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 (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 =
 220                 !(WCN36XX_FLAGS(wcn) &
 221                   IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE);
 222
 223         sta_params->rifs_mode = 0;
 224         sta_params->rmf = 0;
 225         sta_params->action = 0;
 226         sta_params->uapsd = 0;
 227         sta_params->mimo_ps = WCN36XX_HAL_HT_MIMO_PS_STATIC;
 228         sta_params->max_ampdu_duration = 0;
 229         sta_params->bssid_index = priv_vif->bss_index;
 230         sta_params->p2p = 0;
 231
 232         if (sta) {
 233                 priv_sta = (struct wcn36xx_sta *)sta->drv_priv;
 234                 if (NL80211_IFTYPE_STATION == vif->type)
 235                         memcpy(&sta_params->bssid, sta->addr, ETH_ALEN);
 236                 else
 237                         memcpy(&sta_params->mac, sta->addr, ETH_ALEN);
 238                 sta_params->wmm_enabled = sta->wme;
 239                 sta_params->max_sp_len = sta->max_sp;
 240                 sta_params->aid = priv_sta->aid;
 241                 wcn36xx_smd_set_sta_ht_params(sta, sta_params);
 242                 memcpy(&sta_params->supported_rates, &priv_sta->supported_rates,
 243                         sizeof(priv_sta->supported_rates));
 244         } else {
 245                 wcn36xx_set_default_rates(&sta_params->supported_rates);
 246                 wcn36xx_smd_set_sta_default_ht_params(sta_params);
 247         }
 248 }
 249
 250 static int wcn36xx_smd_send_and_wait(struct wcn36xx *wcn, size_t len)
 251 {
 252         int ret = 0;
 253         unsigned long start;
 254         wcn36xx_dbg_dump(WCN36XX_DBG_SMD_DUMP, "HAL >>> ", wcn->hal_buf, len);
 255
 256         init_completion(&wcn->hal_rsp_compl);
 257         start = jiffies;
 258         ret = wcn->ctrl_ops->tx(wcn->hal_buf, len);
 259         if (ret) {
 260                 wcn36xx_err("HAL TX failed\n");
 261                 goto out;
 262         }
 263         if (wait_for_completion_timeout(&wcn->hal_rsp_compl,
 264                 msecs_to_jiffies(HAL_MSG_TIMEOUT)) <= 0) {
 265                 wcn36xx_err("Timeout! No SMD response in %dms\n",
 266                             HAL_MSG_TIMEOUT);
 267                 ret = -ETIME;
 268                 goto out;
 269         }
 270         wcn36xx_dbg(WCN36XX_DBG_SMD, "SMD command completed in %dms",
 271                     jiffies_to_msecs(jiffies - start));
 272 out:
 273         return ret;
 274 }
 275
 276 #define INIT_HAL_MSG(msg_body, type) \
 277         do {                                                            \
 278                 memset(&msg_body, 0, sizeof(msg_body));                 \
 279                 msg_body.header.msg_type = type;                        \
 280                 msg_body.header.msg_version = WCN36XX_HAL_MSG_VERSION0; \
 281                 msg_body.header.len = sizeof(msg_body);                 \
 282         } while (0)                                                     \
 283
 284 #define PREPARE_HAL_BUF(send_buf, msg_body) \
 285         do {                                                    \
 286                 memset(send_buf, 0, msg_body.header.len);       \
 287                 memcpy(send_buf, &msg_body, sizeof(msg_body));  \
 288         } while (0)                                             \
 289
 290 static int wcn36xx_smd_rsp_status_check(void *buf, size_t len)
 291 {
 292         struct wcn36xx_fw_msg_status_rsp *rsp;
 293
 294         if (len < sizeof(struct wcn36xx_hal_msg_header) +
 295             sizeof(struct wcn36xx_fw_msg_status_rsp))
 296                 return -EIO;
 297
 298         rsp = (struct wcn36xx_fw_msg_status_rsp *)
 299                 (buf + sizeof(struct wcn36xx_hal_msg_header));
 300
 301         if (WCN36XX_FW_MSG_RESULT_SUCCESS != rsp->status)
 302                 return rsp->status;
 303
 304         return 0;
 305 }
 306
 307 int wcn36xx_smd_load_nv(struct wcn36xx *wcn)
 308 {
 309         struct nv_data *nv_d;
 310         struct wcn36xx_hal_nv_img_download_req_msg msg_body;
 311         int fw_bytes_left;
 312         int ret;
 313         u16 fm_offset = 0;
 314
 315         if (!wcn->nv) {
 316                 ret = request_firmware(&wcn->nv, WLAN_NV_FILE, wcn->dev);
 317                 if (ret) {
 318                         wcn36xx_err("Failed to load nv file %s: %d\n",
 319                                       WLAN_NV_FILE, ret);
 320                         goto out;
 321                 }
 322         }
 323
 324         nv_d = (struct nv_data *)wcn->nv->data;
 325         INIT_HAL_MSG(msg_body, WCN36XX_HAL_DOWNLOAD_NV_REQ);
 326
 327         msg_body.header.len += WCN36XX_NV_FRAGMENT_SIZE;
 328
 329         msg_body.frag_number = 0;
 330         /* hal_buf must be protected with  mutex */
 331         mutex_lock(&wcn->hal_mutex);
 332
 333         do {
 334                 fw_bytes_left = wcn->nv->size - fm_offset - 4;
 335                 if (fw_bytes_left > WCN36XX_NV_FRAGMENT_SIZE) {
 336                         msg_body.last_fragment = 0;
 337                         msg_body.nv_img_buffer_size = WCN36XX_NV_FRAGMENT_SIZE;
 338                 } else {
 339                         msg_body.last_fragment = 1;
 340                         msg_body.nv_img_buffer_size = fw_bytes_left;
 341
 342                         /* Do not forget update general message len */
 343                         msg_body.header.len = sizeof(msg_body) + fw_bytes_left;
 344
 345                 }
 346
 347                 /* Add load NV request message header */
 348                 memcpy(wcn->hal_buf, &msg_body, sizeof(msg_body));
 349
 350                 /* Add NV body itself */
 351                 memcpy(wcn->hal_buf + sizeof(msg_body),
 352                        &nv_d->table + fm_offset,
 353                        msg_body.nv_img_buffer_size);
 354
 355                 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
 356                 if (ret)
 357                         goto out_unlock;
 358                 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf,
 359                                                    wcn->hal_rsp_len);
 360                 if (ret) {
 361                         wcn36xx_err("hal_load_nv response failed err=%d\n",
 362                                     ret);
 363                         goto out_unlock;
 364                 }
 365                 msg_body.frag_number++;
 366                 fm_offset += WCN36XX_NV_FRAGMENT_SIZE;
 367
 368         } while (msg_body.last_fragment != 1);
 369
 370 out_unlock:
 371         mutex_unlock(&wcn->hal_mutex);
 372 out:    return ret;
 373 }
 374
 375 static int wcn36xx_smd_start_rsp(struct wcn36xx *wcn, void *buf, size_t len)
 376 {
 377         struct wcn36xx_hal_mac_start_rsp_msg *rsp;
 378
 379         if (len < sizeof(*rsp))
 380                 return -EIO;
 381
 382         rsp = (struct wcn36xx_hal_mac_start_rsp_msg *)buf;
 383
 384         if (WCN36XX_FW_MSG_RESULT_SUCCESS != rsp->start_rsp_params.status)
 385                 return -EIO;
 386
 387         memcpy(wcn->crm_version, rsp->start_rsp_params.crm_version,
 388                WCN36XX_HAL_VERSION_LENGTH);
 389         memcpy(wcn->wlan_version, rsp->start_rsp_params.wlan_version,
 390                WCN36XX_HAL_VERSION_LENGTH);
 391
 392         /* null terminate the strings, just in case */
 393         wcn->crm_version[WCN36XX_HAL_VERSION_LENGTH] = '\0';
 394         wcn->wlan_version[WCN36XX_HAL_VERSION_LENGTH] = '\0';
 395
 396         wcn->fw_revision = rsp->start_rsp_params.version.revision;
 397         wcn->fw_version = rsp->start_rsp_params.version.version;
 398         wcn->fw_minor = rsp->start_rsp_params.version.minor;
 399         wcn->fw_major = rsp->start_rsp_params.version.major;
 400
 401         wcn36xx_info("firmware WLAN version '%s' and CRM version '%s'\n",
 402                      wcn->wlan_version, wcn->crm_version);
 403
 404         wcn36xx_info("firmware API %u.%u.%u.%u, %u stations, %u bssids\n",
 405                      wcn->fw_major, wcn->fw_minor,
 406                      wcn->fw_version, wcn->fw_revision,
 407                      rsp->start_rsp_params.stations,
 408                      rsp->start_rsp_params.bssids);
 409
 410         return 0;
 411 }
 412
 413 int wcn36xx_smd_start(struct wcn36xx *wcn)
 414 {
 415         struct wcn36xx_hal_mac_start_req_msg msg_body, *body;
 416         int ret = 0;
 417         int i;
 418         size_t len;
 419
 420         mutex_lock(&wcn->hal_mutex);
 421         INIT_HAL_MSG(msg_body, WCN36XX_HAL_START_REQ);
 422
 423         msg_body.params.type = DRIVER_TYPE_PRODUCTION;
 424         msg_body.params.len = 0;
 425
 426         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
 427
 428         body = (struct wcn36xx_hal_mac_start_req_msg *)wcn->hal_buf;
 429         len = body->header.len;
 430
 431         for (i = 0; i < ARRAY_SIZE(wcn36xx_cfg_vals); i++) {
 432                 ret = put_cfg_tlv_u32(wcn, &len, wcn36xx_cfg_vals[i].cfg_id,
 433                                       wcn36xx_cfg_vals[i].value);
 434                 if (ret)
 435                         goto out;
 436         }
 437         body->header.len = len;
 438         body->params.len = len - sizeof(*body);
 439
 440         wcn36xx_dbg(WCN36XX_DBG_HAL, "hal start type %d\n",
 441                     msg_body.params.type);
 442
 443         ret = wcn36xx_smd_send_and_wait(wcn, body->header.len);
 444         if (ret) {
 445                 wcn36xx_err("Sending hal_start failed\n");
 446                 goto out;
 447         }
 448
 449         ret = wcn36xx_smd_start_rsp(wcn, wcn->hal_buf, wcn->hal_rsp_len);
 450         if (ret) {
 451                 wcn36xx_err("hal_start response failed err=%d\n", ret);
 452                 goto out;
 453         }
 454
 455 out:
 456         mutex_unlock(&wcn->hal_mutex);
 457         return ret;
 458 }
 459
 460 int wcn36xx_smd_stop(struct wcn36xx *wcn)
 461 {
 462         struct wcn36xx_hal_mac_stop_req_msg msg_body;
 463         int ret = 0;
 464
 465         mutex_lock(&wcn->hal_mutex);
 466         INIT_HAL_MSG(msg_body, WCN36XX_HAL_STOP_REQ);
 467
 468         msg_body.stop_req_params.reason = HAL_STOP_TYPE_RF_KILL;
 469
 470         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
 471
 472         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
 473         if (ret) {
 474                 wcn36xx_err("Sending hal_stop failed\n");
 475                 goto out;
 476         }
 477         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
 478         if (ret) {
 479                 wcn36xx_err("hal_stop response failed err=%d\n", ret);
 480                 goto out;
 481         }
 482 out:
 483         mutex_unlock(&wcn->hal_mutex);
 484         return ret;
 485 }
 486
 487 int wcn36xx_smd_init_scan(struct wcn36xx *wcn, enum wcn36xx_hal_sys_mode mode)
 488 {
 489         struct wcn36xx_hal_init_scan_req_msg msg_body;
 490         int ret = 0;
 491
 492         mutex_lock(&wcn->hal_mutex);
 493         INIT_HAL_MSG(msg_body, WCN36XX_HAL_INIT_SCAN_REQ);
 494
 495         msg_body.mode = mode;
 496
 497         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
 498
 499         wcn36xx_dbg(WCN36XX_DBG_HAL, "hal init scan mode %d\n", msg_body.mode);
 500
 501         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
 502         if (ret) {
 503                 wcn36xx_err("Sending hal_init_scan failed\n");
 504                 goto out;
 505         }
 506         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
 507         if (ret) {
 508                 wcn36xx_err("hal_init_scan response failed err=%d\n", ret);
 509                 goto out;
 510         }
 511 out:
 512         mutex_unlock(&wcn->hal_mutex);
 513         return ret;
 514 }
 515
 516 int wcn36xx_smd_start_scan(struct wcn36xx *wcn)
 517 {
 518         struct wcn36xx_hal_start_scan_req_msg msg_body;
 519         int ret = 0;
 520
 521         mutex_lock(&wcn->hal_mutex);
 522         INIT_HAL_MSG(msg_body, WCN36XX_HAL_START_SCAN_REQ);
 523
 524         msg_body.scan_channel = WCN36XX_HW_CHANNEL(wcn);
 525
 526         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
 527
 528         wcn36xx_dbg(WCN36XX_DBG_HAL, "hal start scan channel %d\n",
 529                     msg_body.scan_channel);
 530
 531         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
 532         if (ret) {
 533                 wcn36xx_err("Sending hal_start_scan failed\n");
 534                 goto out;
 535         }
 536         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
 537         if (ret) {
 538                 wcn36xx_err("hal_start_scan response failed err=%d\n", ret);
 539                 goto out;
 540         }
 541 out:
 542         mutex_unlock(&wcn->hal_mutex);
 543         return ret;
 544 }
 545
 546 int wcn36xx_smd_end_scan(struct wcn36xx *wcn)
 547 {
 548         struct wcn36xx_hal_end_scan_req_msg msg_body;
 549         int ret = 0;
 550
 551         mutex_lock(&wcn->hal_mutex);
 552         INIT_HAL_MSG(msg_body, WCN36XX_HAL_END_SCAN_REQ);
 553
 554         msg_body.scan_channel = WCN36XX_HW_CHANNEL(wcn);
 555
 556         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
 557
 558         wcn36xx_dbg(WCN36XX_DBG_HAL, "hal end scan channel %d\n",
 559                     msg_body.scan_channel);
 560
 561         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
 562         if (ret) {
 563                 wcn36xx_err("Sending hal_end_scan failed\n");
 564                 goto out;
 565         }
 566         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
 567         if (ret) {
 568                 wcn36xx_err("hal_end_scan response failed err=%d\n", ret);
 569                 goto out;
 570         }
 571 out:
 572         mutex_unlock(&wcn->hal_mutex);
 573         return ret;
 574 }
 575
 576 int wcn36xx_smd_finish_scan(struct wcn36xx *wcn,
 577                             enum wcn36xx_hal_sys_mode mode)
 578 {
 579         struct wcn36xx_hal_finish_scan_req_msg msg_body;
 580         int ret = 0;
 581
 582         mutex_lock(&wcn->hal_mutex);
 583         INIT_HAL_MSG(msg_body, WCN36XX_HAL_FINISH_SCAN_REQ);
 584
 585         msg_body.mode = mode;
 586
 587         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
 588
 589         wcn36xx_dbg(WCN36XX_DBG_HAL, "hal finish scan mode %d\n",
 590                     msg_body.mode);
 591
 592         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
 593         if (ret) {
 594                 wcn36xx_err("Sending hal_finish_scan failed\n");
 595                 goto out;
 596         }
 597         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
 598         if (ret) {
 599                 wcn36xx_err("hal_finish_scan response failed err=%d\n", ret);
 600                 goto out;
 601         }
 602 out:
 603         mutex_unlock(&wcn->hal_mutex);
 604         return ret;
 605 }
 606
 607 static int wcn36xx_smd_switch_channel_rsp(void *buf, size_t len)
 608 {
 609         struct wcn36xx_hal_switch_channel_rsp_msg *rsp;
 610         int ret = 0;
 611
 612         ret = wcn36xx_smd_rsp_status_check(buf, len);
 613         if (ret)
 614                 return ret;
 615         rsp = (struct wcn36xx_hal_switch_channel_rsp_msg *)buf;
 616         wcn36xx_dbg(WCN36XX_DBG_HAL, "channel switched to: %d, status: %d\n",
 617                     rsp->channel_number, rsp->status);
 618         return ret;
 619 }
 620
 621 int wcn36xx_smd_switch_channel(struct wcn36xx *wcn,
 622                                struct ieee80211_vif *vif, int ch)
 623 {
 624         struct wcn36xx_hal_switch_channel_req_msg msg_body;
 625         int ret = 0;
 626
 627         mutex_lock(&wcn->hal_mutex);
 628         INIT_HAL_MSG(msg_body, WCN36XX_HAL_CH_SWITCH_REQ);
 629
 630         msg_body.channel_number = (u8)ch;
 631         msg_body.tx_mgmt_power = 0xbf;
 632         msg_body.max_tx_power = 0xbf;
 633         memcpy(msg_body.self_sta_mac_addr, vif->addr, ETH_ALEN);
 634
 635         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
 636
 637         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
 638         if (ret) {
 639                 wcn36xx_err("Sending hal_switch_channel failed\n");
 640                 goto out;
 641         }
 642         ret = wcn36xx_smd_switch_channel_rsp(wcn->hal_buf, wcn->hal_rsp_len);
 643         if (ret) {
 644                 wcn36xx_err("hal_switch_channel response failed err=%d\n", ret);
 645                 goto out;
 646         }
 647 out:
 648         mutex_unlock(&wcn->hal_mutex);
 649         return ret;
 650 }
 651
 652 static int wcn36xx_smd_update_scan_params_rsp(void *buf, size_t len)
 653 {
 654         struct wcn36xx_hal_update_scan_params_resp *rsp;
 655
 656         rsp = (struct wcn36xx_hal_update_scan_params_resp *)buf;
 657
 658         /* Remove the PNO version bit */
 659         rsp->status &= (~(WCN36XX_FW_MSG_PNO_VERSION_MASK));
 660
 661         if (WCN36XX_FW_MSG_RESULT_SUCCESS != rsp->status) {
 662                 wcn36xx_warn("error response from update scan\n");
 663                 return rsp->status;
 664         }
 665
 666         return 0;
 667 }
 668
 669 int wcn36xx_smd_update_scan_params(struct wcn36xx *wcn)
 670 {
 671         struct wcn36xx_hal_update_scan_params_req msg_body;
 672         int ret = 0;
 673
 674         mutex_lock(&wcn->hal_mutex);
 675         INIT_HAL_MSG(msg_body, WCN36XX_HAL_UPDATE_SCAN_PARAM_REQ);
 676
 677         msg_body.dot11d_enabled = 0;
 678         msg_body.dot11d_resolved = 0;
 679         msg_body.channel_count = 26;
 680         msg_body.active_min_ch_time = 60;
 681         msg_body.active_max_ch_time = 120;
 682         msg_body.passive_min_ch_time = 60;
 683         msg_body.passive_max_ch_time = 110;
 684         msg_body.state = 0;
 685
 686         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
 687
 688         wcn36xx_dbg(WCN36XX_DBG_HAL,
 689                     "hal update scan params channel_count %d\n",
 690                     msg_body.channel_count);
 691
 692         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
 693         if (ret) {
 694                 wcn36xx_err("Sending hal_update_scan_params failed\n");
 695                 goto out;
 696         }
 697         ret = wcn36xx_smd_update_scan_params_rsp(wcn->hal_buf,
 698                                                  wcn->hal_rsp_len);
 699         if (ret) {
 700                 wcn36xx_err("hal_update_scan_params response failed err=%d\n",
 701                             ret);
 702                 goto out;
 703         }
 704 out:
 705         mutex_unlock(&wcn->hal_mutex);
 706         return ret;
 707 }
 708
 709 static int wcn36xx_smd_add_sta_self_rsp(struct wcn36xx *wcn,
 710                                         struct ieee80211_vif *vif,
 711                                         void *buf,
 712                                         size_t len)
 713 {
 714         struct wcn36xx_hal_add_sta_self_rsp_msg *rsp;
 715         struct wcn36xx_vif *priv_vif = (struct wcn36xx_vif *)vif->drv_priv;
 716
 717         if (len < sizeof(*rsp))
 718                 return -EINVAL;
 719
 720         rsp = (struct wcn36xx_hal_add_sta_self_rsp_msg *)buf;
 721
 722         if (rsp->status != WCN36XX_FW_MSG_RESULT_SUCCESS) {
 723                 wcn36xx_warn("hal add sta self failure: %d\n",
 724                              rsp->status);
 725                 return rsp->status;
 726         }
 727
 728         wcn36xx_dbg(WCN36XX_DBG_HAL,
 729                     "hal add sta self status %d self_sta_index %d dpu_index %d\n",
 730                     rsp->status, rsp->self_sta_index, rsp->dpu_index);
 731
 732         priv_vif->self_sta_index = rsp->self_sta_index;
 733         priv_vif->self_dpu_desc_index = rsp->dpu_index;
 734
 735         return 0;
 736 }
 737
 738 int wcn36xx_smd_add_sta_self(struct wcn36xx *wcn, struct ieee80211_vif *vif)
 739 {
 740         struct wcn36xx_hal_add_sta_self_req msg_body;
 741         int ret = 0;
 742
 743         mutex_lock(&wcn->hal_mutex);
 744         INIT_HAL_MSG(msg_body, WCN36XX_HAL_ADD_STA_SELF_REQ);
 745
 746         memcpy(&msg_body.self_addr, vif->addr, ETH_ALEN);
 747
 748         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
 749
 750         wcn36xx_dbg(WCN36XX_DBG_HAL,
 751                     "hal add sta self self_addr %pM status %d\n",
 752                     msg_body.self_addr, msg_body.status);
 753
 754         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
 755         if (ret) {
 756                 wcn36xx_err("Sending hal_add_sta_self failed\n");
 757                 goto out;
 758         }
 759         ret = wcn36xx_smd_add_sta_self_rsp(wcn,
 760                                            vif,
 761                                            wcn->hal_buf,
 762                                            wcn->hal_rsp_len);
 763         if (ret) {
 764                 wcn36xx_err("hal_add_sta_self response failed err=%d\n", ret);
 765                 goto out;
 766         }
 767 out:
 768         mutex_unlock(&wcn->hal_mutex);
 769         return ret;
 770 }
 771
 772 int wcn36xx_smd_delete_sta_self(struct wcn36xx *wcn, u8 *addr)
 773 {
 774         struct wcn36xx_hal_del_sta_self_req_msg msg_body;
 775         int ret = 0;
 776
 777         mutex_lock(&wcn->hal_mutex);
 778         INIT_HAL_MSG(msg_body, WCN36XX_HAL_DEL_STA_SELF_REQ);
 779
 780         memcpy(&msg_body.self_addr, addr, ETH_ALEN);
 781
 782         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
 783
 784         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
 785         if (ret) {
 786                 wcn36xx_err("Sending hal_delete_sta_self failed\n");
 787                 goto out;
 788         }
 789         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
 790         if (ret) {
 791                 wcn36xx_err("hal_delete_sta_self response failed err=%d\n",
 792                             ret);
 793                 goto out;
 794         }
 795 out:
 796         mutex_unlock(&wcn->hal_mutex);
 797         return ret;
 798 }
 799
 800 int wcn36xx_smd_delete_sta(struct wcn36xx *wcn, u8 sta_index)
 801 {
 802         struct wcn36xx_hal_delete_sta_req_msg msg_body;
 803         int ret = 0;
 804
 805         mutex_lock(&wcn->hal_mutex);
 806         INIT_HAL_MSG(msg_body, WCN36XX_HAL_DELETE_STA_REQ);
 807
 808         msg_body.sta_index = sta_index;
 809
 810         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
 811
 812         wcn36xx_dbg(WCN36XX_DBG_HAL,
 813                     "hal delete sta sta_index %d\n",
 814                     msg_body.sta_index);
 815
 816         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
 817         if (ret) {
 818                 wcn36xx_err("Sending hal_delete_sta failed\n");
 819                 goto out;
 820         }
 821         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
 822         if (ret) {
 823                 wcn36xx_err("hal_delete_sta response failed err=%d\n", ret);
 824                 goto out;
 825         }
 826 out:
 827         mutex_unlock(&wcn->hal_mutex);
 828         return ret;
 829 }
 830
 831 static int wcn36xx_smd_join_rsp(void *buf, size_t len)
 832 {
 833         struct wcn36xx_hal_join_rsp_msg *rsp;
 834
 835         if (wcn36xx_smd_rsp_status_check(buf, len))
 836                 return -EIO;
 837
 838         rsp = (struct wcn36xx_hal_join_rsp_msg *)buf;
 839
 840         wcn36xx_dbg(WCN36XX_DBG_HAL,
 841                     "hal rsp join status %d tx_mgmt_power %d\n",
 842                     rsp->status, rsp->tx_mgmt_power);
 843
 844         return 0;
 845 }
 846
 847 int wcn36xx_smd_join(struct wcn36xx *wcn, const u8 *bssid, u8 *vif, u8 ch)
 848 {
 849         struct wcn36xx_hal_join_req_msg msg_body;
 850         int ret = 0;
 851
 852         mutex_lock(&wcn->hal_mutex);
 853         INIT_HAL_MSG(msg_body, WCN36XX_HAL_JOIN_REQ);
 854
 855         memcpy(&msg_body.bssid, bssid, ETH_ALEN);
 856         memcpy(&msg_body.self_sta_mac_addr, vif, ETH_ALEN);
 857         msg_body.channel = ch;
 858
 859         if (conf_is_ht40_minus(&wcn->hw->conf))
 860                 msg_body.secondary_channel_offset =
 861                         PHY_DOUBLE_CHANNEL_HIGH_PRIMARY;
 862         else if (conf_is_ht40_plus(&wcn->hw->conf))
 863                 msg_body.secondary_channel_offset =
 864                         PHY_DOUBLE_CHANNEL_LOW_PRIMARY;
 865         else
 866                 msg_body.secondary_channel_offset =
 867                         PHY_SINGLE_CHANNEL_CENTERED;
 868
 869         msg_body.link_state = WCN36XX_HAL_LINK_PREASSOC_STATE;
 870
 871         msg_body.max_tx_power = 0xbf;
 872         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
 873
 874         wcn36xx_dbg(WCN36XX_DBG_HAL,
 875                     "hal join req bssid %pM self_sta_mac_addr %pM channel %d link_state %d\n",
 876                     msg_body.bssid, msg_body.self_sta_mac_addr,
 877                     msg_body.channel, msg_body.link_state);
 878
 879         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
 880         if (ret) {
 881                 wcn36xx_err("Sending hal_join failed\n");
 882                 goto out;
 883         }
 884         ret = wcn36xx_smd_join_rsp(wcn->hal_buf, wcn->hal_rsp_len);
 885         if (ret) {
 886                 wcn36xx_err("hal_join response failed err=%d\n", ret);
 887                 goto out;
 888         }
 889 out:
 890         mutex_unlock(&wcn->hal_mutex);
 891         return ret;
 892 }
 893
 894 int wcn36xx_smd_set_link_st(struct wcn36xx *wcn, const u8 *bssid,
 895                             const u8 *sta_mac,
 896                             enum wcn36xx_hal_link_state state)
 897 {
 898         struct wcn36xx_hal_set_link_state_req_msg msg_body;
 899         int ret = 0;
 900
 901         mutex_lock(&wcn->hal_mutex);
 902         INIT_HAL_MSG(msg_body, WCN36XX_HAL_SET_LINK_ST_REQ);
 903
 904         memcpy(&msg_body.bssid, bssid, ETH_ALEN);
 905         memcpy(&msg_body.self_mac_addr, sta_mac, ETH_ALEN);
 906         msg_body.state = state;
 907
 908         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
 909
 910         wcn36xx_dbg(WCN36XX_DBG_HAL,
 911                     "hal set link state bssid %pM self_mac_addr %pM state %d\n",
 912                     msg_body.bssid, msg_body.self_mac_addr, msg_body.state);
 913
 914         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
 915         if (ret) {
 916                 wcn36xx_err("Sending hal_set_link_st failed\n");
 917                 goto out;
 918         }
 919         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
 920         if (ret) {
 921                 wcn36xx_err("hal_set_link_st response failed err=%d\n", ret);
 922                 goto out;
 923         }
 924 out:
 925         mutex_unlock(&wcn->hal_mutex);
 926         return ret;
 927 }
 928
 929 static void wcn36xx_smd_convert_sta_to_v1(struct wcn36xx *wcn,
 930                         const struct wcn36xx_hal_config_sta_params *orig,
 931                         struct wcn36xx_hal_config_sta_params_v1 *v1)
 932 {
 933         /* convert orig to v1 format */
 934         memcpy(&v1->bssid, orig->bssid, ETH_ALEN);
 935         memcpy(&v1->mac, orig->mac, ETH_ALEN);
 936         v1->aid = orig->aid;
 937         v1->type = orig->type;
 938         v1->listen_interval = orig->listen_interval;
 939         v1->ht_capable = orig->ht_capable;
 940
 941         v1->max_ampdu_size = orig->max_ampdu_size;
 942         v1->max_ampdu_density = orig->max_ampdu_density;
 943         v1->sgi_40mhz = orig->sgi_40mhz;
 944         v1->sgi_20Mhz = orig->sgi_20Mhz;
 945
 946         memcpy(&v1->supported_rates, &orig->supported_rates,
 947                sizeof(orig->supported_rates));
 948         v1->sta_index = orig->sta_index;
 949 }
 950
 951 static int wcn36xx_smd_config_sta_rsp(struct wcn36xx *wcn,
 952                                       struct ieee80211_sta *sta,
 953                                       void *buf,
 954                                       size_t len)
 955 {
 956         struct wcn36xx_hal_config_sta_rsp_msg *rsp;
 957         struct config_sta_rsp_params *params;
 958         struct wcn36xx_sta *sta_priv = (struct wcn36xx_sta *)sta->drv_priv;
 959
 960         if (len < sizeof(*rsp))
 961                 return -EINVAL;
 962
 963         rsp = (struct wcn36xx_hal_config_sta_rsp_msg *)buf;
 964         params = &rsp->params;
 965
 966         if (params->status != WCN36XX_FW_MSG_RESULT_SUCCESS) {
 967                 wcn36xx_warn("hal config sta response failure: %d\n",
 968                              params->status);
 969                 return -EIO;
 970         }
 971
 972         sta_priv->sta_index = params->sta_index;
 973         sta_priv->dpu_desc_index = params->dpu_index;
 974         sta_priv->ucast_dpu_sign = params->uc_ucast_sig;
 975
 976         wcn36xx_dbg(WCN36XX_DBG_HAL,
 977                     "hal config sta rsp status %d sta_index %d bssid_index %d uc_ucast_sig %d p2p %d\n",
 978                     params->status, params->sta_index, params->bssid_index,
 979                     params->uc_ucast_sig, params->p2p);
 980
 981         return 0;
 982 }
 983
 984 static int wcn36xx_smd_config_sta_v1(struct wcn36xx *wcn,
 985                      const struct wcn36xx_hal_config_sta_req_msg *orig)
 986 {
 987         struct wcn36xx_hal_config_sta_req_msg_v1 msg_body;
 988         struct wcn36xx_hal_config_sta_params_v1 *sta = &msg_body.sta_params;
 989
 990         INIT_HAL_MSG(msg_body, WCN36XX_HAL_CONFIG_STA_REQ);
 991
 992         wcn36xx_smd_convert_sta_to_v1(wcn, &orig->sta_params,
 993                                       &msg_body.sta_params);
