#include <linux/etherdevice.h>
#include <linux/platform_device.h>
#include <linux/pci.h>
#include <linux/module.h>
#include <net/ipv6.h>
#include "mt7921.h"
#include "regd.h"
#include "mcu.h"
static int
mt7921_init_he_caps(struct mt792x_phy *phy, enum nl80211_band band,
struct ieee80211_sband_iftype_data *data)
{
int i, idx = 0;
int nss = hweight8(phy->mt76->chainmask);
u16 mcs_map = 0;
for (i = 0; i < 8; i++) {
if (i < nss)
mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2));
else
mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2));
}
for (i = 0; i < NUM_NL80211_IFTYPES; i++) {
struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap;
struct ieee80211_he_cap_elem *he_cap_elem =
&he_cap->he_cap_elem;
struct ieee80211_he_mcs_nss_supp *he_mcs =
&he_cap->he_mcs_nss_supp;
switch (i) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_AP:
break;
default:
continue;
}
data[idx].types_mask = BIT(i);
he_cap->has_he = true;
he_cap_elem->mac_cap_info[0] =
IEEE80211_HE_MAC_CAP0_HTC_HE;
he_cap_elem->mac_cap_info[3] =
IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3;
he_cap_elem->mac_cap_info[4] =
IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU;
if (band == NL80211_BAND_2GHZ)
he_cap_elem->phy_cap_info[0] =
IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
else
he_cap_elem->phy_cap_info[0] =
IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G;
he_cap_elem->phy_cap_info[1] =
IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD;
he_cap_elem->phy_cap_info[2] =
IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US |
IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ |
IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ |
IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO |
IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO;
switch (i) {
case NL80211_IFTYPE_AP:
he_cap_elem->mac_cap_info[2] |=
IEEE80211_HE_MAC_CAP2_BSR;
he_cap_elem->mac_cap_info[4] |=
IEEE80211_HE_MAC_CAP4_BQR;
he_cap_elem->mac_cap_info[5] |=
IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX;
he_cap_elem->phy_cap_info[3] |=
IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK |
IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK;
he_cap_elem->phy_cap_info[6] |=
IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE |
IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;
he_cap_elem->phy_cap_info[9] |=
IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |
IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU;
if (is_mt7922(phy->mt76->dev)) {
he_cap_elem->phy_cap_info[0] |=
IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
}
break;
case NL80211_IFTYPE_STATION:
he_cap_elem->mac_cap_info[1] |=
IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US;
if (band == NL80211_BAND_2GHZ)
he_cap_elem->phy_cap_info[0] |=
IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G;
else
he_cap_elem->phy_cap_info[0] |=
IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G;
he_cap_elem->phy_cap_info[1] |=
IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A |
IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US;
he_cap_elem->phy_cap_info[3] |=
IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK |
IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK;
he_cap_elem->phy_cap_info[4] |=
IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE |
IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4;
he_cap_elem->phy_cap_info[5] |=
IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK |
IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK;
he_cap_elem->phy_cap_info[6] |=
IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU |
IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU |
IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB |
IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE |
IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;
he_cap_elem->phy_cap_info[7] |=
IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP |
IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI;
he_cap_elem->phy_cap_info[8] |=
IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G |
IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484;
he_cap_elem->phy_cap_info[9] |=
IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM |
IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK |
IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |
IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU |
IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB |
IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB;
if (is_mt7922(phy->mt76->dev)) {
he_cap_elem->phy_cap_info[0] |=
IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
he_cap_elem->phy_cap_info[4] |=
IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4;
he_cap_elem->phy_cap_info[8] |=
IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU |
IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU;
}
break;
}
he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map);
he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map);
