cfg80211: remove enum ieee80211_band
[cascardo/linux.git] / drivers / net / wireless / ath / wcn36xx / smd.c
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 (NL80211_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[NL80211_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 static int wcn36xx_smd_rsp_status_check_v2(struct wcn36xx *wcn, void *buf,
306                                              size_t len)
307 {
308         struct wcn36xx_fw_msg_status_rsp_v2 *rsp;
309
310         if (len < sizeof(struct wcn36xx_hal_msg_header) + sizeof(*rsp))
311                 return wcn36xx_smd_rsp_status_check(buf, len);
312
313         rsp = buf + sizeof(struct wcn36xx_hal_msg_header);
314
315         if (WCN36XX_FW_MSG_RESULT_SUCCESS != rsp->status)
316                 return rsp->status;
317
318         return 0;
319 }
320
321 int wcn36xx_smd_load_nv(struct wcn36xx *wcn)
322 {
323         struct nv_data *nv_d;
324         struct wcn36xx_hal_nv_img_download_req_msg msg_body;
325         int fw_bytes_left;
326         int ret;
327         u16 fm_offset = 0;
328
329         if (!wcn->nv) {
330                 ret = request_firmware(&wcn->nv, WLAN_NV_FILE, wcn->dev);
331                 if (ret) {
332                         wcn36xx_err("Failed to load nv file %s: %d\n",
333                                       WLAN_NV_FILE, ret);
334                         goto out;
335                 }
336         }
337
338         nv_d = (struct nv_data *)wcn->nv->data;
339         INIT_HAL_MSG(msg_body, WCN36XX_HAL_DOWNLOAD_NV_REQ);
340
341         msg_body.header.len += WCN36XX_NV_FRAGMENT_SIZE;
342
343         msg_body.frag_number = 0;
344         /* hal_buf must be protected with  mutex */
345         mutex_lock(&wcn->hal_mutex);
346
347         do {
348                 fw_bytes_left = wcn->nv->size - fm_offset - 4;
349                 if (fw_bytes_left > WCN36XX_NV_FRAGMENT_SIZE) {
350                         msg_body.last_fragment = 0;
351                         msg_body.nv_img_buffer_size = WCN36XX_NV_FRAGMENT_SIZE;
352                 } else {
353                         msg_body.last_fragment = 1;
354                         msg_body.nv_img_buffer_size = fw_bytes_left;
355
356                         /* Do not forget update general message len */
357                         msg_body.header.len = sizeof(msg_body) + fw_bytes_left;
358
359                 }
360
361                 /* Add load NV request message header */
362                 memcpy(wcn->hal_buf, &msg_body, sizeof(msg_body));
363
364                 /* Add NV body itself */
365                 memcpy(wcn->hal_buf + sizeof(msg_body),
366                        &nv_d->table + fm_offset,
367                        msg_body.nv_img_buffer_size);
368
369                 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
370                 if (ret)
371                         goto out_unlock;
372                 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf,
373                                                    wcn->hal_rsp_len);
374                 if (ret) {
375                         wcn36xx_err("hal_load_nv response failed err=%d\n",
376                                     ret);
377                         goto out_unlock;
378                 }
379                 msg_body.frag_number++;
380                 fm_offset += WCN36XX_NV_FRAGMENT_SIZE;
381
382         } while (msg_body.last_fragment != 1);
383
384 out_unlock:
385         mutex_unlock(&wcn->hal_mutex);
386 out:    return ret;
387 }
388
389 static int wcn36xx_smd_start_rsp(struct wcn36xx *wcn, void *buf, size_t len)
390 {
391         struct wcn36xx_hal_mac_start_rsp_msg *rsp;
392
393         if (len < sizeof(*rsp))
394                 return -EIO;
395
396         rsp = (struct wcn36xx_hal_mac_start_rsp_msg *)buf;
397
398         if (WCN36XX_FW_MSG_RESULT_SUCCESS != rsp->start_rsp_params.status)
399                 return -EIO;
400
401         memcpy(wcn->crm_version, rsp->start_rsp_params.crm_version,
402                WCN36XX_HAL_VERSION_LENGTH);
403         memcpy(wcn->wlan_version, rsp->start_rsp_params.wlan_version,
404                WCN36XX_HAL_VERSION_LENGTH);
405
406         /* null terminate the strings, just in case */
407         wcn->crm_version[WCN36XX_HAL_VERSION_LENGTH] = '\0';
408         wcn->wlan_version[WCN36XX_HAL_VERSION_LENGTH] = '\0';
409
410         wcn->fw_revision = rsp->start_rsp_params.version.revision;
411         wcn->fw_version = rsp->start_rsp_params.version.version;
412         wcn->fw_minor = rsp->start_rsp_params.version.minor;
413         wcn->fw_major = rsp->start_rsp_params.version.major;
414
415         wcn36xx_info("firmware WLAN version '%s' and CRM version '%s'\n",
416                      wcn->wlan_version, wcn->crm_version);
417
418         wcn36xx_info("firmware API %u.%u.%u.%u, %u stations, %u bssids\n",
419                      wcn->fw_major, wcn->fw_minor,
420                      wcn->fw_version, wcn->fw_revision,
421                      rsp->start_rsp_params.stations,
422                      rsp->start_rsp_params.bssids);
423
424         return 0;
425 }
426
427 int wcn36xx_smd_start(struct wcn36xx *wcn)
428 {
429         struct wcn36xx_hal_mac_start_req_msg msg_body, *body;
430         int ret = 0;
431         int i;
432         size_t len;
433
434         mutex_lock(&wcn->hal_mutex);
435         INIT_HAL_MSG(msg_body, WCN36XX_HAL_START_REQ);
436
437         msg_body.params.type = DRIVER_TYPE_PRODUCTION;
438         msg_body.params.len = 0;
439
440         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
441
442         body = (struct wcn36xx_hal_mac_start_req_msg *)wcn->hal_buf;
443         len = body->header.len;
444
445         for (i = 0; i < ARRAY_SIZE(wcn36xx_cfg_vals); i++) {
446                 ret = put_cfg_tlv_u32(wcn, &len, wcn36xx_cfg_vals[i].cfg_id,
447                                       wcn36xx_cfg_vals[i].value);
448                 if (ret)
449                         goto out;
450         }
451         body->header.len = len;
452         body->params.len = len - sizeof(*body);
453
454         wcn36xx_dbg(WCN36XX_DBG_HAL, "hal start type %d\n",
455                     msg_body.params.type);
456
457         ret = wcn36xx_smd_send_and_wait(wcn, body->header.len);
458         if (ret) {
459                 wcn36xx_err("Sending hal_start failed\n");
460                 goto out;
461         }
462
463         ret = wcn36xx_smd_start_rsp(wcn, wcn->hal_buf, wcn->hal_rsp_len);
464         if (ret) {
465                 wcn36xx_err("hal_start response failed err=%d\n", ret);
466                 goto out;
467         }
468
469 out:
470         mutex_unlock(&wcn->hal_mutex);
471         return ret;
472 }
473
474 int wcn36xx_smd_stop(struct wcn36xx *wcn)
475 {
476         struct wcn36xx_hal_mac_stop_req_msg msg_body;
477         int ret = 0;
478
479         mutex_lock(&wcn->hal_mutex);
480         INIT_HAL_MSG(msg_body, WCN36XX_HAL_STOP_REQ);
481
482         msg_body.stop_req_params.reason = HAL_STOP_TYPE_RF_KILL;
483
484         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
485
486         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
487         if (ret) {
488                 wcn36xx_err("Sending hal_stop failed\n");
489                 goto out;
490         }
491         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
492         if (ret) {
493                 wcn36xx_err("hal_stop response failed err=%d\n", ret);
494                 goto out;
495         }
496 out:
497         mutex_unlock(&wcn->hal_mutex);
498         return ret;
499 }
500
501 int wcn36xx_smd_init_scan(struct wcn36xx *wcn, enum wcn36xx_hal_sys_mode mode)
502 {
503         struct wcn36xx_hal_init_scan_req_msg msg_body;
504         int ret = 0;
505
506         mutex_lock(&wcn->hal_mutex);
507         INIT_HAL_MSG(msg_body, WCN36XX_HAL_INIT_SCAN_REQ);
508
509         msg_body.mode = mode;
510
511         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
512
513         wcn36xx_dbg(WCN36XX_DBG_HAL, "hal init scan mode %d\n", msg_body.mode);
514
515         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
516         if (ret) {
517                 wcn36xx_err("Sending hal_init_scan failed\n");
518                 goto out;
519         }
520         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
521         if (ret) {
522                 wcn36xx_err("hal_init_scan response failed err=%d\n", ret);
523                 goto out;
524         }
525 out:
526         mutex_unlock(&wcn->hal_mutex);
527         return ret;
528 }
529
530 int wcn36xx_smd_start_scan(struct wcn36xx *wcn)
531 {
532         struct wcn36xx_hal_start_scan_req_msg msg_body;
533         int ret = 0;
534
535         mutex_lock(&wcn->hal_mutex);
536         INIT_HAL_MSG(msg_body, WCN36XX_HAL_START_SCAN_REQ);
537
538         msg_body.scan_channel = WCN36XX_HW_CHANNEL(wcn);
539
540         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
541
542         wcn36xx_dbg(WCN36XX_DBG_HAL, "hal start scan channel %d\n",
543                     msg_body.scan_channel);
544
545         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
546         if (ret) {
547                 wcn36xx_err("Sending hal_start_scan failed\n");
548                 goto out;
549         }
550         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
551         if (ret) {
552                 wcn36xx_err("hal_start_scan response failed err=%d\n", ret);
553                 goto out;
554         }
555 out:
556         mutex_unlock(&wcn->hal_mutex);
557         return ret;
558 }
559
560 int wcn36xx_smd_end_scan(struct wcn36xx *wcn)
561 {
562         struct wcn36xx_hal_end_scan_req_msg msg_body;
563         int ret = 0;
564
565         mutex_lock(&wcn->hal_mutex);
566         INIT_HAL_MSG(msg_body, WCN36XX_HAL_END_SCAN_REQ);
567
568         msg_body.scan_channel = WCN36XX_HW_CHANNEL(wcn);
569
570         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
571
572         wcn36xx_dbg(WCN36XX_DBG_HAL, "hal end scan channel %d\n",
573                     msg_body.scan_channel);
574
575         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
576         if (ret) {
577                 wcn36xx_err("Sending hal_end_scan failed\n");
578                 goto out;
579         }
580         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
581         if (ret) {
582                 wcn36xx_err("hal_end_scan response failed err=%d\n", ret);
583                 goto out;
584         }
585 out:
586         mutex_unlock(&wcn->hal_mutex);
587         return ret;
588 }
589
590 int wcn36xx_smd_finish_scan(struct wcn36xx *wcn,
591                             enum wcn36xx_hal_sys_mode mode)
592 {
593         struct wcn36xx_hal_finish_scan_req_msg msg_body;
594         int ret = 0;
595
596         mutex_lock(&wcn->hal_mutex);
597         INIT_HAL_MSG(msg_body, WCN36XX_HAL_FINISH_SCAN_REQ);
598
599         msg_body.mode = mode;
600
601         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
602
603         wcn36xx_dbg(WCN36XX_DBG_HAL, "hal finish scan mode %d\n",
604                     msg_body.mode);
605
606         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
607         if (ret) {
608                 wcn36xx_err("Sending hal_finish_scan failed\n");
609                 goto out;
610         }
611         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
612         if (ret) {
613                 wcn36xx_err("hal_finish_scan response failed err=%d\n", ret);
614                 goto out;
615         }
616 out:
617         mutex_unlock(&wcn->hal_mutex);
618         return ret;
619 }
620
621 static int wcn36xx_smd_switch_channel_rsp(void *buf, size_t len)
622 {
623         struct wcn36xx_hal_switch_channel_rsp_msg *rsp;
624         int ret = 0;
625
626         ret = wcn36xx_smd_rsp_status_check(buf, len);
627         if (ret)
628                 return ret;
629         rsp = (struct wcn36xx_hal_switch_channel_rsp_msg *)buf;
630         wcn36xx_dbg(WCN36XX_DBG_HAL, "channel switched to: %d, status: %d\n",
631                     rsp->channel_number, rsp->status);
632         return ret;
633 }
634
635 int wcn36xx_smd_switch_channel(struct wcn36xx *wcn,
636                                struct ieee80211_vif *vif, int ch)
637 {
638         struct wcn36xx_hal_switch_channel_req_msg msg_body;
639         int ret = 0;
640
641         mutex_lock(&wcn->hal_mutex);
642         INIT_HAL_MSG(msg_body, WCN36XX_HAL_CH_SWITCH_REQ);
643
644         msg_body.channel_number = (u8)ch;
645         msg_body.tx_mgmt_power = 0xbf;
646         msg_body.max_tx_power = 0xbf;
647         memcpy(msg_body.self_sta_mac_addr, vif->addr, ETH_ALEN);
648
649         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
650
651         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
652         if (ret) {
653                 wcn36xx_err("Sending hal_switch_channel failed\n");
654                 goto out;
655         }
656         ret = wcn36xx_smd_switch_channel_rsp(wcn->hal_buf, wcn->hal_rsp_len);
657         if (ret) {
658                 wcn36xx_err("hal_switch_channel response failed err=%d\n", ret);
659                 goto out;
660         }
661 out:
662         mutex_unlock(&wcn->hal_mutex);
663         return ret;
664 }
665
666 static int wcn36xx_smd_update_scan_params_rsp(void *buf, size_t len)
667 {
668         struct wcn36xx_hal_update_scan_params_resp *rsp;
669
670         rsp = (struct wcn36xx_hal_update_scan_params_resp *)buf;
671
672         /* Remove the PNO version bit */
673         rsp->status &= (~(WCN36XX_FW_MSG_PNO_VERSION_MASK));
674
675         if (WCN36XX_FW_MSG_RESULT_SUCCESS != rsp->status) {
676                 wcn36xx_warn("error response from update scan\n");
677                 return rsp->status;
678         }
679
680         return 0;
681 }
682
683 int wcn36xx_smd_update_scan_params(struct wcn36xx *wcn)
684 {
685         struct wcn36xx_hal_update_scan_params_req msg_body;
686         int ret = 0;
687
688         mutex_lock(&wcn->hal_mutex);
689         INIT_HAL_MSG(msg_body, WCN36XX_HAL_UPDATE_SCAN_PARAM_REQ);
690
691         msg_body.dot11d_enabled = 0;
692         msg_body.dot11d_resolved = 0;
693         msg_body.channel_count = 26;
694         msg_body.active_min_ch_time = 60;
695         msg_body.active_max_ch_time = 120;
696         msg_body.passive_min_ch_time = 60;
697         msg_body.passive_max_ch_time = 110;
698         msg_body.state = 0;
699
700         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
701
702         wcn36xx_dbg(WCN36XX_DBG_HAL,
703                     "hal update scan params channel_count %d\n",
704                     msg_body.channel_count);
705
706         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
707         if (ret) {
708                 wcn36xx_err("Sending hal_update_scan_params failed\n");
709                 goto out;
710         }
711         ret = wcn36xx_smd_update_scan_params_rsp(wcn->hal_buf,
712                                                  wcn->hal_rsp_len);
713         if (ret) {
714                 wcn36xx_err("hal_update_scan_params response failed err=%d\n",
715                             ret);
716                 goto out;
717         }
718 out:
719         mutex_unlock(&wcn->hal_mutex);
720         return ret;
721 }
722
723 static int wcn36xx_smd_add_sta_self_rsp(struct wcn36xx *wcn,
724                                         struct ieee80211_vif *vif,
725                                         void *buf,
726                                         size_t len)
727 {
728         struct wcn36xx_hal_add_sta_self_rsp_msg *rsp;
729         struct wcn36xx_vif *priv_vif = (struct wcn36xx_vif *)vif->drv_priv;
730
731         if (len < sizeof(*rsp))
732                 return -EINVAL;
733
734         rsp = (struct wcn36xx_hal_add_sta_self_rsp_msg *)buf;
735
736         if (rsp->status != WCN36XX_FW_MSG_RESULT_SUCCESS) {
737                 wcn36xx_warn("hal add sta self failure: %d\n",
738                              rsp->status);
739                 return rsp->status;
740         }
741
742         wcn36xx_dbg(WCN36XX_DBG_HAL,
743                     "hal add sta self status %d self_sta_index %d dpu_index %d\n",
744                     rsp->status, rsp->self_sta_index, rsp->dpu_index);
745
746         priv_vif->self_sta_index = rsp->self_sta_index;
747         priv_vif->self_dpu_desc_index = rsp->dpu_index;
748
749         return 0;
750 }
751
752 int wcn36xx_smd_add_sta_self(struct wcn36xx *wcn, struct ieee80211_vif *vif)
753 {
754         struct wcn36xx_hal_add_sta_self_req msg_body;
755         int ret = 0;
756
757         mutex_lock(&wcn->hal_mutex);
758         INIT_HAL_MSG(msg_body, WCN36XX_HAL_ADD_STA_SELF_REQ);
759
760         memcpy(&msg_body.self_addr, vif->addr, ETH_ALEN);
761
762         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
763
764         wcn36xx_dbg(WCN36XX_DBG_HAL,
765                     "hal add sta self self_addr %pM status %d\n",
766                     msg_body.self_addr, msg_body.status);
767
768         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
769         if (ret) {
770                 wcn36xx_err("Sending hal_add_sta_self failed\n");
771                 goto out;
772         }
773         ret = wcn36xx_smd_add_sta_self_rsp(wcn,
774                                            vif,
775                                            wcn->hal_buf,
776                                            wcn->hal_rsp_len);
777         if (ret) {
778                 wcn36xx_err("hal_add_sta_self response failed err=%d\n", ret);
779                 goto out;
780         }
781 out:
782         mutex_unlock(&wcn->hal_mutex);
783         return ret;
784 }
785
786 int wcn36xx_smd_delete_sta_self(struct wcn36xx *wcn, u8 *addr)
787 {
788         struct wcn36xx_hal_del_sta_self_req_msg msg_body;
789         int ret = 0;
790
791         mutex_lock(&wcn->hal_mutex);
792         INIT_HAL_MSG(msg_body, WCN36XX_HAL_DEL_STA_SELF_REQ);
793
794         memcpy(&msg_body.self_addr, addr, ETH_ALEN);
795
796         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
797
798         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
799         if (ret) {
800                 wcn36xx_err("Sending hal_delete_sta_self failed\n");
801                 goto out;
802         }
803         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
804         if (ret) {
805                 wcn36xx_err("hal_delete_sta_self response failed err=%d\n",
806                             ret);
807                 goto out;
808         }
809 out:
810         mutex_unlock(&wcn->hal_mutex);
811         return ret;
812 }
813
814 int wcn36xx_smd_delete_sta(struct wcn36xx *wcn, u8 sta_index)
815 {
816         struct wcn36xx_hal_delete_sta_req_msg msg_body;
817         int ret = 0;
818
819         mutex_lock(&wcn->hal_mutex);
820         INIT_HAL_MSG(msg_body, WCN36XX_HAL_DELETE_STA_REQ);
821
822         msg_body.sta_index = sta_index;
823
824         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
825
826         wcn36xx_dbg(WCN36XX_DBG_HAL,
