recipes-wifi/linux-mt76/files/patches-3.x/0031-wifi-mt76-mt7996-refine-ampdu-factor.patch

From 274d96dc00990390f4e830452d9032471deacf33 Mon Sep 17 00:00:00 2001
From: Peter Chiu <chui-hao.chiu@mediatek.com>
Date: Fri, 6 Oct 2023 11:44:03 +0800
Subject: [PATCH 31/98] wifi: mt76: mt7996: refine ampdu factor

Firmware would parse ht/vht/he/eht cap to get correct ampdu parameters.
---
 mt76_connac_mcu.h |  4 +++-
 mt7996/mcu.c      | 44 ++++----------------------------------------
 mt7996/mcu.h      |  1 -
 3 files changed, 7 insertions(+), 42 deletions(-)

diff --git a/mt76_connac_mcu.h b/mt76_connac_mcu.h
index 6fac67b..ca2e573 100644
--- a/mt76_connac_mcu.h
+++ b/mt76_connac_mcu.h
@@ -298,7 +298,9 @@ struct sta_rec_ht {
 	__le16 tag;
 	__le16 len;
 	__le16 ht_cap;
-	u16 rsv;
+	__le16 ht_cap_ext;
+	u8 ampdu_param;
+	u8 _rsv[3];
 } __packed;
 
 struct sta_rec_vht {
diff --git a/mt7996/mcu.c b/mt7996/mcu.c
index 60af1d4..8b81644 100644
--- a/mt7996/mcu.c
+++ b/mt7996/mcu.c
@@ -1195,6 +1195,10 @@ mt7996_mcu_sta_ht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
 
 	ht = (struct sta_rec_ht *)tlv;
 	ht->ht_cap = cpu_to_le16(sta->deflink.ht_cap.cap);
+	ht->ampdu_param = u8_encode_bits(sta->deflink.ht_cap.ampdu_factor,
+					 IEEE80211_HT_AMPDU_PARM_FACTOR) |
+			  u8_encode_bits(sta->deflink.ht_cap.ampdu_density,
+					 IEEE80211_HT_AMPDU_PARM_DENSITY);
 }
 
 static void
@@ -1651,44 +1655,6 @@ mt7996_mcu_sta_bfee_tlv(struct mt7996_dev *dev, struct sk_buff *skb,
 	bfee->fb_identity_matrix = (nrow == 1 && tx_ant == 2);
 }
 
-static void
-mt7996_mcu_sta_phy_tlv(struct mt7996_dev *dev, struct sk_buff *skb,
-		       struct ieee80211_vif *vif, struct ieee80211_sta *sta)
-{
-	struct sta_rec_phy *phy;
-	struct tlv *tlv;
-	u8 af = 0, mm = 0;
-
-	if (!sta->deflink.ht_cap.ht_supported && !sta->deflink.he_6ghz_capa.capa)
-		return;
-
-	tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_PHY, sizeof(*phy));
-
-	phy = (struct sta_rec_phy *)tlv;
-	if (sta->deflink.ht_cap.ht_supported) {
-		af = sta->deflink.ht_cap.ampdu_factor;
-		mm = sta->deflink.ht_cap.ampdu_density;
-	}
-
-	if (sta->deflink.vht_cap.vht_supported) {
-		u8 vht_af = FIELD_GET(IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK,
-				      sta->deflink.vht_cap.cap);
-
-		af = max_t(u8, af, vht_af);
-	}
-
-	if (sta->deflink.he_6ghz_capa.capa) {
-		af = le16_get_bits(sta->deflink.he_6ghz_capa.capa,
-				   IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP);
-		mm = le16_get_bits(sta->deflink.he_6ghz_capa.capa,
-				   IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START);
-	}
-
-	phy->ampdu = FIELD_PREP(IEEE80211_HT_AMPDU_PARM_FACTOR, af) |
-		     FIELD_PREP(IEEE80211_HT_AMPDU_PARM_DENSITY, mm);
-	phy->max_ampdu_len = af;
-}
-
 static void
 mt7996_mcu_sta_hdrt_tlv(struct mt7996_dev *dev, struct sk_buff *skb)
 {
@@ -2100,8 +2066,6 @@ int mt7996_mcu_add_sta(struct mt7996_dev *dev, struct ieee80211_vif *vif,
 
 	/* tag order is in accordance with firmware dependency. */
 	if (sta) {
-		/* starec phy */
-		mt7996_mcu_sta_phy_tlv(dev, skb, vif, sta);
 		/* starec hdrt mode */
 		mt7996_mcu_sta_hdrt_tlv(dev, skb);
 		/* starec bfer */
diff --git a/mt7996/mcu.h b/mt7996/mcu.h
index af7cd18..ca16336 100644
--- a/mt7996/mcu.h
+++ b/mt7996/mcu.h
@@ -730,7 +730,6 @@ enum {
 					 sizeof(struct sta_rec_uapsd) + 	\
 					 sizeof(struct sta_rec_amsdu) +		\
 					 sizeof(struct sta_rec_bfee) +		\
-					 sizeof(struct sta_rec_phy) +		\
 					 sizeof(struct sta_rec_ra_uni) +	\
 					 sizeof(struct sta_rec_sec) +		\
 					 sizeof(struct sta_rec_ra_fixed_uni) +	\
-- 
2.18.0