X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Fnet%2Fxfrm.h;h=ac52f33f3e4af06113dc060fd4a8282e6f837c94;hb=3a3076f4d6e2fa31338a0b007df42a3b32f079e0;hp=d1350bcccb03c68efb07bac000b16c0f9cb49ca1;hpb=2532386f480eefbdd67b48be55fb4fb3e5a6081c;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index d1350bc..ac52f33 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -12,6 +12,7 @@
 #include <linux/in6.h>
 #include <linux/mutex.h>
 #include <linux/audit.h>
+#include <linux/slab.h>
 
 #include <net/sock.h>
 #include <net/dst.h>
@@ -19,6 +20,9 @@
 #include <net/route.h>
 #include <net/ipv6.h>
 #include <net/ip6_fib.h>
+
+#include <linux/interrupt.h>
+
 #ifdef CONFIG_XFRM_STATISTICS
 #include <net/snmp.h>
 #endif
@@ -38,22 +42,15 @@
 	MODULE_ALIAS("xfrm-type-" __stringify(family) "-" __stringify(proto))
 
 #ifdef CONFIG_XFRM_STATISTICS
-DECLARE_SNMP_STAT(struct linux_xfrm_mib, xfrm_statistics);
-#define XFRM_INC_STATS(field)		SNMP_INC_STATS(xfrm_statistics, field)
-#define XFRM_INC_STATS_BH(field)	SNMP_INC_STATS_BH(xfrm_statistics, field)
-#define XFRM_INC_STATS_USER(field) 	SNMP_INC_STATS_USER(xfrm_statistics, field)
+#define XFRM_INC_STATS(net, field)	SNMP_INC_STATS((net)->mib.xfrm_statistics, field)
+#define XFRM_INC_STATS_BH(net, field)	SNMP_INC_STATS_BH((net)->mib.xfrm_statistics, field)
+#define XFRM_INC_STATS_USER(net, field)	SNMP_INC_STATS_USER((net)-mib.xfrm_statistics, field)
 #else
-#define XFRM_INC_STATS(field)
-#define XFRM_INC_STATS_BH(field)
-#define XFRM_INC_STATS_USER(field)
+#define XFRM_INC_STATS(net, field)	((void)(net))
+#define XFRM_INC_STATS_BH(net, field)	((void)(net))
+#define XFRM_INC_STATS_USER(net, field)	((void)(net))
 #endif
 
-extern struct sock *xfrm_nl;
-extern u32 sysctl_xfrm_aevent_etime;
-extern u32 sysctl_xfrm_aevent_rseqth;
-extern int sysctl_xfrm_larval_drop;
-extern u32 sysctl_xfrm_acq_expires;
-
 extern struct mutex xfrm_cfg_mutex;
 
 /* Organization of SPD aka "XFRM rules"
@@ -117,12 +114,25 @@ extern struct mutex xfrm_cfg_mutex;
       metrics. Plus, it will be made via sk->sk_dst_cache. Solved.
  */
 
-/* Full description of state of transformer. */
-struct xfrm_state
-{
-	/* Note: bydst is re-used during gc */
+struct xfrm_state_walk {
 	struct list_head	all;
-	struct hlist_node	bydst;
+	u8			state;
+	union {
+		u8		dying;
+		u8		proto;
+	};
+	u32			seq;
+};
+
+/* Full description of state of transformer. */
+struct xfrm_state {
+#ifdef CONFIG_NET_NS
+	struct net		*xs_net;
+#endif
+	union {
+		struct hlist_node	gclist;
+		struct hlist_node	bydst;
+	};
 	struct hlist_node	bysrc;
 	struct hlist_node	byspi;
 
@@ -131,15 +141,12 @@ struct xfrm_state
 
 	struct xfrm_id		id;
 	struct xfrm_selector	sel;
+	struct xfrm_mark	mark;
 
 	u32			genid;
 
-	/* Key manger bits */
-	struct {
-		u8		state;
-		u8		dying;
-		u32		seq;
-	} km;
+	/* Key manager bits */
+	struct xfrm_state_walk	km;
 
 	/* Parameters of this state. */
 	struct {
@@ -157,7 +164,7 @@ struct xfrm_state
 	struct xfrm_lifetime_cfg lft;
 
 	/* Data for transformer */
-	struct xfrm_algo	*aalg;
+	struct xfrm_algo_auth	*aalg;
 	struct xfrm_algo	*ealg;
 	struct xfrm_algo	*calg;
 	struct xfrm_algo_aead	*aead;
@@ -196,7 +203,7 @@ struct xfrm_state
 	struct xfrm_stats	stats;
 
 	struct xfrm_lifetime_cur curlft;
-	struct timer_list	timer;
+	struct tasklet_hrtimer	mtimer;
 
 	/* Last used time */
 	unsigned long		lastused;
@@ -216,6 +223,11 @@ struct xfrm_state
 	void			*data;
 };
 
+static inline struct net *xs_net(struct xfrm_state *x)
+{
+	return read_pnet(&x->xs_net);
+}
+
 /* xflags - make enum if more show up */
 #define XFRM_TIME_DEFER	1
 
@@ -229,8 +241,7 @@ enum {
 };
 
 /* callback structure passed from either netlink or pfkey */
-struct km_event
-{
+struct km_event {
 	union {
 		u32 hard;
 		u32 proto;
@@ -242,6 +253,7 @@ struct km_event
 	u32	seq;
 	u32	pid;
 	u32	event;
+	struct net *net;
 };
 
 struct net_device;
@@ -250,10 +262,11 @@ struct xfrm_dst;
 struct xfrm_policy_afinfo {
 	unsigned short		family;
 	struct dst_ops		*dst_ops;
-	void			(*garbage_collect)(void);
-	struct dst_entry	*(*dst_lookup)(int tos, xfrm_address_t *saddr,
+	void			(*garbage_collect)(struct net *net);
+	struct dst_entry	*(*dst_lookup)(struct net *net, int tos,
+					       xfrm_address_t *saddr,
 					       xfrm_address_t *daddr);
-	int			(*get_saddr)(xfrm_address_t *saddr, xfrm_address_t *daddr);
+	int			(*get_saddr)(struct net *net, xfrm_address_t *saddr, xfrm_address_t *daddr);
 	struct dst_entry	*(*find_bundle)(struct flowi *fl, struct xfrm_policy *policy);
 	void			(*decode_session)(struct sk_buff *skb,
 						  struct flowi *fl,
@@ -263,7 +276,8 @@ struct xfrm_policy_afinfo {
 					     struct dst_entry *dst,
 					     int nfheader_len);
 	int			(*fill_dst)(struct xfrm_dst *xdst,
-					    struct net_device *dev);
+					    struct net_device *dev,
+					    struct flowi *fl);
 };
 
 extern int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo);
@@ -303,12 +317,11 @@ extern int xfrm_state_unregister_afinfo(struct xfrm_state_afinfo *afinfo);
 
 extern void xfrm_state_delete_tunnel(struct xfrm_state *x);
 
-struct xfrm_type
-{
+struct xfrm_type {
 	char			*description;
 	struct module		*owner;
-	__u8			proto;
-	__u8			flags;
+	u8			proto;
+	u8			flags;
 #define XFRM_TYPE_NON_FRAGMENT	1
 #define XFRM_TYPE_REPLAY_PROT	2
 #define XFRM_TYPE_LOCAL_COADDR	4
@@ -410,8 +423,7 @@ static inline struct xfrm_mode *xfrm_ip2inner_mode(struct xfrm_state *x, int ipp
 		return x->inner_mode_iaf;
 }
 
-struct xfrm_tmpl
-{
+struct xfrm_tmpl {
 /* id in template is interpreted as:
  * daddr - destination of tunnel, may be zero for transport mode.
  * spi   - zero to acquire spi. Not zero if spi is static, then
@@ -425,32 +437,43 @@ struct xfrm_tmpl
 
 	unsigned short		encap_family;
 
-	__u32			reqid;
+	u32			reqid;
 
 /* Mode: transport, tunnel etc. */
-	__u8			mode;
+	u8			mode;
 
 /* Sharing mode: unique, this session only, this user only etc. */
-	__u8			share;
+	u8			share;
 
 /* May skip this transfomration if no SA is found */
-	__u8			optional;
+	u8			optional;
 
