From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 3651 invoked by alias); 30 Apr 2007 10:16:32 -0000 Received: (qmail 3639 invoked by uid 22791); 30 Apr 2007 10:16:31 -0000 X-Spam-Check-By: sourceware.org Received: from anchor-post-30.mail.demon.net (HELO anchor-post-30.mail.demon.net) (194.217.242.88) by sourceware.org (qpsmtpd/0.31) with ESMTP; Mon, 30 Apr 2007 11:16:28 +0100 Received: from calivar.demon.co.uk ([83.104.54.243] helo=xl5.calivar.com) by anchor-post-30.mail.demon.net with esmtp (Exim 4.42) id 1HiSvV-000AxS-0n; Mon, 30 Apr 2007 10:16:14 +0000 Received: from xl5.calivar.com (localhost [127.0.0.1]) by xl5.calivar.com (Postfix) with ESMTP id 69E32138713; Mon, 30 Apr 2007 11:16:07 +0100 (BST) To: manesh Cc: ecos-discuss@sources.redhat.com References: <1177582674.805294.203270@s33g2000prh.googlegroups.com> <20070426133443.GA22158@lunn.ch> <1177738903.263455.239890@l77g2000hsb.googlegroups.com> <1177753990.919543.45310@y80g2000hsf.googlegroups.com> <1177926816.728845.292060@c35g2000hsg.googlegroups.com> From: Nick Garnett Original-Sender: nickg@ecoscentric.com Date: Mon, 30 Apr 2007 10:16:00 -0000 In-Reply-To: <1177926816.728845.292060@c35g2000hsg.googlegroups.com> Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Mailing-List: contact ecos-discuss-help@ecos.sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: ecos-discuss-owner@ecos.sourceware.org Subject: Re: [ECOS] Re: Fwd: Sending raw packets on eCos X-SW-Source: 2007-04/txt/msg00164.txt.bz2 manesh writes: > I need to use ARP packet, to check the host IP address if it is > already in use. This check is usually performed by the eCos network > thread, at the OS start up, but I need this to happen at periodic > intervals. Its a basic "whois" frame which I need to send. There is > another option by sending an ICMP request, but which I am not supposed > to do. The host's IP address should be allocated either statically, or via DHCP. In the former case it is fixed for the network, in the latter the DHCP thread will keep it alive. I don't see any need to continue to probe for it with ARP requests. > Can I use any functions of the built in support? I don't think so, -- Nick Garnett eCos Kernel Architect eCosCentric Limited http://www.eCosCentric.com/ The eCos experts Barnwell House, Barnwell Drive, Cambridge, UK. Tel: +44 1223 245571 Registered in England and Wales: Reg No 4422071. -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss