Date: Mon, 19 Nov 2012 15:45:10 +0400 From: Gleb Smirnoff <glebius@FreeBSD.org> To: Andre Oppermann <andre@FreeBSD.org> Cc: src-committers@FreeBSD.org, svn-src-user@FreeBSD.org Subject: Re: svn commit: r243215 - user/andre/tcp_workqueue/sys/sys Message-ID: <20121119114510.GQ38060@FreeBSD.org> In-Reply-To: <201211181217.qAICH7aH021497@svn.freebsd.org> References: <201211181217.qAICH7aH021497@svn.freebsd.org>
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On Sun, Nov 18, 2012 at 12:17:07PM +0000, Andre Oppermann wrote: A> Author: andre A> Date: Sun Nov 18 12:17:07 2012 A> New Revision: 243215 A> URL: http://svnweb.freebsd.org/changeset/base/243215 A> A> Log: A> Add mtodo(m, o, t) macro taking an additional offset into A> the mbuf data section before the casting to type 't'. IMHO, argument order of (m, t, o) is more intuitive, since matches order of mtod(). A> A> Modified: A> user/andre/tcp_workqueue/sys/sys/mbuf.h A> A> Modified: user/andre/tcp_workqueue/sys/sys/mbuf.h A> ============================================================================== A> --- user/andre/tcp_workqueue/sys/sys/mbuf.h Sun Nov 18 12:16:50 2012 (r243214) A> +++ user/andre/tcp_workqueue/sys/sys/mbuf.h Sun Nov 18 12:17:07 2012 (r243215) A> @@ -64,8 +64,10 @@ A> * type: A> * A> * mtod(m, t) -- Convert mbuf pointer to data pointer of correct type. A> + * mtodo(m, o, t) - Same as above but with offset 'o' into data. A> */ A> #define mtod(m, t) ((t)((m)->m_data)) A> +#define mtodo(m, o, t) ((t)(((m)->m_data) + (o))) A> A> /* A> * Argument structure passed to UMA routines during mbuf and packet -- Totus tuus, Glebius.
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