From: Vishwas Raman <vishwas@eternal-systems.com>
To: "David S. Miller" <davem@redhat.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Accessing tcp socket information from within a module
Date: Sat, 04 Oct 2003 16:07:00 -0700 [thread overview]
Message-ID: <3F7F5294.1090606@eternal-systems.com> (raw)
In-Reply-To: 20031003225124.17a440c2.davem@redhat.com
David S. Miller wrote:
> On Fri, 03 Oct 2003 17:02:07 -0700
> Vishwas Raman <vishwas@eternal-systems.com> wrote:
>
>
>>Is there some way of accessing the information of all open tcp sockets
>>in the system, other than having to turn one of IPV6 or KHTTPD on?
>
>
> You don't even need to write your kernel module, there is already
> a special netlink socket provided to userspace exactly for this
> purpose, to get info on all TCP sockets efficiently.
>
> See net/ipv4/tcp_diag.c
>
But what if I am interested in doing the same in kernel space and not
user space? The module I am writing is going to sit between the tcp and
ip layers of the networking stack. And I need to get info on all TCP
sockets and create/modify certain data structures of my own in the
module based on that information.
next prev parent reply other threads:[~2003-10-04 23:08 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-04 0:02 Accessing tcp socket information from within a module Vishwas Raman
2003-10-04 5:51 ` David S. Miller
2003-10-04 23:07 ` Vishwas Raman [this message]
2003-10-04 23:10 ` David S. Miller
2003-10-04 23:58 ` Onboard LAN Asus A7V8X-X (VT6102 [Rhine-II]) William Scott Lockwood III
2003-10-05 1:31 ` Dave Jones
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