 /* Skip aalgos/ealgos/calgos checks. */
-	__u8			allalgs;
+	u8			allalgs;
 
 /* Bit mask of algos allowed for acquisition */
-	__u32			aalgos;
-	__u32			ealgos;
-	__u32			calgos;
+	u32			aalgos;
+	u32			ealgos;
+	u32			calgos;
 };
 
 #define XFRM_MAX_DEPTH		6
 
-struct xfrm_policy
-{
-	struct xfrm_policy	*next;
-	struct list_head	bytype;
+struct xfrm_policy_walk_entry {
+	struct list_head	all;
+	u8			dead;
+};
+
+struct xfrm_policy_walk {
+	struct xfrm_policy_walk_entry walk;
+	u8 type;
+	u32 seq;
+};
+
+struct xfrm_policy {
+#ifdef CONFIG_NET_NS
+	struct net		*xp_net;
+#endif
 	struct hlist_node	bydst;
 	struct hlist_node	byidx;
 
@@ -461,21 +484,33 @@ struct xfrm_policy
 
 	u32			priority;
 	u32			index;
+	struct xfrm_mark	mark;
 	struct xfrm_selector	selector;
 	struct xfrm_lifetime_cfg lft;
 	struct xfrm_lifetime_cur curlft;
 	struct dst_entry       *bundles;
-	u16			family;
+	struct xfrm_policy_walk_entry walk;
 	u8			type;
 	u8			action;
 	u8			flags;
-	u8			dead;
 	u8			xfrm_nr;
-	/* XXX 1 byte hole, try to pack */
+	u16			family;
 	struct xfrm_sec_ctx	*security;
 	struct xfrm_tmpl       	xfrm_vec[XFRM_MAX_DEPTH];
 };
 
+static inline struct net *xp_net(struct xfrm_policy *xp)
+{
+	return read_pnet(&xp->xp_net);
+}
+
+struct xfrm_kmaddress {
+	xfrm_address_t          local;
+	xfrm_address_t          remote;
+	u32			reserved;
+	u16			family;
+};
+
 struct xfrm_migrate {
 	xfrm_address_t		old_daddr;
 	xfrm_address_t		old_saddr;
@@ -505,8 +540,7 @@ struct xfrm_migrate {
 /* default seq threshold size */
 #define XFRM_AE_SEQT_SIZE		2
 
-struct xfrm_mgr
-{
+struct xfrm_mgr {
 	struct list_head	list;
 	char			*id;
 	int			(*notify)(struct xfrm_state *x, struct km_event *c);
@@ -514,15 +548,13 @@ struct xfrm_mgr
 	struct xfrm_policy	*(*compile_policy)(struct sock *sk, int opt, u8 *data, int len, int *dir);
 	int			(*new_mapping)(struct xfrm_state *x, xfrm_address_t *ipaddr, __be16 sport);
 	int			(*notify_policy)(struct xfrm_policy *x, int dir, struct km_event *c);
-	int			(*report)(u8 proto, struct xfrm_selector *sel, xfrm_address_t *addr);
-	int			(*migrate)(struct xfrm_selector *sel, u8 dir, u8 type, struct xfrm_migrate *m, int num_bundles);
+	int			(*report)(struct net *net, u8 proto, struct xfrm_selector *sel, xfrm_address_t *addr);
+	int			(*migrate)(struct xfrm_selector *sel, u8 dir, u8 type, struct xfrm_migrate *m, int num_bundles, struct xfrm_kmaddress *k);
 };
 
 extern int xfrm_register_km(struct xfrm_mgr *km);
 extern int xfrm_unregister_km(struct xfrm_mgr *km);
 
-extern unsigned int xfrm_policy_count[XFRM_POLICY_MAX*2];
-
 /*
  * This structure is used for the duration where packets are being
  * transformed by IPsec.  As soon as the packet leaves IPsec the
@@ -595,8 +627,7 @@ struct xfrm_spi_skb_cb {
 #define XFRM_SPI_SKB_CB(__skb) ((struct xfrm_spi_skb_cb *)&((__skb)->cb[0]))
 
 /* Audit Information */
-struct xfrm_audit
-{
+struct xfrm_audit {
 	u32	secid;
 	uid_t	loginuid;
 	u32	sessionid;
@@ -648,14 +679,46 @@ extern void xfrm_audit_state_notfound(struct sk_buff *skb, u16 family,
 extern void xfrm_audit_state_icvfail(struct xfrm_state *x,
 				     struct sk_buff *skb, u8 proto);
 #else
-#define xfrm_audit_policy_add(x, r, a, se, s)	do { ; } while (0)
-#define xfrm_audit_policy_delete(x, r, a, se, s)	do { ; } while (0)
-#define xfrm_audit_state_add(x, r, a, se, s)	do { ; } while (0)
-#define xfrm_audit_state_delete(x, r, a, se, s)	do { ; } while (0)
-#define xfrm_audit_state_replay_overflow(x, s)	do { ; } while (0)
-#define xfrm_audit_state_notfound_simple(s, f)	do { ; } while (0)
-#define xfrm_audit_state_notfound(s, f, sp, sq)	do { ; } while (0)
-#define xfrm_audit_state_icvfail(x, s, p)	do { ; } while (0)
+
+static inline void xfrm_audit_policy_add(struct xfrm_policy *xp, int result,
+				  u32 auid, u32 ses, u32 secid)
+{
+}
+
+static inline void xfrm_audit_policy_delete(struct xfrm_policy *xp, int result,
+				  u32 auid, u32 ses, u32 secid)
+{
+}
+
+static inline void xfrm_audit_state_add(struct xfrm_state *x, int result,
+				 u32 auid, u32 ses, u32 secid)
+{
+}
+
+static inline void xfrm_audit_state_delete(struct xfrm_state *x, int result,
+				    u32 auid, u32 ses, u32 secid)
+{
+}
+
+static inline void xfrm_audit_state_replay_overflow(struct xfrm_state *x,
+					     struct sk_buff *skb)
+{
+}
+
+static inline void xfrm_audit_state_notfound_simple(struct sk_buff *skb,
+				      u16 family)
+{
+}
+
+static inline void xfrm_audit_state_notfound(struct sk_buff *skb, u16 family,
+				      __be32 net_spi, __be32 net_seq)
+{
+}
+
+static inline void xfrm_audit_state_icvfail(struct xfrm_state *x,
+				     struct sk_buff *skb, u8 proto)
+{
+}
 #endif /* CONFIG_AUDITSYSCALL */
 
 static inline void xfrm_pol_hold(struct xfrm_policy *policy)
@@ -711,7 +774,7 @@ static __inline__ int addr_match(void *token1, void *token2, int prefixlen)
 	int pdw;
 	int pbi;
 
-	pdw = prefixlen >> 5;	  /* num of whole __u32 in prefix */
+	pdw = prefixlen >> 5;	  /* num of whole u32 in prefix */
 	pbi = prefixlen &  0x1f;  /* num of bits in incomplete u32 in prefix */
 
 	if (pdw)
@@ -808,8 +871,7 @@ static inline int xfrm_sec_ctx_match(struct xfrm_sec_ctx *s1, struct xfrm_sec_ct
  * bundles differing by session id. All the bundles grow from a parent
  * policy rule.
  */
-struct xfrm_dst
-{
+struct xfrm_dst {
 	union {
 		struct dst_entry	dst;
 		struct rtable		rt;
@@ -827,6 +889,7 @@ struct xfrm_dst
 	u32 path_cookie;
 };
 
+#ifdef CONFIG_XFRM
 static inline void xfrm_dst_destroy(struct xfrm_dst *xdst)
 {
 	dst_release(xdst->route);
@@ -839,11 +902,11 @@ static inline void xfrm_dst_destroy(struct xfrm_dst *xdst)
 	xdst->partner = NULL;
 #endif
 }
+#endif
 
 extern void xfrm_dst_ifdown(struct dst_entry *dst, struct net_device *dev);
 
