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Linux 4.4.145
[linux/fpc-iii.git] / drivers / net / wireless / ath / wcn36xx / smd.c
blobc9263e1c75d4184a54c308c8001120ddfa76d59c
1 /*
2 * Copyright (c) 2013 Eugene Krasnikov <k.eugene.e@gmail.com>
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
18
19 #include <linux/etherdevice.h>
20 #include <linux/firmware.h>
21 #include <linux/bitops.h>
22 #include "smd.h"
23
24 struct wcn36xx_cfg_val {
25 u32 cfg_id;
26 u32 value;
27 };
28
29 #define WCN36XX_CFG_VAL(id, val) \
30 { \
31 .cfg_id = WCN36XX_HAL_CFG_ ## id, \
32 .value = val \
33 }
34
35 static struct wcn36xx_cfg_val wcn36xx_cfg_vals[] = {
36 WCN36XX_CFG_VAL(CURRENT_TX_ANTENNA, 1),
37 WCN36XX_CFG_VAL(CURRENT_RX_ANTENNA, 1),
38 WCN36XX_CFG_VAL(LOW_GAIN_OVERRIDE, 0),
39 WCN36XX_CFG_VAL(POWER_STATE_PER_CHAIN, 785),
40 WCN36XX_CFG_VAL(CAL_PERIOD, 5),
41 WCN36XX_CFG_VAL(CAL_CONTROL, 1),
42 WCN36XX_CFG_VAL(PROXIMITY, 0),
43 WCN36XX_CFG_VAL(NETWORK_DENSITY, 3),
44 WCN36XX_CFG_VAL(MAX_MEDIUM_TIME, 6000),
45 WCN36XX_CFG_VAL(MAX_MPDUS_IN_AMPDU, 64),
46 WCN36XX_CFG_VAL(RTS_THRESHOLD, 2347),
47 WCN36XX_CFG_VAL(SHORT_RETRY_LIMIT, 6),
48 WCN36XX_CFG_VAL(LONG_RETRY_LIMIT, 6),
49 WCN36XX_CFG_VAL(FRAGMENTATION_THRESHOLD, 8000),
50 WCN36XX_CFG_VAL(DYNAMIC_THRESHOLD_ZERO, 5),
51 WCN36XX_CFG_VAL(DYNAMIC_THRESHOLD_ONE, 10),
52 WCN36XX_CFG_VAL(DYNAMIC_THRESHOLD_TWO, 15),
53 WCN36XX_CFG_VAL(FIXED_RATE, 0),
54 WCN36XX_CFG_VAL(RETRYRATE_POLICY, 4),
55 WCN36XX_CFG_VAL(RETRYRATE_SECONDARY, 0),
56 WCN36XX_CFG_VAL(RETRYRATE_TERTIARY, 0),
57 WCN36XX_CFG_VAL(FORCE_POLICY_PROTECTION, 5),
58 WCN36XX_CFG_VAL(FIXED_RATE_MULTICAST_24GHZ, 1),
59 WCN36XX_CFG_VAL(FIXED_RATE_MULTICAST_5GHZ, 5),
60 WCN36XX_CFG_VAL(DEFAULT_RATE_INDEX_5GHZ, 5),
61 WCN36XX_CFG_VAL(MAX_BA_SESSIONS, 40),
62 WCN36XX_CFG_VAL(PS_DATA_INACTIVITY_TIMEOUT, 200),
63 WCN36XX_CFG_VAL(PS_ENABLE_BCN_FILTER, 1),
64 WCN36XX_CFG_VAL(PS_ENABLE_RSSI_MONITOR, 1),
65 WCN36XX_CFG_VAL(NUM_BEACON_PER_RSSI_AVERAGE, 20),
66 WCN36XX_CFG_VAL(STATS_PERIOD, 10),
67 WCN36XX_CFG_VAL(CFP_MAX_DURATION, 30000),
68 WCN36XX_CFG_VAL(FRAME_TRANS_ENABLED, 0),
69 WCN36XX_CFG_VAL(BA_THRESHOLD_HIGH, 128),
70 WCN36XX_CFG_VAL(MAX_BA_BUFFERS, 2560),
71 WCN36XX_CFG_VAL(DYNAMIC_PS_POLL_VALUE, 0),
72 WCN36XX_CFG_VAL(TX_PWR_CTRL_ENABLE, 1),
73 WCN36XX_CFG_VAL(ENABLE_CLOSE_LOOP, 1),
74 WCN36XX_CFG_VAL(ENABLE_LPWR_IMG_TRANSITION, 0),
75 WCN36XX_CFG_VAL(MAX_ASSOC_LIMIT, 10),
76 WCN36XX_CFG_VAL(ENABLE_MCC_ADAPTIVE_SCHEDULER, 0),
77 };
78
79 static int put_cfg_tlv_u32(struct wcn36xx *wcn, size_t *len, u32 id, u32 value)
80 {
81 struct wcn36xx_hal_cfg *entry;
82 u32 *val;
83
84 if (*len + sizeof(*entry) + sizeof(u32) >= WCN36XX_HAL_BUF_SIZE) {
85 wcn36xx_err("Not enough room for TLV entry\n");
86 return -ENOMEM;
87 }
88
89 entry = (struct wcn36xx_hal_cfg *) (wcn->hal_buf + *len);
90 entry->id = id;
91 entry->len = sizeof(u32);
92 entry->pad_bytes = 0;
93 entry->reserve = 0;
94
95 val = (u32 *) (entry + 1);
96 *val = value;
97
98 *len += sizeof(*entry) + sizeof(u32);
99
100 return 0;
101 }
102
103 static void wcn36xx_smd_set_bss_nw_type(struct wcn36xx *wcn,
104 struct ieee80211_sta *sta,
105 struct wcn36xx_hal_config_bss_params *bss_params)
106 {
107 if (IEEE80211_BAND_5GHZ == WCN36XX_BAND(wcn))
108 bss_params->nw_type = WCN36XX_HAL_11A_NW_TYPE;
109 else if (sta && sta->ht_cap.ht_supported)
110 bss_params->nw_type = WCN36XX_HAL_11N_NW_TYPE;
111 else if (sta && (sta->supp_rates[IEEE80211_BAND_2GHZ] & 0x7f))
112 bss_params->nw_type = WCN36XX_HAL_11G_NW_TYPE;
113 else
114 bss_params->nw_type = WCN36XX_HAL_11B_NW_TYPE;
115 }
116
117 static inline u8 is_cap_supported(unsigned long caps, unsigned long flag)
118 {
119 return caps & flag ? 1 : 0;
120 }
121 static void wcn36xx_smd_set_bss_ht_params(struct ieee80211_vif *vif,
122 struct ieee80211_sta *sta,
123 struct wcn36xx_hal_config_bss_params *bss_params)
124 {
125 if (sta && sta->ht_cap.ht_supported) {
126 unsigned long caps = sta->ht_cap.cap;
127 bss_params->ht = sta->ht_cap.ht_supported;
128 bss_params->tx_channel_width_set = is_cap_supported(caps,
129 IEEE80211_HT_CAP_SUP_WIDTH_20_40);
130 bss_params->lsig_tx_op_protection_full_support =
131 is_cap_supported(caps,
132 IEEE80211_HT_CAP_LSIG_TXOP_PROT);
133
134 bss_params->ht_oper_mode = vif->bss_conf.ht_operation_mode;
135 bss_params->lln_non_gf_coexist =
136 !!(vif->bss_conf.ht_operation_mode &
137 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
138 /* IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT */
139 bss_params->dual_cts_protection = 0;
140 /* IEEE80211_HT_OP_MODE_PROTECTION_20MHZ */
141 bss_params->ht20_coexist = 0;
142 }
143 }
144
145 static void wcn36xx_smd_set_sta_ht_params(struct ieee80211_sta *sta,
146 struct wcn36xx_hal_config_sta_params *sta_params)
147 {
148 if (sta->ht_cap.ht_supported) {
149 unsigned long caps = sta->ht_cap.cap;
150 sta_params->ht_capable = sta->ht_cap.ht_supported;
151 sta_params->tx_channel_width_set = is_cap_supported(caps,
152 IEEE80211_HT_CAP_SUP_WIDTH_20_40);
153 sta_params->lsig_txop_protection = is_cap_supported(caps,
154 IEEE80211_HT_CAP_LSIG_TXOP_PROT);
155
156 sta_params->max_ampdu_size = sta->ht_cap.ampdu_factor;
157 sta_params->max_ampdu_density = sta->ht_cap.ampdu_density;
158 sta_params->max_amsdu_size = is_cap_supported(caps,
159 IEEE80211_HT_CAP_MAX_AMSDU);
160 sta_params->sgi_20Mhz = is_cap_supported(caps,
161 IEEE80211_HT_CAP_SGI_20);
162 sta_params->sgi_40mhz = is_cap_supported(caps,
163 IEEE80211_HT_CAP_SGI_40);
164 sta_params->green_field_capable = is_cap_supported(caps,
165 IEEE80211_HT_CAP_GRN_FLD);
166 sta_params->delayed_ba_support = is_cap_supported(caps,
167 IEEE80211_HT_CAP_DELAY_BA);
168 sta_params->dsss_cck_mode_40mhz = is_cap_supported(caps,
169 IEEE80211_HT_CAP_DSSSCCK40);
170 }
171 }
172
173 static void wcn36xx_smd_set_sta_default_ht_params(
174 struct wcn36xx_hal_config_sta_params *sta_params)
175 {
176 sta_params->ht_capable = 1;
177 sta_params->tx_channel_width_set = 1;
178 sta_params->lsig_txop_protection = 1;
179 sta_params->max_ampdu_size = 3;
180 sta_params->max_ampdu_density = 5;
181 sta_params->max_amsdu_size = 0;
182 sta_params->sgi_20Mhz = 1;
183 sta_params->sgi_40mhz = 1;
184 sta_params->green_field_capable = 1;
185 sta_params->delayed_ba_support = 0;
186 sta_params->dsss_cck_mode_40mhz = 1;
187 }
188
189 static void wcn36xx_smd_set_sta_params(struct wcn36xx *wcn,
190 struct ieee80211_vif *vif,
191 struct ieee80211_sta *sta,
192 struct wcn36xx_hal_config_sta_params *sta_params)
193 {
194 struct wcn36xx_vif *priv_vif = (struct wcn36xx_vif *)vif->drv_priv;
195 struct wcn36xx_sta *priv_sta = NULL;
196 if (vif->type == NL80211_IFTYPE_ADHOC ||
197 vif->type == NL80211_IFTYPE_AP ||
198 vif->type == NL80211_IFTYPE_MESH_POINT) {
199 sta_params->type = 1;
200 sta_params->sta_index = 0xFF;
201 } else {
202 sta_params->type = 0;
203 sta_params->sta_index = 1;
204 }
205
206 sta_params->listen_interval = WCN36XX_LISTEN_INTERVAL(wcn);
207
208 /*
209 * In STA mode ieee80211_sta contains bssid and ieee80211_vif
210 * contains our mac address. In AP mode we are bssid so vif
211 * contains bssid and ieee80211_sta contains mac.