if (is_mt7922(phy->mt76->dev)) {
he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map);
he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map);
}
memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres));
if (he_cap_elem->phy_cap_info[6] &
IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
mt76_connac_gen_ppe_thresh(he_cap->ppe_thres, nss, band);
} else {
he_cap_elem->phy_cap_info[9] |=
u8_encode_bits(IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US,
IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK);
}
if (band == NL80211_BAND_6GHZ) {
struct ieee80211_supported_band *sband =
&phy->mt76->sband_5g.sband;
struct ieee80211_sta_vht_cap *vht_cap = &sband->vht_cap;
struct ieee80211_sta_ht_cap *ht_cap = &sband->ht_cap;
u32 exp;
u16 cap;
cap = u16_encode_bits(ht_cap->ampdu_density,
IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START);
exp = u32_get_bits(vht_cap->cap,
IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK);
cap |= u16_encode_bits(exp,
IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP);
exp = u32_get_bits(vht_cap->cap,
IEEE80211_VHT_CAP_MAX_MPDU_MASK);
cap |= u16_encode_bits(exp,
IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN);
if (vht_cap->cap & IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN)
cap |= IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS;
if (vht_cap->cap & IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN)
cap |= IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS;
data[idx].he_6ghz_capa.capa = cpu_to_le16(cap);
}
idx++;
}
return idx;
}
void mt7921_set_stream_he_caps(struct mt792x_phy *phy)
{
struct ieee80211_sband_iftype_data *data;
struct ieee80211_supported_band *band;
int n;
if (phy->mt76->cap.has_2ghz) {
data = phy->iftype[NL80211_BAND_2GHZ];
n = mt7921_init_he_caps(phy, NL80211_BAND_2GHZ, data);
band = &phy->mt76->sband_2g.sband;
_ieee80211_set_sband_iftype_data(band, data, n);
}
if (phy->mt76->cap.has_5ghz) {
data = phy->iftype[NL80211_BAND_5GHZ];
n = mt7921_init_he_caps(phy, NL80211_BAND_5GHZ, data);
band = &phy->mt76->sband_5g.sband;
_ieee80211_set_sband_iftype_data(band, data, n);
if (phy->mt76->cap.has_6ghz) {
data = phy->iftype[NL80211_BAND_6GHZ];
n = mt7921_init_he_caps(phy, NL80211_BAND_6GHZ, data);
band = &phy->mt76->sband_6g.sband;
_ieee80211_set_sband_iftype_data(band, data, n);
}
}
}
int __mt7921_start(struct mt792x_phy *phy)
{
struct mt76_phy *mphy = phy->mt76;
int err;
err = mt76_connac_mcu_set_mac_enable(mphy->dev, 0, true, false);
if (err)
return err;
err = mt76_connac_mcu_set_channel_domain(mphy);
if (err)
return err;
err = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH));
if (err)
return err;
err = mt7921_set_tx_sar_pwr(mphy->hw, NULL);
if (err)
return err;
mt792x_mac_reset_counters(phy);
set_bit(MT76_STATE_RUNNING, &mphy->state);
ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work,
MT792x_WATCHDOG_TIME);
if (mt76_is_mmio(mphy->dev)) {
err = mt7921_mcu_radio_led_ctrl(phy->dev, EXT_CMD_RADIO_LED_CTRL_ENABLE);
if (err)
return err;
err = mt7921_mcu_radio_led_ctrl(phy->dev, EXT_CMD_RADIO_ON_LED);
if (err)
return err;
}
if (phy->chip_cap & MT792x_CHIP_CAP_WF_RF_PIN_CTRL_EVT_EN) {
mt7921_mcu_wf_rf_pin_ctrl(phy, WF_RF_PIN_INIT);
wiphy_rfkill_start_polling(mphy->hw->wiphy);
}
return 0;
}
EXPORT_SYMBOL_GPL(__mt7921_start);
static int mt7921_start(struct ieee80211_hw *hw)
{
struct mt792x_phy *phy = mt792x_hw_phy(hw);
int err;
mt792x_mutex_acquire(phy->dev);
err = __mt7921_start(phy);
mt792x_mutex_release(phy->dev);
return err;
}
static void mt7921_stop(struct ieee80211_hw *hw, bool suspend)
{
struct mt792x_dev *dev = mt792x_hw_dev(hw);
int err = 0;
if (mt76_is_mmio(&dev->mt76)) {
mt792x_mutex_acquire(dev);
err = mt7921_mcu_radio_led_ctrl(dev, EXT_CMD_RADIO_OFF_LED);
mt792x_mutex_release(dev);
if (err)
return;
}
mt792x_stop(hw, false);
}
static int
mt7921_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct mt792x_dev *dev = mt792x_hw_dev(hw);
struct mt792x_phy *phy = mt792x_hw_phy(hw);
struct mt76_txq *mtxq;
int idx, ret = 0;
mt792x_mutex_acquire(dev);
mvif->bss_conf.mt76.idx = __ffs64(~dev->mt76.vif_mask);
if (mvif->bss_conf.mt76.idx >= MT792x_MAX_INTERFACES) {
ret = -ENOSPC;
goto out;
}
mvif->bss_conf.mt76.omac_idx = mvif->bss_conf.mt76.idx;
mvif->phy = phy;
mvif->bss_conf.vif = mvif;
mvif->bss_conf.mt76.band_idx = 0;
mvif->bss_conf.mt76.wmm_idx = mvif->bss_conf.mt76.idx % MT76_CONNAC_MAX_WMM_SETS;
ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, &vif->bss_conf,
&mvif->bss_conf.mt76,
&mvif->sta.deflink.wcid, true);
if (ret)
goto out;
dev->mt76.vif_mask |= BIT_ULL(mvif->bss_conf.mt76.idx);
phy->omac_mask |= BIT_ULL(mvif->bss_conf.mt76.omac_idx);
idx = MT792x_WTBL_RESERVED - mvif->bss_conf.mt76.idx;
INIT_LIST_HEAD(&mvif->sta.deflink.wcid.poll_list);
mvif->sta.deflink.wcid.idx = idx;
mvif->sta.deflink.wcid.tx_info |= MT_WCID_TX_INFO_SET;
mt76_wcid_init(&mvif->sta.deflink.wcid, mvif->bss_conf.mt76.band_idx);
mt7921_mac_wtbl_update(dev, idx,
