1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Driver for KeyStream wireless LAN cards.
4 *
5 * Copyright (C) 2005-2008 KeyStream Corp.
6 * Copyright (C) 2009 Renesas Technology Corp.
7 */
8
9 #include <crypto/hash.h>
10 #include <linux/circ_buf.h>
11 #include <linux/if_arp.h>
12 #include <net/iw_handler.h>
13 #include <uapi/linux/llc.h>
14 #include "eap_packet.h"
15 #include "ks_wlan.h"
16 #include "ks_hostif.h"
17
18 #define MICHAEL_MIC_KEY_LEN 8
19 #define MICHAEL_MIC_LEN 8
20
inc_smeqhead(struct ks_wlan_private * priv)21 static inline void inc_smeqhead(struct ks_wlan_private *priv)
22 {
23 priv->sme_i.qhead = (priv->sme_i.qhead + 1) % SME_EVENT_BUFF_SIZE;
24 }
25
inc_smeqtail(struct ks_wlan_private * priv)26 static inline void inc_smeqtail(struct ks_wlan_private *priv)
27 {
28 priv->sme_i.qtail = (priv->sme_i.qtail + 1) % SME_EVENT_BUFF_SIZE;
29 }
30
cnt_smeqbody(struct ks_wlan_private * priv)31 static inline unsigned int cnt_smeqbody(struct ks_wlan_private *priv)
32 {
33 return CIRC_CNT_TO_END(priv->sme_i.qhead, priv->sme_i.qtail,
34 SME_EVENT_BUFF_SIZE);
35 }
36
get_byte(struct ks_wlan_private * priv)37 static inline u8 get_byte(struct ks_wlan_private *priv)
38 {
39 u8 data;
40
41 data = *priv->rxp++;
42 /* length check in advance ! */
43 --(priv->rx_size);
44 return data;
45 }
46
get_word(struct ks_wlan_private * priv)47 static inline u16 get_word(struct ks_wlan_private *priv)
48 {
49 u16 data;
50
51 data = (get_byte(priv) & 0xff);
52 data |= ((get_byte(priv) << 8) & 0xff00);
53 return data;
54 }
55
get_dword(struct ks_wlan_private * priv)56 static inline u32 get_dword(struct ks_wlan_private *priv)
57 {
58 u32 data;
59
60 data = (get_byte(priv) & 0xff);
61 data |= ((get_byte(priv) << 8) & 0x0000ff00);
62 data |= ((get_byte(priv) << 16) & 0x00ff0000);
63 data |= ((get_byte(priv) << 24) & 0xff000000);
64 return data;
65 }
66
ks_wlan_hw_wakeup_task(struct work_struct * work)67 static void ks_wlan_hw_wakeup_task(struct work_struct *work)
68 {
69 struct ks_wlan_private *priv;
70 int ps_status;
71 long time_left;
72
73 priv = container_of(work, struct ks_wlan_private, wakeup_work);
74 ps_status = atomic_read(&priv->psstatus.status);
75
76 if (ps_status == PS_SNOOZE) {
77 ks_wlan_hw_wakeup_request(priv);
78 time_left = wait_for_completion_interruptible_timeout(
79 &priv->psstatus.wakeup_wait,
80 msecs_to_jiffies(20));
81 if (time_left <= 0) {
82 netdev_dbg(priv->net_dev, "wake up timeout or interrupted !!!\n");
83 schedule_work(&priv->wakeup_work);
84 return;
85 }
86 }
87
88 /* power save */
89 if (atomic_read(&priv->sme_task.count) > 0)
90 tasklet_enable(&priv->sme_task);
91 }
92
ks_wlan_do_power_save(struct ks_wlan_private * priv)93 static void ks_wlan_do_power_save(struct ks_wlan_private *priv)
94 {
95 if (is_connect_status(priv->connect_status))
96 hostif_sme_enqueue(priv, SME_POW_MNGMT_REQUEST);
97 else
98 priv->dev_state = DEVICE_STATE_READY;
99 }
100
101 static
get_current_ap(struct ks_wlan_private * priv,struct link_ap_info * ap_info)102 int get_current_ap(struct ks_wlan_private *priv, struct link_ap_info *ap_info)
103 {
104 struct local_ap *ap;
105 union iwreq_data wrqu;
106 struct net_device *netdev = priv->net_dev;
107 u8 size;
108
109 ap = &priv->current_ap;
110
111 if (is_disconnect_status(priv->connect_status)) {
112 memset(ap, 0, sizeof(struct local_ap));
113 return -EPERM;
114 }
115
116 ether_addr_copy(ap->bssid, ap_info->bssid);
117 memcpy(ap->ssid.body, priv->reg.ssid.body,
118 priv->reg.ssid.size);
119 ap->ssid.size = priv->reg.ssid.size;
120 memcpy(ap->rate_set.body, ap_info->rate_set.body,
121 ap_info->rate_set.size);
122 ap->rate_set.size = ap_info->rate_set.size;
123 if (ap_info->ext_rate_set.size != 0) {
124 memcpy(&ap->rate_set.body[ap->rate_set.size],
125 ap_info->ext_rate_set.body,
126 ap_info->ext_rate_set.size);
127 ap->rate_set.size += ap_info->ext_rate_set.size;
128 }
129 ap->channel = ap_info->ds_parameter.channel;
130 ap->rssi = ap_info->rssi;
131 ap->sq = ap_info->sq;
132 ap->noise = ap_info->noise;
133 ap->capability = le16_to_cpu(ap_info->capability);
134 size = (ap_info->rsn.size <= RSN_IE_BODY_MAX) ?
135 ap_info->rsn.size : RSN_IE_BODY_MAX;
136 if ((ap_info->rsn_mode & RSN_MODE_WPA2) &&
137 (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2)) {
138 ap->rsn_ie.id = RSN_INFO_ELEM_ID;
139 ap->rsn_ie.size = size;
140 memcpy(ap->rsn_ie.body, ap_info->rsn.body, size);
141 } else if ((ap_info->rsn_mode & RSN_MODE_WPA) &&
142 (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA)) {
143 ap->wpa_ie.id = WPA_INFO_ELEM_ID;
144 ap->wpa_ie.size = size;
145 memcpy(ap->wpa_ie.body, ap_info->rsn.body, size);
146 } else {
147 ap->rsn_ie.id = 0;
148 ap->rsn_ie.size = 0;
149 ap->wpa_ie.id = 0;
150 ap->wpa_ie.size = 0;
151 }
152
153 wrqu.data.length = 0;
154 wrqu.data.flags = 0;
155 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
156 if (is_connect_status(priv->connect_status)) {
157 ether_addr_copy(wrqu.ap_addr.sa_data, priv->current_ap.bssid);
158 netdev_dbg(priv->net_dev,
159 "IWEVENT: connect bssid=%pM\n",
160 wrqu.ap_addr.sa_data);
161 wireless_send_event(netdev, SIOCGIWAP, &wrqu, NULL);
162 }
163 netdev_dbg(priv->net_dev, "Link AP\n"
164 "- bssid=%02X:%02X:%02X:%02X:%02X:%02X\n"
165 "- essid=%s\n"
166 "- rate_set=%02X,%02X,%02X,%02X,%02X,%02X,%02X,%02X\n"
167 "- channel=%d\n"
168 "- rssi=%d\n"
169 "- sq=%d\n"
170 "- capability=%04X\n"
171 "- rsn.mode=%d\n"
172 "- rsn.size=%d\n"
173 "- ext_rate_set_size=%d\n"
174 "- rate_set_size=%d\n",
175 ap->bssid[0], ap->bssid[1], ap->bssid[2],
176 ap->bssid[3], ap->bssid[4], ap->bssid[5],
177 &ap->ssid.body[0],
178 ap->rate_set.body[0], ap->rate_set.body[1],
179 ap->rate_set.body[2], ap->rate_set.body[3],
180 ap->rate_set.body[4], ap->rate_set.body[5],
181 ap->rate_set.body[6], ap->rate_set.body[7],
182 ap->channel, ap->rssi, ap->sq, ap->capability,
183 ap_info->rsn_mode, ap_info->rsn.size,
184 ap_info->ext_rate_set.size, ap_info->rate_set.size);
185
186 return 0;
187 }
188
read_ie(unsigned char * bp,u8 max,u8 * body)189 static u8 read_ie(unsigned char *bp, u8 max, u8 *body)
190 {
191 u8 size = (*(bp + 1) <= max) ? *(bp + 1) : max;
192
193 memcpy(body, bp + 2, size);
194 return size;
195 }
196
197 static int
michael_mic(u8 * key,u8 * data,unsigned int len,u8 priority,u8 * result)198 michael_mic(u8 *key, u8 *data, unsigned int len, u8 priority, u8 *result)
199 {
200 u8 pad_data[4] = { priority, 0, 0, 0 };
201 struct crypto_shash *tfm = NULL;
202 struct shash_desc *desc = NULL;
203 int ret;
204
205 tfm = crypto_alloc_shash("michael_mic", 0, 0);
206 if (IS_ERR(tfm)) {
207 ret = PTR_ERR(tfm);
208 goto err;
209 }
210
211 ret = crypto_shash_setkey(tfm, key, MICHAEL_MIC_KEY_LEN);
212 if (ret < 0)
213 goto err_free_tfm;
214
215 desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(tfm), GFP_KERNEL);
216 if (!desc) {
217 ret = -ENOMEM;
218 goto err_free_tfm;
219 }
220
221 desc->tfm = tfm;
222
223 ret = crypto_shash_init(desc);
224 if (ret < 0)
225 goto err_free_desc;
226
227 // Compute the MIC value
228 /*
229 * IEEE802.11i page 47
230 * Figure 43g TKIP MIC processing format
231 * +--+--+--------+--+----+--+--+--+--+--+--+--+--+
232 * |6 |6 |1 |3 |M |1 |1 |1 |1 |1 |1 |1 |1 | Octet
233 * +--+--+--------+--+----+--+--+--+--+--+--+--+--+
234 * |DA|SA|Priority|0 |Data|M0|M1|M2|M3|M4|M5|M6|M7|
235 * +--+--+--------+--+----+--+--+--+--+--+--+--+--+
236 */
237
238 ret = crypto_shash_update(desc, data, 12);
239 if (ret < 0)
240 goto err_free_desc;
241
242 ret = crypto_shash_update(desc, pad_data, 4);
243 if (ret < 0)
244 goto err_free_desc;
245
246 ret = crypto_shash_finup(desc, data + 12, len - 12, result);
247
248 err_free_desc:
249 kzfree(desc);
250
251 err_free_tfm:
252 crypto_free_shash(tfm);
253
254 err:
255 return ret;
256 }
257
258 static
get_ap_information(struct ks_wlan_private * priv,struct ap_info * ap_info,struct local_ap * ap)259 int get_ap_information(struct ks_wlan_private *priv, struct ap_info *ap_info,
260 struct local_ap *ap)
261 {
262 unsigned char *bp;
263 int bsize, offset;
264
265 memset(ap, 0, sizeof(struct local_ap));
266
267 ether_addr_copy(ap->bssid, ap_info->bssid);
268 ap->rssi = ap_info->rssi;
269 ap->sq = ap_info->sq;
270 ap->noise = ap_info->noise;
271 ap->capability = le16_to_cpu(ap_info->capability);
272 ap->channel = ap_info->ch_info;
273
274 bp = ap_info->body;
275 bsize = le16_to_cpu(ap_info->body_size);
276 offset = 0;
277
278 while (bsize > offset) {
279 switch (*bp) { /* Information Element ID */
280 case WLAN_EID_SSID:
281 ap->ssid.size = read_ie(bp, IEEE80211_MAX_SSID_LEN,
282 ap->ssid.body);
283 break;
284 case WLAN_EID_SUPP_RATES:
285 case WLAN_EID_EXT_SUPP_RATES:
286 if ((*(bp + 1) + ap->rate_set.size) <=
287 RATE_SET_MAX_SIZE) {
288 memcpy(&ap->rate_set.body[ap->rate_set.size],
289 bp + 2, *(bp + 1));
290 ap->rate_set.size += *(bp + 1);
291 } else {
292 memcpy(&ap->rate_set.body[ap->rate_set.size],
293 bp + 2,
294 RATE_SET_MAX_SIZE - ap->rate_set.size);
295 ap->rate_set.size +=
296 (RATE_SET_MAX_SIZE - ap->rate_set.size);
297 }
298 break;
299 case WLAN_EID_RSN:
300 ap->rsn_ie.id = *bp;
301 ap->rsn_ie.size = read_ie(bp, RSN_IE_BODY_MAX,
302 ap->rsn_ie.body);
303 break;
304 case WLAN_EID_VENDOR_SPECIFIC: /* WPA */
305 /* WPA OUI check */
306 if (memcmp(bp + 2, CIPHER_ID_WPA_WEP40, 4) == 0) {
307 ap->wpa_ie.id = *bp;
308 ap->wpa_ie.size = read_ie(bp, RSN_IE_BODY_MAX,
309 ap->wpa_ie.body);
310 }
311 break;
312 case WLAN_EID_DS_PARAMS:
313 case WLAN_EID_FH_PARAMS:
314 case WLAN_EID_CF_PARAMS:
315 case WLAN_EID_TIM:
316 case WLAN_EID_IBSS_PARAMS:
317 case WLAN_EID_COUNTRY:
318 case WLAN_EID_ERP_INFO:
319 break;
320 default:
321 netdev_err(priv->net_dev,
322 "unknown Element ID=%d\n", *bp);
323 break;
324 }
325
326 offset += 2; /* id & size field */
327 offset += *(bp + 1); /* +size offset */
328 bp += (*(bp + 1) + 2); /* pointer update */
329 }
330
331 return 0;
332 }
333
334 static
hostif_data_indication_wpa(struct ks_wlan_private * priv,unsigned short auth_type)335 int hostif_data_indication_wpa(struct ks_wlan_private *priv,
336 unsigned short auth_type)
337 {
338 struct ether_hdr *eth_hdr;
339 unsigned short eth_proto;
340 unsigned char recv_mic[MICHAEL_MIC_LEN];
341 char buf[128];
342 unsigned long now;
343 struct mic_failure *mic_failure;
344 u8 mic[MICHAEL_MIC_LEN];
345 union iwreq_data wrqu;
346 unsigned int key_index = auth_type - 1;
347 struct wpa_key *key = &priv->wpa.key[key_index];
348
349 eth_hdr = (struct ether_hdr *)(priv->rxp);
350 eth_proto = ntohs(eth_hdr->h_proto);
351
352 if (eth_hdr->h_dest_snap != eth_hdr->h_source_snap) {
353 netdev_err(priv->net_dev, "invalid data format\n");
354 priv->nstats.rx_errors++;
355 return -EINVAL;
356 }
357 if (((auth_type == TYPE_PMK1 &&
358 priv->wpa.pairwise_suite == IW_AUTH_CIPHER_TKIP) ||
359 (auth_type == TYPE_GMK1 &&
360 priv->wpa.group_suite == IW_AUTH_CIPHER_TKIP) ||
361 (auth_type == TYPE_GMK2 &&
362 priv->wpa.group_suite == IW_AUTH_CIPHER_TKIP)) &&
363 key->key_len) {
364 int ret;
365
366 netdev_dbg(priv->net_dev, "TKIP: protocol=%04X: size=%u\n",
367 eth_proto, priv->rx_size);
368 /* MIC save */
369 memcpy(&recv_mic[0],
370 (priv->rxp) + ((priv->rx_size) - sizeof(recv_mic)),
371 sizeof(recv_mic));
372 priv->rx_size = priv->rx_size - sizeof(recv_mic);
373
374 ret = michael_mic(key->rx_mic_key, priv->rxp, priv->rx_size,
375 0, mic);
376 if (ret < 0)
377 return ret;
378 if (memcmp(mic, recv_mic, sizeof(mic)) != 0) {
379 now = jiffies;
380 mic_failure = &priv->wpa.mic_failure;
381 /* MIC FAILURE */
382 if (mic_failure->last_failure_time &&
383 (now - mic_failure->last_failure_time) / HZ >= 60) {
384 mic_failure->failure = 0;
385 }
386 netdev_err(priv->net_dev, "MIC FAILURE\n");
387 if (mic_failure->failure == 0) {
388 mic_failure->failure = 1;
389 mic_failure->counter = 0;
390 } else if (mic_failure->failure == 1) {
391 mic_failure->failure = 2;
392 mic_failure->counter =
393 (u16)((now - mic_failure->last_failure_time) / HZ);
394 /* range 1-60 */
395 if (!mic_failure->counter)
396 mic_failure->counter = 1;
397 }
398 priv->wpa.mic_failure.last_failure_time = now;
399
400 /* needed parameters: count, keyid, key type, TSC */
401 sprintf(buf,
402 "MLME-MICHAELMICFAILURE.indication(keyid=%d %scast addr=%pM)",
403 key_index,
404 eth_hdr->h_dest[0] & 0x01 ? "broad" : "uni",
405 eth_hdr->h_source);
406 memset(&wrqu, 0, sizeof(wrqu));
407 wrqu.data.length = strlen(buf);
408 wireless_send_event(priv->net_dev, IWEVCUSTOM, &wrqu,
409 buf);
410 return -EINVAL;
411 }
412 }
413 return 0;
414 }
415
416 static
hostif_data_indication(struct ks_wlan_private * priv)417 void hostif_data_indication(struct ks_wlan_private *priv)
418 {
419 unsigned int rx_ind_size; /* indicate data size */
420 struct sk_buff *skb;
421 u16 auth_type;
422 unsigned char temp[256];
423 struct ether_hdr *eth_hdr;
424 struct ieee802_1x_hdr *aa1x_hdr;
425 size_t size;
426 int ret;
427
428 /* min length check */
429 if (priv->rx_size <= ETH_HLEN) {
430 priv->nstats.rx_errors++;
431 return;
432 }
433
434 auth_type = get_word(priv); /* AuthType */
435 get_word(priv); /* Reserve Area */
436
437 eth_hdr = (struct ether_hdr *)(priv->rxp);
438
439 /* source address check */
440 if (ether_addr_equal(&priv->eth_addr[0], eth_hdr->h_source)) {
441 netdev_err(priv->net_dev, "invalid : source is own mac address !!\n");
442 netdev_err(priv->net_dev,
443 "eth_hdrernet->h_dest=%02X:%02X:%02X:%02X:%02X:%02X\n",
444 eth_hdr->h_source[0], eth_hdr->h_source[1],
445 eth_hdr->h_source[2], eth_hdr->h_source[3],
446 eth_hdr->h_source[4], eth_hdr->h_source[5]);
447 priv->nstats.rx_errors++;
448 return;
449 }
450
451 /* for WPA */
452 if (auth_type != TYPE_DATA && priv->wpa.rsn_enabled) {
453 ret = hostif_data_indication_wpa(priv, auth_type);
454 if (ret)
455 return;
456 }
457
458 if ((priv->connect_status & FORCE_DISCONNECT) ||
459 priv->wpa.mic_failure.failure == 2) {
460 return;
461 }
462
463 /* check 13th byte at rx data */
464 switch (*(priv->rxp + 12)) {
465 case LLC_SAP_SNAP:
466 rx_ind_size = priv->rx_size - 6;
467 skb = dev_alloc_skb(rx_ind_size);
468 if (!skb) {
469 priv->nstats.rx_dropped++;
470 return;
471 }
472 netdev_dbg(priv->net_dev, "SNAP, rx_ind_size = %d\n",
473 rx_ind_size);
474
475 size = ETH_ALEN * 2;
476 skb_put_data(skb, priv->rxp, size);
477
478 /* (SNAP+UI..) skip */
479
480 size = rx_ind_size - (ETH_ALEN * 2);
481 skb_put_data(skb, ð_hdr->h_proto, size);
482
483 aa1x_hdr = (struct ieee802_1x_hdr *)(priv->rxp + ETHER_HDR_SIZE);
484 break;
485 case LLC_SAP_NETBEUI:
486 rx_ind_size = (priv->rx_size + 2);
487 skb = dev_alloc_skb(rx_ind_size);
488 if (!skb) {
489 priv->nstats.rx_dropped++;
490 return;
491 }
492 netdev_dbg(priv->net_dev, "NETBEUI/NetBIOS rx_ind_size=%d\n",
493 rx_ind_size);
494
495 /* 8802/FDDI MAC copy */
496 skb_put_data(skb, priv->rxp, 12);
497
498 /* NETBEUI size add */
499 temp[0] = (((rx_ind_size - 12) >> 8) & 0xff);
500 temp[1] = ((rx_ind_size - 12) & 0xff);
501 skb_put_data(skb, temp, 2);
502
503 /* copy after Type */
504 skb_put_data(skb, priv->rxp + 12, rx_ind_size - 14);
505
506 aa1x_hdr = (struct ieee802_1x_hdr *)(priv->rxp + 14);
507 break;
508 default: /* other rx data */
509 netdev_err(priv->net_dev, "invalid data format\n");
510 priv->nstats.rx_errors++;
511 return;
512 }
513
514 if (aa1x_hdr->type == IEEE802_1X_TYPE_EAPOL_KEY &&
515 priv->wpa.rsn_enabled)
516 atomic_set(&priv->psstatus.snooze_guard, 1);
517
518 /* rx indication */
519 skb->dev = priv->net_dev;
520 skb->protocol = eth_type_trans(skb, skb->dev);
521 priv->nstats.rx_packets++;
522 priv->nstats.rx_bytes += rx_ind_size;
523 netif_rx(skb);
524 }
525
526 static
hostif_mib_get_confirm(struct ks_wlan_private * priv)527 void hostif_mib_get_confirm(struct ks_wlan_private *priv)
528 {
529 struct net_device *dev = priv->net_dev;
530 u32 mib_status;
531 u32 mib_attribute;
532 u16 mib_val_size;
533 u16 mib_val_type;
534
535 mib_status = get_dword(priv);
536 mib_attribute = get_dword(priv);
537 mib_val_size = get_word(priv);
538 mib_val_type = get_word(priv);
539
540 if (mib_status) {
541 netdev_err(priv->net_dev, "attribute=%08X, status=%08X\n",
542 mib_attribute, mib_status);
543 return;
544 }
545
546 switch (mib_attribute) {
547 case DOT11_MAC_ADDRESS:
548 hostif_sme_enqueue(priv, SME_GET_MAC_ADDRESS);
549 ether_addr_copy(priv->eth_addr, priv->rxp);
550 priv->mac_address_valid = true;
551 ether_addr_copy(dev->dev_addr, priv->eth_addr);
552 netdev_info(dev, "MAC ADDRESS = %pM\n", priv->eth_addr);
553 break;
554 case DOT11_PRODUCT_VERSION:
555 priv->version_size = priv->rx_size;
556 memcpy(priv->firmware_version, priv->rxp, priv->rx_size);
557 priv->firmware_version[priv->rx_size] = '\0';
558 netdev_info(dev, "firmware ver. = %s\n",
559 priv->firmware_version);
560 hostif_sme_enqueue(priv, SME_GET_PRODUCT_VERSION);
561 /* wake_up_interruptible_all(&priv->confirm_wait); */
562 complete(&priv->confirm_wait);
563 break;
564 case LOCAL_GAIN:
565 memcpy(&priv->gain, priv->rxp, sizeof(priv->gain));
566 netdev_dbg(priv->net_dev, "tx_mode=%d, rx_mode=%d, tx_gain=%d, rx_gain=%d\n",
567 priv->gain.tx_mode, priv->gain.rx_mode,
568 priv->gain.tx_gain, priv->gain.rx_gain);
569 break;
570 case LOCAL_EEPROM_SUM:
571 memcpy(&priv->eeprom_sum, priv->rxp, sizeof(priv->eeprom_sum));
572 if (priv->eeprom_sum.type != 0 &&
573 priv->eeprom_sum.type != 1) {
574 netdev_err(dev, "LOCAL_EEPROM_SUM error!\n");
575 return;
576 }
577 priv->eeprom_checksum = (priv->eeprom_sum.type == 0) ?
578 EEPROM_CHECKSUM_NONE :
579 (priv->eeprom_sum.result == 0) ?
