From: Allan Wang <allan.wang@mediatek.com>
Date: Tue, 1 Apr 2025 08:35:25 +0000 (+0800)
Subject: wifi: mt76: mt7925: add EHT preamble puncturing
X-Git-Tag: v6.16-rc1~132^2~46^2^2~33
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=cadebdad959bf25edd544da6dd1a9750e876deb6;p=linux-block.git

wifi: mt76: mt7925: add EHT preamble puncturing

Add mt7925 EHT preamble puncturing.

Signed-off-by: Allan Wang <allan.wang@mediatek.com>
Link: https://patch.msgid.link/20250401083525.2734333-1-allan.wang@mediatek.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---

diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
index 8226b975f7e6..478cd1886736 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
@@ -1371,6 +1371,7 @@ enum {
 	UNI_BSS_INFO_OFFLOAD = 25,
 	UNI_BSS_INFO_MLD = 26,
 	UNI_BSS_INFO_PM_DISABLE = 27,
+	UNI_BSS_INFO_EHT = 30,
 };
 
 enum {
diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/main.c b/drivers/net/wireless/mediatek/mt76/mt7925/main.c
index 66f327781947..128a742ca631 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7925/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7925/main.c
@@ -1865,6 +1865,10 @@ mt7925_change_chanctx(struct ieee80211_hw *hw,
 			link_conf = mt792x_vif_to_bss_conf(vif, mconf->link_id);
 			mt7925_mcu_set_chctx(mvif->phy->mt76, &mconf->mt76,
 					     link_conf, ctx);
+
+			if (changed & IEEE80211_CHANCTX_CHANGE_PUNCTURING)
+				mt7925_mcu_set_eht_pp(mvif->phy->mt76, &mconf->mt76,
+						      link_conf, ctx);
 		}
 	}
 
@@ -1954,8 +1958,10 @@ static void mt7925_link_info_changed(struct ieee80211_hw *hw,
 	struct mt792x_phy *phy = mt792x_hw_phy(hw);
 	struct mt792x_dev *dev = mt792x_hw_dev(hw);
 	struct mt792x_bss_conf *mconf;
+	struct ieee80211_bss_conf *link_conf;
 
 	mconf = mt792x_vif_to_link(mvif, info->link_id);
+	link_conf = mt792x_vif_to_bss_conf(vif, mconf->link_id);
 
 	mt792x_mutex_acquire(dev);
 
@@ -1997,6 +2003,10 @@ static void mt7925_link_info_changed(struct ieee80211_hw *hw,
 		mvif->mlo_pm_state = MT792x_MLO_CHANGED_PS;
 	}
 
+	if (changed & IEEE80211_CHANCTX_CHANGE_PUNCTURING)
+		mt7925_mcu_set_eht_pp(mvif->phy->mt76, &mconf->mt76,
+				      link_conf, NULL);
+
 	mt792x_mutex_release(dev);
 }
 
diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c
index e61da76b2097..286f602623c0 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c
@@ -2298,6 +2298,40 @@ __mt7925_mcu_alloc_bss_req(struct mt76_dev *dev, struct mt76_vif_link *mvif, int
 	return skb;
 }
 
+static
+void mt7925_mcu_bss_eht_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 :
+						  &link_conf->chanreq.oper;
+
+	struct bss_eht_tlv *req;
+	struct tlv *tlv;
+
+	tlv = mt76_connac_mcu_add_tlv(skb, UNI_BSS_INFO_EHT, sizeof(*req));
+	req = (struct bss_eht_tlv *)tlv;
+	req->is_eth_dscb_present = chandef->punctured ? 1 : 0;
+	req->eht_dis_sub_chan_bitmap = cpu_to_le16(chandef->punctured);
+}
+
+int mt7925_mcu_set_eht_pp(struct mt76_phy *phy, struct mt76_vif_link *mvif,
+			  struct ieee80211_bss_conf *link_conf,
+			  struct ieee80211_chanctx_conf *ctx)
+{
+	struct sk_buff *skb;
+
+	skb = __mt7925_mcu_alloc_bss_req(phy->dev, mvif,
+					 MT7925_BSS_UPDATE_MAX_SIZE);
+	if (IS_ERR(skb))
+		return PTR_ERR(skb);
+
+	mt7925_mcu_bss_eht_tlv(skb, phy, link_conf, ctx);
+
+	return mt76_mcu_skb_send_msg(phy->dev, skb,
+				     MCU_UNI_CMD(BSS_INFO_UPDATE), true);
+}
+
 int mt7925_mcu_set_chctx(struct mt76_phy *phy, struct mt76_vif_link *mvif,
 			 struct ieee80211_bss_conf *link_conf,
 			 struct ieee80211_chanctx_conf *ctx)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7925/mcu.h
index 8ac43feb26d6..d55ea59bda7d 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7925/mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7925/mcu.h
@@ -372,6 +372,19 @@ struct bss_mld_tlv {
 	u8 __rsv[3];
 } __packed;
 
+struct bss_eht_tlv {
+	__le16 tag;
+	__le16 len;
+	u8  is_eht_op_present;
+	u8  is_eth_dscb_present;
+	u8  eht_ctrl;
+	u8  eht_ccfs0;
+	u8  eht_ccfs1;
+	u8  pad1;
+	__le16 eht_dis_sub_chan_bitmap;
+	u8  pad2[4];
+} __packed;
+
 struct sta_rec_ba_uni {
 	__le16 tag;
 	__le16 len;
@@ -642,6 +655,9 @@ int mt7925_mcu_set_radio_en(struct mt792x_phy *phy, bool enable);
 int mt7925_mcu_set_chctx(struct mt76_phy *phy, struct mt76_vif_link *mvif,
 			 struct ieee80211_bss_conf *link_conf,
 			 struct ieee80211_chanctx_conf *ctx);
+int mt7925_mcu_set_eht_pp(struct mt76_phy *phy, struct mt76_vif_link *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,
 				 struct ieee80211_bss_conf *link_conf);