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cfbbb8e66a7920efbb69e7a03887079c0ca292a3
mt76/mt792x_core.c
T
Ingo MolnarandFelix Fietkau cfbbb8e66a treewide, timers: Rename from_timer() to timer_container_of() 
Move this API to the canonical timer_*() namespace.

[ tglx: Redone against pre rc1 ]

Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Link: https://lore.kernel.org/all/[email protected]
2026-01-27 11:14:55 +00:00

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// SPDX-License-Identifier: BSD-3-Clause-Clear
/* Copyright (C) 2023 MediaTek Inc. */
#include <linux/module.h>
#include <linux/firmware.h>
#include "mt792x.h"
#include "dma.h"
static const struct ieee80211_iface_limit if_limits[] = {
{
.max = MT792x_MAX_INTERFACES,
.types = BIT(NL80211_IFTYPE_STATION)
},
{
.max = 1,
.types = BIT(NL80211_IFTYPE_AP)
}
};
static const struct ieee80211_iface_combination if_comb[] = {
{
.limits = if_limits,
.n_limits = ARRAY_SIZE(if_limits),
.max_interfaces = MT792x_MAX_INTERFACES,
.num_different_channels = 1,
.beacon_int_infra_match = true,
},
};
static const struct ieee80211_iface_limit if_limits_chanctx_mcc[] = {
{
.max = 2,
.types = BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_P2P_CLIENT)
},
{
.max = 1,
.types = BIT(NL80211_IFTYPE_P2P_GO)
},
{
.max = 1,
.types = BIT(NL80211_IFTYPE_P2P_DEVICE)
}
};
static const struct ieee80211_iface_limit if_limits_chanctx_scc[] = {
{
.max = 2,
.types = BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_P2P_CLIENT)
},
{
.max = 1,
.types = BIT(NL80211_IFTYPE_AP)
},
{
.max = 1,
.types = BIT(NL80211_IFTYPE_P2P_DEVICE)
}
};
static const struct ieee80211_iface_combination if_comb_chanctx[] = {
{
.limits = if_limits_chanctx_mcc,
.n_limits = ARRAY_SIZE(if_limits_chanctx_mcc),
.max_interfaces = 3,
.num_different_channels = 2,
.beacon_int_infra_match = false,
},
{
.limits = if_limits_chanctx_scc,
.n_limits = ARRAY_SIZE(if_limits_chanctx_scc),
.max_interfaces = 3,
.num_different_channels = 1,
.beacon_int_infra_match = false,
}
};
void mt792x_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct mt792x_dev *dev = mt792x_hw_dev(hw);
struct mt76_phy *mphy = hw->priv;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_vif *vif = info->control.vif;
struct mt76_wcid *wcid = &dev->mt76.global_wcid;
u8 link_id;
int qid;
if (control->sta) {
struct mt792x_link_sta *mlink;
struct mt792x_sta *sta;
link_id = u32_get_bits(info->control.flags,
IEEE80211_TX_CTRL_MLO_LINK);
sta = (struct mt792x_sta *)control->sta->drv_priv;
mlink = mt792x_sta_to_link(sta, link_id);
wcid = &mlink->wcid;
}
if (vif && !control->sta) {
struct mt792x_vif *mvif;
mvif = (struct mt792x_vif *)vif->drv_priv;
wcid = &mvif->sta.deflink.wcid;
}
if (vif && control->sta && ieee80211_vif_is_mld(vif)) {
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ieee80211_link_sta *link_sta;
struct ieee80211_bss_conf *conf;
link_id = wcid->link_id;
rcu_read_lock();
conf = rcu_dereference(vif->link_conf[link_id]);
memcpy(hdr->addr2, conf->addr, ETH_ALEN);
