Move files to match FreeBSD layout

1 files changed, 4918 insertions, 0 deletions

diff --git a/freebsd/sys/netinet/sctp_usrreq.c b/freebsd/sys/netinet/sctp_usrreq.c
new file mode 100644
index 00000000..bb60795c
--- /dev/null
+++ b/freebsd/sys/netinet/sctp_usrreq.c
@@ -0,0 +1,4918 @@
+#include <freebsd/machine/rtems-bsd-config.h>
+
+/*-
+ * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * a) Redistributions of source code must retain the above copyright notice,
+ *   this list of conditions and the following disclaimer.
+ *
+ * b) Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *   the documentation and/or other materials provided with the distribution.
+ *
+ * c) Neither the name of Cisco Systems, Inc. nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $KAME: sctp_usrreq.c,v 1.48 2005/03/07 23:26:08 itojun Exp $	 */
+
+#include <freebsd/sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+#include <freebsd/netinet/sctp_os.h>
+#include <freebsd/sys/proc.h>
+#include <freebsd/netinet/sctp_pcb.h>
+#include <freebsd/netinet/sctp_header.h>
+#include <freebsd/netinet/sctp_var.h>
+#if defined(INET6)
+#endif
+#include <freebsd/netinet/sctp_sysctl.h>
+#include <freebsd/netinet/sctp_output.h>
+#include <freebsd/netinet/sctp_uio.h>
+#include <freebsd/netinet/sctp_asconf.h>
+#include <freebsd/netinet/sctputil.h>
+#include <freebsd/netinet/sctp_indata.h>
+#include <freebsd/netinet/sctp_timer.h>
+#include <freebsd/netinet/sctp_auth.h>
+#include <freebsd/netinet/sctp_bsd_addr.h>
+#include <freebsd/netinet/sctp_cc_functions.h>
+#include <freebsd/netinet/udp.h>
+
+
+
+
+void
+sctp_init(void)
+{
+	u_long sb_max_adj;
+
+	bzero(&SCTP_BASE_STATS, sizeof(struct sctpstat));
+
+	/* Initialize and modify the sysctled variables */
+	sctp_init_sysctls();
+	if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE)
+		SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8);
+	/*
+	 * Allow a user to take no more than 1/2 the number of clusters or
+	 * the SB_MAX whichever is smaller for the send window.
+	 */
+	sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES));
+	SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj,
+	    (((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT));
+	/*
+	 * Now for the recv window, should we take the same amount? or
+	 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For
+	 * now I will just copy.
+	 */
+	SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace);
+
+	SCTP_BASE_VAR(first_time) = 0;
+	SCTP_BASE_VAR(sctp_pcb_initialized) = 0;
+	sctp_pcb_init();
+#if defined(SCTP_PACKET_LOGGING)
+	SCTP_BASE_VAR(packet_log_writers) = 0;
+	SCTP_BASE_VAR(packet_log_end) = 0;
+	bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE);
+#endif
+
+
+}
+
+void
+sctp_finish(void)
+{
+	sctp_pcb_finish();
+}
+
+
+
+void
+sctp_pathmtu_adjustment(struct sctp_inpcb *inp,
+    struct sctp_tcb *stcb,
+    struct sctp_nets *net,
+    uint16_t nxtsz)
+{
+	struct sctp_tmit_chunk *chk;
+	uint16_t overhead;
+
+	/* Adjust that too */
+	stcb->asoc.smallest_mtu = nxtsz;
+	/* now off to subtract IP_DF flag if needed */
+	overhead = IP_HDR_SIZE;
+	if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) {
+		overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id);
+	}
+	TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) {
+		if ((chk->send_size + overhead) > nxtsz) {
+			chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
+		}
+	}
+	TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) {
+		if ((chk->send_size + overhead) > nxtsz) {
+			/*
+			 * For this guy we also mark for immediate resend
+			 * since we sent to big of chunk
+			 */
+			chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
+			if (chk->sent < SCTP_DATAGRAM_RESEND) {
+				sctp_flight_size_decrease(chk);
+				sctp_total_flight_decrease(stcb, chk);
+			}
+			if (chk->sent != SCTP_DATAGRAM_RESEND) {
+				sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt);
+			}
+			chk->sent = SCTP_DATAGRAM_RESEND;
+			chk->rec.data.doing_fast_retransmit = 0;
+			if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) {
+				sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU,
+				    chk->whoTo->flight_size,
+				    chk->book_size,
+				    (uintptr_t) chk->whoTo,
+				    chk->rec.data.TSN_seq);
+			}
+			/* Clear any time so NO RTT is being done */
+			chk->do_rtt = 0;
+		}
+	}
+}
+
+static void
+sctp_notify_mbuf(struct sctp_inpcb *inp,
+    struct sctp_tcb *stcb,
+    struct sctp_nets *net,
+    struct ip *ip,
+    struct sctphdr *sh)
+{
+	struct icmp *icmph;
+	int totsz, tmr_stopped = 0;
+	uint16_t nxtsz;
+
+	/* protection */
+	if ((inp == NULL) || (stcb == NULL) || (net == NULL) ||
+	    (ip == NULL) || (sh == NULL)) {
+		if (stcb != NULL) {
+			SCTP_TCB_UNLOCK(stcb);
+		}
+		return;
+	}
+	/* First job is to verify the vtag matches what I would send */
+	if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) {
+		SCTP_TCB_UNLOCK(stcb);
+		return;
+	}
+	icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) -
+	    sizeof(struct ip)));
+	if (icmph->icmp_type != ICMP_UNREACH) {
+		/* We only care about unreachable */
+		SCTP_TCB_UNLOCK(stcb);
+		return;
+	}
+	if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) {
+		/* not a unreachable message due to frag. */
+		SCTP_TCB_UNLOCK(stcb);
+		return;
+	}
+	totsz = ip->ip_len;
+
+	nxtsz = ntohs(icmph->icmp_nextmtu);
+	if (nxtsz == 0) {
+		/*
+		 * old type router that does not tell us what the next size
+		 * mtu is. Rats we will have to guess (in a educated fashion
+		 * of course)
+		 */
+		nxtsz = sctp_get_prev_mtu(totsz);
+	}
+	/* Stop any PMTU timer */
+	if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
+		tmr_stopped = 1;
+		sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
+		    SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1);
+	}
+	/* Adjust destination size limit */
+	if (net->mtu > nxtsz) {
+		net->mtu = nxtsz;
+		if (net->port) {
+			net->mtu -= sizeof(struct udphdr);
+		}
+	}
+	/* now what about the ep? */
+	if (stcb->asoc.smallest_mtu > nxtsz) {
+		sctp_pathmtu_adjustment(inp, stcb, net, nxtsz);
+	}
+	if (tmr_stopped)
+		sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
+
+	SCTP_TCB_UNLOCK(stcb);
+}
+
+
+void
+sctp_notify(struct sctp_inpcb *inp,
+    struct ip *ip,
+    struct sctphdr *sh,
+    struct sockaddr *to,
+    struct sctp_tcb *stcb,
+    struct sctp_nets *net)
+{
+#if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
+	struct socket *so;
+
+#endif
+	/* protection */
+	int reason;
+	struct icmp *icmph;
+
+
+	if ((inp == NULL) || (stcb == NULL) || (net == NULL) ||
+	    (sh == NULL) || (to == NULL)) {
+		if (stcb)
+			SCTP_TCB_UNLOCK(stcb);
+		return;
+	}
+	/* First job is to verify the vtag matches what I would send */
+	if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) {
+		SCTP_TCB_UNLOCK(stcb);
+		return;
+	}
+	icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) -
+	    sizeof(struct ip)));
+	if (icmph->icmp_type != ICMP_UNREACH) {
+		/* We only care about unreachable */
+		SCTP_TCB_UNLOCK(stcb);
+		return;
+	}
+	if ((icmph->icmp_code == ICMP_UNREACH_NET) ||
+	    (icmph->icmp_code == ICMP_UNREACH_HOST) ||
+	    (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) ||
+	    (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) ||
+	    (icmph->icmp_code == ICMP_UNREACH_ISOLATED) ||
+	    (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) ||
+	    (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) ||
+	    (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) {
+
+		/*
+		 * Hmm reachablity problems we must examine closely. If its
+		 * not reachable, we may have lost a network. Or if there is
+		 * NO protocol at the other end named SCTP. well we consider
+		 * it a OOTB abort.
+		 */
+		if (net->dest_state & SCTP_ADDR_REACHABLE) {
+			/* Ok that destination is NOT reachable */
+			SCTP_PRINTF("ICMP (thresh %d/%d) takes interface %p down\n",
+			    net->error_count,
+			    net->failure_threshold,
+			    net);
+
+			net->dest_state &= ~SCTP_ADDR_REACHABLE;
+			net->dest_state |= SCTP_ADDR_NOT_REACHABLE;
+			/*
+			 * JRS 5/14/07 - If a destination is unreachable,
+			 * the PF bit is turned off.  This allows an
+			 * unambiguous use of the PF bit for destinations
+			 * that are reachable but potentially failed. If the
+			 * destination is set to the unreachable state, also
+			 * set the destination to the PF state.
+			 */
+			/*
+			 * Add debug message here if destination is not in
+			 * PF state.
+			 */
+			/* Stop any running T3 timers here? */
+			if ((stcb->asoc.sctp_cmt_on_off == 1) &&
+			    (stcb->asoc.sctp_cmt_pf > 0)) {
+				net->dest_state &= ~SCTP_ADDR_PF;
+				SCTPDBG(SCTP_DEBUG_TIMER4, "Destination %p moved from PF to unreachable.\n",
+				    net);
+			}
+			net->error_count = net->failure_threshold + 1;
+			sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN,
+			    stcb, SCTP_FAILED_THRESHOLD,
+			    (void *)net, SCTP_SO_NOT_LOCKED);
+		}
+		SCTP_TCB_UNLOCK(stcb);
+	} else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) ||
+	    (icmph->icmp_code == ICMP_UNREACH_PORT)) {
+		/*
+		 * Here the peer is either playing tricks on us, including
+		 * an address that belongs to someone who does not support
+		 * SCTP OR was a userland implementation that shutdown and
+		 * now is dead. In either case treat it like a OOTB abort
+		 * with no TCB
+		 */
+		reason = SCTP_PEER_FAULTY;
+		sctp_abort_notification(stcb, reason, SCTP_SO_NOT_LOCKED);
+#if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
+		so = SCTP_INP_SO(inp);
+		atomic_add_int(&stcb->asoc.refcnt, 1);
+		SCTP_TCB_UNLOCK(stcb);
+		SCTP_SOCKET_LOCK(so, 1);
+		SCTP_TCB_LOCK(stcb);
+		atomic_subtract_int(&stcb->asoc.refcnt, 1);
+#endif
+		(void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2);
+#if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
+		SCTP_SOCKET_UNLOCK(so, 1);
+		/* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */
+#endif
+		/* no need to unlock here, since the TCB is gone */
+	} else {
+		SCTP_TCB_UNLOCK(stcb);
+	}
+}
+
+void
+sctp_ctlinput(cmd, sa, vip)
+	int cmd;
+	struct sockaddr *sa;
+	void *vip;
+{
+	struct ip *ip = vip;
+	struct sctphdr *sh;
+	uint32_t vrf_id;
+
+	/* FIX, for non-bsd is this right? */
+	vrf_id = SCTP_DEFAULT_VRFID;
+	if (sa->sa_family != AF_INET ||
+	    ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) {
+		return;
+	}
+	if (PRC_IS_REDIRECT(cmd)) {
+		ip = 0;
+	} else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) {
+		return;
+	}
+	if (ip) {
+		struct sctp_inpcb *inp = NULL;
+		struct sctp_tcb *stcb = NULL;
+		struct sctp_nets *net = NULL;
+		struct sockaddr_in to, from;
+
+		sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2));
+		bzero(&to, sizeof(to));
+		bzero(&from, sizeof(from));
+		from.sin_family = to.sin_family = AF_INET;
+		from.sin_len = to.sin_len = sizeof(to);
+		from.sin_port = sh->src_port;
+		from.sin_addr = ip->ip_src;
+		to.sin_port = sh->dest_port;
+		to.sin_addr = ip->ip_dst;
+
+		/*
+		 * 'to' holds the dest of the packet that failed to be sent.
+		 * 'from' holds our local endpoint address. Thus we reverse
+		 * the to and the from in the lookup.
+		 */
+		stcb = sctp_findassociation_addr_sa((struct sockaddr *)&from,
+		    (struct sockaddr *)&to,
+		    &inp, &net, 1, vrf_id);
+		if (stcb != NULL && inp && (inp->sctp_socket != NULL)) {
+			if (cmd != PRC_MSGSIZE) {
+				sctp_notify(inp, ip, sh,
+				    (struct sockaddr *)&to, stcb,
+				    net);
+			} else {
+				/* handle possible ICMP size messages */
+				sctp_notify_mbuf(inp, stcb, net, ip, sh);
+			}
+		} else {
+			if ((stcb == NULL) && (inp != NULL)) {
+				/* reduce ref-count */
+				SCTP_INP_WLOCK(inp);
+				SCTP_INP_DECR_REF(inp);
+				SCTP_INP_WUNLOCK(inp);
+			}
+			if (stcb) {
+				SCTP_TCB_UNLOCK(stcb);
+			}
+		}
+	}
+	return;
+}
+
+static int
+sctp_getcred(SYSCTL_HANDLER_ARGS)
+{
+	struct xucred xuc;
+	struct sockaddr_in addrs[2];
+	struct sctp_inpcb *inp;
+	struct sctp_nets *net;
+	struct sctp_tcb *stcb;
+	int error;
+	uint32_t vrf_id;
+
+	/* FIX, for non-bsd is this right? */
+	vrf_id = SCTP_DEFAULT_VRFID;
+
+	error = priv_check(req->td, PRIV_NETINET_GETCRED);
+
+	if (error)
+		return (error);
+
+	error = SYSCTL_IN(req, addrs, sizeof(addrs));
+	if (error)
+		return (error);
+
+	stcb = sctp_findassociation_addr_sa(sintosa(&addrs[0]),
+	    sintosa(&addrs[1]),
+	    &inp, &net, 1, vrf_id);
+	if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) {
+		if ((inp != NULL) && (stcb == NULL)) {
+			/* reduce ref-count */
+			SCTP_INP_WLOCK(inp);
+			SCTP_INP_DECR_REF(inp);
+			goto cred_can_cont;
+		}
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
+		error = ENOENT;
+		goto out;
+	}
+	SCTP_TCB_UNLOCK(stcb);
+	/*
+	 * We use the write lock here, only since in the error leg we need
+	 * it. If we used RLOCK, then we would have to
+	 * wlock/decr/unlock/rlock. Which in theory could create a hole.
+	 * Better to use higher wlock.
+	 */
+	SCTP_INP_WLOCK(inp);
+cred_can_cont:
+	error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket);
+	if (error) {
+		SCTP_INP_WUNLOCK(inp);
+		goto out;
+	}
+	cru2x(inp->sctp_socket->so_cred, &xuc);
+	SCTP_INP_WUNLOCK(inp);
+	error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred));
+out:
+	return (error);
+}
+
+SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW,
+    0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection");
+
+
+static void
+sctp_abort(struct socket *so)
+{
+	struct sctp_inpcb *inp;
+	uint32_t flags;
+
+	inp = (struct sctp_inpcb *)so->so_pcb;
+	if (inp == 0) {
+		return;
+	}
+sctp_must_try_again:
+	flags = inp->sctp_flags;
+#ifdef SCTP_LOG_CLOSING
+	sctp_log_closing(inp, NULL, 17);
+#endif
+	if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
+	    (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
+#ifdef SCTP_LOG_CLOSING
+		sctp_log_closing(inp, NULL, 16);
+#endif
+		sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
+		    SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
+		SOCK_LOCK(so);
+		SCTP_SB_CLEAR(so->so_snd);
+		/*
+		 * same for the rcv ones, they are only here for the
+		 * accounting/select.
