wifi: mt76: mt7925: add mt7925_mcu_sta_eht_mld_tlv for MLO

add mt7925_mcu_sta_eht_mld_tlv for the MLO-enabled firmware.
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/a1001592eeef4e4ee2c3e15dc94cca0815d64e59.1720248331.git.sean.wang@kernel.orgSigned-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h

@@ -820,6 +820,7 @@ enum {
 	STA_REC_HE_6G = 0x17,
 	STA_REC_HE_V2 = 0x19,
 	STA_REC_MLD = 0x20,
+	STA_REC_EHT_MLD = 0x21,
 	STA_REC_EHT = 0x22,
 	STA_REC_MLD_OFF = 0x23,
 	STA_REC_REMOVE = 0x25,

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

@@ -1738,6 +1738,42 @@ mt7925_mcu_sta_rate_ctrl_tlv(struct sk_buff *skb,
 		       HT_MCS_MASK_NUM);
 }
 
+static void
+mt7925_mcu_sta_eht_mld_tlv(struct sk_buff *skb,
+			   struct ieee80211_vif *vif, struct ieee80211_sta *sta)
+{
+	struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
+	struct wiphy *wiphy = mvif->phy->mt76->hw->wiphy;
+	const struct wiphy_iftype_ext_capab *ext_capa;
+	struct sta_rec_eht_mld *eht_mld;
+	struct tlv *tlv;
+	u16 eml_cap;
+
+	tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_EHT_MLD, sizeof(*eht_mld));
+	eht_mld = (struct sta_rec_eht_mld *)tlv;
+	eht_mld->mld_type = 0xff;
+
+	if (!ieee80211_vif_is_mld(vif))
+		return;
+
+	ext_capa = cfg80211_get_iftype_ext_capa(wiphy,
+						ieee80211_vif_type_p2p(vif));
+	if (!ext_capa)
+		return;
+
+	eml_cap = (vif->cfg.eml_cap & (IEEE80211_EML_CAP_EMLSR_SUPP |
+				       IEEE80211_EML_CAP_TRANSITION_TIMEOUT)) |
+		  (ext_capa->eml_capabilities & (IEEE80211_EML_CAP_EMLSR_PADDING_DELAY |
+						IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY));
+
+	if (eml_cap & IEEE80211_EML_CAP_EMLSR_SUPP) {
+		eht_mld->eml_cap[0] = u16_get_bits(eml_cap, GENMASK(7, 0));
+		eht_mld->eml_cap[1] = u16_get_bits(eml_cap, GENMASK(15, 8));
+	} else {
+		eht_mld->str_cap[0] = BIT(1);
+	}
+}
+
 static void
 mt7925_mcu_sta_mld_tlv(struct sk_buff *skb,
 		       struct ieee80211_vif *vif, struct ieee80211_sta *sta)
@@ -1858,8 +1894,12 @@ mt7925_mcu_mlo_sta_cmd(struct mt76_phy *phy,
 		mt7925_mcu_sta_state_v2_tlv(phy, skb, info->link_sta,
 					    info->vif, info->rcpi,
 					    info->state);
-		if (info->state != MT76_STA_INFO_STATE_NONE)
+
+		if (info->state != MT76_STA_INFO_STATE_NONE) {
 			mt7925_mcu_sta_mld_tlv(skb, info->vif, info->link_sta->sta);
+			mt7925_mcu_sta_eht_mld_tlv(skb, info->vif, info->link_sta->sta);
+		}
+
 		mt7925_mcu_sta_hdr_trans_tlv(skb, info->vif, info->link_sta);
 	}
 

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

@@ -443,6 +443,17 @@ struct sta_rec_mld {
 	} __packed link[2];
 } __packed;
 
+struct sta_rec_eht_mld {
+	__le16 tag;
+	__le16 len;
+	u8 nsep;
+	u8 mld_type;
+	u8 __rsv1[1];
+	u8 str_cap[3];
+	u8 eml_cap[3];
+	u8 __rsv2[3];
+} __packed;
+
 struct bss_ifs_time_tlv {
 	__le16 tag;
 	__le16 len;