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linux-zen-desktop/drivers/net/wireless/realtek/rtw88/fw.c

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// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/* Copyright(c) 2018-2019 Realtek Corporation
*/
#include <linux/iopoll.h>
#include "main.h"
#include "coex.h"
#include "fw.h"
#include "tx.h"
#include "reg.h"
#include "sec.h"
#include "debug.h"
#include "util.h"
#include "wow.h"
#include "ps.h"
#include "phy.h"
#include "mac.h"
static void rtw_fw_c2h_cmd_handle_ext(struct rtw_dev *rtwdev,
struct sk_buff *skb)
{
struct rtw_c2h_cmd *c2h;
u8 sub_cmd_id;
c2h = get_c2h_from_skb(skb);
sub_cmd_id = c2h->payload[0];
switch (sub_cmd_id) {
case C2H_CCX_RPT:
rtw_tx_report_handle(rtwdev, skb, C2H_CCX_RPT);
break;
case C2H_SCAN_STATUS_RPT:
rtw_hw_scan_status_report(rtwdev, skb);
break;
case C2H_CHAN_SWITCH:
rtw_hw_scan_chan_switch(rtwdev, skb);
break;
default:
break;
}
}
static u16 get_max_amsdu_len(u32 bit_rate)
{
/* lower than ofdm, do not aggregate */
if (bit_rate < 550)
return 1;
/* lower than 20M 2ss mcs8, make it small */
if (bit_rate < 1800)
return 1200;
/* lower than 40M 2ss mcs9, make it medium */
if (bit_rate < 4000)
return 2600;
/* not yet 80M 2ss mcs8/9, make it twice regular packet size */
if (bit_rate < 7000)
return 3500;
/* unlimited */
return 0;
}
struct rtw_fw_iter_ra_data {
struct rtw_dev *rtwdev;
u8 *payload;
};
static void rtw_fw_ra_report_iter(void *data, struct ieee80211_sta *sta)
{
struct rtw_fw_iter_ra_data *ra_data = data;
struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv;
u8 mac_id, rate, sgi, bw;
u8 mcs, nss;
u32 bit_rate;
mac_id = GET_RA_REPORT_MACID(ra_data->payload);
if (si->mac_id != mac_id)
return;
si->ra_report.txrate.flags = 0;
rate = GET_RA_REPORT_RATE(ra_data->payload);
sgi = GET_RA_REPORT_SGI(ra_data->payload);
bw = GET_RA_REPORT_BW(ra_data->payload);
if (rate < DESC_RATEMCS0) {
si->ra_report.txrate.legacy = rtw_desc_to_bitrate(rate);
goto legacy;
}
rtw_desc_to_mcsrate(rate, &mcs, &nss);
if (rate >= DESC_RATEVHT1SS_MCS0)
si->ra_report.txrate.flags |= RATE_INFO_FLAGS_VHT_MCS;
else if (rate >= DESC_RATEMCS0)
si->ra_report.txrate.flags |= RATE_INFO_FLAGS_MCS;
if (rate >= DESC_RATEMCS0) {
si->ra_report.txrate.mcs = mcs;
si->ra_report.txrate.nss = nss;
}
if (sgi)
si->ra_report.txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
if (bw == RTW_CHANNEL_WIDTH_80)
si->ra_report.txrate.bw = RATE_INFO_BW_80;
else if (bw == RTW_CHANNEL_WIDTH_40)
si->ra_report.txrate.bw = RATE_INFO_BW_40;
else
si->ra_report.txrate.bw = RATE_INFO_BW_20;
legacy:
bit_rate = cfg80211_calculate_bitrate(&si->ra_report.txrate);
si->ra_report.desc_rate = rate;
si->ra_report.bit_rate = bit_rate;
sta->deflink.agg.max_rc_amsdu_len = get_max_amsdu_len(bit_rate);
}
static void rtw_fw_ra_report_handle(struct rtw_dev *rtwdev, u8 *payload,
u8 length)
{
struct rtw_fw_iter_ra_data ra_data;
if (WARN(length < 7, "invalid ra report c2h length\n"))
return;
rtwdev->dm_info.tx_rate = GET_RA_REPORT_RATE(payload);
ra_data.rtwdev = rtwdev;
ra_data.payload = payload;
rtw_iterate_stas_atomic(rtwdev, rtw_fw_ra_report_iter, &ra_data);
}
struct rtw_beacon_filter_iter_data {
struct rtw_dev *rtwdev;
u8 *payload;
};
static void rtw_fw_bcn_filter_notify_vif_iter(void *data, u8 *mac,
struct ieee80211_vif *vif)
{
struct rtw_beacon_filter_iter_data *iter_data = data;
struct rtw_dev *rtwdev = iter_data->rtwdev;
u8 *payload = iter_data->payload;
u8 type = GET_BCN_FILTER_NOTIFY_TYPE(payload);
u8 event = GET_BCN_FILTER_NOTIFY_EVENT(payload);
s8 sig = (s8)GET_BCN_FILTER_NOTIFY_RSSI(payload);
switch (type) {
case BCN_FILTER_NOTIFY_SIGNAL_CHANGE:
event = event ? NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH :
NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW;
ieee80211_cqm_rssi_notify(vif, event, sig, GFP_KERNEL);
break;
case BCN_FILTER_CONNECTION_LOSS:
ieee80211_connection_loss(vif);
break;
case BCN_FILTER_CONNECTED:
rtwdev->beacon_loss = false;
break;
case BCN_FILTER_NOTIFY_BEACON_LOSS:
rtwdev->beacon_loss = true;
rtw_leave_lps(rtwdev);
break;
}
}
static void rtw_fw_bcn_filter_notify(struct rtw_dev *rtwdev, u8 *payload,
u8 length)
{
struct rtw_beacon_filter_iter_data dev_iter_data;
dev_iter_data.rtwdev = rtwdev;
dev_iter_data.payload = payload;
rtw_iterate_vifs(rtwdev, rtw_fw_bcn_filter_notify_vif_iter,
&dev_iter_data);
}
static void rtw_fw_scan_result(struct rtw_dev *rtwdev, u8 *payload,
u8 length)
{
struct rtw_dm_info *dm_info = &rtwdev->dm_info;
dm_info->scan_density = payload[0];
rtw_dbg(rtwdev, RTW_DBG_FW, "scan.density = %x\n",
dm_info->scan_density);
}
static void rtw_fw_adaptivity_result(struct rtw_dev *rtwdev, u8 *payload,
u8 length)
{
struct rtw_hw_reg_offset *edcca_th = rtwdev->chip->edcca_th;
struct rtw_c2h_adaptivity *result = (struct rtw_c2h_adaptivity *)payload;
rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY,
"Adaptivity: density %x igi %x l2h_th_init %x l2h %x h2l %x option %x\n",
result->density, result->igi, result->l2h_th_init, result->l2h,
result->h2l, result->option);
rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "Reg Setting: L2H %x H2L %x\n",
rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_L2H_IDX].hw_reg.addr,
edcca_th[EDCCA_TH_L2H_IDX].hw_reg.mask),
rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_H2L_IDX].hw_reg.addr,
edcca_th[EDCCA_TH_H2L_IDX].hw_reg.mask));
rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "EDCCA Flag %s\n",
rtw_read32_mask(rtwdev, REG_EDCCA_REPORT, BIT_EDCCA_FLAG) ?
