From: Sridhar Samudrala <samudrala@mail.com>
To: Ankit Jain <radical@corewars.org>
Cc: netdev@oss.sgi.com
Subject: Re: some queries
Date: Mon, 17 Jun 2002 16:21:03 -0700 [thread overview]
Message-ID: <3D0E6EDF.9010207@mail.com> (raw)
In-Reply-To: Pine.LNX.4.33L2.0206151420410.4436-100000@radical.corewars.org
Ankit Jain wrote:
>Hi,
>
>I have been trying to find answers to some queries but noone seems to be
>able to help. My queries are: (kernel 2.4.18)
>
>1. what is tcp_ehash_bucket used for? hash table for tcp sockets? what
>does the "e" is the ehash mean/represent?
>
It is a hash table of all tcp sockets in ESTABLISHED state.
>
>2. Why is a tcp control socket created at init time in tcp_v4_init(..) ?
>Its of SOCK_RAW type and its unhashed to make sure that it doesnt receive
>any incoming packets. why? is it used to set some options or something?
>Where is it used?
>
The main purpose of this socket is to send RSTs when a packet is
received for a non-existing socket.
Thanks
Sridhar
>
>Hoping for a reply!! :)
>
>-Ankit
>
>
>
>
>
prev parent reply other threads:[~2002-06-17 23:21 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-15 8:54 some queries Ankit Jain
2002-06-17 23:21 ` Sridhar Samudrala [this message]
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