Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 29 Jan 2003 02:36:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 29 Jan 2003 02:36:19 -0500 Received: from pizda.ninka.net ([216.101.162.242]:49564 "EHLO pizda.ninka.net") by vger.kernel.org with ESMTP id ; Wed, 29 Jan 2003 02:36:18 -0500 Date: Tue, 28 Jan 2003 23:32:57 -0800 (PST) Message-Id: <20030128.233257.11926946.davem@redhat.com> To: kuznet@ms2.inr.ac.ru Cc: benoit-lists@fb12.de, dada1@cosmosbay.com, cgf@redhat.com, andersg@0x63.nu, lkernel2003@tuxers.net, linux-kernel@vger.kernel.org, tobi@tobi.nu Subject: Re: [TEST FIX] Re: SSH Hangs in 2.5.59 and 2.5.55 but not 2.4.x, From: "David S. Miller" In-Reply-To: <200301290314.GAA31081@sex.inr.ac.ru> References: <20030128.160806.13210372.davem@redhat.com> <200301290314.GAA31081@sex.inr.ac.ru> X-FalunGong: Information control. X-Mailer: Mew version 2.1 on Emacs 21.1 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: kuznet@ms2.inr.ac.ru Date: Wed, 29 Jan 2003 06:14:55 +0300 (MSK) skb->csum is not used inside TCP when skb->ip_summed==CHECKSUM_HW: ... So, it is safe to make skb->ip_summed := CHECKSUM_HW any moment when we are lazy to recalculate checksum. I see, clever trick as I had suspected. Thanks for the explanation. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/