"Set" : "Unset");
}
void rtw_fw_c2h_cmd_handle(struct rtw_dev *rtwdev, struct sk_buff *skb)
{
struct rtw_c2h_cmd *c2h;
u32 pkt_offset;
u8 len;
pkt_offset = *((u32 *)skb->cb);
c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset);
len = skb->len - pkt_offset - 2;
mutex_lock(&rtwdev->mutex);
if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags))
goto unlock;
switch (c2h->id) {
case C2H_CCX_TX_RPT:
rtw_tx_report_handle(rtwdev, skb, C2H_CCX_TX_RPT);
break;
case C2H_BT_INFO:
rtw_coex_bt_info_notify(rtwdev, c2h->payload, len);
break;
case C2H_BT_HID_INFO:
rtw_coex_bt_hid_info_notify(rtwdev, c2h->payload, len);
break;
case C2H_WLAN_INFO:
rtw_coex_wl_fwdbginfo_notify(rtwdev, c2h->payload, len);
break;
case C2H_BCN_FILTER_NOTIFY:
rtw_fw_bcn_filter_notify(rtwdev, c2h->payload, len);
break;
case C2H_HALMAC:
rtw_fw_c2h_cmd_handle_ext(rtwdev, skb);
break;
case C2H_RA_RPT:
rtw_fw_ra_report_handle(rtwdev, c2h->payload, len);
break;
default:
rtw_dbg(rtwdev, RTW_DBG_FW, "C2H 0x%x isn't handled\n", c2h->id);
break;
}
unlock:
mutex_unlock(&rtwdev->mutex);
}
void rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev *rtwdev, u32 pkt_offset,
struct sk_buff *skb)
{
struct rtw_c2h_cmd *c2h;
u8 len;
c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset);
len = skb->len - pkt_offset - 2;
*((u32 *)skb->cb) = pkt_offset;
rtw_dbg(rtwdev, RTW_DBG_FW, "recv C2H, id=0x%02x, seq=0x%02x, len=%d\n",
c2h->id, c2h->seq, len);
switch (c2h->id) {
case C2H_BT_MP_INFO:
rtw_coex_info_response(rtwdev, skb);
break;
case C2H_WLAN_RFON:
complete(&rtwdev->lps_leave_check);
dev_kfree_skb_any(skb);
break;
case C2H_SCAN_RESULT:
complete(&rtwdev->fw_scan_density);
rtw_fw_scan_result(rtwdev, c2h->payload, len);
dev_kfree_skb_any(skb);
break;
case C2H_ADAPTIVITY:
rtw_fw_adaptivity_result(rtwdev, c2h->payload, len);
dev_kfree_skb_any(skb);
break;
default:
/* pass offset for further operation */
*((u32 *)skb->cb) = pkt_offset;
skb_queue_tail(&rtwdev->c2h_queue, skb);
ieee80211_queue_work(rtwdev->hw, &rtwdev->c2h_work);
break;
}
}
EXPORT_SYMBOL(rtw_fw_c2h_cmd_rx_irqsafe);
void rtw_fw_c2h_cmd_isr(struct rtw_dev *rtwdev)
{
if (rtw_read8(rtwdev, REG_MCU_TST_CFG) == VAL_FW_TRIGGER)
rtw_fw_recovery(rtwdev);
else
rtw_warn(rtwdev, "unhandled firmware c2h interrupt\n");
}
EXPORT_SYMBOL(rtw_fw_c2h_cmd_isr);
static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev,
u8 *h2c)
{
struct rtw_h2c_cmd *h2c_cmd = (struct rtw_h2c_cmd *)h2c;
u8 box;
u8 box_state;
u32 box_reg, box_ex_reg;
int ret;
rtw_dbg(rtwdev, RTW_DBG_FW,
"send H2C content %02x%02x%02x%02x %02x%02x%02x%02x\n",
h2c[3], h2c[2], h2c[1], h2c[0],
h2c[7], h2c[6], h2c[5], h2c[4]);
lockdep_assert_held(&rtwdev->mutex);
box = rtwdev->h2c.last_box_num;
switch (box) {
case 0:
box_reg = REG_HMEBOX0;
box_ex_reg = REG_HMEBOX0_EX;
break;
case 1:
box_reg = REG_HMEBOX1;
box_ex_reg = REG_HMEBOX1_EX;
break;
case 2:
box_reg = REG_HMEBOX2;
box_ex_reg = REG_HMEBOX2_EX;
break;
case 3:
box_reg = REG_HMEBOX3;
box_ex_reg = REG_HMEBOX3_EX;
break;
default:
WARN(1, "invalid h2c mail box number\n");
return;
}
ret = read_poll_timeout_atomic(rtw_read8, box_state,
!((box_state >> box) & 0x1), 100, 3000,
false, rtwdev, REG_HMETFR);
if (ret) {
rtw_err(rtwdev, "failed to send h2c command\n");
return;
}
rtw_write32(rtwdev, box_ex_reg, le32_to_cpu(h2c_cmd->msg_ext));
rtw_write32(rtwdev, box_reg, le32_to_cpu(h2c_cmd->msg));
if (++rtwdev->h2c.last_box_num >= 4)
rtwdev->h2c.last_box_num = 0;
}
void rtw_fw_h2c_cmd_dbg(struct rtw_dev *rtwdev, u8 *h2c)
{
rtw_fw_send_h2c_command(rtwdev, h2c);
}
static void rtw_fw_send_h2c_packet(struct rtw_dev *rtwdev, u8 *h2c_pkt)
{
int ret;
lockdep_assert_held(&rtwdev->mutex);
FW_OFFLOAD_H2C_SET_SEQ_NUM(h2c_pkt, rtwdev->h2c.seq);
ret = rtw_hci_write_data_h2c(rtwdev, h2c_pkt, H2C_PKT_SIZE);
if (ret)
rtw_err(rtwdev, "failed to send h2c packet\n");
rtwdev->h2c.seq++;
}
void
rtw_fw_send_general_info(struct rtw_dev *rtwdev)
{
struct rtw_fifo_conf *fifo = &rtwdev->fifo;
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
u16 total_size = H2C_PKT_HDR_SIZE + 4;
if (rtw_chip_wcpu_11n(rtwdev))
return;
rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_GENERAL_INFO);
SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
GENERAL_INFO_SET_FW_TX_BOUNDARY(h2c_pkt,
fifo->rsvd_fw_txbuf_addr -
fifo->rsvd_boundary);
rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
}
void
rtw_fw_send_phydm_info(struct rtw_dev *rtwdev)
{
struct rtw_hal *hal = &rtwdev->hal;
struct rtw_efuse *efuse = &rtwdev->efuse;
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
u16 total_size = H2C_PKT_HDR_SIZE + 8;
u8 fw_rf_type = 0;
if (rtw_chip_wcpu_11n(rtwdev))
return;
if (hal->rf_type == RF_1T1R)
fw_rf_type = FW_RF_1T1R;
else if (hal->rf_type == RF_2T2R)
fw_rf_type = FW_RF_2T2R;
rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_PHYDM_INFO);
SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
PHYDM_INFO_SET_REF_TYPE(h2c_pkt, efuse->rfe_option);
PHYDM_INFO_SET_RF_TYPE(h2c_pkt, fw_rf_type);
PHYDM_INFO_SET_CUT_VER(h2c_pkt, hal->cut_version);
PHYDM_INFO_SET_RX_ANT_STATUS(h2c_pkt, hal->antenna_tx);
PHYDM_INFO_SET_TX_ANT_STATUS(h2c_pkt, hal->antenna_rx);
rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
}
void rtw_fw_do_iqk(struct rtw_dev *rtwdev, struct rtw_iqk_para *para)
{
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
u16 total_size = H2C_PKT_HDR_SIZE + 1;
rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_IQK);
SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
IQK_SET_CLEAR(h2c_pkt, para->clear);
IQK_SET_SEGMENT_IQK(h2c_pkt, para->segment_iqk);
rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
}
EXPORT_SYMBOL(rtw_fw_do_iqk);
void rtw_fw_inform_rfk_status(struct rtw_dev *rtwdev, bool start)
{
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WIFI_CALIBRATION);
RFK_SET_INFORM_START(h2c_pkt, start);
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
EXPORT_SYMBOL(rtw_fw_inform_rfk_status);
void rtw_fw_query_bt_info(struct rtw_dev *rtwdev)
{
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_INFO);
SET_QUERY_BT_INFO(h2c_pkt, true);
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
void rtw_fw_wl_ch_info(struct rtw_dev *rtwdev, u8 link, u8 ch, u8 bw)
{
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_CH_INFO);
SET_WL_CH_INFO_LINK(h2c_pkt, link);
SET_WL_CH_INFO_CHNL(h2c_pkt, ch);
SET_WL_CH_INFO_BW(h2c_pkt, bw);
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
void rtw_fw_query_bt_mp_info(struct rtw_dev *rtwdev,
struct rtw_coex_info_req *req)
{
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_MP_INFO);
SET_BT_MP_INFO_SEQ(h2c_pkt, req->seq);
SET_BT_MP_INFO_OP_CODE(h2c_pkt, req->op_code);
SET_BT_MP_INFO_PARA1(h2c_pkt, req->para1);
SET_BT_MP_INFO_PARA2(h2c_pkt, req->para2);
SET_BT_MP_INFO_PARA3(h2c_pkt, req->para3);
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
void rtw_fw_force_bt_tx_power(struct rtw_dev *rtwdev, u8 bt_pwr_dec_lvl)
{
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
u8 index = 0 - bt_pwr_dec_lvl;
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_FORCE_BT_TX_POWER);
SET_BT_TX_POWER_INDEX(h2c_pkt, index);
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
void rtw_fw_bt_ignore_wlan_action(struct rtw_dev *rtwdev, bool enable)
{
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_IGNORE_WLAN_ACTION);
SET_IGNORE_WLAN_ACTION_EN(h2c_pkt, enable);
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
void rtw_fw_coex_tdma_type(struct rtw_dev *rtwdev,
u8 para1, u8 para2, u8 para3, u8 para4, u8 para5)
{
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_COEX_TDMA_TYPE);
SET_COEX_TDMA_TYPE_PARA1(h2c_pkt, para1);
SET_COEX_TDMA_TYPE_PARA2(h2c_pkt, para2);
SET_COEX_TDMA_TYPE_PARA3(h2c_pkt, para3);
SET_COEX_TDMA_TYPE_PARA4(h2c_pkt, para4);
SET_COEX_TDMA_TYPE_PARA5(h2c_pkt, para5);
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
void rtw_fw_coex_query_hid_info(struct rtw_dev *rtwdev, u8 sub_id, u8 data)
{
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_HID_INFO);
SET_COEX_QUERY_HID_INFO_SUBID(h2c_pkt, sub_id);
SET_COEX_QUERY_HID_INFO_DATA1(h2c_pkt, data);
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
void rtw_fw_bt_wifi_control(struct rtw_dev *rtwdev, u8 op_code, u8 *data)
{
