1 /*
2 * hostapd / Driver interaction with Atheros driver
3 * Copyright (c) 2004, Sam Leffler <sam@errno.com>
4 * Copyright (c) 2004, Video54 Technologies
5 * Copyright (c) 2005-2007, Jouni Malinen <j@w1.fi>
6 * Copyright (c) 2009, Atheros Communications
7 *
8 * This software may be distributed under the terms of the BSD license.
9 * See README for more details.
10 */
11
12 #include "includes.h"
13 #include <net/if.h>
14 #include <sys/ioctl.h>
15
16 #include "common.h"
17 #include "eloop.h"
18 #include "common/ieee802_11_defs.h"
19 #include "l2_packet/l2_packet.h"
20
21 #include "common.h"
22 #ifndef _BYTE_ORDER
23 #ifdef WORDS_BIGENDIAN
24 #define _BYTE_ORDER _BIG_ENDIAN
25 #else
26 #define _BYTE_ORDER _LITTLE_ENDIAN
27 #endif
28 #endif /* _BYTE_ORDER */
29
30 /*
31 * Note, the ATH_WPS_IE setting must match with the driver build.. If the
32 * driver does not include this, the IEEE80211_IOCTL_GETWPAIE ioctl will fail.
33 */
34 #define ATH_WPS_IE
35
36 #include "ieee80211_external.h"
37
38 /* Avoid conflicting definition from the driver header files with
39 * common/wpa_common.h */
40 #undef WPA_OUI_TYPE
41
42
43 #ifdef CONFIG_WPS
44 #include <netpacket/packet.h>
45 #endif /* CONFIG_WPS */
46
47 #ifndef ETH_P_80211_RAW
48 #define ETH_P_80211_RAW 0x0019
49 #endif
50
51 #include "linux_wext.h"
52
53 #include "driver.h"
54 #include "eloop.h"
55 #include "priv_netlink.h"
56 #include "l2_packet/l2_packet.h"
57 #include "common/ieee802_11_defs.h"
58 #include "netlink.h"
59 #include "linux_ioctl.h"
60
61
62 struct atheros_driver_data {
63 struct hostapd_data *hapd; /* back pointer */
64
65 char iface[IFNAMSIZ + 1];
66 int ifindex;
67 struct l2_packet_data *sock_xmit; /* raw packet xmit socket */
68 struct l2_packet_data *sock_recv; /* raw packet recv socket */
69 int ioctl_sock; /* socket for ioctl() use */
70 struct netlink_data *netlink;
71 int we_version;
72 int fils_en; /* FILS enable/disable in driver */
73 u8 acct_mac[ETH_ALEN];
74 struct hostap_sta_driver_data acct_data;
75
76 struct l2_packet_data *sock_raw; /* raw 802.11 management frames */
77 struct wpabuf *wpa_ie;
78 struct wpabuf *wps_beacon_ie;
79 struct wpabuf *wps_probe_resp_ie;
80 u8 own_addr[ETH_ALEN];
81 };
82
83 static int atheros_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
84 u16 reason_code);
85 static int atheros_set_privacy(void *priv, int enabled);
86
athr_get_ioctl_name(int op)87 static const char * athr_get_ioctl_name(int op)
88 {
89 switch (op) {
90 case IEEE80211_IOCTL_SETPARAM:
91 return "SETPARAM";
92 case IEEE80211_IOCTL_GETPARAM:
93 return "GETPARAM";
94 case IEEE80211_IOCTL_SETKEY:
95 return "SETKEY";
96 case IEEE80211_IOCTL_SETWMMPARAMS:
97 return "SETWMMPARAMS";
98 case IEEE80211_IOCTL_DELKEY:
99 return "DELKEY";
100 case IEEE80211_IOCTL_GETWMMPARAMS:
101 return "GETWMMPARAMS";
102 case IEEE80211_IOCTL_SETMLME:
103 return "SETMLME";
104 case IEEE80211_IOCTL_GETCHANINFO:
105 return "GETCHANINFO";
106 case IEEE80211_IOCTL_SETOPTIE:
107 return "SETOPTIE";
108 case IEEE80211_IOCTL_GETOPTIE:
109 return "GETOPTIE";
110 case IEEE80211_IOCTL_ADDMAC:
111 return "ADDMAC";
112 case IEEE80211_IOCTL_DELMAC:
113 return "DELMAC";
114 case IEEE80211_IOCTL_GETCHANLIST:
115 return "GETCHANLIST";
116 case IEEE80211_IOCTL_SETCHANLIST:
117 return "SETCHANLIST";
118 case IEEE80211_IOCTL_KICKMAC:
119 return "KICKMAC";
120 case IEEE80211_IOCTL_CHANSWITCH:
121 return "CHANSWITCH";
122 case IEEE80211_IOCTL_GETMODE:
123 return "GETMODE";
124 case IEEE80211_IOCTL_SETMODE:
125 return "SETMODE";
126 case IEEE80211_IOCTL_GET_APPIEBUF:
127 return "GET_APPIEBUF";
128 case IEEE80211_IOCTL_SET_APPIEBUF:
129 return "SET_APPIEBUF";
130 case IEEE80211_IOCTL_SET_ACPARAMS:
131 return "SET_ACPARAMS";
132 case IEEE80211_IOCTL_FILTERFRAME:
133 return "FILTERFRAME";
134 case IEEE80211_IOCTL_SET_RTPARAMS:
135 return "SET_RTPARAMS";
136 case IEEE80211_IOCTL_SET_MEDENYENTRY:
137 return "SET_MEDENYENTRY";
138 case IEEE80211_IOCTL_GET_MACADDR:
139 return "GET_MACADDR";
140 case IEEE80211_IOCTL_SET_HBRPARAMS:
141 return "SET_HBRPARAMS";
142 case IEEE80211_IOCTL_SET_RXTIMEOUT:
143 return "SET_RXTIMEOUT";
144 case IEEE80211_IOCTL_STA_STATS:
145 return "STA_STATS";
146 case IEEE80211_IOCTL_GETWPAIE:
147 return "GETWPAIE";
148 default:
149 return "??";
150 }
151 }
152
153
athr_get_param_name(int op)154 static const char * athr_get_param_name(int op)
155 {
156 switch (op) {
157 case IEEE80211_IOC_MCASTCIPHER:
158 return "MCASTCIPHER";
159 case IEEE80211_PARAM_MCASTKEYLEN:
160 return "MCASTKEYLEN";
161 case IEEE80211_PARAM_UCASTCIPHERS:
162 return "UCASTCIPHERS";
163 case IEEE80211_PARAM_KEYMGTALGS:
164 return "KEYMGTALGS";
165 case IEEE80211_PARAM_RSNCAPS:
166 return "RSNCAPS";
167 case IEEE80211_PARAM_WPA:
168 return "WPA";
169 case IEEE80211_PARAM_AUTHMODE:
170 return "AUTHMODE";
171 case IEEE80211_PARAM_PRIVACY:
172 return "PRIVACY";
173 case IEEE80211_PARAM_COUNTERMEASURES:
174 return "COUNTERMEASURES";
175 default:
176 return "??";
177 }
178 }
179
180
181 #ifdef CONFIG_FILS
182 static int
get80211param(struct atheros_driver_data * drv,int op,int * data)183 get80211param(struct atheros_driver_data *drv, int op, int *data)
184 {
185 struct iwreq iwr;
186
187 os_memset(&iwr, 0, sizeof(iwr));
188 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
189 iwr.u.mode = op;
190
191 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_GETPARAM, &iwr) < 0)
192 return -1;
193
194 *data = iwr.u.mode;
195 return 0;
196 }
197 #endif /* CONFIG_FILS */
198
199
200 static int
set80211priv(struct atheros_driver_data * drv,int op,void * data,int len)201 set80211priv(struct atheros_driver_data *drv, int op, void *data, int len)
202 {
203 struct iwreq iwr;
204 int do_inline = len < IFNAMSIZ;
205
206 /* Certain ioctls must use the non-inlined method */
207 if (op == IEEE80211_IOCTL_SET_APPIEBUF ||
208 op == IEEE80211_IOCTL_FILTERFRAME)
209 do_inline = 0;
210
211 os_memset(&iwr, 0, sizeof(iwr));
212 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
213 if (do_inline) {
214 /*
215 * Argument data fits inline; put it there.
216 */
217 os_memcpy(iwr.u.name, data, len);
218 } else {
219 /*
220 * Argument data too big for inline transfer; setup a
221 * parameter block instead; the kernel will transfer
222 * the data for the driver.
223 */
224 iwr.u.data.pointer = data;
225 iwr.u.data.length = len;
226 }
227
228 if (ioctl(drv->ioctl_sock, op, &iwr) < 0) {
229 wpa_printf(MSG_DEBUG, "atheros: %s: %s: ioctl op=0x%x "
230 "(%s) len=%d failed: %d (%s)",
231 __func__, drv->iface, op,
232 athr_get_ioctl_name(op),
233 len, errno, strerror(errno));
234 return -1;
235 }
236 return 0;
237 }
238
239 static int
set80211param(struct atheros_driver_data * drv,int op,int arg)240 set80211param(struct atheros_driver_data *drv, int op, int arg)
241 {
242 struct iwreq iwr;
243
244 os_memset(&iwr, 0, sizeof(iwr));
245 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
246 iwr.u.mode = op;
247 os_memcpy(iwr.u.name + sizeof(__u32), &arg, sizeof(arg));
248
249 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) {
250 wpa_printf(MSG_INFO,
251 "%s: %s: Failed to set parameter (op %d (%s) arg %d): ioctl[IEEE80211_IOCTL_SETPARAM]: %s",
252 __func__, drv->iface, op, athr_get_param_name(op),
253 arg, strerror(errno));
254 return -1;
255 }
256 return 0;
257 }
258
259 #ifndef CONFIG_NO_STDOUT_DEBUG
260 static const char *
ether_sprintf(const u8 * addr)261 ether_sprintf(const u8 *addr)
262 {
263 static char buf[sizeof(MACSTR)];
264
265 if (addr != NULL)
266 os_snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
267 else
268 os_snprintf(buf, sizeof(buf), MACSTR, 0, 0, 0, 0, 0, 0);
269 return buf;
270 }
271 #endif /* CONFIG_NO_STDOUT_DEBUG */
272
273 /*
274 * Configure WPA parameters.
