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ipv6: send unsolicited neighbour advertisements to all-nodes

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[ Upstream commit 60713a0ca7 ]

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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hannes Frederic Sowa 2012-11-06 16:18:41 +00:00 committed by Greg Kroah-Hartman
parent 0f2835b0b7
commit f0d6767af2
1 changed files with 1 additions and 2 deletions
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3
net/ipv6/ndisc.c
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@ -593,7 +593,7 @@ 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)
@ -601,7 +601,6 @@ 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,