From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=91.218.175.121 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792932648; b=1glv6DmpX5KvtI1pPH3flQPR/5tC/ZX7ygCvtD9JauXCDPjpfHNeZCjj0sEHyP5SqpyR 1YSGYBKOno2mSXlkC5raZvMSZQZITAL4JgBj4atLDjbNEYM7T+kI/WxWs+HzIXEoziQyL osbnF0RC3XnOlY5zJqOjzexS0dCp/w2n8X+6h/rv7LALBxYQuL/8Xj597x1YZC4zWw51+ jYiXyRp/4pMxCpL/PCbRBwh6tMbUy3CXxOj8kNsfcCSSe9iFg7DD6tCBo6wNP2nOz+Z/r 2bIgyFiFeZJcENJSr+Xq15oIfkFT5GWihm+YT45uoPZiAZ73d1DmmE5GFdXLUQJlINA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792932648; h=DMARC-Filter:X-Envelope-To:DKIM-Signature:X-Envelope-To:Received: X-Mizu-Trace-ID:X-Migadu-Flow:MIME-Version:Date:Content-Type: Content-Transfer-Encoding:From:Message-ID:TLS-Required:Subject:To:Cc: In-Reply-To:References; bh=cJ51G6pAmia1MscnsYfswwFx5AV+tMo1EILMAOCstQ8=; b=MZ5y6JtSrAi7RLuV9RVeMDjRO5V0vDnrp603Js01sAqhFnrvjUB9qHig33Q+evvvNsKV 5lPMA4cPc3i66sOPjmbZO1mZ2BUSyPdHJXxGv+fGXsqBFBChymeKTQxGqeSORfwFMG0XT OYB8NHyXBrHoBWPrl8kFqlZg2rSiVKRt3+FFOs2VHANovjDsn68Pxf/SmGwXn3/YRfCJs 7c9wxe2k4E7y90jCiloNq50YcK3s445AZ1dGn0SsNHLgVKNdQONmS1UbWpBe2qBeDIE1q /5V7SjmAd+8PYri0+o2J88DrQqIvoreceimUCwf1rDdB6QaznzhiJiUWeF0JRFFeCCQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=o+YFH6E9; arc=none smtp.remote-ip=91.218.175.121 Received: from mta0.migadu.com (out-121.mta0.migadu.com [91.218.175.121]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9FDBC606A31B for ; Sun, 25 Oct 2026 12:50:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 9FDBC606A31B Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=o+YFH6E9 X-Envelope-To: linux-kernel@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=cJ51G6pAmia1MscnsYfswwFx5AV+tMo1EILMAOCstQ8=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1792932644; v=1; x=1793537444; b=o+YFH6E9hiMwoIwgOfBft1tB5r961JEuD65rDfF3YtfUMmX6O4NIQpOnQePRR3GVb1ztPkX/ 4skmivJOk4Gn90Q/0rHr87Mzi74KlMXeRfqgsJ04BAsfMCVmVaIazvLTgY8jLWHNZTr/jCAwrhm F0FXmzvOlNhG481S+g42FjA8= X-Envelope-To: linux-kernel@vger.kernel.org Received: by smtp.migadu.com with ESMTPS id ebc4431b16746fed; Sun, 25 Oct 2026 12:50:44 +0000 X-Mizu-Trace-ID: ebc4431b16746fed X-Migadu-Flow: FLOW_OUT X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Date: Sun, 25 Oct 2026 12:50:44 +0000 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable From: "Luka Gejak" Message-ID: <3d046336002a182f7751814750ddc522a53968e1@linux.dev> TLS-Required: No Subject: Re: [PATCH rtw-next v8 3/3] wifi: rtw88: time the countdown downloads from the TBTT To: "Mehmet Fide" , "Ping-Ke Shih" Cc: "Bitterblue Smith" , linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, mehmet.fide@screeningeagle.com In-Reply-To: <20261021114543.4132776-4-mehmet.fide@gmail.com> References: <20261021114543.4132776-1-mehmet.fide@gmail.com> <20261021114543.4132776-4-mehmet.fide@gmail.com> October 21, 2026 at 1:45 PM, "Mehmet Fide" wrote: >=20 >=20From: Mehmet Fide >=20 >=20The countdown downloads are queued one beacon interval apart, with no > relation to the TBTT. A download that runs late past the next TBTT > leaves a count out of the air. >=20 >=20Queue each download 10 ms after the next TBTT, read from the TSF, so = it > may run late by almost a beacon interval; a later one is followed by > the next at once. A TSF jump, an IBSS merge or a reset, restarts the > schedule from the next TBTT. >=20 >=20A TBTT just before the start may already have sent the first count; i= t > is taken as the one that did, so no count is sent twice. >=20 >=20The USB chips raise no TBTT interrupt, so the TSF register is read. T= he > beaconing interface is always on port 0: rtw_core_port_switch() moves > an AP there, an IBSS runs alone. >=20 >=20Signed-off-by: Mehmet Fide Looking good to me. Reviewed-by: Luka Gejak Best regards, Luka Gejak