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[18/21] wifi: mt76: mt7996: set vif default link_id adding/removing vif links

Message ID 20250312-b4-mt7996-mlo-p2-v1-18-015b3d6fd928@kernel.org (mailing list archive)
State New
Delegated to: Felix Fietkau
Headers show
Series wifi: mt76: mt7996: second preliminary work to support MLO | expand

Checks

Context Check Description
wifibot/tree_selection success Guessing tree name failed - patch did not apply

Commit Message

Lorenzo Bianconi March 12, 2025, 11:14 a.m. UTC 
This info will be consumed by subsequent patches (e.g. in set/get tsf
routines).

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 drivers/net/wireless/mediatek/mt76/mt7996/main.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
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Patch

diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/main.c b/drivers/net/wireless/mediatek/mt76/mt7996/main.c
index bcca1850d471bc43390c2f9e2ffecf6d9a05f377..40efba5bcaac364f8aa1ebf528e283494178616b 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/main.c
@@ -271,6 +271,7 @@  int mt7996_vif_link_add(struct mt76_phy *mphy, struct ieee80211_vif *vif,
 			struct mt76_vif_link *mlink)
 {
 	struct mt7996_vif_link *link = container_of(mlink, struct mt7996_vif_link, mt76);
+	struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
 	struct mt7996_sta_link *msta_link = &link->msta_link;
 	struct mt7996_phy *phy = mphy->priv;
 	struct mt7996_dev *dev = phy->dev;
@@ -338,6 +339,9 @@  int mt7996_vif_link_add(struct mt76_phy *mphy, struct ieee80211_vif *vif,
 
 	ieee80211_iter_keys(mphy->hw, vif, mt7996_key_iter, NULL);
 
+	if (mvif->mt76.deflink_id == IEEE80211_LINK_UNSPECIFIED)
+		mvif->mt76.deflink_id = link_conf->link_id;
+
 	return 0;
 }
 
@@ -346,6 +350,7 @@  void mt7996_vif_link_remove(struct mt76_phy *mphy, struct ieee80211_vif *vif,
 			    struct mt76_vif_link *mlink)
 {
 	struct mt7996_vif_link *link = container_of(mlink, struct mt7996_vif_link, mt76);
+	struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
 	struct mt7996_sta_link *msta_link = &link->msta_link;
 	struct mt7996_phy *phy = mphy->priv;
 	struct mt7996_dev *dev = phy->dev;
@@ -359,6 +364,19 @@  void mt7996_vif_link_remove(struct mt76_phy *mphy, struct ieee80211_vif *vif,
 
 	rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
 
+	if (mvif->mt76.deflink_id == link_conf->link_id) {
+		struct ieee80211_bss_conf *iter;
+		unsigned int link_id;
+
+		mvif->mt76.deflink_id = IEEE80211_LINK_UNSPECIFIED;
+		for_each_vif_active_link(vif, iter, link_id) {
+			if (link_id != IEEE80211_LINK_UNSPECIFIED) {
+				mvif->mt76.deflink_id = link_id;
+				break;
+			}
+		}
+	}
+
 	dev->mt76.vif_mask &= ~BIT_ULL(mlink->idx);
 	phy->omac_mask &= ~BIT_ULL(mlink->omac_idx);
 
@@ -443,6 +461,7 @@  static int mt7996_add_interface(struct ieee80211_hw *hw,
 	mt76_vif_init(vif, &mvif->mt76);
 
 	vif->offload_flags |= IEEE80211_OFFLOAD_ENCAP_4ADDR;
+	mvif->mt76.deflink_id = IEEE80211_LINK_UNSPECIFIED;
 
 out:
 	mutex_unlock(&dev->mt76.mutex);