 994
 995         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
 996
 997         wcn36xx_dbg(WCN36XX_DBG_HAL,
 998                     "hal config sta v1 action %d sta_index %d bssid_index %d bssid %pM type %d mac %pM aid %d\n",
 999                     sta->action, sta->sta_index, sta->bssid_index,
1000                     sta->bssid, sta->type, sta->mac, sta->aid);
1001
1002         return wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1003 }
1004
1005 int wcn36xx_smd_config_sta(struct wcn36xx *wcn, struct ieee80211_vif *vif,
1006                            struct ieee80211_sta *sta)
1007 {
1008         struct wcn36xx_hal_config_sta_req_msg msg;
1009         struct wcn36xx_hal_config_sta_params *sta_params;
1010         int ret = 0;
1011
1012         mutex_lock(&wcn->hal_mutex);
1013         INIT_HAL_MSG(msg, WCN36XX_HAL_CONFIG_STA_REQ);
1014
1015         sta_params = &msg.sta_params;
1016
1017         wcn36xx_smd_set_sta_params(wcn, vif, sta, sta_params);
1018
1019         if (!wcn36xx_is_fw_version(wcn, 1, 2, 2, 24)) {
1020                 ret = wcn36xx_smd_config_sta_v1(wcn, &msg);
1021         } else {
1022                 PREPARE_HAL_BUF(wcn->hal_buf, msg);
1023
1024                 wcn36xx_dbg(WCN36XX_DBG_HAL,
1025                             "hal config sta action %d sta_index %d bssid_index %d bssid %pM type %d mac %pM aid %d\n",
1026                             sta_params->action, sta_params->sta_index,
1027                             sta_params->bssid_index, sta_params->bssid,
1028                             sta_params->type, sta_params->mac, sta_params->aid);
1029
1030                 ret = wcn36xx_smd_send_and_wait(wcn, msg.header.len);
1031         }
1032         if (ret) {
1033                 wcn36xx_err("Sending hal_config_sta failed\n");
1034                 goto out;
1035         }
1036         ret = wcn36xx_smd_config_sta_rsp(wcn,
1037                                          sta,
1038                                          wcn->hal_buf,
1039                                          wcn->hal_rsp_len);
1040         if (ret) {
1041                 wcn36xx_err("hal_config_sta response failed err=%d\n", ret);
1042                 goto out;
1043         }
1044 out:
1045         mutex_unlock(&wcn->hal_mutex);
1046         return ret;
1047 }
1048
1049 static int wcn36xx_smd_config_bss_v1(struct wcn36xx *wcn,
1050                         const struct wcn36xx_hal_config_bss_req_msg *orig)
1051 {
1052         struct wcn36xx_hal_config_bss_req_msg_v1 msg_body;
1053         struct wcn36xx_hal_config_bss_params_v1 *bss = &msg_body.bss_params;
1054         struct wcn36xx_hal_config_sta_params_v1 *sta = &bss->sta;
1055
1056         INIT_HAL_MSG(msg_body, WCN36XX_HAL_CONFIG_BSS_REQ);
1057
1058         /* convert orig to v1 */
1059         memcpy(&msg_body.bss_params.bssid,
1060                &orig->bss_params.bssid, ETH_ALEN);
1061         memcpy(&msg_body.bss_params.self_mac_addr,
1062                &orig->bss_params.self_mac_addr, ETH_ALEN);
1063
1064         msg_body.bss_params.bss_type = orig->bss_params.bss_type;
1065         msg_body.bss_params.oper_mode = orig->bss_params.oper_mode;
1066         msg_body.bss_params.nw_type = orig->bss_params.nw_type;
1067
1068         msg_body.bss_params.short_slot_time_supported =
1069                 orig->bss_params.short_slot_time_supported;
1070         msg_body.bss_params.lla_coexist = orig->bss_params.lla_coexist;
1071         msg_body.bss_params.llb_coexist = orig->bss_params.llb_coexist;
1072         msg_body.bss_params.llg_coexist = orig->bss_params.llg_coexist;
1073         msg_body.bss_params.ht20_coexist = orig->bss_params.ht20_coexist;
1074         msg_body.bss_params.lln_non_gf_coexist =
1075                 orig->bss_params.lln_non_gf_coexist;
1076
1077         msg_body.bss_params.lsig_tx_op_protection_full_support =
1078                 orig->bss_params.lsig_tx_op_protection_full_support;
1079         msg_body.bss_params.rifs_mode = orig->bss_params.rifs_mode;
1080         msg_body.bss_params.beacon_interval = orig->bss_params.beacon_interval;
1081         msg_body.bss_params.dtim_period = orig->bss_params.dtim_period;
1082         msg_body.bss_params.tx_channel_width_set =
1083                 orig->bss_params.tx_channel_width_set;
1084         msg_body.bss_params.oper_channel = orig->bss_params.oper_channel;
1085         msg_body.bss_params.ext_channel = orig->bss_params.ext_channel;
1086
1087         msg_body.bss_params.reserved = orig->bss_params.reserved;
1088
1089         memcpy(&msg_body.bss_params.ssid,
1090                &orig->bss_params.ssid,
1091                sizeof(orig->bss_params.ssid));
1092
1093         msg_body.bss_params.action = orig->bss_params.action;
1094         msg_body.bss_params.rateset = orig->bss_params.rateset;
1095         msg_body.bss_params.ht = orig->bss_params.ht;
1096         msg_body.bss_params.obss_prot_enabled =
1097                 orig->bss_params.obss_prot_enabled;
1098         msg_body.bss_params.rmf = orig->bss_params.rmf;
1099         msg_body.bss_params.ht_oper_mode = orig->bss_params.ht_oper_mode;
1100         msg_body.bss_params.dual_cts_protection =
1101                 orig->bss_params.dual_cts_protection;
1102
1103         msg_body.bss_params.max_probe_resp_retry_limit =
1104                 orig->bss_params.max_probe_resp_retry_limit;
1105         msg_body.bss_params.hidden_ssid = orig->bss_params.hidden_ssid;
1106         msg_body.bss_params.proxy_probe_resp =
1107                 orig->bss_params.proxy_probe_resp;
1108         msg_body.bss_params.edca_params_valid =
1109                 orig->bss_params.edca_params_valid;
1110
1111         memcpy(&msg_body.bss_params.acbe,
1112                &orig->bss_params.acbe,
1113                sizeof(orig->bss_params.acbe));
1114         memcpy(&msg_body.bss_params.acbk,
1115                &orig->bss_params.acbk,
1116                sizeof(orig->bss_params.acbk));
1117         memcpy(&msg_body.bss_params.acvi,
1118                &orig->bss_params.acvi,
1119                sizeof(orig->bss_params.acvi));
1120         memcpy(&msg_body.bss_params.acvo,
1121                &orig->bss_params.acvo,
1122                sizeof(orig->bss_params.acvo));
1123
1124         msg_body.bss_params.ext_set_sta_key_param_valid =
1125                 orig->bss_params.ext_set_sta_key_param_valid;
1126
1127         memcpy(&msg_body.bss_params.ext_set_sta_key_param,
1128                &orig->bss_params.ext_set_sta_key_param,
1129                sizeof(orig->bss_params.acvo));
1130
1131         msg_body.bss_params.wcn36xx_hal_persona =
1132                 orig->bss_params.wcn36xx_hal_persona;
1133         msg_body.bss_params.spectrum_mgt_enable =
1134                 orig->bss_params.spectrum_mgt_enable;
1135         msg_body.bss_params.tx_mgmt_power = orig->bss_params.tx_mgmt_power;
1136         msg_body.bss_params.max_tx_power = orig->bss_params.max_tx_power;
1137
1138         wcn36xx_smd_convert_sta_to_v1(wcn, &orig->bss_params.sta,
1139                                       &msg_body.bss_params.sta);
1140
1141         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1142
1143         wcn36xx_dbg(WCN36XX_DBG_HAL,
1144                     "hal config bss v1 bssid %pM self_mac_addr %pM bss_type %d oper_mode %d nw_type %d\n",
1145                     bss->bssid, bss->self_mac_addr, bss->bss_type,
1146                     bss->oper_mode, bss->nw_type);
1147
1148         wcn36xx_dbg(WCN36XX_DBG_HAL,
1149                     "- sta bssid %pM action %d sta_index %d bssid_index %d aid %d type %d mac %pM\n",
1150                     sta->bssid, sta->action, sta->sta_index,
1151                     sta->bssid_index, sta->aid, sta->type, sta->mac);
1152
1153         return wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1154 }
1155
1156
1157 static int wcn36xx_smd_config_bss_rsp(struct wcn36xx *wcn,
1158                                       struct ieee80211_vif *vif,
1159                                       void *buf,
1160                                       size_t len)
1161 {
1162         struct wcn36xx_hal_config_bss_rsp_msg *rsp;
1163         struct wcn36xx_hal_config_bss_rsp_params *params;
1164         struct wcn36xx_vif *priv_vif = (struct wcn36xx_vif *)vif->drv_priv;
1165
1166         if (len < sizeof(*rsp))
1167                 return -EINVAL;
1168
1169         rsp = (struct wcn36xx_hal_config_bss_rsp_msg *)buf;
1170         params = &rsp->bss_rsp_params;
1171
1172         if (params->status != WCN36XX_FW_MSG_RESULT_SUCCESS) {
1173                 wcn36xx_warn("hal config bss response failure: %d\n",
1174                              params->status);
1175                 return -EIO;
1176         }
1177
1178         wcn36xx_dbg(WCN36XX_DBG_HAL,
1179                     "hal config bss rsp status %d bss_idx %d dpu_desc_index %d"
1180                     " sta_idx %d self_idx %d bcast_idx %d mac %pM"
1181                     " power %d ucast_dpu_signature %d\n",
1182                     params->status, params->bss_index, params->dpu_desc_index,
1183                     params->bss_sta_index, params->bss_self_sta_index,
1184                     params->bss_bcast_sta_idx, params->mac,
1185                     params->tx_mgmt_power, params->ucast_dpu_signature);
1186
1187         priv_vif->bss_index = params->bss_index;
1188
1189         if (priv_vif->sta) {
1190                 priv_vif->sta->bss_sta_index =  params->bss_sta_index;
1191                 priv_vif->sta->bss_dpu_desc_index = params->dpu_desc_index;
1192         }
1193
1194         priv_vif->self_ucast_dpu_sign = params->ucast_dpu_signature;
1195
1196         return 0;
1197 }
1198
1199 int wcn36xx_smd_config_bss(struct wcn36xx *wcn, struct ieee80211_vif *vif,
1200                            struct ieee80211_sta *sta, const u8 *bssid,
1201                            bool update)
1202 {
1203         struct wcn36xx_hal_config_bss_req_msg msg;
