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kernel/drivers/net/wireless/mediatek/mt76/mt76x02_util.c

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// SPDX-License-Identifier: ISC
/*
* Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl>
* Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
*/
#include <linux/module.h>
#include "mt76x02.h"
#define MT76x02_CCK_RATE(_idx, _rate) { \
.bitrate = _rate, \
.flags = IEEE80211_RATE_SHORT_PREAMBLE, \
.hw_value = (MT_PHY_TYPE_CCK << 8) | (_idx), \
.hw_value_short = (MT_PHY_TYPE_CCK << 8) | (8 + (_idx)), \
}
struct ieee80211_rate mt76x02_rates[] = {
MT76x02_CCK_RATE(0, 10),
MT76x02_CCK_RATE(1, 20),
MT76x02_CCK_RATE(2, 55),
MT76x02_CCK_RATE(3, 110),
OFDM_RATE(0, 60),
OFDM_RATE(1, 90),
OFDM_RATE(2, 120),
OFDM_RATE(3, 180),
OFDM_RATE(4, 240),
OFDM_RATE(5, 360),
OFDM_RATE(6, 480),
OFDM_RATE(7, 540),
};
EXPORT_SYMBOL_GPL(mt76x02_rates);
static const struct ieee80211_iface_limit mt76x02_if_limits[] = {
{
.max = 1,
.types = BIT(NL80211_IFTYPE_ADHOC)
}, {
.max = 8,
.types = BIT(NL80211_IFTYPE_STATION) |
#ifdef CONFIG_MAC80211_MESH
BIT(NL80211_IFTYPE_MESH_POINT) |
#endif
BIT(NL80211_IFTYPE_P2P_CLIENT) |
BIT(NL80211_IFTYPE_P2P_GO) |
BIT(NL80211_IFTYPE_AP)
},
};
static const struct ieee80211_iface_limit mt76x02u_if_limits[] = {
{
.max = 1,
.types = BIT(NL80211_IFTYPE_ADHOC)
}, {
.max = 2,
.types = BIT(NL80211_IFTYPE_STATION) |
#ifdef CONFIG_MAC80211_MESH
BIT(NL80211_IFTYPE_MESH_POINT) |
#endif
BIT(NL80211_IFTYPE_P2P_CLIENT) |
BIT(NL80211_IFTYPE_P2P_GO) |
BIT(NL80211_IFTYPE_AP)
},
};
static const struct ieee80211_iface_combination mt76x02_if_comb[] = {
{
.limits = mt76x02_if_limits,
.n_limits = ARRAY_SIZE(mt76x02_if_limits),
.max_interfaces = 8,
.num_different_channels = 1,
.beacon_int_infra_match = true,
.radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
BIT(NL80211_CHAN_WIDTH_20) |
BIT(NL80211_CHAN_WIDTH_40) |
BIT(NL80211_CHAN_WIDTH_80),
}
};
static const struct ieee80211_iface_combination mt76x02u_if_comb[] = {
{
.limits = mt76x02u_if_limits,
.n_limits = ARRAY_SIZE(mt76x02u_if_limits),
.max_interfaces = 2,
.num_different_channels = 1,
.beacon_int_infra_match = true,
}
};
static void
mt76x02_led_set_config(struct mt76_phy *mphy, u8 delay_on, u8 delay_off)
{
struct mt76x02_dev *dev = container_of(mphy->dev, struct mt76x02_dev,
mt76);
u32 val;
val = FIELD_PREP(MT_LED_STATUS_DURATION, 0xff) |
FIELD_PREP(MT_LED_STATUS_OFF, delay_off) |
FIELD_PREP(MT_LED_STATUS_ON, delay_on);
mt76_wr(dev, MT_LED_S0(mphy->leds.pin), val);
mt76_wr(dev, MT_LED_S1(mphy->leds.pin), val);
val = MT_LED_CTRL_REPLAY(mphy->leds.pin) |
MT_LED_CTRL_KICK(mphy->leds.pin);
if (mphy->leds.al)
val |= MT_LED_CTRL_POLARITY(mphy->leds.pin);
mt76_wr(dev, MT_LED_CTRL, val);
}
static int
mt76x02_led_set_blink(struct led_classdev *led_cdev,
