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Commit | Line | Data |
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bdcd8170 KV |
1 | /* |
2 | * Copyright (c) 2004-2011 Atheros Communications Inc. | |
1b2df407 | 3 | * Copyright (c) 2011-2012 Qualcomm Atheros, Inc. |
bdcd8170 KV |
4 | * |
5 | * Permission to use, copy, modify, and/or distribute this software for any | |
6 | * purpose with or without fee is hereby granted, provided that the above | |
7 | * copyright notice and this permission notice appear in all copies. | |
8 | * | |
9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
16 | */ | |
17 | ||
18 | #include "core.h" | |
19 | #include "hif-ops.h" | |
20 | #include "cfg80211.h" | |
21 | #include "target.h" | |
22 | #include "debug.h" | |
23 | ||
6765d0aa | 24 | struct ath6kl_sta *ath6kl_find_sta(struct ath6kl_vif *vif, u8 *node_addr) |
bdcd8170 | 25 | { |
6765d0aa | 26 | struct ath6kl *ar = vif->ar; |
bdcd8170 KV |
27 | struct ath6kl_sta *conn = NULL; |
28 | u8 i, max_conn; | |
29 | ||
f5938f24 | 30 | max_conn = (vif->nw_type == AP_NETWORK) ? AP_MAX_NUM_STA : 0; |
bdcd8170 KV |
31 | |
32 | for (i = 0; i < max_conn; i++) { | |
33 | if (memcmp(node_addr, ar->sta_list[i].mac, ETH_ALEN) == 0) { | |
34 | conn = &ar->sta_list[i]; | |
35 | break; | |
36 | } | |
37 | } | |
38 | ||
39 | return conn; | |
40 | } | |
41 | ||
42 | struct ath6kl_sta *ath6kl_find_sta_by_aid(struct ath6kl *ar, u8 aid) | |
43 | { | |
44 | struct ath6kl_sta *conn = NULL; | |
45 | u8 ctr; | |
46 | ||
47 | for (ctr = 0; ctr < AP_MAX_NUM_STA; ctr++) { | |
48 | if (ar->sta_list[ctr].aid == aid) { | |
49 | conn = &ar->sta_list[ctr]; | |
50 | break; | |
51 | } | |
52 | } | |
53 | return conn; | |
54 | } | |
55 | ||
17741c8d VT |
56 | static void ath6kl_add_new_sta(struct ath6kl_vif *vif, u8 *mac, u16 aid, |
57 | u8 *wpaie, size_t ielen, u8 keymgmt, | |
58 | u8 ucipher, u8 auth, u8 apsd_info) | |
bdcd8170 | 59 | { |
17741c8d | 60 | struct ath6kl *ar = vif->ar; |
bdcd8170 KV |
61 | struct ath6kl_sta *sta; |
62 | u8 free_slot; | |
63 | ||
64 | free_slot = aid - 1; | |
65 | ||
66 | sta = &ar->sta_list[free_slot]; | |
67 | memcpy(sta->mac, mac, ETH_ALEN); | |
3c774bba JM |
68 | if (ielen <= ATH6KL_MAX_IE) |
69 | memcpy(sta->wpa_ie, wpaie, ielen); | |
bdcd8170 KV |
70 | sta->aid = aid; |
71 | sta->keymgmt = keymgmt; | |
72 | sta->ucipher = ucipher; | |
73 | sta->auth = auth; | |
c1762a3f | 74 | sta->apsd_info = apsd_info; |
bdcd8170 KV |
75 | |
76 | ar->sta_list_index = ar->sta_list_index | (1 << free_slot); | |
77 | ar->ap_stats.sta[free_slot].aid = cpu_to_le32(aid); | |
c8651541 | 78 | aggr_conn_init(vif, vif->aggr_cntxt, sta->aggr_conn); |
bdcd8170 KV |
79 | } |
80 | ||
81 | static void ath6kl_sta_cleanup(struct ath6kl *ar, u8 i) | |
82 | { | |
83 | struct ath6kl_sta *sta = &ar->sta_list[i]; | |
d0ff7383 | 84 | struct ath6kl_mgmt_buff *entry, *tmp; |
bdcd8170 KV |
85 | |
86 | /* empty the queued pkts in the PS queue if any */ | |
87 | spin_lock_bh(&sta->psq_lock); | |
88 | skb_queue_purge(&sta->psq); | |
c1762a3f | 89 | skb_queue_purge(&sta->apsdq); |
d0ff7383 NG |
90 | |
91 | if (sta->mgmt_psq_len != 0) { | |
92 | list_for_each_entry_safe(entry, tmp, &sta->mgmt_psq, list) { | |
93 | kfree(entry); | |
94 | } | |
95 | INIT_LIST_HEAD(&sta->mgmt_psq); | |
96 | sta->mgmt_psq_len = 0; | |
97 | } | |
98 | ||
bdcd8170 KV |
99 | spin_unlock_bh(&sta->psq_lock); |
100 | ||
101 | memset(&ar->ap_stats.sta[sta->aid - 1], 0, | |
102 | sizeof(struct wmi_per_sta_stat)); | |
103 | memset(sta->mac, 0, ETH_ALEN); | |
104 | memset(sta->wpa_ie, 0, ATH6KL_MAX_IE); | |
105 | sta->aid = 0; | |
106 | sta->sta_flags = 0; | |
107 | ||
108 | ar->sta_list_index = ar->sta_list_index & ~(1 << i); | |
1d2a4456 | 109 | aggr_reset_state(sta->aggr_conn); |
bdcd8170 KV |
110 | } |
111 | ||
112 | static u8 ath6kl_remove_sta(struct ath6kl *ar, u8 *mac, u16 reason) | |
113 | { | |
114 | u8 i, removed = 0; | |
115 | ||
116 | if (is_zero_ether_addr(mac)) | |
117 | return removed; | |
118 | ||
119 | if (is_broadcast_ether_addr(mac)) { | |
120 | ath6kl_dbg(ATH6KL_DBG_TRC, "deleting all station\n"); | |
121 | ||
122 | for (i = 0; i < AP_MAX_NUM_STA; i++) { | |
123 | if (!is_zero_ether_addr(ar->sta_list[i].mac)) { | |
124 | ath6kl_sta_cleanup(ar, i); | |
125 | removed = 1; | |
126 | } | |
127 | } | |
128 | } else { | |
129 | for (i = 0; i < AP_MAX_NUM_STA; i++) { | |
130 | if (memcmp(ar->sta_list[i].mac, mac, ETH_ALEN) == 0) { | |
131 | ath6kl_dbg(ATH6KL_DBG_TRC, | |
132 | "deleting station %pM aid=%d reason=%d\n", | |
133 | mac, ar->sta_list[i].aid, reason); | |
134 | ath6kl_sta_cleanup(ar, i); | |
135 | removed = 1; | |
136 | break; | |
137 | } | |
138 | } | |
139 | } | |
140 | ||
141 | return removed; | |
142 | } | |
143 | ||
144 | enum htc_endpoint_id ath6kl_ac2_endpoint_id(void *devt, u8 ac) | |
145 | { | |
146 | struct ath6kl *ar = devt; | |
147 | return ar->ac2ep_map[ac]; | |
148 | } | |
149 | ||
150 | struct ath6kl_cookie *ath6kl_alloc_cookie(struct ath6kl *ar) | |
151 | { | |
152 | struct ath6kl_cookie *cookie; | |
153 | ||
154 | cookie = ar->cookie_list; | |
155 | if (cookie != NULL) { | |
156 | ar->cookie_list = cookie->arc_list_next; | |
157 | ar->cookie_count--; | |
158 | } | |
159 | ||
160 | return cookie; | |
161 | } | |
162 | ||
163 | void ath6kl_cookie_init(struct ath6kl *ar) | |
164 | { | |
165 | u32 i; | |
166 | ||
167 | ar->cookie_list = NULL; | |
168 | ar->cookie_count = 0; | |
169 | ||
170 | memset(ar->cookie_mem, 0, sizeof(ar->cookie_mem)); | |
171 | ||
172 | for (i = 0; i < MAX_COOKIE_NUM; i++) | |
173 | ath6kl_free_cookie(ar, &ar->cookie_mem[i]); | |
174 | } | |
175 | ||
176 | void ath6kl_cookie_cleanup(struct ath6kl *ar) | |
177 | { | |
178 | ar->cookie_list = NULL; | |
179 | ar->cookie_count = 0; | |
180 | } | |
181 | ||
182 | void ath6kl_free_cookie(struct ath6kl *ar, struct ath6kl_cookie *cookie) | |
183 | { | |
184 | /* Insert first */ | |
185 | ||
186 | if (!ar || !cookie) | |
187 | return; | |
188 | ||
189 | cookie->arc_list_next = ar->cookie_list; | |
190 | ar->cookie_list = cookie; | |
191 | ar->cookie_count++; | |
192 | } | |
193 | ||
bdcd8170 | 194 | /* |
addb44be KV |
195 | * Read from the hardware through its diagnostic window. No cooperation |
196 | * from the firmware is required for this. | |
bdcd8170 | 197 | */ |
addb44be | 198 | int ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value) |
bdcd8170 | 199 | { |
addb44be | 200 | int ret; |
bdcd8170 | 201 | |
c7111495 | 202 | ret = ath6kl_hif_diag_read32(ar, address, value); |
addb44be KV |
203 | if (ret) { |
204 | ath6kl_warn("failed to read32 through diagnose window: %d\n", | |
205 | ret); | |
206 | return ret; | |
bdcd8170 KV |
207 | } |
208 | ||
addb44be | 209 | return 0; |
bdcd8170 KV |
210 | } |
211 | ||
bdcd8170 KV |
212 | /* |
213 | * Write to the ATH6KL through its diagnostic window. No cooperation from | |
214 | * the Target is required for this. | |
215 | */ | |
f9ea0753 | 216 | int ath6kl_diag_write32(struct ath6kl *ar, u32 address, __le32 value) |
bdcd8170 | 217 | { |
addb44be | 218 | int ret; |
bdcd8170 | 219 | |
c7111495 KV |
220 | ret = ath6kl_hif_diag_write32(ar, address, value); |
221 | ||
addb44be KV |
222 | if (ret) { |
223 | ath6kl_err("failed to write 0x%x during diagnose window to 0x%d\n", | |
224 | address, value); | |
225 | return ret; | |
bdcd8170 KV |
226 | } |
227 | ||
c7111495 | 228 | return 0; |
bdcd8170 KV |
229 | } |
230 | ||
addb44be | 231 | int ath6kl_diag_read(struct ath6kl *ar, u32 address, void *data, u32 length) |
bdcd8170 | 232 | { |
addb44be KV |
233 | u32 count, *buf = data; |
234 | int ret; | |
bdcd8170 | 235 | |
addb44be KV |
236 | if (WARN_ON(length % 4)) |
237 | return -EINVAL; | |
238 | ||
239 | for (count = 0; count < length / 4; count++, address += 4) { | |
240 | ret = ath6kl_diag_read32(ar, address, &buf[count]); | |
241 | if (ret) | |
242 | return ret; | |
bdcd8170 KV |
243 | } |
244 | ||
addb44be KV |
245 | return 0; |
246 | } | |
247 | ||
248 | int ath6kl_diag_write(struct ath6kl *ar, u32 address, void *data, u32 length) | |
249 | { | |
f9ea0753 VT |
250 | u32 count; |
251 | __le32 *buf = data; | |
addb44be KV |
252 | int ret; |
253 | ||
254 | if (WARN_ON(length % 4)) | |
255 | return -EINVAL; | |
256 | ||
257 | for (count = 0; count < length / 4; count++, address += 4) { | |
258 | ret = ath6kl_diag_write32(ar, address, buf[count]); | |
259 | if (ret) | |
260 | return ret; | |
261 | } | |
262 | ||
263 | return 0; | |
bdcd8170 KV |
264 | } |
265 | ||
bc07ddb2 KV |
266 | int ath6kl_read_fwlogs(struct ath6kl *ar) |
267 | { | |
268 | struct ath6kl_dbglog_hdr debug_hdr; | |
269 | struct ath6kl_dbglog_buf debug_buf; | |
270 | u32 address, length, dropped, firstbuf, debug_hdr_addr; | |
e80ec84d | 271 | int ret, loop; |
bc07ddb2 KV |
272 | u8 *buf; |
273 | ||
274 | buf = kmalloc(ATH6KL_FWLOG_PAYLOAD_SIZE, GFP_KERNEL); | |
275 | if (!buf) | |
276 | return -ENOMEM; | |
277 | ||
278 | address = TARG_VTOP(ar->target_type, | |
279 | ath6kl_get_hi_item_addr(ar, | |
280 | HI_ITEM(hi_dbglog_hdr))); | |
281 | ||
282 | ret = ath6kl_diag_read32(ar, address, &debug_hdr_addr); | |
283 | if (ret) | |
284 | goto out; | |
285 | ||
286 | /* Get the contents of the ring buffer */ | |
287 | if (debug_hdr_addr == 0) { | |
288 | ath6kl_warn("Invalid address for debug_hdr_addr\n"); | |
289 | ret = -EINVAL; | |
290 | goto out; | |
291 | } | |
292 | ||
293 | address = TARG_VTOP(ar->target_type, debug_hdr_addr); | |
294 | ath6kl_diag_read(ar, address, &debug_hdr, sizeof(debug_hdr)); | |
295 | ||
296 | address = TARG_VTOP(ar->target_type, | |
297 | le32_to_cpu(debug_hdr.dbuf_addr)); | |
298 | firstbuf = address; | |
299 | dropped = le32_to_cpu(debug_hdr.dropped); | |
300 | ath6kl_diag_read(ar, address, &debug_buf, sizeof(debug_buf)); | |
301 | ||
302 | loop = 100; | |
303 | ||
304 | do { | |
305 | address = TARG_VTOP(ar->target_type, | |
306 | le32_to_cpu(debug_buf.buffer_addr)); | |
307 | length = le32_to_cpu(debug_buf.length); | |
308 | ||
309 | if (length != 0 && (le32_to_cpu(debug_buf.length) <= | |
310 | le32_to_cpu(debug_buf.bufsize))) { | |
311 | length = ALIGN(length, 4); | |
312 | ||
313 | ret = ath6kl_diag_read(ar, address, | |
314 | buf, length); | |
315 | if (ret) | |
316 | goto out; | |
317 | ||
318 | ath6kl_debug_fwlog_event(ar, buf, length); | |
319 | } | |
320 | ||
321 | address = TARG_VTOP(ar->target_type, | |
322 | le32_to_cpu(debug_buf.next)); | |
323 | ath6kl_diag_read(ar, address, &debug_buf, sizeof(debug_buf)); | |
324 | if (ret) | |
325 | goto out; | |
326 | ||
327 | loop--; | |
328 | ||
329 | if (WARN_ON(loop == 0)) { | |
330 | ret = -ETIMEDOUT; | |
331 | goto out; | |
332 | } | |
333 | } while (address != firstbuf); | |
334 | ||
335 | out: | |
336 | kfree(buf); | |
337 | ||
338 | return ret; | |
339 | } | |
340 | ||
31024d99 KF |
341 | /* FIXME: move to a better place, target.h? */ |
342 | #define AR6003_RESET_CONTROL_ADDRESS 0x00004000 | |
343 | #define AR6004_RESET_CONTROL_ADDRESS 0x00004000 | |
344 | ||
6db8fa53 VT |
345 | void ath6kl_reset_device(struct ath6kl *ar, u32 target_type, |
346 | bool wait_fot_compltn, bool cold_reset) | |
bdcd8170 KV |
347 | { |
348 | int status = 0; | |
349 | u32 address; | |
f9ea0753 | 350 | __le32 data; |
bdcd8170 | 351 | |
31024d99 KF |
352 | if (target_type != TARGET_TYPE_AR6003 && |
353 | target_type != TARGET_TYPE_AR6004) | |
bdcd8170 KV |
354 | return; |
355 | ||
f9ea0753 VT |
356 | data = cold_reset ? cpu_to_le32(RESET_CONTROL_COLD_RST) : |
357 | cpu_to_le32(RESET_CONTROL_MBOX_RST); | |
bdcd8170 | 358 | |
31024d99 KF |
359 | switch (target_type) { |
360 | case TARGET_TYPE_AR6003: | |
361 | address = AR6003_RESET_CONTROL_ADDRESS; | |
362 | break; | |
363 | case TARGET_TYPE_AR6004: | |
364 | address = AR6004_RESET_CONTROL_ADDRESS; | |
365 | break; | |
31024d99 KF |
366 | } |
367 | ||
addb44be | 368 | status = ath6kl_diag_write32(ar, address, data); |
bdcd8170 KV |
369 | |
370 | if (status) | |
371 | ath6kl_err("failed to reset target\n"); | |
372 | } | |
373 | ||
240d2799 | 374 | static void ath6kl_install_static_wep_keys(struct ath6kl_vif *vif) |
bdcd8170 KV |
375 | { |
376 | u8 index; | |
377 | u8 keyusage; | |
378 | ||
792ecb33 | 379 | for (index = 0; index <= WMI_MAX_KEY_INDEX; index++) { |
6f2a73f9 | 380 | if (vif->wep_key_list[index].key_len) { |
bdcd8170 | 381 | keyusage = GROUP_USAGE; |
3450334f | 382 | if (index == vif->def_txkey_index) |
bdcd8170 KV |
383 | keyusage |= TX_USAGE; |
384 | ||
240d2799 | 385 | ath6kl_wmi_addkey_cmd(vif->ar->wmi, vif->fw_vif_idx, |
bdcd8170 KV |
386 | index, |
387 | WEP_CRYPT, | |
388 | keyusage, | |
6f2a73f9 | 389 | vif->wep_key_list[index].key_len, |
f4bb9a6f | 390 | NULL, 0, |
6f2a73f9 | 391 | vif->wep_key_list[index].key, |
bdcd8170 KV |
392 | KEY_OP_INIT_VAL, NULL, |
393 | NO_SYNC_WMIFLAG); | |
394 | } | |
395 | } | |
396 | } | |
397 | ||
240d2799 | 398 | void ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel) |
bdcd8170 | 399 | { |
240d2799 | 400 | struct ath6kl *ar = vif->ar; |
bdcd8170 | 401 | struct ath6kl_req_key *ik; |
9a5b1318 JM |
402 | int res; |
403 | u8 key_rsc[ATH6KL_KEY_SEQ_LEN]; | |
bdcd8170 | 404 | |
572e27c0 | 405 | ik = &ar->ap_mode_bkey; |
bdcd8170 | 406 | |
572e27c0 | 407 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "AP mode started on %u MHz\n", channel); |
9a5b1318 | 408 | |
3450334f | 409 | switch (vif->auth_mode) { |
572e27c0 | 410 | case NONE_AUTH: |
3450334f | 411 | if (vif->prwise_crypto == WEP_CRYPT) |
240d2799 | 412 | ath6kl_install_static_wep_keys(vif); |
4703290a JM |
413 | if (!ik->valid || ik->key_type != WAPI_CRYPT) |
414 | break; | |
415 | /* for WAPI, we need to set the delayed group key, continue: */ | |
572e27c0 JM |
416 | case WPA_PSK_AUTH: |
417 | case WPA2_PSK_AUTH: | |
418 | case (WPA_PSK_AUTH | WPA2_PSK_AUTH): | |
419 | if (!ik->valid) | |
bdcd8170 | 420 | break; |
9a5b1318 | 421 | |
572e27c0 JM |
422 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delayed addkey for " |
423 | "the initial group key for AP mode\n"); | |
424 | memset(key_rsc, 0, sizeof(key_rsc)); | |
425 | res = ath6kl_wmi_addkey_cmd( | |
334234b5 | 426 | ar->wmi, vif->fw_vif_idx, ik->key_index, ik->key_type, |
f4bb9a6f JM |
427 | GROUP_USAGE, ik->key_len, key_rsc, ATH6KL_KEY_SEQ_LEN, |
428 | ik->key, | |
572e27c0 JM |
429 | KEY_OP_INIT_VAL, NULL, SYNC_BOTH_WMIFLAG); |
430 | if (res) { | |
431 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delayed " | |
432 | "addkey failed: %d\n", res); | |
bdcd8170 | 433 | } |
572e27c0 | 434 | break; |
bdcd8170 KV |
435 | } |
436 | ||
240d2799 | 437 | ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, NONE_BSS_FILTER, 0); |
59c98449 | 438 | set_bit(CONNECTED, &vif->flags); |
240d2799 | 439 | netif_carrier_on(vif->ndev); |
572e27c0 JM |
440 | } |
441 | ||
240d2799 | 442 | void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr, |
572e27c0 | 443 | u8 keymgmt, u8 ucipher, u8 auth, |
c1762a3f | 444 | u8 assoc_req_len, u8 *assoc_info, u8 apsd_info) |
572e27c0 JM |
445 | { |
446 | u8 *ies = NULL, *wpa_ie = NULL, *pos; | |
447 | size_t ies_len = 0; | |
448 | struct station_info sinfo; | |
449 | ||
450 | ath6kl_dbg(ATH6KL_DBG_TRC, "new station %pM aid=%d\n", mac_addr, aid); | |
bdcd8170 | 451 | |
3c774bba JM |
452 | if (assoc_req_len > sizeof(struct ieee80211_hdr_3addr)) { |
453 | struct ieee80211_mgmt *mgmt = | |
454 | (struct ieee80211_mgmt *) assoc_info; | |
455 | if (ieee80211_is_assoc_req(mgmt->frame_control) && | |
456 | assoc_req_len >= sizeof(struct ieee80211_hdr_3addr) + | |
457 | sizeof(mgmt->u.assoc_req)) { | |
458 | ies = mgmt->u.assoc_req.variable; | |
459 | ies_len = assoc_info + assoc_req_len - ies; | |
460 | } else if (ieee80211_is_reassoc_req(mgmt->frame_control) && | |
461 | assoc_req_len >= sizeof(struct ieee80211_hdr_3addr) | |
462 | + sizeof(mgmt->u.reassoc_req)) { | |
463 | ies = mgmt->u.reassoc_req.variable; | |
464 | ies_len = assoc_info + assoc_req_len - ies; | |
465 | } | |
466 | } | |
467 | ||
468 | pos = ies; | |
469 | while (pos && pos + 1 < ies + ies_len) { | |
470 | if (pos + 2 + pos[1] > ies + ies_len) | |
471 | break; | |
472 | if (pos[0] == WLAN_EID_RSN) | |
473 | wpa_ie = pos; /* RSN IE */ | |
474 | else if (pos[0] == WLAN_EID_VENDOR_SPECIFIC && | |
475 | pos[1] >= 4 && | |
476 | pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2) { | |
477 | if (pos[5] == 0x01) | |
478 | wpa_ie = pos; /* WPA IE */ | |
479 | else if (pos[5] == 0x04) { | |
480 | wpa_ie = pos; /* WPS IE */ | |
481 | break; /* overrides WPA/RSN IE */ | |
482 | } | |
30677ae0 DS |
483 | } else if (pos[0] == 0x44 && wpa_ie == NULL) { |
484 | /* | |
485 | * Note: WAPI Parameter Set IE re-uses Element ID that | |
486 | * was officially allocated for BSS AC Access Delay. As | |
487 | * such, we need to be a bit more careful on when | |
488 | * parsing the frame. However, BSS AC Access Delay | |
489 | * element is not supposed to be included in | |
490 | * (Re)Association Request frames, so this should not | |
491 | * cause problems. | |
492 | */ | |
493 | wpa_ie = pos; /* WAPI IE */ | |
494 | break; | |
3c774bba JM |
495 | } |
496 | pos += 2 + pos[1]; | |
497 | } | |
498 | ||
17741c8d | 499 | ath6kl_add_new_sta(vif, mac_addr, aid, wpa_ie, |
3c774bba | 500 | wpa_ie ? 2 + wpa_ie[1] : 0, |
c1762a3f | 501 | keymgmt, ucipher, auth, apsd_info); |
bdcd8170 KV |
502 | |
503 | /* send event to application */ | |
504 | memset(&sinfo, 0, sizeof(sinfo)); | |
505 | ||
506 | /* TODO: sinfo.generation */ | |
3c774bba JM |
507 | |
508 | sinfo.assoc_req_ies = ies; | |
509 | sinfo.assoc_req_ies_len = ies_len; | |
510 | sinfo.filled |= STATION_INFO_ASSOC_REQ_IES; | |
511 | ||
240d2799 | 512 | cfg80211_new_sta(vif->ndev, mac_addr, &sinfo, GFP_KERNEL); |
bdcd8170 | 513 | |
240d2799 | 514 | netif_wake_queue(vif->ndev); |
bdcd8170 KV |
515 | } |
516 | ||
bdcd8170 KV |
517 | void disconnect_timer_handler(unsigned long ptr) |
518 | { | |
519 | struct net_device *dev = (struct net_device *)ptr; | |
334234b5 | 520 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 | 521 | |
e29f25f5 | 522 | ath6kl_init_profile_info(vif); |
240d2799 | 523 | ath6kl_disconnect(vif); |
bdcd8170 KV |
524 | } |
525 | ||
240d2799 | 526 | void ath6kl_disconnect(struct ath6kl_vif *vif) |
bdcd8170 | 527 | { |
59c98449 VT |
528 | if (test_bit(CONNECTED, &vif->flags) || |
529 | test_bit(CONNECT_PEND, &vif->flags)) { | |
240d2799 | 530 | ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); |
bdcd8170 KV |
531 | /* |
532 | * Disconnect command is issued, clear the connect pending | |
533 | * flag. The connected flag will be cleared in | |
534 | * disconnect event notification. | |
535 | */ | |
59c98449 | 536 | clear_bit(CONNECT_PEND, &vif->flags); |
bdcd8170 KV |
537 | } |
538 | } | |
539 | ||
540 | /* WMI Event handlers */ | |
541 | ||
bdcd8170 KV |
542 | void ath6kl_ready_event(void *devt, u8 *datap, u32 sw_ver, u32 abi_ver) |
543 | { | |
544 | struct ath6kl *ar = devt; | |
bdcd8170 | 545 | |
d66ea4f9 | 546 | memcpy(ar->mac_addr, datap, ETH_ALEN); |
bdcd8170 | 547 | ath6kl_dbg(ATH6KL_DBG_TRC, "%s: mac addr = %pM\n", |
d66ea4f9 | 548 | __func__, ar->mac_addr); |
bdcd8170 KV |
549 | |
550 | ar->version.wlan_ver = sw_ver; | |
551 | ar->version.abi_ver = abi_ver; | |
552 | ||
be98e3a4 VT |
553 | snprintf(ar->wiphy->fw_version, |
554 | sizeof(ar->wiphy->fw_version), | |
bdcd8170 KV |
555 | "%u.%u.%u.%u", |
556 | (ar->version.wlan_ver & 0xf0000000) >> 28, | |
557 | (ar->version.wlan_ver & 0x0f000000) >> 24, | |
558 | (ar->version.wlan_ver & 0x00ff0000) >> 16, | |
559 | (ar->version.wlan_ver & 0x0000ffff)); | |
560 | ||
561 | /* indicate to the waiting thread that the ready event was received */ | |
562 | set_bit(WMI_READY, &ar->flag); | |
563 | wake_up(&ar->event_wq); | |
bdcd8170 KV |
564 | } |
565 | ||
240d2799 | 566 | void ath6kl_scan_complete_evt(struct ath6kl_vif *vif, int status) |
bdcd8170 | 567 | { |
240d2799 | 568 | struct ath6kl *ar = vif->ar; |
1c17d313 | 569 | bool aborted = false; |
59c98449 | 570 | |
1c17d313 KV |
571 | if (status != WMI_SCAN_STATUS_SUCCESS) |
572 | aborted = true; | |
573 | ||
574 | ath6kl_cfg80211_scan_complete_event(vif, aborted); | |
bdcd8170 | 575 | |
551185ca | 576 | if (!ar->usr_bss_filter) { |
59c98449 | 577 | clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); |
240d2799 VT |
578 | ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, |
579 | NONE_BSS_FILTER, 0); | |
551185ca | 580 | } |
bdcd8170 | 581 | |
d23ace77 | 582 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "scan complete: %d\n", status); |
bdcd8170 KV |
583 | } |
584 | ||
240d2799 | 585 | void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel, u8 *bssid, |
bdcd8170 KV |
586 | u16 listen_int, u16 beacon_int, |
587 | enum network_type net_type, u8 beacon_ie_len, | |
588 | u8 assoc_req_len, u8 assoc_resp_len, | |
589 | u8 *assoc_info) | |
590 | { | |
240d2799 | 591 | struct ath6kl *ar = vif->ar; |
59c98449 | 592 | |
240d2799 | 593 | ath6kl_cfg80211_connect_event(vif, channel, bssid, |
bdcd8170 KV |
594 | listen_int, beacon_int, |
595 | net_type, beacon_ie_len, | |
596 | assoc_req_len, assoc_resp_len, | |
597 | assoc_info); | |
598 | ||
8c8b65e3 | 599 | memcpy(vif->bssid, bssid, sizeof(vif->bssid)); |
f74bac54 | 600 | vif->bss_ch = channel; |
bdcd8170 | 601 | |
8232736d SM |
602 | if ((vif->nw_type == INFRA_NETWORK)) { |
603 | ar->listen_intvl_b = listen_int; | |
334234b5 | 604 | ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, |
8232736d SM |
605 | 0, ar->listen_intvl_b); |
606 | } | |
bdcd8170 | 607 | |
240d2799 | 608 | netif_wake_queue(vif->ndev); |
bdcd8170 KV |
609 | |
610 | /* Update connect & link status atomically */ | |
478ac027 | 611 | spin_lock_bh(&vif->if_lock); |
59c98449 VT |
612 | set_bit(CONNECTED, &vif->flags); |
613 | clear_bit(CONNECT_PEND, &vif->flags); | |
240d2799 | 614 | netif_carrier_on(vif->ndev); |
478ac027 | 615 | spin_unlock_bh(&vif->if_lock); |
bdcd8170 | 616 | |
1d2a4456 | 617 | aggr_reset_state(vif->aggr_cntxt->aggr_conn); |
cf5333d7 | 618 | vif->reconnect_flag = 0; |
bdcd8170 | 619 | |
f5938f24 | 620 | if ((vif->nw_type == ADHOC_NETWORK) && ar->ibss_ps_enable) { |
bdcd8170 KV |
621 | memset(ar->node_map, 0, sizeof(ar->node_map)); |
622 | ar->node_num = 0; | |
623 | ar->next_ep_id = ENDPOINT_2; | |
624 | } | |
625 | ||
551185ca | 626 | if (!ar->usr_bss_filter) { |
59c98449 | 627 | set_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); |
240d2799 VT |
628 | ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, |
629 | CURRENT_BSS_FILTER, 0); | |
551185ca | 630 | } |
bdcd8170 KV |
631 | } |
632 | ||
240d2799 | 633 | void ath6kl_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, bool ismcast) |
bdcd8170 KV |
634 | { |
635 | struct ath6kl_sta *sta; | |
240d2799 | 636 | struct ath6kl *ar = vif->ar; |
bdcd8170 | 637 | u8 tsc[6]; |
240d2799 | 638 | |
bdcd8170 KV |
639 | /* |
640 | * For AP case, keyid will have aid of STA which sent pkt with | |
641 | * MIC error. Use this aid to get MAC & send it to hostapd. | |
642 | */ | |
f5938f24 | 643 | if (vif->nw_type == AP_NETWORK) { |
bdcd8170 KV |
644 | sta = ath6kl_find_sta_by_aid(ar, (keyid >> 2)); |
645 | if (!sta) | |
646 | return; | |
647 | ||
648 | ath6kl_dbg(ATH6KL_DBG_TRC, | |
649 | "ap tkip mic error received from aid=%d\n", keyid); | |
650 | ||
651 | memset(tsc, 0, sizeof(tsc)); /* FIX: get correct TSC */ | |
240d2799 | 652 | cfg80211_michael_mic_failure(vif->ndev, sta->mac, |
bdcd8170 KV |
653 | NL80211_KEYTYPE_PAIRWISE, keyid, |
654 | tsc, GFP_KERNEL); | |
655 | } else | |
240d2799 | 656 | ath6kl_cfg80211_tkip_micerr_event(vif, keyid, ismcast); |
bdcd8170 KV |
657 | |
658 | } | |
659 | ||
240d2799 | 660 | static void ath6kl_update_target_stats(struct ath6kl_vif *vif, u8 *ptr, u32 len) |
bdcd8170 KV |
661 | { |
662 | struct wmi_target_stats *tgt_stats = | |
663 | (struct wmi_target_stats *) ptr; | |
240d2799 | 664 | struct ath6kl *ar = vif->ar; |
b95907a7 | 665 | struct target_stats *stats = &vif->target_stats; |
bdcd8170 | 666 | struct tkip_ccmp_stats *ccmp_stats; |
bdcd8170 KV |
667 | u8 ac; |
668 | ||
669 | if (len < sizeof(*tgt_stats)) | |
670 | return; | |
671 | ||
bdcd8170 KV |
672 | ath6kl_dbg(ATH6KL_DBG_TRC, "updating target stats\n"); |
673 | ||
674 | stats->tx_pkt += le32_to_cpu(tgt_stats->stats.tx.pkt); | |
675 | stats->tx_byte += le32_to_cpu(tgt_stats->stats.tx.byte); | |
676 | stats->tx_ucast_pkt += le32_to_cpu(tgt_stats->stats.tx.ucast_pkt); | |
677 | stats->tx_ucast_byte += le32_to_cpu(tgt_stats->stats.tx.ucast_byte); | |
678 | stats->tx_mcast_pkt += le32_to_cpu(tgt_stats->stats.tx.mcast_pkt); | |
679 | stats->tx_mcast_byte += le32_to_cpu(tgt_stats->stats.tx.mcast_byte); | |
680 | stats->tx_bcast_pkt += le32_to_cpu(tgt_stats->stats.tx.bcast_pkt); | |
681 | stats->tx_bcast_byte += le32_to_cpu(tgt_stats->stats.tx.bcast_byte); | |
682 | stats->tx_rts_success_cnt += | |
683 | le32_to_cpu(tgt_stats->stats.tx.rts_success_cnt); | |
684 | ||
685 | for (ac = 0; ac < WMM_NUM_AC; ac++) | |
686 | stats->tx_pkt_per_ac[ac] += | |
687 | le32_to_cpu(tgt_stats->stats.tx.pkt_per_ac[ac]); | |
688 | ||
689 | stats->tx_err += le32_to_cpu(tgt_stats->stats.tx.err); | |
690 | stats->tx_fail_cnt += le32_to_cpu(tgt_stats->stats.tx.fail_cnt); | |
691 | stats->tx_retry_cnt += le32_to_cpu(tgt_stats->stats.tx.retry_cnt); | |
692 | stats->tx_mult_retry_cnt += | |
693 | le32_to_cpu(tgt_stats->stats.tx.mult_retry_cnt); | |
694 | stats->tx_rts_fail_cnt += | |
695 | le32_to_cpu(tgt_stats->stats.tx.rts_fail_cnt); | |
696 | stats->tx_ucast_rate = | |
697 | ath6kl_wmi_get_rate(a_sle32_to_cpu(tgt_stats->stats.tx.ucast_rate)); | |
698 | ||
699 | stats->rx_pkt += le32_to_cpu(tgt_stats->stats.rx.pkt); | |
700 | stats->rx_byte += le32_to_cpu(tgt_stats->stats.rx.byte); | |
701 | stats->rx_ucast_pkt += le32_to_cpu(tgt_stats->stats.rx.ucast_pkt); | |
702 | stats->rx_ucast_byte += le32_to_cpu(tgt_stats->stats.rx.ucast_byte); | |
703 | stats->rx_mcast_pkt += le32_to_cpu(tgt_stats->stats.rx.mcast_pkt); | |
704 | stats->rx_mcast_byte += le32_to_cpu(tgt_stats->stats.rx.mcast_byte); | |
705 | stats->rx_bcast_pkt += le32_to_cpu(tgt_stats->stats.rx.bcast_pkt); | |
706 | stats->rx_bcast_byte += le32_to_cpu(tgt_stats->stats.rx.bcast_byte); | |
707 | stats->rx_frgment_pkt += le32_to_cpu(tgt_stats->stats.rx.frgment_pkt); | |
708 | stats->rx_err += le32_to_cpu(tgt_stats->stats.rx.err); | |
709 | stats->rx_crc_err += le32_to_cpu(tgt_stats->stats.rx.crc_err); | |
710 | stats->rx_key_cache_miss += | |
711 | le32_to_cpu(tgt_stats->stats.rx.key_cache_miss); | |
712 | stats->rx_decrypt_err += le32_to_cpu(tgt_stats->stats.rx.decrypt_err); | |
713 | stats->rx_dupl_frame += le32_to_cpu(tgt_stats->stats.rx.dupl_frame); | |
714 | stats->rx_ucast_rate = | |
715 | ath6kl_wmi_get_rate(a_sle32_to_cpu(tgt_stats->stats.rx.ucast_rate)); | |
716 | ||
717 | ccmp_stats = &tgt_stats->stats.tkip_ccmp_stats; | |
718 | ||
719 | stats->tkip_local_mic_fail += | |
720 | le32_to_cpu(ccmp_stats->tkip_local_mic_fail); | |
721 | stats->tkip_cnter_measures_invoked += | |
722 | le32_to_cpu(ccmp_stats->tkip_cnter_measures_invoked); | |
723 | stats->tkip_fmt_err += le32_to_cpu(ccmp_stats->tkip_fmt_err); | |
724 | ||
725 | stats->ccmp_fmt_err += le32_to_cpu(ccmp_stats->ccmp_fmt_err); | |
726 | stats->ccmp_replays += le32_to_cpu(ccmp_stats->ccmp_replays); | |
727 | ||
728 | stats->pwr_save_fail_cnt += | |
729 | le32_to_cpu(tgt_stats->pm_stats.pwr_save_failure_cnt); | |
730 | stats->noise_floor_calib = | |
731 | a_sle32_to_cpu(tgt_stats->noise_floor_calib); | |
732 | ||
733 | stats->cs_bmiss_cnt += | |
734 | le32_to_cpu(tgt_stats->cserv_stats.cs_bmiss_cnt); | |
735 | stats->cs_low_rssi_cnt += | |
736 | le32_to_cpu(tgt_stats->cserv_stats.cs_low_rssi_cnt); | |
737 | stats->cs_connect_cnt += | |
738 | le16_to_cpu(tgt_stats->cserv_stats.cs_connect_cnt); | |
739 | stats->cs_discon_cnt += | |
740 | le16_to_cpu(tgt_stats->cserv_stats.cs_discon_cnt); | |
741 | ||
742 | stats->cs_ave_beacon_rssi = | |
743 | a_sle16_to_cpu(tgt_stats->cserv_stats.cs_ave_beacon_rssi); | |
744 | ||
745 | stats->cs_last_roam_msec = | |
746 | tgt_stats->cserv_stats.cs_last_roam_msec; | |
747 | stats->cs_snr = tgt_stats->cserv_stats.cs_snr; | |
748 | stats->cs_rssi = a_sle16_to_cpu(tgt_stats->cserv_stats.cs_rssi); | |
749 | ||
750 | stats->lq_val = le32_to_cpu(tgt_stats->lq_val); | |
751 | ||
752 | stats->wow_pkt_dropped += | |
753 | le32_to_cpu(tgt_stats->wow_stats.wow_pkt_dropped); | |
754 | stats->wow_host_pkt_wakeups += | |
755 | tgt_stats->wow_stats.wow_host_pkt_wakeups; | |
756 | stats->wow_host_evt_wakeups += | |
757 | tgt_stats->wow_stats.wow_host_evt_wakeups; | |
758 | stats->wow_evt_discarded += | |
759 | le16_to_cpu(tgt_stats->wow_stats.wow_evt_discarded); | |
760 | ||
b95907a7 VT |
761 | if (test_bit(STATS_UPDATE_PEND, &vif->flags)) { |
762 | clear_bit(STATS_UPDATE_PEND, &vif->flags); | |
bdcd8170 KV |
763 | wake_up(&ar->event_wq); |
764 | } | |
765 | } | |
766 | ||
767 | static void ath6kl_add_le32(__le32 *var, __le32 val) | |
768 | { | |
769 | *var = cpu_to_le32(le32_to_cpu(*var) + le32_to_cpu(val)); | |
770 | } | |
771 | ||
240d2799 | 772 | void ath6kl_tgt_stats_event(struct ath6kl_vif *vif, u8 *ptr, u32 len) |
bdcd8170 KV |
773 | { |
774 | struct wmi_ap_mode_stat *p = (struct wmi_ap_mode_stat *) ptr; | |
240d2799 | 775 | struct ath6kl *ar = vif->ar; |
bdcd8170 KV |
776 | struct wmi_ap_mode_stat *ap = &ar->ap_stats; |
777 | struct wmi_per_sta_stat *st_ap, *st_p; | |
778 | u8 ac; | |
779 | ||
f5938f24 | 780 | if (vif->nw_type == AP_NETWORK) { |
bdcd8170 KV |
781 | if (len < sizeof(*p)) |
782 | return; | |
783 | ||
784 | for (ac = 0; ac < AP_MAX_NUM_STA; ac++) { | |
785 | st_ap = &ap->sta[ac]; | |
786 | st_p = &p->sta[ac]; | |
787 | ||
788 | ath6kl_add_le32(&st_ap->tx_bytes, st_p->tx_bytes); | |
789 | ath6kl_add_le32(&st_ap->tx_pkts, st_p->tx_pkts); | |
790 | ath6kl_add_le32(&st_ap->tx_error, st_p->tx_error); | |
791 | ath6kl_add_le32(&st_ap->tx_discard, st_p->tx_discard); | |
792 | ath6kl_add_le32(&st_ap->rx_bytes, st_p->rx_bytes); | |
793 | ath6kl_add_le32(&st_ap->rx_pkts, st_p->rx_pkts); | |
794 | ath6kl_add_le32(&st_ap->rx_error, st_p->rx_error); | |
795 | ath6kl_add_le32(&st_ap->rx_discard, st_p->rx_discard); | |
796 | } | |
797 | ||
798 | } else { | |
240d2799 | 799 | ath6kl_update_target_stats(vif, ptr, len); |
bdcd8170 KV |
800 | } |
801 | } | |
802 | ||
803 | void ath6kl_wakeup_event(void *dev) | |
804 | { | |
805 | struct ath6kl *ar = (struct ath6kl *) dev; | |
806 | ||
807 | wake_up(&ar->event_wq); | |
808 | } | |
809 | ||
810 | void ath6kl_txpwr_rx_evt(void *devt, u8 tx_pwr) | |
811 | { | |
812 | struct ath6kl *ar = (struct ath6kl *) devt; | |
813 | ||
814 | ar->tx_pwr = tx_pwr; | |
815 | wake_up(&ar->event_wq); | |
816 | } | |
817 | ||
240d2799 | 818 | void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid) |
bdcd8170 KV |
819 | { |
820 | struct ath6kl_sta *conn; | |
821 | struct sk_buff *skb; | |
822 | bool psq_empty = false; | |
240d2799 | 823 | struct ath6kl *ar = vif->ar; |
d0ff7383 | 824 | struct ath6kl_mgmt_buff *mgmt_buf; |
bdcd8170 KV |
825 | |
826 | conn = ath6kl_find_sta_by_aid(ar, aid); | |
827 | ||
828 | if (!conn) | |
829 | return; | |
830 | /* | |
831 | * Send out a packet queued on ps queue. When the ps queue | |
832 | * becomes empty update the PVB for this station. | |
833 | */ | |
834 | spin_lock_bh(&conn->psq_lock); | |
d0ff7383 | 835 | psq_empty = skb_queue_empty(&conn->psq) && (conn->mgmt_psq_len == 0); |
bdcd8170 KV |
836 | spin_unlock_bh(&conn->psq_lock); |
837 | ||
838 | if (psq_empty) | |
839 | /* TODO: Send out a NULL data frame */ | |
840 | return; | |
841 | ||
842 | spin_lock_bh(&conn->psq_lock); | |
d0ff7383 NG |
843 | if (conn->mgmt_psq_len > 0) { |
844 | mgmt_buf = list_first_entry(&conn->mgmt_psq, | |
845 | struct ath6kl_mgmt_buff, list); | |
846 | list_del(&mgmt_buf->list); | |
847 | conn->mgmt_psq_len--; | |
848 | spin_unlock_bh(&conn->psq_lock); | |
849 | ||
850 | conn->sta_flags |= STA_PS_POLLED; | |
851 | ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, | |
852 | mgmt_buf->id, mgmt_buf->freq, | |
853 | mgmt_buf->wait, mgmt_buf->buf, | |
854 | mgmt_buf->len, mgmt_buf->no_cck); | |
855 | conn->sta_flags &= ~STA_PS_POLLED; | |
856 | kfree(mgmt_buf); | |
857 | } else { | |
858 | skb = skb_dequeue(&conn->psq); | |
859 | spin_unlock_bh(&conn->psq_lock); | |
bdcd8170 | 860 | |
d0ff7383 NG |
861 | conn->sta_flags |= STA_PS_POLLED; |
862 | ath6kl_data_tx(skb, vif->ndev); | |
863 | conn->sta_flags &= ~STA_PS_POLLED; | |
864 | } | |
bdcd8170 KV |
865 | |
866 | spin_lock_bh(&conn->psq_lock); | |
d0ff7383 | 867 | psq_empty = skb_queue_empty(&conn->psq) && (conn->mgmt_psq_len == 0); |
bdcd8170 KV |
868 | spin_unlock_bh(&conn->psq_lock); |
869 | ||
870 | if (psq_empty) | |
334234b5 | 871 | ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, conn->aid, 0); |
bdcd8170 KV |
872 | } |
873 | ||
240d2799 | 874 | void ath6kl_dtimexpiry_event(struct ath6kl_vif *vif) |
bdcd8170 KV |
875 | { |
876 | bool mcastq_empty = false; | |
877 | struct sk_buff *skb; | |
240d2799 | 878 | struct ath6kl *ar = vif->ar; |
bdcd8170 KV |
879 | |
880 | /* | |
881 | * If there are no associated STAs, ignore the DTIM expiry event. | |
882 | * There can be potential race conditions where the last associated | |
883 | * STA may disconnect & before the host could clear the 'Indicate | |
884 | * DTIM' request to the firmware, the firmware would have just | |
885 | * indicated a DTIM expiry event. The race is between 'clear DTIM | |
886 | * expiry cmd' going from the host to the firmware & the DTIM | |
887 | * expiry event happening from the firmware to the host. | |
888 | */ | |
889 | if (!ar->sta_list_index) | |
890 | return; | |
891 | ||
892 | spin_lock_bh(&ar->mcastpsq_lock); | |
893 | mcastq_empty = skb_queue_empty(&ar->mcastpsq); | |
894 | spin_unlock_bh(&ar->mcastpsq_lock); | |
895 | ||
896 | if (mcastq_empty) | |
897 | return; | |
898 | ||
899 | /* set the STA flag to dtim_expired for the frame to go out */ | |
59c98449 | 900 | set_bit(DTIM_EXPIRED, &vif->flags); |
bdcd8170 KV |
901 | |
902 | spin_lock_bh(&ar->mcastpsq_lock); | |
903 | while ((skb = skb_dequeue(&ar->mcastpsq)) != NULL) { | |
904 | spin_unlock_bh(&ar->mcastpsq_lock); | |
905 | ||
240d2799 | 906 | ath6kl_data_tx(skb, vif->ndev); |
bdcd8170 KV |
907 | |
908 | spin_lock_bh(&ar->mcastpsq_lock); | |
909 | } | |
910 | spin_unlock_bh(&ar->mcastpsq_lock); | |
911 | ||
59c98449 | 912 | clear_bit(DTIM_EXPIRED, &vif->flags); |
bdcd8170 KV |
913 | |
914 | /* clear the LSB of the BitMapCtl field of the TIM IE */ | |
334234b5 | 915 | ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, MCAST_AID, 0); |
bdcd8170 KV |
916 | } |
917 | ||
240d2799 | 918 | void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason, u8 *bssid, |
bdcd8170 KV |
919 | u8 assoc_resp_len, u8 *assoc_info, |
920 | u16 prot_reason_status) | |
921 | { | |
240d2799 | 922 | struct ath6kl *ar = vif->ar; |
59c98449 | 923 | |
f5938f24 | 924 | if (vif->nw_type == AP_NETWORK) { |
bdcd8170 KV |
925 | if (!ath6kl_remove_sta(ar, bssid, prot_reason_status)) |
926 | return; | |
927 | ||
928 | /* if no more associated STAs, empty the mcast PS q */ | |
929 | if (ar->sta_list_index == 0) { | |
930 | spin_lock_bh(&ar->mcastpsq_lock); | |
931 | skb_queue_purge(&ar->mcastpsq); | |
932 | spin_unlock_bh(&ar->mcastpsq_lock); | |
933 | ||
934 | /* clear the LSB of the TIM IE's BitMapCtl field */ | |
935 | if (test_bit(WMI_READY, &ar->flag)) | |
334234b5 VT |
936 | ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, |
937 | MCAST_AID, 0); | |
bdcd8170 KV |
938 | } |
939 | ||
940 | if (!is_broadcast_ether_addr(bssid)) { | |
941 | /* send event to application */ | |
240d2799 | 942 | cfg80211_del_sta(vif->ndev, bssid, GFP_KERNEL); |
bdcd8170 KV |
943 | } |
944 | ||
240d2799 | 945 | if (memcmp(vif->ndev->dev_addr, bssid, ETH_ALEN) == 0) { |
6f2a73f9 | 946 | memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list)); |
59c98449 | 947 | clear_bit(CONNECTED, &vif->flags); |
151411e8 | 948 | } |
bdcd8170 KV |
949 | return; |
950 | } | |
951 | ||
240d2799 | 952 | ath6kl_cfg80211_disconnect_event(vif, reason, bssid, |
bdcd8170 KV |
953 | assoc_resp_len, assoc_info, |
954 | prot_reason_status); | |
955 | ||
1d2a4456 | 956 | aggr_reset_state(vif->aggr_cntxt->aggr_conn); |
bdcd8170 | 957 | |
de3ad713 | 958 | del_timer(&vif->disconnect_timer); |
bdcd8170 | 959 | |
d23ace77 | 960 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "disconnect reason is %d\n", reason); |
bdcd8170 KV |
961 | |
962 | /* | |
963 | * If the event is due to disconnect cmd from the host, only they | |
964 | * the target would stop trying to connect. Under any other | |
965 | * condition, target would keep trying to connect. | |
966 | */ | |
967 | if (reason == DISCONNECT_CMD) { | |
968 | if (!ar->usr_bss_filter && test_bit(WMI_READY, &ar->flag)) | |
240d2799 VT |
969 | ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, |
970 | NONE_BSS_FILTER, 0); | |
bdcd8170 | 971 | } else { |
59c98449 | 972 | set_bit(CONNECT_PEND, &vif->flags); |
bdcd8170 KV |
973 | if (((reason == ASSOC_FAILED) && |
974 | (prot_reason_status == 0x11)) || | |
975 | ((reason == ASSOC_FAILED) && (prot_reason_status == 0x0) | |
cf5333d7 | 976 | && (vif->reconnect_flag == 1))) { |
59c98449 | 977 | set_bit(CONNECTED, &vif->flags); |
bdcd8170 KV |
978 | return; |
979 | } | |
980 | } | |
981 | ||
bdcd8170 | 982 | /* update connect & link status atomically */ |
478ac027 | 983 | spin_lock_bh(&vif->if_lock); |
59c98449 | 984 | clear_bit(CONNECTED, &vif->flags); |
240d2799 | 985 | netif_carrier_off(vif->ndev); |
478ac027 | 986 | spin_unlock_bh(&vif->if_lock); |
bdcd8170 | 987 | |
cf5333d7 VT |
988 | if ((reason != CSERV_DISCONNECT) || (vif->reconnect_flag != 1)) |
989 | vif->reconnect_flag = 0; | |
bdcd8170 KV |
990 | |
991 | if (reason != CSERV_DISCONNECT) | |
992 | ar->user_key_ctrl = 0; | |
993 | ||
240d2799 | 994 | netif_stop_queue(vif->ndev); |
8c8b65e3 | 995 | memset(vif->bssid, 0, sizeof(vif->bssid)); |
f74bac54 | 996 | vif->bss_ch = 0; |
bdcd8170 KV |
997 | |
998 | ath6kl_tx_data_cleanup(ar); | |
999 | } | |
1000 | ||
990bd915 VT |
1001 | struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar) |
1002 | { | |
1003 | struct ath6kl_vif *vif; | |
1004 | ||
11f6e40d | 1005 | spin_lock_bh(&ar->list_lock); |
990bd915 | 1006 | if (list_empty(&ar->vif_list)) { |
11f6e40d | 1007 | spin_unlock_bh(&ar->list_lock); |
990bd915 VT |
1008 | return NULL; |
1009 | } | |
1010 | ||
1011 | vif = list_first_entry(&ar->vif_list, struct ath6kl_vif, list); | |
1012 | ||
11f6e40d | 1013 | spin_unlock_bh(&ar->list_lock); |
990bd915 VT |
1014 | |
1015 | return vif; | |
1016 | } | |
1017 | ||
bdcd8170 KV |
1018 | static int ath6kl_open(struct net_device *dev) |
1019 | { | |
59c98449 | 1020 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 | 1021 | |
59c98449 | 1022 | set_bit(WLAN_ENABLED, &vif->flags); |
bdcd8170 | 1023 | |
59c98449 | 1024 | if (test_bit(CONNECTED, &vif->flags)) { |
bdcd8170 KV |
1025 | netif_carrier_on(dev); |
1026 | netif_wake_queue(dev); | |
1027 | } else | |
1028 | netif_carrier_off(dev); | |
1029 | ||
bdcd8170 KV |
1030 | return 0; |
1031 | } | |
1032 | ||
1033 | static int ath6kl_close(struct net_device *dev) | |
1034 | { | |
59c98449 | 1035 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 KV |
1036 | |
1037 | netif_stop_queue(dev); | |
1038 | ||
7125f01d | 1039 | ath6kl_cfg80211_stop(vif); |
bdcd8170 | 1040 | |
68469341 KV |
1041 | clear_bit(WLAN_ENABLED, &vif->flags); |
1042 | ||
bdcd8170 KV |
1043 | return 0; |
1044 | } | |
1045 | ||
1046 | static struct net_device_stats *ath6kl_get_stats(struct net_device *dev) | |
1047 | { | |
b95907a7 | 1048 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 | 1049 | |
b95907a7 | 1050 | return &vif->net_stats; |
bdcd8170 KV |
1051 | } |
1052 | ||
d6f80261 KV |
1053 | static int ath6kl_set_features(struct net_device *dev, |
1054 | netdev_features_t features) | |
bc48ad31 RP |
1055 | { |
1056 | struct ath6kl_vif *vif = netdev_priv(dev); | |
