blob: c48158392057e7c2b1904ae128d085acec7579b8 [file] [log] [blame]
// SPDX-License-Identifier: ISC
/* Copyright (C) 2020 MediaTek Inc. */
#include <linux/etherdevice.h>
#include <linux/platform_device.h>
#include <linux/pci.h>
#include <linux/module.h>
#include "mt7915.h"
#include "mcu.h"
static bool mt7915_dev_running(struct mt7915_dev *dev)
{
struct mt7915_phy *phy;
if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
return true;
phy = mt7915_ext_phy(dev);
return phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state);
}
static int mt7915_start(struct ieee80211_hw *hw)
{
struct mt7915_dev *dev = mt7915_hw_dev(hw);
struct mt7915_phy *phy = mt7915_hw_phy(hw);
bool running;
mutex_lock(&dev->mt76.mutex);
running = mt7915_dev_running(dev);
if (!running) {
mt7915_mcu_set_pm(dev, 0, 0);
mt7915_mcu_set_mac(dev, 0, true, false);
mt7915_mcu_set_scs(dev, 0, true);
}
if (phy != &dev->phy) {
mt7915_mcu_set_pm(dev, 1, 0);
mt7915_mcu_set_mac(dev, 1, true, false);
mt7915_mcu_set_scs(dev, 1, true);
}
mt7915_mcu_set_sku_en(phy, true);
mt7915_mcu_set_chan_info(phy, MCU_EXT_CMD_SET_RX_PATH);
set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
ieee80211_queue_delayed_work(hw, &phy->mac_work,
MT7915_WATCHDOG_TIME);
if (!running)
mt7915_mac_reset_counters(phy);
mutex_unlock(&dev->mt76.mutex);
return 0;
}
static void mt7915_stop(struct ieee80211_hw *hw)
{
struct mt7915_dev *dev = mt7915_hw_dev(hw);
struct mt7915_phy *phy = mt7915_hw_phy(hw);
cancel_delayed_work_sync(&phy->mac_work);
mutex_lock(&dev->mt76.mutex);
clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
if (phy != &dev->phy) {
mt7915_mcu_set_pm(dev, 1, 1);
mt7915_mcu_set_mac(dev, 1, false, false);
}
if (!mt7915_dev_running(dev)) {
mt7915_mcu_set_pm(dev, 0, 1);
mt7915_mcu_set_mac(dev, 0, false, false);
}
mutex_unlock(&dev->mt76.mutex);
}
static int get_omac_idx(enum nl80211_iftype type, u32 mask)
{
int i;
switch (type) {
case NL80211_IFTYPE_MONITOR:
case NL80211_IFTYPE_AP:
/* ap uses hw bssid 0 and ext bssid */
if (~mask & BIT(HW_BSSID_0))
return HW_BSSID_0;
for (i = EXT_BSSID_1; i < EXT_BSSID_END; i++)
if (~mask & BIT(i))
return i;
break;
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_STATION:
/* station uses hw bssid other than 0 */
for (i = HW_BSSID_1; i < HW_BSSID_MAX; i++)
if (~mask & BIT(i))
return i;
break;
default:
WARN_ON(1);
break;
}
return -1;
}
static int mt7915_add_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct mt7915_dev *dev = mt7915_hw_dev(hw);
struct mt7915_phy *phy = mt7915_hw_phy(hw);
struct mt76_txq *mtxq;
bool ext_phy = phy != &dev->phy;
int idx, ret = 0;
mutex_lock(&dev->mt76.mutex);
mvif->idx = ffs(~phy->mt76->vif_mask) - 1;
if (mvif->idx >= MT7915_MAX_INTERFACES) {
ret = -ENOSPC;
goto out;
}
idx = get_omac_idx(vif->type, phy->omac_mask);
if (idx < 0) {
ret = -ENOSPC;
goto out;
}
mvif->omac_idx = idx;
mvif->phy = phy;
mvif->band_idx = ext_phy;
if (ext_phy)
mvif->wmm_idx = ext_phy * (MT7915_MAX_WMM_SETS / 2) +
mvif->idx % (MT7915_MAX_WMM_SETS / 2);
else
mvif->wmm_idx = mvif->idx % MT7915_MAX_WMM_SETS;
ret = mt7915_mcu_add_dev_info(dev, vif, true);
if (ret)
goto out;
