Commit | Line | Data |
---|---|---|
f5fc0f86 LC |
1 | /* |
2 | * This file is part of wl1271 | |
3 | * | |
2f826f55 | 4 | * Copyright (C) 2009-2010 Nokia Corporation |
f5fc0f86 LC |
5 | * |
6 | * Contact: Luciano Coelho <luciano.coelho@nokia.com> | |
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> | |
25 | #include <linux/platform_device.h> | |
f5fc0f86 LC |
26 | #include <linux/spi/spi.h> |
27 | #include <linux/etherdevice.h> | |
023e0826 | 28 | #include <linux/ieee80211.h> |
5a0e3ad6 | 29 | #include <linux/slab.h> |
f5fc0f86 | 30 | |
c31be25a | 31 | #include "wlcore.h" |
0f4e3122 | 32 | #include "debug.h" |
00d20100 SL |
33 | #include "io.h" |
34 | #include "acx.h" | |
f5fc0f86 | 35 | #include "wl12xx_80211.h" |
00d20100 SL |
36 | #include "cmd.h" |
37 | #include "event.h" | |
98bdaabb | 38 | #include "tx.h" |
60462b48 | 39 | #include "hw_ops.h" |
f5fc0f86 | 40 | |
16092b5c | 41 | #define WL1271_CMD_FAST_POLL_COUNT 50 |
c45ee4ff | 42 | #define WL1271_WAIT_EVENT_FAST_POLL_COUNT 20 |
f5fc0f86 LC |
43 | |
44 | /* | |
45 | * send command to firmware | |
46 | * | |
47 | * @wl: wl struct | |
48 | * @id: command id | |
49 | * @buf: buffer containing the command, must work with dma | |
50 | * @len: length of the buffer | |
ea508435 | 51 | * return the cmd status code on success. |
f5fc0f86 | 52 | */ |
ea508435 EP |
53 | static int __wlcore_cmd_send(struct wl1271 *wl, u16 id, void *buf, |
54 | size_t len, size_t res_len) | |
f5fc0f86 LC |
55 | { |
56 | struct wl1271_cmd_header *cmd; | |
57 | unsigned long timeout; | |
58 | u32 intr; | |
ea508435 | 59 | int ret; |
ad150e96 | 60 | u16 status; |
bc0f03ea | 61 | u16 poll_count = 0; |
f5fc0f86 | 62 | |
4cc53383 IY |
63 | if (WARN_ON(unlikely(wl->state == WLCORE_STATE_RESTARTING))) |
64 | return -EIO; | |
65 | ||
f5fc0f86 | 66 | cmd = buf; |
d0f63b20 | 67 | cmd->id = cpu_to_le16(id); |
f5fc0f86 LC |
68 | cmd->status = 0; |
69 | ||
70 | WARN_ON(len % 4 != 0); | |
24225b37 | 71 | WARN_ON(test_bit(WL1271_FLAG_IN_ELP, &wl->flags)); |
f5fc0f86 | 72 | |
eb96f841 IY |
73 | ret = wlcore_write(wl, wl->cmd_box_addr, buf, len, false); |
74 | if (ret < 0) | |
ea508435 | 75 | return ret; |
f5fc0f86 | 76 | |
f16ff758 LC |
77 | /* |
78 | * TODO: we just need this because one bit is in a different | |
79 | * place. Is there any better way? | |
80 | */ | |
eb96f841 IY |
81 | ret = wl->ops->trigger_cmd(wl, wl->cmd_box_addr, buf, len); |
82 | if (ret < 0) | |
ea508435 | 83 | return ret; |
f5fc0f86 LC |
84 | |
85 | timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT); | |
86 | ||
6134323f IY |
87 | ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &intr); |
88 | if (ret < 0) | |
ea508435 | 89 | return ret; |
6134323f | 90 | |
f5fc0f86 LC |
91 | while (!(intr & WL1271_ACX_INTR_CMD_COMPLETE)) { |
92 | if (time_after(jiffies, timeout)) { | |
93 | wl1271_error("command complete timeout"); | |
ea508435 | 94 | return -ETIMEDOUT; |
f5fc0f86 LC |
95 | } |
96 | ||
bc0f03ea | 97 | poll_count++; |
16092b5c JO |
98 | if (poll_count < WL1271_CMD_FAST_POLL_COUNT) |
99 | udelay(10); | |
100 | else | |
101 | msleep(1); | |
f5fc0f86 | 102 | |
6134323f IY |
103 | ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &intr); |
104 | if (ret < 0) | |
ea508435 | 105 | return ret; |
f5fc0f86 LC |
106 | } |
107 | ||
3b775b4b | 108 | /* read back the status code of the command */ |
fa867e73 JO |
109 | if (res_len == 0) |
110 | res_len = sizeof(struct wl1271_cmd_header); | |
045b9b5f IY |
111 | |
112 | ret = wlcore_read(wl, wl->cmd_box_addr, cmd, res_len, false); | |
113 | if (ret < 0) | |
ea508435 | 114 | return ret; |
3b775b4b | 115 | |
ad150e96 | 116 | status = le16_to_cpu(cmd->status); |
3b775b4b | 117 | |
b0f0ad39 IY |
118 | ret = wlcore_write_reg(wl, REG_INTERRUPT_ACK, |
119 | WL1271_ACX_INTR_CMD_COMPLETE); | |
ea508435 EP |
120 | if (ret < 0) |
121 | return ret; | |
122 | ||
123 | return status; | |
124 | } | |
125 | ||
126 | /* | |
127 | * send command to fw and return cmd status on success | |
128 | * valid_rets contains a bitmap of allowed error codes | |
129 | */ | |
130 | int wlcore_cmd_send_failsafe(struct wl1271 *wl, u16 id, void *buf, size_t len, | |
131 | size_t res_len, unsigned long valid_rets) | |
132 | { | |
133 | int ret = __wlcore_cmd_send(wl, id, buf, len, res_len); | |
134 | ||
b0f0ad39 IY |
135 | if (ret < 0) |
136 | goto fail; | |
137 | ||
ea508435 EP |
138 | /* success is always a valid status */ |
139 | valid_rets |= BIT(CMD_STATUS_SUCCESS); | |
f5fc0f86 | 140 | |
ea508435 EP |
141 | if (ret >= MAX_COMMAND_STATUS || |
142 | !test_bit(ret, &valid_rets)) { | |
143 | wl1271_error("command execute failure %d", ret); | |
144 | ret = -EIO; | |
145 | goto fail; | |
146 | } | |
147 | return ret; | |
f482b762 | 148 | fail: |
baacb9ae | 149 | wl12xx_queue_recovery_work(wl); |
f5fc0f86 LC |
150 | return ret; |
151 | } | |
78e28062 | 152 | EXPORT_SYMBOL_GPL(wl1271_cmd_send); |
f5fc0f86 | 153 | |
ea508435 EP |
154 | /* |
155 | * wrapper for wlcore_cmd_send that accept only CMD_STATUS_SUCCESS | |
156 | * return 0 on success. | |
157 | */ | |
158 | int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len, | |
159 | size_t res_len) | |
160 | { | |
161 | int ret = wlcore_cmd_send_failsafe(wl, id, buf, len, res_len, 0); | |
162 | ||
163 | if (ret < 0) | |
164 | return ret; | |
165 | return 0; | |
166 | } | |
f5fc0f86 | 167 | |
99d84c1d LC |
168 | /* |
169 | * Poll the mailbox event field until any of the bits in the mask is set or a | |
170 | * timeout occurs (WL1271_EVENT_TIMEOUT in msecs) | |
171 | */ | |
c50a2825 EP |
172 | int wlcore_cmd_wait_for_event_or_timeout(struct wl1271 *wl, |
173 | u32 mask, bool *timeout) | |
99d84c1d | 174 | { |
690142e9 MG |
175 | u32 *events_vector; |
176 | u32 event; | |
6c15c1aa | 177 | unsigned long timeout_time; |
c45ee4ff | 178 | u16 poll_count = 0; |
690142e9 MG |
179 | int ret = 0; |
180 | ||
6c15c1aa ES |
181 | *timeout = false; |
182 | ||
0230dfea DC |
183 | events_vector = kmalloc(sizeof(*events_vector), GFP_KERNEL | GFP_DMA); |
184 | if (!events_vector) | |
185 | return -ENOMEM; | |
99d84c1d | 186 | |
6c15c1aa | 187 | timeout_time = jiffies + msecs_to_jiffies(WL1271_EVENT_TIMEOUT); |
99d84c1d LC |
188 | |
189 | do { | |
6c15c1aa | 190 | if (time_after(jiffies, timeout_time)) { |
05285cf9 AN |
191 | wl1271_debug(DEBUG_CMD, "timeout waiting for event %d", |
192 | (int)mask); | |
6c15c1aa | 193 | *timeout = true; |
690142e9 | 194 | goto out; |
52b0e7a6 | 195 | } |
99d84c1d | 196 | |
c45ee4ff YD |
197 | poll_count++; |
198 | if (poll_count < WL1271_WAIT_EVENT_FAST_POLL_COUNT) | |
199 | usleep_range(50, 51); | |
200 | else | |
201 | usleep_range(1000, 5000); | |
99d84c1d LC |
202 | |
203 | /* read from both event fields */ | |
045b9b5f IY |
204 | ret = wlcore_read(wl, wl->mbox_ptr[0], events_vector, |
205 | sizeof(*events_vector), false); | |
206 | if (ret < 0) | |
207 | goto out; | |
208 | ||
690142e9 | 209 | event = *events_vector & mask; |
045b9b5f IY |
210 | |
211 | ret = wlcore_read(wl, wl->mbox_ptr[1], events_vector, | |
212 | sizeof(*events_vector), false); | |
213 | if (ret < 0) | |
214 | goto out; | |
215 | ||
690142e9 | 216 | event |= *events_vector & mask; |
99d84c1d LC |
217 | } while (!event); |
218 | ||
690142e9 MG |
219 | out: |
220 | kfree(events_vector); | |
221 | return ret; | |
99d84c1d | 222 | } |
c50a2825 | 223 | EXPORT_SYMBOL_GPL(wlcore_cmd_wait_for_event_or_timeout); |
05285cf9 | 224 | |
784f694d EP |
225 | int wl12xx_cmd_role_enable(struct wl1271 *wl, u8 *addr, u8 role_type, |
226 | u8 *role_id) | |
f5fc0f86 | 227 | { |
c690ec81 EP |
228 | struct wl12xx_cmd_role_enable *cmd; |
229 | int ret; | |
230 | ||
231 | wl1271_debug(DEBUG_CMD, "cmd role enable"); | |
232 | ||
233 | if (WARN_ON(*role_id != WL12XX_INVALID_ROLE_ID)) | |
234 | return -EBUSY; | |
235 | ||
236 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
237 | if (!cmd) { | |
238 | ret = -ENOMEM; | |
239 | goto out; | |
240 | } | |
241 | ||
242 | /* get role id */ | |
243 | cmd->role_id = find_first_zero_bit(wl->roles_map, WL12XX_MAX_ROLES); | |
244 | if (cmd->role_id >= WL12XX_MAX_ROLES) { | |
245 | ret = -EBUSY; | |
246 | goto out_free; | |
247 | } | |
248 | ||
784f694d | 249 | memcpy(cmd->mac_address, addr, ETH_ALEN); |
c690ec81 EP |
250 | cmd->role_type = role_type; |
251 | ||
252 | ret = wl1271_cmd_send(wl, CMD_ROLE_ENABLE, cmd, sizeof(*cmd), 0); | |
253 | if (ret < 0) { | |
254 | wl1271_error("failed to initiate cmd role enable"); | |
255 | goto out_free; | |
256 | } | |
257 | ||
258 | __set_bit(cmd->role_id, wl->roles_map); | |
259 | *role_id = cmd->role_id; | |
f5fc0f86 | 260 | |
c690ec81 EP |
261 | out_free: |
262 | kfree(cmd); | |
263 | ||
264 | out: | |
265 | return ret; | |
266 | } | |
267 | ||
268 | int wl12xx_cmd_role_disable(struct wl1271 *wl, u8 *role_id) | |
269 | { | |
270 | struct wl12xx_cmd_role_disable *cmd; | |
271 | int ret; | |
272 | ||
273 | wl1271_debug(DEBUG_CMD, "cmd role disable"); | |
274 | ||
275 | if (WARN_ON(*role_id == WL12XX_INVALID_ROLE_ID)) | |
276 | return -ENOENT; | |
277 | ||
278 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
279 | if (!cmd) { | |
f5fc0f86 LC |
280 | ret = -ENOMEM; |
281 | goto out; | |
282 | } | |
c690ec81 EP |
283 | cmd->role_id = *role_id; |
284 | ||
285 | ret = wl1271_cmd_send(wl, CMD_ROLE_DISABLE, cmd, sizeof(*cmd), 0); | |
286 | if (ret < 0) { | |
287 | wl1271_error("failed to initiate cmd role disable"); | |
288 | goto out_free; | |
289 | } | |
f5fc0f86 | 290 | |
c690ec81 EP |
291 | __clear_bit(*role_id, wl->roles_map); |
292 | *role_id = WL12XX_INVALID_ROLE_ID; | |
f5fc0f86 | 293 | |
c690ec81 EP |
294 | out_free: |
295 | kfree(cmd); | |
296 | ||
297 | out: | |
298 | return ret; | |
299 | } | |
300 | ||
978cd3a0 EP |
301 | static int wlcore_get_new_session_id(struct wl1271 *wl, u8 hlid) |
302 | { | |
303 | if (wl->session_ids[hlid] >= SESSION_COUNTER_MAX) | |
304 | wl->session_ids[hlid] = 0; | |
305 | ||
306 | wl->session_ids[hlid]++; | |
307 | ||
308 | return wl->session_ids[hlid]; | |
309 | } | |
310 | ||
c7ffb902 | 311 | int wl12xx_allocate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid) |
c690ec81 | 312 | { |
0b0e32b7 | 313 | unsigned long flags; |
c690ec81 EP |
314 | u8 link = find_first_zero_bit(wl->links_map, WL12XX_MAX_LINKS); |
315 | if (link >= WL12XX_MAX_LINKS) | |
316 | return -EBUSY; | |
317 | ||
978cd3a0 EP |
318 | wl->session_ids[link] = wlcore_get_new_session_id(wl, link); |
319 | ||
0b0e32b7 AN |
320 | /* these bits are used by op_tx */ |
321 | spin_lock_irqsave(&wl->wl_lock, flags); | |
c690ec81 | 322 | __set_bit(link, wl->links_map); |
c7ffb902 | 323 | __set_bit(link, wlvif->links_map); |
0b0e32b7 | 324 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
b50a62bb AN |
325 | |
326 | /* take the last "freed packets" value from the current FW status */ | |
327 | wl->links[link].prev_freed_pkts = | |
328 | wl->fw_status_2->counters.tx_lnk_free_pkts[link]; | |
1e0708a9 | 329 | wl->links[link].wlvif = wlvif; |
93d5d100 AN |
330 | |
331 | /* | |
332 | * Take saved value for total freed packets from wlvif, in case this is | |
333 | * recovery/resume | |
334 | */ | |
335 | if (wlvif->bss_type != BSS_TYPE_AP_BSS) | |
336 | wl->links[link].total_freed_pkts = wlvif->total_freed_pkts; | |
337 | ||
c690ec81 | 338 | *hlid = link; |
9a100968 AN |
339 | |
340 | wl->active_link_count++; | |
c690ec81 EP |
341 | return 0; |
342 | } | |
343 | ||
c7ffb902 | 344 | void wl12xx_free_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid) |
c690ec81 | 345 | { |
0b0e32b7 AN |
346 | unsigned long flags; |
347 | ||
c690ec81 EP |
348 | if (*hlid == WL12XX_INVALID_LINK_ID) |
349 | return; | |
350 | ||
0b0e32b7 AN |
351 | /* these bits are used by op_tx */ |
352 | spin_lock_irqsave(&wl->wl_lock, flags); | |
c690ec81 | 353 | __clear_bit(*hlid, wl->links_map); |
c7ffb902 | 354 | __clear_bit(*hlid, wlvif->links_map); |
0b0e32b7 | 355 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
6246ca00 | 356 | |
6c4c4534 AN |
357 | wl->links[*hlid].allocated_pkts = 0; |
358 | wl->links[*hlid].prev_freed_pkts = 0; | |
359 | wl->links[*hlid].ba_bitmap = 0; | |
360 | memset(wl->links[*hlid].addr, 0, ETH_ALEN); | |
361 | ||
6246ca00 AN |
362 | /* |
363 | * At this point op_tx() will not add more packets to the queues. We | |
364 | * can purge them. | |
365 | */ | |
366 | wl1271_tx_reset_link_queues(wl, *hlid); | |
1e0708a9 | 367 | wl->links[*hlid].wlvif = NULL; |
6246ca00 | 368 | |
0e752df6 AN |
369 | if (wlvif->bss_type == BSS_TYPE_STA_BSS || |
370 | (wlvif->bss_type == BSS_TYPE_AP_BSS && | |
371 | *hlid == wlvif->ap.bcast_hlid)) { | |
93d5d100 AN |
372 | /* |
373 | * save the total freed packets in the wlvif, in case this is | |
374 | * recovery or suspend | |
375 | */ | |
376 | wlvif->total_freed_pkts = wl->links[*hlid].total_freed_pkts; | |
377 | ||
378 | /* | |
379 | * increment the initial seq number on recovery to account for | |
380 | * transmitted packets that we haven't yet got in the FW status | |
381 | */ | |
382 | if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) | |
383 | wlvif->total_freed_pkts += | |
384 | WL1271_TX_SQN_POST_RECOVERY_PADDING; | |
385 | } | |
386 | ||
387 | wl->links[*hlid].total_freed_pkts = 0; | |
388 | ||
c690ec81 | 389 | *hlid = WL12XX_INVALID_LINK_ID; |
9a100968 AN |
390 | wl->active_link_count--; |
391 | WARN_ON_ONCE(wl->active_link_count < 0); | |
712e9bf7 AN |
392 | } |
393 | ||
a6298dbe AN |
394 | static u8 wlcore_get_native_channel_type(u8 nl_channel_type) |
395 | { | |
396 | switch (nl_channel_type) { | |
397 | case NL80211_CHAN_NO_HT: | |
398 | return WLCORE_CHAN_NO_HT; | |
399 | case NL80211_CHAN_HT20: | |
400 | return WLCORE_CHAN_HT20; | |
401 | case NL80211_CHAN_HT40MINUS: | |
402 | return WLCORE_CHAN_HT40MINUS; | |
403 | case NL80211_CHAN_HT40PLUS: | |
404 | return WLCORE_CHAN_HT40PLUS; | |
405 | default: | |
406 | WARN_ON(1); | |
407 | return WLCORE_CHAN_NO_HT; | |
408 | } | |
409 | } | |
410 | ||
679a6734 | 411 | static int wl12xx_cmd_role_start_dev(struct wl1271 *wl, |
dabf37db EP |
412 | struct wl12xx_vif *wlvif, |
413 | enum ieee80211_band band, | |
414 | int channel) | |
04e8079c EP |
415 | { |
416 | struct wl12xx_cmd_role_start *cmd; | |
417 | int ret; | |
418 | ||
419 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
420 | if (!cmd) { | |
421 | ret = -ENOMEM; | |
422 | goto out; | |
423 | } | |
424 | ||
7edebf56 | 425 | wl1271_debug(DEBUG_CMD, "cmd role start dev %d", wlvif->dev_role_id); |
04e8079c | 426 | |
7edebf56 | 427 | cmd->role_id = wlvif->dev_role_id; |
dabf37db | 428 | if (band == IEEE80211_BAND_5GHZ) |
00782136 | 429 | cmd->band = WLCORE_BAND_5GHZ; |
dabf37db | 430 | cmd->channel = channel; |
04e8079c | 431 | |
afaf8bdb | 432 | if (wlvif->dev_hlid == WL12XX_INVALID_LINK_ID) { |
c7ffb902 | 433 | ret = wl12xx_allocate_link(wl, wlvif, &wlvif->dev_hlid); |
04e8079c EP |
434 | if (ret) |
435 | goto out_free; | |
436 | } | |
afaf8bdb | 437 | cmd->device.hlid = wlvif->dev_hlid; |
978cd3a0 | 438 | cmd->device.session = wl->session_ids[wlvif->dev_hlid]; |
04e8079c EP |
439 | |
440 | wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d", | |
441 | cmd->role_id, cmd->device.hlid, cmd->device.session); | |
442 | ||
443 | ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); | |
444 | if (ret < 0) { | |
445 | wl1271_error("failed to initiate cmd role enable"); | |
446 | goto err_hlid; | |
447 | } | |
448 | ||
449 | goto out_free; | |
450 | ||
451 | err_hlid: | |
452 | /* clear links on error */ | |
c7ffb902 | 453 | wl12xx_free_link(wl, wlvif, &wlvif->dev_hlid); |
04e8079c EP |
454 | |
455 | out_free: | |
456 | kfree(cmd); | |
457 | ||
458 | out: | |
459 | return ret; | |
460 | } | |
461 | ||
679a6734 EP |
462 | static int wl12xx_cmd_role_stop_dev(struct wl1271 *wl, |
463 | struct wl12xx_vif *wlvif) | |
04e8079c EP |
464 | { |
465 | struct wl12xx_cmd_role_stop *cmd; | |
466 | int ret; | |
467 | ||
afaf8bdb | 468 | if (WARN_ON(wlvif->dev_hlid == WL12XX_INVALID_LINK_ID)) |
04e8079c EP |
469 | return -EINVAL; |
470 | ||
471 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
472 | if (!cmd) { | |
473 | ret = -ENOMEM; | |
474 | goto out; | |
475 | } | |
476 | ||
477 | wl1271_debug(DEBUG_CMD, "cmd role stop dev"); | |
478 | ||
7edebf56 | 479 | cmd->role_id = wlvif->dev_role_id; |
04e8079c EP |
480 | cmd->disc_type = DISCONNECT_IMMEDIATE; |
481 | cmd->reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED); | |
482 | ||
483 | ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); | |
484 | if (ret < 0) { | |
485 | wl1271_error("failed to initiate cmd role stop"); | |
486 | goto out_free; | |
487 | } | |
488 | ||
c7ffb902 | 489 | wl12xx_free_link(wl, wlvif, &wlvif->dev_hlid); |
04e8079c EP |
490 | |
491 | out_free: | |
492 | kfree(cmd); | |
493 | ||
494 | out: | |
495 | return ret; | |
496 | } | |
497 | ||
87fbcb0f | 498 | int wl12xx_cmd_role_start_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
c690ec81 | 499 | { |
cdf09495 | 500 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
c690ec81 | 501 | struct wl12xx_cmd_role_start *cmd; |
42ec1f82 | 502 | u32 supported_rates; |
c690ec81 | 503 | int ret; |
f5fc0f86 | 504 | |
c690ec81 EP |
505 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
506 | if (!cmd) { | |
507 | ret = -ENOMEM; | |
508 | goto out; | |
509 | } | |
f5fc0f86 | 510 | |
0603d891 | 511 | wl1271_debug(DEBUG_CMD, "cmd role start sta %d", wlvif->role_id); |
c690ec81 | 512 | |
0603d891 | 513 | cmd->role_id = wlvif->role_id; |
1b92f15e | 514 | if (wlvif->band == IEEE80211_BAND_5GHZ) |
00782136 | 515 | cmd->band = WLCORE_BAND_5GHZ; |
61f845f4 | 516 | cmd->channel = wlvif->channel; |
87fbcb0f | 517 | cmd->sta.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); |
6a899796 | 518 | cmd->sta.beacon_interval = cpu_to_le16(wlvif->beacon_int); |
c690ec81 | 519 | cmd->sta.ssid_type = WL12XX_SSID_TYPE_ANY; |
1fe9f161 EP |
520 | cmd->sta.ssid_len = wlvif->ssid_len; |
521 | memcpy(cmd->sta.ssid, wlvif->ssid, wlvif->ssid_len); | |
cdf09495 | 522 | memcpy(cmd->sta.bssid, vif->bss_conf.bssid, ETH_ALEN); |
42ec1f82 EP |
523 | |
