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1/*
2 * This file is part of wl1271
3 *
4 * Copyright (C) 2009-2010 Nokia Corporation
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>
26#include <linux/spi/spi.h>
27#include <linux/etherdevice.h>
28#include <linux/ieee80211.h>
29#include <linux/slab.h>
30
31#include "wl12xx.h"
32#include "reg.h"
33#include "io.h"
34#include "acx.h"
35#include "wl12xx_80211.h"
36#include "cmd.h"
37#include "event.h"
38#include "tx.h"
39
40#define WL1271_CMD_FAST_POLL_COUNT 50
41
42/*
43 * send command to firmware
44 *
45 * @wl: wl struct
46 * @id: command id
47 * @buf: buffer containing the command, must work with dma
48 * @len: length of the buffer
49 */
50int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len,
51 size_t res_len)
52{
53 struct wl1271_cmd_header *cmd;
54 unsigned long timeout;
55 u32 intr;
56 int ret = 0;
57 u16 status;
58 u16 poll_count = 0;
59
60 cmd = buf;
61 cmd->id = cpu_to_le16(id);
62 cmd->status = 0;
63
64 WARN_ON(len % 4 != 0);
65 WARN_ON(test_bit(WL1271_FLAG_IN_ELP, &wl->flags));
66
67 wl1271_write(wl, wl->cmd_box_addr, buf, len, false);
68
69 wl1271_write32(wl, ACX_REG_INTERRUPT_TRIG, INTR_TRIG_CMD);
70
71 timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT);
72
73 intr = wl1271_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
74 while (!(intr & WL1271_ACX_INTR_CMD_COMPLETE)) {
75 if (time_after(jiffies, timeout)) {
76 wl1271_error("command complete timeout");
77 ret = -ETIMEDOUT;
78 goto fail;
79 }
80
81 poll_count++;
82 if (poll_count < WL1271_CMD_FAST_POLL_COUNT)
83 udelay(10);
84 else
85 msleep(1);
86
87 intr = wl1271_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
88 }
89
90 /* read back the status code of the command */
91 if (res_len == 0)
92 res_len = sizeof(struct wl1271_cmd_header);
93 wl1271_read(wl, wl->cmd_box_addr, cmd, res_len, false);
94
95 status = le16_to_cpu(cmd->status);
96 if (status != CMD_STATUS_SUCCESS) {
97 wl1271_error("command execute failure %d", status);
98 ret = -EIO;
99 goto fail;
100 }
101
102 wl1271_write32(wl, ACX_REG_INTERRUPT_ACK,
103 WL1271_ACX_INTR_CMD_COMPLETE);
104 return 0;
105
106fail:
107 WARN_ON(1);
108 wl12xx_queue_recovery_work(wl);
109 return ret;
110}
111
112int wl1271_cmd_general_parms(struct wl1271 *wl)
113{
114 struct wl1271_general_parms_cmd *gen_parms;
115 struct wl1271_ini_general_params *gp =
116 &((struct wl1271_nvs_file *)wl->nvs)->general_params;
117 bool answer = false;
118 int ret;
119
120 if (!wl->nvs)
121 return -ENODEV;
122
123 gen_parms = kzalloc(sizeof(*gen_parms), GFP_KERNEL);
124 if (!gen_parms)
125 return -ENOMEM;
126
127 gen_parms->test.id = TEST_CMD_INI_FILE_GENERAL_PARAM;
128
129 memcpy(&gen_parms->general_params, gp, sizeof(*gp));
130
131 if (gp->tx_bip_fem_auto_detect)
132 answer = true;
133
134 /* Override the REF CLK from the NVS with the one from platform data */
135 gen_parms->general_params.ref_clock = wl->ref_clock;
136
137 /* LPD mode enable (bits 6-7) in WL1271 AP mode only */
138 if (wl->quirks & WL12XX_QUIRK_LPD_MODE)
139 gen_parms->general_params.general_settings |=
140 GENERAL_SETTINGS_DRPW_LPD;
141
142 ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), answer);
143 if (ret < 0) {
144 wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed");
145 goto out;
146 }
147
148 gp->tx_bip_fem_manufacturer =
149 gen_parms->general_params.tx_bip_fem_manufacturer;
150
151 wl1271_debug(DEBUG_CMD, "FEM autodetect: %s, manufacturer: %d\n",
152 answer ? "auto" : "manual", gp->tx_bip_fem_manufacturer);
153
154out:
155 kfree(gen_parms);
156 return ret;
157}
158
159int wl128x_cmd_general_parms(struct wl1271 *wl)
160{
161 struct wl128x_general_parms_cmd *gen_parms;
162 struct wl128x_ini_general_params *gp =
163 &((struct wl128x_nvs_file *)wl->nvs)->general_params;
164 bool answer = false;
165 int ret;
166
167 if (!wl->nvs)
168 return -ENODEV;
169
170 gen_parms = kzalloc(sizeof(*gen_parms), GFP_KERNEL);
171 if (!gen_parms)
172 return -ENOMEM;
173
174 gen_parms->test.id = TEST_CMD_INI_FILE_GENERAL_PARAM;
175
176 memcpy(&gen_parms->general_params, gp, sizeof(*gp));
177
178 if (gp->tx_bip_fem_auto_detect)
179 answer = true;
180
