// SPDX-License-Identifier: GPL-2.0-only /* * NXP Wireless LAN device driver: station command response handling * * Copyright 2011-2020 NXP */ #include "decl.h" #include "ioctl.h" #include "util.h" #include "fw.h" #include "main.h" #include "wmm.h" #include "11n.h" #include "11ac.h" /* * This function handles the command response error case. * * For scan response error, the function cancels all the pending * scan commands and generates an event to inform the applications * of the scan completion. * * For Power Save command failure, we do not retry enter PS * command in case of Ad-hoc mode. * * For all other response errors, the current command buffer is freed * and returned to the free command queue. */ static void mwifiex_process_cmdresp_error(struct mwifiex_private *priv, struct host_cmd_ds_command *resp) { struct mwifiex_adapter *adapter = priv->adapter; struct host_cmd_ds_802_11_ps_mode_enh *pm; mwifiex_dbg(adapter, ERROR, "CMD_RESP: cmd %#x error, result=%#x\n", resp->command, resp->result); if (adapter->curr_cmd->wait_q_enabled) adapter->cmd_wait_q.status = -1; switch (le16_to_cpu(resp->command)) { case HostCmd_CMD_802_11_PS_MODE_ENH: pm = &resp->params.psmode_enh; mwifiex_dbg(adapter, ERROR, "PS_MODE_ENH cmd failed: result=0x%x action=0x%X\n", resp->result, le16_to_cpu(pm->action)); /* We do not re-try enter-ps command in ad-hoc mode. */ if (le16_to_cpu(pm->action) == EN_AUTO_PS && (le16_to_cpu(pm->params.ps_bitmap) & BITMAP_STA_PS) && priv->bss_mode == NL80211_IFTYPE_ADHOC) adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM; break; case HostCmd_CMD_802_11_SCAN: case HostCmd_CMD_802_11_SCAN_EXT: mwifiex_cancel_scan(adapter); break; case HostCmd_CMD_MAC_CONTROL: break; case HostCmd_CMD_SDIO_SP_RX_AGGR_CFG: mwifiex_dbg(adapter, MSG, "SDIO RX single-port aggregation Not support\n"); break; default: break; } /* Handling errors here */ mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd); spin_lock_bh(&adapter->mwifiex_cmd_lock); adapter->curr_cmd = NULL; spin_unlock_bh(&adapter->mwifiex_cmd_lock); } /* * This function handles the command response of get RSSI info. * * Handling includes changing the header fields into CPU format * and saving the following parameters in driver - * - Last data and beacon RSSI value * - Average data and beacon RSSI value * - Last data and beacon NF value * - Average data and beacon NF value * * The parameters are send to the application as well, along with * calculated SNR values. */ static int mwifiex_ret_802_11_rssi_info(struct mwifiex_private *priv, struct host_cmd_ds_command *resp) { struct host_cmd_ds_802_11_rssi_info_rsp *rssi_info_rsp = &resp->params.rssi_info_rsp; struct mwifiex_ds_misc_subsc_evt *subsc_evt = &priv->async_subsc_evt_storage; priv->data_rssi_last = le16_to_cpu(rssi_info_rsp->data_rssi_last); priv->data_nf_last = le16_to_cpu(rssi_info_rsp->data_nf_last); priv->data_rssi_avg = le16_to_cpu(rssi_info_rsp->data_rssi_avg); priv->data_nf_avg = le16_to_cpu(rssi_info_rsp->data_nf_avg); priv->bcn_rssi_last = le16_to_cpu(rssi_info_rsp->bcn_rssi_last); priv->bcn_nf_last = le16_to_cpu(rssi_info_rsp->bcn_nf_last); priv->bcn_rssi_avg = le16_to_cpu(rssi_info_rsp->bcn_rssi_avg); priv->bcn_nf_avg = le16_to_cpu(rssi_info_rsp->bcn_nf_avg); if (priv->subsc_evt_rssi_state == EVENT_HANDLED) return 0; memset(subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt)); /* Resubscribe low and high rssi events with new thresholds */ subsc_evt->events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH; subsc_evt->action = HostCmd_ACT_BITWISE_SET; if (priv->subsc_evt_rssi_state == RSSI_LOW_RECVD) { subsc_evt->bcn_l_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg - priv->cqm_rssi_hyst); subsc_evt->bcn_h_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold); } else if (priv->subsc_evt_rssi_state == RSSI_HIGH_RECVD) { subsc_evt->bcn_l_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold); subsc_evt->bcn_h_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg + priv->cqm_rssi_hyst); } subsc_evt->bcn_l_rssi_cfg.evt_freq = 1; subsc_evt->bcn_h_rssi_cfg.evt_freq = 1; priv->subsc_evt_rssi_state = EVENT_HANDLED; mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SUBSCRIBE_EVENT, 0, 0, subsc_evt, false); return 0; } /* * This function handles the command response of set/get SNMP * MIB parameters. * * Handling includes changing the header fields into CPU format * and saving the parameter in driver. * * The following parameters are supported - * - Fragmentation threshold * - RTS threshold * - Short retry limit */ static int mwifiex_ret_802_11_snmp_mib(struct mwifiex_private *priv, struct host_cmd_ds_command *resp, u32 *data_buf) { struct host_cmd_ds_802_11_snmp_mib *smib = &resp->params.smib; u16 oid = le16_to_cpu(smib->oid); u16 query_type = le16_to_cpu(smib->query_type); u32 ul_temp; mwifiex_dbg(priv->adapter, INFO, "info: SNMP_RESP: oid value = %#x,\t" "query_type = %#x, buf size = %#x\n", oid, query_type, le16_to_cpu(smib->buf_size)); if (query_type == HostCmd_ACT_GEN_GET) { ul_temp = get_unaligned_le16(smib->value); if (data_buf) *data_buf = ul_temp; switch (oid) { case FRAG_THRESH_I: mwifiex_dbg(priv->adapter, INFO, "info: SNMP_RESP: FragThsd =%u\n", ul_temp); break; case RTS_THRESH_I: mwifiex_dbg(priv->adapter, INFO, "info: SNMP_RESP: RTSThsd =%u\n", ul_temp); break; case SHORT_RETRY_LIM_I: mwifiex_dbg(priv->adapter, INFO, "info: SNMP_RESP: TxRetryCount=%u\n", ul_temp); break; case DTIM_PERIOD_I: mwifiex_dbg(priv->adapter, INFO, "info: SNMP_RESP: DTIM period=%u\n", ul_temp); break; default: break; } } return 0; } /* * This function handles the command response of get log request * * Handling includes changing the header fields into CPU format * and sending the received parameters to application. */ static int mwifiex_ret_get_log(struct mwifiex_private *priv, struct host_cmd_ds_command *resp, struct mwifiex_ds_get_stats *stats) { struct host_cmd_ds_802_11_get_log *get_log = &resp->params.get_log; if (stats) { stats->mcast_tx_frame = le32_to_cpu(get_log->mcast_tx_frame); stats->failed = le32_to_cpu(get_log->failed); stats->retry = le32_to_cpu(get_log->retry); stats->multi_retry = le32_to_cpu(get_log->multi_retry); stats->frame_dup = le32_to_cpu(get_log->frame_dup); stats->rts_success = le32_to_cpu(get_log->rts_success); stats->rts_failure = le32_to_cpu(get_log->rts_failure); stats->ack_failure = le32_to_cpu(get_log->ack_failure); stats->rx_frag = le32_to_cpu(get_log->rx_frag); stats->mcast_rx_frame = le32_to_cpu(get_log->mcast_rx_frame); stats->fcs_error = le32_to_cpu(get_log->fcs_error); stats->tx_frame = le32_to_cpu(get_log->tx_frame); stats->wep_icv_error[0] = le32_to_cpu(get_log->wep_icv_err_cnt[0]); stats->wep_icv_error[1] = le32_to_cpu(get_log->wep_icv_err_cnt[1]); stats->wep_icv_error[2] = le32_to_cpu(get_log->wep_icv_err_cnt[2]); stats->wep_icv_error[3] = le32_to_cpu(get_log->wep_icv_err_cnt[3]); stats->bcn_rcv_cnt = le32_to_cpu(get_log->bcn_rcv_cnt); stats->bcn_miss_cnt = le32_to_cpu(get_log->bcn_miss_cnt); } return 0; } /* * This function handles the command response of set/get Tx rate * configurations. * * Handling includes changing the header fields into CPU format * and saving the following parameters in driver - * - DSSS rate bitmap * - OFDM rate bitmap * - HT MCS rate bitmaps * * Based on the new rate bitmaps, the function re-evaluates if * auto data rate has been activated. If not, it sends another * query to the firmware to get the current Tx data rate. */ static int mwifiex_ret_tx_rate_cfg(struct mwifiex_private *priv, struct host_cmd_ds_command *resp) { struct host_cmd_ds_tx_rate_cfg *rate_cfg = &resp->params.tx_rate_cfg; struct mwifiex_rate_scope *rate_scope; struct mwifiex_ie_types_header *head; u16 tlv, tlv_buf_len, tlv_buf_left; u8 *tlv_buf; u32 i; tlv_buf = ((u8 *)rate_cfg) + sizeof(struct host_cmd_ds_tx_rate_cfg); tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*rate_cfg); while (tlv_buf_left >= sizeof(*head)) { head = (struct mwifiex_ie_types_header *)tlv_buf; tlv = le16_to_cpu(head->type); tlv_buf_len = le16_to_cpu(head->len); if (tlv_buf_left < (sizeof(*head) + tlv_buf_len)) break; switch (tlv) { case TLV_TYPE_RATE_SCOPE: rate_scope = (struct mwifiex_rate_scope *) tlv_buf; priv->bitmap_rates[0] = le16_to_cpu(rate_scope->hr_dsss_rate_bitmap); priv->bitmap_rates[1] = le16_to_cpu(rate_scope->ofdm_rate_bitmap); for (i = 0; i < ARRAY_SIZE(rate_scope->ht_mcs_rate_bitmap); i++) priv->bitmap_rates[2 + i] = le16_to_cpu(rate_scope-> ht_mcs_rate_bitmap[i]); if (priv->adapter->fw_api_ver == MWIFIEX_FW_V15) { for (i = 0; i < ARRAY_SIZE(rate_scope-> vht_mcs_rate_bitmap); i++) priv->bitmap_rates[10 + i] = le16_to_cpu(rate_scope-> vht_mcs_rate_bitmap[i]); } break; /* Add RATE_DROP tlv here */ } tlv_buf += (sizeof(*head) + tlv_buf_len); tlv_buf_left -= (sizeof(*head) + tlv_buf_len); } priv->is_data_rate_auto = mwifiex_is_rate_auto(priv); if (priv->is_data_rate_auto) priv->data_rate = 0; else return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_TX_RATE_QUERY, HostCmd_ACT_GEN_GET, 0, NULL, false); return 0; } /* * This function handles the command response of get Tx power level. * * Handling includes saving the maximum and minimum Tx power levels * in driver, as well as sending the values to user. */ static int mwifiex_get_power_level(struct mwifiex_private *priv, void *data_buf) { int length, max_power = -1, min_power = -1; struct mwifiex_types_power_group *pg_tlv_hdr; struct mwifiex_power_group *pg; if (!data_buf) return -1; pg_tlv_hdr = (struct mwifiex_types_power_group *)((u8 *)data_buf); pg = (struct mwifiex_power_group *) ((u8 *) pg_tlv_hdr + sizeof(struct mwifiex_types_power_group)); length = le16_to_cpu(pg_tlv_hdr->length); /* At least one structure required to update power */ if (length < sizeof(struct mwifiex_power_group)) return 0; max_power = pg->power_max; min_power = pg->power_min; length -= sizeof(struct mwifiex_power_group); while (length >= sizeof(struct mwifiex_power_group)) { pg++; if (max_power < pg->power_max) max_power = pg->power_max; if (min_power > pg->power_min) min_power = pg->power_min; length -= sizeof(struct mwifiex_power_group); } priv->min_tx_power_level = (u8) min_power; priv->max_tx_power_level = (u8) max_power; return 0; } /* * This function handles the command response of set/get Tx power * configurations. * * Handling includes changing the header fields into CPU format * and saving the current Tx power level in driver. */ static int mwifiex_ret_tx_power_cfg(struct mwifiex_private *priv, struct host_cmd_ds_command *resp) { struct mwifiex_adapter *adapter = priv->adapter; struct host_cmd_ds_txpwr_cfg *txp_cfg = &resp->params.txp_cfg; struct mwifiex_types_power_group *pg_tlv_hdr; struct mwifiex_power_group *pg; u16 action = le16_to_cpu(txp_cfg->action); u16 tlv_buf_left; pg_tlv_hdr = (struct mwifiex_types_power_group *) ((u8 *)txp_cfg + sizeof(struct host_cmd_ds_txpwr_cfg)); pg = (struct mwifiex_power_group *) ((u8 *)pg_tlv_hdr + sizeof(struct mwifiex_types_power_group)); tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*txp_cfg); if (tlv_buf_left < le16_to_cpu(pg_tlv_hdr->length) + sizeof(*pg_tlv_hdr)) return 0; switch (action) { case HostCmd_ACT_GEN_GET: if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING) mwifiex_get_power_level(priv, pg_tlv_hdr); priv->tx_power_level = (u16) pg->power_min; break; case HostCmd_ACT_GEN_SET: if (!le32_to_cpu(txp_cfg->mode)) break; if (pg->power_max == pg->power_min) priv->tx_power_level = (u16) pg->power_min; break; default: mwifiex_dbg(adapter, ERROR, "CMD_RESP: unknown cmd action %d\n", action); return 0; } mwifiex_dbg(adapter, INFO, "info: Current TxPower Level = %d, Max Power=%d, Min Power=%d\n", priv->tx_power_level, priv->max_tx_power_level, priv->min_tx_power_level); return 0; } /* * This function handles the command response of get RF Tx power. */ static int mwifiex_ret_rf_tx_power(struct mwifiex_private *priv, struct host_cmd_ds_command *resp) { struct host_cmd_ds_rf_tx_pwr *txp = &resp->params.txp; u16 action = le16_to_cpu(txp->action); priv->tx_power_level = le16_to_cpu(txp->cur_level); if (action == HostCmd_ACT_GEN_GET) { priv->max_tx_power_level = txp->max_power; priv->min_tx_power_level = txp->min_power; } mwifiex_dbg(priv->adapter, INFO, "Current TxPower Level=%d, Max Power=%d, Min Power=%d\n", priv->tx_power_level, priv->max_tx_power_level, priv->min_tx_power_level); return 0; } /* * This function handles the command response of set rf antenna */ static int mwifiex_ret_rf_antenna(struct mwifiex_private *priv, struct host_cmd_ds_command *resp) { struct host_cmd_ds_rf_ant_mimo *ant_mimo = &resp->params.ant_mimo; struct host_cmd_ds_rf_ant_siso *ant_siso = &resp->params.ant_siso; struct mwifiex_adapter *adapter = priv->adapter; if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) { priv->tx_ant = le16_to_cpu(ant_mimo->tx_ant_mode); priv->rx_ant = le16_to_cpu(ant_mimo->rx_ant_mode); mwifiex_dbg(adapter, INFO, "RF_ANT_RESP: Tx action = 0x%x, Tx Mode = 0x%04x\t" "Rx action = 0x%x, Rx Mode = 0x%04x\n", le16_to_cpu(ant_mimo->action_tx), le16_to_cpu(ant_mimo->tx_ant_mode), le16_to_cpu(ant_mimo->action_rx), le16_to_cpu(ant_mimo->rx_ant_mode)); } else { priv->tx_ant = le16_to_cpu(ant_siso->ant_mode); priv->rx_ant = le16_to_cpu(ant_siso->ant_mode); mwifiex_dbg(adapter, INFO, "RF_ANT_RESP: action = 0x%x, Mode = 0x%04x\n", le16_to_cpu(ant_siso->action), le16_to_cpu(ant_siso->ant_mode)); } return 0; } /* * This function handles the command response of set/get MAC address. * * Handling includes saving the MAC address in driver. */ static int mwifiex_ret_802_11_mac_address(struct mwifiex_private *priv, struct host_cmd_ds_command *resp) { struct host_cmd_ds_802_11_mac_address *cmd_mac_addr = &resp->params.mac_addr; memcpy(priv->curr_addr, cmd_mac_addr->mac_addr, ETH_ALEN); mwifiex_dbg(priv->adapter, INFO, "info: set mac address: %pM\n", priv->curr_addr); return 0; } /* * This function handles the command response of set/get MAC multicast * address. */ static int mwifiex_ret_mac_multicast_adr(struct mwifiex_private *priv, struct host_cmd_ds_command *resp) { return 0; } /* * This function handles the command response of get Tx rate query. * * Handling includes changing the header fields into CPU format * and saving the Tx rate and HT information parameters in driver. * * Both rate configuration and current data rate can be retrieved * with this request. */ static int mwifiex_ret_802_11_tx_rate_query(struct mwifiex_private *priv, struct host_cmd_ds_command *resp) { priv->tx_rate = resp->params.tx_rate.tx_rate; priv->tx_htinfo = resp->params.tx_rate.ht_info; if (!priv->is_data_rate_auto) priv->data_rate = mwifiex_index_to_data_rate(priv, priv->tx_rate, priv->tx_htinfo); return 0; } /* * This function handles the command response of a deauthenticate * command. * * If the deauthenticated MAC matches the current BSS MAC, the connection * state is reset. */ static int mwifiex_ret_802_11_deauthenticate(struct mwifiex_private *priv, struct host_cmd_ds_command *resp) { struct mwifiex_adapter *adapter = priv->adapter; adapter->dbg.num_cmd_deauth++; if (!memcmp(resp->params.deauth.mac_addr, &priv->curr_bss_params.bss_descriptor.mac_address, sizeof(resp->params.deauth.mac_addr))) mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING, false); return 0; } /* * This function handles the command response of ad-hoc stop. * * The function resets the connection state in driver. */ static int mwifiex_ret_802_11_ad_hoc_stop(struct mwifiex_private *priv, struct host_cmd_ds_command *resp) { mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING, false); return 0; } /* * This function handles the command response of set/get v1 key material. * * Handling includes updating the driver parameters to reflect the * changes. */ static int mwifiex_ret_802_11_key_material_v1(struct mwifiex_private *priv, struct host_cmd_ds_command *resp) { struct host_cmd_ds_802_11_key_material *key = &resp->params.key_material; int len; len = le16_to_cpu(key->key_param_set.key_len); if (len > sizeof(key->key_param_set.key)) return -EINVAL; if (le16_to_cpu(key->action) == HostCmd_ACT_GEN_SET) { if ((le16_to_cpu(key->key_param_set.key_info) & KEY_MCAST)) { mwifiex_dbg(priv->adapter, INFO, "info: key: GTK is set\n"); priv->wpa_is_gtk_set = true; priv->scan_block = false; priv->port_open = true; } } memset(priv->aes_key.key_param_set.key, 0, sizeof(key->key_param_set.key)); priv->aes_key.key_param_set.key_len = cpu_to_le16(len); memcpy(priv->aes_key.key_param_set.key, key->key_param_set.key, len); return 0; } /* * This function handles the command response of set/get v2 key material. * * Handling includes updating the driver parameters to reflect the * changes. */ static int mwifiex_ret_802_11_key_material_v2(struct mwifiex_private *priv, struct host_cmd_ds_command *resp) { struct host_cmd_ds_802_11_key_material_v2 *key_v2; int len; key_v2 = &resp->params.key_material_v2; len = le16_to_cpu(key_v2->key_param_set.key_params.aes.key_len); if (len > sizeof(key_v2->key_param_set.key_params.aes.key)) return -EINVAL; if (le16_to_cpu(key_v2->action) == HostCmd_ACT_GEN_SET) { if ((le16_to_cpu(key_v2->key_param_set.key_info) & KEY_MCAST)) { mwifiex_dbg(priv->adapter, INFO, "info: key: GTK is set\n"); priv->wpa_is_gtk_set = true; priv->scan_block = false; priv->port_open = true; } } if (key_v2->key_param_set.key_type != KEY_TYPE_ID_AES) return 0; memset(priv->aes_key_v2.key_param_set.key_params.aes.key, 0, sizeof(key_v2->key_param_set.key_params.aes.key)); priv->aes_key_v2.key_param_set.key_params.aes.key_len = cpu_to_le16(len); memcpy(priv->aes_key_v2.key_param_set.key_params.aes.key, key_v2->key_param_set.key_params.aes.key, len); return 0; } /* Wrapper function for processing response of key material command */ static int mwifiex_ret_802_11_key_material(struct mwifiex_private *priv, struct host_cmd_ds_command *resp) { if (priv->adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2) return mwifiex_ret_802_11_key_material_v2(priv, resp); else return mwifiex_ret_802_11_key_material_v1(priv, resp); } /* * This function handles the command response of get 11d domain information. */ static int mwifiex_ret_802_11d_domain_info(struct mwifiex_private *priv, struct host_cmd_ds_command *resp) { struct host_cmd_ds_802_11d_domain_info_rsp *domain_info = &resp->params.domain_info_resp; struct mwifiex_ietypes_domain_param_set *domain = &domain_info->domain; u16 action = le16_to_cpu(domain_info->action); u8 no_of_triplet; no_of_triplet = (u8) ((le16_to_cpu(domain->header.len) - IEEE80211_COUNTRY_STRING_LEN) / sizeof(struct ieee80211_country_ie_triplet)); mwifiex_dbg(priv->adapter, INFO, "info: 11D Domain Info Resp: no_of_triplet=%d\n", no_of_triplet); if (no_of_triplet > MWIFIEX_MAX_TRIPLET_802_11D) { mwifiex_dbg(priv->adapter, FATAL, "11D: invalid number of triplets %d returned\n", no_of_triplet); return -1; } switch (action) { case HostCmd_ACT_GEN_SET: /* Proc Set Action */ break; case HostCmd_ACT_GEN_GET: break; default: mwifiex_dbg(priv->adapter, ERROR, "11D: invalid action:%d\n", domain_info->action); return -1; } return 0; } /* * This function handles the command response of get extended version. * * Handling includes forming the extended version string and sending it * to application. */ static int mwifiex_ret_ver_ext(struct mwifiex_private *priv, struct host_cmd_ds_command *resp, struct host_cmd_ds_version_ext *version_ext) { struct host_cmd_ds_version_ext *ver_ext = &resp->params.verext; if (test_and_clear_bit(MWIFIEX_IS_REQUESTING_FW_VEREXT, &priv->adapter->work_flags)) { if (strncmp(ver_ext->version_str, "ChipRev:20, BB:9b(10.00), RF:40(21)", MWIFIEX_VERSION_STR_LENGTH) == 0) { struct mwifiex_ds_auto_ds auto_ds = { .auto_ds = DEEP_SLEEP_OFF, }; mwifiex_dbg(priv->adapter, MSG, "Bad HW revision detected, disabling deep sleep\n"); if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH, DIS_AUTO_PS, BITMAP_AUTO_DS, &auto_ds, false)) { mwifiex_dbg(priv->adapter, MSG, "Disabling deep sleep failed.\n"); } } return 0; } if (version_ext) { version_ext->version_str_sel = ver_ext->version_str_sel; memcpy(version_ext->version_str, ver_ext->version_str, MWIFIEX_VERSION_STR_LENGTH); memcpy(priv->version_str, ver_ext->version_str, MWIFIEX_VERSION_STR_LENGTH); /* Ensure the version string from the firmware is 0-terminated */ priv->version_str[MWIFIEX_VERSION_STR_LENGTH - 1] = '\0'; } return 0; } /* * This function handles the command response of remain on channel. */ static int mwifiex_ret_remain_on_chan(struct mwifiex_private *priv, struct host_cmd_ds_command *resp, struct host_cmd_ds_remain_on_chan *roc_cfg) { struct host_cmd_ds_remain_on_chan *resp_cfg = &resp->params.roc_cfg; if (roc_cfg) memcpy(roc_cfg, resp_cfg, sizeof(*roc_cfg)); return 0; } /* * This function handles the command response of P2P mode cfg. */ static int mwifiex_ret_p2p_mode_cfg(struct mwifiex_private *priv, struct host_cmd_ds_command *resp, void *data_buf) { struct host_cmd_ds_p2p_mode_cfg *mode_cfg = &resp->params.mode_cfg; if (data_buf) put_unaligned_le16(le16_to_cpu(mode_cfg->mode), data_buf); return 0; } /* This function handles the command response of mem_access command */ static int mwifiex_ret_mem_access(struct mwifiex_private *priv, struct host_cmd_ds_command *resp, void *pioctl_buf) { struct host_cmd_ds_mem_access *mem = (void *)&resp->params.mem; priv->mem_rw.addr = le32_to_cpu(mem->addr); priv->mem_rw.value = le32_to_cpu(mem->value); return 0; } /* * This function handles the command response of register access. * * The register value and offset are returned to the user. For EEPROM * access, the byte count is also returned. */ static int mwifiex_ret_reg_access(u16 type, struct host_cmd_ds_command *resp, void *data_buf) { struct mwifiex_ds_reg_rw *reg_rw; struct mwifiex_ds_read_eeprom *eeprom; union reg { struct host_cmd_ds_mac_reg_access *mac; struct host_cmd_ds_bbp_reg_access *bbp; struct host_cmd_ds_rf_reg_access *rf; struct host_cmd_ds_pmic_reg_access *pmic; struct host_cmd_ds_802_11_eeprom_access *eeprom; } r; if (!data_buf) return 0; reg_rw = data_buf; eeprom = data_buf; switch (type) { case HostCmd_CMD_MAC_REG_ACCESS: r.mac = &resp->params.mac_reg; reg_rw->offset = (u32) le16_to_cpu(r.mac->offset); reg_rw->value = le32_to_cpu(r.mac->value); break; case HostCmd_CMD_BBP_REG_ACCESS: r.bbp = &resp->params.bbp_reg; reg_rw->offset = (u32) le16_to_cpu(r.bbp->offset); reg_rw->value = (u32) r.bbp->value; break; case HostCmd_CMD_RF_REG_ACCESS: r.rf = &resp->params.rf_reg; reg_rw->offset = (u32) le16_to_cpu(r.rf->offset); reg_rw->value = (u32) r.bbp->value; break; case HostCmd_CMD_PMIC_REG_ACCESS: r.pmic = &resp->params.pmic_reg; reg_rw->offset = (u32) le16_to_cpu(r.pmic->offset); reg_rw->value = (u32) r.pmic->value; break; case HostCmd_CMD_CAU_REG_ACCESS: r.rf = &resp->params.rf_reg; reg_rw->offset = (u32) le16_to_cpu(r.rf->offset); reg_rw->value = (u32) r.rf->value; break; case HostCmd_CMD_802_11_EEPROM_ACCESS: r.eeprom = &resp->params.eeprom; pr_debug("info: EEPROM read len=%x\n", le16_to_cpu(r.eeprom->byte_count)); if (eeprom->byte_count < le16_to_cpu(r.eeprom->byte_count)) { eeprom->byte_count = 0; pr_debug("info: EEPROM read length is too big\n"); return -1; } eeprom->offset = le16_to_cpu(r.eeprom->offset); eeprom->byte_count = le16_to_cpu(r.eeprom->byte_count); if (eeprom->byte_count > 0) memcpy(&eeprom->value, &r.eeprom->value, min((u16)MAX_EEPROM_DATA, eeprom->byte_count)); break; default: return -1; } return 0; } /* * This function handles the command response of get IBSS coalescing status. * * If the received BSSID is different than the current one, the current BSSID, * beacon interval, ATIM window and ERP information are updated, along with * changing the ad-hoc state accordingly. */ static int mwifiex_ret_ibss_coalescing_status(struct mwifiex_private *priv, struct host_cmd_ds_command *resp) { struct host_cmd_ds_802_11_ibss_status *ibss_coal_resp = &(resp->params.ibss_coalescing); if (le16_to_cpu(ibss_coal_resp->action) == HostCmd_ACT_GEN_SET) return 0; mwifiex_dbg(priv->adapter, INFO, "info: new BSSID %pM\n", ibss_coal_resp->bssid); /* If rsp has NULL BSSID, Just return..... No Action */ if (is_zero_ether_addr(ibss_coal_resp->bssid)) { mwifiex_dbg(priv->adapter, FATAL, "new BSSID is NULL\n"); return 0; } /* If BSSID is diff, modify current BSS parameters */ if (!ether_addr_equal(priv->curr_bss_params.bss_descriptor.mac_address, ibss_coal_resp->bssid)) { /* BSSID */ memcpy(priv->curr_bss_params.bss_descriptor.mac_address, ibss_coal_resp->bssid, ETH_ALEN); /* Beacon Interval */ priv->curr_bss_params.bss_descriptor.beacon_period = le16_to_cpu(ibss_coal_resp->beacon_interval); /* ERP