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mac80211.c
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// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/* Copyright(c) 2019-2020 Realtek Corporation
*/
#include "cam.h"
#include "chan.h"
#include "coex.h"
#include "debug.h"
#include "fw.h"
#include "mac.h"
#include "phy.h"
#include "ps.h"
#include "reg.h"
#include "sar.h"
#include "ser.h"
#include "util.h"
#include "wow.h"
static void rtw89_ops_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct rtw89_dev *rtwdev = hw->priv;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_vif *vif = info->control.vif;
struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
struct ieee80211_sta *sta = control->sta;
u32 flags = IEEE80211_SKB_CB(skb)->flags;
int ret, qsel;
if (rtwvif->offchan && !(flags & IEEE80211_TX_CTL_TX_OFFCHAN) && sta) {
struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv;
rtw89_debug(rtwdev, RTW89_DBG_TXRX, "ops_tx during offchan\n");
skb_queue_tail(&rtwsta->roc_queue, skb);
return;
}
ret = rtw89_core_tx_write(rtwdev, vif, sta, skb, &qsel);
if (ret) {
rtw89_err(rtwdev, "failed to transmit skb: %d\n", ret);
ieee80211_free_txskb(hw, skb);
return;
}
rtw89_core_tx_kick_off(rtwdev, qsel);
}
static void rtw89_ops_wake_tx_queue(struct ieee80211_hw *hw,
struct ieee80211_txq *txq)
{
struct rtw89_dev *rtwdev = hw->priv;
ieee80211_schedule_txq(hw, txq);
queue_work(rtwdev->txq_wq, &rtwdev->txq_work);
}
static int rtw89_ops_start(struct ieee80211_hw *hw)
{
struct rtw89_dev *rtwdev = hw->priv;
int ret;
mutex_lock(&rtwdev->mutex);
ret = rtw89_core_start(rtwdev);
mutex_unlock(&rtwdev->mutex);
return ret;
}
static void rtw89_ops_stop(struct ieee80211_hw *hw)
{
struct rtw89_dev *rtwdev = hw->priv;
mutex_lock(&rtwdev->mutex);
rtw89_core_stop(rtwdev);
mutex_unlock(&rtwdev->mutex);
}
static int rtw89_ops_config(struct ieee80211_hw *hw, u32 changed)
{
struct rtw89_dev *rtwdev = hw->priv;
/* let previous ips work finish to ensure we don't leave ips twice */
cancel_work_sync(&rtwdev->ips_work);
mutex_lock(&rtwdev->mutex);
rtw89_leave_ps_mode(rtwdev);
if ((changed & IEEE80211_CONF_CHANGE_IDLE) &&
!(hw->conf.flags & IEEE80211_CONF_IDLE))
rtw89_leave_ips(rtwdev);
if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
rtw89_config_entity_chandef(rtwdev, RTW89_SUB_ENTITY_0,
&hw->conf.chandef);
rtw89_set_channel(rtwdev);
}
if ((changed & IEEE80211_CONF_CHANGE_IDLE) &&
(hw->conf.flags & IEEE80211_CONF_IDLE) &&
!rtwdev->scanning)
rtw89_enter_ips(rtwdev);
mutex_unlock(&rtwdev->mutex);
return 0;
}
static int rtw89_ops_add_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct rtw89_dev *rtwdev = hw->priv;
struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
int ret = 0;
rtw89_debug(rtwdev, RTW89_DBG_STATE, "add vif %pM type %d, p2p %d\n",
vif->addr, vif->type, vif->p2p);
mutex_lock(&rtwdev->mutex);
rtw89_leave_ips_by_hwflags(rtwdev);
if (RTW89_CHK_FW_FEATURE(BEACON_FILTER, &rtwdev->fw))
vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
IEEE80211_VIF_SUPPORTS_CQM_RSSI;
rtwvif->rtwdev = rtwdev;
rtwvif->roc.state = RTW89_ROC_IDLE;
rtwvif->offchan = false;
list_add_tail(&rtwvif->list, &rtwdev->rtwvifs_list);
INIT_WORK(&rtwvif->update_beacon_work, rtw89_core_update_beacon_work);
INIT_DELAYED_WORK(&rtwvif->roc.roc_work, rtw89_roc_work);
rtw89_leave_ps_mode(rtwdev);
rtw89_traffic_stats_init(rtwdev, &rtwvif->stats);
rtw89_vif_type_mapping(vif, false);
rtwvif->port = rtw89_core_acquire_bit_map(rtwdev->hw_port,
RTW89_PORT_NUM);
if (rtwvif->port == RTW89_PORT_NUM) {
ret = -ENOSPC;
list_del_init(&rtwvif->list);
goto out;
}
rtwvif->bcn_hit_cond = 0;
rtwvif->mac_idx = RTW89_MAC_0;
rtwvif->phy_idx = RTW89_PHY_0;
rtwvif->sub_entity_idx = RTW89_SUB_ENTITY_0;
rtwvif->chanctx_assigned = false;
rtwvif->hit_rule = 0;
rtwvif->reg_6ghz_power = RTW89_REG_6GHZ_POWER_DFLT;
ether_addr_copy(rtwvif->mac_addr, vif->addr);
INIT_LIST_HEAD(&rtwvif->general_pkt_list);
ret = rtw89_mac_add_vif(rtwdev, rtwvif);
if (ret) {
rtw89_core_release_bit_map(rtwdev->hw_port, rtwvif->port);
list_del_init(&rtwvif->list);
goto out;
}
rtw89_core_txq_init(rtwdev, vif->txq);
rtw89_btc_ntfy_role_info(rtwdev, rtwvif, NULL, BTC_ROLE_START);
rtw89_recalc_lps(rtwdev);
out:
mutex_unlock(&rtwdev->mutex);
return ret;
}
static void rtw89_ops_remove_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct rtw89_dev *rtwdev = hw->priv;
struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
rtw89_debug(rtwdev, RTW89_DBG_STATE, "remove vif %pM type %d p2p %d\n",
vif->addr, vif->type, vif->p2p);
cancel_work_sync(&rtwvif->update_beacon_work);
cancel_delayed_work_sync(&rtwvif->roc.roc_work);
mutex_lock(&rtwdev->mutex);
rtw89_leave_ps_mode(rtwdev);
rtw89_btc_ntfy_role_info(rtwdev, rtwvif, NULL, BTC_ROLE_STOP);
rtw89_mac_remove_vif(rtwdev, rtwvif);
rtw89_core_release_bit_map(rtwdev->hw_port, rtwvif->port);
list_del_init(&rtwvif->list);
rtw89_recalc_lps(rtwdev);
rtw89_enter_ips_by_hwflags(rtwdev);
mutex_unlock(&rtwdev->mutex);
}
static int rtw89_ops_change_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
enum nl80211_iftype type, bool p2p)
{
struct rtw89_dev *rtwdev = hw->priv;
int ret;
set_bit(RTW89_FLAG_CHANGING_INTERFACE, rtwdev->flags);
rtw89_debug(rtwdev, RTW89_DBG_STATE, "change vif %pM (%d)->(%d), p2p (%d)->(%d)\n",
vif->addr, vif->type, type, vif->p2p, p2p);
rtw89_ops_remove_interface(hw, vif);
vif->type = type;
vif->p2p = p2p;
ret = rtw89_ops_add_interface(hw, vif);
if (ret)
rtw89_warn(rtwdev, "failed to change interface %d\n", ret);
clear_bit(RTW89_FLAG_CHANGING_INTERFACE, rtwdev->flags);
return ret;
}
static void rtw89_ops_configure_filter(struct ieee80211_hw *hw,
unsigned int changed_flags,
unsigned int *new_flags,
u64 multicast)
{
struct rtw89_dev *rtwdev = hw->priv;
const struct rtw89_mac_gen_def *mac = rtwdev->chip->mac_def;
u32 rx_fltr;
mutex_lock(&rtwdev->mutex);
rtw89_leave_ps_mode(rtwdev);
*new_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_FCSFAIL |
FIF_BCN_PRBRESP_PROMISC | FIF_PROBE_REQ;
if (changed_flags & FIF_ALLMULTI) {
if (*new_flags & FIF_ALLMULTI)
rtwdev->hal.rx_fltr &= ~B_AX_A_MC;
else
rtwdev->hal.rx_fltr |= B_AX_A_MC;
}
if (changed_flags & FIF_FCSFAIL) {
if (*new_flags & FIF_FCSFAIL)
rtwdev->hal.rx_fltr |= B_AX_A_CRC32_ERR;
else
rtwdev->hal.rx_fltr &= ~B_AX_A_CRC32_ERR;
}
if (changed_flags & FIF_OTHER_BSS) {
if (*new_flags & FIF_OTHER_BSS)
rtwdev->hal.rx_fltr &= ~B_AX_A_A1_MATCH;
