Commit | Line | Data |
---|---|---|
f1d63a59 | 1 | |
f5fc0f86 | 2 | /* |
8f6ac537 | 3 | * This file is part of wlcore |
f5fc0f86 | 4 | * |
8bf29b0e | 5 | * Copyright (C) 2008-2010 Nokia Corporation |
8f6ac537 | 6 | * Copyright (C) 2011-2013 Texas Instruments Inc. |
f5fc0f86 LC |
7 | * |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License | |
10 | * version 2 as published by the Free Software Foundation. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
20 | * 02110-1301 USA | |
21 | * | |
22 | */ | |
23 | ||
24 | #include <linux/module.h> | |
f5fc0f86 | 25 | #include <linux/firmware.h> |
f5fc0f86 | 26 | #include <linux/etherdevice.h> |
1fba4974 | 27 | #include <linux/vmalloc.h> |
341b7cde | 28 | #include <linux/wl12xx.h> |
a390e85c | 29 | #include <linux/interrupt.h> |
f5fc0f86 | 30 | |
c31be25a | 31 | #include "wlcore.h" |
0f4e3122 | 32 | #include "debug.h" |
f5fc0f86 | 33 | #include "wl12xx_80211.h" |
00d20100 | 34 | #include "io.h" |
00d20100 | 35 | #include "tx.h" |
00d20100 SL |
36 | #include "ps.h" |
37 | #include "init.h" | |
38 | #include "debugfs.h" | |
00d20100 SL |
39 | #include "testmode.h" |
40 | #include "scan.h" | |
53d67a50 | 41 | #include "hw_ops.h" |
33cab57a | 42 | #include "sysfs.h" |
f5fc0f86 | 43 | |
9ccd9217 JO |
44 | #define WL1271_BOOT_RETRIES 3 |
45 | ||
95dac04f | 46 | static char *fwlog_param; |
93ac8488 | 47 | static int fwlog_mem_blocks = -1; |
7230341f YS |
48 | static int bug_on_recovery = -1; |
49 | static int no_recovery = -1; | |
95dac04f | 50 | |
7dece1c8 | 51 | static void __wl1271_op_remove_interface(struct wl1271 *wl, |
536129c8 | 52 | struct ieee80211_vif *vif, |
7dece1c8 | 53 | bool reset_tx_queues); |
c24ec83b | 54 | static void wlcore_op_stop_locked(struct wl1271 *wl); |
170d0e67 | 55 | static void wl1271_free_ap_keys(struct wl1271 *wl, struct wl12xx_vif *wlvif); |
52b0e7a6 | 56 | |
8f6ac537 | 57 | static int wl12xx_set_authorized(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
ef4b29e9 EP |
58 | { |
59 | int ret; | |
0603d891 | 60 | |
9fd6f21b EP |
61 | if (WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS)) |
62 | return -EINVAL; | |
63 | ||
64 | if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) | |
ef4b29e9 EP |
65 | return 0; |
66 | ||
8181aecc | 67 | if (test_and_set_bit(WLVIF_FLAG_STA_STATE_SENT, &wlvif->flags)) |
ef4b29e9 EP |
68 | return 0; |
69 | ||
d50529c0 | 70 | ret = wl12xx_cmd_set_peer_state(wl, wlvif, wlvif->sta.hlid); |
ef4b29e9 EP |
71 | if (ret < 0) |
72 | return ret; | |
73 | ||
74 | wl1271_info("Association completed."); | |
75 | return 0; | |
76 | } | |
c2c192ac | 77 | |
0c0280bd LR |
78 | static void wl1271_reg_notify(struct wiphy *wiphy, |
79 | struct regulatory_request *request) | |
573c67cf | 80 | { |
b7417d93 JO |
81 | struct ieee80211_supported_band *band; |
82 | struct ieee80211_channel *ch; | |
83 | int i; | |
6b70e7eb VG |
84 | struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); |
85 | struct wl1271 *wl = hw->priv; | |
b7417d93 JO |
86 | |
87 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; | |
88 | for (i = 0; i < band->n_channels; i++) { | |
89 | ch = &band->channels[i]; | |
90 | if (ch->flags & IEEE80211_CHAN_DISABLED) | |
91 | continue; | |
92 | ||
93 | if (ch->flags & IEEE80211_CHAN_RADAR) | |
8fe02e16 | 94 | ch->flags |= IEEE80211_CHAN_NO_IR; |
b7417d93 JO |
95 | |
96 | } | |
97 | ||
75592be5 | 98 | wlcore_regdomain_config(wl); |
b7417d93 JO |
99 | } |
100 | ||
9eb599e9 EP |
101 | static int wl1271_set_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
102 | bool enable) | |
77ddaa10 EP |
103 | { |
104 | int ret = 0; | |
105 | ||
106 | /* we should hold wl->mutex */ | |
9eb599e9 | 107 | ret = wl1271_acx_ps_rx_streaming(wl, wlvif, enable); |
77ddaa10 EP |
108 | if (ret < 0) |
109 | goto out; | |
110 | ||
111 | if (enable) | |
0744bdb6 | 112 | set_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags); |
77ddaa10 | 113 | else |
0744bdb6 | 114 | clear_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags); |
77ddaa10 EP |
115 | out: |
116 | return ret; | |
117 | } | |
118 | ||
119 | /* | |
120 | * this function is being called when the rx_streaming interval | |
121 | * has beed changed or rx_streaming should be disabled | |
122 | */ | |
9eb599e9 | 123 | int wl1271_recalc_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
77ddaa10 EP |
124 | { |
125 | int ret = 0; | |
126 | int period = wl->conf.rx_streaming.interval; | |
127 | ||
128 | /* don't reconfigure if rx_streaming is disabled */ | |
0744bdb6 | 129 | if (!test_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags)) |
77ddaa10 EP |
130 | goto out; |
131 | ||
132 | /* reconfigure/disable according to new streaming_period */ | |
133 | if (period && | |
ba8447f6 | 134 | test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) && |
77ddaa10 EP |
135 | (wl->conf.rx_streaming.always || |
136 | test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) | |
9eb599e9 | 137 | ret = wl1271_set_rx_streaming(wl, wlvif, true); |
77ddaa10 | 138 | else { |
9eb599e9 | 139 | ret = wl1271_set_rx_streaming(wl, wlvif, false); |
77ddaa10 | 140 | /* don't cancel_work_sync since we might deadlock */ |
9eb599e9 | 141 | del_timer_sync(&wlvif->rx_streaming_timer); |
77ddaa10 EP |
142 | } |
143 | out: | |
144 | return ret; | |
145 | } | |
146 | ||
147 | static void wl1271_rx_streaming_enable_work(struct work_struct *work) | |
148 | { | |
149 | int ret; | |
9eb599e9 EP |
150 | struct wl12xx_vif *wlvif = container_of(work, struct wl12xx_vif, |
151 | rx_streaming_enable_work); | |
152 | struct wl1271 *wl = wlvif->wl; | |
77ddaa10 EP |
153 | |
154 | mutex_lock(&wl->mutex); | |
155 | ||
0744bdb6 | 156 | if (test_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags) || |
ba8447f6 | 157 | !test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) || |
77ddaa10 EP |
158 | (!wl->conf.rx_streaming.always && |
159 | !test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) | |
160 | goto out; | |
161 | ||
162 | if (!wl->conf.rx_streaming.interval) | |
163 | goto out; | |
164 | ||
165 | ret = wl1271_ps_elp_wakeup(wl); | |
166 | if (ret < 0) | |
167 | goto out; | |
168 | ||
9eb599e9 | 169 | ret = wl1271_set_rx_streaming(wl, wlvif, true); |
77ddaa10 EP |
170 | if (ret < 0) |
171 | goto out_sleep; | |
172 | ||
173 | /* stop it after some time of inactivity */ | |
9eb599e9 | 174 | mod_timer(&wlvif->rx_streaming_timer, |
77ddaa10 EP |
175 | jiffies + msecs_to_jiffies(wl->conf.rx_streaming.duration)); |
176 | ||
177 | out_sleep: | |
178 | wl1271_ps_elp_sleep(wl); | |
179 | out: | |
180 | mutex_unlock(&wl->mutex); | |
181 | } | |
182 | ||
183 | static void wl1271_rx_streaming_disable_work(struct work_struct *work) | |
184 | { | |
185 | int ret; | |
9eb599e9 EP |
186 | struct wl12xx_vif *wlvif = container_of(work, struct wl12xx_vif, |
187 | rx_streaming_disable_work); | |
188 | struct wl1271 *wl = wlvif->wl; | |
77ddaa10 EP |
189 | |
190 | mutex_lock(&wl->mutex); | |
191 | ||
0744bdb6 | 192 | if (!test_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags)) |
77ddaa10 EP |
193 | goto out; |
194 | ||
195 | ret = wl1271_ps_elp_wakeup(wl); | |
196 | if (ret < 0) | |
197 | goto out; | |
198 | ||
9eb599e9 | 199 | ret = wl1271_set_rx_streaming(wl, wlvif, false); |
77ddaa10 EP |
200 | if (ret) |
201 | goto out_sleep; | |
202 | ||
203 | out_sleep: | |
204 | wl1271_ps_elp_sleep(wl); | |
205 | out: | |
206 | mutex_unlock(&wl->mutex); | |
207 | } | |
208 | ||
209 | static void wl1271_rx_streaming_timer(unsigned long data) | |
210 | { | |
9eb599e9 EP |
211 | struct wl12xx_vif *wlvif = (struct wl12xx_vif *)data; |
212 | struct wl1271 *wl = wlvif->wl; | |
213 | ieee80211_queue_work(wl->hw, &wlvif->rx_streaming_disable_work); | |
77ddaa10 EP |
214 | } |
215 | ||
55df5afb AN |
216 | /* wl->mutex must be taken */ |
217 | void wl12xx_rearm_tx_watchdog_locked(struct wl1271 *wl) | |
218 | { | |
219 | /* if the watchdog is not armed, don't do anything */ | |
220 | if (wl->tx_allocated_blocks == 0) | |
221 | return; | |
222 | ||
223 | cancel_delayed_work(&wl->tx_watchdog_work); | |
224 | ieee80211_queue_delayed_work(wl->hw, &wl->tx_watchdog_work, | |
225 | msecs_to_jiffies(wl->conf.tx.tx_watchdog_timeout)); | |
226 | } | |
227 | ||
228 | static void wl12xx_tx_watchdog_work(struct work_struct *work) | |
229 | { | |
230 | struct delayed_work *dwork; | |
231 | struct wl1271 *wl; | |
232 | ||
233 | dwork = container_of(work, struct delayed_work, work); | |
234 | wl = container_of(dwork, struct wl1271, tx_watchdog_work); | |
235 | ||
236 | mutex_lock(&wl->mutex); | |
237 | ||
4cc53383 | 238 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
55df5afb AN |
239 | goto out; |
240 | ||
241 | /* Tx went out in the meantime - everything is ok */ | |
242 | if (unlikely(wl->tx_allocated_blocks == 0)) | |
243 | goto out; | |
244 | ||
245 | /* | |
246 | * if a ROC is in progress, we might not have any Tx for a long | |
247 | * time (e.g. pending Tx on the non-ROC channels) | |
248 | */ | |
249 | if (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) < WL12XX_MAX_ROLES) { | |
250 | wl1271_debug(DEBUG_TX, "No Tx (in FW) for %d ms due to ROC", | |
251 | wl->conf.tx.tx_watchdog_timeout); | |
252 | wl12xx_rearm_tx_watchdog_locked(wl); | |
253 | goto out; | |
254 | } | |
255 | ||
256 | /* | |
257 | * if a scan is in progress, we might not have any Tx for a long | |
258 | * time | |
259 | */ | |
260 | if (wl->scan.state != WL1271_SCAN_STATE_IDLE) { | |
261 | wl1271_debug(DEBUG_TX, "No Tx (in FW) for %d ms due to scan", | |
262 | wl->conf.tx.tx_watchdog_timeout); | |
263 | wl12xx_rearm_tx_watchdog_locked(wl); | |
264 | goto out; | |
265 | } | |
266 | ||
267 | /* | |
268 | * AP might cache a frame for a long time for a sleeping station, | |
269 | * so rearm the timer if there's an AP interface with stations. If | |
270 | * Tx is genuinely stuck we will most hopefully discover it when all | |
271 | * stations are removed due to inactivity. | |
272 | */ | |
273 | if (wl->active_sta_count) { | |
274 | wl1271_debug(DEBUG_TX, "No Tx (in FW) for %d ms. AP has " | |
275 | " %d stations", | |
276 | wl->conf.tx.tx_watchdog_timeout, | |
277 | wl->active_sta_count); | |
278 | wl12xx_rearm_tx_watchdog_locked(wl); | |
279 | goto out; | |
280 | } | |
281 | ||
282 | wl1271_error("Tx stuck (in FW) for %d ms. Starting recovery", | |
283 | wl->conf.tx.tx_watchdog_timeout); | |
284 | wl12xx_queue_recovery_work(wl); | |
285 | ||
286 | out: | |
287 | mutex_unlock(&wl->mutex); | |
288 | } | |
289 | ||
e87288f0 | 290 | static void wlcore_adjust_conf(struct wl1271 *wl) |
8a08048a | 291 | { |
95dac04f | 292 | /* Adjust settings according to optional module parameters */ |
7230341f | 293 | |
93ac8488 IR |
294 | /* Firmware Logger params */ |
295 | if (fwlog_mem_blocks != -1) { | |
296 | if (fwlog_mem_blocks >= CONF_FWLOG_MIN_MEM_BLOCKS && | |
297 | fwlog_mem_blocks <= CONF_FWLOG_MAX_MEM_BLOCKS) { | |
298 | wl->conf.fwlog.mem_blocks = fwlog_mem_blocks; | |
299 | } else { | |
300 | wl1271_error( | |
301 | "Illegal fwlog_mem_blocks=%d using default %d", | |
302 | fwlog_mem_blocks, wl->conf.fwlog.mem_blocks); | |
303 | } | |
304 | } | |
305 | ||
95dac04f IY |
306 | if (fwlog_param) { |
307 | if (!strcmp(fwlog_param, "continuous")) { | |
308 | wl->conf.fwlog.mode = WL12XX_FWLOG_CONTINUOUS; | |
309 | } else if (!strcmp(fwlog_param, "ondemand")) { | |
310 | wl->conf.fwlog.mode = WL12XX_FWLOG_ON_DEMAND; | |
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 | |
b622d992 AN |
335 | fw_ps = test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); |
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 AN |
361 | { |
362 | u32 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, | |
368 | "link ps prev 0x%x cur 0x%x changed 0x%x", | |
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; |
ac5e1e39 | 383 | struct timespec ts; |
13b107dd | 384 | u32 old_tx_blk_count = wl->tx_blocks_available; |
4d56ad9c | 385 | int avail, freed_blocks; |
bf54e301 | 386 | int i; |
8b7c0fc3 | 387 | int ret; |
9ebcb232 | 388 | struct wl1271_link *lnk; |
6bac40a6 | 389 | |
75fb4df7 EP |
390 | ret = wlcore_raw_read_data(wl, REG_RAW_FW_STATUS_ADDR, |
391 | wl->raw_fw_status, | |
392 | wl->fw_status_len, false); | |
8b7c0fc3 IY |
393 | if (ret < 0) |
394 | return ret; | |
13b107dd | 395 | |
75fb4df7 EP |
396 | wlcore_hw_convert_fw_status(wl, wl->raw_fw_status, wl->fw_status); |
397 | ||
f5fc0f86 LC |
398 | wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, " |
399 | "drv_rx_counter = %d, tx_results_counter = %d)", | |
75fb4df7 EP |
400 | status->intr, |
401 | status->fw_rx_counter, | |
402 | status->drv_rx_counter, | |
403 | status->tx_results_counter); | |
f5fc0f86 | 404 | |
bf54e301 AN |
405 | for (i = 0; i < NUM_TX_QUEUES; i++) { |
406 | /* prevent wrap-around in freed-packets counter */ | |
742246f8 | 407 | wl->tx_allocated_pkts[i] -= |
75fb4df7 | 408 | (status->counters.tx_released_pkts[i] - |
bf54e301 AN |
409 | wl->tx_pkts_freed[i]) & 0xff; |
410 | ||
75fb4df7 | 411 | wl->tx_pkts_freed[i] = status->counters.tx_released_pkts[i]; |
bf54e301 AN |
412 | } |
413 | ||
9ebcb232 | 414 | |
da08fdfa | 415 | for_each_set_bit(i, wl->links_map, wl->num_links) { |
93d5d100 | 416 | u8 diff; |
9ebcb232 | 417 | lnk = &wl->links[i]; |
93d5d100 | 418 | |
9ebcb232 | 419 | /* prevent wrap-around in freed-packets counter */ |
75fb4df7 | 420 | diff = (status->counters.tx_lnk_free_pkts[i] - |
93d5d100 AN |
421 | lnk->prev_freed_pkts) & 0xff; |
422 | ||
423 | if (diff == 0) | |
424 | continue; | |
9ebcb232 | 425 | |
93d5d100 | 426 | lnk->allocated_pkts -= diff; |
75fb4df7 | 427 | lnk->prev_freed_pkts = status->counters.tx_lnk_free_pkts[i]; |
93d5d100 AN |
428 | |
429 | /* accumulate the prev_freed_pkts counter */ | |
430 | lnk->total_freed_pkts += diff; | |
9ebcb232 AN |
431 | } |
432 | ||
bdf91cfa | 433 | /* prevent wrap-around in total blocks counter */ |
75fb4df7 EP |
434 | if (likely(wl->tx_blocks_freed <= status->total_released_blks)) |
435 | freed_blocks = status->total_released_blks - | |
bdf91cfa AN |
436 | wl->tx_blocks_freed; |
437 | else | |
438 | freed_blocks = 0x100000000LL - wl->tx_blocks_freed + | |
75fb4df7 | 439 | status->total_released_blks; |
bdf91cfa | 440 | |
75fb4df7 | 441 | wl->tx_blocks_freed = status->total_released_blks; |
13b107dd | 442 | |
7bb5d6ce AN |
443 | wl->tx_allocated_blocks -= freed_blocks; |
444 | ||
55df5afb AN |
445 | /* |
446 | * If the FW freed some blocks: | |
447 | * If we still have allocated blocks - re-arm the timer, Tx is | |
448 | * not stuck. Otherwise, cancel the timer (no Tx currently). | |
449 | */ | |
450 | if (freed_blocks) { | |
451 | if (wl->tx_allocated_blocks) | |
452 | wl12xx_rearm_tx_watchdog_locked(wl); | |
453 | else | |
454 | cancel_delayed_work(&wl->tx_watchdog_work); | |
455 | } | |
456 | ||
75fb4df7 | 457 | avail = status->tx_total - wl->tx_allocated_blocks; |
13b107dd | 458 | |
4d56ad9c EP |
459 | /* |
460 | * The FW might change the total number of TX memblocks before | |
461 | * we get a notification about blocks being released. Thus, the | |
462 | * available blocks calculation might yield a temporary result | |
463 | * which is lower than the actual available blocks. Keeping in | |
464 | * mind that only blocks that were allocated can be moved from | |
465 | * TX to RX, tx_blocks_available should never decrease here. | |
466 | */ | |
467 | wl->tx_blocks_available = max((int)wl->tx_blocks_available, | |
468 | avail); | |
f5fc0f86 | 469 | |
a522550a | 470 | /* if more blocks are available now, tx work can be scheduled */ |
13b107dd | 471 | if (wl->tx_blocks_available > old_tx_blk_count) |
a522550a | 472 | clear_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags); |
f5fc0f86 | 473 | |
4d56ad9c | 474 | /* for AP update num of allocated TX blocks per link and ps status */ |
6e8cd331 | 475 | wl12xx_for_each_wlvif_ap(wl, wlvif) { |
75fb4df7 | 476 | wl12xx_irq_update_links_status(wl, wlvif, status); |
6e8cd331 | 477 | } |
4d56ad9c | 478 | |
f5fc0f86 | 479 | /* update the host-chipset time offset */ |
ac5e1e39 JO |
480 | getnstimeofday(&ts); |
481 | wl->time_offset = (timespec_to_ns(&ts) >> 10) - | |
75fb4df7 | 482 | (s64)(status->fw_localtime); |
8b7c0fc3 | 483 | |
75fb4df7 | 484 | wl->fw_fast_lnk_map = status->link_fast_bitmap; |
0e810479 | 485 | |
8b7c0fc3 | 486 | return 0; |
f5fc0f86 LC |
487 | } |
488 | ||
a620865e IY |
489 | static void wl1271_flush_deferred_work(struct wl1271 *wl) |
490 | { | |
491 | struct sk_buff *skb; | |
492 | ||
493 | /* Pass all received frames to the network stack */ | |
494 | while ((skb = skb_dequeue(&wl->deferred_rx_queue))) | |
495 | ieee80211_rx_ni(wl->hw, skb); | |
496 | ||
497 | /* Return sent skbs to the network stack */ | |
498 | while ((skb = skb_dequeue(&wl->deferred_tx_queue))) | |
c27d3acc | 499 | ieee80211_tx_status_ni(wl->hw, skb); |
a620865e IY |
500 | } |
501 | ||
502 | static void wl1271_netstack_work(struct work_struct *work) | |
503 | { | |
504 | struct wl1271 *wl = | |
505 | container_of(work, struct wl1271, netstack_work); | |
506 | ||
507 | do { | |
508 | wl1271_flush_deferred_work(wl); | |
509 | } while (skb_queue_len(&wl->deferred_rx_queue)); | |
510 | } | |
1e73eb62 | 511 | |
a620865e IY |
512 | #define WL1271_IRQ_MAX_LOOPS 256 |
513 | ||
b5b45b3c | 514 | static int wlcore_irq_locked(struct wl1271 *wl) |
f5fc0f86 | 515 | { |
b5b45b3c | 516 | int ret = 0; |
c15f63bf | 517 | u32 intr; |
1e73eb62 | 518 | int loopcount = WL1271_IRQ_MAX_LOOPS; |
a620865e IY |
519 | bool done = false; |
520 | unsigned int defer_count; | |
b07d4037 IY |
521 | unsigned long flags; |
522 | ||
341b7cde IY |
523 | /* |
524 | * In case edge triggered interrupt must be used, we cannot iterate | |
525 | * more than once without introducing race conditions with the hardirq. | |
526 | */ | |
527 | if (wl->platform_quirks & WL12XX_PLATFORM_QUIRK_EDGE_IRQ) | |
528 | loopcount = 1; | |
529 | ||
f5fc0f86 LC |
530 | wl1271_debug(DEBUG_IRQ, "IRQ work"); |
531 | ||
4cc53383 | 532 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
f5fc0f86 LC |
533 | goto out; |
534 | ||
a620865e | 535 | ret = wl1271_ps_elp_wakeup(wl); |
f5fc0f86 LC |
536 | if (ret < 0) |
537 | goto out; | |
538 | ||
a620865e IY |
539 | while (!done && loopcount--) { |
540 | /* | |
541 | * In order to avoid a race with the hardirq, clear the flag | |
542 | * before acknowledging the chip. Since the mutex is held, | |
543 | * wl1271_ps_elp_wakeup cannot be called concurrently. | |
544 | */ | |
545 | clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); | |
546 | smp_mb__after_clear_bit(); | |
1e73eb62 | 547 | |
75fb4df7 | 548 | ret = wlcore_fw_status(wl, wl->fw_status); |
b5b45b3c | 549 | if (ret < 0) |
8b7c0fc3 | 550 | goto out; |
53d67a50 AN |
551 | |
552 | wlcore_hw_tx_immediate_compl(wl); | |
553 | ||
75fb4df7 | 554 | intr = wl->fw_status->intr; |
f5755fe9 | 555 | intr &= WLCORE_ALL_INTR_MASK; |
1e73eb62 | 556 | if (!intr) { |
a620865e | 557 | done = true; |
1e73eb62 JO |
558 | continue; |
559 | } | |
f5fc0f86 | 560 | |
ccc83b04 | 561 | if (unlikely(intr & WL1271_ACX_INTR_WATCHDOG)) { |
f5755fe9 IR |
562 | wl1271_error("HW watchdog interrupt received! starting recovery."); |
563 | wl->watchdog_recovery = true; | |
b5b45b3c | 564 | ret = -EIO; |
f5755fe9 IR |
565 | |
566 | /* restarting the chip. ignore any other interrupt. */ | |
567 | goto out; | |
568 | } | |
569 | ||
570 | if (unlikely(intr & WL1271_ACX_SW_INTR_WATCHDOG)) { | |
571 | wl1271_error("SW watchdog interrupt received! " | |
ccc83b04 | 572 | "starting recovery."); |
afbe3718 | 573 | wl->watchdog_recovery = true; |
b5b45b3c | 574 | ret = -EIO; |
ccc83b04 EP |
575 | |
576 | /* restarting the chip. ignore any other interrupt. */ | |
577 | goto out; | |
578 | } | |
579 | ||
a620865e | 580 | if (likely(intr & WL1271_ACX_INTR_DATA)) { |
1e73eb62 | 581 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA"); |
1fd2794f | 582 | |
75fb4df7 | 583 | ret = wlcore_rx(wl, wl->fw_status); |
b5b45b3c | 584 | if (ret < 0) |
045b9b5f | 585 | goto out; |
f5fc0f86 | 586 | |
a522550a | 587 | /* Check if any tx blocks were freed */ |
b07d4037 | 588 | spin_lock_irqsave(&wl->wl_lock, flags); |
a522550a | 589 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
f1a46384 | 590 | wl1271_tx_total_queue_count(wl) > 0) { |
b07d4037 | 591 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
a522550a IY |
592 | /* |
593 | * In order to avoid starvation of the TX path, | |
594 | * call the work function directly. | |
595 | */ | |
eb96f841 | 596 | ret = wlcore_tx_work_locked(wl); |
b5b45b3c | 597 | if (ret < 0) |
eb96f841 | 598 | goto out; |
b07d4037 IY |
599 | } else { |
600 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
a522550a IY |
601 | } |
602 | ||
8aad2464 | 603 | /* check for tx results */ |
045b9b5f | 604 | ret = wlcore_hw_tx_delayed_compl(wl); |
b5b45b3c | 605 | if (ret < 0) |
045b9b5f | 606 | goto out; |
a620865e IY |
607 | |
608 | /* Make sure the deferred queues don't get too long */ | |
609 | defer_count = skb_queue_len(&wl->deferred_tx_queue) + | |
610 | skb_queue_len(&wl->deferred_rx_queue); | |
611 | if (defer_count > WL1271_DEFERRED_QUEUE_LIMIT) | |
612 | wl1271_flush_deferred_work(wl); | |
1e73eb62 | 613 | } |
f5fc0f86 | 614 | |
1e73eb62 JO |
615 | if (intr & WL1271_ACX_INTR_EVENT_A) { |
616 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A"); | |
045b9b5f | 617 | ret = wl1271_event_handle(wl, 0); |
b5b45b3c | 618 | if (ret < 0) |
045b9b5f | 619 | goto out; |
1e73eb62 | 620 | } |
f5fc0f86 | 621 | |
1e73eb62 JO |
622 | if (intr & WL1271_ACX_INTR_EVENT_B) { |
623 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B"); | |
045b9b5f | 624 | ret = wl1271_event_handle(wl, 1); |
b5b45b3c | 625 | if (ret < 0) |
045b9b5f | 626 | goto out; |
1e73eb62 | 627 | } |
f5fc0f86 | 628 | |
1e73eb62 JO |
629 | if (intr & WL1271_ACX_INTR_INIT_COMPLETE) |
630 | wl1271_debug(DEBUG_IRQ, | |
631 | "WL1271_ACX_INTR_INIT_COMPLETE"); | |
f5fc0f86 | 632 | |
1e73eb62 JO |
633 | if (intr & WL1271_ACX_INTR_HW_AVAILABLE) |
634 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE"); | |
c15f63bf | 635 | } |
f5fc0f86 | 636 | |
f5fc0f86 LC |
637 | wl1271_ps_elp_sleep(wl); |
638 | ||
639 | out: | |
b5b45b3c AN |
640 | return ret; |
641 | } | |
642 | ||
643 | static irqreturn_t wlcore_irq(int irq, void *cookie) | |
644 | { | |
645 | int ret; | |
646 | unsigned long flags; | |
647 | struct wl1271 *wl = cookie; | |
648 | ||
97236a06 LC |
649 | /* complete the ELP completion */ |
650 | spin_lock_irqsave(&wl->wl_lock, flags); | |
651 | set_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); | |
652 | if (wl->elp_compl) { | |
653 | complete(wl->elp_compl); | |
654 | wl->elp_compl = NULL; | |
655 | } | |
656 | ||
657 | if (test_bit(WL1271_FLAG_SUSPENDED, &wl->flags)) { | |
658 | /* don't enqueue a work right now. mark it as pending */ | |
659 | set_bit(WL1271_FLAG_PENDING_WORK, &wl->flags); | |
660 | wl1271_debug(DEBUG_IRQ, "should not enqueue work"); | |
661 | disable_irq_nosync(wl->irq); | |
662 | pm_wakeup_event(wl->dev, 0); | |
663 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
664 | return IRQ_HANDLED; | |
665 | } | |
666 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
667 | ||
b5b45b3c AN |
668 | /* TX might be handled here, avoid redundant work */ |
669 | set_bit(WL1271_FLAG_TX_PENDING, &wl->flags); | |
670 | cancel_work_sync(&wl->tx_work); | |
671 | ||
672 | mutex_lock(&wl->mutex); | |
673 | ||
674 | ret = wlcore_irq_locked(wl); | |
675 | if (ret) | |
676 | wl12xx_queue_recovery_work(wl); | |
677 | ||
b07d4037 IY |
678 | spin_lock_irqsave(&wl->wl_lock, flags); |
679 | /* In case TX was not handled here, queue TX work */ | |
680 | clear_bit(WL1271_FLAG_TX_PENDING, &wl->flags); | |
681 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && | |
f1a46384 | 682 | wl1271_tx_total_queue_count(wl) > 0) |
b07d4037 IY |
683 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
684 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
685 | ||
f5fc0f86 | 686 | mutex_unlock(&wl->mutex); |
a620865e IY |
687 | |
688 | return IRQ_HANDLED; | |
f5fc0f86 LC |
689 | } |
690 | ||
4549d09c EP |
691 | struct vif_counter_data { |
692 | u8 counter; | |
693 | ||
694 | struct ieee80211_vif *cur_vif; | |
695 | bool cur_vif_running; | |
696 | }; | |
697 | ||
698 | static void wl12xx_vif_count_iter(void *data, u8 *mac, | |
699 | struct ieee80211_vif *vif) | |
700 | { | |
701 | struct vif_counter_data *counter = data; | |
702 | ||
703 | counter->counter++; | |
704 | if (counter->cur_vif == vif) | |
705 | counter->cur_vif_running = true; | |
706 | } | |
707 | ||
708 | /* caller must not hold wl->mutex, as it might deadlock */ | |
709 | static void wl12xx_get_vif_count(struct ieee80211_hw *hw, | |
710 | struct ieee80211_vif *cur_vif, | |
711 | struct vif_counter_data *data) | |
712 | { | |
713 | memset(data, 0, sizeof(*data)); | |
714 | data->cur_vif = cur_vif; | |
715 | ||
8b2c9824 | 716 | ieee80211_iterate_active_interfaces(hw, IEEE80211_IFACE_ITER_RESUME_ALL, |
4549d09c EP |
717 | wl12xx_vif_count_iter, data); |
718 | } | |
719 | ||
3fcdab70 | 720 | static int wl12xx_fetch_firmware(struct wl1271 *wl, bool plt) |
f5fc0f86 LC |
721 | { |
722 | const struct firmware *fw; | |
166d504e | 723 | const char *fw_name; |
3fcdab70 | 724 | enum wl12xx_fw_type fw_type; |
f5fc0f86 LC |
725 | int ret; |
726 | ||
3fcdab70 EP |
727 | if (plt) { |
728 | fw_type = WL12XX_FW_TYPE_PLT; | |
6f7dd16c | 729 | fw_name = wl->plt_fw_name; |
3fcdab70 | 730 | } else { |
4549d09c EP |
731 | /* |
732 | * we can't call wl12xx_get_vif_count() here because | |
733 | * wl->mutex is taken, so use the cached last_vif_count value | |
734 | */ | |
9b1a0a77 | 735 | if (wl->last_vif_count > 1 && wl->mr_fw_name) { |
4549d09c | 736 | fw_type = WL12XX_FW_TYPE_MULTI; |
6f7dd16c | 737 | fw_name = wl->mr_fw_name; |
4549d09c EP |
738 | } else { |
739 | fw_type = WL12XX_FW_TYPE_NORMAL; | |
6f7dd16c | 740 | fw_name = wl->sr_fw_name; |
4549d09c | 741 | } |
3fcdab70 EP |
742 | } |
743 | ||
744 | if (wl->fw_type == fw_type) | |
745 | return 0; | |
166d504e AN |
746 | |
747 | wl1271_debug(DEBUG_BOOT, "booting firmware %s", fw_name); | |
748 | ||
a390e85c | 749 | ret = request_firmware(&fw, fw_name, wl->dev); |
f5fc0f86 LC |
750 | |
751 | if (ret < 0) { | |
35898935 | 752 | wl1271_error("could not get firmware %s: %d", fw_name, ret); |
f5fc0f86 LC |
753 | return ret; |
754 | } | |
755 | ||
756 | if (fw->size % 4) { | |
757 | wl1271_error("firmware size is not multiple of 32 bits: %zu", | |
758 | fw->size); | |
759 | ret = -EILSEQ; | |
760 | goto out; | |
761 | } | |
762 | ||
166d504e | 763 | vfree(wl->fw); |
3fcdab70 | 764 | wl->fw_type = WL12XX_FW_TYPE_NONE; |
f5fc0f86 | 765 | wl->fw_len = fw->size; |
1fba4974 | 766 | wl->fw = vmalloc(wl->fw_len); |
f5fc0f86 LC |
767 | |
768 | if (!wl->fw) { | |
769 | wl1271_error("could not allocate memory for the firmware"); | |
770 | ret = -ENOMEM; | |
771 | goto out; | |
772 | } | |
773 | ||
774 | memcpy(wl->fw, fw->data, wl->fw_len); | |
f5fc0f86 | 775 | ret = 0; |
3fcdab70 | 776 | wl->fw_type = fw_type; |
f5fc0f86 LC |
777 | out: |
778 | release_firmware(fw); | |
779 | ||
780 | return ret; | |
781 | } | |
782 | ||
baacb9ae IY |
783 | void wl12xx_queue_recovery_work(struct wl1271 *wl) |
784 | { | |
b666bb7f | 785 | /* Avoid a recursive recovery */ |
792a58a8 | 786 | if (wl->state == WLCORE_STATE_ON) { |
1ede9500 AN |
787 | WARN_ON(!test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, |
788 | &wl->flags)); | |
789 | ||
4cc53383 | 790 | wl->state = WLCORE_STATE_RESTARTING; |
792a58a8 | 791 | set_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); |
2473ec8f | 792 | wl1271_ps_elp_wakeup(wl); |
b666bb7f | 793 | wlcore_disable_interrupts_nosync(wl); |
baacb9ae | 794 | ieee80211_queue_work(wl->hw, &wl->recovery_work); |
b666bb7f | 795 | } |
baacb9ae IY |
796 | } |
797 | ||
95dac04f IY |
798 | size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen) |
799 | { | |
c83cb803 | 800 | size_t len; |
95dac04f IY |
801 | |
802 | /* Make sure we have enough room */ | |
c83cb803 | 803 | len = min(maxlen, (size_t)(PAGE_SIZE - wl->fwlog_size)); |
95dac04f IY |
804 | |
805 | /* Fill the FW log file, consumed by the sysfs fwlog entry */ | |
806 | memcpy(wl->fwlog + wl->fwlog_size, memblock, len); | |
807 | wl->fwlog_size += len; | |
808 | ||
809 | return len; | |
810 | } | |
811 | ||
812 | static void wl12xx_read_fwlog_panic(struct wl1271 *wl) | |
813 | { | |
c83cb803 | 814 | struct wlcore_partition_set part, old_part; |
95dac04f | 815 | u32 addr; |
1e41213f IC |
816 | u32 offset; |
817 | u32 end_of_log; | |
95dac04f | 818 | u8 *block; |
8b7c0fc3 | 819 | int ret; |
95dac04f | 820 | |
6f7dd16c | 821 | if ((wl->quirks & WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED) || |
95dac04f IY |
822 | (wl->conf.fwlog.mem_blocks == 0)) |
823 | return; | |
824 | ||
825 | wl1271_info("Reading FW panic log"); | |
826 | ||
c83cb803 | 827 | block = kmalloc(wl->fw_mem_block_size, GFP_KERNEL); |
95dac04f IY |
828 | if (!block) |
829 | return; | |
830 | ||
831 | /* | |
832 | * Make sure the chip is awake and the logger isn't active. | |
847cbebd EP |
833 | * Do not send a stop fwlog command if the fw is hanged or if |
834 | * dbgpins are used (due to some fw bug). | |
95dac04f | 835 | */ |
1e41213f | 836 | if (wl1271_ps_elp_wakeup(wl)) |
afbe3718 | 837 | goto out; |
847cbebd EP |
838 | if (!wl->watchdog_recovery && |
839 | wl->conf.fwlog.output != WL12XX_FWLOG_OUTPUT_DBG_PINS) | |
1e41213f | 840 | wl12xx_cmd_stop_fwlog(wl); |
95dac04f IY |
841 | |
842 | /* Read the first memory block address */ | |
75fb4df7 | 843 | ret = wlcore_fw_status(wl, wl->fw_status); |
8b7c0fc3 | 844 | if (ret < 0) |
95dac04f IY |
845 | goto out; |
846 | ||
75fb4df7 | 847 | addr = wl->fw_status->log_start_addr; |
1e41213f | 848 | if (!addr) |
95dac04f IY |
849 | goto out; |
850 | ||
1e41213f IC |
851 | if (wl->conf.fwlog.mode == WL12XX_FWLOG_CONTINUOUS) { |
852 | offset = sizeof(addr) + sizeof(struct wl1271_rx_descriptor); | |
c83cb803 | 853 | end_of_log = wl->fwlog_end; |
1e41213f IC |
854 | } else { |
855 | offset = sizeof(addr); | |
856 | end_of_log = addr; | |
857 | } | |
858 | ||
c83cb803 IC |
859 | old_part = wl->curr_part; |
860 | memset(&part, 0, sizeof(part)); | |
861 | ||
95dac04f | 862 | /* Traverse the memory blocks linked list */ |
95dac04f | 863 | do { |
c83cb803 IC |
864 | part.mem.start = wlcore_hw_convert_hwaddr(wl, addr); |
865 | part.mem.size = PAGE_SIZE; | |
866 | ||
867 | ret = wlcore_set_partition(wl, &part); | |
868 | if (ret < 0) { | |
869 | wl1271_error("%s: set_partition start=0x%X size=%d", | |
870 | __func__, part.mem.start, part.mem.size); | |
871 | goto out; | |
872 | } | |
873 | ||
874 | memset(block, 0, wl->fw_mem_block_size); | |
875 | ret = wlcore_read_hwaddr(wl, addr, block, | |
876 | wl->fw_mem_block_size, false); | |
877 | ||
2b800407 IY |
878 | if (ret < 0) |
879 | goto out; | |
95dac04f IY |
880 | |
881 | /* | |
882 | * Memory blocks are linked to one another. The first 4 bytes | |
883 | * of each memory block hold the hardware address of the next | |
1e41213f IC |
884 | * one. The last memory block points to the first one in |
885 | * on demand mode and is equal to 0x2000000 in continuous mode. | |
95dac04f | 886 | */ |
4d56ad9c | 887 | addr = le32_to_cpup((__le32 *)block); |
c83cb803 | 888 | |
1e41213f | 889 | if (!wl12xx_copy_fwlog(wl, block + offset, |
c83cb803 | 890 | wl->fw_mem_block_size - offset)) |
95dac04f | 891 | break; |
1e41213f | 892 | } while (addr && (addr != end_of_log)); |
95dac04f IY |
893 | |
894 | wake_up_interruptible(&wl->fwlog_waitq); | |
895 | ||
896 | out: | |
897 | kfree(block); | |
c83cb803 | 898 | wlcore_set_partition(wl, &old_part); |
95dac04f IY |
899 | } |
900 | ||
6134323f IY |
901 | static void wlcore_print_recovery(struct wl1271 *wl) |
902 | { | |
903 | u32 pc = 0; | |
904 | u32 hint_sts = 0; | |
905 | int ret; | |
906 | ||
907 | wl1271_info("Hardware recovery in progress. FW ver: %s", | |
908 | wl->chip.fw_ver_str); | |
909 | ||
910 | /* change partitions momentarily so we can read the FW pc */ | |
b0f0ad39 IY |
911 | ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]); |
912 | if (ret < 0) | |
913 | return; | |
6134323f IY |
914 | |
915 | ret = wlcore_read_reg(wl, REG_PC_ON_RECOVERY, &pc); | |
916 | if (ret < 0) | |
917 | return; | |
918 | ||
919 | ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &hint_sts); | |
920 | if (ret < 0) | |
921 | return; | |
922 | ||
c108c905 LC |
923 | wl1271_info("pc: 0x%x, hint_sts: 0x%08x count: %d", |
924 | pc, hint_sts, ++wl->recovery_count); | |
6134323f IY |
925 | |
926 | wlcore_set_partition(wl, &wl->ptable[PART_WORK]); | |
927 | } | |
928 | ||
929 | ||
52b0e7a6 JO |
930 | static void wl1271_recovery_work(struct work_struct *work) |
931 | { | |
932 | struct wl1271 *wl = | |
933 | container_of(work, struct wl1271, recovery_work); | |
48e93e40 | 934 | struct wl12xx_vif *wlvif; |
6e8cd331 | 935 | struct ieee80211_vif *vif; |
52b0e7a6 JO |
936 | |
937 | mutex_lock(&wl->mutex); | |
938 | ||
4cc53383 | 939 | if (wl->state == WLCORE_STATE_OFF || wl->plt) |
f0277434 | 940 | goto out_unlock; |
52b0e7a6 | 941 | |
aafec111 | 942 | if (!test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags)) { |
5cc14c04 BB |
943 | if (wl->conf.fwlog.output == WL12XX_FWLOG_OUTPUT_HOST) |
944 | wl12xx_read_fwlog_panic(wl); | |
aafec111 AN |
945 | wlcore_print_recovery(wl); |
946 | } | |
52b0e7a6 | 947 | |
7230341f | 948 | BUG_ON(wl->conf.recovery.bug_on_recovery && |
e9ba7152 | 949 | !test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags)); |
2a5bff09 | 950 | |
7230341f | 951 | if (wl->conf.recovery.no_recovery) { |
34785be5 | 952 | wl1271_info("No recovery (chosen on module load). Fw will remain stuck."); |
34785be5 AN |
953 | goto out_unlock; |
954 | } | |
955 | ||
7dece1c8 | 956 | /* Prevent spurious TX during FW restart */ |
66396114 | 957 | wlcore_stop_queues(wl, WLCORE_QUEUE_STOP_REASON_FW_RESTART); |
7dece1c8 | 958 | |
52b0e7a6 | 959 | /* reboot the chipset */ |
6e8cd331 EP |
960 | while (!list_empty(&wl->wlvif_list)) { |
961 | wlvif = list_first_entry(&wl->wlvif_list, | |
962 | struct wl12xx_vif, list); | |
963 | vif = wl12xx_wlvif_to_vif(wlvif); | |
964 | __wl1271_op_remove_interface(wl, vif, false); | |
965 | } | |
c24ec83b IY |
966 | |
967 | wlcore_op_stop_locked(wl); | |
baacb9ae | 968 | |
52b0e7a6 JO |
969 | ieee80211_restart_hw(wl->hw); |
970 | ||
7dece1c8 AN |
971 | /* |
972 | * Its safe to enable TX now - the queues are stopped after a request | |
973 | * to restart the HW. | |
974 | */ | |
66396114 | 975 | wlcore_wake_queues(wl, WLCORE_QUEUE_STOP_REASON_FW_RESTART); |
c24ec83b | 976 | |
f0277434 | 977 | out_unlock: |
b034fd6f AN |
978 | wl->watchdog_recovery = false; |
979 | clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); | |
52b0e7a6 JO |
980 | mutex_unlock(&wl->mutex); |
981 | } | |
982 | ||
b0f0ad39 | 983 | static int wlcore_fw_wakeup(struct wl1271 *wl) |
f5fc0f86 | 984 | { |
b0f0ad39 | 985 | return wlcore_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG, ELPCTRL_WAKE_UP); |
f5fc0f86 LC |
986 | } |
987 | ||
988 | static int wl1271_setup(struct wl1271 *wl) | |
989 | { | |
75fb4df7 EP |
990 | wl->raw_fw_status = kzalloc(wl->fw_status_len, GFP_KERNEL); |
991 | if (!wl->raw_fw_status) | |
992 | goto err; | |
f5fc0f86 | 993 | |
75fb4df7 EP |
994 | wl->fw_status = kzalloc(sizeof(*wl->fw_status), GFP_KERNEL); |
995 | if (!wl->fw_status) | |
996 | goto err; | |
0afd04e5 | 997 | |
5cbba2d4 | 998 | wl->tx_res_if = kzalloc(sizeof(*wl->tx_res_if), GFP_KERNEL); |
75fb4df7 EP |
999 | if (!wl->tx_res_if) |
1000 | goto err; | |
f5fc0f86 | 1001 | |
f5fc0f86 | 1002 | return 0; |
75fb4df7 EP |
1003 | err: |
1004 | kfree(wl->fw_status); | |
1005 | kfree(wl->raw_fw_status); | |
1006 | return -ENOMEM; | |
f5fc0f86 LC |
1007 | } |
1008 | ||
30c5dbd1 | 1009 | static int wl12xx_set_power_on(struct wl1271 *wl) |
f5fc0f86 | 1010 | { |
30c5dbd1 | 1011 | int ret; |
f5fc0f86 | 1012 | |
01ac17ec | 1013 | msleep(WL1271_PRE_POWER_ON_SLEEP); |
2cc78ff7 OBC |
1014 | ret = wl1271_power_on(wl); |
1015 | if (ret < 0) | |
1016 | goto out; | |
f5fc0f86 | 1017 | msleep(WL1271_POWER_ON_SLEEP); |
9b280722 TP |
1018 | wl1271_io_reset(wl); |
1019 | wl1271_io_init(wl); | |
f5fc0f86 | 1020 | |
b0f0ad39 IY |
1021 | ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]); |
1022 | if (ret < 0) | |
1023 | goto fail; | |
f5fc0f86 LC |
1024 | |
1025 | /* ELP module wake up */ | |
b0f0ad39 IY |
1026 | ret = wlcore_fw_wakeup(wl); |
1027 | if (ret < 0) | |
1028 | goto fail; | |
f5fc0f86 | 1029 | |
30c5dbd1 LC |
1030 | out: |
1031 | return ret; | |
b0f0ad39 IY |
1032 | |
1033 | fail: | |
1034 | wl1271_power_off(wl); | |
1035 | return ret; | |
30c5dbd1 | 1036 | } |
f5fc0f86 | 1037 | |
3fcdab70 | 1038 | static int wl12xx_chip_wakeup(struct wl1271 *wl, bool plt) |
30c5dbd1 LC |
1039 | { |
1040 | int ret = 0; | |
1041 | ||
1042 | ret = wl12xx_set_power_on(wl); | |
1043 | if (ret < 0) | |
1044 | goto out; | |
f5fc0f86 | 1045 | |
e62c9ce4 LC |
1046 | /* |
1047 | * For wl127x based devices we could use the default block | |
1048 | * size (512 bytes), but due to a bug in the sdio driver, we | |
1049 | * need to set it explicitly after the chip is powered on. To | |
1050 | * simplify the code and since the performance impact is | |
1051 | * negligible, we use the same block size for all different | |
1052 | * chip types. | |
b5d6d9b2 LC |
1053 | * |
1054 | * Check if the bus supports blocksize alignment and, if it | |
1055 | * doesn't, make sure we don't have the quirk. | |
e62c9ce4 | 1056 | */ |
b5d6d9b2 LC |
1057 | if (!wl1271_set_block_size(wl)) |
1058 | wl->quirks &= ~WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN; | |
f5fc0f86 | 1059 | |
6f7dd16c | 1060 | /* TODO: make sure the lower driver has set things up correctly */ |
0830ceed | 1061 | |
6f7dd16c LC |
1062 | ret = wl1271_setup(wl); |
1063 | if (ret < 0) | |
9ccd9217 | 1064 | goto out; |
f5fc0f86 | 1065 | |
3fcdab70 EP |
1066 | ret = wl12xx_fetch_firmware(wl, plt); |
1067 | if (ret < 0) | |
1068 | goto out; | |
f5fc0f86 | 1069 | |
f5fc0f86 LC |
1070 | out: |
1071 | return ret; | |
1072 | } | |
1073 | ||
7019c80e | 1074 | int wl1271_plt_start(struct wl1271 *wl, const enum plt_mode plt_mode) |
f5fc0f86 | 1075 | { |
9ccd9217 | 1076 | int retries = WL1271_BOOT_RETRIES; |
6f07b72a | 1077 | struct wiphy *wiphy = wl->hw->wiphy; |
7019c80e YS |
1078 | |
1079 | static const char* const PLT_MODE[] = { | |
1080 | "PLT_OFF", | |
1081 | "PLT_ON", | |
dd491ffb YS |
1082 | "PLT_FEM_DETECT", |
1083 | "PLT_CHIP_AWAKE" | |
7019c80e YS |
1084 | }; |
1085 | ||
f5fc0f86 LC |
1086 | int ret; |
1087 | ||
1088 | mutex_lock(&wl->mutex); | |
1089 | ||
1090 | wl1271_notice("power up"); | |
1091 | ||
4cc53383 | 1092 | if (wl->state != WLCORE_STATE_OFF) { |
f5fc0f86 LC |
1093 | wl1271_error("cannot go into PLT state because not " |
1094 | "in off state: %d", wl->state); | |
1095 | ret = -EBUSY; | |
1096 | goto out; | |
1097 | } | |
1098 | ||
7019c80e YS |
1099 | /* Indicate to lower levels that we are now in PLT mode */ |
1100 | wl->plt = true; | |
1101 | wl->plt_mode = plt_mode; | |
1102 | ||
9ccd9217 JO |
1103 | while (retries) { |
1104 | retries--; | |
3fcdab70 | 1105 | ret = wl12xx_chip_wakeup(wl, true); |
9ccd9217 JO |
1106 | if (ret < 0) |
1107 | goto power_off; | |
f5fc0f86 | 1108 | |
dd491ffb YS |
1109 | if (plt_mode != PLT_CHIP_AWAKE) { |
1110 | ret = wl->ops->plt_init(wl); | |
1111 | if (ret < 0) | |
1112 | goto power_off; | |
1113 | } | |
eb5b28d0 | 1114 | |
4cc53383 | 1115 | wl->state = WLCORE_STATE_ON; |
7019c80e YS |
1116 | wl1271_notice("firmware booted in PLT mode %s (%s)", |
1117 | PLT_MODE[plt_mode], | |
4b7fac77 | 1118 | wl->chip.fw_ver_str); |
e7ddf549 | 1119 | |
6f07b72a GK |
1120 | /* update hw/fw version info in wiphy struct */ |
1121 | wiphy->hw_version = wl->chip.id; | |
1122 | strncpy(wiphy->fw_version, wl->chip.fw_ver_str, | |
1123 | sizeof(wiphy->fw_version)); | |
1124 | ||
9ccd9217 | 1125 | goto out; |
eb5b28d0 | 1126 | |
9ccd9217 JO |
1127 | power_off: |
1128 | wl1271_power_off(wl); | |
1129 | } | |
f5fc0f86 | 1130 | |
7019c80e YS |
1131 | wl->plt = false; |
1132 | wl->plt_mode = PLT_OFF; | |
1133 | ||
9ccd9217 JO |
1134 | wl1271_error("firmware boot in PLT mode failed despite %d retries", |
1135 | WL1271_BOOT_RETRIES); | |
f5fc0f86 LC |
1136 | out: |
1137 | mutex_unlock(&wl->mutex); | |
1138 | ||
1139 | return ret; | |
1140 | } | |
1141 | ||
f3df1331 | 1142 | int wl1271_plt_stop(struct wl1271 *wl) |
f5fc0f86 LC |
1143 | { |
1144 | int ret = 0; | |
1145 | ||
f5fc0f86 LC |
1146 | wl1271_notice("power down"); |
1147 | ||
46b0cc9f IY |
1148 | /* |
1149 | * Interrupts must be disabled before setting the state to OFF. | |
1150 | * Otherwise, the interrupt handler might be called and exit without | |
1151 | * reading the interrupt status. | |
1152 | */ | |
dd5512eb | 1153 | wlcore_disable_interrupts(wl); |
f3df1331 | 1154 | mutex_lock(&wl->mutex); |
3fcdab70 | 1155 | if (!wl->plt) { |
f3df1331 | 1156 | mutex_unlock(&wl->mutex); |
46b0cc9f IY |
1157 | |
1158 | /* | |
1159 | * This will not necessarily enable interrupts as interrupts | |
1160 | * may have been disabled when op_stop was called. It will, | |
1161 | * however, balance the above call to disable_interrupts(). | |
1162 | */ | |
dd5512eb | 1163 | wlcore_enable_interrupts(wl); |
46b0cc9f | 1164 | |
f5fc0f86 LC |
1165 | wl1271_error("cannot power down because not in PLT " |
1166 | "state: %d", wl->state); | |
1167 | ret = -EBUSY; | |
1168 | goto out; | |
1169 | } | |
1170 | ||
f5fc0f86 | 1171 | mutex_unlock(&wl->mutex); |
f3df1331 | 1172 | |
a620865e IY |
1173 | wl1271_flush_deferred_work(wl); |
1174 | cancel_work_sync(&wl->netstack_work); | |
52b0e7a6 | 1175 | cancel_work_sync(&wl->recovery_work); |
f6fbeccd | 1176 | cancel_delayed_work_sync(&wl->elp_work); |
55df5afb | 1177 | cancel_delayed_work_sync(&wl->tx_watchdog_work); |
a454969e IY |
1178 | |
1179 | mutex_lock(&wl->mutex); | |
1180 | wl1271_power_off(wl); | |
f6fbeccd | 1181 | wl->flags = 0; |
2f18cf7c | 1182 | wl->sleep_auth = WL1271_PSM_ILLEGAL; |
4cc53383 | 1183 | wl->state = WLCORE_STATE_OFF; |
3fcdab70 | 1184 | wl->plt = false; |
7019c80e | 1185 | wl->plt_mode = PLT_OFF; |
f6fbeccd | 1186 | wl->rx_counter = 0; |
a454969e IY |
1187 | mutex_unlock(&wl->mutex); |
1188 | ||
4ae3fa87 JO |
1189 | out: |
1190 | return ret; | |
1191 | } | |
1192 | ||
36323f81 TH |
1193 | static void wl1271_op_tx(struct ieee80211_hw *hw, |
1194 | struct ieee80211_tx_control *control, | |
1195 | struct sk_buff *skb) | |
f5fc0f86 LC |
1196 | { |
1197 | struct wl1271 *wl = hw->priv; | |
a8ab39a4 EP |
1198 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
1199 | struct ieee80211_vif *vif = info->control.vif; | |
0f168014 | 1200 | struct wl12xx_vif *wlvif = NULL; |
830fb67b | 1201 | unsigned long flags; |
708bb3cf | 1202 | int q, mapping; |
d6a3cc2e | 1203 | u8 hlid; |
f5fc0f86 | 1204 | |
f4d02007 AN |
1205 | if (!vif) { |
1206 | wl1271_debug(DEBUG_TX, "DROP skb with no vif"); | |
1207 | ieee80211_free_txskb(hw, skb); | |
1208 | return; | |
1209 | } | |
0f168014 | 1210 | |
f4d02007 | 1211 | wlvif = wl12xx_vif_to_data(vif); |
708bb3cf AN |
1212 | mapping = skb_get_queue_mapping(skb); |
1213 | q = wl1271_tx_get_queue(mapping); | |
b07d4037 | 1214 | |
36323f81 | 1215 | hlid = wl12xx_tx_get_hlid(wl, wlvif, skb, control->sta); |
b07d4037 | 1216 | |
830fb67b | 1217 | spin_lock_irqsave(&wl->wl_lock, flags); |
b07d4037 | 1218 | |
66396114 AN |
1219 | /* |
1220 | * drop the packet if the link is invalid or the queue is stopped | |
1221 | * for any reason but watermark. Watermark is a "soft"-stop so we | |
1222 | * allow these packets through. | |
1223 | */ | |
d6a3cc2e | 1224 | if (hlid == WL12XX_INVALID_LINK_ID || |
f4d02007 | 1225 | (!test_bit(hlid, wlvif->links_map)) || |
d6037d22 AN |
1226 | (wlcore_is_queue_stopped_locked(wl, wlvif, q) && |
1227 | !wlcore_is_queue_stopped_by_reason_locked(wl, wlvif, q, | |
66396114 | 1228 | WLCORE_QUEUE_STOP_REASON_WATERMARK))) { |
d6a3cc2e | 1229 | wl1271_debug(DEBUG_TX, "DROP skb hlid %d q %d", hlid, q); |
5de8eef4 | 1230 | ieee80211_free_txskb(hw, skb); |
d6a3cc2e | 1231 | goto out; |
a8c0ddb5 | 1232 | } |
f5fc0f86 | 1233 | |
8ccd16e6 EP |
1234 | wl1271_debug(DEBUG_TX, "queue skb hlid %d q %d len %d", |
1235 | hlid, q, skb->len); | |
d6a3cc2e EP |
1236 | skb_queue_tail(&wl->links[hlid].tx_queue[q], skb); |
1237 | ||
04b4d69c | 1238 | wl->tx_queue_count[q]++; |
f4d02007 | 1239 | wlvif->tx_queue_count[q]++; |
04b4d69c AN |
1240 | |
1241 | /* | |
1242 | * The workqueue is slow to process the tx_queue and we need stop | |
1243 | * the queue here, otherwise the queue will get too long. | |
1244 | */ | |
1c33db78 | 1245 | if (wlvif->tx_queue_count[q] >= WL1271_TX_QUEUE_HIGH_WATERMARK && |
d6037d22 | 1246 | !wlcore_is_queue_stopped_by_reason_locked(wl, wlvif, q, |
8cdc44aa | 1247 | WLCORE_QUEUE_STOP_REASON_WATERMARK)) { |
04b4d69c | 1248 | wl1271_debug(DEBUG_TX, "op_tx: stopping queues for q %d", q); |
1c33db78 | 1249 | wlcore_stop_queue_locked(wl, wlvif, q, |
66396114 | 1250 | WLCORE_QUEUE_STOP_REASON_WATERMARK); |
04b4d69c AN |
1251 | } |
1252 | ||
f5fc0f86 LC |
1253 | /* |
1254 | * The chip specific setup must run before the first TX packet - | |
1255 | * before that, the tx_work will not be initialized! | |
1256 | */ | |
1257 | ||
b07d4037 IY |
1258 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
1259 | !test_bit(WL1271_FLAG_TX_PENDING, &wl->flags)) | |
a522550a | 1260 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
b07d4037 | 1261 | |
04216da3 | 1262 | out: |
b07d4037 | 1263 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
f5fc0f86 LC |
1264 | } |
1265 | ||
ae47c45f SL |
1266 | int wl1271_tx_dummy_packet(struct wl1271 *wl) |
1267 | { | |
990f5de7 | 1268 | unsigned long flags; |
14623787 AN |
1269 | int q; |
1270 | ||
1271 | /* no need to queue a new dummy packet if one is already pending */ | |
1272 | if (test_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags)) | |
1273 | return 0; | |
1274 | ||
1275 | q = wl1271_tx_get_queue(skb_get_queue_mapping(wl->dummy_packet)); | |
990f5de7 IY |
1276 | |
1277 | spin_lock_irqsave(&wl->wl_lock, flags); | |
1278 | set_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags); | |
f1a46384 | 1279 | wl->tx_queue_count[q]++; |
990f5de7 IY |
1280 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
1281 | ||
1282 | /* The FW is low on RX memory blocks, so send the dummy packet asap */ | |
1283 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags)) | |
eb96f841 | 1284 | return wlcore_tx_work_locked(wl); |
990f5de7 IY |
1285 | |
1286 | /* | |
1287 | * If the FW TX is busy, TX work will be scheduled by the threaded | |
1288 | * interrupt handler function | |
1289 | */ | |
1290 | return 0; | |
1291 | } | |
1292 | ||
1293 | /* | |
1294 | * The size of the dummy packet should be at least 1400 bytes. However, in | |
1295 | * order to minimize the number of bus transactions, aligning it to 512 bytes | |
1296 | * boundaries could be beneficial, performance wise | |
1297 | */ | |
1298 | #define TOTAL_TX_DUMMY_PACKET_SIZE (ALIGN(1400, 512)) | |
1299 | ||
cf27d867 | 1300 | static struct sk_buff *wl12xx_alloc_dummy_packet(struct wl1271 *wl) |
990f5de7 IY |
1301 | { |
1302 | struct sk_buff *skb; | |
ae47c45f | 1303 | struct ieee80211_hdr_3addr *hdr; |
990f5de7 IY |
1304 | unsigned int dummy_packet_size; |
1305 | ||
1306 | dummy_packet_size = TOTAL_TX_DUMMY_PACKET_SIZE - | |
1307 | sizeof(struct wl1271_tx_hw_descr) - sizeof(*hdr); | |
ae47c45f | 1308 | |
990f5de7 | 1309 | skb = dev_alloc_skb(TOTAL_TX_DUMMY_PACKET_SIZE); |
ae47c45f | 1310 | if (!skb) { |
990f5de7 IY |
1311 | wl1271_warning("Failed to allocate a dummy packet skb"); |
1312 | return NULL; | |
ae47c45f SL |
1313 | } |
1314 | ||
1315 | skb_reserve(skb, sizeof(struct wl1271_tx_hw_descr)); | |
1316 | ||
1317 | hdr = (struct ieee80211_hdr_3addr *) skb_put(skb, sizeof(*hdr)); | |
1318 | memset(hdr, 0, sizeof(*hdr)); | |
1319 | hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
990f5de7 IY |
1320 | IEEE80211_STYPE_NULLFUNC | |
1321 | IEEE80211_FCTL_TODS); | |
ae47c45f | 1322 | |
990f5de7 | 1323 | memset(skb_put(skb, dummy_packet_size), 0, dummy_packet_size); |
ae47c45f | 1324 | |
18b92ffa LC |
1325 | /* Dummy packets require the TID to be management */ |
1326 | skb->priority = WL1271_TID_MGMT; | |
ae47c45f | 1327 | |
990f5de7 | 1328 | /* Initialize all fields that might be used */ |
86c438f4 | 1329 | skb_set_queue_mapping(skb, 0); |
990f5de7 | 1330 | memset(IEEE80211_SKB_CB(skb), 0, sizeof(struct ieee80211_tx_info)); |
ae47c45f | 1331 | |
990f5de7 | 1332 | return skb; |
ae47c45f SL |
1333 | } |
1334 | ||
990f5de7 | 1335 | |
f634a4e7 | 1336 | #ifdef CONFIG_PM |
22479972 | 1337 | static int |
50ac6607 | 1338 | wl1271_validate_wowlan_pattern(struct cfg80211_pkt_pattern *p) |
b95d7cef ES |
1339 | { |
1340 | int num_fields = 0, in_field = 0, fields_size = 0; | |
1341 | int i, pattern_len = 0; | |
1342 | ||
1343 | if (!p->mask) { | |
1344 | wl1271_warning("No mask in WoWLAN pattern"); | |
1345 | return -EINVAL; | |
1346 | } | |
1347 | ||
1348 | /* | |
1349 | * The pattern is broken up into segments of bytes at different offsets | |
1350 | * that need to be checked by the FW filter. Each segment is called | |
1351 | * a field in the FW API. We verify that the total number of fields | |
1352 | * required for this pattern won't exceed FW limits (8) | |
1353 | * as well as the total fields buffer won't exceed the FW limit. | |
1354 | * Note that if there's a pattern which crosses Ethernet/IP header | |
1355 | * boundary a new field is required. | |
1356 | */ | |
1357 | for (i = 0; i < p->pattern_len; i++) { | |
1358 | if (test_bit(i, (unsigned long *)p->mask)) { | |
1359 | if (!in_field) { | |
1360 | in_field = 1; | |
1361 | pattern_len = 1; | |
1362 | } else { | |
1363 | if (i == WL1271_RX_FILTER_ETH_HEADER_SIZE) { | |
1364 | num_fields++; | |
1365 | fields_size += pattern_len + | |
1366 | RX_FILTER_FIELD_OVERHEAD; | |
1367 | pattern_len = 1; | |
1368 | } else | |
1369 | pattern_len++; | |
1370 | } | |
1371 | } else { | |
1372 | if (in_field) { | |
1373 | in_field = 0; | |
1374 | fields_size += pattern_len + | |
1375 | RX_FILTER_FIELD_OVERHEAD; | |
1376 | num_fields++; | |
1377 | } | |
1378 | } | |
1379 | } | |
1380 | ||
1381 | if (in_field) { | |
1382 | fields_size += pattern_len + RX_FILTER_FIELD_OVERHEAD; | |
1383 | num_fields++; | |
1384 | } | |
1385 | ||
1386 | if (num_fields > WL1271_RX_FILTER_MAX_FIELDS) { | |
1387 | wl1271_warning("RX Filter too complex. Too many segments"); | |
1388 | return -EINVAL; | |
1389 | } | |
1390 | ||
1391 | if (fields_size > WL1271_RX_FILTER_MAX_FIELDS_SIZE) { | |
1392 | wl1271_warning("RX filter pattern is too big"); | |
1393 | return -E2BIG; | |
1394 | } | |
1395 | ||
1396 | return 0; | |
1397 | } | |
1398 | ||
a6eab0c8 ES |
1399 | struct wl12xx_rx_filter *wl1271_rx_filter_alloc(void) |
1400 | { | |
1401 | return kzalloc(sizeof(struct wl12xx_rx_filter), GFP_KERNEL); | |
1402 | } | |
1403 | ||
1404 | void wl1271_rx_filter_free(struct wl12xx_rx_filter *filter) | |
1405 | { | |
1406 | int i; | |
1407 | ||
1408 | if (filter == NULL) | |
1409 | return; | |
1410 | ||
1411 | for (i = 0; i < filter->num_fields; i++) | |
1412 | kfree(filter->fields[i].pattern); | |
1413 | ||
1414 | kfree(filter); | |
1415 | } | |
1416 | ||
1417 | int wl1271_rx_filter_alloc_field(struct wl12xx_rx_filter *filter, | |
1418 | u16 offset, u8 flags, | |
1419 | u8 *pattern, u8 len) | |
1420 | { | |
1421 | struct wl12xx_rx_filter_field *field; | |
1422 | ||
1423 | if (filter->num_fields == WL1271_RX_FILTER_MAX_FIELDS) { | |
1424 | wl1271_warning("Max fields per RX filter. can't alloc another"); | |
1425 | return -EINVAL; | |
1426 | } | |
1427 | ||
1428 | field = &filter->fields[filter->num_fields]; | |
1429 | ||
1430 | field->pattern = kzalloc(len, GFP_KERNEL); | |
1431 | if (!field->pattern) { | |
1432 | wl1271_warning("Failed to allocate RX filter pattern"); | |
1433 | return -ENOMEM; | |
1434 | } | |
1435 | ||
1436 | filter->num_fields++; | |
1437 | ||
1438 | field->offset = cpu_to_le16(offset); | |
1439 | field->flags = flags; | |
1440 | field->len = len; | |
1441 | memcpy(field->pattern, pattern, len); | |
1442 | ||
1443 | return 0; | |
1444 | } | |
1445 | ||
1446 | int wl1271_rx_filter_get_fields_size(struct wl12xx_rx_filter *filter) | |
1447 | { | |
1448 | int i, fields_size = 0; | |
1449 | ||
1450 | for (i = 0; i < filter->num_fields; i++) | |
1451 | fields_size += filter->fields[i].len + | |
1452 | sizeof(struct wl12xx_rx_filter_field) - | |
1453 | sizeof(u8 *); | |
1454 | ||
1455 | return fields_size; | |
1456 | } | |
1457 | ||
1458 | void wl1271_rx_filter_flatten_fields(struct wl12xx_rx_filter *filter, | |
1459 | u8 *buf) | |
1460 | { | |
1461 | int i; | |
1462 | struct wl12xx_rx_filter_field *field; | |
1463 | ||
1464 | for (i = 0; i < filter->num_fields; i++) { | |
1465 | field = (struct wl12xx_rx_filter_field *)buf; | |
1466 | ||
1467 | field->offset = filter->fields[i].offset; | |
1468 | field->flags = filter->fields[i].flags; | |
1469 | field->len = filter->fields[i].len; | |
1470 | ||
1471 | memcpy(&field->pattern, filter->fields[i].pattern, field->len); | |
1472 | buf += sizeof(struct wl12xx_rx_filter_field) - | |
1473 | sizeof(u8 *) + field->len; | |
1474 | } | |
1475 | } | |
1476 | ||
b95d7cef ES |
1477 | /* |
1478 | * Allocates an RX filter returned through f | |
1479 | * which needs to be freed using rx_filter_free() | |
1480 | */ | |
50ac6607 AK |
1481 | static int |
1482 | wl1271_convert_wowlan_pattern_to_rx_filter(struct cfg80211_pkt_pattern *p, | |
1483 | struct wl12xx_rx_filter **f) | |
b95d7cef ES |
1484 | { |
1485 | int i, j, ret = 0; | |
1486 | struct wl12xx_rx_filter *filter; | |
1487 | u16 offset; | |
1488 | u8 flags, len; | |
1489 | ||
1490 | filter = wl1271_rx_filter_alloc(); | |
1491 | if (!filter) { | |
1492 | wl1271_warning("Failed to alloc rx filter"); | |
1493 | ret = -ENOMEM; | |
1494 | goto err; | |
1495 | } | |
1496 | ||
1497 | i = 0; | |
1498 | while (i < p->pattern_len) { | |
1499 | if (!test_bit(i, (unsigned long *)p->mask)) { | |
1500 | i++; | |
1501 | continue; | |
1502 | } | |
1503 | ||
1504 | for (j = i; j < p->pattern_len; j++) { | |
1505 | if (!test_bit(j, (unsigned long *)p->mask)) | |
1506 | break; | |
1507 | ||
1508 | if (i < WL1271_RX_FILTER_ETH_HEADER_SIZE && | |
1509 | j >= WL1271_RX_FILTER_ETH_HEADER_SIZE) | |
1510 | break; | |
1511 | } | |
1512 | ||
1513 | if (i < WL1271_RX_FILTER_ETH_HEADER_SIZE) { | |
1514 | offset = i; | |
1515 | flags = WL1271_RX_FILTER_FLAG_ETHERNET_HEADER; | |
1516 | } else { | |
1517 | offset = i - WL1271_RX_FILTER_ETH_HEADER_SIZE; | |
1518 | flags = WL1271_RX_FILTER_FLAG_IP_HEADER; | |
1519 | } | |
1520 | ||
1521 | len = j - i; | |
1522 | ||
1523 | ret = wl1271_rx_filter_alloc_field(filter, | |
1524 | offset, | |
1525 | flags, | |
1526 | &p->pattern[i], len); | |
1527 | if (ret) | |
1528 | goto err; | |
1529 | ||
1530 | i = j; | |
1531 | } | |
1532 | ||
1533 | filter->action = FILTER_SIGNAL; | |
1534 | ||
1535 | *f = filter; | |
1536 | return 0; | |
1537 | ||
1538 | err: | |
1539 | wl1271_rx_filter_free(filter); | |
1540 | *f = NULL; | |
1541 | ||
1542 | return ret; | |
1543 | } | |
1544 | ||
1545 | static int wl1271_configure_wowlan(struct wl1271 *wl, | |
1546 | struct cfg80211_wowlan *wow) | |
1547 | { | |
1548 | int i, ret; | |
1549 | ||
1550 | if (!wow || wow->any || !wow->n_patterns) { | |
c439a1ca AN |
1551 | ret = wl1271_acx_default_rx_filter_enable(wl, 0, |
1552 | FILTER_SIGNAL); | |
1553 | if (ret) | |
1554 | goto out; | |
1555 | ||
1556 | ret = wl1271_rx_filter_clear_all(wl); | |
1557 | if (ret) | |
1558 | goto out; | |
1559 | ||
b95d7cef ES |
1560 | return 0; |
1561 | } | |
1562 | ||
1563 | if (WARN_ON(wow->n_patterns > WL1271_MAX_RX_FILTERS)) | |
1564 | return -EINVAL; | |
1565 | ||
1566 | /* Validate all incoming patterns before clearing current FW state */ | |
1567 | for (i = 0; i < wow->n_patterns; i++) { | |
1568 | ret = wl1271_validate_wowlan_pattern(&wow->patterns[i]); | |
1569 | if (ret) { | |
1570 | wl1271_warning("Bad wowlan pattern %d", i); | |
1571 | return ret; | |
1572 | } | |
1573 | } | |
1574 | ||
c439a1ca AN |
1575 | ret = wl1271_acx_default_rx_filter_enable(wl, 0, FILTER_SIGNAL); |
1576 | if (ret) | |
1577 | goto out; | |
1578 | ||
1579 | ret = wl1271_rx_filter_clear_all(wl); | |
1580 | if (ret) | |
1581 | goto out; | |
b95d7cef ES |
1582 | |
1583 | /* Translate WoWLAN patterns into filters */ | |
1584 | for (i = 0; i < wow->n_patterns; i++) { | |
50ac6607 | 1585 | struct cfg80211_pkt_pattern *p; |
b95d7cef ES |
1586 | struct wl12xx_rx_filter *filter = NULL; |
1587 | ||
1588 | p = &wow->patterns[i]; | |
1589 | ||
1590 | ret = wl1271_convert_wowlan_pattern_to_rx_filter(p, &filter); | |
1591 | if (ret) { | |
1592 | wl1271_warning("Failed to create an RX filter from " | |
1593 | "wowlan pattern %d", i); | |
1594 | goto out; | |
1595 | } | |
1596 | ||
1597 | ret = wl1271_rx_filter_enable(wl, i, 1, filter); | |
1598 | ||
1599 | wl1271_rx_filter_free(filter); | |
1600 | if (ret) | |
1601 | goto out; | |
1602 | } | |
1603 | ||
1604 | ret = wl1271_acx_default_rx_filter_enable(wl, 1, FILTER_DROP); | |
1605 | ||
1606 | out: | |
1607 | return ret; | |
1608 | } | |
1609 | ||
dae728fe | 1610 | static int wl1271_configure_suspend_sta(struct wl1271 *wl, |
b95d7cef ES |
1611 | struct wl12xx_vif *wlvif, |
1612 | struct cfg80211_wowlan *wow) | |
dae728fe ES |
1613 | { |
1614 | int ret = 0; | |
1615 | ||
dae728fe | 1616 | if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
c56dbd57 | 1617 | goto out; |
dae728fe ES |
1618 | |
1619 | ret = wl1271_ps_elp_wakeup(wl); | |
1620 | if (ret < 0) | |
c56dbd57 | 1621 | goto out; |
dae728fe | 1622 | |
c439a1ca AN |
1623 | ret = wl1271_configure_wowlan(wl, wow); |
1624 | if (ret < 0) | |
1625 | goto out_sleep; | |
1626 | ||
11bc97eb ES |
1627 | if ((wl->conf.conn.suspend_wake_up_event == |
1628 | wl->conf.conn.wake_up_event) && | |
1629 | (wl->conf.conn.suspend_listen_interval == | |
1630 | wl->conf.conn.listen_interval)) | |
1631 | goto out_sleep; | |
1632 | ||
dae728fe ES |
1633 | ret = wl1271_acx_wake_up_conditions(wl, wlvif, |
1634 | wl->conf.conn.suspend_wake_up_event, | |