unsigned long *delay_on,
unsigned long *delay_off)
{
struct mt76_phy *mphy = container_of(led_cdev, struct mt76_phy,
leds.cdev);
u8 delta_on, delta_off;
delta_off = max_t(u8, *delay_off / 10, 1);
delta_on = max_t(u8, *delay_on / 10, 1);
mt76x02_led_set_config(mphy, delta_on, delta_off);
return 0;
}
static void
mt76x02_led_set_brightness(struct led_classdev *led_cdev,
enum led_brightness brightness)
{
struct mt76_phy *mphy = container_of(led_cdev, struct mt76_phy,
leds.cdev);
if (!brightness)
mt76x02_led_set_config(mphy, 0, 0xff);
else
mt76x02_led_set_config(mphy, 0xff, 0);
}
int mt76x02_init_device(struct mt76x02_dev *dev)
{
struct ieee80211_hw *hw = mt76_hw(dev);
struct wiphy *wiphy = hw->wiphy;
INIT_DELAYED_WORK(&dev->mphy.mac_work, mt76x02_mac_work);
hw->queues = 4;
hw->max_rates = 1;
hw->max_report_rates = 7;
hw->max_rate_tries = 1;
hw->extra_tx_headroom = 2;
if (mt76_is_usb(&dev->mt76)) {
hw->extra_tx_headroom += sizeof(struct mt76x02_txwi) +
MT_DMA_HDR_LEN;
wiphy->iface_combinations = mt76x02u_if_comb;
wiphy->n_iface_combinations = ARRAY_SIZE(mt76x02u_if_comb);
} else {
INIT_DELAYED_WORK(&dev->wdt_work, mt76x02_wdt_work);
mt76x02_dfs_init_detector(dev);
wiphy->reg_notifier = mt76x02_regd_notifier;
wiphy->iface_combinations = mt76x02_if_comb;
wiphy->n_iface_combinations = ARRAY_SIZE(mt76x02_if_comb);
/* init led callbacks */
if (IS_ENABLED(CONFIG_MT76_LEDS)) {
dev->mphy.leds.cdev.brightness_set =
mt76x02_led_set_brightness;
dev->mphy.leds.cdev.blink_set = mt76x02_led_set_blink;
}
}
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
hw->sta_data_size = sizeof(struct mt76x02_sta);
hw->vif_data_size = sizeof(struct mt76x02_vif);
ieee80211_hw_set(hw, SUPPORTS_HT_CCK_RATES);
ieee80211_hw_set(hw, HOST_BROADCAST_PS_BUFFERING);
ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR);
dev->mt76.global_wcid.idx = 255;
dev->mt76.global_wcid.hw_key_idx = -1;
dev->slottime = 9;
if (is_mt76x2(dev)) {
dev->mphy.sband_2g.sband.ht_cap.cap |=
IEEE80211_HT_CAP_LDPC_CODING;
dev->mphy.sband_5g.sband.ht_cap.cap |=
IEEE80211_HT_CAP_LDPC_CODING;
dev->mphy.chainmask = 0x202;
dev->mphy.antenna_mask = 3;
} else {
dev->mphy.chainmask = 0x101;
dev->mphy.antenna_mask = 1;
}
return 0;
}
EXPORT_SYMBOL_GPL(mt76x02_init_device);
void mt76x02_configure_filter(struct ieee80211_hw *hw,
unsigned int changed_flags,
unsigned int *total_flags, u64 multicast)
{
struct mt76x02_dev *dev = hw->priv;
u32 flags = 0;
#define MT76_FILTER(_flag, _hw) do { \
flags |= *total_flags & FIF_##_flag; \
dev->mt76.rxfilter &= ~(_hw); \
dev->mt76.rxfilter |= !(flags & FIF_##_flag) * (_hw); \
} while (0)
mutex_lock(&dev->mt76.mutex);
dev->mt76.rxfilter &= ~MT_RX_FILTR_CFG_OTHER_BSS;
MT76_FILTER(FCSFAIL, MT_RX_FILTR_CFG_CRC_ERR);
MT76_FILTER(PLCPFAIL, MT_RX_FILTR_CFG_PHY_ERR);