275 */
276 static int
atheros_configure_wpa(struct atheros_driver_data * drv,struct wpa_bss_params * params)277 atheros_configure_wpa(struct atheros_driver_data *drv,
278 struct wpa_bss_params *params)
279 {
280 int v;
281
282 switch (params->wpa_group) {
283 case WPA_CIPHER_CCMP:
284 v = IEEE80211_CIPHER_AES_CCM;
285 break;
286 #ifdef ATH_GCM_SUPPORT
287 case WPA_CIPHER_CCMP_256:
288 v = IEEE80211_CIPHER_AES_CCM_256;
289 break;
290 case WPA_CIPHER_GCMP:
291 v = IEEE80211_CIPHER_AES_GCM;
292 break;
293 case WPA_CIPHER_GCMP_256:
294 v = IEEE80211_CIPHER_AES_GCM_256;
295 break;
296 #endif /* ATH_GCM_SUPPORT */
297 case WPA_CIPHER_TKIP:
298 v = IEEE80211_CIPHER_TKIP;
299 break;
300 case WPA_CIPHER_WEP104:
301 v = IEEE80211_CIPHER_WEP;
302 break;
303 case WPA_CIPHER_WEP40:
304 v = IEEE80211_CIPHER_WEP;
305 break;
306 case WPA_CIPHER_NONE:
307 v = IEEE80211_CIPHER_NONE;
308 break;
309 default:
310 wpa_printf(MSG_ERROR, "Unknown group key cipher %u",
311 params->wpa_group);
312 return -1;
313 }
314 wpa_printf(MSG_DEBUG, "%s: group key cipher=%d", __func__, v);
315 if (set80211param(drv, IEEE80211_PARAM_MCASTCIPHER, v)) {
316 wpa_printf(MSG_INFO, "Unable to set group key cipher to %u", v);
317 return -1;
318 }
319 if (v == IEEE80211_CIPHER_WEP) {
320 /* key length is done only for specific ciphers */
321 v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5);
322 if (set80211param(drv, IEEE80211_PARAM_MCASTKEYLEN, v)) {
323 wpa_printf(MSG_INFO,
324 "Unable to set group key length to %u", v);
325 return -1;
326 }
327 }
328
329 v = 0;
330 if (params->wpa_pairwise & WPA_CIPHER_CCMP)
331 v |= 1<<IEEE80211_CIPHER_AES_CCM;
332 #ifdef ATH_GCM_SUPPORT
333 if (params->wpa_pairwise & WPA_CIPHER_CCMP_256)
334 v |= 1<<IEEE80211_CIPHER_AES_CCM_256;
335 if (params->wpa_pairwise & WPA_CIPHER_GCMP)
336 v |= 1<<IEEE80211_CIPHER_AES_GCM;
337 if (params->wpa_pairwise & WPA_CIPHER_GCMP_256)
338 v |= 1<<IEEE80211_CIPHER_AES_GCM_256;
339 #endif /* ATH_GCM_SUPPORT */
340 if (params->wpa_pairwise & WPA_CIPHER_TKIP)
341 v |= 1<<IEEE80211_CIPHER_TKIP;
342 if (params->wpa_pairwise & WPA_CIPHER_NONE)
343 v |= 1<<IEEE80211_CIPHER_NONE;
344 wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v);
345 if (set80211param(drv, IEEE80211_PARAM_UCASTCIPHERS, v)) {
346 wpa_printf(MSG_INFO,
347 "Unable to set pairwise key ciphers to 0x%x", v);
348 return -1;
349 }
350
351 wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x",
352 __func__, params->wpa_key_mgmt);
353 if (set80211param(drv, IEEE80211_PARAM_KEYMGTALGS,
354 params->wpa_key_mgmt)) {
355 wpa_printf(MSG_INFO,
356 "Unable to set key management algorithms to 0x%x",
357 params->wpa_key_mgmt);
358 return -1;
359 }
360
361 v = 0;
362 if (params->rsn_preauth)
363 v |= BIT(0);
364 if (params->ieee80211w != NO_MGMT_FRAME_PROTECTION) {
365 v |= BIT(7);
366 if (params->ieee80211w == MGMT_FRAME_PROTECTION_REQUIRED)
367 v |= BIT(6);
368 }
369
370 wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x", __func__, v);
371 if (set80211param(drv, IEEE80211_PARAM_RSNCAPS, v)) {
372 wpa_printf(MSG_INFO, "Unable to set RSN capabilities to 0x%x",
373 v);
374 return -1;
375 }
376
377 wpa_printf(MSG_DEBUG, "%s: enable WPA=0x%x", __func__, params->wpa);
378 if (set80211param(drv, IEEE80211_PARAM_WPA, params->wpa)) {
379 wpa_printf(MSG_INFO, "Unable to set WPA to %u", params->wpa);
380 return -1;
381 }
382 return 0;
383 }
384
385 static int
atheros_set_ieee8021x(void * priv,struct wpa_bss_params * params)386 atheros_set_ieee8021x(void *priv, struct wpa_bss_params *params)
387 {
388 struct atheros_driver_data *drv = priv;
389
390 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled);
391
392 if (!params->enabled) {
393 /* XXX restore state */
394 if (set80211param(priv, IEEE80211_PARAM_AUTHMODE,
395 IEEE80211_AUTH_AUTO) < 0)
396 return -1;
397 /* IEEE80211_AUTH_AUTO ends up enabling Privacy; clear that */
398 return atheros_set_privacy(drv, 0);
399 }
400 if (!params->wpa && !params->ieee802_1x) {
401 wpa_printf(MSG_WARNING, "No 802.1X or WPA enabled!");
402 return -1;
403 }
404 if (params->wpa && atheros_configure_wpa(drv, params) != 0) {
405 wpa_printf(MSG_WARNING, "Error configuring WPA state!");
406 return -1;
407 }
408 if (set80211param(priv, IEEE80211_PARAM_AUTHMODE,
409 (params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
410 wpa_printf(MSG_WARNING, "Error enabling WPA/802.1X!");
411 return -1;
412 }
413
414 return 0;
415 }
416
417 static int
atheros_set_privacy(void * priv,int enabled)418 atheros_set_privacy(void *priv, int enabled)
419 {
420 struct atheros_driver_data *drv = priv;
421
422 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
423
424 return set80211param(drv, IEEE80211_PARAM_PRIVACY, enabled);
425 }
426
427 static int
atheros_set_sta_authorized(void * priv,const u8 * addr,int authorized)428 atheros_set_sta_authorized(void *priv, const u8 *addr, int authorized)
429 {
430 struct atheros_driver_data *drv = priv;
431 struct ieee80211req_mlme mlme;
432 int ret;
433
434 wpa_printf(MSG_DEBUG, "%s: addr=%s authorized=%d",
435 __func__, ether_sprintf(addr), authorized);
436
437 if (authorized)
438 mlme.im_op = IEEE80211_MLME_AUTHORIZE;
439 else
440 mlme.im_op = IEEE80211_MLME_UNAUTHORIZE;
441 mlme.im_reason = 0;
442 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
443 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
444 if (ret < 0) {
445 wpa_printf(MSG_DEBUG, "%s: Failed to %sauthorize STA " MACSTR,
446 __func__, authorized ? "" : "un", MAC2STR(addr));
447 }
448
449 return ret;
450 }
451
452 static int
atheros_sta_set_flags(void * priv,const u8 * addr,unsigned int total_flags,unsigned int flags_or,unsigned int flags_and)453 atheros_sta_set_flags(void *priv, const u8 *addr,
454 unsigned int total_flags, unsigned int flags_or,
455 unsigned int flags_and)
456 {
457 /* For now, only support setting Authorized flag */
458 if (flags_or & WPA_STA_AUTHORIZED)
459 return atheros_set_sta_authorized(priv, addr, 1);
460 if (!(flags_and & WPA_STA_AUTHORIZED))
461 return atheros_set_sta_authorized(priv, addr, 0);
462 return 0;
463 }
464
465 static int
atheros_del_key(void * priv,const u8 * addr,int key_idx)466 atheros_del_key(void *priv, const u8 *addr, int key_idx)
467 {
468 struct atheros_driver_data *drv = priv;
469 struct ieee80211req_del_key wk;
470 int ret;
471
472 wpa_printf(MSG_DEBUG, "%s: addr=%s key_idx=%d",
473 __func__, ether_sprintf(addr), key_idx);
474
475 os_memset(&wk, 0, sizeof(wk));
476 if (addr != NULL) {
477 os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
478 wk.idk_keyix = (u8) IEEE80211_KEYIX_NONE;
479 } else {
480 wk.idk_keyix = key_idx;
481 }
482
483 ret = set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk));
484 if (ret < 0) {
485 wpa_printf(MSG_DEBUG, "%s: Failed to delete key (addr %s"
486 " key_idx %d)", __func__, ether_sprintf(addr),
487 key_idx);
488 }
489
490 return ret;
491 }
492
493 static int
atheros_set_key(void * priv,struct wpa_driver_set_key_params * params)494 atheros_set_key(void *priv, struct wpa_driver_set_key_params *params)
495 {
496 struct atheros_driver_data *drv = priv;
497 struct ieee80211req_key wk;
498 u_int8_t cipher;
499 int ret;
500 enum wpa_alg alg = params->alg;
501 const u8 *addr = params->addr;
502 int key_idx = params->key_idx;
503 int set_tx = params->set_tx;
504 const u8 *key = params->key;
505 size_t key_len = params->key_len;
506
507 if (alg == WPA_ALG_NONE)
508 return atheros_del_key(drv, addr, key_idx);
509
510 wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%s key_idx=%d",
511 __func__, alg, ether_sprintf(addr), key_idx);
512
513 switch (alg) {
514 case WPA_ALG_WEP:
515 cipher = IEEE80211_CIPHER_WEP;
516 break;
517 case WPA_ALG_TKIP:
518 cipher = IEEE80211_CIPHER_TKIP;
519 break;
520 case WPA_ALG_CCMP:
521 cipher = IEEE80211_CIPHER_AES_CCM;
522 break;
523 #ifdef ATH_GCM_SUPPORT
524 case WPA_ALG_CCMP_256:
525 cipher = IEEE80211_CIPHER_AES_CCM_256;
526 break;
527 case WPA_ALG_GCMP:
528 cipher = IEEE80211_CIPHER_AES_GCM;
529 break;
530 case WPA_ALG_GCMP_256:
531 cipher = IEEE80211_CIPHER_AES_GCM_256;
532 break;
533 #endif /* ATH_GCM_SUPPORT */
534 case WPA_ALG_BIP_CMAC_128:
535 cipher = IEEE80211_CIPHER_AES_CMAC;
536 break;
537 #ifdef ATH_GCM_SUPPORT
538 case WPA_ALG_BIP_CMAC_256:
539 cipher = IEEE80211_CIPHER_AES_CMAC_256;
540 break;
541 case WPA_ALG_BIP_GMAC_128:
542 cipher = IEEE80211_CIPHER_AES_GMAC;
543 break;
544 case WPA_ALG_BIP_GMAC_256:
545 cipher = IEEE80211_CIPHER_AES_GMAC_256;
546 break;
547 #endif /* ATH_GCM_SUPPORT */
548 default:
549 wpa_printf(MSG_INFO, "%s: unknown/unsupported algorithm %d",
550 __func__, alg);
551 return -1;
552 }
553
554 if (key_len > sizeof(wk.ik_keydata)) {
555 wpa_printf(MSG_INFO, "%s: key length %lu too big", __func__,
556 (unsigned long) key_len);
557 return -3;
558 }
559
560 os_memset(&wk, 0, sizeof(wk));
561 wk.ik_type = cipher;
562 wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT;
563 if (addr == NULL || is_broadcast_ether_addr(addr)) {
564 os_memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
565 wk.ik_keyix = key_idx;
566 if (set_tx)
567 wk.ik_flags |= IEEE80211_KEY_DEFAULT;
568 } else {
569 os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
570 wk.ik_keyix = IEEE80211_KEYIX_NONE;
571 }
572 wk.ik_keylen = key_len;
573 os_memcpy(wk.ik_keydata, key, key_len);
574
575 ret = set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk));
576 if (ret < 0) {
577 wpa_printf(MSG_DEBUG, "%s: Failed to set key (addr %s"
578 " key_idx %d alg %d key_len %lu set_tx %d)",
579 __func__, ether_sprintf(wk.ik_macaddr), key_idx,
580 alg, (unsigned long) key_len, set_tx);
581 }
582
583 return ret;
584 }
585
586
587 static int
atheros_get_seqnum(const char * ifname,void * priv,const u8 * addr,int idx,u8 * seq)588 atheros_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
589 u8 *seq)
590 {
591 struct atheros_driver_data *drv = priv;
592 struct ieee80211req_key wk;
593
594 wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
595 __func__, ether_sprintf(addr), idx);
596
597 os_memset(&wk, 0, sizeof(wk));
598 if (addr == NULL)
599 os_memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
600 else
601 os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
602 wk.ik_keyix = idx;
603
604 if (set80211priv(drv, IEEE80211_IOCTL_GETKEY, &wk, sizeof(wk))) {
605 wpa_printf(MSG_DEBUG, "%s: Failed to get encryption data "
606 "(addr " MACSTR " key_idx %d)",
607 __func__, MAC2STR(wk.ik_macaddr), idx);
608 return -1;
609 }
610
611 #ifdef WORDS_BIGENDIAN
612 {
613 /*
614 * wk.ik_keytsc is in host byte order (big endian), need to
615 * swap it to match with the byte order used in WPA.
