Commit | Line | Data |
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2b27bdcc | 1 | // SPDX-License-Identifier: GPL-2.0-only |
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 | ||
9 | #include <linux/module.h> | |
f5fc0f86 | 10 | #include <linux/firmware.h> |
f5fc0f86 | 11 | #include <linux/etherdevice.h> |
1fba4974 | 12 | #include <linux/vmalloc.h> |
a390e85c | 13 | #include <linux/interrupt.h> |
6f921fab | 14 | #include <linux/irq.h> |
fa2648a3 | 15 | #include <linux/pm_runtime.h> |
3c83dd57 | 16 | #include <linux/pm_wakeirq.h> |
f5fc0f86 | 17 | |
c31be25a | 18 | #include "wlcore.h" |
0f4e3122 | 19 | #include "debug.h" |
f5fc0f86 | 20 | #include "wl12xx_80211.h" |
00d20100 | 21 | #include "io.h" |
00d20100 | 22 | #include "tx.h" |
00d20100 SL |
23 | #include "ps.h" |
24 | #include "init.h" | |
25 | #include "debugfs.h" | |
00d20100 | 26 | #include "testmode.h" |
d8c5a48d | 27 | #include "vendor_cmd.h" |
00d20100 | 28 | #include "scan.h" |
53d67a50 | 29 | #include "hw_ops.h" |
33cab57a | 30 | #include "sysfs.h" |
f5fc0f86 | 31 | |
9ccd9217 | 32 | #define WL1271_BOOT_RETRIES 3 |
fa2648a3 | 33 | #define WL1271_WAKEUP_TIMEOUT 500 |
9ccd9217 | 34 | |
95dac04f | 35 | static char *fwlog_param; |
93ac8488 | 36 | static int fwlog_mem_blocks = -1; |
7230341f YS |
37 | static int bug_on_recovery = -1; |
38 | static int no_recovery = -1; | |
95dac04f | 39 | |
7dece1c8 | 40 | static void __wl1271_op_remove_interface(struct wl1271 *wl, |
536129c8 | 41 | struct ieee80211_vif *vif, |
7dece1c8 | 42 | bool reset_tx_queues); |
c24ec83b | 43 | static void wlcore_op_stop_locked(struct wl1271 *wl); |
170d0e67 | 44 | static void wl1271_free_ap_keys(struct wl1271 *wl, struct wl12xx_vif *wlvif); |
52b0e7a6 | 45 | |
8f6ac537 | 46 | static int wl12xx_set_authorized(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
ef4b29e9 EP |
47 | { |
48 | int ret; | |
0603d891 | 49 | |
9fd6f21b EP |
50 | if (WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS)) |
51 | return -EINVAL; | |
52 | ||
53 | if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) | |
ef4b29e9 EP |
54 | return 0; |
55 | ||
8181aecc | 56 | if (test_and_set_bit(WLVIF_FLAG_STA_STATE_SENT, &wlvif->flags)) |
ef4b29e9 EP |
57 | return 0; |
58 | ||
d50529c0 | 59 | ret = wl12xx_cmd_set_peer_state(wl, wlvif, wlvif->sta.hlid); |
ef4b29e9 EP |
60 | if (ret < 0) |
61 | return ret; | |
62 | ||
63 | wl1271_info("Association completed."); | |
64 | return 0; | |
65 | } | |
c2c192ac | 66 | |
0c0280bd LR |
67 | static void wl1271_reg_notify(struct wiphy *wiphy, |
68 | struct regulatory_request *request) | |
573c67cf | 69 | { |
6b70e7eb VG |
70 | struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); |
71 | struct wl1271 *wl = hw->priv; | |
b7417d93 | 72 | |
1cd91b2c GM |
73 | /* copy the current dfs region */ |
74 | if (request) | |
75 | wl->dfs_region = request->dfs_region; | |
76 | ||
75592be5 | 77 | wlcore_regdomain_config(wl); |
b7417d93 JO |
78 | } |
79 | ||
9eb599e9 EP |
80 | static int wl1271_set_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
81 | bool enable) | |
77ddaa10 EP |
82 | { |
83 | int ret = 0; | |
84 | ||
85 | /* we should hold wl->mutex */ | |
9eb599e9 | 86 | ret = wl1271_acx_ps_rx_streaming(wl, wlvif, enable); |
77ddaa10 EP |
87 | if (ret < 0) |
88 | goto out; | |
89 | ||
90 | if (enable) | |
0744bdb6 | 91 | set_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags); |
77ddaa10 | 92 | else |
0744bdb6 | 93 | clear_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags); |
77ddaa10 EP |
94 | out: |
95 | return ret; | |
96 | } | |
97 | ||
98 | /* | |
99 | * this function is being called when the rx_streaming interval | |
100 | * has beed changed or rx_streaming should be disabled | |
101 | */ | |
9eb599e9 | 102 | int wl1271_recalc_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
77ddaa10 EP |
103 | { |
104 | int ret = 0; | |
105 | int period = wl->conf.rx_streaming.interval; | |
106 | ||
107 | /* don't reconfigure if rx_streaming is disabled */ | |
0744bdb6 | 108 | if (!test_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags)) |
77ddaa10 EP |
109 | goto out; |
110 | ||
111 | /* reconfigure/disable according to new streaming_period */ | |
112 | if (period && | |
ba8447f6 | 113 | test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) && |
77ddaa10 EP |
114 | (wl->conf.rx_streaming.always || |
115 | test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) | |
9eb599e9 | 116 | ret = wl1271_set_rx_streaming(wl, wlvif, true); |
77ddaa10 | 117 | else { |
9eb599e9 | 118 | ret = wl1271_set_rx_streaming(wl, wlvif, false); |
77ddaa10 | 119 | /* don't cancel_work_sync since we might deadlock */ |
9eb599e9 | 120 | del_timer_sync(&wlvif->rx_streaming_timer); |
77ddaa10 EP |
121 | } |
122 | out: | |
123 | return ret; | |
124 | } | |
125 | ||
126 | static void wl1271_rx_streaming_enable_work(struct work_struct *work) | |
127 | { | |
128 | int ret; | |
9eb599e9 EP |
129 | struct wl12xx_vif *wlvif = container_of(work, struct wl12xx_vif, |
130 | rx_streaming_enable_work); | |
131 | struct wl1271 *wl = wlvif->wl; | |
77ddaa10 EP |
132 | |
133 | mutex_lock(&wl->mutex); | |
134 | ||
0744bdb6 | 135 | if (test_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags) || |
ba8447f6 | 136 | !test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) || |
77ddaa10 EP |
137 | (!wl->conf.rx_streaming.always && |
138 | !test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) | |
139 | goto out; | |
140 | ||
141 | if (!wl->conf.rx_streaming.interval) | |
142 | goto out; | |
143 | ||
ab589ac2 MC |
144 | ret = pm_runtime_resume_and_get(wl->dev); |
145 | if (ret < 0) | |
77ddaa10 EP |
146 | goto out; |
147 | ||
9eb599e9 | 148 | ret = wl1271_set_rx_streaming(wl, wlvif, true); |
77ddaa10 EP |
149 | if (ret < 0) |
150 | goto out_sleep; | |
151 | ||
152 | /* stop it after some time of inactivity */ | |
9eb599e9 | 153 | mod_timer(&wlvif->rx_streaming_timer, |
77ddaa10 EP |
154 | jiffies + msecs_to_jiffies(wl->conf.rx_streaming.duration)); |
155 | ||
156 | out_sleep: | |
9b71578d TL |
157 | pm_runtime_mark_last_busy(wl->dev); |
158 | pm_runtime_put_autosuspend(wl->dev); | |
77ddaa10 EP |
159 | out: |
160 | mutex_unlock(&wl->mutex); | |
161 | } | |
162 | ||
163 | static void wl1271_rx_streaming_disable_work(struct work_struct *work) | |
164 | { | |
165 | int ret; | |
9eb599e9 EP |
166 | struct wl12xx_vif *wlvif = container_of(work, struct wl12xx_vif, |
167 | rx_streaming_disable_work); | |
168 | struct wl1271 *wl = wlvif->wl; | |
77ddaa10 EP |
169 | |
170 | mutex_lock(&wl->mutex); | |
171 | ||
0744bdb6 | 172 | if (!test_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags)) |
77ddaa10 EP |
173 | goto out; |
174 | ||
ab589ac2 MC |
175 | ret = pm_runtime_resume_and_get(wl->dev); |
176 | if (ret < 0) | |
77ddaa10 EP |
177 | goto out; |
178 | ||
9eb599e9 | 179 | ret = wl1271_set_rx_streaming(wl, wlvif, false); |
77ddaa10 EP |
180 | if (ret) |
181 | goto out_sleep; | |
182 | ||
183 | out_sleep: | |
9b71578d TL |
184 | pm_runtime_mark_last_busy(wl->dev); |
185 | pm_runtime_put_autosuspend(wl->dev); | |
77ddaa10 EP |
186 | out: |
187 | mutex_unlock(&wl->mutex); | |
188 | } | |
189 | ||
e99e88a9 | 190 | static void wl1271_rx_streaming_timer(struct timer_list *t) |
77ddaa10 | 191 | { |
e99e88a9 | 192 | struct wl12xx_vif *wlvif = from_timer(wlvif, t, rx_streaming_timer); |
9eb599e9 EP |
193 | struct wl1271 *wl = wlvif->wl; |
194 | ieee80211_queue_work(wl->hw, &wlvif->rx_streaming_disable_work); | |
77ddaa10 EP |
195 | } |
196 | ||
55df5afb AN |
197 | /* wl->mutex must be taken */ |
198 | void wl12xx_rearm_tx_watchdog_locked(struct wl1271 *wl) | |
199 | { | |
200 | /* if the watchdog is not armed, don't do anything */ | |
201 | if (wl->tx_allocated_blocks == 0) | |
202 | return; | |
203 | ||
204 | cancel_delayed_work(&wl->tx_watchdog_work); | |
205 | ieee80211_queue_delayed_work(wl->hw, &wl->tx_watchdog_work, | |
206 | msecs_to_jiffies(wl->conf.tx.tx_watchdog_timeout)); | |
207 | } | |
208 | ||
7d3b29e5 EP |
209 | static void wlcore_rc_update_work(struct work_struct *work) |
210 | { | |
211 | int ret; | |
212 | struct wl12xx_vif *wlvif = container_of(work, struct wl12xx_vif, | |
213 | rc_update_work); | |
214 | struct wl1271 *wl = wlvif->wl; | |
c0174ee2 | 215 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
7d3b29e5 EP |
216 | |
217 | mutex_lock(&wl->mutex); | |
218 | ||
219 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
220 | goto out; | |
221 | ||
ab589ac2 MC |
222 | ret = pm_runtime_resume_and_get(wl->dev); |
223 | if (ret < 0) | |
7d3b29e5 EP |
224 | goto out; |
225 | ||
c0174ee2 MH |
226 | if (ieee80211_vif_is_mesh(vif)) { |
227 | ret = wl1271_acx_set_ht_capabilities(wl, &wlvif->rc_ht_cap, | |
228 | true, wlvif->sta.hlid); | |
229 | if (ret < 0) | |
230 | goto out_sleep; | |
231 | } else { | |
232 | wlcore_hw_sta_rc_update(wl, wlvif); | |
233 | } | |
7d3b29e5 | 234 | |
c0174ee2 | 235 | out_sleep: |
9b71578d TL |
236 | pm_runtime_mark_last_busy(wl->dev); |
237 | pm_runtime_put_autosuspend(wl->dev); | |
7d3b29e5 EP |
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 | ||
61383412 | 247 | dwork = to_delayed_work(work); |
55df5afb AN |
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 | { |
93ac8488 | 306 | |
95dac04f IY |
307 | if (fwlog_param) { |
308 | if (!strcmp(fwlog_param, "continuous")) { | |
309 | wl->conf.fwlog.mode = WL12XX_FWLOG_CONTINUOUS; | |
3719c17e | 310 | wl->conf.fwlog.output = WL12XX_FWLOG_OUTPUT_HOST; |
95dac04f IY |
311 | } else if (!strcmp(fwlog_param, "dbgpins")) { |
312 | wl->conf.fwlog.mode = WL12XX_FWLOG_CONTINUOUS; | |
313 | wl->conf.fwlog.output = WL12XX_FWLOG_OUTPUT_DBG_PINS; | |
314 | } else if (!strcmp(fwlog_param, "disable")) { | |
315 | wl->conf.fwlog.mem_blocks = 0; | |
316 | wl->conf.fwlog.output = WL12XX_FWLOG_OUTPUT_NONE; | |
317 | } else { | |
318 | wl1271_error("Unknown fwlog parameter %s", fwlog_param); | |
319 | } | |
320 | } | |
7230341f YS |
321 | |
322 | if (bug_on_recovery != -1) | |
323 | wl->conf.recovery.bug_on_recovery = (u8) bug_on_recovery; | |
324 | ||
325 | if (no_recovery != -1) | |
326 | wl->conf.recovery.no_recovery = (u8) no_recovery; | |
95dac04f | 327 | } |
2b60100b | 328 | |
6e8cd331 EP |
329 | static void wl12xx_irq_ps_regulate_link(struct wl1271 *wl, |
330 | struct wl12xx_vif *wlvif, | |
331 | u8 hlid, u8 tx_pkts) | |
b622d992 | 332 | { |
37c68ea6 | 333 | bool fw_ps; |
b622d992 | 334 | |
5e74b3aa | 335 | fw_ps = test_bit(hlid, &wl->ap_fw_ps_map); |
b622d992 AN |
336 | |
337 | /* | |
338 | * Wake up from high level PS if the STA is asleep with too little | |
9b17f1b3 | 339 | * packets in FW or if the STA is awake. |
b622d992 | 340 | */ |
9b17f1b3 | 341 | if (!fw_ps || tx_pkts < WL1271_PS_STA_MAX_PACKETS) |
6e8cd331 | 342 | wl12xx_ps_link_end(wl, wlvif, hlid); |
b622d992 | 343 | |
da03209e AN |
344 | /* |
345 | * Start high-level PS if the STA is asleep with enough blocks in FW. | |
9a100968 AN |
346 | * Make an exception if this is the only connected link. In this |
347 | * case FW-memory congestion is less of a problem. | |
41ed1a78 EP |
348 | * Note that a single connected STA means 2*ap_count + 1 active links, |
349 | * since we must account for the global and broadcast AP links | |
350 | * for each AP. The "fw_ps" check assures us the other link is a STA | |
351 | * connected to the AP. Otherwise the FW would not set the PSM bit. | |
da03209e | 352 | */ |
41ed1a78 | 353 | else if (wl->active_link_count > (wl->ap_count*2 + 1) && fw_ps && |
37c68ea6 | 354 | tx_pkts >= WL1271_PS_STA_MAX_PACKETS) |
6e8cd331 | 355 | wl12xx_ps_link_start(wl, wlvif, hlid, true); |
b622d992 AN |
356 | } |
357 | ||
9b17f1b3 | 358 | static void wl12xx_irq_update_links_status(struct wl1271 *wl, |
c7ffb902 | 359 | struct wl12xx_vif *wlvif, |
75fb4df7 | 360 | struct wl_fw_status *status) |
b622d992 | 361 | { |
5e74b3aa | 362 | unsigned long cur_fw_ps_map; |
9ebcb232 | 363 | u8 hlid; |
b622d992 | 364 | |
75fb4df7 | 365 | cur_fw_ps_map = status->link_ps_bitmap; |
b622d992 AN |
366 | if (wl->ap_fw_ps_map != cur_fw_ps_map) { |
367 | wl1271_debug(DEBUG_PSM, | |
5e74b3aa | 368 | "link ps prev 0x%lx cur 0x%lx changed 0x%lx", |
b622d992 AN |
369 | wl->ap_fw_ps_map, cur_fw_ps_map, |
370 | wl->ap_fw_ps_map ^ cur_fw_ps_map); | |
371 | ||
372 | wl->ap_fw_ps_map = cur_fw_ps_map; | |
373 | } | |
374 | ||
da08fdfa | 375 | for_each_set_bit(hlid, wlvif->ap.sta_hlid_map, wl->num_links) |
6e8cd331 | 376 | wl12xx_irq_ps_regulate_link(wl, wlvif, hlid, |
9ebcb232 | 377 | wl->links[hlid].allocated_pkts); |
b622d992 AN |
378 | } |
379 | ||
75fb4df7 | 380 | static int wlcore_fw_status(struct wl1271 *wl, struct wl_fw_status *status) |
f5fc0f86 | 381 | { |
6e8cd331 | 382 | struct wl12xx_vif *wlvif; |
13b107dd | 383 | u32 old_tx_blk_count = wl->tx_blocks_available; |
4d56ad9c | 384 | int avail, freed_blocks; |
bf54e301 | 385 | int i; |
8b7c0fc3 | 386 | int ret; |
9ebcb232 | 387 | struct wl1271_link *lnk; |
6bac40a6 | 388 | |
75fb4df7 EP |
389 | ret = wlcore_raw_read_data(wl, REG_RAW_FW_STATUS_ADDR, |
390 | wl->raw_fw_status, | |
391 | wl->fw_status_len, false); | |
8b7c0fc3 IY |
392 | if (ret < 0) |
393 | return ret; | |
13b107dd | 394 | |
75fb4df7 EP |
395 | wlcore_hw_convert_fw_status(wl, wl->raw_fw_status, wl->fw_status); |
396 | ||
f5fc0f86 LC |
397 | wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, " |
398 | "drv_rx_counter = %d, tx_results_counter = %d)", | |
75fb4df7 EP |
399 | status->intr, |
400 | status->fw_rx_counter, | |
401 | status->drv_rx_counter, | |
402 | status->tx_results_counter); | |
f5fc0f86 | 403 | |
bf54e301 AN |
404 | for (i = 0; i < NUM_TX_QUEUES; i++) { |
405 | /* prevent wrap-around in freed-packets counter */ | |
742246f8 | 406 | wl->tx_allocated_pkts[i] -= |
75fb4df7 | 407 | (status->counters.tx_released_pkts[i] - |
bf54e301 AN |
408 | wl->tx_pkts_freed[i]) & 0xff; |
409 | ||
75fb4df7 | 410 | wl->tx_pkts_freed[i] = status->counters.tx_released_pkts[i]; |
bf54e301 AN |
411 | } |
412 | ||
9ebcb232 | 413 | |
da08fdfa | 414 | for_each_set_bit(i, wl->links_map, wl->num_links) { |
93d5d100 | 415 | u8 diff; |
9ebcb232 | 416 | lnk = &wl->links[i]; |
93d5d100 | 417 | |
9ebcb232 | 418 | /* prevent wrap-around in freed-packets counter */ |
75fb4df7 | 419 | diff = (status->counters.tx_lnk_free_pkts[i] - |
93d5d100 AN |
420 | lnk->prev_freed_pkts) & 0xff; |
421 | ||
422 | if (diff == 0) | |
423 | continue; | |
9ebcb232 | 424 | |
93d5d100 | 425 | lnk->allocated_pkts -= diff; |
75fb4df7 | 426 | lnk->prev_freed_pkts = status->counters.tx_lnk_free_pkts[i]; |
93d5d100 AN |
427 | |
428 | /* accumulate the prev_freed_pkts counter */ | |
429 | lnk->total_freed_pkts += diff; | |
9ebcb232 AN |
430 | } |
431 | ||
bdf91cfa | 432 | /* prevent wrap-around in total blocks counter */ |
75fb4df7 EP |
433 | if (likely(wl->tx_blocks_freed <= status->total_released_blks)) |
434 | freed_blocks = status->total_released_blks - | |
bdf91cfa AN |
435 | wl->tx_blocks_freed; |
436 | else | |
437 | freed_blocks = 0x100000000LL - wl->tx_blocks_freed + | |
75fb4df7 | 438 | status->total_released_blks; |
bdf91cfa | 439 | |
75fb4df7 | 440 | wl->tx_blocks_freed = status->total_released_blks; |
13b107dd | 441 | |
7bb5d6ce AN |
442 | wl->tx_allocated_blocks -= freed_blocks; |
443 | ||
55df5afb AN |
444 | /* |
445 | * If the FW freed some blocks: | |
446 | * If we still have allocated blocks - re-arm the timer, Tx is | |
447 | * not stuck. Otherwise, cancel the timer (no Tx currently). | |
448 | */ | |
449 | if (freed_blocks) { | |
450 | if (wl->tx_allocated_blocks) | |
451 | wl12xx_rearm_tx_watchdog_locked(wl); | |
452 | else | |
453 | cancel_delayed_work(&wl->tx_watchdog_work); | |
454 | } | |
455 | ||
75fb4df7 | 456 | avail = status->tx_total - wl->tx_allocated_blocks; |
13b107dd | 457 | |
4d56ad9c EP |
458 | /* |
459 | * The FW might change the total number of TX memblocks before | |
460 | * we get a notification about blocks being released. Thus, the | |
461 | * available blocks calculation might yield a temporary result | |
462 | * which is lower than the actual available blocks. Keeping in | |
463 | * mind that only blocks that were allocated can be moved from | |
464 | * TX to RX, tx_blocks_available should never decrease here. | |
465 | */ | |
466 | wl->tx_blocks_available = max((int)wl->tx_blocks_available, | |
467 | avail); | |
f5fc0f86 | 468 | |
a522550a | 469 | /* if more blocks are available now, tx work can be scheduled */ |
13b107dd | 470 | if (wl->tx_blocks_available > old_tx_blk_count) |
a522550a | 471 | clear_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags); |
f5fc0f86 | 472 | |
4d56ad9c | 473 | /* for AP update num of allocated TX blocks per link and ps status */ |
6e8cd331 | 474 | wl12xx_for_each_wlvif_ap(wl, wlvif) { |
75fb4df7 | 475 | wl12xx_irq_update_links_status(wl, wlvif, status); |
6e8cd331 | 476 | } |
4d56ad9c | 477 | |
f5fc0f86 | 478 | /* update the host-chipset time offset */ |
9285ec4c | 479 | wl->time_offset = (ktime_get_boottime_ns() >> 10) - |
75fb4df7 | 480 | (s64)(status->fw_localtime); |
8b7c0fc3 | 481 | |
75fb4df7 | 482 | wl->fw_fast_lnk_map = status->link_fast_bitmap; |
0e810479 | 483 | |
8b7c0fc3 | 484 | return 0; |
f5fc0f86 LC |
485 | } |
486 | ||
a620865e IY |
487 | static void wl1271_flush_deferred_work(struct wl1271 *wl) |
488 | { | |
489 | struct sk_buff *skb; | |
490 | ||
491 | /* Pass all received frames to the network stack */ | |
492 | while ((skb = skb_dequeue(&wl->deferred_rx_queue))) | |
493 | ieee80211_rx_ni(wl->hw, skb); | |
494 | ||
495 | /* Return sent skbs to the network stack */ | |
496 | while ((skb = skb_dequeue(&wl->deferred_tx_queue))) | |
c27d3acc | 497 | ieee80211_tx_status_ni(wl->hw, skb); |
a620865e IY |
498 | } |
499 | ||
500 | static void wl1271_netstack_work(struct work_struct *work) | |
501 | { | |
502 | struct wl1271 *wl = | |
503 | container_of(work, struct wl1271, netstack_work); | |
504 | ||
505 | do { | |
506 | wl1271_flush_deferred_work(wl); | |
507 | } while (skb_queue_len(&wl->deferred_rx_queue)); | |
508 | } | |
1e73eb62 | 509 | |
a620865e IY |
510 | #define WL1271_IRQ_MAX_LOOPS 256 |
511 | ||
b5b45b3c | 512 | static int wlcore_irq_locked(struct wl1271 *wl) |
f5fc0f86 | 513 | { |
b5b45b3c | 514 | int ret = 0; |
c15f63bf | 515 | u32 intr; |
1e73eb62 | 516 | int loopcount = WL1271_IRQ_MAX_LOOPS; |
f0325e38 | 517 | bool run_tx_queue = true; |
a620865e IY |
518 | bool done = false; |
519 | unsigned int defer_count; | |
b07d4037 IY |
520 | unsigned long flags; |
521 | ||
341b7cde IY |
522 | /* |
523 | * In case edge triggered interrupt must be used, we cannot iterate | |
524 | * more than once without introducing race conditions with the hardirq. | |
525 | */ | |
6f921fab | 526 | if (wl->irq_flags & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING)) |
341b7cde IY |
527 | loopcount = 1; |
528 | ||
f5fc0f86 LC |
529 | wl1271_debug(DEBUG_IRQ, "IRQ work"); |
530 | ||
4cc53383 | 531 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
f5fc0f86 LC |
532 | goto out; |
533 | ||
ab589ac2 MC |
534 | ret = pm_runtime_resume_and_get(wl->dev); |
535 | if (ret < 0) | |
f5fc0f86 LC |
536 | goto out; |
537 | ||
a620865e | 538 | while (!done && loopcount--) { |
4e857c58 | 539 | smp_mb__after_atomic(); |
1e73eb62 | 540 | |
75fb4df7 | 541 | ret = wlcore_fw_status(wl, wl->fw_status); |
b5b45b3c | 542 | if (ret < 0) |
da74b693 | 543 | goto err_ret; |
53d67a50 AN |
544 | |
545 | wlcore_hw_tx_immediate_compl(wl); | |
546 | ||
75fb4df7 | 547 | intr = wl->fw_status->intr; |
f5755fe9 | 548 | intr &= WLCORE_ALL_INTR_MASK; |
1e73eb62 | 549 | if (!intr) { |
a620865e | 550 | done = true; |
1e73eb62 JO |
551 | continue; |
552 | } | |
f5fc0f86 | 553 | |
ccc83b04 | 554 | if (unlikely(intr & WL1271_ACX_INTR_WATCHDOG)) { |
f5755fe9 IR |
555 | wl1271_error("HW watchdog interrupt received! starting recovery."); |
556 | wl->watchdog_recovery = true; | |
b5b45b3c | 557 | ret = -EIO; |
f5755fe9 IR |
558 | |
559 | /* restarting the chip. ignore any other interrupt. */ | |
da74b693 | 560 | goto err_ret; |
f5755fe9 IR |
561 | } |
562 | ||
563 | if (unlikely(intr & WL1271_ACX_SW_INTR_WATCHDOG)) { | |
564 | wl1271_error("SW watchdog interrupt received! " | |
ccc83b04 | 565 | "starting recovery."); |
afbe3718 | 566 | wl->watchdog_recovery = true; |
b5b45b3c | 567 | ret = -EIO; |
ccc83b04 EP |
568 | |
569 | /* restarting the chip. ignore any other interrupt. */ | |
da74b693 | 570 | goto err_ret; |
ccc83b04 EP |
571 | } |
572 | ||
a620865e | 573 | if (likely(intr & WL1271_ACX_INTR_DATA)) { |
1e73eb62 | 574 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA"); |
1fd2794f | 575 | |
75fb4df7 | 576 | ret = wlcore_rx(wl, wl->fw_status); |
b5b45b3c | 577 | if (ret < 0) |
da74b693 | 578 | goto err_ret; |
f5fc0f86 | 579 | |
a522550a | 580 | /* Check if any tx blocks were freed */ |
f0325e38 TL |
581 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags)) { |
582 | if (spin_trylock_irqsave(&wl->wl_lock, flags)) { | |
583 | if (!wl1271_tx_total_queue_count(wl)) | |
584 | run_tx_queue = false; | |
585 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
586 | } | |
587 | ||
a522550a IY |
588 | /* |
589 | * In order to avoid starvation of the TX path, | |
590 | * call the work function directly. | |
591 | */ | |
f0325e38 TL |
592 | if (run_tx_queue) { |
593 | ret = wlcore_tx_work_locked(wl); | |
594 | if (ret < 0) | |
595 | goto err_ret; | |
596 | } | |
a522550a IY |
597 | } |
598 | ||
8aad2464 | 599 | /* check for tx results */ |
045b9b5f | 600 | ret = wlcore_hw_tx_delayed_compl(wl); |
b5b45b3c | 601 | if (ret < 0) |
da74b693 | 602 | goto err_ret; |
a620865e IY |
603 | |
604 | /* Make sure the deferred queues don't get too long */ | |
605 | defer_count = skb_queue_len(&wl->deferred_tx_queue) + | |
606 | skb_queue_len(&wl->deferred_rx_queue); | |
607 | if (defer_count > WL1271_DEFERRED_QUEUE_LIMIT) | |
608 | wl1271_flush_deferred_work(wl); | |
1e73eb62 | 609 | } |
f5fc0f86 | 610 | |
1e73eb62 JO |
611 | if (intr & WL1271_ACX_INTR_EVENT_A) { |
612 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A"); | |
045b9b5f | 613 | ret = wl1271_event_handle(wl, 0); |
b5b45b3c | 614 | if (ret < 0) |
da74b693 | 615 | goto err_ret; |
1e73eb62 | 616 | } |
f5fc0f86 | 617 | |
1e73eb62 JO |
618 | if (intr & WL1271_ACX_INTR_EVENT_B) { |
619 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B"); | |
045b9b5f | 620 | ret = wl1271_event_handle(wl, 1); |
b5b45b3c | 621 | if (ret < 0) |
da74b693 | 622 | goto err_ret; |
1e73eb62 | 623 | } |
f5fc0f86 | 624 | |
1e73eb62 JO |
625 | if (intr & WL1271_ACX_INTR_INIT_COMPLETE) |
626 | wl1271_debug(DEBUG_IRQ, | |
627 | "WL1271_ACX_INTR_INIT_COMPLETE"); | |
f5fc0f86 | 628 | |
1e73eb62 JO |
629 | if (intr & WL1271_ACX_INTR_HW_AVAILABLE) |
630 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE"); | |
c15f63bf | 631 | } |
f5fc0f86 | 632 | |
da74b693 | 633 | err_ret: |
9b71578d TL |
634 | pm_runtime_mark_last_busy(wl->dev); |
635 | pm_runtime_put_autosuspend(wl->dev); | |
f5fc0f86 LC |
636 | |
637 | out: | |
b5b45b3c AN |
638 | return ret; |
639 | } | |
640 | ||
641 | static irqreturn_t wlcore_irq(int irq, void *cookie) | |
642 | { | |
643 | int ret; | |
644 | unsigned long flags; | |
645 | struct wl1271 *wl = cookie; | |
35fba0f0 | 646 | bool queue_tx_work = true; |
b5b45b3c | 647 | |
97236a06 | 648 | set_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); |
eb215c33 TL |
649 | |
650 | /* complete the ELP completion */ | |
651 | if (test_bit(WL1271_FLAG_IN_ELP, &wl->flags)) { | |
652 | spin_lock_irqsave(&wl->wl_lock, flags); | |
653 | if (wl->elp_compl) | |
654 | complete(wl->elp_compl); | |
655 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
97236a06 LC |
656 | } |
657 | ||
658 | if (test_bit(WL1271_FLAG_SUSPENDED, &wl->flags)) { | |
659 | /* don't enqueue a work right now. mark it as pending */ | |
660 | set_bit(WL1271_FLAG_PENDING_WORK, &wl->flags); | |
661 | wl1271_debug(DEBUG_IRQ, "should not enqueue work"); | |
eb215c33 | 662 | spin_lock_irqsave(&wl->wl_lock, flags); |
97236a06 LC |
663 | disable_irq_nosync(wl->irq); |
664 | pm_wakeup_event(wl->dev, 0); | |
665 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
4633d30b | 666 | goto out_handled; |
97236a06 | 667 | } |
97236a06 | 668 | |
b5b45b3c AN |
669 | /* TX might be handled here, avoid redundant work */ |
670 | set_bit(WL1271_FLAG_TX_PENDING, &wl->flags); | |
671 | cancel_work_sync(&wl->tx_work); | |
672 | ||
673 | mutex_lock(&wl->mutex); | |
674 | ||
675 | ret = wlcore_irq_locked(wl); | |
676 | if (ret) | |
677 | wl12xx_queue_recovery_work(wl); | |
678 | ||
35fba0f0 | 679 | /* In case TX was not handled in wlcore_irq_locked(), queue TX work */ |
b07d4037 | 680 | clear_bit(WL1271_FLAG_TX_PENDING, &wl->flags); |
35fba0f0 TL |
681 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags)) { |
682 | if (spin_trylock_irqsave(&wl->wl_lock, flags)) { | |
683 | if (!wl1271_tx_total_queue_count(wl)) | |
684 | queue_tx_work = false; | |
685 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
686 | } | |
687 | if (queue_tx_work) | |
688 | ieee80211_queue_work(wl->hw, &wl->tx_work); | |
689 | } | |
b07d4037 | 690 | |
f5fc0f86 | 691 | mutex_unlock(&wl->mutex); |
a620865e | 692 | |
4633d30b | 693 | out_handled: |
4633d30b | 694 | clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); |
4633d30b | 695 | |
a620865e | 696 | return IRQ_HANDLED; |
f5fc0f86 LC |
697 | } |
698 | ||
4549d09c EP |
699 | struct vif_counter_data { |
700 | u8 counter; | |
701 | ||
702 | struct ieee80211_vif *cur_vif; | |
703 | bool cur_vif_running; | |
704 | }; | |
705 | ||
706 | static void wl12xx_vif_count_iter(void *data, u8 *mac, | |
707 | struct ieee80211_vif *vif) | |
708 | { | |
709 | struct vif_counter_data *counter = data; | |
710 | ||
711 | counter->counter++; | |
712 | if (counter->cur_vif == vif) | |
713 | counter->cur_vif_running = true; | |
714 | } | |
715 | ||
716 | /* caller must not hold wl->mutex, as it might deadlock */ | |
717 | static void wl12xx_get_vif_count(struct ieee80211_hw *hw, | |
718 | struct ieee80211_vif *cur_vif, | |
719 | struct vif_counter_data *data) | |
720 | { | |
721 | memset(data, 0, sizeof(*data)); | |
722 | data->cur_vif = cur_vif; | |
723 | ||
8b2c9824 | 724 | ieee80211_iterate_active_interfaces(hw, IEEE80211_IFACE_ITER_RESUME_ALL, |
4549d09c EP |
725 | wl12xx_vif_count_iter, data); |
726 | } | |
727 | ||
3fcdab70 | 728 | static int wl12xx_fetch_firmware(struct wl1271 *wl, bool plt) |
f5fc0f86 LC |
729 | { |
730 | const struct firmware *fw; | |
166d504e | 731 | const char *fw_name; |
3fcdab70 | 732 | enum wl12xx_fw_type fw_type; |
f5fc0f86 LC |
733 | int ret; |
734 | ||
3fcdab70 EP |
735 | if (plt) { |
736 | fw_type = WL12XX_FW_TYPE_PLT; | |
6f7dd16c | 737 | fw_name = wl->plt_fw_name; |
3fcdab70 | 738 | } else { |
4549d09c EP |
739 | /* |
740 | * we can't call wl12xx_get_vif_count() here because | |
741 | * wl->mutex is taken, so use the cached last_vif_count value | |
742 | */ | |
9b1a0a77 | 743 | if (wl->last_vif_count > 1 && wl->mr_fw_name) { |
4549d09c | 744 | fw_type = WL12XX_FW_TYPE_MULTI; |
6f7dd16c | 745 | fw_name = wl->mr_fw_name; |
4549d09c EP |
746 | } else { |
747 | fw_type = WL12XX_FW_TYPE_NORMAL; | |
6f7dd16c | 748 | fw_name = wl->sr_fw_name; |
4549d09c | 749 | } |
3fcdab70 EP |
750 | } |
751 | ||
752 | if (wl->fw_type == fw_type) | |
753 | return 0; | |
166d504e AN |
754 | |
755 | wl1271_debug(DEBUG_BOOT, "booting firmware %s", fw_name); | |
756 | ||
a390e85c | 757 | ret = request_firmware(&fw, fw_name, wl->dev); |
f5fc0f86 LC |
758 | |
759 | if (ret < 0) { | |
35898935 | 760 | wl1271_error("could not get firmware %s: %d", fw_name, ret); |
f5fc0f86 LC |
761 | return ret; |
762 | } | |
763 | ||
764 | if (fw->size % 4) { | |
765 | wl1271_error("firmware size is not multiple of 32 bits: %zu", | |
766 | fw->size); | |
767 | ret = -EILSEQ; | |
768 | goto out; | |
769 | } | |
770 | ||
166d504e | 771 | vfree(wl->fw); |
3fcdab70 | 772 | wl->fw_type = WL12XX_FW_TYPE_NONE; |
f5fc0f86 | 773 | wl->fw_len = fw->size; |
1fba4974 | 774 | wl->fw = vmalloc(wl->fw_len); |
f5fc0f86 LC |
775 | |
776 | if (!wl->fw) { | |
777 | wl1271_error("could not allocate memory for the firmware"); | |
778 | ret = -ENOMEM; | |
779 | goto out; | |
780 | } | |
781 | ||
782 | memcpy(wl->fw, fw->data, wl->fw_len); | |
f5fc0f86 | 783 | ret = 0; |
3fcdab70 | 784 | wl->fw_type = fw_type; |
f5fc0f86 LC |
785 | out: |
786 | release_firmware(fw); | |
787 | ||
788 | return ret; | |
789 | } | |
790 | ||
baacb9ae IY |
791 | void wl12xx_queue_recovery_work(struct wl1271 *wl) |
792 | { | |
b666bb7f | 793 | /* Avoid a recursive recovery */ |
792a58a8 | 794 | if (wl->state == WLCORE_STATE_ON) { |
1ede9500 AN |
795 | WARN_ON(!test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, |
796 | &wl->flags)); | |
797 | ||
4cc53383 | 798 | wl->state = WLCORE_STATE_RESTARTING; |
792a58a8 | 799 | set_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); |
baacb9ae | 800 | ieee80211_queue_work(wl->hw, &wl->recovery_work); |
b666bb7f | 801 | } |
baacb9ae IY |
802 | } |
803 | ||
95dac04f IY |
804 | size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen) |
805 | { | |
c83cb803 | 806 | size_t len; |
95dac04f IY |
807 | |
808 | /* Make sure we have enough room */ | |
c8e49556 | 809 | len = min_t(size_t, maxlen, PAGE_SIZE - wl->fwlog_size); |
95dac04f IY |
810 | |
811 | /* Fill the FW log file, consumed by the sysfs fwlog entry */ | |
812 | memcpy(wl->fwlog + wl->fwlog_size, memblock, len); | |
813 | wl->fwlog_size += len; | |
814 | ||
815 | return len; | |
816 | } | |
817 | ||
818 | static void wl12xx_read_fwlog_panic(struct wl1271 *wl) | |
819 | { | |
3719c17e | 820 | u32 end_of_log = 0; |
fa2648a3 | 821 | int error; |
95dac04f | 822 | |
3719c17e | 823 | if (wl->quirks & WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED) |
95dac04f IY |
824 | return; |
825 | ||
826 | wl1271_info("Reading FW panic log"); | |
827 | ||
95dac04f IY |
828 | /* |
829 | * Make sure the chip is awake and the logger isn't active. | |
847cbebd EP |
830 | * Do not send a stop fwlog command if the fw is hanged or if |
831 | * dbgpins are used (due to some fw bug). | |
95dac04f | 832 | */ |
ab589ac2 MC |
833 | error = pm_runtime_resume_and_get(wl->dev); |
834 | if (error < 0) | |
3719c17e | 835 | return; |
847cbebd EP |
836 | if (!wl->watchdog_recovery && |
837 | wl->conf.fwlog.output != WL12XX_FWLOG_OUTPUT_DBG_PINS) | |
1e41213f | 838 | wl12xx_cmd_stop_fwlog(wl); |
95dac04f | 839 | |
95dac04f | 840 | /* Traverse the memory blocks linked list */ |
95dac04f | 841 | do { |
3719c17e SP |
842 | end_of_log = wlcore_event_fw_logger(wl); |
843 | if (end_of_log == 0) { | |
844 | msleep(100); | |
845 | end_of_log = wlcore_event_fw_logger(wl); | |
c83cb803 | 846 | } |
3719c17e | 847 | } while (end_of_log != 0); |
95dac04f IY |
848 | } |
849 | ||
50d26aa3 EP |
850 | static void wlcore_save_freed_pkts(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
851 | u8 hlid, struct ieee80211_sta *sta) | |
852 | { | |
853 | struct wl1271_station *wl_sta; | |
30a00358 | 854 | u32 sqn_recovery_padding = WL1271_TX_SQN_POST_RECOVERY_PADDING; |
50d26aa3 EP |
855 | |
856 | wl_sta = (void *)sta->drv_priv; | |
857 | wl_sta->total_freed_pkts = wl->links[hlid].total_freed_pkts; | |
858 | ||
859 | /* | |
860 | * increment the initial seq number on recovery to account for | |
861 | * transmitted packets that we haven't yet got in the FW status | |
862 | */ | |
30a00358 EP |
863 | if (wlvif->encryption_type == KEY_GEM) |
864 | sqn_recovery_padding = WL1271_TX_SQN_POST_RECOVERY_PADDING_GEM; | |
865 | ||
50d26aa3 | 866 | if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) |
30a00358 | 867 | wl_sta->total_freed_pkts += sqn_recovery_padding; |
50d26aa3 EP |
868 | } |
869 | ||
870 | static void wlcore_save_freed_pkts_addr(struct wl1271 *wl, | |
871 | struct wl12xx_vif *wlvif, | |
872 | u8 hlid, const u8 *addr) | |
873 | { | |
874 | struct ieee80211_sta *sta; | |
875 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); | |
876 | ||
877 | if (WARN_ON(hlid == WL12XX_INVALID_LINK_ID || | |
878 | is_zero_ether_addr(addr))) | |
879 | return; | |
880 | ||
881 | rcu_read_lock(); | |
882 | sta = ieee80211_find_sta(vif, addr); | |
883 | if (sta) | |
884 | wlcore_save_freed_pkts(wl, wlvif, hlid, sta); | |
885 | rcu_read_unlock(); | |
886 | } | |
887 | ||
6134323f IY |
888 | static void wlcore_print_recovery(struct wl1271 *wl) |
889 | { | |
890 | u32 pc = 0; | |
891 | u32 hint_sts = 0; | |
892 | int ret; | |
893 | ||
894 | wl1271_info("Hardware recovery in progress. FW ver: %s", | |
895 | wl->chip.fw_ver_str); | |
896 | ||
897 | /* change partitions momentarily so we can read the FW pc */ | |
b0f0ad39 IY |
898 | ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]); |
899 | if (ret < 0) | |
900 | return; | |
6134323f IY |
901 | |
902 | ret = wlcore_read_reg(wl, REG_PC_ON_RECOVERY, &pc); | |
903 | if (ret < 0) | |
904 | return; | |
905 | ||
906 | ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &hint_sts); | |
907 | if (ret < 0) | |
908 | return; | |
909 | ||
c108c905 LC |
910 | wl1271_info("pc: 0x%x, hint_sts: 0x%08x count: %d", |
911 | pc, hint_sts, ++wl->recovery_count); | |
6134323f IY |
912 | |
913 | wlcore_set_partition(wl, &wl->ptable[PART_WORK]); | |
914 | } | |
915 | ||
916 | ||
52b0e7a6 JO |
917 | static void wl1271_recovery_work(struct work_struct *work) |
918 | { | |
919 | struct wl1271 *wl = | |
920 | container_of(work, struct wl1271, recovery_work); | |
48e93e40 | 921 | struct wl12xx_vif *wlvif; |
6e8cd331 | 922 | struct ieee80211_vif *vif; |
02edf813 | 923 | int error; |
52b0e7a6 JO |
924 | |
925 | mutex_lock(&wl->mutex); | |
926 | ||
4cc53383 | 927 | if (wl->state == WLCORE_STATE_OFF || wl->plt) |
f0277434 | 928 | goto out_unlock; |
52b0e7a6 | 929 | |
ab589ac2 MC |
930 | error = pm_runtime_resume_and_get(wl->dev); |
931 | if (error < 0) | |
02edf813 TL |
932 | wl1271_warning("Enable for recovery failed"); |
933 | wlcore_disable_interrupts_nosync(wl); | |
934 | ||
aafec111 | 935 | if (!test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags)) { |
5cc14c04 BB |
936 | if (wl->conf.fwlog.output == WL12XX_FWLOG_OUTPUT_HOST) |
937 | wl12xx_read_fwlog_panic(wl); | |
aafec111 AN |
938 | wlcore_print_recovery(wl); |
939 | } | |
52b0e7a6 | 940 | |
7230341f | 941 | BUG_ON(wl->conf.recovery.bug_on_recovery && |
e9ba7152 | 942 | !test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags)); |
2a5bff09 | 943 | |
4e651bad TL |
944 | clear_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags); |
945 | ||
7230341f | 946 | if (wl->conf.recovery.no_recovery) { |
34785be5 | 947 | wl1271_info("No recovery (chosen on module load). Fw will remain stuck."); |
34785be5 AN |
948 | goto out_unlock; |
949 | } | |
950 | ||
7dece1c8 | 951 | /* Prevent spurious TX during FW restart */ |
66396114 | 952 | wlcore_stop_queues(wl, WLCORE_QUEUE_STOP_REASON_FW_RESTART); |
7dece1c8 | 953 | |
52b0e7a6 | 954 | /* reboot the chipset */ |
6e8cd331 EP |
955 | while (!list_empty(&wl->wlvif_list)) { |
956 | wlvif = list_first_entry(&wl->wlvif_list, | |
957 | struct wl12xx_vif, list); | |
958 | vif = wl12xx_wlvif_to_vif(wlvif); | |
50d26aa3 EP |
959 | |
960 | if (wlvif->bss_type == BSS_TYPE_STA_BSS && | |
961 | test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) { | |
962 | wlcore_save_freed_pkts_addr(wl, wlvif, wlvif->sta.hlid, | |
963 | vif->bss_conf.bssid); | |
964 | } | |
965 | ||
6e8cd331 EP |
966 | __wl1271_op_remove_interface(wl, vif, false); |
967 | } | |
c24ec83b IY |
968 | |
969 | wlcore_op_stop_locked(wl); | |
9b71578d TL |
970 | pm_runtime_mark_last_busy(wl->dev); |
971 | pm_runtime_put_autosuspend(wl->dev); | |
baacb9ae | 972 | |
52b0e7a6 JO |
973 | ieee80211_restart_hw(wl->hw); |
974 | ||
7dece1c8 AN |
975 | /* |
976 | * Its safe to enable TX now - the queues are stopped after a request | |
977 | * to restart the HW. | |
978 | */ | |
66396114 | 979 | wlcore_wake_queues(wl, WLCORE_QUEUE_STOP_REASON_FW_RESTART); |
c24ec83b | 980 | |
f0277434 | 981 | out_unlock: |
b034fd6f AN |
982 | wl->watchdog_recovery = false; |
983 | clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); | |
52b0e7a6 JO |
984 | mutex_unlock(&wl->mutex); |
985 | } | |
986 | ||
b0f0ad39 | 987 | static int wlcore_fw_wakeup(struct wl1271 *wl) |
f5fc0f86 | 988 | { |
b0f0ad39 | 989 | return wlcore_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG, ELPCTRL_WAKE_UP); |
f5fc0f86 LC |
990 | } |
991 | ||
992 | static int wl1271_setup(struct wl1271 *wl) | |
993 | { | |
75fb4df7 EP |
994 | wl->raw_fw_status = kzalloc(wl->fw_status_len, GFP_KERNEL); |
995 | if (!wl->raw_fw_status) | |
996 | goto err; | |
f5fc0f86 | 997 | |
75fb4df7 EP |
998 | wl->fw_status = kzalloc(sizeof(*wl->fw_status), GFP_KERNEL); |
999 | if (!wl->fw_status) | |
1000 | goto err; | |
0afd04e5 | 1001 | |
5cbba2d4 | 1002 | wl->tx_res_if = kzalloc(sizeof(*wl->tx_res_if), GFP_KERNEL); |
75fb4df7 EP |
1003 | if (!wl->tx_res_if) |
1004 | goto err; | |
f5fc0f86 | 1005 | |
f5fc0f86 | 1006 | return 0; |
75fb4df7 EP |
1007 | err: |
1008 | kfree(wl->fw_status); | |
1009 | kfree(wl->raw_fw_status); | |
1010 | return -ENOMEM; | |
f5fc0f86 LC |
1011 | } |
1012 | ||
30c5dbd1 | 1013 | static int wl12xx_set_power_on(struct wl1271 *wl) |
f5fc0f86 | 1014 | { |
30c5dbd1 | 1015 | int ret; |
f5fc0f86 | 1016 | |
01ac17ec | 1017 | msleep(WL1271_PRE_POWER_ON_SLEEP); |
2cc78ff7 OBC |
1018 | ret = wl1271_power_on(wl); |
1019 | if (ret < 0) | |
1020 | goto out; | |
f5fc0f86 | 1021 | msleep(WL1271_POWER_ON_SLEEP); |
9b280722 TP |
1022 | wl1271_io_reset(wl); |
1023 | wl1271_io_init(wl); | |
f5fc0f86 | 1024 | |
b0f0ad39 IY |
1025 | ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]); |
1026 | if (ret < 0) | |
1027 | goto fail; | |
f5fc0f86 LC |
1028 | |
1029 | /* ELP module wake up */ | |
b0f0ad39 IY |
1030 | ret = wlcore_fw_wakeup(wl); |
1031 | if (ret < 0) | |
1032 | goto fail; | |
f5fc0f86 | 1033 | |
30c5dbd1 LC |
1034 | out: |
1035 | return ret; | |
b0f0ad39 IY |
1036 | |
1037 | fail: | |
1038 | wl1271_power_off(wl); | |
1039 | return ret; | |
30c5dbd1 | 1040 | } |
f5fc0f86 | 1041 | |
3fcdab70 | 1042 | static int wl12xx_chip_wakeup(struct wl1271 *wl, bool plt) |
30c5dbd1 LC |
1043 | { |
1044 | int ret = 0; | |
1045 | ||
1046 | ret = wl12xx_set_power_on(wl); | |
1047 | if (ret < 0) | |
1048 | goto out; | |
f5fc0f86 | 1049 | |
e62c9ce4 LC |
1050 | /* |
1051 | * For wl127x based devices we could use the default block | |
1052 | * size (512 bytes), but due to a bug in the sdio driver, we | |
1053 | * need to set it explicitly after the chip is powered on. To | |
1054 | * simplify the code and since the performance impact is | |
1055 | * negligible, we use the same block size for all different | |
1056 | * chip types. | |
b5d6d9b2 LC |
1057 | * |
1058 | * Check if the bus supports blocksize alignment and, if it | |
1059 | * doesn't, make sure we don't have the quirk. | |
e62c9ce4 | 1060 | */ |
b5d6d9b2 LC |
1061 | if (!wl1271_set_block_size(wl)) |
1062 | wl->quirks &= ~WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN; | |
f5fc0f86 | 1063 | |
6f7dd16c | 1064 | /* TODO: make sure the lower driver has set things up correctly */ |
0830ceed | 1065 | |
6f7dd16c LC |
1066 | ret = wl1271_setup(wl); |
1067 | if (ret < 0) | |
9ccd9217 | 1068 | goto out; |
f5fc0f86 | 1069 | |
3fcdab70 | 1070 | ret = wl12xx_fetch_firmware(wl, plt); |
ba2ffc96 ZC |
1071 | if (ret < 0) { |
1072 | kfree(wl->fw_status); | |
1073 | kfree(wl->raw_fw_status); | |
1074 | kfree(wl->tx_res_if); | |
1075 | } | |
f5fc0f86 | 1076 | |
f5fc0f86 LC |
1077 | out: |
1078 | return ret; | |
1079 | } | |
1080 | ||
7019c80e | 1081 | int wl1271_plt_start(struct wl1271 *wl, const enum plt_mode plt_mode) |
f5fc0f86 | 1082 | { |
9ccd9217 | 1083 | int retries = WL1271_BOOT_RETRIES; |
6f07b72a | 1084 | struct wiphy *wiphy = wl->hw->wiphy; |
7019c80e YS |
1085 | |
1086 | static const char* const PLT_MODE[] = { | |
1087 | "PLT_OFF", | |
1088 | "PLT_ON", | |
dd491ffb YS |
1089 | "PLT_FEM_DETECT", |
1090 | "PLT_CHIP_AWAKE" | |
7019c80e YS |
1091 | }; |
1092 | ||
f5fc0f86 LC |
1093 | int ret; |
1094 | ||
1095 | mutex_lock(&wl->mutex); | |
1096 | ||
1097 | wl1271_notice("power up"); | |
1098 | ||
4cc53383 | 1099 | if (wl->state != WLCORE_STATE_OFF) { |
f5fc0f86 LC |
1100 | wl1271_error("cannot go into PLT state because not " |
1101 | "in off state: %d", wl->state); | |
1102 | ret = -EBUSY; | |
1103 | goto out; | |
1104 | } | |
1105 | ||
7019c80e YS |
1106 | /* Indicate to lower levels that we are now in PLT mode */ |
1107 | wl->plt = true; | |
1108 | wl->plt_mode = plt_mode; | |
1109 | ||
9ccd9217 JO |
1110 | while (retries) { |
1111 | retries--; | |
3fcdab70 | 1112 | ret = wl12xx_chip_wakeup(wl, true); |
9ccd9217 JO |
1113 | if (ret < 0) |
1114 | goto power_off; | |
f5fc0f86 | 1115 | |
dd491ffb YS |
1116 | if (plt_mode != PLT_CHIP_AWAKE) { |
1117 | ret = wl->ops->plt_init(wl); | |
1118 | if (ret < 0) | |
1119 | goto power_off; | |
1120 | } | |
eb5b28d0 | 1121 | |
4cc53383 | 1122 | wl->state = WLCORE_STATE_ON; |
7019c80e YS |
1123 | wl1271_notice("firmware booted in PLT mode %s (%s)", |
1124 | PLT_MODE[plt_mode], | |
4b7fac77 | 1125 | wl->chip.fw_ver_str); |
e7ddf549 | 1126 | |
6f07b72a GK |
1127 | /* update hw/fw version info in wiphy struct */ |
1128 | wiphy->hw_version = wl->chip.id; | |
1129 | strncpy(wiphy->fw_version, wl->chip.fw_ver_str, | |
1130 | sizeof(wiphy->fw_version)); | |
1131 | ||
9ccd9217 | 1132 | goto out; |
eb5b28d0 | 1133 | |
9ccd9217 JO |
1134 | power_off: |
1135 | wl1271_power_off(wl); | |
1136 | } | |
f5fc0f86 | 1137 | |
7019c80e YS |
1138 | wl->plt = false; |
1139 | wl->plt_mode = PLT_OFF; | |
1140 | ||
9ccd9217 JO |
1141 | wl1271_error("firmware boot in PLT mode failed despite %d retries", |
1142 | WL1271_BOOT_RETRIES); | |
f5fc0f86 LC |
1143 | out: |
1144 | mutex_unlock(&wl->mutex); | |
1145 | ||
1146 | return ret; | |
1147 | } | |
1148 | ||
f3df1331 | 1149 | int wl1271_plt_stop(struct wl1271 *wl) |
f5fc0f86 LC |
1150 | { |
1151 | int ret = 0; | |
1152 | ||
f5fc0f86 LC |
1153 | wl1271_notice("power down"); |
1154 | ||
46b0cc9f IY |
1155 | /* |
1156 | * Interrupts must be disabled before setting the state to OFF. | |
1157 | * Otherwise, the interrupt handler might be called and exit without | |
1158 | * reading the interrupt status. | |
1159 | */ | |
dd5512eb | 1160 | wlcore_disable_interrupts(wl); |
f3df1331 | 1161 | mutex_lock(&wl->mutex); |
3fcdab70 | 1162 | if (!wl->plt) { |
f3df1331 | 1163 | mutex_unlock(&wl->mutex); |
46b0cc9f IY |
1164 | |
1165 | /* | |
1166 | * This will not necessarily enable interrupts as interrupts | |
1167 | * may have been disabled when op_stop was called. It will, | |
1168 | * however, balance the above call to disable_interrupts(). | |
1169 | */ | |
dd5512eb | 1170 | wlcore_enable_interrupts(wl); |
46b0cc9f | 1171 | |
f5fc0f86 LC |
1172 | wl1271_error("cannot power down because not in PLT " |
1173 | "state: %d", wl->state); | |
1174 | ret = -EBUSY; | |
1175 | goto out; | |
1176 | } | |
1177 | ||
f5fc0f86 | 1178 | mutex_unlock(&wl->mutex); |
f3df1331 | 1179 | |
a620865e IY |
1180 | wl1271_flush_deferred_work(wl); |
1181 | cancel_work_sync(&wl->netstack_work); | |
52b0e7a6 | 1182 | cancel_work_sync(&wl->recovery_work); |
55df5afb | 1183 | cancel_delayed_work_sync(&wl->tx_watchdog_work); |
a454969e IY |
1184 | |
1185 | mutex_lock(&wl->mutex); | |
1186 | wl1271_power_off(wl); | |
f6fbeccd | 1187 | wl->flags = 0; |
2f18cf7c | 1188 | wl->sleep_auth = WL1271_PSM_ILLEGAL; |
4cc53383 | 1189 | wl->state = WLCORE_STATE_OFF; |
3fcdab70 | 1190 | wl->plt = false; |
7019c80e | 1191 | wl->plt_mode = PLT_OFF; |
f6fbeccd | 1192 | wl->rx_counter = 0; |
a454969e IY |
1193 | mutex_unlock(&wl->mutex); |
1194 | ||
4ae3fa87 JO |
1195 | out: |
1196 | return ret; | |
1197 | } | |
1198 | ||
36323f81 TH |
1199 | static void wl1271_op_tx(struct ieee80211_hw *hw, |
1200 | struct ieee80211_tx_control *control, | |
1201 | struct sk_buff *skb) | |
f5fc0f86 LC |
1202 | { |
1203 | struct wl1271 *wl = hw->priv; | |
a8ab39a4 EP |
1204 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
1205 | struct ieee80211_vif *vif = info->control.vif; | |
0f168014 | 1206 | struct wl12xx_vif *wlvif = NULL; |
830fb67b | 1207 | unsigned long flags; |
708bb3cf | 1208 | int q, mapping; |
d6a3cc2e | 1209 | u8 hlid; |
f5fc0f86 | 1210 | |
f4d02007 AN |
1211 | if (!vif) { |
1212 | wl1271_debug(DEBUG_TX, "DROP skb with no vif"); | |
1213 | ieee80211_free_txskb(hw, skb); | |
1214 | return; | |
1215 | } | |
0f168014 | 1216 | |
f4d02007 | 1217 | wlvif = wl12xx_vif_to_data(vif); |
708bb3cf AN |
1218 | mapping = skb_get_queue_mapping(skb); |
1219 | q = wl1271_tx_get_queue(mapping); | |
b07d4037 | 1220 | |
36323f81 | 1221 | hlid = wl12xx_tx_get_hlid(wl, wlvif, skb, control->sta); |
b07d4037 | 1222 | |
830fb67b | 1223 | spin_lock_irqsave(&wl->wl_lock, flags); |
b07d4037 | 1224 | |
66396114 AN |
1225 | /* |
1226 | * drop the packet if the link is invalid or the queue is stopped | |
1227 | * for any reason but watermark. Watermark is a "soft"-stop so we | |
1228 | * allow these packets through. | |
1229 | */ | |
d6a3cc2e | 1230 | if (hlid == WL12XX_INVALID_LINK_ID || |
f4d02007 | 1231 | (!test_bit(hlid, wlvif->links_map)) || |
d6037d22 AN |
1232 | (wlcore_is_queue_stopped_locked(wl, wlvif, q) && |
1233 | !wlcore_is_queue_stopped_by_reason_locked(wl, wlvif, q, | |
66396114 | 1234 | WLCORE_QUEUE_STOP_REASON_WATERMARK))) { |
d6a3cc2e | 1235 | wl1271_debug(DEBUG_TX, "DROP skb hlid %d q %d", hlid, q); |
5de8eef4 | 1236 | ieee80211_free_txskb(hw, skb); |
d6a3cc2e | 1237 | goto out; |
a8c0ddb5 | 1238 | } |
f5fc0f86 | 1239 | |
8ccd16e6 EP |
1240 | wl1271_debug(DEBUG_TX, "queue skb hlid %d q %d len %d", |
1241 | hlid, q, skb->len); | |
d6a3cc2e EP |
1242 | skb_queue_tail(&wl->links[hlid].tx_queue[q], skb); |
1243 | ||
04b4d69c | 1244 | wl->tx_queue_count[q]++; |
f4d02007 | 1245 | wlvif->tx_queue_count[q]++; |
04b4d69c AN |
1246 | |
1247 | /* | |
1248 | * The workqueue is slow to process the tx_queue and we need stop | |
1249 | * the queue here, otherwise the queue will get too long. | |
1250 | */ | |
1c33db78 | 1251 | if (wlvif->tx_queue_count[q] >= WL1271_TX_QUEUE_HIGH_WATERMARK && |
d6037d22 | 1252 | !wlcore_is_queue_stopped_by_reason_locked(wl, wlvif, q, |
8cdc44aa | 1253 | WLCORE_QUEUE_STOP_REASON_WATERMARK)) { |
04b4d69c | 1254 | wl1271_debug(DEBUG_TX, "op_tx: stopping queues for q %d", q); |
1c33db78 | 1255 | wlcore_stop_queue_locked(wl, wlvif, q, |
66396114 | 1256 | WLCORE_QUEUE_STOP_REASON_WATERMARK); |
04b4d69c AN |
1257 | } |
1258 | ||
f5fc0f86 LC |
1259 | /* |
1260 | * The chip specific setup must run before the first TX packet - | |
1261 | * before that, the tx_work will not be initialized! | |
1262 | */ | |
1263 | ||
b07d4037 IY |
1264 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
1265 | !test_bit(WL1271_FLAG_TX_PENDING, &wl->flags)) | |
a522550a | 1266 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
b07d4037 | 1267 | |
04216da3 | 1268 | out: |
b07d4037 | 1269 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
f5fc0f86 LC |
1270 | } |
1271 | ||
ae47c45f SL |
1272 | int wl1271_tx_dummy_packet(struct wl1271 *wl) |
1273 | { | |
990f5de7 | 1274 | unsigned long flags; |
14623787 AN |
1275 | int q; |
1276 | ||
1277 | /* no need to queue a new dummy packet if one is already pending */ | |
1278 | if (test_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags)) | |
1279 | return 0; | |
1280 | ||
1281 | q = wl1271_tx_get_queue(skb_get_queue_mapping(wl->dummy_packet)); | |
990f5de7 IY |
1282 | |
1283 | spin_lock_irqsave(&wl->wl_lock, flags); | |
1284 | set_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags); | |
f1a46384 | 1285 | wl->tx_queue_count[q]++; |
990f5de7 IY |
1286 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
1287 | ||
1288 | /* The FW is low on RX memory blocks, so send the dummy packet asap */ | |
1289 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags)) | |
eb96f841 | 1290 | return wlcore_tx_work_locked(wl); |
990f5de7 IY |
1291 | |
1292 | /* | |
1293 | * If the FW TX is busy, TX work will be scheduled by the threaded | |
1294 | * interrupt handler function | |
1295 | */ | |
1296 | return 0; | |
1297 | } | |
1298 | ||
1299 | /* | |
1300 | * The size of the dummy packet should be at least 1400 bytes. However, in | |
1301 | * order to minimize the number of bus transactions, aligning it to 512 bytes | |
1302 | * boundaries could be beneficial, performance wise | |
1303 | */ | |
1304 | #define TOTAL_TX_DUMMY_PACKET_SIZE (ALIGN(1400, 512)) | |
1305 | ||
cf27d867 | 1306 | static struct sk_buff *wl12xx_alloc_dummy_packet(struct wl1271 *wl) |
990f5de7 IY |
1307 | { |
1308 | struct sk_buff *skb; | |
ae47c45f | 1309 | struct ieee80211_hdr_3addr *hdr; |
990f5de7 IY |
1310 | unsigned int dummy_packet_size; |
1311 | ||
1312 | dummy_packet_size = TOTAL_TX_DUMMY_PACKET_SIZE - | |
1313 | sizeof(struct wl1271_tx_hw_descr) - sizeof(*hdr); | |
ae47c45f | 1314 | |
990f5de7 | 1315 | skb = dev_alloc_skb(TOTAL_TX_DUMMY_PACKET_SIZE); |
ae47c45f | 1316 | if (!skb) { |
990f5de7 IY |
1317 | wl1271_warning("Failed to allocate a dummy packet skb"); |
1318 | return NULL; | |
ae47c45f SL |
1319 | } |
1320 | ||
1321 | skb_reserve(skb, sizeof(struct wl1271_tx_hw_descr)); | |
1322 | ||
b080db58 | 1323 | hdr = skb_put_zero(skb, sizeof(*hdr)); |
ae47c45f | 1324 | hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | |
990f5de7 IY |
1325 | IEEE80211_STYPE_NULLFUNC | |
1326 | IEEE80211_FCTL_TODS); | |
ae47c45f | 1327 | |
b080db58 | 1328 | skb_put_zero(skb, dummy_packet_size); |
ae47c45f | 1329 | |
18b92ffa LC |
1330 | /* Dummy packets require the TID to be management */ |
1331 | skb->priority = WL1271_TID_MGMT; | |
ae47c45f | 1332 | |
990f5de7 | 1333 | /* Initialize all fields that might be used */ |
86c438f4 | 1334 | skb_set_queue_mapping(skb, 0); |
990f5de7 | 1335 | memset(IEEE80211_SKB_CB(skb), 0, sizeof(struct ieee80211_tx_info)); |
ae47c45f | 1336 | |
990f5de7 | 1337 | return skb; |
ae47c45f SL |
1338 | } |
1339 | ||
990f5de7 | 1340 | |
22479972 | 1341 | static int |
50ac6607 | 1342 | wl1271_validate_wowlan_pattern(struct cfg80211_pkt_pattern *p) |
b95d7cef ES |
1343 | { |
1344 | int num_fields = 0, in_field = 0, fields_size = 0; | |
1345 | int i, pattern_len = 0; | |
1346 | ||
1347 | if (!p->mask) { | |
1348 | wl1271_warning("No mask in WoWLAN pattern"); | |
1349 | return -EINVAL; | |
1350 | } | |
1351 | ||
1352 | /* | |
1353 | * The pattern is broken up into segments of bytes at different offsets | |
1354 | * that need to be checked by the FW filter. Each segment is called | |
1355 | * a field in the FW API. We verify that the total number of fields | |
1356 | * required for this pattern won't exceed FW limits (8) | |
1357 | * as well as the total fields buffer won't exceed the FW limit. | |
1358 | * Note that if there's a pattern which crosses Ethernet/IP header | |
1359 | * boundary a new field is required. | |
1360 | */ | |
1361 | for (i = 0; i < p->pattern_len; i++) { | |
1362 | if (test_bit(i, (unsigned long *)p->mask)) { | |
1363 | if (!in_field) { | |
1364 | in_field = 1; | |
1365 | pattern_len = 1; | |
1366 | } else { | |
1367 | if (i == WL1271_RX_FILTER_ETH_HEADER_SIZE) { | |
1368 | num_fields++; | |
1369 | fields_size += pattern_len + | |
1370 | RX_FILTER_FIELD_OVERHEAD; | |
1371 | pattern_len = 1; | |
1372 | } else | |
1373 | pattern_len++; | |
1374 | } | |
1375 | } else { | |
1376 | if (in_field) { | |
1377 | in_field = 0; | |
1378 | fields_size += pattern_len + | |
1379 | RX_FILTER_FIELD_OVERHEAD; | |
1380 | num_fields++; | |
1381 | } | |
1382 | } | |
1383 | } | |
1384 | ||
1385 | if (in_field) { | |
1386 | fields_size += pattern_len + RX_FILTER_FIELD_OVERHEAD; | |
1387 | num_fields++; | |
1388 | } | |
1389 | ||
1390 | if (num_fields > WL1271_RX_FILTER_MAX_FIELDS) { | |
1391 | wl1271_warning("RX Filter too complex. Too many segments"); | |
1392 | return -EINVAL; | |
1393 | } | |
1394 | ||
1395 | if (fields_size > WL1271_RX_FILTER_MAX_FIELDS_SIZE) { | |
1396 | wl1271_warning("RX filter pattern is too big"); | |
1397 | return -E2BIG; | |
1398 | } | |
1399 | ||
1400 | return 0; | |
1401 | } | |
1402 | ||
a6eab0c8 ES |
1403 | struct wl12xx_rx_filter *wl1271_rx_filter_alloc(void) |
1404 | { | |
1405 | return kzalloc(sizeof(struct wl12xx_rx_filter), GFP_KERNEL); | |
1406 | } | |
1407 | ||
1408 | void wl1271_rx_filter_free(struct wl12xx_rx_filter *filter) | |
1409 | { | |
1410 | int i; | |
1411 | ||
1412 | if (filter == NULL) | |
1413 | return; | |
1414 | ||
1415 | for (i = 0; i < filter->num_fields; i++) | |
1416 | kfree(filter->fields[i].pattern); | |
1417 | ||
1418 | kfree(filter); | |
1419 | } | |
1420 | ||
1421 | int wl1271_rx_filter_alloc_field(struct wl12xx_rx_filter *filter, | |
1422 | u16 offset, u8 flags, | |
922bd80f | 1423 | const u8 *pattern, u8 len) |
a6eab0c8 ES |
1424 | { |
1425 | struct wl12xx_rx_filter_field *field; | |
1426 | ||
1427 | if (filter->num_fields == WL1271_RX_FILTER_MAX_FIELDS) { | |
1428 | wl1271_warning("Max fields per RX filter. can't alloc another"); | |
1429 | return -EINVAL; | |
1430 | } | |
1431 | ||
1432 | field = &filter->fields[filter->num_fields]; | |
1433 | ||
ab8c31dd | 1434 | field->pattern = kmemdup(pattern, len, GFP_KERNEL); |
a6eab0c8 ES |
1435 | if (!field->pattern) { |
1436 | wl1271_warning("Failed to allocate RX filter pattern"); | |
1437 | return -ENOMEM; | |
1438 | } | |
1439 | ||
1440 | filter->num_fields++; | |
1441 | ||
1442 | field->offset = cpu_to_le16(offset); | |
1443 | field->flags = flags; | |
1444 | field->len = len; | |
a6eab0c8 ES |
1445 | |
1446 | return 0; | |
1447 | } | |
1448 | ||
1449 | int wl1271_rx_filter_get_fields_size(struct wl12xx_rx_filter *filter) | |
1450 | { | |
1451 | int i, fields_size = 0; | |
1452 | ||
1453 | for (i = 0; i < filter->num_fields; i++) | |
1454 | fields_size += filter->fields[i].len + | |
1455 | sizeof(struct wl12xx_rx_filter_field) - | |
1456 | sizeof(u8 *); | |
1457 | ||
1458 | return fields_size; | |
1459 | } | |
1460 | ||
1461 | void wl1271_rx_filter_flatten_fields(struct wl12xx_rx_filter *filter, | |
1462 | u8 *buf) | |
1463 | { | |
1464 | int i; | |
1465 | struct wl12xx_rx_filter_field *field; | |
1466 | ||
1467 | for (i = 0; i < filter->num_fields; i++) { | |
1468 | field = (struct wl12xx_rx_filter_field *)buf; | |
1469 | ||
1470 | field->offset = filter->fields[i].offset; | |
1471 | field->flags = filter->fields[i].flags; | |
1472 | field->len = filter->fields[i].len; | |
1473 | ||
1474 | memcpy(&field->pattern, filter->fields[i].pattern, field->len); | |
1475 | buf += sizeof(struct wl12xx_rx_filter_field) - | |
1476 | sizeof(u8 *) + field->len; | |
1477 | } | |
1478 | } | |
1479 | ||
b95d7cef ES |
1480 | /* |
1481 | * Allocates an RX filter returned through f | |
1482 | * which needs to be freed using rx_filter_free() | |
1483 | */ | |
50ac6607 AK |
1484 | static int |
1485 | wl1271_convert_wowlan_pattern_to_rx_filter(struct cfg80211_pkt_pattern *p, | |
1486 | struct wl12xx_rx_filter **f) | |
b95d7cef ES |
1487 | { |
1488 | int i, j, ret = 0; | |
1489 | struct wl12xx_rx_filter *filter; | |
1490 | u16 offset; | |
1491 | u8 flags, len; | |
1492 | ||
1493 | filter = wl1271_rx_filter_alloc(); | |
1494 | if (!filter) { | |
1495 | wl1271_warning("Failed to alloc rx filter"); | |
1496 | ret = -ENOMEM; | |
1497 | goto err; | |
1498 | } | |
1499 | ||
1500 | i = 0; | |
1501 | while (i < p->pattern_len) { | |
1502 | if (!test_bit(i, (unsigned long *)p->mask)) { | |
1503 | i++; | |
1504 | continue; | |
1505 | } | |
1506 | ||
1507 | for (j = i; j < p->pattern_len; j++) { | |
1508 | if (!test_bit(j, (unsigned long *)p->mask)) | |
1509 | break; | |
1510 | ||
1511 | if (i < WL1271_RX_FILTER_ETH_HEADER_SIZE && | |
1512 | j >= WL1271_RX_FILTER_ETH_HEADER_SIZE) | |
1513 | break; | |
1514 | } | |
1515 | ||
1516 | if (i < WL1271_RX_FILTER_ETH_HEADER_SIZE) { | |
1517 | offset = i; | |
1518 | flags = WL1271_RX_FILTER_FLAG_ETHERNET_HEADER; | |
1519 | } else { | |
1520 | offset = i - WL1271_RX_FILTER_ETH_HEADER_SIZE; | |
1521 | flags = WL1271_RX_FILTER_FLAG_IP_HEADER; | |
1522 | } | |
1523 | ||
1524 | len = j - i; | |
1525 | ||
1526 | ret = wl1271_rx_filter_alloc_field(filter, | |
1527 | offset, | |
1528 | flags, | |
1529 | &p->pattern[i], len); | |
1530 | if (ret) | |
1531 | goto err; | |
1532 | ||
1533 | i = j; | |
1534 | } | |
1535 | ||
1536 | filter->action = FILTER_SIGNAL; | |
1537 | ||
1538 | *f = filter; | |
1539 | return 0; | |
1540 | ||
1541 | err: | |
1542 | wl1271_rx_filter_free(filter); | |
1543 | *f = NULL; | |
1544 | ||
1545 | return ret; | |
1546 | } | |
1547 | ||
1548 | static int wl1271_configure_wowlan(struct wl1271 *wl, | |
1549 | struct cfg80211_wowlan *wow) | |
1550 | { | |
1551 | int i, ret; | |
1552 | ||
1553 | if (!wow || wow->any || !wow->n_patterns) { | |
c439a1ca AN |
1554 | ret = wl1271_acx_default_rx_filter_enable(wl, 0, |
1555 | FILTER_SIGNAL); | |
1556 | if (ret) | |
1557 | goto out; | |
1558 | ||
1559 | ret = wl1271_rx_filter_clear_all(wl); | |
1560 | if (ret) | |
1561 | goto out; | |
1562 | ||
b95d7cef ES |
1563 | return 0; |
1564 | } | |
1565 | ||
1566 | if (WARN_ON(wow->n_patterns > WL1271_MAX_RX_FILTERS)) | |
1567 | return -EINVAL; | |
1568 | ||
1569 | /* Validate all incoming patterns before clearing current FW state */ | |
1570 | for (i = 0; i < wow->n_patterns; i++) { | |
1571 | ret = wl1271_validate_wowlan_pattern(&wow->patterns[i]); | |
1572 | if (ret) { | |
1573 | wl1271_warning("Bad wowlan pattern %d", i); | |
1574 | return ret; | |
1575 | } | |
1576 | } | |
1577 | ||
c439a1ca AN |
1578 | ret = wl1271_acx_default_rx_filter_enable(wl, 0, FILTER_SIGNAL); |
1579 | if (ret) | |
1580 | goto out; | |
1581 | ||
1582 | ret = wl1271_rx_filter_clear_all(wl); | |
1583 | if (ret) | |
1584 | goto out; | |
b95d7cef ES |
1585 | |
1586 | /* Translate WoWLAN patterns into filters */ | |
1587 | for (i = 0; i < wow->n_patterns; i++) { | |
50ac6607 | 1588 | struct cfg80211_pkt_pattern *p; |
b95d7cef ES |
1589 | struct wl12xx_rx_filter *filter = NULL; |
1590 | ||
1591 | p = &wow->patterns[i]; | |
1592 | ||
1593 | ret = wl1271_convert_wowlan_pattern_to_rx_filter(p, &filter); | |
1594 | if (ret) { | |
1595 | wl1271_warning("Failed to create an RX filter from " | |
1596 | "wowlan pattern %d", i); | |
1597 | goto out; | |
1598 | } | |
1599 | ||
1600 | ret = wl1271_rx_filter_enable(wl, i, 1, filter); | |
1601 | ||
1602 | wl1271_rx_filter_free(filter); | |
1603 | if (ret) | |
1604 | goto out; | |
1605 | } | |
1606 | ||
1607 | ret = wl1271_acx_default_rx_filter_enable(wl, 1, FILTER_DROP); | |
1608 | ||
1609 | out: | |
1610 | return ret; | |
1611 | } | |
1612 | ||
dae728fe | 1613 | static int wl1271_configure_suspend_sta(struct wl1271 *wl, |
b95d7cef ES |
1614 | struct wl12xx_vif *wlvif, |
1615 | struct cfg80211_wowlan *wow) | |
dae728fe ES |
1616 | { |
1617 | int ret = 0; | |
1618 | ||
dae728fe | 1619 | if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
c56dbd57 | 1620 | goto out; |
dae728fe | 1621 | |
c439a1ca AN |
1622 | ret = wl1271_configure_wowlan(wl, wow); |
1623 | if (ret < 0) | |
6d5a748d | 1624 | goto out; |
c439a1ca | 1625 | |
11bc97eb ES |
1626 | if ((wl->conf.conn.suspend_wake_up_event == |
1627 | wl->conf.conn.wake_up_event) && | |
1628 | (wl->conf.conn.suspend_listen_interval == | |
1629 | wl->conf.conn.listen_interval)) | |
6d5a748d | 1630 | goto out; |
11bc97eb | 1631 | |
dae728fe ES |
1632 | ret = wl1271_acx_wake_up_conditions(wl, wlvif, |
1633 | wl->conf.conn.suspend_wake_up_event, | |
1634 | wl->conf.conn.suspend_listen_interval); | |
1635 | ||
1636 | if (ret < 0) | |
1637 | wl1271_error("suspend: set wake up conditions failed: %d", ret); | |
c56dbd57 | 1638 | out: |
dae728fe ES |
1639 | return ret; |
1640 | ||
1641 | } | |
9439064c | 1642 | |
0603d891 | 1643 | static int wl1271_configure_suspend_ap(struct wl1271 *wl, |
b8714d1b EP |
1644 | struct wl12xx_vif *wlvif, |
1645 | struct cfg80211_wowlan *wow) | |
8a7cf3fe | 1646 | { |
e85d1629 | 1647 | int ret = 0; |
8a7cf3fe | 1648 | |
53d40d0b | 1649 | if (!test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) |
c56dbd57 | 1650 | goto out; |
e85d1629 | 1651 | |
0603d891 | 1652 | ret = wl1271_acx_beacon_filter_opt(wl, wlvif, true); |
b8714d1b EP |
1653 | if (ret < 0) |
1654 | goto out; | |
1655 | ||
1656 | ret = wl1271_configure_wowlan(wl, wow); | |
1657 | if (ret < 0) | |
1658 | goto out; | |
8a7cf3fe | 1659 | |
c56dbd57 | 1660 | out: |
8a7cf3fe EP |
1661 | return ret; |
1662 | ||
1663 | } | |
1664 | ||
d2d66c56 | 1665 | static int wl1271_configure_suspend(struct wl1271 *wl, |
b95d7cef ES |
1666 | struct wl12xx_vif *wlvif, |
1667 | struct cfg80211_wowlan *wow) | |
8a7cf3fe | 1668 | { |
dae728fe | 1669 | if (wlvif->bss_type == BSS_TYPE_STA_BSS) |
b95d7cef | 1670 | return wl1271_configure_suspend_sta(wl, wlvif, wow); |
536129c8 | 1671 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) |
b8714d1b | 1672 | return wl1271_configure_suspend_ap(wl, wlvif, wow); |
8a7cf3fe EP |
1673 | return 0; |
1674 | } | |
1675 | ||
8f6ac537 | 1676 | static void wl1271_configure_resume(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
9439064c | 1677 | { |
dae728fe | 1678 | int ret = 0; |
536129c8 | 1679 | bool is_ap = wlvif->bss_type == BSS_TYPE_AP_BSS; |
dae728fe | 1680 | bool is_sta = wlvif->bss_type == BSS_TYPE_STA_BSS; |
9439064c | 1681 | |
dae728fe | 1682 | if ((!is_ap) && (!is_sta)) |
9439064c EP |
1683 | return; |
1684 | ||
b8714d1b EP |
1685 | if ((is_sta && !test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) || |
1686 | (is_ap && !test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags))) | |
d49524d3 EP |
1687 | return; |
1688 | ||
b8714d1b | 1689 | wl1271_configure_wowlan(wl, NULL); |
b95d7cef | 1690 | |
b8714d1b | 1691 | if (is_sta) { |
11bc97eb ES |
1692 | if ((wl->conf.conn.suspend_wake_up_event == |
1693 | wl->conf.conn.wake_up_event) && | |
1694 | (wl->conf.conn.suspend_listen_interval == | |
1695 | wl->conf.conn.listen_interval)) | |
6d5a748d | 1696 | return; |
11bc97eb | 1697 | |
dae728fe ES |
1698 | ret = wl1271_acx_wake_up_conditions(wl, wlvif, |
1699 | wl->conf.conn.wake_up_event, | |
1700 | wl->conf.conn.listen_interval); | |
1701 | ||
1702 | if (ret < 0) | |
1703 | wl1271_error("resume: wake up conditions failed: %d", | |
1704 | ret); | |
1705 | ||
1706 | } else if (is_ap) { | |
1707 | ret = wl1271_acx_beacon_filter_opt(wl, wlvif, false); | |
1708 | } | |
9439064c EP |
1709 | } |
1710 | ||
7de241f3 AB |
1711 | static int __maybe_unused wl1271_op_suspend(struct ieee80211_hw *hw, |
1712 | struct cfg80211_wowlan *wow) | |
402e4861 EP |
1713 | { |
1714 | struct wl1271 *wl = hw->priv; | |
6e8cd331 | 1715 | struct wl12xx_vif *wlvif; |
45aa7f07 | 1716 | unsigned long flags; |
4a859df8 EP |
1717 | int ret; |
1718 | ||
402e4861 | 1719 | wl1271_debug(DEBUG_MAC80211, "mac80211 suspend wow=%d", !!wow); |
b95d7cef | 1720 | WARN_ON(!wow); |
f44e5868 | 1721 | |
96caded8 AN |
1722 | /* we want to perform the recovery before suspending */ |
1723 | if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) { | |
1724 | wl1271_warning("postponing suspend to perform recovery"); | |
1725 | return -EBUSY; | |
1726 | } | |
1727 | ||
b9239b66 AN |
1728 | wl1271_tx_flush(wl); |
1729 | ||
c56dbd57 | 1730 | mutex_lock(&wl->mutex); |
6d5a748d | 1731 | |
ab589ac2 | 1732 | ret = pm_runtime_resume_and_get(wl->dev); |
bcb51441 DC |
1733 | if (ret < 0) { |
1734 | mutex_unlock(&wl->mutex); | |
6d5a748d | 1735 | return ret; |
bcb51441 | 1736 | } |
6d5a748d | 1737 | |
4a859df8 | 1738 | wl->wow_enabled = true; |
6e8cd331 | 1739 | wl12xx_for_each_wlvif(wl, wlvif) { |
7845af35 EP |
1740 | if (wlcore_is_p2p_mgmt(wlvif)) |
1741 | continue; | |
1742 | ||
b95d7cef | 1743 | ret = wl1271_configure_suspend(wl, wlvif, wow); |
6e8cd331 | 1744 | if (ret < 0) { |
3e69ed2b | 1745 | goto out_sleep; |
6e8cd331 | 1746 | } |
4a859df8 | 1747 | } |
6d5a748d RA |
1748 | |
1749 | /* disable fast link flow control notifications from FW */ | |
1750 | ret = wlcore_hw_interrupt_notify(wl, false); | |
1751 | if (ret < 0) | |
1752 | goto out_sleep; | |
1753 | ||
1754 | /* if filtering is enabled, configure the FW to drop all RX BA frames */ | |
1755 | ret = wlcore_hw_rx_ba_filter(wl, | |
1756 | !!wl->conf.conn.suspend_rx_ba_activity); | |
1757 | if (ret < 0) | |
1758 | goto out_sleep; | |
1759 | ||
1760 | out_sleep: | |
fa2648a3 | 1761 | pm_runtime_put_noidle(wl->dev); |
c56dbd57 | 1762 | mutex_unlock(&wl->mutex); |
6d5a748d RA |
1763 | |
1764 | if (ret < 0) { | |
1765 | wl1271_warning("couldn't prepare device to suspend"); | |
1766 | return ret; | |
1767 | } | |
1768 | ||
4a859df8 EP |
1769 | /* flush any remaining work */ |
1770 | wl1271_debug(DEBUG_MAC80211, "flushing remaining works"); | |
f44e5868 | 1771 | |
4a859df8 | 1772 | flush_work(&wl->tx_work); |
f44e5868 | 1773 | |
9be86cf0 AN |
1774 | /* |
1775 | * Cancel the watchdog even if above tx_flush failed. We will detect | |
1776 | * it on resume anyway. | |
1777 | */ | |
1778 | cancel_delayed_work(&wl->tx_watchdog_work); | |
1779 | ||
37bf241b | 1780 | /* |
45aa7f07 ER |
1781 | * set suspended flag to avoid triggering a new threaded_irq |
1782 | * work. | |
37bf241b | 1783 | */ |
45aa7f07 ER |
1784 | spin_lock_irqsave(&wl->wl_lock, flags); |
1785 | set_bit(WL1271_FLAG_SUSPENDED, &wl->flags); | |
1786 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
37bf241b | 1787 | |
45aa7f07 | 1788 | return pm_runtime_force_suspend(wl->dev); |
402e4861 EP |
1789 | } |
1790 | ||
7de241f3 | 1791 | static int __maybe_unused wl1271_op_resume(struct ieee80211_hw *hw) |
402e4861 EP |
1792 | { |
1793 | struct wl1271 *wl = hw->priv; | |
6e8cd331 | 1794 | struct wl12xx_vif *wlvif; |
4a859df8 | 1795 | unsigned long flags; |
ea0a3cf9 | 1796 | bool run_irq_work = false, pending_recovery; |
725b8277 | 1797 | int ret; |
4a859df8 | 1798 | |
402e4861 EP |
1799 | wl1271_debug(DEBUG_MAC80211, "mac80211 resume wow=%d", |
1800 | wl->wow_enabled); | |
4a859df8 | 1801 | WARN_ON(!wl->wow_enabled); |
f44e5868 | 1802 | |
45aa7f07 ER |
1803 | ret = pm_runtime_force_resume(wl->dev); |
1804 | if (ret < 0) { | |
1805 | wl1271_error("ELP wakeup failure!"); | |
1806 | goto out_sleep; | |
1807 | } | |
1808 | ||
f44e5868 EP |
1809 | /* |
1810 | * re-enable irq_work enqueuing, and call irq_work directly if | |
1811 | * there is a pending work. | |
1812 | */ | |
4a859df8 EP |
1813 | spin_lock_irqsave(&wl->wl_lock, flags); |
1814 | clear_bit(WL1271_FLAG_SUSPENDED, &wl->flags); | |
1815 | if (test_and_clear_bit(WL1271_FLAG_PENDING_WORK, &wl->flags)) | |
1816 | run_irq_work = true; | |
1817 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
9439064c | 1818 | |
725b8277 AN |
1819 | mutex_lock(&wl->mutex); |
1820 | ||
ea0a3cf9 AN |
1821 | /* test the recovery flag before calling any SDIO functions */ |
1822 | pending_recovery = test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, | |
1823 | &wl->flags); | |
1824 | ||
4a859df8 EP |
1825 | if (run_irq_work) { |
1826 | wl1271_debug(DEBUG_MAC80211, | |
1827 | "run postponed irq_work directly"); | |
ea0a3cf9 AN |
1828 | |
1829 | /* don't talk to the HW if recovery is pending */ | |
725b8277 AN |
1830 | if (!pending_recovery) { |
1831 | ret = wlcore_irq_locked(wl); | |
1832 | if (ret) | |
1833 | wl12xx_queue_recovery_work(wl); | |
1834 | } | |
ea0a3cf9 | 1835 | |
dd5512eb | 1836 | wlcore_enable_interrupts(wl); |
f44e5868 | 1837 | } |
c56dbd57 | 1838 | |
ea0a3cf9 AN |
1839 | if (pending_recovery) { |
1840 | wl1271_warning("queuing forgotten recovery on resume"); | |
1841 | ieee80211_queue_work(wl->hw, &wl->recovery_work); | |
6d5a748d | 1842 | goto out_sleep; |
ea0a3cf9 AN |
1843 | } |
1844 | ||
ab589ac2 MC |
1845 | ret = pm_runtime_resume_and_get(wl->dev); |
1846 | if (ret < 0) | |
6d5a748d RA |
1847 | goto out; |
1848 | ||
6e8cd331 | 1849 | wl12xx_for_each_wlvif(wl, wlvif) { |
7845af35 EP |
1850 | if (wlcore_is_p2p_mgmt(wlvif)) |
1851 | continue; | |
1852 | ||
6e8cd331 EP |
1853 | wl1271_configure_resume(wl, wlvif); |
1854 | } | |
ea0a3cf9 | 1855 | |
6d5a748d RA |
1856 | ret = wlcore_hw_interrupt_notify(wl, true); |
1857 | if (ret < 0) | |
1858 | goto out_sleep; | |
1859 | ||
1860 | /* if filtering is enabled, configure the FW to drop all RX BA frames */ | |
1861 | ret = wlcore_hw_rx_ba_filter(wl, false); | |
1862 | if (ret < 0) | |
1863 | goto out_sleep; | |
1864 | ||
1865 | out_sleep: | |
9b71578d TL |
1866 | pm_runtime_mark_last_busy(wl->dev); |
1867 | pm_runtime_put_autosuspend(wl->dev); | |
6d5a748d | 1868 | |
ea0a3cf9 | 1869 | out: |
ff91afc9 | 1870 | wl->wow_enabled = false; |
9be86cf0 AN |
1871 | |
1872 | /* | |
1873 | * Set a flag to re-init the watchdog on the first Tx after resume. | |
1874 | * That way we avoid possible conditions where Tx-complete interrupts | |
1875 | * fail to arrive and we perform a spurious recovery. | |
1876 | */ | |
1877 | set_bit(WL1271_FLAG_REINIT_TX_WDOG, &wl->flags); | |
c56dbd57 | 1878 | mutex_unlock(&wl->mutex); |
f44e5868 | 1879 | |
402e4861 EP |
1880 | return 0; |
1881 | } | |
1882 | ||
f5fc0f86 | 1883 | static int wl1271_op_start(struct ieee80211_hw *hw) |
1b72aecd JO |
1884 | { |
1885 | wl1271_debug(DEBUG_MAC80211, "mac80211 start"); | |
1886 | ||
1887 | /* | |
1888 | * We have to delay the booting of the hardware because | |
1889 | * we need to know the local MAC address before downloading and | |
1890 | * initializing the firmware. The MAC address cannot be changed | |
1891 | * after boot, and without the proper MAC address, the firmware | |
1892 | * will not function properly. | |
1893 | * | |
1894 | * The MAC address is first known when the corresponding interface | |
1895 | * is added. That is where we will initialize the hardware. | |
1896 | */ | |
1897 | ||
d18da7fc | 1898 | return 0; |
1b72aecd JO |
1899 | } |
1900 | ||
c24ec83b | 1901 | static void wlcore_op_stop_locked(struct wl1271 *wl) |
1b72aecd | 1902 | { |
baf6277a EP |
1903 | int i; |
1904 | ||
4cc53383 | 1905 | if (wl->state == WLCORE_STATE_OFF) { |
b666bb7f IY |
1906 | if (test_and_clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, |
1907 | &wl->flags)) | |
1908 | wlcore_enable_interrupts(wl); | |
1909 | ||
10c8cd01 EP |
1910 | return; |
1911 | } | |
46b0cc9f | 1912 | |
baf6277a EP |
1913 | /* |
1914 | * this must be before the cancel_work calls below, so that the work | |
1915 | * functions don't perform further work. | |
1916 | */ | |
4cc53383 | 1917 | wl->state = WLCORE_STATE_OFF; |
c24ec83b IY |
1918 | |
1919 | /* | |
1920 | * Use the nosync variant to disable interrupts, so the mutex could be | |
1921 | * held while doing so without deadlocking. | |
1922 | */ | |
1923 | wlcore_disable_interrupts_nosync(wl); | |
1924 | ||
10c8cd01 EP |
1925 | mutex_unlock(&wl->mutex); |
1926 | ||
c24ec83b | 1927 | wlcore_synchronize_interrupts(wl); |
6dbc5fc2 EP |
1928 | if (!test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) |
1929 | cancel_work_sync(&wl->recovery_work); | |
baf6277a EP |
1930 | wl1271_flush_deferred_work(wl); |
1931 | cancel_delayed_work_sync(&wl->scan_complete_work); | |
1932 | cancel_work_sync(&wl->netstack_work); | |
1933 | cancel_work_sync(&wl->tx_work); | |
55df5afb | 1934 | cancel_delayed_work_sync(&wl->tx_watchdog_work); |
baf6277a EP |
1935 | |
1936 | /* let's notify MAC80211 about the remaining pending TX frames */ | |
baf6277a | 1937 | mutex_lock(&wl->mutex); |
d935e385 | 1938 | wl12xx_tx_reset(wl); |
baf6277a EP |
1939 | |
1940 | wl1271_power_off(wl); | |
b666bb7f IY |
1941 | /* |
1942 | * In case a recovery was scheduled, interrupts were disabled to avoid | |
1943 | * an interrupt storm. Now that the power is down, it is safe to | |
1944 | * re-enable interrupts to balance the disable depth | |
1945 | */ | |
1946 | if (test_and_clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) | |
1947 | wlcore_enable_interrupts(wl); | |
baf6277a | 1948 | |
57fbcce3 | 1949 | wl->band = NL80211_BAND_2GHZ; |
baf6277a EP |
1950 | |
1951 | wl->rx_counter = 0; | |
1952 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; | |
83d08d3f | 1953 | wl->channel_type = NL80211_CHAN_NO_HT; |
baf6277a EP |
1954 | wl->tx_blocks_available = 0; |
1955 | wl->tx_allocated_blocks = 0; | |
1956 | wl->tx_results_count = 0; | |
1957 | wl->tx_packets_count = 0; | |
1958 | wl->time_offset = 0; | |
baf6277a EP |
1959 | wl->ap_fw_ps_map = 0; |
1960 | wl->ap_ps_map = 0; | |
2f18cf7c | 1961 | wl->sleep_auth = WL1271_PSM_ILLEGAL; |
baf6277a EP |
1962 | memset(wl->roles_map, 0, sizeof(wl->roles_map)); |
1963 | memset(wl->links_map, 0, sizeof(wl->links_map)); | |
1964 | memset(wl->roc_map, 0, sizeof(wl->roc_map)); | |
978cd3a0 | 1965 | memset(wl->session_ids, 0, sizeof(wl->session_ids)); |
02d0727c | 1966 | memset(wl->rx_filter_enabled, 0, sizeof(wl->rx_filter_enabled)); |
baf6277a | 1967 | wl->active_sta_count = 0; |
9a100968 | 1968 | wl->active_link_count = 0; |
baf6277a EP |
1969 | |
1970 | /* The system link is always allocated */ | |
9ebcb232 AN |
1971 | wl->links[WL12XX_SYSTEM_HLID].allocated_pkts = 0; |
1972 | wl->links[WL12XX_SYSTEM_HLID].prev_freed_pkts = 0; | |
baf6277a EP |
1973 | __set_bit(WL12XX_SYSTEM_HLID, wl->links_map); |
1974 | ||
1975 | /* | |
1976 | * this is performed after the cancel_work calls and the associated | |
1977 | * mutex_lock, so that wl1271_op_add_interface does not accidentally | |
1978 | * get executed before all these vars have been reset. | |
1979 | */ | |
1980 | wl->flags = 0; | |
1981 | ||
1982 | wl->tx_blocks_freed = 0; | |
1983 | ||
1984 | for (i = 0; i < NUM_TX_QUEUES; i++) { | |
1985 | wl->tx_pkts_freed[i] = 0; | |
1986 | wl->tx_allocated_pkts[i] = 0; | |
1987 | } | |
1988 | ||
1989 | wl1271_debugfs_reset(wl); | |
1990 | ||
75fb4df7 EP |
1991 | kfree(wl->raw_fw_status); |
1992 | wl->raw_fw_status = NULL; | |
1993 | kfree(wl->fw_status); | |
1994 | wl->fw_status = NULL; | |
baf6277a EP |
1995 | kfree(wl->tx_res_if); |
1996 | wl->tx_res_if = NULL; | |
1997 | kfree(wl->target_mem_map); | |
1998 | wl->target_mem_map = NULL; | |
6b70e7eb VG |
1999 | |
2000 | /* | |
2001 | * FW channels must be re-calibrated after recovery, | |
8d3c1fd8 | 2002 | * save current Reg-Domain channel configuration and clear it. |
6b70e7eb | 2003 | */ |
8d3c1fd8 EP |
2004 | memcpy(wl->reg_ch_conf_pending, wl->reg_ch_conf_last, |
2005 | sizeof(wl->reg_ch_conf_pending)); | |
6b70e7eb | 2006 | memset(wl->reg_ch_conf_last, 0, sizeof(wl->reg_ch_conf_last)); |
c24ec83b IY |
2007 | } |
2008 | ||
2009 | static void wlcore_op_stop(struct ieee80211_hw *hw) | |
2010 | { | |
2011 | struct wl1271 *wl = hw->priv; | |
2012 | ||
2013 | wl1271_debug(DEBUG_MAC80211, "mac80211 stop"); | |
2014 | ||
2015 | mutex_lock(&wl->mutex); | |
2016 | ||
2017 | wlcore_op_stop_locked(wl); | |
baf6277a EP |
2018 | |
2019 | mutex_unlock(&wl->mutex); | |
1b72aecd JO |
2020 | } |
2021 | ||
c50a2825 EP |
2022 | static void wlcore_channel_switch_work(struct work_struct *work) |
2023 | { | |
2024 | struct delayed_work *dwork; | |
2025 | struct wl1271 *wl; | |
2026 | struct ieee80211_vif *vif; | |
2027 | struct wl12xx_vif *wlvif; | |
2028 | int ret; | |
2029 | ||
61383412 | 2030 | dwork = to_delayed_work(work); |
c50a2825 EP |
2031 | wlvif = container_of(dwork, struct wl12xx_vif, channel_switch_work); |
2032 | wl = wlvif->wl; | |
2033 | ||
2034 | wl1271_info("channel switch failed (role_id: %d).", wlvif->role_id); | |
2035 | ||
2036 | mutex_lock(&wl->mutex); | |
2037 | ||
2038 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
2039 | goto out; | |
2040 | ||
2041 | /* check the channel switch is still ongoing */ | |
2042 | if (!test_and_clear_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags)) | |
2043 | goto out; | |
2044 | ||
2045 | vif = wl12xx_wlvif_to_vif(wlvif); | |
2046 | ieee80211_chswitch_done(vif, false); | |
2047 | ||
ab589ac2 MC |
2048 | ret = pm_runtime_resume_and_get(wl->dev); |
2049 | if (ret < 0) | |
c50a2825 EP |
2050 | goto out; |
2051 | ||
2052 | wl12xx_cmd_stop_channel_switch(wl, wlvif); | |
2053 | ||
9b71578d TL |
2054 | pm_runtime_mark_last_busy(wl->dev); |
2055 | pm_runtime_put_autosuspend(wl->dev); | |
c50a2825 EP |
2056 | out: |
2057 | mutex_unlock(&wl->mutex); | |
2058 | } | |
2059 | ||
2060 | static void wlcore_connection_loss_work(struct work_struct *work) | |
2061 | { | |
2062 | struct delayed_work *dwork; | |
2063 | struct wl1271 *wl; | |
2064 | struct ieee80211_vif *vif; | |
2065 | struct wl12xx_vif *wlvif; | |
2066 | ||
61383412 | 2067 | dwork = to_delayed_work(work); |
c50a2825 EP |
2068 | wlvif = container_of(dwork, struct wl12xx_vif, connection_loss_work); |
2069 | wl = wlvif->wl; | |
2070 | ||
2071 | wl1271_info("Connection loss work (role_id: %d).", wlvif->role_id); | |
2072 | ||
2073 | mutex_lock(&wl->mutex); | |
2074 | ||
2075 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
2076 | goto out; | |
2077 | ||
2078 | /* Call mac80211 connection loss */ | |
2079 | if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) | |
2080 | goto out; | |
2081 | ||
2082 | vif = wl12xx_wlvif_to_vif(wlvif); | |
2083 | ieee80211_connection_loss(vif); | |
2084 | out: | |
2085 | mutex_unlock(&wl->mutex); | |
2086 | } | |
2087 | ||
187e52cc AN |
2088 | static void wlcore_pending_auth_complete_work(struct work_struct *work) |
2089 | { | |
2090 | struct delayed_work *dwork; | |
2091 | struct wl1271 *wl; | |
2092 | struct wl12xx_vif *wlvif; | |
2093 | unsigned long time_spare; | |
2094 | int ret; | |
2095 | ||
61383412 | 2096 | dwork = to_delayed_work(work); |
187e52cc AN |
2097 | wlvif = container_of(dwork, struct wl12xx_vif, |
2098 | pending_auth_complete_work); | |
2099 | wl = wlvif->wl; | |
2100 | ||
2101 | mutex_lock(&wl->mutex); | |
2102 | ||
2103 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
2104 | goto out; | |
2105 | ||
2106 | /* | |
2107 | * Make sure a second really passed since the last auth reply. Maybe | |
2108 | * a second auth reply arrived while we were stuck on the mutex. | |
2109 | * Check for a little less than the timeout to protect from scheduler | |
2110 | * irregularities. | |
2111 | */ | |
2112 | time_spare = jiffies + | |
2113 | msecs_to_jiffies(WLCORE_PEND_AUTH_ROC_TIMEOUT - 50); | |
2114 | if (!time_after(time_spare, wlvif->pending_auth_reply_time)) | |
2115 | goto out; | |
2116 | ||
ab589ac2 MC |
2117 | ret = pm_runtime_resume_and_get(wl->dev); |
2118 | if (ret < 0) | |
187e52cc AN |
2119 | goto out; |
2120 | ||
2121 | /* cancel the ROC if active */ | |
2122 | wlcore_update_inconn_sta(wl, wlvif, NULL, false); | |
2123 | ||
9b71578d TL |
2124 | pm_runtime_mark_last_busy(wl->dev); |
2125 | pm_runtime_put_autosuspend(wl->dev); | |
187e52cc AN |
2126 | out: |
2127 | mutex_unlock(&wl->mutex); | |
2128 | } | |
2129 | ||
e5a359f8 EP |
2130 | static int wl12xx_allocate_rate_policy(struct wl1271 *wl, u8 *idx) |
2131 | { | |
2132 | u8 policy = find_first_zero_bit(wl->rate_policies_map, | |
2133 | WL12XX_MAX_RATE_POLICIES); | |
2134 | if (policy >= WL12XX_MAX_RATE_POLICIES) | |
2135 | return -EBUSY; | |
2136 | ||
2137 | __set_bit(policy, wl->rate_policies_map); | |
2138 | *idx = policy; | |
2139 | return 0; | |
2140 | } | |
2141 | ||
2142 | static void wl12xx_free_rate_policy(struct wl1271 *wl, u8 *idx) | |
2143 | { | |
2144 | if (WARN_ON(*idx >= WL12XX_MAX_RATE_POLICIES)) | |
2145 | return; | |
2146 | ||
2147 | __clear_bit(*idx, wl->rate_policies_map); | |
2148 | *idx = WL12XX_MAX_RATE_POLICIES; | |
2149 | } | |
2150 | ||
001e39a8 EP |
2151 | static int wlcore_allocate_klv_template(struct wl1271 *wl, u8 *idx) |
2152 | { | |
2153 | u8 policy = find_first_zero_bit(wl->klv_templates_map, | |
2154 | WLCORE_MAX_KLV_TEMPLATES); | |
2155 | if (policy >= WLCORE_MAX_KLV_TEMPLATES) | |
2156 | return -EBUSY; | |
2157 | ||
2158 | __set_bit(policy, wl->klv_templates_map); | |
2159 | *idx = policy; | |
2160 | return 0; | |
2161 | } | |
2162 | ||
2163 | static void wlcore_free_klv_template(struct wl1271 *wl, u8 *idx) | |
2164 | { | |
2165 | if (WARN_ON(*idx >= WLCORE_MAX_KLV_TEMPLATES)) | |
2166 | return; | |
2167 | ||
2168 | __clear_bit(*idx, wl->klv_templates_map); | |
2169 | *idx = WLCORE_MAX_KLV_TEMPLATES; | |
2170 | } | |
2171 | ||
536129c8 | 2172 | static u8 wl12xx_get_role_type(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
b78b47eb | 2173 | { |
c0174ee2 MH |
2174 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
2175 | ||
536129c8 | 2176 | switch (wlvif->bss_type) { |
b78b47eb | 2177 | case BSS_TYPE_AP_BSS: |
fb0e707c | 2178 | if (wlvif->p2p) |
045c745f | 2179 | return WL1271_ROLE_P2P_GO; |
c0174ee2 MH |
2180 | else if (ieee80211_vif_is_mesh(vif)) |
2181 | return WL1271_ROLE_MESH_POINT; | |
045c745f EP |
2182 | else |
2183 | return WL1271_ROLE_AP; | |
b78b47eb EP |
2184 | |
2185 | case BSS_TYPE_STA_BSS: | |
fb0e707c | 2186 | if (wlvif->p2p) |
045c745f EP |
2187 | return WL1271_ROLE_P2P_CL; |
2188 | else | |
2189 | return WL1271_ROLE_STA; | |
b78b47eb | 2190 | |
227e81e1 EP |
2191 | case BSS_TYPE_IBSS: |
2192 | return WL1271_ROLE_IBSS; | |
2193 | ||
b78b47eb | 2194 | default: |
536129c8 | 2195 | wl1271_error("invalid bss_type: %d", wlvif->bss_type); |
b78b47eb EP |
2196 | } |
2197 | return WL12XX_INVALID_ROLE_TYPE; | |
2198 | } | |
2199 | ||
83587505 | 2200 | static int wl12xx_init_vif_data(struct wl1271 *wl, struct ieee80211_vif *vif) |
87fbcb0f | 2201 | { |
e936bbe0 | 2202 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
e5a359f8 | 2203 | int i; |
e936bbe0 | 2204 | |
48e93e40 EP |
2205 | /* clear everything but the persistent data */ |
2206 | memset(wlvif, 0, offsetof(struct wl12xx_vif, persistent)); | |
e936bbe0 EP |
2207 | |
2208 | switch (ieee80211_vif_type_p2p(vif)) { | |
2209 | case NL80211_IFTYPE_P2P_CLIENT: | |
2210 | wlvif->p2p = 1; | |
a821e385 | 2211 | fallthrough; |
e936bbe0 | 2212 | case NL80211_IFTYPE_STATION: |
7845af35 | 2213 | case NL80211_IFTYPE_P2P_DEVICE: |
e936bbe0 EP |
2214 | wlvif->bss_type = BSS_TYPE_STA_BSS; |
2215 | break; | |
2216 | case NL80211_IFTYPE_ADHOC: | |
2217 | wlvif->bss_type = BSS_TYPE_IBSS; | |
2218 | break; | |
2219 | case NL80211_IFTYPE_P2P_GO: | |
2220 | wlvif->p2p = 1; | |
a821e385 | 2221 | fallthrough; |
e936bbe0 | 2222 | case NL80211_IFTYPE_AP: |
c0174ee2 | 2223 | case NL80211_IFTYPE_MESH_POINT: |
e936bbe0 EP |
2224 | wlvif->bss_type = BSS_TYPE_AP_BSS; |
2225 | break; | |
2226 | default: | |
2227 | wlvif->bss_type = MAX_BSS_TYPE; | |
2228 | return -EOPNOTSUPP; | |
2229 | } | |
2230 | ||
0603d891 | 2231 | wlvif->role_id = WL12XX_INVALID_ROLE_ID; |
7edebf56 | 2232 | wlvif->dev_role_id = WL12XX_INVALID_ROLE_ID; |
afaf8bdb | 2233 | wlvif->dev_hlid = WL12XX_INVALID_LINK_ID; |
a8ab39a4 | 2234 | |
e936bbe0 EP |
2235 | if (wlvif->bss_type == BSS_TYPE_STA_BSS || |
2236 | wlvif->bss_type == BSS_TYPE_IBSS) { | |
2237 | /* init sta/ibss data */ | |
2238 | wlvif->sta.hlid = WL12XX_INVALID_LINK_ID; | |
e5a359f8 EP |
2239 | wl12xx_allocate_rate_policy(wl, &wlvif->sta.basic_rate_idx); |
2240 | wl12xx_allocate_rate_policy(wl, &wlvif->sta.ap_rate_idx); | |
2241 | wl12xx_allocate_rate_policy(wl, &wlvif->sta.p2p_rate_idx); | |
001e39a8 | 2242 | wlcore_allocate_klv_template(wl, &wlvif->sta.klv_template_id); |
15e05bc0 LC |
2243 | wlvif->basic_rate_set = CONF_TX_RATE_MASK_BASIC; |
2244 | wlvif->basic_rate = CONF_TX_RATE_MASK_BASIC; | |
2245 | wlvif->rate_set = CONF_TX_RATE_MASK_BASIC; | |
e936bbe0 EP |
2246 | } else { |
2247 | /* init ap data */ | |
2248 | wlvif->ap.bcast_hlid = WL12XX_INVALID_LINK_ID; | |
2249 | wlvif->ap.global_hlid = WL12XX_INVALID_LINK_ID; | |
e5a359f8 EP |
2250 | wl12xx_allocate_rate_policy(wl, &wlvif->ap.mgmt_rate_idx); |
2251 | wl12xx_allocate_rate_policy(wl, &wlvif->ap.bcast_rate_idx); | |
2252 | for (i = 0; i < CONF_TX_MAX_AC_COUNT; i++) | |
2253 | wl12xx_allocate_rate_policy(wl, | |
2254 | &wlvif->ap.ucast_rate_idx[i]); | |
42ec1f82 | 2255 | wlvif->basic_rate_set = CONF_TX_ENABLED_RATES; |
15e05bc0 LC |
2256 | /* |
2257 | * TODO: check if basic_rate shouldn't be | |
2258 | * wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); | |
2259 | * instead (the same thing for STA above). | |
2260 | */ | |
42ec1f82 | 2261 | wlvif->basic_rate = CONF_TX_ENABLED_RATES; |
15e05bc0 | 2262 | /* TODO: this seems to be used only for STA, check it */ |
42ec1f82 | 2263 | wlvif->rate_set = CONF_TX_ENABLED_RATES; |
e936bbe0 | 2264 | } |
a8ab39a4 | 2265 | |
57fbcce3 JB |
2266 | wlvif->bitrate_masks[NL80211_BAND_2GHZ] = wl->conf.tx.basic_rate; |
2267 | wlvif->bitrate_masks[NL80211_BAND_5GHZ] = wl->conf.tx.basic_rate_5; | |
6a899796 EP |
2268 | wlvif->beacon_int = WL1271_DEFAULT_BEACON_INT; |
2269 | ||
1b92f15e EP |
2270 | /* |
2271 | * mac80211 configures some values globally, while we treat them | |
2272 | * per-interface. thus, on init, we have to copy them from wl | |
2273 | */ | |
2274 | wlvif->band = wl->band; | |
61f845f4 | 2275 | wlvif->channel = wl->channel; |
6bd65029 | 2276 | wlvif->power_level = wl->power_level; |
83d08d3f | 2277 | wlvif->channel_type = wl->channel_type; |
1b92f15e | 2278 | |
9eb599e9 EP |
2279 | INIT_WORK(&wlvif->rx_streaming_enable_work, |
2280 | wl1271_rx_streaming_enable_work); | |
2281 | INIT_WORK(&wlvif->rx_streaming_disable_work, | |
2282 | wl1271_rx_streaming_disable_work); | |
7d3b29e5 | 2283 | INIT_WORK(&wlvif->rc_update_work, wlcore_rc_update_work); |
c50a2825 EP |
2284 | INIT_DELAYED_WORK(&wlvif->channel_switch_work, |
2285 | wlcore_channel_switch_work); | |
2286 | INIT_DELAYED_WORK(&wlvif->connection_loss_work, | |
2287 | wlcore_connection_loss_work); | |
187e52cc AN |
2288 | INIT_DELAYED_WORK(&wlvif->pending_auth_complete_work, |
2289 | wlcore_pending_auth_complete_work); | |
87627214 | 2290 | INIT_LIST_HEAD(&wlvif->list); |
252efa4f | 2291 | |
e99e88a9 | 2292 | timer_setup(&wlvif->rx_streaming_timer, wl1271_rx_streaming_timer, 0); |
e936bbe0 | 2293 | return 0; |
87fbcb0f EP |
2294 | } |
2295 | ||
5dc283fe | 2296 | static int wl12xx_init_fw(struct wl1271 *wl) |
f5fc0f86 | 2297 | { |
9ccd9217 | 2298 | int retries = WL1271_BOOT_RETRIES; |
71125abd | 2299 | bool booted = false; |
1d095475 EP |
2300 | struct wiphy *wiphy = wl->hw->wiphy; |
2301 | int ret; | |
f5fc0f86 | 2302 | |
9ccd9217 JO |
2303 | while (retries) { |
2304 | retries--; | |
3fcdab70 | 2305 | ret = wl12xx_chip_wakeup(wl, false); |
9ccd9217 JO |
2306 | if (ret < 0) |
2307 | goto power_off; | |
f5fc0f86 | 2308 | |
dd5512eb | 2309 | ret = wl->ops->boot(wl); |
9ccd9217 JO |
2310 | if (ret < 0) |
2311 | goto power_off; | |
f5fc0f86 | 2312 | |
92c77c73 EP |
2313 | ret = wl1271_hw_init(wl); |
2314 | if (ret < 0) | |
2315 | goto irq_disable; | |
2316 | ||
71125abd EP |
2317 | booted = true; |
2318 | break; | |
eb5b28d0 | 2319 | |
9ccd9217 | 2320 | irq_disable: |
9ccd9217 JO |
2321 | mutex_unlock(&wl->mutex); |
2322 | /* Unlocking the mutex in the middle of handling is | |
2323 | inherently unsafe. In this case we deem it safe to do, | |
2324 | because we need to let any possibly pending IRQ out of | |
4cc53383 | 2325 | the system (and while we are WLCORE_STATE_OFF the IRQ |
9ccd9217 JO |
2326 | work function will not do anything.) Also, any other |
2327 | possible concurrent operations will fail due to the | |
2328 | current state, hence the wl1271 struct should be safe. */ | |
dd5512eb | 2329 | wlcore_disable_interrupts(wl); |
a620865e IY |
2330 | wl1271_flush_deferred_work(wl); |
2331 | cancel_work_sync(&wl->netstack_work); | |
9ccd9217 JO |
2332 | mutex_lock(&wl->mutex); |
2333 | power_off: | |
2334 | wl1271_power_off(wl); | |
2335 | } | |
eb5b28d0 | 2336 | |
71125abd EP |
2337 | if (!booted) { |
2338 | wl1271_error("firmware boot failed despite %d retries", | |
2339 | WL1271_BOOT_RETRIES); | |
2340 | goto out; | |
2341 | } | |
2342 | ||
4b7fac77 | 2343 | wl1271_info("firmware booted (%s)", wl->chip.fw_ver_str); |
71125abd EP |
2344 | |
2345 | /* update hw/fw version info in wiphy struct */ | |
2346 | wiphy->hw_version = wl->chip.id; | |
4b7fac77 | 2347 | strncpy(wiphy->fw_version, wl->chip.fw_ver_str, |
71125abd EP |
2348 | sizeof(wiphy->fw_version)); |
2349 | ||
fb6a6819 LC |
2350 | /* |
2351 | * Now we know if 11a is supported (info from the NVS), so disable | |
2352 | * 11a channels if not supported | |
2353 | */ | |
2354 | if (!wl->enable_11a) | |
57fbcce3 | 2355 | wiphy->bands[NL80211_BAND_5GHZ]->n_channels = 0; |
fb6a6819 LC |
2356 | |
2357 | wl1271_debug(DEBUG_MAC80211, "11a is %ssupported", | |
2358 | wl->enable_11a ? "" : "not "); | |
2359 | ||
4cc53383 | 2360 | wl->state = WLCORE_STATE_ON; |
1d095475 | 2361 | out: |
5dc283fe | 2362 | return ret; |
1d095475 EP |
2363 | } |
2364 | ||
92e712da EP |
2365 | static bool wl12xx_dev_role_started(struct wl12xx_vif *wlvif) |
2366 | { | |
2367 | return wlvif->dev_hlid != WL12XX_INVALID_LINK_ID; | |
2368 | } | |
2369 | ||
4549d09c EP |
2370 | /* |
2371 | * Check whether a fw switch (i.e. moving from one loaded | |
2372 | * fw to another) is needed. This function is also responsible | |
2373 | * for updating wl->last_vif_count, so it must be called before | |
2374 | * loading a non-plt fw (so the correct fw (single-role/multi-role) | |
2375 | * will be used). | |
2376 | */ | |
2377 | static bool wl12xx_need_fw_change(struct wl1271 *wl, | |
2378 | struct vif_counter_data vif_counter_data, | |
2379 | bool add) | |
2380 | { | |
2381 | enum wl12xx_fw_type current_fw = wl->fw_type; | |
2382 | u8 vif_count = vif_counter_data.counter; | |
2383 | ||
2384 | if (test_bit(WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, &wl->flags)) | |
2385 | return false; | |
2386 | ||
2387 | /* increase the vif count if this is a new vif */ | |
2388 | if (add && !vif_counter_data.cur_vif_running) | |
2389 | vif_count++; | |
2390 | ||
2391 | wl->last_vif_count = vif_count; | |
2392 | ||
2393 | /* no need for fw change if the device is OFF */ | |
4cc53383 | 2394 | if (wl->state == WLCORE_STATE_OFF) |
4549d09c EP |
2395 | return false; |
2396 | ||
9b1a0a77 EP |
2397 | /* no need for fw change if a single fw is used */ |
2398 | if (!wl->mr_fw_name) | |
2399 | return false; | |
2400 | ||
4549d09c EP |
2401 | if (vif_count > 1 && current_fw == WL12XX_FW_TYPE_NORMAL) |
2402 | return true; | |
2403 | if (vif_count <= 1 && current_fw == WL12XX_FW_TYPE_MULTI) | |
2404 | return true; | |
2405 | ||
2406 | return false; | |
2407 | } | |
2408 | ||
3dee4393 EP |
2409 | /* |
2410 | * Enter "forced psm". Make sure the sta is in psm against the ap, | |
2411 | * to make the fw switch a bit more disconnection-persistent. | |
2412 | */ | |
2413 | static void wl12xx_force_active_psm(struct wl1271 *wl) | |
2414 | { | |
2415 | struct wl12xx_vif *wlvif; | |
2416 | ||
2417 | wl12xx_for_each_wlvif_sta(wl, wlvif) { | |
2418 | wl1271_ps_set_mode(wl, wlvif, STATION_POWER_SAVE_MODE); | |
2419 | } | |
2420 | } | |
2421 | ||
1c33db78 AN |
2422 | struct wlcore_hw_queue_iter_data { |
2423 | unsigned long hw_queue_map[BITS_TO_LONGS(WLCORE_NUM_MAC_ADDRESSES)]; | |
2424 | /* current vif */ | |
2425 | struct ieee80211_vif *vif; | |
2426 | /* is the current vif among those iterated */ | |
2427 | bool cur_running; | |
2428 | }; | |
2429 | ||
2430 | static void wlcore_hw_queue_iter(void *data, u8 *mac, | |
2431 | struct ieee80211_vif *vif) | |
2432 | { | |
2433 | struct wlcore_hw_queue_iter_data *iter_data = data; | |
2434 | ||
7845af35 EP |
2435 | if (vif->type == NL80211_IFTYPE_P2P_DEVICE || |
2436 | WARN_ON_ONCE(vif->hw_queue[0] == IEEE80211_INVAL_HW_QUEUE)) | |
1c33db78 AN |
2437 | return; |
2438 | ||
2439 | if (iter_data->cur_running || vif == iter_data->vif) { | |
2440 | iter_data->cur_running = true; | |
2441 | return; | |
2442 | } | |
2443 | ||
2444 | __set_bit(vif->hw_queue[0] / NUM_TX_QUEUES, iter_data->hw_queue_map); | |
2445 | } | |
2446 | ||
2447 | static int wlcore_allocate_hw_queue_base(struct wl1271 *wl, | |
2448 | struct wl12xx_vif *wlvif) | |
2449 | { | |
2450 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); | |
2451 | struct wlcore_hw_queue_iter_data iter_data = {}; | |
2452 | int i, q_base; | |
2453 | ||
7845af35 EP |
2454 | if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { |
2455 | vif->cab_queue = IEEE80211_INVAL_HW_QUEUE; | |
2456 | return 0; | |
2457 | } | |
2458 | ||
1c33db78 AN |
2459 | iter_data.vif = vif; |
2460 | ||
2461 | /* mark all bits taken by active interfaces */ | |
2462 | ieee80211_iterate_active_interfaces_atomic(wl->hw, | |
2463 | IEEE80211_IFACE_ITER_RESUME_ALL, | |
2464 | wlcore_hw_queue_iter, &iter_data); | |
2465 | ||
2466 | /* the current vif is already running in mac80211 (resume/recovery) */ | |
2467 | if (iter_data.cur_running) { | |
2468 | wlvif->hw_queue_base = vif->hw_queue[0]; | |
2469 | wl1271_debug(DEBUG_MAC80211, | |
2470 | "using pre-allocated hw queue base %d", | |
2471 | wlvif->hw_queue_base); | |
2472 | ||
2473 | /* interface type might have changed type */ | |
2474 | goto adjust_cab_queue; | |
2475 | } | |
2476 | ||
2477 | q_base = find_first_zero_bit(iter_data.hw_queue_map, | |
2478 | WLCORE_NUM_MAC_ADDRESSES); | |
2479 | if (q_base >= WLCORE_NUM_MAC_ADDRESSES) | |
2480 | return -EBUSY; | |
2481 | ||
2482 | wlvif->hw_queue_base = q_base * NUM_TX_QUEUES; | |
2483 | wl1271_debug(DEBUG_MAC80211, "allocating hw queue base: %d", | |
2484 | wlvif->hw_queue_base); | |
2485 | ||
2486 | for (i = 0; i < NUM_TX_QUEUES; i++) { | |
2487 | wl->queue_stop_reasons[wlvif->hw_queue_base + i] = 0; | |
2488 | /* register hw queues in mac80211 */ | |
2489 | vif->hw_queue[i] = wlvif->hw_queue_base + i; | |
2490 | } | |
2491 | ||
2492 | adjust_cab_queue: | |
2493 | /* the last places are reserved for cab queues per interface */ | |
2494 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) | |
2495 | vif->cab_queue = NUM_TX_QUEUES * WLCORE_NUM_MAC_ADDRESSES + | |
2496 | wlvif->hw_queue_base / NUM_TX_QUEUES; | |
2497 | else | |
2498 | vif->cab_queue = IEEE80211_INVAL_HW_QUEUE; | |
2499 | ||
2500 | return 0; | |
2501 | } | |
2502 | ||
1d095475 EP |
2503 | static int wl1271_op_add_interface(struct ieee80211_hw *hw, |
2504 | struct ieee80211_vif *vif) | |
2505 | { | |
2506 | struct wl1271 *wl = hw->priv; | |
2507 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
4549d09c | 2508 | struct vif_counter_data vif_count; |
1d095475 EP |
2509 | int ret = 0; |
2510 | u8 role_type; | |
1d095475 | 2511 | |
dd491ffb YS |
2512 | if (wl->plt) { |
2513 | wl1271_error("Adding Interface not allowed while in PLT mode"); | |
2514 | return -EBUSY; | |
2515 | } | |
2516 | ||
ea086359 | 2517 | vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | |
848955cc | 2518 | IEEE80211_VIF_SUPPORTS_UAPSD | |
ea086359 | 2519 | IEEE80211_VIF_SUPPORTS_CQM_RSSI; |
c1288b12 | 2520 | |
1d095475 EP |
2521 | wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", |
2522 | ieee80211_vif_type_p2p(vif), vif->addr); | |
2523 | ||
4549d09c EP |
2524 | wl12xx_get_vif_count(hw, vif, &vif_count); |
2525 | ||
1d095475 | 2526 | mutex_lock(&wl->mutex); |
f750c820 | 2527 | |
1d095475 EP |
2528 | /* |
2529 | * in some very corner case HW recovery scenarios its possible to | |
2530 | * get here before __wl1271_op_remove_interface is complete, so | |
2531 | * opt out if that is the case. | |
2532 | */ | |
10c8cd01 EP |
2533 | if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags) || |
2534 | test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) { | |
1d095475 EP |
2535 | ret = -EBUSY; |
2536 | goto out; | |
2537 | } | |
2538 | ||
3fcdab70 | 2539 | |
83587505 | 2540 | ret = wl12xx_init_vif_data(wl, vif); |
1d095475 EP |
2541 | if (ret < 0) |
2542 | goto out; | |
2543 | ||
2544 | wlvif->wl = wl; | |
2545 | role_type = wl12xx_get_role_type(wl, wlvif); | |
2546 | if (role_type == WL12XX_INVALID_ROLE_TYPE) { | |
2547 | ret = -EINVAL; | |
2548 | goto out; | |
2549 | } | |
2550 | ||
1c33db78 AN |
2551 | ret = wlcore_allocate_hw_queue_base(wl, wlvif); |
2552 | if (ret < 0) | |
2553 | goto out; | |
2554 | ||
1d095475 EP |
2555 | /* |
2556 | * TODO: after the nvs issue will be solved, move this block | |
2557 | * to start(), and make sure here the driver is ON. | |
2558 | */ | |
4cc53383 | 2559 | if (wl->state == WLCORE_STATE_OFF) { |
1d095475 EP |
2560 | /* |
2561 | * we still need this in order to configure the fw | |
2562 | * while uploading the nvs | |
2563 | */ | |
5e037e74 | 2564 | memcpy(wl->addresses[0].addr, vif->addr, ETH_ALEN); |
1d095475 | 2565 | |
5dc283fe LC |
2566 | ret = wl12xx_init_fw(wl); |
2567 | if (ret < 0) | |
1d095475 | 2568 | goto out; |
1d095475 EP |
2569 | } |
2570 | ||
c40aad28 TL |
2571 | /* |
2572 | * Call runtime PM only after possible wl12xx_init_fw() above | |
2573 | * is done. Otherwise we do not have interrupts enabled. | |
2574 | */ | |
ab589ac2 MC |
2575 | ret = pm_runtime_resume_and_get(wl->dev); |
2576 | if (ret < 0) | |
c40aad28 | 2577 | goto out_unlock; |
c40aad28 TL |
2578 | |
2579 | if (wl12xx_need_fw_change(wl, vif_count, true)) { | |
2580 | wl12xx_force_active_psm(wl); | |
2581 | set_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags); | |
2582 | mutex_unlock(&wl->mutex); | |
2583 | wl1271_recovery_work(&wl->recovery_work); | |
2584 | return 0; | |
2585 | } | |
2586 | ||
7845af35 EP |
2587 | if (!wlcore_is_p2p_mgmt(wlvif)) { |
2588 | ret = wl12xx_cmd_role_enable(wl, vif->addr, | |
2589 | role_type, &wlvif->role_id); | |
2590 | if (ret < 0) | |
2591 | goto out; | |
1d095475 | 2592 | |
7845af35 EP |
2593 | ret = wl1271_init_vif_specific(wl, vif); |
2594 | if (ret < 0) | |
2595 | goto out; | |
2596 | ||
2597 | } else { | |
2598 | ret = wl12xx_cmd_role_enable(wl, vif->addr, WL1271_ROLE_DEVICE, | |
2599 | &wlvif->dev_role_id); | |
