recipes-wifi/linux-mt76/files/patches-3.x/0020-mtk-wifi-mt76-mt7996-add-check-for-hostapd-config-he.patch

From 4974096ee9b3e3a6083da610ce13dde3b82608c9 Mon Sep 17 00:00:00 2001
From: "Allen.Ye" <allen.ye@mediatek.com>
Date: Thu, 8 Jun 2023 17:32:33 +0800
Subject: [PATCH 020/116] mtk: wifi: mt76: mt7996: add check for hostapd config
 he_ldpc

Add check for hostapd config he_ldpc.
This capabilities is checked in mcu_beacon_check_caps in 7915.

Add check for STA LDPC cap, if STA only have BCC we should not overwrite the phy_cap with config he_ldpc.

Signed-off-by: Allen.Ye <allen.ye@mediatek.com>
---
 mt7996/mcu.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/mt7996/mcu.c b/mt7996/mcu.c
index 90332fe..6c565c9 100644
--- a/mt7996/mcu.c
+++ b/mt7996/mcu.c
@@ -1188,7 +1188,8 @@ int mt7996_mcu_add_rx_ba(struct mt7996_dev *dev,
 }
 
 static void
-mt7996_mcu_sta_he_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
+mt7996_mcu_sta_he_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
+		      struct ieee80211_sta *sta)
 {
 	struct ieee80211_he_cap_elem *elem = &sta->deflink.he_cap.he_cap_elem;
 	struct ieee80211_he_mcs_nss_supp mcs_map;
@@ -1208,6 +1209,11 @@ mt7996_mcu_sta_he_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
 		he->he_phy_cap[i] = elem->phy_cap_info[i];
 	}
 
+	if (vif->type == NL80211_IFTYPE_AP &&
+	    (elem->phy_cap_info[1] & IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD))
+		u8p_replace_bits(&he->he_phy_cap[1], vif->bss_conf.he_ldpc,
+				 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD);
+
 	mcs_map = sta->deflink.he_cap.he_mcs_nss_supp;
 	switch (sta->deflink.bandwidth) {
 	case IEEE80211_STA_RX_BW_160:
@@ -2113,7 +2119,7 @@ int mt7996_mcu_add_rate_ctrl(struct mt7996_dev *dev, struct ieee80211_vif *vif,
 	 * update sta_rec_he here.
 	 */
 	if (changed)
-		mt7996_mcu_sta_he_tlv(skb, sta);
+		mt7996_mcu_sta_he_tlv(skb, vif, sta);
 
 	/* sta_rec_ra accommodates BW, NSS and only MCS range format
 	 * i.e 0-{7,8,9} for VHT.
@@ -2201,7 +2207,7 @@ int mt7996_mcu_add_sta(struct mt7996_dev *dev, struct ieee80211_vif *vif,
 		/* starec amsdu */
 		mt7996_mcu_sta_amsdu_tlv(dev, skb, vif, sta);
 		/* starec he */
-		mt7996_mcu_sta_he_tlv(skb, sta);
+		mt7996_mcu_sta_he_tlv(skb, vif, sta);
 		/* starec he 6g*/
 		mt7996_mcu_sta_he_6g_tlv(skb, sta);
 		/* starec eht */
-- 
2.18.0