Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761604Ab3IDAOZ (ORCPT ); Tue, 3 Sep 2013 20:14:25 -0400 Received: from mout.web.de ([212.227.17.11]:56814 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761416Ab3IDAOX (ORCPT ); Tue, 3 Sep 2013 20:14:23 -0400 From: =?UTF-8?q?Linus=20L=C3=BCssing?= To: netdev@vger.kernel.org Cc: bridge@lists.linux-foundation.org, Stephen Hemminger , "David S. Miller" , linux-kernel@vger.kernel.org, Herbert Xu , Cong Wang , Adam Baker , =?UTF-8?q?Linus=20L=C3=BCssing?= Subject: [PATCH net-next 2/2] bridge: apply multicast snooping to IPv6 link-local, too Date: Wed, 4 Sep 2013 02:13:39 +0200 Message-Id: <1378253619-23918-3-git-send-email-linus.luessing@web.de> X-Mailer: git-send-email 1.8.4.rc3 In-Reply-To: <1378253619-23918-1-git-send-email-linus.luessing@web.de> References: <1378253619-23918-1-git-send-email-linus.luessing@web.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K0:qiVNFmAhFvoy4ovsJ0xivL1TJnt7He38dcKHHwicjzrh6zuLsFl UwcPyvpVtO0J74WHAFZ2tjiT7kknNySQ0ZB/K4VogvGzwyBiEs9tA48cSqCouXAtZeBBzWD Np7gk5xA5E2K2ABZvivKF0V2V3NDbKhbjZMJEXUPaTtfqsRN2ATXlFgBfx92GXoiCckGdGN 2B4szK9N/iwOpYMTeOAVA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3145 Lines: 100 The multicast snooping code should have matured enough to be safely applicable to IPv6 link-local multicast addresses (excluding the link-local all nodes address, ff02::1), too. Signed-off-by: Linus Lüssing --- net/bridge/br_mdb.c | 3 ++- net/bridge/br_multicast.c | 7 ++++--- net/bridge/br_private.h | 10 ---------- 3 files changed, 6 insertions(+), 14 deletions(-) diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c index a7c6cd0..85a09bb 100644 --- a/net/bridge/br_mdb.c +++ b/net/bridge/br_mdb.c @@ -9,6 +9,7 @@ #include #if IS_ENABLED(CONFIG_IPV6) #include +#include #endif #include "br_private.h" @@ -254,7 +255,7 @@ static bool is_valid_mdb_entry(struct br_mdb_entry *entry) return false; #if IS_ENABLED(CONFIG_IPV6) } else if (entry->addr.proto == htons(ETH_P_IPV6)) { - if (!ipv6_is_transient_multicast(&entry->addr.u.ip6)) + if (ipv6_addr_is_ll_all_nodes(&entry->addr.u.ip6)) return false; #endif } else diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index 662ba7b..3b0ed99 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -29,6 +29,7 @@ #include #include #include +#include #endif #include "br_private.h" @@ -724,7 +725,7 @@ static int br_ip6_multicast_add_group(struct net_bridge *br, { struct br_ip br_group; - if (!ipv6_is_transient_multicast(group)) + if (ipv6_addr_is_ll_all_nodes(group)) return 0; br_group.u.ip6 = *group; @@ -1410,7 +1411,7 @@ static void br_ip6_multicast_leave_group(struct net_bridge *br, &br->ip6_query; - if (!ipv6_is_transient_multicast(group)) + if (ipv6_addr_is_ll_all_nodes(group)) return; br_group.u.ip6 = *group; @@ -1551,7 +1552,7 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br, return 0; /* Prevent flooding this packet if there is no listener present */ - if (ipv6_is_transient_multicast(&ip6h->daddr)) + if (!ipv6_addr_is_ll_all_nodes(&ip6h->daddr)) BR_INPUT_SKB_CB(skb)->mrouters_only = 1; if (ip6h->nexthdr != IPPROTO_HOPOPTS || diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index f225fb6..598cb0b 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -494,16 +494,6 @@ extern void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port, #define mlock_dereference(X, br) \ rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) -#if IS_ENABLED(CONFIG_IPV6) -#include -static inline int ipv6_is_transient_multicast(const struct in6_addr *addr) -{ - if (ipv6_addr_is_multicast(addr) && IPV6_ADDR_MC_FLAG_TRANSIENT(addr)) - return 1; - return 0; -} -#endif - static inline bool br_multicast_is_router(struct net_bridge *br) { return br->multicast_router == 2 || -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/