else
rtwdev->hal.rx_fltr |= B_AX_A_A1_MATCH;
}
if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
if (*new_flags & FIF_BCN_PRBRESP_PROMISC) {
rtwdev->hal.rx_fltr &= ~B_AX_A_BCN_CHK_EN;
rtwdev->hal.rx_fltr &= ~B_AX_A_BC;
rtwdev->hal.rx_fltr &= ~B_AX_A_A1_MATCH;
} else {
rtwdev->hal.rx_fltr |= B_AX_A_BCN_CHK_EN;
rtwdev->hal.rx_fltr |= B_AX_A_BC;
rtwdev->hal.rx_fltr |= B_AX_A_A1_MATCH;
}
}
if (changed_flags & FIF_PROBE_REQ) {
if (*new_flags & FIF_PROBE_REQ) {
rtwdev->hal.rx_fltr &= ~B_AX_A_BC_CAM_MATCH;
rtwdev->hal.rx_fltr &= ~B_AX_A_UC_CAM_MATCH;
} else {
rtwdev->hal.rx_fltr |= B_AX_A_BC_CAM_MATCH;
rtwdev->hal.rx_fltr |= B_AX_A_UC_CAM_MATCH;
}
}
rx_fltr = rtwdev->hal.rx_fltr;
/* mac80211 doesn't configure filter when HW scan, driver need to
* set by itself. However, during P2P scan might have configure
* filter to overwrite filter that HW scan needed, so we need to
* check scan and append related filter
*/
if (rtwdev->scanning) {
rx_fltr &= ~B_AX_A_BCN_CHK_EN;
rx_fltr &= ~B_AX_A_BC;
rx_fltr &= ~B_AX_A_A1_MATCH;
}
rtw89_write32_mask(rtwdev,
rtw89_mac_reg_by_idx(rtwdev, mac->rx_fltr, RTW89_MAC_0),
B_AX_RX_FLTR_CFG_MASK,
rx_fltr);
if (!rtwdev->dbcc_en)
goto out;
rtw89_write32_mask(rtwdev,
rtw89_mac_reg_by_idx(rtwdev, mac->rx_fltr, RTW89_MAC_1),
B_AX_RX_FLTR_CFG_MASK,
rx_fltr);
out:
mutex_unlock(&rtwdev->mutex);
}
static const u8 ac_to_fw_idx[IEEE80211_NUM_ACS] = {
[IEEE80211_AC_VO] = 3,
[IEEE80211_AC_VI] = 2,
[IEEE80211_AC_BE] = 0,
[IEEE80211_AC_BK] = 1,
};
static u8 rtw89_aifsn_to_aifs(struct rtw89_dev *rtwdev,
struct rtw89_vif *rtwvif, u8 aifsn)
{
struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
const struct rtw89_chan *chan = rtw89_chan_get(rtwdev,
rtwvif->sub_entity_idx);
u8 slot_time;
u8 sifs;
slot_time = vif->bss_conf.use_short_slot ? 9 : 20;
sifs = chan->band_type == RTW89_BAND_5G ? 16 : 10;
return aifsn * slot_time + sifs;
}
static void ____rtw89_conf_tx_edca(struct rtw89_dev *rtwdev,
struct rtw89_vif *rtwvif, u16 ac)
{
struct ieee80211_tx_queue_params *params = &rtwvif->tx_params[ac];
u32 val;
u8 ecw_max, ecw_min;
u8 aifs;
/* 2^ecw - 1 = cw; ecw = log2(cw + 1) */
ecw_max = ilog2(params->cw_max + 1);
ecw_min = ilog2(params->cw_min + 1);
aifs = rtw89_aifsn_to_aifs(rtwdev, rtwvif, params->aifs);
val = FIELD_PREP(FW_EDCA_PARAM_TXOPLMT_MSK, params->txop) |
FIELD_PREP(FW_EDCA_PARAM_CWMAX_MSK, ecw_max) |
FIELD_PREP(FW_EDCA_PARAM_CWMIN_MSK, ecw_min) |
FIELD_PREP(FW_EDCA_PARAM_AIFS_MSK, aifs);
rtw89_fw_h2c_set_edca(rtwdev, rtwvif, ac_to_fw_idx[ac], val);
}
#define R_MUEDCA_ACS_PARAM(acs) {R_AX_MUEDCA_ ## acs ## _PARAM_0, \
R_BE_MUEDCA_ ## acs ## _PARAM_0}
static const u32 ac_to_mu_edca_param[IEEE80211_NUM_ACS][RTW89_CHIP_GEN_NUM] = {
[IEEE80211_AC_VO] = R_MUEDCA_ACS_PARAM(VO),
[IEEE80211_AC_VI] = R_MUEDCA_ACS_PARAM(VI),
[IEEE80211_AC_BE] = R_MUEDCA_ACS_PARAM(BE),
[IEEE80211_AC_BK] = R_MUEDCA_ACS_PARAM(BK),
};
static void ____rtw89_conf_tx_mu_edca(struct rtw89_dev *rtwdev,
struct rtw89_vif *rtwvif, u16 ac)
{
struct ieee80211_tx_queue_params *params = &rtwvif->tx_params[ac];
struct ieee80211_he_mu_edca_param_ac_rec *mu_edca;
int gen = rtwdev->chip->chip_gen;
u8 aifs, aifsn;
u16 timer_32us;
u32 reg;