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BT_WIFI_CONTROL);
SET_BT_WIFI_CONTROL_OP_CODE(h2c_pkt, op_code);
SET_BT_WIFI_CONTROL_DATA1(h2c_pkt, *data);
SET_BT_WIFI_CONTROL_DATA2(h2c_pkt, *(data + 1));
SET_BT_WIFI_CONTROL_DATA3(h2c_pkt, *(data + 2));
SET_BT_WIFI_CONTROL_DATA4(h2c_pkt, *(data + 3));
SET_BT_WIFI_CONTROL_DATA5(h2c_pkt, *(data + 4));
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
void rtw_fw_send_rssi_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si)
{
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
u8 rssi = ewma_rssi_read(&si->avg_rssi);
bool stbc_en = si->stbc_en ? true : false;
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSSI_MONITOR);
SET_RSSI_INFO_MACID(h2c_pkt, si->mac_id);
SET_RSSI_INFO_RSSI(h2c_pkt, rssi);
SET_RSSI_INFO_STBC(h2c_pkt, stbc_en);
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
void rtw_fw_send_ra_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si,
bool reset_ra_mask)
{
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
bool disable_pt = true;
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RA_INFO);
SET_RA_INFO_MACID(h2c_pkt, si->mac_id);
SET_RA_INFO_RATE_ID(h2c_pkt, si->rate_id);
SET_RA_INFO_INIT_RA_LVL(h2c_pkt, si->init_ra_lv);
SET_RA_INFO_SGI_EN(h2c_pkt, si->sgi_enable);
SET_RA_INFO_BW_MODE(h2c_pkt, si->bw_mode);
SET_RA_INFO_LDPC(h2c_pkt, !!si->ldpc_en);
SET_RA_INFO_NO_UPDATE(h2c_pkt, !reset_ra_mask);
SET_RA_INFO_VHT_EN(h2c_pkt, si->vht_enable);
SET_RA_INFO_DIS_PT(h2c_pkt, disable_pt);
SET_RA_INFO_RA_MASK0(h2c_pkt, (si->ra_mask & 0xff));
SET_RA_INFO_RA_MASK1(h2c_pkt, (si->ra_mask & 0xff00) >> 8);
SET_RA_INFO_RA_MASK2(h2c_pkt, (si->ra_mask & 0xff0000) >> 16);
SET_RA_INFO_RA_MASK3(h2c_pkt, (si->ra_mask & 0xff000000) >> 24);
si->init_ra_lv = 0;
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
void rtw_fw_media_status_report(struct rtw_dev *rtwdev, u8 mac_id, bool connect)
{
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_MEDIA_STATUS_RPT);
MEDIA_STATUS_RPT_SET_OP_MODE(h2c_pkt, connect);
MEDIA_STATUS_RPT_SET_MACID(h2c_pkt, mac_id);
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
void rtw_fw_update_wl_phy_info(struct rtw_dev *rtwdev)
{
struct rtw_traffic_stats *stats = &rtwdev->stats;
struct rtw_dm_info *dm_info = &rtwdev->dm_info;
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_PHY_INFO);
SET_WL_PHY_INFO_TX_TP(h2c_pkt, stats->tx_throughput);
SET_WL_PHY_INFO_RX_TP(h2c_pkt, stats->rx_throughput);
SET_WL_PHY_INFO_TX_RATE_DESC(h2c_pkt, dm_info->tx_rate);
SET_WL_PHY_INFO_RX_RATE_DESC(h2c_pkt, dm_info->curr_rx_rate);
SET_WL_PHY_INFO_RX_EVM(h2c_pkt, dm_info->rx_evm_dbm[RF_PATH_A]);
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
void rtw_fw_beacon_filter_config(struct rtw_dev *rtwdev, bool connect,
struct ieee80211_vif *vif)
{
struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
struct ieee80211_sta *sta = ieee80211_find_sta(vif, bss_conf->bssid);
static const u8 rssi_min = 0, rssi_max = 100, rssi_offset = 100;
struct rtw_sta_info *si =
sta ? (struct rtw_sta_info *)sta->drv_priv : NULL;
s32 threshold = bss_conf->cqm_rssi_thold + rssi_offset;
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER))
return;
if (!connect) {
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1);
SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect);
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
return;
}
if (!si)
return;
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P0);
ether_addr_copy(&h2c_pkt[1], bss_conf->bssid);
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
memset(h2c_pkt, 0, sizeof(h2c_pkt));
threshold = clamp_t(s32, threshold, rssi_min, rssi_max);
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1);
SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect);
SET_BCN_FILTER_OFFLOAD_P1_OFFLOAD_MODE(h2c_pkt,
BCN_FILTER_OFFLOAD_MODE_DEFAULT);
SET_BCN_FILTER_OFFLOAD_P1_THRESHOLD(h2c_pkt, (u8)threshold);
SET_BCN_FILTER_OFFLOAD_P1_BCN_LOSS_CNT(h2c_pkt, BCN_LOSS_CNT);
SET_BCN_FILTER_OFFLOAD_P1_MACID(h2c_pkt, si->mac_id);
SET_BCN_FILTER_OFFLOAD_P1_HYST(h2c_pkt, bss_conf->cqm_rssi_hyst);
SET_BCN_FILTER_OFFLOAD_P1_BCN_INTERVAL(h2c_pkt, bss_conf->beacon_int);
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
void rtw_fw_set_pwr_mode(struct rtw_dev *rtwdev)
{
struct rtw_lps_conf *conf = &rtwdev->lps_conf;
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SET_PWR_MODE);
SET_PWR_MODE_SET_MODE(h2c_pkt, conf->mode);
SET_PWR_MODE_SET_RLBM(h2c_pkt, conf->rlbm);
SET_PWR_MODE_SET_SMART_PS(h2c_pkt, conf->smart_ps);
SET_PWR_MODE_SET_AWAKE_INTERVAL(h2c_pkt, conf->awake_interval);
SET_PWR_MODE_SET_PORT_ID(h2c_pkt, conf->port_id);
SET_PWR_MODE_SET_PWR_STATE(h2c_pkt, conf->state);
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
void rtw_fw_set_keep_alive_cmd(struct rtw_dev *rtwdev, bool enable)
{
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
struct rtw_fw_wow_keep_alive_para mode = {
.adopt = true,
.pkt_type = KEEP_ALIVE_NULL_PKT,
.period = 5,
};
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_KEEP_ALIVE);
SET_KEEP_ALIVE_ENABLE(h2c_pkt, enable);
SET_KEEP_ALIVE_ADOPT(h2c_pkt, mode.adopt);
SET_KEEP_ALIVE_PKT_TYPE(h2c_pkt, mode.pkt_type);
SET_KEEP_ALIVE_CHECK_PERIOD(h2c_pkt, mode.period);
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
void rtw_fw_set_disconnect_decision_cmd(struct rtw_dev *rtwdev, bool enable)
{
struct rtw_wow_param *rtw_wow = &rtwdev->wow;
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
struct rtw_fw_wow_disconnect_para mode = {
.adopt = true,
.period = 30,
.retry_count = 5,
};
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_DISCONNECT_DECISION);
if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) {
SET_DISCONNECT_DECISION_ENABLE(h2c_pkt, enable);
SET_DISCONNECT_DECISION_ADOPT(h2c_pkt, mode.adopt);
SET_DISCONNECT_DECISION_CHECK_PERIOD(h2c_pkt, mode.period);
SET_DISCONNECT_DECISION_TRY_PKT_NUM(h2c_pkt, mode.retry_count);
}
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
void rtw_fw_set_wowlan_ctrl_cmd(struct rtw_dev *rtwdev, bool enable)
{
struct rtw_wow_param *rtw_wow = &rtwdev->wow;
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WOWLAN);
SET_WOWLAN_FUNC_ENABLE(h2c_pkt, enable);
if (rtw_wow_mgd_linked(rtwdev)) {
if (test_bit(RTW_WOW_FLAG_EN_MAGIC_PKT, rtw_wow->flags))
SET_WOWLAN_MAGIC_PKT_ENABLE(h2c_pkt, enable);
if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags))
SET_WOWLAN_DEAUTH_WAKEUP_ENABLE(h2c_pkt, enable);
if (test_bit(RTW_WOW_FLAG_EN_REKEY_PKT, rtw_wow->flags))
SET_WOWLAN_REKEY_WAKEUP_ENABLE(h2c_pkt, enable);
if (rtw_wow->pattern_cnt)
SET_WOWLAN_PATTERN_MATCH_ENABLE(h2c_pkt, enable);
}
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
void rtw_fw_set_aoac_global_info_cmd(struct rtw_dev *rtwdev,
u8 pairwise_key_enc,
u8 group_key_enc)
{
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_AOAC_GLOBAL_INFO);
SET_AOAC_GLOBAL_INFO_PAIRWISE_ENC_ALG(h2c_pkt, pairwise_key_enc);
SET_AOAC_GLOBAL_INFO_GROUP_ENC_ALG(h2c_pkt, group_key_enc);
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
void rtw_fw_set_remote_wake_ctrl_cmd(struct rtw_dev *rtwdev, bool enable)
{
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_REMOTE_WAKE_CTRL);
SET_REMOTE_WAKECTRL_ENABLE(h2c_pkt, enable);
if (rtw_wow_no_link(rtwdev))
SET_REMOTE_WAKE_CTRL_NLO_OFFLOAD_EN(h2c_pkt, enable);
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
static u8 rtw_get_rsvd_page_location(struct rtw_dev *rtwdev,
enum rtw_rsvd_packet_type type)
{
struct rtw_rsvd_page *rsvd_pkt;
u8 location = 0;
list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
if (type == rsvd_pkt->type)
location = rsvd_pkt->page;
}
return location;
}
void rtw_fw_set_nlo_info(struct rtw_dev *rtwdev, bool enable)
{
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
u8 loc_nlo;
loc_nlo = rtw_get_rsvd_page_location(rtwdev, RSVD_NLO_INFO);
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_NLO_INFO);
SET_NLO_FUN_EN(h2c_pkt, enable);
if (enable) {
if (rtw_get_lps_deep_mode(rtwdev) != LPS_DEEP_MODE_NONE)
SET_NLO_PS_32K(h2c_pkt, enable);
SET_NLO_IGNORE_SECURITY(h2c_pkt, enable);
SET_NLO_LOC_NLO_INFO(h2c_pkt, loc_nlo);
}
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
void rtw_fw_set_recover_bt_device(struct rtw_dev *rtwdev)
{
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RECOVER_BT_DEV);
SET_RECOVER_BT_DEV_EN(h2c_pkt, 1);
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
void rtw_fw_set_pg_info(struct rtw_dev *rtwdev)
{
struct rtw_lps_conf *conf = &rtwdev->lps_conf;
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
u8 loc_pg, loc_dpk;
loc_pg = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_INFO);
loc_dpk = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_DPK);
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_LPS_PG_INFO);
LPS_PG_INFO_LOC(h2c_pkt, loc_pg);
LPS_PG_DPK_LOC(h2c_pkt, loc_dpk);
LPS_PG_SEC_CAM_EN(h2c_pkt, conf->sec_cam_backup);
LPS_PG_PATTERN_CAM_EN(h2c_pkt, conf->pattern_cam_backup);
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
static u8 rtw_get_rsvd_page_probe_req_location(struct rtw_dev *rtwdev,
struct cfg80211_ssid *ssid)
{
struct rtw_rsvd_page *rsvd_pkt;
u8 location = 0;
list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
if (rsvd_pkt->type != RSVD_PROBE_REQ)
continue;
if ((!ssid && !rsvd_pkt->ssid) ||
rtw_ssid_equal(rsvd_pkt->ssid, ssid))
location = rsvd_pkt->page;
}
return location;
}
static u16 rtw_get_rsvd_page_probe_req_size(struct rtw_dev *rtwdev,
struct cfg80211_ssid *ssid)
{
struct rtw_rsvd_page *rsvd_pkt;
u16 size = 0;
list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
if (rsvd_pkt->type != RSVD_PROBE_REQ)
continue;
if ((!ssid && !rsvd_pkt->ssid) ||
rtw_ssid_equal(rsvd_pkt->ssid, ssid))
size = rsvd_pkt->probe_req_size;
}
return size;
}
void rtw_send_rsvd_page_h2c(struct rtw_dev *rtwdev)
{
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
u8 location = 0;
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSVD_PAGE);
location = rtw_get_rsvd_page_location(rtwdev, RSVD_PROBE_RESP);
*(h2c_pkt + 1) = location;
rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PROBE_RESP loc: %d\n", location);
location = rtw_get_rsvd_page_location(rtwdev, RSVD_PS_POLL);
*(h2c_pkt + 2) = location;
rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PS_POLL loc: %d\n", location);
location = rtw_get_rsvd_page_location(rtwdev, RSVD_NULL);
*(h2c_pkt + 3) = location;
rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_NULL loc: %d\n", location);
location = rtw_get_rsvd_page_location(rtwdev, RSVD_QOS_NULL);
*(h2c_pkt + 4) = location;
rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_QOS_NULL loc: %d\n", location);
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
static struct sk_buff *rtw_nlo_info_get(struct ieee80211_hw *hw)
{
struct rtw_dev *rtwdev = hw->priv;
const struct rtw_chip_info *chip = rtwdev->chip;
struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req;
struct rtw_nlo_info_hdr *nlo_hdr;
struct cfg80211_ssid *ssid;
struct sk_buff *skb;
u8 *pos, loc;
u32 size;
int i;
if (!pno_req->inited || !pno_req->match_set_cnt)
return NULL;
size = sizeof(struct rtw_nlo_info_hdr) + pno_req->match_set_cnt *
IEEE80211_MAX_SSID_LEN + chip->tx_pkt_desc_sz;
skb = alloc_skb(size, GFP_KERNEL);
if (!skb)
return NULL;
skb_reserve(skb, chip->tx_pkt_desc_sz);
nlo_hdr = skb_put_zero(skb, sizeof(struct rtw_nlo_info_hdr));
nlo_hdr->nlo_count = pno_req->match_set_cnt;
nlo_hdr->hidden_ap_count = pno_req->match_set_cnt;
/* pattern check for firmware */
memset(nlo_hdr->pattern_check, 0xA5, FW_NLO_INFO_CHECK_SIZE);
for (i = 0; i < pno_req->match_set_cnt; i++)
nlo_hdr->ssid_len[i] = pno_req->match_sets[i].ssid.ssid_len;
for (i = 0; i < pno_req->match_set_cnt; i++) {
ssid = &pno_req->match_sets[i].ssid;
loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid);
if (!loc) {
rtw_err(rtwdev, "failed to get probe req rsvd loc\n");
kfree_skb(skb);
return NULL;
}
nlo_hdr->location[i] = loc;
}
for (i = 0; i < pno_req->match_set_cnt; i++) {
pos = skb_put_zero(skb, IEEE80211_MAX_SSID_LEN);
memcpy(pos, pno_req->match_sets[i].ssid.ssid,
pno_req->match_sets[i].ssid.ssid_len);
}
return skb;
}
static struct sk_buff *rtw_cs_channel_info_get(struct ieee80211_hw *hw)
{
struct rtw_dev *rtwdev = hw->priv;
const struct rtw_chip_info *chip = rtwdev->chip;
struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req;
struct ieee80211_channel *channels = pno_req->channels;
struct sk_buff *skb;
int count = pno_req->channel_cnt;
u8 *pos;
int i = 0;
skb = alloc_skb(4 * count + chip->tx_pkt_desc_sz, GFP_KERNEL);
if (!skb)
return NULL;
skb_reserve(skb, chip->tx_pkt_desc_sz);
for (i = 0; i < count; i++) {
pos = skb_put_zero(skb, 4);
CHSW_INFO_SET_CH(pos, channels[i].hw_value);
if (channels[i].flags & IEEE80211_CHAN_RADAR)
CHSW_INFO_SET_ACTION_ID(pos, 0);
else
CHSW_INFO_SET_ACTION_ID(pos, 1);
CHSW_INFO_SET_TIMEOUT(pos, 1);
CHSW_INFO_SET_PRI_CH_IDX(pos, 1);
CHSW_INFO_SET_BW(pos, 0);
}
return skb;
}
static struct sk_buff *rtw_lps_pg_dpk_get(struct ieee80211_hw *hw)
{
struct rtw_dev *rtwdev = hw->priv;
const struct rtw_chip_info *chip = rtwdev->chip;
struct rtw_dpk_info *dpk_info = &rtwdev->dm_info.dpk_info;
struct rtw_lps_pg_dpk_hdr *dpk_hdr;
struct sk_buff *skb;
u32 size;
size = chip->tx_pkt_desc_sz + sizeof(*dpk_hdr);
skb = alloc_skb(size, GFP_KERNEL);
if (!skb)
return NULL;
skb_reserve(skb, chip->tx_pkt_desc_sz);
dpk_hdr = skb_put_zero(skb, sizeof(*dpk_hdr));
dpk_hdr->dpk_ch = dpk_info->dpk_ch;
dpk_hdr->dpk_path_ok = dpk_info->dpk_path_ok[0];
memcpy(dpk_hdr->dpk_txagc, dpk_info->dpk_txagc, 2);
memcpy(dpk_hdr->dpk_gs, dpk_info->dpk_gs, 4);
memcpy(dpk_hdr->coef, dpk_info->coef, 160);
return skb;
}
static struct sk_buff *rtw_lps_pg_info_get(struct ieee80211_hw *hw)
{
struct rtw_dev *rtwdev = hw->priv;
const struct rtw_chip_info *chip = rtwdev->chip;
struct rtw_lps_conf *conf = &rtwdev->lps_conf;
struct rtw_lps_pg_info_hdr *pg_info_hdr;
struct rtw_wow_param *rtw_wow = &rtwdev->wow;
struct sk_buff *skb;
u32 size;
size = chip->tx_pkt_desc_sz + sizeof(*pg_info_hdr);
skb = alloc_skb(size, GFP_KERNEL);
if (!skb)
return NULL;
skb_reserve(skb, chip->tx_pkt_desc_sz);
pg_info_hdr = skb_put_zero(skb, sizeof(*pg_info_hdr));
pg_info_hdr->tx_bu_page_count = rtwdev->fifo.rsvd_drv_pg_num;
pg_info_hdr->macid = find_first_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM);
pg_info_hdr->sec_cam_count =
rtw_sec_cam_pg_backup(rtwdev, pg_info_hdr->sec_cam);
pg_info_hdr->pattern_count = rtw_wow->pattern_cnt;
conf->sec_cam_backup = pg_info_hdr->sec_cam_count != 0;
conf->pattern_cam_backup = rtw_wow->pattern_cnt != 0;
return skb;
}
static struct sk_buff *rtw_get_rsvd_page_skb(struct ieee80211_hw *hw,
struct rtw_rsvd_page *rsvd_pkt)
{
struct ieee80211_vif *vif;
struct rtw_vif *rtwvif;
struct sk_buff *skb_new;
struct cfg80211_ssid *ssid;
u16 tim_offset = 0;
if (rsvd_pkt->type == RSVD_DUMMY) {
skb_new = alloc_skb(1, GFP_KERNEL);
if (!skb_new)
return NULL;
skb_put(skb_new, 1);
return skb_new;
}
rtwvif = rsvd_pkt->rtwvif;
if (!rtwvif)
return NULL;
vif = rtwvif_to_vif(rtwvif);
switch (rsvd_pkt->type) {
case RSVD_BEACON:
skb_new = ieee80211_beacon_get_tim(hw, vif, &tim_offset, NULL, 0);
rsvd_pkt->tim_offset = tim_offset;
break;
case RSVD_PS_POLL:
skb_new = ieee80211_pspoll_get(hw, vif);
break;
case RSVD_PROBE_RESP:
skb_new = ieee80211_proberesp_get(hw, vif);
break;
case RSVD_NULL:
skb_new = ieee80211_nullfunc_get(hw, vif, -1, false);
break;
case RSVD_QOS_NULL:
skb_new = ieee80211_nullfunc_get(hw, vif, -1, true);
break;
case RSVD_LPS_PG_DPK:
skb_new = rtw_lps_pg_dpk_get(hw);
break;
case RSVD_LPS_PG_INFO:
skb_new = rtw_lps_pg_info_get(hw);
break;
case RSVD_PROBE_REQ:
ssid = (struct cfg80211_ssid *)rsvd_pkt->ssid;
if (ssid)
skb_new = ieee80211_probereq_get(hw, vif->addr,
ssid->ssid,
ssid->ssid_len, 0);
else
skb_new = ieee80211_probereq_get(hw, vif->addr, NULL, 0, 0);
if (skb_new)
rsvd_pkt->probe_req_size = (u16)skb_new->len;
break;
case RSVD_NLO_INFO:
skb_new = rtw_nlo_info_get(hw);
break;
case RSVD_CH_INFO:
skb_new = rtw_cs_channel_info_get(hw);
break;
default:
return NULL;
}
if (!skb_new)
return NULL;
return skb_new;
}
static void rtw_fill_rsvd_page_desc(struct rtw_dev *rtwdev, struct sk_buff *skb,
enum rtw_rsvd_packet_type type)
{
struct rtw_tx_pkt_info pkt_info = {0};
const struct rtw_chip_info *chip = rtwdev->chip;
u8 *pkt_desc;
rtw_tx_rsvd_page_pkt_info_update(rtwdev, &pkt_info, skb, type);
pkt_desc = skb_push(skb, chip->tx_pkt_desc_sz);
memset(pkt_desc, 0, chip->tx_pkt_desc_sz);
rtw_tx_fill_tx_desc(&pkt_info, skb);