212 */
213 if (NL80211_IFTYPE_STATION == vif->type)
214 memcpy(&sta_params->mac, vif->addr, ETH_ALEN);
215 else
216 memcpy(&sta_params->bssid, vif->addr, ETH_ALEN);
217
218 sta_params->encrypt_type = priv_vif->encrypt_type;
219 sta_params->short_preamble_supported = true;
220
221 sta_params->rifs_mode = 0;
222 sta_params->rmf = 0;
223 sta_params->action = 0;
224 sta_params->uapsd = 0;
225 sta_params->mimo_ps = WCN36XX_HAL_HT_MIMO_PS_STATIC;
226 sta_params->max_ampdu_duration = 0;
227 sta_params->bssid_index = priv_vif->bss_index;
228 sta_params->p2p = 0;
229
230 if (sta) {
231 priv_sta = (struct wcn36xx_sta *)sta->drv_priv;
232 if (NL80211_IFTYPE_STATION == vif->type)
233 memcpy(&sta_params->bssid, sta->addr, ETH_ALEN);
234 else
235 memcpy(&sta_params->mac, sta->addr, ETH_ALEN);
236 sta_params->wmm_enabled = sta->wme;
237 sta_params->max_sp_len = sta->max_sp;
238 sta_params->aid = priv_sta->aid;
239 wcn36xx_smd_set_sta_ht_params(sta, sta_params);
240 memcpy(&sta_params->supported_rates, &priv_sta->supported_rates,
241 sizeof(priv_sta->supported_rates));
242 } else {
243 wcn36xx_set_default_rates(&sta_params->supported_rates);
244 wcn36xx_smd_set_sta_default_ht_params(sta_params);
245 }
246 }
247
248 static int wcn36xx_smd_send_and_wait(struct wcn36xx *wcn, size_t len)
249 {
250 int ret = 0;
251 unsigned long start;
252 wcn36xx_dbg_dump(WCN36XX_DBG_SMD_DUMP, "HAL >>> ", wcn->hal_buf, len);
253
254 init_completion(&wcn->hal_rsp_compl);
255 start = jiffies;
256 ret = wcn->ctrl_ops->tx(wcn->hal_buf, len);
257 if (ret) {
258 wcn36xx_err("HAL TX failed\n");
259 goto out;
260 }
261 if (wait_for_completion_timeout(&wcn->hal_rsp_compl,
262 msecs_to_jiffies(HAL_MSG_TIMEOUT)) <= 0) {
263 wcn36xx_err("Timeout! No SMD response in %dms\n",
264 HAL_MSG_TIMEOUT);
265 ret = -ETIME;
266 goto out;
267 }
268 wcn36xx_dbg(WCN36XX_DBG_SMD, "SMD command completed in %dms",
269 jiffies_to_msecs(jiffies - start));
270 out:
271 return ret;
272 }
273
274 #define INIT_HAL_MSG(msg_body, type) \
275 do { \
276 memset(&msg_body, 0, sizeof(msg_body)); \
277 msg_body.header.msg_type = type; \
278 msg_body.header.msg_version = WCN36XX_HAL_MSG_VERSION0; \
279 msg_body.header.len = sizeof(msg_body); \
280 } while (0) \
281
282 #define PREPARE_HAL_BUF(send_buf, msg_body) \
283 do { \
284 memset(send_buf, 0, msg_body.header.len); \
285 memcpy(send_buf, &msg_body, sizeof(msg_body)); \
286 } while (0) \
287
288 static int wcn36xx_smd_rsp_status_check(void *buf, size_t len)
289 {
290 struct wcn36xx_fw_msg_status_rsp *rsp;
291
292 if (len < sizeof(struct wcn36xx_hal_msg_header) +
293 sizeof(struct wcn36xx_fw_msg_status_rsp))
294 return -EIO;
295
296 rsp = (struct wcn36xx_fw_msg_status_rsp *)
297 (buf + sizeof(struct wcn36xx_hal_msg_header));
298
299 if (WCN36XX_FW_MSG_RESULT_SUCCESS != rsp->status)
300 return rsp->status;
301
302 return 0;
303 }
304
305 int wcn36xx_smd_load_nv(struct wcn36xx *wcn)
306 {
307 struct nv_data *nv_d;
308 struct wcn36xx_hal_nv_img_download_req_msg msg_body;
309 int fw_bytes_left;
310 int ret;
311 u16 fm_offset = 0;
312
313 if (!wcn->nv) {
314 ret = request_firmware(&wcn->nv, WLAN_NV_FILE, wcn->dev);
315 if (ret) {
316 wcn36xx_err("Failed to load nv file %s: %d\n",
317 WLAN_NV_FILE, ret);
318 goto out;
319 }
320 }
321
322 nv_d = (struct nv_data *)wcn->nv->data;
323 INIT_HAL_MSG(msg_body, WCN36XX_HAL_DOWNLOAD_NV_REQ);
324
325 msg_body.header.len += WCN36XX_NV_FRAGMENT_SIZE;
326
327 msg_body.frag_number = 0;
328 /* hal_buf must be protected with mutex */
329 mutex_lock(&wcn->hal_mutex);
330
331 do {
332 fw_bytes_left = wcn->nv->size - fm_offset - 4;
333 if (fw_bytes_left > WCN36XX_NV_FRAGMENT_SIZE) {
334 msg_body.last_fragment = 0;
335 msg_body.nv_img_buffer_size = WCN36XX_NV_FRAGMENT_SIZE;
336 } else {
337 msg_body.last_fragment = 1;
338 msg_body.nv_img_buffer_size = fw_bytes_left;
339
340 /* Do not forget update general message len */
341 msg_body.header.len = sizeof(msg_body) + fw_bytes_left;
342
343 }
344
345 /* Add load NV request message header */
346 memcpy(wcn->hal_buf, &msg_body, sizeof(msg_body));
347
348 /* Add NV body itself */
349 memcpy(wcn->hal_buf + sizeof(msg_body),
350 &nv_d->table + fm_offset,
351 msg_body.nv_img_buffer_size);
352
353 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
354 if (ret)
355 goto out_unlock;
356 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf,
357 wcn->hal_rsp_len);
358 if (ret) {
359 wcn36xx_err("hal_load_nv response failed err=%d\n",
360 ret);
361 goto out_unlock;
362 }
363 msg_body.frag_number++;
364 fm_offset += WCN36XX_NV_FRAGMENT_SIZE;
365
366 } while (msg_body.last_fragment != 1);
367
368 out_unlock:
369 mutex_unlock(&wcn->hal_mutex);
370 out: return ret;
371 }
372
373 static int wcn36xx_smd_start_rsp(struct wcn36xx *wcn, void *buf, size_t len)
374 {
375 struct wcn36xx_hal_mac_start_rsp_msg *rsp;
376
377 if (len < sizeof(*rsp))
378 return -EIO;
379
380 rsp = (struct wcn36xx_hal_mac_start_rsp_msg *)buf;
381
382 if (WCN36XX_FW_MSG_RESULT_SUCCESS != rsp->start_rsp_params.status)
383 return -EIO;
384
385 memcpy(wcn->crm_version, rsp->start_rsp_params.crm_version,
386 WCN36XX_HAL_VERSION_LENGTH);
387 memcpy(wcn->wlan_version, rsp->start_rsp_params.wlan_version,
388 WCN36XX_HAL_VERSION_LENGTH);
389
390 /* null terminate the strings, just in case */
391 wcn->crm_version[WCN36XX_HAL_VERSION_LENGTH] = '\0';
392 wcn->wlan_version[WCN36XX_HAL_VERSION_LENGTH] = '\0';
393
394 wcn->fw_revision = rsp->start_rsp_params.version.revision;
395 wcn->fw_version = rsp->start_rsp_params.version.version;
396 wcn->fw_minor = rsp->start_rsp_params.version.minor;
397 wcn->fw_major = rsp->start_rsp_params.version.major;
398
399 wcn36xx_info("firmware WLAN version '%s' and CRM version '%s'\n",
400 wcn->wlan_version, wcn->crm_version);
401
402 wcn36xx_info("firmware API %u.%u.%u.%u, %u stations, %u bssids\n",
403 wcn->fw_major, wcn->fw_minor,
404 wcn->fw_version, wcn->fw_revision,
405 rsp->start_rsp_params.stations,
406 rsp->start_rsp_params.bssids);
407
408 return 0;
409 }
410
411 int wcn36xx_smd_start(struct wcn36xx *wcn)
412 {
413 struct wcn36xx_hal_mac_start_req_msg msg_body, *body;
414 int ret = 0;
415 int i;
416 size_t len;
417
418 mutex_lock(&wcn->hal_mutex);
419 INIT_HAL_MSG(msg_body, WCN36XX_HAL_START_REQ);
420
421 msg_body.params.type = DRIVER_TYPE_PRODUCTION;
422 msg_body.params.len = 0;
423
424 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
425
426 body = (struct wcn36xx_hal_mac_start_req_msg *)wcn->hal_buf;
427 len = body->header.len;
428
429 for (i = 0; i < ARRAY_SIZE(wcn36xx_cfg_vals); i++) {
430 ret = put_cfg_tlv_u32(wcn, &len, wcn36xx_cfg_vals[i].cfg_id,
431 wcn36xx_cfg_vals[i].value);
432 if (ret)
433 goto out;
434 }
435 body->header.len = len;
436 body->params.len = len - sizeof(*body);
437
438 wcn36xx_dbg(WCN36XX_DBG_HAL, "hal start type %d\n",
439 msg_body.params.type);
440
441 ret = wcn36xx_smd_send_and_wait(wcn, body->header.len);
442 if (ret) {
443 wcn36xx_err("Sending hal_start failed\n");
444 goto out;
445 }
446
447 ret = wcn36xx_smd_start_rsp(wcn, wcn->hal_buf, wcn->hal_rsp_len);
448 if (ret) {
449 wcn36xx_err("hal_start response failed err=%d\n", ret);
450 goto out;
451 }
452
453 out:
454 mutex_unlock(&wcn->hal_mutex);
455 return ret;
456 }
457
458 int wcn36xx_smd_stop(struct wcn36xx *wcn)
459 {
460 struct wcn36xx_hal_mac_stop_req_msg msg_body;
461 int ret = 0;
462
463 mutex_lock(&wcn->hal_mutex);
464 INIT_HAL_MSG(msg_body, WCN36XX_HAL_STOP_REQ);
465
466 msg_body.stop_req_params.reason = HAL_STOP_TYPE_RF_KILL;
467
468 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
469
470 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
471 if (ret) {
472 wcn36xx_err("Sending hal_stop failed\n");
473 goto out;
474 }
475 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
476 if (ret) {
477 wcn36xx_err("hal_stop response failed err=%d\n", ret);
478 goto out;
479 }
480 out:
481 mutex_unlock(&wcn->hal_mutex);
482 return ret;
483 }
484
485 int wcn36xx_smd_init_scan(struct wcn36xx *wcn, enum wcn36xx_hal_sys_mode mode)
486 {
487 struct wcn36xx_hal_init_scan_req_msg msg_body;
488 int ret = 0;
489
490 mutex_lock(&wcn->hal_mutex);
491 INIT_HAL_MSG(msg_body, WCN36XX_HAL_INIT_SCAN_REQ);
492
493 msg_body.mode = mode;
494
495 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
496
497 wcn36xx_dbg(WCN36XX_DBG_HAL, "hal init scan mode %d\n", msg_body.mode);
498
499 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
500 if (ret) {
501 wcn36xx_err("Sending hal_init_scan failed\n");
502 goto out;
503 }
504 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
505 if (ret) {
506 wcn36xx_err("hal_init_scan response failed err=%d\n", ret);
507 goto out;
508 }
509 out:
