From patchwork Sun Feb 10 13:50:18 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hannes Frederic Sowa X-Patchwork-Id: 219495 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 05DDB2C0095 for ; Mon, 11 Feb 2013 00:50:24 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755121Ab3BJNuU (ORCPT ); Sun, 10 Feb 2013 08:50:20 -0500 Received: from order.stressinduktion.org ([87.106.68.36]:55413 "EHLO order.stressinduktion.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754998Ab3BJNuT (ORCPT ); Sun, 10 Feb 2013 08:50:19 -0500 Received: by order.stressinduktion.org (Postfix, from userid 500) id B087A1A0CCB9; Sun, 10 Feb 2013 14:50:18 +0100 (CET) Date: Sun, 10 Feb 2013 14:50:18 +0100 From: Hannes Frederic Sowa To: netdev@vger.kernel.org Cc: yoshfuji@linux-ipv6.org, erik.hugne@ericsson.com Subject: [PATCH net-next v2] ipv6: by default join ff01::1 and in case of forwarding ff01::2 and ff05:2 Message-ID: <20130210135018.GF18219@order.stressinduktion.org> Mail-Followup-To: netdev@vger.kernel.org, yoshfuji@linux-ipv6.org, erik.hugne@ericsson.com Mime-Version: 1.0 Content-Disposition: inline Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Cc: Erik Hugne Cc: YOSHIFUJI Hideaki Signed-off-by: Hannes Frederic Sowa --- include/linux/in6.h | 9 +++++++++ net/ipv6/addrconf.c | 15 +++++++++++++-- 2 files changed, 22 insertions(+), 2 deletions(-) diff --git a/include/linux/in6.h b/include/linux/in6.h index a16e193..34edf1f 100644 --- a/include/linux/in6.h +++ b/include/linux/in6.h @@ -36,4 +36,13 @@ extern const struct in6_addr in6addr_linklocal_allnodes; extern const struct in6_addr in6addr_linklocal_allrouters; #define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \ { { { 0xff,2,0,0,0,0,0,0,0,0,0,0,0,0,0,2 } } } +extern const struct in6_addr in6addr_interfacelocal_allnodes; +#define IN6ADDR_INTERFACELOCAL_ALLNODES_INIT \ + { { { 0xff,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } } +extern const struct in6_addr in6addr_interfacelocal_allrouters; +#define IN6ADDR_INTERFACELOCAL_ALLROUTERS_INIT \ + { { { 0xff,1,0,0,0,0,0,0,0,0,0,0,0,0,0,2 } } } +extern const struct in6_addr in6addr_sitelocal_allrouters; +#define IN6ADDR_SITELOCAL_ALLROUTERS_INIT \ + { { { 0xff,5,0,0,0,0,0,0,0,0,0,0,0,0,0,2 } } } #endif diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index bd9f936..86c235d 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -244,6 +244,9 @@ const struct in6_addr in6addr_any = IN6ADDR_ANY_INIT; const struct in6_addr in6addr_loopback = IN6ADDR_LOOPBACK_INIT; const struct in6_addr in6addr_linklocal_allnodes = IN6ADDR_LINKLOCAL_ALLNODES_INIT; const struct in6_addr in6addr_linklocal_allrouters = IN6ADDR_LINKLOCAL_ALLROUTERS_INIT; +const struct in6_addr in6addr_interfacelocal_allnodes = IN6ADDR_INTERFACELOCAL_ALLNODES_INIT; +const struct in6_addr in6addr_interfacelocal_allrouters = IN6ADDR_INTERFACELOCAL_ALLROUTERS_INIT; +const struct in6_addr in6addr_sitelocal_allrouters = IN6ADDR_SITELOCAL_ALLROUTERS_INIT; /* Check if a valid qdisc is available */ static inline bool addrconf_qdisc_ok(const struct net_device *dev) @@ -428,6 +431,9 @@ static struct inet6_dev *ipv6_add_dev(struct net_device *dev) /* protected by rtnl_lock */ rcu_assign_pointer(dev->ip6_ptr, ndev); + /* Join interface-local all-node multicast group */ + ipv6_dev_mc_inc(dev, &in6addr_interfacelocal_allnodes); + /* Join all-node multicast group */ ipv6_dev_mc_inc(dev, &in6addr_linklocal_allnodes); @@ -611,10 +617,15 @@ static void dev_forward_change(struct inet6_dev *idev) if (idev->cnf.forwarding) dev_disable_lro(dev); if (dev->flags & IFF_MULTICAST) { - if (idev->cnf.forwarding) + if (idev->cnf.forwarding) { ipv6_dev_mc_inc(dev, &in6addr_linklocal_allrouters); - else + ipv6_dev_mc_inc(dev, &in6addr_interfacelocal_allrouters); + ipv6_dev_mc_inc(dev, &in6addr_sitelocal_allrouters); + } else { ipv6_dev_mc_dec(dev, &in6addr_linklocal_allrouters); + ipv6_dev_mc_dec(dev, &in6addr_interfacelocal_allrouters); + ipv6_dev_mc_dec(dev, &in6addr_sitelocal_allrouters); + } } list_for_each_entry(ifa, &idev->addr_list, if_list) {