616 */
617 int i;
618 #ifndef WPA_KEY_RSC_LEN
619 #define WPA_KEY_RSC_LEN 8
620 #endif
621 u8 tmp[WPA_KEY_RSC_LEN];
622 os_memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
623 for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
624 seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
625 }
626 }
627 #else /* WORDS_BIGENDIAN */
628 os_memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
629 #endif /* WORDS_BIGENDIAN */
630 return 0;
631 }
632
633
634 static int
atheros_flush(void * priv)635 atheros_flush(void *priv)
636 {
637 u8 allsta[IEEE80211_ADDR_LEN];
638 os_memset(allsta, 0xff, IEEE80211_ADDR_LEN);
639 return atheros_sta_deauth(priv, NULL, allsta,
640 IEEE80211_REASON_AUTH_LEAVE);
641 }
642
643
644 static int
atheros_read_sta_driver_data(void * priv,struct hostap_sta_driver_data * data,const u8 * addr)645 atheros_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
646 const u8 *addr)
647 {
648 struct atheros_driver_data *drv = priv;
649 struct ieee80211req_sta_stats stats;
650
651 os_memset(data, 0, sizeof(*data));
652
653 /*
654 * Fetch statistics for station from the system.
655 */
656 os_memset(&stats, 0, sizeof(stats));
657 os_memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
658 if (set80211priv(drv, IEEE80211_IOCTL_STA_STATS,
659 &stats, sizeof(stats))) {
660 wpa_printf(MSG_DEBUG, "%s: Failed to fetch STA stats (addr "
661 MACSTR ")", __func__, MAC2STR(addr));
662 if (os_memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
663 os_memcpy(data, &drv->acct_data, sizeof(*data));
664 return 0;
665 }
666
667 wpa_printf(MSG_INFO,
668 "Failed to get station stats information element");
669 return -1;
670 }
671
672 data->rx_packets = stats.is_stats.ns_rx_data;
673 data->rx_bytes = stats.is_stats.ns_rx_bytes;
674 data->tx_packets = stats.is_stats.ns_tx_data;
675 data->tx_bytes = stats.is_stats.ns_tx_bytes;
676 return 0;
677 }
678
679
680 static int
atheros_sta_clear_stats(void * priv,const u8 * addr)681 atheros_sta_clear_stats(void *priv, const u8 *addr)
682 {
683 struct atheros_driver_data *drv = priv;
684 struct ieee80211req_mlme mlme;
685 int ret;
686
687 wpa_printf(MSG_DEBUG, "%s: addr=%s", __func__, ether_sprintf(addr));
688
689 mlme.im_op = IEEE80211_MLME_CLEAR_STATS;
690 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
691 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme,
692 sizeof(mlme));
693 if (ret < 0) {
694 wpa_printf(MSG_DEBUG, "%s: Failed to clear STA stats (addr "
695 MACSTR ")", __func__, MAC2STR(addr));
696 }
697
698 return ret;
699 }
700
701
702 static int
atheros_set_opt_ie(void * priv,const u8 * ie,size_t ie_len)703 atheros_set_opt_ie(void *priv, const u8 *ie, size_t ie_len)
704 {
705 struct atheros_driver_data *drv = priv;
706 u8 buf[512];
707 struct ieee80211req_getset_appiebuf *app_ie;
708
709 wpa_printf(MSG_DEBUG, "%s buflen = %lu", __func__,
710 (unsigned long) ie_len);
711 wpa_hexdump(MSG_DEBUG, "atheros: set_generic_elem", ie, ie_len);
712
713 wpabuf_free(drv->wpa_ie);
714 if (ie)
715 drv->wpa_ie = wpabuf_alloc_copy(ie, ie_len);
716 else
717 drv->wpa_ie = NULL;
718
719 app_ie = (struct ieee80211req_getset_appiebuf *) buf;
720 if (ie)
721 os_memcpy(&(app_ie->app_buf[0]), ie, ie_len);
722 app_ie->app_buflen = ie_len;
723
724 app_ie->app_frmtype = IEEE80211_APPIE_FRAME_BEACON;
725
726 /* append WPS IE for Beacon */
727 if (drv->wps_beacon_ie != NULL) {
728 os_memcpy(&(app_ie->app_buf[ie_len]),
729 wpabuf_head(drv->wps_beacon_ie),
730 wpabuf_len(drv->wps_beacon_ie));
731 app_ie->app_buflen = ie_len + wpabuf_len(drv->wps_beacon_ie);
732 }
733 wpa_hexdump(MSG_DEBUG, "atheros: SET_APPIEBUF(Beacon)",
734 app_ie->app_buf, app_ie->app_buflen);
735 set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, app_ie,
736 sizeof(struct ieee80211req_getset_appiebuf) +
737 app_ie->app_buflen);
738
739 /* append WPS IE for Probe Response */
740 app_ie->app_frmtype = IEEE80211_APPIE_FRAME_PROBE_RESP;
741 if (drv->wps_probe_resp_ie != NULL) {
742 os_memcpy(&(app_ie->app_buf[ie_len]),
743 wpabuf_head(drv->wps_probe_resp_ie),
744 wpabuf_len(drv->wps_probe_resp_ie));
745 app_ie->app_buflen = ie_len +
746 wpabuf_len(drv->wps_probe_resp_ie);
747 } else
748 app_ie->app_buflen = ie_len;
749 wpa_hexdump(MSG_DEBUG, "atheros: SET_APPIEBUF(ProbeResp)",
750 app_ie->app_buf, app_ie->app_buflen);
751 set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, app_ie,
752 sizeof(struct ieee80211req_getset_appiebuf) +
753 app_ie->app_buflen);
754 return 0;
755 }
756
757 static int
atheros_sta_deauth(void * priv,const u8 * own_addr,const u8 * addr,u16 reason_code)758 atheros_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
759 u16 reason_code)
760 {
761 struct atheros_driver_data *drv = priv;
762 struct ieee80211req_mlme mlme;
763 int ret;
764
765 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
766 __func__, ether_sprintf(addr), reason_code);
767
768 mlme.im_op = IEEE80211_MLME_DEAUTH;
769 mlme.im_reason = reason_code;
770 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
771 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
772 if (ret < 0) {
773 wpa_printf(MSG_DEBUG, "%s: Failed to deauth STA (addr " MACSTR
774 " reason %d)",
775 __func__, MAC2STR(addr), reason_code);
776 }
777
778 return ret;
779 }
780
781 static int
atheros_sta_disassoc(void * priv,const u8 * own_addr,const u8 * addr,u16 reason_code)782 atheros_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
783 u16 reason_code)
784 {
785 struct atheros_driver_data *drv = priv;
786 struct ieee80211req_mlme mlme;
787 int ret;
788
789 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
790 __func__, ether_sprintf(addr), reason_code);
791
792 mlme.im_op = IEEE80211_MLME_DISASSOC;
793 mlme.im_reason = reason_code;
794 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
795 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
796 if (ret < 0) {
797 wpa_printf(MSG_DEBUG, "%s: Failed to disassoc STA (addr "
798 MACSTR " reason %d)",
799 __func__, MAC2STR(addr), reason_code);
800 }
801
802 return ret;
803 }
804
atheros_set_qos_map(void * ctx,const u8 * qos_map_set,u8 qos_map_set_len)805 static int atheros_set_qos_map(void *ctx, const u8 *qos_map_set,
806 u8 qos_map_set_len)
807 {
808 #ifdef CONFIG_ATHEROS_QOS_MAP
809 struct atheros_driver_data *drv = ctx;
810 struct ieee80211req_athdbg req;
811 struct ieee80211_qos_map *qos_map = &req.data.qos_map;
812 struct iwreq iwr;
813 int i, up_start;
814
815 if (qos_map_set_len < 16 || qos_map_set_len > 58 ||
816 qos_map_set_len & 1) {
817 wpa_printf(MSG_ERROR, "Invalid QoS Map");
818 return -1;
819 } else {
820 os_memset(&req, 0, sizeof(struct ieee80211req_athdbg));
821 req.cmd = IEEE80211_DBGREQ_SETQOSMAPCONF;
822 os_memset(&iwr, 0, sizeof(iwr));
823 os_strlcpy(iwr.ifr_name, drv->iface, sizeof(iwr.ifr_name));
824 iwr.u.data.pointer = (void *) &req;
825 iwr.u.data.length = sizeof(struct ieee80211req_athdbg);
826 }
827
828 qos_map->valid = 1;
829 qos_map->num_dscp_except = (qos_map_set_len - 16) / 2;
830 if (qos_map->num_dscp_except) {
831 for (i = 0; i < qos_map->num_dscp_except; i++) {
832 qos_map->dscp_exception[i].dscp = qos_map_set[i * 2];
833 qos_map->dscp_exception[i].up = qos_map_set[i * 2 + 1];
834 }
835 }
836
837 up_start = qos_map_set_len - 16;
838 for (i = 0; i < IEEE80211_MAX_QOS_UP_RANGE; i++) {
839 qos_map->up[i].low = qos_map_set[up_start + (i * 2)];
840 qos_map->up[i].high = qos_map_set[up_start + (i * 2) + 1];
841 }
842
843 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_DBGREQ, &iwr) < 0) {
844 wpa_printf(MSG_ERROR,
845 "%s: %s: Failed to set QoS Map: ioctl[IEEE80211_IOCTL_DBGREQ]: %s",
846 __func__, drv->iface, strerror(errno));
847 return -1;
848 }
849 #endif /* CONFIG_ATHEROS_QOS_MAP */
850
851 return 0;
852 }
853
854
atheros_raw_receive(void * ctx,const u8 * src_addr,const u8 * buf,size_t len)855 static void atheros_raw_receive(void *ctx, const u8 *src_addr, const u8 *buf,
856 size_t len)
857 {
858 struct atheros_driver_data *drv = ctx;
859 const struct ieee80211_mgmt *mgmt;
860 union wpa_event_data event;
861 u16 fc, stype;
862 int ielen;
863 const u8 *iebuf;
864
865 if (len < IEEE80211_HDRLEN)
866 return;
867
868 mgmt = (const struct ieee80211_mgmt *) buf;
869
870 fc = le_to_host16(mgmt->frame_control);
871
872 if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT)
873 return;
874
875 stype = WLAN_FC_GET_STYPE(fc);
876
877 wpa_printf(MSG_DEBUG, "%s: subtype 0x%x len %d", __func__, stype,
878 (int) len);
879
880 if (stype == WLAN_FC_STYPE_PROBE_REQ) {
881 if (len < IEEE80211_HDRLEN)
882 return;
883
884 os_memset(&event, 0, sizeof(event));
885 event.rx_probe_req.sa = mgmt->sa;
886 event.rx_probe_req.da = mgmt->da;
887 event.rx_probe_req.bssid = mgmt->bssid;
888 event.rx_probe_req.ie = buf + IEEE80211_HDRLEN;
889 event.rx_probe_req.ie_len = len - IEEE80211_HDRLEN;
890 wpa_supplicant_event(drv->hapd, EVENT_RX_PROBE_REQ, &event);
891 return;
892 }
893
894 if (stype == WLAN_FC_STYPE_ACTION &&
895 (os_memcmp(drv->own_addr, mgmt->bssid, ETH_ALEN) == 0 ||
896 is_broadcast_ether_addr(mgmt->bssid))) {
897 os_memset(&event, 0, sizeof(event));
898 event.rx_mgmt.frame = buf;
899 event.rx_mgmt.frame_len = len;
900 wpa_supplicant_event(drv->hapd, EVENT_RX_MGMT, &event);
901 return;
902 }
903
904 if (os_memcmp(drv->own_addr, mgmt->bssid, ETH_ALEN) != 0) {
905 wpa_printf(MSG_DEBUG, "%s: BSSID does not match - ignore",
906 __func__);
907 return;
908 }
909
910 switch (stype) {
911 case WLAN_FC_STYPE_ASSOC_REQ:
912 if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.assoc_req))
913 break;
914 ielen = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.assoc_req));
915 iebuf = mgmt->u.assoc_req.variable;
916 drv_event_assoc(drv->hapd, mgmt->sa, iebuf, ielen, 0);
917 break;
918 case WLAN_FC_STYPE_REASSOC_REQ:
919 if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.reassoc_req))
920 break;
921 ielen = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.reassoc_req));
922 iebuf = mgmt->u.reassoc_req.variable;
923 drv_event_assoc(drv->hapd, mgmt->sa, iebuf, ielen, 1);
924 break;
925 case WLAN_FC_STYPE_AUTH:
926 if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.auth))
927 break;
928 os_memset(&event, 0, sizeof(event));
929 if (le_to_host16(mgmt->u.auth.auth_alg) == WLAN_AUTH_SAE) {
930 event.rx_mgmt.frame = buf;
931 event.rx_mgmt.frame_len = len;
932 wpa_supplicant_event(drv->hapd, EVENT_RX_MGMT, &event);
933 break;
934 }
935 os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN);
936 os_memcpy(event.auth.bssid, mgmt->bssid, ETH_ALEN);
937 event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg);
938 event.auth.status_code =
939 le_to_host16(mgmt->u.auth.status_code);
940 event.auth.auth_transaction =
941 le_to_host16(mgmt->u.auth.auth_transaction);
942 event.auth.ies = mgmt->u.auth.variable;
943 event.auth.ies_len = len - IEEE80211_HDRLEN -
944 sizeof(mgmt->u.auth);
945 wpa_supplicant_event(drv->hapd, EVENT_AUTH, &event);
946 break;
947 default:
948 break;
949 }
950 }
951
952
atheros_receive_pkt(struct atheros_driver_data * drv)953 static int atheros_receive_pkt(struct atheros_driver_data *drv)
954 {
955 int ret = 0;
956 struct ieee80211req_set_filter filt;
957
958 wpa_printf(MSG_DEBUG, "%s Enter", __func__);
959 filt.app_filterype = 0;
960 #ifdef CONFIG_WPS
961 filt.app_filterype |= IEEE80211_FILTER_TYPE_PROBE_REQ;
962 #endif /* CONFIG_WPS */
963 filt.app_filterype |= (IEEE80211_FILTER_TYPE_ASSOC_REQ |
964 IEEE80211_FILTER_TYPE_AUTH |
965 IEEE80211_FILTER_TYPE_ACTION);
966 #ifdef CONFIG_WNM
967 filt.app_filterype |= IEEE80211_FILTER_TYPE_ACTION;
968 #endif /* CONFIG_WNM */
969 #ifdef CONFIG_HS20
970 filt.app_filterype |= IEEE80211_FILTER_TYPE_ACTION;
971 #endif /* CONFIG_HS20 */
972 if (filt.app_filterype) {
973 ret = set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt,
974 sizeof(struct ieee80211req_set_filter));
975 if (ret)
976 return ret;
977 }
978
979 #if defined(CONFIG_WPS) || defined(CONFIG_IEEE80211R) || defined(CONFIG_FILS)
980 drv->sock_raw = l2_packet_init(drv->iface, NULL, ETH_P_80211_RAW,
981 atheros_raw_receive, drv, 1);
982 if (drv->sock_raw == NULL)
983 return -1;
984 #endif /* CONFIG_WPS || CONFIG_IEEE80211R || CONFIG_FILS */
985 return ret;
986 }
987
atheros_reset_appfilter(struct atheros_driver_data * drv)988 static int atheros_reset_appfilter(struct atheros_driver_data *drv)
989 {
990 struct ieee80211req_set_filter filt;
991 filt.app_filterype = 0;
992 return set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt,
993 sizeof(struct ieee80211req_set_filter));
994 }
995
996 #ifdef CONFIG_WPS
997 static int
atheros_set_wps_ie(void * priv,const u8 * ie,size_t len,u32 frametype)998 atheros_set_wps_ie(void *priv, const u8 *ie, size_t len, u32 frametype)
999 {
1000 struct atheros_driver_data *drv = priv;
1001 u8 buf[512];
1002 struct ieee80211req_getset_appiebuf *beac_ie;
1003
1004 wpa_printf(MSG_DEBUG, "%s buflen = %lu frametype=%u", __func__,
1005 (unsigned long) len, frametype);
1006 wpa_hexdump(MSG_DEBUG, "atheros: IE", ie, len);
1007
1008 beac_ie = (struct ieee80211req_getset_appiebuf *) buf;
1009 beac_ie->app_frmtype = frametype;
1010 beac_ie->app_buflen = len;
1011 if (ie)
1012 os_memcpy(&(beac_ie->app_buf[0]), ie, len);
1013
1014 /* append the WPA/RSN IE if it is set already */
1015 if (((frametype == IEEE80211_APPIE_FRAME_BEACON) ||
1016 (frametype == IEEE80211_APPIE_FRAME_PROBE_RESP)) &&
1017 (drv->wpa_ie != NULL)) {
1018 wpa_hexdump_buf(MSG_DEBUG, "atheros: Append WPA/RSN IE",
1019 drv->wpa_ie);
1020 os_memcpy(&(beac_ie->app_buf[len]), wpabuf_head(drv->wpa_ie),
1021 wpabuf_len(drv->wpa_ie));
1022 beac_ie->app_buflen += wpabuf_len(drv->wpa_ie);
1023 }
1024
1025 wpa_hexdump(MSG_DEBUG, "atheros: SET_APPIEBUF",
1026 beac_ie->app_buf, beac_ie->app_buflen);
1027 return set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, beac_ie,
1028 sizeof(struct ieee80211req_getset_appiebuf) +
1029 beac_ie->app_buflen);
1030 }
1031
1032 static int
atheros_set_ap_wps_ie(void * priv,const struct wpabuf * beacon,const struct wpabuf * proberesp,const struct wpabuf * assocresp)1033 atheros_set_ap_wps_ie(void *priv, const struct wpabuf *beacon,
1034 const struct wpabuf *proberesp,
1035 const struct wpabuf *assocresp)
1036 {
1037 struct atheros_driver_data *drv = priv;
1038
1039 wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - beacon", beacon);
1040 wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - proberesp",
1041 proberesp);
1042 wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - assocresp",
1043 assocresp);
1044 wpabuf_free(drv->wps_beacon_ie);
1045 drv->wps_beacon_ie = beacon ? wpabuf_dup(beacon) : NULL;
1046 wpabuf_free(drv->wps_probe_resp_ie);
1047 drv->wps_probe_resp_ie = proberesp ? wpabuf_dup(proberesp) : NULL;
1048
1049 atheros_set_wps_ie(priv, assocresp ? wpabuf_head(assocresp) : NULL,
1050 assocresp ? wpabuf_len(assocresp) : 0,
1051 IEEE80211_APPIE_FRAME_ASSOC_RESP);
1052 if (atheros_set_wps_ie(priv, beacon ? wpabuf_head(beacon) : NULL,
1053 beacon ? wpabuf_len(beacon) : 0,
1054 IEEE80211_APPIE_FRAME_BEACON))
1055 return -1;
1056 return atheros_set_wps_ie(priv,
1057 proberesp ? wpabuf_head(proberesp) : NULL,
1058 proberesp ? wpabuf_len(proberesp): 0,
1059 IEEE80211_APPIE_FRAME_PROBE_RESP);
1060 }
1061 #else /* CONFIG_WPS */
1062 #define atheros_set_ap_wps_ie NULL
1063 #endif /* CONFIG_WPS */
1064
1065 static int
atheros_sta_auth(void * priv,struct wpa_driver_sta_auth_params * params)1066 atheros_sta_auth(void *priv, struct wpa_driver_sta_auth_params *params)
1067 {
1068 struct atheros_driver_data *drv = priv;
1069 struct ieee80211req_mlme mlme;
1070 int ret;
1071
1072 wpa_printf(MSG_DEBUG, "%s: addr=%s status_code=%d",
1073 __func__, ether_sprintf(params->addr), params->status);
1074
1075 #ifdef CONFIG_FILS
1076 /* Copy FILS AAD parameters if the driver supports FILS */
1077 if (params->fils_auth && drv->fils_en) {
1078 wpa_printf(MSG_DEBUG, "%s: im_op IEEE80211_MLME_AUTH_FILS",
1079 __func__);
1080 os_memcpy(mlme.fils_aad.ANonce, params->fils_anonce,
1081 IEEE80211_FILS_NONCE_LEN);
1082 os_memcpy(mlme.fils_aad.SNonce, params->fils_snonce,
1083 IEEE80211_FILS_NONCE_LEN);
1084 os_memcpy(mlme.fils_aad.kek, params->fils_kek,
1085 IEEE80211_MAX_WPA_KEK_LEN);
1086 mlme.fils_aad.kek_len = params->fils_kek_len;
1087 mlme.im_op = IEEE80211_MLME_AUTH_FILS;
1088 wpa_hexdump(MSG_DEBUG, "FILS: ANonce",
1089 mlme.fils_aad.ANonce, FILS_NONCE_LEN);
1090 wpa_hexdump(MSG_DEBUG, "FILS: SNonce",
1091 mlme.fils_aad.SNonce, FILS_NONCE_LEN);
1092 wpa_hexdump_key(MSG_DEBUG, "FILS: KEK",
1093 mlme.fils_aad.kek, mlme.fils_aad.kek_len);
1094 } else {
1095 mlme.im_op = IEEE80211_MLME_AUTH;
1096 }
1097 #else /* CONFIG_FILS */
1098 mlme.im_op = IEEE80211_MLME_AUTH;
1099 #endif /* CONFIG_FILS */
1100
1101 mlme.im_reason = params->status;
1102 mlme.im_seq = params->seq;
1103 os_memcpy(mlme.im_macaddr, params->addr, IEEE80211_ADDR_LEN);
1104 mlme.im_optie_len = params->len;
1105 if (params->len) {
1106 if (params->len < IEEE80211_MAX_OPT_IE) {
1107 os_memcpy(mlme.im_optie, params->ie, params->len);
1108 } else {
1109 wpa_printf(MSG_DEBUG, "%s: Not enough space to copy "
1110 "opt_ie STA (addr " MACSTR " reason %d, "
1111 "ie_len %d)",
1112 __func__, MAC2STR(params->addr),
1113 params->status, (int) params->len);
1114 return -1;
1115 }
1116 }
1117 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
1118 if (ret < 0) {
1119 wpa_printf(MSG_DEBUG, "%s: Failed to auth STA (addr " MACSTR
1120 " reason %d)",
1121 __func__, MAC2STR(params->addr), params->status);
1122 }
1123 return ret;
1124 }
1125
1126 static int
atheros_sta_assoc(void * priv,const u8 * own_addr,const u8 * addr,int reassoc,u16 status_code,const u8 * ie,size_t len)1127 atheros_sta_assoc(void *priv, const u8 *own_addr, const u8 *addr,
1128 int reassoc, u16 status_code, const u8 *ie, size_t len)
1129 {
1130 struct atheros_driver_data *drv = priv;
1131 struct ieee80211req_mlme mlme;
1132 int ret;
1133
1134 wpa_printf(MSG_DEBUG, "%s: addr=%s status_code=%d reassoc %d",
1135 __func__, ether_sprintf(addr), status_code, reassoc);
1136
1137 if (reassoc)
1138 mlme.im_op = IEEE80211_MLME_REASSOC;
1139 else
1140 mlme.im_op = IEEE80211_MLME_ASSOC;
1141 mlme.im_reason = status_code;
1142 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
1143 mlme.im_optie_len = len;
1144 if (len) {
1145 if (len < IEEE80211_MAX_OPT_IE) {
1146 os_memcpy(mlme.im_optie, ie, len);
1147 } else {
1148 wpa_printf(MSG_DEBUG, "%s: Not enough space to copy "
1149 "opt_ie STA (addr " MACSTR " reason %d, "
1150 "ie_len %d)",
1151 __func__, MAC2STR(addr), status_code,
1152 (int) len);
1153 return -1;
1154 }
1155 }
1156 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
1157 if (ret < 0) {
1158 wpa_printf(MSG_DEBUG, "%s: Failed to assoc STA (addr " MACSTR
1159 " reason %d)",
1160 __func__, MAC2STR(addr), status_code);
1161 }
1162 return ret;
1163 }
1164
1165
1166 static void
atheros_new_sta(struct atheros_driver_data * drv,u8 addr[IEEE80211_ADDR_LEN])1167 atheros_new_sta(struct atheros_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN])
1168 {
1169 struct hostapd_data *hapd = drv->hapd;
1170 struct ieee80211req_wpaie ie;
1171 int ielen = 0;
1172 u8 *iebuf = NULL;
1173
1174 /*
1175 * Fetch negotiated WPA/RSN parameters from the system.
1176 */
1177 os_memset(&ie, 0, sizeof(ie));
1178 os_memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
1179 if (set80211priv(drv, IEEE80211_IOCTL_GETWPAIE, &ie, sizeof(ie))) {
1180 /*
1181 * See ATH_WPS_IE comment in the beginning of the file for a
1182 * possible cause for the failure..
