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fw.c
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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"
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;
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->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);
}
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_WLAN_INFO:
rtw_coex_wl_fwdbginfo_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;
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);
static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev,
u8 *h2c)
{
u8 box;
u8 box_state;
u32 box_reg, box_ex_reg;
int idx;
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]);
spin_lock(&rtwdev->h2c.lock);
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");
goto out;
}
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");
goto out;
}
for (idx = 0; idx < 4; idx++)
rtw_write8(rtwdev, box_reg + idx, h2c[idx]);
for (idx = 0; idx < 4; idx++)
rtw_write8(rtwdev, box_ex_reg + idx, h2c[idx + 4]);
if (++rtwdev->h2c.last_box_num >= 4)
rtwdev->h2c.last_box_num = 0;
out:
spin_unlock(&rtwdev->h2c.lock);
}
static void rtw_fw_send_h2c_packet(struct rtw_dev *rtwdev, u8 *h2c_pkt)
{
int ret;
spin_lock(&rtwdev->h2c.lock);
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++;
spin_unlock(&rtwdev->h2c.lock);
}
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_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_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)
{
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
bool no_update = si->updated;
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, no_update);
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;
si->updated = true;
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_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_fw_lps_deep_mode)
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_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->skb->len;
}
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;
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;
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;
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;
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;
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(hw, vif);
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:
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0)
skb_new = ieee80211_nullfunc_get(hw, vif, false);
#else
skb_new = ieee80211_nullfunc_get(hw, vif);
#endif
break;
case RSVD_QOS_NULL:
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0)
skb_new = ieee80211_nullfunc_get(hw, vif, true);
#else
skb_new = ieee80211_nullfunc_get(hw, vif);
#endif
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);
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)
{
struct rtw_tx_pkt_info pkt_info;
struct rtw_chip_info *chip = rtwdev->chip;
u8 *pkt_desc;
memset(&pkt_info, 0, sizeof(pkt_info));
rtw_rsvd_page_pkt_info_update(rtwdev, &pkt_info, skb);
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);
}