580 EEPROM_NG : EEPROM_OK;
581 break;
582 default:
583 netdev_err(priv->net_dev, "mib_attribute=%08x\n",
584 (unsigned int)mib_attribute);
585 break;
586 }
587 }
588
589 static
hostif_mib_set_confirm(struct ks_wlan_private * priv)590 void hostif_mib_set_confirm(struct ks_wlan_private *priv)
591 {
592 u32 mib_status;
593 u32 mib_attribute;
594
595 mib_status = get_dword(priv);
596 mib_attribute = get_dword(priv);
597
598 if (mib_status) {
599 /* in case of error */
600 netdev_err(priv->net_dev, "error :: attribute=%08X, status=%08X\n",
601 mib_attribute, mib_status);
602 }
603
604 switch (mib_attribute) {
605 case DOT11_RTS_THRESHOLD:
606 hostif_sme_enqueue(priv, SME_RTS_THRESHOLD_CONFIRM);
607 break;
608 case DOT11_FRAGMENTATION_THRESHOLD:
609 hostif_sme_enqueue(priv, SME_FRAGMENTATION_THRESHOLD_CONFIRM);
610 break;
611 case DOT11_WEP_DEFAULT_KEY_ID:
612 if (!priv->wpa.wpa_enabled)
613 hostif_sme_enqueue(priv, SME_WEP_INDEX_CONFIRM);
614 break;
615 case DOT11_WEP_DEFAULT_KEY_VALUE1:
616 if (priv->wpa.rsn_enabled)
617 hostif_sme_enqueue(priv, SME_SET_PMK_TSC);
618 else
619 hostif_sme_enqueue(priv, SME_WEP_KEY1_CONFIRM);
620 break;
621 case DOT11_WEP_DEFAULT_KEY_VALUE2:
622 if (priv->wpa.rsn_enabled)
623 hostif_sme_enqueue(priv, SME_SET_GMK1_TSC);
624 else
625 hostif_sme_enqueue(priv, SME_WEP_KEY2_CONFIRM);
626 break;
627 case DOT11_WEP_DEFAULT_KEY_VALUE3:
628 if (priv->wpa.rsn_enabled)
629 hostif_sme_enqueue(priv, SME_SET_GMK2_TSC);
630 else
631 hostif_sme_enqueue(priv, SME_WEP_KEY3_CONFIRM);
632 break;
633 case DOT11_WEP_DEFAULT_KEY_VALUE4:
634 if (!priv->wpa.rsn_enabled)
635 hostif_sme_enqueue(priv, SME_WEP_KEY4_CONFIRM);
636 break;
637 case DOT11_PRIVACY_INVOKED:
638 if (!priv->wpa.rsn_enabled)
639 hostif_sme_enqueue(priv, SME_WEP_FLAG_CONFIRM);
640 break;
641 case DOT11_RSN_ENABLED:
642 hostif_sme_enqueue(priv, SME_RSN_ENABLED_CONFIRM);
643 break;
644 case LOCAL_RSN_MODE:
645 hostif_sme_enqueue(priv, SME_RSN_MODE_CONFIRM);
646 break;
647 case LOCAL_MULTICAST_ADDRESS:
648 hostif_sme_enqueue(priv, SME_MULTICAST_REQUEST);
649 break;
650 case LOCAL_MULTICAST_FILTER:
651 hostif_sme_enqueue(priv, SME_MULTICAST_CONFIRM);
652 break;
653 case LOCAL_CURRENTADDRESS:
654 priv->mac_address_valid = true;
655 break;
656 case DOT11_RSN_CONFIG_MULTICAST_CIPHER:
657 hostif_sme_enqueue(priv, SME_RSN_MCAST_CONFIRM);
658 break;
659 case DOT11_RSN_CONFIG_UNICAST_CIPHER:
660 hostif_sme_enqueue(priv, SME_RSN_UCAST_CONFIRM);
661 break;
662 case DOT11_RSN_CONFIG_AUTH_SUITE:
663 hostif_sme_enqueue(priv, SME_RSN_AUTH_CONFIRM);
664 break;
665 case DOT11_GMK1_TSC:
666 if (atomic_read(&priv->psstatus.snooze_guard))
667 atomic_set(&priv->psstatus.snooze_guard, 0);
668 break;
669 case DOT11_GMK2_TSC:
670 if (atomic_read(&priv->psstatus.snooze_guard))
671 atomic_set(&priv->psstatus.snooze_guard, 0);
672 break;
673 case DOT11_PMK_TSC:
674 case LOCAL_PMK:
675 case LOCAL_GAIN:
676 case LOCAL_WPS_ENABLE:
677 case LOCAL_WPS_PROBE_REQ:
678 case LOCAL_REGION:
679 default:
680 break;
681 }
682 }
683
684 static
hostif_power_mgmt_confirm(struct ks_wlan_private * priv)685 void hostif_power_mgmt_confirm(struct ks_wlan_private *priv)
686 {
687 if (priv->reg.power_mgmt > POWER_MGMT_ACTIVE &&
688 priv->reg.operation_mode == MODE_INFRASTRUCTURE) {
689 atomic_set(&priv->psstatus.confirm_wait, 0);
690 priv->dev_state = DEVICE_STATE_SLEEP;
691 ks_wlan_hw_power_save(priv);
692 } else {
693 priv->dev_state = DEVICE_STATE_READY;
694 }
695 }
696
697 static
hostif_sleep_confirm(struct ks_wlan_private * priv)698 void hostif_sleep_confirm(struct ks_wlan_private *priv)
699 {
700 atomic_set(&priv->sleepstatus.doze_request, 1);
701 queue_delayed_work(priv->wq, &priv->rw_dwork, 1);
702 }
703
704 static
hostif_start_confirm(struct ks_wlan_private * priv)705 void hostif_start_confirm(struct ks_wlan_private *priv)
706 {
707 union iwreq_data wrqu;
708
709 wrqu.data.length = 0;
710 wrqu.data.flags = 0;
711 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
712 if (is_connect_status(priv->connect_status)) {
713 eth_zero_addr(wrqu.ap_addr.sa_data);
714 wireless_send_event(priv->net_dev, SIOCGIWAP, &wrqu, NULL);
715 }
716 netdev_dbg(priv->net_dev, " scan_ind_count=%d\n", priv->scan_ind_count);
717 hostif_sme_enqueue(priv, SME_START_CONFIRM);
718 }
719
720 static
hostif_connect_indication(struct ks_wlan_private * priv)721 void hostif_connect_indication(struct ks_wlan_private *priv)
722 {
723 u16 connect_code;
724 unsigned int tmp = 0;
725 unsigned int old_status = priv->connect_status;
726 struct net_device *netdev = priv->net_dev;
727 union iwreq_data wrqu0;
728
729 connect_code = get_word(priv);
730
731 switch (connect_code) {
732 case RESULT_CONNECT:
733 if (!(priv->connect_status & FORCE_DISCONNECT))
734 netif_carrier_on(netdev);
735 tmp = FORCE_DISCONNECT & priv->connect_status;
736 priv->connect_status = tmp + CONNECT_STATUS;
737 break;
738 case RESULT_DISCONNECT:
739 netif_carrier_off(netdev);
740 tmp = FORCE_DISCONNECT & priv->connect_status;
741 priv->connect_status = tmp + DISCONNECT_STATUS;
742 break;
743 default:
744 netdev_dbg(priv->net_dev, "unknown connect_code=%d :: scan_ind_count=%d\n",
745 connect_code, priv->scan_ind_count);
746 netif_carrier_off(netdev);
747 tmp = FORCE_DISCONNECT & priv->connect_status;
748 priv->connect_status = tmp + DISCONNECT_STATUS;
749 break;
750 }
751
752 get_current_ap(priv, (struct link_ap_info *)priv->rxp);
753 if (is_connect_status(priv->connect_status) &&
754 is_disconnect_status(old_status)) {
755 /* for power save */
756 atomic_set(&priv->psstatus.snooze_guard, 0);
757 atomic_set(&priv->psstatus.confirm_wait, 0);
758 }
759 ks_wlan_do_power_save(priv);
760
761 wrqu0.data.length = 0;
762 wrqu0.data.flags = 0;
763 wrqu0.ap_addr.sa_family = ARPHRD_ETHER;
764 if (is_disconnect_status(priv->connect_status) &&
765 is_connect_status(old_status)) {
766 eth_zero_addr(wrqu0.ap_addr.sa_data);
767 netdev_dbg(priv->net_dev, "disconnect :: scan_ind_count=%d\n",
768 priv->scan_ind_count);
769 wireless_send_event(netdev, SIOCGIWAP, &wrqu0, NULL);
770 }
771 priv->scan_ind_count = 0;
772 }
773
774 static
hostif_scan_indication(struct ks_wlan_private * priv)775 void hostif_scan_indication(struct ks_wlan_private *priv)
776 {
777 int i;
778 struct ap_info *ap_info;
779
780 netdev_dbg(priv->net_dev,
781 "scan_ind_count = %d\n", priv->scan_ind_count);
782 ap_info = (struct ap_info *)(priv->rxp);
783
784 if (priv->scan_ind_count) {
785 /* bssid check */
786 for (i = 0; i < priv->aplist.size; i++) {
787 u8 *bssid = priv->aplist.ap[i].bssid;
788
789 if (ether_addr_equal(ap_info->bssid, bssid))
790 continue;
791
792 if (ap_info->frame_type == IEEE80211_STYPE_PROBE_RESP)
793 get_ap_information(priv, ap_info,
794 &priv->aplist.ap[i]);
795 return;
796 }
797 }
798 priv->scan_ind_count++;
799 if (priv->scan_ind_count < LOCAL_APLIST_MAX + 1) {
800 netdev_dbg(priv->net_dev, " scan_ind_count=%d :: aplist.size=%d\n",
801 priv->scan_ind_count, priv->aplist.size);
802 get_ap_information(priv, (struct ap_info *)(priv->rxp),
803 &priv->aplist.ap[priv->scan_ind_count - 1]);
804 priv->aplist.size = priv->scan_ind_count;
805 } else {
806 netdev_dbg(priv->net_dev, " count over :: scan_ind_count=%d\n",
807 priv->scan_ind_count);
808 }
809 }
810
811 static
hostif_stop_confirm(struct ks_wlan_private * priv)812 void hostif_stop_confirm(struct ks_wlan_private *priv)
813 {
814 unsigned int tmp = 0;
815 unsigned int old_status = priv->connect_status;
816 struct net_device *netdev = priv->net_dev;
817 union iwreq_data wrqu0;
818
819 if (priv->dev_state == DEVICE_STATE_SLEEP)
820 priv->dev_state = DEVICE_STATE_READY;
821
822 /* disconnect indication */
823 if (is_connect_status(priv->connect_status)) {
824 netif_carrier_off(netdev);
825 tmp = FORCE_DISCONNECT & priv->connect_status;
826 priv->connect_status = tmp | DISCONNECT_STATUS;
827 netdev_info(netdev, "IWEVENT: disconnect\n");
828
829 wrqu0.data.length = 0;
830 wrqu0.data.flags = 0;
831 wrqu0.ap_addr.sa_family = ARPHRD_ETHER;
832 if (is_disconnect_status(priv->connect_status) &&
833 is_connect_status(old_status)) {
834 eth_zero_addr(wrqu0.ap_addr.sa_data);
835 netdev_info(netdev, "IWEVENT: disconnect\n");
836 wireless_send_event(netdev, SIOCGIWAP, &wrqu0, NULL);
837 }
838 priv->scan_ind_count = 0;
839 }
840
841 hostif_sme_enqueue(priv, SME_STOP_CONFIRM);
842 }
843
844 static
hostif_ps_adhoc_set_confirm(struct ks_wlan_private * priv)845 void hostif_ps_adhoc_set_confirm(struct ks_wlan_private *priv)
846 {
847 priv->infra_status = 0; /* infrastructure mode cancel */
848 hostif_sme_enqueue(priv, SME_MODE_SET_CONFIRM);
849 }
850
851 static
hostif_infrastructure_set_confirm(struct ks_wlan_private * priv)852 void hostif_infrastructure_set_confirm(struct ks_wlan_private *priv)
853 {
854 u16 result_code;
855
856 result_code = get_word(priv);
857 priv->infra_status = 1; /* infrastructure mode set */
858 hostif_sme_enqueue(priv, SME_MODE_SET_CONFIRM);
859 }
860
861 static
hostif_adhoc_set_confirm(struct ks_wlan_private * priv)862 void hostif_adhoc_set_confirm(struct ks_wlan_private *priv)
863 {
864 priv->infra_status = 1; /* infrastructure mode set */
865 hostif_sme_enqueue(priv, SME_MODE_SET_CONFIRM);
866 }
867
868 static
hostif_associate_indication(struct ks_wlan_private * priv)869 void hostif_associate_indication(struct ks_wlan_private *priv)
870 {
871 struct association_request *assoc_req;
872 struct association_response *assoc_resp;
873 unsigned char *pb;
874 union iwreq_data wrqu;
875 char buf[IW_CUSTOM_MAX];
876 char *pbuf = &buf[0];
877 int i;
878
879 static const char associnfo_leader0[] = "ASSOCINFO(ReqIEs=";
880 static const char associnfo_leader1[] = " RespIEs=";
881