-struct sec_path
-{
+struct sec_path {
 	atomic_t		refcnt;
 	int			len;
 	struct xfrm_state	*xvec[XFRM_MAX_DEPTH];
@@ -922,13 +985,14 @@ static inline int __xfrm_policy_check2(struct sock *sk, int dir,
 				       struct sk_buff *skb,
 				       unsigned int family, int reverse)
 {
+	struct net *net = dev_net(skb->dev);
 	int ndir = dir | (reverse ? XFRM_POLICY_MASK + 1 : 0);
 
 	if (sk && sk->sk_policy[XFRM_POLICY_IN])
 		return __xfrm_policy_check(sk, ndir, skb, family);
 
-	return	(!xfrm_policy_count[dir] && !skb->sp) ||
-		(skb->dst->flags & DST_NOPOLICY) ||
+	return	(!net->xfrm.policy_count[dir] && !skb->sp) ||
+		(skb_dst(skb)->flags & DST_NOPOLICY) ||
 		__xfrm_policy_check(sk, ndir, skb, family);
 }
 
@@ -979,8 +1043,10 @@ extern int __xfrm_route_forward(struct sk_buff *skb, unsigned short family);
 
 static inline int xfrm_route_forward(struct sk_buff *skb, unsigned short family)
 {
-	return	!xfrm_policy_count[XFRM_POLICY_OUT] ||
-		(skb->dst->flags & DST_NOXFRM) ||
+	struct net *net = dev_net(skb->dev);
+
+	return	!net->xfrm.policy_count[XFRM_POLICY_OUT] ||
+		(skb_dst(skb)->flags & DST_NOXFRM) ||
 		__xfrm_route_forward(skb, family);
 }
 
@@ -1197,7 +1263,7 @@ struct xfrm_algo_desc {
 /* XFRM tunnel handlers.  */
 struct xfrm_tunnel {
 	int (*handler)(struct sk_buff *skb);
-	int (*err_handler)(struct sk_buff *skb, __u32 info);
+	int (*err_handler)(struct sk_buff *skb, u32 info);
 
 	struct xfrm_tunnel *next;
 	int priority;
@@ -1206,26 +1272,15 @@ struct xfrm_tunnel {
 struct xfrm6_tunnel {
 	int (*handler)(struct sk_buff *skb);
 	int (*err_handler)(struct sk_buff *skb, struct inet6_skb_parm *opt,
-			   int type, int code, int offset, __be32 info);
+			   u8 type, u8 code, int offset, __be32 info);
 	struct xfrm6_tunnel *next;
 	int priority;
 };
 
-struct xfrm_state_walk {
-	struct xfrm_state *state;
-	int count;
-	u8 proto;
-};
-
-struct xfrm_policy_walk {
-	struct xfrm_policy *policy;
-	int count;
-	u8 type, cur_type;
-};
-
 extern void xfrm_init(void);
-extern void xfrm4_init(void);
-extern void xfrm_state_init(void);
+extern void xfrm4_init(int rt_hash_size);
+extern int xfrm_state_init(struct net *net);
+extern void xfrm_state_fini(struct net *net);
 extern void xfrm4_state_init(void);
 #ifdef CONFIG_XFRM
 extern int xfrm6_init(void);
@@ -1244,32 +1299,30 @@ static inline void xfrm6_fini(void)
 #endif
 
 #ifdef CONFIG_XFRM_STATISTICS
-extern int xfrm_proc_init(void);
+extern int xfrm_proc_init(struct net *net);
+extern void xfrm_proc_fini(struct net *net);
 #endif
 
-static inline void xfrm_state_walk_init(struct xfrm_state_walk *walk, u8 proto)
-{
-	walk->proto = proto;
-	walk->state = NULL;
-	walk->count = 0;
-}
-
-static inline void xfrm_state_walk_done(struct xfrm_state_walk *walk)
+extern int xfrm_sysctl_init(struct net *net);
+#ifdef CONFIG_SYSCTL
+extern void xfrm_sysctl_fini(struct net *net);
+#else
+static inline void xfrm_sysctl_fini(struct net *net)
 {
-	if (walk->state != NULL) {
-		xfrm_state_put(walk->state);
-		walk->state = NULL;
-	}
 }
+#endif
 
