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mac80211.c
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mac80211.c
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// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/* Copyright(c) 2018-2019 Realtek Corporation
*/
#include "main.h"
#include "sec.h"
#include "tx.h"
#include "fw.h"
#include "mac.h"
#include "coex.h"
#include "ps.h"
#include "reg.h"
#include "bf.h"
#include "debug.h"
#include "wow.h"
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 11, 0)
#include "sar.h"
#endif
static void rtw_ops_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct rtw_dev *rtwdev = hw->priv;
if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) {
ieee80211_free_txskb(hw, skb);
return;
}
rtw_tx(rtwdev, control, skb);
}
static void rtw_ops_wake_tx_queue(struct ieee80211_hw *hw,
struct ieee80211_txq *txq)
{
struct rtw_dev *rtwdev = hw->priv;
struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv;
if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags))
return;
spin_lock_bh(&rtwdev->txq_lock);
if (list_empty(&rtwtxq->list))
list_add_tail(&rtwtxq->list, &rtwdev->txqs);
spin_unlock_bh(&rtwdev->txq_lock);
/* ensure to dequeue EAPOL (4/4) at the right time */
if (txq->ac == IEEE80211_AC_VO)
__rtw_tx_work(rtwdev);
else
queue_work(rtwdev->tx_wq, &rtwdev->tx_work);
}
static int rtw_ops_start(struct ieee80211_hw *hw)
{
struct rtw_dev *rtwdev = hw->priv;
int ret;
mutex_lock(&rtwdev->mutex);
ret = rtw_core_start(rtwdev);
mutex_unlock(&rtwdev->mutex);
return ret;
}
#if (LINUX_VERSION_CODE < KERNEL_VERSION(6, 11, 0))
static void rtw_ops_stop(struct ieee80211_hw *hw)
#else
static void rtw_ops_stop(struct ieee80211_hw *hw, bool suspend)
#endif
{
struct rtw_dev *rtwdev = hw->priv;
mutex_lock(&rtwdev->mutex);
rtw_core_stop(rtwdev);
mutex_unlock(&rtwdev->mutex);
}
static int rtw_ops_config(struct ieee80211_hw *hw, u32 changed)
{
struct rtw_dev *rtwdev = hw->priv;
int ret = 0;
/* let previous ips work finish to ensure we don't leave ips twice */
cancel_work_sync(&rtwdev->ips_work);
mutex_lock(&rtwdev->mutex);
rtw_leave_lps_deep(rtwdev);
if ((changed & IEEE80211_CONF_CHANGE_IDLE) &&
!(hw->conf.flags & IEEE80211_CONF_IDLE)) {
ret = rtw_leave_ips(rtwdev);
if (ret) {
rtw_err(rtwdev, "failed to leave idle state\n");
goto out;
}
}
if (changed & IEEE80211_CONF_CHANGE_CHANNEL)
rtw_set_channel(rtwdev);
if ((changed & IEEE80211_CONF_CHANGE_IDLE) &&
(hw->conf.flags & IEEE80211_CONF_IDLE) &&
!test_bit(RTW_FLAG_SCANNING, rtwdev->flags))
rtw_enter_ips(rtwdev);
out:
mutex_unlock(&rtwdev->mutex);
return ret;
}
static const struct rtw_vif_port rtw_vif_port[] = {
[0] = {
.mac_addr = {.addr = 0x0610},
.bssid = {.addr = 0x0618},
.net_type = {.addr = 0x0100, .mask = 0x30000},
.aid = {.addr = 0x06a8, .mask = 0x7ff},
.bcn_ctrl = {.addr = 0x0550, .mask = 0xff},
},
[1] = {
.mac_addr = {.addr = 0x0700},
.bssid = {.addr = 0x0708},
.net_type = {.addr = 0x0100, .mask = 0xc0000},
.aid = {.addr = 0x0710, .mask = 0x7ff},
.bcn_ctrl = {.addr = 0x0551, .mask = 0xff},
},
[2] = {
.mac_addr = {.addr = 0x1620},
.bssid = {.addr = 0x1628},
.net_type = {.addr = 0x1100, .mask = 0x3},
.aid = {.addr = 0x1600, .mask = 0x7ff},
.bcn_ctrl = {.addr = 0x0578, .mask = 0xff},
},
[3] = {
.mac_addr = {.addr = 0x1630},
.bssid = {.addr = 0x1638},
.net_type = {.addr = 0x1100, .mask = 0xc},
.aid = {.addr = 0x1604, .mask = 0x7ff},
.bcn_ctrl = {.addr = 0x0579, .mask = 0xff},
},
[4] = {
.mac_addr = {.addr = 0x1640},
.bssid = {.addr = 0x1648},
.net_type = {.addr = 0x1100, .mask = 0x30},
.aid = {.addr = 0x1608, .mask = 0x7ff},
.bcn_ctrl = {.addr = 0x057a, .mask = 0xff},
},
};
static int rtw_ops_add_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct rtw_dev *rtwdev = hw->priv;
struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
enum rtw_net_type net_type;
u32 config = 0;
u8 port;
u8 bcn_ctrl = 0;
if (rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER))
vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
IEEE80211_VIF_SUPPORTS_CQM_RSSI;
rtwvif->stats.tx_unicast = 0;
rtwvif->stats.rx_unicast = 0;
rtwvif->stats.tx_cnt = 0;
rtwvif->stats.rx_cnt = 0;
rtwvif->scan_req = NULL;
memset(&rtwvif->bfee, 0, sizeof(struct rtw_bfee));
rtw_txq_init(rtwdev, vif->txq);
INIT_LIST_HEAD(&rtwvif->rsvd_page_list);
mutex_lock(&rtwdev->mutex);
rtwvif->mac_id = rtw_acquire_macid(rtwdev);
if (rtwvif->mac_id >= RTW_MAX_MAC_ID_NUM) {
mutex_unlock(&rtwdev->mutex);
return -ENOSPC;
}
port = find_first_zero_bit(rtwdev->hw_port, RTW_PORT_NUM);
if (port >= RTW_PORT_NUM) {
mutex_unlock(&rtwdev->mutex);
return -EINVAL;
}
set_bit(port, rtwdev->hw_port);
rtwvif->port = port;
rtwvif->conf = &rtw_vif_port[port];
rtw_leave_lps_deep(rtwdev);
switch (vif->type) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_MESH_POINT:
rtw_add_rsvd_page_bcn(rtwdev, rtwvif);
net_type = RTW_NET_AP_MODE;
bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT;
break;
case NL80211_IFTYPE_ADHOC:
rtw_add_rsvd_page_bcn(rtwdev, rtwvif);
net_type = RTW_NET_AD_HOC;
bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT;
break;
case NL80211_IFTYPE_STATION:
rtw_add_rsvd_page_sta(rtwdev, rtwvif);
net_type = RTW_NET_NO_LINK;
bcn_ctrl = BIT_EN_BCN_FUNCTION;
break;
default:
WARN_ON(1);
clear_bit(rtwvif->port, rtwdev->hw_port);
mutex_unlock(&rtwdev->mutex);
return -EINVAL;
}
ether_addr_copy(rtwvif->mac_addr, vif->addr);
config |= PORT_SET_MAC_ADDR;
rtwvif->net_type = net_type;
config |= PORT_SET_NET_TYPE;
rtwvif->bcn_ctrl = bcn_ctrl;
config |= PORT_SET_BCN_CTRL;
rtw_vif_port_config(rtwdev, rtwvif, config);
rtw_core_port_switch(rtwdev, vif);
rtw_recalc_lps(rtwdev, vif);
mutex_unlock(&rtwdev->mutex);
rtw_dbg(rtwdev, RTW_DBG_STATE, "start vif %pM mac_id %d on port %d\n",
vif->addr, rtwvif->mac_id, rtwvif->port);
return 0;
}
static void rtw_ops_remove_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct rtw_dev *rtwdev = hw->priv;
struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
u32 config = 0;
rtw_dbg(rtwdev, RTW_DBG_STATE, "stop vif %pM mac_id %d on port %d\n",
vif->addr, rtwvif->mac_id, rtwvif->port);
mutex_lock(&rtwdev->mutex);
rtw_leave_lps_deep(rtwdev);
rtw_txq_cleanup(rtwdev, vif->txq);
rtw_remove_rsvd_page(rtwdev, rtwvif);
eth_zero_addr(rtwvif->mac_addr);
config |= PORT_SET_MAC_ADDR;
rtwvif->net_type = RTW_NET_NO_LINK;
config |= PORT_SET_NET_TYPE;
rtwvif->bcn_ctrl = 0;
config |= PORT_SET_BCN_CTRL;
rtw_vif_port_config(rtwdev, rtwvif, config);
clear_bit(rtwvif->port, rtwdev->hw_port);
rtw_release_macid(rtwdev, rtwvif->mac_id);
rtw_recalc_lps(rtwdev, NULL);
mutex_unlock(&rtwdev->mutex);
}
static int rtw_ops_change_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
enum nl80211_iftype type, bool p2p)
{