181 /* Replace REF and TCXO CLKs with the ones from platform data */
182 gen_parms->general_params.ref_clock = wl->ref_clock;
183 gen_parms->general_params.tcxo_ref_clock = wl->tcxo_clock;
184
185 ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), answer);
186 if (ret < 0) {
187 wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed");
188 goto out;
189 }
190
191 gp->tx_bip_fem_manufacturer =
192 gen_parms->general_params.tx_bip_fem_manufacturer;
193
194 wl1271_debug(DEBUG_CMD, "FEM autodetect: %s, manufacturer: %d\n",
195 answer ? "auto" : "manual", gp->tx_bip_fem_manufacturer);
196
197out:
198 kfree(gen_parms);
199 return ret;
200}
201
202int wl1271_cmd_radio_parms(struct wl1271 *wl)
203{
204 struct wl1271_nvs_file *nvs = (struct wl1271_nvs_file *)wl->nvs;
205 struct wl1271_radio_parms_cmd *radio_parms;
206 struct wl1271_ini_general_params *gp = &nvs->general_params;
207 int ret;
208
209 if (!wl->nvs)
210 return -ENODEV;
211
212 radio_parms = kzalloc(sizeof(*radio_parms), GFP_KERNEL);
213 if (!radio_parms)
214 return -ENOMEM;
215
216 radio_parms->test.id = TEST_CMD_INI_FILE_RADIO_PARAM;
217
218 /* 2.4GHz parameters */
219 memcpy(&radio_parms->static_params_2, &nvs->stat_radio_params_2,
220 sizeof(struct wl1271_ini_band_params_2));
221 memcpy(&radio_parms->dyn_params_2,
222 &nvs->dyn_radio_params_2[gp->tx_bip_fem_manufacturer].params,
223 sizeof(struct wl1271_ini_fem_params_2));
224
225 /* 5GHz parameters */
226 memcpy(&radio_parms->static_params_5,
227 &nvs->stat_radio_params_5,
228 sizeof(struct wl1271_ini_band_params_5));
229 memcpy(&radio_parms->dyn_params_5,
230 &nvs->dyn_radio_params_5[gp->tx_bip_fem_manufacturer].params,
231 sizeof(struct wl1271_ini_fem_params_5));
232
233 wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_RADIO_PARAM: ",
234 radio_parms, sizeof(*radio_parms));
235
236 ret = wl1271_cmd_test(wl, radio_parms, sizeof(*radio_parms), 0);
237 if (ret < 0)
238 wl1271_warning("CMD_INI_FILE_RADIO_PARAM failed");
239
240 kfree(radio_parms);
241 return ret;
242}
243
244int wl128x_cmd_radio_parms(struct wl1271 *wl)
245{
246 struct wl128x_nvs_file *nvs = (struct wl128x_nvs_file *)wl->nvs;
247 struct wl128x_radio_parms_cmd *radio_parms;
248 struct wl128x_ini_general_params *gp = &nvs->general_params;
249 int ret;
250
251 if (!wl->nvs)
252 return -ENODEV;
253
254 radio_parms = kzalloc(sizeof(*radio_parms), GFP_KERNEL);
255 if (!radio_parms)
256 return -ENOMEM;
257
258 radio_parms->test.id = TEST_CMD_INI_FILE_RADIO_PARAM;
259
260 /* 2.4GHz parameters */
261 memcpy(&radio_parms->static_params_2, &nvs->stat_radio_params_2,
262 sizeof(struct wl128x_ini_band_params_2));
263 memcpy(&radio_parms->dyn_params_2,
264 &nvs->dyn_radio_params_2[gp->tx_bip_fem_manufacturer].params,
265 sizeof(struct wl128x_ini_fem_params_2));
266
267 /* 5GHz parameters */
268 memcpy(&radio_parms->static_params_5,
269 &nvs->stat_radio_params_5,
270 sizeof(struct wl128x_ini_band_params_5));
271 memcpy(&radio_parms->dyn_params_5,
272 &nvs->dyn_radio_params_5[gp->tx_bip_fem_manufacturer].params,
273 sizeof(struct wl128x_ini_fem_params_5));
274
275 radio_parms->fem_vendor_and_options = nvs->fem_vendor_and_options;
276
277 wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_RADIO_PARAM: ",
278 radio_parms, sizeof(*radio_parms));
279
280 ret = wl1271_cmd_test(wl, radio_parms, sizeof(*radio_parms), 0);
281 if (ret < 0)
282 wl1271_warning("CMD_INI_FILE_RADIO_PARAM failed");
283
284 kfree(radio_parms);
285 return ret;
286}
287
288int wl1271_cmd_ext_radio_parms(struct wl1271 *wl)
289{
290 struct wl1271_ext_radio_parms_cmd *ext_radio_parms;
291 struct conf_rf_settings *rf = &wl->conf.rf;
292 int ret;
293
294 if (!wl->nvs)
295 return -ENODEV;
296
297 ext_radio_parms = kzalloc(sizeof(*ext_radio_parms), GFP_KERNEL);
298 if (!ext_radio_parms)
299 return -ENOMEM;
300
301 ext_radio_parms->test.id = TEST_CMD_INI_FILE_RF_EXTENDED_PARAM;
302
303 memcpy(ext_radio_parms->tx_per_channel_power_compensation_2,
304 rf->tx_per_channel_power_compensation_2,
305 CONF_TX_PWR_COMPENSATION_LEN_2);
306 memcpy(ext_radio_parms->tx_per_channel_power_compensation_5,
307 rf->tx_per_channel_power_compensation_5,
308 CONF_TX_PWR_COMPENSATION_LEN_5);