link_sta = rcu_dereference(control->sta->link[link_id]);
memcpy(hdr->addr1, link_sta->addr, ETH_ALEN);
if (vif->type == NL80211_IFTYPE_STATION)
memcpy(hdr->addr3, conf->bssid, ETH_ALEN);
rcu_read_unlock();
}
if (mt76_connac_pm_ref(mphy, &dev->pm)) {
mt76_tx(mphy, control->sta, wcid, skb);
mt76_connac_pm_unref(mphy, &dev->pm);
return;
}
qid = skb_get_queue_mapping(skb);
if (qid >= MT_TXQ_PSD) {
qid = IEEE80211_AC_BE;
skb_set_queue_mapping(skb, qid);
}
mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb);
}
EXPORT_SYMBOL_GPL(mt792x_tx);
void mt792x_stop(struct ieee80211_hw *hw, bool suspend)
{
struct mt792x_dev *dev = mt792x_hw_dev(hw);
struct mt792x_phy *phy = mt792x_hw_phy(hw);
cancel_delayed_work_sync(&phy->mt76->mac_work);
cancel_delayed_work_sync(&dev->pm.ps_work);
cancel_work_sync(&dev->pm.wake_work);
cancel_work_sync(&dev->reset_work);
mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
if (is_mt7921(&dev->mt76)) {
mt792x_mutex_acquire(dev);
mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, false, false);
mt792x_mutex_release(dev);
}
clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
}
EXPORT_SYMBOL_GPL(mt792x_stop);
void mt792x_mac_link_bss_remove(struct mt792x_dev *dev,
struct mt792x_bss_conf *mconf,
struct mt792x_link_sta *mlink)
{
struct ieee80211_vif *vif = container_of((void *)mconf->vif,
struct ieee80211_vif, drv_priv);
struct ieee80211_bss_conf *link_conf;
int idx = mlink->wcid.idx;
link_conf = mt792x_vif_to_bss_conf(vif, mconf->link_id);
mt76_connac_free_pending_tx_skbs(&dev->pm, &mlink->wcid);
mt76_connac_mcu_uni_add_dev(&dev->mphy, link_conf, &mconf->mt76,
&mlink->wcid, false);
rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
dev->mt76.vif_mask &= ~BIT_ULL(mconf->mt76.idx);
mconf->vif->phy->omac_mask &= ~BIT_ULL(mconf->mt76.omac_idx);
spin_lock_bh(&dev->mt76.sta_poll_lock);
if (!list_empty(&mlink->wcid.poll_list))
list_del_init(&mlink->wcid.poll_list);
spin_unlock_bh(&dev->mt76.sta_poll_lock);
mt76_wcid_cleanup(&dev->mt76, &mlink->wcid);
}
EXPORT_SYMBOL_GPL(mt792x_mac_link_bss_remove);
void mt792x_remove_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_bss_conf *mconf;
mt792x_mutex_acquire(dev);
mconf = mt792x_link_conf_to_mconf(&vif->bss_conf);
mt792x_mac_link_bss_remove(dev, mconf, &mvif->sta.deflink);
mt792x_mutex_release(dev);
}
EXPORT_SYMBOL_GPL(mt792x_remove_interface);
int mt792x_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;
/* no need to update right away, we'll get BSS_CHANGED_QOS */
queue = mt76_connac_lmac_mapping(queue);
mvif->bss_conf.queue_params[queue] = *params;
return 0;
}
EXPORT_SYMBOL_GPL(mt792x_conf_tx);
int mt792x_get_stats(struct ieee80211_hw *hw,
struct ieee80211_low_level_stats *stats)
{
struct mt792x_phy *phy = mt792x_hw_phy(hw);
struct mt76_mib_stats *mib = &phy->mib;
mt792x_mutex_acquire(phy->dev);
stats->dot11RTSSuccessCount = mib->rts_cnt;
stats->dot11RTSFailureCount = mib->rts_retries_cnt;
stats->dot11FCSErrorCount = mib->fcs_err_cnt;
stats->dot11ACKFailureCount = mib->ack_fail_cnt;
