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wifi: mt76: mt7996: Overwrite unspecified link_id in mt7996_tx()

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Set link_id to msta or mvif primary value if it is set to
IEEE80211_LINK_UNSPECIFIED by mac80211 in mt7996_tx routine.

Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Lorenzo Bianconi
2025-07-18 19:39:31 +02:00
committed by Felix Fietkau
parent 32ca2b6db3
commit 00275548ba
1 changed files with 17 additions and 9 deletions
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mt7996/main.c
+17 -9
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@@ -1215,21 +1215,30 @@ static void mt7996_tx(struct ieee80211_hw *hw,
struct mt76_wcid *wcid = &dev->mt76.global_wcid;
u8 link_id = u32_get_bits(info->control.flags,
IEEE80211_TX_CTRL_MLO_LINK);
struct mt7996_sta *msta;
struct mt7996_vif *mvif;
rcu_read_lock();
if (vif) {
struct mt7996_vif *mvif = (void *)vif->drv_priv;
msta = control->sta ? (void *)control->sta->drv_priv : NULL;
mvif = vif ? (void *)vif->drv_priv : NULL;
/* Use primary link_id if the value from mac80211 is set to
* IEEE80211_LINK_UNSPECIFIED.
*/
if (link_id == IEEE80211_LINK_UNSPECIFIED) {
if (msta)
link_id = msta->deflink_id;
else if (mvif)
link_id = mvif->mt76.deflink_id;
}
if (mvif) {
struct mt76_vif_link *mlink = &mvif->deflink.mt76;
if (link_id < IEEE80211_LINK_UNSPECIFIED)
mlink = rcu_dereference(mvif->mt76.link[link_id]);
if (!mlink) {
ieee80211_free_txskb(hw, skb);
goto unlock;
}
if (mlink->wcid)
wcid = mlink->wcid;
@@ -1248,8 +1257,7 @@ static void mt7996_tx(struct ieee80211_hw *hw,
goto unlock;
}
if (control->sta && link_id < IEEE80211_LINK_UNSPECIFIED) {
struct mt7996_sta *msta = (void *)control->sta->drv_priv;
if (msta && link_id < IEEE80211_LINK_UNSPECIFIED) {
struct mt7996_sta_link *msta_link;
msta_link = rcu_dereference(msta->link[link_id]);