phy->mt76->vif_mask |= BIT(mvif->idx);
phy->omac_mask |= BIT(mvif->omac_idx);
idx = MT7915_WTBL_RESERVED - mvif->idx;
INIT_LIST_HEAD(&mvif->sta.rc_list);
INIT_LIST_HEAD(&mvif->sta.stats_list);
INIT_LIST_HEAD(&mvif->sta.poll_list);
mvif->sta.wcid.idx = idx;
mvif->sta.wcid.ext_phy = mvif->band_idx;
mvif->sta.wcid.hw_key_idx = -1;
mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET;
mt7915_mac_wtbl_update(dev, idx,
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
if (vif->txq) {
mtxq = (struct mt76_txq *)vif->txq->drv_priv;
mtxq->wcid = &mvif->sta.wcid;
}
out:
mutex_unlock(&dev->mt76.mutex);
return ret;
}
static void mt7915_remove_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct mt7915_sta *msta = &mvif->sta;
struct mt7915_dev *dev = mt7915_hw_dev(hw);
struct mt7915_phy *phy = mt7915_hw_phy(hw);
int idx = msta->wcid.idx;
/* TODO: disable beacon for the bss */
mt7915_mcu_add_dev_info(dev, vif, false);
rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
mutex_lock(&dev->mt76.mutex);
phy->mt76->vif_mask &= ~BIT(mvif->idx);
phy->omac_mask &= ~BIT(mvif->omac_idx);
mutex_unlock(&dev->mt76.mutex);
spin_lock_bh(&dev->sta_poll_lock);
if (!list_empty(&msta->poll_list))
list_del_init(&msta->poll_list);
spin_unlock_bh(&dev->sta_poll_lock);
}
static void mt7915_init_dfs_state(struct mt7915_phy *phy)
{
struct mt76_phy *mphy = phy->mt76;
struct ieee80211_hw *hw = mphy->hw;
struct cfg80211_chan_def *chandef = &hw->conf.chandef;
if (hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)
return;
if (!(chandef->chan->flags & IEEE80211_CHAN_RADAR))
return;
if (mphy->chandef.chan->center_freq == chandef->chan->center_freq &&
mphy->chandef.width == chandef->width)
return;
phy->dfs_state = -1;
}
static int mt7915_set_channel(struct mt7915_phy *phy)
{
struct mt7915_dev *dev = phy->dev;
int ret;
cancel_delayed_work_sync(&phy->mac_work);
mutex_lock(&dev->mt76.mutex);
set_bit(MT76_RESET, &phy->mt76->state);
mt7915_init_dfs_state(phy);
mt76_set_channel(phy->mt76);
ret = mt7915_mcu_set_chan_info(phy, MCU_EXT_CMD_CHANNEL_SWITCH);
if (ret)
goto out;
mt7915_mac_set_timing(phy);
ret = mt7915_dfs_init_radar_detector(phy);
mt7915_mac_cca_stats_reset(phy);
mt7915_mac_reset_counters(phy);
phy->noise = 0;
out:
clear_bit(MT76_RESET, &phy->mt76->state);
mutex_unlock(&dev->mt76.mutex);
mt76_txq_schedule_all(phy->mt76);
ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mac_work,
MT7915_WATCHDOG_TIME);
return ret;
}
static int mt7915_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 mt7915_dev *dev = mt7915_hw_dev(hw);
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct mt7915_sta *msta = sta ? (struct mt7915_sta *)sta->drv_priv :
&mvif->sta;
struct mt76_wcid *wcid = &msta->wcid;
int idx = key->keyidx;
/* 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;
/* fall back to sw encryption for unsupported ciphers */
switch (key->cipher) {
case WLAN_CIPHER_SUITE_AES_CMAC:
key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
break;
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_WEP104:
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) {
key->hw_key_idx = wcid->idx;
