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rsi_91x_mgmt.c
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rsi_91x_mgmt.c
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/*
* 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);