u32 val;
if (!params->mu_edca)
return;
mu_edca = ¶ms->mu_edca_param_rec;
aifsn = FIELD_GET(GENMASK(3, 0), mu_edca->aifsn);
aifs = aifsn ? rtw89_aifsn_to_aifs(rtwdev, rtwvif, aifsn) : 0;
timer_32us = mu_edca->mu_edca_timer << 8;
val = FIELD_PREP(B_AX_MUEDCA_BE_PARAM_0_TIMER_MASK, timer_32us) |
FIELD_PREP(B_AX_MUEDCA_BE_PARAM_0_CW_MASK, mu_edca->ecw_min_max) |
FIELD_PREP(B_AX_MUEDCA_BE_PARAM_0_AIFS_MASK, aifs);
reg = rtw89_mac_reg_by_idx(rtwdev, ac_to_mu_edca_param[ac][gen], rtwvif->mac_idx);
rtw89_write32(rtwdev, reg, val);
rtw89_mac_set_hw_muedca_ctrl(rtwdev, rtwvif, true);
}
static void __rtw89_conf_tx(struct rtw89_dev *rtwdev,
struct rtw89_vif *rtwvif, u16 ac)
{
____rtw89_conf_tx_edca(rtwdev, rtwvif, ac);
____rtw89_conf_tx_mu_edca(rtwdev, rtwvif, ac);
}
static void rtw89_conf_tx(struct rtw89_dev *rtwdev,
struct rtw89_vif *rtwvif)
{
u16 ac;
for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
__rtw89_conf_tx(rtwdev, rtwvif, ac);
}
static void rtw89_station_mode_sta_assoc(struct rtw89_dev *rtwdev,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *conf)
{
struct ieee80211_sta *sta;
if (vif->type != NL80211_IFTYPE_STATION)
return;
sta = ieee80211_find_sta(vif, conf->bssid);
if (!sta) {
rtw89_err(rtwdev, "can't find sta to set sta_assoc state\n");
return;
}
rtw89_vif_type_mapping(vif, true);
rtw89_core_sta_assoc(rtwdev, vif, sta);
}
static void rtw89_ops_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *conf,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 0, 0))
u64 changed)
#else
u32 changed)
#endif
{
struct rtw89_dev *rtwdev = hw->priv;
struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
mutex_lock(&rtwdev->mutex);
rtw89_leave_ps_mode(rtwdev);
if (changed & BSS_CHANGED_ASSOC) {
#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(6, 0, 0)) || (RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(9, 0)))
if (vif->cfg.assoc) {
#else
if (conf->assoc) {
#endif
rtw89_station_mode_sta_assoc(rtwdev, vif, conf);
rtw89_phy_set_bss_color(rtwdev, vif);
rtw89_chip_cfg_txpwr_ul_tb_offset(rtwdev, vif);
rtw89_mac_port_update(rtwdev, rtwvif);
rtw89_mac_set_he_obss_narrow_bw_ru(rtwdev, vif);
rtw89_queue_chanctx_work(rtwdev);
} else {
/* Abort ongoing scan if cancel_scan isn't issued
* when disconnected by peer
*/
if (rtwdev->scanning)
rtw89_hw_scan_abort(rtwdev, vif);
}
}
if (changed & BSS_CHANGED_BSSID) {
ether_addr_copy(rtwvif->bssid, conf->bssid);
rtw89_cam_bssid_changed(rtwdev, rtwvif);
rtw89_fw_h2c_cam(rtwdev, rtwvif, NULL, NULL);
}
if (changed & BSS_CHANGED_BEACON)
rtw89_fw_h2c_update_beacon(rtwdev, rtwvif);
if (changed & BSS_CHANGED_ERP_SLOT)
rtw89_conf_tx(rtwdev, rtwvif);
if (changed & BSS_CHANGED_HE_BSS_COLOR)
rtw89_phy_set_bss_color(rtwdev, vif);
if (changed & BSS_CHANGED_MU_GROUPS)
rtw89_mac_bf_set_gid_table(rtwdev, vif, conf);
if (changed & BSS_CHANGED_P2P_PS)
rtw89_core_update_p2p_ps(rtwdev, vif);
if (changed & BSS_CHANGED_CQM)
rtw89_fw_h2c_set_bcn_fltr_cfg(rtwdev, vif, true);
if (changed & BSS_CHANGED_PS)
rtw89_recalc_lps(rtwdev);
mutex_unlock(&rtwdev->mutex);
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 0, 0))
static int rtw89_ops_start_ap(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *link_conf)
#else
static int rtw89_ops_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
#endif
{
struct rtw89_dev *rtwdev = hw->priv;
struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
const struct rtw89_chan *chan;
mutex_lock(&rtwdev->mutex);
chan = rtw89_chan_get(rtwdev, rtwvif->sub_entity_idx);
if (chan->band_type == RTW89_BAND_6G) {
mutex_unlock(&rtwdev->mutex);
return -EOPNOTSUPP;
}
if (rtwdev->scanning)
rtw89_hw_scan_abort(rtwdev, rtwdev->scan_info.scanning_vif);
ether_addr_copy(rtwvif->bssid, vif->bss_conf.bssid);
rtw89_cam_bssid_changed(rtwdev, rtwvif);
rtw89_mac_port_update(rtwdev, rtwvif);
rtw89_fw_h2c_assoc_cmac_tbl(rtwdev, vif, NULL);
rtw89_fw_h2c_role_maintain(rtwdev, rtwvif, NULL, RTW89_ROLE_TYPE_CHANGE);
rtw89_fw_h2c_join_info(rtwdev, rtwvif, NULL, true);
rtw89_fw_h2c_cam(rtwdev, rtwvif, NULL, NULL);
rtw89_chip_rfk_channel(rtwdev);
rtw89_queue_chanctx_work(rtwdev);
mutex_unlock(&rtwdev->mutex);
return 0;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 0, 0))
static
void rtw89_ops_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_bss_conf *link_conf)
#else
static
void rtw89_ops_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
#endif
{
struct rtw89_dev *rtwdev = hw->priv;
struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
mutex_lock(&rtwdev->mutex);
rtw89_mac_stop_ap(rtwdev, rtwvif);
rtw89_fw_h2c_assoc_cmac_tbl(rtwdev, vif, NULL);
rtw89_fw_h2c_join_info(rtwdev, rtwvif, NULL, true);
mutex_unlock(&rtwdev->mutex);
}
static int rtw89_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
bool set)
{
struct rtw89_dev *rtwdev = hw->priv;
struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv;
struct rtw89_vif *rtwvif = rtwsta->rtwvif;
ieee80211_queue_work(rtwdev->hw, &rtwvif->update_beacon_work);
return 0;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 0, 0))
static int rtw89_ops_conf_tx(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
unsigned int link_id, u16 ac,
const struct ieee80211_tx_queue_params *params)
#else
static int rtw89_ops_conf_tx(struct ieee80211_hw *hw,
struct ieee80211_vif *vif, u16 ac,
const struct ieee80211_tx_queue_params *params)
#endif
{
struct rtw89_dev *rtwdev = hw->priv;
struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
mutex_lock(&rtwdev->mutex);
rtw89_leave_ps_mode(rtwdev);
rtwvif->tx_params[ac] = *params;
__rtw89_conf_tx(rtwdev, rtwvif, ac);
mutex_unlock(&rtwdev->mutex);
return 0;
}
static int __rtw89_ops_sta_state(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
enum ieee80211_sta_state old_state,
enum ieee80211_sta_state new_state)
{
struct rtw89_dev *rtwdev = hw->priv;
if (old_state == IEEE80211_STA_NOTEXIST &&
new_state == IEEE80211_STA_NONE)
return rtw89_core_sta_add(rtwdev, vif, sta);
if (old_state == IEEE80211_STA_AUTH &&
new_state == IEEE80211_STA_ASSOC) {
if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
return 0; /* defer to bss_info_changed to have vif info */
return rtw89_core_sta_assoc(rtwdev, vif, sta);
}
if (old_state == IEEE80211_STA_ASSOC &&
new_state == IEEE80211_STA_AUTH)
return rtw89_core_sta_disassoc(rtwdev, vif, sta);
if (old_state == IEEE80211_STA_AUTH &&
new_state == IEEE80211_STA_NONE)
