]>
Commit | Line | Data |
---|---|---|
f1d63a59 | 1 | |
f5fc0f86 | 2 | /* |
8f6ac537 | 3 | * This file is part of wlcore |
f5fc0f86 | 4 | * |
8bf29b0e | 5 | * Copyright (C) 2008-2010 Nokia Corporation |
8f6ac537 | 6 | * Copyright (C) 2011-2013 Texas Instruments Inc. |
f5fc0f86 LC |
7 | * |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License | |
10 | * version 2 as published by the Free Software Foundation. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
20 | * 02110-1301 USA | |
21 | * | |
22 | */ | |
23 | ||
24 | #include <linux/module.h> | |
f5fc0f86 | 25 | #include <linux/firmware.h> |
f5fc0f86 | 26 | #include <linux/etherdevice.h> |
1fba4974 | 27 | #include <linux/vmalloc.h> |
a390e85c | 28 | #include <linux/interrupt.h> |
6f921fab | 29 | #include <linux/irq.h> |
f5fc0f86 | 30 | |
c31be25a | 31 | #include "wlcore.h" |
0f4e3122 | 32 | #include "debug.h" |
f5fc0f86 | 33 | #include "wl12xx_80211.h" |
00d20100 | 34 | #include "io.h" |
00d20100 | 35 | #include "tx.h" |
00d20100 SL |
36 | #include "ps.h" |
37 | #include "init.h" | |
38 | #include "debugfs.h" | |
00d20100 | 39 | #include "testmode.h" |
d8c5a48d | 40 | #include "vendor_cmd.h" |
00d20100 | 41 | #include "scan.h" |
53d67a50 | 42 | #include "hw_ops.h" |
33cab57a | 43 | #include "sysfs.h" |
f5fc0f86 | 44 | |
9ccd9217 JO |
45 | #define WL1271_BOOT_RETRIES 3 |
46 | ||
95dac04f | 47 | static char *fwlog_param; |
93ac8488 | 48 | static int fwlog_mem_blocks = -1; |
7230341f YS |
49 | static int bug_on_recovery = -1; |
50 | static int no_recovery = -1; | |
95dac04f | 51 | |
7dece1c8 | 52 | static void __wl1271_op_remove_interface(struct wl1271 *wl, |
536129c8 | 53 | struct ieee80211_vif *vif, |
7dece1c8 | 54 | bool reset_tx_queues); |
c24ec83b | 55 | static void wlcore_op_stop_locked(struct wl1271 *wl); |
170d0e67 | 56 | static void wl1271_free_ap_keys(struct wl1271 *wl, struct wl12xx_vif *wlvif); |
52b0e7a6 | 57 | |
8f6ac537 | 58 | static int wl12xx_set_authorized(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
ef4b29e9 EP |
59 | { |
60 | int ret; | |
0603d891 | 61 | |
9fd6f21b EP |
62 | if (WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS)) |
63 | return -EINVAL; | |
64 | ||
65 | if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) | |
ef4b29e9 EP |
66 | return 0; |
67 | ||
8181aecc | 68 | if (test_and_set_bit(WLVIF_FLAG_STA_STATE_SENT, &wlvif->flags)) |
ef4b29e9 EP |
69 | return 0; |
70 | ||
d50529c0 | 71 | ret = wl12xx_cmd_set_peer_state(wl, wlvif, wlvif->sta.hlid); |
ef4b29e9 EP |
72 | if (ret < 0) |
73 | return ret; | |
74 | ||
75 | wl1271_info("Association completed."); | |
76 | return 0; | |
77 | } | |
c2c192ac | 78 | |
0c0280bd LR |
79 | static void wl1271_reg_notify(struct wiphy *wiphy, |
80 | struct regulatory_request *request) | |
573c67cf | 81 | { |
6b70e7eb VG |
82 | struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); |
83 | struct wl1271 *wl = hw->priv; | |
b7417d93 | 84 | |
1cd91b2c GM |
85 | /* copy the current dfs region */ |
86 | if (request) | |
87 | wl->dfs_region = request->dfs_region; | |
88 | ||
75592be5 | 89 | wlcore_regdomain_config(wl); |
b7417d93 JO |
90 | } |
91 | ||
9eb599e9 EP |
92 | static int wl1271_set_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
93 | bool enable) | |
77ddaa10 EP |
94 | { |
95 | int ret = 0; | |
96 | ||
97 | /* we should hold wl->mutex */ | |
9eb599e9 | 98 | ret = wl1271_acx_ps_rx_streaming(wl, wlvif, enable); |
77ddaa10 EP |
99 | if (ret < 0) |
100 | goto out; | |
101 | ||
102 | if (enable) | |
0744bdb6 | 103 | set_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags); |
77ddaa10 | 104 | else |
0744bdb6 | 105 | clear_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags); |
77ddaa10 EP |
106 | out: |
107 | return ret; | |
108 | } | |
109 | ||
110 | /* | |
111 | * this function is being called when the rx_streaming interval | |
112 | * has beed changed or rx_streaming should be disabled | |
113 | */ | |
9eb599e9 | 114 | int wl1271_recalc_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
77ddaa10 EP |
115 | { |
116 | int ret = 0; | |
117 | int period = wl->conf.rx_streaming.interval; | |
118 | ||
119 | /* don't reconfigure if rx_streaming is disabled */ | |
0744bdb6 | 120 | if (!test_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags)) |
77ddaa10 EP |
121 | goto out; |
122 | ||
123 | /* reconfigure/disable according to new streaming_period */ | |
124 | if (period && | |
ba8447f6 | 125 | test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) && |
77ddaa10 EP |
126 | (wl->conf.rx_streaming.always || |
127 | test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) | |
9eb599e9 | 128 | ret = wl1271_set_rx_streaming(wl, wlvif, true); |
77ddaa10 | 129 | else { |
9eb599e9 | 130 | ret = wl1271_set_rx_streaming(wl, wlvif, false); |
77ddaa10 | 131 | /* don't cancel_work_sync since we might deadlock */ |
9eb599e9 | 132 | del_timer_sync(&wlvif->rx_streaming_timer); |
77ddaa10 EP |
133 | } |
134 | out: | |
135 | return ret; | |
136 | } | |
137 | ||
138 | static void wl1271_rx_streaming_enable_work(struct work_struct *work) | |
139 | { | |
140 | int ret; | |
9eb599e9 EP |
141 | struct wl12xx_vif *wlvif = container_of(work, struct wl12xx_vif, |
142 | rx_streaming_enable_work); | |
143 | struct wl1271 *wl = wlvif->wl; | |
77ddaa10 EP |
144 | |
145 | mutex_lock(&wl->mutex); | |
146 | ||
0744bdb6 | 147 | if (test_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags) || |
ba8447f6 | 148 | !test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) || |
77ddaa10 EP |
149 | (!wl->conf.rx_streaming.always && |
150 | !test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) | |
151 | goto out; | |
152 | ||
153 | if (!wl->conf.rx_streaming.interval) | |
154 | goto out; | |
155 | ||
156 | ret = wl1271_ps_elp_wakeup(wl); | |
157 | if (ret < 0) | |
158 | goto out; | |
159 | ||
9eb599e9 | 160 | ret = wl1271_set_rx_streaming(wl, wlvif, true); |
77ddaa10 EP |
161 | if (ret < 0) |
162 | goto out_sleep; | |
163 | ||
164 | /* stop it after some time of inactivity */ | |
9eb599e9 | 165 | mod_timer(&wlvif->rx_streaming_timer, |
77ddaa10 EP |
166 | jiffies + msecs_to_jiffies(wl->conf.rx_streaming.duration)); |
167 | ||
168 | out_sleep: | |
169 | wl1271_ps_elp_sleep(wl); | |
170 | out: | |
171 | mutex_unlock(&wl->mutex); | |
172 | } | |
173 | ||
174 | static void wl1271_rx_streaming_disable_work(struct work_struct *work) | |
175 | { | |
176 | int ret; | |
9eb599e9 EP |
177 | struct wl12xx_vif *wlvif = container_of(work, struct wl12xx_vif, |
178 | rx_streaming_disable_work); | |
179 | struct wl1271 *wl = wlvif->wl; | |
77ddaa10 EP |
180 | |
181 | mutex_lock(&wl->mutex); | |
182 | ||
0744bdb6 | 183 | if (!test_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags)) |
77ddaa10 EP |
184 | goto out; |
185 | ||
186 | ret = wl1271_ps_elp_wakeup(wl); | |
187 | if (ret < 0) | |
188 | goto out; | |
189 | ||
9eb599e9 | 190 | ret = wl1271_set_rx_streaming(wl, wlvif, false); |
77ddaa10 EP |
191 | if (ret) |
192 | goto out_sleep; | |
193 | ||
194 | out_sleep: | |
195 | wl1271_ps_elp_sleep(wl); | |
196 | out: | |
197 | mutex_unlock(&wl->mutex); | |
198 | } | |
199 | ||
200 | static void wl1271_rx_streaming_timer(unsigned long data) | |
201 | { | |
9eb599e9 EP |
202 | struct wl12xx_vif *wlvif = (struct wl12xx_vif *)data; |
203 | struct wl1271 *wl = wlvif->wl; | |
204 | ieee80211_queue_work(wl->hw, &wlvif->rx_streaming_disable_work); | |
77ddaa10 EP |
205 | } |
206 | ||
55df5afb AN |
207 | /* wl->mutex must be taken */ |
208 | void wl12xx_rearm_tx_watchdog_locked(struct wl1271 *wl) | |
209 | { | |
210 | /* if the watchdog is not armed, don't do anything */ | |
211 | if (wl->tx_allocated_blocks == 0) | |
212 | return; | |
213 | ||
214 | cancel_delayed_work(&wl->tx_watchdog_work); | |
215 | ieee80211_queue_delayed_work(wl->hw, &wl->tx_watchdog_work, | |
216 | msecs_to_jiffies(wl->conf.tx.tx_watchdog_timeout)); | |
217 | } | |
218 | ||
7d3b29e5 EP |
219 | static void wlcore_rc_update_work(struct work_struct *work) |
220 | { | |
221 | int ret; | |
222 | struct wl12xx_vif *wlvif = container_of(work, struct wl12xx_vif, | |
223 | rc_update_work); | |
224 | struct wl1271 *wl = wlvif->wl; | |
225 | ||
226 | mutex_lock(&wl->mutex); | |
227 | ||
228 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
229 | goto out; | |
230 | ||
231 | ret = wl1271_ps_elp_wakeup(wl); | |
232 | if (ret < 0) | |
233 | goto out; | |
234 | ||
235 | wlcore_hw_sta_rc_update(wl, wlvif); | |
236 | ||
237 | wl1271_ps_elp_sleep(wl); | |
238 | out: | |
239 | mutex_unlock(&wl->mutex); | |
240 | } | |
241 | ||
55df5afb AN |
242 | static void wl12xx_tx_watchdog_work(struct work_struct *work) |
243 | { | |
244 | struct delayed_work *dwork; | |
245 | struct wl1271 *wl; | |
246 | ||
247 | dwork = container_of(work, struct delayed_work, work); | |
248 | wl = container_of(dwork, struct wl1271, tx_watchdog_work); | |
249 | ||
250 | mutex_lock(&wl->mutex); | |
251 | ||
4cc53383 | 252 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
55df5afb AN |
253 | goto out; |
254 | ||
255 | /* Tx went out in the meantime - everything is ok */ | |
256 | if (unlikely(wl->tx_allocated_blocks == 0)) | |
257 | goto out; | |
258 | ||
259 | /* | |
260 | * if a ROC is in progress, we might not have any Tx for a long | |
261 | * time (e.g. pending Tx on the non-ROC channels) | |
262 | */ | |
263 | if (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) < WL12XX_MAX_ROLES) { | |
264 | wl1271_debug(DEBUG_TX, "No Tx (in FW) for %d ms due to ROC", | |
265 | wl->conf.tx.tx_watchdog_timeout); | |
266 | wl12xx_rearm_tx_watchdog_locked(wl); | |
267 | goto out; | |
268 | } | |
269 | ||
270 | /* | |
271 | * if a scan is in progress, we might not have any Tx for a long | |
272 | * time | |
273 | */ | |
274 | if (wl->scan.state != WL1271_SCAN_STATE_IDLE) { | |
275 | wl1271_debug(DEBUG_TX, "No Tx (in FW) for %d ms due to scan", | |
276 | wl->conf.tx.tx_watchdog_timeout); | |
277 | wl12xx_rearm_tx_watchdog_locked(wl); | |
278 | goto out; | |
279 | } | |
280 | ||
281 | /* | |
282 | * AP might cache a frame for a long time for a sleeping station, | |
283 | * so rearm the timer if there's an AP interface with stations. If | |
284 | * Tx is genuinely stuck we will most hopefully discover it when all | |
285 | * stations are removed due to inactivity. | |
286 | */ | |
287 | if (wl->active_sta_count) { | |
288 | wl1271_debug(DEBUG_TX, "No Tx (in FW) for %d ms. AP has " | |
289 | " %d stations", | |
290 | wl->conf.tx.tx_watchdog_timeout, | |
291 | wl->active_sta_count); | |
292 | wl12xx_rearm_tx_watchdog_locked(wl); | |
293 | goto out; | |
294 | } | |
295 | ||
296 | wl1271_error("Tx stuck (in FW) for %d ms. Starting recovery", | |
297 | wl->conf.tx.tx_watchdog_timeout); | |
298 | wl12xx_queue_recovery_work(wl); | |
299 | ||
300 | out: | |
301 | mutex_unlock(&wl->mutex); | |
302 | } | |
303 | ||
e87288f0 | 304 | static void wlcore_adjust_conf(struct wl1271 *wl) |
8a08048a | 305 | { |
95dac04f | 306 | /* Adjust settings according to optional module parameters */ |
7230341f | 307 | |
93ac8488 IR |
308 | /* Firmware Logger params */ |
309 | if (fwlog_mem_blocks != -1) { | |
310 | if (fwlog_mem_blocks >= CONF_FWLOG_MIN_MEM_BLOCKS && | |
311 | fwlog_mem_blocks <= CONF_FWLOG_MAX_MEM_BLOCKS) { | |
312 | wl->conf.fwlog.mem_blocks = fwlog_mem_blocks; | |
313 | } else { | |
314 | wl1271_error( | |
315 | "Illegal fwlog_mem_blocks=%d using default %d", | |
316 | fwlog_mem_blocks, wl->conf.fwlog.mem_blocks); | |
317 | } | |
318 | } | |
319 | ||
95dac04f IY |
320 | if (fwlog_param) { |
321 | if (!strcmp(fwlog_param, "continuous")) { | |
322 | wl->conf.fwlog.mode = WL12XX_FWLOG_CONTINUOUS; | |
323 | } else if (!strcmp(fwlog_param, "ondemand")) { | |
324 | wl->conf.fwlog.mode = WL12XX_FWLOG_ON_DEMAND; | |
325 | } else if (!strcmp(fwlog_param, "dbgpins")) { | |
326 | wl->conf.fwlog.mode = WL12XX_FWLOG_CONTINUOUS; | |
327 | wl->conf.fwlog.output = WL12XX_FWLOG_OUTPUT_DBG_PINS; | |
328 | } else if (!strcmp(fwlog_param, "disable")) { | |
329 | wl->conf.fwlog.mem_blocks = 0; | |
330 | wl->conf.fwlog.output = WL12XX_FWLOG_OUTPUT_NONE; | |
331 | } else { | |
332 | wl1271_error("Unknown fwlog parameter %s", fwlog_param); | |
333 | } | |
334 | } | |
7230341f YS |
335 | |
336 | if (bug_on_recovery != -1) | |
337 | wl->conf.recovery.bug_on_recovery = (u8) bug_on_recovery; | |
338 | ||
339 | if (no_recovery != -1) | |
340 | wl->conf.recovery.no_recovery = (u8) no_recovery; | |
95dac04f | 341 | } |
2b60100b | 342 | |
6e8cd331 EP |
343 | static void wl12xx_irq_ps_regulate_link(struct wl1271 *wl, |
344 | struct wl12xx_vif *wlvif, | |
345 | u8 hlid, u8 tx_pkts) | |
b622d992 | 346 | { |
37c68ea6 | 347 | bool fw_ps; |
b622d992 | 348 | |
5e74b3aa | 349 | fw_ps = test_bit(hlid, &wl->ap_fw_ps_map); |
b622d992 AN |
350 | |
351 | /* | |
352 | * Wake up from high level PS if the STA is asleep with too little | |
9b17f1b3 | 353 | * packets in FW or if the STA is awake. |
b622d992 | 354 | */ |
9b17f1b3 | 355 | if (!fw_ps || tx_pkts < WL1271_PS_STA_MAX_PACKETS) |
6e8cd331 | 356 | wl12xx_ps_link_end(wl, wlvif, hlid); |
b622d992 | 357 | |
da03209e AN |
358 | /* |
359 | * Start high-level PS if the STA is asleep with enough blocks in FW. | |
9a100968 AN |
360 | * Make an exception if this is the only connected link. In this |
361 | * case FW-memory congestion is less of a problem. | |
41ed1a78 EP |
362 | * Note that a single connected STA means 2*ap_count + 1 active links, |
363 | * since we must account for the global and broadcast AP links | |
364 | * for each AP. The "fw_ps" check assures us the other link is a STA | |
365 | * connected to the AP. Otherwise the FW would not set the PSM bit. | |
da03209e | 366 | */ |
41ed1a78 | 367 | else if (wl->active_link_count > (wl->ap_count*2 + 1) && fw_ps && |
37c68ea6 | 368 | tx_pkts >= WL1271_PS_STA_MAX_PACKETS) |
6e8cd331 | 369 | wl12xx_ps_link_start(wl, wlvif, hlid, true); |
b622d992 AN |
370 | } |
371 | ||
9b17f1b3 | 372 | static void wl12xx_irq_update_links_status(struct wl1271 *wl, |
c7ffb902 | 373 | struct wl12xx_vif *wlvif, |
75fb4df7 | 374 | struct wl_fw_status *status) |
b622d992 | 375 | { |
5e74b3aa | 376 | unsigned long cur_fw_ps_map; |
9ebcb232 | 377 | u8 hlid; |
b622d992 | 378 | |
75fb4df7 | 379 | cur_fw_ps_map = status->link_ps_bitmap; |
b622d992 AN |
380 | if (wl->ap_fw_ps_map != cur_fw_ps_map) { |
381 | wl1271_debug(DEBUG_PSM, | |
5e74b3aa | 382 | "link ps prev 0x%lx cur 0x%lx changed 0x%lx", |
b622d992 AN |
383 | wl->ap_fw_ps_map, cur_fw_ps_map, |
384 | wl->ap_fw_ps_map ^ cur_fw_ps_map); | |
385 | ||
386 | wl->ap_fw_ps_map = cur_fw_ps_map; | |
387 | } | |
388 | ||
da08fdfa | 389 | for_each_set_bit(hlid, wlvif->ap.sta_hlid_map, wl->num_links) |
6e8cd331 | 390 | wl12xx_irq_ps_regulate_link(wl, wlvif, hlid, |
9ebcb232 | 391 | wl->links[hlid].allocated_pkts); |
b622d992 AN |
392 | } |
393 | ||
75fb4df7 | 394 | static int wlcore_fw_status(struct wl1271 *wl, struct wl_fw_status *status) |
f5fc0f86 | 395 | { |
6e8cd331 | 396 | struct wl12xx_vif *wlvif; |
ac5e1e39 | 397 | struct timespec ts; |
13b107dd | 398 | u32 old_tx_blk_count = wl->tx_blocks_available; |
4d56ad9c | 399 | int avail, freed_blocks; |
bf54e301 | 400 | int i; |
8b7c0fc3 | 401 | int ret; |
9ebcb232 | 402 | struct wl1271_link *lnk; |
6bac40a6 | 403 | |
75fb4df7 EP |
404 | ret = wlcore_raw_read_data(wl, REG_RAW_FW_STATUS_ADDR, |
405 | wl->raw_fw_status, | |
406 | wl->fw_status_len, false); | |
8b7c0fc3 IY |
407 | if (ret < 0) |
408 | return ret; | |
13b107dd | 409 | |
75fb4df7 EP |
410 | wlcore_hw_convert_fw_status(wl, wl->raw_fw_status, wl->fw_status); |
411 | ||
f5fc0f86 LC |
412 | wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, " |
413 | "drv_rx_counter = %d, tx_results_counter = %d)", | |
75fb4df7 EP |
414 | status->intr, |
415 | status->fw_rx_counter, | |
416 | status->drv_rx_counter, | |
417 | status->tx_results_counter); | |
f5fc0f86 | 418 | |
bf54e301 AN |
419 | for (i = 0; i < NUM_TX_QUEUES; i++) { |
420 | /* prevent wrap-around in freed-packets counter */ | |
742246f8 | 421 | wl->tx_allocated_pkts[i] -= |
75fb4df7 | 422 | (status->counters.tx_released_pkts[i] - |
bf54e301 AN |
423 | wl->tx_pkts_freed[i]) & 0xff; |
424 | ||
75fb4df7 | 425 | wl->tx_pkts_freed[i] = status->counters.tx_released_pkts[i]; |
bf54e301 AN |
426 | } |
427 | ||
9ebcb232 | 428 | |
da08fdfa | 429 | for_each_set_bit(i, wl->links_map, wl->num_links) { |
93d5d100 | 430 | u8 diff; |
9ebcb232 | 431 | lnk = &wl->links[i]; |
93d5d100 | 432 | |
9ebcb232 | 433 | /* prevent wrap-around in freed-packets counter */ |
75fb4df7 | 434 | diff = (status->counters.tx_lnk_free_pkts[i] - |
93d5d100 AN |
435 | lnk->prev_freed_pkts) & 0xff; |
436 | ||
437 | if (diff == 0) | |
438 | continue; | |
9ebcb232 | 439 | |
93d5d100 | 440 | lnk->allocated_pkts -= diff; |
75fb4df7 | 441 | lnk->prev_freed_pkts = status->counters.tx_lnk_free_pkts[i]; |
93d5d100 AN |
442 | |
443 | /* accumulate the prev_freed_pkts counter */ | |
444 | lnk->total_freed_pkts += diff; | |
9ebcb232 AN |
445 | } |
446 | ||
bdf91cfa | 447 | /* prevent wrap-around in total blocks counter */ |
75fb4df7 EP |
448 | if (likely(wl->tx_blocks_freed <= status->total_released_blks)) |
449 | freed_blocks = status->total_released_blks - | |
bdf91cfa AN |
450 | wl->tx_blocks_freed; |
451 | else | |
452 | freed_blocks = 0x100000000LL - wl->tx_blocks_freed + | |
75fb4df7 | 453 | status->total_released_blks; |
bdf91cfa | 454 | |
75fb4df7 | 455 | wl->tx_blocks_freed = status->total_released_blks; |
13b107dd | 456 | |
7bb5d6ce AN |
457 | wl->tx_allocated_blocks -= freed_blocks; |
458 | ||
55df5afb AN |
459 | /* |
460 | * If the FW freed some blocks: | |
461 | * If we still have allocated blocks - re-arm the timer, Tx is | |
462 | * not stuck. Otherwise, cancel the timer (no Tx currently). | |
463 | */ | |
464 | if (freed_blocks) { | |
465 | if (wl->tx_allocated_blocks) | |
466 | wl12xx_rearm_tx_watchdog_locked(wl); | |
467 | else | |
468 | cancel_delayed_work(&wl->tx_watchdog_work); | |
469 | } | |
470 | ||
75fb4df7 | 471 | avail = status->tx_total - wl->tx_allocated_blocks; |
13b107dd | 472 | |
4d56ad9c EP |
473 | /* |
474 | * The FW might change the total number of TX memblocks before | |
475 | * we get a notification about blocks being released. Thus, the | |
476 | * available blocks calculation might yield a temporary result | |
477 | * which is lower than the actual available blocks. Keeping in | |
478 | * mind that only blocks that were allocated can be moved from | |
479 | * TX to RX, tx_blocks_available should never decrease here. | |
480 | */ | |
481 | wl->tx_blocks_available = max((int)wl->tx_blocks_available, | |
482 | avail); | |
f5fc0f86 | 483 | |
a522550a | 484 | /* if more blocks are available now, tx work can be scheduled */ |
13b107dd | 485 | if (wl->tx_blocks_available > old_tx_blk_count) |
a522550a | 486 | clear_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags); |
f5fc0f86 | 487 | |
4d56ad9c | 488 | /* for AP update num of allocated TX blocks per link and ps status */ |
6e8cd331 | 489 | wl12xx_for_each_wlvif_ap(wl, wlvif) { |
75fb4df7 | 490 | wl12xx_irq_update_links_status(wl, wlvif, status); |
6e8cd331 | 491 | } |
4d56ad9c | 492 | |
f5fc0f86 | 493 | /* update the host-chipset time offset */ |
ac5e1e39 JO |
494 | getnstimeofday(&ts); |
495 | wl->time_offset = (timespec_to_ns(&ts) >> 10) - | |
75fb4df7 | 496 | (s64)(status->fw_localtime); |
8b7c0fc3 | 497 | |
75fb4df7 | 498 | wl->fw_fast_lnk_map = status->link_fast_bitmap; |
0e810479 | 499 | |
8b7c0fc3 | 500 | return 0; |
f5fc0f86 LC |
501 | } |
502 | ||
a620865e IY |
503 | static void wl1271_flush_deferred_work(struct wl1271 *wl) |
504 | { | |
505 | struct sk_buff *skb; | |
506 | ||
507 | /* Pass all received frames to the network stack */ | |
508 | while ((skb = skb_dequeue(&wl->deferred_rx_queue))) | |
509 | ieee80211_rx_ni(wl->hw, skb); | |
510 | ||
511 | /* Return sent skbs to the network stack */ | |
512 | while ((skb = skb_dequeue(&wl->deferred_tx_queue))) | |
c27d3acc | 513 | ieee80211_tx_status_ni(wl->hw, skb); |
a620865e IY |
514 | } |
515 | ||
516 | static void wl1271_netstack_work(struct work_struct *work) | |
517 | { | |
518 | struct wl1271 *wl = | |
519 | container_of(work, struct wl1271, netstack_work); | |
520 | ||
521 | do { | |
522 | wl1271_flush_deferred_work(wl); | |
523 | } while (skb_queue_len(&wl->deferred_rx_queue)); | |
524 | } | |
1e73eb62 | 525 | |
a620865e IY |
526 | #define WL1271_IRQ_MAX_LOOPS 256 |
527 | ||
b5b45b3c | 528 | static int wlcore_irq_locked(struct wl1271 *wl) |
f5fc0f86 | 529 | { |
b5b45b3c | 530 | int ret = 0; |
c15f63bf | 531 | u32 intr; |
1e73eb62 | 532 | int loopcount = WL1271_IRQ_MAX_LOOPS; |
a620865e IY |
533 | bool done = false; |
534 | unsigned int defer_count; | |
b07d4037 IY |
535 | unsigned long flags; |
536 | ||
341b7cde IY |
537 | /* |
538 | * In case edge triggered interrupt must be used, we cannot iterate | |
539 | * more than once without introducing race conditions with the hardirq. | |
540 | */ | |
6f921fab | 541 | if (wl->irq_flags & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING)) |
341b7cde IY |
542 | loopcount = 1; |
543 | ||
f5fc0f86 LC |
544 | wl1271_debug(DEBUG_IRQ, "IRQ work"); |
545 | ||
4cc53383 | 546 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
f5fc0f86 LC |
547 | goto out; |
548 | ||
a620865e | 549 | ret = wl1271_ps_elp_wakeup(wl); |
f5fc0f86 LC |
550 | if (ret < 0) |
551 | goto out; | |
552 | ||
a620865e IY |
553 | while (!done && loopcount--) { |
554 | /* | |
555 | * In order to avoid a race with the hardirq, clear the flag | |
556 | * before acknowledging the chip. Since the mutex is held, | |
557 | * wl1271_ps_elp_wakeup cannot be called concurrently. | |
558 | */ | |
559 | clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); | |
4e857c58 | 560 | smp_mb__after_atomic(); |
1e73eb62 | 561 | |
75fb4df7 | 562 | ret = wlcore_fw_status(wl, wl->fw_status); |
b5b45b3c | 563 | if (ret < 0) |
8b7c0fc3 | 564 | goto out; |
53d67a50 AN |
565 | |
566 | wlcore_hw_tx_immediate_compl(wl); | |
567 | ||
75fb4df7 | 568 | intr = wl->fw_status->intr; |
f5755fe9 | 569 | intr &= WLCORE_ALL_INTR_MASK; |
1e73eb62 | 570 | if (!intr) { |
a620865e | 571 | done = true; |
1e73eb62 JO |
572 | continue; |
573 | } | |
f5fc0f86 | 574 | |
ccc83b04 | 575 | if (unlikely(intr & WL1271_ACX_INTR_WATCHDOG)) { |
f5755fe9 IR |
576 | wl1271_error("HW watchdog interrupt received! starting recovery."); |
577 | wl->watchdog_recovery = true; | |
b5b45b3c | 578 | ret = -EIO; |
f5755fe9 IR |
579 | |
580 | /* restarting the chip. ignore any other interrupt. */ | |
581 | goto out; | |
582 | } | |
583 | ||
584 | if (unlikely(intr & WL1271_ACX_SW_INTR_WATCHDOG)) { | |
585 | wl1271_error("SW watchdog interrupt received! " | |
ccc83b04 | 586 | "starting recovery."); |
afbe3718 | 587 | wl->watchdog_recovery = true; |
b5b45b3c | 588 | ret = -EIO; |
ccc83b04 EP |
589 | |
590 | /* restarting the chip. ignore any other interrupt. */ | |
591 | goto out; | |
592 | } | |
593 | ||
a620865e | 594 | if (likely(intr & WL1271_ACX_INTR_DATA)) { |
1e73eb62 | 595 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA"); |
1fd2794f | 596 | |
75fb4df7 | 597 | ret = wlcore_rx(wl, wl->fw_status); |
b5b45b3c | 598 | if (ret < 0) |
045b9b5f | 599 | goto out; |
f5fc0f86 | 600 | |
a522550a | 601 | /* Check if any tx blocks were freed */ |
b07d4037 | 602 | spin_lock_irqsave(&wl->wl_lock, flags); |
a522550a | 603 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
f1a46384 | 604 | wl1271_tx_total_queue_count(wl) > 0) { |
b07d4037 | 605 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
a522550a IY |
606 | /* |
607 | * In order to avoid starvation of the TX path, | |
608 | * call the work function directly. | |
609 | */ | |
eb96f841 | 610 | ret = wlcore_tx_work_locked(wl); |
b5b45b3c | 611 | if (ret < 0) |
eb96f841 | 612 | goto out; |
b07d4037 IY |
613 | } else { |
614 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
a522550a IY |
615 | } |
616 | ||
8aad2464 | 617 | /* check for tx results */ |
045b9b5f | 618 | ret = wlcore_hw_tx_delayed_compl(wl); |
b5b45b3c | 619 | if (ret < 0) |
045b9b5f | 620 | goto out; |
a620865e IY |
621 | |
622 | /* Make sure the deferred queues don't get too long */ | |
623 | defer_count = skb_queue_len(&wl->deferred_tx_queue) + | |
624 | skb_queue_len(&wl->deferred_rx_queue); | |
625 | if (defer_count > WL1271_DEFERRED_QUEUE_LIMIT) | |
626 | wl1271_flush_deferred_work(wl); | |
1e73eb62 | 627 | } |
f5fc0f86 | 628 | |
1e73eb62 JO |
629 | if (intr & WL1271_ACX_INTR_EVENT_A) { |
630 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A"); | |
045b9b5f | 631 | ret = wl1271_event_handle(wl, 0); |
b5b45b3c | 632 | if (ret < 0) |
045b9b5f | 633 | goto out; |
1e73eb62 | 634 | } |
f5fc0f86 | 635 | |
1e73eb62 JO |
636 | if (intr & WL1271_ACX_INTR_EVENT_B) { |
637 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B"); | |
045b9b5f | 638 | ret = wl1271_event_handle(wl, 1); |
b5b45b3c | 639 | if (ret < 0) |
045b9b5f | 640 | goto out; |
1e73eb62 | 641 | } |
f5fc0f86 | 642 | |
1e73eb62 JO |
643 | if (intr & WL1271_ACX_INTR_INIT_COMPLETE) |
644 | wl1271_debug(DEBUG_IRQ, | |
645 | "WL1271_ACX_INTR_INIT_COMPLETE"); | |
f5fc0f86 | 646 | |
1e73eb62 JO |
647 | if (intr & WL1271_ACX_INTR_HW_AVAILABLE) |
648 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE"); | |
c15f63bf | 649 | } |
f5fc0f86 | 650 | |
f5fc0f86 LC |
651 | wl1271_ps_elp_sleep(wl); |
652 | ||
653 | out: | |
b5b45b3c AN |
654 | return ret; |
655 | } | |
656 | ||
657 | static irqreturn_t wlcore_irq(int irq, void *cookie) | |
658 | { | |
659 | int ret; | |
660 | unsigned long flags; | |
661 | struct wl1271 *wl = cookie; | |
662 | ||
97236a06 LC |
663 | /* complete the ELP completion */ |
664 | spin_lock_irqsave(&wl->wl_lock, flags); | |
665 | set_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); | |
666 | if (wl->elp_compl) { | |
667 | complete(wl->elp_compl); | |
668 | wl->elp_compl = NULL; | |
669 | } | |
670 | ||
671 | if (test_bit(WL1271_FLAG_SUSPENDED, &wl->flags)) { | |
672 | /* don't enqueue a work right now. mark it as pending */ | |
673 | set_bit(WL1271_FLAG_PENDING_WORK, &wl->flags); | |
674 | wl1271_debug(DEBUG_IRQ, "should not enqueue work"); | |
675 | disable_irq_nosync(wl->irq); | |
676 | pm_wakeup_event(wl->dev, 0); | |
677 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
678 | return IRQ_HANDLED; | |
679 | } | |
680 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
681 | ||
b5b45b3c AN |
682 | /* TX might be handled here, avoid redundant work */ |
683 | set_bit(WL1271_FLAG_TX_PENDING, &wl->flags); | |
684 | cancel_work_sync(&wl->tx_work); | |
685 | ||
686 | mutex_lock(&wl->mutex); | |
687 | ||
688 | ret = wlcore_irq_locked(wl); | |
689 | if (ret) | |
690 | wl12xx_queue_recovery_work(wl); | |
691 | ||
b07d4037 IY |
692 | spin_lock_irqsave(&wl->wl_lock, flags); |
693 | /* In case TX was not handled here, queue TX work */ | |
694 | clear_bit(WL1271_FLAG_TX_PENDING, &wl->flags); | |
695 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && | |
f1a46384 | 696 | wl1271_tx_total_queue_count(wl) > 0) |
b07d4037 IY |
697 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
698 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
699 | ||
f5fc0f86 | 700 | mutex_unlock(&wl->mutex); |
a620865e IY |
701 | |
702 | return IRQ_HANDLED; | |
f5fc0f86 LC |
703 | } |
704 | ||
4549d09c EP |
705 | struct vif_counter_data { |
706 | u8 counter; | |
707 | ||
708 | struct ieee80211_vif *cur_vif; | |
709 | bool cur_vif_running; | |
710 | }; | |
711 | ||
712 | static void wl12xx_vif_count_iter(void *data, u8 *mac, | |
713 | struct ieee80211_vif *vif) | |
714 | { | |
715 | struct vif_counter_data *counter = data; | |
716 | ||
717 | counter->counter++; | |
718 | if (counter->cur_vif == vif) | |
719 | counter->cur_vif_running = true; | |
720 | } | |
721 | ||
722 | /* caller must not hold wl->mutex, as it might deadlock */ | |
723 | static void wl12xx_get_vif_count(struct ieee80211_hw *hw, | |
724 | struct ieee80211_vif *cur_vif, | |
725 | struct vif_counter_data *data) | |
726 | { | |
727 | memset(data, 0, sizeof(*data)); | |
728 | data->cur_vif = cur_vif; | |
729 | ||
8b2c9824 | 730 | ieee80211_iterate_active_interfaces(hw, IEEE80211_IFACE_ITER_RESUME_ALL, |
4549d09c EP |
731 | wl12xx_vif_count_iter, data); |
732 | } | |
733 | ||
3fcdab70 | 734 | static int wl12xx_fetch_firmware(struct wl1271 *wl, bool plt) |
f5fc0f86 LC |
735 | { |
736 | const struct firmware *fw; | |
166d504e | 737 | const char *fw_name; |
3fcdab70 | 738 | enum wl12xx_fw_type fw_type; |
f5fc0f86 LC |
739 | int ret; |
740 | ||
3fcdab70 EP |
741 | if (plt) { |
742 | fw_type = WL12XX_FW_TYPE_PLT; | |
6f7dd16c | 743 | fw_name = wl->plt_fw_name; |
3fcdab70 | 744 | } else { |
4549d09c EP |
745 | /* |
746 | * we can't call wl12xx_get_vif_count() here because | |
747 | * wl->mutex is taken, so use the cached last_vif_count value | |
748 | */ | |
9b1a0a77 | 749 | if (wl->last_vif_count > 1 && wl->mr_fw_name) { |
4549d09c | 750 | fw_type = WL12XX_FW_TYPE_MULTI; |
6f7dd16c | 751 | fw_name = wl->mr_fw_name; |
4549d09c EP |
752 | } else { |
753 | fw_type = WL12XX_FW_TYPE_NORMAL; | |
6f7dd16c | 754 | fw_name = wl->sr_fw_name; |
4549d09c | 755 | } |
3fcdab70 EP |
756 | } |
757 | ||
758 | if (wl->fw_type == fw_type) | |
759 | return 0; | |
166d504e AN |
760 | |
761 | wl1271_debug(DEBUG_BOOT, "booting firmware %s", fw_name); | |
762 | ||
a390e85c | 763 | ret = request_firmware(&fw, fw_name, wl->dev); |
f5fc0f86 LC |
764 | |
765 | if (ret < 0) { | |
35898935 | 766 | wl1271_error("could not get firmware %s: %d", fw_name, ret); |
f5fc0f86 LC |
767 | return ret; |
768 | } | |
769 | ||
770 | if (fw->size % 4) { | |
771 | wl1271_error("firmware size is not multiple of 32 bits: %zu", | |
772 | fw->size); | |
773 | ret = -EILSEQ; | |
774 | goto out; | |
775 | } | |
776 | ||
166d504e | 777 | vfree(wl->fw); |
3fcdab70 | 778 | wl->fw_type = WL12XX_FW_TYPE_NONE; |
f5fc0f86 | 779 | wl->fw_len = fw->size; |
1fba4974 | 780 | wl->fw = vmalloc(wl->fw_len); |
f5fc0f86 LC |
781 | |
782 | if (!wl->fw) { | |
783 | wl1271_error("could not allocate memory for the firmware"); | |
784 | ret = -ENOMEM; | |
785 | goto out; | |
786 | } | |
787 | ||
788 | memcpy(wl->fw, fw->data, wl->fw_len); | |
f5fc0f86 | 789 | ret = 0; |
3fcdab70 | 790 | wl->fw_type = fw_type; |
f5fc0f86 LC |
791 | out: |
792 | release_firmware(fw); | |
793 | ||
794 | return ret; | |
795 | } | |
796 | ||
baacb9ae IY |
797 | void wl12xx_queue_recovery_work(struct wl1271 *wl) |
798 | { | |
b666bb7f | 799 | /* Avoid a recursive recovery */ |
792a58a8 | 800 | if (wl->state == WLCORE_STATE_ON) { |
1ede9500 AN |
801 | WARN_ON(!test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, |
802 | &wl->flags)); | |
803 | ||
4cc53383 | 804 | wl->state = WLCORE_STATE_RESTARTING; |
792a58a8 | 805 | set_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); |
2473ec8f | 806 | wl1271_ps_elp_wakeup(wl); |
b666bb7f | 807 | wlcore_disable_interrupts_nosync(wl); |
baacb9ae | 808 | ieee80211_queue_work(wl->hw, &wl->recovery_work); |
b666bb7f | 809 | } |
baacb9ae IY |
810 | } |
811 | ||
95dac04f IY |
812 | size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen) |
813 | { | |
c83cb803 | 814 | size_t len; |
95dac04f IY |
815 | |
816 | /* Make sure we have enough room */ | |