309
310 wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_EXT_RADIO_PARAM: ",
311 ext_radio_parms, sizeof(*ext_radio_parms));
312
313 ret = wl1271_cmd_test(wl, ext_radio_parms, sizeof(*ext_radio_parms), 0);
314 if (ret < 0)
315 wl1271_warning("TEST_CMD_INI_FILE_RF_EXTENDED_PARAM failed");
316
317 kfree(ext_radio_parms);
318 return ret;
319}
320
321/*
322 * Poll the mailbox event field until any of the bits in the mask is set or a
323 * timeout occurs (WL1271_EVENT_TIMEOUT in msecs)
324 */
325static int wl1271_cmd_wait_for_event_or_timeout(struct wl1271 *wl, u32 mask)
326{
327 u32 events_vector, event;
328 unsigned long timeout;
329
330 timeout = jiffies + msecs_to_jiffies(WL1271_EVENT_TIMEOUT);
331
332 do {
333 if (time_after(jiffies, timeout)) {
334 wl1271_debug(DEBUG_CMD, "timeout waiting for event %d",
335 (int)mask);
336 return -ETIMEDOUT;
337 }
338
339 msleep(1);
340
341 /* read from both event fields */
342 wl1271_read(wl, wl->mbox_ptr[0], &events_vector,
343 sizeof(events_vector), false);
344 event = events_vector & mask;
345 wl1271_read(wl, wl->mbox_ptr[1], &events_vector,
346 sizeof(events_vector), false);
347 event |= events_vector & mask;
348 } while (!event);
349
350 return 0;
351}
352
353static int wl1271_cmd_wait_for_event(struct wl1271 *wl, u32 mask)
354{
355 int ret;
356
357 ret = wl1271_cmd_wait_for_event_or_timeout(wl, mask);
358 if (ret != 0) {
359 wl12xx_queue_recovery_work(wl);
360 return ret;
361 }
362
363 return 0;
364}
365
366int wl1271_cmd_join(struct wl1271 *wl, u8 bss_type)
367{
368 struct wl1271_cmd_join *join;
369 int ret, i;
370 u8 *bssid;
371
372 join = kzalloc(sizeof(*join), GFP_KERNEL);
373 if (!join) {
374 ret = -ENOMEM;
375 goto out;
376 }
377
378 wl1271_debug(DEBUG_CMD, "cmd join");
379
380 /* Reverse order BSSID */
381 bssid = (u8 *) &join->bssid_lsb;
382 for (i = 0; i < ETH_ALEN; i++)
383 bssid[i] = wl->bssid[ETH_ALEN - i - 1];
384
385 join->rx_config_options = cpu_to_le32(wl->rx_config);
386 join->rx_filter_options = cpu_to_le32(wl->rx_filter);
387 join->bss_type = bss_type;
388 join->basic_rate_set = cpu_to_le32(wl->basic_rate_set);
389 join->supported_rate_set = cpu_to_le32(wl->rate_set);
390
391 if (wl->band == IEEE80211_BAND_5GHZ)
392 join->bss_type |= WL1271_JOIN_CMD_BSS_TYPE_5GHZ;
393
394 join->beacon_interval = cpu_to_le16(wl->beacon_int);
395 join->dtim_interval = WL1271_DEFAULT_DTIM_PERIOD;
396
397 join->channel = wl->channel;
398 join->ssid_len = wl->ssid_len;
399 memcpy(join->ssid, wl->ssid, wl->ssid_len);
400
401 join->ctrl |= wl->session_counter << WL1271_JOIN_CMD_TX_SESSION_OFFSET;
402
403 wl1271_debug(DEBUG_CMD, "cmd join: basic_rate_set=0x%x, rate_set=0x%x",
404 join->basic_rate_set, join->supported_rate_set);
405
406 ret = wl1271_cmd_send(wl, CMD_START_JOIN, join, sizeof(*join), 0);
407 if (ret < 0) {
408 wl1271_error("failed to initiate cmd join");
409 goto out_free;
410 }
411
412 ret = wl1271_cmd_wait_for_event(wl, JOIN_EVENT_COMPLETE_ID);
413 if (ret < 0)
414 wl1271_error("cmd join event completion error");
415
416out_free:
417 kfree(join);
418
419out:
420 return ret;
421}
422
423/**
424 * send test command to firmware
425 *
426 * @wl: wl struct
427 * @buf: buffer containing the command, with all headers, must work with dma
428 * @len: length of the buffer
429 * @answer: is answer needed
430 */
431int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer)
432{
433 int ret;
434 size_t res_len = 0;
435
436 wl1271_debug(DEBUG_CMD, "cmd test");
437
438 if (answer)
439 res_len = buf_len;
440
441 ret = wl1271_cmd_send(wl, CMD_TEST, buf, buf_len, res_len);
442
443 if (ret < 0) {
444 wl1271_warning("TEST command failed");
445 return ret;
446 }
447
448 return ret;
449}
450
451/**
452 * read acx from firmware
453 *
454 * @wl: wl struct
455 * @id: acx id
456 * @buf: buffer for the response, including all headers, must work with dma
457 * @len: length of buf
458 */
459int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len)
460{
461 struct acx_header *acx = buf;
462 int ret;
463
464 wl1271_debug(DEBUG_CMD, "cmd interrogate");
465
466 acx->id = cpu_to_le16(id);
467
468 /* payload length, does not include any headers */
469 acx->len = cpu_to_le16(len - sizeof(*acx));
470
471 ret = wl1271_cmd_send(wl, CMD_INTERROGATE, acx, sizeof(*acx), len);
472 if (ret < 0)
473 wl1271_error("INTERROGATE command failed");
474
475 return ret;
476}
477
478/**
479 * write acx value to firmware
480 *
481 * @wl: wl struct
482 * @id: acx id
483 * @buf: buffer containing acx, including all headers, must work with dma
484 * @len: length of buf
485 */
486int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len)
487{
488 struct acx_header *acx = buf;
489 int ret;
490
491 wl1271_debug(DEBUG_CMD, "cmd configure");
492
493 acx->id = cpu_to_le16(id);
494
495 /* payload length, does not include any headers */
496 acx->len = cpu_to_le16(len - sizeof(*acx));
497
498 ret = wl1271_cmd_send(wl, CMD_CONFIGURE, acx, len, 0);
499 if (ret < 0) {
500 wl1271_warning("CONFIGURE command NOK");
501 return ret;
502 }
503
504 return 0;
505}
506
507int wl1271_cmd_data_path(struct wl1271 *wl, bool enable)
508{
509 struct cmd_enabledisable_path *cmd;
510 int ret;
511 u16 cmd_rx, cmd_tx;
512
513 wl1271_debug(DEBUG_CMD, "cmd data path");
514
515 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
516 if (!cmd) {
517 ret = -ENOMEM;
518 goto out;
519 }
520
521 /* the channel here is only used for calibration, so hardcoded to 1 */
522 cmd->channel = 1;
523
524 if (enable) {
525 cmd_rx = CMD_ENABLE_RX;
526 cmd_tx = CMD_ENABLE_TX;
527 } else {
528 cmd_rx = CMD_DISABLE_RX;
529 cmd_tx = CMD_DISABLE_TX;
530 }
531
532 ret = wl1271_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd), 0);
533 if (ret < 0) {
534 wl1271_error("rx %s cmd for channel %d failed",
535 enable ? "start" : "stop", cmd->channel);
536 goto out;
537 }
538
539 wl1271_debug(DEBUG_BOOT, "rx %s cmd channel %d",
540 enable ? "start" : "stop", cmd->channel);
541
542 ret = wl1271_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd), 0);
543 if (ret < 0) {
544 wl1271_error("tx %s cmd for channel %d failed",
545 enable ? "start" : "stop", cmd->channel);
546 goto out;
547 }
548
549 wl1271_debug(DEBUG_BOOT, "tx %s cmd channel %d",
550 enable ? "start" : "stop", cmd->channel);
551
552out:
553 kfree(cmd);
554 return ret;
555}
556
557int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode)
558{
559 struct wl1271_cmd_ps_params *ps_params = NULL;
560 int ret = 0;
561
562 wl1271_debug(DEBUG_CMD, "cmd set ps mode");
563
564 ps_params = kzalloc(sizeof(*ps_params), GFP_KERNEL);
565 if (!ps_params) {
566 ret = -ENOMEM;
567 goto out;
568 }
569
570 ps_params->ps_mode = ps_mode;
571
572 ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params,
573 sizeof(*ps_params), 0);
574 if (ret < 0) {
575 wl1271_error("cmd set_ps_mode failed");
576 goto out;
577 }
578
579out:
580 kfree(ps_params);
581 return ret;
582}
583
584int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id,
585 void *buf, size_t buf_len, int index, u32 rates)
586{
587 struct wl1271_cmd_template_set *cmd;
588 int ret = 0;
589
590 wl1271_debug(DEBUG_CMD, "cmd template_set %d", template_id);
591
592 WARN_ON(buf_len > WL1271_CMD_TEMPL_MAX_SIZE);
593 buf_len = min_t(size_t, buf_len, WL1271_CMD_TEMPL_MAX_SIZE);
594
595 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
596 if (!cmd) {
597 ret = -ENOMEM;
598 goto out;
599 }
600
601 cmd->len = cpu_to_le16(buf_len);
602 cmd->template_type = template_id;
603 cmd->enabled_rates = cpu_to_le32(rates);
604 cmd->short_retry_limit = wl->conf.tx.tmpl_short_retry_limit;
605 cmd->long_retry_limit = wl->conf.tx.tmpl_long_retry_limit;
606 cmd->index = index;
607
608 if (buf)
609 memcpy(cmd->template_data, buf, buf_len);
610
611 ret = wl1271_cmd_send(wl, CMD_SET_TEMPLATE, cmd, sizeof(*cmd), 0);
612 if (ret < 0) {
613 wl1271_warning("cmd set_template failed: %d", ret);
614 goto out_free;
615 }
616
617out_free:
618 kfree(cmd);
619
620out:
621 return ret;
622}
623
624int wl1271_cmd_build_null_data(struct wl1271 *wl)
625{
626 struct sk_buff *skb = NULL;
627 int size;
628 void *ptr;
629 int ret = -ENOMEM;
630
631
632 if (wl->bss_type == BSS_TYPE_IBSS) {
633 size = sizeof(struct wl12xx_null_data_template);
634 ptr = NULL;
635 } else {
636 skb = ieee80211_nullfunc_get(wl->hw, wl->vif);
637 if (!skb)
638 goto out;
639 size = skb->len;