wcid->hw_key_idx = idx;
} else if (idx == wcid->hw_key_idx) {
wcid->hw_key_idx = -1;
}
mt76_wcid_key_setup(&dev->mt76, wcid,
cmd == SET_KEY ? key : NULL);
return mt7915_mcu_add_key(dev, vif, msta, key, cmd);
}
static int mt7915_config(struct ieee80211_hw *hw, u32 changed)
{
struct mt7915_dev *dev = mt7915_hw_dev(hw);
struct mt7915_phy *phy = mt7915_hw_phy(hw);
bool band = phy != &dev->phy;
int ret;
if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
ieee80211_stop_queues(hw);
ret = mt7915_set_channel(phy);
if (ret)
return ret;
ieee80211_wake_queues(hw);
}
if (changed & IEEE80211_CONF_CHANGE_POWER) {
ret = mt7915_mcu_set_sku(phy);
if (ret)
return ret;
}
mutex_lock(&dev->mt76.mutex);
if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))
phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC;
else
phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC;
mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
}
mutex_unlock(&dev->mt76.mutex);
return 0;
}
static int
mt7915_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
const struct ieee80211_tx_queue_params *params)
{
struct mt7915_dev *dev = mt7915_hw_dev(hw);
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
/* no need to update right away, we'll get BSS_CHANGED_QOS */
queue = mt7915_lmac_mapping(dev, queue);
mvif->queue_params[queue] = *params;
return 0;
}
static void mt7915_configure_filter(struct ieee80211_hw *hw,
unsigned int changed_flags,
unsigned int *total_flags,
u64 multicast)
{
struct mt7915_dev *dev = mt7915_hw_dev(hw);
struct mt7915_phy *phy = mt7915_hw_phy(hw);
bool band = phy != &dev->phy;
u32 ctl_flags = MT_WF_RFCR1_DROP_ACK |
MT_WF_RFCR1_DROP_BF_POLL |
MT_WF_RFCR1_DROP_BA |
MT_WF_RFCR1_DROP_CFEND |
MT_WF_RFCR1_DROP_CFACK;
u32 flags = 0;
#define MT76_FILTER(_flag, _hw) do { \
flags |= *total_flags & FIF_##_flag; \
phy->rxfilter &= ~(_hw); \
phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \
} while (0)
phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
MT_WF_RFCR_DROP_OTHER_BEACON |
MT_WF_RFCR_DROP_FRAME_REPORT |
MT_WF_RFCR_DROP_PROBEREQ |
MT_WF_RFCR_DROP_MCAST_FILTERED |
MT_WF_RFCR_DROP_MCAST |
MT_WF_RFCR_DROP_BCAST |
MT_WF_RFCR_DROP_DUPLICATE |
MT_WF_RFCR_DROP_A2_BSSID |
MT_WF_RFCR_DROP_UNWANTED_CTL |
MT_WF_RFCR_DROP_STBC_MULTI);
MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM |
MT_WF_RFCR_DROP_A3_MAC |
MT_WF_RFCR_DROP_A3_BSSID);
MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL);
MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS |
MT_WF_RFCR_DROP_RTS |
MT_WF_RFCR_DROP_CTL_RSV |
MT_WF_RFCR_DROP_NDPA);
*total_flags = flags;
mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
if (*total_flags & FIF_CONTROL)
mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags);
else
mt76_set(dev, MT_WF_RFCR1(band), ctl_flags);
}
static void mt7915_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *info,
u32 changed)
{
struct mt7915_phy *phy = mt7915_hw_phy(hw);
struct mt7915_dev *dev = mt7915_hw_dev(hw);
mutex_lock(&dev->mt76.mutex);
/*
* station mode uses BSSID to map the wlan entry to a peer,
* and then peer references bss_info_rfch to set bandwidth cap.
