From owner-freebsd-net Mon Aug 12 13:21: 1 2002 Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C972A37B400; Mon, 12 Aug 2002 13:20:57 -0700 (PDT) Received: from hotmail.com (f116.law9.hotmail.com [64.4.9.116]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9034E43E42; Mon, 12 Aug 2002 13:20:57 -0700 (PDT) (envelope-from soheil_h_y@hotmail.com) Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Mon, 12 Aug 2002 13:20:57 -0700 Received: from 62.217.121.115 by lw9fd.law9.hotmail.msn.com with HTTP; Mon, 12 Aug 2002 20:20:54 GMT X-Originating-IP: [62.217.121.115] From: "soheil h" To: hsu@FreeBSD.org Cc: freebsd-net@FreeBSD.ORG Subject: Re: TCP CHECKSUM ( emergency ) Date: Tue, 13 Aug 2002 00:50:54 +0430 Mime-Version: 1.0 Content-Type: text/plain; format=flowed Message-ID: X-OriginalArrivalTime: 12 Aug 2002 20:20:57.0594 (UTC) FILETIME=[C4707DA0:01C2423D] Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org i know how easy it is but i use that function i said it doesn't work for me ( th->th_sum = in_cksum(m, len)) i use the TcpCksum (struct ip *) and it doesn't work for us because the FreeBSD mbuf data is not continues and maybe it is fragmented i want to know if the in_cksum i use is correct or not ? if not please verify me how i can correct that and if yes i will try to find any error else ( and of course i am a b.s. student of C.E. 4th term and i will get network class 2 terms later , so i don't have networking assignment but i am so greedy to find anything about TCP/IP that's it ) if you can help me please help!!!!!! thanx >From: Jeffrey Hsu >To: soheil h >Subject: Re: TCP CHECKSUM ( emergency ) >Date: Mon, 12 Aug 2002 13:03:12 -0700 > >Is this for a homework assignment or for work? :-) _________________________________________________________________ MSN Photos is the easiest way to share and print your photos: http://photos.msn.com/support/worldwide.aspx To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message