From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Thu, 3 Aug 2006 17:45:01 -0400 From: Jeff Dike Message-ID: <20060803214501.GA5677@ccure.user-mode-linux.org> References: <3A30AD378ECC6F41A4AC64F18E8B3F7F6E0F66@ala-mail04.corp.ad.wrs.com> Mime-Version: 1.0 Content-Disposition: inline In-Reply-To: <3A30AD378ECC6F41A4AC64F18E8B3F7F6E0F66@ala-mail04.corp.ad.wrs.com> Subject: Re: [uml-devel] [uml-user] Promiscuous mode interface bug? List-Id: The user-mode Linux development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: user-mode-linux-devel-bounces@lists.sourceforge.net Errors-To: user-mode-linux-devel-bounces@lists.sourceforge.net To: "Stephens, Allan" Cc: Paolo Giarrusso , user-mode-linux-user@lists.sourceforge.net, user-mode-linux-devel@lists.sourceforge.net On Thu, Aug 03, 2006 at 01:08:51PM -0700, Stephens, Allan wrote: > Where I think my confusion is arising is in the details of how the > filtering > controlled by the promiscuous setting is actually done. If a packet > with > the "wrong" destination address arrives at an interface, who checks to > see > whether the interface has been configured as promiscuous and > passes/discards it > accordingly? I have naively assumed that this was handled in hardware > on the > NIC card in a real system, but is it really done by software? Ah, a light goes on. I believe that it is done on the card. > What I seem to > be > observing in my UML testing is that *nobody* is doing this filtering, > resulting in > unwanted packets being handed to my protocol (which sits directly on top > of the > Ethernet driver). And since UML doesn't have "cards", it may be that the driver should do the filtering at the bottom layer and it isn't. Jeff ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel