blob: c26f99b368d934b974780db87e8fa8aaf8a98865 [file] [log] [blame]
// SPDX-License-Identifier: ISC
/* Copyright (C) 2019 MediaTek Inc.
*
* Author: Roy Luo <royluo@google.com>
* Ryder Lee <ryder.lee@mediatek.com>
* Felix Fietkau <nbd@nbd.name>
* Lorenzo Bianconi <lorenzo@kernel.org>
*/
#include <linux/etherdevice.h>
#include <linux/module.h>
#include "mt7615.h"
#include "mcu.h"
static bool mt7615_dev_running(struct mt7615_dev *dev)
{
struct mt7615_phy *phy;
if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
return true;
phy = mt7615_ext_phy(dev);
return phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state);
}
static int mt7615_start(struct ieee80211_hw *hw)
{
struct mt7615_dev *dev = mt7615_hw_dev(hw);
struct mt7615_phy *phy = mt7615_hw_phy(hw);
bool running;
if (!mt7615_wait_for_mcu_init(dev))
return -EIO;
mutex_lock(&dev->mt76.mutex);
running = mt7615_dev_running(dev);
if (!running) {
mt7615_mcu_set_pm(dev, 0, 0);
mt7615_mcu_set_mac_enable(dev, 0, true);
mt7615_mac_enable_nf(dev, 0);
}
if (phy != &dev->phy) {
mt7615_mcu_set_pm(dev, 1, 0);
mt7615_mcu_set_mac_enable(dev, 1, true);
mt7615_mac_enable_nf(dev, 1);
}
mt7615_mcu_set_channel_domain(phy);
mt7615_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,
MT7615_WATCHDOG_TIME);
if (!running)
mt7615_mac_reset_counters(dev);
mutex_unlock(&dev->mt76.mutex);
return 0;
}
static void mt7615_stop(struct ieee80211_hw *hw)
{
struct mt7615_dev *dev = mt7615_hw_dev(hw);
struct mt7615_phy *phy = mt7615_hw_phy(hw);
cancel_delayed_work_sync(&phy->mac_work);
del_timer_sync(&phy->roc_timer);
cancel_work_sync(&phy->roc_work);
mutex_lock(&dev->mt76.mutex);
clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
cancel_delayed_work_sync(&phy->scan_work);
if (phy != &dev->phy) {
mt7615_mcu_set_pm(dev, 1, 1);
mt7615_mcu_set_mac_enable(dev, 1, false);
}
if (!mt7615_dev_running(dev)) {
mt7615_mcu_set_pm(dev, 0, 1);
mt7615_mcu_set_mac_enable(dev, 0, 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:
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_ADHOC:
/* ap use 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_STATION:
/* sta use 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 mt7615_add_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
struct mt7615_dev *dev = mt7615_hw_dev(hw);
struct mt7615_phy *phy = mt7615_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(~dev->vif_mask) - 1;
if (mvif->idx >= MT7615_MAX_INTERFACES) {
ret = -ENOSPC;
goto out;
}
idx = get_omac_idx(vif->type, dev->omac_mask);
if (idx < 0) {
ret = -ENOSPC;
goto out;
}
mvif->omac_idx = idx;
mvif->band_idx = ext_phy;
if (mt7615_ext_phy(dev))
mvif->wmm_idx = ext_phy * (MT7615_MAX_WMM_SETS / 2) +
mvif->idx % (MT7615_MAX_WMM_SETS / 2);
else
mvif->wmm_idx = mvif->idx % MT7615_MAX_WMM_SETS;
dev->vif_mask |= BIT(mvif->idx);
dev->omac_mask |= BIT(mvif->omac_idx);
phy->omac_mask |= BIT(mvif->omac_idx);
mt7615_mcu_set_dbdc(dev);
idx = MT7615_WTBL_RESERVED - mvif->idx;
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;
mt7615_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;
mt76_txq_init(&dev->mt76, vif->txq);
}
ret = mt7615_mcu_add_dev_info(dev, vif, true);
out:
mutex_unlock(&dev->mt76.mutex);
return ret;
}
static void mt7615_remove_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
struct mt7615_sta *msta = &mvif->sta;
struct mt7615_dev *dev = mt7615_hw_dev(hw);
struct mt7615_phy *phy = mt7615_hw_phy(hw);
int idx = msta->wcid.idx;
/* TODO: disable beacon for the bss */
mt7615_mcu_add_dev_info(dev, vif, false);
rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
if (vif->txq)
mt76_txq_remove(&dev->mt76, vif->txq);
mutex_lock(&dev->mt76.mutex);
dev->vif_mask &= ~BIT(mvif->idx);
dev->omac_mask &= ~BIT(mvif->omac_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 mt7615_init_dfs_state(struct mt7615_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 mt7615_set_channel(struct mt7615_phy *phy)
