| /** |
| * Copyright (c) 2014 Redpine Signals Inc. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| #include <linux/etherdevice.h> |
| #include <linux/timer.h> |
| #include "rsi_mgmt.h" |
| #include "rsi_common.h" |
| #include "rsi_ps.h" |
| #include "rsi_hal.h" |
| |
| static struct bootup_params boot_params_20 = { |
| .magic_number = cpu_to_le16(0x5aa5), |
| .crystal_good_time = 0x0, |
| .valid = cpu_to_le32(VALID_20), |
| .reserved_for_valids = 0x0, |
| .bootup_mode_info = 0x0, |
| .digital_loop_back_params = 0x0, |
| .rtls_timestamp_en = 0x0, |
| .host_spi_intr_cfg = 0x0, |
| .device_clk_info = {{ |
| .pll_config_g = { |
| .tapll_info_g = { |
| .pll_reg_1 = cpu_to_le16((TA_PLL_N_VAL_20 << 8)| |
| (TA_PLL_M_VAL_20)), |
| .pll_reg_2 = cpu_to_le16(TA_PLL_P_VAL_20), |
| }, |
| .pll960_info_g = { |
| .pll_reg_1 = cpu_to_le16((PLL960_P_VAL_20 << 8)| |
| (PLL960_N_VAL_20)), |
| .pll_reg_2 = cpu_to_le16(PLL960_M_VAL_20), |
| .pll_reg_3 = 0x0, |
| }, |
| .afepll_info_g = { |
| .pll_reg = cpu_to_le16(0x9f0), |
| } |
| }, |
| .switch_clk_g = { |
| .switch_clk_info = cpu_to_le16(0xb), |
| .bbp_lmac_clk_reg_val = cpu_to_le16(0x111), |
| .umac_clock_reg_config = cpu_to_le16(0x48), |
| .qspi_uart_clock_reg_config = cpu_to_le16(0x1211) |
| } |
| }, |
| { |
| .pll_config_g = { |
| .tapll_info_g = { |
| .pll_reg_1 = cpu_to_le16((TA_PLL_N_VAL_20 << 8)| |
| (TA_PLL_M_VAL_20)), |
| .pll_reg_2 = cpu_to_le16(TA_PLL_P_VAL_20), |
| }, |
| .pll960_info_g = { |
| .pll_reg_1 = cpu_to_le16((PLL960_P_VAL_20 << 8)| |
| (PLL960_N_VAL_20)), |
| .pll_reg_2 = cpu_to_le16(PLL960_M_VAL_20), |
| .pll_reg_3 = 0x0, |
| }, |
| .afepll_info_g = { |
| .pll_reg = cpu_to_le16(0x9f0), |
| } |
| }, |
| .switch_clk_g = { |
| .switch_clk_info = 0x0, |
| .bbp_lmac_clk_reg_val = 0x0, |
| .umac_clock_reg_config = 0x0, |
| .qspi_uart_clock_reg_config = 0x0 |
| } |
| }, |
| { |
| .pll_config_g = { |
| .tapll_info_g = { |
| .pll_reg_1 = cpu_to_le16((TA_PLL_N_VAL_20 << 8)| |
| (TA_PLL_M_VAL_20)), |
| .pll_reg_2 = cpu_to_le16(TA_PLL_P_VAL_20), |
| }, |
| .pll960_info_g = { |
| .pll_reg_1 = cpu_to_le16((PLL960_P_VAL_20 << 8)| |
| (PLL960_N_VAL_20)), |
| .pll_reg_2 = cpu_to_le16(PLL960_M_VAL_20), |
| .pll_reg_3 = 0x0, |
| }, |
| .afepll_info_g = { |
| .pll_reg = cpu_to_le16(0x9f0), |
| } |
| }, |
| .switch_clk_g = { |
| .switch_clk_info = 0x0, |
| .bbp_lmac_clk_reg_val = 0x0, |
| .umac_clock_reg_config = 0x0, |
| .qspi_uart_clock_reg_config = 0x0 |
| } |
| } }, |
| .buckboost_wakeup_cnt = 0x0, |
| .pmu_wakeup_wait = 0x0, |
| .shutdown_wait_time = 0x0, |
| .pmu_slp_clkout_sel = 0x0, |
| .wdt_prog_value = 0x0, |
| .wdt_soc_rst_delay = 0x0, |
| .dcdc_operation_mode = 0x0, |
| .soc_reset_wait_cnt = 0x0, |
| .waiting_time_at_fresh_sleep = 0x0, |
| .max_threshold_to_avoid_sleep = 0x0, |
| .beacon_resedue_alg_en = 0, |
| }; |
| |
| static struct bootup_params boot_params_40 = { |
| .magic_number = cpu_to_le16(0x5aa5), |
| .crystal_good_time = 0x0, |
| .valid = cpu_to_le32(VALID_40), |
| .reserved_for_valids = 0x0, |
| .bootup_mode_info = 0x0, |
| .digital_loop_back_params = 0x0, |
| .rtls_timestamp_en = 0x0, |
| .host_spi_intr_cfg = 0x0, |
| .device_clk_info = {{ |
| .pll_config_g = { |
| .tapll_info_g = { |
| .pll_reg_1 = cpu_to_le16((TA_PLL_N_VAL_40 << 8)| |
| (TA_PLL_M_VAL_40)), |
| .pll_reg_2 = cpu_to_le16(TA_PLL_P_VAL_40), |
| }, |
| .pll960_info_g = { |
| .pll_reg_1 = cpu_to_le16((PLL960_P_VAL_40 << 8)| |
| (PLL960_N_VAL_40)), |
| .pll_reg_2 = cpu_to_le16(PLL960_M_VAL_40), |
| .pll_reg_3 = 0x0, |
| }, |
| .afepll_info_g = { |
| .pll_reg = cpu_to_le16(0x9f0), |
| } |
| }, |
| .switch_clk_g = { |
| .switch_clk_info = cpu_to_le16(0x09), |
| .bbp_lmac_clk_reg_val = cpu_to_le16(0x1121), |
| .umac_clock_reg_config = cpu_to_le16(0x48), |
| .qspi_uart_clock_reg_config = cpu_to_le16(0x1211) |
| } |
| }, |
| { |
| .pll_config_g = { |
| .tapll_info_g = { |
| .pll_reg_1 = cpu_to_le16((TA_PLL_N_VAL_40 << 8)| |
| (TA_PLL_M_VAL_40)), |
| .pll_reg_2 = cpu_to_le16(TA_PLL_P_VAL_40), |
| }, |
| .pll960_info_g = { |
| .pll_reg_1 = cpu_to_le16((PLL960_P_VAL_40 << 8)| |
| (PLL960_N_VAL_40)), |
| .pll_reg_2 = cpu_to_le16(PLL960_M_VAL_40), |
| .pll_reg_3 = 0x0, |
| }, |
| .afepll_info_g = { |
| .pll_reg = cpu_to_le16(0x9f0), |
| } |
| }, |
| .switch_clk_g = { |
| .switch_clk_info = 0x0, |
| .bbp_lmac_clk_reg_val = 0x0, |
| .umac_clock_reg_config = 0x0, |
| .qspi_uart_clock_reg_config = 0x0 |
| } |
| }, |
| { |
| .pll_config_g = { |
| .tapll_info_g = { |
| .pll_reg_1 = cpu_to_le16((TA_PLL_N_VAL_40 << 8)| |
| (TA_PLL_M_VAL_40)), |
| .pll_reg_2 = cpu_to_le16(TA_PLL_P_VAL_40), |
| }, |
| .pll960_info_g = { |
| .pll_reg_1 = cpu_to_le16((PLL960_P_VAL_40 << 8)| |
| (PLL960_N_VAL_40)), |
| .pll_reg_2 = cpu_to_le16(PLL960_M_VAL_40), |
| .pll_reg_3 = 0x0, |
| }, |
| .afepll_info_g = { |
| .pll_reg = cpu_to_le16(0x9f0), |
| } |
| }, |
| .switch_clk_g = { |
| .switch_clk_info = 0x0, |
| .bbp_lmac_clk_reg_val = 0x0, |
| .umac_clock_reg_config = 0x0, |
| .qspi_uart_clock_reg_config = 0x0 |
| } |
| } }, |
| .buckboost_wakeup_cnt = 0x0, |
| .pmu_wakeup_wait = 0x0, |
| .shutdown_wait_time = 0x0, |
| .pmu_slp_clkout_sel = 0x0, |
| .wdt_prog_value = 0x0, |
| .wdt_soc_rst_delay = 0x0, |
| .dcdc_operation_mode = 0x0, |
| .soc_reset_wait_cnt = 0x0, |
| .waiting_time_at_fresh_sleep = 0x0, |
| .max_threshold_to_avoid_sleep = 0x0, |
| .beacon_resedue_alg_en = 0, |
| }; |
| |
| static u16 mcs[] = {13, 26, 39, 52, 78, 104, 117, 130}; |
| |
| /** |
| * rsi_set_default_parameters() - This function sets default parameters. |
| * @common: Pointer to the driver private structure. |
| * |
| * Return: none |
| */ |
| static void rsi_set_default_parameters(struct rsi_common *common) |
| { |
| common->band = NL80211_BAND_2GHZ; |
| common->channel_width = BW_20MHZ; |
| common->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; |
| common->channel = 1; |
| common->min_rate = 0xffff; |
| common->fsm_state = FSM_CARD_NOT_READY; |
| common->iface_down = true; |
| common->endpoint = EP_2GHZ_20MHZ; |
| common->driver_mode = 1; /* End to end mode */ |
| common->lp_ps_handshake_mode = 0; /* Default no handShake mode*/ |
| common->ulp_ps_handshake_mode = 2; /* Default PKT handShake mode*/ |
| common->rf_power_val = 0; /* Default 1.9V */ |
| common->wlan_rf_power_mode = 0; |
| common->obm_ant_sel_val = 2; |
| common->beacon_interval = RSI_BEACON_INTERVAL; |
| common->dtim_cnt = RSI_DTIM_COUNT; |
| } |
| |
| void init_bgscan_params(struct rsi_common *common) |
| { |
| memset((u8 *)&common->bgscan, 0, sizeof(struct rsi_bgscan_params)); |
| common->bgscan.bgscan_threshold = RSI_DEF_BGSCAN_THRLD; |
| common->bgscan.roam_threshold = RSI_DEF_ROAM_THRLD; |
| common->bgscan.bgscan_periodicity = RSI_BGSCAN_PERIODICITY; |
| common->bgscan.num_bgscan_channels = 0; |
| common->bgscan.two_probe = 1; |
| common->bgscan.active_scan_duration = RSI_ACTIVE_SCAN_TIME; |
| common->bgscan.passive_scan_duration = RSI_PASSIVE_SCAN_TIME; |
| } |
| |
| /** |
| * rsi_set_contention_vals() - This function sets the contention values for the |
| * backoff procedure. |
| * @common: Pointer to the driver private structure. |
| * |
| * Return: None. |
| */ |
| static void rsi_set_contention_vals(struct rsi_common *common) |
| { |
| u8 ii = 0; |
| |
| for (; ii < NUM_EDCA_QUEUES; ii++) { |
| common->tx_qinfo[ii].wme_params = |
| (((common->edca_params[ii].cw_min / 2) + |
| (common->edca_params[ii].aifs)) * |
| WMM_SHORT_SLOT_TIME + SIFS_DURATION); |
| common->tx_qinfo[ii].weight = common->tx_qinfo[ii].wme_params; |
| common->tx_qinfo[ii].pkt_contended = 0; |
| } |
| } |
| |
| /** |
| * rsi_send_internal_mgmt_frame() - This function sends management frames to |
| * firmware.Also schedules packet to queue |
| * for transmission. |