return rtw89_core_sta_disconnect(rtwdev, vif, sta);
if (old_state == IEEE80211_STA_NONE &&
new_state == IEEE80211_STA_NOTEXIST)
return rtw89_core_sta_remove(rtwdev, vif, sta);
return 0;
}
static int rtw89_ops_sta_state(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
enum ieee80211_sta_state old_state,
enum ieee80211_sta_state new_state)
{
struct rtw89_dev *rtwdev = hw->priv;
int ret;
mutex_lock(&rtwdev->mutex);
rtw89_leave_ps_mode(rtwdev);
ret = __rtw89_ops_sta_state(hw, vif, sta, old_state, new_state);
mutex_unlock(&rtwdev->mutex);
return ret;
}
static int rtw89_ops_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct ieee80211_key_conf *key)
{
struct rtw89_dev *rtwdev = hw->priv;
int ret = 0;
mutex_lock(&rtwdev->mutex);
rtw89_leave_ps_mode(rtwdev);
switch (cmd) {
case SET_KEY:
rtw89_btc_ntfy_specific_packet(rtwdev, PACKET_EAPOL_END);
ret = rtw89_cam_sec_key_add(rtwdev, vif, sta, key);
if (ret && ret != -EOPNOTSUPP) {
rtw89_err(rtwdev, "failed to add key to sec cam\n");
goto out;
}
break;
case DISABLE_KEY:
rtw89_hci_flush_queues(rtwdev, BIT(rtwdev->hw->queues) - 1,
false);
rtw89_mac_flush_txq(rtwdev, BIT(rtwdev->hw->queues) - 1, false);
ret = rtw89_cam_sec_key_del(rtwdev, vif, sta, key, true);
if (ret) {
rtw89_err(rtwdev, "failed to remove key from sec cam\n");
goto out;
}
break;
}
out:
mutex_unlock(&rtwdev->mutex);
return ret;
}
static int rtw89_ops_ampdu_action(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_ampdu_params *params)
{
struct rtw89_dev *rtwdev = hw->priv;
struct ieee80211_sta *sta = params->sta;
struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv;
u16 tid = params->tid;
struct ieee80211_txq *txq = sta->txq[tid];
struct rtw89_txq *rtwtxq = (struct rtw89_txq *)txq->drv_priv;
switch (params->action) {
case IEEE80211_AMPDU_TX_START:
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 11, 0)
return IEEE80211_AMPDU_TX_START_IMMEDIATE;
#else
ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
break;
#endif
case IEEE80211_AMPDU_TX_STOP_CONT:
case IEEE80211_AMPDU_TX_STOP_FLUSH:
case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
mutex_lock(&rtwdev->mutex);
clear_bit(RTW89_TXQ_F_AMPDU, &rtwtxq->flags);
mutex_unlock(&rtwdev->mutex);
ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
break;
case IEEE80211_AMPDU_TX_OPERATIONAL:
mutex_lock(&rtwdev->mutex);
set_bit(RTW89_TXQ_F_AMPDU, &rtwtxq->flags);
rtwsta->ampdu_params[tid].agg_num = params->buf_size;
rtwsta->ampdu_params[tid].amsdu = params->amsdu;
rtw89_leave_ps_mode(rtwdev);
mutex_unlock(&rtwdev->mutex);
break;
case IEEE80211_AMPDU_RX_START:
mutex_lock(&rtwdev->mutex);
rtw89_fw_h2c_ba_cam(rtwdev, rtwsta, true, params);
mutex_unlock(&rtwdev->mutex);
break;
case IEEE80211_AMPDU_RX_STOP:
mutex_lock(&rtwdev->mutex);
rtw89_fw_h2c_ba_cam(rtwdev, rtwsta, false, params);
mutex_unlock(&rtwdev->mutex);
break;
default:
WARN_ON(1);
return -ENOTSUPP;
}
return 0;
}
static int rtw89_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
{
struct rtw89_dev *rtwdev = hw->priv;
mutex_lock(&rtwdev->mutex);
rtw89_leave_ps_mode(rtwdev);
if (test_bit(RTW89_FLAG_POWERON, rtwdev->flags))
rtw89_mac_update_rts_threshold(rtwdev, RTW89_MAC_0);
mutex_unlock(&rtwdev->mutex);
return 0;
}