524 | supported_rates = CONF_TX_ENABLED_RATES | CONF_TX_MCS_RATES | | |
525 | wlcore_hw_sta_get_ap_rate_mask(wl, wlvif); | |
526 | if (wlvif->p2p) | |
527 | supported_rates &= ~CONF_TX_CCK_RATES; | |
528 | ||
529 | cmd->sta.local_rates = cpu_to_le32(supported_rates); | |
530 | ||
a6298dbe | 531 | cmd->channel_type = wlcore_get_native_channel_type(wlvif->channel_type); |
c690ec81 | 532 | |
154da67c | 533 | if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) { |
c7ffb902 | 534 | ret = wl12xx_allocate_link(wl, wlvif, &wlvif->sta.hlid); |
c690ec81 EP |
535 | if (ret) |
536 | goto out_free; | |
537 | } | |
154da67c | 538 | cmd->sta.hlid = wlvif->sta.hlid; |
978cd3a0 | 539 | cmd->sta.session = wl->session_ids[wlvif->sta.hlid]; |
dc62a3db | 540 | /* |
9c3a8d99 LC |
541 | * We don't have the correct remote rates in this stage. The |
542 | * rates will be reconfigured later, after association, if the | |
543 | * firmware supports ACX_PEER_CAP. Otherwise, there's nothing | |
544 | * we can do, so use all supported_rates here. | |
dc62a3db | 545 | */ |
9c3a8d99 | 546 | cmd->sta.remote_rates = cpu_to_le32(supported_rates); |
c690ec81 EP |
547 | |
548 | wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d " | |
549 | "basic_rate_set: 0x%x, remote_rates: 0x%x", | |
0603d891 | 550 | wlvif->role_id, cmd->sta.hlid, cmd->sta.session, |
30d0c8fd | 551 | wlvif->basic_rate_set, wlvif->rate_set); |
c690ec81 EP |
552 | |
553 | ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); | |
554 | if (ret < 0) { | |
555 | wl1271_error("failed to initiate cmd role start sta"); | |
556 | goto err_hlid; | |
557 | } | |
558 | ||
5f9b6777 | 559 | wlvif->sta.role_chan_type = wlvif->channel_type; |
c690ec81 EP |
560 | goto out_free; |
561 | ||
562 | err_hlid: | |
563 | /* clear links on error. */ | |
c7ffb902 | 564 | wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); |
c690ec81 EP |
565 | |
566 | out_free: | |
567 | kfree(cmd); | |
568 | ||
569 | out: | |
570 | return ret; | |
571 | } | |
f5fc0f86 | 572 | |
31cd3aed | 573 | /* use this function to stop ibss as well */ |
0603d891 | 574 | int wl12xx_cmd_role_stop_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
c690ec81 EP |
575 | { |
576 | struct wl12xx_cmd_role_stop *cmd; | |
577 | int ret; | |
578 | ||
154da67c | 579 | if (WARN_ON(wlvif->sta.hlid == WL12XX_INVALID_LINK_ID)) |
c690ec81 EP |
580 | return -EINVAL; |
581 | ||
582 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
583 | if (!cmd) { | |
584 | ret = -ENOMEM; | |
585 | goto out; | |
586 | } | |
a4102645 | 587 | |
0603d891 | 588 | wl1271_debug(DEBUG_CMD, "cmd role stop sta %d", wlvif->role_id); |
f5fc0f86 | 589 | |
0603d891 | 590 | cmd->role_id = wlvif->role_id; |
c690ec81 EP |
591 | cmd->disc_type = DISCONNECT_IMMEDIATE; |
592 | cmd->reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED); | |
f5fc0f86 | 593 | |
c690ec81 EP |
594 | ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); |
595 | if (ret < 0) { | |
596 | wl1271_error("failed to initiate cmd role stop sta"); | |
597 | goto out_free; | |
598 | } | |
72c2d9e5 | 599 | |
c7ffb902 | 600 | wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); |
c690ec81 EP |
601 | |
602 | out_free: | |
603 | kfree(cmd); | |
604 | ||
605 | out: | |
606 | return ret; | |
607 | } | |
608 | ||
87fbcb0f | 609 | int wl12xx_cmd_role_start_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
c690ec81 EP |
610 | { |
611 | struct wl12xx_cmd_role_start *cmd; | |
6e8cd331 EP |
612 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
613 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
60462b48 | 614 | u32 supported_rates; |
c690ec81 EP |
615 | int ret; |
616 | ||
0603d891 | 617 | wl1271_debug(DEBUG_CMD, "cmd role start ap %d", wlvif->role_id); |
c690ec81 | 618 | |
68eaaf6e | 619 | /* trying to use hidden SSID with an old hostapd version */ |
1fe9f161 | 620 | if (wlvif->ssid_len == 0 && !bss_conf->hidden_ssid) { |
68eaaf6e | 621 | wl1271_error("got a null SSID from beacon/bss"); |
c690ec81 EP |
622 | ret = -EINVAL; |
623 | goto out; | |
624 | } | |
625 | ||
626 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
627 | if (!cmd) { | |
628 | ret = -ENOMEM; | |
629 | goto out; | |
630 | } | |
631 | ||
c7ffb902 | 632 | ret = wl12xx_allocate_link(wl, wlvif, &wlvif->ap.global_hlid); |
e51ae9be AN |
633 | if (ret < 0) |
634 | goto out_free; | |
635 | ||
c7ffb902 | 636 | ret = wl12xx_allocate_link(wl, wlvif, &wlvif->ap.bcast_hlid); |
e51ae9be AN |
637 | if (ret < 0) |
638 | goto out_free_global; | |
639 | ||
0e752df6 AN |
640 | /* use the previous security seq, if this is a recovery/resume */ |
641 | wl->links[wlvif->ap.bcast_hlid].total_freed_pkts = | |
642 | wlvif->total_freed_pkts; | |
643 | ||
0603d891 | 644 | cmd->role_id = wlvif->role_id; |
c690ec81 EP |
645 | cmd->ap.aging_period = cpu_to_le16(wl->conf.tx.ap_aging_period); |
646 | cmd->ap.bss_index = WL1271_AP_BSS_INDEX; | |
a8ab39a4 EP |
647 | cmd->ap.global_hlid = wlvif->ap.global_hlid; |
648 | cmd->ap.broadcast_hlid = wlvif->ap.bcast_hlid; | |
978cd3a0 EP |
649 | cmd->ap.global_session_id = wl->session_ids[wlvif->ap.global_hlid]; |
650 | cmd->ap.bcast_session_id = wl->session_ids[wlvif->ap.bcast_hlid]; | |
87fbcb0f | 651 | cmd->ap.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); |
6a899796 | 652 | cmd->ap.beacon_interval = cpu_to_le16(wlvif->beacon_int); |
c690ec81 EP |
653 | cmd->ap.dtim_interval = bss_conf->dtim_period; |
654 | cmd->ap.beacon_expiry = WL1271_AP_DEF_BEACON_EXP; | |
8332f0f6 EP |
655 | /* FIXME: Change when adding DFS */ |
656 | cmd->ap.reset_tsf = 1; /* By default reset AP TSF */ | |
d50529c0 | 657 | cmd->ap.wmm = wlvif->wmm_enabled; |
61f845f4 | 658 | cmd->channel = wlvif->channel; |
a6298dbe | 659 | cmd->channel_type = wlcore_get_native_channel_type(wlvif->channel_type); |
68eaaf6e AN |
660 | |
661 | if (!bss_conf->hidden_ssid) { | |
662 | /* take the SSID from the beacon for backward compatibility */ | |
663 | cmd->ap.ssid_type = WL12XX_SSID_TYPE_PUBLIC; | |
1fe9f161 EP |
664 | cmd->ap.ssid_len = wlvif->ssid_len; |
665 | memcpy(cmd->ap.ssid, wlvif->ssid, wlvif->ssid_len); | |
68eaaf6e AN |
666 | } else { |
667 | cmd->ap.ssid_type = WL12XX_SSID_TYPE_HIDDEN; | |
668 | cmd->ap.ssid_len = bss_conf->ssid_len; | |
669 | memcpy(cmd->ap.ssid, bss_conf->ssid, bss_conf->ssid_len); | |
670 | } | |
671 | ||
42ec1f82 | 672 | supported_rates = CONF_TX_ENABLED_RATES | CONF_TX_MCS_RATES | |
60462b48 | 673 | wlcore_hw_ap_get_mimo_wide_rate_mask(wl, wlvif); |
873d2a40 EP |
674 | if (wlvif->p2p) |
675 | supported_rates &= ~CONF_TX_CCK_RATES; | |
60462b48 LC |
676 | |
677 | wl1271_debug(DEBUG_CMD, "cmd role start ap with supported_rates 0x%08x", | |
678 | supported_rates); | |
679 | ||
680 | cmd->ap.local_rates = cpu_to_le32(supported_rates); | |
c690ec81 | 681 | |
1b92f15e | 682 | switch (wlvif->band) { |
c690ec81 | 683 | case IEEE80211_BAND_2GHZ: |
00782136 | 684 | cmd->band = WLCORE_BAND_2_4GHZ; |
c690ec81 EP |
685 | break; |
686 | case IEEE80211_BAND_5GHZ: | |
00782136 | 687 | cmd->band = WLCORE_BAND_5GHZ; |
c690ec81 EP |
688 | break; |
689 | default: | |
1b92f15e | 690 | wl1271_warning("ap start - unknown band: %d", (int)wlvif->band); |
00782136 | 691 | cmd->band = WLCORE_BAND_2_4GHZ; |
c690ec81 EP |
692 | break; |
693 | } | |
694 | ||
695 | ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); | |
696 | if (ret < 0) { | |
697 | wl1271_error("failed to initiate cmd role start ap"); | |
e51ae9be | 698 | goto out_free_bcast; |
c690ec81 | 699 | } |
f5fc0f86 | 700 | |
e51ae9be AN |
701 | goto out_free; |
702 | ||
703 | out_free_bcast: | |
c7ffb902 | 704 | wl12xx_free_link(wl, wlvif, &wlvif->ap.bcast_hlid); |
e51ae9be AN |
705 | |
706 | out_free_global: | |
c7ffb902 | 707 | wl12xx_free_link(wl, wlvif, &wlvif->ap.global_hlid); |
e51ae9be | 708 | |
f5fc0f86 | 709 | out_free: |
c690ec81 | 710 | kfree(cmd); |
f5fc0f86 LC |
711 | |
712 | out: | |
713 | return ret; | |
714 | } | |
715 | ||
0603d891 | 716 | int wl12xx_cmd_role_stop_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
c690ec81 EP |
717 | { |
718 | struct wl12xx_cmd_role_stop *cmd; | |
719 | int ret; | |
720 | ||
721 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
722 | if (!cmd) { | |
723 | ret = -ENOMEM; | |
724 | goto out; | |
725 | } | |
726 | ||
0603d891 | 727 | wl1271_debug(DEBUG_CMD, "cmd role stop ap %d", wlvif->role_id); |
c690ec81 | 728 | |
0603d891 | 729 | cmd->role_id = wlvif->role_id; |
c690ec81 EP |
730 | |
731 | ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); | |
732 | if (ret < 0) { | |
733 | wl1271_error("failed to initiate cmd role stop ap"); | |
734 | goto out_free; | |
735 | } | |
736 | ||
c7ffb902 EP |
737 | wl12xx_free_link(wl, wlvif, &wlvif->ap.bcast_hlid); |
738 | wl12xx_free_link(wl, wlvif, &wlvif->ap.global_hlid); | |
e51ae9be | 739 | |
c690ec81 EP |
740 | out_free: |
741 | kfree(cmd); | |
742 | ||
743 | out: | |
744 | return ret; | |
745 | } | |
746 | ||
87fbcb0f | 747 | int wl12xx_cmd_role_start_ibss(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