882 assoc_req = (struct association_request *)(priv->rxp);
883 assoc_resp = (struct association_response *)(assoc_req + 1);
884 pb = (unsigned char *)(assoc_resp + 1);
885
886 memset(&wrqu, 0, sizeof(wrqu));
887 memcpy(pbuf, associnfo_leader0, sizeof(associnfo_leader0) - 1);
888 wrqu.data.length += sizeof(associnfo_leader0) - 1;
889 pbuf += sizeof(associnfo_leader0) - 1;
890
891 for (i = 0; i < le16_to_cpu(assoc_req->req_ies_size); i++)
892 pbuf += sprintf(pbuf, "%02x", *(pb + i));
893 wrqu.data.length += (le16_to_cpu(assoc_req->req_ies_size)) * 2;
894
895 memcpy(pbuf, associnfo_leader1, sizeof(associnfo_leader1) - 1);
896 wrqu.data.length += sizeof(associnfo_leader1) - 1;
897 pbuf += sizeof(associnfo_leader1) - 1;
898
899 pb += le16_to_cpu(assoc_req->req_ies_size);
900 for (i = 0; i < le16_to_cpu(assoc_resp->resp_ies_size); i++)
901 pbuf += sprintf(pbuf, "%02x", *(pb + i));
902 wrqu.data.length += (le16_to_cpu(assoc_resp->resp_ies_size)) * 2;
903
904 pbuf += sprintf(pbuf, ")");
905 wrqu.data.length += 1;
906
907 wireless_send_event(priv->net_dev, IWEVCUSTOM, &wrqu, buf);
908 }
909
910 static
hostif_bss_scan_confirm(struct ks_wlan_private * priv)911 void hostif_bss_scan_confirm(struct ks_wlan_private *priv)
912 {
913 u32 result_code;
914 struct net_device *dev = priv->net_dev;
915 union iwreq_data wrqu;
916
917 result_code = get_dword(priv);
918 netdev_dbg(priv->net_dev, "result=%d :: scan_ind_count=%d\n",
919 result_code, priv->scan_ind_count);
920
921 priv->sme_i.sme_flag &= ~SME_AP_SCAN;
922 hostif_sme_enqueue(priv, SME_BSS_SCAN_CONFIRM);
923
924 wrqu.data.length = 0;
925 wrqu.data.flags = 0;
926 wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL);
927 priv->scan_ind_count = 0;
928 }
929
930 static
hostif_phy_information_confirm(struct ks_wlan_private * priv)931 void hostif_phy_information_confirm(struct ks_wlan_private *priv)
932 {
933 struct iw_statistics *wstats = &priv->wstats;
934 u8 rssi, signal, noise;
935 u8 link_speed;
936 u32 transmitted_frame_count, received_fragment_count;
937 u32 failed_count, fcs_error_count;
938
939 rssi = get_byte(priv);
940 signal = get_byte(priv);
941 noise = get_byte(priv);
942 link_speed = get_byte(priv);
943 transmitted_frame_count = get_dword(priv);
944 received_fragment_count = get_dword(priv);
945 failed_count = get_dword(priv);
946 fcs_error_count = get_dword(priv);
947
948 netdev_dbg(priv->net_dev, "phyinfo confirm rssi=%d signal=%d\n",
949 rssi, signal);
950 priv->current_rate = (link_speed & RATE_MASK);
951 wstats->qual.qual = signal;
952 wstats->qual.level = 256 - rssi;
953 wstats->qual.noise = 0; /* invalid noise value */
954 wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
955
956 netdev_dbg(priv->net_dev, "\n rssi=%u\n"
957 " signal=%u\n"
958 " link_speed=%ux500Kbps\n"
959 " transmitted_frame_count=%u\n"
960 " received_fragment_count=%u\n"
961 " failed_count=%u\n"
962 " fcs_error_count=%u\n",
963 rssi, signal, link_speed, transmitted_frame_count,
964 received_fragment_count, failed_count, fcs_error_count);
965 /* wake_up_interruptible_all(&priv->confirm_wait); */
966 complete(&priv->confirm_wait);
967 }
968
969 static
hostif_mic_failure_confirm(struct ks_wlan_private * priv)970 void hostif_mic_failure_confirm(struct ks_wlan_private *priv)
971 {
972 netdev_dbg(priv->net_dev, "mic_failure=%u\n",
973 priv->wpa.mic_failure.failure);
974 hostif_sme_enqueue(priv, SME_MIC_FAILURE_CONFIRM);
975 }
976
977 static
hostif_event_check(struct ks_wlan_private * priv)978 void hostif_event_check(struct ks_wlan_private *priv)
979 {
980 u16 event;
981
982 event = get_word(priv);
983 switch (event) {
984 case HIF_DATA_IND:
985 hostif_data_indication(priv);
986 break;
987 case HIF_MIB_GET_CONF:
988 hostif_mib_get_confirm(priv);
989 break;
990 case HIF_MIB_SET_CONF:
991 hostif_mib_set_confirm(priv);
992 break;
993 case HIF_POWER_MGMT_CONF:
994 hostif_power_mgmt_confirm(priv);
995 break;
996 case HIF_SLEEP_CONF:
997 hostif_sleep_confirm(priv);
998 break;
999 case HIF_START_CONF:
1000 hostif_start_confirm(priv);
1001 break;
1002 case HIF_CONNECT_IND:
1003 hostif_connect_indication(priv);
1004 break;
1005 case HIF_STOP_CONF:
1006 hostif_stop_confirm(priv);
1007 break;
1008 case HIF_PS_ADH_SET_CONF:
1009 hostif_ps_adhoc_set_confirm(priv);
1010 break;
1011 case HIF_INFRA_SET_CONF:
1012 case HIF_INFRA_SET2_CONF:
1013 hostif_infrastructure_set_confirm(priv);
1014 break;
1015 case HIF_ADH_SET_CONF:
1016 case HIF_ADH_SET2_CONF:
1017 hostif_adhoc_set_confirm(priv);
1018 break;
1019 case HIF_ASSOC_INFO_IND:
1020 hostif_associate_indication(priv);
1021 break;
1022 case HIF_MIC_FAILURE_CONF:
1023 hostif_mic_failure_confirm(priv);
1024 break;
1025 case HIF_SCAN_CONF:
1026 hostif_bss_scan_confirm(priv);
1027 break;
1028 case HIF_PHY_INFO_CONF:
1029 case HIF_PHY_INFO_IND:
1030 hostif_phy_information_confirm(priv);
1031 break;
1032 case HIF_SCAN_IND:
1033 hostif_scan_indication(priv);
1034 break;
1035 case HIF_AP_SET_CONF:
1036 default:
1037 netdev_err(priv->net_dev, "undefined event[%04X]\n", event);
1038 /* wake_up_all(&priv->confirm_wait); */
1039 complete(&priv->confirm_wait);
1040 break;
1041 }
1042
1043 /* add event to hostt buffer */
1044 priv->hostt.buff[priv->hostt.qtail] = event;
1045 priv->hostt.qtail = (priv->hostt.qtail + 1) % SME_EVENT_BUFF_SIZE;
1046 }
1047
1048 /* allocate size bytes, set header size and event */
hostif_generic_request(size_t size,int event)1049 static void *hostif_generic_request(size_t size, int event)
1050 {
1051 struct hostif_hdr *p;
1052
1053 p = kzalloc(hif_align_size(size), GFP_ATOMIC);
1054 if (!p)
1055 return NULL;
1056
1057 p->size = cpu_to_le16(size - sizeof(p->size));
1058 p->event = cpu_to_le16(event);
1059
1060 return p;
1061 }
1062
hostif_data_request(struct ks_wlan_private * priv,struct sk_buff * skb)1063 int hostif_data_request(struct ks_wlan_private *priv, struct sk_buff *skb)
1064 {
1065 unsigned int skb_len = 0;
1066 unsigned char *buffer = NULL;
1067 unsigned int length = 0;
1068 struct hostif_data_request *pp;
1069 unsigned char *p;
1070 unsigned short eth_proto;
1071 struct ether_hdr *eth_hdr;
1072 unsigned short keyinfo = 0;
1073 struct ieee802_1x_hdr *aa1x_hdr;
1074 struct wpa_eapol_key *eap_key;
1075 struct ethhdr *eth;
1076 size_t size;
1077 int ret;
1078
1079 skb_len = skb->len;
1080 if (skb_len > ETH_FRAME_LEN) {
1081 netdev_err(priv->net_dev, "bad length skb_len=%d\n", skb_len);
1082 ret = -EOVERFLOW;
1083 goto err_kfree_skb;
1084 }
1085
1086 if (is_disconnect_status(priv->connect_status) ||
1087 (priv->connect_status & FORCE_DISCONNECT) ||
1088 priv->wpa.mic_failure.stop) {
1089 if (netif_queue_stopped(priv->net_dev))
1090 netif_wake_queue(priv->net_dev);
1091
1092 dev_kfree_skb(skb);
1093
1094 return 0;
1095 }
1096
1097 /* power save wakeup */
1098 if (atomic_read(&priv->psstatus.status) == PS_SNOOZE) {
1099 if (!netif_queue_stopped(priv->net_dev))
1100 netif_stop_queue(priv->net_dev);
1101 }
1102
1103 size = sizeof(*pp) + 6 + skb_len + 8;
1104 pp = kmalloc(hif_align_size(size), GFP_ATOMIC);
1105 if (!pp) {
1106 ret = -ENOMEM;
1107 goto err_kfree_skb;
1108 }
1109
1110 p = (unsigned char *)pp->data;
1111
1112 buffer = skb->data;
1113 length = skb->len;
1114
1115 /* skb check */
1116 eth = (struct ethhdr *)skb->data;
1117 if (!ether_addr_equal(&priv->eth_addr[0], eth->h_source)) {
1118 netdev_err(priv->net_dev,
1119 "Invalid mac address: ethernet->h_source=%pM\n",
1120 eth->h_source);
1121 ret = -ENXIO;
1122 goto err_kfree;
1123 }
1124
1125 /* dest and src MAC address copy */
1126 size = ETH_ALEN * 2;
1127 memcpy(p, buffer, size);
1128 p += size;
1129 buffer += size;
1130 length -= size;
1131
1132 /* EtherType/Length check */
1133 if (*(buffer + 1) + (*buffer << 8) > 1500) {
1134 /* ProtocolEAP = *(buffer+1) + (*buffer << 8); */
1135 /* SAP/CTL/OUI(6 byte) add */
1136 *p++ = 0xAA; /* DSAP */
1137 *p++ = 0xAA; /* SSAP */
1138 *p++ = 0x03; /* CTL */
1139 *p++ = 0x00; /* OUI ("000000") */
1140 *p++ = 0x00; /* OUI ("000000") */
1141 *p++ = 0x00; /* OUI ("000000") */
1142 skb_len += 6;
1143 } else {
1144 /* Length(2 byte) delete */
1145 buffer += 2;
1146 length -= 2;
1147 skb_len -= 2;
1148 }
1149
1150 /* pp->data copy */
1151 memcpy(p, buffer, length);
1152
1153 p += length;
1154
1155 /* for WPA */
1156 eth_hdr = (struct ether_hdr *)&pp->data[0];
1157 eth_proto = ntohs(eth_hdr->h_proto);
1158
1159 /* for MIC FAILURE REPORT check */
1160 if (eth_proto == ETH_P_PAE &&
1161 priv->wpa.mic_failure.failure > 0) {
1162 aa1x_hdr = (struct ieee802_1x_hdr *)(eth_hdr + 1);
1163 if (aa1x_hdr->type == IEEE802_1X_TYPE_EAPOL_KEY) {
1164 eap_key = (struct wpa_eapol_key *)(aa1x_hdr + 1);
1165 keyinfo = ntohs(eap_key->key_info);
1166 }
1167 }
1168
1169 if (priv->wpa.rsn_enabled && priv->wpa.key[0].key_len) {
1170 /* no encryption */
1171 if (eth_proto == ETH_P_PAE &&
1172 priv->wpa.key[1].key_len == 0 &&
1173 priv->wpa.key[2].key_len == 0 &&
1174 priv->wpa.key[3].key_len == 0) {
1175 pp->auth_type = cpu_to_le16(TYPE_AUTH);
1176 } else {
1177 if (priv->wpa.pairwise_suite == IW_AUTH_CIPHER_TKIP) {
1178 u8 mic[MICHAEL_MIC_LEN];
1179
1180 ret = michael_mic(priv->wpa.key[0].tx_mic_key,
1181 &pp->data[0], skb_len,
1182 0, mic);
1183 if (ret < 0)
1184 goto err_kfree;
1185
1186 memcpy(p, mic, sizeof(mic));
1187 length += sizeof(mic);
1188 skb_len += sizeof(mic);
1189 p += sizeof(mic);
1190 pp->auth_type =
1191 cpu_to_le16(TYPE_DATA);
1192 } else if (priv->wpa.pairwise_suite ==
1193 IW_AUTH_CIPHER_CCMP) {
1194 pp->auth_type =
1195 cpu_to_le16(TYPE_DATA);
1196 }
1197 }
1198 } else {
1199 if (eth_proto == ETH_P_PAE)
1200 pp->auth_type = cpu_to_le16(TYPE_AUTH);
1201 else
1202 pp->auth_type = cpu_to_le16(TYPE_DATA);
1203 }
1204
1205 /* header value set */
