--- old/usr/src/uts/common/inet/ip/ip.c	Fri Aug 29 10:35:19 2008
+++ new/usr/src/uts/common/inet/ip/ip.c	Fri Aug 29 10:35:18 2008
@@ -6698,6 +6698,8 @@
 		uint_t	flags = (unsigned int)tcph->th_flags[0] & 0xFF;
 		BUMP_MIB(recv_ill->ill_ip_mib, ipIfStatsHCInDelivers);
 		if ((flags & TH_RST) || (flags & TH_URG)) {
+			DTRACE_TCP5(receive, mblk_t *, NULL, conn_t *, NULL,
+			    void_ip_t *, ipha, tcp_t *, NULL, tcph_t *, tcph);
 			CONN_DEC_REF(connp);
 			freemsg(first_mp);
 			return;
@@ -6709,6 +6711,8 @@
 			return;
 		}
 
+		DTRACE_TCP5(receive, mblk_t *, NULL, conn_t *, NULL,
+		    void_ip_t *, ipha, tcp_t *, NULL, tcph_t *, tcph);
 		CONN_DEC_REF(connp);
 		freemsg(first_mp);
 		return;
@@ -13137,6 +13141,8 @@
 		BUMP_MIB(ill->ill_ip_mib, ipIfStatsHCInDelivers);
 		/* No need to send this packet to TCP */
 		if ((flags & TH_RST) || (flags & TH_URG)) {
+			DTRACE_TCP5(receive, mblk_t *, NULL, conn_t *, NULL,
+			    void_ip_t *, ipha, tcp_t *, NULL, tcph_t *, tcph);
 			CONN_DEC_REF(connp);
 			freemsg(first_mp);
 			return (NULL);
@@ -13148,6 +13154,9 @@
 			return (NULL);
 		}
 
+		DTRACE_TCP5(receive, mblk_t *, NULL, conn_t *, NULL,
+		    void_ip_t *, ipha, tcp_t *, NULL, tcph_t *, tcph);
+
 		CONN_DEC_REF(connp);
 		freemsg(first_mp);
 		return (NULL);