mt792x_mutex_release(phy->dev);
return 0;
}
EXPORT_SYMBOL_GPL(mt792x_get_stats);
u64 mt792x_get_tsf(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);
u8 omac_idx = mvif->bss_conf.mt76.omac_idx;
union {
u64 t64;
u32 t32[2];
} tsf;
u16 n;
mt792x_mutex_acquire(dev);
n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx;
/* TSF software read */
mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_MODE);
tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(0));
tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(0));
mt792x_mutex_release(dev);
return tsf.t64;
}
EXPORT_SYMBOL_GPL(mt792x_get_tsf);
void mt792x_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
u64 timestamp)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct mt792x_dev *dev = mt792x_hw_dev(hw);
u8 omac_idx = mvif->bss_conf.mt76.omac_idx;
union {
u64 t64;
u32 t32[2];
} tsf = { .t64 = timestamp, };
u16 n;
mt792x_mutex_acquire(dev);
n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx;
mt76_wr(dev, MT_LPON_UTTR0(0), tsf.t32[0]);
mt76_wr(dev, MT_LPON_UTTR1(0), tsf.t32[1]);
/* TSF software overwrite */
mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_WRITE);
mt792x_mutex_release(dev);
}
EXPORT_SYMBOL_GPL(mt792x_set_tsf);
void mt792x_tx_worker(struct mt76_worker *w)
{
struct mt792x_dev *dev = container_of(w, struct mt792x_dev,
mt76.tx_worker);
if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) {
queue_work(dev->mt76.wq, &dev->pm.wake_work);
return;
}
mt76_txq_schedule_all(&dev->mphy);
mt76_connac_pm_unref(&dev->mphy, &dev->pm);
}
EXPORT_SYMBOL_GPL(mt792x_tx_worker);
void mt792x_roc_timer(struct timer_list *timer)
{
struct mt792x_phy *phy = timer_container_of(phy, timer, roc_timer);
ieee80211_queue_work(phy->mt76->hw, &phy->roc_work);
}
EXPORT_SYMBOL_GPL(mt792x_roc_timer);
void mt792x_csa_timer(struct timer_list *timer)
{
struct mt792x_vif *mvif = timer_container_of(mvif, timer, csa_timer);
ieee80211_queue_work(mvif->phy->mt76->hw, &mvif->csa_work);
}
EXPORT_SYMBOL_GPL(mt792x_csa_timer);
void mt792x_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
u32 queues, bool drop)
{
struct mt792x_dev *dev = mt792x_hw_dev(hw);
wait_event_timeout(dev->mt76.tx_wait,
!mt76_has_tx_pending(&dev->mphy), HZ / 2);
}
EXPORT_SYMBOL_GPL(mt792x_flush);
int mt792x_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);
mutex_lock(&dev->mt76.mutex);
mvif->bss_conf.mt76.ctx = ctx;
mctx->bss_conf = &mvif->bss_conf;
mutex_unlock(&dev->mt76.mutex);
return 0;
}
EXPORT_SYMBOL_GPL(mt792x_assign_vif_chanctx);
void mt792x_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);
mutex_lock(&dev->mt76.mutex);
mctx->bss_conf = NULL;
mvif->bss_conf.mt76.ctx = NULL;
mutex_unlock(&dev->mt76.mutex);
if (vif->bss_conf.csa_active) {
del_timer_sync(&mvif->csa_timer);
cancel_work_sync(&mvif->csa_work);
}
}
EXPORT_SYMBOL_GPL(mt792x_unassign_vif_chanctx);
void mt792x_set_wakeup(struct ieee80211_hw *hw, bool enabled)
{
struct mt792x_dev *dev = mt792x_hw_dev(hw);
struct mt76_dev *mdev = &dev->mt76;
device_set_wakeup_enable(mdev->dev, enabled);