1206 pp->header.size =
1207 cpu_to_le16((sizeof(*pp) - sizeof(pp->header.size) + skb_len));
1208 pp->header.event = cpu_to_le16(HIF_DATA_REQ);
1209
1210 /* tx request */
1211 ret = ks_wlan_hw_tx(priv, pp, hif_align_size(sizeof(*pp) + skb_len),
1212 send_packet_complete, skb);
1213
1214 /* MIC FAILURE REPORT check */
1215 if (eth_proto == ETH_P_PAE &&
1216 priv->wpa.mic_failure.failure > 0) {
1217 if (keyinfo & WPA_KEY_INFO_ERROR &&
1218 keyinfo & WPA_KEY_INFO_REQUEST) {
1219 netdev_err(priv->net_dev,
1220 "MIC ERROR Report SET : %04X\n", keyinfo);
1221 hostif_sme_enqueue(priv, SME_MIC_FAILURE_REQUEST);
1222 }
1223 if (priv->wpa.mic_failure.failure == 2)
1224 priv->wpa.mic_failure.stop = 1;
1225 }
1226
1227 return ret;
1228
1229 err_kfree:
1230 kfree(pp);
1231 err_kfree_skb:
1232 dev_kfree_skb(skb);
1233
1234 return ret;
1235 }
1236
ps_confirm_wait_inc(struct ks_wlan_private * priv)1237 static inline void ps_confirm_wait_inc(struct ks_wlan_private *priv)
1238 {
1239 if (atomic_read(&priv->psstatus.status) > PS_ACTIVE_SET)
1240 atomic_inc(&priv->psstatus.confirm_wait);
1241 }
1242
send_request_to_device(struct ks_wlan_private * priv,void * data,size_t size)1243 static inline void send_request_to_device(struct ks_wlan_private *priv,
1244 void *data, size_t size)
1245 {
1246 ps_confirm_wait_inc(priv);
1247 ks_wlan_hw_tx(priv, data, size, NULL, NULL);
1248 }
1249
hostif_mib_get_request(struct ks_wlan_private * priv,u32 mib_attribute)1250 static void hostif_mib_get_request(struct ks_wlan_private *priv,
1251 u32 mib_attribute)
1252 {
1253 struct hostif_mib_get_request *pp;
1254
1255 pp = hostif_generic_request(sizeof(*pp), HIF_MIB_GET_REQ);
1256 if (!pp)
1257 return;
1258
1259 pp->mib_attribute = cpu_to_le32(mib_attribute);
1260
1261 send_request_to_device(priv, pp, hif_align_size(sizeof(*pp)));
1262 }
1263
hostif_mib_set_request(struct ks_wlan_private * priv,enum mib_attribute attr,enum mib_data_type type,void * data,size_t size)1264 static void hostif_mib_set_request(struct ks_wlan_private *priv,
1265 enum mib_attribute attr,
1266 enum mib_data_type type,
1267 void *data, size_t size)
1268 {
1269 struct hostif_mib_set_request_t *pp;
1270
1271 if (priv->dev_state < DEVICE_STATE_BOOT)
1272 return;
1273
1274 pp = hostif_generic_request(sizeof(*pp), HIF_MIB_SET_REQ);
1275 if (!pp)
1276 return;
1277
1278 pp->mib_attribute = cpu_to_le32(attr);
1279 pp->mib_value.size = cpu_to_le16(size);
1280 pp->mib_value.type = cpu_to_le16(type);
1281 memcpy(&pp->mib_value.body, data, size);
1282
1283 send_request_to_device(priv, pp, hif_align_size(sizeof(*pp) + size));
1284 }
1285
hostif_mib_set_request_int(struct ks_wlan_private * priv,enum mib_attribute attr,int val)1286 static inline void hostif_mib_set_request_int(struct ks_wlan_private *priv,
1287 enum mib_attribute attr, int val)
1288 {
1289 __le32 v = cpu_to_le32(val);
1290 size_t size = sizeof(v);
1291
1292 hostif_mib_set_request(priv, attr, MIB_VALUE_TYPE_INT, &v, size);
1293 }
1294
hostif_mib_set_request_bool(struct ks_wlan_private * priv,enum mib_attribute attr,bool val)1295 static inline void hostif_mib_set_request_bool(struct ks_wlan_private *priv,
1296 enum mib_attribute attr,
1297 bool val)
1298 {
1299 __le32 v = cpu_to_le32(val);
1300 size_t size = sizeof(v);
1301
1302 hostif_mib_set_request(priv, attr, MIB_VALUE_TYPE_BOOL, &v, size);
1303 }
1304
hostif_mib_set_request_ostring(struct ks_wlan_private * priv,enum mib_attribute attr,void * data,size_t size)1305 static inline void hostif_mib_set_request_ostring(struct ks_wlan_private *priv,
1306 enum mib_attribute attr,
1307 void *data, size_t size)
1308 {
1309 hostif_mib_set_request(priv, attr, MIB_VALUE_TYPE_OSTRING, data, size);
1310 }
1311
1312 static
hostif_start_request(struct ks_wlan_private * priv,unsigned char mode)1313 void hostif_start_request(struct ks_wlan_private *priv, unsigned char mode)
1314 {
1315 struct hostif_start_request *pp;
1316
1317 pp = hostif_generic_request(sizeof(*pp), HIF_START_REQ);
1318 if (!pp)
1319 return;
1320
1321 pp->mode = cpu_to_le16(mode);
1322
1323 send_request_to_device(priv, pp, hif_align_size(sizeof(*pp)));
1324
1325 priv->aplist.size = 0;
1326 priv->scan_ind_count = 0;
1327 }
1328
ks_wlan_cap(struct ks_wlan_private * priv)1329 static __le16 ks_wlan_cap(struct ks_wlan_private *priv)
1330 {
1331 u16 capability = 0x0000;
1332
1333 if (priv->reg.preamble == SHORT_PREAMBLE)
1334 capability |= WLAN_CAPABILITY_SHORT_PREAMBLE;
1335
1336 capability &= ~(WLAN_CAPABILITY_PBCC); /* pbcc not support */
1337
1338 if (priv->reg.phy_type != D_11B_ONLY_MODE) {
1339 capability |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
1340 capability &= ~(WLAN_CAPABILITY_DSSS_OFDM);
1341 }
1342
1343 return cpu_to_le16(capability);
1344 }
1345
init_request(struct ks_wlan_private * priv,struct hostif_request * req)1346 static void init_request(struct ks_wlan_private *priv,
1347 struct hostif_request *req)
1348 {
1349 req->phy_type = cpu_to_le16(priv->reg.phy_type);
1350 req->cts_mode = cpu_to_le16(priv->reg.cts_mode);
1351 req->scan_type = cpu_to_le16(priv->reg.scan_type);
1352 req->rate_set.size = priv->reg.rate_set.size;
1353 req->capability = ks_wlan_cap(priv);
1354 memcpy(&req->rate_set.body[0], &priv->reg.rate_set.body[0],
1355 priv->reg.rate_set.size);
1356 }
1357
1358 static
hostif_ps_adhoc_set_request(struct ks_wlan_private * priv)1359 void hostif_ps_adhoc_set_request(struct ks_wlan_private *priv)
1360 {
1361 struct hostif_ps_adhoc_set_request *pp;
1362
1363 pp = hostif_generic_request(sizeof(*pp), HIF_PS_ADH_SET_REQ);
1364 if (!pp)
1365 return;
1366
1367 init_request(priv, &pp->request);
1368 pp->channel = cpu_to_le16(priv->reg.channel);
1369
1370 send_request_to_device(priv, pp, hif_align_size(sizeof(*pp)));
1371 }
1372
1373 static
hostif_infrastructure_set_request(struct ks_wlan_private * priv,int event)1374 void hostif_infrastructure_set_request(struct ks_wlan_private *priv, int event)
1375 {
1376 struct hostif_infrastructure_set_request *pp;
1377
1378 pp = hostif_generic_request(sizeof(*pp), event);
1379 if (!pp)
1380 return;
1381
1382 init_request(priv, &pp->request);
1383 pp->ssid.size = priv->reg.ssid.size;
1384 memcpy(&pp->ssid.body[0], &priv->reg.ssid.body[0], priv->reg.ssid.size);
1385 pp->beacon_lost_count =
1386 cpu_to_le16(priv->reg.beacon_lost_count);
1387 pp->auth_type = cpu_to_le16(priv->reg.authenticate_type);
1388
1389 pp->channel_list.body[0] = 1;
1390 pp->channel_list.body[1] = 8;
1391 pp->channel_list.body[2] = 2;
1392 pp->channel_list.body[3] = 9;
1393 pp->channel_list.body[4] = 3;
1394 pp->channel_list.body[5] = 10;
1395 pp->channel_list.body[6] = 4;
1396 pp->channel_list.body[7] = 11;
1397 pp->channel_list.body[8] = 5;
1398 pp->channel_list.body[9] = 12;
1399 pp->channel_list.body[10] = 6;
1400 pp->channel_list.body[11] = 13;
1401 pp->channel_list.body[12] = 7;
1402 if (priv->reg.phy_type == D_11G_ONLY_MODE) {
1403 pp->channel_list.size = 13;
1404 } else {
1405 pp->channel_list.body[13] = 14;
1406 pp->channel_list.size = 14;
1407 }
1408
1409 send_request_to_device(priv, pp, hif_align_size(sizeof(*pp)));
1410 }
1411
1412 static
hostif_adhoc_set_request(struct ks_wlan_private * priv)1413 void hostif_adhoc_set_request(struct ks_wlan_private *priv)
1414 {
1415 struct hostif_adhoc_set_request *pp;
1416
1417 pp = hostif_generic_request(sizeof(*pp), HIF_ADH_SET_REQ);
1418 if (!pp)
1419 return;
1420
1421 init_request(priv, &pp->request);
1422 pp->channel = cpu_to_le16(priv->reg.channel);
1423 pp->ssid.size = priv->reg.ssid.size;
1424 memcpy(&pp->ssid.body[0], &priv->reg.ssid.body[0], priv->reg.ssid.size);
1425
1426 send_request_to_device(priv, pp, hif_align_size(sizeof(*pp)));
1427 }
1428
1429 static
hostif_adhoc_set2_request(struct ks_wlan_private * priv)1430 void hostif_adhoc_set2_request(struct ks_wlan_private *priv)
1431 {
1432 struct hostif_adhoc_set2_request *pp;
1433
1434 pp = hostif_generic_request(sizeof(*pp), HIF_ADH_SET_REQ);
1435 if (!pp)
1436 return;
1437
1438 init_request(priv, &pp->request);
1439 pp->ssid.size = priv->reg.ssid.size;
1440 memcpy(&pp->ssid.body[0], &priv->reg.ssid.body[0], priv->reg.ssid.size);
1441
1442 pp->channel_list.body[0] = priv->reg.channel;
1443 pp->channel_list.size = 1;
1444 memcpy(pp->bssid, priv->reg.bssid, ETH_ALEN);
1445
1446 send_request_to_device(priv, pp, hif_align_size(sizeof(*pp)));
1447 }
1448
1449 static
hostif_stop_request(struct ks_wlan_private * priv)1450 void hostif_stop_request(struct ks_wlan_private *priv)
1451 {
1452 struct hostif_stop_request *pp;
1453
1454 pp = hostif_generic_request(sizeof(*pp), HIF_STOP_REQ);
1455 if (!pp)
1456 return;
1457
1458 send_request_to_device(priv, pp, hif_align_size(sizeof(*pp)));
1459 }
1460
1461 static
hostif_phy_information_request(struct ks_wlan_private * priv)1462 void hostif_phy_information_request(struct ks_wlan_private *priv)
1463 {
1464 struct hostif_phy_information_request *pp;
1465
1466 pp = hostif_generic_request(sizeof(*pp), HIF_PHY_INFO_REQ);
1467 if (!pp)
1468 return;
1469
1470 if (priv->reg.phy_info_timer) {
1471 pp->type = cpu_to_le16(TIME_TYPE);
1472 pp->time = cpu_to_le16(priv->reg.phy_info_timer);
1473 } else {
1474 pp->type = cpu_to_le16(NORMAL_TYPE);
1475 pp->time = cpu_to_le16(0);
1476 }
1477
1478 send_request_to_device(priv, pp, hif_align_size(sizeof(*pp)));
1479 }
1480
1481 static
hostif_power_mgmt_request(struct ks_wlan_private * priv,u32 mode,u32 wake_up,u32 receive_dtims)1482 void hostif_power_mgmt_request(struct ks_wlan_private *priv,
1483 u32 mode, u32 wake_up, u32 receive_dtims)
1484 {
1485 struct hostif_power_mgmt_request *pp;
1486
1487 pp = hostif_generic_request(sizeof(*pp), HIF_POWER_MGMT_REQ);
1488 if (!pp)