static void rtw89_ops_sta_statistics(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct station_info *sinfo)
{
struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv;
sinfo->txrate = rtwsta->ra_report.txrate;
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
}
static
void __rtw89_drop_packets(struct rtw89_dev *rtwdev, struct ieee80211_vif *vif)
{
struct rtw89_vif *rtwvif;
if (vif) {
rtwvif = (struct rtw89_vif *)vif->drv_priv;
rtw89_mac_pkt_drop_vif(rtwdev, rtwvif);
} else {
rtw89_for_each_rtwvif(rtwdev, rtwvif)
rtw89_mac_pkt_drop_vif(rtwdev, rtwvif);
}
}
static void rtw89_ops_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
u32 queues, bool drop)
{
struct rtw89_dev *rtwdev = hw->priv;
mutex_lock(&rtwdev->mutex);
rtw89_leave_lps(rtwdev);
rtw89_hci_flush_queues(rtwdev, queues, drop);
if (drop && !RTW89_CHK_FW_FEATURE(NO_PACKET_DROP, &rtwdev->fw))
__rtw89_drop_packets(rtwdev, vif);
else
rtw89_mac_flush_txq(rtwdev, queues, drop);
mutex_unlock(&rtwdev->mutex);
}
struct rtw89_iter_bitrate_mask_data {
struct rtw89_dev *rtwdev;
struct ieee80211_vif *vif;
const struct cfg80211_bitrate_mask *mask;
};
static void rtw89_ra_mask_info_update_iter(void *data, struct ieee80211_sta *sta)
{
struct rtw89_iter_bitrate_mask_data *br_data = data;
struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv;
struct ieee80211_vif *vif = rtwvif_to_vif(rtwsta->rtwvif);
if (vif != br_data->vif || vif->p2p)
return;
rtwsta->use_cfg_mask = true;
rtwsta->mask = *br_data->mask;
rtw89_phy_ra_updata_sta(br_data->rtwdev, sta, IEEE80211_RC_SUPP_RATES_CHANGED);
}
static void rtw89_ra_mask_info_update(struct rtw89_dev *rtwdev,
struct ieee80211_vif *vif,
const struct cfg80211_bitrate_mask *mask)
{
struct rtw89_iter_bitrate_mask_data br_data = { .rtwdev = rtwdev,
.vif = vif,
.mask = mask};
ieee80211_iterate_stations_atomic(rtwdev->hw, rtw89_ra_mask_info_update_iter,
&br_data);
}
static int rtw89_ops_set_bitrate_mask(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
const struct cfg80211_bitrate_mask *mask)
{
struct rtw89_dev *rtwdev = hw->priv;
mutex_lock(&rtwdev->mutex);
rtw89_phy_rate_pattern_vif(rtwdev, vif, mask);
rtw89_ra_mask_info_update(rtwdev, vif, mask);
mutex_unlock(&rtwdev->mutex);
return 0;
}
static
int rtw89_ops_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
{
struct rtw89_dev *rtwdev = hw->priv;
struct rtw89_hal *hal = &rtwdev->hal;
if (hal->ant_diversity) {
if (tx_ant != rx_ant || hweight32(tx_ant) != 1)
return -EINVAL;
} else if (rx_ant != hw->wiphy->available_antennas_rx && rx_ant != hal->antenna_rx) {
return -EINVAL;
}
mutex_lock(&rtwdev->mutex);
hal->antenna_tx = tx_ant;
hal->antenna_rx = rx_ant;
hal->tx_path_diversity = false;
hal->ant_diversity_fixed = true;
mutex_unlock(&rtwdev->mutex);
return 0;
}
static
int rtw89_ops_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
{
struct rtw89_dev *rtwdev = hw->priv;
struct rtw89_hal *hal = &rtwdev->hal;
*tx_ant = hal->antenna_tx;
*rx_ant = hal->antenna_rx;
return 0;
}
static void rtw89_ops_sw_scan_start(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
const u8 *mac_addr)
{
struct rtw89_dev *rtwdev = hw->priv;
struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