1635 | wl->conf.conn.suspend_listen_interval); | |
1636 | ||
1637 | if (ret < 0) | |
1638 | wl1271_error("suspend: set wake up conditions failed: %d", ret); | |
1639 | ||
c439a1ca | 1640 | out_sleep: |
dae728fe | 1641 | wl1271_ps_elp_sleep(wl); |
c56dbd57 | 1642 | out: |
dae728fe ES |
1643 | return ret; |
1644 | ||
1645 | } | |
9439064c | 1646 | |
0603d891 EP |
1647 | static int wl1271_configure_suspend_ap(struct wl1271 *wl, |
1648 | struct wl12xx_vif *wlvif) | |
8a7cf3fe | 1649 | { |
e85d1629 | 1650 | int ret = 0; |
8a7cf3fe | 1651 | |
53d40d0b | 1652 | if (!test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) |
c56dbd57 | 1653 | goto out; |
e85d1629 | 1654 | |
8a7cf3fe EP |
1655 | ret = wl1271_ps_elp_wakeup(wl); |
1656 | if (ret < 0) | |
c56dbd57 | 1657 | goto out; |
8a7cf3fe | 1658 | |
0603d891 | 1659 | ret = wl1271_acx_beacon_filter_opt(wl, wlvif, true); |
8a7cf3fe EP |
1660 | |
1661 | wl1271_ps_elp_sleep(wl); | |
c56dbd57 | 1662 | out: |
8a7cf3fe EP |
1663 | return ret; |
1664 | ||
1665 | } | |
1666 | ||
d2d66c56 | 1667 | static int wl1271_configure_suspend(struct wl1271 *wl, |
b95d7cef ES |
1668 | struct wl12xx_vif *wlvif, |
1669 | struct cfg80211_wowlan *wow) | |
8a7cf3fe | 1670 | { |
dae728fe | 1671 | if (wlvif->bss_type == BSS_TYPE_STA_BSS) |
b95d7cef | 1672 | return wl1271_configure_suspend_sta(wl, wlvif, wow); |
536129c8 | 1673 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) |
0603d891 | 1674 | return wl1271_configure_suspend_ap(wl, wlvif); |
8a7cf3fe EP |
1675 | return 0; |
1676 | } | |
1677 | ||
8f6ac537 | 1678 | static void wl1271_configure_resume(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
9439064c | 1679 | { |
dae728fe | 1680 | int ret = 0; |
536129c8 | 1681 | bool is_ap = wlvif->bss_type == BSS_TYPE_AP_BSS; |
dae728fe | 1682 | bool is_sta = wlvif->bss_type == BSS_TYPE_STA_BSS; |
9439064c | 1683 | |
dae728fe | 1684 | if ((!is_ap) && (!is_sta)) |
9439064c EP |
1685 | return; |
1686 | ||
d49524d3 EP |
1687 | if (is_sta && !test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
1688 | return; | |
1689 | ||
9439064c EP |
1690 | ret = wl1271_ps_elp_wakeup(wl); |
1691 | if (ret < 0) | |
c56dbd57 | 1692 | return; |
9439064c | 1693 | |
dae728fe | 1694 | if (is_sta) { |
b95d7cef ES |
1695 | wl1271_configure_wowlan(wl, NULL); |
1696 | ||
11bc97eb ES |
1697 | if ((wl->conf.conn.suspend_wake_up_event == |
1698 | wl->conf.conn.wake_up_event) && | |
1699 | (wl->conf.conn.suspend_listen_interval == | |
1700 | wl->conf.conn.listen_interval)) | |
1701 | goto out_sleep; | |
1702 | ||
dae728fe ES |
1703 | ret = wl1271_acx_wake_up_conditions(wl, wlvif, |
1704 | wl->conf.conn.wake_up_event, | |
1705 | wl->conf.conn.listen_interval); | |
1706 | ||
1707 | if (ret < 0) | |
1708 | wl1271_error("resume: wake up conditions failed: %d", | |
1709 | ret); | |
1710 | ||
1711 | } else if (is_ap) { | |
1712 | ret = wl1271_acx_beacon_filter_opt(wl, wlvif, false); | |
1713 | } | |
9439064c | 1714 | |
11bc97eb | 1715 | out_sleep: |
9439064c | 1716 | wl1271_ps_elp_sleep(wl); |
9439064c EP |
1717 | } |
1718 | ||
402e4861 EP |
1719 | static int wl1271_op_suspend(struct ieee80211_hw *hw, |
1720 | struct cfg80211_wowlan *wow) | |
1721 | { | |
1722 | struct wl1271 *wl = hw->priv; | |
6e8cd331 | 1723 | struct wl12xx_vif *wlvif; |
4a859df8 EP |
1724 | int ret; |
1725 | ||
402e4861 | 1726 | wl1271_debug(DEBUG_MAC80211, "mac80211 suspend wow=%d", !!wow); |
b95d7cef | 1727 | WARN_ON(!wow); |
f44e5868 | 1728 | |
96caded8 AN |
1729 | /* we want to perform the recovery before suspending */ |
1730 | if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) { | |
1731 | wl1271_warning("postponing suspend to perform recovery"); | |
1732 | return -EBUSY; | |
1733 | } | |
1734 | ||
b9239b66 AN |
1735 | wl1271_tx_flush(wl); |
1736 | ||
c56dbd57 | 1737 | mutex_lock(&wl->mutex); |
4a859df8 | 1738 | wl->wow_enabled = true; |
6e8cd331 | 1739 | wl12xx_for_each_wlvif(wl, wlvif) { |
b95d7cef | 1740 | ret = wl1271_configure_suspend(wl, wlvif, wow); |
6e8cd331 | 1741 | if (ret < 0) { |
cd840f6a | 1742 | mutex_unlock(&wl->mutex); |
6e8cd331 EP |
1743 | wl1271_warning("couldn't prepare device to suspend"); |
1744 | return ret; | |
1745 | } | |
4a859df8 | 1746 | } |
c56dbd57 | 1747 | mutex_unlock(&wl->mutex); |
4a859df8 EP |
1748 | /* flush any remaining work */ |
1749 | wl1271_debug(DEBUG_MAC80211, "flushing remaining works"); | |
f44e5868 | 1750 | |
4a859df8 EP |
1751 | /* |
1752 | * disable and re-enable interrupts in order to flush | |
1753 | * the threaded_irq | |
1754 | */ | |
dd5512eb | 1755 | wlcore_disable_interrupts(wl); |
4a859df8 EP |
1756 | |
1757 | /* | |
1758 | * set suspended flag to avoid triggering a new threaded_irq | |
1759 | * work. no need for spinlock as interrupts are disabled. | |
1760 | */ | |
1761 | set_bit(WL1271_FLAG_SUSPENDED, &wl->flags); | |
1762 | ||
dd5512eb | 1763 | wlcore_enable_interrupts(wl); |
4a859df8 | 1764 | flush_work(&wl->tx_work); |
4a859df8 | 1765 | flush_delayed_work(&wl->elp_work); |
f44e5868 | 1766 | |
9be86cf0 AN |
1767 | /* |
1768 | * Cancel the watchdog even if above tx_flush failed. We will detect | |
1769 | * it on resume anyway. | |
1770 | */ | |
1771 | cancel_delayed_work(&wl->tx_watchdog_work); | |
1772 | ||
402e4861 EP |
1773 | return 0; |
1774 | } | |
1775 | ||
1776 | static int wl1271_op_resume(struct ieee80211_hw *hw) | |
1777 | { | |
1778 | struct wl1271 *wl = hw->priv; | |
6e8cd331 | 1779 | struct wl12xx_vif *wlvif; |
4a859df8 | 1780 | unsigned long flags; |
ea0a3cf9 | 1781 | bool run_irq_work = false, pending_recovery; |
725b8277 | 1782 | int ret; |
4a859df8 | 1783 | |
402e4861 EP |
1784 | wl1271_debug(DEBUG_MAC80211, "mac80211 resume wow=%d", |
1785 | wl->wow_enabled); | |
4a859df8 | 1786 | WARN_ON(!wl->wow_enabled); |
f44e5868 EP |
1787 | |
1788 | /* | |
1789 | * re-enable irq_work enqueuing, and call irq_work directly if | |
1790 | * there is a pending work. | |
1791 | */ | |
4a859df8 EP |
1792 | spin_lock_irqsave(&wl->wl_lock, flags); |
1793 | clear_bit(WL1271_FLAG_SUSPENDED, &wl->flags); | |
1794 | if (test_and_clear_bit(WL1271_FLAG_PENDING_WORK, &wl->flags)) | |
1795 | run_irq_work = true; | |
1796 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
9439064c | 1797 | |
725b8277 AN |
1798 | mutex_lock(&wl->mutex); |
1799 | ||
ea0a3cf9 AN |
1800 | /* test the recovery flag before calling any SDIO functions */ |
1801 | pending_recovery = test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, | |
1802 | &wl->flags); | |
1803 | ||
4a859df8 EP |
1804 | if (run_irq_work) { |
1805 | wl1271_debug(DEBUG_MAC80211, | |
1806 | "run postponed irq_work directly"); | |
ea0a3cf9 AN |
1807 | |
1808 | /* don't talk to the HW if recovery is pending */ | |
725b8277 AN |
1809 | if (!pending_recovery) { |
1810 | ret = wlcore_irq_locked(wl); | |
1811 | if (ret) | |
1812 | wl12xx_queue_recovery_work(wl); | |
1813 | } | |
ea0a3cf9 | 1814 | |
dd5512eb | 1815 | wlcore_enable_interrupts(wl); |
f44e5868 | 1816 | } |
c56dbd57 | 1817 | |
ea0a3cf9 AN |
1818 | if (pending_recovery) { |
1819 | wl1271_warning("queuing forgotten recovery on resume"); | |
1820 | ieee80211_queue_work(wl->hw, &wl->recovery_work); | |
1821 | goto out; | |
1822 | } | |
1823 | ||
6e8cd331 EP |
1824 | wl12xx_for_each_wlvif(wl, wlvif) { |
1825 | wl1271_configure_resume(wl, wlvif); | |
1826 | } | |
ea0a3cf9 AN |
1827 | |
1828 | out: | |
ff91afc9 | 1829 | wl->wow_enabled = false; |
9be86cf0 AN |
1830 | |
1831 | /* | |
1832 | * Set a flag to re-init the watchdog on the first Tx after resume. | |
1833 | * That way we avoid possible conditions where Tx-complete interrupts | |
1834 | * fail to arrive and we perform a spurious recovery. | |
1835 | */ | |
1836 | set_bit(WL1271_FLAG_REINIT_TX_WDOG, &wl->flags); | |
c56dbd57 | 1837 | mutex_unlock(&wl->mutex); |
f44e5868 | 1838 | |
402e4861 EP |
1839 | return 0; |
1840 | } | |
f634a4e7 | 1841 | #endif |
402e4861 | 1842 | |
f5fc0f86 | 1843 | static int wl1271_op_start(struct ieee80211_hw *hw) |
1b72aecd JO |
1844 | { |
1845 | wl1271_debug(DEBUG_MAC80211, "mac80211 start"); | |
1846 | ||
1847 | /* | |
1848 | * We have to delay the booting of the hardware because | |
1849 | * we need to know the local MAC address before downloading and | |
1850 | * initializing the firmware. The MAC address cannot be changed | |
1851 | * after boot, and without the proper MAC address, the firmware | |
1852 | * will not function properly. | |
1853 | * | |
1854 | * The MAC address is first known when the corresponding interface | |
1855 | * is added. That is where we will initialize the hardware. | |
1856 | */ | |
1857 | ||
d18da7fc | 1858 | return 0; |
1b72aecd JO |
1859 | } |
1860 | ||
c24ec83b | 1861 | static void wlcore_op_stop_locked(struct wl1271 *wl) |
1b72aecd | 1862 | { |
baf6277a EP |
1863 | int i; |
1864 | ||
4cc53383 | 1865 | if (wl->state == WLCORE_STATE_OFF) { |
b666bb7f IY |
1866 | if (test_and_clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, |
1867 | &wl->flags)) | |
1868 | wlcore_enable_interrupts(wl); | |
1869 | ||
10c8cd01 EP |
1870 | return; |
1871 | } | |
46b0cc9f | 1872 | |
baf6277a EP |
1873 | /* |
1874 | * this must be before the cancel_work calls below, so that the work | |
1875 | * functions don't perform further work. | |
1876 | */ | |
4cc53383 | 1877 | wl->state = WLCORE_STATE_OFF; |
c24ec83b IY |
1878 | |
1879 | /* | |
1880 | * Use the nosync variant to disable interrupts, so the mutex could be | |
1881 | * held while doing so without deadlocking. | |
1882 | */ | |
1883 | wlcore_disable_interrupts_nosync(wl); | |
1884 | ||
10c8cd01 EP |
1885 | mutex_unlock(&wl->mutex); |
1886 | ||
c24ec83b | 1887 | wlcore_synchronize_interrupts(wl); |
6dbc5fc2 EP |
1888 | if (!test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) |
1889 | cancel_work_sync(&wl->recovery_work); | |
baf6277a EP |
1890 | wl1271_flush_deferred_work(wl); |
1891 | cancel_delayed_work_sync(&wl->scan_complete_work); | |
1892 | cancel_work_sync(&wl->netstack_work); | |
1893 | cancel_work_sync(&wl->tx_work); | |
baf6277a | 1894 | cancel_delayed_work_sync(&wl->elp_work); |
55df5afb | 1895 | cancel_delayed_work_sync(&wl->tx_watchdog_work); |
baf6277a EP |
1896 | |
1897 | /* let's notify MAC80211 about the remaining pending TX frames */ | |
baf6277a | 1898 | mutex_lock(&wl->mutex); |
d935e385 | 1899 | wl12xx_tx_reset(wl); |
baf6277a EP |
1900 | |
1901 | wl1271_power_off(wl); | |
b666bb7f IY |
1902 | /* |
1903 | * In case a recovery was scheduled, interrupts were disabled to avoid | |
1904 | * an interrupt storm. Now that the power is down, it is safe to | |
1905 | * re-enable interrupts to balance the disable depth | |
1906 | */ | |
1907 | if (test_and_clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) | |
1908 | wlcore_enable_interrupts(wl); | |
baf6277a EP |
1909 | |
1910 | wl->band = IEEE80211_BAND_2GHZ; | |
1911 | ||
1912 | wl->rx_counter = 0; | |
1913 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; | |
83d08d3f | 1914 | wl->channel_type = NL80211_CHAN_NO_HT; |
baf6277a EP |
1915 | wl->tx_blocks_available = 0; |
1916 | wl->tx_allocated_blocks = 0; | |
1917 | wl->tx_results_count = 0; | |
1918 | wl->tx_packets_count = 0; | |
1919 | wl->time_offset = 0; | |
baf6277a EP |
1920 | wl->ap_fw_ps_map = 0; |
1921 | wl->ap_ps_map = 0; | |
2f18cf7c | 1922 | wl->sleep_auth = WL1271_PSM_ILLEGAL; |
baf6277a EP |
1923 | memset(wl->roles_map, 0, sizeof(wl->roles_map)); |
1924 | memset(wl->links_map, 0, sizeof(wl->links_map)); | |
1925 | memset(wl->roc_map, 0, sizeof(wl->roc_map)); | |
978cd3a0 | 1926 | memset(wl->session_ids, 0, sizeof(wl->session_ids)); |
02d0727c | 1927 | memset(wl->rx_filter_enabled, 0, sizeof(wl->rx_filter_enabled)); |
baf6277a | 1928 | wl->active_sta_count = 0; |
9a100968 | 1929 | wl->active_link_count = 0; |
baf6277a EP |
1930 | |
1931 | /* The system link is always allocated */ | |
9ebcb232 AN |
1932 | wl->links[WL12XX_SYSTEM_HLID].allocated_pkts = 0; |
1933 | wl->links[WL12XX_SYSTEM_HLID].prev_freed_pkts = 0; | |
baf6277a EP |
1934 | __set_bit(WL12XX_SYSTEM_HLID, wl->links_map); |
1935 | ||
1936 | /* | |
1937 | * this is performed after the cancel_work calls and the associated | |
1938 | * mutex_lock, so that wl1271_op_add_interface does not accidentally | |
1939 | * get executed before all these vars have been reset. | |
1940 | */ | |
1941 | wl->flags = 0; | |
1942 | ||
1943 | wl->tx_blocks_freed = 0; | |
1944 | ||
1945 | for (i = 0; i < NUM_TX_QUEUES; i++) { | |
1946 | wl->tx_pkts_freed[i] = 0; | |
1947 | wl->tx_allocated_pkts[i] = 0; | |
1948 | } | |
1949 | ||
1950 | wl1271_debugfs_reset(wl); | |
1951 | ||
75fb4df7 EP |
1952 | kfree(wl->raw_fw_status); |
1953 | wl->raw_fw_status = NULL; | |
1954 | kfree(wl->fw_status); | |
1955 | wl->fw_status = NULL; | |
baf6277a EP |
1956 | kfree(wl->tx_res_if); |
1957 | wl->tx_res_if = NULL; | |
1958 | kfree(wl->target_mem_map); | |
1959 | wl->target_mem_map = NULL; | |
6b70e7eb VG |
1960 | |
1961 | /* | |
1962 | * FW channels must be re-calibrated after recovery, | |
8d3c1fd8 | 1963 | * save current Reg-Domain channel configuration and clear it. |
6b70e7eb | 1964 | */ |
8d3c1fd8 EP |
1965 | memcpy(wl->reg_ch_conf_pending, wl->reg_ch_conf_last, |
1966 | sizeof(wl->reg_ch_conf_pending)); | |
6b70e7eb | 1967 | memset(wl->reg_ch_conf_last, 0, sizeof(wl->reg_ch_conf_last)); |
c24ec83b IY |
1968 | } |
1969 | ||
1970 | static void wlcore_op_stop(struct ieee80211_hw *hw) | |
1971 | { | |
1972 | struct wl1271 *wl = hw->priv; | |
1973 | ||
1974 | wl1271_debug(DEBUG_MAC80211, "mac80211 stop"); | |
1975 | ||
1976 | mutex_lock(&wl->mutex); | |
1977 | ||
1978 | wlcore_op_stop_locked(wl); | |
baf6277a EP |
1979 | |
1980 | mutex_unlock(&wl->mutex); | |
1b72aecd JO |
1981 | } |
1982 | ||
c50a2825 EP |
1983 | static void wlcore_channel_switch_work(struct work_struct *work) |
1984 | { | |
1985 | struct delayed_work *dwork; | |
1986 | struct wl1271 *wl; | |
1987 | struct ieee80211_vif *vif; | |
1988 | struct wl12xx_vif *wlvif; | |
1989 | int ret; | |
1990 | ||
1991 | dwork = container_of(work, struct delayed_work, work); | |
1992 | wlvif = container_of(dwork, struct wl12xx_vif, channel_switch_work); | |
1993 | wl = wlvif->wl; | |
1994 | ||
1995 | wl1271_info("channel switch failed (role_id: %d).", wlvif->role_id); | |
1996 | ||
1997 | mutex_lock(&wl->mutex); | |
1998 | ||
1999 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
2000 | goto out; | |
2001 | ||
2002 | /* check the channel switch is still ongoing */ | |
2003 | if (!test_and_clear_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags)) | |
2004 | goto out; | |
2005 | ||
2006 | vif = wl12xx_wlvif_to_vif(wlvif); | |
2007 | ieee80211_chswitch_done(vif, false); | |
2008 | ||
2009 | ret = wl1271_ps_elp_wakeup(wl); | |
2010 | if (ret < 0) | |
2011 | goto out; | |
2012 | ||
2013 | wl12xx_cmd_stop_channel_switch(wl, wlvif); | |
2014 | ||
2015 | wl1271_ps_elp_sleep(wl); | |
2016 | out: | |
2017 | mutex_unlock(&wl->mutex); | |
2018 | } | |
2019 | ||
2020 | static void wlcore_connection_loss_work(struct work_struct *work) | |
2021 | { | |
2022 | struct delayed_work *dwork; | |
2023 | struct wl1271 *wl; | |
2024 | struct ieee80211_vif *vif; | |
2025 | struct wl12xx_vif *wlvif; | |
2026 | ||
2027 | dwork = container_of(work, struct delayed_work, work); | |
2028 | wlvif = container_of(dwork, struct wl12xx_vif, connection_loss_work); | |
2029 | wl = wlvif->wl; | |
2030 | ||
2031 | wl1271_info("Connection loss work (role_id: %d).", wlvif->role_id); | |
2032 | ||
2033 | mutex_lock(&wl->mutex); | |
2034 | ||
2035 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
2036 | goto out; | |
2037 | ||
2038 | /* Call mac80211 connection loss */ | |
2039 | if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) | |
2040 | goto out; | |
2041 | ||
2042 | vif = wl12xx_wlvif_to_vif(wlvif); | |
2043 | ieee80211_connection_loss(vif); | |
2044 | out: | |
2045 | mutex_unlock(&wl->mutex); | |
2046 | } | |
2047 | ||
187e52cc AN |
2048 | static void wlcore_pending_auth_complete_work(struct work_struct *work) |
2049 | { | |
2050 | struct delayed_work *dwork; | |
2051 | struct wl1271 *wl; | |
2052 | struct wl12xx_vif *wlvif; | |
2053 | unsigned long time_spare; | |
2054 | int ret; | |
2055 | ||
2056 | dwork = container_of(work, struct delayed_work, work); | |
2057 | wlvif = container_of(dwork, struct wl12xx_vif, | |
2058 | pending_auth_complete_work); | |
2059 | wl = wlvif->wl; | |
2060 | ||
2061 | mutex_lock(&wl->mutex); | |
2062 | ||
2063 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
2064 | goto out; | |
2065 | ||
2066 | /* | |
2067 | * Make sure a second really passed since the last auth reply. Maybe | |
2068 | * a second auth reply arrived while we were stuck on the mutex. | |
2069 | * Check for a little less than the timeout to protect from scheduler | |
2070 | * irregularities. | |
2071 | */ | |
2072 | time_spare = jiffies + | |
2073 | msecs_to_jiffies(WLCORE_PEND_AUTH_ROC_TIMEOUT - 50); | |
2074 | if (!time_after(time_spare, wlvif->pending_auth_reply_time)) | |
2075 | goto out; | |
2076 | ||
2077 | ret = wl1271_ps_elp_wakeup(wl); | |
2078 | if (ret < 0) | |
2079 | goto out; | |
2080 | ||
2081 | /* cancel the ROC if active */ | |
2082 | wlcore_update_inconn_sta(wl, wlvif, NULL, false); | |
2083 | ||
2084 | wl1271_ps_elp_sleep(wl); | |
2085 | out: | |
2086 | mutex_unlock(&wl->mutex); | |
2087 | } | |
2088 | ||
e5a359f8 EP |
2089 | static int wl12xx_allocate_rate_policy(struct wl1271 *wl, u8 *idx) |
2090 | { | |
2091 | u8 policy = find_first_zero_bit(wl->rate_policies_map, | |
2092 | WL12XX_MAX_RATE_POLICIES); | |
2093 | if (policy >= WL12XX_MAX_RATE_POLICIES) | |
2094 | return -EBUSY; | |
2095 | ||
2096 | __set_bit(policy, wl->rate_policies_map); | |
2097 | *idx = policy; | |
2098 | return 0; | |
2099 | } | |
2100 | ||
2101 | static void wl12xx_free_rate_policy(struct wl1271 *wl, u8 *idx) | |
2102 | { | |
2103 | if (WARN_ON(*idx >= WL12XX_MAX_RATE_POLICIES)) | |
2104 | return; | |
2105 | ||
2106 | __clear_bit(*idx, wl->rate_policies_map); | |
2107 | *idx = WL12XX_MAX_RATE_POLICIES; | |
2108 | } | |
2109 | ||
001e39a8 EP |
2110 | static int wlcore_allocate_klv_template(struct wl1271 *wl, u8 *idx) |
2111 | { | |
2112 | u8 policy = find_first_zero_bit(wl->klv_templates_map, | |
2113 | WLCORE_MAX_KLV_TEMPLATES); | |
2114 | if (policy >= WLCORE_MAX_KLV_TEMPLATES) | |
2115 | return -EBUSY; | |
2116 | ||
2117 | __set_bit(policy, wl->klv_templates_map); | |
2118 | *idx = policy; | |
2119 | return 0; | |
2120 | } | |
2121 | ||
2122 | static void wlcore_free_klv_template(struct wl1271 *wl, u8 *idx) | |
2123 | { | |
2124 | if (WARN_ON(*idx >= WLCORE_MAX_KLV_TEMPLATES)) | |
2125 | return; | |
2126 | ||
2127 | __clear_bit(*idx, wl->klv_templates_map); | |
2128 | *idx = WLCORE_MAX_KLV_TEMPLATES; | |
2129 | } | |
2130 | ||
536129c8 | 2131 | static u8 wl12xx_get_role_type(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
b78b47eb | 2132 | { |
536129c8 | 2133 | switch (wlvif->bss_type) { |
b78b47eb | 2134 | case BSS_TYPE_AP_BSS: |
fb0e707c | 2135 | if (wlvif->p2p) |
045c745f EP |
2136 | return WL1271_ROLE_P2P_GO; |
2137 | else | |
2138 | return WL1271_ROLE_AP; | |
b78b47eb EP |
2139 | |
2140 | case BSS_TYPE_STA_BSS: | |
fb0e707c | 2141 | if (wlvif->p2p) |
045c745f EP |
2142 | return WL1271_ROLE_P2P_CL; |
2143 | else | |
2144 | return WL1271_ROLE_STA; | |
b78b47eb | 2145 | |
227e81e1 EP |
2146 | case BSS_TYPE_IBSS: |
2147 | return WL1271_ROLE_IBSS; | |
2148 | ||
b78b47eb | 2149 | default: |
536129c8 | 2150 | wl1271_error("invalid bss_type: %d", wlvif->bss_type); |
b78b47eb EP |
2151 | } |
2152 | return WL12XX_INVALID_ROLE_TYPE; | |
2153 | } | |
2154 | ||
83587505 | 2155 | static int wl12xx_init_vif_data(struct wl1271 *wl, struct ieee80211_vif *vif) |
87fbcb0f | 2156 | { |
e936bbe0 | 2157 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
e5a359f8 | 2158 | int i; |
e936bbe0 | 2159 | |
48e93e40 EP |
2160 | /* clear everything but the persistent data */ |
2161 | memset(wlvif, 0, offsetof(struct wl12xx_vif, persistent)); | |
e936bbe0 EP |
2162 | |
2163 | switch (ieee80211_vif_type_p2p(vif)) { | |
2164 | case NL80211_IFTYPE_P2P_CLIENT: | |
2165 | wlvif->p2p = 1; | |
2166 | /* fall-through */ | |
2167 | case NL80211_IFTYPE_STATION: | |
2168 | wlvif->bss_type = BSS_TYPE_STA_BSS; | |
2169 | break; | |
2170 | case NL80211_IFTYPE_ADHOC: | |
2171 | wlvif->bss_type = BSS_TYPE_IBSS; | |
2172 | break; | |
2173 | case NL80211_IFTYPE_P2P_GO: | |
2174 | wlvif->p2p = 1; | |
2175 | /* fall-through */ | |
2176 | case NL80211_IFTYPE_AP: | |
2177 | wlvif->bss_type = BSS_TYPE_AP_BSS; | |
2178 | break; | |
2179 | default: | |
2180 | wlvif->bss_type = MAX_BSS_TYPE; | |
2181 | return -EOPNOTSUPP; | |
2182 | } | |
2183 | ||
0603d891 | 2184 | wlvif->role_id = WL12XX_INVALID_ROLE_ID; |
7edebf56 | 2185 | wlvif->dev_role_id = WL12XX_INVALID_ROLE_ID; |
afaf8bdb | 2186 | wlvif->dev_hlid = WL12XX_INVALID_LINK_ID; |
a8ab39a4 | 2187 | |
e936bbe0 EP |
2188 | if (wlvif->bss_type == BSS_TYPE_STA_BSS || |
2189 | wlvif->bss_type == BSS_TYPE_IBSS) { | |
2190 | /* init sta/ibss data */ | |
2191 | wlvif->sta.hlid = WL12XX_INVALID_LINK_ID; | |
e5a359f8 EP |
2192 | wl12xx_allocate_rate_policy(wl, &wlvif->sta.basic_rate_idx); |
2193 | wl12xx_allocate_rate_policy(wl, &wlvif->sta.ap_rate_idx); | |
2194 | wl12xx_allocate_rate_policy(wl, &wlvif->sta.p2p_rate_idx); | |
001e39a8 | 2195 | wlcore_allocate_klv_template(wl, &wlvif->sta.klv_template_id); |
15e05bc0 LC |
2196 | wlvif->basic_rate_set = CONF_TX_RATE_MASK_BASIC; |
2197 | wlvif->basic_rate = CONF_TX_RATE_MASK_BASIC; | |
2198 | wlvif->rate_set = CONF_TX_RATE_MASK_BASIC; | |
e936bbe0 EP |
2199 | } else { |
2200 | /* init ap data */ | |
2201 | wlvif->ap.bcast_hlid = WL12XX_INVALID_LINK_ID; | |
2202 | wlvif->ap.global_hlid = WL12XX_INVALID_LINK_ID; | |
e5a359f8 EP |
2203 | wl12xx_allocate_rate_policy(wl, &wlvif->ap.mgmt_rate_idx); |
2204 | wl12xx_allocate_rate_policy(wl, &wlvif->ap.bcast_rate_idx); | |
2205 | for (i = 0; i < CONF_TX_MAX_AC_COUNT; i++) | |
2206 | wl12xx_allocate_rate_policy(wl, | |
2207 | &wlvif->ap.ucast_rate_idx[i]); | |
42ec1f82 | 2208 | wlvif->basic_rate_set = CONF_TX_ENABLED_RATES; |
15e05bc0 LC |
2209 | /* |
2210 | * TODO: check if basic_rate shouldn't be | |
2211 | * wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); | |
2212 | * instead (the same thing for STA above). | |
2213 | */ | |
42ec1f82 | 2214 | wlvif->basic_rate = CONF_TX_ENABLED_RATES; |
15e05bc0 | 2215 | /* TODO: this seems to be used only for STA, check it */ |
42ec1f82 | 2216 | wlvif->rate_set = CONF_TX_ENABLED_RATES; |
e936bbe0 | 2217 | } |
a8ab39a4 | 2218 | |
83587505 EP |
2219 | wlvif->bitrate_masks[IEEE80211_BAND_2GHZ] = wl->conf.tx.basic_rate; |
2220 | wlvif->bitrate_masks[IEEE80211_BAND_5GHZ] = wl->conf.tx.basic_rate_5; | |
6a899796 EP |
2221 | wlvif->beacon_int = WL1271_DEFAULT_BEACON_INT; |
2222 | ||
1b92f15e EP |
2223 | /* |
2224 | * mac80211 configures some values globally, while we treat them | |
2225 | * per-interface. thus, on init, we have to copy them from wl | |
2226 | */ | |
2227 | wlvif->band = wl->band; | |
61f845f4 | 2228 | wlvif->channel = wl->channel; |
6bd65029 | 2229 | wlvif->power_level = wl->power_level; |
83d08d3f | 2230 | wlvif->channel_type = wl->channel_type; |
1b92f15e | 2231 | |
9eb599e9 EP |
2232 | INIT_WORK(&wlvif->rx_streaming_enable_work, |
2233 | wl1271_rx_streaming_enable_work); | |
2234 | INIT_WORK(&wlvif->rx_streaming_disable_work, | |
2235 | wl1271_rx_streaming_disable_work); | |
c50a2825 EP |
2236 | INIT_DELAYED_WORK(&wlvif->channel_switch_work, |
2237 | wlcore_channel_switch_work); | |
2238 | INIT_DELAYED_WORK(&wlvif->connection_loss_work, | |
2239 | wlcore_connection_loss_work); | |
187e52cc AN |
2240 | INIT_DELAYED_WORK(&wlvif->pending_auth_complete_work, |
2241 | wlcore_pending_auth_complete_work); | |
87627214 | 2242 | INIT_LIST_HEAD(&wlvif->list); |
252efa4f | 2243 | |
9eb599e9 EP |
2244 | setup_timer(&wlvif->rx_streaming_timer, wl1271_rx_streaming_timer, |
2245 | (unsigned long) wlvif); | |
e936bbe0 | 2246 | return 0; |
87fbcb0f EP |
2247 | } |
2248 | ||
5dc283fe | 2249 | static int wl12xx_init_fw(struct wl1271 *wl) |
f5fc0f86 | 2250 | { |
9ccd9217 | 2251 | int retries = WL1271_BOOT_RETRIES; |
71125abd | 2252 | bool booted = false; |
1d095475 EP |
2253 | struct wiphy *wiphy = wl->hw->wiphy; |
2254 | int ret; | |
f5fc0f86 | 2255 | |
9ccd9217 JO |
2256 | while (retries) { |
2257 | retries--; | |
3fcdab70 | 2258 | ret = wl12xx_chip_wakeup(wl, false); |
9ccd9217 JO |
2259 | if (ret < 0) |
2260 | goto power_off; | |
f5fc0f86 | 2261 | |
dd5512eb | 2262 | ret = wl->ops->boot(wl); |
9ccd9217 JO |
2263 | if (ret < 0) |
2264 | goto power_off; | |
f5fc0f86 | 2265 | |
92c77c73 EP |
2266 | ret = wl1271_hw_init(wl); |
2267 | if (ret < 0) | |
2268 | goto irq_disable; | |
2269 | ||
71125abd EP |
2270 | booted = true; |
2271 | break; | |
eb5b28d0 | 2272 | |
9ccd9217 | 2273 | irq_disable: |
9ccd9217 JO |
2274 | mutex_unlock(&wl->mutex); |
2275 | /* Unlocking the mutex in the middle of handling is | |
2276 | inherently unsafe. In this case we deem it safe to do, | |
2277 | because we need to let any possibly pending IRQ out of | |
4cc53383 | 2278 | the system (and while we are WLCORE_STATE_OFF the IRQ |
9ccd9217 JO |
2279 | work function will not do anything.) Also, any other |
2280 | possible concurrent operations will fail due to the | |
2281 | current state, hence the wl1271 struct should be safe. */ | |
dd5512eb | 2282 | wlcore_disable_interrupts(wl); |
a620865e IY |
2283 | wl1271_flush_deferred_work(wl); |
2284 | cancel_work_sync(&wl->netstack_work); | |
9ccd9217 JO |
2285 | mutex_lock(&wl->mutex); |
2286 | power_off: | |
2287 | wl1271_power_off(wl); | |
2288 | } | |
eb5b28d0 | 2289 | |
71125abd EP |
2290 | if (!booted) { |
2291 | wl1271_error("firmware boot failed despite %d retries", | |
2292 | WL1271_BOOT_RETRIES); | |
2293 | goto out; | |
2294 | } | |
2295 | ||
4b7fac77 | 2296 | wl1271_info("firmware booted (%s)", wl->chip.fw_ver_str); |
71125abd EP |
2297 | |
2298 | /* update hw/fw version info in wiphy struct */ | |
2299 | wiphy->hw_version = wl->chip.id; | |
4b7fac77 | 2300 | strncpy(wiphy->fw_version, wl->chip.fw_ver_str, |
71125abd EP |
2301 | sizeof(wiphy->fw_version)); |
2302 | ||
fb6a6819 LC |
2303 | /* |
2304 | * Now we know if 11a is supported (info from the NVS), so disable | |
2305 | * 11a channels if not supported | |
2306 | */ | |
2307 | if (!wl->enable_11a) | |
2308 | wiphy->bands[IEEE80211_BAND_5GHZ]->n_channels = 0; | |
2309 | ||
2310 | wl1271_debug(DEBUG_MAC80211, "11a is %ssupported", | |
2311 | wl->enable_11a ? "" : "not "); | |
2312 | ||
4cc53383 | 2313 | wl->state = WLCORE_STATE_ON; |
1d095475 | 2314 | out: |
5dc283fe | 2315 | return ret; |
1d095475 EP |
2316 | } |
2317 | ||
92e712da EP |
2318 | static bool wl12xx_dev_role_started(struct wl12xx_vif *wlvif) |
2319 | { | |
2320 | return wlvif->dev_hlid != WL12XX_INVALID_LINK_ID; | |
2321 | } | |
2322 | ||
4549d09c EP |
2323 | /* |
2324 | * Check whether a fw switch (i.e. moving from one loaded | |
2325 | * fw to another) is needed. This function is also responsible | |
2326 | * for updating wl->last_vif_count, so it must be called before | |
2327 | * loading a non-plt fw (so the correct fw (single-role/multi-role) | |
2328 | * will be used). | |
2329 | */ | |
2330 | static bool wl12xx_need_fw_change(struct wl1271 *wl, | |
2331 | struct vif_counter_data vif_counter_data, | |
2332 | bool add) | |
2333 | { | |
2334 | enum wl12xx_fw_type current_fw = wl->fw_type; | |
2335 | u8 vif_count = vif_counter_data.counter; | |
2336 | ||
2337 | if (test_bit(WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, &wl->flags)) | |
2338 | return false; | |
2339 | ||
2340 | /* increase the vif count if this is a new vif */ | |
2341 | if (add && !vif_counter_data.cur_vif_running) | |
2342 | vif_count++; | |
2343 | ||
2344 | wl->last_vif_count = vif_count; | |
2345 | ||
2346 | /* no need for fw change if the device is OFF */ | |
4cc53383 | 2347 | if (wl->state == WLCORE_STATE_OFF) |
4549d09c EP |
2348 | return false; |
2349 | ||
9b1a0a77 EP |
2350 | /* no need for fw change if a single fw is used */ |
2351 | if (!wl->mr_fw_name) | |
2352 | return false; | |
2353 | ||
4549d09c EP |
2354 | if (vif_count > 1 && current_fw == WL12XX_FW_TYPE_NORMAL) |
2355 | return true; | |
2356 | if (vif_count <= 1 && current_fw == WL12XX_FW_TYPE_MULTI) | |
2357 | return true; | |
2358 | ||
2359 | return false; | |
2360 | } | |
2361 | ||
3dee4393 EP |
2362 | /* |
2363 | * Enter "forced psm". Make sure the sta is in psm against the ap, | |
2364 | * to make the fw switch a bit more disconnection-persistent. | |
2365 | */ | |
2366 | static void wl12xx_force_active_psm(struct wl1271 *wl) | |
2367 | { | |
2368 | struct wl12xx_vif *wlvif; | |
2369 | ||
2370 | wl12xx_for_each_wlvif_sta(wl, wlvif) { | |
2371 | wl1271_ps_set_mode(wl, wlvif, STATION_POWER_SAVE_MODE); | |
2372 | } | |
2373 | } | |
2374 | ||
1c33db78 AN |
2375 | struct wlcore_hw_queue_iter_data { |
2376 | unsigned long hw_queue_map[BITS_TO_LONGS(WLCORE_NUM_MAC_ADDRESSES)]; | |
2377 | /* current vif */ | |
2378 | struct ieee80211_vif *vif; | |