+		 */
+		SCTP_SB_CLEAR(so->so_rcv);
+
+		/* Now null out the reference, we are completely detached. */
+		so->so_pcb = NULL;
+		SOCK_UNLOCK(so);
+	} else {
+		flags = inp->sctp_flags;
+		if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
+			goto sctp_must_try_again;
+		}
+	}
+	return;
+}
+
+static int
+sctp_attach(struct socket *so, int proto, struct thread *p)
+{
+	struct sctp_inpcb *inp;
+	struct inpcb *ip_inp;
+	int error;
+	uint32_t vrf_id = SCTP_DEFAULT_VRFID;
+
+#ifdef IPSEC
+	uint32_t flags;
+
+#endif
+
+	inp = (struct sctp_inpcb *)so->so_pcb;
+	if (inp != 0) {
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+		return EINVAL;
+	}
+	if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) {
+		error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace));
+		if (error) {
+			return error;
+		}
+	}
+	error = sctp_inpcb_alloc(so, vrf_id);
+	if (error) {
+		return error;
+	}
+	inp = (struct sctp_inpcb *)so->so_pcb;
+	SCTP_INP_WLOCK(inp);
+	inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6;	/* I'm not v6! */
+	ip_inp = &inp->ip_inp.inp;
+	ip_inp->inp_vflag |= INP_IPV4;
+	ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl);
+#ifdef IPSEC
+	error = ipsec_init_policy(so, &ip_inp->inp_sp);
+#ifdef SCTP_LOG_CLOSING
+	sctp_log_closing(inp, NULL, 17);
+#endif
+	if (error != 0) {
+try_again:
+		flags = inp->sctp_flags;
+		if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
+		    (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
+#ifdef SCTP_LOG_CLOSING
+			sctp_log_closing(inp, NULL, 15);
+#endif
+			SCTP_INP_WUNLOCK(inp);
+			sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
+			    SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
+		} else {
+			flags = inp->sctp_flags;
+			if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
+				goto try_again;
+			} else {
+				SCTP_INP_WUNLOCK(inp);
+			}
+		}
+		return error;
+	}
+#endif				/* IPSEC */
+	SCTP_INP_WUNLOCK(inp);
+	return 0;
+}
+
+static int
+sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p)
+{
+	struct sctp_inpcb *inp = NULL;
+	int error;
+
+#ifdef INET6
+	if (addr && addr->sa_family != AF_INET) {
+		/* must be a v4 address! */
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+		return EINVAL;
+	}
+#endif				/* INET6 */
+	if (addr && (addr->sa_len != sizeof(struct sockaddr_in))) {
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+		return EINVAL;
+	}
+	inp = (struct sctp_inpcb *)so->so_pcb;
+	if (inp == 0) {
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+		return EINVAL;
+	}
+	error = sctp_inpcb_bind(so, addr, NULL, p);
+	return error;
+}
+
+void
+sctp_close(struct socket *so)
+{
+	struct sctp_inpcb *inp;
+	uint32_t flags;
+
+	inp = (struct sctp_inpcb *)so->so_pcb;
+	if (inp == 0)
+		return;
+
+	/*
+	 * Inform all the lower layer assoc that we are done.
+	 */
+sctp_must_try_again:
+	flags = inp->sctp_flags;
+#ifdef SCTP_LOG_CLOSING
+	sctp_log_closing(inp, NULL, 17);
+#endif
+	if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
+	    (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
+		if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) ||
+		    (so->so_rcv.sb_cc > 0)) {
+#ifdef SCTP_LOG_CLOSING
+			sctp_log_closing(inp, NULL, 13);
+#endif
+			sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
+			    SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
+		} else {
+#ifdef SCTP_LOG_CLOSING
+			sctp_log_closing(inp, NULL, 14);
+#endif
+			sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE,
+			    SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
+		}
+		/*
+		 * The socket is now detached, no matter what the state of
+		 * the SCTP association.
+		 */
+		SOCK_LOCK(so);
+		SCTP_SB_CLEAR(so->so_snd);
+		/*
+		 * same for the rcv ones, they are only here for the
+		 * accounting/select.
+		 */
+		SCTP_SB_CLEAR(so->so_rcv);
+
+		/* Now null out the reference, we are completely detached. */
+		so->so_pcb = NULL;
+		SOCK_UNLOCK(so);
+	} else {
+		flags = inp->sctp_flags;
+		if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
+			goto sctp_must_try_again;
+		}
+	}
+	return;
+}
+
+
+int
+sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
+    struct mbuf *control, struct thread *p);
+
+
+int
+sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
+    struct mbuf *control, struct thread *p)
+{
+	struct sctp_inpcb *inp;
+	int error;
+
+	inp = (struct sctp_inpcb *)so->so_pcb;
+	if (inp == 0) {
+		if (control) {
+			sctp_m_freem(control);
+			control = NULL;
+		}
+		SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+		sctp_m_freem(m);
+		return EINVAL;
+	}
+	/* Got to have an to address if we are NOT a connected socket */
+	if ((addr == NULL) &&
+	    ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) ||
+	    (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))
+	    ) {
+		goto connected_type;
+	} else if (addr == NULL) {
+		SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ);
+		error = EDESTADDRREQ;
+		sctp_m_freem(m);
+		if (control) {
+			sctp_m_freem(control);
+			control = NULL;
+		}
+		return (error);
+	}
+#ifdef INET6
+	if (addr->sa_family != AF_INET) {
+		/* must be a v4 address! */
+		SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ);
+		sctp_m_freem(m);
+		if (control) {
+			sctp_m_freem(control);
+			control = NULL;
+		}
+		error = EDESTADDRREQ;
+		return EDESTADDRREQ;
+	}
+#endif				/* INET6 */
+connected_type:
+	/* now what about control */
+	if (control) {
+		if (inp->control) {
+			SCTP_PRINTF("huh? control set?\n");
+			sctp_m_freem(inp->control);
+			inp->control = NULL;
+		}
+		inp->control = control;
+	}
+	/* Place the data */
+	if (inp->pkt) {
+		SCTP_BUF_NEXT(inp->pkt_last) = m;
+		inp->pkt_last = m;
+	} else {
+		inp->pkt_last = inp->pkt = m;
+	}
+	if (
+	/* FreeBSD uses a flag passed */
+	    ((flags & PRUS_MORETOCOME) == 0)
+	    ) {
+		/*
+		 * note with the current version this code will only be used
+		 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for
+		 * re-defining sosend to use the sctp_sosend. One can
+		 * optionally switch back to this code (by changing back the
+		 * definitions) but this is not advisable. This code is used
+		 * by FreeBSD when sending a file with sendfile() though.
+		 */
+		int ret;
+
+		ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags);
+		inp->pkt = NULL;
+		inp->control = NULL;
+		return (ret);
+	} else {
+		return (0);
+	}
+}
+
+int
+sctp_disconnect(struct socket *so)
+{
+	struct sctp_inpcb *inp;
+
+	inp = (struct sctp_inpcb *)so->so_pcb;
+	if (inp == NULL) {
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
+		return (ENOTCONN);
+	}
+	SCTP_INP_RLOCK(inp);
+	if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
+	    (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
+		if (LIST_EMPTY(&inp->sctp_asoc_list)) {
+			/* No connection */
+			SCTP_INP_RUNLOCK(inp);
+			return (0);
+		} else {
+			struct sctp_association *asoc;
+			struct sctp_tcb *stcb;
+
+			stcb = LIST_FIRST(&inp->sctp_asoc_list);
+			if (stcb == NULL) {
+				SCTP_INP_RUNLOCK(inp);
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+				return (EINVAL);
+			}
+			SCTP_TCB_LOCK(stcb);
+			asoc = &stcb->asoc;
+			if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {
+				/* We are about to be freed, out of here */
+				SCTP_TCB_UNLOCK(stcb);
+				SCTP_INP_RUNLOCK(inp);
+				return (0);
+			}
+			if (((so->so_options & SO_LINGER) &&
+			    (so->so_linger == 0)) ||
+			    (so->so_rcv.sb_cc > 0)) {
+				if (SCTP_GET_STATE(asoc) !=
+				    SCTP_STATE_COOKIE_WAIT) {
+					/* Left with Data unread */
+					struct mbuf *err;
+
+					err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_DONTWAIT, 1, MT_DATA);
+					if (err) {
+						/*
+						 * Fill in the user
+						 * initiated abort
+						 */
+						struct sctp_paramhdr *ph;
+
+						ph = mtod(err, struct sctp_paramhdr *);
+						SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr);
+						ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT);
+						ph->param_length = htons(SCTP_BUF_LEN(err));
+					}
+#if defined(SCTP_PANIC_ON_ABORT)
+					panic("disconnect does an abort");
+#endif
+					sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED);
+					SCTP_STAT_INCR_COUNTER32(sctps_aborted);
+				}
+				SCTP_INP_RUNLOCK(inp);
+				if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) ||
+				    (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
+					SCTP_STAT_DECR_GAUGE32(sctps_currestab);
+				}
+				(void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3);
+				/* No unlock tcb assoc is gone */
+				return (0);
+			}
+			if (TAILQ_EMPTY(&asoc->send_queue) &&
+			    TAILQ_EMPTY(&asoc->sent_queue) &&
+			    (asoc->stream_queue_cnt == 0)) {
+				/* there is nothing queued to send, so done */
+				if (asoc->locked_on_sending) {
+					goto abort_anyway;
+				}
+				if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) &&
+				    (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) {
+					/* only send SHUTDOWN 1st time thru */
+					sctp_stop_timers_for_shutdown(stcb);
+					sctp_send_shutdown(stcb,
+					    stcb->asoc.primary_destination);
+					sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED);
+					if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||
+					    (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
+						SCTP_STAT_DECR_GAUGE32(sctps_currestab);
+					}
+					SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT);
+					SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING);
+					sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN,
+					    stcb->sctp_ep, stcb,
+					    asoc->primary_destination);
+					sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD,
+					    stcb->sctp_ep, stcb,
+					    asoc->primary_destination);
+				}
+			} else {
+				/*
+				 * we still got (or just got) data to send,
+				 * so set SHUTDOWN_PENDING
+				 */
+				/*
+				 * XXX sockets draft says that SCTP_EOF
+				 * should be sent with no data. currently,
+				 * we will allow user data to be sent first
+				 * and move to SHUTDOWN-PENDING
+				 */
+				asoc->state |= SCTP_STATE_SHUTDOWN_PENDING;
+				sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb,
+				    asoc->primary_destination);
+				if (asoc->locked_on_sending) {
+					/* Locked to send out the data */
+					struct sctp_stream_queue_pending *sp;
+
+					sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead);
+					if (sp == NULL) {
+						SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n",
+						    asoc->locked_on_sending->stream_no);
+					} else {
+						if ((sp->length == 0) && (sp->msg_is_complete == 0))
+							asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT;
+					}
+				}
+				if (TAILQ_EMPTY(&asoc->send_queue) &&
+				    TAILQ_EMPTY(&asoc->sent_queue) &&
+				    (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) {
+					struct mbuf *op_err;
+
+			abort_anyway:
+					op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)),
+					    0, M_DONTWAIT, 1, MT_DATA);
+					if (op_err) {
+						/*
+						 * Fill in the user
+						 * initiated abort
+						 */
+						struct sctp_paramhdr *ph;
+						uint32_t *ippp;
+
+						SCTP_BUF_LEN(op_err) =
+						    (sizeof(struct sctp_paramhdr) + sizeof(uint32_t));
+						ph = mtod(op_err,
+						    struct sctp_paramhdr *);
+						ph->param_type = htons(
+						    SCTP_CAUSE_USER_INITIATED_ABT);
+						ph->param_length = htons(SCTP_BUF_LEN(op_err));
+						ippp = (uint32_t *) (ph + 1);
+						*ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4);
+					}
+#if defined(SCTP_PANIC_ON_ABORT)
+					panic("disconnect does an abort");
+#endif
+
+					stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4;
+					sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED);
+					SCTP_STAT_INCR_COUNTER32(sctps_aborted);
+					if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) ||
+					    (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
+						SCTP_STAT_DECR_GAUGE32(sctps_currestab);
+					}
+					SCTP_INP_RUNLOCK(inp);
+					(void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5);
+					return (0);
+				} else {
+					sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);
+				}
+			}
+			soisdisconnecting(so);
+			SCTP_TCB_UNLOCK(stcb);
+			SCTP_INP_RUNLOCK(inp);
+			return (0);
+		}
+		/* not reached */
+	} else {
+		/* UDP model does not support this */
+		SCTP_INP_RUNLOCK(inp);
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
+		return EOPNOTSUPP;
+	}
+}
+
+int
+sctp_flush(struct socket *so, int how)
+{
+	/*
+	 * We will just clear out the values and let subsequent close clear
+	 * out the data, if any. Note if the user did a shutdown(SHUT_RD)
+	 * they will not be able to read the data, the socket will block
+	 * that from happening.
+	 */
+	struct sctp_inpcb *inp;
+
+	inp = (struct sctp_inpcb *)so->so_pcb;
+	if (inp == NULL) {
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+		return EINVAL;
+	}
+	SCTP_INP_RLOCK(inp);
+	/* For the 1 to many model this does nothing */
+	if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
+		SCTP_INP_RUNLOCK(inp);
+		return (0);
+	}
+	SCTP_INP_RUNLOCK(inp);
+	if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) {
+		/*
+		 * First make sure the sb will be happy, we don't use these
+		 * except maybe the count
+		 */
+		SCTP_INP_WLOCK(inp);
+		SCTP_INP_READ_LOCK(inp);
+		inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ;
+		SCTP_INP_READ_UNLOCK(inp);
+		SCTP_INP_WUNLOCK(inp);
+		so->so_rcv.sb_cc = 0;
+		so->so_rcv.sb_mbcnt = 0;
+		so->so_rcv.sb_mb = NULL;
+	}
+	if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) {
+		/*
+		 * First make sure the sb will be happy, we don't use these
+		 * except maybe the count
+		 */
+		so->so_snd.sb_cc = 0;
+		so->so_snd.sb_mbcnt = 0;
+		so->so_snd.sb_mb = NULL;
+
+	}
+	return (0);
+}
+
+int
+sctp_shutdown(struct socket *so)
+{
+	struct sctp_inpcb *inp;
+
+	inp = (struct sctp_inpcb *)so->so_pcb;
+	if (inp == 0) {
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+		return EINVAL;
+	}
+	SCTP_INP_RLOCK(inp);
+	/* For UDP model this is a invalid call */
+	if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
+		/* Restore the flags that the soshutdown took away. */
+		SOCKBUF_LOCK(&so->so_rcv);
+		so->so_rcv.sb_state &= ~SBS_CANTRCVMORE;
+		SOCKBUF_UNLOCK(&so->so_rcv);
+		/* This proc will wakeup for read and do nothing (I hope) */
+		SCTP_INP_RUNLOCK(inp);
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
+		return (EOPNOTSUPP);
+	}
+	/*
+	 * Ok if we reach here its the TCP model and it is either a SHUT_WR
+	 * or SHUT_RDWR. This means we put the shutdown flag against it.
+	 */
+	{
+		struct sctp_tcb *stcb;
+		struct sctp_association *asoc;
+
+		if ((so->so_state &
+		    (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) {
+			SCTP_INP_RUNLOCK(inp);
+			return (ENOTCONN);
+		}
+		socantsendmore(so);
+
+		stcb = LIST_FIRST(&inp->sctp_asoc_list);
+		if (stcb == NULL) {
+			/*
+			 * Ok we hit the case that the shutdown call was
+			 * made after an abort or something. Nothing to do
+			 * now.
+			 */
+			SCTP_INP_RUNLOCK(inp);
+			return (0);
+		}
+		SCTP_TCB_LOCK(stcb);
+		asoc = &stcb->asoc;
+		if (TAILQ_EMPTY(&asoc->send_queue) &&
+		    TAILQ_EMPTY(&asoc->sent_queue) &&
+		    (asoc->stream_queue_cnt == 0)) {
+			if (asoc->locked_on_sending) {
+				goto abort_anyway;
+			}
+			/* there is nothing queued to send, so I'm done... */
+			if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) {
+				/* only send SHUTDOWN the first time through */
+				sctp_stop_timers_for_shutdown(stcb);
+				sctp_send_shutdown(stcb,
+				    stcb->asoc.primary_destination);
+				sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED);
+				if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||
+				    (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
+					SCTP_STAT_DECR_GAUGE32(sctps_currestab);
+				}
+				SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT);
+				SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING);
+				sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN,
+				    stcb->sctp_ep, stcb,
+				    asoc->primary_destination);
+				sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD,
+				    stcb->sctp_ep, stcb,
+				    asoc->primary_destination);
+			}
+		} else {
+			/*
+			 * we still got (or just got) data to send, so set
+			 * SHUTDOWN_PENDING
+			 */
+			asoc->state |= SCTP_STATE_SHUTDOWN_PENDING;
+			sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb,
+			    asoc->primary_destination);
+
+			if (asoc->locked_on_sending) {
+				/* Locked to send out the data */
+				struct sctp_stream_queue_pending *sp;
+
+				sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead);
+				if (sp == NULL) {
+					SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n",
+					    asoc->locked_on_sending->stream_no);
+				} else {
+					if ((sp->length == 0) && (sp->msg_is_complete == 0)) {
+						asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT;
+					}
+				}
+			}
+			if (TAILQ_EMPTY(&asoc->send_queue) &&
+			    TAILQ_EMPTY(&asoc->sent_queue) &&
+			    (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) {
+				struct mbuf *op_err;
+
+		abort_anyway:
+				op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)),
+				    0, M_DONTWAIT, 1, MT_DATA);
+				if (op_err) {
+					/* Fill in the user initiated abort */
+					struct sctp_paramhdr *ph;
+					uint32_t *ippp;
+
+					SCTP_BUF_LEN(op_err) =
+					    sizeof(struct sctp_paramhdr) + sizeof(uint32_t);
+					ph = mtod(op_err,
+					    struct sctp_paramhdr *);
+					ph->param_type = htons(
+					    SCTP_CAUSE_USER_INITIATED_ABT);
+					ph->param_length = htons(SCTP_BUF_LEN(op_err));
+					ippp = (uint32_t *) (ph + 1);
+					*ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6);
+				}
+#if defined(SCTP_PANIC_ON_ABORT)
+				panic("shutdown does an abort");
+#endif
+				stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6;
+				sctp_abort_an_association(stcb->sctp_ep, stcb,
+				    SCTP_RESPONSE_TO_USER_REQ,
+				    op_err, SCTP_SO_LOCKED);
+				goto skip_unlock;
+			} else {
+				sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);
+			}
+		}
+		SCTP_TCB_UNLOCK(stcb);
+	}
+skip_unlock:
+	SCTP_INP_RUNLOCK(inp);
+	return 0;
+}
+
+/*
+ * copies a "user" presentable address and removes embedded scope, etc.
+ * returns 0 on success, 1 on error
+ */
+static uint32_t
+sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa)
+{
+#ifdef INET6
+	struct sockaddr_in6 lsa6;
+
+	sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa,
+	    &lsa6);
+#endif
+	memcpy(ss, sa, sa->sa_len);
+	return (0);
+}
+
+
+
+/*
+ * NOTE: assumes addr lock is held
+ */
+static size_t
+sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp,
+    struct sctp_tcb *stcb,
+    size_t limit,
+    struct sockaddr_storage *sas,
+    uint32_t vrf_id)
+{
+	struct sctp_ifn *sctp_ifn;
+	struct sctp_ifa *sctp_ifa;
+	int loopback_scope, ipv4_local_scope, local_scope, site_scope;
+	size_t actual;
+	int ipv4_addr_legal, ipv6_addr_legal;
+	struct sctp_vrf *vrf;
+
+	actual = 0;
+	if (limit <= 0)
+		return (actual);
+
+	if (stcb) {
+		/* Turn on all the appropriate scope */
+		loopback_scope = stcb->asoc.loopback_scope;
+		ipv4_local_scope = stcb->asoc.ipv4_local_scope;
+		local_scope = stcb->asoc.local_scope;
+		site_scope = stcb->asoc.site_scope;
+	} else {
+		/* Turn on ALL scope, since we look at the EP */
+		loopback_scope = ipv4_local_scope = local_scope =
+		    site_scope = 1;
+	}
+	ipv4_addr_legal = ipv6_addr_legal = 0;
+	if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
+		ipv6_addr_legal = 1;
+		if (SCTP_IPV6_V6ONLY(inp) == 0) {
+			ipv4_addr_legal = 1;
+		}
+	} else {
+		ipv4_addr_legal = 1;
+	}
+	vrf = sctp_find_vrf(vrf_id);
+	if (vrf == NULL) {
+		return (0);
+	}
+	if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
+		LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
+			if ((loopback_scope == 0) &&
+			    SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) {
+				/* Skip loopback if loopback_scope not set */
+				continue;
+			}
+			LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
+				if (stcb) {
+					/*
+					 * For the BOUND-ALL case, the list
+					 * associated with a TCB is Always
+					 * considered a reverse list.. i.e.
+					 * it lists addresses that are NOT
+					 * part of the association. If this
+					 * is one of those we must skip it.
+					 */
+					if (sctp_is_addr_restricted(stcb,
+					    sctp_ifa)) {
+						continue;
+					}
+				}
+				switch (sctp_ifa->address.sa.sa_family) {
+				case AF_INET:
+					if (ipv4_addr_legal) {
+						struct sockaddr_in *sin;
+
+						sin = (struct sockaddr_in *)&sctp_ifa->address.sa;
+						if (sin->sin_addr.s_addr == 0) {
+							/*
+							 * we skip
+							 * unspecifed
+							 * addresses
+							 */
+							continue;
+						}
+						if ((ipv4_local_scope == 0) &&
+						    (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) {
+							continue;
+						}
+#ifdef INET6
+						if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
+							in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas);
+							((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
+							sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6));
+							actual += sizeof(struct sockaddr_in6);
+						} else {
+#endif
+							memcpy(sas, sin, sizeof(*sin));
+							((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport;
+							sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin));
+							actual += sizeof(*sin);
+#ifdef INET6
+						}
+#endif
+						if (actual >= limit) {
+							return (actual);
+						}
+					} else {
+						continue;
+					}
+					break;
+#ifdef INET6
+				case AF_INET6:
+					if (ipv6_addr_legal) {
+						struct sockaddr_in6 *sin6;
+
+						sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa;
+						if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
+							/*
+							 * we skip
+							 * unspecifed
+							 * addresses
+							 */
+							continue;
+						}
+						if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
+							if (local_scope == 0)
+								continue;
+							if (sin6->sin6_scope_id == 0) {
+								if (sa6_recoverscope(sin6) != 0)
+									/*
+									 * 
+									 * bad
+									 * 
+									 * li
+									 * nk
+									 * 
+									 * loc
+									 * al
+									 * 
+									 * add
+									 * re
+									 * ss
+									 * */
+									continue;
+							}
+						}
+						if ((site_scope == 0) &&
+						    (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) {
+							continue;
+						}
+						memcpy(sas, sin6, sizeof(*sin6));
+						((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
+						sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6));
+						actual += sizeof(*sin6);
+						if (actual >= limit) {
+							return (actual);
+						}
+					} else {
+						continue;
+					}
+					break;
+#endif
+				default:
+					/* TSNH */
+					break;
+				}
+			}
+		}
+	} else {
+		struct sctp_laddr *laddr;
+
+		LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
+			if (stcb) {
+				if (sctp_is_addr_restricted(stcb, laddr->ifa)) {
+					continue;
+				}
+			}
+			if (sctp_fill_user_address(sas, &laddr->ifa->address.sa))
+				continue;
+
+			((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
+			sas = (struct sockaddr_storage *)((caddr_t)sas +
+			    laddr->ifa->address.sa.sa_len);
+			actual += laddr->ifa->address.sa.sa_len;
+			if (actual >= limit) {
+				return (actual);
+			}
+		}
+	}
+	return (actual);
+}
+
+static size_t
+sctp_fill_up_addresses(struct sctp_inpcb *inp,
+    struct sctp_tcb *stcb,
+    size_t limit,
+    struct sockaddr_storage *sas)
+{
+	size_t size = 0;
+
+	SCTP_IPI_ADDR_RLOCK();
+	/* fill up addresses for the endpoint's default vrf */
+	size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas,
+	    inp->def_vrf_id);
+	SCTP_IPI_ADDR_RUNLOCK();
+	return (size);
+}
+
+/*
+ * NOTE: assumes addr lock is held
+ */
+static int
+sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id)
+{
+	int cnt = 0;
+	struct sctp_vrf *vrf = NULL;
+
+	/*
+	 * In both sub-set bound an bound_all cases we return the MAXIMUM
+	 * number of addresses that you COULD get. In reality the sub-set
+	 * bound may have an exclusion list for a given TCB OR in the
+	 * bound-all case a TCB may NOT include the loopback or other
+	 * addresses as well.
+	 */
+	vrf = sctp_find_vrf(vrf_id);
+	if (vrf == NULL) {
+		return (0);
+	}
+	if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
+		struct sctp_ifn *sctp_ifn;
+		struct sctp_ifa *sctp_ifa;
+
+		LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
+			LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
+				/* Count them if they are the right type */
+				if (sctp_ifa->address.sa.sa_family == AF_INET) {
+					if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4))
+						cnt += sizeof(struct sockaddr_in6);
+					else
+						cnt += sizeof(struct sockaddr_in);
+
+				} else if (sctp_ifa->address.sa.sa_family == AF_INET6)
+					cnt += sizeof(struct sockaddr_in6);
+			}
+		}
+	} else {
+		struct sctp_laddr *laddr;
+
+		LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
+			if (laddr->ifa->address.sa.sa_family == AF_INET) {
+				if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4))
+					cnt += sizeof(struct sockaddr_in6);
+				else
+					cnt += sizeof(struct sockaddr_in);
+
+			} else if (laddr->ifa->address.sa.sa_family == AF_INET6)
+				cnt += sizeof(struct sockaddr_in6);
+		}
+	}
+	return (cnt);
+}
+
+static int
+sctp_count_max_addresses(struct sctp_inpcb *inp)
+{
+	int cnt = 0;
+
+	SCTP_IPI_ADDR_RLOCK();
+	/* count addresses for the endpoint's default VRF */
+	cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id);
+	SCTP_IPI_ADDR_RUNLOCK();
+	return (cnt);
+}
+
+static int
+sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval,
+    size_t optsize, void *p, int delay)
+{
+	int error = 0;
+	int creat_lock_on = 0;
+	struct sctp_tcb *stcb = NULL;
+	struct sockaddr *sa;
+	int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr;
+	int added = 0;
+	uint32_t vrf_id;
+	int bad_addresses = 0;
+	sctp_assoc_t *a_id;
+
+	SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n");
+
+	if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
+	    (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
+		/* We are already connected AND the TCP model */
+		SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
+		return (EADDRINUSE);
+	}
+	if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) &&
+	    (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) {
+		SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+		return (EINVAL);
+	}
+	if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
+		SCTP_INP_RLOCK(inp);
+		stcb = LIST_FIRST(&inp->sctp_asoc_list);
+		SCTP_INP_RUNLOCK(inp);
+	}
+	if (stcb) {
+		SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
+		return (EALREADY);
+	}
+	SCTP_INP_INCR_REF(inp);
+	SCTP_ASOC_CREATE_LOCK(inp);
+	creat_lock_on = 1;
+	if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
+	    (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
+		SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT);
+		error = EFAULT;
+		goto out_now;
+	}
+	totaddrp = (int *)optval;
+	totaddr = *totaddrp;
+	sa = (struct sockaddr *)(totaddrp + 1);
+	stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses);
+	if ((stcb != NULL) || bad_addresses) {
+		/* Already have or am bring up an association */
+		SCTP_ASOC_CREATE_UNLOCK(inp);
+		creat_lock_on = 0;
+		if (stcb)
+			SCTP_TCB_UNLOCK(stcb);
+		if (bad_addresses == 0) {
+			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
+			error = EALREADY;
+		}
+		goto out_now;
+	}
+#ifdef INET6
+	if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
+	    (num_v6 > 0)) {
+		error = EINVAL;
+		goto out_now;
+	}
+	if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&
+	    (num_v4 > 0)) {
+		struct in6pcb *inp6;
+
+		inp6 = (struct in6pcb *)inp;
+		if (SCTP_IPV6_V6ONLY(inp6)) {
+			/*
+			 * if IPV6_V6ONLY flag, ignore connections destined
+			 * to a v4 addr or v4-mapped addr
+			 */
+			SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+			error = EINVAL;
+			goto out_now;
+		}
+	}
+#endif				/* INET6 */
+	if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) ==
+	    SCTP_PCB_FLAGS_UNBOUND) {
+		/* Bind a ephemeral port */
+		error = sctp_inpcb_bind(so, NULL, NULL, p);
+		if (error) {
+			goto out_now;
+		}
+	}
+	/* FIX ME: do we want to pass in a vrf on the connect call? */
+	vrf_id = inp->def_vrf_id;
+
+
+	/* We are GOOD to go */
+	stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id,
+	    (struct thread *)p
+	    );
+	if (stcb == NULL) {
+		/* Gak! no memory */
+		goto out_now;
+	}
+	SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT);
+	/* move to second address */
+	if (sa->sa_family == AF_INET)
+		sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in));
+	else
+		sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6));
+
+	error = 0;
+	added = sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error);
+	/* Fill in the return id */
+	if (error) {
+		(void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6);
+		goto out_now;
+	}
+	a_id = (sctp_assoc_t *) optval;
+	*a_id = sctp_get_associd(stcb);
+
+	/* initialize authentication parameters for the assoc */
+	sctp_initialize_auth_params(inp, stcb);
+
+	if (delay) {
+		/* doing delayed connection */
+		stcb->asoc.delayed_connection = 1;
+		sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination);
+	} else {
+		(void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
+		sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
+	}
+	SCTP_TCB_UNLOCK(stcb);
+	if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
+		stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
+		/* Set the connected flag so we can queue data */
+		soisconnecting(so);
+	}
+out_now:
+	if (creat_lock_on) {
+		SCTP_ASOC_CREATE_UNLOCK(inp);
+	}
+	SCTP_INP_DECR_REF(inp);
+	return error;
+}
+
+#define SCTP_FIND_STCB(inp, stcb, assoc_id) { \
+	if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\
+	    (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \
+		SCTP_INP_RLOCK(inp); \
+		stcb = LIST_FIRST(&inp->sctp_asoc_list); \
+		if (stcb) { \
+			SCTP_TCB_LOCK(stcb); \
+                } \
+		SCTP_INP_RUNLOCK(inp); \
+	} else if (assoc_id != 0) { \
+		stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \
+		if (stcb == NULL) { \
+		        SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \
+			error = ENOENT; \
+			break; \
+		} \
+	} else { \
+		stcb = NULL; \
