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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-07-09 22:34:25 +0200 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-07-09 22:34:25 +0200 |
| commit | f974a8ec96571535ee07880a023bcce0e3f2c76b (patch) | |
| tree | 5cf09207b1ad292a55275cd0b24999fa29b9dfe8 /drivers/net/tun.c | |
| parent | [ARM] 5143/1: pxa: further cleanup PXA Kconfig by removing one (diff) | |
| parent | [ARM] mach-types update (diff) | |
| download | linux-f974a8ec96571535ee07880a023bcce0e3f2c76b.tar.xz linux-f974a8ec96571535ee07880a023bcce0e3f2c76b.zip | |
Merge branch 'machtypes' into pxa-palm
Diffstat (limited to 'drivers/net/tun.c')
| -rw-r--r-- | drivers/net/tun.c | 15 |
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; |