-extern int xfrm_state_walk(struct xfrm_state_walk *walk,
+extern void xfrm_state_walk_init(struct xfrm_state_walk *walk, u8 proto);
+extern int xfrm_state_walk(struct net *net, struct xfrm_state_walk *walk,
 			   int (*func)(struct xfrm_state *, int, void*), void *);
-extern struct xfrm_state *xfrm_state_alloc(void);
+extern void xfrm_state_walk_done(struct xfrm_state_walk *walk);
+extern struct xfrm_state *xfrm_state_alloc(struct net *net);
 extern struct xfrm_state *xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr, 
 					  struct flowi *fl, struct xfrm_tmpl *tmpl,
 					  struct xfrm_policy *pol, int *err,
 					  unsigned short family);
-extern struct xfrm_state * xfrm_stateonly_find(xfrm_address_t *daddr,
+extern struct xfrm_state *xfrm_stateonly_find(struct net *net, u32 mark,
+					       xfrm_address_t *daddr,
 					       xfrm_address_t *saddr,
 					       unsigned short family,
 					       u8 mode, u8 proto, u32 reqid);
@@ -1277,8 +1330,14 @@ extern int xfrm_state_check_expire(struct xfrm_state *x);
 extern void xfrm_state_insert(struct xfrm_state *x);
 extern int xfrm_state_add(struct xfrm_state *x);
 extern int xfrm_state_update(struct xfrm_state *x);
-extern struct xfrm_state *xfrm_state_lookup(xfrm_address_t *daddr, __be32 spi, u8 proto, unsigned short family);
-extern struct xfrm_state *xfrm_state_lookup_byaddr(xfrm_address_t *daddr, xfrm_address_t *saddr, u8 proto, unsigned short family);
+extern struct xfrm_state *xfrm_state_lookup(struct net *net, u32 mark,
+					    xfrm_address_t *daddr, __be32 spi,
+					    u8 proto, unsigned short family);
+extern struct xfrm_state *xfrm_state_lookup_byaddr(struct net *net, u32 mark,
+						   xfrm_address_t *daddr,
+						   xfrm_address_t *saddr,
+						   u8 proto,
+						   unsigned short family);
 #ifdef CONFIG_XFRM_SUB_POLICY
 extern int xfrm_tmpl_sort(struct xfrm_tmpl **dst, struct xfrm_tmpl **src,
 			  int n, unsigned short family);
@@ -1315,11 +1374,12 @@ struct xfrmk_spdinfo {
 	u32 spdhmcnt;
 };
 
-extern struct xfrm_state *xfrm_find_acq_byseq(u32 seq);
+extern struct xfrm_state *xfrm_find_acq_byseq(struct net *net, u32 mark,
+					      u32 seq);
 extern int xfrm_state_delete(struct xfrm_state *x);
-extern int xfrm_state_flush(u8 proto, struct xfrm_audit *audit_info);
-extern void xfrm_sad_getinfo(struct xfrmk_sadinfo *si);
-extern void xfrm_spd_getinfo(struct xfrmk_spdinfo *si);
+extern int xfrm_state_flush(struct net *net, u8 proto, struct xfrm_audit *audit_info);
+extern void xfrm_sad_getinfo(struct net *net, struct xfrmk_sadinfo *si);
+extern void xfrm_spd_getinfo(struct net *net, struct xfrmk_spdinfo *si);
 extern int xfrm_replay_check(struct xfrm_state *x,
 			     struct sk_buff *skb, __be32 seq);
 extern void xfrm_replay_advance(struct xfrm_state *x, __be32 seq);
@@ -1359,9 +1419,9 @@ extern int xfrm6_input_addr(struct sk_buff *skb, xfrm_address_t *daddr,
 			    xfrm_address_t *saddr, u8 proto);
 extern int xfrm6_tunnel_register(struct xfrm6_tunnel *handler, unsigned short family);
 extern int xfrm6_tunnel_deregister(struct xfrm6_tunnel *handler, unsigned short family);
-extern __be32 xfrm6_tunnel_alloc_spi(xfrm_address_t *saddr);
-extern void xfrm6_tunnel_free_spi(xfrm_address_t *saddr);
-extern __be32 xfrm6_tunnel_spi_lookup(xfrm_address_t *saddr);
+extern __be32 xfrm6_tunnel_alloc_spi(struct net *net, xfrm_address_t *saddr);
+extern void xfrm6_tunnel_free_spi(struct net *net, xfrm_address_t *saddr);
+extern __be32 xfrm6_tunnel_spi_lookup(struct net *net, xfrm_address_t *saddr);
 extern int xfrm6_extract_output(struct xfrm_state *x, struct sk_buff *skb);
 extern int xfrm6_prepare_output(struct xfrm_state *x, struct sk_buff *skb);
 extern int xfrm6_output(struct sk_buff *skb);
@@ -1385,56 +1445,46 @@ static inline int xfrm4_udp_encap_rcv(struct sock *sk, struct sk_buff *skb)
 }
 #endif
 