510 mutex_unlock(&wcn->hal_mutex);
511 return ret;
512 }
513
514 int wcn36xx_smd_start_scan(struct wcn36xx *wcn)
515 {
516 struct wcn36xx_hal_start_scan_req_msg msg_body;
517 int ret = 0;
518
519 mutex_lock(&wcn->hal_mutex);
520 INIT_HAL_MSG(msg_body, WCN36XX_HAL_START_SCAN_REQ);
521
522 msg_body.scan_channel = WCN36XX_HW_CHANNEL(wcn);
523
524 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
525
526 wcn36xx_dbg(WCN36XX_DBG_HAL, "hal start scan channel %d\n",
527 msg_body.scan_channel);
528
529 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
530 if (ret) {
531 wcn36xx_err("Sending hal_start_scan failed\n");
532 goto out;
533 }
534 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
535 if (ret) {
536 wcn36xx_err("hal_start_scan response failed err=%d\n", ret);
537 goto out;
538 }
539 out:
540 mutex_unlock(&wcn->hal_mutex);
541 return ret;
542 }
543
544 int wcn36xx_smd_end_scan(struct wcn36xx *wcn)
545 {
546 struct wcn36xx_hal_end_scan_req_msg msg_body;
547 int ret = 0;
548
549 mutex_lock(&wcn->hal_mutex);
550 INIT_HAL_MSG(msg_body, WCN36XX_HAL_END_SCAN_REQ);
551
552 msg_body.scan_channel = WCN36XX_HW_CHANNEL(wcn);
553
554 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
555
556 wcn36xx_dbg(WCN36XX_DBG_HAL, "hal end scan channel %d\n",
557 msg_body.scan_channel);
558
559 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
560 if (ret) {
561 wcn36xx_err("Sending hal_end_scan failed\n");
562 goto out;
563 }
564 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
565 if (ret) {
566 wcn36xx_err("hal_end_scan response failed err=%d\n", ret);
567 goto out;
568 }
569 out:
570 mutex_unlock(&wcn->hal_mutex);
571 return ret;
572 }
573
574 int wcn36xx_smd_finish_scan(struct wcn36xx *wcn,
575 enum wcn36xx_hal_sys_mode mode)
576 {
577 struct wcn36xx_hal_finish_scan_req_msg msg_body;
578 int ret = 0;
579
580 mutex_lock(&wcn->hal_mutex);
581 INIT_HAL_MSG(msg_body, WCN36XX_HAL_FINISH_SCAN_REQ);
582
583 msg_body.mode = mode;
584
585 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
586
587 wcn36xx_dbg(WCN36XX_DBG_HAL, "hal finish scan mode %d\n",
588 msg_body.mode);
589
590 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
591 if (ret) {
592 wcn36xx_err("Sending hal_finish_scan failed\n");
593 goto out;
594 }
595 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
596 if (ret) {
597 wcn36xx_err("hal_finish_scan response failed err=%d\n", ret);
598 goto out;
599 }
600 out:
601 mutex_unlock(&wcn->hal_mutex);
602 return ret;
603 }
604
605 static int wcn36xx_smd_switch_channel_rsp(void *buf, size_t len)
606 {
607 struct wcn36xx_hal_switch_channel_rsp_msg *rsp;
608 int ret = 0;
609
610 ret = wcn36xx_smd_rsp_status_check(buf, len);
611 if (ret)
612 return ret;
613 rsp = (struct wcn36xx_hal_switch_channel_rsp_msg *)buf;
614 wcn36xx_dbg(WCN36XX_DBG_HAL, "channel switched to: %d, status: %d\n",
615 rsp->channel_number, rsp->status);
616 return ret;
617 }
618
619 int wcn36xx_smd_switch_channel(struct wcn36xx *wcn,
620 struct ieee80211_vif *vif, int ch)
621 {
622 struct wcn36xx_hal_switch_channel_req_msg msg_body;
623 int ret = 0;
624
625 mutex_lock(&wcn->hal_mutex);
626 INIT_HAL_MSG(msg_body, WCN36XX_HAL_CH_SWITCH_REQ);
627
628 msg_body.channel_number = (u8)ch;
629 msg_body.tx_mgmt_power = 0xbf;
630 msg_body.max_tx_power = 0xbf;
631 memcpy(msg_body.self_sta_mac_addr, vif->addr, ETH_ALEN);
632
633 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
634
635 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
636 if (ret) {
637 wcn36xx_err("Sending hal_switch_channel failed\n");
638 goto out;
639 }
640 ret = wcn36xx_smd_switch_channel_rsp(wcn->hal_buf, wcn->hal_rsp_len);
641 if (ret) {
642 wcn36xx_err("hal_switch_channel response failed err=%d\n", ret);
643 goto out;
644 }
645 out:
646 mutex_unlock(&wcn->hal_mutex);
647 return ret;
648 }
649
650 static int wcn36xx_smd_update_scan_params_rsp(void *buf, size_t len)
651 {
652 struct wcn36xx_hal_update_scan_params_resp *rsp;
653
654 rsp = (struct wcn36xx_hal_update_scan_params_resp *)buf;
655
656 /* Remove the PNO version bit */
657 rsp->status &= (~(WCN36XX_FW_MSG_PNO_VERSION_MASK));
658
659 if (WCN36XX_FW_MSG_RESULT_SUCCESS != rsp->status) {
660 wcn36xx_warn("error response from update scan\n");
661 return rsp->status;
662 }
663
664 return 0;
665 }
666
667 int wcn36xx_smd_update_scan_params(struct wcn36xx *wcn)
668 {
669 struct wcn36xx_hal_update_scan_params_req msg_body;
670 int ret = 0;
671
672 mutex_lock(&wcn->hal_mutex);
673 INIT_HAL_MSG(msg_body, WCN36XX_HAL_UPDATE_SCAN_PARAM_REQ);
674
675 msg_body.dot11d_enabled = 0;
676 msg_body.dot11d_resolved = 0;
677 msg_body.channel_count = 26;
678 msg_body.active_min_ch_time = 60;
679 msg_body.active_max_ch_time = 120;
680 msg_body.passive_min_ch_time = 60;
681 msg_body.passive_max_ch_time = 110;
682 msg_body.state = 0;
683
684 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
685
686 wcn36xx_dbg(WCN36XX_DBG_HAL,
687 "hal update scan params channel_count %d\n",
688 msg_body.channel_count);
689
690 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
691 if (ret) {
692 wcn36xx_err("Sending hal_update_scan_params failed\n");
693 goto out;
694 }
695 ret = wcn36xx_smd_update_scan_params_rsp(wcn->hal_buf,
696 wcn->hal_rsp_len);
697 if (ret) {
698 wcn36xx_err("hal_update_scan_params response failed err=%d\n",
699 ret);
700 goto out;
701 }
702 out:
703 mutex_unlock(&wcn->hal_mutex);
704 return ret;
705 }
706
707 static int wcn36xx_smd_add_sta_self_rsp(struct wcn36xx *wcn,
708 struct ieee80211_vif *vif,
709 void *buf,
710 size_t len)
711 {
712 struct wcn36xx_hal_add_sta_self_rsp_msg *rsp;
713 struct wcn36xx_vif *priv_vif = (struct wcn36xx_vif *)vif->drv_priv;
714
715 if (len < sizeof(*rsp))
716 return -EINVAL;
717
718 rsp = (struct wcn36xx_hal_add_sta_self_rsp_msg *)buf;
719
720 if (rsp->status != WCN36XX_FW_MSG_RESULT_SUCCESS) {
721 wcn36xx_warn("hal add sta self failure: %d\n",
722 rsp->status);
723 return rsp->status;
724 }
725
726 wcn36xx_dbg(WCN36XX_DBG_HAL,
727 "hal add sta self status %d self_sta_index %d dpu_index %d\n",
728 rsp->status, rsp->self_sta_index, rsp->dpu_index);
729
730 priv_vif->self_sta_index = rsp->self_sta_index;
731 priv_vif->self_dpu_desc_index = rsp->dpu_index;
732
733 return 0;
734 }
735
736 int wcn36xx_smd_add_sta_self(struct wcn36xx *wcn, struct ieee80211_vif *vif)
737 {
738 struct wcn36xx_hal_add_sta_self_req msg_body;
739 int ret = 0;
740
741 mutex_lock(&wcn->hal_mutex);
742 INIT_HAL_MSG(msg_body, WCN36XX_HAL_ADD_STA_SELF_REQ);
743
744 memcpy(&msg_body.self_addr, vif->addr, ETH_ALEN);
745
746 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
747
748 wcn36xx_dbg(WCN36XX_DBG_HAL,
749 "hal add sta self self_addr %pM status %d\n",
750 msg_body.self_addr, msg_body.status);
751
752 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
753 if (ret) {
754 wcn36xx_err("Sending hal_add_sta_self failed\n");
755 goto out;
756 }
757 ret = wcn36xx_smd_add_sta_self_rsp(wcn,
758 vif,
759 wcn->hal_buf,
760 wcn->hal_rsp_len);
761 if (ret) {
762 wcn36xx_err("hal_add_sta_self response failed err=%d\n", ret);
763 goto out;
764 }
765 out:
766 mutex_unlock(&wcn->hal_mutex);
767 return ret;
768 }
769
770 int wcn36xx_smd_delete_sta_self(struct wcn36xx *wcn, u8 *addr)
771 {
772 struct wcn36xx_hal_del_sta_self_req_msg msg_body;
773 int ret = 0;
774
775 mutex_lock(&wcn->hal_mutex);
776 INIT_HAL_MSG(msg_body, WCN36XX_HAL_DEL_STA_SELF_REQ);
777
778 memcpy(&msg_body.self_addr, addr, ETH_ALEN);
779
780 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
781
782 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
783 if (ret) {
784 wcn36xx_err("Sending hal_delete_sta_self failed\n");
785 goto out;
786 }
787 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
788 if (ret) {
789 wcn36xx_err("hal_delete_sta_self response failed err=%d\n",
790 ret);
791 goto out;
792 }
793 out:
794 mutex_unlock(&wcn->hal_mutex);
795 return ret;
796 }
797
798 int wcn36xx_smd_delete_sta(struct wcn36xx *wcn, u8 sta_index)
799 {
800 struct wcn36xx_hal_delete_sta_req_msg msg_body;
801 int ret = 0;
802
803 mutex_lock(&wcn->hal_mutex);
804 INIT_HAL_MSG(msg_body, WCN36XX_HAL_DELETE_STA_REQ);
805
806 msg_body.sta_index = sta_index;
807
808 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
809
810 wcn36xx_dbg(WCN36XX_DBG_HAL,
811 "hal delete sta sta_index %d\n",
812 msg_body.sta_index);
813
814 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
815 if (ret) {
816 wcn36xx_err("Sending hal_delete_sta failed\n");
817 goto out;
818 }
819 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
820 if (ret) {
821 wcn36xx_err("hal_delete_sta response failed err=%d\n", ret);
822 goto out;
823 }
824 out:
825 mutex_unlock(&wcn->hal_mutex);