MT76_FILTER(CONTROL, MT_RX_FILTR_CFG_ACK |
MT_RX_FILTR_CFG_CTS |
MT_RX_FILTR_CFG_CFEND |
MT_RX_FILTR_CFG_CFACK |
MT_RX_FILTR_CFG_BA |
MT_RX_FILTR_CFG_CTRL_RSV);
MT76_FILTER(PSPOLL, MT_RX_FILTR_CFG_PSPOLL);
*total_flags = flags;
mt76_wr(dev, MT_RX_FILTR_CFG, dev->mt76.rxfilter);
mutex_unlock(&dev->mt76.mutex);
}
EXPORT_SYMBOL_GPL(mt76x02_configure_filter);
int mt76x02_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76);
struct mt76x02_sta *msta = (struct mt76x02_sta *)sta->drv_priv;
struct mt76x02_vif *mvif = (struct mt76x02_vif *)vif->drv_priv;
int idx = 0;
memset(msta, 0, sizeof(*msta));
idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT76x02_N_WCIDS);
if (idx < 0)
return -ENOSPC;
msta->vif = mvif;
msta->wcid.sta = 1;
msta->wcid.idx = idx;
msta->wcid.hw_key_idx = -1;
mt76x02_mac_wcid_setup(dev, idx, mvif->idx, sta->addr);
mt76x02_mac_wcid_set_drop(dev, idx, false);
ewma_pktlen_init(&msta->pktlen);
if (vif->type == NL80211_IFTYPE_AP)
set_bit(MT_WCID_FLAG_CHECK_PS, &msta->wcid.flags);
return 0;
}
EXPORT_SYMBOL_GPL(mt76x02_sta_add);
void mt76x02_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76);
struct mt76_wcid *wcid = (struct mt76_wcid *)sta->drv_priv;
int idx = wcid->idx;
mt76x02_mac_wcid_set_drop(dev, idx, true);
mt76x02_mac_wcid_setup(dev, idx, 0, NULL);
}
EXPORT_SYMBOL_GPL(mt76x02_sta_remove);
static void
mt76x02_vif_init(struct mt76x02_dev *dev, struct ieee80211_vif *vif,
unsigned int idx)
{
struct mt76x02_vif *mvif = (struct mt76x02_vif *)vif->drv_priv;
struct mt76_txq *mtxq;
memset(mvif, 0, sizeof(*mvif));
mvif->idx = idx;
mvif->group_wcid.idx = MT_VIF_WCID(idx);
mvif->group_wcid.hw_key_idx = -1;
mt76_wcid_init(&mvif->group_wcid);
mtxq = (struct mt76_txq *)vif->txq->drv_priv;
rcu_assign_pointer(dev->mt76.wcid[MT_VIF_WCID(idx)], &mvif->group_wcid);
mtxq->wcid = MT_VIF_WCID(idx);
}
int
mt76x02_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
{
struct mt76x02_dev *dev = hw->priv;
unsigned int idx = 0;
/* Allow to change address in HW if we create first interface. */
if (!dev->mt76.vif_mask &&
(((vif->addr[0] ^ dev->mphy.macaddr[0]) & ~GENMASK(4, 1)) ||
memcmp(vif->addr + 1, dev->mphy.macaddr + 1, ETH_ALEN - 1)))
mt76x02_mac_setaddr(dev, vif->addr);
if (vif->addr[0] & BIT(1))
idx = 1 + (((dev->mphy.macaddr[0] ^ vif->addr[0]) >> 2) & 7);
/*
* Client mode typically only has one configurable BSSID register,
* which is used for bssidx=0. This is linked to the MAC address.
* Since mac80211 allows changing interface types, and we cannot
* force the use of the primary MAC address for a station mode
* interface, we need some other way of configuring a per-interface
* remote BSSID.
* The hardware provides an AP-Client feature, where bssidx 0-7 are
* used for AP mode and bssidx 8-15 for client mode.
