1 /* 2 * Copyright (c) 2013 Eugene Krasnikov <k.eugene.e@gmail.com> 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 18 19 #include <linux/etherdevice.h> 20 #include <linux/firmware.h> 21 #include <linux/bitops.h> 22 #include "smd.h" 23 24 struct wcn36xx_cfg_val { 25 u32 cfg_id; 26 u32 value; 27 }; 28 29 #define WCN36XX_CFG_VAL(id, val) \ 30 { \ 31 .cfg_id = WCN36XX_HAL_CFG_ ## id, \ 32 .value = val \ 33 } 34 35 static struct wcn36xx_cfg_val wcn36xx_cfg_vals[] = { 36 WCN36XX_CFG_VAL(CURRENT_TX_ANTENNA, 1), 37 WCN36XX_CFG_VAL(CURRENT_RX_ANTENNA, 1), 38 WCN36XX_CFG_VAL(LOW_GAIN_OVERRIDE, 0), 39 WCN36XX_CFG_VAL(POWER_STATE_PER_CHAIN, 785), 40 WCN36XX_CFG_VAL(CAL_PERIOD, 5), 41 WCN36XX_CFG_VAL(CAL_CONTROL, 1), 42 WCN36XX_CFG_VAL(PROXIMITY, 0), 43 WCN36XX_CFG_VAL(NETWORK_DENSITY, 3), 44 WCN36XX_CFG_VAL(MAX_MEDIUM_TIME, 6000), 45 WCN36XX_CFG_VAL(MAX_MPDUS_IN_AMPDU, 64), 46 WCN36XX_CFG_VAL(RTS_THRESHOLD, 2347), 47 WCN36XX_CFG_VAL(SHORT_RETRY_LIMIT, 6), 48 WCN36XX_CFG_VAL(LONG_RETRY_LIMIT, 6), 49 WCN36XX_CFG_VAL(FRAGMENTATION_THRESHOLD, 8000), 50 WCN36XX_CFG_VAL(DYNAMIC_THRESHOLD_ZERO, 5), 51 WCN36XX_CFG_VAL(DYNAMIC_THRESHOLD_ONE, 10), 52 WCN36XX_CFG_VAL(DYNAMIC_THRESHOLD_TWO, 15), 53 WCN36XX_CFG_VAL(FIXED_RATE, 0), 54 WCN36XX_CFG_VAL(RETRYRATE_POLICY, 4), 55 WCN36XX_CFG_VAL(RETRYRATE_SECONDARY, 0), 56 WCN36XX_CFG_VAL(RETRYRATE_TERTIARY, 0), 57 WCN36XX_CFG_VAL(FORCE_POLICY_PROTECTION, 5), 58 WCN36XX_CFG_VAL(FIXED_RATE_MULTICAST_24GHZ, 1), 59 WCN36XX_CFG_VAL(FIXED_RATE_MULTICAST_5GHZ, 5), 60 WCN36XX_CFG_VAL(DEFAULT_RATE_INDEX_5GHZ, 5), 61 WCN36XX_CFG_VAL(MAX_BA_SESSIONS, 40), 62 WCN36XX_CFG_VAL(PS_DATA_INACTIVITY_TIMEOUT, 200), 63 WCN36XX_CFG_VAL(PS_ENABLE_BCN_FILTER, 1), 64 WCN36XX_CFG_VAL(PS_ENABLE_RSSI_MONITOR, 1), 65 WCN36XX_CFG_VAL(NUM_BEACON_PER_RSSI_AVERAGE, 20), 66 WCN36XX_CFG_VAL(STATS_PERIOD, 10), 67 WCN36XX_CFG_VAL(CFP_MAX_DURATION, 30000), 68 WCN36XX_CFG_VAL(FRAME_TRANS_ENABLED, 0), 69 WCN36XX_CFG_VAL(BA_THRESHOLD_HIGH, 128), 70 WCN36XX_CFG_VAL(MAX_BA_BUFFERS, 2560), 71 WCN36XX_CFG_VAL(DYNAMIC_PS_POLL_VALUE, 0), 72 WCN36XX_CFG_VAL(TX_PWR_CTRL_ENABLE, 1), 73 WCN36XX_CFG_VAL(ENABLE_CLOSE_LOOP, 1), 74 WCN36XX_CFG_VAL(ENABLE_LPWR_IMG_TRANSITION, 0), 75 WCN36XX_CFG_VAL(MAX_ASSOC_LIMIT, 10), 76 WCN36XX_CFG_VAL(ENABLE_MCC_ADAPTIVE_SCHEDULER, 0), 77 }; 78 79 static int put_cfg_tlv_u32(struct wcn36xx *wcn, size_t *len, u32 id, u32 value) 80 { 81 struct wcn36xx_hal_cfg *entry; 82 u32 *val; 83 84 if (*len + sizeof(*entry) + sizeof(u32) >= WCN36XX_HAL_BUF_SIZE) { 85 wcn36xx_err("Not enough room for TLV entry\n"); 86 return -ENOMEM; 87 } 88 89 entry = (struct wcn36xx_hal_cfg *) (wcn->hal_buf + *len); 90 entry->id = id; 91 entry->len = sizeof(u32); 92 entry->pad_bytes = 0; 93 entry->reserve = 0; 94 95 val = (u32 *) (entry + 1); 96 *val = value; 97 98 *len += sizeof(*entry) + sizeof(u32); 99 100 return 0; 101 } 102 103 static void wcn36xx_smd_set_bss_nw_type(struct wcn36xx *wcn, 104 struct ieee80211_sta *sta, 105 struct wcn36xx_hal_config_bss_params *bss_params) 106 { 107 if (NL80211_BAND_5GHZ == WCN36XX_BAND(wcn)) 108 bss_params->nw_type = WCN36XX_HAL_11A_NW_TYPE; 109 else if (sta && sta->ht_cap.ht_supported) 110 bss_params->nw_type = WCN36XX_HAL_11N_NW_TYPE; 111 else if (sta && (sta->supp_rates[NL80211_BAND_2GHZ] & 0x7f)) 112 bss_params->nw_type = WCN36XX_HAL_11G_NW_TYPE; 113 else 114 bss_params->nw_type = WCN36XX_HAL_11B_NW_TYPE; 115 } 116 117 static inline u8 is_cap_supported(unsigned long caps, unsigned long flag) 118 { 119 return caps & flag ? 1 : 0; 120 } 121 static void wcn36xx_smd_set_bss_ht_params(struct ieee80211_vif *vif, 122 struct ieee80211_sta *sta, 123 struct wcn36xx_hal_config_bss_params *bss_params) 124 { 125 if (sta && sta->ht_cap.ht_supported) { 126 unsigned long caps = sta->ht_cap.cap; 127 bss_params->ht = sta->ht_cap.ht_supported; 128 bss_params->tx_channel_width_set = is_cap_supported(caps, 129 IEEE80211_HT_CAP_SUP_WIDTH_20_40); 130 bss_params->lsig_tx_op_protection_full_support = 131 is_cap_supported(caps, 132 IEEE80211_HT_CAP_LSIG_TXOP_PROT); 133 134 bss_params->ht_oper_mode = vif->bss_conf.ht_operation_mode; 135 bss_params->lln_non_gf_coexist = 136 !!(vif->bss_conf.ht_operation_mode & 137 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT); 138 /* IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT */ 139 bss_params->dual_cts_protection = 0; 140 /* IEEE80211_HT_OP_MODE_PROTECTION_20MHZ */ 141 bss_params->ht20_coexist = 0; 142 } 143 } 144 145 static void wcn36xx_smd_set_sta_ht_params(struct ieee80211_sta *sta, 146 struct wcn36xx_hal_config_sta_params *sta_params) 147 { 148 if (sta->ht_cap.ht_supported) { 149 unsigned long caps = sta->ht_cap.cap; 150 sta_params->ht_capable = sta->ht_cap.ht_supported; 151 sta_params->tx_channel_width_set = is_cap_supported(caps, 152 IEEE80211_HT_CAP_SUP_WIDTH_20_40); 153 sta_params->lsig_txop_protection = is_cap_supported(caps, 154 IEEE80211_HT_CAP_LSIG_TXOP_PROT); 155 156 sta_params->max_ampdu_size = sta->ht_cap.ampdu_factor; 157 sta_params->max_ampdu_density = sta->ht_cap.ampdu_density; 158 sta_params->max_amsdu_size = is_cap_supported(caps, 159 IEEE80211_HT_CAP_MAX_AMSDU); 160 sta_params->sgi_20Mhz = is_cap_supported(caps, 161 IEEE80211_HT_CAP_SGI_20); 162 sta_params->sgi_40mhz = is_cap_supported(caps, 163 IEEE80211_HT_CAP_SGI_40); 164 sta_params->green_field_capable = is_cap_supported(caps, 165 IEEE80211_HT_CAP_GRN_FLD); 166 sta_params->delayed_ba_support = is_cap_supported(caps, 167 IEEE80211_HT_CAP_DELAY_BA); 168 sta_params->dsss_cck_mode_40mhz = is_cap_supported(caps, 169 IEEE80211_HT_CAP_DSSSCCK40); 170 } 171 } 172 173 static void wcn36xx_smd_set_sta_default_ht_params( 174 struct wcn36xx_hal_config_sta_params *sta_params) 175 { 176 sta_params->ht_capable = 1; 177 sta_params->tx_channel_width_set = 1; 178 sta_params->lsig_txop_protection = 1; 179 sta_params->max_ampdu_size = 3; 180 sta_params->max_ampdu_density = 5; 181 sta_params->max_amsdu_size = 0; 182 sta_params->sgi_20Mhz = 1; 183 sta_params->sgi_40mhz = 1; 184 sta_params->green_field_capable = 1; 185 sta_params->delayed_ba_support = 0; 186 sta_params->dsss_cck_mode_40mhz = 1; 187 } 188 189 static void wcn36xx_smd_set_sta_params(struct wcn36xx *wcn, 190 struct ieee80211_vif *vif, 191 struct ieee80211_sta *sta, 192 struct wcn36xx_hal_config_sta_params *sta_params) 193 { 194 struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 195 struct wcn36xx_sta *sta_priv = 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 = WCN36XX_HAL_STA_INVALID_IDX; 201 } else { 202 sta_params->type = 0; 203 sta_params->sta_index = vif_priv->self_sta_index; 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 = vif_priv->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 = vif_priv->bss_index; 228 sta_params->p2p = 0; 229 230 if (sta) { 231 sta_priv = wcn36xx_sta_to_priv(sta); 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 = sta_priv->aid; 239 wcn36xx_smd_set_sta_ht_params(sta, sta_params); 240 memcpy(&sta_params->supported_rates, &sta_priv->supported_rates, 241 sizeof(sta_priv->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 static void init_hal_msg(struct wcn36xx_hal_msg_header *hdr, 275 enum wcn36xx_hal_host_msg_type msg_type, 276 size_t msg_size) 277 { 278 memset(hdr, 0, msg_size + sizeof(*hdr)); 279 hdr->msg_type = msg_type; 280 hdr->msg_version = WCN36XX_HAL_MSG_VERSION0; 281 hdr->len = msg_size + sizeof(*hdr); 282 } 283 284 #define INIT_HAL_MSG(msg_body, type) \ 285 do { \ 286 memset(&msg_body, 0, sizeof(msg_body)); \ 287 msg_body.header.msg_type = type; \ 288 msg_body.header.msg_version = WCN36XX_HAL_MSG_VERSION0; \ 289 msg_body.header.len = sizeof(msg_body); \ 290 } while (0) \ 291 292 #define PREPARE_HAL_BUF(send_buf, msg_body) \ 293 do { \ 294 memset(send_buf, 0, msg_body.header.len); \ 295 memcpy(send_buf, &msg_body, sizeof(msg_body)); \ 296 } while (0) \ 297 298 static int wcn36xx_smd_rsp_status_check(void *buf, size_t len) 299 { 300 struct wcn36xx_fw_msg_status_rsp *rsp; 301 302 if (len < sizeof(struct wcn36xx_hal_msg_header) + 303 sizeof(struct wcn36xx_fw_msg_status_rsp)) 304 return -EIO; 305 306 rsp = (struct wcn36xx_fw_msg_status_rsp *) 307 (buf + sizeof(struct wcn36xx_hal_msg_header)); 308 309 if (WCN36XX_FW_MSG_RESULT_SUCCESS != rsp->status) 310 return rsp->status; 311 312 return 0; 313 } 314 315 int wcn36xx_smd_load_nv(struct wcn36xx *wcn) 316 { 317 struct nv_data *nv_d; 318 struct wcn36xx_hal_nv_img_download_req_msg msg_body; 319 int fw_bytes_left; 320 int ret; 321 u16 fm_offset = 0; 322 323 if (!wcn->nv) { 324 ret = request_firmware(&wcn->nv, WLAN_NV_FILE, wcn->dev); 325 if (ret) { 326 wcn36xx_err("Failed to load nv file %s: %d\n", 327 WLAN_NV_FILE, ret); 328 goto out; 329 } 330 } 331 332 nv_d = (struct nv_data *)wcn->nv->data; 333 INIT_HAL_MSG(msg_body, WCN36XX_HAL_DOWNLOAD_NV_REQ); 334 335 msg_body.header.len += WCN36XX_NV_FRAGMENT_SIZE; 336 337 msg_body.frag_number = 0; 338 /* hal_buf must be protected with mutex */ 339 mutex_lock(&wcn->hal_mutex); 340 341 do { 342 fw_bytes_left = wcn->nv->size - fm_offset - 4; 343 if (fw_bytes_left > WCN36XX_NV_FRAGMENT_SIZE) { 344 msg_body.last_fragment = 0; 345 msg_body.nv_img_buffer_size = WCN36XX_NV_FRAGMENT_SIZE; 346 } else { 347 msg_body.last_fragment = 1; 348 msg_body.nv_img_buffer_size = fw_bytes_left; 349 350 /* Do not forget update general message len */ 351 msg_body.header.len = sizeof(msg_body) + fw_bytes_left; 352 353 } 354 355 /* Add load NV request message header */ 356 memcpy(wcn->hal_buf, &msg_body, sizeof(msg_body)); 357 358 /* Add NV body itself */ 359 memcpy(wcn->hal_buf + sizeof(msg_body), 360 &nv_d->table + fm_offset, 361 msg_body.nv_img_buffer_size); 362 363 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 364 if (ret) 365 goto out_unlock; 366 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, 367 wcn->hal_rsp_len); 368 if (ret) { 369 wcn36xx_err("hal_load_nv response failed err=%d\n", 370 ret); 371 goto out_unlock; 372 } 373 msg_body.frag_number++; 374 fm_offset += WCN36XX_NV_FRAGMENT_SIZE; 375 376 } while (msg_body.last_fragment != 1); 377 378 out_unlock: 379 mutex_unlock(&wcn->hal_mutex); 380 out: return ret; 381 } 382 383 static int wcn36xx_smd_start_rsp(struct wcn36xx *wcn, void *buf, size_t len) 384 { 385 struct wcn36xx_hal_mac_start_rsp_msg *rsp; 386 387 if (len < sizeof(*rsp)) 388 return -EIO; 389 390 rsp = (struct wcn36xx_hal_mac_start_rsp_msg *)buf; 391 392 if (WCN36XX_FW_MSG_RESULT_SUCCESS != rsp->start_rsp_params.status) 393 return -EIO; 394 395 memcpy(wcn->crm_version, rsp->start_rsp_params.crm_version, 396 WCN36XX_HAL_VERSION_LENGTH); 397 memcpy(wcn->wlan_version, rsp->start_rsp_params.wlan_version, 398 WCN36XX_HAL_VERSION_LENGTH); 399 400 /* null terminate the strings, just in case */ 401 wcn->crm_version[WCN36XX_HAL_VERSION_LENGTH] = '\0'; 402 wcn->wlan_version[WCN36XX_HAL_VERSION_LENGTH] = '\0'; 403 404 wcn->fw_revision = rsp->start_rsp_params.version.revision; 405 wcn->fw_version = rsp->start_rsp_params.version.version; 406 wcn->fw_minor = rsp->start_rsp_params.version.minor; 407 wcn->fw_major = rsp->start_rsp_params.version.major; 408 409 wcn36xx_info("firmware WLAN version '%s' and CRM version '%s'\n", 410 wcn->wlan_version, wcn->crm_version); 411 412 wcn36xx_info("firmware API %u.%u.%u.%u, %u stations, %u bssids\n", 413 wcn->fw_major, wcn->fw_minor, 414 wcn->fw_version, wcn->fw_revision, 415 rsp->start_rsp_params.stations, 416 rsp->start_rsp_params.bssids); 417 418 return 0; 419 } 420 421 int wcn36xx_smd_start(struct wcn36xx *wcn) 422 { 423 struct wcn36xx_hal_mac_start_req_msg msg_body, *body; 424 int ret = 0; 425 int i; 426 size_t len; 427 428 mutex_lock(&wcn->hal_mutex); 429 INIT_HAL_MSG(msg_body, WCN36XX_HAL_START_REQ); 430 431 msg_body.params.type = DRIVER_TYPE_PRODUCTION; 432 msg_body.params.len = 0; 433 434 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 435 436 body = (struct wcn36xx_hal_mac_start_req_msg *)wcn->hal_buf; 437 len = body->header.len; 438 439 for (i = 0; i < ARRAY_SIZE(wcn36xx_cfg_vals); i++) { 440 ret = put_cfg_tlv_u32(wcn, &len, wcn36xx_cfg_vals[i].cfg_id, 441 wcn36xx_cfg_vals[i].value); 442 if (ret) 443 goto out; 444 } 445 body->header.len = len; 446 body->params.len = len - sizeof(*body); 447 448 wcn36xx_dbg(WCN36XX_DBG_HAL, "hal start type %d\n", 449 msg_body.params.type); 450 451 ret = wcn36xx_smd_send_and_wait(wcn, body->header.len); 452 if (ret) { 453 wcn36xx_err("Sending hal_start failed\n"); 454 goto out; 455 } 456 457 ret = wcn36xx_smd_start_rsp(wcn, wcn->hal_buf, wcn->hal_rsp_len); 458 if (ret) { 459 wcn36xx_err("hal_start response failed err=%d\n", ret); 460 goto out; 461 } 462 463 out: 464 mutex_unlock(&wcn->hal_mutex); 465 return ret; 466 } 467 468 int wcn36xx_smd_stop(struct wcn36xx *wcn) 469 { 470 struct wcn36xx_hal_mac_stop_req_msg msg_body; 471 int ret = 0; 472 473 mutex_lock(&wcn->hal_mutex); 474 INIT_HAL_MSG(msg_body, WCN36XX_HAL_STOP_REQ); 475 476 msg_body.stop_req_params.reason = HAL_STOP_TYPE_RF_KILL; 477 478 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 479 480 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 481 if (ret) { 482 wcn36xx_err("Sending hal_stop failed\n"); 483 goto out; 484 } 485 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len); 486 if (ret) { 487 wcn36xx_err("hal_stop response failed err=%d\n", ret); 488 goto out; 489 } 490 out: 491 mutex_unlock(&wcn->hal_mutex); 492 return ret; 493 } 494 495 int wcn36xx_smd_init_scan(struct wcn36xx *wcn, enum wcn36xx_hal_sys_mode mode) 496 { 497 struct wcn36xx_hal_init_scan_req_msg msg_body; 498 int ret = 0; 499 500 mutex_lock(&wcn->hal_mutex); 501 INIT_HAL_MSG(msg_body, WCN36XX_HAL_INIT_SCAN_REQ); 502 503 msg_body.mode = mode; 504 505 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 506 507 wcn36xx_dbg(WCN36XX_DBG_HAL, "hal init scan mode %d\n", msg_body.mode); 508 509 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 510 if (ret) { 511 wcn36xx_err("Sending hal_init_scan failed\n"); 512 goto out; 513 } 514 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len); 515 if (ret) { 516 wcn36xx_err("hal_init_scan response failed err=%d\n", ret); 517 goto out; 518 } 519 out: 520 mutex_unlock(&wcn->hal_mutex); 521 return ret; 522 } 523 524 int wcn36xx_smd_start_scan(struct wcn36xx *wcn) 525 { 526 struct wcn36xx_hal_start_scan_req_msg msg_body; 527 int ret = 0; 528 529 mutex_lock(&wcn->hal_mutex); 530 INIT_HAL_MSG(msg_body, WCN36XX_HAL_START_SCAN_REQ); 531 532 msg_body.scan_channel = WCN36XX_HW_CHANNEL(wcn); 533 534 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 535 536 wcn36xx_dbg(WCN36XX_DBG_HAL, "hal start scan channel %d\n", 537 msg_body.scan_channel); 538 539 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 540 if (ret) { 541 wcn36xx_err("Sending hal_start_scan failed\n"); 542 goto out; 543 } 544 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len); 545 if (ret) { 546 wcn36xx_err("hal_start_scan response failed err=%d\n", ret); 547 goto out; 548 } 549 out: 550 mutex_unlock(&wcn->hal_mutex); 551 return ret; 552 } 553 554 int wcn36xx_smd_end_scan(struct wcn36xx *wcn) 555 { 556 struct wcn36xx_hal_end_scan_req_msg msg_body; 557 int ret = 0; 558 559 mutex_lock(&wcn->hal_mutex); 560 INIT_HAL_MSG(msg_body, WCN36XX_HAL_END_SCAN_REQ); 561 562 msg_body.scan_channel = WCN36XX_HW_CHANNEL(wcn); 563 564 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 565 566 wcn36xx_dbg(WCN36XX_DBG_HAL, "hal end scan channel %d\n", 567 msg_body.scan_channel); 568 569 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 570 if (ret) { 571 wcn36xx_err("Sending hal_end_scan failed\n"); 572 goto out; 573 } 574 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len); 575 if (ret) { 576 wcn36xx_err("hal_end_scan response failed err=%d\n", ret); 577 goto out; 578 } 579 out: 580 mutex_unlock(&wcn->hal_mutex); 581 return ret; 582 } 583 584 int wcn36xx_smd_finish_scan(struct wcn36xx *wcn, 585 enum wcn36xx_hal_sys_mode mode) 586 { 587 struct wcn36xx_hal_finish_scan_req_msg msg_body; 588 int ret = 0; 589 590 mutex_lock(&wcn->hal_mutex); 591 INIT_HAL_MSG(msg_body, WCN36XX_HAL_FINISH_SCAN_REQ); 592 593 msg_body.mode = mode; 594 595 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 596 597 wcn36xx_dbg(WCN36XX_DBG_HAL, "hal finish scan mode %d\n", 598 msg_body.mode); 599 600 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 601 if (ret) { 602 wcn36xx_err("Sending hal_finish_scan failed\n"); 603 goto out; 604 } 605 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len); 606 if (ret) { 607 wcn36xx_err("hal_finish_scan response failed err=%d\n", ret); 608 goto out; 609 } 610 out: 611 mutex_unlock(&wcn->hal_mutex); 612 return ret; 613 } 614 615 static int wcn36xx_smd_switch_channel_rsp(void *buf, size_t len) 616 { 617 struct wcn36xx_hal_switch_channel_rsp_msg *rsp; 618 int ret = 0; 619 620 ret = wcn36xx_smd_rsp_status_check(buf, len); 621 if (ret) 622 return ret; 623 rsp = (struct wcn36xx_hal_switch_channel_rsp_msg *)buf; 624 wcn36xx_dbg(WCN36XX_DBG_HAL, "channel switched to: %d, status: %d\n", 625 rsp->channel_number, rsp->status); 626 return ret; 627 } 628 629 int wcn36xx_smd_switch_channel(struct wcn36xx *wcn, 630 struct ieee80211_vif *vif, int ch) 631 { 632 struct wcn36xx_hal_switch_channel_req_msg msg_body; 633 int ret = 0; 634 635 mutex_lock(&wcn->hal_mutex); 636 INIT_HAL_MSG(msg_body, WCN36XX_HAL_CH_SWITCH_REQ); 637 638 msg_body.channel_number = (u8)ch; 639 msg_body.tx_mgmt_power = 0xbf; 640 msg_body.max_tx_power = 0xbf; 641 memcpy(msg_body.self_sta_mac_addr, vif->addr, ETH_ALEN); 642 643 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 644 645 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 646 if (ret) { 647 wcn36xx_err("Sending hal_switch_channel failed\n"); 648 goto out; 649 } 650 ret = wcn36xx_smd_switch_channel_rsp(wcn->hal_buf, wcn->hal_rsp_len); 651 if (ret) { 652 wcn36xx_err("hal_switch_channel response failed err=%d\n", ret); 653 goto out; 654 } 655 out: 656 mutex_unlock(&wcn->hal_mutex); 657 return ret; 658 } 659 660 static int wcn36xx_smd_update_scan_params_rsp(void *buf, size_t len) 661 { 662 struct wcn36xx_hal_update_scan_params_resp *rsp; 663 664 rsp = (struct wcn36xx_hal_update_scan_params_resp *)buf; 665 666 /* Remove the PNO version bit */ 667 rsp->status &= (~(WCN36XX_FW_MSG_PNO_VERSION_MASK)); 668 669 if (WCN36XX_FW_MSG_RESULT_SUCCESS != rsp->status) { 670 wcn36xx_warn("error response from update scan\n"); 671 return rsp->status; 672 } 673 674 return 0; 675 } 676 677 int wcn36xx_smd_update_scan_params(struct wcn36xx *wcn) 678 { 679 struct wcn36xx_hal_update_scan_params_req msg_body; 680 int ret = 0; 681 682 mutex_lock(&wcn->hal_mutex); 683 INIT_HAL_MSG(msg_body, WCN36XX_HAL_UPDATE_SCAN_PARAM_REQ); 684 685 msg_body.dot11d_enabled = 0; 686 msg_body.dot11d_resolved = 0; 687 msg_body.channel_count = 26; 688 msg_body.active_min_ch_time = 60; 689 msg_body.active_max_ch_time = 120; 690 msg_body.passive_min_ch_time = 60; 691 msg_body.passive_max_ch_time = 110; 692 msg_body.state = 0; 693 694 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 695 696 wcn36xx_dbg(WCN36XX_DBG_HAL, 697 "hal update scan params channel_count %d\n", 698 msg_body.channel_count); 699 700 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 701 if (ret) { 702 wcn36xx_err("Sending hal_update_scan_params failed\n"); 703 goto out; 704 } 705 ret = wcn36xx_smd_update_scan_params_rsp(wcn->hal_buf, 706 wcn->hal_rsp_len); 707 if (ret) { 708 wcn36xx_err("hal_update_scan_params response failed err=%d\n", 709 ret); 710 goto out; 711 } 712 out: 713 mutex_unlock(&wcn->hal_mutex); 714 return ret; 715 } 716 717 static int wcn36xx_smd_add_sta_self_rsp(struct wcn36xx *wcn, 718 struct ieee80211_vif *vif, 719 void *buf, 720 size_t len) 721 { 722 struct wcn36xx_hal_add_sta_self_rsp_msg *rsp; 723 struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 724 725 if (len < sizeof(*rsp)) 726 return -EINVAL; 727 728 rsp = (struct wcn36xx_hal_add_sta_self_rsp_msg *)buf; 729 730 if (rsp->status != WCN36XX_FW_MSG_RESULT_SUCCESS) { 731 wcn36xx_warn("hal add sta self failure: %d\n", 732 rsp->status); 733 return rsp->status; 734 } 735 736 wcn36xx_dbg(WCN36XX_DBG_HAL, 737 "hal add sta self status %d self_sta_index %d dpu_index %d\n", 738 rsp->status, rsp->self_sta_index, rsp->dpu_index); 739 740 vif_priv->self_sta_index = rsp->self_sta_index; 741 vif_priv->self_dpu_desc_index = rsp->dpu_index; 742 743 return 0; 744 } 745 746 int wcn36xx_smd_add_sta_self(struct wcn36xx *wcn, struct ieee80211_vif *vif) 747 { 748 struct wcn36xx_hal_add_sta_self_req msg_body; 749 int ret = 0; 750 751 mutex_lock(&wcn->hal_mutex); 752 INIT_HAL_MSG(msg_body, WCN36XX_HAL_ADD_STA_SELF_REQ); 753 754 memcpy(&msg_body.self_addr, vif->addr, ETH_ALEN); 755 756 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 757 758 wcn36xx_dbg(WCN36XX_DBG_HAL, 759 "hal add sta self self_addr %pM status %d\n", 760 msg_body.self_addr, msg_body.status); 761 762 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 763 if (ret) { 764 wcn36xx_err("Sending hal_add_sta_self failed\n"); 765 goto out; 766 } 767 ret = wcn36xx_smd_add_sta_self_rsp(wcn, 768 vif, 769 wcn->hal_buf, 770 wcn->hal_rsp_len); 771 if (ret) { 772 wcn36xx_err("hal_add_sta_self response failed err=%d\n", ret); 773 goto out; 774 } 775 out: 776 mutex_unlock(&wcn->hal_mutex); 777 return ret; 778 } 779 780 int wcn36xx_smd_delete_sta_self(struct wcn36xx *wcn, u8 *addr) 781 { 782 struct wcn36xx_hal_del_sta_self_req_msg msg_body; 783 int ret = 0; 784 785 mutex_lock(&wcn->hal_mutex); 786 INIT_HAL_MSG(msg_body, WCN36XX_HAL_DEL_STA_SELF_REQ); 787 788 memcpy(&msg_body.self_addr, addr, ETH_ALEN); 789 790 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 791 792 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 793 if (ret) { 794 wcn36xx_err("Sending hal_delete_sta_self failed\n"); 795 goto out; 796 } 797 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len); 798 if (ret) { 799 wcn36xx_err("hal_delete_sta_self response failed err=%d\n", 800 ret); 801 goto out; 802 } 803 out: 804 mutex_unlock(&wcn->hal_mutex); 805 return ret; 806 } 807 808 int wcn36xx_smd_delete_sta(struct wcn36xx *wcn, u8 sta_index) 809 { 810 struct wcn36xx_hal_delete_sta_req_msg msg_body; 811 int ret = 0; 812 813 mutex_lock(&wcn->hal_mutex); 814 INIT_HAL_MSG(msg_body, WCN36XX_HAL_DELETE_STA_REQ); 815 816 msg_body.sta_index = sta_index; 817 818 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 819 820 wcn36xx_dbg(WCN36XX_DBG_HAL, 821 "hal delete sta sta_index %d\n", 822 msg_body.sta_index); 823 824 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 825 if (ret) { 826 wcn36xx_err("Sending hal_delete_sta failed\n"); 827 goto out; 828 } 829 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len); 830 if (ret) { 831 wcn36xx_err("hal_delete_sta response failed err=%d\n", ret); 832 goto out; 833 } 834 out: 835 mutex_unlock(&wcn->hal_mutex); 836 return ret; 837 } 838 839 static int wcn36xx_smd_join_rsp(void *buf, size_t len) 840 { 841 struct wcn36xx_hal_join_rsp_msg *rsp; 842 843 if (wcn36xx_smd_rsp_status_check(buf, len)) 844 return -EIO; 845 846 rsp = (struct wcn36xx_hal_join_rsp_msg *)buf; 847 848 wcn36xx_dbg(WCN36XX_DBG_HAL, 849 "hal rsp join status %d tx_mgmt_power %d\n", 850 rsp->status, rsp->tx_mgmt_power); 851 852 return 0; 853 } 854 855 int wcn36xx_smd_join(struct wcn36xx *wcn, const u8 *bssid, u8 *vif, u8 ch) 856 { 857 struct wcn36xx_hal_join_req_msg msg_body; 858 int ret = 0; 859 860 mutex_lock(&wcn->hal_mutex); 861 INIT_HAL_MSG(msg_body, WCN36XX_HAL_JOIN_REQ); 862 863 memcpy(&msg_body.bssid, bssid, ETH_ALEN); 864 memcpy(&msg_body.self_sta_mac_addr, vif, ETH_ALEN); 865 msg_body.channel = ch; 866 867 if (conf_is_ht40_minus(&wcn->hw->conf)) 868 msg_body.secondary_channel_offset = 869 PHY_DOUBLE_CHANNEL_HIGH_PRIMARY; 870 else if (conf_is_ht40_plus(&wcn->hw->conf)) 871 msg_body.secondary_channel_offset = 872 PHY_DOUBLE_CHANNEL_LOW_PRIMARY; 873 else 874 msg_body.secondary_channel_offset = 875 PHY_SINGLE_CHANNEL_CENTERED; 876 877 msg_body.link_state = WCN36XX_HAL_LINK_PREASSOC_STATE; 878 879 msg_body.max_tx_power = 0xbf; 880 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 881 882 wcn36xx_dbg(WCN36XX_DBG_HAL, 883 "hal join req bssid %pM self_sta_mac_addr %pM channel %d link_state %d\n", 884 msg_body.bssid, msg_body.self_sta_mac_addr, 885 msg_body.channel, msg_body.link_state); 886 887 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 888 if (ret) { 889 wcn36xx_err("Sending hal_join failed\n"); 890 goto out; 891 } 892 ret = wcn36xx_smd_join_rsp(wcn->hal_buf, wcn->hal_rsp_len); 893 if (ret) { 894 wcn36xx_err("hal_join response failed err=%d\n", ret); 895 goto out; 896 } 897 out: 898 mutex_unlock(&wcn->hal_mutex); 899 return ret; 900 } 901 902 int wcn36xx_smd_set_link_st(struct wcn36xx *wcn, const u8 *bssid, 903 const u8 *sta_mac, 904 enum wcn36xx_hal_link_state state) 905 { 906 struct wcn36xx_hal_set_link_state_req_msg msg_body; 907 int ret = 0; 908 909 mutex_lock(&wcn->hal_mutex); 910 INIT_HAL_MSG(msg_body, WCN36XX_HAL_SET_LINK_ST_REQ); 911 912 memcpy(&msg_body.bssid, bssid, ETH_ALEN); 913 memcpy(&msg_body.self_mac_addr, sta_mac, ETH_ALEN); 914 msg_body.state = state; 915 916 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 917 918 wcn36xx_dbg(WCN36XX_DBG_HAL, 919 "hal set link state bssid %pM self_mac_addr %pM state %d\n", 920 msg_body.bssid, msg_body.self_mac_addr, msg_body.state); 921 922 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 923 if (ret) { 924 wcn36xx_err("Sending hal_set_link_st failed\n"); 925 goto out; 926 } 927 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len); 928 if (ret) { 929 wcn36xx_err("hal_set_link_st response failed err=%d\n", ret); 930 goto out; 931 } 932 out: 933 mutex_unlock(&wcn->hal_mutex); 934 return ret; 935 } 936 937 static void wcn36xx_smd_convert_sta_to_v1(struct wcn36xx *wcn, 938 const struct wcn36xx_hal_config_sta_params *orig, 939 struct wcn36xx_hal_config_sta_params_v1 *v1) 940 { 941 /* convert orig to v1 format */ 942 memcpy(&v1->bssid, orig->bssid, ETH_ALEN); 943 memcpy(&v1->mac, orig->mac, ETH_ALEN); 944 v1->aid = orig->aid; 