From: Phil Oester <kernel@linuxace.com>
To: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Cc: netfilter-devel@vger.kernel.org
Subject: Re: /proc and/or /sys file to know if ip_tables is there?
Date: Thu, 28 Nov 2013 08:10:53 -0800 [thread overview]
Message-ID: <20131128161053.GA21908@home> (raw)
In-Reply-To: <52971A7C.7000505@linux.intel.com>
On Thu, Nov 28, 2013 at 12:27:08PM +0200, Tomasz Bursztyka wrote:
> Hi,
>
> I need to know reliably at runtime whether or not ip_tables is
> either currently loaded as a module or built-in the kernel.
>
> Testing for /sys/module/ip_tables solves the first issue, but in
> case of built-in it's not usable.
>
> I could check for ip_tables_* symbols in /proc/kallsyms but I guess
> it's not a nice way.
>
> Any other proper way?
[ -f /proc/net/ip_tables_names ]
Although built in components will show up in /sys/module/ also.
Phil
next prev parent reply other threads:[~2013-11-28 16:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-28 10:27 /proc and/or /sys file to know if ip_tables is there? Tomasz Bursztyka
2013-11-28 16:10 ` Phil Oester [this message]
2013-11-29 6:01 ` Tomasz Bursztyka
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