2600 | if (ret < 0) | |
2601 | goto out; | |
2602 | ||
2603 | /* needed mainly for configuring rate policies */ | |
2604 | ret = wl1271_sta_hw_init(wl, wlvif); | |
2605 | if (ret < 0) | |
2606 | goto out; | |
2607 | } | |
1d095475 | 2608 | |
87627214 | 2609 | list_add(&wlvif->list, &wl->wlvif_list); |
10c8cd01 | 2610 | set_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags); |
a4e4130d EP |
2611 | |
2612 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) | |
2613 | wl->ap_count++; | |
2614 | else | |
2615 | wl->sta_count++; | |
eb5b28d0 | 2616 | out: |
9b71578d TL |
2617 | pm_runtime_mark_last_busy(wl->dev); |
2618 | pm_runtime_put_autosuspend(wl->dev); | |
f750c820 | 2619 | out_unlock: |
f5fc0f86 LC |
2620 | mutex_unlock(&wl->mutex); |
2621 | ||
2622 | return ret; | |
2623 | } | |
2624 | ||
7dece1c8 | 2625 | static void __wl1271_op_remove_interface(struct wl1271 *wl, |
536129c8 | 2626 | struct ieee80211_vif *vif, |
7dece1c8 | 2627 | bool reset_tx_queues) |
f5fc0f86 | 2628 | { |
536129c8 | 2629 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
e5a359f8 | 2630 | int i, ret; |
2f18cf7c | 2631 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); |
f5fc0f86 | 2632 | |
1b72aecd | 2633 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); |
f5fc0f86 | 2634 | |
10c8cd01 EP |
2635 | if (!test_and_clear_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) |
2636 | return; | |
2637 | ||
13026dec | 2638 | /* because of hardware recovery, we may get here twice */ |
4cc53383 | 2639 | if (wl->state == WLCORE_STATE_OFF) |
13026dec JO |
2640 | return; |
2641 | ||
1b72aecd | 2642 | wl1271_info("down"); |
f5fc0f86 | 2643 | |
baf6277a | 2644 | if (wl->scan.state != WL1271_SCAN_STATE_IDLE && |
c50a2825 | 2645 | wl->scan_wlvif == wlvif) { |
7947d3e0 AS |
2646 | struct cfg80211_scan_info info = { |
2647 | .aborted = true, | |
2648 | }; | |
2649 | ||
55df5afb AN |
2650 | /* |
2651 | * Rearm the tx watchdog just before idling scan. This | |
2652 | * prevents just-finished scans from triggering the watchdog | |
2653 | */ | |
2654 | wl12xx_rearm_tx_watchdog_locked(wl); | |
2655 | ||
08688d6b | 2656 | wl->scan.state = WL1271_SCAN_STATE_IDLE; |
4a31c11c | 2657 | memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); |
c50a2825 | 2658 | wl->scan_wlvif = NULL; |
b739a42c | 2659 | wl->scan.req = NULL; |
7947d3e0 | 2660 | ieee80211_scan_completed(wl->hw, &info); |
f5fc0f86 LC |
2661 | } |
2662 | ||
5a441f5f | 2663 | if (wl->sched_vif == wlvif) |
10199756 | 2664 | wl->sched_vif = NULL; |
10199756 | 2665 | |
5d979f35 AN |
2666 | if (wl->roc_vif == vif) { |
2667 | wl->roc_vif = NULL; | |
2668 | ieee80211_remain_on_channel_expired(wl->hw); | |
2669 | } | |
2670 | ||
b78b47eb EP |
2671 | if (!test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) { |
2672 | /* disable active roles */ | |
ab589ac2 MC |
2673 | ret = pm_runtime_resume_and_get(wl->dev); |
2674 | if (ret < 0) | |
b78b47eb EP |
2675 | goto deinit; |
2676 | ||
b890f4c3 EP |
2677 | if (wlvif->bss_type == BSS_TYPE_STA_BSS || |
2678 | wlvif->bss_type == BSS_TYPE_IBSS) { | |
2679 | if (wl12xx_dev_role_started(wlvif)) | |
2680 | wl12xx_stop_dev(wl, wlvif); | |
04e8079c EP |
2681 | } |
2682 | ||
7845af35 EP |
2683 | if (!wlcore_is_p2p_mgmt(wlvif)) { |
2684 | ret = wl12xx_cmd_role_disable(wl, &wlvif->role_id); | |
53df5271 DL |
2685 | if (ret < 0) { |
2686 | pm_runtime_put_noidle(wl->dev); | |
7845af35 | 2687 | goto deinit; |
53df5271 | 2688 | } |
7845af35 EP |
2689 | } else { |
2690 | ret = wl12xx_cmd_role_disable(wl, &wlvif->dev_role_id); | |
53df5271 DL |
2691 | if (ret < 0) { |
2692 | pm_runtime_put_noidle(wl->dev); | |
7845af35 | 2693 | goto deinit; |
53df5271 | 2694 | } |
7845af35 | 2695 | } |
b78b47eb | 2696 | |
9b71578d TL |
2697 | pm_runtime_mark_last_busy(wl->dev); |
2698 | pm_runtime_put_autosuspend(wl->dev); | |
b78b47eb EP |
2699 | } |
2700 | deinit: | |
5a99610c AN |
2701 | wl12xx_tx_reset_wlvif(wl, wlvif); |
2702 | ||
e51ae9be | 2703 | /* clear all hlids (except system_hlid) */ |
afaf8bdb | 2704 | wlvif->dev_hlid = WL12XX_INVALID_LINK_ID; |
e5a359f8 EP |
2705 | |
2706 | if (wlvif->bss_type == BSS_TYPE_STA_BSS || | |
2707 | wlvif->bss_type == BSS_TYPE_IBSS) { | |
2708 | wlvif->sta.hlid = WL12XX_INVALID_LINK_ID; | |
2709 | wl12xx_free_rate_policy(wl, &wlvif->sta.basic_rate_idx); | |
2710 | wl12xx_free_rate_policy(wl, &wlvif->sta.ap_rate_idx); | |
2711 | wl12xx_free_rate_policy(wl, &wlvif->sta.p2p_rate_idx); | |
001e39a8 | 2712 | wlcore_free_klv_template(wl, &wlvif->sta.klv_template_id); |
e5a359f8 EP |
2713 | } else { |
2714 | wlvif->ap.bcast_hlid = WL12XX_INVALID_LINK_ID; | |
2715 | wlvif->ap.global_hlid = WL12XX_INVALID_LINK_ID; | |
2716 | wl12xx_free_rate_policy(wl, &wlvif->ap.mgmt_rate_idx); | |
2717 | wl12xx_free_rate_policy(wl, &wlvif->ap.bcast_rate_idx); | |
2718 | for (i = 0; i < CONF_TX_MAX_AC_COUNT; i++) | |
2719 | wl12xx_free_rate_policy(wl, | |
2720 | &wlvif->ap.ucast_rate_idx[i]); | |
830be7e0 | 2721 | wl1271_free_ap_keys(wl, wlvif); |
e5a359f8 | 2722 | } |
b78b47eb | 2723 | |
3eba4a0e ES |
2724 | dev_kfree_skb(wlvif->probereq); |
2725 | wlvif->probereq = NULL; | |
e4120df9 EP |
2726 | if (wl->last_wlvif == wlvif) |
2727 | wl->last_wlvif = NULL; | |
87627214 | 2728 | list_del(&wlvif->list); |
c7ffb902 | 2729 | memset(wlvif->ap.sta_hlid_map, 0, sizeof(wlvif->ap.sta_hlid_map)); |
0603d891 | 2730 | wlvif->role_id = WL12XX_INVALID_ROLE_ID; |
7edebf56 | 2731 | wlvif->dev_role_id = WL12XX_INVALID_ROLE_ID; |
d6e19d13 | 2732 | |
2f18cf7c | 2733 | if (is_ap) |
a4e4130d EP |
2734 | wl->ap_count--; |
2735 | else | |
2736 | wl->sta_count--; | |
2737 | ||
42066f9a AN |
2738 | /* |
2739 | * Last AP, have more stations. Configure sleep auth according to STA. | |
2740 | * Don't do thin on unintended recovery. | |
2741 | */ | |
2742 | if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags) && | |
2743 | !test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags)) | |
2744 | goto unlock; | |
2745 | ||
71e996be EP |
2746 | if (wl->ap_count == 0 && is_ap) { |
2747 | /* mask ap events */ | |
2748 | wl->event_mask &= ~wl->ap_event_mask; | |
2749 | wl1271_event_unmask(wl); | |
2750 | } | |
2751 | ||
2f18cf7c AN |
2752 | if (wl->ap_count == 0 && is_ap && wl->sta_count) { |
2753 | u8 sta_auth = wl->conf.conn.sta_sleep_auth; | |
2754 | /* Configure for power according to debugfs */ | |
2755 | if (sta_auth != WL1271_PSM_ILLEGAL) | |
2756 | wl1271_acx_sleep_auth(wl, sta_auth); | |
2f18cf7c AN |
2757 | /* Configure for ELP power saving */ |
2758 | else | |
2759 | wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP); | |
2760 | } | |
2761 | ||
42066f9a | 2762 | unlock: |
baf6277a | 2763 | mutex_unlock(&wl->mutex); |
d6bf9ada | 2764 | |
9eb599e9 EP |
2765 | del_timer_sync(&wlvif->rx_streaming_timer); |
2766 | cancel_work_sync(&wlvif->rx_streaming_enable_work); | |
2767 | cancel_work_sync(&wlvif->rx_streaming_disable_work); | |
7d3b29e5 | 2768 | cancel_work_sync(&wlvif->rc_update_work); |
c50a2825 | 2769 | cancel_delayed_work_sync(&wlvif->connection_loss_work); |
c838478b | 2770 | cancel_delayed_work_sync(&wlvif->channel_switch_work); |
187e52cc | 2771 | cancel_delayed_work_sync(&wlvif->pending_auth_complete_work); |
bd9dc49c | 2772 | |
baf6277a | 2773 | mutex_lock(&wl->mutex); |
52a2a375 | 2774 | } |
bd9dc49c | 2775 | |
52a2a375 JO |
2776 | static void wl1271_op_remove_interface(struct ieee80211_hw *hw, |
2777 | struct ieee80211_vif *vif) | |
2778 | { | |
2779 | struct wl1271 *wl = hw->priv; | |
10c8cd01 | 2780 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
6e8cd331 | 2781 | struct wl12xx_vif *iter; |
4549d09c | 2782 | struct vif_counter_data vif_count; |
52a2a375 | 2783 | |
4549d09c | 2784 | wl12xx_get_vif_count(hw, vif, &vif_count); |
52a2a375 | 2785 | mutex_lock(&wl->mutex); |
10c8cd01 | 2786 | |
4cc53383 | 2787 | if (wl->state == WLCORE_STATE_OFF || |
10c8cd01 EP |
2788 | !test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) |
2789 | goto out; | |
2790 | ||
67353299 JO |
2791 | /* |
2792 | * wl->vif can be null here if someone shuts down the interface | |
2793 | * just when hardware recovery has been started. | |
2794 | */ | |
6e8cd331 EP |
2795 | wl12xx_for_each_wlvif(wl, iter) { |
2796 | if (iter != wlvif) | |
2797 | continue; | |
2798 | ||
536129c8 | 2799 | __wl1271_op_remove_interface(wl, vif, true); |
6e8cd331 | 2800 | break; |
67353299 | 2801 | } |
6e8cd331 | 2802 | WARN_ON(iter != wlvif); |
4549d09c | 2803 | if (wl12xx_need_fw_change(wl, vif_count, false)) { |
3dee4393 | 2804 | wl12xx_force_active_psm(wl); |
e9ba7152 | 2805 | set_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags); |
4549d09c | 2806 | wl12xx_queue_recovery_work(wl); |
4549d09c | 2807 | } |
10c8cd01 | 2808 | out: |
67353299 | 2809 | mutex_unlock(&wl->mutex); |
f5fc0f86 LC |
2810 | } |
2811 | ||
c0fad1b7 EP |
2812 | static int wl12xx_op_change_interface(struct ieee80211_hw *hw, |
2813 | struct ieee80211_vif *vif, | |
2814 | enum nl80211_iftype new_type, bool p2p) | |
2815 | { | |
4549d09c EP |
2816 | struct wl1271 *wl = hw->priv; |
2817 | int ret; | |
2818 | ||
2819 | set_bit(WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, &wl->flags); | |
c0fad1b7 EP |
2820 | wl1271_op_remove_interface(hw, vif); |
2821 | ||
249e9698 | 2822 | vif->type = new_type; |
c0fad1b7 | 2823 | vif->p2p = p2p; |
4549d09c EP |
2824 | ret = wl1271_op_add_interface(hw, vif); |
2825 | ||
2826 | clear_bit(WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, &wl->flags); | |
2827 | return ret; | |
c0fad1b7 EP |
2828 | } |
2829 | ||
3230f35e | 2830 | static int wlcore_join(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
82429d32 JO |
2831 | { |
2832 | int ret; | |
536129c8 | 2833 | bool is_ibss = (wlvif->bss_type == BSS_TYPE_IBSS); |
82429d32 | 2834 | |
69e5434c JO |
2835 | /* |
2836 | * One of the side effects of the JOIN command is that is clears | |
2837 | * WPA/WPA2 keys from the chipset. Performing a JOIN while associated | |
2838 | * to a WPA/WPA2 access point will therefore kill the data-path. | |
8bf69aae OBC |
2839 | * Currently the only valid scenario for JOIN during association |
2840 | * is on roaming, in which case we will also be given new keys. | |
2841 | * Keep the below message for now, unless it starts bothering | |
2842 | * users who really like to roam a lot :) | |
69e5434c | 2843 | */ |
ba8447f6 | 2844 | if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
69e5434c JO |
2845 | wl1271_info("JOIN while associated."); |
2846 | ||
5ec8a448 EP |
2847 | /* clear encryption type */ |
2848 | wlvif->encryption_type = KEY_NONE; | |
2849 | ||
227e81e1 | 2850 | if (is_ibss) |
87fbcb0f | 2851 | ret = wl12xx_cmd_role_start_ibss(wl, wlvif); |
cb88d01b | 2852 | else |
87fbcb0f | 2853 | ret = wl12xx_cmd_role_start_sta(wl, wlvif); |
3230f35e EP |
2854 | |
2855 | return ret; | |
2856 | } | |
2857 | ||
2858 | static int wl1271_ssid_set(struct wl12xx_vif *wlvif, struct sk_buff *skb, | |
2859 | int offset) | |
2860 | { | |
2861 | u8 ssid_len; | |
2862 | const u8 *ptr = cfg80211_find_ie(WLAN_EID_SSID, skb->data + offset, | |
2863 | skb->len - offset); | |
2864 | ||
2865 | if (!ptr) { | |
2866 | wl1271_error("No SSID in IEs!"); | |
2867 | return -ENOENT; | |
2868 | } | |
2869 | ||
2870 | ssid_len = ptr[1]; | |
2871 | if (ssid_len > IEEE80211_MAX_SSID_LEN) { | |
2872 | wl1271_error("SSID is too long!"); | |
2873 | return -EINVAL; | |
2874 | } | |
2875 | ||
2876 | wlvif->ssid_len = ssid_len; | |
2877 | memcpy(wlvif->ssid, ptr+2, ssid_len); | |
2878 | return 0; | |
2879 | } | |
2880 | ||
2881 | static int wlcore_set_ssid(struct wl1271 *wl, struct wl12xx_vif *wlvif) | |
2882 | { | |
2883 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); | |
2884 | struct sk_buff *skb; | |
2885 | int ieoffset; | |
2886 | ||
2887 | /* we currently only support setting the ssid from the ap probe req */ | |
2888 | if (wlvif->bss_type != BSS_TYPE_STA_BSS) | |
2889 | return -EINVAL; | |
2890 | ||
2891 | skb = ieee80211_ap_probereq_get(wl->hw, vif); | |
2892 | if (!skb) | |
2893 | return -EINVAL; | |
2894 | ||
2895 | ieoffset = offsetof(struct ieee80211_mgmt, | |
2896 | u.probe_req.variable); | |
2897 | wl1271_ssid_set(wlvif, skb, ieoffset); | |
2898 | dev_kfree_skb(skb); | |
2899 | ||
2900 | return 0; | |
2901 | } | |
2902 | ||
2903 | static int wlcore_set_assoc(struct wl1271 *wl, struct wl12xx_vif *wlvif, | |
ec87011a EP |
2904 | struct ieee80211_bss_conf *bss_conf, |
2905 | u32 sta_rate_set) | |
3230f35e | 2906 | { |
f276e20b JB |
2907 | struct ieee80211_vif *vif = container_of(bss_conf, struct ieee80211_vif, |
2908 | bss_conf); | |
3230f35e EP |
2909 | int ieoffset; |
2910 | int ret; | |
2911 | ||
f276e20b | 2912 | wlvif->aid = vif->cfg.aid; |
aaabee8b | 2913 | wlvif->channel_type = cfg80211_get_chandef_type(&bss_conf->chandef); |
3230f35e | 2914 | wlvif->beacon_int = bss_conf->beacon_int; |
d50529c0 | 2915 | wlvif->wmm_enabled = bss_conf->qos; |
3230f35e EP |
2916 | |
2917 | set_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags); | |
2918 | ||
2919 | /* | |
2920 | * with wl1271, we don't need to update the | |
2921 | * beacon_int and dtim_period, because the firmware | |
2922 | * updates it by itself when the first beacon is | |
2923 | * received after a join. | |
2924 | */ | |
2925 | ret = wl1271_cmd_build_ps_poll(wl, wlvif, wlvif->aid); | |
82429d32 | 2926 | if (ret < 0) |
3230f35e | 2927 | return ret; |
82429d32 | 2928 | |
3230f35e EP |
2929 | /* |
2930 | * Get a template for hardware connection maintenance | |
2931 | */ | |
2932 | dev_kfree_skb(wlvif->probereq); | |
2933 | wlvif->probereq = wl1271_cmd_build_ap_probe_req(wl, | |
2934 | wlvif, | |
2935 | NULL); | |
2936 | ieoffset = offsetof(struct ieee80211_mgmt, | |
2937 | u.probe_req.variable); | |
2938 | wl1271_ssid_set(wlvif, wlvif->probereq, ieoffset); | |
2939 | ||
2940 | /* enable the connection monitoring feature */ | |
2941 | ret = wl1271_acx_conn_monit_params(wl, wlvif, true); | |
2942 | if (ret < 0) | |
2943 | return ret; | |
82429d32 JO |
2944 | |
2945 | /* | |
2946 | * The join command disable the keep-alive mode, shut down its process, | |
2947 | * and also clear the template config, so we need to reset it all after | |
2948 | * the join. The acx_aid starts the keep-alive process, and the order | |
2949 | * of the commands below is relevant. | |
2950 | */ | |
0603d891 | 2951 | ret = wl1271_acx_keep_alive_mode(wl, wlvif, true); |
82429d32 | 2952 | if (ret < 0) |
3230f35e | 2953 | return ret; |
82429d32 | 2954 | |
0603d891 | 2955 | ret = wl1271_acx_aid(wl, wlvif, wlvif->aid); |
82429d32 | 2956 | if (ret < 0) |
3230f35e | 2957 | return ret; |
82429d32 | 2958 | |
d2d66c56 | 2959 | ret = wl12xx_cmd_build_klv_null_data(wl, wlvif); |
82429d32 | 2960 | if (ret < 0) |
3230f35e | 2961 | return ret; |
82429d32 | 2962 | |
0603d891 | 2963 | ret = wl1271_acx_keep_alive_config(wl, wlvif, |
001e39a8 | 2964 | wlvif->sta.klv_template_id, |
82429d32 JO |
2965 | ACX_KEEP_ALIVE_TPL_VALID); |
2966 | if (ret < 0) | |
3230f35e | 2967 | return ret; |
82429d32 | 2968 | |
6c7b5194 EP |
2969 | /* |
2970 | * The default fw psm configuration is AUTO, while mac80211 default | |
2971 | * setting is off (ACTIVE), so sync the fw with the correct value. | |
2972 | */ | |
2973 | ret = wl1271_ps_set_mode(wl, wlvif, STATION_ACTIVE_MODE); | |
ec87011a EP |
2974 | if (ret < 0) |
2975 | return ret; | |
2976 | ||
2977 | if (sta_rate_set) { | |
2978 | wlvif->rate_set = | |
2979 | wl1271_tx_enabled_rates_get(wl, | |
2980 | sta_rate_set, | |
2981 | wlvif->band); | |
2982 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); | |
2983 | if (ret < 0) | |
2984 | return ret; | |
2985 | } | |
82429d32 | 2986 | |
82429d32 JO |
2987 | return ret; |
2988 | } | |
2989 | ||
3230f35e | 2990 | static int wlcore_unset_assoc(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
c7f43e45 LC |
2991 | { |
2992 | int ret; | |
3230f35e EP |
2993 | bool sta = wlvif->bss_type == BSS_TYPE_STA_BSS; |
2994 | ||
2995 | /* make sure we are connected (sta) joined */ | |
2996 | if (sta && | |
2997 | !test_and_clear_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) | |
2998 | return false; | |
2999 | ||
3000 | /* make sure we are joined (ibss) */ | |
3001 | if (!sta && | |
3002 | test_and_clear_bit(WLVIF_FLAG_IBSS_JOINED, &wlvif->flags)) | |
3003 | return false; | |
3004 | ||
3005 | if (sta) { | |
3006 | /* use defaults when not associated */ | |
3007 | wlvif->aid = 0; | |
3008 | ||
3009 | /* free probe-request template */ | |
3010 | dev_kfree_skb(wlvif->probereq); | |
3011 | wlvif->probereq = NULL; | |
3012 | ||
3013 | /* disable connection monitor features */ | |
3014 | ret = wl1271_acx_conn_monit_params(wl, wlvif, false); | |
3015 | if (ret < 0) | |
3016 | return ret; | |
3017 | ||
3018 | /* Disable the keep-alive feature */ | |
3019 | ret = wl1271_acx_keep_alive_mode(wl, wlvif, false); | |
3020 | if (ret < 0) | |
3021 | return ret; | |
d881fa2c EP |
3022 | |
3023 | /* disable beacon filtering */ | |
3024 | ret = wl1271_acx_beacon_filter_opt(wl, wlvif, false); | |
3025 | if (ret < 0) | |
3026 | return ret; | |
3230f35e | 3027 | } |
c7f43e45 | 3028 | |
52630c5d | 3029 | if (test_and_clear_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags)) { |
6e8cd331 EP |
3030 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
3031 | ||
fcab1890 | 3032 | wl12xx_cmd_stop_channel_switch(wl, wlvif); |
6e8cd331 | 3033 | ieee80211_chswitch_done(vif, false); |
c50a2825 | 3034 | cancel_delayed_work(&wlvif->channel_switch_work); |
6d158ff3 SL |
3035 | } |
3036 | ||
4137c17c EP |
3037 | /* invalidate keep-alive template */ |
3038 | wl1271_acx_keep_alive_config(wl, wlvif, | |
001e39a8 | 3039 | wlvif->sta.klv_template_id, |
4137c17c EP |
3040 | ACX_KEEP_ALIVE_TPL_INVALID); |
3041 | ||
3230f35e | 3042 | return 0; |
c7f43e45 LC |
3043 | } |
3044 | ||
87fbcb0f | 3045 | static void wl1271_set_band_rate(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
ebba60c6 | 3046 | { |
1b92f15e | 3047 | wlvif->basic_rate_set = wlvif->bitrate_masks[wlvif->band]; |
30d0c8fd | 3048 | wlvif->rate_set = wlvif->basic_rate_set; |
ebba60c6 JO |
3049 | } |
3050 | ||
b0ed8a4d AN |
3051 | static void wl1271_sta_handle_idle(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
3052 | bool idle) | |
3053 | { | |
3054 | bool cur_idle = !test_bit(WLVIF_FLAG_ACTIVE, &wlvif->flags); | |
3055 | ||
3056 | if (idle == cur_idle) | |
3057 | return; | |
3058 | ||
3059 | if (idle) { | |
3060 | clear_bit(WLVIF_FLAG_ACTIVE, &wlvif->flags); | |
3061 | } else { | |
3062 | /* The current firmware only supports sched_scan in idle */ | |
3063 | if (wl->sched_vif == wlvif) | |
3064 | wl->ops->sched_scan_stop(wl, wlvif); | |
3065 | ||
3066 | set_bit(WLVIF_FLAG_ACTIVE, &wlvif->flags); | |
3067 | } | |
3068 | } | |
3069 | ||
9f259c4e EP |
3070 | static int wl12xx_config_vif(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
3071 | struct ieee80211_conf *conf, u32 changed) | |
0d58cbff JO |
3072 | { |
3073 | int ret; | |
3074 | ||
7845af35 EP |
3075 | if (wlcore_is_p2p_mgmt(wlvif)) |
3076 | return 0; | |
3077 | ||
6bd65029 | 3078 | if (conf->power_level != wlvif->power_level) { |
0603d891 | 3079 | ret = wl1271_acx_tx_power(wl, wlvif, conf->power_level); |
0d58cbff | 3080 | if (ret < 0) |
9f259c4e | 3081 | return ret; |
33c2c06c | 3082 | |
6bd65029 | 3083 | wlvif->power_level = conf->power_level; |
0d58cbff JO |
3084 | } |
3085 | ||
9f259c4e | 3086 | return 0; |
0d58cbff JO |
3087 | } |
3088 | ||
9f259c4e | 3089 | static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) |
f5fc0f86 | 3090 | { |
9f259c4e EP |
3091 | struct wl1271 *wl = hw->priv; |
3092 | struct wl12xx_vif *wlvif; | |
3093 | struct ieee80211_conf *conf = &hw->conf; | |
b6970ee5 | 3094 | int ret = 0; |
f5fc0f86 | 3095 | |
b6970ee5 | 3096 | wl1271_debug(DEBUG_MAC80211, "mac80211 config psm %s power %d %s" |
9f259c4e | 3097 | " changed 0x%x", |
9f259c4e EP |
3098 | conf->flags & IEEE80211_CONF_PS ? "on" : "off", |
3099 | conf->power_level, | |
3100 | conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use", | |
3101 | changed); | |
3102 | ||
9f259c4e EP |
3103 | mutex_lock(&wl->mutex); |
3104 | ||
9f259c4e EP |
3105 | if (changed & IEEE80211_CONF_CHANGE_POWER) |
3106 | wl->power_level = conf->power_level; | |
3107 | ||
4cc53383 | 3108 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
9f259c4e EP |
3109 | goto out; |
3110 | ||
ab589ac2 MC |
3111 | ret = pm_runtime_resume_and_get(wl->dev); |
3112 | if (ret < 0) | |
9f259c4e EP |
3113 | goto out; |
3114 | ||
3115 | /* configure each interface */ | |
3116 | wl12xx_for_each_wlvif(wl, wlvif) { | |
3117 | ret = wl12xx_config_vif(wl, wlvif, conf, changed); | |
3118 | if (ret < 0) | |
3119 | goto out_sleep; | |
3120 | } | |
3121 | ||
f5fc0f86 | 3122 | out_sleep: |
9b71578d TL |
3123 | pm_runtime_mark_last_busy(wl->dev); |
3124 | pm_runtime_put_autosuspend(wl->dev); | |
f5fc0f86 LC |
3125 | |
3126 | out: | |
3127 | mutex_unlock(&wl->mutex); | |
3128 | ||
3129 | return ret; | |
3130 | } | |
3131 | ||
b54853f1 JO |
3132 | struct wl1271_filter_params { |
3133 | bool enabled; | |
3134 | int mc_list_length; | |
3135 | u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN]; | |
3136 | }; | |
3137 | ||
22bedad3 JP |
3138 | static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, |
3139 | struct netdev_hw_addr_list *mc_list) | |
c87dec9f | 3140 | { |
c87dec9f | 3141 | struct wl1271_filter_params *fp; |
22bedad3 | 3142 | struct netdev_hw_addr *ha; |
c87dec9f | 3143 | |
74441130 | 3144 | fp = kzalloc(sizeof(*fp), GFP_ATOMIC); |
c87dec9f JO |
3145 | if (!fp) { |
3146 | wl1271_error("Out of memory setting filters."); | |
3147 | return 0; | |
3148 | } | |
3149 | ||
3150 | /* update multicast filtering parameters */ | |
c87dec9f | 3151 | fp->mc_list_length = 0; |
22bedad3 JP |
3152 | if (netdev_hw_addr_list_count(mc_list) > ACX_MC_ADDRESS_GROUP_MAX) { |
3153 | fp->enabled = false; | |
3154 | } else { | |
3155 | fp->enabled = true; | |
3156 | netdev_hw_addr_list_for_each(ha, mc_list) { | |
c87dec9f | 3157 | memcpy(fp->mc_list[fp->mc_list_length], |
22bedad3 | 3158 | ha->addr, ETH_ALEN); |
c87dec9f | 3159 | fp->mc_list_length++; |
22bedad3 | 3160 | } |
c87dec9f JO |
3161 | } |
3162 | ||
b54853f1 | 3163 | return (u64)(unsigned long)fp; |
c87dec9f | 3164 | } |
f5fc0f86 | 3165 | |
df140465 | 3166 | #define WL1271_SUPPORTED_FILTERS (FIF_ALLMULTI | \ |
b54853f1 JO |
3167 | FIF_FCSFAIL | \ |
3168 | FIF_BCN_PRBRESP_PROMISC | \ | |
3169 | FIF_CONTROL | \ | |
3170 | FIF_OTHER_BSS) | |
3171 | ||
f5fc0f86 LC |
3172 | static void wl1271_op_configure_filter(struct ieee80211_hw *hw, |
3173 | unsigned int changed, | |
c87dec9f | 3174 | unsigned int *total, u64 multicast) |
f5fc0f86 | 3175 | { |
b54853f1 | 3176 | struct wl1271_filter_params *fp = (void *)(unsigned long)multicast; |
f5fc0f86 | 3177 | struct wl1271 *wl = hw->priv; |
6e8cd331 | 3178 | struct wl12xx_vif *wlvif; |
536129c8 | 3179 | |
b54853f1 | 3180 | int ret; |
f5fc0f86 | 3181 | |
7d057869 AN |
3182 | wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter changed %x" |
3183 | " total %x", changed, *total); | |
f5fc0f86 | 3184 | |
b54853f1 JO |
3185 | mutex_lock(&wl->mutex); |
3186 | ||
2c10bb9c SD |
3187 | *total &= WL1271_SUPPORTED_FILTERS; |
3188 | changed &= WL1271_SUPPORTED_FILTERS; | |
3189 | ||
4cc53383 | 3190 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
b54853f1 JO |
3191 | goto out; |
3192 | ||
ab589ac2 MC |
3193 | ret = pm_runtime_resume_and_get(wl->dev); |
3194 | if (ret < 0) | |
b54853f1 JO |
3195 | goto out; |
3196 | ||
6e8cd331 | 3197 | wl12xx_for_each_wlvif(wl, wlvif) { |
7845af35 EP |
3198 | if (wlcore_is_p2p_mgmt(wlvif)) |
3199 | continue; | |
3200 | ||
6e8cd331 EP |
3201 | if (wlvif->bss_type != BSS_TYPE_AP_BSS) { |
3202 | if (*total & FIF_ALLMULTI) | |
3203 | ret = wl1271_acx_group_address_tbl(wl, wlvif, | |
3204 | false, | |
3205 | NULL, 0); | |
3206 | else if (fp) | |
3207 | ret = wl1271_acx_group_address_tbl(wl, wlvif, | |
3208 | fp->enabled, | |
3209 | fp->mc_list, | |
3210 | fp->mc_list_length); | |
3211 | if (ret < 0) | |
3212 | goto out_sleep; | |
3213 | } | |
1f866532 IH |
3214 | |
3215 | /* | |
3216 | * If interface in AP mode and created with allmulticast then disable | |
3217 | * the firmware filters so that all multicast packets are passed | |
3218 | * This is mandatory for MDNS based discovery protocols | |
3219 | */ | |
7b7362ba HT |
3220 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) { |
3221 | if (*total & FIF_ALLMULTI) { | |
1f866532 IH |
3222 | ret = wl1271_acx_group_address_tbl(wl, wlvif, |
3223 | false, | |
3224 | NULL, 0); | |
3225 | if (ret < 0) | |
3226 | goto out_sleep; | |
3227 | } | |
3228 | } | |
7d057869 | 3229 | } |
f5fc0f86 | 3230 | |
08c1d1c7 EP |
3231 | /* |
3232 | * the fw doesn't provide an api to configure the filters. instead, | |
3233 | * the filters configuration is based on the active roles / ROC | |
3234 | * state. | |
3235 | */ | |
b54853f1 JO |
3236 | |
3237 | out_sleep: | |
9b71578d TL |
3238 | pm_runtime_mark_last_busy(wl->dev); |
3239 | pm_runtime_put_autosuspend(wl->dev); | |
b54853f1 JO |
3240 | |
3241 | out: | |
3242 | mutex_unlock(&wl->mutex); | |
14b228a0 | 3243 | kfree(fp); |
f5fc0f86 LC |
3244 | } |
3245 | ||
170d0e67 EP |
3246 | static int wl1271_record_ap_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
3247 | u8 id, u8 key_type, u8 key_size, | |
3248 | const u8 *key, u8 hlid, u32 tx_seq_32, | |
cf33a772 | 3249 | u16 tx_seq_16, bool is_pairwise) |
7f179b46 AN |
3250 | { |
3251 | struct wl1271_ap_key *ap_key; | |
3252 | int i; | |
3253 | ||
3254 | wl1271_debug(DEBUG_CRYPT, "record ap key id %d", (int)id); | |
3255 | ||
3256 | if (key_size > MAX_KEY_SIZE) | |
3257 | return -EINVAL; | |
3258 | ||
3259 | /* | |
3260 | * Find next free entry in ap_keys. Also check we are not replacing | |
3261 | * an existing key. | |
3262 | */ | |
3263 | for (i = 0; i < MAX_NUM_KEYS; i++) { | |
170d0e67 | 3264 | if (wlvif->ap.recorded_keys[i] == NULL) |
7f179b46 AN |
3265 | break; |
3266 | ||
170d0e67 | 3267 | if (wlvif->ap.recorded_keys[i]->id == id) { |
7f179b46 AN |
3268 | wl1271_warning("trying to record key replacement"); |
3269 | return -EINVAL; | |
3270 | } | |
3271 | } | |
3272 | ||
3273 | if (i == MAX_NUM_KEYS) | |
3274 | return -EBUSY; | |
3275 | ||
3276 | ap_key = kzalloc(sizeof(*ap_key), GFP_KERNEL); | |
3277 | if (!ap_key) | |
3278 | return -ENOMEM; | |
3279 | ||
3280 | ap_key->id = id; | |
3281 | ap_key->key_type = key_type; | |
3282 | ap_key->key_size = key_size; | |
3283 | memcpy(ap_key->key, key, key_size); | |
3284 | ap_key->hlid = hlid; | |
3285 | ap_key->tx_seq_32 = tx_seq_32; | |
3286 | ap_key->tx_seq_16 = tx_seq_16; | |
cf33a772 | 3287 | ap_key->is_pairwise = is_pairwise; |
7f179b46 | 3288 | |
170d0e67 | 3289 | wlvif->ap.recorded_keys[i] = ap_key; |
7f179b46 AN |
3290 | return 0; |
3291 | } | |
3292 | ||
170d0e67 | 3293 | static void wl1271_free_ap_keys(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
7f179b46 AN |
3294 | { |
3295 | int i; | |
3296 | ||
3297 | for (i = 0; i < MAX_NUM_KEYS; i++) { | |
170d0e67 EP |
3298 | kfree(wlvif->ap.recorded_keys[i]); |
3299 | wlvif->ap.recorded_keys[i] = NULL; | |
7f179b46 AN |
3300 | } |
3301 | } | |
3302 | ||
a8ab39a4 | 3303 | static int wl1271_ap_init_hwenc(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
7f179b46 AN |
3304 | { |
3305 | int i, ret = 0; | |
3306 | struct wl1271_ap_key *key; | |
3307 | bool wep_key_added = false; | |
3308 | ||
3309 | for (i = 0; i < MAX_NUM_KEYS; i++) { | |
7f97b487 | 3310 | u8 hlid; |
170d0e67 | 3311 | if (wlvif->ap.recorded_keys[i] == NULL) |
7f179b46 AN |
3312 | break; |
3313 | ||
170d0e67 | 3314 | key = wlvif->ap.recorded_keys[i]; |
7f97b487 EP |
3315 | hlid = key->hlid; |
3316 | if (hlid == WL12XX_INVALID_LINK_ID) | |
a8ab39a4 | 3317 | hlid = wlvif->ap.bcast_hlid; |
7f97b487 | 3318 | |
a8ab39a4 | 3319 | ret = wl1271_cmd_set_ap_key(wl, wlvif, KEY_ADD_OR_REPLACE, |
7f179b46 AN |
3320 | key->id, key->key_type, |
3321 | key->key_size, key->key, | |
7f97b487 | 3322 | hlid, key->tx_seq_32, |
cf33a772 | 3323 | key->tx_seq_16, key->is_pairwise); |
7f179b46 AN |
3324 | if (ret < 0) |
3325 | goto out; | |
3326 | ||
3327 | if (key->key_type == KEY_WEP) | |
3328 | wep_key_added = true; | |
3329 | } | |
3330 | ||
3331 | if (wep_key_added) { | |
f75c753f | 3332 | ret = wl12xx_cmd_set_default_wep_key(wl, wlvif->default_key, |
a8ab39a4 | 3333 | wlvif->ap.bcast_hlid); |
7f179b46 AN |
3334 | if (ret < 0) |
3335 | goto out; | |
3336 | } | |
3337 | ||
3338 | out: | |
170d0e67 | 3339 | wl1271_free_ap_keys(wl, wlvif); |
7f179b46 AN |
3340 | return ret; |
3341 | } | |
3342 | ||
536129c8 EP |
3343 | static int wl1271_set_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
3344 | u16 action, u8 id, u8 key_type, | |
7f179b46 | 3345 | u8 key_size, const u8 *key, u32 tx_seq_32, |
cf33a772 MH |
3346 | u16 tx_seq_16, struct ieee80211_sta *sta, |
3347 | bool is_pairwise) | |
7f179b46 AN |
3348 | { |
3349 | int ret; | |
536129c8 | 3350 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); |
7f179b46 AN |
3351 | |
3352 | if (is_ap) { | |
3353 | struct wl1271_station *wl_sta; | |
3354 | u8 hlid; | |
3355 | ||
3356 | if (sta) { | |
3357 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
3358 | hlid = wl_sta->hlid; | |
3359 | } else { | |
a8ab39a4 | 3360 | hlid = wlvif->ap.bcast_hlid; |
7f179b46 AN |
3361 | } |
3362 | ||
53d40d0b | 3363 | if (!test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) { |
7f179b46 AN |
3364 | /* |
3365 | * We do not support removing keys after AP shutdown. | |
3366 | * Pretend we do to make mac80211 happy. | |
3367 | */ | |
3368 | if (action != KEY_ADD_OR_REPLACE) | |
3369 | return 0; | |
3370 | ||
170d0e67 | 3371 | ret = wl1271_record_ap_key(wl, wlvif, id, |
7f179b46 AN |
3372 | key_type, key_size, |
3373 | key, hlid, tx_seq_32, | |
cf33a772 | 3374 | tx_seq_16, is_pairwise); |
7f179b46 | 3375 | } else { |
a8ab39a4 | 3376 | ret = wl1271_cmd_set_ap_key(wl, wlvif, action, |
7f179b46 AN |
3377 | id, key_type, key_size, |
3378 | key, hlid, tx_seq_32, | |
cf33a772 | 3379 | tx_seq_16, is_pairwise); |
7f179b46 AN |
3380 | } |
3381 | ||
3382 | if (ret < 0) | |
3383 | return ret; | |
3384 | } else { | |
3385 | const u8 *addr; | |
3386 | static const u8 bcast_addr[ETH_ALEN] = { | |
3387 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff | |
3388 | }; | |
3389 | ||
3390 | addr = sta ? sta->addr : bcast_addr; | |
3391 | ||
3392 | if (is_zero_ether_addr(addr)) { | |
3393 | /* We dont support TX only encryption */ | |
3394 | return -EOPNOTSUPP; | |
3395 | } | |
3396 | ||
3397 | /* The wl1271 does not allow to remove unicast keys - they | |
3398 | will be cleared automatically on next CMD_JOIN. Ignore the | |
3399 | request silently, as we dont want the mac80211 to emit | |
3400 | an error message. */ | |
3401 | if (action == KEY_REMOVE && !is_broadcast_ether_addr(addr)) | |
3402 | return 0; | |
3403 | ||
010d3d30 EP |
3404 | /* don't remove key if hlid was already deleted */ |
3405 | if (action == KEY_REMOVE && | |
154da67c | 3406 | wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) |
010d3d30 EP |
3407 | return 0; |
3408 | ||
a8ab39a4 | 3409 | ret = wl1271_cmd_set_sta_key(wl, wlvif, action, |
7f179b46 AN |
3410 | id, key_type, key_size, |
3411 | key, addr, tx_seq_32, | |
3412 | tx_seq_16); | |
3413 | if (ret < 0) | |
3414 | return ret; | |
3415 | ||
7f179b46 AN |
3416 | } |
3417 | ||
3418 | return 0; | |
3419 | } | |
3420 | ||
a1c597f2 | 3421 | static int wlcore_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
f5fc0f86 LC |
3422 | struct ieee80211_vif *vif, |
3423 | struct ieee80211_sta *sta, | |
3424 | struct ieee80211_key_conf *key_conf) | |
3425 | { | |
3426 | struct wl1271 *wl = hw->priv; | |
af390f4d EP |
3427 | int ret; |
3428 | bool might_change_spare = | |
3429 | key_conf->cipher == WL1271_CIPHER_SUITE_GEM || | |
3430 | key_conf->cipher == WLAN_CIPHER_SUITE_TKIP; | |
3431 | ||
3432 | if (might_change_spare) { | |
3433 | /* | |
3434 | * stop the queues and flush to ensure the next packets are | |
3435 | * in sync with FW spare block accounting | |
3436 | */ | |
af390f4d | 3437 | wlcore_stop_queues(wl, WLCORE_QUEUE_STOP_REASON_SPARE_BLK); |
af390f4d EP |
3438 | wl1271_tx_flush(wl); |
3439 | } | |
3440 | ||
3441 | mutex_lock(&wl->mutex); | |
3442 | ||
3443 | if (unlikely(wl->state != WLCORE_STATE_ON)) { | |
3444 | ret = -EAGAIN; | |
3445 | goto out_wake_queues; | |
3446 | } | |
a1c597f2 | 3447 | |
ab589ac2 MC |
3448 | ret = pm_runtime_resume_and_get(wl->dev); |
3449 | if (ret < 0) | |
af390f4d EP |
3450 | goto out_wake_queues; |
3451 | ||
3452 | ret = wlcore_hw_set_key(wl, cmd, vif, sta, key_conf); | |
3453 | ||
9b71578d TL |
3454 | pm_runtime_mark_last_busy(wl->dev); |
3455 | pm_runtime_put_autosuspend(wl->dev); | |
af390f4d EP |
3456 | |
3457 | out_wake_queues: | |
3458 | if (might_change_spare) | |
3459 | wlcore_wake_queues(wl, WLCORE_QUEUE_STOP_REASON_SPARE_BLK); | |
3460 | ||
3461 | mutex_unlock(&wl->mutex); | |
3462 | ||
3463 | return ret; | |
a1c597f2 AN |
3464 | } |
3465 | ||
3466 | int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd, | |
3467 | struct ieee80211_vif *vif, | |
3468 | struct ieee80211_sta *sta, | |
3469 | struct ieee80211_key_conf *key_conf) | |
3470 | { | |
536129c8 | 3471 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
f5fc0f86 | 3472 | int ret; |
ac4e4ce5 JO |
3473 | u32 tx_seq_32 = 0; |
3474 | u16 tx_seq_16 = 0; | |
f5fc0f86 | 3475 | u8 key_type; |
93d5d100 | 3476 | u8 hlid; |
cf33a772 | 3477 | bool is_pairwise; |
f5fc0f86 | 3478 | |
f5fc0f86 LC |
3479 | wl1271_debug(DEBUG_MAC80211, "mac80211 set key"); |
3480 | ||
7f179b46 | 3481 | wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x sta: %p", cmd, sta); |
f5fc0f86 | 3482 | wl1271_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", |
97359d12 | 3483 | key_conf->cipher, key_conf->keyidx, |
f5fc0f86 LC |
3484 | key_conf->keylen, key_conf->flags); |
3485 | wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen); | |
3486 | ||
93d5d100 AN |
3487 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) |
3488 | if (sta) { | |
3489 | struct wl1271_station *wl_sta = (void *)sta->drv_priv; | |
3490 | hlid = wl_sta->hlid; | |
3491 | } else { | |
3492 | hlid = wlvif->ap.bcast_hlid; | |
3493 | } | |
3494 | else | |
3495 | hlid = wlvif->sta.hlid; | |
3496 | ||
3497 | if (hlid != WL12XX_INVALID_LINK_ID) { | |
3498 | u64 tx_seq = wl->links[hlid].total_freed_pkts; | |
3499 | tx_seq_32 = WL1271_TX_SECURITY_HI32(tx_seq); | |
3500 | tx_seq_16 = WL1271_TX_SECURITY_LO16(tx_seq); | |
3501 | } | |
3502 | ||
97359d12 JB |
3503 | switch (key_conf->cipher) { |
3504 | case WLAN_CIPHER_SUITE_WEP40: | |
3505 | case WLAN_CIPHER_SUITE_WEP104: | |
f5fc0f86 LC |
3506 | key_type = KEY_WEP; |
3507 | ||
3508 | key_conf->hw_key_idx = key_conf->keyidx; | |
3509 | break; | |
97359d12 | 3510 | case WLAN_CIPHER_SUITE_TKIP: |
f5fc0f86 | 3511 | key_type = KEY_TKIP; |
f5fc0f86 LC |
3512 | key_conf->hw_key_idx = key_conf->keyidx; |
3513 | break; | |
97359d12 | 3514 | case WLAN_CIPHER_SUITE_CCMP: |
f5fc0f86 | 3515 | key_type = KEY_AES; |
12d4b975 | 3516 | key_conf->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; |
f5fc0f86 | 3517 | break; |
7a55724e JO |
3518 | case WL1271_CIPHER_SUITE_GEM: |
3519 | key_type = KEY_GEM; | |
7a55724e | 3520 | break; |
f5fc0f86 | 3521 | default: |
97359d12 | 3522 | wl1271_error("Unknown key algo 0x%x", key_conf->cipher); |
f5fc0f86 | 3523 | |
af390f4d | 3524 | return -EOPNOTSUPP; |
f5fc0f86 LC |
3525 | } |
3526 | ||
cf33a772 MH |
3527 | is_pairwise = key_conf->flags & IEEE80211_KEY_FLAG_PAIRWISE; |
3528 | ||
f5fc0f86 LC |
3529 | switch (cmd) { |
3530 | case SET_KEY: | |
536129c8 | 3531 | ret = wl1271_set_key(wl, wlvif, KEY_ADD_OR_REPLACE, |
7f179b46 AN |
3532 | key_conf->keyidx, key_type, |
3533 | key_conf->keylen, key_conf->key, | |
cf33a772 | 3534 | tx_seq_32, tx_seq_16, sta, is_pairwise); |
f5fc0f86 LC |
3535 | if (ret < 0) { |
3536 | wl1271_error("Could not add or replace key"); | |
af390f4d | 3537 | return ret; |
f5fc0f86 | 3538 | } |
5ec8a448 EP |
3539 | |
3540 | /* | |
3541 | * reconfiguring arp response if the unicast (or common) | |
3542 | * encryption key type was changed | |
3543 | */ | |
3544 | if (wlvif->bss_type == BSS_TYPE_STA_BSS && | |
3545 | (sta || key_type == KEY_WEP) && | |
3546 | wlvif->encryption_type != key_type) { | |
3547 | wlvif->encryption_type = key_type; | |
3548 | ret = wl1271_cmd_build_arp_rsp(wl, wlvif); | |
3549 | if (ret < 0) { | |
3550 | wl1271_warning("build arp rsp failed: %d", ret); | |
af390f4d | 3551 | return ret; |
5ec8a448 EP |
3552 | } |
3553 | } | |
f5fc0f86 LC |
3554 | break; |
3555 | ||
3556 | case DISABLE_KEY: | |
536129c8 | 3557 | ret = wl1271_set_key(wl, wlvif, KEY_REMOVE, |
7f179b46 AN |
3558 | key_conf->keyidx, key_type, |
3559 | key_conf->keylen, key_conf->key, | |
cf33a772 | 3560 | 0, 0, sta, is_pairwise); |
f5fc0f86 LC |
3561 | if (ret < 0) { |
3562 | wl1271_error("Could not remove key"); | |
af390f4d | 3563 | return ret; |
f5fc0f86 LC |
3564 | } |
3565 | break; | |
3566 | ||
3567 | default: | |
3568 | wl1271_error("Unsupported key cmd 0x%x", cmd); | |
af390f4d | 3569 | return -EOPNOTSUPP; |
f5fc0f86 LC |
3570 | } |
3571 | ||
f5fc0f86 LC |
3572 | return ret; |
3573 | } | |
a1c597f2 | 3574 | EXPORT_SYMBOL_GPL(wlcore_set_key); |
f5fc0f86 | 3575 | |
ba1e6eb9 YD |
3576 | static void wl1271_op_set_default_key_idx(struct ieee80211_hw *hw, |
3577 | struct ieee80211_vif *vif, | |
3578 | int key_idx) | |
3579 | { | |
3580 | struct wl1271 *wl = hw->priv; | |
3581 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
3582 | int ret; | |
3583 | ||
3584 | wl1271_debug(DEBUG_MAC80211, "mac80211 set default key idx %d", | |
3585 | key_idx); | |
3586 | ||
bf4e5f1a EP |
3587 | /* we don't handle unsetting of default key */ |
3588 | if (key_idx == -1) | |
3589 | return; | |
3590 | ||
ba1e6eb9 YD |
3591 | mutex_lock(&wl->mutex); |
3592 | ||
3593 | if (unlikely(wl->state != WLCORE_STATE_ON)) { | |
3594 | ret = -EAGAIN; | |
3595 | goto out_unlock; | |
3596 | } | |
3597 | ||
ab589ac2 MC |
3598 | ret = pm_runtime_resume_and_get(wl->dev); |
3599 | if (ret < 0) | |
ba1e6eb9 YD |
3600 | goto out_unlock; |
3601 | ||
3602 | wlvif->default_key = key_idx; | |
3603 | ||
3604 | /* the default WEP key needs to be configured at least once */ | |
3605 | if (wlvif->encryption_type == KEY_WEP) { | |
3606 | ret = wl12xx_cmd_set_default_wep_key(wl, | |
3607 | key_idx, | |
3608 | wlvif->sta.hlid); | |
3609 | if (ret < 0) | |
3610 | goto out_sleep; | |
3611 | } | |
3612 | ||
3613 | out_sleep: | |
9b71578d TL |
3614 | pm_runtime_mark_last_busy(wl->dev); |
3615 | pm_runtime_put_autosuspend(wl->dev); | |
ba1e6eb9 YD |
3616 | |
3617 | out_unlock: | |
3618 | mutex_unlock(&wl->mutex); | |
3619 | } | |
3620 | ||
6b70e7eb VG |
3621 | void wlcore_regdomain_config(struct wl1271 *wl) |
3622 | { | |
3623 | int ret; | |
3624 | ||
3625 | if (!(wl->quirks & WLCORE_QUIRK_REGDOMAIN_CONF)) | |
3626 | return; | |
3627 | ||
3628 | mutex_lock(&wl->mutex); | |
75592be5 AN |
3629 | |
3630 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
3631 | goto out; | |
3632 | ||
ab589ac2 MC |
3633 | ret = pm_runtime_resume_and_get(wl->dev); |
3634 | if (ret < 0) | |
6b70e7eb VG |
3635 | goto out; |
3636 | ||
3637 | ret = wlcore_cmd_regdomain_config_locked(wl); | |
3638 | if (ret < 0) { | |
3639 | wl12xx_queue_recovery_work(wl); | |
3640 | goto out; | |
3641 | } | |
3642 | ||
9b71578d TL |
3643 | pm_runtime_mark_last_busy(wl->dev); |
3644 | pm_runtime_put_autosuspend(wl->dev); | |
6b70e7eb VG |
3645 | out: |
3646 | mutex_unlock(&wl->mutex); | |
3647 | } | |
3648 | ||
f5fc0f86 | 3649 | static int wl1271_op_hw_scan(struct ieee80211_hw *hw, |
a060bbfe | 3650 | struct ieee80211_vif *vif, |
c56ef672 | 3651 | struct ieee80211_scan_request *hw_req) |
f5fc0f86 | 3652 | { |
c56ef672 | 3653 | struct cfg80211_scan_request *req = &hw_req->req; |
f5fc0f86 LC |
3654 | struct wl1271 *wl = hw->priv; |
3655 | int ret; | |
3656 | u8 *ssid = NULL; | |
abb0b3bf | 3657 | size_t len = 0; |
f5fc0f86 LC |
3658 | |
3659 | wl1271_debug(DEBUG_MAC80211, "mac80211 hw scan"); | |
3660 | ||
3661 | if (req->n_ssids) { | |
3662 | ssid = req->ssids[0].ssid; | |
abb0b3bf | 3663 | len = req->ssids[0].ssid_len; |
f5fc0f86 LC |
3664 | } |
3665 | ||
3666 | mutex_lock(&wl->mutex); | |
3667 | ||
4cc53383 | 3668 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
b739a42c JO |
3669 | /* |
3670 | * We cannot return -EBUSY here because cfg80211 will expect | |
3671 | * a call to ieee80211_scan_completed if we do - in this case | |
3672 | * there won't be any call. | |
3673 | */ | |
3674 | ret = -EAGAIN; | |
3675 | goto out; | |
3676 | } | |
3677 | ||
ab589ac2 MC |
3678 | ret = pm_runtime_resume_and_get(wl->dev); |
3679 | if (ret < 0) | |
f5fc0f86 LC |
3680 | goto out; |
3681 | ||
97fd311a EP |
3682 | /* fail if there is any role in ROC */ |
3683 | if (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) < WL12XX_MAX_ROLES) { | |
92e712da EP |
3684 | /* don't allow scanning right now */ |
3685 | ret = -EBUSY; | |
3686 | goto out_sleep; | |
3687 | } | |
3688 | ||
78e28062 | 3689 | ret = wlcore_scan(hw->priv, vif, ssid, len, req); |
251c177f | 3690 | out_sleep: |
9b71578d TL |
3691 | pm_runtime_mark_last_busy(wl->dev); |
3692 | pm_runtime_put_autosuspend(wl->dev); | |
f5fc0f86 LC |
3693 | out: |
3694 | mutex_unlock(&wl->mutex); | |
3695 | ||
3696 | return ret; | |
3697 | } | |
3698 | ||
73ecce31 EP |
3699 | static void wl1271_op_cancel_hw_scan(struct ieee80211_hw *hw, |
3700 | struct ieee80211_vif *vif) | |
3701 | { | |
3702 | struct wl1271 *wl = hw->priv; | |
78e28062 | 3703 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
7947d3e0 AS |
3704 | struct cfg80211_scan_info info = { |
3705 | .aborted = true, | |
3706 | }; | |
73ecce31 EP |
3707 | int ret; |
3708 | ||
3709 | wl1271_debug(DEBUG_MAC80211, "mac80211 cancel hw scan"); | |
3710 | ||
3711 | mutex_lock(&wl->mutex); | |
3712 | ||
4cc53383 | 3713 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
73ecce31 EP |
3714 | goto out; |
3715 | ||
3716 | if (wl->scan.state == WL1271_SCAN_STATE_IDLE) | |
3717 | goto out; | |
3718 | ||
ab589ac2 MC |
3719 | ret = pm_runtime_resume_and_get(wl->dev); |
3720 | if (ret < 0) | |
73ecce31 EP |
3721 | goto out; |
3722 | ||
3723 | if (wl->scan.state != WL1271_SCAN_STATE_DONE) { | |
78e28062 | 3724 | ret = wl->ops->scan_stop(wl, wlvif); |
73ecce31 EP |
3725 | if (ret < 0) |
3726 | goto out_sleep; | |
3727 | } | |
55df5afb AN |
3728 | |
3729 | /* | |
3730 | * Rearm the tx watchdog just before idling scan. This | |
3731 | * prevents just-finished scans from triggering the watchdog | |
3732 | */ | |
3733 | wl12xx_rearm_tx_watchdog_locked(wl); | |
3734 | ||
73ecce31 EP |
3735 | wl->scan.state = WL1271_SCAN_STATE_IDLE; |
3736 | memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); | |
c50a2825 | 3737 | wl->scan_wlvif = NULL; |
73ecce31 | 3738 | wl->scan.req = NULL; |
7947d3e0 | 3739 | ieee80211_scan_completed(wl->hw, &info); |
73ecce31 EP |
3740 | |
3741 | out_sleep: | |
9b71578d TL |
3742 | pm_runtime_mark_last_busy(wl->dev); |
3743 | pm_runtime_put_autosuspend(wl->dev); | |
73ecce31 EP |
3744 | out: |
3745 | mutex_unlock(&wl->mutex); | |
3746 | ||
3747 | cancel_delayed_work_sync(&wl->scan_complete_work); | |
3748 | } | |
3749 | ||
33c2c06c LC |
3750 | static int wl1271_op_sched_scan_start(struct ieee80211_hw *hw, |
3751 | struct ieee80211_vif *vif, | |
3752 | struct cfg80211_sched_scan_request *req, | |
633e2713 | 3753 | struct ieee80211_scan_ies *ies) |
33c2c06c LC |
3754 | { |
3755 | struct wl1271 *wl = hw->priv; | |
536129c8 | 3756 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
33c2c06c LC |
3757 | int ret; |
3758 | ||
3759 | wl1271_debug(DEBUG_MAC80211, "wl1271_op_sched_scan_start"); | |
3760 | ||
3761 | mutex_lock(&wl->mutex); | |
3762 | ||
4cc53383 | 3763 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
9e0dc890 PF |
3764 | ret = -EAGAIN; |
3765 | goto out; | |
3766 | } | |
3767 | ||
ab589ac2 MC |
3768 | ret = pm_runtime_resume_and_get(wl->dev); |
3769 | if (ret < 0) | |
33c2c06c LC |
3770 | goto out; |
3771 | ||
78e28062 | 3772 | ret = wl->ops->sched_scan_start(wl, wlvif, req, ies); |
33c2c06c LC |
3773 | if (ret < 0) |
3774 | goto out_sleep; | |
3775 | ||
10199756 | 3776 | wl->sched_vif = wlvif; |
33c2c06c LC |
3777 | |
3778 | out_sleep: | |
9b71578d TL |
3779 | pm_runtime_mark_last_busy(wl->dev); |
3780 | pm_runtime_put_autosuspend(wl->dev); | |
33c2c06c LC |
3781 | out: |
3782 | mutex_unlock(&wl->mutex); | |
3783 | return ret; | |
3784 | } | |
3785 | ||
37e3308c JB |
3786 | static int wl1271_op_sched_scan_stop(struct ieee80211_hw *hw, |
3787 | struct ieee80211_vif *vif) | |
33c2c06c LC |
3788 | { |
3789 | struct wl1271 *wl = hw->priv; | |
78f85f50 | 3790 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
33c2c06c LC |
3791 | int ret; |
3792 | ||
3793 | wl1271_debug(DEBUG_MAC80211, "wl1271_op_sched_scan_stop"); | |
3794 | ||
3795 | mutex_lock(&wl->mutex); | |
3796 | ||
4cc53383 | 3797 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
9e0dc890 PF |
3798 | goto out; |
3799 | ||
ab589ac2 MC |
3800 | ret = pm_runtime_resume_and_get(wl->dev); |
3801 | if (ret < 0) | |
33c2c06c LC |
3802 | goto out; |
3803 | ||
78e28062 | 3804 | wl->ops->sched_scan_stop(wl, wlvif); |
33c2c06c | 3805 | |
9b71578d TL |
3806 | pm_runtime_mark_last_busy(wl->dev); |
3807 | pm_runtime_put_autosuspend(wl->dev); | |
33c2c06c LC |
3808 | out: |
3809 | mutex_unlock(&wl->mutex); | |
37e3308c JB |
3810 | |
3811 | return 0; | |
33c2c06c LC |
3812 | } |
3813 | ||
68d069c4 AN |
3814 | static int wl1271_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value) |
3815 | { | |
3816 | struct wl1271 *wl = hw->priv; | |
3817 | int ret = 0; | |
3818 | ||
3819 | mutex_lock(&wl->mutex); | |
3820 | ||
4cc53383 | 3821 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
68d069c4 AN |
3822 | ret = -EAGAIN; |
3823 | goto out; | |
3824 | } | |
3825 | ||
ab589ac2 MC |
3826 | ret = pm_runtime_resume_and_get(wl->dev); |
3827 | if (ret < 0) | |
68d069c4 AN |
3828 | goto out; |
3829 | ||
5f704d18 | 3830 | ret = wl1271_acx_frag_threshold(wl, value); |
68d069c4 AN |
3831 | if (ret < 0) |
3832 | wl1271_warning("wl1271_op_set_frag_threshold failed: %d", ret); | |
3833 | ||
9b71578d TL |
3834 | pm_runtime_mark_last_busy(wl->dev); |
3835 | pm_runtime_put_autosuspend(wl->dev); | |
68d069c4 AN |
3836 | |
3837 | out: | |
3838 | mutex_unlock(&wl->mutex); | |
3839 | ||
3840 | return ret; | |
3841 | } | |
3842 | ||
f5fc0f86 LC |
3843 | static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) |
3844 | { | |
3845 | struct wl1271 *wl = hw->priv; | |
6e8cd331 | 3846 | struct wl12xx_vif *wlvif; |
aecb0565 | 3847 | int ret = 0; |
f5fc0f86 LC |
3848 | |
3849 | mutex_lock(&wl->mutex); | |
3850 | ||
4cc53383 | 3851 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
f8d9802f | 3852 | ret = -EAGAIN; |
aecb0565 | 3853 | goto out; |
f8d9802f | 3854 | } |
aecb0565 | 3855 | |
ab589ac2 MC |
3856 | ret = pm_runtime_resume_and_get(wl->dev); |
3857 | if (ret < 0) | |
f5fc0f86 LC |
3858 | goto out; |
3859 | ||
6e8cd331 EP |
3860 | wl12xx_for_each_wlvif(wl, wlvif) { |
3861 | ret = wl1271_acx_rts_threshold(wl, wlvif, value); | |
3862 | if (ret < 0) | |
3863 | wl1271_warning("set rts threshold failed: %d", ret); | |
3864 | } | |
9b71578d TL |
3865 | pm_runtime_mark_last_busy(wl->dev); |
3866 | pm_runtime_put_autosuspend(wl->dev); | |
f5fc0f86 LC |
3867 | |
3868 | out: | |
3869 | mutex_unlock(&wl->mutex); | |
3870 | ||
3871 | return ret; | |
3872 | } | |
3873 | ||
d48055d9 EP |
3874 | static void wl12xx_remove_ie(struct sk_buff *skb, u8 eid, int ieoffset) |
3875 | { | |
3876 | int len; | |
3877 | const u8 *next, *end = skb->data + skb->len; | |
3878 | u8 *ie = (u8 *)cfg80211_find_ie(eid, skb->data + ieoffset, | |
3879 | skb->len - ieoffset); | |
3880 | if (!ie) | |
3881 | return; | |
3882 | len = ie[1] + 2; | |
3883 | next = ie + len; | |
3884 | memmove(ie, next, end - next); | |
3885 | skb_trim(skb, skb->len - len); | |
3886 | } | |
3887 | ||
26b4bf2e EP |
3888 | static void wl12xx_remove_vendor_ie(struct sk_buff *skb, |
3889 | unsigned int oui, u8 oui_type, | |
3890 | int ieoffset) | |
3891 | { | |
3892 | int len; | |
3893 | const u8 *next, *end = skb->data + skb->len; | |
3894 | u8 *ie = (u8 *)cfg80211_find_vendor_ie(oui, oui_type, | |
3895 | skb->data + ieoffset, | |
3896 | skb->len - ieoffset); | |
3897 | if (!ie) | |
3898 | return; | |
3899 | len = ie[1] + 2; | |
3900 | next = ie + len; | |
3901 | memmove(ie, next, end - next); | |
3902 | skb_trim(skb, skb->len - len); | |
3903 | } | |
3904 | ||
341f2c11 AN |
3905 | static int wl1271_ap_set_probe_resp_tmpl(struct wl1271 *wl, u32 rates, |
3906 | struct ieee80211_vif *vif) | |
560f0024 | 3907 | { |
cdaac628 | 3908 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
560f0024 AN |
3909 | struct sk_buff *skb; |
3910 | int ret; | |
3911 | ||
341f2c11 | 3912 | skb = ieee80211_proberesp_get(wl->hw, vif); |
560f0024 | 3913 | if (!skb) |
341f2c11 | 3914 | return -EOPNOTSUPP; |
560f0024 | 3915 | |
cdaac628 | 3916 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, |
560f0024 AN |
3917 | CMD_TEMPL_AP_PROBE_RESPONSE, |
3918 | skb->data, | |
3919 | skb->len, 0, | |
3920 | rates); | |
560f0024 | 3921 | dev_kfree_skb(skb); |
62c2e579 LC |
3922 | |
3923 | if (ret < 0) | |
3924 | goto out; | |
3925 | ||
3926 | wl1271_debug(DEBUG_AP, "probe response updated"); | |
3927 | set_bit(WLVIF_FLAG_AP_PROBE_RESP_SET, &wlvif->flags); | |
3928 | ||
3929 | out: | |
560f0024 AN |
3930 | return ret; |
3931 | } | |
3932 | ||
3933 | static int wl1271_ap_set_probe_resp_tmpl_legacy(struct wl1271 *wl, | |
3934 | struct ieee80211_vif *vif, | |
3935 | u8 *probe_rsp_data, | |
3936 | size_t probe_rsp_len, | |
3937 | u32 rates) | |
68eaaf6e | 3938 | { |
1fe9f161 | 3939 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
68eaaf6e AN |
3940 | u8 probe_rsp_templ[WL1271_CMD_TEMPL_MAX_SIZE]; |
3941 | int ssid_ie_offset, ie_offset, templ_len; | |
3942 | const u8 *ptr; | |
3943 | ||
3944 | /* no need to change probe response if the SSID is set correctly */ | |
1fe9f161 | 3945 | if (wlvif->ssid_len > 0) |
cdaac628 | 3946 | return wl1271_cmd_template_set(wl, wlvif->role_id, |
68eaaf6e AN |
3947 | CMD_TEMPL_AP_PROBE_RESPONSE, |
3948 | probe_rsp_data, | |
3949 | probe_rsp_len, 0, | |
3950 | rates); | |
3951 | ||
f276e20b | 3952 | if (probe_rsp_len + vif->cfg.ssid_len > WL1271_CMD_TEMPL_MAX_SIZE) { |
68eaaf6e AN |
3953 | wl1271_error("probe_rsp template too big"); |
3954 | return -EINVAL; | |
3955 | } | |
3956 | ||
3957 | /* start searching from IE offset */ | |
3958 | ie_offset = offsetof(struct ieee80211_mgmt, u.probe_resp.variable); | |
3959 | ||
3960 | ptr = cfg80211_find_ie(WLAN_EID_SSID, probe_rsp_data + ie_offset, | |
3961 | probe_rsp_len - ie_offset); | |
3962 | if (!ptr) { | |
3963 | wl1271_error("No SSID in beacon!"); | |
3964 | return -EINVAL; | |
3965 | } | |
3966 | ||
3967 | ssid_ie_offset = ptr - probe_rsp_data; | |
3968 | ptr += (ptr[1] + 2); | |
3969 | ||
3970 | memcpy(probe_rsp_templ, probe_rsp_data, ssid_ie_offset); | |
3971 | ||
3972 | /* insert SSID from bss_conf */ | |
3973 | probe_rsp_templ[ssid_ie_offset] = WLAN_EID_SSID; | |
f276e20b | 3974 | probe_rsp_templ[ssid_ie_offset + 1] = vif->cfg.ssid_len; |
68eaaf6e | 3975 | memcpy(probe_rsp_templ + ssid_ie_offset + 2, |
f276e20b JB |
3976 | vif->cfg.ssid, vif->cfg.ssid_len); |
3977 | templ_len = ssid_ie_offset + 2 + vif->cfg.ssid_len; | |
68eaaf6e | 3978 | |
f276e20b | 3979 | memcpy(probe_rsp_templ + ssid_ie_offset + 2 + vif->cfg.ssid_len, |
68eaaf6e AN |
3980 | ptr, probe_rsp_len - (ptr - probe_rsp_data)); |
3981 | templ_len += probe_rsp_len - (ptr - probe_rsp_data); | |
3982 | ||
cdaac628 | 3983 | return wl1271_cmd_template_set(wl, wlvif->role_id, |
68eaaf6e AN |
3984 | CMD_TEMPL_AP_PROBE_RESPONSE, |
3985 | probe_rsp_templ, | |
3986 | templ_len, 0, | |
3987 | rates); | |
3988 | } | |
3989 | ||
e78a287a | 3990 | static int wl1271_bss_erp_info_changed(struct wl1271 *wl, |
0603d891 | 3991 | struct ieee80211_vif *vif, |
f5fc0f86 LC |
3992 | struct ieee80211_bss_conf *bss_conf, |
3993 | u32 changed) | |
3994 | { | |
0603d891 | 3995 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
e78a287a | 3996 | int ret = 0; |
f5fc0f86 | 3997 | |
e78a287a AN |
3998 | if (changed & BSS_CHANGED_ERP_SLOT) { |
3999 | if (bss_conf->use_short_slot) | |
0603d891 | 4000 | ret = wl1271_acx_slot(wl, wlvif, SLOT_TIME_SHORT); |
e78a287a | 4001 | else |
0603d891 | 4002 | ret = wl1271_acx_slot(wl, wlvif, SLOT_TIME_LONG); |
e78a287a AN |
4003 | if (ret < 0) { |
4004 | wl1271_warning("Set slot time failed %d", ret); | |
4005 | goto out; | |
4006 | } | |
4007 | } | |
f5fc0f86 | 4008 | |
e78a287a AN |
4009 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { |
4010 | if (bss_conf->use_short_preamble) | |
0603d891 | 4011 | wl1271_acx_set_preamble(wl, wlvif, ACX_PREAMBLE_SHORT); |
e78a287a | 4012 | else |
0603d891 | 4013 | wl1271_acx_set_preamble(wl, wlvif, ACX_PREAMBLE_LONG); |
e78a287a | 4014 | } |
f5fc0f86 | 4015 | |
e78a287a AN |
4016 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { |
4017 | if (bss_conf->use_cts_prot) | |
0603d891 EP |
4018 | ret = wl1271_acx_cts_protect(wl, wlvif, |
4019 | CTSPROTECT_ENABLE); | |
e78a287a | 4020 | else |
0603d891 EP |
4021 | ret = wl1271_acx_cts_protect(wl, wlvif, |
4022 | CTSPROTECT_DISABLE); | |
e78a287a AN |
4023 | if (ret < 0) { |
4024 | wl1271_warning("Set ctsprotect failed %d", ret); | |
4025 | goto out; | |
4026 | } | |
4027 | } | |
f8d9802f | 4028 | |
e78a287a AN |
4029 | out: |
4030 | return ret; | |
4031 | } | |
f5fc0f86 | 4032 | |
62c2e579 LC |
4033 | static int wlcore_set_beacon_template(struct wl1271 *wl, |
4034 | struct ieee80211_vif *vif, | |
4035 | bool is_ap) | |
4036 | { | |
4037 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
4038 | struct ieee80211_hdr *hdr; | |
4039 | u32 min_rate; | |
4040 | int ret; | |
8f6ac537 | 4041 | int ieoffset = offsetof(struct ieee80211_mgmt, u.beacon.variable); |
6e8912a5 | 4042 | struct sk_buff *beacon = ieee80211_beacon_get(wl->hw, vif, 0); |
62c2e579 LC |
4043 | u16 tmpl_id; |
4044 | ||
4045 | if (!beacon) { | |
4046 | ret = -EINVAL; | |
4047 | goto out; | |
4048 | } | |
4049 | ||
4050 | wl1271_debug(DEBUG_MASTER, "beacon updated"); | |
4051 | ||
3230f35e | 4052 | ret = wl1271_ssid_set(wlvif, beacon, ieoffset); |
62c2e579 LC |
4053 | if (ret < 0) { |
4054 | dev_kfree_skb(beacon); | |
4055 | goto out; | |
4056 | } | |
4057 | min_rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); | |
4058 | tmpl_id = is_ap ? CMD_TEMPL_AP_BEACON : | |
4059 | CMD_TEMPL_BEACON; | |
4060 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, tmpl_id, | |
4061 | beacon->data, | |
4062 | beacon->len, 0, | |
4063 | min_rate); | |
4064 | if (ret < 0) { | |
4065 | dev_kfree_skb(beacon); | |
4066 | goto out; | |
4067 | } | |
4068 | ||
d50529c0 EP |
4069 | wlvif->wmm_enabled = |
4070 | cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, | |
4071 | WLAN_OUI_TYPE_MICROSOFT_WMM, | |
4072 | beacon->data + ieoffset, | |
4073 | beacon->len - ieoffset); | |
4074 | ||
62c2e579 LC |
4075 | /* |
4076 | * In case we already have a probe-resp beacon set explicitly | |
4077 | * by usermode, don't use the beacon data. | |
4078 | */ | |
4079 | if (test_bit(WLVIF_FLAG_AP_PROBE_RESP_SET, &wlvif->flags)) | |
4080 | goto end_bcn; | |
4081 | ||
4082 | /* remove TIM ie from probe response */ | |
4083 | wl12xx_remove_ie(beacon, WLAN_EID_TIM, ieoffset); | |
4084 | ||
4085 | /* | |
4086 | * remove p2p ie from probe response. | |
4087 | * the fw reponds to probe requests that don't include | |
4088 | * the p2p ie. probe requests with p2p ie will be passed, | |
4089 | * and will be responded by the supplicant (the spec | |
4090 | * forbids including the p2p ie when responding to probe | |
4091 | * requests that didn't include it). | |
4092 | */ | |
4093 | wl12xx_remove_vendor_ie(beacon, WLAN_OUI_WFA, | |
4094 | WLAN_OUI_TYPE_WFA_P2P, ieoffset); | |
4095 | ||
4096 | hdr = (struct ieee80211_hdr *) beacon->data; | |
4097 | hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | | |
4098 | IEEE80211_STYPE_PROBE_RESP); | |
4099 | if (is_ap) | |
4100 | ret = wl1271_ap_set_probe_resp_tmpl_legacy(wl, vif, | |
4101 | beacon->data, | |
4102 | beacon->len, | |
4103 | min_rate); | |
4104 | else | |
4105 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, | |
4106 | CMD_TEMPL_PROBE_RESPONSE, | |
4107 | beacon->data, | |
4108 | beacon->len, 0, | |
4109 | min_rate); | |
4110 | end_bcn: | |
4111 | dev_kfree_skb(beacon); | |
4112 | if (ret < 0) | |
4113 | goto out; | |
4114 | ||
4115 | out: | |
4116 | return ret; | |
4117 | } | |
4118 | ||
e78a287a AN |
4119 | static int wl1271_bss_beacon_info_changed(struct wl1271 *wl, |
4120 | struct ieee80211_vif *vif, | |
4121 | struct ieee80211_bss_conf *bss_conf, | |
4122 | u32 changed) | |
4123 | { | |
87fbcb0f | 4124 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
536129c8 | 4125 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); |
e78a287a AN |
4126 | int ret = 0; |
4127 | ||
48af2eb0 | 4128 | if (changed & BSS_CHANGED_BEACON_INT) { |
e78a287a | 4129 | wl1271_debug(DEBUG_MASTER, "beacon interval updated: %d", |
60e84c2e JO |
4130 | bss_conf->beacon_int); |
4131 | ||
6a899796 | 4132 | wlvif->beacon_int = bss_conf->beacon_int; |
60e84c2e JO |
4133 | } |
4134 | ||
560f0024 AN |
4135 | if ((changed & BSS_CHANGED_AP_PROBE_RESP) && is_ap) { |
4136 | u32 rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); | |
62c2e579 LC |
4137 | |
4138 | wl1271_ap_set_probe_resp_tmpl(wl, rate, vif); | |
560f0024 AN |
4139 | } |
4140 | ||
48af2eb0 | 4141 | if (changed & BSS_CHANGED_BEACON) { |
62c2e579 | 4142 | ret = wlcore_set_beacon_template(wl, vif, is_ap); |
e78a287a AN |
4143 | if (ret < 0) |
4144 | goto out; | |
e78a287a | 4145 | |
830513ab EP |
4146 | if (test_and_clear_bit(WLVIF_FLAG_BEACON_DISABLED, |
4147 | &wlvif->flags)) { | |
4148 | ret = wlcore_hw_dfs_master_restart(wl, wlvif); | |
4149 | if (ret < 0) | |
4150 | goto out; | |
4151 | } | |
4152 | } | |
e78a287a | 4153 | out: |
560f0024 AN |
4154 | if (ret != 0) |
4155 | wl1271_error("beacon info change failed: %d", ret); | |
e78a287a AN |
4156 | return ret; |
4157 | } | |
4158 | ||
4159 | /* AP mode changes */ | |
4160 | static void wl1271_bss_info_changed_ap(struct wl1271 *wl, | |
4161 | struct ieee80211_vif *vif, | |
4162 | struct ieee80211_bss_conf *bss_conf, | |
4163 | u32 changed) | |
4164 | { | |
87fbcb0f | 4165 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
e78a287a | 4166 | int ret = 0; |
e0d8bbf0 | 4167 | |
b6970ee5 | 4168 | if (changed & BSS_CHANGED_BASIC_RATES) { |
e78a287a | 4169 | u32 rates = bss_conf->basic_rates; |
5da11dcd | 4170 | |
87fbcb0f | 4171 | wlvif->basic_rate_set = wl1271_tx_enabled_rates_get(wl, rates, |
1b92f15e | 4172 | wlvif->band); |
d2d66c56 | 4173 | wlvif->basic_rate = wl1271_tx_min_rate_get(wl, |
87fbcb0f | 4174 | wlvif->basic_rate_set); |
70f47424 | 4175 | |
87fbcb0f | 4176 | ret = wl1271_init_ap_rates(wl, wlvif); |
e78a287a | 4177 | if (ret < 0) { |
70f47424 | 4178 | wl1271_error("AP rate policy change failed %d", ret); |
e78a287a AN |
4179 | goto out; |
4180 | } | |
c45a85b5 | 4181 | |
784f694d | 4182 | ret = wl1271_ap_init_templates(wl, vif); |
c45a85b5 AN |
4183 | if (ret < 0) |
4184 | goto out; | |
62c2e579 | 4185 | |
c0174ee2 MH |
4186 | /* No need to set probe resp template for mesh */ |
4187 | if (!ieee80211_vif_is_mesh(vif)) { | |
4188 | ret = wl1271_ap_set_probe_resp_tmpl(wl, | |
4189 | wlvif->basic_rate, | |
4190 | vif); | |
4191 | if (ret < 0) | |
4192 | goto out; | |
4193 | } | |
62c2e579 LC |
4194 | |
4195 | ret = wlcore_set_beacon_template(wl, vif, true); | |
4196 | if (ret < 0) | |
4197 | goto out; | |
e78a287a | 4198 | } |
2f6724b2 | 4199 | |
e78a287a AN |
4200 | ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, changed); |
4201 | if (ret < 0) | |
4202 | goto out; | |
30240fc7 | 4203 | |
48af2eb0 | 4204 | if (changed & BSS_CHANGED_BEACON_ENABLED) { |
e78a287a | 4205 | if (bss_conf->enable_beacon) { |
53d40d0b | 4206 | if (!test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) { |
87fbcb0f | 4207 | ret = wl12xx_cmd_role_start_ap(wl, wlvif); |
e78a287a AN |
4208 | if (ret < 0) |
4209 | goto out; | |
e0d8bbf0 | 4210 | |
a8ab39a4 | 4211 | ret = wl1271_ap_init_hwenc(wl, wlvif); |
7f179b46 AN |
4212 | if (ret < 0) |
4213 | goto out; | |
cf42039f | 4214 | |
53d40d0b | 4215 | set_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags); |
cf42039f | 4216 | wl1271_debug(DEBUG_AP, "started AP"); |
e0d8bbf0 | 4217 | } |
e78a287a | 4218 | } else { |
53d40d0b | 4219 | if (test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) { |
187e52cc AN |
4220 | /* |
4221 | * AP might be in ROC in case we have just | |
4222 | * sent auth reply. handle it. | |
4223 | */ | |
4224 | if (test_bit(wlvif->role_id, wl->roc_map)) | |
4225 | wl12xx_croc(wl, wlvif->role_id); | |
4226 | ||
0603d891 | 4227 | ret = wl12xx_cmd_role_stop_ap(wl, wlvif); |
e78a287a AN |
4228 | if (ret < 0) |
4229 | goto out; | |
e0d8bbf0 | 4230 | |
53d40d0b | 4231 | clear_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags); |
560f0024 AN |
4232 | clear_bit(WLVIF_FLAG_AP_PROBE_RESP_SET, |
4233 | &wlvif->flags); | |
e78a287a AN |
4234 | wl1271_debug(DEBUG_AP, "stopped AP"); |
4235 | } | |
4236 | } | |
4237 | } | |
e0d8bbf0 | 4238 | |
0603d891 | 4239 | ret = wl1271_bss_erp_info_changed(wl, vif, bss_conf, changed); |
e78a287a AN |
4240 | if (ret < 0) |
4241 | goto out; | |
0b932ab9 AN |
4242 | |
4243 | /* Handle HT information change */ | |
4244 | if ((changed & BSS_CHANGED_HT) && | |
4bf88530 | 4245 | (bss_conf->chandef.width != NL80211_CHAN_WIDTH_20_NOHT)) { |
0603d891 | 4246 | ret = wl1271_acx_set_ht_information(wl, wlvif, |
0b932ab9 AN |
4247 | bss_conf->ht_operation_mode); |
4248 | if (ret < 0) { | |
4249 | wl1271_warning("Set ht information failed %d", ret); | |
4250 | goto out; | |
4251 | } | |
4252 | } | |
4253 | ||
e78a287a AN |
4254 | out: |
4255 | return; | |
4256 | } | |
8bf29b0e | 4257 | |
3230f35e | 4258 | static int wlcore_set_bssid(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
f276e20b | 4259 | struct ieee80211_vif *vif, u32 sta_rate_set) |
3230f35e | 4260 | { |
f276e20b | 4261 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; |
3230f35e EP |
4262 | u32 rates; |
4263 | int ret; | |
4264 | ||
4265 | wl1271_debug(DEBUG_MAC80211, | |
4266 | "changed_bssid: %pM, aid: %d, bcn_int: %d, brates: 0x%x sta_rate_set: 0x%x", | |
f276e20b | 4267 | bss_conf->bssid, vif->cfg.aid, |
3230f35e EP |
4268 | bss_conf->beacon_int, |
4269 | bss_conf->basic_rates, sta_rate_set); | |
4270 | ||
4271 | wlvif->beacon_int = bss_conf->beacon_int; | |
4272 | rates = bss_conf->basic_rates; | |
4273 | wlvif->basic_rate_set = | |
4274 | wl1271_tx_enabled_rates_get(wl, rates, | |
4275 | wlvif->band); | |
4276 | wlvif->basic_rate = | |
4277 | wl1271_tx_min_rate_get(wl, | |
4278 | wlvif->basic_rate_set); | |
4279 | ||
4280 | if (sta_rate_set) | |
4281 | wlvif->rate_set = | |
4282 | wl1271_tx_enabled_rates_get(wl, | |
4283 | sta_rate_set, | |
4284 | wlvif->band); | |
4285 | ||
4286 | /* we only support sched_scan while not connected */ | |
10199756 | 4287 | if (wl->sched_vif == wlvif) |
78e28062 | 4288 | wl->ops->sched_scan_stop(wl, wlvif); |
3230f35e EP |
4289 | |
4290 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); | |
4291 | if (ret < 0) | |
4292 | return ret; | |
4293 | ||
4294 | ret = wl12xx_cmd_build_null_data(wl, wlvif); | |
4295 | if (ret < 0) | |
4296 | return ret; | |
4297 | ||
4298 | ret = wl1271_build_qos_null_data(wl, wl12xx_wlvif_to_vif(wlvif)); | |
4299 | if (ret < 0) | |
4300 | return ret; | |
4301 | ||
4302 | wlcore_set_ssid(wl, wlvif); | |
4303 | ||
4304 | set_bit(WLVIF_FLAG_IN_USE, &wlvif->flags); | |
4305 | ||
4306 | return 0; | |
4307 | } | |
4308 | ||
4309 | static int wlcore_clear_bssid(struct wl1271 *wl, struct wl12xx_vif *wlvif) | |
4310 | { | |
4311 | int ret; | |
4312 | ||
4313 | /* revert back to minimum rates for the current band */ | |
4314 | wl1271_set_band_rate(wl, wlvif); | |
4315 | wlvif->basic_rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); | |
4316 | ||
4317 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); | |
4318 | if (ret < 0) | |
4319 | return ret; | |
4320 | ||
4321 | if (wlvif->bss_type == BSS_TYPE_STA_BSS && | |
4322 | test_bit(WLVIF_FLAG_IN_USE, &wlvif->flags)) { | |
4323 | ret = wl12xx_cmd_role_stop_sta(wl, wlvif); | |
4324 | if (ret < 0) | |
4325 | return ret; | |
4326 | } | |
4327 | ||
4328 | clear_bit(WLVIF_FLAG_IN_USE, &wlvif->flags); | |
4329 | return 0; | |
4330 | } | |
e78a287a AN |
4331 | /* STA/IBSS mode changes */ |
4332 | static void wl1271_bss_info_changed_sta(struct wl1271 *wl, | |
4333 | struct ieee80211_vif *vif, | |
4334 | struct ieee80211_bss_conf *bss_conf, | |
4335 | u32 changed) | |
4336 | { | |
87fbcb0f | 4337 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
3230f35e | 4338 | bool do_join = false; |
536129c8 | 4339 | bool is_ibss = (wlvif->bss_type == BSS_TYPE_IBSS); |
227e81e1 | 4340 | bool ibss_joined = false; |
72c2d9e5 | 4341 | u32 sta_rate_set = 0; |
e78a287a | 4342 | int ret; |
2d6e4e76 | 4343 | struct ieee80211_sta *sta; |
a100885d AN |
4344 | bool sta_exists = false; |
4345 | struct ieee80211_sta_ht_cap sta_ht_cap; | |
e78a287a AN |
4346 | |
4347 | if (is_ibss) { | |
4348 | ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, | |
4349 | changed); | |
4350 | if (ret < 0) | |
4351 | goto out; | |
e0d8bbf0 JO |
4352 | } |
4353 | ||
227e81e1 | 4354 | if (changed & BSS_CHANGED_IBSS) { |
f276e20b | 4355 | if (vif->cfg.ibss_joined) { |
eee514e3 | 4356 | set_bit(WLVIF_FLAG_IBSS_JOINED, &wlvif->flags); |
227e81e1 EP |
4357 | ibss_joined = true; |
4358 | } else { | |
3230f35e EP |
4359 | wlcore_unset_assoc(wl, wlvif); |
4360 | wl12xx_cmd_role_stop_sta(wl, wlvif); | |
227e81e1 EP |
4361 | } |
4362 | } | |
4363 | ||
4364 | if ((changed & BSS_CHANGED_BEACON_INT) && ibss_joined) | |
e78a287a AN |
4365 | do_join = true; |
4366 | ||
4367 | /* Need to update the SSID (for filtering etc) */ | |
227e81e1 | 4368 | if ((changed & BSS_CHANGED_BEACON) && ibss_joined) |
e78a287a AN |
4369 | do_join = true; |
4370 | ||
227e81e1 | 4371 | if ((changed & BSS_CHANGED_BEACON_ENABLED) && ibss_joined) { |
5da11dcd JO |
4372 | wl1271_debug(DEBUG_ADHOC, "ad-hoc beaconing: %s", |
4373 | bss_conf->enable_beacon ? "enabled" : "disabled"); | |
4374 | ||
5da11dcd JO |
4375 | do_join = true; |
4376 | } | |
4377 | ||
b0ed8a4d | 4378 | if (changed & BSS_CHANGED_IDLE && !is_ibss) |
f276e20b | 4379 | wl1271_sta_handle_idle(wl, wlvif, vif->cfg.idle); |
b0ed8a4d | 4380 | |
48af2eb0 | 4381 | if (changed & BSS_CHANGED_CQM) { |
00236aed JO |
4382 | bool enable = false; |
4383 | if (bss_conf->cqm_rssi_thold) | |
4384 | enable = true; | |
0603d891 | 4385 | ret = wl1271_acx_rssi_snr_trigger(wl, wlvif, enable, |
00236aed JO |
4386 | bss_conf->cqm_rssi_thold, |
4387 | bss_conf->cqm_rssi_hyst); | |
4388 | if (ret < 0) | |
4389 | goto out; | |
04324d99 | 4390 | wlvif->rssi_thold = bss_conf->cqm_rssi_thold; |
00236aed JO |
4391 | } |
4392 | ||
ec87011a EP |
4393 | if (changed & (BSS_CHANGED_BSSID | BSS_CHANGED_HT | |
4394 | BSS_CHANGED_ASSOC)) { | |
0f9c8250 AN |
4395 | rcu_read_lock(); |
4396 | sta = ieee80211_find_sta(vif, bss_conf->bssid); | |
ef08d028 | 4397 | if (sta) { |
046d2e7c | 4398 | u8 *rx_mask = sta->deflink.ht_cap.mcs.rx_mask; |
ef08d028 LC |
4399 | |
4400 | /* save the supp_rates of the ap */ | |
046d2e7c S |
4401 | sta_rate_set = sta->deflink.supp_rates[wlvif->band]; |
4402 | if (sta->deflink.ht_cap.ht_supported) | |
ef08d028 LC |
4403 | sta_rate_set |= |
4404 | (rx_mask[0] << HW_HT_RATES_OFFSET) | | |
4405 | (rx_mask[1] << HW_MIMO_RATES_OFFSET); | |
046d2e7c | 4406 | sta_ht_cap = sta->deflink.ht_cap; |
ef08d028 LC |
4407 | sta_exists = true; |
4408 | } | |
4409 | ||
0f9c8250 | 4410 | rcu_read_unlock(); |
72c2d9e5 | 4411 | } |
72c2d9e5 | 4412 | |
3230f35e EP |
4413 | if (changed & BSS_CHANGED_BSSID) { |
4414 | if (!is_zero_ether_addr(bss_conf->bssid)) { | |
f276e20b | 4415 | ret = wlcore_set_bssid(wl, wlvif, vif, |
3230f35e | 4416 | sta_rate_set); |
f5fc0f86 | 4417 | if (ret < 0) |
e78a287a | 4418 | goto out; |
f5fc0f86 | 4419 | |
3230f35e EP |
4420 | /* Need to update the BSSID (for filtering etc) */ |
4421 | do_join = true; | |
d94cd297 | 4422 | } else { |
3230f35e | 4423 | ret = wlcore_clear_bssid(wl, wlvif); |
6ccbb92e | 4424 | if (ret < 0) |
e78a287a | 4425 | goto out; |
f5fc0f86 | 4426 | } |
f5fc0f86 LC |
4427 | } |
4428 | ||
d192d268 EP |
4429 | if (changed & BSS_CHANGED_IBSS) { |
4430 | wl1271_debug(DEBUG_ADHOC, "ibss_joined: %d", | |
f276e20b | 4431 | vif->cfg.ibss_joined); |
d192d268 | 4432 | |
f276e20b | 4433 | if (vif->cfg.ibss_joined) { |
d192d268 | 4434 | u32 rates = bss_conf->basic_rates; |
87fbcb0f | 4435 | wlvif->basic_rate_set = |
af7fbb28 | 4436 | wl1271_tx_enabled_rates_get(wl, rates, |
1b92f15e | 4437 | wlvif->band); |
d2d66c56 | 4438 | wlvif->basic_rate = |
87fbcb0f EP |
4439 | wl1271_tx_min_rate_get(wl, |
4440 | wlvif->basic_rate_set); | |
d192d268 | 4441 | |
06b660e1 | 4442 | /* by default, use 11b + OFDM rates */ |
30d0c8fd EP |
4443 | wlvif->rate_set = CONF_TX_IBSS_DEFAULT_RATES; |
4444 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); | |
d192d268 EP |
4445 | if (ret < 0) |
4446 | goto out; | |
4447 | } | |
4448 | } | |
4449 | ||
d881fa2c EP |
4450 | if ((changed & BSS_CHANGED_BEACON_INFO) && bss_conf->dtim_period) { |
4451 | /* enable beacon filtering */ | |
4452 | ret = wl1271_acx_beacon_filter_opt(wl, wlvif, true); | |
4453 | if (ret < 0) | |
4454 | goto out; | |
4455 | } | |
4456 | ||
0603d891 | 4457 | ret = wl1271_bss_erp_info_changed(wl, vif, bss_conf, changed); |
e78a287a AN |
4458 | if (ret < 0) |
4459 | goto out; | |
f5fc0f86 | 4460 | |
8bf29b0e | 4461 | if (do_join) { |
3230f35e | 4462 | ret = wlcore_join(wl, wlvif); |
8bf29b0e JO |
4463 | if (ret < 0) { |
4464 | wl1271_warning("cmd join failed %d", ret); | |
e78a287a | 4465 | goto out; |
8bf29b0e | 4466 | } |
3230f35e | 4467 | } |
251c177f | 4468 | |
3230f35e | 4469 | if (changed & BSS_CHANGED_ASSOC) { |
f276e20b | 4470 | if (vif->cfg.assoc) { |
ec87011a EP |
4471 | ret = wlcore_set_assoc(wl, wlvif, bss_conf, |
4472 | sta_rate_set); | |
251c177f EP |
4473 | if (ret < 0) |
4474 | goto out; | |
4475 | ||
9fd6f21b EP |
4476 | if (test_bit(WLVIF_FLAG_STA_AUTHORIZED, &wlvif->flags)) |
4477 | wl12xx_set_authorized(wl, wlvif); | |
3230f35e EP |
4478 | } else { |
4479 | wlcore_unset_assoc(wl, wlvif); | |
251c177f | 4480 | } |
c1899554 JO |
4481 | } |
4482 | ||
518b680a | 4483 | if (changed & BSS_CHANGED_PS) { |
a3b8008d | 4484 | if (vif->cfg.ps && |
518b680a EP |
4485 | test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) && |
4486 | !test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags)) { | |
4487 | int ps_mode; | |
4488 | char *ps_mode_str; | |
4489 | ||
4490 | if (wl->conf.conn.forced_ps) { | |
4491 | ps_mode = STATION_POWER_SAVE_MODE; | |
4492 | ps_mode_str = "forced"; | |
4493 | } else { | |
4494 | ps_mode = STATION_AUTO_PS_MODE; | |
4495 | ps_mode_str = "auto"; | |
4496 | } | |
4497 | ||
4498 | wl1271_debug(DEBUG_PSM, "%s ps enabled", ps_mode_str); | |
4499 | ||
4500 | ret = wl1271_ps_set_mode(wl, wlvif, ps_mode); | |
251c177f | 4501 | if (ret < 0) |
518b680a EP |
4502 | wl1271_warning("enter %s ps failed %d", |
4503 | ps_mode_str, ret); | |
a3b8008d | 4504 | } else if (!vif->cfg.ps && |
518b680a EP |
4505 | test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags)) { |
4506 | wl1271_debug(DEBUG_PSM, "auto ps disabled"); | |
4507 | ||
4508 | ret = wl1271_ps_set_mode(wl, wlvif, | |
4509 | STATION_ACTIVE_MODE); | |
4510 | if (ret < 0) | |
4511 | wl1271_warning("exit auto ps failed %d", ret); | |
251c177f | 4512 | } |
c1899554 JO |
4513 | } |
4514 | ||
0b932ab9 | 4515 | /* Handle new association with HT. Do this after join. */ |
6f0b1bb2 | 4516 | if (sta_exists) { |
58321b29 | 4517 | bool enabled = |
aaabee8b | 4518 | bss_conf->chandef.width != NL80211_CHAN_WIDTH_20_NOHT; |
58321b29 | 4519 | |
530abe19 EP |
4520 | ret = wlcore_hw_set_peer_cap(wl, |
4521 | &sta_ht_cap, | |
4522 | enabled, | |
4523 | wlvif->rate_set, | |
4524 | wlvif->sta.hlid); | |
58321b29 EP |
4525 | if (ret < 0) { |
4526 | wl1271_warning("Set ht cap failed %d", ret); | |
4527 | goto out; | |
4528 | ||
0f9c8250 | 4529 | } |
58321b29 EP |
4530 | |
4531 | if (enabled) { | |
4532 | ret = wl1271_acx_set_ht_information(wl, wlvif, | |
4533 | bss_conf->ht_operation_mode); | |
0f9c8250 | 4534 | if (ret < 0) { |
58321b29 | 4535 | wl1271_warning("Set ht information failed %d", |
0f9c8250 AN |
4536 | ret); |
4537 | goto out; | |
4538 | } | |
4539 | } | |
4540 | } | |
4541 | ||
76a74c8a EP |
4542 | /* Handle arp filtering. Done after join. */ |
4543 | if ((changed & BSS_CHANGED_ARP_FILTER) || | |
4544 | (!is_ibss && (changed & BSS_CHANGED_QOS))) { | |
f276e20b | 4545 | __be32 addr = vif->cfg.arp_addr_list[0]; |
76a74c8a EP |
4546 | wlvif->sta.qos = bss_conf->qos; |
4547 | WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS); | |
4548 | ||
f276e20b | 4549 | if (vif->cfg.arp_addr_cnt == 1 && vif->cfg.assoc) { |
76a74c8a EP |
4550 | wlvif->ip_addr = addr; |
4551 | /* | |
4552 | * The template should have been configured only upon | |
4553 | * association. however, it seems that the correct ip | |
4554 | * isn't being set (when sending), so we have to | |
4555 | * reconfigure the template upon every ip change. | |
4556 | */ | |
4557 | ret = wl1271_cmd_build_arp_rsp(wl, wlvif); | |
4558 | if (ret < 0) { | |
4559 | wl1271_warning("build arp rsp failed: %d", ret); | |
4560 | goto out; | |
4561 | } | |
4562 | ||
4563 | ret = wl1271_acx_arp_ip_filter(wl, wlvif, | |
4564 | (ACX_ARP_FILTER_ARP_FILTERING | | |
4565 | ACX_ARP_FILTER_AUTO_ARP), | |
4566 | addr); | |
4567 | } else { | |
4568 | wlvif->ip_addr = 0; | |
4569 | ret = wl1271_acx_arp_ip_filter(wl, wlvif, 0, addr); | |
4570 | } | |
4571 | ||
4572 | if (ret < 0) | |
4573 | goto out; | |
4574 | } | |
4575 | ||
e78a287a AN |
4576 | out: |
4577 | return; | |
4578 | } | |
4579 | ||
4580 | static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, | |
4581 | struct ieee80211_vif *vif, | |
4582 | struct ieee80211_bss_conf *bss_conf, | |
7b7090b4 | 4583 | u64 changed) |
e78a287a AN |
4584 | { |
4585 | struct wl1271 *wl = hw->priv; | |
536129c8 EP |
4586 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
4587 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); | |
e78a287a AN |
4588 | int ret; |
4589 | ||
d3f5a1b5 EP |
4590 | wl1271_debug(DEBUG_MAC80211, "mac80211 bss info role %d changed 0x%x", |
4591 | wlvif->role_id, (int)changed); | |
e78a287a | 4592 | |
6b8bf5bc AN |
4593 | /* |
4594 | * make sure to cancel pending disconnections if our association | |
4595 | * state changed | |
4596 | */ | |
4597 | if (!is_ap && (changed & BSS_CHANGED_ASSOC)) | |
c50a2825 | 4598 | cancel_delayed_work_sync(&wlvif->connection_loss_work); |
6b8bf5bc | 4599 | |
b515d83a EP |
4600 | if (is_ap && (changed & BSS_CHANGED_BEACON_ENABLED) && |
4601 | !bss_conf->enable_beacon) | |
4602 | wl1271_tx_flush(wl); | |
4603 | ||
e78a287a AN |
4604 | mutex_lock(&wl->mutex); |
4605 | ||
4cc53383 | 4606 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
e78a287a AN |
4607 | goto out; |
4608 | ||
10c8cd01 EP |
4609 | if (unlikely(!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags))) |
4610 | goto out; | |
4611 | ||
ab589ac2 MC |
4612 | ret = pm_runtime_resume_and_get(wl->dev); |
4613 | if (ret < 0) | |
e78a287a AN |
4614 | goto out; |
4615 | ||
b30d49b2 AG |
4616 | if ((changed & BSS_CHANGED_TXPOWER) && |
4617 | bss_conf->txpower != wlvif->power_level) { | |
4618 | ||
4619 | ret = wl1271_acx_tx_power(wl, wlvif, bss_conf->txpower); | |
4620 | if (ret < 0) | |
4621 | goto out; | |
4622 | ||
4623 | wlvif->power_level = bss_conf->txpower; | |
4624 | } | |
4625 | ||
e78a287a AN |
4626 | if (is_ap) |
4627 | wl1271_bss_info_changed_ap(wl, vif, bss_conf, changed); | |
4628 | else | |
4629 | wl1271_bss_info_changed_sta(wl, vif, bss_conf, changed); | |
4630 | ||
9b71578d TL |
4631 | pm_runtime_mark_last_busy(wl->dev); |
4632 | pm_runtime_put_autosuspend(wl->dev); | |
f5fc0f86 LC |
4633 | |
4634 | out: | |
4635 | mutex_unlock(&wl->mutex); | |
4636 | } | |
4637 | ||
b6970ee5 EP |
4638 | static int wlcore_op_add_chanctx(struct ieee80211_hw *hw, |
4639 | struct ieee80211_chanctx_conf *ctx) | |
4640 | { | |
4641 | wl1271_debug(DEBUG_MAC80211, "mac80211 add chanctx %d (type %d)", | |
aaabee8b LC |
4642 | ieee80211_frequency_to_channel(ctx->def.chan->center_freq), |
4643 | cfg80211_get_chandef_type(&ctx->def)); | |
b6970ee5 EP |
4644 | return 0; |
4645 | } | |
4646 | ||
4647 | static void wlcore_op_remove_chanctx(struct ieee80211_hw *hw, | |
4648 | struct ieee80211_chanctx_conf *ctx) | |
4649 | { | |
4650 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove 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 | } |
4654 | ||
4655 | static void wlcore_op_change_chanctx(struct ieee80211_hw *hw, | |
4656 | struct ieee80211_chanctx_conf *ctx, | |
4657 | u32 changed) | |
4658 | { | |
750e9d15 EP |
4659 | struct wl1271 *wl = hw->priv; |
4660 | struct wl12xx_vif *wlvif; | |
4661 | int ret; | |
4662 | int channel = ieee80211_frequency_to_channel( | |
4663 | ctx->def.chan->center_freq); | |
4664 | ||
b6970ee5 EP |
4665 | wl1271_debug(DEBUG_MAC80211, |
4666 | "mac80211 change chanctx %d (type %d) changed 0x%x", | |
750e9d15 EP |
4667 | channel, cfg80211_get_chandef_type(&ctx->def), changed); |
4668 | ||
4669 | mutex_lock(&wl->mutex); | |
4670 | ||
ab589ac2 MC |
4671 | ret = pm_runtime_resume_and_get(wl->dev); |
4672 | if (ret < 0) | |
750e9d15 EP |
4673 | goto out; |
4674 | ||
4675 | wl12xx_for_each_wlvif(wl, wlvif) { | |
4676 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); | |
4677 | ||
4678 | rcu_read_lock(); | |
d0a9123e | 4679 | if (rcu_access_pointer(vif->bss_conf.chanctx_conf) != ctx) { |
750e9d15 EP |
4680 | rcu_read_unlock(); |
4681 | continue; | |
4682 | } | |
4683 | rcu_read_unlock(); | |
4684 | ||
4685 | /* start radar if needed */ | |
4686 | if (changed & IEEE80211_CHANCTX_CHANGE_RADAR && | |
4687 | wlvif->bss_type == BSS_TYPE_AP_BSS && | |
4688 | ctx->radar_enabled && !wlvif->radar_enabled && | |
4689 | ctx->def.chan->dfs_state == NL80211_DFS_USABLE) { | |
4690 | wl1271_debug(DEBUG_MAC80211, "Start radar detection"); | |
4691 | wlcore_hw_set_cac(wl, wlvif, true); | |
4692 | wlvif->radar_enabled = true; | |
4693 | } | |
4694 | } | |
4695 | ||
9b71578d TL |
4696 | pm_runtime_mark_last_busy(wl->dev); |
4697 | pm_runtime_put_autosuspend(wl->dev); | |
750e9d15 EP |
4698 | out: |
4699 | mutex_unlock(&wl->mutex); | |
b6970ee5 EP |
4700 | } |
4701 | ||
4702 | static int wlcore_op_assign_vif_chanctx(struct ieee80211_hw *hw, | |
4703 | struct ieee80211_vif *vif, | |
b4f85443 | 4704 | unsigned int link_id, |
b6970ee5 EP |
4705 | struct ieee80211_chanctx_conf *ctx) |
4706 | { | |
4707 | struct wl1271 *wl = hw->priv; | |
4708 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
4709 | int channel = ieee80211_frequency_to_channel( | |
aaabee8b | 4710 | ctx->def.chan->center_freq); |
750e9d15 | 4711 | int ret = -EINVAL; |
b6970ee5 EP |
4712 | |
4713 | wl1271_debug(DEBUG_MAC80211, | |
750e9d15 EP |
4714 | "mac80211 assign chanctx (role %d) %d (type %d) (radar %d dfs_state %d)", |
4715 | wlvif->role_id, channel, | |
4716 | cfg80211_get_chandef_type(&ctx->def), | |
4717 | ctx->radar_enabled, ctx->def.chan->dfs_state); | |
b6970ee5 EP |
4718 | |
4719 | mutex_lock(&wl->mutex); | |
4720 | ||
750e9d15 EP |
4721 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
4722 | goto out; | |
4723 | ||
4724 | if (unlikely(!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags))) | |
4725 | goto out; | |
4726 | ||
ab589ac2 MC |
4727 | ret = pm_runtime_resume_and_get(wl->dev); |
4728 | if (ret < 0) | |
750e9d15 EP |
4729 | goto out; |
4730 | ||
aaabee8b | 4731 | wlvif->band = ctx->def.chan->band; |
b6970ee5 | 4732 | wlvif->channel = channel; |
aaabee8b | 4733 | wlvif->channel_type = cfg80211_get_chandef_type(&ctx->def); |
b6970ee5 EP |
4734 | |
4735 | /* update default rates according to the band */ | |
4736 | wl1271_set_band_rate(wl, wlvif); | |
4737 | ||
750e9d15 EP |
4738 | if (ctx->radar_enabled && |
4739 | ctx->def.chan->dfs_state == NL80211_DFS_USABLE) { | |
4740 | wl1271_debug(DEBUG_MAC80211, "Start radar detection"); | |
4741 | wlcore_hw_set_cac(wl, wlvif, true); | |
4742 | wlvif->radar_enabled = true; | |
4743 | } | |
4744 | ||
9b71578d TL |
4745 | pm_runtime_mark_last_busy(wl->dev); |
4746 | pm_runtime_put_autosuspend(wl->dev); | |
750e9d15 | 4747 | out: |
b6970ee5 EP |
4748 | mutex_unlock(&wl->mutex); |
4749 | ||
4750 | return 0; | |
4751 | } | |
4752 | ||
4753 | static void wlcore_op_unassign_vif_chanctx(struct ieee80211_hw *hw, | |
4754 | struct ieee80211_vif *vif, | |
b4f85443 | 4755 | unsigned int link_id, |
b6970ee5 EP |
4756 | struct ieee80211_chanctx_conf *ctx) |
4757 | { | |
4758 | struct wl1271 *wl = hw->priv; | |
4759 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
750e9d15 | 4760 | int ret; |
b6970ee5 EP |
4761 | |
4762 | wl1271_debug(DEBUG_MAC80211, | |
4763 | "mac80211 unassign chanctx (role %d) %d (type %d)", | |
4764 | wlvif->role_id, | |
aaabee8b LC |
4765 | ieee80211_frequency_to_channel(ctx->def.chan->center_freq), |
4766 | cfg80211_get_chandef_type(&ctx->def)); | |
b6970ee5 EP |
4767 | |
4768 | wl1271_tx_flush(wl); | |
750e9d15 EP |
4769 | |
4770 | mutex_lock(&wl->mutex); | |
4771 | ||
4772 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
4773 | goto out; | |
4774 | ||
4775 | if (unlikely(!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags))) | |
4776 | goto out; | |
4777 | ||
ab589ac2 MC |
4778 | ret = pm_runtime_resume_and_get(wl->dev); |
4779 | if (ret < 0) | |
750e9d15 EP |
4780 | goto out; |
4781 | ||
4782 | if (wlvif->radar_enabled) { | |
4783 | wl1271_debug(DEBUG_MAC80211, "Stop radar detection"); | |
4784 | wlcore_hw_set_cac(wl, wlvif, false); | |
4785 | wlvif->radar_enabled = false; | |
4786 | } | |
4787 | ||
9b71578d TL |
4788 | pm_runtime_mark_last_busy(wl->dev); |
4789 | pm_runtime_put_autosuspend(wl->dev); | |
750e9d15 EP |
4790 | out: |
4791 | mutex_unlock(&wl->mutex); | |
4792 | } | |
4793 | ||
4794 | static int __wlcore_switch_vif_chan(struct wl1271 *wl, | |
4795 | struct wl12xx_vif *wlvif, | |
4796 | struct ieee80211_chanctx_conf *new_ctx) | |
4797 | { | |
4798 | int channel = ieee80211_frequency_to_channel( | |
4799 | new_ctx->def.chan->center_freq); | |
4800 | ||
4801 | wl1271_debug(DEBUG_MAC80211, | |
4802 | "switch vif (role %d) %d -> %d chan_type: %d", | |
4803 | wlvif->role_id, wlvif->channel, channel, | |
4804 | cfg80211_get_chandef_type(&new_ctx->def)); | |
4805 | ||
4806 | if (WARN_ON_ONCE(wlvif->bss_type != BSS_TYPE_AP_BSS)) | |
4807 | return 0; | |
4808 | ||
830513ab EP |
4809 | WARN_ON(!test_bit(WLVIF_FLAG_BEACON_DISABLED, &wlvif->flags)); |
4810 | ||
750e9d15 EP |
4811 | if (wlvif->radar_enabled) { |
4812 | wl1271_debug(DEBUG_MAC80211, "Stop radar detection"); | |
4813 | wlcore_hw_set_cac(wl, wlvif, false); | |
4814 | wlvif->radar_enabled = false; | |
4815 | } | |
4816 | ||
4817 | wlvif->band = new_ctx->def.chan->band; | |
4818 | wlvif->channel = channel; | |
4819 | wlvif->channel_type = cfg80211_get_chandef_type(&new_ctx->def); | |
4820 | ||
4821 | /* start radar if needed */ | |
4822 | if (new_ctx->radar_enabled) { | |
4823 | wl1271_debug(DEBUG_MAC80211, "Start radar detection"); | |
4824 | wlcore_hw_set_cac(wl, wlvif, true); | |
4825 | wlvif->radar_enabled = true; | |
4826 | } | |
4827 | ||
4828 | return 0; | |
4829 | } | |
4830 | ||
4831 | static int | |
4832 | wlcore_op_switch_vif_chanctx(struct ieee80211_hw *hw, | |
4833 | struct ieee80211_vif_chanctx_switch *vifs, | |
4834 | int n_vifs, | |
4835 | enum ieee80211_chanctx_switch_mode mode) | |
4836 | { | |
4837 | struct wl1271 *wl = hw->priv; | |
4838 | int i, ret; | |
4839 | ||
4840 | wl1271_debug(DEBUG_MAC80211, | |
4841 | "mac80211 switch chanctx n_vifs %d mode %d", | |
4842 | n_vifs, mode); | |
4843 | ||
4844 | mutex_lock(&wl->mutex); | |
4845 | ||
ab589ac2 MC |
4846 | ret = pm_runtime_resume_and_get(wl->dev); |
4847 | if (ret < 0) | |
750e9d15 EP |
4848 | goto out; |
4849 | ||
4850 | for (i = 0; i < n_vifs; i++) { | |
4851 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vifs[i].vif); | |
4852 | ||
4853 | ret = __wlcore_switch_vif_chan(wl, wlvif, vifs[i].new_ctx); | |
4854 | if (ret) | |
4855 | goto out_sleep; | |
4856 | } | |
4857 | out_sleep: | |
9b71578d TL |
4858 | pm_runtime_mark_last_busy(wl->dev); |
4859 | pm_runtime_put_autosuspend(wl->dev); | |
750e9d15 EP |
4860 | out: |
4861 | mutex_unlock(&wl->mutex); | |
4862 | ||
4863 | return 0; | |
b6970ee5 EP |
4864 | } |
4865 | ||
8a3a3c85 EP |
4866 | static int wl1271_op_conf_tx(struct ieee80211_hw *hw, |
4867 | struct ieee80211_vif *vif, u16 queue, | |
c6999d83 KV |
4868 | const struct ieee80211_tx_queue_params *params) |
4869 | { | |
4870 | struct wl1271 *wl = hw->priv; | |
0603d891 | 4871 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
4695dc91 | 4872 | u8 ps_scheme; |
488fc540 | 4873 | int ret = 0; |
c6999d83 | 4874 | |
7845af35 EP |
4875 | if (wlcore_is_p2p_mgmt(wlvif)) |
4876 | return 0; | |
4877 | ||
c6999d83 KV |
4878 | mutex_lock(&wl->mutex); |
4879 | ||
4880 | wl1271_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue); | |
4881 | ||
4695dc91 KV |
4882 | if (params->uapsd) |
4883 | ps_scheme = CONF_PS_SCHEME_UPSD_TRIGGER; | |
4884 | else | |
4885 | ps_scheme = CONF_PS_SCHEME_LEGACY; | |
4886 | ||
5b37ddfe | 4887 | if (!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) |
c1b193eb | 4888 | goto out; |
488fc540 | 4889 | |
ab589ac2 MC |
4890 | ret = pm_runtime_resume_and_get(wl->dev); |
4891 | if (ret < 0) | |
c1b193eb | 4892 | goto out; |
488fc540 | 4893 | |
c1b193eb EP |
4894 | /* |
4895 | * the txop is confed in units of 32us by the mac80211, | |
4896 | * we need us | |
4897 | */ | |
0603d891 | 4898 | ret = wl1271_acx_ac_cfg(wl, wlvif, wl1271_tx_get_queue(queue), |
c1b193eb EP |
4899 | params->cw_min, params->cw_max, |
4900 | params->aifs, params->txop << 5); | |
4901 | if (ret < 0) | |
4902 | goto out_sleep; | |
4903 | ||
0603d891 | 4904 | ret = wl1271_acx_tid_cfg(wl, wlvif, wl1271_tx_get_queue(queue), |
c1b193eb EP |
4905 | CONF_CHANNEL_TYPE_EDCF, |
4906 | wl1271_tx_get_queue(queue), | |
4907 | ps_scheme, CONF_ACK_POLICY_LEGACY, | |
4908 | 0, 0); | |
c82c1dde KV |
4909 | |
4910 | out_sleep: | |
9b71578d TL |
4911 | pm_runtime_mark_last_busy(wl->dev); |
4912 | pm_runtime_put_autosuspend(wl->dev); | |
c6999d83 KV |
4913 | |
4914 | out: | |
4915 | mutex_unlock(&wl->mutex); | |
4916 | ||
4917 | return ret; | |
4918 | } | |
4919 | ||
37a41b4a EP |
4920 | static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw, |
4921 | struct ieee80211_vif *vif) | |
bbbb538e JO |
4922 | { |
4923 | ||
4924 | struct wl1271 *wl = hw->priv; | |
9c531149 | 4925 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
bbbb538e JO |
4926 | u64 mactime = ULLONG_MAX; |
4927 | int ret; | |
4928 | ||
4929 | wl1271_debug(DEBUG_MAC80211, "mac80211 get tsf"); | |
4930 | ||
4931 | mutex_lock(&wl->mutex); | |
4932 | ||
4cc53383 | 4933 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
f8d9802f JO |
4934 | goto out; |
4935 | ||
ab589ac2 MC |
4936 | ret = pm_runtime_resume_and_get(wl->dev); |
4937 | if (ret < 0) | |
bbbb538e JO |
4938 | goto out; |
4939 | ||
9c531149 | 4940 | ret = wl12xx_acx_tsf_info(wl, wlvif, &mactime); |
bbbb538e JO |
4941 | if (ret < 0) |
4942 | goto out_sleep; | |
4943 | ||
4944 | out_sleep: | |
9b71578d TL |
4945 | pm_runtime_mark_last_busy(wl->dev); |
4946 | pm_runtime_put_autosuspend(wl->dev); | |
bbbb538e JO |
4947 | |
4948 | out: | |
4949 | mutex_unlock(&wl->mutex); | |
4950 | return mactime; | |
4951 | } | |
f5fc0f86 | 4952 | |
ece550d0 JL |
4953 | static int wl1271_op_get_survey(struct ieee80211_hw *hw, int idx, |
4954 | struct survey_info *survey) | |
4955 | { | |
ece550d0 | 4956 | struct ieee80211_conf *conf = &hw->conf; |
b739a42c | 4957 | |
ece550d0 JL |
4958 | if (idx != 0) |
4959 | return -ENOENT; | |
b739a42c | 4960 | |
675a0b04 | 4961 | survey->channel = conf->chandef.chan; |
add779a0 | 4962 | survey->filled = 0; |
ece550d0 JL |
4963 | return 0; |
4964 | } | |
4965 | ||
409622ec | 4966 | static int wl1271_allocate_sta(struct wl1271 *wl, |
c7ffb902 EP |
4967 | struct wl12xx_vif *wlvif, |
4968 | struct ieee80211_sta *sta) | |
f84f7d78 AN |
4969 | { |
4970 | struct wl1271_station *wl_sta; | |
c7ffb902 | 4971 | int ret; |
f84f7d78 | 4972 | |
c7ffb902 | 4973 | |
32f0fd5b | 4974 | if (wl->active_sta_count >= wl->max_ap_stations) { |
f84f7d78 AN |
4975 | wl1271_warning("could not allocate HLID - too much stations"); |
4976 | return -EBUSY; | |
4977 | } | |
4978 | ||
4979 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
c7ffb902 EP |
4980 | ret = wl12xx_allocate_link(wl, wlvif, &wl_sta->hlid); |
4981 | if (ret < 0) { | |
4982 | wl1271_warning("could not allocate HLID - too many links"); | |
4983 | return -EBUSY; | |
4984 | } | |
4985 | ||
0e752df6 AN |
4986 | /* use the previous security seq, if this is a recovery/resume */ |
4987 | wl->links[wl_sta->hlid].total_freed_pkts = wl_sta->total_freed_pkts; | |
4988 | ||
c7ffb902 | 4989 | set_bit(wl_sta->hlid, wlvif->ap.sta_hlid_map); |
b622d992 | 4990 | memcpy(wl->links[wl_sta->hlid].addr, sta->addr, ETH_ALEN); |
da03209e | 4991 | wl->active_sta_count++; |
f84f7d78 AN |
4992 | return 0; |
4993 | } | |
4994 | ||
c7ffb902 | 4995 | void wl1271_free_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid) |
f84f7d78 | 4996 | { |
c7ffb902 | 4997 | if (!test_bit(hlid, wlvif->ap.sta_hlid_map)) |
f1acea9a AN |
4998 | return; |
4999 | ||
c7ffb902 | 5000 | clear_bit(hlid, wlvif->ap.sta_hlid_map); |
b622d992 | 5001 | __clear_bit(hlid, &wl->ap_ps_map); |
5e74b3aa | 5002 | __clear_bit(hlid, &wl->ap_fw_ps_map); |
0e752df6 AN |
5003 | |
5004 | /* | |
5005 | * save the last used PN in the private part of iee80211_sta, | |
5006 | * in case of recovery/suspend | |
5007 | */ | |
50d26aa3 | 5008 | wlcore_save_freed_pkts_addr(wl, wlvif, hlid, wl->links[hlid].addr); |
0e752df6 | 5009 | |
c7ffb902 | 5010 | wl12xx_free_link(wl, wlvif, &hlid); |
da03209e | 5011 | wl->active_sta_count--; |
55df5afb AN |
5012 | |
5013 | /* | |
5014 | * rearm the tx watchdog when the last STA is freed - give the FW a | |
5015 | * chance to return STA-buffered packets before complaining. | |
5016 | */ | |
5017 | if (wl->active_sta_count == 0) | |
5018 | wl12xx_rearm_tx_watchdog_locked(wl); | |
f84f7d78 AN |
5019 | } |
5020 | ||
2d6cf2b5 EP |
5021 | static int wl12xx_sta_add(struct wl1271 *wl, |
5022 | struct wl12xx_vif *wlvif, | |
5023 | struct ieee80211_sta *sta) | |
f84f7d78 | 5024 | { |
c7ffb902 | 5025 | struct wl1271_station *wl_sta; |
f84f7d78 AN |
5026 | int ret = 0; |
5027 | u8 hlid; | |
5028 | ||
f84f7d78 AN |
5029 | wl1271_debug(DEBUG_MAC80211, "mac80211 add sta %d", (int)sta->aid); |
5030 | ||
c7ffb902 | 5031 | ret = wl1271_allocate_sta(wl, wlvif, sta); |
f84f7d78 | 5032 | if (ret < 0) |
2d6cf2b5 | 5033 | return ret; |
f84f7d78 | 5034 | |
c7ffb902 EP |
5035 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
5036 | hlid = wl_sta->hlid; | |
5037 | ||
1b92f15e | 5038 | ret = wl12xx_cmd_add_peer(wl, wlvif, sta, hlid); |
f84f7d78 | 5039 | if (ret < 0) |
2d6cf2b5 | 5040 | wl1271_free_sta(wl, wlvif, hlid); |
f84f7d78 | 5041 | |
2d6cf2b5 EP |
5042 | return ret; |
5043 | } | |
b67476ef | 5044 | |
2d6cf2b5 EP |
5045 | static int wl12xx_sta_remove(struct wl1271 *wl, |
5046 | struct wl12xx_vif *wlvif, | |
5047 | struct ieee80211_sta *sta) | |
5048 | { | |
5049 | struct wl1271_station *wl_sta; | |
5050 | int ret = 0, id; | |
0b932ab9 | 5051 | |
2d6cf2b5 EP |
5052 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove sta %d", (int)sta->aid); |
5053 | ||
5054 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
5055 | id = wl_sta->hlid; | |
5056 | if (WARN_ON(!test_bit(id, wlvif->ap.sta_hlid_map))) | |
5057 | return -EINVAL; | |
f84f7d78 | 5058 | |
028e7243 | 5059 | ret = wl12xx_cmd_remove_peer(wl, wlvif, wl_sta->hlid); |
409622ec | 5060 | if (ret < 0) |
2d6cf2b5 | 5061 | return ret; |
409622ec | 5062 | |
2d6cf2b5 | 5063 | wl1271_free_sta(wl, wlvif, wl_sta->hlid); |
f84f7d78 AN |
5064 | return ret; |
5065 | } | |
5066 | ||
426001a6 EP |
5067 | static void wlcore_roc_if_possible(struct wl1271 *wl, |
5068 | struct wl12xx_vif *wlvif) | |
5069 | { | |
5070 | if (find_first_bit(wl->roc_map, | |
5071 | WL12XX_MAX_ROLES) < WL12XX_MAX_ROLES) | |
5072 | return; | |
5073 | ||
5074 | if (WARN_ON(wlvif->role_id == WL12XX_INVALID_ROLE_ID)) | |
5075 | return; | |
5076 | ||
5077 | wl12xx_roc(wl, wlvif, wlvif->role_id, wlvif->band, wlvif->channel); | |
5078 | } | |
5079 | ||
187e52cc AN |
5080 | /* |
5081 | * when wl_sta is NULL, we treat this call as if coming from a | |
5082 | * pending auth reply. | |
5083 | * wl->mutex must be taken and the FW must be awake when the call | |
5084 | * takes place. | |
5085 | */ | |
5086 | void wlcore_update_inconn_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif, | |
5087 | struct wl1271_station *wl_sta, bool in_conn) | |
426001a6 | 5088 | { |
187e52cc AN |
5089 | if (in_conn) { |
5090 | if (WARN_ON(wl_sta && wl_sta->in_connection)) | |
426001a6 | 5091 | return; |
187e52cc AN |
5092 | |
5093 | if (!wlvif->ap_pending_auth_reply && | |
5094 | !wlvif->inconn_count) | |
426001a6 | 5095 | wlcore_roc_if_possible(wl, wlvif); |
187e52cc AN |
5096 | |
5097 | if (wl_sta) { | |
5098 | wl_sta->in_connection = true; | |
5099 | wlvif->inconn_count++; | |
5100 | } else { | |
5101 | wlvif->ap_pending_auth_reply = true; | |
5102 | } | |
426001a6 | 5103 | } else { |
187e52cc | 5104 | if (wl_sta && !wl_sta->in_connection) |
426001a6 EP |
5105 | return; |
5106 | ||
187e52cc | 5107 | if (WARN_ON(!wl_sta && !wlvif->ap_pending_auth_reply)) |
426001a6 EP |
5108 | return; |
5109 | ||
187e52cc AN |
5110 | if (WARN_ON(wl_sta && !wlvif->inconn_count)) |
5111 | return; | |
5112 | ||
5113 | if (wl_sta) { | |
5114 | wl_sta->in_connection = false; | |
5115 | wlvif->inconn_count--; | |
5116 | } else { | |
5117 | wlvif->ap_pending_auth_reply = false; | |
5118 | } | |
5119 | ||
5120 | if (!wlvif->inconn_count && !wlvif->ap_pending_auth_reply && | |
5121 | test_bit(wlvif->role_id, wl->roc_map)) | |
5122 | wl12xx_croc(wl, wlvif->role_id); | |
426001a6 EP |
5123 | } |
5124 | } | |
5125 | ||
2d6cf2b5 EP |
5126 | static int wl12xx_update_sta_state(struct wl1271 *wl, |
5127 | struct wl12xx_vif *wlvif, | |
5128 | struct ieee80211_sta *sta, | |
5129 | enum ieee80211_sta_state old_state, | |
5130 | enum ieee80211_sta_state new_state) | |
f84f7d78 | 5131 | { |
f84f7d78 | 5132 | struct wl1271_station *wl_sta; |
2d6cf2b5 EP |
5133 | bool is_ap = wlvif->bss_type == BSS_TYPE_AP_BSS; |
5134 | bool is_sta = wlvif->bss_type == BSS_TYPE_STA_BSS; | |
5135 | int ret; | |
f84f7d78 | 5136 | |
2d6cf2b5 | 5137 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
f84f7d78 | 5138 | |
2d6cf2b5 EP |
5139 | /* Add station (AP mode) */ |
5140 | if (is_ap && | |
5141 | old_state == IEEE80211_STA_NOTEXIST && | |
29936266 EP |
5142 | new_state == IEEE80211_STA_NONE) { |
5143 | ret = wl12xx_sta_add(wl, wlvif, sta); | |
5144 | if (ret) | |
5145 | return ret; | |
426001a6 EP |
5146 | |
5147 | wlcore_update_inconn_sta(wl, wlvif, wl_sta, true); | |
29936266 | 5148 | } |
2d6cf2b5 EP |
5149 | |
5150 | /* Remove station (AP mode) */ | |
5151 | if (is_ap && | |
5152 | old_state == IEEE80211_STA_NONE && | |
5153 | new_state == IEEE80211_STA_NOTEXIST) { | |
5154 | /* must not fail */ | |
5155 | wl12xx_sta_remove(wl, wlvif, sta); | |
426001a6 EP |
5156 | |
5157 | wlcore_update_inconn_sta(wl, wlvif, wl_sta, false); | |
2d6cf2b5 | 5158 | } |
f84f7d78 | 5159 | |
2d6cf2b5 EP |
5160 | /* Authorize station (AP mode) */ |
5161 | if (is_ap && | |
5162 | new_state == IEEE80211_STA_AUTHORIZED) { | |
2fec3d27 | 5163 | ret = wl12xx_cmd_set_peer_state(wl, wlvif, wl_sta->hlid); |
2d6cf2b5 EP |
5164 | if (ret < 0) |
5165 | return ret; | |
f84f7d78 | 5166 | |
535633a5 GM |
5167 | /* reconfigure rates */ |
5168 | ret = wl12xx_cmd_add_peer(wl, wlvif, sta, wl_sta->hlid); | |
5169 | if (ret < 0) | |
5170 | return ret; | |
5171 | ||
046d2e7c S |
5172 | ret = wl1271_acx_set_ht_capabilities(wl, &sta->deflink.ht_cap, |
5173 | true, | |
2fec3d27 | 5174 | wl_sta->hlid); |
29936266 EP |
5175 | if (ret) |
5176 | return ret; | |
426001a6 EP |
5177 | |
5178 | wlcore_update_inconn_sta(wl, wlvif, wl_sta, false); | |
2d6cf2b5 | 5179 | } |
f84f7d78 | 5180 | |
9fd6f21b EP |
5181 | /* Authorize station */ |
5182 | if (is_sta && | |
5183 | new_state == IEEE80211_STA_AUTHORIZED) { | |
5184 | set_bit(WLVIF_FLAG_STA_AUTHORIZED, &wlvif->flags); | |
29936266 EP |
5185 | ret = wl12xx_set_authorized(wl, wlvif); |
5186 | if (ret) | |
5187 | return ret; | |
9fd6f21b EP |
5188 | } |
5189 | ||
5190 | if (is_sta && | |
5191 | old_state == IEEE80211_STA_AUTHORIZED && | |
5192 | new_state == IEEE80211_STA_ASSOC) { | |
5193 | clear_bit(WLVIF_FLAG_STA_AUTHORIZED, &wlvif->flags); | |
3230f35e | 5194 | clear_bit(WLVIF_FLAG_STA_STATE_SENT, &wlvif->flags); |
9fd6f21b EP |
5195 | } |
5196 | ||
50d26aa3 EP |
