Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next

Pablo Neira Ayuso says:

====================
Netfilter/IPVS updates for net-next

The following patchset contains Netfilter/IPVS updates for your net-next
tree, more relevant updates in this batch are:

1) Add Maglev support to IPVS. Moreover, store lastest server weight in
   IPVS since this is needed by maglev, patches from from Inju Song.

2) Preparation works to add iptables flowtable support, patches
   from Felix Fietkau.

3) Hand over flows back to conntrack slow path in case of TCP RST/FIN
   packet is seen via new teardown state, also from Felix.

4) Add support for extended netlink error reporting for nf_tables.

5) Support for larger timeouts that 23 days in nf_tables, patch from
   Florian Westphal.

6) Always set an upper limit to dynamic sets, also from Florian.

7) Allow number generator to make map lookups, from Laura Garcia.

8) Use hash_32() instead of opencode hashing in IPVS, from Vicent Bernat.

9) Extend ip6tables SRH match to support previous, next and last SID,
   from Ahmed Abdelsalam.

10) Move Passive OS fingerprint nf_osf.c, from Fernando Fernandez.

11) Expose nf_conntrack_max through ctnetlink, from Florent Fourcot.

12) Several housekeeping patches for xt_NFLOG, x_tables and ebtables,
   from Taehee Yoo.

13) Unify meta bridge with core nft_meta, then make nft_meta built-in.
   Make rt and exthdr built-in too, again from Florian.

14) Missing initialization of tbl->entries in IPVS, from Cong Wang.
====================

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

7 files changed, 174 insertions, 92 deletions

diff --git a/include/uapi/linux/netfilter/nf_nat.h b/include/uapi/linux/netfilter/nf_nat.h
index a33000da7229..4a95c0db14d4 100644
--- a/include/uapi/linux/netfilter/nf_nat.h
+++ b/include/uapi/linux/netfilter/nf_nat.h
@@ -10,6 +10,7 @@
 #define NF_NAT_RANGE_PROTO_RANDOM		(1 << 2)
 #define NF_NAT_RANGE_PERSISTENT			(1 << 3)
 #define NF_NAT_RANGE_PROTO_RANDOM_FULLY		(1 << 4)
+#define NF_NAT_RANGE_PROTO_OFFSET		(1 << 5)
 
 #define NF_NAT_RANGE_PROTO_RANDOM_ALL		\
 	(NF_NAT_RANGE_PROTO_RANDOM | NF_NAT_RANGE_PROTO_RANDOM_FULLY)
@@ -17,7 +18,7 @@
 #define NF_NAT_RANGE_MASK					\
 	(NF_NAT_RANGE_MAP_IPS | NF_NAT_RANGE_PROTO_SPECIFIED |	\
 	 NF_NAT_RANGE_PROTO_RANDOM | NF_NAT_RANGE_PERSISTENT |	\
-	 NF_NAT_RANGE_PROTO_RANDOM_FULLY)
+	 NF_NAT_RANGE_PROTO_RANDOM_FULLY | NF_NAT_RANGE_PROTO_OFFSET)
 
 struct nf_nat_ipv4_range {
 	unsigned int			flags;
@@ -40,4 +41,13 @@ struct nf_nat_range {
 	union nf_conntrack_man_proto	max_proto;
 };
 
+struct nf_nat_range2 {
+	unsigned int			flags;
+	union nf_inet_addr		min_addr;
+	union nf_inet_addr		max_addr;
+	union nf_conntrack_man_proto	min_proto;
+	union nf_conntrack_man_proto	max_proto;
+	union nf_conntrack_man_proto	base_proto;
+};
+
 #endif /* _NETFILTER_NF_NAT_H */
diff --git a/include/uapi/linux/netfilter/nf_osf.h b/include/uapi/linux/netfilter/nf_osf.h
new file mode 100644
index 000000000000..45376eae31ef
--- /dev/null
+++ b/include/uapi/linux/netfilter/nf_osf.h
@@ -0,0 +1,90 @@
+#ifndef _NF_OSF_H
+#define _NF_OSF_H
+
+#define MAXGENRELEN	32
+
+#define NF_OSF_GENRE	(1 << 0)
+#define NF_OSF_TTL	(1 << 1)
+#define NF_OSF_LOG	(1 << 2)
+#define NF_OSF_INVERT	(1 << 3)
+
+#define NF_OSF_LOGLEVEL_ALL		0	/* log all matched fingerprints */
+#define NF_OSF_LOGLEVEL_FIRST		1	/* log only the first matced fingerprint */
+#define NF_OSF_LOGLEVEL_ALL_KNOWN	2	/* do not log unknown packets */
+
+#define NF_OSF_TTL_TRUE			0	/* True ip and fingerprint TTL comparison */
+
+/* Do not compare ip and fingerprint TTL at all */
+#define NF_OSF_TTL_NOCHECK		2
+
+/* Wildcard MSS (kind of).
+ * It is used to implement a state machine for the different wildcard values
+ * of the MSS and window sizes.
+ */
+struct nf_osf_wc {
+	__u32	wc;
+	__u32	val;
+};
+
+/* This struct represents IANA options
+ * http://www.iana.org/assignments/tcp-parameters
+ */
+struct nf_osf_opt {
+	__u16			kind, length;
+	struct nf_osf_wc	wc;
+};
+
+struct nf_osf_info {
+	char	genre[MAXGENRELEN];
+	__u32	len;
+	__u32	flags;
+	__u32	loglevel;
+	__u32	ttl;
+};
+
+struct nf_osf_user_finger {
+	struct nf_osf_wc	wss;
+
+	__u8	ttl, df;
+	__u16	ss, mss;
+	__u16	opt_num;
+
+	char	genre[MAXGENRELEN];
+	char	version[MAXGENRELEN];
+	char	subtype[MAXGENRELEN];
+
+	/* MAX_IPOPTLEN is maximum if all options are NOPs or EOLs */
+	struct nf_osf_opt	opt[MAX_IPOPTLEN];
+};
+
+struct nf_osf_finger {
+	struct rcu_head			rcu_head;
+	struct list_head		finger_entry;
+	struct nf_osf_user_finger	finger;
+};
+
+struct nf_osf_nlmsg {
+	struct nf_osf_user_finger	f;
+	struct iphdr			ip;
+	struct tcphdr			tcp;
+};
+
+/* Defines for IANA option kinds */
+enum iana_options {
+	OSFOPT_EOL = 0,		/* End of options */
+	OSFOPT_NOP,		/* NOP */
+	OSFOPT_MSS,		/* Maximum segment size */
+	OSFOPT_WSO,		/* Window scale option */
+	OSFOPT_SACKP,		/* SACK permitted */
+	OSFOPT_SACK,		/* SACK */
+	OSFOPT_ECHO,
+	OSFOPT_ECHOREPLY,
+	OSFOPT_TS,		/* Timestamp option */
+	OSFOPT_POCP,		/* Partial Order Connection Permitted */
+	OSFOPT_POSP,		/* Partial Order Service Profile */
+
+	/* Others are not used in the current OSF */
+	OSFOPT_EMPTY = 255,
+};
+
+#endif /* _NF_OSF_H */
diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h
index 6a3d653d5b27..ce031cf72288 100644
--- a/include/uapi/linux/netfilter/nf_tables.h
+++ b/include/uapi/linux/netfilter/nf_tables.h
@@ -831,7 +831,9 @@ enum nft_rt_keys {
 	NFT_RT_NEXTHOP4,
 	NFT_RT_NEXTHOP6,
 	NFT_RT_TCPMSS,
+	__NFT_RT_MAX
 };
+#define NFT_RT_MAX		(__NFT_RT_MAX - 1)
 
 /**
  * enum nft_hash_types - nf_tables hash expression types
@@ -949,7 +951,9 @@ enum nft_ct_keys {
 	NFT_CT_DST_IP,
 	NFT_CT_SRC_IP6,
 	NFT_CT_DST_IP6,
+	__NFT_CT_MAX
 };
+#define NFT_CT_MAX		(__NFT_CT_MAX - 1)
 
 /**
  * enum nft_ct_attributes - nf_tables ct expression netlink attributes
@@ -1450,6 +1454,8 @@ enum nft_trace_types {
  * @NFTA_NG_MODULUS: maximum counter value (NLA_U32)
  * @NFTA_NG_TYPE: operation type (NLA_U32)
  * @NFTA_NG_OFFSET: offset to be added to the counter (NLA_U32)
+ * @NFTA_NG_SET_NAME: name of the map to lookup (NLA_STRING)
+ * @NFTA_NG_SET_ID: id of the map (NLA_U32)
  */
 enum nft_ng_attributes {
 	NFTA_NG_UNSPEC,
@@ -1457,6 +1463,8 @@ enum nft_ng_attributes {
 	NFTA_NG_MODULUS,
 	NFTA_NG_TYPE,
 	NFTA_NG_OFFSET,
+	NFTA_NG_SET_NAME,
+	NFTA_NG_SET_ID,
 	__NFTA_NG_MAX
 };
 #define NFTA_NG_MAX	(__NFTA_NG_MAX - 1)
diff --git a/include/uapi/linux/netfilter/nfnetlink_conntrack.h b/include/uapi/linux/netfilter/nfnetlink_conntrack.h
index 77987111cab0..1d41810d17e2 100644
--- a/include/uapi/linux/netfilter/nfnetlink_conntrack.h
+++ b/include/uapi/linux/netfilter/nfnetlink_conntrack.h
@@ -262,6 +262,7 @@ enum ctattr_stats_cpu {
 enum ctattr_stats_global {
 	CTA_STATS_GLOBAL_UNSPEC,
 	CTA_STATS_GLOBAL_ENTRIES,
+	CTA_STATS_GLOBAL_MAX_ENTRIES,
 	__CTA_STATS_GLOBAL_MAX,
 };
 #define CTA_STATS_GLOBAL_MAX (__CTA_STATS_GLOBAL_MAX - 1)
diff --git a/include/uapi/linux/netfilter/xt_osf.h b/include/uapi/linux/netfilter/xt_osf.h
index dad197e2ab99..72956eceeb09 100644
--- a/include/uapi/linux/netfilter/xt_osf.h
+++ b/include/uapi/linux/netfilter/xt_osf.h
@@ -23,101 +23,29 @@
 #include <linux/types.h>
 #include <linux/ip.h>
 #include <linux/tcp.h>
+#include <linux/netfilter/nf_osf.h>
 
-#define MAXGENRELEN		32
+#define XT_OSF_GENRE		NF_OSF_GENRE
+#define XT_OSF_INVERT		NF_OSF_INVERT
 
-#define XT_OSF_GENRE		(1<<0)
-#define	XT_OSF_TTL		(1<<1)
-#define XT_OSF_LOG		(1<<2)
-#define XT_OSF_INVERT		(1<<3)
+#define XT_OSF_TTL		NF_OSF_TTL
+#define XT_OSF_LOG		NF_OSF_LOG
 
-#define XT_OSF_LOGLEVEL_ALL	0	/* log all matched fingerprints */
-#define XT_OSF_LOGLEVEL_FIRST	1	/* log only the first matced fingerprint */
-#define XT_OSF_LOGLEVEL_ALL_KNOWN	2 /* do not log unknown packets */
+#define XT_OSF_LOGLEVEL_ALL		NF_OSF_LOGLEVEL_ALL
+#define XT_OSF_LOGLEVEL_FIRST		NF_OSF_LOGLEVEL_FIRST
+#define XT_OSF_LOGLEVEL_ALL_KNOWN	NF_OSF_LOGLEVEL_ALL_KNOWN
 
-#define XT_OSF_TTL_TRUE		0	/* True ip and fingerprint TTL comparison */
-#define XT_OSF_TTL_LESS		1	/* Check if ip TTL is less than fingerprint one */
-#define XT_OSF_TTL_NOCHECK	2	/* Do not compare ip and fingerprint TTL at all */
+#define XT_OSF_TTL_TRUE		NF_OSF_TTL_TRUE
+#define XT_OSF_TTL_NOCHECK	NF_OSF_TTL_NOCHECK
 
-struct xt_osf_info {
-	char			genre[MAXGENRELEN];
-	__u32			len;
-	__u32			flags;
-	__u32			loglevel;
-	__u32			ttl;
-};
-
-/*
- * Wildcard MSS (kind of).
- * It is used to implement a state machine for the different wildcard values
- * of the MSS and window sizes.
- */
-struct xt_osf_wc {
-	__u32			wc;
-	__u32			val;
-};
-
-/*
- * This struct represents IANA options
- * http://www.iana.org/assignments/tcp-parameters
- */
-struct xt_osf_opt {
-	__u16			kind, length;
-	struct xt_osf_wc	wc;
-};
-
-struct xt_osf_user_finger {
-	struct xt_osf_wc	wss;
-
-	__u8			ttl, df;
-	__u16			ss, mss;
-	__u16			opt_num;
-
-	char			genre[MAXGENRELEN];
-	char			version[MAXGENRELEN];
-	char			subtype[MAXGENRELEN];
+#define XT_OSF_TTL_LESS	1	/* Check if ip TTL is less than fingerprint one */
 
-	/* MAX_IPOPTLEN is maximum if all options are NOPs or EOLs */
-	struct xt_osf_opt	opt[MAX_IPOPTLEN];
-};
-
-struct xt_osf_nlmsg {
-	struct xt_osf_user_finger	f;
-	struct iphdr		ip;
-	struct tcphdr		tcp;
-};
-
-/* Defines for IANA option kinds */
-
-enum iana_options {
-	OSFOPT_EOL = 0,		/* End of options */
-	OSFOPT_NOP, 		/* NOP */
-	OSFOPT_MSS, 		/* Maximum segment size */
-	OSFOPT_WSO, 		/* Window scale option */
-	OSFOPT_SACKP,		/* SACK permitted */
-	OSFOPT_SACK,		/* SACK */
-	OSFOPT_ECHO,
-	OSFOPT_ECHOREPLY,
-	OSFOPT_TS,		/* Timestamp option */
-	OSFOPT_POCP,		/* Partial Order Connection Permitted */
-	OSFOPT_POSP,		/* Partial Order Service Profile */
-
-	/* Others are not used in the current OSF */
-	OSFOPT_EMPTY = 255,
-};
-
-/*
- * Initial window size option state machine: multiple of mss, mtu or
- * plain numeric value. Can also be made as plain numeric value which
- * is not a multiple of specified value.
- */
-enum xt_osf_window_size_options {
-	OSF_WSS_PLAIN	= 0,
-	OSF_WSS_MSS,
-	OSF_WSS_MTU,
-	OSF_WSS_MODULO,
-	OSF_WSS_MAX,
-};
+#define xt_osf_wc		nf_osf_wc
+#define xt_osf_opt		nf_osf_opt
+#define xt_osf_info		nf_osf_info
+#define xt_osf_user_finger	nf_osf_user_finger
+#define xt_osf_finger		nf_osf_finger
+#define xt_osf_nlmsg		nf_osf_nlmsg
 