+        } \
+  }
+
+
+#define SCTP_CHECK_AND_CAST(destp, srcp, type, size)  {\
+	if (size < sizeof(type)) { \
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \
+		error = EINVAL; \
+		break; \
+	} else { \
+		destp = (type *)srcp; \
+	} \
+      }
+
+static int
+sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize,
+    void *p)
+{
+	struct sctp_inpcb *inp = NULL;
+	int error, val = 0;
+	struct sctp_tcb *stcb = NULL;
+
+	if (optval == NULL) {
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+		return (EINVAL);
+	}
+	inp = (struct sctp_inpcb *)so->so_pcb;
+	if (inp == 0) {
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+		return EINVAL;
+	}
+	error = 0;
+
+	switch (optname) {
+	case SCTP_NODELAY:
+	case SCTP_AUTOCLOSE:
+	case SCTP_EXPLICIT_EOR:
+	case SCTP_AUTO_ASCONF:
+	case SCTP_DISABLE_FRAGMENTS:
+	case SCTP_I_WANT_MAPPED_V4_ADDR:
+	case SCTP_USE_EXT_RCVINFO:
+		SCTP_INP_RLOCK(inp);
+		switch (optname) {
+		case SCTP_DISABLE_FRAGMENTS:
+			val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT);
+			break;
+		case SCTP_I_WANT_MAPPED_V4_ADDR:
+			val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4);
+			break;
+		case SCTP_AUTO_ASCONF:
+			if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
+				/* only valid for bound all sockets */
+				val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF);
+			} else {
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+				error = EINVAL;
+				goto flags_out;
+			}
+			break;
+		case SCTP_EXPLICIT_EOR:
+			val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR);
+			break;
+		case SCTP_NODELAY:
+			val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY);
+			break;
+		case SCTP_USE_EXT_RCVINFO:
+			val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO);
+			break;
+		case SCTP_AUTOCLOSE:
+			if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE))
+				val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time);
+			else
+				val = 0;
+			break;
+
+		default:
+			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
+			error = ENOPROTOOPT;
+		}		/* end switch (sopt->sopt_name) */
+		if (optname != SCTP_AUTOCLOSE) {
+			/* make it an "on/off" value */
+			val = (val != 0);
+		}
+		if (*optsize < sizeof(val)) {
+			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+			error = EINVAL;
+		}
+flags_out:
+		SCTP_INP_RUNLOCK(inp);
+		if (error == 0) {
+			/* return the option value */
+			*(int *)optval = val;
+			*optsize = sizeof(val);
+		}
+		break;
+	case SCTP_GET_PACKET_LOG:
+		{
+#ifdef  SCTP_PACKET_LOGGING
+			uint8_t *target;
+			int ret;
+
+			SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize);
+			ret = sctp_copy_out_packet_log(target, (int)*optsize);
+			*optsize = ret;
+#else
+			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
+			error = EOPNOTSUPP;
+#endif
+			break;
+		}
+	case SCTP_REUSE_PORT:
+		{
+			uint32_t *value;
+
+			if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) {
+				/* Can't do this for a 1-m socket */
+				error = EINVAL;
+				break;
+			}
+			SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
+			*value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE);
+			*optsize = sizeof(uint32_t);
+		}
+		break;
+	case SCTP_PARTIAL_DELIVERY_POINT:
+		{
+			uint32_t *value;
+
+			SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
+			*value = inp->partial_delivery_point;
+			*optsize = sizeof(uint32_t);
+		}
+		break;
+	case SCTP_FRAGMENT_INTERLEAVE:
+		{
+			uint32_t *value;
+
+			SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
+			if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) {
+				if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) {
+					*value = SCTP_FRAG_LEVEL_2;
+				} else {
+					*value = SCTP_FRAG_LEVEL_1;
+				}
+			} else {
+				*value = SCTP_FRAG_LEVEL_0;
+			}
+			*optsize = sizeof(uint32_t);
+		}
+		break;
+	case SCTP_CMT_ON_OFF:
+		{
+			struct sctp_assoc_value *av;
+
+			SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
+			SCTP_FIND_STCB(inp, stcb, av->assoc_id);
+			if (stcb) {
+				av->assoc_value = stcb->asoc.sctp_cmt_on_off;
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				SCTP_INP_RLOCK(inp);
+				av->assoc_value = inp->sctp_cmt_on_off;
+				SCTP_INP_RUNLOCK(inp);
+			}
+			*optsize = sizeof(*av);
+		}
+		break;
+		/* JRS - Get socket option for pluggable congestion control */
+	case SCTP_PLUGGABLE_CC:
+		{
+			struct sctp_assoc_value *av;
+
+			SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
+			SCTP_FIND_STCB(inp, stcb, av->assoc_id);
+			if (stcb) {
+				av->assoc_value = stcb->asoc.congestion_control_module;
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				av->assoc_value = inp->sctp_ep.sctp_default_cc_module;
+			}
+			*optsize = sizeof(*av);
+		}
+		break;
+	case SCTP_GET_ADDR_LEN:
+		{
+			struct sctp_assoc_value *av;
+
+			SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
+			error = EINVAL;
+#ifdef INET
+			if (av->assoc_value == AF_INET) {
+				av->assoc_value = sizeof(struct sockaddr_in);
+				error = 0;
+			}
+#endif
+#ifdef INET6
+			if (av->assoc_value == AF_INET6) {
+				av->assoc_value = sizeof(struct sockaddr_in6);
+				error = 0;
+			}
+#endif
+			if (error) {
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
+			}
+			*optsize = sizeof(*av);
+		}
+		break;
+	case SCTP_GET_ASSOC_NUMBER:
+		{
+			uint32_t *value, cnt;
+
+			SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
+			cnt = 0;
+			SCTP_INP_RLOCK(inp);
+			LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
+				cnt++;
+			}
+			SCTP_INP_RUNLOCK(inp);
+			*value = cnt;
+			*optsize = sizeof(uint32_t);
+		}
+		break;
+
+	case SCTP_GET_ASSOC_ID_LIST:
+		{
+			struct sctp_assoc_ids *ids;
+			unsigned int at, limit;
+
+			SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize);
+			at = 0;
+			limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t);
+			SCTP_INP_RLOCK(inp);
+			LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
+				if (at < limit) {
+					ids->gaids_assoc_id[at++] = sctp_get_associd(stcb);
+				} else {
+					error = EINVAL;
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
+					break;
+				}
+			}
+			SCTP_INP_RUNLOCK(inp);
+			ids->gaids_number_of_ids = at;
+			*optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t));
+		}
+		break;
+	case SCTP_CONTEXT:
+		{
+			struct sctp_assoc_value *av;
+
+			SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
+			SCTP_FIND_STCB(inp, stcb, av->assoc_id);
+
+			if (stcb) {
+				av->assoc_value = stcb->asoc.context;
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				SCTP_INP_RLOCK(inp);
+				av->assoc_value = inp->sctp_context;
+				SCTP_INP_RUNLOCK(inp);
+			}
+			*optsize = sizeof(*av);
+		}
+		break;
+	case SCTP_VRF_ID:
+		{
+			uint32_t *default_vrfid;
+
+			SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize);
+			*default_vrfid = inp->def_vrf_id;
+			break;
+		}
+	case SCTP_GET_ASOC_VRF:
+		{
+			struct sctp_assoc_value *id;
+
+			SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize);
+			SCTP_FIND_STCB(inp, stcb, id->assoc_id);
+			if (stcb == NULL) {
+				error = EINVAL;
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
+				break;
+			}
+			id->assoc_value = stcb->asoc.vrf_id;
+			break;
+		}
+	case SCTP_GET_VRF_IDS:
+		{
+			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
+			error = EOPNOTSUPP;
+			break;
+		}
+	case SCTP_GET_NONCE_VALUES:
+		{
+			struct sctp_get_nonce_values *gnv;
+
+			SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize);
+			SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id);
+
+			if (stcb) {
+				gnv->gn_peers_tag = stcb->asoc.peer_vtag;
+				gnv->gn_local_tag = stcb->asoc.my_vtag;
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
+				error = ENOTCONN;
+			}
+			*optsize = sizeof(*gnv);
+		}
+		break;
+	case SCTP_DELAYED_SACK:
+		{
+			struct sctp_sack_info *sack;
+
+			SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize);
+			SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id);
+			if (stcb) {
+				sack->sack_delay = stcb->asoc.delayed_ack;
+				sack->sack_freq = stcb->asoc.sack_freq;
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				SCTP_INP_RLOCK(inp);
+				sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]);
+				sack->sack_freq = inp->sctp_ep.sctp_sack_freq;
+				SCTP_INP_RUNLOCK(inp);
+			}
+			*optsize = sizeof(*sack);
+		}
+		break;
+
+	case SCTP_GET_SNDBUF_USE:
+		{
+			struct sctp_sockstat *ss;
+
+			SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize);
+			SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id);
+
+			if (stcb) {
+				ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size;
+				ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue +
+				    stcb->asoc.size_on_all_streams);
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
+				error = ENOTCONN;
+			}
+			*optsize = sizeof(struct sctp_sockstat);
+		}
+		break;
+	case SCTP_MAX_BURST:
+		{
+			uint8_t *value;
+
+			SCTP_CHECK_AND_CAST(value, optval, uint8_t, *optsize);
+
+			SCTP_INP_RLOCK(inp);
+			*value = inp->sctp_ep.max_burst;
+			SCTP_INP_RUNLOCK(inp);
+			*optsize = sizeof(uint8_t);
+		}
+		break;
+	case SCTP_MAXSEG:
+		{
+			struct sctp_assoc_value *av;
+			int ovh;
+
+			SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
+			SCTP_FIND_STCB(inp, stcb, av->assoc_id);
+
+			if (stcb) {
+				av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc);
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				SCTP_INP_RLOCK(inp);
+				if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
+					ovh = SCTP_MED_OVERHEAD;
+				} else {
+					ovh = SCTP_MED_V4_OVERHEAD;
+				}
+				if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT)
+					av->assoc_value = 0;
+				else
+					av->assoc_value = inp->sctp_frag_point - ovh;
+				SCTP_INP_RUNLOCK(inp);
+			}
+			*optsize = sizeof(struct sctp_assoc_value);
+		}
+		break;
+	case SCTP_GET_STAT_LOG:
+		error = sctp_fill_stat_log(optval, optsize);
+		break;
+	case SCTP_EVENTS:
+		{
+			struct sctp_event_subscribe *events;
+
+			SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize);
+			memset(events, 0, sizeof(*events));
+			SCTP_INP_RLOCK(inp);
+			if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT))
+				events->sctp_data_io_event = 1;
+
+			if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT))
+				events->sctp_association_event = 1;
+
+			if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT))
+				events->sctp_address_event = 1;
+
+			if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT))
+				events->sctp_send_failure_event = 1;
+
+			if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR))
+				events->sctp_peer_error_event = 1;
+
+			if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT))
+				events->sctp_shutdown_event = 1;
+
+			if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT))
+				events->sctp_partial_delivery_event = 1;
+
+			if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT))
+				events->sctp_adaptation_layer_event = 1;
+
+			if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT))
+				events->sctp_authentication_event = 1;
+
+			if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT))
+				events->sctp_sender_dry_event = 1;
+
+			if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT))
+				events->sctp_stream_reset_event = 1;
+			SCTP_INP_RUNLOCK(inp);
+			*optsize = sizeof(struct sctp_event_subscribe);
+		}
+		break;
+
+	case SCTP_ADAPTATION_LAYER:
+		{
+			uint32_t *value;
+
+			SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
+
+			SCTP_INP_RLOCK(inp);
+			*value = inp->sctp_ep.adaptation_layer_indicator;
+			SCTP_INP_RUNLOCK(inp);
+			*optsize = sizeof(uint32_t);
+		}
+		break;
+	case SCTP_SET_INITIAL_DBG_SEQ:
+		{
+			uint32_t *value;
+
+			SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
+			SCTP_INP_RLOCK(inp);
+			*value = inp->sctp_ep.initial_sequence_debug;
+			SCTP_INP_RUNLOCK(inp);
+			*optsize = sizeof(uint32_t);
+		}
+		break;
+	case SCTP_GET_LOCAL_ADDR_SIZE:
+		{
+			uint32_t *value;
+
+			SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
+			SCTP_INP_RLOCK(inp);
+			*value = sctp_count_max_addresses(inp);
+			SCTP_INP_RUNLOCK(inp);
+			*optsize = sizeof(uint32_t);
+		}
+		break;
+	case SCTP_GET_REMOTE_ADDR_SIZE:
+		{
+			uint32_t *value;
+			size_t size;
+			struct sctp_nets *net;
+
+			SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
+			/* FIXME MT: change to sctp_assoc_value? */
+			SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value);
+
+			if (stcb) {
+				size = 0;
+				/* Count the sizes */
+				TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
+					if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) ||
+					    (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET6)) {
+						size += sizeof(struct sockaddr_in6);
+					} else if (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET) {
+						size += sizeof(struct sockaddr_in);
+					} else {
+						/* huh */
+						break;
+					}
+				}
+				SCTP_TCB_UNLOCK(stcb);
+				*value = (uint32_t) size;
+			} else {
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
+				error = ENOTCONN;
+			}
+			*optsize = sizeof(uint32_t);
+		}
+		break;
+	case SCTP_GET_PEER_ADDRESSES:
+		/*
+		 * Get the address information, an array is passed in to
+		 * fill up we pack it.
+		 */
+		{
+			size_t cpsz, left;
+			struct sockaddr_storage *sas;
+			struct sctp_nets *net;
+			struct sctp_getaddresses *saddr;
+
+			SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize);
+			SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id);
+
+			if (stcb) {
+				left = (*optsize) - sizeof(struct sctp_getaddresses);
+				*optsize = sizeof(struct sctp_getaddresses);
+				sas = (struct sockaddr_storage *)&saddr->addr[0];
+
+				TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
+					if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) ||
+					    (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET6)) {
+						cpsz = sizeof(struct sockaddr_in6);
+					} else if (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET) {
+						cpsz = sizeof(struct sockaddr_in);
+					} else {
+						/* huh */
+						break;
+					}
+					if (left < cpsz) {
+						/* not enough room. */
+						break;
+					}
+#ifdef INET6
+					if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) &&
+					    (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) {
+						/* Must map the address */
+						in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr,
+						    (struct sockaddr_in6 *)sas);
+					} else {
+#endif
+						memcpy(sas, &net->ro._l_addr, cpsz);
+#ifdef INET6
+					}
+#endif
+					((struct sockaddr_in *)sas)->sin_port = stcb->rport;
+
+					sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz);
+					left -= cpsz;
+					*optsize += cpsz;
+				}
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
+				error = ENOENT;
+			}
+		}
+		break;
+	case SCTP_GET_LOCAL_ADDRESSES:
+		{
+			size_t limit, actual;
+			struct sockaddr_storage *sas;
+			struct sctp_getaddresses *saddr;
+
+			SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize);
+			SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id);
+
+			sas = (struct sockaddr_storage *)&saddr->addr[0];
+			limit = *optsize - sizeof(sctp_assoc_t);
+			actual = sctp_fill_up_addresses(inp, stcb, limit, sas);
+			if (stcb) {
+				SCTP_TCB_UNLOCK(stcb);
+			}
+			*optsize = sizeof(struct sockaddr_storage) + actual;
+		}
+		break;
+	case SCTP_PEER_ADDR_PARAMS:
+		{
+			struct sctp_paddrparams *paddrp;
+			struct sctp_nets *net;
+
+			SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize);
+			SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id);
+
+			net = NULL;
+			if (stcb) {
+				net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address);
+			} else {
+				/*
+				 * We increment here since
+				 * sctp_findassociation_ep_addr() wil do a
+				 * decrement if it finds the stcb as long as
+				 * the locked tcb (last argument) is NOT a
+				 * TCB.. aka NULL.