Information */ priv->curr_bss_params.bss_descriptor.erp_flags = (u8) le16_to_cpu(ibss_coal_resp->use_g_rate_protect); priv->adhoc_state = ADHOC_COALESCED; } return 0; } static int mwifiex_ret_tdls_oper(struct mwifiex_private *priv, struct host_cmd_ds_command *resp) { struct host_cmd_ds_tdls_oper *cmd_tdls_oper = &resp->params.tdls_oper; u16 reason = le16_to_cpu(cmd_tdls_oper->reason); u16 action = le16_to_cpu(cmd_tdls_oper->tdls_action); struct mwifiex_sta_node *node = mwifiex_get_sta_entry(priv, cmd_tdls_oper->peer_mac); switch (action) { case ACT_TDLS_DELETE: if (reason) { if (!node || reason == TDLS_ERR_LINK_NONEXISTENT) mwifiex_dbg(priv->adapter, MSG, "TDLS link delete for %pM failed: reason %d\n", cmd_tdls_oper->peer_mac, reason); else mwifiex_dbg(priv->adapter, ERROR, "TDLS link delete for %pM failed: reason %d\n", cmd_tdls_oper->peer_mac, reason); } else { mwifiex_dbg(priv->adapter, MSG, "TDLS link delete for %pM successful\n", cmd_tdls_oper->peer_mac); } break; case ACT_TDLS_CREATE: if (reason) { mwifiex_dbg(priv->adapter, ERROR, "TDLS link creation for %pM failed: reason %d", cmd_tdls_oper->peer_mac, reason); if (node && reason != TDLS_ERR_LINK_EXISTS) node->tdls_status = TDLS_SETUP_FAILURE; } else { mwifiex_dbg(priv->adapter, MSG, "TDLS link creation for %pM successful", cmd_tdls_oper->peer_mac); } break; case ACT_TDLS_CONFIG: if (reason) { mwifiex_dbg(priv->adapter, ERROR, "TDLS link config for %pM failed, reason %d\n", cmd_tdls_oper->peer_mac, reason); if (node) node->tdls_status = TDLS_SETUP_FAILURE; } else { mwifiex_dbg(priv->adapter, MSG, "TDLS link config for %pM successful\n", cmd_tdls_oper->peer_mac); } break; default: mwifiex_dbg(priv->adapter, ERROR, "Unknown TDLS command action response %d", action); return -1; } return 0; } /* * This function handles the command response for subscribe event command. */ static int mwifiex_ret_subsc_evt(struct mwifiex_private *priv, struct host_cmd_ds_command *resp) { struct host_cmd_ds_802_11_subsc_evt *cmd_sub_event = &resp->params.subsc_evt; /* For every subscribe event command (Get/Set/Clear), FW reports the * current set of subscribed events*/ mwifiex_dbg(priv->adapter, EVENT, "Bitmap of currently subscribed events: %16x\n", le16_to_cpu(cmd_sub_event->events)); return 0; } static int mwifiex_ret_uap_sta_list(struct mwifiex_private *priv, struct host_cmd_ds_command *resp) { struct host_cmd_ds_sta_list *sta_list = &resp->params.sta_list; struct mwifiex_ie_types_sta_info *sta_info = (void *)&sta_list->tlv; int i; struct mwifiex_sta_node *sta_node; for (i = 0; i < (le16_to_cpu(sta_list->sta_count)); i++) { sta_node = mwifiex_get_sta_entry(priv, sta_info->mac); if (unlikely(!sta_node)) continue; sta_node->stats.rssi = sta_info->rssi; sta_info++; } return 0; } /* This function handles the command response of set_cfg_data */ static int mwifiex_ret_cfg_data(struct mwifiex_private *priv, struct host_cmd_ds_command *resp) { if (resp->result != HostCmd_RESULT_OK) { mwifiex_dbg(priv->adapter, ERROR, "Cal data cmd resp failed\n"); return -1; } return 0; } /** This Function handles the command response of sdio rx aggr */ static int mwifiex_ret_sdio_rx_aggr_cfg(struct mwifiex_private *priv, struct host_cmd_ds_command *resp) { struct mwifiex_adapter *adapter = priv->adapter; struct host_cmd_sdio_sp_rx_aggr_cfg *cfg = &resp->params.sdio_rx_aggr_cfg; adapter->sdio_rx_aggr_enable = cfg->enable; adapter->sdio_rx_block_size = le16_to_cpu(cfg->block_size); return 0; } static int mwifiex_ret_robust_coex(struct mwifiex_private *priv, struct host_cmd_ds_command *resp, bool *is_timeshare) { struct host_cmd_ds_robust_coex *coex = &resp->params.coex; struct mwifiex_ie_types_robust_coex *coex_tlv; u16 action = le16_to_cpu(coex->action); u32 mode; coex_tlv = (struct mwifiex_ie_types_robust_coex *)((u8 *)coex + sizeof(struct host_cmd_ds_robust_coex)); if (action == HostCmd_ACT_GEN_GET) { mode = le32_to_cpu(coex_tlv->mode); if (mode == MWIFIEX_COEX_MODE_TIMESHARE) *is_timeshare = true; else *is_timeshare = false; } return 0; } static struct ieee80211_regdomain * mwifiex_create_custom_regdomain(struct mwifiex_private *priv, u8 *buf, u16 buf_len) { u16 num_chan = buf_len / 2; struct ieee80211_regdomain *regd; struct ieee80211_reg_rule *rule; bool new_rule; int idx, freq, prev_freq = 0; u32 bw, prev_bw = 0; u8 chflags, prev_chflags = 0, valid_rules = 0; if (WARN_ON_ONCE(num_chan > NL80211_MAX_SUPP_REG_RULES)) return ERR_PTR(-EINVAL); regd = kzalloc(struct_size(regd, reg_rules, num_chan), GFP_KERNEL); if (!regd) return ERR_PTR(-ENOMEM); for (idx = 0; idx < num_chan; idx++) { u8 chan; enum nl80211_band band; chan = *buf++; if (!chan) { kfree(regd); return NULL; } chflags = *buf++; band = (chan <= 14) ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ; freq = ieee80211_channel_to_frequency(chan, band); new_rule = false; if (chflags & MWIFIEX_CHANNEL_DISABLED) continue; if (band == NL80211_BAND_5GHZ) { if (!