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-rw-r--r--include/net/xfrm.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index eea1c327c93..a79702bcdcd 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -19,6 +19,9 @@
#include <net/route.h>
#include <net/ipv6.h>
#include <net/ip6_fib.h>
+#ifdef CONFIG_XFRM_STATISTICS
+#include <net/snmp.h>
+#endif
#define XFRM_PROTO_ESP 50
#define XFRM_PROTO_AH 51
@@ -34,6 +37,17 @@
#define MODULE_ALIAS_XFRM_TYPE(family, proto) \
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)
+#else
+#define XFRM_INC_STATS(field)
+#define XFRM_INC_STATS_BH(field)
+#define XFRM_INC_STATS_USER(field)
+#endif
+
extern struct sock *xfrm_nl;
extern u32 sysctl_xfrm_aevent_etime;
extern u32 sysctl_xfrm_aevent_rseqth;
@@ -1139,6 +1153,10 @@ static inline void xfrm6_fini(void)
}
#endif
+#ifdef CONFIG_XFRM_STATISTICS
+extern int xfrm_proc_init(void);
+#endif
+
extern int xfrm_state_walk(u8 proto, int (*func)(struct xfrm_state *, int, void*), void *);
extern struct xfrm_state *xfrm_state_alloc(void);
extern struct xfrm_state *xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr,