Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next

Pablo Neira Ayuso says:

====================
The following batch contains Netfilter/IPVS updates for net-next,
they are:

* Enforce policy to several nfnetlink subsystem, from Daniel
  Borkmann.

* Use xt_socket to match the third packet (to perform simplistic
  socket-based stateful filtering), from Eric Dumazet.

* Avoid large timeout for picked up from the middle TCP flows,
  from Florian Westphal.

* Exclude IPVS from struct net if IPVS is disabled and removal
  of unnecessary included header file, from JunweiZhang.

* Release SCTP connection immediately under load, to mimic current
  TCP behaviour, from Julian Anastasov.

* Replace and enhance SCTP state machine, from Julian Anastasov.

* Add tweak to reduce sync traffic in the presence of persistence,
  also from Julian Anastasov.

* Add tweak for the IPVS SH scheduler not to reject connections
  directed to a server, choose a new one instead, from Alexander
  Frolkin.

* Add support for sloppy TCP and SCTP modes, that creates state
  information on any packet, not only initial handshake packets,
  from Alexander Frolkin.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 15 insertions, 0 deletions

diff --git a/include/uapi/linux/ip_vs.h b/include/uapi/linux/ip_vs.h
index a24537725e80..29458223d044 100644
--- a/include/uapi/linux/ip_vs.h
+++ b/include/uapi/linux/ip_vs.h
@@ -20,6 +20,12 @@
 #define IP_VS_SVC_F_PERSISTENT  0x0001          /* persistent port */
 #define IP_VS_SVC_F_HASHED      0x0002          /* hashed entry */
 #define IP_VS_SVC_F_ONEPACKET   0x0004          /* one-packet scheduling */
+#define IP_VS_SVC_F_SCHED1      0x0008          /* scheduler flag 1 */
+#define IP_VS_SVC_F_SCHED2      0x0010          /* scheduler flag 2 */
+#define IP_VS_SVC_F_SCHED3      0x0020          /* scheduler flag 3 */
+
+#define IP_VS_SVC_F_SCHED_SH_FALLBACK   IP_VS_SVC_F_SCHED1 /* SH fallback */
+#define IP_VS_SVC_F_SCHED_SH_PORT       IP_VS_SVC_F_SCHED2 /* SH use port */
 
 /*
  *      Destination Server Flags
diff --git a/include/uapi/linux/netfilter/nfnetlink_queue.h b/include/uapi/linux/netfilter/nfnetlink_queue.h
index a2308ae5a73d..3a9b92147339 100644
--- a/include/uapi/linux/netfilter/nfnetlink_queue.h
+++ b/include/uapi/linux/netfilter/nfnetlink_queue.h
@@ -105,5 +105,7 @@ enum nfqnl_attr_config {
 #define NFQA_SKB_CSUMNOTREADY (1 << 0)
 /* packet is GSO (i.e., exceeds device mtu) */
 #define NFQA_SKB_GSO (1 << 1)
+/* csum not validated (incoming device doesn't support hw checksum, etc.) */
+#define NFQA_SKB_CSUM_NOTVERIFIED (1 << 2)
 
 #endif /* _NFNETLINK_QUEUE_H */
diff --git a/include/uapi/linux/netfilter/xt_socket.h b/include/uapi/linux/netfilter/xt_socket.h
index 26d7217bd4f1..6315e2ac3474 100644
--- a/include/uapi/linux/netfilter/xt_socket.h
+++ b/include/uapi/linux/netfilter/xt_socket.h
@@ -5,10 +5,17 @@
 
 enum {
         XT_SOCKET_TRANSPARENT = 1 << 0,
+        XT_SOCKET_NOWILDCARD = 1 << 1,
 };
 
 struct xt_socket_mtinfo1 {
         __u8 flags;
 };
+#define XT_SOCKET_FLAGS_V1 XT_SOCKET_TRANSPARENT
+
+struct xt_socket_mtinfo2 {
+        __u8 flags;
+};
+#define XT_SOCKET_FLAGS_V2 (XT_SOCKET_TRANSPARENT | XT_SOCKET_NOWILDCARD)
 
 #endif /* _XT_SOCKET_H */