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JustOS/linux-6.13/drivers/net/wireless/mediatek/mt76/mt7925/main.c
justuser 02e73b8cd9 up
2025-01-24 17:00:19 +03:00

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// SPDX-License-Identifier: ISC
/* Copyright (C) 2023 MediaTek Inc. */
#include <linux/etherdevice.h>
#include <linux/platform_device.h>
#include <linux/pci.h>
#include <linux/module.h>
#include <linux/ctype.h>
#include <net/ipv6.h>
#include "mt7925.h"
#include "mcu.h"
#include "mac.h"
static void
mt7925_init_he_caps(struct mt792x_phy *phy, enum nl80211_band band,
struct ieee80211_sband_iftype_data *data,
enum nl80211_iftype iftype)
{
struct ieee80211_sta_he_cap *he_cap = &data->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;
int i, nss = hweight8(phy->mt76->antenna_mask);
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));
}
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 |
IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_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 (iftype) {
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;
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 |
IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_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_20MHZ_IN_160MHZ_HE_PPDU |
IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU |
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;
break;
default:
break;
}
he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map);
he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map);
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);
} 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) {
u16 cap = IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS |
IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS;
cap |= u16_encode_bits(IEEE80211_HT_MPDU_DENSITY_0_5,
IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START) |
u16_encode_bits(IEEE80211_VHT_MAX_AMPDU_1024K,
IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP) |
u16_encode_bits(IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454,
IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN);
data->he_6ghz_capa.capa = cpu_to_le16(cap);
}
}
static void
mt7925_init_eht_caps(struct mt792x_phy *phy, enum nl80211_band band,
struct ieee80211_sband_iftype_data *data)
{
struct ieee80211_sta_eht_cap *eht_cap = &data->eht_cap;
struct ieee80211_eht_cap_elem_fixed *eht_cap_elem = &eht_cap->eht_cap_elem;
struct ieee80211_eht_mcs_nss_supp *eht_nss = &eht_cap->eht_mcs_nss_supp;
enum nl80211_chan_width width = phy->mt76->chandef.width;
int nss = hweight8(phy->mt76->antenna_mask);
int sts = hweight16(phy->mt76->chainmask);
u8 val;
if (!phy->dev->has_eht)
return;
eht_cap->has_eht = true;
eht_cap_elem->mac_cap_info[0] =
IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS |
IEEE80211_EHT_MAC_CAP0_OM_CONTROL;
eht_cap_elem->phy_cap_info[0] =
IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI |
IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER |
IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE;
eht_cap_elem->phy_cap_info[0] |=
u8_encode_bits(u8_get_bits(sts - 1, BIT(0)),
IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK);
eht_cap_elem->phy_cap_info[1] =
u8_encode_bits(u8_get_bits(sts - 1, GENMASK(2, 1)),
IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK) |
u8_encode_bits(sts - 1,
IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK);
eht_cap_elem->phy_cap_info[2] =
u8_encode_bits(sts - 1, IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK) |
u8_encode_bits(sts - 1, IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK);
eht_cap_elem->phy_cap_info[3] =
IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK |
IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK |
IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK |
IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK |
IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK |
IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK |
IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK;
eht_cap_elem->phy_cap_info[4] =
u8_encode_bits(min_t(int, sts - 1, 2),
IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK);
eht_cap_elem->phy_cap_info[5] =
IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK |
u8_encode_bits(IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US,
IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK) |
u8_encode_bits(u8_get_bits(0x11, GENMASK(1, 0)),
IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK);
val = width == NL80211_CHAN_WIDTH_160 ? 0x7 :
width == NL80211_CHAN_WIDTH_80 ? 0x3 : 0x1;
eht_cap_elem->phy_cap_info[6] =
u8_encode_bits(u8_get_bits(0x11, GENMASK(4, 2)),
IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK) |
u8_encode_bits(val, IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK);
eht_cap_elem->phy_cap_info[7] =
IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ |
IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ |
IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ |
IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ;
val = u8_encode_bits(nss, IEEE80211_EHT_MCS_NSS_RX) |
u8_encode_bits(nss, IEEE80211_EHT_MCS_NSS_TX);
eht_nss->bw._80.rx_tx_mcs9_max_nss = val;
eht_nss->bw._80.rx_tx_mcs11_max_nss = val;
eht_nss->bw._80.rx_tx_mcs13_max_nss = val;
eht_nss->bw._160.rx_tx_mcs9_max_nss = val;
eht_nss->bw._160.rx_tx_mcs11_max_nss = val;
eht_nss->bw._160.rx_tx_mcs13_max_nss = val;
}
int mt7925_init_mlo_caps(struct mt792x_phy *phy)
{
struct wiphy *wiphy = phy->mt76->hw->wiphy;
static const u8 ext_capa_sta[] = {
[7] = WLAN_EXT_CAPA8_OPMODE_NOTIF,
};
static struct wiphy_iftype_ext_capab ext_capab[] = {
{
.iftype = NL80211_IFTYPE_STATION,
.extended_capabilities = ext_capa_sta,
.extended_capabilities_mask = ext_capa_sta,
.extended_capabilities_len = sizeof(ext_capa_sta),
},
};
if (!(phy->chip_cap & MT792x_CHIP_CAP_MLO_EVT_EN))
return 0;
ext_capab[0].eml_capabilities = phy->eml_cap;
ext_capab[0].mld_capa_and_ops =
u16_encode_bits(1, IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS);
wiphy->flags |= WIPHY_FLAG_SUPPORTS_MLO;
wiphy->iftype_ext_capab = ext_capab;
wiphy->num_iftype_ext_capab = ARRAY_SIZE(ext_capab);
return 0;
}
static void
__mt7925_set_stream_he_eht_caps(struct mt792x_phy *phy,
struct ieee80211_supported_band *sband,
enum nl80211_band band)
{
struct ieee80211_sband_iftype_data *data = phy->iftype[band];
int i, n = 0;
for (i = 0; i < NUM_NL80211_IFTYPES; i++) {
switch (i) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_AP:
break;
default:
continue;
}
data[n].types_mask = BIT(i);
mt7925_init_he_caps(phy, band, &data[n], i);
mt7925_init_eht_caps(phy, band, &data[n]);
n++;
}
_ieee80211_set_sband_iftype_data(sband, data, n);
}
void mt7925_set_stream_he_eht_caps(struct mt792x_phy *phy)
{
if (phy->mt76->cap.has_2ghz)
__mt7925_set_stream_he_eht_caps(phy, &phy->mt76->sband_2g.sband,
NL80211_BAND_2GHZ);
if (phy->mt76->cap.has_5ghz)
__mt7925_set_stream_he_eht_caps(phy, &phy->mt76->sband_5g.sband,
NL80211_BAND_5GHZ);
if (phy->mt76->cap.has_6ghz)
__mt7925_set_stream_he_eht_caps(phy, &phy->mt76->sband_6g.sband,
NL80211_BAND_6GHZ);
}
int __mt7925_start(struct mt792x_phy *phy)
{
struct mt76_phy *mphy = phy->mt76;
int err;
err = mt7925_mcu_set_channel_domain(mphy);
if (err)
return err;
err = mt7925_mcu_set_rts_thresh(phy, 0x92b);
if (err)
return err;
err = mt7925_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);
return 0;
}
EXPORT_SYMBOL_GPL(__mt7925_start);
static int mt7925_start(struct ieee80211_hw *hw)
{
struct mt792x_phy *phy = mt792x_hw_phy(hw);
int err;
mt792x_mutex_acquire(phy->dev);
err = __mt7925_start(phy);
mt792x_mutex_release(phy->dev);
return err;
}
static int mt7925_mac_link_bss_add(struct mt792x_dev *dev,
struct ieee80211_bss_conf *link_conf,
struct mt792x_link_sta *mlink)
{
struct mt792x_bss_conf *mconf = mt792x_link_conf_to_mconf(link_conf);
struct ieee80211_vif *vif = link_conf->vif;
struct mt792x_vif *mvif = mconf->vif;
struct mt76_txq *mtxq;
int idx, ret = 0;
mconf->mt76.idx = __ffs64(~dev->mt76.vif_mask);
if (mconf->mt76.idx >= MT792x_MAX_INTERFACES) {
ret = -ENOSPC;
goto out;
}
mconf->mt76.omac_idx = ieee80211_vif_is_mld(vif) ?
