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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-25 15:50:32 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-25 15:50:32 -0700 |
| commit | 06dbbfef8296d6dc23e5d8030a0e8e7b20df3b7c (patch) | |
| tree | 9f93c1a56082d80e5741bb2a231e93314efbcd7e /net/ipv4/ip_gre.c | |
| parent | 22fa8d59be28affbecc6ae87abf528aebeebff24 (diff) | |
| parent | 03cf786c4e83dba404ad23ca58f49147ae52dffd (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
[IPV4]: Explicitly call fib_get_table() in fib_frontend.c
[NET]: Use BUILD_BUG_ON in net/core/flowi.c
[NET]: Remove in-code externs for some functions from net/core/dev.c
[NET]: Don't declare extern variables in net/core/sysctl_net_core.c
[TCP]: Remove unneeded implicit type cast when calling tcp_minshall_update()
[NET]: Treat the sign of the result of skb_headroom() consistently
[9P]: Fix missing unlock before return in p9_mux_poll_start
[PKT_SCHED]: Fix sch_prio.c build with CONFIG_NETDEVICES_MULTIQUEUE
[IPV4] ip_gre: sendto/recvfrom NBMA address
[SCTP]: Consolidate sctp_ulpq_renege_xxx functions
[NETLINK]: Fix ACK processing after netlink_dump_start
[VLAN]: MAINTAINERS update
[DCCP]: Implement SIOCINQ/FIONREAD
[NET]: Validate device addr prior to interface-up
Diffstat (limited to 'net/ipv4/ip_gre.c')
| -rw-r--r-- | net/ipv4/ip_gre.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index f151900efaf9..02b02a8d681c 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -674,7 +674,7 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) struct rtable *rt; /* Route to the other host */ struct net_device *tdev; /* Device to other host */ struct iphdr *iph; /* Our new IP header */ - int max_headroom; /* The extra header space needed */ + unsigned int max_headroom; /* The extra header space needed */ int gre_hlen; __be32 dst; int mtu; @@ -1033,7 +1033,6 @@ static int ipgre_tunnel_change_mtu(struct net_device *dev, int new_mtu) return 0; } -#ifdef CONFIG_NET_IPGRE_BROADCAST /* Nice toy. Unfortunately, useless in real life :-) It allows to construct virtual multiprotocol broadcast "LAN" over the Internet, provided multicast routing is tuned. @@ -1092,10 +1091,19 @@ static int ipgre_header(struct sk_buff *skb, struct net_device *dev, return -t->hlen; } +static int ipgre_header_parse(const struct sk_buff *skb, unsigned char *haddr) +{ + struct iphdr *iph = (struct iphdr*) skb_mac_header(skb); + memcpy(haddr, &iph->saddr, 4); + return 4; +} + static const struct header_ops ipgre_header_ops = { .create = ipgre_header, + .parse = ipgre_header_parse, }; +#ifdef CONFIG_NET_IPGRE_BROADCAST static int ipgre_open(struct net_device *dev) { struct ip_tunnel *t = netdev_priv(dev); @@ -1197,6 +1205,8 @@ static int ipgre_tunnel_init(struct net_device *dev) dev->stop = ipgre_close; } #endif + } else { + dev->header_ops = &ipgre_header_ops; } if (!tdev && tunnel->parms.link) |