Date: Mon, 24 Feb 2003 20:46:13 +0100 (CET) From: Harti Brandt <brandt@fokus.fraunhofer.de> To: Hiten Pandya <hiten@unixdaemons.com> Cc: Craig Rodrigues <rodrigc@attbi.com>, freebsd-current@FreeBSD.ORG Subject: Re: Problem with M_COPY_PACKET Message-ID: <20030224204521.G54577@beagle.fokus.gmd.de> In-Reply-To: <20030224191824.GA52283@unixdaemons.com> References: <20030224170702.GA1059@attbi.com> <20030224191824.GA52283@unixdaemons.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Mon, 24 Feb 2003, Hiten Pandya wrote:
HP>Craig Rodrigues (Mon, Feb 24, 2003 at 12:07:02PM -0500) wrote:
HP>> The code in question looks like:
HP>> =========================================================================
HP>> struct mbuf *
HP>> copy_mbuf(struct mbuf *m)
HP>> {
HP>> struct mbuf *new;
HP>>
HP>> MGET(new, M_DONTWAIT, MT_DATA);
HP>> if(new == NULL)
HP>> return NULL;
HP>> if(m->m_flags & M_PKTHDR)
HP>> M_COPY_PKTHDR(new, m);
HP>
HP>What you need, is m_dup_pkthdr(). M_COPY_PKTHDR has been
HP>deprecated for several reasons, that are outlined in the
HP>commit log of rev. 1.109 of sys/sys/mbuf.h.
I wrote that code. It must be a M_MOVE_PKTHDR, because m is just disposed
afterwards.
harti
--
harti brandt, http://www.fokus.gmd.de/research/cc/cats/employees/hartmut.brandt/private
brandt@fokus.fraunhofer.de, harti@freebsd.org
To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-current" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20030224204521.G54577>