From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris J Arges Subject: [PATCH] bonding: extend bond_arp_send_all to bridge devices Date: Mon, 5 Nov 2012 14:14:08 -0600 Message-ID: <1352146448-8921-1-git-send-email-chris.j.arges@canonical.com> Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Chris J Arges To: Jay Vosburgh , Andy Gospodarek Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org 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 | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 6c284d1..f11a2e1 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -2670,6 +2670,19 @@ 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) { + printk("bondbridge: %s->priv_flags has IFF_EBRIDGE\n", rt->dst.dev->name); + + /* Send ARP request */ + bond_arp_send(slave->dev, ARPOP_REQUEST, targets[i], bond->master_ip, 0); + printk("bondbridge: bond_arp_send %d\n", 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], -- 1.7.9.5