945 v1->type = orig->type; 946 v1->short_preamble_supported = orig->short_preamble_supported; 947 v1->listen_interval = orig->listen_interval; 948 v1->wmm_enabled = orig->wmm_enabled; 949 v1->ht_capable = orig->ht_capable; 950 v1->tx_channel_width_set = orig->tx_channel_width_set; 951 v1->rifs_mode = orig->rifs_mode; 952 v1->lsig_txop_protection = orig->lsig_txop_protection; 953 v1->max_ampdu_size = orig->max_ampdu_size; 954 v1->max_ampdu_density = orig->max_ampdu_density; 955 v1->sgi_40mhz = orig->sgi_40mhz; 956 v1->sgi_20Mhz = orig->sgi_20Mhz; 957 v1->rmf = orig->rmf; 958 v1->encrypt_type = orig->encrypt_type; 959 v1->action = orig->action; 960 v1->uapsd = orig->uapsd; 961 v1->max_sp_len = orig->max_sp_len; 962 v1->green_field_capable = orig->green_field_capable; 963 v1->mimo_ps = orig->mimo_ps; 964 v1->delayed_ba_support = orig->delayed_ba_support; 965 v1->max_ampdu_duration = orig->max_ampdu_duration; 966 v1->dsss_cck_mode_40mhz = orig->dsss_cck_mode_40mhz; 967 memcpy(&v1->supported_rates, &orig->supported_rates, 968 sizeof(orig->supported_rates)); 969 v1->sta_index = orig->sta_index; 970 v1->bssid_index = orig->bssid_index; 971 v1->p2p = orig->p2p; 972 } 973 974 static int wcn36xx_smd_config_sta_rsp(struct wcn36xx *wcn, 975 struct ieee80211_sta *sta, 976 void *buf, 977 size_t len) 978 { 979 struct wcn36xx_hal_config_sta_rsp_msg *rsp; 980 struct config_sta_rsp_params *params; 981 struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta); 982 983 if (len < sizeof(*rsp)) 984 return -EINVAL; 985 986 rsp = (struct wcn36xx_hal_config_sta_rsp_msg *)buf; 987 params = &rsp->params; 988 989 if (params->status != WCN36XX_FW_MSG_RESULT_SUCCESS) { 990 wcn36xx_warn("hal config sta response failure: %d\n", 991 params->status); 992 return -EIO; 993 } 994 995 sta_priv->sta_index = params->sta_index; 996 sta_priv->dpu_desc_index = params->dpu_index; 997 sta_priv->ucast_dpu_sign = params->uc_ucast_sig; 998 999 wcn36xx_dbg(WCN36XX_DBG_HAL, 1000 "hal config sta rsp status %d sta_index %d bssid_index %d uc_ucast_sig %d p2p %d\n", 1001 params->status, params->sta_index, params->bssid_index, 1002 params->uc_ucast_sig, params->p2p); 1003 1004 return 0; 1005 } 1006 1007 static int wcn36xx_smd_config_sta_v1(struct wcn36xx *wcn, 1008 const struct wcn36xx_hal_config_sta_req_msg *orig) 1009 { 1010 struct wcn36xx_hal_config_sta_req_msg_v1 msg_body; 1011 struct wcn36xx_hal_config_sta_params_v1 *sta = &msg_body.sta_params; 1012 1013 INIT_HAL_MSG(msg_body, WCN36XX_HAL_CONFIG_STA_REQ); 1014 1015 wcn36xx_smd_convert_sta_to_v1(wcn, &orig->sta_params, 1016 &msg_body.sta_params); 1017 1018 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 1019 1020 wcn36xx_dbg(WCN36XX_DBG_HAL, 1021 "hal config sta v1 action %d sta_index %d bssid_index %d bssid %pM type %d mac %pM aid %d\n", 1022 sta->action, sta->sta_index, sta->bssid_index, 1023 sta->bssid, sta->type, sta->mac, sta->aid); 1024 1025 return wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 1026 } 1027 1028 int wcn36xx_smd_config_sta(struct wcn36xx *wcn, struct ieee80211_vif *vif, 1029 struct ieee80211_sta *sta) 1030 { 1031 struct wcn36xx_hal_config_sta_req_msg msg; 1032 struct wcn36xx_hal_config_sta_params *sta_params; 1033 int ret = 0; 1034 1035 mutex_lock(&wcn->hal_mutex); 1036 INIT_HAL_MSG(msg, WCN36XX_HAL_CONFIG_STA_REQ); 1037 1038 sta_params = &msg.sta_params; 1039 1040 wcn36xx_smd_set_sta_params(wcn, vif, sta, sta_params); 1041 1042 if (!wcn36xx_is_fw_version(wcn, 1, 2, 2, 24)) { 1043 ret = wcn36xx_smd_config_sta_v1(wcn, &msg); 1044 } else { 1045 PREPARE_HAL_BUF(wcn->hal_buf, msg); 1046 1047 wcn36xx_dbg(WCN36XX_DBG_HAL, 1048 "hal config sta action %d sta_index %d bssid_index %d bssid %pM type %d mac %pM aid %d\n", 1049 sta_params->action, sta_params->sta_index, 1050 sta_params->bssid_index, sta_params->bssid, 1051 sta_params->type, sta_params->mac, sta_params->aid); 1052 1053 ret = wcn36xx_smd_send_and_wait(wcn, msg.header.len); 1054 } 1055 if (ret) { 1056 wcn36xx_err("Sending hal_config_sta failed\n"); 1057 goto out; 1058 } 1059 ret = wcn36xx_smd_config_sta_rsp(wcn, 1060 sta, 1061 wcn->hal_buf, 1062 wcn->hal_rsp_len); 1063 if (ret) { 1064 wcn36xx_err("hal_config_sta response failed err=%d\n", ret); 1065 goto out; 1066 } 1067 out: 1068 mutex_unlock(&wcn->hal_mutex); 1069 return ret; 1070 } 1071 1072 static int wcn36xx_smd_config_bss_v1(struct wcn36xx *wcn, 1073 const struct wcn36xx_hal_config_bss_req_msg *orig) 1074 { 1075 struct wcn36xx_hal_config_bss_req_msg_v1 msg_body; 1076 struct wcn36xx_hal_config_bss_params_v1 *bss = &msg_body.bss_params; 1077 struct wcn36xx_hal_config_sta_params_v1 *sta = &bss->sta; 1078 1079 INIT_HAL_MSG(msg_body, WCN36XX_HAL_CONFIG_BSS_REQ); 1080 1081 /* convert orig to v1 */ 1082 memcpy(&msg_body.bss_params.bssid, 1083 &orig->bss_params.bssid, ETH_ALEN); 1084 memcpy(&msg_body.bss_params.self_mac_addr, 1085 &orig->bss_params.self_mac_addr, ETH_ALEN); 1086 1087 msg_body.bss_params.bss_type = orig->bss_params.bss_type; 1088 msg_body.bss_params.oper_mode = orig->bss_params.oper_mode; 1089 msg_body.bss_params.nw_type = orig->bss_params.nw_type; 1090 1091 msg_body.bss_params.short_slot_time_supported = 1092 orig->bss_params.short_slot_time_supported; 1093 msg_body.bss_params.lla_coexist = orig->bss_params.lla_coexist; 1094 msg_body.bss_params.llb_coexist = orig->bss_params.llb_coexist; 1095 msg_body.bss_params.llg_coexist = orig->bss_params.llg_coexist; 1096 msg_body.bss_params.ht20_coexist = orig->bss_params.ht20_coexist; 1097 msg_body.bss_params.lln_non_gf_coexist = 1098 orig->bss_params.lln_non_gf_coexist; 1099 1100 msg_body.bss_params.lsig_tx_op_protection_full_support = 1101 orig->bss_params.lsig_tx_op_protection_full_support; 1102 msg_body.bss_params.rifs_mode = orig->bss_params.rifs_mode; 1103 msg_body.bss_params.beacon_interval = orig->bss_params.beacon_interval; 1104 msg_body.bss_params.dtim_period = orig->bss_params.dtim_period; 1105 msg_body.bss_params.tx_channel_width_set = 1106 orig->bss_params.tx_channel_width_set; 1107 msg_body.bss_params.oper_channel = orig->bss_params.oper_channel; 1108 msg_body.bss_params.ext_channel = orig->bss_params.ext_channel; 1109 1110 msg_body.bss_params.reserved = orig->bss_params.reserved; 1111 1112 memcpy(&msg_body.bss_params.ssid, 1113 &orig->bss_params.ssid, 1114 sizeof(orig->bss_params.ssid)); 1115 1116 msg_body.bss_params.action = orig->bss_params.action; 1117 msg_body.bss_params.rateset = orig->bss_params.rateset; 1118 msg_body.bss_params.ht = orig->bss_params.ht; 1119 msg_body.bss_params.obss_prot_enabled = 1120 orig->bss_params.obss_prot_enabled; 1121 msg_body.bss_params.rmf = orig->bss_params.rmf; 1122 msg_body.bss_params.ht_oper_mode = orig->bss_params.ht_oper_mode; 1123 msg_body.bss_params.dual_cts_protection = 1124 orig->bss_params.dual_cts_protection; 1125 1126 msg_body.bss_params.max_probe_resp_retry_limit = 1127 orig->bss_params.max_probe_resp_retry_limit; 1128 msg_body.bss_params.hidden_ssid = orig->bss_params.hidden_ssid; 1129 msg_body.bss_params.proxy_probe_resp = 1130 orig->bss_params.proxy_probe_resp; 1131 msg_body.bss_params.edca_params_valid = 1132 orig->bss_params.edca_params_valid; 1133 1134 memcpy(&msg_body.bss_params.acbe, 1135 &orig->bss_params.acbe, 1136 sizeof(orig->bss_params.acbe)); 1137 memcpy(&msg_body.bss_params.acbk, 1138 &orig->bss_params.acbk, 1139 sizeof(orig->bss_params.acbk)); 1140 memcpy(&msg_body.bss_params.acvi, 1141 &orig->bss_params.acvi, 1142 sizeof(orig->bss_params.acvi)); 1143 memcpy(&msg_body.bss_params.acvo, 1144 &orig->bss_params.acvo, 1145 sizeof(orig->bss_params.acvo)); 1146 1147 msg_body.bss_params.ext_set_sta_key_param_valid = 1148 orig->bss_params.ext_set_sta_key_param_valid; 1149 1150 memcpy(&msg_body.bss_params.ext_set_sta_key_param, 1151 &orig->bss_params.ext_set_sta_key_param, 1152 sizeof(orig->bss_params.acvo)); 1153 1154 msg_body.bss_params.wcn36xx_hal_persona = 1155 orig->bss_params.wcn36xx_hal_persona; 1156 msg_body.bss_params.spectrum_mgt_enable = 1157 orig->bss_params.spectrum_mgt_enable; 1158 msg_body.bss_params.tx_mgmt_power = orig->bss_params.tx_mgmt_power; 1159 msg_body.bss_params.max_tx_power = orig->bss_params.max_tx_power; 1160 1161 wcn36xx_smd_convert_sta_to_v1(wcn, &orig->bss_params.sta, 1162 &msg_body.bss_params.sta); 1163 1164 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 1165 1166 wcn36xx_dbg(WCN36XX_DBG_HAL, 1167 "hal config bss v1 bssid %pM self_mac_addr %pM bss_type %d oper_mode %d nw_type %d\n", 1168 bss->bssid, bss->self_mac_addr, bss->bss_type, 1169 bss->oper_mode, bss->nw_type); 1170 1171 wcn36xx_dbg(WCN36XX_DBG_HAL, 1172 "- sta bssid %pM action %d sta_index %d bssid_index %d aid %d type %d mac %pM\n", 1173 