1183 */
1184 wpa_printf(MSG_DEBUG, "%s: Failed to get WPA/RSN IE: %s",
1185 __func__, strerror(errno));
1186 goto no_ie;
1187 }
1188 wpa_hexdump(MSG_MSGDUMP, "atheros req WPA IE",
1189 ie.wpa_ie, IEEE80211_MAX_OPT_IE);
1190 wpa_hexdump(MSG_MSGDUMP, "atheros req RSN IE",
1191 ie.rsn_ie, IEEE80211_MAX_OPT_IE);
1192 #ifdef ATH_WPS_IE
1193 wpa_hexdump(MSG_MSGDUMP, "atheros req WPS IE",
1194 ie.wps_ie, IEEE80211_MAX_OPT_IE);
1195 #endif /* ATH_WPS_IE */
1196 iebuf = ie.wpa_ie;
1197 /* atheros seems to return some random data if WPA/RSN IE is not set.
1198 * Assume the IE was not included if the IE type is unknown. */
1199 if (iebuf[0] != WLAN_EID_VENDOR_SPECIFIC)
1200 iebuf[1] = 0;
1201 if (iebuf[1] == 0 && ie.rsn_ie[1] > 0) {
1202 /* atheros-ng svn #1453 added rsn_ie. Use it, if wpa_ie was not
1203 * set. This is needed for WPA2. */
1204 iebuf = ie.rsn_ie;
1205 if (iebuf[0] != WLAN_EID_RSN)
1206 iebuf[1] = 0;
1207 }
1208
1209 ielen = iebuf[1];
1210
1211 #ifdef ATH_WPS_IE
1212 /* if WPS IE is present, preference is given to WPS */
1213 if (ie.wps_ie[0] == WLAN_EID_VENDOR_SPECIFIC && ie.wps_ie[1] > 0) {
1214 iebuf = ie.wps_ie;
1215 ielen = ie.wps_ie[1];
1216 }
1217 #endif /* ATH_WPS_IE */
1218
1219 if (ielen == 0)
1220 iebuf = NULL;
1221 else
1222 ielen += 2;
1223
1224 no_ie:
1225 drv_event_assoc(hapd, addr, iebuf, ielen, 0);
1226
1227 if (os_memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
1228 /* Cached accounting data is not valid anymore. */
1229 os_memset(drv->acct_mac, 0, ETH_ALEN);
1230 os_memset(&drv->acct_data, 0, sizeof(drv->acct_data));
1231 }
1232 }
1233
1234 static void
atheros_wireless_event_wireless_custom(struct atheros_driver_data * drv,char * custom,char * end)1235 atheros_wireless_event_wireless_custom(struct atheros_driver_data *drv,
1236 char *custom, char *end)
1237 {
1238 #define MGMT_FRAM_TAG_SIZE 30 /* hardcoded in driver */
1239 wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom);
1240
1241 if (os_strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
1242 char *pos;
1243 u8 addr[ETH_ALEN];
1244 pos = os_strstr(custom, "addr=");
1245 if (pos == NULL) {
1246 wpa_printf(MSG_DEBUG,
1247 "MLME-MICHAELMICFAILURE.indication "
1248 "without sender address ignored");
1249 return;
1250 }
1251 pos += 5;
1252 if (hwaddr_aton(pos, addr) == 0) {
1253 union wpa_event_data data;
1254 os_memset(&data, 0, sizeof(data));
1255 data.michael_mic_failure.unicast = 1;
1256 data.michael_mic_failure.src = addr;
1257 wpa_supplicant_event(drv->hapd,
1258 EVENT_MICHAEL_MIC_FAILURE, &data);
1259 } else {
1260 wpa_printf(MSG_DEBUG,
1261 "MLME-MICHAELMICFAILURE.indication "
1262 "with invalid MAC address");
1263 }
1264 } else if (strncmp(custom, "STA-TRAFFIC-STAT", 16) == 0) {
1265 char *key, *value;
1266 u32 val;
1267 key = custom;
1268 while ((key = os_strchr(key, '\n')) != NULL) {
1269 key++;
1270 value = os_strchr(key, '=');
1271 if (value == NULL)
1272 continue;
1273 *value++ = '\0';
1274 val = strtoul(value, NULL, 10);
1275 if (os_strcmp(key, "mac") == 0)
1276 hwaddr_aton(value, drv->acct_mac);
1277 else if (os_strcmp(key, "rx_packets") == 0)
1278 drv->acct_data.rx_packets = val;
1279 else if (os_strcmp(key, "tx_packets") == 0)
1280 drv->acct_data.tx_packets = val;
1281 else if (os_strcmp(key, "rx_bytes") == 0)
1282 drv->acct_data.rx_bytes = val;
1283 else if (os_strcmp(key, "tx_bytes") == 0)
1284 drv->acct_data.tx_bytes = val;
1285 key = value;
1286 }
1287 #ifdef CONFIG_WPS
1288 } else if (os_strncmp(custom, "PUSH-BUTTON.indication", 22) == 0) {
1289 /* Some atheros kernels send push button as a wireless event */
1290 /* PROBLEM! this event is received for ALL BSSs ...
1291 * so all are enabled for WPS... ugh.
1292 */
1293 wpa_supplicant_event(drv->hapd, EVENT_WPS_BUTTON_PUSHED, NULL);
1294 } else if (os_strncmp(custom, "Manage.prob_req ", 16) == 0) {
1295 /*
1296 * Atheros driver uses a hack to pass Probe Request frames as a
1297 * binary data in the custom wireless event. The old way (using
1298 * packet sniffing) didn't work when bridging.
1299 * Format: "Manage.prob_req <frame len>" | zero padding | frame
1300 */
1301 int len = atoi(custom + 16);
1302 if (len < 0 || MGMT_FRAM_TAG_SIZE + len > end - custom) {
1303 wpa_printf(MSG_DEBUG, "Invalid Manage.prob_req event "
1304 "length %d", len);
1305 return;
1306 }
1307 atheros_raw_receive(drv, NULL,
1308 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len);
1309 #endif /* CONFIG_WPS */
1310 } else if (os_strncmp(custom, "Manage.assoc_req ", 17) == 0) {
1311 /* Format: "Manage.assoc_req <frame len>" | zero padding |
1312 * frame */
1313 int len = atoi(custom + 17);
1314 if (len < 0 || MGMT_FRAM_TAG_SIZE + len > end - custom) {
1315 wpa_printf(MSG_DEBUG,
1316 "Invalid Manage.assoc_req event length %d",
1317 len);
1318 return;
1319 }
1320 atheros_raw_receive(drv, NULL,
1321 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len);
1322 } else if (os_strncmp(custom, "Manage.auth ", 12) == 0) {
1323 /* Format: "Manage.auth <frame len>" | zero padding | frame */
1324 int len = atoi(custom + 12);
1325 if (len < 0 ||
1326 MGMT_FRAM_TAG_SIZE + len > end - custom) {
1327 wpa_printf(MSG_DEBUG,
1328 "Invalid Manage.auth event length %d", len);
1329 return;
1330 }
1331 atheros_raw_receive(drv, NULL,
1332 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len);
1333 } else if (os_strncmp(custom, "Manage.action ", 14) == 0) {
1334 /* Format: "Manage.assoc_req <frame len>" | zero padding | frame
1335 */
1336 int len = atoi(custom + 14);
1337 if (len < 0 || MGMT_FRAM_TAG_SIZE + len > end - custom) {
1338 wpa_printf(MSG_DEBUG,
1339 "Invalid Manage.action event length %d",
1340 len);
1341 return;
1342 }
1343 atheros_raw_receive(drv, NULL,
1344 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len);
1345 }
1346 }
1347
1348
send_action_cb_event(struct atheros_driver_data * drv,char * data,size_t data_len)1349 static void send_action_cb_event(struct atheros_driver_data *drv,
1350 char *data, size_t data_len)
1351 {
1352 union wpa_event_data event;
1353 struct ieee80211_send_action_cb *sa;
1354 const struct ieee80211_hdr *hdr;
1355 u16 fc;
1356
1357 if (data_len < sizeof(*sa) + 24) {
1358 wpa_printf(MSG_DEBUG,
1359 "athr: Too short event message (data_len=%d sizeof(*sa)=%d)",
1360 (int) data_len, (int) sizeof(*sa));
1361 wpa_hexdump(MSG_DEBUG, "athr: Short event message",
1362 data, data_len);
1363 return;
1364 }
1365
1366 sa = (struct ieee80211_send_action_cb *) data;
1367
1368 hdr = (const struct ieee80211_hdr *) (sa + 1);
1369 fc = le_to_host16(hdr->frame_control);
1370
1371 os_memset(&event, 0, sizeof(event));
1372 event.tx_status.type = WLAN_FC_GET_TYPE(fc);
1373 event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
1374 event.tx_status.dst = sa->dst_addr;
1375 event.tx_status.data = (const u8 *) hdr;
1376 event.tx_status.data_len = data_len - sizeof(*sa);
1377 event.tx_status.ack = sa->ack;
1378 wpa_supplicant_event(drv->hapd, EVENT_TX_STATUS, &event);
1379 }
1380
1381
1382 /*
1383 * Handle size of data problem. WEXT only allows data of 256 bytes for custom
1384 * events, and p2p data can be much bigger. So the athr driver sends a small
1385 * event telling me to collect the big data with an ioctl.
1386 * On the first event, send all pending events to supplicant.