| * @common: Pointer to the driver private structure. |
| * @skb: Pointer to the socket buffer structure. |
| * |
| * Return: 0 on success, -1 on failure. |
| */ |
| static int rsi_send_internal_mgmt_frame(struct rsi_common *common, |
| struct sk_buff *skb) |
| { |
| struct skb_info *tx_params; |
| struct rsi_cmd_desc *desc; |
| |
| if (skb == NULL) { |
| rsi_dbg(ERR_ZONE, "%s: Unable to allocate skb\n", __func__); |
| return -ENOMEM; |
| } |
| desc = (struct rsi_cmd_desc *)skb->data; |
| desc->desc_dword0.len_qno |= cpu_to_le16(DESC_IMMEDIATE_WAKEUP); |
| skb->priority = MGMT_SOFT_Q; |
| tx_params = (struct skb_info *)&IEEE80211_SKB_CB(skb)->driver_data; |
| tx_params->flags |= INTERNAL_MGMT_PKT; |
| skb_queue_tail(&common->tx_queue[MGMT_SOFT_Q], skb); |
| rsi_set_event(&common->tx_thread.event); |
| return 0; |
| } |
| |
| /** |
| * rsi_load_radio_caps() - This function is used to send radio capabilities |
| * values to firmware. |
| * @common: Pointer to the driver private structure. |
| * |
| * Return: 0 on success, corresponding negative error code on failure. |
| */ |
| static int rsi_load_radio_caps(struct rsi_common *common) |
| { |
| struct rsi_radio_caps *radio_caps; |
| struct rsi_hw *adapter = common->priv; |
| u16 inx = 0; |
| u8 ii; |
| u8 radio_id = 0; |
| u16 gc[20] = {0xf0, 0xf0, 0xf0, 0xf0, |
| 0xf0, 0xf0, 0xf0, 0xf0, |
| 0xf0, 0xf0, 0xf0, 0xf0, |
| 0xf0, 0xf0, 0xf0, 0xf0, |
| 0xf0, 0xf0, 0xf0, 0xf0}; |
| struct sk_buff *skb; |
| u16 frame_len = sizeof(struct rsi_radio_caps); |
| |
| rsi_dbg(INFO_ZONE, "%s: Sending rate symbol req frame\n", __func__); |
| |
| skb = dev_alloc_skb(frame_len); |
| |
| if (!skb) { |
| rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n", |
| __func__); |
| return -ENOMEM; |
| } |
| |
| memset(skb->data, 0, frame_len); |
| radio_caps = (struct rsi_radio_caps *)skb->data; |
| |
| radio_caps->desc_dword0.frame_type = RADIO_CAPABILITIES; |
| radio_caps->channel_num = common->channel; |
| radio_caps->rf_model = RSI_RF_TYPE; |
| |
| radio_caps->radio_cfg_info = RSI_LMAC_CLOCK_80MHZ; |
| if (common->channel_width == BW_40MHZ) { |
| radio_caps->radio_cfg_info |= RSI_ENABLE_40MHZ; |
| |
| if (common->fsm_state == FSM_MAC_INIT_DONE) { |
| struct ieee80211_hw *hw = adapter->hw; |
| struct ieee80211_conf *conf = &hw->conf; |
| |
| if (conf_is_ht40_plus(conf)) { |
| radio_caps->ppe_ack_rate = |
| cpu_to_le16(LOWER_20_ENABLE | |
| (LOWER_20_ENABLE >> 12)); |
| } else if (conf_is_ht40_minus(conf)) { |
| radio_caps->ppe_ack_rate = |
| cpu_to_le16(UPPER_20_ENABLE | |
| (UPPER_20_ENABLE >> 12)); |
| } else { |
| radio_caps->ppe_ack_rate = |
| cpu_to_le16((BW_40MHZ << 12) | |
| FULL40M_ENABLE); |
| } |
| } |
| } |
| radio_caps->radio_info |= radio_id; |
| |
| radio_caps->sifs_tx_11n = cpu_to_le16(SIFS_TX_11N_VALUE); |
| radio_caps->sifs_tx_11b = cpu_to_le16(SIFS_TX_11B_VALUE); |
| radio_caps->slot_rx_11n = cpu_to_le16(SHORT_SLOT_VALUE); |
| radio_caps->ofdm_ack_tout = cpu_to_le16(OFDM_ACK_TOUT_VALUE); |
| radio_caps->cck_ack_tout = cpu_to_le16(CCK_ACK_TOUT_VALUE); |
| radio_caps->preamble_type = cpu_to_le16(LONG_PREAMBLE); |
| |
| for (ii = 0; ii < MAX_HW_QUEUES; ii++) { |
| radio_caps->qos_params[ii].cont_win_min_q = cpu_to_le16(3); |
| radio_caps->qos_params[ii].cont_win_max_q = cpu_to_le16(0x3f); |
| radio_caps->qos_params[ii].aifsn_val_q = cpu_to_le16(2); |
| radio_caps->qos_params[ii].txop_q = 0; |
| } |
| |
| for (ii = 0; ii < NUM_EDCA_QUEUES; ii++) { |
| radio_caps->qos_params[ii].cont_win_min_q = |
| cpu_to_le16(common->edca_params[ii].cw_min); |
| radio_caps->qos_params[ii].cont_win_max_q = |
| cpu_to_le16(common->edca_params[ii].cw_max); |
| radio_caps->qos_params[ii].aifsn_val_q = |
| cpu_to_le16((common->edca_params[ii].aifs) << 8); |
| radio_caps->qos_params[ii].txop_q = |
| cpu_to_le16(common->edca_params[ii].txop); |
| } |
| |
| radio_caps->qos_params[BROADCAST_HW_Q].txop_q = cpu_to_le16(0xffff); |
| radio_caps->qos_params[MGMT_HW_Q].txop_q = 0; |
| radio_caps->qos_params[BEACON_HW_Q].txop_q = cpu_to_le16(0xffff); |
| |
| memcpy(&common->rate_pwr[0], &gc[0], 40); |
| for (ii = 0; ii < 20; ii++) |
| radio_caps->gcpd_per_rate[inx++] = |
| cpu_to_le16(common->rate_pwr[ii] & 0x00FF); |
| |
| rsi_set_len_qno(&radio_caps->desc_dword0.len_qno, |
| (frame_len - FRAME_DESC_SZ), RSI_WIFI_MGMT_Q); |
| |
| skb_put(skb, frame_len); |
| |
| return rsi_send_internal_mgmt_frame(common, skb); |
| } |
| |
| /** |
| * rsi_mgmt_pkt_to_core() - This function is the entry point for Mgmt module. |
| * @common: Pointer to the driver private structure. |
| * @msg: Pointer to received packet. |
| * @msg_len: Length of the received packet. |
| * @type: Type of received packet. |
| * |
| * Return: 0 on success, -1 on failure. |
| */ |
| static int rsi_mgmt_pkt_to_core(struct rsi_common *common, |
| u8 *msg, |
| s32 msg_len) |
| { |
| struct rsi_hw *adapter = common->priv; |
| struct ieee80211_tx_info *info; |
| struct skb_info *rx_params; |
| u8 pad_bytes = msg[4]; |
| struct sk_buff *skb; |
| |
| if (!adapter->sc_nvifs) |
| return -ENOLINK; |
| |
| msg_len -= pad_bytes; |
| if (msg_len <= 0) { |
| rsi_dbg(MGMT_RX_ZONE, |
| "%s: Invalid rx msg of len = %d\n", |
| __func__, msg_len); |
| return -EINVAL; |
| } |
| |
| skb = dev_alloc_skb(msg_len); |
| if (!skb) |
| return -ENOMEM; |
| |
| skb_put_data(skb, |
| (u8 *)(msg + FRAME_DESC_SZ + pad_bytes), |
| msg_len); |
| |
| info = IEEE80211_SKB_CB(skb); |
| rx_params = (struct skb_info *)info->driver_data; |
| rx_params->rssi = rsi_get_rssi(msg); |
| rx_params->channel = rsi_get_channel(msg); |
| rsi_indicate_pkt_to_os(common, skb); |
| |
| return 0; |
| } |
| |
| /** |
| * rsi_hal_send_sta_notify_frame() - This function sends the station notify |
| * frame to firmware. |
| * @common: Pointer to the driver private structure. |
| * @opmode: Operating mode of device. |
| * @notify_event: Notification about station connection. |
| * @bssid: bssid. |
| * @qos_enable: Qos is enabled. |
| * @aid: Aid (unique for all STA). |
| * |
| * Return: status: 0 on success, corresponding negative error code on failure. |
| */ |
| int rsi_hal_send_sta_notify_frame(struct rsi_common *common, enum opmode opmode, |
| u8 notify_event, const unsigned char *bssid, |
| u8 qos_enable, u16 aid, u16 sta_id, |
| struct ieee80211_vif *vif) |
| { |
| struct sk_buff *skb = NULL; |
| struct rsi_peer_notify *peer_notify; |
| u16 vap_id = ((struct vif_priv *)vif->drv_priv)->vap_id; |
| int status; |
| u16 frame_len = sizeof(struct rsi_peer_notify); |
| |
| rsi_dbg(MGMT_TX_ZONE, "%s: Sending sta notify frame\n", __func__); |
| |
| skb = dev_alloc_skb(frame_len); |
| |
| if (!skb) { |
| rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n", |
| __func__); |
| return -ENOMEM; |
| } |
| |
| memset(skb->data, 0, frame_len); |
| peer_notify = (struct rsi_peer_notify *)skb->data; |
| |
| if (opmode == RSI_OPMODE_STA) |
| peer_notify->command = cpu_to_le16(PEER_TYPE_AP << 1); |
| else if (opmode == RSI_OPMODE_AP) |
| peer_notify->command = cpu_to_le16(PEER_TYPE_STA << 1); |
| |
| switch (notify_event) { |
| case STA_CONNECTED: |
| peer_notify->command |= cpu_to_le16(RSI_ADD_PEER); |
| break; |
| case STA_DISCONNECTED: |
| peer_notify->command |= cpu_to_le16(RSI_DELETE_PEER); |
| break; |
| default: |
| break; |
| } |
| |
| peer_notify->command |= cpu_to_le16((aid & 0xfff) << 4); |
| ether_addr_copy(peer_notify->mac_addr, bssid); |
| peer_notify->mpdu_density = cpu_to_le16(RSI_MPDU_DENSITY); |
| peer_notify->sta_flags = cpu_to_le32((qos_enable) ? 1 : 0); |
| |
| rsi_set_len_qno(&peer_notify->desc.desc_dword0.len_qno, |
| (frame_len - FRAME_DESC_SZ), |
| RSI_WIFI_MGMT_Q); |
| peer_notify->desc.desc_dword0.frame_type = PEER_NOTIFY; |
| peer_notify->desc.desc_dword3.qid_tid = sta_id; |
| peer_notify->desc.desc_dword3.sta_id = vap_id; |
| |
| skb_put(skb, frame_len); |
| |
| status = rsi_send_internal_mgmt_frame(common, skb); |
| |
| if ((vif->type == NL80211_IFTYPE_STATION) && |
| (!status && qos_enable)) { |
| rsi_set_contention_vals(common); |
| status = rsi_load_radio_caps(common); |
| } |
| return status; |
| } |
| |
| /** |
| * rsi_send_aggregation_params_frame() - This function sends the ampdu |
| * indication frame to firmware. |
| * @common: Pointer to the driver private structure. |
| * @tid: traffic identifier. |
| * @ssn: ssn. |
| * @buf_size: buffer size. |
| * @event: notification about station connection. |
| * |
| * Return: 0 on success, corresponding negative error code on failure. |
| */ |
| int rsi_send_aggregation_params_frame(struct rsi_common *common, |
| u16 tid, |
| u16 ssn, |
| u8 buf_size, |
| u8 event, |
| u8 sta_id) |
| { |
| struct sk_buff *skb = NULL; |
| struct rsi_aggr_params *aggr_params; |
| u16 frame_len = sizeof(struct rsi_aggr_params); |
| |
| skb = dev_alloc_skb(frame_len); |
| |
| if (!skb) { |
| rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n", |
| __func__); |
| return -ENOMEM; |
| } |
| |
| memset(skb->data, 0, frame_len); |
| aggr_params = (struct rsi_aggr_params *)skb->data; |
| |
| rsi_dbg(MGMT_TX_ZONE, "%s: Sending AMPDU indication frame\n", __func__); |
| |
| rsi_set_len_qno(&aggr_params->desc_dword0.len_qno, 0, RSI_WIFI_MGMT_Q); |
| aggr_params->desc_dword0.frame_type = AMPDU_IND; |
| |
| aggr_params->aggr_params = tid & RSI_AGGR_PARAMS_TID_MASK; |
| aggr_params->peer_id = sta_id; |
| if (event == STA_TX_ADDBA_DONE) { |
| aggr_params->seq_start = cpu_to_le16(ssn); |
| aggr_params->baw_size = cpu_to_le16(buf_size); |
| aggr_params->aggr_params |= RSI_AGGR_PARAMS_START; |
| } else if (event == STA_RX_ADDBA_DONE) { |
| aggr_params->seq_start = cpu_to_le16(ssn); |
| aggr_params->aggr_params |= (RSI_AGGR_PARAMS_START | |
| RSI_AGGR_PARAMS_RX_AGGR); |
| } else if (event == STA_RX_DELBA) { |
| aggr_params->aggr_params |= RSI_AGGR_PARAMS_RX_AGGR; |
| } |
| |
| skb_put(skb, frame_len); |
| |
| return rsi_send_internal_mgmt_frame(common, skb); |
| } |
| |
| /** |
| * rsi_program_bb_rf() - This function starts base band and RF programming. |
| * This is called after initial configurations are done. |
| * @common: Pointer to the driver private structure. |
| * |
| * Return: 0 on success, corresponding negative error code on failure. |
| */ |
| static int rsi_program_bb_rf(struct rsi_common *common) |
| { |
| struct sk_buff *skb; |
| struct rsi_bb_rf_prog *bb_rf_prog; |
| u16 frame_len = sizeof(struct rsi_bb_rf_prog); |
| |
| rsi_dbg(MGMT_TX_ZONE, "%s: Sending program BB/RF frame\n", __func__); |
| |
| skb = dev_alloc_skb(frame_len); |
| if (!skb) { |
| rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n", |
| __func__); |
| return -ENOMEM; |
| } |
| |
| memset(skb->data, 0, frame_len); |
| bb_rf_prog = (struct rsi_bb_rf_prog *)skb->data; |
| |
| rsi_set_len_qno(&bb_rf_prog->desc_dword0.len_qno, 0, RSI_WIFI_MGMT_Q); |
| bb_rf_prog->desc_dword0.frame_type = BBP_PROG_IN_TA; |
| bb_rf_prog->endpoint = common->endpoint; |
| bb_rf_prog->rf_power_mode = common->wlan_rf_power_mode; |
| |
| if (common->rf_reset) { |
| bb_rf_prog->flags = cpu_to_le16(RF_RESET_ENABLE); |
| rsi_dbg(MGMT_TX_ZONE, "%s: ===> RF RESET REQUEST SENT <===\n", |
| __func__); |
| common->rf_reset = 0; |
| } |
| common->bb_rf_prog_count = 1; |
| bb_rf_prog->flags |= cpu_to_le16(PUT_BBP_RESET | BBP_REG_WRITE | |
| (RSI_RF_TYPE << 4)); |
| skb_put(skb, frame_len); |
| |
| return rsi_send_internal_mgmt_frame(common, skb); |
| } |
| |
| /** |
| * rsi_set_vap_capabilities() - This function send vap capability to firmware. |
| * @common: Pointer to the driver private structure. |
| * @opmode: Operating mode of device. |
| * |
| * Return: 0 on success, corresponding negative error code on failure. |
| */ |
| int rsi_set_vap_capabilities(struct rsi_common *common, |
| enum opmode mode, |
| u8 *mac_addr, |
| u8 vap_id, |
| u8 vap_status) |
| { |
| struct sk_buff *skb = NULL; |
| struct rsi_vap_caps *vap_caps; |
| struct rsi_hw *adapter = common->priv; |
| struct ieee80211_hw *hw = adapter->hw; |
| struct ieee80211_conf *conf = &hw->conf; |
| u16 frame_len = sizeof(struct rsi_vap_caps); |
| |
| rsi_dbg(MGMT_TX_ZONE, "%s: Sending VAP capabilities frame\n", __func__); |
| |
| skb = dev_alloc_skb(frame_len); |
| if (!skb) { |
| rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n", |
| __func__); |
| return -ENOMEM; |
| } |
| |
| memset(skb->data, 0, frame_len); |
| vap_caps = (struct rsi_vap_caps *)skb->data; |
| |
| rsi_set_len_qno(&vap_caps->desc_dword0.len_qno, |
| (frame_len - FRAME_DESC_SZ), RSI_WIFI_MGMT_Q); |
| vap_caps->desc_dword0.frame_type = VAP_CAPABILITIES; |
| vap_caps->status = vap_status; |
| vap_caps->vif_type = mode; |
| vap_caps->channel_bw = common->channel_width; |
| vap_caps->vap_id = vap_id; |
| vap_caps->radioid_macid = ((common->mac_id & 0xf) << 4) | |
| (common->radio_id & 0xf); |
| |
| memcpy(vap_caps->mac_addr, mac_addr, IEEE80211_ADDR_LEN); |
| vap_caps->keep_alive_period = cpu_to_le16(90); |
| vap_caps->frag_threshold = cpu_to_le16(IEEE80211_MAX_FRAG_THRESHOLD); |
| |
| vap_caps->rts_threshold = cpu_to_le16(common->rts_threshold); |
| |
| if (common->band == NL80211_BAND_5GHZ) { |
| vap_caps->default_ctrl_rate = cpu_to_le16(RSI_RATE_6); |
| vap_caps->default_mgmt_rate = cpu_to_le32(RSI_RATE_6); |
| } else { |
| vap_caps->default_ctrl_rate = cpu_to_le16(RSI_RATE_1); |
| vap_caps->default_mgmt_rate = cpu_to_le32(RSI_RATE_1); |
| } |
| if (conf_is_ht40(conf)) { |
| if (conf_is_ht40_minus(conf)) |
| vap_caps->ctrl_rate_flags = |
| cpu_to_le16(UPPER_20_ENABLE); |
| else if (conf_is_ht40_plus(conf)) |
| vap_caps->ctrl_rate_flags = |
| cpu_to_le16(LOWER_20_ENABLE); |
| else |
| vap_caps->ctrl_rate_flags = |
| cpu_to_le16(FULL40M_ENABLE); |
| } |
| |
| vap_caps->default_data_rate = 0; |
| vap_caps->beacon_interval = cpu_to_le16(common->beacon_interval); |
| vap_caps->dtim_period = cpu_to_le16(common->dtim_cnt); |
| |
| skb_put(skb, frame_len); |
| |
| return rsi_send_internal_mgmt_frame(common, skb); |
| } |
| |
| /** |
| * rsi_hal_load_key() - This function is used to load keys within the firmware. |
| * @common: Pointer to the driver private structure. |
| * @data: Pointer to the key data. |
| * @key_len: Key length to be loaded. |
| * @key_type: Type of key: GROUP/PAIRWISE. |
| * @key_id: Key index. |
| * @cipher: Type of cipher used. |
| * |
| * Return: 0 on success, -1 on failure. |
| */ |
| int rsi_hal_load_key(struct rsi_common *common, |
| u8 *data, |
| u16 key_len, |
| u8 key_type, |
| u8 key_id, |
| u32 cipher, |
| s16 sta_id, |
| struct ieee80211_vif *vif) |
| { |
| struct sk_buff *skb = NULL; |
| struct rsi_set_key *set_key; |
| u16 key_descriptor = 0; |
| u16 frame_len = sizeof(struct rsi_set_key); |
| |
| rsi_dbg(MGMT_TX_ZONE, "%s: Sending load key frame\n", __func__); |
| |
| skb = dev_alloc_skb(frame_len); |
| if (!skb) { |
| rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n", |
| __func__); |
| return -ENOMEM; |
| } |
| |
| memset(skb->data, 0, frame_len); |
| set_key = (struct rsi_set_key *)skb->data; |
| |
| if (key_type == RSI_GROUP_KEY) { |
| key_descriptor = RSI_KEY_TYPE_BROADCAST; |
| if (vif->type == NL80211_IFTYPE_AP) |
| key_descriptor |= RSI_KEY_MODE_AP; |
| } |
| if ((cipher == WLAN_CIPHER_SUITE_WEP40) || |
| (cipher == WLAN_CIPHER_SUITE_WEP104)) { |
| key_id = 0; |
| key_descriptor |= RSI_WEP_KEY; |
| if (key_len >= 13) |
| key_descriptor |= RSI_WEP_KEY_104; |
| } else if (cipher != KEY_TYPE_CLEAR) { |
| key_descriptor |= RSI_CIPHER_WPA; |
| if (cipher == WLAN_CIPHER_SUITE_TKIP) |
| key_descriptor |= RSI_CIPHER_TKIP; |
| } |
