From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-it0-x242.google.com (mail-it0-x242.google.com [IPv6:2607:f8b0:4001:c0b::242]) (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 5D5A63B25E for ; Wed, 10 Aug 2016 13:06:37 -0400 (EDT) Received: by mail-it0-x242.google.com with SMTP id f6so3402033ith.2 for ; Wed, 10 Aug 2016 10:06:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=ThgKxCdNXnTWR4wIZ1qkzuVLzg1tWLP8wWtl0CA5jMk=; b=qmfjuuCXHCcZzmRp5R7oP5SaTtzppQxpP/xtc8B9RjVjt5ggj70qjN7G6Ranrnw/IY Hs39o59bIntWSjnCDtQv8hcwMWNG9DOYe3QMVLqFkEVbpPs6ToR8X2gNRDi7aAf9DqmY K8ob8d/ux4g7jyiWC5SeuHugP3gFtzzONHSYSdftgIDrdDAJzK3U0ORsE+o0xfA4SU+K pPV8L+HFmbTcpuU6Ic6wY7Nw1SRxyvtvfhSclqA/K/HA6sPozP291GrcI6OoKCTPNAfu gHKT2N0EEf4PtHTBfxqqUNUzWhuWYqfgxAhaMZFjBhWibf2wz8QwjgcBPT1js8iVkT1b PtuA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=ThgKxCdNXnTWR4wIZ1qkzuVLzg1tWLP8wWtl0CA5jMk=; b=fMtYUpQDhbdxki+t5zQuHbZolmQVBWjg7vfwGuKQ42lPaHam0H/D7voor9Efr+hiis jK2OMtRAc+MnJg89OlJZjs50u9laXi1Xe1rU6jnMi6R3BIk1Pebgq86a6/U4fvGPYJUq NjgV+C0s7SvxIrC6NjgTl/uaQFHKRTJMgYOdtNVJYebzZm+QdWSCl5NyO0fKq/Bhdtyg glJ9zWS4FNT5ZcgGDOWnviUiOD2FH76R1uPsGj24B3DLR0I0mEqo8NTYa60RMshFdJ89 jPlDetz4+Zhqyh+fOAVZIq0CWvvtcjLUTuxNEVLsS0gnnJHoIWloeHwjIwiqUVjOXDOm Qz0g== X-Gm-Message-State: AEkoouv96ucMDV4/vu+F8WTbY6oOZSojyVRfPnWVDYwHRLk9MoFr8H9xMgyRMyMNh1rTaHQoXHiMQ6vyBHYiLQ== X-Received: by 10.36.37.146 with SMTP id g140mr4523479itg.58.1470848796884; Wed, 10 Aug 2016 10:06:36 -0700 (PDT) MIME-Version: 1.0 Received: by 10.36.13.200 with HTTP; Wed, 10 Aug 2016 10:06:36 -0700 (PDT) In-Reply-To: <344442FE-A3F0-4008-8D3D-11B036338BFA@toke.dk> References: <8760r8bwxm.fsf@toke.dk> <344442FE-A3F0-4008-8D3D-11B036338BFA@toke.dk> From: Dave Taht Date: Wed, 10 Aug 2016 19:06:36 +0200 Message-ID: To: =?UTF-8?B?VG9rZSBIw7hpbGFuZC1Kw7hyZ2Vuc2Vu?= Cc: Michal Kazior , make-wifi-fast@lists.bufferbloat.net Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [Make-wifi-fast] Carrying the CoDel timestamp into the driver 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: Wed, 10 Aug 2016 17:06:37 -0000 There is (and has always been) the underutilized skb->tstamp pointer in the skb itself. http://lxr.free-electrons.com/source/include/linux/skbuff.h#L416 On Wed, Aug 10, 2016 at 6:06 PM, Toke H=C3=B8iland-J=C3=B8rgensen wrote: > > > On 10 August 2016 18:01:51 CEST, Michal Kazior = wrote: >>On 10 August 2016 at 17:41, Toke H=C3=B8iland-J=C3=B8rgensen >>wrote: >>> Exactly why is it we can't just grow tx_info by a couple of bytes? >> >>Since it's stored in the inline buffer sk_buff->cb[] it's limited to >>its size. > > Right, noted. Thanks! :) > > -Toke >> >> >>Micha=C5=82 > _______________________________________________ > Make-wifi-fast mailing list > Make-wifi-fast@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/make-wifi-fast --=20 Dave T=C3=A4ht Let's go make home routers and wifi faster! With better software! http://blog.cerowrt.org