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
ewma_rssi_init(&mvif->bss_conf.rssi);
rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.deflink.wcid);
if (vif->txq) {
mtxq = (struct mt76_txq *)vif->txq->drv_priv;
mtxq->wcid = idx;
}
vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
if (phy->chip_cap & MT792x_CHIP_CAP_RSSI_NOTIFY_EVT_EN)
vif->driver_flags |= IEEE80211_VIF_SUPPORTS_CQM_RSSI;
INIT_WORK(&mvif->csa_work, mt7921_csa_work);
timer_setup(&mvif->csa_timer, mt792x_csa_timer, 0);
out:
mt792x_mutex_release(dev);
return ret;
}
static void mt7921_roc_iter(void *priv, u8 *mac,
struct ieee80211_vif *vif)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct mt792x_phy *phy = priv;
mt7921_mcu_abort_roc(phy, mvif, phy->roc_token_id);
}
void mt7921_roc_abort_sync(struct mt792x_dev *dev)
{
struct mt792x_phy *phy = &dev->phy;
if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
return;
timer_delete_sync(&phy->roc_timer);
cancel_work(&phy->roc_work);
ieee80211_iterate_interfaces(mt76_hw(dev),
IEEE80211_IFACE_ITER_RESUME_ALL,
mt7921_roc_iter, (void *)phy);
}
EXPORT_SYMBOL_GPL(mt7921_roc_abort_sync);
void mt7921_roc_work(struct work_struct *work)
{
struct mt792x_phy *phy;
phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy,
roc_work);
mt792x_mutex_acquire(phy->dev);
if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) {
mt792x_mutex_release(phy->dev);
return;
}
ieee80211_iterate_active_interfaces(phy->mt76->hw,
IEEE80211_IFACE_ITER_RESUME_ALL,
mt7921_roc_iter, phy);
mt792x_mutex_release(phy->dev);
ieee80211_remain_on_channel_expired(phy->mt76->hw);
}
static int mt7921_abort_roc(struct mt792x_phy *phy, struct mt792x_vif *vif)
{
int err = 0;
timer_delete_sync(&phy->roc_timer);
cancel_work_sync(&phy->roc_work);
mt792x_mutex_acquire(phy->dev);
if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
err = mt7921_mcu_abort_roc(phy, vif, phy->roc_token_id);
mt792x_mutex_release(phy->dev);
return err;
}
static int mt7921_set_roc(struct mt792x_phy *phy,
struct mt792x_vif *vif,
struct ieee80211_channel *chan,
int duration,
enum mt7921_roc_req type)
{
int err;
if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state))
return -EBUSY;
phy->roc_grant = false;
err = mt7921_mcu_set_roc(phy, vif, chan, duration, type,
++phy->roc_token_id);
if (err < 0) {
clear_bit(MT76_STATE_ROC, &phy->mt76->state);
goto out;
}
if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) {
mt7921_mcu_abort_roc(phy, vif, phy->roc_token_id);
clear_bit(MT76_STATE_ROC, &phy->mt76->state);
err = -ETIMEDOUT;
}
out:
return err;
}
static int mt7921_remain_on_channel(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_channel *chan,
int duration,
enum ieee80211_roc_type type)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct mt792x_phy *phy = mt792x_hw_phy(hw);
int err;
mt792x_mutex_acquire(phy->dev);
err = mt7921_set_roc(phy, mvif, chan, duration, MT7921_ROC_REQ_ROC);
mt792x_mutex_release(phy->dev);
return err;
}
static int mt7921_cancel_remain_on_channel(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct mt792x_phy *phy = mt792x_hw_phy(hw);
return mt7921_abort_roc(phy, mvif);
}
int mt7921_set_channel(struct mt76_phy *mphy)
{
struct mt792x_phy *phy = mphy->priv;
struct mt792x_dev *dev = phy->dev;
int ret;
mt76_connac_pm_wake(mphy, &dev->pm);
ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH));
if (ret)
goto out;
mt792x_mac_set_timeing(phy);
mt792x_mac_reset_counters(phy);
phy->noise = 0;
out:
mt76_connac_power_save_sched(mphy, &dev->pm);
ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work,
MT792x_WATCHDOG_TIME);
return ret;
}
EXPORT_SYMBOL_GPL(mt7921_set_channel);
static int mt7921_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 mt792x_dev *dev = mt792x_hw_dev(hw);
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv :
&mvif->sta;
struct mt76_wcid *wcid = &msta->deflink.wcid;
u8 *wcid_keyidx = &wcid->hw_key_idx;
int idx = key->keyidx, err = 0;
if ((vif->type == NL80211_IFTYPE_ADHOC ||
vif->type == NL80211_IFTYPE_MESH_POINT) &&
(key->cipher == WLAN_CIPHER_SUITE_TKIP ||
key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
return -EOPNOTSUPP;
switch (key->cipher) {
case WLAN_CIPHER_SUITE_AES_CMAC:
key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
wcid_keyidx = &wcid->hw_key_idx2;
break;
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_WEP104:
if (!mvif->wep_sta)
return -EOPNOTSUPP;
break;
case WLAN_CIPHER_SUITE_TKIP:
case WLAN_CIPHER_SUITE_CCMP:
case WLAN_CIPHER_SUITE_CCMP_256:
case WLAN_CIPHER_SUITE_GCMP:
case WLAN_CIPHER_SUITE_GCMP_256:
case WLAN_CIPHER_SUITE_SMS4:
break;
default:
return -EOPNOTSUPP;
}
mt792x_mutex_acquire(dev);
if (cmd == SET_KEY) {
*wcid_keyidx = idx;
} else {
if (idx == *wcid_keyidx)
*wcid_keyidx = -1;
if (vif->type != NL80211_IFTYPE_STATION || vif->cfg.assoc)
goto out;
}
mt76_wcid_key_setup(&dev->mt76, wcid, key);
err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->deflink.bip,
key, MCU_UNI_CMD(STA_REC_UPDATE),
&msta->deflink.wcid, cmd);
if (err)
