aboutsummaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/bonding/bond_alb.c6
-rw-r--r--drivers/net/bonding/bonding.h13
2 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index 2e1f8066f1a..b6ed7e9bbb8 100644
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -704,6 +704,12 @@ static struct slave *rlb_arp_xmit(struct sk_buff *skb, struct bonding *bond)
struct arp_pkt *arp = arp_pkt(skb);
struct slave *tx_slave = NULL;
+ /* Don't modify or load balance ARPs that do not originate locally
+ * (e.g.,arrive via a bridge).
+ */
+ if (!bond_slave_has_mac(bond, arp->mac_src))
+ return NULL;
+
if (arp->op_code == htons(ARPOP_REPLY)) {
/* the arp must be sent on the selected
* rx channel
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index 4581aa5ccab..51f1766d05b 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -18,6 +18,7 @@
#include <linux/timer.h>
#include <linux/proc_fs.h>
#include <linux/if_bonding.h>
+#include <linux/etherdevice.h>
#include <linux/cpumask.h>
#include <linux/in6.h>
#include <linux/netpoll.h>
@@ -450,6 +451,18 @@ static inline void bond_destroy_proc_dir(struct bond_net *bn)
}
#endif
+static inline struct slave *bond_slave_has_mac(struct bonding *bond,
+ const u8 *mac)
+{
+ int i = 0;
+ struct slave *tmp;
+
+ bond_for_each_slave(bond, tmp, i)
+ if (!compare_ether_addr_64bits(mac, tmp->dev->dev_addr))
+ return tmp;
+
+ return NULL;
+}
/* exported from bond_main.c */
extern int bond_net_id;