* We shift the station interface bss index by 8 to force the
* hardware to recognize the BSSID.
* The resulting bssidx mismatch for unicast frames is ignored by hw.
*/
if (vif->type == NL80211_IFTYPE_STATION)
idx += 8;
/* vif is already set or idx is 8 for AP/Mesh/... */
if (dev->mt76.vif_mask & BIT_ULL(idx) ||
(vif->type != NL80211_IFTYPE_STATION && idx > 7))
return -EBUSY;
dev->mt76.vif_mask |= BIT_ULL(idx);
mt76x02_vif_init(dev, vif, idx);
return 0;
}
EXPORT_SYMBOL_GPL(mt76x02_add_interface);
void mt76x02_remove_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct mt76x02_dev *dev = hw->priv;
struct mt76x02_vif *mvif = (struct mt76x02_vif *)vif->drv_priv;
dev->mt76.vif_mask &= ~BIT_ULL(mvif->idx);
rcu_assign_pointer(dev->mt76.wcid[mvif->group_wcid.idx], NULL);
mt76_wcid_cleanup(&dev->mt76, &mvif->group_wcid);
}
EXPORT_SYMBOL_GPL(mt76x02_remove_interface);
int mt76x02_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_ampdu_params *params)
{
enum ieee80211_ampdu_mlme_action action = params->action;
struct ieee80211_sta *sta = params->sta;
struct mt76x02_dev *dev = hw->priv;
struct mt76x02_sta *msta = (struct mt76x02_sta *)sta->drv_priv;
struct ieee80211_txq *txq = sta->txq[params->tid];
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);
mt76_set(dev, MT_WCID_ADDR(msta->wcid.idx) + 4, BIT(16 + tid));
break;
case IEEE80211_AMPDU_RX_STOP:
mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
mt76_clear(dev, MT_WCID_ADDR(msta->wcid.idx) + 4,
BIT(16 + tid));
break;
case IEEE80211_AMPDU_TX_OPERATIONAL:
mtxq->aggr = true;
mtxq->send_bar = false;
ieee80211_send_bar(vif, sta->addr, tid, mtxq->agg_ssn);
break;
case IEEE80211_AMPDU_TX_STOP_FLUSH:
case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
mtxq->aggr = 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;
ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
break;
}
mutex_unlock(&dev->mt76.mutex);
return ret;
}
EXPORT_SYMBOL_GPL(mt76x02_ampdu_action);
int mt76x02_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 mt76x02_dev *dev = hw->priv;
struct mt76x02_vif *mvif = (struct mt76x02_vif *)vif->drv_priv;
struct mt76x02_sta *msta;
struct mt76_wcid *wcid;
int idx = key->keyidx;
int ret;
/* fall back to sw encryption for unsupported ciphers */
switch (key->cipher) {
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_WEP104:
case WLAN_CIPHER_SUITE_TKIP:
case WLAN_CIPHER_SUITE_CCMP:
break;
default:
return -EOPNOTSUPP;
}
/*
* The hardware does not support per-STA RX GTK, fall back
* 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;
/*
* In USB AP mode, broadcast/multicast frames are setup in beacon
* data registers and sent via HW beacons engine, they require to
* be already encrypted.
