Commit | Line | Data |
---|---|---|
f5fc0f86 | 1 | /* |
8f6ac537 | 2 | * This file is part of wlcore |
f5fc0f86 | 3 | * |
8bf29b0e | 4 | * Copyright (C) 2008-2010 Nokia Corporation |
8f6ac537 | 5 | * Copyright (C) 2011-2013 Texas Instruments Inc. |
f5fc0f86 LC |
6 | * |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License | |
9 | * version 2 as published by the Free Software Foundation. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
19 | * 02110-1301 USA | |
20 | * | |
21 | */ | |
22 | ||
23 | #include <linux/module.h> | |
f5fc0f86 | 24 | #include <linux/firmware.h> |
f5fc0f86 | 25 | #include <linux/etherdevice.h> |
1fba4974 | 26 | #include <linux/vmalloc.h> |
a390e85c | 27 | #include <linux/interrupt.h> |
6f921fab | 28 | #include <linux/irq.h> |
f5fc0f86 | 29 | |
c31be25a | 30 | #include "wlcore.h" |
0f4e3122 | 31 | #include "debug.h" |
f5fc0f86 | 32 | #include "wl12xx_80211.h" |
00d20100 | 33 | #include "io.h" |
00d20100 | 34 | #include "tx.h" |
00d20100 SL |
35 | #include "ps.h" |
36 | #include "init.h" | |
37 | #include "debugfs.h" | |
00d20100 | 38 | #include "testmode.h" |
d8c5a48d | 39 | #include "vendor_cmd.h" |
00d20100 | 40 | #include "scan.h" |
53d67a50 | 41 | #include "hw_ops.h" |
33cab57a | 42 | #include "sysfs.h" |
f5fc0f86 | 43 | |
9ccd9217 JO |
44 | #define WL1271_BOOT_RETRIES 3 |
45 | ||
95dac04f | 46 | static char *fwlog_param; |
93ac8488 | 47 | static int fwlog_mem_blocks = -1; |
7230341f YS |
48 | static int bug_on_recovery = -1; |
49 | static int no_recovery = -1; | |
95dac04f | 50 | |
7dece1c8 | 51 | static void __wl1271_op_remove_interface(struct wl1271 *wl, |
536129c8 | 52 | struct ieee80211_vif *vif, |
7dece1c8 | 53 | bool reset_tx_queues); |
c24ec83b | 54 | static void wlcore_op_stop_locked(struct wl1271 *wl); |
170d0e67 | 55 | static void wl1271_free_ap_keys(struct wl1271 *wl, struct wl12xx_vif *wlvif); |
52b0e7a6 | 56 | |
8f6ac537 | 57 | static int wl12xx_set_authorized(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
ef4b29e9 EP |
58 | { |
59 | int ret; | |
0603d891 | 60 | |
9fd6f21b EP |
61 | if (WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS)) |
62 | return -EINVAL; | |
63 | ||
64 | if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) | |
ef4b29e9 EP |
65 | return 0; |
66 | ||
8181aecc | 67 | if (test_and_set_bit(WLVIF_FLAG_STA_STATE_SENT, &wlvif->flags)) |
ef4b29e9 EP |
68 | return 0; |
69 | ||
d50529c0 | 70 | ret = wl12xx_cmd_set_peer_state(wl, wlvif, wlvif->sta.hlid); |
ef4b29e9 EP |
71 | if (ret < 0) |
72 | return ret; | |
73 | ||
74 | wl1271_info("Association completed."); | |
75 | return 0; | |
76 | } | |
c2c192ac | 77 | |
0c0280bd LR |
78 | static void wl1271_reg_notify(struct wiphy *wiphy, |
79 | struct regulatory_request *request) | |
573c67cf | 80 | { |
6b70e7eb VG |
81 | struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); |
82 | struct wl1271 *wl = hw->priv; | |
b7417d93 | 83 | |
1cd91b2c GM |
84 | /* copy the current dfs region */ |
85 | if (request) | |
86 | wl->dfs_region = request->dfs_region; | |
87 | ||
75592be5 | 88 | wlcore_regdomain_config(wl); |
b7417d93 JO |
89 | } |
90 | ||
9eb599e9 EP |
91 | static int wl1271_set_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
92 | bool enable) | |
77ddaa10 EP |
93 | { |
94 | int ret = 0; | |
95 | ||
96 | /* we should hold wl->mutex */ | |
9eb599e9 | 97 | ret = wl1271_acx_ps_rx_streaming(wl, wlvif, enable); |
77ddaa10 EP |
98 | if (ret < 0) |
99 | goto out; | |
100 | ||
101 | if (enable) | |
0744bdb6 | 102 | set_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags); |
77ddaa10 | 103 | else |
0744bdb6 | 104 | clear_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags); |
77ddaa10 EP |
105 | out: |
106 | return ret; | |
107 | } | |
108 | ||
109 | /* | |
110 | * this function is being called when the rx_streaming interval | |
111 | * has beed changed or rx_streaming should be disabled | |
112 | */ | |
9eb599e9 | 113 | int wl1271_recalc_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
77ddaa10 EP |
114 | { |
115 | int ret = 0; | |
116 | int period = wl->conf.rx_streaming.interval; | |
117 | ||
118 | /* don't reconfigure if rx_streaming is disabled */ | |
0744bdb6 | 119 | if (!test_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags)) |
77ddaa10 EP |
120 | goto out; |
121 | ||
122 | /* reconfigure/disable according to new streaming_period */ | |
123 | if (period && | |
ba8447f6 | 124 | test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) && |
77ddaa10 EP |
125 | (wl->conf.rx_streaming.always || |
126 | test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) | |
9eb599e9 | 127 | ret = wl1271_set_rx_streaming(wl, wlvif, true); |
77ddaa10 | 128 | else { |
9eb599e9 | 129 | ret = wl1271_set_rx_streaming(wl, wlvif, false); |
77ddaa10 | 130 | /* don't cancel_work_sync since we might deadlock */ |
9eb599e9 | 131 | del_timer_sync(&wlvif->rx_streaming_timer); |
77ddaa10 EP |
132 | } |
133 | out: | |
134 | return ret; | |
135 | } | |
136 | ||
137 | static void wl1271_rx_streaming_enable_work(struct work_struct *work) | |
138 | { | |
139 | int ret; | |
9eb599e9 EP |
140 | struct wl12xx_vif *wlvif = container_of(work, struct wl12xx_vif, |
141 | rx_streaming_enable_work); | |
142 | struct wl1271 *wl = wlvif->wl; | |
77ddaa10 EP |
143 | |
144 | mutex_lock(&wl->mutex); | |
145 | ||
0744bdb6 | 146 | if (test_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags) || |
ba8447f6 | 147 | !test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) || |
77ddaa10 EP |
148 | (!wl->conf.rx_streaming.always && |
149 | !test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) | |
150 | goto out; | |
151 | ||
152 | if (!wl->conf.rx_streaming.interval) | |
153 | goto out; | |
154 | ||
155 | ret = wl1271_ps_elp_wakeup(wl); | |
156 | if (ret < 0) | |
157 | goto out; | |
158 | ||
9eb599e9 | 159 | ret = wl1271_set_rx_streaming(wl, wlvif, true); |
77ddaa10 EP |
160 | if (ret < 0) |
161 | goto out_sleep; | |
162 | ||
163 | /* stop it after some time of inactivity */ | |
9eb599e9 | 164 | mod_timer(&wlvif->rx_streaming_timer, |
77ddaa10 EP |
165 | jiffies + msecs_to_jiffies(wl->conf.rx_streaming.duration)); |
166 | ||
167 | out_sleep: | |
168 | wl1271_ps_elp_sleep(wl); | |
169 | out: | |
170 | mutex_unlock(&wl->mutex); | |
171 | } | |
172 | ||
173 | static void wl1271_rx_streaming_disable_work(struct work_struct *work) | |
174 | { | |
175 | int ret; | |
9eb599e9 EP |
176 | struct wl12xx_vif *wlvif = container_of(work, struct wl12xx_vif, |
177 | rx_streaming_disable_work); | |
178 | struct wl1271 *wl = wlvif->wl; | |
77ddaa10 EP |
179 | |
180 | mutex_lock(&wl->mutex); | |
181 | ||
0744bdb6 | 182 | if (!test_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags)) |
77ddaa10 EP |
183 | goto out; |
184 | ||
185 | ret = wl1271_ps_elp_wakeup(wl); | |
186 | if (ret < 0) | |
187 | goto out; | |
188 | ||
9eb599e9 | 189 | ret = wl1271_set_rx_streaming(wl, wlvif, false); |
77ddaa10 EP |
190 | if (ret) |
191 | goto out_sleep; | |
192 | ||
193 | out_sleep: | |
194 | wl1271_ps_elp_sleep(wl); | |
195 | out: | |
196 | mutex_unlock(&wl->mutex); | |
197 | } | |
198 | ||
199 | static void wl1271_rx_streaming_timer(unsigned long data) | |
200 | { | |
9eb599e9 EP |
201 | struct wl12xx_vif *wlvif = (struct wl12xx_vif *)data; |
202 | struct wl1271 *wl = wlvif->wl; | |
203 | ieee80211_queue_work(wl->hw, &wlvif->rx_streaming_disable_work); | |
77ddaa10 EP |
204 | } |
205 | ||
55df5afb AN |
206 | /* wl->mutex must be taken */ |
207 | void wl12xx_rearm_tx_watchdog_locked(struct wl1271 *wl) | |
208 | { | |
209 | /* if the watchdog is not armed, don't do anything */ | |
210 | if (wl->tx_allocated_blocks == 0) | |
211 | return; | |
212 | ||
213 | cancel_delayed_work(&wl->tx_watchdog_work); | |
214 | ieee80211_queue_delayed_work(wl->hw, &wl->tx_watchdog_work, | |
215 | msecs_to_jiffies(wl->conf.tx.tx_watchdog_timeout)); | |
216 | } | |
217 | ||
7d3b29e5 EP |
218 | static void wlcore_rc_update_work(struct work_struct *work) |
219 | { | |
220 | int ret; | |
221 | struct wl12xx_vif *wlvif = container_of(work, struct wl12xx_vif, | |
222 | rc_update_work); | |
223 | struct wl1271 *wl = wlvif->wl; | |
224 | ||
225 | mutex_lock(&wl->mutex); | |
226 | ||
227 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
228 | goto out; | |
229 | ||
230 | ret = wl1271_ps_elp_wakeup(wl); | |
231 | if (ret < 0) | |
232 | goto out; | |
233 | ||
234 | wlcore_hw_sta_rc_update(wl, wlvif); | |
235 | ||
236 | wl1271_ps_elp_sleep(wl); | |
237 | out: | |
238 | mutex_unlock(&wl->mutex); | |
239 | } | |
240 | ||
55df5afb AN |
241 | static void wl12xx_tx_watchdog_work(struct work_struct *work) |
242 | { | |
243 | struct delayed_work *dwork; | |
244 | struct wl1271 *wl; | |
245 | ||
246 | dwork = container_of(work, struct delayed_work, work); | |
247 | wl = container_of(dwork, struct wl1271, tx_watchdog_work); | |
248 | ||
249 | mutex_lock(&wl->mutex); | |
250 | ||
4cc53383 | 251 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
55df5afb AN |
252 | goto out; |
253 | ||
254 | /* Tx went out in the meantime - everything is ok */ | |
255 | if (unlikely(wl->tx_allocated_blocks == 0)) | |
256 | goto out; | |
257 | ||
258 | /* | |
259 | * if a ROC is in progress, we might not have any Tx for a long | |
260 | * time (e.g. pending Tx on the non-ROC channels) | |
261 | */ | |
262 | if (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) < WL12XX_MAX_ROLES) { | |
263 | wl1271_debug(DEBUG_TX, "No Tx (in FW) for %d ms due to ROC", | |
264 | wl->conf.tx.tx_watchdog_timeout); | |
265 | wl12xx_rearm_tx_watchdog_locked(wl); | |
266 | goto out; | |
267 | } | |
268 | ||
269 | /* | |
270 | * if a scan is in progress, we might not have any Tx for a long | |
271 | * time | |
272 | */ | |
273 | if (wl->scan.state != WL1271_SCAN_STATE_IDLE) { | |
274 | wl1271_debug(DEBUG_TX, "No Tx (in FW) for %d ms due to scan", | |
275 | wl->conf.tx.tx_watchdog_timeout); | |
276 | wl12xx_rearm_tx_watchdog_locked(wl); | |
277 | goto out; | |
278 | } | |
279 | ||
280 | /* | |
281 | * AP might cache a frame for a long time for a sleeping station, | |
282 | * so rearm the timer if there's an AP interface with stations. If | |
283 | * Tx is genuinely stuck we will most hopefully discover it when all | |
284 | * stations are removed due to inactivity. | |
285 | */ | |
286 | if (wl->active_sta_count) { | |
287 | wl1271_debug(DEBUG_TX, "No Tx (in FW) for %d ms. AP has " | |
288 | " %d stations", | |
289 | wl->conf.tx.tx_watchdog_timeout, | |
290 | wl->active_sta_count); | |
291 | wl12xx_rearm_tx_watchdog_locked(wl); | |
292 | goto out; | |
293 | } | |
294 | ||
295 | wl1271_error("Tx stuck (in FW) for %d ms. Starting recovery", | |
296 | wl->conf.tx.tx_watchdog_timeout); | |
297 | wl12xx_queue_recovery_work(wl); | |
298 | ||
299 | out: | |
300 | mutex_unlock(&wl->mutex); | |
301 | } | |
302 | ||
e87288f0 | 303 | static void wlcore_adjust_conf(struct wl1271 *wl) |
8a08048a | 304 | { |
93ac8488 | 305 | |
95dac04f IY |
306 | if (fwlog_param) { |
307 | if (!strcmp(fwlog_param, "continuous")) { | |
308 | wl->conf.fwlog.mode = WL12XX_FWLOG_CONTINUOUS; | |
3719c17e | 309 | wl->conf.fwlog.output = WL12XX_FWLOG_OUTPUT_HOST; |
95dac04f IY |
310 | } else if (!strcmp(fwlog_param, "dbgpins")) { |
311 | wl->conf.fwlog.mode = WL12XX_FWLOG_CONTINUOUS; | |
312 | wl->conf.fwlog.output = WL12XX_FWLOG_OUTPUT_DBG_PINS; | |
313 | } else if (!strcmp(fwlog_param, "disable")) { | |
314 | wl->conf.fwlog.mem_blocks = 0; | |
315 | wl->conf.fwlog.output = WL12XX_FWLOG_OUTPUT_NONE; | |
316 | } else { | |
317 | wl1271_error("Unknown fwlog parameter %s", fwlog_param); | |
318 | } | |
319 | } | |
7230341f YS |
320 | |
321 | if (bug_on_recovery != -1) | |
322 | wl->conf.recovery.bug_on_recovery = (u8) bug_on_recovery; | |
323 | ||
324 | if (no_recovery != -1) | |
325 | wl->conf.recovery.no_recovery = (u8) no_recovery; | |
95dac04f | 326 | } |
2b60100b | 327 | |
6e8cd331 EP |
328 | static void wl12xx_irq_ps_regulate_link(struct wl1271 *wl, |
329 | struct wl12xx_vif *wlvif, | |
330 | u8 hlid, u8 tx_pkts) | |
b622d992 | 331 | { |
37c68ea6 | 332 | bool fw_ps; |
b622d992 | 333 | |
5e74b3aa | 334 | fw_ps = test_bit(hlid, &wl->ap_fw_ps_map); |
b622d992 AN |
335 | |
336 | /* | |
337 | * Wake up from high level PS if the STA is asleep with too little | |
9b17f1b3 | 338 | * packets in FW or if the STA is awake. |
b622d992 | 339 | */ |
9b17f1b3 | 340 | if (!fw_ps || tx_pkts < WL1271_PS_STA_MAX_PACKETS) |
6e8cd331 | 341 | wl12xx_ps_link_end(wl, wlvif, hlid); |
b622d992 | 342 | |
da03209e AN |
343 | /* |
344 | * Start high-level PS if the STA is asleep with enough blocks in FW. | |
9a100968 AN |
345 | * Make an exception if this is the only connected link. In this |
346 | * case FW-memory congestion is less of a problem. | |
41ed1a78 EP |
347 | * Note that a single connected STA means 2*ap_count + 1 active links, |
348 | * since we must account for the global and broadcast AP links | |
349 | * for each AP. The "fw_ps" check assures us the other link is a STA | |
350 | * connected to the AP. Otherwise the FW would not set the PSM bit. | |
da03209e | 351 | */ |
41ed1a78 | 352 | else if (wl->active_link_count > (wl->ap_count*2 + 1) && fw_ps && |
37c68ea6 | 353 | tx_pkts >= WL1271_PS_STA_MAX_PACKETS) |
6e8cd331 | 354 | wl12xx_ps_link_start(wl, wlvif, hlid, true); |
b622d992 AN |
355 | } |
356 | ||
9b17f1b3 | 357 | static void wl12xx_irq_update_links_status(struct wl1271 *wl, |
c7ffb902 | 358 | struct wl12xx_vif *wlvif, |
75fb4df7 | 359 | struct wl_fw_status *status) |
b622d992 | 360 | { |
5e74b3aa | 361 | unsigned long cur_fw_ps_map; |
9ebcb232 | 362 | u8 hlid; |
b622d992 | 363 | |
75fb4df7 | 364 | cur_fw_ps_map = status->link_ps_bitmap; |
b622d992 AN |
365 | if (wl->ap_fw_ps_map != cur_fw_ps_map) { |
366 | wl1271_debug(DEBUG_PSM, | |
5e74b3aa | 367 | "link ps prev 0x%lx cur 0x%lx changed 0x%lx", |
b622d992 AN |
368 | wl->ap_fw_ps_map, cur_fw_ps_map, |
369 | wl->ap_fw_ps_map ^ cur_fw_ps_map); | |
370 | ||
371 | wl->ap_fw_ps_map = cur_fw_ps_map; | |
372 | } | |
373 | ||
da08fdfa | 374 | for_each_set_bit(hlid, wlvif->ap.sta_hlid_map, wl->num_links) |
6e8cd331 | 375 | wl12xx_irq_ps_regulate_link(wl, wlvif, hlid, |
9ebcb232 | 376 | wl->links[hlid].allocated_pkts); |
b622d992 AN |
377 | } |
378 | ||
75fb4df7 | 379 | static int wlcore_fw_status(struct wl1271 *wl, struct wl_fw_status *status) |
f5fc0f86 | 380 | { |
6e8cd331 | 381 | struct wl12xx_vif *wlvif; |
ac5e1e39 | 382 | struct timespec ts; |
13b107dd | 383 | u32 old_tx_blk_count = wl->tx_blocks_available; |
4d56ad9c | 384 | int avail, freed_blocks; |
bf54e301 | 385 | int i; |
8b7c0fc3 | 386 | int ret; |
9ebcb232 | 387 | struct wl1271_link *lnk; |
6bac40a6 | 388 | |
75fb4df7 EP |
389 | ret = wlcore_raw_read_data(wl, REG_RAW_FW_STATUS_ADDR, |
390 | wl->raw_fw_status, | |
391 | wl->fw_status_len, false); | |
8b7c0fc3 IY |
392 | if (ret < 0) |
393 | return ret; | |
13b107dd | 394 | |
75fb4df7 EP |
395 | wlcore_hw_convert_fw_status(wl, wl->raw_fw_status, wl->fw_status); |
396 | ||
f5fc0f86 LC |
397 | wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, " |
398 | "drv_rx_counter = %d, tx_results_counter = %d)", | |
75fb4df7 EP |
399 | status->intr, |
400 | status->fw_rx_counter, | |
401 | status->drv_rx_counter, | |
402 | status->tx_results_counter); | |
f5fc0f86 | 403 | |
bf54e301 AN |
404 | for (i = 0; i < NUM_TX_QUEUES; i++) { |
405 | /* prevent wrap-around in freed-packets counter */ | |
742246f8 | 406 | wl->tx_allocated_pkts[i] -= |
75fb4df7 | 407 | (status->counters.tx_released_pkts[i] - |
bf54e301 AN |
408 | wl->tx_pkts_freed[i]) & 0xff; |
409 | ||
75fb4df7 | 410 | wl->tx_pkts_freed[i] = status->counters.tx_released_pkts[i]; |
bf54e301 AN |
411 | } |
412 | ||
9ebcb232 | 413 | |
da08fdfa | 414 | for_each_set_bit(i, wl->links_map, wl->num_links) { |
93d5d100 | 415 | u8 diff; |
9ebcb232 | 416 | lnk = &wl->links[i]; |
93d5d100 | 417 | |
9ebcb232 | 418 | /* prevent wrap-around in freed-packets counter */ |
75fb4df7 | 419 | diff = (status->counters.tx_lnk_free_pkts[i] - |
93d5d100 AN |
420 | lnk->prev_freed_pkts) & 0xff; |
421 | ||
422 | if (diff == 0) | |
423 | continue; | |
9ebcb232 | 424 | |
93d5d100 | 425 | lnk->allocated_pkts -= diff; |
75fb4df7 | 426 | lnk->prev_freed_pkts = status->counters.tx_lnk_free_pkts[i]; |
93d5d100 AN |
427 | |
428 | /* accumulate the prev_freed_pkts counter */ | |
429 | lnk->total_freed_pkts += diff; | |
9ebcb232 AN |
430 | } |
431 | ||
bdf91cfa | 432 | /* prevent wrap-around in total blocks counter */ |
75fb4df7 EP |
433 | if (likely(wl->tx_blocks_freed <= status->total_released_blks)) |
434 | freed_blocks = status->total_released_blks - | |
bdf91cfa AN |
435 | wl->tx_blocks_freed; |
436 | else | |
437 | freed_blocks = 0x100000000LL - wl->tx_blocks_freed + | |
75fb4df7 | 438 | status->total_released_blks; |
bdf91cfa | 439 | |
75fb4df7 | 440 | wl->tx_blocks_freed = status->total_released_blks; |
13b107dd | 441 | |
7bb5d6ce AN |
442 | wl->tx_allocated_blocks -= freed_blocks; |
443 | ||
55df5afb AN |
444 | /* |
445 | * If the FW freed some blocks: | |
446 | * If we still have allocated blocks - re-arm the timer, Tx is | |
447 | * not stuck. Otherwise, cancel the timer (no Tx currently). | |
448 | */ | |
449 | if (freed_blocks) { | |
450 | if (wl->tx_allocated_blocks) | |
451 | wl12xx_rearm_tx_watchdog_locked(wl); | |
452 | else | |
453 | cancel_delayed_work(&wl->tx_watchdog_work); | |
454 | } | |
455 | ||
75fb4df7 | 456 | avail = status->tx_total - wl->tx_allocated_blocks; |
13b107dd | 457 | |
4d56ad9c EP |
458 | /* |
459 | * The FW might change the total number of TX memblocks before | |
460 | * we get a notification about blocks being released. Thus, the | |
461 | * available blocks calculation might yield a temporary result | |
462 | * which is lower than the actual available blocks. Keeping in | |
463 | * mind that only blocks that were allocated can be moved from | |
464 | * TX to RX, tx_blocks_available should never decrease here. | |
465 | */ | |
466 | wl->tx_blocks_available = max((int)wl->tx_blocks_available, | |
467 | avail); | |
f5fc0f86 | 468 | |
a522550a | 469 | /* if more blocks are available now, tx work can be scheduled */ |
13b107dd | 470 | if (wl->tx_blocks_available > old_tx_blk_count) |
a522550a | 471 | clear_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags); |
f5fc0f86 | 472 | |
4d56ad9c | 473 | /* for AP update num of allocated TX blocks per link and ps status */ |
6e8cd331 | 474 | wl12xx_for_each_wlvif_ap(wl, wlvif) { |
75fb4df7 | 475 | wl12xx_irq_update_links_status(wl, wlvif, status); |
6e8cd331 | 476 | } |
4d56ad9c | 477 | |
f5fc0f86 | 478 | /* update the host-chipset time offset */ |
ac5e1e39 JO |
479 | getnstimeofday(&ts); |
480 | wl->time_offset = (timespec_to_ns(&ts) >> 10) - | |
75fb4df7 | 481 | (s64)(status->fw_localtime); |
8b7c0fc3 | 482 | |
75fb4df7 | 483 | wl->fw_fast_lnk_map = status->link_fast_bitmap; |
0e810479 | 484 | |
8b7c0fc3 | 485 | return 0; |
f5fc0f86 LC |
486 | } |
487 | ||
a620865e IY |
488 | static void wl1271_flush_deferred_work(struct wl1271 *wl) |
489 | { | |
490 | struct sk_buff *skb; | |
491 | ||
492 | /* Pass all received frames to the network stack */ | |
493 | while ((skb = skb_dequeue(&wl->deferred_rx_queue))) | |
494 | ieee80211_rx_ni(wl->hw, skb); | |
495 | ||
496 | /* Return sent skbs to the network stack */ | |
497 | while ((skb = skb_dequeue(&wl->deferred_tx_queue))) | |
c27d3acc | 498 | ieee80211_tx_status_ni(wl->hw, skb); |
a620865e IY |
499 | } |
500 | ||
501 | static void wl1271_netstack_work(struct work_struct *work) | |
502 | { | |
503 | struct wl1271 *wl = | |
504 | container_of(work, struct wl1271, netstack_work); | |
505 | ||
506 | do { | |
507 | wl1271_flush_deferred_work(wl); | |
508 | } while (skb_queue_len(&wl->deferred_rx_queue)); | |
509 | } | |
1e73eb62 | 510 | |
a620865e IY |
511 | #define WL1271_IRQ_MAX_LOOPS 256 |
512 | ||
b5b45b3c | 513 | static int wlcore_irq_locked(struct wl1271 *wl) |
f5fc0f86 | 514 | { |
b5b45b3c | 515 | int ret = 0; |
c15f63bf | 516 | u32 intr; |
1e73eb62 | 517 | int loopcount = WL1271_IRQ_MAX_LOOPS; |
a620865e IY |
518 | bool done = false; |
519 | unsigned int defer_count; | |
b07d4037 IY |
520 | unsigned long flags; |
521 | ||
341b7cde IY |
522 | /* |
523 | * In case edge triggered interrupt must be used, we cannot iterate | |
524 | * more than once without introducing race conditions with the hardirq. | |
525 | */ | |
6f921fab | 526 | if (wl->irq_flags & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING)) |
341b7cde IY |
527 | loopcount = 1; |
528 | ||
f5fc0f86 LC |
529 | wl1271_debug(DEBUG_IRQ, "IRQ work"); |
530 | ||
4cc53383 | 531 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
f5fc0f86 LC |
532 | goto out; |
533 | ||
a620865e | 534 | ret = wl1271_ps_elp_wakeup(wl); |
f5fc0f86 LC |
535 | if (ret < 0) |
536 | goto out; | |
537 | ||
a620865e IY |
538 | while (!done && loopcount--) { |
539 | /* | |
540 | * In order to avoid a race with the hardirq, clear the flag | |
541 | * before acknowledging the chip. Since the mutex is held, | |
542 | * wl1271_ps_elp_wakeup cannot be called concurrently. | |
543 | */ | |
544 | clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); | |
4e857c58 | 545 | smp_mb__after_atomic(); |
1e73eb62 | 546 | |
75fb4df7 | 547 | ret = wlcore_fw_status(wl, wl->fw_status); |
b5b45b3c | 548 | if (ret < 0) |
8b7c0fc3 | 549 | goto out; |
53d67a50 AN |
550 | |
551 | wlcore_hw_tx_immediate_compl(wl); | |
552 | ||
75fb4df7 | 553 | intr = wl->fw_status->intr; |
f5755fe9 | 554 | intr &= WLCORE_ALL_INTR_MASK; |
1e73eb62 | 555 | if (!intr) { |
a620865e | 556 | done = true; |
1e73eb62 JO |
557 | continue; |
558 | } | |
f5fc0f86 | 559 | |
ccc83b04 | 560 | if (unlikely(intr & WL1271_ACX_INTR_WATCHDOG)) { |
f5755fe9 IR |
561 | wl1271_error("HW watchdog interrupt received! starting recovery."); |
562 | wl->watchdog_recovery = true; | |
b5b45b3c | 563 | ret = -EIO; |
f5755fe9 IR |
564 | |
565 | /* restarting the chip. ignore any other interrupt. */ | |
566 | goto out; | |
567 | } | |
568 | ||
569 | if (unlikely(intr & WL1271_ACX_SW_INTR_WATCHDOG)) { | |
570 | wl1271_error("SW watchdog interrupt received! " | |
ccc83b04 | 571 | "starting recovery."); |
afbe3718 | 572 | wl->watchdog_recovery = true; |
b5b45b3c | 573 | ret = -EIO; |
ccc83b04 EP |
574 | |
575 | /* restarting the chip. ignore any other interrupt. */ | |
576 | goto out; | |
577 | } | |
578 | ||
a620865e | 579 | if (likely(intr & WL1271_ACX_INTR_DATA)) { |
1e73eb62 | 580 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA"); |
1fd2794f | 581 | |
75fb4df7 | 582 | ret = wlcore_rx(wl, wl->fw_status); |
b5b45b3c | 583 | if (ret < 0) |
045b9b5f | 584 | goto out; |
f5fc0f86 | 585 | |
a522550a | 586 | /* Check if any tx blocks were freed */ |
b07d4037 | 587 | spin_lock_irqsave(&wl->wl_lock, flags); |
a522550a | 588 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
f1a46384 | 589 | wl1271_tx_total_queue_count(wl) > 0) { |
b07d4037 | 590 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
a522550a IY |
591 | /* |
592 | * In order to avoid starvation of the TX path, | |
593 | * call the work function directly. | |
594 | */ | |
eb96f841 | 595 | ret = wlcore_tx_work_locked(wl); |
b5b45b3c | 596 | if (ret < 0) |
eb96f841 | 597 | goto out; |
b07d4037 IY |
598 | } else { |
599 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
a522550a IY |
600 | } |
601 | ||
8aad2464 | 602 | /* check for tx results */ |
045b9b5f | 603 | ret = wlcore_hw_tx_delayed_compl(wl); |
b5b45b3c | 604 | if (ret < 0) |
045b9b5f | 605 | goto out; |
a620865e IY |
606 | |
607 | /* Make sure the deferred queues don't get too long */ | |
608 | defer_count = skb_queue_len(&wl->deferred_tx_queue) + | |
609 | skb_queue_len(&wl->deferred_rx_queue); | |
610 | if (defer_count > WL1271_DEFERRED_QUEUE_LIMIT) | |
611 | wl1271_flush_deferred_work(wl); | |
1e73eb62 | 612 | } |
f5fc0f86 | 613 | |
1e73eb62 JO |
614 | if (intr & WL1271_ACX_INTR_EVENT_A) { |
615 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A"); | |
045b9b5f | 616 | ret = wl1271_event_handle(wl, 0); |
b5b45b3c | 617 | if (ret < 0) |
045b9b5f | 618 | goto out; |
1e73eb62 | 619 | } |
f5fc0f86 | 620 | |
1e73eb62 JO |
621 | if (intr & WL1271_ACX_INTR_EVENT_B) { |
622 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B"); | |
045b9b5f | 623 | ret = wl1271_event_handle(wl, 1); |
b5b45b3c | 624 | if (ret < 0) |
045b9b5f | 625 | goto out; |
1e73eb62 | 626 | } |
f5fc0f86 | 627 | |
1e73eb62 JO |
628 | if (intr & WL1271_ACX_INTR_INIT_COMPLETE) |
629 | wl1271_debug(DEBUG_IRQ, | |
630 | "WL1271_ACX_INTR_INIT_COMPLETE"); | |
f5fc0f86 | 631 | |
1e73eb62 JO |
632 | if (intr & WL1271_ACX_INTR_HW_AVAILABLE) |
633 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE"); | |
c15f63bf | 634 | } |
f5fc0f86 | 635 | |
f5fc0f86 LC |
636 | wl1271_ps_elp_sleep(wl); |
637 | ||
638 | out: | |
b5b45b3c AN |
639 | return ret; |
640 | } | |
641 | ||
642 | static irqreturn_t wlcore_irq(int irq, void *cookie) | |
643 | { | |
644 | int ret; | |
645 | unsigned long flags; | |
646 | struct wl1271 *wl = cookie; | |
647 | ||
97236a06 LC |
648 | /* complete the ELP completion */ |
649 | spin_lock_irqsave(&wl->wl_lock, flags); | |
650 | set_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); | |
651 | if (wl->elp_compl) { | |
652 | complete(wl->elp_compl); | |
653 | wl->elp_compl = NULL; | |
654 | } | |
655 | ||
656 | if (test_bit(WL1271_FLAG_SUSPENDED, &wl->flags)) { | |
657 | /* don't enqueue a work right now. mark it as pending */ | |
658 | set_bit(WL1271_FLAG_PENDING_WORK, &wl->flags); | |
659 | wl1271_debug(DEBUG_IRQ, "should not enqueue work"); | |
660 | disable_irq_nosync(wl->irq); | |
661 | pm_wakeup_event(wl->dev, 0); | |
662 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
663 | return IRQ_HANDLED; | |
664 | } | |
665 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
666 | ||
b5b45b3c AN |
667 | /* TX might be handled here, avoid redundant work */ |
668 | set_bit(WL1271_FLAG_TX_PENDING, &wl->flags); | |
669 | cancel_work_sync(&wl->tx_work); | |
670 | ||
671 | mutex_lock(&wl->mutex); | |
672 | ||
673 | ret = wlcore_irq_locked(wl); | |
674 | if (ret) | |
675 | wl12xx_queue_recovery_work(wl); | |
676 | ||
b07d4037 IY |
677 | spin_lock_irqsave(&wl->wl_lock, flags); |
678 | /* In case TX was not handled here, queue TX work */ | |
679 | clear_bit(WL1271_FLAG_TX_PENDING, &wl->flags); | |
680 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && | |
f1a46384 | 681 | wl1271_tx_total_queue_count(wl) > 0) |
b07d4037 IY |
682 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
683 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
684 | ||
f5fc0f86 | 685 | mutex_unlock(&wl->mutex); |
a620865e IY |
686 | |
687 | return IRQ_HANDLED; | |
f5fc0f86 LC |
688 | } |
689 | ||
4549d09c EP |
690 | struct vif_counter_data { |
691 | u8 counter; | |
692 | ||
693 | struct ieee80211_vif *cur_vif; | |
694 | bool cur_vif_running; | |
695 | }; | |
696 | ||
697 | static void wl12xx_vif_count_iter(void *data, u8 *mac, | |
698 | struct ieee80211_vif *vif) | |
699 | { | |
700 | struct vif_counter_data *counter = data; | |
701 | ||
702 | counter->counter++; | |
703 | if (counter->cur_vif == vif) | |
704 | counter->cur_vif_running = true; | |
705 | } | |
706 | ||
707 | /* caller must not hold wl->mutex, as it might deadlock */ | |
708 | static void wl12xx_get_vif_count(struct ieee80211_hw *hw, | |
709 | struct ieee80211_vif *cur_vif, | |
710 | struct vif_counter_data *data) | |
711 | { | |
712 | memset(data, 0, sizeof(*data)); | |
713 | data->cur_vif = cur_vif; | |
714 | ||
8b2c9824 | 715 | ieee80211_iterate_active_interfaces(hw, IEEE80211_IFACE_ITER_RESUME_ALL, |
4549d09c EP |
716 | wl12xx_vif_count_iter, data); |
717 | } | |
718 | ||
3fcdab70 | 719 | static int wl12xx_fetch_firmware(struct wl1271 *wl, bool plt) |
f5fc0f86 LC |
720 | { |
721 | const struct firmware *fw; | |
166d504e | 722 | const char *fw_name; |
3fcdab70 | 723 | enum wl12xx_fw_type fw_type; |
f5fc0f86 LC |
724 | int ret; |
725 | ||
3fcdab70 EP |
726 | if (plt) { |
727 | fw_type = WL12XX_FW_TYPE_PLT; | |
6f7dd16c | 728 | fw_name = wl->plt_fw_name; |
3fcdab70 | 729 | } else { |
4549d09c EP |
730 | /* |
731 | * we can't call wl12xx_get_vif_count() here because | |
732 | * wl->mutex is taken, so use the cached last_vif_count value | |
733 | */ | |
9b1a0a77 | 734 | if (wl->last_vif_count > 1 && wl->mr_fw_name) { |
4549d09c | 735 | fw_type = WL12XX_FW_TYPE_MULTI; |
6f7dd16c | 736 | fw_name = wl->mr_fw_name; |
4549d09c EP |
737 | } else { |
738 | fw_type = WL12XX_FW_TYPE_NORMAL; | |
6f7dd16c | 739 | fw_name = wl->sr_fw_name; |
4549d09c | 740 | } |
3fcdab70 EP |
741 | } |
742 | ||
743 | if (wl->fw_type == fw_type) | |
744 | return 0; | |
166d504e AN |
745 | |
746 | wl1271_debug(DEBUG_BOOT, "booting firmware %s", fw_name); | |
747 | ||
a390e85c | 748 | ret = request_firmware(&fw, fw_name, wl->dev); |
f5fc0f86 LC |
749 | |
750 | if (ret < 0) { | |
35898935 | 751 | wl1271_error("could not get firmware %s: %d", fw_name, ret); |
f5fc0f86 LC |
752 | return ret; |
753 | } | |
754 | ||
755 | if (fw->size % 4) { | |
756 | wl1271_error("firmware size is not multiple of 32 bits: %zu", | |
757 | fw->size); | |
758 | ret = -EILSEQ; | |
759 | goto out; | |
760 | } | |
761 | ||
166d504e | 762 | vfree(wl->fw); |
3fcdab70 | 763 | wl->fw_type = WL12XX_FW_TYPE_NONE; |
f5fc0f86 | 764 | wl->fw_len = fw->size; |
1fba4974 | 765 | wl->fw = vmalloc(wl->fw_len); |
f5fc0f86 LC |
766 | |
767 | if (!wl->fw) { | |
768 | wl1271_error("could not allocate memory for the firmware"); | |
769 | ret = -ENOMEM; | |
770 | goto out; | |
771 | } | |
772 | ||
773 | memcpy(wl->fw, fw->data, wl->fw_len); | |
f5fc0f86 | 774 | ret = 0; |
3fcdab70 | 775 | wl->fw_type = fw_type; |
f5fc0f86 LC |
776 | out: |
777 | release_firmware(fw); | |
778 | ||
779 | return ret; | |
780 | } | |
781 | ||
baacb9ae IY |
782 | void wl12xx_queue_recovery_work(struct wl1271 *wl) |
783 | { | |
b666bb7f | 784 | /* Avoid a recursive recovery */ |
792a58a8 | 785 | if (wl->state == WLCORE_STATE_ON) { |
1ede9500 AN |
786 | WARN_ON(!test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, |
787 | &wl->flags)); | |
788 | ||
4cc53383 | 789 | wl->state = WLCORE_STATE_RESTARTING; |
792a58a8 | 790 | set_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); |
2473ec8f | 791 | wl1271_ps_elp_wakeup(wl); |
b666bb7f | 792 | wlcore_disable_interrupts_nosync(wl); |
baacb9ae | 793 | ieee80211_queue_work(wl->hw, &wl->recovery_work); |
b666bb7f | 794 | } |
baacb9ae IY |
795 | } |
796 | ||
95dac04f IY |
797 | size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen) |
798 | { | |
c83cb803 | 799 | size_t len; |
95dac04f IY |
800 | |
801 | /* Make sure we have enough room */ | |
c8e49556 | 802 | len = min_t(size_t, maxlen, PAGE_SIZE - wl->fwlog_size); |
95dac04f IY |
803 | |
804 | /* Fill the FW log file, consumed by the sysfs fwlog entry */ | |
805 | memcpy(wl->fwlog + wl->fwlog_size, memblock, len); | |
806 | wl->fwlog_size += len; | |
807 | ||
808 | return len; | |
809 | } | |
810 | ||
811 | static void wl12xx_read_fwlog_panic(struct wl1271 *wl) | |
812 | { | |
3719c17e | 813 | u32 end_of_log = 0; |
95dac04f | 814 | |
3719c17e | 815 | if (wl->quirks & WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED) |
95dac04f IY |
816 | return; |
817 | ||
818 | wl1271_info("Reading FW panic log"); | |
819 | ||
95dac04f IY |
820 | /* |
821 | * Make sure the chip is awake and the logger isn't active. | |
847cbebd EP |
822 | * Do not send a stop fwlog command if the fw is hanged or if |
823 | * dbgpins are used (due to some fw bug). | |
95dac04f | 824 | */ |
1e41213f | 825 | if (wl1271_ps_elp_wakeup(wl)) |
3719c17e | 826 | return; |
847cbebd EP |
827 | if (!wl->watchdog_recovery && |
828 | wl->conf.fwlog.output != WL12XX_FWLOG_OUTPUT_DBG_PINS) | |
1e41213f | 829 | wl12xx_cmd_stop_fwlog(wl); |
95dac04f | 830 | |
95dac04f | 831 | /* Traverse the memory blocks linked list */ |
95dac04f | 832 | do { |
3719c17e SP |
833 | end_of_log = wlcore_event_fw_logger(wl); |
834 | if (end_of_log == 0) { | |
835 | msleep(100); | |
836 | end_of_log = wlcore_event_fw_logger(wl); | |
c83cb803 | 837 | } |
3719c17e | 838 | } while (end_of_log != 0); |
95dac04f IY |
839 | } |
840 | ||
50d26aa3 EP |
841 | static void wlcore_save_freed_pkts(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
842 | u8 hlid, struct ieee80211_sta *sta) | |
843 | { | |
844 | struct wl1271_station *wl_sta; | |
30a00358 | 845 | u32 sqn_recovery_padding = WL1271_TX_SQN_POST_RECOVERY_PADDING; |
50d26aa3 EP |
846 | |
847 | wl_sta = (void *)sta->drv_priv; | |
848 | wl_sta->total_freed_pkts = wl->links[hlid].total_freed_pkts; | |
849 | ||
850 | /* | |
851 | * increment the initial seq number on recovery to account for | |
852 | * transmitted packets that we haven't yet got in the FW status | |
853 | */ | |
30a00358 EP |
854 | if (wlvif->encryption_type == KEY_GEM) |
855 | sqn_recovery_padding = WL1271_TX_SQN_POST_RECOVERY_PADDING_GEM; | |
856 | ||
50d26aa3 | 857 | if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) |
30a00358 | 858 | wl_sta->total_freed_pkts += sqn_recovery_padding; |
50d26aa3 EP |
859 | } |
860 | ||
861 | static void wlcore_save_freed_pkts_addr(struct wl1271 *wl, | |
862 | struct wl12xx_vif *wlvif, | |
863 | u8 hlid, const u8 *addr) | |
864 | { | |
865 | struct ieee80211_sta *sta; | |
866 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); | |
867 | ||
868 | if (WARN_ON(hlid == WL12XX_INVALID_LINK_ID || | |
869 | is_zero_ether_addr(addr))) | |
870 | return; | |
871 | ||
872 | rcu_read_lock(); | |
873 | sta = ieee80211_find_sta(vif, addr); | |
874 | if (sta) | |
875 | wlcore_save_freed_pkts(wl, wlvif, hlid, sta); | |
876 | rcu_read_unlock(); | |
877 | } | |
878 | ||
6134323f IY |
879 | static void wlcore_print_recovery(struct wl1271 *wl) |
880 | { | |
881 | u32 pc = 0; | |
882 | u32 hint_sts = 0; | |
883 | int ret; | |
884 | ||
885 | wl1271_info("Hardware recovery in progress. FW ver: %s", | |
886 | wl->chip.fw_ver_str); | |
887 | ||
888 | /* change partitions momentarily so we can read the FW pc */ | |
b0f0ad39 IY |
889 | ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]); |
890 | if (ret < 0) | |
891 | return; | |
6134323f IY |
892 | |
893 | ret = wlcore_read_reg(wl, REG_PC_ON_RECOVERY, &pc); | |
894 | if (ret < 0) | |
895 | return; | |
896 | ||
897 | ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &hint_sts); | |
898 | if (ret < 0) | |
899 | return; | |
900 | ||
c108c905 LC |
901 | wl1271_info("pc: 0x%x, hint_sts: 0x%08x count: %d", |
902 | pc, hint_sts, ++wl->recovery_count); | |
6134323f IY |
903 | |
904 | wlcore_set_partition(wl, &wl->ptable[PART_WORK]); | |
905 | } | |
906 | ||
907 | ||
52b0e7a6 JO |
908 | static void wl1271_recovery_work(struct work_struct *work) |
909 | { | |
910 | struct wl1271 *wl = | |
911 | container_of(work, struct wl1271, recovery_work); | |
48e93e40 | 912 | struct wl12xx_vif *wlvif; |
6e8cd331 | 913 | struct ieee80211_vif *vif; |
52b0e7a6 JO |
914 | |
915 | mutex_lock(&wl->mutex); | |
916 | ||
4cc53383 | 917 | if (wl->state == WLCORE_STATE_OFF || wl->plt) |
f0277434 | 918 | goto out_unlock; |
52b0e7a6 | 919 | |
aafec111 | 920 | if (!test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags)) { |
5cc14c04 BB |
921 | if (wl->conf.fwlog.output == WL12XX_FWLOG_OUTPUT_HOST) |
922 | wl12xx_read_fwlog_panic(wl); | |
aafec111 AN |
923 | wlcore_print_recovery(wl); |
924 | } | |
52b0e7a6 | 925 | |
7230341f | 926 | BUG_ON(wl->conf.recovery.bug_on_recovery && |
e9ba7152 | 927 | !test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags)); |
2a5bff09 | 928 | |
7230341f | 929 | if (wl->conf.recovery.no_recovery) { |
34785be5 | 930 | wl1271_info("No recovery (chosen on module load). Fw will remain stuck."); |
34785be5 AN |
931 | goto out_unlock; |
932 | } | |
933 | ||
7dece1c8 | 934 | /* Prevent spurious TX during FW restart */ |
66396114 | 935 | wlcore_stop_queues(wl, WLCORE_QUEUE_STOP_REASON_FW_RESTART); |
7dece1c8 | 936 | |
52b0e7a6 | 937 | /* reboot the chipset */ |
6e8cd331 EP |
938 | while (!list_empty(&wl->wlvif_list)) { |
939 | wlvif = list_first_entry(&wl->wlvif_list, | |
940 | struct wl12xx_vif, list); | |
941 | vif = wl12xx_wlvif_to_vif(wlvif); | |
50d26aa3 EP |
942 | |
943 | if (wlvif->bss_type == BSS_TYPE_STA_BSS && | |
944 | test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) { | |
945 | wlcore_save_freed_pkts_addr(wl, wlvif, wlvif->sta.hlid, | |
946 | vif->bss_conf.bssid); | |
947 | } | |
948 | ||
6e8cd331 EP |
949 | __wl1271_op_remove_interface(wl, vif, false); |
950 | } | |
c24ec83b IY |
951 | |
952 | wlcore_op_stop_locked(wl); | |
baacb9ae | 953 | |
52b0e7a6 JO |
954 | ieee80211_restart_hw(wl->hw); |
955 | ||
7dece1c8 AN |
956 | /* |
957 | * Its safe to enable TX now - the queues are stopped after a request | |
958 | * to restart the HW. | |
959 | */ | |
66396114 | 960 | wlcore_wake_queues(wl, WLCORE_QUEUE_STOP_REASON_FW_RESTART); |
c24ec83b | 961 | |
f0277434 | 962 | out_unlock: |
b034fd6f AN |
963 | wl->watchdog_recovery = false; |
964 | clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); | |
52b0e7a6 JO |
965 | mutex_unlock(&wl->mutex); |
966 | } | |
967 | ||
b0f0ad39 | 968 | static int wlcore_fw_wakeup(struct wl1271 *wl) |
f5fc0f86 | 969 | { |
b0f0ad39 | 970 | return wlcore_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG, ELPCTRL_WAKE_UP); |
f5fc0f86 LC |
971 | } |
972 | ||
973 | static int wl1271_setup(struct wl1271 *wl) | |
974 | { | |
75fb4df7 EP |
975 | wl->raw_fw_status = kzalloc(wl->fw_status_len, GFP_KERNEL); |
976 | if (!wl->raw_fw_status) | |
977 | goto err; | |
f5fc0f86 | 978 | |
75fb4df7 EP |
979 | wl->fw_status = kzalloc(sizeof(*wl->fw_status), GFP_KERNEL); |
980 | if (!wl->fw_status) | |
981 | goto err; | |
0afd04e5 | 982 | |
5cbba2d4 | 983 | wl->tx_res_if = kzalloc(sizeof(*wl->tx_res_if), GFP_KERNEL); |
75fb4df7 EP |
984 | if (!wl->tx_res_if) |
985 | goto err; | |
f5fc0f86 | 986 | |
f5fc0f86 | 987 | return 0; |
75fb4df7 EP |
988 | err: |
989 | kfree(wl->fw_status); | |
990 | kfree(wl->raw_fw_status); | |
991 | return -ENOMEM; | |
f5fc0f86 LC |
992 | } |
993 | ||
30c5dbd1 | 994 | static int wl12xx_set_power_on(struct wl1271 *wl) |
f5fc0f86 | 995 | { |
30c5dbd1 | 996 | int ret; |
f5fc0f86 | 997 | |
01ac17ec | 998 | msleep(WL1271_PRE_POWER_ON_SLEEP); |
2cc78ff7 OBC |
999 | ret = wl1271_power_on(wl); |
1000 | if (ret < 0) | |
1001 | goto out; | |
f5fc0f86 | 1002 | msleep(WL1271_POWER_ON_SLEEP); |
9b280722 TP |
1003 | wl1271_io_reset(wl); |
1004 | wl1271_io_init(wl); | |
f5fc0f86 | 1005 | |
b0f0ad39 IY |
1006 | ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]); |
1007 | if (ret < 0) | |
1008 | goto fail; | |
f5fc0f86 LC |
1009 | |
1010 | /* ELP module wake up */ | |
b0f0ad39 IY |
1011 | ret = wlcore_fw_wakeup(wl); |
1012 | if (ret < 0) | |
1013 | goto fail; | |
f5fc0f86 | 1014 | |
30c5dbd1 LC |
1015 | out: |
1016 | return ret; | |
b0f0ad39 IY |
1017 | |
1018 | fail: | |
1019 | wl1271_power_off(wl); | |
1020 | return ret; | |
30c5dbd1 | 1021 | } |
f5fc0f86 | 1022 | |
3fcdab70 | 1023 | static int wl12xx_chip_wakeup(struct wl1271 *wl, bool plt) |
30c5dbd1 LC |
1024 | { |
1025 | int ret = 0; | |
1026 | ||
1027 | ret = wl12xx_set_power_on(wl); | |
1028 | if (ret < 0) | |
1029 | goto out; | |
f5fc0f86 | 1030 | |
e62c9ce4 LC |
1031 | /* |
1032 | * For wl127x based devices we could use the default block | |
1033 | * size (512 bytes), but due to a bug in the sdio driver, we | |
1034 | * need to set it explicitly after the chip is powered on. To | |
1035 | * simplify the code and since the performance impact is | |
1036 | * negligible, we use the same block size for all different | |
1037 | * chip types. | |
b5d6d9b2 LC |
1038 | * |
1039 | * Check if the bus supports blocksize alignment and, if it | |
1040 | * doesn't, make sure we don't have the quirk. | |
e62c9ce4 | 1041 | */ |
b5d6d9b2 LC |
1042 | if (!wl1271_set_block_size(wl)) |
1043 | wl->quirks &= ~WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN; | |
f5fc0f86 | 1044 | |
6f7dd16c | 1045 | /* TODO: make sure the lower driver has set things up correctly */ |
0830ceed | 1046 | |
6f7dd16c LC |
1047 | ret = wl1271_setup(wl); |
1048 | if (ret < 0) | |
9ccd9217 | 1049 | goto out; |
f5fc0f86 | 1050 | |
3fcdab70 EP |
1051 | ret = wl12xx_fetch_firmware(wl, plt); |
1052 | if (ret < 0) | |
1053 | goto out; | |
f5fc0f86 | 1054 | |
f5fc0f86 LC |
1055 | out: |
1056 | return ret; | |
1057 | } | |
1058 | ||
7019c80e | 1059 | int wl1271_plt_start(struct wl1271 *wl, const enum plt_mode plt_mode) |
f5fc0f86 | 1060 | { |
9ccd9217 | 1061 | int retries = WL1271_BOOT_RETRIES; |
6f07b72a | 1062 | struct wiphy *wiphy = wl->hw->wiphy; |
7019c80e YS |
1063 | |
1064 | static const char* const PLT_MODE[] = { | |
1065 | "PLT_OFF", | |
1066 | "PLT_ON", | |
dd491ffb YS |
1067 | "PLT_FEM_DETECT", |
1068 | "PLT_CHIP_AWAKE" | |
7019c80e YS |
1069 | }; |
1070 | ||
f5fc0f86 LC |
1071 | int ret; |
1072 | ||
1073 | mutex_lock(&wl->mutex); | |
1074 | ||
1075 | wl1271_notice("power up"); | |
1076 | ||
4cc53383 | 1077 | if (wl->state != WLCORE_STATE_OFF) { |
f5fc0f86 LC |
1078 | wl1271_error("cannot go into PLT state because not " |
1079 | "in off state: %d", wl->state); | |
1080 | ret = -EBUSY; | |
1081 | goto out; | |
1082 | } | |
1083 | ||
7019c80e YS |
1084 | /* Indicate to lower levels that we are now in PLT mode */ |
1085 | wl->plt = true; | |
1086 | wl->plt_mode = plt_mode; | |
1087 | ||
9ccd9217 JO |
1088 | while (retries) { |
1089 | retries--; | |
3fcdab70 | 1090 | ret = wl12xx_chip_wakeup(wl, true); |
9ccd9217 JO |
1091 | if (ret < 0) |
1092 | goto power_off; | |
f5fc0f86 | 1093 | |
dd491ffb YS |
1094 | if (plt_mode != PLT_CHIP_AWAKE) { |
1095 | ret = wl->ops->plt_init(wl); | |
1096 | if (ret < 0) | |
1097 | goto power_off; | |
1098 | } | |
eb5b28d0 | 1099 | |
4cc53383 | 1100 | wl->state = WLCORE_STATE_ON; |
7019c80e YS |
1101 | wl1271_notice("firmware booted in PLT mode %s (%s)", |
1102 | PLT_MODE[plt_mode], | |
4b7fac77 | 1103 | wl->chip.fw_ver_str); |
e7ddf549 | 1104 | |
6f07b72a GK |
1105 | /* update hw/fw version info in wiphy struct */ |
1106 | wiphy->hw_version = wl->chip.id; | |
1107 | strncpy(wiphy->fw_version, wl->chip.fw_ver_str, | |
1108 | sizeof(wiphy->fw_version)); | |
1109 | ||
9ccd9217 | 1110 | goto out; |
eb5b28d0 | 1111 | |
9ccd9217 JO |
1112 | power_off: |
1113 | wl1271_power_off(wl); | |
1114 | } | |
f5fc0f86 | 1115 | |
7019c80e YS |
1116 | wl->plt = false; |
1117 | wl->plt_mode = PLT_OFF; | |
1118 | ||
9ccd9217 JO |
1119 | wl1271_error("firmware boot in PLT mode failed despite %d retries", |
1120 | WL1271_BOOT_RETRIES); | |
f5fc0f86 LC |
1121 | out: |
1122 | mutex_unlock(&wl->mutex); | |
1123 | ||
1124 | return ret; | |
1125 | } | |
1126 | ||
f3df1331 | 1127 | int wl1271_plt_stop(struct wl1271 *wl) |
f5fc0f86 LC |
1128 | { |
1129 | int ret = 0; | |
1130 | ||
f5fc0f86 LC |
1131 | wl1271_notice("power down"); |
1132 | ||
46b0cc9f IY |
1133 | /* |
1134 | * Interrupts must be disabled before setting the state to OFF. | |
1135 | * Otherwise, the interrupt handler might be called and exit without | |
1136 | * reading the interrupt status. | |
1137 | */ | |
dd5512eb | 1138 | wlcore_disable_interrupts(wl); |
f3df1331 | 1139 | mutex_lock(&wl->mutex); |
3fcdab70 | 1140 | if (!wl->plt) { |
f3df1331 | 1141 | mutex_unlock(&wl->mutex); |
46b0cc9f IY |
1142 | |
1143 | /* | |
1144 | * This will not necessarily enable interrupts as interrupts | |
1145 | * may have been disabled when op_stop was called. It will, | |
1146 | * however, balance the above call to disable_interrupts(). | |
1147 | */ | |
dd5512eb | 1148 | wlcore_enable_interrupts(wl); |
46b0cc9f | 1149 | |
f5fc0f86 LC |
1150 | wl1271_error("cannot power down because not in PLT " |
1151 | "state: %d", wl->state); | |
1152 | ret = -EBUSY; | |
1153 | goto out; | |
1154 | } | |
1155 | ||
f5fc0f86 | 1156 | mutex_unlock(&wl->mutex); |
f3df1331 | 1157 | |
a620865e IY |
1158 | wl1271_flush_deferred_work(wl); |
1159 | cancel_work_sync(&wl->netstack_work); | |
52b0e7a6 | 1160 | cancel_work_sync(&wl->recovery_work); |
f6fbeccd | 1161 | cancel_delayed_work_sync(&wl->elp_work); |
55df5afb | 1162 | cancel_delayed_work_sync(&wl->tx_watchdog_work); |
a454969e IY |
1163 | |
1164 | mutex_lock(&wl->mutex); | |
1165 | wl1271_power_off(wl); | |
f6fbeccd | 1166 | wl->flags = 0; |
2f18cf7c | 1167 | wl->sleep_auth = WL1271_PSM_ILLEGAL; |
4cc53383 | 1168 | wl->state = WLCORE_STATE_OFF; |
3fcdab70 | 1169 | wl->plt = false; |
7019c80e | 1170 | wl->plt_mode = PLT_OFF; |
f6fbeccd | 1171 | wl->rx_counter = 0; |
a454969e IY |
1172 | mutex_unlock(&wl->mutex); |
1173 | ||
4ae3fa87 JO |
1174 | out: |
1175 | return ret; | |
1176 | } | |
1177 | ||
36323f81 TH |
1178 | static void wl1271_op_tx(struct ieee80211_hw *hw, |
1179 | struct ieee80211_tx_control *control, | |
1180 | struct sk_buff *skb) | |
f5fc0f86 LC |
1181 | { |
1182 | struct wl1271 *wl = hw->priv; | |
a8ab39a4 EP |
1183 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
1184 | struct ieee80211_vif *vif = info->control.vif; | |
0f168014 | 1185 | struct wl12xx_vif *wlvif = NULL; |
830fb67b | 1186 | unsigned long flags; |
708bb3cf | 1187 | int q, mapping; |
d6a3cc2e | 1188 | u8 hlid; |
f5fc0f86 | 1189 | |
f4d02007 AN |
1190 | if (!vif) { |
1191 | wl1271_debug(DEBUG_TX, "DROP skb with no vif"); | |
1192 | ieee80211_free_txskb(hw, skb); | |
1193 | return; | |
1194 | } | |
0f168014 | 1195 | |
f4d02007 | 1196 | wlvif = wl12xx_vif_to_data(vif); |
708bb3cf AN |
1197 | mapping = skb_get_queue_mapping(skb); |
1198 | q = wl1271_tx_get_queue(mapping); | |
b07d4037 | 1199 | |
36323f81 | 1200 | hlid = wl12xx_tx_get_hlid(wl, wlvif, skb, control->sta); |
b07d4037 | 1201 | |
830fb67b | 1202 | spin_lock_irqsave(&wl->wl_lock, flags); |
b07d4037 | 1203 | |
66396114 AN |
1204 | /* |
1205 | * drop the packet if the link is invalid or the queue is stopped | |
1206 | * for any reason but watermark. Watermark is a "soft"-stop so we | |
1207 | * allow these packets through. | |
1208 | */ | |
d6a3cc2e | 1209 | if (hlid == WL12XX_INVALID_LINK_ID || |
f4d02007 | 1210 | (!test_bit(hlid, wlvif->links_map)) || |
d6037d22 AN |
1211 | (wlcore_is_queue_stopped_locked(wl, wlvif, q) && |
1212 | !wlcore_is_queue_stopped_by_reason_locked(wl, wlvif, q, | |
66396114 | 1213 | WLCORE_QUEUE_STOP_REASON_WATERMARK))) { |
d6a3cc2e | 1214 | wl1271_debug(DEBUG_TX, "DROP skb hlid %d q %d", hlid, q); |
5de8eef4 | 1215 | ieee80211_free_txskb(hw, skb); |
d6a3cc2e | 1216 | goto out; |
a8c0ddb5 | 1217 | } |
f5fc0f86 | 1218 | |
8ccd16e6 EP |
1219 | wl1271_debug(DEBUG_TX, "queue skb hlid %d q %d len %d", |
1220 | hlid, q, skb->len); | |
d6a3cc2e EP |
1221 | skb_queue_tail(&wl->links[hlid].tx_queue[q], skb); |
1222 | ||
04b4d69c | 1223 | wl->tx_queue_count[q]++; |
f4d02007 | 1224 | wlvif->tx_queue_count[q]++; |
04b4d69c AN |
1225 | |
1226 | /* | |
1227 | * The workqueue is slow to process the tx_queue and we need stop | |
1228 | * the queue here, otherwise the queue will get too long. | |
1229 | */ | |
1c33db78 | 1230 | if (wlvif->tx_queue_count[q] >= WL1271_TX_QUEUE_HIGH_WATERMARK && |
d6037d22 | 1231 | !wlcore_is_queue_stopped_by_reason_locked(wl, wlvif, q, |
8cdc44aa | 1232 | WLCORE_QUEUE_STOP_REASON_WATERMARK)) { |
04b4d69c | 1233 | wl1271_debug(DEBUG_TX, "op_tx: stopping queues for q %d", q); |
1c33db78 | 1234 | wlcore_stop_queue_locked(wl, wlvif, q, |
66396114 | 1235 | WLCORE_QUEUE_STOP_REASON_WATERMARK); |
04b4d69c AN |
1236 | } |
1237 | ||
f5fc0f86 LC |
1238 | /* |
1239 | * The chip specific setup must run before the first TX packet - | |
1240 | * before that, the tx_work will not be initialized! | |
1241 | */ | |
1242 | ||
b07d4037 IY |
1243 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
1244 | !test_bit(WL1271_FLAG_TX_PENDING, &wl->flags)) | |
a522550a | 1245 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
b07d4037 | 1246 | |
04216da3 | 1247 | out: |
b07d4037 | 1248 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
f5fc0f86 LC |
1249 | } |
1250 | ||
ae47c45f SL |
1251 | int wl1271_tx_dummy_packet(struct wl1271 *wl) |
1252 | { | |
990f5de7 | 1253 | unsigned long flags; |
14623787 AN |
1254 | int q; |
1255 | ||
1256 | /* no need to queue a new dummy packet if one is already pending */ | |
1257 | if (test_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags)) | |
1258 | return 0; | |
1259 | ||
1260 | q = wl1271_tx_get_queue(skb_get_queue_mapping(wl->dummy_packet)); | |
990f5de7 IY |
1261 | |
1262 | spin_lock_irqsave(&wl->wl_lock, flags); | |
1263 | set_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags); | |
f1a46384 | 1264 | wl->tx_queue_count[q]++; |
990f5de7 IY |
1265 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
1266 | ||
1267 | /* The FW is low on RX memory blocks, so send the dummy packet asap */ | |
1268 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags)) | |
eb96f841 | 1269 | return wlcore_tx_work_locked(wl); |
990f5de7 IY |
1270 | |
1271 | /* | |
1272 | * If the FW TX is busy, TX work will be scheduled by the threaded | |
1273 | * interrupt handler function | |
1274 | */ | |
1275 | return 0; | |
1276 | } | |
1277 | ||
1278 | /* | |
1279 | * The size of the dummy packet should be at least 1400 bytes. However, in | |
1280 | * order to minimize the number of bus transactions, aligning it to 512 bytes | |
1281 | * boundaries could be beneficial, performance wise | |
1282 | */ | |
1283 | #define TOTAL_TX_DUMMY_PACKET_SIZE (ALIGN(1400, 512)) | |
1284 | ||
cf27d867 | 1285 | static struct sk_buff *wl12xx_alloc_dummy_packet(struct wl1271 *wl) |
990f5de7 IY |
1286 | { |
1287 | struct sk_buff *skb; | |
ae47c45f | 1288 | struct ieee80211_hdr_3addr *hdr; |
990f5de7 IY |
1289 | unsigned int dummy_packet_size; |
1290 | ||
1291 | dummy_packet_size = TOTAL_TX_DUMMY_PACKET_SIZE - | |
1292 | sizeof(struct wl1271_tx_hw_descr) - sizeof(*hdr); | |
ae47c45f | 1293 | |
990f5de7 | 1294 | skb = dev_alloc_skb(TOTAL_TX_DUMMY_PACKET_SIZE); |
ae47c45f | 1295 | if (!skb) { |
990f5de7 IY |
1296 | wl1271_warning("Failed to allocate a dummy packet skb"); |
1297 | return NULL; | |
ae47c45f SL |
1298 | } |
1299 | ||
1300 | skb_reserve(skb, sizeof(struct wl1271_tx_hw_descr)); | |
1301 | ||
1302 | hdr = (struct ieee80211_hdr_3addr *) skb_put(skb, sizeof(*hdr)); | |
1303 | memset(hdr, 0, sizeof(*hdr)); | |
1304 | hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
990f5de7 IY |
1305 | IEEE80211_STYPE_NULLFUNC | |
1306 | IEEE80211_FCTL_TODS); | |
ae47c45f | 1307 | |
990f5de7 | 1308 | memset(skb_put(skb, dummy_packet_size), 0, dummy_packet_size); |
ae47c45f | 1309 | |
18b92ffa LC |
1310 | /* Dummy packets require the TID to be management */ |
1311 | skb->priority = WL1271_TID_MGMT; | |
ae47c45f | 1312 | |
990f5de7 | 1313 | /* Initialize all fields that might be used */ |
86c438f4 | 1314 | skb_set_queue_mapping(skb, 0); |
990f5de7 | 1315 | memset(IEEE80211_SKB_CB(skb), 0, sizeof(struct ieee80211_tx_info)); |
ae47c45f | 1316 | |
990f5de7 | 1317 | return skb; |
ae47c45f SL |
1318 | } |
1319 | ||
990f5de7 | 1320 | |
f634a4e7 | 1321 | #ifdef CONFIG_PM |
22479972 | 1322 | static int |
50ac6607 | 1323 | wl1271_validate_wowlan_pattern(struct cfg80211_pkt_pattern *p) |
b95d7cef ES |
1324 | { |
1325 | int num_fields = 0, in_field = 0, fields_size = 0; | |
1326 | int i, pattern_len = 0; | |
1327 | ||
1328 | if (!p->mask) { | |
1329 | wl1271_warning("No mask in WoWLAN pattern"); | |
1330 | return -EINVAL; | |
1331 | } | |
1332 | ||
1333 | /* | |
1334 | * The pattern is broken up into segments of bytes at different offsets | |
1335 | * that need to be checked by the FW filter. Each segment is called | |
1336 | * a field in the FW API. We verify that the total number of fields | |
1337 | * required for this pattern won't exceed FW limits (8) | |
1338 | * as well as the total fields buffer won't exceed the FW limit. | |
1339 | * Note that if there's a pattern which crosses Ethernet/IP header | |
1340 | * boundary a new field is required. | |
1341 | */ | |
1342 | for (i = 0; i < p->pattern_len; i++) { | |
1343 | if (test_bit(i, (unsigned long *)p->mask)) { | |
1344 | if (!in_field) { | |
1345 | in_field = 1; | |
1346 | pattern_len = 1; | |
1347 | } else { | |
1348 | if (i == WL1271_RX_FILTER_ETH_HEADER_SIZE) { | |
1349 | num_fields++; | |
1350 | fields_size += pattern_len + | |
1351 | RX_FILTER_FIELD_OVERHEAD; | |
1352 | pattern_len = 1; | |
1353 | } else | |
1354 | pattern_len++; | |
1355 | } | |
1356 | } else { | |
1357 | if (in_field) { | |
1358 | in_field = 0; | |
1359 | fields_size += pattern_len + | |
1360 | RX_FILTER_FIELD_OVERHEAD; | |
1361 | num_fields++; | |
1362 | } | |
1363 | } | |
1364 | } | |
1365 | ||
1366 | if (in_field) { | |
1367 | fields_size += pattern_len + RX_FILTER_FIELD_OVERHEAD; | |
1368 | num_fields++; | |
1369 | } | |
1370 | ||
1371 | if (num_fields > WL1271_RX_FILTER_MAX_FIELDS) { | |
1372 | wl1271_warning("RX Filter too complex. Too many segments"); | |
1373 | return -EINVAL; | |
1374 | } | |
1375 | ||
1376 | if (fields_size > WL1271_RX_FILTER_MAX_FIELDS_SIZE) { | |
1377 | wl1271_warning("RX filter pattern is too big"); | |
1378 | return -E2BIG; | |
1379 | } | |
1380 | ||
1381 | return 0; | |
1382 | } | |
1383 | ||
a6eab0c8 ES |
1384 | struct wl12xx_rx_filter *wl1271_rx_filter_alloc(void) |
1385 | { | |
1386 | return kzalloc(sizeof(struct wl12xx_rx_filter), GFP_KERNEL); | |
1387 | } | |
1388 | ||
1389 | void wl1271_rx_filter_free(struct wl12xx_rx_filter *filter) | |
1390 | { | |
1391 | int i; | |
1392 | ||
1393 | if (filter == NULL) | |
1394 | return; | |
1395 | ||
1396 | for (i = 0; i < filter->num_fields; i++) | |
1397 | kfree(filter->fields[i].pattern); | |
1398 | ||
1399 | kfree(filter); | |
1400 | } | |
1401 | ||
1402 | int wl1271_rx_filter_alloc_field(struct wl12xx_rx_filter *filter, | |
1403 | u16 offset, u8 flags, | |
922bd80f | 1404 | const u8 *pattern, u8 len) |
a6eab0c8 ES |
1405 | { |
1406 | struct wl12xx_rx_filter_field *field; | |
1407 | ||
1408 | if (filter->num_fields == WL1271_RX_FILTER_MAX_FIELDS) { | |
1409 | wl1271_warning("Max fields per RX filter. can't alloc another"); | |
1410 | return -EINVAL; | |
1411 | } | |
1412 | ||
1413 | field = &filter->fields[filter->num_fields]; | |
1414 | ||
1415 | field->pattern = kzalloc(len, GFP_KERNEL); | |
1416 | if (!field->pattern) { | |
1417 | wl1271_warning("Failed to allocate RX filter pattern"); | |
1418 | return -ENOMEM; | |
1419 | } | |
1420 | ||
1421 | filter->num_fields++; | |
1422 | ||
1423 | field->offset = cpu_to_le16(offset); | |
1424 | field->flags = flags; | |
1425 | field->len = len; | |
1426 | memcpy(field->pattern, pattern, len); | |
1427 | ||
1428 | return 0; | |
1429 | } | |
1430 | ||
1431 | int wl1271_rx_filter_get_fields_size(struct wl12xx_rx_filter *filter) | |
1432 | { | |
1433 | int i, fields_size = 0; | |
1434 | ||
1435 | for (i = 0; i < filter->num_fields; i++) | |
1436 | fields_size += filter->fields[i].len + | |
1437 | sizeof(struct wl12xx_rx_filter_field) - | |
1438 | sizeof(u8 *); | |
1439 | ||
1440 | return fields_size; | |
1441 | } | |
1442 | ||
1443 | void wl1271_rx_filter_flatten_fields(struct wl12xx_rx_filter *filter, | |
1444 | u8 *buf) | |
1445 | { | |
1446 | int i; | |
1447 | struct wl12xx_rx_filter_field *field; | |
1448 | ||
1449 | for (i = 0; i < filter->num_fields; i++) { | |
1450 | field = (struct wl12xx_rx_filter_field *)buf; | |
1451 | ||
1452 | field->offset = filter->fields[i].offset; | |
1453 | field->flags = filter->fields[i].flags; | |
1454 | field->len = filter->fields[i].len; | |
1455 | ||
1456 | memcpy(&field->pattern, filter->fields[i].pattern, field->len); | |
1457 | buf += sizeof(struct wl12xx_rx_filter_field) - | |
1458 | sizeof(u8 *) + field->len; | |
1459 | } | |
1460 | } | |
1461 | ||
b95d7cef ES |
1462 | /* |
1463 | * Allocates an RX filter returned through f | |
1464 | * which needs to be freed using rx_filter_free() | |
1465 | */ | |
50ac6607 AK |
1466 | static int |
1467 | wl1271_convert_wowlan_pattern_to_rx_filter(struct cfg80211_pkt_pattern *p, | |
1468 | struct wl12xx_rx_filter **f) | |
b95d7cef ES |
1469 | { |
1470 | int i, j, ret = 0; | |
1471 | struct wl12xx_rx_filter *filter; | |
1472 | u16 offset; | |
1473 | u8 flags, len; | |
1474 | ||
1475 | filter = wl1271_rx_filter_alloc(); | |
1476 | if (!filter) { | |
1477 | wl1271_warning("Failed to alloc rx filter"); | |
1478 | ret = -ENOMEM; | |
1479 | goto err; | |
1480 | } | |
1481 | ||
1482 | i = 0; | |
1483 | while (i < p->pattern_len) { | |
1484 | if (!test_bit(i, (unsigned long *)p->mask)) { | |
1485 | i++; | |
1486 | continue; | |
1487 | } | |
1488 | ||
1489 | for (j = i; j < p->pattern_len; j++) { | |
1490 | if (!test_bit(j, (unsigned long *)p->mask)) | |
1491 | break; | |
1492 | ||
1493 | if (i < WL1271_RX_FILTER_ETH_HEADER_SIZE && | |
1494 | j >= WL1271_RX_FILTER_ETH_HEADER_SIZE) | |
1495 | break; | |
1496 | } | |
1497 | ||
1498 | if (i < WL1271_RX_FILTER_ETH_HEADER_SIZE) { | |
1499 | offset = i; | |
1500 | flags = WL1271_RX_FILTER_FLAG_ETHERNET_HEADER; | |
1501 | } else { | |
1502 | offset = i - WL1271_RX_FILTER_ETH_HEADER_SIZE; | |
1503 | flags = WL1271_RX_FILTER_FLAG_IP_HEADER; | |
1504 | } | |
1505 | ||
1506 | len = j - i; | |
1507 | ||
1508 | ret = wl1271_rx_filter_alloc_field(filter, | |
1509 | offset, | |
1510 | flags, | |
1511 | &p->pattern[i], len); | |
1512 | if (ret) | |
1513 | goto err; | |
1514 | ||
1515 | i = j; | |
1516 | } | |
1517 | ||
1518 | filter->action = FILTER_SIGNAL; | |
1519 | ||
1520 | *f = filter; | |
1521 | return 0; | |
1522 | ||
1523 | err: | |
1524 | wl1271_rx_filter_free(filter); | |
1525 | *f = NULL; | |
1526 | ||
1527 | return ret; | |
1528 | } | |
1529 | ||
1530 | static int wl1271_configure_wowlan(struct wl1271 *wl, | |
1531 | struct cfg80211_wowlan *wow) | |
1532 | { | |
1533 | int i, ret; | |
1534 | ||
1535 | if (!wow || wow->any || !wow->n_patterns) { | |
c439a1ca AN |
1536 | ret = wl1271_acx_default_rx_filter_enable(wl, 0, |
1537 | FILTER_SIGNAL); | |
1538 | if (ret) | |
1539 | goto out; | |
1540 | ||
1541 | ret = wl1271_rx_filter_clear_all(wl); | |
1542 | if (ret) | |
1543 | goto out; | |
1544 | ||
b95d7cef ES |
1545 | return 0; |
1546 | } | |
1547 | ||
1548 | if (WARN_ON(wow->n_patterns > WL1271_MAX_RX_FILTERS)) | |
1549 | return -EINVAL; | |
1550 | ||
1551 | /* Validate all incoming patterns before clearing current FW state */ | |
1552 | for (i = 0; i < wow->n_patterns; i++) { | |
1553 | ret = wl1271_validate_wowlan_pattern(&wow->patterns[i]); | |
1554 | if (ret) { | |
1555 | wl1271_warning("Bad wowlan pattern %d", i); | |
1556 | return ret; | |
1557 | } | |
1558 | } | |
1559 | ||
c439a1ca AN |
1560 | ret = wl1271_acx_default_rx_filter_enable(wl, 0, FILTER_SIGNAL); |
1561 | if (ret) | |
1562 | goto out; | |
1563 | ||
1564 | ret = wl1271_rx_filter_clear_all(wl); | |
1565 | if (ret) | |
1566 | goto out; | |
b95d7cef ES |
1567 | |
1568 | /* Translate WoWLAN patterns into filters */ | |
1569 | for (i = 0; i < wow->n_patterns; i++) { | |
50ac6607 | 1570 | struct cfg80211_pkt_pattern *p; |
b95d7cef ES |
1571 | struct wl12xx_rx_filter *filter = NULL; |
1572 | ||
1573 | p = &wow->patterns[i]; | |
1574 | ||
1575 | ret = wl1271_convert_wowlan_pattern_to_rx_filter(p, &filter); | |
1576 | if (ret) { | |
1577 | wl1271_warning("Failed to create an RX filter from " | |
1578 | "wowlan pattern %d", i); | |
1579 | goto out; | |
1580 | } | |
1581 | ||
1582 | ret = wl1271_rx_filter_enable(wl, i, 1, filter); | |
1583 | ||
1584 | wl1271_rx_filter_free(filter); | |
1585 | if (ret) | |
1586 | goto out; | |
1587 | } | |
1588 | ||
1589 | ret = wl1271_acx_default_rx_filter_enable(wl, 1, FILTER_DROP); | |
1590 | ||
1591 | out: | |
1592 | return ret; | |
1593 | } | |
1594 | ||
dae728fe | 1595 | static int wl1271_configure_suspend_sta(struct wl1271 *wl, |
b95d7cef ES |
1596 | struct wl12xx_vif *wlvif, |
1597 | struct cfg80211_wowlan *wow) | |
dae728fe ES |
1598 | { |
1599 | int ret = 0; | |
1600 | ||
dae728fe | 1601 | if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
c56dbd57 | 1602 | goto out; |
dae728fe | 1603 | |
c439a1ca AN |
1604 | ret = wl1271_configure_wowlan(wl, wow); |
1605 | if (ret < 0) | |
6d5a748d | 1606 | goto out; |
c439a1ca | 1607 | |
11bc97eb ES |
1608 | if ((wl->conf.conn.suspend_wake_up_event == |
1609 | wl->conf.conn.wake_up_event) && | |
1610 | (wl->conf.conn.suspend_listen_interval == | |
1611 | wl->conf.conn.listen_interval)) | |
6d5a748d | 1612 | goto out; |
11bc97eb | 1613 | |
dae728fe ES |
1614 | ret = wl1271_acx_wake_up_conditions(wl, wlvif, |
1615 | wl->conf.conn.suspend_wake_up_event, | |
1616 | wl->conf.conn.suspend_listen_interval); | |
1617 | ||
1618 | if (ret < 0) | |
1619 | wl1271_error("suspend: set wake up conditions failed: %d", ret); | |
c56dbd57 | 1620 | out: |
dae728fe ES |
1621 | return ret; |
1622 | ||
1623 | } | |
9439064c | 1624 | |
0603d891 | 1625 | static int wl1271_configure_suspend_ap(struct wl1271 *wl, |
b8714d1b EP |
1626 | struct wl12xx_vif *wlvif, |
1627 | struct cfg80211_wowlan *wow) | |
8a7cf3fe | 1628 | { |
e85d1629 | 1629 | int ret = 0; |
8a7cf3fe | 1630 | |
53d40d0b | 1631 | if (!test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) |
c56dbd57 | 1632 | goto out; |
e85d1629 | 1633 | |
0603d891 | 1634 | ret = wl1271_acx_beacon_filter_opt(wl, wlvif, true); |
b8714d1b EP |
1635 | if (ret < 0) |
1636 | goto out; | |
1637 | ||
1638 | ret = wl1271_configure_wowlan(wl, wow); | |
1639 | if (ret < 0) | |
1640 | goto out; | |
8a7cf3fe | 1641 | |
c56dbd57 | 1642 | out: |
8a7cf3fe EP |
1643 | return ret; |
1644 | ||
1645 | } | |
1646 | ||
d2d66c56 | 1647 | static int wl1271_configure_suspend(struct wl1271 *wl, |
b95d7cef ES |
1648 | struct wl12xx_vif *wlvif, |
1649 | struct cfg80211_wowlan *wow) | |
8a7cf3fe | 1650 | { |
dae728fe | 1651 | if (wlvif->bss_type == BSS_TYPE_STA_BSS) |
b95d7cef | 1652 | return wl1271_configure_suspend_sta(wl, wlvif, wow); |
536129c8 | 1653 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) |
b8714d1b | 1654 | return wl1271_configure_suspend_ap(wl, wlvif, wow); |
8a7cf3fe EP |
1655 | return 0; |
1656 | } | |
1657 | ||
8f6ac537 | 1658 | static void wl1271_configure_resume(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
9439064c | 1659 | { |
dae728fe | 1660 | int ret = 0; |
536129c8 | 1661 | bool is_ap = wlvif->bss_type == BSS_TYPE_AP_BSS; |
dae728fe | 1662 | bool is_sta = wlvif->bss_type == BSS_TYPE_STA_BSS; |
9439064c | 1663 | |
dae728fe | 1664 | if ((!is_ap) && (!is_sta)) |
9439064c EP |
1665 | return; |
1666 | ||
b8714d1b EP |
1667 | if ((is_sta && !test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) || |
1668 | (is_ap && !test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags))) | |
d49524d3 EP |
1669 | return; |
1670 | ||
b8714d1b | 1671 | wl1271_configure_wowlan(wl, NULL); |
b95d7cef | 1672 | |
b8714d1b | 1673 | if (is_sta) { |
11bc97eb ES |
1674 | if ((wl->conf.conn.suspend_wake_up_event == |
1675 | wl->conf.conn.wake_up_event) && | |
1676 | (wl->conf.conn.suspend_listen_interval == | |
1677 | wl->conf.conn.listen_interval)) | |
6d5a748d | 1678 | return; |
11bc97eb | 1679 | |
dae728fe ES |
1680 | ret = wl1271_acx_wake_up_conditions(wl, wlvif, |
1681 | wl->conf.conn.wake_up_event, | |
1682 | wl->conf.conn.listen_interval); | |
1683 | ||
1684 | if (ret < 0) | |
1685 | wl1271_error("resume: wake up conditions failed: %d", | |
1686 | ret); | |
1687 | ||
1688 | } else if (is_ap) { | |
1689 | ret = wl1271_acx_beacon_filter_opt(wl, wlvif, false); | |
1690 | } | |
9439064c EP |
1691 | } |
1692 | ||
402e4861 EP |
1693 | static int wl1271_op_suspend(struct ieee80211_hw *hw, |
1694 | struct cfg80211_wowlan *wow) | |
1695 | { | |
1696 | struct wl1271 *wl = hw->priv; | |
6e8cd331 | 1697 | struct wl12xx_vif *wlvif; |
4a859df8 EP |
1698 | int ret; |
1699 | ||
402e4861 | 1700 | wl1271_debug(DEBUG_MAC80211, "mac80211 suspend wow=%d", !!wow); |
b95d7cef | 1701 | WARN_ON(!wow); |
f44e5868 | 1702 | |
96caded8 AN |
1703 | /* we want to perform the recovery before suspending */ |
1704 | if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) { | |
1705 | wl1271_warning("postponing suspend to perform recovery"); | |
1706 | return -EBUSY; | |
1707 | } | |
1708 | ||
b9239b66 AN |
1709 | wl1271_tx_flush(wl); |
1710 | ||
c56dbd57 | 1711 | mutex_lock(&wl->mutex); |
6d5a748d RA |
1712 | |
1713 | ret = wl1271_ps_elp_wakeup(wl); | |
bcb51441 DC |
1714 | if (ret < 0) { |
1715 | mutex_unlock(&wl->mutex); | |
6d5a748d | 1716 | return ret; |
bcb51441 | 1717 | } |
6d5a748d | 1718 | |
4a859df8 | 1719 | wl->wow_enabled = true; |
6e8cd331 | 1720 | wl12xx_for_each_wlvif(wl, wlvif) { |
7845af35 EP |
1721 | if (wlcore_is_p2p_mgmt(wlvif)) |
1722 | continue; | |
1723 | ||
b95d7cef | 1724 | ret = wl1271_configure_suspend(wl, wlvif, wow); |
6e8cd331 | 1725 | if (ret < 0) { |
cd840f6a | 1726 | mutex_unlock(&wl->mutex); |
6e8cd331 EP |
1727 | wl1271_warning("couldn't prepare device to suspend"); |
1728 | return ret; | |
1729 | } | |
4a859df8 | 1730 | } |
6d5a748d RA |
1731 | |
1732 | /* disable fast link flow control notifications from FW */ | |
1733 | ret = wlcore_hw_interrupt_notify(wl, false); | |
1734 | if (ret < 0) | |
1735 | goto out_sleep; | |
1736 | ||
1737 | /* if filtering is enabled, configure the FW to drop all RX BA frames */ | |
1738 | ret = wlcore_hw_rx_ba_filter(wl, | |
1739 | !!wl->conf.conn.suspend_rx_ba_activity); | |
1740 | if (ret < 0) | |
1741 | goto out_sleep; | |
1742 | ||
1743 | out_sleep: | |
1744 | wl1271_ps_elp_sleep(wl); | |
c56dbd57 | 1745 | mutex_unlock(&wl->mutex); |
6d5a748d RA |
1746 | |
1747 | if (ret < 0) { | |
1748 | wl1271_warning("couldn't prepare device to suspend"); | |
1749 | return ret; | |
1750 | } | |
1751 | ||
4a859df8 EP |
1752 | /* flush any remaining work */ |
1753 | wl1271_debug(DEBUG_MAC80211, "flushing remaining works"); | |
f44e5868 | 1754 | |
4a859df8 EP |
1755 | /* |
1756 | * disable and re-enable interrupts in order to flush | |
1757 | * the threaded_irq | |
1758 | */ | |
dd5512eb | 1759 | wlcore_disable_interrupts(wl); |
4a859df8 EP |
1760 | |
1761 | /* | |
1762 | * set suspended flag to avoid triggering a new threaded_irq | |
1763 | * work. no need for spinlock as interrupts are disabled. | |
1764 | */ | |
1765 | set_bit(WL1271_FLAG_SUSPENDED, &wl->flags); | |
1766 | ||
dd5512eb | 1767 | wlcore_enable_interrupts(wl); |
4a859df8 | 1768 | flush_work(&wl->tx_work); |
4a859df8 | 1769 | flush_delayed_work(&wl->elp_work); |
f44e5868 | 1770 | |
9be86cf0 AN |
1771 | /* |
1772 | * Cancel the watchdog even if above tx_flush failed. We will detect | |
1773 | * it on resume anyway. | |
1774 | */ | |
1775 | cancel_delayed_work(&wl->tx_watchdog_work); | |
1776 | ||
402e4861 EP |
1777 | return 0; |
1778 | } | |
1779 | ||
1780 | static int wl1271_op_resume(struct ieee80211_hw *hw) | |
1781 | { | |
1782 | struct wl1271 *wl = hw->priv; | |
6e8cd331 | 1783 | struct wl12xx_vif *wlvif; |
4a859df8 | 1784 | unsigned long flags; |
ea0a3cf9 | 1785 | bool run_irq_work = false, pending_recovery; |
725b8277 | 1786 | int ret; |
4a859df8 | 1787 | |
402e4861 EP |
1788 | wl1271_debug(DEBUG_MAC80211, "mac80211 resume wow=%d", |
1789 | wl->wow_enabled); | |
4a859df8 | 1790 | WARN_ON(!wl->wow_enabled); |
f44e5868 EP |
1791 | |
1792 | /* | |
1793 | * re-enable irq_work enqueuing, and call irq_work directly if | |
1794 | * there is a pending work. | |
1795 | */ | |
4a859df8 EP |
1796 | spin_lock_irqsave(&wl->wl_lock, flags); |
1797 | clear_bit(WL1271_FLAG_SUSPENDED, &wl->flags); | |
1798 | if (test_and_clear_bit(WL1271_FLAG_PENDING_WORK, &wl->flags)) | |
1799 | run_irq_work = true; | |
1800 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
9439064c | 1801 | |
725b8277 AN |
1802 | mutex_lock(&wl->mutex); |
1803 | ||
ea0a3cf9 AN |
1804 | /* test the recovery flag before calling any SDIO functions */ |
1805 | pending_recovery = test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, | |
1806 | &wl->flags); | |
1807 | ||
4a859df8 EP |
1808 | if (run_irq_work) { |
1809 | wl1271_debug(DEBUG_MAC80211, | |
1810 | "run postponed irq_work directly"); | |
ea0a3cf9 AN |
1811 | |
1812 | /* don't talk to the HW if recovery is pending */ | |
725b8277 AN |
1813 | if (!pending_recovery) { |
1814 | ret = wlcore_irq_locked(wl); | |
1815 | if (ret) | |
1816 | wl12xx_queue_recovery_work(wl); | |
1817 | } | |
ea0a3cf9 | 1818 | |
dd5512eb | 1819 | wlcore_enable_interrupts(wl); |
f44e5868 | 1820 | } |
c56dbd57 | 1821 | |
ea0a3cf9 AN |
1822 | if (pending_recovery) { |
1823 | wl1271_warning("queuing forgotten recovery on resume"); | |
1824 | ieee80211_queue_work(wl->hw, &wl->recovery_work); | |
6d5a748d | 1825 | goto out_sleep; |
ea0a3cf9 AN |
1826 | } |
1827 | ||
6d5a748d RA |
1828 | ret = wl1271_ps_elp_wakeup(wl); |
1829 | if (ret < 0) | |
1830 | goto out; | |
1831 | ||
6e8cd331 | 1832 | wl12xx_for_each_wlvif(wl, wlvif) { |
7845af35 EP |
1833 | if (wlcore_is_p2p_mgmt(wlvif)) |
1834 | continue; | |
1835 | ||
6e8cd331 EP |
1836 | wl1271_configure_resume(wl, wlvif); |
1837 | } | |
ea0a3cf9 | 1838 | |
6d5a748d RA |
1839 | ret = wlcore_hw_interrupt_notify(wl, true); |
1840 | if (ret < 0) | |
1841 | goto out_sleep; | |
1842 | ||
1843 | /* if filtering is enabled, configure the FW to drop all RX BA frames */ | |
1844 | ret = wlcore_hw_rx_ba_filter(wl, false); | |
1845 | if (ret < 0) | |
1846 | goto out_sleep; | |
1847 | ||
1848 | out_sleep: | |
1849 | wl1271_ps_elp_sleep(wl); | |
1850 | ||
ea0a3cf9 | 1851 | out: |
ff91afc9 | 1852 | wl->wow_enabled = false; |
9be86cf0 AN |
1853 | |
1854 | /* | |
1855 | * Set a flag to re-init the watchdog on the first Tx after resume. | |
1856 | * That way we avoid possible conditions where Tx-complete interrupts | |
1857 | * fail to arrive and we perform a spurious recovery. | |
1858 | */ | |
1859 | set_bit(WL1271_FLAG_REINIT_TX_WDOG, &wl->flags); | |
c56dbd57 | 1860 | mutex_unlock(&wl->mutex); |
f44e5868 | 1861 | |
402e4861 EP |
1862 | return 0; |
1863 | } | |
f634a4e7 | 1864 | #endif |
402e4861 | 1865 | |
f5fc0f86 | 1866 | static int wl1271_op_start(struct ieee80211_hw *hw) |
1b72aecd JO |
1867 | { |
1868 | wl1271_debug(DEBUG_MAC80211, "mac80211 start"); | |
1869 | ||
1870 | /* | |
1871 | * We have to delay the booting of the hardware because | |
1872 | * we need to know the local MAC address before downloading and | |
1873 | * initializing the firmware. The MAC address cannot be changed | |
1874 | * after boot, and without the proper MAC address, the firmware | |
1875 | * will not function properly. | |
1876 | * | |
1877 | * The MAC address is first known when the corresponding interface | |
1878 | * is added. That is where we will initialize the hardware. | |
1879 | */ | |
1880 | ||
d18da7fc | 1881 | return 0; |
1b72aecd JO |
1882 | } |
1883 | ||
c24ec83b | 1884 | static void wlcore_op_stop_locked(struct wl1271 *wl) |
1b72aecd | 1885 | { |
baf6277a EP |
1886 | int i; |
1887 | ||
4cc53383 | 1888 | if (wl->state == WLCORE_STATE_OFF) { |
b666bb7f IY |
1889 | if (test_and_clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, |
1890 | &wl->flags)) | |
1891 | wlcore_enable_interrupts(wl); | |
1892 | ||
10c8cd01 EP |
1893 | return; |
1894 | } | |
46b0cc9f | 1895 | |
baf6277a EP |
1896 | /* |
1897 | * this must be before the cancel_work calls below, so that the work | |
1898 | * functions don't perform further work. | |
1899 | */ | |
4cc53383 | 1900 | wl->state = WLCORE_STATE_OFF; |
c24ec83b IY |
1901 | |
1902 | /* | |
1903 | * Use the nosync variant to disable interrupts, so the mutex could be | |
1904 | * held while doing so without deadlocking. | |
1905 | */ | |
1906 | wlcore_disable_interrupts_nosync(wl); | |
1907 | ||
10c8cd01 EP |
1908 | mutex_unlock(&wl->mutex); |
1909 | ||
c24ec83b | 1910 | wlcore_synchronize_interrupts(wl); |
6dbc5fc2 EP |
1911 | if (!test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) |
1912 | cancel_work_sync(&wl->recovery_work); | |
baf6277a EP |
1913 | wl1271_flush_deferred_work(wl); |
1914 | cancel_delayed_work_sync(&wl->scan_complete_work); | |
1915 | cancel_work_sync(&wl->netstack_work); | |
1916 | cancel_work_sync(&wl->tx_work); | |
baf6277a | 1917 | cancel_delayed_work_sync(&wl->elp_work); |
55df5afb | 1918 | cancel_delayed_work_sync(&wl->tx_watchdog_work); |
baf6277a EP |
1919 | |
1920 | /* let's notify MAC80211 about the remaining pending TX frames */ | |
baf6277a | 1921 | mutex_lock(&wl->mutex); |
d935e385 | 1922 | wl12xx_tx_reset(wl); |
baf6277a EP |
1923 | |
1924 | wl1271_power_off(wl); | |
b666bb7f IY |
1925 | /* |
1926 | * In case a recovery was scheduled, interrupts were disabled to avoid | |
1927 | * an interrupt storm. Now that the power is down, it is safe to | |
1928 | * re-enable interrupts to balance the disable depth | |
1929 | */ | |
1930 | if (test_and_clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) | |
1931 | wlcore_enable_interrupts(wl); | |
baf6277a EP |
1932 | |
1933 | wl->band = IEEE80211_BAND_2GHZ; | |
1934 | ||
1935 | wl->rx_counter = 0; | |
1936 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; | |
83d08d3f | 1937 | wl->channel_type = NL80211_CHAN_NO_HT; |
baf6277a EP |
1938 | wl->tx_blocks_available = 0; |
1939 | wl->tx_allocated_blocks = 0; | |
1940 | wl->tx_results_count = 0; | |
1941 | wl->tx_packets_count = 0; | |
1942 | wl->time_offset = 0; | |
baf6277a EP |
1943 | wl->ap_fw_ps_map = 0; |
1944 | wl->ap_ps_map = 0; | |
2f18cf7c | 1945 | wl->sleep_auth = WL1271_PSM_ILLEGAL; |
baf6277a EP |
1946 | memset(wl->roles_map, 0, sizeof(wl->roles_map)); |
1947 | memset(wl->links_map, 0, sizeof(wl->links_map)); | |
1948 | memset(wl->roc_map, 0, sizeof(wl->roc_map)); | |
978cd3a0 | 1949 | memset(wl->session_ids, 0, sizeof(wl->session_ids)); |
02d0727c | 1950 | memset(wl->rx_filter_enabled, 0, sizeof(wl->rx_filter_enabled)); |
baf6277a | 1951 | wl->active_sta_count = 0; |
9a100968 | 1952 | wl->active_link_count = 0; |
baf6277a EP |
1953 | |
1954 | /* The system link is always allocated */ | |
9ebcb232 AN |
1955 | wl->links[WL12XX_SYSTEM_HLID].allocated_pkts = 0; |
1956 | wl->links[WL12XX_SYSTEM_HLID].prev_freed_pkts = 0; | |
baf6277a EP |
1957 | __set_bit(WL12XX_SYSTEM_HLID, wl->links_map); |
1958 | ||
1959 | /* | |
1960 | * this is performed after the cancel_work calls and the associated | |
1961 | * mutex_lock, so that wl1271_op_add_interface does not accidentally | |
1962 | * get executed before all these vars have been reset. | |
1963 | */ | |
1964 | wl->flags = 0; | |
1965 | ||
1966 | wl->tx_blocks_freed = 0; | |
1967 | ||
1968 | for (i = 0; i < NUM_TX_QUEUES; i++) { | |
1969 | wl->tx_pkts_freed[i] = 0; | |
1970 | wl->tx_allocated_pkts[i] = 0; | |
1971 | } | |
1972 | ||
1973 | wl1271_debugfs_reset(wl); | |
1974 | ||
75fb4df7 EP |
1975 | kfree(wl->raw_fw_status); |
1976 | wl->raw_fw_status = NULL; | |
1977 | kfree(wl->fw_status); | |
1978 | wl->fw_status = NULL; | |
baf6277a EP |
1979 | kfree(wl->tx_res_if); |
1980 | wl->tx_res_if = NULL; | |
1981 | kfree(wl->target_mem_map); | |
1982 | wl->target_mem_map = NULL; | |
6b70e7eb VG |
1983 | |
1984 | /* | |
1985 | * FW channels must be re-calibrated after recovery, | |
8d3c1fd8 | 1986 | * save current Reg-Domain channel configuration and clear it. |
6b70e7eb | 1987 | */ |
8d3c1fd8 EP |
1988 | memcpy(wl->reg_ch_conf_pending, wl->reg_ch_conf_last, |
1989 | sizeof(wl->reg_ch_conf_pending)); | |
6b70e7eb | 1990 | memset(wl->reg_ch_conf_last, 0, sizeof(wl->reg_ch_conf_last)); |
c24ec83b IY |
1991 | } |
1992 | ||
1993 | static void wlcore_op_stop(struct ieee80211_hw *hw) | |
1994 | { | |
1995 | struct wl1271 *wl = hw->priv; | |
1996 | ||
1997 | wl1271_debug(DEBUG_MAC80211, "mac80211 stop"); | |
1998 | ||
1999 | mutex_lock(&wl->mutex); | |
2000 | ||
2001 | wlcore_op_stop_locked(wl); | |
baf6277a EP |
2002 | |
2003 | mutex_unlock(&wl->mutex); | |
1b72aecd JO |
2004 | } |
2005 | ||
c50a2825 EP |
2006 | static void wlcore_channel_switch_work(struct work_struct *work) |
2007 | { | |
2008 | struct delayed_work *dwork; | |
2009 | struct wl1271 *wl; | |
2010 | struct ieee80211_vif *vif; | |
2011 | struct wl12xx_vif *wlvif; | |
2012 | int ret; | |
2013 | ||
2014 | dwork = container_of(work, struct delayed_work, work); | |
2015 | wlvif = container_of(dwork, struct wl12xx_vif, channel_switch_work); | |
2016 | wl = wlvif->wl; | |
2017 | ||
2018 | wl1271_info("channel switch failed (role_id: %d).", wlvif->role_id); | |
2019 | ||
2020 | mutex_lock(&wl->mutex); | |
2021 | ||
2022 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
2023 | goto out; | |
2024 | ||
2025 | /* check the channel switch is still ongoing */ | |
2026 | if (!test_and_clear_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags)) | |
2027 | goto out; | |
2028 | ||
2029 | vif = wl12xx_wlvif_to_vif(wlvif); | |
2030 | ieee80211_chswitch_done(vif, false); | |
2031 | ||
2032 | ret = wl1271_ps_elp_wakeup(wl); | |
2033 | if (ret < 0) | |
2034 | goto out; | |
2035 | ||
2036 | wl12xx_cmd_stop_channel_switch(wl, wlvif); | |
2037 | ||
2038 | wl1271_ps_elp_sleep(wl); | |
2039 | out: | |
2040 | mutex_unlock(&wl->mutex); | |
2041 | } | |
2042 | ||
2043 | static void wlcore_connection_loss_work(struct work_struct *work) | |
2044 | { | |
2045 | struct delayed_work *dwork; | |
2046 | struct wl1271 *wl; | |
2047 | struct ieee80211_vif *vif; | |
2048 | struct wl12xx_vif *wlvif; | |
2049 | ||
2050 | dwork = container_of(work, struct delayed_work, work); | |
2051 | wlvif = container_of(dwork, struct wl12xx_vif, connection_loss_work); | |
2052 | wl = wlvif->wl; | |
2053 | ||
2054 | wl1271_info("Connection loss work (role_id: %d).", wlvif->role_id); | |
2055 | ||
2056 | mutex_lock(&wl->mutex); | |
2057 | ||
2058 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
2059 | goto out; | |
2060 | ||
2061 | /* Call mac80211 connection loss */ | |
2062 | if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) | |
2063 | goto out; | |
2064 | ||
2065 | vif = wl12xx_wlvif_to_vif(wlvif); | |
2066 | ieee80211_connection_loss(vif); | |
2067 | out: | |
2068 | mutex_unlock(&wl->mutex); | |
2069 | } | |
2070 | ||
187e52cc AN |
2071 | static void wlcore_pending_auth_complete_work(struct work_struct *work) |
2072 | { | |
2073 | struct delayed_work *dwork; | |
2074 | struct wl1271 *wl; | |
2075 | struct wl12xx_vif *wlvif; | |
2076 | unsigned long time_spare; | |
2077 | int ret; | |
2078 | ||
2079 | dwork = container_of(work, struct delayed_work, work); | |
2080 | wlvif = container_of(dwork, struct wl12xx_vif, | |
2081 | pending_auth_complete_work); | |
2082 | wl = wlvif->wl; | |
2083 | ||
2084 | mutex_lock(&wl->mutex); | |
2085 | ||
2086 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
2087 | goto out; | |
2088 | ||
2089 | /* | |
2090 | * Make sure a second really passed since the last auth reply. Maybe | |
2091 | * a second auth reply arrived while we were stuck on the mutex. | |
2092 | * Check for a little less than the timeout to protect from scheduler | |
2093 | * irregularities. | |
2094 | */ | |
2095 | time_spare = jiffies + | |
2096 | msecs_to_jiffies(WLCORE_PEND_AUTH_ROC_TIMEOUT - 50); | |
2097 | if (!time_after(time_spare, wlvif->pending_auth_reply_time)) | |
2098 | goto out; | |
2099 | ||
2100 | ret = wl1271_ps_elp_wakeup(wl); | |
2101 | if (ret < 0) | |
2102 | goto out; | |
2103 | ||
2104 | /* cancel the ROC if active */ | |
2105 | wlcore_update_inconn_sta(wl, wlvif, NULL, false); | |
2106 | ||
2107 | wl1271_ps_elp_sleep(wl); | |
2108 | out: | |
2109 | mutex_unlock(&wl->mutex); | |
2110 | } | |
2111 | ||
e5a359f8 EP |
2112 | static int wl12xx_allocate_rate_policy(struct wl1271 *wl, u8 *idx) |
2113 | { | |
2114 | u8 policy = find_first_zero_bit(wl->rate_policies_map, | |
2115 | WL12XX_MAX_RATE_POLICIES); | |
2116 | if (policy >= WL12XX_MAX_RATE_POLICIES) | |
2117 | return -EBUSY; | |
2118 | ||
2119 | __set_bit(policy, wl->rate_policies_map); | |
2120 | *idx = policy; | |
2121 | return 0; | |
2122 | } | |
2123 | ||
2124 | static void wl12xx_free_rate_policy(struct wl1271 *wl, u8 *idx) | |
2125 | { | |
2126 | if (WARN_ON(*idx >= WL12XX_MAX_RATE_POLICIES)) | |
2127 | return; | |
2128 | ||
2129 | __clear_bit(*idx, wl->rate_policies_map); | |
2130 | *idx = WL12XX_MAX_RATE_POLICIES; | |
2131 | } | |
2132 | ||
001e39a8 EP |
2133 | static int wlcore_allocate_klv_template(struct wl1271 *wl, u8 *idx) |
2134 | { | |
2135 | u8 policy = find_first_zero_bit(wl->klv_templates_map, | |
2136 | WLCORE_MAX_KLV_TEMPLATES); | |
2137 | if (policy >= WLCORE_MAX_KLV_TEMPLATES) | |
2138 | return -EBUSY; | |
2139 | ||
2140 | __set_bit(policy, wl->klv_templates_map); | |
2141 | *idx = policy; | |
2142 | return 0; | |
2143 | } | |
2144 | ||
2145 | static void wlcore_free_klv_template(struct wl1271 *wl, u8 *idx) | |
2146 | { | |
2147 | if (WARN_ON(*idx >= WLCORE_MAX_KLV_TEMPLATES)) | |
2148 | return; | |
2149 | ||
2150 | __clear_bit(*idx, wl->klv_templates_map); | |
2151 | *idx = WLCORE_MAX_KLV_TEMPLATES; | |
2152 | } | |
2153 | ||
536129c8 | 2154 | static u8 wl12xx_get_role_type(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
b78b47eb | 2155 | { |
536129c8 | 2156 | switch (wlvif->bss_type) { |
b78b47eb | 2157 | case BSS_TYPE_AP_BSS: |
fb0e707c | 2158 | if (wlvif->p2p) |
045c745f EP |
2159 | return WL1271_ROLE_P2P_GO; |
2160 | else | |
2161 | return WL1271_ROLE_AP; | |
b78b47eb EP |
2162 | |
2163 | case BSS_TYPE_STA_BSS: | |
fb0e707c | 2164 | if (wlvif->p2p) |
045c745f EP |
2165 | return WL1271_ROLE_P2P_CL; |
2166 | else | |
2167 | return WL1271_ROLE_STA; | |
b78b47eb | 2168 | |
227e81e1 EP |
2169 | case BSS_TYPE_IBSS: |
2170 | return WL1271_ROLE_IBSS; | |
2171 | ||
b78b47eb | 2172 | default: |
536129c8 | 2173 | wl1271_error("invalid bss_type: %d", wlvif->bss_type); |
b78b47eb EP |
2174 | } |
2175 | return WL12XX_INVALID_ROLE_TYPE; | |
2176 | } | |
2177 | ||
83587505 | 2178 | static int wl12xx_init_vif_data(struct wl1271 *wl, struct ieee80211_vif *vif) |
87fbcb0f | 2179 | { |
e936bbe0 | 2180 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
e5a359f8 | 2181 | int i; |
e936bbe0 | 2182 | |
48e93e40 EP |
2183 | /* clear everything but the persistent data */ |
2184 | memset(wlvif, 0, offsetof(struct wl12xx_vif, persistent)); | |
e936bbe0 EP |
2185 | |
2186 | switch (ieee80211_vif_type_p2p(vif)) { | |
2187 | case NL80211_IFTYPE_P2P_CLIENT: | |
2188 | wlvif->p2p = 1; | |
2189 | /* fall-through */ | |
2190 | case NL80211_IFTYPE_STATION: | |
7845af35 | 2191 | case NL80211_IFTYPE_P2P_DEVICE: |
e936bbe0 EP |
2192 | wlvif->bss_type = BSS_TYPE_STA_BSS; |
2193 | break; | |
2194 | case NL80211_IFTYPE_ADHOC: | |
2195 | wlvif->bss_type = BSS_TYPE_IBSS; | |
2196 | break; | |
2197 | case NL80211_IFTYPE_P2P_GO: | |
2198 | wlvif->p2p = 1; | |
2199 | /* fall-through */ | |
2200 | case NL80211_IFTYPE_AP: | |
2201 | wlvif->bss_type = BSS_TYPE_AP_BSS; | |
2202 | break; | |
2203 | default: | |
2204 | wlvif->bss_type = MAX_BSS_TYPE; | |
2205 | return -EOPNOTSUPP; | |
2206 | } | |
2207 | ||
0603d891 | 2208 | wlvif->role_id = WL12XX_INVALID_ROLE_ID; |
7edebf56 | 2209 | wlvif->dev_role_id = WL12XX_INVALID_ROLE_ID; |
afaf8bdb | 2210 | wlvif->dev_hlid = WL12XX_INVALID_LINK_ID; |
a8ab39a4 | 2211 | |
e936bbe0 EP |
2212 | if (wlvif->bss_type == BSS_TYPE_STA_BSS || |
2213 | wlvif->bss_type == BSS_TYPE_IBSS) { | |
2214 | /* init sta/ibss data */ | |
2215 | wlvif->sta.hlid = WL12XX_INVALID_LINK_ID; | |
e5a359f8 EP |
2216 | wl12xx_allocate_rate_policy(wl, &wlvif->sta.basic_rate_idx); |
2217 | wl12xx_allocate_rate_policy(wl, &wlvif->sta.ap_rate_idx); | |
2218 | wl12xx_allocate_rate_policy(wl, &wlvif->sta.p2p_rate_idx); | |
001e39a8 | 2219 | wlcore_allocate_klv_template(wl, &wlvif->sta.klv_template_id); |
15e05bc0 LC |
2220 | wlvif->basic_rate_set = CONF_TX_RATE_MASK_BASIC; |
2221 | wlvif->basic_rate = CONF_TX_RATE_MASK_BASIC; | |
2222 | wlvif->rate_set = CONF_TX_RATE_MASK_BASIC; | |
e936bbe0 EP |
2223 | } else { |
2224 | /* init ap data */ | |
2225 | wlvif->ap.bcast_hlid = WL12XX_INVALID_LINK_ID; | |
2226 | wlvif->ap.global_hlid = WL12XX_INVALID_LINK_ID; | |
e5a359f8 EP |
2227 | wl12xx_allocate_rate_policy(wl, &wlvif->ap.mgmt_rate_idx); |
2228 | wl12xx_allocate_rate_policy(wl, &wlvif->ap.bcast_rate_idx); | |
2229 | for (i = 0; i < CONF_TX_MAX_AC_COUNT; i++) | |
2230 | wl12xx_allocate_rate_policy(wl, | |
2231 | &wlvif->ap.ucast_rate_idx[i]); | |
42ec1f82 | 2232 | wlvif->basic_rate_set = CONF_TX_ENABLED_RATES; |
15e05bc0 LC |
2233 | /* |
2234 | * TODO: check if basic_rate shouldn't be | |
2235 | * wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); | |
2236 | * instead (the same thing for STA above). | |
2237 | */ | |
42ec1f82 | 2238 | wlvif->basic_rate = CONF_TX_ENABLED_RATES; |
15e05bc0 | 2239 | /* TODO: this seems to be used only for STA, check it */ |
42ec1f82 | 2240 | wlvif->rate_set = CONF_TX_ENABLED_RATES; |
e936bbe0 | 2241 | } |
a8ab39a4 | 2242 | |
83587505 EP |
2243 | wlvif->bitrate_masks[IEEE80211_BAND_2GHZ] = wl->conf.tx.basic_rate; |
2244 | wlvif->bitrate_masks[IEEE80211_BAND_5GHZ] = wl->conf.tx.basic_rate_5; | |
6a899796 EP |
2245 | wlvif->beacon_int = WL1271_DEFAULT_BEACON_INT; |
2246 | ||
1b92f15e EP |
2247 | /* |
2248 | * mac80211 configures some values globally, while we treat them | |
2249 | * per-interface. thus, on init, we have to copy them from wl | |
2250 | */ | |
2251 | wlvif->band = wl->band; | |
61f845f4 | 2252 | wlvif->channel = wl->channel; |
6bd65029 | 2253 | wlvif->power_level = wl->power_level; |
83d08d3f | 2254 | wlvif->channel_type = wl->channel_type; |
1b92f15e | 2255 | |
9eb599e9 EP |
2256 | INIT_WORK(&wlvif->rx_streaming_enable_work, |
2257 | wl1271_rx_streaming_enable_work); | |
2258 | INIT_WORK(&wlvif->rx_streaming_disable_work, | |
2259 | wl1271_rx_streaming_disable_work); | |
7d3b29e5 | 2260 | INIT_WORK(&wlvif->rc_update_work, wlcore_rc_update_work); |
c50a2825 EP |
2261 | INIT_DELAYED_WORK(&wlvif->channel_switch_work, |
2262 | wlcore_channel_switch_work); | |
2263 | INIT_DELAYED_WORK(&wlvif->connection_loss_work, | |
2264 | wlcore_connection_loss_work); | |
187e52cc AN |
2265 | INIT_DELAYED_WORK(&wlvif->pending_auth_complete_work, |
2266 | wlcore_pending_auth_complete_work); | |
87627214 | 2267 | INIT_LIST_HEAD(&wlvif->list); |
252efa4f | 2268 | |
9eb599e9 EP |
2269 | setup_timer(&wlvif->rx_streaming_timer, wl1271_rx_streaming_timer, |
2270 | (unsigned long) wlvif); | |
e936bbe0 | 2271 | return 0; |
87fbcb0f EP |
2272 | } |
2273 | ||
5dc283fe | 2274 | static int wl12xx_init_fw(struct wl1271 *wl) |
f5fc0f86 | 2275 | { |
9ccd9217 | 2276 | int retries = WL1271_BOOT_RETRIES; |
71125abd | 2277 | bool booted = false; |
1d095475 EP |
2278 | struct wiphy *wiphy = wl->hw->wiphy; |
2279 | int ret; | |
f5fc0f86 | 2280 | |
9ccd9217 JO |
2281 | while (retries) { |
2282 | retries--; | |
3fcdab70 | 2283 | ret = wl12xx_chip_wakeup(wl, false); |
9ccd9217 JO |
2284 | if (ret < 0) |
2285 | goto power_off; | |
f5fc0f86 | 2286 | |
dd5512eb | 2287 | ret = wl->ops->boot(wl); |
9ccd9217 JO |
2288 | if (ret < 0) |
2289 | goto power_off; | |
f5fc0f86 | 2290 | |
92c77c73 EP |
2291 | ret = wl1271_hw_init(wl); |
2292 | if (ret < 0) | |
2293 | goto irq_disable; | |
2294 | ||
71125abd EP |
2295 | booted = true; |
2296 | break; | |
eb5b28d0 | 2297 | |
9ccd9217 | 2298 | irq_disable: |
9ccd9217 JO |
2299 | mutex_unlock(&wl->mutex); |
2300 | /* Unlocking the mutex in the middle of handling is | |
2301 | inherently unsafe. In this case we deem it safe to do, | |
2302 | because we need to let any possibly pending IRQ out of | |
4cc53383 | 2303 | the system (and while we are WLCORE_STATE_OFF the IRQ |
9ccd9217 JO |
2304 | work function will not do anything.) Also, any other |
2305 | possible concurrent operations will fail due to the | |
2306 | current state, hence the wl1271 struct should be safe. */ | |
dd5512eb | 2307 | wlcore_disable_interrupts(wl); |
a620865e IY |
2308 | wl1271_flush_deferred_work(wl); |
2309 | cancel_work_sync(&wl->netstack_work); | |
9ccd9217 JO |
2310 | mutex_lock(&wl->mutex); |
2311 | power_off: | |
2312 | wl1271_power_off(wl); | |
2313 | } | |
eb5b28d0 | 2314 | |
71125abd EP |
2315 | if (!booted) { |
2316 | wl1271_error("firmware boot failed despite %d retries", | |
2317 | WL1271_BOOT_RETRIES); | |
2318 | goto out; | |
2319 | } | |
2320 | ||
4b7fac77 | 2321 | wl1271_info("firmware booted (%s)", wl->chip.fw_ver_str); |
71125abd EP |
2322 | |
2323 | /* update hw/fw version info in wiphy struct */ | |
2324 | wiphy->hw_version = wl->chip.id; | |
4b7fac77 | 2325 | strncpy(wiphy->fw_version, wl->chip.fw_ver_str, |
71125abd EP |
2326 | sizeof(wiphy->fw_version)); |
2327 | ||
fb6a6819 LC |
2328 | /* |
2329 | * Now we know if 11a is supported (info from the NVS), so disable | |
2330 | * 11a channels if not supported | |
2331 | */ | |
2332 | if (!wl->enable_11a) | |
2333 | wiphy->bands[IEEE80211_BAND_5GHZ]->n_channels = 0; | |
2334 | ||
2335 | wl1271_debug(DEBUG_MAC80211, "11a is %ssupported", | |
2336 | wl->enable_11a ? "" : "not "); | |
2337 | ||
4cc53383 | 2338 | wl->state = WLCORE_STATE_ON; |
1d095475 | 2339 | out: |
5dc283fe | 2340 | return ret; |
1d095475 EP |
2341 | } |
2342 | ||
92e712da EP |
2343 | static bool wl12xx_dev_role_started(struct wl12xx_vif *wlvif) |
2344 | { | |
2345 | return wlvif->dev_hlid != WL12XX_INVALID_LINK_ID; | |
2346 | } | |
2347 | ||
4549d09c EP |
2348 | /* |
2349 | * Check whether a fw switch (i.e. moving from one loaded | |
2350 | * fw to another) is needed. This function is also responsible | |
2351 | * for updating wl->last_vif_count, so it must be called before | |
2352 | * loading a non-plt fw (so the correct fw (single-role/multi-role) | |
2353 | * will be used). | |
2354 | */ | |
2355 | static bool wl12xx_need_fw_change(struct wl1271 *wl, | |
2356 | struct vif_counter_data vif_counter_data, | |
2357 | bool add) | |
2358 | { | |
2359 | enum wl12xx_fw_type current_fw = wl->fw_type; | |
2360 | u8 vif_count = vif_counter_data.counter; | |
2361 | ||
2362 | if (test_bit(WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, &wl->flags)) | |
2363 | return false; | |
2364 | ||
2365 | /* increase the vif count if this is a new vif */ | |
2366 | if (add && !vif_counter_data.cur_vif_running) | |
2367 | vif_count++; | |
2368 | ||
2369 | wl->last_vif_count = vif_count; | |
2370 | ||
2371 | /* no need for fw change if the device is OFF */ | |
4cc53383 | 2372 | if (wl->state == WLCORE_STATE_OFF) |
4549d09c EP |
2373 | return false; |
2374 | ||
9b1a0a77 EP |
2375 | /* no need for fw change if a single fw is used */ |
2376 | if (!wl->mr_fw_name) | |
2377 | return false; | |
2378 | ||
4549d09c EP |
2379 | if (vif_count > 1 && current_fw == WL12XX_FW_TYPE_NORMAL) |
2380 | return true; | |
2381 | if (vif_count <= 1 && current_fw == WL12XX_FW_TYPE_MULTI) | |
2382 | return true; | |
2383 | ||
2384 | return false; | |
2385 | } | |
2386 | ||
3dee4393 EP |
2387 | /* |
2388 | * Enter "forced psm". Make sure the sta is in psm against the ap, | |
2389 | * to make the fw switch a bit more disconnection-persistent. | |
2390 | */ | |
2391 | static void wl12xx_force_active_psm(struct wl1271 *wl) | |
2392 | { | |
2393 | struct wl12xx_vif *wlvif; | |
2394 | ||
2395 | wl12xx_for_each_wlvif_sta(wl, wlvif) { | |
2396 | wl1271_ps_set_mode(wl, wlvif, STATION_POWER_SAVE_MODE); | |
2397 | } | |
2398 | } | |
2399 | ||
1c33db78 AN |
2400 | struct wlcore_hw_queue_iter_data { |
2401 | unsigned long hw_queue_map[BITS_TO_LONGS(WLCORE_NUM_MAC_ADDRESSES)]; | |
2402 | /* current vif */ | |
2403 | struct ieee80211_vif *vif; | |
2404 | /* is the current vif among those iterated */ | |
2405 | bool cur_running; | |
2406 | }; | |
2407 | ||
2408 | static void wlcore_hw_queue_iter(void *data, u8 *mac, | |
2409 | struct ieee80211_vif *vif) | |
2410 | { | |
2411 | struct wlcore_hw_queue_iter_data *iter_data = data; | |
2412 | ||
7845af35 EP |
2413 | if (vif->type == NL80211_IFTYPE_P2P_DEVICE || |
2414 | WARN_ON_ONCE(vif->hw_queue[0] == IEEE80211_INVAL_HW_QUEUE)) | |
1c33db78 AN |
2415 | return; |
2416 | ||
2417 | if (iter_data->cur_running || vif == iter_data->vif) { | |
2418 | iter_data->cur_running = true; | |
2419 | return; | |
2420 | } | |
2421 | ||
2422 | __set_bit(vif->hw_queue[0] / NUM_TX_QUEUES, iter_data->hw_queue_map); | |
2423 | } | |
2424 | ||
2425 | static int wlcore_allocate_hw_queue_base(struct wl1271 *wl, | |
2426 | struct wl12xx_vif *wlvif) | |
2427 | { | |
2428 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); | |
2429 | struct wlcore_hw_queue_iter_data iter_data = {}; | |
2430 | int i, q_base; | |
2431 | ||
7845af35 EP |
2432 | if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { |
2433 | vif->cab_queue = IEEE80211_INVAL_HW_QUEUE; | |
2434 | return 0; | |
2435 | } | |
2436 | ||
1c33db78 AN |
2437 | iter_data.vif = vif; |
2438 | ||
2439 | /* mark all bits taken by active interfaces */ | |
2440 | ieee80211_iterate_active_interfaces_atomic(wl->hw, | |
2441 | IEEE80211_IFACE_ITER_RESUME_ALL, | |
2442 | wlcore_hw_queue_iter, &iter_data); | |
2443 | ||
2444 | /* the current vif is already running in mac80211 (resume/recovery) */ | |
2445 | if (iter_data.cur_running) { | |
2446 | wlvif->hw_queue_base = vif->hw_queue[0]; | |
2447 | wl1271_debug(DEBUG_MAC80211, | |
2448 | "using pre-allocated hw queue base %d", | |
2449 | wlvif->hw_queue_base); | |
2450 | ||
2451 | /* interface type might have changed type */ | |
2452 | goto adjust_cab_queue; | |
2453 | } | |
2454 | ||
2455 | q_base = find_first_zero_bit(iter_data.hw_queue_map, | |
2456 | WLCORE_NUM_MAC_ADDRESSES); | |
2457 | if (q_base >= WLCORE_NUM_MAC_ADDRESSES) | |
2458 | return -EBUSY; | |
2459 | ||
2460 | wlvif->hw_queue_base = q_base * NUM_TX_QUEUES; | |
2461 | wl1271_debug(DEBUG_MAC80211, "allocating hw queue base: %d", | |
2462 | wlvif->hw_queue_base); | |
2463 | ||
2464 | for (i = 0; i < NUM_TX_QUEUES; i++) { | |
2465 | wl->queue_stop_reasons[wlvif->hw_queue_base + i] = 0; | |
2466 | /* register hw queues in mac80211 */ | |
2467 | vif->hw_queue[i] = wlvif->hw_queue_base + i; | |
2468 | } | |
2469 | ||
2470 | adjust_cab_queue: | |
2471 | /* the last places are reserved for cab queues per interface */ | |
2472 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) | |
2473 | vif->cab_queue = NUM_TX_QUEUES * WLCORE_NUM_MAC_ADDRESSES + | |
2474 | wlvif->hw_queue_base / NUM_TX_QUEUES; | |
2475 | else | |
2476 | vif->cab_queue = IEEE80211_INVAL_HW_QUEUE; | |
2477 | ||
2478 | return 0; | |
2479 | } | |
2480 | ||
1d095475 EP |
2481 | static int wl1271_op_add_interface(struct ieee80211_hw *hw, |
2482 | struct ieee80211_vif *vif) | |
2483 | { | |
2484 | struct wl1271 *wl = hw->priv; | |
2485 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
4549d09c | 2486 | struct vif_counter_data vif_count; |
1d095475 EP |
2487 | int ret = 0; |
2488 | u8 role_type; | |
1d095475 | 2489 | |
dd491ffb YS |
2490 | if (wl->plt) { |
2491 | wl1271_error("Adding Interface not allowed while in PLT mode"); | |
2492 | return -EBUSY; | |
2493 | } | |
2494 | ||
ea086359 | 2495 | vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | |
848955cc | 2496 | IEEE80211_VIF_SUPPORTS_UAPSD | |
ea086359 | 2497 | IEEE80211_VIF_SUPPORTS_CQM_RSSI; |
c1288b12 | 2498 | |
1d095475 EP |
2499 | wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", |
2500 | ieee80211_vif_type_p2p(vif), vif->addr); | |
2501 | ||
4549d09c EP |
2502 | wl12xx_get_vif_count(hw, vif, &vif_count); |
2503 | ||
1d095475 | 2504 | mutex_lock(&wl->mutex); |
f750c820 EP |
2505 | ret = wl1271_ps_elp_wakeup(wl); |
2506 | if (ret < 0) | |
2507 | goto out_unlock; | |
2508 | ||
1d095475 EP |
2509 | /* |
2510 | * in some very corner case HW recovery scenarios its possible to | |
2511 | * get here before __wl1271_op_remove_interface is complete, so | |
2512 | * opt out if that is the case. | |
2513 | */ | |
10c8cd01 EP |
2514 | if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags) || |
2515 | test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) { | |
1d095475 EP |
2516 | ret = -EBUSY; |
2517 | goto out; | |
2518 | } | |
2519 | ||
3fcdab70 | 2520 | |
83587505 | 2521 | ret = wl12xx_init_vif_data(wl, vif); |
1d095475 EP |
2522 | if (ret < 0) |
2523 | goto out; | |
2524 | ||
2525 | wlvif->wl = wl; | |
2526 | role_type = wl12xx_get_role_type(wl, wlvif); | |
2527 | if (role_type == WL12XX_INVALID_ROLE_TYPE) { | |
2528 | ret = -EINVAL; | |
2529 | goto out; | |
2530 | } | |
2531 | ||
1c33db78 AN |
2532 | ret = wlcore_allocate_hw_queue_base(wl, wlvif); |
2533 | if (ret < 0) | |
2534 | goto out; | |
2535 | ||
4549d09c | 2536 | if (wl12xx_need_fw_change(wl, vif_count, true)) { |
3dee4393 | 2537 | wl12xx_force_active_psm(wl); |
e9ba7152 | 2538 | set_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags); |
4549d09c EP |
2539 | mutex_unlock(&wl->mutex); |
2540 | wl1271_recovery_work(&wl->recovery_work); | |
2541 | return 0; | |
2542 | } | |
2543 | ||
1d095475 EP |
2544 | /* |
2545 | * TODO: after the nvs issue will be solved, move this block | |
2546 | * to start(), and make sure here the driver is ON. | |
2547 | */ | |
4cc53383 | 2548 | if (wl->state == WLCORE_STATE_OFF) { |
1d095475 EP |
2549 | /* |
2550 | * we still need this in order to configure the fw | |
2551 | * while uploading the nvs | |
2552 | */ | |
5e037e74 | 2553 | memcpy(wl->addresses[0].addr, vif->addr, ETH_ALEN); |
1d095475 | 2554 | |
5dc283fe LC |
2555 | ret = wl12xx_init_fw(wl); |
2556 | if (ret < 0) | |
1d095475 | 2557 | goto out; |
1d095475 EP |
2558 | } |
2559 | ||
7845af35 EP |
2560 | if (!wlcore_is_p2p_mgmt(wlvif)) { |
2561 | ret = wl12xx_cmd_role_enable(wl, vif->addr, | |
2562 | role_type, &wlvif->role_id); | |
2563 | if (ret < 0) | |
2564 | goto out; | |
1d095475 | 2565 | |
7845af35 EP |
2566 | ret = wl1271_init_vif_specific(wl, vif); |
2567 | if (ret < 0) | |
2568 | goto out; | |
2569 | ||
2570 | } else { | |
2571 | ret = wl12xx_cmd_role_enable(wl, vif->addr, WL1271_ROLE_DEVICE, | |
2572 | &wlvif->dev_role_id); | |
2573 | if (ret < 0) | |
2574 | goto out; | |
2575 | ||
2576 | /* needed mainly for configuring rate policies */ | |
2577 | ret = wl1271_sta_hw_init(wl, wlvif); | |
2578 | if (ret < 0) | |
2579 | goto out; | |
2580 | } | |
1d095475 | 2581 | |
87627214 | 2582 | list_add(&wlvif->list, &wl->wlvif_list); |
10c8cd01 | 2583 | set_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags); |
a4e4130d EP |
2584 | |
2585 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) | |
2586 | wl->ap_count++; | |
2587 | else | |
2588 | wl->sta_count++; | |
eb5b28d0 | 2589 | out: |
f750c820 EP |
2590 | wl1271_ps_elp_sleep(wl); |
2591 | out_unlock: | |
f5fc0f86 LC |
2592 | mutex_unlock(&wl->mutex); |
2593 | ||
2594 | return ret; | |
2595 | } | |
2596 | ||
7dece1c8 | 2597 | static void __wl1271_op_remove_interface(struct wl1271 *wl, |
536129c8 | 2598 | struct ieee80211_vif *vif, |
7dece1c8 | 2599 | bool reset_tx_queues) |
f5fc0f86 | 2600 | { |
536129c8 | 2601 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
e5a359f8 | 2602 | int i, ret; |
2f18cf7c | 2603 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); |
f5fc0f86 | 2604 | |
1b72aecd | 2605 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); |
f5fc0f86 | 2606 | |
10c8cd01 EP |
2607 | if (!test_and_clear_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) |
2608 | return; | |
2609 | ||
13026dec | 2610 | /* because of hardware recovery, we may get here twice */ |
4cc53383 | 2611 | if (wl->state == WLCORE_STATE_OFF) |
13026dec JO |
2612 | return; |
2613 | ||
1b72aecd | 2614 | wl1271_info("down"); |
f5fc0f86 | 2615 | |
baf6277a | 2616 | if (wl->scan.state != WL1271_SCAN_STATE_IDLE && |
c50a2825 | 2617 | wl->scan_wlvif == wlvif) { |
55df5afb AN |
2618 | /* |
2619 | * Rearm the tx watchdog just before idling scan. This | |
2620 | * prevents just-finished scans from triggering the watchdog | |
2621 | */ | |
2622 | wl12xx_rearm_tx_watchdog_locked(wl); | |
2623 | ||
08688d6b | 2624 | wl->scan.state = WL1271_SCAN_STATE_IDLE; |
4a31c11c | 2625 | memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); |
c50a2825 | 2626 | wl->scan_wlvif = NULL; |
b739a42c | 2627 | wl->scan.req = NULL; |
76a029fb | 2628 | ieee80211_scan_completed(wl->hw, true); |
f5fc0f86 LC |
2629 | } |
2630 | ||
5a441f5f | 2631 | if (wl->sched_vif == wlvif) |
10199756 | 2632 | wl->sched_vif = NULL; |
10199756 | 2633 | |
5d979f35 AN |
2634 | if (wl->roc_vif == vif) { |
2635 | wl->roc_vif = NULL; | |
2636 | ieee80211_remain_on_channel_expired(wl->hw); | |
2637 | } | |
2638 | ||
b78b47eb EP |
2639 | if (!test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) { |
2640 | /* disable active roles */ | |
2641 | ret = wl1271_ps_elp_wakeup(wl); | |
2642 | if (ret < 0) | |
2643 | goto deinit; | |
2644 | ||
b890f4c3 EP |
2645 | if (wlvif->bss_type == BSS_TYPE_STA_BSS || |
2646 | wlvif->bss_type == BSS_TYPE_IBSS) { | |
2647 | if (wl12xx_dev_role_started(wlvif)) | |
2648 | wl12xx_stop_dev(wl, wlvif); | |
04e8079c EP |
2649 | } |
2650 | ||
7845af35 EP |
2651 | if (!wlcore_is_p2p_mgmt(wlvif)) { |
2652 | ret = wl12xx_cmd_role_disable(wl, &wlvif->role_id); | |
2653 | if (ret < 0) | |
2654 | goto deinit; | |
2655 | } else { | |
2656 | ret = wl12xx_cmd_role_disable(wl, &wlvif->dev_role_id); | |
2657 | if (ret < 0) | |
2658 | goto deinit; | |
2659 | } | |
b78b47eb EP |
2660 | |
2661 | wl1271_ps_elp_sleep(wl); | |
2662 | } | |
2663 | deinit: | |
5a99610c AN |
2664 | wl12xx_tx_reset_wlvif(wl, wlvif); |
2665 | ||
e51ae9be | 2666 | /* clear all hlids (except system_hlid) */ |
afaf8bdb | 2667 | wlvif->dev_hlid = WL12XX_INVALID_LINK_ID; |
e5a359f8 EP |
2668 | |
2669 | if (wlvif->bss_type == BSS_TYPE_STA_BSS || | |
2670 | wlvif->bss_type == BSS_TYPE_IBSS) { | |
2671 | wlvif->sta.hlid = WL12XX_INVALID_LINK_ID; | |
2672 | wl12xx_free_rate_policy(wl, &wlvif->sta.basic_rate_idx); | |
2673 | wl12xx_free_rate_policy(wl, &wlvif->sta.ap_rate_idx); | |
2674 | wl12xx_free_rate_policy(wl, &wlvif->sta.p2p_rate_idx); | |
001e39a8 | 2675 | wlcore_free_klv_template(wl, &wlvif->sta.klv_template_id); |
e5a359f8 EP |
2676 | } else { |
2677 | wlvif->ap.bcast_hlid = WL12XX_INVALID_LINK_ID; | |
2678 | wlvif->ap.global_hlid = WL12XX_INVALID_LINK_ID; | |
2679 | wl12xx_free_rate_policy(wl, &wlvif->ap.mgmt_rate_idx); | |
2680 | wl12xx_free_rate_policy(wl, &wlvif->ap.bcast_rate_idx); | |
2681 | for (i = 0; i < CONF_TX_MAX_AC_COUNT; i++) | |
2682 | wl12xx_free_rate_policy(wl, | |
2683 | &wlvif->ap.ucast_rate_idx[i]); | |
830be7e0 | 2684 | wl1271_free_ap_keys(wl, wlvif); |
e5a359f8 | 2685 | } |
b78b47eb | 2686 | |
3eba4a0e ES |
2687 | dev_kfree_skb(wlvif->probereq); |
2688 | wlvif->probereq = NULL; | |
e4120df9 EP |
2689 | if (wl->last_wlvif == wlvif) |
2690 | wl->last_wlvif = NULL; | |
87627214 | 2691 | list_del(&wlvif->list); |
c7ffb902 | 2692 | memset(wlvif->ap.sta_hlid_map, 0, sizeof(wlvif->ap.sta_hlid_map)); |
0603d891 | 2693 | wlvif->role_id = WL12XX_INVALID_ROLE_ID; |
7edebf56 | 2694 | wlvif->dev_role_id = WL12XX_INVALID_ROLE_ID; |
d6e19d13 | 2695 | |
2f18cf7c | 2696 | if (is_ap) |
a4e4130d EP |
2697 | wl->ap_count--; |
2698 | else | |
2699 | wl->sta_count--; | |
2700 | ||
42066f9a AN |
2701 | /* |
2702 | * Last AP, have more stations. Configure sleep auth according to STA. | |
2703 | * Don't do thin on unintended recovery. | |
2704 | */ | |
2705 | if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags) && | |
2706 | !test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags)) | |
2707 | goto unlock; | |
2708 | ||
71e996be EP |
2709 | if (wl->ap_count == 0 && is_ap) { |
2710 | /* mask ap events */ | |
2711 | wl->event_mask &= ~wl->ap_event_mask; | |
2712 | wl1271_event_unmask(wl); | |
2713 | } | |
2714 | ||
2f18cf7c AN |
2715 | if (wl->ap_count == 0 && is_ap && wl->sta_count) { |
2716 | u8 sta_auth = wl->conf.conn.sta_sleep_auth; | |
2717 | /* Configure for power according to debugfs */ | |
2718 | if (sta_auth != WL1271_PSM_ILLEGAL) | |
2719 | wl1271_acx_sleep_auth(wl, sta_auth); | |
2f18cf7c AN |
2720 | /* Configure for ELP power saving */ |
2721 | else | |
2722 | wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP); | |
2723 | } | |
2724 | ||
42066f9a | 2725 | unlock: |
baf6277a | 2726 | mutex_unlock(&wl->mutex); |
d6bf9ada | 2727 | |
9eb599e9 EP |
2728 | del_timer_sync(&wlvif->rx_streaming_timer); |
2729 | cancel_work_sync(&wlvif->rx_streaming_enable_work); | |
2730 | cancel_work_sync(&wlvif->rx_streaming_disable_work); | |
7d3b29e5 | 2731 | cancel_work_sync(&wlvif->rc_update_work); |
c50a2825 | 2732 | cancel_delayed_work_sync(&wlvif->connection_loss_work); |
c838478b | 2733 | cancel_delayed_work_sync(&wlvif->channel_switch_work); |
187e52cc | 2734 | cancel_delayed_work_sync(&wlvif->pending_auth_complete_work); |
bd9dc49c | 2735 | |
baf6277a | 2736 | mutex_lock(&wl->mutex); |
52a2a375 | 2737 | } |
bd9dc49c | 2738 | |
52a2a375 JO |
2739 | static void wl1271_op_remove_interface(struct ieee80211_hw *hw, |
2740 | struct ieee80211_vif *vif) | |
2741 | { | |
2742 | struct wl1271 *wl = hw->priv; | |
10c8cd01 | 2743 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
6e8cd331 | 2744 | struct wl12xx_vif *iter; |
4549d09c | 2745 | struct vif_counter_data vif_count; |
52a2a375 | 2746 | |
4549d09c | 2747 | wl12xx_get_vif_count(hw, vif, &vif_count); |
52a2a375 | 2748 | mutex_lock(&wl->mutex); |
10c8cd01 | 2749 | |
4cc53383 | 2750 | if (wl->state == WLCORE_STATE_OFF || |
10c8cd01 EP |
2751 | !test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) |
2752 | goto out; | |
2753 | ||
67353299 JO |
2754 | /* |
2755 | * wl->vif can be null here if someone shuts down the interface | |
2756 | * just when hardware recovery has been started. | |
2757 | */ | |
6e8cd331 EP |
2758 | wl12xx_for_each_wlvif(wl, iter) { |
2759 | if (iter != wlvif) | |
2760 | continue; | |
2761 | ||
536129c8 | 2762 | __wl1271_op_remove_interface(wl, vif, true); |
6e8cd331 | 2763 | break; |
67353299 | 2764 | } |
6e8cd331 | 2765 | WARN_ON(iter != wlvif); |
4549d09c | 2766 | if (wl12xx_need_fw_change(wl, vif_count, false)) { |
3dee4393 | 2767 | wl12xx_force_active_psm(wl); |
e9ba7152 | 2768 | set_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags); |
4549d09c | 2769 | wl12xx_queue_recovery_work(wl); |
4549d09c | 2770 | } |
10c8cd01 | 2771 | out: |
67353299 | 2772 | mutex_unlock(&wl->mutex); |
f5fc0f86 LC |
2773 | } |
2774 | ||
c0fad1b7 EP |
2775 | static int wl12xx_op_change_interface(struct ieee80211_hw *hw, |
2776 | struct ieee80211_vif *vif, | |
2777 | enum nl80211_iftype new_type, bool p2p) | |
2778 | { | |
4549d09c EP |
2779 | struct wl1271 *wl = hw->priv; |
2780 | int ret; | |
2781 | ||
2782 | set_bit(WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, &wl->flags); | |
c0fad1b7 EP |
2783 | wl1271_op_remove_interface(hw, vif); |
2784 | ||
249e9698 | 2785 | vif->type = new_type; |
c0fad1b7 | 2786 | vif->p2p = p2p; |
4549d09c EP |
2787 | ret = wl1271_op_add_interface(hw, vif); |
2788 | ||
2789 | clear_bit(WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, &wl->flags); | |
2790 | return ret; | |
c0fad1b7 EP |
2791 | } |
2792 | ||
3230f35e | 2793 | static int wlcore_join(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
82429d32 JO |
2794 | { |
2795 | int ret; | |
536129c8 | 2796 | bool is_ibss = (wlvif->bss_type == BSS_TYPE_IBSS); |
82429d32 | 2797 | |
69e5434c JO |
2798 | /* |
2799 | * One of the side effects of the JOIN command is that is clears | |
2800 | * WPA/WPA2 keys from the chipset. Performing a JOIN while associated | |
2801 | * to a WPA/WPA2 access point will therefore kill the data-path. | |
8bf69aae OBC |
2802 | * Currently the only valid scenario for JOIN during association |
2803 | * is on roaming, in which case we will also be given new keys. | |
2804 | * Keep the below message for now, unless it starts bothering | |
2805 | * users who really like to roam a lot :) | |
69e5434c | 2806 | */ |
ba8447f6 | 2807 | if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
69e5434c JO |
2808 | wl1271_info("JOIN while associated."); |
2809 | ||
5ec8a448 EP |
2810 | /* clear encryption type */ |
2811 | wlvif->encryption_type = KEY_NONE; | |
2812 | ||
227e81e1 | 2813 | if (is_ibss) |
87fbcb0f | 2814 | ret = wl12xx_cmd_role_start_ibss(wl, wlvif); |
18eab430 EP |
2815 | else { |
2816 | if (wl->quirks & WLCORE_QUIRK_START_STA_FAILS) { | |
2817 | /* | |
2818 | * TODO: this is an ugly workaround for wl12xx fw | |
2819 | * bug - we are not able to tx/rx after the first | |
2820 | * start_sta, so make dummy start+stop calls, | |
2821 | * and then call start_sta again. | |
2822 | * this should be fixed in the fw. | |
2823 | */ | |
2824 | wl12xx_cmd_role_start_sta(wl, wlvif); | |
2825 | wl12xx_cmd_role_stop_sta(wl, wlvif); | |
2826 | } | |
2827 | ||
87fbcb0f | 2828 | ret = wl12xx_cmd_role_start_sta(wl, wlvif); |
18eab430 | 2829 | } |
3230f35e EP |
2830 | |
2831 | return ret; | |
2832 | } | |
2833 | ||
2834 | static int wl1271_ssid_set(struct wl12xx_vif *wlvif, struct sk_buff *skb, | |
2835 | int offset) | |
2836 | { | |
2837 | u8 ssid_len; | |
2838 | const u8 *ptr = cfg80211_find_ie(WLAN_EID_SSID, skb->data + offset, | |
2839 | skb->len - offset); | |
2840 | ||
2841 | if (!ptr) { | |
2842 | wl1271_error("No SSID in IEs!"); | |
2843 | return -ENOENT; | |
2844 | } | |
2845 | ||
2846 | ssid_len = ptr[1]; | |
2847 | if (ssid_len > IEEE80211_MAX_SSID_LEN) { | |
2848 | wl1271_error("SSID is too long!"); | |
2849 | return -EINVAL; | |
2850 | } | |
2851 | ||
2852 | wlvif->ssid_len = ssid_len; | |
2853 | memcpy(wlvif->ssid, ptr+2, ssid_len); | |
2854 | return 0; | |
2855 | } | |
2856 | ||
2857 | static int wlcore_set_ssid(struct wl1271 *wl, struct wl12xx_vif *wlvif) | |
2858 | { | |
2859 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); | |
2860 | struct sk_buff *skb; | |
2861 | int ieoffset; | |
2862 | ||
2863 | /* we currently only support setting the ssid from the ap probe req */ | |
2864 | if (wlvif->bss_type != BSS_TYPE_STA_BSS) | |
2865 | return -EINVAL; | |
2866 | ||
2867 | skb = ieee80211_ap_probereq_get(wl->hw, vif); | |
2868 | if (!skb) | |
2869 | return -EINVAL; | |
2870 | ||
2871 | ieoffset = offsetof(struct ieee80211_mgmt, | |
2872 | u.probe_req.variable); | |
2873 | wl1271_ssid_set(wlvif, skb, ieoffset); | |
2874 | dev_kfree_skb(skb); | |
2875 | ||
2876 | return 0; | |
2877 | } | |
2878 | ||
2879 | static int wlcore_set_assoc(struct wl1271 *wl, struct wl12xx_vif *wlvif, | |
ec87011a EP |
2880 | struct ieee80211_bss_conf *bss_conf, |
2881 | u32 sta_rate_set) | |
3230f35e EP |
2882 | { |
2883 | int ieoffset; | |
2884 | int ret; | |
2885 | ||
2886 | wlvif->aid = bss_conf->aid; | |
aaabee8b | 2887 | wlvif->channel_type = cfg80211_get_chandef_type(&bss_conf->chandef); |
3230f35e | 2888 | wlvif->beacon_int = bss_conf->beacon_int; |
d50529c0 | 2889 | wlvif->wmm_enabled = bss_conf->qos; |
3230f35e EP |
2890 | |
2891 | set_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags); | |
2892 | ||
2893 | /* | |
2894 | * with wl1271, we don't need to update the | |
2895 | * beacon_int and dtim_period, because the firmware | |
2896 | * updates it by itself when the first beacon is | |
2897 | * received after a join. | |
2898 | */ | |
2899 | ret = wl1271_cmd_build_ps_poll(wl, wlvif, wlvif->aid); | |
82429d32 | 2900 | if (ret < 0) |
3230f35e | 2901 | return ret; |
82429d32 | 2902 | |
3230f35e EP |
2903 | /* |
2904 | * Get a template for hardware connection maintenance | |
2905 | */ | |
2906 | dev_kfree_skb(wlvif->probereq); | |
2907 | wlvif->probereq = wl1271_cmd_build_ap_probe_req(wl, | |
2908 | wlvif, | |
2909 | NULL); | |
2910 | ieoffset = offsetof(struct ieee80211_mgmt, | |
2911 | u.probe_req.variable); | |
2912 | wl1271_ssid_set(wlvif, wlvif->probereq, ieoffset); | |
2913 | ||
2914 | /* enable the connection monitoring feature */ | |
2915 | ret = wl1271_acx_conn_monit_params(wl, wlvif, true); | |
2916 | if (ret < 0) | |
2917 | return ret; | |
82429d32 JO |
2918 | |
2919 | /* | |
2920 | * The join command disable the keep-alive mode, shut down its process, | |
2921 | * and also clear the template config, so we need to reset it all after | |
2922 | * the join. The acx_aid starts the keep-alive process, and the order | |
2923 | * of the commands below is relevant. | |
2924 | */ | |
0603d891 | 2925 | ret = wl1271_acx_keep_alive_mode(wl, wlvif, true); |
82429d32 | 2926 | if (ret < 0) |
3230f35e | 2927 | return ret; |
82429d32 | 2928 | |
0603d891 | 2929 | ret = wl1271_acx_aid(wl, wlvif, wlvif->aid); |
82429d32 | 2930 | if (ret < 0) |
3230f35e | 2931 | return ret; |
82429d32 | 2932 | |
d2d66c56 | 2933 | ret = wl12xx_cmd_build_klv_null_data(wl, wlvif); |
82429d32 | 2934 | if (ret < 0) |
3230f35e | 2935 | return ret; |
82429d32 | 2936 | |
0603d891 | 2937 | ret = wl1271_acx_keep_alive_config(wl, wlvif, |
001e39a8 | 2938 | wlvif->sta.klv_template_id, |
82429d32 JO |
2939 | ACX_KEEP_ALIVE_TPL_VALID); |
2940 | if (ret < 0) | |
3230f35e | 2941 | return ret; |
82429d32 | 2942 | |
6c7b5194 EP |
2943 | /* |
2944 | * The default fw psm configuration is AUTO, while mac80211 default | |
2945 | * setting is off (ACTIVE), so sync the fw with the correct value. | |
2946 | */ | |
2947 | ret = wl1271_ps_set_mode(wl, wlvif, STATION_ACTIVE_MODE); | |
ec87011a EP |
2948 | if (ret < 0) |
2949 | return ret; | |
2950 | ||
2951 | if (sta_rate_set) { | |
2952 | wlvif->rate_set = | |
2953 | wl1271_tx_enabled_rates_get(wl, | |
2954 | sta_rate_set, | |
2955 | wlvif->band); | |
2956 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); | |
2957 | if (ret < 0) | |
2958 | return ret; | |
2959 | } | |
82429d32 | 2960 | |
82429d32 JO |
2961 | return ret; |
2962 | } | |
2963 | ||
3230f35e | 2964 | static int wlcore_unset_assoc(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
c7f43e45 LC |
2965 | { |
2966 | int ret; | |
3230f35e EP |
2967 | bool sta = wlvif->bss_type == BSS_TYPE_STA_BSS; |
2968 | ||
2969 | /* make sure we are connected (sta) joined */ | |
2970 | if (sta && | |
2971 | !test_and_clear_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) | |
2972 | return false; | |
2973 | ||
2974 | /* make sure we are joined (ibss) */ | |
2975 | if (!sta && | |
2976 | test_and_clear_bit(WLVIF_FLAG_IBSS_JOINED, &wlvif->flags)) | |
2977 | return false; | |
2978 | ||
2979 | if (sta) { | |
2980 | /* use defaults when not associated */ | |
2981 | wlvif->aid = 0; | |
2982 | ||
2983 | /* free probe-request template */ | |
2984 | dev_kfree_skb(wlvif->probereq); | |
2985 | wlvif->probereq = NULL; | |
2986 | ||
2987 | /* disable connection monitor features */ | |
2988 | ret = wl1271_acx_conn_monit_params(wl, wlvif, false); | |
2989 | if (ret < 0) | |
2990 | return ret; | |
2991 | ||
2992 | /* Disable the keep-alive feature */ | |
2993 | ret = wl1271_acx_keep_alive_mode(wl, wlvif, false); | |
2994 | if (ret < 0) | |
2995 | return ret; | |
d881fa2c EP |
2996 | |
2997 | /* disable beacon filtering */ | |
2998 | ret = wl1271_acx_beacon_filter_opt(wl, wlvif, false); | |
2999 | if (ret < 0) | |
3000 | return ret; | |
3230f35e | 3001 | } |
c7f43e45 | 3002 | |
52630c5d | 3003 | if (test_and_clear_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags)) { |
6e8cd331 EP |
3004 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
3005 | ||
fcab1890 | 3006 | wl12xx_cmd_stop_channel_switch(wl, wlvif); |
6e8cd331 | 3007 | ieee80211_chswitch_done(vif, false); |
c50a2825 | 3008 | cancel_delayed_work(&wlvif->channel_switch_work); |
6d158ff3 SL |
3009 | } |
3010 | ||
4137c17c EP |
3011 | /* invalidate keep-alive template */ |
3012 | wl1271_acx_keep_alive_config(wl, wlvif, | |
001e39a8 | 3013 | wlvif->sta.klv_template_id, |
4137c17c EP |
3014 | ACX_KEEP_ALIVE_TPL_INVALID); |
3015 | ||
3230f35e | 3016 | return 0; |
c7f43e45 LC |
3017 | } |
3018 | ||
87fbcb0f | 3019 | static void wl1271_set_band_rate(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
ebba60c6 | 3020 | { |
1b92f15e | 3021 | wlvif->basic_rate_set = wlvif->bitrate_masks[wlvif->band]; |
30d0c8fd | 3022 | wlvif->rate_set = wlvif->basic_rate_set; |
ebba60c6 JO |
3023 | } |
3024 | ||
b0ed8a4d AN |
3025 | static void wl1271_sta_handle_idle(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
3026 | bool idle) | |
3027 | { | |
3028 | bool cur_idle = !test_bit(WLVIF_FLAG_ACTIVE, &wlvif->flags); | |
3029 | ||
3030 | if (idle == cur_idle) | |
3031 | return; | |
3032 | ||
3033 | if (idle) { | |
3034 | clear_bit(WLVIF_FLAG_ACTIVE, &wlvif->flags); | |
3035 | } else { | |
3036 | /* The current firmware only supports sched_scan in idle */ | |
3037 | if (wl->sched_vif == wlvif) | |
3038 | wl->ops->sched_scan_stop(wl, wlvif); | |
3039 | ||
3040 | set_bit(WLVIF_FLAG_ACTIVE, &wlvif->flags); | |
3041 | } | |
3042 | } | |
3043 | ||
9f259c4e EP |
3044 | static int wl12xx_config_vif(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
3045 | struct ieee80211_conf *conf, u32 changed) | |
0d58cbff JO |
3046 | { |
3047 | int ret; | |
3048 | ||
7845af35 EP |
3049 | if (wlcore_is_p2p_mgmt(wlvif)) |
3050 | return 0; | |
3051 | ||
6bd65029 | 3052 | if (conf->power_level != wlvif->power_level) { |
0603d891 | 3053 | ret = wl1271_acx_tx_power(wl, wlvif, conf->power_level); |
0d58cbff | 3054 | if (ret < 0) |
9f259c4e | 3055 | return ret; |
33c2c06c | 3056 | |
6bd65029 | 3057 | wlvif->power_level = conf->power_level; |
0d58cbff JO |
3058 | } |
3059 | ||
9f259c4e | 3060 | return 0; |
0d58cbff JO |
3061 | } |
3062 | ||
9f259c4e | 3063 | static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) |
f5fc0f86 | 3064 | { |
9f259c4e EP |
3065 | struct wl1271 *wl = hw->priv; |
3066 | struct wl12xx_vif *wlvif; | |
3067 | struct ieee80211_conf *conf = &hw->conf; | |
b6970ee5 | 3068 | int ret = 0; |
f5fc0f86 | 3069 | |
b6970ee5 | 3070 | wl1271_debug(DEBUG_MAC80211, "mac80211 config psm %s power %d %s" |
9f259c4e | 3071 | " changed 0x%x", |
9f259c4e EP |
3072 | conf->flags & IEEE80211_CONF_PS ? "on" : "off", |
3073 | conf->power_level, | |
3074 | conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use", | |
3075 | changed); | |
3076 | ||
9f259c4e EP |
3077 | mutex_lock(&wl->mutex); |
3078 | ||
9f259c4e EP |
3079 | if (changed & IEEE80211_CONF_CHANGE_POWER) |
3080 | wl->power_level = conf->power_level; | |
3081 | ||
4cc53383 | 3082 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
9f259c4e EP |
3083 | goto out; |
3084 | ||
3085 | ret = wl1271_ps_elp_wakeup(wl); | |
3086 | if (ret < 0) | |
3087 | goto out; | |
3088 | ||
3089 | /* configure each interface */ | |
3090 | wl12xx_for_each_wlvif(wl, wlvif) { | |
3091 | ret = wl12xx_config_vif(wl, wlvif, conf, changed); | |
3092 | if (ret < 0) | |
3093 | goto out_sleep; | |
3094 | } | |
3095 | ||
f5fc0f86 LC |
3096 | out_sleep: |
3097 | wl1271_ps_elp_sleep(wl); | |
3098 | ||
3099 | out: | |
3100 | mutex_unlock(&wl->mutex); | |
3101 | ||
3102 | return ret; | |
3103 | } | |
3104 | ||
b54853f1 JO |
3105 | struct wl1271_filter_params { |
3106 | bool enabled; | |
3107 | int mc_list_length; | |
3108 | u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN]; | |
3109 | }; | |
3110 | ||
22bedad3 JP |
3111 | static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, |
3112 | struct netdev_hw_addr_list *mc_list) | |
c87dec9f | 3113 | { |
c87dec9f | 3114 | struct wl1271_filter_params *fp; |
22bedad3 | 3115 | struct netdev_hw_addr *ha; |
c87dec9f | 3116 | |
74441130 | 3117 | fp = kzalloc(sizeof(*fp), GFP_ATOMIC); |
c87dec9f JO |
3118 | if (!fp) { |
3119 | wl1271_error("Out of memory setting filters."); | |
3120 | return 0; | |
3121 | } | |
3122 | ||
3123 | /* update multicast filtering parameters */ | |
c87dec9f | 3124 | fp->mc_list_length = 0; |
22bedad3 JP |
3125 | if (netdev_hw_addr_list_count(mc_list) > ACX_MC_ADDRESS_GROUP_MAX) { |
3126 | fp->enabled = false; | |
3127 | } else { | |
3128 | fp->enabled = true; | |
3129 | netdev_hw_addr_list_for_each(ha, mc_list) { | |
c87dec9f | 3130 | memcpy(fp->mc_list[fp->mc_list_length], |
22bedad3 | 3131 | ha->addr, ETH_ALEN); |
c87dec9f | 3132 | fp->mc_list_length++; |
22bedad3 | 3133 | } |
c87dec9f JO |
3134 | } |
3135 | ||
b54853f1 | 3136 | return (u64)(unsigned long)fp; |
c87dec9f | 3137 | } |
f5fc0f86 | 3138 | |
df140465 | 3139 | #define WL1271_SUPPORTED_FILTERS (FIF_ALLMULTI | \ |
b54853f1 JO |
3140 | FIF_FCSFAIL | \ |
3141 | FIF_BCN_PRBRESP_PROMISC | \ | |
3142 | FIF_CONTROL | \ | |
3143 | FIF_OTHER_BSS) | |
3144 | ||
f5fc0f86 LC |
3145 | static void wl1271_op_configure_filter(struct ieee80211_hw *hw, |
3146 | unsigned int changed, | |
c87dec9f | 3147 | unsigned int *total, u64 multicast) |
f5fc0f86 | 3148 | { |
b54853f1 | 3149 | struct wl1271_filter_params *fp = (void *)(unsigned long)multicast; |
f5fc0f86 | 3150 | struct wl1271 *wl = hw->priv; |
6e8cd331 | 3151 | struct wl12xx_vif *wlvif; |
536129c8 | 3152 | |
b54853f1 | 3153 | int ret; |
f5fc0f86 | 3154 | |
7d057869 AN |
3155 | wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter changed %x" |
3156 | " total %x", changed, *total); | |
f5fc0f86 | 3157 | |
b54853f1 JO |
3158 | mutex_lock(&wl->mutex); |
3159 | ||
2c10bb9c SD |
3160 | *total &= WL1271_SUPPORTED_FILTERS; |
3161 | changed &= WL1271_SUPPORTED_FILTERS; | |
3162 | ||
4cc53383 | 3163 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
b54853f1 JO |
3164 | goto out; |
3165 | ||
a620865e | 3166 | ret = wl1271_ps_elp_wakeup(wl); |
b54853f1 JO |
3167 | if (ret < 0) |
3168 | goto out; | |
3169 | ||
6e8cd331 | 3170 | wl12xx_for_each_wlvif(wl, wlvif) { |
7845af35 EP |
3171 | if (wlcore_is_p2p_mgmt(wlvif)) |
3172 | continue; | |
3173 | ||
6e8cd331 EP |
3174 | if (wlvif->bss_type != BSS_TYPE_AP_BSS) { |
3175 | if (*total & FIF_ALLMULTI) | |
3176 | ret = wl1271_acx_group_address_tbl(wl, wlvif, | |
3177 | false, | |
3178 | NULL, 0); | |
3179 | else if (fp) | |
3180 | ret = wl1271_acx_group_address_tbl(wl, wlvif, | |
3181 | fp->enabled, | |
3182 | fp->mc_list, | |
3183 | fp->mc_list_length); | |
3184 | if (ret < 0) | |
3185 | goto out_sleep; | |
3186 | } | |
7d057869 | 3187 | } |
f5fc0f86 | 3188 | |
08c1d1c7 EP |
3189 | /* |
3190 | * the fw doesn't provide an api to configure the filters. instead, | |
3191 | * the filters configuration is based on the active roles / ROC | |
3192 | * state. | |
3193 | */ | |
b54853f1 JO |
3194 | |
3195 | out_sleep: | |
3196 | wl1271_ps_elp_sleep(wl); | |
3197 | ||
3198 | out: | |
3199 | mutex_unlock(&wl->mutex); | |
14b228a0 | 3200 | kfree(fp); |
f5fc0f86 LC |
3201 | } |
3202 | ||
170d0e67 EP |
3203 | static int wl1271_record_ap_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
3204 | u8 id, u8 key_type, u8 key_size, | |
3205 | const u8 *key, u8 hlid, u32 tx_seq_32, | |
3206 | u16 tx_seq_16) | |
7f179b46 AN |
3207 | { |
3208 | struct wl1271_ap_key *ap_key; | |
3209 | int i; | |
3210 | ||
3211 | wl1271_debug(DEBUG_CRYPT, "record ap key id %d", (int)id); | |
3212 | ||
3213 | if (key_size > MAX_KEY_SIZE) | |
3214 | return -EINVAL; | |
3215 | ||
3216 | /* | |
3217 | * Find next free entry in ap_keys. Also check we are not replacing | |
3218 | * an existing key. | |
3219 | */ | |
3220 | for (i = 0; i < MAX_NUM_KEYS; i++) { | |
170d0e67 | 3221 | if (wlvif->ap.recorded_keys[i] == NULL) |
7f179b46 AN |
3222 | break; |
3223 | ||
170d0e67 | 3224 | if (wlvif->ap.recorded_keys[i]->id == id) { |
7f179b46 AN |
3225 | wl1271_warning("trying to record key replacement"); |
3226 | return -EINVAL; | |
3227 | } | |
3228 | } | |
3229 | ||
3230 | if (i == MAX_NUM_KEYS) | |
3231 | return -EBUSY; | |
3232 | ||
3233 | ap_key = kzalloc(sizeof(*ap_key), GFP_KERNEL); | |
3234 | if (!ap_key) | |
3235 | return -ENOMEM; | |
3236 | ||
3237 | ap_key->id = id; | |
3238 | ap_key->key_type = key_type; | |
3239 | ap_key->key_size = key_size; | |
3240 | memcpy(ap_key->key, key, key_size); | |
3241 | ap_key->hlid = hlid; | |
3242 | ap_key->tx_seq_32 = tx_seq_32; | |
3243 | ap_key->tx_seq_16 = tx_seq_16; | |
3244 | ||
170d0e67 | 3245 | wlvif->ap.recorded_keys[i] = ap_key; |
7f179b46 AN |
3246 | return 0; |
3247 | } | |
3248 | ||
170d0e67 | 3249 | static void wl1271_free_ap_keys(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
7f179b46 AN |
3250 | { |
3251 | int i; | |
3252 | ||
3253 | for (i = 0; i < MAX_NUM_KEYS; i++) { | |
170d0e67 EP |
3254 | kfree(wlvif->ap.recorded_keys[i]); |
3255 | wlvif->ap.recorded_keys[i] = NULL; | |
7f179b46 AN |
3256 | } |
3257 | } | |
3258 | ||
a8ab39a4 | 3259 | static int wl1271_ap_init_hwenc(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
7f179b46 AN |
3260 | { |
3261 | int i, ret = 0; | |
3262 | struct wl1271_ap_key *key; | |
3263 | bool wep_key_added = false; | |
3264 | ||
3265 | for (i = 0; i < MAX_NUM_KEYS; i++) { | |
7f97b487 | 3266 | u8 hlid; |
170d0e67 | 3267 | if (wlvif->ap.recorded_keys[i] == NULL) |
7f179b46 AN |
3268 | break; |
3269 | ||
170d0e67 | 3270 | key = wlvif->ap.recorded_keys[i]; |
7f97b487 EP |
3271 | hlid = key->hlid; |
3272 | if (hlid == WL12XX_INVALID_LINK_ID) | |
a8ab39a4 | 3273 | hlid = wlvif->ap.bcast_hlid; |
7f97b487 | 3274 | |
a8ab39a4 | 3275 | ret = wl1271_cmd_set_ap_key(wl, wlvif, KEY_ADD_OR_REPLACE, |
7f179b46 AN |
3276 | key->id, key->key_type, |
3277 | key->key_size, key->key, | |
7f97b487 | 3278 | hlid, key->tx_seq_32, |
7f179b46 AN |
3279 | key->tx_seq_16); |
3280 | if (ret < 0) | |
3281 | goto out; | |
3282 | ||
3283 | if (key->key_type == KEY_WEP) | |
3284 | wep_key_added = true; | |
3285 | } | |
3286 | ||
3287 | if (wep_key_added) { | |
f75c753f | 3288 | ret = wl12xx_cmd_set_default_wep_key(wl, wlvif->default_key, |
a8ab39a4 | 3289 | wlvif->ap.bcast_hlid); |
7f179b46 AN |
3290 | if (ret < 0) |
3291 | goto out; | |
3292 | } | |
3293 | ||
3294 | out: | |
170d0e67 | 3295 | wl1271_free_ap_keys(wl, wlvif); |
7f179b46 AN |
3296 | return ret; |
3297 | } | |
3298 | ||
536129c8 EP |
3299 | static int wl1271_set_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
3300 | u16 action, u8 id, u8 key_type, | |
7f179b46 AN |
3301 | u8 key_size, const u8 *key, u32 tx_seq_32, |
3302 | u16 tx_seq_16, struct ieee80211_sta *sta) | |
3303 | { | |
3304 | int ret; | |
536129c8 | 3305 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); |
7f179b46 AN |
3306 | |
3307 | if (is_ap) { | |
3308 | struct wl1271_station *wl_sta; | |
3309 | u8 hlid; | |
3310 | ||
3311 | if (sta) { | |
3312 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
3313 | hlid = wl_sta->hlid; | |
3314 | } else { | |
a8ab39a4 | 3315 | hlid = wlvif->ap.bcast_hlid; |
7f179b46 AN |
3316 | } |
3317 | ||
53d40d0b | 3318 | if (!test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) { |
7f179b46 AN |
3319 | /* |
3320 | * We do not support removing keys after AP shutdown. | |
3321 | * Pretend we do to make mac80211 happy. | |
3322 | */ | |
3323 | if (action != KEY_ADD_OR_REPLACE) | |
3324 | return 0; | |
3325 | ||
170d0e67 | 3326 | ret = wl1271_record_ap_key(wl, wlvif, id, |
7f179b46 AN |
3327 | key_type, key_size, |
3328 | key, hlid, tx_seq_32, | |
3329 | tx_seq_16); | |
3330 | } else { | |
a8ab39a4 | 3331 | ret = wl1271_cmd_set_ap_key(wl, wlvif, action, |
7f179b46 AN |
3332 | id, key_type, key_size, |
3333 | key, hlid, tx_seq_32, | |
3334 | tx_seq_16); | |
3335 | } | |
3336 | ||
3337 | if (ret < 0) | |
3338 | return ret; | |
3339 | } else { | |
3340 | const u8 *addr; | |
3341 | static const u8 bcast_addr[ETH_ALEN] = { | |
3342 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff | |
3343 | }; | |
3344 | ||
3345 | addr = sta ? sta->addr : bcast_addr; | |
3346 | ||
3347 | if (is_zero_ether_addr(addr)) { | |
3348 | /* We dont support TX only encryption */ | |
3349 | return -EOPNOTSUPP; | |
3350 | } | |
3351 | ||
3352 | /* The wl1271 does not allow to remove unicast keys - they | |
3353 | will be cleared automatically on next CMD_JOIN. Ignore the | |
3354 | request silently, as we dont want the mac80211 to emit | |
3355 | an error message. */ | |
3356 | if (action == KEY_REMOVE && !is_broadcast_ether_addr(addr)) | |
3357 | return 0; | |
3358 | ||
010d3d30 EP |
3359 | /* don't remove key if hlid was already deleted */ |
3360 | if (action == KEY_REMOVE && | |
154da67c | 3361 | wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) |
010d3d30 EP |
3362 | return 0; |
3363 | ||
a8ab39a4 | 3364 | ret = wl1271_cmd_set_sta_key(wl, wlvif, action, |
7f179b46 AN |
3365 | id, key_type, key_size, |
3366 | key, addr, tx_seq_32, | |
3367 | tx_seq_16); | |
3368 | if (ret < 0) | |
3369 | return ret; | |
3370 | ||
7f179b46 AN |
3371 | } |
3372 | ||
3373 | return 0; | |
3374 | } | |
3375 | ||
a1c597f2 | 3376 | static int wlcore_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
f5fc0f86 LC |
3377 | struct ieee80211_vif *vif, |
3378 | struct ieee80211_sta *sta, | |
3379 | struct ieee80211_key_conf *key_conf) | |
3380 | { | |
3381 | struct wl1271 *wl = hw->priv; | |
af390f4d EP |
3382 | int ret; |
3383 | bool might_change_spare = | |
3384 | key_conf->cipher == WL1271_CIPHER_SUITE_GEM || | |
3385 | key_conf->cipher == WLAN_CIPHER_SUITE_TKIP; | |
3386 | ||
3387 | if (might_change_spare) { | |
3388 | /* | |
3389 | * stop the queues and flush to ensure the next packets are | |
3390 | * in sync with FW spare block accounting | |
3391 | */ | |
af390f4d | 3392 | wlcore_stop_queues(wl, WLCORE_QUEUE_STOP_REASON_SPARE_BLK); |
af390f4d EP |
3393 | wl1271_tx_flush(wl); |
3394 | } | |
3395 | ||
3396 | mutex_lock(&wl->mutex); | |
3397 | ||
3398 | if (unlikely(wl->state != WLCORE_STATE_ON)) { | |
3399 | ret = -EAGAIN; | |
3400 | goto out_wake_queues; | |
3401 | } | |
a1c597f2 | 3402 | |
af390f4d EP |
3403 | ret = wl1271_ps_elp_wakeup(wl); |
3404 | if (ret < 0) | |
3405 | goto out_wake_queues; | |
3406 | ||
3407 | ret = wlcore_hw_set_key(wl, cmd, vif, sta, key_conf); | |
3408 | ||
3409 | wl1271_ps_elp_sleep(wl); | |
3410 | ||
3411 | out_wake_queues: | |
3412 | if (might_change_spare) | |
3413 | wlcore_wake_queues(wl, WLCORE_QUEUE_STOP_REASON_SPARE_BLK); | |
3414 | ||
3415 | mutex_unlock(&wl->mutex); | |
3416 | ||
3417 | return ret; | |
a1c597f2 AN |
3418 | } |
3419 | ||
3420 | int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd, | |
3421 | struct ieee80211_vif *vif, | |
3422 | struct ieee80211_sta *sta, | |
3423 | struct ieee80211_key_conf *key_conf) | |
3424 | { | |
536129c8 | 3425 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
f5fc0f86 | 3426 | int ret; |
ac4e4ce5 JO |
3427 | u32 tx_seq_32 = 0; |
3428 | u16 tx_seq_16 = 0; | |
f5fc0f86 | 3429 | u8 key_type; |
93d5d100 | 3430 | u8 hlid; |
f5fc0f86 | 3431 | |
f5fc0f86 LC |
3432 | wl1271_debug(DEBUG_MAC80211, "mac80211 set key"); |
3433 | ||
7f179b46 | 3434 | wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x sta: %p", cmd, sta); |
f5fc0f86 | 3435 | wl1271_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", |
97359d12 | 3436 | key_conf->cipher, key_conf->keyidx, |
f5fc0f86 LC |
3437 | key_conf->keylen, key_conf->flags); |
3438 | wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen); | |
3439 | ||
93d5d100 AN |
3440 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) |
3441 | if (sta) { | |
3442 | struct wl1271_station *wl_sta = (void *)sta->drv_priv; | |
3443 | hlid = wl_sta->hlid; | |
3444 | } else { | |
3445 | hlid = wlvif->ap.bcast_hlid; | |
3446 | } | |
3447 | else | |
3448 | hlid = wlvif->sta.hlid; | |
3449 | ||
3450 | if (hlid != WL12XX_INVALID_LINK_ID) { | |
3451 | u64 tx_seq = wl->links[hlid].total_freed_pkts; | |
3452 | tx_seq_32 = WL1271_TX_SECURITY_HI32(tx_seq); | |
3453 | tx_seq_16 = WL1271_TX_SECURITY_LO16(tx_seq); | |
3454 | } | |
3455 | ||
97359d12 JB |
3456 | switch (key_conf->cipher) { |
3457 | case WLAN_CIPHER_SUITE_WEP40: | |
3458 | case WLAN_CIPHER_SUITE_WEP104: | |
f5fc0f86 LC |
3459 | key_type = KEY_WEP; |
3460 | ||
3461 | key_conf->hw_key_idx = key_conf->keyidx; | |
3462 | break; | |
97359d12 | 3463 | case WLAN_CIPHER_SUITE_TKIP: |
f5fc0f86 | 3464 | key_type = KEY_TKIP; |
f5fc0f86 LC |
3465 | key_conf->hw_key_idx = key_conf->keyidx; |
3466 | break; | |
97359d12 | 3467 | case WLAN_CIPHER_SUITE_CCMP: |
f5fc0f86 | 3468 | key_type = KEY_AES; |
12d4b975 | 3469 | key_conf->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; |
f5fc0f86 | 3470 | break; |
7a55724e JO |
3471 | case WL1271_CIPHER_SUITE_GEM: |
3472 | key_type = KEY_GEM; | |
7a55724e | 3473 | break; |
f5fc0f86 | 3474 | default: |
97359d12 | 3475 | wl1271_error("Unknown key algo 0x%x", key_conf->cipher); |
f5fc0f86 | 3476 | |
af390f4d | 3477 | return -EOPNOTSUPP; |
f5fc0f86 LC |
3478 | } |
3479 | ||
3480 | switch (cmd) { | |
3481 | case SET_KEY: | |
536129c8 | 3482 | ret = wl1271_set_key(wl, wlvif, KEY_ADD_OR_REPLACE, |
7f179b46 AN |
3483 | key_conf->keyidx, key_type, |
3484 | key_conf->keylen, key_conf->key, | |
3485 | tx_seq_32, tx_seq_16, sta); | |
f5fc0f86 LC |
3486 | if (ret < 0) { |
3487 | wl1271_error("Could not add or replace key"); | |
af390f4d | 3488 | return ret; |
f5fc0f86 | 3489 | } |
5ec8a448 EP |
3490 | |
3491 | /* | |
3492 | * reconfiguring arp response if the unicast (or common) | |
3493 | * encryption key type was changed | |
3494 | */ | |
3495 | if (wlvif->bss_type == BSS_TYPE_STA_BSS && | |
3496 | (sta || key_type == KEY_WEP) && | |
3497 | wlvif->encryption_type != key_type) { | |
3498 | wlvif->encryption_type = key_type; | |
3499 | ret = wl1271_cmd_build_arp_rsp(wl, wlvif); | |
3500 | if (ret < 0) { | |
3501 | wl1271_warning("build arp rsp failed: %d", ret); | |
af390f4d | 3502 | return ret; |
5ec8a448 EP |
3503 | } |
3504 | } | |
f5fc0f86 LC |
3505 | break; |
3506 | ||
3507 | case DISABLE_KEY: | |
536129c8 | 3508 | ret = wl1271_set_key(wl, wlvif, KEY_REMOVE, |
7f179b46 AN |
3509 | key_conf->keyidx, key_type, |
3510 | key_conf->keylen, key_conf->key, | |
3511 | 0, 0, sta); | |
f5fc0f86 LC |
3512 | if (ret < 0) { |
3513 | wl1271_error("Could not remove key"); | |
af390f4d | 3514 | return ret; |
f5fc0f86 LC |
3515 | } |
3516 | break; | |
3517 | ||
3518 | default: | |
3519 | wl1271_error("Unsupported key cmd 0x%x", cmd); | |
af390f4d | 3520 | return -EOPNOTSUPP; |
f5fc0f86 LC |
3521 | } |
3522 | ||
f5fc0f86 LC |
3523 | return ret; |
3524 | } | |
a1c597f2 | 3525 | EXPORT_SYMBOL_GPL(wlcore_set_key); |
f5fc0f86 | 3526 | |
ba1e6eb9 YD |
3527 | static void wl1271_op_set_default_key_idx(struct ieee80211_hw *hw, |
3528 | struct ieee80211_vif *vif, | |
3529 | int key_idx) | |
3530 | { | |
3531 | struct wl1271 *wl = hw->priv; | |
3532 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
3533 | int ret; | |
3534 | ||
3535 | wl1271_debug(DEBUG_MAC80211, "mac80211 set default key idx %d", | |
3536 | key_idx); | |
3537 | ||
bf4e5f1a EP |
3538 | /* we don't handle unsetting of default key */ |
3539 | if (key_idx == -1) | |
3540 | return; | |
3541 | ||
ba1e6eb9 YD |
3542 | mutex_lock(&wl->mutex); |
3543 | ||
3544 | if (unlikely(wl->state != WLCORE_STATE_ON)) { | |
3545 | ret = -EAGAIN; | |
3546 | goto out_unlock; | |
3547 | } | |
3548 | ||
3549 | ret = wl1271_ps_elp_wakeup(wl); | |
3550 | if (ret < 0) | |
3551 | goto out_unlock; | |
3552 | ||
3553 | wlvif->default_key = key_idx; | |
3554 | ||
3555 | /* the default WEP key needs to be configured at least once */ | |
3556 | if (wlvif->encryption_type == KEY_WEP) { | |
3557 | ret = wl12xx_cmd_set_default_wep_key(wl, | |
3558 | key_idx, | |
3559 | wlvif->sta.hlid); | |
3560 | if (ret < 0) | |
3561 | goto out_sleep; | |
3562 | } | |
3563 | ||
3564 | out_sleep: | |
3565 | wl1271_ps_elp_sleep(wl); | |
3566 | ||
3567 | out_unlock: | |
3568 | mutex_unlock(&wl->mutex); | |
3569 | } | |
3570 | ||
6b70e7eb VG |
3571 | void wlcore_regdomain_config(struct wl1271 *wl) |
3572 | { | |
3573 | int ret; | |
3574 | ||
3575 | if (!(wl->quirks & WLCORE_QUIRK_REGDOMAIN_CONF)) | |
3576 | return; | |
3577 | ||
3578 | mutex_lock(&wl->mutex); | |
75592be5 AN |
3579 | |
3580 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
3581 | goto out; | |
3582 | ||
6b70e7eb VG |
3583 | ret = wl1271_ps_elp_wakeup(wl); |
3584 | if (ret < 0) | |
3585 | goto out; | |
3586 | ||
3587 | ret = wlcore_cmd_regdomain_config_locked(wl); | |
3588 | if (ret < 0) { | |
3589 | wl12xx_queue_recovery_work(wl); | |
3590 | goto out; | |
3591 | } | |
3592 | ||
3593 | wl1271_ps_elp_sleep(wl); | |
3594 | out: | |
3595 | mutex_unlock(&wl->mutex); | |
3596 | } | |
3597 | ||
f5fc0f86 | 3598 | static int wl1271_op_hw_scan(struct ieee80211_hw *hw, |
a060bbfe | 3599 | struct ieee80211_vif *vif, |
c56ef672 | 3600 | struct ieee80211_scan_request *hw_req) |
f5fc0f86 | 3601 | { |
c56ef672 | 3602 | struct cfg80211_scan_request *req = &hw_req->req; |
f5fc0f86 LC |
3603 | struct wl1271 *wl = hw->priv; |
3604 | int ret; | |
3605 | u8 *ssid = NULL; | |
abb0b3bf | 3606 | size_t len = 0; |
f5fc0f86 LC |
3607 | |
3608 | wl1271_debug(DEBUG_MAC80211, "mac80211 hw scan"); | |
3609 | ||
3610 | if (req->n_ssids) { | |
3611 | ssid = req->ssids[0].ssid; | |
abb0b3bf | 3612 | len = req->ssids[0].ssid_len; |
f5fc0f86 LC |
3613 | } |
3614 | ||
3615 | mutex_lock(&wl->mutex); | |
3616 | ||
4cc53383 | 3617 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
b739a42c JO |
3618 | /* |
3619 | * We cannot return -EBUSY here because cfg80211 will expect | |
3620 | * a call to ieee80211_scan_completed if we do - in this case | |
3621 | * there won't be any call. | |
3622 | */ | |
3623 | ret = -EAGAIN; | |
3624 | goto out; | |
3625 | } | |
3626 | ||
a620865e | 3627 | ret = wl1271_ps_elp_wakeup(wl); |
f5fc0f86 LC |
3628 | if (ret < 0) |
3629 | goto out; | |
3630 | ||
97fd311a EP |
3631 | /* fail if there is any role in ROC */ |
3632 | if (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) < WL12XX_MAX_ROLES) { | |
92e712da EP |
3633 | /* don't allow scanning right now */ |
3634 | ret = -EBUSY; | |
3635 | goto out_sleep; | |
3636 | } | |
3637 | ||
78e28062 | 3638 | ret = wlcore_scan(hw->priv, vif, ssid, len, req); |
251c177f | 3639 | out_sleep: |
f5fc0f86 | 3640 | wl1271_ps_elp_sleep(wl); |
f5fc0f86 LC |
3641 | out: |
3642 | mutex_unlock(&wl->mutex); | |
3643 | ||
3644 | return ret; | |
3645 | } | |
3646 | ||
73ecce31 EP |
3647 | static void wl1271_op_cancel_hw_scan(struct ieee80211_hw *hw, |
3648 | struct ieee80211_vif *vif) | |
3649 | { | |
3650 | struct wl1271 *wl = hw->priv; | |
78e28062 | 3651 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
73ecce31 EP |
3652 | int ret; |
3653 | ||
3654 | wl1271_debug(DEBUG_MAC80211, "mac80211 cancel hw scan"); | |
3655 | ||
3656 | mutex_lock(&wl->mutex); | |
3657 | ||
4cc53383 | 3658 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
73ecce31 EP |
3659 | goto out; |
3660 | ||
3661 | if (wl->scan.state == WL1271_SCAN_STATE_IDLE) | |
3662 | goto out; | |
3663 | ||
3664 | ret = wl1271_ps_elp_wakeup(wl); | |
3665 | if (ret < 0) | |
3666 | goto out; | |
3667 | ||
3668 | if (wl->scan.state != WL1271_SCAN_STATE_DONE) { | |
78e28062 | 3669 | ret = wl->ops->scan_stop(wl, wlvif); |
73ecce31 EP |
3670 | if (ret < 0) |
3671 | goto out_sleep; | |
3672 | } | |
55df5afb AN |
3673 | |
3674 | /* | |
3675 | * Rearm the tx watchdog just before idling scan. This | |
3676 | * prevents just-finished scans from triggering the watchdog | |
3677 | */ | |
3678 | wl12xx_rearm_tx_watchdog_locked(wl); | |
3679 | ||
73ecce31 EP |
3680 | wl->scan.state = WL1271_SCAN_STATE_IDLE; |
3681 | memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); | |
c50a2825 | 3682 | wl->scan_wlvif = NULL; |
73ecce31 EP |
3683 | wl->scan.req = NULL; |
3684 | ieee80211_scan_completed(wl->hw, true); | |
3685 | ||
3686 | out_sleep: | |
3687 | wl1271_ps_elp_sleep(wl); | |
3688 | out: | |
3689 | mutex_unlock(&wl->mutex); | |
3690 | ||
3691 | cancel_delayed_work_sync(&wl->scan_complete_work); | |
3692 | } | |
3693 | ||
33c2c06c LC |
3694 | static int wl1271_op_sched_scan_start(struct ieee80211_hw *hw, |
3695 | struct ieee80211_vif *vif, | |
3696 | struct cfg80211_sched_scan_request *req, | |
633e2713 | 3697 | struct ieee80211_scan_ies *ies) |
33c2c06c LC |
3698 | { |
3699 | struct wl1271 *wl = hw->priv; | |
536129c8 | 3700 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
33c2c06c LC |
3701 | int ret; |
3702 | ||
3703 | wl1271_debug(DEBUG_MAC80211, "wl1271_op_sched_scan_start"); | |
3704 | ||
3705 | mutex_lock(&wl->mutex); | |
3706 | ||
4cc53383 | 3707 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
9e0dc890 PF |
3708 | ret = -EAGAIN; |
3709 | goto out; | |
3710 | } | |
3711 | ||
33c2c06c LC |
3712 | ret = wl1271_ps_elp_wakeup(wl); |
3713 | if (ret < 0) | |
3714 | goto out; | |
3715 | ||
78e28062 | 3716 | ret = wl->ops->sched_scan_start(wl, wlvif, req, ies); |
33c2c06c LC |
3717 | if (ret < 0) |
3718 | goto out_sleep; | |
3719 | ||
10199756 | 3720 | wl->sched_vif = wlvif; |
33c2c06c LC |
3721 | |
3722 | out_sleep: | |
3723 | wl1271_ps_elp_sleep(wl); | |
3724 | out: | |
3725 | mutex_unlock(&wl->mutex); | |
3726 | return ret; | |
3727 | } | |
3728 | ||
37e3308c JB |
3729 | static int wl1271_op_sched_scan_stop(struct ieee80211_hw *hw, |
3730 | struct ieee80211_vif *vif) | |
33c2c06c LC |
3731 | { |
3732 | struct wl1271 *wl = hw->priv; | |
78f85f50 | 3733 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
33c2c06c LC |
3734 | int ret; |
3735 | ||
3736 | wl1271_debug(DEBUG_MAC80211, "wl1271_op_sched_scan_stop"); | |
3737 | ||
3738 | mutex_lock(&wl->mutex); | |
3739 | ||
4cc53383 | 3740 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
9e0dc890 PF |
3741 | goto out; |
3742 | ||
33c2c06c LC |
3743 | ret = wl1271_ps_elp_wakeup(wl); |
3744 | if (ret < 0) | |
3745 | goto out; | |
3746 | ||
78e28062 | 3747 | wl->ops->sched_scan_stop(wl, wlvif); |
33c2c06c LC |
3748 | |
3749 | wl1271_ps_elp_sleep(wl); | |
3750 | out: | |
3751 | mutex_unlock(&wl->mutex); | |
37e3308c JB |
3752 | |
3753 | return 0; | |
33c2c06c LC |
3754 | } |
3755 | ||
68d069c4 AN |
3756 | static int wl1271_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value) |
3757 | { | |
3758 | struct wl1271 *wl = hw->priv; | |
3759 | int ret = 0; | |
3760 | ||
3761 | mutex_lock(&wl->mutex); | |
3762 | ||
4cc53383 | 3763 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
68d069c4 AN |
3764 | ret = -EAGAIN; |
3765 | goto out; | |
3766 | } | |
3767 | ||
a620865e | 3768 | ret = wl1271_ps_elp_wakeup(wl); |
68d069c4 AN |
3769 | if (ret < 0) |
3770 | goto out; | |
3771 | ||
5f704d18 | 3772 | ret = wl1271_acx_frag_threshold(wl, value); |
68d069c4 AN |
3773 | if (ret < 0) |
3774 | wl1271_warning("wl1271_op_set_frag_threshold failed: %d", ret); | |
3775 | ||
3776 | wl1271_ps_elp_sleep(wl); | |
3777 | ||
3778 | out: | |
3779 | mutex_unlock(&wl->mutex); | |
3780 | ||
3781 | return ret; | |
3782 | } | |
3783 | ||
f5fc0f86 LC |
3784 | static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) |
3785 | { | |
3786 | struct wl1271 *wl = hw->priv; | |
6e8cd331 | 3787 | struct wl12xx_vif *wlvif; |
aecb0565 | 3788 | int ret = 0; |
f5fc0f86 LC |
3789 | |
3790 | mutex_lock(&wl->mutex); | |
3791 | ||
4cc53383 | 3792 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
f8d9802f | 3793 | ret = -EAGAIN; |
aecb0565 | 3794 | goto out; |
f8d9802f | 3795 | } |
aecb0565 | 3796 | |
a620865e | 3797 | ret = wl1271_ps_elp_wakeup(wl); |
f5fc0f86 LC |
3798 | if (ret < 0) |
3799 | goto out; | |
3800 | ||
6e8cd331 EP |
3801 | wl12xx_for_each_wlvif(wl, wlvif) { |
3802 | ret = wl1271_acx_rts_threshold(wl, wlvif, value); | |
3803 | if (ret < 0) | |
3804 | wl1271_warning("set rts threshold failed: %d", ret); | |
3805 | } | |
f5fc0f86 LC |
3806 | wl1271_ps_elp_sleep(wl); |
3807 | ||
3808 | out: | |
3809 | mutex_unlock(&wl->mutex); | |
3810 | ||
3811 | return ret; | |
3812 | } | |
3813 | ||
d48055d9 EP |
3814 | static void wl12xx_remove_ie(struct sk_buff *skb, u8 eid, int ieoffset) |
3815 | { | |
3816 | int len; | |
3817 | const u8 *next, *end = skb->data + skb->len; | |
3818 | u8 *ie = (u8 *)cfg80211_find_ie(eid, skb->data + ieoffset, | |
3819 | skb->len - ieoffset); | |
3820 | if (!ie) | |
3821 | return; | |
3822 | len = ie[1] + 2; | |
3823 | next = ie + len; | |
3824 | memmove(ie, next, end - next); | |
3825 | skb_trim(skb, skb->len - len); | |
3826 | } | |
3827 | ||
26b4bf2e EP |
3828 | static void wl12xx_remove_vendor_ie(struct sk_buff *skb, |
3829 | unsigned int oui, u8 oui_type, | |
3830 | int ieoffset) | |
3831 | { | |
3832 | int len; | |
3833 | const u8 *next, *end = skb->data + skb->len; | |
3834 | u8 *ie = (u8 *)cfg80211_find_vendor_ie(oui, oui_type, | |
3835 | skb->data + ieoffset, | |
3836 | skb->len - ieoffset); | |
3837 | if (!ie) | |
3838 | return; | |
3839 | len = ie[1] + 2; | |
3840 | next = ie + len; | |
3841 | memmove(ie, next, end - next); | |
3842 | skb_trim(skb, skb->len - len); | |
3843 | } | |
3844 | ||
341f2c11 AN |
3845 | static int wl1271_ap_set_probe_resp_tmpl(struct wl1271 *wl, u32 rates, |
3846 | struct ieee80211_vif *vif) | |
560f0024 | 3847 | { |
cdaac628 | 3848 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
560f0024 AN |
3849 | struct sk_buff *skb; |
3850 | int ret; | |
3851 | ||
341f2c11 | 3852 | skb = ieee80211_proberesp_get(wl->hw, vif); |
560f0024 | 3853 | if (!skb) |
341f2c11 | 3854 | return -EOPNOTSUPP; |
560f0024 | 3855 | |
cdaac628 | 3856 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, |
560f0024 AN |
3857 | CMD_TEMPL_AP_PROBE_RESPONSE, |
3858 | skb->data, | |
3859 | skb->len, 0, | |
3860 | rates); | |
560f0024 | 3861 | dev_kfree_skb(skb); |
62c2e579 LC |
3862 | |
3863 | if (ret < 0) | |
3864 | goto out; | |
3865 | ||
3866 | wl1271_debug(DEBUG_AP, "probe response updated"); | |
3867 | set_bit(WLVIF_FLAG_AP_PROBE_RESP_SET, &wlvif->flags); | |
3868 | ||
3869 | out: | |
560f0024 AN |
3870 | return ret; |
3871 | } | |
3872 | ||
3873 | static int wl1271_ap_set_probe_resp_tmpl_legacy(struct wl1271 *wl, | |
3874 | struct ieee80211_vif *vif, | |
3875 | u8 *probe_rsp_data, | |
3876 | size_t probe_rsp_len, | |
3877 | u32 rates) | |
68eaaf6e | 3878 | { |
1fe9f161 EP |
3879 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
3880 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
68eaaf6e AN |
3881 | u8 probe_rsp_templ[WL1271_CMD_TEMPL_MAX_SIZE]; |
3882 | int ssid_ie_offset, ie_offset, templ_len; | |
3883 | const u8 *ptr; | |
3884 | ||
3885 | /* no need to change probe response if the SSID is set correctly */ | |
1fe9f161 | 3886 | if (wlvif->ssid_len > 0) |
cdaac628 | 3887 | return wl1271_cmd_template_set(wl, wlvif->role_id, |
68eaaf6e AN |
3888 | CMD_TEMPL_AP_PROBE_RESPONSE, |
3889 | probe_rsp_data, | |
3890 | probe_rsp_len, 0, | |
3891 | rates); | |
3892 | ||
3893 | if (probe_rsp_len + bss_conf->ssid_len > WL1271_CMD_TEMPL_MAX_SIZE) { | |
3894 | wl1271_error("probe_rsp template too big"); | |
3895 | return -EINVAL; | |
3896 | } | |
3897 | ||
3898 | /* start searching from IE offset */ | |
3899 | ie_offset = offsetof(struct ieee80211_mgmt, u.probe_resp.variable); | |
3900 | ||
3901 | ptr = cfg80211_find_ie(WLAN_EID_SSID, probe_rsp_data + ie_offset, | |
3902 | probe_rsp_len - ie_offset); | |
3903 | if (!ptr) { | |
3904 | wl1271_error("No SSID in beacon!"); | |
3905 | return -EINVAL; | |
3906 | } | |
3907 | ||
3908 | ssid_ie_offset = ptr - probe_rsp_data; | |
3909 | ptr += (ptr[1] + 2); | |
3910 | ||
3911 | memcpy(probe_rsp_templ, probe_rsp_data, ssid_ie_offset); | |
3912 | ||
3913 | /* insert SSID from bss_conf */ | |
3914 | probe_rsp_templ[ssid_ie_offset] = WLAN_EID_SSID; | |
3915 | probe_rsp_templ[ssid_ie_offset + 1] = bss_conf->ssid_len; | |
3916 | memcpy(probe_rsp_templ + ssid_ie_offset + 2, | |
3917 | bss_conf->ssid, bss_conf->ssid_len); | |
3918 | templ_len = ssid_ie_offset + 2 + bss_conf->ssid_len; | |
3919 | ||
3920 | memcpy(probe_rsp_templ + ssid_ie_offset + 2 + bss_conf->ssid_len, | |
3921 | ptr, probe_rsp_len - (ptr - probe_rsp_data)); | |
3922 | templ_len += probe_rsp_len - (ptr - probe_rsp_data); | |
3923 | ||
cdaac628 | 3924 | return wl1271_cmd_template_set(wl, wlvif->role_id, |
68eaaf6e AN |
3925 | CMD_TEMPL_AP_PROBE_RESPONSE, |
3926 | probe_rsp_templ, | |
3927 | templ_len, 0, | |
3928 | rates); | |
3929 | } | |
3930 | ||
e78a287a | 3931 | static int wl1271_bss_erp_info_changed(struct wl1271 *wl, |
0603d891 | 3932 | struct ieee80211_vif *vif, |
f5fc0f86 LC |
3933 | struct ieee80211_bss_conf *bss_conf, |
3934 | u32 changed) | |
3935 | { | |
0603d891 | 3936 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
e78a287a | 3937 | int ret = 0; |
f5fc0f86 | 3938 | |
e78a287a AN |
3939 | if (changed & BSS_CHANGED_ERP_SLOT) { |
3940 | if (bss_conf->use_short_slot) | |
0603d891 | 3941 | ret = wl1271_acx_slot(wl, wlvif, SLOT_TIME_SHORT); |
e78a287a | 3942 | else |
0603d891 | 3943 | ret = wl1271_acx_slot(wl, wlvif, SLOT_TIME_LONG); |
e78a287a AN |
3944 | if (ret < 0) { |
3945 | wl1271_warning("Set slot time failed %d", ret); | |
3946 | goto out; | |
3947 | } | |
3948 | } | |
f5fc0f86 | 3949 | |
e78a287a AN |
3950 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { |
3951 | if (bss_conf->use_short_preamble) | |
0603d891 | 3952 | wl1271_acx_set_preamble(wl, wlvif, ACX_PREAMBLE_SHORT); |
e78a287a | 3953 | else |
0603d891 | 3954 | wl1271_acx_set_preamble(wl, wlvif, ACX_PREAMBLE_LONG); |
e78a287a | 3955 | } |
f5fc0f86 | 3956 | |
e78a287a AN |
3957 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { |
3958 | if (bss_conf->use_cts_prot) | |
0603d891 EP |
3959 | ret = wl1271_acx_cts_protect(wl, wlvif, |
3960 | CTSPROTECT_ENABLE); | |
e78a287a | 3961 | else |
0603d891 EP |
3962 | ret = wl1271_acx_cts_protect(wl, wlvif, |
3963 | CTSPROTECT_DISABLE); | |
e78a287a AN |
3964 | if (ret < 0) { |
3965 | wl1271_warning("Set ctsprotect failed %d", ret); | |
3966 | goto out; | |
3967 | } | |
3968 | } | |
f8d9802f | 3969 | |
e78a287a AN |
3970 | out: |
3971 | return ret; | |
3972 | } | |
f5fc0f86 | 3973 | |
62c2e579 LC |
3974 | static int wlcore_set_beacon_template(struct wl1271 *wl, |
3975 | struct ieee80211_vif *vif, | |
3976 | bool is_ap) | |
3977 | { | |
3978 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
3979 | struct ieee80211_hdr *hdr; | |
3980 | u32 min_rate; | |
3981 | int ret; | |
8f6ac537 | 3982 | int ieoffset = offsetof(struct ieee80211_mgmt, u.beacon.variable); |
62c2e579 LC |
3983 | struct sk_buff *beacon = ieee80211_beacon_get(wl->hw, vif); |
3984 | u16 tmpl_id; | |
3985 | ||
3986 | if (!beacon) { | |
3987 | ret = -EINVAL; | |
3988 | goto out; | |
3989 | } | |
3990 | ||
3991 | wl1271_debug(DEBUG_MASTER, "beacon updated"); | |
3992 | ||
3230f35e | 3993 | ret = wl1271_ssid_set(wlvif, beacon, ieoffset); |
62c2e579 LC |
3994 | if (ret < 0) { |
3995 | dev_kfree_skb(beacon); | |
3996 | goto out; | |
3997 | } | |
3998 | min_rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); | |
3999 | tmpl_id = is_ap ? CMD_TEMPL_AP_BEACON : | |
4000 | CMD_TEMPL_BEACON; | |
4001 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, tmpl_id, | |
4002 | beacon->data, | |
4003 | beacon->len, 0, | |
4004 | min_rate); | |
4005 | if (ret < 0) { | |
4006 | dev_kfree_skb(beacon); | |
4007 | goto out; | |
4008 | } | |
4009 | ||
d50529c0 EP |
4010 | wlvif->wmm_enabled = |
4011 | cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, | |
4012 | WLAN_OUI_TYPE_MICROSOFT_WMM, | |
4013 | beacon->data + ieoffset, | |
4014 | beacon->len - ieoffset); | |
4015 | ||
62c2e579 LC |
4016 | /* |
4017 | * In case we already have a probe-resp beacon set explicitly | |
4018 | * by usermode, don't use the beacon data. | |
4019 | */ | |
4020 | if (test_bit(WLVIF_FLAG_AP_PROBE_RESP_SET, &wlvif->flags)) | |
4021 | goto end_bcn; | |
4022 | ||
4023 | /* remove TIM ie from probe response */ | |
4024 | wl12xx_remove_ie(beacon, WLAN_EID_TIM, ieoffset); | |
4025 | ||
4026 | /* | |
4027 | * remove p2p ie from probe response. | |
4028 | * the fw reponds to probe requests that don't include | |
4029 | * the p2p ie. probe requests with p2p ie will be passed, | |
4030 | * and will be responded by the supplicant (the spec | |
4031 | * forbids including the p2p ie when responding to probe | |
4032 | * requests that didn't include it). | |
4033 | */ | |
4034 | wl12xx_remove_vendor_ie(beacon, WLAN_OUI_WFA, | |
4035 | WLAN_OUI_TYPE_WFA_P2P, ieoffset); | |
4036 | ||
4037 | hdr = (struct ieee80211_hdr *) beacon->data; | |
4038 | hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | | |
4039 | IEEE80211_STYPE_PROBE_RESP); | |
4040 | if (is_ap) | |
4041 | ret = wl1271_ap_set_probe_resp_tmpl_legacy(wl, vif, | |
4042 | beacon->data, | |
4043 | beacon->len, | |
4044 | min_rate); | |
4045 | else | |
4046 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, | |
4047 | CMD_TEMPL_PROBE_RESPONSE, | |
4048 | beacon->data, | |
4049 | beacon->len, 0, | |
4050 | min_rate); | |
4051 | end_bcn: | |
4052 | dev_kfree_skb(beacon); | |
4053 | if (ret < 0) | |
4054 | goto out; | |
4055 | ||
4056 | out: | |
4057 | return ret; | |
4058 | } | |
4059 | ||
e78a287a AN |
4060 | static int wl1271_bss_beacon_info_changed(struct wl1271 *wl, |
4061 | struct ieee80211_vif *vif, | |
4062 | struct ieee80211_bss_conf *bss_conf, | |
4063 | u32 changed) | |
4064 | { | |
87fbcb0f | 4065 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
536129c8 | 4066 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); |
e78a287a AN |
4067 | int ret = 0; |
4068 | ||
48af2eb0 | 4069 | if (changed & BSS_CHANGED_BEACON_INT) { |
e78a287a | 4070 | wl1271_debug(DEBUG_MASTER, "beacon interval updated: %d", |
60e84c2e JO |
4071 | bss_conf->beacon_int); |
4072 | ||
6a899796 | 4073 | wlvif->beacon_int = bss_conf->beacon_int; |
60e84c2e JO |
4074 | } |
4075 | ||
560f0024 AN |
4076 | if ((changed & BSS_CHANGED_AP_PROBE_RESP) && is_ap) { |
4077 | u32 rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); | |
62c2e579 LC |
4078 | |
4079 | wl1271_ap_set_probe_resp_tmpl(wl, rate, vif); | |
560f0024 AN |
4080 | } |
4081 | ||
48af2eb0 | 4082 | if (changed & BSS_CHANGED_BEACON) { |
62c2e579 | 4083 | ret = wlcore_set_beacon_template(wl, vif, is_ap); |
e78a287a AN |
4084 | if (ret < 0) |
4085 | goto out; | |
e78a287a | 4086 | |
830513ab EP |
4087 | if (test_and_clear_bit(WLVIF_FLAG_BEACON_DISABLED, |
4088 | &wlvif->flags)) { | |
4089 | ret = wlcore_hw_dfs_master_restart(wl, wlvif); | |
4090 | if (ret < 0) | |
4091 | goto out; | |
4092 | } | |
4093 | } | |
e78a287a | 4094 | out: |
560f0024 AN |
4095 | if (ret != 0) |
4096 | wl1271_error("beacon info change failed: %d", ret); | |
e78a287a AN |
4097 | return ret; |
4098 | } | |
4099 | ||
4100 | /* AP mode changes */ | |
4101 | static void wl1271_bss_info_changed_ap(struct wl1271 *wl, | |
4102 | struct ieee80211_vif *vif, | |
4103 | struct ieee80211_bss_conf *bss_conf, | |
4104 | u32 changed) | |
4105 | { | |
87fbcb0f | 4106 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
e78a287a | 4107 | int ret = 0; |
e0d8bbf0 | 4108 | |
b6970ee5 | 4109 | if (changed & BSS_CHANGED_BASIC_RATES) { |
e78a287a | 4110 | u32 rates = bss_conf->basic_rates; |
5da11dcd | 4111 | |
87fbcb0f | 4112 | wlvif->basic_rate_set = wl1271_tx_enabled_rates_get(wl, rates, |
1b92f15e | 4113 | wlvif->band); |
d2d66c56 | 4114 | wlvif->basic_rate = wl1271_tx_min_rate_get(wl, |
87fbcb0f | 4115 | wlvif->basic_rate_set); |
70f47424 | 4116 | |
87fbcb0f | 4117 | ret = wl1271_init_ap_rates(wl, wlvif); |
e78a287a | 4118 | if (ret < 0) { |
70f47424 | 4119 | wl1271_error("AP rate policy change failed %d", ret); |
e78a287a AN |
4120 | goto out; |
4121 | } | |
c45a85b5 | 4122 | |
784f694d | 4123 | ret = wl1271_ap_init_templates(wl, vif); |
c45a85b5 AN |
