linux-kernel - Re: netfilter: add xt

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Message-ID: <AANLkTi=ffogSPifiTg7tofEvbpFcpAsfM_bm2DCASvs1@mail.gmail.com>
Date:	Mon, 9 Aug 2010 21:52:36 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Eric Dumazet <eric.dumazet@...il.com>,
	Patrick McHardy <kaber@...sh.net>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	netfilter@...r.kernel.org
Subject: Re: netfilter: add xt_cpu match

On Wed, Aug 4, 2010 at 22:11, Linux Kernel Mailing List
<linux-kernel@...r.kernel.org> wrote:
> Gitweb:     http://git.kernel.org/linus/e8648a1fdb54da1f683784b36a17aa65ea56e931
> Commit:     e8648a1fdb54da1f683784b36a17aa65ea56e931
> Parent:     7f1c407579519e71a0dcadc05614fd98acec585e
> Author:     Eric Dumazet <eric.dumazet@...il.com>
> AuthorDate: Fri Jul 23 12:59:36 2010 +0200
> Committer:  Patrick McHardy <kaber@...sh.net>
> CommitDate: Fri Jul 23 12:59:36 2010 +0200
>
>    netfilter: add xt_cpu match
>
>    In some situations a CPU match permits a better spreading of
>    connections, or select targets only for a given cpu.

> --- a/net/netfilter/Kconfig
> +++ b/net/netfilter/Kconfig
> @@ -663,6 +663,15 @@ config NETFILTER_XT_MATCH_CONNTRACK
>
>          To compile it as a module, choose M here.  If unsure, say N.
>
> +config NETFILTER_XT_MATCH_CPU
> +       tristate '"cpu" match support'
> +       depends on NETFILTER_ADVANCED
> +       help
> +         CPU matching allows you to match packets based on the CPU
> +         currently handling the packet.

Shouldn't this depend on SMP? Or does it make sense to have it on UP, too?

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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