826 return ret;
827 }
828
829 static int wcn36xx_smd_join_rsp(void *buf, size_t len)
830 {
831 struct wcn36xx_hal_join_rsp_msg *rsp;
832
833 if (wcn36xx_smd_rsp_status_check(buf, len))
834 return -EIO;
835
836 rsp = (struct wcn36xx_hal_join_rsp_msg *)buf;
837
838 wcn36xx_dbg(WCN36XX_DBG_HAL,
839 "hal rsp join status %d tx_mgmt_power %d\n",
840 rsp->status, rsp->tx_mgmt_power);
841
842 return 0;
843 }
844
845 int wcn36xx_smd_join(struct wcn36xx *wcn, const u8 *bssid, u8 *vif, u8 ch)
846 {
847 struct wcn36xx_hal_join_req_msg msg_body;
848 int ret = 0;
849
850 mutex_lock(&wcn->hal_mutex);
851 INIT_HAL_MSG(msg_body, WCN36XX_HAL_JOIN_REQ);
852
853 memcpy(&msg_body.bssid, bssid, ETH_ALEN);
854 memcpy(&msg_body.self_sta_mac_addr, vif, ETH_ALEN);
855 msg_body.channel = ch;
856
857 if (conf_is_ht40_minus(&wcn->hw->conf))
858 msg_body.secondary_channel_offset =
859 PHY_DOUBLE_CHANNEL_HIGH_PRIMARY;
860 else if (conf_is_ht40_plus(&wcn->hw->conf))
861 msg_body.secondary_channel_offset =
862 PHY_DOUBLE_CHANNEL_LOW_PRIMARY;
863 else
864 msg_body.secondary_channel_offset =
865 PHY_SINGLE_CHANNEL_CENTERED;
866
867 msg_body.link_state = WCN36XX_HAL_LINK_PREASSOC_STATE;
868
869 msg_body.max_tx_power = 0xbf;
870 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
871
872 wcn36xx_dbg(WCN36XX_DBG_HAL,
873 "hal join req bssid %pM self_sta_mac_addr %pM channel %d link_state %d\n",
874 msg_body.bssid, msg_body.self_sta_mac_addr,
875 msg_body.channel, msg_body.link_state);
876
877 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
878 if (ret) {
879 wcn36xx_err("Sending hal_join failed\n");
880 goto out;
881 }
882 ret = wcn36xx_smd_join_rsp(wcn->hal_buf, wcn->hal_rsp_len);
883 if (ret) {
884 wcn36xx_err("hal_join response failed err=%d\n", ret);
885 goto out;
886 }
887 out:
888 mutex_unlock(&wcn->hal_mutex);
889 return ret;
890 }
891
892 int wcn36xx_smd_set_link_st(struct wcn36xx *wcn, const u8 *bssid,
893 const u8 *sta_mac,
894 enum wcn36xx_hal_link_state state)
895 {
896 struct wcn36xx_hal_set_link_state_req_msg msg_body;
897 int ret = 0;
898
899 mutex_lock(&wcn->hal_mutex);
900 INIT_HAL_MSG(msg_body, WCN36XX_HAL_SET_LINK_ST_REQ);
901
902 memcpy(&msg_body.bssid, bssid, ETH_ALEN);
903 memcpy(&msg_body.self_mac_addr, sta_mac, ETH_ALEN);
904 msg_body.state = state;
905
906 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
907
908 wcn36xx_dbg(WCN36XX_DBG_HAL,
909 "hal set link state bssid %pM self_mac_addr %pM state %d\n",
910 msg_body.bssid, msg_body.self_mac_addr, msg_body.state);
911
912 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
913 if (ret) {
914 wcn36xx_err("Sending hal_set_link_st failed\n");
915 goto out;
916 }
917 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
918 if (ret) {
919 wcn36xx_err("hal_set_link_st response failed err=%d\n", ret);
920 goto out;
921 }
922 out:
923 mutex_unlock(&wcn->hal_mutex);
924 return ret;
925 }
926
927 static void wcn36xx_smd_convert_sta_to_v1(struct wcn36xx *wcn,
928 const struct wcn36xx_hal_config_sta_params *orig,
929 struct wcn36xx_hal_config_sta_params_v1 *v1)
930 {
931 /* convert orig to v1 format */
932 memcpy(&v1->bssid, orig->bssid, ETH_ALEN);
933 memcpy(&v1->mac, orig->mac, ETH_ALEN);
934 v1->aid = orig->aid;
935 v1->type = orig->type;
936 v1->listen_interval = orig->listen_interval;
937 v1->ht_capable = orig->ht_capable;
938
939 v1->max_ampdu_size = orig->max_ampdu_size;
940 v1->max_ampdu_density = orig->max_ampdu_density;
941 v1->sgi_40mhz = orig->sgi_40mhz;
942 v1->sgi_20Mhz = orig->sgi_20Mhz;
943
944 memcpy(&v1->supported_rates, &orig->supported_rates,
945 sizeof(orig->supported_rates));
946 v1->sta_index = orig->sta_index;
947 }
948
949 static int wcn36xx_smd_config_sta_rsp(struct wcn36xx *wcn,
950 struct ieee80211_sta *sta,
951 void *buf,
952 size_t len)
953 {
954 struct wcn36xx_hal_config_sta_rsp_msg *rsp;
955 struct config_sta_rsp_params *params;
956 struct wcn36xx_sta *sta_priv = (struct wcn36xx_sta *)sta->drv_priv;
957
958 if (len < sizeof(*rsp))
959 return -EINVAL;
960
961 rsp = (struct wcn36xx_hal_config_sta_rsp_msg *)buf;
962 params = &rsp->params;
963
964 if (params->status != WCN36XX_FW_MSG_RESULT_SUCCESS) {
965 wcn36xx_warn("hal config sta response failure: %d\n",
966 params->status);
967 return -EIO;
968 }
969
970 sta_priv->sta_index = params->sta_index;
971 sta_priv->dpu_desc_index = params->dpu_index;
972 sta_priv->ucast_dpu_sign = params->uc_ucast_sig;
973
974 wcn36xx_dbg(WCN36XX_DBG_HAL,
975 "hal config sta rsp status %d sta_index %d bssid_index %d uc_ucast_sig %d p2p %d\n",
976 params->status, params->sta_index, params->bssid_index,
977 params->uc_ucast_sig, params->p2p);
978
979 return 0;
980 }
981
982 static int wcn36xx_smd_config_sta_v1(struct wcn36xx *wcn,
983 const struct wcn36xx_hal_config_sta_req_msg *orig)
984 {
985 struct wcn36xx_hal_config_sta_req_msg_v1 msg_body;
986 struct wcn36xx_hal_config_sta_params_v1 *sta = &msg_body.sta_params;
987
988 INIT_HAL_MSG(msg_body, WCN36XX_HAL_CONFIG_STA_REQ);
989
990 wcn36xx_smd_convert_sta_to_v1(wcn, &orig->sta_params,
991 &msg_body.sta_params);
992
993 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
994
995 wcn36xx_dbg(WCN36XX_DBG_HAL,
996 "hal config sta v1 action %d sta_index %d bssid_index %d bssid %pM type %d mac %pM aid %d\n",
997 sta->action, sta->sta_index, sta->bssid_index,
998 sta->bssid, sta->type, sta->mac, sta->aid);
999
1000 return wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1001 }
1002
1003 int wcn36xx_smd_config_sta(struct wcn36xx *wcn, struct ieee80211_vif *vif,
1004 struct ieee80211_sta *sta)
1005 {
1006 struct wcn36xx_hal_config_sta_req_msg msg;
1007 struct wcn36xx_hal_config_sta_params *sta_params;
1008 int ret = 0;
1009
1010 mutex_lock(&wcn->hal_mutex);
1011 INIT_HAL_MSG(msg, WCN36XX_HAL_CONFIG_STA_REQ);
1012
1013 sta_params = &msg.sta_params;
1014
1015 wcn36xx_smd_set_sta_params(wcn, vif, sta, sta_params);
1016
1017 if (!wcn36xx_is_fw_version(wcn, 1, 2, 2, 24)) {
1018 ret = wcn36xx_smd_config_sta_v1(wcn, &msg);
1019 } else {
1020 PREPARE_HAL_BUF(wcn->hal_buf, msg);
1021
1022 wcn36xx_dbg(WCN36XX_DBG_HAL,
1023 "hal config sta action %d sta_index %d bssid_index %d bssid %pM type %d mac %pM aid %d\n",
1024 sta_params->action, sta_params->sta_index,
1025 sta_params->bssid_index, sta_params->bssid,
1026 sta_params->type, sta_params->mac, sta_params->aid);
1027
1028 ret = wcn36xx_smd_send_and_wait(wcn, msg.header.len);
1029 }
1030 if (ret) {
1031 wcn36xx_err("Sending hal_config_sta failed\n");
1032 goto out;
1033 }
1034 ret = wcn36xx_smd_config_sta_rsp(wcn,
1035 sta,
1036 wcn->hal_buf,
1037 wcn->hal_rsp_len);
1038 if (ret) {
1039 wcn36xx_err("hal_config_sta response failed err=%d\n", ret);
1040 goto out;
1041 }
1042 out:
1043 mutex_unlock(&wcn->hal_mutex);
1044 return ret;
1045 }
1046
1047 static int wcn36xx_smd_config_bss_v1(struct wcn36xx *wcn,
1048 const struct wcn36xx_hal_config_bss_req_msg *orig)
1049 {
1050 struct wcn36xx_hal_config_bss_req_msg_v1 msg_body;
1051 struct wcn36xx_hal_config_bss_params_v1 *bss = &msg_body.bss_params;
1052 struct wcn36xx_hal_config_sta_params_v1 *sta = &bss->sta;
1053
1054 INIT_HAL_MSG(msg_body, WCN36XX_HAL_CONFIG_BSS_REQ);
1055
1056 /* convert orig to v1 */
1057 memcpy(&msg_body.bss_params.bssid,
1058 &orig->bss_params.bssid, ETH_ALEN);
1059 memcpy(&msg_body.bss_params.self_mac_addr,
1060 &orig->bss_params.self_mac_addr, ETH_ALEN);
1061
1062 msg_body.bss_params.bss_type = orig->bss_params.bss_type;
1063 msg_body.bss_params.oper_mode = orig->bss_params.oper_mode;
1064 msg_body.bss_params.nw_type = orig->bss_params.nw_type;
1065
1066 msg_body.bss_params.short_slot_time_supported =
1067 orig->bss_params.short_slot_time_supported;
1068 msg_body.bss_params.lla_coexist = orig->bss_params.lla_coexist;
1069 msg_body.bss_params.llb_coexist = orig->bss_params.llb_coexist;
1070 msg_body.bss_params.llg_coexist = orig->bss_params.llg_coexist;
1071 msg_body.bss_params.ht20_coexist = orig->bss_params.ht20_coexist;
1072 msg_body.bss_params.lln_non_gf_coexist =
1073 orig->bss_params.lln_non_gf_coexist;
1074
1075 msg_body.bss_params.lsig_tx_op_protection_full_support =
1076 orig->bss_params.lsig_tx_op_protection_full_support;
1077 msg_body.bss_params.rifs_mode = orig->bss_params.rifs_mode;
1078 msg_body.bss_params.beacon_interval = orig->bss_params.beacon_interval;
1079 msg_body.bss_params.dtim_period = orig->bss_params.dtim_period;
1080 msg_body.bss_params.tx_channel_width_set =
1081 orig->bss_params.tx_channel_width_set;
1082 msg_body.bss_params.oper_channel = orig->bss_params.oper_channel;
1083 msg_body.bss_params.ext_channel = orig->bss_params.ext_channel;
1084
1085 msg_body.bss_params.reserved = orig->bss_params.reserved;
1086
