From owner-freebsd-questions@FreeBSD.ORG  Thu Jan 22 02:59:23 2004
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 0310E16A4CE
	for <freebsd-questions@freebsd.org>;
	Thu, 22 Jan 2004 02:59:23 -0800 (PST)
Received: from ei.bzerk.org (ei.xs4all.nl [213.84.67.5])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 6BBFD43D2D
	for <freebsd-questions@freebsd.org>;
	Thu, 22 Jan 2004 02:59:21 -0800 (PST)
	(envelope-from mail25@bzerk.org)
Received: from ei.bzerk.org (BOFH@localhost [127.0.0.1])
	by ei.bzerk.org (8.12.10/8.12.10) with ESMTP id i0MB1NCG020443;
	Thu, 22 Jan 2004 12:01:23 +0100 (CET)
	(envelope-from mail25@bzerk.org)
Received: (from bulk@localhost)
	by ei.bzerk.org (8.12.10/8.12.10/Submit) id i0MB1NrP020442;
	Thu, 22 Jan 2004 12:01:23 +0100 (CET)
	(envelope-from mail25@bzerk.org)
X-Authentication-Warning: ei.bzerk.org: bulk set sender to mail25@bzerk.org
	using -f
Date: Thu, 22 Jan 2004 12:01:23 +0100
From: Ruben de Groot <mail25@bzerk.org>
To: "Laslett, Greg" <greglas@calm.wa.gov.au>
Message-ID: <20040122110123.GB19971@ei.bzerk.org>
Mail-Followup-To: Ruben de Groot <mail25@bzerk.org>,
	"Laslett, Greg" <greglas@calm.wa.gov.au>,
	freebsd-questions@freebsd.org
References: <D6F4DCD16A2E944BBF6B357BD622CB2F01F4387A@calm-kens-10.calm.wa.gov.au>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <D6F4DCD16A2E944BBF6B357BD622CB2F01F4387A@calm-kens-10.calm.wa.gov.au>
User-Agent: Mutt/1.4.1i
cc: freebsd-questions@freebsd.org
Subject: Re: Looking for C example of ARP lookup on FreeBSD
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, 22 Jan 2004 10:59:23 -0000

On Thu, Jan 22, 2004 at 05:24:31PM +0800, Laslett, Greg typed:
> 
> Hi,
> 
> The code that is being ported uses the 'ioctl' method to request a MAC address.
> eg:
>     struct arpreq            ReqARP;
>     struct sockaddr_in  *pAddr_in;
>     SOCKET                 s;
>     .
>     .
>     s = socket(AF_INET, SOCK_DGRAM, 0);
>     ioctl(s, SIOCGARP, &ReqARP);
>     .
>     .
> 
> This does not appear to be supported under FreeBSD.  Presumably a sysctl or other mechanism exists.
> 
> Can anyone provide a code fragment showing IP4 to MAC address translation.
 
Maybe a look at /usr/src/usr.sbin/arp/arp.c will help you.

Ruben

> Thanks,
> Greg.
> 
> _______________________________________________
> freebsd-questions@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-questions
> To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org"
>