From owner-svn-src-all@FreeBSD.ORG Sat Nov 2 09:44:47 2013 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id ABB487AC; Sat, 2 Nov 2013 09:44:47 +0000 (UTC) (envelope-from mark@grondar.org) Received: from gromit.grondar.org (grandfather.grondar.org [IPv6:2a01:348:0:15:5d59:5c20:0:2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 6C47B2B7E; Sat, 2 Nov 2013 09:44:47 +0000 (UTC) Received: from [2001:470:9174:1:c021:148:e570:f34] by gromit.grondar.org with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.80.1 (FreeBSD)) (envelope-from ) id 1VcXl3-00013d-V2; Sat, 02 Nov 2013 09:44:46 +0000 Content-Type: multipart/signed; boundary="Apple-Mail=_199210A0-8E49-4AAA-A47D-DC2B5E5743B7"; protocol="application/pgp-signature"; micalg=pgp-sha512 Mime-Version: 1.0 (Mac OS X Mail 7.0 \(1816\)) Subject: Re: svn commit: r257535 - head/sys/netgraph From: Mark R V Murray In-Reply-To: <76BC3F76-ED5E-42F0-BCCE-271EA723698E@grondar.org> Date: Sat, 2 Nov 2013 09:44:33 +0000 Message-Id: <0FD2B8FA-7DD7-4626-95F6-BB64B648E81A@grondar.org> References: <201311020011.rA20BchL020170@svn.freebsd.org> <20131102151309.A1102@besplex.bde.org> <76BC3F76-ED5E-42F0-BCCE-271EA723698E@grondar.org> To: Mark Robert Vaughan Murray X-Mailer: Apple Mail (2.1816) X-SA-Score: -1.0 Cc: "svn-src-head@freebsd.org" , Adrian Chadd , "src-committers@freebsd.org" , "svn-src-all@freebsd.org" , Bruce Evans X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 02 Nov 2013 09:44:47 -0000 --Apple-Mail=_199210A0-8E49-4AAA-A47D-DC2B5E5743B7 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=windows-1252 On 2 Nov 2013, at 09:32, Mark R V Murray wrote: >> Mark - did you initially mean the address of the mbuf m_data pointer, >> or the data payload itself? >=20 > As Bruce says - the address of payload data itself. We don=92t have = 12-byte pointers in FreeBSD. :-) Cancel that. The address passed must be the address of the m_data field in the mbuf = structure. The harvested data is 12 bytes from that address forward, so = not the data pointed to by that m_data pointer but the pointer value = itself and some following junk too. M --=20 Mark R V Murray --Apple-Mail=_199210A0-8E49-4AAA-A47D-DC2B5E5743B7 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.22 (Darwin) Comment: GPGTools - http://gpgtools.org iQCVAwUBUnTJh958vKOKE6LNAQpT2AP+MV+RCbJpd+3f4QAZnnZIv1Nb6yNxaxUS RE/31m66asSazJIDPnyeGMVxSddFbxeuzantjIzdkIZr/VfnnS/rxey8MUdNdW0l Pq9HJuudfYwJ+RBWXoNnGtaj9CJL/Wd8ErtBjCwAlM+m7o/boktpykyUE9oILw5q CdD2ss9lpGg= =IsJ9 -----END PGP SIGNATURE----- --Apple-Mail=_199210A0-8E49-4AAA-A47D-DC2B5E5743B7--