*/
if (mt76_is_usb(&dev->mt76) &&
vif->type == NL80211_IFTYPE_AP &&
!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
return -EOPNOTSUPP;
/* MT76x0 GTK offloading does not work with more than one VIF */
if (is_mt76x0(dev) && !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
return -EOPNOTSUPP;
msta = sta ? (struct mt76x02_sta *)sta->drv_priv : NULL;
wcid = msta ? &msta->wcid : &mvif->group_wcid;
if (cmd != SET_KEY) {
if (idx == wcid->hw_key_idx) {
wcid->hw_key_idx = -1;
wcid->sw_iv = false;
}
return 0;
}
key->hw_key_idx = wcid->idx;
wcid->hw_key_idx = idx;
if (key->flags & IEEE80211_KEY_FLAG_RX_MGMT) {
key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
wcid->sw_iv = true;
}
mt76_wcid_key_setup(&dev->mt76, wcid, key);
if (!msta) {
if (key || wcid->hw_key_idx == idx) {
ret = mt76x02_mac_wcid_set_key(dev, wcid->idx, key);
if (ret)
return ret;
}
return mt76x02_mac_shared_key_setup(dev, mvif->idx, idx, key);
}
return mt76x02_mac_wcid_set_key(dev, msta->wcid.idx, key);
}
EXPORT_SYMBOL_GPL(mt76x02_set_key);
int mt76x02_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
unsigned int link_id, u16 queue,
const struct ieee80211_tx_queue_params *params)
{
struct mt76x02_dev *dev = hw->priv;
u8 cw_min = 5, cw_max = 10, qid;
u32 val;
qid = dev->mphy.q_tx[queue]->hw_idx;
if (params->cw_min)
cw_min = fls(params->cw_min);
if (params->cw_max)
cw_max = fls(params->cw_max);
val = FIELD_PREP(MT_EDCA_CFG_TXOP, params->txop) |
FIELD_PREP(MT_EDCA_CFG_AIFSN, params->aifs) |
FIELD_PREP(MT_EDCA_CFG_CWMIN, cw_min) |
FIELD_PREP(MT_EDCA_CFG_CWMAX, cw_max);
mt76_wr(dev, MT_EDCA_CFG_AC(qid), val);
val = mt76_rr(dev, MT_WMM_TXOP(qid));
val &= ~(MT_WMM_TXOP_MASK << MT_WMM_TXOP_SHIFT(qid));
val |= params->txop << MT_WMM_TXOP_SHIFT(qid);
mt76_wr(dev, MT_WMM_TXOP(qid), val);
val = mt76_rr(dev, MT_WMM_AIFSN);
val &= ~(MT_WMM_AIFSN_MASK << MT_WMM_AIFSN_SHIFT(qid));
val |= params->aifs << MT_WMM_AIFSN_SHIFT(qid);
mt76_wr(dev, MT_WMM_AIFSN, val);
val = mt76_rr(dev, MT_WMM_CWMIN);
val &= ~(MT_WMM_CWMIN_MASK << MT_WMM_CWMIN_SHIFT(qid));
val |= cw_min << MT_WMM_CWMIN_SHIFT(qid);
mt76_wr(dev, MT_WMM_CWMIN, val);
val = mt76_rr(dev, MT_WMM_CWMAX);
val &= ~(MT_WMM_CWMAX_MASK << MT_WMM_CWMAX_SHIFT(qid));
val |= cw_max << MT_WMM_CWMAX_SHIFT(qid);
mt76_wr(dev, MT_WMM_CWMAX, val);
return 0;
}
EXPORT_SYMBOL_GPL(mt76x02_conf_tx);
void mt76x02_set_tx_ackto(struct mt76x02_dev *dev)
{
u8 ackto, sifs, slottime = dev->slottime;
/* As defined by IEEE 802.11-2007 17.3.8.6 */
slottime += 3 * dev->coverage_class;
mt76_rmw_field(dev, MT_BKOFF_SLOT_CFG,
MT_BKOFF_SLOT_CFG_SLOTTIME, slottime);
sifs = mt76_get_field(dev, MT_XIFS_TIME_CFG,
MT_XIFS_TIME_CFG_OFDM_SIFS);
ackto = slottime + sifs;
mt76_rmw_field(dev, MT_TX_TIMEOUT_CFG,
MT_TX_TIMEOUT_CFG_ACKTO, ackto);
}
EXPORT_SYMBOL_GPL(mt76x02_set_tx_ackto);
void mt76x02_set_coverage_class(struct ieee80211_hw *hw,
s16 coverage_class)
{
struct mt76x02_dev *dev = hw->priv;
mutex_lock(&dev->mt76.mutex);
dev->coverage_class = max_t(s16, coverage_class, 0);
mt76x02_set_tx_ackto(dev);
mutex_unlock(&dev->mt76.mutex);
}
EXPORT_SYMBOL_GPL(mt76x02_set_coverage_class);