+				 */
+				SCTP_INP_INCR_REF(inp);
+				stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddrp->spp_address, &net, NULL, NULL);
+				if (stcb == NULL) {
+					SCTP_INP_DECR_REF(inp);
+				}
+			}
+			if (stcb && (net == NULL)) {
+				struct sockaddr *sa;
+
+				sa = (struct sockaddr *)&paddrp->spp_address;
+				if (sa->sa_family == AF_INET) {
+					struct sockaddr_in *sin;
+
+					sin = (struct sockaddr_in *)sa;
+					if (sin->sin_addr.s_addr) {
+						error = EINVAL;
+						SCTP_TCB_UNLOCK(stcb);
+						SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
+						break;
+					}
+				} else if (sa->sa_family == AF_INET6) {
+					struct sockaddr_in6 *sin6;
+
+					sin6 = (struct sockaddr_in6 *)sa;
+					if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
+						error = EINVAL;
+						SCTP_TCB_UNLOCK(stcb);
+						SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
+						break;
+					}
+				} else {
+					error = EAFNOSUPPORT;
+					SCTP_TCB_UNLOCK(stcb);
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
+					break;
+				}
+			}
+			if (stcb) {
+				/* Applys to the specific association */
+				paddrp->spp_flags = 0;
+				if (net) {
+					int ovh;
+
+					if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
+						ovh = SCTP_MED_OVERHEAD;
+					} else {
+						ovh = SCTP_MED_V4_OVERHEAD;
+					}
+
+
+					paddrp->spp_pathmaxrxt = net->failure_threshold;
+					paddrp->spp_pathmtu = net->mtu - ovh;
+					/* get flags for HB */
+					if (net->dest_state & SCTP_ADDR_NOHB)
+						paddrp->spp_flags |= SPP_HB_DISABLE;
+					else
+						paddrp->spp_flags |= SPP_HB_ENABLE;
+					/* get flags for PMTU */
+					if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
+						paddrp->spp_flags |= SPP_PMTUD_ENABLE;
+					} else {
+						paddrp->spp_flags |= SPP_PMTUD_DISABLE;
+					}
+#ifdef INET
+					if (net->ro._l_addr.sin.sin_family == AF_INET) {
+						paddrp->spp_ipv4_tos = net->tos_flowlabel & 0x000000fc;
+						paddrp->spp_flags |= SPP_IPV4_TOS;
+					}
+#endif
+#ifdef INET6
+					if (net->ro._l_addr.sin6.sin6_family == AF_INET6) {
+						paddrp->spp_ipv6_flowlabel = net->tos_flowlabel;
+						paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
+					}
+#endif
+				} else {
+					/*
+					 * No destination so return default
+					 * value
+					 */
+					int cnt = 0;
+
+					paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure;
+					paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc);
+#ifdef INET
+					paddrp->spp_ipv4_tos = stcb->asoc.default_tos & 0x000000fc;
+					paddrp->spp_flags |= SPP_IPV4_TOS;
+#endif
+#ifdef INET6
+					paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel;
+					paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
+#endif
+					/* default settings should be these */
+					if (stcb->asoc.hb_is_disabled == 0) {
+						paddrp->spp_flags |= SPP_HB_ENABLE;
+					} else {
+						paddrp->spp_flags |= SPP_HB_DISABLE;
+					}
+					TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
+						if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
+							cnt++;
+						}
+					}
+					if (cnt) {
+						paddrp->spp_flags |= SPP_PMTUD_ENABLE;
+					}
+				}
+				paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay;
+				paddrp->spp_assoc_id = sctp_get_associd(stcb);
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				/* Use endpoint defaults */
+				SCTP_INP_RLOCK(inp);
+				paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure;
+				paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]);
+				paddrp->spp_assoc_id = (sctp_assoc_t) 0;
+				/* get inp's default */
+#ifdef INET
+				paddrp->spp_ipv4_tos = inp->ip_inp.inp.inp_ip_tos;
+				paddrp->spp_flags |= SPP_IPV4_TOS;
+#endif
+#ifdef INET6
+				if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
+					paddrp->spp_ipv6_flowlabel = ((struct in6pcb *)inp)->in6p_flowinfo;
+					paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
+				}
+#endif
+				/* can't return this */
+				paddrp->spp_pathmtu = 0;
+
+				/* default behavior, no stcb */
+				paddrp->spp_flags = SPP_PMTUD_ENABLE;
+
+				if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) {
+					paddrp->spp_flags |= SPP_HB_ENABLE;
+				} else {
+					paddrp->spp_flags |= SPP_HB_DISABLE;
+				}
+				SCTP_INP_RUNLOCK(inp);
+			}
+			*optsize = sizeof(struct sctp_paddrparams);
+		}
+		break;
+	case SCTP_GET_PEER_ADDR_INFO:
+		{
+			struct sctp_paddrinfo *paddri;
+			struct sctp_nets *net;
+
+			SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize);
+			SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id);
+
+			net = NULL;
+			if (stcb) {
+				net = sctp_findnet(stcb, (struct sockaddr *)&paddri->spinfo_address);
+			} else {
+				/*
+				 * We increment here since
+				 * sctp_findassociation_ep_addr() wil do a
+				 * decrement if it finds the stcb as long as
+				 * the locked tcb (last argument) is NOT a
+				 * TCB.. aka NULL.
+				 */
+				SCTP_INP_INCR_REF(inp);
+				stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddri->spinfo_address, &net, NULL, NULL);
+				if (stcb == NULL) {
+					SCTP_INP_DECR_REF(inp);
+				}
+			}
+
+			if ((stcb) && (net)) {
+				paddri->spinfo_state = net->dest_state & (SCTP_REACHABLE_MASK | SCTP_ADDR_NOHB);
+				paddri->spinfo_cwnd = net->cwnd;
+				paddri->spinfo_srtt = ((net->lastsa >> 2) + net->lastsv) >> 1;
+				paddri->spinfo_rto = net->RTO;
+				paddri->spinfo_assoc_id = sctp_get_associd(stcb);
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				if (stcb) {
+					SCTP_TCB_UNLOCK(stcb);
+				}
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
+				error = ENOENT;
+			}
+			*optsize = sizeof(struct sctp_paddrinfo);
+		}
+		break;
+	case SCTP_PCB_STATUS:
+		{
+			struct sctp_pcbinfo *spcb;
+
+			SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize);
+			sctp_fill_pcbinfo(spcb);
+			*optsize = sizeof(struct sctp_pcbinfo);
+		}
+		break;
+
+	case SCTP_STATUS:
+		{
+			struct sctp_nets *net;
+			struct sctp_status *sstat;
+
+			SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize);
+			SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id);
+
+			if (stcb == NULL) {
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
+				error = EINVAL;
+				break;
+			}
+			/*
+			 * I think passing the state is fine since
+			 * sctp_constants.h will be available to the user
+			 * land.
+			 */
+			sstat->sstat_state = stcb->asoc.state;
+			sstat->sstat_assoc_id = sctp_get_associd(stcb);
+			sstat->sstat_rwnd = stcb->asoc.peers_rwnd;
+			sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt;
+			/*
+			 * We can't include chunks that have been passed to
+			 * the socket layer. Only things in queue.
+			 */
+			sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue +
+			    stcb->asoc.cnt_on_all_streams);
+
+
+			sstat->sstat_instrms = stcb->asoc.streamincnt;
+			sstat->sstat_outstrms = stcb->asoc.streamoutcnt;
+			sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc);
+			memcpy(&sstat->sstat_primary.spinfo_address,
+			    &stcb->asoc.primary_destination->ro._l_addr,
+			    ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len);
+			net = stcb->asoc.primary_destination;
+			((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport;
+			/*
+			 * Again the user can get info from sctp_constants.h
+			 * for what the state of the network is.
+			 */
+			sstat->sstat_primary.spinfo_state = net->dest_state & SCTP_REACHABLE_MASK;
+			sstat->sstat_primary.spinfo_cwnd = net->cwnd;
+			sstat->sstat_primary.spinfo_srtt = net->lastsa;
+			sstat->sstat_primary.spinfo_rto = net->RTO;
+			sstat->sstat_primary.spinfo_mtu = net->mtu;
+			sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb);
+			SCTP_TCB_UNLOCK(stcb);
+			*optsize = sizeof(*sstat);
+		}
+		break;
+	case SCTP_RTOINFO:
+		{
+			struct sctp_rtoinfo *srto;
+
+			SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize);
+			SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id);
+
+			if (stcb) {
+				srto->srto_initial = stcb->asoc.initial_rto;
+				srto->srto_max = stcb->asoc.maxrto;
+				srto->srto_min = stcb->asoc.minrto;
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				SCTP_INP_RLOCK(inp);
+				srto->srto_initial = inp->sctp_ep.initial_rto;
+				srto->srto_max = inp->sctp_ep.sctp_maxrto;
+				srto->srto_min = inp->sctp_ep.sctp_minrto;
+				SCTP_INP_RUNLOCK(inp);
+			}
+			*optsize = sizeof(*srto);
+		}
+		break;
+	case SCTP_TIMEOUTS:
+		{
+			struct sctp_timeouts *stimo;
+
+			SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize);
+			SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id);
+
+			if (stcb) {
+				stimo->stimo_init = stcb->asoc.timoinit;
+				stimo->stimo_data = stcb->asoc.timodata;
+				stimo->stimo_sack = stcb->asoc.timosack;
+				stimo->stimo_shutdown = stcb->asoc.timoshutdown;
+				stimo->stimo_heartbeat = stcb->asoc.timoheartbeat;
+				stimo->stimo_cookie = stcb->asoc.timocookie;
+				stimo->stimo_shutdownack = stcb->asoc.timoshutdownack;
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
+				error = EINVAL;
+			}
+			*optsize = sizeof(*stimo);
+		}
+		break;
+	case SCTP_ASSOCINFO:
+		{
+			struct sctp_assocparams *sasoc;
+			uint32_t oldval;
+
+			SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize);
+			SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id);
+
+			if (stcb) {
+				oldval = sasoc->sasoc_cookie_life;
+				sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life);
+				sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times;
+				sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets;
+				sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd;
+				sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd;
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				SCTP_INP_RLOCK(inp);
+				sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life);
+				sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times;
+				sasoc->sasoc_number_peer_destinations = 0;
+				sasoc->sasoc_peer_rwnd = 0;
+				sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv);
+				SCTP_INP_RUNLOCK(inp);
+			}
+			*optsize = sizeof(*sasoc);
+		}
+		break;
+	case SCTP_DEFAULT_SEND_PARAM:
+		{
+			struct sctp_sndrcvinfo *s_info;
+
+			SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize);
+			SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id);
+
+			if (stcb) {
+				memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send));
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				SCTP_INP_RLOCK(inp);
+				memcpy(s_info, &inp->def_send, sizeof(inp->def_send));
+				SCTP_INP_RUNLOCK(inp);
+			}
+			*optsize = sizeof(*s_info);
+		}
+		break;
+	case SCTP_INITMSG:
+		{
+			struct sctp_initmsg *sinit;
+
+			SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize);
+			SCTP_INP_RLOCK(inp);
+			sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count;
+			sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome;
+			sinit->sinit_max_attempts = inp->sctp_ep.max_init_times;
+			sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max;
+			SCTP_INP_RUNLOCK(inp);
+			*optsize = sizeof(*sinit);
+		}
+		break;
+	case SCTP_PRIMARY_ADDR:
+		/* we allow a "get" operation on this */
+		{
+			struct sctp_setprim *ssp;
+
+			SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize);
+			SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id);
+
+			if (stcb) {
+				/* simply copy out the sockaddr_storage... */
+				int len;
+
+				len = *optsize;
+				if (len > stcb->asoc.primary_destination->ro._l_addr.sa.sa_len)
+					len = stcb->asoc.primary_destination->ro._l_addr.sa.sa_len;
+
+				memcpy(&ssp->ssp_addr,
+				    &stcb->asoc.primary_destination->ro._l_addr,
+				    len);
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
+				error = EINVAL;
+			}
+			*optsize = sizeof(*ssp);
+		}
+		break;
+
+	case SCTP_HMAC_IDENT:
+		{
+			struct sctp_hmacalgo *shmac;
+			sctp_hmaclist_t *hmaclist;
+			uint32_t size;
+			int i;
+
+			SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize);
+
+			SCTP_INP_RLOCK(inp);
+			hmaclist = inp->sctp_ep.local_hmacs;
+			if (hmaclist == NULL) {
+				/* no HMACs to return */
+				*optsize = sizeof(*shmac);
+				SCTP_INP_RUNLOCK(inp);
+				break;
+			}
+			/* is there room for all of the hmac ids? */
+			size = sizeof(*shmac) + (hmaclist->num_algo *
+			    sizeof(shmac->shmac_idents[0]));
+			if ((size_t)(*optsize) < size) {
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
+				error = EINVAL;
+				SCTP_INP_RUNLOCK(inp);
+				break;
+			}
+			/* copy in the list */
+			shmac->shmac_number_of_idents = hmaclist->num_algo;
+			for (i = 0; i < hmaclist->num_algo; i++) {
+				shmac->shmac_idents[i] = hmaclist->hmac[i];
+			}
+			SCTP_INP_RUNLOCK(inp);
+			*optsize = size;
+			break;
+		}
+	case SCTP_AUTH_ACTIVE_KEY:
+		{
+			struct sctp_authkeyid *scact;
+
+			SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize);
+			SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id);
+
+			if (stcb) {
+				/* get the active key on the assoc */
+				scact->scact_keynumber = stcb->asoc.authinfo.active_keyid;
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				/* get the endpoint active key */
+				SCTP_INP_RLOCK(inp);
+				scact->scact_keynumber = inp->sctp_ep.default_keyid;
+				SCTP_INP_RUNLOCK(inp);
+			}
+			*optsize = sizeof(*scact);
+			break;
+		}
+	case SCTP_LOCAL_AUTH_CHUNKS:
+		{
+			struct sctp_authchunks *sac;
+			sctp_auth_chklist_t *chklist = NULL;
+			size_t size = 0;
+
+			SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize);
+			SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id);
+
+			if (stcb) {
+				/* get off the assoc */
+				chklist = stcb->asoc.local_auth_chunks;
+				/* is there enough space? */
+				size = sctp_auth_get_chklist_size(chklist);
+				if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
+					error = EINVAL;
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
+				} else {
+					/* copy in the chunks */
+					(void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
+				}
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				/* get off the endpoint */
+				SCTP_INP_RLOCK(inp);
+				chklist = inp->sctp_ep.local_auth_chunks;
+				/* is there enough space? */
+				size = sctp_auth_get_chklist_size(chklist);
+				if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
+					error = EINVAL;
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
+				} else {
+					/* copy in the chunks */
+					(void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
+				}
+				SCTP_INP_RUNLOCK(inp);
+			}
+			*optsize = sizeof(struct sctp_authchunks) + size;
+			break;
+		}
+	case SCTP_PEER_AUTH_CHUNKS:
+		{
+			struct sctp_authchunks *sac;
+			sctp_auth_chklist_t *chklist = NULL;
+			size_t size = 0;
+
+			SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize);
+			SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id);
+
+			if (stcb) {
+				/* get off the assoc */
+				chklist = stcb->asoc.peer_auth_chunks;
+				/* is there enough space? */
+				size = sctp_auth_get_chklist_size(chklist);
+				if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
+					error = EINVAL;
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
+				} else {
+					/* copy in the chunks */
+					(void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
+				}
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
+				error = ENOENT;
+			}
+			*optsize = sizeof(struct sctp_authchunks) + size;
+			break;
+		}
+
+
+	default:
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
+		error = ENOPROTOOPT;
+		*optsize = 0;
+		break;
+	}			/* end switch (sopt->sopt_name) */
+	return (error);
+}
+
+static int
+sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
+    void *p)
+{
+	int error, set_opt;
+	uint32_t *mopt;
+	struct sctp_tcb *stcb = NULL;
+	struct sctp_inpcb *inp = NULL;
+	uint32_t vrf_id;
+
+	if (optval == NULL) {
+		SCTP_PRINTF("optval is NULL\n");
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+		return (EINVAL);
+	}
+	inp = (struct sctp_inpcb *)so->so_pcb;
+	if (inp == 0) {
+		SCTP_PRINTF("inp is NULL?\n");
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+		return EINVAL;
+	}
+	vrf_id = inp->def_vrf_id;
+
+	error = 0;
+	switch (optname) {
+	case SCTP_NODELAY:
+	case SCTP_AUTOCLOSE:
+	case SCTP_AUTO_ASCONF:
+	case SCTP_EXPLICIT_EOR:
+	case SCTP_DISABLE_FRAGMENTS:
+	case SCTP_USE_EXT_RCVINFO:
+	case SCTP_I_WANT_MAPPED_V4_ADDR:
+		/* copy in the option value */
+		SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize);
+		set_opt = 0;
+		if (error)
+			break;
+		switch (optname) {
+		case SCTP_DISABLE_FRAGMENTS:
+			set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT;
+			break;
+		case SCTP_AUTO_ASCONF:
+			/*
+			 * NOTE: we don't really support this flag
+			 */
+			if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
+				/* only valid for bound all sockets */
+				set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF;
+			} else {
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+				return (EINVAL);
+			}
+			break;
+		case SCTP_EXPLICIT_EOR:
+			set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR;
+			break;
+		case SCTP_USE_EXT_RCVINFO:
+			set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO;
+			break;
+		case SCTP_I_WANT_MAPPED_V4_ADDR:
+			if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
+				set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4;
+			} else {
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+				return (EINVAL);
+			}
+			break;
+		case SCTP_NODELAY:
+			set_opt = SCTP_PCB_FLAGS_NODELAY;
+			break;
+		case SCTP_AUTOCLOSE:
+			if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
+			    (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+				return (EINVAL);
+			}
+			set_opt = SCTP_PCB_FLAGS_AUTOCLOSE;
+			/*
+			 * The value is in ticks. Note this does not effect
+			 * old associations, only new ones.