640 ptr = skb->data;
641 }
642
643 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, ptr, size, 0,
644 wl->basic_rate);
645
646out:
647 dev_kfree_skb(skb);
648 if (ret)
649 wl1271_warning("cmd buld null data failed %d", ret);
650
651 return ret;
652
653}
654
655int wl1271_cmd_build_klv_null_data(struct wl1271 *wl)
656{
657 struct sk_buff *skb = NULL;
658 int ret = -ENOMEM;
659
660 skb = ieee80211_nullfunc_get(wl->hw, wl->vif);
661 if (!skb)
662 goto out;
663
664 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_KLV,
665 skb->data, skb->len,
666 CMD_TEMPL_KLV_IDX_NULL_DATA,
667 wl->basic_rate);
668
669out:
670 dev_kfree_skb(skb);
671 if (ret)
672 wl1271_warning("cmd build klv null data failed %d", ret);
673
674 return ret;
675
676}
677
678int wl1271_cmd_build_ps_poll(struct wl1271 *wl, u16 aid)
679{
680 struct sk_buff *skb;
681 int ret = 0;
682
683 skb = ieee80211_pspoll_get(wl->hw, wl->vif);
684 if (!skb)
685 goto out;
686
687 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, skb->data,
688 skb->len, 0, wl->basic_rate_set);
689
690out:
691 dev_kfree_skb(skb);
692 return ret;
693}
694
695int wl1271_cmd_build_probe_req(struct wl1271 *wl,
696 const u8 *ssid, size_t ssid_len,
697 const u8 *ie, size_t ie_len, u8 band)
698{
699 struct sk_buff *skb;
700 int ret;
701
702 skb = ieee80211_probereq_get(wl->hw, wl->vif, ssid, ssid_len,
703 ie, ie_len);
704 if (!skb) {
705 ret = -ENOMEM;
706 goto out;
707 }
708
709 wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", skb->data, skb->len);
710
711 if (band == IEEE80211_BAND_2GHZ)
712 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
713 skb->data, skb->len, 0,
714 wl->conf.tx.basic_rate);
715 else
716 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
717 skb->data, skb->len, 0,
718 wl->conf.tx.basic_rate_5);
719
720out:
721 dev_kfree_skb(skb);
722 return ret;
723}
724
725struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl,
726 struct sk_buff *skb)
727{
728 int ret;
729
730 if (!skb)
731 skb = ieee80211_ap_probereq_get(wl->hw, wl->vif);
732 if (!skb)
733 goto out;
734
735 wl1271_dump(DEBUG_SCAN, "AP PROBE REQ: ", skb->data, skb->len);
736
737 if (wl->band == IEEE80211_BAND_2GHZ)
738 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
739 skb->data, skb->len, 0,
740 wl->conf.tx.basic_rate);
741 else
742 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
743 skb->data, skb->len, 0,
744 wl->conf.tx.basic_rate_5);
745
746 if (ret < 0)
747 wl1271_error("Unable to set ap probe request template.");
748
749out:
750 return skb;
751}
752
753int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, __be32 ip_addr)
754{
755 int ret;
756 struct wl12xx_arp_rsp_template tmpl;
757 struct ieee80211_hdr_3addr *hdr;
758 struct arphdr *arp_hdr;
759
760 memset(&tmpl, 0, sizeof(tmpl));
761
762 /* mac80211 header */
763 hdr = &tmpl.hdr;
764 hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
765 IEEE80211_STYPE_DATA |
766 IEEE80211_FCTL_TODS);
767 memcpy(hdr->addr1, wl->vif->bss_conf.bssid, ETH_ALEN);
768 memcpy(hdr->addr2, wl->vif->addr, ETH_ALEN);
769 memset(hdr->addr3, 0xff, ETH_ALEN);
770
771 /* llc layer */
772 memcpy(tmpl.llc_hdr, rfc1042_header, sizeof(rfc1042_header));
773 tmpl.llc_type = cpu_to_be16(ETH_P_ARP);
774
775 /* arp header */
776 arp_hdr = &tmpl.arp_hdr;
777 arp_hdr->ar_hrd = cpu_to_be16(ARPHRD_ETHER);
778 arp_hdr->ar_pro = cpu_to_be16(ETH_P_IP);
779 arp_hdr->ar_hln = ETH_ALEN;
780 arp_hdr->ar_pln = 4;
781 arp_hdr->ar_op = cpu_to_be16(ARPOP_REPLY);
782
783 /* arp payload */
784 memcpy(tmpl.sender_hw, wl->vif->addr, ETH_ALEN);
785 tmpl.sender_ip = ip_addr;
786
787 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_ARP_RSP,
788 &tmpl, sizeof(tmpl), 0,
789 wl->basic_rate);
790
791 return ret;
792}
793
794int wl1271_build_qos_null_data(struct wl1271 *wl)
795{
796 struct ieee80211_qos_hdr template;
797
798 memset(&template, 0, sizeof(template));
799
800 memcpy(template.addr1, wl->bssid, ETH_ALEN);
801 memcpy(template.addr2, wl->mac_addr, ETH_ALEN);
802 memcpy(template.addr3, wl->bssid, ETH_ALEN);
803
804 template.frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
805 IEEE80211_STYPE_QOS_NULLFUNC |
806 IEEE80211_FCTL_TODS);
