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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /drivers/net/wireless/rsi/rsi_91x_mgmt.c
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/wireless/rsi/rsi_91x_mgmt.c')
-rw-r--r--drivers/net/wireless/rsi/rsi_91x_mgmt.c2264
1 files changed, 2264 insertions, 0 deletions
diff --git a/drivers/net/wireless/rsi/rsi_91x_mgmt.c b/drivers/net/wireless/rsi/rsi_91x_mgmt.c
new file mode 100644
index 000000000..9000a5d51
--- /dev/null
+++ b/drivers/net/wireless/rsi/rsi_91x_mgmt.c
@@ -0,0 +1,2264 @@
+/*
+ * 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 struct bootup_params_9116 boot_params_9116_20 = {
+ .magic_number = cpu_to_le16(LOADED_TOKEN),
+ .valid = cpu_to_le32(VALID_20),
+ .device_clk_info_9116 = {{
+ .pll_config_9116_g = {
+ .pll_ctrl_set_reg = cpu_to_le16(0xd518),
+ .pll_ctrl_clr_reg = cpu_to_le16(0x2ae7),
+ .pll_modem_conig_reg = cpu_to_le16(0x2000),
+ .soc_clk_config_reg = cpu_to_le16(0x0c18),
+ .adc_dac_strm1_config_reg = cpu_to_le16(0x1100),
+ .adc_dac_strm2_config_reg = cpu_to_le16(0x6600),
+ },
+ .switch_clk_9116_g = {
+ .switch_clk_info =
+ cpu_to_le32((RSI_SWITCH_TASS_CLK |
+ RSI_SWITCH_WLAN_BBP_LMAC_CLK_REG |
+ RSI_SWITCH_BBP_LMAC_CLK_REG)),
+ .tass_clock_reg = cpu_to_le32(0x083C0503),
+ .wlan_bbp_lmac_clk_reg_val = cpu_to_le32(0x01042001),
+ .zbbt_bbp_lmac_clk_reg_val = cpu_to_le32(0x02010001),
+ .bbp_lmac_clk_en_val = cpu_to_le32(0x0000003b),
+ }
+ },
+ },
+};
+
+static struct bootup_params_9116 boot_params_9116_40 = {
+ .magic_number = cpu_to_le16(LOADED_TOKEN),
+ .valid = cpu_to_le32(VALID_40),
+ .device_clk_info_9116 = {{
+ .pll_config_9116_g = {
+ .pll_ctrl_set_reg = cpu_to_le16(0xd518),
+ .pll_ctrl_clr_reg = cpu_to_le16(0x2ae7),
+ .pll_modem_conig_reg = cpu_to_le16(0x3000),
+ .soc_clk_config_reg = cpu_to_le16(0x0c18),
+ .adc_dac_strm1_config_reg = cpu_to_le16(0x0000),
+ .adc_dac_strm2_config_reg = cpu_to_le16(0x6600),
+ },
+ .switch_clk_9116_g = {
+ .switch_clk_info =
+ cpu_to_le32((RSI_SWITCH_TASS_CLK |
+ RSI_SWITCH_WLAN_BBP_LMAC_CLK_REG |
+ RSI_SWITCH_BBP_LMAC_CLK_REG |
+ RSI_MODEM_CLK_160MHZ)),
+ .tass_clock_reg = cpu_to_le32(0x083C0503),
+ .wlan_bbp_lmac_clk_reg_val = cpu_to_le32(0x01042002),
+ .zbbt_bbp_lmac_clk_reg_val = cpu_to_le32(0x04010002),
+ .bbp_lmac_clk_en_val = cpu_to_le32(0x0000003b),
+ }
+ },
+ },
+};
+
+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;
+ memset(&common->rate_config, 0, sizeof(common->rate_config));
+ 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;
+ common->w9116_features.pll_mode = 0x0;
+ common->w9116_features.rf_type = 1;
+ common->w9116_features.wireless_mode = 0;
+ common->w9116_features.enable_ppe = 0;
+ common->w9116_features.afe_type = 1;
+ common->w9116_features.dpd = 0;
+ common->w9116_features.sifs_tx_enable = 0;
+ common->w9116_features.ps_options = 0;
+}
+
+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;
+
+ if (adapter->device_model == RSI_DEV_9116 &&
+ common->channel_width == BW_20MHZ)
+ radio_caps->radio_cfg_info &= ~0x3;
+
+ 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++) {
+ if (common->edca_params[ii].cw_max > 0) {
+ 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.
+ *
+ * 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).
+ * @sta_id: station id.
+ * @vif: Pointer to the ieee80211_vif structure.
+ *
+ * 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.
+ * @sta_id: station id.
+ *
+ * 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.
+ * @mode: Operating mode of device.
+ * @mac_addr: MAC address
+ * @vap_id: Rate information - offset and mask
+ * @vap_status: VAP status - ADD, DELETE or UPDATE
+ *
+ * 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.
+ * @sta_id: Station id.
+ * @vif: Pointer to the ieee80211_vif structure.
+ *
+ * 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);
+}
+
+static int rsi_load_9116_bootup_params(struct rsi_common *common)
+{
+ struct sk_buff *skb;
+ struct rsi_boot_params_9116 *boot_params;
+
+ rsi_dbg(MGMT_TX_ZONE, "%s: Sending boot params frame\n", __func__);
+
+ skb = dev_alloc_skb(sizeof(struct rsi_boot_params_9116));
+ if (!skb)
+ return -ENOMEM;
+ memset(skb->data, 0, sizeof(struct rsi_boot_params));
+ boot_params = (struct rsi_boot_params_9116 *)skb->data;
+
+ if (common->channel_width == BW_40MHZ) {
+ memcpy(&boot_params->bootup_params,
+ &boot_params_9116_40,
+ sizeof(struct bootup_params_9116));
+ rsi_dbg(MGMT_TX_ZONE, "%s: Packet 40MHZ <=== %d\n", __func__,
+ UMAC_CLK_40BW);
+ boot_params->umac_clk = cpu_to_le16(UMAC_CLK_40BW);
+ } else {
+ memcpy(&boot_params->bootup_params,
+ &boot_params_9116_20,
+ sizeof(struct bootup_params_9116));
+ if (boot_params_20.valid != cpu_to_le32(VALID_20)) {
+ boot_params->umac_clk = cpu_to_le16(UMAC_CLK_20BW);
+ rsi_dbg(MGMT_TX_ZONE,
+ "%s: Packet 20MHZ <=== %d\n", __func__,
+ UMAC_CLK_20BW);
+ } else {
+ boot_params->umac_clk = cpu_to_le16(UMAC_CLK_40MHZ);
+ rsi_dbg(MGMT_TX_ZONE,
+ "%s: Packet 20MHZ <=== %d\n", __func__,
+ UMAC_CLK_40MHZ);
+ }
+ }
+ rsi_set_len_qno(&boot_params->desc_dword0.len_qno,
+ sizeof(struct bootup_params_9116), RSI_WIFI_MGMT_Q);
+ boot_params->desc_dword0.frame_type = BOOTUP_PARAMS_REQUEST;
+ skb_put(skb, sizeof(struct rsi_boot_params_9116));
+
+ 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);
+
+#define RSI_9116_DEF_TA_AGGR 3
+ if (common->priv->device_model == RSI_DEV_9116)
+ mgmt_frame->desc_word[3] |=
+ cpu_to_le16(RSI_9116_DEF_TA_AGGR << 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.
+ * @curchan: Pointer to the current channel 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) {
+ if (adapter->device_model == RSI_DEV_9116)
+ status = rsi_load_9116_bootup_params(common);
+ else
+ 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.
+ *
+ * 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.
+ * @sta: mac80211 station.
+ * @sta_id: station id.
+ * @vif: Pointer to the ieee80211_vif 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, configured_rates;
+ 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;
+ }
+
+ /* Limit to any rates administratively configured by cfg80211 */
+ configured_rates = common->rate_config[band].configured_mask ?: 0xffffffff;
+ rate_bitmap &= configured_rates;
+
+ 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++) {
+ if (configured_rates & BIT(ii + ARRAY_SIZE(rsi_rates))) {
+ selected_rates[jj++] = mcs[ii];
+ num_supported_rates++;
+ rate_offset++;
+ }
+ }
+ }
+
+ 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.
+ * @opmode: Operating mode of device.
+ * @status: Bss status type.
+ * @addr: Address of the register.
+ * @qos_enable: Qos is enabled.
+ * @aid: Aid (unique for all STAs).
+ * @sta: mac80211 station.
+ * @sta_id: station id.
+ * @assoc_cap: capabilities.
+ * @vif: Pointer to the ieee80211_vif structure.
+ *
+ * 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->rate_config[common->band].fixed_enabled)
+ 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
+ *
+ * @common: Pointer to the driver private structure.
+ * @block_event: Event block if true, unblock if false
+ * returns 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
+ *
+ * Returns 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);
+}
+
+static int rsi_send_w9116_features(struct rsi_common *common)
+{
+ struct rsi_wlan_9116_features *w9116_features;
+ u16 frame_len = sizeof(struct rsi_wlan_9116_features);
+ struct sk_buff *skb;
+
+ rsi_dbg(MGMT_TX_ZONE,
+ "%s: Sending wlan 9116 features\n", __func__);
+
+ skb = dev_alloc_skb(frame_len);
+ if (!skb)
+ return -ENOMEM;
+ memset(skb->data, 0, frame_len);
+
+ w9116_features = (struct rsi_wlan_9116_features *)skb->data;
+
+ w9116_features->pll_mode = common->w9116_features.pll_mode;
+ w9116_features->rf_type = common->w9116_features.rf_type;
+ w9116_features->wireless_mode = common->w9116_features.wireless_mode;
+ w9116_features->enable_ppe = common->w9116_features.enable_ppe;
+ w9116_features->afe_type = common->w9116_features.afe_type;
+ if (common->w9116_features.dpd)
+ w9116_features->feature_enable |= cpu_to_le32(RSI_DPD);
+ if (common->w9116_features.sifs_tx_enable)
+ w9116_features->feature_enable |=
+ cpu_to_le32(RSI_SIFS_TX_ENABLE);
+ if (common->w9116_features.ps_options & RSI_DUTY_CYCLING)
+ w9116_features->feature_enable |= cpu_to_le32(RSI_DUTY_CYCLING);
+ if (common->w9116_features.ps_options & RSI_END_OF_FRAME)
+ w9116_features->feature_enable |= cpu_to_le32(RSI_END_OF_FRAME);
+ w9116_features->feature_enable |=
+ cpu_to_le32((common->w9116_features.ps_options & ~0x3) << 2);
+
+ rsi_set_len_qno(&w9116_features->desc.desc_dword0.len_qno,
+ frame_len - FRAME_DESC_SZ, RSI_WIFI_MGMT_Q);
+ w9116_features->desc.desc_dword0.frame_type = FEATURES_ENABLE;
+ 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");
+ dev_kfree_skb(skb);
+ 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.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) {
+ if (adapter->device_model == RSI_DEV_9116) {
+ common->band = NL80211_BAND_5GHZ;
+ common->num_supp_bands = 2;
+
+ if (rsi_send_reset_mac(common))
+ goto out;
+ else
+ common->fsm_state = FSM_RESET_MAC_SENT;
+ } else {
+ 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 (adapter->device_model == RSI_DEV_9116 &&
+ rsi_send_w9116_features(common)) {
+ rsi_dbg(ERR_ZONE,
+ "Failed to send 9116 features\n");
+ goto out;
+ }
+ 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 {
+ if (common->bt_defer_attach)
+ rsi_attach_bt(common);
+
+ 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)
+{
+ int status;
+
+ 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");
+
+ if (common->priv->device_model == RSI_DEV_9116) {
+ if (msg[16] != MAGIC_WORD) {
+ rsi_dbg(FSM_ZONE,
+ "%s: [EEPROM_READ] Invalid token\n",
+ __func__);
+ common->fsm_state = FSM_CARD_NOT_READY;
+ return -EINVAL;
+ }
+ memcpy(common->mac_addr, &msg[20], ETH_ALEN);
+ rsi_dbg(INIT_ZONE, "MAC Addr %pM", common->mac_addr);
+ }
+ /* 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 (common->priv->device_model == RSI_DEV_9116)
+ status = rsi_load_9116_bootup_params(common);
+ else
+ status = rsi_load_bootup_params(common);
+ if (status < 0) {
+ common->fsm_state = FSM_CARD_NOT_READY;
+ return status;
+ }
+ 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;
+}