+			 */
+			inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt);
+			break;
+		}
+		SCTP_INP_WLOCK(inp);
+		if (*mopt != 0) {
+			sctp_feature_on(inp, set_opt);
+		} else {
+			sctp_feature_off(inp, set_opt);
+		}
+		SCTP_INP_WUNLOCK(inp);
+		break;
+	case SCTP_REUSE_PORT:
+		{
+			SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize);
+			if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) {
+				/* Can't set it after we are bound */
+				error = EINVAL;
+				break;
+			}
+			if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) {
+				/* Can't do this for a 1-m socket */
+				error = EINVAL;
+				break;
+			}
+			if (optval)
+				sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE);
+			else
+				sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE);
+		}
+		break;
+	case SCTP_PARTIAL_DELIVERY_POINT:
+		{
+			uint32_t *value;
+
+			SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize);
+			if (*value > SCTP_SB_LIMIT_RCV(so)) {
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+				error = EINVAL;
+				break;
+			}
+			inp->partial_delivery_point = *value;
+		}
+		break;
+	case SCTP_FRAGMENT_INTERLEAVE:
+		/* not yet until we re-write sctp_recvmsg() */
+		{
+			uint32_t *level;
+
+			SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize);
+			if (*level == SCTP_FRAG_LEVEL_2) {
+				sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
+				sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
+			} else if (*level == SCTP_FRAG_LEVEL_1) {
+				sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
+				sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
+			} else if (*level == SCTP_FRAG_LEVEL_0) {
+				sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
+				sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
+
+			} else {
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+				error = EINVAL;
+			}
+		}
+		break;
+	case SCTP_CMT_ON_OFF:
+		if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) {
+			struct sctp_assoc_value *av;
+
+			SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
+			SCTP_FIND_STCB(inp, stcb, av->assoc_id);
+			if (stcb) {
+				if (av->assoc_value != 0)
+					stcb->asoc.sctp_cmt_on_off = 1;
+				else
+					stcb->asoc.sctp_cmt_on_off = 0;
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				SCTP_INP_WLOCK(inp);
+				if (av->assoc_value != 0)
+					inp->sctp_cmt_on_off = 1;
+				else
+					inp->sctp_cmt_on_off = 0;
+				SCTP_INP_WUNLOCK(inp);
+			}
+		} else {
+			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
+			error = ENOPROTOOPT;
+		}
+		break;
+		/* JRS - Set socket option for pluggable congestion control */
+	case SCTP_PLUGGABLE_CC:
+		{
+			struct sctp_assoc_value *av;
+
+			SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
+			SCTP_FIND_STCB(inp, stcb, av->assoc_id);
+			if (stcb) {
+				switch (av->assoc_value) {
+					/*
+					 * JRS - Standard TCP congestion
+					 * control
+					 */
+				case SCTP_CC_RFC2581:
+					{
+						stcb->asoc.congestion_control_module = SCTP_CC_RFC2581;
+						stcb->asoc.cc_functions.sctp_set_initial_cc_param = &sctp_set_initial_cc_param;
+						stcb->asoc.cc_functions.sctp_cwnd_update_after_sack = &sctp_cwnd_update_after_sack;
+						stcb->asoc.cc_functions.sctp_cwnd_update_after_fr = &sctp_cwnd_update_after_fr;
+						stcb->asoc.cc_functions.sctp_cwnd_update_after_timeout = &sctp_cwnd_update_after_timeout;
+						stcb->asoc.cc_functions.sctp_cwnd_update_after_ecn_echo = &sctp_cwnd_update_after_ecn_echo;
+						stcb->asoc.cc_functions.sctp_cwnd_update_after_packet_dropped = &sctp_cwnd_update_after_packet_dropped;
+						stcb->asoc.cc_functions.sctp_cwnd_update_after_output = &sctp_cwnd_update_after_output;
+						stcb->asoc.cc_functions.sctp_cwnd_update_after_fr_timer = &sctp_cwnd_update_after_fr_timer;
+						SCTP_TCB_UNLOCK(stcb);
+						break;
+					}
+					/*
+					 * JRS - High Speed TCP congestion
+					 * control (Floyd)
+					 */
+				case SCTP_CC_HSTCP:
+					{
+						stcb->asoc.congestion_control_module = SCTP_CC_HSTCP;
+						stcb->asoc.cc_functions.sctp_set_initial_cc_param = &sctp_set_initial_cc_param;
+						stcb->asoc.cc_functions.sctp_cwnd_update_after_sack = &sctp_hs_cwnd_update_after_sack;
+						stcb->asoc.cc_functions.sctp_cwnd_update_after_fr = &sctp_hs_cwnd_update_after_fr;
+						stcb->asoc.cc_functions.sctp_cwnd_update_after_timeout = &sctp_cwnd_update_after_timeout;
+						stcb->asoc.cc_functions.sctp_cwnd_update_after_ecn_echo = &sctp_cwnd_update_after_ecn_echo;
+						stcb->asoc.cc_functions.sctp_cwnd_update_after_packet_dropped = &sctp_cwnd_update_after_packet_dropped;
+						stcb->asoc.cc_functions.sctp_cwnd_update_after_output = &sctp_cwnd_update_after_output;
+						stcb->asoc.cc_functions.sctp_cwnd_update_after_fr_timer = &sctp_cwnd_update_after_fr_timer;
+						SCTP_TCB_UNLOCK(stcb);
+						break;
+					}
+					/* JRS - HTCP congestion control */
+				case SCTP_CC_HTCP:
+					{
+						stcb->asoc.congestion_control_module = SCTP_CC_HTCP;
+						stcb->asoc.cc_functions.sctp_set_initial_cc_param = &sctp_htcp_set_initial_cc_param;
+						stcb->asoc.cc_functions.sctp_cwnd_update_after_sack = &sctp_htcp_cwnd_update_after_sack;
+						stcb->asoc.cc_functions.sctp_cwnd_update_after_fr = &sctp_htcp_cwnd_update_after_fr;
+						stcb->asoc.cc_functions.sctp_cwnd_update_after_timeout = &sctp_htcp_cwnd_update_after_timeout;
+						stcb->asoc.cc_functions.sctp_cwnd_update_after_ecn_echo = &sctp_htcp_cwnd_update_after_ecn_echo;
+						stcb->asoc.cc_functions.sctp_cwnd_update_after_packet_dropped = &sctp_cwnd_update_after_packet_dropped;
+						stcb->asoc.cc_functions.sctp_cwnd_update_after_output = &sctp_cwnd_update_after_output;
+						stcb->asoc.cc_functions.sctp_cwnd_update_after_fr_timer = &sctp_htcp_cwnd_update_after_fr_timer;
+						SCTP_TCB_UNLOCK(stcb);
+						break;
+					}
+					/*
+					 * JRS - All other values are
+					 * invalid
+					 */
+				default:
+					{
+						SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+						error = EINVAL;
+						SCTP_TCB_UNLOCK(stcb);
+						break;
+					}
+				}
+			} else {
+				switch (av->assoc_value) {
+				case SCTP_CC_RFC2581:
+				case SCTP_CC_HSTCP:
+				case SCTP_CC_HTCP:
+					inp->sctp_ep.sctp_default_cc_module = av->assoc_value;
+					break;
+				default:
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+					error = EINVAL;
+					break;
+				};
+			}
+		}
+		break;
+	case SCTP_CLR_STAT_LOG:
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
+		error = EOPNOTSUPP;
+		break;
+	case SCTP_CONTEXT:
+		{
+			struct sctp_assoc_value *av;
+
+			SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
+			SCTP_FIND_STCB(inp, stcb, av->assoc_id);
+
+			if (stcb) {
+				stcb->asoc.context = av->assoc_value;
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				SCTP_INP_WLOCK(inp);
+				inp->sctp_context = av->assoc_value;
+				SCTP_INP_WUNLOCK(inp);
+			}
+		}
+		break;
+	case SCTP_VRF_ID:
+		{
+			uint32_t *default_vrfid;
+
+			SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize);
+			if (*default_vrfid > SCTP_MAX_VRF_ID) {
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+				error = EINVAL;
+				break;
+			}
+			inp->def_vrf_id = *default_vrfid;
+			break;
+		}
+	case SCTP_DEL_VRF_ID:
+		{
+			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
+			error = EOPNOTSUPP;
+			break;
+		}
+	case SCTP_ADD_VRF_ID:
+		{
+			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
+			error = EOPNOTSUPP;
+			break;
+		}
+	case SCTP_DELAYED_SACK:
+		{
+			struct sctp_sack_info *sack;
+
+			SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize);
+			SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id);
+			if (sack->sack_delay) {
+				if (sack->sack_delay > SCTP_MAX_SACK_DELAY)
+					sack->sack_delay = SCTP_MAX_SACK_DELAY;
+			}
+			if (stcb) {
+				if (sack->sack_delay) {
+					if (MSEC_TO_TICKS(sack->sack_delay) < 1) {
+						sack->sack_delay = TICKS_TO_MSEC(1);
+					}
+					stcb->asoc.delayed_ack = sack->sack_delay;
+				}
+				if (sack->sack_freq) {
+					stcb->asoc.sack_freq = sack->sack_freq;
+				}
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				SCTP_INP_WLOCK(inp);
+				if (sack->sack_delay) {
+					if (MSEC_TO_TICKS(sack->sack_delay) < 1) {
+						sack->sack_delay = TICKS_TO_MSEC(1);
+					}
+					inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay);
+				}
+				if (sack->sack_freq) {
+					inp->sctp_ep.sctp_sack_freq = sack->sack_freq;
+				}
+				SCTP_INP_WUNLOCK(inp);
+			}
+			break;
+		}
+	case SCTP_AUTH_CHUNK:
+		{
+			struct sctp_authchunk *sauth;
+
+			SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize);
+
+			SCTP_INP_WLOCK(inp);
+			if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) {
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+				error = EINVAL;
+			}
+			SCTP_INP_WUNLOCK(inp);
+			break;
+		}
+	case SCTP_AUTH_KEY:
+		{
+			struct sctp_authkey *sca;
+			struct sctp_keyhead *shared_keys;
+			sctp_sharedkey_t *shared_key;
+			sctp_key_t *key = NULL;
+			size_t size;
+
+			SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize);
+			SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id);
+			size = optsize - sizeof(*sca);
+
+			if (stcb) {
+				/* set it on the assoc */
+				shared_keys = &stcb->asoc.shared_keys;
+				/* clear the cached keys for this key id */
+				sctp_clear_cachedkeys(stcb, sca->sca_keynumber);
+				/*
+				 * create the new shared key and
+				 * insert/replace it
+				 */
+				if (size > 0) {
+					key = sctp_set_key(sca->sca_key, (uint32_t) size);
+					if (key == NULL) {
+						SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
+						error = ENOMEM;
+						SCTP_TCB_UNLOCK(stcb);
+						break;
+					}
+				}
+				shared_key = sctp_alloc_sharedkey();
+				if (shared_key == NULL) {
+					sctp_free_key(key);
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
+					error = ENOMEM;
+					SCTP_TCB_UNLOCK(stcb);
+					break;
+				}
+				shared_key->key = key;
+				shared_key->keyid = sca->sca_keynumber;
+				error = sctp_insert_sharedkey(shared_keys, shared_key);
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				/* set it on the endpoint */
+				SCTP_INP_WLOCK(inp);
+				shared_keys = &inp->sctp_ep.shared_keys;
+				/*
+				 * clear the cached keys on all assocs for
+				 * this key id
+				 */
+				sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber);
+				/*
+				 * create the new shared key and
+				 * insert/replace it
+				 */
+				if (size > 0) {
+					key = sctp_set_key(sca->sca_key, (uint32_t) size);
+					if (key == NULL) {
+						SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
+						error = ENOMEM;
+						SCTP_INP_WUNLOCK(inp);
+						break;
+					}
+				}
+				shared_key = sctp_alloc_sharedkey();
+				if (shared_key == NULL) {
+					sctp_free_key(key);
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
+					error = ENOMEM;
+					SCTP_INP_WUNLOCK(inp);
+					break;
+				}
+				shared_key->key = key;
+				shared_key->keyid = sca->sca_keynumber;
+				error = sctp_insert_sharedkey(shared_keys, shared_key);
+				SCTP_INP_WUNLOCK(inp);
+			}
+			break;
+		}
+	case SCTP_HMAC_IDENT:
+		{
+			struct sctp_hmacalgo *shmac;
+			sctp_hmaclist_t *hmaclist;
+			uint16_t hmacid;
+			uint32_t i;
+
+			size_t found;
+
+			SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize);
+			if (optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) {
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+				error = EINVAL;
+				break;
+			}
+			hmaclist = sctp_alloc_hmaclist(shmac->shmac_number_of_idents);
+			if (hmaclist == NULL) {
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
+				error = ENOMEM;
+				break;
+			}
+			for (i = 0; i < shmac->shmac_number_of_idents; i++) {
+				hmacid = shmac->shmac_idents[i];
+				if (sctp_auth_add_hmacid(hmaclist, hmacid)) {
+					 /* invalid HMACs were found */ ;
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+					error = EINVAL;
+					sctp_free_hmaclist(hmaclist);
+					goto sctp_set_hmac_done;
+				}
+			}
+			found = 0;
+			for (i = 0; i < hmaclist->num_algo; i++) {
+				if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) {
+					/* already in list */
+					found = 1;
+				}
+			}
+			if (!found) {
+				sctp_free_hmaclist(hmaclist);
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+				error = EINVAL;
+				break;
+			}
+			/* set it on the endpoint */
+			SCTP_INP_WLOCK(inp);
+			if (inp->sctp_ep.local_hmacs)
+				sctp_free_hmaclist(inp->sctp_ep.local_hmacs);
+			inp->sctp_ep.local_hmacs = hmaclist;
+			SCTP_INP_WUNLOCK(inp);
+	sctp_set_hmac_done:
+			break;
+		}
+	case SCTP_AUTH_ACTIVE_KEY:
+		{
+			struct sctp_authkeyid *scact;
+
+			SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid,
+			    optsize);
+			SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id);
+
+			/* set the active key on the right place */
+			if (stcb) {
+				/* set the active key on the assoc */
+				if (sctp_auth_setactivekey(stcb,
+				    scact->scact_keynumber)) {
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL,
+					    SCTP_FROM_SCTP_USRREQ,
+					    EINVAL);
+					error = EINVAL;
+				}
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				/* set the active key on the endpoint */
+				SCTP_INP_WLOCK(inp);
+				if (sctp_auth_setactivekey_ep(inp,
+				    scact->scact_keynumber)) {
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL,
+					    SCTP_FROM_SCTP_USRREQ,
+					    EINVAL);
+					error = EINVAL;
+				}
+				SCTP_INP_WUNLOCK(inp);
+			}
+			break;
+		}
+	case SCTP_AUTH_DELETE_KEY:
+		{
+			struct sctp_authkeyid *scdel;
+
+			SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid,
+			    optsize);
+			SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id);
+
+			/* delete the key from the right place */
+			if (stcb) {
+				if (sctp_delete_sharedkey(stcb,
+				    scdel->scact_keynumber)) {
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL,
+					    SCTP_FROM_SCTP_USRREQ,
+					    EINVAL);
+					error = EINVAL;
+				}
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				SCTP_INP_WLOCK(inp);
+				if (sctp_delete_sharedkey_ep(inp,
+				    scdel->scact_keynumber)) {
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL,
+					    SCTP_FROM_SCTP_USRREQ,
+					    EINVAL);
+					error = EINVAL;
+				}
+				SCTP_INP_WUNLOCK(inp);
+			}
+			break;
+		}
+	case SCTP_AUTH_DEACTIVATE_KEY:
+		{
+			struct sctp_authkeyid *keyid;