0 : mconf->mt76.idx;
mconf->mt76.band_idx = 0xff;
mconf->mt76.wmm_idx = mconf->mt76.idx % MT76_CONNAC_MAX_WMM_SETS;
if (mvif->phy->mt76->chandef.chan->band != NL80211_BAND_2GHZ)
mconf->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL + 4;
else
mconf->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL;
ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, link_conf,
&mlink->wcid, true);
if (ret)
goto out;
dev->mt76.vif_mask |= BIT_ULL(mconf->mt76.idx);
mvif->phy->omac_mask |= BIT_ULL(mconf->mt76.omac_idx);
idx = MT792x_WTBL_RESERVED - mconf->mt76.idx;
INIT_LIST_HEAD(&mlink->wcid.poll_list);
mlink->wcid.idx = idx;
mlink->wcid.phy_idx = mconf->mt76.band_idx;
mlink->wcid.hw_key_idx = -1;
mlink->wcid.tx_info |= MT_WCID_TX_INFO_SET;
mt76_wcid_init(&mlink->wcid);
mt7925_mac_wtbl_update(dev, idx,
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
ewma_rssi_init(&mconf->rssi);
rcu_assign_pointer(dev->mt76.wcid[idx], &mlink->wcid);
if (vif->txq) {
mtxq = (struct mt76_txq *)vif->txq->drv_priv;
mtxq->wcid = idx;
}
out:
return ret;
}
static int
mt7925_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);
int ret = 0;
mt792x_mutex_acquire(dev);
mvif->phy = phy;
mvif->bss_conf.vif = mvif;
mvif->sta.vif = mvif;
mvif->deflink_id = IEEE80211_LINK_UNSPECIFIED;
ret = mt7925_mac_link_bss_add(dev, &vif->bss_conf, &mvif->sta.deflink);
if (ret < 0)
goto out;
vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
out:
mt792x_mutex_release(dev);
return ret;
}
static void mt7925_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;
mt7925_mcu_abort_roc(phy, &mvif->bss_conf, phy->roc_token_id);
}
void mt7925_roc_abort_sync(struct mt792x_dev *dev)
{
struct mt792x_phy *phy = &dev->phy;
del_timer_sync(&phy->roc_timer);
cancel_work_sync(&phy->roc_work);
if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
ieee80211_iterate_interfaces(mt76_hw(dev),
IEEE80211_IFACE_ITER_RESUME_ALL,
mt7925_roc_iter, (void *)phy);
}
EXPORT_SYMBOL_GPL(mt7925_roc_abort_sync);
void mt7925_roc_work(struct work_struct *work)
{
struct mt792x_phy *phy;
phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy,
roc_work);
if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
return;
mt792x_mutex_acquire(phy->dev);
ieee80211_iterate_active_interfaces(phy->mt76->hw,
IEEE80211_IFACE_ITER_RESUME_ALL,
mt7925_roc_iter, phy);
mt792x_mutex_release(phy->dev);
ieee80211_remain_on_channel_expired(phy->mt76->hw);
}
static int mt7925_abort_roc(struct mt792x_phy *phy,
struct mt792x_bss_conf *mconf)
{
int err = 0;
del_timer_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 = mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id);
mt792x_mutex_release(phy->dev);
return err;
}
static int mt7925_set_roc(struct mt792x_phy *phy,
struct mt792x_bss_conf *mconf,
struct ieee80211_channel *chan,
int duration,
enum mt7925_roc_req type)
{
int err;
if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state))
return -EBUSY;
phy->roc_grant = false;
err = mt7925_mcu_set_roc(phy, mconf, 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, 4 * HZ)) {
mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id);
clear_bit(MT76_STATE_ROC, &phy->mt76->state);
err = -ETIMEDOUT;
}
out:
return err;
}
static int mt7925_set_mlo_roc(struct mt792x_phy *phy,
struct mt792x_bss_conf *mconf,
u16 sel_links)
{
int err;
if (WARN_ON_ONCE(test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)))
return -EBUSY;
phy->roc_grant = false;
err = mt7925_mcu_set_mlo_roc(mconf, sel_links, 5, ++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, 4 * HZ)) {
mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id);
clear_bit(MT76_STATE_ROC, &phy->mt76->state);
err = -ETIMEDOUT;
}
out:
return err;
}
static int mt7925_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 = mt7925_set_roc(phy, &mvif->bss_conf,
chan, duration, MT7925_ROC_REQ_ROC);
mt792x_mutex_release(phy->dev);
return err;
}
static int mt7925_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 mt7925_abort_roc(phy, &mvif->bss_conf);
}
static int mt7925_set_link_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
struct ieee80211_vif *vif, struct ieee80211_sta *sta,
struct ieee80211_key_conf *key, int link_id)
{
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 ieee80211_bss_conf *link_conf;
struct ieee80211_link_sta *link_sta;
int idx = key->keyidx, err = 0;
struct mt792x_link_sta *mlink;
struct mt792x_bss_conf *mconf;
struct mt76_wcid *wcid;
u8 *wcid_keyidx;
link_conf = mt792x_vif_to_bss_conf(vif, link_id);
link_sta = sta ? mt792x_sta_to_link_sta(vif, sta, link_id) : NULL;
mconf = mt792x_vif_to_link(mvif, link_id);
mlink = mt792x_sta_to_link(msta, link_id);
wcid = &mlink->wcid;
wcid_keyidx = &wcid->hw_key_idx;
/* fall back to sw encryption for unsupported ciphers */
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;
}
if (cmd == SET_KEY && !mconf->mt76.cipher) {
struct mt792x_phy *phy = mt792x_hw_phy(hw);
mconf->mt76.cipher = mt7925_mcu_get_cipher(key->cipher);
mt7925_mcu_add_bss_info(phy, mconf->mt76.ctx, link_conf,
link_sta, true);
}
if (cmd == SET_KEY)
*wcid_keyidx = idx;
else if (idx == *wcid_keyidx)
*wcid_keyidx = -1;
else
goto out;
mt76_wcid_key_setup(&dev->mt76, wcid,