*/
if (changed & BSS_CHANGED_BSSID &&
vif->type == NL80211_IFTYPE_STATION) {
bool join = !is_zero_ether_addr(info->bssid);
mt7915_mcu_add_bss_info(phy, vif, join);
mt7915_mcu_add_sta(dev, vif, NULL, join);
}
if (changed & BSS_CHANGED_ASSOC) {
mt7915_mcu_add_bss_info(phy, vif, info->assoc);
mt7915_mcu_add_obss_spr(dev, vif, info->he_obss_pd.enable);
}
if (changed & BSS_CHANGED_ERP_SLOT) {
int slottime = info->use_short_slot ? 9 : 20;
if (slottime != phy->slottime) {
phy->slottime = slottime;
mt7915_mac_set_timing(phy);
}
}
if (changed & BSS_CHANGED_BEACON_ENABLED) {
mt7915_mcu_add_bss_info(phy, vif, info->enable_beacon);
mt7915_mcu_add_sta(dev, vif, NULL, info->enable_beacon);
}
/* ensure that enable txcmd_mode after bss_info */
if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED))
mt7915_mcu_set_tx(dev, vif);
if (changed & BSS_CHANGED_HE_OBSS_PD)
mt7915_mcu_add_obss_spr(dev, vif, info->he_obss_pd.enable);
if (changed & (BSS_CHANGED_BEACON |
BSS_CHANGED_BEACON_ENABLED))
mt7915_mcu_add_beacon(hw, vif, info->enable_beacon);
mutex_unlock(&dev->mt76.mutex);
}
static void
mt7915_channel_switch_beacon(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct cfg80211_chan_def *chandef)
{
struct mt7915_dev *dev = mt7915_hw_dev(hw);
mutex_lock(&dev->mt76.mutex);
mt7915_mcu_add_beacon(hw, vif, true);
mutex_unlock(&dev->mt76.mutex);
}
int mt7915_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
int ret, idx;
idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7915_WTBL_STA - 1);
if (idx < 0)
return -ENOSPC;
INIT_LIST_HEAD(&msta->rc_list);
INIT_LIST_HEAD(&msta->stats_list);
INIT_LIST_HEAD(&msta->poll_list);
msta->vif = mvif;
msta->wcid.sta = 1;
msta->wcid.idx = idx;
msta->wcid.ext_phy = mvif->band_idx;
msta->wcid.tx_info |= MT_WCID_TX_INFO_SET;
msta->stats.jiffies = jiffies;
mt7915_mac_wtbl_update(dev, idx,
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
ret = mt7915_mcu_add_sta(dev, vif, sta, true);
if (ret)
return ret;
return mt7915_mcu_add_sta_adv(dev, vif, sta, true);
}
void mt7915_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
mt7915_mcu_add_sta_adv(dev, vif, sta, false);
mt7915_mcu_add_sta(dev, vif, sta, false);
mt7915_mac_wtbl_update(dev, msta->wcid.idx,
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
spin_lock_bh(&dev->sta_poll_lock);
if (!list_empty(&msta->poll_list))
list_del_init(&msta->poll_list);
if (!list_empty(&msta->stats_list))
list_del_init(&msta->stats_list);
if (!list_empty(&msta->rc_list))
list_del_init(&msta->rc_list);
spin_unlock_bh(&dev->sta_poll_lock);
}
static void mt7915_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct mt7915_dev *dev = mt7915_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;
if (control->sta) {
struct mt7915_sta *sta;
sta = (struct mt7915_sta *)control->sta->drv_priv;
wcid = &sta->wcid;
}
if (vif && !control->sta) {
struct mt7915_vif *mvif;
mvif = (struct mt7915_vif *)vif->drv_priv;
wcid = &mvif->sta.wcid;
}
mt76_tx(mphy, control->sta, wcid, skb);
}
static int mt7915_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
{
struct mt7915_dev *dev = mt7915_hw_dev(hw);
struct mt7915_phy *phy = mt7915_hw_phy(hw);
mutex_lock(&dev->mt76.mutex);
mt7915_mcu_set_rts_thresh(phy, val);
mutex_unlock(&dev->mt76.mutex);