5197 | /* save seq number on disassoc (suspend) */ |
5198 | if (is_sta && | |
5199 | old_state == IEEE80211_STA_ASSOC && | |
5200 | new_state == IEEE80211_STA_AUTH) { | |
5201 | wlcore_save_freed_pkts(wl, wlvif, wlvif->sta.hlid, sta); | |
5202 | wlvif->total_freed_pkts = 0; | |
5203 | } | |
5204 | ||
5205 | /* restore seq number on assoc (resume) */ | |
5206 | if (is_sta && | |
5207 | old_state == IEEE80211_STA_AUTH && | |
5208 | new_state == IEEE80211_STA_ASSOC) { | |
5209 | wlvif->total_freed_pkts = wl_sta->total_freed_pkts; | |
5210 | } | |
5211 | ||
29936266 EP |
5212 | /* clear ROCs on failure or authorization */ |
5213 | if (is_sta && | |
5214 | (new_state == IEEE80211_STA_AUTHORIZED || | |
5215 | new_state == IEEE80211_STA_NOTEXIST)) { | |
5216 | if (test_bit(wlvif->role_id, wl->roc_map)) | |
5217 | wl12xx_croc(wl, wlvif->role_id); | |
9fd6f21b EP |
5218 | } |
5219 | ||
29936266 EP |
5220 | if (is_sta && |
5221 | old_state == IEEE80211_STA_NOTEXIST && | |
5222 | new_state == IEEE80211_STA_NONE) { | |
5223 | if (find_first_bit(wl->roc_map, | |
5224 | WL12XX_MAX_ROLES) >= WL12XX_MAX_ROLES) { | |
5225 | WARN_ON(wlvif->role_id == WL12XX_INVALID_ROLE_ID); | |
5226 | wl12xx_roc(wl, wlvif, wlvif->role_id, | |
5227 | wlvif->band, wlvif->channel); | |
5228 | } | |
5229 | } | |
2d6cf2b5 EP |
5230 | return 0; |
5231 | } | |
5232 | ||
5233 | static int wl12xx_op_sta_state(struct ieee80211_hw *hw, | |
5234 | struct ieee80211_vif *vif, | |
5235 | struct ieee80211_sta *sta, | |
5236 | enum ieee80211_sta_state old_state, | |
5237 | enum ieee80211_sta_state new_state) | |
5238 | { | |
5239 | struct wl1271 *wl = hw->priv; | |
5240 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
5241 | int ret; | |
5242 | ||
5243 | wl1271_debug(DEBUG_MAC80211, "mac80211 sta %d state=%d->%d", | |
5244 | sta->aid, old_state, new_state); | |
5245 | ||
5246 | mutex_lock(&wl->mutex); | |
5247 | ||
4cc53383 | 5248 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
2d6cf2b5 | 5249 | ret = -EBUSY; |
f84f7d78 | 5250 | goto out; |
2d6cf2b5 | 5251 | } |
f84f7d78 | 5252 | |
ab589ac2 MC |
5253 | ret = pm_runtime_resume_and_get(wl->dev); |
5254 | if (ret < 0) | |
f84f7d78 AN |
5255 | goto out; |
5256 | ||
2d6cf2b5 | 5257 | ret = wl12xx_update_sta_state(wl, wlvif, sta, old_state, new_state); |
f84f7d78 | 5258 | |
9b71578d TL |
5259 | pm_runtime_mark_last_busy(wl->dev); |
5260 | pm_runtime_put_autosuspend(wl->dev); | |
f84f7d78 AN |
5261 | out: |
5262 | mutex_unlock(&wl->mutex); | |
2d6cf2b5 EP |
5263 | if (new_state < old_state) |
5264 | return 0; | |
f84f7d78 AN |
5265 | return ret; |
5266 | } | |
5267 | ||
4623ec7d LC |
5268 | static int wl1271_op_ampdu_action(struct ieee80211_hw *hw, |
5269 | struct ieee80211_vif *vif, | |
50ea05ef | 5270 | struct ieee80211_ampdu_params *params) |
bbba3e68 LS |
5271 | { |
5272 | struct wl1271 *wl = hw->priv; | |
536129c8 | 5273 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
bbba3e68 | 5274 | int ret; |
0f9c8250 | 5275 | u8 hlid, *ba_bitmap; |
50ea05ef SS |
5276 | struct ieee80211_sta *sta = params->sta; |
5277 | enum ieee80211_ampdu_mlme_action action = params->action; | |
5278 | u16 tid = params->tid; | |
5279 | u16 *ssn = ¶ms->ssn; | |
0f9c8250 AN |
5280 | |
5281 | wl1271_debug(DEBUG_MAC80211, "mac80211 ampdu action %d tid %d", action, | |
5282 | tid); | |
5283 | ||
5284 | /* sanity check - the fields in FW are only 8bits wide */ | |
5285 | if (WARN_ON(tid > 0xFF)) | |
5286 | return -ENOTSUPP; | |
bbba3e68 LS |
5287 | |
5288 | mutex_lock(&wl->mutex); | |
5289 | ||
4cc53383 | 5290 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
bbba3e68 LS |
5291 | ret = -EAGAIN; |
5292 | goto out; | |
5293 | } | |
5294 | ||
536129c8 | 5295 | if (wlvif->bss_type == BSS_TYPE_STA_BSS) { |
154da67c | 5296 | hlid = wlvif->sta.hlid; |
536129c8 | 5297 | } else if (wlvif->bss_type == BSS_TYPE_AP_BSS) { |
0f9c8250 AN |
5298 | struct wl1271_station *wl_sta; |
5299 | ||
5300 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
5301 | hlid = wl_sta->hlid; | |
0f9c8250 AN |
5302 | } else { |
5303 | ret = -EINVAL; | |
5304 | goto out; | |
5305 | } | |
5306 | ||
9ae5d8d4 AN |
5307 | ba_bitmap = &wl->links[hlid].ba_bitmap; |
5308 | ||
ab589ac2 MC |
5309 | ret = pm_runtime_resume_and_get(wl->dev); |
5310 | if (ret < 0) | |
bbba3e68 LS |
5311 | goto out; |
5312 | ||
70559a06 SL |
5313 | wl1271_debug(DEBUG_MAC80211, "mac80211 ampdu: Rx tid %d action %d", |
5314 | tid, action); | |
5315 | ||
bbba3e68 LS |
5316 | switch (action) { |
5317 | case IEEE80211_AMPDU_RX_START: | |
d0802abd | 5318 | if (!wlvif->ba_support || !wlvif->ba_allowed) { |
bbba3e68 | 5319 | ret = -ENOTSUPP; |
0f9c8250 AN |
5320 | break; |
5321 | } | |
5322 | ||
d21553f8 | 5323 | if (wl->ba_rx_session_count >= wl->ba_rx_session_count_max) { |
0f9c8250 | 5324 | ret = -EBUSY; |
07ceefa3 | 5325 | wl1271_debug(DEBUG_RX, "exceeded max RX BA sessions"); |
0f9c8250 AN |
5326 | break; |
5327 | } | |
5328 | ||
5329 | if (*ba_bitmap & BIT(tid)) { | |
5330 | ret = -EINVAL; | |
5331 | wl1271_error("cannot enable RX BA session on active " | |
5332 | "tid: %d", tid); | |
5333 | break; | |
5334 | } | |
5335 | ||
5336 | ret = wl12xx_acx_set_ba_receiver_session(wl, tid, *ssn, true, | |
42c7372a MA |
5337 | hlid, |
5338 | params->buf_size); | |
5339 | ||
0f9c8250 AN |
5340 | if (!ret) { |
5341 | *ba_bitmap |= BIT(tid); | |
5342 | wl->ba_rx_session_count++; | |
bbba3e68 LS |
5343 | } |
5344 | break; | |
5345 | ||
5346 | case IEEE80211_AMPDU_RX_STOP: | |
0f9c8250 | 5347 | if (!(*ba_bitmap & BIT(tid))) { |
c954910b AN |
5348 | /* |
5349 | * this happens on reconfig - so only output a debug | |
5350 | * message for now, and don't fail the function. | |
5351 | */ | |
5352 | wl1271_debug(DEBUG_MAC80211, | |
5353 | "no active RX BA session on tid: %d", | |
0f9c8250 | 5354 | tid); |
c954910b | 5355 | ret = 0; |
0f9c8250 AN |
5356 | break; |
5357 | } | |
5358 | ||
5359 | ret = wl12xx_acx_set_ba_receiver_session(wl, tid, 0, false, | |
42c7372a | 5360 | hlid, 0); |
0f9c8250 AN |
5361 | if (!ret) { |
5362 | *ba_bitmap &= ~BIT(tid); | |
5363 | wl->ba_rx_session_count--; | |
5364 | } | |
bbba3e68 LS |
5365 | break; |
5366 | ||
5367 | /* | |
5368 | * The BA initiator session management in FW independently. | |
5369 | * Falling break here on purpose for all TX APDU commands. | |
5370 | */ | |
5371 | case IEEE80211_AMPDU_TX_START: | |
18b559d5 JB |
5372 | case IEEE80211_AMPDU_TX_STOP_CONT: |
5373 | case IEEE80211_AMPDU_TX_STOP_FLUSH: | |
5374 | case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: | |
bbba3e68 LS |
5375 | case IEEE80211_AMPDU_TX_OPERATIONAL: |
5376 | ret = -EINVAL; | |
5377 | break; | |
5378 | ||
5379 | default: | |
5380 | wl1271_error("Incorrect ampdu action id=%x\n", action); | |
5381 | ret = -EINVAL; | |
5382 | } | |
5383 | ||
9b71578d TL |
5384 | pm_runtime_mark_last_busy(wl->dev); |
5385 | pm_runtime_put_autosuspend(wl->dev); | |
bbba3e68 LS |
5386 | |
5387 | out: | |
5388 | mutex_unlock(&wl->mutex); | |
5389 | ||
5390 | return ret; | |
5391 | } | |
5392 | ||
af7fbb28 EP |
5393 | static int wl12xx_set_bitrate_mask(struct ieee80211_hw *hw, |
5394 | struct ieee80211_vif *vif, | |
5395 | const struct cfg80211_bitrate_mask *mask) | |
5396 | { | |
83587505 | 5397 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
af7fbb28 | 5398 | struct wl1271 *wl = hw->priv; |
d6fa37c9 | 5399 | int i, ret = 0; |
af7fbb28 EP |
5400 | |
5401 | wl1271_debug(DEBUG_MAC80211, "mac80211 set_bitrate_mask 0x%x 0x%x", | |
5402 | mask->control[NL80211_BAND_2GHZ].legacy, | |
5403 | mask->control[NL80211_BAND_5GHZ].legacy); | |
5404 | ||
5405 | mutex_lock(&wl->mutex); | |
5406 | ||
091185d6 | 5407 | for (i = 0; i < WLCORE_NUM_BANDS; i++) |
83587505 | 5408 | wlvif->bitrate_masks[i] = |
af7fbb28 EP |
5409 | wl1271_tx_enabled_rates_get(wl, |
5410 | mask->control[i].legacy, | |
5411 | i); | |
d6fa37c9 | 5412 | |
4cc53383 | 5413 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
d6fa37c9 EP |
5414 | goto out; |
5415 | ||
5416 | if (wlvif->bss_type == BSS_TYPE_STA_BSS && | |
5417 | !test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) { | |
5418 | ||
ab589ac2 MC |
5419 | ret = pm_runtime_resume_and_get(wl->dev); |
5420 | if (ret < 0) | |
d6fa37c9 EP |
5421 | goto out; |
5422 | ||
5423 | wl1271_set_band_rate(wl, wlvif); | |
5424 | wlvif->basic_rate = | |
5425 | wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); | |
5426 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); | |
5427 | ||
9b71578d TL |
5428 | pm_runtime_mark_last_busy(wl->dev); |
5429 | pm_runtime_put_autosuspend(wl->dev); | |
d6fa37c9 EP |
5430 | } |
5431 | out: | |
af7fbb28 EP |
5432 | mutex_unlock(&wl->mutex); |
5433 | ||
d6fa37c9 | 5434 | return ret; |
af7fbb28 EP |
5435 | } |
5436 | ||
6d158ff3 | 5437 | static void wl12xx_op_channel_switch(struct ieee80211_hw *hw, |
0f791eb4 | 5438 | struct ieee80211_vif *vif, |
6d158ff3 SL |
5439 | struct ieee80211_channel_switch *ch_switch) |
5440 | { | |
5441 | struct wl1271 *wl = hw->priv; | |
0f791eb4 | 5442 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
6d158ff3 SL |
5443 | int ret; |
5444 | ||
5445 | wl1271_debug(DEBUG_MAC80211, "mac80211 channel switch"); | |
5446 | ||
b9239b66 AN |
5447 | wl1271_tx_flush(wl); |
5448 | ||
6d158ff3 SL |
5449 | mutex_lock(&wl->mutex); |
5450 | ||
4cc53383 | 5451 | if (unlikely(wl->state == WLCORE_STATE_OFF)) { |
0f791eb4 | 5452 | if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
6e8cd331 | 5453 | ieee80211_chswitch_done(vif, false); |
6e8cd331 | 5454 | goto out; |
4cc53383 IY |
5455 | } else if (unlikely(wl->state != WLCORE_STATE_ON)) { |
5456 | goto out; | |
6d158ff3 SL |
5457 | } |
5458 | ||
ab589ac2 MC |
5459 | ret = pm_runtime_resume_and_get(wl->dev); |
5460 | if (ret < 0) | |
6d158ff3 SL |
5461 | goto out; |
5462 | ||
52630c5d | 5463 | /* TODO: change mac80211 to pass vif as param */ |
6d158ff3 | 5464 | |
0f791eb4 LC |
5465 | if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) { |
5466 | unsigned long delay_usec; | |
e6562869 | 5467 | |
fcab1890 | 5468 | ret = wl->ops->channel_switch(wl, wlvif, ch_switch); |
c50a2825 EP |
5469 | if (ret) |
5470 | goto out_sleep; | |
6d158ff3 | 5471 | |
c50a2825 EP |
5472 | set_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags); |
5473 | ||
5474 | /* indicate failure 5 seconds after channel switch time */ | |
5475 | delay_usec = ieee80211_tu_to_usec(wlvif->beacon_int) * | |
0f791eb4 | 5476 | ch_switch->count; |
c50a2825 | 5477 | ieee80211_queue_delayed_work(hw, &wlvif->channel_switch_work, |
0f791eb4 LC |
5478 | usecs_to_jiffies(delay_usec) + |
5479 | msecs_to_jiffies(5000)); | |
52630c5d | 5480 | } |
6d158ff3 | 5481 | |
c50a2825 | 5482 | out_sleep: |
9b71578d TL |
5483 | pm_runtime_mark_last_busy(wl->dev); |
5484 | pm_runtime_put_autosuspend(wl->dev); | |
6d158ff3 SL |
5485 | |
5486 | out: | |
5487 | mutex_unlock(&wl->mutex); | |
5488 | } | |
5489 | ||
534719f4 EP |
5490 | static const void *wlcore_get_beacon_ie(struct wl1271 *wl, |
5491 | struct wl12xx_vif *wlvif, | |
5492 | u8 eid) | |
5493 | { | |
5494 | int ieoffset = offsetof(struct ieee80211_mgmt, u.beacon.variable); | |
5495 | struct sk_buff *beacon = | |
6e8912a5 | 5496 | ieee80211_beacon_get(wl->hw, wl12xx_wlvif_to_vif(wlvif), 0); |
534719f4 EP |
5497 | |
5498 | if (!beacon) | |
5499 | return NULL; | |
5500 | ||
5501 | return cfg80211_find_ie(eid, | |
5502 | beacon->data + ieoffset, | |
5503 | beacon->len - ieoffset); | |
5504 | } | |
5505 | ||
5506 | static int wlcore_get_csa_count(struct wl1271 *wl, struct wl12xx_vif *wlvif, | |
5507 | u8 *csa_count) | |
5508 | { | |
5509 | const u8 *ie; | |
5510 | const struct ieee80211_channel_sw_ie *ie_csa; | |
5511 | ||
5512 | ie = wlcore_get_beacon_ie(wl, wlvif, WLAN_EID_CHANNEL_SWITCH); | |
5513 | if (!ie) | |
5514 | return -EINVAL; | |
5515 | ||
5516 | ie_csa = (struct ieee80211_channel_sw_ie *)&ie[2]; | |
5517 | *csa_count = ie_csa->count; | |
5518 | ||
5519 | return 0; | |
5520 | } | |
5521 | ||
5522 | static void wlcore_op_channel_switch_beacon(struct ieee80211_hw *hw, | |
5523 | struct ieee80211_vif *vif, | |
5524 | struct cfg80211_chan_def *chandef) | |
5525 | { | |
5526 | struct wl1271 *wl = hw->priv; | |
5527 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
5528 | struct ieee80211_channel_switch ch_switch = { | |
5529 | .block_tx = true, | |
5530 | .chandef = *chandef, | |
5531 | }; | |
5532 | int ret; | |
5533 | ||
5534 | wl1271_debug(DEBUG_MAC80211, | |
5535 | "mac80211 channel switch beacon (role %d)", | |
5536 | wlvif->role_id); | |
5537 | ||
5538 | ret = wlcore_get_csa_count(wl, wlvif, &ch_switch.count); | |
5539 | if (ret < 0) { | |
5540 | wl1271_error("error getting beacon (for CSA counter)"); | |
5541 | return; | |
5542 | } | |
5543 | ||
5544 | mutex_lock(&wl->mutex); | |
5545 | ||
5546 | if (unlikely(wl->state != WLCORE_STATE_ON)) { | |
5547 | ret = -EBUSY; | |
5548 | goto out; | |
5549 | } | |
5550 | ||
ab589ac2 MC |
5551 | ret = pm_runtime_resume_and_get(wl->dev); |
5552 | if (ret < 0) | |
534719f4 EP |
5553 | goto out; |
5554 | ||
5555 | ret = wl->ops->channel_switch(wl, wlvif, &ch_switch); | |
5556 | if (ret) | |
5557 | goto out_sleep; | |
5558 | ||
5559 | set_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags); | |
5560 | ||
5561 | out_sleep: | |
9b71578d TL |
5562 | pm_runtime_mark_last_busy(wl->dev); |
5563 | pm_runtime_put_autosuspend(wl->dev); | |
534719f4 EP |
5564 | out: |
5565 | mutex_unlock(&wl->mutex); | |
5566 | } | |
5567 | ||
77be2c54 EG |
5568 | static void wlcore_op_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
5569 | u32 queues, bool drop) | |
d8ae5a25 EP |
5570 | { |
5571 | struct wl1271 *wl = hw->priv; | |
5572 | ||
5573 | wl1271_tx_flush(wl); | |
5574 | } | |
5575 | ||
dabf37db EP |
5576 | static int wlcore_op_remain_on_channel(struct ieee80211_hw *hw, |
5577 | struct ieee80211_vif *vif, | |
5578 | struct ieee80211_channel *chan, | |
d339d5ca IP |
5579 | int duration, |
5580 | enum ieee80211_roc_type type) | |
dabf37db EP |
5581 | { |
5582 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
5583 | struct wl1271 *wl = hw->priv; | |
87cba169 | 5584 | int channel, active_roc, ret = 0; |
dabf37db EP |
5585 | |
5586 | channel = ieee80211_frequency_to_channel(chan->center_freq); | |
5587 | ||
5588 | wl1271_debug(DEBUG_MAC80211, "mac80211 roc %d (%d)", | |
5589 | channel, wlvif->role_id); | |
5590 | ||
5591 | mutex_lock(&wl->mutex); | |
5592 | ||
5593 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
5594 | goto out; | |
5595 | ||
5596 | /* return EBUSY if we can't ROC right now */ | |
87cba169 EP |
5597 | active_roc = find_first_bit(wl->roc_map, WL12XX_MAX_ROLES); |
5598 | if (wl->roc_vif || active_roc < WL12XX_MAX_ROLES) { | |
5599 | wl1271_warning("active roc on role %d", active_roc); | |
dabf37db EP |
5600 | ret = -EBUSY; |
5601 | goto out; | |
5602 | } | |
5603 | ||
ab589ac2 MC |
5604 | ret = pm_runtime_resume_and_get(wl->dev); |
5605 | if (ret < 0) | |
dabf37db EP |
5606 | goto out; |
5607 | ||
5608 | ret = wl12xx_start_dev(wl, wlvif, chan->band, channel); | |
5609 | if (ret < 0) | |
5610 | goto out_sleep; | |
5611 | ||
5612 | wl->roc_vif = vif; | |
5613 | ieee80211_queue_delayed_work(hw, &wl->roc_complete_work, | |
5614 | msecs_to_jiffies(duration)); | |
5615 | out_sleep: | |
9b71578d TL |
5616 | pm_runtime_mark_last_busy(wl->dev); |
5617 | pm_runtime_put_autosuspend(wl->dev); | |
dabf37db EP |
5618 | out: |
5619 | mutex_unlock(&wl->mutex); | |
5620 | return ret; | |
5621 | } | |
5622 | ||
5623 | static int __wlcore_roc_completed(struct wl1271 *wl) | |
5624 | { | |
5625 | struct wl12xx_vif *wlvif; | |
5626 | int ret; | |
5627 | ||
5628 | /* already completed */ | |
5629 | if (unlikely(!wl->roc_vif)) | |
5630 | return 0; | |
5631 | ||
5632 | wlvif = wl12xx_vif_to_data(wl->roc_vif); | |
5633 | ||
5634 | if (!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) | |
5635 | return -EBUSY; | |
5636 | ||
5637 | ret = wl12xx_stop_dev(wl, wlvif); | |
5638 | if (ret < 0) | |
5639 | return ret; | |
5640 | ||
5641 | wl->roc_vif = NULL; | |
5642 | ||
5643 | return 0; | |
5644 | } | |
5645 | ||
5646 | static int wlcore_roc_completed(struct wl1271 *wl) | |
5647 | { | |
5648 | int ret; | |
5649 | ||
5650 | wl1271_debug(DEBUG_MAC80211, "roc complete"); | |
5651 | ||
5652 | mutex_lock(&wl->mutex); | |
5653 | ||
5654 | if (unlikely(wl->state != WLCORE_STATE_ON)) { | |
5655 | ret = -EBUSY; | |
5656 | goto out; | |
5657 | } | |
5658 | ||
ab589ac2 MC |
5659 | ret = pm_runtime_resume_and_get(wl->dev); |
5660 | if (ret < 0) | |
dabf37db EP |
5661 | goto out; |
5662 | ||
5663 | ret = __wlcore_roc_completed(wl); | |
5664 | ||
9b71578d TL |
5665 | pm_runtime_mark_last_busy(wl->dev); |
5666 | pm_runtime_put_autosuspend(wl->dev); | |
dabf37db EP |
5667 | out: |
5668 | mutex_unlock(&wl->mutex); | |
5669 | ||
5670 | return ret; | |
5671 | } | |
5672 | ||
5673 | static void wlcore_roc_complete_work(struct work_struct *work) | |
5674 | { | |
5675 | struct delayed_work *dwork; | |
5676 | struct wl1271 *wl; | |
5677 | int ret; | |
5678 | ||
61383412 | 5679 | dwork = to_delayed_work(work); |
dabf37db EP |
5680 | wl = container_of(dwork, struct wl1271, roc_complete_work); |
5681 | ||
5682 | ret = wlcore_roc_completed(wl); | |
5683 | if (!ret) | |
5684 | ieee80211_remain_on_channel_expired(wl->hw); | |
5685 | } | |
5686 | ||
5db4c4b9 EG |
5687 | static int wlcore_op_cancel_remain_on_channel(struct ieee80211_hw *hw, |
5688 | struct ieee80211_vif *vif) | |
dabf37db EP |
5689 | { |
5690 | struct wl1271 *wl = hw->priv; | |
5691 | ||
5692 | wl1271_debug(DEBUG_MAC80211, "mac80211 croc"); | |
5693 | ||
5694 | /* TODO: per-vif */ | |
5695 | wl1271_tx_flush(wl); | |
5696 | ||
5697 | /* | |
5698 | * we can't just flush_work here, because it might deadlock | |
5699 | * (as we might get called from the same workqueue) | |
5700 | */ | |
5701 | cancel_delayed_work_sync(&wl->roc_complete_work); | |
5702 | wlcore_roc_completed(wl); | |
5703 | ||
5704 | return 0; | |
5705 | } | |
5706 | ||
5f9b6777 AN |
5707 | static void wlcore_op_sta_rc_update(struct ieee80211_hw *hw, |
5708 | struct ieee80211_vif *vif, | |
5709 | struct ieee80211_sta *sta, | |
5710 | u32 changed) | |
5711 | { | |
5712 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
5f9b6777 | 5713 | |
7d3b29e5 EP |
5714 | wl1271_debug(DEBUG_MAC80211, "mac80211 sta_rc_update"); |
5715 | ||
5716 | if (!(changed & IEEE80211_RC_BW_CHANGED)) | |
5717 | return; | |
5718 | ||
5719 | /* this callback is atomic, so schedule a new work */ | |
046d2e7c S |
5720 | wlvif->rc_update_bw = sta->deflink.bandwidth; |
5721 | memcpy(&wlvif->rc_ht_cap, &sta->deflink.ht_cap, | |
5722 | sizeof(sta->deflink.ht_cap)); | |
7d3b29e5 | 5723 | ieee80211_queue_work(hw, &wlvif->rc_update_work); |
5f9b6777 AN |
5724 | } |
5725 | ||
2b9a7e1b JB |
5726 | static void wlcore_op_sta_statistics(struct ieee80211_hw *hw, |
5727 | struct ieee80211_vif *vif, | |
5728 | struct ieee80211_sta *sta, | |
5729 | struct station_info *sinfo) | |
0a9ffac0 NZ |
5730 | { |
5731 | struct wl1271 *wl = hw->priv; | |
5732 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
2b9a7e1b JB |
5733 | s8 rssi_dbm; |
5734 | int ret; | |
0a9ffac0 NZ |
5735 | |
5736 | wl1271_debug(DEBUG_MAC80211, "mac80211 get_rssi"); | |
5737 | ||
5738 | mutex_lock(&wl->mutex); | |
5739 | ||
5740 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
5741 | goto out; | |
5742 | ||
ab589ac2 MC |
5743 | ret = pm_runtime_resume_and_get(wl->dev); |
5744 | if (ret < 0) | |
0a9ffac0 NZ |
5745 | goto out_sleep; |
5746 | ||
2b9a7e1b | 5747 | ret = wlcore_acx_average_rssi(wl, wlvif, &rssi_dbm); |
0a9ffac0 NZ |
5748 | if (ret < 0) |
5749 | goto out_sleep; | |
5750 | ||
22d0d2fa | 5751 | sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL); |
2b9a7e1b JB |
5752 | sinfo->signal = rssi_dbm; |
5753 | ||
0a9ffac0 | 5754 | out_sleep: |
9b71578d TL |
5755 | pm_runtime_mark_last_busy(wl->dev); |
5756 | pm_runtime_put_autosuspend(wl->dev); | |
0a9ffac0 NZ |
5757 | |
5758 | out: | |
5759 | mutex_unlock(&wl->mutex); | |
0a9ffac0 NZ |
5760 | } |
5761 | ||
2439ca04 MA |
5762 | static u32 wlcore_op_get_expected_throughput(struct ieee80211_hw *hw, |
5763 | struct ieee80211_sta *sta) | |
5f6d4ca3 MA |
5764 | { |
5765 | struct wl1271_station *wl_sta = (struct wl1271_station *)sta->drv_priv; | |
2439ca04 | 5766 | struct wl1271 *wl = hw->priv; |
5f6d4ca3 MA |
5767 | u8 hlid = wl_sta->hlid; |
5768 | ||
5769 | /* return in units of Kbps */ | |
5770 | return (wl->links[hlid].fw_rate_mbps * 1000); | |
5771 | } | |
5772 | ||
33437893 AN |
5773 | static bool wl1271_tx_frames_pending(struct ieee80211_hw *hw) |
5774 | { | |
5775 | struct wl1271 *wl = hw->priv; | |
5776 | bool ret = false; | |
5777 | ||
5778 | mutex_lock(&wl->mutex); | |
5779 | ||
4cc53383 | 5780 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
33437893 AN |
5781 | goto out; |
5782 | ||
5783 | /* packets are considered pending if in the TX queue or the FW */ | |
f1a46384 | 5784 | ret = (wl1271_tx_total_queue_count(wl) > 0) || (wl->tx_frames_cnt > 0); |
33437893 AN |
5785 | out: |
5786 | mutex_unlock(&wl->mutex); | |
5787 | ||
5788 | return ret; | |
5789 | } | |
5790 | ||
f5fc0f86 LC |
5791 | /* can't be const, mac80211 writes to this */ |
5792 | static struct ieee80211_rate wl1271_rates[] = { | |
5793 | { .bitrate = 10, | |
2b60100b JO |
5794 | .hw_value = CONF_HW_BIT_RATE_1MBPS, |
5795 | .hw_value_short = CONF_HW_BIT_RATE_1MBPS, }, | |
f5fc0f86 | 5796 | { .bitrate = 20, |
2b60100b JO |
5797 | .hw_value = CONF_HW_BIT_RATE_2MBPS, |
5798 | .hw_value_short = CONF_HW_BIT_RATE_2MBPS, | |
f5fc0f86 LC |
5799 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
5800 | { .bitrate = 55, | |
2b60100b JO |
5801 | .hw_value = CONF_HW_BIT_RATE_5_5MBPS, |
5802 | .hw_value_short = CONF_HW_BIT_RATE_5_5MBPS, | |
f5fc0f86 LC |
5803 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
5804 | { .bitrate = 110, | |
2b60100b JO |
5805 | .hw_value = CONF_HW_BIT_RATE_11MBPS, |
5806 | .hw_value_short = CONF_HW_BIT_RATE_11MBPS, | |
f5fc0f86 LC |
5807 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
5808 | { .bitrate = 60, | |
2b60100b JO |
5809 | .hw_value = CONF_HW_BIT_RATE_6MBPS, |
5810 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
f5fc0f86 | 5811 | { .bitrate = 90, |
2b60100b JO |
5812 | .hw_value = CONF_HW_BIT_RATE_9MBPS, |
5813 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
f5fc0f86 | 5814 | { .bitrate = 120, |
2b60100b JO |
5815 | .hw_value = CONF_HW_BIT_RATE_12MBPS, |
5816 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
f5fc0f86 | 5817 | { .bitrate = 180, |
2b60100b JO |
5818 | .hw_value = CONF_HW_BIT_RATE_18MBPS, |
5819 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
f5fc0f86 | 5820 | { .bitrate = 240, |
2b60100b JO |
5821 | .hw_value = CONF_HW_BIT_RATE_24MBPS, |
5822 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
f5fc0f86 | 5823 | { .bitrate = 360, |
2b60100b JO |
5824 | .hw_value = CONF_HW_BIT_RATE_36MBPS, |
5825 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
f5fc0f86 | 5826 | { .bitrate = 480, |
2b60100b JO |
5827 | .hw_value = CONF_HW_BIT_RATE_48MBPS, |
5828 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
f5fc0f86 | 5829 | { .bitrate = 540, |
2b60100b JO |
5830 | .hw_value = CONF_HW_BIT_RATE_54MBPS, |
5831 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
f5fc0f86 LC |
5832 | }; |
5833 | ||
fa97f46b | 5834 | /* can't be const, mac80211 writes to this */ |
f5fc0f86 | 5835 | static struct ieee80211_channel wl1271_channels[] = { |
583f8164 VG |
5836 | { .hw_value = 1, .center_freq = 2412, .max_power = WLCORE_MAX_TXPWR }, |
5837 | { .hw_value = 2, .center_freq = 2417, .max_power = WLCORE_MAX_TXPWR }, | |
5838 | { .hw_value = 3, .center_freq = 2422, .max_power = WLCORE_MAX_TXPWR }, | |
5839 | { .hw_value = 4, .center_freq = 2427, .max_power = WLCORE_MAX_TXPWR }, | |
5840 | { .hw_value = 5, .center_freq = 2432, .max_power = WLCORE_MAX_TXPWR }, | |
5841 | { .hw_value = 6, .center_freq = 2437, .max_power = WLCORE_MAX_TXPWR }, | |
5842 | { .hw_value = 7, .center_freq = 2442, .max_power = WLCORE_MAX_TXPWR }, | |
5843 | { .hw_value = 8, .center_freq = 2447, .max_power = WLCORE_MAX_TXPWR }, | |
5844 | { .hw_value = 9, .center_freq = 2452, .max_power = WLCORE_MAX_TXPWR }, | |
5845 | { .hw_value = 10, .center_freq = 2457, .max_power = WLCORE_MAX_TXPWR }, | |
5846 | { .hw_value = 11, .center_freq = 2462, .max_power = WLCORE_MAX_TXPWR }, | |
5847 | { .hw_value = 12, .center_freq = 2467, .max_power = WLCORE_MAX_TXPWR }, | |
5848 | { .hw_value = 13, .center_freq = 2472, .max_power = WLCORE_MAX_TXPWR }, | |
5849 | { .hw_value = 14, .center_freq = 2484, .max_power = WLCORE_MAX_TXPWR }, | |
f5fc0f86 LC |
5850 | }; |
5851 | ||
5852 | /* can't be const, mac80211 writes to this */ | |
5853 | static struct ieee80211_supported_band wl1271_band_2ghz = { | |
5854 | .channels = wl1271_channels, | |
5855 | .n_channels = ARRAY_SIZE(wl1271_channels), | |
5856 | .bitrates = wl1271_rates, | |
5857 | .n_bitrates = ARRAY_SIZE(wl1271_rates), | |
5858 | }; | |
5859 | ||
1ebec3d7 TP |
5860 | /* 5 GHz data rates for WL1273 */ |
5861 | static struct ieee80211_rate wl1271_rates_5ghz[] = { | |
5862 | { .bitrate = 60, | |
5863 | .hw_value = CONF_HW_BIT_RATE_6MBPS, | |
5864 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
5865 | { .bitrate = 90, | |
5866 | .hw_value = CONF_HW_BIT_RATE_9MBPS, | |
5867 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
5868 | { .bitrate = 120, | |
5869 | .hw_value = CONF_HW_BIT_RATE_12MBPS, | |
5870 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
5871 | { .bitrate = 180, | |
5872 | .hw_value = CONF_HW_BIT_RATE_18MBPS, | |
5873 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
5874 | { .bitrate = 240, | |
5875 | .hw_value = CONF_HW_BIT_RATE_24MBPS, | |
5876 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
5877 | { .bitrate = 360, | |
5878 | .hw_value = CONF_HW_BIT_RATE_36MBPS, | |
5879 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
5880 | { .bitrate = 480, | |
5881 | .hw_value = CONF_HW_BIT_RATE_48MBPS, | |
5882 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
5883 | { .bitrate = 540, | |
5884 | .hw_value = CONF_HW_BIT_RATE_54MBPS, | |
5885 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
5886 | }; | |
5887 | ||
fa97f46b | 5888 | /* 5 GHz band channels for WL1273 */ |
1ebec3d7 | 5889 | static struct ieee80211_channel wl1271_channels_5ghz[] = { |
583f8164 | 5890 | { .hw_value = 8, .center_freq = 5040, .max_power = WLCORE_MAX_TXPWR }, |
583f8164 VG |
5891 | { .hw_value = 12, .center_freq = 5060, .max_power = WLCORE_MAX_TXPWR }, |
5892 | { .hw_value = 16, .center_freq = 5080, .max_power = WLCORE_MAX_TXPWR }, | |
5893 | { .hw_value = 34, .center_freq = 5170, .max_power = WLCORE_MAX_TXPWR }, | |
5894 | { .hw_value = 36, .center_freq = 5180, .max_power = WLCORE_MAX_TXPWR }, | |
5895 | { .hw_value = 38, .center_freq = 5190, .max_power = WLCORE_MAX_TXPWR }, | |
5896 | { .hw_value = 40, .center_freq = 5200, .max_power = WLCORE_MAX_TXPWR }, | |
5897 | { .hw_value = 42, .center_freq = 5210, .max_power = WLCORE_MAX_TXPWR }, | |
5898 | { .hw_value = 44, .center_freq = 5220, .max_power = WLCORE_MAX_TXPWR }, | |
5899 | { .hw_value = 46, .center_freq = 5230, .max_power = WLCORE_MAX_TXPWR }, | |
5900 | { .hw_value = 48, .center_freq = 5240, .max_power = WLCORE_MAX_TXPWR }, | |
5901 | { .hw_value = 52, .center_freq = 5260, .max_power = WLCORE_MAX_TXPWR }, | |
5902 | { .hw_value = 56, .center_freq = 5280, .max_power = WLCORE_MAX_TXPWR }, | |
5903 | { .hw_value = 60, .center_freq = 5300, .max_power = WLCORE_MAX_TXPWR }, | |
5904 | { .hw_value = 64, .center_freq = 5320, .max_power = WLCORE_MAX_TXPWR }, | |
5905 | { .hw_value = 100, .center_freq = 5500, .max_power = WLCORE_MAX_TXPWR }, | |
5906 | { .hw_value = 104, .center_freq = 5520, .max_power = WLCORE_MAX_TXPWR }, | |
5907 | { .hw_value = 108, .center_freq = 5540, .max_power = WLCORE_MAX_TXPWR }, | |
5908 | { .hw_value = 112, .center_freq = 5560, .max_power = WLCORE_MAX_TXPWR }, | |
5909 | { .hw_value = 116, .center_freq = 5580, .max_power = WLCORE_MAX_TXPWR }, | |
5910 | { .hw_value = 120, .center_freq = 5600, .max_power = WLCORE_MAX_TXPWR }, | |
5911 | { .hw_value = 124, .center_freq = 5620, .max_power = WLCORE_MAX_TXPWR }, | |
5912 | { .hw_value = 128, .center_freq = 5640, .max_power = WLCORE_MAX_TXPWR }, | |
5913 | { .hw_value = 132, .center_freq = 5660, .max_power = WLCORE_MAX_TXPWR }, | |
5914 | { .hw_value = 136, .center_freq = 5680, .max_power = WLCORE_MAX_TXPWR }, | |
5915 | { .hw_value = 140, .center_freq = 5700, .max_power = WLCORE_MAX_TXPWR }, | |
5916 | { .hw_value = 149, .center_freq = 5745, .max_power = WLCORE_MAX_TXPWR }, | |
5917 | { .hw_value = 153, .center_freq = 5765, .max_power = WLCORE_MAX_TXPWR }, | |
5918 | { .hw_value = 157, .center_freq = 5785, .max_power = WLCORE_MAX_TXPWR }, | |
5919 | { .hw_value = 161, .center_freq = 5805, .max_power = WLCORE_MAX_TXPWR }, | |
5920 | { .hw_value = 165, .center_freq = 5825, .max_power = WLCORE_MAX_TXPWR }, | |
1ebec3d7 TP |
5921 | }; |
5922 | ||
1ebec3d7 TP |
5923 | static struct ieee80211_supported_band wl1271_band_5ghz = { |
5924 | .channels = wl1271_channels_5ghz, | |
5925 | .n_channels = ARRAY_SIZE(wl1271_channels_5ghz), | |
5926 | .bitrates = wl1271_rates_5ghz, | |
5927 | .n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz), | |
f876bb9a JO |
5928 | }; |
5929 | ||
f5fc0f86 LC |
5930 | static const struct ieee80211_ops wl1271_ops = { |
5931 | .start = wl1271_op_start, | |
c24ec83b | 5932 | .stop = wlcore_op_stop, |
f5fc0f86 LC |
5933 | .add_interface = wl1271_op_add_interface, |
5934 | .remove_interface = wl1271_op_remove_interface, | |
c0fad1b7 | 5935 | .change_interface = wl12xx_op_change_interface, |
f634a4e7 | 5936 | #ifdef CONFIG_PM |
402e4861 EP |
5937 | .suspend = wl1271_op_suspend, |
5938 | .resume = wl1271_op_resume, | |
f634a4e7 | 5939 | #endif |
f5fc0f86 | 5940 | .config = wl1271_op_config, |
c87dec9f | 5941 | .prepare_multicast = wl1271_op_prepare_multicast, |
f5fc0f86 LC |
5942 | .configure_filter = wl1271_op_configure_filter, |
5943 | .tx = wl1271_op_tx, | |
a1c597f2 | 5944 | .set_key = wlcore_op_set_key, |
f5fc0f86 | 5945 | .hw_scan = wl1271_op_hw_scan, |
73ecce31 | 5946 | .cancel_hw_scan = wl1271_op_cancel_hw_scan, |
33c2c06c LC |
5947 | .sched_scan_start = wl1271_op_sched_scan_start, |
5948 | .sched_scan_stop = wl1271_op_sched_scan_stop, | |
f5fc0f86 | 5949 | .bss_info_changed = wl1271_op_bss_info_changed, |
68d069c4 | 5950 | .set_frag_threshold = wl1271_op_set_frag_threshold, |
f5fc0f86 | 5951 | .set_rts_threshold = wl1271_op_set_rts_threshold, |
c6999d83 | 5952 | .conf_tx = wl1271_op_conf_tx, |
bbbb538e | 5953 | .get_tsf = wl1271_op_get_tsf, |
ece550d0 | 5954 | .get_survey = wl1271_op_get_survey, |
2d6cf2b5 | 5955 | .sta_state = wl12xx_op_sta_state, |
bbba3e68 | 5956 | .ampdu_action = wl1271_op_ampdu_action, |
33437893 | 5957 | .tx_frames_pending = wl1271_tx_frames_pending, |
af7fbb28 | 5958 | .set_bitrate_mask = wl12xx_set_bitrate_mask, |
ba1e6eb9 | 5959 | .set_default_unicast_key = wl1271_op_set_default_key_idx, |
6d158ff3 | 5960 | .channel_switch = wl12xx_op_channel_switch, |
534719f4 | 5961 | .channel_switch_beacon = wlcore_op_channel_switch_beacon, |
d8ae5a25 | 5962 | .flush = wlcore_op_flush, |
dabf37db EP |
5963 | .remain_on_channel = wlcore_op_remain_on_channel, |
5964 | .cancel_remain_on_channel = wlcore_op_cancel_remain_on_channel, | |
b6970ee5 EP |
5965 | .add_chanctx = wlcore_op_add_chanctx, |
5966 | .remove_chanctx = wlcore_op_remove_chanctx, | |
5967 | .change_chanctx = wlcore_op_change_chanctx, | |
5968 | .assign_vif_chanctx = wlcore_op_assign_vif_chanctx, | |
5969 | .unassign_vif_chanctx = wlcore_op_unassign_vif_chanctx, | |
750e9d15 | 5970 | .switch_vif_chanctx = wlcore_op_switch_vif_chanctx, |
5f9b6777 | 5971 | .sta_rc_update = wlcore_op_sta_rc_update, |
2b9a7e1b | 5972 | .sta_statistics = wlcore_op_sta_statistics, |
5f6d4ca3 | 5973 | .get_expected_throughput = wlcore_op_get_expected_throughput, |
c8c90873 | 5974 | CFG80211_TESTMODE_CMD(wl1271_tm_cmd) |
f5fc0f86 LC |
5975 | }; |
5976 | ||
f876bb9a | 5977 | |
57fbcce3 | 5978 | u8 wlcore_rate_to_idx(struct wl1271 *wl, u8 rate, enum nl80211_band band) |
f876bb9a JO |
5979 | { |
5980 | u8 idx; | |
5981 | ||
43a8bc5a | 5982 | BUG_ON(band >= 2); |
f876bb9a | 5983 | |
43a8bc5a | 5984 | if (unlikely(rate >= wl->hw_tx_rate_tbl_size)) { |
f876bb9a JO |
5985 | wl1271_error("Illegal RX rate from HW: %d", rate); |
