From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) (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 263B63F787E; Fri, 14 Aug 2026 07:16:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=211.75.126.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786691767; cv=none; b=P3Q5EHpfXyLJIQAGauVk5XmarlTLDrqydHAS0SIb5gIeHPY3JXgGqpMUfAx7tibSSk8rYZAzkkvw8kPvGJlpHOtgavMucfK2W+OmCelavbSOHmltFvH64Xhcn/Or52tUk28l/sXbF8LXK4vNnYrribV10DezUvJEiOG1lGDgmoU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786691767; c=relaxed/simple; bh=QQppTWXtC2uDl+i0fA+WpcSUefneuqQWWt/bwNeV9yE=; h=From:To:CC:Subject:Date:Message-ID:References:In-Reply-To: Content-Type:MIME-Version; b=ol6CY5mBa8esZFoVGoj0DSuK5wZ3u3mB6Ih3N4KK8990UbLYT2osGT22JpNcxBt20Xi7yYCzSKMOZbeOAYARnNBPi546fGUSxoXUaIOjzwDty3zj9uZbGKZZqRu7GzY0K8usXpBsOb8MIF1StvpjUPA+WGVKey8fTgb7P7M2tmg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=realtek.com; spf=pass smtp.mailfrom=realtek.com; dkim=pass (2048-bit key) header.d=realtek.com header.i=@realtek.com header.b=qLigrhpm; arc=none smtp.client-ip=211.75.126.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=realtek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=realtek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=realtek.com header.i=@realtek.com header.b="qLigrhpm" X-SpamFilter-By: ArmorX SpamTrap 5.80 with qID 67E7FoloE1059115, This message is accepted by code: ctloc85258 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=realtek.com; s=dkim; t=1786691750; bh=QQppTWXtC2uDl+i0fA+WpcSUefneuqQWWt/bwNeV9yE=; h=From:To:CC:Subject:Date:Message-ID:References:In-Reply-To: Content-Type:Content-Transfer-Encoding:MIME-Version; b=qLigrhpmML7LCXgL2Z6Zlyje/Vbz86855UrT+nUKID1WuZjxCgegpT3ePLNOI8/+a APRf5UnwK+o+dfL7/OSShOpKl5HKYxDG8MrFtNUCNKq2WtGcApX7/4xg63Mb8Ia0An //3aoiecXlMUZ9qMmvcEikUBMefYCt35DOgs68Z/+QRx4iO6ZNB/fAblYY1V1vn6g9 mTz/hf6hqiC+1nPWCq65LmhOrgZ60o8QPgs0ZAygNUdSFwI2YlOuXabIq6kKNwrOKD srdQSyqOrF1YM/z7Q6B0T+5K3s66GYyPGlGYNIdtgxV0ryI2j65EdyFuMPWodJ8x60 vyzHIMMuJGK8w== Received: from mail.realtek.com (rtkexhmbs02.realtek.com.tw[172.21.6.41]) by rtits2.realtek.com.tw (8.15.2/3.29/5.94) with ESMTPS id 67E7FoloE1059115 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 14 Aug 2026 15:15:50 +0800 Received: from RTKEXHMBS06.realtek.com.tw (10.21.1.56) by RTKEXHMBS02.realtek.com.tw (172.21.6.41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.43; Fri, 14 Aug 2026 15:15:50 +0800 Received: from RTKEXHMBS06.realtek.com.tw (10.21.1.56) by RTKEXHMBS06.realtek.com.tw (10.21.1.56) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.43; Fri, 14 Aug 2026 15:15:50 +0800 Received: from RTKEXHMBS06.realtek.com.tw ([::1]) by RTKEXHMBS06.realtek.com.tw ([fe80::126f:59ad:658:674d%10]) with mapi id 15.02.2562.043; Fri, 14 Aug 2026 15:15:50 +0800 From: Ping-Ke Shih To: "luka.gejak@linux.dev" , "linux-wireless@vger.kernel.org" CC: "linux-kernel@vger.kernel.org" , "Michael Straube" , Bitterblue Smith , Peter Robinson , "Hans de Goede" Subject: RE: [PATCH v4 3/7] wifi: rtw88: tx: extend the TX report purge timeout to RTL8723BS Thread-Topic: [PATCH v4 3/7] wifi: rtw88: tx: extend the TX report purge timeout to RTL8723BS Thread-Index: AQHdKXGnGNHlxQl6E0aylFc7HbAFa7adJntQ Date: Fri, 14 Aug 2026 07:15:50 +0000 Message-ID: References: <20260811091203.26841-1-luka.gejak@linux.dev> <20260811091203.26841-4-luka.gejak@linux.dev> In-Reply-To: <20260811091203.26841-4-luka.gejak@linux.dev> Accept-Language: en-US, zh-TW Content-Language: zh-TW Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 luka.gejak@linux.dev wrote: > From: Luka Gejak >=20 > Commit c80788f7c5ae ("wifi: rtw88: increase TX report timeout to fix > race condition") raised the purge timeout to 2500 ms for the RTL8723DU, > because the firmware can stay off channel during background scans for > longer than the 500 ms default, which delays the TX reports and lets the > purge timer drop the tracking skbs. The host stack then reads the missing > status as loss and collapses TCP throughput. >=20 > The RTL8723BS runs the same vendor firmware over a slower SDIO host and > hits the same race. Testers on ARM SDIO boards see "failed to get tx > report from firmware" under load, with the same throughput collapse. > Extend the 2500 ms timeout to the RTL8723BS. >=20 > Reported-by: Peter Robinson > Closes: > https://lore.kernel.org/all/CALeDE9PgQmpMfDt1DgfLD4tBFGH0MZ7GncV6RUEOHhHb= KF+TdQ@mail.gmail.com/ > Signed-off-by: Luka Gejak Acked-by: Ping-Ke Shih