return 0;
}
static int
mt7915_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_ampdu_params *params)
{
enum ieee80211_ampdu_mlme_action action = params->action;
struct mt7915_dev *dev = mt7915_hw_dev(hw);
struct ieee80211_sta *sta = params->sta;
struct ieee80211_txq *txq = sta->txq[params->tid];
struct mt7915_sta *msta = (struct mt7915_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;
mutex_lock(&dev->mt76.mutex);
switch (action) {
case IEEE80211_AMPDU_RX_START:
mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
params->buf_size);
mt7915_mcu_add_rx_ba(dev, params, true);
break;
case IEEE80211_AMPDU_RX_STOP:
mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
mt7915_mcu_add_rx_ba(dev, params, false);
break;
case IEEE80211_AMPDU_TX_OPERATIONAL:
mtxq->aggr = true;
mtxq->send_bar = false;
mt7915_mcu_add_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->ampdu_state);
mt7915_mcu_add_tx_ba(dev, params, false);
break;
case IEEE80211_AMPDU_TX_START:
set_bit(tid, &msta->ampdu_state);
ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
break;
case IEEE80211_AMPDU_TX_STOP_CONT:
mtxq->aggr = false;
clear_bit(tid, &msta->ampdu_state);
mt7915_mcu_add_tx_ba(dev, params, false);
ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
break;
}
mutex_unlock(&dev->mt76.mutex);
return ret;
}
static int
mt7915_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST,
IEEE80211_STA_NONE);
}
static int
mt7915_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE,
IEEE80211_STA_NOTEXIST);
}
static int
mt7915_get_stats(struct ieee80211_hw *hw,
struct ieee80211_low_level_stats *stats)
{
struct mt7915_phy *phy = mt7915_hw_phy(hw);
struct mib_stats *mib = &phy->mib;
stats->dot11RTSSuccessCount = mib->rts_cnt;
stats->dot11RTSFailureCount = mib->rts_retries_cnt;
stats->dot11FCSErrorCount = mib->fcs_err_cnt;
stats->dot11ACKFailureCount = mib->ack_fail_cnt;
return 0;
}
static u64
mt7915_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct mt7915_dev *dev = mt7915_hw_dev(hw);
struct mt7915_phy *phy = mt7915_hw_phy(hw);
bool band = phy != &dev->phy;
union {
u64 t64;
u32 t32[2];
} tsf;
u16 n;
mutex_lock(&dev->mt76.mutex);
n = mvif->omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : mvif->omac_idx;
/* TSF software read */
mt76_set(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE);
tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(band));
tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(band));
mutex_unlock(&dev->mt76.mutex);
return tsf.t64;
}
static void
mt7915_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
u64 timestamp)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct mt7915_dev *dev = mt7915_hw_dev(hw);
struct mt7915_phy *phy = mt7915_hw_phy(hw);
bool band = phy != &dev->phy;
union {
u64 t64;
u32 t32[2];
} tsf = { .t64 = timestamp, };
u16 n;
mutex_lock(&dev->mt76.mutex);
n = mvif->omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : mvif->omac_idx;
mt76_wr(dev, MT_LPON_UTTR0(band), tsf.t32[0]);
mt76_wr(dev, MT_LPON_UTTR1(band), tsf.t32[1]);
/* TSF software overwrite */
mt76_set(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_WRITE);
mutex_unlock(&dev->mt76.mutex);
}
static void
mt7915_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