827                     "hal delete sta sta_index %d\n",
828                     msg_body.sta_index);
829
830         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
831         if (ret) {
832                 wcn36xx_err("Sending hal_delete_sta failed\n");
833                 goto out;
834         }
835         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
836         if (ret) {
837                 wcn36xx_err("hal_delete_sta response failed err=%d\n", ret);
838                 goto out;
839         }
840 out:
841         mutex_unlock(&wcn->hal_mutex);
842         return ret;
843 }
844
845 static int wcn36xx_smd_join_rsp(void *buf, size_t len)
846 {
847         struct wcn36xx_hal_join_rsp_msg *rsp;
848
849         if (wcn36xx_smd_rsp_status_check(buf, len))
850                 return -EIO;
851
852         rsp = (struct wcn36xx_hal_join_rsp_msg *)buf;
853
854         wcn36xx_dbg(WCN36XX_DBG_HAL,
855                     "hal rsp join status %d tx_mgmt_power %d\n",
856                     rsp->status, rsp->tx_mgmt_power);
857
858         return 0;
859 }
860
861 int wcn36xx_smd_join(struct wcn36xx *wcn, const u8 *bssid, u8 *vif, u8 ch)
862 {
863         struct wcn36xx_hal_join_req_msg msg_body;
864         int ret = 0;
865
866         mutex_lock(&wcn->hal_mutex);
867         INIT_HAL_MSG(msg_body, WCN36XX_HAL_JOIN_REQ);
868
869         memcpy(&msg_body.bssid, bssid, ETH_ALEN);
870         memcpy(&msg_body.self_sta_mac_addr, vif, ETH_ALEN);
871         msg_body.channel = ch;
872
873         if (conf_is_ht40_minus(&wcn->hw->conf))
874                 msg_body.secondary_channel_offset =
875                         PHY_DOUBLE_CHANNEL_HIGH_PRIMARY;
876         else if (conf_is_ht40_plus(&wcn->hw->conf))
877                 msg_body.secondary_channel_offset =
878                         PHY_DOUBLE_CHANNEL_LOW_PRIMARY;
879         else
880                 msg_body.secondary_channel_offset =
881                         PHY_SINGLE_CHANNEL_CENTERED;
882
883         msg_body.link_state = WCN36XX_HAL_LINK_PREASSOC_STATE;
884
885         msg_body.max_tx_power = 0xbf;
886         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
887
888         wcn36xx_dbg(WCN36XX_DBG_HAL,
889                     "hal join req bssid %pM self_sta_mac_addr %pM channel %d link_state %d\n",
890                     msg_body.bssid, msg_body.self_sta_mac_addr,
891                     msg_body.channel, msg_body.link_state);
892
893         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
894         if (ret) {
895                 wcn36xx_err("Sending hal_join failed\n");
896                 goto out;
897         }
898         ret = wcn36xx_smd_join_rsp(wcn->hal_buf, wcn->hal_rsp_len);
899         if (ret) {
900                 wcn36xx_err("hal_join response failed err=%d\n", ret);
901                 goto out;
902         }
903 out:
904         mutex_unlock(&wcn->hal_mutex);
905         return ret;
906 }
907
908 int wcn36xx_smd_set_link_st(struct wcn36xx *wcn, const u8 *bssid,
909                             const u8 *sta_mac,
910                             enum wcn36xx_hal_link_state state)
911 {
912         struct wcn36xx_hal_set_link_state_req_msg msg_body;
913         int ret = 0;
914
915         mutex_lock(&wcn->hal_mutex);
916         INIT_HAL_MSG(msg_body, WCN36XX_HAL_SET_LINK_ST_REQ);
917
918         memcpy(&msg_body.bssid, bssid, ETH_ALEN);
919         memcpy(&msg_body.self_mac_addr, sta_mac, ETH_ALEN);
920         msg_body.state = state;
921
922         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
923
924         wcn36xx_dbg(WCN36XX_DBG_HAL,
925                     "hal set link state bssid %pM self_mac_addr %pM state %d\n",
926                     msg_body.bssid, msg_body.self_mac_addr, msg_body.state);
927
928         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
929         if (ret) {
930                 wcn36xx_err("Sending hal_set_link_st failed\n");
931                 goto out;
932         }
933         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
934         if (ret) {
935                 wcn36xx_err("hal_set_link_st response failed err=%d\n", ret);
936                 goto out;
937         }
938 out:
939         mutex_unlock(&wcn->hal_mutex);
940         return ret;
941 }
942
943 static void wcn36xx_smd_convert_sta_to_v1(struct wcn36xx *wcn,
944                         const struct wcn36xx_hal_config_sta_params *orig,
945                         struct wcn36xx_hal_config_sta_params_v1 *v1)
946 {
947         /* convert orig to v1 format */
948         memcpy(&v1->bssid, orig->bssid, ETH_ALEN);
949         memcpy(&v1->mac, orig->mac, ETH_ALEN);
950         v1->aid = orig->aid;
951         v1->type = orig->type;
952         v1->listen_interval = orig->listen_interval;
953         v1->ht_capable = orig->ht_capable;
954
955         v1->max_ampdu_size = orig->max_ampdu_size;
956         v1->max_ampdu_density = orig->max_ampdu_density;
957         v1->sgi_40mhz = orig->sgi_40mhz;
958         v1->sgi_20Mhz = orig->sgi_20Mhz;
959
960         memcpy(&v1->supported_rates, &orig->supported_rates,
961                sizeof(orig->supported_rates));
962         v1->sta_index = orig->sta_index;
963 }
964
965 static int wcn36xx_smd_config_sta_rsp(struct wcn36xx *wcn,
966                                       struct ieee80211_sta *sta,
967                                       void *buf,
968                                       size_t len)
969 {
970         struct wcn36xx_hal_config_sta_rsp_msg *rsp;
971         struct config_sta_rsp_params *params;
972         struct wcn36xx_sta *sta_priv = (struct wcn36xx_sta *)sta->drv_priv;
973
974         if (len < sizeof(*rsp))
975                 return -EINVAL;
976
977         rsp = (struct wcn36xx_hal_config_sta_rsp_msg *)buf;
978         params = &rsp->params;
979
980         if (params->status != WCN36XX_FW_MSG_RESULT_SUCCESS) {
981                 wcn36xx_warn("hal config sta response failure: %d\n",
982                              params->status);
983                 return -EIO;
984         }
985
986         sta_priv->sta_index = params->sta_index;
987         sta_priv->dpu_desc_index = params->dpu_index;
988         sta_priv->ucast_dpu_sign = params->uc_ucast_sig;
989
990         wcn36xx_dbg(WCN36XX_DBG_HAL,
991                     "hal config sta rsp status %d sta_index %d bssid_index %d uc_ucast_sig %d p2p %d\n",
992                     params->status, params->sta_index, params->bssid_index,
993                     params->uc_ucast_sig, params->p2p);
994
995         return 0;
996 }
997
998 static int wcn36xx_smd_config_sta_v1(struct wcn36xx *wcn,
999                      const struct wcn36xx_hal_config_sta_req_msg *orig)
1000 {
1001         struct wcn36xx_hal_config_sta_req_msg_v1 msg_body;
1002         struct wcn36xx_hal_config_sta_params_v1 *sta = &msg_body.sta_params;
1003
1004         INIT_HAL_MSG(msg_body, WCN36XX_HAL_CONFIG_STA_REQ);
1005
1006         wcn36xx_smd_convert_sta_to_v1(wcn, &orig->sta_params,
1007                                       &msg_body.sta_params);
1008
1009         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1010
1011         wcn36xx_dbg(WCN36XX_DBG_HAL,
1012                     "hal config sta v1 action %d sta_index %d bssid_index %d bssid %pM type %d mac %pM aid %d\n",
1013                     sta->action, sta->sta_index, sta->bssid_index,
1014                     sta->bssid, sta->type, sta->mac, sta->aid);
1015
1016         return wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1017 }
1018
1019 int wcn36xx_smd_config_sta(struct wcn36xx *wcn, struct ieee80211_vif *vif,
1020                            struct ieee80211_sta *sta)
1021 {
1022         struct wcn36xx_hal_config_sta_req_msg msg;
1023         struct wcn36xx_hal_config_sta_params *sta_params;
1024         int ret = 0;
1025
1026         mutex_lock(&wcn->hal_mutex);
1027         INIT_HAL_MSG(msg, WCN36XX_HAL_CONFIG_STA_REQ);
1028
1029         sta_params = &msg.sta_params;
1030
1031         wcn36xx_smd_set_sta_params(wcn, vif, sta, sta_params);
1032
1033         if (!wcn36xx_is_fw_version(wcn, 1, 2, 2, 24)) {
1034                 ret = wcn36xx_smd_config_sta_v1(wcn, &msg);
1035         } else {
1036                 PREPARE_HAL_BUF(wcn->hal_buf, msg);
1037
1038                 wcn36xx_dbg(WCN36XX_DBG_HAL,
1039                             "hal config sta action %d sta_index %d bssid_index %d bssid %pM type %d mac %pM aid %d\n",
1040                             sta_params->action, sta_params->sta_index,
1041                             sta_params->bssid_index, sta_params->bssid,
1042                             sta_params->type, sta_params->mac, sta_params->aid);
1043
1044                 ret = wcn36xx_smd_send_and_wait(wcn, msg.header.len);
1045         }
1046         if (ret) {
1047                 wcn36xx_err("Sending hal_config_sta failed\n");
1048                 goto out;
1049         }
1050         ret = wcn36xx_smd_config_sta_rsp(wcn,
1051                                          sta,
1052                                          wcn->hal_buf,
1053                                          wcn->hal_rsp_len);
1054         if (ret) {
1055                 wcn36xx_err("hal_config_sta response failed err=%d\n", ret);
1056                 goto out;
1057         }
1058 out:
1059         mutex_unlock(&wcn->hal_mutex);
1060         return ret;
1061 }
1062
1063 static int wcn36xx_smd_config_bss_v1(struct wcn36xx *wcn,
1064                         const struct wcn36xx_hal_config_bss_req_msg *orig)
1065 {
1066         struct wcn36xx_hal_config_bss_req_msg_v1 msg_body;
1067         struct wcn36xx_hal_config_bss_params_v1 *bss = &msg_body.bss_params;
1068         struct wcn36xx_hal_config_sta_params_v1 *sta = &bss->sta;
1069
1070         INIT_HAL_MSG(msg_body, WCN36XX_HAL_CONFIG_BSS_REQ);
1071
1072         /* convert orig to v1 */
1073         memcpy(&msg_body.bss_params.bssid,
1074                &orig->bss_params.bssid, ETH_ALEN);
1075         memcpy(&msg_body.bss_params.self_mac_addr,
1076                &orig->bss_params.self_mac_addr, ETH_ALEN);
1077
1078         msg_body.bss_params.bss_type = orig->bss_params.bss_type;
1079         msg_body.bss_params.oper_mode = orig->bss_params.oper_mode;
1080         msg_body.bss_params.nw_type = orig->bss_params.nw_type;
1081
1082         msg_body.bss_params.short_slot_time_supported =
1083                 orig->bss_params.short_slot_time_supported;
1084         msg_body.bss_params.lla_coexist = orig->bss_params.lla_coexist;
1085         msg_body.bss_params.llb_coexist = orig->bss_params.llb_coexist;
1086         msg_body.bss_params.llg_coexist = orig->bss_params.llg_coexist;
1087         msg_body.bss_params.ht20_coexist = orig->bss_params.ht20_coexist;
1088         msg_body.bss_params.lln_non_gf_coexist =
1089                 orig->bss_params.lln_non_gf_coexist;
1090
1091         msg_body.bss_params.lsig_tx_op_protection_full_support =
1092                 orig->bss_params.lsig_tx_op_protection_full_support;
1093         msg_body.bss_params.rifs_mode = orig->bss_params.rifs_mode;
1094         msg_body.bss_params.beacon_interval = orig->bss_params.beacon_interval;
1095         msg_body.bss_params.dtim_period = orig->bss_params.dtim_period;
1096         msg_body.bss_params.tx_channel_width_set =
1097                 orig->bss_params.tx_channel_width_set;
1098         msg_body.bss_params.oper_channel = orig->bss_params.oper_channel;
1099         msg_body.bss_params.ext_channel = orig->bss_params.ext_channel;
1100
1101         msg_body.bss_params.reserved = orig->bss_params.reserved;
1102
1103         memcpy(&msg_body.bss_params.ssid,
1104                &orig->bss_params.ssid,
1105                sizeof(orig->bss_params.ssid));
1106
1107         msg_body.bss_params.action = orig->bss_params.action;
1108         msg_body.bss_params.rateset = orig->bss_params.rateset;
1109         msg_body.bss_params.ht = orig->bss_params.ht;
1110         msg_body.bss_params.obss_prot_enabled =
1111                 orig->bss_params.obss_prot_enabled;
1112         msg_body.bss_params.rmf = orig->bss_params.rmf;
1113         msg_body.bss_params.ht_oper_mode = orig->bss_params.ht_oper_mode;
1114         msg_body.bss_params.dual_cts_protection =
1115                 orig->bss_params.dual_cts_protection;
1116
1117         msg_body.bss_params.max_probe_resp_retry_limit =
1118                 orig->bss_params.max_probe_resp_retry_limit;
1119         msg_body.bss_params.hidden_ssid = orig->bss_params.hidden_ssid;
1120         msg_body.bss_params.proxy_probe_resp =
1121                 orig->bss_params.proxy_probe_resp;
1122         msg_body.bss_params.edca_params_valid =
1123                 orig->bss_params.edca_params_valid;
1124
1125         memcpy(&msg_body.bss_params.acbe,
1126                &orig->bss_params.acbe,
1127                sizeof(orig->bss_params.acbe));
1128         memcpy(&msg_body.bss_params.acbk,
1129                &orig->bss_params.acbk,
1130                sizeof(orig->bss_params.acbk));
1131         memcpy(&msg_body.bss_params.acvi,
1132                &orig->bss_params.acvi,
1133                sizeof(orig->bss_params.acvi));
1134         memcpy(&msg_body.bss_params.acvo,
1135                &orig->bss_params.acvo,
1136                sizeof(orig->bss_params.acvo));
1137
1138         msg_body.bss_params.ext_set_sta_key_param_valid =
1139                 orig->bss_params.ext_set_sta_key_param_valid;
1140
1141         memcpy(&msg_body.bss_params.ext_set_sta_key_param,
1142                &orig->bss_params.ext_set_sta_key_param,
1143                sizeof(orig->bss_params.acvo));
1144
1145         msg_body.bss_params.wcn36xx_hal_persona =
1146                 orig->bss_params.wcn36xx_hal_persona;
1147         msg_body.bss_params.spectrum_mgt_enable =
1148                 orig->bss_params.spectrum_mgt_enable;
1149         msg_body.bss_params.tx_mgmt_power = orig->bss_params.tx_mgmt_power;
1150         msg_body.bss_params.max_tx_power = orig->bss_params.max_tx_power;
1151
1152         wcn36xx_smd_convert_sta_to_v1(wcn, &orig->bss_params.sta,
1153                                       &msg_body.bss_params.sta);
1154
1155         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1156
1157         wcn36xx_dbg(WCN36XX_DBG_HAL,
1158                     "hal config bss v1 bssid %pM self_mac_addr %pM bss_type %d oper_mode %d nw_type %d\n",
1159                     bss->bssid, bss->self_mac_addr, bss->bss_type,
1160                     bss->oper_mode, bss->nw_type);
1161
1162         wcn36xx_dbg(WCN36XX_DBG_HAL,
1163                     "- sta bssid %pM action %d sta_index %d bssid_index %d aid %d type %d mac %pM\n",
1164                     sta->bssid, sta->action, sta->sta_index,
1165                     sta->bssid_index, sta->aid, sta->type, sta->mac);
1166
1167         return wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1168 }
1169
1170
1171 static int wcn36xx_smd_config_bss_rsp(struct wcn36xx *wcn,
1172                                       struct ieee80211_vif *vif,
1173                                       void *buf,
1174                                       size_t len)
1175 {
1176         struct wcn36xx_hal_config_bss_rsp_msg *rsp;
1177         struct wcn36xx_hal_config_bss_rsp_params *params;
1178         struct wcn36xx_vif *priv_vif = (struct wcn36xx_vif *)vif->drv_priv;
1179
1180         if (len < sizeof(*rsp))
1181                 return -EINVAL;
1182
1183         rsp = (struct wcn36xx_hal_config_bss_rsp_msg *)buf;
1184         params = &rsp->bss_rsp_params;
1185
1186         if (params->status != WCN36XX_FW_MSG_RESULT_SUCCESS) {
1187                 wcn36xx_warn("hal config bss response failure: %d\n",
1188                              params->status);
1189                 return -EIO;
1190         }
1191
1192         wcn36xx_dbg(WCN36XX_DBG_HAL,
1193                     "hal config bss rsp status %d bss_idx %d dpu_desc_index %d"
1194                     " sta_idx %d self_idx %d bcast_idx %d mac %pM"
1195                     " power %d ucast_dpu_signature %d\n",
1196                     params->status, params->bss_index, params->dpu_desc_index,
1197                     params->bss_sta_index, params->bss_self_sta_index,
1198                     params->bss_bcast_sta_idx, params->mac,
1199                     params->tx_mgmt_power, params->ucast_dpu_signature);
1200
1201         priv_vif->bss_index = params->bss_index;
1202
1203         if (priv_vif->sta) {
1204                 priv_vif->sta->bss_sta_index =  params->bss_sta_index;
1205                 priv_vif->sta->bss_dpu_desc_index = params->dpu_desc_index;
1206         }
1207
1208         priv_vif->self_ucast_dpu_sign = params->ucast_dpu_signature;
1209
1210         return 0;
1211 }
1212
1213 int wcn36xx_smd_config_bss(struct wcn36xx *wcn, struct ieee80211_vif *vif,
1214                            struct ieee80211_sta *sta, const u8 *bssid,
1215                            bool update)
1216 {
1217         struct wcn36xx_hal_config_bss_req_msg msg;
1218         struct wcn36xx_hal_config_bss_params *bss;
1219         struct wcn36xx_hal_config_sta_params *sta_params;
1220         struct wcn36xx_vif *vif_priv = (struct wcn36xx_vif *)vif->drv_priv;
1221         int ret = 0;
1222
1223         mutex_lock(&wcn->hal_mutex);
1224         INIT_HAL_MSG(msg, WCN36XX_HAL_CONFIG_BSS_REQ);
1225
1226         bss = &msg.bss_params;
1227         sta_params = &bss->sta;
1228
1229         WARN_ON(is_zero_ether_addr(bssid));
1230
1231         memcpy(&bss->bssid, bssid, ETH_ALEN);
1232
1233         memcpy(bss->self_mac_addr, vif->addr, ETH_ALEN);
1234
1235         if (vif->type == NL80211_IFTYPE_STATION) {
1236                 bss->bss_type = WCN36XX_HAL_INFRASTRUCTURE_MODE;
1237
1238                 /* STA */
1239                 bss->oper_mode = 1;
1240                 bss->wcn36xx_hal_persona = WCN36XX_HAL_STA_MODE;
1241         } else if (vif->type == NL80211_IFTYPE_AP ||
1242                    vif->type == NL80211_IFTYPE_MESH_POINT) {
1243                 bss->bss_type = WCN36XX_HAL_INFRA_AP_MODE;
1244
1245                 /* AP */
1246                 bss->oper_mode = 0;
1247                 bss->wcn36xx_hal_persona = WCN36XX_HAL_STA_SAP_MODE;
1248         } else if (vif->type == NL80211_IFTYPE_ADHOC) {
1249                 bss->bss_type = WCN36XX_HAL_IBSS_MODE;
1250
1251                 /* STA */
1252                 bss->oper_mode = 1;
1253         } else {
1254                 wcn36xx_warn("Unknown type for bss config: %d\n", vif->type);
1255         }
1256
1257         if (vif->type == NL80211_IFTYPE_STATION)
1258                 wcn36xx_smd_set_bss_nw_type(wcn, sta, bss);
1259         else
1260                 bss->nw_type = WCN36XX_HAL_11N_NW_TYPE;
1261
1262         bss->short_slot_time_supported = vif->bss_conf.use_short_slot;
1263         bss->lla_coexist = 0;
1264         bss->llb_coexist = 0;
1265         bss->llg_coexist = 0;
1266         bss->rifs_mode = 0;
1267         bss->beacon_interval = vif->bss_conf.beacon_int;
1268         bss->dtim_period = vif_priv->dtim_period;
1269
1270         wcn36xx_smd_set_bss_ht_params(vif, sta, bss);
1271
1272         bss->oper_channel = WCN36XX_HW_CHANNEL(wcn);
1273
1274         if (conf_is_ht40_minus(&wcn->hw->conf))
1275                 bss->ext_channel = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
1276         else if (conf_is_ht40_plus(&wcn->hw->conf))
1277                 bss->ext_channel = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
1278         else
1279                 bss->ext_channel = IEEE80211_HT_PARAM_CHA_SEC_NONE;
1280
1281         bss->reserved = 0;
1282         wcn36xx_smd_set_sta_params(wcn, vif, sta, sta_params);
1283
1284         /* wcn->ssid is only valid in AP and IBSS mode */
1285         bss->ssid.length = vif_priv->ssid.length;
1286         memcpy(bss->ssid.ssid, vif_priv->ssid.ssid, vif_priv->ssid.length);
1287
1288         bss->obss_prot_enabled = 0;
1289         bss->rmf = 0;
1290         bss->max_probe_resp_retry_limit = 0;
1291         bss->hidden_ssid = vif->bss_conf.hidden_ssid;
1292         bss->proxy_probe_resp = 0;
1293         bss->edca_params_valid = 0;
1294
1295         /* FIXME: set acbe, acbk, acvi and acvo */
1296
1297         bss->ext_set_sta_key_param_valid = 0;
1298
1299         /* FIXME: set ext_set_sta_key_param */
1300
1301         bss->spectrum_mgt_enable = 0;
1302         bss->tx_mgmt_power = 0;
1303         bss->max_tx_power = WCN36XX_MAX_POWER(wcn);
1304
1305         bss->action = update;
1306
1307         wcn36xx_dbg(WCN36XX_DBG_HAL,
1308                     "hal config bss bssid %pM self_mac_addr %pM bss_type %d oper_mode %d nw_type %d\n",
1309                     bss->bssid, bss->self_mac_addr, bss->bss_type,
1310                     bss->oper_mode, bss->nw_type);
1311
1312         wcn36xx_dbg(WCN36XX_DBG_HAL,
1313                     "- sta bssid %pM action %d sta_index %d bssid_index %d aid %d type %d mac %pM\n",
1314                     sta_params->bssid, sta_params->action,
1315                     sta_params->sta_index, sta_params->bssid_index,
1316                     sta_params->aid, sta_params->type,
1317                     sta_params->mac);
1318
1319         if (!wcn36xx_is_fw_version(wcn, 1, 2, 2, 24)) {
1320                 ret = wcn36xx_smd_config_bss_v1(wcn, &msg);
1321         } else {
1322                 PREPARE_HAL_BUF(wcn->hal_buf, msg);
1323
1324                 ret = wcn36xx_smd_send_and_wait(wcn, msg.header.len);
1325         }
1326         if (ret) {
1327                 wcn36xx_err("Sending hal_config_bss failed\n");
1328                 goto out;
1329         }
1330         ret = wcn36xx_smd_config_bss_rsp(wcn,
1331                                          vif,
1332                                          wcn->hal_buf,
1333                                          wcn->hal_rsp_len);
1334         if (ret) {
1335                 wcn36xx_err("hal_config_bss response failed err=%d\n", ret);
1336                 goto out;
1337         }
1338 out:
1339         mutex_unlock(&wcn->hal_mutex);
1340         return ret;
1341 }
1342
1343 int wcn36xx_smd_delete_bss(struct wcn36xx *wcn, struct ieee80211_vif *vif)
1344 {
1345         struct wcn36xx_hal_delete_bss_req_msg msg_body;
1346         struct wcn36xx_vif *priv_vif = (struct wcn36xx_vif *)vif->drv_priv;
1347         int ret = 0;
1348
1349         mutex_lock(&wcn->hal_mutex);
1350         INIT_HAL_MSG(msg_body, WCN36XX_HAL_DELETE_BSS_REQ);
1351
1352         msg_body.bss_index = priv_vif->bss_index;
1353
1354         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1355
1356         wcn36xx_dbg(WCN36XX_DBG_HAL, "hal delete bss %d\n", msg_body.bss_index);
1357
1358         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1359         if (ret) {
1360                 wcn36xx_err("Sending hal_delete_bss failed\n");
1361                 goto out;
1362         }
1363         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1364         if (ret) {
1365                 wcn36xx_err("hal_delete_bss response failed err=%d\n", ret);
1366                 goto out;
1367         }
1368 out:
1369         mutex_unlock(&wcn->hal_mutex);
1370         return ret;
1371 }
1372
1373 int wcn36xx_smd_send_beacon(struct wcn36xx *wcn, struct ieee80211_vif *vif,
1374                             struct sk_buff *skb_beacon, u16 tim_off,
1375                             u16 p2p_off)
1376 {
1377         struct wcn36xx_hal_send_beacon_req_msg msg_body;
1378         int ret = 0;
1379
1380         mutex_lock(&wcn->hal_mutex);
1381         INIT_HAL_MSG(msg_body, WCN36XX_HAL_SEND_BEACON_REQ);
1382
1383         /* TODO need to find out why this is needed? */
1384         msg_body.beacon_length = skb_beacon->len + 6;
1385
1386         if (BEACON_TEMPLATE_SIZE > msg_body.beacon_length) {
1387                 memcpy(&msg_body.beacon, &skb_beacon->len, sizeof(u32));
1388                 memcpy(&(msg_body.beacon[4]), skb_beacon->data,
1389                        skb_beacon->len);
1390         } else {
1391                 wcn36xx_err("Beacon is to big: beacon size=%d\n",
1392                               msg_body.beacon_length);
1393                 ret = -ENOMEM;
1394                 goto out;
1395         }
1396         memcpy(msg_body.bssid, vif->addr, ETH_ALEN);
1397
1398         /* TODO need to find out why this is needed? */
1399         if (vif->type == NL80211_IFTYPE_MESH_POINT)
1400                 /* mesh beacon don't need this, so push further down */
1401                 msg_body.tim_ie_offset = 256;
1402         else
1403                 msg_body.tim_ie_offset = tim_off+4;
1404         msg_body.p2p_ie_offset = p2p_off;
1405         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1406
1407         wcn36xx_dbg(WCN36XX_DBG_HAL,
1408                     "hal send beacon beacon_length %d\n",
1409                     msg_body.beacon_length);
1410
1411         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1412         if (ret) {
1413                 wcn36xx_err("Sending hal_send_beacon failed\n");
1414                 goto out;
1415         }
1416         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1417         if (ret) {
1418                 wcn36xx_err("hal_send_beacon response failed err=%d\n", ret);
1419                 goto out;
1420         }
1421 out:
1422         mutex_unlock(&wcn->hal_mutex);
1423         return ret;
1424 }
1425
1426 int wcn36xx_smd_update_proberesp_tmpl(struct wcn36xx *wcn,
1427                                       struct ieee80211_vif *vif,
1428                                       struct sk_buff *skb)
1429 {
1430         struct wcn36xx_hal_send_probe_resp_req_msg msg;
1431         int ret = 0;
1432
1433         mutex_lock(&wcn->hal_mutex);
1434         INIT_HAL_MSG(msg, WCN36XX_HAL_UPDATE_PROBE_RSP_TEMPLATE_REQ);
1435
1436         if (skb->len > BEACON_TEMPLATE_SIZE) {
1437                 wcn36xx_warn("probe response template is too big: %d\n",
1438                              skb->len);
1439                 ret = -E2BIG;
1440                 goto out;
1441         }
1442
1443         msg.probe_resp_template_len = skb->len;
1444         memcpy(&msg.probe_resp_template, skb->data, skb->len);
1445
1446         memcpy(msg.bssid, vif->addr, ETH_ALEN);
1447
1448         PREPARE_HAL_BUF(wcn->hal_buf, msg);
1449
1450         wcn36xx_dbg(WCN36XX_DBG_HAL,
1451                     "hal update probe rsp len %d bssid %pM\n",
1452                     msg.probe_resp_template_len, msg.bssid);
1453
1454         ret = wcn36xx_smd_send_and_wait(wcn, msg.header.len);
1455         if (ret) {
1456                 wcn36xx_err("Sending hal_update_proberesp_tmpl failed\n");
1457                 goto out;
1458         }
1459         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1460         if (ret) {
1461                 wcn36xx_err("hal_update_proberesp_tmpl response failed err=%d\n",
1462                             ret);
1463                 goto out;
1464         }
1465 out:
1466         mutex_unlock(&wcn->hal_mutex);
1467         return ret;
1468 }
1469
1470 int wcn36xx_smd_set_stakey(struct wcn36xx *wcn,
1471                            enum ani_ed_type enc_type,
1472                            u8 keyidx,
1473                            u8 keylen,
1474                            u8 *key,
1475                            u8 sta_index)
1476 {
1477         struct wcn36xx_hal_set_sta_key_req_msg msg_body;
1478         int ret = 0;
1479
1480         mutex_lock(&wcn->hal_mutex);
1481         INIT_HAL_MSG(msg_body, WCN36XX_HAL_SET_STAKEY_REQ);
1482
1483         msg_body.set_sta_key_params.sta_index = sta_index;
1484         msg_body.set_sta_key_params.enc_type = enc_type;
1485
1486         msg_body.set_sta_key_params.key[0].id = keyidx;
1487         msg_body.set_sta_key_params.key[0].unicast = 1;
1488         msg_body.set_sta_key_params.key[0].direction = WCN36XX_HAL_TX_RX;
1489         msg_body.set_sta_key_params.key[0].pae_role = 0;
1490         msg_body.set_sta_key_params.key[0].length = keylen;
1491         memcpy(msg_body.set_sta_key_params.key[0].key, key, keylen);
1492         msg_body.set_sta_key_params.single_tid_rc = 1;
1493
1494         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1495
1496         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1497         if (ret) {
1498                 wcn36xx_err("Sending hal_set_stakey failed\n");
1499                 goto out;
1500         }
1501         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1502         if (ret) {
1503                 wcn36xx_err("hal_set_stakey response failed err=%d\n", ret);
