From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753954AbaIYPmn (ORCPT ); Thu, 25 Sep 2014 11:42:43 -0400 Received: from mail.csclub.uwaterloo.ca ([129.97.134.52]:33829 "EHLO mail.csclub.uwaterloo.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753917AbaIYPml (ORCPT ); Thu, 25 Sep 2014 11:42:41 -0400 From: "Lennart Sorensen" Date: Thu, 25 Sep 2014 11:42:39 -0400 To: linux-kernel@vger.kernel.org Cc: Len Sorensen , Mugunthan V N Subject: Re: cpsw without dual_emac drops multicast in promisc mode Message-ID: <20140925154239.GC13319@csclub.uwaterloo.ca> References: <20140925151906.GB13319@csclub.uwaterloo.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140925151906.GB13319@csclub.uwaterloo.ca> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Sep 25, 2014 at 11:19:06AM -0400, Lennart Sorensen wrote: > It seems that running tcpdump (and hence enabling promisc mode), causes > all multicast packets to dropped with the cpsw driver. We are not using > the dual_emac feature, we are just using one port. This is on the DRA7XX. > > I see that in dual_emac mode, it is set to ALE_BYPASS (no idea if this > works, I haven't tried dual_emac mode). In non dual_emac mode it uses > ALE_P0_UNI_FLOOD after flushing the multicast entries. Maybe that's > not good enough. I forgot to CC the appropriate people. -- Len Sorensen