1387 */
fetch_pending_big_events(struct atheros_driver_data * drv)1388 static void fetch_pending_big_events(struct atheros_driver_data *drv)
1389 {
1390 union wpa_event_data event;
1391 const struct ieee80211_mgmt *mgmt;
1392 u8 tbuf[IW_PRIV_SIZE_MASK]; /* max size is 2047 bytes */
1393 u16 fc, stype;
1394 struct iwreq iwr;
1395 size_t data_len;
1396 u32 freq, frame_type;
1397
1398 while (1) {
1399 os_memset(&iwr, 0, sizeof(iwr));
1400 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1401
1402 iwr.u.data.pointer = (void *) tbuf;
1403 iwr.u.data.length = sizeof(tbuf);
1404 iwr.u.data.flags = IEEE80211_IOC_P2P_FETCH_FRAME;
1405
1406 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_P2P_BIG_PARAM, &iwr)
1407 < 0) {
1408 if (errno == ENOSPC) {
1409 wpa_printf(MSG_DEBUG, "%s:%d exit",
1410 __func__, __LINE__);
1411 return;
1412 }
1413 wpa_printf(MSG_DEBUG, "athr: %s: P2P_BIG_PARAM["
1414 "P2P_FETCH_FRAME] failed: %s",
1415 __func__, strerror(errno));
1416 return;
1417 }
1418 data_len = iwr.u.data.length;
1419 wpa_hexdump(MSG_DEBUG, "athr: P2P_FETCH_FRAME data",
1420 (u8 *) tbuf, data_len);
1421 if (data_len < sizeof(freq) + sizeof(frame_type) + 24) {
1422 wpa_printf(MSG_DEBUG, "athr: frame too short");
1423 continue;
1424 }
1425 os_memcpy(&freq, tbuf, sizeof(freq));
1426 os_memcpy(&frame_type, &tbuf[sizeof(freq)],
1427 sizeof(frame_type));
1428 mgmt = (void *) &tbuf[sizeof(freq) + sizeof(frame_type)];
1429 data_len -= sizeof(freq) + sizeof(frame_type);
1430
1431 if (frame_type == IEEE80211_EV_RX_MGMT) {
1432 fc = le_to_host16(mgmt->frame_control);
1433 stype = WLAN_FC_GET_STYPE(fc);
1434
1435 wpa_printf(MSG_DEBUG, "athr: EV_RX_MGMT stype=%u "
1436 "freq=%u len=%u", stype, freq, (int) data_len);
1437
1438 if (stype == WLAN_FC_STYPE_ACTION) {
1439 os_memset(&event, 0, sizeof(event));
1440 event.rx_mgmt.frame = (const u8 *) mgmt;
1441 event.rx_mgmt.frame_len = data_len;
1442 wpa_supplicant_event(drv->hapd, EVENT_RX_MGMT,
1443 &event);
1444 continue;
1445 }
1446 } else if (frame_type == IEEE80211_EV_P2P_SEND_ACTION_CB) {
1447 wpa_printf(MSG_DEBUG,
1448 "%s: ACTION_CB frame_type=%u len=%zu",
1449 __func__, frame_type, data_len);
1450 send_action_cb_event(drv, (void *) mgmt, data_len);
1451 } else {
1452 wpa_printf(MSG_DEBUG, "athr: %s unknown type %d",
1453 __func__, frame_type);
1454 continue;
1455 }
1456 }
1457 }
1458
1459 static void
atheros_wireless_event_atheros_custom(struct atheros_driver_data * drv,int opcode,char * buf,int len)1460 atheros_wireless_event_atheros_custom(struct atheros_driver_data *drv,
1461 int opcode, char *buf, int len)
1462 {
1463 switch (opcode) {
1464 case IEEE80211_EV_P2P_SEND_ACTION_CB:
1465 wpa_printf(MSG_DEBUG, "WEXT: EV_P2P_SEND_ACTION_CB");
1466 fetch_pending_big_events(drv);
1467 break;
1468 case IEEE80211_EV_RX_MGMT:
1469 wpa_printf(MSG_DEBUG, "WEXT: EV_RX_MGMT");
1470 fetch_pending_big_events(drv);
1471 break;
1472 default:
1473 break;
1474 }
1475 }
1476
1477 static void
atheros_wireless_event_wireless(struct atheros_driver_data * drv,char * data,unsigned int len)1478 atheros_wireless_event_wireless(struct atheros_driver_data *drv,
1479 char *data, unsigned int len)
1480 {
1481 struct iw_event iwe_buf, *iwe = &iwe_buf;
1482 char *pos, *end, *custom, *buf;
1483
1484 pos = data;
1485 end = data + len;
1486
1487 while ((size_t) (end - pos) >= IW_EV_LCP_LEN) {
1488 /* Event data may be unaligned, so make a local, aligned copy
1489 * before processing. */
1490 os_memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
1491 wpa_printf(MSG_MSGDUMP, "Wireless event: cmd=0x%x len=%d",
1492 iwe->cmd, iwe->len);
1493 if (iwe->len <= IW_EV_LCP_LEN || iwe->len > end - pos)
1494 return;
1495
1496 custom = pos + IW_EV_POINT_LEN;
1497 if (drv->we_version > 18 &&
1498 (iwe->cmd == IWEVMICHAELMICFAILURE ||
1499 iwe->cmd == IWEVASSOCREQIE ||
1500 iwe->cmd == IWEVCUSTOM)) {
1501 /* WE-19 removed the pointer from struct iw_point */
1502 char *dpos = (char *) &iwe_buf.u.data.length;
1503 int dlen = dpos - (char *) &iwe_buf;
1504 os_memcpy(dpos, pos + IW_EV_LCP_LEN,
1505 sizeof(struct iw_event) - dlen);
1506 } else {
1507 os_memcpy(&iwe_buf, pos, sizeof(struct iw_event));
1508 custom += IW_EV_POINT_OFF;
1509 }
1510
1511 switch (iwe->cmd) {
1512 case IWEVEXPIRED:
1513 drv_event_disassoc(drv->hapd,
1514 (u8 *) iwe->u.addr.sa_data);
1515 break;
1516 case IWEVREGISTERED:
1517 atheros_new_sta(drv, (u8 *) iwe->u.addr.sa_data);
1518 break;
1519 case IWEVASSOCREQIE:
1520 /* Driver hack.. Use IWEVASSOCREQIE to bypass
1521 * IWEVCUSTOM size limitations. Need to handle this
1522 * just like IWEVCUSTOM.
1523 */
1524 case IWEVCUSTOM:
1525 if (iwe->u.data.length > end - custom)
1526 return;
1527 buf = os_malloc(iwe->u.data.length + 1);
1528 if (buf == NULL)
1529 return; /* XXX */
1530 os_memcpy(buf, custom, iwe->u.data.length);
1531 buf[iwe->u.data.length] = '\0';
1532
1533 if (iwe->u.data.flags != 0) {
1534 atheros_wireless_event_atheros_custom(
1535 drv, (int) iwe->u.data.flags,
1536 buf, len);
1537 } else {
1538 atheros_wireless_event_wireless_custom(
1539 drv, buf, buf + iwe->u.data.length);
1540 }
1541 os_free(buf);
1542 break;
1543 }
1544
1545 pos += iwe->len;
1546 }
1547 }
1548
1549
1550 static void
atheros_wireless_event_rtm_newlink(void * ctx,struct ifinfomsg * ifi,u8 * buf,size_t len)1551 atheros_wireless_event_rtm_newlink(void *ctx,
1552 struct ifinfomsg *ifi, u8 *buf, size_t len)
1553 {
1554 struct atheros_driver_data *drv = ctx;
1555 int attrlen, rta_len;
1556 struct rtattr *attr;
1557
1558 if (ifi->ifi_index != drv->ifindex)
1559 return;
1560
1561 attrlen = len;
1562 attr = (struct rtattr *) buf;
1563
1564 rta_len = RTA_ALIGN(sizeof(struct rtattr));
1565 while (RTA_OK(attr, attrlen)) {
1566 if (attr->rta_type == IFLA_WIRELESS) {
1567 atheros_wireless_event_wireless(
1568 drv, ((char *) attr) + rta_len,
1569 attr->rta_len - rta_len);
1570 }
1571 attr = RTA_NEXT(attr, attrlen);
1572 }
1573 }
1574
1575
1576 static int
atheros_get_we_version(struct atheros_driver_data * drv)1577 atheros_get_we_version(struct atheros_driver_data *drv)
1578 {
1579 struct iw_range *range;
1580 struct iwreq iwr;
1581 int minlen;
1582 size_t buflen;
1583
1584 drv->we_version = 0;
1585
1586 /*
1587 * Use larger buffer than struct iw_range in order to allow the
1588 * structure to grow in the future.
1589 */
1590 buflen = sizeof(struct iw_range) + 500;
1591 range = os_zalloc(buflen);
1592 if (range == NULL)
1593 return -1;
1594
1595 os_memset(&iwr, 0, sizeof(iwr));
1596 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1597 iwr.u.data.pointer = (caddr_t) range;
1598 iwr.u.data.length = buflen;
1599
1600 minlen = ((char *) &range->enc_capa) - (char *) range +
1601 sizeof(range->enc_capa);
1602
1603 if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
1604 wpa_printf(MSG_ERROR, "ioctl[SIOCGIWRANGE]: %s",
1605 strerror(errno));
1606 os_free(range);
1607 return -1;
1608 } else if (iwr.u.data.length >= minlen &&
1609 range->we_version_compiled >= 18) {
1610 wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
1611 "WE(source)=%d enc_capa=0x%x",
1612 range->we_version_compiled,
1613 range->we_version_source,
1614 range->enc_capa);
1615 drv->we_version = range->we_version_compiled;
1616 }
1617
1618 os_free(range);
1619 return 0;
1620 }
1621
1622
1623 static int
atheros_wireless_event_init(struct atheros_driver_data * drv)1624 atheros_wireless_event_init(struct atheros_driver_data *drv)
1625 {
1626 struct netlink_config *cfg;
1627
1628 atheros_get_we_version(drv);
1629
1630 cfg = os_zalloc(sizeof(*cfg));
1631 if (cfg == NULL)
1632 return -1;
1633 cfg->ctx = drv;
1634 cfg->newlink_cb = atheros_wireless_event_rtm_newlink;
1635 drv->netlink = netlink_init(cfg);
1636 if (drv->netlink == NULL) {
1637 os_free(cfg);
1638 return -1;
1639 }
1640
1641 return 0;
1642 }
1643
1644
1645 static int
atheros_send_eapol(void * priv,const u8 * addr,const u8 * data,size_t data_len,int encrypt,const u8 * own_addr,u32 flags)1646 atheros_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len,
1647 int encrypt, const u8 *own_addr, u32 flags)
1648 {
1649 struct atheros_driver_data *drv = priv;
1650 unsigned char buf[3000];
1651 unsigned char *bp = buf;
1652 struct l2_ethhdr *eth;
1653 size_t len;
1654 int status;
1655
1656 /*
1657 * Prepend the Ethernet header. If the caller left us
1658 * space at the front we could just insert it but since
1659 * we don't know we copy to a local buffer. Given the frequency
1660 * and size of frames this probably doesn't matter.
1661 */
1662 len = data_len + sizeof(struct l2_ethhdr);
1663 if (len > sizeof(buf)) {
1664 bp = os_malloc(len);
1665 if (bp == NULL) {
1666 wpa_printf(MSG_INFO,
1667 "EAPOL frame discarded, cannot malloc temp buffer of size %lu!",
1668 (unsigned long) len);
1669 return -1;
1670 }
1671 }
1672 eth = (struct l2_ethhdr *) bp;
1673 os_memcpy(eth->h_dest, addr, ETH_ALEN);
1674 os_memcpy(eth->h_source, own_addr, ETH_ALEN);
1675 eth->h_proto = host_to_be16(ETH_P_EAPOL);
1676 os_memcpy(eth + 1, data, data_len);
1677
1678 wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len);
1679
1680 status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len);
1681
1682 if (bp != buf)
1683 os_free(bp);
1684 return status;
1685 }
1686
1687 static void
handle_read(void * ctx,const u8 * src_addr,const u8 * buf,size_t len)1688 handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
1689 {
1690 struct atheros_driver_data *drv = ctx;
1691 drv_event_eapol_rx(drv->hapd, src_addr, buf + sizeof(struct l2_ethhdr),
1692 len - sizeof(struct l2_ethhdr));
1693 }
1694
1695
atheros_read_fils_cap(struct atheros_driver_data * drv)1696 static void atheros_read_fils_cap(struct atheros_driver_data *drv)
1697 {
1698 int fils = 0;
1699
1700 #ifdef CONFIG_FILS
1701 /* TODO: Would be better to have #ifdef on the IEEE80211_PARAM_* value
1702 * to automatically check this against the driver header files. */
1703 if (get80211param(drv, IEEE80211_PARAM_ENABLE_FILS, &fils) < 0) {
1704 wpa_printf(MSG_DEBUG,
1705 "%s: Failed to get FILS capability from driver",
1706 __func__);
1707 /* Assume driver does not support FILS */
1708 fils = 0;
1709 }
1710 #endif /* CONFIG_FILS */
1711 drv->fils_en = fils;
1712 wpa_printf(MSG_DEBUG, "atheros: fils_en=%d", drv->fils_en);
1713 }
1714
1715
1716 static void *
atheros_init(struct hostapd_data * hapd,struct wpa_init_params * params)1717 atheros_init(struct hostapd_data *hapd, struct wpa_init_params *params)
1718 {
1719 struct atheros_driver_data *drv;
1720 struct ifreq ifr;
1721 struct iwreq iwr;
1722 char brname[IFNAMSIZ];
1723
1724 drv = os_zalloc(sizeof(struct atheros_driver_data));
1725 if (drv == NULL) {
1726 wpa_printf(MSG_INFO,
1727 "Could not allocate memory for atheros driver data");
1728 return NULL;
1729 }
1730
1731 drv->hapd = hapd;
1732 drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
1733 if (drv->ioctl_sock < 0) {
1734 wpa_printf(MSG_ERROR, "socket[PF_INET,SOCK_DGRAM]: %s",
1735 strerror(errno));
1736 goto bad;
1737 }
1738 os_memcpy(drv->iface, params->ifname, sizeof(drv->iface));
1739
1740 os_memset(&ifr, 0, sizeof(ifr));
1741 os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
1742 if (ioctl(drv->ioctl_sock, SIOCGIFINDEX, &ifr) != 0) {
1743 wpa_printf(MSG_ERROR, "ioctl(SIOCGIFINDEX): %s",
1744 strerror(errno));
1745 goto bad;
1746 }
1747 drv->ifindex = ifr.ifr_ifindex;
1748
1749 drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL,
1750 handle_read, drv, 1);
1751 if (drv->sock_xmit == NULL)
1752 goto bad;
1753 if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr))
1754 goto bad;
1755 os_memcpy(drv->own_addr, params->own_addr, ETH_ALEN);
1756 if (params->bridge[0]) {
1757 wpa_printf(MSG_DEBUG, "Configure bridge %s for EAPOL traffic.",
1758 params->bridge[0]);
1759 drv->sock_recv = l2_packet_init(params->bridge[0], NULL,
1760 ETH_P_EAPOL, handle_read, drv,
1761 1);
1762 if (drv->sock_recv == NULL)
1763 goto bad;
1764 } else if (linux_br_get(brname, drv->iface) == 0) {
1765 wpa_printf(MSG_DEBUG, "Interface in bridge %s; configure for "
1766 "EAPOL receive", brname);
1767 drv->sock_recv = l2_packet_init(brname, NULL, ETH_P_EAPOL,
1768 handle_read, drv, 1);
1769 if (drv->sock_recv == NULL)
1770 goto bad;
1771 } else
1772 drv->sock_recv = drv->sock_xmit;
1773
1774 os_memset(&iwr, 0, sizeof(iwr));
1775 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1776
1777 iwr.u.mode = IW_MODE_MASTER;
1778
1779 if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0) {
1780 wpa_printf(MSG_ERROR,
1781 "Could not set interface to master mode! ioctl[SIOCSIWMODE]: %s",
1782 strerror(errno));
1783 goto bad;
1784 }
1785
1786 /* mark down during setup */
1787 linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0);
1788 atheros_set_privacy(drv, 0); /* default to no privacy */
1789
1790 if (atheros_receive_pkt(drv))
1791 goto bad;
1792
1793 if (atheros_wireless_event_init(drv))
1794 goto bad;
1795
1796 /* Read FILS capability from the driver */
1797 atheros_read_fils_cap(drv);
1798
1799 return drv;
1800 bad:
1801 atheros_reset_appfilter(drv);
1802 if (drv->sock_raw)
1803 l2_packet_deinit(drv->sock_raw);
1804 if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit)
1805 l2_packet_deinit(drv->sock_recv);
1806 if (drv->sock_xmit != NULL)
1807 l2_packet_deinit(drv->sock_xmit);
1808 if (drv->ioctl_sock >= 0)
1809 close(drv->ioctl_sock);
1810 os_free(drv);
1811 return NULL;
1812 }
1813
1814
1815 static void
atheros_deinit(void * priv)1816 atheros_deinit(void *priv)
1817 {
1818 struct atheros_driver_data *drv = priv;
1819
1820 atheros_reset_appfilter(drv);
1821
1822 if (drv->wpa_ie || drv->wps_beacon_ie || drv->wps_probe_resp_ie) {
1823 atheros_set_opt_ie(priv, NULL, 0);
1824 wpabuf_free(drv->wpa_ie);
1825 wpabuf_free(drv->wps_beacon_ie);
1826 wpabuf_free(drv->wps_probe_resp_ie);
1827 }
1828 netlink_deinit(drv->netlink);
1829 (void) linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0);
1830 if (drv->ioctl_sock >= 0)
1831 close(drv->ioctl_sock);
1832 if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit)
1833 l2_packet_deinit(drv->sock_recv);
1834 if (drv->sock_xmit != NULL)
1835 l2_packet_deinit(drv->sock_xmit);
1836 if (drv->sock_raw)
1837 l2_packet_deinit(drv->sock_raw);
1838 os_free(drv);
1839 }
1840
1841 static int
atheros_set_ssid(void * priv,const u8 * buf,int len)1842 atheros_set_ssid(void *priv, const u8 *buf, int len)
1843 {
1844 struct atheros_driver_data *drv = priv;
1845 struct iwreq iwr;
1846
1847 os_memset(&iwr, 0, sizeof(iwr));
1848 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1849 iwr.u.essid.flags = 1; /* SSID active */
1850 iwr.u.essid.pointer = (caddr_t) buf;
1851 iwr.u.essid.length = len;
1852
1853 if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
1854 wpa_printf(MSG_ERROR, "ioctl[SIOCSIWESSID,len=%d]: %s",
1855 len, strerror(errno));
1856 return -1;
1857 }
1858 return 0;
1859 }
1860
1861 static int
atheros_get_ssid(void * priv,u8 * buf,int len)1862 atheros_get_ssid(void *priv, u8 *buf, int len)
1863 {
1864 struct atheros_driver_data *drv = priv;
1865 struct iwreq iwr;
1866 int ret = 0;
1867
1868 os_memset(&iwr, 0, sizeof(iwr));
1869 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1870 iwr.u.essid.pointer = (caddr_t) buf;
1871 iwr.u.essid.length = (len > IW_ESSID_MAX_SIZE) ?
1872 IW_ESSID_MAX_SIZE : len;
1873
1874 if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) {
1875 wpa_printf(MSG_ERROR, "ioctl[SIOCGIWESSID]: %s",
1876 strerror(errno));
1877 ret = -1;
1878 } else
1879 ret = iwr.u.essid.length;
1880
1881 return ret;
1882 }
1883
1884 static int
atheros_set_countermeasures(void * priv,int enabled)1885 atheros_set_countermeasures(void *priv, int enabled)
1886 {
1887 struct atheros_driver_data *drv = priv;
1888 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
1889 return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled);
1890 }
1891
1892 static int
atheros_commit(void * priv)1893 atheros_commit(void *priv)
1894 {
1895 struct atheros_driver_data *drv = priv;
1896 return linux_set_iface_flags(drv->ioctl_sock, drv->iface, 1);
1897 }
1898
atheros_set_authmode(void * priv,int auth_algs)1899 static int atheros_set_authmode(void *priv, int auth_algs)
1900 {
1901 int authmode;
1902
1903 if ((auth_algs & WPA_AUTH_ALG_OPEN) &&
1904 (auth_algs & WPA_AUTH_ALG_SHARED))
1905 authmode = IEEE80211_AUTH_AUTO;
1906 else if (auth_algs & WPA_AUTH_ALG_OPEN)
1907 authmode = IEEE80211_AUTH_OPEN;
1908 else if (auth_algs & WPA_AUTH_ALG_SHARED)
1909 authmode = IEEE80211_AUTH_SHARED;
1910 else
1911 return -1;
1912
1913 return set80211param(priv, IEEE80211_PARAM_AUTHMODE, authmode);
1914 }
1915
atheros_set_ap(void * priv,struct wpa_driver_ap_params * params)1916 static int atheros_set_ap(void *priv, struct wpa_driver_ap_params *params)
1917 {
1918 /*
1919 * TODO: Use this to replace set_authmode, set_privacy, set_ieee8021x,
1920 * set_generic_elem, and hapd_set_ssid.
1921 */
1922
1923 wpa_printf(MSG_DEBUG, "atheros: set_ap - pairwise_ciphers=0x%x "
1924 "group_cipher=0x%x key_mgmt_suites=0x%x auth_algs=0x%x "
1925 "wpa_version=0x%x privacy=%d interworking=%d",
1926 params->pairwise_ciphers, params->group_cipher,
1927 params->key_mgmt_suites, params->auth_algs,
1928 params->wpa_version, params->privacy, params->interworking);
1929 wpa_hexdump_ascii(MSG_DEBUG, "atheros: SSID",
1930 params->ssid, params->ssid_len);
1931 if (params->hessid)
1932 wpa_printf(MSG_DEBUG, "atheros: HESSID " MACSTR,
1933 MAC2STR(params->hessid));
1934 wpa_hexdump_buf(MSG_DEBUG, "atheros: beacon_ies",
1935 params->beacon_ies);
1936 wpa_hexdump_buf(MSG_DEBUG, "atheros: proberesp_ies",
1937 params->proberesp_ies);
1938 wpa_hexdump_buf(MSG_DEBUG, "atheros: assocresp_ies",
1939 params->assocresp_ies);
1940
1941 #if defined(CONFIG_HS20) && (defined(IEEE80211_PARAM_OSEN) || defined(CONFIG_ATHEROS_OSEN))
1942 if (params->osen) {
1943 struct wpa_bss_params bss_params;
1944
1945 os_memset(&bss_params, 0, sizeof(struct wpa_bss_params));
1946 bss_params.enabled = 1;
1947 bss_params.wpa = 2;
1948 bss_params.wpa_pairwise = WPA_CIPHER_CCMP;
1949 bss_params.wpa_group = WPA_CIPHER_CCMP;
1950 bss_params.ieee802_1x = 1;
1951
1952 if (atheros_set_privacy(priv, 1) ||
1953 set80211param(priv, IEEE80211_PARAM_OSEN, 1))
1954 return -1;
1955
1956 return atheros_set_ieee8021x(priv, &bss_params);
1957 }
1958 #endif /* CONFIG_HS20 && IEEE80211_PARAM_OSEN */
1959
1960 return 0;
1961 }
1962
1963
atheros_send_mgmt(void * priv,const u8 * frm,size_t data_len,int noack,unsigned int freq,const u16 * csa_offs,size_t csa_offs_len,int no_encrypt,unsigned int wait)1964 static int atheros_send_mgmt(void *priv, const u8 *frm, size_t data_len,
1965 int noack, unsigned int freq,
1966 const u16 *csa_offs, size_t csa_offs_len,
1967 int no_encrypt, unsigned int wait)
1968 {
1969 struct atheros_driver_data *drv = priv;
1970 u8 buf[1510];
1971 const struct ieee80211_mgmt *mgmt;
1972 struct ieee80211req_mgmtbuf *mgmt_frm;
1973
1974 mgmt = (const struct ieee80211_mgmt *) frm;
1975 wpa_printf(MSG_DEBUG, "%s frmlen = %lu " MACSTR, __func__,
1976 (unsigned long) data_len, MAC2STR(mgmt->da));
1977 mgmt_frm = (struct ieee80211req_mgmtbuf *) buf;
1978 os_memcpy(mgmt_frm->macaddr, (u8 *)mgmt->da, IEEE80211_ADDR_LEN);
1979 mgmt_frm->buflen = data_len;
1980 if (&mgmt_frm->buf[0] + data_len > buf + sizeof(buf)) {
1981 wpa_printf(MSG_INFO, "atheros: Too long frame for "
1982 "atheros_send_mgmt (%u)", (unsigned int) data_len);
1983 return -1;
1984 }
1985 os_memcpy(&mgmt_frm->buf[0], frm, data_len);
1986 return set80211priv(drv, IEEE80211_IOCTL_SEND_MGMT, mgmt_frm,
1987 sizeof(struct ieee80211req_mgmtbuf) + data_len);
1988 }
1989
1990
1991 #ifdef CONFIG_IEEE80211R
1992
atheros_add_tspec(void * priv,const u8 * addr,u8 * tspec_ie,size_t tspec_ielen)1993 static int atheros_add_tspec(void *priv, const u8 *addr, u8 *tspec_ie,
1994 size_t tspec_ielen)
1995 {
1996 struct atheros_driver_data *drv = priv;
1997 int retv;
1998 struct ieee80211req_res req;
1999 struct ieee80211req_res_addts *addts = &req.u.addts;
2000