}
static inline u8 rtw_len_to_page(unsigned int len, u8 page_size)
{
return DIV_ROUND_UP(len, page_size);
}
static void rtw_rsvd_page_list_to_buf(struct rtw_dev *rtwdev, u8 page_size,
u8 page_margin, u32 page, u8 *buf,
struct rtw_rsvd_page *rsvd_pkt)
{
struct sk_buff *skb = rsvd_pkt->skb;
if (page >= 1)
memcpy(buf + page_margin + page_size * (page - 1),
skb->data, skb->len);
else
memcpy(buf, skb->data, skb->len);
}
static struct rtw_rsvd_page *rtw_alloc_rsvd_page(struct rtw_dev *rtwdev,
enum rtw_rsvd_packet_type type,
bool txdesc)
{
struct rtw_rsvd_page *rsvd_pkt = NULL;
rsvd_pkt = kzalloc(sizeof(*rsvd_pkt), GFP_KERNEL);
if (!rsvd_pkt)
return NULL;
INIT_LIST_HEAD(&rsvd_pkt->vif_list);
INIT_LIST_HEAD(&rsvd_pkt->build_list);
rsvd_pkt->type = type;
rsvd_pkt->add_txdesc = txdesc;
return rsvd_pkt;
}
static void rtw_insert_rsvd_page(struct rtw_dev *rtwdev,
struct rtw_vif *rtwvif,
struct rtw_rsvd_page *rsvd_pkt)
{
lockdep_assert_held(&rtwdev->mutex);
list_add_tail(&rsvd_pkt->vif_list, &rtwvif->rsvd_page_list);
}
static void rtw_add_rsvd_page(struct rtw_dev *rtwdev,
struct rtw_vif *rtwvif,
enum rtw_rsvd_packet_type type,
bool txdesc)
{
struct rtw_rsvd_page *rsvd_pkt;
rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, type, txdesc);
if (!rsvd_pkt) {
rtw_err(rtwdev, "failed to alloc rsvd page %d\n", type);
return;
}
rsvd_pkt->rtwvif = rtwvif;
rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt);
}
static void rtw_add_rsvd_page_probe_req(struct rtw_dev *rtwdev,
struct rtw_vif *rtwvif,
struct cfg80211_ssid *ssid)
{
struct rtw_rsvd_page *rsvd_pkt;
rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_PROBE_REQ, true);
if (!rsvd_pkt) {
rtw_err(rtwdev, "failed to alloc probe req rsvd page\n");
return;
}
rsvd_pkt->rtwvif = rtwvif;
rsvd_pkt->ssid = ssid;
rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt);
}
void rtw_remove_rsvd_page(struct rtw_dev *rtwdev,
struct rtw_vif *rtwvif)
{
struct rtw_rsvd_page *rsvd_pkt, *tmp;
lockdep_assert_held(&rtwdev->mutex);
/* remove all of the rsvd pages for vif */
list_for_each_entry_safe(rsvd_pkt, tmp, &rtwvif->rsvd_page_list,
vif_list) {
list_del(&rsvd_pkt->vif_list);
if (!list_empty(&rsvd_pkt->build_list))
list_del(&rsvd_pkt->build_list);
kfree(rsvd_pkt);
}
}
void rtw_add_rsvd_page_bcn(struct rtw_dev *rtwdev,
struct rtw_vif *rtwvif)
{
struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
if (vif->type != NL80211_IFTYPE_AP &&
vif->type != NL80211_IFTYPE_ADHOC &&
vif->type != NL80211_IFTYPE_MESH_POINT) {
rtw_warn(rtwdev, "Cannot add beacon rsvd page for %d\n",
vif->type);
return;
}
rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_BEACON, false);
}
void rtw_add_rsvd_page_pno(struct rtw_dev *rtwdev,
struct rtw_vif *rtwvif)
{
struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
struct rtw_wow_param *rtw_wow = &rtwdev->wow;
struct rtw_pno_request *rtw_pno_req = &rtw_wow->pno_req;
struct cfg80211_ssid *ssid;
int i;
if (vif->type != NL80211_IFTYPE_STATION) {
rtw_warn(rtwdev, "Cannot add PNO rsvd page for %d\n",
vif->type);
return;
}
for (i = 0 ; i < rtw_pno_req->match_set_cnt; i++) {
ssid = &rtw_pno_req->match_sets[i].ssid;
rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, ssid);
}
rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, NULL);
rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NLO_INFO, false);
rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_CH_INFO, true);
}
void rtw_add_rsvd_page_sta(struct rtw_dev *rtwdev,
struct rtw_vif *rtwvif)
{
struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
if (vif->type != NL80211_IFTYPE_STATION) {
rtw_warn(rtwdev, "Cannot add sta rsvd page for %d\n",
vif->type);
return;
}
rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_PS_POLL, true);
rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_QOS_NULL, true);
rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NULL, true);
rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_DPK, true);
rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_INFO, true);
}
int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr,
u8 *buf, u32 size)
{
u8 bckp[2];
u8 val;
u16 rsvd_pg_head;
u32 bcn_valid_addr;
u32 bcn_valid_mask;
int ret;
lockdep_assert_held(&rtwdev->mutex);
if (!size)
return -EINVAL;
if (rtw_chip_wcpu_11n(rtwdev)) {
rtw_write32_set(rtwdev, REG_DWBCN0_CTRL, BIT_BCN_VALID);
} else {
pg_addr &= BIT_MASK_BCN_HEAD_1_V1;
pg_addr |= BIT_BCN_VALID_V1;
rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, pg_addr);
}
val = rtw_read8(rtwdev, REG_CR + 1);
bckp[0] = val;
val |= BIT_ENSWBCN >> 8;
rtw_write8(rtwdev, REG_CR + 1, val);
val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2);
bckp[1] = val;
val &= ~(BIT_EN_BCNQ_DL >> 16);
rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val);
ret = rtw_hci_write_data_rsvd_page(rtwdev, buf, size);
if (ret) {
rtw_err(rtwdev, "failed to write data to rsvd page\n");
goto restore;
}
if (rtw_chip_wcpu_11n(rtwdev)) {
bcn_valid_addr = REG_DWBCN0_CTRL;
bcn_valid_mask = BIT_BCN_VALID;
} else {
bcn_valid_addr = REG_FIFOPAGE_CTRL_2;
bcn_valid_mask = BIT_BCN_VALID_V1;
}
if (!check_hw_ready(rtwdev, bcn_valid_addr, bcn_valid_mask, 1)) {
rtw_err(rtwdev, "error beacon valid\n");
ret = -EBUSY;
}
restore:
rsvd_pg_head = rtwdev->fifo.rsvd_boundary;
rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2,
rsvd_pg_head | BIT_BCN_VALID_V1);
rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]);
rtw_write8(rtwdev, REG_CR + 1, bckp[0]);
return ret;
}
static int rtw_download_drv_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size)
{
u32 pg_size;
u32 pg_num = 0;
u16 pg_addr = 0;
pg_size = rtwdev->chip->page_size;
pg_num = size / pg_size + ((size & (pg_size - 1)) ? 1 : 0);
if (pg_num > rtwdev->fifo.rsvd_drv_pg_num)
return -ENOMEM;
pg_addr = rtwdev->fifo.rsvd_drv_addr;
return rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, size);
}
static void __rtw_build_rsvd_page_reset(struct rtw_dev *rtwdev)
{
struct rtw_rsvd_page *rsvd_pkt, *tmp;
list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list,
build_list) {
list_del_init(&rsvd_pkt->build_list);
/* Don't free except for the dummy rsvd page,
* others will be freed when removing vif
*/
if (rsvd_pkt->type == RSVD_DUMMY)
kfree(rsvd_pkt);
}
}
static void rtw_build_rsvd_page_iter(void *data, u8 *mac,
struct ieee80211_vif *vif)
{
struct rtw_dev *rtwdev = data;
struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
struct rtw_rsvd_page *rsvd_pkt;
list_for_each_entry(rsvd_pkt, &rtwvif->rsvd_page_list, vif_list) {
if (rsvd_pkt->type == RSVD_BEACON)
list_add(&rsvd_pkt->build_list,
&rtwdev->rsvd_page_list);
else
list_add_tail(&rsvd_pkt->build_list,
&rtwdev->rsvd_page_list);
}
}
static int __rtw_build_rsvd_page_from_vifs(struct rtw_dev *rtwdev)
{
struct rtw_rsvd_page *rsvd_pkt;
__rtw_build_rsvd_page_reset(rtwdev);
/* gather rsvd page from vifs */
rtw_iterate_vifs_atomic(rtwdev, rtw_build_rsvd_page_iter, rtwdev);
rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list,
struct rtw_rsvd_page, build_list);
if (!rsvd_pkt) {
WARN(1, "Should not have an empty reserved page\n");
return -EINVAL;
}
/* the first rsvd should be beacon, otherwise add a dummy one */
if (rsvd_pkt->type != RSVD_BEACON) {
struct rtw_rsvd_page *dummy_pkt;
dummy_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_DUMMY, false);
if (!dummy_pkt) {
rtw_err(rtwdev, "failed to alloc dummy rsvd page\n");
return -ENOMEM;
}
list_add(&dummy_pkt->build_list, &rtwdev->rsvd_page_list);
}
return 0;
}
static u8 *rtw_build_rsvd_page(struct rtw_dev *rtwdev, u32 *size)
{
struct ieee80211_hw *hw = rtwdev->hw;
const struct rtw_chip_info *chip = rtwdev->chip;
struct sk_buff *iter;
struct rtw_rsvd_page *rsvd_pkt;
u32 page = 0;
u8 total_page = 0;
u8 page_size, page_margin, tx_desc_sz;
u8 *buf;
int ret;
page_size = chip->page_size;
tx_desc_sz = chip->tx_pkt_desc_sz;
page_margin = page_size - tx_desc_sz;
ret = __rtw_build_rsvd_page_from_vifs(rtwdev);
if (ret) {
rtw_err(rtwdev,
"failed to build rsvd page from vifs, ret %d\n", ret);
return NULL;
}
list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
iter = rtw_get_rsvd_page_skb(hw, rsvd_pkt);
if (!iter) {
rtw_err(rtwdev, "failed to build rsvd packet\n");
goto release_skb;
}
/* Fill the tx_desc for the rsvd pkt that requires one.
