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wifi: mt76: mt7996: Account active links in valid_links fields

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Track active vif links in mt7996_vif_link_add and mt7996_vif_link_remove
routines.
This is a preliminary patch in order to remove AP MLD links from MCU
configuration during AP tear-down process and to support MLO link
reconfiguration in MT7996 driver.

Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20260315-mt7996-mlo-link-reconf-v1-2-a8a634fbc927@kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Shayne Chen 2026-03-15 11:26:25 +01:00 committed by Felix Fietkau
parent 76ceccd60b
commit 108cb0c43f
1 changed files with 28 additions and 22 deletions
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50
drivers/net/wireless/mediatek/mt76/mt7996/main.c
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@ -367,12 +367,16 @@ int mt7996_vif_link_add(struct mt76_phy *mphy, struct ieee80211_vif *vif,
ieee80211_iter_keys(mphy->hw, vif, mt7996_key_iter, &it);
if (vif->txq && !mlink->wcid->offchannel &&
mvif->mt76.deflink_id == IEEE80211_LINK_UNSPECIFIED) {
struct mt76_txq *mtxq = (struct mt76_txq *)vif->txq->drv_priv;
if (!mlink->wcid->offchannel) {
if (vif->txq &&
mvif->mt76.deflink_id == IEEE80211_LINK_UNSPECIFIED) {
struct mt76_txq *mtxq;
mvif->mt76.deflink_id = link_conf->link_id;
mtxq->wcid = idx;
mtxq = (struct mt76_txq *)vif->txq->drv_priv;
mvif->mt76.deflink_id = link_conf->link_id;
mtxq->wcid = idx;
}
mvif->mt76.valid_links |= BIT(link_conf->link_id);
}
if (vif->type == NL80211_IFTYPE_STATION) {
@ -419,28 +423,30 @@ void mt7996_vif_link_remove(struct mt76_phy *mphy, struct ieee80211_vif *vif,
rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
if (vif->txq && !mlink->wcid->offchannel &&
mvif->mt76.deflink_id == link_id) {
struct ieee80211_bss_conf *iter;
struct mt76_txq *mtxq;
if (!mlink->wcid->offchannel) {
if (vif->txq && mvif->mt76.deflink_id == link_id) {
struct ieee80211_bss_conf *iter;
struct mt76_txq *mtxq;
mvif->mt76.deflink_id = IEEE80211_LINK_UNSPECIFIED;
mtxq = (struct mt76_txq *)vif->txq->drv_priv;
/* Primary link will be removed, look for a new one */
for_each_vif_active_link(vif, iter, link_id) {
struct mt7996_vif_link *link;
mvif->mt76.deflink_id = IEEE80211_LINK_UNSPECIFIED;
mtxq = (struct mt76_txq *)vif->txq->drv_priv;
/* Primary link will be removed, look for a new one */
for_each_vif_active_link(vif, iter, link_id) {
struct mt7996_vif_link *link;
if (link_id == msta_link->wcid.link_id)
continue;
if (link_id == msta_link->wcid.link_id)
continue;
link = mt7996_vif_link(dev, vif, link_id);
if (!link)
continue;
link = mt7996_vif_link(dev, vif, link_id);
if (!link)
continue;
mtxq->wcid = link->msta_link.wcid.idx;
mvif->mt76.deflink_id = link_id;
break;
mtxq->wcid = link->msta_link.wcid.idx;
mvif->mt76.deflink_id = link_id;
break;
}
}
mvif->mt76.valid_links &= ~BIT(link_id);
}
dev->mt76.vif_mask &= ~BIT_ULL(mlink->idx);