807
808 /* FIXME: not sure what priority to use here */
809 template.qos_ctrl = cpu_to_le16(0);
810
811 return wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, &template,
812 sizeof(template), 0,
813 wl->basic_rate);
814}
815
816int wl1271_cmd_set_sta_default_wep_key(struct wl1271 *wl, u8 id)
817{
818 struct wl1271_cmd_set_sta_keys *cmd;
819 int ret = 0;
820
821 wl1271_debug(DEBUG_CMD, "cmd set_default_wep_key %d", id);
822
823 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
824 if (!cmd) {
825 ret = -ENOMEM;
826 goto out;
827 }
828
829 cmd->id = id;
830 cmd->key_action = cpu_to_le16(KEY_SET_ID);
831 cmd->key_type = KEY_WEP;
832
833 ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0);
834 if (ret < 0) {
835 wl1271_warning("cmd set_default_wep_key failed: %d", ret);
836 goto out;
837 }
838
839out:
840 kfree(cmd);
841
842 return ret;
843}
844
845int wl1271_cmd_set_ap_default_wep_key(struct wl1271 *wl, u8 id)
846{
847 struct wl1271_cmd_set_ap_keys *cmd;
848 int ret = 0;
849
850 wl1271_debug(DEBUG_CMD, "cmd set_ap_default_wep_key %d", id);
851
852 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
853 if (!cmd) {
854 ret = -ENOMEM;
855 goto out;
856 }
857
858 cmd->hlid = WL1271_AP_BROADCAST_HLID;
859 cmd->key_id = id;
860 cmd->lid_key_type = WEP_DEFAULT_LID_TYPE;
861 cmd->key_action = cpu_to_le16(KEY_SET_ID);
862 cmd->key_type = KEY_WEP;
863
864 ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0);
865 if (ret < 0) {
866 wl1271_warning("cmd set_ap_default_wep_key failed: %d", ret);
867 goto out;
868 }
869
870out:
871 kfree(cmd);
872
873 return ret;
874}
875
876int wl1271_cmd_set_sta_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
877 u8 key_size, const u8 *key, const u8 *addr,
878 u32 tx_seq_32, u16 tx_seq_16)
879{
880 struct wl1271_cmd_set_sta_keys *cmd;
881 int ret = 0;
882
883 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
884 if (!cmd) {
885 ret = -ENOMEM;
886 goto out;
887 }
888
889 if (key_type != KEY_WEP)
890 memcpy(cmd->addr, addr, ETH_ALEN);
891
892 cmd->key_action = cpu_to_le16(action);
893 cmd->key_size = key_size;
894 cmd->key_type = key_type;
895
896 cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16);
897 cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32);
898
899 /* we have only one SSID profile */
900 cmd->ssid_profile = 0;
901
902 cmd->id = id;
903
904 if (key_type == KEY_TKIP) {
905 /*
906 * We get the key in the following form:
907 * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes)
908 * but the target is expecting:
909 * TKIP - RX MIC - TX MIC
910 */
911 memcpy(cmd->key, key, 16);
912 memcpy(cmd->key + 16, key + 24, 8);
913 memcpy(cmd->key + 24, key + 16, 8);
914
915 } else {
916 memcpy(cmd->key, key, key_size);
917 }
918
919 wl1271_dump(DEBUG_CRYPT, "TARGET KEY: ", cmd, sizeof(*cmd));
920
921 ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0);
922 if (ret < 0) {
923 wl1271_warning("could not set keys");
924 goto out;
925 }
926
927out:
928 kfree(cmd);
929
930 return ret;
931}
932
933int wl1271_cmd_set_ap_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
934 u8 key_size, const u8 *key, u8 hlid, u32 tx_seq_32,
935 u16 tx_seq_16)
936{
937 struct wl1271_cmd_set_ap_keys *cmd;
938 int ret = 0;
939 u8 lid_type;
940
941 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
942 if (!cmd)
943 return -ENOMEM;
944
945 if (hlid == WL1271_AP_BROADCAST_HLID) {
946 if (key_type == KEY_WEP)
947 lid_type = WEP_DEFAULT_LID_TYPE;
948 else
949 lid_type = BROADCAST_LID_TYPE;
950 } else {
951 lid_type = UNICAST_LID_TYPE;
952 }
953
954 wl1271_debug(DEBUG_CRYPT, "ap key action: %d id: %d lid: %d type: %d"
955 " hlid: %d", (int)action, (int)id, (int)lid_type,
956 (int)key_type, (int)hlid);
957
958 cmd->lid_key_type = lid_type;
959 cmd->hlid = hlid;
960 cmd->key_action = cpu_to_le16(action);
961 cmd->key_size = key_size;
962 cmd->key_type = key_type;
963 cmd->key_id = id;
964 cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16);
965 cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32);
966
967 if (key_type == KEY_TKIP) {
968 /*
969 * We get the key in the following form:
970 * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes)