c8e49556 | 817 | len = min_t(size_t, maxlen, PAGE_SIZE - wl->fwlog_size); |
95dac04f IY |
818 | |
819 | /* Fill the FW log file, consumed by the sysfs fwlog entry */ | |
820 | memcpy(wl->fwlog + wl->fwlog_size, memblock, len); | |
821 | wl->fwlog_size += len; | |
822 | ||
823 | return len; | |
824 | } | |
825 | ||
826 | static void wl12xx_read_fwlog_panic(struct wl1271 *wl) | |
827 | { | |
c83cb803 | 828 | struct wlcore_partition_set part, old_part; |
95dac04f | 829 | u32 addr; |
1e41213f IC |
830 | u32 offset; |
831 | u32 end_of_log; | |
95dac04f | 832 | u8 *block; |
8b7c0fc3 | 833 | int ret; |
95dac04f | 834 | |
6f7dd16c | 835 | if ((wl->quirks & WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED) || |
95dac04f IY |
836 | (wl->conf.fwlog.mem_blocks == 0)) |
837 | return; | |
838 | ||
839 | wl1271_info("Reading FW panic log"); | |
840 | ||
c83cb803 | 841 | block = kmalloc(wl->fw_mem_block_size, GFP_KERNEL); |
95dac04f IY |
842 | if (!block) |
843 | return; | |
844 | ||
845 | /* | |
846 | * Make sure the chip is awake and the logger isn't active. | |
847cbebd EP |
847 | * Do not send a stop fwlog command if the fw is hanged or if |
848 | * dbgpins are used (due to some fw bug). | |
95dac04f | 849 | */ |
1e41213f | 850 | if (wl1271_ps_elp_wakeup(wl)) |
afbe3718 | 851 | goto out; |
847cbebd EP |
852 | if (!wl->watchdog_recovery && |
853 | wl->conf.fwlog.output != WL12XX_FWLOG_OUTPUT_DBG_PINS) | |
1e41213f | 854 | wl12xx_cmd_stop_fwlog(wl); |
95dac04f IY |
855 | |
856 | /* Read the first memory block address */ | |
75fb4df7 | 857 | ret = wlcore_fw_status(wl, wl->fw_status); |
8b7c0fc3 | 858 | if (ret < 0) |
95dac04f IY |
859 | goto out; |
860 | ||
75fb4df7 | 861 | addr = wl->fw_status->log_start_addr; |
1e41213f | 862 | if (!addr) |
95dac04f IY |
863 | goto out; |
864 | ||
1e41213f IC |
865 | if (wl->conf.fwlog.mode == WL12XX_FWLOG_CONTINUOUS) { |
866 | offset = sizeof(addr) + sizeof(struct wl1271_rx_descriptor); | |
c83cb803 | 867 | end_of_log = wl->fwlog_end; |
1e41213f IC |
868 | } else { |
869 | offset = sizeof(addr); | |
870 | end_of_log = addr; | |
871 | } | |
872 | ||
c83cb803 IC |
873 | old_part = wl->curr_part; |
874 | memset(&part, 0, sizeof(part)); | |
875 | ||
95dac04f | 876 | /* Traverse the memory blocks linked list */ |
95dac04f | 877 | do { |
c83cb803 IC |
878 | part.mem.start = wlcore_hw_convert_hwaddr(wl, addr); |
879 | part.mem.size = PAGE_SIZE; | |
880 | ||
881 | ret = wlcore_set_partition(wl, &part); | |
882 | if (ret < 0) { | |
883 | wl1271_error("%s: set_partition start=0x%X size=%d", | |
884 | __func__, part.mem.start, part.mem.size); | |
885 | goto out; | |
886 | } | |
887 | ||
888 | memset(block, 0, wl->fw_mem_block_size); | |
889 | ret = wlcore_read_hwaddr(wl, addr, block, | |
890 | wl->fw_mem_block_size, false); | |
891 | ||
2b800407 IY |
892 | if (ret < 0) |
893 | goto out; | |
95dac04f IY |
894 | |
895 | /* | |
896 | * Memory blocks are linked to one another. The first 4 bytes | |
897 | * of each memory block hold the hardware address of the next | |
1e41213f IC |
898 | * one. The last memory block points to the first one in |
899 | * on demand mode and is equal to 0x2000000 in continuous mode. | |
95dac04f | 900 | */ |
4d56ad9c | 901 | addr = le32_to_cpup((__le32 *)block); |
c83cb803 | 902 | |
1e41213f | 903 | if (!wl12xx_copy_fwlog(wl, block + offset, |
c83cb803 | 904 | wl->fw_mem_block_size - offset)) |
95dac04f | 905 | break; |
1e41213f | 906 | } while (addr && (addr != end_of_log)); |
95dac04f IY |
907 | |
908 | wake_up_interruptible(&wl->fwlog_waitq); | |
909 | ||
910 | out: | |
911 | kfree(block); | |
c83cb803 | 912 | wlcore_set_partition(wl, &old_part); |
95dac04f IY |
913 | } |
914 | ||
50d26aa3 EP |
915 | static void wlcore_save_freed_pkts(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
916 | u8 hlid, struct ieee80211_sta *sta) | |
917 | { | |
918 | struct wl1271_station *wl_sta; | |
30a00358 | 919 | u32 sqn_recovery_padding = WL1271_TX_SQN_POST_RECOVERY_PADDING; |
50d26aa3 EP |
920 | |
921 | wl_sta = (void *)sta->drv_priv; | |
922 | wl_sta->total_freed_pkts = wl->links[hlid].total_freed_pkts; | |
923 | ||
924 | /* | |
925 | * increment the initial seq number on recovery to account for | |
926 | * transmitted packets that we haven't yet got in the FW status | |
927 | */ | |
30a00358 EP |
928 | if (wlvif->encryption_type == KEY_GEM) |
929 | sqn_recovery_padding = WL1271_TX_SQN_POST_RECOVERY_PADDING_GEM; | |
930 | ||
50d26aa3 | 931 | if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) |
30a00358 | 932 | wl_sta->total_freed_pkts += sqn_recovery_padding; |
50d26aa3 EP |
933 | } |
934 | ||
935 | static void wlcore_save_freed_pkts_addr(struct wl1271 *wl, | |
936 | struct wl12xx_vif *wlvif, | |
937 | u8 hlid, const u8 *addr) | |
938 | { | |
939 | struct ieee80211_sta *sta; | |
940 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); | |
941 | ||
942 | if (WARN_ON(hlid == WL12XX_INVALID_LINK_ID || | |
943 | is_zero_ether_addr(addr))) | |
944 | return; | |
945 | ||
946 | rcu_read_lock(); | |
947 | sta = ieee80211_find_sta(vif, addr); | |
948 | if (sta) | |
949 | wlcore_save_freed_pkts(wl, wlvif, hlid, sta); | |
950 | rcu_read_unlock(); | |
951 | } | |
952 | ||
6134323f IY |
953 | static void wlcore_print_recovery(struct wl1271 *wl) |
954 | { | |
955 | u32 pc = 0; | |
956 | u32 hint_sts = 0; | |
957 | int ret; | |
958 | ||
959 | wl1271_info("Hardware recovery in progress. FW ver: %s", | |
960 | wl->chip.fw_ver_str); | |
961 | ||
962 | /* change partitions momentarily so we can read the FW pc */ | |
b0f0ad39 IY |
963 | ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]); |
964 | if (ret < 0) | |
965 | return; | |
6134323f IY |
966 | |
967 | ret = wlcore_read_reg(wl, REG_PC_ON_RECOVERY, &pc); | |
968 | if (ret < 0) | |
969 | return; | |
970 | ||
971 | ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &hint_sts); | |
972 | if (ret < 0) | |
973 | return; | |
974 | ||
c108c905 LC |
975 | wl1271_info("pc: 0x%x, hint_sts: 0x%08x count: %d", |
976 | pc, hint_sts, ++wl->recovery_count); | |
6134323f IY |
977 | |
978 | wlcore_set_partition(wl, &wl->ptable[PART_WORK]); | |
979 | } | |
980 | ||
981 | ||
52b0e7a6 JO |
982 | static void wl1271_recovery_work(struct work_struct *work) |
983 | { | |
984 | struct wl1271 *wl = | |
985 | container_of(work, struct wl1271, recovery_work); | |
48e93e40 | 986 | struct wl12xx_vif *wlvif; |
6e8cd331 | 987 | struct ieee80211_vif *vif; |
52b0e7a6 JO |
988 | |
989 | mutex_lock(&wl->mutex); | |
990 | ||
4cc53383 | 991 | if (wl->state == WLCORE_STATE_OFF || wl->plt) |
f0277434 | 992 | goto out_unlock; |
52b0e7a6 | 993 | |
aafec111 | 994 | if (!test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags)) { |
5cc14c04 BB |
995 | if (wl->conf.fwlog.output == WL12XX_FWLOG_OUTPUT_HOST) |
996 | wl12xx_read_fwlog_panic(wl); | |
aafec111 AN |
997 | wlcore_print_recovery(wl); |
998 | } | |
52b0e7a6 | 999 | |
7230341f | 1000 | BUG_ON(wl->conf.recovery.bug_on_recovery && |
e9ba7152 | 1001 | !test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags)); |
2a5bff09 | 1002 | |
7230341f | 1003 | if (wl->conf.recovery.no_recovery) { |
34785be5 | 1004 | wl1271_info("No recovery (chosen on module load). Fw will remain stuck."); |
34785be5 AN |
1005 | goto out_unlock; |
1006 | } | |
1007 | ||
7dece1c8 | 1008 | /* Prevent spurious TX during FW restart */ |
66396114 | 1009 | wlcore_stop_queues(wl, WLCORE_QUEUE_STOP_REASON_FW_RESTART); |
7dece1c8 | 1010 | |
52b0e7a6 | 1011 | /* reboot the chipset */ |
6e8cd331 EP |
1012 | while (!list_empty(&wl->wlvif_list)) { |
1013 | wlvif = list_first_entry(&wl->wlvif_list, | |
1014 | struct wl12xx_vif, list); | |
1015 | vif = wl12xx_wlvif_to_vif(wlvif); | |
50d26aa3 EP |
1016 | |
1017 | if (wlvif->bss_type == BSS_TYPE_STA_BSS && | |
1018 | test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) { | |
1019 | wlcore_save_freed_pkts_addr(wl, wlvif, wlvif->sta.hlid, | |
1020 | vif->bss_conf.bssid); | |
1021 | } | |
1022 | ||
6e8cd331 EP |
1023 | __wl1271_op_remove_interface(wl, vif, false); |
1024 | } | |
c24ec83b IY |
1025 | |
1026 | wlcore_op_stop_locked(wl); | |
baacb9ae | 1027 | |
52b0e7a6 JO |
1028 | ieee80211_restart_hw(wl->hw); |
1029 | ||
7dece1c8 AN |
1030 | /* |
1031 | * Its safe to enable TX now - the queues are stopped after a request | |
1032 | * to restart the HW. | |
1033 | */ | |
66396114 | 1034 | wlcore_wake_queues(wl, WLCORE_QUEUE_STOP_REASON_FW_RESTART); |
c24ec83b | 1035 | |
f0277434 | 1036 | out_unlock: |
b034fd6f AN |
1037 | wl->watchdog_recovery = false; |
1038 | clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); | |
52b0e7a6 JO |
1039 | mutex_unlock(&wl->mutex); |
1040 | } | |
1041 | ||
b0f0ad39 | 1042 | static int wlcore_fw_wakeup(struct wl1271 *wl) |
f5fc0f86 | 1043 | { |
b0f0ad39 | 1044 | return wlcore_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG, ELPCTRL_WAKE_UP); |
f5fc0f86 LC |
1045 | } |
1046 | ||
1047 | static int wl1271_setup(struct wl1271 *wl) | |
1048 | { | |
75fb4df7 EP |
1049 | wl->raw_fw_status = kzalloc(wl->fw_status_len, GFP_KERNEL); |
1050 | if (!wl->raw_fw_status) | |
1051 | goto err; | |
f5fc0f86 | 1052 | |
75fb4df7 EP |
1053 | wl->fw_status = kzalloc(sizeof(*wl->fw_status), GFP_KERNEL); |
1054 | if (!wl->fw_status) | |
1055 | goto err; | |
0afd04e5 | 1056 | |
5cbba2d4 | 1057 | wl->tx_res_if = kzalloc(sizeof(*wl->tx_res_if), GFP_KERNEL); |
75fb4df7 EP |
1058 | if (!wl->tx_res_if) |
1059 | goto err; | |
f5fc0f86 | 1060 | |
f5fc0f86 | 1061 | return 0; |
75fb4df7 EP |
1062 | err: |
1063 | kfree(wl->fw_status); | |
1064 | kfree(wl->raw_fw_status); | |
1065 | return -ENOMEM; | |
f5fc0f86 LC |
1066 | } |
1067 | ||
30c5dbd1 | 1068 | static int wl12xx_set_power_on(struct wl1271 *wl) |
f5fc0f86 | 1069 | { |
30c5dbd1 | 1070 | int ret; |
f5fc0f86 | 1071 | |
01ac17ec | 1072 | msleep(WL1271_PRE_POWER_ON_SLEEP); |
2cc78ff7 OBC |
1073 | ret = wl1271_power_on(wl); |
1074 | if (ret < 0) | |
1075 | goto out; | |
f5fc0f86 | 1076 | msleep(WL1271_POWER_ON_SLEEP); |
9b280722 TP |
1077 | wl1271_io_reset(wl); |
1078 | wl1271_io_init(wl); | |
f5fc0f86 | 1079 | |
b0f0ad39 IY |
1080 | ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]); |
1081 | if (ret < 0) | |
1082 | goto fail; | |
f5fc0f86 LC |
1083 | |
1084 | /* ELP module wake up */ | |
b0f0ad39 IY |
1085 | ret = wlcore_fw_wakeup(wl); |
1086 | if (ret < 0) | |
1087 | goto fail; | |
f5fc0f86 | 1088 | |
30c5dbd1 LC |
1089 | out: |
1090 | return ret; | |
b0f0ad39 IY |
1091 | |
1092 | fail: | |
1093 | wl1271_power_off(wl); | |
1094 | return ret; | |
30c5dbd1 | 1095 | } |
f5fc0f86 | 1096 | |
3fcdab70 | 1097 | static int wl12xx_chip_wakeup(struct wl1271 *wl, bool plt) |
30c5dbd1 LC |
1098 | { |
1099 | int ret = 0; | |
1100 | ||
1101 | ret = wl12xx_set_power_on(wl); | |
1102 | if (ret < 0) | |
1103 | goto out; | |
f5fc0f86 | 1104 | |
e62c9ce4 LC |
1105 | /* |
1106 | * For wl127x based devices we could use the default block | |
1107 | * size (512 bytes), but due to a bug in the sdio driver, we | |
1108 | * need to set it explicitly after the chip is powered on. To | |
1109 | * simplify the code and since the performance impact is | |
1110 | * negligible, we use the same block size for all different | |
1111 | * chip types. | |
b5d6d9b2 LC |
1112 | * |
1113 | * Check if the bus supports blocksize alignment and, if it | |
1114 | * doesn't, make sure we don't have the quirk. | |
e62c9ce4 | 1115 | */ |
b5d6d9b2 LC |
1116 | if (!wl1271_set_block_size(wl)) |
1117 | wl->quirks &= ~WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN; | |
f5fc0f86 | 1118 | |
6f7dd16c | 1119 | /* TODO: make sure the lower driver has set things up correctly */ |
0830ceed | 1120 | |
6f7dd16c LC |
1121 | ret = wl1271_setup(wl); |
1122 | if (ret < 0) | |
9ccd9217 | 1123 | goto out; |
f5fc0f86 | 1124 | |
3fcdab70 EP |
1125 | ret = wl12xx_fetch_firmware(wl, plt); |
1126 | if (ret < 0) | |
1127 | goto out; | |
f5fc0f86 | 1128 | |
f5fc0f86 LC |
1129 | out: |
1130 | return ret; | |
1131 | } | |
1132 | ||
7019c80e | 1133 | int wl1271_plt_start(struct wl1271 *wl, const enum plt_mode plt_mode) |
f5fc0f86 | 1134 | { |
9ccd9217 | 1135 | int retries = WL1271_BOOT_RETRIES; |
6f07b72a | 1136 | struct wiphy *wiphy = wl->hw->wiphy; |
7019c80e YS |
1137 | |
1138 | static const char* const PLT_MODE[] = { | |
1139 | "PLT_OFF", | |
1140 | "PLT_ON", | |
dd491ffb YS |
1141 | "PLT_FEM_DETECT", |
1142 | "PLT_CHIP_AWAKE" | |
7019c80e YS |
1143 | }; |
1144 | ||
f5fc0f86 LC |
1145 | int ret; |
1146 | ||
1147 | mutex_lock(&wl->mutex); | |
1148 | ||
1149 | wl1271_notice("power up"); | |
1150 | ||
4cc53383 | 1151 | if (wl->state != WLCORE_STATE_OFF) { |
f5fc0f86 LC |
1152 | wl1271_error("cannot go into PLT state because not " |
1153 | "in off state: %d", wl->state); | |
1154 | ret = -EBUSY; | |
1155 | goto out; | |
1156 | } | |
1157 | ||
7019c80e YS |
1158 | /* Indicate to lower levels that we are now in PLT mode */ |
1159 | wl->plt = true; | |
1160 | wl->plt_mode = plt_mode; | |
1161 | ||
9ccd9217 JO |
1162 | while (retries) { |
1163 | retries--; | |
3fcdab70 | 1164 | ret = wl12xx_chip_wakeup(wl, true); |
9ccd9217 JO |
1165 | if (ret < 0) |
1166 | goto power_off; | |
f5fc0f86 | 1167 | |
dd491ffb YS |
1168 | if (plt_mode != PLT_CHIP_AWAKE) { |
1169 | ret = wl->ops->plt_init(wl); | |
1170 | if (ret < 0) | |
1171 | goto power_off; | |
1172 | } | |
eb5b28d0 | 1173 | |
4cc53383 | 1174 | wl->state = WLCORE_STATE_ON; |
7019c80e YS |
1175 | wl1271_notice("firmware booted in PLT mode %s (%s)", |
1176 | PLT_MODE[plt_mode], | |
4b7fac77 | 1177 | wl->chip.fw_ver_str); |
e7ddf549 | 1178 | |
6f07b72a GK |
1179 | /* update hw/fw version info in wiphy struct */ |
1180 | wiphy->hw_version = wl->chip.id; | |
1181 | strncpy(wiphy->fw_version, wl->chip.fw_ver_str, | |
1182 | sizeof(wiphy->fw_version)); | |
1183 | ||
9ccd9217 | 1184 | goto out; |
eb5b28d0 | 1185 | |
9ccd9217 JO |
1186 | power_off: |
1187 | wl1271_power_off(wl); | |
1188 | } | |
f5fc0f86 | 1189 | |
7019c80e YS |
1190 | wl->plt = false; |
1191 | wl->plt_mode = PLT_OFF; | |
1192 | ||
9ccd9217 JO |
1193 | wl1271_error("firmware boot in PLT mode failed despite %d retries", |
1194 | WL1271_BOOT_RETRIES); | |
f5fc0f86 LC |
1195 | out: |
1196 | mutex_unlock(&wl->mutex); | |
1197 | ||
1198 | return ret; | |
1199 | } | |
1200 | ||
f3df1331 | 1201 | int wl1271_plt_stop(struct wl1271 *wl) |
f5fc0f86 LC |
1202 | { |
1203 | int ret = 0; | |
1204 | ||
f5fc0f86 LC |
1205 | wl1271_notice("power down"); |
1206 | ||
46b0cc9f IY |
1207 | /* |
1208 | * Interrupts must be disabled before setting the state to OFF. | |
1209 | * Otherwise, the interrupt handler might be called and exit without | |
1210 | * reading the interrupt status. | |
1211 | */ | |
dd5512eb | 1212 | wlcore_disable_interrupts(wl); |
f3df1331 | 1213 | mutex_lock(&wl->mutex); |
3fcdab70 | 1214 | if (!wl->plt) { |
f3df1331 | 1215 | mutex_unlock(&wl->mutex); |
46b0cc9f IY |
1216 | |
1217 | /* | |
1218 | * This will not necessarily enable interrupts as interrupts | |
1219 | * may have been disabled when op_stop was called. It will, | |
1220 | * however, balance the above call to disable_interrupts(). | |
1221 | */ | |
dd5512eb | 1222 | wlcore_enable_interrupts(wl); |
46b0cc9f | 1223 | |
f5fc0f86 LC |
1224 | wl1271_error("cannot power down because not in PLT " |
1225 | "state: %d", wl->state); | |
1226 | ret = -EBUSY; | |
1227 | goto out; | |
1228 | } | |
1229 | ||
f5fc0f86 | 1230 | mutex_unlock(&wl->mutex); |
f3df1331 | 1231 | |
a620865e IY |
1232 | wl1271_flush_deferred_work(wl); |
1233 | cancel_work_sync(&wl->netstack_work); | |
52b0e7a6 | 1234 | cancel_work_sync(&wl->recovery_work); |
f6fbeccd | 1235 | cancel_delayed_work_sync(&wl->elp_work); |
55df5afb | 1236 | cancel_delayed_work_sync(&wl->tx_watchdog_work); |
a454969e IY |
1237 | |
1238 | mutex_lock(&wl->mutex); | |
1239 | wl1271_power_off(wl); | |
f6fbeccd | 1240 | wl->flags = 0; |
2f18cf7c | 1241 | wl->sleep_auth = WL1271_PSM_ILLEGAL; |
4cc53383 | 1242 | wl->state = WLCORE_STATE_OFF; |
3fcdab70 | 1243 | wl->plt = false; |
7019c80e | 1244 | wl->plt_mode = PLT_OFF; |
f6fbeccd | 1245 | wl->rx_counter = 0; |
a454969e IY |
1246 | mutex_unlock(&wl->mutex); |
1247 | ||
4ae3fa87 JO |
1248 | out: |
1249 | return ret; | |
1250 | } | |
1251 | ||
36323f81 TH |
1252 | static void wl1271_op_tx(struct ieee80211_hw *hw, |
1253 | struct ieee80211_tx_control *control, | |
1254 | struct sk_buff *skb) | |
f5fc0f86 LC |
1255 | { |
1256 | struct wl1271 *wl = hw->priv; | |
a8ab39a4 EP |
1257 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
1258 | struct ieee80211_vif *vif = info->control.vif; | |
0f168014 | 1259 | struct wl12xx_vif *wlvif = NULL; |
830fb67b | 1260 | unsigned long flags; |
708bb3cf | 1261 | int q, mapping; |
d6a3cc2e | 1262 | u8 hlid; |
f5fc0f86 | 1263 | |
f4d02007 AN |
1264 | if (!vif) { |
1265 | wl1271_debug(DEBUG_TX, "DROP skb with no vif"); | |
1266 | ieee80211_free_txskb(hw, skb); | |
1267 | return; | |
1268 | } | |
0f168014 | 1269 | |
f4d02007 | 1270 | wlvif = wl12xx_vif_to_data(vif); |
708bb3cf AN |
1271 | mapping = skb_get_queue_mapping(skb); |
1272 | q = wl1271_tx_get_queue(mapping); | |
b07d4037 | 1273 | |
36323f81 | 1274 | hlid = wl12xx_tx_get_hlid(wl, wlvif, skb, control->sta); |
b07d4037 | 1275 | |
830fb67b | 1276 | spin_lock_irqsave(&wl->wl_lock, flags); |
b07d4037 | 1277 | |
66396114 AN |
1278 | /* |
1279 | * drop the packet if the link is invalid or the queue is stopped | |
1280 | * for any reason but watermark. Watermark is a "soft"-stop so we | |
1281 | * allow these packets through. | |
1282 | */ | |
d6a3cc2e | 1283 | if (hlid == WL12XX_INVALID_LINK_ID || |
f4d02007 | 1284 | (!test_bit(hlid, wlvif->links_map)) || |
d6037d22 AN |
1285 | (wlcore_is_queue_stopped_locked(wl, wlvif, q) && |
1286 | !wlcore_is_queue_stopped_by_reason_locked(wl, wlvif, q, | |
66396114 | 1287 | WLCORE_QUEUE_STOP_REASON_WATERMARK))) { |
d6a3cc2e | 1288 | wl1271_debug(DEBUG_TX, "DROP skb hlid %d q %d", hlid, q); |
5de8eef4 | 1289 | ieee80211_free_txskb(hw, skb); |
d6a3cc2e | 1290 | goto out; |
a8c0ddb5 | 1291 | } |
f5fc0f86 | 1292 | |
8ccd16e6 EP |
1293 | wl1271_debug(DEBUG_TX, "queue skb hlid %d q %d len %d", |
1294 | hlid, q, skb->len); | |
d6a3cc2e EP |
1295 | skb_queue_tail(&wl->links[hlid].tx_queue[q], skb); |
1296 | ||
04b4d69c | 1297 | wl->tx_queue_count[q]++; |
f4d02007 | 1298 | wlvif->tx_queue_count[q]++; |
04b4d69c AN |
1299 | |
1300 | /* | |
1301 | * The workqueue is slow to process the tx_queue and we need stop | |
1302 | * the queue here, otherwise the queue will get too long. | |
1303 | */ | |
1c33db78 | 1304 | if (wlvif->tx_queue_count[q] >= WL1271_TX_QUEUE_HIGH_WATERMARK && |
d6037d22 | 1305 | !wlcore_is_queue_stopped_by_reason_locked(wl, wlvif, q, |
8cdc44aa | 1306 | WLCORE_QUEUE_STOP_REASON_WATERMARK)) { |
04b4d69c | 1307 | wl1271_debug(DEBUG_TX, "op_tx: stopping queues for q %d", q); |
1c33db78 | 1308 | wlcore_stop_queue_locked(wl, wlvif, q, |
66396114 | 1309 | WLCORE_QUEUE_STOP_REASON_WATERMARK); |
04b4d69c AN |
1310 | } |
1311 | ||
f5fc0f86 LC |
1312 | /* |
1313 | * The chip specific setup must run before the first TX packet - | |
1314 | * before that, the tx_work will not be initialized! | |
1315 | */ | |
1316 | ||
b07d4037 IY |
1317 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
1318 | !test_bit(WL1271_FLAG_TX_PENDING, &wl->flags)) | |
a522550a | 1319 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
b07d4037 | 1320 | |
04216da3 | 1321 | out: |
b07d4037 | 1322 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
f5fc0f86 LC |
1323 | } |
1324 | ||
ae47c45f SL |
1325 | int wl1271_tx_dummy_packet(struct wl1271 *wl) |
1326 | { | |
990f5de7 | 1327 | unsigned long flags; |
14623787 AN |
1328 | int q; |
1329 | ||
1330 | /* no need to queue a new dummy packet if one is already pending */ | |
1331 | if (test_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags)) | |
1332 | return 0; | |
1333 | ||
1334 | q = wl1271_tx_get_queue(skb_get_queue_mapping(wl->dummy_packet)); | |
990f5de7 IY |
1335 | |
1336 | spin_lock_irqsave(&wl->wl_lock, flags); | |
1337 | set_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags); | |
f1a46384 | 1338 | wl->tx_queue_count[q]++; |
990f5de7 IY |
1339 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
1340 | ||
1341 | /* The FW is low on RX memory blocks, so send the dummy packet asap */ | |
1342 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags)) | |
eb96f841 | 1343 | return wlcore_tx_work_locked(wl); |
990f5de7 IY |
1344 | |
1345 | /* | |
1346 | * If the FW TX is busy, TX work will be scheduled by the threaded | |
1347 | * interrupt handler function | |
1348 | */ | |
1349 | return 0; | |
1350 | } | |
1351 | ||
1352 | /* | |
1353 | * The size of the dummy packet should be at least 1400 bytes. However, in | |
1354 | * order to minimize the number of bus transactions, aligning it to 512 bytes | |
1355 | * boundaries could be beneficial, performance wise | |
1356 | */ | |
1357 | #define TOTAL_TX_DUMMY_PACKET_SIZE (ALIGN(1400, 512)) | |
1358 | ||
cf27d867 | 1359 | static struct sk_buff *wl12xx_alloc_dummy_packet(struct wl1271 *wl) |
990f5de7 IY |
1360 | { |
1361 | struct sk_buff *skb; | |
ae47c45f | 1362 | struct ieee80211_hdr_3addr *hdr; |
990f5de7 IY |
1363 | unsigned int dummy_packet_size; |
1364 | ||
1365 | dummy_packet_size = TOTAL_TX_DUMMY_PACKET_SIZE - | |
1366 | sizeof(struct wl1271_tx_hw_descr) - sizeof(*hdr); | |
ae47c45f | 1367 | |
990f5de7 | 1368 | skb = dev_alloc_skb(TOTAL_TX_DUMMY_PACKET_SIZE); |
ae47c45f | 1369 | if (!skb) { |
990f5de7 IY |
1370 | wl1271_warning("Failed to allocate a dummy packet skb"); |
1371 | return NULL; | |
ae47c45f SL |
1372 | } |
1373 | ||
1374 | skb_reserve(skb, sizeof(struct wl1271_tx_hw_descr)); | |
1375 | ||
1376 | hdr = (struct ieee80211_hdr_3addr *) skb_put(skb, sizeof(*hdr)); | |
1377 | memset(hdr, 0, sizeof(*hdr)); | |
1378 | hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
990f5de7 IY |
1379 | IEEE80211_STYPE_NULLFUNC | |
1380 | IEEE80211_FCTL_TODS); | |
ae47c45f | 1381 | |
990f5de7 | 1382 | memset(skb_put(skb, dummy_packet_size), 0, dummy_packet_size); |
ae47c45f | 1383 | |
18b92ffa LC |
1384 | /* Dummy packets require the TID to be management */ |
1385 | skb->priority = WL1271_TID_MGMT; | |
ae47c45f | 1386 | |
990f5de7 | 1387 | /* Initialize all fields that might be used */ |
86c438f4 | 1388 | skb_set_queue_mapping(skb, 0); |
990f5de7 | 1389 | memset(IEEE80211_SKB_CB(skb), 0, sizeof(struct ieee80211_tx_info)); |
ae47c45f | 1390 | |
990f5de7 | 1391 | return skb; |
ae47c45f SL |
1392 | } |
1393 | ||
990f5de7 | 1394 | |
f634a4e7 | 1395 | #ifdef CONFIG_PM |
22479972 | 1396 | static int |
50ac6607 | 1397 | wl1271_validate_wowlan_pattern(struct cfg80211_pkt_pattern *p) |
b95d7cef ES |
1398 | { |
1399 | int num_fields = 0, in_field = 0, fields_size = 0; | |
1400 | int i, pattern_len = 0; | |
1401 | ||
1402 | if (!p->mask) { | |
1403 | wl1271_warning("No mask in WoWLAN pattern"); | |
1404 | return -EINVAL; | |
1405 | } | |
1406 | ||
1407 | /* | |
1408 | * The pattern is broken up into segments of bytes at different offsets | |
1409 | * that need to be checked by the FW filter. Each segment is called | |
1410 | * a field in the FW API. We verify that the total number of fields | |
1411 | * required for this pattern won't exceed FW limits (8) | |
1412 | * as well as the total fields buffer won't exceed the FW limit. | |
1413 | * Note that if there's a pattern which crosses Ethernet/IP header | |
1414 | * boundary a new field is required. | |
1415 | */ | |
1416 | for (i = 0; i < p->pattern_len; i++) { | |
1417 | if (test_bit(i, (unsigned long *)p->mask)) { | |
1418 | if (!in_field) { | |
1419 | in_field = 1; | |
1420 | pattern_len = 1; | |
1421 | } else { | |
1422 | if (i == WL1271_RX_FILTER_ETH_HEADER_SIZE) { | |
1423 | num_fields++; | |
1424 | fields_size += pattern_len + | |
1425 | RX_FILTER_FIELD_OVERHEAD; | |
1426 | pattern_len = 1; | |
1427 | } else | |
1428 | pattern_len++; | |
1429 | } | |
1430 | } else { | |
1431 | if (in_field) { | |
1432 | in_field = 0; | |
1433 | fields_size += pattern_len + | |
1434 | RX_FILTER_FIELD_OVERHEAD; | |
1435 | num_fields++; | |
1436 | } | |
1437 | } | |
1438 | } | |
1439 | ||
1440 | if (in_field) { | |
1441 | fields_size += pattern_len + RX_FILTER_FIELD_OVERHEAD; | |
1442 | num_fields++; | |
1443 | } | |
1444 | ||
1445 | if (num_fields > WL1271_RX_FILTER_MAX_FIELDS) { | |
1446 | wl1271_warning("RX Filter too complex. Too many segments"); | |
1447 | return -EINVAL; | |
1448 | } | |
1449 | ||
1450 | if (fields_size > WL1271_RX_FILTER_MAX_FIELDS_SIZE) { | |
1451 | wl1271_warning("RX filter pattern is too big"); | |
1452 | return -E2BIG; | |
1453 | } | |
1454 | ||
1455 | return 0; | |
1456 | } | |
1457 | ||
a6eab0c8 ES |
1458 | struct wl12xx_rx_filter *wl1271_rx_filter_alloc(void) |
1459 | { | |
1460 | return kzalloc(sizeof(struct wl12xx_rx_filter), GFP_KERNEL); | |
1461 | } | |
1462 | ||
1463 | void wl1271_rx_filter_free(struct wl12xx_rx_filter *filter) | |
1464 | { | |
1465 | int i; | |
1466 | ||
1467 | if (filter == NULL) | |
1468 | return; | |
1469 | ||
1470 | for (i = 0; i < filter->num_fields; i++) | |
1471 | kfree(filter->fields[i].pattern); | |
1472 | ||
1473 | kfree(filter); | |
1474 | } | |
1475 | ||
1476 | int wl1271_rx_filter_alloc_field(struct wl12xx_rx_filter *filter, | |
1477 | u16 offset, u8 flags, | |
922bd80f | 1478 | const u8 *pattern, u8 len) |
a6eab0c8 ES |
1479 | { |
1480 | struct wl12xx_rx_filter_field *field; | |
1481 | ||
1482 | if (filter->num_fields == WL1271_RX_FILTER_MAX_FIELDS) { | |
1483 | wl1271_warning("Max fields per RX filter. can't alloc another"); | |
1484 | return -EINVAL; | |
1485 | } | |
1486 | ||
1487 | field = &filter->fields[filter->num_fields]; | |
1488 | ||
1489 | field->pattern = kzalloc(len, GFP_KERNEL); | |
1490 | if (!field->pattern) { | |
1491 | wl1271_warning("Failed to allocate RX filter pattern"); | |
1492 | return -ENOMEM; | |
1493 | } | |
1494 | ||
1495 | filter->num_fields++; | |
1496 | ||
1497 | field->offset = cpu_to_le16(offset); | |
1498 | field->flags = flags; | |
1499 | field->len = len; | |
1500 | memcpy(field->pattern, pattern, len); | |
1501 | ||
1502 | return 0; | |
1503 | } | |
1504 | ||
1505 | int wl1271_rx_filter_get_fields_size(struct wl12xx_rx_filter *filter) | |
1506 | { | |
1507 | int i, fields_size = 0; | |
1508 | ||
1509 | for (i = 0; i < filter->num_fields; i++) | |
1510 | fields_size += filter->fields[i].len + | |
1511 | sizeof(struct wl12xx_rx_filter_field) - | |
1512 | sizeof(u8 *); | |
1513 | ||
1514 | return fields_size; | |
1515 | } | |
1516 | ||
1517 | void wl1271_rx_filter_flatten_fields(struct wl12xx_rx_filter *filter, | |
1518 | u8 *buf) | |
1519 | { | |
1520 | int i; | |
1521 | struct wl12xx_rx_filter_field *field; | |
1522 | ||
1523 | for (i = 0; i < filter->num_fields; i++) { | |
1524 | field = (struct wl12xx_rx_filter_field *)buf; | |
1525 | ||
1526 | field->offset = filter->fields[i].offset; | |
1527 | field->flags = filter->fields[i].flags; | |
1528 | field->len = filter->fields[i].len; | |
1529 | ||
1530 | memcpy(&field->pattern, filter->fields[i].pattern, field->len); | |
1531 | buf += sizeof(struct wl12xx_rx_filter_field) - | |
1532 | sizeof(u8 *) + field->len; | |
1533 | } | |
1534 | } | |
1535 | ||
b95d7cef ES |
1536 | /* |
1537 | * Allocates an RX filter returned through f | |
1538 | * which needs to be freed using rx_filter_free() | |
1539 | */ | |
50ac6607 AK |
1540 | static int |
1541 | wl1271_convert_wowlan_pattern_to_rx_filter(struct cfg80211_pkt_pattern *p, | |
1542 | struct wl12xx_rx_filter **f) | |
b95d7cef ES |
1543 | { |
1544 | int i, j, ret = 0; | |
1545 | struct wl12xx_rx_filter *filter; | |
1546 | u16 offset; | |
1547 | u8 flags, len; | |
1548 | ||
1549 | filter = wl1271_rx_filter_alloc(); | |
1550 | if (!filter) { | |
1551 | wl1271_warning("Failed to alloc rx filter"); | |
1552 | ret = -ENOMEM; | |
1553 | goto err; | |
1554 | } | |
1555 | ||
1556 | i = 0; | |
1557 | while (i < p->pattern_len) { | |
1558 | if (!test_bit(i, (unsigned long *)p->mask)) { | |
1559 | i++; | |
1560 | continue; | |
1561 | } | |
1562 | ||
1563 | for (j = i; j < p->pattern_len; j++) { | |
1564 | if (!test_bit(j, (unsigned long *)p->mask)) | |
1565 | break; | |
1566 | ||
1567 | if (i < WL1271_RX_FILTER_ETH_HEADER_SIZE && | |
1568 | j >= WL1271_RX_FILTER_ETH_HEADER_SIZE) | |
1569 | break; | |
1570 | } | |
1571 | ||
1572 | if (i < WL1271_RX_FILTER_ETH_HEADER_SIZE) { | |
1573 | offset = i; | |
1574 | flags = WL1271_RX_FILTER_FLAG_ETHERNET_HEADER; | |
1575 | } else { | |
1576 | offset = i - WL1271_RX_FILTER_ETH_HEADER_SIZE; | |
1577 | flags = WL1271_RX_FILTER_FLAG_IP_HEADER; | |
1578 | } | |
1579 | ||
1580 | len = j - i; | |
1581 | ||
1582 | ret = wl1271_rx_filter_alloc_field(filter, | |
1583 | offset, | |
1584 | flags, | |
1585 | &p->pattern[i], len); | |
1586 | if (ret) | |
1587 | goto err; | |
1588 | ||
1589 | i = j; | |
1590 | } | |
1591 | ||
1592 | filter->action = FILTER_SIGNAL; | |
1593 | ||
1594 | *f = filter; | |
1595 | return 0; | |
1596 | ||
1597 | err: | |
1598 | wl1271_rx_filter_free(filter); | |
1599 | *f = NULL; | |
1600 | ||
1601 | return ret; | |
1602 | } | |
1603 | ||
1604 | static int wl1271_configure_wowlan(struct wl1271 *wl, | |
1605 | struct cfg80211_wowlan *wow) | |
1606 | { | |
1607 | int i, ret; | |
1608 | ||
1609 | if (!wow || wow->any || !wow->n_patterns) { | |
c439a1ca AN |
1610 | ret = wl1271_acx_default_rx_filter_enable(wl, 0, |
1611 | FILTER_SIGNAL); | |
1612 | if (ret) | |
1613 | goto out; | |
1614 | ||
1615 | ret = wl1271_rx_filter_clear_all(wl); | |
1616 | if (ret) | |
1617 | goto out; | |
1618 | ||
b95d7cef ES |
1619 | return 0; |
1620 | } | |
1621 | ||
1622 | if (WARN_ON(wow->n_patterns > WL1271_MAX_RX_FILTERS)) | |
1623 | return -EINVAL; | |
1624 | ||
1625 | /* Validate all incoming patterns before clearing current FW state */ | |
1626 | for (i = 0; i < wow->n_patterns; i++) { | |
1627 | ret = wl1271_validate_wowlan_pattern(&wow->patterns[i]); | |
1628 | if (ret) { | |
1629 | wl1271_warning("Bad wowlan pattern %d", i); | |
1630 | return ret; | |
1631 | } | |
1632 | } | |
1633 | ||
c439a1ca AN |
1634 | ret = wl1271_acx_default_rx_filter_enable(wl, 0, FILTER_SIGNAL); |
1635 | if (ret) | |
1636 | goto out; | |
1637 | ||
1638 | ret = wl1271_rx_filter_clear_all(wl); | |
1639 | if (ret) | |
1640 | goto out; | |
b95d7cef ES |
1641 | |
1642 | /* Translate WoWLAN patterns into filters */ | |
1643 | for (i = 0; i < wow->n_patterns; i++) { | |
50ac6607 | 1644 | struct cfg80211_pkt_pattern *p; |
b95d7cef ES |
1645 | struct wl12xx_rx_filter *filter = NULL; |
1646 | ||
1647 | p = &wow->patterns[i]; | |
1648 | ||
1649 | ret = wl1271_convert_wowlan_pattern_to_rx_filter(p, &filter); | |
1650 | if (ret) { | |
1651 | wl1271_warning("Failed to create an RX filter from " | |
1652 | "wowlan pattern %d", i); | |
1653 | goto out; | |
1654 | } | |
1655 | ||
1656 | ret = wl1271_rx_filter_enable(wl, i, 1, filter); | |
1657 | ||
1658 | wl1271_rx_filter_free(filter); | |
1659 | if (ret) | |
1660 | goto out; | |
1661 | } | |
1662 | ||
1663 | ret = wl1271_acx_default_rx_filter_enable(wl, 1, FILTER_DROP); | |
1664 | ||
1665 | out: | |
1666 | return ret; | |
1667 | } | |
1668 | ||
dae728fe | 1669 | static int wl1271_configure_suspend_sta(struct wl1271 *wl, |
