From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.gmx.net (mout.gmx.net [212.227.17.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 4CA6D3CB3C for ; Sat, 19 Oct 2019 07:37:23 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1571485032; bh=1qSQayiGtt+5LajA73P97CEy3JdrByfc34I6SXGBu2M=; h=X-UI-Sender-Class:Subject:From:In-Reply-To:Date:Cc:References:To; b=DkRPB/yWiQ1sRbNMpFnkNQusgmTpd9tixZ7F8bE082QxKNRFyVTkd+zvqiaAMSUEY huzI54Aqhh90xfz4WnkwMnJ75MNT1dA/+jWYuD+1k3+2vi0vuNds8kQLQyiF5ZqJB7 vpDjbrtSVZu6gCIQnLdPNlwBf8cl1JW88R/6n2KM= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from hms-beagle2.lan ([77.10.105.152]) by mail.gmx.com (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MOzOm-1igbgh3iRw-00PKUK; Sat, 19 Oct 2019 13:37:11 +0200 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.11\)) From: Sebastian Moeller In-Reply-To: <32a96b6ad48387876b7125adba147578564d297a.camel@sipsolutions.net> Date: Sat, 19 Oct 2019 13:37:07 +0200 Cc: Kan Yan , =?utf-8?Q?Toke_H=C3=B8iland-J=C3=B8rgensen?= , Make-Wifi-fast Content-Transfer-Encoding: quoted-printable Message-Id: <661B8FD5-510B-4DC5-A080-F04CA1C10C71@gmx.de> References: <157115993755.2500430.12214017471129215800.stgit@toke.dk> <157115994190.2500430.14955682016008497593.stgit@toke.dk> <87o8yfg0zo.fsf@toke.dk> <751EA059-654B-4E06-A3D6-C727FE1FCE98@gmx.de> <87lftjfz51.fsf@toke.dk> <18FC6F1D-084C-44BD-87E7-C9F394D6FCD1@gmx.de> <32a96b6ad48387876b7125adba147578564d297a.camel@sipsolutions.net> To: Johannes Berg X-Mailer: Apple Mail (2.3445.104.11) X-Provags-ID: V03:K1:m5vCadbQUduQv8+Kf4QtR4R1mhpv7XSIXeb5kIYObiQ1BA89Cpa OIGJVJuw5rykrdD5oe26YmSjvF9GGeiS4zktbcIJr0V9/9bjQ0dwpwRosJmw2h4JBHsWa7+ knw02caK1Qj9KY0He3kxNPKNJo4MxU/BfDPg4SPo3X4Td5lTJ78+IgxEMGIWTkGIog3sES2 ZLy/qhG8+x/GG7v2zyW8A== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:IEca1GGtwzA=:qPwwhL/xmKNS3hbwy/9wCf z9a4t5852oGBo3QBzzGIzAvuHAetufxYhuGK1xJ5k7YmKmq/qVnKJYQn6cgyOMrQQRhy1haYq vqshfDa5hcE65l5177v9BwT4j0wjKPirHYnh0GLX9UMr9VnThzKsCKtHxtKfLfWex8lRTD+W/ 0e96bf1hy9vPhLcHWHSzjOA1VAHdEryoXdB98s6XmpkAYSzBlVbioi+QGzo2dNnbL5P1WiY5A ED1QI3OzPhC2tH29rGtZciDpAkMNOTSwaS9+QlvExXaMhld3+ydkeS+rAu4ZPlKdYwVeWyJoj I6nvT1BYwN1aMtiBsmHmUjSHmzUfvsP1SKkO2f2rGLYVf1KbvU710633rojx6OsdtVN3Sz2x8 naW+Rgp7cw2Opa6KLUhKsobn9OA5QFA4GAprgVWofTOS9UvEl8hZZXr0LKh0S+My/3wSGKBsV u3ZYyVNpLgVAOTOLuzcN9p4hJYfD8nLaItNTr5jjxl2ro43TfL8IZru9cedrPBGq39mgzV2dJ rxEZVAwqKm+tmFBg1MU9djCsu9iMRoeEWrUwNScH6NBJtOe4RsSOK5gWYeCweM8sS42/CmL8C YYsJ8v8yKnyCYJAkfu1pL25ecq92jvkG9kdTAiszStxQbMmAVB44oIl6JY4YnAW5YV9zR15GP tPCrXB4UZh7vvY9pAWxbBlfDG0jK8pyiF6CS6JPVXa28o/LPSTImzWfdXQpVS6U6G0RIHAxOQ CHU/0fGaGNYz14b+oDKA8s2xrCKZWs0yof0nZtyt4zh1f5/WTJwxaIpTyGqLTYWbVbGlPjses A0BBdOoJFi+Y1yi6pDHUDIb3YQVKikMPVX+q5De6ZRQly4p1XbDGxJybGyXULsG7Wy6f5fpFv CvmckMS8+6Y9jXlYrFUg+aeOaof/n1CqvLOH507Q6SVmfjgkviyDYrgMVEC7p73dJvljWyGbS lqYv0UsHxNqdA7Gk3wcFCqmauf8Fa7DdkQYQlvmtl09uxifGZpbIguVLhfPfRhOjwzXzE4ZbX nrTYCgFf8kNGwSmhr8wRKQHAX5gniXrUCbMWOInDlXl2IwaDVG4RizdRweYw8vgWaQweJw0zC QUlFMugRCdBLTXF+QhgMzHRvhLNOOKuf1ltMdpdrnQisXshbHawlVUEwxekvEkTH+I/J3mjZV TRRKBsK4xqiLQOXY+MnByFUIqdTEHQj95fQQEniog94Kk9m4fHZfNNk5dzX0Lyhl6Eb68NoPR RMAEkAZrEuCJMvDqfEPTnpNsSHU/KRZ7+K7YzkjFqQcXVq53s1SK1n8UxA/E= Subject: Re: [Make-wifi-fast] [PATCH v2 4/4] mac80211: Use Airtime-based Queue Limits (AQL) on packet dequeue X-BeenThere: make-wifi-fast@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 19 Oct 2019 11:37:23 -0000 > On Oct 18, 2019, at 16:15, Johannes Berg = wrote: >=20 > On Thu, 2019-10-17 at 18:11 -0700, Kan Yan wrote: >> I don't think it is hard to take care of extra header size for frames >> with VLAN tags >=20 > VLAN tags are payload as far as wifi is concerned, so no need to take > that into account ... Ah, good to know; but just out of curiosity is any of the = following 7 Byte Preamble + 1 Byte start of frame delimiter (SFD) + 12 = Byte inter frame gap (IFG) actually packaged into ethernet frames inside = 802.11 packets? I would have guessed that at least the IFG would be = dropped as it does not really exist as "data"? I realise that for the intended purpose of airtime fairness = over-estinating the overhead is more benign than under-estimating it, so = I really only am curious about what ends up on the wifi packets data = payload. Best Regards Sebastian P.S.: I shortened the CC list, as I am sure the interest in the extent = of my lack of knowledge is limited... >=20 > johannes >=20 >=20