1057 | struct ath6kl *ar = vif->ar; | |
1058 | int err = 0; | |
1059 | ||
1060 | if ((features & NETIF_F_RXCSUM) && | |
1061 | (ar->rx_meta_ver != WMI_META_VERSION_2)) { | |
1062 | ar->rx_meta_ver = WMI_META_VERSION_2; | |
1063 | err = ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi, | |
1064 | vif->fw_vif_idx, | |
1065 | ar->rx_meta_ver, 0, 0); | |
1066 | if (err) { | |
1067 | dev->features = features & ~NETIF_F_RXCSUM; | |
1068 | return err; | |
1069 | } | |
1070 | } else if (!(features & NETIF_F_RXCSUM) && | |
1071 | (ar->rx_meta_ver == WMI_META_VERSION_2)) { | |
1072 | ar->rx_meta_ver = 0; | |
1073 | err = ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi, | |
1074 | vif->fw_vif_idx, | |
1075 | ar->rx_meta_ver, 0, 0); | |
1076 | if (err) { | |
1077 | dev->features = features | NETIF_F_RXCSUM; | |
1078 | return err; | |
1079 | } | |
1080 | ||
1081 | } | |
1082 | ||
1083 | return err; | |
1084 | } | |
1085 | ||
80abaf9b VT |
1086 | static void ath6kl_set_multicast_list(struct net_device *ndev) |
1087 | { | |
1088 | struct ath6kl_vif *vif = netdev_priv(ndev); | |
1089 | bool mc_all_on = false, mc_all_off = false; | |
1090 | int mc_count = netdev_mc_count(ndev); | |
1091 | struct netdev_hw_addr *ha; | |
1092 | bool found; | |
1093 | struct ath6kl_mc_filter *mc_filter, *tmp; | |
1094 | struct list_head mc_filter_new; | |
1095 | int ret; | |
1096 | ||
1097 | if (!test_bit(WMI_READY, &vif->ar->flag) || | |
1098 | !test_bit(WLAN_ENABLED, &vif->flags)) | |
1099 | return; | |
1100 | ||
1101 | mc_all_on = !!(ndev->flags & IFF_PROMISC) || | |
1102 | !!(ndev->flags & IFF_ALLMULTI) || | |
1103 | !!(mc_count > ATH6K_MAX_MC_FILTERS_PER_LIST); | |
1104 | ||
1105 | mc_all_off = !(ndev->flags & IFF_MULTICAST) || mc_count == 0; | |
1106 | ||
1107 | if (mc_all_on || mc_all_off) { | |
1108 | /* Enable/disable all multicast */ | |
1109 | ath6kl_dbg(ATH6KL_DBG_TRC, "%s multicast filter\n", | |
1110 | mc_all_on ? "enabling" : "disabling"); | |
1111 | ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, vif->fw_vif_idx, | |
1112 | mc_all_on); | |
1113 | if (ret) | |
1114 | ath6kl_warn("Failed to %s multicast receive\n", | |
1115 | mc_all_on ? "enable" : "disable"); | |
1116 | return; | |
1117 | } | |
1118 | ||
1119 | list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) { | |
1120 | found = false; | |
1121 | netdev_for_each_mc_addr(ha, ndev) { | |
1122 | if (memcmp(ha->addr, mc_filter->hw_addr, | |
1123 | ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE) == 0) { | |
1124 | found = true; | |
1125 | break; | |
1126 | } | |
1127 | } | |
1128 | ||
1129 | if (!found) { | |
1130 | /* | |
1131 | * Delete the filter which was previously set | |
1132 | * but not in the new request. | |
1133 | */ | |
1134 | ath6kl_dbg(ATH6KL_DBG_TRC, | |
1135 | "Removing %pM from multicast filter\n", | |
1136 | mc_filter->hw_addr); | |
1137 | ret = ath6kl_wmi_add_del_mcast_filter_cmd(vif->ar->wmi, | |
1138 | vif->fw_vif_idx, mc_filter->hw_addr, | |
1139 | false); | |
1140 | if (ret) { | |
1141 | ath6kl_warn("Failed to remove multicast filter:%pM\n", | |
1142 | mc_filter->hw_addr); | |
1143 | return; | |
1144 | } | |
1145 | ||
1146 | list_del(&mc_filter->list); | |
1147 | kfree(mc_filter); | |
1148 | } | |
1149 | } | |
1150 | ||
1151 | INIT_LIST_HEAD(&mc_filter_new); | |
1152 | ||
1153 | netdev_for_each_mc_addr(ha, ndev) { | |
1154 | found = false; | |
1155 | list_for_each_entry(mc_filter, &vif->mc_filter, list) { | |
1156 | if (memcmp(ha->addr, mc_filter->hw_addr, | |
1157 | ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE) == 0) { | |
1158 | found = true; | |
1159 | break; | |
1160 | } | |
1161 | } | |
1162 | ||
1163 | if (!found) { | |
1164 | mc_filter = kzalloc(sizeof(struct ath6kl_mc_filter), | |
1165 | GFP_ATOMIC); | |
1166 | if (!mc_filter) { | |
1167 | WARN_ON(1); | |
1168 | goto out; | |
1169 | } | |
1170 | ||
1171 | memcpy(mc_filter->hw_addr, ha->addr, | |
1172 | ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE); | |
1173 | /* Set the multicast filter */ | |
1174 | ath6kl_dbg(ATH6KL_DBG_TRC, | |
1175 | "Adding %pM to multicast filter list\n", | |
1176 | mc_filter->hw_addr); | |
1177 | ret = ath6kl_wmi_add_del_mcast_filter_cmd(vif->ar->wmi, | |
1178 | vif->fw_vif_idx, mc_filter->hw_addr, | |
1179 | true); | |
1180 | if (ret) { | |
1181 | ath6kl_warn("Failed to add multicast filter :%pM\n", | |
1182 | mc_filter->hw_addr); | |
1183 | kfree(mc_filter); | |
1184 | goto out; | |
1185 | } | |
1186 | ||
1187 | list_add_tail(&mc_filter->list, &mc_filter_new); | |
1188 | } | |
1189 | } | |
1190 | ||
1191 | out: | |
1192 | list_splice_tail(&mc_filter_new, &vif->mc_filter); | |
1193 | } | |
1194 | ||
4269a930 | 1195 | static const struct net_device_ops ath6kl_netdev_ops = { |
bdcd8170 KV |
1196 | .ndo_open = ath6kl_open, |
1197 | .ndo_stop = ath6kl_close, | |
1198 | .ndo_start_xmit = ath6kl_data_tx, | |
1199 | .ndo_get_stats = ath6kl_get_stats, | |
bc48ad31 | 1200 | .ndo_set_features = ath6kl_set_features, |
80abaf9b | 1201 | .ndo_set_rx_mode = ath6kl_set_multicast_list, |
bdcd8170 KV |
1202 | }; |
1203 | ||
1204 | void init_netdev(struct net_device *dev) | |
1205 | { | |
1206 | dev->netdev_ops = &ath6kl_netdev_ops; | |
27929723 | 1207 | dev->destructor = free_netdev; |
bdcd8170 KV |
1208 | dev->watchdog_timeo = ATH6KL_TX_TIMEOUT; |
1209 | ||
1210 | dev->needed_headroom = ETH_HLEN; | |
1211 | dev->needed_headroom += sizeof(struct ath6kl_llc_snap_hdr) + | |
1212 | sizeof(struct wmi_data_hdr) + HTC_HDR_LENGTH | |
1df94a85 | 1213 | + WMI_MAX_TX_META_SZ + ATH6KL_HTC_ALIGN_BYTES; |
bdcd8170 | 1214 | |
4705b703 VT |
1215 | dev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM; |
1216 | ||
bdcd8170 KV |
1217 | return; |
1218 | } |