1087 memcpy(&msg_body.bss_params.ssid,
1088 &orig->bss_params.ssid,
1089 sizeof(orig->bss_params.ssid));
1090
1091 msg_body.bss_params.action = orig->bss_params.action;
1092 msg_body.bss_params.rateset = orig->bss_params.rateset;
1093 msg_body.bss_params.ht = orig->bss_params.ht;
1094 msg_body.bss_params.obss_prot_enabled =
1095 orig->bss_params.obss_prot_enabled;
1096 msg_body.bss_params.rmf = orig->bss_params.rmf;
1097 msg_body.bss_params.ht_oper_mode = orig->bss_params.ht_oper_mode;
1098 msg_body.bss_params.dual_cts_protection =
1099 orig->bss_params.dual_cts_protection;
1100
1101 msg_body.bss_params.max_probe_resp_retry_limit =
1102 orig->bss_params.max_probe_resp_retry_limit;
1103 msg_body.bss_params.hidden_ssid = orig->bss_params.hidden_ssid;
1104 msg_body.bss_params.proxy_probe_resp =
1105 orig->bss_params.proxy_probe_resp;
1106 msg_body.bss_params.edca_params_valid =
1107 orig->bss_params.edca_params_valid;
1108
1109 memcpy(&msg_body.bss_params.acbe,
1110 &orig->bss_params.acbe,
1111 sizeof(orig->bss_params.acbe));
1112 memcpy(&msg_body.bss_params.acbk,
1113 &orig->bss_params.acbk,
1114 sizeof(orig->bss_params.acbk));
1115 memcpy(&msg_body.bss_params.acvi,
1116 &orig->bss_params.acvi,
1117 sizeof(orig->bss_params.acvi));
1118 memcpy(&msg_body.bss_params.acvo,
1119 &orig->bss_params.acvo,
1120 sizeof(orig->bss_params.acvo));
1121
1122 msg_body.bss_params.ext_set_sta_key_param_valid =
1123 orig->bss_params.ext_set_sta_key_param_valid;
1124
1125 memcpy(&msg_body.bss_params.ext_set_sta_key_param,
1126 &orig->bss_params.ext_set_sta_key_param,
1127 sizeof(orig->bss_params.acvo));
1128
1129 msg_body.bss_params.wcn36xx_hal_persona =
1130 orig->bss_params.wcn36xx_hal_persona;
1131 msg_body.bss_params.spectrum_mgt_enable =
1132 orig->bss_params.spectrum_mgt_enable;
1133 msg_body.bss_params.tx_mgmt_power = orig->bss_params.tx_mgmt_power;
1134 msg_body.bss_params.max_tx_power = orig->bss_params.max_tx_power;
1135
1136 wcn36xx_smd_convert_sta_to_v1(wcn, &orig->bss_params.sta,
1137 &msg_body.bss_params.sta);
1138
1139 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1140
1141 wcn36xx_dbg(WCN36XX_DBG_HAL,
1142 "hal config bss v1 bssid %pM self_mac_addr %pM bss_type %d oper_mode %d nw_type %d\n",
1143 bss->bssid, bss->self_mac_addr, bss->bss_type,
1144 bss->oper_mode, bss->nw_type);
1145
1146 wcn36xx_dbg(WCN36XX_DBG_HAL,
1147 "- sta bssid %pM action %d sta_index %d bssid_index %d aid %d type %d mac %pM\n",
1148 sta->bssid, sta->action, sta->sta_index,
1149 sta->bssid_index, sta->aid, sta->type, sta->mac);
1150
1151 return wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1152 }
1153
1154
1155 static int wcn36xx_smd_config_bss_rsp(struct wcn36xx *wcn,
1156 struct ieee80211_vif *vif,
1157 void *buf,
1158 size_t len)
1159 {
1160 struct wcn36xx_hal_config_bss_rsp_msg *rsp;
1161 struct wcn36xx_hal_config_bss_rsp_params *params;
1162 struct wcn36xx_vif *priv_vif = (struct wcn36xx_vif *)vif->drv_priv;
1163
1164 if (len < sizeof(*rsp))
1165 return -EINVAL;
1166
1167 rsp = (struct wcn36xx_hal_config_bss_rsp_msg *)buf;
1168 params = &rsp->bss_rsp_params;
1169
1170 if (params->status != WCN36XX_FW_MSG_RESULT_SUCCESS) {
1171 wcn36xx_warn("hal config bss response failure: %d\n",
1172 params->status);
1173 return -EIO;
1174 }
1175
1176 wcn36xx_dbg(WCN36XX_DBG_HAL,
1177 "hal config bss rsp status %d bss_idx %d dpu_desc_index %d"
1178 " sta_idx %d self_idx %d bcast_idx %d mac %pM"
1179 " power %d ucast_dpu_signature %d\n",
1180 params->status, params->bss_index, params->dpu_desc_index,
1181 params->bss_sta_index, params->bss_self_sta_index,
1182 params->bss_bcast_sta_idx, params->mac,
1183 params->tx_mgmt_power, params->ucast_dpu_signature);
1184
1185 priv_vif->bss_index = params->bss_index;
1186
1187 if (priv_vif->sta) {
1188 priv_vif->sta->bss_sta_index = params->bss_sta_index;
1189 priv_vif->sta->bss_dpu_desc_index = params->dpu_desc_index;
1190 }
1191
1192 priv_vif->self_ucast_dpu_sign = params->ucast_dpu_signature;
1193
1194 return 0;
1195 }
1196
1197 int wcn36xx_smd_config_bss(struct wcn36xx *wcn, struct ieee80211_vif *vif,
1198 struct ieee80211_sta *sta, const u8 *bssid,
1199 bool update)
1200 {
1201 struct wcn36xx_hal_config_bss_req_msg msg;
1202 struct wcn36xx_hal_config_bss_params *bss;
1203 struct wcn36xx_hal_config_sta_params *sta_params;
1204 struct wcn36xx_vif *vif_priv = (struct wcn36xx_vif *)vif->drv_priv;
1205 int ret = 0;
1206
1207 mutex_lock(&wcn->hal_mutex);
1208 INIT_HAL_MSG(msg, WCN36XX_HAL_CONFIG_BSS_REQ);
1209
1210 bss = &msg.bss_params;
1211 sta_params = &bss->sta;
1212
1213 WARN_ON(is_zero_ether_addr(bssid));
1214
1215 memcpy(&bss->bssid, bssid, ETH_ALEN);
1216
1217 memcpy(bss->self_mac_addr, vif->addr, ETH_ALEN);
1218
1219 if (vif->type == NL80211_IFTYPE_STATION) {
1220 bss->bss_type = WCN36XX_HAL_INFRASTRUCTURE_MODE;
1221
1222 /* STA */
1223 bss->oper_mode = 1;
1224 bss->wcn36xx_hal_persona = WCN36XX_HAL_STA_MODE;
1225 } else if (vif->type == NL80211_IFTYPE_AP ||
1226 vif->type == NL80211_IFTYPE_MESH_POINT) {
1227 bss->bss_type = WCN36XX_HAL_INFRA_AP_MODE;
1228
1229 /* AP */
1230 bss->oper_mode = 0;
1231 bss->wcn36xx_hal_persona = WCN36XX_HAL_STA_SAP_MODE;
1232 } else if (vif->type == NL80211_IFTYPE_ADHOC) {
1233 bss->bss_type = WCN36XX_HAL_IBSS_MODE;
1234
1235 /* STA */
1236 bss->oper_mode = 1;
1237 } else {
1238 wcn36xx_warn("Unknown type for bss config: %d\n", vif->type);
1239 }
1240
1241 if (vif->type == NL80211_IFTYPE_STATION)
1242 wcn36xx_smd_set_bss_nw_type(wcn, sta, bss);
1243 else
1244 bss->nw_type = WCN36XX_HAL_11N_NW_TYPE;
1245
1246 bss->short_slot_time_supported = vif->bss_conf.use_short_slot;
1247 bss->lla_coexist = 0;
1248 bss->llb_coexist = 0;
1249 bss->llg_coexist = 0;
1250 bss->rifs_mode = 0;
1251 bss->beacon_interval = vif->bss_conf.beacon_int;
1252 bss->dtim_period = vif_priv->dtim_period;
1253
1254 wcn36xx_smd_set_bss_ht_params(vif, sta, bss);
1255
1256 bss->oper_channel = WCN36XX_HW_CHANNEL(wcn);
1257
1258 if (conf_is_ht40_minus(&wcn->hw->conf))
1259 bss->ext_channel = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
1260 else if (conf_is_ht40_plus(&wcn->hw->conf))
1261 bss->ext_channel = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
1262 else
1263 bss->ext_channel = IEEE80211_HT_PARAM_CHA_SEC_NONE;
1264
1265 bss->reserved = 0;
1266 wcn36xx_smd_set_sta_params(wcn, vif, sta, sta_params);
1267
1268 /* wcn->ssid is only valid in AP and IBSS mode */
1269 bss->ssid.length = vif_priv->ssid.length;
1270 memcpy(bss->ssid.ssid, vif_priv->ssid.ssid, vif_priv->ssid.length);
1271
1272 bss->obss_prot_enabled = 0;
1273 bss->rmf = 0;
1274 bss->max_probe_resp_retry_limit = 0;
1275 bss->hidden_ssid = vif->bss_conf.hidden_ssid;
1276 bss->proxy_probe_resp = 0;
1277 bss->edca_params_valid = 0;
1278
1279 /* FIXME: set acbe, acbk, acvi and acvo */
1280
1281 bss->ext_set_sta_key_param_valid = 0;
1282
1283 /* FIXME: set ext_set_sta_key_param */
1284
1285 bss->spectrum_mgt_enable = 0;
1286 bss->tx_mgmt_power = 0;
1287 bss->max_tx_power = WCN36XX_MAX_POWER(wcn);
1288
1289 bss->action = update;
1290
1291 wcn36xx_dbg(WCN36XX_DBG_HAL,
1292 "hal config bss bssid %pM self_mac_addr %pM bss_type %d oper_mode %d nw_type %d\n",
1293 bss->bssid, bss->self_mac_addr, bss->bss_type,
1294 bss->oper_mode, bss->nw_type);
1295
1296 wcn36xx_dbg(WCN36XX_DBG_HAL,
1297 "- sta bssid %pM action %d sta_index %d bssid_index %d aid %d type %d mac %pM\n",
1298 sta_params->bssid, sta_params->action,
1299 sta_params->sta_index, sta_params->bssid_index,
1300 sta_params->aid, sta_params->type,
1301 sta_params->mac);
1302
1303 if (!wcn36xx_is_fw_version(wcn, 1, 2, 2, 24)) {
1304 ret = wcn36xx_smd_config_bss_v1(wcn, &msg);
1305 } else {
1306 PREPARE_HAL_BUF(wcn->hal_buf, msg);
1307
1308 ret = wcn36xx_smd_send_and_wait(wcn, msg.header.len);
1309 }
1310 if (ret) {
1311 wcn36xx_err("Sending hal_config_bss failed\n");
1312 goto out;
1313 }
1314 ret = wcn36xx_smd_config_bss_rsp(wcn,
1315 vif,
1316 wcn->hal_buf,
1317 wcn->hal_rsp_len);
1318 if (ret) {
1319 wcn36xx_err("hal_config_bss response failed err=%d\n", ret);
1320 goto out;
1321 }
1322 out:
1323 mutex_unlock(&wcn->hal_mutex);
1324 return ret;
1325 }
1326
1327 int wcn36xx_smd_delete_bss(struct wcn36xx *wcn, struct ieee80211_vif *vif)
1328 {
1329 struct wcn36xx_hal_delete_bss_req_msg msg_body;
1330 struct wcn36xx_vif *priv_vif = (struct wcn36xx_vif *)vif->drv_priv;
1331 int ret = 0;
1332
1333 mutex_lock(&wcn->hal_mutex);
1334 INIT_HAL_MSG(msg_body, WCN36XX_HAL_DELETE_BSS_REQ);
1335
1336 msg_body.bss_index = priv_vif->bss_index;
1337
1338 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1339
1340 wcn36xx_dbg(WCN36XX_DBG_HAL, "hal delete bss %d\n", msg_body.bss_index);
1341
1342 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1343 if (ret) {
1344 wcn36xx_err("Sending hal_delete_bss failed\n");
1345 goto out;
1346 }
1347 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1348 if (ret) {
1349 wcn36xx_err("hal_delete_bss response failed err=%d\n", ret);
1350 goto out;
1351 }
1352 out:
1353 mutex_unlock(&wcn->hal_mutex);
1354 return ret;
1355 }
1356
1357 int wcn36xx_smd_send_beacon(struct wcn36xx *wcn, struct ieee80211_vif *vif,
1358 struct sk_buff *skb_beacon, u16 tim_off,
1359 u16 p2p_off)
1360 {
1361 struct wcn36xx_hal_send_beacon_req_msg msg_body;
1362 int ret = 0;
1363
1364 mutex_lock(&wcn->hal_mutex);
1365 INIT_HAL_MSG(msg_body, WCN36XX_HAL_SEND_BEACON_REQ);
1366
1367 /* TODO need to find out why this is needed? */
1368 msg_body.beacon_length = skb_beacon->len + 6;
1369
1370 if (BEACON_TEMPLATE_SIZE > msg_body.beacon_length) {
1371 memcpy(&msg_body.beacon, &skb_beacon->len, sizeof(u32));
1372 memcpy(&(msg_body.beacon[4]), skb_beacon->data,
1373 skb_beacon->len);
1374 } else {
1375 wcn36xx_err("Beacon is to big: beacon size=%d\n",
1376 msg_body.beacon_length);
1377 ret = -ENOMEM;
1378 goto out;
1379 }
1380 memcpy(msg_body.bssid, vif->addr, ETH_ALEN);
1381
1382 /* TODO need to find out why this is needed? */
1383 if (vif->type == NL80211_IFTYPE_MESH_POINT)
1384 /* mesh beacon don't need this, so push further down */
1385 msg_body.tim_ie_offset = 256;
1386 else
1387 msg_body.tim_ie_offset = tim_off+4;
1388 msg_body.p2p_ie_offset = p2p_off;
1389 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1390
1391 wcn36xx_dbg(WCN36XX_DBG_HAL,
1392 "hal send beacon beacon_length %d\n",
1393 msg_body.beacon_length);
1394
1395 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1396 if (ret) {
1397 wcn36xx_err("Sending hal_send_beacon failed\n");
1398 goto out;
1399 }
1400 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1401 if (ret) {
1402 wcn36xx_err("hal_send_beacon response failed err=%d\n", ret);
1403 goto out;
1404 }
1405 out:
1406 mutex_unlock(&wcn->hal_mutex);
1407 return ret;
1408 }
1409
1410 int wcn36xx_smd_update_proberesp_tmpl(struct wcn36xx *wcn,
1411 struct ieee80211_vif *vif,
1412 struct sk_buff *skb)
1413 {
1414 struct wcn36xx_hal_send_probe_resp_req_msg msg;
1415 int ret = 0;
1416
1417 mutex_lock(&wcn->hal_mutex);
1418 INIT_HAL_MSG(msg, WCN36XX_HAL_UPDATE_PROBE_RSP_TEMPLATE_REQ);
1419
1420 if (skb->len > BEACON_TEMPLATE_SIZE) {
1421 wcn36xx_warn("probe response template is too big: %d\n",
1422 skb->len);
1423 ret = -E2BIG;
1424 goto out;
1425 }
1426
1427 msg.probe_resp_template_len = skb->len;
1428 memcpy(&msg.probe_resp_template, skb->data, skb->len);
1429
1430 memcpy(msg.bssid, vif->addr, ETH_ALEN);
1431
1432 PREPARE_HAL_BUF(wcn->hal_buf, msg);
1433
1434 wcn36xx_dbg(WCN36XX_DBG_HAL,
1435 "hal update probe rsp len %d bssid %pM\n",
1436 msg.probe_resp_template_len, msg.bssid);
1437
1438 ret = wcn36xx_smd_send_and_wait(wcn, msg.header.len);
1439 if (ret) {
1440 wcn36xx_err("Sending hal_update_proberesp_tmpl failed\n");
1441 goto out;
1442 }
1443 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1444 if (ret) {
1445 wcn36xx_err("hal_update_proberesp_tmpl response failed err=%d\n",
1446 ret);
1447 goto out;
1448 }
1449 out:
1450 mutex_unlock(&wcn->hal_mutex);
1451 return ret;
1452 }
1453
1454 int wcn36xx_smd_set_stakey(struct wcn36xx *wcn,
1455 enum ani_ed_type enc_type,
1456 u8 keyidx,
1457 u8 keylen,
1458 u8 *key,
1459 u8 sta_index)
1460 {
1461 struct wcn36xx_hal_set_sta_key_req_msg msg_body;
1462 int ret = 0;
1463
1464 mutex_lock(&wcn->hal_mutex);
1465 INIT_HAL_MSG(msg_body, WCN36XX_HAL_SET_STAKEY_REQ);
1466
1467 msg_body.set_sta_key_params.sta_index = sta_index;
1468 msg_body.set_sta_key_params.enc_type = enc_type;
1469
1470 msg_body.set_sta_key_params.key[0].id = keyidx;
1471 msg_body.set_sta_key_params.key[0].unicast = 1;
1472 msg_body.set_sta_key_params.key[0].direction = WCN36XX_HAL_TX_RX;
1473 msg_body.set_sta_key_params.key[0].pae_role = 0;
1474 msg_body.set_sta_key_params.key[0].length = keylen;
1475 memcpy(msg_body.set_sta_key_params.key[0].key, key, keylen);
1476 msg_body.set_sta_key_params.single_tid_rc = 1;
1477
1478 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1479
1480 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1481 if (ret) {
1482 wcn36xx_err("Sending hal_set_stakey failed\n");
1483 goto out;
1484 }
1485 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1486 if (ret) {
1487 wcn36xx_err("hal_set_stakey response failed err=%d\n", ret);
1488 goto out;
1489 }
1490 out:
1491 mutex_unlock(&wcn->hal_mutex);
1492 return ret;
1493 }
1494
1495 int wcn36xx_smd_set_bsskey(struct wcn36xx *wcn,
1496 enum ani_ed_type enc_type,
1497 u8 keyidx,
1498 u8 keylen,
1499 u8 *key)
1500 {
1501 struct wcn36xx_hal_set_bss_key_req_msg msg_body;
1502 int ret = 0;
1503
1504 mutex_lock(&wcn->hal_mutex);
1505 INIT_HAL_MSG(msg_body, WCN36XX_HAL_SET_BSSKEY_REQ);
1506 msg_body.bss_idx = 0;
1507 msg_body.enc_type = enc_type;
1508 msg_body.num_keys = 1;
1509 msg_body.keys[0].id = keyidx;
1510 msg_body.keys[0].unicast = 0;
1511 msg_body.keys[0].direction = WCN36XX_HAL_RX_ONLY;
1512 msg_body.keys[0].pae_role = 0;
1513 msg_body.keys[0].length = keylen;
1514 memcpy(msg_body.keys[0].key, key, keylen);
1515
1516 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1517
1518 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1519 if (ret) {
1520 wcn36xx_err("Sending hal_set_bsskey failed\n");
1521 goto out;
1522 }
1523 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1524 if (ret) {
1525 wcn36xx_err("hal_set_bsskey response failed err=%d\n", ret);
1526 goto out;
1527 }
1528 out:
1529 mutex_unlock(&wcn->hal_mutex);
1530 return ret;
1531 }
1532
1533 int wcn36xx_smd_remove_stakey(struct wcn36xx *wcn,
1534 enum ani_ed_type enc_type,
1535 u8 keyidx,
1536 u8 sta_index)
1537 {
1538 struct wcn36xx_hal_remove_sta_key_req_msg msg_body;
1539 int ret = 0;
1540
1541 mutex_lock(&wcn->hal_mutex);
1542 INIT_HAL_MSG(msg_body, WCN36XX_HAL_RMV_STAKEY_REQ);
1543
1544 msg_body.sta_idx = sta_index;
1545 msg_body.enc_type = enc_type;
1546 msg_body.key_id = keyidx;
1547
1548 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1549
1550 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1551 if (ret) {
1552 wcn36xx_err("Sending hal_remove_stakey failed\n");
1553 goto out;
1554 }
1555 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1556 if (ret) {
1557 wcn36xx_err("hal_remove_stakey response failed err=%d\n", ret);
1558 goto out;
1559 }
1560 out:
1561 mutex_unlock(&wcn->hal_mutex);
1562 return ret;
1563 }
1564
1565 int wcn36xx_smd_remove_bsskey(struct wcn36xx *wcn,
1566 enum ani_ed_type enc_type,
1567 u8 keyidx)
1568 {
1569 struct wcn36xx_hal_remove_bss_key_req_msg msg_body;
1570 int ret = 0;
1571
1572 mutex_lock(&wcn->hal_mutex);
1573 INIT_HAL_MSG(msg_body, WCN36XX_HAL_RMV_BSSKEY_REQ);
1574 msg_body.bss_idx = 0;
1575 msg_body.enc_type = enc_type;
1576 msg_body.key_id = keyidx;
1577
1578 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1579
1580 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1581 if (ret) {
1582 wcn36xx_err("Sending hal_remove_bsskey failed\n");
1583 goto out;
1584 }
1585 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1586 if (ret) {
1587 wcn36xx_err("hal_remove_bsskey response failed err=%d\n", ret);
1588 goto out;
1589 }
1590 out:
1591 mutex_unlock(&wcn->hal_mutex);
1592 return ret;
1593 }
1594
1595 int wcn36xx_smd_enter_bmps(struct wcn36xx *wcn, struct ieee80211_vif *vif)
1596 {
1597 struct wcn36xx_hal_enter_bmps_req_msg msg_body;
1598 struct wcn36xx_vif *vif_priv = (struct wcn36xx_vif *)vif->drv_priv;
1599 int ret = 0;
1600
1601 mutex_lock(&wcn->hal_mutex);
1602 INIT_HAL_MSG(msg_body, WCN36XX_HAL_ENTER_BMPS_REQ);
1603
1604 msg_body.bss_index = vif_priv->bss_index;
1605 msg_body.tbtt = vif->bss_conf.sync_tsf;
1606 msg_body.dtim_period = vif_priv->dtim_period;
1607
1608 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1609
1610 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1611 if (ret) {
1612 wcn36xx_err("Sending hal_enter_bmps failed\n");
1613 goto out;
1614 }
1615 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1616 if (ret) {
1617 wcn36xx_err("hal_enter_bmps response failed err=%d\n", ret);
1618 goto out;
1619 }
1620 out:
1621 mutex_unlock(&wcn->hal_mutex);
1622 return ret;
1623 }
1624
1625 int wcn36xx_smd_exit_bmps(struct wcn36xx *wcn, struct ieee80211_vif *vif)
1626 {
1627 struct wcn36xx_hal_enter_bmps_req_msg msg_body;
1628 struct wcn36xx_vif *vif_priv = (struct wcn36xx_vif *)vif->drv_priv;
1629 int ret = 0;
1630
1631 mutex_lock(&wcn->hal_mutex);
1632 INIT_HAL_MSG(msg_body, WCN36XX_HAL_EXIT_BMPS_REQ);
1633