int mt76x02_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
{
struct mt76x02_dev *dev = hw->priv;
if (val != ~0 && val > 0xffff)
return -EINVAL;
mutex_lock(&dev->mt76.mutex);
mt76x02_mac_set_rts_thresh(dev, val);
mutex_unlock(&dev->mt76.mutex);
return 0;
}
EXPORT_SYMBOL_GPL(mt76x02_set_rts_threshold);
void mt76x02_sta_rate_tbl_update(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct mt76x02_dev *dev = hw->priv;
struct mt76x02_sta *msta = (struct mt76x02_sta *)sta->drv_priv;
struct ieee80211_sta_rates *rates = rcu_dereference(sta->rates);
struct ieee80211_tx_rate rate = {};
if (!rates)
return;
rate.idx = rates->rate[0].idx;
rate.flags = rates->rate[0].flags;
mt76x02_mac_wcid_set_rate(dev, &msta->wcid, &rate);
}
EXPORT_SYMBOL_GPL(mt76x02_sta_rate_tbl_update);
void mt76x02_remove_hdr_pad(struct sk_buff *skb, int len)
{
int hdrlen;
if (!len)
return;
hdrlen = ieee80211_get_hdrlen_from_skb(skb);
memmove(skb->data + len, skb->data, hdrlen);
skb_pull(skb, len);
}
EXPORT_SYMBOL_GPL(mt76x02_remove_hdr_pad);
void mt76x02_sw_scan_complete(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct mt76x02_dev *dev = hw->priv;
clear_bit(MT76_SCANNING, &dev->mphy.state);
if (dev->cal.gain_init_done) {
/* Restore AGC gain and resume calibration after scanning. */
dev->cal.low_gain = -1;
ieee80211_queue_delayed_work(hw, &dev->cal_work, 0);
}
}
EXPORT_SYMBOL_GPL(mt76x02_sw_scan_complete);
void mt76x02_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta,
bool ps)
{
struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76);
struct mt76x02_sta *msta = (struct mt76x02_sta *)sta->drv_priv;
int idx = msta->wcid.idx;
mt76_stop_tx_queues(&dev->mphy, sta, true);
if (mt76_is_mmio(mdev))
mt76x02_mac_wcid_set_drop(dev, idx, ps);
}
EXPORT_SYMBOL_GPL(mt76x02_sta_ps);
void mt76x02_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *info,
u64 changed)
{
struct mt76x02_vif *mvif = (struct mt76x02_vif *)vif->drv_priv;
struct mt76x02_dev *dev = hw->priv;
mutex_lock(&dev->mt76.mutex);
if (changed & BSS_CHANGED_BSSID)
mt76x02_mac_set_bssid(dev, mvif->idx, info->bssid);
if (changed & BSS_CHANGED_HT || changed & BSS_CHANGED_ERP_CTS_PROT)
mt76x02_mac_set_tx_protection(dev, info->use_cts_prot,
info->ht_operation_mode);
if (changed & BSS_CHANGED_BEACON_INT) {
mt76_rmw_field(dev, MT_BEACON_TIME_CFG,
MT_BEACON_TIME_CFG_INTVAL,
info->beacon_int << 4);
dev->mt76.beacon_int = info->beacon_int;
}
if (changed & BSS_CHANGED_BEACON_ENABLED)
mt76x02_mac_set_beacon_enable(dev, vif, info->enable_beacon);
if (changed & BSS_CHANGED_ERP_PREAMBLE)
mt76x02_mac_set_short_preamble(dev, info->use_short_preamble);
if (changed & BSS_CHANGED_ERP_SLOT) {
int slottime = info->use_short_slot ? 9 : 20;
dev->slottime = slottime;
mt76x02_set_tx_ackto(dev);
}
mutex_unlock(&dev->mt76.mutex);
}
EXPORT_SYMBOL_GPL(mt76x02_bss_info_changed);
void mt76x02_config_mac_addr_list(struct mt76x02_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(mt76x02_config_mac_addr_list);
MODULE_DESCRIPTION("MediaTek MT76x02 helpers");
MODULE_LICENSE("Dual BSD/GPL");
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