gro: New frags interface to avoid copying shinfo

[pandora-kernel.git] / net / 8021q / vlan_core.c

diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 2886d2f..c1f51e4 100644 (file)
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -89,69 +89,42 @@ static int vlan_gro_common(struct napi_struct *napi, struct vlan_group *grp,
                goto drop;
 
        for (p = napi->gro_list; p; p = p->next) {
-               NAPI_GRO_CB(p)->same_flow = p->dev == skb->dev;
+               NAPI_GRO_CB(p)->same_flow =
+                       p->dev == skb->dev && !compare_ether_header(
+                               skb_mac_header(p), skb_gro_mac_header(skb));
                NAPI_GRO_CB(p)->flush = 0;
        }
 
        return dev_gro_receive(napi, skb);
 
 drop:
-       return 2;
+       return GRO_DROP;
 }
 
 int vlan_gro_receive(struct napi_struct *napi, struct vlan_group *grp,
                     unsigned int vlan_tci, struct sk_buff *skb)
 {
-       int err = NET_RX_SUCCESS;
+       if (netpoll_rx_on(skb))
+               return vlan_hwaccel_receive_skb(skb, grp, vlan_tci);
 
-       if (netpoll_receive_skb(skb))
-               return NET_RX_DROP;
-
-       switch (vlan_gro_common(napi, grp, vlan_tci, skb)) {
-       case -1:
-               return netif_receive_skb(skb);
+       skb_gro_reset_offset(skb);
 
-       case 2:
-               err = NET_RX_DROP;
-               /* fall through */
-
-       case 1:
-               kfree_skb(skb);
-               break;
-       }
-
-       return err;
+       return napi_skb_finish(vlan_gro_common(napi, grp, vlan_tci, skb), skb);
 }
 EXPORT_SYMBOL(vlan_gro_receive);
 
 int vlan_gro_frags(struct napi_struct *napi, struct vlan_group *grp,
-                  unsigned int vlan_tci, struct napi_gro_fraginfo *info)
+                  unsigned int vlan_tci)
 {
-       struct sk_buff *skb = napi_fraginfo_skb(napi, info);
-       int err = NET_RX_DROP;
+       struct sk_buff *skb = napi_frags_skb(napi);
 
        if (!skb)
-               goto out;
-
-       if (netpoll_receive_skb(skb))
-               goto out;
-
-       err = NET_RX_SUCCESS;
-
-       switch (vlan_gro_common(napi, grp, vlan_tci, skb)) {
-       case -1:
-               return netif_receive_skb(skb);
-
-       case 2:
-               err = NET_RX_DROP;
-               /* fall through */
+               return NET_RX_DROP;
 
-       case 1:
-               napi_reuse_skb(napi, skb);
-               break;
-       }
+       if (netpoll_rx_on(skb))
+               return vlan_hwaccel_receive_skb(skb, grp, vlan_tci);
 
-out:
-       return err;
+       return napi_frags_finish(napi, skb,
+                                vlan_gro_common(napi, grp, vlan_tci, skb));
 }
 EXPORT_SYMBOL(vlan_gro_frags);