Merge remote-tracking branch 'arm-soc/for-next'

[karo-tx-linux.git] / net / openvswitch / vport.c

diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c
index 12a36ac21edaaeddf50442408a1ea27aca975fa0..0ac0fd004d7ed885c009560d966da5b29b47f242 100644 (file)
--- a/net/openvswitch/vport.c
+++ b/net/openvswitch/vport.c
@@ -480,60 +480,32 @@ void ovs_vport_deferred_free(struct vport *vport)
 }
 EXPORT_SYMBOL_GPL(ovs_vport_deferred_free);
 
-int ovs_tunnel_get_egress_info(struct dp_upcall_info *upcall,
-                              struct net *net,
-                              struct sk_buff *skb,
-                              u8 ipproto,
-                              __be16 tp_src,
-                              __be16 tp_dst)
+static unsigned int packet_length(const struct sk_buff *skb)
 {
-       struct ip_tunnel_info *egress_tun_info = upcall->egress_tun_info;
-       const struct ip_tunnel_info *tun_info = skb_tunnel_info(skb);
-       const struct ip_tunnel_key *tun_key;
-       u32 skb_mark = skb->mark;
-       struct rtable *rt;
-       struct flowi4 fl;
-
-       if (unlikely(!tun_info))
-               return -EINVAL;
-       if (ip_tunnel_info_af(tun_info) != AF_INET)
-               return -EINVAL;
-
-       tun_key = &tun_info->key;
-
-       /* Route lookup to get srouce IP address.
-        * The process may need to be changed if the corresponding process
-        * in vports ops changed.
-        */
-       rt = ovs_tunnel_route_lookup(net, tun_key, skb_mark, &fl, ipproto);
-       if (IS_ERR(rt))
-               return PTR_ERR(rt);
+       unsigned int length = skb->len - ETH_HLEN;
 
-       ip_rt_put(rt);
+       if (skb->protocol == htons(ETH_P_8021Q))
+               length -= VLAN_HLEN;
 
-       /* Generate egress_tun_info based on tun_info,
-        * saddr, tp_src and tp_dst
-        */
-       ip_tunnel_key_init(&egress_tun_info->key,
-                          fl.saddr, tun_key->u.ipv4.dst,
-                          tun_key->tos,
-                          tun_key->ttl,
-                          tp_src, tp_dst,
-                          tun_key->tun_id,
-                          tun_key->tun_flags);
-       egress_tun_info->options_len = tun_info->options_len;
-       egress_tun_info->mode = tun_info->mode;
-       upcall->egress_tun_opts = ip_tunnel_info_opts(egress_tun_info);
-       return 0;
+       return length;
 }
-EXPORT_SYMBOL_GPL(ovs_tunnel_get_egress_info);
 
-int ovs_vport_get_egress_tun_info(struct vport *vport, struct sk_buff *skb,
-                                 struct dp_upcall_info *upcall)
+void ovs_vport_send(struct vport *vport, struct sk_buff *skb)
 {
-       /* get_egress_tun_info() is only implemented on tunnel ports. */
-       if (unlikely(!vport->ops->get_egress_tun_info))
-               return -EINVAL;
+       int mtu = vport->dev->mtu;
+
+       if (unlikely(packet_length(skb) > mtu && !skb_is_gso(skb))) {
+               net_warn_ratelimited("%s: dropped over-mtu packet: %d > %d\n",
+                                    vport->dev->name,
+                                    packet_length(skb), mtu);
+               vport->dev->stats.tx_errors++;
+               goto drop;
+       }
+
+       skb->dev = vport->dev;
+       vport->ops->send(skb);
+       return;
 
-       return vport->ops->get_egress_tun_info(vport, skb, upcall);
+drop:
+       kfree_skb(skb);
 }