1489 return;
1490
1491 pp->mode = cpu_to_le32(mode);
1492 pp->wake_up = cpu_to_le32(wake_up);
1493 pp->receive_dtims = cpu_to_le32(receive_dtims);
1494
1495 send_request_to_device(priv, pp, hif_align_size(sizeof(*pp)));
1496 }
1497
1498 static
hostif_sleep_request(struct ks_wlan_private * priv,enum sleep_mode_type mode)1499 void hostif_sleep_request(struct ks_wlan_private *priv,
1500 enum sleep_mode_type mode)
1501 {
1502 struct hostif_sleep_request *pp;
1503
1504 if (mode == SLP_SLEEP) {
1505 pp = hostif_generic_request(sizeof(*pp), HIF_SLEEP_REQ);
1506 if (!pp)
1507 return;
1508
1509 send_request_to_device(priv, pp, hif_align_size(sizeof(*pp)));
1510 } else if (mode == SLP_ACTIVE) {
1511 atomic_set(&priv->sleepstatus.wakeup_request, 1);
1512 queue_delayed_work(priv->wq, &priv->rw_dwork, 1);
1513 } else {
1514 netdev_err(priv->net_dev, "invalid mode %ld\n", (long)mode);
1515 return;
1516 }
1517 }
1518
1519 static
hostif_bss_scan_request(struct ks_wlan_private * priv,unsigned long scan_type,u8 * scan_ssid,u8 scan_ssid_len)1520 void hostif_bss_scan_request(struct ks_wlan_private *priv,
1521 unsigned long scan_type, u8 *scan_ssid,
1522 u8 scan_ssid_len)
1523 {
1524 struct hostif_bss_scan_request *pp;
1525
1526 pp = hostif_generic_request(sizeof(*pp), HIF_SCAN_REQ);
1527 if (!pp)
1528 return;
1529
1530 pp->scan_type = scan_type;
1531
1532 pp->ch_time_min = cpu_to_le32(110); /* default value */
1533 pp->ch_time_max = cpu_to_le32(130); /* default value */
1534 pp->channel_list.body[0] = 1;
1535 pp->channel_list.body[1] = 8;
1536 pp->channel_list.body[2] = 2;
1537 pp->channel_list.body[3] = 9;
1538 pp->channel_list.body[4] = 3;
1539 pp->channel_list.body[5] = 10;
1540 pp->channel_list.body[6] = 4;
1541 pp->channel_list.body[7] = 11;
1542 pp->channel_list.body[8] = 5;
1543 pp->channel_list.body[9] = 12;
1544 pp->channel_list.body[10] = 6;
1545 pp->channel_list.body[11] = 13;
1546 pp->channel_list.body[12] = 7;
1547 if (priv->reg.phy_type == D_11G_ONLY_MODE) {
1548 pp->channel_list.size = 13;
1549 } else {
1550 pp->channel_list.body[13] = 14;
1551 pp->channel_list.size = 14;
1552 }
1553 pp->ssid.size = 0;
1554
1555 /* specified SSID SCAN */
1556 if (scan_ssid_len > 0 && scan_ssid_len <= 32) {
1557 pp->ssid.size = scan_ssid_len;
1558 memcpy(&pp->ssid.body[0], scan_ssid, scan_ssid_len);
1559 }
1560
1561 send_request_to_device(priv, pp, hif_align_size(sizeof(*pp)));
1562
1563 priv->aplist.size = 0;
1564 priv->scan_ind_count = 0;
1565 }
1566
1567 static
hostif_mic_failure_request(struct ks_wlan_private * priv,u16 failure_count,u16 timer)1568 void hostif_mic_failure_request(struct ks_wlan_private *priv,
1569 u16 failure_count, u16 timer)
1570 {
1571 struct hostif_mic_failure_request *pp;
1572
1573 pp = hostif_generic_request(sizeof(*pp), HIF_MIC_FAILURE_REQ);
1574 if (!pp)
1575 return;
1576
1577 pp->failure_count = cpu_to_le16(failure_count);
1578 pp->timer = cpu_to_le16(timer);
1579
1580 send_request_to_device(priv, pp, hif_align_size(sizeof(*pp)));
1581 }
1582
1583 /* Device I/O Receive indicate */
devio_rec_ind(struct ks_wlan_private * priv,unsigned char * p,unsigned int size)1584 static void devio_rec_ind(struct ks_wlan_private *priv, unsigned char *p,
1585 unsigned int size)
1586 {
1587 if (!priv->is_device_open)
1588 return;
1589
1590 spin_lock(&priv->dev_read_lock);
1591 priv->dev_data[atomic_read(&priv->rec_count)] = p;
1592 priv->dev_size[atomic_read(&priv->rec_count)] = size;
1593
1594 if (atomic_read(&priv->event_count) != DEVICE_STOCK_COUNT) {
1595 /* rx event count inc */
1596 atomic_inc(&priv->event_count);
1597 }
1598 atomic_inc(&priv->rec_count);
1599 if (atomic_read(&priv->rec_count) == DEVICE_STOCK_COUNT)
1600 atomic_set(&priv->rec_count, 0);
1601
1602 wake_up_interruptible_all(&priv->devread_wait);
1603
1604 spin_unlock(&priv->dev_read_lock);
1605 }
1606
hostif_receive(struct ks_wlan_private * priv,unsigned char * p,unsigned int size)1607 void hostif_receive(struct ks_wlan_private *priv, unsigned char *p,
1608 unsigned int size)
1609 {
1610 devio_rec_ind(priv, p, size);
1611
1612 priv->rxp = p;
1613 priv->rx_size = size;
1614
1615 if (get_word(priv) == priv->rx_size)
1616 hostif_event_check(priv);
1617 }
1618
hostif_sme_set_wep(struct ks_wlan_private * priv,int type)1619 static void hostif_sme_set_wep(struct ks_wlan_private *priv, int type)
1620 {
1621 switch (type) {
1622 case SME_WEP_INDEX_REQUEST:
1623 hostif_mib_set_request_int(priv, DOT11_WEP_DEFAULT_KEY_ID,
1624 priv->reg.wep_index);
1625 break;
1626 case SME_WEP_KEY1_REQUEST:
1627 if (priv->wpa.wpa_enabled)
1628 return;
1629 hostif_mib_set_request_ostring(priv,
1630 DOT11_WEP_DEFAULT_KEY_VALUE1,
1631 &priv->reg.wep_key[0].val[0],
1632 priv->reg.wep_key[0].size);
1633 break;
1634 case SME_WEP_KEY2_REQUEST:
1635 if (priv->wpa.wpa_enabled)
1636 return;
1637 hostif_mib_set_request_ostring(priv,
1638 DOT11_WEP_DEFAULT_KEY_VALUE2,
1639 &priv->reg.wep_key[1].val[0],
1640 priv->reg.wep_key[1].size);
1641 break;
1642 case SME_WEP_KEY3_REQUEST:
1643 if (priv->wpa.wpa_enabled)
1644 return;
1645 hostif_mib_set_request_ostring(priv,
1646 DOT11_WEP_DEFAULT_KEY_VALUE3,
1647 &priv->reg.wep_key[2].val[0],
1648 priv->reg.wep_key[2].size);
1649 break;
1650 case SME_WEP_KEY4_REQUEST:
1651 if (priv->wpa.wpa_enabled)
1652 return;
1653 hostif_mib_set_request_ostring(priv,
1654 DOT11_WEP_DEFAULT_KEY_VALUE4,
1655 &priv->reg.wep_key[3].val[0],
1656 priv->reg.wep_key[3].size);
1657 break;
1658 case SME_WEP_FLAG_REQUEST:
1659 hostif_mib_set_request_bool(priv, DOT11_PRIVACY_INVOKED,
1660 priv->reg.privacy_invoked);
1661 break;
1662 }
1663 }
1664
1665 struct wpa_suite {
1666 __le16 size;
1667 unsigned char suite[4][CIPHER_ID_LEN];
1668 } __packed;
1669
1670 struct rsn_mode {
1671 __le32 rsn_mode;
1672 __le16 rsn_capability;
1673 } __packed;
1674
hostif_sme_set_rsn(struct ks_wlan_private * priv,int type)1675 static void hostif_sme_set_rsn(struct ks_wlan_private *priv, int type)
1676 {
1677 struct wpa_suite wpa_suite;
1678 struct rsn_mode rsn_mode;
1679 size_t size;
1680 u32 mode;
1681 const u8 *buf = NULL;
1682
1683 memset(&wpa_suite, 0, sizeof(wpa_suite));
1684
1685 switch (type) {
1686 case SME_RSN_UCAST_REQUEST:
1687 wpa_suite.size = cpu_to_le16(1);
1688 switch (priv->wpa.pairwise_suite) {
1689 case IW_AUTH_CIPHER_NONE:
1690 buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
1691 CIPHER_ID_WPA2_NONE : CIPHER_ID_WPA_NONE;
1692 break;
1693 case IW_AUTH_CIPHER_WEP40:
1694 buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
1695 CIPHER_ID_WPA2_WEP40 : CIPHER_ID_WPA_WEP40;
1696 break;
1697 case IW_AUTH_CIPHER_TKIP:
1698 buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
1699 CIPHER_ID_WPA2_TKIP : CIPHER_ID_WPA_TKIP;
1700 break;
1701 case IW_AUTH_CIPHER_CCMP:
1702 buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
1703 CIPHER_ID_WPA2_CCMP : CIPHER_ID_WPA_CCMP;
1704 break;
1705 case IW_AUTH_CIPHER_WEP104:
1706 buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
1707 CIPHER_ID_WPA2_WEP104 : CIPHER_ID_WPA_WEP104;
1708 break;
1709 }
1710
1711 if (buf)
1712 memcpy(&wpa_suite.suite[0][0], buf, CIPHER_ID_LEN);
1713 size = sizeof(wpa_suite.size) +
1714 (CIPHER_ID_LEN * le16_to_cpu(wpa_suite.size));
1715 hostif_mib_set_request_ostring(priv,
1716 DOT11_RSN_CONFIG_UNICAST_CIPHER,
1717 &wpa_suite, size);
1718 break;
1719 case SME_RSN_MCAST_REQUEST:
1720 switch (priv->wpa.group_suite) {
1721 case IW_AUTH_CIPHER_NONE:
1722 buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
1723 CIPHER_ID_WPA2_NONE : CIPHER_ID_WPA_NONE;
1724 break;
1725 case IW_AUTH_CIPHER_WEP40:
1726 buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
1727 CIPHER_ID_WPA2_WEP40 : CIPHER_ID_WPA_WEP40;
1728 break;
1729 case IW_AUTH_CIPHER_TKIP:
1730 buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
1731 CIPHER_ID_WPA2_TKIP : CIPHER_ID_WPA_TKIP;
1732 break;
1733 case IW_AUTH_CIPHER_CCMP:
1734 buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
1735 CIPHER_ID_WPA2_CCMP : CIPHER_ID_WPA_CCMP;
1736 break;
1737 case IW_AUTH_CIPHER_WEP104:
1738 buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
1739 CIPHER_ID_WPA2_WEP104 : CIPHER_ID_WPA_WEP104;
1740 break;
1741 }
1742 if (buf)
1743 memcpy(&wpa_suite.suite[0][0], buf, CIPHER_ID_LEN);
1744 hostif_mib_set_request_ostring(priv,
1745 DOT11_RSN_CONFIG_MULTICAST_CIPHER,
1746 &wpa_suite.suite[0][0],
1747 CIPHER_ID_LEN);
1748 break;
1749 case SME_RSN_AUTH_REQUEST:
1750 wpa_suite.size = cpu_to_le16(1);
1751 switch (priv->wpa.key_mgmt_suite) {
1752 case IW_AUTH_KEY_MGMT_802_1X:
1753 buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
1754 KEY_MGMT_ID_WPA2_1X : KEY_MGMT_ID_WPA_1X;
1755 break;
1756 case IW_AUTH_KEY_MGMT_PSK:
1757 buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
1758 KEY_MGMT_ID_WPA2_PSK : KEY_MGMT_ID_WPA_PSK;
1759 break;
1760 case 0:
1761 buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
1762 KEY_MGMT_ID_WPA2_NONE : KEY_MGMT_ID_WPA_NONE;
1763 break;
1764 case 4:
1765 buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
1766 KEY_MGMT_ID_WPA2_WPANONE :
1767 KEY_MGMT_ID_WPA_WPANONE;
1768 break;
1769 }
1770
1771 if (buf)
1772 memcpy(&wpa_suite.suite[0][0], buf, KEY_MGMT_ID_LEN);
1773 size = sizeof(wpa_suite.size) +
1774 (KEY_MGMT_ID_LEN * le16_to_cpu(wpa_suite.size));
1775 hostif_mib_set_request_ostring(priv,
1776 DOT11_RSN_CONFIG_AUTH_SUITE,
1777 &wpa_suite, size);
1778 break;
1779 case SME_RSN_ENABLED_REQUEST:
1780 hostif_mib_set_request_bool(priv, DOT11_RSN_ENABLED,
1781 priv->wpa.rsn_enabled);
1782 break;
1783 case SME_RSN_MODE_REQUEST:
1784 mode = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
1785 RSN_MODE_WPA2 :
1786 (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA) ?
