From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH 2/2] [e1000 VLAN] Disable vlan hw accel when promiscuous mode Date: Tue, 13 Nov 2007 03:36:11 -0800 (PST) Message-ID: <20071113.033611.73195922.davem@davemloft.net> References: <47397AB3.90705@trash.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: auke-jan.h.kok@intel.com, e1000-devel@lists.sourceforge.net, netdev@vger.kernel.org, djohnson+linux-kernel@sw.starentnetworks.com, linux-kernel@vger.kernel.org, joonwpark81@gmail.com, w@1wt.eu, cfriesen@nortel.com, kaber@trash.net To: herbert@gondor.apana.org.au Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: e1000-devel-bounces@lists.sourceforge.net Errors-To: e1000-devel-bounces@lists.sourceforge.net List-Id: netdev.vger.kernel.org From: Herbert Xu Date: Tue, 13 Nov 2007 19:09:23 +0800 > I agree. People doing a tcpdump don't have to turn on promiscuous > mode, that's what the -p option is for. In other words, having > promiscuous mode disable VLAN filtering does not take away the > user's options at all. > > In fact, the very definition of promiscuous is to turn off hardware > filtering, albeit the filtering of MAC addresses rather than VLAN > tags. So it would seem logical to have it turn off VLAN filtering > too. Ok. The performance implications can be pretty severe however. I wish we could address this somehow. ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/