECTRAL_SCAN_GET_STATUS:
11636 case QCA_NL80211_VENDOR_SUBCMD_NAN:
11637 return false;
11638 default:
11639 return true;
11640 }
11641 }
11642
11643
nl80211_vendor_cmd(void * priv,unsigned int vendor_id,unsigned int subcmd,const u8 * data,size_t data_len,enum nested_attr nested_attr,struct wpabuf * buf)11644 static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
11645 unsigned int subcmd, const u8 *data,
11646 size_t data_len, enum nested_attr nested_attr,
11647 struct wpabuf *buf)
11648 {
11649 struct i802_bss *bss = priv;
11650 struct wpa_driver_nl80211_data *drv = bss->drv;
11651 struct nl_msg *msg;
11652 int ret, nla_flag;
11653
11654 #ifdef CONFIG_TESTING_OPTIONS
11655 if (vendor_id == 0xffffffff) {
11656 msg = nlmsg_alloc();
11657 if (!msg)
11658 return -ENOMEM;
11659
11660 nl80211_cmd(drv, msg, 0, subcmd);
11661 if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) <
11662 0)
11663 goto fail;
11664 /* This test vendor_cmd can be used with nl80211 commands that
11665 * need the connect nl_sock, so use the variant that takes in
11666 * bss->nl_connect as the handle. */
11667 ret = send_and_recv(drv->global, bss->nl_connect, msg,
11668 cmd_reply_handler, buf, NULL, NULL, NULL);
11669 if (ret)
11670 wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d",
11671 ret);
11672 return ret;
11673 }
11674 #endif /* CONFIG_TESTING_OPTIONS */
11675
11676 if (nested_attr == NESTED_ATTR_USED)
11677 nla_flag = NLA_F_NESTED;
11678 else if (nested_attr == NESTED_ATTR_UNSPECIFIED &&
11679 is_cmd_with_nested_attrs(vendor_id, subcmd))
11680 nla_flag = NLA_F_NESTED;
11681 else
11682 nla_flag = 0;
11683
11684 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_VENDOR)) ||
11685 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, vendor_id) ||
11686 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd) ||
11687 (data &&
11688 nla_put(msg, nla_flag | NL80211_ATTR_VENDOR_DATA,
11689 data_len, data)))
11690 goto fail;
11691
11692 ret = send_and_recv_resp(drv, msg, vendor_reply_handler, buf);
11693 if (ret)
11694 wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d",
11695 ret);
11696 return ret;
11697
11698 fail:
11699 nlmsg_free(msg);
11700 return -ENOBUFS;
11701 }
11702
11703
nl80211_set_qos_map(void * priv,const u8 * qos_map_set,u8 qos_map_set_len)11704 static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set,
11705 u8 qos_map_set_len)
11706 {
11707 struct i802_bss *bss = priv;
11708 struct wpa_driver_nl80211_data *drv = bss->drv;
11709 struct nl_msg *msg;
11710 int ret;
11711
11712 wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map",
11713 qos_map_set, qos_map_set_len);
11714
11715 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_SET_QOS_MAP)) ||
11716 nla_put(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set)) {
11717 nlmsg_free(msg);
11718 return -ENOBUFS;
11719 }
11720
11721 ret = send_and_recv_cmd(drv, msg);
11722 if (ret)
11723 wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed");
11724
11725 return ret;
11726 }
11727
11728
get_wowlan_handler(struct nl_msg * msg,void * arg)11729 static int get_wowlan_handler(struct nl_msg *msg, void *arg)
11730 {
11731 struct nlattr *tb[NL80211_ATTR_MAX + 1];
11732 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
11733 int *wowlan_enabled = arg;
11734
11735 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
11736 genlmsg_attrlen(gnlh, 0), NULL);
11737
11738 *wowlan_enabled = !!tb[NL80211_ATTR_WOWLAN_TRIGGERS];
11739
11740 return NL_SKIP;
11741 }
11742
11743
nl80211_get_wowlan(void * priv)11744 static int nl80211_get_wowlan(void *priv)
11745 {
11746 struct i802_bss *bss = priv;
11747 struct wpa_driver_nl80211_data *drv = bss->drv;
11748 struct nl_msg *msg;
11749 int wowlan_enabled;
11750 int ret;
11751
11752 wpa_printf(MSG_DEBUG, "nl80211: Getting wowlan status");
11753
11754 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_WOWLAN);
11755
11756 ret = send_and_recv_resp(drv, msg, get_wowlan_handler, &wowlan_enabled);
11757 if (ret) {
11758 wpa_printf(MSG_DEBUG, "nl80211: Getting wowlan status failed");
11759 return 0;
11760 }
11761
11762 wpa_printf(MSG_DEBUG, "nl80211: wowlan is %s",
11763 wowlan_enabled ? "enabled" : "disabled");
11764
11765 return wowlan_enabled;
11766 }
11767
11768
nl80211_set_wowlan(void * priv,const struct wowlan_triggers * triggers)11769 static int nl80211_set_wowlan(void *priv,
11770 const struct wowlan_triggers *triggers)
11771 {
11772 struct i802_bss *bss = priv;
11773 struct wpa_driver_nl80211_data *drv = bss->drv;
11774 struct nl_msg *msg;
11775 struct nlattr *wowlan_triggers;
11776 int ret;
11777
11778 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan");
11779
11780 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_SET_WOWLAN)) ||
11781 !(wowlan_triggers = nla_nest_start(msg,
11782 NL80211_ATTR_WOWLAN_TRIGGERS)) ||
11783 (triggers->any &&
11784 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
11785 (triggers->disconnect &&
11786 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
11787 (triggers->magic_pkt &&
11788 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
11789 (triggers->gtk_rekey_failure &&
11790 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
11791 (triggers->eap_identity_req &&
11792 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
11793 (triggers->four_way_handshake &&
11794 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
11795 (triggers->rfkill_release &&
11796 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) {
11797 nlmsg_free(msg);
11798 return -ENOBUFS;
11799 }
11800
11801 nla_nest_end(msg, wowlan_triggers);
11802
11803 ret = send_and_recv_cmd(drv, msg);
11804 if (ret)
11805 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed");
11806
11807 return ret;
11808 }
11809
11810
11811 #ifdef CONFIG_DRIVER_NL80211_QCA
nl80211_roaming(void * priv,int allowed,const u8 * bssid)11812 static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
11813 {
11814 struct i802_bss *bss = priv;
11815 struct wpa_driver_nl80211_data *drv = bss->drv;
11816 struct nl_msg *msg;
11817 struct nlattr *params;
11818
11819 wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed);
11820
11821 if (!drv->roaming_vendor_cmd_avail) {
11822 wpa_printf(MSG_DEBUG,
11823 "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
11824 return -1;
11825 }
11826
11827 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
11828 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
11829 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
11830 QCA_NL80211_VENDOR_SUBCMD_ROAMING) ||
11831 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
11832 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY,
11833 allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS :
11834 QCA_ROAMING_NOT_ALLOWED) ||
11835 (bssid &&
11836 nla_put(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid))) {
11837 nlmsg_free(msg);
11838 return -1;
11839 }
11840 nla_nest_end(msg, params);
11841
11842 return send_and_recv_cmd(drv, msg);
11843 }
11844
11845
nl80211_disable_fils(void * priv,int disable)11846 static int nl80211_disable_fils(void *priv, int disable)
11847 {
11848 struct i802_bss *bss = priv;
11849 struct wpa_driver_nl80211_data *drv = bss->drv;
11850 struct nl_msg *msg;
11851 struct nlattr *params;
11852
11853 wpa_printf(MSG_DEBUG, "nl80211: Disable FILS=%d", disable);
11854
11855 if (!drv->set_wifi_conf_vendor_cmd_avail)
11856 return -1;
11857
11858 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
11859 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
11860 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
11861 QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION) ||
11862 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
11863 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_DISABLE_FILS,
11864 disable)) {
11865 nlmsg_free(msg);
11866 return -1;
11867 }
11868 nla_nest_end(msg, params);
11869
11870 return send_and_recv_cmd(drv, msg);
11871 }
11872
11873
11874 /* Reserved QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID value for wpa_supplicant */
11875 #define WPA_SUPPLICANT_CLIENT_ID 1
11876
nl80211_set_bssid_tmp_disallow(void * priv,unsigned int num_bssid,const u8 * bssid)11877 static int nl80211_set_bssid_tmp_disallow(void *priv, unsigned int num_bssid,
11878 const u8 *bssid)
11879 {
11880 struct i802_bss *bss = priv;
11881 struct wpa_driver_nl80211_data *drv = bss->drv;
11882 struct nl_msg *msg;
11883 struct nlattr *params, *nlbssids, *attr;
11884 unsigned int i;
11885
11886 wpa_printf(MSG_DEBUG,
11887 "nl80211: Set temporarily disallowed BSSIDs (num=%u)",
11888 num_bssid);
11889
11890 if (!drv->roam_vendor_cmd_avail)
11891 return -1;
11892
11893 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
11894 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
11895 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
11896 QCA_NL80211_VENDOR_SUBCMD_ROAM) ||
11897 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
11898 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_SUBCMD,
11899 QCA_WLAN_VENDOR_ROAMING_SUBCMD_SET_BLACKLIST_BSSID) ||
11900 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID,
11901 WPA_SUPPLICANT_CLIENT_ID) ||
11902 nla_put_u32(msg,
11903 QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_NUM_BSSID,
11904 num_bssid))
11905 goto fail;
11906
11907 nlbssids = nla_nest_start(
11908 msg, QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS);
11909 if (!nlbssids)
11910 goto fail;
11911
11912 for (i = 0; i < num_bssid; i++) {
11913 attr = nla_nest_start(msg, i);
11914 if (!attr)
11915 goto fail;
11916 if (nla_put(msg,
11917 QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_BSSID,
11918 ETH_ALEN, &bssid[i * ETH_ALEN]))
11919 goto fail;
11920 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%u]: " MACSTR, i,
11921 MAC2STR(&bssid[i * ETH_ALEN]));
11922 nla_nest_end(msg, attr);
11923 }
11924 nla_nest_end(msg, nlbssids);
11925 nla_nest_end(msg, params);
11926
11927 return send_and_recv_cmd(drv, msg);
11928
11929 fail:
11930 nlmsg_free(msg);
11931 return -1;
11932 }
11933
11934
nl80211_add_sta_node(void * priv,const u8 * addr,u16 auth_alg)11935 static int nl80211_add_sta_node(void *priv, const u8 *addr, u16 auth_alg)
11936 {
11937 struct i802_bss *bss = priv;
11938 struct wpa_driver_nl80211_data *drv = bss->drv;
11939 struct nl_msg *msg;
11940 struct nlattr *params;
11941
11942 if (!drv->add_sta_node_vendor_cmd_avail)
11943 return -EOPNOTSUPP;
11944
11945 wpa_printf(MSG_DEBUG, "nl80211: Add STA node");
11946
11947 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
11948 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
11949 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
11950 QCA_NL80211_VENDOR_SUBCMD_ADD_STA_NODE) ||
11951 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
11952 (addr &&
11953 nla_put(msg, QCA_WLAN_VENDOR_ATTR_ADD_STA_NODE_MAC_ADDR, ETH_ALEN,
11954 addr)) ||
11955 nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ADD_STA_NODE_AUTH_ALGO,
11956 auth_alg)) {
11957 nlmsg_free(msg);
11958 wpa_printf(MSG_ERROR,
11959 "%s: err in adding vendor_cmd and vendor_data",
11960 __func__);
11961 return -1;
11962 }
11963 nla_nest_end(msg, params);
11964
11965 return send_and_recv_cmd(drv, msg);
11966 }
11967
11968 #endif /* CONFIG_DRIVER_NL80211_QCA */
11969
11970
nl80211_set_mac_addr(void * priv,const u8 * addr)11971 static int nl80211_set_mac_addr(void *priv, const u8 *addr)
11972 {
11973 struct i802_bss *bss = priv;
11974 struct wpa_driver_nl80211_data *drv = bss->drv;
11975 int new_addr = addr != NULL;
11976
11977 if (TEST_FAIL())
11978 return -1;
11979
11980 if (!addr)
11981 addr = drv->perm_addr;
11982
11983 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0)
11984 return -1;
11985
11986 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0)
11987 {
11988 wpa_printf(MSG_DEBUG,
11989 "nl80211: failed to set_mac_addr for %s to " MACSTR,
11990 bss->ifname, MAC2STR(addr));
11991 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
11992 1) < 0) {
11993 wpa_printf(MSG_DEBUG,
11994 "nl80211: Could not restore interface UP after failed set_mac_addr");
11995 }
11996 return -1;
11997 }
11998
11999 wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR,
12000 bss->ifname, MAC2STR(addr));
12001 drv->addr_changed = new_addr;
12002 os_memcpy(bss->prev_addr, bss->addr, ETH_ALEN);
12003 os_memcpy(bss->addr, addr, ETH_ALEN);
12004
12005 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0)
12006 {
12007 wpa_printf(MSG_DEBUG,
12008 "nl80211: Could not restore interface UP after set_mac_addr");
12009 }
12010
12011 return 0;
12012 }
12013
12014
12015 #ifdef CONFIG_MESH
12016
wpa_driver_nl80211_init_mesh(void * priv)12017 static int wpa_driver_nl80211_init_mesh(void *priv)
12018 {
12019 if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) {
12020 wpa_printf(MSG_INFO,
12021 "nl80211: Failed to set interface into mesh mode");
12022 return -1;
12023 }
12024 return 0;
12025 }
12026
12027
nl80211_put_mesh_id(struct nl_msg * msg,const u8 * mesh_id,size_t mesh_id_len)12028 static int nl80211_put_mesh_id(struct nl_msg *msg, const u8 *mesh_id,
12029 size_t mesh_id_len)
12030 {
12031 if (mesh_id) {
12032 wpa_printf(MSG_DEBUG, " * Mesh ID (SSID)=%s",
12033 wpa_ssid_txt(mesh_id, mesh_id_len));
12034 return nla_put(msg, NL80211_ATTR_MESH_ID, mesh_id_len, mesh_id);
12035 }
12036
12037 return 0;
12038 }
12039
12040
nl80211_put_mesh_config(struct nl_msg * msg,struct wpa_driver_mesh_bss_params * params)12041 static int nl80211_put_mesh_config(struct nl_msg *msg,
12042 struct wpa_driver_mesh_bss_params *params)
12043 {
12044 struct nlattr *container;
12045
12046 container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
12047 if (!container)
12048 return -1;
12049
12050 if (((params->flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) &&
12051 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
12052 params->auto_plinks)) ||
12053 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_FORWARDING) &&
12054 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
12055 params->forwarding)) ||
12056 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS) &&
12057 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
12058 params->max_peer_links)) ||
12059 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_RSSI_THRESHOLD) &&
12060 nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
12061 params->rssi_threshold)))
12062 return -1;
12063
12064 /*
12065 * Set NL80211_MESHCONF_PLINK_TIMEOUT even if user mpm is used because
12066 * the timer could disconnect stations even in that case.
12067 */
12068 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT) &&
12069 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
12070 params->peer_link_timeout)) {
12071 wpa_printf(MSG_ERROR, "nl80211: Failed to set PLINK_TIMEOUT");
12072 return -1;
12073 }
12074
12075 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE) &&
12076 nla_put_u16(msg, NL80211_MESHCONF_HT_OPMODE, params->ht_opmode)) {
12077 wpa_printf(MSG_ERROR, "nl80211: Failed to set HT_OP_MODE");
12078 return -1;
12079 }
12080
12081 nla_nest_end(msg, container);
12082
12083 return 0;
12084 }
12085
12086
nl80211_join_mesh(struct i802_bss * bss,struct wpa_driver_mesh_join_params * params)12087 static int nl80211_join_mesh(struct i802_bss *bss,
12088 struct wpa_driver_mesh_join_params *params)
12089 {
12090 struct wpa_driver_nl80211_data *drv = bss->drv;
12091 struct nl_msg *msg;
12092 struct nlattr *container;
12093 int ret = -1;
12094
12095 wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex);
12096 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH);
12097 if (!msg ||
12098 nl80211_put_freq_params(msg, ¶ms->freq) ||
12099 nl80211_put_basic_rates(msg, params->basic_rates) ||
12100 nl80211_put_mesh_id(msg, params->meshid, params->meshid_len) ||
12101 nl80211_put_beacon_int(msg, params->beacon_int) ||
12102 nl80211_put_dtim_period(msg, params->dtim_period))
12103 goto fail;
12104
12105 wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags);
12106
12107 if (params->handle_dfs && nla_put_flag(msg, NL80211_ATTR_HANDLE_DFS))
12108 goto fail;
12109
12110 container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
12111 if (!container)
12112 goto fail;
12113
12114 if (params->ies) {
12115 wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len);
12116 if (nla_put(msg, NL80211_MESH_SETUP_IE, params->ie_len,
12117 params->ies))
12118 goto fail;
12119 }
12120 /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */
12121 if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) {
12122 if (nla_put_u8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1) ||
12123 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AUTH))
12124 goto fail;
12125 }
12126 if ((params->flags & WPA_DRIVER_MESH_FLAG_AMPE) &&
12127 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AMPE))
12128 goto fail;
12129 if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) &&
12130 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_MPM))
12131 goto fail;
12132 nla_nest_end(msg, container);
12133
12134 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS;
12135 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT;
12136 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS;
12137 if (nl80211_put_mesh_config(msg, ¶ms->conf) < 0)
12138 goto fail;
12139
12140 if (nla_put_flag(msg, NL80211_ATTR_SOCKET_OWNER))
12141 return -1;
12142 ret = send_and_recv(drv->global, bss->nl_connect, msg, NULL, NULL, NULL,
12143 NULL, NULL);
12144 msg = NULL;
12145 if (ret) {
12146 wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)",
12147 ret, strerror(-ret));
12148 goto fail;
12149 }
12150 ret = 0;
12151 drv->assoc_freq = bss->flink->freq = params->freq.freq;
12152 wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully");
12153
12154 fail:
12155 nlmsg_free(msg);
12156 return ret;
12157 }
12158
12159
12160 static int
wpa_driver_nl80211_join_mesh(void * priv,struct wpa_driver_mesh_join_params * params)12161 wpa_driver_nl80211_join_mesh(void *priv,
12162 struct wpa_driver_mesh_join_params *params)
12163 {
12164 struct i802_bss *bss = priv;
12165 int ret, timeout;
12166
12167 timeout = params->conf.peer_link_timeout;
12168
12169 /* Disable kernel inactivity timer */
12170 if (params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM)
12171 params->conf.peer_link_timeout = 0;
12172
12173 ret = nl80211_join_mesh(bss, params);
12174 if (ret == -EINVAL && params->conf.peer_link_timeout == 0) {
12175 wpa_printf(MSG_DEBUG,
12176 "nl80211: Mesh join retry for peer_link_timeout");
12177 /*
12178 * Old kernel does not support setting
12179 * NL80211_MESHCONF_PLINK_TIMEOUT to zero, so set 60 seconds
12180 * into future from peer_link_timeout.
12181 */
12182 params->conf.peer_link_timeout = timeout + 60;
12183 ret = nl80211_join_mesh(priv, params);
12184 }
12185
12186 params->conf.peer_link_timeout = timeout;
12187 return ret;
12188 }
12189
12190
wpa_driver_nl80211_leave_mesh(void * priv)12191 static int wpa_driver_nl80211_leave_mesh(void *priv)
12192 {
12193 struct i802_bss *bss = priv;
12194 struct wpa_driver_nl80211_data *drv = bss->drv;
12195 struct nl_msg *msg;
12196 int ret;
12197
12198 wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex);
12199 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH);
12200 ret = send_and_recv(drv->global, bss->nl_connect, msg, NULL, NULL, NULL,
12201 NULL, NULL);
12202 if (ret) {
12203 wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)",
12204 ret, strerror(-ret));
12205 } else {
12206 wpa_printf(MSG_DEBUG,
12207 "nl80211: mesh leave request send successfully");
12208 drv->first_bss->flink->freq = 0;
12209 }
12210
12211 if (drv->start_mode_sta &&
12212 wpa_driver_nl80211_set_mode(drv->first_bss,
12213 NL80211_IFTYPE_STATION)) {
12214 wpa_printf(MSG_INFO,
12215 "nl80211: Failed to set interface into station mode");
12216 }
12217 return ret;
12218 }
12219
12220
nl80211_probe_mesh_link(void * priv,const u8 * addr,const u8 * eth,size_t len)12221 static int nl80211_probe_mesh_link(void *priv, const u8 *addr, const u8 *eth,
12222 size_t len)
12223 {
12224 struct i802_bss *bss = priv;
12225 struct wpa_driver_nl80211_data *drv = bss->drv;
12226 struct nl_msg *msg;
12227 int ret;
12228
12229 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_PROBE_MESH_LINK);
12230 if (!msg ||
12231 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
12232 nla_put(msg, NL80211_ATTR_FRAME, len, eth)) {
12233 nlmsg_free(msg);
12234 return -ENOBUFS;
12235 }
12236
12237 ret = send_and_recv_cmd(drv, msg);
12238 if (ret) {
12239 wpa_printf(MSG_DEBUG, "nl80211: mesh link probe to " MACSTR
12240 " failed: ret=%d (%s)",
12241 MAC2STR(addr), ret, strerror(-ret));
12242 } else {
12243 wpa_printf(MSG_DEBUG, "nl80211: Mesh link to " MACSTR
12244 " probed successfully", MAC2STR(addr));
12245 }
12246
12247 return ret;
12248 }
12249
12250 #endif /* CONFIG_MESH */
12251
12252
wpa_driver_br_add_ip_neigh(void * priv,u8 version,const u8 * ipaddr,int prefixlen,const u8 * addr)12253 static int wpa_driver_br_add_ip_neigh(void *priv, u8 version,
12254 const u8 *ipaddr, int prefixlen,
12255 const u8 *addr)
12256 {
12257 struct i802_bss *bss = priv;
12258 struct wpa_driver_nl80211_data *drv = bss->drv;
12259 struct ndmsg nhdr = {
12260 .ndm_state = NUD_PERMANENT,
12261 .ndm_ifindex = bss->br_ifindex,
12262 };
12263 struct nl_msg *msg;
12264 int addrsize;
12265 int res;
12266
12267 if (!ipaddr || prefixlen == 0 || !addr)
12268 return -EINVAL;
12269
12270 if (bss->br_ifindex == 0) {
12271 wpa_printf(MSG_DEBUG,
12272 "nl80211: bridge must be set before adding an ip neigh to it");
12273 return -1;
12274 }
12275
12276 if (!drv->rtnl_sk) {
12277 wpa_printf(MSG_DEBUG,
12278 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
12279 return -1;
12280 }
12281
12282 if (version == 4) {
12283 nhdr.ndm_family = AF_INET;
12284 addrsize = 4;
12285 } else if (version == 6) {
12286 nhdr.ndm_family = AF_INET6;
12287 addrsize = 16;
12288 } else {
12289 return -EINVAL;
12290 }
12291
12292 msg = nlmsg_alloc_simple(RTM_NEWNEIGH, NLM_F_CREATE);
12293 if (!msg)
12294 return -ENOMEM;
12295
12296 res = -ENOMEM;
12297 if (nlmsg_append(msg, &nhdr, sizeof(nhdr), NLMSG_ALIGNTO) < 0 ||
12298 nla_put(msg, NDA_DST, addrsize, (void *) ipaddr) ||
12299 nla_put(msg, NDA_LLADDR, ETH_ALEN, (void *) addr))
12300 goto errout;
12301
12302 res = nl_send_auto_complete(drv->rtnl_sk, msg);
12303 if (res < 0)
12304 goto errout;
12305
12306 res = nl_wait_for_ack(drv->rtnl_sk);
12307 if (res) {
12308 wpa_printf(MSG_DEBUG,
12309 "nl80211: Adding bridge ip neigh failed: %s",
12310 nl_geterror(res));
12311 }
12312 errout:
12313 nlmsg_free(msg);
12314 return res;
12315 }
12316
12317
wpa_driver_br_delete_ip_neigh(void * priv,u8 version,const u8 * ipaddr)12318 static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version,
12319 const u8 *ipaddr)
12320 {
12321 struct i802_bss *bss = priv;
12322 struct wpa_driver_nl80211_data *drv = bss->drv;
12323 struct ndmsg nhdr = {
12324 .ndm_state = NUD_PERMANENT,
12325 .ndm_ifindex = bss->br_ifindex,
12326 };
12327 struct nl_msg *msg;
12328 int addrsize;
12329 int res;
12330
12331 if (!ipaddr)
12332 return -EINVAL;
12333
12334 if (version == 4) {
12335 nhdr.ndm_family = AF_INET;
12336 addrsize = 4;
12337 } else if (version == 6) {
12338 nhdr.ndm_family = AF_INET6;
12339 addrsize = 16;
12340 } else {
12341 return -EINVAL;
12342 }
12343
12344 if (bss->br_ifindex == 0) {
12345 wpa_printf(MSG_DEBUG,
12346 "nl80211: bridge must be set to delete an ip neigh");
12347 return -1;
12348 }
12349
12350 if (!drv->rtnl_sk) {
12351 wpa_printf(MSG_DEBUG,
12352 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
12353 return -1;
12354 }
12355
12356 msg = nlmsg_alloc_simple(RTM_DELNEIGH, NLM_F_CREATE);
12357 if (!msg)
12358 return -ENOMEM;
12359
12360 res = -ENOMEM;
12361 if (nlmsg_append(msg, &nhdr, sizeof(nhdr), NLMSG_ALIGNTO) < 0 ||
12362 nla_put(msg, NDA_DST, addrsize, (void *) ipaddr))
12363 goto errout;
12364
12365 res = nl_send_auto_complete(drv->rtnl_sk, msg);
12366 if (res < 0)
12367 goto errout;
12368
12369 res = nl_wait_for_ack(drv->rtnl_sk);
12370 if (res) {
12371 wpa_printf(MSG_DEBUG,
12372 "nl80211: Deleting bridge ip neigh failed: %s",
12373 nl_geterror(res));
12374 }
12375 errout:
12376 nlmsg_free(msg);
12377 return res;
12378 }
12379
12380
linux_write_system_file(const char * path,unsigned int val)12381 static int linux_write_system_file(const char *path, unsigned int val)
12382 {
12383 char buf[50];
12384 int fd, len;
12385
12386 len = os_snprintf(buf, sizeof(buf), "%u\n", val);
12387 if (os_snprintf_error(sizeof(buf), len))
12388 return -1;
12389
12390 fd = open(path, O_WRONLY);
12391 if (fd < 0)
12392 return -1;
12393
12394 if (write(fd, buf, len) < 0) {
12395 wpa_printf(MSG_DEBUG,
12396 "nl80211: Failed to write Linux system file: %s with the value of %d",
12397 path, val);
12398 close(fd);
12399 return -1;
12400 }
12401 close(fd);
12402
12403 return 0;
12404 }
12405
12406
drv_br_port_attr_str(enum drv_br_port_attr attr)12407 static const char * drv_br_port_attr_str(enum drv_br_port_attr attr)
12408 {
12409 switch (attr) {
12410 case DRV_BR_PORT_ATTR_PROXYARP:
12411 return "proxyarp_wifi";
12412 case DRV_BR_PORT_ATTR_HAIRPIN_MODE:
12413 return "hairpin_mode";
12414 case DRV_BR_PORT_ATTR_MCAST2UCAST:
12415 return "multicast_to_unicast";
12416 }
12417
12418 return NULL;
12419 }
12420
12421
wpa_driver_br_port_set_attr(void * priv,enum drv_br_port_attr attr,unsigned int val)12422 static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr,
12423 unsigned int val)
12424 {
12425 struct i802_bss *bss = priv;
12426 char path[128];
12427 const char *attr_txt;
12428
12429 attr_txt = drv_br_port_attr_str(attr);
12430 if (attr_txt == NULL)
12431 return -EINVAL;
12432
12433 os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s",
12434 bss->ifname, attr_txt);
12435
12436 if (linux_write_system_file(path, val))
12437 return -1;
12438
12439 return 0;
12440 }
12441
12442
drv_br_net_param_str(enum drv_br_net_param param)12443 static const char * drv_br_net_param_str(enum drv_br_net_param param)
12444 {
12445 switch (param) {
12446 case DRV_BR_NET_PARAM_GARP_ACCEPT:
12447 return "arp_accept";
12448 default:
12449 return NULL;
12450 }
12451 }
12452
12453
wpa_driver_br_set_net_param(void * priv,enum drv_br_net_param param,unsigned int val)12454 static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param,
12455 unsigned int val)
12456 {
12457 struct i802_bss *bss = priv;
12458 char path[128];
12459 const char *param_txt;
12460 int ip_version = 4;
12461
12462 if (param == DRV_BR_MULTICAST_SNOOPING) {
12463 os_snprintf(path, sizeof(path),
12464 "/sys/devices/virtual/net/%s/bridge/multicast_snooping",
12465 bss->brname);
12466 goto set_val;
12467 }
12468
12469 param_txt = drv_br_net_param_str(param);
12470 if (param_txt == NULL)
12471 return -EINVAL;
12472
12473 switch (param) {
12474 case DRV_BR_NET_PARAM_GARP_ACCEPT:
12475 ip_version = 4;
12476 break;
12477 default:
12478 return -EINVAL;
12479 }
12480
12481 os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s",
12482 ip_version, bss->brname, param_txt);
12483
12484 set_val:
12485 if (linux_write_system_file(path, val))
12486 return -1;
12487
12488 return 0;
12489 }
12490
12491
12492 #ifdef CONFIG_DRIVER_NL80211_QCA
12493
hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode)12494 static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode)
12495 {
12496 switch (hw_mode) {
12497 case HOSTAPD_MODE_IEEE80211B:
12498 return QCA_ACS_MODE_IEEE80211B;
12499 case HOSTAPD_MODE_IEEE80211G:
12500 return QCA_ACS_MODE_IEEE80211G;
12501 case HOSTAPD_MODE_IEEE80211A:
12502 return QCA_ACS_MODE_IEEE80211A;
12503 case HOSTAPD_MODE_IEEE80211AD:
12504 return QCA_ACS_MODE_IEEE80211AD;
12505 case HOSTAPD_MODE_IEEE80211ANY:
12506 return QCA_ACS_MODE_IEEE80211ANY;
12507 default:
12508 return -1;
12509 }
12510 }
12511
12512
add_acs_ch_list(struct nl_msg * msg,const int * freq_list)12513 static int add_acs_ch_list(struct nl_msg *msg, const int *freq_list)
12514 {
12515 int num_channels = 0, num_freqs;
12516 u8 *ch_list;
12517 enum hostapd_hw_mode hw_mode;
12518 int ret = 0;
12519 int i;
12520
12521 if (!freq_list)
12522 return 0;
12523
12524 num_freqs = int_array_len(freq_list);
12525 ch_list = os_malloc(sizeof(u8) * num_freqs);
12526 if (!ch_list)
12527 return -1;
12528
12529 for (i = 0; i < num_freqs; i++) {
12530 const int freq = freq_list[i];
12531
12532 if (freq == 0)
12533 break;
12534 /* Send 2.4 GHz and 5 GHz channels with
12535 * QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST to maintain backwards
12536 * compatibility.
12537 */
12538 if (!(freq >= 2412 && freq <= 2484) &&
12539 !(freq >= 5180 && freq <= 5900) &&
12540 !(freq >= 5945 && freq <= 7115))
12541 continue;
12542 hw_mode = ieee80211_freq_to_chan(freq, &ch_list[num_channels]);
12543 if (hw_mode != NUM_HOSTAPD_MODES)
12544 num_channels++;
12545 }
12546
12547 if (num_channels)
12548 ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST,
12549 num_channels, ch_list);
12550
12551 os_free(ch_list);
12552 return ret;
12553 }
12554
12555
add_acs_freq_list(struct nl_msg * msg,const int * freq_list)12556 static int add_acs_freq_list(struct nl_msg *msg, const int *freq_list)
12557 {
12558 int i, len, ret;
12559 u32 *freqs;
12560
12561 if (!freq_list)
12562 return 0;
12563 len = int_array_len(freq_list);
12564 freqs = os_malloc(sizeof(u32) * len);
12565 if (!freqs)
12566 return -1;
12567 for (i = 0; i < len; i++)
12568 freqs[i] = freq_list[i];
12569 ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_FREQ_LIST,
12570 sizeof(u32) * len, freqs);
12571 os_free(freqs);
12572 return ret;
12573 }
12574
12575
nl80211_qca_do_acs(struct wpa_driver_nl80211_data * drv,struct drv_acs_params * params)12576 static int nl80211_qca_do_acs(struct wpa_driver_nl80211_data *drv,
12577 struct drv_acs_params *params)
12578 {
12579 struct nl_msg *msg;
12580 struct nlattr *data;
12581 int ret;
12582 int mode;
12583
12584 mode = hw_mode_to_qca_acs(params->hw_mode);
12585 if (mode < 0)
12586 return -1;
12587
12588 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
12589 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
12590 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
12591 QCA_NL80211_VENDOR_SUBCMD_DO_ACS) ||
12592 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
12593 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, mode) ||
12594 (params->ht_enabled &&
12595 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED)) ||
12596 (params->ht40_enabled &&
12597 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED)) ||
12598 (params->vht_enabled &&
12599 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_VHT_ENABLED)) ||
12600 (params->eht_enabled &&
12601 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_EHT_ENABLED)) ||
12602 nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH,
12603 params->ch_width) ||
12604 add_acs_ch_list(msg, params->freq_list) ||
12605 add_acs_freq_list(msg, params->freq_list) ||
12606 (params->edmg_enabled &&
12607 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_EDMG_ENABLED)) ||
12608 (params->link_id != NL80211_DRV_LINK_ID_NA &&
12609 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_LINK_ID,
12610 params->link_id))) {
12611 nlmsg_free(msg);
12612 return -ENOBUFS;
12613 }
12614 nla_nest_end(msg, data);
12615
12616 wpa_printf(MSG_DEBUG,
12617 "nl80211: ACS Params: HW_MODE: %d HT: %d HT40: %d VHT: %d EHT: %d BW: %d EDMG: %d, link_id: %d",
12618 params->hw_mode, params->ht_enabled, params->ht40_enabled,
12619 params->vht_enabled, params->eht_enabled, params->ch_width,
12620 params->edmg_enabled, params->link_id);
12621
12622 ret = send_and_recv_cmd(drv, msg);
12623 if (ret) {
12624 wpa_printf(MSG_DEBUG,
12625 "nl80211: Failed to invoke driver ACS function: %s",
12626 strerror(-ret));
12627 }
12628 return ret;
12629 }
12630
12631
nl80211_set_band(void * priv,u32 band_mask)12632 static int nl80211_set_band(void *priv, u32 band_mask)
12633 {
12634 struct i802_bss *bss = priv;
12635 struct wpa_driver_nl80211_data *drv = bss->drv;
12636 struct nl_msg *msg;
12637 struct nlattr *data;
12638 int ret;
12639 enum qca_set_band qca_band_value;
12640 u32 qca_band_mask = QCA_SETBAND_AUTO;
12641
12642 if (!drv->setband_vendor_cmd_avail ||
12643 (band_mask > (WPA_SETBAND_2G | WPA_SETBAND_5G | WPA_SETBAND_6G)))
12644 return -1;
12645
12646 if (band_mask & WPA_SETBAND_5G)
12647 qca_band_mask |= QCA_SETBAND_5G;
12648 if (band_mask & WPA_SETBAND_2G)
12649 qca_band_mask |= QCA_SETBAND_2G;
12650 if (band_mask & WPA_SETBAND_6G)
12651 qca_band_mask |= QCA_SETBAND_6G;
12652
12653 /*
12654 * QCA_WLAN_VENDOR_ATTR_SETBAND_VALUE is a legacy interface hence make
12655 * it suite to its values (AUTO/5G/2G) for backwards compatibility.
12656 */
12657 qca_band_value = ((qca_band_mask & QCA_SETBAND_5G) &&
12658 (qca_band_mask & QCA_SETBAND_2G)) ?
12659 QCA_SETBAND_AUTO :
12660 qca_band_mask & ~QCA_SETBAND_6G;
12661
12662 wpa_printf(MSG_DEBUG,
12663 "nl80211: QCA_BAND_MASK = 0x%x, QCA_BAND_VALUE = %d",
12664 qca_band_mask, qca_band_value);
12665
12666 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
12667 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
12668 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
12669 QCA_NL80211_VENDOR_SUBCMD_SETBAND) ||
12670 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
12671 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_SETBAND_VALUE,
12672 qca_band_value) ||
12673 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_SETBAND_MASK,
12674 qca_band_mask)) {
12675 nlmsg_free(msg);
12676 return -ENOBUFS;
12677 }
12678 nla_nest_end(msg, data);
12679
12680 ret = send_and_recv_cmd(drv, msg);
12681 if (ret) {
12682 wpa_printf(MSG_DEBUG,
12683 "nl80211: Driver setband function failed: %s",
12684 strerror(-ret));
12685 }
12686 return ret;
12687 }
12688
12689
12690 struct nl80211_pcl {
12691 unsigned int num;
12692 struct weighted_pcl *freq_list;
12693 };
12694
get_pcl_attr_values(struct weighted_pcl * wpcl,struct nlattr * nl[])12695 static void get_pcl_attr_values(struct weighted_pcl *wpcl, struct nlattr *nl[])
12696 {
12697 if (nl[QCA_WLAN_VENDOR_ATTR_PCL_FREQ])
12698 wpcl->freq = nla_get_u32(nl[QCA_WLAN_VENDOR_ATTR_PCL_FREQ]);
12699 if (nl[QCA_WLAN_VENDOR_ATTR_PCL_WEIGHT])
12700 wpcl->weight = nla_get_u8(nl[QCA_WLAN_VENDOR_ATTR_PCL_WEIGHT]);
12701 if (nl[QCA_WLAN_VENDOR_ATTR_PCL_FLAG]) {
12702 u32 flags = nla_get_u32(nl[QCA_WLAN_VENDOR_ATTR_PCL_FLAG]);
12703
12704 wpcl->flag = 0;
12705 if (flags & BIT(0))
12706 wpcl->flag |= WEIGHTED_PCL_GO;
12707 if (flags & BIT(1))
12708 wpcl->flag |= WEIGHTED_PCL_CLI;
12709 if (flags & BIT(2))
12710 wpcl->flag |= WEIGHTED_PCL_MUST_CONSIDER;
12711 if (flags & BIT(3))
12712 wpcl->flag |= WEIGHTED_PCL_EXCLUDE;
12713 } else {
12714 wpcl->flag = WEIGHTED_PCL_GO | WEIGHTED_PCL_CLI;
12715 }
12716 }
12717
12718
preferred_freq_info_handler(struct nl_msg * msg,void * arg)12719 static int preferred_freq_info_handler(struct nl_msg *msg, void *arg)
12720 {
12721 struct nlattr *tb[NL80211_ATTR_MAX + 1];
12722 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
12723 struct nl80211_pcl *param = arg;
12724 struct nlattr *nl_vend, *attr;
12725 enum qca_iface_type iface_type;
12726 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
12727 struct nlattr *nl_pcl[QCA_WLAN_VENDOR_ATTR_PCL_MAX + 1];
12728 unsigned int num, max_num;
12729 u32 *freqs;
12730
12731 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
12732 genlmsg_attrlen(gnlh, 0), NULL);
12733
12734 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
12735 if (!nl_vend)
12736 return NL_SKIP;
12737
12738 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
12739 nla_data(nl_vend), nla_len(nl_vend), NULL);
12740
12741 attr = tb_vendor[
12742 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE];
12743 if (!attr) {
12744 wpa_printf(MSG_ERROR, "nl80211: iface_type couldn't be found");
12745 param->num = 0;
12746 return NL_SKIP;
12747 }
12748
12749 iface_type = (enum qca_iface_type) nla_get_u32(attr);
12750 wpa_printf(MSG_DEBUG, "nl80211: Driver returned iface_type=%d",
12751 iface_type);
12752
12753 attr = tb_vendor[
12754 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_WEIGHED_PCL];
12755 if (attr) {
12756 int rem;
12757 struct nlattr *wpcl = attr;
12758 unsigned int i;
12759
12760 num = 0;
12761 nla_for_each_nested(attr, wpcl, rem) {
12762 if (num == param->num)
12763 break; /* not enough room for all entries */
12764 if (nla_parse(nl_pcl, QCA_WLAN_VENDOR_ATTR_PCL_MAX,
12765 nla_data(attr), nla_len(attr), NULL)) {
12766 wpa_printf(MSG_ERROR,
12767 "nl80211: Failed to parse PCL info");
12768 param->num = 0;
12769 return NL_SKIP;
12770 }
12771 get_pcl_attr_values(¶m->freq_list[num], nl_pcl);
12772 num++;
12773 }
12774 param->num = num;
12775
12776 /* Sort frequencies based on their weight */
12777 for (i = 0; i < num; i++) {
12778 unsigned int j;
12779
12780 for (j = i + 1; j < num; j++) {
12781 if (param->freq_list[i].weight <
12782 param->freq_list[j].weight) {
12783 struct weighted_pcl tmp;
12784
12785 tmp = param->freq_list[i];
12786 param->freq_list[i] =
12787 param->freq_list[j];
12788 param->freq_list[j] = tmp;
12789 }
12790 }
12791 }
12792 } else if (tb_vendor[QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST]) {
12793 wpa_printf(MSG_DEBUG,
12794 "nl80211: Driver does not provide weighted PCL; use the non-weighted variant");
12795 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST];
12796 /*
12797 * param->num has the maximum number of entries for which there
12798 * is room in the freq_list provided by the caller.
12799 */
12800 freqs = nla_data(attr);
12801 max_num = nla_len(attr) / sizeof(u32);
12802 if (max_num > param->num)
12803 max_num = param->num;
12804 for (num = 0; num < max_num; num++) {
12805 param->freq_list[num].freq = freqs[num];
12806 param->freq_list[num].flag =
12807 WEIGHTED_PCL_GO | WEIGHTED_PCL_CLI;
12808 }
12809 param->num = num;
12810 } else {
12811 wpa_printf(MSG_ERROR,
12812 "nl80211: preferred_freq_list couldn't be found");
12813 param->num = 0;
12814 return NL_SKIP;
12815 }
12816 return NL_SKIP;
12817 }
12818
12819
nl80211_get_pref_freq_list(void * priv,enum wpa_driver_if_type if_type,unsigned int * num,struct weighted_pcl * freq_list)12820 static int nl80211_get_pref_freq_list(void *priv,
12821 enum wpa_driver_if_type if_type,
12822 unsigned int *num,
12823 struct weighted_pcl *freq_list)
12824 {
12825 struct i802_bss *bss = priv;
12826 struct wpa_driver_nl80211_data *drv = bss->drv;
12827 struct nl_msg *msg;
12828 int ret;
12829 unsigned int i;
12830 struct nlattr *params;
12831 struct nl80211_pcl param;
12832 enum qca_iface_type iface_type;
12833
12834 if (!drv->get_pref_freq_list)
12835 return -1;
12836
12837 switch (if_type) {
12838 case WPA_IF_STATION:
12839 iface_type = QCA_IFACE_TYPE_STA;
12840 break;
12841 case WPA_IF_AP_BSS:
12842 iface_type = QCA_IFACE_TYPE_AP;
12843 break;
12844 case WPA_IF_P2P_GO:
12845 iface_type = QCA_IFACE_TYPE_P2P_GO;
12846 break;
12847 case WPA_IF_P2P_CLIENT:
12848 iface_type = QCA_IFACE_TYPE_P2P_CLIENT;
12849 break;
12850 case WPA_IF_IBSS:
12851 iface_type = QCA_IFACE_TYPE_IBSS;
12852 break;
12853 case WPA_IF_TDLS:
12854 iface_type = QCA_IFACE_TYPE_TDLS;
12855 break;
12856 default:
12857 return -1;
12858 }
12859
12860 param.num = *num;
12861 param.freq_list = freq_list;
12862
12863 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
12864 nla_put_u32(msg, NL80211_ATTR_IFINDEX, drv->ifindex) ||
12865 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
12866 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
12867 QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST) ||
12868 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
12869 nla_put_u32(msg,
12870 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE,
12871 iface_type)) {
12872 wpa_printf(MSG_ERROR,
12873 "%s: err in adding vendor_cmd and vendor_data",
12874 __func__);
12875 nlmsg_free(msg);
12876 return -1;
12877 }
12878 nla_nest_end(msg, params);
12879
12880 if (freq_list)
12881 os_memset(freq_list, 0, *num * sizeof(struct weighted_pcl));
12882 ret = send_and_recv_resp(drv, msg, preferred_freq_info_handler, ¶m);
12883 if (ret) {
12884 wpa_printf(MSG_ERROR,
12885 "%s: err in send_and_recv_resp", __func__);
12886 return ret;
12887 }
12888
12889 *num = param.num;
12890
12891 for (i = 0; i < *num; i++) {
12892 wpa_printf(MSG_DEBUG,
12893 "nl80211: preferred_channel_list[%d]=%d[%d]:0x%x",
12894 i, freq_list[i].freq, freq_list[i].weight,
12895 freq_list[i].flag);
12896 }
12897
12898 return 0;
12899 }
12900
12901
nl80211_set_prob_oper_freq(void * priv,unsigned int freq)12902 static int nl80211_set_prob_oper_freq(void *priv, unsigned int freq)
12903 {
12904 struct i802_bss *bss = priv;
12905 struct wpa_driver_nl80211_data *drv = bss->drv;
12906 struct nl_msg *msg;
12907 int ret;
12908 struct nlattr *params;
12909
12910 if (!drv->set_prob_oper_freq)
12911 return -1;
12912
12913 wpa_printf(MSG_DEBUG,
12914 "nl80211: Set P2P probable operating freq %u for ifindex %d",
12915 freq, bss->ifindex);
12916
12917 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
12918 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
12919 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
12920 QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL) ||
12921 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
12922 nla_put_u32(msg,
12923 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_IFACE_TYPE,
12924 QCA_IFACE_TYPE_P2P_CLIENT) ||
12925 nla_put_u32(msg,
12926 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_FREQ,
12927 freq)) {
12928 wpa_printf(MSG_ERROR,
12929 "%s: err in adding vendor_cmd and vendor_data",
12930 __func__);
12931 nlmsg_free(msg);
12932 return -1;
12933 }
12934 nla_nest_end(msg, params);
12935
12936 ret = send_and_recv_cmd(drv, msg);
12937 msg = NULL;
12938 if (ret) {
12939 wpa_printf(MSG_ERROR, "%s: err in send_and_recv_cmd",
12940 __func__);
12941 return ret;
12942 }
12943 nlmsg_free(msg);
12944 return 0;
12945 }
12946
12947
nl80211_p2p_lo_start(void * priv,unsigned int freq,unsigned int period,unsigned int interval,unsigned int count,const u8 * device_types,size_t dev_types_len,const u8 * ies,size_t ies_len)12948 static int nl80211_p2p_lo_start(void *priv, unsigned int freq,
12949 unsigned int period, unsigned int interval,
12950 unsigned int count, const u8 *device_types,
12951 size_t dev_types_len,
12952 const u8 *ies, size_t ies_len)
12953 {
12954 struct i802_bss *bss = priv;
12955 struct wpa_driver_nl80211_data *drv = bss->drv;
12956 struct nl_msg *msg;
12957 struct nlattr *container;
12958 int ret;
12959
12960 wpa_printf(MSG_DEBUG,
12961 "nl80211: Start P2P Listen offload: freq=%u, period=%u, interval=%u, count=%u",
12962 freq, period, interval, count);
12963
12964 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
12965 return -1;
12966
12967 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
12968 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
12969 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
12970 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_START))
12971 goto fail;
12972
12973 container = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
12974 if (!container)
12975 goto fail;
12976
12977 if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_CHANNEL,
12978 freq) ||
12979 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_PERIOD,
12980 period) ||
12981 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_INTERVAL,
12982 interval) ||
12983 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_COUNT,
12984 count) ||
12985 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_DEVICE_TYPES,
12986 dev_types_len, device_types) ||
12987 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_VENDOR_IE,
12988 ies_len, ies))
12989 goto fail;
12990
12991 nla_nest_end(msg, container);
12992 ret = send_and_recv_cmd(drv, msg);
12993 msg = NULL;
12994 if (ret) {
12995 wpa_printf(MSG_DEBUG,
12996 "nl80211: Failed to send P2P Listen offload vendor command");
12997 goto fail;
12998 }
12999
13000 return 0;
13001
13002 fail:
13003 nlmsg_free(msg);
13004 return -1;
13005 }
13006
13007
nl80211_p2p_lo_stop(void * priv)13008 static int nl80211_p2p_lo_stop(void *priv)
13009 {
13010 struct i802_bss *bss = priv;
13011 struct wpa_driver_nl80211_data *drv = bss->drv;
13012 struct nl_msg *msg;
13013
13014 wpa_printf(MSG_DEBUG, "nl80211: Stop P2P Listen offload");
13015
13016 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
13017 return -1;
13018
13019 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
13020 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
13021 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
13022 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_STOP)) {
13023 nlmsg_free(msg);
13024 return -1;
13025 }
13026
13027 return send_and_recv_cmd(drv, msg);
13028 }
13029
13030
nl80211_set_tdls_mode(void * priv,int tdls_external_control)13031 static int nl80211_set_tdls_mode(void *priv, int tdls_external_control)
13032 {
13033 struct i802_bss *bss = priv;
13034 struct wpa_driver_nl80211_data *drv = bss->drv;
13035 struct nl_msg *msg;
13036 struct nlattr *params;
13037 int ret;
13038 u32 tdls_mode;
13039
13040 wpa_printf(MSG_DEBUG,
13041 "nl80211: Set TDKS mode: tdls_external_control=%d",
13042 tdls_external_control);
13043
13044 if (tdls_external_control == 1)
13045 tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_IMPLICIT |
13046 QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXTERNAL;
13047 else
13048 tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXPLICIT;
13049
13050 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
13051 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
13052 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
13053 QCA_NL80211_VENDOR_SUBCMD_CONFIGURE_TDLS))
13054 goto fail;
13055
13056 params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
13057 if (!params)
13058 goto fail;
13059
13060 if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TDLS_CONFIG_TRIGGER_MODE,
13061 tdls_mode))
13062 goto fail;
13063
13064 nla_nest_end(msg, params);
13065
13066 ret = send_and_recv_cmd(drv, msg);
13067 msg = NULL;
13068 if (ret) {
13069 wpa_printf(MSG_ERROR,
13070 "nl80211: Set TDLS mode failed: ret=%d (%s)",
13071 ret, strerror(-ret));
13072 goto fail;
13073 }
13074 return 0;
13075 fail:
13076 nlmsg_free(msg);
13077 return -1;
13078 }
13079
13080
13081 #ifdef CONFIG_MBO
13082
13083 static enum mbo_transition_reject_reason
nl80211_mbo_reject_reason_mapping(enum qca_wlan_btm_candidate_status status)13084 nl80211_mbo_reject_reason_mapping(enum qca_wlan_btm_candidate_status status)
13085 {
13086 switch (status) {
13087 case QCA_STATUS_REJECT_EXCESSIVE_FRAME_LOSS_EXPECTED:
13088 return MBO_TRANSITION_REJECT_REASON_FRAME_LOSS;
13089 case QCA_STATUS_REJECT_EXCESSIVE_DELAY_EXPECTED:
13090 return MBO_TRANSITION_REJECT_REASON_DELAY;
13091 case QCA_STATUS_REJECT_INSUFFICIENT_QOS_CAPACITY:
13092 return MBO_TRANSITION_REJECT_REASON_QOS_CAPACITY;
13093 case QCA_STATUS_REJECT_LOW_RSSI:
13094 return MBO_TRANSITION_REJECT_REASON_RSSI;
13095 case QCA_STATUS_REJECT_HIGH_INTERFERENCE:
13096 return MBO_TRANSITION_REJECT_REASON_INTERFERENCE;
13097 case QCA_STATUS_REJECT_UNKNOWN:
13098 default:
13099 return MBO_TRANSITION_REJECT_REASON_UNSPECIFIED;
13100 }
13101 }
13102
13103
nl80211_parse_btm_candidate_info(struct candidate_list * candidate,struct nlattr * tb[],int num)13104 static void nl80211_parse_btm_candidate_info(struct candidate_list *candidate,
13105 struct nlattr *tb[], int num)
13106 {
13107 enum qca_wlan_btm_candidate_status status;
13108 char buf[50];
13109
13110 os_memcpy(candidate->bssid,
13111 nla_data(tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID]),
13112 ETH_ALEN);
13113
13114 status = nla_get_u32(
13115 tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS]);
13116 candidate->is_accept = status == QCA_STATUS_ACCEPT;
13117 candidate->reject_reason = nl80211_mbo_reject_reason_mapping(status);
13118
13119 if (candidate->is_accept)
13120 os_snprintf(buf, sizeof(buf), "Accepted");
13121 else
13122 os_snprintf(buf, sizeof(buf),
13123 "Rejected, Reject_reason: %d",
13124 candidate->reject_reason);
13125 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%d]: " MACSTR " %s",
13126 num, MAC2STR(candidate->bssid), buf);
13127 }
13128
13129
13130 static int
nl80211_get_bss_transition_status_handler(struct nl_msg * msg,void * arg)13131 nl80211_get_bss_transition_status_handler(struct nl_msg *msg, void *arg)
13132 {
13133 struct wpa_bss_candidate_info *info = arg;
13134 struct candidate_list *candidate = info->candidates;
13135 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
13136 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
13137 struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX + 1];
13138 static struct nla_policy policy[
13139 QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX + 1] = {
13140 [QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID] = {
13141 .minlen = ETH_ALEN
13142 },
13143 [QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS] = {
13144 .type = NLA_U32,
13145 },
13146 };
13147 struct nlattr *attr;
13148 int rem;
13149 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
13150 u8 num;
13151
13152 num = info->num; /* number of candidates sent to driver */
13153 info->num = 0;
13154 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
13155 genlmsg_attrlen(gnlh, 0), NULL);
13156
13157 if (!tb_msg[NL80211_ATTR_VENDOR_DATA] ||
13158 nla_parse_nested(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
13159 tb_msg[NL80211_ATTR_VENDOR_DATA], NULL) ||
13160 !tb_vendor[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO])
13161 return NL_SKIP;
13162
13163 wpa_printf(MSG_DEBUG,
13164 "nl80211: WNM Candidate list received from driver");
13165 nla_for_each_nested(attr,
13166 tb_vendor[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO],
13167 rem) {
13168 if (info->num >= num ||
13169 nla_parse_nested(
13170 tb, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX,
13171 attr, policy) ||
13172 !tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID] ||
13173 !tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS])
13174 break;
13175
13176 nl80211_parse_btm_candidate_info(candidate, tb, info->num);
13177
13178 candidate++;
13179 info->num++;
13180 }
13181
13182 return NL_SKIP;
13183 }
13184
13185
13186 static struct wpa_bss_candidate_info *
nl80211_get_bss_transition_status(void * priv,struct wpa_bss_trans_info * params)13187 nl80211_get_bss_transition_status(void *priv, struct wpa_bss_trans_info *params)
13188 {
13189 struct i802_bss *bss = priv;
13190 struct wpa_driver_nl80211_data *drv = bss->drv;
13191 struct nl_msg *msg;
13192 struct nlattr *attr, *attr1, *attr2;
13193 struct wpa_bss_candidate_info *info;
13194 u8 i;
13195 int ret;
13196 u8 *pos;
13197
13198 if (!drv->fetch_bss_trans_status)
13199 return NULL;
13200
13201 info = os_zalloc(sizeof(*info));
13202 if (!info)
13203 return NULL;
13204 /* Allocate memory for number of candidates sent to driver */
13205 info->candidates = os_calloc(params->n_candidates,
13206 sizeof(*info->candidates));
13207 if (!info->candidates) {
13208 os_free(info);
13209 return NULL;
13210 }
13211
13212 /* Copy the number of candidates being sent to driver. This is used in
13213 * nl80211_get_bss_transition_status_handler() to limit the number of
13214 * candidates that can be populated in info->candidates and will be
13215 * later overwritten with the actual number of candidates received from
13216 * the driver.
13217 */
13218 info->num = params->n_candidates;
13219
13220 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
13221 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
13222 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
13223 QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS))
13224 goto fail;
13225
13226 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
13227 if (!attr)
13228 goto fail;
13229
13230 if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_BTM_MBO_TRANSITION_REASON,
13231 params->mbo_transition_reason))
13232 goto fail;
13233
13234 attr1 = nla_nest_start(msg, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO);
13235 if (!attr1)
13236 goto fail;
13237
13238 wpa_printf(MSG_DEBUG,
13239 "nl80211: WNM Candidate list info sending to driver: mbo_transition_reason: %d n_candidates: %d",
13240 params->mbo_transition_reason, params->n_candidates);
13241 pos = params->bssid;
13242 for (i = 0; i < params->n_candidates; i++) {
13243 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%d]: " MACSTR, i,
13244 MAC2STR(pos));
13245 attr2 = nla_nest_start(msg, i);
13246 if (!attr2 ||
13247 nla_put(msg, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID,
13248 ETH_ALEN, pos))
13249 goto fail;
13250 pos += ETH_ALEN;
13251 nla_nest_end(msg, attr2);
13252 }
13253
13254 nla_nest_end(msg, attr1);
13255 nla_nest_end(msg, attr);
13256
13257 ret = send_and_recv_resp(drv, msg,
13258 nl80211_get_bss_transition_status_handler,
13259 info);
13260 msg = NULL;
13261 if (ret) {
13262 wpa_printf(MSG_ERROR,
13263 "nl80211: WNM Get BSS transition status failed: ret=%d (%s)",
13264 ret, strerror(-ret));
13265 goto fail;
13266 }
13267 return info;
13268
13269 fail:
13270 nlmsg_free(msg);
13271 os_free(info->candidates);
13272 os_free(info);
13273 return NULL;
13274 }
13275
13276
13277 /**
13278 * nl80211_ignore_assoc_disallow - Configure driver to ignore assoc_disallow
13279 * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
13280 * @ignore_assoc_disallow: 0 to not ignore, 1 to ignore
13281 * Returns: 0 on success, -1 on failure
13282 */
nl80211_ignore_assoc_disallow(void * priv,int ignore_disallow)13283 static int nl80211_ignore_assoc_disallow(void *priv, int ignore_disallow)
13284 {
13285 struct i802_bss *bss = priv;
13286 struct wpa_driver_nl80211_data *drv = bss->drv;
13287 struct nl_msg *msg;
13288 struct nlattr *attr;
13289 int ret = -1;
13290
13291 if (!drv->set_wifi_conf_vendor_cmd_avail)
13292 return -1;
13293
13294 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
13295 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
13296 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
13297 QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION))
13298 goto fail;
13299
13300 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
13301 if (!attr)
13302 goto fail;
13303
13304 wpa_printf(MSG_DEBUG, "nl80211: Set ignore_assoc_disallow %d",
13305 ignore_disallow);
13306 if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_IGNORE_ASSOC_DISALLOWED,
13307 ignore_disallow))
13308 goto fail;
13309
13310 nla_nest_end(msg, attr);
13311
13312 ret = send_and_recv_cmd(drv, msg);
13313 msg = NULL;
13314 if (ret) {
13315 wpa_printf(MSG_ERROR,
13316 "nl80211: Set ignore_assoc_disallow failed: ret=%d (%s)",
13317 ret, strerror(-ret));
13318 goto fail;
13319 }
13320
13321 fail:
13322 nlmsg_free(msg);
13323 return ret;
13324 }
13325
13326 #endif /* CONFIG_MBO */
13327
13328
13329 #ifdef CONFIG_PASN
13330
nl80211_send_pasn_resp(void * priv,struct pasn_auth * params)13331 static int nl80211_send_pasn_resp(void *priv, struct pasn_auth *params)
13332 {
13333 unsigned int i;
13334 struct i802_bss *bss = priv;
13335 struct nl_msg *msg = NULL;
13336 struct nlattr *nlpeers, *attr, *attr1;
13337 struct wpa_driver_nl80211_data *drv = bss->drv;
13338
13339 wpa_dbg(drv->ctx, MSG_DEBUG,
13340 "nl80211: PASN authentication response for %d entries",
13341 params->num_peers);
13342 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR);
13343 if (!msg ||
13344 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
13345 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
13346 QCA_NL80211_VENDOR_SUBCMD_PASN))
13347 goto fail;
13348
13349 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
13350 if (!attr)
13351 goto fail;
13352
13353 nlpeers = nla_nest_start(msg, QCA_WLAN_VENDOR_ATTR_PASN_PEERS);
13354 if (!nlpeers)
13355 goto fail;
13356
13357 for (i = 0; i < params->num_peers; i++) {
13358 attr1 = nla_nest_start(msg, i);
13359 if (!attr1 ||
13360 nla_put(msg, QCA_WLAN_VENDOR_ATTR_PASN_PEER_SRC_ADDR,
13361 ETH_ALEN, params->peer[i].own_addr) ||
13362 nla_put(msg, QCA_WLAN_VENDOR_ATTR_PASN_PEER_MAC_ADDR,
13363 ETH_ALEN, params->peer[i].peer_addr))
13364 goto fail;
13365
13366 if (params->peer[i].status == 0 &&
13367 nla_put_flag(msg,
13368 QCA_WLAN_VENDOR_ATTR_PASN_PEER_STATUS_SUCCESS))
13369 goto fail;
13370
13371 wpa_printf(MSG_DEBUG,
13372 "nl80211: Own address[%u]: " MACSTR
13373 " Peer address[%u]: " MACSTR " Status: %s",
13374 i, MAC2STR(params->peer[i].own_addr), i,
13375 MAC2STR(params->peer[i].peer_addr),
13376 params->peer[i].status ? "Fail" : "Success");
13377 nla_nest_end(msg, attr1);
13378 }
13379
13380 nla_nest_end(msg, nlpeers);
13381 nla_nest_end(msg, attr);
13382
13383 return send_and_recv_cmd(drv, msg);
13384
13385 fail:
13386 nlmsg_free(msg);
13387 return -1;
13388 }
13389
13390
wpa_ltf_keyseed_len_to_sha_type(size_t len)13391 static u32 wpa_ltf_keyseed_len_to_sha_type(size_t len)
13392 {
13393 if (len == SHA384_MAC_LEN)
13394 return QCA_WLAN_VENDOR_SHA_384;
13395 if (len == SHA256_MAC_LEN)
13396 return QCA_WLAN_VENDOR_SHA_256;
13397
13398 wpa_printf(MSG_ERROR, "nl80211: Unexpected LTF keyseed len %zu", len);
13399 return (u32) -1;
13400 }
13401
13402
nl80211_set_secure_ranging_ctx(void * priv,struct secure_ranging_params * params)13403 static int nl80211_set_secure_ranging_ctx(void *priv,
13404 struct secure_ranging_params *params)
13405 {
13406 int ret;
13407 u32 suite;
13408 struct nlattr *attr;
13409 struct nl_msg *msg = NULL;
13410 struct i802_bss *bss = priv;
13411 struct wpa_driver_nl80211_data *drv = bss->drv;
13412
13413 /* Configure secure ranging context only to the drivers that support it.
13414 */
13415 if (!drv->secure_ranging_ctx_vendor_cmd_avail)
13416 return 0;
13417
13418 if (!params->peer_addr || !params->own_addr)
13419 return -1;
13420
13421 wpa_dbg(drv->ctx, MSG_DEBUG,
13422 "nl80211: Secure ranging context for " MACSTR,
13423 MAC2STR(params->peer_addr));
13424
13425 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR);
13426 if (!msg ||
13427 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
13428 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
13429 QCA_NL80211_VENDOR_SUBCMD_SECURE_RANGING_CONTEXT))
13430 goto fail;
13431
13432 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
13433 if (!attr)
13434 goto fail;
13435
13436 if (nla_put(msg, QCA_WLAN_VENDOR_ATTR_SECURE_RANGING_CTX_PEER_MAC_ADDR,
13437 ETH_ALEN, params->peer_addr) ||
13438 nla_put(msg, QCA_WLAN_VENDOR_ATTR_SECURE_RANGING_CTX_SRC_ADDR,
13439 ETH_ALEN, params->own_addr) ||
13440 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_SECURE_RANGING_CTX_ACTION,
13441 params->action))
13442 goto fail;
13443
13444 if (params->cipher) {
13445 suite = wpa_cipher_to_cipher_suite(params->cipher);
13446 if (!suite ||
13447 nla_put_u32(msg,
13448 QCA_WLAN_VENDOR_ATTR_SECURE_RANGING_CTX_CIPHER,
13449 suite))
13450 goto fail;
13451 }
13452
13453 if (params->tk_len && params->tk) {
13454 if (nla_put(msg, QCA_WLAN_VENDOR_ATTR_SECURE_RANGING_CTX_TK,
13455 params->tk_len, params->tk))
13456 goto fail;
13457 wpa_hexdump_key(MSG_DEBUG, "nl80211: TK",
13458 params->tk, params->tk_len);
13459 }
13460
13461 if (params->ltf_keyseed_len && params->ltf_keyseed) {
13462 u32 sha_type = wpa_ltf_keyseed_len_to_sha_type(
13463 params->ltf_keyseed_len);
13464
13465 if (sha_type == (u32) -1 ||
13466 nla_put_u32(
13467 msg,
13468 QCA_WLAN_VENDOR_ATTR_SECURE_RANGING_CTX_SHA_TYPE,
13469 sha_type) ||
13470 nla_put(msg,
13471 QCA_WLAN_VENDOR_ATTR_SECURE_RANGING_CTX_LTF_KEYSEED,
13472 params->ltf_keyseed_len, params->ltf_keyseed))
13473 goto fail;
13474 wpa_hexdump_key(MSG_DEBUG, "nl80211: LTF keyseed",
13475 params->ltf_keyseed, params->ltf_keyseed_len);
13476 }
13477 nla_nest_end(msg, attr);
13478
13479 ret = send_and_recv_cmd(drv, msg);
13480 if (ret)
13481 wpa_printf(MSG_DEBUG,
13482 "nl80211: Set secure ranging context failed: ret=%d (%s)",
13483 ret, strerror(-ret));
13484 return ret;
13485 fail:
13486 nlmsg_free(msg);
13487 return -1;
13488 }
13489
13490 #endif /* CONFIG_PASN */
13491
13492 #endif /* CONFIG_DRIVER_NL80211_QCA */
13493
13494
13495 #ifdef CONFIG_DRIVER_NL80211_BRCM
wpa_driver_do_broadcom_acs(struct wpa_driver_nl80211_data * drv,struct drv_acs_params * params)13496 static int wpa_driver_do_broadcom_acs(struct wpa_driver_nl80211_data *drv,
13497 struct drv_acs_params *params)
13498 {
13499 struct nl_msg *msg;
13500 struct nlattr *data;
13501 int freq_list_len;
13502 int ret = -1;
13503
13504 freq_list_len = int_array_len(params->freq_list);
13505 wpa_printf(MSG_DEBUG, "%s: freq_list_len=%d",
13506 __func__, freq_list_len);
13507
13508 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR);
13509 if (!msg ||
13510 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_BRCM) ||
13511 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
13512 BRCM_VENDOR_SCMD_ACS) ||
13513 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
13514 nla_put_u8(msg, BRCM_VENDOR_ATTR_ACS_HW_MODE, params->hw_mode) ||
13515 nla_put_u8(msg, BRCM_VENDOR_ATTR_ACS_HT_ENABLED,
13516 params->ht_enabled) ||
13517 nla_put_u8(msg, BRCM_VENDOR_ATTR_ACS_HT40_ENABLED,
13518 params->ht40_enabled) ||
13519 nla_put_u8(msg, BRCM_VENDOR_ATTR_ACS_VHT_ENABLED,
13520 params->vht_enabled) ||
13521 nla_put_u16(msg, BRCM_VENDOR_ATTR_ACS_CHWIDTH, params->ch_width) ||
13522 (freq_list_len > 0 &&
13523 nla_put(msg, BRCM_VENDOR_ATTR_ACS_FREQ_LIST,
13524 sizeof(int) * freq_list_len, params->freq_list)))
13525 goto fail;
13526 nla_nest_end(msg, data);
13527
13528 wpa_printf(MSG_DEBUG,
13529 "nl80211: ACS Params: HW_MODE: %d HT: %d HT40: %d VHT: %d BW: %d",
13530 params->hw_mode, params->ht_enabled, params->ht40_enabled,
13531 params->vht_enabled, params->ch_width);
13532
13533 ret = send_and_recv_cmd(drv, msg);
13534 if (ret) {
13535 wpa_printf(MSG_ERROR,
13536 "nl80211: BRCM Failed to invoke driver ACS function: %s",
13537 strerror(errno));
13538 }
13539
13540 msg = NULL;
13541 fail:
13542 nlmsg_free(msg);
13543 return ret;
13544 }
13545 #endif /* CONFIG_DRIVER_NL80211_BRCM */
13546
13547
nl80211_do_acs(void * priv,struct drv_acs_params * params)13548 static int nl80211_do_acs(void *priv, struct drv_acs_params *params)
13549 {
13550 #if defined(CONFIG_DRIVER_NL80211_QCA) || defined(CONFIG_DRIVER_NL80211_BRCM)
13551 struct i802_bss *bss = priv;
13552 struct wpa_driver_nl80211_data *drv = bss->drv;
13553 #endif /* CONFIG_DRIVER_NL80211_QCA || CONFIG_DRIVER_NL80211_BRCM */
13554
13555 #ifdef CONFIG_DRIVER_NL80211_QCA
13556 if (drv->qca_do_acs)
13557 return nl80211_qca_do_acs(drv, params);
13558 #endif /* CONFIG_DRIVER_NL80211_QCA */
13559
13560 #ifdef CONFIG_DRIVER_NL80211_BRCM
13561 if (drv->brcm_do_acs)
13562 return wpa_driver_do_broadcom_acs(drv, params);
13563 #endif /* CONFIG_DRIVER_NL80211_BRCM */
13564
13565 return -1;
13566 }
13567
13568
nl80211_write_to_file(const char * name,unsigned int val)13569 static int nl80211_write_to_file(const char *name, unsigned int val)
13570 {
13571 int fd, len;
13572 char tmp[128];
13573 int ret = 0;
13574
13575 fd = open(name, O_RDWR);
13576 if (fd < 0) {
13577 int level;
13578 /*
13579 * Flags may not exist on older kernels, or while we're tearing
13580 * down a disappearing device.
13581 */
13582 if (errno == ENOENT) {
13583 ret = 0;
13584 level = MSG_DEBUG;
13585 } else {
13586 ret = -1;
13587 level = MSG_ERROR;
13588 }
13589 wpa_printf(level, "nl80211: Failed to open %s: %s",
13590 name, strerror(errno));
13591 return ret;
13592 }
13593
13594 len = os_snprintf(tmp, sizeof(tmp), "%u\n", val);
13595 len = write(fd, tmp, len);
13596 if (len < 0) {
13597 ret = -1;
13598 wpa_printf(MSG_ERROR, "nl80211: Failed to write to %s: %s",
13599 name, strerror(errno));
13600 }
13601 close(fd);
13602
13603 return ret;
13604 }
13605
13606
nl80211_configure_data_frame_filters(void * priv,u32 filter_flags)13607 static int nl80211_configure_data_frame_filters(void *priv, u32 filter_flags)
13608 {
13609 struct i802_bss *bss = priv;
13610 char path[128];
13611 int ret;
13612
13613 /* P2P-Device has no netdev that can (or should) be configured here */
13614 if (nl80211_get_ifmode(bss) == NL80211_IFTYPE_P2P_DEVICE)
13615 return 0;
13616
13617 wpa_printf(MSG_DEBUG, "nl80211: Data frame filter flags=0x%x",
13618 filter_flags);
13619
13620 /* Configure filtering of unicast frame encrypted using GTK */
13621 ret = os_snprintf(path, sizeof(path),
13622 "/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast",
13623 bss->ifname);
13624 if (os_snprintf_error(sizeof(path), ret))
13625 return -1;
13626
13627 ret = nl80211_write_to_file(path,
13628 !!(filter_flags &
13629 WPA_DATA_FRAME_FILTER_FLAG_GTK));
13630 if (ret) {
13631 wpa_printf(MSG_ERROR,
13632 "nl80211: Failed to set IPv4 unicast in multicast filter");
13633 return ret;
13634 }
13635
13636 os_snprintf(path, sizeof(path),
13637 "/proc/sys/net/ipv6/conf/%s/drop_unicast_in_l2_multicast",
13638 bss->ifname);
13639 ret = nl80211_write_to_file(path,
13640 !!(filter_flags &
13641 WPA_DATA_FRAME_FILTER_FLAG_GTK));
13642
13643 if (ret) {
13644 wpa_printf(MSG_ERROR,
13645 "nl80211: Failed to set IPv6 unicast in multicast filter");
13646 return ret;
13647 }
13648
13649 /* Configure filtering of unicast frame encrypted using GTK */
13650 os_snprintf(path, sizeof(path),
13651 "/proc/sys/net/ipv4/conf/%s/drop_gratuitous_arp",
13652 bss->ifname);
13653 ret = nl80211_write_to_file(path,
13654 !!(filter_flags &
13655 WPA_DATA_FRAME_FILTER_FLAG_ARP));
13656 if (ret) {
13657 wpa_printf(MSG_ERROR,
13658 "nl80211: Failed set gratuitous ARP filter");
13659 return ret;
13660 }
13661
13662 /* Configure filtering of IPv6 NA frames */
13663 os_snprintf(path, sizeof(path),
13664 "/proc/sys/net/ipv6/conf/%s/drop_unsolicited_na",
13665 bss->ifname);
13666 ret = nl80211_write_to_file(path,
13667 !!(filter_flags &
13668 WPA_DATA_FRAME_FILTER_FLAG_NA));
13669 if (ret) {
13670 wpa_printf(MSG_ERROR,
13671 "nl80211: Failed to set unsolicited NA filter");
13672 return ret;
13673 }
13674
13675 return 0;
13676 }
13677
13678
nl80211_get_ext_capab(void * priv,enum wpa_driver_if_type type,const u8 ** ext_capa,const u8 ** ext_capa_mask,unsigned int * ext_capa_len)13679 static int nl80211_get_ext_capab(void *priv, enum wpa_driver_if_type type,
13680 const u8 **ext_capa, const u8 **ext_capa_mask,
13681 unsigned int *ext_capa_len)
13682 {
13683 struct i802_bss *bss = priv;
13684 struct wpa_driver_nl80211_data *drv = bss->drv;
13685 enum nl80211_iftype nlmode;
13686 unsigned int i;
13687
13688 if (!ext_capa || !ext_capa_mask || !ext_capa_len)
13689 return -1;
13690
13691 nlmode = wpa_driver_nl80211_if_type(type);
13692
13693 /* By default, use the per-radio values */
13694 *ext_capa = drv->extended_capa;
13695 *ext_capa_mask = drv->extended_capa_mask;
13696 *ext_capa_len = drv->extended_capa_len;
13697
13698 /* Replace the default value if a per-interface type value exists */
13699 for (i = 0; i < drv->num_iface_capa; i++) {
13700 if (nlmode == drv->iface_capa[i].iftype) {
13701 *ext_capa = drv->iface_capa[i].ext_capa;
13702 *ext_capa_mask = drv->iface_capa[i].ext_capa_mask;
13703 *ext_capa_len = drv->iface_capa[i].ext_capa_len;
13704 break;
13705 }
13706 }
13707
13708 return 0;
13709 }
13710
13711
nl80211_get_mld_capab(void * priv,enum wpa_driver_if_type type,u16 * eml_capa,u16 * mld_capa_and_ops)13712 static int nl80211_get_mld_capab(void *priv, enum wpa_driver_if_type type,
13713 u16 *eml_capa, u16 *mld_capa_and_ops)
13714 {
13715 struct i802_bss *bss = priv;
13716 struct wpa_driver_nl80211_data *drv = bss->drv;
13717 enum nl80211_iftype nlmode;
13718 unsigned int i;
13719
13720 if (!eml_capa || !mld_capa_and_ops)
13721 return -1;
13722
13723 nlmode = wpa_driver_nl80211_if_type(type);
13724
13725 /* By default, set to zero */
13726 *eml_capa = 0;
13727 *mld_capa_and_ops = 0;
13728
13729 /* Replace the default value if a per-interface type value exists */
13730 for (i = 0; i < drv->num_iface_capa; i++) {
13731 if (nlmode == drv->iface_capa[i].iftype) {
13732 *eml_capa = drv->iface_capa[i].eml_capa;
13733 *mld_capa_and_ops =
13734 drv->iface_capa[i].mld_capa_and_ops;
13735 break;
13736 }
13737 }
13738
13739 return 0;
13740 }
13741
13742
nl80211_update_connection_params(void * priv,struct wpa_driver_associate_params * params,enum wpa_drv_update_connect_params_mask mask)13743 static int nl80211_update_connection_params(
13744 void *priv, struct wpa_driver_associate_params *params,
13745 enum wpa_drv_update_connect_params_mask mask)
13746 {
13747 struct i802_bss *bss = priv;
13748 struct wpa_driver_nl80211_data *drv = bss->drv;
13749 struct nl_msg *msg;
13750 int ret = -1;
13751 enum nl80211_auth_type type;
13752
13753 /* Update Connection Params is intended for drivers that implement
13754 * internal SME and expect these updated connection params from
13755 * wpa_supplicant. Do not send this request for the drivers using
13756 * SME from wpa_supplicant.
13757 */
13758 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME)
13759 return 0;
13760
13761 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_CONNECT_PARAMS);
13762 if (!msg)
13763 goto fail;
13764
13765 wpa_printf(MSG_DEBUG, "nl80211: Update connection params (ifindex=%d)",
13766 drv->ifindex);
13767
13768 if ((mask & WPA_DRV_UPDATE_ASSOC_IES) && params->wpa_ie) {
13769 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
13770 params->wpa_ie))
13771 goto fail;
13772 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie,
13773 params->wpa_ie_len);
13774 }
13775
13776 if (mask & WPA_DRV_UPDATE_AUTH_TYPE) {
13777 type = get_nl_auth_type(params->auth_alg);
13778 if (type == NL80211_AUTHTYPE_MAX ||
13779 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
13780 goto fail;
13781 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
13782 }
13783
13784 if ((mask & WPA_DRV_UPDATE_FILS_ERP_INFO) &&
13785 nl80211_put_fils_connect_params(drv, params, msg))
13786 goto fail;
13787
13788 ret = send_and_recv_cmd(drv, msg);
13789 msg = NULL;
13790 if (ret)
13791 wpa_dbg(drv->ctx, MSG_DEBUG,
13792 "nl80211: Update connect params command failed: ret=%d (%s)",
13793 ret, strerror(-ret));
13794
13795 fail:
13796 nlmsg_free(msg);
13797 return ret;
13798 }
13799
13800
nl80211_send_external_auth_status(void * priv,struct external_auth * params)13801 static int nl80211_send_external_auth_status(void *priv,
13802 struct external_auth *params)
13803 {
13804 struct i802_bss *bss = priv;
13805 struct wpa_driver_nl80211_data *drv = bss->drv;
13806 struct nl_msg *msg = NULL;
13807 int ret = -1;
13808
13809 /* External auth command/status is intended for drivers that implement
13810 * internal SME but want to offload authentication processing (e.g.,
13811 * SAE) to hostapd/wpa_supplicant. Do not send the status to drivers
13812 * which do not support AP SME or use wpa_supplicant/hostapd SME.
13813 */
13814 if ((is_ap_interface(drv->nlmode) && !bss->drv->device_ap_sme) ||
13815 (drv->capa.flags & WPA_DRIVER_FLAGS_SME))
13816 return -1;
13817
13818 wpa_dbg(drv->ctx, MSG_DEBUG,
13819 "nl80211: External auth status: %u", params->status);
13820
13821 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_EXTERNAL_AUTH);
13822 if (!msg ||
13823 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, params->status) ||
13824 (params->ssid && params->ssid_len &&
13825 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) ||
13826 (params->pmkid &&
13827 nla_put(msg, NL80211_ATTR_PMKID, PMKID_LEN, params->pmkid)) ||
13828 (params->bssid &&
13829 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid)))
13830 goto fail;
13831 ret = send_and_recv_cmd(drv, msg);
13832 msg = NULL;
13833 if (ret) {
13834 wpa_printf(MSG_DEBUG,
13835 "nl80211: External Auth status update failed: ret=%d (%s)",
13836 ret, strerror(-ret));
13837 goto fail;
13838 }
13839 fail:
13840 nlmsg_free(msg);
13841 return ret;
13842 }
13843
13844
nl80211_set_4addr_mode(void * priv,const char * bridge_ifname,int val)13845 static int nl80211_set_4addr_mode(void *priv, const char *bridge_ifname,
13846 int val)
13847 {
13848 struct i802_bss *bss = priv;
13849 struct wpa_driver_nl80211_data *drv = bss->drv;
13850 struct nl_msg *msg;
13851 int ret = -ENOBUFS;
13852
13853 wpa_printf(MSG_DEBUG, "nl80211: %s 4addr mode (bridge_ifname: %s)",
13854 val ? "Enable" : "Disable", bridge_ifname);
13855
13856 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
13857 if (!msg || nla_put_u8(msg, NL80211_ATTR_4ADDR, val))
13858 goto fail;
13859
13860 if (bridge_ifname[0] && bss->added_if_into_bridge && !val) {
13861 if (linux_br_del_if(drv->global->ioctl_sock,
13862 bridge_ifname, bss->ifname)) {
13863 wpa_printf(MSG_ERROR,
13864 "nl80211: Failed to remove interface %s from bridge %s",
13865 bss->ifname, bridge_ifname);
13866 return -1;
13867 }
13868 bss->added_if_into_bridge = 0;
13869 }
13870
13871 ret = send_and_recv_cmd(drv, msg);
13872 msg = NULL;
13873 if (ret && val && nl80211_get_4addr(bss) == 1) {
13874 wpa_printf(MSG_DEBUG,
13875 "nl80211: 4addr mode was already enabled");
13876 ret = 0;
13877 }
13878 if (!ret) {
13879 if (bridge_ifname[0] && val &&
13880 i802_check_bridge(drv, bss, bridge_ifname, bss->ifname) < 0)
13881 return -1;
13882 return 0;
13883 }
13884
13885 fail:
13886 nlmsg_free(msg);
13887 wpa_printf(MSG_ERROR, "nl80211: Failed to enable/disable 4addr");
13888
13889 return ret;
13890 }
13891
13892
13893 #ifdef CONFIG_DPP
nl80211_dpp_listen(void * priv,bool enable)13894 static int nl80211_dpp_listen(void *priv, bool enable)
13895 {
13896 struct i802_bss *bss = priv;
13897 struct wpa_driver_nl80211_data *drv = bss->drv;
13898 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
13899 struct nl_sock *handle;
13900
13901 if (!drv->multicast_registrations || !bss->nl_mgmt)
13902 return 0; /* cannot do more than hope broadcast RX works */
13903
13904 wpa_printf(MSG_DEBUG,
13905 "nl80211: Update DPP Public Action frame registration (%s multicast RX)",
13906 enable ? "enable" : "disable");
13907 handle = (void *) (((intptr_t) bss->nl_mgmt) ^ ELOOP_SOCKET_INVALID);
13908 return nl80211_register_frame(bss, handle, type,
13909 (u8 *) "\x04\x09\x50\x6f\x9a\x1a", 6,
13910 enable);
13911 }
13912 #endif /* CONFIG_DPP */
13913
13914
nl80211_link_add(void * priv,u8 link_id,const u8 * addr,void * bss_ctx)13915 static int nl80211_link_add(void *priv, u8 link_id, const u8 *addr,
13916 void *bss_ctx)
13917 {
13918 struct i802_bss *bss = priv;
13919 struct wpa_driver_nl80211_data *drv = bss->drv;
13920 struct nl_msg *msg;
13921 int ret;
13922
13923 wpa_printf(MSG_DEBUG, "nl80211: MLD: add link_id=%u, addr=" MACSTR,
13924 link_id, MAC2STR(addr));
13925