}
EXPORT_SYMBOL_GPL(mt792x_set_wakeup);
static const char mt792x_gstrings_stats[][ETH_GSTRING_LEN] = {
/* tx counters */
"tx_ampdu_cnt",
"tx_mpdu_attempts",
"tx_mpdu_success",
"tx_pkt_ebf_cnt",
"tx_pkt_ibf_cnt",
"tx_ampdu_len:0-1",
"tx_ampdu_len:2-10",
"tx_ampdu_len:11-19",
"tx_ampdu_len:20-28",
"tx_ampdu_len:29-37",
"tx_ampdu_len:38-46",
"tx_ampdu_len:47-55",
"tx_ampdu_len:56-79",
"tx_ampdu_len:80-103",
"tx_ampdu_len:104-127",
"tx_ampdu_len:128-151",
"tx_ampdu_len:152-175",
"tx_ampdu_len:176-199",
"tx_ampdu_len:200-223",
"tx_ampdu_len:224-247",
"ba_miss_count",
"tx_beamformer_ppdu_iBF",
"tx_beamformer_ppdu_eBF",
"tx_beamformer_rx_feedback_all",
"tx_beamformer_rx_feedback_he",
"tx_beamformer_rx_feedback_vht",
"tx_beamformer_rx_feedback_ht",
"tx_msdu_pack_1",
"tx_msdu_pack_2",
"tx_msdu_pack_3",
"tx_msdu_pack_4",
"tx_msdu_pack_5",
"tx_msdu_pack_6",
"tx_msdu_pack_7",
"tx_msdu_pack_8",
/* rx counters */
"rx_mpdu_cnt",
"rx_ampdu_cnt",
"rx_ampdu_bytes_cnt",
"rx_ba_cnt",
/* per vif counters */
"v_tx_mode_cck",
"v_tx_mode_ofdm",
"v_tx_mode_ht",
"v_tx_mode_ht_gf",
"v_tx_mode_vht",
"v_tx_mode_he_su",
"v_tx_mode_he_ext_su",
"v_tx_mode_he_tb",
"v_tx_mode_he_mu",
"v_tx_mode_eht_su",
"v_tx_mode_eht_trig",
"v_tx_mode_eht_mu",
"v_tx_bw_20",
"v_tx_bw_40",
"v_tx_bw_80",
"v_tx_bw_160",
"v_tx_bw_320",
"v_tx_mcs_0",
"v_tx_mcs_1",
"v_tx_mcs_2",
"v_tx_mcs_3",
"v_tx_mcs_4",
"v_tx_mcs_5",
"v_tx_mcs_6",
"v_tx_mcs_7",
"v_tx_mcs_8",
"v_tx_mcs_9",
"v_tx_mcs_10",
"v_tx_mcs_11",
"v_tx_mcs_12",
"v_tx_mcs_13",
"v_tx_nss_1",
"v_tx_nss_2",
"v_tx_nss_3",
"v_tx_nss_4",
};
void mt792x_get_et_strings(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
u32 sset, u8 *data)
{
if (sset != ETH_SS_STATS)
return;
memcpy(data, mt792x_gstrings_stats, sizeof(mt792x_gstrings_stats));
data += sizeof(mt792x_gstrings_stats);
page_pool_ethtool_stats_get_strings(data);
}
EXPORT_SYMBOL_GPL(mt792x_get_et_strings);
int mt792x_get_et_sset_count(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
int sset)
{
if (sset != ETH_SS_STATS)
return 0;
return ARRAY_SIZE(mt792x_gstrings_stats) +
page_pool_ethtool_stats_get_count();
}
EXPORT_SYMBOL_GPL(mt792x_get_et_sset_count);
static void
mt792x_ethtool_worker(void *wi_data, struct ieee80211_sta *sta)
{
struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
struct mt76_ethtool_worker_info *wi = wi_data;
if (msta->vif->bss_conf.mt76.idx != wi->idx)
return;
mt76_ethtool_worker(wi, &msta->deflink.wcid.stats, true);
}
void mt792x_get_et_stats(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ethtool_stats *stats, u64 *data)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
int stats_size = ARRAY_SIZE(mt792x_gstrings_stats);
struct mt792x_phy *phy = mt792x_hw_phy(hw);
struct mt792x_dev *dev = phy->dev;
struct mt76_mib_stats *mib = &phy->mib;
struct mt76_ethtool_worker_info wi = {
.data = data,
.idx = mvif->bss_conf.mt76.idx,
};
int i, ei = 0;
mt792x_mutex_acquire(dev);
mt792x_mac_update_mib_stats(phy);
data[ei++] = mib->tx_ampdu_cnt;
data[ei++] = mib->tx_mpdu_attempts_cnt;
