diff --git a/sys/netinet/in_kdtrace.h b/sys/netinet/in_kdtrace.h
--- a/sys/netinet/in_kdtrace.h
+++ b/sys/netinet/in_kdtrace.h
@@ -54,6 +54,7 @@
 
 SDT_PROBE_DECLARE(ip, , , receive);
 SDT_PROBE_DECLARE(ip, , , send);
+SDT_PROBE_DECLARE(ip, , , count);
 
 SDT_PROBE_DECLARE(tcp, , , accept__established);
 SDT_PROBE_DECLARE(tcp, , , accept__refused);
diff --git a/sys/netinet/in_kdtrace.c b/sys/netinet/in_kdtrace.c
--- a/sys/netinet/in_kdtrace.c
+++ b/sys/netinet/in_kdtrace.c
@@ -51,6 +51,10 @@
     "struct ip *", "ipv4info_t *",
     "struct ip6_hdr *", "ipv6info_t *");
 
+SDT_PROBE_DEFINE2(ip, , , count,
+    "char *",
+    "int");
+
 SDT_PROBE_DEFINE5_XLATE(tcp, , , accept__established,
     "void *", "pktinfo_t *",
     "struct tcpcb *", "csinfo_t *",
diff --git a/sys/netinet/ip_var.h b/sys/netinet/ip_var.h
--- a/sys/netinet/ip_var.h
+++ b/sys/netinet/ip_var.h
@@ -136,15 +136,19 @@
 
 #include <sys/counter.h>
 #include <net/vnet.h>
+#include <netinet/in_kdtrace.h>
 
 VNET_PCPUSTAT_DECLARE(struct ipstat, ipstat);
 /*
  * In-kernel consumers can use these accessor macros directly to update
  * stats.
  */
-#define	IPSTAT_ADD(name, val)	\
-    VNET_PCPUSTAT_ADD(struct ipstat, ipstat, name, (val))
-#define	IPSTAT_SUB(name, val)	IPSTAT_ADD(name, -(val))
+#define IPSTAT_ADD(name, val)                                          \
+	do {                                                           \
+		SDT_PROBE2(ip, , , count, #name, val);                 \
+		VNET_PCPUSTAT_ADD(struct ipstat, ipstat, name, (val)); \
+	} while (0)
+#define IPSTAT_SUB(name, val) IPSTAT_ADD(name, -(val))
 #define	IPSTAT_INC(name)	IPSTAT_ADD(name, 1)
 #define	IPSTAT_DEC(name)	IPSTAT_SUB(name, 1)
 
@@ -152,11 +156,19 @@
  * Kernel module consumers must use this accessor macro.
  */
 void	kmod_ipstat_inc(int statnum);
-#define	KMOD_IPSTAT_INC(name)	\
-    kmod_ipstat_inc(offsetof(struct ipstat, name) / sizeof(uint64_t))
-void	kmod_ipstat_dec(int statnum);
-#define	KMOD_IPSTAT_DEC(name)	\
-    kmod_ipstat_dec(offsetof(struct ipstat, name) / sizeof(uint64_t))
+#define KMOD_IPSTAT_INC(name)                                          \
+	do {                                                           \
+		SDT_PROBE2(ip, , , count, #name, 1);                   \
+		kmod_ipstat_inc(                                       \
+		    offsetof(struct ipstat, name) / sizeof(uint64_t)); \
+	} while (0)
+void kmod_ipstat_dec(int statnum);
+#define KMOD_IPSTAT_DEC(name)                                          \
+	do {                                                           \
+		SDT_PROBE2(ip, , , count, #name, -1);                  \
+		kmod_ipstat_dec(                                       \
+		    offsetof(struct ipstat, name) / sizeof(uint64_t)); \
+	} while (0)
 
 /* flags passed to ip_output as last parameter */
 #define	IP_FORWARDING		0x1		/* most of ip header exists */