971 * but the target is expecting:
972 * TKIP - RX MIC - TX MIC
973 */
974 memcpy(cmd->key, key, 16);
975 memcpy(cmd->key + 16, key + 24, 8);
976 memcpy(cmd->key + 24, key + 16, 8);
977 } else {
978 memcpy(cmd->key, key, key_size);
979 }
980
981 wl1271_dump(DEBUG_CRYPT, "TARGET AP KEY: ", cmd, sizeof(*cmd));
982
983 ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0);
984 if (ret < 0) {
985 wl1271_warning("could not set ap keys");
986 goto out;
987 }
988
989out:
990 kfree(cmd);
991 return ret;
992}
993
994int wl1271_cmd_disconnect(struct wl1271 *wl)
995{
996 struct wl1271_cmd_disconnect *cmd;
997 int ret = 0;
998
999 wl1271_debug(DEBUG_CMD, "cmd disconnect");
1000
1001 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1002 if (!cmd) {
1003 ret = -ENOMEM;
1004 goto out;
1005 }
1006
1007 cmd->rx_config_options = cpu_to_le32(wl->rx_config);
1008 cmd->rx_filter_options = cpu_to_le32(wl->rx_filter);
1009 /* disconnect reason is not used in immediate disconnections */
1010 cmd->type = DISCONNECT_IMMEDIATE;
1011
1012 ret = wl1271_cmd_send(wl, CMD_DISCONNECT, cmd, sizeof(*cmd), 0);
1013 if (ret < 0) {
1014 wl1271_error("failed to send disconnect command");
1015 goto out_free;
1016 }
1017
1018 ret = wl1271_cmd_wait_for_event(wl, DISCONNECT_EVENT_COMPLETE_ID);
1019 if (ret < 0)
1020 wl1271_error("cmd disconnect event completion error");
1021
1022out_free:
1023 kfree(cmd);
1024
1025out:
1026 return ret;
1027}
1028
1029int wl1271_cmd_set_sta_state(struct wl1271 *wl)
1030{
1031 struct wl1271_cmd_set_sta_state *cmd;
1032 int ret = 0;
1033
1034 wl1271_debug(DEBUG_CMD, "cmd set sta state");
1035
1036 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1037 if (!cmd) {
1038 ret = -ENOMEM;
1039 goto out;
1040 }
1041
1042 cmd->state = WL1271_CMD_STA_STATE_CONNECTED;
1043
1044 ret = wl1271_cmd_send(wl, CMD_SET_STA_STATE, cmd, sizeof(*cmd), 0);
1045 if (ret < 0) {
1046 wl1271_error("failed to send set STA state command");
1047 goto out_free;
1048 }
1049
1050out_free:
1051 kfree(cmd);
1052
1053out:
1054 return ret;
1055}
1056
1057int wl1271_cmd_start_bss(struct wl1271 *wl)
1058{
1059 struct wl1271_cmd_bss_start *cmd;
1060 struct ieee80211_bss_conf *bss_conf = &wl->vif->bss_conf;
1061 int ret;
1062
1063 wl1271_debug(DEBUG_CMD, "cmd start bss");
1064
1065 /*
1066 * FIXME: We currently do not support hidden SSID. The real SSID
1067 * should be fetched from mac80211 first.
1068 */
1069 if (wl->ssid_len == 0) {
1070 wl1271_warning("Hidden SSID currently not supported for AP");
1071 ret = -EINVAL;
1072 goto out;
1073 }
1074
1075 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1076 if (!cmd) {
1077 ret = -ENOMEM;
1078 goto out;
1079 }
1080
1081 memcpy(cmd->bssid, bss_conf->bssid, ETH_ALEN);
1082
1083 cmd->aging_period = cpu_to_le16(wl->conf.tx.ap_aging_period);
1084 cmd->bss_index = WL1271_AP_BSS_INDEX;
1085 cmd->global_hlid = WL1271_AP_GLOBAL_HLID;
1086 cmd->broadcast_hlid = WL1271_AP_BROADCAST_HLID;
1087 cmd->basic_rate_set = cpu_to_le32(wl->basic_rate_set);
1088 cmd->beacon_interval = cpu_to_le16(wl->beacon_int);
1089 cmd->dtim_interval = bss_conf->dtim_period;
1090 cmd->beacon_expiry = WL1271_AP_DEF_BEACON_EXP;
1091 cmd->channel = wl->channel;
1092 cmd->ssid_len = wl->ssid_len;
1093 cmd->ssid_type = SSID_TYPE_PUBLIC;
1094 memcpy(cmd->ssid, wl->ssid, wl->ssid_len);
1095
1096 switch (wl->band) {
1097 case IEEE80211_BAND_2GHZ:
1098 cmd->band = RADIO_BAND_2_4GHZ;
1099 break;
1100 case IEEE80211_BAND_5GHZ:
1101 cmd->band = RADIO_BAND_5GHZ;
1102 break;
1103 default:
1104 wl1271_warning("bss start - unknown band: %d", (int)wl->band);
1105 cmd->band = RADIO_BAND_2_4GHZ;
1106 break;
1107 }
1108
1109 ret = wl1271_cmd_send(wl, CMD_BSS_START, cmd, sizeof(*cmd), 0);
1110 if (ret < 0) {
1111 wl1271_error("failed to initiate cmd start bss");
1112 goto out_free;
1113 }
1114
1115out_free:
1116 kfree(cmd);
1117
1118out:
1119 return ret;
1120}
1121
1122int wl1271_cmd_stop_bss(struct wl1271 *wl)
1123{
1124 struct wl1271_cmd_bss_start *cmd;
1125 int ret;
1126
1127 wl1271_debug(DEBUG_CMD, "cmd stop bss");
1128
1129 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1130 if (!cmd) {
1131 ret = -ENOMEM;
1132 goto out;
1133 }
1134