(chflags & MWIFIEX_CHANNEL_NOHT80)) bw = MHZ_TO_KHZ(80); else if (!(chflags & MWIFIEX_CHANNEL_NOHT40)) bw = MHZ_TO_KHZ(40); else bw = MHZ_TO_KHZ(20); } else { if (!(chflags & MWIFIEX_CHANNEL_NOHT40)) bw = MHZ_TO_KHZ(40); else bw = MHZ_TO_KHZ(20); } if (idx == 0 || prev_chflags != chflags || prev_bw != bw || freq - prev_freq > 20) { valid_rules++; new_rule = true; } rule = ®d->reg_rules[valid_rules - 1]; rule->freq_range.end_freq_khz = MHZ_TO_KHZ(freq + 10); prev_chflags = chflags; prev_freq = freq; prev_bw = bw; if (!new_rule) continue; rule->freq_range.start_freq_khz = MHZ_TO_KHZ(freq - 10); rule->power_rule.max_eirp = DBM_TO_MBM(19); if (chflags & MWIFIEX_CHANNEL_PASSIVE) rule->flags = NL80211_RRF_NO_IR; if (chflags & MWIFIEX_CHANNEL_DFS) rule->flags = NL80211_RRF_DFS; rule->freq_range.max_bandwidth_khz = bw; } regd->n_reg_rules = valid_rules; regd->alpha2[0] = '9'; regd->alpha2[1] = '9'; return regd; } static int mwifiex_ret_chan_region_cfg(struct mwifiex_private *priv, struct host_cmd_ds_command *resp) { struct host_cmd_ds_chan_region_cfg *reg = &resp->params.reg_cfg; u16 action = le16_to_cpu(reg->action); u16 tlv, tlv_buf_len, tlv_buf_left; struct mwifiex_ie_types_header *head; struct ieee80211_regdomain *regd; u8 *tlv_buf; if (action != HostCmd_ACT_GEN_GET) return 0; tlv_buf = (u8 *)reg + sizeof(*reg); tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*reg); while (tlv_buf_left >= sizeof(*head)) { head = (struct mwifiex_ie_types_header *)tlv_buf; tlv = le16_to_cpu(head->type); tlv_buf_len = le16_to_cpu(head->len); if (tlv_buf_left < (sizeof(*head) + tlv_buf_len)) break; switch (tlv) { case TLV_TYPE_CHAN_ATTR_CFG: mwifiex_dbg_dump(priv->adapter, CMD_D, "CHAN:", (u8 *)head + sizeof(*head), tlv_buf_len); regd = mwifiex_create_custom_regdomain(priv, (u8 *)head + sizeof(*head), tlv_buf_len); if (!IS_ERR(regd)) priv->adapter->regd = regd; break; } tlv_buf += (sizeof(*head) + tlv_buf_len); tlv_buf_left -= (sizeof(*head) + tlv_buf_len); } return 0; } static int mwifiex_ret_pkt_aggr_ctrl(struct mwifiex_private *priv, struct host_cmd_ds_command *resp) { struct host_cmd_ds_pkt_aggr_ctrl *pkt_aggr_ctrl = &resp->params.pkt_aggr_ctrl; struct mwifiex_adapter *adapter = priv->adapter; adapter->bus_aggr.enable = le16_to_cpu(pkt_aggr_ctrl->enable); if (adapter->bus_aggr.enable) adapter->intf_hdr_len = INTF_HEADER_LEN; adapter->bus_aggr.mode = MWIFIEX_BUS_AGGR_MODE_LEN_V2; adapter->bus_aggr.tx_aggr_max_size = le16_to_cpu(pkt_aggr_ctrl->tx_aggr_max_size); adapter->bus_aggr.tx_aggr_max_num = le16_to_cpu(pkt_aggr_ctrl->tx_aggr_max_num); adapter->bus_aggr.tx_aggr_align = le16_to_cpu(pkt_aggr_ctrl->tx_aggr_align); return 0; } static int mwifiex_ret_get_chan_info(struct mwifiex_private *priv, struct host_cmd_ds_command *resp, struct mwifiex_channel_band *channel_band) { struct host_cmd_ds_sta_configure *sta_cfg_cmd = &resp->params.sta_cfg; struct host_cmd_tlv_channel_band *tlv_band_channel; tlv_band_channel = (struct host_cmd_tlv_channel_band *)sta_cfg_cmd->tlv_buffer; memcpy(&channel_band->band_config, &tlv_band_channel->band_config, sizeof(struct mwifiex_band_config)); channel_band->channel = tlv_band_channel->channel; return 0; } /* * This function handles the command responses. * * This is a generic function, which calls command specific * response handlers based on the command ID. */ int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no, struct host_cmd_ds_command *resp) { int ret = 0; struct mwifiex_adapter *adapter = priv->adapter; void *data_buf = adapter->curr_cmd->data_buf; /* If the command is not successful, cleanup and return failure */ if (resp->result != HostCmd_RESULT_OK) { mwifiex_process_cmdresp_error(priv, resp); return -1; } /* Command successful, handle response */ switch (cmdresp_no) { case HostCmd_CMD_GET_HW_SPEC: ret = mwifiex_ret_get_hw_spec(priv, resp); break; case HostCmd_CMD_CFG_DATA: ret = mwifiex_ret_cfg_data(priv, resp); break; case HostCmd_CMD_MAC_CONTROL: break; case HostCmd_CMD_802_11_MAC_ADDRESS: ret = mwifiex_ret_802_11_mac_address(priv, resp); break; case HostCmd_CMD_MAC_MULTICAST_ADR: ret = mwifiex_ret_mac_multicast_adr(priv, resp); break; case HostCmd_CMD_TX_RATE_CFG: ret = mwifiex_ret_tx_rate_cfg(priv, resp); break; case HostCmd_CMD_802_11_SCAN: ret = mwifiex_ret_802_11_scan(priv, resp); adapter->curr_cmd->wait_q_enabled = false; break; case HostCmd_CMD_802_11_SCAN_EXT: ret = mwifiex_ret_802_11_scan_ext(priv, resp); adapter->curr_cmd->wait_q_enabled = false; break; case HostCmd_CMD_802_11_BG_SCAN_QUERY: ret = mwifiex_ret_802_11_scan(priv, resp); cfg80211_sched_scan_results(priv->wdev.wiphy, 0); mwifiex_dbg(adapter, CMD, "info: CMD_RESP: BG_SCAN result is ready!