data[ei++] = mib->tx_mpdu_success_cnt;
data[ei++] = mib->tx_pkt_ebf_cnt;
data[ei++] = mib->tx_pkt_ibf_cnt;
/* Tx ampdu stat */
for (i = 0; i < 15; i++)
data[ei++] = phy->mt76->aggr_stats[i];
data[ei++] = phy->mib.ba_miss_cnt;
/* Tx Beamformer monitor */
data[ei++] = mib->tx_bf_ibf_ppdu_cnt;
data[ei++] = mib->tx_bf_ebf_ppdu_cnt;
/* Tx Beamformer Rx feedback monitor */
data[ei++] = mib->tx_bf_rx_fb_all_cnt;
data[ei++] = mib->tx_bf_rx_fb_he_cnt;
data[ei++] = mib->tx_bf_rx_fb_vht_cnt;
data[ei++] = mib->tx_bf_rx_fb_ht_cnt;
/* Tx amsdu info (pack-count histogram) */
for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++)
data[ei++] = mib->tx_amsdu[i];
/* rx counters */
data[ei++] = mib->rx_mpdu_cnt;
data[ei++] = mib->rx_ampdu_cnt;
data[ei++] = mib->rx_ampdu_bytes_cnt;
data[ei++] = mib->rx_ba_cnt;
/* Add values for all stations owned by this vif */
wi.initial_stat_idx = ei;
ieee80211_iterate_stations_atomic(hw, mt792x_ethtool_worker, &wi);
mt792x_mutex_release(dev);
if (!wi.sta_count)
return;
ei += wi.worker_stat_count;
mt76_ethtool_page_pool_stats(&dev->mt76, &data[ei], &ei);
stats_size += page_pool_ethtool_stats_get_count();
if (ei != stats_size)
dev_err(dev->mt76.dev, "ei: %d SSTATS_LEN: %d", ei,
stats_size);
}
EXPORT_SYMBOL_GPL(mt792x_get_et_stats);
void mt792x_sta_statistics(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct station_info *sinfo)
{
struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
struct rate_info *txrate = &msta->deflink.wcid.rate;
if (!txrate->legacy && !txrate->flags)
return;
if (txrate->legacy) {
sinfo->txrate.legacy = txrate->legacy;
} else {
sinfo->txrate.mcs = txrate->mcs;
sinfo->txrate.nss = txrate->nss;
sinfo->txrate.bw = txrate->bw;
sinfo->txrate.he_gi = txrate->he_gi;
sinfo->txrate.he_dcm = txrate->he_dcm;
sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc;
}
sinfo->tx_failed = msta->deflink.wcid.stats.tx_failed;
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED);
sinfo->tx_retries = msta->deflink.wcid.stats.tx_retries;
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_RETRIES);
sinfo->txrate.flags = txrate->flags;
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
sinfo->ack_signal = (s8)msta->deflink.ack_signal;
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL);
sinfo->avg_ack_signal = -(s8)ewma_avg_signal_read(&msta->deflink.avg_ack_signal);
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL_AVG);
}
EXPORT_SYMBOL_GPL(mt792x_sta_statistics);
void mt792x_set_coverage_class(struct ieee80211_hw *hw, int radio_idx,
s16 coverage_class)
{
struct mt792x_phy *phy = mt792x_hw_phy(hw);
struct mt792x_dev *dev = phy->dev;
mt792x_mutex_acquire(dev);
phy->coverage_class = max_t(s16, coverage_class, 0);
mt792x_mac_set_timeing(phy);
mt792x_mutex_release(dev);
}
EXPORT_SYMBOL_GPL(mt792x_set_coverage_class);
int mt792x_init_wiphy(struct ieee80211_hw *hw)
{
struct mt792x_phy *phy = mt792x_hw_phy(hw);
struct mt792x_dev *dev = phy->dev;
struct wiphy *wiphy = hw->wiphy;
hw->queues = 4;
if (dev->has_eht) {
hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_EHT;
hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_EHT;
} else {
hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HE;
hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HE;
}
hw->netdev_features = NETIF_F_RXCSUM;
hw->radiotap_timestamp.units_pos =
IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US;
phy->slottime = 9;
hw->sta_data_size = sizeof(struct mt792x_sta);
hw->vif_data_size = sizeof(struct mt792x_vif);
hw->chanctx_data_size = sizeof(struct mt792x_chanctx);
if (dev->fw_features & MT792x_FW_CAP_CNM) {
wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
wiphy->iface_combinations = if_comb_chanctx;
wiphy->n_iface_combinations = ARRAY_SIZE(if_comb_chanctx);
} else {
wiphy->flags &= ~WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
wiphy->iface_combinations = if_comb;
wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
}
wiphy->flags &= ~(WIPHY_FLAG_IBSS_RSN | WIPHY_FLAG_4ADDR_AP |
WIPHY_FLAG_4ADDR_STATION);
wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_AP) |
BIT(NL80211_IFTYPE_P2P_CLIENT) |
BIT(NL80211_IFTYPE_P2P_GO) |
BIT(NL80211_IFTYPE_P2P_DEVICE);
wiphy->max_remain_on_channel_duration = 5000;
wiphy->max_scan_ie_len = MT76_CONNAC_SCAN_IE_LEN;
wiphy->max_scan_ssids = 4;
wiphy->max_sched_scan_plan_interval =
MT76_CONNAC_MAX_TIME_SCHED_SCAN_INTERVAL;
wiphy->max_sched_scan_ie_len = IEEE80211_MAX_DATA_LEN;
wiphy->max_sched_scan_ssids = MT76_CONNAC_MAX_SCHED_SCAN_SSID;
wiphy->max_match_sets = MT76_CONNAC_MAX_SCAN_MATCH;
wiphy->max_sched_scan_reqs = 1;
wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH |
WIPHY_FLAG_SPLIT_SCAN_6GHZ;
wiphy->features |= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_SET_SCAN_DWELL);
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_LEGACY);
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_HT);
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_VHT);
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_HE);
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT);
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_CAN_REPLACE_PTK0);
ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS);
ieee80211_hw_set(hw, HAS_RATE_CONTROL);
ieee80211_hw_set(hw, SUPPORTS_TX_ENCAP_OFFLOAD);
ieee80211_hw_set(hw, SUPPORTS_RX_DECAP_OFFLOAD);
ieee80211_hw_set(hw, WANT_MONITOR_VIF);
ieee80211_hw_set(hw, SUPPORTS_PS);
ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW);
ieee80211_hw_set(hw, CONNECTION_MONITOR);
ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID);
ieee80211_hw_set(hw, SUPPORTS_ONLY_HE_MULTI_BSSID);
ieee80211_hw_set(hw, CHANCTX_STA_CSA);
if (dev->pm.enable)
ieee80211_hw_set(hw, CONNECTION_MONITOR);
hw->max_tx_fragments = 4;
return 0;
}
EXPORT_SYMBOL_GPL(mt792x_init_wiphy);
static u8
mt792x_get_offload_capability(struct device *dev, const char *fw_wm)
{
const struct mt76_connac2_fw_trailer *hdr;
struct mt792x_realease_info *rel_info;
const struct firmware *fw;
int ret, i, offset = 0;
const u8 *data, *end;