1787 RSN_MODE_WPA : RSN_MODE_NONE;
1788 rsn_mode.rsn_mode = cpu_to_le32(mode);
1789 rsn_mode.rsn_capability = cpu_to_le16(0);
1790 hostif_mib_set_request_ostring(priv, LOCAL_RSN_MODE,
1791 &rsn_mode, sizeof(rsn_mode));
1792 break;
1793 }
1794 }
1795
1796 static
hostif_sme_mode_setup(struct ks_wlan_private * priv)1797 void hostif_sme_mode_setup(struct ks_wlan_private *priv)
1798 {
1799 unsigned char rate_size;
1800 unsigned char rate_octet[RATE_SET_MAX_SIZE];
1801 int i = 0;
1802
1803 /* rate setting if rate segging is auto for changing phy_type (#94) */
1804 if (priv->reg.tx_rate == TX_RATE_FULL_AUTO) {
1805 if (priv->reg.phy_type == D_11B_ONLY_MODE) {
1806 priv->reg.rate_set.body[3] = TX_RATE_11M;
1807 priv->reg.rate_set.body[2] = TX_RATE_5M;
1808 priv->reg.rate_set.body[1] = TX_RATE_2M | BASIC_RATE;
1809 priv->reg.rate_set.body[0] = TX_RATE_1M | BASIC_RATE;
1810 priv->reg.rate_set.size = 4;
1811 } else { /* D_11G_ONLY_MODE or D_11BG_COMPATIBLE_MODE */
1812 priv->reg.rate_set.body[11] = TX_RATE_54M;
1813 priv->reg.rate_set.body[10] = TX_RATE_48M;
1814 priv->reg.rate_set.body[9] = TX_RATE_36M;
1815 priv->reg.rate_set.body[8] = TX_RATE_18M;
1816 priv->reg.rate_set.body[7] = TX_RATE_9M;
1817 priv->reg.rate_set.body[6] = TX_RATE_24M | BASIC_RATE;
1818 priv->reg.rate_set.body[5] = TX_RATE_12M | BASIC_RATE;
1819 priv->reg.rate_set.body[4] = TX_RATE_6M | BASIC_RATE;
1820 priv->reg.rate_set.body[3] = TX_RATE_11M | BASIC_RATE;
1821 priv->reg.rate_set.body[2] = TX_RATE_5M | BASIC_RATE;
1822 priv->reg.rate_set.body[1] = TX_RATE_2M | BASIC_RATE;
1823 priv->reg.rate_set.body[0] = TX_RATE_1M | BASIC_RATE;
1824 priv->reg.rate_set.size = 12;
1825 }
1826 }
1827
1828 /* rate mask by phy setting */
1829 if (priv->reg.phy_type == D_11B_ONLY_MODE) {
1830 for (i = 0; i < priv->reg.rate_set.size; i++) {
1831 if (!is_11b_rate(priv->reg.rate_set.body[i]))
1832 break;
1833
1834 if ((priv->reg.rate_set.body[i] & RATE_MASK) >= TX_RATE_5M) {
1835 rate_octet[i] = priv->reg.rate_set.body[i] &
1836 RATE_MASK;
1837 } else {
1838 rate_octet[i] = priv->reg.rate_set.body[i];
1839 }
1840 }
1841
1842 } else { /* D_11G_ONLY_MODE or D_11BG_COMPATIBLE_MODE */
1843 for (i = 0; i < priv->reg.rate_set.size; i++) {
1844 if (!is_11bg_rate(priv->reg.rate_set.body[i]))
1845 break;
1846
1847 if (is_ofdm_ext_rate(priv->reg.rate_set.body[i])) {
1848 rate_octet[i] = priv->reg.rate_set.body[i] &
1849 RATE_MASK;
1850 } else {
1851 rate_octet[i] = priv->reg.rate_set.body[i];
1852 }
1853 }
1854 }
1855 rate_size = i;
1856 if (rate_size == 0) {
1857 if (priv->reg.phy_type == D_11G_ONLY_MODE)
1858 rate_octet[0] = TX_RATE_6M | BASIC_RATE;
1859 else
1860 rate_octet[0] = TX_RATE_2M | BASIC_RATE;
1861 rate_size = 1;
1862 }
1863
1864 /* rate set update */
1865 priv->reg.rate_set.size = rate_size;
1866 memcpy(&priv->reg.rate_set.body[0], &rate_octet[0], rate_size);
1867
1868 switch (priv->reg.operation_mode) {
1869 case MODE_PSEUDO_ADHOC:
1870 hostif_ps_adhoc_set_request(priv);
1871 break;
1872 case MODE_INFRASTRUCTURE:
1873 if (!is_valid_ether_addr((u8 *)priv->reg.bssid)) {
1874 hostif_infrastructure_set_request(priv,
1875 HIF_INFRA_SET_REQ);
1876 } else {
1877 hostif_infrastructure_set_request(priv,
1878 HIF_INFRA_SET2_REQ);
1879 netdev_dbg(priv->net_dev,
1880 "Infra bssid = %pM\n", priv->reg.bssid);
1881 }
1882 break;
1883 case MODE_ADHOC:
1884 if (!is_valid_ether_addr((u8 *)priv->reg.bssid)) {
1885 hostif_adhoc_set_request(priv);
1886 } else {
1887 hostif_adhoc_set2_request(priv);
1888 netdev_dbg(priv->net_dev,
1889 "Adhoc bssid = %pM\n", priv->reg.bssid);
1890 }
1891 break;
1892 default:
1893 break;
1894 }
1895 }
1896
1897 static
hostif_sme_multicast_set(struct ks_wlan_private * priv)1898 void hostif_sme_multicast_set(struct ks_wlan_private *priv)
1899 {
1900 struct net_device *dev = priv->net_dev;
1901 int mc_count;
1902 struct netdev_hw_addr *ha;
1903 char set_address[NIC_MAX_MCAST_LIST * ETH_ALEN];
1904 int i = 0;
1905
1906 spin_lock(&priv->multicast_spin);
1907
1908 memset(set_address, 0, NIC_MAX_MCAST_LIST * ETH_ALEN);
1909
1910 if (dev->flags & IFF_PROMISC) {
1911 hostif_mib_set_request_int(priv, LOCAL_MULTICAST_FILTER,
1912 MCAST_FILTER_PROMISC);
1913 goto spin_unlock;
1914 }
1915
1916 if ((netdev_mc_count(dev) > NIC_MAX_MCAST_LIST) ||
1917 (dev->flags & IFF_ALLMULTI)) {
1918 hostif_mib_set_request_int(priv, LOCAL_MULTICAST_FILTER,
1919 MCAST_FILTER_MCASTALL);
1920 goto spin_unlock;
1921 }
1922
1923 if (priv->sme_i.sme_flag & SME_MULTICAST) {
1924 mc_count = netdev_mc_count(dev);
1925 netdev_for_each_mc_addr(ha, dev) {
1926 ether_addr_copy(&set_address[i * ETH_ALEN], ha->addr);
1927 i++;
1928 }
1929 priv->sme_i.sme_flag &= ~SME_MULTICAST;
1930 hostif_mib_set_request_ostring(priv, LOCAL_MULTICAST_ADDRESS,
1931 &set_address[0],
1932 ETH_ALEN * mc_count);
1933 } else {
1934 priv->sme_i.sme_flag |= SME_MULTICAST;
1935 hostif_mib_set_request_int(priv, LOCAL_MULTICAST_FILTER,
1936 MCAST_FILTER_MCAST);
1937 }
1938
1939 spin_unlock:
1940 spin_unlock(&priv->multicast_spin);
1941 }
1942
hostif_sme_power_mgmt_set(struct ks_wlan_private * priv)1943 static void hostif_sme_power_mgmt_set(struct ks_wlan_private *priv)
1944 {
1945 u32 mode, wake_up, receive_dtims;
1946
1947 if (priv->reg.power_mgmt != POWER_MGMT_SAVE1 &&
1948 priv->reg.power_mgmt != POWER_MGMT_SAVE2) {
1949 mode = POWER_ACTIVE;
1950 wake_up = 0;
1951 receive_dtims = 0;
1952 } else {
1953 mode = (priv->reg.operation_mode == MODE_INFRASTRUCTURE) ?
1954 POWER_SAVE : POWER_ACTIVE;
1955 wake_up = 0;
1956 receive_dtims = (priv->reg.operation_mode == MODE_INFRASTRUCTURE &&
1957 priv->reg.power_mgmt == POWER_MGMT_SAVE2);
1958 }
1959
1960 hostif_power_mgmt_request(priv, mode, wake_up, receive_dtims);
1961 }
1962
hostif_sme_sleep_set(struct ks_wlan_private * priv)1963 static void hostif_sme_sleep_set(struct ks_wlan_private *priv)
1964 {
1965 if (priv->sleep_mode != SLP_SLEEP &&
1966 priv->sleep_mode != SLP_ACTIVE)
1967 return;
1968
1969 hostif_sleep_request(priv, priv->sleep_mode);
1970 }
1971
1972 static
hostif_sme_set_key(struct ks_wlan_private * priv,int type)1973 void hostif_sme_set_key(struct ks_wlan_private *priv, int type)
1974 {
1975 switch (type) {
1976 case SME_SET_FLAG:
1977 hostif_mib_set_request_bool(priv, DOT11_PRIVACY_INVOKED,
1978 priv->reg.privacy_invoked);
1979 break;
1980 case SME_SET_TXKEY:
1981 hostif_mib_set_request_int(priv, DOT11_WEP_DEFAULT_KEY_ID,
1982 priv->wpa.txkey);
1983 break;
1984 case SME_SET_KEY1:
1985 hostif_mib_set_request_ostring(priv,
1986 DOT11_WEP_DEFAULT_KEY_VALUE1,
1987 &priv->wpa.key[0].key_val[0],
1988 priv->wpa.key[0].key_len);
1989 break;
1990 case SME_SET_KEY2:
1991 hostif_mib_set_request_ostring(priv,
1992 DOT11_WEP_DEFAULT_KEY_VALUE2,
1993 &priv->wpa.key[1].key_val[0],
1994 priv->wpa.key[1].key_len);
1995 break;
1996 case SME_SET_KEY3:
1997 hostif_mib_set_request_ostring(priv,
1998 DOT11_WEP_DEFAULT_KEY_VALUE3,
1999 &priv->wpa.key[2].key_val[0],
2000 priv->wpa.key[2].key_len);
2001 break;
2002 case SME_SET_KEY4:
2003 hostif_mib_set_request_ostring(priv,
2004 DOT11_WEP_DEFAULT_KEY_VALUE4,
2005 &priv->wpa.key[3].key_val[0],
2006 priv->wpa.key[3].key_len);
2007 break;
2008 case SME_SET_PMK_TSC:
2009 hostif_mib_set_request_ostring(priv, DOT11_PMK_TSC,
2010 &priv->wpa.key[0].rx_seq[0],
2011 WPA_RX_SEQ_LEN);
2012 break;
2013 case SME_SET_GMK1_TSC:
2014 hostif_mib_set_request_ostring(priv, DOT11_GMK1_TSC,
2015 &priv->wpa.key[1].rx_seq[0],
2016 WPA_RX_SEQ_LEN);
2017 break;
2018 case SME_SET_GMK2_TSC:
2019 hostif_mib_set_request_ostring(priv, DOT11_GMK2_TSC,
2020 &priv->wpa.key[2].rx_seq[0],
2021 WPA_RX_SEQ_LEN);
2022 break;
2023 }
2024 }
2025
2026 static
hostif_sme_set_pmksa(struct ks_wlan_private * priv)2027 void hostif_sme_set_pmksa(struct ks_wlan_private *priv)
2028 {
2029 struct pmk_cache {
2030 __le16 size;
2031 struct {
2032 u8 bssid[ETH_ALEN];
2033 u8 pmkid[IW_PMKID_LEN];
2034 } __packed list[PMK_LIST_MAX];
2035 } __packed pmkcache;
2036 struct pmk *pmk;
2037 size_t size;
2038 int i = 0;
2039
2040 list_for_each_entry(pmk, &priv->pmklist.head, list) {
2041 if (i >= PMK_LIST_MAX)
2042 break;
2043 ether_addr_copy(pmkcache.list[i].bssid, pmk->bssid);
2044 memcpy(pmkcache.list[i].pmkid, pmk->pmkid, IW_PMKID_LEN);
2045 i++;
2046 }
2047 pmkcache.size = cpu_to_le16(priv->pmklist.size);
2048 size = sizeof(priv->pmklist.size) +
2049 ((ETH_ALEN + IW_PMKID_LEN) * priv->pmklist.size);
2050 hostif_mib_set_request_ostring(priv, LOCAL_PMK, &pmkcache, size);
2051 }
2052
2053 /* execute sme */
hostif_sme_execute(struct ks_wlan_private * priv,int event)2054 static void hostif_sme_execute(struct ks_wlan_private *priv, int event)
2055 {
2056 u16 failure;
2057
2058 switch (event) {
2059 case SME_START:
2060 if (priv->dev_state == DEVICE_STATE_BOOT)
2061 hostif_mib_get_request(priv, DOT11_MAC_ADDRESS);
2062 break;
2063 case SME_MULTICAST_REQUEST:
2064 hostif_sme_multicast_set(priv);
2065 break;
2066 case SME_MACADDRESS_SET_REQUEST:
2067 hostif_mib_set_request_ostring(priv, LOCAL_CURRENTADDRESS,
2068 &priv->eth_addr[0], ETH_ALEN);
2069 break;
2070 case SME_BSS_SCAN_REQUEST:
2071 hostif_bss_scan_request(priv, priv->reg.scan_type,
2072 priv->scan_ssid, priv->scan_ssid_len);
2073 break;
2074 case SME_POW_MNGMT_REQUEST:
2075 hostif_sme_power_mgmt_set(priv);
2076 break;
2077 case SME_PHY_INFO_REQUEST:
2078 hostif_phy_information_request(priv);
2079 break;
2080 case SME_MIC_FAILURE_REQUEST:
2081 failure = priv->wpa.mic_failure.failure;
2082 if (failure != 1 && failure != 2) {
2083 netdev_err(priv->net_dev,
2084 "SME_MIC_FAILURE_REQUEST: failure count=%u error?\n",
2085 failure);
2086 return;
2087 }
2088 hostif_mic_failure_request(priv, failure - 1, (failure == 1) ?