4124 | if (ret < 0) |
4125 | goto out; | |
62c2e579 LC |
4126 | |
4127 | ret = wl1271_ap_set_probe_resp_tmpl(wl, wlvif->basic_rate, vif); | |
4128 | if (ret < 0) | |
4129 | goto out; | |
4130 | ||
4131 | ret = wlcore_set_beacon_template(wl, vif, true); | |
4132 | if (ret < 0) | |
4133 | goto out; | |
e78a287a | 4134 | } |
2f6724b2 | 4135 | |
e78a287a AN |
4136 | ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, changed); |
4137 | if (ret < 0) | |
4138 | goto out; | |
30240fc7 | 4139 | |
48af2eb0 | 4140 | if (changed & BSS_CHANGED_BEACON_ENABLED) { |
e78a287a | 4141 | if (bss_conf->enable_beacon) { |
53d40d0b | 4142 | if (!test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) { |
87fbcb0f | 4143 | ret = wl12xx_cmd_role_start_ap(wl, wlvif); |
e78a287a AN |
4144 | if (ret < 0) |
4145 | goto out; | |
e0d8bbf0 | 4146 | |
a8ab39a4 | 4147 | ret = wl1271_ap_init_hwenc(wl, wlvif); |
7f179b46 AN |
4148 | if (ret < 0) |
4149 | goto out; | |
cf42039f | 4150 | |
53d40d0b | 4151 | set_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags); |
cf42039f | 4152 | wl1271_debug(DEBUG_AP, "started AP"); |
e0d8bbf0 | 4153 | } |
e78a287a | 4154 | } else { |
53d40d0b | 4155 | if (test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) { |
187e52cc AN |
4156 | /* |
4157 | * AP might be in ROC in case we have just | |
4158 | * sent auth reply. handle it. | |
4159 | */ | |
4160 | if (test_bit(wlvif->role_id, wl->roc_map)) | |
4161 | wl12xx_croc(wl, wlvif->role_id); | |
4162 | ||
0603d891 | 4163 | ret = wl12xx_cmd_role_stop_ap(wl, wlvif); |
e78a287a AN |
4164 | if (ret < 0) |
4165 | goto out; | |
e0d8bbf0 | 4166 | |
53d40d0b | 4167 | clear_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags); |
560f0024 AN |
4168 | clear_bit(WLVIF_FLAG_AP_PROBE_RESP_SET, |
4169 | &wlvif->flags); | |
e78a287a AN |
4170 | wl1271_debug(DEBUG_AP, "stopped AP"); |
4171 | } | |
4172 | } | |
4173 | } | |
e0d8bbf0 | 4174 | |
0603d891 | 4175 | ret = wl1271_bss_erp_info_changed(wl, vif, bss_conf, changed); |
e78a287a AN |
4176 | if (ret < 0) |
4177 | goto out; | |
0b932ab9 AN |
4178 | |
4179 | /* Handle HT information change */ | |
4180 | if ((changed & BSS_CHANGED_HT) && | |
4bf88530 | 4181 | (bss_conf->chandef.width != NL80211_CHAN_WIDTH_20_NOHT)) { |
0603d891 | 4182 | ret = wl1271_acx_set_ht_information(wl, wlvif, |
0b932ab9 AN |
4183 | bss_conf->ht_operation_mode); |
4184 | if (ret < 0) { | |
4185 | wl1271_warning("Set ht information failed %d", ret); | |
4186 | goto out; | |
4187 | } | |
4188 | } | |
4189 | ||
e78a287a AN |
4190 | out: |
4191 | return; | |
4192 | } | |
8bf29b0e | 4193 | |
3230f35e EP |
4194 | static int wlcore_set_bssid(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
4195 | struct ieee80211_bss_conf *bss_conf, | |
4196 | u32 sta_rate_set) | |
4197 | { | |
4198 | u32 rates; | |
4199 | int ret; | |
4200 | ||
4201 | wl1271_debug(DEBUG_MAC80211, | |
4202 | "changed_bssid: %pM, aid: %d, bcn_int: %d, brates: 0x%x sta_rate_set: 0x%x", | |
4203 | bss_conf->bssid, bss_conf->aid, | |
4204 | bss_conf->beacon_int, | |
4205 | bss_conf->basic_rates, sta_rate_set); | |
4206 | ||
4207 | wlvif->beacon_int = bss_conf->beacon_int; | |
4208 | rates = bss_conf->basic_rates; | |
4209 | wlvif->basic_rate_set = | |
4210 | wl1271_tx_enabled_rates_get(wl, rates, | |
4211 | wlvif->band); | |
4212 | wlvif->basic_rate = | |
4213 | wl1271_tx_min_rate_get(wl, | |
4214 | wlvif->basic_rate_set); | |
4215 | ||
4216 | if (sta_rate_set) | |
4217 | wlvif->rate_set = | |
4218 | wl1271_tx_enabled_rates_get(wl, | |
4219 | sta_rate_set, | |
4220 | wlvif->band); | |
4221 | ||
4222 | /* we only support sched_scan while not connected */ | |
10199756 | 4223 | if (wl->sched_vif == wlvif) |
78e28062 | 4224 | wl->ops->sched_scan_stop(wl, wlvif); |
3230f35e EP |
4225 | |
4226 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); | |
4227 | if (ret < 0) | |
4228 | return ret; | |
4229 | ||
4230 | ret = wl12xx_cmd_build_null_data(wl, wlvif); | |
4231 | if (ret < 0) | |
4232 | return ret; | |
4233 | ||
4234 | ret = wl1271_build_qos_null_data(wl, wl12xx_wlvif_to_vif(wlvif)); | |
4235 | if (ret < 0) | |
4236 | return ret; | |
4237 | ||
4238 | wlcore_set_ssid(wl, wlvif); | |
4239 | ||
4240 | set_bit(WLVIF_FLAG_IN_USE, &wlvif->flags); | |
4241 | ||
4242 | return 0; | |
4243 | } | |
4244 | ||
4245 | static int wlcore_clear_bssid(struct wl1271 *wl, struct wl12xx_vif *wlvif) | |
4246 | { | |
4247 | int ret; | |
4248 | ||
4249 | /* revert back to minimum rates for the current band */ | |
4250 | wl1271_set_band_rate(wl, wlvif); | |
4251 | wlvif->basic_rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); | |
4252 | ||
4253 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); | |
4254 | if (ret < 0) | |
4255 | return ret; | |
4256 | ||
4257 | if (wlvif->bss_type == BSS_TYPE_STA_BSS && | |
4258 | test_bit(WLVIF_FLAG_IN_USE, &wlvif->flags)) { | |
4259 | ret = wl12xx_cmd_role_stop_sta(wl, wlvif); | |
4260 | if (ret < 0) | |
4261 | return ret; | |
4262 | } | |
4263 | ||
4264 | clear_bit(WLVIF_FLAG_IN_USE, &wlvif->flags); | |
4265 | return 0; | |
4266 | } | |
e78a287a AN |
4267 | /* STA/IBSS mode changes */ |
4268 | static void wl1271_bss_info_changed_sta(struct wl1271 *wl, | |
4269 | struct ieee80211_vif *vif, | |
4270 | struct ieee80211_bss_conf *bss_conf, | |
4271 | u32 changed) | |
4272 | { | |
87fbcb0f | 4273 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
3230f35e | 4274 | bool do_join = false; |
536129c8 | 4275 | bool is_ibss = (wlvif->bss_type == BSS_TYPE_IBSS); |
227e81e1 | 4276 | bool ibss_joined = false; |
72c2d9e5 | 4277 | u32 sta_rate_set = 0; |
e78a287a | 4278 | int ret; |
2d6e4e76 | 4279 | struct ieee80211_sta *sta; |
a100885d AN |
4280 | bool sta_exists = false; |
4281 | struct ieee80211_sta_ht_cap sta_ht_cap; | |
e78a287a AN |
4282 | |
4283 | if (is_ibss) { | |
4284 | ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, | |
4285 | changed); | |
4286 | if (ret < 0) | |
4287 | goto out; | |
e0d8bbf0 JO |
4288 | } |
4289 | ||
227e81e1 EP |
4290 | if (changed & BSS_CHANGED_IBSS) { |
4291 | if (bss_conf->ibss_joined) { | |
eee514e3 | 4292 | set_bit(WLVIF_FLAG_IBSS_JOINED, &wlvif->flags); |
227e81e1 EP |
4293 | ibss_joined = true; |
4294 | } else { | |
3230f35e EP |
4295 | wlcore_unset_assoc(wl, wlvif); |
4296 | wl12xx_cmd_role_stop_sta(wl, wlvif); | |
227e81e1 EP |
4297 | } |
4298 | } | |
4299 | ||
4300 | if ((changed & BSS_CHANGED_BEACON_INT) && ibss_joined) | |
e78a287a AN |
4301 | do_join = true; |
4302 | ||
4303 | /* Need to update the SSID (for filtering etc) */ | |
227e81e1 | 4304 | if ((changed & BSS_CHANGED_BEACON) && ibss_joined) |
e78a287a AN |
4305 | do_join = true; |
4306 | ||
227e81e1 | 4307 | if ((changed & BSS_CHANGED_BEACON_ENABLED) && ibss_joined) { |
5da11dcd JO |
4308 | wl1271_debug(DEBUG_ADHOC, "ad-hoc beaconing: %s", |
4309 | bss_conf->enable_beacon ? "enabled" : "disabled"); | |
4310 | ||
5da11dcd JO |
4311 | do_join = true; |
4312 | } | |
4313 | ||
b0ed8a4d AN |
4314 | if (changed & BSS_CHANGED_IDLE && !is_ibss) |
4315 | wl1271_sta_handle_idle(wl, wlvif, bss_conf->idle); | |
4316 | ||
48af2eb0 | 4317 | if (changed & BSS_CHANGED_CQM) { |
00236aed JO |
4318 | bool enable = false; |
4319 | if (bss_conf->cqm_rssi_thold) | |
4320 | enable = true; | |
0603d891 | 4321 | ret = wl1271_acx_rssi_snr_trigger(wl, wlvif, enable, |
00236aed JO |
4322 | bss_conf->cqm_rssi_thold, |
4323 | bss_conf->cqm_rssi_hyst); | |
4324 | if (ret < 0) | |
4325 | goto out; | |
04324d99 | 4326 | wlvif->rssi_thold = bss_conf->cqm_rssi_thold; |
00236aed JO |
4327 | } |
4328 | ||
ec87011a EP |
4329 | if (changed & (BSS_CHANGED_BSSID | BSS_CHANGED_HT | |
4330 | BSS_CHANGED_ASSOC)) { | |
0f9c8250 AN |
4331 | rcu_read_lock(); |
4332 | sta = ieee80211_find_sta(vif, bss_conf->bssid); | |
ef08d028 LC |
4333 | if (sta) { |
4334 | u8 *rx_mask = sta->ht_cap.mcs.rx_mask; | |
4335 | ||
4336 | /* save the supp_rates of the ap */ | |
4337 | sta_rate_set = sta->supp_rates[wlvif->band]; | |
4338 | if (sta->ht_cap.ht_supported) | |
4339 | sta_rate_set |= | |
4340 | (rx_mask[0] << HW_HT_RATES_OFFSET) | | |
4341 | (rx_mask[1] << HW_MIMO_RATES_OFFSET); | |
4342 | sta_ht_cap = sta->ht_cap; | |
4343 | sta_exists = true; | |
4344 | } | |
4345 | ||
0f9c8250 | 4346 | rcu_read_unlock(); |
72c2d9e5 | 4347 | } |
72c2d9e5 | 4348 | |
3230f35e EP |
4349 | if (changed & BSS_CHANGED_BSSID) { |
4350 | if (!is_zero_ether_addr(bss_conf->bssid)) { | |
4351 | ret = wlcore_set_bssid(wl, wlvif, bss_conf, | |
4352 | sta_rate_set); | |
f5fc0f86 | 4353 | if (ret < 0) |
e78a287a | 4354 | goto out; |
f5fc0f86 | 4355 | |
3230f35e EP |
4356 | /* Need to update the BSSID (for filtering etc) */ |
4357 | do_join = true; | |
d94cd297 | 4358 | } else { |
3230f35e | 4359 | ret = wlcore_clear_bssid(wl, wlvif); |
6ccbb92e | 4360 | if (ret < 0) |
e78a287a | 4361 | goto out; |
f5fc0f86 | 4362 | } |
f5fc0f86 LC |
4363 | } |
4364 | ||
d192d268 EP |
4365 | if (changed & BSS_CHANGED_IBSS) { |
4366 | wl1271_debug(DEBUG_ADHOC, "ibss_joined: %d", | |
4367 | bss_conf->ibss_joined); | |
4368 | ||
4369 | if (bss_conf->ibss_joined) { | |
4370 | u32 rates = bss_conf->basic_rates; | |
87fbcb0f | 4371 | wlvif->basic_rate_set = |
af7fbb28 | 4372 | wl1271_tx_enabled_rates_get(wl, rates, |
1b92f15e | 4373 | wlvif->band); |
d2d66c56 | 4374 | wlvif->basic_rate = |
87fbcb0f EP |
4375 | wl1271_tx_min_rate_get(wl, |
4376 | wlvif->basic_rate_set); | |
d192d268 | 4377 | |
06b660e1 | 4378 | /* by default, use 11b + OFDM rates */ |
30d0c8fd EP |
4379 | wlvif->rate_set = CONF_TX_IBSS_DEFAULT_RATES; |
4380 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); | |
d192d268 EP |
4381 | if (ret < 0) |
4382 | goto out; | |
4383 | } | |
4384 | } | |
4385 | ||
d881fa2c EP |
4386 | if ((changed & BSS_CHANGED_BEACON_INFO) && bss_conf->dtim_period) { |
4387 | /* enable beacon filtering */ | |
4388 | ret = wl1271_acx_beacon_filter_opt(wl, wlvif, true); | |
4389 | if (ret < 0) | |
4390 | goto out; | |
4391 | } | |
4392 | ||
0603d891 | 4393 | ret = wl1271_bss_erp_info_changed(wl, vif, bss_conf, changed); |
e78a287a AN |
4394 | if (ret < 0) |
4395 | goto out; | |
f5fc0f86 | 4396 | |
8bf29b0e | 4397 | if (do_join) { |
3230f35e | 4398 | ret = wlcore_join(wl, wlvif); |
8bf29b0e JO |
4399 | if (ret < 0) { |
4400 | wl1271_warning("cmd join failed %d", ret); | |
e78a287a | 4401 | goto out; |
8bf29b0e | 4402 | } |
3230f35e | 4403 | } |
251c177f | 4404 | |
3230f35e EP |
4405 | if (changed & BSS_CHANGED_ASSOC) { |
4406 | if (bss_conf->assoc) { | |
ec87011a EP |
4407 | ret = wlcore_set_assoc(wl, wlvif, bss_conf, |
4408 | sta_rate_set); | |
251c177f EP |
4409 | if (ret < 0) |
4410 | goto out; | |
4411 | ||
9fd6f21b EP |
4412 | if (test_bit(WLVIF_FLAG_STA_AUTHORIZED, &wlvif->flags)) |
4413 | wl12xx_set_authorized(wl, wlvif); | |
3230f35e EP |
4414 | } else { |
4415 | wlcore_unset_assoc(wl, wlvif); | |
251c177f | 4416 | } |
c1899554 JO |
4417 | } |
4418 | ||
518b680a EP |
4419 | if (changed & BSS_CHANGED_PS) { |
4420 | if ((bss_conf->ps) && | |
4421 | test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) && | |
4422 | !test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags)) { | |
4423 | int ps_mode; | |
4424 | char *ps_mode_str; | |
4425 | ||
4426 | if (wl->conf.conn.forced_ps) { | |
4427 | ps_mode = STATION_POWER_SAVE_MODE; | |
4428 | ps_mode_str = "forced"; | |
4429 | } else { | |
4430 | ps_mode = STATION_AUTO_PS_MODE; | |
4431 | ps_mode_str = "auto"; | |
4432 | } | |
4433 | ||
4434 | wl1271_debug(DEBUG_PSM, "%s ps enabled", ps_mode_str); | |
4435 | ||
4436 | ret = wl1271_ps_set_mode(wl, wlvif, ps_mode); | |
251c177f | 4437 | if (ret < 0) |
518b680a EP |
4438 | wl1271_warning("enter %s ps failed %d", |
4439 | ps_mode_str, ret); | |
4440 | } else if (!bss_conf->ps && | |
4441 | test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags)) { | |
4442 | wl1271_debug(DEBUG_PSM, "auto ps disabled"); | |
4443 | ||
4444 | ret = wl1271_ps_set_mode(wl, wlvif, | |
4445 | STATION_ACTIVE_MODE); | |
4446 | if (ret < 0) | |
4447 | wl1271_warning("exit auto ps failed %d", ret); | |
251c177f | 4448 | } |
c1899554 JO |
4449 | } |
4450 | ||
0b932ab9 | 4451 | /* Handle new association with HT. Do this after join. */ |
6f0b1bb2 | 4452 | if (sta_exists) { |
58321b29 | 4453 | bool enabled = |
aaabee8b | 4454 | bss_conf->chandef.width != NL80211_CHAN_WIDTH_20_NOHT; |
58321b29 | 4455 | |
530abe19 EP |
4456 | ret = wlcore_hw_set_peer_cap(wl, |
4457 | &sta_ht_cap, | |
4458 | enabled, | |
4459 | wlvif->rate_set, | |
4460 | wlvif->sta.hlid); | |
58321b29 EP |
4461 | if (ret < 0) { |
4462 | wl1271_warning("Set ht cap failed %d", ret); | |
4463 | goto out; | |
4464 | ||
0f9c8250 | 4465 | } |
58321b29 EP |
4466 | |
4467 | if (enabled) { | |
4468 | ret = wl1271_acx_set_ht_information(wl, wlvif, | |
4469 | bss_conf->ht_operation_mode); | |
0f9c8250 | 4470 | if (ret < 0) { |
58321b29 | 4471 | wl1271_warning("Set ht information failed %d", |
0f9c8250 AN |
4472 | ret); |
4473 | goto out; | |
4474 | } | |
4475 | } | |
4476 | } | |
4477 | ||
76a74c8a EP |
4478 | /* Handle arp filtering. Done after join. */ |
4479 | if ((changed & BSS_CHANGED_ARP_FILTER) || | |
4480 | (!is_ibss && (changed & BSS_CHANGED_QOS))) { | |
4481 | __be32 addr = bss_conf->arp_addr_list[0]; | |
4482 | wlvif->sta.qos = bss_conf->qos; | |
4483 | WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS); | |
4484 | ||
0f19b41e | 4485 | if (bss_conf->arp_addr_cnt == 1 && bss_conf->assoc) { |
76a74c8a EP |
4486 | wlvif->ip_addr = addr; |
4487 | /* | |
4488 | * The template should have been configured only upon | |
4489 | * association. however, it seems that the correct ip | |
4490 | * isn't being set (when sending), so we have to | |
4491 | * reconfigure the template upon every ip change. | |
4492 | */ | |
4493 | ret = wl1271_cmd_build_arp_rsp(wl, wlvif); | |
4494 | if (ret < 0) { | |
4495 | wl1271_warning("build arp rsp failed: %d", ret); | |
4496 | goto out; | |
4497 | } | |
4498 | ||
4499 | ret = wl1271_acx_arp_ip_filter(wl, wlvif, | |
4500 | (ACX_ARP_FILTER_ARP_FILTERING | | |
4501 | ACX_ARP_FILTER_AUTO_ARP), | |
4502 | addr); | |
4503 | } else { | |
4504 | wlvif->ip_addr = 0; | |
4505 | ret = wl1271_acx_arp_ip_filter(wl, wlvif, 0, addr); | |
4506 | } | |
4507 | ||
4508 | if (ret < 0) | |
4509 | goto out; | |
4510 | } | |
4511 | ||
e78a287a AN |
4512 | out: |
4513 | return; | |
4514 | } | |
4515 | ||
4516 | static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, | |
4517 | struct ieee80211_vif *vif, | |
4518 | struct ieee80211_bss_conf *bss_conf, | |
4519 | u32 changed) | |
4520 | { | |
4521 | struct wl1271 *wl = hw->priv; | |
536129c8 EP |
4522 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
4523 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); | |
e78a287a AN |
4524 | int ret; |
4525 | ||
d3f5a1b5 EP |
4526 | wl1271_debug(DEBUG_MAC80211, "mac80211 bss info role %d changed 0x%x", |
4527 | wlvif->role_id, (int)changed); | |
e78a287a | 4528 | |
6b8bf5bc AN |
4529 | /* |
4530 | * make sure to cancel pending disconnections if our association | |
4531 | * state changed | |
4532 | */ | |
4533 | if (!is_ap && (changed & BSS_CHANGED_ASSOC)) | |
c50a2825 | 4534 | cancel_delayed_work_sync(&wlvif->connection_loss_work); |
6b8bf5bc | 4535 | |
b515d83a EP |
4536 | if (is_ap && (changed & BSS_CHANGED_BEACON_ENABLED) && |
4537 | !bss_conf->enable_beacon) | |
4538 | wl1271_tx_flush(wl); | |
4539 | ||
e78a287a AN |
4540 | mutex_lock(&wl->mutex); |
4541 | ||
4cc53383 | 4542 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
e78a287a AN |
4543 | goto out; |
4544 | ||
10c8cd01 EP |
4545 | if (unlikely(!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags))) |
4546 | goto out; | |
4547 | ||
a620865e | 4548 | ret = wl1271_ps_elp_wakeup(wl); |
e78a287a AN |
4549 | if (ret < 0) |
4550 | goto out; | |
4551 | ||
b30d49b2 AG |
4552 | if ((changed & BSS_CHANGED_TXPOWER) && |
4553 | bss_conf->txpower != wlvif->power_level) { | |
4554 | ||
4555 | ret = wl1271_acx_tx_power(wl, wlvif, bss_conf->txpower); | |
4556 | if (ret < 0) | |
4557 | goto out; | |
4558 | ||
4559 | wlvif->power_level = bss_conf->txpower; | |
4560 | } | |
4561 | ||
e78a287a AN |
4562 | if (is_ap) |
4563 | wl1271_bss_info_changed_ap(wl, vif, bss_conf, changed); | |
4564 | else | |
4565 | wl1271_bss_info_changed_sta(wl, vif, bss_conf, changed); | |
4566 | ||
f5fc0f86 LC |
4567 | wl1271_ps_elp_sleep(wl); |
4568 | ||
4569 | out: | |
4570 | mutex_unlock(&wl->mutex); | |
4571 | } | |
4572 | ||
b6970ee5 EP |
4573 | static int wlcore_op_add_chanctx(struct ieee80211_hw *hw, |
4574 | struct ieee80211_chanctx_conf *ctx) | |
4575 | { | |
4576 | wl1271_debug(DEBUG_MAC80211, "mac80211 add chanctx %d (type %d)", | |
aaabee8b LC |
4577 | ieee80211_frequency_to_channel(ctx->def.chan->center_freq), |
4578 | cfg80211_get_chandef_type(&ctx->def)); | |
b6970ee5 EP |
4579 | return 0; |
4580 | } | |
4581 | ||
4582 | static void wlcore_op_remove_chanctx(struct ieee80211_hw *hw, | |
4583 | struct ieee80211_chanctx_conf *ctx) | |
4584 | { | |
4585 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove chanctx %d (type %d)", | |
aaabee8b LC |
4586 | ieee80211_frequency_to_channel(ctx->def.chan->center_freq), |
4587 | cfg80211_get_chandef_type(&ctx->def)); | |
b6970ee5 EP |
4588 | } |
4589 | ||
4590 | static void wlcore_op_change_chanctx(struct ieee80211_hw *hw, | |
4591 | struct ieee80211_chanctx_conf *ctx, | |
4592 | u32 changed) | |
4593 | { | |
750e9d15 EP |
4594 | struct wl1271 *wl = hw->priv; |
4595 | struct wl12xx_vif *wlvif; | |
4596 | int ret; | |
4597 | int channel = ieee80211_frequency_to_channel( | |
4598 | ctx->def.chan->center_freq); | |
4599 | ||
b6970ee5 EP |
4600 | wl1271_debug(DEBUG_MAC80211, |
4601 | "mac80211 change chanctx %d (type %d) changed 0x%x", | |
750e9d15 EP |
4602 | channel, cfg80211_get_chandef_type(&ctx->def), changed); |
4603 | ||
4604 | mutex_lock(&wl->mutex); | |
4605 | ||
4606 | ret = wl1271_ps_elp_wakeup(wl); | |
4607 | if (ret < 0) | |
4608 | goto out; | |
4609 | ||
4610 | wl12xx_for_each_wlvif(wl, wlvif) { | |
4611 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); | |
4612 | ||
4613 | rcu_read_lock(); | |
4614 | if (rcu_access_pointer(vif->chanctx_conf) != ctx) { | |
4615 | rcu_read_unlock(); | |
4616 | continue; | |
4617 | } | |
4618 | rcu_read_unlock(); | |
4619 | ||
4620 | /* start radar if needed */ | |
4621 | if (changed & IEEE80211_CHANCTX_CHANGE_RADAR && | |
4622 | wlvif->bss_type == BSS_TYPE_AP_BSS && | |
4623 | ctx->radar_enabled && !wlvif->radar_enabled && | |
4624 | ctx->def.chan->dfs_state == NL80211_DFS_USABLE) { | |
4625 | wl1271_debug(DEBUG_MAC80211, "Start radar detection"); | |
4626 | wlcore_hw_set_cac(wl, wlvif, true); | |
4627 | wlvif->radar_enabled = true; | |
4628 | } | |
4629 | } | |
4630 | ||
4631 | wl1271_ps_elp_sleep(wl); | |
4632 | out: | |
4633 | mutex_unlock(&wl->mutex); | |
b6970ee5 EP |
4634 | } |
4635 | ||
4636 | static int wlcore_op_assign_vif_chanctx(struct ieee80211_hw *hw, | |
4637 | struct ieee80211_vif *vif, | |
4638 | struct ieee80211_chanctx_conf *ctx) | |
4639 | { | |
4640 | struct wl1271 *wl = hw->priv; | |
4641 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
4642 | int channel = ieee80211_frequency_to_channel( | |
aaabee8b | 4643 | ctx->def.chan->center_freq); |
750e9d15 | 4644 | int ret = -EINVAL; |
b6970ee5 EP |
4645 | |
4646 | wl1271_debug(DEBUG_MAC80211, | |
750e9d15 EP |
4647 | "mac80211 assign chanctx (role %d) %d (type %d) (radar %d dfs_state %d)", |
4648 | wlvif->role_id, channel, | |
4649 | cfg80211_get_chandef_type(&ctx->def), | |
4650 | ctx->radar_enabled, ctx->def.chan->dfs_state); | |
b6970ee5 EP |
4651 | |
4652 | mutex_lock(&wl->mutex); | |
4653 | ||
750e9d15 EP |
4654 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
4655 | goto out; | |
4656 | ||
4657 | if (unlikely(!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags))) | |
4658 | goto out; | |
4659 | ||
4660 | ret = wl1271_ps_elp_wakeup(wl); | |
4661 | if (ret < 0) | |
4662 | goto out; | |
4663 | ||
aaabee8b | 4664 | wlvif->band = ctx->def.chan->band; |
b6970ee5 | 4665 | wlvif->channel = channel; |
aaabee8b | 4666 | wlvif->channel_type = cfg80211_get_chandef_type(&ctx->def); |
b6970ee5 EP |
4667 | |
4668 | /* update default rates according to the band */ | |
4669 | wl1271_set_band_rate(wl, wlvif); | |
4670 | ||
750e9d15 EP |
4671 | if (ctx->radar_enabled && |
4672 | ctx->def.chan->dfs_state == NL80211_DFS_USABLE) { | |
4673 | wl1271_debug(DEBUG_MAC80211, "Start radar detection"); | |
4674 | wlcore_hw_set_cac(wl, wlvif, true); | |
4675 | wlvif->radar_enabled = true; | |
4676 | } | |
4677 | ||
4678 | wl1271_ps_elp_sleep(wl); | |
4679 | out: | |
b6970ee5 EP |
4680 | mutex_unlock(&wl->mutex); |
4681 | ||
4682 | return 0; | |
4683 | } | |
4684 | ||
4685 | static void wlcore_op_unassign_vif_chanctx(struct ieee80211_hw *hw, | |
4686 | struct ieee80211_vif *vif, | |
4687 | struct ieee80211_chanctx_conf *ctx) | |
4688 | { | |
4689 | struct wl1271 *wl = hw->priv; | |
4690 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
750e9d15 | 4691 | int ret; |
b6970ee5 EP |
4692 | |
4693 | wl1271_debug(DEBUG_MAC80211, | |
4694 | "mac80211 unassign chanctx (role %d) %d (type %d)", | |
4695 | wlvif->role_id, | |
aaabee8b LC |
4696 | ieee80211_frequency_to_channel(ctx->def.chan->center_freq), |
4697 | cfg80211_get_chandef_type(&ctx->def)); | |
b6970ee5 EP |
4698 | |
4699 | wl1271_tx_flush(wl); | |
750e9d15 EP |
4700 | |
4701 | mutex_lock(&wl->mutex); | |
4702 | ||
4703 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
4704 | goto out; | |
4705 | ||
4706 | if (unlikely(!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags))) | |
4707 | goto out; | |
4708 | ||
4709 | ret = wl1271_ps_elp_wakeup(wl); | |
4710 | if (ret < 0) | |
4711 | goto out; | |
4712 | ||
4713 | if (wlvif->radar_enabled) { | |
4714 | wl1271_debug(DEBUG_MAC80211, "Stop radar detection"); | |
4715 | wlcore_hw_set_cac(wl, wlvif, false); | |
4716 | wlvif->radar_enabled = false; | |
4717 | } | |
4718 | ||
4719 | wl1271_ps_elp_sleep(wl); | |
4720 | out: | |
4721 | mutex_unlock(&wl->mutex); | |
4722 | } | |
4723 | ||
4724 | static int __wlcore_switch_vif_chan(struct wl1271 *wl, | |
4725 | struct wl12xx_vif *wlvif, | |
4726 | struct ieee80211_chanctx_conf *new_ctx) | |
4727 | { | |
4728 | int channel = ieee80211_frequency_to_channel( | |
4729 | new_ctx->def.chan->center_freq); | |
4730 | ||
4731 | wl1271_debug(DEBUG_MAC80211, | |
4732 | "switch vif (role %d) %d -> %d chan_type: %d", | |
4733 | wlvif->role_id, wlvif->channel, channel, | |
4734 | cfg80211_get_chandef_type(&new_ctx->def)); | |
4735 | ||
4736 | if (WARN_ON_ONCE(wlvif->bss_type != BSS_TYPE_AP_BSS)) | |
4737 | return 0; | |
4738 | ||
830513ab EP |
4739 | WARN_ON(!test_bit(WLVIF_FLAG_BEACON_DISABLED, &wlvif->flags)); |
4740 | ||
750e9d15 EP |
4741 | if (wlvif->radar_enabled) { |
4742 | wl1271_debug(DEBUG_MAC80211, "Stop radar detection"); | |
4743 | wlcore_hw_set_cac(wl, wlvif, false); | |
4744 | wlvif->radar_enabled = false; | |
4745 | } | |
4746 | ||
4747 | wlvif->band = new_ctx->def.chan->band; | |
4748 | wlvif->channel = channel; | |
4749 | wlvif->channel_type = cfg80211_get_chandef_type(&new_ctx->def); | |
4750 | ||
4751 | /* start radar if needed */ | |
4752 | if (new_ctx->radar_enabled) { | |
4753 | wl1271_debug(DEBUG_MAC80211, "Start radar detection"); | |
4754 | wlcore_hw_set_cac(wl, wlvif, true); | |
4755 | wlvif->radar_enabled = true; | |
4756 | } | |
4757 | ||
4758 | return 0; | |
4759 | } | |
4760 | ||
4761 | static int | |
4762 | wlcore_op_switch_vif_chanctx(struct ieee80211_hw *hw, | |
4763 | struct ieee80211_vif_chanctx_switch *vifs, | |
4764 | int n_vifs, | |
4765 | enum ieee80211_chanctx_switch_mode mode) | |
4766 | { | |
4767 | struct wl1271 *wl = hw->priv; | |
4768 | int i, ret; | |
4769 | ||
4770 | wl1271_debug(DEBUG_MAC80211, | |
4771 | "mac80211 switch chanctx n_vifs %d mode %d", | |
4772 | n_vifs, mode); | |
4773 | ||
4774 | mutex_lock(&wl->mutex); | |
4775 | ||
4776 | ret = wl1271_ps_elp_wakeup(wl); | |
4777 | if (ret < 0) | |
4778 | goto out; | |
4779 | ||
4780 | for (i = 0; i < n_vifs; i++) { | |
4781 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vifs[i].vif); | |
4782 | ||
4783 | ret = __wlcore_switch_vif_chan(wl, wlvif, vifs[i].new_ctx); | |
4784 | if (ret) | |
4785 | goto out_sleep; | |
4786 | } | |
4787 | out_sleep: | |
4788 | wl1271_ps_elp_sleep(wl); | |
4789 | out: | |
4790 | mutex_unlock(&wl->mutex); | |
4791 | ||
4792 | return 0; | |
b6970ee5 EP |
4793 | } |
4794 | ||
8a3a3c85 EP |
4795 | static int wl1271_op_conf_tx(struct ieee80211_hw *hw, |
4796 | struct ieee80211_vif *vif, u16 queue, | |
c6999d83 KV |
4797 | const struct ieee80211_tx_queue_params *params) |
4798 | { | |
4799 | struct wl1271 *wl = hw->priv; | |
0603d891 | 4800 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
4695dc91 | 4801 | u8 ps_scheme; |
488fc540 | 4802 | int ret = 0; |
c6999d83 | 4803 | |
7845af35 EP |
4804 | if (wlcore_is_p2p_mgmt(wlvif)) |
4805 | return 0; | |
4806 | ||
c6999d83 KV |
4807 | mutex_lock(&wl->mutex); |
4808 | ||
4809 | wl1271_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue); | |
4810 | ||
4695dc91 KV |
4811 | if (params->uapsd) |
4812 | ps_scheme = CONF_PS_SCHEME_UPSD_TRIGGER; | |
4813 | else | |
4814 | ps_scheme = CONF_PS_SCHEME_LEGACY; | |
4815 | ||
5b37ddfe | 4816 | if (!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) |
c1b193eb | 4817 | goto out; |
488fc540 | 4818 | |
c1b193eb EP |
4819 | ret = wl1271_ps_elp_wakeup(wl); |
4820 | if (ret < 0) | |
4821 | goto out; | |
488fc540 | 4822 | |
c1b193eb EP |
4823 | /* |
4824 | * the txop is confed in units of 32us by the mac80211, | |
4825 | * we need us | |
4826 | */ | |
0603d891 | 4827 | ret = wl1271_acx_ac_cfg(wl, wlvif, wl1271_tx_get_queue(queue), |
c1b193eb EP |
4828 | params->cw_min, params->cw_max, |
4829 | params->aifs, params->txop << 5); | |
4830 | if (ret < 0) | |
4831 | goto out_sleep; | |
4832 | ||
0603d891 | 4833 | ret = wl1271_acx_tid_cfg(wl, wlvif, wl1271_tx_get_queue(queue), |
c1b193eb EP |
4834 | CONF_CHANNEL_TYPE_EDCF, |
4835 | wl1271_tx_get_queue(queue), | |
4836 | ps_scheme, CONF_ACK_POLICY_LEGACY, | |
4837 | 0, 0); | |
c82c1dde KV |
4838 | |
4839 | out_sleep: | |
c1b193eb | 4840 | wl1271_ps_elp_sleep(wl); |
c6999d83 KV |
4841 | |
4842 | out: | |
4843 | mutex_unlock(&wl->mutex); | |
4844 | ||
4845 | return ret; | |
4846 | } | |
4847 | ||
37a41b4a EP |
4848 | static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw, |
4849 | struct ieee80211_vif *vif) | |
bbbb538e JO |
4850 | { |
4851 | ||
4852 | struct wl1271 *wl = hw->priv; | |
9c531149 | 4853 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
bbbb538e JO |
4854 | u64 mactime = ULLONG_MAX; |
4855 | int ret; | |
4856 | ||
4857 | wl1271_debug(DEBUG_MAC80211, "mac80211 get tsf"); | |
4858 | ||
4859 | mutex_lock(&wl->mutex); | |
4860 | ||
4cc53383 | 4861 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
f8d9802f JO |
4862 | goto out; |
4863 | ||
a620865e | 4864 | ret = wl1271_ps_elp_wakeup(wl); |
bbbb538e JO |
4865 | if (ret < 0) |
4866 | goto out; | |
4867 | ||
9c531149 | 4868 | ret = wl12xx_acx_tsf_info(wl, wlvif, &mactime); |
bbbb538e JO |
4869 | if (ret < 0) |
4870 | goto out_sleep; | |
4871 | ||
4872 | out_sleep: | |
4873 | wl1271_ps_elp_sleep(wl); | |
4874 | ||
4875 | out: | |
4876 | mutex_unlock(&wl->mutex); | |
4877 | return mactime; | |
4878 | } | |
f5fc0f86 | 4879 | |
ece550d0 JL |
4880 | static int wl1271_op_get_survey(struct ieee80211_hw *hw, int idx, |
4881 | struct survey_info *survey) | |
4882 | { | |
ece550d0 | 4883 | struct ieee80211_conf *conf = &hw->conf; |
b739a42c | 4884 | |
ece550d0 JL |
4885 | if (idx != 0) |
4886 | return -ENOENT; | |
b739a42c | 4887 | |
675a0b04 | 4888 | survey->channel = conf->chandef.chan; |
add779a0 | 4889 | survey->filled = 0; |
ece550d0 JL |
4890 | return 0; |
4891 | } | |
4892 | ||
409622ec | 4893 | static int wl1271_allocate_sta(struct wl1271 *wl, |
c7ffb902 EP |
4894 | struct wl12xx_vif *wlvif, |
4895 | struct ieee80211_sta *sta) | |
f84f7d78 AN |
4896 | { |
4897 | struct wl1271_station *wl_sta; | |
c7ffb902 | 4898 | int ret; |
f84f7d78 | 4899 | |
c7ffb902 | 4900 | |
32f0fd5b | 4901 | if (wl->active_sta_count >= wl->max_ap_stations) { |
f84f7d78 AN |
4902 | wl1271_warning("could not allocate HLID - too much stations"); |
4903 | return -EBUSY; | |
4904 | } | |
4905 | ||
4906 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
c7ffb902 EP |
4907 | ret = wl12xx_allocate_link(wl, wlvif, &wl_sta->hlid); |
4908 | if (ret < 0) { | |
4909 | wl1271_warning("could not allocate HLID - too many links"); | |
4910 | return -EBUSY; | |
4911 | } | |
4912 | ||
0e752df6 AN |
4913 | /* use the previous security seq, if this is a recovery/resume */ |
4914 | wl->links[wl_sta->hlid].total_freed_pkts = wl_sta->total_freed_pkts; | |
4915 | ||
c7ffb902 | 4916 | set_bit(wl_sta->hlid, wlvif->ap.sta_hlid_map); |
b622d992 | 4917 | memcpy(wl->links[wl_sta->hlid].addr, sta->addr, ETH_ALEN); |
da03209e | 4918 | wl->active_sta_count++; |
f84f7d78 AN |
4919 | return 0; |
4920 | } | |
4921 | ||
c7ffb902 | 4922 | void wl1271_free_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid) |
f84f7d78 | 4923 | { |
c7ffb902 | 4924 | if (!test_bit(hlid, wlvif->ap.sta_hlid_map)) |
f1acea9a AN |
4925 | return; |
4926 | ||
c7ffb902 | 4927 | clear_bit(hlid, wlvif->ap.sta_hlid_map); |
b622d992 | 4928 | __clear_bit(hlid, &wl->ap_ps_map); |
5e74b3aa | 4929 | __clear_bit(hlid, &wl->ap_fw_ps_map); |
0e752df6 AN |
4930 | |
4931 | /* | |
4932 | * save the last used PN in the private part of iee80211_sta, | |
4933 | * in case of recovery/suspend | |
4934 | */ | |
50d26aa3 | 4935 | wlcore_save_freed_pkts_addr(wl, wlvif, hlid, wl->links[hlid].addr); |
0e752df6 | 4936 | |
c7ffb902 | 4937 | wl12xx_free_link(wl, wlvif, &hlid); |
da03209e | 4938 | wl->active_sta_count--; |
55df5afb AN |
4939 | |
4940 | /* | |
4941 | * rearm the tx watchdog when the last STA is freed - give the FW a | |
4942 | * chance to return STA-buffered packets before complaining. | |
4943 | */ | |
4944 | if (wl->active_sta_count == 0) | |
4945 | wl12xx_rearm_tx_watchdog_locked(wl); | |
f84f7d78 AN |
4946 | } |
4947 | ||
2d6cf2b5 EP |
4948 | static int wl12xx_sta_add(struct wl1271 *wl, |
4949 | struct wl12xx_vif *wlvif, | |
4950 | struct ieee80211_sta *sta) | |
f84f7d78 | 4951 | { |
c7ffb902 | 4952 | struct wl1271_station *wl_sta; |
f84f7d78 AN |
4953 | int ret = 0; |
4954 | u8 hlid; | |
4955 | ||
f84f7d78 AN |
4956 | wl1271_debug(DEBUG_MAC80211, "mac80211 add sta %d", (int)sta->aid); |
4957 | ||
c7ffb902 | 4958 | ret = wl1271_allocate_sta(wl, wlvif, sta); |
f84f7d78 | 4959 | if (ret < 0) |
2d6cf2b5 | 4960 | return ret; |
f84f7d78 | 4961 | |
c7ffb902 EP |
4962 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
4963 | hlid = wl_sta->hlid; | |
4964 | ||
1b92f15e | 4965 | ret = wl12xx_cmd_add_peer(wl, wlvif, sta, hlid); |
f84f7d78 | 4966 | if (ret < 0) |