sta->bssid, sta->action, sta->sta_index, 1174 sta->bssid_index, sta->aid, sta->type, sta->mac); 1175 1176 return wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 1177 } 1178 1179 1180 static int wcn36xx_smd_config_bss_rsp(struct wcn36xx *wcn, 1181 struct ieee80211_vif *vif, 1182 struct ieee80211_sta *sta, 1183 void *buf, 1184 size_t len) 1185 { 1186 struct wcn36xx_hal_config_bss_rsp_msg *rsp; 1187 struct wcn36xx_hal_config_bss_rsp_params *params; 1188 struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 1189 1190 if (len < sizeof(*rsp)) 1191 return -EINVAL; 1192 1193 rsp = (struct wcn36xx_hal_config_bss_rsp_msg *)buf; 1194 params = &rsp->bss_rsp_params; 1195 1196 if (params->status != WCN36XX_FW_MSG_RESULT_SUCCESS) { 1197 wcn36xx_warn("hal config bss response failure: %d\n", 1198 params->status); 1199 return -EIO; 1200 } 1201 1202 wcn36xx_dbg(WCN36XX_DBG_HAL, 1203 "hal config bss rsp status %d bss_idx %d dpu_desc_index %d" 1204 " sta_idx %d self_idx %d bcast_idx %d mac %pM" 1205 " power %d ucast_dpu_signature %d\n", 1206 params->status, params->bss_index, params->dpu_desc_index, 1207 params->bss_sta_index, params->bss_self_sta_index, 1208 params->bss_bcast_sta_idx, params->mac, 1209 params->tx_mgmt_power, params->ucast_dpu_signature); 1210 1211 vif_priv->bss_index = params->bss_index; 1212 1213 if (sta) { 1214 struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta); 1215 sta_priv->bss_sta_index = params->bss_sta_index; 1216 sta_priv->bss_dpu_desc_index = params->dpu_desc_index; 1217 } 1218 1219 vif_priv->self_ucast_dpu_sign = params->ucast_dpu_signature; 1220 1221 return 0; 1222 } 1223 1224 int wcn36xx_smd_config_bss(struct wcn36xx *wcn, struct ieee80211_vif *vif, 1225 struct ieee80211_sta *sta, const u8 *bssid, 1226 bool update) 1227 { 1228 struct wcn36xx_hal_config_bss_req_msg msg; 1229 struct wcn36xx_hal_config_bss_params *bss; 1230 struct wcn36xx_hal_config_sta_params *sta_params; 1231 struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 1232 int ret = 0; 1233 1234 mutex_lock(&wcn->hal_mutex); 1235 INIT_HAL_MSG(msg, WCN36XX_HAL_CONFIG_BSS_REQ); 1236 1237 bss = &msg.bss_params; 1238 sta_params = &bss->sta; 1239 1240 WARN_ON(is_zero_ether_addr(bssid)); 1241 1242 memcpy(&bss->bssid, bssid, ETH_ALEN); 1243 1244 memcpy(bss->self_mac_addr, vif->addr, ETH_ALEN); 1245 1246 if (vif->type == NL80211_IFTYPE_STATION) { 1247 bss->bss_type = WCN36XX_HAL_INFRASTRUCTURE_MODE; 1248 1249 /* STA */ 1250 bss->oper_mode = 1; 1251 bss->wcn36xx_hal_persona = WCN36XX_HAL_STA_MODE; 1252 } else if (vif->type == NL80211_IFTYPE_AP || 1253 vif->type == NL80211_IFTYPE_MESH_POINT) { 1254 bss->bss_type = WCN36XX_HAL_INFRA_AP_MODE; 1255 1256 /* AP */ 1257 bss->oper_mode = 0; 1258 bss->wcn36xx_hal_persona = WCN36XX_HAL_STA_SAP_MODE; 1259 } else if (vif->type == NL80211_IFTYPE_ADHOC) { 1260 bss->bss_type = WCN36XX_HAL_IBSS_MODE; 1261 1262 /* STA */ 1263 bss->oper_mode = 1; 1264 } else { 1265 wcn36xx_warn("Unknown type for bss config: %d\n", vif->type); 1266 } 1267 1268 if (vif->type == NL80211_IFTYPE_STATION) 1269 wcn36xx_smd_set_bss_nw_type(wcn, sta, bss); 1270 else 1271 bss->nw_type = WCN36XX_HAL_11N_NW_TYPE; 1272 1273 bss->short_slot_time_supported = vif->bss_conf.use_short_slot; 1274 bss->lla_coexist = 0; 1275 bss->llb_coexist = 0; 1276 bss->llg_coexist = 0; 1277 bss->rifs_mode = 0; 1278 bss->beacon_interval = vif->bss_conf.beacon_int; 1279 bss->dtim_period = vif_priv->dtim_period; 1280 1281 wcn36xx_smd_set_bss_ht_params(vif, sta, bss); 1282 1283 bss->oper_channel = WCN36XX_HW_CHANNEL(wcn); 1284 1285 if (conf_is_ht40_minus(&wcn->hw->conf)) 1286 bss->ext_channel = IEEE80211_HT_PARAM_CHA_SEC_BELOW; 1287 else if (conf_is_ht40_plus(&wcn->hw->conf)) 1288 bss->ext_channel = IEEE80211_HT_PARAM_CHA_SEC_ABOVE; 1289 else 1290 bss->ext_channel = IEEE80211_HT_PARAM_CHA_SEC_NONE; 1291 1292 bss->reserved = 0; 1293 wcn36xx_smd_set_sta_params(wcn, vif, sta, sta_params); 1294 1295 /* wcn->ssid is only valid in AP and IBSS mode */ 1296 bss->ssid.length = vif_priv->ssid.length; 1297 memcpy(bss->ssid.ssid, vif_priv->ssid.ssid, vif_priv->ssid.length); 1298 1299 bss->obss_prot_enabled = 0; 1300 bss->rmf = 0; 1301 bss->max_probe_resp_retry_limit = 0; 1302 bss->hidden_ssid = vif->bss_conf.hidden_ssid; 1303 bss->proxy_probe_resp = 0; 1304 bss->edca_params_valid = 0; 1305 1306 /* FIXME: set acbe, acbk, acvi and acvo */ 1307 1308 bss->ext_set_sta_key_param_valid = 0; 1309 1310 /* FIXME: set ext_set_sta_key_param */ 1311 1312 bss->spectrum_mgt_enable = 0; 1313 bss->tx_mgmt_power = 0; 1314 bss->max_tx_power = WCN36XX_MAX_POWER(wcn); 1315 1316 bss->action = update; 1317 1318 wcn36xx_dbg(WCN36XX_DBG_HAL, 1319 "hal config bss bssid %pM self_mac_addr %pM bss_type %d oper_mode %d nw_type %d\n", 1320 bss->bssid, bss->self_mac_addr, bss->bss_type, 1321 bss->oper_mode, bss->nw_type); 1322 1323 wcn36xx_dbg(WCN36XX_DBG_HAL, 1324 "- sta bssid %pM action %d sta_index %d bssid_index %d aid %d type %d mac %pM\n", 1325 sta_params->bssid, sta_params->action, 1326 sta_params->sta_index, sta_params->bssid_index, 1327 sta_params->aid, sta_params->type, 1328 sta_params->mac); 1329 1330 if (!wcn36xx_is_fw_version(wcn, 1, 2, 2, 24)) { 1331 ret = wcn36xx_smd_config_bss_v1(wcn, &msg); 1332 } else { 1333 PREPARE_HAL_BUF(wcn->hal_buf, msg); 1334 1335 ret = wcn36xx_smd_send_and_wait(wcn, msg.header.len); 1336 } 1337 if (ret) { 1338 wcn36xx_err("Sending hal_config_bss failed\n"); 1339 goto out; 1340 } 1341 ret = wcn36xx_smd_config_bss_rsp(wcn, 1342 vif, 1343 sta, 1344 wcn->hal_buf, 1345 wcn->hal_rsp_len); 1346 if (ret) { 1347 wcn36xx_err("hal_config_bss response failed err=%d\n", ret); 1348 goto out; 1349 } 1350 out: 1351 mutex_unlock(&wcn->hal_mutex); 1352 return ret; 1353 } 1354 1355 int wcn36xx_smd_delete_bss(struct wcn36xx *wcn, struct ieee80211_vif *vif) 1356 { 1357 struct wcn36xx_hal_delete_bss_req_msg msg_body; 1358 struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 1359 int ret = 0; 1360 1361 mutex_lock(&wcn->hal_mutex); 1362 INIT_HAL_MSG(msg_body, WCN36XX_HAL_DELETE_BSS_REQ); 1363 1364 msg_body.bss_index = vif_priv->bss_index; 1365 1366 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 1367 1368 wcn36xx_dbg(WCN36XX_DBG_HAL, "hal delete bss %d\n", msg_body.bss_index); 1369 1370 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 1371 if (ret) { 1372 wcn36xx_err("Sending hal_delete_bss failed\n"); 1373 goto out; 1374 } 1375 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len); 1376 if (ret) { 1377 wcn36xx_err("hal_delete_bss response failed err=%d\n", ret); 1378 goto out; 1379 } 1380 out: 1381 mutex_unlock(&wcn->hal_mutex); 1382 return ret; 1383 } 1384 1385 int wcn36xx_smd_send_beacon(struct wcn36xx *wcn, struct ieee80211_vif *vif, 1386 struct sk_buff *skb_beacon, u16 tim_off, 1387 u16 p2p_off) 1388 { 1389 struct wcn36xx_hal_send_beacon_req_msg msg_body; 1390 int ret = 0, pad, pvm_len; 1391 1392 mutex_lock(&wcn->hal_mutex); 1393 INIT_HAL_MSG(msg_body, WCN36XX_HAL_SEND_BEACON_REQ); 1394 1395 pvm_len = skb_beacon->data[tim_off + 1] - 3; 1396 pad = TIM_MIN_PVM_SIZE - pvm_len; 1397 1398 /* Padding is irrelevant to mesh mode since tim_off is always 0. */ 1399 if (vif->type == NL80211_IFTYPE_MESH_POINT) 1400 pad = 0; 1401 1402 msg_body.beacon_length = skb_beacon->len + pad; 1403 /* TODO need to find out why + 6 is needed */ 1404 msg_body.beacon_length6 = msg_body.beacon_length + 6; 1405 1406 if (msg_body.beacon_length > BEACON_TEMPLATE_SIZE) { 1407 wcn36xx_err("Beacon is to big: beacon size=%d\n", 1408 msg_body.beacon_length); 1409 ret = -ENOMEM; 1410 goto out; 1411 } 1412 memcpy(msg_body.beacon, skb_beacon->data, skb_beacon->len); 1413 memcpy(msg_body.bssid, vif->addr, ETH_ALEN); 1414 1415 if (pad > 0) { 1416 /* 1417 * The wcn36xx FW has a fixed size for the PVM in the TIM. If 1418 * given the beacon template from mac80211 with a PVM shorter 1419 * than the FW expectes it will overwrite the data after the 1420 * TIM. 1421 */ 1422 wcn36xx_dbg(WCN36XX_DBG_HAL, "Pad TIM PVM. %d bytes at %d\n", 1423 pad, pvm_len); 1424 memmove(&msg_body.beacon[tim_off + 5 + pvm_len + pad], 1425 &msg_body.beacon[tim_off + 5 + pvm_len], 1426 skb_beacon->len - (tim_off + 5 + pvm_len)); 1427 memset(&msg_body.beacon[tim_off + 5 + pvm_len], 0, pad); 1428 msg_body.beacon[tim_off + 1] += pad; 1429 } 1430 1431 /* TODO need to find out why this is needed? */ 1432 if (vif->type == NL80211_IFTYPE_MESH_POINT) 1433 /* mesh beacon don't need this, so push further down */ 1434 msg_body.tim_ie_offset = 256; 1435 else 1436 msg_body.tim_ie_offset = tim_off+4; 1437 msg_body.p2p_ie_offset = p2p_off; 1438 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 1439 1440 wcn36xx_dbg(WCN36XX_DBG_HAL, 