49 sctp_send_shutdown(sctp_t *sctp, int rexmit)  in sctp_send_shutdown()  argument
56 	sctp_stack_t	*sctps = sctp->sctp_sctps;  in sctp_send_shutdown()
58 	if (sctp->sctp_state != SCTPS_ESTABLISHED &&  in sctp_send_shutdown()
59 	    sctp->sctp_state != SCTPS_SHUTDOWN_PENDING &&  in sctp_send_shutdown()
60 	    sctp->sctp_state != SCTPS_SHUTDOWN_SENT) {  in sctp_send_shutdown()
64 	if (sctp->sctp_state == SCTPS_ESTABLISHED) {  in sctp_send_shutdown()
65 		sctp->sctp_state = SCTPS_SHUTDOWN_PENDING;  in sctp_send_shutdown()
77 		sctp->sctp_out_time = ddi_get_lbolt64();  in sctp_send_shutdown()
83 	if (sctp->sctp_xmit_head != NULL || sctp->sctp_xmit_unsent != NULL) {  in sctp_send_shutdown()
89 		fp = sctp->sctp_current;  in sctp_send_shutdown()
91 		fp = sctp_rotate_faddr(sctp, sctp->sctp_shutdown_faddr);  in sctp_send_shutdown()
94 	sctp->sctp_shutdown_faddr = fp;  in sctp_send_shutdown()
97 	if (sctp->sctp_state > SCTPS_SHUTDOWN_PENDING &&  in sctp_send_shutdown()
98 	    (sendmp = sctp_make_sack(sctp, fp, NULL)) != NULL) {  in sctp_send_shutdown()
110 		sendmp = sctp_make_mp(sctp, fp,  in sctp_send_shutdown()
120 		sctp->sctp_lastacked = sctp->sctp_ftsn - 1;  in sctp_send_shutdown()
128 	*ctsn = htonl(sctp->sctp_lastacked);  in sctp_send_shutdown()
132 	BUMP_LOCAL(sctp->sctp_obchunks);  in sctp_send_shutdown()
135 	sctp_set_iplen(sctp, sendmp, fp->sf_ixa);  in sctp_send_shutdown()
137 	BUMP_LOCAL(sctp->sctp_opkts);  in sctp_send_shutdown()
140 	sctp->sctp_state = SCTPS_SHUTDOWN_SENT;  in sctp_send_shutdown()
141 	SCTP_FADDR_TIMER_RESTART(sctp, sctp->sctp_current,  in sctp_send_shutdown()
142 	    sctp->sctp_current->sf_rto);  in sctp_send_shutdown()
146 sctp_shutdown_received(sctp_t *sctp, sctp_chunk_hdr_t *sch, boolean_t crwsd,  in sctp_shutdown_received()  argument
153 	if (sctp->sctp_state != SCTPS_SHUTDOWN_ACK_SENT)  in sctp_shutdown_received()
154 		sctp->sctp_state = SCTPS_SHUTDOWN_RECEIVED;  in sctp_shutdown_received()
160 		if (!SEQ_LT(ntohl(*tsn), sctp->sctp_lastack_rxd))  in sctp_shutdown_received()
161 			trysend = sctp_cumack(sctp, ntohl(*tsn), &samp);  in sctp_shutdown_received()
165 	if (!SCTP_IS_DETACHED(sctp) && !sctp->sctp_ulp_discon_done) {  in sctp_shutdown_received()
166 		sctp->sctp_ulp_opctl(sctp->sctp_ulpd, SOCK_OPCTL_SHUT_SEND, 0);  in sctp_shutdown_received()
167 		sctp->sctp_ulp_discon_done = B_TRUE;  in sctp_shutdown_received()
175 	if (sctp->sctp_xmit_head != NULL || sctp->sctp_xmit_unsent != NULL)  in sctp_shutdown_received()
181 			fp = sctp->sctp_current;  in sctp_shutdown_received()
183 			fp = sctp_rotate_faddr(sctp, sctp->sctp_shutdown_faddr);  in sctp_shutdown_received()
186 	sctp_send_shutdown_ack(sctp, fp, crwsd);  in sctp_shutdown_received()
192 sctp_shutdown_complete(sctp_t *sctp)  in sctp_shutdown_complete()  argument
196 	sctp_stack_t	*sctps = sctp->sctp_sctps;  in sctp_shutdown_complete()
198 	scmp = sctp_make_mp(sctp, sctp->sctp_current, sizeof (*scch));  in sctp_shutdown_complete()
212 	BUMP_LOCAL(sctp->sctp_obchunks);  in sctp_shutdown_complete()
214 	sctp_set_iplen(sctp, scmp, sctp->sctp_current->sf_ixa);  in sctp_shutdown_complete()
215 	(void) conn_ip_output(scmp, sctp->sctp_current->sf_ixa);  in sctp_shutdown_complete()
216 	BUMP_LOCAL(sctp->sctp_opkts);  in sctp_shutdown_complete()
368 sctp_send_shutdown_ack(sctp_t *sctp, sctp_faddr_t *fp, boolean_t crwsd)  in sctp_send_shutdown_ack()  argument
372 	sctp_stack_t	*sctps = sctp->sctp_sctps;  in sctp_send_shutdown_ack()
374 	ASSERT(sctp->sctp_xmit_unacked == NULL);  in sctp_send_shutdown_ack()
375 	ASSERT(sctp->sctp_lastack_rxd == (sctp->sctp_ltsn - 1));  in sctp_send_shutdown_ack()
378 	sctp->sctp_shutdown_faddr = fp;  in sctp_send_shutdown_ack()
380 	samp = sctp_make_mp(sctp, fp, sizeof (*sach));  in sctp_send_shutdown_ack()
399 		errmp = sctp_make_err(sctp, SCTP_ERR_COOKIE_SHUT, NULL, 0);  in sctp_send_shutdown_ack()
402 			BUMP_LOCAL(sctp->sctp_obchunks);  in sctp_send_shutdown_ack()
406 	BUMP_LOCAL(sctp->sctp_obchunks);  in sctp_send_shutdown_ack()
408 	sctp_set_iplen(sctp, samp, fp->sf_ixa);  in sctp_send_shutdown_ack()
410 	BUMP_LOCAL(sctp->sctp_opkts);  in sctp_send_shutdown_ack()
413 	sctp->sctp_state = SCTPS_SHUTDOWN_ACK_SENT;  in sctp_send_shutdown_ack()
414 	SCTP_FADDR_TIMER_RESTART(sctp, fp, fp->sf_rto);  in sctp_send_shutdown_ack()