\n"); break; case HostCmd_CMD_802_11_BG_SCAN_CONFIG: break; case HostCmd_CMD_TXPWR_CFG: ret = mwifiex_ret_tx_power_cfg(priv, resp); break; case HostCmd_CMD_RF_TX_PWR: ret = mwifiex_ret_rf_tx_power(priv, resp); break; case HostCmd_CMD_RF_ANTENNA: ret = mwifiex_ret_rf_antenna(priv, resp); break; case HostCmd_CMD_802_11_PS_MODE_ENH: ret = mwifiex_ret_enh_power_mode(priv, resp, data_buf); break; case HostCmd_CMD_802_11_HS_CFG_ENH: ret = mwifiex_ret_802_11_hs_cfg(priv, resp); break; case HostCmd_CMD_802_11_ASSOCIATE: ret = mwifiex_ret_802_11_associate(priv, resp); break; case HostCmd_CMD_802_11_DEAUTHENTICATE: ret = mwifiex_ret_802_11_deauthenticate(priv, resp); break; case HostCmd_CMD_802_11_AD_HOC_START: case HostCmd_CMD_802_11_AD_HOC_JOIN: ret = mwifiex_ret_802_11_ad_hoc(priv, resp); break; case HostCmd_CMD_802_11_AD_HOC_STOP: ret = mwifiex_ret_802_11_ad_hoc_stop(priv, resp); break; case HostCmd_CMD_802_11_GET_LOG: ret = mwifiex_ret_get_log(priv, resp, data_buf); break; case HostCmd_CMD_RSSI_INFO: ret = mwifiex_ret_802_11_rssi_info(priv, resp); break; case HostCmd_CMD_802_11_SNMP_MIB: ret = mwifiex_ret_802_11_snmp_mib(priv, resp, data_buf); break; case HostCmd_CMD_802_11_TX_RATE_QUERY: ret = mwifiex_ret_802_11_tx_rate_query(priv, resp); break; case HostCmd_CMD_VERSION_EXT: ret = mwifiex_ret_ver_ext(priv, resp, data_buf); break; case HostCmd_CMD_REMAIN_ON_CHAN: ret = mwifiex_ret_remain_on_chan(priv, resp, data_buf); break; case HostCmd_CMD_11AC_CFG: break; case HostCmd_CMD_PACKET_AGGR_CTRL: ret = mwifiex_ret_pkt_aggr_ctrl(priv, resp); break; case HostCmd_CMD_P2P_MODE_CFG: ret = mwifiex_ret_p2p_mode_cfg(priv, resp, data_buf); break; case HostCmd_CMD_MGMT_FRAME_REG: case HostCmd_CMD_FUNC_INIT: case HostCmd_CMD_FUNC_SHUTDOWN: break; case HostCmd_CMD_802_11_KEY_MATERIAL: ret = mwifiex_ret_802_11_key_material(priv, resp); break; case HostCmd_CMD_802_11D_DOMAIN_INFO: ret = mwifiex_ret_802_11d_domain_info(priv, resp); break; case HostCmd_CMD_11N_ADDBA_REQ: ret = mwifiex_ret_11n_addba_req(priv, resp); break; case HostCmd_CMD_11N_DELBA: ret = mwifiex_ret_11n_delba(priv, resp); break; case HostCmd_CMD_11N_ADDBA_RSP: ret = mwifiex_ret_11n_addba_resp(priv, resp); break; case HostCmd_CMD_RECONFIGURE_TX_BUFF: if (0xffff == (u16)le16_to_cpu(resp->params.tx_buf.buff_size)) { if (adapter->iface_type == MWIFIEX_USB && adapter->usb_mc_setup) { if (adapter->if_ops.multi_port_resync) adapter->if_ops. multi_port_resync(adapter); adapter->usb_mc_setup = false; adapter->tx_lock_flag = false; } break; } adapter->tx_buf_size = (u16) le16_to_cpu(resp->params. tx_buf.buff_size); adapter->tx_buf_size = (adapter->tx_buf_size / MWIFIEX_SDIO_BLOCK_SIZE) * MWIFIEX_SDIO_BLOCK_SIZE; adapter->curr_tx_buf_size = adapter->tx_buf_size; mwifiex_dbg(adapter, CMD, "cmd: curr_tx_buf_size=%d\n", adapter->curr_tx_buf_size); if (adapter->if_ops.update_mp_end_port) adapter->if_ops.update_mp_end_port(adapter, le16_to_cpu(resp->params.tx_buf.mp_end_port)); break; case HostCmd_CMD_AMSDU_AGGR_CTRL: break; case HostCmd_CMD_WMM_GET_STATUS: ret = mwifiex_ret_wmm_get_status(priv, resp); break; case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS: ret = mwifiex_ret_ibss_coalescing_status(priv, resp); break; case HostCmd_CMD_MEM_ACCESS: ret = mwifiex_ret_mem_access(priv, resp, data_buf); break; case HostCmd_CMD_MAC_REG_ACCESS: case HostCmd_CMD_BBP_REG_ACCESS: case HostCmd_CMD_RF_REG_ACCESS: case HostCmd_CMD_PMIC_REG_ACCESS: case HostCmd_CMD_CAU_REG_ACCESS: case HostCmd_CMD_802_11_EEPROM_ACCESS: ret = mwifiex_ret_reg_access(cmdresp_no, resp, data_buf); break; case HostCmd_CMD_SET_BSS_MODE: break; case HostCmd_CMD_11N_CFG: break; case HostCmd_CMD_PCIE_DESC_DETAILS: break; case HostCmd_CMD_802_11_SUBSCRIBE_EVENT: ret = mwifiex_ret_subsc_evt(priv, resp); break; case HostCmd_CMD_UAP_SYS_CONFIG: break; case HOST_CMD_APCMD_STA_LIST: ret = mwifiex_ret_uap_sta_list(priv, resp); break; case HostCmd_CMD_UAP_BSS_START: adapter->tx_lock_flag = false; adapter->pps_uapsd_mode = false; adapter->delay_null_pkt = false; priv->bss_started = 1; break; case HostCmd_CMD_UAP_BSS_STOP: priv->bss_started = 0; break; case HostCmd_CMD_UAP_STA_DEAUTH: break; case HostCmd_CMD_ADD_NEW_STATION: break; case HOST_CMD_APCMD_SYS_RESET: break; case HostCmd_CMD_MEF_CFG: break; case HostCmd_CMD_COALESCE_CFG: break; case HostCmd_CMD_TDLS_OPER: ret = mwifiex_ret_tdls_oper(priv, resp); break; case HostCmd_CMD_MC_POLICY: break; case HostCmd_CMD_CHAN_REPORT_REQUEST: break; case HostCmd_CMD_SDIO_SP_RX_AGGR_CFG: ret = mwifiex_ret_sdio_rx_aggr_cfg(priv, resp); break; case HostCmd_CMD_HS_WAKEUP_REASON: ret = mwifiex_ret_wakeup_reason(priv, resp, data_buf); break; case HostCmd_CMD_TDLS_CONFIG: break; case HostCmd_CMD_ROBUST_COEX: ret = mwifiex_ret_robust_coex(priv, resp, data_buf); break; case HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG: break; case HostCmd_CMD_CHAN_REGION_CFG: ret = mwifiex_ret_chan_region_cfg(priv, resp); break; case HostCmd_CMD_STA_CONFIGURE: ret = mwifiex_ret_get_chan_info(priv, resp, data_buf); break; default: mwifiex_dbg(adapter, ERROR, "CMD_RESP: unknown cmd response %#x\n", resp->command); break; } return ret; }