2d6cf2b5 | 4967 | wl1271_free_sta(wl, wlvif, hlid); |
f84f7d78 | 4968 | |
2d6cf2b5 EP |
4969 | return ret; |
4970 | } | |
b67476ef | 4971 | |
2d6cf2b5 EP |
4972 | static int wl12xx_sta_remove(struct wl1271 *wl, |
4973 | struct wl12xx_vif *wlvif, | |
4974 | struct ieee80211_sta *sta) | |
4975 | { | |
4976 | struct wl1271_station *wl_sta; | |
4977 | int ret = 0, id; | |
0b932ab9 | 4978 | |
2d6cf2b5 EP |
4979 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove sta %d", (int)sta->aid); |
4980 | ||
4981 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
4982 | id = wl_sta->hlid; | |
4983 | if (WARN_ON(!test_bit(id, wlvif->ap.sta_hlid_map))) | |
4984 | return -EINVAL; | |
f84f7d78 | 4985 | |
028e7243 | 4986 | ret = wl12xx_cmd_remove_peer(wl, wlvif, wl_sta->hlid); |
409622ec | 4987 | if (ret < 0) |
2d6cf2b5 | 4988 | return ret; |
409622ec | 4989 | |
2d6cf2b5 | 4990 | wl1271_free_sta(wl, wlvif, wl_sta->hlid); |
f84f7d78 AN |
4991 | return ret; |
4992 | } | |
4993 | ||
426001a6 EP |
4994 | static void wlcore_roc_if_possible(struct wl1271 *wl, |
4995 | struct wl12xx_vif *wlvif) | |
4996 | { | |
4997 | if (find_first_bit(wl->roc_map, | |
4998 | WL12XX_MAX_ROLES) < WL12XX_MAX_ROLES) | |
4999 | return; | |
5000 | ||
5001 | if (WARN_ON(wlvif->role_id == WL12XX_INVALID_ROLE_ID)) | |
5002 | return; | |
5003 | ||
5004 | wl12xx_roc(wl, wlvif, wlvif->role_id, wlvif->band, wlvif->channel); | |
5005 | } | |
5006 | ||
187e52cc AN |
5007 | /* |
5008 | * when wl_sta is NULL, we treat this call as if coming from a | |
5009 | * pending auth reply. | |
5010 | * wl->mutex must be taken and the FW must be awake when the call | |
5011 | * takes place. | |
5012 | */ | |
5013 | void wlcore_update_inconn_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif, | |
5014 | struct wl1271_station *wl_sta, bool in_conn) | |
426001a6 | 5015 | { |
187e52cc AN |
5016 | if (in_conn) { |
5017 | if (WARN_ON(wl_sta && wl_sta->in_connection)) | |
426001a6 | 5018 | return; |
187e52cc AN |
5019 | |
5020 | if (!wlvif->ap_pending_auth_reply && | |
5021 | !wlvif->inconn_count) | |
426001a6 | 5022 | wlcore_roc_if_possible(wl, wlvif); |
187e52cc AN |
5023 | |
5024 | if (wl_sta) { | |
5025 | wl_sta->in_connection = true; | |
5026 | wlvif->inconn_count++; | |
5027 | } else { | |
5028 | wlvif->ap_pending_auth_reply = true; | |
5029 | } | |
426001a6 | 5030 | } else { |
187e52cc | 5031 | if (wl_sta && !wl_sta->in_connection) |
426001a6 EP |
5032 | return; |
5033 | ||
187e52cc | 5034 | if (WARN_ON(!wl_sta && !wlvif->ap_pending_auth_reply)) |
426001a6 EP |
5035 | return; |
5036 | ||
187e52cc AN |
5037 | if (WARN_ON(wl_sta && !wlvif->inconn_count)) |
5038 | return; | |
5039 | ||
5040 | if (wl_sta) { | |
5041 | wl_sta->in_connection = false; | |
5042 | wlvif->inconn_count--; | |
5043 | } else { | |
5044 | wlvif->ap_pending_auth_reply = false; | |
5045 | } | |
5046 | ||
5047 | if (!wlvif->inconn_count && !wlvif->ap_pending_auth_reply && | |
5048 | test_bit(wlvif->role_id, wl->roc_map)) | |
5049 | wl12xx_croc(wl, wlvif->role_id); | |
426001a6 EP |
5050 | } |
5051 | } | |
5052 | ||
2d6cf2b5 EP |
5053 | static int wl12xx_update_sta_state(struct wl1271 *wl, |
5054 | struct wl12xx_vif *wlvif, | |
5055 | struct ieee80211_sta *sta, | |
5056 | enum ieee80211_sta_state old_state, | |
5057 | enum ieee80211_sta_state new_state) | |
f84f7d78 | 5058 | { |
f84f7d78 | 5059 | struct wl1271_station *wl_sta; |
2d6cf2b5 EP |
5060 | bool is_ap = wlvif->bss_type == BSS_TYPE_AP_BSS; |
5061 | bool is_sta = wlvif->bss_type == BSS_TYPE_STA_BSS; | |
5062 | int ret; | |
f84f7d78 | 5063 | |
2d6cf2b5 | 5064 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
f84f7d78 | 5065 | |
2d6cf2b5 EP |
5066 | /* Add station (AP mode) */ |
5067 | if (is_ap && | |
5068 | old_state == IEEE80211_STA_NOTEXIST && | |
29936266 EP |
5069 | new_state == IEEE80211_STA_NONE) { |
5070 | ret = wl12xx_sta_add(wl, wlvif, sta); | |
5071 | if (ret) | |
5072 | return ret; | |
426001a6 EP |
5073 | |
5074 | wlcore_update_inconn_sta(wl, wlvif, wl_sta, true); | |
29936266 | 5075 | } |
2d6cf2b5 EP |
5076 | |
5077 | /* Remove station (AP mode) */ | |
5078 | if (is_ap && | |
5079 | old_state == IEEE80211_STA_NONE && | |
5080 | new_state == IEEE80211_STA_NOTEXIST) { | |
5081 | /* must not fail */ | |
5082 | wl12xx_sta_remove(wl, wlvif, sta); | |
426001a6 EP |
5083 | |
5084 | wlcore_update_inconn_sta(wl, wlvif, wl_sta, false); | |
2d6cf2b5 | 5085 | } |
f84f7d78 | 5086 | |
2d6cf2b5 EP |
5087 | /* Authorize station (AP mode) */ |
5088 | if (is_ap && | |
5089 | new_state == IEEE80211_STA_AUTHORIZED) { | |
2fec3d27 | 5090 | ret = wl12xx_cmd_set_peer_state(wl, wlvif, wl_sta->hlid); |
2d6cf2b5 EP |
5091 | if (ret < 0) |
5092 | return ret; | |
f84f7d78 | 5093 | |
2d6cf2b5 | 5094 | ret = wl1271_acx_set_ht_capabilities(wl, &sta->ht_cap, true, |
2fec3d27 | 5095 | wl_sta->hlid); |
29936266 EP |
5096 | if (ret) |
5097 | return ret; | |
426001a6 EP |
5098 | |
5099 | wlcore_update_inconn_sta(wl, wlvif, wl_sta, false); | |
2d6cf2b5 | 5100 | } |
f84f7d78 | 5101 | |
9fd6f21b EP |
5102 | /* Authorize station */ |
5103 | if (is_sta && | |
5104 | new_state == IEEE80211_STA_AUTHORIZED) { | |
5105 | set_bit(WLVIF_FLAG_STA_AUTHORIZED, &wlvif->flags); | |
29936266 EP |
5106 | ret = wl12xx_set_authorized(wl, wlvif); |
5107 | if (ret) | |
5108 | return ret; | |
9fd6f21b EP |
5109 | } |
5110 | ||
5111 | if (is_sta && | |
5112 | old_state == IEEE80211_STA_AUTHORIZED && | |
5113 | new_state == IEEE80211_STA_ASSOC) { | |
5114 | clear_bit(WLVIF_FLAG_STA_AUTHORIZED, &wlvif->flags); | |
3230f35e | 5115 | clear_bit(WLVIF_FLAG_STA_STATE_SENT, &wlvif->flags); |
9fd6f21b EP |
5116 | } |
5117 | ||
50d26aa3 EP |
5118 | /* save seq number on disassoc (suspend) */ |
5119 | if (is_sta && | |
5120 | old_state == IEEE80211_STA_ASSOC && | |
5121 | new_state == IEEE80211_STA_AUTH) { | |
5122 | wlcore_save_freed_pkts(wl, wlvif, wlvif->sta.hlid, sta); | |
5123 | wlvif->total_freed_pkts = 0; | |
5124 | } | |
5125 | ||
5126 | /* restore seq number on assoc (resume) */ | |
5127 | if (is_sta && | |
5128 | old_state == IEEE80211_STA_AUTH && | |
5129 | new_state == IEEE80211_STA_ASSOC) { | |
5130 | wlvif->total_freed_pkts = wl_sta->total_freed_pkts; | |
5131 | } | |
5132 | ||
29936266 EP |
5133 | /* clear ROCs on failure or authorization */ |
5134 | if (is_sta && | |
5135 | (new_state == IEEE80211_STA_AUTHORIZED || | |
5136 | new_state == IEEE80211_STA_NOTEXIST)) { | |
5137 | if (test_bit(wlvif->role_id, wl->roc_map)) | |
5138 | wl12xx_croc(wl, wlvif->role_id); | |
9fd6f21b EP |
5139 | } |
5140 | ||
29936266 EP |
5141 | if (is_sta && |
5142 | old_state == IEEE80211_STA_NOTEXIST && | |
5143 | new_state == IEEE80211_STA_NONE) { | |
5144 | if (find_first_bit(wl->roc_map, | |
5145 | WL12XX_MAX_ROLES) >= WL12XX_MAX_ROLES) { | |
5146 | WARN_ON(wlvif->role_id == WL12XX_INVALID_ROLE_ID); | |
5147 | wl12xx_roc(wl, wlvif, wlvif->role_id, | |
5148 | wlvif->band, wlvif->channel); | |
5149 | } | |
5150 | } | |
2d6cf2b5 EP |
5151 | return 0; |
5152 | } | |
5153 | ||
5154 | static int wl12xx_op_sta_state(struct ieee80211_hw *hw, | |
5155 | struct ieee80211_vif *vif, | |
5156 | struct ieee80211_sta *sta, | |
5157 | enum ieee80211_sta_state old_state, | |
5158 | enum ieee80211_sta_state new_state) | |
5159 | { | |
5160 | struct wl1271 *wl = hw->priv; | |
5161 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
5162 | int ret; | |
5163 | ||
5164 | wl1271_debug(DEBUG_MAC80211, "mac80211 sta %d state=%d->%d", | |
5165 | sta->aid, old_state, new_state); | |
5166 | ||
5167 | mutex_lock(&wl->mutex); | |
5168 | ||
4cc53383 | 5169 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
2d6cf2b5 | 5170 | ret = -EBUSY; |
f84f7d78 | 5171 | goto out; |
2d6cf2b5 | 5172 | } |
f84f7d78 | 5173 | |
a620865e | 5174 | ret = wl1271_ps_elp_wakeup(wl); |
f84f7d78 AN |
5175 | if (ret < 0) |
5176 | goto out; | |
5177 | ||
2d6cf2b5 | 5178 | ret = wl12xx_update_sta_state(wl, wlvif, sta, old_state, new_state); |
f84f7d78 | 5179 | |
f84f7d78 | 5180 | wl1271_ps_elp_sleep(wl); |
f84f7d78 AN |
5181 | out: |
5182 | mutex_unlock(&wl->mutex); | |
2d6cf2b5 EP |
5183 | if (new_state < old_state) |
5184 | return 0; | |
f84f7d78 AN |
5185 | return ret; |
5186 | } | |
5187 | ||
4623ec7d LC |
5188 | static int wl1271_op_ampdu_action(struct ieee80211_hw *hw, |
5189 | struct ieee80211_vif *vif, | |
50ea05ef | 5190 | struct ieee80211_ampdu_params *params) |
bbba3e68 LS |
5191 | { |
5192 | struct wl1271 *wl = hw->priv; | |
536129c8 | 5193 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
bbba3e68 | 5194 | int ret; |
0f9c8250 | 5195 | u8 hlid, *ba_bitmap; |
50ea05ef SS |
5196 | struct ieee80211_sta *sta = params->sta; |
5197 | enum ieee80211_ampdu_mlme_action action = params->action; | |
5198 | u16 tid = params->tid; | |
5199 | u16 *ssn = ¶ms->ssn; | |
0f9c8250 AN |
5200 | |
5201 | wl1271_debug(DEBUG_MAC80211, "mac80211 ampdu action %d tid %d", action, | |
5202 | tid); | |
5203 | ||
5204 | /* sanity check - the fields in FW are only 8bits wide */ | |
5205 | if (WARN_ON(tid > 0xFF)) | |
5206 | return -ENOTSUPP; | |
bbba3e68 LS |
5207 | |
5208 | mutex_lock(&wl->mutex); | |
5209 | ||
4cc53383 | 5210 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
bbba3e68 LS |
5211 | ret = -EAGAIN; |
5212 | goto out; | |
5213 | } | |
5214 | ||
536129c8 | 5215 | if (wlvif->bss_type == BSS_TYPE_STA_BSS) { |
154da67c | 5216 | hlid = wlvif->sta.hlid; |
536129c8 | 5217 | } else if (wlvif->bss_type == BSS_TYPE_AP_BSS) { |
0f9c8250 AN |
5218 | struct wl1271_station *wl_sta; |
5219 | ||
5220 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
5221 | hlid = wl_sta->hlid; | |
0f9c8250 AN |
5222 | } else { |
5223 | ret = -EINVAL; | |
5224 | goto out; | |
5225 | } | |
5226 | ||
9ae5d8d4 AN |
5227 | ba_bitmap = &wl->links[hlid].ba_bitmap; |
5228 | ||
a620865e | 5229 | ret = wl1271_ps_elp_wakeup(wl); |
bbba3e68 LS |
5230 | if (ret < 0) |
5231 | goto out; | |
5232 | ||
70559a06 SL |
5233 | wl1271_debug(DEBUG_MAC80211, "mac80211 ampdu: Rx tid %d action %d", |
5234 | tid, action); | |
5235 | ||
bbba3e68 LS |
5236 | switch (action) { |
5237 | case IEEE80211_AMPDU_RX_START: | |
d0802abd | 5238 | if (!wlvif->ba_support || !wlvif->ba_allowed) { |
bbba3e68 | 5239 | ret = -ENOTSUPP; |
0f9c8250 AN |
5240 | break; |
5241 | } | |
5242 | ||
d21553f8 | 5243 | if (wl->ba_rx_session_count >= wl->ba_rx_session_count_max) { |
0f9c8250 AN |
5244 | ret = -EBUSY; |
5245 | wl1271_error("exceeded max RX BA sessions"); | |
5246 | break; | |
5247 | } | |
5248 | ||
5249 | if (*ba_bitmap & BIT(tid)) { | |
5250 | ret = -EINVAL; | |
5251 | wl1271_error("cannot enable RX BA session on active " | |
5252 | "tid: %d", tid); | |
5253 | break; | |
5254 | } | |
5255 | ||
5256 | ret = wl12xx_acx_set_ba_receiver_session(wl, tid, *ssn, true, | |
5257 | hlid); | |
5258 | if (!ret) { | |
5259 | *ba_bitmap |= BIT(tid); | |
5260 | wl->ba_rx_session_count++; | |
bbba3e68 LS |
5261 | } |
5262 | break; | |
5263 | ||
5264 | case IEEE80211_AMPDU_RX_STOP: | |
0f9c8250 | 5265 | if (!(*ba_bitmap & BIT(tid))) { |
c954910b AN |
5266 | /* |
5267 | * this happens on reconfig - so only output a debug | |
5268 | * message for now, and don't fail the function. | |
5269 | */ | |
5270 | wl1271_debug(DEBUG_MAC80211, | |
5271 | "no active RX BA session on tid: %d", | |
0f9c8250 | 5272 | tid); |
c954910b | 5273 | ret = 0; |
0f9c8250 AN |
5274 | break; |
5275 | } | |
5276 | ||
5277 | ret = wl12xx_acx_set_ba_receiver_session(wl, tid, 0, false, | |
5278 | hlid); | |
5279 | if (!ret) { | |
5280 | *ba_bitmap &= ~BIT(tid); | |
5281 | wl->ba_rx_session_count--; | |
5282 | } | |
bbba3e68 LS |
5283 | break; |
5284 | ||
5285 | /* | |
5286 | * The BA initiator session management in FW independently. | |
5287 | * Falling break here on purpose for all TX APDU commands. | |
5288 | */ | |
5289 | case IEEE80211_AMPDU_TX_START: | |
18b559d5 JB |
5290 | case IEEE80211_AMPDU_TX_STOP_CONT: |
5291 | case IEEE80211_AMPDU_TX_STOP_FLUSH: | |
5292 | case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: | |
bbba3e68 LS |
5293 | case IEEE80211_AMPDU_TX_OPERATIONAL: |
5294 | ret = -EINVAL; | |
5295 | break; | |
5296 | ||
5297 | default: | |
5298 | wl1271_error("Incorrect ampdu action id=%x\n", action); | |
5299 | ret = -EINVAL; | |
5300 | } | |
5301 | ||
5302 | wl1271_ps_elp_sleep(wl); | |
5303 | ||
5304 | out: | |
5305 | mutex_unlock(&wl->mutex); | |
5306 | ||
5307 | return ret; | |
5308 | } | |
5309 | ||
af7fbb28 EP |
5310 | static int wl12xx_set_bitrate_mask(struct ieee80211_hw *hw, |
5311 | struct ieee80211_vif *vif, | |
5312 | const struct cfg80211_bitrate_mask *mask) | |
5313 | { | |
83587505 | 5314 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
af7fbb28 | 5315 | struct wl1271 *wl = hw->priv; |
d6fa37c9 | 5316 | int i, ret = 0; |
af7fbb28 EP |
5317 | |
5318 | wl1271_debug(DEBUG_MAC80211, "mac80211 set_bitrate_mask 0x%x 0x%x", | |
5319 | mask->control[NL80211_BAND_2GHZ].legacy, | |
5320 | mask->control[NL80211_BAND_5GHZ].legacy); | |
5321 | ||
5322 | mutex_lock(&wl->mutex); | |
5323 | ||
091185d6 | 5324 | for (i = 0; i < WLCORE_NUM_BANDS; i++) |
83587505 | 5325 | wlvif->bitrate_masks[i] = |
af7fbb28 EP |
5326 | wl1271_tx_enabled_rates_get(wl, |
5327 | mask->control[i].legacy, | |
5328 | i); | |
d6fa37c9 | 5329 | |
4cc53383 | 5330 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
d6fa37c9 EP |
5331 | goto out; |
5332 | ||
5333 | if (wlvif->bss_type == BSS_TYPE_STA_BSS && | |
5334 | !test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) { | |
5335 | ||
5336 | ret = wl1271_ps_elp_wakeup(wl); | |
5337 | if (ret < 0) | |
5338 | goto out; | |
5339 | ||
5340 | wl1271_set_band_rate(wl, wlvif); | |
5341 | wlvif->basic_rate = | |
5342 | wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); | |
5343 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); | |
5344 | ||
5345 | wl1271_ps_elp_sleep(wl); | |
5346 | } | |
5347 | out: | |
af7fbb28 EP |
5348 | mutex_unlock(&wl->mutex); |
5349 | ||
d6fa37c9 | 5350 | return ret; |
af7fbb28 EP |
5351 | } |
5352 | ||
6d158ff3 | 5353 | static void wl12xx_op_channel_switch(struct ieee80211_hw *hw, |
0f791eb4 | 5354 | struct ieee80211_vif *vif, |
6d158ff3 SL |
5355 | struct ieee80211_channel_switch *ch_switch) |
5356 | { | |
5357 | struct wl1271 *wl = hw->priv; | |
0f791eb4 | 5358 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
6d158ff3 SL |
5359 | int ret; |
5360 | ||
5361 | wl1271_debug(DEBUG_MAC80211, "mac80211 channel switch"); | |
5362 | ||
b9239b66 AN |
5363 | wl1271_tx_flush(wl); |
5364 | ||
6d158ff3 SL |
5365 | mutex_lock(&wl->mutex); |
5366 | ||
4cc53383 | 5367 | if (unlikely(wl->state == WLCORE_STATE_OFF)) { |
0f791eb4 | 5368 | if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
6e8cd331 | 5369 | ieee80211_chswitch_done(vif, false); |
6e8cd331 | 5370 | goto out; |
4cc53383 IY |
5371 | } else if (unlikely(wl->state != WLCORE_STATE_ON)) { |
5372 | goto out; | |
6d158ff3 SL |
5373 | } |
5374 | ||
5375 | ret = wl1271_ps_elp_wakeup(wl); | |
5376 | if (ret < 0) | |
5377 | goto out; | |
5378 | ||
52630c5d | 5379 | /* TODO: change mac80211 to pass vif as param */ |
6d158ff3 | 5380 | |
0f791eb4 LC |
5381 | if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) { |
5382 | unsigned long delay_usec; | |
e6562869 | 5383 | |
fcab1890 | 5384 | ret = wl->ops->channel_switch(wl, wlvif, ch_switch); |
c50a2825 EP |
5385 | if (ret) |
5386 | goto out_sleep; | |
6d158ff3 | 5387 | |
c50a2825 EP |
5388 | set_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags); |
5389 | ||
5390 | /* indicate failure 5 seconds after channel switch time */ | |
5391 | delay_usec = ieee80211_tu_to_usec(wlvif->beacon_int) * | |
0f791eb4 | 5392 | ch_switch->count; |
c50a2825 | 5393 | ieee80211_queue_delayed_work(hw, &wlvif->channel_switch_work, |
0f791eb4 LC |
5394 | usecs_to_jiffies(delay_usec) + |
5395 | msecs_to_jiffies(5000)); | |
52630c5d | 5396 | } |
6d158ff3 | 5397 | |
c50a2825 | 5398 | out_sleep: |
6d158ff3 SL |
5399 | wl1271_ps_elp_sleep(wl); |
5400 | ||
5401 | out: | |
5402 | mutex_unlock(&wl->mutex); | |
5403 | } | |
5404 | ||
534719f4 EP |
5405 | static const void *wlcore_get_beacon_ie(struct wl1271 *wl, |
5406 | struct wl12xx_vif *wlvif, | |
5407 | u8 eid) | |
5408 | { | |
5409 | int ieoffset = offsetof(struct ieee80211_mgmt, u.beacon.variable); | |
5410 | struct sk_buff *beacon = | |
5411 | ieee80211_beacon_get(wl->hw, wl12xx_wlvif_to_vif(wlvif)); | |
5412 | ||
5413 | if (!beacon) | |
5414 | return NULL; | |
5415 | ||
5416 | return cfg80211_find_ie(eid, | |
5417 | beacon->data + ieoffset, | |
5418 | beacon->len - ieoffset); | |
5419 | } | |
5420 | ||
5421 | static int wlcore_get_csa_count(struct wl1271 *wl, struct wl12xx_vif *wlvif, | |
5422 | u8 *csa_count) | |
5423 | { | |
5424 | const u8 *ie; | |
5425 | const struct ieee80211_channel_sw_ie *ie_csa; | |
5426 | ||
5427 | ie = wlcore_get_beacon_ie(wl, wlvif, WLAN_EID_CHANNEL_SWITCH); | |
5428 | if (!ie) | |
5429 | return -EINVAL; | |
5430 | ||
5431 | ie_csa = (struct ieee80211_channel_sw_ie *)&ie[2]; | |
5432 | *csa_count = ie_csa->count; | |
5433 | ||
5434 | return 0; | |
5435 | } | |
5436 | ||
5437 | static void wlcore_op_channel_switch_beacon(struct ieee80211_hw *hw, | |
5438 | struct ieee80211_vif *vif, | |
5439 | struct cfg80211_chan_def *chandef) | |
5440 | { | |
5441 | struct wl1271 *wl = hw->priv; | |
5442 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
5443 | struct ieee80211_channel_switch ch_switch = { | |
5444 | .block_tx = true, | |
5445 | .chandef = *chandef, | |
5446 | }; | |
5447 | int ret; | |
5448 | ||
5449 | wl1271_debug(DEBUG_MAC80211, | |
5450 | "mac80211 channel switch beacon (role %d)", | |
5451 | wlvif->role_id); | |
5452 | ||
5453 | ret = wlcore_get_csa_count(wl, wlvif, &ch_switch.count); | |
5454 | if (ret < 0) { | |
5455 | wl1271_error("error getting beacon (for CSA counter)"); | |
5456 | return; | |
5457 | } | |
5458 | ||
5459 | mutex_lock(&wl->mutex); | |
5460 | ||
5461 | if (unlikely(wl->state != WLCORE_STATE_ON)) { | |
5462 | ret = -EBUSY; | |
5463 | goto out; | |
5464 | } | |
5465 | ||
5466 | ret = wl1271_ps_elp_wakeup(wl); | |
5467 | if (ret < 0) | |
5468 | goto out; | |
5469 | ||
5470 | ret = wl->ops->channel_switch(wl, wlvif, &ch_switch); | |
5471 | if (ret) | |
5472 | goto out_sleep; | |
5473 | ||
5474 | set_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags); | |
5475 | ||
5476 | out_sleep: | |
5477 | wl1271_ps_elp_sleep(wl); | |
5478 | out: | |
5479 | mutex_unlock(&wl->mutex); | |
5480 | } | |
5481 | ||
77be2c54 EG |
5482 | static void wlcore_op_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
5483 | u32 queues, bool drop) | |
d8ae5a25 EP |
5484 | { |
5485 | struct wl1271 *wl = hw->priv; | |
5486 | ||
5487 | wl1271_tx_flush(wl); | |
5488 | } | |
5489 | ||
dabf37db EP |
5490 | static int wlcore_op_remain_on_channel(struct ieee80211_hw *hw, |
5491 | struct ieee80211_vif *vif, | |
5492 | struct ieee80211_channel *chan, | |
d339d5ca IP |
5493 | int duration, |
5494 | enum ieee80211_roc_type type) | |
dabf37db EP |
5495 | { |
5496 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
5497 | struct wl1271 *wl = hw->priv; | |
5498 | int channel, ret = 0; | |
5499 | ||
5500 | channel = ieee80211_frequency_to_channel(chan->center_freq); | |
5501 | ||
5502 | wl1271_debug(DEBUG_MAC80211, "mac80211 roc %d (%d)", | |
5503 | channel, wlvif->role_id); | |
5504 | ||
5505 | mutex_lock(&wl->mutex); | |
5506 | ||
5507 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
5508 | goto out; | |
5509 | ||
5510 | /* return EBUSY if we can't ROC right now */ | |
5511 | if (WARN_ON(wl->roc_vif || | |
5512 | find_first_bit(wl->roc_map, | |
5513 | WL12XX_MAX_ROLES) < WL12XX_MAX_ROLES)) { | |
5514 | ret = -EBUSY; | |
5515 | goto out; | |
5516 | } | |
5517 | ||
5518 | ret = wl1271_ps_elp_wakeup(wl); | |
5519 | if (ret < 0) | |
5520 | goto out; | |
5521 | ||
5522 | ret = wl12xx_start_dev(wl, wlvif, chan->band, channel); | |
5523 | if (ret < 0) | |
5524 | goto out_sleep; | |
5525 | ||
5526 | wl->roc_vif = vif; | |
5527 | ieee80211_queue_delayed_work(hw, &wl->roc_complete_work, | |
5528 | msecs_to_jiffies(duration)); | |
5529 | out_sleep: | |
5530 | wl1271_ps_elp_sleep(wl); | |
5531 | out: | |
5532 | mutex_unlock(&wl->mutex); | |
5533 | return ret; | |
5534 | } | |
5535 | ||
5536 | static int __wlcore_roc_completed(struct wl1271 *wl) | |
5537 | { | |
5538 | struct wl12xx_vif *wlvif; | |
5539 | int ret; | |
5540 | ||
5541 | /* already completed */ | |
5542 | if (unlikely(!wl->roc_vif)) | |
5543 | return 0; | |
5544 | ||
5545 | wlvif = wl12xx_vif_to_data(wl->roc_vif); | |
5546 | ||
5547 | if (!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) | |
5548 | return -EBUSY; | |
5549 | ||
5550 | ret = wl12xx_stop_dev(wl, wlvif); | |
5551 | if (ret < 0) | |
5552 | return ret; | |
5553 | ||
5554 | wl->roc_vif = NULL; | |
5555 | ||
5556 | return 0; | |
5557 | } | |
5558 | ||
5559 | static int wlcore_roc_completed(struct wl1271 *wl) | |
5560 | { | |
5561 | int ret; | |
5562 | ||
5563 | wl1271_debug(DEBUG_MAC80211, "roc complete"); | |
5564 | ||
5565 | mutex_lock(&wl->mutex); | |
5566 | ||
5567 | if (unlikely(wl->state != WLCORE_STATE_ON)) { | |
5568 | ret = -EBUSY; | |
5569 | goto out; | |
5570 | } | |
5571 | ||
5572 | ret = wl1271_ps_elp_wakeup(wl); | |
5573 | if (ret < 0) | |
5574 | goto out; | |
5575 | ||
5576 | ret = __wlcore_roc_completed(wl); | |
5577 | ||
5578 | wl1271_ps_elp_sleep(wl); | |
5579 | out: | |
5580 | mutex_unlock(&wl->mutex); | |
5581 | ||
5582 | return ret; | |
5583 | } | |
5584 | ||
5585 | static void wlcore_roc_complete_work(struct work_struct *work) | |
5586 | { | |
5587 | struct delayed_work *dwork; | |
5588 | struct wl1271 *wl; | |
5589 | int ret; | |
5590 | ||
5591 | dwork = container_of(work, struct delayed_work, work); | |
5592 | wl = container_of(dwork, struct wl1271, roc_complete_work); | |
5593 | ||
5594 | ret = wlcore_roc_completed(wl); | |
5595 | if (!ret) | |
5596 | ieee80211_remain_on_channel_expired(wl->hw); | |
5597 | } | |
5598 | ||
5599 | static int wlcore_op_cancel_remain_on_channel(struct ieee80211_hw *hw) | |
5600 | { | |
5601 | struct wl1271 *wl = hw->priv; | |
5602 | ||
5603 | wl1271_debug(DEBUG_MAC80211, "mac80211 croc"); | |
5604 | ||
5605 | /* TODO: per-vif */ | |
5606 | wl1271_tx_flush(wl); | |
5607 | ||
5608 | /* | |
5609 | * we can't just flush_work here, because it might deadlock | |
5610 | * (as we might get called from the same workqueue) | |
5611 | */ | |
5612 | cancel_delayed_work_sync(&wl->roc_complete_work); | |
5613 | wlcore_roc_completed(wl); | |
5614 | ||
5615 | return 0; | |
5616 | } | |
5617 | ||
5f9b6777 AN |
5618 | static void wlcore_op_sta_rc_update(struct ieee80211_hw *hw, |
5619 | struct ieee80211_vif *vif, | |
5620 | struct ieee80211_sta *sta, | |
5621 | u32 changed) | |
5622 | { | |
5623 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
5f9b6777 | 5624 | |
7d3b29e5 EP |
5625 | wl1271_debug(DEBUG_MAC80211, "mac80211 sta_rc_update"); |
5626 | ||
5627 | if (!(changed & IEEE80211_RC_BW_CHANGED)) | |
5628 | return; | |
5629 | ||
5630 | /* this callback is atomic, so schedule a new work */ | |
5631 | wlvif->rc_update_bw = sta->bandwidth; | |
5632 | ieee80211_queue_work(hw, &wlvif->rc_update_work); | |
5f9b6777 AN |
5633 | } |
5634 | ||
2b9a7e1b JB |
5635 | static void wlcore_op_sta_statistics(struct ieee80211_hw *hw, |
5636 | struct ieee80211_vif *vif, | |
5637 | struct ieee80211_sta *sta, | |
5638 | struct station_info *sinfo) | |
0a9ffac0 NZ |
5639 | { |
5640 | struct wl1271 *wl = hw->priv; | |
5641 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
2b9a7e1b JB |
5642 | s8 rssi_dbm; |
5643 | int ret; | |
0a9ffac0 NZ |
5644 | |
5645 | wl1271_debug(DEBUG_MAC80211, "mac80211 get_rssi"); | |
5646 | ||
5647 | mutex_lock(&wl->mutex); | |
5648 | ||
5649 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
5650 | goto out; | |
5651 | ||
5652 | ret = wl1271_ps_elp_wakeup(wl); | |
5653 | if (ret < 0) | |
5654 | goto out_sleep; | |
5655 | ||
2b9a7e1b | 5656 | ret = wlcore_acx_average_rssi(wl, wlvif, &rssi_dbm); |
0a9ffac0 NZ |
5657 | if (ret < 0) |
5658 | goto out_sleep; | |
5659 | ||
319090bf | 5660 | sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); |
2b9a7e1b JB |
5661 | sinfo->signal = rssi_dbm; |
5662 | ||
0a9ffac0 NZ |
5663 | out_sleep: |
5664 | wl1271_ps_elp_sleep(wl); | |
5665 | ||
5666 | out: | |
5667 | mutex_unlock(&wl->mutex); | |
0a9ffac0 NZ |
5668 | } |
5669 | ||
33437893 AN |
5670 | static bool wl1271_tx_frames_pending(struct ieee80211_hw *hw) |
5671 | { | |
5672 | struct wl1271 *wl = hw->priv; | |
5673 | bool ret = false; | |
5674 | ||
5675 | mutex_lock(&wl->mutex); | |
5676 | ||
4cc53383 | 5677 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
33437893 AN |
5678 | goto out; |
5679 | ||
5680 | /* packets are considered pending if in the TX queue or the FW */ | |
f1a46384 | 5681 | ret = (wl1271_tx_total_queue_count(wl) > 0) || (wl->tx_frames_cnt > 0); |
33437893 AN |
5682 | out: |
5683 | mutex_unlock(&wl->mutex); | |
5684 | ||
5685 | return ret; | |
5686 | } | |
5687 | ||
f5fc0f86 LC |
5688 | /* can't be const, mac80211 writes to this */ |
5689 | static struct ieee80211_rate wl1271_rates[] = { | |
5690 | { .bitrate = 10, | |
2b60100b JO |
5691 | .hw_value = CONF_HW_BIT_RATE_1MBPS, |
5692 | .hw_value_short = CONF_HW_BIT_RATE_1MBPS, }, | |
f5fc0f86 | 5693 | { .bitrate = 20, |
2b60100b JO |
5694 | .hw_value = CONF_HW_BIT_RATE_2MBPS, |
5695 | .hw_value_short = CONF_HW_BIT_RATE_2MBPS, | |
f5fc0f86 LC |
5696 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
5697 | { .bitrate = 55, | |
2b60100b JO |
5698 | .hw_value = CONF_HW_BIT_RATE_5_5MBPS, |
5699 | .hw_value_short = CONF_HW_BIT_RATE_5_5MBPS, | |
f5fc0f86 LC |
5700 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
5701 | { .bitrate = 110, | |
2b60100b JO |
5702 | .hw_value = CONF_HW_BIT_RATE_11MBPS, |
5703 | .hw_value_short = CONF_HW_BIT_RATE_11MBPS, | |
f5fc0f86 LC |
5704 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
5705 | { .bitrate = 60, | |
2b60100b JO |
5706 | .hw_value = CONF_HW_BIT_RATE_6MBPS, |
5707 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
f5fc0f86 | 5708 | { .bitrate = 90, |
2b60100b JO |
5709 | .hw_value = CONF_HW_BIT_RATE_9MBPS, |
5710 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
f5fc0f86 | 5711 | { .bitrate = 120, |
2b60100b JO |
5712 | .hw_value = CONF_HW_BIT_RATE_12MBPS, |
5713 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
f5fc0f86 | 5714 | { .bitrate = 180, |
2b60100b JO |
5715 | .hw_value = CONF_HW_BIT_RATE_18MBPS, |
5716 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
f5fc0f86 | 5717 | { .bitrate = 240, |
2b60100b JO |
5718 | .hw_value = CONF_HW_BIT_RATE_24MBPS, |
5719 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
f5fc0f86 | 5720 | { .bitrate = 360, |
2b60100b JO |
5721 | .hw_value = CONF_HW_BIT_RATE_36MBPS, |
5722 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
f5fc0f86 | 5723 | { .bitrate = 480, |
2b60100b JO |
5724 | .hw_value = CONF_HW_BIT_RATE_48MBPS, |
5725 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
f5fc0f86 | 5726 | { .bitrate = 540, |
2b60100b JO |
5727 | .hw_value = CONF_HW_BIT_RATE_54MBPS, |
5728 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
f5fc0f86 LC |
5729 | }; |
5730 | ||
fa97f46b | 5731 | /* can't be const, mac80211 writes to this */ |
f5fc0f86 | 5732 | static struct ieee80211_channel wl1271_channels[] = { |
583f8164 VG |
5733 | { .hw_value = 1, .center_freq = 2412, .max_power = WLCORE_MAX_TXPWR }, |
5734 | { .hw_value = 2, .center_freq = 2417, .max_power = WLCORE_MAX_TXPWR }, | |
5735 | { .hw_value = 3, .center_freq = 2422, .max_power = WLCORE_MAX_TXPWR }, | |
5736 | { .hw_value = 4, .center_freq = 2427, .max_power = WLCORE_MAX_TXPWR }, | |
5737 | { .hw_value = 5, .center_freq = 2432, .max_power = WLCORE_MAX_TXPWR }, | |
5738 | { .hw_value = 6, .center_freq = 2437, .max_power = WLCORE_MAX_TXPWR }, | |
5739 | { .hw_value = 7, .center_freq = 2442, .max_power = WLCORE_MAX_TXPWR }, | |
5740 | { .hw_value = 8, .center_freq = 2447, .max_power = WLCORE_MAX_TXPWR }, | |
5741 | { .hw_value = 9, .center_freq = 2452, .max_power = WLCORE_MAX_TXPWR }, | |
5742 | { .hw_value = 10, .center_freq = 2457, .max_power = WLCORE_MAX_TXPWR }, | |
5743 | { .hw_value = 11, .center_freq = 2462, .max_power = WLCORE_MAX_TXPWR }, | |
5744 | { .hw_value = 12, .center_freq = 2467, .max_power = WLCORE_MAX_TXPWR }, | |
5745 | { .hw_value = 13, .center_freq = 2472, .max_power = WLCORE_MAX_TXPWR }, | |
5746 | { .hw_value = 14, .center_freq = 2484, .max_power = WLCORE_MAX_TXPWR }, | |
f5fc0f86 LC |
5747 | }; |
5748 | ||
5749 | /* can't be const, mac80211 writes to this */ | |
5750 | static struct ieee80211_supported_band wl1271_band_2ghz = { | |
5751 | .channels = wl1271_channels, | |
5752 | .n_channels = ARRAY_SIZE(wl1271_channels), | |
5753 | .bitrates = wl1271_rates, | |
5754 | .n_bitrates = ARRAY_SIZE(wl1271_rates), | |
5755 | }; | |
5756 | ||
1ebec3d7 TP |
5757 | /* 5 GHz data rates for WL1273 */ |
5758 | static struct ieee80211_rate wl1271_rates_5ghz[] = { | |
5759 | { .bitrate = 60, | |
5760 | .hw_value = CONF_HW_BIT_RATE_6MBPS, | |
5761 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
5762 | { .bitrate = 90, | |
5763 | .hw_value = CONF_HW_BIT_RATE_9MBPS, | |
5764 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
5765 | { .bitrate = 120, | |
5766 | .hw_value = CONF_HW_BIT_RATE_12MBPS, | |
5767 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
5768 | { .bitrate = 180, | |
5769 | .hw_value = CONF_HW_BIT_RATE_18MBPS, | |
5770 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
5771 | { .bitrate = 240, | |
5772 | .hw_value = CONF_HW_BIT_RATE_24MBPS, | |
5773 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
5774 | { .bitrate = 360, | |
5775 | .hw_value = CONF_HW_BIT_RATE_36MBPS, | |
5776 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
5777 | { .bitrate = 480, | |
5778 | .hw_value = CONF_HW_BIT_RATE_48MBPS, | |
5779 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
5780 | { .bitrate = 540, | |
5781 | .hw_value = CONF_HW_BIT_RATE_54MBPS, | |
5782 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
5783 | }; | |
5784 | ||
fa97f46b | 5785 | /* 5 GHz band channels for WL1273 */ |
1ebec3d7 | 5786 | static struct ieee80211_channel wl1271_channels_5ghz[] = { |
583f8164 | 5787 | { .hw_value = 8, .center_freq = 5040, .max_power = WLCORE_MAX_TXPWR }, |
583f8164 VG |
5788 | { .hw_value = 12, .center_freq = 5060, .max_power = WLCORE_MAX_TXPWR }, |
5789 | { .hw_value = 16, .center_freq = 5080, .max_power = WLCORE_MAX_TXPWR }, | |
5790 | { .hw_value = 34, .center_freq = 5170, .max_power = WLCORE_MAX_TXPWR }, | |
5791 | { .hw_value = 36, .center_freq = 5180, .max_power = WLCORE_MAX_TXPWR }, | |
5792 | { .hw_value = 38, .center_freq = 5190, .max_power = WLCORE_MAX_TXPWR }, | |
5793 | { .hw_value = 40, .center_freq = 5200, .max_power = WLCORE_MAX_TXPWR }, | |
5794 | { .hw_value = 42, .center_freq = 5210, .max_power = WLCORE_MAX_TXPWR }, | |
