From owner-freebsd-questions@FreeBSD.ORG  Thu May  5 13:41:33 2005
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 8A43316A4CE
	for <freebsd-questions@freebsd.org>;
	Thu,  5 May 2005 13:41:33 +0000 (GMT)
Received: from mail26.sea5.speakeasy.net (mail26.sea5.speakeasy.net
	[69.17.117.28])	by mx1.FreeBSD.org (Postfix) with ESMTP id 1021643D8E
	for <freebsd-questions@freebsd.org>;
	Thu,  5 May 2005 13:41:33 +0000 (GMT)
	(envelope-from freebsd-questions-local@be-well.ilk.org)
Received: (qmail 7896 invoked from network); 5 May 2005 13:41:27 -0000
Received: from dsl092-078-145.bos1.dsl.speakeasy.net (HELO be-well.ilk.org)
	([66.92.78.145])
	(envelope-sender <freebsd-questions-local@be-well.ilk.org>)
	by mail26.sea5.speakeasy.net (qmail-ldap-1.03) with SMTP
	for <lluo@eecis.udel.edu>; 5 May 2005 13:41:27 -0000
Received: by be-well.ilk.org (Postfix, from userid 1147)
	id 28F6C30; Thu,  5 May 2005 09:41:26 -0400 (EDT)
Sender: lowell@be-well.ilk.org
To: Lei Luo <lluo@eecis.udel.edu>
References: <42790067.7060307@eecis.udel.edu>
From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org>
Date: 05 May 2005 09:41:25 -0400
In-Reply-To: <42790067.7060307@eecis.udel.edu>
Message-ID: <44hdhheqnu.fsf@be-well.ilk.org>
Lines: 14
User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
cc: freebsd-questions@freebsd.org
Subject: Re: Where tcp_timer_rexmt() is called?
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>,
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>,
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 05 May 2005 13:41:33 -0000

Lei Luo <lluo@eecis.udel.edu> writes:

> Does anyone know where the TCP retransmission function
> tcp_timer_rexmt() is called? In other words, where is the code that
> checks if a timer is timed out? In BSD4.3, there is a function called
> tcp_timers() in tcp_timer.c. But in the recent release, the function
> is removed. But where the functionality is placed now?

It's put into an event on the timeout queue, which is processed by the
softclock() routine.

-- 
Lowell Gilbert, embedded/networking software engineer, Boston area
		http://be-well.ilk.org/~lowell/