1204         struct wcn36xx_hal_config_bss_params *bss;
1205         struct wcn36xx_hal_config_sta_params *sta_params;
1206         struct wcn36xx_vif *vif_priv = (struct wcn36xx_vif *)vif->drv_priv;
1207         int ret = 0;
1208
1209         mutex_lock(&wcn->hal_mutex);
1210         INIT_HAL_MSG(msg, WCN36XX_HAL_CONFIG_BSS_REQ);
1211
1212         bss = &msg.bss_params;
1213         sta_params = &bss->sta;
1214
1215         WARN_ON(is_zero_ether_addr(bssid));
1216
1217         memcpy(&bss->bssid, bssid, ETH_ALEN);
1218
1219         memcpy(bss->self_mac_addr, vif->addr, ETH_ALEN);
1220
1221         if (vif->type == NL80211_IFTYPE_STATION) {
1222                 bss->bss_type = WCN36XX_HAL_INFRASTRUCTURE_MODE;
1223
1224                 /* STA */
1225                 bss->oper_mode = 1;
1226                 bss->wcn36xx_hal_persona = WCN36XX_HAL_STA_MODE;
1227         } else if (vif->type == NL80211_IFTYPE_AP ||
1228                    vif->type == NL80211_IFTYPE_MESH_POINT) {
1229                 bss->bss_type = WCN36XX_HAL_INFRA_AP_MODE;
1230
1231                 /* AP */
1232                 bss->oper_mode = 0;
1233                 bss->wcn36xx_hal_persona = WCN36XX_HAL_STA_SAP_MODE;
1234         } else if (vif->type == NL80211_IFTYPE_ADHOC) {
1235                 bss->bss_type = WCN36XX_HAL_IBSS_MODE;
1236
1237                 /* STA */
1238                 bss->oper_mode = 1;
1239         } else {
1240                 wcn36xx_warn("Unknown type for bss config: %d\n", vif->type);
1241         }
1242
1243         if (vif->type == NL80211_IFTYPE_STATION)
1244                 wcn36xx_smd_set_bss_nw_type(wcn, sta, bss);
1245         else
1246                 bss->nw_type = WCN36XX_HAL_11N_NW_TYPE;
1247
1248         bss->short_slot_time_supported = vif->bss_conf.use_short_slot;
1249         bss->lla_coexist = 0;
1250         bss->llb_coexist = 0;
1251         bss->llg_coexist = 0;
1252         bss->rifs_mode = 0;
1253         bss->beacon_interval = vif->bss_conf.beacon_int;
1254         bss->dtim_period = vif_priv->dtim_period;
1255
1256         wcn36xx_smd_set_bss_ht_params(vif, sta, bss);
1257
1258         bss->oper_channel = WCN36XX_HW_CHANNEL(wcn);
1259
1260         if (conf_is_ht40_minus(&wcn->hw->conf))
1261                 bss->ext_channel = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
1262         else if (conf_is_ht40_plus(&wcn->hw->conf))
1263                 bss->ext_channel = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
1264         else
1265                 bss->ext_channel = IEEE80211_HT_PARAM_CHA_SEC_NONE;
1266
1267         bss->reserved = 0;
1268         wcn36xx_smd_set_sta_params(wcn, vif, sta, sta_params);
1269
1270         /* wcn->ssid is only valid in AP and IBSS mode */
1271         bss->ssid.length = vif_priv->ssid.length;
1272         memcpy(bss->ssid.ssid, vif_priv->ssid.ssid, vif_priv->ssid.length);
1273
1274         bss->obss_prot_enabled = 0;
1275         bss->rmf = 0;
1276         bss->max_probe_resp_retry_limit = 0;
1277         bss->hidden_ssid = vif->bss_conf.hidden_ssid;
1278         bss->proxy_probe_resp = 0;
1279         bss->edca_params_valid = 0;
1280
1281         /* FIXME: set acbe, acbk, acvi and acvo */
1282
1283         bss->ext_set_sta_key_param_valid = 0;
1284
1285         /* FIXME: set ext_set_sta_key_param */
1286
1287         bss->spectrum_mgt_enable = 0;
1288         bss->tx_mgmt_power = 0;
1289         bss->max_tx_power = WCN36XX_MAX_POWER(wcn);
1290
1291         bss->action = update;
1292
1293         wcn36xx_dbg(WCN36XX_DBG_HAL,
1294                     "hal config bss bssid %pM self_mac_addr %pM bss_type %d oper_mode %d nw_type %d\n",
1295                     bss->bssid, bss->self_mac_addr, bss->bss_type,
1296                     bss->oper_mode, bss->nw_type);
1297
1298         wcn36xx_dbg(WCN36XX_DBG_HAL,
1299                     "- sta bssid %pM action %d sta_index %d bssid_index %d aid %d type %d mac %pM\n",
1300                     sta_params->bssid, sta_params->action,
1301                     sta_params->sta_index, sta_params->bssid_index,
1302                     sta_params->aid, sta_params->type,
1303                     sta_params->mac);
1304
1305         if (!wcn36xx_is_fw_version(wcn, 1, 2, 2, 24)) {
1306                 ret = wcn36xx_smd_config_bss_v1(wcn, &msg);
1307         } else {
1308                 PREPARE_HAL_BUF(wcn->hal_buf, msg);
1309
1310                 ret = wcn36xx_smd_send_and_wait(wcn, msg.header.len);
1311         }
1312         if (ret) {
1313                 wcn36xx_err("Sending hal_config_bss failed\n");
1314                 goto out;
1315         }
1316         ret = wcn36xx_smd_config_bss_rsp(wcn,
1317                                          vif,
1318                                          wcn->hal_buf,
1319                                          wcn->hal_rsp_len);
1320         if (ret) {
1321                 wcn36xx_err("hal_config_bss response failed err=%d\n", ret);
1322                 goto out;
1323         }
1324 out:
1325         mutex_unlock(&wcn->hal_mutex);
1326         return ret;
1327 }
1328
1329 int wcn36xx_smd_delete_bss(struct wcn36xx *wcn, struct ieee80211_vif *vif)
1330 {
1331         struct wcn36xx_hal_delete_bss_req_msg msg_body;
1332         struct wcn36xx_vif *priv_vif = (struct wcn36xx_vif *)vif->drv_priv;
1333         int ret = 0;
1334
1335         mutex_lock(&wcn->hal_mutex);
1336         INIT_HAL_MSG(msg_body, WCN36XX_HAL_DELETE_BSS_REQ);
1337
1338         msg_body.bss_index = priv_vif->bss_index;
1339
1340         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1341
1342         wcn36xx_dbg(WCN36XX_DBG_HAL, "hal delete bss %d\n", msg_body.bss_index);
1343
1344         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1345         if (ret) {
1346                 wcn36xx_err("Sending hal_delete_bss failed\n");
1347                 goto out;
1348         }
1349         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1350         if (ret) {
1351                 wcn36xx_err("hal_delete_bss response failed err=%d\n", ret);
1352                 goto out;
1353         }
1354 out:
1355         mutex_unlock(&wcn->hal_mutex);
1356         return ret;
1357 }
1358
1359 int wcn36xx_smd_send_beacon(struct wcn36xx *wcn, struct ieee80211_vif *vif,
1360                             struct sk_buff *skb_beacon, u16 tim_off,
1361                             u16 p2p_off)
1362 {
1363         struct wcn36xx_hal_send_beacon_req_msg msg_body;
1364         int ret = 0;
1365
1366         mutex_lock(&wcn->hal_mutex);
1367         INIT_HAL_MSG(msg_body, WCN36XX_HAL_SEND_BEACON_REQ);
1368
1369         /* TODO need to find out why this is needed? */
1370         msg_body.beacon_length = skb_beacon->len + 6;
1371
1372         if (BEACON_TEMPLATE_SIZE > msg_body.beacon_length) {
1373                 memcpy(&msg_body.beacon, &skb_beacon->len, sizeof(u32));
1374                 memcpy(&(msg_body.beacon[4]), skb_beacon->data,
1375                        skb_beacon->len);
1376         } else {
1377                 wcn36xx_err("Beacon is to big: beacon size=%d\n",
1378                               msg_body.beacon_length);
1379                 ret = -ENOMEM;
1380                 goto out;
1381         }
1382         memcpy(msg_body.bssid, vif->addr, ETH_ALEN);
1383
1384         /* TODO need to find out why this is needed? */
1385         if (vif->type == NL80211_IFTYPE_MESH_POINT)
1386                 /* mesh beacon don't need this, so push further down */
1387                 msg_body.tim_ie_offset = 256;
1388         else
1389                 msg_body.tim_ie_offset = tim_off+4;
1390         msg_body.p2p_ie_offset = p2p_off;
1391         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1392
1393         wcn36xx_dbg(WCN36XX_DBG_HAL,
1394                     "hal send beacon beacon_length %d\n",
1395                     msg_body.beacon_length);
1396
1397         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1398         if (ret) {
1399                 wcn36xx_err("Sending hal_send_beacon failed\n");
1400                 goto out;
1401         }
1402         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1403         if (ret) {
1404                 wcn36xx_err("hal_send_beacon response failed err=%d\n", ret);
1405                 goto out;
1406         }
1407 out:
1408         mutex_unlock(&wcn->hal_mutex);
1409         return ret;
1410 }
1411
1412 int wcn36xx_smd_update_proberesp_tmpl(struct wcn36xx *wcn,
1413                                       struct ieee80211_vif *vif,
1414                                       struct sk_buff *skb)
1415 {
1416         struct wcn36xx_hal_send_probe_resp_req_msg msg;
1417         int ret = 0;
1418
1419         mutex_lock(&wcn->hal_mutex);
1420         INIT_HAL_MSG(msg, WCN36XX_HAL_UPDATE_PROBE_RSP_TEMPLATE_REQ);
1421
1422         if (skb->len > BEACON_TEMPLATE_SIZE) {
1423                 wcn36xx_warn("probe response template is too big: %d\n",
1424                              skb->len);
1425                 ret = -E2BIG;
1426                 goto out;
1427         }
1428
1429         msg.probe_resp_template_len = skb->len;
1430         memcpy(&msg.probe_resp_template, skb->data, skb->len);
1431
1432         memcpy(msg.bssid, vif->addr, ETH_ALEN);
1433
1434         PREPARE_HAL_BUF(wcn->hal_buf, msg);
1435
1436         wcn36xx_dbg(WCN36XX_DBG_HAL,
1437                     "hal update probe rsp len %d bssid %pM\n",
1438                     msg.probe_resp_template_len, msg.bssid);
1439
1440         ret = wcn36xx_smd_send_and_wait(wcn, msg.header.len);
1441         if (ret) {
1442                 wcn36xx_err("Sending hal_update_proberesp_tmpl failed\n");
1443                 goto out;
1444         }
1445         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1446         if (ret) {
1447                 wcn36xx_err("hal_update_proberesp_tmpl response failed err=%d\n",
1448                             ret);
1449                 goto out;
1450         }
1451 out:
1452         mutex_unlock(&wcn->hal_mutex);
1453         return ret;
1454 }
1455
1456 int wcn36xx_smd_set_stakey(struct wcn36xx *wcn,
1457                            enum ani_ed_type enc_type,
1458                            u8 keyidx,
1459                            u8 keylen,
1460                            u8 *key,
1461                            u8 sta_index)
1462 {
1463         struct wcn36xx_hal_set_sta_key_req_msg msg_body;
1464         int ret = 0;
1465
1466         mutex_lock(&wcn->hal_mutex);
1467         INIT_HAL_MSG(msg_body, WCN36XX_HAL_SET_STAKEY_REQ);
1468
1469         msg_body.set_sta_key_params.sta_index = sta_index;
1470         msg_body.set_sta_key_params.enc_type = enc_type;
1471
1472         msg_body.set_sta_key_params.key[0].id = keyidx;
1473         msg_body.set_sta_key_params.key[0].unicast = 1;
1474         msg_body.set_sta_key_params.key[0].direction = WCN36XX_HAL_TX_RX;
1475         msg_body.set_sta_key_params.key[0].pae_role = 0;
1476         msg_body.set_sta_key_params.key[0].length = keylen;
1477         memcpy(msg_body.set_sta_key_params.key[0].key, key, keylen);
1478         msg_body.set_sta_key_params.single_tid_rc = 1;
1479
1480         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1481
1482         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1483         if (ret) {
1484                 wcn36xx_err("Sending hal_set_stakey failed\n");
1485                 goto out;
1486         }
1487         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1488         if (ret) {
1489                 wcn36xx_err("hal_set_stakey response failed err=%d\n", ret);
1490                 goto out;
1491         }
1492 out:
1493         mutex_unlock(&wcn->hal_mutex);
1494         return ret;
1495 }
1496
1497 int wcn36xx_smd_set_bsskey(struct wcn36xx *wcn,
1498                            enum ani_ed_type enc_type,
1499                            u8 keyidx,
1500                            u8 keylen,
1501                            u8 *key)
1502 {
1503         struct wcn36xx_hal_set_bss_key_req_msg msg_body;
1504         int ret = 0;
1505
1506         mutex_lock(&wcn->hal_mutex);
1507         INIT_HAL_MSG(msg_body, WCN36XX_HAL_SET_BSSKEY_REQ);
1508         msg_body.bss_idx = 0;
1509         msg_body.enc_type = enc_type;
1510         msg_body.num_keys = 1;
1511         msg_body.keys[0].id = keyidx;
1512         msg_body.keys[0].unicast = 0;
1513         msg_body.keys[0].direction = WCN36XX_HAL_RX_ONLY;
1514         msg_body.keys[0].pae_role = 0;
1515         msg_body.keys[0].length = keylen;
1516         memcpy(msg_body.keys[0].key, key, keylen);
1517
1518         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1519
1520         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1521         if (ret) {
1522                 wcn36xx_err("Sending hal_set_bsskey failed\n");
1523                 goto out;
1524         }
1525         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1526         if (ret) {
1527                 wcn36xx_err("hal_set_bsskey response failed err=%d\n", ret);
1528                 goto out;
1529         }
1530 out:
1531         mutex_unlock(&wcn->hal_mutex);
1532         return ret;
1533 }
1534
1535 int wcn36xx_smd_remove_stakey(struct wcn36xx *wcn,
1536                               enum ani_ed_type enc_type,
1537                               u8 keyidx,
1538                               u8 sta_index)
1539 {
1540         struct wcn36xx_hal_remove_sta_key_req_msg msg_body;
1541         int ret = 0;
1542
1543         mutex_lock(&wcn->hal_mutex);
1544         INIT_HAL_MSG(msg_body, WCN36XX_HAL_RMV_STAKEY_REQ);
1545
1546         msg_body.sta_idx = sta_index;
1547         msg_body.enc_type = enc_type;
1548         msg_body.key_id = keyidx;
1549
1550         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1551
1552         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1553         if (ret) {
1554                 wcn36xx_err("Sending hal_remove_stakey failed\n");
1555                 goto out;
1556         }
1557         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1558         if (ret) {
1559                 wcn36xx_err("hal_remove_stakey response failed err=%d\n", ret);
1560                 goto out;
1561         }
1562 out:
1563         mutex_unlock(&wcn->hal_mutex);
1564         return ret;
1565 }
1566
1567 int wcn36xx_smd_remove_bsskey(struct wcn36xx *wcn,
1568                               enum ani_ed_type enc_type,
1569                               u8 keyidx)
1570 {
1571         struct wcn36xx_hal_remove_bss_key_req_msg msg_body;
1572         int ret = 0;
1573
1574         mutex_lock(&wcn->hal_mutex);
1575         INIT_HAL_MSG(msg_body, WCN36XX_HAL_RMV_BSSKEY_REQ);
1576         msg_body.bss_idx = 0;
1577         msg_body.enc_type = enc_type;
1578         msg_body.key_id = keyidx;
1579
1580         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1581
1582         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1583         if (ret) {
1584                 wcn36xx_err("Sending hal_remove_bsskey failed\n");
1585                 goto out;
1586         }
1587         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1588         if (ret) {
1589                 wcn36xx_err("hal_remove_bsskey response failed err=%d\n", ret);
1590                 goto out;
1591         }
1592 out:
1593         mutex_unlock(&wcn->hal_mutex);
1594         return ret;
1595 }
1596
1597 int wcn36xx_smd_enter_bmps(struct wcn36xx *wcn, struct ieee80211_vif *vif)
1598 {
1599         struct wcn36xx_hal_enter_bmps_req_msg msg_body;
1600         struct wcn36xx_vif *vif_priv = (struct wcn36xx_vif *)vif->drv_priv;
1601         int ret = 0;
1602
1603         mutex_lock(&wcn->hal_mutex);
1604         INIT_HAL_MSG(msg_body, WCN36XX_HAL_ENTER_BMPS_REQ);
1605
1606         msg_body.bss_index = vif_priv->bss_index;
1607         msg_body.tbtt = vif->bss_conf.sync_tsf;
1608         msg_body.dtim_period = vif_priv->dtim_period;
1609
1610         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1611
1612         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1613         if (ret) {
1614                 wcn36xx_err("Sending hal_enter_bmps failed\n");
1615                 goto out;
1616         }
1617         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1618         if (ret) {
1619                 wcn36xx_err("hal_enter_bmps response failed err=%d\n", ret);
1620                 goto out;
1621         }
1622 out:
1623         mutex_unlock(&wcn->hal_mutex);
1624         return ret;
1625 }
1626
1627 int wcn36xx_smd_exit_bmps(struct wcn36xx *wcn, struct ieee80211_vif *vif)
1628 {
1629         struct wcn36xx_hal_enter_bmps_req_msg msg_body;
1630         struct wcn36xx_vif *vif_priv = (struct wcn36xx_vif *)vif->drv_priv;
1631         int ret = 0;
1632
1633         mutex_lock(&wcn->hal_mutex);
1634         INIT_HAL_MSG(msg_body, WCN36XX_HAL_EXIT_BMPS_REQ);
1635
1636         msg_body.bss_index = vif_priv->bss_index;
1637
1638         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1639
1640         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1641         if (ret) {
1642                 wcn36xx_err("Sending hal_exit_bmps failed\n");
1643                 goto out;
1644         }
1645         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1646         if (ret) {
1647                 wcn36xx_err("hal_exit_bmps response failed err=%d\n", ret);
1648                 goto out;
1649         }
1650 out:
1651         mutex_unlock(&wcn->hal_mutex);
1652         return ret;
1653 }
1654 int wcn36xx_smd_set_power_params(struct wcn36xx *wcn, bool ignore_dtim)
1655 {
1656         struct wcn36xx_hal_set_power_params_req_msg msg_body;
1657         int ret = 0;
1658
1659         mutex_lock(&wcn->hal_mutex);
1660         INIT_HAL_MSG(msg_body, WCN36XX_HAL_SET_POWER_PARAMS_REQ);
1661
1662         /*
1663          * When host is down ignore every second dtim
1664          */
1665         if (ignore_dtim) {
1666                 msg_body.ignore_dtim = 1;
1667                 msg_body.dtim_period = 2;
1668         }
1669         msg_body.listen_interval = WCN36XX_LISTEN_INTERVAL(wcn);
1670
1671         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1672
1673         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1674         if (ret) {
1675                 wcn36xx_err("Sending hal_set_power_params failed\n");
1676                 goto out;
1677         }
1678
1679 out:
1680         mutex_unlock(&wcn->hal_mutex);
1681         return ret;
1682 }
1683 /* Notice: This function should be called after associated, or else it
1684  * will be invalid
1685  */
1686 int wcn36xx_smd_keep_alive_req(struct wcn36xx *wcn,
1687                                struct ieee80211_vif *vif,
1688                                int packet_type)
1689 {
1690         struct wcn36xx_hal_keep_alive_req_msg msg_body;
1691         struct wcn36xx_vif *vif_priv = (struct wcn36xx_vif *)vif->drv_priv;
1692         int ret = 0;
1693
1694         mutex_lock(&wcn->hal_mutex);
1695         INIT_HAL_MSG(msg_body, WCN36XX_HAL_KEEP_ALIVE_REQ);
1696
1697         if (packet_type == WCN36XX_HAL_KEEP_ALIVE_NULL_PKT) {
1698                 msg_body.bss_index = vif_priv->bss_index;
1699                 msg_body.packet_type = WCN36XX_HAL_KEEP_ALIVE_NULL_PKT;
1700                 msg_body.time_period = WCN36XX_KEEP_ALIVE_TIME_PERIOD;
1701         } else if (packet_type == WCN36XX_HAL_KEEP_ALIVE_UNSOLICIT_ARP_RSP) {
1702                 /* TODO: it also support ARP response type */
1703         } else {
1704                 wcn36xx_warn("unknown keep alive packet type %d\n", packet_type);
1705                 ret = -EINVAL;
1706                 goto out;
1707         }
1708
1709         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1710
1711         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1712         if (ret) {
1713                 wcn36xx_err("Sending hal_keep_alive failed\n");