u8 offload_caps = 0;
ret = request_firmware(&fw, fw_wm, dev);
if (ret)
return ret;
if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
dev_err(dev, "Invalid firmware\n");
goto out;
}
data = fw->data;
hdr = (const void *)(fw->data + fw->size - sizeof(*hdr));
for (i = 0; i < hdr->n_region; i++) {
const struct mt76_connac2_fw_region *region;
region = (const void *)((const u8 *)hdr -
(hdr->n_region - i) * sizeof(*region));
offset += le32_to_cpu(region->len);
}
data += offset + 16;
rel_info = (struct mt792x_realease_info *)data;
data += sizeof(*rel_info);
end = data + le16_to_cpu(rel_info->len);
while (data < end) {
rel_info = (struct mt792x_realease_info *)data;
data += sizeof(*rel_info);
if (rel_info->tag == MT792x_FW_TAG_FEATURE) {
struct mt792x_fw_features *features;
features = (struct mt792x_fw_features *)data;
offload_caps = features->data;
break;
}
data += le16_to_cpu(rel_info->len) + rel_info->pad_len;
}
out:
release_firmware(fw);
return offload_caps;
}
struct ieee80211_ops *
mt792x_get_mac80211_ops(struct device *dev,
const struct ieee80211_ops *mac80211_ops,
void *drv_data, u8 *fw_features)
{
struct ieee80211_ops *ops;
ops = devm_kmemdup(dev, mac80211_ops, sizeof(struct ieee80211_ops),
GFP_KERNEL);
if (!ops)
return NULL;
*fw_features = mt792x_get_offload_capability(dev, drv_data);
if (!(*fw_features & MT792x_FW_CAP_CNM)) {
ops->remain_on_channel = NULL;
ops->cancel_remain_on_channel = NULL;
ops->add_chanctx = ieee80211_emulate_add_chanctx;
ops->remove_chanctx = ieee80211_emulate_remove_chanctx;
ops->change_chanctx = ieee80211_emulate_change_chanctx;
ops->switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx;
ops->assign_vif_chanctx = NULL;
ops->unassign_vif_chanctx = NULL;
ops->mgd_prepare_tx = NULL;
ops->mgd_complete_tx = NULL;
}
return ops;
}
EXPORT_SYMBOL_GPL(mt792x_get_mac80211_ops);
int mt792x_init_wcid(struct mt792x_dev *dev)
{
int idx;
/* Beacon and mgmt frames should occupy wcid 0 */
idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1);
if (idx)
return -ENOSPC;
dev->mt76.global_wcid.idx = idx;
dev->mt76.global_wcid.hw_key_idx = -1;
dev->mt76.global_wcid.tx_info |= MT_WCID_TX_INFO_SET;
rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid);
return 0;
}
EXPORT_SYMBOL_GPL(mt792x_init_wcid);
int mt792x_mcu_drv_pmctrl(struct mt792x_dev *dev)
{
struct mt76_phy *mphy = &dev->mt76.phy;
struct mt76_connac_pm *pm = &dev->pm;
int err = 0;
mutex_lock(&pm->mutex);
if (!test_bit(MT76_STATE_PM, &mphy->state))
goto out;
err = __mt792x_mcu_drv_pmctrl(dev);
out:
mutex_unlock(&pm->mutex);
if (err)
mt792x_reset(&dev->mt76);
return err;
}
EXPORT_SYMBOL_GPL(mt792x_mcu_drv_pmctrl);
int mt792x_mcu_fw_pmctrl(struct mt792x_dev *dev)
{
struct mt76_phy *mphy = &dev->mt76.phy;
struct mt76_connac_pm *pm = &dev->pm;
int err = 0;
mutex_lock(&pm->mutex);
if (mt76_connac_skip_fw_pmctrl(mphy, pm))
goto out;
err = __mt792x_mcu_fw_pmctrl(dev);
out:
mutex_unlock(&pm->mutex);
if (err)
mt792x_reset(&dev->mt76);
return err;
}
EXPORT_SYMBOL_GPL(mt792x_mcu_fw_pmctrl);