5795 | { .hw_value = 44, .center_freq = 5220, .max_power = WLCORE_MAX_TXPWR }, | |
5796 | { .hw_value = 46, .center_freq = 5230, .max_power = WLCORE_MAX_TXPWR }, | |
5797 | { .hw_value = 48, .center_freq = 5240, .max_power = WLCORE_MAX_TXPWR }, | |
5798 | { .hw_value = 52, .center_freq = 5260, .max_power = WLCORE_MAX_TXPWR }, | |
5799 | { .hw_value = 56, .center_freq = 5280, .max_power = WLCORE_MAX_TXPWR }, | |
5800 | { .hw_value = 60, .center_freq = 5300, .max_power = WLCORE_MAX_TXPWR }, | |
5801 | { .hw_value = 64, .center_freq = 5320, .max_power = WLCORE_MAX_TXPWR }, | |
5802 | { .hw_value = 100, .center_freq = 5500, .max_power = WLCORE_MAX_TXPWR }, | |
5803 | { .hw_value = 104, .center_freq = 5520, .max_power = WLCORE_MAX_TXPWR }, | |
5804 | { .hw_value = 108, .center_freq = 5540, .max_power = WLCORE_MAX_TXPWR }, | |
5805 | { .hw_value = 112, .center_freq = 5560, .max_power = WLCORE_MAX_TXPWR }, | |
5806 | { .hw_value = 116, .center_freq = 5580, .max_power = WLCORE_MAX_TXPWR }, | |
5807 | { .hw_value = 120, .center_freq = 5600, .max_power = WLCORE_MAX_TXPWR }, | |
5808 | { .hw_value = 124, .center_freq = 5620, .max_power = WLCORE_MAX_TXPWR }, | |
5809 | { .hw_value = 128, .center_freq = 5640, .max_power = WLCORE_MAX_TXPWR }, | |
5810 | { .hw_value = 132, .center_freq = 5660, .max_power = WLCORE_MAX_TXPWR }, | |
5811 | { .hw_value = 136, .center_freq = 5680, .max_power = WLCORE_MAX_TXPWR }, | |
5812 | { .hw_value = 140, .center_freq = 5700, .max_power = WLCORE_MAX_TXPWR }, | |
5813 | { .hw_value = 149, .center_freq = 5745, .max_power = WLCORE_MAX_TXPWR }, | |
5814 | { .hw_value = 153, .center_freq = 5765, .max_power = WLCORE_MAX_TXPWR }, | |
5815 | { .hw_value = 157, .center_freq = 5785, .max_power = WLCORE_MAX_TXPWR }, | |
5816 | { .hw_value = 161, .center_freq = 5805, .max_power = WLCORE_MAX_TXPWR }, | |
5817 | { .hw_value = 165, .center_freq = 5825, .max_power = WLCORE_MAX_TXPWR }, | |
1ebec3d7 TP |
5818 | }; |
5819 | ||
1ebec3d7 TP |
5820 | static struct ieee80211_supported_band wl1271_band_5ghz = { |
5821 | .channels = wl1271_channels_5ghz, | |
5822 | .n_channels = ARRAY_SIZE(wl1271_channels_5ghz), | |
5823 | .bitrates = wl1271_rates_5ghz, | |
5824 | .n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz), | |
f876bb9a JO |
5825 | }; |
5826 | ||
f5fc0f86 LC |
5827 | static const struct ieee80211_ops wl1271_ops = { |
5828 | .start = wl1271_op_start, | |
c24ec83b | 5829 | .stop = wlcore_op_stop, |
f5fc0f86 LC |
5830 | .add_interface = wl1271_op_add_interface, |
5831 | .remove_interface = wl1271_op_remove_interface, | |
c0fad1b7 | 5832 | .change_interface = wl12xx_op_change_interface, |
f634a4e7 | 5833 | #ifdef CONFIG_PM |
402e4861 EP |
5834 | .suspend = wl1271_op_suspend, |
5835 | .resume = wl1271_op_resume, | |
f634a4e7 | 5836 | #endif |
f5fc0f86 | 5837 | .config = wl1271_op_config, |
c87dec9f | 5838 | .prepare_multicast = wl1271_op_prepare_multicast, |
f5fc0f86 LC |
5839 | .configure_filter = wl1271_op_configure_filter, |
5840 | .tx = wl1271_op_tx, | |
a1c597f2 | 5841 | .set_key = wlcore_op_set_key, |
f5fc0f86 | 5842 | .hw_scan = wl1271_op_hw_scan, |
73ecce31 | 5843 | .cancel_hw_scan = wl1271_op_cancel_hw_scan, |
33c2c06c LC |
5844 | .sched_scan_start = wl1271_op_sched_scan_start, |
5845 | .sched_scan_stop = wl1271_op_sched_scan_stop, | |
f5fc0f86 | 5846 | .bss_info_changed = wl1271_op_bss_info_changed, |
68d069c4 | 5847 | .set_frag_threshold = wl1271_op_set_frag_threshold, |
f5fc0f86 | 5848 | .set_rts_threshold = wl1271_op_set_rts_threshold, |
c6999d83 | 5849 | .conf_tx = wl1271_op_conf_tx, |
bbbb538e | 5850 | .get_tsf = wl1271_op_get_tsf, |
ece550d0 | 5851 | .get_survey = wl1271_op_get_survey, |
2d6cf2b5 | 5852 | .sta_state = wl12xx_op_sta_state, |
bbba3e68 | 5853 | .ampdu_action = wl1271_op_ampdu_action, |
33437893 | 5854 | .tx_frames_pending = wl1271_tx_frames_pending, |
af7fbb28 | 5855 | .set_bitrate_mask = wl12xx_set_bitrate_mask, |
ba1e6eb9 | 5856 | .set_default_unicast_key = wl1271_op_set_default_key_idx, |
6d158ff3 | 5857 | .channel_switch = wl12xx_op_channel_switch, |
534719f4 | 5858 | .channel_switch_beacon = wlcore_op_channel_switch_beacon, |
d8ae5a25 | 5859 | .flush = wlcore_op_flush, |
dabf37db EP |
5860 | .remain_on_channel = wlcore_op_remain_on_channel, |
5861 | .cancel_remain_on_channel = wlcore_op_cancel_remain_on_channel, | |
b6970ee5 EP |
5862 | .add_chanctx = wlcore_op_add_chanctx, |
5863 | .remove_chanctx = wlcore_op_remove_chanctx, | |
5864 | .change_chanctx = wlcore_op_change_chanctx, | |
5865 | .assign_vif_chanctx = wlcore_op_assign_vif_chanctx, | |
5866 | .unassign_vif_chanctx = wlcore_op_unassign_vif_chanctx, | |
750e9d15 | 5867 | .switch_vif_chanctx = wlcore_op_switch_vif_chanctx, |
5f9b6777 | 5868 | .sta_rc_update = wlcore_op_sta_rc_update, |
2b9a7e1b | 5869 | .sta_statistics = wlcore_op_sta_statistics, |
c8c90873 | 5870 | CFG80211_TESTMODE_CMD(wl1271_tm_cmd) |
f5fc0f86 LC |
5871 | }; |
5872 | ||
f876bb9a | 5873 | |
43a8bc5a | 5874 | u8 wlcore_rate_to_idx(struct wl1271 *wl, u8 rate, enum ieee80211_band band) |
f876bb9a JO |
5875 | { |
5876 | u8 idx; | |
5877 | ||
43a8bc5a | 5878 | BUG_ON(band >= 2); |
f876bb9a | 5879 | |
43a8bc5a | 5880 | if (unlikely(rate >= wl->hw_tx_rate_tbl_size)) { |
f876bb9a JO |
5881 | wl1271_error("Illegal RX rate from HW: %d", rate); |
5882 | return 0; | |
5883 | } | |
5884 | ||
43a8bc5a | 5885 | idx = wl->band_rate_to_idx[band][rate]; |
f876bb9a JO |
5886 | if (unlikely(idx == CONF_HW_RXTX_RATE_UNSUPPORTED)) { |
5887 | wl1271_error("Unsupported RX rate from HW: %d", rate); | |
5888 | return 0; | |
5889 | } | |
5890 | ||
5891 | return idx; | |
5892 | } | |
5893 | ||
f4afbed9 | 5894 | static void wl12xx_derive_mac_addresses(struct wl1271 *wl, u32 oui, u32 nic) |
5e037e74 LC |
5895 | { |
5896 | int i; | |
5897 | ||
f4afbed9 AN |
5898 | wl1271_debug(DEBUG_PROBE, "base address: oui %06x nic %06x", |
5899 | oui, nic); | |
5e037e74 | 5900 | |
f4afbed9 | 5901 | if (nic + WLCORE_NUM_MAC_ADDRESSES - wl->num_mac_addr > 0xffffff) |
5e037e74 LC |
5902 | wl1271_warning("NIC part of the MAC address wraps around!"); |
5903 | ||
f4afbed9 | 5904 | for (i = 0; i < wl->num_mac_addr; i++) { |
5e037e74 LC |
5905 | wl->addresses[i].addr[0] = (u8)(oui >> 16); |
5906 | wl->addresses[i].addr[1] = (u8)(oui >> 8); | |
5907 | wl->addresses[i].addr[2] = (u8) oui; | |
5908 | wl->addresses[i].addr[3] = (u8)(nic >> 16); | |
5909 | wl->addresses[i].addr[4] = (u8)(nic >> 8); | |
5910 | wl->addresses[i].addr[5] = (u8) nic; | |
5911 | nic++; | |
5912 | } | |
5913 | ||
f4afbed9 AN |
5914 | /* we may be one address short at the most */ |
5915 | WARN_ON(wl->num_mac_addr + 1 < WLCORE_NUM_MAC_ADDRESSES); | |
5916 | ||
5917 | /* | |
5918 | * turn on the LAA bit in the first address and use it as | |
5919 | * the last address. | |
5920 | */ | |
5921 | if (wl->num_mac_addr < WLCORE_NUM_MAC_ADDRESSES) { | |
5922 | int idx = WLCORE_NUM_MAC_ADDRESSES - 1; | |
5923 | memcpy(&wl->addresses[idx], &wl->addresses[0], | |
5924 | sizeof(wl->addresses[0])); | |
5925 | /* LAA bit */ | |
71a301bb | 5926 | wl->addresses[idx].addr[0] |= BIT(1); |
f4afbed9 AN |
5927 | } |
5928 | ||
5929 | wl->hw->wiphy->n_addresses = WLCORE_NUM_MAC_ADDRESSES; | |
5e037e74 LC |
5930 | wl->hw->wiphy->addresses = wl->addresses; |
5931 | } | |
5932 | ||
30c5dbd1 LC |
5933 | static int wl12xx_get_hw_info(struct wl1271 *wl) |
5934 | { | |
5935 | int ret; | |
30c5dbd1 | 5936 | |
6134323f IY |
5937 | ret = wlcore_read_reg(wl, REG_CHIP_ID_B, &wl->chip.id); |
5938 | if (ret < 0) | |
5939 | goto out; | |
30c5dbd1 | 5940 | |
00782136 LC |
5941 | wl->fuse_oui_addr = 0; |
5942 | wl->fuse_nic_addr = 0; | |
30c5dbd1 | 5943 | |
6134323f IY |
5944 | ret = wl->ops->get_pg_ver(wl, &wl->hw_pg_ver); |
5945 | if (ret < 0) | |
5946 | goto out; | |
30c5dbd1 | 5947 | |
30d9b4a5 | 5948 | if (wl->ops->get_mac) |
6134323f | 5949 | ret = wl->ops->get_mac(wl); |
5e037e74 | 5950 | |
30c5dbd1 LC |
5951 | out: |
5952 | return ret; | |
5953 | } | |
5954 | ||
4b32a2c9 | 5955 | static int wl1271_register_hw(struct wl1271 *wl) |
f5fc0f86 LC |
5956 | { |
5957 | int ret; | |
5e037e74 | 5958 | u32 oui_addr = 0, nic_addr = 0; |
f5fc0f86 LC |
5959 | |
5960 | if (wl->mac80211_registered) | |
5961 | return 0; | |
5962 | ||
6f8d6b20 | 5963 | if (wl->nvs_len >= 12) { |
bc765bf3 SL |
5964 | /* NOTE: The wl->nvs->nvs element must be first, in |
5965 | * order to simplify the casting, we assume it is at | |
5966 | * the beginning of the wl->nvs structure. | |
5967 | */ | |
5968 | u8 *nvs_ptr = (u8 *)wl->nvs; | |
31d26ec6 | 5969 | |
5e037e74 LC |
5970 | oui_addr = |
5971 | (nvs_ptr[11] << 16) + (nvs_ptr[10] << 8) + nvs_ptr[6]; | |
5972 | nic_addr = | |
5973 | (nvs_ptr[5] << 16) + (nvs_ptr[4] << 8) + nvs_ptr[3]; | |
5974 | } | |
5975 | ||
5976 | /* if the MAC address is zeroed in the NVS derive from fuse */ | |
5977 | if (oui_addr == 0 && nic_addr == 0) { | |
5978 | oui_addr = wl->fuse_oui_addr; | |
5979 | /* fuse has the BD_ADDR, the WLAN addresses are the next two */ | |
5980 | nic_addr = wl->fuse_nic_addr + 1; | |
31d26ec6 AN |
5981 | } |
5982 | ||
f4afbed9 | 5983 | wl12xx_derive_mac_addresses(wl, oui_addr, nic_addr); |
f5fc0f86 LC |
5984 | |
5985 | ret = ieee80211_register_hw(wl->hw); | |
5986 | if (ret < 0) { | |
5987 | wl1271_error("unable to register mac80211 hw: %d", ret); | |
30c5dbd1 | 5988 | goto out; |
f5fc0f86 LC |
5989 | } |
5990 | ||
5991 | wl->mac80211_registered = true; | |
5992 | ||
d60080ae EP |
5993 | wl1271_debugfs_init(wl); |
5994 | ||
f5fc0f86 LC |
5995 | wl1271_notice("loaded"); |
5996 | ||
30c5dbd1 LC |
5997 | out: |
5998 | return ret; | |
f5fc0f86 LC |
5999 | } |
6000 | ||
4b32a2c9 | 6001 | static void wl1271_unregister_hw(struct wl1271 *wl) |
3b56dd6a | 6002 | { |
3fcdab70 | 6003 | if (wl->plt) |
f3df1331 | 6004 | wl1271_plt_stop(wl); |
4ae3fa87 | 6005 | |
3b56dd6a TP |
6006 | ieee80211_unregister_hw(wl->hw); |
6007 | wl->mac80211_registered = false; | |
6008 | ||
6009 | } | |
3b56dd6a | 6010 | |
4b32a2c9 | 6011 | static int wl1271_init_ieee80211(struct wl1271 *wl) |
f5fc0f86 | 6012 | { |
583f8164 | 6013 | int i; |
7a55724e JO |
6014 | static const u32 cipher_suites[] = { |
6015 | WLAN_CIPHER_SUITE_WEP40, | |
6016 | WLAN_CIPHER_SUITE_WEP104, | |
6017 | WLAN_CIPHER_SUITE_TKIP, | |
6018 | WLAN_CIPHER_SUITE_CCMP, | |
6019 | WL1271_CIPHER_SUITE_GEM, | |
6020 | }; | |
6021 | ||
2c0133a4 AN |
6022 | /* The tx descriptor buffer */ |
6023 | wl->hw->extra_tx_headroom = sizeof(struct wl1271_tx_hw_descr); | |
6024 | ||
6025 | if (wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) | |
6026 | wl->hw->extra_tx_headroom += WL1271_EXTRA_SPACE_TKIP; | |
f5fc0f86 LC |
6027 | |
6028 | /* unit us */ | |
6029 | /* FIXME: find a proper value */ | |
50c500ad | 6030 | wl->hw->max_listen_interval = wl->conf.conn.max_listen_interval; |
f5fc0f86 | 6031 | |
30686bf7 JB |
6032 | ieee80211_hw_set(wl->hw, SUPPORT_FAST_XMIT); |
6033 | ieee80211_hw_set(wl->hw, CHANCTX_STA_CSA); | |
6034 | ieee80211_hw_set(wl->hw, QUEUE_CONTROL); | |
6035 | ieee80211_hw_set(wl->hw, TX_AMPDU_SETUP_IN_HW); | |
6036 | ieee80211_hw_set(wl->hw, AMPDU_AGGREGATION); | |
6037 | ieee80211_hw_set(wl->hw, AP_LINK_PS); | |
6038 | ieee80211_hw_set(wl->hw, SPECTRUM_MGMT); | |
6039 | ieee80211_hw_set(wl->hw, REPORTS_TX_ACK_STATUS); | |
6040 | ieee80211_hw_set(wl->hw, CONNECTION_MONITOR); | |
6041 | ieee80211_hw_set(wl->hw, HAS_RATE_CONTROL); | |
6042 | ieee80211_hw_set(wl->hw, SUPPORTS_DYNAMIC_PS); | |
6043 | ieee80211_hw_set(wl->hw, SIGNAL_DBM); | |
6044 | ieee80211_hw_set(wl->hw, SUPPORTS_PS); | |
f5fc0f86 | 6045 | |
7a55724e JO |
6046 | wl->hw->wiphy->cipher_suites = cipher_suites; |
6047 | wl->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); | |
6048 | ||
e0d8bbf0 | 6049 | wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
7845af35 EP |
6050 | BIT(NL80211_IFTYPE_AP) | |
6051 | BIT(NL80211_IFTYPE_P2P_DEVICE) | | |
6052 | BIT(NL80211_IFTYPE_P2P_CLIENT) | | |
6053 | BIT(NL80211_IFTYPE_P2P_GO); | |
f5fc0f86 | 6054 | wl->hw->wiphy->max_scan_ssids = 1; |
221737d2 LC |
6055 | wl->hw->wiphy->max_sched_scan_ssids = 16; |
6056 | wl->hw->wiphy->max_match_sets = 16; | |
ea559b46 GE |
6057 | /* |
6058 | * Maximum length of elements in scanning probe request templates | |
6059 | * should be the maximum length possible for a template, without | |
6060 | * the IEEE80211 header of the template | |
6061 | */ | |
c08e371a | 6062 | wl->hw->wiphy->max_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE - |
ea559b46 | 6063 | sizeof(struct ieee80211_header); |
a8aaaf53 | 6064 | |
c08e371a | 6065 | wl->hw->wiphy->max_sched_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE - |
c9e79a47 LC |
6066 | sizeof(struct ieee80211_header); |
6067 | ||
fbddf587 | 6068 | wl->hw->wiphy->max_remain_on_channel_duration = 30000; |
dabf37db | 6069 | |
81ddbb5c | 6070 | wl->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD | |
1fb90260 | 6071 | WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | |
534719f4 EP |
6072 | WIPHY_FLAG_SUPPORTS_SCHED_SCAN | |
6073 | WIPHY_FLAG_HAS_CHANNEL_SWITCH; | |
1ec23f7f | 6074 | |
4a31c11c LC |
6075 | /* make sure all our channels fit in the scanned_ch bitmask */ |
6076 | BUILD_BUG_ON(ARRAY_SIZE(wl1271_channels) + | |
6077 | ARRAY_SIZE(wl1271_channels_5ghz) > | |
6078 | WL1271_MAX_CHANNELS); | |
583f8164 VG |
6079 | /* |
6080 | * clear channel flags from the previous usage | |
6081 | * and restore max_power & max_antenna_gain values. | |
6082 | */ | |
6083 | for (i = 0; i < ARRAY_SIZE(wl1271_channels); i++) { | |
6084 | wl1271_band_2ghz.channels[i].flags = 0; | |
6085 | wl1271_band_2ghz.channels[i].max_power = WLCORE_MAX_TXPWR; | |
6086 | wl1271_band_2ghz.channels[i].max_antenna_gain = 0; | |
6087 | } | |
6088 | ||
6089 | for (i = 0; i < ARRAY_SIZE(wl1271_channels_5ghz); i++) { | |
6090 | wl1271_band_5ghz.channels[i].flags = 0; | |
6091 | wl1271_band_5ghz.channels[i].max_power = WLCORE_MAX_TXPWR; | |
6092 | wl1271_band_5ghz.channels[i].max_antenna_gain = 0; | |
6093 | } | |
6094 | ||
a8aaaf53 LC |
6095 | /* |
6096 | * We keep local copies of the band structs because we need to | |
6097 | * modify them on a per-device basis. | |
6098 | */ | |
6099 | memcpy(&wl->bands[IEEE80211_BAND_2GHZ], &wl1271_band_2ghz, | |
6100 | sizeof(wl1271_band_2ghz)); | |
bfb92ca1 EP |
6101 | memcpy(&wl->bands[IEEE80211_BAND_2GHZ].ht_cap, |
6102 | &wl->ht_cap[IEEE80211_BAND_2GHZ], | |
6103 | sizeof(*wl->ht_cap)); | |
a8aaaf53 LC |
6104 | memcpy(&wl->bands[IEEE80211_BAND_5GHZ], &wl1271_band_5ghz, |
6105 | sizeof(wl1271_band_5ghz)); | |
bfb92ca1 EP |
6106 | memcpy(&wl->bands[IEEE80211_BAND_5GHZ].ht_cap, |
6107 | &wl->ht_cap[IEEE80211_BAND_5GHZ], | |
6108 | sizeof(*wl->ht_cap)); | |
a8aaaf53 LC |
6109 | |
6110 | wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = | |
6111 | &wl->bands[IEEE80211_BAND_2GHZ]; | |
6112 | wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = | |
6113 | &wl->bands[IEEE80211_BAND_5GHZ]; | |
1ebec3d7 | 6114 | |
1c33db78 AN |
6115 | /* |
6116 | * allow 4 queues per mac address we support + | |
6117 | * 1 cab queue per mac + one global offchannel Tx queue | |
6118 | */ | |
6119 | wl->hw->queues = (NUM_TX_QUEUES + 1) * WLCORE_NUM_MAC_ADDRESSES + 1; | |
6120 | ||
6121 | /* the last queue is the offchannel queue */ | |
6122 | wl->hw->offchannel_tx_hw_queue = wl->hw->queues - 1; | |
31627dc5 | 6123 | wl->hw->max_rates = 1; |
12bd8949 | 6124 | |
b7417d93 JO |
6125 | wl->hw->wiphy->reg_notifier = wl1271_reg_notify; |
6126 | ||
9c1b190b AN |
6127 | /* the FW answers probe-requests in AP-mode */ |
6128 | wl->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; | |
6129 | wl->hw->wiphy->probe_resp_offload = | |
6130 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | | |
6131 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | | |
6132 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; | |
6133 | ||
bcab320b | 6134 | /* allowed interface combinations */ |
abf0b249 EP |
6135 | wl->hw->wiphy->iface_combinations = wl->iface_combinations; |
6136 | wl->hw->wiphy->n_iface_combinations = wl->n_iface_combinations; | |
bcab320b | 6137 | |
d8c5a48d EP |
6138 | /* register vendor commands */ |
6139 | wlcore_set_vendor_commands(wl->hw->wiphy); | |
6140 | ||
a390e85c | 6141 | SET_IEEE80211_DEV(wl->hw, wl->dev); |
f5fc0f86 | 6142 | |
f84f7d78 | 6143 | wl->hw->sta_data_size = sizeof(struct wl1271_station); |
87fbcb0f | 6144 | wl->hw->vif_data_size = sizeof(struct wl12xx_vif); |
f84f7d78 | 6145 | |
ba421f8f | 6146 | wl->hw->max_rx_aggregation_subframes = wl->conf.ht.rx_ba_win_size; |
4c9cfa78 | 6147 | |
f5fc0f86 LC |
6148 | return 0; |
6149 | } | |
6150 | ||
c50a2825 EP |
6151 | struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size, u32 aggr_buf_size, |
6152 | u32 mbox_size) | |
f5fc0f86 | 6153 | { |
f5fc0f86 LC |
6154 | struct ieee80211_hw *hw; |
6155 | struct wl1271 *wl; | |
a8c0ddb5 | 6156 | int i, j, ret; |
1f37cbc9 | 6157 | unsigned int order; |
f5fc0f86 LC |
6158 | |
6159 | hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops); | |
6160 | if (!hw) { | |
6161 | wl1271_error("could not alloc ieee80211_hw"); | |
a1dd8187 | 6162 | ret = -ENOMEM; |
3b56dd6a TP |
6163 | goto err_hw_alloc; |
6164 | } | |
6165 | ||
f5fc0f86 LC |
6166 | wl = hw->priv; |
6167 | memset(wl, 0, sizeof(*wl)); | |
6168 | ||
96e0c683 AN |
6169 | wl->priv = kzalloc(priv_size, GFP_KERNEL); |
6170 | if (!wl->priv) { | |
6171 | wl1271_error("could not alloc wl priv"); | |
6172 | ret = -ENOMEM; | |
6173 | goto err_priv_alloc; | |
6174 | } | |
6175 | ||
87627214 | 6176 | INIT_LIST_HEAD(&wl->wlvif_list); |
01c09162 | 6177 | |
f5fc0f86 | 6178 | wl->hw = hw; |
f5fc0f86 | 6179 | |
da08fdfa EP |
6180 | /* |
6181 | * wl->num_links is not configured yet, so just use WLCORE_MAX_LINKS. | |
6182 | * we don't allocate any additional resource here, so that's fine. | |
6183 | */ | |
a8c0ddb5 | 6184 | for (i = 0; i < NUM_TX_QUEUES; i++) |
da08fdfa | 6185 | for (j = 0; j < WLCORE_MAX_LINKS; j++) |
a8c0ddb5 AN |
6186 | skb_queue_head_init(&wl->links[j].tx_queue[i]); |
6187 | ||
a620865e IY |
6188 | skb_queue_head_init(&wl->deferred_rx_queue); |
6189 | skb_queue_head_init(&wl->deferred_tx_queue); | |
6190 | ||
37b70a81 | 6191 | INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work); |
a620865e | 6192 | INIT_WORK(&wl->netstack_work, wl1271_netstack_work); |
117b38d0 JO |
6193 | INIT_WORK(&wl->tx_work, wl1271_tx_work); |
6194 | INIT_WORK(&wl->recovery_work, wl1271_recovery_work); | |
6195 | INIT_DELAYED_WORK(&wl->scan_complete_work, wl1271_scan_complete_work); | |
dabf37db | 6196 | INIT_DELAYED_WORK(&wl->roc_complete_work, wlcore_roc_complete_work); |
55df5afb | 6197 | INIT_DELAYED_WORK(&wl->tx_watchdog_work, wl12xx_tx_watchdog_work); |
77ddaa10 | 6198 | |
92ef8960 EP |
6199 | wl->freezable_wq = create_freezable_workqueue("wl12xx_wq"); |
6200 | if (!wl->freezable_wq) { | |
6201 | ret = -ENOMEM; | |
6202 | goto err_hw; | |
6203 | } | |
6204 | ||
8f6ac537 | 6205 | wl->channel = 0; |
f5fc0f86 | 6206 | wl->rx_counter = 0; |
f5fc0f86 | 6207 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
8a5a37a6 | 6208 | wl->band = IEEE80211_BAND_2GHZ; |
83d08d3f | 6209 | wl->channel_type = NL80211_CHAN_NO_HT; |
830fb67b | 6210 | wl->flags = 0; |
7fc3a864 | 6211 | wl->sg_enabled = true; |
66340e5b | 6212 | wl->sleep_auth = WL1271_PSM_ILLEGAL; |
c108c905 | 6213 | wl->recovery_count = 0; |
d717fd61 | 6214 | wl->hw_pg_ver = -1; |
b622d992 AN |
6215 | wl->ap_ps_map = 0; |
6216 | wl->ap_fw_ps_map = 0; | |
606ea9fa | 6217 | wl->quirks = 0; |
f4df1bd5 | 6218 | wl->system_hlid = WL12XX_SYSTEM_HLID; |
da03209e | 6219 | wl->active_sta_count = 0; |
9a100968 | 6220 | wl->active_link_count = 0; |
95dac04f | 6221 | wl->fwlog_size = 0; |
f5fc0f86 | 6222 | |
f4df1bd5 EP |
6223 | /* The system link is always allocated */ |
6224 | __set_bit(WL12XX_SYSTEM_HLID, wl->links_map); | |
6225 | ||
25eeb9e3 | 6226 | memset(wl->tx_frames_map, 0, sizeof(wl->tx_frames_map)); |
72b0624f | 6227 | for (i = 0; i < wl->num_tx_desc; i++) |
f5fc0f86 LC |
6228 | wl->tx_frames[i] = NULL; |
6229 | ||
6230 | spin_lock_init(&wl->wl_lock); | |
6231 | ||
4cc53383 | 6232 | wl->state = WLCORE_STATE_OFF; |
3fcdab70 | 6233 | wl->fw_type = WL12XX_FW_TYPE_NONE; |
f5fc0f86 | 6234 | mutex_init(&wl->mutex); |
2c38849f | 6235 | mutex_init(&wl->flush_mutex); |
6f8d6b20 | 6236 | init_completion(&wl->nvs_loading_complete); |
f5fc0f86 | 6237 | |
26a309c7 | 6238 | order = get_order(aggr_buf_size); |
1f37cbc9 IY |
6239 | wl->aggr_buf = (u8 *)__get_free_pages(GFP_KERNEL, order); |
6240 | if (!wl->aggr_buf) { | |
6241 | ret = -ENOMEM; | |
92ef8960 | 6242 | goto err_wq; |
1f37cbc9 | 6243 | } |
26a309c7 | 6244 | wl->aggr_buf_size = aggr_buf_size; |
1f37cbc9 | 6245 | |
990f5de7 IY |
6246 | wl->dummy_packet = wl12xx_alloc_dummy_packet(wl); |
6247 | if (!wl->dummy_packet) { | |
6248 | ret = -ENOMEM; | |
6249 | goto err_aggr; | |
6250 | } | |
6251 | ||
95dac04f IY |
6252 | /* Allocate one page for the FW log */ |
6253 | wl->fwlog = (u8 *)get_zeroed_page(GFP_KERNEL); | |
6254 | if (!wl->fwlog) { | |
6255 | ret = -ENOMEM; | |
6256 | goto err_dummy_packet; | |
6257 | } | |
6258 | ||
c50a2825 EP |
6259 | wl->mbox_size = mbox_size; |
6260 | wl->mbox = kmalloc(wl->mbox_size, GFP_KERNEL | GFP_DMA); | |
690142e9 MG |
6261 | if (!wl->mbox) { |
6262 | ret = -ENOMEM; | |
6263 | goto err_fwlog; | |
6264 | } | |
6265 | ||
2e07d028 IY |
6266 | wl->buffer_32 = kmalloc(sizeof(*wl->buffer_32), GFP_KERNEL); |
6267 | if (!wl->buffer_32) { | |
6268 | ret = -ENOMEM; | |
6269 | goto err_mbox; | |
6270 | } | |
6271 | ||
c332a4b8 | 6272 | return hw; |
a1dd8187 | 6273 | |
2e07d028 IY |
6274 | err_mbox: |
6275 | kfree(wl->mbox); | |
6276 | ||
690142e9 MG |
6277 | err_fwlog: |
6278 | free_page((unsigned long)wl->fwlog); | |
6279 | ||
990f5de7 IY |
6280 | err_dummy_packet: |
6281 | dev_kfree_skb(wl->dummy_packet); | |
6282 | ||
1f37cbc9 IY |
6283 | err_aggr: |
6284 | free_pages((unsigned long)wl->aggr_buf, order); | |
6285 | ||
92ef8960 EP |
6286 | err_wq: |
6287 | destroy_workqueue(wl->freezable_wq); | |
6288 | ||
a1dd8187 | 6289 | err_hw: |
3b56dd6a | 6290 | wl1271_debugfs_exit(wl); |
96e0c683 AN |
6291 | kfree(wl->priv); |
6292 | ||
6293 | err_priv_alloc: | |
3b56dd6a TP |
6294 | ieee80211_free_hw(hw); |
6295 | ||
6296 | err_hw_alloc: | |
a1dd8187 | 6297 | |
a1dd8187 | 6298 | return ERR_PTR(ret); |
c332a4b8 | 6299 | } |
ffeb501c | 6300 | EXPORT_SYMBOL_GPL(wlcore_alloc_hw); |
c332a4b8 | 6301 | |
ffeb501c | 6302 | int wlcore_free_hw(struct wl1271 *wl) |
c332a4b8 | 6303 | { |
95dac04f IY |
6304 | /* Unblock any fwlog readers */ |
6305 | mutex_lock(&wl->mutex); | |
6306 | wl->fwlog_size = -1; | |
95dac04f IY |
6307 | mutex_unlock(&wl->mutex); |
6308 | ||
33cab57a | 6309 | wlcore_sysfs_free(wl); |
6f07b72a | 6310 | |
2e07d028 | 6311 | kfree(wl->buffer_32); |
a8e27820 | 6312 | kfree(wl->mbox); |
95dac04f | 6313 | free_page((unsigned long)wl->fwlog); |
990f5de7 | 6314 | dev_kfree_skb(wl->dummy_packet); |
26a309c7 | 6315 | free_pages((unsigned long)wl->aggr_buf, get_order(wl->aggr_buf_size)); |
c332a4b8 TP |
6316 | |
6317 | wl1271_debugfs_exit(wl); | |
6318 | ||
c332a4b8 TP |
6319 | vfree(wl->fw); |
6320 | wl->fw = NULL; | |
3fcdab70 | 6321 | wl->fw_type = WL12XX_FW_TYPE_NONE; |
c332a4b8 TP |
6322 | kfree(wl->nvs); |
6323 | wl->nvs = NULL; | |
6324 | ||
75fb4df7 EP |
6325 | kfree(wl->raw_fw_status); |
6326 | kfree(wl->fw_status); | |
c332a4b8 | 6327 | kfree(wl->tx_res_if); |
92ef8960 | 6328 | destroy_workqueue(wl->freezable_wq); |
c332a4b8 | 6329 | |
96e0c683 | 6330 | kfree(wl->priv); |
c332a4b8 TP |
6331 | ieee80211_free_hw(wl->hw); |
6332 | ||
6333 | return 0; | |
6334 | } | |
ffeb501c | 6335 | EXPORT_SYMBOL_GPL(wlcore_free_hw); |
50b3eb4b | 6336 | |
964dc9e2 JB |
6337 | #ifdef CONFIG_PM |
6338 | static const struct wiphy_wowlan_support wlcore_wowlan_support = { | |
6339 | .flags = WIPHY_WOWLAN_ANY, | |
6340 | .n_patterns = WL1271_MAX_RX_FILTERS, | |
6341 | .pattern_min_len = 1, | |
6342 | .pattern_max_len = WL1271_RX_FILTER_MAX_PATTERN_SIZE, | |
6343 | }; | |
6344 | #endif | |
6345 | ||
f2cede49 AN |
6346 | static irqreturn_t wlcore_hardirq(int irq, void *cookie) |
6347 | { | |
6348 | return IRQ_WAKE_THREAD; | |
6349 | } | |
6350 | ||
6f8d6b20 | 6351 | static void wlcore_nvs_cb(const struct firmware *fw, void *context) |
ce2a217c | 6352 | { |
6f8d6b20 IY |
6353 | struct wl1271 *wl = context; |
6354 | struct platform_device *pdev = wl->pdev; | |
90650625 | 6355 | struct wlcore_platdev_data *pdev_data = dev_get_platdata(&pdev->dev); |
6f921fab LC |
6356 | struct resource *res; |
6357 | ||
ffeb501c | 6358 | int ret; |
f2cede49 | 6359 | irq_handler_t hardirq_fn = NULL; |
a390e85c | 6360 | |
6f8d6b20 IY |
6361 | if (fw) { |
6362 | wl->nvs = kmemdup(fw->data, fw->size, GFP_KERNEL); | |
6363 | if (!wl->nvs) { | |
6364 | wl1271_error("Could not allocate nvs data"); | |
6365 | goto out; | |
6366 | } | |
6367 | wl->nvs_len = fw->size; | |
6368 | } else { | |
6369 | wl1271_debug(DEBUG_BOOT, "Could not get nvs file %s", | |
6370 | WL12XX_NVS_NAME); | |
6371 | wl->nvs = NULL; | |
6372 | wl->nvs_len = 0; | |
a390e85c FB |
6373 | } |
6374 | ||
3992eb2b IY |
6375 | ret = wl->ops->setup(wl); |
6376 | if (ret < 0) | |
6f8d6b20 | 6377 | goto out_free_nvs; |
3992eb2b | 6378 | |
72b0624f AN |
6379 | BUG_ON(wl->num_tx_desc > WLCORE_MAX_TX_DESCRIPTORS); |
6380 | ||
e87288f0 LC |
6381 | /* adjust some runtime configuration parameters */ |
6382 | wlcore_adjust_conf(wl); | |
6383 | ||
6f921fab LC |
6384 | res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); |
6385 | if (!res) { | |
6386 | wl1271_error("Could not get IRQ resource"); | |
6387 | goto out_free_nvs; | |
6388 | } | |
6389 | ||
6390 | wl->irq = res->start; | |
6391 | wl->irq_flags = res->flags & IRQF_TRIGGER_MASK; | |
afb43e6d | 6392 | wl->if_ops = pdev_data->if_ops; |
a390e85c | 6393 | |
6f921fab | 6394 | if (wl->irq_flags & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING)) |
f2cede49 | 6395 | hardirq_fn = wlcore_hardirq; |
6f921fab LC |
6396 | else |
6397 | wl->irq_flags |= IRQF_ONESHOT; | |
a390e85c | 6398 | |
bd763482 ER |
6399 | ret = wl12xx_set_power_on(wl); |
6400 | if (ret < 0) | |
6401 | goto out_free_nvs; | |
6402 | ||
6403 | ret = wl12xx_get_hw_info(wl); | |
6404 | if (ret < 0) { | |
6405 | wl1271_error("couldn't get hw info"); | |
6406 | wl1271_power_off(wl); | |
6407 | goto out_free_nvs; | |
6408 | } | |
6409 | ||
f2cede49 | 6410 | ret = request_threaded_irq(wl->irq, hardirq_fn, wlcore_irq, |
6f921fab | 6411 | wl->irq_flags, pdev->name, wl); |
a390e85c | 6412 | if (ret < 0) { |
bd763482 ER |
6413 | wl1271_error("interrupt configuration failed"); |
6414 | wl1271_power_off(wl); | |
6f8d6b20 | 6415 | goto out_free_nvs; |
a390e85c FB |
6416 | } |
6417 | ||
dfb89c56 | 6418 | #ifdef CONFIG_PM |
a390e85c FB |
6419 | ret = enable_irq_wake(wl->irq); |
6420 | if (!ret) { | |
6421 | wl->irq_wake_enabled = true; | |
6422 | device_init_wakeup(wl->dev, 1); | |
83c3a7d4 | 6423 | if (pdev_data->pwr_in_suspend) |
964dc9e2 | 6424 | wl->hw->wiphy->wowlan = &wlcore_wowlan_support; |
a390e85c | 6425 | } |
dfb89c56 | 6426 | #endif |
a390e85c | 6427 | disable_irq(wl->irq); |
bd763482 | 6428 | wl1271_power_off(wl); |
4afc37a0 LC |
6429 | |
6430 | ret = wl->ops->identify_chip(wl); | |
6431 | if (ret < 0) | |
8b425e62 | 6432 | goto out_irq; |
4afc37a0 | 6433 | |
a390e85c FB |
6434 | ret = wl1271_init_ieee80211(wl); |
6435 | if (ret) | |
6436 | goto out_irq; | |
6437 | ||
6438 | ret = wl1271_register_hw(wl); | |
6439 | if (ret) | |
6440 | goto out_irq; | |
6441 | ||
33cab57a LC |
6442 | ret = wlcore_sysfs_init(wl); |
6443 | if (ret) | |
8b425e62 | 6444 | goto out_unreg; |
f79f890c | 6445 | |
6f8d6b20 | 6446 | wl->initialized = true; |
ffeb501c | 6447 | goto out; |
a390e85c | 6448 | |
8b425e62 LC |
6449 | out_unreg: |
6450 | wl1271_unregister_hw(wl); | |
6451 | ||
a390e85c FB |
6452 | out_irq: |
6453 | free_irq(wl->irq, wl); | |
6454 | ||
6f8d6b20 IY |
6455 | out_free_nvs: |
6456 | kfree(wl->nvs); | |
6457 | ||
a390e85c | 6458 | out: |
6f8d6b20 IY |
6459 | release_firmware(fw); |
6460 | complete_all(&wl->nvs_loading_complete); | |
6461 | } | |
6462 | ||
b74324d1 | 6463 | int wlcore_probe(struct wl1271 *wl, struct platform_device *pdev) |
6f8d6b20 IY |
6464 | { |
6465 | int ret; | |
6466 | ||
6467 | if (!wl->ops || !wl->ptable) | |
6468 | return -EINVAL; | |
6469 | ||
6470 | wl->dev = &pdev->dev; | |
6471 | wl->pdev = pdev; | |
6472 | platform_set_drvdata(pdev, wl); | |
6473 | ||
6474 | ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG, | |
6475 | WL12XX_NVS_NAME, &pdev->dev, GFP_KERNEL, | |
6476 | wl, wlcore_nvs_cb); | |
6477 | if (ret < 0) { | |
6478 | wl1271_error("request_firmware_nowait failed: %d", ret); | |
6479 | complete_all(&wl->nvs_loading_complete); | |
6480 | } | |
6481 | ||
a390e85c | 6482 | return ret; |
ce2a217c | 6483 | } |
b2ba99ff | 6484 | EXPORT_SYMBOL_GPL(wlcore_probe); |
ce2a217c | 6485 | |
b74324d1 | 6486 | int wlcore_remove(struct platform_device *pdev) |
ce2a217c | 6487 | { |
a390e85c FB |
6488 | struct wl1271 *wl = platform_get_drvdata(pdev); |
6489 | ||
6f8d6b20 IY |
6490 | wait_for_completion(&wl->nvs_loading_complete); |
6491 | if (!wl->initialized) | |
6492 | return 0; | |
6493 | ||
a390e85c FB |
6494 | if (wl->irq_wake_enabled) { |
6495 | device_init_wakeup(wl->dev, 0); | |
6496 | disable_irq_wake(wl->irq); | |
6497 | } | |
6498 | wl1271_unregister_hw(wl); | |
6499 | free_irq(wl->irq, wl); | |
ffeb501c | 6500 | wlcore_free_hw(wl); |
a390e85c | 6501 | |
ce2a217c FB |
6502 | return 0; |
6503 | } | |
b2ba99ff | 6504 | EXPORT_SYMBOL_GPL(wlcore_remove); |
ce2a217c | 6505 | |
491bbd6b | 6506 | u32 wl12xx_debug_level = DEBUG_NONE; |
17c1755c | 6507 | EXPORT_SYMBOL_GPL(wl12xx_debug_level); |
491bbd6b | 6508 | module_param_named(debug_level, wl12xx_debug_level, uint, S_IRUSR | S_IWUSR); |
17c1755c EP |
6509 | MODULE_PARM_DESC(debug_level, "wl12xx debugging level"); |
6510 | ||
95dac04f | 6511 | module_param_named(fwlog, fwlog_param, charp, 0); |
2c882fa4 | 6512 | MODULE_PARM_DESC(fwlog, |
3719c17e | 6513 | "FW logger options: continuous, dbgpins or disable"); |
95dac04f | 6514 | |
93ac8488 IR |
6515 | module_param(fwlog_mem_blocks, int, S_IRUSR | S_IWUSR); |
6516 | MODULE_PARM_DESC(fwlog_mem_blocks, "fwlog mem_blocks"); | |
6517 | ||
7230341f | 6518 | module_param(bug_on_recovery, int, S_IRUSR | S_IWUSR); |
2a5bff09 EP |
6519 | MODULE_PARM_DESC(bug_on_recovery, "BUG() on fw recovery"); |
6520 | ||
7230341f | 6521 | module_param(no_recovery, int, S_IRUSR | S_IWUSR); |
34785be5 AN |
6522 | MODULE_PARM_DESC(no_recovery, "Prevent HW recovery. FW will remain stuck."); |
6523 | ||
50b3eb4b | 6524 | MODULE_LICENSE("GPL"); |
b1a48cab | 6525 | MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>"); |
50b3eb4b | 6526 | MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); |
0635ad45 | 6527 | MODULE_FIRMWARE(WL12XX_NVS_NAME); |