| key_descriptor |= RSI_PROTECT_DATA_FRAMES; |
| key_descriptor |= (key_id << RSI_KEY_ID_OFFSET); |
| |
| rsi_set_len_qno(&set_key->desc_dword0.len_qno, |
| (frame_len - FRAME_DESC_SZ), RSI_WIFI_MGMT_Q); |
| set_key->desc_dword0.frame_type = SET_KEY_REQ; |
| set_key->key_desc = cpu_to_le16(key_descriptor); |
| set_key->sta_id = sta_id; |
| |
| if (data) { |
| if ((cipher == WLAN_CIPHER_SUITE_WEP40) || |
| (cipher == WLAN_CIPHER_SUITE_WEP104)) { |
| memcpy(&set_key->key[key_id][1], data, key_len * 2); |
| } else { |
| memcpy(&set_key->key[0][0], data, key_len); |
| } |
| memcpy(set_key->tx_mic_key, &data[16], 8); |
| memcpy(set_key->rx_mic_key, &data[24], 8); |
| } else { |
| memset(&set_key[FRAME_DESC_SZ], 0, frame_len - FRAME_DESC_SZ); |
| } |
| |
| skb_put(skb, frame_len); |
| |
| return rsi_send_internal_mgmt_frame(common, skb); |
| } |
| |
| /* |
| * This function sends the common device configuration parameters to device. |
| * This frame includes the useful information to make device works on |
| * specific operating mode. |
| */ |
| static int rsi_send_common_dev_params(struct rsi_common *common) |
| { |
| struct sk_buff *skb; |
| u16 frame_len; |
| struct rsi_config_vals *dev_cfgs; |
| |
| frame_len = sizeof(struct rsi_config_vals); |
| |
| rsi_dbg(MGMT_TX_ZONE, "Sending common device config params\n"); |
| skb = dev_alloc_skb(frame_len); |
| if (!skb) { |
| rsi_dbg(ERR_ZONE, "%s: Unable to allocate skb\n", __func__); |
| return -ENOMEM; |
| } |
| |
| memset(skb->data, 0, frame_len); |
| |
| dev_cfgs = (struct rsi_config_vals *)skb->data; |
| memset(dev_cfgs, 0, (sizeof(struct rsi_config_vals))); |
| |
| rsi_set_len_qno(&dev_cfgs->len_qno, (frame_len - FRAME_DESC_SZ), |
| RSI_COEX_Q); |
| dev_cfgs->pkt_type = COMMON_DEV_CONFIG; |
| |
| dev_cfgs->lp_ps_handshake = common->lp_ps_handshake_mode; |
| dev_cfgs->ulp_ps_handshake = common->ulp_ps_handshake_mode; |
| |
| dev_cfgs->unused_ulp_gpio = RSI_UNUSED_ULP_GPIO_BITMAP; |
| dev_cfgs->unused_soc_gpio_bitmap = |
| cpu_to_le32(RSI_UNUSED_SOC_GPIO_BITMAP); |
| |
| dev_cfgs->opermode = common->oper_mode; |
| dev_cfgs->wlan_rf_pwr_mode = common->wlan_rf_power_mode; |
| dev_cfgs->driver_mode = common->driver_mode; |
| dev_cfgs->region_code = NL80211_DFS_FCC; |
| dev_cfgs->antenna_sel_val = common->obm_ant_sel_val; |
| |
| skb_put(skb, frame_len); |
| |
| return rsi_send_internal_mgmt_frame(common, skb); |
| } |
| |
| /* |
| * rsi_load_bootup_params() - This function send bootup params to the firmware. |
| * @common: Pointer to the driver private structure. |
| * |
| * Return: 0 on success, corresponding error code on failure. |
| */ |
| static int rsi_load_bootup_params(struct rsi_common *common) |
| { |
| struct sk_buff *skb; |
| struct rsi_boot_params *boot_params; |
| |
| rsi_dbg(MGMT_TX_ZONE, "%s: Sending boot params frame\n", __func__); |
| skb = dev_alloc_skb(sizeof(struct rsi_boot_params)); |
| if (!skb) { |
| rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n", |
| __func__); |
| return -ENOMEM; |
| } |
| |
| memset(skb->data, 0, sizeof(struct rsi_boot_params)); |
| boot_params = (struct rsi_boot_params *)skb->data; |
| |
| rsi_dbg(MGMT_TX_ZONE, "%s:\n", __func__); |
| |
| if (common->channel_width == BW_40MHZ) { |
| memcpy(&boot_params->bootup_params, |
| &boot_params_40, |
| sizeof(struct bootup_params)); |
| rsi_dbg(MGMT_TX_ZONE, "%s: Packet 40MHZ <=== %d\n", __func__, |
| UMAC_CLK_40BW); |
| boot_params->desc_word[7] = cpu_to_le16(UMAC_CLK_40BW); |
| } else { |
| memcpy(&boot_params->bootup_params, |
| &boot_params_20, |
| sizeof(struct bootup_params)); |
| if (boot_params_20.valid != cpu_to_le32(VALID_20)) { |
| boot_params->desc_word[7] = cpu_to_le16(UMAC_CLK_20BW); |
| rsi_dbg(MGMT_TX_ZONE, |
| "%s: Packet 20MHZ <=== %d\n", __func__, |
| UMAC_CLK_20BW); |
| } else { |
| boot_params->desc_word[7] = cpu_to_le16(UMAC_CLK_40MHZ); |
| rsi_dbg(MGMT_TX_ZONE, |
| "%s: Packet 20MHZ <=== %d\n", __func__, |
| UMAC_CLK_40MHZ); |
| } |
| } |
| |
| /** |
| * Bit{0:11} indicates length of the Packet |
| * Bit{12:15} indicates host queue number |
| */ |
| boot_params->desc_word[0] = cpu_to_le16(sizeof(struct bootup_params) | |
| (RSI_WIFI_MGMT_Q << 12)); |
| boot_params->desc_word[1] = cpu_to_le16(BOOTUP_PARAMS_REQUEST); |
| |
| skb_put(skb, sizeof(struct rsi_boot_params)); |
| |
| return rsi_send_internal_mgmt_frame(common, skb); |
| } |
| |
| /** |
| * rsi_send_reset_mac() - This function prepares reset MAC request and sends an |
| * internal management frame to indicate it to firmware. |
| * @common: Pointer to the driver private structure. |
| * |
| * Return: 0 on success, corresponding error code on failure. |
| */ |
| static int rsi_send_reset_mac(struct rsi_common *common) |
| { |
| struct sk_buff *skb; |
| struct rsi_mac_frame *mgmt_frame; |
| |
| rsi_dbg(MGMT_TX_ZONE, "%s: Sending reset MAC frame\n", __func__); |
| |
| skb = dev_alloc_skb(FRAME_DESC_SZ); |
| if (!skb) { |
| rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n", |
| __func__); |
| return -ENOMEM; |
| } |
| |
| memset(skb->data, 0, FRAME_DESC_SZ); |
| mgmt_frame = (struct rsi_mac_frame *)skb->data; |
| |
| mgmt_frame->desc_word[0] = cpu_to_le16(RSI_WIFI_MGMT_Q << 12); |
| mgmt_frame->desc_word[1] = cpu_to_le16(RESET_MAC_REQ); |
| mgmt_frame->desc_word[4] = cpu_to_le16(RETRY_COUNT << 8); |
| |
| skb_put(skb, FRAME_DESC_SZ); |
| |
| return rsi_send_internal_mgmt_frame(common, skb); |
| } |
| |
| /** |
| * rsi_band_check() - This function programs the band |
| * @common: Pointer to the driver private structure. |
| * |
| * Return: 0 on success, corresponding error code on failure. |
| */ |
| int rsi_band_check(struct rsi_common *common, |
| struct ieee80211_channel *curchan) |
| { |
| struct rsi_hw *adapter = common->priv; |
| struct ieee80211_hw *hw = adapter->hw; |
| u8 prev_bw = common->channel_width; |
| u8 prev_ep = common->endpoint; |
| int status = 0; |
| |
| if (common->band != curchan->band) { |
| common->rf_reset = 1; |
| common->band = curchan->band; |
| } |
| |
| if ((hw->conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) || |
| (hw->conf.chandef.width == NL80211_CHAN_WIDTH_20)) |
| common->channel_width = BW_20MHZ; |
| else |
| common->channel_width = BW_40MHZ; |
| |
| if (common->band == NL80211_BAND_2GHZ) { |
| if (common->channel_width) |
| common->endpoint = EP_2GHZ_40MHZ; |
| else |
| common->endpoint = EP_2GHZ_20MHZ; |
| } else { |
| if (common->channel_width) |
| common->endpoint = EP_5GHZ_40MHZ; |
| else |
| common->endpoint = EP_5GHZ_20MHZ; |
| } |
| |
| if (common->endpoint != prev_ep) { |
| status = rsi_program_bb_rf(common); |
| if (status) |
| return status; |
| } |
| |
| if (common->channel_width != prev_bw) { |
| status = rsi_load_bootup_params(common); |
| if (status) |
| return status; |
| |
| status = rsi_load_radio_caps(common); |
| if (status) |
| return status; |
| } |
| |
| return status; |
| } |
| |
| /** |
| * rsi_set_channel() - This function programs the channel. |
| * @common: Pointer to the driver private structure. |
| * @channel: Channel value to be set. |
| * |
| * Return: 0 on success, corresponding error code on failure. |
| */ |
| int rsi_set_channel(struct rsi_common *common, |
| struct ieee80211_channel *channel) |
| { |
| struct sk_buff *skb = NULL; |
| struct rsi_chan_config *chan_cfg; |
| u16 frame_len = sizeof(struct rsi_chan_config); |
| |
| rsi_dbg(MGMT_TX_ZONE, |
| "%s: Sending scan req frame\n", __func__); |
| |
| skb = dev_alloc_skb(frame_len); |
| if (!skb) { |
| rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n", |
| __func__); |
| return -ENOMEM; |
| } |
| |
| if (!channel) { |
| dev_kfree_skb(skb); |
| return 0; |
| } |
| memset(skb->data, 0, frame_len); |
| chan_cfg = (struct rsi_chan_config *)skb->data; |
