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authorLinus Torvalds <torvalds@linux-foundation.org>2010-12-14 17:33:40 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-12-14 17:33:40 -0800
commitb4fe2a03422e6bd20bd8df5e428109a85c9ea961 (patch)
treeb6505c0599251421fef39c9fa0655f255aac9ed6 /net/ipv6/ip6_tunnel.c
parent85cb7f1264c4d9e60ccdce52740238222e77ccd0 (diff)
parent2a27a03d3a891e87ca33d27a858b4db734a4cbab (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (75 commits) pppoe.c: Fix kernel panic caused by __pppoe_xmit WAN: Fix a TX IRQ causing BUG() in PC300 and PCI200SYN drivers. bnx2x: Advance a version number to 1.60.01-0 bnx2x: Fixed a compilation warning bnx2x: LSO code was broken on BE platforms qlge: Fix deadlock when cancelling worker. net: fix skb_defer_rx_timestamp() cxgb4vf: Ingress Queue Entry Size needs to be 64 bytes phy: add the IC+ IP1001 driver atm: correct sysfs 'device' link creation and parent relationships MAINTAINERS: remove me from tulip SCTP: Fix SCTP_SET_PEER_PRIMARY_ADDR to accpet v4mapped address enic: Bug Fix: Pass napi reference to the isr that services receive queue ipv6: fix nl group when advertising a new link connector: add module alias net: Document the kernel_recvmsg() function r8169: Fix runtime power management hso: IP checksuming doesn't work on GE0301 option cards xfrm: Fix xfrm_state_migrate leak net: Convert netpoll blocking api in bonding driver to be a counter ...
Diffstat (limited to 'net/ipv6/ip6_tunnel.c')
-rw-r--r--net/ipv6/ip6_tunnel.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 2a59610c2a5..70e891a20fb 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1175,6 +1175,8 @@ static void ip6_tnl_link_config(struct ip6_tnl *t)
sizeof (struct ipv6hdr);
dev->mtu = rt->rt6i_dev->mtu - sizeof (struct ipv6hdr);
+ if (!(t->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT))
+ dev->mtu-=8;
if (dev->mtu < IPV6_MIN_MTU)
dev->mtu = IPV6_MIN_MTU;
@@ -1363,12 +1365,17 @@ static const struct net_device_ops ip6_tnl_netdev_ops = {
static void ip6_tnl_dev_setup(struct net_device *dev)
{
+ struct ip6_tnl *t;
+
dev->netdev_ops = &ip6_tnl_netdev_ops;
dev->destructor = ip6_dev_free;
dev->type = ARPHRD_TUNNEL6;
dev->hard_header_len = LL_MAX_HEADER + sizeof (struct ipv6hdr);
dev->mtu = ETH_DATA_LEN - sizeof (struct ipv6hdr);
+ t = netdev_priv(dev);
+ if (!(t->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT))
+ dev->mtu-=8;
dev->flags |= IFF_NOARP;
dev->addr_len = sizeof(struct in6_addr);
dev->features |= NETIF_F_NETNS_LOCAL;