Re: [PATCH v3 net-next] bonding: extend bond_arp_send_all to bridge devices
From: Jay Vosburgh <hidden>
Date: 2012-11-05 22:45:52
Also in:
lkml
Chris J Arges [off-list ref] wrote:
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 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 [off-list ref].
Signed-off-by: Chris J Arges <redacted>What has changed that you're up to version 3 now?
quoted hunk ↗ jump to hunk
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. + */
/* Comment should be formatted like this. */
+ 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 */I think this comment is unnecessary. -J
+ 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],
--
1.7.9.5--- -Jay Vosburgh, IBM Linux Technology Center, fubar@us.ibm.com