1634 msg_body.bss_index = vif_priv->bss_index;
1635
1636 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1637
1638 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1639 if (ret) {
1640 wcn36xx_err("Sending hal_exit_bmps failed\n");
1641 goto out;
1642 }
1643 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1644 if (ret) {
1645 wcn36xx_err("hal_exit_bmps response failed err=%d\n", ret);
1646 goto out;
1647 }
1648 out:
1649 mutex_unlock(&wcn->hal_mutex);
1650 return ret;
1651 }
1652 int wcn36xx_smd_set_power_params(struct wcn36xx *wcn, bool ignore_dtim)
1653 {
1654 struct wcn36xx_hal_set_power_params_req_msg msg_body;
1655 int ret = 0;
1656
1657 mutex_lock(&wcn->hal_mutex);
1658 INIT_HAL_MSG(msg_body, WCN36XX_HAL_SET_POWER_PARAMS_REQ);
1659
1660 /*
1661 * When host is down ignore every second dtim
1662 */
1663 if (ignore_dtim) {
1664 msg_body.ignore_dtim = 1;
1665 msg_body.dtim_period = 2;
1666 }
1667 msg_body.listen_interval = WCN36XX_LISTEN_INTERVAL(wcn);
1668
1669 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1670
1671 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1672 if (ret) {
1673 wcn36xx_err("Sending hal_set_power_params failed\n");
1674 goto out;
1675 }
1676
1677 out:
1678 mutex_unlock(&wcn->hal_mutex);
1679 return ret;
1680 }
1681 /* Notice: This function should be called after associated, or else it
1682 * will be invalid
1683 */
1684 int wcn36xx_smd_keep_alive_req(struct wcn36xx *wcn,
1685 struct ieee80211_vif *vif,
1686 int packet_type)
1687 {
1688 struct wcn36xx_hal_keep_alive_req_msg msg_body;
1689 struct wcn36xx_vif *vif_priv = (struct wcn36xx_vif *)vif->drv_priv;
1690 int ret = 0;
1691
1692 mutex_lock(&wcn->hal_mutex);
1693 INIT_HAL_MSG(msg_body, WCN36XX_HAL_KEEP_ALIVE_REQ);
1694
1695 if (packet_type == WCN36XX_HAL_KEEP_ALIVE_NULL_PKT) {
1696 msg_body.bss_index = vif_priv->bss_index;
1697 msg_body.packet_type = WCN36XX_HAL_KEEP_ALIVE_NULL_PKT;
1698 msg_body.time_period = WCN36XX_KEEP_ALIVE_TIME_PERIOD;
1699 } else if (packet_type == WCN36XX_HAL_KEEP_ALIVE_UNSOLICIT_ARP_RSP) {
1700 /* TODO: it also support ARP response type */
1701 } else {
1702 wcn36xx_warn("unknown keep alive packet type %d\n", packet_type);
1703 ret = -EINVAL;
1704 goto out;
1705 }
1706
1707 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1708
1709 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1710 if (ret) {
1711 wcn36xx_err("Sending hal_keep_alive failed\n");
1712 goto out;
1713 }
1714 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1715 if (ret) {
1716 wcn36xx_err("hal_keep_alive response failed err=%d\n", ret);
1717 goto out;
1718 }
1719 out:
1720 mutex_unlock(&wcn->hal_mutex);
1721 return ret;
1722 }
1723
1724 int wcn36xx_smd_dump_cmd_req(struct wcn36xx *wcn, u32 arg1, u32 arg2,
1725 u32 arg3, u32 arg4, u32 arg5)
1726 {
1727 struct wcn36xx_hal_dump_cmd_req_msg msg_body;
1728 int ret = 0;
1729
1730 mutex_lock(&wcn->hal_mutex);
1731 INIT_HAL_MSG(msg_body, WCN36XX_HAL_DUMP_COMMAND_REQ);
1732
1733 msg_body.arg1 = arg1;
1734 msg_body.arg2 = arg2;
1735 msg_body.arg3 = arg3;
1736 msg_body.arg4 = arg4;
1737 msg_body.arg5 = arg5;
1738
1739 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1740
1741 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1742 if (ret) {
1743 wcn36xx_err("Sending hal_dump_cmd failed\n");
1744 goto out;
1745 }
1746 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1747 if (ret) {
1748 wcn36xx_err("hal_dump_cmd response failed err=%d\n", ret);
1749 goto out;
1750 }
1751 out:
1752 mutex_unlock(&wcn->hal_mutex);
1753 return ret;
1754 }
1755
1756 void set_feat_caps(u32 *bitmap, enum place_holder_in_cap_bitmap cap)
1757 {
1758 int arr_idx, bit_idx;
1759
1760 if (cap < 0 || cap > 127) {
1761 wcn36xx_warn("error cap idx %d\n", cap);
1762 return;
1763 }
1764
1765 arr_idx = cap / 32;
1766 bit_idx = cap % 32;
1767 bitmap[arr_idx] |= (1 << bit_idx);
1768 }
1769
1770 int get_feat_caps(u32 *bitmap, enum place_holder_in_cap_bitmap cap)
1771 {
1772 int arr_idx, bit_idx;
1773 int ret = 0;
1774
1775 if (cap < 0 || cap > 127) {
1776 wcn36xx_warn("error cap idx %d\n", cap);
1777 return -EINVAL;
1778 }
1779
1780 arr_idx = cap / 32;
1781 bit_idx = cap % 32;
1782 ret = (bitmap[arr_idx] & (1 << bit_idx)) ? 1 : 0;
1783 return ret;
1784 }
1785
1786 void clear_feat_caps(u32 *bitmap, enum place_holder_in_cap_bitmap cap)
1787 {
1788 int arr_idx, bit_idx;
1789
1790 if (cap < 0 || cap > 127) {
1791 wcn36xx_warn("error cap idx %d\n", cap);
1792 return;
1793 }
1794
1795 arr_idx = cap / 32;
1796 bit_idx = cap % 32;
1797 bitmap[arr_idx] &= ~(1 << bit_idx);
1798 }
1799
1800 int wcn36xx_smd_feature_caps_exchange(struct wcn36xx *wcn)
1801 {
1802 struct wcn36xx_hal_feat_caps_msg msg_body, *rsp;
1803 int ret = 0, i;
1804
1805 mutex_lock(&wcn->hal_mutex);
1806 INIT_HAL_MSG(msg_body, WCN36XX_HAL_FEATURE_CAPS_EXCHANGE_REQ);
1807
1808 set_feat_caps(msg_body.feat_caps, STA_POWERSAVE);
1809
1810 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1811
1812 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1813 if (ret) {
1814 wcn36xx_err("Sending hal_feature_caps_exchange failed\n");
1815 goto out;
1816 }
1817 if (wcn->hal_rsp_len != sizeof(*rsp)) {
1818 wcn36xx_err("Invalid hal_feature_caps_exchange response");
1819 goto out;
1820 }
1821
1822 rsp = (struct wcn36xx_hal_feat_caps_msg *) wcn->hal_buf;
1823
1824 for (i = 0; i < WCN36XX_HAL_CAPS_SIZE; i++)
1825 wcn->fw_feat_caps[i] = rsp->feat_caps[i];
1826 out:
1827 mutex_unlock(&wcn->hal_mutex);
1828 return ret;
1829 }
1830
1831 int wcn36xx_smd_add_ba_session(struct wcn36xx *wcn,
1832 struct ieee80211_sta *sta,
1833 u16 tid,
1834 u16 *ssn,
1835 u8 direction,
1836 u8 sta_index)
1837 {
1838 struct wcn36xx_hal_add_ba_session_req_msg msg_body;
1839 int ret = 0;
1840
1841 mutex_lock(&wcn->hal_mutex);
1842 INIT_HAL_MSG(msg_body, WCN36XX_HAL_ADD_BA_SESSION_REQ);
1843
1844 msg_body.sta_index = sta_index;
1845 memcpy(&msg_body.mac_addr, sta->addr, ETH_ALEN);
1846 msg_body.dialog_token = 0x10;
1847 msg_body.tid = tid;
1848
1849 /* Immediate BA because Delayed BA is not supported */
1850 msg_body.policy = 1;
1851 msg_body.buffer_size = WCN36XX_AGGR_BUFFER_SIZE;
1852 msg_body.timeout = 0;
1853 if (ssn)
1854 msg_body.ssn = *ssn;
1855 msg_body.direction = direction;
1856
1857 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1858
1859 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1860 if (ret) {
1861 wcn36xx_err("Sending hal_add_ba_session failed\n");
1862 goto out;
1863 }
1864 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1865 if (ret) {
1866 wcn36xx_err("hal_add_ba_session response failed err=%d\n", ret);
1867 goto out;
1868 }
1869 out:
1870 mutex_unlock(&wcn->hal_mutex);
1871 return ret;
1872 }
1873
1874 int wcn36xx_smd_add_ba(struct wcn36xx *wcn)
1875 {
1876 struct wcn36xx_hal_add_ba_req_msg msg_body;
1877 int ret = 0;
1878
1879 mutex_lock(&wcn->hal_mutex);
1880 INIT_HAL_MSG(msg_body, WCN36XX_HAL_ADD_BA_REQ);
1881
1882 msg_body.session_id = 0;
1883 msg_body.win_size = WCN36XX_AGGR_BUFFER_SIZE;
1884
1885 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1886
1887 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1888 if (ret) {
1889 wcn36xx_err("Sending hal_add_ba failed\n");
1890 goto out;
1891 }
1892 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1893 if (ret) {
1894 wcn36xx_err("hal_add_ba response failed err=%d\n", ret);
1895 goto out;
1896 }
1897 out:
1898 mutex_unlock(&wcn->hal_mutex);
1899 return ret;
1900 }
1901
1902 int wcn36xx_smd_del_ba(struct wcn36xx *wcn, u16 tid, u8 sta_index)
1903 {
1904 struct wcn36xx_hal_del_ba_req_msg msg_body;
1905 int ret = 0;
1906
1907 mutex_lock(&wcn->hal_mutex);
1908 INIT_HAL_MSG(msg_body, WCN36XX_HAL_DEL_BA_REQ);
1909
1910 msg_body.sta_index = sta_index;
1911 msg_body.tid = tid;
1912 msg_body.direction = 0;
1913 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1914
1915 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1916 if (ret) {
1917 wcn36xx_err("Sending hal_del_ba failed\n");
1918 goto out;
1919 }
1920 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1921 if (ret) {
1922 wcn36xx_err("hal_del_ba response failed err=%d\n", ret);
1923 goto out;
1924 }
1925 out:
1926 mutex_unlock(&wcn->hal_mutex);
1927 return ret;
1928 }
1929
1930 int wcn36xx_smd_trigger_ba(struct wcn36xx *wcn, u8 sta_index)
1931 {
1932 struct wcn36xx_hal_trigger_ba_req_msg msg_body;
1933 struct wcn36xx_hal_trigger_ba_req_candidate *candidate;
1934 int ret = 0;
1935
1936 mutex_lock(&wcn->hal_mutex);
1937 INIT_HAL_MSG(msg_body, WCN36XX_HAL_TRIGGER_BA_REQ);
1938
1939 msg_body.session_id = 0;
1940 msg_body.candidate_cnt = 1;
1941 msg_body.header.len += sizeof(*candidate);
1942 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1943