2379 | /* is the current vif among those iterated */ | |
2380 | bool cur_running; | |
2381 | }; | |
2382 | ||
2383 | static void wlcore_hw_queue_iter(void *data, u8 *mac, | |
2384 | struct ieee80211_vif *vif) | |
2385 | { | |
2386 | struct wlcore_hw_queue_iter_data *iter_data = data; | |
2387 | ||
2388 | if (WARN_ON_ONCE(vif->hw_queue[0] == IEEE80211_INVAL_HW_QUEUE)) | |
2389 | return; | |
2390 | ||
2391 | if (iter_data->cur_running || vif == iter_data->vif) { | |
2392 | iter_data->cur_running = true; | |
2393 | return; | |
2394 | } | |
2395 | ||
2396 | __set_bit(vif->hw_queue[0] / NUM_TX_QUEUES, iter_data->hw_queue_map); | |
2397 | } | |
2398 | ||
2399 | static int wlcore_allocate_hw_queue_base(struct wl1271 *wl, | |
2400 | struct wl12xx_vif *wlvif) | |
2401 | { | |
2402 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); | |
2403 | struct wlcore_hw_queue_iter_data iter_data = {}; | |
2404 | int i, q_base; | |
2405 | ||
2406 | iter_data.vif = vif; | |
2407 | ||
2408 | /* mark all bits taken by active interfaces */ | |
2409 | ieee80211_iterate_active_interfaces_atomic(wl->hw, | |
2410 | IEEE80211_IFACE_ITER_RESUME_ALL, | |
2411 | wlcore_hw_queue_iter, &iter_data); | |
2412 | ||
2413 | /* the current vif is already running in mac80211 (resume/recovery) */ | |
2414 | if (iter_data.cur_running) { | |
2415 | wlvif->hw_queue_base = vif->hw_queue[0]; | |
2416 | wl1271_debug(DEBUG_MAC80211, | |
2417 | "using pre-allocated hw queue base %d", | |
2418 | wlvif->hw_queue_base); | |
2419 | ||
2420 | /* interface type might have changed type */ | |
2421 | goto adjust_cab_queue; | |
2422 | } | |
2423 | ||
2424 | q_base = find_first_zero_bit(iter_data.hw_queue_map, | |
2425 | WLCORE_NUM_MAC_ADDRESSES); | |
2426 | if (q_base >= WLCORE_NUM_MAC_ADDRESSES) | |
2427 | return -EBUSY; | |
2428 | ||
2429 | wlvif->hw_queue_base = q_base * NUM_TX_QUEUES; | |
2430 | wl1271_debug(DEBUG_MAC80211, "allocating hw queue base: %d", | |
2431 | wlvif->hw_queue_base); | |
2432 | ||
2433 | for (i = 0; i < NUM_TX_QUEUES; i++) { | |
2434 | wl->queue_stop_reasons[wlvif->hw_queue_base + i] = 0; | |
2435 | /* register hw queues in mac80211 */ | |
2436 | vif->hw_queue[i] = wlvif->hw_queue_base + i; | |
2437 | } | |
2438 | ||
2439 | adjust_cab_queue: | |
2440 | /* the last places are reserved for cab queues per interface */ | |
2441 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) | |
2442 | vif->cab_queue = NUM_TX_QUEUES * WLCORE_NUM_MAC_ADDRESSES + | |
2443 | wlvif->hw_queue_base / NUM_TX_QUEUES; | |
2444 | else | |
2445 | vif->cab_queue = IEEE80211_INVAL_HW_QUEUE; | |
2446 | ||
2447 | return 0; | |
2448 | } | |
2449 | ||
1d095475 EP |
2450 | static int wl1271_op_add_interface(struct ieee80211_hw *hw, |
2451 | struct ieee80211_vif *vif) | |
2452 | { | |
2453 | struct wl1271 *wl = hw->priv; | |
2454 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
4549d09c | 2455 | struct vif_counter_data vif_count; |
1d095475 EP |
2456 | int ret = 0; |
2457 | u8 role_type; | |
1d095475 | 2458 | |
dd491ffb YS |
2459 | if (wl->plt) { |
2460 | wl1271_error("Adding Interface not allowed while in PLT mode"); | |
2461 | return -EBUSY; | |
2462 | } | |
2463 | ||
ea086359 JB |
2464 | vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | |
2465 | IEEE80211_VIF_SUPPORTS_CQM_RSSI; | |
c1288b12 | 2466 | |
1d095475 EP |
2467 | wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", |
2468 | ieee80211_vif_type_p2p(vif), vif->addr); | |
2469 | ||
4549d09c EP |
2470 | wl12xx_get_vif_count(hw, vif, &vif_count); |
2471 | ||
1d095475 | 2472 | mutex_lock(&wl->mutex); |
f750c820 EP |
2473 | ret = wl1271_ps_elp_wakeup(wl); |
2474 | if (ret < 0) | |
2475 | goto out_unlock; | |
2476 | ||
1d095475 EP |
2477 | /* |
2478 | * in some very corner case HW recovery scenarios its possible to | |
2479 | * get here before __wl1271_op_remove_interface is complete, so | |
2480 | * opt out if that is the case. | |
2481 | */ | |
10c8cd01 EP |
2482 | if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags) || |
2483 | test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) { | |
1d095475 EP |
2484 | ret = -EBUSY; |
2485 | goto out; | |
2486 | } | |
2487 | ||
3fcdab70 | 2488 | |
83587505 | 2489 | ret = wl12xx_init_vif_data(wl, vif); |
1d095475 EP |
2490 | if (ret < 0) |
2491 | goto out; | |
2492 | ||
2493 | wlvif->wl = wl; | |
2494 | role_type = wl12xx_get_role_type(wl, wlvif); | |
2495 | if (role_type == WL12XX_INVALID_ROLE_TYPE) { | |
2496 | ret = -EINVAL; | |
2497 | goto out; | |
2498 | } | |
2499 | ||
1c33db78 AN |
2500 | ret = wlcore_allocate_hw_queue_base(wl, wlvif); |
2501 | if (ret < 0) | |
2502 | goto out; | |
2503 | ||
4549d09c | 2504 | if (wl12xx_need_fw_change(wl, vif_count, true)) { |
3dee4393 | 2505 | wl12xx_force_active_psm(wl); |
e9ba7152 | 2506 | set_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags); |
4549d09c EP |
2507 | mutex_unlock(&wl->mutex); |
2508 | wl1271_recovery_work(&wl->recovery_work); | |
2509 | return 0; | |
2510 | } | |
2511 | ||
1d095475 EP |
2512 | /* |
2513 | * TODO: after the nvs issue will be solved, move this block | |
2514 | * to start(), and make sure here the driver is ON. | |
2515 | */ | |
4cc53383 | 2516 | if (wl->state == WLCORE_STATE_OFF) { |
1d095475 EP |
2517 | /* |
2518 | * we still need this in order to configure the fw | |
2519 | * while uploading the nvs | |
2520 | */ | |
5e037e74 | 2521 | memcpy(wl->addresses[0].addr, vif->addr, ETH_ALEN); |
1d095475 | 2522 | |
5dc283fe LC |
2523 | ret = wl12xx_init_fw(wl); |
2524 | if (ret < 0) | |
1d095475 | 2525 | goto out; |
1d095475 EP |
2526 | } |
2527 | ||
1d095475 EP |
2528 | ret = wl12xx_cmd_role_enable(wl, vif->addr, |
2529 | role_type, &wlvif->role_id); | |
2530 | if (ret < 0) | |
2531 | goto out; | |
2532 | ||
2533 | ret = wl1271_init_vif_specific(wl, vif); | |
2534 | if (ret < 0) | |
2535 | goto out; | |
2536 | ||
87627214 | 2537 | list_add(&wlvif->list, &wl->wlvif_list); |
10c8cd01 | 2538 | set_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags); |
a4e4130d EP |
2539 | |
2540 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) | |
2541 | wl->ap_count++; | |
2542 | else | |
2543 | wl->sta_count++; | |
eb5b28d0 | 2544 | out: |
f750c820 EP |
2545 | wl1271_ps_elp_sleep(wl); |
2546 | out_unlock: | |
f5fc0f86 LC |
2547 | mutex_unlock(&wl->mutex); |
2548 | ||
2549 | return ret; | |
2550 | } | |
2551 | ||
7dece1c8 | 2552 | static void __wl1271_op_remove_interface(struct wl1271 *wl, |
536129c8 | 2553 | struct ieee80211_vif *vif, |
7dece1c8 | 2554 | bool reset_tx_queues) |
f5fc0f86 | 2555 | { |
536129c8 | 2556 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
e5a359f8 | 2557 | int i, ret; |
2f18cf7c | 2558 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); |
f5fc0f86 | 2559 | |
1b72aecd | 2560 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); |
f5fc0f86 | 2561 | |
10c8cd01 EP |
2562 | if (!test_and_clear_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) |
2563 | return; | |
2564 | ||
13026dec | 2565 | /* because of hardware recovery, we may get here twice */ |
4cc53383 | 2566 | if (wl->state == WLCORE_STATE_OFF) |
13026dec JO |
2567 | return; |
2568 | ||
1b72aecd | 2569 | wl1271_info("down"); |
f5fc0f86 | 2570 | |
baf6277a | 2571 | if (wl->scan.state != WL1271_SCAN_STATE_IDLE && |
c50a2825 | 2572 | wl->scan_wlvif == wlvif) { |
55df5afb AN |
2573 | /* |
2574 | * Rearm the tx watchdog just before idling scan. This | |
2575 | * prevents just-finished scans from triggering the watchdog | |
2576 | */ | |
2577 | wl12xx_rearm_tx_watchdog_locked(wl); | |
2578 | ||
08688d6b | 2579 | wl->scan.state = WL1271_SCAN_STATE_IDLE; |
4a31c11c | 2580 | memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); |
c50a2825 | 2581 | wl->scan_wlvif = NULL; |
b739a42c | 2582 | wl->scan.req = NULL; |
76a029fb | 2583 | ieee80211_scan_completed(wl->hw, true); |
f5fc0f86 LC |
2584 | } |
2585 | ||
5a441f5f | 2586 | if (wl->sched_vif == wlvif) |
10199756 | 2587 | wl->sched_vif = NULL; |
10199756 | 2588 | |
5d979f35 AN |
2589 | if (wl->roc_vif == vif) { |
2590 | wl->roc_vif = NULL; | |
2591 | ieee80211_remain_on_channel_expired(wl->hw); | |
2592 | } | |
2593 | ||
b78b47eb EP |
2594 | if (!test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) { |
2595 | /* disable active roles */ | |
2596 | ret = wl1271_ps_elp_wakeup(wl); | |
2597 | if (ret < 0) | |
2598 | goto deinit; | |
2599 | ||
b890f4c3 EP |
2600 | if (wlvif->bss_type == BSS_TYPE_STA_BSS || |
2601 | wlvif->bss_type == BSS_TYPE_IBSS) { | |
2602 | if (wl12xx_dev_role_started(wlvif)) | |
2603 | wl12xx_stop_dev(wl, wlvif); | |
04e8079c EP |
2604 | } |
2605 | ||
0603d891 | 2606 | ret = wl12xx_cmd_role_disable(wl, &wlvif->role_id); |
b78b47eb EP |
2607 | if (ret < 0) |
2608 | goto deinit; | |
2609 | ||
2610 | wl1271_ps_elp_sleep(wl); | |
2611 | } | |
2612 | deinit: | |
5a99610c AN |
2613 | wl12xx_tx_reset_wlvif(wl, wlvif); |
2614 | ||
e51ae9be | 2615 | /* clear all hlids (except system_hlid) */ |
afaf8bdb | 2616 | wlvif->dev_hlid = WL12XX_INVALID_LINK_ID; |
e5a359f8 EP |
2617 | |
2618 | if (wlvif->bss_type == BSS_TYPE_STA_BSS || | |
2619 | wlvif->bss_type == BSS_TYPE_IBSS) { | |
2620 | wlvif->sta.hlid = WL12XX_INVALID_LINK_ID; | |
2621 | wl12xx_free_rate_policy(wl, &wlvif->sta.basic_rate_idx); | |
2622 | wl12xx_free_rate_policy(wl, &wlvif->sta.ap_rate_idx); | |
2623 | wl12xx_free_rate_policy(wl, &wlvif->sta.p2p_rate_idx); | |
001e39a8 | 2624 | wlcore_free_klv_template(wl, &wlvif->sta.klv_template_id); |
e5a359f8 EP |
2625 | } else { |
2626 | wlvif->ap.bcast_hlid = WL12XX_INVALID_LINK_ID; | |
2627 | wlvif->ap.global_hlid = WL12XX_INVALID_LINK_ID; | |
2628 | wl12xx_free_rate_policy(wl, &wlvif->ap.mgmt_rate_idx); | |
2629 | wl12xx_free_rate_policy(wl, &wlvif->ap.bcast_rate_idx); | |
2630 | for (i = 0; i < CONF_TX_MAX_AC_COUNT; i++) | |
2631 | wl12xx_free_rate_policy(wl, | |
2632 | &wlvif->ap.ucast_rate_idx[i]); | |
830be7e0 | 2633 | wl1271_free_ap_keys(wl, wlvif); |
e5a359f8 | 2634 | } |
b78b47eb | 2635 | |
3eba4a0e ES |
2636 | dev_kfree_skb(wlvif->probereq); |
2637 | wlvif->probereq = NULL; | |
e4120df9 EP |
2638 | if (wl->last_wlvif == wlvif) |
2639 | wl->last_wlvif = NULL; | |
87627214 | 2640 | list_del(&wlvif->list); |
c7ffb902 | 2641 | memset(wlvif->ap.sta_hlid_map, 0, sizeof(wlvif->ap.sta_hlid_map)); |
0603d891 | 2642 | wlvif->role_id = WL12XX_INVALID_ROLE_ID; |
7edebf56 | 2643 | wlvif->dev_role_id = WL12XX_INVALID_ROLE_ID; |
d6e19d13 | 2644 | |
2f18cf7c | 2645 | if (is_ap) |
a4e4130d EP |
2646 | wl->ap_count--; |
2647 | else | |
2648 | wl->sta_count--; | |
2649 | ||
42066f9a AN |
2650 | /* |
2651 | * Last AP, have more stations. Configure sleep auth according to STA. | |
2652 | * Don't do thin on unintended recovery. | |
2653 | */ | |
2654 | if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags) && | |
2655 | !test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags)) | |
2656 | goto unlock; | |
2657 | ||
71e996be EP |
2658 | if (wl->ap_count == 0 && is_ap) { |
2659 | /* mask ap events */ | |
2660 | wl->event_mask &= ~wl->ap_event_mask; | |
2661 | wl1271_event_unmask(wl); | |
2662 | } | |
2663 | ||
2f18cf7c AN |
2664 | if (wl->ap_count == 0 && is_ap && wl->sta_count) { |
2665 | u8 sta_auth = wl->conf.conn.sta_sleep_auth; | |
2666 | /* Configure for power according to debugfs */ | |
2667 | if (sta_auth != WL1271_PSM_ILLEGAL) | |
2668 | wl1271_acx_sleep_auth(wl, sta_auth); | |
2f18cf7c AN |
2669 | /* Configure for ELP power saving */ |
2670 | else | |
2671 | wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP); | |
2672 | } | |
2673 | ||
42066f9a | 2674 | unlock: |
baf6277a | 2675 | mutex_unlock(&wl->mutex); |
d6bf9ada | 2676 | |
9eb599e9 EP |
2677 | del_timer_sync(&wlvif->rx_streaming_timer); |
2678 | cancel_work_sync(&wlvif->rx_streaming_enable_work); | |
2679 | cancel_work_sync(&wlvif->rx_streaming_disable_work); | |
c50a2825 | 2680 | cancel_delayed_work_sync(&wlvif->connection_loss_work); |
c838478b | 2681 | cancel_delayed_work_sync(&wlvif->channel_switch_work); |
187e52cc | 2682 | cancel_delayed_work_sync(&wlvif->pending_auth_complete_work); |
bd9dc49c | 2683 | |
baf6277a | 2684 | mutex_lock(&wl->mutex); |
52a2a375 | 2685 | } |
bd9dc49c | 2686 | |
52a2a375 JO |
2687 | static void wl1271_op_remove_interface(struct ieee80211_hw *hw, |
2688 | struct ieee80211_vif *vif) | |
2689 | { | |
2690 | struct wl1271 *wl = hw->priv; | |
10c8cd01 | 2691 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
6e8cd331 | 2692 | struct wl12xx_vif *iter; |
4549d09c | 2693 | struct vif_counter_data vif_count; |
52a2a375 | 2694 | |
4549d09c | 2695 | wl12xx_get_vif_count(hw, vif, &vif_count); |
52a2a375 | 2696 | mutex_lock(&wl->mutex); |
10c8cd01 | 2697 | |
4cc53383 | 2698 | if (wl->state == WLCORE_STATE_OFF || |
10c8cd01 EP |
2699 | !test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) |
2700 | goto out; | |
2701 | ||
67353299 JO |
2702 | /* |
2703 | * wl->vif can be null here if someone shuts down the interface | |
2704 | * just when hardware recovery has been started. | |
2705 | */ | |
6e8cd331 EP |
2706 | wl12xx_for_each_wlvif(wl, iter) { |
2707 | if (iter != wlvif) | |
2708 | continue; | |
2709 | ||
536129c8 | 2710 | __wl1271_op_remove_interface(wl, vif, true); |
6e8cd331 | 2711 | break; |
67353299 | 2712 | } |
6e8cd331 | 2713 | WARN_ON(iter != wlvif); |
4549d09c | 2714 | if (wl12xx_need_fw_change(wl, vif_count, false)) { |
3dee4393 | 2715 | wl12xx_force_active_psm(wl); |
e9ba7152 | 2716 | set_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags); |
4549d09c | 2717 | wl12xx_queue_recovery_work(wl); |
4549d09c | 2718 | } |
10c8cd01 | 2719 | out: |
67353299 | 2720 | mutex_unlock(&wl->mutex); |
f5fc0f86 LC |
2721 | } |
2722 | ||
c0fad1b7 EP |
2723 | static int wl12xx_op_change_interface(struct ieee80211_hw *hw, |
2724 | struct ieee80211_vif *vif, | |
2725 | enum nl80211_iftype new_type, bool p2p) | |
2726 | { | |
4549d09c EP |
2727 | struct wl1271 *wl = hw->priv; |
2728 | int ret; | |
2729 | ||
2730 | set_bit(WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, &wl->flags); | |
c0fad1b7 EP |
2731 | wl1271_op_remove_interface(hw, vif); |
2732 | ||
249e9698 | 2733 | vif->type = new_type; |
c0fad1b7 | 2734 | vif->p2p = p2p; |
4549d09c EP |
2735 | ret = wl1271_op_add_interface(hw, vif); |
2736 | ||
2737 | clear_bit(WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, &wl->flags); | |
2738 | return ret; | |
c0fad1b7 EP |
2739 | } |
2740 | ||
3230f35e | 2741 | static int wlcore_join(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
82429d32 JO |
2742 | { |
2743 | int ret; | |
536129c8 | 2744 | bool is_ibss = (wlvif->bss_type == BSS_TYPE_IBSS); |
82429d32 | 2745 | |
69e5434c JO |
2746 | /* |
2747 | * One of the side effects of the JOIN command is that is clears | |
2748 | * WPA/WPA2 keys from the chipset. Performing a JOIN while associated | |
2749 | * to a WPA/WPA2 access point will therefore kill the data-path. | |
8bf69aae OBC |
2750 | * Currently the only valid scenario for JOIN during association |
2751 | * is on roaming, in which case we will also be given new keys. | |
2752 | * Keep the below message for now, unless it starts bothering | |
2753 | * users who really like to roam a lot :) | |
69e5434c | 2754 | */ |
ba8447f6 | 2755 | if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
69e5434c JO |
2756 | wl1271_info("JOIN while associated."); |
2757 | ||
5ec8a448 EP |
2758 | /* clear encryption type */ |
2759 | wlvif->encryption_type = KEY_NONE; | |
2760 | ||
227e81e1 | 2761 | if (is_ibss) |
87fbcb0f | 2762 | ret = wl12xx_cmd_role_start_ibss(wl, wlvif); |
18eab430 EP |
2763 | else { |
2764 | if (wl->quirks & WLCORE_QUIRK_START_STA_FAILS) { | |
2765 | /* | |
2766 | * TODO: this is an ugly workaround for wl12xx fw | |
2767 | * bug - we are not able to tx/rx after the first | |
2768 | * start_sta, so make dummy start+stop calls, | |
2769 | * and then call start_sta again. | |
2770 | * this should be fixed in the fw. | |
2771 | */ | |
2772 | wl12xx_cmd_role_start_sta(wl, wlvif); | |
2773 | wl12xx_cmd_role_stop_sta(wl, wlvif); | |
2774 | } | |
2775 | ||
87fbcb0f | 2776 | ret = wl12xx_cmd_role_start_sta(wl, wlvif); |
18eab430 | 2777 | } |
3230f35e EP |
2778 | |
2779 | return ret; | |
2780 | } | |
2781 | ||
2782 | static int wl1271_ssid_set(struct wl12xx_vif *wlvif, struct sk_buff *skb, | |
2783 | int offset) | |
2784 | { | |
2785 | u8 ssid_len; | |
2786 | const u8 *ptr = cfg80211_find_ie(WLAN_EID_SSID, skb->data + offset, | |
2787 | skb->len - offset); | |
2788 | ||
2789 | if (!ptr) { | |
2790 | wl1271_error("No SSID in IEs!"); | |
2791 | return -ENOENT; | |
2792 | } | |
2793 | ||
2794 | ssid_len = ptr[1]; | |
2795 | if (ssid_len > IEEE80211_MAX_SSID_LEN) { | |
2796 | wl1271_error("SSID is too long!"); | |
2797 | return -EINVAL; | |
2798 | } | |
2799 | ||
2800 | wlvif->ssid_len = ssid_len; | |
2801 | memcpy(wlvif->ssid, ptr+2, ssid_len); | |
2802 | return 0; | |
2803 | } | |
2804 | ||
2805 | static int wlcore_set_ssid(struct wl1271 *wl, struct wl12xx_vif *wlvif) | |
2806 | { | |
2807 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); | |
2808 | struct sk_buff *skb; | |
2809 | int ieoffset; | |
2810 | ||
2811 | /* we currently only support setting the ssid from the ap probe req */ | |
2812 | if (wlvif->bss_type != BSS_TYPE_STA_BSS) | |
2813 | return -EINVAL; | |
2814 | ||
2815 | skb = ieee80211_ap_probereq_get(wl->hw, vif); | |
2816 | if (!skb) | |
2817 | return -EINVAL; | |
2818 | ||
2819 | ieoffset = offsetof(struct ieee80211_mgmt, | |
2820 | u.probe_req.variable); | |
2821 | wl1271_ssid_set(wlvif, skb, ieoffset); | |
2822 | dev_kfree_skb(skb); | |
2823 | ||
2824 | return 0; | |
2825 | } | |
2826 | ||
2827 | static int wlcore_set_assoc(struct wl1271 *wl, struct wl12xx_vif *wlvif, | |
ec87011a EP |
2828 | struct ieee80211_bss_conf *bss_conf, |
2829 | u32 sta_rate_set) | |
3230f35e EP |
2830 | { |
2831 | int ieoffset; | |
2832 | int ret; | |
2833 | ||
2834 | wlvif->aid = bss_conf->aid; | |
aaabee8b | 2835 | wlvif->channel_type = cfg80211_get_chandef_type(&bss_conf->chandef); |
3230f35e | 2836 | wlvif->beacon_int = bss_conf->beacon_int; |
d50529c0 | 2837 | wlvif->wmm_enabled = bss_conf->qos; |
3230f35e EP |
2838 | |
2839 | set_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags); | |
2840 | ||
2841 | /* | |
2842 | * with wl1271, we don't need to update the | |
2843 | * beacon_int and dtim_period, because the firmware | |
2844 | * updates it by itself when the first beacon is | |
2845 | * received after a join. | |
2846 | */ | |
2847 | ret = wl1271_cmd_build_ps_poll(wl, wlvif, wlvif->aid); | |
82429d32 | 2848 | if (ret < 0) |
3230f35e | 2849 | return ret; |
82429d32 | 2850 | |
3230f35e EP |
2851 | /* |
2852 | * Get a template for hardware connection maintenance | |
2853 | */ | |
2854 | dev_kfree_skb(wlvif->probereq); | |
2855 | wlvif->probereq = wl1271_cmd_build_ap_probe_req(wl, | |
2856 | wlvif, | |
2857 | NULL); | |
2858 | ieoffset = offsetof(struct ieee80211_mgmt, | |
2859 | u.probe_req.variable); | |
2860 | wl1271_ssid_set(wlvif, wlvif->probereq, ieoffset); | |
2861 | ||
2862 | /* enable the connection monitoring feature */ | |
2863 | ret = wl1271_acx_conn_monit_params(wl, wlvif, true); | |
2864 | if (ret < 0) | |
2865 | return ret; | |
82429d32 JO |
2866 | |
2867 | /* | |
2868 | * The join command disable the keep-alive mode, shut down its process, | |
2869 | * and also clear the template config, so we need to reset it all after | |
2870 | * the join. The acx_aid starts the keep-alive process, and the order | |
2871 | * of the commands below is relevant. | |
2872 | */ | |
0603d891 | 2873 | ret = wl1271_acx_keep_alive_mode(wl, wlvif, true); |
82429d32 | 2874 | if (ret < 0) |
3230f35e | 2875 | return ret; |
82429d32 | 2876 | |
0603d891 | 2877 | ret = wl1271_acx_aid(wl, wlvif, wlvif->aid); |
82429d32 | 2878 | if (ret < 0) |
3230f35e | 2879 | return ret; |
82429d32 | 2880 | |
d2d66c56 | 2881 | ret = wl12xx_cmd_build_klv_null_data(wl, wlvif); |
82429d32 | 2882 | if (ret < 0) |
3230f35e | 2883 | return ret; |
82429d32 | 2884 | |
0603d891 | 2885 | ret = wl1271_acx_keep_alive_config(wl, wlvif, |
001e39a8 | 2886 | wlvif->sta.klv_template_id, |
82429d32 JO |
2887 | ACX_KEEP_ALIVE_TPL_VALID); |
2888 | if (ret < 0) | |
3230f35e | 2889 | return ret; |
82429d32 | 2890 | |
6c7b5194 EP |
2891 | /* |
2892 | * The default fw psm configuration is AUTO, while mac80211 default | |
2893 | * setting is off (ACTIVE), so sync the fw with the correct value. | |
2894 | */ | |
2895 | ret = wl1271_ps_set_mode(wl, wlvif, STATION_ACTIVE_MODE); | |
ec87011a EP |
2896 | if (ret < 0) |
2897 | return ret; | |
2898 | ||
2899 | if (sta_rate_set) { | |
2900 | wlvif->rate_set = | |
2901 | wl1271_tx_enabled_rates_get(wl, | |
2902 | sta_rate_set, | |
2903 | wlvif->band); | |
2904 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); | |
2905 | if (ret < 0) | |
2906 | return ret; | |
2907 | } | |
82429d32 | 2908 | |
82429d32 JO |
2909 | return ret; |
2910 | } | |
2911 | ||
3230f35e | 2912 | static int wlcore_unset_assoc(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
c7f43e45 LC |
2913 | { |
2914 | int ret; | |
3230f35e EP |
2915 | bool sta = wlvif->bss_type == BSS_TYPE_STA_BSS; |
2916 | ||
2917 | /* make sure we are connected (sta) joined */ | |
2918 | if (sta && | |
2919 | !test_and_clear_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) | |
2920 | return false; | |
2921 | ||
2922 | /* make sure we are joined (ibss) */ | |
2923 | if (!sta && | |
2924 | test_and_clear_bit(WLVIF_FLAG_IBSS_JOINED, &wlvif->flags)) | |
2925 | return false; | |
2926 | ||
2927 | if (sta) { | |
2928 | /* use defaults when not associated */ | |
2929 | wlvif->aid = 0; | |
2930 | ||
2931 | /* free probe-request template */ | |
2932 | dev_kfree_skb(wlvif->probereq); | |
2933 | wlvif->probereq = NULL; | |
2934 | ||
2935 | /* disable connection monitor features */ | |
2936 | ret = wl1271_acx_conn_monit_params(wl, wlvif, false); | |
2937 | if (ret < 0) | |
2938 | return ret; | |
2939 | ||
2940 | /* Disable the keep-alive feature */ | |
2941 | ret = wl1271_acx_keep_alive_mode(wl, wlvif, false); | |
2942 | if (ret < 0) | |
2943 | return ret; | |
d881fa2c EP |
2944 | |
2945 | /* disable beacon filtering */ | |
2946 | ret = wl1271_acx_beacon_filter_opt(wl, wlvif, false); | |
2947 | if (ret < 0) | |
2948 | return ret; | |
3230f35e | 2949 | } |
c7f43e45 | 2950 | |
52630c5d | 2951 | if (test_and_clear_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags)) { |
6e8cd331 EP |
2952 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
2953 | ||
fcab1890 | 2954 | wl12xx_cmd_stop_channel_switch(wl, wlvif); |
6e8cd331 | 2955 | ieee80211_chswitch_done(vif, false); |
c50a2825 | 2956 | cancel_delayed_work(&wlvif->channel_switch_work); |
6d158ff3 SL |
2957 | } |
2958 | ||
4137c17c EP |
2959 | /* invalidate keep-alive template */ |
2960 | wl1271_acx_keep_alive_config(wl, wlvif, | |
001e39a8 | 2961 | wlvif->sta.klv_template_id, |
4137c17c EP |
2962 | ACX_KEEP_ALIVE_TPL_INVALID); |
2963 | ||
3230f35e | 2964 | return 0; |
c7f43e45 LC |
2965 | } |
2966 | ||
87fbcb0f | 2967 | static void wl1271_set_band_rate(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
ebba60c6 | 2968 | { |
1b92f15e | 2969 | wlvif->basic_rate_set = wlvif->bitrate_masks[wlvif->band]; |
30d0c8fd | 2970 | wlvif->rate_set = wlvif->basic_rate_set; |
ebba60c6 JO |
2971 | } |
2972 | ||
b0ed8a4d AN |
2973 | static void wl1271_sta_handle_idle(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
2974 | bool idle) | |
2975 | { | |
2976 | bool cur_idle = !test_bit(WLVIF_FLAG_ACTIVE, &wlvif->flags); | |
2977 | ||
2978 | if (idle == cur_idle) | |
2979 | return; | |
2980 | ||
2981 | if (idle) { | |
2982 | clear_bit(WLVIF_FLAG_ACTIVE, &wlvif->flags); | |
2983 | } else { | |
2984 | /* The current firmware only supports sched_scan in idle */ | |
2985 | if (wl->sched_vif == wlvif) | |
2986 | wl->ops->sched_scan_stop(wl, wlvif); | |
2987 | ||
2988 | set_bit(WLVIF_FLAG_ACTIVE, &wlvif->flags); | |
2989 | } | |
2990 | } | |
2991 | ||
9f259c4e EP |
2992 | static int wl12xx_config_vif(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
2993 | struct ieee80211_conf *conf, u32 changed) | |
0d58cbff JO |
2994 | { |
2995 | int ret; | |
2996 | ||
6bd65029 | 2997 | if (conf->power_level != wlvif->power_level) { |
0603d891 | 2998 | ret = wl1271_acx_tx_power(wl, wlvif, conf->power_level); |
0d58cbff | 2999 | if (ret < 0) |
9f259c4e | 3000 | return ret; |
33c2c06c | 3001 | |
6bd65029 | 3002 | wlvif->power_level = conf->power_level; |
0d58cbff JO |
3003 | } |
3004 | ||
9f259c4e | 3005 | return 0; |
0d58cbff JO |
3006 | } |
3007 | ||
9f259c4e | 3008 | static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) |
f5fc0f86 | 3009 | { |
9f259c4e EP |
3010 | struct wl1271 *wl = hw->priv; |
3011 | struct wl12xx_vif *wlvif; | |
3012 | struct ieee80211_conf *conf = &hw->conf; | |
b6970ee5 | 3013 | int ret = 0; |
f5fc0f86 | 3014 | |
b6970ee5 | 3015 | wl1271_debug(DEBUG_MAC80211, "mac80211 config psm %s power %d %s" |
9f259c4e | 3016 | " changed 0x%x", |
9f259c4e EP |
3017 | conf->flags & IEEE80211_CONF_PS ? "on" : "off", |
3018 | conf->power_level, | |
3019 | conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use", | |
3020 | changed); | |
3021 | ||
9f259c4e EP |
3022 | mutex_lock(&wl->mutex); |
3023 | ||
9f259c4e EP |
3024 | if (changed & IEEE80211_CONF_CHANGE_POWER) |
3025 | wl->power_level = conf->power_level; | |
3026 | ||
4cc53383 | 3027 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
9f259c4e EP |
3028 | goto out; |
3029 | ||
3030 | ret = wl1271_ps_elp_wakeup(wl); | |
3031 | if (ret < 0) | |
3032 | goto out; | |
3033 | ||
3034 | /* configure each interface */ | |
3035 | wl12xx_for_each_wlvif(wl, wlvif) { | |
3036 | ret = wl12xx_config_vif(wl, wlvif, conf, changed); | |
3037 | if (ret < 0) | |
3038 | goto out_sleep; | |
3039 | } | |
3040 | ||
f5fc0f86 LC |
3041 | out_sleep: |
3042 | wl1271_ps_elp_sleep(wl); | |
3043 | ||
3044 | out: | |
3045 | mutex_unlock(&wl->mutex); | |
3046 | ||
3047 | return ret; | |
3048 | } | |
3049 | ||
b54853f1 JO |
3050 | struct wl1271_filter_params { |
3051 | bool enabled; | |
3052 | int mc_list_length; | |
3053 | u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN]; | |
3054 | }; | |
3055 | ||
22bedad3 JP |
3056 | static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, |
3057 | struct netdev_hw_addr_list *mc_list) | |
c87dec9f | 3058 | { |
c87dec9f | 3059 | struct wl1271_filter_params *fp; |
22bedad3 | 3060 | struct netdev_hw_addr *ha; |
c87dec9f | 3061 | |
74441130 | 3062 | fp = kzalloc(sizeof(*fp), GFP_ATOMIC); |
c87dec9f JO |
3063 | if (!fp) { |
3064 | wl1271_error("Out of memory setting filters."); | |
3065 | return 0; | |
3066 | } | |
3067 | ||
3068 | /* update multicast filtering parameters */ | |
c87dec9f | 3069 | fp->mc_list_length = 0; |
22bedad3 JP |
3070 | if (netdev_hw_addr_list_count(mc_list) > ACX_MC_ADDRESS_GROUP_MAX) { |
3071 | fp->enabled = false; | |
3072 | } else { | |
3073 | fp->enabled = true; | |
3074 | netdev_hw_addr_list_for_each(ha, mc_list) { | |
c87dec9f | 3075 | memcpy(fp->mc_list[fp->mc_list_length], |
22bedad3 | 3076 | ha->addr, ETH_ALEN); |
c87dec9f | 3077 | fp->mc_list_length++; |
22bedad3 | 3078 | } |
c87dec9f JO |
3079 | } |
3080 | ||
b54853f1 | 3081 | return (u64)(unsigned long)fp; |
c87dec9f | 3082 | } |
f5fc0f86 | 3083 | |
b54853f1 JO |
3084 | #define WL1271_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ |
3085 | FIF_ALLMULTI | \ | |
3086 | FIF_FCSFAIL | \ | |
3087 | FIF_BCN_PRBRESP_PROMISC | \ | |
3088 | FIF_CONTROL | \ | |
3089 | FIF_OTHER_BSS) | |
3090 | ||
f5fc0f86 LC |
3091 | static void wl1271_op_configure_filter(struct ieee80211_hw *hw, |
3092 | unsigned int changed, | |
c87dec9f | 3093 | unsigned int *total, u64 multicast) |
f5fc0f86 | 3094 | { |
b54853f1 | 3095 | struct wl1271_filter_params *fp = (void *)(unsigned long)multicast; |
f5fc0f86 | 3096 | struct wl1271 *wl = hw->priv; |
6e8cd331 | 3097 | struct wl12xx_vif *wlvif; |
536129c8 | 3098 | |
b54853f1 | 3099 | int ret; |
f5fc0f86 | 3100 | |
7d057869 AN |
3101 | wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter changed %x" |
3102 | " total %x", changed, *total); | |
f5fc0f86 | 3103 | |
b54853f1 JO |
3104 | mutex_lock(&wl->mutex); |
3105 | ||
2c10bb9c SD |
3106 | *total &= WL1271_SUPPORTED_FILTERS; |
3107 | changed &= WL1271_SUPPORTED_FILTERS; | |
3108 | ||
4cc53383 | 3109 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
b54853f1 JO |
3110 | goto out; |
3111 | ||
a620865e | 3112 | ret = wl1271_ps_elp_wakeup(wl); |
b54853f1 JO |
3113 | if (ret < 0) |
3114 | goto out; | |
3115 | ||
6e8cd331 EP |
3116 | wl12xx_for_each_wlvif(wl, wlvif) { |
3117 | if (wlvif->bss_type != BSS_TYPE_AP_BSS) { | |
3118 | if (*total & FIF_ALLMULTI) | |
3119 | ret = wl1271_acx_group_address_tbl(wl, wlvif, | |
3120 | false, | |
3121 | NULL, 0); | |
3122 | else if (fp) | |
3123 | ret = wl1271_acx_group_address_tbl(wl, wlvif, | |
3124 | fp->enabled, | |
3125 | fp->mc_list, | |
3126 | fp->mc_list_length); | |
3127 | if (ret < 0) | |
3128 | goto out_sleep; | |
3129 | } | |
7d057869 | 3130 | } |
f5fc0f86 | 3131 | |
08c1d1c7 EP |
3132 | /* |
3133 | * the fw doesn't provide an api to configure the filters. instead, | |
3134 | * the filters configuration is based on the active roles / ROC | |
3135 | * state. | |
3136 | */ | |
b54853f1 JO |
3137 | |
3138 | out_sleep: | |
3139 | wl1271_ps_elp_sleep(wl); | |
3140 | ||
3141 | out: | |
3142 | mutex_unlock(&wl->mutex); | |
14b228a0 | 3143 | kfree(fp); |
f5fc0f86 LC |
3144 | } |
3145 | ||
170d0e67 EP |
3146 | static int wl1271_record_ap_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
3147 | u8 id, u8 key_type, u8 key_size, | |
3148 | const u8 *key, u8 hlid, u32 tx_seq_32, | |
3149 | u16 tx_seq_16) | |
7f179b46 AN |
3150 | { |
3151 | struct wl1271_ap_key *ap_key; | |
3152 | int i; | |
3153 | ||
3154 | wl1271_debug(DEBUG_CRYPT, "record ap key id %d", (int)id); | |
3155 | ||
3156 | if (key_size > MAX_KEY_SIZE) | |
3157 | return -EINVAL; | |
3158 | ||
3159 | /* | |
3160 | * Find next free entry in ap_keys. Also check we are not replacing | |
3161 | * an existing key. | |
3162 | */ | |
3163 | for (i = 0; i < MAX_NUM_KEYS; i++) { | |
170d0e67 | 3164 | if (wlvif->ap.recorded_keys[i] == NULL) |
7f179b46 AN |
3165 | break; |
3166 | ||
170d0e67 | 3167 | if (wlvif->ap.recorded_keys[i]->id == id) { |
7f179b46 AN |
3168 | wl1271_warning("trying to record key replacement"); |
3169 | return -EINVAL; | |
3170 | } | |
3171 | } | |
3172 | ||
3173 | if (i == MAX_NUM_KEYS) | |
3174 | return -EBUSY; | |
3175 | ||
3176 | ap_key = kzalloc(sizeof(*ap_key), GFP_KERNEL); | |
3177 | if (!ap_key) | |
3178 | return -ENOMEM; | |
3179 | ||
3180 | ap_key->id = id; | |
3181 | ap_key->key_type = key_type; | |
3182 | ap_key->key_size = key_size; | |
3183 | memcpy(ap_key->key, key, key_size); | |
3184 | ap_key->hlid = hlid; | |
3185 | ap_key->tx_seq_32 = tx_seq_32; | |
3186 | ap_key->tx_seq_16 = tx_seq_16; | |
3187 | ||
170d0e67 | 3188 | wlvif->ap.recorded_keys[i] = ap_key; |
7f179b46 AN |
3189 | return 0; |
3190 | } | |
3191 | ||
170d0e67 | 3192 | static void wl1271_free_ap_keys(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
7f179b46 AN |
3193 | { |
3194 | int i; | |
3195 | ||
3196 | for (i = 0; i < MAX_NUM_KEYS; i++) { | |
170d0e67 EP |
3197 | kfree(wlvif->ap.recorded_keys[i]); |
3198 | wlvif->ap.recorded_keys[i] = NULL; | |
7f179b46 AN |
3199 | } |
3200 | } | |
3201 | ||
a8ab39a4 | 3202 | static int wl1271_ap_init_hwenc(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
7f179b46 AN |
3203 | { |
3204 | int i, ret = 0; | |
3205 | struct wl1271_ap_key *key; | |
3206 | bool wep_key_added = false; | |
3207 | ||
3208 | for (i = 0; i < MAX_NUM_KEYS; i++) { | |
7f97b487 | 3209 | u8 hlid; |
170d0e67 | 3210 | if (wlvif->ap.recorded_keys[i] == NULL) |
7f179b46 AN |
3211 | break; |
3212 | ||
170d0e67 | 3213 | key = wlvif->ap.recorded_keys[i]; |
7f97b487 EP |
3214 | hlid = key->hlid; |
3215 | if (hlid == WL12XX_INVALID_LINK_ID) | |
a8ab39a4 | 3216 | hlid = wlvif->ap.bcast_hlid; |
7f97b487 | 3217 | |
a8ab39a4 | 3218 | ret = wl1271_cmd_set_ap_key(wl, wlvif, KEY_ADD_OR_REPLACE, |
7f179b46 AN |
3219 | key->id, key->key_type, |
3220 | key->key_size, key->key, | |
7f97b487 | 3221 | hlid, key->tx_seq_32, |
7f179b46 AN |
3222 | key->tx_seq_16); |
3223 | if (ret < 0) | |
3224 | goto out; | |
3225 | ||
3226 | if (key->key_type == KEY_WEP) | |
3227 | wep_key_added = true; | |
3228 | } | |
3229 | ||
3230 | if (wep_key_added) { | |
f75c753f | 3231 | ret = wl12xx_cmd_set_default_wep_key(wl, wlvif->default_key, |
a8ab39a4 | 3232 | wlvif->ap.bcast_hlid); |
7f179b46 AN |
3233 | if (ret < 0) |
3234 | goto out; | |
3235 | } | |
3236 | ||
3237 | out: | |
170d0e67 | 3238 | wl1271_free_ap_keys(wl, wlvif); |
7f179b46 AN |
3239 | return ret; |
3240 | } | |
3241 | ||
536129c8 EP |
3242 | static int wl1271_set_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
3243 | u16 action, u8 id, u8 key_type, | |
7f179b46 AN |
3244 | u8 key_size, const u8 *key, u32 tx_seq_32, |
3245 | u16 tx_seq_16, struct ieee80211_sta *sta) | |
3246 | { | |
3247 | int ret; | |
536129c8 | 3248 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); |
7f179b46 AN |
3249 | |
3250 | if (is_ap) { | |
3251 | struct wl1271_station *wl_sta; | |
3252 | u8 hlid; | |
3253 | ||
3254 | if (sta) { | |
3255 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
3256 | hlid = wl_sta->hlid; | |
3257 | } else { | |
a8ab39a4 | 3258 | hlid = wlvif->ap.bcast_hlid; |
7f179b46 AN |
3259 | } |
3260 | ||
53d40d0b | 3261 | if (!test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) { |
7f179b46 AN |
3262 | /* |
3263 | * We do not support removing keys after AP shutdown. | |
3264 | * Pretend we do to make mac80211 happy. | |
3265 | */ | |
3266 | if (action != KEY_ADD_OR_REPLACE) | |
3267 | return 0; | |
3268 | ||
170d0e67 | 3269 | ret = wl1271_record_ap_key(wl, wlvif, id, |
7f179b46 AN |
3270 | key_type, key_size, |
3271 | key, hlid, tx_seq_32, | |
3272 | tx_seq_16); | |
3273 | } else { | |
a8ab39a4 | 3274 | ret = wl1271_cmd_set_ap_key(wl, wlvif, action, |
7f179b46 AN |
3275 | id, key_type, key_size, |
3276 | key, hlid, tx_seq_32, | |
3277 | tx_seq_16); | |
3278 | } | |
3279 | ||
3280 | if (ret < 0) | |
3281 | return ret; | |
3282 | } else { | |
3283 | const u8 *addr; | |
3284 | static const u8 bcast_addr[ETH_ALEN] = { | |
3285 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff | |
3286 | }; | |
3287 | ||
3288 | addr = sta ? sta->addr : bcast_addr; | |
3289 | ||
3290 | if (is_zero_ether_addr(addr)) { | |
3291 | /* We dont support TX only encryption */ | |
3292 | return -EOPNOTSUPP; | |
3293 | } | |
3294 | ||
3295 | /* The wl1271 does not allow to remove unicast keys - they | |
3296 | will be cleared automatically on next CMD_JOIN. Ignore the | |
3297 | request silently, as we dont want the mac80211 to emit | |
3298 | an error message. */ | |
3299 | if (action == KEY_REMOVE && !is_broadcast_ether_addr(addr)) | |
3300 | return 0; | |
3301 | ||
010d3d30 EP |
3302 | /* don't remove key if hlid was already deleted */ |
3303 | if (action == KEY_REMOVE && | |
154da67c | 3304 | wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) |
010d3d30 EP |
3305 | return 0; |
3306 | ||
a8ab39a4 | 3307 | ret = wl1271_cmd_set_sta_key(wl, wlvif, action, |
7f179b46 AN |
3308 | id, key_type, key_size, |
3309 | key, addr, tx_seq_32, | |
3310 | tx_seq_16); | |
3311 | if (ret < 0) | |
3312 | return ret; | |
3313 | ||
7f179b46 AN |
3314 | } |
3315 | ||
3316 | return 0; | |
3317 | } | |
3318 | ||
a1c597f2 | 3319 | static int wlcore_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
f5fc0f86 LC |
3320 | struct ieee80211_vif *vif, |
3321 | struct ieee80211_sta *sta, | |
3322 | struct ieee80211_key_conf *key_conf) | |
3323 | { | |
3324 | struct wl1271 *wl = hw->priv; | |
af390f4d EP |
3325 | int ret; |
3326 | bool might_change_spare = | |
3327 | key_conf->cipher == WL1271_CIPHER_SUITE_GEM || | |
3328 | key_conf->cipher == WLAN_CIPHER_SUITE_TKIP; | |
3329 | ||
3330 | if (might_change_spare) { | |
3331 | /* | |
3332 | * stop the queues and flush to ensure the next packets are | |
3333 | * in sync with FW spare block accounting | |
3334 | */ | |
af390f4d | 3335 | wlcore_stop_queues(wl, WLCORE_QUEUE_STOP_REASON_SPARE_BLK); |
af390f4d EP |
3336 | wl1271_tx_flush(wl); |
3337 | } | |
3338 | ||
3339 | mutex_lock(&wl->mutex); | |
3340 | ||
3341 | if (unlikely(wl->state != WLCORE_STATE_ON)) { | |
3342 | ret = -EAGAIN; | |
3343 | goto out_wake_queues; | |
3344 | } | |
a1c597f2 | 3345 | |
af390f4d EP |
3346 | ret = wl1271_ps_elp_wakeup(wl); |
3347 | if (ret < 0) | |
3348 | goto out_wake_queues; | |
3349 | ||
3350 | ret = wlcore_hw_set_key(wl, cmd, vif, sta, key_conf); | |
3351 | ||
3352 | wl1271_ps_elp_sleep(wl); | |
3353 | ||
3354 | out_wake_queues: | |
3355 | if (might_change_spare) | |
3356 | wlcore_wake_queues(wl, WLCORE_QUEUE_STOP_REASON_SPARE_BLK); | |
3357 | ||
3358 | mutex_unlock(&wl->mutex); | |
3359 | ||
3360 | return ret; | |
a1c597f2 AN |
3361 | } |
3362 | ||
3363 | int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd, | |
3364 | struct ieee80211_vif *vif, | |
3365 | struct ieee80211_sta *sta, | |
3366 | struct ieee80211_key_conf *key_conf) | |
3367 | { | |
536129c8 | 3368 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
f5fc0f86 | 3369 | int ret; |
ac4e4ce5 JO |
3370 | u32 tx_seq_32 = 0; |
3371 | u16 tx_seq_16 = 0; | |
f5fc0f86 | 3372 | u8 key_type; |
93d5d100 | 3373 | u8 hlid; |
f5fc0f86 | 3374 | |
f5fc0f86 LC |
3375 | wl1271_debug(DEBUG_MAC80211, "mac80211 set key"); |
3376 | ||
7f179b46 | 3377 | wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x sta: %p", cmd, sta); |
f5fc0f86 | 3378 | wl1271_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", |
97359d12 | 3379 | key_conf->cipher, key_conf->keyidx, |
f5fc0f86 LC |
3380 | key_conf->keylen, key_conf->flags); |
3381 | wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen); | |
3382 | ||
93d5d100 AN |
3383 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) |
3384 | if (sta) { | |
3385 | struct wl1271_station *wl_sta = (void *)sta->drv_priv; | |
3386 | hlid = wl_sta->hlid; | |
3387 | } else { | |
3388 | hlid = wlvif->ap.bcast_hlid; | |
3389 | } | |
3390 | else | |
3391 | hlid = wlvif->sta.hlid; | |
3392 | ||
3393 | if (hlid != WL12XX_INVALID_LINK_ID) { | |
3394 | u64 tx_seq = wl->links[hlid].total_freed_pkts; | |
3395 | tx_seq_32 = WL1271_TX_SECURITY_HI32(tx_seq); | |
3396 | tx_seq_16 = WL1271_TX_SECURITY_LO16(tx_seq); | |
3397 | } | |
3398 | ||
97359d12 JB |
3399 | switch (key_conf->cipher) { |
3400 | case WLAN_CIPHER_SUITE_WEP40: | |
3401 | case WLAN_CIPHER_SUITE_WEP104: | |
f5fc0f86 LC |
3402 | key_type = KEY_WEP; |
3403 | ||
3404 | key_conf->hw_key_idx = key_conf->keyidx; | |
3405 | break; | |
97359d12 | 3406 | case WLAN_CIPHER_SUITE_TKIP: |
f5fc0f86 | 3407 | key_type = KEY_TKIP; |
f5fc0f86 LC |
3408 | key_conf->hw_key_idx = key_conf->keyidx; |
3409 | break; | |
97359d12 | 3410 | case WLAN_CIPHER_SUITE_CCMP: |
f5fc0f86 | 3411 | key_type = KEY_AES; |
12d4b975 | 3412 | key_conf->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; |
f5fc0f86 | 3413 | break; |
7a55724e JO |
3414 | case WL1271_CIPHER_SUITE_GEM: |
3415 | key_type = KEY_GEM; | |
7a55724e | 3416 | break; |
f5fc0f86 | 3417 | default: |
97359d12 | 3418 | wl1271_error("Unknown key algo 0x%x", key_conf->cipher); |
f5fc0f86 | 3419 | |
af390f4d | 3420 | return -EOPNOTSUPP; |
f5fc0f86 LC |
3421 | } |
3422 | ||
3423 | switch (cmd) { | |
3424 | case SET_KEY: | |
536129c8 | 3425 | ret = wl1271_set_key(wl, wlvif, KEY_ADD_OR_REPLACE, |
7f179b46 AN |
3426 | key_conf->keyidx, key_type, |
3427 | key_conf->keylen, key_conf->key, | |
3428 | tx_seq_32, tx_seq_16, sta); | |
f5fc0f86 LC |
3429 | if (ret < 0) { |
3430 | wl1271_error("Could not add or replace key"); | |
af390f4d | 3431 | return ret; |
f5fc0f86 | 3432 | } |
5ec8a448 EP |
3433 | |
3434 | /* | |
3435 | * reconfiguring arp response if the unicast (or common) | |
3436 | * encryption key type was changed | |
3437 | */ | |
3438 | if (wlvif->bss_type == BSS_TYPE_STA_BSS && | |
3439 | (sta || key_type == KEY_WEP) && | |
3440 | wlvif->encryption_type != key_type) { | |
3441 | wlvif->encryption_type = key_type; | |
3442 | ret = wl1271_cmd_build_arp_rsp(wl, wlvif); | |
3443 | if (ret < 0) { | |
3444 | wl1271_warning("build arp rsp failed: %d", ret); | |
af390f4d | 3445 | return ret; |
5ec8a448 EP |
3446 | } |
3447 | } | |
f5fc0f86 LC |
3448 | break; |
3449 | ||
3450 | case DISABLE_KEY: | |
536129c8 | 3451 | ret = wl1271_set_key(wl, wlvif, KEY_REMOVE, |
7f179b46 AN |
3452 | key_conf->keyidx, key_type, |
3453 | key_conf->keylen, key_conf->key, | |
3454 | 0, 0, sta); | |
f5fc0f86 LC |
3455 | if (ret < 0) { |
3456 | wl1271_error("Could not remove key"); | |
af390f4d | 3457 | return ret; |
f5fc0f86 LC |
3458 | } |
3459 | break; | |
3460 | ||
3461 | default: | |
3462 | wl1271_error("Unsupported key cmd 0x%x", cmd); | |
af390f4d | 3463 | return -EOPNOTSUPP; |
f5fc0f86 LC |
3464 | } |
3465 | ||
f5fc0f86 LC |
3466 | return ret; |
3467 | } | |
a1c597f2 | 3468 | EXPORT_SYMBOL_GPL(wlcore_set_key); |
f5fc0f86 | 3469 | |
ba1e6eb9 YD |
3470 | static void wl1271_op_set_default_key_idx(struct ieee80211_hw *hw, |
3471 | struct ieee80211_vif *vif, | |
3472 | int key_idx) | |
3473 | { | |
3474 | struct wl1271 *wl = hw->priv; | |
3475 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
3476 | int ret; | |
3477 | ||
3478 | wl1271_debug(DEBUG_MAC80211, "mac80211 set default key idx %d", | |
3479 | key_idx); | |
3480 | ||
bf4e5f1a EP |
3481 | /* we don't handle unsetting of default key */ |
3482 | if (key_idx == -1) | |
3483 | return; | |
3484 | ||
ba1e6eb9 YD |
3485 | mutex_lock(&wl->mutex); |
3486 | ||
3487 | if (unlikely(wl->state != WLCORE_STATE_ON)) { | |
3488 | ret = -EAGAIN; | |
3489 | goto out_unlock; | |
3490 | } | |
3491 | ||
3492 | ret = wl1271_ps_elp_wakeup(wl); | |
3493 | if (ret < 0) | |
3494 | goto out_unlock; | |
3495 | ||
3496 | wlvif->default_key = key_idx; | |
3497 | ||
3498 | /* the default WEP key needs to be configured at least once */ | |
3499 | if (wlvif->encryption_type == KEY_WEP) { | |
3500 | ret = wl12xx_cmd_set_default_wep_key(wl, | |
3501 | key_idx, | |
3502 | wlvif->sta.hlid); | |
3503 | if (ret < 0) | |
3504 | goto out_sleep; | |
3505 | } | |
3506 | ||
3507 | out_sleep: | |
3508 | wl1271_ps_elp_sleep(wl); | |
3509 | ||
3510 | out_unlock: | |
3511 | mutex_unlock(&wl->mutex); | |
3512 | } | |
3513 | ||
6b70e7eb VG |
3514 | void wlcore_regdomain_config(struct wl1271 *wl) |
3515 | { | |
3516 | int ret; | |
3517 | ||
3518 | if (!(wl->quirks & WLCORE_QUIRK_REGDOMAIN_CONF)) | |
3519 | return; | |
3520 | ||
3521 | mutex_lock(&wl->mutex); | |
75592be5 AN |
3522 | |
3523 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
3524 | goto out; | |
3525 | ||
6b70e7eb VG |
3526 | ret = wl1271_ps_elp_wakeup(wl); |
3527 | if (ret < 0) | |
3528 | goto out; | |
3529 | ||
3530 | ret = wlcore_cmd_regdomain_config_locked(wl); | |
3531 | if (ret < 0) { | |
3532 | wl12xx_queue_recovery_work(wl); | |
3533 | goto out; | |
3534 | } | |
3535 | ||
3536 | wl1271_ps_elp_sleep(wl); | |
3537 | out: | |
3538 | mutex_unlock(&wl->mutex); | |
3539 | } | |
3540 | ||
f5fc0f86 | 3541 | static int wl1271_op_hw_scan(struct ieee80211_hw *hw, |
a060bbfe | 3542 | struct ieee80211_vif *vif, |
f5fc0f86 LC |
3543 | struct cfg80211_scan_request *req) |
3544 | { | |
3545 | struct wl1271 *wl = hw->priv; | |
3546 | int ret; | |
3547 | u8 *ssid = NULL; | |
abb0b3bf | 3548 | size_t len = 0; |
f5fc0f86 LC |
3549 | |
3550 | wl1271_debug(DEBUG_MAC80211, "mac80211 hw scan"); | |
3551 | ||
3552 | if (req->n_ssids) { | |
3553 | ssid = req->ssids[0].ssid; | |
abb0b3bf | 3554 | len = req->ssids[0].ssid_len; |
f5fc0f86 LC |
3555 | } |
3556 | ||
3557 | mutex_lock(&wl->mutex); | |
3558 | ||
4cc53383 | 3559 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
b739a42c JO |
3560 | /* |
3561 | * We cannot return -EBUSY here because cfg80211 will expect | |
3562 | * a call to ieee80211_scan_completed if we do - in this case | |
3563 | * there won't be any call. | |
3564 | */ | |
3565 | ret = -EAGAIN; | |
3566 | goto out; | |
3567 | } | |
3568 | ||
a620865e | 3569 | ret = wl1271_ps_elp_wakeup(wl); |
f5fc0f86 LC |
3570 | if (ret < 0) |
3571 | goto out; | |
3572 | ||
97fd311a EP |
3573 | /* fail if there is any role in ROC */ |
3574 | if (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) < WL12XX_MAX_ROLES) { | |
92e712da EP |
3575 | /* don't allow scanning right now */ |
3576 | ret = -EBUSY; | |
3577 | goto out_sleep; | |
3578 | } | |
3579 | ||
78e28062 | 3580 | ret = wlcore_scan(hw->priv, vif, ssid, len, req); |
251c177f | 3581 | out_sleep: |
f5fc0f86 | 3582 | wl1271_ps_elp_sleep(wl); |
f5fc0f86 LC |
3583 | out: |
3584 | mutex_unlock(&wl->mutex); | |
3585 | ||
3586 | return ret; | |
3587 | } | |
3588 | ||
73ecce31 EP |
3589 | static void wl1271_op_cancel_hw_scan(struct ieee80211_hw *hw, |
3590 | struct ieee80211_vif *vif) | |
3591 | { | |
3592 | struct wl1271 *wl = hw->priv; | |
78e28062 | 3593 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
73ecce31 EP |
3594 | int ret; |
3595 | ||
3596 | wl1271_debug(DEBUG_MAC80211, "mac80211 cancel hw scan"); | |
3597 | ||
3598 | mutex_lock(&wl->mutex); | |
3599 | ||
4cc53383 | 3600 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
73ecce31 EP |
3601 | goto out; |
3602 | ||
3603 | if (wl->scan.state == WL1271_SCAN_STATE_IDLE) | |
3604 | goto out; | |
3605 | ||
3606 | ret = wl1271_ps_elp_wakeup(wl); | |
3607 | if (ret < 0) | |
3608 | goto out; | |
3609 | ||
3610 | if (wl->scan.state != WL1271_SCAN_STATE_DONE) { | |
78e28062 | 3611 | ret = wl->ops->scan_stop(wl, wlvif); |
73ecce31 EP |
3612 | if (ret < 0) |
3613 | goto out_sleep; | |
3614 | } | |
55df5afb AN |
3615 | |
3616 | /* | |
3617 | * Rearm the tx watchdog just before idling scan. This | |
3618 | * prevents just-finished scans from triggering the watchdog | |
3619 | */ | |
3620 | wl12xx_rearm_tx_watchdog_locked(wl); | |
3621 | ||
73ecce31 EP |
3622 | wl->scan.state = WL1271_SCAN_STATE_IDLE; |
3623 | memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); | |
c50a2825 | 3624 | wl->scan_wlvif = NULL; |
73ecce31 EP |
3625 | wl->scan.req = NULL; |
3626 | ieee80211_scan_completed(wl->hw, true); | |
3627 | ||
3628 | out_sleep: | |
3629 | wl1271_ps_elp_sleep(wl); | |
3630 | out: | |
3631 | mutex_unlock(&wl->mutex); | |
3632 | ||
3633 | cancel_delayed_work_sync(&wl->scan_complete_work); | |
3634 | } | |
3635 | ||
33c2c06c LC |
3636 | static int wl1271_op_sched_scan_start(struct ieee80211_hw *hw, |
3637 | struct ieee80211_vif *vif, | |
3638 | struct cfg80211_sched_scan_request *req, | |
3639 | struct ieee80211_sched_scan_ies *ies) | |
3640 | { | |
3641 | struct wl1271 *wl = hw->priv; | |
536129c8 | 3642 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
33c2c06c LC |
3643 | int ret; |
3644 | ||
3645 | wl1271_debug(DEBUG_MAC80211, "wl1271_op_sched_scan_start"); | |
3646 | ||
3647 | mutex_lock(&wl->mutex); | |
3648 | ||
4cc53383 | 3649 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
9e0dc890 PF |
3650 | ret = -EAGAIN; |
3651 | goto out; | |
3652 | } | |
3653 | ||
33c2c06c LC |
3654 | ret = wl1271_ps_elp_wakeup(wl); |
3655 | if (ret < 0) | |
3656 | goto out; | |
3657 | ||
78e28062 | 3658 | ret = wl->ops->sched_scan_start(wl, wlvif, req, ies); |
33c2c06c LC |
3659 | if (ret < 0) |
3660 | goto out_sleep; | |
3661 | ||
10199756 | 3662 | wl->sched_vif = wlvif; |
33c2c06c LC |
3663 | |
3664 | out_sleep: | |
3665 | wl1271_ps_elp_sleep(wl); | |
3666 | out: | |
3667 | mutex_unlock(&wl->mutex); | |
3668 | return ret; | |
3669 | } | |
3670 | ||
3671 | static void wl1271_op_sched_scan_stop(struct ieee80211_hw *hw, | |
3672 | struct ieee80211_vif *vif) | |
3673 | { | |
3674 | struct wl1271 *wl = hw->priv; | |
78f85f50 | 3675 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
33c2c06c LC |
3676 | int ret; |
3677 | ||
3678 | wl1271_debug(DEBUG_MAC80211, "wl1271_op_sched_scan_stop"); | |
3679 | ||
3680 | mutex_lock(&wl->mutex); | |
3681 | ||
4cc53383 | 3682 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
9e0dc890 PF |
3683 | goto out; |
3684 | ||
33c2c06c LC |
3685 | ret = wl1271_ps_elp_wakeup(wl); |
3686 | if (ret < 0) | |
3687 | goto out; | |
3688 | ||
78e28062 | 3689 | wl->ops->sched_scan_stop(wl, wlvif); |
33c2c06c LC |
3690 | |
3691 | wl1271_ps_elp_sleep(wl); | |
3692 | out: | |
3693 | mutex_unlock(&wl->mutex); | |
3694 | } | |
3695 | ||
68d069c4 AN |
3696 | static int wl1271_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value) |
3697 | { | |
3698 | struct wl1271 *wl = hw->priv; | |
3699 | int ret = 0; | |
3700 | ||
3701 | mutex_lock(&wl->mutex); | |
3702 | ||
4cc53383 | 3703 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
68d069c4 AN |
3704 | ret = -EAGAIN; |
3705 | goto out; | |
3706 | } | |
3707 | ||
a620865e | 3708 | ret = wl1271_ps_elp_wakeup(wl); |
68d069c4 AN |
3709 | if (ret < 0) |
3710 | goto out; | |
3711 | ||
5f704d18 | 3712 | ret = wl1271_acx_frag_threshold(wl, value); |
68d069c4 AN |
3713 | if (ret < 0) |
3714 | wl1271_warning("wl1271_op_set_frag_threshold failed: %d", ret); | |
3715 | ||
3716 | wl1271_ps_elp_sleep(wl); | |
3717 | ||
3718 | out: | |
3719 | mutex_unlock(&wl->mutex); | |
3720 | ||
3721 | return ret; | |
3722 | } | |
3723 | ||
f5fc0f86 LC |
3724 | static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) |
3725 | { | |
3726 | struct wl1271 *wl = hw->priv; | |
6e8cd331 | 3727 | struct wl12xx_vif *wlvif; |
aecb0565 | 3728 | int ret = 0; |
f5fc0f86 LC |
3729 | |
3730 | mutex_lock(&wl->mutex); | |
3731 | ||
4cc53383 | 3732 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
f8d9802f | 3733 | ret = -EAGAIN; |
aecb0565 | 3734 | goto out; |
f8d9802f | 3735 | } |
aecb0565 | 3736 | |
a620865e | 3737 | ret = wl1271_ps_elp_wakeup(wl); |
f5fc0f86 LC |
3738 | if (ret < 0) |
3739 | goto out; | |
3740 | ||
6e8cd331 EP |
3741 | wl12xx_for_each_wlvif(wl, wlvif) { |
3742 | ret = wl1271_acx_rts_threshold(wl, wlvif, value); | |
3743 | if (ret < 0) | |
3744 | wl1271_warning("set rts threshold failed: %d", ret); | |
3745 | } | |
f5fc0f86 LC |
3746 | wl1271_ps_elp_sleep(wl); |
3747 | ||
3748 | out: | |
3749 | mutex_unlock(&wl->mutex); | |
3750 | ||
3751 | return ret; | |
3752 | } | |
3753 | ||
d48055d9 EP |
3754 | static void wl12xx_remove_ie(struct sk_buff *skb, u8 eid, int ieoffset) |
3755 | { | |
3756 | int len; | |
3757 | const u8 *next, *end = skb->data + skb->len; | |
3758 | u8 *ie = (u8 *)cfg80211_find_ie(eid, skb->data + ieoffset, | |
3759 | skb->len - ieoffset); | |
3760 | if (!ie) | |
3761 | return; | |
3762 | len = ie[1] + 2; | |
3763 | next = ie + len; | |
3764 | memmove(ie, next, end - next); | |
3765 | skb_trim(skb, skb->len - len); | |
3766 | } | |
3767 | ||
26b4bf2e EP |
3768 | static void wl12xx_remove_vendor_ie(struct sk_buff *skb, |
3769 | unsigned int oui, u8 oui_type, | |
3770 | int ieoffset) | |
3771 | { | |
3772 | int len; | |
3773 | const u8 *next, *end = skb->data + skb->len; | |
3774 | u8 *ie = (u8 *)cfg80211_find_vendor_ie(oui, oui_type, | |
3775 | skb->data + ieoffset, | |
3776 | skb->len - ieoffset); | |
3777 | if (!ie) | |
3778 | return; | |
3779 | len = ie[1] + 2; | |
3780 | next = ie + len; | |
3781 | memmove(ie, next, end - next); | |
3782 | skb_trim(skb, skb->len - len); | |
3783 | } | |
3784 | ||
341f2c11 AN |
3785 | static int wl1271_ap_set_probe_resp_tmpl(struct wl1271 *wl, u32 rates, |
3786 | struct ieee80211_vif *vif) | |
560f0024 | 3787 | { |
cdaac628 | 3788 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
560f0024 AN |
3789 | struct sk_buff *skb; |
3790 | int ret; | |
3791 | ||
341f2c11 | 3792 | skb = ieee80211_proberesp_get(wl->hw, vif); |
560f0024 | 3793 | if (!skb) |
341f2c11 | 3794 | return -EOPNOTSUPP; |
560f0024 | 3795 | |
cdaac628 | 3796 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, |
560f0024 AN |
3797 | CMD_TEMPL_AP_PROBE_RESPONSE, |
3798 | skb->data, | |
3799 | skb->len, 0, | |
3800 | rates); | |
560f0024 | 3801 | dev_kfree_skb(skb); |
62c2e579 LC |
3802 | |
3803 | if (ret < 0) | |
3804 | goto out; | |
3805 | ||
3806 | wl1271_debug(DEBUG_AP, "probe response updated"); | |
3807 | set_bit(WLVIF_FLAG_AP_PROBE_RESP_SET, &wlvif->flags); | |
3808 | ||
3809 | out: | |
560f0024 AN |
3810 | return ret; |
3811 | } | |
3812 | ||
3813 | static int wl1271_ap_set_probe_resp_tmpl_legacy(struct wl1271 *wl, | |
3814 | struct ieee80211_vif *vif, | |
3815 | u8 *probe_rsp_data, | |
3816 | size_t probe_rsp_len, | |
3817 | u32 rates) | |
68eaaf6e | 3818 | { |
1fe9f161 EP |
3819 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
3820 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
68eaaf6e AN |
3821 | u8 probe_rsp_templ[WL1271_CMD_TEMPL_MAX_SIZE]; |
3822 | int ssid_ie_offset, ie_offset, templ_len; | |
3823 | const u8 *ptr; | |
3824 | ||
3825 | /* no need to change probe response if the SSID is set correctly */ | |
1fe9f161 | 3826 | if (wlvif->ssid_len > 0) |
cdaac628 | 3827 | return wl1271_cmd_template_set(wl, wlvif->role_id, |
68eaaf6e AN |
3828 | CMD_TEMPL_AP_PROBE_RESPONSE, |
3829 | probe_rsp_data, | |
3830 | probe_rsp_len, 0, | |
3831 | rates); | |
3832 | ||
3833 | if (probe_rsp_len + bss_conf->ssid_len > WL1271_CMD_TEMPL_MAX_SIZE) { | |
3834 | wl1271_error("probe_rsp template too big"); | |
3835 | return -EINVAL; | |
3836 | } | |
3837 | ||
3838 | /* start searching from IE offset */ | |
3839 | ie_offset = offsetof(struct ieee80211_mgmt, u.probe_resp.variable); | |
3840 | ||
3841 | ptr = cfg80211_find_ie(WLAN_EID_SSID, probe_rsp_data + ie_offset, | |
3842 | probe_rsp_len - ie_offset); | |
3843 | if (!ptr) { | |
3844 | wl1271_error("No SSID in beacon!"); | |
3845 | return -EINVAL; | |
3846 | } | |
3847 | ||
3848 | ssid_ie_offset = ptr - probe_rsp_data; | |
3849 | ptr += (ptr[1] + 2); | |
3850 | ||
3851 | memcpy(probe_rsp_templ, probe_rsp_data, ssid_ie_offset); | |
3852 | ||
3853 | /* insert SSID from bss_conf */ | |
3854 | probe_rsp_templ[ssid_ie_offset] = WLAN_EID_SSID; | |
3855 | probe_rsp_templ[ssid_ie_offset + 1] = bss_conf->ssid_len; | |
3856 | memcpy(probe_rsp_templ + ssid_ie_offset + 2, | |
3857 | bss_conf->ssid, bss_conf->ssid_len); | |
3858 | templ_len = ssid_ie_offset + 2 + bss_conf->ssid_len; | |
3859 | ||
3860 | memcpy(probe_rsp_templ + ssid_ie_offset + 2 + bss_conf->ssid_len, | |
3861 | ptr, probe_rsp_len - (ptr - probe_rsp_data)); | |
3862 | templ_len += probe_rsp_len - (ptr - probe_rsp_data); | |
3863 | ||
cdaac628 | 3864 | return wl1271_cmd_template_set(wl, wlvif->role_id, |
68eaaf6e AN |
3865 | CMD_TEMPL_AP_PROBE_RESPONSE, |
3866 | probe_rsp_templ, | |
3867 | templ_len, 0, | |
3868 | rates); | |
3869 | } | |
3870 | ||
e78a287a | 3871 | static int wl1271_bss_erp_info_changed(struct wl1271 *wl, |
0603d891 | 3872 | struct ieee80211_vif *vif, |
f5fc0f86 LC |
3873 | struct ieee80211_bss_conf *bss_conf, |
3874 | u32 changed) | |
3875 | { | |
0603d891 | 3876 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
e78a287a | 3877 | int ret = 0; |
f5fc0f86 | 3878 | |
e78a287a AN |
3879 | if (changed & BSS_CHANGED_ERP_SLOT) { |
3880 | if (bss_conf->use_short_slot) | |
0603d891 | 3881 | ret = wl1271_acx_slot(wl, wlvif, SLOT_TIME_SHORT); |
e78a287a | 3882 | else |
0603d891 | 3883 | ret = wl1271_acx_slot(wl, wlvif, SLOT_TIME_LONG); |
e78a287a AN |
3884 | if (ret < 0) { |
3885 | wl1271_warning("Set slot time failed %d", ret); | |
3886 | goto out; | |
3887 | } | |
3888 | } | |
f5fc0f86 | 3889 | |
e78a287a AN |
3890 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { |
3891 | if (bss_conf->use_short_preamble) | |
0603d891 | 3892 | wl1271_acx_set_preamble(wl, wlvif, ACX_PREAMBLE_SHORT); |
e78a287a | 3893 | else |
0603d891 | 3894 | wl1271_acx_set_preamble(wl, wlvif, ACX_PREAMBLE_LONG); |
e78a287a | 3895 | } |
f5fc0f86 | 3896 | |
e78a287a AN |
3897 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { |
3898 | if (bss_conf->use_cts_prot) | |
0603d891 EP |
3899 | ret = wl1271_acx_cts_protect(wl, wlvif, |
3900 | CTSPROTECT_ENABLE); | |
e78a287a | 3901 | else |
0603d891 EP |
3902 | ret = wl1271_acx_cts_protect(wl, wlvif, |
3903 | CTSPROTECT_DISABLE); | |
e78a287a AN |
3904 | if (ret < 0) { |
3905 | wl1271_warning("Set ctsprotect failed %d", ret); | |
3906 | goto out; | |
3907 | } | |
3908 | } | |
f8d9802f | 3909 | |
e78a287a AN |
3910 | out: |
3911 | return ret; | |
3912 | } | |
f5fc0f86 | 3913 | |
62c2e579 LC |
3914 | static int wlcore_set_beacon_template(struct wl1271 *wl, |
3915 | struct ieee80211_vif *vif, | |
3916 | bool is_ap) | |
3917 | { | |
3918 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
3919 | struct ieee80211_hdr *hdr; | |
3920 | u32 min_rate; | |
3921 | int ret; | |
8f6ac537 | 3922 | int ieoffset = offsetof(struct ieee80211_mgmt, u.beacon.variable); |
62c2e579 LC |
3923 | struct sk_buff *beacon = ieee80211_beacon_get(wl->hw, vif); |
3924 | u16 tmpl_id; | |
3925 | ||
3926 | if (!beacon) { | |
3927 | ret = -EINVAL; | |
3928 | goto out; | |
3929 | } | |
3930 | ||
3931 | wl1271_debug(DEBUG_MASTER, "beacon updated"); | |
3932 | ||
3230f35e | 3933 | ret = wl1271_ssid_set(wlvif, beacon, ieoffset); |
62c2e579 LC |
3934 | if (ret < 0) { |
3935 | dev_kfree_skb(beacon); | |
3936 | goto out; | |
3937 | } | |
3938 | min_rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); | |
3939 | tmpl_id = is_ap ? CMD_TEMPL_AP_BEACON : | |
3940 | CMD_TEMPL_BEACON; | |
3941 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, tmpl_id, | |
3942 | beacon->data, | |
3943 | beacon->len, 0, | |
3944 | min_rate); | |
3945 | if (ret < 0) { | |
3946 | dev_kfree_skb(beacon); | |
3947 | goto out; | |
3948 | } | |
3949 | ||
d50529c0 EP |
3950 | wlvif->wmm_enabled = |
3951 | cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, | |
3952 | WLAN_OUI_TYPE_MICROSOFT_WMM, | |
3953 | beacon->data + ieoffset, | |
3954 | beacon->len - ieoffset); | |
3955 | ||
62c2e579 LC |
3956 | /* |
3957 | * In case we already have a probe-resp beacon set explicitly | |
3958 | * by usermode, don't use the beacon data. | |
3959 | */ | |
3960 | if (test_bit(WLVIF_FLAG_AP_PROBE_RESP_SET, &wlvif->flags)) | |
3961 | goto end_bcn; | |
3962 | ||
3963 | /* remove TIM ie from probe response */ | |
3964 | wl12xx_remove_ie(beacon, WLAN_EID_TIM, ieoffset); | |
3965 | ||
3966 | /* | |
3967 | * remove p2p ie from probe response. | |
3968 | * the fw reponds to probe requests that don't include | |
3969 | * the p2p ie. probe requests with p2p ie will be passed, | |
3970 | * and will be responded by the supplicant (the spec | |
3971 | * forbids including the p2p ie when responding to probe | |
3972 | * requests that didn't include it). | |
3973 | */ | |
3974 | wl12xx_remove_vendor_ie(beacon, WLAN_OUI_WFA, | |
3975 | WLAN_OUI_TYPE_WFA_P2P, ieoffset); | |
3976 | ||
3977 | hdr = (struct ieee80211_hdr *) beacon->data; | |
3978 | hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | | |
3979 | IEEE80211_STYPE_PROBE_RESP); | |
3980 | if (is_ap) | |
3981 | ret = wl1271_ap_set_probe_resp_tmpl_legacy(wl, vif, | |
3982 | beacon->data, | |
3983 | beacon->len, | |
3984 | min_rate); | |
3985 | else | |
3986 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, | |
3987 | CMD_TEMPL_PROBE_RESPONSE, | |
3988 | beacon->data, | |
3989 | beacon->len, 0, | |
3990 | min_rate); | |
3991 | end_bcn: | |
3992 | dev_kfree_skb(beacon); | |
3993 | if (ret < 0) | |
3994 | goto out; | |
3995 | ||
3996 | out: | |
3997 | return ret; | |
3998 | } | |
3999 | ||
e78a287a AN |
4000 | static int wl1271_bss_beacon_info_changed(struct wl1271 *wl, |
4001 | struct ieee80211_vif *vif, | |
4002 | struct ieee80211_bss_conf *bss_conf, | |
4003 | u32 changed) | |
4004 | { | |
87fbcb0f | 4005 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
536129c8 | 4006 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); |
e78a287a AN |
4007 | int ret = 0; |
4008 | ||
48af2eb0 | 4009 | if (changed & BSS_CHANGED_BEACON_INT) { |
e78a287a | 4010 | wl1271_debug(DEBUG_MASTER, "beacon interval updated: %d", |
60e84c2e JO |
4011 | bss_conf->beacon_int); |
4012 | ||
6a899796 | 4013 | wlvif->beacon_int = bss_conf->beacon_int; |
60e84c2e JO |
4014 | } |
4015 | ||
560f0024 AN |
4016 | if ((changed & BSS_CHANGED_AP_PROBE_RESP) && is_ap) { |
4017 | u32 rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); | |
62c2e579 LC |
4018 | |
4019 | wl1271_ap_set_probe_resp_tmpl(wl, rate, vif); | |
560f0024 AN |
4020 | } |
4021 | ||
48af2eb0 | 4022 | if (changed & BSS_CHANGED_BEACON) { |
62c2e579 | 4023 | ret = wlcore_set_beacon_template(wl, vif, is_ap); |
e78a287a AN |
4024 | if (ret < 0) |
4025 | goto out; | |
4026 | } | |
4027 | ||
4028 | out: | |
560f0024 AN |
4029 | if (ret != 0) |
4030 | wl1271_error("beacon info change failed: %d", ret); | |
e78a287a AN |
4031 | return ret; |
4032 | } | |
4033 | ||
4034 | /* AP mode changes */ | |
4035 | static void wl1271_bss_info_changed_ap(struct wl1271 *wl, | |
4036 | struct ieee80211_vif *vif, | |
4037 | struct ieee80211_bss_conf *bss_conf, | |
4038 | u32 changed) | |
4039 | { | |
87fbcb0f | 4040 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
e78a287a | 4041 | int ret = 0; |
e0d8bbf0 | 4042 | |
b6970ee5 | 4043 | if (changed & BSS_CHANGED_BASIC_RATES) { |
e78a287a | 4044 | u32 rates = bss_conf->basic_rates; |
5da11dcd | 4045 | |
87fbcb0f | 4046 | wlvif->basic_rate_set = wl1271_tx_enabled_rates_get(wl, rates, |
1b92f15e | 4047 | wlvif->band); |
d2d66c56 | 4048 | wlvif->basic_rate = wl1271_tx_min_rate_get(wl, |
87fbcb0f | 4049 | wlvif->basic_rate_set); |
70f47424 | 4050 | |
87fbcb0f | 4051 | ret = wl1271_init_ap_rates(wl, wlvif); |
e78a287a | 4052 | if (ret < 0) { |
70f47424 | 4053 | wl1271_error("AP rate policy change failed %d", ret); |
e78a287a AN |
4054 | goto out; |
4055 | } | |
c45a85b5 | 4056 | |
784f694d | 4057 | ret = wl1271_ap_init_templates(wl, vif); |
c45a85b5 AN |
4058 | if (ret < 0) |
4059 | goto out; | |
62c2e579 LC |
4060 | |
4061 | ret = wl1271_ap_set_probe_resp_tmpl(wl, wlvif->basic_rate, vif); | |
4062 | if (ret < 0) | |
4063 | goto out; | |
4064 | ||
4065 | ret = wlcore_set_beacon_template(wl, vif, true); | |
4066 | if (ret < 0) | |
4067 | goto out; | |
e78a287a | 4068 | } |
2f6724b2 | 4069 | |
e78a287a AN |
4070 | ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, changed); |
4071 | if (ret < 0) | |
4072 | goto out; | |
30240fc7 | 4073 | |
48af2eb0 | 4074 | if (changed & BSS_CHANGED_BEACON_ENABLED) { |
e78a287a | 4075 | if (bss_conf->enable_beacon) { |
53d40d0b | 4076 | if (!test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) { |
87fbcb0f | 4077 | ret = wl12xx_cmd_role_start_ap(wl, wlvif); |
e78a287a AN |
4078 | if (ret < 0) |
4079 | goto out; | |
e0d8bbf0 | 4080 | |
a8ab39a4 | 4081 | ret = wl1271_ap_init_hwenc(wl, wlvif); |
7f179b46 AN |
4082 | if (ret < 0) |
4083 | goto out; | |
cf42039f | 4084 | |
53d40d0b | 4085 | set_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags); |
cf42039f | 4086 | wl1271_debug(DEBUG_AP, "started AP"); |
e0d8bbf0 | 4087 | } |
e78a287a | 4088 | } else { |
53d40d0b | 4089 | if (test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) { |
187e52cc AN |
4090 | /* |
4091 | * AP might be in ROC in case we have just | |
4092 | * sent auth reply. handle it. | |
4093 | */ | |
4094 | if (test_bit(wlvif->role_id, wl->roc_map)) | |
4095 | wl12xx_croc(wl, wlvif->role_id); | |
4096 | ||
0603d891 | 4097 | ret = wl12xx_cmd_role_stop_ap(wl, wlvif); |
e78a287a AN |
4098 | if (ret < 0) |
4099 | goto out; | |
e0d8bbf0 | 4100 | |
53d40d0b | 4101 | clear_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags); |
560f0024 AN |
4102 | clear_bit(WLVIF_FLAG_AP_PROBE_RESP_SET, |
4103 | &wlvif->flags); | |
e78a287a AN |
4104 | wl1271_debug(DEBUG_AP, "stopped AP"); |
4105 | } | |
4106 | } | |
4107 | } | |
e0d8bbf0 | 4108 | |
0603d891 | 4109 | ret = wl1271_bss_erp_info_changed(wl, vif, bss_conf, changed); |
e78a287a AN |
4110 | if (ret < 0) |
4111 | goto out; | |
0b932ab9 AN |
4112 | |
4113 | /* Handle HT information change */ | |
4114 | if ((changed & BSS_CHANGED_HT) && | |
4bf88530 | 4115 | (bss_conf->chandef.width != NL80211_CHAN_WIDTH_20_NOHT)) { |
0603d891 | 4116 | ret = wl1271_acx_set_ht_information(wl, wlvif, |
0b932ab9 AN |
4117 | bss_conf->ht_operation_mode); |
4118 | if (ret < 0) { | |
4119 | wl1271_warning("Set ht information failed %d", ret); | |
4120 | goto out; | |
4121 | } | |
4122 | } | |
4123 | ||
e78a287a AN |
4124 | out: |
4125 | return; | |
4126 | } | |
8bf29b0e | 4127 | |
3230f35e EP |
4128 | static int wlcore_set_bssid(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
4129 | struct ieee80211_bss_conf *bss_conf, | |
4130 | u32 sta_rate_set) | |
4131 | { | |
4132 | u32 rates; | |
4133 | int ret; | |
4134 | ||
4135 | wl1271_debug(DEBUG_MAC80211, | |
4136 | "changed_bssid: %pM, aid: %d, bcn_int: %d, brates: 0x%x sta_rate_set: 0x%x", | |
4137 | bss_conf->bssid, bss_conf->aid, | |
4138 | bss_conf->beacon_int, | |
4139 | bss_conf->basic_rates, sta_rate_set); | |
4140 | ||
4141 | wlvif->beacon_int = bss_conf->beacon_int; | |
4142 | rates = bss_conf->basic_rates; | |
4143 | wlvif->basic_rate_set = | |
4144 | wl1271_tx_enabled_rates_get(wl, rates, | |
4145 | wlvif->band); | |
4146 | wlvif->basic_rate = | |
4147 | wl1271_tx_min_rate_get(wl, | |
4148 | wlvif->basic_rate_set); | |
4149 | ||
4150 | if (sta_rate_set) | |
4151 | wlvif->rate_set = | |
4152 | wl1271_tx_enabled_rates_get(wl, | |
4153 | sta_rate_set, | |
4154 | wlvif->band); | |
4155 | ||
4156 | /* we only support sched_scan while not connected */ | |
10199756 | 4157 | if (wl->sched_vif == wlvif) |
78e28062 | 4158 | wl->ops->sched_scan_stop(wl, wlvif); |
3230f35e EP |
4159 | |
4160 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); | |
4161 | if (ret < 0) | |
4162 | return ret; | |
4163 | ||
4164 | ret = wl12xx_cmd_build_null_data(wl, wlvif); | |
4165 | if (ret < 0) | |
4166 | return ret; | |
4167 | ||
4168 | ret = wl1271_build_qos_null_data(wl, wl12xx_wlvif_to_vif(wlvif)); | |
4169 | if (ret < 0) | |
4170 | return ret; | |
4171 | ||
4172 | wlcore_set_ssid(wl, wlvif); | |
4173 | ||
4174 | set_bit(WLVIF_FLAG_IN_USE, &wlvif->flags); | |
4175 | ||
4176 | return 0; | |
4177 | } | |
4178 | ||
4179 | static int wlcore_clear_bssid(struct wl1271 *wl, struct wl12xx_vif *wlvif) | |
4180 | { | |
4181 | int ret; | |
4182 | ||
4183 | /* revert back to minimum rates for the current band */ | |
4184 | wl1271_set_band_rate(wl, wlvif); | |
4185 | wlvif->basic_rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); | |
4186 | ||
4187 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); | |
4188 | if (ret < 0) | |
4189 | return ret; | |
4190 | ||
4191 | if (wlvif->bss_type == BSS_TYPE_STA_BSS && | |
4192 | test_bit(WLVIF_FLAG_IN_USE, &wlvif->flags)) { | |
4193 | ret = wl12xx_cmd_role_stop_sta(wl, wlvif); | |
4194 | if (ret < 0) | |
4195 | return ret; | |
4196 | } | |
4197 | ||
4198 | clear_bit(WLVIF_FLAG_IN_USE, &wlvif->flags); | |
4199 | return 0; | |
4200 | } | |
e78a287a AN |
4201 | /* STA/IBSS mode changes */ |
4202 | static void wl1271_bss_info_changed_sta(struct wl1271 *wl, | |
4203 | struct ieee80211_vif *vif, | |
4204 | struct ieee80211_bss_conf *bss_conf, | |
4205 | u32 changed) | |
4206 | { | |
87fbcb0f | 4207 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
3230f35e | 4208 | bool do_join = false; |
536129c8 | 4209 | bool is_ibss = (wlvif->bss_type == BSS_TYPE_IBSS); |
227e81e1 | 4210 | bool ibss_joined = false; |
72c2d9e5 | 4211 | u32 sta_rate_set = 0; |
e78a287a | 4212 | int ret; |
2d6e4e76 | 4213 | struct ieee80211_sta *sta; |
a100885d AN |
4214 | bool sta_exists = false; |
4215 | struct ieee80211_sta_ht_cap sta_ht_cap; | |
e78a287a AN |
4216 | |
4217 | if (is_ibss) { | |
4218 | ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, | |
4219 | changed); | |
4220 | if (ret < 0) | |
4221 | goto out; | |
e0d8bbf0 JO |
4222 | } |
4223 | ||
227e81e1 EP |
4224 | if (changed & BSS_CHANGED_IBSS) { |
4225 | if (bss_conf->ibss_joined) { | |
eee514e3 | 4226 | set_bit(WLVIF_FLAG_IBSS_JOINED, &wlvif->flags); |
227e81e1 EP |
4227 | ibss_joined = true; |
4228 | } else { | |
3230f35e EP |
4229 | wlcore_unset_assoc(wl, wlvif); |
4230 | wl12xx_cmd_role_stop_sta(wl, wlvif); | |
227e81e1 EP |
4231 | } |
4232 | } | |
4233 | ||
4234 | if ((changed & BSS_CHANGED_BEACON_INT) && ibss_joined) | |
e78a287a AN |
4235 | do_join = true; |
4236 | ||
4237 | /* Need to update the SSID (for filtering etc) */ | |
227e81e1 | 4238 | if ((changed & BSS_CHANGED_BEACON) && ibss_joined) |
e78a287a AN |
4239 | do_join = true; |
4240 | ||
227e81e1 | 4241 | if ((changed & BSS_CHANGED_BEACON_ENABLED) && ibss_joined) { |
5da11dcd JO |
4242 | wl1271_debug(DEBUG_ADHOC, "ad-hoc beaconing: %s", |
4243 | bss_conf->enable_beacon ? "enabled" : "disabled"); | |
4244 | ||
5da11dcd JO |
4245 | do_join = true; |
4246 | } | |
4247 | ||
b0ed8a4d AN |
4248 | if (changed & BSS_CHANGED_IDLE && !is_ibss) |
4249 | wl1271_sta_handle_idle(wl, wlvif, bss_conf->idle); | |
4250 | ||
48af2eb0 | 4251 | if (changed & BSS_CHANGED_CQM) { |
00236aed JO |
4252 | bool enable = false; |
4253 | if (bss_conf->cqm_rssi_thold) | |
4254 | enable = true; | |
0603d891 | 4255 | ret = wl1271_acx_rssi_snr_trigger(wl, wlvif, enable, |
00236aed JO |
4256 | bss_conf->cqm_rssi_thold, |
4257 | bss_conf->cqm_rssi_hyst); | |
4258 | if (ret < 0) | |
4259 | goto out; | |
04324d99 | 4260 | wlvif->rssi_thold = bss_conf->cqm_rssi_thold; |
00236aed JO |
4261 | } |
4262 | ||
ec87011a EP |
4263 | if (changed & (BSS_CHANGED_BSSID | BSS_CHANGED_HT | |
4264 | BSS_CHANGED_ASSOC)) { | |
0f9c8250 AN |
4265 | rcu_read_lock(); |
4266 | sta = ieee80211_find_sta(vif, bss_conf->bssid); | |
ef08d028 LC |
4267 | if (sta) { |
4268 | u8 *rx_mask = sta->ht_cap.mcs.rx_mask; | |
4269 | ||
4270 | /* save the supp_rates of the ap */ | |
4271 | sta_rate_set = sta->supp_rates[wlvif->band]; | |
4272 | if (sta->ht_cap.ht_supported) | |
4273 | sta_rate_set |= | |
4274 | (rx_mask[0] << HW_HT_RATES_OFFSET) | | |
4275 | (rx_mask[1] << HW_MIMO_RATES_OFFSET); | |
4276 | sta_ht_cap = sta->ht_cap; | |
4277 | sta_exists = true; | |
4278 | } | |
4279 | ||
0f9c8250 | 4280 | rcu_read_unlock(); |
72c2d9e5 | 4281 | } |
72c2d9e5 | 4282 | |
3230f35e EP |
4283 | if (changed & BSS_CHANGED_BSSID) { |
4284 | if (!is_zero_ether_addr(bss_conf->bssid)) { | |
4285 | ret = wlcore_set_bssid(wl, wlvif, bss_conf, | |
4286 | sta_rate_set); | |
f5fc0f86 | 4287 | if (ret < 0) |
e78a287a | 4288 | goto out; |
f5fc0f86 | 4289 | |
3230f35e EP |
4290 | /* Need to update the BSSID (for filtering etc) */ |
4291 | do_join = true; | |
d94cd297 | 4292 | } else { |
3230f35e | 4293 | ret = wlcore_clear_bssid(wl, wlvif); |
6ccbb92e | 4294 | if (ret < 0) |
e78a287a | 4295 | goto out; |
f5fc0f86 | 4296 | } |
f5fc0f86 LC |
4297 | } |
4298 | ||
d192d268 EP |
4299 | if (changed & BSS_CHANGED_IBSS) { |
4300 | wl1271_debug(DEBUG_ADHOC, "ibss_joined: %d", | |
4301 | bss_conf->ibss_joined); | |
4302 | ||
4303 | if (bss_conf->ibss_joined) { | |
4304 | u32 rates = bss_conf->basic_rates; | |
87fbcb0f | 4305 | wlvif->basic_rate_set = |
af7fbb28 | 4306 | wl1271_tx_enabled_rates_get(wl, rates, |
1b92f15e | 4307 | wlvif->band); |
d2d66c56 | 4308 | wlvif->basic_rate = |
87fbcb0f EP |
4309 | wl1271_tx_min_rate_get(wl, |
4310 | wlvif->basic_rate_set); | |
d192d268 | 4311 | |
06b660e1 | 4312 | /* by default, use 11b + OFDM rates */ |
30d0c8fd EP |
4313 | wlvif->rate_set = CONF_TX_IBSS_DEFAULT_RATES; |
4314 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); | |
d192d268 EP |
4315 | if (ret < 0) |
4316 | goto out; | |
4317 | } | |
4318 | } | |
4319 | ||
d881fa2c EP |
4320 | if ((changed & BSS_CHANGED_BEACON_INFO) && bss_conf->dtim_period) { |
4321 | /* enable beacon filtering */ | |
4322 | ret = wl1271_acx_beacon_filter_opt(wl, wlvif, true); | |
4323 | if (ret < 0) | |
4324 | goto out; | |
4325 | } | |
4326 | ||
0603d891 | 4327 | ret = wl1271_bss_erp_info_changed(wl, vif, bss_conf, changed); |
e78a287a AN |
4328 | if (ret < 0) |
4329 | goto out; | |
f5fc0f86 | 4330 | |
8bf29b0e | 4331 | if (do_join) { |
3230f35e | 4332 | ret = wlcore_join(wl, wlvif); |
8bf29b0e JO |
4333 | if (ret < 0) { |
4334 | wl1271_warning("cmd join failed %d", ret); | |
e78a287a | 4335 | goto out; |
8bf29b0e | 4336 | } |
3230f35e | 4337 | } |
251c177f | 4338 | |
3230f35e EP |
4339 | if (changed & BSS_CHANGED_ASSOC) { |
4340 | if (bss_conf->assoc) { | |
ec87011a EP |
4341 | ret = wlcore_set_assoc(wl, wlvif, bss_conf, |
4342 | sta_rate_set); | |
251c177f EP |
4343 | if (ret < 0) |
4344 | goto out; | |
4345 | ||
9fd6f21b EP |
4346 | if (test_bit(WLVIF_FLAG_STA_AUTHORIZED, &wlvif->flags)) |
4347 | wl12xx_set_authorized(wl, wlvif); | |
3230f35e EP |
4348 | } else { |
4349 | wlcore_unset_assoc(wl, wlvif); | |
251c177f | 4350 | } |
c1899554 JO |
4351 | } |
4352 | ||
518b680a EP |
4353 | if (changed & BSS_CHANGED_PS) { |
4354 | if ((bss_conf->ps) && | |
4355 | test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) && | |
4356 | !test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags)) { | |
4357 | int ps_mode; | |
4358 | char *ps_mode_str; | |
4359 | ||
4360 | if (wl->conf.conn.forced_ps) { | |
4361 | ps_mode = STATION_POWER_SAVE_MODE; | |
4362 | ps_mode_str = "forced"; | |
4363 | } else { | |
4364 | ps_mode = STATION_AUTO_PS_MODE; | |
4365 | ps_mode_str = "auto"; | |
4366 | } | |
4367 | ||
4368 | wl1271_debug(DEBUG_PSM, "%s ps enabled", ps_mode_str); | |
4369 | ||
4370 | ret = wl1271_ps_set_mode(wl, wlvif, ps_mode); | |
251c177f | 4371 | if (ret < 0) |
518b680a EP |
4372 | wl1271_warning("enter %s ps failed %d", |
4373 | ps_mode_str, ret); | |
4374 | } else if (!bss_conf->ps && | |
4375 | test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags)) { | |
4376 | wl1271_debug(DEBUG_PSM, "auto ps disabled"); | |
4377 | ||
4378 | ret = wl1271_ps_set_mode(wl, wlvif, | |
4379 | STATION_ACTIVE_MODE); | |
4380 | if (ret < 0) | |
4381 | wl1271_warning("exit auto ps failed %d", ret); | |
251c177f | 4382 | } |
c1899554 JO |
4383 | } |
4384 | ||
0b932ab9 | 4385 | /* Handle new association with HT. Do this after join. */ |
6f0b1bb2 | 4386 | if (sta_exists) { |
58321b29 | 4387 | bool enabled = |
aaabee8b | 4388 | bss_conf->chandef.width != NL80211_CHAN_WIDTH_20_NOHT; |
58321b29 | 4389 | |
530abe19 EP |
4390 | ret = wlcore_hw_set_peer_cap(wl, |
4391 | &sta_ht_cap, | |
4392 | enabled, | |
4393 | wlvif->rate_set, | |
4394 | wlvif->sta.hlid); | |
58321b29 EP |
4395 | if (ret < 0) { |
4396 | wl1271_warning("Set ht cap failed %d", ret); | |
4397 | goto out; | |
4398 | ||
0f9c8250 | 4399 | } |
58321b29 EP |
4400 | |
4401 | if (enabled) { | |
4402 | ret = wl1271_acx_set_ht_information(wl, wlvif, | |
4403 | bss_conf->ht_operation_mode); | |
0f9c8250 | 4404 | if (ret < 0) { |
58321b29 | 4405 | wl1271_warning("Set ht information failed %d", |
0f9c8250 AN |
4406 | ret); |
4407 | goto out; | |
4408 | } | |
4409 | } | |
4410 | } | |
4411 | ||
76a74c8a EP |
4412 | /* Handle arp filtering. Done after join. */ |
4413 | if ((changed & BSS_CHANGED_ARP_FILTER) || | |
4414 | (!is_ibss && (changed & BSS_CHANGED_QOS))) { | |
4415 | __be32 addr = bss_conf->arp_addr_list[0]; | |
4416 | wlvif->sta.qos = bss_conf->qos; | |
4417 | WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS); | |
4418 | ||
0f19b41e | 4419 | if (bss_conf->arp_addr_cnt == 1 && bss_conf->assoc) { |
76a74c8a EP |
4420 | wlvif->ip_addr = addr; |
4421 | /* | |
4422 | * The template should have been configured only upon | |
4423 | * association. however, it seems that the correct ip | |
4424 | * isn't being set (when sending), so we have to | |
4425 | * reconfigure the template upon every ip change. | |
4426 | */ | |
4427 | ret = wl1271_cmd_build_arp_rsp(wl, wlvif); | |
4428 | if (ret < 0) { | |
4429 | wl1271_warning("build arp rsp failed: %d", ret); | |
4430 | goto out; | |
4431 | } | |
4432 | ||
4433 | ret = wl1271_acx_arp_ip_filter(wl, wlvif, | |
4434 | (ACX_ARP_FILTER_ARP_FILTERING | | |
4435 | ACX_ARP_FILTER_AUTO_ARP), | |
4436 | addr); | |
4437 | } else { | |
4438 | wlvif->ip_addr = 0; | |
4439 | ret = wl1271_acx_arp_ip_filter(wl, wlvif, 0, addr); | |
4440 | } | |
4441 | ||
4442 | if (ret < 0) | |
4443 | goto out; | |
4444 | } | |
4445 | ||
e78a287a AN |
4446 | out: |
4447 | return; | |
4448 | } | |
4449 | ||
4450 | static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, | |
4451 | struct ieee80211_vif *vif, | |
4452 | struct ieee80211_bss_conf *bss_conf, | |
4453 | u32 changed) | |
4454 | { | |
4455 | struct wl1271 *wl = hw->priv; | |
536129c8 EP |
4456 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
4457 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); | |
e78a287a AN |
4458 | int ret; |
4459 | ||
d3f5a1b5 EP |
4460 | wl1271_debug(DEBUG_MAC80211, "mac80211 bss info role %d changed 0x%x", |
4461 | wlvif->role_id, (int)changed); | |
e78a287a | 4462 | |
6b8bf5bc AN |
4463 | /* |
4464 | * make sure to cancel pending disconnections if our association | |
4465 | * state changed | |
4466 | */ | |
4467 | if (!is_ap && (changed & BSS_CHANGED_ASSOC)) | |
c50a2825 | 4468 | cancel_delayed_work_sync(&wlvif->connection_loss_work); |
6b8bf5bc | 4469 | |
b515d83a EP |
4470 | if (is_ap && (changed & BSS_CHANGED_BEACON_ENABLED) && |
4471 | !bss_conf->enable_beacon) | |
4472 | wl1271_tx_flush(wl); | |
4473 | ||
e78a287a AN |
4474 | mutex_lock(&wl->mutex); |
4475 | ||
4cc53383 | 4476 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
e78a287a AN |
4477 | goto out; |
4478 | ||
10c8cd01 EP |
4479 | if (unlikely(!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags))) |
4480 | goto out; | |
4481 | ||
a620865e | 4482 | ret = wl1271_ps_elp_wakeup(wl); |
e78a287a AN |
4483 | if (ret < 0) |
4484 | goto out; | |
4485 | ||
b30d49b2 AG |
4486 | if ((changed & BSS_CHANGED_TXPOWER) && |
4487 | bss_conf->txpower != wlvif->power_level) { | |
4488 | ||
4489 | ret = wl1271_acx_tx_power(wl, wlvif, bss_conf->txpower); | |
4490 | if (ret < 0) | |
4491 | goto out; | |
4492 | ||
4493 | wlvif->power_level = bss_conf->txpower; | |
4494 | } | |
4495 | ||
e78a287a AN |
4496 | if (is_ap) |
4497 | wl1271_bss_info_changed_ap(wl, vif, bss_conf, changed); | |
4498 | else | |
4499 | wl1271_bss_info_changed_sta(wl, vif, bss_conf, changed); | |
4500 | ||
f5fc0f86 LC |
4501 | wl1271_ps_elp_sleep(wl); |
4502 | ||
4503 | out: | |
4504 | mutex_unlock(&wl->mutex); | |
4505 | } | |
4506 | ||
b6970ee5 EP |
4507 | static int wlcore_op_add_chanctx(struct ieee80211_hw *hw, |
4508 | struct ieee80211_chanctx_conf *ctx) | |
4509 | { | |
4510 | wl1271_debug(DEBUG_MAC80211, "mac80211 add chanctx %d (type %d)", | |
aaabee8b LC |
4511 | ieee80211_frequency_to_channel(ctx->def.chan->center_freq), |
4512 | cfg80211_get_chandef_type(&ctx->def)); | |
b6970ee5 EP |
4513 | return 0; |
4514 | } | |
4515 | ||
4516 | static void wlcore_op_remove_chanctx(struct ieee80211_hw *hw, | |
4517 | struct ieee80211_chanctx_conf *ctx) | |
4518 | { | |
4519 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove chanctx %d (type %d)", | |
aaabee8b LC |
4520 | ieee80211_frequency_to_channel(ctx->def.chan->center_freq), |
4521 | cfg80211_get_chandef_type(&ctx->def)); | |
b6970ee5 EP |
4522 | } |
4523 | ||
4524 | static void wlcore_op_change_chanctx(struct ieee80211_hw *hw, | |
4525 | struct ieee80211_chanctx_conf *ctx, | |
4526 | u32 changed) | |
4527 | { | |
4528 | wl1271_debug(DEBUG_MAC80211, | |
4529 | "mac80211 change chanctx %d (type %d) changed 0x%x", | |
aaabee8b LC |
4530 | ieee80211_frequency_to_channel(ctx->def.chan->center_freq), |
4531 | cfg80211_get_chandef_type(&ctx->def), changed); | |
b6970ee5 EP |
4532 | } |
4533 | ||
4534 | static int wlcore_op_assign_vif_chanctx(struct ieee80211_hw *hw, | |
4535 | struct ieee80211_vif *vif, | |
4536 | struct ieee80211_chanctx_conf *ctx) | |
4537 | { | |
4538 | struct wl1271 *wl = hw->priv; | |
4539 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
4540 | int channel = ieee80211_frequency_to_channel( | |
aaabee8b | 4541 | ctx->def.chan->center_freq); |
b6970ee5 EP |
4542 | |
4543 | wl1271_debug(DEBUG_MAC80211, | |
4544 | "mac80211 assign chanctx (role %d) %d (type %d)", | |
aaabee8b | 4545 | wlvif->role_id, channel, cfg80211_get_chandef_type(&ctx->def)); |
b6970ee5 EP |
4546 | |
4547 | mutex_lock(&wl->mutex); | |
4548 | ||
aaabee8b | 4549 | wlvif->band = ctx->def.chan->band; |
b6970ee5 | 4550 | wlvif->channel = channel; |
aaabee8b | 4551 | wlvif->channel_type = cfg80211_get_chandef_type(&ctx->def); |
b6970ee5 EP |
4552 | |
4553 | /* update default rates according to the band */ | |
4554 | wl1271_set_band_rate(wl, wlvif); | |
4555 | ||
4556 | mutex_unlock(&wl->mutex); | |
4557 | ||
4558 | return 0; | |
4559 | } | |
4560 | ||
4561 | static void wlcore_op_unassign_vif_chanctx(struct ieee80211_hw *hw, | |
4562 | struct ieee80211_vif *vif, | |
4563 | struct ieee80211_chanctx_conf *ctx) | |
4564 | { | |
4565 | struct wl1271 *wl = hw->priv; | |
4566 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
4567 | ||
4568 | wl1271_debug(DEBUG_MAC80211, | |
4569 | "mac80211 unassign chanctx (role %d) %d (type %d)", | |
4570 | wlvif->role_id, | |
aaabee8b LC |
4571 | ieee80211_frequency_to_channel(ctx->def.chan->center_freq), |
4572 | cfg80211_get_chandef_type(&ctx->def)); | |
b6970ee5 EP |
4573 | |
4574 | wl1271_tx_flush(wl); | |
4575 | } | |
4576 | ||
8a3a3c85 EP |
4577 | static int wl1271_op_conf_tx(struct ieee80211_hw *hw, |
4578 | struct ieee80211_vif *vif, u16 queue, | |
c6999d83 KV |
4579 | const struct ieee80211_tx_queue_params *params) |
4580 | { | |
4581 | struct wl1271 *wl = hw->priv; | |
0603d891 | 4582 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
4695dc91 | 4583 | u8 ps_scheme; |
488fc540 | 4584 | int ret = 0; |
c6999d83 KV |
4585 | |
4586 | mutex_lock(&wl->mutex); | |
4587 | ||
4588 | wl1271_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue); | |
4589 | ||
4695dc91 KV |
4590 | if (params->uapsd) |
4591 | ps_scheme = CONF_PS_SCHEME_UPSD_TRIGGER; | |
4592 | else | |
4593 | ps_scheme = CONF_PS_SCHEME_LEGACY; | |
4594 | ||
5b37ddfe | 4595 | if (!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) |
c1b193eb | 4596 | goto out; |
488fc540 | 4597 | |
c1b193eb EP |
4598 | ret = wl1271_ps_elp_wakeup(wl); |
4599 | if (ret < 0) | |
4600 | goto out; | |
488fc540 | 4601 | |
c1b193eb EP |
4602 | /* |
4603 | * the txop is confed in units of 32us by the mac80211, | |
4604 | * we need us | |
4605 | */ | |
0603d891 | 4606 | ret = wl1271_acx_ac_cfg(wl, wlvif, wl1271_tx_get_queue(queue), |
c1b193eb EP |
4607 | params->cw_min, params->cw_max, |
4608 | params->aifs, params->txop << 5); | |
4609 | if (ret < 0) | |
4610 | goto out_sleep; | |
4611 | ||
0603d891 | 4612 | ret = wl1271_acx_tid_cfg(wl, wlvif, wl1271_tx_get_queue(queue), |
c1b193eb EP |
4613 | CONF_CHANNEL_TYPE_EDCF, |
4614 | wl1271_tx_get_queue(queue), | |
4615 | ps_scheme, CONF_ACK_POLICY_LEGACY, | |
4616 | 0, 0); | |
c82c1dde KV |
4617 | |
4618 | out_sleep: | |
c1b193eb | 4619 | wl1271_ps_elp_sleep(wl); |
c6999d83 KV |
4620 | |
4621 | out: | |
4622 | mutex_unlock(&wl->mutex); | |
4623 | ||
4624 | return ret; | |
4625 | } | |
4626 | ||
37a41b4a EP |
4627 | static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw, |
4628 | struct ieee80211_vif *vif) | |
bbbb538e JO |
4629 | { |
4630 | ||
4631 | struct wl1271 *wl = hw->priv; | |
9c531149 | 4632 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
bbbb538e JO |
4633 | u64 mactime = ULLONG_MAX; |
4634 | int ret; | |
4635 | ||
4636 | wl1271_debug(DEBUG_MAC80211, "mac80211 get tsf"); | |
4637 | ||
4638 | mutex_lock(&wl->mutex); | |
4639 | ||
4cc53383 | 4640 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
f8d9802f JO |
4641 | goto out; |
4642 | ||
a620865e | 4643 | ret = wl1271_ps_elp_wakeup(wl); |
bbbb538e JO |
4644 | if (ret < 0) |
4645 | goto out; | |
4646 | ||
9c531149 | 4647 | ret = wl12xx_acx_tsf_info(wl, wlvif, &mactime); |
bbbb538e JO |
4648 | if (ret < 0) |
4649 | goto out_sleep; | |
4650 | ||
4651 | out_sleep: | |
4652 | wl1271_ps_elp_sleep(wl); | |
4653 | ||
4654 | out: | |
4655 | mutex_unlock(&wl->mutex); | |
4656 | return mactime; | |
4657 | } | |
f5fc0f86 | 4658 | |
ece550d0 JL |
4659 | static int wl1271_op_get_survey(struct ieee80211_hw *hw, int idx, |
4660 | struct survey_info *survey) | |
4661 | { | |
ece550d0 | 4662 | struct ieee80211_conf *conf = &hw->conf; |
b739a42c | 4663 | |
ece550d0 JL |
4664 | if (idx != 0) |
4665 | return -ENOENT; | |
b739a42c | 4666 | |
675a0b04 | 4667 | survey->channel = conf->chandef.chan; |
add779a0 | 4668 | survey->filled = 0; |
ece550d0 JL |
4669 | return 0; |
4670 | } | |
4671 | ||
409622ec | 4672 | static int wl1271_allocate_sta(struct wl1271 *wl, |
c7ffb902 EP |
4673 | struct wl12xx_vif *wlvif, |
4674 | struct ieee80211_sta *sta) | |
f84f7d78 AN |
4675 | { |
4676 | struct wl1271_station *wl_sta; | |
c7ffb902 | 4677 | int ret; |
f84f7d78 | 4678 | |
c7ffb902 | 4679 | |
32f0fd5b | 4680 | if (wl->active_sta_count >= wl->max_ap_stations) { |
f84f7d78 AN |
4681 | wl1271_warning("could not allocate HLID - too much stations"); |
4682 | return -EBUSY; | |
4683 | } | |
4684 | ||
4685 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
c7ffb902 EP |
4686 | ret = wl12xx_allocate_link(wl, wlvif, &wl_sta->hlid); |
4687 | if (ret < 0) { | |
4688 | wl1271_warning("could not allocate HLID - too many links"); | |
4689 | return -EBUSY; | |
4690 | } | |
4691 | ||
0e752df6 AN |
4692 | /* use the previous security seq, if this is a recovery/resume */ |
4693 | wl->links[wl_sta->hlid].total_freed_pkts = wl_sta->total_freed_pkts; | |
4694 | ||
c7ffb902 | 4695 | set_bit(wl_sta->hlid, wlvif->ap.sta_hlid_map); |
b622d992 | 4696 | memcpy(wl->links[wl_sta->hlid].addr, sta->addr, ETH_ALEN); |
da03209e | 4697 | wl->active_sta_count++; |
f84f7d78 AN |
4698 | return 0; |
4699 | } | |
4700 | ||
c7ffb902 | 4701 | void wl1271_free_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid) |
f84f7d78 | 4702 | { |
0e752df6 AN |
4703 | struct wl1271_station *wl_sta; |
4704 | struct ieee80211_sta *sta; | |
4705 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); | |
4706 | ||
c7ffb902 | 4707 | if (!test_bit(hlid, wlvif->ap.sta_hlid_map)) |
f1acea9a AN |
4708 | return; |
4709 | ||
c7ffb902 | 4710 | clear_bit(hlid, wlvif->ap.sta_hlid_map); |
b622d992 AN |
4711 | __clear_bit(hlid, &wl->ap_ps_map); |
4712 | __clear_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); | |
0e752df6 AN |
4713 | |
4714 | /* | |
4715 | * save the last used PN in the private part of iee80211_sta, | |
4716 | * in case of recovery/suspend | |
4717 | */ | |
4718 | rcu_read_lock(); | |
4719 | sta = ieee80211_find_sta(vif, wl->links[hlid].addr); | |
4720 | if (sta) { | |
4721 | wl_sta = (void *)sta->drv_priv; | |
4722 | wl_sta->total_freed_pkts = wl->links[hlid].total_freed_pkts; | |
4723 | ||
4724 | /* | |
4725 | * increment the initial seq number on recovery to account for | |
4726 | * transmitted packets that we haven't yet got in the FW status | |
4727 | */ | |
4728 | if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) | |
4729 | wl_sta->total_freed_pkts += | |
4730 | WL1271_TX_SQN_POST_RECOVERY_PADDING; | |
4731 | } | |
4732 | rcu_read_unlock(); | |
4733 | ||
c7ffb902 | 4734 | wl12xx_free_link(wl, wlvif, &hlid); |
da03209e | 4735 | wl->active_sta_count--; |
55df5afb AN |
4736 | |
4737 | /* | |
4738 | * rearm the tx watchdog when the last STA is freed - give the FW a | |
4739 | * chance to return STA-buffered packets before complaining. | |
4740 | */ | |
4741 | if (wl->active_sta_count == 0) | |
4742 | wl12xx_rearm_tx_watchdog_locked(wl); | |
f84f7d78 AN |
4743 | } |
4744 | ||
2d6cf2b5 EP |
4745 | static int wl12xx_sta_add(struct wl1271 *wl, |