-struct xfrm_policy *xfrm_policy_alloc(gfp_t gfp);
-
-static inline void xfrm_policy_walk_init(struct xfrm_policy_walk *walk, u8 type)
-{
-	walk->cur_type = XFRM_POLICY_TYPE_MAIN;
-	walk->type = type;
-	walk->policy = NULL;
-	walk->count = 0;
-}
-
-static inline void xfrm_policy_walk_done(struct xfrm_policy_walk *walk)
-{
-	if (walk->policy != NULL) {
-		xfrm_pol_put(walk->policy);
-		walk->policy = NULL;
-	}
-}
+struct xfrm_policy *xfrm_policy_alloc(struct net *net, gfp_t gfp);
 
-extern int xfrm_policy_walk(struct xfrm_policy_walk *walk,
+extern void xfrm_policy_walk_init(struct xfrm_policy_walk *walk, u8 type);
+extern int xfrm_policy_walk(struct net *net, struct xfrm_policy_walk *walk,
 	int (*func)(struct xfrm_policy *, int, int, void*), void *);
+extern void xfrm_policy_walk_done(struct xfrm_policy_walk *walk);
 int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl);
-struct xfrm_policy *xfrm_policy_bysel_ctx(u8 type, int dir,
+struct xfrm_policy *xfrm_policy_bysel_ctx(struct net *net, u32 mark,
+					  u8 type, int dir,
 					  struct xfrm_selector *sel,
 					  struct xfrm_sec_ctx *ctx, int delete,
 					  int *err);
-struct xfrm_policy *xfrm_policy_byid(u8, int dir, u32 id, int delete, int *err);
-int xfrm_policy_flush(u8 type, struct xfrm_audit *audit_info);
+struct xfrm_policy *xfrm_policy_byid(struct net *net, u32 mark, u8, int dir, u32 id, int delete, int *err);
+int xfrm_policy_flush(struct net *net, u8 type, struct xfrm_audit *audit_info);
 u32 xfrm_get_acqseq(void);
 extern int xfrm_alloc_spi(struct xfrm_state *x, u32 minspi, u32 maxspi);
-struct xfrm_state * xfrm_find_acq(u8 mode, u32 reqid, u8 proto,
-				  xfrm_address_t *daddr, xfrm_address_t *saddr,
-				  int create, unsigned short family);
+struct xfrm_state *xfrm_find_acq(struct net *net, struct xfrm_mark *mark,
+				 u8 mode, u32 reqid, u8 proto,
+				 xfrm_address_t *daddr,
+				 xfrm_address_t *saddr, int create,
+				 unsigned short family);
 extern int xfrm_sk_policy_insert(struct sock *sk, int dir, struct xfrm_policy *pol);
 extern int xfrm_bundle_ok(struct xfrm_policy *pol, struct xfrm_dst *xdst,
 			  struct flowi *fl, int family, int strict);
 
 #ifdef CONFIG_XFRM_MIGRATE
 extern int km_migrate(struct xfrm_selector *sel, u8 dir, u8 type,
-		      struct xfrm_migrate *m, int num_bundles);
+		      struct xfrm_migrate *m, int num_bundles,
+		      struct xfrm_kmaddress *k);
 extern struct xfrm_state * xfrm_migrate_state_find(struct xfrm_migrate *m);
 extern struct xfrm_state * xfrm_state_migrate(struct xfrm_state *x,
 					      struct xfrm_migrate *m);
 extern int xfrm_migrate(struct xfrm_selector *sel, u8 dir, u8 type,
-			struct xfrm_migrate *m, int num_bundles);
+			struct xfrm_migrate *m, int num_bundles,
+			struct xfrm_kmaddress *k);
 #endif
 