struct rtw_dev *rtwdev = hw->priv;
rtw_dbg(rtwdev, RTW_DBG_STATE, "change vif %pM (%d)->(%d), p2p (%d)->(%d)\n",
vif->addr, vif->type, type, vif->p2p, p2p);
rtw_ops_remove_interface(hw, vif);
vif->type = type;
vif->p2p = p2p;
return rtw_ops_add_interface(hw, vif);
}
static void rtw_ops_configure_filter(struct ieee80211_hw *hw,
unsigned int changed_flags,
unsigned int *new_flags,
u64 multicast)
{
struct rtw_dev *rtwdev = hw->priv;
*new_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_FCSFAIL |
FIF_BCN_PRBRESP_PROMISC;
mutex_lock(&rtwdev->mutex);
rtw_leave_lps_deep(rtwdev);
if (changed_flags & FIF_ALLMULTI) {
if (*new_flags & FIF_ALLMULTI)
rtwdev->hal.rcr |= BIT_AM;
else
rtwdev->hal.rcr &= ~(BIT_AM);
}
if (changed_flags & FIF_FCSFAIL) {
if (*new_flags & FIF_FCSFAIL)
rtwdev->hal.rcr |= BIT_ACRC32;
else
rtwdev->hal.rcr &= ~(BIT_ACRC32);
}
if (changed_flags & FIF_OTHER_BSS) {
if (*new_flags & FIF_OTHER_BSS)
rtwdev->hal.rcr |= BIT_AAP;
else
rtwdev->hal.rcr &= ~(BIT_AAP);
}
if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
if (*new_flags & FIF_BCN_PRBRESP_PROMISC)
rtwdev->hal.rcr &= ~(BIT_CBSSID_BCN | BIT_CBSSID_DATA);
else
rtwdev->hal.rcr |= BIT_CBSSID_BCN;
}
rtw_dbg(rtwdev, RTW_DBG_RX,
"config rx filter, changed=0x%08x, new=0x%08x, rcr=0x%08x\n",
changed_flags, *new_flags, rtwdev->hal.rcr);
rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr);
mutex_unlock(&rtwdev->mutex);
}
/* Only have one group of EDCA parameters now */
static const u32 ac_to_edca_param[IEEE80211_NUM_ACS] = {
[IEEE80211_AC_VO] = REG_EDCA_VO_PARAM,
[IEEE80211_AC_VI] = REG_EDCA_VI_PARAM,
[IEEE80211_AC_BE] = REG_EDCA_BE_PARAM,
[IEEE80211_AC_BK] = REG_EDCA_BK_PARAM,
};
static u8 rtw_aifsn_to_aifs(struct rtw_dev *rtwdev,
struct rtw_vif *rtwvif, u8 aifsn)
{
struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
u8 slot_time;
u8 sifs;
slot_time = vif->bss_conf.use_short_slot ? 9 : 20;
sifs = rtwdev->hal.current_band_type == RTW_BAND_5G ? 16 : 10;
return aifsn * slot_time + sifs;
}
static void __rtw_conf_tx(struct rtw_dev *rtwdev,
struct rtw_vif *rtwvif, u16 ac)
{
struct ieee80211_tx_queue_params *params = &rtwvif->tx_params[ac];
u32 edca_param = ac_to_edca_param[ac];
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 = rtw_aifsn_to_aifs(rtwdev, rtwvif, params->aifs);
rtw_write32_mask(rtwdev, edca_param, BIT_MASK_TXOP_LMT, params->txop);
rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMAX, ecw_max);
rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMIN, ecw_min);
rtw_write32_mask(rtwdev, edca_param, BIT_MASK_AIFS, aifs);
}
static void rtw_conf_tx(struct rtw_dev *rtwdev,
struct rtw_vif *rtwvif)
{
u16 ac;
for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
__rtw_conf_tx(rtwdev, rtwvif, ac);
}
static void rtw_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 rtw_dev *rtwdev = hw->priv;
struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
struct rtw_coex *coex = &rtwdev->coex;
struct rtw_coex_stat *coex_stat = &coex->stat;
u32 config = 0;
mutex_lock(&rtwdev->mutex);
rtw_leave_lps_deep(rtwdev);
if (changed & BSS_CHANGED_ASSOC) {
rtw_vif_assoc_changed(rtwvif, conf);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 0, 0))
if (vif->cfg.assoc) {
#else
if (conf->assoc) {
#endif
rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_FINISH);
rtw_fw_download_rsvd_page(rtwdev);