goto out;
if (key->cipher == WLAN_CIPHER_SUITE_WEP104 ||
key->cipher == WLAN_CIPHER_SUITE_WEP40)
err = mt76_connac_mcu_add_key(&dev->mt76, vif,
&mvif->wep_sta->deflink.bip,
key, MCU_UNI_CMD(STA_REC_UPDATE),
&mvif->wep_sta->deflink.wcid, cmd);
out:
mt792x_mutex_release(dev);
return err;
}
static void
mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
{
struct mt792x_dev *dev = priv;
struct ieee80211_hw *hw = mt76_hw(dev);
bool pm_enable = dev->pm.enable;
int err;
err = mt7921_mcu_set_beacon_filter(dev, vif, pm_enable);
if (err < 0)
return;
if (pm_enable) {
vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
ieee80211_hw_set(hw, CONNECTION_MONITOR);
} else {
vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER;
__clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags);
}
}
static void
mt7921_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
{
struct mt792x_dev *dev = priv;
struct ieee80211_hw *hw = mt76_hw(dev);
struct mt76_connac_pm *pm = &dev->pm;
bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);
mt7921_mcu_set_sniffer(dev, vif, monitor);
pm->enable = pm->enable_user && !monitor;
pm->ds_enable = pm->ds_enable_user && !monitor;
mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable);
if (monitor)
mt7921_mcu_set_beacon_filter(dev, vif, false);
}
void mt7921_set_runtime_pm(struct mt792x_dev *dev)
{
struct ieee80211_hw *hw = mt76_hw(dev);
struct mt76_connac_pm *pm = &dev->pm;
bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);
pm->enable = pm->enable_user && !monitor;
ieee80211_iterate_active_interfaces(hw,
IEEE80211_IFACE_ITER_RESUME_ALL,
mt7921_pm_interface_iter, dev);
pm->ds_enable = pm->ds_enable_user && !monitor;
mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable);
}
static int mt7921_config(struct ieee80211_hw *hw, int radio_idx, u32 changed)
{
struct mt792x_dev *dev = mt792x_hw_dev(hw);
struct mt792x_phy *phy = mt792x_hw_phy(hw);
int ret = 0;
if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
ret = mt76_update_channel(phy->mt76);
if (ret)
return ret;
}
mt792x_mutex_acquire(dev);
if (changed & IEEE80211_CONF_CHANGE_POWER) {
ret = mt7921_set_tx_sar_pwr(hw, NULL);
if (ret)
goto out;
}
if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
ieee80211_iterate_active_interfaces(hw,
IEEE80211_IFACE_ITER_RESUME_ALL,
mt7921_sniffer_interface_iter, dev);
}
out:
mt792x_mutex_release(dev);
return ret;
}
static void mt7921_configure_filter(struct ieee80211_hw *hw,
unsigned int changed_flags,
unsigned int *total_flags,
u64 multicast)
{
#define MT7921_FILTER_FCSFAIL BIT(2)
#define MT7921_FILTER_CONTROL BIT(5)
#define MT7921_FILTER_OTHER_BSS BIT(6)
#define MT7921_FILTER_ENABLE BIT(31)
struct mt792x_dev *dev = mt792x_hw_dev(hw);
u32 flags = MT7921_FILTER_ENABLE;
#define MT7921_FILTER(_fif, _type) do { \
if (*total_flags & (_fif)) \
flags |= MT7921_FILTER_##_type; \
} while (0)
MT7921_FILTER(FIF_FCSFAIL, FCSFAIL);
MT7921_FILTER(FIF_CONTROL, CONTROL);
MT7921_FILTER(FIF_OTHER_BSS, OTHER_BSS);
mt792x_mutex_acquire(dev);
mt7921_mcu_set_rxfilter(dev, flags, 0, 0);
mt792x_mutex_release(dev);
*total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL);
}
static void mt7921_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *info,
u64 changed)
{
struct mt792x_phy *phy = mt792x_hw_phy(hw);
struct mt792x_dev *dev = mt792x_hw_dev(hw);
mt792x_mutex_acquire(dev);
if (changed & BSS_CHANGED_ERP_SLOT) {
int slottime = info->use_short_slot ? 9 : 20;
if (slottime != phy->slottime) {
phy->slottime = slottime;
mt792x_mac_set_timeing(phy);
}
}
if (changed & (BSS_CHANGED_BEACON |
BSS_CHANGED_BEACON_ENABLED))
mt7921_mcu_uni_add_beacon_offload(dev, hw, vif,
info->enable_beacon);
if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED))
mt7921_mcu_set_tx(dev, vif);
if (changed & BSS_CHANGED_PS)
mt7921_mcu_uni_bss_ps(dev, vif);
if (changed & BSS_CHANGED_CQM)
mt7921_mcu_set_rssimonitor(dev, vif);
if (changed & BSS_CHANGED_ASSOC) {
mt7921_mcu_sta_update(dev, NULL, vif, true,
MT76_STA_INFO_STATE_ASSOC);
mt7921_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc);
}
if (changed & BSS_CHANGED_ARP_FILTER) {
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->bss_conf.mt76,
info);
}
mt792x_mutex_release(dev);
}
static void
mt7921_calc_vif_num(void *priv, u8 *mac, struct ieee80211_vif *vif)
{
u32 *num = priv;
if (!priv)
return;
switch (vif->type) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
*num += 1;
break;
default:
break;
}
}
static void
mt7921_regd_set_6ghz_power_type(struct ieee80211_vif *vif, bool is_add)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct mt792x_phy *phy = mvif->phy;
struct mt792x_dev *dev = phy->dev;
u32 valid_vif_num = 0;
ieee80211_iterate_active_interfaces(mt76_hw(dev),
IEEE80211_IFACE_ITER_RESUME_ALL,
mt7921_calc_vif_num, &valid_vif_num);
if (valid_vif_num > 1) {
phy->power_type = MT_AP_DEFAULT;
goto out;
}
if (!is_add)
vif->bss_conf.power_type = IEEE80211_REG_UNSET_AP;
switch (vif->bss_conf.power_type) {
case IEEE80211_REG_SP_AP:
phy->power_type = MT_AP_SP;