mutex_lock(&rtwdev->mutex);
rtw89_core_scan_start(rtwdev, rtwvif, mac_addr, false);
mutex_unlock(&rtwdev->mutex);
}
static void rtw89_ops_sw_scan_complete(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct rtw89_dev *rtwdev = hw->priv;
mutex_lock(&rtwdev->mutex);
rtw89_core_scan_complete(rtwdev, vif, false);
mutex_unlock(&rtwdev->mutex);
}
static void rtw89_ops_reconfig_complete(struct ieee80211_hw *hw,
enum ieee80211_reconfig_type reconfig_type)
{
struct rtw89_dev *rtwdev = hw->priv;
if (reconfig_type == IEEE80211_RECONFIG_TYPE_RESTART)
rtw89_ser_recfg_done(rtwdev);
}
static int rtw89_ops_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_scan_request *req)
{
struct rtw89_dev *rtwdev = hw->priv;
struct rtw89_vif *rtwvif = vif_to_rtwvif_safe(vif);
int ret = 0;
if (!RTW89_CHK_FW_FEATURE(SCAN_OFFLOAD, &rtwdev->fw))
return 1;
if (rtwdev->scanning || rtwvif->offchan)
return -EBUSY;
mutex_lock(&rtwdev->mutex);
rtw89_hw_scan_start(rtwdev, vif, req);
ret = rtw89_hw_scan_offload(rtwdev, vif, true);
if (ret) {
rtw89_hw_scan_abort(rtwdev, vif);
rtw89_err(rtwdev, "HW scan failed with status: %d\n", ret);
}
mutex_unlock(&rtwdev->mutex);
return ret;
}
static void rtw89_ops_cancel_hw_scan(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct rtw89_dev *rtwdev = hw->priv;
if (!RTW89_CHK_FW_FEATURE(SCAN_OFFLOAD, &rtwdev->fw))
return;
if (!rtwdev->scanning)
return;
mutex_lock(&rtwdev->mutex);
rtw89_hw_scan_abort(rtwdev, vif);
mutex_unlock(&rtwdev->mutex);
}
static void rtw89_ops_sta_rc_update(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta, u32 changed)
{
struct rtw89_dev *rtwdev = hw->priv;
rtw89_phy_ra_updata_sta(rtwdev, sta, changed);
}
static int rtw89_ops_add_chanctx(struct ieee80211_hw *hw,
struct ieee80211_chanctx_conf *ctx)
{
struct rtw89_dev *rtwdev = hw->priv;
int ret;
mutex_lock(&rtwdev->mutex);
ret = rtw89_chanctx_ops_add(rtwdev, ctx);
mutex_unlock(&rtwdev->mutex);
return ret;
}
static void rtw89_ops_remove_chanctx(struct ieee80211_hw *hw,
struct ieee80211_chanctx_conf *ctx)
{
struct rtw89_dev *rtwdev = hw->priv;
mutex_lock(&rtwdev->mutex);
rtw89_chanctx_ops_remove(rtwdev, ctx);
mutex_unlock(&rtwdev->mutex);
}
static void rtw89_ops_change_chanctx(struct ieee80211_hw *hw,
struct ieee80211_chanctx_conf *ctx,
u32 changed)
{
struct rtw89_dev *rtwdev = hw->priv;
mutex_lock(&rtwdev->mutex);
rtw89_chanctx_ops_change(rtwdev, ctx, changed);
mutex_unlock(&rtwdev->mutex);
}
static int rtw89_ops_assign_vif_chanctx(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 0, 0)
struct ieee80211_bss_conf *link_conf,
#endif
struct ieee80211_chanctx_conf *ctx)
{
struct rtw89_dev *rtwdev = hw->priv;
struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
int ret;
mutex_lock(&rtwdev->mutex);
ret = rtw89_chanctx_ops_assign_vif(rtwdev, rtwvif, ctx);
mutex_unlock(&rtwdev->mutex);
return ret;
}
static void rtw89_ops_unassign_vif_chanctx(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 0, 0)
struct ieee80211_bss_conf *link_conf,
#endif
struct ieee80211_chanctx_conf *ctx)
{
struct rtw89_dev *rtwdev = hw->priv;
struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
mutex_lock(&rtwdev->mutex);
rtw89_chanctx_ops_unassign_vif(rtwdev, rtwvif, ctx);