cmd == SET_KEY ? key : NULL);
err = mt7925_mcu_add_key(&dev->mt76, vif, &mlink->bip,
key, MCU_UNI_CMD(STA_REC_UPDATE),
&mlink->wcid, cmd, msta);
if (err)
goto out;
if (key->cipher == WLAN_CIPHER_SUITE_WEP104 ||
key->cipher == WLAN_CIPHER_SUITE_WEP40)
err = mt7925_mcu_add_key(&dev->mt76, vif, &mvif->wep_sta->deflink.bip,
key, MCU_WMWA_UNI_CMD(STA_REC_UPDATE),
&mvif->wep_sta->deflink.wcid, cmd, msta);
out:
return err;
}
static int mt7925_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;
int err;
/* The hardware does not support per-STA RX GTK, fallback
* to software mode for these.
*/
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;
mt792x_mutex_acquire(dev);
if (ieee80211_vif_is_mld(vif)) {
unsigned int link_id;
unsigned long add;
add = key->link_id != -1 ? BIT(key->link_id) : msta->valid_links;
for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) {
err = mt7925_set_link_key(hw, cmd, vif, sta, key, link_id);
if (err < 0)
break;
}
} else {
err = mt7925_set_link_key(hw, cmd, vif, sta, key, vif->bss_conf.link_id);
}
mt792x_mutex_release(dev);
return err;
}
static void
mt7925_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 = mt7925_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
mt7925_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);
mt7925_mcu_set_sniffer(dev, vif, monitor);
pm->enable = pm->enable_user && !monitor;
pm->ds_enable = pm->ds_enable_user && !monitor;
mt7925_mcu_set_deep_sleep(dev, pm->ds_enable);
if (monitor)
mt7925_mcu_set_beacon_filter(dev, vif, false);
}
void mt7925_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,
mt7925_pm_interface_iter, dev);
pm->ds_enable = pm->ds_enable_user && !monitor;
mt7925_mcu_set_deep_sleep(dev, pm->ds_enable);
}
static int mt7925_config(struct ieee80211_hw *hw, u32 changed)
{
struct mt792x_dev *dev = mt792x_hw_dev(hw);
int ret = 0;
mt792x_mutex_acquire(dev);
if (changed & IEEE80211_CONF_CHANGE_POWER) {
ret = mt7925_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,
mt7925_sniffer_interface_iter, dev);
}
out:
mt792x_mutex_release(dev);
return ret;
}
static void mt7925_configure_filter(struct ieee80211_hw *hw,
unsigned int changed_flags,
unsigned int *total_flags,
u64 multicast)
{
#define MT7925_FILTER_FCSFAIL BIT(2)
#define MT7925_FILTER_CONTROL BIT(5)
#define MT7925_FILTER_OTHER_BSS BIT(6)
#define MT7925_FILTER_ENABLE BIT(31)
struct mt792x_dev *dev = mt792x_hw_dev(hw);
u32 flags = MT7925_FILTER_ENABLE;
#define MT7925_FILTER(_fif, _type) do { \
if (*total_flags & (_fif)) \
flags |= MT7925_FILTER_##_type; \
} while (0)
MT7925_FILTER(FIF_FCSFAIL, FCSFAIL);
MT7925_FILTER(FIF_CONTROL, CONTROL);
MT7925_FILTER(FIF_OTHER_BSS, OTHER_BSS);
mt792x_mutex_acquire(dev);
mt7925_mcu_set_rxfilter(dev, flags, 0, 0);
mt792x_mutex_release(dev);
*total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL);
}
static u8
mt7925_get_rates_table(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
bool beacon, bool mcast)
{
struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
struct mt76_phy *mphy = hw->priv;
u16 rate;
u8 i, idx, ht;
rate = mt76_connac2_mac_tx_rate_val(mphy, vif, beacon, mcast);
ht = FIELD_GET(MT_TX_RATE_MODE, rate) > MT_PHY_TYPE_OFDM;
if (beacon && ht) {
struct mt792x_dev *dev = mt792x_hw_dev(hw);
/* must odd index */
idx = MT7925_BEACON_RATES_TBL + 2 * (mvif->idx % 20);
mt7925_mac_set_fixed_rate_table(dev, idx, rate);
return idx;
}
idx = FIELD_GET(MT_TX_RATE_IDX, rate);
for (i = 0; i < ARRAY_SIZE(mt76_rates); i++)
if ((mt76_rates[i].hw_value & GENMASK(7, 0)) == idx)
return MT792x_BASIC_RATES_TBL + i;
return mvif->basic_rates_idx;
}
static int mt7925_mac_link_sta_add(struct mt76_dev *mdev,
struct ieee80211_vif *vif,
struct ieee80211_link_sta *link_sta)
{
struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct ieee80211_bss_conf *link_conf;
struct mt792x_bss_conf *mconf;
u8 link_id = link_sta->link_id;
struct mt792x_link_sta *mlink;
struct mt792x_sta *msta;
int ret, idx;
msta = (struct mt792x_sta *)link_sta->sta->drv_priv;
mlink = mt792x_sta_to_link(msta, link_id);
idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1);
if (idx < 0)
return -ENOSPC;
mconf = mt792x_vif_to_link(mvif, link_id);
INIT_LIST_HEAD(&mlink->wcid.poll_list);
mlink->wcid.sta = 1;
mlink->wcid.idx = idx;
mlink->wcid.phy_idx = mconf->mt76.band_idx;
mlink->wcid.tx_info |= MT_WCID_TX_INFO_SET;
mlink->last_txs = jiffies;
mlink->wcid.link_id = link_sta->link_id;
mlink->wcid.link_valid = !!link_sta->sta->valid_links;
ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm);
if (ret)
return ret;
mt7925_mac_wtbl_update(dev, idx,
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
link_conf = mt792x_vif_to_bss_conf(vif, link_id);
/* should update bss info before STA add */
if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls)
mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx,
link_conf, link_sta, false);
if (ieee80211_vif_is_mld(vif) &&
link_sta == mlink->pri_link) {
ret = mt7925_mcu_sta_update(dev, link_sta, vif, true,
MT76_STA_INFO_STATE_NONE);
if (ret)
return ret;
} else if (ieee80211_vif_is_mld(vif) &&
link_sta != mlink->pri_link) {
ret = mt7925_mcu_sta_update(dev, mlink->pri_link, vif,
true, MT76_STA_INFO_STATE_ASSOC);
if (ret)
return ret;
ret = mt7925_mcu_sta_update(dev, link_sta, vif, true,
MT76_STA_INFO_STATE_ASSOC);
if (ret)
return ret;
} else {
ret = mt7925_mcu_sta_update(dev, link_sta, vif, true,
MT76_STA_INFO_STATE_NONE);
if (ret)
return ret;
}
mt76_connac_power_save_sched(&dev->mphy, &dev->pm);
return 0;
}
static int
mt7925_mac_sta_add_links(struct mt792x_dev *dev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, unsigned long new_links)
{
struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
struct mt76_wcid *wcid;
unsigned int link_id;
int err = 0;
for_each_set_bit(link_id, &new_links, IEEE80211_MLD_MAX_NUM_LINKS) {
struct ieee80211_link_sta *link_sta;
struct mt792x_link_sta *mlink;
if (msta->deflink_id == IEEE80211_LINK_UNSPECIFIED) {
mlink = &msta->deflink;
msta->deflink_id = link_id;
} else {
mlink = devm_kzalloc(dev->mt76.dev, sizeof(*mlink), GFP_KERNEL);
if (!mlink) {
err = -ENOMEM;
break;
}
wcid = &mlink->wcid;
ewma_signal_init(&wcid->rssi);
rcu_assign_pointer(dev->mt76.wcid[wcid->idx], wcid);
mt76_wcid_init(wcid);
ewma_avg_signal_init(&mlink->avg_ack_signal);
memset(mlink->airtime_ac, 0,
sizeof(msta->deflink.airtime_ac));
}
msta->valid_links |= BIT(link_id);
rcu_assign_pointer(msta->link[link_id], mlink);
mlink->sta = msta;
mlink->pri_link = &sta->deflink;
mlink->wcid.def_wcid = &msta->deflink.wcid;
link_sta = mt792x_sta_to_link_sta(vif, sta, link_id);
mt7925_mac_link_sta_add(&dev->mt76, vif, link_sta);
}
return err;
}
int mt7925_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_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
int err;
msta->vif = mvif;
if (vif->type == NL80211_IFTYPE_STATION)
mvif->wep_sta = msta;
if (ieee80211_vif_is_mld(vif)) {
msta->deflink_id = IEEE80211_LINK_UNSPECIFIED;
err = mt7925_mac_sta_add_links(dev, vif, sta, sta->valid_links);
} else {
err = mt7925_mac_link_sta_add(mdev, vif, &sta->deflink);
}
return err;
}
EXPORT_SYMBOL_GPL(mt7925_mac_sta_add);
static u16
mt7925_mac_select_links(struct mt76_dev *mdev, struct ieee80211_vif *vif)
{
unsigned long usable_links = ieee80211_vif_usable_links(vif);
struct {
u8 link_id;
enum nl80211_band band;
} data[IEEE80211_MLD_MAX_NUM_LINKS];
u8 link_id, i, j, n_data = 0;
u16 sel_links = 0;
if (!ieee80211_vif_is_mld(vif))
return 0;
if (vif->active_links == usable_links)
return vif->active_links;
rcu_read_lock();
for_each_set_bit(link_id, &usable_links, IEEE80211_MLD_MAX_NUM_LINKS) {
struct ieee80211_bss_conf *link_conf =
rcu_dereference(vif->link_conf[link_id]);
if (WARN_ON_ONCE(!link_conf))
continue;
data[n_data].link_id = link_id;
data[n_data].band = link_conf->chanreq.oper.chan->band;
n_data++;
}
rcu_read_unlock();
for (i = 0; i < n_data; i++) {
if (!(BIT(data[i].link_id) & vif->active_links))
continue;
sel_links = BIT(data[i].link_id);
for (j = 0; j < n_data; j++) {
if (data[i].band != data[j].band) {
sel_links |= BIT(data[j].link_id);
break;
}
}
break;
}
return sel_links;
}
static void
mt7925_mac_set_links(struct mt76_dev *mdev, struct ieee80211_vif *vif)
{
struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct ieee80211_bss_conf *link_conf =
mt792x_vif_to_bss_conf(vif, mvif->deflink_id);
struct cfg80211_chan_def *chandef = &link_conf->chanreq.oper;
enum nl80211_band band = chandef->chan->band, secondary_band;
u16 sel_links = mt7925_mac_select_links(mdev, vif);
u8 secondary_link_id = __ffs(~BIT(mvif->deflink_id) & sel_links);
if (!ieee80211_vif_is_mld(vif) || hweight16(sel_links) < 2)
return;
link_conf = mt792x_vif_to_bss_conf(vif, secondary_link_id);
secondary_band = link_conf->chanreq.oper.chan->band;
if (band == NL80211_BAND_2GHZ ||
(band == NL80211_BAND_5GHZ && secondary_band == NL80211_BAND_6GHZ)) {
mt7925_abort_roc(mvif->phy, &mvif->bss_conf);
mt792x_mutex_acquire(dev);
mt7925_set_mlo_roc(mvif->phy, &mvif->bss_conf, sel_links);
mt792x_mutex_release(dev);
}
ieee80211_set_active_links_async(vif, sel_links);
}
static void mt7925_mac_link_sta_assoc(struct mt76_dev *mdev,
struct ieee80211_vif *vif,
struct ieee80211_link_sta *link_sta)
{
struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
struct ieee80211_bss_conf *link_conf;
struct mt792x_link_sta *mlink;
struct mt792x_sta *msta;
msta = (struct mt792x_sta *)link_sta->sta->drv_priv;
mlink = mt792x_sta_to_link(msta, link_sta->link_id);
mt792x_mutex_acquire(dev);
if (ieee80211_vif_is_mld(vif)) {
link_conf = mt792x_vif_to_bss_conf(vif, msta->deflink_id);
} else {
link_conf = mt792x_vif_to_bss_conf(vif, vif->bss_conf.link_id);
}
if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) {
struct mt792x_bss_conf *mconf;
mconf = mt792x_link_conf_to_mconf(link_conf);
mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx,
link_conf, link_sta, true);
}
ewma_avg_signal_init(&mlink->avg_ack_signal);
mt7925_mac_wtbl_update(dev, mlink->wcid.idx,
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
memset(mlink->airtime_ac, 0, sizeof(mlink->airtime_ac));
mt7925_mcu_sta_update(dev, link_sta, vif, true, MT76_STA_INFO_STATE_ASSOC);
mt792x_mutex_release(dev);
}
int mt7925_mac_sta_event(struct mt76_dev *mdev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, enum mt76_sta_event ev)
{
struct ieee80211_link_sta *link_sta = &sta->deflink;
if (ev != MT76_STA_EVENT_ASSOC)
return 0;
if (ieee80211_vif_is_mld(vif)) {
struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
link_sta = mt792x_sta_to_link_sta(vif, sta, msta->deflink_id);
mt7925_mac_set_links(mdev, vif);
}
mt7925_mac_link_sta_assoc(mdev, vif, link_sta);
return 0;
}
EXPORT_SYMBOL_GPL(mt7925_mac_sta_event);
static void mt7925_mac_link_sta_remove(struct mt76_dev *mdev,
struct ieee80211_vif *vif,
struct ieee80211_link_sta *link_sta)
{
struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
struct ieee80211_bss_conf *link_conf;
u8 link_id = link_sta->link_id;
struct mt792x_link_sta *mlink;
struct mt792x_sta *msta;
msta = (struct mt792x_sta *)link_sta->sta->drv_priv;
mlink = mt792x_sta_to_link(msta, link_id);
mt7925_roc_abort_sync(dev);
mt76_connac_free_pending_tx_skbs(&dev->pm, &mlink->wcid);
mt76_connac_pm_wake(&dev->mphy, &dev->pm);
mt7925_mcu_sta_update(dev, link_sta, vif, false,
MT76_STA_INFO_STATE_NONE);
mt7925_mac_wtbl_update(dev, mlink->wcid.idx,
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
link_conf = mt792x_vif_to_bss_conf(vif, link_id);
if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) {
struct mt792x_bss_conf *mconf;
mconf = mt792x_link_conf_to_mconf(link_conf);
mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, link_conf,
link_sta, false);
}
spin_lock_bh(&mdev->sta_poll_lock);
if (!list_empty(&mlink->wcid.poll_list))
list_del_init(&mlink->wcid.poll_list);
spin_unlock_bh(&mdev->sta_poll_lock);
mt76_connac_power_save_sched(&dev->mphy, &dev->pm);
}
static int
mt7925_mac_sta_remove_links(struct mt792x_dev *dev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, unsigned long old_links)
{
struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
struct mt76_dev *mdev = &dev->mt76;
struct mt76_wcid *wcid;
unsigned int link_id;
for_each_set_bit(link_id, &old_links, IEEE80211_MLD_MAX_NUM_LINKS) {
struct ieee80211_link_sta *link_sta;
struct mt792x_link_sta *mlink;
link_sta = mt792x_sta_to_link_sta(vif, sta, link_id);
if (!link_sta)
continue;
mlink = mt792x_sta_to_link(msta, link_id);
if (!mlink)
continue;
mt7925_mac_link_sta_remove(&dev->mt76, vif, link_sta);
wcid = &mlink->wcid;
rcu_assign_pointer(msta->link[link_id], NULL);
msta->valid_links &= ~BIT(link_id);
mlink->sta = NULL;
mlink->pri_link = NULL;
if (link_sta != mlink->pri_link) {
mt76_wcid_cleanup(mdev, wcid);
mt76_wcid_mask_clear(mdev->wcid_mask, wcid->idx);
mt76_wcid_mask_clear(mdev->wcid_phy_mask, wcid->idx);
}
if (msta->deflink_id == link_id)
msta->deflink_id = IEEE80211_LINK_UNSPECIFIED;
}
return 0;
}
void mt7925_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;
unsigned long rem;
rem = ieee80211_vif_is_mld(vif) ? msta->valid_links : BIT(0);
mt7925_mac_sta_remove_links(dev, vif, sta, rem);
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);
}
}
EXPORT_SYMBOL_GPL(mt7925_mac_sta_remove);
static int mt7925_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
{
struct mt792x_dev *dev = mt792x_hw_dev(hw);
mt792x_mutex_acquire(dev);
mt7925_mcu_set_rts_thresh(&dev->phy, val);
mt792x_mutex_release(dev);
return 0;
}
static int
mt7925_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);
mt7925_mcu_uni_rx_ba(dev, params, true);
break;
case IEEE80211_AMPDU_RX_STOP:
mt76_rx_aggr_stop(&dev->mt76, &msta->deflink.wcid, tid);
mt7925_mcu_uni_rx_ba(dev, params, false);
break;
case IEEE80211_AMPDU_TX_OPERATIONAL:
mtxq->aggr = true;
mtxq->send_bar = false;
mt7925_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);
mt7925_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);
mt7925_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 bool is_valid_alpha2(const char *alpha2)
{
if (!alpha2)
return false;
if (alpha2[0] == '0' && alpha2[1] == '0')
return true;
if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
return true;
return false;
}
void mt7925_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_dev *mdev = &phy->dev->mt76;
struct sk_buff *skb;
struct tlv *tlv;
int tlv_len;
spin_lock_bh(&phy->dev->mt76.lock);
skb = __skb_dequeue(&phy->scan_event_list);
spin_unlock_bh(&phy->dev->mt76.lock);
if (!skb)
break;
skb_pull(skb, sizeof(struct mt7925_mcu_rxd) + 4);
tlv = (struct tlv *)skb->data;
tlv_len = skb->len;
while (tlv_len > 0 && le16_to_cpu(tlv->len) <= tlv_len) {
struct mt7925_mcu_scan_chinfo_event *evt;
switch (le16_to_cpu(tlv->tag)) {
case UNI_EVENT_SCAN_DONE_BASIC:
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);
}
break;
case UNI_EVENT_SCAN_DONE_CHNLINFO:
evt = (struct mt7925_mcu_scan_chinfo_event *)tlv->data;
if (!is_valid_alpha2(evt->alpha2))
break;
if (mdev->alpha2[0] != '0' && mdev->alpha2[1] != '0')
break;
mt7925_mcu_set_clc(phy->dev, evt->alpha2, ENVIRON_INDOOR);
break;
case UNI_EVENT_SCAN_DONE_NLO:
ieee80211_sched_scan_results(phy->mt76->hw);
break;
default:
break;
}
tlv_len -= le16_to_cpu(tlv->len);
tlv = (struct tlv *)((char *)(tlv) + le16_to_cpu(tlv->len));
}
dev_kfree_skb(skb);
}
}
static int
mt7925_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 = mt7925_mcu_hw_scan(mphy, vif, req);
mt792x_mutex_release(dev);
return err;
}
static void
mt7925_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);
mt7925_mcu_cancel_hw_scan(mphy, vif);
mt792x_mutex_release(dev);
}
static int
mt7925_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 = mt7925_mcu_sched_scan_req(mphy, vif, req);
if (err < 0)
goto out;
err = mt7925_mcu_sched_scan_enable(mphy, vif, true);
out:
mt792x_mutex_release(dev);
return err;
}
static int
mt7925_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 = mt7925_mcu_sched_scan_enable(mphy, vif, false);
mt792x_mutex_release(dev);
return err;
}
static int
mt7925_set_antenna(struct ieee80211_hw *hw, 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)
tx_ant = BIT(ffs(tx_ant) - 1) - 1;
mt792x_mutex_acquire(dev);
phy->mt76->antenna_mask = tx_ant;
phy->mt76->chainmask = tx_ant;
mt76_set_stream_caps(phy->mt76, true);
mt7925_set_stream_he_eht_caps(phy);
/* TODO: update bmc_wtbl spe_idx when antenna changes */
mt792x_mutex_release(dev);
return 0;
}
#ifdef CONFIG_PM
static int mt7925_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,
mt7925_mcu_set_suspend_iter,
&dev->mphy);
mt792x_mutex_release(dev);
return 0;
}
static int mt7925_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,
mt7925_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 mt7925_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 /* CONFIG_PM */
static void mt7925_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_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct mt792x_dev *dev = mt792x_hw_dev(hw);
unsigned long valid = mvif->valid_links;
u8 i;
mt792x_mutex_acquire(dev);
valid = ieee80211_vif_is_mld(vif) ? mvif->valid_links : BIT(0);
for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
struct mt792x_link_sta *mlink;
mlink = mt792x_sta_to_link(msta, i);
if (enabled)
set_bit(MT_WCID_FLAG_HDR_TRANS, &mlink->wcid.flags);
else
clear_bit(MT_WCID_FLAG_HDR_TRANS, &mlink->wcid.flags);
mt7925_mcu_wtbl_update_hdr_trans(dev, vif, sta, i);
}
mt792x_mutex_release(dev);
}
#if IS_ENABLED(CONFIG_IPV6)
static void __mt7925_ipv6_addr_change(struct ieee80211_hw *hw,
struct ieee80211_bss_conf *link_conf,
struct inet6_dev *idev)
{
struct mt792x_bss_conf *mconf = mt792x_link_conf_to_mconf(link_conf);
struct mt792x_dev *dev = mt792x_hw_dev(hw);
struct inet6_ifaddr *ifa;
struct sk_buff *skb;
u8 idx = 0;
struct {
struct {
u8 bss_idx;
u8 pad[3];
} __packed hdr;
struct mt7925_arpns_tlv arpns;
struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN];
} req_hdr = {
.hdr = {
.bss_idx = mconf->mt76.idx,
},
.arpns = {
.tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND),
.len = cpu_to_le16(sizeof(req_hdr) - 4),
.enable = true,
},
};
read_lock_bh(&idev->lock);
list_for_each_entry(ifa, &idev->addr_list, if_list) {
if (ifa->flags & IFA_F_TENTATIVE)
continue;
req_hdr.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;
skb = __mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(req_hdr),
0, GFP_ATOMIC);
if (!skb)
return;
skb_put_data(skb, &req_hdr, sizeof(req_hdr));
skb_queue_tail(&dev->ipv6_ns_list, skb);
ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work);
}
static void mt7925_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;
unsigned long valid = ieee80211_vif_is_mld(vif) ?
mvif->valid_links : BIT(0);
struct ieee80211_bss_conf *bss_conf;
int i;
for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
bss_conf = mt792x_vif_to_bss_conf(vif, i);
__mt7925_ipv6_addr_change(hw, bss_conf, idev);
}
}
#endif
int mt7925_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 mt7925_mcu_set_rate_txpower(mphy);
}
static int mt7925_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 = mt7925_mcu_set_clc(dev, dev->mt76.alpha2,
dev->country_ie_env);
if (err < 0)
goto out;
err = mt7925_set_tx_sar_pwr(hw, sar);
out:
mt792x_mutex_release(dev);
return err;
}
static void
mt7925_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);
mt7925_mcu_uni_add_beacon_offload(dev, hw, vif, true);
mt792x_mutex_release(dev);
}
static int
mt7925_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
unsigned int link_id, u16 queue,
const struct ieee80211_tx_queue_params *params)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct mt792x_bss_conf *mconf = mt792x_vif_to_link(mvif, link_id);
static const u8 mq_to_aci[] = {
[IEEE80211_AC_VO] = 3,
[IEEE80211_AC_VI] = 2,
[IEEE80211_AC_BE] = 0,
[IEEE80211_AC_BK] = 1,
};
/* firmware uses access class index */
mconf->queue_params[mq_to_aci[queue]] = *params;
return 0;
}
static int
mt7925_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_dev *dev = mt792x_hw_dev(hw);
int err;
mt792x_mutex_acquire(dev);
err = mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx,
link_conf, NULL, true);
if (err)
goto out;
err = mt7925_mcu_set_bss_pm(dev, link_conf, true);
if (err)
goto out;
err = mt7925_mcu_sta_update(dev, NULL, vif, true,
MT76_STA_INFO_STATE_NONE);
out:
mt792x_mutex_release(dev);
return err;
}
static void
mt7925_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_dev *dev = mt792x_hw_dev(hw);
int err;
mt792x_mutex_acquire(dev);
err = mt7925_mcu_set_bss_pm(dev, link_conf, false);
if (err)
goto out;
mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx, link_conf,
NULL, false);
out:
mt792x_mutex_release(dev);
}
static int
mt7925_add_chanctx(struct ieee80211_hw *hw,
struct ieee80211_chanctx_conf *ctx)
{
return 0;
}
static void
mt7925_remove_chanctx(struct ieee80211_hw *hw,
struct ieee80211_chanctx_conf *ctx)
{
}
static void
mt7925_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 mt792x_bss_conf *mconf;
struct ieee80211_vif *vif;
struct mt792x_vif *mvif;
if (!mctx->bss_conf)
return;
mconf = mctx->bss_conf;
mvif = mconf->vif;
vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv);
mt792x_mutex_acquire(phy->dev);
if (vif->type == NL80211_IFTYPE_MONITOR) {
mt7925_mcu_set_sniffer(mvif->phy->dev, vif, true);
mt7925_mcu_config_sniffer(mvif, ctx);
} else {
if (ieee80211_vif_is_mld(vif)) {
unsigned long valid = mvif->valid_links;
u8 i;
for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
mconf = mt792x_vif_to_link(mvif, i);
if (mconf && mconf->mt76.ctx == ctx)
break;
}
} else {
mconf = &mvif->bss_conf;
}
if (mconf) {
struct ieee80211_bss_conf *link_conf;
link_conf = mt792x_vif_to_bss_conf(vif, mconf->link_id);
mt7925_mcu_set_chctx(mvif->phy->mt76, &mconf->mt76,
link_conf, ctx);
}
}
mt792x_mutex_release(phy->dev);
}
static void mt7925_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);
mt7925_set_roc(mvif->phy, &mvif->bss_conf,
mvif->bss_conf.mt76.ctx->def.chan, duration,
MT7925_ROC_REQ_JOIN);
mt792x_mutex_release(dev);
}
static void mt7925_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;
mt7925_abort_roc(mvif->phy, &mvif->bss_conf);
}
static void mt7925_vif_cfg_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
u64 changed)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct mt792x_dev *dev = mt792x_hw_dev(hw);
unsigned long valid = ieee80211_vif_is_mld(vif) ?
mvif->valid_links : BIT(0);
struct ieee80211_bss_conf *bss_conf;
int i;
mt792x_mutex_acquire(dev);
if (changed & BSS_CHANGED_ASSOC) {
mt7925_mcu_sta_update(dev, NULL, vif, true,
MT76_STA_INFO_STATE_ASSOC);
mt7925_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc);
}
if (changed & BSS_CHANGED_ARP_FILTER) {
for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
bss_conf = mt792x_vif_to_bss_conf(vif, i);
mt7925_mcu_update_arp_filter(&dev->mt76, bss_conf);
}
}
if (changed & BSS_CHANGED_PS) {
for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
bss_conf = mt792x_vif_to_bss_conf(vif, i);
mt7925_mcu_uni_bss_ps(dev, bss_conf);
}
}
mt792x_mutex_release(dev);
}
static void mt7925_link_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *info,
u64 changed)
{
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);
struct mt792x_bss_conf *mconf;
mconf = mt792x_vif_to_link(mvif, info->link_id);
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;
mt7925_mcu_set_timing(phy, info);
}
}
if (changed & BSS_CHANGED_MCAST_RATE)
mconf->mt76.mcast_rates_idx =
mt7925_get_rates_table(hw, vif, false, true);
if (changed & BSS_CHANGED_BASIC_RATES)
mconf->mt76.basic_rates_idx =
mt7925_get_rates_table(hw, vif, false, false);
if (changed & (BSS_CHANGED_BEACON |
BSS_CHANGED_BEACON_ENABLED)) {
mconf->mt76.beacon_rates_idx =
mt7925_get_rates_table(hw, vif, true, false);
mt7925_mcu_uni_add_beacon_offload(dev, hw, vif,
info->enable_beacon);
}
/* ensure that enable txcmd_mode after bss_info */
if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED))
mt7925_mcu_set_tx(dev, info);
mt792x_mutex_release(dev);
}
static int
mt7925_change_vif_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
u16 old_links, u16 new_links,
struct ieee80211_bss_conf *old[IEEE80211_MLD_MAX_NUM_LINKS])
{
struct mt792x_bss_conf *mconfs[IEEE80211_MLD_MAX_NUM_LINKS] = {}, *mconf;
struct mt792x_link_sta *mlinks[IEEE80211_MLD_MAX_NUM_LINKS] = {}, *mlink;
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
unsigned long add = new_links & ~old_links;
unsigned long rem = old_links & ~new_links;
struct mt792x_dev *dev = mt792x_hw_dev(hw);
struct mt792x_phy *phy = mt792x_hw_phy(hw);
struct ieee80211_bss_conf *link_conf;
unsigned int link_id;
int err;
if (old_links == new_links)
return 0;
mt792x_mutex_acquire(dev);
for_each_set_bit(link_id, &rem, IEEE80211_MLD_MAX_NUM_LINKS) {
mconf = mt792x_vif_to_link(mvif, link_id);
mlink = mt792x_sta_to_link(&mvif->sta, link_id);
if (!mconf || !mlink)
continue;
if (mconf != &mvif->bss_conf) {
mt792x_mac_link_bss_remove(dev, mconf, mlink);
devm_kfree(dev->mt76.dev, mconf);
devm_kfree(dev->mt76.dev, mlink);
}
rcu_assign_pointer(mvif->link_conf[link_id], NULL);
rcu_assign_pointer(mvif->sta.link[link_id], NULL);
}
for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) {
if (!old_links) {
mvif->deflink_id = link_id;
mconf = &mvif->bss_conf;
mlink = &mvif->sta.deflink;
} else {
mconf = devm_kzalloc(dev->mt76.dev, sizeof(*mconf),
GFP_KERNEL);
mlink = devm_kzalloc(dev->mt76.dev, sizeof(*mlink),
GFP_KERNEL);
}
mconfs[link_id] = mconf;
mlinks[link_id] = mlink;
mconf->link_id = link_id;
mconf->vif = mvif;
mlink->wcid.link_id = link_id;
mlink->wcid.link_valid = !!vif->valid_links;
mlink->wcid.def_wcid = &mvif->sta.deflink.wcid;
}
if (hweight16(mvif->valid_links) == 0)
mt792x_mac_link_bss_remove(dev, &mvif->bss_conf,
&mvif->sta.deflink);
for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) {
mconf = mconfs[link_id];
mlink = mlinks[link_id];
