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Subject[PATCH 205/241] ipv6: send unsolicited neighbour advertisements to all-nodes
Date
3.5.7.2 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Hannes Frederic Sowa <hannes@stressinduktion.org>

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 <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com>
---
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)

read_lock_bh(&idev->lock);
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,
--
1.7.9.5


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