1944 candidate = (struct wcn36xx_hal_trigger_ba_req_candidate *)
1945 (wcn->hal_buf + sizeof(msg_body));
1946 candidate->sta_index = sta_index;
1947 candidate->tid_bitmap = 1;
1948
1949 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1950 if (ret) {
1951 wcn36xx_err("Sending hal_trigger_ba failed\n");
1952 goto out;
1953 }
1954 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1955 if (ret) {
1956 wcn36xx_err("hal_trigger_ba response failed err=%d\n", ret);
1957 goto out;
1958 }
1959 out:
1960 mutex_unlock(&wcn->hal_mutex);
1961 return ret;
1962 }
1963
1964 static int wcn36xx_smd_tx_compl_ind(struct wcn36xx *wcn, void *buf, size_t len)
1965 {
1966 struct wcn36xx_hal_tx_compl_ind_msg *rsp = buf;
1967
1968 if (len != sizeof(*rsp)) {
1969 wcn36xx_warn("Bad TX complete indication\n");
1970 return -EIO;
1971 }
1972
1973 wcn36xx_dxe_tx_ack_ind(wcn, rsp->status);
1974
1975 return 0;
1976 }
1977
1978 static int wcn36xx_smd_missed_beacon_ind(struct wcn36xx *wcn,
1979 void *buf,
1980 size_t len)
1981 {
1982 struct wcn36xx_hal_missed_beacon_ind_msg *rsp = buf;
1983 struct ieee80211_vif *vif = NULL;
1984 struct wcn36xx_vif *tmp;
1985
1986 /* Old FW does not have bss index */
1987 if (wcn36xx_is_fw_version(wcn, 1, 2, 2, 24)) {
1988 list_for_each_entry(tmp, &wcn->vif_list, list) {
1989 wcn36xx_dbg(WCN36XX_DBG_HAL, "beacon missed bss_index %d\n",
1990 tmp->bss_index);
1991 vif = container_of((void *)tmp,
1992 struct ieee80211_vif,
1993 drv_priv);
1994 ieee80211_connection_loss(vif);
1995 }
1996 return 0;
1997 }
1998
1999 if (len != sizeof(*rsp)) {
2000 wcn36xx_warn("Corrupted missed beacon indication\n");
2001 return -EIO;
2002 }
2003
2004 list_for_each_entry(tmp, &wcn->vif_list, list) {
2005 if (tmp->bss_index == rsp->bss_index) {
2006 wcn36xx_dbg(WCN36XX_DBG_HAL, "beacon missed bss_index %d\n",
2007 rsp->bss_index);
2008 vif = container_of((void *)tmp,
2009 struct ieee80211_vif,
2010 drv_priv);
2011 ieee80211_connection_loss(vif);
2012 return 0;
2013 }
2014 }
2015
2016 wcn36xx_warn("BSS index %d not found\n", rsp->bss_index);
2017 return -ENOENT;
2018 }
2019
2020 static int wcn36xx_smd_delete_sta_context_ind(struct wcn36xx *wcn,
2021 void *buf,
2022 size_t len)
2023 {
2024 struct wcn36xx_hal_delete_sta_context_ind_msg *rsp = buf;
2025 struct wcn36xx_vif *tmp;
2026 struct ieee80211_sta *sta = NULL;
2027
2028 if (len != sizeof(*rsp)) {
2029 wcn36xx_warn("Corrupted delete sta indication\n");
2030 return -EIO;
2031 }
2032
2033 list_for_each_entry(tmp, &wcn->vif_list, list) {
2034 if (sta && (tmp->sta->sta_index == rsp->sta_id)) {
2035 sta = container_of((void *)tmp->sta,
2036 struct ieee80211_sta,
2037 drv_priv);
2038 wcn36xx_dbg(WCN36XX_DBG_HAL,
2039 "delete station indication %pM index %d\n",
2040 rsp->addr2,
2041 rsp->sta_id);
2042 ieee80211_report_low_ack(sta, 0);
2043 return 0;
2044 }
2045 }
2046
2047 wcn36xx_warn("STA with addr %pM and index %d not found\n",
2048 rsp->addr2,
2049 rsp->sta_id);
2050 return -ENOENT;
2051 }
2052
2053 int wcn36xx_smd_update_cfg(struct wcn36xx *wcn, u32 cfg_id, u32 value)
2054 {
2055 struct wcn36xx_hal_update_cfg_req_msg msg_body, *body;
2056 size_t len;
2057 int ret = 0;
2058
2059 mutex_lock(&wcn->hal_mutex);
2060 INIT_HAL_MSG(msg_body, WCN36XX_HAL_UPDATE_CFG_REQ);
2061
2062 PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
2063
2064 body = (struct wcn36xx_hal_update_cfg_req_msg *) wcn->hal_buf;
2065 len = msg_body.header.len;
2066
2067 put_cfg_tlv_u32(wcn, &len, cfg_id, value);
2068 body->header.len = len;
2069 body->len = len - sizeof(*body);
2070
2071 ret = wcn36xx_smd_send_and_wait(wcn, body->header.len);
2072 if (ret) {
2073 wcn36xx_err("Sending hal_update_cfg failed\n");
2074 goto out;
2075 }
2076 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
2077 if (ret) {
2078 wcn36xx_err("hal_update_cfg response failed err=%d\n", ret);
2079 goto out;
2080 }
2081 out:
2082 mutex_unlock(&wcn->hal_mutex);
2083 return ret;
2084 }
2085 static void wcn36xx_smd_rsp_process(struct wcn36xx *wcn, void *buf, size_t len)
2086 {
2087 struct wcn36xx_hal_msg_header *msg_header = buf;
2088 struct wcn36xx_hal_ind_msg *msg_ind;
2089 wcn36xx_dbg_dump(WCN36XX_DBG_SMD_DUMP, "SMD <<< ", buf, len);
2090
2091 switch (msg_header->msg_type) {
2092 case WCN36XX_HAL_START_RSP:
2093 case WCN36XX_HAL_CONFIG_STA_RSP:
2094 case WCN36XX_HAL_CONFIG_BSS_RSP:
2095 case WCN36XX_HAL_ADD_STA_SELF_RSP:
2096 case WCN36XX_HAL_STOP_RSP:
2097 case WCN36XX_HAL_DEL_STA_SELF_RSP:
2098 case WCN36XX_HAL_DELETE_STA_RSP:
2099 case WCN36XX_HAL_INIT_SCAN_RSP:
2100 case WCN36XX_HAL_START_SCAN_RSP:
2101 case WCN36XX_HAL_END_SCAN_RSP:
2102 case WCN36XX_HAL_FINISH_SCAN_RSP:
2103 case WCN36XX_HAL_DOWNLOAD_NV_RSP:
2104 case WCN36XX_HAL_DELETE_BSS_RSP:
2105 case WCN36XX_HAL_SEND_BEACON_RSP:
2106 case WCN36XX_HAL_SET_LINK_ST_RSP:
2107 case WCN36XX_HAL_UPDATE_PROBE_RSP_TEMPLATE_RSP:
2108 case WCN36XX_HAL_SET_BSSKEY_RSP:
2109 case WCN36XX_HAL_SET_STAKEY_RSP:
2110 case WCN36XX_HAL_RMV_STAKEY_RSP:
2111 case WCN36XX_HAL_RMV_BSSKEY_RSP:
2112 case WCN36XX_HAL_ENTER_BMPS_RSP:
2113 case WCN36XX_HAL_SET_POWER_PARAMS_RSP:
2114 case WCN36XX_HAL_EXIT_BMPS_RSP:
2115 case WCN36XX_HAL_KEEP_ALIVE_RSP:
2116 case WCN36XX_HAL_DUMP_COMMAND_RSP:
2117 case WCN36XX_HAL_ADD_BA_SESSION_RSP:
2118 case WCN36XX_HAL_ADD_BA_RSP:
2119 case WCN36XX_HAL_DEL_BA_RSP:
2120 case WCN36XX_HAL_TRIGGER_BA_RSP:
2121 case WCN36XX_HAL_UPDATE_CFG_RSP:
2122 case WCN36XX_HAL_JOIN_RSP:
2123 case WCN36XX_HAL_UPDATE_SCAN_PARAM_RSP:
2124 case WCN36XX_HAL_CH_SWITCH_RSP:
2125 case WCN36XX_HAL_FEATURE_CAPS_EXCHANGE_RSP:
2126 memcpy(wcn->hal_buf, buf, len);
2127 wcn->hal_rsp_len = len;
2128 complete(&wcn->hal_rsp_compl);
2129 break;
2130
2131 case WCN36XX_HAL_OTA_TX_COMPL_IND:
2132 case WCN36XX_HAL_MISSED_BEACON_IND:
2133 case WCN36XX_HAL_DELETE_STA_CONTEXT_IND:
2134 msg_ind = kmalloc(sizeof(*msg_ind), GFP_KERNEL);
2135 if (!msg_ind)
2136 goto nomem;
2137 msg_ind->msg_len = len;
2138 msg_ind->msg = kmemdup(buf, len, GFP_KERNEL);
2139 if (!msg_ind->msg) {
2140 kfree(msg_ind);
2141 nomem:
2142 /*
2143 * FIXME: Do something smarter then just
2144 * printing an error.
2145 */
2146 wcn36xx_err("Run out of memory while handling SMD_EVENT (%d)\n",
2147 msg_header->msg_type);
2148 break;
2149 }
2150 mutex_lock(&wcn->hal_ind_mutex);
2151 list_add_tail(&msg_ind->list, &wcn->hal_ind_queue);
2152 queue_work(wcn->hal_ind_wq, &wcn->hal_ind_work);
2153 mutex_unlock(&wcn->hal_ind_mutex);
2154 wcn36xx_dbg(WCN36XX_DBG_HAL, "indication arrived\n");
2155 break;
2156 default:
2157 wcn36xx_err("SMD_EVENT (%d) not supported\n",
2158 msg_header->msg_type);
2159 }
2160 }
2161 static void wcn36xx_ind_smd_work(struct work_struct *work)
2162 {
2163 struct wcn36xx *wcn =
2164 container_of(work, struct wcn36xx, hal_ind_work);
2165 struct wcn36xx_hal_msg_header *msg_header;
2166 struct wcn36xx_hal_ind_msg *hal_ind_msg;
2167
2168 mutex_lock(&wcn->hal_ind_mutex);
2169
2170 hal_ind_msg = list_first_entry(&wcn->hal_ind_queue,
2171 struct wcn36xx_hal_ind_msg,
2172 list);
2173
2174 msg_header = (struct wcn36xx_hal_msg_header *)hal_ind_msg->msg;
2175
2176 switch (msg_header->msg_type) {
2177 case WCN36XX_HAL_OTA_TX_COMPL_IND:
2178 wcn36xx_smd_tx_compl_ind(wcn,
2179 hal_ind_msg->msg,
2180 hal_ind_msg->msg_len);
2181 break;
2182 case WCN36XX_HAL_MISSED_BEACON_IND:
2183 wcn36xx_smd_missed_beacon_ind(wcn,
2184 hal_ind_msg->msg,
2185 hal_ind_msg->msg_len);
2186 break;
2187 case WCN36XX_HAL_DELETE_STA_CONTEXT_IND:
2188 wcn36xx_smd_delete_sta_context_ind(wcn,
2189 hal_ind_msg->msg,
2190 hal_ind_msg->msg_len);
2191 break;
2192 default:
2193 wcn36xx_err("SMD_EVENT (%d) not supported\n",
2194 msg_header->msg_type);
2195 }
2196 list_del(wcn->hal_ind_queue.next);
2197 kfree(hal_ind_msg->msg);
2198 kfree(hal_ind_msg);
2199 mutex_unlock(&wcn->hal_ind_mutex);
2200 }
2201 int wcn36xx_smd_open(struct wcn36xx *wcn)
2202 {
2203 int ret = 0;
2204 wcn->hal_ind_wq = create_freezable_workqueue("wcn36xx_smd_ind");
2205 if (!wcn->hal_ind_wq) {
2206 wcn36xx_err("failed to allocate wq\n");
2207 ret = -ENOMEM;
2208 goto out;
2209 }
2210 INIT_WORK(&wcn->hal_ind_work, wcn36xx_ind_smd_work);
2211 INIT_LIST_HEAD(&wcn->hal_ind_queue);
2212 mutex_init(&wcn->hal_ind_mutex);
2213
2214 ret = wcn->ctrl_ops->open(wcn, wcn36xx_smd_rsp_process);
2215 if (ret) {
2216 wcn36xx_err("failed to open control channel\n");
2217 goto free_wq;
2218 }
2219
2220 return ret;
2221
2222 free_wq:
2223 destroy_workqueue(wcn->hal_ind_wq);
2224 out:
2225 return ret;
2226 }
2227
2228 void wcn36xx_smd_close(struct wcn36xx *wcn)
2229 {
2230 wcn->ctrl_ops->close();
2231 destroy_workqueue(wcn->hal_ind_wq);
2232 mutex_destroy(&wcn->hal_ind_mutex);
2233 }
Linux with added FPC-III support