1504                 goto out;
1505         }
1506 out:
1507         mutex_unlock(&wcn->hal_mutex);
1508         return ret;
1509 }
1510
1511 int wcn36xx_smd_set_bsskey(struct wcn36xx *wcn,
1512                            enum ani_ed_type enc_type,
1513                            u8 keyidx,
1514                            u8 keylen,
1515                            u8 *key)
1516 {
1517         struct wcn36xx_hal_set_bss_key_req_msg msg_body;
1518         int ret = 0;
1519
1520         mutex_lock(&wcn->hal_mutex);
1521         INIT_HAL_MSG(msg_body, WCN36XX_HAL_SET_BSSKEY_REQ);
1522         msg_body.bss_idx = 0;
1523         msg_body.enc_type = enc_type;
1524         msg_body.num_keys = 1;
1525         msg_body.keys[0].id = keyidx;
1526         msg_body.keys[0].unicast = 0;
1527         msg_body.keys[0].direction = WCN36XX_HAL_RX_ONLY;
1528         msg_body.keys[0].pae_role = 0;
1529         msg_body.keys[0].length = keylen;
1530         memcpy(msg_body.keys[0].key, key, keylen);
1531
1532         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1533
1534         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1535         if (ret) {
1536                 wcn36xx_err("Sending hal_set_bsskey failed\n");
1537                 goto out;
1538         }
1539         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1540         if (ret) {
1541                 wcn36xx_err("hal_set_bsskey response failed err=%d\n", ret);
1542                 goto out;
1543         }
1544 out:
1545         mutex_unlock(&wcn->hal_mutex);
1546         return ret;
1547 }
1548
1549 int wcn36xx_smd_remove_stakey(struct wcn36xx *wcn,
1550                               enum ani_ed_type enc_type,
1551                               u8 keyidx,
1552                               u8 sta_index)
1553 {
1554         struct wcn36xx_hal_remove_sta_key_req_msg msg_body;
1555         int ret = 0;
1556
1557         mutex_lock(&wcn->hal_mutex);
1558         INIT_HAL_MSG(msg_body, WCN36XX_HAL_RMV_STAKEY_REQ);
1559
1560         msg_body.sta_idx = sta_index;
1561         msg_body.enc_type = enc_type;
1562         msg_body.key_id = keyidx;
1563
1564         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1565
1566         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1567         if (ret) {
1568                 wcn36xx_err("Sending hal_remove_stakey failed\n");
1569                 goto out;
1570         }
1571         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1572         if (ret) {
1573                 wcn36xx_err("hal_remove_stakey response failed err=%d\n", ret);
1574                 goto out;
1575         }
1576 out:
1577         mutex_unlock(&wcn->hal_mutex);
1578         return ret;
1579 }
1580
1581 int wcn36xx_smd_remove_bsskey(struct wcn36xx *wcn,
1582                               enum ani_ed_type enc_type,
1583                               u8 keyidx)
1584 {
1585         struct wcn36xx_hal_remove_bss_key_req_msg msg_body;
1586         int ret = 0;
1587
1588         mutex_lock(&wcn->hal_mutex);
1589         INIT_HAL_MSG(msg_body, WCN36XX_HAL_RMV_BSSKEY_REQ);
1590         msg_body.bss_idx = 0;
1591         msg_body.enc_type = enc_type;
1592         msg_body.key_id = keyidx;
1593
1594         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1595
1596         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1597         if (ret) {
1598                 wcn36xx_err("Sending hal_remove_bsskey failed\n");
1599                 goto out;
1600         }
1601         ret = wcn36xx_smd_rsp_status_check_v2(wcn, wcn->hal_buf,
1602                                               wcn->hal_rsp_len);
1603         if (ret) {
1604                 wcn36xx_err("hal_remove_bsskey response failed err=%d\n", ret);
1605                 goto out;
1606         }
1607 out:
1608         mutex_unlock(&wcn->hal_mutex);
1609         return ret;
1610 }
1611
1612 int wcn36xx_smd_enter_bmps(struct wcn36xx *wcn, struct ieee80211_vif *vif)
1613 {
1614         struct wcn36xx_hal_enter_bmps_req_msg msg_body;
1615         struct wcn36xx_vif *vif_priv = (struct wcn36xx_vif *)vif->drv_priv;
1616         int ret = 0;
1617
1618         mutex_lock(&wcn->hal_mutex);
1619         INIT_HAL_MSG(msg_body, WCN36XX_HAL_ENTER_BMPS_REQ);
1620
1621         msg_body.bss_index = vif_priv->bss_index;
1622         msg_body.tbtt = vif->bss_conf.sync_tsf;
1623         msg_body.dtim_period = vif_priv->dtim_period;
1624
1625         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1626
1627         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1628         if (ret) {
1629                 wcn36xx_err("Sending hal_enter_bmps failed\n");
1630                 goto out;
1631         }
1632         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1633         if (ret) {
1634                 wcn36xx_err("hal_enter_bmps response failed err=%d\n", ret);
1635                 goto out;
1636         }
1637 out:
1638         mutex_unlock(&wcn->hal_mutex);
1639         return ret;
1640 }
1641
1642 int wcn36xx_smd_exit_bmps(struct wcn36xx *wcn, struct ieee80211_vif *vif)
1643 {
1644         struct wcn36xx_hal_enter_bmps_req_msg msg_body;
1645         struct wcn36xx_vif *vif_priv = (struct wcn36xx_vif *)vif->drv_priv;
1646         int ret = 0;
1647
1648         mutex_lock(&wcn->hal_mutex);
1649         INIT_HAL_MSG(msg_body, WCN36XX_HAL_EXIT_BMPS_REQ);
1650
1651         msg_body.bss_index = vif_priv->bss_index;
1652
1653         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1654
1655         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1656         if (ret) {
1657                 wcn36xx_err("Sending hal_exit_bmps failed\n");
1658                 goto out;
1659         }
1660         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1661         if (ret) {
1662                 wcn36xx_err("hal_exit_bmps response failed err=%d\n", ret);
1663                 goto out;
1664         }
1665 out:
1666         mutex_unlock(&wcn->hal_mutex);
1667         return ret;
1668 }
1669 int wcn36xx_smd_set_power_params(struct wcn36xx *wcn, bool ignore_dtim)
1670 {
1671         struct wcn36xx_hal_set_power_params_req_msg msg_body;
1672         int ret = 0;
1673
1674         mutex_lock(&wcn->hal_mutex);
1675         INIT_HAL_MSG(msg_body, WCN36XX_HAL_SET_POWER_PARAMS_REQ);
1676
1677         /*
1678          * When host is down ignore every second dtim
1679          */
1680         if (ignore_dtim) {
1681                 msg_body.ignore_dtim = 1;
1682                 msg_body.dtim_period = 2;
1683         }
1684         msg_body.listen_interval = WCN36XX_LISTEN_INTERVAL(wcn);
1685
1686         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1687
1688         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1689         if (ret) {
1690                 wcn36xx_err("Sending hal_set_power_params failed\n");
1691                 goto out;
1692         }
1693
1694 out:
1695         mutex_unlock(&wcn->hal_mutex);
1696         return ret;
1697 }
1698 /* Notice: This function should be called after associated, or else it
1699  * will be invalid
1700  */
1701 int wcn36xx_smd_keep_alive_req(struct wcn36xx *wcn,
1702                                struct ieee80211_vif *vif,
1703                                int packet_type)
1704 {
1705         struct wcn36xx_hal_keep_alive_req_msg msg_body;
1706         struct wcn36xx_vif *vif_priv = (struct wcn36xx_vif *)vif->drv_priv;
1707         int ret = 0;
1708
1709         mutex_lock(&wcn->hal_mutex);
1710         INIT_HAL_MSG(msg_body, WCN36XX_HAL_KEEP_ALIVE_REQ);
1711
1712         if (packet_type == WCN36XX_HAL_KEEP_ALIVE_NULL_PKT) {
1713                 msg_body.bss_index = vif_priv->bss_index;
1714                 msg_body.packet_type = WCN36XX_HAL_KEEP_ALIVE_NULL_PKT;
1715                 msg_body.time_period = WCN36XX_KEEP_ALIVE_TIME_PERIOD;
1716         } else if (packet_type == WCN36XX_HAL_KEEP_ALIVE_UNSOLICIT_ARP_RSP) {
1717                 /* TODO: it also support ARP response type */
1718         } else {
1719                 wcn36xx_warn("unknown keep alive packet type %d\n", packet_type);
1720                 ret = -EINVAL;
1721                 goto out;
1722         }
1723
1724         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1725
1726         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1727         if (ret) {
1728                 wcn36xx_err("Sending hal_keep_alive failed\n");
1729                 goto out;
1730         }
1731         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1732         if (ret) {
1733                 wcn36xx_err("hal_keep_alive response failed err=%d\n", ret);
1734                 goto out;
1735         }
1736 out:
1737         mutex_unlock(&wcn->hal_mutex);
1738         return ret;
1739 }
1740
1741 int wcn36xx_smd_dump_cmd_req(struct wcn36xx *wcn, u32 arg1, u32 arg2,
1742                              u32 arg3, u32 arg4, u32 arg5)
1743 {
1744         struct wcn36xx_hal_dump_cmd_req_msg msg_body;
1745         int ret = 0;
1746
1747         mutex_lock(&wcn->hal_mutex);
1748         INIT_HAL_MSG(msg_body, WCN36XX_HAL_DUMP_COMMAND_REQ);
1749
1750         msg_body.arg1 = arg1;
1751         msg_body.arg2 = arg2;
1752         msg_body.arg3 = arg3;
1753         msg_body.arg4 = arg4;
1754         msg_body.arg5 = arg5;
1755
1756         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1757
1758         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1759         if (ret) {
1760                 wcn36xx_err("Sending hal_dump_cmd failed\n");
1761                 goto out;
1762         }
1763         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1764         if (ret) {
1765                 wcn36xx_err("hal_dump_cmd response failed err=%d\n", ret);
1766                 goto out;
1767         }
1768 out:
1769         mutex_unlock(&wcn->hal_mutex);
1770         return ret;
1771 }
1772
1773 void set_feat_caps(u32 *bitmap, enum place_holder_in_cap_bitmap cap)
1774 {
1775         int arr_idx, bit_idx;
1776
1777         if (cap < 0 || cap > 127) {
1778                 wcn36xx_warn("error cap idx %d\n", cap);
1779                 return;
1780         }
1781
1782         arr_idx = cap / 32;
1783         bit_idx = cap % 32;
1784         bitmap[arr_idx] |= (1 << bit_idx);
1785 }
1786
1787 int get_feat_caps(u32 *bitmap, enum place_holder_in_cap_bitmap cap)
1788 {
1789         int arr_idx, bit_idx;
1790         int ret = 0;
1791
1792         if (cap < 0 || cap > 127) {
1793                 wcn36xx_warn("error cap idx %d\n", cap);
1794                 return -EINVAL;
1795         }
1796
1797         arr_idx = cap / 32;
1798         bit_idx = cap % 32;
1799         ret = (bitmap[arr_idx] & (1 << bit_idx)) ? 1 : 0;
1800         return ret;
1801 }
1802
1803 void clear_feat_caps(u32 *bitmap, enum place_holder_in_cap_bitmap cap)
1804 {
1805         int arr_idx, bit_idx;
1806
1807         if (cap < 0 || cap > 127) {
1808                 wcn36xx_warn("error cap idx %d\n", cap);
1809                 return;
1810         }
1811
1812         arr_idx = cap / 32;
1813         bit_idx = cap % 32;
1814         bitmap[arr_idx] &= ~(1 << bit_idx);
1815 }
1816
1817 int wcn36xx_smd_feature_caps_exchange(struct wcn36xx *wcn)
1818 {
1819         struct wcn36xx_hal_feat_caps_msg msg_body, *rsp;
1820         int ret = 0, i;
1821
1822         mutex_lock(&wcn->hal_mutex);
1823         INIT_HAL_MSG(msg_body, WCN36XX_HAL_FEATURE_CAPS_EXCHANGE_REQ);
1824
1825         set_feat_caps(msg_body.feat_caps, STA_POWERSAVE);
1826
1827         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1828
1829         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1830         if (ret) {
1831                 wcn36xx_err("Sending hal_feature_caps_exchange failed\n");
1832                 goto out;
1833         }
1834         if (wcn->hal_rsp_len != sizeof(*rsp)) {
1835                 wcn36xx_err("Invalid hal_feature_caps_exchange response");
1836                 goto out;
1837         }
1838
1839         rsp = (struct wcn36xx_hal_feat_caps_msg *) wcn->hal_buf;
1840
1841         for (i = 0; i < WCN36XX_HAL_CAPS_SIZE; i++)
1842                 wcn->fw_feat_caps[i] = rsp->feat_caps[i];
1843 out:
1844         mutex_unlock(&wcn->hal_mutex);
1845         return ret;
1846 }
1847
1848 int wcn36xx_smd_add_ba_session(struct wcn36xx *wcn,
1849                 struct ieee80211_sta *sta,
1850                 u16 tid,
1851                 u16 *ssn,
1852                 u8 direction,
1853                 u8 sta_index)
1854 {
1855         struct wcn36xx_hal_add_ba_session_req_msg msg_body;
1856         int ret = 0;
1857
1858         mutex_lock(&wcn->hal_mutex);
1859         INIT_HAL_MSG(msg_body, WCN36XX_HAL_ADD_BA_SESSION_REQ);
1860
1861         msg_body.sta_index = sta_index;
1862         memcpy(&msg_body.mac_addr, sta->addr, ETH_ALEN);
1863         msg_body.dialog_token = 0x10;
1864         msg_body.tid = tid;
1865
1866         /* Immediate BA because Delayed BA is not supported */
1867         msg_body.policy = 1;
1868         msg_body.buffer_size = WCN36XX_AGGR_BUFFER_SIZE;
1869         msg_body.timeout = 0;
1870         if (ssn)
1871                 msg_body.ssn = *ssn;
1872         msg_body.direction = direction;
1873
1874         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1875
1876         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1877         if (ret) {
1878                 wcn36xx_err("Sending hal_add_ba_session failed\n");
1879                 goto out;
1880         }
1881         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1882         if (ret) {
1883                 wcn36xx_err("hal_add_ba_session response failed err=%d\n", ret);
1884                 goto out;
1885         }
1886 out:
1887         mutex_unlock(&wcn->hal_mutex);
1888         return ret;
1889 }
1890
1891 int wcn36xx_smd_add_ba(struct wcn36xx *wcn)
1892 {
1893         struct wcn36xx_hal_add_ba_req_msg msg_body;
1894         int ret = 0;
1895
1896         mutex_lock(&wcn->hal_mutex);
1897         INIT_HAL_MSG(msg_body, WCN36XX_HAL_ADD_BA_REQ);
1898
1899         msg_body.session_id = 0;
1900         msg_body.win_size = WCN36XX_AGGR_BUFFER_SIZE;
1901
1902         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1903
1904         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1905         if (ret) {
1906                 wcn36xx_err("Sending hal_add_ba failed\n");
1907                 goto out;
1908         }
1909         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1910         if (ret) {
1911                 wcn36xx_err("hal_add_ba response failed err=%d\n", ret);
1912                 goto out;
1913         }
1914 out:
1915         mutex_unlock(&wcn->hal_mutex);
1916         return ret;
1917 }
1918
1919 int wcn36xx_smd_del_ba(struct wcn36xx *wcn, u16 tid, u8 sta_index)
1920 {
1921         struct wcn36xx_hal_del_ba_req_msg msg_body;
1922         int ret = 0;
1923
1924         mutex_lock(&wcn->hal_mutex);
1925         INIT_HAL_MSG(msg_body, WCN36XX_HAL_DEL_BA_REQ);
1926
1927         msg_body.sta_index = sta_index;
1928         msg_body.tid = tid;
1929         msg_body.direction = 0;
1930         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1931
1932         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1933         if (ret) {
1934                 wcn36xx_err("Sending hal_del_ba failed\n");
1935                 goto out;
1936         }
1937         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1938         if (ret) {
1939                 wcn36xx_err("hal_del_ba response failed err=%d\n", ret);
1940                 goto out;
1941         }
1942 out:
1943         mutex_unlock(&wcn->hal_mutex);
1944         return ret;
1945 }
1946
1947 int wcn36xx_smd_trigger_ba(struct wcn36xx *wcn, u8 sta_index)
1948 {
1949         struct wcn36xx_hal_trigger_ba_req_msg msg_body;
1950         struct wcn36xx_hal_trigger_ba_req_candidate *candidate;
1951         int ret = 0;
1952
1953         mutex_lock(&wcn->hal_mutex);
1954         INIT_HAL_MSG(msg_body, WCN36XX_HAL_TRIGGER_BA_REQ);
1955
1956         msg_body.session_id = 0;
1957         msg_body.candidate_cnt = 1;
1958         msg_body.header.len += sizeof(*candidate);
1959         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1960
1961         candidate = (struct wcn36xx_hal_trigger_ba_req_candidate *)
1962                 (wcn->hal_buf + sizeof(msg_body));
1963         candidate->sta_index = sta_index;
1964         candidate->tid_bitmap = 1;
1965
1966         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1967         if (ret) {
1968                 wcn36xx_err("Sending hal_trigger_ba failed\n");
1969                 goto out;
1970         }
1971         ret = wcn36xx_smd_rsp_status_check_v2(wcn, wcn->hal_buf,
1972                                                 wcn->hal_rsp_len);
1973         if (ret) {
1974                 wcn36xx_err("hal_trigger_ba response failed err=%d\n", ret);
1975                 goto out;
1976         }
1977 out:
1978         mutex_unlock(&wcn->hal_mutex);
1979         return ret;
1980 }
1981
1982 static int wcn36xx_smd_tx_compl_ind(struct wcn36xx *wcn, void *buf, size_t len)
1983 {
1984         struct wcn36xx_hal_tx_compl_ind_msg *rsp = buf;
1985
1986         if (len != sizeof(*rsp)) {
1987                 wcn36xx_warn("Bad TX complete indication\n");
1988                 return -EIO;
1989         }
1990
1991         wcn36xx_dxe_tx_ack_ind(wcn, rsp->status);
1992
1993         return 0;
1994 }
1995
1996 static int wcn36xx_smd_missed_beacon_ind(struct wcn36xx *wcn,
1997                                          void *buf,
1998                                          size_t len)
1999 {
2000         struct wcn36xx_hal_missed_beacon_ind_msg *rsp = buf;
2001         struct ieee80211_vif *vif = NULL;
2002         struct wcn36xx_vif *tmp;
2003
2004         /* Old FW does not have bss index */
2005         if (wcn36xx_is_fw_version(wcn, 1, 2, 2, 24)) {
2006                 list_for_each_entry(tmp, &wcn->vif_list, list) {
2007                         wcn36xx_dbg(WCN36XX_DBG_HAL, "beacon missed bss_index %d\n",
2008                                     tmp->bss_index);
2009                         vif = container_of((void *)tmp,
2010                                                  struct ieee80211_vif,
2011                                                  drv_priv);
2012                         ieee80211_connection_loss(vif);
2013                 }
2014                 return 0;
2015         }
2016
2017         if (len != sizeof(*rsp)) {
2018                 wcn36xx_warn("Corrupted missed beacon indication\n");
2019                 return -EIO;
2020         }
2021
2022         list_for_each_entry(tmp, &wcn->vif_list, list) {
2023                 if (tmp->bss_index == rsp->bss_index) {
2024                         wcn36xx_dbg(WCN36XX_DBG_HAL, "beacon missed bss_index %d\n",
2025                                     rsp->bss_index);
2026                         vif = container_of((void *)tmp,
2027                                                  struct ieee80211_vif,
2028                                                  drv_priv);
2029                         ieee80211_connection_loss(vif);
2030                         return 0;
2031                 }
2032         }
2033
2034         wcn36xx_warn("BSS index %d not found\n", rsp->bss_index);
2035         return -ENOENT;
2036 }
2037
2038 static int wcn36xx_smd_delete_sta_context_ind(struct wcn36xx *wcn,
2039                                               void *buf,
2040                                               size_t len)
2041 {
2042         struct wcn36xx_hal_delete_sta_context_ind_msg *rsp = buf;
2043         struct wcn36xx_vif *tmp;
2044         struct ieee80211_sta *sta = NULL;
2045
2046         if (len != sizeof(*rsp)) {
2047                 wcn36xx_warn("Corrupted delete sta indication\n");
2048                 return -EIO;
2049         }
2050
2051         list_for_each_entry(tmp, &wcn->vif_list, list) {
2052                 if (sta && (tmp->sta->sta_index == rsp->sta_id)) {
2053                         sta = container_of((void *)tmp->sta,
2054                                                  struct ieee80211_sta,
2055                                                  drv_priv);
2056                         wcn36xx_dbg(WCN36XX_DBG_HAL,
2057                                     "delete station indication %pM index %d\n",
2058                                     rsp->addr2,
2059                                     rsp->sta_id);
2060                         ieee80211_report_low_ack(sta, 0);
2061                         return 0;
2062                 }
2063         }
2064
2065         wcn36xx_warn("STA with addr %pM and index %d not found\n",
2066                      rsp->addr2,
2067                      rsp->sta_id);
2068         return -ENOENT;
2069 }
2070
2071 int wcn36xx_smd_update_cfg(struct wcn36xx *wcn, u32 cfg_id, u32 value)
2072 {
2073         struct wcn36xx_hal_update_cfg_req_msg msg_body, *body;
2074         size_t len;
2075         int ret = 0;
2076
2077         mutex_lock(&wcn->hal_mutex);
2078         INIT_HAL_MSG(msg_body, WCN36XX_HAL_UPDATE_CFG_REQ);
2079
2080         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
2081
2082         body = (struct wcn36xx_hal_update_cfg_req_msg *) wcn->hal_buf;
2083         len = msg_body.header.len;
2084
2085         put_cfg_tlv_u32(wcn, &len, cfg_id, value);
2086         body->header.len = len;
2087         body->len = len - sizeof(*body);
2088
2089         ret = wcn36xx_smd_send_and_wait(wcn, body->header.len);
2090         if (ret) {
2091                 wcn36xx_err("Sending hal_update_cfg failed\n");
2092                 goto out;
2093         }
2094         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
2095         if (ret) {
2096                 wcn36xx_err("hal_update_cfg response failed err=%d\n", ret);
2097                 goto out;
2098         }
2099 out:
2100         mutex_unlock(&wcn->hal_mutex);
2101         return ret;
2102 }
2103 static void wcn36xx_smd_rsp_process(struct wcn36xx *wcn, void *buf, size_t len)
2104 {
2105         struct wcn36xx_hal_msg_header *msg_header = buf;
2106         struct wcn36xx_hal_ind_msg *msg_ind;
2107         wcn36xx_dbg_dump(WCN36XX_DBG_SMD_DUMP, "SMD <<< ", buf, len);
2108
2109         switch (msg_header->msg_type) {
2110         case WCN36XX_HAL_START_RSP:
2111         case WCN36XX_HAL_CONFIG_STA_RSP:
2112         case WCN36XX_HAL_CONFIG_BSS_RSP:
2113         case WCN36XX_HAL_ADD_STA_SELF_RSP:
2114         case WCN36XX_HAL_STOP_RSP:
2115         case WCN36XX_HAL_DEL_STA_SELF_RSP:
2116         case WCN36XX_HAL_DELETE_STA_RSP:
2117         case WCN36XX_HAL_INIT_SCAN_RSP:
2118         case WCN36XX_HAL_START_SCAN_RSP:
2119         case WCN36XX_HAL_END_SCAN_RSP:
2120         case WCN36XX_HAL_FINISH_SCAN_RSP:
2121         case WCN36XX_HAL_DOWNLOAD_NV_RSP:
2122         case WCN36XX_HAL_DELETE_BSS_RSP:
2123         case WCN36XX_HAL_SEND_BEACON_RSP:
2124         case WCN36XX_HAL_SET_LINK_ST_RSP:
2125         case WCN36XX_HAL_UPDATE_PROBE_RSP_TEMPLATE_RSP:
2126         case WCN36XX_HAL_SET_BSSKEY_RSP:
2127         case WCN36XX_HAL_SET_STAKEY_RSP:
2128         case WCN36XX_HAL_RMV_STAKEY_RSP:
2129         case WCN36XX_HAL_RMV_BSSKEY_RSP:
2130         case WCN36XX_HAL_ENTER_BMPS_RSP:
2131         case WCN36XX_HAL_SET_POWER_PARAMS_RSP:
2132         case WCN36XX_HAL_EXIT_BMPS_RSP:
2133         case WCN36XX_HAL_KEEP_ALIVE_RSP:
2134         case WCN36XX_HAL_DUMP_COMMAND_RSP:
2135         case WCN36XX_HAL_ADD_BA_SESSION_RSP:
2136         case WCN36XX_HAL_ADD_BA_RSP:
2137         case WCN36XX_HAL_DEL_BA_RSP:
2138         case WCN36XX_HAL_TRIGGER_BA_RSP:
2139         case WCN36XX_HAL_UPDATE_CFG_RSP:
2140         case WCN36XX_HAL_JOIN_RSP:
2141         case WCN36XX_HAL_UPDATE_SCAN_PARAM_RSP:
2142         case WCN36XX_HAL_CH_SWITCH_RSP:
2143         case WCN36XX_HAL_FEATURE_CAPS_EXCHANGE_RSP:
2144                 memcpy(wcn->hal_buf, buf, len);
2145                 wcn->hal_rsp_len = len;
2146                 complete(&wcn->hal_rsp_compl);
2147                 break;
2148
2149         case WCN36XX_HAL_COEX_IND:
2150         case WCN36XX_HAL_AVOID_FREQ_RANGE_IND:
2151         case WCN36XX_HAL_OTA_TX_COMPL_IND:
2152         case WCN36XX_HAL_MISSED_BEACON_IND:
2153         case WCN36XX_HAL_DELETE_STA_CONTEXT_IND:
2154                 msg_ind = kmalloc(sizeof(*msg_ind), GFP_KERNEL);
2155                 if (!msg_ind)
2156                         goto nomem;
2157                 msg_ind->msg_len = len;
2158                 msg_ind->msg = kmemdup(buf, len, GFP_KERNEL);
2159                 if (!msg_ind->msg) {
2160                         kfree(msg_ind);
2161 nomem:
2162                         /*
2163                          * FIXME: Do something smarter then just
2164                          * printing an error.
2165                          */
2166                         wcn36xx_err("Run out of memory while handling SMD_EVENT (%d)\n",
2167                                     msg_header->msg_type);
2168                         break;
2169                 }
2170                 mutex_lock(&wcn->hal_ind_mutex);
2171                 list_add_tail(&msg_ind->list, &wcn->hal_ind_queue);
2172                 queue_work(wcn->hal_ind_wq, &wcn->hal_ind_work);
2173                 mutex_unlock(&wcn->hal_ind_mutex);
2174                 wcn36xx_dbg(WCN36XX_DBG_HAL, "indication arrived\n");
2175                 break;
2176         default:
2177                 wcn36xx_err("SMD_EVENT (%d) not supported\n",
2178                               msg_header->msg_type);
2179         }
2180 }
2181 static void wcn36xx_ind_smd_work(struct work_struct *work)
2182 {
2183         struct wcn36xx *wcn =
2184                 container_of(work, struct wcn36xx, hal_ind_work);
2185         struct wcn36xx_hal_msg_header *msg_header;
2186         struct wcn36xx_hal_ind_msg *hal_ind_msg;
2187
2188         mutex_lock(&wcn->hal_ind_mutex);
2189
2190         hal_ind_msg = list_first_entry(&wcn->hal_ind_queue,
2191                                        struct wcn36xx_hal_ind_msg,
2192                                        list);
2193
2194         msg_header = (struct wcn36xx_hal_msg_header *)hal_ind_msg->msg;
2195
2196         switch (msg_header->msg_type) {
2197         case WCN36XX_HAL_COEX_IND:
2198         case WCN36XX_HAL_AVOID_FREQ_RANGE_IND:
2199                 break;
2200         case WCN36XX_HAL_OTA_TX_COMPL_IND:
2201                 wcn36xx_smd_tx_compl_ind(wcn,
2202                                          hal_ind_msg->msg,
2203                                          hal_ind_msg->msg_len);
2204                 break;
2205         case WCN36XX_HAL_MISSED_BEACON_IND:
2206                 wcn36xx_smd_missed_beacon_ind(wcn,
2207                                               hal_ind_msg->msg,
2208                                               hal_ind_msg->msg_len);
2209                 break;
2210         case WCN36XX_HAL_DELETE_STA_CONTEXT_IND:
2211                 wcn36xx_smd_delete_sta_context_ind(wcn,
2212                                                    hal_ind_msg->msg,
2213                                                    hal_ind_msg->msg_len);
2214                 break;
2215         default:
2216                 wcn36xx_err("SMD_EVENT (%d) not supported\n",
2217                               msg_header->msg_type);
2218         }
2219         list_del(wcn->hal_ind_queue.next);
2220         kfree(hal_ind_msg->msg);
2221         kfree(hal_ind_msg);
2222         mutex_unlock(&wcn->hal_ind_mutex);
2223 }
2224 int wcn36xx_smd_open(struct wcn36xx *wcn)
2225 {
2226         int ret = 0;
2227         wcn->hal_ind_wq = create_freezable_workqueue("wcn36xx_smd_ind");
2228         if (!wcn->hal_ind_wq) {
2229                 wcn36xx_err("failed to allocate wq\n");
2230                 ret = -ENOMEM;
2231                 goto out;
2232         }
2233         INIT_WORK(&wcn->hal_ind_work, wcn36xx_ind_smd_work);
2234         INIT_LIST_HEAD(&wcn->hal_ind_queue);
2235         mutex_init(&wcn->hal_ind_mutex);
2236
2237         ret = wcn->ctrl_ops->open(wcn, wcn36xx_smd_rsp_process);
2238         if (ret) {
2239                 wcn36xx_err("failed to open control channel\n");
2240                 goto free_wq;
2241         }
2242
2243         return ret;
2244
2245 free_wq:
2246         destroy_workqueue(wcn->hal_ind_wq);
2247 out:
2248         return ret;
2249 }
2250
2251 void wcn36xx_smd_close(struct wcn36xx *wcn)
2252 {
2253         wcn->ctrl_ops->close();
2254         destroy_workqueue(wcn->hal_ind_wq);
2255         mutex_destroy(&wcn->hal_ind_mutex);
2256 }