 /*
  * Add/remove fingerprint from the kernel.
diff --git a/include/uapi/linux/netfilter_bridge/ebtables.h b/include/uapi/linux/netfilter_bridge/ebtables.h
index 0c7dc8315013..3b86c14ea49d 100644
--- a/include/uapi/linux/netfilter_bridge/ebtables.h
+++ b/include/uapi/linux/netfilter_bridge/ebtables.h
@@ -191,6 +191,12 @@ struct ebt_entry {
 	unsigned char elems[0] __attribute__ ((aligned (__alignof__(struct ebt_replace))));
 };
 
+static __inline__ struct ebt_entry_target *
+ebt_get_target(struct ebt_entry *e)
+{
+	return (void *)e + e->target_offset;
+}
+
 /* {g,s}etsockopt numbers */
 #define EBT_BASE_CTL            128
 
diff --git a/include/uapi/linux/netfilter_ipv6/ip6t_srh.h b/include/uapi/linux/netfilter_ipv6/ip6t_srh.h
index f3cc0ef514a7..54ed83360dac 100644
--- a/include/uapi/linux/netfilter_ipv6/ip6t_srh.h
+++ b/include/uapi/linux/netfilter_ipv6/ip6t_srh.h
@@ -17,7 +17,10 @@
 #define IP6T_SRH_LAST_GT        0x0100
 #define IP6T_SRH_LAST_LT        0x0200
 #define IP6T_SRH_TAG            0x0400
-#define IP6T_SRH_MASK           0x07FF
+#define IP6T_SRH_PSID           0x0800
+#define IP6T_SRH_NSID           0x1000
+#define IP6T_SRH_LSID           0x2000
+#define IP6T_SRH_MASK           0x3FFF
 
 /* Values for "mt_invflags" field in struct ip6t_srh */
 #define IP6T_SRH_INV_NEXTHDR    0x0001
@@ -31,7 +34,10 @@
 #define IP6T_SRH_INV_LAST_GT    0x0100
 #define IP6T_SRH_INV_LAST_LT    0x0200
 #define IP6T_SRH_INV_TAG        0x0400
-#define IP6T_SRH_INV_MASK       0x07FF
+#define IP6T_SRH_INV_PSID       0x0800
+#define IP6T_SRH_INV_NSID       0x1000
+#define IP6T_SRH_INV_LSID       0x2000
+#define IP6T_SRH_INV_MASK       0x3FFF
 
 /**
  *      struct ip6t_srh - SRH match options
@@ -54,4 +60,37 @@ struct ip6t_srh {
 	__u16                   mt_invflags;
 };
 
+/**
+ *      struct ip6t_srh1 - SRH match options (revision 1)
+ *      @ next_hdr: Next header field of SRH
+ *      @ hdr_len: Extension header length field of SRH
+ *      @ segs_left: Segments left field of SRH
+ *      @ last_entry: Last entry field of SRH
+ *      @ tag: Tag field of SRH
+ *      @ psid_addr: Address of previous SID in SRH SID list
+ *      @ nsid_addr: Address of NEXT SID in SRH SID list
+ *      @ lsid_addr: Address of LAST SID in SRH SID list
+ *      @ psid_msk: Mask of previous SID in SRH SID list
+ *      @ nsid_msk: Mask of next SID in SRH SID list
+ *      @ lsid_msk: MAsk of last SID in SRH SID list
+ *      @ mt_flags: match options
+ *      @ mt_invflags: Invert the sense of match options
+ */
+
+struct ip6t_srh1 {
+	__u8                    next_hdr;
+	__u8                    hdr_len;
+	__u8                    segs_left;
+	__u8                    last_entry;
+	__u16                   tag;
+	struct in6_addr         psid_addr;
+	struct in6_addr         nsid_addr;
+	struct in6_addr         lsid_addr;
+	struct in6_addr         psid_msk;
+	struct in6_addr         nsid_msk;
+	struct in6_addr         lsid_msk;
+	__u16                   mt_flags;
+	__u16                   mt_invflags;
+};
+
 #endif /*_IP6T_SRH_H*/