- bound vnet mods by #ifdef

- bound runtime vnet code by if (vnet_active)
- vnet needs packet_ops and packet_family_ops, export them if configured

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index df4cd76..5d18568 100644 (file)
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -453,8 +453,11 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev,  struct packe
        sk = pt->af_packet_priv;
        po = pkt_sk(sk);
 
-       if ((int) sk->sk_xid > 0 && sk->sk_xid != skb->xid)
+#if defined(CONFIG_VNET) || defined(CONFIG_VNET_MODULE)
+       if (vnet_active &&
+           (int) sk->sk_xid > 0 && sk->sk_xid != skb->xid)
                goto drop;
+#endif
 
        skb->dev = dev;
 
@@ -1801,14 +1804,19 @@ struct proto_ops packet_ops = {
        .mmap =         packet_mmap,
        .sendpage =     sock_no_sendpage,
 };
-EXPORT_SYMBOL(packet_ops);
 
+#if defined(CONFIG_VNET) || defined(CONFIG_VNET_MODULE)
+EXPORT_SYMBOL(packet_ops);
+struct net_proto_family packet_family_ops;
+EXPORT_SYMBOL(packet_family_ops);
+#else
+static
+#endif
 struct net_proto_family packet_family_ops = {
        .family =       PF_PACKET,
        .create =       packet_create,
        .owner  =       THIS_MODULE,
 };
-EXPORT_SYMBOL(packet_family_ops);
 
 static struct notifier_block packet_netdev_notifier = {
        .notifier_call =packet_notifier,