| |
| rsi_set_len_qno(&chan_cfg->desc_dword0.len_qno, 0, RSI_WIFI_MGMT_Q); |
| chan_cfg->desc_dword0.frame_type = SCAN_REQUEST; |
| chan_cfg->channel_number = channel->hw_value; |
| chan_cfg->antenna_gain_offset_2g = channel->max_antenna_gain; |
| chan_cfg->antenna_gain_offset_5g = channel->max_antenna_gain; |
| chan_cfg->region_rftype = (RSI_RF_TYPE & 0xf) << 4; |
| |
| if ((channel->flags & IEEE80211_CHAN_NO_IR) || |
| (channel->flags & IEEE80211_CHAN_RADAR)) { |
| chan_cfg->antenna_gain_offset_2g |= RSI_CHAN_RADAR; |
| } else { |
| if (common->tx_power < channel->max_power) |
| chan_cfg->tx_power = cpu_to_le16(common->tx_power); |
| else |
| chan_cfg->tx_power = cpu_to_le16(channel->max_power); |
| } |
| chan_cfg->region_rftype |= (common->priv->dfs_region & 0xf); |
| |
| if (common->channel_width == BW_40MHZ) |
| chan_cfg->channel_width = 0x1; |
| |
| common->channel = channel->hw_value; |
| |
| skb_put(skb, frame_len); |
| |
| return rsi_send_internal_mgmt_frame(common, skb); |
| } |
| |
| /** |
| * rsi_send_radio_params_update() - This function sends the radio |
| * parameters update to device |
| * @common: Pointer to the driver private structure. |
| * @channel: Channel value to be set. |
| * |
| * Return: 0 on success, corresponding error code on failure. |
| */ |
| int rsi_send_radio_params_update(struct rsi_common *common) |
| { |
| struct rsi_mac_frame *cmd_frame; |
| struct sk_buff *skb = NULL; |
| |
| rsi_dbg(MGMT_TX_ZONE, |
| "%s: Sending Radio Params update frame\n", __func__); |
| |
| skb = dev_alloc_skb(FRAME_DESC_SZ); |
| if (!skb) { |
| rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n", |
| __func__); |
| return -ENOMEM; |
| } |
| |
| memset(skb->data, 0, FRAME_DESC_SZ); |
| cmd_frame = (struct rsi_mac_frame *)skb->data; |
| |
| cmd_frame->desc_word[0] = cpu_to_le16(RSI_WIFI_MGMT_Q << 12); |
| cmd_frame->desc_word[1] = cpu_to_le16(RADIO_PARAMS_UPDATE); |
| cmd_frame->desc_word[3] = cpu_to_le16(BIT(0)); |
| |
| cmd_frame->desc_word[3] |= cpu_to_le16(common->tx_power << 8); |
| |
| skb_put(skb, FRAME_DESC_SZ); |
| |
| return rsi_send_internal_mgmt_frame(common, skb); |
| } |
| |
| /* This function programs the threshold. */ |
| int rsi_send_vap_dynamic_update(struct rsi_common *common) |
| { |
| struct sk_buff *skb; |
| struct rsi_dynamic_s *dynamic_frame; |
| |
| rsi_dbg(MGMT_TX_ZONE, |
| "%s: Sending vap update indication frame\n", __func__); |
| |
| skb = dev_alloc_skb(sizeof(struct rsi_dynamic_s)); |
| if (!skb) |
| return -ENOMEM; |
| |
| memset(skb->data, 0, sizeof(struct rsi_dynamic_s)); |
| dynamic_frame = (struct rsi_dynamic_s *)skb->data; |
| rsi_set_len_qno(&dynamic_frame->desc_dword0.len_qno, |
| sizeof(dynamic_frame->frame_body), RSI_WIFI_MGMT_Q); |
| |
| dynamic_frame->desc_dword0.frame_type = VAP_DYNAMIC_UPDATE; |
| dynamic_frame->desc_dword2.pkt_info = |
| cpu_to_le32(common->rts_threshold); |
| |
| if (common->wow_flags & RSI_WOW_ENABLED) { |
| /* Beacon miss threshold */ |
| dynamic_frame->desc_dword3.token = |
| cpu_to_le16(RSI_BCN_MISS_THRESHOLD); |
| dynamic_frame->frame_body.keep_alive_period = |
| cpu_to_le16(RSI_WOW_KEEPALIVE); |
| } else { |
| dynamic_frame->frame_body.keep_alive_period = |
| cpu_to_le16(RSI_DEF_KEEPALIVE); |
| } |
| |
| dynamic_frame->desc_dword3.sta_id = 0; /* vap id */ |
| |
| skb_put(skb, sizeof(struct rsi_dynamic_s)); |
| |
| return rsi_send_internal_mgmt_frame(common, skb); |
| } |
| |
| /** |
| * rsi_compare() - This function is used to compare two integers |
| * @a: pointer to the first integer |
| * @b: pointer to the second integer |
| * |
| * Return: 0 if both are equal, -1 if the first is smaller, else 1 |
| */ |
| static int rsi_compare(const void *a, const void *b) |
| { |
| u16 _a = *(const u16 *)(a); |
| u16 _b = *(const u16 *)(b); |
| |
| if (_a > _b) |
| return -1; |
| |
| if (_a < _b) |
| return 1; |
| |
| return 0; |
| } |
| |
| /** |
| * rsi_map_rates() - This function is used to map selected rates to hw rates. |
| * @rate: The standard rate to be mapped. |
| * @offset: Offset that will be returned. |
| * |
| * Return: 0 if it is a mcs rate, else 1 |
| */ |
| static bool rsi_map_rates(u16 rate, int *offset) |
| { |
| int kk; |
| for (kk = 0; kk < ARRAY_SIZE(rsi_mcsrates); kk++) { |
| if (rate == mcs[kk]) { |
| *offset = kk; |
| return false; |
| } |
| } |
| |
| for (kk = 0; kk < ARRAY_SIZE(rsi_rates); kk++) { |
| if (rate == rsi_rates[kk].bitrate / 5) { |
| *offset = kk; |
| break; |
| } |
| } |
| return true; |
| } |
| |
| /** |
| * rsi_send_auto_rate_request() - This function is to set rates for connection |
| * and send autorate request to firmware. |
| * @common: Pointer to the driver private structure. |
| * |
| * Return: 0 on success, corresponding error code on failure. |
| */ |
| static int rsi_send_auto_rate_request(struct rsi_common *common, |
| struct ieee80211_sta *sta, |
| u16 sta_id, |
| struct ieee80211_vif *vif) |
| { |
| struct sk_buff *skb; |
| struct rsi_auto_rate *auto_rate; |
| int ii = 0, jj = 0, kk = 0; |
| struct ieee80211_hw *hw = common->priv->hw; |
| u8 band = hw->conf.chandef.chan->band; |
| u8 num_supported_rates = 0; |
| u8 rate_table_offset, rate_offset = 0; |
| u32 rate_bitmap; |
| u16 *selected_rates, min_rate; |
| bool is_ht = false, is_sgi = false; |
| u16 frame_len = sizeof(struct rsi_auto_rate); |
| |
| rsi_dbg(MGMT_TX_ZONE, |
| "%s: Sending auto rate request frame\n", __func__); |
| |
| skb = dev_alloc_skb(frame_len); |
| if (!skb) { |
| rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n", |
| __func__); |
| return -ENOMEM; |
| } |
| |
| memset(skb->data, 0, frame_len); |
| selected_rates = kzalloc(2 * RSI_TBL_SZ, GFP_KERNEL); |
| if (!selected_rates) { |
| rsi_dbg(ERR_ZONE, "%s: Failed in allocation of mem\n", |
| __func__); |
| dev_kfree_skb(skb); |
| return -ENOMEM; |
| } |
| |
| auto_rate = (struct rsi_auto_rate *)skb->data; |
| |
| auto_rate->aarf_rssi = cpu_to_le16(((u16)3 << 6) | (u16)(18 & 0x3f)); |
| auto_rate->collision_tolerance = cpu_to_le16(3); |
| auto_rate->failure_limit = cpu_to_le16(3); |
| auto_rate->initial_boundary = cpu_to_le16(3); |
| auto_rate->max_threshold_limt = cpu_to_le16(27); |
| |
| auto_rate->desc.desc_dword0.frame_type = AUTO_RATE_IND; |
| |
| if (common->channel_width == BW_40MHZ) |
| auto_rate->desc.desc_dword3.qid_tid = BW_40MHZ; |
| auto_rate->desc.desc_dword3.sta_id = sta_id; |
| |
| if (vif->type == NL80211_IFTYPE_STATION) { |
| rate_bitmap = common->bitrate_mask[band]; |
| is_ht = common->vif_info[0].is_ht; |
| is_sgi = common->vif_info[0].sgi; |
| } else { |
| rate_bitmap = sta->supp_rates[band]; |
| is_ht = sta->ht_cap.ht_supported; |
| if ((sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20) || |
| (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)) |
| is_sgi = true; |
| } |
| |
| if (band == NL80211_BAND_2GHZ) { |
| if ((rate_bitmap == 0) && (is_ht)) |
| min_rate = RSI_RATE_MCS0; |
| else |
| min_rate = RSI_RATE_1; |
| rate_table_offset = 0; |
| } else { |
| if ((rate_bitmap == 0) && (is_ht)) |
| min_rate = RSI_RATE_MCS0; |
| else |
| min_rate = RSI_RATE_6; |
| rate_table_offset = 4; |
| } |
| |
| for (ii = 0, jj = 0; |
| ii < (ARRAY_SIZE(rsi_rates) - rate_table_offset); ii++) { |
| if (rate_bitmap & BIT(ii)) { |
| selected_rates[jj++] = |
| (rsi_rates[ii + rate_table_offset].bitrate / 5); |
| rate_offset++; |
| } |
| } |
| num_supported_rates = jj; |
| |
| if (is_ht) { |
| for (ii = 0; ii < ARRAY_SIZE(mcs); ii++) |
| selected_rates[jj++] = mcs[ii]; |
| num_supported_rates += ARRAY_SIZE(mcs); |
| rate_offset += ARRAY_SIZE(mcs); |
| } |
| |
| sort(selected_rates, jj, sizeof(u16), &rsi_compare, NULL); |
| |
| /* mapping the rates to RSI rates */ |
| for (ii = 0; ii < jj; ii++) { |