1441 "hal send beacon beacon_length %d\n", 1442 msg_body.beacon_length); 1443 1444 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 1445 if (ret) { 1446 wcn36xx_err("Sending hal_send_beacon failed\n"); 1447 goto out; 1448 } 1449 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len); 1450 if (ret) { 1451 wcn36xx_err("hal_send_beacon response failed err=%d\n", ret); 1452 goto out; 1453 } 1454 out: 1455 mutex_unlock(&wcn->hal_mutex); 1456 return ret; 1457 } 1458 1459 int wcn36xx_smd_update_proberesp_tmpl(struct wcn36xx *wcn, 1460 struct ieee80211_vif *vif, 1461 struct sk_buff *skb) 1462 { 1463 struct wcn36xx_hal_send_probe_resp_req_msg msg; 1464 int ret = 0; 1465 1466 mutex_lock(&wcn->hal_mutex); 1467 INIT_HAL_MSG(msg, WCN36XX_HAL_UPDATE_PROBE_RSP_TEMPLATE_REQ); 1468 1469 if (skb->len > BEACON_TEMPLATE_SIZE) { 1470 wcn36xx_warn("probe response template is too big: %d\n", 1471 skb->len); 1472 ret = -E2BIG; 1473 goto out; 1474 } 1475 1476 msg.probe_resp_template_len = skb->len; 1477 memcpy(&msg.probe_resp_template, skb->data, skb->len); 1478 1479 memcpy(msg.bssid, vif->addr, ETH_ALEN); 1480 1481 PREPARE_HAL_BUF(wcn->hal_buf, msg); 1482 1483 wcn36xx_dbg(WCN36XX_DBG_HAL, 1484 "hal update probe rsp len %d bssid %pM\n", 1485 msg.probe_resp_template_len, msg.bssid); 1486 1487 ret = wcn36xx_smd_send_and_wait(wcn, msg.header.len); 1488 if (ret) { 1489 wcn36xx_err("Sending hal_update_proberesp_tmpl failed\n"); 1490 goto out; 1491 } 1492 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len); 1493 if (ret) { 1494 wcn36xx_err("hal_update_proberesp_tmpl response failed err=%d\n", 1495 ret); 1496 goto out; 1497 } 1498 out: 1499 mutex_unlock(&wcn->hal_mutex); 1500 return ret; 1501 } 1502 1503 int wcn36xx_smd_set_stakey(struct wcn36xx *wcn, 1504 enum ani_ed_type enc_type, 1505 u8 keyidx, 1506 u8 keylen, 1507 u8 *key, 1508 u8 sta_index) 1509 { 1510 struct wcn36xx_hal_set_sta_key_req_msg msg_body; 1511 int ret = 0; 1512 1513 mutex_lock(&wcn->hal_mutex); 1514 INIT_HAL_MSG(msg_body, WCN36XX_HAL_SET_STAKEY_REQ); 1515 1516 msg_body.set_sta_key_params.sta_index = sta_index; 1517 msg_body.set_sta_key_params.enc_type = enc_type; 1518 1519 msg_body.set_sta_key_params.key[0].id = keyidx; 1520 msg_body.set_sta_key_params.key[0].unicast = 1; 1521 msg_body.set_sta_key_params.key[0].direction = WCN36XX_HAL_TX_RX; 1522 msg_body.set_sta_key_params.key[0].pae_role = 0; 1523 msg_body.set_sta_key_params.key[0].length = keylen; 1524 memcpy(msg_body.set_sta_key_params.key[0].key, key, keylen); 1525 msg_body.set_sta_key_params.single_tid_rc = 1; 1526 1527 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 1528 1529 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 1530 if (ret) { 1531 wcn36xx_err("Sending hal_set_stakey failed\n"); 1532 goto out; 1533 } 1534 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len); 1535 if (ret) { 1536 wcn36xx_err("hal_set_stakey response failed err=%d\n", ret); 1537 goto out; 1538 } 1539 out: 1540 mutex_unlock(&wcn->hal_mutex); 1541 return ret; 1542 } 1543 1544 int wcn36xx_smd_set_bsskey(struct wcn36xx *wcn, 1545 enum ani_ed_type enc_type, 1546 u8 keyidx, 1547 u8 keylen, 1548 u8 *key) 1549 { 1550 struct wcn36xx_hal_set_bss_key_req_msg msg_body; 1551 int ret = 0; 1552 1553 mutex_lock(&wcn->hal_mutex); 1554 INIT_HAL_MSG(msg_body, WCN36XX_HAL_SET_BSSKEY_REQ); 1555 msg_body.bss_idx = 0; 1556 msg_body.enc_type = enc_type; 1557 msg_body.num_keys = 1; 1558 msg_body.keys[0].id = keyidx; 1559 msg_body.keys[0].unicast = 0; 1560 msg_body.keys[0].direction = WCN36XX_HAL_RX_ONLY; 1561 msg_body.keys[0].pae_role = 0; 1562 msg_body.keys[0].length = keylen; 1563 memcpy(msg_body.keys[0].key, key, keylen); 1564 1565 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 1566 1567 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 1568 if (ret) { 1569 wcn36xx_err("Sending hal_set_bsskey failed\n"); 1570 goto out; 1571 } 1572 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len); 1573 if (ret) { 1574 wcn36xx_err("hal_set_bsskey response failed err=%d\n", ret); 1575 goto out; 1576 } 1577 out: 1578 mutex_unlock(&wcn->hal_mutex); 1579 return ret; 1580 } 1581 1582 int wcn36xx_smd_remove_stakey(struct wcn36xx *wcn, 1583 enum ani_ed_type enc_type, 1584 u8 keyidx, 1585 u8 sta_index) 1586 { 1587 struct wcn36xx_hal_remove_sta_key_req_msg msg_body; 1588 int ret = 0; 1589 1590 mutex_lock(&wcn->hal_mutex); 1591 INIT_HAL_MSG(msg_body, WCN36XX_HAL_RMV_STAKEY_REQ); 1592 1593 msg_body.sta_idx = sta_index; 1594 msg_body.enc_type = enc_type; 1595 msg_body.key_id = keyidx; 1596 1597 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 1598 1599 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 1600 if (ret) { 1601 wcn36xx_err("Sending hal_remove_stakey failed\n"); 1602 goto out; 1603 } 1604 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len); 1605 if (ret) { 1606 wcn36xx_err("hal_remove_stakey response failed err=%d\n", ret); 1607 goto out; 1608 } 1609 out: 1610 mutex_unlock(&wcn->hal_mutex); 1611 return ret; 1612 } 1613 1614 int wcn36xx_smd_remove_bsskey(struct wcn36xx *wcn, 1615 enum ani_ed_type enc_type, 1616 u8 keyidx) 1617 { 1618 struct wcn36xx_hal_remove_bss_key_req_msg msg_body; 1619 int ret = 0; 1620 1621 mutex_lock(&wcn->hal_mutex); 1622 INIT_HAL_MSG(msg_body, WCN36XX_HAL_RMV_BSSKEY_REQ); 1623 msg_body.bss_idx = 0; 1624 msg_body.enc_type = enc_type; 1625 msg_body.key_id = keyidx; 1626 1627 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 1628 1629 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 1630 if (ret) { 1631 wcn36xx_err("Sending hal_remove_bsskey failed\n"); 1632 goto out; 1633 } 1634 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len); 1635 if (ret) { 1636 wcn36xx_err("hal_remove_bsskey response failed err=%d\n", ret); 1637 goto out; 1638 } 1639 out: 1640 mutex_unlock(&wcn->hal_mutex); 1641 return ret; 1642 } 1643 1644 int wcn36xx_smd_enter_bmps(struct wcn36xx *wcn, struct ieee80211_vif *vif) 1645 { 1646 struct wcn36xx_hal_enter_bmps_req_msg msg_body; 1647 struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 1648 int ret = 0; 1649 1650 mutex_lock(&wcn->hal_mutex); 1651 INIT_HAL_MSG(msg_body, WCN36XX_HAL_ENTER_BMPS_REQ); 1652 1653 msg_body.bss_index = vif_priv->bss_index; 1654 msg_body.tbtt = vif->bss_conf.sync_tsf; 1655 msg_body.dtim_period = vif_priv->dtim_period; 1656 1657 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 1658 1659 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 1660 if (ret) { 1661 wcn36xx_err("Sending hal_enter_bmps failed\n"); 1662 goto out; 1663 } 1664 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len); 1665 if (ret) { 1666 wcn36xx_err("hal_enter_bmps response failed err=%d\n", ret); 1667 goto out; 1668 } 1669 out: 1670 mutex_unlock(&wcn->hal_mutex); 1671 return ret; 1672 } 1673 1674 int wcn36xx_smd_exit_bmps(struct wcn36xx *wcn, struct ieee80211_vif *vif) 1675 { 1676 struct wcn36xx_hal_exit_bmps_req_msg msg_body; 1677 struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 1678 int ret = 0; 1679 1680 mutex_lock(&wcn->hal_mutex); 1681 INIT_HAL_MSG(msg_body, WCN36XX_HAL_EXIT_BMPS_REQ); 1682 1683 msg_body.bss_index = vif_priv->bss_index; 1684 1685 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 1686 1687 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 1688 if (ret) { 1689 wcn36xx_err("Sending hal_exit_bmps failed\n"); 1690 goto out; 1691 } 1692 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len); 1693 if (ret) { 1694 wcn36xx_err("hal_exit_bmps response failed err=%d\n", ret); 1695 goto out; 1696 } 1697 out: 1698 mutex_unlock(&wcn->hal_mutex); 1699 return ret; 1700 } 1701 int wcn36xx_smd_set_power_params(struct wcn36xx *wcn, bool ignore_dtim) 1702 { 1703 struct wcn36xx_hal_set_power_params_req_msg msg_body; 1704 int ret = 0; 1705 1706 mutex_lock(&wcn->hal_mutex); 1707 INIT_HAL_MSG(msg_body, WCN36XX_HAL_SET_POWER_PARAMS_REQ); 1708 1709 /* 1710 * When host is down ignore every second dtim 1711 */ 1712 if (ignore_dtim) { 1713 msg_body.ignore_dtim = 1; 1714 msg_body.dtim_period = 2; 1715 } 1716 msg_body.listen_interval = WCN36XX_LISTEN_INTERVAL(wcn); 1717 1718 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 1719 1720 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 1721 if (ret) { 1722 wcn36xx_err("Sending hal_set_power_params failed\n"); 1723 goto out; 1724 } 1725 1726 out: 1727 mutex_unlock(&wcn->hal_mutex); 1728 return ret; 1729 } 1730 /* Notice: This function should be called after associated, or else it 1731 * will be invalid 1732 */ 1733 int wcn36xx_smd_keep_alive_req(struct wcn36xx *wcn, 1734 struct ieee80211_vif *vif, 1735 int packet_type) 1736 { 1737 struct wcn36xx_hal_keep_alive_req_msg msg_body; 