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IPv4: Send gratuitous ARP for secondary IP addresses also

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[ Upstream commit b76d0789c9 ]

If a device event generates gratuitous ARP messages, only primary
address is used for sending. This patch iterates through the whole
list. Tested with 2 IP addresses configuration on bonding interface.

Signed-off-by: Zoltan Kiss <schaman@sch.bme.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Zoltan Kiss 2011-07-24 13:09:30 +00:00 committed by Greg Kroah-Hartman
parent 956c35400b
commit 711ae7c7a8
1 changed files with 8 additions and 8 deletions
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16
net/ipv4/devinet.c
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@ -1134,15 +1134,15 @@ static void inetdev_send_gratuitous_arp(struct net_device *dev,
struct in_device *in_dev)
{
struct in_ifaddr *ifa = in_dev->ifa_list;
struct in_ifaddr *ifa;
if (!ifa)
return;
arp_send(ARPOP_REQUEST, ETH_P_ARP,
ifa->ifa_local, dev,
ifa->ifa_local, NULL,
dev->dev_addr, NULL);
for (ifa = in_dev->ifa_list; ifa;
ifa = ifa->ifa_next) {
arp_send(ARPOP_REQUEST, ETH_P_ARP,
ifa->ifa_local, dev,
ifa->ifa_local, NULL,
dev->dev_addr, NULL);
}
}
/* Called only under RTNL semaphore */