| if (rsi_map_rates(selected_rates[ii], &kk)) { |
| auto_rate->supported_rates[ii] = |
| cpu_to_le16(rsi_rates[kk].hw_value); |
| } else { |
| auto_rate->supported_rates[ii] = |
| cpu_to_le16(rsi_mcsrates[kk]); |
| } |
| } |
| |
| /* loading HT rates in the bottom half of the auto rate table */ |
| if (is_ht) { |
| for (ii = rate_offset, kk = ARRAY_SIZE(rsi_mcsrates) - 1; |
| ii < rate_offset + 2 * ARRAY_SIZE(rsi_mcsrates); ii++) { |
| if (is_sgi || conf_is_ht40(&common->priv->hw->conf)) |
| auto_rate->supported_rates[ii++] = |
| cpu_to_le16(rsi_mcsrates[kk] | BIT(9)); |
| else |
| auto_rate->supported_rates[ii++] = |
| cpu_to_le16(rsi_mcsrates[kk]); |
| auto_rate->supported_rates[ii] = |
| cpu_to_le16(rsi_mcsrates[kk--]); |
| } |
| |
| for (; ii < (RSI_TBL_SZ - 1); ii++) { |
| auto_rate->supported_rates[ii] = |
| cpu_to_le16(rsi_mcsrates[0]); |
| } |
| } |
| |
| for (; ii < RSI_TBL_SZ; ii++) |
| auto_rate->supported_rates[ii] = cpu_to_le16(min_rate); |
| |
| auto_rate->num_supported_rates = cpu_to_le16(num_supported_rates * 2); |
| auto_rate->moderate_rate_inx = cpu_to_le16(num_supported_rates / 2); |
| num_supported_rates *= 2; |
| |
| rsi_set_len_qno(&auto_rate->desc.desc_dword0.len_qno, |
| (frame_len - FRAME_DESC_SZ), RSI_WIFI_MGMT_Q); |
| |
| skb_put(skb, frame_len); |
| kfree(selected_rates); |
| |
| return rsi_send_internal_mgmt_frame(common, skb); |
| } |
| |
| /** |
| * rsi_inform_bss_status() - This function informs about bss status with the |
| * help of sta notify params by sending an internal |
| * management frame to firmware. |
| * @common: Pointer to the driver private structure. |
| * @status: Bss status type. |
| * @bssid: Bssid. |
| * @qos_enable: Qos is enabled. |
| * @aid: Aid (unique for all STAs). |
| * |
| * Return: None. |
| */ |
| void rsi_inform_bss_status(struct rsi_common *common, |
| enum opmode opmode, |
| u8 status, |
| const u8 *addr, |
| u8 qos_enable, |
| u16 aid, |
| struct ieee80211_sta *sta, |
| u16 sta_id, |
| u16 assoc_cap, |
| struct ieee80211_vif *vif) |
| { |
| if (status) { |
| if (opmode == RSI_OPMODE_STA) |
| common->hw_data_qs_blocked = true; |
| rsi_hal_send_sta_notify_frame(common, |
| opmode, |
| STA_CONNECTED, |
| addr, |
| qos_enable, |
| aid, sta_id, |
| vif); |
| if (common->min_rate == 0xffff) |
| rsi_send_auto_rate_request(common, sta, sta_id, vif); |
| if (opmode == RSI_OPMODE_STA && |
| !(assoc_cap & WLAN_CAPABILITY_PRIVACY) && |
| !rsi_send_block_unblock_frame(common, false)) |
| common->hw_data_qs_blocked = false; |
| } else { |
| if (opmode == RSI_OPMODE_STA) |
| common->hw_data_qs_blocked = true; |
| |
| if (!(common->wow_flags & RSI_WOW_ENABLED)) |
| rsi_hal_send_sta_notify_frame(common, opmode, |
| STA_DISCONNECTED, addr, |
| qos_enable, aid, sta_id, |
| vif); |
| if (opmode == RSI_OPMODE_STA) |
| rsi_send_block_unblock_frame(common, true); |
| } |
| } |
| |
| /** |
| * rsi_eeprom_read() - This function sends a frame to read the mac address |
| * from the eeprom. |
| * @common: Pointer to the driver private structure. |
| * |
| * Return: 0 on success, -1 on failure. |
| */ |
| static int rsi_eeprom_read(struct rsi_common *common) |
| { |
| struct rsi_eeprom_read_frame *mgmt_frame; |
| struct rsi_hw *adapter = common->priv; |
| struct sk_buff *skb; |
| |
| rsi_dbg(MGMT_TX_ZONE, "%s: Sending EEPROM read req frame\n", __func__); |
| |
| skb = dev_alloc_skb(FRAME_DESC_SZ); |
| if (!skb) { |
| rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n", |
| __func__); |
| return -ENOMEM; |
| } |
| |
| memset(skb->data, 0, FRAME_DESC_SZ); |
| mgmt_frame = (struct rsi_eeprom_read_frame *)skb->data; |
| |
| /* FrameType */ |
| rsi_set_len_qno(&mgmt_frame->len_qno, 0, RSI_WIFI_MGMT_Q); |
| mgmt_frame->pkt_type = EEPROM_READ; |
| |
| /* Number of bytes to read */ |
| mgmt_frame->pkt_info = |
| cpu_to_le32((adapter->eeprom.length << RSI_EEPROM_LEN_OFFSET) & |
| RSI_EEPROM_LEN_MASK); |
| mgmt_frame->pkt_info |= cpu_to_le32((3 << RSI_EEPROM_HDR_SIZE_OFFSET) & |
| RSI_EEPROM_HDR_SIZE_MASK); |
| |
| /* Address to read */ |
| mgmt_frame->eeprom_offset = cpu_to_le32(adapter->eeprom.offset); |
| |
| skb_put(skb, FRAME_DESC_SZ); |
| |
| return rsi_send_internal_mgmt_frame(common, skb); |
| } |
| |
| /** |
| * This function sends a frame to block/unblock |
| * data queues in the firmware |
| * |
| * @param common Pointer to the driver private structure. |
| * @param block event - block if true, unblock if false |
| * @return 0 on success, -1 on failure. |
| */ |
| int rsi_send_block_unblock_frame(struct rsi_common *common, bool block_event) |
| { |
| struct rsi_block_unblock_data *mgmt_frame; |
| struct sk_buff *skb; |
| |
| rsi_dbg(MGMT_TX_ZONE, "%s: Sending block/unblock frame\n", __func__); |
| |
| skb = dev_alloc_skb(FRAME_DESC_SZ); |
| if (!skb) { |
| rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n", |
| __func__); |
| return -ENOMEM; |
| } |
| |
| memset(skb->data, 0, FRAME_DESC_SZ); |
| mgmt_frame = (struct rsi_block_unblock_data *)skb->data; |
| |
| rsi_set_len_qno(&mgmt_frame->desc_dword0.len_qno, 0, RSI_WIFI_MGMT_Q); |
| mgmt_frame->desc_dword0.frame_type = BLOCK_HW_QUEUE; |
| mgmt_frame->host_quiet_info = QUIET_INFO_VALID; |
| |
| if (block_event) { |
| rsi_dbg(INFO_ZONE, "blocking the data qs\n"); |
| mgmt_frame->block_q_bitmap = cpu_to_le16(0xf); |
| mgmt_frame->block_q_bitmap |= cpu_to_le16(0xf << 4); |
| } else { |
| rsi_dbg(INFO_ZONE, "unblocking the data qs\n"); |
| mgmt_frame->unblock_q_bitmap = cpu_to_le16(0xf); |
| mgmt_frame->unblock_q_bitmap |= cpu_to_le16(0xf << 4); |
| } |
| |
| skb_put(skb, FRAME_DESC_SZ); |
| |
| return rsi_send_internal_mgmt_frame(common, skb); |
| } |
| |
| /** |
| * rsi_send_rx_filter_frame() - Sends a frame to filter the RX packets |
| * |
| * @common: Pointer to the driver private structure. |
| * @rx_filter_word: Flags of filter packets |
| * |
| * @Return: 0 on success, -1 on failure. |
| */ |
| int rsi_send_rx_filter_frame(struct rsi_common *common, u16 rx_filter_word) |
| { |
| struct rsi_mac_frame *cmd_frame; |
| struct sk_buff *skb; |
| |
| rsi_dbg(MGMT_TX_ZONE, "Sending RX filter frame\n"); |
| |
| skb = dev_alloc_skb(FRAME_DESC_SZ); |
| if (!skb) { |
| rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n", |
| __func__); |
| return -ENOMEM; |
| } |
| |
| memset(skb->data, 0, FRAME_DESC_SZ); |
| cmd_frame = (struct rsi_mac_frame *)skb->data; |
| |
| cmd_frame->desc_word[0] = cpu_to_le16(RSI_WIFI_MGMT_Q << 12); |
| cmd_frame->desc_word[1] = cpu_to_le16(SET_RX_FILTER); |
| cmd_frame->desc_word[4] = cpu_to_le16(rx_filter_word); |
| |
| skb_put(skb, FRAME_DESC_SZ); |
| |
| return rsi_send_internal_mgmt_frame(common, skb); |
| } |
| |
| int rsi_send_ps_request(struct rsi_hw *adapter, bool enable, |
| struct ieee80211_vif *vif) |
| { |
| struct rsi_common *common = adapter->priv; |
| struct ieee80211_bss_conf *bss = &vif->bss_conf; |
| struct rsi_request_ps *ps; |
| struct rsi_ps_info *ps_info; |
| struct sk_buff *skb; |
| int frame_len = sizeof(*ps); |
| |
| skb = dev_alloc_skb(frame_len); |
| if (!skb) |
| return -ENOMEM; |
| memset(skb->data, 0, frame_len); |
| |
| ps = (struct rsi_request_ps *)skb->data; |
| ps_info = &adapter->ps_info; |
| |
| rsi_set_len_qno(&ps->desc.desc_dword0.len_qno, |
| (frame_len - FRAME_DESC_SZ), RSI_WIFI_MGMT_Q); |
| ps->desc.desc_dword0.frame_type = WAKEUP_SLEEP_REQUEST; |
| if (enable) { |
| ps->ps_sleep.enable = RSI_PS_ENABLE; |
| ps->desc.desc_dword3.token = cpu_to_le16(RSI_SLEEP_REQUEST); |
| } else { |
| ps->ps_sleep.enable = RSI_PS_DISABLE; |
| ps->desc.desc_dword0.len_qno |= cpu_to_le16(RSI_PS_DISABLE_IND); |
| ps->desc.desc_dword3.token = cpu_to_le16(RSI_WAKEUP_REQUEST); |
| } |
| |
| ps->ps_uapsd_acs = common->uapsd_bitmap; |
| |
| ps->ps_sleep.sleep_type = ps_info->sleep_type; |