rtw_send_rsvd_page_h2c(rtwdev);
rtw_fw_default_port(rtwdev, rtwvif);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 0, 0))
rtw_coex_media_status_notify(rtwdev, vif->cfg.assoc);
#else
rtw_coex_media_status_notify(rtwdev, conf->assoc);
#endif
if (rtw_bf_support)
rtw_bf_assoc(rtwdev, vif, conf);
rtw_fw_beacon_filter_config(rtwdev, true, vif);
} else {
rtw_leave_lps(rtwdev);
rtw_bf_disassoc(rtwdev, vif, conf);
/* Abort ongoing scan if cancel_scan isn't issued
* when disconnected by peer
*/
if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags))
rtw_hw_scan_abort(rtwdev);
}
config |= PORT_SET_NET_TYPE;
config |= PORT_SET_AID;
}
if (changed & BSS_CHANGED_BSSID) {
ether_addr_copy(rtwvif->bssid, conf->bssid);
config |= PORT_SET_BSSID;
if (!rtw_core_check_sta_active(rtwdev))
rtw_clear_op_chan(rtwdev);
else
rtw_store_op_chan(rtwdev, true);
}
if (changed & BSS_CHANGED_BEACON_INT) {
if (ieee80211_vif_type_p2p(vif) == NL80211_IFTYPE_STATION)
coex_stat->wl_beacon_interval = conf->beacon_int;
}
if (changed & BSS_CHANGED_BEACON) {
rtw_set_dtim_period(rtwdev, conf->dtim_period);
rtw_fw_download_rsvd_page(rtwdev);
rtw_send_rsvd_page_h2c(rtwdev);
}
if (changed & BSS_CHANGED_BEACON_ENABLED) {
if (conf->enable_beacon)
rtw_write32_set(rtwdev, REG_FWHW_TXQ_CTRL,
BIT_EN_BCNQ_DL);
else
rtw_write32_clr(rtwdev, REG_FWHW_TXQ_CTRL,
BIT_EN_BCNQ_DL);
}
if (changed & BSS_CHANGED_CQM)
rtw_fw_beacon_filter_config(rtwdev, true, vif);
if (changed & BSS_CHANGED_MU_GROUPS)
rtw_chip_set_gid_table(rtwdev, vif, conf);
if (changed & BSS_CHANGED_ERP_SLOT)
rtw_conf_tx(rtwdev, rtwvif);
if (changed & BSS_CHANGED_PS)
rtw_recalc_lps(rtwdev, NULL);
rtw_vif_port_config(rtwdev, rtwvif, config);
mutex_unlock(&rtwdev->mutex);
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 0, 0))
static int rtw_ops_start_ap(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *link_conf)
#else
static int rtw_ops_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
#endif
{
struct rtw_dev *rtwdev = hw->priv;
const struct rtw_chip_info *chip = rtwdev->chip;
mutex_lock(&rtwdev->mutex);
rtw_write32_set(rtwdev, REG_TCR, BIT_TCR_UPDATE_HGQMD);
rtwdev->ap_active = true;
rtw_store_op_chan(rtwdev, true);
chip->ops->phy_calibration(rtwdev);
mutex_unlock(&rtwdev->mutex);
return 0;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 0, 0))
static void rtw_ops_stop_ap(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *link_conf)
#else
static void rtw_ops_stop_ap(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
#endif
{
struct rtw_dev *rtwdev = hw->priv;
mutex_lock(&rtwdev->mutex);
rtw_write32_clr(rtwdev, REG_TCR, BIT_TCR_UPDATE_HGQMD);
rtwdev->ap_active = false;
if (!rtw_core_check_sta_active(rtwdev))
rtw_clear_op_chan(rtwdev);
mutex_unlock(&rtwdev->mutex);
}
static int rtw_ops_conf_tx(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 0, 0))
unsigned int link_id, u16 ac,
#else
u16 ac,
#endif
const struct ieee80211_tx_queue_params *params)
{
struct rtw_dev *rtwdev = hw->priv;
struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
mutex_lock(&rtwdev->mutex);
rtw_leave_lps_deep(rtwdev);
rtwvif->tx_params[ac] = *params;
__rtw_conf_tx(rtwdev, rtwvif, ac);
mutex_unlock(&rtwdev->mutex);
return 0;
}
static int rtw_ops_sta_add(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct rtw_dev *rtwdev = hw->priv;
int ret = 0;
mutex_lock(&rtwdev->mutex);
ret = rtw_sta_add(rtwdev, sta, vif);
mutex_unlock(&rtwdev->mutex);
return ret;
}
static int rtw_ops_sta_remove(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct rtw_dev *rtwdev = hw->priv;
mutex_lock(&rtwdev->mutex);
rtw_fw_beacon_filter_config(rtwdev, false, vif);
rtw_sta_remove(rtwdev, sta, true);
mutex_unlock(&rtwdev->mutex);
return 0;
}
static int rtw_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
bool set)
{
struct rtw_dev *rtwdev = hw->priv;
ieee80211_queue_work(hw, &rtwdev->update_beacon_work);
return 0;
}
static int rtw_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 rtw_dev *rtwdev = hw->priv;
struct rtw_sec_desc *sec = &rtwdev->sec;
u8 hw_key_type;
u8 hw_key_idx;
int ret = 0;
switch (key->cipher) {
case WLAN_CIPHER_SUITE_WEP40:
hw_key_type = RTW_CAM_WEP40;
break;
case WLAN_CIPHER_SUITE_WEP104:
hw_key_type = RTW_CAM_WEP104;
break;
case WLAN_CIPHER_SUITE_TKIP:
hw_key_type = RTW_CAM_TKIP;
key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
break;
case WLAN_CIPHER_SUITE_CCMP:
hw_key_type = RTW_CAM_AES;
key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
break;
case WLAN_CIPHER_SUITE_AES_CMAC:
case WLAN_CIPHER_SUITE_BIP_CMAC_256:
case WLAN_CIPHER_SUITE_BIP_GMAC_128:
case WLAN_CIPHER_SUITE_BIP_GMAC_256:
case WLAN_CIPHER_SUITE_CCMP_256:
case WLAN_CIPHER_SUITE_GCMP:
case WLAN_CIPHER_SUITE_GCMP_256:
/* suppress error messages */
return -EOPNOTSUPP;
default:
return -ENOTSUPP;
}
mutex_lock(&rtwdev->mutex);
rtw_leave_lps_deep(rtwdev);
if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {
hw_key_idx = rtw_sec_get_free_cam(sec);
} else {
/* multiple interfaces? */
hw_key_idx = key->keyidx;
}
if (hw_key_idx > sec->total_cam_num) {
ret = -ENOSPC;
goto out;
}
switch (cmd) {
case SET_KEY:
/* need sw generated IV */
key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
key->hw_key_idx = hw_key_idx;
rtw_sec_write_cam(rtwdev, sec, sta, key,
hw_key_type, hw_key_idx);
break;
case DISABLE_KEY:
rtw_hci_flush_all_queues(rtwdev, false);
rtw_mac_flush_all_queues(rtwdev, false);
rtw_sec_clear_cam(rtwdev, sec, key->hw_key_idx);
break;
}
/* download new cam settings for PG to backup */
if (rtw_get_lps_deep_mode(rtwdev) == LPS_DEEP_MODE_PG)
rtw_fw_download_rsvd_page(rtwdev);
out:
mutex_unlock(&rtwdev->mutex);
return ret;
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 6, 0)
static int rtw_ops_ampdu_action(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_ampdu_params *params)
#else
static int rtw_ops_ampdu_action(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
enum ieee80211_ampdu_mlme_action action,
struct ieee80211_sta *sta, u16 tid, u16 *ssn,
u8 buf_size, bool amsdu)
#endif
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 6, 0)
struct ieee80211_sta *sta = params->sta;
u16 tid = params->tid;
struct ieee80211_txq *txq = sta->txq[tid];
struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv;
switch (params->action) {
#else
switch (action) {
#endif
case IEEE80211_AMPDU_TX_START:
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 5, 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:
clear_bit(RTW_TXQ_AMPDU, &rtwtxq->flags);
ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
break;
case IEEE80211_AMPDU_TX_OPERATIONAL:
set_bit(RTW_TXQ_AMPDU, &rtwtxq->flags);
break;
case IEEE80211_AMPDU_RX_START:
case IEEE80211_AMPDU_RX_STOP:
break;
default:
WARN_ON(1);
return -ENOTSUPP;
}
return 0;
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0)
static bool rtw_ops_can_aggregate_in_amsdu(struct ieee80211_hw *hw,
struct sk_buff *head,
struct sk_buff *skb)
{
struct rtw_dev *rtwdev = hw->priv;
struct rtw_hal *hal = &rtwdev->hal;
/* we don't want to enable TX AMSDU on 2.4G */
if (hal->current_band_type == RTW_BAND_2G)
return false;
return true;
}
#endif
static void rtw_ops_sw_scan_start(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
const u8 *mac_addr)
{
struct rtw_dev *rtwdev = hw->priv;
struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
mutex_lock(&rtwdev->mutex);
rtw_core_scan_start(rtwdev, rtwvif, mac_addr, false);
mutex_unlock(&rtwdev->mutex);
}
static void rtw_ops_sw_scan_complete(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct rtw_dev *rtwdev = hw->priv;
mutex_lock(&rtwdev->mutex);
rtw_core_scan_complete(rtwdev, vif, false);
mutex_unlock(&rtwdev->mutex);
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 18, 0)
static void rtw_ops_mgd_prepare_tx(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,14,0))
struct ieee80211_prep_tx_info *info)
#else
u16 duration)
#endif
#else
static void rtw_ops_mgd_prepare_tx(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
#endif
{
struct rtw_dev *rtwdev = hw->priv;
mutex_lock(&rtwdev->mutex);
rtw_leave_lps_deep(rtwdev);
rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_START);
rtw_chip_prepare_tx(rtwdev);
mutex_unlock(&rtwdev->mutex);
}
static int rtw_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
{
struct rtw_dev *rtwdev = hw->priv;
mutex_lock(&rtwdev->mutex);
rtwdev->rts_threshold = value;
mutex_unlock(&rtwdev->mutex);
return 0;
}
static void rtw_ops_sta_statistics(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct station_info *sinfo)
{
struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv;
sinfo->txrate = si->ra_report.txrate;
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
}
static void rtw_ops_flush(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
u32 queues, bool drop)
{
struct rtw_dev *rtwdev = hw->priv;
mutex_lock(&rtwdev->mutex);
rtw_leave_lps_deep(rtwdev);
rtw_hci_flush_queues(rtwdev, queues, drop);
rtw_mac_flush_queues(rtwdev, queues, drop);
mutex_unlock(&rtwdev->mutex);
}
struct rtw_iter_bitrate_mask_data {
struct rtw_dev *rtwdev;
struct ieee80211_vif *vif;
const struct cfg80211_bitrate_mask *mask;
};
static void rtw_ra_mask_info_update_iter(void *data, struct ieee80211_sta *sta)
{
struct rtw_iter_bitrate_mask_data *br_data = data;
struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv;
if (si->vif != br_data->vif)
return;
/* free previous mask setting */
kfree(si->mask);
si->mask = kmemdup(br_data->mask, sizeof(struct cfg80211_bitrate_mask),
GFP_ATOMIC);
if (!si->mask) {
si->use_cfg_mask = false;
return;
}
si->use_cfg_mask = true;
rtw_update_sta_info(br_data->rtwdev, si, true);
}
static void rtw_ra_mask_info_update(struct rtw_dev *rtwdev,
struct ieee80211_vif *vif,
const struct cfg80211_bitrate_mask *mask)
{
struct rtw_iter_bitrate_mask_data br_data;
br_data.rtwdev = rtwdev;
br_data.vif = vif;
br_data.mask = mask;
rtw_iterate_stas(rtwdev, rtw_ra_mask_info_update_iter, &br_data);
}
static int rtw_ops_set_bitrate_mask(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
const struct cfg80211_bitrate_mask *mask)
{
struct rtw_dev *rtwdev = hw->priv;
mutex_lock(&rtwdev->mutex);
rtw_ra_mask_info_update(rtwdev, vif, mask);
mutex_unlock(&rtwdev->mutex);
return 0;
}
static int rtw_ops_set_antenna(struct ieee80211_hw *hw,
u32 tx_antenna,
u32 rx_antenna)
{
struct rtw_dev *rtwdev = hw->priv;
const struct rtw_chip_info *chip = rtwdev->chip;
int ret;
if (!chip->ops->set_antenna)
return -EOPNOTSUPP;
mutex_lock(&rtwdev->mutex);
ret = chip->ops->set_antenna(rtwdev, tx_antenna, rx_antenna);
mutex_unlock(&rtwdev->mutex);
return ret;
}
static int rtw_ops_get_antenna(struct ieee80211_hw *hw,
u32 *tx_antenna,
u32 *rx_antenna)
{
struct rtw_dev *rtwdev = hw->priv;
struct rtw_hal *hal = &rtwdev->hal;
*tx_antenna = hal->antenna_tx;
*rx_antenna = hal->antenna_rx;
return 0;
}
#ifdef CONFIG_PM
static int rtw_ops_suspend(struct ieee80211_hw *hw,
struct cfg80211_wowlan *wowlan)
{
struct rtw_dev *rtwdev = hw->priv;
int ret;
mutex_lock(&rtwdev->mutex);
ret = rtw_wow_suspend(rtwdev, wowlan);
if (ret)
rtw_err(rtwdev, "failed to suspend for wow %d\n", ret);
mutex_unlock(&rtwdev->mutex);
return ret ? 1 : 0;
}
static int rtw_ops_resume(struct ieee80211_hw *hw)
{
struct rtw_dev *rtwdev = hw->priv;
int ret;
mutex_lock(&rtwdev->mutex);
ret = rtw_wow_resume(rtwdev);
if (ret)
rtw_err(rtwdev, "failed to resume for wow %d\n", ret);
mutex_unlock(&rtwdev->mutex);
return ret ? 1 : 0;
}
static void rtw_ops_set_wakeup(struct ieee80211_hw *hw, bool enabled)
{
struct rtw_dev *rtwdev = hw->priv;
device_set_wakeup_enable(rtwdev->dev, enabled);
}
#endif
static void rtw_reconfig_complete(struct ieee80211_hw *hw,
enum ieee80211_reconfig_type reconfig_type)
{
struct rtw_dev *rtwdev = hw->priv;
mutex_lock(&rtwdev->mutex);
if (reconfig_type == IEEE80211_RECONFIG_TYPE_RESTART)
clear_bit(RTW_FLAG_RESTARTING, rtwdev->flags);
mutex_unlock(&rtwdev->mutex);
}
static int rtw_ops_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_scan_request *req)
{
struct rtw_dev *rtwdev = hw->priv;
int ret;
if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD))
return 1;
if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags))
return -EBUSY;
mutex_lock(&rtwdev->mutex);
rtw_hw_scan_start(rtwdev, vif, req);
ret = rtw_hw_scan_offload(rtwdev, vif, true);
if (ret) {
rtw_hw_scan_abort(rtwdev);
rtw_err(rtwdev, "HW scan failed with status: %d\n", ret);
}
mutex_unlock(&rtwdev->mutex);
return ret;
}
static void rtw_ops_cancel_hw_scan(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct rtw_dev *rtwdev = hw->priv;
if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD))
return;
if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags))
return;
mutex_lock(&rtwdev->mutex);
rtw_hw_scan_abort(rtwdev);
mutex_unlock(&rtwdev->mutex);
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 11, 0)
static int rtw_ops_set_sar_specs(struct ieee80211_hw *hw,
const struct cfg80211_sar_specs *sar)
{
struct rtw_dev *rtwdev = hw->priv;
mutex_lock(&rtwdev->mutex);
rtw_set_sar_specs(rtwdev, sar);
mutex_unlock(&rtwdev->mutex);
return 0;
}
#endif
static void rtw_ops_sta_rc_update(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta, u32 changed)
{
struct rtw_dev *rtwdev = hw->priv;
struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv;
if (changed & IEEE80211_RC_BW_CHANGED)
ieee80211_queue_work(rtwdev->hw, &si->rc_work);
}
const struct ieee80211_ops rtw_ops = {