-extern wait_queue_head_t km_waitq;
 extern int km_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr, __be16 sport);
 extern void km_policy_expired(struct xfrm_policy *pol, int dir, int hard, u32 pid);
-extern int km_report(u8 proto, struct xfrm_selector *sel, xfrm_address_t *addr);
+extern int km_report(struct net *net, u8 proto, struct xfrm_selector *sel, xfrm_address_t *addr);
 
 extern void xfrm_input_init(void);
 extern int xfrm_parse_spi(struct sk_buff *skb, u8 nexthdr, __be32 *spi, __be32 *seq);
@@ -1458,16 +1508,13 @@ struct scatterlist;
 typedef int (icv_update_fn_t)(struct hash_desc *, struct scatterlist *,
 			      unsigned int);
 
-extern int skb_icv_walk(const struct sk_buff *skb, struct hash_desc *tfm,
-			int offset, int len, icv_update_fn_t icv_update);
-
 static inline int xfrm_addr_cmp(xfrm_address_t *a, xfrm_address_t *b,
 				int family)
 {
 	switch (family) {
 	default:
 	case AF_INET:
-		return (__force __u32)a->a4 - (__force __u32)b->a4;
+		return (__force u32)a->a4 - (__force u32)b->a4;
 	case AF_INET6:
 		return ipv6_addr_cmp((struct in6_addr *)a,
 				     (struct in6_addr *)b);
@@ -1479,30 +1526,42 @@ static inline int xfrm_policy_id2dir(u32 index)
 	return index & 7;
 }
 
-static inline int xfrm_aevent_is_on(void)
+#ifdef CONFIG_XFRM
+static inline int xfrm_aevent_is_on(struct net *net)
 {
 	struct sock *nlsk;
 	int ret = 0;
 
 	rcu_read_lock();
-	nlsk = rcu_dereference(xfrm_nl);
+	nlsk = rcu_dereference(net->xfrm.nlsk);
 	if (nlsk)
 		ret = netlink_has_listeners(nlsk, XFRMNLGRP_AEVENTS);
 	rcu_read_unlock();
 	return ret;
 }
+#endif
 
 static inline int xfrm_alg_len(struct xfrm_algo *alg)
 {
 	return sizeof(*alg) + ((alg->alg_key_len + 7) / 8);
 }
 
+static inline int xfrm_alg_auth_len(struct xfrm_algo_auth *alg)
+{
+	return sizeof(*alg) + ((alg->alg_key_len + 7) / 8);
+}
+
 #ifdef CONFIG_XFRM_MIGRATE
 static inline struct xfrm_algo *xfrm_algo_clone(struct xfrm_algo *orig)
 {
 	return kmemdup(orig, xfrm_alg_len(orig), GFP_KERNEL);
 }
 
+static inline struct xfrm_algo_auth *xfrm_algo_auth_clone(struct xfrm_algo_auth *orig)
+{
+	return kmemdup(orig, xfrm_alg_auth_len(orig), GFP_KERNEL);
+}
+
 static inline void xfrm_states_put(struct xfrm_state **states, int n)
 {
 	int i;
@@ -1518,9 +1577,31 @@ static inline void xfrm_states_delete(struct xfrm_state **states, int n)
 }
 #endif
 
+#ifdef CONFIG_XFRM
 static inline struct xfrm_state *xfrm_input_state(struct sk_buff *skb)
 {
 	return skb->sp->xvec[skb->sp->len - 1];
 }
+#endif
+
+static inline int xfrm_mark_get(struct nlattr **attrs, struct xfrm_mark *m)
+{
+	if (attrs[XFRMA_MARK])
+		memcpy(m, nla_data(attrs[XFRMA_MARK]), sizeof(m));
+	else
+		m->v = m->m = 0;
+
+	return m->v & m->m;
+}
+
+static inline int xfrm_mark_put(struct sk_buff *skb, struct xfrm_mark *m)
+{
+	if (m->m | m->v)
+		NLA_PUT(skb, XFRMA_MARK, sizeof(struct xfrm_mark), m);
+	return 0;
+
+nla_put_failure:
+	return -1;
+}
 
 #endif	/* _NET_XFRM_H */