From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0EDFA27FD7C for ; Tue, 25 Nov 2025 03:47:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.61.82.184 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764042455; cv=none; b=PpNqQIJ2eXgHxLOGN3t4qFxE/A5zsYgeZUk4L9YbxusYrRoZf1jMq+9q7DEIrmj8Q3cUNCeBVGoI/eS5rg4m+txVLDH7B5pFnYUMsuDEyL5jXFMbFsw2Mr7YCG4BR6kop9ibx3bud9BBTbPpjwhkGn/H3F1i4q7y8nyQhmeezlM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764042455; c=relaxed/simple; bh=HO9iZ8m7DBu3VzsVTezXz1sFaVALDlXga7iihLoNQaQ=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=akM+7xm6S1kOjVKZ+gTYQAQqVQE7ZUNFMK5UMX22panRWKGjgeVVwd1+Tl/bMox45U1CISW2CX85KMqCvjUFT8kiM0aFbTPC0qh/HKe33xeJnCDUJOhJfVi6+6bfexMxm2qfB7howWLRj/RQnXDPc4Ot0q0dGrLU5FMSwbXCFQU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com; spf=pass smtp.mailfrom=mediatek.com; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b=W8K316VD; arc=none smtp.client-ip=210.61.82.184 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mediatek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="W8K316VD" X-UUID: 74be675cc9b111f0b33aeb1e7f16c2b6-20251125 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=1Y/PI2A3oeyS15yxpv+6ssIPwevk/9gAcNFTpTMuK/c=; b=W8K316VDIzk7+45T99UMGNf897AEq4IbLuzuq6tVWKNbpK4joON6Ine4y9wV09Mf7/PVyL8hOKnQiYKT3/N+/lMPlheNpvRWr8t5QbNE6rN4QzszKVmR/wx1NMzUvZSKIYyC5vpaDpSyFPYRy4kyHlSn/LhrFG8JOGkT5UAx6JE=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.6,REQID:daff87cf-275f-4d20-8b24-bb785bc30d65,IP:0,UR L:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION:r elease,TS:0 X-CID-META: VersionHash:a9d874c,CLOUDID:66152abb-0c02-41a0-92a3-94dc7dc7eeca,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:81|82|102|836|888|898,TC:-5,Content: 0|15|50,EDM:-3,IP:nil,URL:0,File:130,RT:0,Bulk:nil,QS:nil,BEC:nil,COL:0,OS I:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: 74be675cc9b111f0b33aeb1e7f16c2b6-20251125 Received: from mtkmbs09n1.mediatek.inc [(172.21.101.35)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1305475201; Tue, 25 Nov 2025 11:47:25 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.26; Tue, 25 Nov 2025 11:47:24 +0800 Received: from mtksitap99.mediatek.inc (10.233.130.16) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1748.26 via Frontend Transport; Tue, 25 Nov 2025 11:47:24 +0800 From: Shayne Chen To: Felix Fietkau CC: linux-wireless , Lorenzo Bianconi , Ryder Lee , Evelyn Tsai , linux-mediatek , StanleyYP Wang , Shayne Chen Subject: [PATCH mt76 3/7] wifi: mt76: mt7996: set specific BSSINFO and STAREC commands after channel switch Date: Tue, 25 Nov 2025 11:46:35 +0800 Message-ID: <20251125034639.1416214-3-shayne.chen@mediatek.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20251125034639.1416214-1-shayne.chen@mediatek.com> References: <20251125034639.1416214-1-shayne.chen@mediatek.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-MTK: N From: StanleyYP Wang After channel switch, some tags of BSSINFO (rfch) and STAREC (bfer, rate_ctrl) commands should also be updated. Otherwise, a BSS might not be able to transmit with its peer using correct bandwidth. Co-developed-by: Shayne Chen Signed-off-by: Shayne Chen Signed-off-by: StanleyYP Wang --- .../net/wireless/mediatek/mt76/mt7996/main.c | 14 ++++- .../net/wireless/mediatek/mt76/mt7996/mcu.c | 59 +++++++++++++++++++ .../wireless/mediatek/mt76/mt7996/mt7996.h | 3 + 3 files changed, 75 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/main.c b/drivers/net/wireless/mediatek/mt76/mt7996/main.c index 18c6cdaae20b..afc0ca3f3939 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/main.c @@ -962,12 +962,24 @@ mt7996_post_channel_switch(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct cfg80211_chan_def *chandef = &link_conf->chanreq.oper; struct mt7996_dev *dev = mt7996_hw_dev(hw); struct mt7996_phy *phy = mt7996_band_phy(dev, chandef->chan->band); - int ret; + struct mt7996_vif_link *link; + int ret = -EINVAL; mutex_lock(&dev->mt76.mutex); + link = mt7996_vif_conf_link(dev, vif, link_conf); + if (!link) + goto out; + + ret = mt7996_mcu_update_bss_rfch(phy, link); + if (ret) + goto out; + + ieee80211_iterate_stations_mtx(hw, mt7996_mcu_update_sta_rec_bw, link); + ret = mt7996_mcu_rdd_resume_tx(phy); +out: mutex_unlock(&dev->mt76.mutex); return ret; diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c index c18c809ac77a..8f2b3f4f25ab 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c @@ -1231,6 +1231,22 @@ int mt7996_mcu_add_bss_info(struct mt7996_phy *phy, struct ieee80211_vif *vif, MCU_WMWA_UNI_CMD(BSS_INFO_UPDATE), true); } +int mt7996_mcu_update_bss_rfch(struct mt7996_phy *phy, struct mt7996_vif_link *link) +{ + struct mt7996_dev *dev = phy->dev; + struct sk_buff *skb; + + skb = __mt7996_mcu_alloc_bss_req(&dev->mt76, &link->mt76, + MT7996_BSS_UPDATE_MAX_SIZE); + if (IS_ERR(skb)) + return PTR_ERR(skb); + + mt7996_mcu_bss_rfch_tlv(skb, phy); + + return mt76_mcu_skb_send_msg(&dev->mt76, skb, + MCU_WMWA_UNI_CMD(BSS_INFO_UPDATE), true); +} + int mt7996_mcu_set_timing(struct mt7996_phy *phy, struct ieee80211_vif *vif, struct ieee80211_bss_conf *link_conf) { @@ -2590,6 +2606,49 @@ int mt7996_mcu_teardown_mld_sta(struct mt7996_dev *dev, MCU_WMWA_UNI_CMD(STA_REC_UPDATE), true); } +void mt7996_mcu_update_sta_rec_bw(void *data, struct ieee80211_sta *sta) +{ + struct mt7996_vif_link *link = (struct mt7996_vif_link *)data; + struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; + struct mt7996_sta_link *msta_link; + struct mt7996_dev *dev; + struct ieee80211_bss_conf *link_conf; + struct ieee80211_link_sta *link_sta; + struct ieee80211_vif *vif; + struct sk_buff *skb; + int link_id; + + if (link->mt76.mvif != &msta->vif->mt76) + return; + + dev = link->phy->dev; + link_id = link->msta_link.wcid.link_id; + link_sta = link_sta_dereference_protected(sta, link_id); + if (!link_sta) + return; + + msta_link = mt76_dereference(msta->link[link_id], &dev->mt76); + if (!msta_link) + return; + + vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv); + link_conf = link_conf_dereference_protected(vif, link_id); + if (!link_conf) + return; + + skb = __mt76_connac_mcu_alloc_sta_req(&dev->mt76, &link->mt76, + &msta_link->wcid, + MT7996_STA_UPDATE_MAX_SIZE); + if (IS_ERR(skb)) + return; + + mt7996_mcu_sta_bfer_tlv(dev, skb, link_conf, link_sta, link); + mt7996_mcu_sta_rate_ctrl_tlv(skb, dev, vif, link_conf, link_sta, link); + + mt76_mcu_skb_send_msg(&dev->mt76, skb, + MCU_WMWA_UNI_CMD(STA_REC_UPDATE), true); +} + static int mt7996_mcu_sta_key_tlv(struct mt76_dev *dev, struct mt76_wcid *wcid, struct sk_buff *skb, diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h b/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h index d31864f973cc..8f1043159f58 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h @@ -670,6 +670,8 @@ int mt7996_mcu_add_bss_info(struct mt7996_phy *phy, struct ieee80211_vif *vif, struct ieee80211_bss_conf *link_conf, struct mt76_vif_link *mlink, struct mt7996_sta_link *msta_link, int enable); +int mt7996_mcu_update_bss_rfch(struct mt7996_phy *phy, + struct mt7996_vif_link *link); int mt7996_mcu_add_sta(struct mt7996_dev *dev, struct ieee80211_bss_conf *link_conf, struct ieee80211_link_sta *link_sta, @@ -679,6 +681,7 @@ int mt7996_mcu_add_sta(struct mt7996_dev *dev, int mt7996_mcu_teardown_mld_sta(struct mt7996_dev *dev, struct mt7996_vif_link *link, struct mt7996_sta_link *msta_link); +void mt7996_mcu_update_sta_rec_bw(void *data, struct ieee80211_sta *sta); int mt7996_mcu_add_tx_ba(struct mt7996_dev *dev, struct ieee80211_ampdu_params *params, struct ieee80211_vif *vif, bool enable); -- 2.51.0