From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michal Simek Subject: Re: ICMP packets - ll_temac with Microblaze Date: Thu, 22 Dec 2011 09:05:13 +0100 Message-ID: <4EF2E4B9.4040504@monstr.eu> References: <4EF1EC28.90008@monstr.eu> <1324483144.2301.17.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <1324487504.2301.36.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <20111221.155520.1406613141134089105.davem@davemloft.net> <4EF2E102.7030008@monstr.eu> <1324540651.2621.44.camel@edumazet-laptop> Reply-To: monstr@monstr.eu Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: David Miller , john.williams@petalogix.com, netdev@vger.kernel.org To: Eric Dumazet Return-path: Received: from mail-ee0-f46.google.com ([74.125.83.46]:51092 "EHLO mail-ee0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752816Ab1LVIFQ (ORCPT ); Thu, 22 Dec 2011 03:05:16 -0500 Received: by eekc4 with SMTP id c4so8198187eek.19 for ; Thu, 22 Dec 2011 00:05:14 -0800 (PST) In-Reply-To: <1324540651.2621.44.camel@edumazet-laptop> Sender: netdev-owner@vger.kernel.org List-ID: Eric Dumazet wrote: > Le jeudi 22 d=C3=A9cembre 2011 =C3=A0 08:49 +0100, Michal Simek a =C3= =A9crit : >> David Miller wrote: >>> From: Eric Dumazet >>> Date: Wed, 21 Dec 2011 18:11:44 +0100 >>> >>>> [PATCH net-next] net: relax rcvbuf limits >>>> >>>> skb->truesize might be big even for a small packet. >>>> >>>> Its even bigger after commit 87fb4b7b533 (net: more accurate skb >>>> truesize) and big MTU. >>>> >>>> We should allow queueing at least one packet per receiver, even wi= th a >>>> low RCVBUF setting. >>>> >>>> Reported-by: Michal Simek >>>> Signed-off-by: Eric Dumazet >>> Applied to net-next, although I was tempted to put it into net. >>> >>> We may end up backporting this into -stable at some point, we'll >>> see. >> Yes, it works. Thanks Eric. >> >> I hope that this patch will be in v3.2. >> >=20 > Thanks for testing ! >=20 > I overlooked fact that commit 87fb4b7b533 was already in 3.2, so yes,= we > probably can push this to 3.2 great. > (By the way, busybox ping probably doesnt work on 3.1 kernel with a > MTU=3D9000 non copybreak driver, so its not a clear 3.2 regression) good to know. Thanks, Michal --=20 Michal Simek, Ing. (M.Eng) w: www.monstr.eu p: +42-0-721842854 Maintainer of Linux kernel 2.6 Microblaze Linux - http://www.monstr.eu/= fdt/ Microblaze U-BOOT custodian