1135 cmd->bss_index = WL1271_AP_BSS_INDEX;
1136
1137 ret = wl1271_cmd_send(wl, CMD_BSS_STOP, cmd, sizeof(*cmd), 0);
1138 if (ret < 0) {
1139 wl1271_error("failed to initiate cmd stop bss");
1140 goto out_free;
1141 }
1142
1143out_free:
1144 kfree(cmd);
1145
1146out:
1147 return ret;
1148}
1149
1150int wl1271_cmd_add_sta(struct wl1271 *wl, struct ieee80211_sta *sta, u8 hlid)
1151{
1152 struct wl1271_cmd_add_sta *cmd;
1153 int ret;
1154
1155 wl1271_debug(DEBUG_CMD, "cmd add sta %d", (int)hlid);
1156
1157 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1158 if (!cmd) {
1159 ret = -ENOMEM;
1160 goto out;
1161 }
1162
1163 /* currently we don't support UAPSD */
1164 cmd->sp_len = 0;
1165
1166 memcpy(cmd->addr, sta->addr, ETH_ALEN);
1167 cmd->bss_index = WL1271_AP_BSS_INDEX;
1168 cmd->aid = sta->aid;
1169 cmd->hlid = hlid;
1170 cmd->wmm = sta->wme ? 1 : 0;
1171
1172 cmd->supported_rates = cpu_to_le32(wl1271_tx_enabled_rates_get(wl,
1173 sta->supp_rates[wl->band]));
1174
1175 wl1271_debug(DEBUG_CMD, "new sta rates: 0x%x", cmd->supported_rates);
1176
1177 ret = wl1271_cmd_send(wl, CMD_ADD_STA, cmd, sizeof(*cmd), 0);
1178 if (ret < 0) {
1179 wl1271_error("failed to initiate cmd add sta");
1180 goto out_free;
1181 }
1182
1183out_free:
1184 kfree(cmd);
1185
1186out:
1187 return ret;
1188}
1189
1190int wl1271_cmd_remove_sta(struct wl1271 *wl, u8 hlid)
1191{
1192 struct wl1271_cmd_remove_sta *cmd;
1193 int ret;
1194
1195 wl1271_debug(DEBUG_CMD, "cmd remove sta %d", (int)hlid);
1196
1197 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1198 if (!cmd) {
1199 ret = -ENOMEM;
1200 goto out;
1201 }
1202
1203 cmd->hlid = hlid;
1204 /* We never send a deauth, mac80211 is in charge of this */
1205 cmd->reason_opcode = 0;
1206 cmd->send_deauth_flag = 0;
1207
1208 ret = wl1271_cmd_send(wl, CMD_REMOVE_STA, cmd, sizeof(*cmd), 0);
1209 if (ret < 0) {
1210 wl1271_error("failed to initiate cmd remove sta");
1211 goto out_free;
1212 }
1213
1214 /*
1215 * We are ok with a timeout here. The event is sometimes not sent
1216 * due to a firmware bug.
1217 */
1218 wl1271_cmd_wait_for_event_or_timeout(wl, STA_REMOVE_COMPLETE_EVENT_ID);
1219
1220out_free:
1221 kfree(cmd);
1222
1223out:
1224 return ret;
1225}
1226
1227int wl12xx_cmd_config_fwlog(struct wl1271 *wl)
1228{
1229 struct wl12xx_cmd_config_fwlog *cmd;
1230 int ret = 0;
1231
1232 wl1271_debug(DEBUG_CMD, "cmd config firmware logger");
1233
1234 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1235 if (!cmd) {
1236 ret = -ENOMEM;
1237 goto out;
1238 }
1239
1240 cmd->logger_mode = wl->conf.fwlog.mode;
1241 cmd->log_severity = wl->conf.fwlog.severity;
1242 cmd->timestamp = wl->conf.fwlog.timestamp;
1243 cmd->output = wl->conf.fwlog.output;
1244 cmd->threshold = wl->conf.fwlog.threshold;
1245
1246 ret = wl1271_cmd_send(wl, CMD_CONFIG_FWLOGGER, cmd, sizeof(*cmd), 0);
1247 if (ret < 0) {
1248 wl1271_error("failed to send config firmware logger command");
1249 goto out_free;
1250 }
1251
1252out_free:
1253 kfree(cmd);
1254
1255out:
1256 return ret;
1257}
1258
1259int wl12xx_cmd_start_fwlog(struct wl1271 *wl)
1260{
1261 struct wl12xx_cmd_start_fwlog *cmd;
1262 int ret = 0;
1263
1264 wl1271_debug(DEBUG_CMD, "cmd start firmware logger");
1265
1266 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1267 if (!cmd) {
1268 ret = -ENOMEM;
1269 goto out;
1270 }
1271
1272 ret = wl1271_cmd_send(wl, CMD_START_FWLOGGER, cmd, sizeof(*cmd), 0);
1273 if (ret < 0) {
1274 wl1271_error("failed to send start firmware logger command");
1275 goto out_free;
1276 }
1277
1278out_free:
1279 kfree(cmd);
1280
1281out:
1282 return ret;
1283}
1284
1285int wl12xx_cmd_stop_fwlog(struct wl1271 *wl)
1286{
1287 struct wl12xx_cmd_stop_fwlog *cmd;
1288 int ret = 0;
1289
1290 wl1271_debug(DEBUG_CMD, "cmd stop firmware logger");
1291
1292 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1293 if (!cmd) {
1294 ret = -ENOMEM;
1295 goto out;
1296 }
1297
1298 ret = wl1271_cmd_send(wl, CMD_STOP_FWLOGGER, cmd, sizeof(*cmd), 0);
1299 if (ret < 0) {
1300 wl1271_error("failed to send stop firmware logger command");
1301 goto out_free;
1302 }
1303
1304out_free:
1305 kfree(cmd);
1306
1307out:
1308 return ret;
1309}