{
struct mt7615_dev *dev = phy->dev;
bool ext_phy = phy != &dev->phy;
int ret;
cancel_delayed_work_sync(&phy->mac_work);
mutex_lock(&dev->mt76.mutex);
set_bit(MT76_RESET, &phy->mt76->state);
mt7615_init_dfs_state(phy);
mt76_set_channel(phy->mt76);
if (is_mt7615(&dev->mt76) && dev->flash_eeprom) {
mt7615_mcu_apply_rx_dcoc(phy);
mt7615_mcu_apply_tx_dpd(phy);
}
ret = mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD_CHANNEL_SWITCH);
if (ret)
goto out;
mt7615_mac_set_timing(phy);
ret = mt7615_dfs_init_radar_detector(phy);
mt7615_mac_cca_stats_reset(phy);
mt7615_mcu_set_sku_en(phy, true);
mt7615_mac_reset_counters(dev);
phy->noise = 0;
phy->chfreq = mt76_rr(dev, MT_CHFREQ(ext_phy));
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,
MT7615_WATCHDOG_TIME);
return ret;
}
static int
mt7615_queue_key_update(struct mt7615_dev *dev, enum set_key_cmd cmd,
struct mt7615_sta *msta,
struct ieee80211_key_conf *key)
{
struct mt7615_wtbl_desc *wd;
wd = kzalloc(sizeof(*wd), GFP_KERNEL);
if (!wd)
return -ENOMEM;
wd->type = MT7615_WTBL_KEY_DESC;
wd->sta = msta;
wd->key.key = kmemdup(key->key, key->keylen, GFP_KERNEL);
if (!wd->key.key) {
kfree(wd);
return -ENOMEM;
}
wd->key.cipher = key->cipher;
wd->key.keyidx = key->keyidx;
wd->key.keylen = key->keylen;
wd->key.cmd = cmd;
list_add_tail(&wd->node, &dev->wd_head);
queue_work(dev->mt76.usb.wq, &dev->wtbl_work);
return 0;
}
static int mt7615_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 mt7615_dev *dev = mt7615_hw_dev(hw);
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
struct mt7615_sta *msta = sta ? (struct mt7615_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);
if (mt76_is_usb(&dev->mt76))
return mt7615_queue_key_update(dev, cmd, msta, key);
return mt7615_mac_wtbl_set_key(dev, wcid, key, cmd);
}
static int mt7615_config(struct ieee80211_hw *hw, u32 changed)
{
struct mt7615_dev *dev = mt7615_hw_dev(hw);
struct mt7615_phy *phy = mt7615_hw_phy(hw);
bool band = phy != &dev->phy;
int ret = 0;
if (changed & (IEEE80211_CONF_CHANGE_CHANNEL |
IEEE80211_CONF_CHANGE_POWER)) {
ieee80211_stop_queues(hw);
ret = mt7615_set_channel(phy);
ieee80211_wake_queues(hw);
}
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 ret;
}
static int
mt7615_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
const struct ieee80211_tx_queue_params *params)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
struct mt7615_dev *dev = mt7615_hw_dev(hw);
queue += mvif->wmm_idx * MT7615_MAX_WMM_SETS;
return mt7615_mcu_set_wmm(dev, queue, params);
}
static void mt7615_configure_filter(struct ieee80211_hw *hw,
unsigned int changed_flags,
unsigned int *total_flags,
u64 multicast)
{
struct mt7615_dev *dev = mt7615_hw_dev(hw);
struct mt7615_phy *phy = mt7615_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 mt7615_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *info,
u32 changed)
{
struct mt7615_dev *dev = mt7615_hw_dev(hw);
struct mt7615_phy *phy = mt7615_hw_phy(hw);
mutex_lock(&dev->mt76.mutex);
if (changed & BSS_CHANGED_ERP_SLOT) {
int slottime = info->use_short_slot ? 9 : 20;
if (slottime != phy->slottime) {
phy->slottime = slottime;
mt7615_mac_set_timing(phy);
}
}
if (changed & BSS_CHANGED_BEACON_ENABLED) {
mt7615_mcu_add_bss_info(phy, vif, NULL, info->enable_beacon);
mt7615_mcu_sta_add(dev, vif, NULL, info->enable_beacon);
if (vif->p2p && info->enable_beacon)
mt7615_mcu_set_p2p_oppps(hw, vif);
}
if (changed & (BSS_CHANGED_BEACON |
BSS_CHANGED_BEACON_ENABLED))
mt7615_mcu_add_beacon(dev, hw, vif, info->enable_beacon);
if (changed & BSS_CHANGED_PS)
mt7615_mcu_set_vif_ps(dev, vif);
mutex_unlock(&dev->mt76.mutex);
}
static void
mt7615_channel_switch_beacon(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct cfg80211_chan_def *chandef)
