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authorIngo Molnar <mingo@elte.hu>2008-06-23 11:29:11 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-23 11:29:11 +0200
commit1e74f9cbbba5348a6c58988cce0f19d6ef887cc8 (patch)
tree47fcfdba6a17a02cf6745146ebb2ae435405ab1a /drivers/net/tun.c
parent31a72bce0bd6f3e0114009288bccbc96376eeeca (diff)
parent481c5346d0981940ee63037eb53e4e37b0735c10 (diff)
Merge branch 'linus' into core/rcutip-core-rcu-2008-06-23_09.29_Mon
Diffstat (limited to 'drivers/net/tun.c')
-rw-r--r--drivers/net/tun.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 0ce07a339c7e..7ab94c825b57 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -313,6 +313,21 @@ static __inline__ ssize_t tun_get_user(struct tun_struct *tun, struct iovec *iv,
switch (tun->flags & TUN_TYPE_MASK) {
case TUN_TUN_DEV:
+ if (tun->flags & TUN_NO_PI) {
+ switch (skb->data[0] & 0xf0) {
+ case 0x40:
+ pi.proto = htons(ETH_P_IP);
+ break;
+ case 0x60:
+ pi.proto = htons(ETH_P_IPV6);
+ break;
+ default:
+ tun->dev->stats.rx_dropped++;
+ kfree_skb(skb);
+ return -EINVAL;
+ }
+ }
+
skb_reset_mac_header(skb);
skb->protocol = pi.proto;
skb->dev = tun->dev;