vlan: deliver packets received with VLAN acceleration to network taps

[linux-2.6-omap-h63xx.git] / net / core / dev.c

diff --git a/net/core/dev.c b/net/core/dev.c
index a29a359b15d1657acf898a26da74396387423470..feaab4898a5b9a3d0385cad0e5bfca4d9c019319 100644 (file)
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2068,6 +2068,33 @@ out:
 }
 #endif
 
+/*
+ *     netif_nit_deliver - deliver received packets to network taps
+ *     @skb: buffer
+ *
+ *     This function is used to deliver incoming packets to network
+ *     taps. It should be used when the normal netif_receive_skb path
+ *     is bypassed, for example because of VLAN acceleration.
+ */
+void netif_nit_deliver(struct sk_buff *skb)
+{
+       struct packet_type *ptype;
+
+       if (list_empty(&ptype_all))
+               return;
+
+       skb_reset_network_header(skb);
+       skb_reset_transport_header(skb);
+       skb->mac_len = skb->network_header - skb->mac_header;
+
+       rcu_read_lock();
+       list_for_each_entry_rcu(ptype, &ptype_all, list) {
+               if (!ptype->dev || ptype->dev == skb->dev)
+                       deliver_skb(skb, ptype, skb->dev);
+       }
+       rcu_read_unlock();
+}
+
 /**
  *     netif_receive_skb - process receive buffer from network
  *     @skb: buffer to process