PERFORCE change 128922 for review

[Kip Macy]

http://perforce.freebsd.org/chv.cgi?CH=128922

Change 128922 by kmacy at kmacy:storage:toestack on 2007/11/11 05:39:03

	disable non-enforceable checks in the offload case

Affected files ...

.. //depot/projects/toestack/sys/netinet/tcp_syncache.c#6 edit

Differences ...

==== //depot/projects/toestack/sys/netinet/tcp_syncache.c#6 (text+ko) ====

@@ -877,7 +877,7 @@
 	 * Segment validation:
 	 * ACK must match our initial sequence number + 1 (the SYN|ACK).
 	 */
-	if (th->th_ack != sc->sc_iss + 1) {
+	if (th->th_ack != sc->sc_iss + 1 && sc->sc_inc.inc_eh == NULL) {
 		if ((s = tcp_log_addrs(inc, th, NULL, NULL)))
 			log(LOG_DEBUG, "%s; %s: ACK %u != ISS+1 %u, segment "
 			    "rejected\n", s, __func__, th->th_ack, sc->sc_iss);
@@ -888,7 +888,7 @@
 	 * number + 1 (the SYN) because we didn't ACK any data that
 	 * may have come with the SYN.
 	 */
-	if (th->th_seq != sc->sc_irs + 1) {
+	if (th->th_seq != sc->sc_irs + 1 && sc->sc_inc.inc_eh == NULL) {
 		if ((s = tcp_log_addrs(inc, th, NULL, NULL)))
 			log(LOG_DEBUG, "%s; %s: SEQ %u != IRS+1 %u, segment "
 			    "rejected\n", s, __func__, th->th_seq, sc->sc_irs);
@@ -915,7 +915,7 @@
 	 * If timestamps were negotiated the reflected timestamp
 	 * must be equal to what we actually sent in the SYN|ACK.
 	 */
-	if ((to->to_flags & TOF_TS) && to->to_tsecr != sc->sc_ts) {
+	if ((to->to_flags & TOF_TS) && to->to_tsecr != sc->sc_ts && sc->sc_inc.inc_eh == NULL) {
 		if ((s = tcp_log_addrs(inc, th, NULL, NULL)))
 			log(LOG_DEBUG, "%s; %s: TSECR %u != TS %u, "
 			    "segment rejected\n",