Patchwork [3.5.y.z,extended,stable] Patch "ipv6: send unsolicited neighbour advertisements to all-nodes" has been added to staging queue

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Submitter Herton Ronaldo Krzesinski
Date Dec. 12, 2012, 5:11 a.m.
Message ID <>
Download mbox | patch
Permalink /patch/205417/
State New
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Herton Ronaldo Krzesinski - Dec. 12, 2012, 5:11 a.m.
This is a note to let you know that I have just added a patch titled

    ipv6: send unsolicited neighbour advertisements to all-nodes

to the linux-3.5.y-queue branch of the 3.5.y.z extended stable tree 
which can be found at:;a=shortlog;h=refs/heads/linux-3.5.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.5.y.z tree, see



From b9dec27e04fe17f702977c81e73d0e5eb9a9add4 Mon Sep 17 00:00:00 2001
From: Hannes Frederic Sowa <>
Date: Tue, 6 Nov 2012 16:18:41 +0000
Subject: [PATCH] ipv6: send unsolicited neighbour advertisements to all-nodes

commit 60713a0ca7fd6651b951cc1b4dbd528d1fc0281b upstream.

As documented in RFC4861 (Neighbor Discovery for IP version 6) 7.2.6.,
unsolicited neighbour advertisements should be sent to the all-nodes
multicast address.

Signed-off-by: Hannes Frederic Sowa <>
Signed-off-by: David S. Miller <>
Signed-off-by: Herton Ronaldo Krzesinski <>
 net/ipv6/ndisc.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)



diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 54f62d3..35bfebc 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -580,7 +580,7 @@  static void ndisc_send_unsol_na(struct net_device *dev)
 	struct inet6_dev *idev;
 	struct inet6_ifaddr *ifa;
-	struct in6_addr mcaddr;
+	struct in6_addr mcaddr = IN6ADDR_LINKLOCAL_ALLNODES_INIT;

 	idev = in6_dev_get(dev);
 	if (!idev)
@@ -588,7 +588,6 @@  static void ndisc_send_unsol_na(struct net_device *dev)

 	list_for_each_entry(ifa, &idev->addr_list, if_list) {
-		addrconf_addr_solict_mult(&ifa->addr, &mcaddr);
 		ndisc_send_na(dev, NULL, &mcaddr, &ifa->addr,
 			      /*router=*/ !!idev->cnf.forwarding,
 			      /*solicited=*/ false, /*override=*/ true,