4746 | struct wl12xx_vif *wlvif, | |
4747 | struct ieee80211_sta *sta) | |
f84f7d78 | 4748 | { |
c7ffb902 | 4749 | struct wl1271_station *wl_sta; |
f84f7d78 AN |
4750 | int ret = 0; |
4751 | u8 hlid; | |
4752 | ||
f84f7d78 AN |
4753 | wl1271_debug(DEBUG_MAC80211, "mac80211 add sta %d", (int)sta->aid); |
4754 | ||
c7ffb902 | 4755 | ret = wl1271_allocate_sta(wl, wlvif, sta); |
f84f7d78 | 4756 | if (ret < 0) |
2d6cf2b5 | 4757 | return ret; |
f84f7d78 | 4758 | |
c7ffb902 EP |
4759 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
4760 | hlid = wl_sta->hlid; | |
4761 | ||
1b92f15e | 4762 | ret = wl12xx_cmd_add_peer(wl, wlvif, sta, hlid); |
f84f7d78 | 4763 | if (ret < 0) |
2d6cf2b5 | 4764 | wl1271_free_sta(wl, wlvif, hlid); |
f84f7d78 | 4765 | |
2d6cf2b5 EP |
4766 | return ret; |
4767 | } | |
b67476ef | 4768 | |
2d6cf2b5 EP |
4769 | static int wl12xx_sta_remove(struct wl1271 *wl, |
4770 | struct wl12xx_vif *wlvif, | |
4771 | struct ieee80211_sta *sta) | |
4772 | { | |
4773 | struct wl1271_station *wl_sta; | |
4774 | int ret = 0, id; | |
0b932ab9 | 4775 | |
2d6cf2b5 EP |
4776 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove sta %d", (int)sta->aid); |
4777 | ||
4778 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
4779 | id = wl_sta->hlid; | |
4780 | if (WARN_ON(!test_bit(id, wlvif->ap.sta_hlid_map))) | |
4781 | return -EINVAL; | |
f84f7d78 | 4782 | |
028e7243 | 4783 | ret = wl12xx_cmd_remove_peer(wl, wlvif, wl_sta->hlid); |
409622ec | 4784 | if (ret < 0) |
2d6cf2b5 | 4785 | return ret; |
409622ec | 4786 | |
2d6cf2b5 | 4787 | wl1271_free_sta(wl, wlvif, wl_sta->hlid); |
f84f7d78 AN |
4788 | return ret; |
4789 | } | |
4790 | ||
426001a6 EP |
4791 | static void wlcore_roc_if_possible(struct wl1271 *wl, |
4792 | struct wl12xx_vif *wlvif) | |
4793 | { | |
4794 | if (find_first_bit(wl->roc_map, | |
4795 | WL12XX_MAX_ROLES) < WL12XX_MAX_ROLES) | |
4796 | return; | |
4797 | ||
4798 | if (WARN_ON(wlvif->role_id == WL12XX_INVALID_ROLE_ID)) | |
4799 | return; | |
4800 | ||
4801 | wl12xx_roc(wl, wlvif, wlvif->role_id, wlvif->band, wlvif->channel); | |
4802 | } | |
4803 | ||
187e52cc AN |
4804 | /* |
4805 | * when wl_sta is NULL, we treat this call as if coming from a | |
4806 | * pending auth reply. | |
4807 | * wl->mutex must be taken and the FW must be awake when the call | |
4808 | * takes place. | |
4809 | */ | |
4810 | void wlcore_update_inconn_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif, | |
4811 | struct wl1271_station *wl_sta, bool in_conn) | |
426001a6 | 4812 | { |
187e52cc AN |
4813 | if (in_conn) { |
4814 | if (WARN_ON(wl_sta && wl_sta->in_connection)) | |
426001a6 | 4815 | return; |
187e52cc AN |
4816 | |
4817 | if (!wlvif->ap_pending_auth_reply && | |
4818 | !wlvif->inconn_count) | |
426001a6 | 4819 | wlcore_roc_if_possible(wl, wlvif); |
187e52cc AN |
4820 | |
4821 | if (wl_sta) { | |
4822 | wl_sta->in_connection = true; | |
4823 | wlvif->inconn_count++; | |
4824 | } else { | |
4825 | wlvif->ap_pending_auth_reply = true; | |
4826 | } | |
426001a6 | 4827 | } else { |
187e52cc | 4828 | if (wl_sta && !wl_sta->in_connection) |
426001a6 EP |
4829 | return; |
4830 | ||
187e52cc | 4831 | if (WARN_ON(!wl_sta && !wlvif->ap_pending_auth_reply)) |
426001a6 EP |
4832 | return; |
4833 | ||
187e52cc AN |
4834 | if (WARN_ON(wl_sta && !wlvif->inconn_count)) |
4835 | return; | |
4836 | ||
4837 | if (wl_sta) { | |
4838 | wl_sta->in_connection = false; | |
4839 | wlvif->inconn_count--; | |
4840 | } else { | |
4841 | wlvif->ap_pending_auth_reply = false; | |
4842 | } | |
4843 | ||
4844 | if (!wlvif->inconn_count && !wlvif->ap_pending_auth_reply && | |
4845 | test_bit(wlvif->role_id, wl->roc_map)) | |
4846 | wl12xx_croc(wl, wlvif->role_id); | |
426001a6 EP |
4847 | } |
4848 | } | |
4849 | ||
2d6cf2b5 EP |
4850 | static int wl12xx_update_sta_state(struct wl1271 *wl, |
4851 | struct wl12xx_vif *wlvif, | |
4852 | struct ieee80211_sta *sta, | |
4853 | enum ieee80211_sta_state old_state, | |
4854 | enum ieee80211_sta_state new_state) | |
f84f7d78 | 4855 | { |
f84f7d78 | 4856 | struct wl1271_station *wl_sta; |
2d6cf2b5 EP |
4857 | bool is_ap = wlvif->bss_type == BSS_TYPE_AP_BSS; |
4858 | bool is_sta = wlvif->bss_type == BSS_TYPE_STA_BSS; | |
4859 | int ret; | |
f84f7d78 | 4860 | |
2d6cf2b5 | 4861 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
f84f7d78 | 4862 | |
2d6cf2b5 EP |
4863 | /* Add station (AP mode) */ |
4864 | if (is_ap && | |
4865 | old_state == IEEE80211_STA_NOTEXIST && | |
29936266 EP |
4866 | new_state == IEEE80211_STA_NONE) { |
4867 | ret = wl12xx_sta_add(wl, wlvif, sta); | |
4868 | if (ret) | |
4869 | return ret; | |
426001a6 EP |
4870 | |
4871 | wlcore_update_inconn_sta(wl, wlvif, wl_sta, true); | |
29936266 | 4872 | } |
2d6cf2b5 EP |
4873 | |
4874 | /* Remove station (AP mode) */ | |
4875 | if (is_ap && | |
4876 | old_state == IEEE80211_STA_NONE && | |
4877 | new_state == IEEE80211_STA_NOTEXIST) { | |
4878 | /* must not fail */ | |
4879 | wl12xx_sta_remove(wl, wlvif, sta); | |
426001a6 EP |
4880 | |
4881 | wlcore_update_inconn_sta(wl, wlvif, wl_sta, false); | |
2d6cf2b5 | 4882 | } |
f84f7d78 | 4883 | |
2d6cf2b5 EP |
4884 | /* Authorize station (AP mode) */ |
4885 | if (is_ap && | |
4886 | new_state == IEEE80211_STA_AUTHORIZED) { | |
2fec3d27 | 4887 | ret = wl12xx_cmd_set_peer_state(wl, wlvif, wl_sta->hlid); |
2d6cf2b5 EP |
4888 | if (ret < 0) |
4889 | return ret; | |
f84f7d78 | 4890 | |
2d6cf2b5 | 4891 | ret = wl1271_acx_set_ht_capabilities(wl, &sta->ht_cap, true, |
2fec3d27 | 4892 | wl_sta->hlid); |
29936266 EP |
4893 | if (ret) |
4894 | return ret; | |
426001a6 EP |
4895 | |
4896 | wlcore_update_inconn_sta(wl, wlvif, wl_sta, false); | |
2d6cf2b5 | 4897 | } |
f84f7d78 | 4898 | |
9fd6f21b EP |
4899 | /* Authorize station */ |
4900 | if (is_sta && | |
4901 | new_state == IEEE80211_STA_AUTHORIZED) { | |
4902 | set_bit(WLVIF_FLAG_STA_AUTHORIZED, &wlvif->flags); | |
29936266 EP |
4903 | ret = wl12xx_set_authorized(wl, wlvif); |
4904 | if (ret) | |
4905 | return ret; | |
9fd6f21b EP |
4906 | } |
4907 | ||
4908 | if (is_sta && | |
4909 | old_state == IEEE80211_STA_AUTHORIZED && | |
4910 | new_state == IEEE80211_STA_ASSOC) { | |
4911 | clear_bit(WLVIF_FLAG_STA_AUTHORIZED, &wlvif->flags); | |
3230f35e | 4912 | clear_bit(WLVIF_FLAG_STA_STATE_SENT, &wlvif->flags); |
9fd6f21b EP |
4913 | } |
4914 | ||
29936266 EP |
4915 | /* clear ROCs on failure or authorization */ |
4916 | if (is_sta && | |
4917 | (new_state == IEEE80211_STA_AUTHORIZED || | |
4918 | new_state == IEEE80211_STA_NOTEXIST)) { | |
4919 | if (test_bit(wlvif->role_id, wl->roc_map)) | |
4920 | wl12xx_croc(wl, wlvif->role_id); | |
9fd6f21b EP |
4921 | } |
4922 | ||
29936266 EP |
4923 | if (is_sta && |
4924 | old_state == IEEE80211_STA_NOTEXIST && | |
4925 | new_state == IEEE80211_STA_NONE) { | |
4926 | if (find_first_bit(wl->roc_map, | |
4927 | WL12XX_MAX_ROLES) >= WL12XX_MAX_ROLES) { | |
4928 | WARN_ON(wlvif->role_id == WL12XX_INVALID_ROLE_ID); | |
4929 | wl12xx_roc(wl, wlvif, wlvif->role_id, | |
4930 | wlvif->band, wlvif->channel); | |
4931 | } | |
4932 | } | |
2d6cf2b5 EP |
4933 | return 0; |
4934 | } | |
4935 | ||
4936 | static int wl12xx_op_sta_state(struct ieee80211_hw *hw, | |
4937 | struct ieee80211_vif *vif, | |
4938 | struct ieee80211_sta *sta, | |
4939 | enum ieee80211_sta_state old_state, | |
4940 | enum ieee80211_sta_state new_state) | |
4941 | { | |
4942 | struct wl1271 *wl = hw->priv; | |
4943 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
4944 | int ret; | |
4945 | ||
4946 | wl1271_debug(DEBUG_MAC80211, "mac80211 sta %d state=%d->%d", | |
4947 | sta->aid, old_state, new_state); | |
4948 | ||
4949 | mutex_lock(&wl->mutex); | |
4950 | ||
4cc53383 | 4951 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
2d6cf2b5 | 4952 | ret = -EBUSY; |
f84f7d78 | 4953 | goto out; |
2d6cf2b5 | 4954 | } |
f84f7d78 | 4955 | |
a620865e | 4956 | ret = wl1271_ps_elp_wakeup(wl); |
f84f7d78 AN |
4957 | if (ret < 0) |
4958 | goto out; | |
4959 | ||
2d6cf2b5 | 4960 | ret = wl12xx_update_sta_state(wl, wlvif, sta, old_state, new_state); |
f84f7d78 | 4961 | |
f84f7d78 | 4962 | wl1271_ps_elp_sleep(wl); |
f84f7d78 AN |
4963 | out: |
4964 | mutex_unlock(&wl->mutex); | |
2d6cf2b5 EP |
4965 | if (new_state < old_state) |
4966 | return 0; | |
f84f7d78 AN |
4967 | return ret; |
4968 | } | |
4969 | ||
4623ec7d LC |
4970 | static int wl1271_op_ampdu_action(struct ieee80211_hw *hw, |
4971 | struct ieee80211_vif *vif, | |
4972 | enum ieee80211_ampdu_mlme_action action, | |
4973 | struct ieee80211_sta *sta, u16 tid, u16 *ssn, | |
4974 | u8 buf_size) | |
bbba3e68 LS |
4975 | { |
4976 | struct wl1271 *wl = hw->priv; | |
536129c8 | 4977 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
bbba3e68 | 4978 | int ret; |
0f9c8250 AN |
4979 | u8 hlid, *ba_bitmap; |
4980 | ||
4981 | wl1271_debug(DEBUG_MAC80211, "mac80211 ampdu action %d tid %d", action, | |
4982 | tid); | |
4983 | ||
4984 | /* sanity check - the fields in FW are only 8bits wide */ | |
4985 | if (WARN_ON(tid > 0xFF)) | |
4986 | return -ENOTSUPP; | |
bbba3e68 LS |
4987 | |
4988 | mutex_lock(&wl->mutex); | |
4989 | ||
4cc53383 | 4990 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
bbba3e68 LS |
4991 | ret = -EAGAIN; |
4992 | goto out; | |
4993 | } | |
4994 | ||
536129c8 | 4995 | if (wlvif->bss_type == BSS_TYPE_STA_BSS) { |
154da67c | 4996 | hlid = wlvif->sta.hlid; |
536129c8 | 4997 | } else if (wlvif->bss_type == BSS_TYPE_AP_BSS) { |
0f9c8250 AN |
4998 | struct wl1271_station *wl_sta; |
4999 | ||
5000 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
5001 | hlid = wl_sta->hlid; | |
0f9c8250 AN |
5002 | } else { |
5003 | ret = -EINVAL; | |
5004 | goto out; | |
5005 | } | |
5006 | ||
9ae5d8d4 AN |
5007 | ba_bitmap = &wl->links[hlid].ba_bitmap; |
5008 | ||
a620865e | 5009 | ret = wl1271_ps_elp_wakeup(wl); |
bbba3e68 LS |
5010 | if (ret < 0) |
5011 | goto out; | |
5012 | ||
70559a06 SL |
5013 | wl1271_debug(DEBUG_MAC80211, "mac80211 ampdu: Rx tid %d action %d", |
5014 | tid, action); | |
5015 | ||
bbba3e68 LS |
5016 | switch (action) { |
5017 | case IEEE80211_AMPDU_RX_START: | |
d0802abd | 5018 | if (!wlvif->ba_support || !wlvif->ba_allowed) { |
bbba3e68 | 5019 | ret = -ENOTSUPP; |
0f9c8250 AN |
5020 | break; |
5021 | } | |
5022 | ||
d21553f8 | 5023 | if (wl->ba_rx_session_count >= wl->ba_rx_session_count_max) { |
0f9c8250 AN |
5024 | ret = -EBUSY; |
5025 | wl1271_error("exceeded max RX BA sessions"); | |
5026 | break; | |
5027 | } | |
5028 | ||
5029 | if (*ba_bitmap & BIT(tid)) { | |
5030 | ret = -EINVAL; | |
5031 | wl1271_error("cannot enable RX BA session on active " | |
5032 | "tid: %d", tid); | |
5033 | break; | |
5034 | } | |
5035 | ||
5036 | ret = wl12xx_acx_set_ba_receiver_session(wl, tid, *ssn, true, | |
5037 | hlid); | |
5038 | if (!ret) { | |
5039 | *ba_bitmap |= BIT(tid); | |
5040 | wl->ba_rx_session_count++; | |
bbba3e68 LS |
5041 | } |
5042 | break; | |
5043 | ||
5044 | case IEEE80211_AMPDU_RX_STOP: | |
0f9c8250 | 5045 | if (!(*ba_bitmap & BIT(tid))) { |
c954910b AN |
5046 | /* |
5047 | * this happens on reconfig - so only output a debug | |
5048 | * message for now, and don't fail the function. | |
5049 | */ | |
5050 | wl1271_debug(DEBUG_MAC80211, | |
5051 | "no active RX BA session on tid: %d", | |
0f9c8250 | 5052 | tid); |
c954910b | 5053 | ret = 0; |
0f9c8250 AN |
5054 | break; |
5055 | } | |
5056 | ||
5057 | ret = wl12xx_acx_set_ba_receiver_session(wl, tid, 0, false, | |
5058 | hlid); | |
5059 | if (!ret) { | |
5060 | *ba_bitmap &= ~BIT(tid); | |
5061 | wl->ba_rx_session_count--; | |
5062 | } | |
bbba3e68 LS |
5063 | break; |
5064 | ||
5065 | /* | |
5066 | * The BA initiator session management in FW independently. | |
5067 | * Falling break here on purpose for all TX APDU commands. | |
5068 | */ | |
5069 | case IEEE80211_AMPDU_TX_START: | |
18b559d5 JB |
5070 | case IEEE80211_AMPDU_TX_STOP_CONT: |
5071 | case IEEE80211_AMPDU_TX_STOP_FLUSH: | |
5072 | case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: | |
bbba3e68 LS |
5073 | case IEEE80211_AMPDU_TX_OPERATIONAL: |
5074 | ret = -EINVAL; | |
5075 | break; | |
5076 | ||
5077 | default: | |
5078 | wl1271_error("Incorrect ampdu action id=%x\n", action); | |
5079 | ret = -EINVAL; | |
5080 | } | |
5081 | ||
5082 | wl1271_ps_elp_sleep(wl); | |
5083 | ||
5084 | out: | |
5085 | mutex_unlock(&wl->mutex); | |
5086 | ||
5087 | return ret; | |
5088 | } | |
5089 | ||
af7fbb28 EP |
5090 | static int wl12xx_set_bitrate_mask(struct ieee80211_hw *hw, |
5091 | struct ieee80211_vif *vif, | |
5092 | const struct cfg80211_bitrate_mask *mask) | |
5093 | { | |
83587505 | 5094 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
af7fbb28 | 5095 | struct wl1271 *wl = hw->priv; |
d6fa37c9 | 5096 | int i, ret = 0; |
af7fbb28 EP |
5097 | |
5098 | wl1271_debug(DEBUG_MAC80211, "mac80211 set_bitrate_mask 0x%x 0x%x", | |
5099 | mask->control[NL80211_BAND_2GHZ].legacy, | |
5100 | mask->control[NL80211_BAND_5GHZ].legacy); | |
5101 | ||
5102 | mutex_lock(&wl->mutex); | |
5103 | ||
091185d6 | 5104 | for (i = 0; i < WLCORE_NUM_BANDS; i++) |
83587505 | 5105 | wlvif->bitrate_masks[i] = |
af7fbb28 EP |
5106 | wl1271_tx_enabled_rates_get(wl, |
5107 | mask->control[i].legacy, | |
5108 | i); | |
d6fa37c9 | 5109 | |
4cc53383 | 5110 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
d6fa37c9 EP |
5111 | goto out; |
5112 | ||
5113 | if (wlvif->bss_type == BSS_TYPE_STA_BSS && | |
5114 | !test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) { | |
5115 | ||
5116 | ret = wl1271_ps_elp_wakeup(wl); | |
5117 | if (ret < 0) | |
5118 | goto out; | |
5119 | ||
5120 | wl1271_set_band_rate(wl, wlvif); | |
5121 | wlvif->basic_rate = | |
5122 | wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); | |
5123 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); | |
5124 | ||
5125 | wl1271_ps_elp_sleep(wl); | |
5126 | } | |
5127 | out: | |
af7fbb28 EP |
5128 | mutex_unlock(&wl->mutex); |
5129 | ||
d6fa37c9 | 5130 | return ret; |
af7fbb28 EP |
5131 | } |
5132 | ||
6d158ff3 SL |
5133 | static void wl12xx_op_channel_switch(struct ieee80211_hw *hw, |
5134 | struct ieee80211_channel_switch *ch_switch) | |
5135 | { | |
5136 | struct wl1271 *wl = hw->priv; | |
52630c5d | 5137 | struct wl12xx_vif *wlvif; |
6d158ff3 SL |
5138 | int ret; |
5139 | ||
5140 | wl1271_debug(DEBUG_MAC80211, "mac80211 channel switch"); | |
5141 | ||
b9239b66 AN |
5142 | wl1271_tx_flush(wl); |
5143 | ||
6d158ff3 SL |
5144 | mutex_lock(&wl->mutex); |
5145 | ||
4cc53383 | 5146 | if (unlikely(wl->state == WLCORE_STATE_OFF)) { |
6e8cd331 EP |
5147 | wl12xx_for_each_wlvif_sta(wl, wlvif) { |
5148 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); | |
5149 | ieee80211_chswitch_done(vif, false); | |
5150 | } | |
5151 | goto out; | |
4cc53383 IY |
5152 | } else if (unlikely(wl->state != WLCORE_STATE_ON)) { |
5153 | goto out; | |
6d158ff3 SL |
5154 | } |
5155 | ||
5156 | ret = wl1271_ps_elp_wakeup(wl); | |
5157 | if (ret < 0) | |
5158 | goto out; | |
5159 | ||
52630c5d EP |
5160 | /* TODO: change mac80211 to pass vif as param */ |
5161 | wl12xx_for_each_wlvif_sta(wl, wlvif) { | |
c50a2825 | 5162 | unsigned long delay_usec; |
6d158ff3 | 5163 | |
fcab1890 | 5164 | ret = wl->ops->channel_switch(wl, wlvif, ch_switch); |
c50a2825 EP |
5165 | if (ret) |
5166 | goto out_sleep; | |
6d158ff3 | 5167 | |
c50a2825 EP |
5168 | set_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags); |
5169 | ||
5170 | /* indicate failure 5 seconds after channel switch time */ | |
5171 | delay_usec = ieee80211_tu_to_usec(wlvif->beacon_int) * | |
5172 | ch_switch->count; | |
5173 | ieee80211_queue_delayed_work(hw, &wlvif->channel_switch_work, | |
5174 | usecs_to_jiffies(delay_usec) + | |
5175 | msecs_to_jiffies(5000)); | |
52630c5d | 5176 | } |
6d158ff3 | 5177 | |
c50a2825 | 5178 | out_sleep: |
6d158ff3 SL |
5179 | wl1271_ps_elp_sleep(wl); |
5180 | ||
5181 | out: | |
5182 | mutex_unlock(&wl->mutex); | |
5183 | } | |
5184 | ||
39ecc01d | 5185 | static void wlcore_op_flush(struct ieee80211_hw *hw, u32 queues, bool drop) |
d8ae5a25 EP |
5186 | { |
5187 | struct wl1271 *wl = hw->priv; | |
5188 | ||
5189 | wl1271_tx_flush(wl); | |
5190 | } | |
5191 | ||
dabf37db EP |
5192 | static int wlcore_op_remain_on_channel(struct ieee80211_hw *hw, |
5193 | struct ieee80211_vif *vif, | |
5194 | struct ieee80211_channel *chan, | |
d339d5ca IP |
5195 | int duration, |
5196 | enum ieee80211_roc_type type) | |
dabf37db EP |
5197 | { |
5198 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
5199 | struct wl1271 *wl = hw->priv; | |
5200 | int channel, ret = 0; | |
5201 | ||
5202 | channel = ieee80211_frequency_to_channel(chan->center_freq); | |
5203 | ||
5204 | wl1271_debug(DEBUG_MAC80211, "mac80211 roc %d (%d)", | |
5205 | channel, wlvif->role_id); | |
5206 | ||
5207 | mutex_lock(&wl->mutex); | |
5208 | ||
5209 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
5210 | goto out; | |
5211 | ||
5212 | /* return EBUSY if we can't ROC right now */ | |
5213 | if (WARN_ON(wl->roc_vif || | |
5214 | find_first_bit(wl->roc_map, | |
5215 | WL12XX_MAX_ROLES) < WL12XX_MAX_ROLES)) { | |
5216 | ret = -EBUSY; | |
5217 | goto out; | |
5218 | } | |
5219 | ||
5220 | ret = wl1271_ps_elp_wakeup(wl); | |
5221 | if (ret < 0) | |
5222 | goto out; | |
5223 | ||
5224 | ret = wl12xx_start_dev(wl, wlvif, chan->band, channel); | |
5225 | if (ret < 0) | |
5226 | goto out_sleep; | |
5227 | ||
5228 | wl->roc_vif = vif; | |
5229 | ieee80211_queue_delayed_work(hw, &wl->roc_complete_work, | |
5230 | msecs_to_jiffies(duration)); | |
5231 | out_sleep: | |
5232 | wl1271_ps_elp_sleep(wl); | |
5233 | out: | |
5234 | mutex_unlock(&wl->mutex); | |
5235 | return ret; | |
5236 | } | |
5237 | ||
5238 | static int __wlcore_roc_completed(struct wl1271 *wl) | |
5239 | { | |
5240 | struct wl12xx_vif *wlvif; | |
5241 | int ret; | |
5242 | ||
5243 | /* already completed */ | |
5244 | if (unlikely(!wl->roc_vif)) | |
5245 | return 0; | |
5246 | ||
5247 | wlvif = wl12xx_vif_to_data(wl->roc_vif); | |
5248 | ||
5249 | if (!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) | |
5250 | return -EBUSY; | |
5251 | ||
5252 | ret = wl12xx_stop_dev(wl, wlvif); | |
5253 | if (ret < 0) | |
5254 | return ret; | |
5255 | ||
5256 | wl->roc_vif = NULL; | |
5257 | ||
5258 | return 0; | |
5259 | } | |
5260 | ||
5261 | static int wlcore_roc_completed(struct wl1271 *wl) | |
5262 | { | |
5263 | int ret; | |
5264 | ||
5265 | wl1271_debug(DEBUG_MAC80211, "roc complete"); | |
5266 | ||
5267 | mutex_lock(&wl->mutex); | |
5268 | ||
5269 | if (unlikely(wl->state != WLCORE_STATE_ON)) { | |
5270 | ret = -EBUSY; | |
5271 | goto out; | |
5272 | } | |
5273 | ||
5274 | ret = wl1271_ps_elp_wakeup(wl); | |
5275 | if (ret < 0) | |
5276 | goto out; | |
5277 | ||
5278 | ret = __wlcore_roc_completed(wl); | |
5279 | ||
5280 | wl1271_ps_elp_sleep(wl); | |
5281 | out: | |
5282 | mutex_unlock(&wl->mutex); | |
5283 | ||
5284 | return ret; | |
5285 | } | |
5286 | ||
5287 | static void wlcore_roc_complete_work(struct work_struct *work) | |
5288 | { | |
5289 | struct delayed_work *dwork; | |
5290 | struct wl1271 *wl; | |
5291 | int ret; | |
5292 | ||
5293 | dwork = container_of(work, struct delayed_work, work); | |
5294 | wl = container_of(dwork, struct wl1271, roc_complete_work); | |
5295 | ||
5296 | ret = wlcore_roc_completed(wl); | |
5297 | if (!ret) | |
5298 | ieee80211_remain_on_channel_expired(wl->hw); | |
5299 | } | |
5300 | ||
5301 | static int wlcore_op_cancel_remain_on_channel(struct ieee80211_hw *hw) | |
5302 | { | |
5303 | struct wl1271 *wl = hw->priv; | |
5304 | ||
5305 | wl1271_debug(DEBUG_MAC80211, "mac80211 croc"); | |
5306 | ||
5307 | /* TODO: per-vif */ | |
5308 | wl1271_tx_flush(wl); | |
5309 | ||
5310 | /* | |
5311 | * we can't just flush_work here, because it might deadlock | |
5312 | * (as we might get called from the same workqueue) | |
5313 | */ | |
5314 | cancel_delayed_work_sync(&wl->roc_complete_work); | |
5315 | wlcore_roc_completed(wl); | |
5316 | ||
5317 | return 0; | |
5318 | } | |
5319 | ||
5f9b6777 AN |
5320 | static void wlcore_op_sta_rc_update(struct ieee80211_hw *hw, |
5321 | struct ieee80211_vif *vif, | |
5322 | struct ieee80211_sta *sta, | |
5323 | u32 changed) | |
5324 | { | |
5325 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
5326 | struct wl1271 *wl = hw->priv; | |
5327 | ||
5328 | wlcore_hw_sta_rc_update(wl, wlvif, sta, changed); | |
5329 | } | |
5330 | ||
0a9ffac0 NZ |
5331 | static int wlcore_op_get_rssi(struct ieee80211_hw *hw, |
5332 | struct ieee80211_vif *vif, | |
5333 | struct ieee80211_sta *sta, | |
5334 | s8 *rssi_dbm) | |
5335 | { | |
5336 | struct wl1271 *wl = hw->priv; | |
5337 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
5338 | int ret = 0; | |
5339 | ||
5340 | wl1271_debug(DEBUG_MAC80211, "mac80211 get_rssi"); | |
5341 | ||
5342 | mutex_lock(&wl->mutex); | |
5343 | ||
5344 | if (unlikely(wl->state != WLCORE_STATE_ON)) | |
5345 | goto out; | |
5346 | ||
5347 | ret = wl1271_ps_elp_wakeup(wl); | |
5348 | if (ret < 0) | |
5349 | goto out_sleep; | |
5350 | ||
5351 | ret = wlcore_acx_average_rssi(wl, wlvif, rssi_dbm); | |
5352 | if (ret < 0) | |
5353 | goto out_sleep; | |
5354 | ||
5355 | out_sleep: | |
5356 | wl1271_ps_elp_sleep(wl); | |
5357 | ||
5358 | out: | |
5359 | mutex_unlock(&wl->mutex); | |
5360 | ||
5361 | return ret; | |
5362 | } | |
5363 | ||
33437893 AN |
5364 | static bool wl1271_tx_frames_pending(struct ieee80211_hw *hw) |
5365 | { | |
5366 | struct wl1271 *wl = hw->priv; | |
5367 | bool ret = false; | |
5368 | ||
5369 | mutex_lock(&wl->mutex); | |
5370 | ||
4cc53383 | 5371 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
33437893 AN |
5372 | goto out; |
5373 | ||
5374 | /* packets are considered pending if in the TX queue or the FW */ | |
f1a46384 | 5375 | ret = (wl1271_tx_total_queue_count(wl) > 0) || (wl->tx_frames_cnt > 0); |
33437893 AN |
5376 | out: |
5377 | mutex_unlock(&wl->mutex); | |
5378 | ||
5379 | return ret; | |
5380 | } | |
5381 | ||
f5fc0f86 LC |
5382 | /* can't be const, mac80211 writes to this */ |
5383 | static struct ieee80211_rate wl1271_rates[] = { | |
5384 | { .bitrate = 10, | |
2b60100b JO |
5385 | .hw_value = CONF_HW_BIT_RATE_1MBPS, |
5386 | .hw_value_short = CONF_HW_BIT_RATE_1MBPS, }, | |
f5fc0f86 | 5387 | { .bitrate = 20, |
2b60100b JO |
5388 | .hw_value = CONF_HW_BIT_RATE_2MBPS, |
5389 | .hw_value_short = CONF_HW_BIT_RATE_2MBPS, | |
f5fc0f86 LC |
5390 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
5391 | { .bitrate = 55, | |
2b60100b JO |
5392 | .hw_value = CONF_HW_BIT_RATE_5_5MBPS, |
5393 | .hw_value_short = CONF_HW_BIT_RATE_5_5MBPS, | |
f5fc0f86 LC |
5394 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
5395 | { .bitrate = 110, | |
2b60100b JO |
5396 | .hw_value = CONF_HW_BIT_RATE_11MBPS, |
5397 | .hw_value_short = CONF_HW_BIT_RATE_11MBPS, | |
f5fc0f86 LC |
5398 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
5399 | { .bitrate = 60, | |
2b60100b JO |
5400 | .hw_value = CONF_HW_BIT_RATE_6MBPS, |
5401 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
f5fc0f86 | 5402 | { .bitrate = 90, |
2b60100b JO |
5403 | .hw_value = CONF_HW_BIT_RATE_9MBPS, |
5404 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
f5fc0f86 | 5405 | { .bitrate = 120, |
2b60100b JO |
5406 | .hw_value = CONF_HW_BIT_RATE_12MBPS, |
5407 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
f5fc0f86 | 5408 | { .bitrate = 180, |
2b60100b JO |
5409 | .hw_value = CONF_HW_BIT_RATE_18MBPS, |
5410 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
f5fc0f86 | 5411 | { .bitrate = 240, |
2b60100b JO |
5412 | .hw_value = CONF_HW_BIT_RATE_24MBPS, |
5413 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
f5fc0f86 | 5414 | { .bitrate = 360, |
2b60100b JO |
5415 | .hw_value = CONF_HW_BIT_RATE_36MBPS, |
5416 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
f5fc0f86 | 5417 | { .bitrate = 480, |
2b60100b JO |
5418 | .hw_value = CONF_HW_BIT_RATE_48MBPS, |
5419 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
f5fc0f86 | 5420 | { .bitrate = 540, |
2b60100b JO |
5421 | .hw_value = CONF_HW_BIT_RATE_54MBPS, |
5422 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
f5fc0f86 LC |
5423 | }; |
5424 | ||
fa97f46b | 5425 | /* can't be const, mac80211 writes to this */ |
f5fc0f86 | 5426 | static struct ieee80211_channel wl1271_channels[] = { |
583f8164 VG |
5427 | { .hw_value = 1, .center_freq = 2412, .max_power = WLCORE_MAX_TXPWR }, |
5428 | { .hw_value = 2, .center_freq = 2417, .max_power = WLCORE_MAX_TXPWR }, | |
5429 | { .hw_value = 3, .center_freq = 2422, .max_power = WLCORE_MAX_TXPWR }, | |
5430 | { .hw_value = 4, .center_freq = 2427, .max_power = WLCORE_MAX_TXPWR }, | |
5431 | { .hw_value = 5, .center_freq = 2432, .max_power = WLCORE_MAX_TXPWR }, | |
5432 | { .hw_value = 6, .center_freq = 2437, .max_power = WLCORE_MAX_TXPWR }, | |
5433 | { .hw_value = 7, .center_freq = 2442, .max_power = WLCORE_MAX_TXPWR }, | |
5434 | { .hw_value = 8, .center_freq = 2447, .max_power = WLCORE_MAX_TXPWR }, | |
5435 | { .hw_value = 9, .center_freq = 2452, .max_power = WLCORE_MAX_TXPWR }, | |
5436 | { .hw_value = 10, .center_freq = 2457, .max_power = WLCORE_MAX_TXPWR }, | |
5437 | { .hw_value = 11, .center_freq = 2462, .max_power = WLCORE_MAX_TXPWR }, | |
5438 | { .hw_value = 12, .center_freq = 2467, .max_power = WLCORE_MAX_TXPWR }, | |
5439 | { .hw_value = 13, .center_freq = 2472, .max_power = WLCORE_MAX_TXPWR }, | |
5440 | { .hw_value = 14, .center_freq = 2484, .max_power = WLCORE_MAX_TXPWR }, | |
f5fc0f86 LC |
5441 | }; |
5442 | ||
5443 | /* can't be const, mac80211 writes to this */ | |
5444 | static struct ieee80211_supported_band wl1271_band_2ghz = { | |
5445 | .channels = wl1271_channels, | |
5446 | .n_channels = ARRAY_SIZE(wl1271_channels), | |
5447 | .bitrates = wl1271_rates, | |
5448 | .n_bitrates = ARRAY_SIZE(wl1271_rates), | |
5449 | }; | |
5450 | ||
1ebec3d7 TP |
5451 | /* 5 GHz data rates for WL1273 */ |
5452 | static struct ieee80211_rate wl1271_rates_5ghz[] = { | |
5453 | { .bitrate = 60, | |
5454 | .hw_value = CONF_HW_BIT_RATE_6MBPS, | |
5455 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
5456 | { .bitrate = 90, | |
5457 | .hw_value = CONF_HW_BIT_RATE_9MBPS, | |
5458 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
5459 | { .bitrate = 120, | |
5460 | .hw_value = CONF_HW_BIT_RATE_12MBPS, | |
5461 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
5462 | { .bitrate = 180, | |
5463 | .hw_value = CONF_HW_BIT_RATE_18MBPS, | |
5464 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
5465 | { .bitrate = 240, | |
5466 | .hw_value = CONF_HW_BIT_RATE_24MBPS, | |
5467 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
5468 | { .bitrate = 360, | |
5469 | .hw_value = CONF_HW_BIT_RATE_36MBPS, | |
5470 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
5471 | { .bitrate = 480, | |
5472 | .hw_value = CONF_HW_BIT_RATE_48MBPS, | |
5473 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
5474 | { .bitrate = 540, | |
5475 | .hw_value = CONF_HW_BIT_RATE_54MBPS, | |
5476 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
5477 | }; | |
5478 | ||
fa97f46b | 5479 | /* 5 GHz band channels for WL1273 */ |
1ebec3d7 | 5480 | static struct ieee80211_channel wl1271_channels_5ghz[] = { |
583f8164 | 5481 | { .hw_value = 8, .center_freq = 5040, .max_power = WLCORE_MAX_TXPWR }, |
583f8164 VG |
5482 | { .hw_value = 12, .center_freq = 5060, .max_power = WLCORE_MAX_TXPWR }, |
5483 | { .hw_value = 16, .center_freq = 5080, .max_power = WLCORE_MAX_TXPWR }, | |
5484 | { .hw_value = 34, .center_freq = 5170, .max_power = WLCORE_MAX_TXPWR }, | |
5485 | { .hw_value = 36, .center_freq = 5180, .max_power = WLCORE_MAX_TXPWR }, | |
5486 | { .hw_value = 38, .center_freq = 5190, .max_power = WLCORE_MAX_TXPWR }, | |
5487 | { .hw_value = 40, .center_freq = 5200, .max_power = WLCORE_MAX_TXPWR }, | |
5488 | { .hw_value = 42, .center_freq = 5210, .max_power = WLCORE_MAX_TXPWR }, | |
5489 | { .hw_value = 44, .center_freq = 5220, .max_power = WLCORE_MAX_TXPWR }, | |
5490 | { .hw_value = 46, .center_freq = 5230, .max_power = WLCORE_MAX_TXPWR }, | |
5491 | { .hw_value = 48, .center_freq = 5240, .max_power = WLCORE_MAX_TXPWR }, | |
5492 | { .hw_value = 52, .center_freq = 5260, .max_power = WLCORE_MAX_TXPWR }, | |
5493 | { .hw_value = 56, .center_freq = 5280, .max_power = WLCORE_MAX_TXPWR }, | |
5494 | { .hw_value = 60, .center_freq = 5300, .max_power = WLCORE_MAX_TXPWR }, | |
5495 | { .hw_value = 64, .center_freq = 5320, .max_power = WLCORE_MAX_TXPWR }, | |
5496 | { .hw_value = 100, .center_freq = 5500, .max_power = WLCORE_MAX_TXPWR }, | |
5497 | { .hw_value = 104, .center_freq = 5520, .max_power = WLCORE_MAX_TXPWR }, | |
5498 | { .hw_value = 108, .center_freq = 5540, .max_power = WLCORE_MAX_TXPWR }, | |
5499 | { .hw_value = 112, .center_freq = 5560, .max_power = WLCORE_MAX_TXPWR }, | |
5500 | { .hw_value = 116, .center_freq = 5580, .max_power = WLCORE_MAX_TXPWR }, | |
5501 | { .hw_value = 120, .center_freq = 5600, .max_power = WLCORE_MAX_TXPWR }, | |
5502 | { .hw_value = 124, .center_freq = 5620, .max_power = WLCORE_MAX_TXPWR }, | |
5503 | { .hw_value = 128, .center_freq = 5640, .max_power = WLCORE_MAX_TXPWR }, | |