break;
case IEEE80211_REG_VLP_AP:
phy->power_type = MT_AP_VLP;
break;
case IEEE80211_REG_LPI_AP:
phy->power_type = MT_AP_LPI;
break;
case IEEE80211_REG_UNSET_AP:
phy->power_type = MT_AP_UNSET;
break;
default:
phy->power_type = MT_AP_DEFAULT;
break;
}
out:
if (vif->bss_conf.chanreq.oper.chan->band == NL80211_BAND_6GHZ)
mt7921_mcu_regd_update(dev, dev->mt76.alpha2, dev->country_ie_env);
}
int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
int ret, idx;
if (sta->aid > MT7921_MAX_AID)
return -ENOENT;
idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1);
if (idx < 0)
return -ENOSPC;
INIT_LIST_HEAD(&msta->deflink.wcid.poll_list);
msta->vif = mvif;
msta->deflink.wcid.sta = 1;
msta->deflink.wcid.idx = idx;
msta->deflink.wcid.phy_idx = mvif->bss_conf.mt76.band_idx;
msta->deflink.wcid.tx_info |= MT_WCID_TX_INFO_SET;
msta->deflink.last_txs = jiffies;
msta->deflink.sta = msta;
if (sta->tdls)
set_bit(MT_WCID_FLAG_TDLS_PEER, &msta->deflink.wcid.flags);
ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm);
if (ret)
return ret;
if (vif->type == NL80211_IFTYPE_STATION)
mvif->wep_sta = msta;
mt7921_mac_wtbl_update(dev, idx,
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
ret = mt7921_mcu_sta_update(dev, sta, vif, true,
MT76_STA_INFO_STATE_NONE);
if (ret)
return ret;
mt7921_regd_set_6ghz_power_type(vif, true);
mt76_connac_power_save_sched(&dev->mphy, &dev->pm);
return 0;
}
EXPORT_SYMBOL_GPL(mt7921_mac_sta_add);
int mt7921_mac_sta_event(struct mt76_dev *mdev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, enum mt76_sta_event ev)
{
struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
if (sta->aid > MT7921_MAX_AID)
return -ENOENT;
if (ev != MT76_STA_EVENT_ASSOC)
return 0;
mt792x_mutex_acquire(dev);
if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.deflink.wcid,
true, mvif->bss_conf.mt76.ctx);
ewma_avg_signal_init(&msta->deflink.avg_ack_signal);
mt7921_mac_wtbl_update(dev, msta->deflink.wcid.idx,
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
memset(msta->deflink.airtime_ac, 0, sizeof(msta->deflink.airtime_ac));
mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC);
mt792x_mutex_release(dev);
return 0;
}
EXPORT_SYMBOL_GPL(mt7921_mac_sta_event);
void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
mt7921_roc_abort_sync(dev);
mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->deflink.wcid);
mt76_connac_pm_wake(&dev->mphy, &dev->pm);
mt7921_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE);
mt7921_mac_wtbl_update(dev, msta->deflink.wcid.idx,
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
if (vif->type == NL80211_IFTYPE_STATION) {
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
mvif->wep_sta = NULL;
ewma_rssi_init(&mvif->bss_conf.rssi);
if (!sta->tdls)
mt76_connac_mcu_uni_add_bss(&dev->mphy, vif,
&mvif->sta.deflink.wcid, false,
mvif->bss_conf.mt76.ctx);
}
spin_lock_bh(&dev->mt76.sta_poll_lock);
if (!list_empty(&msta->deflink.wcid.poll_list))
list_del_init(&msta->deflink.wcid.poll_list);
spin_unlock_bh(&dev->mt76.sta_poll_lock);
mt7921_regd_set_6ghz_power_type(vif, false);
mt76_connac_power_save_sched(&dev->mphy, &dev->pm);
}
EXPORT_SYMBOL_GPL(mt7921_mac_sta_remove);
static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, int radio_idx,
u32 val)
{
struct mt792x_dev *dev = mt792x_hw_dev(hw);
mt792x_mutex_acquire(dev);
mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0);
mt792x_mutex_release(dev);
return 0;
}
static int
mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_ampdu_params *params)
{
enum ieee80211_ampdu_mlme_action action = params->action;
struct mt792x_dev *dev = mt792x_hw_dev(hw);
struct ieee80211_sta *sta = params->sta;
struct ieee80211_txq *txq = sta->txq[params->tid];
struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
u16 tid = params->tid;
u16 ssn = params->ssn;
struct mt76_txq *mtxq;
int ret = 0;
if (!txq)
return -EINVAL;
mtxq = (struct mt76_txq *)txq->drv_priv;
mt792x_mutex_acquire(dev);
switch (action) {
case IEEE80211_AMPDU_RX_START:
mt76_rx_aggr_start(&dev->mt76, &msta->deflink.wcid, tid, ssn,
params->buf_size);
mt7921_mcu_uni_rx_ba(dev, params, true);
break;
case IEEE80211_AMPDU_RX_STOP:
mt76_rx_aggr_stop(&dev->mt76, &msta->deflink.wcid, tid);
mt7921_mcu_uni_rx_ba(dev, params, false);
break;
case IEEE80211_AMPDU_TX_OPERATIONAL:
mtxq->aggr = true;
mtxq->send_bar = false;
mt7921_mcu_uni_tx_ba(dev, params, true);
break;
case IEEE80211_AMPDU_TX_STOP_FLUSH:
case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
mtxq->aggr = false;
clear_bit(tid, &msta->deflink.wcid.ampdu_state);
mt7921_mcu_uni_tx_ba(dev, params, false);
break;
case IEEE80211_AMPDU_TX_START:
set_bit(tid, &msta->deflink.wcid.ampdu_state);
ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
break;
case IEEE80211_AMPDU_TX_STOP_CONT:
mtxq->aggr = false;
clear_bit(tid, &msta->deflink.wcid.ampdu_state);
mt7921_mcu_uni_tx_ba(dev, params, false);
ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
break;
}
mt792x_mutex_release(dev);
return ret;