1714                 goto out;
1715         }
1716         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1717         if (ret) {
1718                 wcn36xx_err("hal_keep_alive response failed err=%d\n", ret);
1719                 goto out;
1720         }
1721 out:
1722         mutex_unlock(&wcn->hal_mutex);
1723         return ret;
1724 }
1725
1726 int wcn36xx_smd_dump_cmd_req(struct wcn36xx *wcn, u32 arg1, u32 arg2,
1727                              u32 arg3, u32 arg4, u32 arg5)
1728 {
1729         struct wcn36xx_hal_dump_cmd_req_msg msg_body;
1730         int ret = 0;
1731
1732         mutex_lock(&wcn->hal_mutex);
1733         INIT_HAL_MSG(msg_body, WCN36XX_HAL_DUMP_COMMAND_REQ);
1734
1735         msg_body.arg1 = arg1;
1736         msg_body.arg2 = arg2;
1737         msg_body.arg3 = arg3;
1738         msg_body.arg4 = arg4;
1739         msg_body.arg5 = arg5;
1740
1741         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1742
1743         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1744         if (ret) {
1745                 wcn36xx_err("Sending hal_dump_cmd failed\n");
1746                 goto out;
1747         }
1748         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1749         if (ret) {
1750                 wcn36xx_err("hal_dump_cmd response failed err=%d\n", ret);
1751                 goto out;
1752         }
1753 out:
1754         mutex_unlock(&wcn->hal_mutex);
1755         return ret;
1756 }
1757
1758 void set_feat_caps(u32 *bitmap, enum place_holder_in_cap_bitmap cap)
1759 {
1760         int arr_idx, bit_idx;
1761
1762         if (cap < 0 || cap > 127) {
1763                 wcn36xx_warn("error cap idx %d\n", cap);
1764                 return;
1765         }
1766
1767         arr_idx = cap / 32;
1768         bit_idx = cap % 32;
1769         bitmap[arr_idx] |= (1 << bit_idx);
1770 }
1771
1772 int get_feat_caps(u32 *bitmap, enum place_holder_in_cap_bitmap cap)
1773 {
1774         int arr_idx, bit_idx;
1775         int ret = 0;
1776
1777         if (cap < 0 || cap > 127) {
1778                 wcn36xx_warn("error cap idx %d\n", cap);
1779                 return -EINVAL;
1780         }
1781
1782         arr_idx = cap / 32;
1783         bit_idx = cap % 32;
1784         ret = (bitmap[arr_idx] & (1 << bit_idx)) ? 1 : 0;
1785         return ret;
1786 }
1787
1788 void clear_feat_caps(u32 *bitmap, enum place_holder_in_cap_bitmap cap)
1789 {
1790         int arr_idx, bit_idx;
1791
1792         if (cap < 0 || cap > 127) {
1793                 wcn36xx_warn("error cap idx %d\n", cap);
1794                 return;
1795         }
1796
1797         arr_idx = cap / 32;
1798         bit_idx = cap % 32;
1799         bitmap[arr_idx] &= ~(1 << bit_idx);
1800 }
1801
1802 int wcn36xx_smd_feature_caps_exchange(struct wcn36xx *wcn)
1803 {
1804         struct wcn36xx_hal_feat_caps_msg msg_body, *rsp;
1805         int ret = 0, i;
1806
1807         mutex_lock(&wcn->hal_mutex);
1808         INIT_HAL_MSG(msg_body, WCN36XX_HAL_FEATURE_CAPS_EXCHANGE_REQ);
1809
1810         set_feat_caps(msg_body.feat_caps, STA_POWERSAVE);
1811
1812         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1813
1814         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1815         if (ret) {
1816                 wcn36xx_err("Sending hal_feature_caps_exchange failed\n");
1817                 goto out;
1818         }
1819         if (wcn->hal_rsp_len != sizeof(*rsp)) {
1820                 wcn36xx_err("Invalid hal_feature_caps_exchange response");
1821                 goto out;
1822         }
1823
1824         rsp = (struct wcn36xx_hal_feat_caps_msg *) wcn->hal_buf;
1825
1826         for (i = 0; i < WCN36XX_HAL_CAPS_SIZE; i++)
1827                 wcn->fw_feat_caps[i] = rsp->feat_caps[i];
1828 out:
1829         mutex_unlock(&wcn->hal_mutex);
1830         return ret;
1831 }
1832
1833 int wcn36xx_smd_add_ba_session(struct wcn36xx *wcn,
1834                 struct ieee80211_sta *sta,
1835                 u16 tid,
1836                 u16 *ssn,
1837                 u8 direction,
1838                 u8 sta_index)
1839 {
1840         struct wcn36xx_hal_add_ba_session_req_msg msg_body;
1841         int ret = 0;
1842
1843         mutex_lock(&wcn->hal_mutex);
1844         INIT_HAL_MSG(msg_body, WCN36XX_HAL_ADD_BA_SESSION_REQ);
1845
1846         msg_body.sta_index = sta_index;
1847         memcpy(&msg_body.mac_addr, sta->addr, ETH_ALEN);
1848         msg_body.dialog_token = 0x10;
1849         msg_body.tid = tid;
1850
1851         /* Immediate BA because Delayed BA is not supported */
1852         msg_body.policy = 1;
1853         msg_body.buffer_size = WCN36XX_AGGR_BUFFER_SIZE;
1854         msg_body.timeout = 0;
1855         if (ssn)
1856                 msg_body.ssn = *ssn;
1857         msg_body.direction = direction;
1858
1859         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1860
1861         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1862         if (ret) {
1863                 wcn36xx_err("Sending hal_add_ba_session failed\n");
1864                 goto out;
1865         }
1866         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1867         if (ret) {
1868                 wcn36xx_err("hal_add_ba_session response failed err=%d\n", ret);
1869                 goto out;
1870         }
1871 out:
1872         mutex_unlock(&wcn->hal_mutex);
1873         return ret;
1874 }
1875
1876 int wcn36xx_smd_add_ba(struct wcn36xx *wcn)
1877 {
1878         struct wcn36xx_hal_add_ba_req_msg msg_body;
1879         int ret = 0;
1880
1881         mutex_lock(&wcn->hal_mutex);
1882         INIT_HAL_MSG(msg_body, WCN36XX_HAL_ADD_BA_REQ);
1883
1884         msg_body.session_id = 0;
1885         msg_body.win_size = WCN36XX_AGGR_BUFFER_SIZE;
1886
1887         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1888
1889         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1890         if (ret) {
1891                 wcn36xx_err("Sending hal_add_ba failed\n");
1892                 goto out;
1893         }
1894         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1895         if (ret) {
1896                 wcn36xx_err("hal_add_ba response failed err=%d\n", ret);
1897                 goto out;
1898         }
1899 out:
1900         mutex_unlock(&wcn->hal_mutex);
1901         return ret;
1902 }
1903
1904 int wcn36xx_smd_del_ba(struct wcn36xx *wcn, u16 tid, u8 sta_index)
1905 {
1906         struct wcn36xx_hal_del_ba_req_msg msg_body;
1907         int ret = 0;
1908
1909         mutex_lock(&wcn->hal_mutex);
1910         INIT_HAL_MSG(msg_body, WCN36XX_HAL_DEL_BA_REQ);
1911
1912         msg_body.sta_index = sta_index;
1913         msg_body.tid = tid;
1914         msg_body.direction = 0;
1915         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1916
1917         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1918         if (ret) {
1919                 wcn36xx_err("Sending hal_del_ba failed\n");
1920                 goto out;
1921         }
1922         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1923         if (ret) {
1924                 wcn36xx_err("hal_del_ba response failed err=%d\n", ret);
1925                 goto out;
1926         }
1927 out:
1928         mutex_unlock(&wcn->hal_mutex);
1929         return ret;
1930 }
1931
1932 int wcn36xx_smd_trigger_ba(struct wcn36xx *wcn, u8 sta_index)
1933 {
1934         struct wcn36xx_hal_trigger_ba_req_msg msg_body;
1935         struct wcn36xx_hal_trigger_ba_req_candidate *candidate;
1936         int ret = 0;
1937
1938         mutex_lock(&wcn->hal_mutex);
1939         INIT_HAL_MSG(msg_body, WCN36XX_HAL_TRIGGER_BA_REQ);
1940
1941         msg_body.session_id = 0;
1942         msg_body.candidate_cnt = 1;
1943         msg_body.header.len += sizeof(*candidate);
1944         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1945
1946         candidate = (struct wcn36xx_hal_trigger_ba_req_candidate *)
1947                 (wcn->hal_buf + sizeof(msg_body));
1948         candidate->sta_index = sta_index;
1949         candidate->tid_bitmap = 1;
1950
1951         ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1952         if (ret) {
1953                 wcn36xx_err("Sending hal_trigger_ba failed\n");
1954                 goto out;
1955         }
1956         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1957         if (ret) {
1958                 wcn36xx_err("hal_trigger_ba response failed err=%d\n", ret);
1959                 goto out;
1960         }
1961 out:
1962         mutex_unlock(&wcn->hal_mutex);
1963         return ret;
1964 }
1965
1966 static int wcn36xx_smd_tx_compl_ind(struct wcn36xx *wcn, void *buf, size_t len)
1967 {
1968         struct wcn36xx_hal_tx_compl_ind_msg *rsp = buf;
1969
1970         if (len != sizeof(*rsp)) {
1971                 wcn36xx_warn("Bad TX complete indication\n");
1972                 return -EIO;
1973         }
1974
1975         wcn36xx_dxe_tx_ack_ind(wcn, rsp->status);
1976
1977         return 0;
1978 }
1979
1980 static int wcn36xx_smd_missed_beacon_ind(struct wcn36xx *wcn,
1981                                          void *buf,
1982                                          size_t len)
1983 {
1984         struct wcn36xx_hal_missed_beacon_ind_msg *rsp = buf;
1985         struct ieee80211_vif *vif = NULL;
1986         struct wcn36xx_vif *tmp;
1987
1988         /* Old FW does not have bss index */
1989         if (wcn36xx_is_fw_version(wcn, 1, 2, 2, 24)) {
1990                 list_for_each_entry(tmp, &wcn->vif_list, list) {
1991                         wcn36xx_dbg(WCN36XX_DBG_HAL, "beacon missed bss_index %d\n",
1992                                     tmp->bss_index);
1993                         vif = container_of((void *)tmp,
1994                                                  struct ieee80211_vif,
1995                                                  drv_priv);
1996                         ieee80211_connection_loss(vif);
1997                 }