{
struct mt7615_dev *dev = mt7615_hw_dev(hw);
mutex_lock(&dev->mt76.mutex);
mt7615_mcu_add_beacon(dev, hw, vif, true);
mutex_unlock(&dev->mt76.mutex);
}
int mt7615_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
int idx;
idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7615_WTBL_STA - 1);
if (idx < 0)
return -ENOSPC;
INIT_LIST_HEAD(&msta->poll_list);
msta->vif = mvif;
msta->wcid.sta = 1;
msta->wcid.idx = idx;
msta->wcid.ext_phy = mvif->band_idx;
if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) {
struct mt7615_phy *phy;
phy = mvif->band_idx ? mt7615_ext_phy(dev) : &dev->phy;
mt7615_mcu_add_bss_info(phy, vif, sta, true);
}
mt7615_mac_wtbl_update(dev, idx,
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
mt7615_mcu_sta_add(dev, vif, sta, true);
return 0;
}
EXPORT_SYMBOL_GPL(mt7615_mac_sta_add);
void mt7615_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
mt7615_mcu_sta_add(dev, vif, sta, false);
mt7615_mac_wtbl_update(dev, msta->wcid.idx,
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) {
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
struct mt7615_phy *phy;
phy = mvif->band_idx ? mt7615_ext_phy(dev) : &dev->phy;
mt7615_mcu_add_bss_info(phy, vif, sta, false);
}
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);
}
EXPORT_SYMBOL_GPL(mt7615_mac_sta_remove);
static void mt7615_sta_rate_tbl_update(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct mt7615_dev *dev = mt7615_hw_dev(hw);
struct mt7615_phy *phy = mt7615_hw_phy(hw);
struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
struct ieee80211_sta_rates *sta_rates = rcu_dereference(sta->rates);
int i;
spin_lock_bh(&dev->mt76.lock);
for (i = 0; i < ARRAY_SIZE(msta->rates); i++) {
msta->rates[i].idx = sta_rates->rate[i].idx;
msta->rates[i].count = sta_rates->rate[i].count;
msta->rates[i].flags = sta_rates->rate[i].flags;
if (msta->rates[i].idx < 0 || !msta->rates[i].count)
break;
}
msta->n_rates = i;
mt7615_mac_set_rates(phy, msta, NULL, msta->rates);
msta->rate_probe = false;
spin_unlock_bh(&dev->mt76.lock);
}
static void mt7615_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct mt7615_dev *dev = mt7615_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 mt7615_sta *sta;
sta = (struct mt7615_sta *)control->sta->drv_priv;
wcid = &sta->wcid;
}
if (vif && !control->sta) {
struct mt7615_vif *mvif;
mvif = (struct mt7615_vif *)vif->drv_priv;
wcid = &mvif->sta.wcid;
}
mt76_tx(mphy, control->sta, wcid, skb);
}
static int mt7615_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
{
struct mt7615_dev *dev = mt7615_hw_dev(hw);
struct mt7615_phy *phy = mt7615_hw_phy(hw);
mutex_lock(&dev->mt76.mutex);
mt7615_mcu_set_rts_thresh(phy, val);
mutex_unlock(&dev->mt76.mutex);
return 0;
}
static int
mt7615_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_ampdu_params *params)
{
enum ieee80211_ampdu_mlme_action action = params->action;
struct mt7615_dev *dev = mt7615_hw_dev(hw);
struct ieee80211_sta *sta = params->sta;
struct ieee80211_txq *txq = sta->txq[params->tid];
struct mt7615_sta *msta = (struct mt7615_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);
mt7615_mcu_add_rx_ba(dev, params, true);
break;
case IEEE80211_AMPDU_RX_STOP:
mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
mt7615_mcu_add_rx_ba(dev, params, false);
break;
case IEEE80211_AMPDU_TX_OPERATIONAL:
mtxq->aggr = true;
mtxq->send_bar = false;
mt7615_mcu_add_tx_ba(dev, params, true);
break;
case IEEE80211_AMPDU_TX_STOP_FLUSH:
case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
mtxq->aggr = false;
mt7615_mcu_add_tx_ba(dev, params, false);
break;
case IEEE80211_AMPDU_TX_START:
mtxq->agg_ssn = IEEE80211_SN_TO_SEQ(ssn);
ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
break;
case IEEE80211_AMPDU_TX_STOP_CONT:
mtxq->aggr = false;
mt7615_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
