From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f50.google.com (mail-ot1-f50.google.com [209.85.210.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A3418303C83 for ; Sat, 25 Apr 2026 19:50:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.50 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777146634; cv=none; b=LYsuGnNJSusxILXPA2MQjtdUThy7tlHhq7koTJ1ypCaQQM8Kt9bduWGMqv2SNWFi9O0ZXPRFnkM/dPWa508hQ86FVDMs0ALrmeWrp6k+A69Ih3R9vKHgIppN+ia2RbavW9r61jJk4LUiAKLcDPnTNpD8dVFWXESgmQ04d+pj9aA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777146634; c=relaxed/simple; bh=MKqoCsZkghbtchZexPSDVOF3wVjvdBWci+Bh0pEjIP4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Oiikd5W9v010vRMrjSNJ+ODXCmxL/l9Az+w23t3oZbFb/A8yPyo5QcfHLD7ZPhWzksa7sUC5pt3zYxeMTtDkUSmCmgvIZlSWYL5//j+GgWQ/XIDl6eadUv+uOHjgHFQGUOGBQum8TWozpyvSvWYcy5ya+YiguqzLHAb/QgHhwkg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=kernel.org; spf=pass smtp.mailfrom=gmail.com; arc=none smtp.client-ip=209.85.210.50 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=kernel.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-ot1-f50.google.com with SMTP id 46e09a7af769-7d1872504cbso7659889a34.0 for ; Sat, 25 Apr 2026 12:50:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777146631; x=1777751431; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=byzvVsEsSYOVH5gPh5T7X/DmHAalyQEftbu3O8NQ380=; b=stltjQv7Az3JVo13tPG/LoDHvrBKnsVJjyFiPzmWHd8aeRhPx1+n7VdxpQB8PI4XQO fYD0hfXvak3bpja6+uDVlTieCbRdKBqivmRb3AcMsLGuHJbm707TZkoS1KafrSz9gBEU k5NNR6RoTx3zRRNZzvJdN1JWzI2cOtHAIHJvDtc+C41cDQwJgLoloYTc1Z949NAlj9uj 2v3BRlfcMTK6PVTaQfx0kp+/qHnJ+rD0j0eArQXGksQH7zrkiJT9N9RUd2LSLh4hpVns ZtgVIrIx1SK5DHSOR6+lUXCt2FzdDoEu5AjWu6fkMhJXA4dFu/G2Ato2mtvv5cVfLquk RXVw== X-Gm-Message-State: AOJu0YwlTC/vMt1L5af2L9wgLkwTnitT/dLYMbdLpgQMUqWzDqX9KYn1 BTJ+JRwiR0qSLh/2Xjps0vImORDjy7zrED5enCvfNf3BQRJTHHz37wfW X-Gm-Gg: AeBDiev/IAzEtQ4WJxviFokzDUpOT+3UPNIeeyS97YMXAgQHi27BCKZR/Zl1m4rgOlo LZX5Y+jfqBLMRtVAtDrT8kVUxziSo/BFMT4UKvD0HGIvUbdQ7m7F3HifLcTJUrJEknM5V8StAZ+ yarZD1BdxauYmnWXj1caEVarpNFd389dvPMXOHMjGVcI43Cw5gSoOTSI8QQCy5zJjHrMtxADJ8m Ma7wKrTBYF8qFf8pU/O5LF08Tw3bpmkgjh/eQXvxsYHjIjgMtOOlecTUh9as0Vxw/gW+IYT1xdp L5FnB3kU5+maKxThHDk9RXKSZwcB5lUeHDFIBsBQZCvi4/cWFpRn7Yq8Ose7Z51Upa71yK7OXit N2RAMlepP0Nwx9o691lvUA/QCSvnrwbgW2CL8/gTyN7gpyMEqYmfho3PgMpgYsXWkC5VsjY+S2A Db2r2jx4EUSg6GW8OHm6yOfM0BCXTOv2gJFqY0xGTB5wfz+Rju18XWUinFROSWkdIPYI4E0cUeQ g== X-Received: by 2002:a05:6830:2784:b0:7db:f286:18ee with SMTP id 46e09a7af769-7dc954ac645mr18252905a34.4.1777146631611; Sat, 25 Apr 2026 12:50:31 -0700 (PDT) Received: from sean-HP-EliteBook-830-G6.attlocal.net ([2600:1702:5083:7610:2e29:c3c3:de27:ce76]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-7dcd164d2c3sm13987624a34.24.2026.04.25.12.50.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 25 Apr 2026 12:50:31 -0700 (PDT) From: Sean Wang To: nbd@nbd.name, lorenzo.bianconi@redhat.com Cc: linux-wireless@vger.kernel.org, linux-mediatek@lists.infradead.org, Javier Tia , =?UTF-8?q?=E5=BC=A0=E6=97=AD=E6=B6=B5?= , Marcin FM , Cristian-Florin Radoi , George Salukvadze , Evgeny Kapusta <3193631@gmail.com>, Samu Toljamo , Ariel Rosenfeld , Chapuis Dario , =?UTF-8?q?Thibaut=20Fran=C3=A7ois?= , Sean Wang Subject: [PATCH v5 02/21] wifi: mt76: mt7925: add 320MHz bandwidth to bss_rlm_tlv Date: Sat, 25 Apr 2026 14:49:52 -0500 Message-ID: <20260425195011.790265-3-sean.wang@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260425195011.790265-1-sean.wang@kernel.org> References: <20260425195011.790265-1-sean.wang@kernel.org> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Javier Tia bss_rlm_tlv() in mt7925_mcu_bss_rlm_tlv() has no case for NL80211_CHAN_WIDTH_320. When associated to a 320MHz BSS, the switch falls through to default and sends bw=0 (CMD_CBW_20MHZ) to firmware via BSS_RLM TLV. Firmware then configures the RX radio for 20MHz and cannot decode the AP's 320MHz frames, resulting in complete data path failure at 320MHz. Add the missing NL80211_CHAN_WIDTH_320 case with CMD_CBW_320MHZ and center_chan2. Tested on ASUS RT-BE92U: 320MHz throughput goes from 0 Mbps to 841 Mbps (iperf3 -t30 -P8), PHY 4803 Mbps EHT-MCS11. Reported-by: 张旭涵 Closes: https://github.com/openwrt/mt76/issues/927 Tested-by: 张旭涵 Tested-by: Marcin FM Tested-by: Cristian-Florin Radoi Tested-by: George Salukvadze Tested-by: Evgeny Kapusta <3193631@gmail.com> Tested-by: Samu Toljamo Tested-by: Ariel Rosenfeld Tested-by: Chapuis Dario Tested-by: Thibaut François Reviewed-by: Sean Wang Signed-off-by: Javier Tia --- drivers/net/wireless/mediatek/mt76/mt7925/mcu.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c index 37cdf3e8a067..016c534f748c 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c @@ -2334,6 +2334,10 @@ void mt7925_mcu_bss_rlm_tlv(struct sk_buff *skb, struct mt76_phy *phy, case NL80211_CHAN_WIDTH_160: req->bw = CMD_CBW_160MHZ; break; + case NL80211_CHAN_WIDTH_320: + req->bw = CMD_CBW_320MHZ; + req->center_chan2 = ieee80211_frequency_to_channel(freq2); + break; case NL80211_CHAN_WIDTH_5: req->bw = CMD_CBW_5MHZ; break; -- 2.43.0