b95d7cef ES |
1670 | struct wl12xx_vif *wlvif, |
1671 | struct cfg80211_wowlan *wow) | |
dae728fe ES |
1672 | { |
1673 | int ret = 0; | |
1674 | ||
dae728fe | 1675 | if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
c56dbd57 | 1676 | goto out; |
dae728fe | 1677 | |
c439a1ca AN |
1678 | ret = wl1271_configure_wowlan(wl, wow); |
1679 | if (ret < 0) | |
6d5a748d | 1680 | goto out; |
c439a1ca | 1681 | |
11bc97eb ES |
1682 | if ((wl->conf.conn.suspend_wake_up_event == |
1683 | wl->conf.conn.wake_up_event) && | |
1684 | (wl->conf.conn.suspend_listen_interval == | |
1685 | wl->conf.conn.listen_interval)) | |
6d5a748d | 1686 | goto out; |
11bc97eb | 1687 | |
dae728fe ES |
1688 | ret = wl1271_acx_wake_up_conditions(wl, wlvif, |
1689 | wl->conf.conn.suspend_wake_up_event, | |
1690 | wl->conf.conn.suspend_listen_interval); | |
1691 | ||
1692 | if (ret < 0) | |
1693 | wl1271_error("suspend: set wake up conditions failed: %d", ret); | |
c56dbd57 | 1694 | out: |
dae728fe ES |
1695 | return ret; |
1696 | ||
1697 | } | |
9439064c | 1698 | |
0603d891 | 1699 | static int wl1271_configure_suspend_ap(struct wl1271 *wl, |
b8714d1b EP |
1700 | struct wl12xx_vif *wlvif, |
1701 | struct cfg80211_wowlan *wow) | |
8a7cf3fe | 1702 | { |
e85d1629 | 1703 | int ret = 0; |
8a7cf3fe | 1704 | |
53d40d0b | 1705 | if (!test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) |
c56dbd57 | 1706 | goto out; |
e85d1629 | 1707 | |
0603d891 | 1708 | ret = wl1271_acx_beacon_filter_opt(wl, wlvif, true); |
b8714d1b EP |
1709 | if (ret < 0) |
1710 | goto out; | |
1711 | ||
1712 | ret = wl1271_configure_wowlan(wl, wow); | |
1713 | if (ret < 0) | |
1714 | goto out; | |
8a7cf3fe | 1715 | |
c56dbd57 | 1716 | out: |
8a7cf3fe EP |
1717 | return ret; |
1718 | ||
1719 | } | |
1720 | ||
d2d66c56 | 1721 | static int wl1271_configure_suspend(struct wl1271 *wl, |
b95d7cef ES |
1722 | struct wl12xx_vif *wlvif, |
1723 | struct cfg80211_wowlan *wow) | |
8a7cf3fe | 1724 | { |
dae728fe | 1725 | if (wlvif->bss_type == BSS_TYPE_STA_BSS) |
b95d7cef | 1726 | return wl1271_configure_suspend_sta(wl, wlvif, wow); |
536129c8 | 1727 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) |
b8714d1b | 1728 | return wl1271_configure_suspend_ap(wl, wlvif, wow); |
8a7cf3fe EP |
1729 | return 0; |
1730 | } | |
1731 | ||
8f6ac537 | 1732 | static void wl1271_configure_resume(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
9439064c | 1733 | { |
dae728fe | 1734 | int ret = 0; |
536129c8 | 1735 | bool is_ap = wlvif->bss_type == BSS_TYPE_AP_BSS; |
dae728fe | 1736 | bool is_sta = wlvif->bss_type == BSS_TYPE_STA_BSS; |
9439064c | 1737 | |
dae728fe | 1738 | if ((!is_ap) && (!is_sta)) |
9439064c EP |
1739 | return; |
1740 | ||
b8714d1b EP |
1741 | if ((is_sta && !test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) || |
1742 | (is_ap && !test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags))) | |
d49524d3 EP |
1743 | return; |
1744 | ||
b8714d1b | 1745 | wl1271_configure_wowlan(wl, NULL); |
b95d7cef | 1746 | |
b8714d1b | 1747 | if (is_sta) { |
11bc97eb ES |
1748 | if ((wl->conf.conn.suspend_wake_up_event == |
1749 | wl->conf.conn.wake_up_event) && | |
1750 | (wl->conf.conn.suspend_listen_interval == | |
1751 | wl->conf.conn.listen_interval)) | |
6d5a748d | 1752 | return; |
11bc97eb | 1753 | |
dae728fe ES |
1754 | ret = wl1271_acx_wake_up_conditions(wl, wlvif, |
1755 | wl->conf.conn.wake_up_event, | |
1756 | wl->conf.conn.listen_interval); | |
1757 | ||
1758 | if (ret < 0) | |
1759 | wl1271_error("resume: wake up conditions failed: %d", | |
1760 | ret); | |
1761 | ||
1762 | } else if (is_ap) { | |
1763 | ret = wl1271_acx_beacon_filter_opt(wl, wlvif, false); | |
1764 | } | |
9439064c EP |
1765 | } |
1766 | ||
402e4861 EP |
1767 | static int wl1271_op_suspend(struct ieee80211_hw *hw, |
1768 | struct cfg80211_wowlan *wow) | |
1769 | { | |
1770 | struct wl1271 *wl = hw->priv; | |
6e8cd331 | 1771 | struct wl12xx_vif *wlvif; |
4a859df8 EP |
1772 | int ret; |
1773 | ||
402e4861 | 1774 | wl1271_debug(DEBUG_MAC80211, "mac80211 suspend wow=%d", !!wow); |
b95d7cef | 1775 | WARN_ON(!wow); |
f44e5868 | 1776 | |
96caded8 AN |
1777 | /* we want to perform the recovery before suspending */ |
1778 | if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) { | |
1779 | wl1271_warning("postponing suspend to perform recovery"); | |
1780 | return -EBUSY; | |
1781 | } | |
1782 | ||
b9239b66 AN |
1783 | wl1271_tx_flush(wl); |
1784 | ||
c56dbd57 | 1785 | mutex_lock(&wl->mutex); |
6d5a748d RA |
1786 | |
1787 | ret = wl1271_ps_elp_wakeup(wl); | |
bcb51441 DC |
1788 | if (ret < 0) { |
1789 | mutex_unlock(&wl->mutex); | |
6d5a748d | 1790 | return ret; |
bcb51441 | 1791 | } |
6d5a748d | 1792 | |
4a859df8 | 1793 | wl->wow_enabled = true; |
6e8cd331 | 1794 | wl12xx_for_each_wlvif(wl, wlvif) { |
7845af35 EP |
1795 | if (wlcore_is_p2p_mgmt(wlvif)) |
1796 | continue; | |
1797 | ||
b95d7cef | 1798 | ret = wl1271_configure_suspend(wl, wlvif, wow); |
6e8cd331 | 1799 | if (ret < 0) { |
cd840f6a | 1800 | mutex_unlock(&wl->mutex); |
6e8cd331 EP |
1801 | wl1271_warning("couldn't prepare device to suspend"); |
1802 | return ret; | |
1803 | } | |
4a859df8 | 1804 | } |
6d5a748d RA |
1805 | |
1806 | /* disable fast link flow control notifications from FW */ | |
1807 | ret = wlcore_hw_interrupt_notify(wl, false); | |
1808 | if (ret < 0) | |
1809 | goto out_sleep; | |
1810 | ||
1811 | /* if filtering is enabled, configure the FW to drop all RX BA frames */ | |
1812 | ret = wlcore_hw_rx_ba_filter(wl, | |
1813 | !!wl->conf.conn.suspend_rx_ba_activity); | |
1814 | if (ret < 0) | |
1815 | goto out_sleep; | |
1816 | ||
1817 | out_sleep: | |
1818 | wl1271_ps_elp_sleep(wl); | |
c56dbd57 | 1819 | mutex_unlock(&wl->mutex); |
6d5a748d RA |
1820 | |
1821 | if (ret < 0) { | |
1822 | wl1271_warning("couldn't prepare device to suspend"); | |
1823 | return ret; | |
1824 | } | |
1825 | ||
4a859df8 EP |
1826 | /* flush any remaining work */ |
1827 | wl1271_debug(DEBUG_MAC80211, "flushing remaining works"); | |
f44e5868 | 1828 | |
4a859df8 EP |
1829 | /* |
1830 | * disable and re-enable interrupts in order to flush | |
1831 | * the threaded_irq | |
1832 | */ | |
dd5512eb | 1833 | wlcore_disable_interrupts(wl); |
4a859df8 EP |
1834 | |
1835 | /* | |
1836 | * set suspended flag to avoid triggering a new threaded_irq | |
1837 | * work. no need for spinlock as interrupts are disabled. | |
1838 | */ | |
1839 | set_bit(WL1271_FLAG_SUSPENDED, &wl->flags); | |
1840 | ||
dd5512eb | 1841 | wlcore_enable_interrupts(wl); |
4a859df8 | 1842 | flush_work(&wl->tx_work); |
4a859df8 | 1843 | flush_delayed_work(&wl->elp_work); |
f44e5868 | 1844 | |
9be86cf0 AN |
1845 | /* |
1846 | * Cancel the watchdog even if above tx_flush failed. We will detect | |
1847 | * it on resume anyway. | |
1848 | */ | |
1849 | cancel_delayed_work(&wl->tx_watchdog_work); | |
1850 | ||
402e4861 EP |
1851 | return 0; |
1852 | } | |
1853 | ||
1854 | static int wl1271_op_resume(struct ieee80211_hw *hw) | |
1855 | { | |
1856 | struct wl1271 *wl = hw->priv; | |
6e8cd331 | 1857 | struct wl12xx_vif *wlvif; |
4a859df8 | 1858 | unsigned long flags; |
ea0a3cf9 | 1859 | bool run_irq_work = false, pending_recovery; |
725b8277 | 1860 | int ret; |
4a859df8 | 1861 | |
402e4861 EP |
1862 | wl1271_debug(DEBUG_MAC80211, "mac80211 resume wow=%d", |
1863 | wl->wow_enabled); | |
4a859df8 | 1864 | WARN_ON(!wl->wow_enabled); |
f44e5868 EP |
1865 | |
1866 | /* | |
1867 | * re-enable irq_work enqueuing, and call irq_work directly if | |
1868 | * there is a pending work. | |
1869 | */ | |
4a859df8 EP |
1870 | spin_lock_irqsave(&wl->wl_lock, flags); |
1871 | clear_bit(WL1271_FLAG_SUSPENDED, &wl->flags); | |
1872 | if (test_and_clear_bit(WL1271_FLAG_PENDING_WORK, &wl->flags)) | |
1873 | run_irq_work = true; | |
1874 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
9439064c | 1875 | |
725b8277 AN |
1876 | mutex_lock(&wl->mutex); |
1877 | ||
ea0a3cf9 AN |
1878 | /* test the recovery flag before calling any SDIO functions */ |
1879 | pending_recovery = test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, | |
1880 | &wl->flags); | |
1881 | ||
4a859df8 EP |
1882 | if (run_irq_work) { |
1883 | wl1271_debug(DEBUG_MAC80211, | |
1884 | "run postponed irq_work directly"); | |
ea0a3cf9 AN |
1885 | |
1886 | /* don't talk to the HW if recovery is pending */ | |
725b8277 AN |
1887 | if (!pending_recovery) { |
1888 | ret = wlcore_irq_locked(wl); | |
1889 | if (ret) | |
1890 | wl12xx_queue_recovery_work(wl); | |
1891 | } | |
ea0a3cf9 | 1892 | |
dd5512eb | 1893 | wlcore_enable_interrupts(wl); |
f44e5868 | 1894 | } |
c56dbd57 | 1895 | |
ea0a3cf9 AN |
1896 | if (pending_recovery) { |
1897 | wl1271_warning("queuing forgotten recovery on resume"); | |
1898 | ieee80211_queue_work(wl->hw, &wl->recovery_work); | |
6d5a748d | 1899 | goto out_sleep; |
ea0a3cf9 AN |
1900 | } |
1901 | ||
6d5a748d RA |
1902 | ret = wl1271_ps_elp_wakeup(wl); |
1903 | if (ret < 0) | |
1904 | goto out; | |
1905 | ||
6e8cd331 | 1906 | wl12xx_for_each_wlvif(wl, wlvif) { |
7845af35 EP |
1907 | if (wlcore_is_p2p_mgmt(wlvif)) |
1908 | continue; | |
1909 | ||
6e8cd331 EP |
1910 | wl1271_configure_resume(wl, wlvif); |
1911 | } | |
ea0a3cf9 | 1912 | |
6d5a748d RA |
1913 | ret = wlcore_hw_interrupt_notify(wl, true); |
1914 | if (ret < 0) | |
1915 | goto out_sleep; | |
1916 | ||
1917 | /* if filtering is enabled, configure the FW to drop all RX BA frames */ | |
1918 | ret = wlcore_hw_rx_ba_filter(wl, false); | |
1919 | if (ret < 0) | |
1920 | goto out_sleep; | |
1921 | ||
1922 | out_sleep: | |
1923 | wl1271_ps_elp_sleep(wl); | |
1924 | ||
ea0a3cf9 | 1925 | out: |
ff91afc9 | 1926 | wl->wow_enabled = false; |
9be86cf0 AN |
1927 | |
1928 | /* | |
1929 | * Set a flag to re-init the watchdog on the first Tx after resume. | |
1930 | * That way we avoid possible conditions where Tx-complete interrupts | |
1931 | * fail to arrive and we perform a spurious recovery. | |
1932 | */ | |
1933 | set_bit(WL1271_FLAG_REINIT_TX_WDOG, &wl->flags); | |
c56dbd57 | 1934 | mutex_unlock(&wl->mutex); |
f44e5868 | 1935 | |
402e4861 EP |
1936 | return 0; |
1937 | } | |
f634a4e7 | 1938 | #endif |
402e4861 | 1939 | |
f5fc0f86 | 1940 | static int wl1271_op_start(struct ieee80211_hw *hw) |
1b72aecd JO |
1941 | { |
1942 | wl1271_debug(DEBUG_MAC80211, "mac80211 start"); | |
1943 | ||
1944 | /* | |
1945 | * We have to delay the booting of the hardware because | |
1946 | * we need to know the local MAC address before downloading and | |
1947 | * initializing the firmware. The MAC address cannot be changed | |
1948 | * after boot, and without the proper MAC address, the firmware | |
1949 | * will not function properly. | |
1950 | * | |
1951 | * The MAC address is first known when the corresponding interface | |
1952 | * is added. That is where we will initialize the hardware. | |
1953 | */ | |
1954 | ||
d18da7fc | 1955 | return 0; |
1b72aecd JO |
1956 | } |
1957 | ||
c24ec83b | 1958 | static void wlcore_op_stop_locked(struct wl1271 *wl) |
1b72aecd | 1959 | { |
baf6277a EP |
1960 | int i; |
1961 | ||
4cc53383 | 1962 | if (wl->state == WLCORE_STATE_OFF) { |
b666bb7f IY |
1963 | if (test_and_clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, |
1964 | &wl->flags)) | |
1965 | wlcore_enable_interrupts(wl); | |
1966 | ||
10c8cd01 EP |
1967 | return; |
1968 | } | |
46b0cc9f | 1969 | |
baf6277a EP |
1970 | /* |
1971 | * this must be before the cancel_work calls below, so that the work | |
1972 | * functions don't perform further work. | |
1973 | */ | |
4cc53383 | 1974 | wl->state = WLCORE_STATE_OFF; |
c24ec83b IY |
1975 | |
1976 | /* | |
1977 | * Use the nosync variant to disable interrupts, so the mutex could be | |
1978 | * held while doing so without deadlocking. | |
1979 | */ | |
1980 | wlcore_disable_interrupts_nosync(wl); | |
1981 | ||
10c8cd01 EP |
1982 | mutex_unlock(&wl->mutex); |
1983 | ||
c24ec83b | 1984 | wlcore_synchronize_interrupts(wl); |
6dbc5fc2 EP |
1985 | if (!test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) |
1986 | cancel_work_sync(&wl->recovery_work); | |
baf6277a EP |
1987 | wl1271_flush_deferred_work(wl); |
1988 | cancel_delayed_work_sync(&wl->scan_complete_work); | |
1989 | cancel_work_sync(&wl->netstack_work); | |
1990 | cancel_work_sync(&wl->tx_work); | |
baf6277a | 1991 | cancel_delayed_work_sync(&wl->elp_work); |
55df5afb | 1992 | cancel_delayed_work_sync(&wl->tx_watchdog_work); |
baf6277a EP |
1993 | |
1994 | /* let's notify MAC80211 about the remaining pending TX frames */ | |
baf6277a | 1995 | mutex_lock(&wl->mutex); |
d935e385 | 1996 | wl12xx_tx_reset(wl); |
baf6277a EP |
1997 | |
1998 | wl1271_power_off(wl); | |
b666bb7f IY |
1999 | /* |
2000 | * In case a recovery was scheduled, interrupts were disabled to avoid | |
2001 | * an interrupt storm. Now that the power is down, it is safe to | |
2002 | * re-enable interrupts to balance the disable depth | |
2003 | */ | |
2004 | if (test_and_clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) | |
2005 | wlcore_enable_interrupts(wl); | |
baf6277a EP |
2006 | |
2007 | wl->band = IEEE80211_BAND_2GHZ; | |
2008 | ||
2009 | wl->rx_counter = 0; | |
2010 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; | |
83d08d3f | 2011 | wl->channel_type = NL80211_CHAN_NO_HT; |
baf6277a EP |
2012 | wl->tx_blocks_available = 0; |
2013 | wl->tx_allocated_blocks = 0; | |
2014 | wl->tx_results_count = 0; | |
2015 | wl->tx_packets_count = 0; | |
2016 | wl->time_offset = 0; | |
baf6277a EP |
2017 | wl->ap_fw_ps_map = 0; |
2018 | wl->ap_ps_map = 0; | |
2f18cf7c | 2019 | wl->sleep_auth = WL1271_PSM_ILLEGAL; |
baf6277a EP |
2020 | memset(wl->roles_map, 0, sizeof(wl->roles_map)); |
2021 | memset(wl->links_map, 0, sizeof(wl->links_map)); | |
2022 | memset(wl->roc_map, 0, sizeof(wl->roc_map)); | |
978cd3a0 | 2023 | memset(wl->session_ids, 0, sizeof(wl->session_ids)); |
02d0727c | 2024 | memset(wl->rx_filter_enabled, 0, sizeof(wl->rx_filter_enabled)); |
baf6277a | 2025 | wl->active_sta_count = 0; |
9a100968 | 2026 | wl->active_link_count = 0; |
baf6277a EP |
2027 | |
2028 | /* The system link is always allocated */ | |
9ebcb232 AN |
2029 | wl->links[WL12XX_SYSTEM_HLID].allocated_pkts = 0; |
2030 | wl->links[WL12XX_SYSTEM_HLID].prev_freed_pkts = 0; | |
baf6277a EP |
2031 | __set_bit(WL12XX_SYSTEM_HLID, wl->links_map); |
2032 | ||
2033 | /* | |
2034 | * this is performed after the cancel_work calls and the associated | |
2035 | * mutex_lock, so that wl1271_op_add_interface does not accidentally | |
2036 | * get executed before all these vars have been reset. | |
2037 | */ | |
2038 | wl->flags = 0; | |
2039 | ||
2040 | wl->tx_blocks_freed = 0; | |
2041 | ||
2042 | for (i = 0; i < NUM_TX_QUEUES; i++) { | |
2043 | wl->tx_pkts_freed[i] = 0; | |
2044 | wl->tx_allocated_pkts[i] = 0; | |
2045 | } | |
2046 | ||
2047 | wl1271_debugfs_reset(wl); | |
2048 | ||
75fb4df7 EP |
2049 | kfree(wl->raw_fw_status); |
2050 | wl->raw_fw_status = NULL; | |
2051 | kfree(wl->fw_status); | |
2052 | wl->fw_status = NULL; | |
baf6277a EP |
2053 | kfree(wl->tx_res_if); |
2054 | wl->tx_res_if = NULL; | |
2055 | kfree(wl->target_mem_map); | |
2056 | wl->target_mem_map = NULL; | |
6b70e7eb VG |
2057 | |
2058 | /* | |
2059 | * FW channels must be re-calibrated after recovery, | |
8d3c1fd8 | 2060 | * save current Reg-Domain channel configuration and clear it. |
6b70e7eb | 2061 | */ |
8d3c1fd8 EP |
2062 | memcpy(wl->reg_ch_conf_pending, wl->reg_ch_conf_last, |
2063 | sizeof(wl->reg_ch_conf_pending)); | |
6b70e7eb | 2064 | memset(wl->reg_ch_conf_last, 0, sizeof(wl->reg_ch_conf_last)); |
c24ec83b IY |
2065 | } |
2066 | ||
2067 | static void wlcore_op_stop(struct ieee80211_hw *hw) | |
2068 | { | |
2069 | struct wl1271 *wl = hw->priv; | |
2070 | ||
2071 | wl1271_debug(DEBUG_MAC80211, "mac80211 stop"); | |
2072 | ||
2073 | mutex_lock(&wl->mutex); | |
2074 | ||
2075 | wlcore_op_stop_locked(wl); | |
baf6277a EP |
2076 | |
2077 | mutex_unlock(&wl->mutex); | |
1b72aecd JO |
2078 | } |
2079 | ||
c50a2825 EP |
2080 | static void wlcore_channel_switch_work(struct work_struct *work) |
2081 | { | |
2082 | struct delayed_work *dwork; | |
2083 | struct wl1271 *wl; | |
2084 | struct ieee80211_vif *vif; | |
2085 | struct wl12xx_vif *wlvif; | |
2086 | int ret; | |
2087 | ||
2088 | dwork = container_of(work, struct delayed_work, work); | |
2089 | wlvif = container_of(dwork, struct wl12xx_vif, channel_switch_work); | |
2090 | wl = wlvif->wl; | |
2091 | ||
2092 | wl1271_info("channel switch failed (role_id: %d).", wlvif->role_id); | |
2093 | ||
2094 | mutex_lock(&wl->mutex); | |
2095 | ||
2096 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
2097 | goto out; | |
2098 | ||
2099 | /* check the channel switch is still ongoing */ | |
2100 | if (!test_and_clear_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags)) | |
2101 | goto out; | |
2102 | ||
2103 | vif = wl12xx_wlvif_to_vif(wlvif); | |
2104 | ieee80211_chswitch_done(vif, false); | |
2105 | ||
2106 | ret = wl1271_ps_elp_wakeup(wl); | |
2107 | if (ret < 0) | |
2108 | goto out; | |
2109 | ||
2110 | wl12xx_cmd_stop_channel_switch(wl, wlvif); | |
2111 | ||
2112 | wl1271_ps_elp_sleep(wl); | |
2113 | out: | |
2114 | mutex_unlock(&wl->mutex); | |
2115 | } | |
2116 | ||
2117 | static void wlcore_connection_loss_work(struct work_struct *work) | |
2118 | { | |
2119 | struct delayed_work *dwork; | |
2120 | struct wl1271 *wl; | |
2121 | struct ieee80211_vif *vif; | |
2122 | struct wl12xx_vif *wlvif; | |
2123 | ||
2124 | dwork = container_of(work, struct delayed_work, work); | |
2125 | wlvif = container_of(dwork, struct wl12xx_vif, connection_loss_work); | |
2126 | wl = wlvif->wl; | |
2127 | ||
2128 | wl1271_info("Connection loss work (role_id: %d).", wlvif->role_id); | |
2129 | ||
2130 | mutex_lock(&wl->mutex); | |
2131 | ||
2132 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
2133 | goto out; | |
2134 | ||
2135 | /* Call mac80211 connection loss */ | |
2136 | if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) | |
2137 | goto out; | |
2138 | ||
2139 | vif = wl12xx_wlvif_to_vif(wlvif); | |
2140 | ieee80211_connection_loss(vif); | |
2141 | out: | |
2142 | mutex_unlock(&wl->mutex); | |
2143 | } | |
2144 | ||
187e52cc AN |
2145 | static void wlcore_pending_auth_complete_work(struct work_struct *work) |
2146 | { | |
2147 | struct delayed_work *dwork; | |
2148 | struct wl1271 *wl; | |
2149 | struct wl12xx_vif *wlvif; | |
2150 | unsigned long time_spare; | |
2151 | int ret; | |
2152 | ||
2153 | dwork = container_of(work, struct delayed_work, work); | |
2154 | wlvif = container_of(dwork, struct wl12xx_vif, | |
2155 | pending_auth_complete_work); | |
2156 | wl = wlvif->wl; | |
2157 | ||
2158 | mutex_lock(&wl->mutex); | |
2159 | ||
2160 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
2161 | goto out; | |
2162 | ||
2163 | /* | |
2164 | * Make sure a second really passed since the last auth reply. Maybe | |
2165 | * a second auth reply arrived while we were stuck on the mutex. | |
2166 | * Check for a little less than the timeout to protect from scheduler | |
2167 | * irregularities. | |
2168 | */ | |
2169 | time_spare = jiffies + | |
2170 | msecs_to_jiffies(WLCORE_PEND_AUTH_ROC_TIMEOUT - 50); | |
2171 | if (!time_after(time_spare, wlvif->pending_auth_reply_time)) | |
2172 | goto out; | |
2173 | ||
2174 | ret = wl1271_ps_elp_wakeup(wl); | |
2175 | if (ret < 0) | |
2176 | goto out; | |
2177 | ||
2178 | /* cancel the ROC if active */ | |
2179 | wlcore_update_inconn_sta(wl, wlvif, NULL, false); | |
2180 | ||
2181 | wl1271_ps_elp_sleep(wl); | |
2182 | out: | |
2183 | mutex_unlock(&wl->mutex); | |
2184 | } | |
2185 | ||
e5a359f8 EP |
2186 | static int wl12xx_allocate_rate_policy(struct wl1271 *wl, u8 *idx) |
2187 | { | |
2188 | u8 policy = find_first_zero_bit(wl->rate_policies_map, | |
2189 | WL12XX_MAX_RATE_POLICIES); | |
2190 | if (policy >= WL12XX_MAX_RATE_POLICIES) | |
2191 | return -EBUSY; | |
2192 | ||
2193 | __set_bit(policy, wl->rate_policies_map); | |
2194 | *idx = policy; | |
2195 | return 0; | |
2196 | } | |
2197 | ||
2198 | static void wl12xx_free_rate_policy(struct wl1271 *wl, u8 *idx) | |
2199 | { | |
2200 | if (WARN_ON(*idx >= WL12XX_MAX_RATE_POLICIES)) | |
2201 | return; | |
2202 | ||
2203 | __clear_bit(*idx, wl->rate_policies_map); | |
2204 | *idx = WL12XX_MAX_RATE_POLICIES; | |
2205 | } | |
2206 | ||
001e39a8 EP |
2207 | static int wlcore_allocate_klv_template(struct wl1271 *wl, u8 *idx) |
2208 | { | |
2209 | u8 policy = find_first_zero_bit(wl->klv_templates_map, | |
2210 | WLCORE_MAX_KLV_TEMPLATES); | |
2211 | if (policy >= WLCORE_MAX_KLV_TEMPLATES) | |
2212 | return -EBUSY; | |
2213 | ||
2214 | __set_bit(policy, wl->klv_templates_map); | |
2215 | *idx = policy; | |
2216 | return 0; | |
2217 | } | |
2218 | ||
2219 | static void wlcore_free_klv_template(struct wl1271 *wl, u8 *idx) | |
2220 | { | |
2221 | if (WARN_ON(*idx >= WLCORE_MAX_KLV_TEMPLATES)) | |
2222 | return; | |
2223 | ||
2224 | __clear_bit(*idx, wl->klv_templates_map); | |
2225 | *idx = WLCORE_MAX_KLV_TEMPLATES; | |
2226 | } | |
2227 | ||
536129c8 | 2228 | static u8 wl12xx_get_role_type(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
b78b47eb | 2229 | { |
536129c8 | 2230 | switch (wlvif->bss_type) { |
b78b47eb | 2231 | case BSS_TYPE_AP_BSS: |
fb0e707c | 2232 | if (wlvif->p2p) |
045c745f EP |
2233 | return WL1271_ROLE_P2P_GO; |
2234 | else | |
2235 | return WL1271_ROLE_AP; | |
b78b47eb EP |
2236 | |
2237 | case BSS_TYPE_STA_BSS: | |
fb0e707c | 2238 | if (wlvif->p2p) |
045c745f EP |
2239 | return WL1271_ROLE_P2P_CL; |
2240 | else | |
2241 | return WL1271_ROLE_STA; | |
b78b47eb | 2242 | |
227e81e1 EP |
2243 | case BSS_TYPE_IBSS: |
2244 | return WL1271_ROLE_IBSS; | |
2245 | ||
b78b47eb | 2246 | default: |
536129c8 | 2247 | wl1271_error("invalid bss_type: %d", wlvif->bss_type); |
b78b47eb EP |
2248 | } |
2249 | return WL12XX_INVALID_ROLE_TYPE; | |
2250 | } | |
2251 | ||
83587505 | 2252 | static int wl12xx_init_vif_data(struct wl1271 *wl, struct ieee80211_vif *vif) |
87fbcb0f | 2253 | { |
e936bbe0 | 2254 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
e5a359f8 | 2255 | int i; |
e936bbe0 | 2256 | |
48e93e40 EP |
2257 | /* clear everything but the persistent data */ |
2258 | memset(wlvif, 0, offsetof(struct wl12xx_vif, persistent)); | |
e936bbe0 EP |
2259 | |
2260 | switch (ieee80211_vif_type_p2p(vif)) { | |
2261 | case NL80211_IFTYPE_P2P_CLIENT: | |
2262 | wlvif->p2p = 1; | |
2263 | /* fall-through */ | |
2264 | case NL80211_IFTYPE_STATION: | |
7845af35 | 2265 | case NL80211_IFTYPE_P2P_DEVICE: |
e936bbe0 EP |
2266 | wlvif->bss_type = BSS_TYPE_STA_BSS; |
2267 | break; | |
2268 | case NL80211_IFTYPE_ADHOC: | |
2269 | wlvif->bss_type = BSS_TYPE_IBSS; | |
2270 | break; | |
2271 | case NL80211_IFTYPE_P2P_GO: | |
2272 | wlvif->p2p = 1; | |
2273 | /* fall-through */ | |
2274 | case NL80211_IFTYPE_AP: | |
2275 | wlvif->bss_type = BSS_TYPE_AP_BSS; | |
2276 | break; | |
2277 | default: | |
2278 | wlvif->bss_type = MAX_BSS_TYPE; | |
2279 | return -EOPNOTSUPP; | |
2280 | } | |
2281 | ||
0603d891 | 2282 | wlvif->role_id = WL12XX_INVALID_ROLE_ID; |
7edebf56 | 2283 | wlvif->dev_role_id = WL12XX_INVALID_ROLE_ID; |
afaf8bdb | 2284 | wlvif->dev_hlid = WL12XX_INVALID_LINK_ID; |
a8ab39a4 | 2285 | |
e936bbe0 EP |
2286 | if (wlvif->bss_type == BSS_TYPE_STA_BSS || |
2287 | wlvif->bss_type == BSS_TYPE_IBSS) { | |
2288 | /* init sta/ibss data */ | |
2289 | wlvif->sta.hlid = WL12XX_INVALID_LINK_ID; | |
e5a359f8 EP |
2290 | wl12xx_allocate_rate_policy(wl, &wlvif->sta.basic_rate_idx); |
2291 | wl12xx_allocate_rate_policy(wl, &wlvif->sta.ap_rate_idx); | |
2292 | wl12xx_allocate_rate_policy(wl, &wlvif->sta.p2p_rate_idx); | |
001e39a8 | 2293 | wlcore_allocate_klv_template(wl, &wlvif->sta.klv_template_id); |
15e05bc0 LC |
2294 | wlvif->basic_rate_set = CONF_TX_RATE_MASK_BASIC; |
2295 | wlvif->basic_rate = CONF_TX_RATE_MASK_BASIC; | |
2296 | wlvif->rate_set = CONF_TX_RATE_MASK_BASIC; | |
e936bbe0 EP |
2297 | } else { |
2298 | /* init ap data */ | |
2299 | wlvif->ap.bcast_hlid = WL12XX_INVALID_LINK_ID; | |
2300 | wlvif->ap.global_hlid = WL12XX_INVALID_LINK_ID; | |
e5a359f8 EP |
2301 | wl12xx_allocate_rate_policy(wl, &wlvif->ap.mgmt_rate_idx); |
2302 | wl12xx_allocate_rate_policy(wl, &wlvif->ap.bcast_rate_idx); | |
2303 | for (i = 0; i < CONF_TX_MAX_AC_COUNT; i++) | |
2304 | wl12xx_allocate_rate_policy(wl, | |
2305 | &wlvif->ap.ucast_rate_idx[i]); | |
42ec1f82 | 2306 | wlvif->basic_rate_set = CONF_TX_ENABLED_RATES; |
15e05bc0 LC |
2307 | /* |
2308 | * TODO: check if basic_rate shouldn't be | |
2309 | * wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); | |
2310 | * instead (the same thing for STA above). | |
2311 | */ | |
42ec1f82 | 2312 | wlvif->basic_rate = CONF_TX_ENABLED_RATES; |
15e05bc0 | 2313 | /* TODO: this seems to be used only for STA, check it */ |
42ec1f82 | 2314 | wlvif->rate_set = CONF_TX_ENABLED_RATES; |
e936bbe0 | 2315 | } |
a8ab39a4 | 2316 | |
83587505 EP |
2317 | wlvif->bitrate_masks[IEEE80211_BAND_2GHZ] = wl->conf.tx.basic_rate; |
2318 | wlvif->bitrate_masks[IEEE80211_BAND_5GHZ] = wl->conf.tx.basic_rate_5; | |
6a899796 EP |
2319 | wlvif->beacon_int = WL1271_DEFAULT_BEACON_INT; |
2320 | ||
1b92f15e EP |
2321 | /* |
2322 | * mac80211 configures some values globally, while we treat them | |
2323 | * per-interface. thus, on init, we have to copy them from wl | |
2324 | */ | |
2325 | wlvif->band = wl->band; | |
61f845f4 | 2326 | wlvif->channel = wl->channel; |
6bd65029 | 2327 | wlvif->power_level = wl->power_level; |
83d08d3f | 2328 | wlvif->channel_type = wl->channel_type; |
1b92f15e | 2329 | |
9eb599e9 EP |
2330 | INIT_WORK(&wlvif->rx_streaming_enable_work, |
2331 | wl1271_rx_streaming_enable_work); | |
2332 | INIT_WORK(&wlvif->rx_streaming_disable_work, | |
2333 | wl1271_rx_streaming_disable_work); | |
7d3b29e5 | 2334 | INIT_WORK(&wlvif->rc_update_work, wlcore_rc_update_work); |
c50a2825 EP |
2335 | INIT_DELAYED_WORK(&wlvif->channel_switch_work, |
2336 | wlcore_channel_switch_work); | |
2337 | INIT_DELAYED_WORK(&wlvif->connection_loss_work, | |
2338 | wlcore_connection_loss_work); | |
187e52cc AN |
2339 | INIT_DELAYED_WORK(&wlvif->pending_auth_complete_work, |
2340 | wlcore_pending_auth_complete_work); | |
87627214 | 2341 | INIT_LIST_HEAD(&wlvif->list); |
252efa4f | 2342 | |
9eb599e9 EP |
2343 | setup_timer(&wlvif->rx_streaming_timer, wl1271_rx_streaming_timer, |
2344 | (unsigned long) wlvif); | |
e936bbe0 | 2345 | return 0; |
87fbcb0f EP |
2346 | } |
2347 | ||
5dc283fe | 2348 | static int wl12xx_init_fw(struct wl1271 *wl) |
f5fc0f86 | 2349 | { |
9ccd9217 | 2350 | int retries = WL1271_BOOT_RETRIES; |
71125abd | 2351 | bool booted = false; |
1d095475 EP |
2352 | struct wiphy *wiphy = wl->hw->wiphy; |
2353 | int ret; | |
f5fc0f86 | 2354 | |
9ccd9217 JO |
2355 | while (retries) { |
2356 | retries--; | |
3fcdab70 | 2357 | ret = wl12xx_chip_wakeup(wl, false); |
9ccd9217 JO |
2358 | if (ret < 0) |
2359 | goto power_off; | |
f5fc0f86 | 2360 | |
dd5512eb | 2361 | ret = wl->ops->boot(wl); |
9ccd9217 JO |
2362 | if (ret < 0) |
2363 | goto power_off; | |
f5fc0f86 | 2364 | |
92c77c73 EP |
2365 | ret = wl1271_hw_init(wl); |
2366 | if (ret < 0) | |
2367 | goto irq_disable; | |
2368 | ||
71125abd EP |
2369 | booted = true; |
2370 | break; | |
eb5b28d0 | 2371 | |
9ccd9217 | 2372 | irq_disable: |
9ccd9217 JO |
2373 | mutex_unlock(&wl->mutex); |
2374 | /* Unlocking the mutex in the middle of handling is | |
2375 | inherently unsafe. In this case we deem it safe to do, | |
2376 | because we need to let any possibly pending IRQ out of | |
4cc53383 | 2377 | the system (and while we are WLCORE_STATE_OFF the IRQ |
9ccd9217 JO |
2378 | work function will not do anything.) Also, any other |
2379 | possible concurrent operations will fail due to the | |
2380 | current state, hence the wl1271 struct should be safe. */ | |
dd5512eb | 2381 | wlcore_disable_interrupts(wl); |
a620865e IY |
2382 | wl1271_flush_deferred_work(wl); |
2383 | cancel_work_sync(&wl->netstack_work); | |
9ccd9217 JO |
2384 | mutex_lock(&wl->mutex); |
2385 | power_off: | |
2386 | wl1271_power_off(wl); | |
2387 | } | |
eb5b28d0 | 2388 | |
71125abd EP |
2389 | if (!booted) { |
2390 | wl1271_error("firmware boot failed despite %d retries", | |
2391 | WL1271_BOOT_RETRIES); | |
2392 | goto out; | |
2393 | } | |
2394 | ||
4b7fac77 | 2395 | wl1271_info("firmware booted (%s)", wl->chip.fw_ver_str); |
71125abd EP |
2396 | |
2397 | /* update hw/fw version info in wiphy struct */ | |
2398 | wiphy->hw_version = wl->chip.id; | |
4b7fac77 | 2399 | strncpy(wiphy->fw_version, wl->chip.fw_ver_str, |
71125abd EP |
2400 | sizeof(wiphy->fw_version)); |
2401 | ||
fb6a6819 LC |
2402 | /* |
2403 | * Now we know if 11a is supported (info from the NVS), so disable | |
2404 | * 11a channels if not supported | |
2405 | */ | |
2406 | if (!wl->enable_11a) | |
2407 | wiphy->bands[IEEE80211_BAND_5GHZ]->n_channels = 0; | |
2408 | ||
2409 | wl1271_debug(DEBUG_MAC80211, "11a is %ssupported", | |
2410 | wl->enable_11a ? "" : "not "); | |
2411 | ||
4cc53383 | 2412 | wl->state = WLCORE_STATE_ON; |
1d095475 | 2413 | out: |
5dc283fe | 2414 | return ret; |
1d095475 EP |
2415 | } |
2416 | ||
92e712da EP |
2417 | static bool wl12xx_dev_role_started(struct wl12xx_vif *wlvif) |
2418 | { | |
2419 | return wlvif->dev_hlid != WL12XX_INVALID_LINK_ID; | |
2420 | } | |
2421 | ||
4549d09c EP |
2422 | /* |
2423 | * Check whether a fw switch (i.e. moving from one loaded | |
2424 | * fw to another) is needed. This function is also responsible | |
2425 | * for updating wl->last_vif_count, so it must be called before | |
2426 | * loading a non-plt fw (so the correct fw (single-role/multi-role) | |
2427 | * will be used). | |
2428 | */ | |
2429 | static bool wl12xx_need_fw_change(struct wl1271 *wl, | |
2430 | struct vif_counter_data vif_counter_data, | |
2431 | bool add) | |
2432 | { | |
2433 | enum wl12xx_fw_type current_fw = wl->fw_type; | |
2434 | u8 vif_count = vif_counter_data.counter; | |
2435 | ||
2436 | if (test_bit(WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, &wl->flags)) | |
2437 | return false; | |
2438 | ||
2439 | /* increase the vif count if this is a new vif */ | |
2440 | if (add && !vif_counter_data.cur_vif_running) | |
2441 | vif_count++; | |
2442 | ||
2443 | wl->last_vif_count = vif_count; | |
2444 | ||
2445 | /* no need for fw change if the device is OFF */ | |
4cc53383 | 2446 | if (wl->state == WLCORE_STATE_OFF) |
4549d09c EP |
2447 | return false; |
2448 | ||
9b1a0a77 EP |
2449 | /* no need for fw change if a single fw is used */ |
2450 | if (!wl->mr_fw_name) | |
2451 | return false; | |
2452 | ||
4549d09c EP |
2453 | if (vif_count > 1 && current_fw == WL12XX_FW_TYPE_NORMAL) |
2454 | return true; | |
2455 | if (vif_count <= 1 && current_fw == WL12XX_FW_TYPE_MULTI) | |
2456 | return true; | |
2457 | ||
2458 | return false; | |
2459 | } | |
2460 | ||
3dee4393 EP |
2461 | /* |
2462 | * Enter "forced psm". Make sure the sta is in psm against the ap, | |
2463 | * to make the fw switch a bit more disconnection-persistent. | |
2464 | */ | |
2465 | static void wl12xx_force_active_psm(struct wl1271 *wl) | |
2466 | { | |
2467 | struct wl12xx_vif *wlvif; | |
2468 | ||
2469 | wl12xx_for_each_wlvif_sta(wl, wlvif) { | |
2470 | wl1271_ps_set_mode(wl, wlvif, STATION_POWER_SAVE_MODE); | |
