Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (183 commits)
  [TG3]: Update version to 3.78.
  [TG3]: Add missing NVRAM strapping.
  [TG3]: Enable auto MDI.
  [TG3]: Fix the polarity bit.
  [TG3]: Fix irq_sync race condition.
  [NET_SCHED]: ematch: module autoloading
  [TCP]: tcp probe wraparound handling and other changes
  [RTNETLINK]: rtnl_link: allow specifying initial device address
  [RTNETLINK]: rtnl_link API simplification
  [VLAN]: Fix MAC address handling
  [ETH]: Validate address in eth_mac_addr
  [NET]: Fix races in net_rx_action vs netpoll.
  [AF_UNIX]: Rewrite garbage collector, fixes race.
  [NETFILTER]: {ip, nf}_conntrack_sctp: fix remotely triggerable NULL ptr dereference (CVE-2007-2876)
  [NET]: Make all initialized struct seq_operations const.
  [UDP]: Fix length check.
  [IPV6]: Remove unneeded pointer idev from addrconf_cleanup().
  [DECNET]: Another unnecessary net/tcp.h inclusion in net/dn.h
  [IPV6]: Make IPV6_{RECV,2292}RTHDR boolean options.
  [IPV6]: Do not send RH0 anymore.
  ...

Fixed up trivial conflict in Documentation/feature-removal-schedule.txt
manually.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/udp.h b/include/linux/udp.h
index 6de445c31a64..8ec703f462da 100644
--- a/include/linux/udp.h
+++ b/include/linux/udp.h
@@ -42,6 +42,7 @@ static inline struct udphdr *udp_hdr(const struct sk_buff *skb)
 /* UDP encapsulation types */
 #define UDP_ENCAP_ESPINUDP_NON_IKE      1 /* draft-ietf-ipsec-nat-t-ike-00/01 */
 #define UDP_ENCAP_ESPINUDP      2 /* draft-ietf-ipsec-udp-encaps-06 */
+#define UDP_ENCAP_L2TPINUDP     3 /* rfc2661 */
 
 #ifdef __KERNEL__
 #include <linux/types.h>
@@ -70,6 +71,11 @@ struct udp_sock {
 #define UDPLITE_SEND_CC  0x2            /* set via udplite setsockopt         */
 #define UDPLITE_RECV_CC  0x4            /* set via udplite setsocktopt        */
         __u8             pcflag;        /* marks socket as UDP-Lite if > 0    */
+        __u8             unused[3];
+        /*
+         * For encapsulation sockets.
+         */
+        int (*encap_rcv)(struct sock *sk, struct sk_buff *skb);
 };
 
 static inline struct udp_sock *udp_sk(const struct sock *sk)