1 files changed, 22 insertions, 0 deletions

diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c
index f8c2e4f17066..698079e94e74 100644
--- a/drivers/net/bonding/bond_options.c
+++ b/drivers/net/bonding/bond_options.c
@@ -436,3 +436,25 @@ int bond_option_arp_ip_targets_set(struct bonding *bond, __be32 *targets,
         write_unlock_bh(&bond->lock);
         return ret;
 }
+
+int bond_option_arp_validate_set(struct bonding *bond, int arp_validate)
+{
+        if (bond->params.mode != BOND_MODE_ACTIVEBACKUP) {
+                pr_err("%s: arp_validate only supported in active-backup mode.\n",
+                       bond->dev->name);
+                return -EINVAL;
+        }
+        pr_info("%s: setting arp_validate to %s (%d).\n",
+                bond->dev->name, arp_validate_tbl[arp_validate].modename,
+                arp_validate);
+
+        if (bond->dev->flags & IFF_UP) {
+                if (!arp_validate)
+                        bond->recv_probe = NULL;
+                else if (bond->params.arp_interval)
+                        bond->recv_probe = bond_arp_rcv;
+        }
+        bond->params.arp_validate = arp_validate;
+
+        return 0;
+}