13926 if (drv->nlmode != NL80211_IFTYPE_AP) {
13927 wpa_printf(MSG_DEBUG,
13928 "nl80211: MLD: cannot add link to iftype=%u",
13929 drv->nlmode);
13930 return -EINVAL;
13931 }
13932
13933 if (link_id >= MAX_NUM_MLD_LINKS) {
13934 wpa_printf(MSG_DEBUG,
13935 "nl80211: invalid link_id=%u", link_id);
13936 return -EINVAL;
13937 }
13938
13939 if (bss->valid_links & BIT(link_id)) {
13940 wpa_printf(MSG_DEBUG,
13941 "nl80211: MLD: Link %u already set", link_id);
13942 return -EINVAL;
13943 }
13944
13945 if (!bss->valid_links) {
13946 /* Becoming MLD, verify we were not beaconing */
13947 if (bss->flink->beacon_set) {
13948 wpa_printf(MSG_DEBUG, "nl80211: BSS already beaconing");
13949 return -EINVAL;
13950 }
13951 }
13952
13953 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_ADD_LINK);
13954 if (!msg ||
13955 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id) ||
13956 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
13957 nlmsg_free(msg);
13958 return -ENOBUFS;
13959 }
13960
13961 ret = send_and_recv_cmd(drv, msg);
13962 if (ret) {
13963 wpa_printf(MSG_DEBUG, "nl80211: add link failed. ret=%d (%s)",
13964 ret, strerror(-ret));
13965 return ret;
13966 }
13967
13968 os_memcpy(bss->links[link_id].addr, addr, ETH_ALEN);
13969
13970 /* The new link is the first one, make it the default */
13971 if (!bss->valid_links)
13972 bss->flink = &bss->links[link_id];
13973
13974 bss->valid_links |= BIT(link_id);
13975 bss->links[link_id].ctx = bss_ctx;
13976
13977 wpa_printf(MSG_DEBUG, "nl80211: MLD: valid_links=0x%04x on %s",
13978 bss->valid_links, bss->ifname);
13979 return 0;
13980 }
13981
13982
13983 #ifdef CONFIG_IEEE80211BE
wpa_driver_nl80211_link_sta_remove(void * priv,u8 link_id,const u8 * addr)13984 static int wpa_driver_nl80211_link_sta_remove(void *priv, u8 link_id,
13985 const u8 *addr)
13986 {
13987 struct i802_bss *bss = priv;
13988 struct wpa_driver_nl80211_data *drv = bss->drv;
13989 struct nl_msg *msg;
13990 int ret;
13991
13992 if (!(bss->valid_links & BIT(link_id)))
13993 return -ENOLINK;
13994
13995 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_REMOVE_LINK_STA)) ||
13996 nla_put(msg, NL80211_ATTR_MLD_ADDR, ETH_ALEN, addr) ||
13997 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)) {
13998 nlmsg_free(msg);
13999 return -ENOBUFS;
14000 }
14001
14002 ret = send_and_recv_cmd(drv, msg);
14003 wpa_printf(MSG_DEBUG,
14004 "nl80211: link_sta_remove -> REMOVE_LINK_STA on link_id %u from MLD STA "
14005 MACSTR ", from %s --> %d (%s)",
14006 link_id, MAC2STR(addr), bss->ifname, ret, strerror(-ret));
14007
14008 return ret;
14009 }
14010 #endif /* CONFIG_IEEE80211BE */
14011
14012
14013 #ifdef CONFIG_TESTING_OPTIONS
14014
testing_nl80211_register_frame(void * priv,u16 type,const u8 * match,size_t match_len,bool multicast)14015 static int testing_nl80211_register_frame(void *priv, u16 type,
14016 const u8 *match, size_t match_len,
14017 bool multicast)
14018 {
14019 struct i802_bss *bss = priv;
14020 struct nl_sock *handle;
14021
14022 if (!bss->nl_mgmt)
14023 return -1;
14024 handle = (void *) (((intptr_t) bss->nl_mgmt) ^ ELOOP_SOCKET_INVALID);
14025 return nl80211_register_frame(bss, handle, type, match, match_len,
14026 multicast);
14027 }
14028
14029
testing_nl80211_radio_disable(void * priv,int disabled)14030 static int testing_nl80211_radio_disable(void *priv, int disabled)
14031 {
14032 struct i802_bss *bss = priv;
14033 struct wpa_driver_nl80211_data *drv = bss->drv;
14034
14035 /* For now, this is supported only partially in station mode with
14036 * SME-in-wpa_supplicant case where the NL80211_ATTR_LOCAL_STATE_CHANGE
14037 * attribute can be used to avoid sending out the Deauthentication frame
14038 * to the currently associated AP. */
14039
14040 if (!disabled)
14041 return 0;
14042
14043 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
14044 return -1;
14045
14046 if (!drv->associated)
14047 return 0;
14048
14049 return wpa_driver_nl80211_mlme(drv, drv->bssid,
14050 NL80211_CMD_DEAUTHENTICATE,
14051 WLAN_REASON_PREV_AUTH_NOT_VALID, 1,
14052 drv->first_bss);
14053 }
14054
14055 #endif /* CONFIG_TESTING_OPTIONS */
14056
14057
14058 const struct wpa_driver_ops wpa_driver_nl80211_ops = {
14059 .name = "nl80211",
14060 .desc = "Linux nl80211/cfg80211",
14061 .get_bssid = wpa_driver_nl80211_get_bssid,
14062 .get_ssid = wpa_driver_nl80211_get_ssid,
14063 .set_key = driver_nl80211_set_key,
14064 .scan2 = driver_nl80211_scan2,
14065 .sched_scan = wpa_driver_nl80211_sched_scan,
14066 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
14067 .get_scan_results = wpa_driver_nl80211_get_scan_results,
14068 .abort_scan = wpa_driver_nl80211_abort_scan,
14069 .deauthenticate = driver_nl80211_deauthenticate,
14070 .authenticate = driver_nl80211_authenticate,
14071 .associate = wpa_driver_nl80211_associate,
14072 .global_init = nl80211_global_init,
14073 .global_deinit = nl80211_global_deinit,
14074 .init2 = wpa_driver_nl80211_init,
14075 .deinit = driver_nl80211_deinit,
14076 .get_capa = wpa_driver_nl80211_get_capa,
14077 .set_operstate = wpa_driver_nl80211_set_operstate,
14078 .set_supp_port = wpa_driver_nl80211_set_supp_port,
14079 .set_country = wpa_driver_nl80211_set_country,
14080 .get_country = wpa_driver_nl80211_get_country,
14081 .set_ap = wpa_driver_nl80211_set_ap,
14082 .set_acl = wpa_driver_nl80211_set_acl,
14083 .if_add = wpa_driver_nl80211_if_add,
14084 .if_remove = driver_nl80211_if_remove,
14085 .send_mlme = driver_nl80211_send_mlme,
14086 .get_hw_feature_data = nl80211_get_hw_feature_data,
14087 .sta_add = wpa_driver_nl80211_sta_add,
14088 .sta_remove = driver_nl80211_sta_remove,
14089 .tx_control_port = nl80211_tx_control_port,
14090 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
14091 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
14092 .sta_set_airtime_weight = driver_nl80211_sta_set_airtime_weight,
14093 .hapd_init = i802_init,
14094 .hapd_deinit = i802_deinit,
14095 .set_wds_sta = i802_set_wds_sta,
14096 .get_seqnum = i802_get_seqnum,
14097 .flush = i802_flush,
14098 .get_inact_sec = i802_get_inact_sec,
14099 .sta_clear_stats = i802_sta_clear_stats,
14100 .set_rts = i802_set_rts,
14101 .set_frag = i802_set_frag,
14102 .set_tx_queue_params = i802_set_tx_queue_params,
14103 .set_sta_vlan = driver_nl80211_set_sta_vlan,
14104 .sta_deauth = i802_sta_deauth,
14105 .sta_disassoc = i802_sta_disassoc,
14106 .read_sta_data = driver_nl80211_read_sta_data,
14107 .set_freq = i802_set_freq,
14108 .send_action = driver_nl80211_send_action,
14109 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
14110 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
14111 .cancel_remain_on_channel =
14112 wpa_driver_nl80211_cancel_remain_on_channel,
14113 .probe_req_report = driver_nl80211_probe_req_report,
14114 .deinit_ap = wpa_driver_nl80211_deinit_ap,
14115 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
14116 .resume = wpa_driver_nl80211_resume,
14117 .signal_monitor = nl80211_signal_monitor,
14118 .signal_poll = nl80211_signal_poll,
14119 .mlo_signal_poll = nl80211_mlo_signal_poll,
14120 .channel_info = nl80211_channel_info,
14121 .set_param = nl80211_set_param,
14122 .get_radio_name = nl80211_get_radio_name,
14123 .add_pmkid = nl80211_add_pmkid,
14124 .remove_pmkid = nl80211_remove_pmkid,
14125 .flush_pmkid = nl80211_flush_pmkid,
14126 .set_rekey_info = nl80211_set_rekey_info,
14127 .poll_client = nl80211_poll_client,
14128 .set_p2p_powersave = nl80211_set_p2p_powersave,
14129 .start_dfs_cac = nl80211_start_radar_detection,
14130 .stop_ap = wpa_driver_nl80211_stop_ap,
14131 #ifdef CONFIG_TDLS
14132 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
14133 .tdls_oper = nl80211_tdls_oper,
14134 .tdls_enable_channel_switch = nl80211_tdls_enable_channel_switch,
14135 .tdls_disable_channel_switch = nl80211_tdls_disable_channel_switch,
14136 #endif /* CONFIG_TDLS */
14137 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
14138 .update_dh_ie = nl80211_update_dh_ie,
14139 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
14140 .get_survey = wpa_driver_nl80211_get_survey,
14141 .status = wpa_driver_nl80211_status,
14142 .switch_channel = nl80211_switch_channel,
14143 #ifdef CONFIG_IEEE80211AX
14144 .switch_color = nl80211_switch_color,
14145 #endif /* CONFIG_IEEE80211AX */
14146 #ifdef ANDROID_P2P
14147 .set_noa = wpa_driver_set_p2p_noa,
14148 .get_noa = wpa_driver_get_p2p_noa,
14149 .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie,
14150 #endif /* ANDROID_P2P */
14151 #ifdef ANDROID
14152 #ifndef ANDROID_LIB_STUB
14153 .driver_cmd = wpa_driver_nl80211_driver_cmd,
14154 #endif /* !ANDROID_LIB_STUB */
14155 #endif /* ANDROID */
14156 .vendor_cmd = nl80211_vendor_cmd,
14157 .set_qos_map = nl80211_set_qos_map,
14158 .get_wowlan = nl80211_get_wowlan,
14159 .set_wowlan = nl80211_set_wowlan,
14160 .set_mac_addr = nl80211_set_mac_addr,
14161 #ifdef CONFIG_MESH
14162 .init_mesh = wpa_driver_nl80211_init_mesh,
14163 .join_mesh = wpa_driver_nl80211_join_mesh,
14164 .leave_mesh = wpa_driver_nl80211_leave_mesh,
14165 .probe_mesh_link = nl80211_probe_mesh_link,
14166 #endif /* CONFIG_MESH */
14167 .br_add_ip_neigh = wpa_driver_br_add_ip_neigh,
14168 .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh,
14169 .br_port_set_attr = wpa_driver_br_port_set_attr,
14170 .br_set_net_param = wpa_driver_br_set_net_param,
14171 .add_tx_ts = nl80211_add_ts,
14172 .del_tx_ts = nl80211_del_ts,
14173 .get_ifindex = nl80211_get_ifindex,
14174 #ifdef CONFIG_DRIVER_NL80211_QCA
14175 .roaming = nl80211_roaming,
14176 .disable_fils = nl80211_disable_fils,
14177 .set_band = nl80211_set_band,
14178 .get_pref_freq_list = nl80211_get_pref_freq_list,
14179 .set_prob_oper_freq = nl80211_set_prob_oper_freq,
14180 .p2p_lo_start = nl80211_p2p_lo_start,
14181 .p2p_lo_stop = nl80211_p2p_lo_stop,
14182 .set_default_scan_ies = nl80211_set_default_scan_ies,
14183 .set_tdls_mode = nl80211_set_tdls_mode,
14184 #ifdef CONFIG_MBO
14185 .get_bss_transition_status = nl80211_get_bss_transition_status,
14186 .ignore_assoc_disallow = nl80211_ignore_assoc_disallow,
14187 #endif /* CONFIG_MBO */
14188 .set_bssid_tmp_disallow = nl80211_set_bssid_tmp_disallow,
14189 .add_sta_node = nl80211_add_sta_node,
14190 #ifdef CONFIG_PASN
14191 .send_pasn_resp = nl80211_send_pasn_resp,
14192 .set_secure_ranging_ctx = nl80211_set_secure_ranging_ctx,
14193 #endif /* CONFIG_PASN */
14194 #endif /* CONFIG_DRIVER_NL80211_QCA */
14195 .do_acs = nl80211_do_acs,
14196 .configure_data_frame_filters = nl80211_configure_data_frame_filters,
14197 .get_ext_capab = nl80211_get_ext_capab,
14198 .get_mld_capab = nl80211_get_mld_capab,
14199 .update_connect_params = nl80211_update_connection_params,
14200 .send_external_auth_status = nl80211_send_external_auth_status,
14201 .set_4addr_mode = nl80211_set_4addr_mode,
14202 #ifdef CONFIG_DPP
14203 .dpp_listen = nl80211_dpp_listen,
14204 #endif /* CONFIG_DPP */
14205 .get_sta_mlo_info = nl80211_get_sta_mlo_info,
14206 .link_add = nl80211_link_add,
14207 #ifdef CONFIG_IEEE80211BE
14208 .link_remove = driver_nl80211_link_remove,
14209 .is_drv_shared = nl80211_is_drv_shared,
14210 .link_sta_remove = wpa_driver_nl80211_link_sta_remove,
14211 #endif /* CONFIG_IEEE80211BE */
14212 #ifdef CONFIG_TESTING_OPTIONS
14213 .register_frame = testing_nl80211_register_frame,
14214 .radio_disable = testing_nl80211_radio_disable,
14215 #endif /* CONFIG_TESTING_OPTIONS */
14216 };
14217