| ps->ps_sleep.num_bcns_per_lis_int = |
| cpu_to_le16(ps_info->num_bcns_per_lis_int); |
| ps->ps_sleep.sleep_duration = |
| cpu_to_le32(ps_info->deep_sleep_wakeup_period); |
| |
| if (bss->assoc) |
| ps->ps_sleep.connected_sleep = RSI_CONNECTED_SLEEP; |
| else |
| ps->ps_sleep.connected_sleep = RSI_DEEP_SLEEP; |
| |
| ps->ps_listen_interval = cpu_to_le32(ps_info->listen_interval); |
| ps->ps_dtim_interval_duration = |
| cpu_to_le32(ps_info->dtim_interval_duration); |
| |
| if (ps_info->listen_interval > ps_info->dtim_interval_duration) |
| ps->ps_listen_interval = cpu_to_le32(RSI_PS_DISABLE); |
| |
| ps->ps_num_dtim_intervals = cpu_to_le16(ps_info->num_dtims_per_sleep); |
| skb_put(skb, frame_len); |
| |
| return rsi_send_internal_mgmt_frame(common, skb); |
| } |
| |
| /** |
| * rsi_set_antenna() - This function send antenna configuration request |
| * to device |
| * |
| * @common: Pointer to the driver private structure. |
| * @antenna: bitmap for tx antenna selection |
| * |
| * Return: 0 on Success, negative error code on failure |
| */ |
| int rsi_set_antenna(struct rsi_common *common, u8 antenna) |
| { |
| struct rsi_ant_sel_frame *ant_sel_frame; |
| struct sk_buff *skb; |
| |
| skb = dev_alloc_skb(FRAME_DESC_SZ); |
| if (!skb) { |
| rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n", |
| __func__); |
| return -ENOMEM; |
| } |
| |
| memset(skb->data, 0, FRAME_DESC_SZ); |
| |
| ant_sel_frame = (struct rsi_ant_sel_frame *)skb->data; |
| ant_sel_frame->desc_dword0.frame_type = ANT_SEL_FRAME; |
| ant_sel_frame->sub_frame_type = ANTENNA_SEL_TYPE; |
| ant_sel_frame->ant_value = cpu_to_le16(antenna & ANTENNA_MASK_VALUE); |
| rsi_set_len_qno(&ant_sel_frame->desc_dword0.len_qno, |
| 0, RSI_WIFI_MGMT_Q); |
| skb_put(skb, FRAME_DESC_SZ); |
| |
| return rsi_send_internal_mgmt_frame(common, skb); |
| } |
| |
| static int rsi_send_beacon(struct rsi_common *common) |
| { |
| struct sk_buff *skb = NULL; |
| u8 dword_align_bytes = 0; |
| |
| skb = dev_alloc_skb(MAX_MGMT_PKT_SIZE); |
| if (!skb) |
| return -ENOMEM; |
| |
| memset(skb->data, 0, MAX_MGMT_PKT_SIZE); |
| |
| dword_align_bytes = ((unsigned long)skb->data & 0x3f); |
| if (dword_align_bytes) |
| skb_pull(skb, (64 - dword_align_bytes)); |
| if (rsi_prepare_beacon(common, skb)) { |
| rsi_dbg(ERR_ZONE, "Failed to prepare beacon\n"); |
| return -EINVAL; |
| } |
| skb_queue_tail(&common->tx_queue[MGMT_BEACON_Q], skb); |
| rsi_set_event(&common->tx_thread.event); |
| rsi_dbg(DATA_TX_ZONE, "%s: Added to beacon queue\n", __func__); |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_PM |
| int rsi_send_wowlan_request(struct rsi_common *common, u16 flags, |
| u16 sleep_status) |
| { |
| struct rsi_wowlan_req *cmd_frame; |
| struct sk_buff *skb; |
| u8 length; |
| |
| rsi_dbg(ERR_ZONE, "%s: Sending wowlan request frame\n", __func__); |
| |
| length = sizeof(*cmd_frame); |
| skb = dev_alloc_skb(length); |
| if (!skb) |
| return -ENOMEM; |
| memset(skb->data, 0, length); |
| cmd_frame = (struct rsi_wowlan_req *)skb->data; |
| |
| rsi_set_len_qno(&cmd_frame->desc.desc_dword0.len_qno, |
| (length - FRAME_DESC_SZ), |
| RSI_WIFI_MGMT_Q); |
| cmd_frame->desc.desc_dword0.frame_type = WOWLAN_CONFIG_PARAMS; |
| cmd_frame->host_sleep_status = sleep_status; |
| if (common->secinfo.security_enable && |
| common->secinfo.gtk_cipher) |
| flags |= RSI_WOW_GTK_REKEY; |
| if (sleep_status) |
| cmd_frame->wow_flags = flags; |
| rsi_dbg(INFO_ZONE, "Host_Sleep_Status : %d Flags : %d\n", |
| cmd_frame->host_sleep_status, cmd_frame->wow_flags); |
| |
| skb_put(skb, length); |
| |
| return rsi_send_internal_mgmt_frame(common, skb); |
| } |
| #endif |
| |
| int rsi_send_bgscan_params(struct rsi_common *common, int enable) |
| { |
| struct rsi_bgscan_params *params = &common->bgscan; |
| struct cfg80211_scan_request *scan_req = common->hwscan; |
| struct rsi_bgscan_config *bgscan; |
| struct sk_buff *skb; |
| u16 frame_len = sizeof(*bgscan); |
| u8 i; |
| |
| rsi_dbg(MGMT_TX_ZONE, "%s: Sending bgscan params frame\n", __func__); |
| |
| skb = dev_alloc_skb(frame_len); |
| if (!skb) |
| return -ENOMEM; |
| memset(skb->data, 0, frame_len); |
| |
| bgscan = (struct rsi_bgscan_config *)skb->data; |
| rsi_set_len_qno(&bgscan->desc_dword0.len_qno, |
| (frame_len - FRAME_DESC_SZ), RSI_WIFI_MGMT_Q); |
| bgscan->desc_dword0.frame_type = BG_SCAN_PARAMS; |
| bgscan->bgscan_threshold = cpu_to_le16(params->bgscan_threshold); |
| bgscan->roam_threshold = cpu_to_le16(params->roam_threshold); |
| if (enable) |
| bgscan->bgscan_periodicity = |
| cpu_to_le16(params->bgscan_periodicity); |
| bgscan->active_scan_duration = |
| cpu_to_le16(params->active_scan_duration); |
| bgscan->passive_scan_duration = |
| cpu_to_le16(params->passive_scan_duration); |
| bgscan->two_probe = params->two_probe; |
| |
| bgscan->num_bgscan_channels = scan_req->n_channels; |
| for (i = 0; i < bgscan->num_bgscan_channels; i++) |
| bgscan->channels2scan[i] = |
| cpu_to_le16(scan_req->channels[i]->hw_value); |
| |
| skb_put(skb, frame_len); |
| |
| return rsi_send_internal_mgmt_frame(common, skb); |
| } |
| |
| /* This function sends the probe request to be used by firmware in |
| * background scan |
| */ |
| int rsi_send_bgscan_probe_req(struct rsi_common *common, |
| struct ieee80211_vif *vif) |
| { |
| struct cfg80211_scan_request *scan_req = common->hwscan; |
| struct rsi_bgscan_probe *bgscan; |
| struct sk_buff *skb; |
| struct sk_buff *probereq_skb; |
| u16 frame_len = sizeof(*bgscan); |
| size_t ssid_len = 0; |
| u8 *ssid = NULL; |
| |
| rsi_dbg(MGMT_TX_ZONE, |
| "%s: Sending bgscan probe req frame\n", __func__); |
| |
| if (common->priv->sc_nvifs <= 0) |
| return -ENODEV; |
| |
| if (scan_req->n_ssids) { |
| ssid = scan_req->ssids[0].ssid; |
| ssid_len = scan_req->ssids[0].ssid_len; |
| } |
| |
| skb = dev_alloc_skb(frame_len + MAX_BGSCAN_PROBE_REQ_LEN); |
| if (!skb) |
| return -ENOMEM; |
| memset(skb->data, 0, frame_len + MAX_BGSCAN_PROBE_REQ_LEN); |
| |
| bgscan = (struct rsi_bgscan_probe *)skb->data; |
| bgscan->desc_dword0.frame_type = BG_SCAN_PROBE_REQ; |
| bgscan->flags = cpu_to_le16(HOST_BG_SCAN_TRIG); |
| if (common->band == NL80211_BAND_5GHZ) { |
| bgscan->mgmt_rate = cpu_to_le16(RSI_RATE_6); |
| bgscan->def_chan = cpu_to_le16(40); |
| } else { |
| bgscan->mgmt_rate = cpu_to_le16(RSI_RATE_1); |
| bgscan->def_chan = cpu_to_le16(11); |
| } |
| bgscan->channel_scan_time = cpu_to_le16(RSI_CHANNEL_SCAN_TIME); |
| |
| probereq_skb = ieee80211_probereq_get(common->priv->hw, vif->addr, ssid, |
| ssid_len, scan_req->ie_len); |
| if (!probereq_skb) { |
| dev_kfree_skb(skb); |
| return -ENOMEM; |
| } |
| |
| memcpy(&skb->data[frame_len], probereq_skb->data, probereq_skb->len); |
| |
| bgscan->probe_req_length = cpu_to_le16(probereq_skb->len); |
| |
| rsi_set_len_qno(&bgscan->desc_dword0.len_qno, |
| (frame_len - FRAME_DESC_SZ + probereq_skb->len), |
| RSI_WIFI_MGMT_Q); |
| |
| skb_put(skb, frame_len + probereq_skb->len); |
| |
| dev_kfree_skb(probereq_skb); |
| |
| return rsi_send_internal_mgmt_frame(common, skb); |
| } |
| |
| /** |
| * rsi_handle_ta_confirm_type() - This function handles the confirm frames. |
| * @common: Pointer to the driver private structure. |
| * @msg: Pointer to received packet. |
| * |
| * Return: 0 on success, -1 on failure. |
| */ |
| static int rsi_handle_ta_confirm_type(struct rsi_common *common, |
| u8 *msg) |
| { |
| struct rsi_hw *adapter = common->priv; |
| u8 sub_type = (msg[15] & 0xff); |
| u16 msg_len = ((u16 *)msg)[0] & 0xfff; |
| u8 offset; |
| |
| switch (sub_type) { |
| case BOOTUP_PARAMS_REQUEST: |
| rsi_dbg(FSM_ZONE, "%s: Boot up params confirm received\n", |
| __func__); |
| if (common->fsm_state == FSM_BOOT_PARAMS_SENT) { |
| adapter->eeprom.length = (IEEE80211_ADDR_LEN + |