1998                 return 0;
1999         }
2000
2001         if (len != sizeof(*rsp)) {
2002                 wcn36xx_warn("Corrupted missed beacon indication\n");
2003                 return -EIO;
2004         }
2005
2006         list_for_each_entry(tmp, &wcn->vif_list, list) {
2007                 if (tmp->bss_index == rsp->bss_index) {
2008                         wcn36xx_dbg(WCN36XX_DBG_HAL, "beacon missed bss_index %d\n",
2009                                     rsp->bss_index);
2010                         vif = container_of((void *)tmp,
2011                                                  struct ieee80211_vif,
2012                                                  drv_priv);
2013                         ieee80211_connection_loss(vif);
2014                         return 0;
2015                 }
2016         }
2017
2018         wcn36xx_warn("BSS index %d not found\n", rsp->bss_index);
2019         return -ENOENT;
2020 }
2021
2022 static int wcn36xx_smd_delete_sta_context_ind(struct wcn36xx *wcn,
2023                                               void *buf,
2024                                               size_t len)
2025 {
2026         struct wcn36xx_hal_delete_sta_context_ind_msg *rsp = buf;
2027         struct wcn36xx_vif *tmp;
2028         struct ieee80211_sta *sta = NULL;
2029
2030         if (len != sizeof(*rsp)) {
2031                 wcn36xx_warn("Corrupted delete sta indication\n");
2032                 return -EIO;
2033         }
2034
2035         list_for_each_entry(tmp, &wcn->vif_list, list) {
2036                 if (sta && (tmp->sta->sta_index == rsp->sta_id)) {
2037                         sta = container_of((void *)tmp->sta,
2038                                                  struct ieee80211_sta,
2039                                                  drv_priv);
2040                         wcn36xx_dbg(WCN36XX_DBG_HAL,
2041                                     "delete station indication %pM index %d\n",
2042                                     rsp->addr2,
2043                                     rsp->sta_id);
2044                         ieee80211_report_low_ack(sta, 0);
2045                         return 0;
2046                 }
2047         }
2048
2049         wcn36xx_warn("STA with addr %pM and index %d not found\n",
2050                      rsp->addr2,
2051                      rsp->sta_id);
2052         return -ENOENT;
2053 }
2054
2055 int wcn36xx_smd_update_cfg(struct wcn36xx *wcn, u32 cfg_id, u32 value)
2056 {
2057         struct wcn36xx_hal_update_cfg_req_msg msg_body, *body;
2058         size_t len;
2059         int ret = 0;
2060
2061         mutex_lock(&wcn->hal_mutex);
2062         INIT_HAL_MSG(msg_body, WCN36XX_HAL_UPDATE_CFG_REQ);
2063
2064         PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
2065
2066         body = (struct wcn36xx_hal_update_cfg_req_msg *) wcn->hal_buf;
2067         len = msg_body.header.len;
2068
2069         put_cfg_tlv_u32(wcn, &len, cfg_id, value);
2070         body->header.len = len;
2071         body->len = len - sizeof(*body);
2072
2073         ret = wcn36xx_smd_send_and_wait(wcn, body->header.len);
2074         if (ret) {
2075                 wcn36xx_err("Sending hal_update_cfg failed\n");
2076                 goto out;
2077         }
2078         ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
2079         if (ret) {
2080                 wcn36xx_err("hal_update_cfg response failed err=%d\n", ret);
2081                 goto out;
2082         }
2083 out:
2084         mutex_unlock(&wcn->hal_mutex);
2085         return ret;
2086 }
2087 static void wcn36xx_smd_rsp_process(struct wcn36xx *wcn, void *buf, size_t len)
2088 {
2089         struct wcn36xx_hal_msg_header *msg_header = buf;
2090         struct wcn36xx_hal_ind_msg *msg_ind;
2091         wcn36xx_dbg_dump(WCN36XX_DBG_SMD_DUMP, "SMD <<< ", buf, len);
2092
2093         switch (msg_header->msg_type) {
2094         case WCN36XX_HAL_START_RSP:
2095         case WCN36XX_HAL_CONFIG_STA_RSP:
2096         case WCN36XX_HAL_CONFIG_BSS_RSP:
2097         case WCN36XX_HAL_ADD_STA_SELF_RSP:
2098         case WCN36XX_HAL_STOP_RSP:
2099         case WCN36XX_HAL_DEL_STA_SELF_RSP:
2100         case WCN36XX_HAL_DELETE_STA_RSP:
2101         case WCN36XX_HAL_INIT_SCAN_RSP:
2102         case WCN36XX_HAL_START_SCAN_RSP:
2103         case WCN36XX_HAL_END_SCAN_RSP:
2104         case WCN36XX_HAL_FINISH_SCAN_RSP:
2105         case WCN36XX_HAL_DOWNLOAD_NV_RSP:
2106         case WCN36XX_HAL_DELETE_BSS_RSP:
2107         case WCN36XX_HAL_SEND_BEACON_RSP:
2108         case WCN36XX_HAL_SET_LINK_ST_RSP:
2109         case WCN36XX_HAL_UPDATE_PROBE_RSP_TEMPLATE_RSP:
2110         case WCN36XX_HAL_SET_BSSKEY_RSP:
2111         case WCN36XX_HAL_SET_STAKEY_RSP:
2112         case WCN36XX_HAL_RMV_STAKEY_RSP:
2113         case WCN36XX_HAL_RMV_BSSKEY_RSP:
2114         case WCN36XX_HAL_ENTER_BMPS_RSP:
2115         case WCN36XX_HAL_SET_POWER_PARAMS_RSP:
2116         case WCN36XX_HAL_EXIT_BMPS_RSP:
2117         case WCN36XX_HAL_KEEP_ALIVE_RSP:
2118         case WCN36XX_HAL_DUMP_COMMAND_RSP:
2119         case WCN36XX_HAL_ADD_BA_SESSION_RSP:
2120         case WCN36XX_HAL_ADD_BA_RSP:
2121         case WCN36XX_HAL_DEL_BA_RSP:
2122         case WCN36XX_HAL_TRIGGER_BA_RSP:
2123         case WCN36XX_HAL_UPDATE_CFG_RSP:
2124         case WCN36XX_HAL_JOIN_RSP:
2125         case WCN36XX_HAL_UPDATE_SCAN_PARAM_RSP:
2126         case WCN36XX_HAL_CH_SWITCH_RSP:
2127         case WCN36XX_HAL_FEATURE_CAPS_EXCHANGE_RSP:
2128                 memcpy(wcn->hal_buf, buf, len);
2129                 wcn->hal_rsp_len = len;
2130                 complete(&wcn->hal_rsp_compl);
2131                 break;
2132
2133         case WCN36XX_HAL_OTA_TX_COMPL_IND:
2134         case WCN36XX_HAL_MISSED_BEACON_IND:
2135         case WCN36XX_HAL_DELETE_STA_CONTEXT_IND:
2136                 msg_ind = kmalloc(sizeof(*msg_ind), GFP_KERNEL);
2137                 if (!msg_ind)
2138                         goto nomem;
2139                 msg_ind->msg_len = len;
2140                 msg_ind->msg = kmemdup(buf, len, GFP_KERNEL);
2141                 if (!msg_ind->msg) {
2142                         kfree(msg_ind);
2143 nomem:
2144                         /*
2145                          * FIXME: Do something smarter then just
2146                          * printing an error.
2147                          */
2148                         wcn36xx_err("Run out of memory while handling SMD_EVENT (%d)\n",
2149                                     msg_header->msg_type);
2150                         break;
2151                 }
2152                 mutex_lock(&wcn->hal_ind_mutex);
2153                 list_add_tail(&msg_ind->list, &wcn->hal_ind_queue);
2154                 queue_work(wcn->hal_ind_wq, &wcn->hal_ind_work);
2155                 mutex_unlock(&wcn->hal_ind_mutex);
2156                 wcn36xx_dbg(WCN36XX_DBG_HAL, "indication arrived\n");
2157                 break;
2158         default:
2159                 wcn36xx_err("SMD_EVENT (%d) not supported\n",
2160                               msg_header->msg_type);
2161         }
2162 }
2163 static void wcn36xx_ind_smd_work(struct work_struct *work)
2164 {
2165         struct wcn36xx *wcn =
2166                 container_of(work, struct wcn36xx, hal_ind_work);
2167         struct wcn36xx_hal_msg_header *msg_header;
2168         struct wcn36xx_hal_ind_msg *hal_ind_msg;
2169
2170         mutex_lock(&wcn->hal_ind_mutex);
2171
2172         hal_ind_msg = list_first_entry(&wcn->hal_ind_queue,
2173                                        struct wcn36xx_hal_ind_msg,
2174                                        list);
2175
2176         msg_header = (struct wcn36xx_hal_msg_header *)hal_ind_msg->msg;
2177
2178         switch (msg_header->msg_type) {
2179         case WCN36XX_HAL_OTA_TX_COMPL_IND:
2180                 wcn36xx_smd_tx_compl_ind(wcn,
2181                                          hal_ind_msg->msg,
2182                                          hal_ind_msg->msg_len);
2183                 break;
2184         case WCN36XX_HAL_MISSED_BEACON_IND:
2185                 wcn36xx_smd_missed_beacon_ind(wcn,
2186                                               hal_ind_msg->msg,
2187                                               hal_ind_msg->msg_len);
2188                 break;
2189         case WCN36XX_HAL_DELETE_STA_CONTEXT_IND:
2190                 wcn36xx_smd_delete_sta_context_ind(wcn,
2191                                                    hal_ind_msg->msg,
2192                                                    hal_ind_msg->msg_len);
2193                 break;
2194         default:
2195                 wcn36xx_err("SMD_EVENT (%d) not supported\n",
2196                               msg_header->msg_type);
2197         }
2198         list_del(wcn->hal_ind_queue.next);
2199         kfree(hal_ind_msg->msg);
2200         kfree(hal_ind_msg);
2201         mutex_unlock(&wcn->hal_ind_mutex);
2202 }
2203 int wcn36xx_smd_open(struct wcn36xx *wcn)
2204 {
2205         int ret = 0;
2206         wcn->hal_ind_wq = create_freezable_workqueue("wcn36xx_smd_ind");
2207         if (!wcn->hal_ind_wq) {
2208                 wcn36xx_err("failed to allocate wq\n");
2209                 ret = -ENOMEM;
2210                 goto out;
2211         }
2212         INIT_WORK(&wcn->hal_ind_work, wcn36xx_ind_smd_work);
2213         INIT_LIST_HEAD(&wcn->hal_ind_queue);
2214         mutex_init(&wcn->hal_ind_mutex);
2215
2216         ret = wcn->ctrl_ops->open(wcn, wcn36xx_smd_rsp_process);
2217         if (ret) {
2218                 wcn36xx_err("failed to open control channel\n");
2219                 goto free_wq;
2220         }
2221
2222         return ret;
2223
2224 free_wq:
2225         destroy_workqueue(wcn->hal_ind_wq);
2226 out:
2227         return ret;
2228 }
2229
2230 void wcn36xx_smd_close(struct wcn36xx *wcn)
2231 {
2232         wcn->ctrl_ops->close();
2233         destroy_workqueue(wcn->hal_ind_wq);
2234         mutex_destroy(&wcn->hal_ind_mutex);
2235 }