31cd3aed | 748 | { |
cdf09495 | 749 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
31cd3aed | 750 | struct wl12xx_cmd_role_start *cmd; |
6e8cd331 | 751 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; |
31cd3aed EP |
752 | int ret; |
753 | ||
754 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
755 | if (!cmd) { | |
756 | ret = -ENOMEM; | |
757 | goto out; | |
758 | } | |
759 | ||
0603d891 | 760 | wl1271_debug(DEBUG_CMD, "cmd role start ibss %d", wlvif->role_id); |
31cd3aed | 761 | |
0603d891 | 762 | cmd->role_id = wlvif->role_id; |
1b92f15e | 763 | if (wlvif->band == IEEE80211_BAND_5GHZ) |
00782136 | 764 | cmd->band = WLCORE_BAND_5GHZ; |
61f845f4 | 765 | cmd->channel = wlvif->channel; |
87fbcb0f | 766 | cmd->ibss.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); |
6a899796 | 767 | cmd->ibss.beacon_interval = cpu_to_le16(wlvif->beacon_int); |
31cd3aed EP |
768 | cmd->ibss.dtim_interval = bss_conf->dtim_period; |
769 | cmd->ibss.ssid_type = WL12XX_SSID_TYPE_ANY; | |
1fe9f161 EP |
770 | cmd->ibss.ssid_len = wlvif->ssid_len; |
771 | memcpy(cmd->ibss.ssid, wlvif->ssid, wlvif->ssid_len); | |
cdf09495 | 772 | memcpy(cmd->ibss.bssid, vif->bss_conf.bssid, ETH_ALEN); |
30d0c8fd | 773 | cmd->sta.local_rates = cpu_to_le32(wlvif->rate_set); |
31cd3aed | 774 | |
154da67c | 775 | if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) { |
c7ffb902 | 776 | ret = wl12xx_allocate_link(wl, wlvif, &wlvif->sta.hlid); |
31cd3aed EP |
777 | if (ret) |
778 | goto out_free; | |
779 | } | |
154da67c | 780 | cmd->ibss.hlid = wlvif->sta.hlid; |
30d0c8fd | 781 | cmd->ibss.remote_rates = cpu_to_le32(wlvif->rate_set); |
31cd3aed EP |
782 | |
783 | wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d " | |
784 | "basic_rate_set: 0x%x, remote_rates: 0x%x", | |
0603d891 | 785 | wlvif->role_id, cmd->sta.hlid, cmd->sta.session, |
30d0c8fd | 786 | wlvif->basic_rate_set, wlvif->rate_set); |
31cd3aed | 787 | |
cdf09495 EP |
788 | wl1271_debug(DEBUG_CMD, "vif->bss_conf.bssid = %pM", |
789 | vif->bss_conf.bssid); | |
31cd3aed EP |
790 | |
791 | ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); | |
792 | if (ret < 0) { | |
793 | wl1271_error("failed to initiate cmd role enable"); | |
794 | goto err_hlid; | |
795 | } | |
796 | ||
797 | goto out_free; | |
798 | ||
799 | err_hlid: | |
800 | /* clear links on error. */ | |
c7ffb902 | 801 | wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); |
31cd3aed EP |
802 | |
803 | out_free: | |
804 | kfree(cmd); | |
805 | ||
806 | out: | |
807 | return ret; | |
808 | } | |
809 | ||
c690ec81 | 810 | |
f5fc0f86 LC |
811 | /** |
812 | * send test command to firmware | |
813 | * | |
814 | * @wl: wl struct | |
815 | * @buf: buffer containing the command, with all headers, must work with dma | |
816 | * @len: length of the buffer | |
817 | * @answer: is answer needed | |
818 | */ | |
819 | int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer) | |
820 | { | |
821 | int ret; | |
fa867e73 | 822 | size_t res_len = 0; |
f5fc0f86 LC |
823 | |
824 | wl1271_debug(DEBUG_CMD, "cmd test"); | |
825 | ||
fa867e73 JO |
826 | if (answer) |
827 | res_len = buf_len; | |
828 | ||
829 | ret = wl1271_cmd_send(wl, CMD_TEST, buf, buf_len, res_len); | |
f5fc0f86 LC |
830 | |
831 | if (ret < 0) { | |
832 | wl1271_warning("TEST command failed"); | |
833 | return ret; | |
834 | } | |
835 | ||
fa867e73 | 836 | return ret; |
f5fc0f86 | 837 | } |
9d68d1ee | 838 | EXPORT_SYMBOL_GPL(wl1271_cmd_test); |
f5fc0f86 LC |
839 | |
840 | /** | |
841 | * read acx from firmware | |
842 | * | |
843 | * @wl: wl struct | |
844 | * @id: acx id | |
845 | * @buf: buffer for the response, including all headers, must work with dma | |
25985edc | 846 | * @len: length of buf |
f5fc0f86 LC |
847 | */ |
848 | int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len) | |
849 | { | |
850 | struct acx_header *acx = buf; | |
851 | int ret; | |
852 | ||
853 | wl1271_debug(DEBUG_CMD, "cmd interrogate"); | |
854 | ||
d0f63b20 | 855 | acx->id = cpu_to_le16(id); |
f5fc0f86 LC |
856 | |
857 | /* payload length, does not include any headers */ | |
d0f63b20 | 858 | acx->len = cpu_to_le16(len - sizeof(*acx)); |
f5fc0f86 | 859 | |
fa867e73 JO |
860 | ret = wl1271_cmd_send(wl, CMD_INTERROGATE, acx, sizeof(*acx), len); |
861 | if (ret < 0) | |
f5fc0f86 | 862 | wl1271_error("INTERROGATE command failed"); |
f5fc0f86 | 863 | |
f5fc0f86 LC |
864 | return ret; |
865 | } | |
866 | ||
867 | /** | |
868 | * write acx value to firmware | |
869 | * | |
870 | * @wl: wl struct | |
871 | * @id: acx id | |
872 | * @buf: buffer containing acx, including all headers, must work with dma | |
873 | * @len: length of buf | |
ea508435 EP |
874 | * @valid_rets: bitmap of valid cmd status codes (i.e. return values). |
875 | * return the cmd status on success. | |
f5fc0f86 | 876 | */ |
ea508435 EP |
877 | int wlcore_cmd_configure_failsafe(struct wl1271 *wl, u16 id, void *buf, |
878 | size_t len, unsigned long valid_rets) | |
f5fc0f86 LC |
879 | { |
880 | struct acx_header *acx = buf; | |
881 | int ret; | |
882 | ||
c91d0600 | 883 | wl1271_debug(DEBUG_CMD, "cmd configure (%d)", id); |
f5fc0f86 | 884 | |
d0f63b20 | 885 | acx->id = cpu_to_le16(id); |
f5fc0f86 LC |
886 | |
887 | /* payload length, does not include any headers */ | |
d0f63b20 | 888 | acx->len = cpu_to_le16(len - sizeof(*acx)); |
f5fc0f86 | 889 | |
ea508435 EP |
890 | ret = wlcore_cmd_send_failsafe(wl, CMD_CONFIGURE, acx, len, 0, |
891 | valid_rets); | |
f5fc0f86 LC |
892 | if (ret < 0) { |
893 | wl1271_warning("CONFIGURE command NOK"); | |
894 | return ret; | |
895 | } | |
896 | ||
ea508435 EP |
897 | return ret; |
898 | } | |
899 | ||
900 | /* | |
901 | * wrapper for wlcore_cmd_configure that accepts only success status. | |
902 | * return 0 on success | |
903 | */ | |
904 | int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len) | |
905 | { | |
906 | int ret = wlcore_cmd_configure_failsafe(wl, id, buf, len, 0); | |
907 | ||
908 | if (ret < 0) | |
909 | return ret; | |
f5fc0f86 LC |
910 | return 0; |
911 | } | |
9d68d1ee | 912 | EXPORT_SYMBOL_GPL(wl1271_cmd_configure); |
f5fc0f86 | 913 | |
94210897 | 914 | int wl1271_cmd_data_path(struct wl1271 *wl, bool enable) |
f5fc0f86 LC |
915 | { |
916 | struct cmd_enabledisable_path *cmd; | |
917 | int ret; | |
918 | u16 cmd_rx, cmd_tx; | |
919 | ||
920 | wl1271_debug(DEBUG_CMD, "cmd data path"); | |
921 | ||
922 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
923 | if (!cmd) { | |
924 | ret = -ENOMEM; | |
925 | goto out; | |
926 | } | |
927 | ||
94210897 LC |
928 | /* the channel here is only used for calibration, so hardcoded to 1 */ |
929 | cmd->channel = 1; | |
f5fc0f86 LC |
930 | |
931 | if (enable) { | |
932 | cmd_rx = CMD_ENABLE_RX; | |
933 | cmd_tx = CMD_ENABLE_TX; | |
934 | } else { | |
935 | cmd_rx = CMD_DISABLE_RX; | |
936 | cmd_tx = CMD_DISABLE_TX; | |
937 | } | |
938 | ||
fa867e73 | 939 | ret = wl1271_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd), 0); |
f5fc0f86 LC |
940 | if (ret < 0) { |
941 | wl1271_error("rx %s cmd for channel %d failed", | |
94210897 | 942 | enable ? "start" : "stop", cmd->channel); |
f5fc0f86 LC |
943 | goto out; |
944 | } | |
945 | ||
946 | wl1271_debug(DEBUG_BOOT, "rx %s cmd channel %d", | |
94210897 | 947 | enable ? "start" : "stop", cmd->channel); |
f5fc0f86 | 948 | |
fa867e73 | 949 | ret = wl1271_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd), 0); |
f5fc0f86 LC |
950 | if (ret < 0) { |
951 | wl1271_error("tx %s cmd for channel %d failed", | |
94210897 | 952 | enable ? "start" : "stop", cmd->channel); |
1b00f2b5 | 953 | goto out; |
f5fc0f86 LC |
954 | } |
955 | ||
956 | wl1271_debug(DEBUG_BOOT, "tx %s cmd channel %d", | |
94210897 | 957 | enable ? "start" : "stop", cmd->channel); |
f5fc0f86 LC |
958 | |
959 | out: | |
960 | kfree(cmd); | |
961 | return ret; | |
962 | } | |
c331b344 | 963 | EXPORT_SYMBOL_GPL(wl1271_cmd_data_path); |
f5fc0f86 | 964 | |
0603d891 | 965 | int wl1271_cmd_ps_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
f1d63a59 | 966 | u8 ps_mode, u16 auto_ps_timeout) |
f5fc0f86 LC |
967 | { |
968 | struct wl1271_cmd_ps_params *ps_params = NULL; | |
969 | int ret = 0; | |
970 | ||
f5fc0f86 LC |
971 | wl1271_debug(DEBUG_CMD, "cmd set ps mode"); |
972 | ||
973 | ps_params = kzalloc(sizeof(*ps_params), GFP_KERNEL); | |
974 | if (!ps_params) { | |
975 | ret = -ENOMEM; | |
976 | goto out; | |
977 | } | |
978 | ||
0603d891 | 979 | ps_params->role_id = wlvif->role_id; |
f5fc0f86 | 980 | ps_params->ps_mode = ps_mode; |
f1d63a59 | 981 | ps_params->auto_ps_timeout = auto_ps_timeout; |
f5fc0f86 LC |
982 | |
983 | ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params, | |
fa867e73 | 984 | sizeof(*ps_params), 0); |
f5fc0f86 LC |
985 | if (ret < 0) { |
986 | wl1271_error("cmd set_ps_mode failed"); | |
987 | goto out; | |
988 | } | |
989 | ||
990 | out: | |
991 | kfree(ps_params); | |
992 | return ret; | |
993 | } | |
994 | ||
cdaac628 EP |
995 | int wl1271_cmd_template_set(struct wl1271 *wl, u8 role_id, |
996 | u16 template_id, void *buf, size_t buf_len, | |
997 | int index, u32 rates) | |
f5fc0f86 LC |
998 | { |
999 | struct wl1271_cmd_template_set *cmd; | |
1000 | int ret = 0; | |
1001 | ||
c059beb2 EP |
1002 | wl1271_debug(DEBUG_CMD, "cmd template_set %d (role %d)", |
1003 | template_id, role_id); | |
f5fc0f86 LC |
1004 | |
1005 | WARN_ON(buf_len > WL1271_CMD_TEMPL_MAX_SIZE); | |
1006 | buf_len = min_t(size_t, buf_len, WL1271_CMD_TEMPL_MAX_SIZE); | |
1007 | ||
1008 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
1009 | if (!cmd) { | |
1010 | ret = -ENOMEM; | |
1011 | goto out; | |
1012 | } | |
1013 | ||
cdaac628 EP |
1014 | /* during initialization wlvif is NULL */ |
1015 | cmd->role_id = role_id; | |
f5fc0f86 LC |
1016 | cmd->len = cpu_to_le16(buf_len); |
1017 | cmd->template_type = template_id; | |
606c1487 | 1018 | cmd->enabled_rates = cpu_to_le32(rates); |
1e05a818 AN |
1019 | cmd->short_retry_limit = wl->conf.tx.tmpl_short_retry_limit; |
1020 | cmd->long_retry_limit = wl->conf.tx.tmpl_long_retry_limit; | |
bfb24c9e | 1021 | cmd->index = index; |
f5fc0f86 LC |
1022 | |
1023 | if (buf) | |
1024 | memcpy(cmd->template_data, buf, buf_len); | |
1025 | ||
fa867e73 | 1026 | ret = wl1271_cmd_send(wl, CMD_SET_TEMPLATE, cmd, sizeof(*cmd), 0); |
f5fc0f86 LC |
1027 | if (ret < 0) { |
1028 | wl1271_warning("cmd set_template failed: %d", ret); | |
1029 | goto out_free; | |
1030 | } | |
1031 | ||
1032 | out_free: | |
1033 | kfree(cmd); | |
1034 | ||
1035 | out: | |
1036 | return ret; | |
1037 | } | |
1038 | ||
d2d66c56 | 1039 | int wl12xx_cmd_build_null_data(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
f5fc0f86 | 1040 | { |
a0cb7be4 JO |
1041 | struct sk_buff *skb = NULL; |
1042 | int size; | |
1043 | void *ptr; | |
1044 | int ret = -ENOMEM; | |
f5fc0f86 | 1045 | |
f5fc0f86 | 1046 | |
536129c8 | 1047 | if (wlvif->bss_type == BSS_TYPE_IBSS) { |
a0cb7be4 JO |
1048 | size = sizeof(struct wl12xx_null_data_template); |
1049 | ptr = NULL; | |
1050 | } else { | |
d2d66c56 EP |
1051 | skb = ieee80211_nullfunc_get(wl->hw, |
1052 | wl12xx_wlvif_to_vif(wlvif)); | |
a0cb7be4 JO |
1053 | if (!skb) |
1054 | goto out; | |
1055 | size = skb->len; | |
1056 | ptr = skb->data; | |
1057 | } | |
1058 | ||
cdaac628 EP |
1059 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, |
1060 | CMD_TEMPL_NULL_DATA, ptr, size, 0, | |
d2d66c56 | 1061 | wlvif->basic_rate); |
f5fc0f86 | 1062 | |
899e6e65 KV |
1063 | out: |
1064 | dev_kfree_skb(skb); | |
a0cb7be4 JO |
1065 | if (ret) |
1066 | wl1271_warning("cmd buld null data failed %d", ret); | |
1067 | ||
899e6e65 | 1068 | return ret; |
f5fc0f86 LC |
1069 | |
1070 | } | |
1071 | ||
d2d66c56 EP |
1072 | int wl12xx_cmd_build_klv_null_data(struct wl1271 *wl, |
1073 | struct wl12xx_vif *wlvif) | |
bfb24c9e | 1074 | { |
d2d66c56 | 1075 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
bfb24c9e JO |
1076 | struct sk_buff *skb = NULL; |
1077 | int ret = -ENOMEM; | |
1078 | ||
d2d66c56 | 1079 | skb = ieee80211_nullfunc_get(wl->hw, vif); |
bfb24c9e JO |
1080 | if (!skb) |
1081 | goto out; | |
1082 | ||
cdaac628 | 1083 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_KLV, |
bfb24c9e | 1084 | skb->data, skb->len, |
001e39a8 | 1085 | wlvif->sta.klv_template_id, |
d2d66c56 | 1086 | wlvif->basic_rate); |
bfb24c9e JO |
1087 | |
1088 | out: | |
1089 | dev_kfree_skb(skb); | |
1090 | if (ret) | |
1091 | wl1271_warning("cmd build klv null data failed %d", ret); | |
1092 | ||
1093 | return ret; | |
1094 | ||
1095 | } | |
1096 | ||
87fbcb0f EP |
1097 | int wl1271_cmd_build_ps_poll(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
1098 | u16 aid) | |
f5fc0f86 | 1099 | { |
6e8cd331 | 1100 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
899e6e65 KV |
1101 | struct sk_buff *skb; |
1102 | int ret = 0; | |
c3fea199 | 1103 | |
6e8cd331 | 1104 | skb = ieee80211_pspoll_get(wl->hw, vif); |
899e6e65 KV |
1105 | if (!skb) |
1106 | goto out; | |
f5fc0f86 | 1107 | |
cdaac628 EP |
1108 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, |
1109 | CMD_TEMPL_PS_POLL, skb->data, | |
87fbcb0f | 1110 | skb->len, 0, wlvif->basic_rate_set); |
f5fc0f86 | 1111 | |
899e6e65 KV |
1112 | out: |
1113 | dev_kfree_skb(skb); | |
1114 | return ret; | |
f5fc0f86 LC |
1115 | } |
1116 | ||
cdaac628 EP |
1117 | int wl12xx_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
1118 | u8 role_id, u8 band, | |
818e3063 | 1119 | const u8 *ssid, size_t ssid_len, |
3df74f46 | 1120 | const u8 *ie, size_t ie_len, bool sched_scan) |
f5fc0f86 | 1121 | { |
83587505 | 1122 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
818e3063 | 1123 | struct sk_buff *skb; |
abb0b3bf | 1124 | int ret; |
af7fbb28 | 1125 | u32 rate; |
78e28062 EP |
1126 | u16 template_id_2_4 = wl->scan_templ_id_2_4; |
1127 | u16 template_id_5 = wl->scan_templ_id_5; | |
f5fc0f86 | 1128 | |
83587505 | 1129 | skb = ieee80211_probereq_get(wl->hw, vif, ssid, ssid_len, |
b9a9ada1 | 1130 | ie_len); |
818e3063 KV |
1131 | if (!skb) { |
1132 | ret = -ENOMEM; | |
1133 | goto out; | |
1134 | } | |
b9a9ada1 JB |
1135 | if (ie_len) |
1136 | memcpy(skb_put(skb, ie_len), ie, ie_len); | |
818e3063 KV |
1137 | |
1138 | wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", skb->data, skb->len); | |
f5fc0f86 | 1139 | |
78e28062 | 1140 | if (sched_scan && |
3df74f46 | 1141 | (wl->quirks & WLCORE_QUIRK_DUAL_PROBE_TMPL)) { |
78e28062 EP |
1142 | template_id_2_4 = wl->sched_scan_templ_id_2_4; |
1143 | template_id_5 = wl->sched_scan_templ_id_5; | |
3df74f46 YD |
1144 | } |
1145 | ||
83587505 | 1146 | rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[band]); |
abb0b3bf | 1147 | if (band == IEEE80211_BAND_2GHZ) |
cdaac628 | 1148 | ret = wl1271_cmd_template_set(wl, role_id, |
3df74f46 | 1149 | template_id_2_4, |
af7fbb28 | 1150 | skb->data, skb->len, 0, rate); |
abb0b3bf | 1151 | else |
cdaac628 | 1152 | ret = wl1271_cmd_template_set(wl, role_id, |
3df74f46 | 1153 | template_id_5, |
af7fbb28 | 1154 | skb->data, skb->len, 0, rate); |
818e3063 KV |
1155 | |
1156 | out: | |
1157 | dev_kfree_skb(skb); | |
abb0b3bf | 1158 | return ret; |
f5fc0f86 | 1159 | } |
78e28062 | 1160 | EXPORT_SYMBOL_GPL(wl12xx_cmd_build_probe_req); |
f5fc0f86 | 1161 | |
2f6724b2 | 1162 | struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl, |
83587505 | 1163 | struct wl12xx_vif *wlvif, |
2f6724b2 JO |
1164 | struct sk_buff *skb) |
1165 | { | |
83587505 | 1166 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
2f6724b2 | 1167 | int ret; |
af7fbb28 | 1168 | u32 rate; |
2f6724b2 JO |
1169 | |
1170 | if (!skb) | |
83587505 | 1171 | skb = ieee80211_ap_probereq_get(wl->hw, vif); |
2f6724b2 JO |
1172 | if (!skb) |
1173 | goto out; | |
1174 | ||
1175 | wl1271_dump(DEBUG_SCAN, "AP PROBE REQ: ", skb->data, skb->len); | |
1176 | ||
1b92f15e EP |
1177 | rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[wlvif->band]); |
1178 | if (wlvif->band == IEEE80211_BAND_2GHZ) | |
cdaac628 EP |
1179 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, |
1180 | CMD_TEMPL_CFG_PROBE_REQ_2_4, | |
af7fbb28 | 1181 | skb->data, skb->len, 0, rate); |
2f6724b2 | 1182 | else |
cdaac628 EP |
1183 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, |
1184 | CMD_TEMPL_CFG_PROBE_REQ_5, | |
af7fbb28 | 1185 | skb->data, skb->len, 0, rate); |
2f6724b2 JO |
1186 | |
1187 | if (ret < 0) | |
1188 | wl1271_error("Unable to set ap probe request template."); | |
1189 | ||
1190 | out: | |
1191 | return skb; | |
1192 | } | |
1193 | ||
5ec8a448 | 1194 | int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
c5312772 | 1195 | { |
2c0133a4 | 1196 | int ret, extra = 0; |
5ec8a448 | 1197 | u16 fc; |
6e8cd331 | 1198 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
5ec8a448 EP |
1199 | struct sk_buff *skb; |
1200 | struct wl12xx_arp_rsp_template *tmpl; | |
c5312772 EP |
1201 | struct ieee80211_hdr_3addr *hdr; |
1202 | struct arphdr *arp_hdr; | |
1203 | ||
5ec8a448 EP |
1204 | skb = dev_alloc_skb(sizeof(*hdr) + sizeof(__le16) + sizeof(*tmpl) + |
1205 | WL1271_EXTRA_SPACE_MAX); | |
1206 | if (!skb) { | |
1207 | wl1271_error("failed to allocate buffer for arp rsp template"); | |
1208 | return -ENOMEM; | |
1209 | } | |
c5312772 | 1210 | |
5ec8a448 EP |
1211 | skb_reserve(skb, sizeof(*hdr) + WL1271_EXTRA_SPACE_MAX); |
1212 | ||
1213 | tmpl = (struct wl12xx_arp_rsp_template *)skb_put(skb, sizeof(*tmpl)); | |
161f17b5 | 1214 | memset(tmpl, 0, sizeof(*tmpl)); |
c5312772 EP |
1215 | |
1216 | /* llc layer */ | |
5ec8a448 EP |
1217 | memcpy(tmpl->llc_hdr, rfc1042_header, sizeof(rfc1042_header)); |
1218 | tmpl->llc_type = cpu_to_be16(ETH_P_ARP); | |
c5312772 EP |
1219 | |
1220 | /* arp header */ | |
5ec8a448 | 1221 | arp_hdr = &tmpl->arp_hdr; |
6177eaea EP |
1222 | arp_hdr->ar_hrd = cpu_to_be16(ARPHRD_ETHER); |
1223 | arp_hdr->ar_pro = cpu_to_be16(ETH_P_IP); | |
c5312772 EP |
1224 | arp_hdr->ar_hln = ETH_ALEN; |
1225 | arp_hdr->ar_pln = 4; | |
6177eaea | 1226 | arp_hdr->ar_op = cpu_to_be16(ARPOP_REPLY); |
c5312772 EP |
1227 | |
1228 | /* arp payload */ | |
5ec8a448 EP |
1229 | memcpy(tmpl->sender_hw, vif->addr, ETH_ALEN); |
1230 | tmpl->sender_ip = wlvif->ip_addr; | |
1231 | ||
1232 | /* encryption space */ | |
1233 | switch (wlvif->encryption_type) { | |
1234 | case KEY_TKIP: | |
2c0133a4 AN |
1235 | if (wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) |
1236 | extra = WL1271_EXTRA_SPACE_TKIP; | |
5ec8a448 EP |
1237 | break; |
1238 | case KEY_AES: | |
1239 | extra = WL1271_EXTRA_SPACE_AES; | |
1240 | break; | |
1241 | case KEY_NONE: | |
1242 | case KEY_WEP: | |
1243 | case KEY_GEM: | |
1244 | extra = 0; | |
1245 | break; | |
1246 | default: | |
1247 | wl1271_warning("Unknown encryption type: %d", | |
1248 | wlvif->encryption_type); | |
1249 | ret = -EINVAL; | |
1250 | goto out; | |
1251 | } | |
1252 | ||
1253 | if (extra) { | |
1254 | u8 *space = skb_push(skb, extra); | |
1255 | memset(space, 0, extra); | |
1256 | } | |
1257 | ||
1258 | /* QoS header - BE */ | |
1259 | if (wlvif->sta.qos) | |
1260 | memset(skb_push(skb, sizeof(__le16)), 0, sizeof(__le16)); | |
1261 | ||
1262 | /* mac80211 header */ | |
1263 | hdr = (struct ieee80211_hdr_3addr *)skb_push(skb, sizeof(*hdr)); | |
161f17b5 | 1264 | memset(hdr, 0, sizeof(*hdr)); |
5ec8a448 EP |
1265 | fc = IEEE80211_FTYPE_DATA | IEEE80211_FCTL_TODS; |
1266 | if (wlvif->sta.qos) | |
1267 | fc |= IEEE80211_STYPE_QOS_DATA; | |
1268 | else | |
1269 | fc |= IEEE80211_STYPE_DATA; | |
1270 | if (wlvif->encryption_type != KEY_NONE) | |
1271 | fc |= IEEE80211_FCTL_PROTECTED; | |
1272 | ||
1273 | hdr->frame_control = cpu_to_le16(fc); | |
1274 | memcpy(hdr->addr1, vif->bss_conf.bssid, ETH_ALEN); | |
1275 | memcpy(hdr->addr2, vif->addr, ETH_ALEN); | |
1276 | memset(hdr->addr3, 0xff, ETH_ALEN); | |
c5312772 | 1277 | |
cdaac628 | 1278 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_ARP_RSP, |
5ec8a448 | 1279 | skb->data, skb->len, 0, |
d2d66c56 | 1280 | wlvif->basic_rate); |
5ec8a448 EP |
1281 | out: |
1282 | dev_kfree_skb(skb); | |
c5312772 EP |
1283 | return ret; |
1284 | } | |
1285 | ||
784f694d | 1286 | int wl1271_build_qos_null_data(struct wl1271 *wl, struct ieee80211_vif *vif) |
023e0826 | 1287 | { |
d2d66c56 | 1288 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
023e0826 KV |
1289 | struct ieee80211_qos_hdr template; |
1290 | ||
1291 | memset(&template, 0, sizeof(template)); | |
1292 | ||
cdf09495 | 1293 | memcpy(template.addr1, vif->bss_conf.bssid, ETH_ALEN); |
784f694d | 1294 | memcpy(template.addr2, vif->addr, ETH_ALEN); |
cdf09495 | 1295 | memcpy(template.addr3, vif->bss_conf.bssid, ETH_ALEN); |
023e0826 KV |
1296 | |
1297 | template.frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
1298 | IEEE80211_STYPE_QOS_NULLFUNC | | |
1299 | IEEE80211_FCTL_TODS); | |
1300 | ||
1301 | /* FIXME: not sure what priority to use here */ | |
1302 | template.qos_ctrl = cpu_to_le16(0); | |
1303 | ||
cdaac628 EP |
1304 | return wl1271_cmd_template_set(wl, wlvif->role_id, |
1305 | CMD_TEMPL_QOS_NULL_DATA, &template, | |
606c1487 | 1306 | sizeof(template), 0, |
d2d66c56 | 1307 | wlvif->basic_rate); |
023e0826 KV |
1308 | } |
1309 | ||
c690ec81 | 1310 | int wl12xx_cmd_set_default_wep_key(struct wl1271 *wl, u8 id, u8 hlid) |
f5fc0f86 | 1311 | { |
c690ec81 | 1312 | struct wl1271_cmd_set_keys *cmd; |
f5fc0f86 LC |
1313 | int ret = 0; |
1314 | ||
1315 | wl1271_debug(DEBUG_CMD, "cmd set_default_wep_key %d", id); | |
1316 | ||
1317 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
1318 | if (!cmd) { | |
1319 | ret = -ENOMEM; | |
1320 | goto out; | |
1321 | } | |
1322 | ||
c690ec81 | 1323 | cmd->hlid = hlid; |
98bdaabb AN |
1324 | cmd->key_id = id; |
1325 | cmd->lid_key_type = WEP_DEFAULT_LID_TYPE; | |
1326 | cmd->key_action = cpu_to_le16(KEY_SET_ID); | |
1327 | cmd->key_type = KEY_WEP; | |
1328 | ||
1329 | ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); | |
1330 | if (ret < 0) { | |
c690ec81 | 1331 | wl1271_warning("cmd set_default_wep_key failed: %d", ret); |
98bdaabb AN |
1332 | goto out; |
1333 | } | |
1334 | ||
1335 | out: | |
1336 | kfree(cmd); | |
1337 | ||
1338 | return ret; | |
1339 | } | |
1340 | ||
a8ab39a4 | 1341 | int wl1271_cmd_set_sta_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
154da67c | 1342 | u16 action, u8 id, u8 key_type, |
ac4e4ce5 JO |
1343 | u8 key_size, const u8 *key, const u8 *addr, |
1344 | u32 tx_seq_32, u16 tx_seq_16) | |
f5fc0f86 | 1345 | { |
c690ec81 | 1346 | struct wl1271_cmd_set_keys *cmd; |
f5fc0f86 LC |
1347 | int ret = 0; |
1348 | ||
b42f068b | 1349 | /* hlid might have already been deleted */ |
154da67c | 1350 | if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) |
b42f068b EP |
1351 | return 0; |
1352 | ||
f5fc0f86 LC |
1353 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
1354 | if (!cmd) { | |
1355 | ret = -ENOMEM; | |
1356 | goto out; | |
1357 | } | |
1358 | ||
154da67c | 1359 | cmd->hlid = wlvif->sta.hlid; |
c690ec81 EP |
1360 | |
1361 | if (key_type == KEY_WEP) | |
1362 | cmd->lid_key_type = WEP_DEFAULT_LID_TYPE; | |
1363 | else if (is_broadcast_ether_addr(addr)) | |
1364 | cmd->lid_key_type = BROADCAST_LID_TYPE; | |
1365 | else | |
1366 | cmd->lid_key_type = UNICAST_LID_TYPE; | |
f5fc0f86 | 1367 | |
d0f63b20 | 1368 | cmd->key_action = cpu_to_le16(action); |
f5fc0f86 LC |
1369 | cmd->key_size = key_size; |
1370 | cmd->key_type = key_type; | |
1371 | ||
d0f63b20 LC |
1372 | cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16); |
1373 | cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32); | |
ac4e4ce5 | 1374 | |
c690ec81 | 1375 | cmd->key_id = id; |
f5fc0f86 | 1376 | |
f5fc0f86 LC |
1377 | if (key_type == KEY_TKIP) { |
1378 | /* | |
1379 | * We get the key in the following form: | |
1380 | * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) | |
1381 | * but the target is expecting: | |
1382 | * TKIP - RX MIC - TX MIC | |
1383 | */ | |
1384 | memcpy(cmd->key, key, 16); | |
1385 | memcpy(cmd->key + 16, key + 24, 8); | |
1386 | memcpy(cmd->key + 24, key + 16, 8); | |
1387 | ||
1388 | } else { | |
1389 | memcpy(cmd->key, key, key_size); | |
1390 | } | |
1391 | ||
1392 | wl1271_dump(DEBUG_CRYPT, "TARGET KEY: ", cmd, sizeof(*cmd)); | |
1393 | ||
fa867e73 | 1394 | ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); |
f5fc0f86 LC |
1395 | if (ret < 0) { |
1396 | wl1271_warning("could not set keys"); | |
152ee6e0 | 1397 | goto out; |
f5fc0f86 LC |
1398 | } |
1399 | ||
1400 | out: | |
1401 | kfree(cmd); | |
1402 | ||
1403 | return ret; | |
1404 | } | |
25a7dc6d | 1405 | |
c690ec81 EP |
1406 | /* |
1407 | * TODO: merge with sta/ibss into 1 set_key function. | |
1408 | * note there are slight diffs | |
1409 | */ | |
a8ab39a4 EP |
1410 | int wl1271_cmd_set_ap_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
1411 | u16 action, u8 id, u8 key_type, | |
1412 | u8 key_size, const u8 *key, u8 hlid, u32 tx_seq_32, | |
1413 | u16 tx_seq_16) | |
98bdaabb | 1414 | { |
c690ec81 | 1415 | struct wl1271_cmd_set_keys *cmd; |
98bdaabb AN |
1416 | int ret = 0; |
1417 | u8 lid_type; | |
1418 | ||
1419 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
1420 | if (!cmd) | |
1421 | return -ENOMEM; | |
1422 | ||
a8ab39a4 | 1423 | if (hlid == wlvif->ap.bcast_hlid) { |
98bdaabb AN |
1424 | if (key_type == KEY_WEP) |
1425 | lid_type = WEP_DEFAULT_LID_TYPE; | |
1426 | else | |
1427 | lid_type = BROADCAST_LID_TYPE; | |
1428 | } else { | |
1429 | lid_type = UNICAST_LID_TYPE; | |
1430 | } | |
1431 | ||
1432 | wl1271_debug(DEBUG_CRYPT, "ap key action: %d id: %d lid: %d type: %d" | |
1433 | " hlid: %d", (int)action, (int)id, (int)lid_type, | |
1434 | (int)key_type, (int)hlid); | |
1435 | ||
1436 | cmd->lid_key_type = lid_type; | |
1437 | cmd->hlid = hlid; | |
1438 | cmd->key_action = cpu_to_le16(action); | |
1439 | cmd->key_size = key_size; | |
1440 | cmd->key_type = key_type; | |
1441 | cmd->key_id = id; | |
1442 | cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16); | |
1443 | cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32); | |
1444 | ||
1445 | if (key_type == KEY_TKIP) { | |
1446 | /* | |
1447 | * We get the key in the following form: | |
1448 | * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) | |
1449 | * but the target is expecting: | |
1450 | * TKIP - RX MIC - TX MIC | |
1451 | */ | |
1452 | memcpy(cmd->key, key, 16); | |
1453 | memcpy(cmd->key + 16, key + 24, 8); | |
1454 | memcpy(cmd->key + 24, key + 16, 8); | |
1455 | } else { | |
1456 | memcpy(cmd->key, key, key_size); | |
1457 | } | |
1458 | ||
1459 | wl1271_dump(DEBUG_CRYPT, "TARGET AP KEY: ", cmd, sizeof(*cmd)); | |
1460 | ||
1461 | ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); | |
1462 | if (ret < 0) { | |
1463 | wl1271_warning("could not set ap keys"); | |
1464 | goto out; | |
1465 | } | |
1466 | ||
1467 | out: | |
1468 | kfree(cmd); | |
1469 | return ret; | |
1470 | } | |
1471 | ||
d50529c0 EP |
1472 | int wl12xx_cmd_set_peer_state(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
1473 | u8 hlid) | |
be86cbea | 1474 | { |
c690ec81 | 1475 | struct wl12xx_cmd_set_peer_state *cmd; |
be86cbea JO |
1476 | int ret = 0; |
1477 | ||
b67476ef | 1478 | wl1271_debug(DEBUG_CMD, "cmd set peer state (hlid=%d)", hlid); |
be86cbea JO |
1479 | |
1480 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
1481 | if (!cmd) { | |
1482 | ret = -ENOMEM; | |
1483 | goto out; | |
1484 | } | |
1485 | ||
b67476ef | 1486 | cmd->hlid = hlid; |
be86cbea JO |
1487 | cmd->state = WL1271_CMD_STA_STATE_CONNECTED; |
1488 | ||
d50529c0 EP |
1489 | /* wmm param is valid only for station role */ |
1490 | if (wlvif->bss_type == BSS_TYPE_STA_BSS) | |
1491 | cmd->wmm = wlvif->wmm_enabled; | |
1492 | ||
c690ec81 | 1493 | ret = wl1271_cmd_send(wl, CMD_SET_PEER_STATE, cmd, sizeof(*cmd), 0); |
be86cbea | 1494 | if (ret < 0) { |
c690ec81 | 1495 | wl1271_error("failed to send set peer state command"); |
be86cbea JO |
1496 | goto out_free; |
1497 | } | |
1498 | ||
1499 | out_free: | |
1500 | kfree(cmd); | |
1501 | ||
1502 | out: | |
1503 | return ret; | |
1504 | } | |
99d5ad7b | 1505 | |
1b92f15e EP |
1506 | int wl12xx_cmd_add_peer(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
1507 | struct ieee80211_sta *sta, u8 hlid) | |
98bdaabb | 1508 | { |
c690ec81 | 1509 | struct wl12xx_cmd_add_peer *cmd; |
1ec23f7f | 1510 | int i, ret; |
99d5ad7b | 1511 | u32 sta_rates; |
98bdaabb | 1512 | |
c690ec81 | 1513 | wl1271_debug(DEBUG_CMD, "cmd add peer %d", (int)hlid); |
98bdaabb AN |
1514 | |
1515 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
1516 | if (!cmd) { | |
1517 | ret = -ENOMEM; | |
1518 | goto out; | |
1519 | } | |
1520 | ||
98bdaabb AN |
1521 | memcpy(cmd->addr, sta->addr, ETH_ALEN); |
1522 | cmd->bss_index = WL1271_AP_BSS_INDEX; | |
1523 | cmd->aid = sta->aid; | |
1524 | cmd->hlid = hlid; | |
1ec23f7f | 1525 | cmd->sp_len = sta->max_sp; |
b4d38db1 | 1526 | cmd->wmm = sta->wme ? 1 : 0; |
978cd3a0 | 1527 | cmd->session_id = wl->session_ids[hlid]; |
98bdaabb | 1528 | |
1ec23f7f EP |
1529 | for (i = 0; i < NUM_ACCESS_CATEGORIES_COPY; i++) |
1530 | if (sta->wme && (sta->uapsd_queues & BIT(i))) | |
2e42c203 YD |
1531 | cmd->psd_type[NUM_ACCESS_CATEGORIES_COPY-1-i] = |
1532 | WL1271_PSD_UPSD_TRIGGER; | |
1ec23f7f | 1533 | else |
2e42c203 YD |
1534 | cmd->psd_type[NUM_ACCESS_CATEGORIES_COPY-1-i] = |
1535 | WL1271_PSD_LEGACY; | |
1536 | ||
1ec23f7f | 1537 | |
1b92f15e | 1538 | sta_rates = sta->supp_rates[wlvif->band]; |
99d5ad7b | 1539 | if (sta->ht_cap.ht_supported) |
b3a47ee0 AN |
1540 | sta_rates |= |
1541 | (sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET) | | |
1542 | (sta->ht_cap.mcs.rx_mask[1] << HW_MIMO_RATES_OFFSET); | |
99d5ad7b AN |
1543 | |
1544 | cmd->supported_rates = | |
af7fbb28 | 1545 | cpu_to_le32(wl1271_tx_enabled_rates_get(wl, sta_rates, |
1b92f15e | 1546 | wlvif->band)); |
98bdaabb | 1547 | |
1ec23f7f EP |
1548 | wl1271_debug(DEBUG_CMD, "new peer rates=0x%x queues=0x%x", |
1549 | cmd->supported_rates, sta->uapsd_queues); | |
98bdaabb | 1550 | |
c690ec81 | 1551 | ret = wl1271_cmd_send(wl, CMD_ADD_PEER, cmd, sizeof(*cmd), 0); |
98bdaabb | 1552 | if (ret < 0) { |
c690ec81 | 1553 | wl1271_error("failed to initiate cmd add peer"); |
98bdaabb AN |
1554 | goto out_free; |
1555 | } | |
1556 | ||
1557 | out_free: | |
1558 | kfree(cmd); | |
1559 | ||
1560 | out: | |
1561 | return ret; | |
1562 | } | |
1563 | ||
c690ec81 | 1564 | int wl12xx_cmd_remove_peer(struct wl1271 *wl, u8 hlid) |
98bdaabb | 1565 | { |
c690ec81 | 1566 | struct wl12xx_cmd_remove_peer *cmd; |
98bdaabb | 1567 | int ret; |
6c15c1aa | 1568 | bool timeout = false; |
98bdaabb | 1569 | |
c690ec81 | 1570 | wl1271_debug(DEBUG_CMD, "cmd remove peer %d", (int)hlid); |
98bdaabb AN |
1571 | |
1572 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
1573 | if (!cmd) { | |
1574 | ret = -ENOMEM; | |
1575 | goto out; | |
1576 | } | |
1577 | ||
1578 | cmd->hlid = hlid; | |
1579 | /* We never send a deauth, mac80211 is in charge of this */ | |
1580 | cmd->reason_opcode = 0; | |
1581 | cmd->send_deauth_flag = 0; | |
1582 | ||
c690ec81 | 1583 | ret = wl1271_cmd_send(wl, CMD_REMOVE_PEER, cmd, sizeof(*cmd), 0); |
98bdaabb | 1584 | if (ret < 0) { |
c690ec81 | 1585 | wl1271_error("failed to initiate cmd remove peer"); |
98bdaabb AN |
1586 | goto out_free; |
1587 | } | |
1588 | ||
c50a2825 EP |
1589 | ret = wl->ops->wait_for_event(wl, |
1590 | WLCORE_EVENT_PEER_REMOVE_COMPLETE, | |
1591 | &timeout); | |
1592 | ||
05285cf9 AN |
1593 | /* |
1594 | * We are ok with a timeout here. The event is sometimes not sent | |
6c15c1aa ES |
1595 | * due to a firmware bug. In case of another error (like SDIO timeout) |
1596 | * queue a recovery. | |
05285cf9 | 1597 | */ |
6c15c1aa ES |
1598 | if (ret) |
1599 | wl12xx_queue_recovery_work(wl); | |
98bdaabb AN |
1600 | |
1601 | out_free: | |
1602 | kfree(cmd); | |
1603 | ||
1604 | out: | |
1605 | return ret; | |
1606 | } | |
95dac04f | 1607 | |
6b70e7eb VG |
1608 | static int wlcore_get_reg_conf_ch_idx(enum ieee80211_band band, u16 ch) |
1609 | { | |
1610 | int idx = -1; | |
1611 | ||
1612 | switch (band) { | |
1613 | case IEEE80211_BAND_5GHZ: | |
1614 | if (ch >= 8 && ch <= 16) | |
1615 | idx = ((ch-8)/4 + 18); | |
1616 | else if (ch >= 34 && ch <= 64) | |
1617 | idx = ((ch-34)/2 + 3 + 18); | |
1618 | else if (ch >= 100 && ch <= 140) | |
1619 | idx = ((ch-100)/4 + 15 + 18); | |
1620 | else if (ch >= 149 && ch <= 165) | |
1621 | idx = ((ch-149)/4 + 26 + 18); | |
1622 | else | |
1623 | idx = -1; | |
1624 | break; | |
1625 | case IEEE80211_BAND_2GHZ: | |
1626 | if (ch >= 1 && ch <= 14) | |
1627 | idx = ch - 1; | |
1628 | else | |
1629 | idx = -1; | |
1630 | break; | |
1631 | default: | |
1632 | wl1271_error("get reg conf ch idx - unknown band: %d", | |
1633 | (int)band); | |
1634 | } | |
1635 | ||
1636 | return idx; | |
1637 | } | |
1638 | ||
1639 | void wlcore_set_pending_regdomain_ch(struct wl1271 *wl, u16 channel, | |
1640 | enum ieee80211_band band) | |
1641 | { | |
1642 | int ch_bit_idx = 0; | |
1643 | ||
1644 | if (!(wl->quirks & WLCORE_QUIRK_REGDOMAIN_CONF)) | |
1645 | return; | |
1646 | ||
1647 | ch_bit_idx = wlcore_get_reg_conf_ch_idx(band, channel); | |
1648 | ||
1649 | if (ch_bit_idx > 0 && ch_bit_idx <= WL1271_MAX_CHANNELS) | |
1650 | set_bit(ch_bit_idx, (long *)wl->reg_ch_conf_pending); | |
1651 | } | |
1652 | ||
1653 | int wlcore_cmd_regdomain_config_locked(struct wl1271 *wl) | |
1654 | { | |
1655 | struct wl12xx_cmd_regdomain_dfs_config *cmd = NULL; | |
1656 | int ret = 0, i, b, ch_bit_idx; | |
1657 | struct ieee80211_channel *channel; | |
1658 | u32 tmp_ch_bitmap[2]; | |
1659 | u16 ch; | |
1660 | struct wiphy *wiphy = wl->hw->wiphy; | |
1661 | struct ieee80211_supported_band *band; | |
1662 | bool timeout = false; | |
1663 | ||
1664 | if (!(wl->quirks & WLCORE_QUIRK_REGDOMAIN_CONF)) | |
1665 | return 0; | |
1666 | ||
1667 | wl1271_debug(DEBUG_CMD, "cmd reg domain config"); | |
1668 | ||
1669 | memset(tmp_ch_bitmap, 0, sizeof(tmp_ch_bitmap)); | |
1670 | ||
1671 | for (b = IEEE80211_BAND_2GHZ; b <= IEEE80211_BAND_5GHZ; b++) { | |
1672 | band = wiphy->bands[b]; | |
1673 | for (i = 0; i < band->n_channels; i++) { | |
1674 | channel = &band->channels[i]; | |
1675 | ch = channel->hw_value; | |
1676 | ||
1677 | if (channel->flags & (IEEE80211_CHAN_DISABLED | | |
1678 | IEEE80211_CHAN_RADAR | | |
1679 | IEEE80211_CHAN_PASSIVE_SCAN)) | |
1680 | continue; | |
1681 | ||
1682 | ch_bit_idx = wlcore_get_reg_conf_ch_idx(b, ch); | |
1683 | if (ch_bit_idx < 0) | |
1684 | continue; | |
1685 | ||
1686 | set_bit(ch_bit_idx, (long *)tmp_ch_bitmap); | |
1687 | } | |
1688 | } | |
1689 | ||
1690 | tmp_ch_bitmap[0] |= wl->reg_ch_conf_pending[0]; | |
1691 | tmp_ch_bitmap[1] |= wl->reg_ch_conf_pending[1]; | |
1692 | ||
1693 | if (!memcmp(tmp_ch_bitmap, wl->reg_ch_conf_last, sizeof(tmp_ch_bitmap))) | |
1694 | goto out; | |
1695 | ||
1696 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
1697 | if (!cmd) { | |
1698 | ret = -ENOMEM; | |
1699 | goto out; | |
1700 | } | |
1701 | ||
1702 | cmd->ch_bit_map1 = cpu_to_le32(tmp_ch_bitmap[0]); | |
1703 | cmd->ch_bit_map2 = cpu_to_le32(tmp_ch_bitmap[1]); | |
1704 | ||
1705 | wl1271_debug(DEBUG_CMD, | |
1706 | "cmd reg domain bitmap1: 0x%08x, bitmap2: 0x%08x", | |
1707 | cmd->ch_bit_map1, cmd->ch_bit_map2); | |
1708 | ||
1709 | ret = wl1271_cmd_send(wl, CMD_DFS_CHANNEL_CONFIG, cmd, sizeof(*cmd), 0); | |
1710 | if (ret < 0) { | |
1711 | wl1271_error("failed to send reg domain dfs config"); | |
1712 | goto out; | |
1713 | } | |
1714 | ||
1715 | ret = wl->ops->wait_for_event(wl, | |
1716 | WLCORE_EVENT_DFS_CONFIG_COMPLETE, | |
1717 | &timeout); | |
1718 | if (ret < 0 || timeout) { | |
1719 | wl1271_error("reg domain conf %serror", | |
1720 | timeout ? "completion " : ""); | |
1721 | ret = timeout ? -ETIMEDOUT : ret; | |
1722 | goto out; | |
1723 | } | |
1724 | ||
1725 | memcpy(wl->reg_ch_conf_last, tmp_ch_bitmap, sizeof(tmp_ch_bitmap)); | |
1726 | memset(wl->reg_ch_conf_pending, 0, sizeof(wl->reg_ch_conf_pending)); | |
1727 | ||
1728 | out: | |
1729 | kfree(cmd); | |
1730 | return ret; | |
1731 | } | |
1732 | ||
95dac04f IY |
1733 | int wl12xx_cmd_config_fwlog(struct wl1271 *wl) |
1734 | { | |
1735 | struct wl12xx_cmd_config_fwlog *cmd; | |
