X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=datapath%2Fvport-internal_dev.c;h=5b3b2b3db7014448a2d677c6c73124996347dee7;hb=f97ffebfb8e66d7ce0ed78517dff322aa4825aea;hp=be2907454ebe5fe4870522036d1884f76326829f;hpb=6e0ce48e27d5a845bdc8b57fb41bcec8a54f336a;p=openvswitch

diff --git a/datapath/vport-internal_dev.c b/datapath/vport-internal_dev.c
index be290745..5b3b2b3d 100644
--- a/datapath/vport-internal_dev.c
+++ b/datapath/vport-internal_dev.c
@@ -6,6 +6,8 @@
  * kernel, by Linus Torvalds and others.
  */
 
+#include <linux/hardirq.h>
+#include <linux/if_vlan.h>
 #include <linux/kernel.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
@@ -72,7 +74,11 @@ static int internal_dev_mac_addr(struct net_device *dev, void *p)
 /* Called with rcu_read_lock and bottom-halves disabled. */
 static int internal_dev_xmit(struct sk_buff *skb, struct net_device *netdev)
 {
-	compute_ip_summed(skb, true);
+	if (unlikely(compute_ip_summed(skb, true))) {
+		kfree_skb(skb);
+		return 0;
+	}
+
 	vlan_copy_skb_tci(skb);
 	OVS_CB(skb)->flow = NULL;
 
@@ -131,6 +137,14 @@ static int internal_dev_do_ioctl(struct net_device *dev, struct ifreq *ifr, int
 	return -EOPNOTSUPP;
 }
 
+static void internal_dev_destructor(struct net_device *dev)
+{
+	struct vport *vport = internal_dev_get_vport(dev);
+
+	vport_free(vport);
+	free_netdev(dev);
+}
+
 #ifdef HAVE_NET_DEVICE_OPS
 static const struct net_device_ops internal_dev_netdev_ops = {
 	.ndo_open = internal_dev_open,
@@ -159,7 +173,7 @@ static void do_setup(struct net_device *netdev)
 	netdev->change_mtu = internal_dev_change_mtu;
 #endif
 
-	netdev->destructor = free_netdev;
+	netdev->destructor = internal_dev_destructor;
 	SET_ETHTOOL_OPS(netdev, &internal_dev_ethtool_ops);
 	netdev->tx_queue_len = 0;
 
@@ -167,6 +181,11 @@ static void do_setup(struct net_device *netdev)
 	netdev->features = NETIF_F_LLTX | NETIF_F_SG | NETIF_F_FRAGLIST |
 				NETIF_F_HIGHDMA | NETIF_F_HW_CSUM | NETIF_F_TSO;
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
+	netdev->vlan_features = netdev->features;
+	netdev->features |= NETIF_F_HW_VLAN_TX;
+#endif
+
 	vport_gen_rand_ether_addr(netdev->dev_addr);
 }
 
@@ -218,9 +237,8 @@ static int internal_dev_destroy(struct vport *vport)
 	netif_stop_queue(netdev_vport->dev);
 	dev_set_promiscuity(netdev_vport->dev, -1);
 
-	unregister_netdevice(netdev_vport->dev);
 	/* unregister_netdevice() waits for an RCU grace period. */
-	vport_free(vport);
+	unregister_netdevice(netdev_vport->dev);
 
 	return 0;
 }
@@ -230,10 +248,16 @@ 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);
+	forward_ip_summed(skb, false);
 
 	if (in_interrupt())
 		netif_rx(skb);