2089 0 : priv->wpa.mic_failure.counter);
2090 break;
2091 case SME_MIC_FAILURE_CONFIRM:
2092 if (priv->wpa.mic_failure.failure == 2) {
2093 if (priv->wpa.mic_failure.stop)
2094 priv->wpa.mic_failure.stop = 0;
2095 priv->wpa.mic_failure.failure = 0;
2096 hostif_start_request(priv, priv->reg.operation_mode);
2097 }
2098 break;
2099 case SME_GET_MAC_ADDRESS:
2100 if (priv->dev_state == DEVICE_STATE_BOOT)
2101 hostif_mib_get_request(priv, DOT11_PRODUCT_VERSION);
2102 break;
2103 case SME_GET_PRODUCT_VERSION:
2104 if (priv->dev_state == DEVICE_STATE_BOOT)
2105 priv->dev_state = DEVICE_STATE_PREINIT;
2106 break;
2107 case SME_STOP_REQUEST:
2108 hostif_stop_request(priv);
2109 break;
2110 case SME_RTS_THRESHOLD_REQUEST:
2111 hostif_mib_set_request_int(priv, DOT11_RTS_THRESHOLD,
2112 priv->reg.rts);
2113 break;
2114 case SME_FRAGMENTATION_THRESHOLD_REQUEST:
2115 hostif_mib_set_request_int(priv, DOT11_FRAGMENTATION_THRESHOLD,
2116 priv->reg.fragment);
2117 break;
2118 case SME_WEP_INDEX_REQUEST:
2119 case SME_WEP_KEY1_REQUEST:
2120 case SME_WEP_KEY2_REQUEST:
2121 case SME_WEP_KEY3_REQUEST:
2122 case SME_WEP_KEY4_REQUEST:
2123 case SME_WEP_FLAG_REQUEST:
2124 hostif_sme_set_wep(priv, event);
2125 break;
2126 case SME_RSN_UCAST_REQUEST:
2127 case SME_RSN_MCAST_REQUEST:
2128 case SME_RSN_AUTH_REQUEST:
2129 case SME_RSN_ENABLED_REQUEST:
2130 case SME_RSN_MODE_REQUEST:
2131 hostif_sme_set_rsn(priv, event);
2132 break;
2133 case SME_SET_FLAG:
2134 case SME_SET_TXKEY:
2135 case SME_SET_KEY1:
2136 case SME_SET_KEY2:
2137 case SME_SET_KEY3:
2138 case SME_SET_KEY4:
2139 case SME_SET_PMK_TSC:
2140 case SME_SET_GMK1_TSC:
2141 case SME_SET_GMK2_TSC:
2142 hostif_sme_set_key(priv, event);
2143 break;
2144 case SME_SET_PMKSA:
2145 hostif_sme_set_pmksa(priv);
2146 break;
2147 case SME_WPS_ENABLE_REQUEST:
2148 hostif_mib_set_request_int(priv, LOCAL_WPS_ENABLE,
2149 priv->wps.wps_enabled);
2150 break;
2151 case SME_WPS_PROBE_REQUEST:
2152 hostif_mib_set_request_ostring(priv, LOCAL_WPS_PROBE_REQ,
2153 priv->wps.ie, priv->wps.ielen);
2154 break;
2155 case SME_MODE_SET_REQUEST:
2156 hostif_sme_mode_setup(priv);
2157 break;
2158 case SME_SET_GAIN:
2159 hostif_mib_set_request_ostring(priv, LOCAL_GAIN,
2160 &priv->gain, sizeof(priv->gain));
2161 break;
2162 case SME_GET_GAIN:
2163 hostif_mib_get_request(priv, LOCAL_GAIN);
2164 break;
2165 case SME_GET_EEPROM_CKSUM:
2166 priv->eeprom_checksum = EEPROM_FW_NOT_SUPPORT; /* initialize */
2167 hostif_mib_get_request(priv, LOCAL_EEPROM_SUM);
2168 break;
2169 case SME_START_REQUEST:
2170 hostif_start_request(priv, priv->reg.operation_mode);
2171 break;
2172 case SME_START_CONFIRM:
2173 /* for power save */
2174 atomic_set(&priv->psstatus.snooze_guard, 0);
2175 atomic_set(&priv->psstatus.confirm_wait, 0);
2176 if (priv->dev_state == DEVICE_STATE_PREINIT)
2177 priv->dev_state = DEVICE_STATE_INIT;
2178 /* wake_up_interruptible_all(&priv->confirm_wait); */
2179 complete(&priv->confirm_wait);
2180 break;
2181 case SME_SLEEP_REQUEST:
2182 hostif_sme_sleep_set(priv);
2183 break;
2184 case SME_SET_REGION:
2185 hostif_mib_set_request_int(priv, LOCAL_REGION, priv->region);
2186 break;
2187 case SME_MULTICAST_CONFIRM:
2188 case SME_BSS_SCAN_CONFIRM:
2189 case SME_POW_MNGMT_CONFIRM:
2190 case SME_PHY_INFO_CONFIRM:
2191 case SME_STOP_CONFIRM:
2192 case SME_RTS_THRESHOLD_CONFIRM:
2193 case SME_FRAGMENTATION_THRESHOLD_CONFIRM:
2194 case SME_WEP_INDEX_CONFIRM:
2195 case SME_WEP_KEY1_CONFIRM:
2196 case SME_WEP_KEY2_CONFIRM:
2197 case SME_WEP_KEY3_CONFIRM:
2198 case SME_WEP_KEY4_CONFIRM:
2199 case SME_WEP_FLAG_CONFIRM:
2200 case SME_RSN_UCAST_CONFIRM:
2201 case SME_RSN_MCAST_CONFIRM:
2202 case SME_RSN_AUTH_CONFIRM:
2203 case SME_RSN_ENABLED_CONFIRM:
2204 case SME_RSN_MODE_CONFIRM:
2205 case SME_MODE_SET_CONFIRM:
2206 case SME_TERMINATE:
2207 default:
2208 break;
2209 }
2210 }
2211
2212 static
hostif_sme_task(unsigned long dev)2213 void hostif_sme_task(unsigned long dev)
2214 {
2215 struct ks_wlan_private *priv = (struct ks_wlan_private *)dev;
2216
2217 if (priv->dev_state < DEVICE_STATE_BOOT)
2218 return;
2219
2220 if (cnt_smeqbody(priv) <= 0)
2221 return;
2222
2223 hostif_sme_execute(priv, priv->sme_i.event_buff[priv->sme_i.qhead]);
2224 inc_smeqhead(priv);
2225 if (cnt_smeqbody(priv) > 0)
2226 tasklet_schedule(&priv->sme_task);
2227 }
2228
2229 /* send to Station Management Entity module */
hostif_sme_enqueue(struct ks_wlan_private * priv,u16 event)2230 void hostif_sme_enqueue(struct ks_wlan_private *priv, u16 event)
2231 {
2232 /* enqueue sme event */
2233 if (cnt_smeqbody(priv) < (SME_EVENT_BUFF_SIZE - 1)) {
2234 priv->sme_i.event_buff[priv->sme_i.qtail] = event;
2235 inc_smeqtail(priv);
2236 } else {
2237 /* in case of buffer overflow */
2238 netdev_err(priv->net_dev, "sme queue buffer overflow\n");
2239 }
2240
2241 tasklet_schedule(&priv->sme_task);
2242 }
2243
hostif_aplist_init(struct ks_wlan_private * priv)2244 static inline void hostif_aplist_init(struct ks_wlan_private *priv)
2245 {
2246 size_t size = LOCAL_APLIST_MAX * sizeof(struct local_ap);
2247
2248 priv->aplist.size = 0;
2249 memset(&priv->aplist.ap[0], 0, size);
2250 }
2251
hostif_status_init(struct ks_wlan_private * priv)2252 static inline void hostif_status_init(struct ks_wlan_private *priv)
2253 {
2254 priv->infra_status = 0;
2255 priv->current_rate = 4;
2256 priv->connect_status = DISCONNECT_STATUS;
2257 }
2258
hostif_sme_init(struct ks_wlan_private * priv)2259 static inline void hostif_sme_init(struct ks_wlan_private *priv)
2260 {
2261 priv->sme_i.sme_status = SME_IDLE;
2262 priv->sme_i.qhead = 0;
2263 priv->sme_i.qtail = 0;
2264 spin_lock_init(&priv->sme_i.sme_spin);
2265 priv->sme_i.sme_flag = 0;
2266 tasklet_init(&priv->sme_task, hostif_sme_task, (unsigned long)priv);
2267 }
2268
hostif_wpa_init(struct ks_wlan_private * priv)2269 static inline void hostif_wpa_init(struct ks_wlan_private *priv)
2270 {
2271 memset(&priv->wpa, 0, sizeof(priv->wpa));
2272 priv->wpa.rsn_enabled = false;
2273 priv->wpa.mic_failure.failure = 0;
2274 priv->wpa.mic_failure.last_failure_time = 0;
2275 priv->wpa.mic_failure.stop = 0;
2276 }
2277
hostif_power_save_init(struct ks_wlan_private * priv)2278 static inline void hostif_power_save_init(struct ks_wlan_private *priv)
2279 {
2280 atomic_set(&priv->psstatus.status, PS_NONE);
2281 atomic_set(&priv->psstatus.confirm_wait, 0);
2282 atomic_set(&priv->psstatus.snooze_guard, 0);
2283 init_completion(&priv->psstatus.wakeup_wait);
2284 INIT_WORK(&priv->wakeup_work, ks_wlan_hw_wakeup_task);
2285 }
2286
hostif_pmklist_init(struct ks_wlan_private * priv)2287 static inline void hostif_pmklist_init(struct ks_wlan_private *priv)
2288 {
2289 int i;
2290
2291 memset(&priv->pmklist, 0, sizeof(priv->pmklist));
2292 INIT_LIST_HEAD(&priv->pmklist.head);
2293 for (i = 0; i < PMK_LIST_MAX; i++)
2294 INIT_LIST_HEAD(&priv->pmklist.pmk[i].list);
2295 }
2296
hostif_counters_init(struct ks_wlan_private * priv)2297 static inline void hostif_counters_init(struct ks_wlan_private *priv)
2298 {
2299 priv->dev_count = 0;
2300 atomic_set(&priv->event_count, 0);
2301 atomic_set(&priv->rec_count, 0);
2302 }
2303
hostif_init(struct ks_wlan_private * priv)2304 int hostif_init(struct ks_wlan_private *priv)
2305 {
2306 hostif_aplist_init(priv);
2307 hostif_status_init(priv);
2308
2309 spin_lock_init(&priv->multicast_spin);
2310 spin_lock_init(&priv->dev_read_lock);
2311 init_waitqueue_head(&priv->devread_wait);
2312
2313 hostif_counters_init(priv);
2314 hostif_power_save_init(priv);
2315 hostif_wpa_init(priv);
2316 hostif_pmklist_init(priv);
2317 hostif_sme_init(priv);
2318
2319 return 0;
2320 }
2321
hostif_exit(struct ks_wlan_private * priv)2322 void hostif_exit(struct ks_wlan_private *priv)
2323 {
2324 tasklet_kill(&priv->sme_task);
2325 }
2326