2471 | } | |
2472 | } | |
2473 | ||
1c33db78 AN |
2474 | struct wlcore_hw_queue_iter_data { |
2475 | unsigned long hw_queue_map[BITS_TO_LONGS(WLCORE_NUM_MAC_ADDRESSES)]; | |
2476 | /* current vif */ | |
2477 | struct ieee80211_vif *vif; | |
2478 | /* is the current vif among those iterated */ | |
2479 | bool cur_running; | |
2480 | }; | |
2481 | ||
2482 | static void wlcore_hw_queue_iter(void *data, u8 *mac, | |
2483 | struct ieee80211_vif *vif) | |
2484 | { | |
2485 | struct wlcore_hw_queue_iter_data *iter_data = data; | |
2486 | ||
7845af35 EP |
2487 | if (vif->type == NL80211_IFTYPE_P2P_DEVICE || |
2488 | WARN_ON_ONCE(vif->hw_queue[0] == IEEE80211_INVAL_HW_QUEUE)) | |
1c33db78 AN |
2489 | return; |
2490 | ||
2491 | if (iter_data->cur_running || vif == iter_data->vif) { | |
2492 | iter_data->cur_running = true; | |
2493 | return; | |
2494 | } | |
2495 | ||
2496 | __set_bit(vif->hw_queue[0] / NUM_TX_QUEUES, iter_data->hw_queue_map); | |
2497 | } | |
2498 | ||
2499 | static int wlcore_allocate_hw_queue_base(struct wl1271 *wl, | |
2500 | struct wl12xx_vif *wlvif) | |
2501 | { | |
2502 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); | |
2503 | struct wlcore_hw_queue_iter_data iter_data = {}; | |
2504 | int i, q_base; | |
2505 | ||
7845af35 EP |
2506 | if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { |
2507 | vif->cab_queue = IEEE80211_INVAL_HW_QUEUE; | |
2508 | return 0; | |
2509 | } | |
2510 | ||
1c33db78 AN |
2511 | iter_data.vif = vif; |
2512 | ||
2513 | /* mark all bits taken by active interfaces */ | |
2514 | ieee80211_iterate_active_interfaces_atomic(wl->hw, | |
2515 | IEEE80211_IFACE_ITER_RESUME_ALL, | |
2516 | wlcore_hw_queue_iter, &iter_data); | |
2517 | ||
2518 | /* the current vif is already running in mac80211 (resume/recovery) */ | |
2519 | if (iter_data.cur_running) { | |
2520 | wlvif->hw_queue_base = vif->hw_queue[0]; | |
2521 | wl1271_debug(DEBUG_MAC80211, | |
2522 | "using pre-allocated hw queue base %d", | |
2523 | wlvif->hw_queue_base); | |
2524 | ||
2525 | /* interface type might have changed type */ | |
2526 | goto adjust_cab_queue; | |
2527 | } | |
2528 | ||
2529 | q_base = find_first_zero_bit(iter_data.hw_queue_map, | |
2530 | WLCORE_NUM_MAC_ADDRESSES); | |
2531 | if (q_base >= WLCORE_NUM_MAC_ADDRESSES) | |
2532 | return -EBUSY; | |
2533 | ||
2534 | wlvif->hw_queue_base = q_base * NUM_TX_QUEUES; | |
2535 | wl1271_debug(DEBUG_MAC80211, "allocating hw queue base: %d", | |
2536 | wlvif->hw_queue_base); | |
2537 | ||
2538 | for (i = 0; i < NUM_TX_QUEUES; i++) { | |
2539 | wl->queue_stop_reasons[wlvif->hw_queue_base + i] = 0; | |
2540 | /* register hw queues in mac80211 */ | |
2541 | vif->hw_queue[i] = wlvif->hw_queue_base + i; | |
2542 | } | |
2543 | ||
2544 | adjust_cab_queue: | |
2545 | /* the last places are reserved for cab queues per interface */ | |
2546 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) | |
2547 | vif->cab_queue = NUM_TX_QUEUES * WLCORE_NUM_MAC_ADDRESSES + | |
2548 | wlvif->hw_queue_base / NUM_TX_QUEUES; | |
2549 | else | |
2550 | vif->cab_queue = IEEE80211_INVAL_HW_QUEUE; | |
2551 | ||
2552 | return 0; | |
2553 | } | |
2554 | ||
1d095475 EP |
2555 | static int wl1271_op_add_interface(struct ieee80211_hw *hw, |
2556 | struct ieee80211_vif *vif) | |
2557 | { | |
2558 | struct wl1271 *wl = hw->priv; | |
2559 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
4549d09c | 2560 | struct vif_counter_data vif_count; |
1d095475 EP |
2561 | int ret = 0; |
2562 | u8 role_type; | |
1d095475 | 2563 | |
dd491ffb YS |
2564 | if (wl->plt) { |
2565 | wl1271_error("Adding Interface not allowed while in PLT mode"); | |
2566 | return -EBUSY; | |
2567 | } | |
2568 | ||
ea086359 | 2569 | vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | |
848955cc | 2570 | IEEE80211_VIF_SUPPORTS_UAPSD | |
ea086359 | 2571 | IEEE80211_VIF_SUPPORTS_CQM_RSSI; |
c1288b12 | 2572 | |
1d095475 EP |
2573 | wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", |
2574 | ieee80211_vif_type_p2p(vif), vif->addr); | |
2575 | ||
4549d09c EP |
2576 | wl12xx_get_vif_count(hw, vif, &vif_count); |
2577 | ||
1d095475 | 2578 | mutex_lock(&wl->mutex); |
f750c820 EP |
2579 | ret = wl1271_ps_elp_wakeup(wl); |
2580 | if (ret < 0) | |
2581 | goto out_unlock; | |
2582 | ||
1d095475 EP |
2583 | /* |
2584 | * in some very corner case HW recovery scenarios its possible to | |
2585 | * get here before __wl1271_op_remove_interface is complete, so | |
2586 | * opt out if that is the case. | |
2587 | */ | |
10c8cd01 EP |
2588 | if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags) || |
2589 | test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) { | |
1d095475 EP |
2590 | ret = -EBUSY; |
2591 | goto out; | |
2592 | } | |
2593 | ||
3fcdab70 | 2594 | |
83587505 | 2595 | ret = wl12xx_init_vif_data(wl, vif); |
1d095475 EP |
2596 | if (ret < 0) |
2597 | goto out; | |
2598 | ||
2599 | wlvif->wl = wl; | |
2600 | role_type = wl12xx_get_role_type(wl, wlvif); | |
2601 | if (role_type == WL12XX_INVALID_ROLE_TYPE) { | |
2602 | ret = -EINVAL; | |
2603 | goto out; | |
2604 | } | |
2605 | ||
1c33db78 AN |
2606 | ret = wlcore_allocate_hw_queue_base(wl, wlvif); |
2607 | if (ret < 0) | |
2608 | goto out; | |
2609 | ||
4549d09c | 2610 | if (wl12xx_need_fw_change(wl, vif_count, true)) { |
3dee4393 | 2611 | wl12xx_force_active_psm(wl); |
e9ba7152 | 2612 | set_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags); |
4549d09c EP |
2613 | mutex_unlock(&wl->mutex); |
2614 | wl1271_recovery_work(&wl->recovery_work); | |
2615 | return 0; | |
2616 | } | |
2617 | ||
1d095475 EP |
2618 | /* |
2619 | * TODO: after the nvs issue will be solved, move this block | |
2620 | * to start(), and make sure here the driver is ON. | |
2621 | */ | |
4cc53383 | 2622 | if (wl->state == WLCORE_STATE_OFF) { |
1d095475 EP |
2623 | /* |
2624 | * we still need this in order to configure the fw | |
2625 | * while uploading the nvs | |
2626 | */ | |
5e037e74 | 2627 | memcpy(wl->addresses[0].addr, vif->addr, ETH_ALEN); |
1d095475 | 2628 | |
5dc283fe LC |
2629 | ret = wl12xx_init_fw(wl); |
2630 | if (ret < 0) | |
1d095475 | 2631 | goto out; |
1d095475 EP |
2632 | } |
2633 | ||
7845af35 EP |
2634 | if (!wlcore_is_p2p_mgmt(wlvif)) { |
2635 | ret = wl12xx_cmd_role_enable(wl, vif->addr, | |
2636 | role_type, &wlvif->role_id); | |
2637 | if (ret < 0) | |
2638 | goto out; | |
1d095475 | 2639 | |
7845af35 EP |
2640 | ret = wl1271_init_vif_specific(wl, vif); |
2641 | if (ret < 0) | |
2642 | goto out; | |
2643 | ||
2644 | } else { | |
2645 | ret = wl12xx_cmd_role_enable(wl, vif->addr, WL1271_ROLE_DEVICE, | |
2646 | &wlvif->dev_role_id); | |
2647 | if (ret < 0) | |
2648 | goto out; | |
2649 | ||
2650 | /* needed mainly for configuring rate policies */ | |
2651 | ret = wl1271_sta_hw_init(wl, wlvif); | |
2652 | if (ret < 0) | |
2653 | goto out; | |
2654 | } | |
1d095475 | 2655 | |
87627214 | 2656 | list_add(&wlvif->list, &wl->wlvif_list); |
10c8cd01 | 2657 | set_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags); |
a4e4130d EP |
2658 | |
2659 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) | |
2660 | wl->ap_count++; | |
2661 | else | |
2662 | wl->sta_count++; | |
eb5b28d0 | 2663 | out: |
f750c820 EP |
2664 | wl1271_ps_elp_sleep(wl); |
2665 | out_unlock: | |
f5fc0f86 LC |
2666 | mutex_unlock(&wl->mutex); |
2667 | ||
2668 | return ret; | |
2669 | } | |
2670 | ||
7dece1c8 | 2671 | static void __wl1271_op_remove_interface(struct wl1271 *wl, |
536129c8 | 2672 | struct ieee80211_vif *vif, |
7dece1c8 | 2673 | bool reset_tx_queues) |
f5fc0f86 | 2674 | { |
536129c8 | 2675 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
e5a359f8 | 2676 | int i, ret; |
2f18cf7c | 2677 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); |
f5fc0f86 | 2678 | |
1b72aecd | 2679 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); |
f5fc0f86 | 2680 | |
10c8cd01 EP |
2681 | if (!test_and_clear_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) |
2682 | return; | |
2683 | ||
13026dec | 2684 | /* because of hardware recovery, we may get here twice */ |
4cc53383 | 2685 | if (wl->state == WLCORE_STATE_OFF) |
13026dec JO |
2686 | return; |
2687 | ||
1b72aecd | 2688 | wl1271_info("down"); |
f5fc0f86 | 2689 | |
baf6277a | 2690 | if (wl->scan.state != WL1271_SCAN_STATE_IDLE && |
c50a2825 | 2691 | wl->scan_wlvif == wlvif) { |
55df5afb AN |
2692 | /* |
2693 | * Rearm the tx watchdog just before idling scan. This | |
2694 | * prevents just-finished scans from triggering the watchdog | |
2695 | */ | |
2696 | wl12xx_rearm_tx_watchdog_locked(wl); | |
2697 | ||
08688d6b | 2698 | wl->scan.state = WL1271_SCAN_STATE_IDLE; |
4a31c11c | 2699 | memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); |
c50a2825 | 2700 | wl->scan_wlvif = NULL; |
b739a42c | 2701 | wl->scan.req = NULL; |
76a029fb | 2702 | ieee80211_scan_completed(wl->hw, true); |
f5fc0f86 LC |
2703 | } |
2704 | ||
5a441f5f | 2705 | if (wl->sched_vif == wlvif) |
10199756 | 2706 | wl->sched_vif = NULL; |
10199756 | 2707 | |
5d979f35 AN |
2708 | if (wl->roc_vif == vif) { |
2709 | wl->roc_vif = NULL; | |
2710 | ieee80211_remain_on_channel_expired(wl->hw); | |
2711 | } | |
2712 | ||
b78b47eb EP |
2713 | if (!test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) { |
2714 | /* disable active roles */ | |
2715 | ret = wl1271_ps_elp_wakeup(wl); | |
2716 | if (ret < 0) | |
2717 | goto deinit; | |
2718 | ||
b890f4c3 EP |
2719 | if (wlvif->bss_type == BSS_TYPE_STA_BSS || |
2720 | wlvif->bss_type == BSS_TYPE_IBSS) { | |
2721 | if (wl12xx_dev_role_started(wlvif)) | |
2722 | wl12xx_stop_dev(wl, wlvif); | |
04e8079c EP |
2723 | } |
2724 | ||
7845af35 EP |
2725 | if (!wlcore_is_p2p_mgmt(wlvif)) { |
2726 | ret = wl12xx_cmd_role_disable(wl, &wlvif->role_id); | |
2727 | if (ret < 0) | |
2728 | goto deinit; | |
2729 | } else { | |
2730 | ret = wl12xx_cmd_role_disable(wl, &wlvif->dev_role_id); | |
2731 | if (ret < 0) | |
2732 | goto deinit; | |
2733 | } | |
b78b47eb EP |
2734 | |
2735 | wl1271_ps_elp_sleep(wl); | |
2736 | } | |
2737 | deinit: | |
5a99610c AN |
2738 | wl12xx_tx_reset_wlvif(wl, wlvif); |
2739 | ||
e51ae9be | 2740 | /* clear all hlids (except system_hlid) */ |
afaf8bdb | 2741 | wlvif->dev_hlid = WL12XX_INVALID_LINK_ID; |
e5a359f8 EP |
2742 | |
2743 | if (wlvif->bss_type == BSS_TYPE_STA_BSS || | |
2744 | wlvif->bss_type == BSS_TYPE_IBSS) { | |
2745 | wlvif->sta.hlid = WL12XX_INVALID_LINK_ID; | |
2746 | wl12xx_free_rate_policy(wl, &wlvif->sta.basic_rate_idx); | |
2747 | wl12xx_free_rate_policy(wl, &wlvif->sta.ap_rate_idx); | |
2748 | wl12xx_free_rate_policy(wl, &wlvif->sta.p2p_rate_idx); | |
001e39a8 | 2749 | wlcore_free_klv_template(wl, &wlvif->sta.klv_template_id); |
e5a359f8 EP |
2750 | } else { |
2751 | wlvif->ap.bcast_hlid = WL12XX_INVALID_LINK_ID; | |
2752 | wlvif->ap.global_hlid = WL12XX_INVALID_LINK_ID; | |
2753 | wl12xx_free_rate_policy(wl, &wlvif->ap.mgmt_rate_idx); | |
2754 | wl12xx_free_rate_policy(wl, &wlvif->ap.bcast_rate_idx); | |
2755 | for (i = 0; i < CONF_TX_MAX_AC_COUNT; i++) | |
2756 | wl12xx_free_rate_policy(wl, | |
2757 | &wlvif->ap.ucast_rate_idx[i]); | |
830be7e0 | 2758 | wl1271_free_ap_keys(wl, wlvif); |
e5a359f8 | 2759 | } |
b78b47eb | 2760 | |
3eba4a0e ES |
2761 | dev_kfree_skb(wlvif->probereq); |
2762 | wlvif->probereq = NULL; | |
e4120df9 EP |
2763 | if (wl->last_wlvif == wlvif) |
2764 | wl->last_wlvif = NULL; | |
87627214 | 2765 | list_del(&wlvif->list); |
c7ffb902 | 2766 | memset(wlvif->ap.sta_hlid_map, 0, sizeof(wlvif->ap.sta_hlid_map)); |
0603d891 | 2767 | wlvif->role_id = WL12XX_INVALID_ROLE_ID; |
7edebf56 | 2768 | wlvif->dev_role_id = WL12XX_INVALID_ROLE_ID; |
d6e19d13 | 2769 | |
2f18cf7c | 2770 | if (is_ap) |
a4e4130d EP |
2771 | wl->ap_count--; |
2772 | else | |
2773 | wl->sta_count--; | |
2774 | ||
42066f9a AN |
2775 | /* |
2776 | * Last AP, have more stations. Configure sleep auth according to STA. | |
2777 | * Don't do thin on unintended recovery. | |
2778 | */ | |
2779 | if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags) && | |
2780 | !test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags)) | |
2781 | goto unlock; | |
2782 | ||
71e996be EP |
2783 | if (wl->ap_count == 0 && is_ap) { |
2784 | /* mask ap events */ | |
2785 | wl->event_mask &= ~wl->ap_event_mask; | |
2786 | wl1271_event_unmask(wl); | |
2787 | } | |
2788 | ||
2f18cf7c AN |
2789 | if (wl->ap_count == 0 && is_ap && wl->sta_count) { |
2790 | u8 sta_auth = wl->conf.conn.sta_sleep_auth; | |
2791 | /* Configure for power according to debugfs */ | |
2792 | if (sta_auth != WL1271_PSM_ILLEGAL) | |
2793 | wl1271_acx_sleep_auth(wl, sta_auth); | |
2f18cf7c AN |
2794 | /* Configure for ELP power saving */ |
2795 | else | |
2796 | wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP); | |
2797 | } | |
2798 | ||
42066f9a | 2799 | unlock: |
baf6277a | 2800 | mutex_unlock(&wl->mutex); |
d6bf9ada | 2801 | |
9eb599e9 EP |
2802 | del_timer_sync(&wlvif->rx_streaming_timer); |
2803 | cancel_work_sync(&wlvif->rx_streaming_enable_work); | |
2804 | cancel_work_sync(&wlvif->rx_streaming_disable_work); | |
7d3b29e5 | 2805 | cancel_work_sync(&wlvif->rc_update_work); |
c50a2825 | 2806 | cancel_delayed_work_sync(&wlvif->connection_loss_work); |
c838478b | 2807 | cancel_delayed_work_sync(&wlvif->channel_switch_work); |
187e52cc | 2808 | cancel_delayed_work_sync(&wlvif->pending_auth_complete_work); |
bd9dc49c | 2809 | |
baf6277a | 2810 | mutex_lock(&wl->mutex); |
52a2a375 | 2811 | } |
bd9dc49c | 2812 | |
52a2a375 JO |
2813 | static void wl1271_op_remove_interface(struct ieee80211_hw *hw, |
2814 | struct ieee80211_vif *vif) | |
2815 | { | |
2816 | struct wl1271 *wl = hw->priv; | |
10c8cd01 | 2817 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
6e8cd331 | 2818 | struct wl12xx_vif *iter; |
4549d09c | 2819 | struct vif_counter_data vif_count; |
52a2a375 | 2820 | |
4549d09c | 2821 | wl12xx_get_vif_count(hw, vif, &vif_count); |
52a2a375 | 2822 | mutex_lock(&wl->mutex); |
10c8cd01 | 2823 | |
4cc53383 | 2824 | if (wl->state == WLCORE_STATE_OFF || |
10c8cd01 EP |
2825 | !test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) |
2826 | goto out; | |
2827 | ||
67353299 JO |
2828 | /* |
2829 | * wl->vif can be null here if someone shuts down the interface | |
2830 | * just when hardware recovery has been started. | |
2831 | */ | |
6e8cd331 EP |
2832 | wl12xx_for_each_wlvif(wl, iter) { |
2833 | if (iter != wlvif) | |
2834 | continue; | |
2835 | ||
536129c8 | 2836 | __wl1271_op_remove_interface(wl, vif, true); |
6e8cd331 | 2837 | break; |
67353299 | 2838 | } |
6e8cd331 | 2839 | WARN_ON(iter != wlvif); |
4549d09c | 2840 | if (wl12xx_need_fw_change(wl, vif_count, false)) { |
3dee4393 | 2841 | wl12xx_force_active_psm(wl); |
e9ba7152 | 2842 | set_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags); |
4549d09c | 2843 | wl12xx_queue_recovery_work(wl); |
4549d09c | 2844 | } |
10c8cd01 | 2845 | out: |
67353299 | 2846 | mutex_unlock(&wl->mutex); |
f5fc0f86 LC |
2847 | } |
2848 | ||
c0fad1b7 EP |
2849 | static int wl12xx_op_change_interface(struct ieee80211_hw *hw, |
2850 | struct ieee80211_vif *vif, | |
2851 | enum nl80211_iftype new_type, bool p2p) | |
2852 | { | |
4549d09c EP |
2853 | struct wl1271 *wl = hw->priv; |
2854 | int ret; | |
2855 | ||
2856 | set_bit(WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, &wl->flags); | |
c0fad1b7 EP |
2857 | wl1271_op_remove_interface(hw, vif); |
2858 | ||
249e9698 | 2859 | vif->type = new_type; |
c0fad1b7 | 2860 | vif->p2p = p2p; |
4549d09c EP |
2861 | ret = wl1271_op_add_interface(hw, vif); |
2862 | ||
2863 | clear_bit(WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, &wl->flags); | |
2864 | return ret; | |
c0fad1b7 EP |
2865 | } |
2866 | ||
3230f35e | 2867 | static int wlcore_join(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
82429d32 JO |
2868 | { |
2869 | int ret; | |
536129c8 | 2870 | bool is_ibss = (wlvif->bss_type == BSS_TYPE_IBSS); |
82429d32 | 2871 | |
69e5434c JO |
2872 | /* |
2873 | * One of the side effects of the JOIN command is that is clears | |
2874 | * WPA/WPA2 keys from the chipset. Performing a JOIN while associated | |
2875 | * to a WPA/WPA2 access point will therefore kill the data-path. | |
8bf69aae OBC |
2876 | * Currently the only valid scenario for JOIN during association |
2877 | * is on roaming, in which case we will also be given new keys. | |
2878 | * Keep the below message for now, unless it starts bothering | |
2879 | * users who really like to roam a lot :) | |
69e5434c | 2880 | */ |
ba8447f6 | 2881 | if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
69e5434c JO |
2882 | wl1271_info("JOIN while associated."); |
2883 | ||
5ec8a448 EP |
2884 | /* clear encryption type */ |
2885 | wlvif->encryption_type = KEY_NONE; | |
2886 | ||
227e81e1 | 2887 | if (is_ibss) |
87fbcb0f | 2888 | ret = wl12xx_cmd_role_start_ibss(wl, wlvif); |
18eab430 EP |
2889 | else { |
2890 | if (wl->quirks & WLCORE_QUIRK_START_STA_FAILS) { | |
2891 | /* | |
2892 | * TODO: this is an ugly workaround for wl12xx fw | |
2893 | * bug - we are not able to tx/rx after the first | |
2894 | * start_sta, so make dummy start+stop calls, | |
2895 | * and then call start_sta again. | |
2896 | * this should be fixed in the fw. | |
2897 | */ | |
2898 | wl12xx_cmd_role_start_sta(wl, wlvif); | |
2899 | wl12xx_cmd_role_stop_sta(wl, wlvif); | |
2900 | } | |
2901 | ||
87fbcb0f | 2902 | ret = wl12xx_cmd_role_start_sta(wl, wlvif); |
18eab430 | 2903 | } |
3230f35e EP |
2904 | |
2905 | return ret; | |
2906 | } | |
2907 | ||
2908 | static int wl1271_ssid_set(struct wl12xx_vif *wlvif, struct sk_buff *skb, | |
2909 | int offset) | |
2910 | { | |
2911 | u8 ssid_len; | |
2912 | const u8 *ptr = cfg80211_find_ie(WLAN_EID_SSID, skb->data + offset, | |
2913 | skb->len - offset); | |
2914 | ||
2915 | if (!ptr) { | |
2916 | wl1271_error("No SSID in IEs!"); | |
2917 | return -ENOENT; | |
2918 | } | |
2919 | ||
2920 | ssid_len = ptr[1]; | |
2921 | if (ssid_len > IEEE80211_MAX_SSID_LEN) { | |
2922 | wl1271_error("SSID is too long!"); | |
2923 | return -EINVAL; | |
2924 | } | |
2925 | ||
2926 | wlvif->ssid_len = ssid_len; | |
2927 | memcpy(wlvif->ssid, ptr+2, ssid_len); | |
2928 | return 0; | |
2929 | } | |
2930 | ||
2931 | static int wlcore_set_ssid(struct wl1271 *wl, struct wl12xx_vif *wlvif) | |
2932 | { | |
2933 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); | |
2934 | struct sk_buff *skb; | |
2935 | int ieoffset; | |
2936 | ||
2937 | /* we currently only support setting the ssid from the ap probe req */ | |
2938 | if (wlvif->bss_type != BSS_TYPE_STA_BSS) | |
2939 | return -EINVAL; | |
2940 | ||
2941 | skb = ieee80211_ap_probereq_get(wl->hw, vif); | |
2942 | if (!skb) | |
2943 | return -EINVAL; | |
2944 | ||
2945 | ieoffset = offsetof(struct ieee80211_mgmt, | |
2946 | u.probe_req.variable); | |
2947 | wl1271_ssid_set(wlvif, skb, ieoffset); | |
2948 | dev_kfree_skb(skb); | |
2949 | ||
2950 | return 0; | |
2951 | } | |
2952 | ||
2953 | static int wlcore_set_assoc(struct wl1271 *wl, struct wl12xx_vif *wlvif, | |
ec87011a EP |
2954 | struct ieee80211_bss_conf *bss_conf, |
2955 | u32 sta_rate_set) | |
3230f35e EP |
2956 | { |
2957 | int ieoffset; | |
2958 | int ret; | |
2959 | ||
2960 | wlvif->aid = bss_conf->aid; | |
aaabee8b | 2961 | wlvif->channel_type = cfg80211_get_chandef_type(&bss_conf->chandef); |
3230f35e | 2962 | wlvif->beacon_int = bss_conf->beacon_int; |
d50529c0 | 2963 | wlvif->wmm_enabled = bss_conf->qos; |
3230f35e EP |
2964 | |
2965 | set_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags); | |
2966 | ||
2967 | /* | |
2968 | * with wl1271, we don't need to update the | |
2969 | * beacon_int and dtim_period, because the firmware | |
2970 | * updates it by itself when the first beacon is | |
2971 | * received after a join. | |
2972 | */ | |
2973 | ret = wl1271_cmd_build_ps_poll(wl, wlvif, wlvif->aid); | |
82429d32 | 2974 | if (ret < 0) |
3230f35e | 2975 | return ret; |
82429d32 | 2976 | |
3230f35e EP |
2977 | /* |
2978 | * Get a template for hardware connection maintenance | |
2979 | */ | |
2980 | dev_kfree_skb(wlvif->probereq); | |
2981 | wlvif->probereq = wl1271_cmd_build_ap_probe_req(wl, | |
2982 | wlvif, | |
2983 | NULL); | |
2984 | ieoffset = offsetof(struct ieee80211_mgmt, | |
2985 | u.probe_req.variable); | |
2986 | wl1271_ssid_set(wlvif, wlvif->probereq, ieoffset); | |
2987 | ||
2988 | /* enable the connection monitoring feature */ | |
2989 | ret = wl1271_acx_conn_monit_params(wl, wlvif, true); | |
2990 | if (ret < 0) | |
2991 | return ret; | |
82429d32 JO |
2992 | |
2993 | /* | |
2994 | * The join command disable the keep-alive mode, shut down its process, | |
2995 | * and also clear the template config, so we need to reset it all after | |
2996 | * the join. The acx_aid starts the keep-alive process, and the order | |
2997 | * of the commands below is relevant. | |
2998 | */ | |
0603d891 | 2999 | ret = wl1271_acx_keep_alive_mode(wl, wlvif, true); |
82429d32 | 3000 | if (ret < 0) |
3230f35e | 3001 | return ret; |
82429d32 | 3002 | |
0603d891 | 3003 | ret = wl1271_acx_aid(wl, wlvif, wlvif->aid); |
82429d32 | 3004 | if (ret < 0) |
3230f35e | 3005 | return ret; |
82429d32 | 3006 | |
d2d66c56 | 3007 | ret = wl12xx_cmd_build_klv_null_data(wl, wlvif); |
82429d32 | 3008 | if (ret < 0) |
3230f35e | 3009 | return ret; |
82429d32 | 3010 | |
0603d891 | 3011 | ret = wl1271_acx_keep_alive_config(wl, wlvif, |
001e39a8 | 3012 | wlvif->sta.klv_template_id, |
82429d32 JO |
3013 | ACX_KEEP_ALIVE_TPL_VALID); |
3014 | if (ret < 0) | |
3230f35e | 3015 | return ret; |
82429d32 | 3016 | |
6c7b5194 EP |
3017 | /* |
3018 | * The default fw psm configuration is AUTO, while mac80211 default | |
3019 | * setting is off (ACTIVE), so sync the fw with the correct value. | |
3020 | */ | |
3021 | ret = wl1271_ps_set_mode(wl, wlvif, STATION_ACTIVE_MODE); | |
ec87011a EP |
3022 | if (ret < 0) |
3023 | return ret; | |
3024 | ||
3025 | if (sta_rate_set) { | |
3026 | wlvif->rate_set = | |
3027 | wl1271_tx_enabled_rates_get(wl, | |
3028 | sta_rate_set, | |
3029 | wlvif->band); | |
3030 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); | |
3031 | if (ret < 0) | |
3032 | return ret; | |
3033 | } | |
82429d32 | 3034 | |
82429d32 JO |
3035 | return ret; |
3036 | } | |
3037 | ||
3230f35e | 3038 | static int wlcore_unset_assoc(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
c7f43e45 LC |
3039 | { |
3040 | int ret; | |
3230f35e EP |
3041 | bool sta = wlvif->bss_type == BSS_TYPE_STA_BSS; |
3042 | ||
3043 | /* make sure we are connected (sta) joined */ | |
3044 | if (sta && | |
3045 | !test_and_clear_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) | |
3046 | return false; | |
3047 | ||
3048 | /* make sure we are joined (ibss) */ | |
3049 | if (!sta && | |
3050 | test_and_clear_bit(WLVIF_FLAG_IBSS_JOINED, &wlvif->flags)) | |
3051 | return false; | |
3052 | ||
3053 | if (sta) { | |
3054 | /* use defaults when not associated */ | |
3055 | wlvif->aid = 0; | |
3056 | ||
3057 | /* free probe-request template */ | |
3058 | dev_kfree_skb(wlvif->probereq); | |
3059 | wlvif->probereq = NULL; | |
3060 | ||
3061 | /* disable connection monitor features */ | |
3062 | ret = wl1271_acx_conn_monit_params(wl, wlvif, false); | |
3063 | if (ret < 0) | |
3064 | return ret; | |
3065 | ||
3066 | /* Disable the keep-alive feature */ | |
3067 | ret = wl1271_acx_keep_alive_mode(wl, wlvif, false); | |
3068 | if (ret < 0) | |
3069 | return ret; | |
d881fa2c EP |
3070 | |
3071 | /* disable beacon filtering */ | |
3072 | ret = wl1271_acx_beacon_filter_opt(wl, wlvif, false); | |
3073 | if (ret < 0) | |
3074 | return ret; | |
3230f35e | 3075 | } |
c7f43e45 | 3076 | |
52630c5d | 3077 | if (test_and_clear_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags)) { |
6e8cd331 EP |
3078 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
3079 | ||
fcab1890 | 3080 | wl12xx_cmd_stop_channel_switch(wl, wlvif); |
6e8cd331 | 3081 | ieee80211_chswitch_done(vif, false); |
c50a2825 | 3082 | cancel_delayed_work(&wlvif->channel_switch_work); |
6d158ff3 SL |
3083 | } |
3084 | ||
4137c17c EP |
3085 | /* invalidate keep-alive template */ |
3086 | wl1271_acx_keep_alive_config(wl, wlvif, | |
001e39a8 | 3087 | wlvif->sta.klv_template_id, |
4137c17c EP |
3088 | ACX_KEEP_ALIVE_TPL_INVALID); |
3089 | ||
3230f35e | 3090 | return 0; |
c7f43e45 LC |
3091 | } |
3092 | ||
87fbcb0f | 3093 | static void wl1271_set_band_rate(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
ebba60c6 | 3094 | { |
1b92f15e | 3095 | wlvif->basic_rate_set = wlvif->bitrate_masks[wlvif->band]; |
30d0c8fd | 3096 | wlvif->rate_set = wlvif->basic_rate_set; |
ebba60c6 JO |
3097 | } |
3098 | ||
b0ed8a4d AN |
3099 | static void wl1271_sta_handle_idle(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
3100 | bool idle) | |
3101 | { | |
3102 | bool cur_idle = !test_bit(WLVIF_FLAG_ACTIVE, &wlvif->flags); | |
3103 | ||
3104 | if (idle == cur_idle) | |
3105 | return; | |
3106 | ||
3107 | if (idle) { | |
3108 | clear_bit(WLVIF_FLAG_ACTIVE, &wlvif->flags); | |
3109 | } else { | |
3110 | /* The current firmware only supports sched_scan in idle */ | |
3111 | if (wl->sched_vif == wlvif) | |
3112 | wl->ops->sched_scan_stop(wl, wlvif); | |
3113 | ||
3114 | set_bit(WLVIF_FLAG_ACTIVE, &wlvif->flags); | |
3115 | } | |
3116 | } | |
3117 | ||
9f259c4e EP |
3118 | static int wl12xx_config_vif(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
3119 | struct ieee80211_conf *conf, u32 changed) | |
0d58cbff JO |
3120 | { |
3121 | int ret; | |
3122 | ||
7845af35 EP |
3123 | if (wlcore_is_p2p_mgmt(wlvif)) |
3124 | return 0; | |
3125 | ||
6bd65029 | 3126 | if (conf->power_level != wlvif->power_level) { |
0603d891 | 3127 | ret = wl1271_acx_tx_power(wl, wlvif, conf->power_level); |
0d58cbff | 3128 | if (ret < 0) |
9f259c4e | 3129 | return ret; |
33c2c06c | 3130 | |
6bd65029 | 3131 | wlvif->power_level = conf->power_level; |
0d58cbff JO |
3132 | } |
3133 | ||
9f259c4e | 3134 | return 0; |
0d58cbff JO |
3135 | } |
3136 | ||
9f259c4e | 3137 | static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) |
f5fc0f86 | 3138 | { |
9f259c4e EP |
3139 | struct wl1271 *wl = hw->priv; |
3140 | struct wl12xx_vif *wlvif; | |
3141 | struct ieee80211_conf *conf = &hw->conf; | |
b6970ee5 | 3142 | int ret = 0; |
f5fc0f86 | 3143 | |
b6970ee5 | 3144 | wl1271_debug(DEBUG_MAC80211, "mac80211 config psm %s power %d %s" |
9f259c4e | 3145 | " changed 0x%x", |
9f259c4e EP |
3146 | conf->flags & IEEE80211_CONF_PS ? "on" : "off", |
3147 | conf->power_level, | |
3148 | conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use", | |
3149 | changed); | |
3150 | ||
9f259c4e EP |
3151 | mutex_lock(&wl->mutex); |
3152 | ||
9f259c4e EP |
3153 | if (changed & IEEE80211_CONF_CHANGE_POWER) |
3154 | wl->power_level = conf->power_level; | |
3155 | ||
4cc53383 | 3156 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
9f259c4e EP |
3157 | goto out; |
3158 | ||
3159 | ret = wl1271_ps_elp_wakeup(wl); | |
3160 | if (ret < 0) | |
3161 | goto out; | |
3162 | ||
3163 | /* configure each interface */ | |
3164 | wl12xx_for_each_wlvif(wl, wlvif) { | |
3165 | ret = wl12xx_config_vif(wl, wlvif, conf, changed); | |
3166 | if (ret < 0) | |
3167 | goto out_sleep; | |
3168 | } | |
3169 | ||
f5fc0f86 LC |
3170 | out_sleep: |
3171 | wl1271_ps_elp_sleep(wl); | |
3172 | ||
3173 | out: | |
3174 | mutex_unlock(&wl->mutex); | |
3175 | ||
3176 | return ret; | |
3177 | } | |
3178 | ||
b54853f1 JO |
3179 | struct wl1271_filter_params { |
3180 | bool enabled; | |
3181 | int mc_list_length; | |
3182 | u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN]; | |
3183 | }; | |
3184 | ||
22bedad3 JP |
3185 | static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, |
3186 | struct netdev_hw_addr_list *mc_list) | |
c87dec9f | 3187 | { |
c87dec9f | 3188 | struct wl1271_filter_params *fp; |
22bedad3 | 3189 | struct netdev_hw_addr *ha; |
c87dec9f | 3190 | |
74441130 | 3191 | fp = kzalloc(sizeof(*fp), GFP_ATOMIC); |
c87dec9f JO |
3192 | if (!fp) { |
3193 | wl1271_error("Out of memory setting filters."); | |
3194 | return 0; | |
3195 | } | |
3196 | ||
3197 | /* update multicast filtering parameters */ | |
c87dec9f | 3198 | fp->mc_list_length = 0; |
22bedad3 JP |
3199 | if (netdev_hw_addr_list_count(mc_list) > ACX_MC_ADDRESS_GROUP_MAX) { |
3200 | fp->enabled = false; | |
3201 | } else { | |
3202 | fp->enabled = true; | |
3203 | netdev_hw_addr_list_for_each(ha, mc_list) { | |
c87dec9f | 3204 | memcpy(fp->mc_list[fp->mc_list_length], |
22bedad3 | 3205 | ha->addr, ETH_ALEN); |
c87dec9f | 3206 | fp->mc_list_length++; |
22bedad3 | 3207 | } |
c87dec9f JO |
3208 | } |
3209 | ||
b54853f1 | 3210 | return (u64)(unsigned long)fp; |
c87dec9f | 3211 | } |
f5fc0f86 | 3212 | |
df140465 | 3213 | #define WL1271_SUPPORTED_FILTERS (FIF_ALLMULTI | \ |
b54853f1 JO |
3214 | FIF_FCSFAIL | \ |
3215 | FIF_BCN_PRBRESP_PROMISC | \ | |
3216 | FIF_CONTROL | \ | |
3217 | FIF_OTHER_BSS) | |
3218 | ||
f5fc0f86 LC |
3219 | static void wl1271_op_configure_filter(struct ieee80211_hw *hw, |
3220 | unsigned int changed, | |
c87dec9f | 3221 | unsigned int *total, u64 multicast) |
f5fc0f86 | 3222 | { |
b54853f1 | 3223 | struct wl1271_filter_params *fp = (void *)(unsigned long)multicast; |
f5fc0f86 | 3224 | struct wl1271 *wl = hw->priv; |
6e8cd331 | 3225 | struct wl12xx_vif *wlvif; |
536129c8 | 3226 | |
b54853f1 | 3227 | int ret; |
f5fc0f86 | 3228 | |
7d057869 AN |
3229 | wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter changed %x" |
3230 | " total %x", changed, *total); | |
f5fc0f86 | 3231 | |
b54853f1 JO |
3232 | mutex_lock(&wl->mutex); |
3233 | ||
2c10bb9c SD |
3234 | *total &= WL1271_SUPPORTED_FILTERS; |
3235 | changed &= WL1271_SUPPORTED_FILTERS; | |
3236 | ||
4cc53383 | 3237 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
b54853f1 JO |
3238 | goto out; |
3239 | ||
a620865e | 3240 | ret = wl1271_ps_elp_wakeup(wl); |
b54853f1 JO |
3241 | if (ret < 0) |
3242 | goto out; | |
3243 | ||
6e8cd331 | 3244 | wl12xx_for_each_wlvif(wl, wlvif) { |
7845af35 EP |
3245 | if (wlcore_is_p2p_mgmt(wlvif)) |
3246 | continue; | |
3247 | ||
6e8cd331 EP |
3248 | if (wlvif->bss_type != BSS_TYPE_AP_BSS) { |
3249 | if (*total & FIF_ALLMULTI) | |
3250 | ret = wl1271_acx_group_address_tbl(wl, wlvif, | |
3251 | false, | |
3252 | NULL, 0); | |
3253 | else if (fp) | |
3254 | ret = wl1271_acx_group_address_tbl(wl, wlvif, | |
3255 | fp->enabled, | |
3256 | fp->mc_list, | |
3257 | fp->mc_list_length); | |
3258 | if (ret < 0) | |
3259 | goto out_sleep; | |
3260 | } | |
7d057869 | 3261 | } |
f5fc0f86 | 3262 | |
08c1d1c7 EP |
3263 | /* |
3264 | * the fw doesn't provide an api to configure the filters. instead, | |
3265 | * the filters configuration is based on the active roles / ROC | |
3266 | * state. | |
3267 | */ | |
b54853f1 JO |
3268 | |
3269 | out_sleep: | |
3270 | wl1271_ps_elp_sleep(wl); | |
3271 | ||
3272 | out: | |
3273 | mutex_unlock(&wl->mutex); | |
14b228a0 | 3274 | kfree(fp); |
f5fc0f86 LC |
3275 | } |
3276 | ||
170d0e67 EP |
3277 | static int wl1271_record_ap_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
3278 | u8 id, u8 key_type, u8 key_size, | |
3279 | const u8 *key, u8 hlid, u32 tx_seq_32, | |
3280 | u16 tx_seq_16) | |
7f179b46 AN |
3281 | { |
3282 | struct wl1271_ap_key *ap_key; | |
3283 | int i; | |
3284 | ||
3285 | wl1271_debug(DEBUG_CRYPT, "record ap key id %d", (int)id); | |
3286 | ||
3287 | if (key_size > MAX_KEY_SIZE) | |
3288 | return -EINVAL; | |
3289 | ||
3290 | /* | |
3291 | * Find next free entry in ap_keys. Also check we are not replacing | |
3292 | * an existing key. | |
3293 | */ | |
3294 | for (i = 0; i < MAX_NUM_KEYS; i++) { | |
170d0e67 | 3295 | if (wlvif->ap.recorded_keys[i] == NULL) |
7f179b46 AN |
3296 | break; |
3297 | ||
170d0e67 | 3298 | if (wlvif->ap.recorded_keys[i]->id == id) { |
7f179b46 AN |
3299 | wl1271_warning("trying to record key replacement"); |
3300 | return -EINVAL; | |
3301 | } | |
3302 | } | |
3303 | ||
3304 | if (i == MAX_NUM_KEYS) | |
3305 | return -EBUSY; | |
3306 | ||
3307 | ap_key = kzalloc(sizeof(*ap_key), GFP_KERNEL); | |
3308 | if (!ap_key) | |
3309 | return -ENOMEM; | |
3310 | ||
3311 | ap_key->id = id; | |
3312 | ap_key->key_type = key_type; | |
3313 | ap_key->key_size = key_size; | |
3314 | memcpy(ap_key->key, key, key_size); | |
3315 | ap_key->hlid = hlid; | |
3316 | ap_key->tx_seq_32 = tx_seq_32; | |
3317 | ap_key->tx_seq_16 = tx_seq_16; | |
3318 | ||
170d0e67 | 3319 | wlvif->ap.recorded_keys[i] = ap_key; |
7f179b46 AN |
3320 | return 0; |
3321 | } | |
3322 | ||
170d0e67 | 3323 | static void wl1271_free_ap_keys(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
7f179b46 AN |
3324 | { |
3325 | int i; | |
3326 | ||
3327 | for (i = 0; i < MAX_NUM_KEYS; i++) { | |
170d0e67 EP |
3328 | kfree(wlvif->ap.recorded_keys[i]); |
3329 | wlvif->ap.recorded_keys[i] = NULL; | |
7f179b46 AN |
3330 | } |
3331 | } | |
3332 | ||
a8ab39a4 | 3333 | static int wl1271_ap_init_hwenc(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
7f179b46 AN |
3334 | { |
3335 | int i, ret = 0; | |
3336 | struct wl1271_ap_key *key; | |
3337 | bool wep_key_added = false; | |
3338 | ||
3339 | for (i = 0; i < MAX_NUM_KEYS; i++) { | |
7f97b487 | 3340 | u8 hlid; |
170d0e67 | 3341 | if (wlvif->ap.recorded_keys[i] == NULL) |
7f179b46 AN |
3342 | break; |
3343 | ||
170d0e67 | 3344 | key = wlvif->ap.recorded_keys[i]; |
7f97b487 EP |
3345 | hlid = key->hlid; |
3346 | if (hlid == WL12XX_INVALID_LINK_ID) | |
a8ab39a4 | 3347 | hlid = wlvif->ap.bcast_hlid; |
7f97b487 | 3348 | |
a8ab39a4 | 3349 | ret = wl1271_cmd_set_ap_key(wl, wlvif, KEY_ADD_OR_REPLACE, |
7f179b46 AN |
3350 | key->id, key->key_type, |
3351 | key->key_size, key->key, | |
7f97b487 | 3352 | hlid, key->tx_seq_32, |
7f179b46 AN |
3353 | key->tx_seq_16); |
3354 | if (ret < 0) | |
3355 | goto out; | |
3356 | ||
3357 | if (key->key_type == KEY_WEP) | |
3358 | wep_key_added = true; | |
3359 | } | |
3360 | ||
3361 | if (wep_key_added) { | |
f75c753f | 3362 | ret = wl12xx_cmd_set_default_wep_key(wl, wlvif->default_key, |
a8ab39a4 | 3363 | wlvif->ap.bcast_hlid); |
7f179b46 AN |
3364 | if (ret < 0) |
3365 | goto out; | |
3366 | } | |
3367 | ||
3368 | out: | |
170d0e67 | 3369 | wl1271_free_ap_keys(wl, wlvif); |
7f179b46 AN |
3370 | return ret; |
3371 | } | |
3372 | ||
536129c8 EP |
3373 | static int wl1271_set_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
3374 | u16 action, u8 id, u8 key_type, | |
7f179b46 AN |
3375 | u8 key_size, const u8 *key, u32 tx_seq_32, |
3376 | u16 tx_seq_16, struct ieee80211_sta *sta) | |
3377 | { | |
3378 | int ret; | |
536129c8 | 3379 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); |
7f179b46 AN |
3380 | |
3381 | if (is_ap) { | |
3382 | struct wl1271_station *wl_sta; | |
3383 | u8 hlid; | |
3384 | ||
3385 | if (sta) { | |
3386 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
3387 | hlid = wl_sta->hlid; | |
3388 | } else { | |
a8ab39a4 | 3389 | hlid = wlvif->ap.bcast_hlid; |
7f179b46 AN |
3390 | } |
3391 | ||
53d40d0b | 3392 | if (!test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) { |
7f179b46 AN |
3393 | /* |
3394 | * We do not support removing keys after AP shutdown. | |
3395 | * Pretend we do to make mac80211 happy. | |
3396 | */ | |
3397 | if (action != KEY_ADD_OR_REPLACE) | |
3398 | return 0; | |
3399 | ||
170d0e67 | 3400 | ret = wl1271_record_ap_key(wl, wlvif, id, |
7f179b46 AN |
3401 | key_type, key_size, |
3402 | key, hlid, tx_seq_32, | |
3403 | tx_seq_16); | |
3404 | } else { | |
a8ab39a4 | 3405 | ret = wl1271_cmd_set_ap_key(wl, wlvif, action, |
7f179b46 AN |
3406 | id, key_type, key_size, |
3407 | key, hlid, tx_seq_32, | |
3408 | tx_seq_16); | |
3409 | } | |
3410 | ||
3411 | if (ret < 0) | |
3412 | return ret; | |
3413 | } else { | |
3414 | const u8 *addr; | |
3415 | static const u8 bcast_addr[ETH_ALEN] = { | |
3416 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff | |
3417 | }; | |
3418 | ||
3419 | addr = sta ? sta->addr : bcast_addr; | |
3420 | ||
3421 | if (is_zero_ether_addr(addr)) { | |
3422 | /* We dont support TX only encryption */ | |
3423 | return -EOPNOTSUPP; | |
3424 | } | |
3425 | ||
3426 | /* The wl1271 does not allow to remove unicast keys - they | |
3427 | will be cleared automatically on next CMD_JOIN. Ignore the | |
3428 | request silently, as we dont want the mac80211 to emit | |
3429 | an error message. */ | |
3430 | if (action == KEY_REMOVE && !is_broadcast_ether_addr(addr)) | |
3431 | return 0; | |
3432 | ||
010d3d30 EP |
3433 | /* don't remove key if hlid was already deleted */ |
3434 | if (action == KEY_REMOVE && | |
154da67c | 3435 | wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) |
010d3d30 EP |
3436 | return 0; |
3437 | ||
a8ab39a4 | 3438 | ret = wl1271_cmd_set_sta_key(wl, wlvif, action, |
7f179b46 AN |
3439 | id, key_type, key_size, |
3440 | key, addr, tx_seq_32, | |
3441 | tx_seq_16); | |
3442 | if (ret < 0) | |
3443 | return ret; | |
3444 | ||
7f179b46 AN |
3445 | } |
3446 | ||
3447 | return 0; | |
3448 | } | |
3449 | ||
a1c597f2 | 3450 | static int wlcore_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
f5fc0f86 LC |
3451 | struct ieee80211_vif *vif, |
3452 | struct ieee80211_sta *sta, | |
3453 | struct ieee80211_key_conf *key_conf) | |
3454 | { | |
3455 | struct wl1271 *wl = hw->priv; | |
af390f4d EP |
3456 | int ret; |
3457 | bool might_change_spare = | |
3458 | key_conf->cipher == WL1271_CIPHER_SUITE_GEM || | |
3459 | key_conf->cipher == WLAN_CIPHER_SUITE_TKIP; | |
3460 | ||
3461 | if (might_change_spare) { | |
3462 | /* | |
3463 | * stop the queues and flush to ensure the next packets are | |
3464 | * in sync with FW spare block accounting | |
3465 | */ | |
af390f4d | 3466 | wlcore_stop_queues(wl, WLCORE_QUEUE_STOP_REASON_SPARE_BLK); |
af390f4d EP |
3467 | wl1271_tx_flush(wl); |
3468 | } | |
3469 | ||
3470 | mutex_lock(&wl->mutex); | |
3471 | ||
3472 | if (unlikely(wl->state != WLCORE_STATE_ON)) { | |
3473 | ret = -EAGAIN; | |
3474 | goto out_wake_queues; | |
3475 | } | |
a1c597f2 | 3476 | |
af390f4d EP |
3477 | ret = wl1271_ps_elp_wakeup(wl); |
3478 | if (ret < 0) | |
3479 | goto out_wake_queues; | |
3480 | ||
3481 | ret = wlcore_hw_set_key(wl, cmd, vif, sta, key_conf); | |
3482 | ||
3483 | wl1271_ps_elp_sleep(wl); | |
3484 | ||
3485 | out_wake_queues: | |
3486 | if (might_change_spare) | |
3487 | wlcore_wake_queues(wl, WLCORE_QUEUE_STOP_REASON_SPARE_BLK); | |
3488 | ||
3489 | mutex_unlock(&wl->mutex); | |
3490 | ||
3491 | return ret; | |
a1c597f2 AN |
3492 | } |
3493 | ||
3494 | int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd, | |
3495 | struct ieee80211_vif *vif, | |
3496 | struct ieee80211_sta *sta, | |
3497 | struct ieee80211_key_conf *key_conf) | |
3498 | { | |
536129c8 | 3499 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
f5fc0f86 | 3500 | int ret; |
ac4e4ce5 JO |
3501 | u32 tx_seq_32 = 0; |
3502 | u16 tx_seq_16 = 0; | |
f5fc0f86 | 3503 | u8 key_type; |
93d5d100 | 3504 | u8 hlid; |
f5fc0f86 | 3505 | |
f5fc0f86 LC |
3506 | wl1271_debug(DEBUG_MAC80211, "mac80211 set key"); |
3507 | ||
7f179b46 | 3508 | wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x sta: %p", cmd, sta); |
f5fc0f86 | 3509 | wl1271_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", |
97359d12 | 3510 | key_conf->cipher, key_conf->keyidx, |
f5fc0f86 LC |
3511 | key_conf->keylen, key_conf->flags); |
3512 | wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen); | |
3513 | ||
93d5d100 AN |
3514 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) |
3515 | if (sta) { | |
3516 | struct wl1271_station *wl_sta = (void *)sta->drv_priv; | |
3517 | hlid = wl_sta->hlid; | |
3518 | } else { | |
3519 | hlid = wlvif->ap.bcast_hlid; | |
3520 | } | |
3521 | else | |
3522 | hlid = wlvif->sta.hlid; | |
3523 | ||
3524 | if (hlid != WL12XX_INVALID_LINK_ID) { | |
3525 | u64 tx_seq = wl->links[hlid].total_freed_pkts; | |
3526 | tx_seq_32 = WL1271_TX_SECURITY_HI32(tx_seq); | |
3527 | tx_seq_16 = WL1271_TX_SECURITY_LO16(tx_seq); | |
3528 | } | |
3529 | ||
97359d12 JB |
3530 | switch (key_conf->cipher) { |
3531 | case WLAN_CIPHER_SUITE_WEP40: | |
3532 | case WLAN_CIPHER_SUITE_WEP104: | |
f5fc0f86 LC |
3533 | key_type = KEY_WEP; |
3534 | ||
3535 | key_conf->hw_key_idx = key_conf->keyidx; | |
3536 | break; | |
97359d12 | 3537 | case WLAN_CIPHER_SUITE_TKIP: |
f5fc0f86 | 3538 | key_type = KEY_TKIP; |
f5fc0f86 LC |
3539 | key_conf->hw_key_idx = key_conf->keyidx; |
3540 | break; | |
97359d12 | 3541 | case WLAN_CIPHER_SUITE_CCMP: |
f5fc0f86 | 3542 | key_type = KEY_AES; |
12d4b975 | 3543 | key_conf->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; |
f5fc0f86 | 3544 | break; |
7a55724e JO |
3545 | case WL1271_CIPHER_SUITE_GEM: |
3546 | key_type = KEY_GEM; | |
7a55724e | 3547 | break; |
f5fc0f86 | 3548 | default: |
97359d12 | 3549 | wl1271_error("Unknown key algo 0x%x", key_conf->cipher); |
f5fc0f86 | 3550 | |
af390f4d | 3551 | return -EOPNOTSUPP; |
f5fc0f86 LC |
3552 | } |
3553 | ||
3554 | switch (cmd) { | |
3555 | case SET_KEY: | |
536129c8 | 3556 | ret = wl1271_set_key(wl, wlvif, KEY_ADD_OR_REPLACE, |
7f179b46 AN |
3557 | key_conf->keyidx, key_type, |
3558 | key_conf->keylen, key_conf->key, | |
3559 | tx_seq_32, tx_seq_16, sta); | |
f5fc0f86 LC |
3560 | if (ret < 0) { |
3561 | wl1271_error("Could not add or replace key"); | |
af390f4d | 3562 | return ret; |
f5fc0f86 | 3563 | } |
5ec8a448 EP |
3564 | |
3565 | /* | |
3566 | * reconfiguring arp response if the unicast (or common) | |
3567 | * encryption key type was changed | |
3568 | */ | |
3569 | if (wlvif->bss_type == BSS_TYPE_STA_BSS && | |
3570 | (sta || key_type == KEY_WEP) && | |
3571 | wlvif->encryption_type != key_type) { | |
3572 | wlvif->encryption_type = key_type; | |
3573 | ret = wl1271_cmd_build_arp_rsp(wl, wlvif); | |
3574 | if (ret < 0) { | |
3575 | wl1271_warning("build arp rsp failed: %d", ret); | |
af390f4d | 3576 | return ret; |
5ec8a448 EP |
3577 | } |
3578 | } | |
f5fc0f86 LC |
3579 | break; |
3580 | ||
3581 | case DISABLE_KEY: | |
536129c8 | 3582 | ret = wl1271_set_key(wl, wlvif, KEY_REMOVE, |
7f179b46 AN |
3583 | key_conf->keyidx, key_type, |
3584 | key_conf->keylen, key_conf->key, | |
3585 | 0, 0, sta); | |
f5fc0f86 LC |
3586 | if (ret < 0) { |
3587 | wl1271_error("Could not remove key"); | |
af390f4d | 3588 | return ret; |
f5fc0f86 LC |
3589 | } |
3590 | break; | |
3591 | ||
3592 | default: | |
3593 | wl1271_error("Unsupported key cmd 0x%x", cmd); | |
af390f4d | 3594 | return -EOPNOTSUPP; |
f5fc0f86 LC |
3595 | } |
3596 | ||
f5fc0f86 LC |
3597 | return ret; |
3598 | } | |
a1c597f2 | 3599 | EXPORT_SYMBOL_GPL(wlcore_set_key); |
f5fc0f86 | 3600 | |
ba1e6eb9 YD |
3601 | static void wl1271_op_set_default_key_idx(struct ieee80211_hw *hw, |
3602 | struct ieee80211_vif *vif, | |
3603 | int key_idx) | |
3604 | { | |
3605 | struct wl1271 *wl = hw->priv; | |
3606 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
3607 | int ret; | |
3608 | ||
3609 | wl1271_debug(DEBUG_MAC80211, "mac80211 set default key idx %d", | |
3610 | key_idx); | |
3611 | ||
bf4e5f1a EP |
3612 | /* we don't handle unsetting of default key */ |
3613 | if (key_idx == -1) | |
3614 | return; | |
3615 | ||
ba1e6eb9 YD |
3616 | mutex_lock(&wl->mutex); |
3617 | ||
3618 | if (unlikely(wl->state != WLCORE_STATE_ON)) { | |
3619 | ret = -EAGAIN; | |
3620 | goto out_unlock; | |
3621 | } | |
3622 | ||
3623 | ret = wl1271_ps_elp_wakeup(wl); | |
3624 | if (ret < 0) | |
3625 | goto out_unlock; | |
3626 | ||
3627 | wlvif->default_key = key_idx; | |
3628 | ||
3629 | /* the default WEP key needs to be configured at least once */ | |
3630 | if (wlvif->encryption_type == KEY_WEP) { | |
3631 | ret = wl12xx_cmd_set_default_wep_key(wl, | |
3632 | key_idx, | |
3633 | wlvif->sta.hlid); | |
3634 | if (ret < 0) | |
3635 | goto out_sleep; | |
3636 | } | |
3637 | ||
3638 | out_sleep: | |
3639 | wl1271_ps_elp_sleep(wl); | |
3640 | ||
3641 | out_unlock: | |
3642 | mutex_unlock(&wl->mutex); | |
3643 | } | |
3644 | ||
6b70e7eb VG |
3645 | void wlcore_regdomain_config(struct wl1271 *wl) |
3646 | { | |
3647 | int ret; | |
3648 | ||
3649 | if (!(wl->quirks & WLCORE_QUIRK_REGDOMAIN_CONF)) | |
3650 | return; | |
3651 | ||
3652 | mutex_lock(&wl->mutex); | |
75592be5 AN |
3653 | |
3654 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
3655 | goto out; | |
3656 | ||
6b70e7eb VG |
3657 | ret = wl1271_ps_elp_wakeup(wl); |
3658 | if (ret < 0) | |
3659 | goto out; | |
3660 | ||
3661 | ret = wlcore_cmd_regdomain_config_locked(wl); | |
3662 | if (ret < 0) { | |
3663 | wl12xx_queue_recovery_work(wl); | |
3664 | goto out; | |
3665 | } | |
3666 | ||
3667 | wl1271_ps_elp_sleep(wl); | |
3668 | out: | |
3669 | mutex_unlock(&wl->mutex); | |
3670 | } | |
3671 | ||
f5fc0f86 | 3672 | static int wl1271_op_hw_scan(struct ieee80211_hw *hw, |
a060bbfe | 3673 | struct ieee80211_vif *vif, |
c56ef672 | 3674 | struct ieee80211_scan_request *hw_req) |
f5fc0f86 | 3675 | { |
c56ef672 | 3676 | struct cfg80211_scan_request *req = &hw_req->req; |
f5fc0f86 LC |
3677 | struct wl1271 *wl = hw->priv; |
3678 | int ret; | |
3679 | u8 *ssid = NULL; | |
abb0b3bf | 3680 | size_t len = 0; |
f5fc0f86 LC |
3681 | |
3682 | wl1271_debug(DEBUG_MAC80211, "mac80211 hw scan"); | |
3683 | ||
3684 | if (req->n_ssids) { | |
3685 | ssid = req->ssids[0].ssid; | |
abb0b3bf | 3686 | len = req->ssids[0].ssid_len; |
f5fc0f86 LC |
3687 | } |
3688 | ||
3689 | mutex_lock(&wl->mutex); | |
3690 | ||
4cc53383 | 3691 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
b739a42c JO |
3692 | /* |
3693 | * We cannot return -EBUSY here because cfg80211 will expect | |
3694 | * a call to ieee80211_scan_completed if we do - in this case | |
3695 | * there won't be any call. | |
3696 | */ | |
3697 | ret = -EAGAIN; | |
3698 | goto out; | |
3699 | } | |
3700 | ||
a620865e | 3701 | ret = wl1271_ps_elp_wakeup(wl); |
f5fc0f86 LC |
3702 | if (ret < 0) |
3703 | goto out; | |
3704 | ||
97fd311a EP |
3705 | /* fail if there is any role in ROC */ |
3706 | if (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) < WL12XX_MAX_ROLES) { | |
92e712da EP |
3707 | /* don't allow scanning right now */ |
3708 | ret = -EBUSY; | |
3709 | goto out_sleep; | |
3710 | } | |
3711 | ||
78e28062 | 3712 | ret = wlcore_scan(hw->priv, vif, ssid, len, req); |
251c177f | 3713 | out_sleep: |
f5fc0f86 | 3714 | wl1271_ps_elp_sleep(wl); |
f5fc0f86 LC |
3715 | out: |
3716 | mutex_unlock(&wl->mutex); | |
3717 | ||
3718 | return ret; | |
3719 | } | |
3720 | ||
73ecce31 EP |
3721 | static void wl1271_op_cancel_hw_scan(struct ieee80211_hw *hw, |
3722 | struct ieee80211_vif *vif) | |
3723 | { | |
3724 | struct wl1271 *wl = hw->priv; | |
78e28062 | 3725 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
73ecce31 EP |
3726 | int ret; |
3727 | ||
3728 | wl1271_debug(DEBUG_MAC80211, "mac80211 cancel hw scan"); | |
3729 | ||
3730 | mutex_lock(&wl->mutex); | |
3731 | ||
4cc53383 | 3732 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
73ecce31 EP |
3733 | goto out; |
3734 | ||
3735 | if (wl->scan.state == WL1271_SCAN_STATE_IDLE) | |
3736 | goto out; | |
3737 | ||
3738 | ret = wl1271_ps_elp_wakeup(wl); | |
3739 | if (ret < 0) | |
3740 | goto out; | |
3741 | ||
3742 | if (wl->scan.state != WL1271_SCAN_STATE_DONE) { | |
78e28062 | 3743 | ret = wl->ops->scan_stop(wl, wlvif); |
73ecce31 EP |
3744 | if (ret < 0) |
3745 | goto out_sleep; | |
3746 | } | |
55df5afb AN |
3747 | |
3748 | /* | |
3749 | * Rearm the tx watchdog just before idling scan. This | |
3750 | * prevents just-finished scans from triggering the watchdog | |
3751 | */ | |
3752 | wl12xx_rearm_tx_watchdog_locked(wl); | |
3753 | ||
73ecce31 EP |
3754 | wl->scan.state = WL1271_SCAN_STATE_IDLE; |
3755 | memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); | |
c50a2825 | 3756 | wl->scan_wlvif = NULL; |
73ecce31 EP |
3757 | wl->scan.req = NULL; |
3758 | ieee80211_scan_completed(wl->hw, true); | |
3759 | ||
3760 | out_sleep: | |
3761 | wl1271_ps_elp_sleep(wl); | |
3762 | out: | |
3763 | mutex_unlock(&wl->mutex); | |
3764 | ||
3765 | cancel_delayed_work_sync(&wl->scan_complete_work); | |
3766 | } | |
3767 | ||
33c2c06c LC |
3768 | static int wl1271_op_sched_scan_start(struct ieee80211_hw *hw, |
3769 | struct ieee80211_vif *vif, | |
3770 | struct cfg80211_sched_scan_request *req, | |
633e2713 | 3771 | struct ieee80211_scan_ies *ies) |
33c2c06c LC |
3772 | { |
3773 | struct wl1271 *wl = hw->priv; | |
536129c8 | 3774 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
33c2c06c LC |
3775 | int ret; |
3776 | ||
3777 | wl1271_debug(DEBUG_MAC80211, "wl1271_op_sched_scan_start"); | |
3778 | ||
3779 | mutex_lock(&wl->mutex); | |
3780 | ||
4cc53383 | 3781 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
9e0dc890 PF |
3782 | ret = -EAGAIN; |
3783 | goto out; | |
3784 | } | |
3785 | ||
33c2c06c LC |
3786 | ret = wl1271_ps_elp_wakeup(wl); |
3787 | if (ret < 0) | |
3788 | goto out; | |
3789 | ||
78e28062 | 3790 | ret = wl->ops->sched_scan_start(wl, wlvif, req, ies); |
33c2c06c LC |
3791 | if (ret < 0) |
3792 | goto out_sleep; | |
3793 | ||
10199756 | 3794 | wl->sched_vif = wlvif; |
33c2c06c LC |
3795 | |
3796 | out_sleep: | |
3797 | wl1271_ps_elp_sleep(wl); | |
3798 | out: | |
3799 | mutex_unlock(&wl->mutex); | |
3800 | return ret; | |
3801 | } | |
3802 | ||
37e3308c JB |
3803 | static int wl1271_op_sched_scan_stop(struct ieee80211_hw *hw, |
3804 | struct ieee80211_vif *vif) | |
33c2c06c LC |
3805 | { |
3806 | struct wl1271 *wl = hw->priv; | |
78f85f50 | 3807 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
33c2c06c LC |
3808 | int ret; |
3809 | ||
3810 | wl1271_debug(DEBUG_MAC80211, "wl1271_op_sched_scan_stop"); | |
3811 | ||
3812 | mutex_lock(&wl->mutex); | |
3813 | ||
4cc53383 | 3814 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
9e0dc890 PF |
3815 | goto out; |
3816 | ||
33c2c06c LC |
3817 | ret = wl1271_ps_elp_wakeup(wl); |
3818 | if (ret < 0) | |
3819 | goto out; | |
3820 | ||
78e28062 | 3821 | wl->ops->sched_scan_stop(wl, wlvif); |
33c2c06c LC |
3822 | |
3823 | wl1271_ps_elp_sleep(wl); | |
3824 | out: | |
3825 | mutex_unlock(&wl->mutex); | |
37e3308c JB |
3826 | |
3827 | return 0; | |
33c2c06c LC |
3828 | } |
3829 | ||
68d069c4 AN |
3830 | static int wl1271_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value) |
3831 | { | |
3832 | struct wl1271 *wl = hw->priv; | |
3833 | int ret = 0; | |
3834 | ||
3835 | mutex_lock(&wl->mutex); | |
3836 | ||
4cc53383 | 3837 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
68d069c4 AN |
3838 | ret = -EAGAIN; |
3839 | goto out; | |
3840 | } | |
3841 | ||
a620865e | 3842 | ret = wl1271_ps_elp_wakeup(wl); |
68d069c4 AN |
3843 | if (ret < 0) |
3844 | goto out; | |
3845 | ||
5f704d18 | 3846 | ret = wl1271_acx_frag_threshold(wl, value); |
68d069c4 AN |
3847 | if (ret < 0) |
3848 | wl1271_warning("wl1271_op_set_frag_threshold failed: %d", ret); | |
3849 | ||
3850 | wl1271_ps_elp_sleep(wl); | |
3851 | ||
3852 | out: | |
3853 | mutex_unlock(&wl->mutex); | |
3854 | ||
3855 | return ret; | |
3856 | } | |
3857 | ||
f5fc0f86 LC |
3858 | static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) |
3859 | { | |
3860 | struct wl1271 *wl = hw->priv; | |
6e8cd331 | 3861 | struct wl12xx_vif *wlvif; |
aecb0565 | 3862 | int ret = 0; |
f5fc0f86 LC |
3863 | |
3864 | mutex_lock(&wl->mutex); | |
3865 | ||
4cc53383 | 3866 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
f8d9802f | 3867 | ret = -EAGAIN; |
aecb0565 | 3868 | goto out; |
f8d9802f | 3869 | } |
aecb0565 | 3870 | |
a620865e | 3871 | ret = wl1271_ps_elp_wakeup(wl); |
f5fc0f86 LC |
3872 | if (ret < 0) |
3873 | goto out; | |
3874 | ||
6e8cd331 EP |
3875 | wl12xx_for_each_wlvif(wl, wlvif) { |
3876 | ret = wl1271_acx_rts_threshold(wl, wlvif, value); | |
3877 | if (ret < 0) | |
3878 | wl1271_warning("set rts threshold failed: %d", ret); | |
3879 | } | |
f5fc0f86 LC |
3880 | wl1271_ps_elp_sleep(wl); |
3881 | ||
3882 | out: | |
3883 | mutex_unlock(&wl->mutex); | |
3884 | ||
3885 | return ret; | |
3886 | } | |
3887 | ||
d48055d9 EP |
3888 | static void wl12xx_remove_ie(struct sk_buff *skb, u8 eid, int ieoffset) |
3889 | { | |
3890 | int len; | |
3891 | const u8 *next, *end = skb->data + skb->len; | |
3892 | u8 *ie = (u8 *)cfg80211_find_ie(eid, skb->data + ieoffset, | |
3893 | skb->len - ieoffset); | |
3894 | if (!ie) | |
3895 | return; | |
3896 | len = ie[1] + 2; | |
3897 | next = ie + len; | |
3898 | memmove(ie, next, end - next); | |
3899 | skb_trim(skb, skb->len - len); | |
3900 | } | |
3901 | ||
26b4bf2e EP |
3902 | static void wl12xx_remove_vendor_ie(struct sk_buff *skb, |
3903 | unsigned int oui, u8 oui_type, | |
3904 | int ieoffset) | |
3905 | { | |
3906 | int len; | |
3907 | const u8 *next, *end = skb->data + skb->len; | |
3908 | u8 *ie = (u8 *)cfg80211_find_vendor_ie(oui, oui_type, | |
3909 | skb->data + ieoffset, | |
3910 | skb->len - ieoffset); | |
3911 | if (!ie) | |
3912 | return; | |
3913 | len = ie[1] + 2; | |
3914 | next = ie + len; | |
3915 | memmove(ie, next, end - next); | |
3916 | skb_trim(skb, skb->len - len); | |
3917 | } | |
3918 | ||
341f2c11 AN |
3919 | static int wl1271_ap_set_probe_resp_tmpl(struct wl1271 *wl, u32 rates, |
3920 | struct ieee80211_vif *vif) | |
560f0024 | 3921 | { |
cdaac628 | 3922 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
560f0024 AN |
3923 | struct sk_buff *skb; |
3924 | int ret; | |
3925 | ||
341f2c11 | 3926 | skb = ieee80211_proberesp_get(wl->hw, vif); |
560f0024 | 3927 | if (!skb) |
341f2c11 | 3928 | return -EOPNOTSUPP; |
560f0024 | 3929 | |
cdaac628 | 3930 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, |
560f0024 AN |
3931 | CMD_TEMPL_AP_PROBE_RESPONSE, |
3932 | skb->data, | |
3933 | skb->len, 0, | |
3934 | rates); | |
560f0024 | 3935 | dev_kfree_skb(skb); |
62c2e579 LC |
3936 | |
3937 | if (ret < 0) | |
3938 | goto out; | |
3939 | ||
3940 | wl1271_debug(DEBUG_AP, "probe response updated"); | |
3941 | set_bit(WLVIF_FLAG_AP_PROBE_RESP_SET, &wlvif->flags); | |
3942 | ||
3943 | out: | |
560f0024 AN |
3944 | return ret; |
3945 | } | |
3946 | ||
3947 | static int wl1271_ap_set_probe_resp_tmpl_legacy(struct wl1271 *wl, | |
3948 | struct ieee80211_vif *vif, | |
3949 | u8 *probe_rsp_data, | |
3950 | size_t probe_rsp_len, | |
3951 | u32 rates) | |
68eaaf6e | 3952 | { |
1fe9f161 EP |
3953 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
3954 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
68eaaf6e AN |
3955 | u8 probe_rsp_templ[WL1271_CMD_TEMPL_MAX_SIZE]; |
3956 | int ssid_ie_offset, ie_offset, templ_len; | |
3957 | const u8 *ptr; | |
3958 | ||
3959 | /* no need to change probe response if the SSID is set correctly */ | |
1fe9f161 | 3960 | if (wlvif->ssid_len > 0) |
cdaac628 | 3961 | return wl1271_cmd_template_set(wl, wlvif->role_id, |
68eaaf6e AN |
3962 | CMD_TEMPL_AP_PROBE_RESPONSE, |
3963 | probe_rsp_data, | |
3964 | probe_rsp_len, 0, | |
3965 | rates); | |
3966 | ||
3967 | if (probe_rsp_len + bss_conf->ssid_len > WL1271_CMD_TEMPL_MAX_SIZE) { | |
3968 | wl1271_error("probe_rsp template too big"); | |
3969 | return -EINVAL; | |
3970 | } | |
3971 | ||
3972 | /* start searching from IE offset */ | |
3973 | ie_offset = offsetof(struct ieee80211_mgmt, u.probe_resp.variable); | |
3974 | ||
3975 | ptr = cfg80211_find_ie(WLAN_EID_SSID, probe_rsp_data + ie_offset, | |
3976 | probe_rsp_len - ie_offset); | |
3977 | if (!ptr) { | |
3978 | wl1271_error("No SSID in beacon!"); | |
3979 | return -EINVAL; | |
3980 | } | |
3981 | ||
3982 | ssid_ie_offset = ptr - probe_rsp_data; | |
3983 | ptr += (ptr[1] + 2); | |
3984 | ||
3985 | memcpy(probe_rsp_templ, probe_rsp_data, ssid_ie_offset); | |
3986 | ||
3987 | /* insert SSID from bss_conf */ | |
3988 | probe_rsp_templ[ssid_ie_offset] = WLAN_EID_SSID; | |
3989 | probe_rsp_templ[ssid_ie_offset + 1] = bss_conf->ssid_len; | |
3990 | memcpy(probe_rsp_templ + ssid_ie_offset + 2, | |
3991 | bss_conf->ssid, bss_conf->ssid_len); | |
3992 | templ_len = ssid_ie_offset + 2 + bss_conf->ssid_len; | |
3993 | ||
3994 | memcpy(probe_rsp_templ + ssid_ie_offset + 2 + bss_conf->ssid_len, | |
3995 | ptr, probe_rsp_len - (ptr - probe_rsp_data)); | |
3996 | templ_len += probe_rsp_len - (ptr - probe_rsp_data); | |
3997 | ||
cdaac628 | 3998 | return wl1271_cmd_template_set(wl, wlvif->role_id, |
68eaaf6e AN |
3999 | CMD_TEMPL_AP_PROBE_RESPONSE, |
4000 | probe_rsp_templ, | |
4001 | templ_len, 0, | |
4002 | rates); | |
4003 | } | |
4004 | ||
e78a287a | 4005 | static int wl1271_bss_erp_info_changed(struct wl1271 *wl, |
0603d891 | 4006 | struct ieee80211_vif *vif, |
f5fc0f86 LC |
4007 | struct ieee80211_bss_conf *bss_conf, |
4008 | u32 changed) | |
4009 | { | |
0603d891 | 4010 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
e78a287a | 4011 | int ret = 0; |
f5fc0f86 | 4012 | |
e78a287a AN |
4013 | if (changed & BSS_CHANGED_ERP_SLOT) { |
4014 | if (bss_conf->use_short_slot) | |
0603d891 | 4015 | ret = wl1271_acx_slot(wl, wlvif, SLOT_TIME_SHORT); |
e78a287a | 4016 | else |
0603d891 | 4017 | ret = wl1271_acx_slot(wl, wlvif, SLOT_TIME_LONG); |
e78a287a AN |
4018 | if (ret < 0) { |
4019 | wl1271_warning("Set slot time failed %d", ret); | |
4020 | goto out; | |
4021 | } | |
4022 | } | |
f5fc0f86 | 4023 | |
e78a287a AN |
4024 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { |
4025 | if (bss_conf->use_short_preamble) | |
0603d891 | 4026 | wl1271_acx_set_preamble(wl, wlvif, ACX_PREAMBLE_SHORT); |
e78a287a | 4027 | else |
0603d891 | 4028 | wl1271_acx_set_preamble(wl, wlvif, ACX_PREAMBLE_LONG); |
e78a287a | 4029 | } |
f5fc0f86 | 4030 | |
e78a287a AN |
4031 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { |
4032 | if (bss_conf->use_cts_prot) | |
0603d891 EP |
4033 | ret = wl1271_acx_cts_protect(wl, wlvif, |
4034 | CTSPROTECT_ENABLE); | |
e78a287a | 4035 | else |
0603d891 EP |
4036 | ret = wl1271_acx_cts_protect(wl, wlvif, |
4037 | CTSPROTECT_DISABLE); | |
e78a287a AN |
4038 | if (ret < 0) { |
4039 | wl1271_warning("Set ctsprotect failed %d", ret); | |
4040 | goto out; | |
4041 | } | |
4042 | } | |
f8d9802f | 4043 | |
e78a287a AN |
4044 | out: |
4045 | return ret; | |
4046 | } | |
f5fc0f86 | 4047 | |
62c2e579 LC |
4048 | static int wlcore_set_beacon_template(struct wl1271 *wl, |
4049 | struct ieee80211_vif *vif, | |
4050 | bool is_ap) | |
4051 | { | |
4052 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
4053 | struct ieee80211_hdr *hdr; | |
4054 | u32 min_rate; | |
4055 | int ret; | |
8f6ac537 | 4056 | int ieoffset = offsetof(struct ieee80211_mgmt, u.beacon.variable); |
62c2e579 LC |
4057 | struct sk_buff *beacon = ieee80211_beacon_get(wl->hw, vif); |
4058 | u16 tmpl_id; | |
4059 | ||
4060 | if (!beacon) { | |
4061 | ret = -EINVAL; | |
4062 | goto out; | |
4063 | } | |
4064 | ||
4065 | wl1271_debug(DEBUG_MASTER, "beacon updated"); | |
4066 | ||
3230f35e | 4067 | ret = wl1271_ssid_set(wlvif, beacon, ieoffset); |
62c2e579 LC |
4068 | if (ret < 0) { |
4069 | dev_kfree_skb(beacon); | |
4070 | goto out; | |
4071 | } | |
4072 | min_rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); | |
4073 | tmpl_id = is_ap ? CMD_TEMPL_AP_BEACON : | |
4074 | CMD_TEMPL_BEACON; | |
4075 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, tmpl_id, | |
4076 | beacon->data, | |
4077 | beacon->len, 0, | |
4078 | min_rate); | |
4079 | if (ret < 0) { | |
4080 | dev_kfree_skb(beacon); | |
4081 | goto out; | |
4082 | } | |
4083 | ||
d50529c0 EP |
4084 | wlvif->wmm_enabled = |
4085 | cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, | |
4086 | WLAN_OUI_TYPE_MICROSOFT_WMM, | |
4087 | beacon->data + ieoffset, | |
4088 | beacon->len - ieoffset); | |
4089 | ||
62c2e579 LC |
4090 | /* |
4091 | * In case we already have a probe-resp beacon set explicitly | |
4092 | * by usermode, don't use the beacon data. | |
4093 | */ | |
4094 | if (test_bit(WLVIF_FLAG_AP_PROBE_RESP_SET, &wlvif->flags)) | |
4095 | goto end_bcn; | |
4096 | ||
4097 | /* remove TIM ie from probe response */ | |
4098 | wl12xx_remove_ie(beacon, WLAN_EID_TIM, ieoffset); | |
4099 | ||
4100 | /* | |
4101 | * remove p2p ie from probe response. | |
4102 | * the fw reponds to probe requests that don't include | |
4103 | * the p2p ie. probe requests with p2p ie will be passed, | |
4104 | * and will be responded by the supplicant (the spec | |
4105 | * forbids including the p2p ie when responding to probe | |
4106 | * requests that didn't include it). | |
4107 | */ | |
4108 | wl12xx_remove_vendor_ie(beacon, WLAN_OUI_WFA, | |
4109 | WLAN_OUI_TYPE_WFA_P2P, ieoffset); | |
4110 | ||
4111 | hdr = (struct ieee80211_hdr *) beacon->data; | |
4112 | hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | | |
4113 | IEEE80211_STYPE_PROBE_RESP); | |
4114 | if (is_ap) | |
4115 | ret = wl1271_ap_set_probe_resp_tmpl_legacy(wl, vif, | |
4116 | beacon->data, | |
4117 | beacon->len, | |
4118 | min_rate); | |
4119 | else | |
4120 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, | |
4121 | CMD_TEMPL_PROBE_RESPONSE, | |
4122 | beacon->data, | |
4123 | beacon->len, 0, | |
4124 | min_rate); | |
4125 | end_bcn: | |
4126 | dev_kfree_skb(beacon); | |
4127 | if (ret < 0) | |
4128 | goto out; | |
4129 | ||
4130 | out: | |
4131 | return ret; | |
4132 | } | |
4133 | ||
e78a287a AN |
4134 | static int wl1271_bss_beacon_info_changed(struct wl1271 *wl, |
4135 | struct ieee80211_vif *vif, | |
4136 | struct ieee80211_bss_conf *bss_conf, | |
4137 | u32 changed) | |
4138 | { | |
87fbcb0f | 4139 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
536129c8 | 4140 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); |
e78a287a AN |
4141 | int ret = 0; |
4142 | ||
48af2eb0 | 4143 | if (changed & BSS_CHANGED_BEACON_INT) { |
e78a287a | 4144 | wl1271_debug(DEBUG_MASTER, "beacon interval updated: %d", |
60e84c2e JO |
4145 | bss_conf->beacon_int); |
4146 | ||
6a899796 | 4147 | wlvif->beacon_int = bss_conf->beacon_int; |
60e84c2e JO |
4148 | } |
4149 | ||
560f0024 AN |
4150 | if ((changed & BSS_CHANGED_AP_PROBE_RESP) && is_ap) { |
4151 | u32 rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); | |
62c2e579 LC |
4152 | |
4153 | wl1271_ap_set_probe_resp_tmpl(wl, rate, vif); | |
560f0024 AN |
4154 | } |
4155 | ||
48af2eb0 | 4156 | if (changed & BSS_CHANGED_BEACON) { |
62c2e579 | 4157 | ret = wlcore_set_beacon_template(wl, vif, is_ap); |
e78a287a AN |
4158 | if (ret < 0) |
4159 | goto out; | |
e78a287a | 4160 | |
830513ab EP |
4161 | if (test_and_clear_bit(WLVIF_FLAG_BEACON_DISABLED, |
4162 | &wlvif->flags)) { | |
4163 | ret = wlcore_hw_dfs_master_restart(wl, wlvif); | |
4164 | if (ret < 0) | |
4165 | goto out; | |
4166 | } | |
4167 | } | |
e78a287a | 4168 | out: |
560f0024 AN |
4169 | if (ret != 0) |
4170 | wl1271_error("beacon info change failed: %d", ret); | |
e78a287a AN |
4171 | return ret; |
4172 | } | |
4173 | ||
4174 | /* AP mode changes */ | |
4175 | static void wl1271_bss_info_changed_ap(struct wl1271 *wl, | |
4176 | struct ieee80211_vif *vif, | |
4177 | struct ieee80211_bss_conf *bss_conf, | |
4178 | u32 changed) | |
4179 | { | |
87fbcb0f | 4180 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
e78a287a | 4181 | int ret = 0; |
e0d8bbf0 | 4182 | |
b6970ee5 | 4183 | if (changed & BSS_CHANGED_BASIC_RATES) { |
e78a287a | 4184 | u32 rates = bss_conf->basic_rates; |
5da11dcd | 4185 | |
87fbcb0f | 4186 | wlvif->basic_rate_set = wl1271_tx_enabled_rates_get(wl, rates, |
1b92f15e | 4187 | wlvif->band); |
d2d66c56 | 4188 | wlvif->basic_rate = wl1271_tx_min_rate_get(wl, |
87fbcb0f | 4189 | wlvif->basic_rate_set); |
70f47424 | 4190 | |
87fbcb0f | 4191 | ret = wl1271_init_ap_rates(wl, wlvif); |
e78a287a | 4192 | if (ret < 0) { |
70f47424 | 4193 | wl1271_error("AP rate policy change failed %d", ret); |
e78a287a AN |
4194 | goto out; |
4195 | } | |
c45a85b5 | 4196 | |
784f694d | 4197 | ret = wl1271_ap_init_templates(wl, vif); |
c45a85b5 AN |
4198 | if (ret < 0) |
4199 | goto out; | |
62c2e579 LC |
4200 | |
4201 | ret = wl1271_ap_set_probe_resp_tmpl(wl, wlvif->basic_rate, vif); | |
4202 | if (ret < 0) | |
4203 | goto out; | |
4204 | ||
4205 | ret = wlcore_set_beacon_template(wl, vif, true); | |
4206 | if (ret < 0) | |
4207 | goto out; | |
e78a287a | 4208 | } |
2f6724b2 | 4209 | |
e78a287a AN |
4210 | ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, changed); |
4211 | if (ret < 0) | |
4212 | goto out; | |
30240fc7 | 4213 | |
48af2eb0 | 4214 | if (changed & BSS_CHANGED_BEACON_ENABLED) { |
e78a287a | 4215 | if (bss_conf->enable_beacon) { |
53d40d0b | 4216 | if (!test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) { |
87fbcb0f | 4217 | ret = wl12xx_cmd_role_start_ap(wl, wlvif); |
e78a287a AN |
4218 | if (ret < 0) |
4219 | goto out; | |
e0d8bbf0 | 4220 | |
a8ab39a4 | 4221 | ret = wl1271_ap_init_hwenc(wl, wlvif); |
7f179b46 AN |
4222 | if (ret < 0) |
4223 | goto out; | |
cf42039f | 4224 | |
53d40d0b | 4225 | set_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags); |
cf42039f | 4226 | wl1271_debug(DEBUG_AP, "started AP"); |
e0d8bbf0 | 4227 | } |
e78a287a | 4228 | } else { |
53d40d0b | 4229 | if (test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) { |
187e52cc AN |
4230 | /* |
4231 | * AP might be in ROC in case we have just | |
4232 | * sent auth reply. handle it. | |
4233 | */ | |
4234 | if (test_bit(wlvif->role_id, wl->roc_map)) | |
4235 | wl12xx_croc(wl, wlvif->role_id); | |
4236 | ||
0603d891 | 4237 | ret = wl12xx_cmd_role_stop_ap(wl, wlvif); |
e78a287a AN |
4238 | if (ret < 0) |
4239 | goto out; | |
e0d8bbf0 | 4240 | |
53d40d0b | 4241 | clear_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags); |
560f0024 AN |
4242 | clear_bit(WLVIF_FLAG_AP_PROBE_RESP_SET, |
4243 | &wlvif->flags); | |
e78a287a AN |
4244 | wl1271_debug(DEBUG_AP, "stopped AP"); |
4245 | } | |
4246 | } | |
4247 | } | |
e0d8bbf0 | 4248 | |
0603d891 | 4249 | ret = wl1271_bss_erp_info_changed(wl, vif, bss_conf, changed); |
e78a287a AN |
4250 | if (ret < 0) |
4251 | goto out; | |
0b932ab9 AN |
4252 | |
4253 | /* Handle HT information change */ | |
4254 | if ((changed & BSS_CHANGED_HT) && | |
4bf88530 | 4255 | (bss_conf->chandef.width != NL80211_CHAN_WIDTH_20_NOHT)) { |
0603d891 | 4256 | ret = wl1271_acx_set_ht_information(wl, wlvif, |
0b932ab9 AN |
4257 | bss_conf->ht_operation_mode); |
4258 | if (ret < 0) { | |
4259 | wl1271_warning("Set ht information failed %d", ret); | |
4260 | goto out; | |
4261 | } | |
4262 | } | |
4263 | ||
e78a287a AN |
4264 | out: |
4265 | return; | |
4266 | } | |
8bf29b0e | 4267 | |
3230f35e EP |
4268 | static int wlcore_set_bssid(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
4269 | struct ieee80211_bss_conf *bss_conf, | |
4270 | u32 sta_rate_set) | |
4271 | { | |
4272 | u32 rates; | |
4273 | int ret; | |
4274 | ||
4275 | wl1271_debug(DEBUG_MAC80211, | |
4276 | "changed_bssid: %pM, aid: %d, bcn_int: %d, brates: 0x%x sta_rate_set: 0x%x", | |
4277 | bss_conf->bssid, bss_conf->aid, | |
4278 | bss_conf->beacon_int, | |
4279 | bss_conf->basic_rates, sta_rate_set); | |
4280 | ||
4281 | wlvif->beacon_int = bss_conf->beacon_int; | |
4282 | rates = bss_conf->basic_rates; | |
4283 | wlvif->basic_rate_set = | |
4284 | wl1271_tx_enabled_rates_get(wl, rates, | |
4285 | wlvif->band); | |
4286 | wlvif->basic_rate = | |
4287 | wl1271_tx_min_rate_get(wl, | |
4288 | wlvif->basic_rate_set); | |
4289 | ||
4290 | if (sta_rate_set) | |
4291 | wlvif->rate_set = | |
4292 | wl1271_tx_enabled_rates_get(wl, | |
4293 | sta_rate_set, | |
4294 | wlvif->band); | |
4295 | ||
4296 | /* we only support sched_scan while not connected */ | |
10199756 | 4297 | if (wl->sched_vif == wlvif) |
78e28062 | 4298 | wl->ops->sched_scan_stop(wl, wlvif); |
3230f35e EP |
4299 | |
4300 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); | |
4301 | if (ret < 0) | |
4302 | return ret; | |
4303 | ||
4304 | ret = wl12xx_cmd_build_null_data(wl, wlvif); | |
4305 | if (ret < 0) | |
4306 | return ret; | |
4307 | ||
4308 | ret = wl1271_build_qos_null_data(wl, wl12xx_wlvif_to_vif(wlvif)); | |
4309 | if (ret < 0) | |
4310 | return ret; | |
4311 | ||
4312 | wlcore_set_ssid(wl, wlvif); | |
4313 | ||
4314 | set_bit(WLVIF_FLAG_IN_USE, &wlvif->flags); | |
4315 | ||
4316 | return 0; | |
4317 | } | |
4318 | ||
4319 | static int wlcore_clear_bssid(struct wl1271 *wl, struct wl12xx_vif *wlvif) | |
4320 | { | |
4321 | int ret; | |
4322 | ||
4323 | /* revert back to minimum rates for the current band */ | |
4324 | wl1271_set_band_rate(wl, wlvif); | |
4325 | wlvif->basic_rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); | |
4326 | ||
4327 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); | |
4328 | if (ret < 0) | |
4329 | return ret; | |
4330 | ||
4331 | if (wlvif->bss_type == BSS_TYPE_STA_BSS && | |
4332 | test_bit(WLVIF_FLAG_IN_USE, &wlvif->flags)) { | |
4333 | ret = wl12xx_cmd_role_stop_sta(wl, wlvif); | |
4334 | if (ret < 0) | |
4335 | return ret; | |
4336 | } | |
4337 | ||
4338 | clear_bit(WLVIF_FLAG_IN_USE, &wlvif->flags); | |
4339 | return 0; | |
4340 | } | |
e78a287a AN |
4341 | /* STA/IBSS mode changes */ |
4342 | static void wl1271_bss_info_changed_sta(struct wl1271 *wl, | |
4343 | struct ieee80211_vif *vif, | |
4344 | struct ieee80211_bss_conf *bss_conf, | |
4345 | u32 changed) | |
4346 | { | |
87fbcb0f | 4347 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
3230f35e | 4348 | bool do_join = false; |
536129c8 | 4349 | bool is_ibss = (wlvif->bss_type == BSS_TYPE_IBSS); |
227e81e1 | 4350 | bool ibss_joined = false; |
72c2d9e5 | 4351 | u32 sta_rate_set = 0; |
e78a287a | 4352 | int ret; |
2d6e4e76 | 4353 | struct ieee80211_sta *sta; |
a100885d AN |
4354 | bool sta_exists = false; |
4355 | struct ieee80211_sta_ht_cap sta_ht_cap; | |
e78a287a AN |
4356 | |
4357 | if (is_ibss) { | |
4358 | ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, | |
4359 | changed); | |
4360 | if (ret < 0) | |
4361 | goto out; | |
e0d8bbf0 JO |
4362 | } |
4363 | ||
227e81e1 EP |
4364 | if (changed & BSS_CHANGED_IBSS) { |
4365 | if (bss_conf->ibss_joined) { | |
eee514e3 | 4366 | set_bit(WLVIF_FLAG_IBSS_JOINED, &wlvif->flags); |
227e81e1 EP |
4367 | ibss_joined = true; |
4368 | } else { | |
3230f35e EP |
4369 | wlcore_unset_assoc(wl, wlvif); |
4370 | wl12xx_cmd_role_stop_sta(wl, wlvif); | |
227e81e1 EP |
4371 | } |
4372 | } | |
4373 | ||
4374 | if ((changed & BSS_CHANGED_BEACON_INT) && ibss_joined) | |
e78a287a AN |
4375 | do_join = true; |
4376 | ||
4377 | /* Need to update the SSID (for filtering etc) */ | |
227e81e1 | 4378 | if ((changed & BSS_CHANGED_BEACON) && ibss_joined) |
e78a287a AN |
4379 | do_join = true; |
4380 | ||
227e81e1 | 4381 | if ((changed & BSS_CHANGED_BEACON_ENABLED) && ibss_joined) { |
5da11dcd JO |
4382 | wl1271_debug(DEBUG_ADHOC, "ad-hoc beaconing: %s", |
4383 | bss_conf->enable_beacon ? "enabled" : "disabled"); | |
4384 | ||
5da11dcd JO |
4385 | do_join = true; |
4386 | } | |
4387 | ||
b0ed8a4d AN |
4388 | if (changed & BSS_CHANGED_IDLE && !is_ibss) |
4389 | wl1271_sta_handle_idle(wl, wlvif, bss_conf->idle); | |
4390 | ||
48af2eb0 | 4391 | if (changed & BSS_CHANGED_CQM) { |
00236aed JO |
4392 | bool enable = false; |
4393 | if (bss_conf->cqm_rssi_thold) | |
4394 | enable = true; | |
0603d891 | 4395 | ret = wl1271_acx_rssi_snr_trigger(wl, wlvif, enable, |
00236aed JO |
4396 | bss_conf->cqm_rssi_thold, |
4397 | bss_conf->cqm_rssi_hyst); | |
4398 | if (ret < 0) | |
4399 | goto out; | |
04324d99 | 4400 | wlvif->rssi_thold = bss_conf->cqm_rssi_thold; |
00236aed JO |
4401 | } |
4402 | ||
ec87011a EP |
4403 | if (changed & (BSS_CHANGED_BSSID | BSS_CHANGED_HT | |
4404 | BSS_CHANGED_ASSOC)) { | |
0f9c8250 AN |
4405 | rcu_read_lock(); |
4406 | sta = ieee80211_find_sta(vif, bss_conf->bssid); | |
ef08d028 LC |
4407 | if (sta) { |
4408 | u8 *rx_mask = sta->ht_cap.mcs.rx_mask; | |
4409 | ||
4410 | /* save the supp_rates of the ap */ | |
4411 | sta_rate_set = sta->supp_rates[wlvif->band]; | |
4412 | if (sta->ht_cap.ht_supported) | |
4413 | sta_rate_set |= | |
4414 | (rx_mask[0] << HW_HT_RATES_OFFSET) | | |
4415 | (rx_mask[1] << HW_MIMO_RATES_OFFSET); | |
4416 | sta_ht_cap = sta->ht_cap; | |
4417 | sta_exists = true; | |
4418 | } | |
4419 | ||
0f9c8250 | 4420 | rcu_read_unlock(); |
72c2d9e5 | 4421 | } |
72c2d9e5 | 4422 | |
3230f35e EP |
4423 | if (changed & BSS_CHANGED_BSSID) { |
4424 | if (!is_zero_ether_addr(bss_conf->bssid)) { | |
4425 | ret = wlcore_set_bssid(wl, wlvif, bss_conf, | |
4426 | sta_rate_set); | |
f5fc0f86 | 4427 | if (ret < 0) |
e78a287a | 4428 | goto out; |
f5fc0f86 | 4429 | |
3230f35e EP |
4430 | /* Need to update the BSSID (for filtering etc) */ |
4431 | do_join = true; | |
d94cd297 | 4432 | } else { |
3230f35e | 4433 | ret = wlcore_clear_bssid(wl, wlvif); |
6ccbb92e | 4434 | if (ret < 0) |
e78a287a | 4435 | goto out; |
f5fc0f86 | 4436 | } |
f5fc0f86 LC |
4437 | } |
4438 | ||
d192d268 EP |
4439 | if (changed & BSS_CHANGED_IBSS) { |
4440 | wl1271_debug(DEBUG_ADHOC, "ibss_joined: %d", | |
4441 | bss_conf->ibss_joined); | |
4442 | ||
4443 | if (bss_conf->ibss_joined) { | |
4444 | u32 rates = bss_conf->basic_rates; | |
87fbcb0f | 4445 | wlvif->basic_rate_set = |
af7fbb28 | 4446 | wl1271_tx_enabled_rates_get(wl, rates, |
1b92f15e | 4447 | wlvif->band); |
d2d66c56 | 4448 | wlvif->basic_rate = |
87fbcb0f EP |
4449 | wl1271_tx_min_rate_get(wl, |
4450 | wlvif->basic_rate_set); | |
d192d268 | 4451 | |
06b660e1 | 4452 | /* by default, use 11b + OFDM rates */ |
30d0c8fd EP |
4453 | wlvif->rate_set = CONF_TX_IBSS_DEFAULT_RATES; |
4454 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); | |
d192d268 EP |
4455 | if (ret < 0) |
4456 | goto out; | |
4457 | } | |
4458 | } | |
4459 | ||
d881fa2c EP |
4460 | if ((changed & BSS_CHANGED_BEACON_INFO) && bss_conf->dtim_period) { |
4461 | /* enable beacon filtering */ | |
4462 | ret = wl1271_acx_beacon_filter_opt(wl, wlvif, true); | |
4463 | if (ret < 0) | |
4464 | goto out; | |
4465 | } | |
4466 | ||
0603d891 | 4467 | ret = wl1271_bss_erp_info_changed(wl, vif, bss_conf, changed); |
e78a287a AN |
4468 | if (ret < 0) |
4469 | goto out; | |
f5fc0f86 | 4470 | |
8bf29b0e | 4471 | if (do_join) { |
3230f35e | 4472 | ret = wlcore_join(wl, wlvif); |
8bf29b0e JO |
4473 | if (ret < 0) { |
4474 | wl1271_warning("cmd join failed %d", ret); | |
e78a287a | 4475 | goto out; |
8bf29b0e | 4476 | } |
3230f35e | 4477 | } |
251c177f | 4478 | |
3230f35e EP |
4479 | if (changed & BSS_CHANGED_ASSOC) { |
4480 | if (bss_conf->assoc) { | |
ec87011a EP |
4481 | ret = wlcore_set_assoc(wl, wlvif, bss_conf, |
4482 | sta_rate_set); | |
251c177f EP |
4483 | if (ret < 0) |
4484 | goto out; | |
4485 | ||
9fd6f21b EP |
4486 | if (test_bit(WLVIF_FLAG_STA_AUTHORIZED, &wlvif->flags)) |
4487 | wl12xx_set_authorized(wl, wlvif); | |
3230f35e EP |
4488 | } else { |
4489 | wlcore_unset_assoc(wl, wlvif); | |
251c177f | 4490 | } |
c1899554 JO |
4491 | } |
4492 | ||
518b680a EP |
4493 | if (changed & BSS_CHANGED_PS) { |
4494 | if ((bss_conf->ps) && | |
4495 | test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) && | |
4496 | !test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags)) { | |
4497 | int ps_mode; | |
4498 | char *ps_mode_str; | |
4499 | ||
4500 | if (wl->conf.conn.forced_ps) { | |
4501 | ps_mode = STATION_POWER_SAVE_MODE; | |
4502 | ps_mode_str = "forced"; | |
4503 | } else { | |
4504 | ps_mode = STATION_AUTO_PS_MODE; | |
4505 | ps_mode_str = "auto"; | |
4506 | } | |
4507 | ||
4508 | wl1271_debug(DEBUG_PSM, "%s ps enabled", ps_mode_str); | |
4509 | ||
4510 | ret = wl1271_ps_set_mode(wl, wlvif, ps_mode); | |
251c177f | 4511 | if (ret < 0) |
518b680a EP |
4512 | wl1271_warning("enter %s ps failed %d", |
4513 | ps_mode_str, ret); | |
4514 | } else if (!bss_conf->ps && | |
4515 | test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags)) { | |
4516 | wl1271_debug(DEBUG_PSM, "auto ps disabled"); | |
4517 | ||
4518 | ret = wl1271_ps_set_mode(wl, wlvif, | |
4519 | STATION_ACTIVE_MODE); | |
4520 | if (ret < 0) | |
4521 | wl1271_warning("exit auto ps failed %d", ret); | |
251c177f | 4522 | } |
c1899554 JO |
4523 | } |
4524 | ||
0b932ab9 | 4525 | /* Handle new association with HT. Do this after join. */ |
6f0b1bb2 | 4526 | if (sta_exists) { |
58321b29 | 4527 | bool enabled = |
aaabee8b | 4528 | bss_conf->chandef.width != NL80211_CHAN_WIDTH_20_NOHT; |
58321b29 | 4529 | |
530abe19 EP |
4530 | ret = wlcore_hw_set_peer_cap(wl, |
4531 | &sta_ht_cap, | |
4532 | enabled, | |
4533 | wlvif->rate_set, | |
4534 | wlvif->sta.hlid); | |
58321b29 EP |
4535 | if (ret < 0) { |
4536 | wl1271_warning("Set ht cap failed %d", ret); | |
4537 | goto out; | |
4538 | ||
0f9c8250 | 4539 | } |
58321b29 EP |
4540 | |
4541 | if (enabled) { | |
4542 | ret = wl1271_acx_set_ht_information(wl, wlvif, | |
4543 | bss_conf->ht_operation_mode); | |
0f9c8250 | 4544 | if (ret < 0) { |
58321b29 | 4545 | wl1271_warning("Set ht information failed %d", |
0f9c8250 AN |
4546 | ret); |
4547 | goto out; | |
4548 | } | |
4549 | } | |
4550 | } | |
4551 | ||
76a74c8a EP |
4552 | /* Handle arp filtering. Done after join. */ |
4553 | if ((changed & BSS_CHANGED_ARP_FILTER) || | |
4554 | (!is_ibss && (changed & BSS_CHANGED_QOS))) { | |
4555 | __be32 addr = bss_conf->arp_addr_list[0]; | |
4556 | wlvif->sta.qos = bss_conf->qos; | |
4557 | WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS); | |
4558 | ||
0f19b41e | 4559 | if (bss_conf->arp_addr_cnt == 1 && bss_conf->assoc) { |
76a74c8a EP |
4560 | wlvif->ip_addr = addr; |
4561 | /* | |
4562 | * The template should have been configured only upon | |
4563 | * association. however, it seems that the correct ip | |
4564 | * isn't being set (when sending), so we have to | |
4565 | * reconfigure the template upon every ip change. | |
4566 | */ | |
4567 | ret = wl1271_cmd_build_arp_rsp(wl, wlvif); | |
4568 | if (ret < 0) { | |
4569 | wl1271_warning("build arp rsp failed: %d", ret); | |
4570 | goto out; | |
4571 | } | |
4572 | ||
4573 | ret = wl1271_acx_arp_ip_filter(wl, wlvif, | |
4574 | (ACX_ARP_FILTER_ARP_FILTERING | | |
4575 | ACX_ARP_FILTER_AUTO_ARP), | |
4576 | addr); | |
4577 | } else { | |
4578 | wlvif->ip_addr = 0; | |
4579 | ret = wl1271_acx_arp_ip_filter(wl, wlvif, 0, addr); | |
4580 | } | |
4581 | ||
4582 | if (ret < 0) | |
4583 | goto out; | |
4584 | } | |
4585 | ||
e78a287a AN |
4586 | out: |
4587 | return; | |
4588 | } | |
4589 | ||
4590 | static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, | |
4591 | struct ieee80211_vif *vif, | |
4592 | struct ieee80211_bss_conf *bss_conf, | |
4593 | u32 changed) | |
4594 | { | |
4595 | struct wl1271 *wl = hw->priv; | |
536129c8 EP |
4596 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
4597 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); | |
e78a287a AN |
4598 | int ret; |
4599 | ||
d3f5a1b5 EP |
4600 | wl1271_debug(DEBUG_MAC80211, "mac80211 bss info role %d changed 0x%x", |
4601 | wlvif->role_id, (int)changed); | |
e78a287a | 4602 | |
6b8bf5bc AN |
4603 | /* |
4604 | * make sure to cancel pending disconnections if our association | |
4605 | * state changed | |
4606 | */ | |
4607 | if (!is_ap && (changed & BSS_CHANGED_ASSOC)) | |
c50a2825 | 4608 | cancel_delayed_work_sync(&wlvif->connection_loss_work); |
6b8bf5bc | 4609 | |
b515d83a EP |
4610 | if (is_ap && (changed & BSS_CHANGED_BEACON_ENABLED) && |
4611 | !bss_conf->enable_beacon) | |
4612 | wl1271_tx_flush(wl); | |
4613 | ||
e78a287a AN |
4614 | mutex_lock(&wl->mutex); |
4615 | ||
4cc53383 | 4616 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
e78a287a AN |
4617 | goto out; |
4618 | ||
10c8cd01 EP |
4619 | if (unlikely(!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags))) |
4620 | goto out; | |
4621 | ||
a620865e | 4622 | ret = wl1271_ps_elp_wakeup(wl); |
e78a287a AN |
4623 | if (ret < 0) |
4624 | goto out; | |
4625 | ||
b30d49b2 AG |
4626 | if ((changed & BSS_CHANGED_TXPOWER) && |
4627 | bss_conf->txpower != wlvif->power_level) { | |
4628 | ||
4629 | ret = wl1271_acx_tx_power(wl, wlvif, bss_conf->txpower); | |
4630 | if (ret < 0) | |
4631 | goto out; | |
4632 | ||
4633 | wlvif->power_level = bss_conf->txpower; | |
4634 | } | |
4635 | ||
e78a287a AN |
4636 | if (is_ap) |
4637 | wl1271_bss_info_changed_ap(wl, vif, bss_conf, changed); | |
4638 | else | |
4639 | wl1271_bss_info_changed_sta(wl, vif, bss_conf, changed); | |
4640 | ||
f5fc0f86 LC |
4641 | wl1271_ps_elp_sleep(wl); |
4642 | ||
4643 | out: | |
4644 | mutex_unlock(&wl->mutex); | |
4645 | } | |
4646 | ||
b6970ee5 EP |
4647 | static int wlcore_op_add_chanctx(struct ieee80211_hw *hw, |
4648 | struct ieee80211_chanctx_conf *ctx) | |
4649 | { | |
4650 | wl1271_debug(DEBUG_MAC80211, "mac80211 add chanctx %d (type %d)", | |
aaabee8b LC |
4651 | ieee80211_frequency_to_channel(ctx->def.chan->center_freq), |
4652 | cfg80211_get_chandef_type(&ctx->def)); | |
b6970ee5 EP |
4653 | return 0; |
4654 | } | |
4655 | ||
4656 | static void wlcore_op_remove_chanctx(struct ieee80211_hw *hw, | |
4657 | struct ieee80211_chanctx_conf *ctx) | |
4658 | { | |
4659 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove chanctx %d (type %d)", | |
aaabee8b LC |
4660 | ieee80211_frequency_to_channel(ctx->def.chan->center_freq), |
4661 | cfg80211_get_chandef_type(&ctx->def)); | |
b6970ee5 EP |
4662 | } |
4663 | ||
4664 | static void wlcore_op_change_chanctx(struct ieee80211_hw *hw, | |
4665 | struct ieee80211_chanctx_conf *ctx, | |
4666 | u32 changed) | |
4667 | { | |
750e9d15 EP |
4668 | struct wl1271 *wl = hw->priv; |
4669 | struct wl12xx_vif *wlvif; | |
4670 | int ret; | |
4671 | int channel = ieee80211_frequency_to_channel( | |
4672 | ctx->def.chan->center_freq); | |
4673 | ||
b6970ee5 EP |
4674 | wl1271_debug(DEBUG_MAC80211, |
4675 | "mac80211 change chanctx %d (type %d) changed 0x%x", | |
750e9d15 EP |
4676 | channel, cfg80211_get_chandef_type(&ctx->def), changed); |
4677 | ||
4678 | mutex_lock(&wl->mutex); | |
4679 | ||
4680 | ret = wl1271_ps_elp_wakeup(wl); | |
4681 | if (ret < 0) | |
4682 | goto out; | |
4683 | ||
4684 | wl12xx_for_each_wlvif(wl, wlvif) { | |
4685 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); | |
4686 | ||
4687 | rcu_read_lock(); | |
4688 | if (rcu_access_pointer(vif->chanctx_conf) != ctx) { | |
4689 | rcu_read_unlock(); | |
4690 | continue; | |
4691 | } | |
4692 | rcu_read_unlock(); | |
4693 | ||
4694 | /* start radar if needed */ | |
4695 | if (changed & IEEE80211_CHANCTX_CHANGE_RADAR && | |
4696 | wlvif->bss_type == BSS_TYPE_AP_BSS && | |
4697 | ctx->radar_enabled && !wlvif->radar_enabled && | |
4698 | ctx->def.chan->dfs_state == NL80211_DFS_USABLE) { | |
4699 | wl1271_debug(DEBUG_MAC80211, "Start radar detection"); | |
4700 | wlcore_hw_set_cac(wl, wlvif, true); | |
4701 | wlvif->radar_enabled = true; | |
4702 | } | |
4703 | } | |
4704 | ||
4705 | wl1271_ps_elp_sleep(wl); | |
4706 | out: | |
4707 | mutex_unlock(&wl->mutex); | |
b6970ee5 EP |
4708 | } |
4709 | ||
4710 | static int wlcore_op_assign_vif_chanctx(struct ieee80211_hw *hw, | |
4711 | struct ieee80211_vif *vif, | |
4712 | struct ieee80211_chanctx_conf *ctx) | |
4713 | { | |
4714 | struct wl1271 *wl = hw->priv; | |
4715 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
4716 | int channel = ieee80211_frequency_to_channel( | |
aaabee8b | 4717 | ctx->def.chan->center_freq); |
750e9d15 | 4718 | int ret = -EINVAL; |
b6970ee5 EP |
4719 | |
4720 | wl1271_debug(DEBUG_MAC80211, | |
750e9d15 EP |
4721 | "mac80211 assign chanctx (role %d) %d (type %d) (radar %d dfs_state %d)", |
4722 | wlvif->role_id, channel, | |
4723 | cfg80211_get_chandef_type(&ctx->def), | |
4724 | ctx->radar_enabled, ctx->def.chan->dfs_state); | |
b6970ee5 EP |
4725 | |
4726 | mutex_lock(&wl->mutex); | |
4727 | ||
750e9d15 EP |
4728 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
4729 | goto out; | |
4730 | ||
4731 | if (unlikely(!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags))) | |
4732 | goto out; | |
4733 | ||
4734 | ret = wl1271_ps_elp_wakeup(wl); | |
4735 | if (ret < 0) | |
4736 | goto out; | |
4737 | ||
aaabee8b | 4738 | wlvif->band = ctx->def.chan->band; |
b6970ee5 | 4739 | wlvif->channel = channel; |
aaabee8b | 4740 | wlvif->channel_type = cfg80211_get_chandef_type(&ctx->def); |
b6970ee5 EP |
4741 | |
4742 | /* update default rates according to the band */ | |
4743 | wl1271_set_band_rate(wl, wlvif); | |
4744 | ||
750e9d15 EP |
4745 | if (ctx->radar_enabled && |
4746 | ctx->def.chan->dfs_state == NL80211_DFS_USABLE) { | |
4747 | wl1271_debug(DEBUG_MAC80211, "Start radar detection"); | |
4748 | wlcore_hw_set_cac(wl, wlvif, true); | |
4749 | wlvif->radar_enabled = true; | |
4750 | } | |
4751 | ||
4752 | wl1271_ps_elp_sleep(wl); | |
4753 | out: | |
b6970ee5 EP |
4754 | mutex_unlock(&wl->mutex); |
4755 | ||
4756 | return 0; | |
4757 | } | |
4758 | ||
4759 | static void wlcore_op_unassign_vif_chanctx(struct ieee80211_hw *hw, | |
4760 | struct ieee80211_vif *vif, | |
4761 | struct ieee80211_chanctx_conf *ctx) | |
4762 | { | |
4763 | struct wl1271 *wl = hw->priv; | |
4764 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
750e9d15 | 4765 | int ret; |
b6970ee5 EP |
4766 | |
4767 | wl1271_debug(DEBUG_MAC80211, | |
4768 | "mac80211 unassign chanctx (role %d) %d (type %d)", | |
4769 | wlvif->role_id, | |
aaabee8b LC |
4770 | ieee80211_frequency_to_channel(ctx->def.chan->center_freq), |
4771 | cfg80211_get_chandef_type(&ctx->def)); | |
b6970ee5 EP |
4772 | |
4773 | wl1271_tx_flush(wl); | |
750e9d15 EP |
4774 | |
4775 | mutex_lock(&wl->mutex); | |
4776 | ||
4777 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
4778 | goto out; | |
4779 | ||
4780 | if (unlikely(!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags))) | |
4781 | goto out; | |
4782 | ||
4783 | ret = wl1271_ps_elp_wakeup(wl); | |
4784 | if (ret < 0) | |
4785 | goto out; | |
4786 | ||
4787 | if (wlvif->radar_enabled) { | |
4788 | wl1271_debug(DEBUG_MAC80211, "Stop radar detection"); | |
4789 | wlcore_hw_set_cac(wl, wlvif, false); | |
4790 | wlvif->radar_enabled = false; | |
4791 | } | |
4792 | ||
4793 | wl1271_ps_elp_sleep(wl); | |
4794 | out: | |
4795 | mutex_unlock(&wl->mutex); | |
4796 | } | |
4797 | ||
4798 | static int __wlcore_switch_vif_chan(struct wl1271 *wl, | |
4799 | struct wl12xx_vif *wlvif, | |
4800 | struct ieee80211_chanctx_conf *new_ctx) | |
4801 | { | |
4802 | int channel = ieee80211_frequency_to_channel( | |
4803 | new_ctx->def.chan->center_freq); | |
4804 | ||
4805 | wl1271_debug(DEBUG_MAC80211, | |
4806 | "switch vif (role %d) %d -> %d chan_type: %d", | |
4807 | wlvif->role_id, wlvif->channel, channel, | |
4808 | cfg80211_get_chandef_type(&new_ctx->def)); | |
4809 | ||
4810 | if (WARN_ON_ONCE(wlvif->bss_type != BSS_TYPE_AP_BSS)) | |
4811 | return 0; | |
4812 | ||
830513ab EP |
4813 | WARN_ON(!test_bit(WLVIF_FLAG_BEACON_DISABLED, &wlvif->flags)); |
4814 | ||
750e9d15 EP |
4815 | if (wlvif->radar_enabled) { |
4816 | wl1271_debug(DEBUG_MAC80211, "Stop radar detection"); | |
4817 | wlcore_hw_set_cac(wl, wlvif, false); | |
4818 | wlvif->radar_enabled = false; | |
4819 | } | |
4820 | ||
4821 | wlvif->band = new_ctx->def.chan->band; | |
4822 | wlvif->channel = channel; | |
4823 | wlvif->channel_type = cfg80211_get_chandef_type(&new_ctx->def); | |
4824 | ||
4825 | /* start radar if needed */ | |
4826 | if (new_ctx->radar_enabled) { | |
4827 | wl1271_debug(DEBUG_MAC80211, "Start radar detection"); | |
4828 | wlcore_hw_set_cac(wl, wlvif, true); | |
4829 | wlvif->radar_enabled = true; | |
4830 | } | |
4831 | ||
4832 | return 0; | |
4833 | } | |
4834 | ||
4835 | static int | |
4836 | wlcore_op_switch_vif_chanctx(struct ieee80211_hw *hw, | |
4837 | struct ieee80211_vif_chanctx_switch *vifs, | |
4838 | int n_vifs, | |
4839 | enum ieee80211_chanctx_switch_mode mode) | |
4840 | { | |
4841 | struct wl1271 *wl = hw->priv; | |
4842 | int i, ret; | |
4843 | ||
4844 | wl1271_debug(DEBUG_MAC80211, | |
4845 | "mac80211 switch chanctx n_vifs %d mode %d", | |
4846 | n_vifs, mode); | |
4847 | ||
4848 | mutex_lock(&wl->mutex); | |
4849 | ||
4850 | ret = wl1271_ps_elp_wakeup(wl); | |
4851 | if (ret < 0) | |
4852 | goto out; | |
4853 | ||
4854 | for (i = 0; i < n_vifs; i++) { | |
4855 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vifs[i].vif); | |
4856 | ||
4857 | ret = __wlcore_switch_vif_chan(wl, wlvif, vifs[i].new_ctx); | |
4858 | if (ret) | |
4859 | goto out_sleep; | |
4860 | } | |
4861 | out_sleep: | |
4862 | wl1271_ps_elp_sleep(wl); | |
4863 | out: | |
4864 | mutex_unlock(&wl->mutex); | |
4865 | ||
4866 | return 0; | |
b6970ee5 EP |
4867 | } |
4868 | ||
8a3a3c85 EP |
4869 | static int wl1271_op_conf_tx(struct ieee80211_hw *hw, |
4870 | struct ieee80211_vif *vif, u16 queue, | |
c6999d83 KV |
4871 | const struct ieee80211_tx_queue_params *params) |
4872 | { | |
4873 | struct wl1271 *wl = hw->priv; | |
0603d891 | 4874 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
4695dc91 | 4875 | u8 ps_scheme; |
488fc540 | 4876 | int ret = 0; |
c6999d83 | 4877 | |
7845af35 EP |
4878 | if (wlcore_is_p2p_mgmt(wlvif)) |
4879 | return 0; | |
4880 | ||
c6999d83 KV |
4881 | mutex_lock(&wl->mutex); |
4882 | ||
4883 | wl1271_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue); | |
4884 | ||
4695dc91 KV |
4885 | if (params->uapsd) |
4886 | ps_scheme = CONF_PS_SCHEME_UPSD_TRIGGER; | |
4887 | else | |
4888 | ps_scheme = CONF_PS_SCHEME_LEGACY; | |
4889 | ||
5b37ddfe | 4890 | if (!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) |
c1b193eb | 4891 | goto out; |
488fc540 | 4892 | |
c1b193eb EP |
4893 | ret = wl1271_ps_elp_wakeup(wl); |
4894 | if (ret < 0) | |
4895 | goto out; | |
488fc540 | 4896 | |
c1b193eb EP |
4897 | /* |
4898 | * the txop is confed in units of 32us by the mac80211, | |
4899 | * we need us | |
4900 | */ | |
0603d891 | 4901 | ret = wl1271_acx_ac_cfg(wl, wlvif, wl1271_tx_get_queue(queue), |
c1b193eb EP |
4902 | params->cw_min, params->cw_max, |
4903 | params->aifs, params->txop << 5); | |
4904 | if (ret < 0) | |
4905 | goto out_sleep; | |
4906 | ||
0603d891 | 4907 | ret = wl1271_acx_tid_cfg(wl, wlvif, wl1271_tx_get_queue(queue), |
c1b193eb EP |
4908 | CONF_CHANNEL_TYPE_EDCF, |
4909 | wl1271_tx_get_queue(queue), | |
4910 | ps_scheme, CONF_ACK_POLICY_LEGACY, | |
4911 | 0, 0); | |
c82c1dde KV |
4912 | |
4913 | out_sleep: | |
c1b193eb | 4914 | wl1271_ps_elp_sleep(wl); |
c6999d83 KV |
4915 | |
4916 | out: | |
4917 | mutex_unlock(&wl->mutex); | |
4918 | ||
4919 | return ret; | |
4920 | } | |
4921 | ||
37a41b4a EP |
4922 | static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw, |
4923 | struct ieee80211_vif *vif) | |
bbbb538e JO |
4924 | { |
4925 | ||
4926 | struct wl1271 *wl = hw->priv; | |
9c531149 | 4927 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
bbbb538e JO |
4928 | u64 mactime = ULLONG_MAX; |
4929 | int ret; | |
4930 | ||
4931 | wl1271_debug(DEBUG_MAC80211, "mac80211 get tsf"); | |
4932 | ||
4933 | mutex_lock(&wl->mutex); | |
4934 | ||
4cc53383 | 4935 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
f8d9802f JO |
4936 | goto out; |
4937 | ||
a620865e | 4938 | ret = wl1271_ps_elp_wakeup(wl); |
bbbb538e JO |
4939 | if (ret < 0) |
4940 | goto out; | |
4941 | ||
9c531149 | 4942 | ret = wl12xx_acx_tsf_info(wl, wlvif, &mactime); |
bbbb538e JO |
4943 | if (ret < 0) |
4944 | goto out_sleep; | |
4945 | ||
4946 | out_sleep: | |
4947 | wl1271_ps_elp_sleep(wl); | |
4948 | ||
4949 | out: | |
4950 | mutex_unlock(&wl->mutex); | |
4951 | return mactime; | |
4952 | } | |
f5fc0f86 | 4953 | |
ece550d0 JL |
4954 | static int wl1271_op_get_survey(struct ieee80211_hw *hw, int idx, |
4955 | struct survey_info *survey) | |
4956 | { | |
ece550d0 | 4957 | struct ieee80211_conf *conf = &hw->conf; |
b739a42c | 4958 | |
ece550d0 JL |
4959 | if (idx != 0) |
4960 | return -ENOENT; | |
b739a42c | 4961 | |
675a0b04 | 4962 | survey->channel = conf->chandef.chan; |
add779a0 | 4963 | survey->filled = 0; |
ece550d0 JL |
4964 | return 0; |
4965 | } | |
4966 | ||
409622ec | 4967 | static int wl1271_allocate_sta(struct wl1271 *wl, |
c7ffb902 EP |
4968 | struct wl12xx_vif *wlvif, |
4969 | struct ieee80211_sta *sta) | |
f84f7d78 AN |
4970 | { |
4971 | struct wl1271_station *wl_sta; | |
c7ffb902 | 4972 | int ret; |
f84f7d78 | 4973 | |
c7ffb902 | 4974 | |
32f0fd5b | 4975 | if (wl->active_sta_count >= wl->max_ap_stations) { |
f84f7d78 AN |
4976 | wl1271_warning("could not allocate HLID - too much stations"); |
4977 | return -EBUSY; | |
4978 | } | |
4979 | ||
4980 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
c7ffb902 EP |
4981 | ret = wl12xx_allocate_link(wl, wlvif, &wl_sta->hlid); |
4982 | if (ret < 0) { | |
4983 | wl1271_warning("could not allocate HLID - too many links"); | |
4984 | return -EBUSY; | |
4985 | } | |
4986 | ||
0e752df6 AN |
4987 | /* use the previous security seq, if this is a recovery/resume */ |
4988 | wl->links[wl_sta->hlid].total_freed_pkts = wl_sta->total_freed_pkts; | |
4989 | ||
c7ffb902 | 4990 | set_bit(wl_sta->hlid, wlvif->ap.sta_hlid_map); |
b622d992 | 4991 | memcpy(wl->links[wl_sta->hlid].addr, sta->addr, ETH_ALEN); |
da03209e | 4992 | wl->active_sta_count++; |
f84f7d78 AN |
4993 | return 0; |
4994 | } | |
4995 | ||
c7ffb902 | 4996 | void wl1271_free_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid) |
f84f7d78 | 4997 | { |
c7ffb902 | 4998 | if (!test_bit(hlid, wlvif->ap.sta_hlid_map)) |
f1acea9a AN |
4999 | return; |
5000 | ||
c7ffb902 | 5001 | clear_bit(hlid, wlvif->ap.sta_hlid_map); |
b622d992 | 5002 | __clear_bit(hlid, &wl->ap_ps_map); |
5e74b3aa | 5003 | __clear_bit(hlid, &wl->ap_fw_ps_map); |
0e752df6 AN |
5004 | |
5005 | /* | |
5006 | * save the last used PN in the private part of iee80211_sta, | |
5007 | * in case of recovery/suspend | |
5008 | */ | |
50d26aa3 | 5009 | wlcore_save_freed_pkts_addr(wl, wlvif, hlid, wl->links[hlid].addr); |
0e752df6 | 5010 | |
c7ffb902 | 5011 | wl12xx_free_link(wl, wlvif, &hlid); |
da03209e | 5012 | wl->active_sta_count--; |
55df5afb AN |
5013 | |
5014 | /* | |
5015 | * rearm the tx watchdog when the last STA is freed - give the FW a | |
5016 | * chance to return STA-buffered packets before complaining. | |
5017 | */ | |
5018 | if (wl->active_sta_count == 0) | |
5019 | wl12xx_rearm_tx_watchdog_locked(wl); | |
f84f7d78 AN |
5020 | } |
5021 | ||
2d6cf2b5 EP |
