diff options
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7925/main.c | 142 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt792x.h | 7 | 
2 files changed, 145 insertions, 4 deletions
| diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/main.c b/drivers/net/wireless/mediatek/mt76/mt7925/main.c index fcf7bd1a06bc..afb58a9206b0 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7925/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7925/main.c @@ -809,16 +809,79 @@ static int mt7925_mac_link_sta_add(struct mt76_dev *mdev,  		mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx,  					link_conf, link_sta, false); -	ret = mt7925_mcu_sta_update(dev, link_sta, vif, true, -				    MT76_STA_INFO_STATE_NONE); -	if (ret) -		return ret; +	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; + +		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)  { @@ -915,6 +978,48 @@ static void mt7925_mac_link_sta_remove(struct mt76_dev *mdev,  	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)  { @@ -1650,6 +1755,34 @@ free:  	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; +} +  const struct ieee80211_ops mt7925_ops = {  	.tx = mt792x_tx,  	.start = mt7925_start, @@ -1709,6 +1842,7 @@ const struct ieee80211_ops mt7925_ops = {  	.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); diff --git a/drivers/net/wireless/mediatek/mt76/mt792x.h b/drivers/net/wireless/mediatek/mt76/mt792x.h index 9a7443a8a951..af9a103dc7f4 100644 --- a/drivers/net/wireless/mediatek/mt76/mt792x.h +++ b/drivers/net/wireless/mediatek/mt76/mt792x.h @@ -92,6 +92,10 @@ struct mt792x_link_sta {  	unsigned long last_txs;  	struct mt76_connac_sta_key_conf bip; + +	struct mt792x_sta *sta; + +	struct ieee80211_link_sta *pri_link;  };  struct mt792x_sta { @@ -99,6 +103,9 @@ struct mt792x_sta {  	struct mt792x_link_sta __rcu *link[IEEE80211_MLD_MAX_NUM_LINKS];  	struct mt792x_vif *vif; + +	u16 valid_links; +	u8 deflink_id;  };  DECLARE_EWMA(rssi, 10, 8); |