--- old/usr/src/uts/common/inet/tcp/tcp_fusion.c	Fri Aug 29 10:35:35 2008
+++ new/usr/src/uts/common/inet/tcp/tcp_fusion.c	Fri Aug 29 10:35:33 2008
@@ -777,6 +777,8 @@
 	BUMP_LOCAL(tcp->tcp_obsegs);
 	BUMP_LOCAL(peer_tcp->tcp_ibsegs);
 
+	DTRACE_TCPF5(send, void, NULL, conn_t *, NULL,
+	    __dtrace_tcpf_ipinfo_t *, tcp, tcp_t *, tcp, uint_t, send_size);
 	DTRACE_PROBE2(tcp__fuse__output, tcp_t *, tcp, uint_t, send_size);
 
 	if (!TCP_IS_DETACHED(peer_tcp)) {
@@ -917,6 +919,10 @@
 	if (tcp->tcp_direct_sockfs && !sd_rd_eof)
 		(void) strrput_sig(q, B_TRUE);
 
+	DTRACE_TCPF5(receive, void, NULL, conn_t *, NULL,
+	    __dtrace_tcpf_ipinfo_t *, tcp, tcp_t *, tcp, uint_t,
+	    tcp->tcp_rcv_cnt);
+
 	ASSERT(cnt == tcp->tcp_rcv_cnt);
 	tcp->tcp_rcv_last_head = NULL;
 	tcp->tcp_rcv_last_tail = NULL;
@@ -1026,6 +1032,9 @@
 
 	if ((mp = tcp->tcp_rcv_list) != NULL) {
 
+		DTRACE_TCPF5(receive, void, NULL, conn_t *, NULL,
+		    __dtrace_tcpf_ipinfo_t *, tcp, tcp_t *, tcp, uint_t,
+		    tcp->tcp_rcv_cnt);
 		DTRACE_PROBE3(tcp__fuse__rrw, tcp_t *, tcp,
 		    uint32_t, tcp->tcp_rcv_cnt, ssize_t, dp->d_uio.uio_resid);