* And iter->len will be added with size of tx_desc_sz.
*/
if (rsvd_pkt->add_txdesc)
rtw_fill_rsvd_page_desc(rtwdev, iter, rsvd_pkt->type);
rsvd_pkt->skb = iter;
rsvd_pkt->page = total_page;
/* Reserved page is downloaded via TX path, and TX path will
* generate a tx_desc at the header to describe length of
* the buffer. If we are not counting page numbers with the
* size of tx_desc added at the first rsvd_pkt (usually a
* beacon, firmware default refer to the first page as the
* content of beacon), we could generate a buffer which size
* is smaller than the actual size of the whole rsvd_page
*/
if (total_page == 0) {
if (rsvd_pkt->type != RSVD_BEACON &&
rsvd_pkt->type != RSVD_DUMMY) {
rtw_err(rtwdev, "first page should be a beacon\n");
goto release_skb;
}
total_page += rtw_len_to_page(iter->len + tx_desc_sz,
page_size);
} else {
total_page += rtw_len_to_page(iter->len, page_size);
}
}
if (total_page > rtwdev->fifo.rsvd_drv_pg_num) {
rtw_err(rtwdev, "rsvd page over size: %d\n", total_page);
goto release_skb;
}
*size = (total_page - 1) * page_size + page_margin;
buf = kzalloc(*size, GFP_KERNEL);
if (!buf)
goto release_skb;
/* Copy the content of each rsvd_pkt to the buf, and they should
* be aligned to the pages.
*
* Note that the first rsvd_pkt is a beacon no matter what vif->type.
* And that rsvd_pkt does not require tx_desc because when it goes
* through TX path, the TX path will generate one for it.
*/
list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
rtw_rsvd_page_list_to_buf(rtwdev, page_size, page_margin,
page, buf, rsvd_pkt);
if (page == 0)
page += rtw_len_to_page(rsvd_pkt->skb->len +
tx_desc_sz, page_size);
else
page += rtw_len_to_page(rsvd_pkt->skb->len, page_size);
kfree_skb(rsvd_pkt->skb);
rsvd_pkt->skb = NULL;
}
return buf;
release_skb:
list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
kfree_skb(rsvd_pkt->skb);
rsvd_pkt->skb = NULL;
}
return NULL;
}
static int rtw_download_beacon(struct rtw_dev *rtwdev)
{
struct ieee80211_hw *hw = rtwdev->hw;
struct rtw_rsvd_page *rsvd_pkt;
struct sk_buff *skb;
int ret = 0;
rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list,
struct rtw_rsvd_page, build_list);
if (!rsvd_pkt) {
rtw_err(rtwdev, "failed to get rsvd page from build list\n");
return -ENOENT;
}
if (rsvd_pkt->type != RSVD_BEACON &&
rsvd_pkt->type != RSVD_DUMMY) {
rtw_err(rtwdev, "invalid rsvd page type %d, should be beacon or dummy\n",
rsvd_pkt->type);
return -EINVAL;
}
skb = rtw_get_rsvd_page_skb(hw, rsvd_pkt);
if (!skb) {
rtw_err(rtwdev, "failed to get beacon skb\n");
return -ENOMEM;
}
ret = rtw_download_drv_rsvd_page(rtwdev, skb->data, skb->len);
if (ret)
rtw_err(rtwdev, "failed to download drv rsvd page\n");
dev_kfree_skb(skb);
return ret;
}
int rtw_fw_download_rsvd_page(struct rtw_dev *rtwdev)
{
u8 *buf;
u32 size;
int ret;
buf = rtw_build_rsvd_page(rtwdev, &size);
if (!buf) {
rtw_err(rtwdev, "failed to build rsvd page pkt\n");
return -ENOMEM;
}
ret = rtw_download_drv_rsvd_page(rtwdev, buf, size);
if (ret) {
rtw_err(rtwdev, "failed to download drv rsvd page\n");
goto free;
}
/* The last thing is to download the *ONLY* beacon again, because
* the previous tx_desc is to describe the total rsvd page. Download
* the beacon again to replace the TX desc header, and we will get
* a correct tx_desc for the beacon in the rsvd page.
*/
ret = rtw_download_beacon(rtwdev);
if (ret) {
rtw_err(rtwdev, "failed to download beacon\n");
goto free;
}
free:
kfree(buf);
return ret;
}
void rtw_fw_update_beacon_work(struct work_struct *work)
{
struct rtw_dev *rtwdev = container_of(work, struct rtw_dev,
update_beacon_work);
mutex_lock(&rtwdev->mutex);
rtw_fw_download_rsvd_page(rtwdev);
mutex_unlock(&rtwdev->mutex);
}
static void rtw_fw_read_fifo_page(struct rtw_dev *rtwdev, u32 offset, u32 size,
u32 *buf, u32 residue, u16 start_pg)
{
u32 i;
u16 idx = 0;
u16 ctl;
ctl = rtw_read16(rtwdev, REG_PKTBUF_DBG_CTRL) & 0xf000;
/* disable rx clock gate */
rtw_write32_set(rtwdev, REG_RCR, BIT_DISGCLK);
do {
rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, start_pg | ctl);
for (i = FIFO_DUMP_ADDR + residue;
i < FIFO_DUMP_ADDR + FIFO_PAGE_SIZE; i += 4) {
buf[idx++] = rtw_read32(rtwdev, i);
size -= 4;
if (size == 0)
goto out;
}
residue = 0;
start_pg++;
} while (size);
out:
rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, ctl);
/* restore rx clock gate */
rtw_write32_clr(rtwdev, REG_RCR, BIT_DISGCLK);
}
static void rtw_fw_read_fifo(struct rtw_dev *rtwdev, enum rtw_fw_fifo_sel sel,
u32 offset, u32 size, u32 *buf)
{
const struct rtw_chip_info *chip = rtwdev->chip;
u32 start_pg, residue;
if (sel >= RTW_FW_FIFO_MAX) {
rtw_dbg(rtwdev, RTW_DBG_FW, "wrong fw fifo sel\n");
return;
}
if (sel == RTW_FW_FIFO_SEL_RSVD_PAGE)
offset += rtwdev->fifo.rsvd_boundary << TX_PAGE_SIZE_SHIFT;
residue = offset & (FIFO_PAGE_SIZE - 1);
start_pg = (offset >> FIFO_PAGE_SIZE_SHIFT) + chip->fw_fifo_addr[sel];
rtw_fw_read_fifo_page(rtwdev, offset, size, buf, residue, start_pg);
}
static bool rtw_fw_dump_check_size(struct rtw_dev *rtwdev,
enum rtw_fw_fifo_sel sel,
u32 start_addr, u32 size)
{
switch (sel) {
case RTW_FW_FIFO_SEL_TX:
case RTW_FW_FIFO_SEL_RX:
if ((start_addr + size) > rtwdev->chip->fw_fifo_addr[sel])
return false;
fallthrough;
default:
return true;
}
}
int rtw_fw_dump_fifo(struct rtw_dev *rtwdev, u8 fifo_sel, u32 addr, u32 size,
u32 *buffer)
{
if (!rtwdev->chip->fw_fifo_addr[0]) {
rtw_dbg(rtwdev, RTW_DBG_FW, "chip not support dump fw fifo\n");
return -ENOTSUPP;
}
if (size == 0 || !buffer)
return -EINVAL;
if (size & 0x3) {
rtw_dbg(rtwdev, RTW_DBG_FW, "not 4byte alignment\n");
return -EINVAL;
}
if (!rtw_fw_dump_check_size(rtwdev, fifo_sel, addr, size)) {
rtw_dbg(rtwdev, RTW_DBG_FW, "fw fifo dump size overflow\n");
return -EINVAL;
}
rtw_fw_read_fifo(rtwdev, fifo_sel, addr, size, buffer);
return 0;
}
static void __rtw_fw_update_pkt(struct rtw_dev *rtwdev, u8 pkt_id, u16 size,
u8 location)
{
const struct rtw_chip_info *chip = rtwdev->chip;
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_UPDATE_PKT_LEN;
rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_UPDATE_PKT);
SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
UPDATE_PKT_SET_PKT_ID(h2c_pkt, pkt_id);
UPDATE_PKT_SET_LOCATION(h2c_pkt, location);
/* include txdesc size */
size += chip->tx_pkt_desc_sz;
UPDATE_PKT_SET_SIZE(h2c_pkt, size);
rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
}
void rtw_fw_update_pkt_probe_req(struct rtw_dev *rtwdev,
struct cfg80211_ssid *ssid)
{
u8 loc;
u16 size;
loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid);
if (!loc) {
rtw_err(rtwdev, "failed to get probe_req rsvd loc\n");
return;
}
size = rtw_get_rsvd_page_probe_req_size(rtwdev, ssid);
if (!size) {
rtw_err(rtwdev, "failed to get probe_req rsvd size\n");
return;
}
__rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, size, loc);
}
void rtw_fw_channel_switch(struct rtw_dev *rtwdev, bool enable)
{
struct rtw_pno_request *rtw_pno_req = &rtwdev->wow.pno_req;
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_CH_SWITCH_LEN;
u8 loc_ch_info;
const struct rtw_ch_switch_option cs_option = {
.dest_ch_en = 1,
.dest_ch = 1,
.periodic_option = 2,
.normal_period = 5,
.normal_period_sel = 0,
.normal_cycle = 10,
.slow_period = 1,
.slow_period_sel = 1,
};
rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_CH_SWITCH);
SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
CH_SWITCH_SET_START(h2c_pkt, enable);
CH_SWITCH_SET_DEST_CH_EN(h2c_pkt, cs_option.dest_ch_en);
CH_SWITCH_SET_DEST_CH(h2c_pkt, cs_option.dest_ch);
CH_SWITCH_SET_NORMAL_PERIOD(h2c_pkt, cs_option.normal_period);
CH_SWITCH_SET_NORMAL_PERIOD_SEL(h2c_pkt, cs_option.normal_period_sel);
CH_SWITCH_SET_SLOW_PERIOD(h2c_pkt, cs_option.slow_period);
CH_SWITCH_SET_SLOW_PERIOD_SEL(h2c_pkt, cs_option.slow_period_sel);
CH_SWITCH_SET_NORMAL_CYCLE(h2c_pkt, cs_option.normal_cycle);
CH_SWITCH_SET_PERIODIC_OPT(h2c_pkt, cs_option.periodic_option);
CH_SWITCH_SET_CH_NUM(h2c_pkt, rtw_pno_req->channel_cnt);
CH_SWITCH_SET_INFO_SIZE(h2c_pkt, rtw_pno_req->channel_cnt * 4);
loc_ch_info = rtw_get_rsvd_page_location(rtwdev, RSVD_CH_INFO);
CH_SWITCH_SET_INFO_LOC(h2c_pkt, loc_ch_info);
rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
}
void rtw_fw_adaptivity(struct rtw_dev *rtwdev)
{
struct rtw_dm_info *dm_info = &rtwdev->dm_info;
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
if (!rtw_edcca_enabled) {
dm_info->edcca_mode = RTW_EDCCA_NORMAL;
rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY,
"EDCCA disabled by debugfs\n");
}
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_ADAPTIVITY);
SET_ADAPTIVITY_MODE(h2c_pkt, dm_info->edcca_mode);
SET_ADAPTIVITY_OPTION(h2c_pkt, 1);
SET_ADAPTIVITY_IGI(h2c_pkt, dm_info->igi_history[0]);
SET_ADAPTIVITY_L2H(h2c_pkt, dm_info->l2h_th_ini);
SET_ADAPTIVITY_DENSITY(h2c_pkt, dm_info->scan_density);
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
void rtw_fw_scan_notify(struct rtw_dev *rtwdev, bool start)
{
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SCAN);
SET_SCAN_START(h2c_pkt, start);
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
static int rtw_append_probe_req_ie(struct rtw_dev *rtwdev, struct sk_buff *skb,
struct sk_buff_head *list, u8 *bands,
struct rtw_vif *rtwvif)
{
const struct rtw_chip_info *chip = rtwdev->chip;
struct ieee80211_scan_ies *ies = rtwvif->scan_ies;
struct sk_buff *new;
u8 idx;
for (idx = NL80211_BAND_2GHZ; idx < NUM_NL80211_BANDS; idx++) {
if (!(BIT(idx) & chip->band))
continue;
new = skb_copy(skb, GFP_KERNEL);
if (!new)
return -ENOMEM;
skb_put_data(new, ies->ies[idx], ies->len[idx]);
skb_put_data(new, ies->common_ies, ies->common_ie_len);
skb_queue_tail(list, new);
(*bands)++;
}
return 0;
}
static int _rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, u8 num_probes,
struct sk_buff_head *probe_req_list)
{
const struct rtw_chip_info *chip = rtwdev->chip;
struct sk_buff *skb, *tmp;
u8 page_offset = 1, *buf, page_size = chip->page_size;
u16 pg_addr = rtwdev->fifo.rsvd_h2c_info_addr, loc;
u16 buf_offset = page_size * page_offset;
u8 tx_desc_sz = chip->tx_pkt_desc_sz;
u8 page_cnt, pages;
unsigned int pkt_len;
int ret;
if (rtw_fw_feature_ext_check(&rtwdev->fw, FW_FEATURE_EXT_OLD_PAGE_NUM))
page_cnt = RTW_OLD_PROBE_PG_CNT;
else
page_cnt = RTW_PROBE_PG_CNT;
pages = page_offset + num_probes * page_cnt;
buf = kzalloc(page_size * pages, GFP_KERNEL);
if (!buf)
return -ENOMEM;
buf_offset -= tx_desc_sz;
skb_queue_walk_safe(probe_req_list, skb, tmp) {
skb_unlink(skb, probe_req_list);
rtw_fill_rsvd_page_desc(rtwdev, skb, RSVD_PROBE_REQ);
if (skb->len > page_size * page_cnt) {
ret = -EINVAL;
goto out;
}
memcpy(buf + buf_offset, skb->data, skb->len);
pkt_len = skb->len - tx_desc_sz;
loc = pg_addr - rtwdev->fifo.rsvd_boundary + page_offset;
__rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, pkt_len, loc);
buf_offset += page_cnt * page_size;
page_offset += page_cnt;
kfree_skb(skb);
}
ret = rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, buf_offset);
if (ret) {
rtw_err(rtwdev, "Download probe request to firmware failed\n");
goto out;
}
rtwdev->scan_info.probe_pg_size = page_offset;
out:
kfree(buf);
skb_queue_walk_safe(probe_req_list, skb, tmp)
kfree_skb(skb);
return ret;
}
static int rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev,
struct rtw_vif *rtwvif)
{
struct cfg80211_scan_request *req = rtwvif->scan_req;
struct sk_buff_head list;
struct sk_buff *skb, *tmp;
u8 num = req->n_ssids, i, bands = 0;
int ret;
skb_queue_head_init(&list);
for (i = 0; i < num; i++) {
skb = ieee80211_probereq_get(rtwdev->hw, rtwvif->mac_addr,
req->ssids[i].ssid,
req->ssids[i].ssid_len,
req->ie_len);
if (!skb) {
ret = -ENOMEM;
goto out;
}
ret = rtw_append_probe_req_ie(rtwdev, skb, &list, &bands,
rtwvif);
if (ret)
goto out;
kfree_skb(skb);
}
return _rtw_hw_scan_update_probe_req(rtwdev, num * bands, &list);
out:
skb_queue_walk_safe(&list, skb, tmp)
kfree_skb(skb);
return ret;
}
static int rtw_add_chan_info(struct rtw_dev *rtwdev, struct rtw_chan_info *info,
struct rtw_chan_list *list, u8 *buf)
{
u8 *chan = &buf[list->size];
u8 info_size = RTW_CH_INFO_SIZE;
if (list->size > list->buf_size)
return -ENOMEM;
CH_INFO_SET_CH(chan, info->channel);
CH_INFO_SET_PRI_CH_IDX(chan, info->pri_ch_idx);
CH_INFO_SET_BW(chan, info->bw);
CH_INFO_SET_TIMEOUT(chan, info->timeout);
CH_INFO_SET_ACTION_ID(chan, info->action_id);
CH_INFO_SET_EXTRA_INFO(chan, info->extra_info);
if (info->extra_info) {
EXTRA_CH_INFO_SET_ID(chan, RTW_SCAN_EXTRA_ID_DFS);
EXTRA_CH_INFO_SET_INFO(chan, RTW_SCAN_EXTRA_ACTION_SCAN);
EXTRA_CH_INFO_SET_SIZE(chan, RTW_EX_CH_INFO_SIZE -
RTW_EX_CH_INFO_HDR_SIZE);
EXTRA_CH_INFO_SET_DFS_EXT_TIME(chan, RTW_DFS_CHAN_TIME);
info_size += RTW_EX_CH_INFO_SIZE;
}
list->size += info_size;
list->ch_num++;
return 0;
}
static int rtw_add_chan_list(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif,
struct rtw_chan_list *list, u8 *buf)
{
struct cfg80211_scan_request *req = rtwvif->scan_req;
struct rtw_fifo_conf *fifo = &rtwdev->fifo;
struct ieee80211_channel *channel;
int i, ret = 0;
for (i = 0; i < req->n_channels; i++) {
struct rtw_chan_info ch_info = {0};
channel = req->channels[i];
ch_info.channel = channel->hw_value;
ch_info.bw = RTW_SCAN_WIDTH;
ch_info.pri_ch_idx = RTW_PRI_CH_IDX;
ch_info.timeout = req->duration_mandatory ?
req->duration : RTW_CHANNEL_TIME;
if (channel->flags & (IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IR)) {
ch_info.action_id = RTW_CHANNEL_RADAR;
ch_info.extra_info = 1;
/* Overwrite duration for passive scans if necessary */
ch_info.timeout = ch_info.timeout > RTW_PASS_CHAN_TIME ?