1738 struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 1739 int ret = 0; 1740 1741 mutex_lock(&wcn->hal_mutex); 1742 INIT_HAL_MSG(msg_body, WCN36XX_HAL_KEEP_ALIVE_REQ); 1743 1744 if (packet_type == WCN36XX_HAL_KEEP_ALIVE_NULL_PKT) { 1745 msg_body.bss_index = vif_priv->bss_index; 1746 msg_body.packet_type = WCN36XX_HAL_KEEP_ALIVE_NULL_PKT; 1747 msg_body.time_period = WCN36XX_KEEP_ALIVE_TIME_PERIOD; 1748 } else if (packet_type == WCN36XX_HAL_KEEP_ALIVE_UNSOLICIT_ARP_RSP) { 1749 /* TODO: it also support ARP response type */ 1750 } else { 1751 wcn36xx_warn("unknown keep alive packet type %d\n", packet_type); 1752 ret = -EINVAL; 1753 goto out; 1754 } 1755 1756 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 1757 1758 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 1759 if (ret) { 1760 wcn36xx_err("Sending hal_keep_alive failed\n"); 1761 goto out; 1762 } 1763 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len); 1764 if (ret) { 1765 wcn36xx_err("hal_keep_alive response failed err=%d\n", ret); 1766 goto out; 1767 } 1768 out: 1769 mutex_unlock(&wcn->hal_mutex); 1770 return ret; 1771 } 1772 1773 int wcn36xx_smd_dump_cmd_req(struct wcn36xx *wcn, u32 arg1, u32 arg2, 1774 u32 arg3, u32 arg4, u32 arg5) 1775 { 1776 struct wcn36xx_hal_dump_cmd_req_msg msg_body; 1777 int ret = 0; 1778 1779 mutex_lock(&wcn->hal_mutex); 1780 INIT_HAL_MSG(msg_body, WCN36XX_HAL_DUMP_COMMAND_REQ); 1781 1782 msg_body.arg1 = arg1; 1783 msg_body.arg2 = arg2; 1784 msg_body.arg3 = arg3; 1785 msg_body.arg4 = arg4; 1786 msg_body.arg5 = arg5; 1787 1788 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 1789 1790 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 1791 if (ret) { 1792 wcn36xx_err("Sending hal_dump_cmd failed\n"); 1793 goto out; 1794 } 1795 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len); 1796 if (ret) { 1797 wcn36xx_err("hal_dump_cmd response failed err=%d\n", ret); 1798 goto out; 1799 } 1800 out: 1801 mutex_unlock(&wcn->hal_mutex); 1802 return ret; 1803 } 1804 1805 void set_feat_caps(u32 *bitmap, enum place_holder_in_cap_bitmap cap) 1806 { 1807 int arr_idx, bit_idx; 1808 1809 if (cap < 0 || cap > 127) { 1810 wcn36xx_warn("error cap idx %d\n", cap); 1811 return; 1812 } 1813 1814 arr_idx = cap / 32; 1815 bit_idx = cap % 32; 1816 bitmap[arr_idx] |= (1 << bit_idx); 1817 } 1818 1819 int get_feat_caps(u32 *bitmap, enum place_holder_in_cap_bitmap cap) 1820 { 1821 int arr_idx, bit_idx; 1822 int ret = 0; 1823 1824 if (cap < 0 || cap > 127) { 1825 wcn36xx_warn("error cap idx %d\n", cap); 1826 return -EINVAL; 1827 } 1828 1829 arr_idx = cap / 32; 1830 bit_idx = cap % 32; 1831 ret = (bitmap[arr_idx] & (1 << bit_idx)) ? 1 : 0; 1832 return ret; 1833 } 1834 1835 void clear_feat_caps(u32 *bitmap, enum place_holder_in_cap_bitmap cap) 1836 { 1837 int arr_idx, bit_idx; 1838 1839 if (cap < 0 || cap > 127) { 1840 wcn36xx_warn("error cap idx %d\n", cap); 1841 return; 1842 } 1843 1844 arr_idx = cap / 32; 1845 bit_idx = cap % 32; 1846 bitmap[arr_idx] &= ~(1 << bit_idx); 1847 } 1848 1849 int wcn36xx_smd_feature_caps_exchange(struct wcn36xx *wcn) 1850 { 1851 struct wcn36xx_hal_feat_caps_msg msg_body, *rsp; 1852 int ret = 0, i; 1853 1854 mutex_lock(&wcn->hal_mutex); 1855 INIT_HAL_MSG(msg_body, WCN36XX_HAL_FEATURE_CAPS_EXCHANGE_REQ); 1856 1857 set_feat_caps(msg_body.feat_caps, STA_POWERSAVE); 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_feature_caps_exchange failed\n"); 1864 goto out; 1865 } 1866 if (wcn->hal_rsp_len != sizeof(*rsp)) { 1867 wcn36xx_err("Invalid hal_feature_caps_exchange response"); 1868 goto out; 1869 } 1870 1871 rsp = (struct wcn36xx_hal_feat_caps_msg *) wcn->hal_buf; 1872 1873 for (i = 0; i < WCN36XX_HAL_CAPS_SIZE; i++) 1874 wcn->fw_feat_caps[i] = rsp->feat_caps[i]; 1875 out: 1876 mutex_unlock(&wcn->hal_mutex); 1877 return ret; 1878 } 1879 1880 int wcn36xx_smd_add_ba_session(struct wcn36xx *wcn, 1881 struct ieee80211_sta *sta, 1882 u16 tid, 1883 u16 *ssn, 1884 u8 direction, 1885 u8 sta_index) 1886 { 1887 struct wcn36xx_hal_add_ba_session_req_msg msg_body; 1888 int ret = 0; 1889 1890 mutex_lock(&wcn->hal_mutex); 1891 INIT_HAL_MSG(msg_body, WCN36XX_HAL_ADD_BA_SESSION_REQ); 1892 1893 msg_body.sta_index = sta_index; 1894 memcpy(&msg_body.mac_addr, sta->addr, ETH_ALEN); 1895 msg_body.dialog_token = 0x10; 1896 msg_body.tid = tid; 1897 1898 /* Immediate BA because Delayed BA is not supported */ 1899 msg_body.policy = 1; 1900 msg_body.buffer_size = WCN36XX_AGGR_BUFFER_SIZE; 1901 msg_body.timeout = 0; 1902 if (ssn) 1903 msg_body.ssn = *ssn; 1904 msg_body.direction = direction; 1905 1906 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 1907 1908 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 1909 if (ret) { 1910 wcn36xx_err("Sending hal_add_ba_session failed\n"); 1911 goto out; 1912 } 1913 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len); 1914 if (ret) { 1915 wcn36xx_err("hal_add_ba_session response failed err=%d\n", ret); 1916 goto out; 1917 } 1918 out: 1919 mutex_unlock(&wcn->hal_mutex); 1920 return ret; 1921 } 1922 1923 int wcn36xx_smd_add_ba(struct wcn36xx *wcn) 1924 { 1925 struct wcn36xx_hal_add_ba_req_msg msg_body; 1926 int ret = 0; 1927 1928 mutex_lock(&wcn->hal_mutex); 1929 INIT_HAL_MSG(msg_body, WCN36XX_HAL_ADD_BA_REQ); 1930 1931 msg_body.session_id = 0; 1932 msg_body.win_size = WCN36XX_AGGR_BUFFER_SIZE; 1933 1934 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 1935 1936 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 1937 if (ret) { 1938 wcn36xx_err("Sending hal_add_ba failed\n"); 1939 goto out; 1940 } 1941 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len); 1942 if (ret) { 1943 wcn36xx_err("hal_add_ba response failed err=%d\n", ret); 1944 goto out; 1945 } 1946 out: 1947 mutex_unlock(&wcn->hal_mutex); 1948 return ret; 1949 } 1950 1951 int wcn36xx_smd_del_ba(struct wcn36xx *wcn, u16 tid, u8 sta_index) 1952 { 1953 struct wcn36xx_hal_del_ba_req_msg msg_body; 1954 int ret = 0; 1955 1956 mutex_lock(&wcn->hal_mutex); 1957 INIT_HAL_MSG(msg_body, WCN36XX_HAL_DEL_BA_REQ); 1958 1959 msg_body.sta_index = sta_index; 1960 msg_body.tid = tid; 1961 msg_body.direction = 0; 1962 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 1963 1964 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 1965 if (ret) { 1966 wcn36xx_err("Sending hal_del_ba failed\n"); 1967 goto out; 1968 } 1969 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len); 1970 if (ret) { 1971 wcn36xx_err("hal_del_ba response failed err=%d\n", ret); 1972 goto out; 1973 } 1974 out: 1975 mutex_unlock(&wcn->hal_mutex); 1976 return ret; 1977 } 1978 1979 static int wcn36xx_smd_trigger_ba_rsp(void *buf, int len) 1980 { 1981 struct wcn36xx_hal_trigger_ba_rsp_msg *rsp; 1982 1983 if (len < sizeof(*rsp)) 1984 return -EINVAL; 1985 1986 rsp = (struct wcn36xx_hal_trigger_ba_rsp_msg *) buf; 1987 return rsp->status; 1988 } 1989 1990 int wcn36xx_smd_trigger_ba(struct wcn36xx *wcn, u8 sta_index) 1991 { 1992 struct wcn36xx_hal_trigger_ba_req_msg msg_body; 1993 struct wcn36xx_hal_trigger_ba_req_candidate *candidate; 1994 int ret = 0; 1995 1996 mutex_lock(&wcn->hal_mutex); 1997 INIT_HAL_MSG(msg_body, WCN36XX_HAL_TRIGGER_BA_REQ); 1998 1999 msg_body.session_id = 0; 2000 msg_body.candidate_cnt = 1; 2001 msg_body.header.len += sizeof(*candidate); 2002 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 2003 2004 candidate = (struct wcn36xx_hal_trigger_ba_req_candidate *) 2005 (wcn->hal_buf + sizeof(msg_body)); 2006 candidate->sta_index = sta_index; 2007 candidate->tid_bitmap = 1; 2008 2009 ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); 2010 if (ret) { 2011 wcn36xx_err("Sending hal_trigger_ba failed\n"); 2012 goto out; 2013 } 2014 ret = wcn36xx_smd_trigger_ba_rsp(wcn->hal_buf, wcn->hal_rsp_len); 2015 if (ret) { 2016 wcn36xx_err("hal_trigger_ba response failed err=%d\n", ret); 2017 goto out; 2018 } 2019 out: 2020 mutex_unlock(&wcn->hal_mutex); 2021 return ret; 2022 } 2023 2024 static int wcn36xx_smd_tx_compl_ind(struct wcn36xx *wcn, void *buf, size_t len) 2025 { 2026 struct wcn36xx_hal_tx_compl_ind_msg *rsp = buf; 2027 2028 if (len != sizeof(*rsp)) { 2029 wcn36xx_warn("Bad TX complete indication\n"); 2030 return -EIO; 2031 } 2032 2033 wcn36xx_dxe_tx_ack_ind(wcn, rsp->status); 2034 2035 return 0; 2036 } 2037 2038 static int wcn36xx_smd_missed_beacon_ind(struct wcn36xx *wcn, 2039 void *buf, 2040 size_t len) 2041 { 2042 struct wcn36xx_hal_missed_beacon_ind_msg *rsp = buf; 2043 struct ieee80211_vif *vif = NULL; 2044 struct wcn36xx_vif *tmp; 2045 2046 /* Old FW does not have bss index */ 2047 if (wcn36xx_is_fw_version(wcn, 1, 2, 2, 24)) { 2048 list_for_each_entry(tmp, &wcn->vif_list, list) { 2049 wcn36xx_dbg(WCN36XX_DBG_HAL, "beacon