From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gavin McCullagh Subject: Re: reading the tcp headers within the write queue Date: Thu, 13 Dec 2007 19:08:59 +0000 Message-ID: <20071213190859.GW7409@nuim.ie> References: <20071213185626.GV7409@nuim.ie> <20071213.110050.104716141.davem@davemloft.net> Reply-To: Gavin McCullagh Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7BIT Cc: netdev@vger.kernel.org To: David Miller Return-path: Received: from banyan.nuim.ie ([149.157.1.4]:60588 "EHLO mango.nuim.ie" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754414AbXLMTIz (ORCPT ); Thu, 13 Dec 2007 14:08:55 -0500 Content-disposition: inline Received: from boing.hamilton.local ([149.157.192.252]) by mango.nuim.ie (Sun Java(tm) System Messaging Server 6.3-4.01 (built Aug 3 2007; 32bit)) with ESMTP id <0JT0002H056SGY80@mango.nuim.ie> for netdev@vger.kernel.org; Thu, 13 Dec 2007 19:08:52 +0000 (GMT) In-reply-to: <20071213.110050.104716141.davem@davemloft.net> Sender: netdev-owner@vger.kernel.org List-ID: Hi, thanks for the swift reply. On Thu, 13 Dec 2007, David Miller wrote: > > I'm trying to hack together something which will run through the > > retransmit queue looking at the tcp headers. > > The packets in the retransmit queue are headerless, the > header only gets added to clones of the retransmit queue > frames during the actual transmit. Thought that might be it. I presume there isn't any other residue of the tcp options elsewhere, that one could look at when the packet gets acknowledged? I'm particularly interested in the timestamp. > And this question belongs on netdev not linux-net. Oops, sorry. Gavin