3 files changed, 30 insertions, 3 deletions

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 3f0071cfe56b..6a42a1453afa 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -2615,6 +2615,17 @@ static int bond_arp_rcv(struct sk_buff *skb, struct net_device *dev, struct pack
         unsigned char *arp_ptr;
         __be32 sip, tip;
 
+        if (dev->priv_flags & IFF_802_1Q_VLAN) {
+                /*
+                 * When using VLANS and bonding, dev and oriv_dev may be
+                 * incorrect if the physical interface supports VLAN
+                 * acceleration.  With this change ARP validation now
+                 * works for hosts only reachable on the VLAN interface.
+                 */
+                dev = vlan_dev_real_dev(dev);
+                orig_dev = dev_get_by_index_rcu(dev_net(skb->dev),skb->skb_iif);
+        }
+
         if (!(dev->priv_flags & IFF_BONDING) || !(dev->flags & IFF_MASTER))
                 goto out;
 
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index e75a2f3b10af..c0316e0ca6e8 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -14,6 +14,7 @@ int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
         if (skb_bond_should_drop(skb))
                 goto drop;
 
+        skb->skb_iif = skb->dev->ifindex;
         __vlan_hwaccel_put_tag(skb, vlan_tci);
         skb->dev = vlan_group_get_device(grp, vlan_tci & VLAN_VID_MASK);
 
@@ -85,6 +86,7 @@ vlan_gro_common(struct napi_struct *napi, struct vlan_group *grp,
         if (skb_bond_should_drop(skb))
                 goto drop;
 
+        skb->skb_iif = skb->dev->ifindex;
         __vlan_hwaccel_put_tag(skb, vlan_tci);
         skb->dev = vlan_group_get_device(grp, vlan_tci & VLAN_VID_MASK);
 
diff --git a/net/core/dev.c b/net/core/dev.c
index a8d68cdedbbe..f9aa699ab6cb 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2495,12 +2495,26 @@ ncls:
         if (!skb)
                 goto out;
 
+        /*
+         * Make sure frames received on VLAN interfaces stacked on
+         * bonding interfaces still make their way to any base bonding
+         * device that may have registered for a specific ptype.  The
+         * handler may have to adjust skb->dev and orig_dev.
+         *
+         * null_or_orig can be overloaded since it will not be set when
+         * using VLANs on top of bonding.  Putting it here prevents
+         * disturbing the ptype_all handlers above.
+         */
+        if ((skb->dev->priv_flags & IFF_802_1Q_VLAN) &&
+            (vlan_dev_real_dev(skb->dev)->priv_flags & IFF_BONDING)) {
+                null_or_orig = vlan_dev_real_dev(skb->dev);
+        }
+
         type = skb->protocol;
         list_for_each_entry_rcu(ptype,
                         &ptype_base[ntohs(type) & PTYPE_HASH_MASK], list) {
-                if (ptype->type == type &&
-                    (ptype->dev == null_or_orig || ptype->dev == skb->dev ||
-                     ptype->dev == orig_dev)) {
+                if (ptype->type == type && (ptype->dev == null_or_orig ||
+                     ptype->dev == skb->dev || ptype->dev == orig_dev)) {
                         if (pt_prev)
                                 ret = deliver_skb(skb, pt_prev, orig_dev);
                         pt_prev = ptype;