2001 wpa_printf(MSG_DEBUG, "%s", __func__);
2002 req.type = IEEE80211_RESREQ_ADDTS;
2003 os_memcpy(&req.macaddr[0], addr, IEEE80211_ADDR_LEN);
2004 os_memcpy(addts->tspecie, tspec_ie, tspec_ielen);
2005 retv = set80211priv(drv, IEEE80211_IOCTL_RES_REQ, &req,
2006 sizeof(struct ieee80211req_res));
2007 if (retv < 0) {
2008 wpa_printf(MSG_DEBUG, "%s IEEE80211_IOCTL_RES_REQ FAILED "
2009 "retv = %d", __func__, retv);
2010 return -1;
2011 }
2012 os_memcpy(tspec_ie, addts->tspecie, tspec_ielen);
2013 return addts->status;
2014 }
2015
2016
atheros_add_sta_node(void * priv,const u8 * addr,u16 auth_alg)2017 static int atheros_add_sta_node(void *priv, const u8 *addr, u16 auth_alg)
2018 {
2019 struct atheros_driver_data *drv = priv;
2020 struct ieee80211req_res req;
2021 struct ieee80211req_res_addnode *addnode = &req.u.addnode;
2022
2023 wpa_printf(MSG_DEBUG, "%s", __func__);
2024 req.type = IEEE80211_RESREQ_ADDNODE;
2025 os_memcpy(&req.macaddr[0], addr, IEEE80211_ADDR_LEN);
2026 addnode->auth_alg = auth_alg;
2027 return set80211priv(drv, IEEE80211_IOCTL_RES_REQ, &req,
2028 sizeof(struct ieee80211req_res));
2029 }
2030
2031 #endif /* CONFIG_IEEE80211R */
2032
2033
2034 /* Use only to set a big param, get will not work. */
2035 static int
set80211big(struct atheros_driver_data * drv,int op,const void * data,int len)2036 set80211big(struct atheros_driver_data *drv, int op, const void *data, int len)
2037 {
2038 struct iwreq iwr;
2039
2040 os_memset(&iwr, 0, sizeof(iwr));
2041 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
2042
2043 iwr.u.data.pointer = (void *) data;
2044 iwr.u.data.length = len;
2045 iwr.u.data.flags = op;
2046 wpa_printf(MSG_DEBUG, "%s: op=0x%x=%d (%s) len=0x%x",
2047 __func__, op, op, athr_get_param_name(op), len);
2048
2049 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_P2P_BIG_PARAM, &iwr) < 0) {
2050 wpa_printf(MSG_DEBUG, "%s: op=0x%x (%s) subop=0x%x=%d "
2051 "value=0x%x,0x%x failed: %d (%s)",
2052 __func__, op, athr_get_ioctl_name(op), iwr.u.mode,
2053 iwr.u.mode, iwr.u.data.length,
2054 iwr.u.data.flags, errno, strerror(errno));
2055 return -1;
2056 }
2057 return 0;
2058 }
2059
2060
atheros_send_action(void * priv,unsigned int freq,unsigned int wait,const u8 * dst,const u8 * src,const u8 * bssid,const u8 * data,size_t data_len,int no_cck)2061 static int atheros_send_action(void *priv, unsigned int freq,
2062 unsigned int wait,
2063 const u8 *dst, const u8 *src,
2064 const u8 *bssid,
2065 const u8 *data, size_t data_len, int no_cck)
2066 {
2067 struct atheros_driver_data *drv = priv;
2068 struct ieee80211_p2p_send_action *act;
2069 int res;
2070
2071 act = os_zalloc(sizeof(*act) + data_len);
2072 if (act == NULL)
2073 return -1;
2074 act->freq = freq;
2075 os_memcpy(act->dst_addr, dst, ETH_ALEN);
2076 os_memcpy(act->src_addr, src, ETH_ALEN);
2077 os_memcpy(act->bssid, bssid, ETH_ALEN);
2078 os_memcpy(act + 1, data, data_len);
2079 wpa_printf(MSG_DEBUG, "%s: freq=%d, wait=%u, dst=" MACSTR ", src="
2080 MACSTR ", bssid=" MACSTR,
2081 __func__, act->freq, wait, MAC2STR(act->dst_addr),
2082 MAC2STR(act->src_addr), MAC2STR(act->bssid));
2083 wpa_hexdump(MSG_MSGDUMP, "athr: act", (u8 *) act, sizeof(*act));
2084 wpa_hexdump(MSG_MSGDUMP, "athr: data", data, data_len);
2085
2086 res = set80211big(drv, IEEE80211_IOC_P2P_SEND_ACTION,
2087 act, sizeof(*act) + data_len);
2088 os_free(act);
2089 return res;
2090 }
2091
2092
2093 #if defined(CONFIG_WNM) && defined(IEEE80211_APPIE_FRAME_WNM)
athr_wnm_tfs(struct atheros_driver_data * drv,const u8 * peer,u8 * ie,u16 * len,enum wnm_oper oper)2094 static int athr_wnm_tfs(struct atheros_driver_data *drv, const u8* peer,
2095 u8 *ie, u16 *len, enum wnm_oper oper)
2096 {
2097 #define IEEE80211_APPIE_MAX 1024 /* max appie buffer size */
2098 u8 buf[IEEE80211_APPIE_MAX];
2099 struct ieee80211req_getset_appiebuf *tfs_ie;
2100 u16 val;
2101
2102 wpa_printf(MSG_DEBUG, "atheros: ifname=%s, WNM TFS IE oper=%d " MACSTR,
2103 drv->iface, oper, MAC2STR(peer));
2104
2105 switch (oper) {
2106 case WNM_SLEEP_TFS_REQ_IE_SET:
2107 if (*len > IEEE80211_APPIE_MAX -
2108 sizeof(struct ieee80211req_getset_appiebuf)) {
2109 wpa_printf(MSG_DEBUG, "TFS Req IE(s) too large");
2110 return -1;
2111 }
2112 tfs_ie = (struct ieee80211req_getset_appiebuf *) buf;
2113 tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM;
2114 tfs_ie->app_buflen = ETH_ALEN + 2 + 2 + *len;
2115
2116 /* Command header for driver */
2117 os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN);
2118 val = oper;
2119 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2);
2120 val = *len;
2121 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2);
2122
2123 /* copy the ie */
2124 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2 + 2, ie, *len);
2125
2126 if (set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, tfs_ie,
2127 IEEE80211_APPIE_MAX)) {
2128 wpa_printf(MSG_DEBUG, "%s: Failed to set WNM TFS IE: "
2129 "%s", __func__, strerror(errno));
2130 return -1;
2131 }
2132 break;
2133 case WNM_SLEEP_TFS_RESP_IE_ADD:
2134 tfs_ie = (struct ieee80211req_getset_appiebuf *) buf;
2135 tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM;
2136 tfs_ie->app_buflen = IEEE80211_APPIE_MAX -
2137 sizeof(struct ieee80211req_getset_appiebuf);
2138 /* Command header for driver */
2139 os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN);
2140 val = oper;
2141 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2);
2142 val = 0;
2143 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2);
2144
2145 if (set80211priv(drv, IEEE80211_IOCTL_GET_APPIEBUF, tfs_ie,
2146 IEEE80211_APPIE_MAX)) {
2147 wpa_printf(MSG_DEBUG, "%s: Failed to get WNM TFS IE: "
2148 "%s", __func__, strerror(errno));
2149 return -1;
2150 }
2151
2152 *len = tfs_ie->app_buflen;
2153 os_memcpy(ie, &(tfs_ie->app_buf[0]), *len);
2154 wpa_printf(MSG_DEBUG, "atheros: %c len=%d", tfs_ie->app_buf[0],
2155 *len);
2156 break;
2157 case WNM_SLEEP_TFS_RESP_IE_NONE:
2158 *len = 0;
2159 break;
2160 case WNM_SLEEP_TFS_IE_DEL:
2161 tfs_ie = (struct ieee80211req_getset_appiebuf *) buf;
2162 tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM;
2163 tfs_ie->app_buflen = IEEE80211_APPIE_MAX -
2164 sizeof(struct ieee80211req_getset_appiebuf);
2165 /* Command header for driver */
2166 os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN);
2167 val = oper;
2168 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2);
2169 val = 0;
2170 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2);
2171
2172 if (set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, tfs_ie,
2173 IEEE80211_APPIE_MAX)) {
2174 wpa_printf(MSG_DEBUG, "%s: Failed to set WNM TFS IE: "
2175 "%s", __func__, strerror(errno));
2176 return -1;
2177 }
2178 break;
2179 default:
2180 wpa_printf(MSG_DEBUG, "Unsupported TFS oper %d", oper);
2181 break;
2182 }
2183
2184 return 0;
2185 }
2186
2187
atheros_wnm_sleep(struct atheros_driver_data * drv,const u8 * peer,enum wnm_oper oper)2188 static int atheros_wnm_sleep(struct atheros_driver_data *drv,
2189 const u8 *peer, enum wnm_oper oper)
2190 {
2191 u8 *data, *pos;
2192 size_t dlen;
2193 int ret;
2194 u16 val;
2195
2196 wpa_printf(MSG_DEBUG, "atheros: WNM-Sleep Oper %d, " MACSTR,
2197 oper, MAC2STR(peer));
2198
2199 dlen = ETH_ALEN + 2 + 2;
2200 data = os_malloc(dlen);
2201 if (data == NULL)
2202 return -1;
2203
2204 /* Command header for driver */
2205 pos = data;
2206 os_memcpy(pos, peer, ETH_ALEN);
2207 pos += ETH_ALEN;
2208
2209 val = oper;
2210 os_memcpy(pos, &val, 2);
2211 pos += 2;
2212
2213 val = 0;
2214 os_memcpy(pos, &val, 2);
2215
2216 ret = atheros_set_wps_ie(drv, data, dlen, IEEE80211_APPIE_FRAME_WNM);
2217
2218 os_free(data);
2219
2220 return ret;
2221 }
2222
2223
atheros_wnm_oper(void * priv,enum wnm_oper oper,const u8 * peer,u8 * buf,u16 * buf_len)2224 static int atheros_wnm_oper(void *priv, enum wnm_oper oper, const u8 *peer,
2225 u8 *buf, u16 *buf_len)
2226 {
2227 struct atheros_driver_data *drv = priv;
2228
2229 switch (oper) {
2230 case WNM_SLEEP_ENTER_CONFIRM:
2231 case WNM_SLEEP_ENTER_FAIL:
2232 case WNM_SLEEP_EXIT_CONFIRM:
2233 case WNM_SLEEP_EXIT_FAIL:
2234 return atheros_wnm_sleep(drv, peer, oper);
2235 case WNM_SLEEP_TFS_REQ_IE_SET:
2236 case WNM_SLEEP_TFS_RESP_IE_ADD:
2237 case WNM_SLEEP_TFS_RESP_IE_NONE:
2238 case WNM_SLEEP_TFS_IE_DEL:
2239 return athr_wnm_tfs(drv, peer, buf, buf_len, oper);
2240 default:
2241 wpa_printf(MSG_DEBUG, "atheros: Unsupported WNM operation %d",
2242 oper);
2243 return -1;
2244 }
2245 }
2246 #endif /* CONFIG_WNM && IEEE80211_APPIE_FRAME_WNM */
2247
2248
2249 const struct wpa_driver_ops wpa_driver_atheros_ops = {
2250 .name = "atheros",
2251 .hapd_init = atheros_init,
2252 .hapd_deinit = atheros_deinit,
2253 .set_ieee8021x = atheros_set_ieee8021x,
2254 .set_privacy = atheros_set_privacy,
2255 .set_key = atheros_set_key,
2256 .get_seqnum = atheros_get_seqnum,
2257 .flush = atheros_flush,
2258 .set_generic_elem = atheros_set_opt_ie,
2259 .sta_set_flags = atheros_sta_set_flags,
2260 .read_sta_data = atheros_read_sta_driver_data,
2261 .hapd_send_eapol = atheros_send_eapol,
2262 .sta_disassoc = atheros_sta_disassoc,
2263 .sta_deauth = atheros_sta_deauth,
2264 .hapd_set_ssid = atheros_set_ssid,
2265 .hapd_get_ssid = atheros_get_ssid,
2266 .set_countermeasures = atheros_set_countermeasures,
2267 .sta_clear_stats = atheros_sta_clear_stats,
2268 .commit = atheros_commit,
2269 .set_ap_wps_ie = atheros_set_ap_wps_ie,
2270 .set_authmode = atheros_set_authmode,
2271 .set_ap = atheros_set_ap,
2272 .sta_assoc = atheros_sta_assoc,
2273 .sta_auth = atheros_sta_auth,
2274 .send_mlme = atheros_send_mgmt,
2275 #ifdef CONFIG_IEEE80211R
2276 .add_tspec = atheros_add_tspec,
2277 .add_sta_node = atheros_add_sta_node,
2278 #endif /* CONFIG_IEEE80211R */
2279 .send_action = atheros_send_action,
2280 #if defined(CONFIG_WNM) && defined(IEEE80211_APPIE_FRAME_WNM)
2281 .wnm_oper = atheros_wnm_oper,
2282 #endif /* CONFIG_WNM && IEEE80211_APPIE_FRAME_WNM */
2283 .set_qos_map = atheros_set_qos_map,
2284 };
2285
