>From bc58ecc70aecc68497fe54228ebe8630777b53a0 Mon Sep 17 00:00:00 2001 From: Chris J Arges Date: Thu, 6 Sep 2012 14:17:40 -0500 Subject: [PATCH] bonding: extend bond_arp_send_all to bridge devices ARP monitoring does not work when we have a network in the following configuration: eth0----+ +----bond0.100----br0-100---{+virtual machines | | +----bond0----+----br0---(fixed IP)->--{LAN arp_ip_target} | | eth1----+ +----bond0.200----br0-200---{+virtual machines This patch extends bond_arp_send_all to also check if a device is also in a bridge. This is related to the following issues: http://launchpad.net/bugs/736226 http://bugzilla.kernel.org/show_bug.cgi?id=31822 Thanks to help from Andy Gospodarek. Signed-off-by: Chris J Arges --- drivers/net/bonding/bond_main.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index b2530b0..cb791f6 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -2708,6 +2708,18 @@ static void bond_arp_send_all(struct bonding *bond, struct slave *slave) continue; } + /* + * Check if the target is part of a bridge. + */ + if (rt->dst.dev->priv_flags & IFF_EBRIDGE) { + /* Confirm addr is part of the bridge */ + addr = bond_confirm_addr(rt->dst.dev, targets[i], 0); + + /* Send ARP request */ + bond_arp_send(slave->dev, ARPOP_REQUEST, targets[i], addr, 0); + continue; + } + if (net_ratelimit()) { pr_warning("%s: no path to arp_ip_target %pI4 via rt.dev %s\n", bond->dev->name, &targets[i], -- 1.7.10.4