5022 | static int wl12xx_sta_add(struct wl1271 *wl, |
5023 | struct wl12xx_vif *wlvif, | |
5024 | struct ieee80211_sta *sta) | |
f84f7d78 | 5025 | { |
c7ffb902 | 5026 | struct wl1271_station *wl_sta; |
f84f7d78 AN |
5027 | int ret = 0; |
5028 | u8 hlid; | |
5029 | ||
f84f7d78 AN |
5030 | wl1271_debug(DEBUG_MAC80211, "mac80211 add sta %d", (int)sta->aid); |
5031 | ||
c7ffb902 | 5032 | ret = wl1271_allocate_sta(wl, wlvif, sta); |
f84f7d78 | 5033 | if (ret < 0) |
2d6cf2b5 | 5034 | return ret; |
f84f7d78 | 5035 | |
c7ffb902 EP |
5036 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
5037 | hlid = wl_sta->hlid; | |
5038 | ||
1b92f15e | 5039 | ret = wl12xx_cmd_add_peer(wl, wlvif, sta, hlid); |
f84f7d78 | 5040 | if (ret < 0) |
2d6cf2b5 | 5041 | wl1271_free_sta(wl, wlvif, hlid); |
f84f7d78 | 5042 | |
2d6cf2b5 EP |
5043 | return ret; |
5044 | } | |
b67476ef | 5045 | |
2d6cf2b5 EP |
5046 | static int wl12xx_sta_remove(struct wl1271 *wl, |
5047 | struct wl12xx_vif *wlvif, | |
5048 | struct ieee80211_sta *sta) | |
5049 | { | |
5050 | struct wl1271_station *wl_sta; | |
5051 | int ret = 0, id; | |
0b932ab9 | 5052 | |
2d6cf2b5 EP |
5053 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove sta %d", (int)sta->aid); |
5054 | ||
5055 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
5056 | id = wl_sta->hlid; | |
5057 | if (WARN_ON(!test_bit(id, wlvif->ap.sta_hlid_map))) | |
5058 | return -EINVAL; | |
f84f7d78 | 5059 | |
028e7243 | 5060 | ret = wl12xx_cmd_remove_peer(wl, wlvif, wl_sta->hlid); |
409622ec | 5061 | if (ret < 0) |
2d6cf2b5 | 5062 | return ret; |
409622ec | 5063 | |
2d6cf2b5 | 5064 | wl1271_free_sta(wl, wlvif, wl_sta->hlid); |
f84f7d78 AN |
5065 | return ret; |
5066 | } | |
5067 | ||
426001a6 EP |
5068 | static void wlcore_roc_if_possible(struct wl1271 *wl, |
5069 | struct wl12xx_vif *wlvif) | |
5070 | { | |
5071 | if (find_first_bit(wl->roc_map, | |
5072 | WL12XX_MAX_ROLES) < WL12XX_MAX_ROLES) | |
5073 | return; | |
5074 | ||
5075 | if (WARN_ON(wlvif->role_id == WL12XX_INVALID_ROLE_ID)) | |
5076 | return; | |
5077 | ||
5078 | wl12xx_roc(wl, wlvif, wlvif->role_id, wlvif->band, wlvif->channel); | |
5079 | } | |
5080 | ||
187e52cc AN |
5081 | /* |
5082 | * when wl_sta is NULL, we treat this call as if coming from a | |
5083 | * pending auth reply. | |
5084 | * wl->mutex must be taken and the FW must be awake when the call | |
5085 | * takes place. | |
5086 | */ | |
5087 | void wlcore_update_inconn_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif, | |
5088 | struct wl1271_station *wl_sta, bool in_conn) | |
426001a6 | 5089 | { |
187e52cc AN |
5090 | if (in_conn) { |
5091 | if (WARN_ON(wl_sta && wl_sta->in_connection)) | |
426001a6 | 5092 | return; |
187e52cc AN |
5093 | |
5094 | if (!wlvif->ap_pending_auth_reply && | |
5095 | !wlvif->inconn_count) | |
426001a6 | 5096 | wlcore_roc_if_possible(wl, wlvif); |
187e52cc AN |
5097 | |
5098 | if (wl_sta) { | |
5099 | wl_sta->in_connection = true; | |
5100 | wlvif->inconn_count++; | |
5101 | } else { | |
5102 | wlvif->ap_pending_auth_reply = true; | |
5103 | } | |
426001a6 | 5104 | } else { |
187e52cc | 5105 | if (wl_sta && !wl_sta->in_connection) |
426001a6 EP |
5106 | return; |
5107 | ||
187e52cc | 5108 | if (WARN_ON(!wl_sta && !wlvif->ap_pending_auth_reply)) |
426001a6 EP |
5109 | return; |
5110 | ||
187e52cc AN |
5111 | if (WARN_ON(wl_sta && !wlvif->inconn_count)) |
5112 | return; | |
5113 | ||
5114 | if (wl_sta) { | |
5115 | wl_sta->in_connection = false; | |
5116 | wlvif->inconn_count--; | |
5117 | } else { | |
5118 | wlvif->ap_pending_auth_reply = false; | |
5119 | } | |
5120 | ||
5121 | if (!wlvif->inconn_count && !wlvif->ap_pending_auth_reply && | |
5122 | test_bit(wlvif->role_id, wl->roc_map)) | |
5123 | wl12xx_croc(wl, wlvif->role_id); | |
426001a6 EP |
5124 | } |
5125 | } | |
5126 | ||
2d6cf2b5 EP |
5127 | static int wl12xx_update_sta_state(struct wl1271 *wl, |
5128 | struct wl12xx_vif *wlvif, | |
5129 | struct ieee80211_sta *sta, | |
5130 | enum ieee80211_sta_state old_state, | |
5131 | enum ieee80211_sta_state new_state) | |
f84f7d78 | 5132 | { |
f84f7d78 | 5133 | struct wl1271_station *wl_sta; |
2d6cf2b5 EP |
5134 | bool is_ap = wlvif->bss_type == BSS_TYPE_AP_BSS; |
5135 | bool is_sta = wlvif->bss_type == BSS_TYPE_STA_BSS; | |
5136 | int ret; | |
f84f7d78 | 5137 | |
2d6cf2b5 | 5138 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
f84f7d78 | 5139 | |
2d6cf2b5 EP |
5140 | /* Add station (AP mode) */ |
5141 | if (is_ap && | |
5142 | old_state == IEEE80211_STA_NOTEXIST && | |
29936266 EP |
5143 | new_state == IEEE80211_STA_NONE) { |
5144 | ret = wl12xx_sta_add(wl, wlvif, sta); | |
5145 | if (ret) | |
5146 | return ret; | |
426001a6 EP |
5147 | |
5148 | wlcore_update_inconn_sta(wl, wlvif, wl_sta, true); | |
29936266 | 5149 | } |
2d6cf2b5 EP |
5150 | |
5151 | /* Remove station (AP mode) */ | |
5152 | if (is_ap && | |
5153 | old_state == IEEE80211_STA_NONE && | |
5154 | new_state == IEEE80211_STA_NOTEXIST) { | |
5155 | /* must not fail */ | |
5156 | wl12xx_sta_remove(wl, wlvif, sta); | |
426001a6 EP |
5157 | |
5158 | wlcore_update_inconn_sta(wl, wlvif, wl_sta, false); | |
2d6cf2b5 | 5159 | } |
f84f7d78 | 5160 | |
2d6cf2b5 EP |
5161 | /* Authorize station (AP mode) */ |
5162 | if (is_ap && | |
5163 | new_state == IEEE80211_STA_AUTHORIZED) { | |
2fec3d27 | 5164 | ret = wl12xx_cmd_set_peer_state(wl, wlvif, wl_sta->hlid); |
2d6cf2b5 EP |
5165 | if (ret < 0) |
5166 | return ret; | |
f84f7d78 | 5167 | |
2d6cf2b5 | 5168 | ret = wl1271_acx_set_ht_capabilities(wl, &sta->ht_cap, true, |
2fec3d27 | 5169 | wl_sta->hlid); |
29936266 EP |
5170 | if (ret) |
5171 | return ret; | |
426001a6 EP |
5172 | |
5173 | wlcore_update_inconn_sta(wl, wlvif, wl_sta, false); | |
2d6cf2b5 | 5174 | } |
f84f7d78 | 5175 | |
9fd6f21b EP |
5176 | /* Authorize station */ |
5177 | if (is_sta && | |
5178 | new_state == IEEE80211_STA_AUTHORIZED) { | |
5179 | set_bit(WLVIF_FLAG_STA_AUTHORIZED, &wlvif->flags); | |
29936266 EP |
5180 | ret = wl12xx_set_authorized(wl, wlvif); |
5181 | if (ret) | |
5182 | return ret; | |
9fd6f21b EP |
5183 | } |
5184 | ||
5185 | if (is_sta && | |
5186 | old_state == IEEE80211_STA_AUTHORIZED && | |
5187 | new_state == IEEE80211_STA_ASSOC) { | |
5188 | clear_bit(WLVIF_FLAG_STA_AUTHORIZED, &wlvif->flags); | |
3230f35e | 5189 | clear_bit(WLVIF_FLAG_STA_STATE_SENT, &wlvif->flags); |
9fd6f21b EP |
5190 | } |
5191 | ||
50d26aa3 EP |
5192 | /* save seq number on disassoc (suspend) */ |
5193 | if (is_sta && | |
5194 | old_state == IEEE80211_STA_ASSOC && | |
5195 | new_state == IEEE80211_STA_AUTH) { | |
5196 | wlcore_save_freed_pkts(wl, wlvif, wlvif->sta.hlid, sta); | |
5197 | wlvif->total_freed_pkts = 0; | |
5198 | } | |
5199 | ||
5200 | /* restore seq number on assoc (resume) */ | |
5201 | if (is_sta && | |
5202 | old_state == IEEE80211_STA_AUTH && | |
5203 | new_state == IEEE80211_STA_ASSOC) { | |
5204 | wlvif->total_freed_pkts = wl_sta->total_freed_pkts; | |
5205 | } | |
5206 | ||
29936266 EP |
5207 | /* clear ROCs on failure or authorization */ |
5208 | if (is_sta && | |
5209 | (new_state == IEEE80211_STA_AUTHORIZED || | |
5210 | new_state == IEEE80211_STA_NOTEXIST)) { | |
5211 | if (test_bit(wlvif->role_id, wl->roc_map)) | |
5212 | wl12xx_croc(wl, wlvif->role_id); | |
9fd6f21b EP |
5213 | } |
5214 | ||
29936266 EP |
5215 | if (is_sta && |
5216 | old_state == IEEE80211_STA_NOTEXIST && | |
5217 | new_state == IEEE80211_STA_NONE) { | |
5218 | if (find_first_bit(wl->roc_map, | |
5219 | WL12XX_MAX_ROLES) >= WL12XX_MAX_ROLES) { | |
5220 | WARN_ON(wlvif->role_id == WL12XX_INVALID_ROLE_ID); | |
5221 | wl12xx_roc(wl, wlvif, wlvif->role_id, | |
5222 | wlvif->band, wlvif->channel); | |
5223 | } | |
5224 | } | |
2d6cf2b5 EP |
5225 | return 0; |
5226 | } | |
5227 | ||
5228 | static int wl12xx_op_sta_state(struct ieee80211_hw *hw, | |
5229 | struct ieee80211_vif *vif, | |
5230 | struct ieee80211_sta *sta, | |
5231 | enum ieee80211_sta_state old_state, | |
5232 | enum ieee80211_sta_state new_state) | |
5233 | { | |
5234 | struct wl1271 *wl = hw->priv; | |
5235 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
5236 | int ret; | |
5237 | ||
5238 | wl1271_debug(DEBUG_MAC80211, "mac80211 sta %d state=%d->%d", | |
5239 | sta->aid, old_state, new_state); | |
5240 | ||
5241 | mutex_lock(&wl->mutex); | |
5242 | ||
4cc53383 | 5243 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
2d6cf2b5 | 5244 | ret = -EBUSY; |
f84f7d78 | 5245 | goto out; |
2d6cf2b5 | 5246 | } |
f84f7d78 | 5247 | |
a620865e | 5248 | ret = wl1271_ps_elp_wakeup(wl); |
f84f7d78 AN |
5249 | if (ret < 0) |
5250 | goto out; | |
5251 | ||
2d6cf2b5 | 5252 | ret = wl12xx_update_sta_state(wl, wlvif, sta, old_state, new_state); |
f84f7d78 | 5253 | |
f84f7d78 | 5254 | wl1271_ps_elp_sleep(wl); |
f84f7d78 AN |
5255 | out: |
5256 | mutex_unlock(&wl->mutex); | |
2d6cf2b5 EP |
5257 | if (new_state < old_state) |
5258 | return 0; | |
f84f7d78 AN |
5259 | return ret; |
5260 | } | |
5261 | ||
4623ec7d LC |
5262 | static int wl1271_op_ampdu_action(struct ieee80211_hw *hw, |
5263 | struct ieee80211_vif *vif, | |
5264 | enum ieee80211_ampdu_mlme_action action, | |
5265 | struct ieee80211_sta *sta, u16 tid, u16 *ssn, | |
e3abc8ff | 5266 | u8 buf_size, bool amsdu) |
bbba3e68 LS |
5267 | { |
5268 | struct wl1271 *wl = hw->priv; | |
536129c8 | 5269 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
bbba3e68 | 5270 | int ret; |
0f9c8250 AN |
5271 | u8 hlid, *ba_bitmap; |
5272 | ||
5273 | wl1271_debug(DEBUG_MAC80211, "mac80211 ampdu action %d tid %d", action, | |
5274 | tid); | |
5275 | ||
5276 | /* sanity check - the fields in FW are only 8bits wide */ | |
5277 | if (WARN_ON(tid > 0xFF)) | |
5278 | return -ENOTSUPP; | |
bbba3e68 LS |
5279 | |
5280 | mutex_lock(&wl->mutex); | |
5281 | ||
4cc53383 | 5282 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
bbba3e68 LS |
5283 | ret = -EAGAIN; |
5284 | goto out; | |
5285 | } | |
5286 | ||
536129c8 | 5287 | if (wlvif->bss_type == BSS_TYPE_STA_BSS) { |
154da67c | 5288 | hlid = wlvif->sta.hlid; |
536129c8 | 5289 | } else if (wlvif->bss_type == BSS_TYPE_AP_BSS) { |
0f9c8250 AN |
5290 | struct wl1271_station *wl_sta; |
5291 | ||
5292 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
5293 | hlid = wl_sta->hlid; | |
0f9c8250 AN |
5294 | } else { |
5295 | ret = -EINVAL; | |
5296 | goto out; | |
5297 | } | |
5298 | ||
9ae5d8d4 AN |
5299 | ba_bitmap = &wl->links[hlid].ba_bitmap; |
5300 | ||
a620865e | 5301 | ret = wl1271_ps_elp_wakeup(wl); |
bbba3e68 LS |
5302 | if (ret < 0) |
5303 | goto out; | |
5304 | ||
70559a06 SL |
5305 | wl1271_debug(DEBUG_MAC80211, "mac80211 ampdu: Rx tid %d action %d", |
5306 | tid, action); | |
5307 | ||
bbba3e68 LS |
5308 | switch (action) { |
5309 | case IEEE80211_AMPDU_RX_START: | |
d0802abd | 5310 | if (!wlvif->ba_support || !wlvif->ba_allowed) { |
bbba3e68 | 5311 | ret = -ENOTSUPP; |
0f9c8250 AN |
5312 | break; |
5313 | } | |
5314 | ||
d21553f8 | 5315 | if (wl->ba_rx_session_count >= wl->ba_rx_session_count_max) { |
0f9c8250 AN |
5316 | ret = -EBUSY; |
5317 | wl1271_error("exceeded max RX BA sessions"); | |
5318 | break; | |
5319 | } | |
5320 | ||
5321 | if (*ba_bitmap & BIT(tid)) { | |
5322 | ret = -EINVAL; | |
5323 | wl1271_error("cannot enable RX BA session on active " | |
5324 | "tid: %d", tid); | |
5325 | break; | |
5326 | } | |
5327 | ||
5328 | ret = wl12xx_acx_set_ba_receiver_session(wl, tid, *ssn, true, | |
5329 | hlid); | |
5330 | if (!ret) { | |
5331 | *ba_bitmap |= BIT(tid); | |
5332 | wl->ba_rx_session_count++; | |
bbba3e68 LS |
5333 | } |
5334 | break; | |
5335 | ||
5336 | case IEEE80211_AMPDU_RX_STOP: | |
0f9c8250 | 5337 | if (!(*ba_bitmap & BIT(tid))) { |
c954910b AN |
5338 | /* |
5339 | * this happens on reconfig - so only output a debug | |
5340 | * message for now, and don't fail the function. | |
5341 | */ | |
5342 | wl1271_debug(DEBUG_MAC80211, | |
5343 | "no active RX BA session on tid: %d", | |
0f9c8250 | 5344 | tid); |
c954910b | 5345 | ret = 0; |
0f9c8250 AN |
5346 | break; |
5347 | } | |
5348 | ||
5349 | ret = wl12xx_acx_set_ba_receiver_session(wl, tid, 0, false, | |
5350 | hlid); | |
5351 | if (!ret) { | |
5352 | *ba_bitmap &= ~BIT(tid); | |
5353 | wl->ba_rx_session_count--; | |
5354 | } | |
bbba3e68 LS |
5355 | break; |
5356 | ||
5357 | /* | |
5358 | * The BA initiator session management in FW independently. | |
5359 | * Falling break here on purpose for all TX APDU commands. | |
5360 | */ | |
5361 | case IEEE80211_AMPDU_TX_START: | |
18b559d5 JB |
5362 | case IEEE80211_AMPDU_TX_STOP_CONT: |
5363 | case IEEE80211_AMPDU_TX_STOP_FLUSH: | |
5364 | case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: | |
bbba3e68 LS |
5365 | case IEEE80211_AMPDU_TX_OPERATIONAL: |
5366 | ret = -EINVAL; | |
5367 | break; | |
5368 | ||
5369 | default: | |
5370 | wl1271_error("Incorrect ampdu action id=%x\n", action); | |
5371 | ret = -EINVAL; | |
5372 | } | |
5373 | ||
5374 | wl1271_ps_elp_sleep(wl); | |
5375 | ||
5376 | out: | |
5377 | mutex_unlock(&wl->mutex); | |
5378 | ||
5379 | return ret; | |
5380 | } | |
5381 | ||
af7fbb28 EP |
5382 | static int wl12xx_set_bitrate_mask(struct ieee80211_hw *hw, |
5383 | struct ieee80211_vif *vif, | |
5384 | const struct cfg80211_bitrate_mask *mask) | |
5385 | { | |
83587505 | 5386 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
af7fbb28 | 5387 | struct wl1271 *wl = hw->priv; |
d6fa37c9 | 5388 | int i, ret = 0; |
af7fbb28 EP |
5389 | |
5390 | wl1271_debug(DEBUG_MAC80211, "mac80211 set_bitrate_mask 0x%x 0x%x", | |
5391 | mask->control[NL80211_BAND_2GHZ].legacy, | |
5392 | mask->control[NL80211_BAND_5GHZ].legacy); | |
5393 | ||
5394 | mutex_lock(&wl->mutex); | |
5395 | ||
091185d6 | 5396 | for (i = 0; i < WLCORE_NUM_BANDS; i++) |
83587505 | 5397 | wlvif->bitrate_masks[i] = |
af7fbb28 EP |
5398 | wl1271_tx_enabled_rates_get(wl, |
5399 | mask->control[i].legacy, | |
5400 | i); | |
d6fa37c9 | 5401 | |
4cc53383 | 5402 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
d6fa37c9 EP |
5403 | goto out; |
5404 | ||
5405 | if (wlvif->bss_type == BSS_TYPE_STA_BSS && | |
5406 | !test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) { | |
5407 | ||
5408 | ret = wl1271_ps_elp_wakeup(wl); | |
5409 | if (ret < 0) | |
5410 | goto out; | |
5411 | ||
5412 | wl1271_set_band_rate(wl, wlvif); | |
5413 | wlvif->basic_rate = | |
5414 | wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); | |
5415 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); | |
5416 | ||
5417 | wl1271_ps_elp_sleep(wl); | |
5418 | } | |
5419 | out: | |
af7fbb28 EP |
5420 | mutex_unlock(&wl->mutex); |
5421 | ||
d6fa37c9 | 5422 | return ret; |
af7fbb28 EP |
5423 | } |
5424 | ||
6d158ff3 | 5425 | static void wl12xx_op_channel_switch(struct ieee80211_hw *hw, |
0f791eb4 | 5426 | struct ieee80211_vif *vif, |
6d158ff3 SL |
5427 | struct ieee80211_channel_switch *ch_switch) |
5428 | { | |
5429 | struct wl1271 *wl = hw->priv; | |
0f791eb4 | 5430 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
6d158ff3 SL |
5431 | int ret; |
5432 | ||
5433 | wl1271_debug(DEBUG_MAC80211, "mac80211 channel switch"); | |
5434 | ||
b9239b66 AN |
5435 | wl1271_tx_flush(wl); |
5436 | ||
6d158ff3 SL |
5437 | mutex_lock(&wl->mutex); |
5438 | ||
4cc53383 | 5439 | if (unlikely(wl->state == WLCORE_STATE_OFF)) { |
0f791eb4 | 5440 | if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
6e8cd331 | 5441 | ieee80211_chswitch_done(vif, false); |
6e8cd331 | 5442 | goto out; |
4cc53383 IY |
5443 | } else if (unlikely(wl->state != WLCORE_STATE_ON)) { |
5444 | goto out; | |
6d158ff3 SL |
5445 | } |
5446 | ||
5447 | ret = wl1271_ps_elp_wakeup(wl); | |
5448 | if (ret < 0) | |
5449 | goto out; | |
5450 | ||
52630c5d | 5451 | /* TODO: change mac80211 to pass vif as param */ |
6d158ff3 | 5452 | |
0f791eb4 LC |
5453 | if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) { |
5454 | unsigned long delay_usec; | |
e6562869 | 5455 | |
fcab1890 | 5456 | ret = wl->ops->channel_switch(wl, wlvif, ch_switch); |
c50a2825 EP |
5457 | if (ret) |
5458 | goto out_sleep; | |
6d158ff3 | 5459 | |
c50a2825 EP |
5460 | set_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags); |
5461 | ||
5462 | /* indicate failure 5 seconds after channel switch time */ | |
5463 | delay_usec = ieee80211_tu_to_usec(wlvif->beacon_int) * | |
0f791eb4 | 5464 | ch_switch->count; |
c50a2825 | 5465 | ieee80211_queue_delayed_work(hw, &wlvif->channel_switch_work, |
0f791eb4 LC |
5466 | usecs_to_jiffies(delay_usec) + |
5467 | msecs_to_jiffies(5000)); | |
52630c5d | 5468 | } |
6d158ff3 | 5469 | |
c50a2825 | 5470 | out_sleep: |
6d158ff3 SL |
5471 | wl1271_ps_elp_sleep(wl); |
5472 | ||
5473 | out: | |
5474 | mutex_unlock(&wl->mutex); | |
5475 | } | |
5476 | ||
534719f4 EP |
5477 | static const void *wlcore_get_beacon_ie(struct wl1271 *wl, |
5478 | struct wl12xx_vif *wlvif, | |
5479 | u8 eid) | |
5480 | { | |
5481 | int ieoffset = offsetof(struct ieee80211_mgmt, u.beacon.variable); | |
5482 | struct sk_buff *beacon = | |
5483 | ieee80211_beacon_get(wl->hw, wl12xx_wlvif_to_vif(wlvif)); | |
5484 | ||
5485 | if (!beacon) | |
5486 | return NULL; | |
5487 | ||
5488 | return cfg80211_find_ie(eid, | |
5489 | beacon->data + ieoffset, | |
5490 | beacon->len - ieoffset); | |
5491 | } | |
5492 | ||
5493 | static int wlcore_get_csa_count(struct wl1271 *wl, struct wl12xx_vif *wlvif, | |
5494 | u8 *csa_count) | |
5495 | { | |
5496 | const u8 *ie; | |
5497 | const struct ieee80211_channel_sw_ie *ie_csa; | |
5498 | ||
5499 | ie = wlcore_get_beacon_ie(wl, wlvif, WLAN_EID_CHANNEL_SWITCH); | |
5500 | if (!ie) | |
5501 | return -EINVAL; | |
5502 | ||
5503 | ie_csa = (struct ieee80211_channel_sw_ie *)&ie[2]; | |
5504 | *csa_count = ie_csa->count; | |
5505 | ||
5506 | return 0; | |
5507 | } | |
5508 | ||
5509 | static void wlcore_op_channel_switch_beacon(struct ieee80211_hw *hw, | |
5510 | struct ieee80211_vif *vif, | |
5511 | struct cfg80211_chan_def *chandef) | |
5512 | { | |
5513 | struct wl1271 *wl = hw->priv; | |
5514 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
5515 | struct ieee80211_channel_switch ch_switch = { | |
5516 | .block_tx = true, | |
5517 | .chandef = *chandef, | |
5518 | }; | |
5519 | int ret; | |
5520 | ||
5521 | wl1271_debug(DEBUG_MAC80211, | |
5522 | "mac80211 channel switch beacon (role %d)", | |
5523 | wlvif->role_id); | |
5524 | ||
5525 | ret = wlcore_get_csa_count(wl, wlvif, &ch_switch.count); | |
5526 | if (ret < 0) { | |
5527 | wl1271_error("error getting beacon (for CSA counter)"); | |
5528 | return; | |
5529 | } | |
5530 | ||
5531 | mutex_lock(&wl->mutex); | |
5532 | ||
5533 | if (unlikely(wl->state != WLCORE_STATE_ON)) { | |
5534 | ret = -EBUSY; | |
5535 | goto out; | |
5536 | } | |
5537 | ||
5538 | ret = wl1271_ps_elp_wakeup(wl); | |
5539 | if (ret < 0) | |
5540 | goto out; | |
5541 | ||
5542 | ret = wl->ops->channel_switch(wl, wlvif, &ch_switch); | |
5543 | if (ret) | |
5544 | goto out_sleep; | |
5545 | ||
5546 | set_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags); | |
5547 | ||
5548 | out_sleep: | |
5549 | wl1271_ps_elp_sleep(wl); | |
5550 | out: | |
5551 | mutex_unlock(&wl->mutex); | |
5552 | } | |
5553 | ||
77be2c54 EG |
5554 | static void wlcore_op_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
5555 | u32 queues, bool drop) | |
d8ae5a25 EP |
5556 | { |
5557 | struct wl1271 *wl = hw->priv; | |
5558 | ||
5559 | wl1271_tx_flush(wl); | |
5560 | } | |
5561 | ||
dabf37db EP |
5562 | static int wlcore_op_remain_on_channel(struct ieee80211_hw *hw, |
5563 | struct ieee80211_vif *vif, | |
5564 | struct ieee80211_channel *chan, | |
d339d5ca IP |
5565 | int duration, |
5566 | enum ieee80211_roc_type type) | |
dabf37db EP |
5567 | { |
5568 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
5569 | struct wl1271 *wl = hw->priv; | |
5570 | int channel, ret = 0; | |
5571 | ||
5572 | channel = ieee80211_frequency_to_channel(chan->center_freq); | |
5573 | ||
5574 | wl1271_debug(DEBUG_MAC80211, "mac80211 roc %d (%d)", | |
5575 | channel, wlvif->role_id); | |
5576 | ||
5577 | mutex_lock(&wl->mutex); | |
5578 | ||
5579 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
5580 | goto out; | |
5581 | ||
5582 | /* return EBUSY if we can't ROC right now */ | |
5583 | if (WARN_ON(wl->roc_vif || | |
5584 | find_first_bit(wl->roc_map, | |
5585 | WL12XX_MAX_ROLES) < WL12XX_MAX_ROLES)) { | |
5586 | ret = -EBUSY; | |
5587 | goto out; | |
5588 | } | |
5589 | ||
5590 | ret = wl1271_ps_elp_wakeup(wl); | |
5591 | if (ret < 0) | |
5592 | goto out; | |
5593 | ||
5594 | ret = wl12xx_start_dev(wl, wlvif, chan->band, channel); | |
5595 | if (ret < 0) | |
5596 | goto out_sleep; | |
5597 | ||
5598 | wl->roc_vif = vif; | |
5599 | ieee80211_queue_delayed_work(hw, &wl->roc_complete_work, | |
5600 | msecs_to_jiffies(duration)); | |
5601 | out_sleep: | |
5602 | wl1271_ps_elp_sleep(wl); | |
5603 | out: | |
5604 | mutex_unlock(&wl->mutex); | |
5605 | return ret; | |
5606 | } | |
5607 | ||
5608 | static int __wlcore_roc_completed(struct wl1271 *wl) | |
5609 | { | |
5610 | struct wl12xx_vif *wlvif; | |
5611 | int ret; | |
5612 | ||
5613 | /* already completed */ | |
5614 | if (unlikely(!wl->roc_vif)) | |
5615 | return 0; | |
5616 | ||
5617 | wlvif = wl12xx_vif_to_data(wl->roc_vif); | |
5618 | ||
5619 | if (!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) | |
5620 | return -EBUSY; | |
5621 | ||
5622 | ret = wl12xx_stop_dev(wl, wlvif); | |
5623 | if (ret < 0) | |
5624 | return ret; | |
5625 | ||
5626 | wl->roc_vif = NULL; | |
5627 | ||
5628 | return 0; | |
5629 | } | |
5630 | ||
5631 | static int wlcore_roc_completed(struct wl1271 *wl) | |
5632 | { | |
5633 | int ret; | |
5634 | ||
5635 | wl1271_debug(DEBUG_MAC80211, "roc complete"); | |
5636 | ||
5637 | mutex_lock(&wl->mutex); | |
5638 | ||
5639 | if (unlikely(wl->state != WLCORE_STATE_ON)) { | |
5640 | ret = -EBUSY; | |
5641 | goto out; | |
5642 | } | |
5643 | ||
5644 | ret = wl1271_ps_elp_wakeup(wl); | |
5645 | if (ret < 0) | |
5646 | goto out; | |
5647 | ||
5648 | ret = __wlcore_roc_completed(wl); | |
5649 | ||
5650 | wl1271_ps_elp_sleep(wl); | |
5651 | out: | |
5652 | mutex_unlock(&wl->mutex); | |
5653 | ||
5654 | return ret; | |
5655 | } | |
5656 | ||
5657 | static void wlcore_roc_complete_work(struct work_struct *work) | |
5658 | { | |
5659 | struct delayed_work *dwork; | |
5660 | struct wl1271 *wl; | |
5661 | int ret; | |
5662 | ||
5663 | dwork = container_of(work, struct delayed_work, work); | |
5664 | wl = container_of(dwork, struct wl1271, roc_complete_work); | |
5665 | ||
5666 | ret = wlcore_roc_completed(wl); | |
5667 | if (!ret) | |
5668 | ieee80211_remain_on_channel_expired(wl->hw); | |
5669 | } | |
5670 | ||
5671 | static int wlcore_op_cancel_remain_on_channel(struct ieee80211_hw *hw) | |
5672 | { | |
5673 | struct wl1271 *wl = hw->priv; | |
5674 | ||
5675 | wl1271_debug(DEBUG_MAC80211, "mac80211 croc"); | |
5676 | ||
5677 | /* TODO: per-vif */ | |
5678 | wl1271_tx_flush(wl); | |
5679 | ||
5680 | /* | |
5681 | * we can't just flush_work here, because it might deadlock | |
5682 | * (as we might get called from the same workqueue) | |
5683 | */ | |
5684 | cancel_delayed_work_sync(&wl->roc_complete_work); | |
5685 | wlcore_roc_completed(wl); | |
5686 | ||
5687 | return 0; | |
5688 | } | |
5689 | ||
5f9b6777 AN |
5690 | static void wlcore_op_sta_rc_update(struct ieee80211_hw *hw, |
5691 | struct ieee80211_vif *vif, | |
5692 | struct ieee80211_sta *sta, | |
5693 | u32 changed) | |
5694 | { | |
5695 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
5f9b6777 | 5696 | |
7d3b29e5 EP |
5697 | wl1271_debug(DEBUG_MAC80211, "mac80211 sta_rc_update"); |
5698 | ||
5699 | if (!(changed & IEEE80211_RC_BW_CHANGED)) | |
5700 | return; | |
5701 | ||
5702 | /* this callback is atomic, so schedule a new work */ | |
5703 | wlvif->rc_update_bw = sta->bandwidth; | |
5704 | ieee80211_queue_work(hw, &wlvif->rc_update_work); | |
5f9b6777 AN |
5705 | } |
5706 | ||
2b9a7e1b JB |
5707 | static void wlcore_op_sta_statistics(struct ieee80211_hw *hw, |
5708 | struct ieee80211_vif *vif, | |
5709 | struct ieee80211_sta *sta, | |
5710 | struct station_info *sinfo) | |
0a9ffac0 NZ |
5711 | { |
5712 | struct wl1271 *wl = hw->priv; | |
5713 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
2b9a7e1b JB |
5714 | s8 rssi_dbm; |
5715 | int ret; | |
0a9ffac0 NZ |
5716 | |
5717 | wl1271_debug(DEBUG_MAC80211, "mac80211 get_rssi"); | |
5718 | ||
5719 | mutex_lock(&wl->mutex); | |
5720 | ||
5721 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
5722 | goto out; | |
5723 | ||
5724 | ret = wl1271_ps_elp_wakeup(wl); | |
5725 | if (ret < 0) | |
5726 | goto out_sleep; | |
5727 | ||
2b9a7e1b | 5728 | ret = wlcore_acx_average_rssi(wl, wlvif, &rssi_dbm); |
0a9ffac0 NZ |
5729 | if (ret < 0) |
5730 | goto out_sleep; | |
5731 | ||
319090bf | 5732 | sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); |
2b9a7e1b JB |
5733 | sinfo->signal = rssi_dbm; |
5734 | ||
0a9ffac0 NZ |
5735 | out_sleep: |
5736 | wl1271_ps_elp_sleep(wl); | |
5737 | ||
5738 | out: | |
5739 | mutex_unlock(&wl->mutex); | |
0a9ffac0 NZ |
5740 | } |
5741 | ||
33437893 AN |
5742 | static bool wl1271_tx_frames_pending(struct ieee80211_hw *hw) |
5743 | { | |
5744 | struct wl1271 *wl = hw->priv; | |
5745 | bool ret = false; | |
5746 | ||
5747 | mutex_lock(&wl->mutex); | |
5748 | ||
4cc53383 | 5749 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
33437893 AN |
5750 | goto out; |
5751 | ||
5752 | /* packets are considered pending if in the TX queue or the FW */ | |
f1a46384 | 5753 | ret = (wl1271_tx_total_queue_count(wl) > 0) || (wl->tx_frames_cnt > 0); |
33437893 AN |
5754 | out: |
5755 | mutex_unlock(&wl->mutex); | |
5756 | ||
5757 | return ret; | |
5758 | } | |
5759 | ||
f5fc0f86 LC |
5760 | /* can't be const, mac80211 writes to this */ |
5761 | static struct ieee80211_rate wl1271_rates[] = { | |
5762 | { .bitrate = 10, | |
2b60100b JO |
5763 | .hw_value = CONF_HW_BIT_RATE_1MBPS, |
5764 | .hw_value_short = CONF_HW_BIT_RATE_1MBPS, }, | |
f5fc0f86 | 5765 | { .bitrate = 20, |
2b60100b JO |
5766 | .hw_value = CONF_HW_BIT_RATE_2MBPS, |
5767 | .hw_value_short = CONF_HW_BIT_RATE_2MBPS, | |
f5fc0f86 LC |
5768 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
5769 | { .bitrate = 55, | |
2b60100b JO |
5770 | .hw_value = CONF_HW_BIT_RATE_5_5MBPS, |
5771 | .hw_value_short = CONF_HW_BIT_RATE_5_5MBPS, | |
f5fc0f86 LC |
5772 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
5773 | { .bitrate = 110, | |
2b60100b JO |
5774 | .hw_value = CONF_HW_BIT_RATE_11MBPS, |
5775 | .hw_value_short = CONF_HW_BIT_RATE_11MBPS, | |
f5fc0f86 LC |
5776 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
5777 | { .bitrate = 60, | |
2b60100b JO |
5778 | .hw_value = CONF_HW_BIT_RATE_6MBPS, |
5779 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
f5fc0f86 | 5780 | { .bitrate = 90, |
2b60100b JO |
5781 | .hw_value = CONF_HW_BIT_RATE_9MBPS, |
5782 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
f5fc0f86 | 5783 | { .bitrate = 120, |
2b60100b JO |
5784 | .hw_value = CONF_HW_BIT_RATE_12MBPS, |
5785 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
f5fc0f86 | 5786 | { .bitrate = 180, |
2b60100b JO |
5787 | .hw_value = CONF_HW_BIT_RATE_18MBPS, |
5788 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
f5fc0f86 | 5789 | { .bitrate = 240, |
2b60100b JO |
5790 | .hw_value = CONF_HW_BIT_RATE_24MBPS, |
5791 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
f5fc0f86 | 5792 | { .bitrate = 360, |
2b60100b JO |
5793 | .hw_value = CONF_HW_BIT_RATE_36MBPS, |
5794 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
f5fc0f86 | 5795 | { .bitrate = 480, |
2b60100b JO |
5796 | .hw_value = CONF_HW_BIT_RATE_48MBPS, |
5797 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
f5fc0f86 | 5798 | { .bitrate = 540, |
2b60100b JO |
5799 | .hw_value = CONF_HW_BIT_RATE_54MBPS, |
5800 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
f5fc0f86 LC |
5801 | }; |
5802 | ||
fa97f46b | 5803 | /* can't be const, mac80211 writes to this */ |
f5fc0f86 | 5804 | static struct ieee80211_channel wl1271_channels[] = { |
583f8164 VG |
5805 | { .hw_value = 1, .center_freq = 2412, .max_power = WLCORE_MAX_TXPWR }, |
5806 | { .hw_value = 2, .center_freq = 2417, .max_power = WLCORE_MAX_TXPWR }, | |
5807 | { .hw_value = 3, .center_freq = 2422, .max_power = WLCORE_MAX_TXPWR }, | |
5808 | { .hw_value = 4, .center_freq = 2427, .max_power = WLCORE_MAX_TXPWR }, | |
5809 | { .hw_value = 5, .center_freq = 2432, .max_power = WLCORE_MAX_TXPWR }, | |
5810 | { .hw_value = 6, .center_freq = 2437, .max_power = WLCORE_MAX_TXPWR }, | |
5811 | { .hw_value = 7, .center_freq = 2442, .max_power = WLCORE_MAX_TXPWR }, | |
5812 | { .hw_value = 8, .center_freq = 2447, .max_power = WLCORE_MAX_TXPWR }, | |
5813 | { .hw_value = 9, .center_freq = 2452, .max_power = WLCORE_MAX_TXPWR }, | |
5814 | { .hw_value = 10, .center_freq = 2457, .max_power = WLCORE_MAX_TXPWR }, | |
5815 | { .hw_value = 11, .center_freq = 2462, .max_power = WLCORE_MAX_TXPWR }, | |
5816 | { .hw_value = 12, .center_freq = 2467, .max_power = WLCORE_MAX_TXPWR }, | |
5817 | { .hw_value = 13, .center_freq = 2472, .max_power = WLCORE_MAX_TXPWR }, | |
5818 | { .hw_value = 14, .center_freq = 2484, .max_power = WLCORE_MAX_TXPWR }, | |
f5fc0f86 LC |
5819 | }; |
5820 | ||
5821 | /* can't be const, mac80211 writes to this */ | |
5822 | static struct ieee80211_supported_band wl1271_band_2ghz = { | |
5823 | .channels = wl1271_channels, | |
5824 | .n_channels = ARRAY_SIZE(wl1271_channels), | |
5825 | .bitrates = wl1271_rates, | |
5826 | .n_bitrates = ARRAY_SIZE(wl1271_rates), | |
5827 | }; | |
5828 | ||
1ebec3d7 TP |
5829 | /* 5 GHz data rates for WL1273 */ |
5830 | static struct ieee80211_rate wl1271_rates_5ghz[] = { | |
5831 | { .bitrate = 60, | |
5832 | .hw_value = CONF_HW_BIT_RATE_6MBPS, | |
5833 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
5834 | { .bitrate = 90, | |
5835 | .hw_value = CONF_HW_BIT_RATE_9MBPS, | |
5836 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
5837 | { .bitrate = 120, | |
5838 | .hw_value = CONF_HW_BIT_RATE_12MBPS, | |
5839 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
5840 | { .bitrate = 180, | |
5841 | .hw_value = CONF_HW_BIT_RATE_18MBPS, | |
5842 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
5843 | { .bitrate = 240, | |
5844 | .hw_value = CONF_HW_BIT_RATE_24MBPS, | |
5845 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
5846 | { .bitrate = 360, | |
5847 | .hw_value = CONF_HW_BIT_RATE_36MBPS, | |
5848 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
5849 | { .bitrate = 480, | |
5850 | .hw_value = CONF_HW_BIT_RATE_48MBPS, | |
5851 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
5852 | { .bitrate = 540, | |
5853 | .hw_value = CONF_HW_BIT_RATE_54MBPS, | |
5854 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
5855 | }; | |
5856 | ||
fa97f46b | 5857 | /* 5 GHz band channels for WL1273 */ |
1ebec3d7 | 5858 | static struct ieee80211_channel wl1271_channels_5ghz[] = { |
583f8164 | 5859 | { .hw_value = 8, .center_freq = 5040, .max_power = WLCORE_MAX_TXPWR }, |
583f8164 VG |
5860 | { .hw_value = 12, .center_freq = 5060, .max_power = WLCORE_MAX_TXPWR }, |
5861 | { .hw_value = 16, .center_freq = 5080, .max_power = WLCORE_MAX_TXPWR }, | |
5862 | { .hw_value = 34, .center_freq = 5170, .max_power = WLCORE_MAX_TXPWR }, | |
5863 | { .hw_value = 36, .center_freq = 5180, .max_power = WLCORE_MAX_TXPWR }, | |
5864 | { .hw_value = 38, .center_freq = 5190, .max_power = WLCORE_MAX_TXPWR }, | |
5865 | { .hw_value = 40, .center_freq = 5200, .max_power = WLCORE_MAX_TXPWR }, | |
5866 | { .hw_value = 42, .center_freq = 5210, .max_power = WLCORE_MAX_TXPWR }, | |
5867 | { .hw_value = 44, .center_freq = 5220, .max_power = WLCORE_MAX_TXPWR }, | |
5868 | { .hw_value = 46, .center_freq = 5230, .max_power = WLCORE_MAX_TXPWR }, | |
5869 | { .hw_value = 48, .center_freq = 5240, .max_power = WLCORE_MAX_TXPWR }, | |
5870 | { .hw_value = 52, .center_freq = 5260, .max_power = WLCORE_MAX_TXPWR }, | |
5871 | { .hw_value = 56, .center_freq = 5280, .max_power = WLCORE_MAX_TXPWR }, | |
5872 | { .hw_value = 60, .center_freq = 5300, .max_power = WLCORE_MAX_TXPWR }, | |
5873 | { .hw_value = 64, .center_freq = 5320, .max_power = WLCORE_MAX_TXPWR }, | |
5874 | { .hw_value = 100, .center_freq = 5500, .max_power = WLCORE_MAX_TXPWR }, | |
5875 | { .hw_value = 104, .center_freq = 5520, .max_power = WLCORE_MAX_TXPWR }, | |
5876 | { .hw_value = 108, .center_freq = 5540, .max_power = WLCORE_MAX_TXPWR }, | |
5877 | { .hw_value = 112, .center_freq = 5560, .max_power = WLCORE_MAX_TXPWR }, | |
5878 | { .hw_value = 116, .center_freq = 5580, .max_power = WLCORE_MAX_TXPWR }, | |
5879 | { .hw_value = 120, .center_freq = 5600, .max_power = WLCORE_MAX_TXPWR }, | |
5880 | { .hw_value = 124, .center_freq = 5620, .max_power = WLCORE_MAX_TXPWR }, | |
5881 | { .hw_value = 128, .center_freq = 5640, .max_power = WLCORE_MAX_TXPWR }, | |
5882 | { .hw_value = 132, .center_freq = 5660, .max_power = WLCORE_MAX_TXPWR }, | |
5883 | { .hw_value = 136, .center_freq = 5680, .max_power = WLCORE_MAX_TXPWR }, | |
5884 | { .hw_value = 140, .center_freq = 5700, .max_power = WLCORE_MAX_TXPWR }, | |
5885 | { .hw_value = 149, .center_freq = 5745, .max_power = WLCORE_MAX_TXPWR }, | |
5886 | { .hw_value = 153, .center_freq = 5765, .max_power = WLCORE_MAX_TXPWR }, | |
5887 | { .hw_value = 157, .center_freq = 5785, .max_power = WLCORE_MAX_TXPWR }, | |
5888 | { .hw_value = 161, .center_freq = 5805, .max_power = WLCORE_MAX_TXPWR }, | |
5889 | { .hw_value = 165, .center_freq = 5825, .max_power = WLCORE_MAX_TXPWR }, | |
1ebec3d7 TP |
5890 | }; |
5891 | ||
1ebec3d7 TP |
5892 | static struct ieee80211_supported_band wl1271_band_5ghz = { |
5893 | .channels = wl1271_channels_5ghz, | |
5894 | .n_channels = ARRAY_SIZE(wl1271_channels_5ghz), | |
5895 | .bitrates = wl1271_rates_5ghz, | |
5896 | .n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz), | |
f876bb9a JO |
5897 | }; |
5898 | ||
f5fc0f86 LC |
5899 | static const struct ieee80211_ops wl1271_ops = { |
5900 | .start = wl1271_op_start, | |
c24ec83b | 5901 | .stop = wlcore_op_stop, |
f5fc0f86 LC |
5902 | .add_interface = wl1271_op_add_interface, |
5903 | .remove_interface = wl1271_op_remove_interface, | |
c0fad1b7 | 5904 | .change_interface = wl12xx_op_change_interface, |
f634a4e7 | 5905 | #ifdef CONFIG_PM |
402e4861 EP |
5906 | .suspend = wl1271_op_suspend, |
5907 | .resume = wl1271_op_resume, | |
f634a4e7 | 5908 | #endif |
f5fc0f86 | 5909 | .config = wl1271_op_config, |
c87dec9f | 5910 | .prepare_multicast = wl1271_op_prepare_multicast, |
f5fc0f86 LC |
5911 | .configure_filter = wl1271_op_configure_filter, |
5912 | .tx = wl1271_op_tx, | |
a1c597f2 | 5913 | .set_key = wlcore_op_set_key, |
f5fc0f86 | 5914 | .hw_scan = wl1271_op_hw_scan, |
73ecce31 | 5915 | .cancel_hw_scan = wl1271_op_cancel_hw_scan, |
33c2c06c LC |
5916 | .sched_scan_start = wl1271_op_sched_scan_start, |
5917 | .sched_scan_stop = wl1271_op_sched_scan_stop, | |
f5fc0f86 | 5918 | .bss_info_changed = wl1271_op_bss_info_changed, |
68d069c4 | 5919 | .set_frag_threshold = wl1271_op_set_frag_threshold, |
f5fc0f86 | 5920 | .set_rts_threshold = wl1271_op_set_rts_threshold, |
c6999d83 | 5921 | .conf_tx = wl1271_op_conf_tx, |
bbbb538e | 5922 | .get_tsf = wl1271_op_get_tsf, |
ece550d0 | 5923 | .get_survey = wl1271_op_get_survey, |
2d6cf2b5 | 5924 | .sta_state = wl12xx_op_sta_state, |
bbba3e68 | 5925 | .ampdu_action = wl1271_op_ampdu_action, |
33437893 | 5926 | .tx_frames_pending = wl1271_tx_frames_pending, |
af7fbb28 | 5927 | .set_bitrate_mask = wl12xx_set_bitrate_mask, |
ba1e6eb9 | 5928 | .set_default_unicast_key = wl1271_op_set_default_key_idx, |
6d158ff3 | 5929 | .channel_switch = wl12xx_op_channel_switch, |
534719f4 | 5930 | .channel_switch_beacon = wlcore_op_channel_switch_beacon, |
d8ae5a25 | 5931 | .flush = wlcore_op_flush, |
dabf37db EP |
5932 | .remain_on_channel = wlcore_op_remain_on_channel, |
5933 | .cancel_remain_on_channel = wlcore_op_cancel_remain_on_channel, | |
b6970ee5 EP |
5934 | .add_chanctx = wlcore_op_add_chanctx, |
5935 | .remove_chanctx = wlcore_op_remove_chanctx, | |
5936 | .change_chanctx = wlcore_op_change_chanctx, | |
5937 | .assign_vif_chanctx = wlcore_op_assign_vif_chanctx, | |
5938 | .unassign_vif_chanctx = wlcore_op_unassign_vif_chanctx, | |
750e9d15 | 5939 | .switch_vif_chanctx = wlcore_op_switch_vif_chanctx, |
5f9b6777 | 5940 | .sta_rc_update = wlcore_op_sta_rc_update, |
2b9a7e1b | 5941 | .sta_statistics = wlcore_op_sta_statistics, |
c8c90873 | 5942 | CFG80211_TESTMODE_CMD(wl1271_tm_cmd) |
f5fc0f86 LC |
5943 | }; |
5944 | ||
f876bb9a | 5945 | |
43a8bc5a | 5946 | u8 wlcore_rate_to_idx(struct wl1271 *wl, u8 rate, enum ieee80211_band band) |
f876bb9a JO |
5947 | { |
5948 | u8 idx; | |
5949 | ||
43a8bc5a | 5950 | BUG_ON(band >= 2); |
f876bb9a | 5951 | |
43a8bc5a | 5952 | if (unlikely(rate >= wl->hw_tx_rate_tbl_size)) { |
f876bb9a JO |
5953 | wl1271_error("Illegal RX rate from HW: %d", rate); |
5954 | return 0; | |
5955 | } | |
5956 | ||
43a8bc5a | 5957 | idx = wl->band_rate_to_idx[band][rate]; |
f876bb9a JO |
5958 | if (unlikely(idx == CONF_HW_RXTX_RATE_UNSUPPORTED)) { |
5959 | wl1271_error("Unsupported RX rate from HW: %d", rate); | |
5960 | return 0; | |
5961 | } | |
5962 | ||
5963 | return idx; | |
5964 | } | |
5965 | ||
f4afbed9 | 5966 | static void wl12xx_derive_mac_addresses(struct wl1271 *wl, u32 oui, u32 nic) |
5e037e74 LC |
5967 | { |
5968 | int i; | |
5969 | ||
f4afbed9 AN |
5970 | wl1271_debug(DEBUG_PROBE, "base address: oui %06x nic %06x", |
5971 | oui, nic); | |
5e037e74 | 5972 | |
f4afbed9 | 5973 | if (nic + WLCORE_NUM_MAC_ADDRESSES - wl->num_mac_addr > 0xffffff) |
5e037e74 LC |
5974 | wl1271_warning("NIC part of the MAC address wraps around!"); |
5975 | ||
f4afbed9 | 5976 | for (i = 0; i < wl->num_mac_addr; i++) { |
5e037e74 LC |
5977 | wl->addresses[i].addr[0] = (u8)(oui >> 16); |
5978 | wl->addresses[i].addr[1] = (u8)(oui >> 8); | |
5979 | wl->addresses[i].addr[2] = (u8) oui; | |
5980 | wl->addresses[i].addr[3] = (u8)(nic >> 16); | |
5981 | wl->addresses[i].addr[4] = (u8)(nic >> 8); | |
5982 | wl->addresses[i].addr[5] = (u8) nic; | |
5983 | nic++; | |
5984 | } | |
5985 | ||
f4afbed9 AN |
5986 | /* we may be one address short at the most */ |
5987 | WARN_ON(wl->num_mac_addr + 1 < WLCORE_NUM_MAC_ADDRESSES); | |
5988 | ||
5989 | /* | |
5990 | * turn on the LAA bit in the first address and use it as | |
5991 | * the last address. | |
5992 | */ | |
5993 | if (wl->num_mac_addr < WLCORE_NUM_MAC_ADDRESSES) { | |
5994 | int idx = WLCORE_NUM_MAC_ADDRESSES - 1; | |
5995 | memcpy(&wl->addresses[idx], &wl->addresses[0], | |
5996 | sizeof(wl->addresses[0])); | |
5997 | /* LAA bit */ | |
71a301bb | 5998 | wl->addresses[idx].addr[0] |= BIT(1); |
f4afbed9 AN |
5999 | } |
6000 | ||
6001 | wl->hw->wiphy->n_addresses = WLCORE_NUM_MAC_ADDRESSES; | |
5e037e74 LC |
6002 | wl->hw->wiphy->addresses = wl->addresses; |
6003 | } | |
6004 | ||
30c5dbd1 LC |
6005 | static int wl12xx_get_hw_info(struct wl1271 *wl) |
6006 | { | |
6007 | int ret; | |
30c5dbd1 | 6008 | |
6134323f IY |
6009 | ret = wlcore_read_reg(wl, REG_CHIP_ID_B, &wl->chip.id); |
6010 | if (ret < 0) | |
6011 | goto out; | |
30c5dbd1 | 6012 | |
00782136 LC |
6013 | wl->fuse_oui_addr = 0; |
6014 | wl->fuse_nic_addr = 0; | |
30c5dbd1 | 6015 | |
6134323f IY |
6016 | ret = wl->ops->get_pg_ver(wl, &wl->hw_pg_ver); |
6017 | if (ret < 0) | |
6018 | goto out; | |
30c5dbd1 | 6019 | |
30d9b4a5 | 6020 | if (wl->ops->get_mac) |
6134323f | 6021 | ret = wl->ops->get_mac(wl); |
5e037e74 | 6022 | |
30c5dbd1 LC |
6023 | out: |
6024 | return ret; | |
6025 | } | |
6026 | ||
4b32a2c9 | 6027 | static int wl1271_register_hw(struct wl1271 *wl) |
f5fc0f86 LC |
6028 | { |
6029 | int ret; | |
5e037e74 | 6030 | u32 oui_addr = 0, nic_addr = 0; |
f5fc0f86 LC |
6031 | |
6032 | if (wl->mac80211_registered) | |
6033 | return 0; | |
6034 | ||
6f8d6b20 | 6035 | if (wl->nvs_len >= 12) { |
bc765bf3 SL |
6036 | /* NOTE: The wl->nvs->nvs element must be first, in |
6037 | * order to simplify the casting, we assume it is at | |
6038 | * the beginning of the wl->nvs structure. | |
6039 | */ | |
6040 | u8 *nvs_ptr = (u8 *)wl->nvs; | |
31d26ec6 | 6041 | |
5e037e74 LC |
6042 | oui_addr = |
6043 | (nvs_ptr[11] << 16) + (nvs_ptr[10] << 8) + nvs_ptr[6]; | |
6044 | nic_addr = | |
6045 | (nvs_ptr[5] << 16) + (nvs_ptr[4] << 8) + nvs_ptr[3]; | |
6046 | } | |
6047 | ||
6048 | /* if the MAC address is zeroed in the NVS derive from fuse */ | |
6049 | if (oui_addr == 0 && nic_addr == 0) { | |
6050 | oui_addr = wl->fuse_oui_addr; | |
6051 | /* fuse has the BD_ADDR, the WLAN addresses are the next two */ | |
6052 | nic_addr = wl->fuse_nic_addr + 1; | |
31d26ec6 AN |
6053 | } |
6054 | ||
f4afbed9 | 6055 | wl12xx_derive_mac_addresses(wl, oui_addr, nic_addr); |
f5fc0f86 LC |
6056 | |
6057 | ret = ieee80211_register_hw(wl->hw); | |
6058 | if (ret < 0) { | |
6059 | wl1271_error("unable to register mac80211 hw: %d", ret); | |
30c5dbd1 | 6060 | goto out; |
f5fc0f86 LC |
6061 | } |
6062 | ||
6063 | wl->mac80211_registered = true; | |
6064 | ||
d60080ae EP |
6065 | wl1271_debugfs_init(wl); |
6066 | ||
f5fc0f86 LC |
6067 | wl1271_notice("loaded"); |
6068 | ||
30c5dbd1 LC |
6069 | out: |
6070 | return ret; | |
f5fc0f86 LC |
6071 | } |
6072 | ||
4b32a2c9 | 6073 | static void wl1271_unregister_hw(struct wl1271 *wl) |
3b56dd6a | 6074 | { |
3fcdab70 | 6075 | if (wl->plt) |
f3df1331 | 6076 | wl1271_plt_stop(wl); |
4ae3fa87 | 6077 | |
3b56dd6a TP |
6078 | ieee80211_unregister_hw(wl->hw); |
6079 | wl->mac80211_registered = false; | |
6080 | ||
6081 | } | |
3b56dd6a | 6082 | |
4b32a2c9 | 6083 | static int wl1271_init_ieee80211(struct wl1271 *wl) |
f5fc0f86 | 6084 | { |
583f8164 | 6085 | int i; |
7a55724e JO |
6086 | static const u32 cipher_suites[] = { |
6087 | WLAN_CIPHER_SUITE_WEP40, | |
6088 | WLAN_CIPHER_SUITE_WEP104, | |
6089 | WLAN_CIPHER_SUITE_TKIP, | |
6090 | WLAN_CIPHER_SUITE_CCMP, | |
6091 | WL1271_CIPHER_SUITE_GEM, | |
6092 | }; | |
6093 | ||
2c0133a4 AN |
6094 | /* The tx descriptor buffer */ |
6095 | wl->hw->extra_tx_headroom = sizeof(struct wl1271_tx_hw_descr); | |
6096 | ||
6097 | if (wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) | |
6098 | wl->hw->extra_tx_headroom += WL1271_EXTRA_SPACE_TKIP; | |
f5fc0f86 LC |
6099 | |
6100 | /* unit us */ | |
6101 | /* FIXME: find a proper value */ | |
50c500ad | 6102 | wl->hw->max_listen_interval = wl->conf.conn.max_listen_interval; |
f5fc0f86 | 6103 | |
30686bf7 JB |
6104 | ieee80211_hw_set(wl->hw, SUPPORT_FAST_XMIT); |
6105 | ieee80211_hw_set(wl->hw, CHANCTX_STA_CSA); | |
6106 | ieee80211_hw_set(wl->hw, QUEUE_CONTROL); | |
6107 | ieee80211_hw_set(wl->hw, TX_AMPDU_SETUP_IN_HW); | |
6108 | ieee80211_hw_set(wl->hw, AMPDU_AGGREGATION); | |
6109 | ieee80211_hw_set(wl->hw, AP_LINK_PS); | |
6110 | ieee80211_hw_set(wl->hw, SPECTRUM_MGMT); | |
6111 | ieee80211_hw_set(wl->hw, REPORTS_TX_ACK_STATUS); | |
6112 | ieee80211_hw_set(wl->hw, CONNECTION_MONITOR); | |
6113 | ieee80211_hw_set(wl->hw, HAS_RATE_CONTROL); | |
6114 | ieee80211_hw_set(wl->hw, SUPPORTS_DYNAMIC_PS); | |
6115 | ieee80211_hw_set(wl->hw, SIGNAL_DBM); | |
6116 | ieee80211_hw_set(wl->hw, SUPPORTS_PS); | |
f5fc0f86 | 6117 | |
7a55724e JO |
6118 | wl->hw->wiphy->cipher_suites = cipher_suites; |
6119 | wl->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); | |
6120 | ||
e0d8bbf0 | 6121 | wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
7845af35 EP |
6122 | BIT(NL80211_IFTYPE_AP) | |
6123 | BIT(NL80211_IFTYPE_P2P_DEVICE) | | |
6124 | BIT(NL80211_IFTYPE_P2P_CLIENT) | | |
6125 | BIT(NL80211_IFTYPE_P2P_GO); | |
f5fc0f86 | 6126 | wl->hw->wiphy->max_scan_ssids = 1; |
221737d2 LC |
6127 | wl->hw->wiphy->max_sched_scan_ssids = 16; |
6128 | wl->hw->wiphy->max_match_sets = 16; | |
ea559b46 GE |
6129 | /* |
6130 | * Maximum length of elements in scanning probe request templates | |
6131 | * should be the maximum length possible for a template, without | |
6132 | * the IEEE80211 header of the template | |
6133 | */ | |
c08e371a | 6134 | wl->hw->wiphy->max_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE - |
ea559b46 | 6135 | sizeof(struct ieee80211_header); |
a8aaaf53 | 6136 | |
c08e371a | 6137 | wl->hw->wiphy->max_sched_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE - |
c9e79a47 LC |
6138 | sizeof(struct ieee80211_header); |
6139 | ||
fbddf587 | 6140 | wl->hw->wiphy->max_remain_on_channel_duration = 30000; |
dabf37db | 6141 | |
81ddbb5c | 6142 | wl->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD | |
1fb90260 | 6143 | WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | |
534719f4 EP |
6144 | WIPHY_FLAG_SUPPORTS_SCHED_SCAN | |
6145 | WIPHY_FLAG_HAS_CHANNEL_SWITCH; | |
1ec23f7f | 6146 | |
4a31c11c LC |
6147 | /* make sure all our channels fit in the scanned_ch bitmask */ |
6148 | BUILD_BUG_ON(ARRAY_SIZE(wl1271_channels) + | |
6149 | ARRAY_SIZE(wl1271_channels_5ghz) > | |
6150 | WL1271_MAX_CHANNELS); | |
583f8164 VG |
6151 | /* |
6152 | * clear channel flags from the previous usage | |
6153 | * and restore max_power & max_antenna_gain values. | |
6154 | */ | |
6155 | for (i = 0; i < ARRAY_SIZE(wl1271_channels); i++) { | |
6156 | wl1271_band_2ghz.channels[i].flags = 0; | |
6157 | wl1271_band_2ghz.channels[i].max_power = WLCORE_MAX_TXPWR; | |
6158 | wl1271_band_2ghz.channels[i].max_antenna_gain = 0; | |
6159 | } | |
6160 | ||
6161 | for (i = 0; i < ARRAY_SIZE(wl1271_channels_5ghz); i++) { | |
6162 | wl1271_band_5ghz.channels[i].flags = 0; | |
6163 | wl1271_band_5ghz.channels[i].max_power = WLCORE_MAX_TXPWR; | |
6164 | wl1271_band_5ghz.channels[i].max_antenna_gain = 0; | |
6165 | } | |
6166 | ||
a8aaaf53 LC |
6167 | /* |
6168 | * We keep local copies of the band structs because we need to | |
6169 | * modify them on a per-device basis. | |
6170 | */ | |
6171 | memcpy(&wl->bands[IEEE80211_BAND_2GHZ], &wl1271_band_2ghz, | |
6172 | sizeof(wl1271_band_2ghz)); | |
bfb92ca1 EP |
6173 | memcpy(&wl->bands[IEEE80211_BAND_2GHZ].ht_cap, |
6174 | &wl->ht_cap[IEEE80211_BAND_2GHZ], | |
6175 | sizeof(*wl->ht_cap)); | |
a8aaaf53 LC |
6176 | memcpy(&wl->bands[IEEE80211_BAND_5GHZ], &wl1271_band_5ghz, |
6177 | sizeof(wl1271_band_5ghz)); | |
bfb92ca1 EP |
6178 | memcpy(&wl->bands[IEEE80211_BAND_5GHZ].ht_cap, |
6179 | &wl->ht_cap[IEEE80211_BAND_5GHZ], | |
6180 | sizeof(*wl->ht_cap)); | |
a8aaaf53 LC |
6181 | |
6182 | wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = | |
6183 | &wl->bands[IEEE80211_BAND_2GHZ]; | |
6184 | wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = | |
6185 | &wl->bands[IEEE80211_BAND_5GHZ]; | |
1ebec3d7 | 6186 | |
1c33db78 AN |
6187 | /* |
6188 | * allow 4 queues per mac address we support + | |
6189 | * 1 cab queue per mac + one global offchannel Tx queue | |
6190 | */ | |
6191 | wl->hw->queues = (NUM_TX_QUEUES + 1) * WLCORE_NUM_MAC_ADDRESSES + 1; | |
6192 | ||
6193 | /* the last queue is the offchannel queue */ | |
6194 | wl->hw->offchannel_tx_hw_queue = wl->hw->queues - 1; | |
31627dc5 | 6195 | wl->hw->max_rates = 1; |
12bd8949 | 6196 | |
b7417d93 JO |
6197 | wl->hw->wiphy->reg_notifier = wl1271_reg_notify; |
6198 | ||
9c1b190b AN |
6199 | /* the FW answers probe-requests in AP-mode */ |
6200 | wl->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; | |
6201 | wl->hw->wiphy->probe_resp_offload = | |
6202 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | | |
6203 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | | |
6204 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; | |
6205 | ||
bcab320b | 6206 | /* allowed interface combinations */ |
abf0b249 EP |
6207 | wl->hw->wiphy->iface_combinations = wl->iface_combinations; |
6208 | wl->hw->wiphy->n_iface_combinations = wl->n_iface_combinations; | |
bcab320b | 6209 | |
d8c5a48d EP |
6210 | /* register vendor commands */ |
6211 | wlcore_set_vendor_commands(wl->hw->wiphy); | |
6212 | ||
a390e85c | 6213 | SET_IEEE80211_DEV(wl->hw, wl->dev); |
f5fc0f86 | 6214 | |
f84f7d78 | 6215 | wl->hw->sta_data_size = sizeof(struct wl1271_station); |
87fbcb0f | 6216 | wl->hw->vif_data_size = sizeof(struct wl12xx_vif); |
f84f7d78 | 6217 | |
ba421f8f | 6218 | wl->hw->max_rx_aggregation_subframes = wl->conf.ht.rx_ba_win_size; |
4c9cfa78 | 6219 | |
f5fc0f86 LC |
6220 | return 0; |
6221 | } | |
6222 | ||
c50a2825 EP |
6223 | struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size, u32 aggr_buf_size, |
6224 | u32 mbox_size) | |
f5fc0f86 | 6225 | { |
f5fc0f86 LC |
6226 | struct ieee80211_hw *hw; |
6227 | struct wl1271 *wl; | |
a8c0ddb5 | 6228 | int i, j, ret; |
1f37cbc9 | 6229 | unsigned int order; |
f5fc0f86 LC |
6230 | |
6231 | hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops); | |
6232 | if (!hw) { | |
6233 | wl1271_error("could not alloc ieee80211_hw"); | |
a1dd8187 | 6234 | ret = -ENOMEM; |
3b56dd6a TP |
6235 | goto err_hw_alloc; |
6236 | } | |
6237 | ||
f5fc0f86 LC |
6238 | wl = hw->priv; |
6239 | memset(wl, 0, sizeof(*wl)); | |
6240 | ||
96e0c683 AN |
6241 | wl->priv = kzalloc(priv_size, GFP_KERNEL); |
6242 | if (!wl->priv) { | |
6243 | wl1271_error("could not alloc wl priv"); | |
6244 | ret = -ENOMEM; | |
6245 | goto err_priv_alloc; | |
6246 | } | |
6247 | ||
87627214 | 6248 | INIT_LIST_HEAD(&wl->wlvif_list); |
01c09162 | 6249 | |
f5fc0f86 | 6250 | wl->hw = hw; |
f5fc0f86 | 6251 | |
da08fdfa EP |
6252 | /* |
6253 | * wl->num_links is not configured yet, so just use WLCORE_MAX_LINKS. | |
6254 | * we don't allocate any additional resource here, so that's fine. | |
6255 | */ | |
a8c0ddb5 | 6256 | for (i = 0; i < NUM_TX_QUEUES; i++) |
da08fdfa | 6257 | for (j = 0; j < WLCORE_MAX_LINKS; j++) |
a8c0ddb5 AN |
6258 | skb_queue_head_init(&wl->links[j].tx_queue[i]); |
6259 | ||
a620865e IY |
6260 | skb_queue_head_init(&wl->deferred_rx_queue); |
6261 | skb_queue_head_init(&wl->deferred_tx_queue); | |
6262 | ||
37b70a81 | 6263 | INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work); |
a620865e | 6264 | INIT_WORK(&wl->netstack_work, wl1271_netstack_work); |
117b38d0 JO |
6265 | INIT_WORK(&wl->tx_work, wl1271_tx_work); |
6266 | INIT_WORK(&wl->recovery_work, wl1271_recovery_work); | |
6267 | INIT_DELAYED_WORK(&wl->scan_complete_work, wl1271_scan_complete_work); | |
dabf37db | 6268 | INIT_DELAYED_WORK(&wl->roc_complete_work, wlcore_roc_complete_work); |
55df5afb | 6269 | INIT_DELAYED_WORK(&wl->tx_watchdog_work, wl12xx_tx_watchdog_work); |
77ddaa10 | 6270 | |
92ef8960 EP |
6271 | wl->freezable_wq = create_freezable_workqueue("wl12xx_wq"); |
6272 | if (!wl->freezable_wq) { | |
6273 | ret = -ENOMEM; | |
6274 | goto err_hw; | |
6275 | } | |
6276 | ||
8f6ac537 | 6277 | wl->channel = 0; |
f5fc0f86 | 6278 | wl->rx_counter = 0; |
f5fc0f86 | 6279 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
8a5a37a6 | 6280 | wl->band = IEEE80211_BAND_2GHZ; |
83d08d3f | 6281 | wl->channel_type = NL80211_CHAN_NO_HT; |
830fb67b | 6282 | wl->flags = 0; |
7fc3a864 | 6283 | wl->sg_enabled = true; |
66340e5b | 6284 | wl->sleep_auth = WL1271_PSM_ILLEGAL; |
c108c905 | 6285 | wl->recovery_count = 0; |
d717fd61 | 6286 | wl->hw_pg_ver = -1; |
b622d992 AN |
6287 | wl->ap_ps_map = 0; |
6288 | wl->ap_fw_ps_map = 0; | |
606ea9fa | 6289 | wl->quirks = 0; |
f4df1bd5 | 6290 | wl->system_hlid = WL12XX_SYSTEM_HLID; |
da03209e | 6291 | wl->active_sta_count = 0; |
9a100968 | 6292 | wl->active_link_count = 0; |
95dac04f IY |
6293 | wl->fwlog_size = 0; |
6294 | init_waitqueue_head(&wl->fwlog_waitq); | |
f5fc0f86 | 6295 | |
f4df1bd5 EP |
6296 | /* The system link is always allocated */ |
6297 | __set_bit(WL12XX_SYSTEM_HLID, wl->links_map); | |
6298 | ||
25eeb9e3 | 6299 | memset(wl->tx_frames_map, 0, sizeof(wl->tx_frames_map)); |
72b0624f | 6300 | for (i = 0; i < wl->num_tx_desc; i++) |
f5fc0f86 LC |
6301 | wl->tx_frames[i] = NULL; |
6302 | ||
6303 | spin_lock_init(&wl->wl_lock); | |
6304 | ||
4cc53383 | 6305 | wl->state = WLCORE_STATE_OFF; |
3fcdab70 | 6306 | wl->fw_type = WL12XX_FW_TYPE_NONE; |
f5fc0f86 | 6307 | mutex_init(&wl->mutex); |
2c38849f | 6308 | mutex_init(&wl->flush_mutex); |
6f8d6b20 | 6309 | init_completion(&wl->nvs_loading_complete); |
f5fc0f86 | 6310 | |
26a309c7 | 6311 | order = get_order(aggr_buf_size); |
1f37cbc9 IY |
6312 | wl->aggr_buf = (u8 *)__get_free_pages(GFP_KERNEL, order); |
6313 | if (!wl->aggr_buf) { | |
6314 | ret = -ENOMEM; | |
92ef8960 | 6315 | goto err_wq; |
1f37cbc9 | 6316 | } |
26a309c7 | 6317 | wl->aggr_buf_size = aggr_buf_size; |
1f37cbc9 | 6318 | |
990f5de7 IY |
6319 | wl->dummy_packet = wl12xx_alloc_dummy_packet(wl); |
6320 | if (!wl->dummy_packet) { | |
6321 | ret = -ENOMEM; | |
6322 | goto err_aggr; | |
6323 | } | |
6324 | ||
95dac04f IY |
6325 | /* Allocate one page for the FW log */ |
6326 | wl->fwlog = (u8 *)get_zeroed_page(GFP_KERNEL); | |
6327 | if (!wl->fwlog) { | |
6328 | ret = -ENOMEM; | |
6329 | goto err_dummy_packet; | |
6330 | } | |
6331 | ||
c50a2825 EP |
6332 | wl->mbox_size = mbox_size; |
6333 | wl->mbox = kmalloc(wl->mbox_size, GFP_KERNEL | GFP_DMA); | |
690142e9 MG |
6334 | if (!wl->mbox) { |
6335 | ret = -ENOMEM; | |
6336 | goto err_fwlog; | |
6337 | } | |
6338 | ||
2e07d028 IY |
6339 | wl->buffer_32 = kmalloc(sizeof(*wl->buffer_32), GFP_KERNEL); |
6340 | if (!wl->buffer_32) { | |
6341 | ret = -ENOMEM; | |
6342 | goto err_mbox; | |
6343 | } | |
6344 | ||
c332a4b8 | 6345 | return hw; |
a1dd8187 | 6346 | |
2e07d028 IY |
6347 | err_mbox: |
6348 | kfree(wl->mbox); | |
6349 | ||
690142e9 MG |
6350 | err_fwlog: |
6351 | free_page((unsigned long)wl->fwlog); | |
6352 | ||
990f5de7 IY |
6353 | err_dummy_packet: |
6354 | dev_kfree_skb(wl->dummy_packet); | |
6355 | ||
1f37cbc9 IY |
6356 | err_aggr: |
6357 | free_pages((unsigned long)wl->aggr_buf, order); | |
6358 | ||
92ef8960 EP |
6359 | err_wq: |
6360 | destroy_workqueue(wl->freezable_wq); | |
6361 | ||
a1dd8187 | 6362 | err_hw: |
3b56dd6a | 6363 | wl1271_debugfs_exit(wl); |
96e0c683 AN |
6364 | kfree(wl->priv); |
6365 | ||
6366 | err_priv_alloc: | |
3b56dd6a TP |
6367 | ieee80211_free_hw(hw); |
6368 | ||
6369 | err_hw_alloc: | |
a1dd8187 | 6370 | |
a1dd8187 | 6371 | return ERR_PTR(ret); |
c332a4b8 | 6372 | } |
ffeb501c | 6373 | EXPORT_SYMBOL_GPL(wlcore_alloc_hw); |
c332a4b8 | 6374 | |
ffeb501c | 6375 | int wlcore_free_hw(struct wl1271 *wl) |
c332a4b8 | 6376 | { |
95dac04f IY |
6377 | /* Unblock any fwlog readers */ |
6378 | mutex_lock(&wl->mutex); | |
6379 | wl->fwlog_size = -1; | |
6380 | wake_up_interruptible_all(&wl->fwlog_waitq); | |
6381 | mutex_unlock(&wl->mutex); | |
6382 | ||
33cab57a | 6383 | wlcore_sysfs_free(wl); |
6f07b72a | 6384 | |
2e07d028 | 6385 | kfree(wl->buffer_32); |
a8e27820 | 6386 | kfree(wl->mbox); |
95dac04f | 6387 | free_page((unsigned long)wl->fwlog); |
990f5de7 | 6388 | dev_kfree_skb(wl->dummy_packet); |
26a309c7 | 6389 | free_pages((unsigned long)wl->aggr_buf, get_order(wl->aggr_buf_size)); |
c332a4b8 TP |
6390 | |
6391 | wl1271_debugfs_exit(wl); | |
6392 | ||
c332a4b8 TP |
6393 | vfree(wl->fw); |
6394 | wl->fw = NULL; | |
3fcdab70 | 6395 | wl->fw_type = WL12XX_FW_TYPE_NONE; |
c332a4b8 TP |
6396 | kfree(wl->nvs); |
6397 | wl->nvs = NULL; | |
6398 | ||
75fb4df7 EP |
6399 | kfree(wl->raw_fw_status); |
6400 | kfree(wl->fw_status); | |
c332a4b8 | 6401 | kfree(wl->tx_res_if); |
92ef8960 | 6402 | destroy_workqueue(wl->freezable_wq); |
c332a4b8 | 6403 | |
96e0c683 | 6404 | kfree(wl->priv); |
c332a4b8 TP |
6405 | ieee80211_free_hw(wl->hw); |
6406 | ||
6407 | return 0; | |
6408 | } | |
ffeb501c | 6409 | EXPORT_SYMBOL_GPL(wlcore_free_hw); |
50b3eb4b | 6410 | |
964dc9e2 JB |
6411 | #ifdef CONFIG_PM |
6412 | static const struct wiphy_wowlan_support wlcore_wowlan_support = { | |
6413 | .flags = WIPHY_WOWLAN_ANY, | |
6414 | .n_patterns = WL1271_MAX_RX_FILTERS, | |
6415 | .pattern_min_len = 1, | |
6416 | .pattern_max_len = WL1271_RX_FILTER_MAX_PATTERN_SIZE, | |
6417 | }; | |
6418 | #endif | |
6419 | ||
f2cede49 AN |
6420 | static irqreturn_t wlcore_hardirq(int irq, void *cookie) |
6421 | { | |
6422 | return IRQ_WAKE_THREAD; | |
6423 | } | |
6424 | ||
6f8d6b20 | 6425 | static void wlcore_nvs_cb(const struct firmware *fw, void *context) |
ce2a217c | 6426 | { |
6f8d6b20 IY |
6427 | struct wl1271 *wl = context; |
6428 | struct platform_device *pdev = wl->pdev; | |
90650625 | 6429 | struct wlcore_platdev_data *pdev_data = dev_get_platdata(&pdev->dev); |
6f921fab LC |
6430 | struct resource *res; |
6431 | ||
ffeb501c | 6432 | int ret; |
f2cede49 | 6433 | irq_handler_t hardirq_fn = NULL; |
a390e85c | 6434 | |
6f8d6b20 IY |
6435 | if (fw) { |
6436 | wl->nvs = kmemdup(fw->data, fw->size, GFP_KERNEL); | |
6437 | if (!wl->nvs) { | |
6438 | wl1271_error("Could not allocate nvs data"); | |
6439 | goto out; | |
6440 | } | |
6441 | wl->nvs_len = fw->size; | |
6442 | } else { | |
6443 | wl1271_debug(DEBUG_BOOT, "Could not get nvs file %s", | |
6444 | WL12XX_NVS_NAME); | |
6445 | wl->nvs = NULL; | |
6446 | wl->nvs_len = 0; | |
a390e85c FB |
6447 | } |
6448 | ||
3992eb2b IY |
6449 | ret = wl->ops->setup(wl); |
6450 | if (ret < 0) | |
6f8d6b20 | 6451 | goto out_free_nvs; |
3992eb2b | 6452 | |
72b0624f AN |
6453 | BUG_ON(wl->num_tx_desc > WLCORE_MAX_TX_DESCRIPTORS); |
6454 | ||
e87288f0 LC |
6455 | /* adjust some runtime configuration parameters */ |
6456 | wlcore_adjust_conf(wl); | |
6457 | ||
6f921fab LC |
6458 | res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); |
6459 | if (!res) { | |
6460 | wl1271_error("Could not get IRQ resource"); | |
6461 | goto out_free_nvs; | |
6462 | } | |
6463 | ||
6464 | wl->irq = res->start; | |
6465 | wl->irq_flags = res->flags & IRQF_TRIGGER_MASK; | |
afb43e6d | 6466 | wl->if_ops = pdev_data->if_ops; |
a390e85c | 6467 | |
6f921fab | 6468 | if (wl->irq_flags & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING)) |
f2cede49 | 6469 | hardirq_fn = wlcore_hardirq; |
6f921fab LC |
6470 | else |
6471 | wl->irq_flags |= IRQF_ONESHOT; | |
a390e85c | 6472 | |
bd763482 ER |
6473 | ret = wl12xx_set_power_on(wl); |
6474 | if (ret < 0) | |
6475 | goto out_free_nvs; | |
6476 | ||
6477 | ret = wl12xx_get_hw_info(wl); | |
6478 | if (ret < 0) { | |
6479 | wl1271_error("couldn't get hw info"); | |
6480 | wl1271_power_off(wl); | |
6481 | goto out_free_nvs; | |
6482 | } | |
6483 | ||
f2cede49 | 6484 | ret = request_threaded_irq(wl->irq, hardirq_fn, wlcore_irq, |
6f921fab | 6485 | wl->irq_flags, pdev->name, wl); |
a390e85c | 6486 | if (ret < 0) { |
bd763482 ER |
6487 | wl1271_error("interrupt configuration failed"); |
6488 | wl1271_power_off(wl); | |
6f8d6b20 | 6489 | goto out_free_nvs; |
a390e85c FB |
6490 | } |
6491 | ||
dfb89c56 | 6492 | #ifdef CONFIG_PM |
a390e85c FB |
6493 | ret = enable_irq_wake(wl->irq); |
6494 | if (!ret) { | |
6495 | wl->irq_wake_enabled = true; | |
6496 | device_init_wakeup(wl->dev, 1); | |
83c3a7d4 | 6497 | if (pdev_data->pwr_in_suspend) |
964dc9e2 | 6498 | wl->hw->wiphy->wowlan = &wlcore_wowlan_support; |
a390e85c | 6499 | } |
dfb89c56 | 6500 | #endif |
a390e85c | 6501 | disable_irq(wl->irq); |
bd763482 | 6502 | wl1271_power_off(wl); |
4afc37a0 LC |
6503 | |
6504 | ret = wl->ops->identify_chip(wl); | |
6505 | if (ret < 0) | |
8b425e62 | 6506 | goto out_irq; |
4afc37a0 | 6507 | |
a390e85c FB |
6508 | ret = wl1271_init_ieee80211(wl); |
6509 | if (ret) | |
6510 | goto out_irq; | |
6511 | ||
6512 | ret = wl1271_register_hw(wl); | |
6513 | if (ret) | |
6514 | goto out_irq; | |
6515 | ||
33cab57a LC |
6516 | ret = wlcore_sysfs_init(wl); |
6517 | if (ret) | |
8b425e62 | 6518 | goto out_unreg; |
f79f890c | 6519 | |
6f8d6b20 | 6520 | wl->initialized = true; |
ffeb501c | 6521 | goto out; |
a390e85c | 6522 | |
8b425e62 LC |
6523 | out_unreg: |
6524 | wl1271_unregister_hw(wl); | |
6525 | ||
a390e85c FB |
6526 | out_irq: |
6527 | free_irq(wl->irq, wl); | |
6528 | ||
6f8d6b20 IY |
6529 | out_free_nvs: |
6530 | kfree(wl->nvs); | |
6531 | ||
a390e85c | 6532 | out: |
6f8d6b20 IY |
6533 | release_firmware(fw); |
6534 | complete_all(&wl->nvs_loading_complete); | |
6535 | } | |
6536 | ||
b74324d1 | 6537 | int wlcore_probe(struct wl1271 *wl, struct platform_device *pdev) |
6f8d6b20 IY |
6538 | { |
6539 | int ret; | |
6540 | ||
6541 | if (!wl->ops || !wl->ptable) | |
6542 | return -EINVAL; | |
6543 | ||
6544 | wl->dev = &pdev->dev; | |
6545 | wl->pdev = pdev; | |
6546 | platform_set_drvdata(pdev, wl); | |
6547 | ||
6548 | ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG, | |
6549 | WL12XX_NVS_NAME, &pdev->dev, GFP_KERNEL, | |
6550 | wl, wlcore_nvs_cb); | |
6551 | if (ret < 0) { | |
6552 | wl1271_error("request_firmware_nowait failed: %d", ret); | |
6553 | complete_all(&wl->nvs_loading_complete); | |
6554 | } | |
6555 | ||
a390e85c | 6556 | return ret; |
ce2a217c | 6557 | } |
b2ba99ff | 6558 | EXPORT_SYMBOL_GPL(wlcore_probe); |
ce2a217c | 6559 | |
b74324d1 | 6560 | int wlcore_remove(struct platform_device *pdev) |
ce2a217c | 6561 | { |
a390e85c FB |
6562 | struct wl1271 *wl = platform_get_drvdata(pdev); |
6563 | ||
6f8d6b20 IY |
6564 | wait_for_completion(&wl->nvs_loading_complete); |
6565 | if (!wl->initialized) | |
6566 | return 0; | |
6567 | ||
a390e85c FB |
6568 | if (wl->irq_wake_enabled) { |
6569 | device_init_wakeup(wl->dev, 0); | |
6570 | disable_irq_wake(wl->irq); | |
6571 | } | |
6572 | wl1271_unregister_hw(wl); | |
6573 | free_irq(wl->irq, wl); | |
ffeb501c | 6574 | wlcore_free_hw(wl); |
a390e85c | 6575 | |
ce2a217c FB |
6576 | return 0; |
6577 | } | |
b2ba99ff | 6578 | EXPORT_SYMBOL_GPL(wlcore_remove); |
ce2a217c | 6579 | |
491bbd6b | 6580 | u32 wl12xx_debug_level = DEBUG_NONE; |
17c1755c | 6581 | EXPORT_SYMBOL_GPL(wl12xx_debug_level); |
491bbd6b | 6582 | module_param_named(debug_level, wl12xx_debug_level, uint, S_IRUSR | S_IWUSR); |
17c1755c EP |
6583 | MODULE_PARM_DESC(debug_level, "wl12xx debugging level"); |
6584 | ||
95dac04f | 6585 | module_param_named(fwlog, fwlog_param, charp, 0); |
2c882fa4 | 6586 | MODULE_PARM_DESC(fwlog, |
95dac04f IY |
6587 | "FW logger options: continuous, ondemand, dbgpins or disable"); |
6588 | ||
93ac8488 IR |
6589 | module_param(fwlog_mem_blocks, int, S_IRUSR | S_IWUSR); |
6590 | MODULE_PARM_DESC(fwlog_mem_blocks, "fwlog mem_blocks"); | |
6591 | ||
7230341f | 6592 | module_param(bug_on_recovery, int, S_IRUSR | S_IWUSR); |
2a5bff09 EP |
6593 | MODULE_PARM_DESC(bug_on_recovery, "BUG() on fw recovery"); |
6594 | ||
7230341f | 6595 | module_param(no_recovery, int, S_IRUSR | S_IWUSR); |
34785be5 AN |
6596 | MODULE_PARM_DESC(no_recovery, "Prevent HW recovery. FW will remain stuck."); |
6597 | ||
50b3eb4b | 6598 | MODULE_LICENSE("GPL"); |
b1a48cab | 6599 | MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>"); |
50b3eb4b | 6600 | MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); |
0635ad45 | 6601 | MODULE_FIRMWARE(WL12XX_NVS_NAME); |