1736 | int ret = 0; | |
1737 | ||
1738 | wl1271_debug(DEBUG_CMD, "cmd config firmware logger"); | |
1739 | ||
1740 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
1741 | if (!cmd) { | |
1742 | ret = -ENOMEM; | |
1743 | goto out; | |
1744 | } | |
1745 | ||
1746 | cmd->logger_mode = wl->conf.fwlog.mode; | |
1747 | cmd->log_severity = wl->conf.fwlog.severity; | |
1748 | cmd->timestamp = wl->conf.fwlog.timestamp; | |
1749 | cmd->output = wl->conf.fwlog.output; | |
1750 | cmd->threshold = wl->conf.fwlog.threshold; | |
1751 | ||
1752 | ret = wl1271_cmd_send(wl, CMD_CONFIG_FWLOGGER, cmd, sizeof(*cmd), 0); | |
1753 | if (ret < 0) { | |
1754 | wl1271_error("failed to send config firmware logger command"); | |
1755 | goto out_free; | |
1756 | } | |
1757 | ||
1758 | out_free: | |
1759 | kfree(cmd); | |
1760 | ||
1761 | out: | |
1762 | return ret; | |
1763 | } | |
1764 | ||
1765 | int wl12xx_cmd_start_fwlog(struct wl1271 *wl) | |
1766 | { | |
1767 | struct wl12xx_cmd_start_fwlog *cmd; | |
1768 | int ret = 0; | |
1769 | ||
1770 | wl1271_debug(DEBUG_CMD, "cmd start firmware logger"); | |
1771 | ||
1772 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
1773 | if (!cmd) { | |
1774 | ret = -ENOMEM; | |
1775 | goto out; | |
1776 | } | |
1777 | ||
1778 | ret = wl1271_cmd_send(wl, CMD_START_FWLOGGER, cmd, sizeof(*cmd), 0); | |
1779 | if (ret < 0) { | |
1780 | wl1271_error("failed to send start firmware logger command"); | |
1781 | goto out_free; | |
1782 | } | |
1783 | ||
1784 | out_free: | |
1785 | kfree(cmd); | |
1786 | ||
1787 | out: | |
1788 | return ret; | |
1789 | } | |
1790 | ||
1791 | int wl12xx_cmd_stop_fwlog(struct wl1271 *wl) | |
1792 | { | |
1793 | struct wl12xx_cmd_stop_fwlog *cmd; | |
1794 | int ret = 0; | |
1795 | ||
1796 | wl1271_debug(DEBUG_CMD, "cmd stop firmware logger"); | |
1797 | ||
1798 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
1799 | if (!cmd) { | |
1800 | ret = -ENOMEM; | |
1801 | goto out; | |
1802 | } | |
1803 | ||
1804 | ret = wl1271_cmd_send(wl, CMD_STOP_FWLOGGER, cmd, sizeof(*cmd), 0); | |
1805 | if (ret < 0) { | |
1806 | wl1271_error("failed to send stop firmware logger command"); | |
1807 | goto out_free; | |
1808 | } | |
1809 | ||
1810 | out_free: | |
1811 | kfree(cmd); | |
1812 | ||
1813 | out: | |
1814 | return ret; | |
1815 | } | |
a7cba384 | 1816 | |
1b92f15e | 1817 | static int wl12xx_cmd_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
dabf37db | 1818 | u8 role_id, enum ieee80211_band band, u8 channel) |
a7cba384 EP |
1819 | { |
1820 | struct wl12xx_cmd_roc *cmd; | |
1821 | int ret = 0; | |
1822 | ||
dabf37db | 1823 | wl1271_debug(DEBUG_CMD, "cmd roc %d (%d)", channel, role_id); |
a7cba384 EP |
1824 | |
1825 | if (WARN_ON(role_id == WL12XX_INVALID_ROLE_ID)) | |
1826 | return -EINVAL; | |
1827 | ||
1828 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
1829 | if (!cmd) { | |
1830 | ret = -ENOMEM; | |
1831 | goto out; | |
1832 | } | |
1833 | ||
1834 | cmd->role_id = role_id; | |
dabf37db EP |
1835 | cmd->channel = channel; |
1836 | switch (band) { | |
a7cba384 | 1837 | case IEEE80211_BAND_2GHZ: |
00782136 | 1838 | cmd->band = WLCORE_BAND_2_4GHZ; |
a7cba384 EP |
1839 | break; |
1840 | case IEEE80211_BAND_5GHZ: | |
00782136 | 1841 | cmd->band = WLCORE_BAND_5GHZ; |
a7cba384 EP |
1842 | break; |
1843 | default: | |
1b92f15e | 1844 | wl1271_error("roc - unknown band: %d", (int)wlvif->band); |
a7cba384 EP |
1845 | ret = -EINVAL; |
1846 | goto out_free; | |
1847 | } | |
1848 | ||
1849 | ||
1850 | ret = wl1271_cmd_send(wl, CMD_REMAIN_ON_CHANNEL, cmd, sizeof(*cmd), 0); | |
1851 | if (ret < 0) { | |
1852 | wl1271_error("failed to send ROC command"); | |
1853 | goto out_free; | |
1854 | } | |
1855 | ||
1856 | out_free: | |
1857 | kfree(cmd); | |
1858 | ||
1859 | out: | |
1860 | return ret; | |
1861 | } | |
1862 | ||
1863 | static int wl12xx_cmd_croc(struct wl1271 *wl, u8 role_id) | |
1864 | { | |
1865 | struct wl12xx_cmd_croc *cmd; | |
1866 | int ret = 0; | |
1867 | ||
1868 | wl1271_debug(DEBUG_CMD, "cmd croc (%d)", role_id); | |
1869 | ||
1870 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
1871 | if (!cmd) { | |
1872 | ret = -ENOMEM; | |
1873 | goto out; | |
1874 | } | |
1875 | cmd->role_id = role_id; | |
1876 | ||
1877 | ret = wl1271_cmd_send(wl, CMD_CANCEL_REMAIN_ON_CHANNEL, cmd, | |
1878 | sizeof(*cmd), 0); | |
1879 | if (ret < 0) { | |
1880 | wl1271_error("failed to send ROC command"); | |
1881 | goto out_free; | |
1882 | } | |
1883 | ||
1884 | out_free: | |
1885 | kfree(cmd); | |
1886 | ||
1887 | out: | |
1888 | return ret; | |
1889 | } | |
251c177f | 1890 | |
dabf37db EP |
1891 | int wl12xx_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 role_id, |
1892 | enum ieee80211_band band, u8 channel) | |
251c177f EP |
1893 | { |
1894 | int ret = 0; | |
1895 | ||
1896 | if (WARN_ON(test_bit(role_id, wl->roc_map))) | |
1897 | return 0; | |
1898 | ||
dabf37db | 1899 | ret = wl12xx_cmd_roc(wl, wlvif, role_id, band, channel); |
251c177f EP |
1900 | if (ret < 0) |
1901 | goto out; | |
1902 | ||
251c177f EP |
1903 | __set_bit(role_id, wl->roc_map); |
1904 | out: | |
1905 | return ret; | |
1906 | } | |
1907 | ||
1908 | int wl12xx_croc(struct wl1271 *wl, u8 role_id) | |
1909 | { | |
1910 | int ret = 0; | |
1911 | ||
1912 | if (WARN_ON(!test_bit(role_id, wl->roc_map))) | |
1913 | return 0; | |
1914 | ||
1915 | ret = wl12xx_cmd_croc(wl, role_id); | |
1916 | if (ret < 0) | |
1917 | goto out; | |
1918 | ||
1919 | __clear_bit(role_id, wl->roc_map); | |
55df5afb AN |
1920 | |
1921 | /* | |
1922 | * Rearm the tx watchdog when removing the last ROC. This prevents | |
1923 | * recoveries due to just finished ROCs - when Tx hasn't yet had | |
1924 | * a chance to get out. | |
1925 | */ | |
1926 | if (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) >= WL12XX_MAX_ROLES) | |
1927 | wl12xx_rearm_tx_watchdog_locked(wl); | |
251c177f EP |
1928 | out: |
1929 | return ret; | |
1930 | } | |
6d158ff3 | 1931 | |
fcab1890 | 1932 | int wl12xx_cmd_stop_channel_switch(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
6d158ff3 SL |
1933 | { |
1934 | struct wl12xx_cmd_stop_channel_switch *cmd; | |
1935 | int ret; | |
1936 | ||
1937 | wl1271_debug(DEBUG_ACX, "cmd stop channel switch"); | |
1938 | ||
1939 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
1940 | if (!cmd) { | |
1941 | ret = -ENOMEM; | |
1942 | goto out; | |
1943 | } | |
1944 | ||
fcab1890 EP |
1945 | cmd->role_id = wlvif->role_id; |
1946 | ||
6d158ff3 SL |
1947 | ret = wl1271_cmd_send(wl, CMD_STOP_CHANNEL_SWICTH, cmd, sizeof(*cmd), 0); |
1948 | if (ret < 0) { | |
1949 | wl1271_error("failed to stop channel switch command"); | |
1950 | goto out_free; | |
1951 | } | |
1952 | ||
1953 | out_free: | |
1954 | kfree(cmd); | |
1955 | ||
1956 | out: | |
1957 | return ret; | |
1958 | } | |
679a6734 EP |
1959 | |
1960 | /* start dev role and roc on its channel */ | |
dabf37db EP |
1961 | int wl12xx_start_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
1962 | enum ieee80211_band band, int channel) | |
679a6734 EP |
1963 | { |
1964 | int ret; | |
1965 | ||
1966 | if (WARN_ON(!(wlvif->bss_type == BSS_TYPE_STA_BSS || | |
1967 | wlvif->bss_type == BSS_TYPE_IBSS))) | |
1968 | return -EINVAL; | |
1969 | ||
889300fa EP |
1970 | ret = wl12xx_cmd_role_enable(wl, |
1971 | wl12xx_wlvif_to_vif(wlvif)->addr, | |
1972 | WL1271_ROLE_DEVICE, | |
1973 | &wlvif->dev_role_id); | |
679a6734 EP |
1974 | if (ret < 0) |
1975 | goto out; | |
1976 | ||
dabf37db | 1977 | ret = wl12xx_cmd_role_start_dev(wl, wlvif, band, channel); |
889300fa EP |
1978 | if (ret < 0) |
1979 | goto out_disable; | |
1980 | ||
dabf37db | 1981 | ret = wl12xx_roc(wl, wlvif, wlvif->dev_role_id, band, channel); |
679a6734 EP |
1982 | if (ret < 0) |
1983 | goto out_stop; | |
1984 | ||
1985 | return 0; | |
1986 | ||
1987 | out_stop: | |
1988 | wl12xx_cmd_role_stop_dev(wl, wlvif); | |
889300fa EP |
1989 | out_disable: |
1990 | wl12xx_cmd_role_disable(wl, &wlvif->dev_role_id); | |
679a6734 EP |
1991 | out: |
1992 | return ret; | |
1993 | } | |
1994 | ||
1995 | /* croc dev hlid, and stop the role */ | |
1996 | int wl12xx_stop_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif) | |
1997 | { | |
1998 | int ret; | |
1999 | ||
2000 | if (WARN_ON(!(wlvif->bss_type == BSS_TYPE_STA_BSS || | |
2001 | wlvif->bss_type == BSS_TYPE_IBSS))) | |
2002 | return -EINVAL; | |
2003 | ||
8aefffea | 2004 | /* flush all pending packets */ |
eb96f841 IY |
2005 | ret = wlcore_tx_work_locked(wl); |
2006 | if (ret < 0) | |
2007 | goto out; | |
8aefffea | 2008 | |
679a6734 EP |
2009 | if (test_bit(wlvif->dev_role_id, wl->roc_map)) { |
2010 | ret = wl12xx_croc(wl, wlvif->dev_role_id); | |
2011 | if (ret < 0) | |
2012 | goto out; | |
2013 | } | |
2014 | ||
2015 | ret = wl12xx_cmd_role_stop_dev(wl, wlvif); | |
2016 | if (ret < 0) | |
2017 | goto out; | |
889300fa EP |
2018 | |
2019 | ret = wl12xx_cmd_role_disable(wl, &wlvif->dev_role_id); | |
2020 | if (ret < 0) | |
2021 | goto out; | |
2022 | ||
679a6734 EP |
2023 | out: |
2024 | return ret; | |
2025 | } |