wifi: mt76: mt7925: add mt7925_[assign,unassign]_vif_chanctx

add mt7925_[assign,unassign]_vif_chanctx to assign and unassign
chanctx to the specific link configuration. If the chctx is not
pass in the parameter, we will look up the channel information
from link_conf->chanreq.oper.
Co-developed-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
Signed-off-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
Co-developed-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Link: https://patch.msgid.link/15261879a16cb12674d6dea7703410baa6883799.1720248331.git.sean.wang@kernel.orgSigned-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7925/main.c

@@ -1730,8 +1730,13 @@ mt7925_change_chanctx(struct ieee80211_hw *hw,
 			mconf = &mvif->bss_conf;
 		}
 
-		if (mconf)
-			mt7925_mcu_set_chctx(mvif->phy->mt76, &mconf->mt76, ctx);
+		if (mconf) {
+			struct ieee80211_bss_conf *link_conf;
+
+			link_conf = mt792x_vif_to_bss_conf(vif, mconf->link_id);
+			mt7925_mcu_set_chctx(mvif->phy->mt76, &mconf->mt76,
+					     link_conf, ctx);
+		}
 	}
 
 	mt792x_mutex_release(phy->dev);
@@ -1978,6 +1983,68 @@ mt7925_change_sta_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 	return err;
 }
 
+static int mt7925_assign_vif_chanctx(struct ieee80211_hw *hw,
+				     struct ieee80211_vif *vif,
+				     struct ieee80211_bss_conf *link_conf,
+				     struct ieee80211_chanctx_conf *ctx)
+{
+	struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv;
+	struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
+	struct mt792x_dev *dev = mt792x_hw_dev(hw);
+	struct ieee80211_bss_conf *pri_link_conf;
+	struct mt792x_bss_conf *mconf;
+
+	mutex_lock(&dev->mt76.mutex);
+
+	if (ieee80211_vif_is_mld(vif)) {
+		mconf = mt792x_vif_to_link(mvif, link_conf->link_id);
+		pri_link_conf = mt792x_vif_to_bss_conf(vif, mvif->deflink_id);
+
+		if (vif->type == NL80211_IFTYPE_STATION &&
+		    mconf == &mvif->bss_conf)
+			mt7925_mcu_add_bss_info(&dev->phy, NULL, pri_link_conf,
+						NULL, true);
+	} else {
+		mconf = &mvif->bss_conf;
+	}
+
+	mconf->mt76.ctx = ctx;
+	mctx->bss_conf = mconf;
+	mutex_unlock(&dev->mt76.mutex);
+
+	return 0;
+}
+
+static void mt7925_unassign_vif_chanctx(struct ieee80211_hw *hw,
+					struct ieee80211_vif *vif,
+					struct ieee80211_bss_conf *link_conf,
+					struct ieee80211_chanctx_conf *ctx)
+{
+	struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv;
+	struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
+	struct mt792x_dev *dev = mt792x_hw_dev(hw);
+	struct ieee80211_bss_conf *pri_link_conf;
+	struct mt792x_bss_conf *mconf;
+
+	mutex_lock(&dev->mt76.mutex);
+
+	if (ieee80211_vif_is_mld(vif)) {
+		mconf = mt792x_vif_to_link(mvif, link_conf->link_id);
+		pri_link_conf = mt792x_vif_to_bss_conf(vif, mvif->deflink_id);
+
+		if (vif->type == NL80211_IFTYPE_STATION &&
+		    mconf == &mvif->bss_conf)
+			mt7925_mcu_add_bss_info(&dev->phy, NULL, pri_link_conf,
+						NULL, false);
+	} else {
+		mconf = &mvif->bss_conf;
+	}
+
+	mctx->bss_conf = NULL;
+	mconf->mt76.ctx = NULL;
+	mutex_unlock(&dev->mt76.mutex);
+}
+
 const struct ieee80211_ops mt7925_ops = {
 	.tx = mt792x_tx,
 	.start = mt7925_start,
@@ -2030,8 +2097,8 @@ const struct ieee80211_ops mt7925_ops = {
 	.add_chanctx = mt7925_add_chanctx,
 	.remove_chanctx = mt7925_remove_chanctx,
 	.change_chanctx = mt7925_change_chanctx,
-	.assign_vif_chanctx = mt792x_assign_vif_chanctx,
-	.unassign_vif_chanctx = mt792x_unassign_vif_chanctx,
+	.assign_vif_chanctx = mt7925_assign_vif_chanctx,
+	.unassign_vif_chanctx = mt7925_unassign_vif_chanctx,
 	.mgd_prepare_tx = mt7925_mgd_prepare_tx,
 	.mgd_complete_tx = mt7925_mgd_complete_tx,
 	.vif_cfg_changed = mt7925_vif_cfg_changed,

drivers/net/wireless/mediatek/mt76/mt7925/mcu.c

@@ -2083,9 +2083,11 @@ mt7925_mcu_uni_add_beacon_offload(struct mt792x_dev *dev,
 
 static
 void mt7925_mcu_bss_rlm_tlv(struct sk_buff *skb, struct mt76_phy *phy,
+			    struct ieee80211_bss_conf *link_conf,
 			    struct ieee80211_chanctx_conf *ctx)
 {
-	struct cfg80211_chan_def *chandef = ctx ? &ctx->def : &phy->chandef;
+	struct cfg80211_chan_def *chandef = ctx ? &ctx->def :
+						  &link_conf->chanreq.oper;
 	int freq1 = chandef->center_freq1, freq2 = chandef->center_freq2;
 	enum nl80211_band band = chandef->chan->band;
 	struct bss_rlm_tlv *req;
@@ -2152,6 +2154,7 @@ __mt7925_mcu_alloc_bss_req(struct mt76_dev *dev, struct mt76_vif *mvif, int len)
 }
 
 int mt7925_mcu_set_chctx(struct mt76_phy *phy, struct mt76_vif *mvif,
+			 struct ieee80211_bss_conf *link_conf,
 			 struct ieee80211_chanctx_conf *ctx)
 {
 	struct sk_buff *skb;
@@ -2161,7 +2164,7 @@ int mt7925_mcu_set_chctx(struct mt76_phy *phy, struct mt76_vif *mvif,
 	if (IS_ERR(skb))
 		return PTR_ERR(skb);
 
-	mt7925_mcu_bss_rlm_tlv(skb, phy, ctx);
+	mt7925_mcu_bss_rlm_tlv(skb, phy, link_conf, ctx);
 
 	return mt76_mcu_skb_send_msg(phy->dev, skb,
 				     MCU_UNI_CMD(BSS_INFO_UPDATE), true);
@@ -2223,7 +2226,8 @@ mt7925_mcu_bss_basic_tlv(struct sk_buff *skb,
 {
 	struct ieee80211_vif *vif = link_conf->vif;
 	struct mt792x_bss_conf *mconf = mt792x_link_conf_to_mconf(link_conf);
-	struct cfg80211_chan_def *chandef = ctx ? &ctx->def : &phy->chandef;
+	struct cfg80211_chan_def *chandef = ctx ? &ctx->def :
+						  &link_conf->chanreq.oper;
 	enum nl80211_band band = chandef->chan->band;
 	struct mt76_connac_bss_basic_tlv *basic_req;
 	struct mt792x_link_sta *mlink;
@@ -2348,7 +2352,8 @@ mt7925_mcu_bss_bmc_tlv(struct sk_buff *skb, struct mt792x_phy *phy,
 		       struct ieee80211_chanctx_conf *ctx,
 		       struct ieee80211_bss_conf *link_conf)
 {
-	struct cfg80211_chan_def *chandef = ctx ? &ctx->def : &phy->mt76->chandef;
+	struct cfg80211_chan_def *chandef = ctx ? &ctx->def :
+						  &link_conf->chanreq.oper;
 	struct mt792x_bss_conf *mconf = mt792x_link_conf_to_mconf(link_conf);
 	enum nl80211_band band = chandef->chan->band;
 	struct mt76_vif *mvif = &mconf->mt76;
@@ -2488,8 +2493,6 @@ int mt7925_mcu_add_bss_info(struct mt792x_phy *phy,
 			    int enable)
 {
 	struct mt792x_vif *mvif = (struct mt792x_vif *)link_conf->vif->drv_priv;
-	struct mt792x_bss_conf *mconf = mt792x_vif_to_link(mvif,
-							   link_conf->link_id);
 	struct mt792x_dev *dev = phy->dev;
 	struct sk_buff *skb;
 
@@ -2513,7 +2516,7 @@ int mt7925_mcu_add_bss_info(struct mt792x_phy *phy,
 		mt7925_mcu_bss_color_tlv(skb, link_conf, enable);
 	}
 
-	mt7925_mcu_bss_rlm_tlv(skb, phy->mt76, mconf->mt76.ctx);
+	mt7925_mcu_bss_rlm_tlv(skb, phy->mt76, link_conf, ctx);
 
 	return mt76_mcu_skb_send_msg(&dev->mt76, skb,
 				     MCU_UNI_CMD(BSS_INFO_UPDATE), true);

drivers/net/wireless/mediatek/mt76/mt7925/mcu.h

@@ -623,6 +623,7 @@ int mt7925_mcu_set_deep_sleep(struct mt792x_dev *dev, bool enable);
 int mt7925_mcu_set_channel_domain(struct mt76_phy *phy);
 int mt7925_mcu_set_radio_en(struct mt792x_phy *phy, bool enable);
 int mt7925_mcu_set_chctx(struct mt76_phy *phy, struct mt76_vif *mvif,
+			 struct ieee80211_bss_conf *link_conf,
 			 struct ieee80211_chanctx_conf *ctx);
 int mt7925_mcu_set_rate_txpower(struct mt76_phy *phy);
 int mt7925_mcu_update_arp_filter(struct mt76_dev *dev,