missed bss_index %d\n", 2050 tmp->bss_index); 2051 vif = wcn36xx_priv_to_vif(tmp); 2052 ieee80211_connection_loss(vif); 2053 } 2054 return 0; 2055 } 2056 2057 if (len != sizeof(*rsp)) { 2058 wcn36xx_warn("Corrupted missed beacon indication\n"); 2059 return -EIO; 2060 } 2061 2062 list_for_each_entry(tmp, &wcn->vif_list, list) { 2063 if (tmp->bss_index == rsp->bss_index) { 2064 wcn36xx_dbg(WCN36XX_DBG_HAL, "beacon missed bss_index %d\n", 2065 rsp->bss_index); 2066 vif = wcn36xx_priv_to_vif(tmp); 2067 ieee80211_connection_loss(vif); 2068 return 0; 2069 } 2070 } 2071 2072 wcn36xx_warn("BSS index %d not found\n", rsp->bss_index); 2073 return -ENOENT; 2074 } 2075 2076 static int wcn36xx_smd_delete_sta_context_ind(struct wcn36xx *wcn, 2077 void *buf, 2078 size_t len) 2079 { 2080 struct wcn36xx_hal_delete_sta_context_ind_msg *rsp = buf; 2081 struct wcn36xx_vif *tmp; 2082 struct ieee80211_sta *sta; 2083 2084 if (len != sizeof(*rsp)) { 2085 wcn36xx_warn("Corrupted delete sta indication\n"); 2086 return -EIO; 2087 } 2088 2089 wcn36xx_dbg(WCN36XX_DBG_HAL, "delete station indication %pM index %d\n", 2090 rsp->addr2, rsp->sta_id); 2091 2092 list_for_each_entry(tmp, &wcn->vif_list, list) { 2093 rcu_read_lock(); 2094 sta = ieee80211_find_sta(wcn36xx_priv_to_vif(tmp), rsp->addr2); 2095 if (sta) 2096 ieee80211_report_low_ack(sta, 0); 2097 rcu_read_unlock(); 2098 if (sta) 2099 return 0; 2100 } 2101 2102 wcn36xx_warn("STA with addr %pM and index %d not found\n", 2103 rsp->addr2, 2104 rsp->sta_id); 2105 return -ENOENT; 2106 } 2107 2108 int wcn36xx_smd_update_cfg(struct wcn36xx *wcn, u32 cfg_id, u32 value) 2109 { 2110 struct wcn36xx_hal_update_cfg_req_msg msg_body, *body; 2111 size_t len; 2112 int ret = 0; 2113 2114 mutex_lock(&wcn->hal_mutex); 2115 INIT_HAL_MSG(msg_body, WCN36XX_HAL_UPDATE_CFG_REQ); 2116 2117 PREPARE_HAL_BUF(wcn->hal_buf, msg_body); 2118 2119 body = (struct wcn36xx_hal_update_cfg_req_msg *) wcn->hal_buf; 2120 len = msg_body.header.len; 2121 2122 put_cfg_tlv_u32(wcn, &len, cfg_id, value); 2123 body->header.len = len; 2124 body->len = len - sizeof(*body); 2125 2126 ret = wcn36xx_smd_send_and_wait(wcn, body->header.len); 2127 if (ret) { 2128 wcn36xx_err("Sending hal_update_cfg failed\n"); 2129 goto out; 2130 } 2131 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len); 2132 if (ret) { 2133 wcn36xx_err("hal_update_cfg response failed err=%d\n", ret); 2134 goto out; 2135 } 2136 out: 2137 mutex_unlock(&wcn->hal_mutex); 2138 return ret; 2139 } 2140 2141 int wcn36xx_smd_set_mc_list(struct wcn36xx *wcn, 2142 struct ieee80211_vif *vif, 2143 struct wcn36xx_hal_rcv_flt_mc_addr_list_type *fp) 2144 { 2145 struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 2146 struct wcn36xx_hal_rcv_flt_pkt_set_mc_list_req_msg *msg_body = NULL; 2147 int ret = 0; 2148 2149 mutex_lock(&wcn->hal_mutex); 2150 2151 msg_body = (struct wcn36xx_hal_rcv_flt_pkt_set_mc_list_req_msg *) 2152 wcn->hal_buf; 2153 init_hal_msg(&msg_body->header, WCN36XX_HAL_8023_MULTICAST_LIST_REQ, 2154 sizeof(msg_body->mc_addr_list)); 2155 2156 /* An empty list means all mc traffic will be received */ 2157 if (fp) 2158 memcpy(&msg_body->mc_addr_list, fp, 2159 sizeof(msg_body->mc_addr_list)); 2160 else 2161 msg_body->mc_addr_list.mc_addr_count = 0; 2162 2163 msg_body->mc_addr_list.bss_index = vif_priv->bss_index; 2164 2165 ret = wcn36xx_smd_send_and_wait(wcn, msg_body->header.len); 2166 if (ret) { 2167 wcn36xx_err("Sending HAL_8023_MULTICAST_LIST failed\n"); 2168 goto out; 2169 } 2170 ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len); 2171 if (ret) { 2172 wcn36xx_err("HAL_8023_MULTICAST_LIST rsp failed err=%d\n", ret); 2173 goto out; 2174 } 2175 out: 2176 mutex_unlock(&wcn->hal_mutex); 2177 return ret; 2178 } 2179 2180 static void wcn36xx_smd_rsp_process(struct wcn36xx *wcn, void *buf, size_t len) 2181 { 2182 struct wcn36xx_hal_msg_header *msg_header = buf; 2183 struct wcn36xx_hal_ind_msg *msg_ind; 2184 wcn36xx_dbg_dump(WCN36XX_DBG_SMD_DUMP, "SMD <<< ", buf, len); 2185 2186 switch (msg_header->msg_type) { 2187 case WCN36XX_HAL_START_RSP: 2188 case WCN36XX_HAL_CONFIG_STA_RSP: 2189 case WCN36XX_HAL_CONFIG_BSS_RSP: 2190 case WCN36XX_HAL_ADD_STA_SELF_RSP: 2191 case WCN36XX_HAL_STOP_RSP: 2192 case WCN36XX_HAL_DEL_STA_SELF_RSP: 2193 case WCN36XX_HAL_DELETE_STA_RSP: 2194 case WCN36XX_HAL_INIT_SCAN_RSP: 2195 case WCN36XX_HAL_START_SCAN_RSP: 2196 case WCN36XX_HAL_END_SCAN_RSP: 2197 case WCN36XX_HAL_FINISH_SCAN_RSP: 2198 case WCN36XX_HAL_DOWNLOAD_NV_RSP: 2199 case WCN36XX_HAL_DELETE_BSS_RSP: 2200 case WCN36XX_HAL_SEND_BEACON_RSP: 2201 case WCN36XX_HAL_SET_LINK_ST_RSP: 2202 case WCN36XX_HAL_UPDATE_PROBE_RSP_TEMPLATE_RSP: 2203 case WCN36XX_HAL_SET_BSSKEY_RSP: 2204 case WCN36XX_HAL_SET_STAKEY_RSP: 2205 case WCN36XX_HAL_RMV_STAKEY_RSP: 2206 case WCN36XX_HAL_RMV_BSSKEY_RSP: 2207 case WCN36XX_HAL_ENTER_BMPS_RSP: 2208 case WCN36XX_HAL_SET_POWER_PARAMS_RSP: 2209 case WCN36XX_HAL_EXIT_BMPS_RSP: 2210 case WCN36XX_HAL_KEEP_ALIVE_RSP: 2211 case WCN36XX_HAL_DUMP_COMMAND_RSP: 2212 case WCN36XX_HAL_ADD_BA_SESSION_RSP: 2213 case WCN36XX_HAL_ADD_BA_RSP: 2214 case WCN36XX_HAL_DEL_BA_RSP: 2215 case WCN36XX_HAL_TRIGGER_BA_RSP: 2216 case WCN36XX_HAL_UPDATE_CFG_RSP: 2217 case WCN36XX_HAL_JOIN_RSP: 2218 case WCN36XX_HAL_UPDATE_SCAN_PARAM_RSP: 2219 case WCN36XX_HAL_CH_SWITCH_RSP: 2220 case WCN36XX_HAL_FEATURE_CAPS_EXCHANGE_RSP: 2221 case WCN36XX_HAL_8023_MULTICAST_LIST_RSP: 2222 memcpy(wcn->hal_buf, buf, len); 2223 wcn->hal_rsp_len = len; 2224 complete(&wcn->hal_rsp_compl); 2225 break; 2226 2227 case WCN36XX_HAL_COEX_IND: 2228 case WCN36XX_HAL_AVOID_FREQ_RANGE_IND: 2229 case WCN36XX_HAL_OTA_TX_COMPL_IND: 2230 case WCN36XX_HAL_MISSED_BEACON_IND: 2231 case WCN36XX_HAL_DELETE_STA_CONTEXT_IND: 2232 msg_ind = kmalloc(sizeof(*msg_ind), GFP_KERNEL); 2233 if (!msg_ind) 2234 goto nomem; 2235 msg_ind->msg_len = len; 2236 msg_ind->msg = kmemdup(buf, len, GFP_KERNEL); 2237 if (!msg_ind->msg) { 2238 kfree(msg_ind); 2239 nomem: 2240 /* 2241 * FIXME: Do something smarter then just 2242 * printing an error. 2243 */ 2244 wcn36xx_err("Run out of memory while handling SMD_EVENT (%d)\n", 2245 msg_header->msg_type); 2246 break; 2247 } 2248 mutex_lock(&wcn->hal_ind_mutex); 2249 list_add_tail(&msg_ind->list, &wcn->hal_ind_queue); 2250 queue_work(wcn->hal_ind_wq, &wcn->hal_ind_work); 2251 mutex_unlock(&wcn->hal_ind_mutex); 2252 wcn36xx_dbg(WCN36XX_DBG_HAL, "indication arrived\n"); 2253 break; 2254 default: 2255 wcn36xx_err("SMD_EVENT (%d) not supported\n", 2256 msg_header->msg_type); 2257 } 2258 } 2259 static void wcn36xx_ind_smd_work(struct work_struct *work) 2260 { 2261 struct wcn36xx *wcn = 2262 container_of(work, struct wcn36xx, hal_ind_work); 2263 struct wcn36xx_hal_msg_header *msg_header; 2264 struct wcn36xx_hal_ind_msg *hal_ind_msg; 2265 2266 mutex_lock(&wcn->hal_ind_mutex); 2267 2268 hal_ind_msg = list_first_entry(&wcn->hal_ind_queue, 2269 struct wcn36xx_hal_ind_msg, 2270 list); 2271 2272 msg_header = (struct wcn36xx_hal_msg_header *)hal_ind_msg->msg; 2273 2274 switch (msg_header->msg_type) { 2275 case WCN36XX_HAL_COEX_IND: 2276 case WCN36XX_HAL_AVOID_FREQ_RANGE_IND: 2277 break; 2278 case WCN36XX_HAL_OTA_TX_COMPL_IND: 2279 wcn36xx_smd_tx_compl_ind(wcn, 2280 hal_ind_msg->msg, 2281 hal_ind_msg->msg_len); 2282 break; 2283 case WCN36XX_HAL_MISSED_BEACON_IND: 2284 wcn36xx_smd_missed_beacon_ind(wcn, 2285 hal_ind_msg->msg, 2286 hal_ind_msg->msg_len); 2287 break; 2288 case WCN36XX_HAL_DELETE_STA_CONTEXT_IND: 2289 wcn36xx_smd_delete_sta_context_ind(wcn, 2290 hal_ind_msg->msg, 2291 hal_ind_msg->msg_len); 2292 break; 2293 default: 2294 wcn36xx_err("SMD_EVENT (%d) not supported\n", 2295 msg_header->msg_type); 2296 } 2297 list_del(wcn->hal_ind_queue.next); 2298 kfree(hal_ind_msg->msg); 2299 kfree(hal_ind_msg); 2300 mutex_unlock(&wcn->hal_ind_mutex); 2301 } 2302 int wcn36xx_smd_open(struct wcn36xx *wcn) 2303 { 2304 int ret = 0; 2305 wcn->hal_ind_wq = create_freezable_workqueue("wcn36xx_smd_ind"); 2306 if (!wcn->hal_ind_wq) { 2307 wcn36xx_err("failed to allocate wq\n"); 2308 ret = -ENOMEM; 2309 goto out; 2310 } 2311 INIT_WORK(&wcn->hal_ind_work, wcn36xx_ind_smd_work); 2312 INIT_LIST_HEAD(&wcn->hal_ind_queue); 2313 mutex_init(&wcn->hal_ind_mutex); 2314 2315 ret = wcn->ctrl_ops->open(wcn, wcn36xx_smd_rsp_process); 2316 if (ret) { 2317 wcn36xx_err("failed to open control channel\n"); 2318 goto free_wq; 2319 } 2320 2321 return ret; 2322 2323 free_wq: 2324 destroy_workqueue(wcn->hal_ind_wq); 2325 out: 2326 return ret; 2327 } 2328 2329 void wcn36xx_smd_close(struct wcn36xx *wcn) 2330 { 2331 wcn->ctrl_ops->close(); 2332 destroy_workqueue(wcn->hal_ind_wq); 2333 mutex_destroy(&wcn->hal_ind_mutex); 2334 } 2335