5504 | { .hw_value = 132, .center_freq = 5660, .max_power = WLCORE_MAX_TXPWR }, | |
5505 | { .hw_value = 136, .center_freq = 5680, .max_power = WLCORE_MAX_TXPWR }, | |
5506 | { .hw_value = 140, .center_freq = 5700, .max_power = WLCORE_MAX_TXPWR }, | |
5507 | { .hw_value = 149, .center_freq = 5745, .max_power = WLCORE_MAX_TXPWR }, | |
5508 | { .hw_value = 153, .center_freq = 5765, .max_power = WLCORE_MAX_TXPWR }, | |
5509 | { .hw_value = 157, .center_freq = 5785, .max_power = WLCORE_MAX_TXPWR }, | |
5510 | { .hw_value = 161, .center_freq = 5805, .max_power = WLCORE_MAX_TXPWR }, | |
5511 | { .hw_value = 165, .center_freq = 5825, .max_power = WLCORE_MAX_TXPWR }, | |
1ebec3d7 TP |
5512 | }; |
5513 | ||
1ebec3d7 TP |
5514 | static struct ieee80211_supported_band wl1271_band_5ghz = { |
5515 | .channels = wl1271_channels_5ghz, | |
5516 | .n_channels = ARRAY_SIZE(wl1271_channels_5ghz), | |
5517 | .bitrates = wl1271_rates_5ghz, | |
5518 | .n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz), | |
f876bb9a JO |
5519 | }; |
5520 | ||
f5fc0f86 LC |
5521 | static const struct ieee80211_ops wl1271_ops = { |
5522 | .start = wl1271_op_start, | |
c24ec83b | 5523 | .stop = wlcore_op_stop, |
f5fc0f86 LC |
5524 | .add_interface = wl1271_op_add_interface, |
5525 | .remove_interface = wl1271_op_remove_interface, | |
c0fad1b7 | 5526 | .change_interface = wl12xx_op_change_interface, |
f634a4e7 | 5527 | #ifdef CONFIG_PM |
402e4861 EP |
5528 | .suspend = wl1271_op_suspend, |
5529 | .resume = wl1271_op_resume, | |
f634a4e7 | 5530 | #endif |
f5fc0f86 | 5531 | .config = wl1271_op_config, |
c87dec9f | 5532 | .prepare_multicast = wl1271_op_prepare_multicast, |
f5fc0f86 LC |
5533 | .configure_filter = wl1271_op_configure_filter, |
5534 | .tx = wl1271_op_tx, | |
a1c597f2 | 5535 | .set_key = wlcore_op_set_key, |
f5fc0f86 | 5536 | .hw_scan = wl1271_op_hw_scan, |
73ecce31 | 5537 | .cancel_hw_scan = wl1271_op_cancel_hw_scan, |
33c2c06c LC |
5538 | .sched_scan_start = wl1271_op_sched_scan_start, |
5539 | .sched_scan_stop = wl1271_op_sched_scan_stop, | |
f5fc0f86 | 5540 | .bss_info_changed = wl1271_op_bss_info_changed, |
68d069c4 | 5541 | .set_frag_threshold = wl1271_op_set_frag_threshold, |
f5fc0f86 | 5542 | .set_rts_threshold = wl1271_op_set_rts_threshold, |
c6999d83 | 5543 | .conf_tx = wl1271_op_conf_tx, |
bbbb538e | 5544 | .get_tsf = wl1271_op_get_tsf, |
ece550d0 | 5545 | .get_survey = wl1271_op_get_survey, |
2d6cf2b5 | 5546 | .sta_state = wl12xx_op_sta_state, |
bbba3e68 | 5547 | .ampdu_action = wl1271_op_ampdu_action, |
33437893 | 5548 | .tx_frames_pending = wl1271_tx_frames_pending, |
af7fbb28 | 5549 | .set_bitrate_mask = wl12xx_set_bitrate_mask, |
ba1e6eb9 | 5550 | .set_default_unicast_key = wl1271_op_set_default_key_idx, |
6d158ff3 | 5551 | .channel_switch = wl12xx_op_channel_switch, |
d8ae5a25 | 5552 | .flush = wlcore_op_flush, |
dabf37db EP |
5553 | .remain_on_channel = wlcore_op_remain_on_channel, |
5554 | .cancel_remain_on_channel = wlcore_op_cancel_remain_on_channel, | |
b6970ee5 EP |
5555 | .add_chanctx = wlcore_op_add_chanctx, |
5556 | .remove_chanctx = wlcore_op_remove_chanctx, | |
5557 | .change_chanctx = wlcore_op_change_chanctx, | |
5558 | .assign_vif_chanctx = wlcore_op_assign_vif_chanctx, | |
5559 | .unassign_vif_chanctx = wlcore_op_unassign_vif_chanctx, | |
5f9b6777 | 5560 | .sta_rc_update = wlcore_op_sta_rc_update, |
0a9ffac0 | 5561 | .get_rssi = wlcore_op_get_rssi, |
c8c90873 | 5562 | CFG80211_TESTMODE_CMD(wl1271_tm_cmd) |
f5fc0f86 LC |
5563 | }; |
5564 | ||
f876bb9a | 5565 | |
43a8bc5a | 5566 | u8 wlcore_rate_to_idx(struct wl1271 *wl, u8 rate, enum ieee80211_band band) |
f876bb9a JO |
5567 | { |
5568 | u8 idx; | |
5569 | ||
43a8bc5a | 5570 | BUG_ON(band >= 2); |
f876bb9a | 5571 | |
43a8bc5a | 5572 | if (unlikely(rate >= wl->hw_tx_rate_tbl_size)) { |
f876bb9a JO |
5573 | wl1271_error("Illegal RX rate from HW: %d", rate); |
5574 | return 0; | |
5575 | } | |
5576 | ||
43a8bc5a | 5577 | idx = wl->band_rate_to_idx[band][rate]; |
f876bb9a JO |
5578 | if (unlikely(idx == CONF_HW_RXTX_RATE_UNSUPPORTED)) { |
5579 | wl1271_error("Unsupported RX rate from HW: %d", rate); | |
5580 | return 0; | |
5581 | } | |
5582 | ||
5583 | return idx; | |
5584 | } | |
5585 | ||
f4afbed9 | 5586 | static void wl12xx_derive_mac_addresses(struct wl1271 *wl, u32 oui, u32 nic) |
5e037e74 LC |
5587 | { |
5588 | int i; | |
5589 | ||
f4afbed9 AN |
5590 | wl1271_debug(DEBUG_PROBE, "base address: oui %06x nic %06x", |
5591 | oui, nic); | |
5e037e74 | 5592 | |
f4afbed9 | 5593 | if (nic + WLCORE_NUM_MAC_ADDRESSES - wl->num_mac_addr > 0xffffff) |
5e037e74 LC |
5594 | wl1271_warning("NIC part of the MAC address wraps around!"); |
5595 | ||
f4afbed9 | 5596 | for (i = 0; i < wl->num_mac_addr; i++) { |
5e037e74 LC |
5597 | wl->addresses[i].addr[0] = (u8)(oui >> 16); |
5598 | wl->addresses[i].addr[1] = (u8)(oui >> 8); | |
5599 | wl->addresses[i].addr[2] = (u8) oui; | |
5600 | wl->addresses[i].addr[3] = (u8)(nic >> 16); | |
5601 | wl->addresses[i].addr[4] = (u8)(nic >> 8); | |
5602 | wl->addresses[i].addr[5] = (u8) nic; | |
5603 | nic++; | |
5604 | } | |
5605 | ||
f4afbed9 AN |
5606 | /* we may be one address short at the most */ |
5607 | WARN_ON(wl->num_mac_addr + 1 < WLCORE_NUM_MAC_ADDRESSES); | |
5608 | ||
5609 | /* | |
5610 | * turn on the LAA bit in the first address and use it as | |
5611 | * the last address. | |
5612 | */ | |
5613 | if (wl->num_mac_addr < WLCORE_NUM_MAC_ADDRESSES) { | |
5614 | int idx = WLCORE_NUM_MAC_ADDRESSES - 1; | |
5615 | memcpy(&wl->addresses[idx], &wl->addresses[0], | |
5616 | sizeof(wl->addresses[0])); | |
5617 | /* LAA bit */ | |
5618 | wl->addresses[idx].addr[2] |= BIT(1); | |
5619 | } | |
5620 | ||
5621 | wl->hw->wiphy->n_addresses = WLCORE_NUM_MAC_ADDRESSES; | |
5e037e74 LC |
5622 | wl->hw->wiphy->addresses = wl->addresses; |
5623 | } | |
5624 | ||
30c5dbd1 LC |
5625 | static int wl12xx_get_hw_info(struct wl1271 *wl) |
5626 | { | |
5627 | int ret; | |
30c5dbd1 LC |
5628 | |
5629 | ret = wl12xx_set_power_on(wl); | |
5630 | if (ret < 0) | |
4fb4e0be | 5631 | return ret; |
30c5dbd1 | 5632 | |
6134323f IY |
5633 | ret = wlcore_read_reg(wl, REG_CHIP_ID_B, &wl->chip.id); |
5634 | if (ret < 0) | |
5635 | goto out; | |
30c5dbd1 | 5636 | |
00782136 LC |
5637 | wl->fuse_oui_addr = 0; |
5638 | wl->fuse_nic_addr = 0; | |
30c5dbd1 | 5639 | |
6134323f IY |
5640 | ret = wl->ops->get_pg_ver(wl, &wl->hw_pg_ver); |
5641 | if (ret < 0) | |
5642 | goto out; | |
30c5dbd1 | 5643 | |
30d9b4a5 | 5644 | if (wl->ops->get_mac) |
6134323f | 5645 | ret = wl->ops->get_mac(wl); |
5e037e74 | 5646 | |
30c5dbd1 | 5647 | out: |
6134323f | 5648 | wl1271_power_off(wl); |
30c5dbd1 LC |
5649 | return ret; |
5650 | } | |
5651 | ||
4b32a2c9 | 5652 | static int wl1271_register_hw(struct wl1271 *wl) |
f5fc0f86 LC |
5653 | { |
5654 | int ret; | |
5e037e74 | 5655 | u32 oui_addr = 0, nic_addr = 0; |
f5fc0f86 LC |
5656 | |
5657 | if (wl->mac80211_registered) | |
5658 | return 0; | |
5659 | ||
6f8d6b20 | 5660 | if (wl->nvs_len >= 12) { |
bc765bf3 SL |
5661 | /* NOTE: The wl->nvs->nvs element must be first, in |
5662 | * order to simplify the casting, we assume it is at | |
5663 | * the beginning of the wl->nvs structure. | |
5664 | */ | |
5665 | u8 *nvs_ptr = (u8 *)wl->nvs; | |
31d26ec6 | 5666 | |
5e037e74 LC |
5667 | oui_addr = |
5668 | (nvs_ptr[11] << 16) + (nvs_ptr[10] << 8) + nvs_ptr[6]; | |
5669 | nic_addr = | |
5670 | (nvs_ptr[5] << 16) + (nvs_ptr[4] << 8) + nvs_ptr[3]; | |
5671 | } | |
5672 | ||
5673 | /* if the MAC address is zeroed in the NVS derive from fuse */ | |
5674 | if (oui_addr == 0 && nic_addr == 0) { | |
5675 | oui_addr = wl->fuse_oui_addr; | |
5676 | /* fuse has the BD_ADDR, the WLAN addresses are the next two */ | |
5677 | nic_addr = wl->fuse_nic_addr + 1; | |
31d26ec6 AN |
5678 | } |
5679 | ||
f4afbed9 | 5680 | wl12xx_derive_mac_addresses(wl, oui_addr, nic_addr); |
f5fc0f86 LC |
5681 | |
5682 | ret = ieee80211_register_hw(wl->hw); | |
5683 | if (ret < 0) { | |
5684 | wl1271_error("unable to register mac80211 hw: %d", ret); | |
30c5dbd1 | 5685 | goto out; |
f5fc0f86 LC |
5686 | } |
5687 | ||
5688 | wl->mac80211_registered = true; | |
5689 | ||
d60080ae EP |
5690 | wl1271_debugfs_init(wl); |
5691 | ||
f5fc0f86 LC |
5692 | wl1271_notice("loaded"); |
5693 | ||
30c5dbd1 LC |
5694 | out: |
5695 | return ret; | |
f5fc0f86 LC |
5696 | } |
5697 | ||
4b32a2c9 | 5698 | static void wl1271_unregister_hw(struct wl1271 *wl) |
3b56dd6a | 5699 | { |
3fcdab70 | 5700 | if (wl->plt) |
f3df1331 | 5701 | wl1271_plt_stop(wl); |
4ae3fa87 | 5702 | |
3b56dd6a TP |
5703 | ieee80211_unregister_hw(wl->hw); |
5704 | wl->mac80211_registered = false; | |
5705 | ||
5706 | } | |
3b56dd6a | 5707 | |
4b32a2c9 | 5708 | static int wl1271_init_ieee80211(struct wl1271 *wl) |
f5fc0f86 | 5709 | { |
583f8164 | 5710 | int i; |
7a55724e JO |
5711 | static const u32 cipher_suites[] = { |
5712 | WLAN_CIPHER_SUITE_WEP40, | |
5713 | WLAN_CIPHER_SUITE_WEP104, | |
5714 | WLAN_CIPHER_SUITE_TKIP, | |
5715 | WLAN_CIPHER_SUITE_CCMP, | |
5716 | WL1271_CIPHER_SUITE_GEM, | |
5717 | }; | |
5718 | ||
2c0133a4 AN |
5719 | /* The tx descriptor buffer */ |
5720 | wl->hw->extra_tx_headroom = sizeof(struct wl1271_tx_hw_descr); | |
5721 | ||
5722 | if (wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) | |
5723 | wl->hw->extra_tx_headroom += WL1271_EXTRA_SPACE_TKIP; | |
f5fc0f86 LC |
5724 | |
5725 | /* unit us */ | |
5726 | /* FIXME: find a proper value */ | |
50c500ad | 5727 | wl->hw->max_listen_interval = wl->conf.conn.max_listen_interval; |
f5fc0f86 LC |
5728 | |
5729 | wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | | |
0a34332f | 5730 | IEEE80211_HW_SUPPORTS_PS | |
f1d63a59 | 5731 | IEEE80211_HW_SUPPORTS_DYNAMIC_PS | |
4695dc91 | 5732 | IEEE80211_HW_SUPPORTS_UAPSD | |
a9af092b | 5733 | IEEE80211_HW_HAS_RATE_CONTROL | |
00236aed | 5734 | IEEE80211_HW_CONNECTION_MONITOR | |
25eaea30 | 5735 | IEEE80211_HW_REPORTS_TX_ACK_STATUS | |
fcd23b63 | 5736 | IEEE80211_HW_SPECTRUM_MGMT | |
93f8c8e0 AN |
5737 | IEEE80211_HW_AP_LINK_PS | |
5738 | IEEE80211_HW_AMPDU_AGGREGATION | | |
79aba1ba | 5739 | IEEE80211_HW_TX_AMPDU_SETUP_IN_HW | |
1c33db78 | 5740 | IEEE80211_HW_QUEUE_CONTROL; |
f5fc0f86 | 5741 | |
7a55724e JO |
5742 | wl->hw->wiphy->cipher_suites = cipher_suites; |
5743 | wl->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); | |
5744 | ||
e0d8bbf0 | 5745 | wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
045c745f EP |
5746 | BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP) | |
5747 | BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO); | |
f5fc0f86 | 5748 | wl->hw->wiphy->max_scan_ssids = 1; |
221737d2 LC |
5749 | wl->hw->wiphy->max_sched_scan_ssids = 16; |
5750 | wl->hw->wiphy->max_match_sets = 16; | |
ea559b46 GE |
5751 | /* |
5752 | * Maximum length of elements in scanning probe request templates | |
5753 | * should be the maximum length possible for a template, without | |
5754 | * the IEEE80211 header of the template | |
5755 | */ | |
c08e371a | 5756 | wl->hw->wiphy->max_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE - |
ea559b46 | 5757 | sizeof(struct ieee80211_header); |
a8aaaf53 | 5758 | |
c08e371a | 5759 | wl->hw->wiphy->max_sched_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE - |
c9e79a47 LC |
5760 | sizeof(struct ieee80211_header); |
5761 | ||
dabf37db EP |
5762 | wl->hw->wiphy->max_remain_on_channel_duration = 5000; |
5763 | ||
81ddbb5c | 5764 | wl->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD | |
1fb90260 JB |
5765 | WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | |
5766 | WIPHY_FLAG_SUPPORTS_SCHED_SCAN; | |
1ec23f7f | 5767 | |
4a31c11c LC |
5768 | /* make sure all our channels fit in the scanned_ch bitmask */ |
5769 | BUILD_BUG_ON(ARRAY_SIZE(wl1271_channels) + | |
5770 | ARRAY_SIZE(wl1271_channels_5ghz) > | |
5771 | WL1271_MAX_CHANNELS); | |
583f8164 VG |
5772 | /* |
5773 | * clear channel flags from the previous usage | |
5774 | * and restore max_power & max_antenna_gain values. | |
5775 | */ | |
5776 | for (i = 0; i < ARRAY_SIZE(wl1271_channels); i++) { | |
5777 | wl1271_band_2ghz.channels[i].flags = 0; | |
5778 | wl1271_band_2ghz.channels[i].max_power = WLCORE_MAX_TXPWR; | |
5779 | wl1271_band_2ghz.channels[i].max_antenna_gain = 0; | |
5780 | } | |
5781 | ||
5782 | for (i = 0; i < ARRAY_SIZE(wl1271_channels_5ghz); i++) { | |
5783 | wl1271_band_5ghz.channels[i].flags = 0; | |
5784 | wl1271_band_5ghz.channels[i].max_power = WLCORE_MAX_TXPWR; | |
5785 | wl1271_band_5ghz.channels[i].max_antenna_gain = 0; | |
5786 | } | |
5787 | ||
a8aaaf53 LC |
5788 | /* |
5789 | * We keep local copies of the band structs because we need to | |
5790 | * modify them on a per-device basis. | |
5791 | */ | |
5792 | memcpy(&wl->bands[IEEE80211_BAND_2GHZ], &wl1271_band_2ghz, | |
5793 | sizeof(wl1271_band_2ghz)); | |
bfb92ca1 EP |
5794 | memcpy(&wl->bands[IEEE80211_BAND_2GHZ].ht_cap, |
5795 | &wl->ht_cap[IEEE80211_BAND_2GHZ], | |
5796 | sizeof(*wl->ht_cap)); | |
a8aaaf53 LC |
5797 | memcpy(&wl->bands[IEEE80211_BAND_5GHZ], &wl1271_band_5ghz, |
5798 | sizeof(wl1271_band_5ghz)); | |
bfb92ca1 EP |
5799 | memcpy(&wl->bands[IEEE80211_BAND_5GHZ].ht_cap, |
5800 | &wl->ht_cap[IEEE80211_BAND_5GHZ], | |
5801 | sizeof(*wl->ht_cap)); | |
a8aaaf53 LC |
5802 | |
5803 | wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = | |
5804 | &wl->bands[IEEE80211_BAND_2GHZ]; | |
5805 | wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = | |
5806 | &wl->bands[IEEE80211_BAND_5GHZ]; | |
1ebec3d7 | 5807 | |
1c33db78 AN |
5808 | /* |
5809 | * allow 4 queues per mac address we support + | |
5810 | * 1 cab queue per mac + one global offchannel Tx queue | |
5811 | */ | |
5812 | wl->hw->queues = (NUM_TX_QUEUES + 1) * WLCORE_NUM_MAC_ADDRESSES + 1; | |
5813 | ||
5814 | /* the last queue is the offchannel queue */ | |
5815 | wl->hw->offchannel_tx_hw_queue = wl->hw->queues - 1; | |
31627dc5 | 5816 | wl->hw->max_rates = 1; |
12bd8949 | 5817 | |
b7417d93 JO |
5818 | wl->hw->wiphy->reg_notifier = wl1271_reg_notify; |
5819 | ||
9c1b190b AN |
5820 | /* the FW answers probe-requests in AP-mode */ |
5821 | wl->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; | |
5822 | wl->hw->wiphy->probe_resp_offload = | |
5823 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | | |
5824 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | | |
5825 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; | |
5826 | ||
bcab320b | 5827 | /* allowed interface combinations */ |
abf0b249 EP |
5828 | wl->hw->wiphy->iface_combinations = wl->iface_combinations; |
5829 | wl->hw->wiphy->n_iface_combinations = wl->n_iface_combinations; | |
bcab320b | 5830 | |
a390e85c | 5831 | SET_IEEE80211_DEV(wl->hw, wl->dev); |
f5fc0f86 | 5832 | |
f84f7d78 | 5833 | wl->hw->sta_data_size = sizeof(struct wl1271_station); |
87fbcb0f | 5834 | wl->hw->vif_data_size = sizeof(struct wl12xx_vif); |
f84f7d78 | 5835 | |
ba421f8f | 5836 | wl->hw->max_rx_aggregation_subframes = wl->conf.ht.rx_ba_win_size; |
4c9cfa78 | 5837 | |
f5fc0f86 LC |
5838 | return 0; |
5839 | } | |
5840 | ||
c50a2825 EP |
5841 | struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size, u32 aggr_buf_size, |
5842 | u32 mbox_size) | |
f5fc0f86 | 5843 | { |
f5fc0f86 LC |
5844 | struct ieee80211_hw *hw; |
5845 | struct wl1271 *wl; | |
a8c0ddb5 | 5846 | int i, j, ret; |
1f37cbc9 | 5847 | unsigned int order; |
f5fc0f86 LC |
5848 | |
5849 | hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops); | |
5850 | if (!hw) { | |
5851 | wl1271_error("could not alloc ieee80211_hw"); | |
a1dd8187 | 5852 | ret = -ENOMEM; |
3b56dd6a TP |
5853 | goto err_hw_alloc; |
5854 | } | |
5855 | ||
f5fc0f86 LC |
5856 | wl = hw->priv; |
5857 | memset(wl, 0, sizeof(*wl)); | |
5858 | ||
96e0c683 AN |
5859 | wl->priv = kzalloc(priv_size, GFP_KERNEL); |
5860 | if (!wl->priv) { | |
5861 | wl1271_error("could not alloc wl priv"); | |
5862 | ret = -ENOMEM; | |
5863 | goto err_priv_alloc; | |
5864 | } | |
5865 | ||
87627214 | 5866 | INIT_LIST_HEAD(&wl->wlvif_list); |
01c09162 | 5867 | |
f5fc0f86 | 5868 | wl->hw = hw; |
f5fc0f86 | 5869 | |
da08fdfa EP |
5870 | /* |
5871 | * wl->num_links is not configured yet, so just use WLCORE_MAX_LINKS. | |
5872 | * we don't allocate any additional resource here, so that's fine. | |
5873 | */ | |
a8c0ddb5 | 5874 | for (i = 0; i < NUM_TX_QUEUES; i++) |
da08fdfa | 5875 | for (j = 0; j < WLCORE_MAX_LINKS; j++) |
a8c0ddb5 AN |
5876 | skb_queue_head_init(&wl->links[j].tx_queue[i]); |
5877 | ||
a620865e IY |
5878 | skb_queue_head_init(&wl->deferred_rx_queue); |
5879 | skb_queue_head_init(&wl->deferred_tx_queue); | |
5880 | ||
37b70a81 | 5881 | INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work); |
a620865e | 5882 | INIT_WORK(&wl->netstack_work, wl1271_netstack_work); |
117b38d0 JO |
5883 | INIT_WORK(&wl->tx_work, wl1271_tx_work); |
5884 | INIT_WORK(&wl->recovery_work, wl1271_recovery_work); | |
5885 | INIT_DELAYED_WORK(&wl->scan_complete_work, wl1271_scan_complete_work); | |
dabf37db | 5886 | INIT_DELAYED_WORK(&wl->roc_complete_work, wlcore_roc_complete_work); |
55df5afb | 5887 | INIT_DELAYED_WORK(&wl->tx_watchdog_work, wl12xx_tx_watchdog_work); |
77ddaa10 | 5888 | |
92ef8960 EP |
5889 | wl->freezable_wq = create_freezable_workqueue("wl12xx_wq"); |
5890 | if (!wl->freezable_wq) { | |
5891 | ret = -ENOMEM; | |
5892 | goto err_hw; | |
5893 | } | |
5894 | ||
8f6ac537 | 5895 | wl->channel = 0; |
f5fc0f86 | 5896 | wl->rx_counter = 0; |
f5fc0f86 | 5897 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
8a5a37a6 | 5898 | wl->band = IEEE80211_BAND_2GHZ; |
83d08d3f | 5899 | wl->channel_type = NL80211_CHAN_NO_HT; |
830fb67b | 5900 | wl->flags = 0; |
7fc3a864 | 5901 | wl->sg_enabled = true; |
66340e5b | 5902 | wl->sleep_auth = WL1271_PSM_ILLEGAL; |
c108c905 | 5903 | wl->recovery_count = 0; |
d717fd61 | 5904 | wl->hw_pg_ver = -1; |
b622d992 AN |
5905 | wl->ap_ps_map = 0; |
5906 | wl->ap_fw_ps_map = 0; | |
606ea9fa | 5907 | wl->quirks = 0; |
341b7cde | 5908 | wl->platform_quirks = 0; |
f4df1bd5 | 5909 | wl->system_hlid = WL12XX_SYSTEM_HLID; |
da03209e | 5910 | wl->active_sta_count = 0; |
9a100968 | 5911 | wl->active_link_count = 0; |
95dac04f IY |
5912 | wl->fwlog_size = 0; |
5913 | init_waitqueue_head(&wl->fwlog_waitq); | |
f5fc0f86 | 5914 | |
f4df1bd5 EP |
5915 | /* The system link is always allocated */ |
5916 | __set_bit(WL12XX_SYSTEM_HLID, wl->links_map); | |
5917 | ||
25eeb9e3 | 5918 | memset(wl->tx_frames_map, 0, sizeof(wl->tx_frames_map)); |
72b0624f | 5919 | for (i = 0; i < wl->num_tx_desc; i++) |
f5fc0f86 LC |
5920 | wl->tx_frames[i] = NULL; |
5921 | ||
5922 | spin_lock_init(&wl->wl_lock); | |
5923 | ||
4cc53383 | 5924 | wl->state = WLCORE_STATE_OFF; |
3fcdab70 | 5925 | wl->fw_type = WL12XX_FW_TYPE_NONE; |
f5fc0f86 | 5926 | mutex_init(&wl->mutex); |
2c38849f | 5927 | mutex_init(&wl->flush_mutex); |
6f8d6b20 | 5928 | init_completion(&wl->nvs_loading_complete); |
f5fc0f86 | 5929 | |
26a309c7 | 5930 | order = get_order(aggr_buf_size); |
1f37cbc9 IY |
5931 | wl->aggr_buf = (u8 *)__get_free_pages(GFP_KERNEL, order); |
5932 | if (!wl->aggr_buf) { | |
5933 | ret = -ENOMEM; | |
92ef8960 | 5934 | goto err_wq; |
1f37cbc9 | 5935 | } |
26a309c7 | 5936 | wl->aggr_buf_size = aggr_buf_size; |
1f37cbc9 | 5937 | |
990f5de7 IY |
5938 | wl->dummy_packet = wl12xx_alloc_dummy_packet(wl); |
5939 | if (!wl->dummy_packet) { | |
5940 | ret = -ENOMEM; | |
5941 | goto err_aggr; | |
5942 | } | |
5943 | ||
95dac04f IY |
5944 | /* Allocate one page for the FW log */ |
5945 | wl->fwlog = (u8 *)get_zeroed_page(GFP_KERNEL); | |
5946 | if (!wl->fwlog) { | |
5947 | ret = -ENOMEM; | |
5948 | goto err_dummy_packet; | |
5949 | } | |
5950 | ||
c50a2825 EP |
5951 | wl->mbox_size = mbox_size; |
5952 | wl->mbox = kmalloc(wl->mbox_size, GFP_KERNEL | GFP_DMA); | |
690142e9 MG |
5953 | if (!wl->mbox) { |
5954 | ret = -ENOMEM; | |
5955 | goto err_fwlog; | |
5956 | } | |
5957 | ||
2e07d028 IY |
5958 | wl->buffer_32 = kmalloc(sizeof(*wl->buffer_32), GFP_KERNEL); |
5959 | if (!wl->buffer_32) { | |
5960 | ret = -ENOMEM; | |
5961 | goto err_mbox; | |
5962 | } | |
5963 | ||
c332a4b8 | 5964 | return hw; |
a1dd8187 | 5965 | |
2e07d028 IY |
5966 | err_mbox: |
5967 | kfree(wl->mbox); | |
5968 | ||
690142e9 MG |
5969 | err_fwlog: |
5970 | free_page((unsigned long)wl->fwlog); | |
5971 | ||
990f5de7 IY |
5972 | err_dummy_packet: |
5973 | dev_kfree_skb(wl->dummy_packet); | |
5974 | ||
1f37cbc9 IY |
5975 | err_aggr: |
5976 | free_pages((unsigned long)wl->aggr_buf, order); | |
5977 | ||
92ef8960 EP |
5978 | err_wq: |
5979 | destroy_workqueue(wl->freezable_wq); | |
5980 | ||
a1dd8187 | 5981 | err_hw: |
3b56dd6a | 5982 | wl1271_debugfs_exit(wl); |
96e0c683 AN |
5983 | kfree(wl->priv); |
5984 | ||
5985 | err_priv_alloc: | |
3b56dd6a TP |
5986 | ieee80211_free_hw(hw); |
5987 | ||
5988 | err_hw_alloc: | |
a1dd8187 | 5989 | |
a1dd8187 | 5990 | return ERR_PTR(ret); |
c332a4b8 | 5991 | } |
ffeb501c | 5992 | EXPORT_SYMBOL_GPL(wlcore_alloc_hw); |
c332a4b8 | 5993 | |
ffeb501c | 5994 | int wlcore_free_hw(struct wl1271 *wl) |
c332a4b8 | 5995 | { |
95dac04f IY |
5996 | /* Unblock any fwlog readers */ |
5997 | mutex_lock(&wl->mutex); | |
5998 | wl->fwlog_size = -1; | |
5999 | wake_up_interruptible_all(&wl->fwlog_waitq); | |
6000 | mutex_unlock(&wl->mutex); | |
6001 | ||
33cab57a | 6002 | wlcore_sysfs_free(wl); |
6f07b72a | 6003 | |
2e07d028 | 6004 | kfree(wl->buffer_32); |
a8e27820 | 6005 | kfree(wl->mbox); |
95dac04f | 6006 | free_page((unsigned long)wl->fwlog); |
990f5de7 | 6007 | dev_kfree_skb(wl->dummy_packet); |
26a309c7 | 6008 | free_pages((unsigned long)wl->aggr_buf, get_order(wl->aggr_buf_size)); |
c332a4b8 TP |
6009 | |
6010 | wl1271_debugfs_exit(wl); | |
6011 | ||
c332a4b8 TP |
6012 | vfree(wl->fw); |
6013 | wl->fw = NULL; | |
3fcdab70 | 6014 | wl->fw_type = WL12XX_FW_TYPE_NONE; |
c332a4b8 TP |
6015 | kfree(wl->nvs); |
6016 | wl->nvs = NULL; | |
6017 | ||
75fb4df7 EP |
6018 | kfree(wl->raw_fw_status); |
6019 | kfree(wl->fw_status); | |
c332a4b8 | 6020 | kfree(wl->tx_res_if); |
92ef8960 | 6021 | destroy_workqueue(wl->freezable_wq); |
c332a4b8 | 6022 | |
96e0c683 | 6023 | kfree(wl->priv); |
c332a4b8 TP |
6024 | ieee80211_free_hw(wl->hw); |
6025 | ||
6026 | return 0; | |
6027 | } | |
ffeb501c | 6028 | EXPORT_SYMBOL_GPL(wlcore_free_hw); |
50b3eb4b | 6029 | |
964dc9e2 JB |
6030 | #ifdef CONFIG_PM |
6031 | static const struct wiphy_wowlan_support wlcore_wowlan_support = { | |
6032 | .flags = WIPHY_WOWLAN_ANY, | |
6033 | .n_patterns = WL1271_MAX_RX_FILTERS, | |
6034 | .pattern_min_len = 1, | |
6035 | .pattern_max_len = WL1271_RX_FILTER_MAX_PATTERN_SIZE, | |
6036 | }; | |
6037 | #endif | |
6038 | ||
f2cede49 AN |
6039 | static irqreturn_t wlcore_hardirq(int irq, void *cookie) |
6040 | { | |
6041 | return IRQ_WAKE_THREAD; | |
6042 | } | |
6043 | ||
6f8d6b20 | 6044 | static void wlcore_nvs_cb(const struct firmware *fw, void *context) |
ce2a217c | 6045 | { |
6f8d6b20 IY |
6046 | struct wl1271 *wl = context; |
6047 | struct platform_device *pdev = wl->pdev; | |
90650625 | 6048 | struct wlcore_platdev_data *pdev_data = dev_get_platdata(&pdev->dev); |
afb43e6d | 6049 | struct wl12xx_platform_data *pdata = pdev_data->pdata; |
a390e85c | 6050 | unsigned long irqflags; |
ffeb501c | 6051 | int ret; |
f2cede49 | 6052 | irq_handler_t hardirq_fn = NULL; |
a390e85c | 6053 | |
6f8d6b20 IY |
6054 | if (fw) { |
6055 | wl->nvs = kmemdup(fw->data, fw->size, GFP_KERNEL); | |
6056 | if (!wl->nvs) { | |
6057 | wl1271_error("Could not allocate nvs data"); | |
6058 | goto out; | |
6059 | } | |
6060 | wl->nvs_len = fw->size; | |
6061 | } else { | |
6062 | wl1271_debug(DEBUG_BOOT, "Could not get nvs file %s", | |
6063 | WL12XX_NVS_NAME); | |
6064 | wl->nvs = NULL; | |
6065 | wl->nvs_len = 0; | |
a390e85c FB |
6066 | } |
6067 | ||
3992eb2b IY |
6068 | ret = wl->ops->setup(wl); |
6069 | if (ret < 0) | |
6f8d6b20 | 6070 | goto out_free_nvs; |
3992eb2b | 6071 | |
72b0624f AN |
6072 | BUG_ON(wl->num_tx_desc > WLCORE_MAX_TX_DESCRIPTORS); |
6073 | ||
e87288f0 LC |
6074 | /* adjust some runtime configuration parameters */ |
6075 | wlcore_adjust_conf(wl); | |
6076 | ||
a390e85c | 6077 | wl->irq = platform_get_irq(pdev, 0); |
a390e85c | 6078 | wl->platform_quirks = pdata->platform_quirks; |
afb43e6d | 6079 | wl->if_ops = pdev_data->if_ops; |
a390e85c | 6080 | |
f2cede49 | 6081 | if (wl->platform_quirks & WL12XX_PLATFORM_QUIRK_EDGE_IRQ) { |
a390e85c | 6082 | irqflags = IRQF_TRIGGER_RISING; |
f2cede49 AN |
6083 | hardirq_fn = wlcore_hardirq; |
6084 | } else { | |
a390e85c | 6085 | irqflags = IRQF_TRIGGER_HIGH | IRQF_ONESHOT; |
f2cede49 | 6086 | } |
a390e85c | 6087 | |
f2cede49 | 6088 | ret = request_threaded_irq(wl->irq, hardirq_fn, wlcore_irq, |
97236a06 | 6089 | irqflags, pdev->name, wl); |
a390e85c FB |
6090 | if (ret < 0) { |
6091 | wl1271_error("request_irq() failed: %d", ret); | |
6f8d6b20 | 6092 | goto out_free_nvs; |
a390e85c FB |
6093 | } |
6094 | ||
dfb89c56 | 6095 | #ifdef CONFIG_PM |
a390e85c FB |
6096 | ret = enable_irq_wake(wl->irq); |
6097 | if (!ret) { | |
6098 | wl->irq_wake_enabled = true; | |
6099 | device_init_wakeup(wl->dev, 1); | |
964dc9e2 JB |
6100 | if (pdata->pwr_in_suspend) |
6101 | wl->hw->wiphy->wowlan = &wlcore_wowlan_support; | |
a390e85c | 6102 | } |
dfb89c56 | 6103 | #endif |
a390e85c FB |
6104 | disable_irq(wl->irq); |
6105 | ||
4afc37a0 LC |
6106 | ret = wl12xx_get_hw_info(wl); |
6107 | if (ret < 0) { | |
6108 | wl1271_error("couldn't get hw info"); | |
8b425e62 | 6109 | goto out_irq; |
4afc37a0 LC |
6110 | } |
6111 | ||
6112 | ret = wl->ops->identify_chip(wl); | |
6113 | if (ret < 0) | |
8b425e62 | 6114 | goto out_irq; |
4afc37a0 | 6115 | |
a390e85c FB |
6116 | ret = wl1271_init_ieee80211(wl); |
6117 | if (ret) | |
6118 | goto out_irq; | |
6119 | ||
6120 | ret = wl1271_register_hw(wl); | |
6121 | if (ret) | |
6122 | goto out_irq; | |
6123 | ||
33cab57a LC |
6124 | ret = wlcore_sysfs_init(wl); |
6125 | if (ret) | |
8b425e62 | 6126 | goto out_unreg; |
f79f890c | 6127 | |
6f8d6b20 | 6128 | wl->initialized = true; |
ffeb501c | 6129 | goto out; |
a390e85c | 6130 | |
8b425e62 LC |
6131 | out_unreg: |
6132 | wl1271_unregister_hw(wl); | |
6133 | ||
a390e85c FB |
6134 | out_irq: |
6135 | free_irq(wl->irq, wl); | |
6136 | ||
6f8d6b20 IY |
6137 | out_free_nvs: |
6138 | kfree(wl->nvs); | |
6139 | ||
a390e85c | 6140 | out: |
6f8d6b20 IY |
6141 | release_firmware(fw); |
6142 | complete_all(&wl->nvs_loading_complete); | |
6143 | } | |
6144 | ||
b74324d1 | 6145 | int wlcore_probe(struct wl1271 *wl, struct platform_device *pdev) |
6f8d6b20 IY |
6146 | { |
6147 | int ret; | |
6148 | ||
6149 | if (!wl->ops || !wl->ptable) | |
6150 | return -EINVAL; | |
6151 | ||
6152 | wl->dev = &pdev->dev; | |
6153 | wl->pdev = pdev; | |
6154 | platform_set_drvdata(pdev, wl); | |
6155 | ||
6156 | ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG, | |
6157 | WL12XX_NVS_NAME, &pdev->dev, GFP_KERNEL, | |
6158 | wl, wlcore_nvs_cb); | |
6159 | if (ret < 0) { | |
6160 | wl1271_error("request_firmware_nowait failed: %d", ret); | |
6161 | complete_all(&wl->nvs_loading_complete); | |
6162 | } | |
6163 | ||
a390e85c | 6164 | return ret; |
ce2a217c | 6165 | } |
b2ba99ff | 6166 | EXPORT_SYMBOL_GPL(wlcore_probe); |
ce2a217c | 6167 | |
b74324d1 | 6168 | int wlcore_remove(struct platform_device *pdev) |
ce2a217c | 6169 | { |
a390e85c FB |
6170 | struct wl1271 *wl = platform_get_drvdata(pdev); |
6171 | ||
6f8d6b20 IY |
6172 | wait_for_completion(&wl->nvs_loading_complete); |
6173 | if (!wl->initialized) | |
6174 | return 0; | |
6175 | ||
a390e85c FB |
6176 | if (wl->irq_wake_enabled) { |
6177 | device_init_wakeup(wl->dev, 0); | |
6178 | disable_irq_wake(wl->irq); | |
6179 | } | |
6180 | wl1271_unregister_hw(wl); | |
6181 | free_irq(wl->irq, wl); | |
ffeb501c | 6182 | wlcore_free_hw(wl); |
a390e85c | 6183 | |
ce2a217c FB |
6184 | return 0; |
6185 | } | |
b2ba99ff | 6186 | EXPORT_SYMBOL_GPL(wlcore_remove); |
ce2a217c | 6187 | |
491bbd6b | 6188 | u32 wl12xx_debug_level = DEBUG_NONE; |
17c1755c | 6189 | EXPORT_SYMBOL_GPL(wl12xx_debug_level); |
491bbd6b | 6190 | module_param_named(debug_level, wl12xx_debug_level, uint, S_IRUSR | S_IWUSR); |
17c1755c EP |
6191 | MODULE_PARM_DESC(debug_level, "wl12xx debugging level"); |
6192 | ||
95dac04f | 6193 | module_param_named(fwlog, fwlog_param, charp, 0); |
2c882fa4 | 6194 | MODULE_PARM_DESC(fwlog, |
95dac04f IY |
6195 | "FW logger options: continuous, ondemand, dbgpins or disable"); |
6196 | ||
93ac8488 IR |
6197 | module_param(fwlog_mem_blocks, int, S_IRUSR | S_IWUSR); |
6198 | MODULE_PARM_DESC(fwlog_mem_blocks, "fwlog mem_blocks"); | |
6199 | ||
7230341f | 6200 | module_param(bug_on_recovery, int, S_IRUSR | S_IWUSR); |
2a5bff09 EP |
6201 | MODULE_PARM_DESC(bug_on_recovery, "BUG() on fw recovery"); |
6202 | ||
7230341f | 6203 | module_param(no_recovery, int, S_IRUSR | S_IWUSR); |
34785be5 AN |
6204 | MODULE_PARM_DESC(no_recovery, "Prevent HW recovery. FW will remain stuck."); |
6205 | ||
50b3eb4b | 6206 | MODULE_LICENSE("GPL"); |
b1a48cab | 6207 | MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>"); |
50b3eb4b | 6208 | MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); |
0635ad45 | 6209 | MODULE_FIRMWARE(WL12XX_NVS_NAME); |