| WLAN_MAC_MAGIC_WORD_LEN + |
| WLAN_HOST_MODE_LEN); |
| adapter->eeprom.offset = WLAN_MAC_EEPROM_ADDR; |
| if (rsi_eeprom_read(common)) { |
| common->fsm_state = FSM_CARD_NOT_READY; |
| goto out; |
| } |
| common->fsm_state = FSM_EEPROM_READ_MAC_ADDR; |
| } else { |
| rsi_dbg(INFO_ZONE, |
| "%s: Received bootup params cfm in %d state\n", |
| __func__, common->fsm_state); |
| return 0; |
| } |
| break; |
| |
| case EEPROM_READ: |
| rsi_dbg(FSM_ZONE, "EEPROM READ confirm received\n"); |
| if (msg_len <= 0) { |
| rsi_dbg(FSM_ZONE, |
| "%s: [EEPROM_READ] Invalid len %d\n", |
| __func__, msg_len); |
| goto out; |
| } |
| if (msg[16] != MAGIC_WORD) { |
| rsi_dbg(FSM_ZONE, |
| "%s: [EEPROM_READ] Invalid token\n", __func__); |
| common->fsm_state = FSM_CARD_NOT_READY; |
| goto out; |
| } |
| if (common->fsm_state == FSM_EEPROM_READ_MAC_ADDR) { |
| offset = (FRAME_DESC_SZ + WLAN_HOST_MODE_LEN + |
| WLAN_MAC_MAGIC_WORD_LEN); |
| memcpy(common->mac_addr, &msg[offset], ETH_ALEN); |
| adapter->eeprom.length = |
| ((WLAN_MAC_MAGIC_WORD_LEN + 3) & (~3)); |
| adapter->eeprom.offset = WLAN_EEPROM_RFTYPE_ADDR; |
| if (rsi_eeprom_read(common)) { |
| rsi_dbg(ERR_ZONE, |
| "%s: Failed reading RF band\n", |
| __func__); |
| common->fsm_state = FSM_CARD_NOT_READY; |
| goto out; |
| } |
| common->fsm_state = FSM_EEPROM_READ_RF_TYPE; |
| } else if (common->fsm_state == FSM_EEPROM_READ_RF_TYPE) { |
| if ((msg[17] & 0x3) == 0x3) { |
| rsi_dbg(INIT_ZONE, "Dual band supported\n"); |
| common->band = NL80211_BAND_5GHZ; |
| common->num_supp_bands = 2; |
| } else if ((msg[17] & 0x3) == 0x1) { |
| rsi_dbg(INIT_ZONE, |
| "Only 2.4Ghz band supported\n"); |
| common->band = NL80211_BAND_2GHZ; |
| common->num_supp_bands = 1; |
| } |
| if (rsi_send_reset_mac(common)) |
| goto out; |
| common->fsm_state = FSM_RESET_MAC_SENT; |
| } else { |
| rsi_dbg(ERR_ZONE, "%s: Invalid EEPROM read type\n", |
| __func__); |
| return 0; |
| } |
| break; |
| |
| case RESET_MAC_REQ: |
| if (common->fsm_state == FSM_RESET_MAC_SENT) { |
| rsi_dbg(FSM_ZONE, "%s: Reset MAC cfm received\n", |
| __func__); |
| |
| if (rsi_load_radio_caps(common)) |
| goto out; |
| else |
| common->fsm_state = FSM_RADIO_CAPS_SENT; |
| } else { |
| rsi_dbg(ERR_ZONE, |
| "%s: Received reset mac cfm in %d state\n", |
| __func__, common->fsm_state); |
| return 0; |
| } |
| break; |
| |
| case RADIO_CAPABILITIES: |
| if (common->fsm_state == FSM_RADIO_CAPS_SENT) { |
| common->rf_reset = 1; |
| if (rsi_program_bb_rf(common)) { |
| goto out; |
| } else { |
| common->fsm_state = FSM_BB_RF_PROG_SENT; |
| rsi_dbg(FSM_ZONE, "%s: Radio cap cfm received\n", |
| __func__); |
| } |
| } else { |
| rsi_dbg(INFO_ZONE, |
| "%s: Received radio caps cfm in %d state\n", |
| __func__, common->fsm_state); |
| return 0; |
| } |
| break; |
| |
| case BB_PROG_VALUES_REQUEST: |
| case RF_PROG_VALUES_REQUEST: |
| case BBP_PROG_IN_TA: |
| rsi_dbg(FSM_ZONE, "%s: BB/RF cfm received\n", __func__); |
| if (common->fsm_state == FSM_BB_RF_PROG_SENT) { |
| common->bb_rf_prog_count--; |
| if (!common->bb_rf_prog_count) { |
| common->fsm_state = FSM_MAC_INIT_DONE; |
| if (common->reinit_hw) { |
| complete(&common->wlan_init_completion); |
| } else { |
| return rsi_mac80211_attach(common); |
| } |
| } |
| } else { |
| rsi_dbg(INFO_ZONE, |
| "%s: Received bbb_rf cfm in %d state\n", |
| __func__, common->fsm_state); |
| return 0; |
| } |
| break; |
| |
| case SCAN_REQUEST: |
| rsi_dbg(INFO_ZONE, "Set channel confirm\n"); |
| break; |
| |
| case WAKEUP_SLEEP_REQUEST: |
| rsi_dbg(INFO_ZONE, "Wakeup/Sleep confirmation.\n"); |
| return rsi_handle_ps_confirm(adapter, msg); |
| |
| case BG_SCAN_PROBE_REQ: |
| rsi_dbg(INFO_ZONE, "BG scan complete event\n"); |
| if (common->bgscan_en) { |
| struct cfg80211_scan_info info; |
| |
| if (!rsi_send_bgscan_params(common, RSI_STOP_BGSCAN)) |
| common->bgscan_en = 0; |
| info.aborted = false; |
| ieee80211_scan_completed(adapter->hw, &info); |
| } |
| rsi_dbg(INFO_ZONE, "Background scan completed\n"); |
| break; |
| |
| default: |
| rsi_dbg(INFO_ZONE, "%s: Invalid TA confirm pkt received\n", |
| __func__); |
| break; |
| } |
| return 0; |
| out: |
| rsi_dbg(ERR_ZONE, "%s: Unable to send pkt/Invalid frame received\n", |
| __func__); |
| return -EINVAL; |
| } |
| |
| int rsi_handle_card_ready(struct rsi_common *common, u8 *msg) |
| { |
| switch (common->fsm_state) { |
| case FSM_CARD_NOT_READY: |
| rsi_dbg(INIT_ZONE, "Card ready indication from Common HAL\n"); |
| rsi_set_default_parameters(common); |
| if (rsi_send_common_dev_params(common) < 0) |
| return -EINVAL; |
| common->fsm_state = FSM_COMMON_DEV_PARAMS_SENT; |
| break; |
| case FSM_COMMON_DEV_PARAMS_SENT: |
| rsi_dbg(INIT_ZONE, "Card ready indication from WLAN HAL\n"); |
| |
| /* Get usb buffer status register address */ |
| common->priv->usb_buffer_status_reg = *(u32 *)&msg[8]; |
| rsi_dbg(INFO_ZONE, "USB buffer status register = %x\n", |
| common->priv->usb_buffer_status_reg); |
| |
| if (rsi_load_bootup_params(common)) { |
| common->fsm_state = FSM_CARD_NOT_READY; |
| return -EINVAL; |
| } |
| common->fsm_state = FSM_BOOT_PARAMS_SENT; |
| break; |
| default: |
| rsi_dbg(ERR_ZONE, |
| "%s: card ready indication in invalid state %d.\n", |
| __func__, common->fsm_state); |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| /** |
| * rsi_mgmt_pkt_recv() - This function processes the management packets |
| * received from the hardware. |
| * @common: Pointer to the driver private structure. |
| * @msg: Pointer to the received packet. |
| * |
| * Return: 0 on success, -1 on failure. |
| */ |
| int rsi_mgmt_pkt_recv(struct rsi_common *common, u8 *msg) |
| { |
| s32 msg_len = (le16_to_cpu(*(__le16 *)&msg[0]) & 0x0fff); |
| u16 msg_type = (msg[2]); |
| |
| rsi_dbg(FSM_ZONE, "%s: Msg Len: %d, Msg Type: %4x\n", |
| __func__, msg_len, msg_type); |
| |
| switch (msg_type) { |
| case TA_CONFIRM_TYPE: |
| return rsi_handle_ta_confirm_type(common, msg); |
| case CARD_READY_IND: |
| common->hibernate_resume = false; |
| rsi_dbg(FSM_ZONE, "%s: Card ready indication received\n", |
| __func__); |
| return rsi_handle_card_ready(common, msg); |
| case TX_STATUS_IND: |
| switch (msg[RSI_TX_STATUS_TYPE]) { |
| case PROBEREQ_CONFIRM: |
| common->mgmt_q_block = false; |
| rsi_dbg(FSM_ZONE, "%s: Probe confirm received\n", |
| __func__); |
| break; |
| case EAPOL4_CONFIRM: |
| if (msg[RSI_TX_STATUS]) { |
| common->eapol4_confirm = true; |
| if (!rsi_send_block_unblock_frame(common, |
| false)) |
| common->hw_data_qs_blocked = false; |
| } |
| } |
| break; |
| case BEACON_EVENT_IND: |
| rsi_dbg(INFO_ZONE, "Beacon event\n"); |
| if (common->fsm_state != FSM_MAC_INIT_DONE) |
| return -1; |
| if (common->iface_down) |
| return -1; |
| if (!common->beacon_enabled) |
| return -1; |
| rsi_send_beacon(common); |
| break; |
| case WOWLAN_WAKEUP_REASON: |
| rsi_dbg(ERR_ZONE, "\n\nWakeup Type: %x\n", msg[15]); |
| switch (msg[15]) { |
| case RSI_UNICAST_MAGIC_PKT: |
| rsi_dbg(ERR_ZONE, |
| "*** Wakeup for Unicast magic packet ***\n"); |
| break; |
| case RSI_BROADCAST_MAGICPKT: |
| rsi_dbg(ERR_ZONE, |
| "*** Wakeup for Broadcast magic packet ***\n"); |
| break; |
| case RSI_EAPOL_PKT: |
| rsi_dbg(ERR_ZONE, |
| "*** Wakeup for GTK renewal ***\n"); |
| break; |
| case RSI_DISCONNECT_PKT: |
| rsi_dbg(ERR_ZONE, |
| "*** Wakeup for Disconnect ***\n"); |
| break; |
| case RSI_HW_BMISS_PKT: |
| rsi_dbg(ERR_ZONE, |
| "*** Wakeup for HW Beacon miss ***\n"); |
| break; |
| default: |
| rsi_dbg(ERR_ZONE, |
| "##### Un-intentional Wakeup #####\n"); |
| break; |
| } |
| break; |
| case RX_DOT11_MGMT: |
| return rsi_mgmt_pkt_to_core(common, msg, msg_len); |
| default: |
| rsi_dbg(INFO_ZONE, "Received packet type: 0x%x\n", msg_type); |
| } |
| return 0; |
| } |