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