From mboxrd@z Thu Jan 1 00:00:00 1970 From: Cong Wang Subject: Re: IGMP on IPv6 Date: Mon, 17 Apr 2017 14:38:48 -0700 Message-ID: References: <1479111388-25383-1-git-send-email-liuhangbin@gmail.com> <58D29265.1020604@ti.com> <58EFA913.5060604@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Cc: Hangbin Liu , "open list:TI NETCP ETHERNET DRIVER" , David Miller To: Murali Karicheri Return-path: Received: from mail-wm0-f52.google.com ([74.125.82.52]:37356 "EHLO mail-wm0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753619AbdDQVjK (ORCPT ); Mon, 17 Apr 2017 17:39:10 -0400 Received: by mail-wm0-f52.google.com with SMTP id u2so40522910wmu.0 for ; Mon, 17 Apr 2017 14:39:09 -0700 (PDT) In-Reply-To: <58EFA913.5060604@ti.com> Sender: netdev-owner@vger.kernel.org List-ID: Hello, On Thu, Apr 13, 2017 at 9:36 AM, Murali Karicheri wrote: > On 03/22/2017 11:04 AM, Murali Karicheri wrote: >> This is going directly to the slave Ethernet interface. >> >> When I put a WARN_ONCE, I found this is coming directly from >> mld_ifc_timer_expire() -> mld_sendpack() -> ip6_output() >> >> Do you think this is fixed in latest kernel at master? If so, could >> you point me to some commits. >> >> > Ping... I see this behavior is also seen on v4.9.x Kernel. Any clue if > this is fixed by some commit or I need to debug? I see IGMPv6 has some > fixes on the list to make it similar to IGMPv4. So can someone clarify this is > is a bug at IGMPv6 code or I need to look into the HSR driver code? > Since IGMPv4 is going over the HSR interface I am assuming this is a > bug in the IGMPv6 code. But since I have not experience with this code > can some expert comment please? > How did you configure your network interfaces and IPv4/IPv6 multicast? IOW, how did you reproduce this? For example, did you change your HSR setup when this happened since you mentioned NETDEV_CHANGEUPPER?