}
static int mt7921_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 mt792x_dev *dev = mt792x_hw_dev(hw);
if (dev->pm.ds_enable) {
mt792x_mutex_acquire(dev);
mt76_connac_sta_state_dp(&dev->mt76, old_state, new_state);
mt792x_mutex_release(dev);
}
return mt76_sta_state(hw, vif, sta, old_state, new_state);
}
void mt7921_scan_work(struct work_struct *work)
{
struct mt792x_phy *phy;
phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy,
scan_work.work);
while (true) {
struct mt76_connac2_mcu_rxd *rxd;
struct sk_buff *skb;
spin_lock_bh(&phy->dev->mt76.lock);
skb = __skb_dequeue(&phy->scan_event_list);
spin_unlock_bh(&phy->dev->mt76.lock);
if (!skb)
break;
rxd = (struct mt76_connac2_mcu_rxd *)skb->data;
if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) {
ieee80211_sched_scan_results(phy->mt76->hw);
} else if (rxd->eid == MCU_EVENT_SCAN_DONE) {
struct mt76_connac_hw_scan_done *event = NULL;
skb_pull(skb, sizeof(*rxd));
event = (struct mt76_connac_hw_scan_done *)skb->data;
mt7921_regd_change(phy, event->alpha2);
}
if (test_and_clear_bit(MT76_HW_SCANNING,
&phy->mt76->state)) {
struct cfg80211_scan_info info = {
.aborted = false,
};
ieee80211_scan_completed(phy->mt76->hw, &info);
}
dev_kfree_skb(skb);
}
}
static int
mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_scan_request *req)
{
struct mt792x_dev *dev = mt792x_hw_dev(hw);
struct mt76_phy *mphy = hw->priv;
int err;
mt792x_mutex_acquire(dev);
err = mt76_connac_mcu_hw_scan(mphy, vif, req);
mt792x_mutex_release(dev);
return err;
}
static void
mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
{
struct mt792x_dev *dev = mt792x_hw_dev(hw);
struct mt76_phy *mphy = hw->priv;
mt792x_mutex_acquire(dev);
mt76_connac_mcu_cancel_hw_scan(mphy, vif);
mt792x_mutex_release(dev);
}
static int
mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct cfg80211_sched_scan_request *req,
struct ieee80211_scan_ies *ies)
{
struct mt792x_dev *dev = mt792x_hw_dev(hw);
struct mt76_phy *mphy = hw->priv;
int err;
mt792x_mutex_acquire(dev);
err = mt76_connac_mcu_sched_scan_req(mphy, vif, req);
if (err < 0)
goto out;
err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true);
out:
mt792x_mutex_release(dev);
return err;
}
static int
mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
{
struct mt792x_dev *dev = mt792x_hw_dev(hw);
struct mt76_phy *mphy = hw->priv;
int err;
mt792x_mutex_acquire(dev);
err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false);
mt792x_mutex_release(dev);
return err;
}
static int
mt7921_set_antenna(struct ieee80211_hw *hw, int radio_idx,
u32 tx_ant, u32 rx_ant)
{
struct mt792x_dev *dev = mt792x_hw_dev(hw);
struct mt792x_phy *phy = mt792x_hw_phy(hw);
int max_nss = hweight8(hw->wiphy->available_antennas_tx);
if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
return -EINVAL;
if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
return -EINVAL;
mt792x_mutex_acquire(dev);
phy->mt76->antenna_mask = tx_ant;
phy->mt76->chainmask = tx_ant;
mt76_set_stream_caps(phy->mt76, true);
mt7921_set_stream_he_caps(phy);
mt792x_mutex_release(dev);
return 0;
}
#ifdef CONFIG_PM
static int mt7921_suspend(struct ieee80211_hw *hw,
struct cfg80211_wowlan *wowlan)
{
struct mt792x_dev *dev = mt792x_hw_dev(hw);
struct mt792x_phy *phy = mt792x_hw_phy(hw);
cancel_delayed_work_sync(&phy->scan_work);
cancel_delayed_work_sync(&phy->mt76->mac_work);
cancel_delayed_work_sync(&dev->pm.ps_work);
mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
mt792x_mutex_acquire(dev);
clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
ieee80211_iterate_active_interfaces(hw,
IEEE80211_IFACE_ITER_RESUME_ALL,
mt7921_mcu_set_suspend_iter,
&dev->mphy);
mt792x_mutex_release(dev);
return 0;
}
static int mt7921_resume(struct ieee80211_hw *hw)
{
struct mt792x_dev *dev = mt792x_hw_dev(hw);
struct mt792x_phy *phy = mt792x_hw_phy(hw);
mt792x_mutex_acquire(dev);
set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
ieee80211_iterate_active_interfaces(hw,
IEEE80211_IFACE_ITER_RESUME_ALL,
mt76_connac_mcu_set_suspend_iter,
&dev->mphy);
ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,
MT792x_WATCHDOG_TIME);
mt792x_mutex_release(dev);
return 0;
}
static void mt7921_set_rekey_data(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct cfg80211_gtk_rekey_data *data)
{
struct mt792x_dev *dev = mt792x_hw_dev(hw);
mt792x_mutex_acquire(dev);
mt76_connac_mcu_update_gtk_rekey(hw, vif, data);
mt792x_mutex_release(dev);
}
#endif
static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
bool enabled)
{
struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
struct mt792x_dev *dev = mt792x_hw_dev(hw);
if (!msta->deflink.wcid.sta)
return;
mt792x_mutex_acquire(dev);
if (enabled)
set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->deflink.wcid.flags);
else
clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->deflink.wcid.flags);
mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->deflink.wcid,
MCU_UNI_CMD(STA_REC_UPDATE));
mt792x_mutex_release(dev);
}
#if IS_ENABLED(CONFIG_IPV6)
static void mt7921_ipv6_addr_change(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct inet6_dev *idev)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct mt792x_dev *dev = mt792x_hw_dev(hw);
struct inet6_ifaddr *ifa;
struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN];
struct sk_buff *skb;
u8 i, idx = 0;
struct {
struct {
u8 bss_idx;
u8 pad[3];
} __packed hdr;
struct mt76_connac_arpns_tlv arpns;
} req_hdr = {
.hdr = {
.bss_idx = mvif->bss_conf.mt76.idx,
},
.arpns = {
.tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND),
.mode = 2,
.option = 1,
},
};
read_lock_bh(&idev->lock);
list_for_each_entry(ifa, &idev->addr_list, if_list) {
if (ifa->flags & IFA_F_TENTATIVE)
continue;
ns_addrs[idx] = ifa->addr;
if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN)
break;
}
read_unlock_bh(&idev->lock);
if (!idx)
return;
req_hdr.arpns.ips_num = idx;
req_hdr.arpns.len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv)
+ idx * sizeof(struct in6_addr));
skb = __mt76_mcu_msg_alloc(&dev->mt76, &req_hdr,
sizeof(req_hdr) + idx * sizeof(struct in6_addr),
sizeof(req_hdr), GFP_ATOMIC);
if (!skb)
return;
for (i = 0; i < idx; i++)
skb_put_data(skb, &ns_addrs[i].in6_u, sizeof(struct in6_addr));
skb_queue_tail(&dev->ipv6_ns_list, skb);
ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work);
}
#endif
int mt7921_set_tx_sar_pwr(struct ieee80211_hw *hw,
const struct cfg80211_sar_specs *sar)
{
struct mt76_phy *mphy = hw->priv;
if (sar) {
int err = mt76_init_sar_power(hw, sar);
if (err)
return err;
}
mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar);
return mt76_connac_mcu_set_rate_txpower(mphy);
}
static int mt7921_set_sar_specs(struct ieee80211_hw *hw,
const struct cfg80211_sar_specs *sar)
{
struct mt792x_dev *dev = mt792x_hw_dev(hw);
int err;
mt792x_mutex_acquire(dev);
err = mt7921_mcu_set_clc(dev, dev->mt76.alpha2,
dev->country_ie_env);
if (err < 0)
goto out;
err = mt7921_set_tx_sar_pwr(hw, sar);
out:
mt792x_mutex_release(dev);
return err;
}
static void
mt7921_channel_switch_beacon(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct cfg80211_chan_def *chandef)
{
struct mt792x_dev *dev = mt792x_hw_dev(hw);
mt792x_mutex_acquire(dev);
mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, true);
mt792x_mutex_release(dev);
}
static int
mt7921_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_bss_conf *link_conf)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct mt792x_phy *phy = mt792x_hw_phy(hw);
struct mt792x_dev *dev = mt792x_hw_dev(hw);
int err;
mt792x_mutex_acquire(dev);
err = mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.deflink.wcid,
true, mvif->bss_conf.mt76.ctx);
if (err)
goto out;
err = mt7921_mcu_set_bss_pm(dev, vif, true);
if (err)
goto out;
err = mt7921_mcu_sta_update(dev, NULL, vif, true,
MT76_STA_INFO_STATE_NONE);
out:
mt792x_mutex_release(dev);
return err;
}
static void
mt7921_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_bss_conf *link_conf)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct mt792x_phy *phy = mt792x_hw_phy(hw);
struct mt792x_dev *dev = mt792x_hw_dev(hw);
int err;
mt792x_mutex_acquire(dev);
err = mt7921_mcu_set_bss_pm(dev, vif, false);
if (err)
goto out;
mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.deflink.wcid, false,
mvif->bss_conf.mt76.ctx);
out:
mt792x_mutex_release(dev);
}
static int
mt7921_add_chanctx(struct ieee80211_hw *hw,
struct ieee80211_chanctx_conf *ctx)
{
struct mt792x_dev *dev = mt792x_hw_dev(hw);
dev->new_ctx = ctx;
return 0;
}
static void
mt7921_remove_chanctx(struct ieee80211_hw *hw,
struct ieee80211_chanctx_conf *ctx)
{
struct mt792x_dev *dev = mt792x_hw_dev(hw);
if (dev->new_ctx == ctx)
dev->new_ctx = NULL;
}
static void
mt7921_change_chanctx(struct ieee80211_hw *hw,
struct ieee80211_chanctx_conf *ctx,
u32 changed)
{
struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv;
struct mt792x_phy *phy = mt792x_hw_phy(hw);
struct ieee80211_vif *vif;
struct mt792x_vif *mvif;
if (!mctx->bss_conf)
return;
mvif = container_of(mctx->bss_conf, struct mt792x_vif, bss_conf);
vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv);
mt792x_mutex_acquire(phy->dev);
if (vif->type == NL80211_IFTYPE_MONITOR) {
mt7921_mcu_set_sniffer(mvif->phy->dev, vif, true);
mt7921_mcu_config_sniffer(mvif, ctx);
} else {
mt76_connac_mcu_uni_set_chctx(mvif->phy->mt76, &mvif->bss_conf.mt76, ctx);
}
mt792x_mutex_release(phy->dev);
}
static void mt7921_mgd_prepare_tx(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_prep_tx_info *info)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct mt792x_dev *dev = mt792x_hw_dev(hw);
u16 duration = info->duration ? info->duration :
jiffies_to_msecs(HZ);
mt792x_mutex_acquire(dev);
mt7921_set_roc(mvif->phy, mvif, mvif->bss_conf.mt76.ctx->def.chan, duration,
MT7921_ROC_REQ_JOIN);
mt792x_mutex_release(dev);
}
static void mt7921_mgd_complete_tx(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_prep_tx_info *info)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
mt7921_abort_roc(mvif->phy, mvif);
}
static int mt7921_switch_vif_chanctx(struct ieee80211_hw *hw,
struct ieee80211_vif_chanctx_switch *vifs,
int n_vifs,
enum ieee80211_chanctx_switch_mode mode)
{
return mt792x_assign_vif_chanctx(hw, vifs->vif, vifs->link_conf,
vifs->new_ctx);
}
void mt7921_csa_work(struct work_struct *work)
{
struct mt792x_vif *mvif;
struct mt792x_dev *dev;
struct ieee80211_vif *vif;
int ret;
mvif = (struct mt792x_vif *)container_of(work, struct mt792x_vif,
csa_work);
dev = mvif->phy->dev;
vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv);
mt792x_mutex_acquire(dev);
ret = mt76_connac_mcu_uni_set_chctx(mvif->phy->mt76, &mvif->bss_conf.mt76,
dev->new_ctx);
mt792x_mutex_release(dev);
ieee80211_chswitch_done(vif, !ret, 0);
}
static int mt7921_pre_channel_switch(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_channel_switch *chsw)
{
if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc)
return -EOPNOTSUPP;
if (!cfg80211_chandef_usable(hw->wiphy, &chsw->chandef,
IEEE80211_CHAN_DISABLED))
return -EOPNOTSUPP;
return 0;
}
static void mt7921_channel_switch(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_channel_switch *chsw)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
u16 beacon_interval = vif->bss_conf.beacon_int;
mvif->csa_timer.expires = TU_TO_EXP_TIME(beacon_interval * chsw->count);
add_timer(&mvif->csa_timer);
}
static void mt7921_abort_channel_switch(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *link_conf)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
timer_delete_sync(&mvif->csa_timer);
cancel_work_sync(&mvif->csa_work);
}
static void mt7921_channel_switch_rx_beacon(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_channel_switch *chsw)
{
struct mt792x_dev *dev = mt792x_hw_dev(hw);
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
u16 beacon_interval = vif->bss_conf.beacon_int;
if (!dev->new_ctx)
return;
if (cfg80211_chandef_identical(&chsw->chandef,
&dev->new_ctx->def) &&
chsw->count) {
mod_timer(&mvif->csa_timer,
TU_TO_EXP_TIME(beacon_interval * chsw->count));
}
}
static void mt7921_rfkill_poll(struct ieee80211_hw *hw)
{
struct mt792x_phy *phy = mt792x_hw_phy(hw);
int ret = 0;
mt792x_mutex_acquire(phy->dev);
ret = mt7921_mcu_wf_rf_pin_ctrl(phy, WF_RF_PIN_POLL);
mt792x_mutex_release(phy->dev);
wiphy_rfkill_set_hw_state(hw->wiphy, ret ? false : true);
}
const struct ieee80211_ops mt7921_ops = {
.tx = mt792x_tx,
.start = mt7921_start,
.stop = mt7921_stop,
.add_interface = mt7921_add_interface,
.remove_interface = mt792x_remove_interface,
.config = mt7921_config,
.conf_tx = mt792x_conf_tx,
.configure_filter = mt7921_configure_filter,
.bss_info_changed = mt7921_bss_info_changed,
.start_ap = mt7921_start_ap,
.stop_ap = mt7921_stop_ap,
.sta_state = mt7921_sta_state,
.sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
.set_key = mt7921_set_key,
.sta_set_decap_offload = mt7921_sta_set_decap_offload,
#if IS_ENABLED(CONFIG_IPV6)
.ipv6_addr_change = mt7921_ipv6_addr_change,
#endif
.ampdu_action = mt7921_ampdu_action,
.set_rts_threshold = mt7921_set_rts_threshold,
.wake_tx_queue = mt76_wake_tx_queue,
.release_buffered_frames = mt76_release_buffered_frames,
.channel_switch_beacon = mt7921_channel_switch_beacon,
.get_txpower = mt792x_get_txpower,
.get_stats = mt792x_get_stats,
.get_et_sset_count = mt792x_get_et_sset_count,
.get_et_strings = mt792x_get_et_strings,
.get_et_stats = mt792x_get_et_stats,
.get_tsf = mt792x_get_tsf,
.set_tsf = mt792x_set_tsf,
.get_survey = mt76_get_survey,
.get_antenna = mt76_get_antenna,
.set_antenna = mt7921_set_antenna,
.set_coverage_class = mt792x_set_coverage_class,
.hw_scan = mt7921_hw_scan,
.cancel_hw_scan = mt7921_cancel_hw_scan,
.sta_statistics = mt792x_sta_statistics,
.sched_scan_start = mt7921_start_sched_scan,
.sched_scan_stop = mt7921_stop_sched_scan,
CFG80211_TESTMODE_CMD(mt7921_testmode_cmd)
CFG80211_TESTMODE_DUMP(mt7921_testmode_dump)
#ifdef CONFIG_PM
.suspend = mt7921_suspend,
.resume = mt7921_resume,
.set_wakeup = mt792x_set_wakeup,
.set_rekey_data = mt7921_set_rekey_data,
#endif
.flush = mt792x_flush,
.set_sar_specs = mt7921_set_sar_specs,
.rfkill_poll = mt7921_rfkill_poll,
.remain_on_channel = mt7921_remain_on_channel,
.cancel_remain_on_channel = mt7921_cancel_remain_on_channel,
.add_chanctx = mt7921_add_chanctx,
.remove_chanctx = mt7921_remove_chanctx,
.change_chanctx = mt7921_change_chanctx,
.assign_vif_chanctx = mt792x_assign_vif_chanctx,
.unassign_vif_chanctx = mt792x_unassign_vif_chanctx,
.mgd_prepare_tx = mt7921_mgd_prepare_tx,
.mgd_complete_tx = mt7921_mgd_complete_tx,
.switch_vif_chanctx = mt7921_switch_vif_chanctx,
.pre_channel_switch = mt7921_pre_channel_switch,
.channel_switch = mt7921_channel_switch,
.abort_channel_switch = mt7921_abort_channel_switch,
.channel_switch_rx_beacon = mt7921_channel_switch_rx_beacon,
};
EXPORT_SYMBOL_GPL(mt7921_ops);
MODULE_DESCRIPTION("MediaTek MT7921 core driver");
MODULE_LICENSE("Dual BSD/GPL");
MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>");