mt7615_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
mt7615_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
mt7615_get_stats(struct ieee80211_hw *hw,
struct ieee80211_low_level_stats *stats)
{
struct mt7615_phy *phy = mt7615_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
mt7615_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
{
struct mt7615_dev *dev = mt7615_hw_dev(hw);
union {
u64 t64;
u32 t32[2];
} tsf;
mutex_lock(&dev->mt76.mutex);
mt76_set(dev, MT_LPON_T0CR, MT_LPON_T0CR_MODE); /* TSF read */
tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0);
tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1);
mutex_unlock(&dev->mt76.mutex);
return tsf.t64;
}
static void
mt7615_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
{
struct mt7615_phy *phy = mt7615_hw_phy(hw);
phy->coverage_class = max_t(s16, coverage_class, 0);
mt7615_mac_set_timing(phy);
}
static int
mt7615_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
{
struct mt7615_dev *dev = mt7615_hw_dev(hw);
struct mt7615_phy *phy = mt7615_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);
mutex_unlock(&dev->mt76.mutex);
return 0;
}
static void mt7615_roc_iter(void *priv, u8 *mac,
struct ieee80211_vif *vif)
{
struct mt7615_phy *phy = priv;
mt7615_mcu_set_roc(phy, vif, NULL, 0);
}
void mt7615_roc_work(struct work_struct *work)
{
struct mt7615_phy *phy;
phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy,
roc_work);
if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
return;
ieee80211_iterate_active_interfaces(phy->mt76->hw,
IEEE80211_IFACE_ITER_RESUME_ALL,
mt7615_roc_iter, phy);
ieee80211_remain_on_channel_expired(phy->mt76->hw);
}
void mt7615_roc_timer(struct timer_list *timer)
{
struct mt7615_phy *phy = from_timer(phy, timer, roc_timer);
ieee80211_queue_work(phy->mt76->hw, &phy->roc_work);
}
void mt7615_scan_work(struct work_struct *work)
{
struct mt7615_phy *phy;
phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy,
scan_work.work);
while (true) {
struct mt7615_mcu_rxd *rxd;
struct sk_buff *skb;
spin_lock_bh(&phy->dev->mt76.lock);
skb = __skb_dequeue(&phy->scan_event_list);
spin_unlock_bh(&phy->dev->mt76.lock);
if (!skb)
break;
rxd = (struct mt7615_mcu_rxd *)skb->data;
if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) {
ieee80211_sched_scan_results(phy->mt76->hw);
} else if (test_and_clear_bit(MT76_HW_SCANNING,
&phy->mt76->state)) {
struct cfg80211_scan_info info = {
.aborted = false,
};
ieee80211_scan_completed(phy->mt76->hw, &info);
}
dev_kfree_skb(skb);
}
}
static int
mt7615_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_scan_request *req)
{
struct mt76_phy *mphy = hw->priv;
return mt7615_mcu_hw_scan(mphy->priv, vif, req);
}
static void
mt7615_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
{
struct mt76_phy *mphy = hw->priv;
mt7615_mcu_cancel_hw_scan(mphy->priv, vif);
}
static int
mt7615_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct cfg80211_sched_scan_request *req,
struct ieee80211_scan_ies *ies)
{
struct mt76_phy *mphy = hw->priv;
int err;
err = mt7615_mcu_sched_scan_req(mphy->priv, vif, req);
if (err < 0)
return err;
return mt7615_mcu_sched_scan_enable(mphy->priv, vif, true);
}
static int
mt7615_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
{
struct mt76_phy *mphy = hw->priv;
return mt7615_mcu_sched_scan_enable(mphy->priv, vif, false);
}
static int mt7615_remain_on_channel(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_channel *chan,
int duration,
enum ieee80211_roc_type type)
{
struct mt7615_phy *phy = mt7615_hw_phy(hw);
int err;
if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state))
return 0;
err = mt7615_mcu_set_roc(phy, vif, chan, duration);
if (err < 0) {
clear_bit(MT76_STATE_ROC, &phy->mt76->state);
return err;
}
if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) {
mt7615_mcu_set_roc(phy, vif, NULL, 0);
clear_bit(MT76_STATE_ROC, &phy->mt76->state);
return -ETIMEDOUT;
}
return 0;
}
static int mt7615_cancel_remain_on_channel(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct mt7615_phy *phy = mt7615_hw_phy(hw);
if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
return 0;
del_timer_sync(&phy->roc_timer);
cancel_work_sync(&phy->roc_work);
mt7615_mcu_set_roc(phy, vif, NULL, 0);
return 0;
}
#ifdef CONFIG_PM
static int mt7615_suspend(struct ieee80211_hw *hw,
struct cfg80211_wowlan *wowlan)
{
struct mt7615_dev *dev = mt7615_hw_dev(hw);
struct mt7615_phy *phy = mt7615_hw_phy(hw);
bool ext_phy = phy != &dev->phy;
int err = 0;
mutex_lock(&dev->mt76.mutex);
clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
cancel_delayed_work_sync(&phy->scan_work);
cancel_delayed_work_sync(&phy->mac_work);
mt76_set(dev, MT_WF_RFCR(ext_phy), MT_WF_RFCR_DROP_OTHER_BEACON);
set_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
ieee80211_iterate_active_interfaces(hw,
IEEE80211_IFACE_ITER_RESUME_ALL,
mt7615_mcu_set_suspend_iter, phy);
if (!mt7615_dev_running(dev))
err = mt7615_mcu_set_hif_suspend(dev, true);
mutex_unlock(&dev->mt76.mutex);
return err;
}
static int mt7615_resume(struct ieee80211_hw *hw)
{
struct mt7615_dev *dev = mt7615_hw_dev(hw);
struct mt7615_phy *phy = mt7615_hw_phy(hw);
bool running, ext_phy = phy != &dev->phy;
mutex_lock(&dev->mt76.mutex);
running = mt7615_dev_running(dev);
set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
if (!running) {
int err;
err = mt7615_mcu_set_hif_suspend(dev, false);
if (err < 0) {
mutex_unlock(&dev->mt76.mutex);
return err;
}
}
clear_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
ieee80211_iterate_active_interfaces(hw,
IEEE80211_IFACE_ITER_RESUME_ALL,
mt7615_mcu_set_suspend_iter, phy);
ieee80211_queue_delayed_work(hw, &phy->mac_work,
MT7615_WATCHDOG_TIME);
mt76_clear(dev, MT_WF_RFCR(ext_phy), MT_WF_RFCR_DROP_OTHER_BEACON);
mutex_unlock(&dev->mt76.mutex);
return 0;
}
static void mt7615_set_wakeup(struct ieee80211_hw *hw, bool enabled)
{
struct mt7615_dev *dev = mt7615_hw_dev(hw);
struct mt76_dev *mdev = &dev->mt76;
device_set_wakeup_enable(mdev->dev, enabled);
}
static void mt7615_set_rekey_data(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct cfg80211_gtk_rekey_data *data)
{
mt7615_mcu_update_gtk_rekey(hw, vif, data);
}
#endif /* CONFIG_PM */
const struct ieee80211_ops mt7615_ops = {
.tx = mt7615_tx,
.start = mt7615_start,
.stop = mt7615_stop,
.add_interface = mt7615_add_interface,
.remove_interface = mt7615_remove_interface,
.config = mt7615_config,
.conf_tx = mt7615_conf_tx,
.configure_filter = mt7615_configure_filter,
.bss_info_changed = mt7615_bss_info_changed,
.sta_add = mt7615_sta_add,
.sta_remove = mt7615_sta_remove,
.sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
.set_key = mt7615_set_key,
.ampdu_action = mt7615_ampdu_action,
.set_rts_threshold = mt7615_set_rts_threshold,
.wake_tx_queue = mt76_wake_tx_queue,
.sta_rate_tbl_update = mt7615_sta_rate_tbl_update,
.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 = mt7615_channel_switch_beacon,
.get_stats = mt7615_get_stats,
.get_tsf = mt7615_get_tsf,
.get_survey = mt76_get_survey,
.get_antenna = mt76_get_antenna,
.set_antenna = mt7615_set_antenna,
.set_coverage_class = mt7615_set_coverage_class,
.hw_scan = mt7615_hw_scan,
.cancel_hw_scan = mt7615_cancel_hw_scan,
.sched_scan_start = mt7615_start_sched_scan,
.sched_scan_stop = mt7615_stop_sched_scan,
.remain_on_channel = mt7615_remain_on_channel,
.cancel_remain_on_channel = mt7615_cancel_remain_on_channel,
#ifdef CONFIG_PM
.suspend = mt7615_suspend,
.resume = mt7615_resume,
.set_wakeup = mt7615_set_wakeup,
.set_rekey_data = mt7615_set_rekey_data,
#endif /* CONFIG_PM */
};
EXPORT_SYMBOL_GPL(mt7615_ops);
MODULE_LICENSE("Dual BSD/GPL");