5986 | return 0; | |
5987 | } | |
5988 | ||
43a8bc5a | 5989 | idx = wl->band_rate_to_idx[band][rate]; |
f876bb9a JO |
5990 | if (unlikely(idx == CONF_HW_RXTX_RATE_UNSUPPORTED)) { |
5991 | wl1271_error("Unsupported RX rate from HW: %d", rate); | |
5992 | return 0; | |
5993 | } | |
5994 | ||
5995 | return idx; | |
5996 | } | |
5997 | ||
f4afbed9 | 5998 | static void wl12xx_derive_mac_addresses(struct wl1271 *wl, u32 oui, u32 nic) |
5e037e74 LC |
5999 | { |
6000 | int i; | |
6001 | ||
f4afbed9 AN |
6002 | wl1271_debug(DEBUG_PROBE, "base address: oui %06x nic %06x", |
6003 | oui, nic); | |
5e037e74 | 6004 | |
f4afbed9 | 6005 | if (nic + WLCORE_NUM_MAC_ADDRESSES - wl->num_mac_addr > 0xffffff) |
5e037e74 LC |
6006 | wl1271_warning("NIC part of the MAC address wraps around!"); |
6007 | ||
f4afbed9 | 6008 | for (i = 0; i < wl->num_mac_addr; i++) { |
5e037e74 LC |
6009 | wl->addresses[i].addr[0] = (u8)(oui >> 16); |
6010 | wl->addresses[i].addr[1] = (u8)(oui >> 8); | |
6011 | wl->addresses[i].addr[2] = (u8) oui; | |
6012 | wl->addresses[i].addr[3] = (u8)(nic >> 16); | |
6013 | wl->addresses[i].addr[4] = (u8)(nic >> 8); | |
6014 | wl->addresses[i].addr[5] = (u8) nic; | |
6015 | nic++; | |
6016 | } | |
6017 | ||
f4afbed9 AN |
6018 | /* we may be one address short at the most */ |
6019 | WARN_ON(wl->num_mac_addr + 1 < WLCORE_NUM_MAC_ADDRESSES); | |
6020 | ||
6021 | /* | |
6022 | * turn on the LAA bit in the first address and use it as | |
6023 | * the last address. | |
6024 | */ | |
6025 | if (wl->num_mac_addr < WLCORE_NUM_MAC_ADDRESSES) { | |
6026 | int idx = WLCORE_NUM_MAC_ADDRESSES - 1; | |
6027 | memcpy(&wl->addresses[idx], &wl->addresses[0], | |
6028 | sizeof(wl->addresses[0])); | |
6029 | /* LAA bit */ | |
71a301bb | 6030 | wl->addresses[idx].addr[0] |= BIT(1); |
f4afbed9 AN |
6031 | } |
6032 | ||
6033 | wl->hw->wiphy->n_addresses = WLCORE_NUM_MAC_ADDRESSES; | |
5e037e74 LC |
6034 | wl->hw->wiphy->addresses = wl->addresses; |
6035 | } | |
6036 | ||
30c5dbd1 LC |
6037 | static int wl12xx_get_hw_info(struct wl1271 *wl) |
6038 | { | |
6039 | int ret; | |
30c5dbd1 | 6040 | |
6134323f IY |
6041 | ret = wlcore_read_reg(wl, REG_CHIP_ID_B, &wl->chip.id); |
6042 | if (ret < 0) | |
6043 | goto out; | |
30c5dbd1 | 6044 | |
00782136 LC |
6045 | wl->fuse_oui_addr = 0; |
6046 | wl->fuse_nic_addr = 0; | |
30c5dbd1 | 6047 | |
6134323f IY |
6048 | ret = wl->ops->get_pg_ver(wl, &wl->hw_pg_ver); |
6049 | if (ret < 0) | |
6050 | goto out; | |
30c5dbd1 | 6051 | |
30d9b4a5 | 6052 | if (wl->ops->get_mac) |
6134323f | 6053 | ret = wl->ops->get_mac(wl); |
5e037e74 | 6054 | |
30c5dbd1 LC |
6055 | out: |
6056 | return ret; | |
6057 | } | |
6058 | ||
4b32a2c9 | 6059 | static int wl1271_register_hw(struct wl1271 *wl) |
f5fc0f86 LC |
6060 | { |
6061 | int ret; | |
5e037e74 | 6062 | u32 oui_addr = 0, nic_addr = 0; |
d382b9c0 RE |
6063 | struct platform_device *pdev = wl->pdev; |
6064 | struct wlcore_platdev_data *pdev_data = dev_get_platdata(&pdev->dev); | |
f5fc0f86 LC |
6065 | |
6066 | if (wl->mac80211_registered) | |
6067 | return 0; | |
6068 | ||
6f8d6b20 | 6069 | if (wl->nvs_len >= 12) { |
bc765bf3 SL |
6070 | /* NOTE: The wl->nvs->nvs element must be first, in |
6071 | * order to simplify the casting, we assume it is at | |
6072 | * the beginning of the wl->nvs structure. | |
6073 | */ | |
6074 | u8 *nvs_ptr = (u8 *)wl->nvs; | |
31d26ec6 | 6075 | |
5e037e74 LC |
6076 | oui_addr = |
6077 | (nvs_ptr[11] << 16) + (nvs_ptr[10] << 8) + nvs_ptr[6]; | |
6078 | nic_addr = | |
6079 | (nvs_ptr[5] << 16) + (nvs_ptr[4] << 8) + nvs_ptr[3]; | |
6080 | } | |
6081 | ||
6082 | /* if the MAC address is zeroed in the NVS derive from fuse */ | |
6083 | if (oui_addr == 0 && nic_addr == 0) { | |
6084 | oui_addr = wl->fuse_oui_addr; | |
6085 | /* fuse has the BD_ADDR, the WLAN addresses are the next two */ | |
6086 | nic_addr = wl->fuse_nic_addr + 1; | |
31d26ec6 AN |
6087 | } |
6088 | ||
d382b9c0 | 6089 | if (oui_addr == 0xdeadbe && nic_addr == 0xef0000) { |
18dc5a4b | 6090 | wl1271_warning("Detected unconfigured mac address in nvs, derive from fuse instead."); |
d382b9c0 | 6091 | if (!strcmp(pdev_data->family->name, "wl18xx")) { |
18dc5a4b | 6092 | wl1271_warning("This default nvs file can be removed from the file system"); |
d382b9c0 | 6093 | } else { |
18dc5a4b NS |
6094 | wl1271_warning("Your device performance is not optimized."); |
6095 | wl1271_warning("Please use the calibrator tool to configure your device."); | |
d382b9c0 RE |
6096 | } |
6097 | ||
6098 | if (wl->fuse_oui_addr == 0 && wl->fuse_nic_addr == 0) { | |
18dc5a4b | 6099 | wl1271_warning("Fuse mac address is zero. using random mac"); |
d382b9c0 RE |
6100 | /* Use TI oui and a random nic */ |
6101 | oui_addr = WLCORE_TI_OUI_ADDRESS; | |
6102 | nic_addr = get_random_int(); | |
6103 | } else { | |
6104 | oui_addr = wl->fuse_oui_addr; | |
6105 | /* fuse has the BD_ADDR, the WLAN addresses are the next two */ | |
6106 | nic_addr = wl->fuse_nic_addr + 1; | |
6107 | } | |
6108 | } | |
6109 | ||
f4afbed9 | 6110 | wl12xx_derive_mac_addresses(wl, oui_addr, nic_addr); |
f5fc0f86 LC |
6111 | |
6112 | ret = ieee80211_register_hw(wl->hw); | |
6113 | if (ret < 0) { | |
6114 | wl1271_error("unable to register mac80211 hw: %d", ret); | |
30c5dbd1 | 6115 | goto out; |
f5fc0f86 LC |
6116 | } |
6117 | ||
6118 | wl->mac80211_registered = true; | |
6119 | ||
d60080ae EP |
6120 | wl1271_debugfs_init(wl); |
6121 | ||
f5fc0f86 LC |
6122 | wl1271_notice("loaded"); |
6123 | ||
30c5dbd1 LC |
6124 | out: |
6125 | return ret; | |
f5fc0f86 LC |
6126 | } |
6127 | ||
4b32a2c9 | 6128 | static void wl1271_unregister_hw(struct wl1271 *wl) |
3b56dd6a | 6129 | { |
3fcdab70 | 6130 | if (wl->plt) |
f3df1331 | 6131 | wl1271_plt_stop(wl); |
4ae3fa87 | 6132 | |
3b56dd6a TP |
6133 | ieee80211_unregister_hw(wl->hw); |
6134 | wl->mac80211_registered = false; | |
6135 | ||
6136 | } | |
3b56dd6a | 6137 | |
4b32a2c9 | 6138 | static int wl1271_init_ieee80211(struct wl1271 *wl) |
f5fc0f86 | 6139 | { |
583f8164 | 6140 | int i; |
7a55724e JO |
6141 | static const u32 cipher_suites[] = { |
6142 | WLAN_CIPHER_SUITE_WEP40, | |
6143 | WLAN_CIPHER_SUITE_WEP104, | |
6144 | WLAN_CIPHER_SUITE_TKIP, | |
6145 | WLAN_CIPHER_SUITE_CCMP, | |
6146 | WL1271_CIPHER_SUITE_GEM, | |
6147 | }; | |
6148 | ||
2c0133a4 AN |
6149 | /* The tx descriptor buffer */ |
6150 | wl->hw->extra_tx_headroom = sizeof(struct wl1271_tx_hw_descr); | |
6151 | ||
6152 | if (wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) | |
6153 | wl->hw->extra_tx_headroom += WL1271_EXTRA_SPACE_TKIP; | |
f5fc0f86 LC |
6154 | |
6155 | /* unit us */ | |
6156 | /* FIXME: find a proper value */ | |
50c500ad | 6157 | wl->hw->max_listen_interval = wl->conf.conn.max_listen_interval; |
f5fc0f86 | 6158 | |
30686bf7 JB |
6159 | ieee80211_hw_set(wl->hw, SUPPORT_FAST_XMIT); |
6160 | ieee80211_hw_set(wl->hw, CHANCTX_STA_CSA); | |
cf33a772 | 6161 | ieee80211_hw_set(wl->hw, SUPPORTS_PER_STA_GTK); |
30686bf7 JB |
6162 | ieee80211_hw_set(wl->hw, QUEUE_CONTROL); |
6163 | ieee80211_hw_set(wl->hw, TX_AMPDU_SETUP_IN_HW); | |
6164 | ieee80211_hw_set(wl->hw, AMPDU_AGGREGATION); | |
6165 | ieee80211_hw_set(wl->hw, AP_LINK_PS); | |
6166 | ieee80211_hw_set(wl->hw, SPECTRUM_MGMT); | |
6167 | ieee80211_hw_set(wl->hw, REPORTS_TX_ACK_STATUS); | |
6168 | ieee80211_hw_set(wl->hw, CONNECTION_MONITOR); | |
6169 | ieee80211_hw_set(wl->hw, HAS_RATE_CONTROL); | |
6170 | ieee80211_hw_set(wl->hw, SUPPORTS_DYNAMIC_PS); | |
6171 | ieee80211_hw_set(wl->hw, SIGNAL_DBM); | |
6172 | ieee80211_hw_set(wl->hw, SUPPORTS_PS); | |
f3fe4e93 | 6173 | ieee80211_hw_set(wl->hw, SUPPORTS_TX_FRAG); |
f5fc0f86 | 6174 | |
7a55724e JO |
6175 | wl->hw->wiphy->cipher_suites = cipher_suites; |
6176 | wl->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); | |
6177 | ||
e0d8bbf0 | 6178 | wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
7845af35 EP |
6179 | BIT(NL80211_IFTYPE_AP) | |
6180 | BIT(NL80211_IFTYPE_P2P_DEVICE) | | |
6181 | BIT(NL80211_IFTYPE_P2P_CLIENT) | | |
c0174ee2 MH |
6182 | #ifdef CONFIG_MAC80211_MESH |
6183 | BIT(NL80211_IFTYPE_MESH_POINT) | | |
6184 | #endif | |
7845af35 | 6185 | BIT(NL80211_IFTYPE_P2P_GO); |
c0174ee2 | 6186 | |
f5fc0f86 | 6187 | wl->hw->wiphy->max_scan_ssids = 1; |
221737d2 LC |
6188 | wl->hw->wiphy->max_sched_scan_ssids = 16; |
6189 | wl->hw->wiphy->max_match_sets = 16; | |
ea559b46 GE |
6190 | /* |
6191 | * Maximum length of elements in scanning probe request templates | |
6192 | * should be the maximum length possible for a template, without | |
6193 | * the IEEE80211 header of the template | |
6194 | */ | |
c08e371a | 6195 | wl->hw->wiphy->max_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE - |
ea559b46 | 6196 | sizeof(struct ieee80211_header); |
a8aaaf53 | 6197 | |
ca986ad9 | 6198 | wl->hw->wiphy->max_sched_scan_reqs = 1; |
c08e371a | 6199 | wl->hw->wiphy->max_sched_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE - |
c9e79a47 LC |
6200 | sizeof(struct ieee80211_header); |
6201 | ||
fbddf587 | 6202 | wl->hw->wiphy->max_remain_on_channel_duration = 30000; |
dabf37db | 6203 | |
81ddbb5c | 6204 | wl->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD | |
1fb90260 | 6205 | WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | |
cf33a772 | 6206 | WIPHY_FLAG_HAS_CHANNEL_SWITCH | |
e2e57291 | 6207 | WIPHY_FLAG_IBSS_RSN; |
1ec23f7f | 6208 | |
87016f5e JM |
6209 | wl->hw->wiphy->features |= NL80211_FEATURE_AP_SCAN; |
6210 | ||
4a31c11c LC |
6211 | /* make sure all our channels fit in the scanned_ch bitmask */ |
6212 | BUILD_BUG_ON(ARRAY_SIZE(wl1271_channels) + | |
6213 | ARRAY_SIZE(wl1271_channels_5ghz) > | |
6214 | WL1271_MAX_CHANNELS); | |
583f8164 VG |
6215 | /* |
6216 | * clear channel flags from the previous usage | |
6217 | * and restore max_power & max_antenna_gain values. | |
6218 | */ | |
6219 | for (i = 0; i < ARRAY_SIZE(wl1271_channels); i++) { | |
6220 | wl1271_band_2ghz.channels[i].flags = 0; | |
6221 | wl1271_band_2ghz.channels[i].max_power = WLCORE_MAX_TXPWR; | |
6222 | wl1271_band_2ghz.channels[i].max_antenna_gain = 0; | |
6223 | } | |
6224 | ||
6225 | for (i = 0; i < ARRAY_SIZE(wl1271_channels_5ghz); i++) { | |
6226 | wl1271_band_5ghz.channels[i].flags = 0; | |
6227 | wl1271_band_5ghz.channels[i].max_power = WLCORE_MAX_TXPWR; | |
6228 | wl1271_band_5ghz.channels[i].max_antenna_gain = 0; | |
6229 | } | |
6230 | ||
a8aaaf53 LC |
6231 | /* |
6232 | * We keep local copies of the band structs because we need to | |
6233 | * modify them on a per-device basis. | |
6234 | */ | |
57fbcce3 | 6235 | memcpy(&wl->bands[NL80211_BAND_2GHZ], &wl1271_band_2ghz, |
a8aaaf53 | 6236 | sizeof(wl1271_band_2ghz)); |
57fbcce3 JB |
6237 | memcpy(&wl->bands[NL80211_BAND_2GHZ].ht_cap, |
6238 | &wl->ht_cap[NL80211_BAND_2GHZ], | |
bfb92ca1 | 6239 | sizeof(*wl->ht_cap)); |
57fbcce3 | 6240 | memcpy(&wl->bands[NL80211_BAND_5GHZ], &wl1271_band_5ghz, |
a8aaaf53 | 6241 | sizeof(wl1271_band_5ghz)); |
57fbcce3 JB |
6242 | memcpy(&wl->bands[NL80211_BAND_5GHZ].ht_cap, |
6243 | &wl->ht_cap[NL80211_BAND_5GHZ], | |
bfb92ca1 | 6244 | sizeof(*wl->ht_cap)); |
a8aaaf53 | 6245 | |
57fbcce3 JB |
6246 | wl->hw->wiphy->bands[NL80211_BAND_2GHZ] = |
6247 | &wl->bands[NL80211_BAND_2GHZ]; | |
6248 | wl->hw->wiphy->bands[NL80211_BAND_5GHZ] = | |
6249 | &wl->bands[NL80211_BAND_5GHZ]; | |
1ebec3d7 | 6250 | |
1c33db78 AN |
6251 | /* |
6252 | * allow 4 queues per mac address we support + | |
6253 | * 1 cab queue per mac + one global offchannel Tx queue | |
6254 | */ | |
6255 | wl->hw->queues = (NUM_TX_QUEUES + 1) * WLCORE_NUM_MAC_ADDRESSES + 1; | |
6256 | ||
6257 | /* the last queue is the offchannel queue */ | |
6258 | wl->hw->offchannel_tx_hw_queue = wl->hw->queues - 1; | |
31627dc5 | 6259 | wl->hw->max_rates = 1; |
12bd8949 | 6260 | |
b7417d93 JO |
6261 | wl->hw->wiphy->reg_notifier = wl1271_reg_notify; |
6262 | ||
9c1b190b AN |
6263 | /* the FW answers probe-requests in AP-mode */ |
6264 | wl->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; | |
6265 | wl->hw->wiphy->probe_resp_offload = | |
6266 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | | |
6267 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | | |
6268 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; | |
6269 | ||
bcab320b | 6270 | /* allowed interface combinations */ |
abf0b249 EP |
6271 | wl->hw->wiphy->iface_combinations = wl->iface_combinations; |
6272 | wl->hw->wiphy->n_iface_combinations = wl->n_iface_combinations; | |
bcab320b | 6273 | |
d8c5a48d EP |
6274 | /* register vendor commands */ |
6275 | wlcore_set_vendor_commands(wl->hw->wiphy); | |
6276 | ||
a390e85c | 6277 | SET_IEEE80211_DEV(wl->hw, wl->dev); |
f5fc0f86 | 6278 | |
f84f7d78 | 6279 | wl->hw->sta_data_size = sizeof(struct wl1271_station); |
87fbcb0f | 6280 | wl->hw->vif_data_size = sizeof(struct wl12xx_vif); |
f84f7d78 | 6281 | |
ba421f8f | 6282 | wl->hw->max_rx_aggregation_subframes = wl->conf.ht.rx_ba_win_size; |
4c9cfa78 | 6283 | |
f5fc0f86 LC |
6284 | return 0; |
6285 | } | |
6286 | ||
c50a2825 EP |
6287 | struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size, u32 aggr_buf_size, |
6288 | u32 mbox_size) | |
f5fc0f86 | 6289 | { |
f5fc0f86 LC |
6290 | struct ieee80211_hw *hw; |
6291 | struct wl1271 *wl; | |
a8c0ddb5 | 6292 | int i, j, ret; |
1f37cbc9 | 6293 | unsigned int order; |
f5fc0f86 LC |
6294 | |
6295 | hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops); | |
6296 | if (!hw) { | |
6297 | wl1271_error("could not alloc ieee80211_hw"); | |
a1dd8187 | 6298 | ret = -ENOMEM; |
3b56dd6a TP |
6299 | goto err_hw_alloc; |
6300 | } | |
6301 | ||
f5fc0f86 LC |
6302 | wl = hw->priv; |
6303 | memset(wl, 0, sizeof(*wl)); | |
6304 | ||
96e0c683 AN |
6305 | wl->priv = kzalloc(priv_size, GFP_KERNEL); |
6306 | if (!wl->priv) { | |
6307 | wl1271_error("could not alloc wl priv"); | |
6308 | ret = -ENOMEM; | |
6309 | goto err_priv_alloc; | |
6310 | } | |
6311 | ||
87627214 | 6312 | INIT_LIST_HEAD(&wl->wlvif_list); |
01c09162 | 6313 | |
f5fc0f86 | 6314 | wl->hw = hw; |
f5fc0f86 | 6315 | |
da08fdfa EP |
6316 | /* |
6317 | * wl->num_links is not configured yet, so just use WLCORE_MAX_LINKS. | |
6318 | * we don't allocate any additional resource here, so that's fine. | |
6319 | */ | |
a8c0ddb5 | 6320 | for (i = 0; i < NUM_TX_QUEUES; i++) |
da08fdfa | 6321 | for (j = 0; j < WLCORE_MAX_LINKS; j++) |
a8c0ddb5 AN |
6322 | skb_queue_head_init(&wl->links[j].tx_queue[i]); |
6323 | ||
a620865e IY |
6324 | skb_queue_head_init(&wl->deferred_rx_queue); |
6325 | skb_queue_head_init(&wl->deferred_tx_queue); | |
6326 | ||
a620865e | 6327 | INIT_WORK(&wl->netstack_work, wl1271_netstack_work); |
117b38d0 JO |
6328 | INIT_WORK(&wl->tx_work, wl1271_tx_work); |
6329 | INIT_WORK(&wl->recovery_work, wl1271_recovery_work); | |
6330 | INIT_DELAYED_WORK(&wl->scan_complete_work, wl1271_scan_complete_work); | |
dabf37db | 6331 | INIT_DELAYED_WORK(&wl->roc_complete_work, wlcore_roc_complete_work); |
55df5afb | 6332 | INIT_DELAYED_WORK(&wl->tx_watchdog_work, wl12xx_tx_watchdog_work); |
77ddaa10 | 6333 | |
92ef8960 EP |
6334 | wl->freezable_wq = create_freezable_workqueue("wl12xx_wq"); |
6335 | if (!wl->freezable_wq) { | |
6336 | ret = -ENOMEM; | |
6337 | goto err_hw; | |
6338 | } | |
6339 | ||
8f6ac537 | 6340 | wl->channel = 0; |
f5fc0f86 | 6341 | wl->rx_counter = 0; |
f5fc0f86 | 6342 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
57fbcce3 | 6343 | wl->band = NL80211_BAND_2GHZ; |
83d08d3f | 6344 | wl->channel_type = NL80211_CHAN_NO_HT; |
830fb67b | 6345 | wl->flags = 0; |
7fc3a864 | 6346 | wl->sg_enabled = true; |
66340e5b | 6347 | wl->sleep_auth = WL1271_PSM_ILLEGAL; |
c108c905 | 6348 | wl->recovery_count = 0; |
d717fd61 | 6349 | wl->hw_pg_ver = -1; |
b622d992 AN |
6350 | wl->ap_ps_map = 0; |
6351 | wl->ap_fw_ps_map = 0; | |
606ea9fa | 6352 | wl->quirks = 0; |
f4df1bd5 | 6353 | wl->system_hlid = WL12XX_SYSTEM_HLID; |
da03209e | 6354 | wl->active_sta_count = 0; |
9a100968 | 6355 | wl->active_link_count = 0; |
95dac04f | 6356 | wl->fwlog_size = 0; |
f5fc0f86 | 6357 | |
f4df1bd5 EP |
6358 | /* The system link is always allocated */ |
6359 | __set_bit(WL12XX_SYSTEM_HLID, wl->links_map); | |
6360 | ||
25eeb9e3 | 6361 | memset(wl->tx_frames_map, 0, sizeof(wl->tx_frames_map)); |
72b0624f | 6362 | for (i = 0; i < wl->num_tx_desc; i++) |
f5fc0f86 LC |
6363 | wl->tx_frames[i] = NULL; |
6364 | ||
6365 | spin_lock_init(&wl->wl_lock); | |
6366 | ||
4cc53383 | 6367 | wl->state = WLCORE_STATE_OFF; |
3fcdab70 | 6368 | wl->fw_type = WL12XX_FW_TYPE_NONE; |
f5fc0f86 | 6369 | mutex_init(&wl->mutex); |
2c38849f | 6370 | mutex_init(&wl->flush_mutex); |
6f8d6b20 | 6371 | init_completion(&wl->nvs_loading_complete); |
f5fc0f86 | 6372 | |
26a309c7 | 6373 | order = get_order(aggr_buf_size); |
1f37cbc9 IY |
6374 | wl->aggr_buf = (u8 *)__get_free_pages(GFP_KERNEL, order); |
6375 | if (!wl->aggr_buf) { | |
6376 | ret = -ENOMEM; | |
92ef8960 | 6377 | goto err_wq; |
1f37cbc9 | 6378 | } |
26a309c7 | 6379 | wl->aggr_buf_size = aggr_buf_size; |
1f37cbc9 | 6380 | |
990f5de7 IY |
6381 | wl->dummy_packet = wl12xx_alloc_dummy_packet(wl); |
6382 | if (!wl->dummy_packet) { | |
6383 | ret = -ENOMEM; | |
6384 | goto err_aggr; | |
6385 | } | |
6386 | ||
95dac04f IY |
6387 | /* Allocate one page for the FW log */ |
6388 | wl->fwlog = (u8 *)get_zeroed_page(GFP_KERNEL); | |
6389 | if (!wl->fwlog) { | |
6390 | ret = -ENOMEM; | |
6391 | goto err_dummy_packet; | |
6392 | } | |
6393 | ||
c50a2825 EP |
6394 | wl->mbox_size = mbox_size; |
6395 | wl->mbox = kmalloc(wl->mbox_size, GFP_KERNEL | GFP_DMA); | |
690142e9 MG |
6396 | if (!wl->mbox) { |
6397 | ret = -ENOMEM; | |
6398 | goto err_fwlog; | |
6399 | } | |
6400 | ||
2e07d028 IY |
6401 | wl->buffer_32 = kmalloc(sizeof(*wl->buffer_32), GFP_KERNEL); |
6402 | if (!wl->buffer_32) { | |
6403 | ret = -ENOMEM; | |
6404 | goto err_mbox; | |
6405 | } | |
6406 | ||
c332a4b8 | 6407 | return hw; |
a1dd8187 | 6408 | |
2e07d028 IY |
6409 | err_mbox: |
6410 | kfree(wl->mbox); | |
6411 | ||
690142e9 MG |
6412 | err_fwlog: |
6413 | free_page((unsigned long)wl->fwlog); | |
6414 | ||
990f5de7 IY |
6415 | err_dummy_packet: |
6416 | dev_kfree_skb(wl->dummy_packet); | |
6417 | ||
1f37cbc9 IY |
6418 | err_aggr: |
6419 | free_pages((unsigned long)wl->aggr_buf, order); | |
6420 | ||
92ef8960 EP |
6421 | err_wq: |
6422 | destroy_workqueue(wl->freezable_wq); | |
6423 | ||
a1dd8187 | 6424 | err_hw: |
3b56dd6a | 6425 | wl1271_debugfs_exit(wl); |
96e0c683 AN |
6426 | kfree(wl->priv); |
6427 | ||
6428 | err_priv_alloc: | |
3b56dd6a TP |
6429 | ieee80211_free_hw(hw); |
6430 | ||
6431 | err_hw_alloc: | |
a1dd8187 | 6432 | |
a1dd8187 | 6433 | return ERR_PTR(ret); |
c332a4b8 | 6434 | } |
ffeb501c | 6435 | EXPORT_SYMBOL_GPL(wlcore_alloc_hw); |
c332a4b8 | 6436 | |
ffeb501c | 6437 | int wlcore_free_hw(struct wl1271 *wl) |
c332a4b8 | 6438 | { |
95dac04f IY |
6439 | /* Unblock any fwlog readers */ |
6440 | mutex_lock(&wl->mutex); | |
6441 | wl->fwlog_size = -1; | |
95dac04f IY |
6442 | mutex_unlock(&wl->mutex); |
6443 | ||
33cab57a | 6444 | wlcore_sysfs_free(wl); |
6f07b72a | 6445 | |
2e07d028 | 6446 | kfree(wl->buffer_32); |
a8e27820 | 6447 | kfree(wl->mbox); |
95dac04f | 6448 | free_page((unsigned long)wl->fwlog); |
990f5de7 | 6449 | dev_kfree_skb(wl->dummy_packet); |
26a309c7 | 6450 | free_pages((unsigned long)wl->aggr_buf, get_order(wl->aggr_buf_size)); |
c332a4b8 TP |
6451 | |
6452 | wl1271_debugfs_exit(wl); | |
6453 | ||
c332a4b8 TP |
6454 | vfree(wl->fw); |
6455 | wl->fw = NULL; | |
3fcdab70 | 6456 | wl->fw_type = WL12XX_FW_TYPE_NONE; |
c332a4b8 TP |
6457 | kfree(wl->nvs); |
6458 | wl->nvs = NULL; | |
6459 | ||
75fb4df7 EP |
6460 | kfree(wl->raw_fw_status); |
6461 | kfree(wl->fw_status); | |
c332a4b8 | 6462 | kfree(wl->tx_res_if); |
92ef8960 | 6463 | destroy_workqueue(wl->freezable_wq); |
c332a4b8 | 6464 | |
96e0c683 | 6465 | kfree(wl->priv); |
c332a4b8 TP |
6466 | ieee80211_free_hw(wl->hw); |
6467 | ||
6468 | return 0; | |
6469 | } | |
ffeb501c | 6470 | EXPORT_SYMBOL_GPL(wlcore_free_hw); |
50b3eb4b | 6471 | |
964dc9e2 JB |
6472 | #ifdef CONFIG_PM |
6473 | static const struct wiphy_wowlan_support wlcore_wowlan_support = { | |
6474 | .flags = WIPHY_WOWLAN_ANY, | |
6475 | .n_patterns = WL1271_MAX_RX_FILTERS, | |
6476 | .pattern_min_len = 1, | |
6477 | .pattern_max_len = WL1271_RX_FILTER_MAX_PATTERN_SIZE, | |
6478 | }; | |
6479 | #endif | |
6480 | ||
f2cede49 AN |
6481 | static irqreturn_t wlcore_hardirq(int irq, void *cookie) |
6482 | { | |
6483 | return IRQ_WAKE_THREAD; | |
6484 | } | |
6485 | ||
6f8d6b20 | 6486 | static void wlcore_nvs_cb(const struct firmware *fw, void *context) |
ce2a217c | 6487 | { |
6f8d6b20 IY |
6488 | struct wl1271 *wl = context; |
6489 | struct platform_device *pdev = wl->pdev; | |
90650625 | 6490 | struct wlcore_platdev_data *pdev_data = dev_get_platdata(&pdev->dev); |
6f921fab LC |
6491 | struct resource *res; |
6492 | ||
ffeb501c | 6493 | int ret; |
f2cede49 | 6494 | irq_handler_t hardirq_fn = NULL; |
a390e85c | 6495 | |
6f8d6b20 IY |
6496 | if (fw) { |
6497 | wl->nvs = kmemdup(fw->data, fw->size, GFP_KERNEL); | |
6498 | if (!wl->nvs) { | |
6499 | wl1271_error("Could not allocate nvs data"); | |
6500 | goto out; | |
6501 | } | |
6502 | wl->nvs_len = fw->size; | |
3e1ac932 | 6503 | } else if (pdev_data->family->nvs_name) { |
6f8d6b20 | 6504 | wl1271_debug(DEBUG_BOOT, "Could not get nvs file %s", |
3e1ac932 TL |
6505 | pdev_data->family->nvs_name); |
6506 | wl->nvs = NULL; | |
6507 | wl->nvs_len = 0; | |
6508 | } else { | |
6f8d6b20 IY |
6509 | wl->nvs = NULL; |
6510 | wl->nvs_len = 0; | |
a390e85c FB |
6511 | } |
6512 | ||
3992eb2b IY |
6513 | ret = wl->ops->setup(wl); |
6514 | if (ret < 0) | |
6f8d6b20 | 6515 | goto out_free_nvs; |
3992eb2b | 6516 | |
72b0624f AN |
6517 | BUG_ON(wl->num_tx_desc > WLCORE_MAX_TX_DESCRIPTORS); |
6518 | ||
e87288f0 LC |
6519 | /* adjust some runtime configuration parameters */ |
6520 | wlcore_adjust_conf(wl); | |
6521 | ||
6f921fab LC |
6522 | res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); |
6523 | if (!res) { | |
6524 | wl1271_error("Could not get IRQ resource"); | |
6525 | goto out_free_nvs; | |
6526 | } | |
6527 | ||
6528 | wl->irq = res->start; | |
6529 | wl->irq_flags = res->flags & IRQF_TRIGGER_MASK; | |
afb43e6d | 6530 | wl->if_ops = pdev_data->if_ops; |
a390e85c | 6531 | |
6f921fab | 6532 | if (wl->irq_flags & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING)) |
f2cede49 | 6533 | hardirq_fn = wlcore_hardirq; |
6f921fab LC |
6534 | else |
6535 | wl->irq_flags |= IRQF_ONESHOT; | |
a390e85c | 6536 | |
bd763482 ER |
6537 | ret = wl12xx_set_power_on(wl); |
6538 | if (ret < 0) | |
6539 | goto out_free_nvs; | |
6540 | ||
6541 | ret = wl12xx_get_hw_info(wl); | |
6542 | if (ret < 0) { | |
6543 | wl1271_error("couldn't get hw info"); | |
6544 | wl1271_power_off(wl); | |
6545 | goto out_free_nvs; | |
6546 | } | |
6547 | ||
f2cede49 | 6548 | ret = request_threaded_irq(wl->irq, hardirq_fn, wlcore_irq, |
6f921fab | 6549 | wl->irq_flags, pdev->name, wl); |
a390e85c | 6550 | if (ret < 0) { |
bd763482 ER |
6551 | wl1271_error("interrupt configuration failed"); |
6552 | wl1271_power_off(wl); | |
6f8d6b20 | 6553 | goto out_free_nvs; |
a390e85c FB |
6554 | } |
6555 | ||
dfb89c56 | 6556 | #ifdef CONFIG_PM |
3c83dd57 TL |
6557 | device_init_wakeup(wl->dev, true); |
6558 | ||
a390e85c FB |
6559 | ret = enable_irq_wake(wl->irq); |
6560 | if (!ret) { | |
6561 | wl->irq_wake_enabled = true; | |
83c3a7d4 | 6562 | if (pdev_data->pwr_in_suspend) |
964dc9e2 | 6563 | wl->hw->wiphy->wowlan = &wlcore_wowlan_support; |
a390e85c | 6564 | } |
3c83dd57 TL |
6565 | |
6566 | res = platform_get_resource(pdev, IORESOURCE_IRQ, 1); | |
6567 | if (res) { | |
6568 | wl->wakeirq = res->start; | |
6569 | wl->wakeirq_flags = res->flags & IRQF_TRIGGER_MASK; | |
6570 | ret = dev_pm_set_dedicated_wake_irq(wl->dev, wl->wakeirq); | |
6571 | if (ret) | |
6572 | wl->wakeirq = -ENODEV; | |
6573 | } else { | |
6574 | wl->wakeirq = -ENODEV; | |
6575 | } | |
dfb89c56 | 6576 | #endif |
a390e85c | 6577 | disable_irq(wl->irq); |
bd763482 | 6578 | wl1271_power_off(wl); |
4afc37a0 LC |
6579 | |
6580 | ret = wl->ops->identify_chip(wl); | |
6581 | if (ret < 0) | |
8b425e62 | 6582 | goto out_irq; |
4afc37a0 | 6583 | |
a390e85c FB |
6584 | ret = wl1271_init_ieee80211(wl); |
6585 | if (ret) | |
6586 | goto out_irq; | |
6587 | ||
6588 | ret = wl1271_register_hw(wl); | |
6589 | if (ret) | |
6590 | goto out_irq; | |
6591 | ||
33cab57a LC |
6592 | ret = wlcore_sysfs_init(wl); |
6593 | if (ret) | |
8b425e62 | 6594 | goto out_unreg; |
f79f890c | 6595 | |
6f8d6b20 | 6596 | wl->initialized = true; |
ffeb501c | 6597 | goto out; |
a390e85c | 6598 | |
8b425e62 LC |
6599 | out_unreg: |
6600 | wl1271_unregister_hw(wl); | |
6601 | ||
a390e85c | 6602 | out_irq: |
3c83dd57 TL |
6603 | if (wl->wakeirq >= 0) |
6604 | dev_pm_clear_wake_irq(wl->dev); | |
6605 | device_init_wakeup(wl->dev, false); | |
a390e85c FB |
6606 | free_irq(wl->irq, wl); |
6607 | ||
6f8d6b20 IY |
6608 | out_free_nvs: |
6609 | kfree(wl->nvs); | |
6610 | ||
a390e85c | 6611 | out: |
6f8d6b20 IY |
6612 | release_firmware(fw); |
6613 | complete_all(&wl->nvs_loading_complete); | |
6614 | } | |
6615 | ||
fa2648a3 TL |
6616 | static int __maybe_unused wlcore_runtime_suspend(struct device *dev) |
6617 | { | |
6618 | struct wl1271 *wl = dev_get_drvdata(dev); | |
6619 | struct wl12xx_vif *wlvif; | |
6620 | int error; | |
6621 | ||
6622 | /* We do not enter elp sleep in PLT mode */ | |
6623 | if (wl->plt) | |
6624 | return 0; | |
6625 | ||
6626 | /* Nothing to do if no ELP mode requested */ | |
6627 | if (wl->sleep_auth != WL1271_PSM_ELP) | |
6628 | return 0; | |
6629 | ||
6630 | wl12xx_for_each_wlvif(wl, wlvif) { | |
6631 | if (!test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags) && | |
6632 | test_bit(WLVIF_FLAG_IN_USE, &wlvif->flags)) | |
6633 | return -EBUSY; | |
6634 | } | |
6635 | ||
6636 | wl1271_debug(DEBUG_PSM, "chip to elp"); | |
6637 | error = wlcore_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG, ELPCTRL_SLEEP); | |
6638 | if (error < 0) { | |
6639 | wl12xx_queue_recovery_work(wl); | |
6640 | ||
6641 | return error; | |
6642 | } | |
6643 | ||
6644 | set_bit(WL1271_FLAG_IN_ELP, &wl->flags); | |
6645 | ||
6646 | return 0; | |
6647 | } | |
6648 | ||
6649 | static int __maybe_unused wlcore_runtime_resume(struct device *dev) | |
6650 | { | |
6651 | struct wl1271 *wl = dev_get_drvdata(dev); | |
6652 | DECLARE_COMPLETION_ONSTACK(compl); | |
6653 | unsigned long flags; | |
6654 | int ret; | |
6655 | unsigned long start_time = jiffies; | |
4e651bad | 6656 | bool recovery = false; |
fa2648a3 TL |
6657 | |
6658 | /* Nothing to do if no ELP mode requested */ | |
6659 | if (!test_bit(WL1271_FLAG_IN_ELP, &wl->flags)) | |
6660 | return 0; | |
6661 | ||
6662 | wl1271_debug(DEBUG_PSM, "waking up chip from elp"); | |
6663 | ||
6664 | spin_lock_irqsave(&wl->wl_lock, flags); | |
eb215c33 | 6665 | wl->elp_compl = &compl; |
fa2648a3 TL |
6666 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
6667 | ||
6668 | ret = wlcore_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG, ELPCTRL_WAKE_UP); | |
6669 | if (ret < 0) { | |
4e651bad | 6670 | recovery = true; |
eb215c33 | 6671 | } else if (!test_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags)) { |
fa2648a3 TL |
6672 | ret = wait_for_completion_timeout(&compl, |
6673 | msecs_to_jiffies(WL1271_WAKEUP_TIMEOUT)); | |
6674 | if (ret == 0) { | |
4e651bad | 6675 | wl1271_warning("ELP wakeup timeout!"); |
4e651bad | 6676 | recovery = true; |
fa2648a3 TL |
6677 | } |
6678 | } | |
6679 | ||
fa2648a3 TL |
6680 | spin_lock_irqsave(&wl->wl_lock, flags); |
6681 | wl->elp_compl = NULL; | |
6682 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
eb215c33 | 6683 | clear_bit(WL1271_FLAG_IN_ELP, &wl->flags); |
4e651bad TL |
6684 | |
6685 | if (recovery) { | |
6686 | set_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags); | |
6687 | wl12xx_queue_recovery_work(wl); | |
eb215c33 TL |
6688 | } else { |
6689 | wl1271_debug(DEBUG_PSM, "wakeup time: %u ms", | |
6690 | jiffies_to_msecs(jiffies - start_time)); | |
4e651bad TL |
6691 | } |
6692 | ||
eb215c33 | 6693 | return 0; |
fa2648a3 TL |
6694 | } |
6695 | ||
6696 | static const struct dev_pm_ops wlcore_pm_ops = { | |
6697 | SET_RUNTIME_PM_OPS(wlcore_runtime_suspend, | |
6698 | wlcore_runtime_resume, | |
6699 | NULL) | |
6700 | }; | |
6701 | ||
b74324d1 | 6702 | int wlcore_probe(struct wl1271 *wl, struct platform_device *pdev) |
6f8d6b20 | 6703 | { |
3e1ac932 TL |
6704 | struct wlcore_platdev_data *pdev_data = dev_get_platdata(&pdev->dev); |
6705 | const char *nvs_name; | |
6706 | int ret = 0; | |
6f8d6b20 | 6707 | |
3e1ac932 | 6708 | if (!wl->ops || !wl->ptable || !pdev_data) |
6f8d6b20 IY |
6709 | return -EINVAL; |
6710 | ||
6711 | wl->dev = &pdev->dev; | |
6712 | wl->pdev = pdev; | |
6713 | platform_set_drvdata(pdev, wl); | |
6714 | ||
3e1ac932 TL |
6715 | if (pdev_data->family && pdev_data->family->nvs_name) { |
6716 | nvs_name = pdev_data->family->nvs_name; | |
0733d839 | 6717 | ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_UEVENT, |
3e1ac932 TL |
6718 | nvs_name, &pdev->dev, GFP_KERNEL, |
6719 | wl, wlcore_nvs_cb); | |
6720 | if (ret < 0) { | |
6721 | wl1271_error("request_firmware_nowait failed for %s: %d", | |
6722 | nvs_name, ret); | |
6723 | complete_all(&wl->nvs_loading_complete); | |
6724 | } | |
6725 | } else { | |
6726 | wlcore_nvs_cb(NULL, wl); | |
6f8d6b20 IY |
6727 | } |
6728 | ||
fa2648a3 | 6729 | wl->dev->driver->pm = &wlcore_pm_ops; |
9b71578d TL |
6730 | pm_runtime_set_autosuspend_delay(wl->dev, 50); |
6731 | pm_runtime_use_autosuspend(wl->dev); | |
fa2648a3 TL |
6732 | pm_runtime_enable(wl->dev); |
6733 | ||
a390e85c | 6734 | return ret; |
ce2a217c | 6735 | } |
b2ba99ff | 6736 | EXPORT_SYMBOL_GPL(wlcore_probe); |
ce2a217c | 6737 | |
b74324d1 | 6738 | int wlcore_remove(struct platform_device *pdev) |
ce2a217c | 6739 | { |
3e1ac932 | 6740 | struct wlcore_platdev_data *pdev_data = dev_get_platdata(&pdev->dev); |
a390e85c | 6741 | struct wl1271 *wl = platform_get_drvdata(pdev); |
fa2648a3 TL |
6742 | int error; |
6743 | ||
6744 | error = pm_runtime_get_sync(wl->dev); | |
6745 | if (error < 0) | |
6746 | dev_warn(wl->dev, "PM runtime failed: %i\n", error); | |
6747 | ||
6748 | wl->dev->driver->pm = NULL; | |
a390e85c | 6749 | |
3e1ac932 TL |
6750 | if (pdev_data->family && pdev_data->family->nvs_name) |
6751 | wait_for_completion(&wl->nvs_loading_complete); | |
6f8d6b20 IY |
6752 | if (!wl->initialized) |
6753 | return 0; | |
6754 | ||
3c83dd57 TL |
6755 | if (wl->wakeirq >= 0) { |
6756 | dev_pm_clear_wake_irq(wl->dev); | |
6757 | wl->wakeirq = -ENODEV; | |
a390e85c | 6758 | } |
3c83dd57 TL |
6759 | |
6760 | device_init_wakeup(wl->dev, false); | |
6761 | ||
6762 | if (wl->irq_wake_enabled) | |
6763 | disable_irq_wake(wl->irq); | |
6764 | ||
a390e85c | 6765 | wl1271_unregister_hw(wl); |
fa2648a3 TL |
6766 | |
6767 | pm_runtime_put_sync(wl->dev); | |
9b71578d | 6768 | pm_runtime_dont_use_autosuspend(wl->dev); |
fa2648a3 TL |
6769 | pm_runtime_disable(wl->dev); |
6770 | ||
a390e85c | 6771 | free_irq(wl->irq, wl); |
ffeb501c | 6772 | wlcore_free_hw(wl); |
a390e85c | 6773 | |
ce2a217c FB |
6774 | return 0; |
6775 | } | |
b2ba99ff | 6776 | EXPORT_SYMBOL_GPL(wlcore_remove); |
ce2a217c | 6777 | |
491bbd6b | 6778 | u32 wl12xx_debug_level = DEBUG_NONE; |
17c1755c | 6779 | EXPORT_SYMBOL_GPL(wl12xx_debug_level); |
2ef00c53 | 6780 | module_param_named(debug_level, wl12xx_debug_level, uint, 0600); |
17c1755c EP |
6781 | MODULE_PARM_DESC(debug_level, "wl12xx debugging level"); |
6782 | ||
95dac04f | 6783 | module_param_named(fwlog, fwlog_param, charp, 0); |
2c882fa4 | 6784 | MODULE_PARM_DESC(fwlog, |
3719c17e | 6785 | "FW logger options: continuous, dbgpins or disable"); |
95dac04f | 6786 | |
2ef00c53 | 6787 | module_param(fwlog_mem_blocks, int, 0600); |
93ac8488 IR |
6788 | MODULE_PARM_DESC(fwlog_mem_blocks, "fwlog mem_blocks"); |
6789 | ||
2ef00c53 | 6790 | module_param(bug_on_recovery, int, 0600); |
2a5bff09 EP |
6791 | MODULE_PARM_DESC(bug_on_recovery, "BUG() on fw recovery"); |
6792 | ||
2ef00c53 | 6793 | module_param(no_recovery, int, 0600); |
34785be5 AN |
6794 | MODULE_PARM_DESC(no_recovery, "Prevent HW recovery. FW will remain stuck."); |
6795 | ||
50b3eb4b | 6796 | MODULE_LICENSE("GPL"); |
b1a48cab | 6797 | MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>"); |
50b3eb4b | 6798 | MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); |