ch_info.timeout : RTW_PASS_CHAN_TIME;
} else {
ch_info.action_id = RTW_CHANNEL_ACTIVE;
}
ret = rtw_add_chan_info(rtwdev, &ch_info, list, buf);
if (ret)
return ret;
}
if (list->size > fifo->rsvd_pg_num << TX_PAGE_SIZE_SHIFT) {
rtw_err(rtwdev, "List exceeds rsvd page total size\n");
return -EINVAL;
}
list->addr = fifo->rsvd_h2c_info_addr + rtwdev->scan_info.probe_pg_size;
ret = rtw_fw_write_data_rsvd_page(rtwdev, list->addr, buf, list->size);
if (ret)
rtw_err(rtwdev, "Download channel list failed\n");
return ret;
}
static void rtw_fw_set_scan_offload(struct rtw_dev *rtwdev,
struct rtw_ch_switch_option *opt,
struct rtw_vif *rtwvif,
struct rtw_chan_list *list)
{
struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
struct cfg80211_scan_request *req = rtwvif->scan_req;
struct rtw_fifo_conf *fifo = &rtwdev->fifo;
/* reserve one dummy page at the beginning for tx descriptor */
u8 pkt_loc = fifo->rsvd_h2c_info_addr - fifo->rsvd_boundary + 1;
bool random_seq = req->flags & NL80211_SCAN_FLAG_RANDOM_SN;
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_SCAN_OFFLOAD);
SET_PKT_H2C_TOTAL_LEN(h2c_pkt, H2C_PKT_CH_SWITCH_LEN);
SCAN_OFFLOAD_SET_START(h2c_pkt, opt->switch_en);
SCAN_OFFLOAD_SET_BACK_OP_EN(h2c_pkt, opt->back_op_en);
SCAN_OFFLOAD_SET_RANDOM_SEQ_EN(h2c_pkt, random_seq);
SCAN_OFFLOAD_SET_NO_CCK_EN(h2c_pkt, req->no_cck);
SCAN_OFFLOAD_SET_CH_NUM(h2c_pkt, list->ch_num);
SCAN_OFFLOAD_SET_CH_INFO_SIZE(h2c_pkt, list->size);
SCAN_OFFLOAD_SET_CH_INFO_LOC(h2c_pkt, list->addr - fifo->rsvd_boundary);
SCAN_OFFLOAD_SET_OP_CH(h2c_pkt, scan_info->op_chan);
SCAN_OFFLOAD_SET_OP_PRI_CH_IDX(h2c_pkt, scan_info->op_pri_ch_idx);
SCAN_OFFLOAD_SET_OP_BW(h2c_pkt, scan_info->op_bw);
SCAN_OFFLOAD_SET_OP_PORT_ID(h2c_pkt, rtwvif->port);
SCAN_OFFLOAD_SET_OP_DWELL_TIME(h2c_pkt, req->duration_mandatory ?
req->duration : RTW_CHANNEL_TIME);
SCAN_OFFLOAD_SET_OP_GAP_TIME(h2c_pkt, RTW_OFF_CHAN_TIME);
SCAN_OFFLOAD_SET_SSID_NUM(h2c_pkt, req->n_ssids);
SCAN_OFFLOAD_SET_PKT_LOC(h2c_pkt, pkt_loc);
rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
}
void rtw_hw_scan_start(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
struct ieee80211_scan_request *scan_req)
{
struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
struct cfg80211_scan_request *req = &scan_req->req;
u8 mac_addr[ETH_ALEN];
rtwdev->scan_info.scanning_vif = vif;
rtwvif->scan_ies = &scan_req->ies;
rtwvif->scan_req = req;
ieee80211_stop_queues(rtwdev->hw);
rtw_leave_lps_deep(rtwdev);
rtw_hci_flush_all_queues(rtwdev, false);
rtw_mac_flush_all_queues(rtwdev, false);
if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR)
get_random_mask_addr(mac_addr, req->mac_addr,
req->mac_addr_mask);
else
ether_addr_copy(mac_addr, vif->addr);
rtw_core_scan_start(rtwdev, rtwvif, mac_addr, true);
rtwdev->hal.rcr &= ~BIT_CBSSID_BCN;
rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr);
}
void rtw_hw_scan_complete(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
bool aborted)
{
struct cfg80211_scan_info info = {
.aborted = aborted,
};
struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
struct rtw_hal *hal = &rtwdev->hal;
struct rtw_vif *rtwvif;
u8 chan = scan_info->op_chan;
if (!vif)
return;
rtwdev->hal.rcr |= BIT_CBSSID_BCN;
rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr);
rtw_core_scan_complete(rtwdev, vif, true);
rtwvif = (struct rtw_vif *)vif->drv_priv;
if (chan)
rtw_store_op_chan(rtwdev, false);
rtw_phy_set_tx_power_level(rtwdev, hal->current_channel);
ieee80211_wake_queues(rtwdev->hw);
ieee80211_scan_completed(rtwdev->hw, &info);
rtwvif->scan_req = NULL;
rtwvif->scan_ies = NULL;
rtwdev->scan_info.scanning_vif = NULL;
}
static int rtw_hw_scan_prehandle(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif,
struct rtw_chan_list *list)
{
struct cfg80211_scan_request *req = rtwvif->scan_req;
int size = req->n_channels * (RTW_CH_INFO_SIZE + RTW_EX_CH_INFO_SIZE);
u8 *buf;
int ret;
buf = kmalloc(size, GFP_KERNEL);
if (!buf)
return -ENOMEM;
ret = rtw_hw_scan_update_probe_req(rtwdev, rtwvif);
if (ret) {
rtw_err(rtwdev, "Update probe request failed\n");
goto out;
}
list->buf_size = size;
list->size = 0;
list->ch_num = 0;
ret = rtw_add_chan_list(rtwdev, rtwvif, list, buf);
out:
kfree(buf);
return ret;
}
int rtw_hw_scan_offload(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
bool enable)
{
struct rtw_vif *rtwvif = vif ? (struct rtw_vif *)vif->drv_priv : NULL;
struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
struct rtw_ch_switch_option cs_option = {0};
struct rtw_chan_list chan_list = {0};
int ret = 0;
if (!rtwvif)
return -EINVAL;
cs_option.switch_en = enable;
cs_option.back_op_en = scan_info->op_chan != 0;
if (enable) {
ret = rtw_hw_scan_prehandle(rtwdev, rtwvif, &chan_list);
if (ret)
goto out;
}
rtw_fw_set_scan_offload(rtwdev, &cs_option, rtwvif, &chan_list);
out:
return ret;
}
void rtw_hw_scan_abort(struct rtw_dev *rtwdev, struct ieee80211_vif *vif)
{
if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD))
return;
rtw_hw_scan_offload(rtwdev, vif, false);
rtw_hw_scan_complete(rtwdev, vif, true);
}
void rtw_hw_scan_status_report(struct rtw_dev *rtwdev, struct sk_buff *skb)
{
struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif;
struct rtw_c2h_cmd *c2h;
bool aborted;
u8 rc;
if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags))
return;
c2h = get_c2h_from_skb(skb);
rc = GET_SCAN_REPORT_RETURN_CODE(c2h->payload);
aborted = rc != RTW_SCAN_REPORT_SUCCESS;
rtw_hw_scan_complete(rtwdev, vif, aborted);
if (aborted)
rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, "HW scan aborted with code: %d\n", rc);
}
void rtw_store_op_chan(struct rtw_dev *rtwdev, bool backup)
{
struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
struct rtw_hal *hal = &rtwdev->hal;
u8 band;
if (backup) {
scan_info->op_chan = hal->current_channel;
scan_info->op_bw = hal->current_band_width;
scan_info->op_pri_ch_idx = hal->current_primary_channel_index;
scan_info->op_pri_ch = hal->primary_channel;
} else {
band = scan_info->op_chan > 14 ? RTW_BAND_5G : RTW_BAND_2G;
rtw_update_channel(rtwdev, scan_info->op_chan,
scan_info->op_pri_ch,
band, scan_info->op_bw);
}
}
void rtw_clear_op_chan(struct rtw_dev *rtwdev)
{
struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
scan_info->op_chan = 0;
scan_info->op_bw = 0;
scan_info->op_pri_ch_idx = 0;
scan_info->op_pri_ch = 0;
}
static bool rtw_is_op_chan(struct rtw_dev *rtwdev, u8 channel)
{
struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
return channel == scan_info->op_chan;
}
void rtw_hw_scan_chan_switch(struct rtw_dev *rtwdev, struct sk_buff *skb)
{
struct rtw_hal *hal = &rtwdev->hal;
struct rtw_c2h_cmd *c2h;
enum rtw_scan_notify_id id;
u8 chan, band, status;
if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags))
return;
c2h = get_c2h_from_skb(skb);
chan = GET_CHAN_SWITCH_CENTRAL_CH(c2h->payload);
id = GET_CHAN_SWITCH_ID(c2h->payload);
status = GET_CHAN_SWITCH_STATUS(c2h->payload);
if (id == RTW_SCAN_NOTIFY_ID_POSTSWITCH) {
band = chan > 14 ? RTW_BAND_5G : RTW_BAND_2G;
rtw_update_channel(rtwdev, chan, chan, band,
RTW_CHANNEL_WIDTH_20);
if (rtw_is_op_chan(rtwdev, chan)) {
rtw_store_op_chan(rtwdev, false);
ieee80211_wake_queues(rtwdev->hw);
}
} else if (id == RTW_SCAN_NOTIFY_ID_PRESWITCH) {
if (IS_CH_5G_BAND(chan)) {
rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_5G);
} else if (IS_CH_2G_BAND(chan)) {
u8 chan_type;
if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags))
chan_type = COEX_SWITCH_TO_24G;
else
chan_type = COEX_SWITCH_TO_24G_NOFORSCAN;
rtw_coex_switchband_notify(rtwdev, chan_type);
}
/* The channel of C2H RTW_SCAN_NOTIFY_ID_PRESWITCH is next
* channel that hardware will switch. We need to stop queue
* if next channel is non-op channel.
*/
if (!rtw_is_op_chan(rtwdev, chan) &&
rtw_is_op_chan(rtwdev, hal->current_channel))
ieee80211_stop_queues(rtwdev->hw);
}
rtw_dbg(rtwdev, RTW_DBG_HW_SCAN,
"Chan switch: %x, id: %x, status: %x\n", chan, id, status);
}
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