{
struct mt7915_phy *phy = mt7915_hw_phy(hw);
struct mt7915_dev *dev = phy->dev;
mutex_lock(&dev->mt76.mutex);
phy->coverage_class = max_t(s16, coverage_class, 0);
mt7915_mac_set_timing(phy);
mutex_unlock(&dev->mt76.mutex);
}
static int
mt7915_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
{
struct mt7915_dev *dev = mt7915_hw_dev(hw);
struct mt7915_phy *phy = mt7915_hw_phy(hw);
int max_nss = hweight8(hw->wiphy->available_antennas_tx);
bool ext_phy = phy != &dev->phy;
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;
mutex_lock(&dev->mt76.mutex);
phy->mt76->antenna_mask = tx_ant;
if (ext_phy) {
if (dev->chainmask == 0xf)
tx_ant <<= 2;
else
tx_ant <<= 1;
}
phy->chainmask = tx_ant;
mt76_set_stream_caps(phy->mt76, true);
mt7915_set_stream_vht_txbf_caps(phy);
mt7915_set_stream_he_caps(phy);
mutex_unlock(&dev->mt76.mutex);
return 0;
}
static void mt7915_sta_statistics(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct station_info *sinfo)
{
struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
struct mt7915_sta_stats *stats = &msta->stats;
if (!stats->tx_rate.legacy && !stats->tx_rate.flags)
return;
if (stats->tx_rate.legacy) {
sinfo->txrate.legacy = stats->tx_rate.legacy;
} else {
sinfo->txrate.mcs = stats->tx_rate.mcs;
sinfo->txrate.nss = stats->tx_rate.nss;
sinfo->txrate.bw = stats->tx_rate.bw;
sinfo->txrate.he_gi = stats->tx_rate.he_gi;
sinfo->txrate.he_dcm = stats->tx_rate.he_dcm;
sinfo->txrate.he_ru_alloc = stats->tx_rate.he_ru_alloc;
}
sinfo->txrate.flags = stats->tx_rate.flags;
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
}
static void
mt7915_sta_rc_update(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
u32 changed)
{
struct mt7915_dev *dev = mt7915_hw_dev(hw);
struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
spin_lock_bh(&dev->sta_poll_lock);
msta->stats.changed |= changed;
if (list_empty(&msta->rc_list))
list_add_tail(&msta->rc_list, &dev->sta_rc_list);
spin_unlock_bh(&dev->sta_poll_lock);
ieee80211_queue_work(hw, &dev->rc_work);
}
const struct ieee80211_ops mt7915_ops = {
.tx = mt7915_tx,
.start = mt7915_start,
.stop = mt7915_stop,
.add_interface = mt7915_add_interface,
.remove_interface = mt7915_remove_interface,
.config = mt7915_config,
.conf_tx = mt7915_conf_tx,
.configure_filter = mt7915_configure_filter,
.bss_info_changed = mt7915_bss_info_changed,
.sta_add = mt7915_sta_add,
.sta_remove = mt7915_sta_remove,
.sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
.sta_rc_update = mt7915_sta_rc_update,
.set_key = mt7915_set_key,
.ampdu_action = mt7915_ampdu_action,
.set_rts_threshold = mt7915_set_rts_threshold,
.wake_tx_queue = mt76_wake_tx_queue,
.sw_scan_start = mt76_sw_scan,
.sw_scan_complete = mt76_sw_scan_complete,
.release_buffered_frames = mt76_release_buffered_frames,
.get_txpower = mt76_get_txpower,
.channel_switch_beacon = mt7915_channel_switch_beacon,
.get_stats = mt7915_get_stats,
.get_tsf = mt7915_get_tsf,
.set_tsf = mt7915_set_tsf,
.get_survey = mt76_get_survey,
.get_antenna = mt76_get_antenna,
.set_antenna = mt7915_set_antenna,
.set_coverage_class = mt7915_set_coverage_class,
.sta_statistics = mt7915_sta_statistics,
#ifdef CONFIG_MAC80211_DEBUGFS
.sta_add_debugfs = mt7915_sta_add_debugfs,
#endif
};