datapath: Use vlan acceleration for vlan operations.

[sliver-openvswitch.git] / datapath / vport-internal_dev.c

diff --git a/datapath/vport-internal_dev.c b/datapath/vport-internal_dev.c
index 74a7dfd..0b91b34 100644 (file)
--- a/datapath/vport-internal_dev.c
+++ b/datapath/vport-internal_dev.c
@@ -1,11 +1,12 @@
 /*
- * Copyright (c) 2009, 2010 Nicira Networks.
+ * Copyright (c) 2009, 2010, 2011 Nicira Networks.
  * Distributed under the terms of the GNU GPL version 2.
  *
  * Significant portions of this file may be copied from parts of the Linux
  * kernel, by Linus Torvalds and others.
  */
 
+#include <linux/if_vlan.h>
 #include <linux/kernel.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
@@ -15,6 +16,7 @@
 
 #include "checksum.h"
 #include "datapath.h"
+#include "vlan.h"
 #include "vport-generic.h"
 #include "vport-internal_dev.h"
 #include "vport-netdev.h"
@@ -72,6 +74,7 @@ static int internal_dev_mac_addr(struct net_device *dev, void *p)
 static int internal_dev_xmit(struct sk_buff *skb, struct net_device *netdev)
 {
        compute_ip_summed(skb, true);
+       vlan_copy_skb_tci(skb);
        OVS_CB(skb)->flow = NULL;
 
        vport_receive(internal_dev_priv(netdev)->vport, skb);
@@ -93,10 +96,7 @@ static int internal_dev_stop(struct net_device *netdev)
 static void internal_dev_getinfo(struct net_device *netdev,
                                 struct ethtool_drvinfo *info)
 {
-       struct vport *vport = internal_dev_get_vport(netdev);
-
        strcpy(info->driver, "openvswitch");
-       sprintf(info->bus_info, "%d.%d", vport->dp->dp_idx, vport->port_no);
 }
 
 static const struct ethtool_ops internal_dev_ethtool_ops = {
@@ -220,6 +220,7 @@ static int internal_dev_destroy(struct vport *vport)
        dev_set_promiscuity(netdev_vport->dev, -1);
 
        unregister_netdevice(netdev_vport->dev);
+       /* unregister_netdevice() waits for an RCU grace period. */
        vport_free(vport);
 
        return 0;
@@ -230,8 +231,13 @@ static int internal_dev_recv(struct vport *vport, struct sk_buff *skb)
        struct net_device *netdev = netdev_vport_priv(vport)->dev;
        int len;
 
-       skb->dev = netdev;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,37)
+       if (unlikely(vlan_deaccel_tag(skb)))
+               return 0;
+#endif
+
        len = skb->len;
+       skb->dev = netdev;
        skb->pkt_type = PACKET_HOST;
        skb->protocol = eth_type_trans(skb, netdev);
 
@@ -248,7 +254,7 @@ static int internal_dev_recv(struct vport *vport, struct sk_buff *skb)
 }
 
 const struct vport_ops internal_vport_ops = {
-       .type           = "internal",
+       .type           = ODP_VPORT_TYPE_INTERNAL,
        .flags          = VPORT_F_REQUIRED | VPORT_F_GEN_STATS | VPORT_F_FLOW,
        .create         = internal_dev_create,
        .destroy        = internal_dev_destroy,