1 files changed, 22 insertions, 13 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index 6bb6470f5b7b..323c04edd779 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2915,9 +2915,11 @@ EXPORT_SYMBOL(xmit_recursion);
 
 /**
  *      dev_loopback_xmit - loop back @skb
+ *      @net: network namespace this loopback is happening in
+ *      @sk:  sk needed to be a netfilter okfn
  *      @skb: buffer to transmit
  */
-int dev_loopback_xmit(struct sock *sk, struct sk_buff *skb)
+int dev_loopback_xmit(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
         skb_reset_mac_header(skb);
         __skb_pull(skb, skb_network_offset(skb));
@@ -3143,11 +3145,11 @@ out:
         return rc;
 }
 
-int dev_queue_xmit_sk(struct sock *sk, struct sk_buff *skb)
+int dev_queue_xmit(struct sk_buff *skb)
 {
         return __dev_queue_xmit(skb, NULL);
 }
-EXPORT_SYMBOL(dev_queue_xmit_sk);
+EXPORT_SYMBOL(dev_queue_xmit);
 
 int dev_queue_xmit_accel(struct sk_buff *skb, void *accel_priv)
 {
@@ -3668,6 +3670,14 @@ static inline struct sk_buff *handle_ing(struct sk_buff *skb,
         case TC_ACT_QUEUED:
                 kfree_skb(skb);
                 return NULL;
+        case TC_ACT_REDIRECT:
+                /* skb_mac_header check was done by cls/act_bpf, so
+                 * we can safely push the L2 header back before
+                 * redirecting to another netdev
+                 */
+                __skb_push(skb, skb->mac_len);
+                skb_do_redirect(skb);
+                return NULL;
         default:
                 break;
         }
@@ -3982,13 +3992,13 @@ static int netif_receive_skb_internal(struct sk_buff *skb)
  *      NET_RX_SUCCESS: no congestion
  *      NET_RX_DROP: packet was dropped
  */
-int netif_receive_skb_sk(struct sock *sk, struct sk_buff *skb)
+int netif_receive_skb(struct sk_buff *skb)
 {
         trace_netif_receive_skb_entry(skb);
 
         return netif_receive_skb_internal(skb);
 }
-EXPORT_SYMBOL(netif_receive_skb_sk);
+EXPORT_SYMBOL(netif_receive_skb);
 
 /* Network device is going away, flush any packets still pending
  * Called with irqs disabled.
@@ -4857,8 +4867,7 @@ struct netdev_adjacent {
         struct rcu_head rcu;
 };
 
-static struct netdev_adjacent *__netdev_find_adj(struct net_device *dev,
-                                                 struct net_device *adj_dev,
+static struct netdev_adjacent *__netdev_find_adj(struct net_device *adj_dev,
                                                  struct list_head *adj_list)
 {
         struct netdev_adjacent *adj;
@@ -4884,7 +4893,7 @@ bool netdev_has_upper_dev(struct net_device *dev,
 {
         ASSERT_RTNL();
 
-        return __netdev_find_adj(dev, upper_dev, &dev->all_adj_list.upper);
+        return __netdev_find_adj(upper_dev, &dev->all_adj_list.upper);
 }
 EXPORT_SYMBOL(netdev_has_upper_dev);
 
@@ -5146,7 +5155,7 @@ static int __netdev_adjacent_dev_insert(struct net_device *dev,
         struct netdev_adjacent *adj;
         int ret;
 
-        adj = __netdev_find_adj(dev, adj_dev, dev_list);
+        adj = __netdev_find_adj(adj_dev, dev_list);
 
         if (adj) {
                 adj->ref_nr++;
@@ -5202,7 +5211,7 @@ static void __netdev_adjacent_dev_remove(struct net_device *dev,
 {
         struct netdev_adjacent *adj;
 
-        adj = __netdev_find_adj(dev, adj_dev, dev_list);
+        adj = __netdev_find_adj(adj_dev, dev_list);
 
         if (!adj) {
                 pr_err("tried to remove device %s from %s\n",
@@ -5323,10 +5332,10 @@ static int __netdev_upper_dev_link(struct net_device *dev,
                 return -EBUSY;
 
         /* To prevent loops, check if dev is not upper device to upper_dev. */
-        if (__netdev_find_adj(upper_dev, dev, &upper_dev->all_adj_list.upper))
+        if (__netdev_find_adj(dev, &upper_dev->all_adj_list.upper))
                 return -EBUSY;
 
-        if (__netdev_find_adj(dev, upper_dev, &dev->adj_list.upper))
+        if (__netdev_find_adj(upper_dev, &dev->adj_list.upper))
                 return -EEXIST;
 
         if (master && netdev_master_upper_dev_get(dev))
@@ -5604,7 +5613,7 @@ void *netdev_lower_dev_get_private(struct net_device *dev,
 
         if (!lower_dev)
                 return NULL;
-        lower = __netdev_find_adj(dev, lower_dev, &dev->adj_list.lower);
+        lower = __netdev_find_adj(lower_dev, &dev->adj_list.lower);
         if (!lower)
                 return NULL;