int __mt792xe_mcu_drv_pmctrl(struct mt792x_dev *dev)
{
int i, err = 0;
for (i = 0; i < MT792x_DRV_OWN_RETRY_COUNT; i++) {
mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_CLR_OWN);
if (dev->aspm_supported)
usleep_range(2000, 3000);
if (mt76_poll_msec_tick(dev, MT_CONN_ON_LPCTL,
PCIE_LPCR_HOST_OWN_SYNC, 0, 50, 1))
break;
}
if (i == MT792x_DRV_OWN_RETRY_COUNT) {
dev_err(dev->mt76.dev, "driver own failed\n");
err = -EIO;
}
return err;
}
EXPORT_SYMBOL_GPL(__mt792xe_mcu_drv_pmctrl);
int mt792xe_mcu_drv_pmctrl(struct mt792x_dev *dev)
{
struct mt76_phy *mphy = &dev->mt76.phy;
struct mt76_connac_pm *pm = &dev->pm;
int err;
err = __mt792xe_mcu_drv_pmctrl(dev);
if (err < 0)
goto out;
mt792x_wpdma_reinit_cond(dev);
clear_bit(MT76_STATE_PM, &mphy->state);
pm->stats.last_wake_event = jiffies;
pm->stats.doze_time += pm->stats.last_wake_event -
pm->stats.last_doze_event;
out:
return err;
}
EXPORT_SYMBOL_GPL(mt792xe_mcu_drv_pmctrl);
int mt792xe_mcu_fw_pmctrl(struct mt792x_dev *dev)
{
struct mt76_phy *mphy = &dev->mt76.phy;
struct mt76_connac_pm *pm = &dev->pm;
int i;
for (i = 0; i < MT792x_DRV_OWN_RETRY_COUNT; i++) {
mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_SET_OWN);
if (mt76_poll_msec_tick(dev, MT_CONN_ON_LPCTL,
PCIE_LPCR_HOST_OWN_SYNC, 4, 50, 1))
break;
}
if (i == MT792x_DRV_OWN_RETRY_COUNT) {
dev_err(dev->mt76.dev, "firmware own failed\n");
clear_bit(MT76_STATE_PM, &mphy->state);
return -EIO;
}
pm->stats.last_doze_event = jiffies;
pm->stats.awake_time += pm->stats.last_doze_event -
pm->stats.last_wake_event;
return 0;
}
EXPORT_SYMBOL_GPL(mt792xe_mcu_fw_pmctrl);
int mt792x_load_firmware(struct mt792x_dev *dev)
{
int ret;
ret = mt76_connac2_load_patch(&dev->mt76, mt792x_patch_name(dev));
if (ret)
return ret;
if (mt76_is_sdio(&dev->mt76)) {
/* activate again */
ret = __mt792x_mcu_fw_pmctrl(dev);
if (!ret)
ret = __mt792x_mcu_drv_pmctrl(dev);
}
ret = mt76_connac2_load_ram(&dev->mt76, mt792x_ram_name(dev), NULL);
if (ret)
return ret;
if (!mt76_poll_msec(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_N9_RDY,
MT_TOP_MISC2_FW_N9_RDY, 1500)) {
dev_err(dev->mt76.dev, "Timeout for initializing firmware\n");
return -EIO;
}
#ifdef CONFIG_PM
dev->mt76.hw->wiphy->wowlan = &mt76_connac_wowlan_support;
#endif /* CONFIG_PM */
dev_dbg(dev->mt76.dev, "Firmware init done\n");
return 0;
}
EXPORT_SYMBOL_GPL(mt792x_load_firmware);
void mt792x_config_mac_addr_list(struct mt792x_dev *dev)
{
struct ieee80211_hw *hw = mt76_hw(dev);
struct wiphy *wiphy = hw->wiphy;
int i;
for (i = 0; i < ARRAY_SIZE(dev->macaddr_list); i++) {
u8 *addr = dev->macaddr_list[i].addr;
memcpy(addr, dev->mphy.macaddr, ETH_ALEN);
if (!i)
continue;
addr[0] |= BIT(1);
addr[0] ^= ((i - 1) << 2);
}
wiphy->addresses = dev->macaddr_list;
wiphy->n_addresses = ARRAY_SIZE(dev->macaddr_list);
}
EXPORT_SYMBOL_GPL(mt792x_config_mac_addr_list);
MODULE_DESCRIPTION("MediaTek MT792x core driver");
MODULE_LICENSE("Dual BSD/GPL");
MODULE_AUTHOR("Lorenzo Bianconi <[email protected]>");
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