Commit b76d0789 authored Jul 24, 2011 by Zoltan Kiss Committed by David S. Miller Jul 25, 2011

IPv4: Send gratuitous ARP for secondary IP addresses also



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>

parent 32019e65

net/ipv4/devinet.c

+8 −8

Original line number	Diff line number	Diff line
		@@ -1134,16 +1134,16 @@ static void inetdev_send_gratuitous_arp(struct net_device *dev,
		struct in_device *in_dev)

		{
		struct in_ifaddr *ifa = in_dev->ifa_list;

		if (!ifa)
		return;
		struct in_ifaddr *ifa;

		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 */

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