link_conf = mt792x_vif_to_bss_conf(vif, link_id);
rcu_assign_pointer(mvif->link_conf[link_id], mconf);
rcu_assign_pointer(mvif->sta.link[link_id], mlink);
err = mt7925_mac_link_bss_add(dev, link_conf, mlink);
if (err < 0)
goto free;
if (mconf != &mvif->bss_conf) {
err = mt7925_set_mlo_roc(phy, &mvif->bss_conf,
vif->active_links);
if (err < 0)
goto free;
}
}
mvif->valid_links = new_links;
mt792x_mutex_release(dev);
return 0;
free:
for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) {
rcu_assign_pointer(mvif->link_conf[link_id], NULL);
rcu_assign_pointer(mvif->sta.link[link_id], NULL);
if (mconf != &mvif->bss_conf)
devm_kfree(dev->mt76.dev, mconfs[link_id]);
if (mlink != &mvif->sta.deflink)
devm_kfree(dev->mt76.dev, mlinks[link_id]);
}
mt792x_mutex_release(dev);
return err;
}
static int
mt7925_change_sta_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, u16 old_links, u16 new_links)
{
unsigned long add = new_links & ~old_links;
unsigned long rem = old_links & ~new_links;
struct mt792x_dev *dev = mt792x_hw_dev(hw);
int err = 0;
if (old_links == new_links)
return 0;
mt792x_mutex_acquire(dev);
err = mt7925_mac_sta_remove_links(dev, vif, sta, rem);
if (err < 0)
goto out;
err = mt7925_mac_sta_add_links(dev, vif, sta, add);
if (err < 0)
goto out;
out:
mt792x_mutex_release(dev);
return err;
}
static int mt7925_assign_vif_chanctx(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *link_conf,
struct ieee80211_chanctx_conf *ctx)
{
struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv;
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct mt792x_dev *dev = mt792x_hw_dev(hw);
struct ieee80211_bss_conf *pri_link_conf;
struct mt792x_bss_conf *mconf;
mutex_lock(&dev->mt76.mutex);
if (ieee80211_vif_is_mld(vif)) {
mconf = mt792x_vif_to_link(mvif, link_conf->link_id);
pri_link_conf = mt792x_vif_to_bss_conf(vif, mvif->deflink_id);
if (vif->type == NL80211_IFTYPE_STATION &&
mconf == &mvif->bss_conf)
mt7925_mcu_add_bss_info(&dev->phy, NULL, pri_link_conf,
NULL, true);
} else {
mconf = &mvif->bss_conf;
}
mconf->mt76.ctx = ctx;
mctx->bss_conf = mconf;
mutex_unlock(&dev->mt76.mutex);
return 0;
}
static void mt7925_unassign_vif_chanctx(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *link_conf,
struct ieee80211_chanctx_conf *ctx)
{
struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv;
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct mt792x_dev *dev = mt792x_hw_dev(hw);
struct ieee80211_bss_conf *pri_link_conf;
struct mt792x_bss_conf *mconf;
mutex_lock(&dev->mt76.mutex);
if (ieee80211_vif_is_mld(vif)) {
mconf = mt792x_vif_to_link(mvif, link_conf->link_id);
pri_link_conf = mt792x_vif_to_bss_conf(vif, mvif->deflink_id);
if (vif->type == NL80211_IFTYPE_STATION &&
mconf == &mvif->bss_conf)
mt7925_mcu_add_bss_info(&dev->phy, NULL, pri_link_conf,
NULL, false);
} else {
mconf = &mvif->bss_conf;
}
mctx->bss_conf = NULL;
mconf->mt76.ctx = NULL;
mutex_unlock(&dev->mt76.mutex);
}
const struct ieee80211_ops mt7925_ops = {
.tx = mt792x_tx,
.start = mt7925_start,
.stop = mt792x_stop,
.add_interface = mt7925_add_interface,
.remove_interface = mt792x_remove_interface,
.config = mt7925_config,
.conf_tx = mt7925_conf_tx,
.configure_filter = mt7925_configure_filter,
.start_ap = mt7925_start_ap,
.stop_ap = mt7925_stop_ap,
.sta_state = mt76_sta_state,
.sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
.set_key = mt7925_set_key,
.sta_set_decap_offload = mt7925_sta_set_decap_offload,
#if IS_ENABLED(CONFIG_IPV6)
.ipv6_addr_change = mt7925_ipv6_addr_change,
#endif /* CONFIG_IPV6 */
.ampdu_action = mt7925_ampdu_action,
.set_rts_threshold = mt7925_set_rts_threshold,
.wake_tx_queue = mt76_wake_tx_queue,
.release_buffered_frames = mt76_release_buffered_frames,
.channel_switch_beacon = mt7925_channel_switch_beacon,
.get_txpower = mt76_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 = mt7925_set_antenna,
.set_coverage_class = mt792x_set_coverage_class,
.hw_scan = mt7925_hw_scan,
.cancel_hw_scan = mt7925_cancel_hw_scan,
.sta_statistics = mt792x_sta_statistics,
.sched_scan_start = mt7925_start_sched_scan,
.sched_scan_stop = mt7925_stop_sched_scan,
#ifdef CONFIG_PM
.suspend = mt7925_suspend,
.resume = mt7925_resume,
.set_wakeup = mt792x_set_wakeup,
.set_rekey_data = mt7925_set_rekey_data,
#endif /* CONFIG_PM */
.flush = mt792x_flush,
.set_sar_specs = mt7925_set_sar_specs,
.remain_on_channel = mt7925_remain_on_channel,
.cancel_remain_on_channel = mt7925_cancel_remain_on_channel,
.add_chanctx = mt7925_add_chanctx,
.remove_chanctx = mt7925_remove_chanctx,
.change_chanctx = mt7925_change_chanctx,
.assign_vif_chanctx = mt7925_assign_vif_chanctx,
.unassign_vif_chanctx = mt7925_unassign_vif_chanctx,
.mgd_prepare_tx = mt7925_mgd_prepare_tx,
.mgd_complete_tx = mt7925_mgd_complete_tx,
.vif_cfg_changed = mt7925_vif_cfg_changed,
.link_info_changed = mt7925_link_info_changed,
.change_vif_links = mt7925_change_vif_links,
.change_sta_links = mt7925_change_sta_links,
};
EXPORT_SYMBOL_GPL(mt7925_ops);
MODULE_AUTHOR("Deren Wu <deren.wu@mediatek.com>");
MODULE_DESCRIPTION("MediaTek MT7925 core driver");
MODULE_LICENSE("Dual BSD/GPL");
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