+
+			SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid,
+			    optsize);
+			SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id);
+
+			/* deactivate the key from the right place */
+			if (stcb) {
+				if (sctp_deact_sharedkey(stcb,
+				    keyid->scact_keynumber)) {
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL,
+					    SCTP_FROM_SCTP_USRREQ,
+					    EINVAL);
+					error = EINVAL;
+				}
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				SCTP_INP_WLOCK(inp);
+				if (sctp_deact_sharedkey_ep(inp,
+				    keyid->scact_keynumber)) {
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL,
+					    SCTP_FROM_SCTP_USRREQ,
+					    EINVAL);
+					error = EINVAL;
+				}
+				SCTP_INP_WUNLOCK(inp);
+			}
+			break;
+		}
+
+	case SCTP_RESET_STREAMS:
+		{
+			struct sctp_stream_reset *strrst;
+			uint8_t send_in = 0, send_tsn = 0, send_out = 0,
+			        addstream = 0;
+			uint16_t addstrmcnt = 0;
+			int i;
+
+			SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_stream_reset, optsize);
+			SCTP_FIND_STCB(inp, stcb, strrst->strrst_assoc_id);
+
+			if (stcb == NULL) {
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
+				error = ENOENT;
+				break;
+			}
+			if (stcb->asoc.peer_supports_strreset == 0) {
+				/*
+				 * Peer does not support it, we return
+				 * protocol not supported since this is true
+				 * for this feature and this peer, not the
+				 * socket request in general.
+				 */
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPROTONOSUPPORT);
+				error = EPROTONOSUPPORT;
+				SCTP_TCB_UNLOCK(stcb);
+				break;
+			}
+			if (stcb->asoc.stream_reset_outstanding) {
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
+				error = EALREADY;
+				SCTP_TCB_UNLOCK(stcb);
+				break;
+			}
+			if (strrst->strrst_flags == SCTP_RESET_LOCAL_RECV) {
+				send_in = 1;
+			} else if (strrst->strrst_flags == SCTP_RESET_LOCAL_SEND) {
+				send_out = 1;
+			} else if (strrst->strrst_flags == SCTP_RESET_BOTH) {
+				send_in = 1;
+				send_out = 1;
+			} else if (strrst->strrst_flags == SCTP_RESET_TSN) {
+				send_tsn = 1;
+			} else if (strrst->strrst_flags == SCTP_RESET_ADD_STREAMS) {
+				if (send_tsn ||
+				    send_in ||
+				    send_out) {
+					/* We can't do that and add streams */
+					error = EINVAL;
+					goto skip_stuff;
+				}
+				if (stcb->asoc.stream_reset_outstanding) {
+					error = EBUSY;
+					goto skip_stuff;
+				}
+				addstream = 1;
+				/* We allocate here */
+				addstrmcnt = strrst->strrst_num_streams;
+				if ((int)(addstrmcnt + stcb->asoc.streamoutcnt) > 0xffff) {
+					/* You can't have more than 64k */
+					error = EINVAL;
+					goto skip_stuff;
+				}
+				if ((stcb->asoc.strm_realoutsize - stcb->asoc.streamoutcnt) < addstrmcnt) {
+					/* Need to allocate more */
+					struct sctp_stream_out *oldstream;
+					struct sctp_stream_queue_pending *sp;
+					int removed;
+
+					oldstream = stcb->asoc.strmout;
+					/* get some more */
+					SCTP_MALLOC(stcb->asoc.strmout, struct sctp_stream_out *,
+					    ((stcb->asoc.streamoutcnt + addstrmcnt) * sizeof(struct sctp_stream_out)),
+					    SCTP_M_STRMO);
+					if (stcb->asoc.strmout == NULL) {
+						stcb->asoc.strmout = oldstream;
+						error = ENOMEM;
+						goto skip_stuff;
+					}
+					/*
+					 * Ok now we proceed with copying
+					 * the old out stuff and
+					 * initializing the new stuff.
+					 */
+					SCTP_TCB_SEND_LOCK(stcb);
+					for (i = 0; i < stcb->asoc.streamoutcnt; i++) {
+						TAILQ_INIT(&stcb->asoc.strmout[i].outqueue);
+						stcb->asoc.strmout[i].next_sequence_sent = oldstream[i].next_sequence_sent;
+						stcb->asoc.strmout[i].last_msg_incomplete = oldstream[i].last_msg_incomplete;
+						stcb->asoc.strmout[i].stream_no = i;
+						if (oldstream[i].next_spoke.tqe_next) {
+							sctp_remove_from_wheel(stcb, &stcb->asoc, &oldstream[i], 1);
+							stcb->asoc.strmout[i].next_spoke.tqe_next = NULL;
+							stcb->asoc.strmout[i].next_spoke.tqe_prev = NULL;
+							removed = 1;
+						} else {
+							/* not on out wheel */
+							stcb->asoc.strmout[i].next_spoke.tqe_next = NULL;
+							stcb->asoc.strmout[i].next_spoke.tqe_prev = NULL;
+							removed = 0;
+						}
+						/*
+						 * now anything on those
+						 * queues?
+						 */
+						while (TAILQ_EMPTY(&oldstream[i].outqueue) == 0) {
+							sp = TAILQ_FIRST(&oldstream[i].outqueue);
+							TAILQ_REMOVE(&oldstream[i].outqueue, sp, next);
+							TAILQ_INSERT_TAIL(&stcb->asoc.strmout[i].outqueue, sp, next);
+						}
+						/* Did we disrupt the wheel? */
+						if (removed) {
+							sctp_insert_on_wheel(stcb,
+							    &stcb->asoc,
+							    &stcb->asoc.strmout[i],
+							    1);
+						}
+						/*
+						 * Now move assoc pointers
+						 * too
+						 */
+						if (stcb->asoc.last_out_stream == &oldstream[i]) {
+							stcb->asoc.last_out_stream = &stcb->asoc.strmout[i];
+						}
+						if (stcb->asoc.locked_on_sending == &oldstream[i]) {
+							stcb->asoc.locked_on_sending = &stcb->asoc.strmout[i];
+						}
+					}
+					/* now the new streams */
+					for (i = stcb->asoc.streamoutcnt; i < (stcb->asoc.streamoutcnt + addstrmcnt); i++) {
+						stcb->asoc.strmout[i].next_sequence_sent = 0x0;
+						TAILQ_INIT(&stcb->asoc.strmout[i].outqueue);
+						stcb->asoc.strmout[i].stream_no = i;
+						stcb->asoc.strmout[i].last_msg_incomplete = 0;
+						stcb->asoc.strmout[i].next_spoke.tqe_next = NULL;
+						stcb->asoc.strmout[i].next_spoke.tqe_prev = NULL;
+					}
+					stcb->asoc.strm_realoutsize = stcb->asoc.streamoutcnt + addstrmcnt;
+					SCTP_FREE(oldstream, SCTP_M_STRMO);
+				}
+				SCTP_TCB_SEND_UNLOCK(stcb);
+				goto skip_stuff;
+			} else {
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+				error = EINVAL;
+				SCTP_TCB_UNLOCK(stcb);
+				break;
+			}
+			for (i = 0; i < strrst->strrst_num_streams; i++) {
+				if ((send_in) &&
+
+				    (strrst->strrst_list[i] > stcb->asoc.streamincnt)) {
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+					error = EINVAL;
+					goto get_out;
+				}
+				if ((send_out) &&
+				    (strrst->strrst_list[i] > stcb->asoc.streamoutcnt)) {
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+					error = EINVAL;
+					goto get_out;
+				}
+			}
+	skip_stuff:
+			if (error) {
+		get_out:
+				SCTP_TCB_UNLOCK(stcb);
+				break;
+			}
+			error = sctp_send_str_reset_req(stcb, strrst->strrst_num_streams,
+			    strrst->strrst_list,
+			    send_out, (stcb->asoc.str_reset_seq_in - 3),
+			    send_in, send_tsn, addstream, addstrmcnt);
+
+			sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
+			SCTP_TCB_UNLOCK(stcb);
+		}
+		break;
+
+	case SCTP_CONNECT_X:
+		if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) {
+			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+			error = EINVAL;
+			break;
+		}
+		error = sctp_do_connect_x(so, inp, optval, optsize, p, 0);
+		break;
+
+	case SCTP_CONNECT_X_DELAYED:
+		if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) {
+			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+			error = EINVAL;
+			break;
+		}
+		error = sctp_do_connect_x(so, inp, optval, optsize, p, 1);
+		break;
+
+	case SCTP_CONNECT_X_COMPLETE:
+		{
+			struct sockaddr *sa;
+			struct sctp_nets *net;
+
+			/* FIXME MT: check correct? */
+			SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize);
+
+			/* find tcb */
+			if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
+				SCTP_INP_RLOCK(inp);
+				stcb = LIST_FIRST(&inp->sctp_asoc_list);
+				if (stcb) {
+					SCTP_TCB_LOCK(stcb);
+					net = sctp_findnet(stcb, sa);
+				}
+				SCTP_INP_RUNLOCK(inp);
+			} else {
+				/*
+				 * We increment here since
+				 * sctp_findassociation_ep_addr() wil do a
+				 * decrement if it finds the stcb as long as
+				 * the locked tcb (last argument) is NOT a
+				 * TCB.. aka NULL.
+				 */
+				SCTP_INP_INCR_REF(inp);
+				stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL);
+				if (stcb == NULL) {
+					SCTP_INP_DECR_REF(inp);
+				}
+			}
+
+			if (stcb == NULL) {
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
+				error = ENOENT;
+				break;
+			}
+			if (stcb->asoc.delayed_connection == 1) {
+				stcb->asoc.delayed_connection = 0;
+				(void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
+				sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb,
+				    stcb->asoc.primary_destination,
+				    SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9);
+				sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
+			} else {
+				/*
+				 * already expired or did not use delayed
+				 * connectx
+				 */
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
+				error = EALREADY;
+			}
+			SCTP_TCB_UNLOCK(stcb);
+		}
+		break;
+	case SCTP_MAX_BURST:
+		{
+			uint8_t *burst;
+
+			SCTP_CHECK_AND_CAST(burst, optval, uint8_t, optsize);
+
+			SCTP_INP_WLOCK(inp);
+			if (*burst) {
+				inp->sctp_ep.max_burst = *burst;
+			}
+			SCTP_INP_WUNLOCK(inp);
+		}
+		break;
+	case SCTP_MAXSEG:
+		{
+			struct sctp_assoc_value *av;
+			int ovh;
+
+			SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
+			SCTP_FIND_STCB(inp, stcb, av->assoc_id);
+
+			if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
+				ovh = SCTP_MED_OVERHEAD;
+			} else {
+				ovh = SCTP_MED_V4_OVERHEAD;
+			}
+			if (stcb) {
+				if (av->assoc_value) {
+					stcb->asoc.sctp_frag_point = (av->assoc_value + ovh);
+				} else {
+					stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT;
+				}
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				SCTP_INP_WLOCK(inp);
+				/*
+				 * FIXME MT: I think this is not in tune
+				 * with the API ID
+				 */
+				if (av->assoc_value) {
+					inp->sctp_frag_point = (av->assoc_value + ovh);
+				} else {
+					inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT;
+				}
+				SCTP_INP_WUNLOCK(inp);
+			}
+		}
+		break;
+	case SCTP_EVENTS:
+		{
+			struct sctp_event_subscribe *events;
+
+			SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize);
+
+			SCTP_INP_WLOCK(inp);
+			if (events->sctp_data_io_event) {
+				sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT);
+			} else {
+				sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT);
+			}
+
+			if (events->sctp_association_event) {
+				sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT);
+			} else {
+				sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT);
+			}
+
+			if (events->sctp_address_event) {
+				sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT);
+			} else {
+				sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT);
+			}
+
+			if (events->sctp_send_failure_event) {
+				sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
+			} else {
+				sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
+			}
+
+			if (events->sctp_peer_error_event) {
+				sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR);
+			} else {
+				sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR);
+			}
+
+			if (events->sctp_shutdown_event) {
+				sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
+			} else {
+				sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
+			}
+
+			if (events->sctp_partial_delivery_event) {
+				sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT);
+			} else {
+				sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT);
+			}
+
+			if (events->sctp_adaptation_layer_event) {
+				sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
+			} else {
+				sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
+			}
+
+			if (events->sctp_authentication_event) {
+				sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT);
+			} else {
+				sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT);
+			}
+
+			if (events->sctp_sender_dry_event) {
+				sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT);
+				if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
+				    (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
+					stcb = LIST_FIRST(&inp->sctp_asoc_list);
+					if (stcb) {
+						SCTP_TCB_LOCK(stcb);
+					}
+					if (stcb &&
+					    TAILQ_EMPTY(&stcb->asoc.send_queue) &&
+					    TAILQ_EMPTY(&stcb->asoc.sent_queue) &&
+					    (stcb->asoc.stream_queue_cnt == 0)) {
+						sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED);
+					}
+					if (stcb) {
+						SCTP_TCB_UNLOCK(stcb);
+					}
+				}
+			} else {
+				sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT);
+			}
+
+			if (events->sctp_stream_reset_event) {
+				sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
+			} else {
+				sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
+			}
+			SCTP_INP_WUNLOCK(inp);
+		}
+		break;
+
+	case SCTP_ADAPTATION_LAYER:
+		{
+			struct sctp_setadaptation *adap_bits;
+
+			SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize);
+			SCTP_INP_WLOCK(inp);
+			inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind;
+			SCTP_INP_WUNLOCK(inp);
+		}
+		break;
+#ifdef SCTP_DEBUG
+	case SCTP_SET_INITIAL_DBG_SEQ:
+		{
+			uint32_t *vvv;
+
+			SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize);
+			SCTP_INP_WLOCK(inp);
+			inp->sctp_ep.initial_sequence_debug = *vvv;
+			SCTP_INP_WUNLOCK(inp);
+		}
+		break;
+#endif
+	case SCTP_DEFAULT_SEND_PARAM:
+		{
+			struct sctp_sndrcvinfo *s_info;
+
+			SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize);
+			SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id);
+
+			if (stcb) {
+				if (s_info->sinfo_stream <= stcb->asoc.streamoutcnt) {
+					memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send)));
+				} else {
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+					error = EINVAL;
+				}
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				SCTP_INP_WLOCK(inp);
+				memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send)));
+				SCTP_INP_WUNLOCK(inp);
+			}
+		}
+		break;
+	case SCTP_PEER_ADDR_PARAMS:
+		/* Applys to the specific association */
+		{
+			struct sctp_paddrparams *paddrp;
+			struct sctp_nets *net;
+
+			SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize);
+			SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id);
+			net = NULL;
+			if (stcb) {
+				net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address);
+			} else {
+				/*
+				 * We increment here since
+				 * sctp_findassociation_ep_addr() wil do a
+				 * decrement if it finds the stcb as long as
+				 * the locked tcb (last argument) is NOT a
+				 * TCB.. aka NULL.
+				 */
+				SCTP_INP_INCR_REF(inp);
+				stcb = sctp_findassociation_ep_addr(&inp,
+				    (struct sockaddr *)&paddrp->spp_address,
+				    &net, NULL, NULL);
+				if (stcb == NULL) {
+					SCTP_INP_DECR_REF(inp);
+				}
+			}
+			if (stcb && (net == NULL)) {
+				struct sockaddr *sa;
+
+				sa = (struct sockaddr *)&paddrp->spp_address;
+				if (sa->sa_family == AF_INET) {
+					struct sockaddr_in *sin;
+
+					sin = (struct sockaddr_in *)sa;
+					if (sin->sin_addr.s_addr) {
+						SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+						SCTP_TCB_UNLOCK(stcb);
+						error = EINVAL;
+						break;
+					}
+				} else if (sa->sa_family == AF_INET6) {
+					struct sockaddr_in6 *sin6;
+
+					sin6 = (struct sockaddr_in6 *)sa;
+					if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
+						SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+						SCTP_TCB_UNLOCK(stcb);
+						error = EINVAL;
+						break;
+					}
+				} else {
+					error = EAFNOSUPPORT;
+					SCTP_TCB_UNLOCK(stcb);
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
+					break;
+				}
+			}
+			/* sanity checks */
+			if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) {
+				if (stcb)
+					SCTP_TCB_UNLOCK(stcb);
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+				return (EINVAL);
+			}
+			if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) {
+				if (stcb)
+					SCTP_TCB_UNLOCK(stcb);
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+				return (EINVAL);
+			}
+			if (stcb) {
+				/************************TCB SPECIFIC SET ******************/
+				/*
+				 * do we change the timer for HB, we run
+				 * only one?
+				 */
+				int ovh = 0;
+
+				if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
+					ovh = SCTP_MED_OVERHEAD;
+				} else {
+					ovh = SCTP_MED_V4_OVERHEAD;
+				}
+
+				if (paddrp->spp_hbinterval)
+					stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval;
+				else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO)
+					stcb->asoc.heart_beat_delay = 0;
+
+				/* network sets ? */
+				if (net) {
+					/************************NET SPECIFIC SET ******************/
+					if (paddrp->spp_flags & SPP_HB_DEMAND) {
+						/* on demand HB */
+						if (sctp_send_hb(stcb, 1, net) < 0) {
+							/* asoc destroyed */
+							SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+							error = EINVAL;
+							break;
+						}
+					}
+					if (paddrp->spp_flags & SPP_HB_DISABLE) {
+						net->dest_state |= SCTP_ADDR_NOHB;
+					}
+					if (paddrp->spp_flags & SPP_HB_ENABLE) {
+						net->dest_state &= ~SCTP_ADDR_NOHB;
+					}
+					if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) {
+						if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
+							sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
+							    SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10);
+						}
+						if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) {
+							net->mtu = paddrp->spp_pathmtu + ovh;
+							if (net->mtu < stcb->asoc.smallest_mtu) {
+								sctp_pathmtu_adjustment(inp, stcb, net, net->mtu);
+							}
+						}
+					}
+					if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
+						if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
+							sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
+						}
+					}
+					if (paddrp->spp_pathmaxrxt)
+						net->failure_threshold = paddrp->spp_pathmaxrxt;
+#ifdef INET
+					if (paddrp->spp_flags & SPP_IPV4_TOS) {
+						if (net->ro._l_addr.sin.sin_family == AF_INET) {
+							net->tos_flowlabel = paddrp->spp_ipv4_tos & 0x000000fc;
+						}
+					}
+#endif
+#ifdef INET6
+					if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
+						if (net->ro._l_addr.sin6.sin6_family == AF_INET6) {
+							net->tos_flowlabel = paddrp->spp_ipv6_flowlabel;
+						}
+					}
+#endif
+				} else {
+					/************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/
+					if (paddrp->spp_pathmaxrxt)
+						stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt;
+
+					if (paddrp->spp_flags & SPP_HB_ENABLE) {
+						/* Turn back on the timer */
+						stcb->asoc.hb_is_disabled = 0;
+						sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
+					}
+					if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) {
+						TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
+							if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
+								sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
+								    SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10);
+							}
+							if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) {
+								net->mtu = paddrp->spp_pathmtu + ovh;
+								if (net->mtu < stcb->asoc.smallest_mtu) {
+									sctp_pathmtu_adjustment(inp, stcb, net, net->mtu);
+								}
+							}
+						}
+					}
+					if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
+						TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
+							if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
+								sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
+							}
+						}
+					}
+					if (paddrp->spp_flags & SPP_HB_DISABLE) {
+						int cnt_of_unconf = 0;
+						struct sctp_nets *lnet;
+
+						stcb->asoc.hb_is_disabled = 1;
+						TAILQ_FOREACH(lnet, &stcb->asoc.nets, sctp_next) {
+							if (lnet->dest_state & SCTP_ADDR_UNCONFIRMED) {
+								cnt_of_unconf++;
+							}
+						}
+						/*
+						 * stop the timer ONLY if we
+						 * have no unconfirmed
+						 * addresses
+						 */
+						if (cnt_of_unconf == 0) {
+							TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
+								sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
+								    SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11);
+							}
+						}
+					}
+					if (paddrp->spp_flags & SPP_HB_ENABLE) {
+						/* start up the timer. */
+						TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
+							sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
+						}
+					}
+#ifdef INET
+					if (paddrp->spp_flags & SPP_IPV4_TOS)
+						stcb->asoc.default_tos = paddrp->spp_ipv4_tos & 0x000000fc;
+#endif
+#ifdef INET6
+					if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL)
+						stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel;
+#endif
+
+				}
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				/************************NO TCB, SET TO default stuff ******************/
+				SCTP_INP_WLOCK(inp);
+				/*
+				 * For the TOS/FLOWLABEL stuff you set it
+				 * with the options on the socket
+				 */
+				if (paddrp->spp_pathmaxrxt) {
+					inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt;
+				}
+				if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO)
+					inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0;
+				else if (paddrp->spp_hbinterval) {
+					if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL)
+						paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL;
+					inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval);
+				}
+				if (paddrp->spp_flags & SPP_HB_ENABLE) {
+					sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
+
+				} else if (paddrp->spp_flags & SPP_HB_DISABLE) {
+					sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
+				}
+				SCTP_INP_WUNLOCK(inp);
+			}
+		}
+		break;
+	case SCTP_RTOINFO:
+		{
+			struct sctp_rtoinfo *srto;
+			uint32_t new_init, new_min, new_max;
+
+			SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize);
+			SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id);
+
+			if (stcb) {
+				if (srto->srto_initial)
+					new_init = srto->srto_initial;
+				else
+					new_init = stcb->asoc.initial_rto;
+				if (srto->srto_max)
+					new_max = srto->srto_max;
+				else
+					new_max = stcb->asoc.maxrto;
+				if (srto->srto_min)
+					new_min = srto->srto_min;
+				else
+					new_min = stcb->asoc.minrto;
+				if ((new_min <= new_init) && (new_init <= new_max)) {
+					stcb->asoc.initial_rto = new_init;
+					stcb->asoc.maxrto = new_max;
+					stcb->asoc.minrto = new_min;
+				} else {
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+					error = EINVAL;
+				}
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				SCTP_INP_WLOCK(inp);
+				if (srto->srto_initial)
+					new_init = srto->srto_initial;
+				else
+					new_init = inp->sctp_ep.initial_rto;
+				if (srto->srto_max)
+					new_max = srto->srto_max;
+				else
+					new_max = inp->sctp_ep.sctp_maxrto;
+				if (srto->srto_min)
+					new_min = srto->srto_min;
+				else
+					new_min = inp->sctp_ep.sctp_minrto;
+				if ((new_min <= new_init) && (new_init <= new_max)) {
+					inp->sctp_ep.initial_rto = new_init;
+					inp->sctp_ep.sctp_maxrto = new_max;
+					inp->sctp_ep.sctp_minrto = new_min;
+				} else {
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+					error = EINVAL;
+				}
+				SCTP_INP_WUNLOCK(inp);
+			}
+		}
+		break;
+	case SCTP_ASSOCINFO:
+		{
+			struct sctp_assocparams *sasoc;
+
+			SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize);
+			SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id);
+			if (sasoc->sasoc_cookie_life) {
+				/* boundary check the cookie life */
+				if (sasoc->sasoc_cookie_life < 1000)
+					sasoc->sasoc_cookie_life = 1000;
+				if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) {
+					sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE;
+				}
+			}
+			if (stcb) {
+				if (sasoc->sasoc_asocmaxrxt)
+					stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt;
+				sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets;
+				sasoc->sasoc_peer_rwnd = 0;
+				sasoc->sasoc_local_rwnd = 0;
+				if (sasoc->sasoc_cookie_life) {
+					stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life);
+				}
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				SCTP_INP_WLOCK(inp);
+				if (sasoc->sasoc_asocmaxrxt)
+					inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt;
+				sasoc->sasoc_number_peer_destinations = 0;
+				sasoc->sasoc_peer_rwnd = 0;
+				sasoc->sasoc_local_rwnd = 0;
+				if (sasoc->sasoc_cookie_life) {
+					inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life);
+				}
+				SCTP_INP_WUNLOCK(inp);
+			}
+		}
+		break;
+	case SCTP_INITMSG:
+		{
+			struct sctp_initmsg *sinit;
+
+			SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize);
+			SCTP_INP_WLOCK(inp);
+			if (sinit->sinit_num_ostreams)
+				inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams;
+
+			if (sinit->sinit_max_instreams)
+				inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams;
+
+			if (sinit->sinit_max_attempts)
+				inp->sctp_ep.max_init_times = sinit->sinit_max_attempts;
+
+			if (sinit->sinit_max_init_timeo)
+				inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo;
+			SCTP_INP_WUNLOCK(inp);
+		}
+		break;
+	case SCTP_PRIMARY_ADDR:
+		{
+			struct sctp_setprim *spa;
+			struct sctp_nets *net, *lnet;
+
+			SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize);
+			SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id);
+
+			net = NULL;
+			if (stcb) {
+				net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr);
+			} else {
+				/*
+				 * We increment here since
+				 * sctp_findassociation_ep_addr() wil do a
+				 * decrement if it finds the stcb as long as
+				 * the locked tcb (last argument) is NOT a
+				 * TCB.. aka NULL.
+				 */
+				SCTP_INP_INCR_REF(inp);
+				stcb = sctp_findassociation_ep_addr(&inp,
+				    (struct sockaddr *)&spa->ssp_addr,
+				    &net, NULL, NULL);
+				if (stcb == NULL) {
+					SCTP_INP_DECR_REF(inp);
+				}
+			}
+
+			if ((stcb) && (net)) {
+				if ((net != stcb->asoc.primary_destination) &&
+				    (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) {
+					/* Ok we need to set it */
+					lnet = stcb->asoc.primary_destination;
+					if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) {
+						if (net->dest_state & SCTP_ADDR_SWITCH_PRIMARY) {
+							net->dest_state |= SCTP_ADDR_DOUBLE_SWITCH;
+						}
+						net->dest_state |= SCTP_ADDR_SWITCH_PRIMARY;
+					}
+				}
+			} else {
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+				error = EINVAL;
+			}
+			if (stcb) {
+				SCTP_TCB_UNLOCK(stcb);
+			}
+		}
+		break;
+	case SCTP_SET_DYNAMIC_PRIMARY:
+		{
+			union sctp_sockstore *ss;
+
+			error = priv_check(curthread,
+			    PRIV_NETINET_RESERVEDPORT);
+			if (error)
+				break;
+
+			SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize);
+			/* SUPER USER CHECK? */
+			error = sctp_dynamic_set_primary(&ss->sa, vrf_id);
+		}
+		break;
+	case SCTP_SET_PEER_PRIMARY_ADDR:
+		{
+			struct sctp_setpeerprim *sspp;
+
+			SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize);
+			SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id);
+			if (stcb != NULL) {
+				struct sctp_ifa *ifa;
+
+				ifa = sctp_find_ifa_by_addr((struct sockaddr *)&sspp->sspp_addr,
+				    stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED);
+				if (ifa == NULL) {
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+					error = EINVAL;
+					goto out_of_it;
+				}
+				if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {
+					/*
+					 * Must validate the ifa found is in
+					 * our ep
+					 */
+					struct sctp_laddr *laddr;
+					int found = 0;
+
+					LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
+						if (laddr->ifa == NULL) {
+							SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n",
+							    __FUNCTION__);
+							continue;
+						}
+						if (laddr->ifa == ifa) {
+							found = 1;
+							break;
+						}
+					}
+					if (!found) {
+						SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+						error = EINVAL;
+						goto out_of_it;
+					}
+				}
+				if (sctp_set_primary_ip_address_sa(stcb,
+				    (struct sockaddr *)&sspp->sspp_addr) != 0) {
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+					error = EINVAL;
+				}
+		out_of_it:
+				SCTP_TCB_UNLOCK(stcb);
+			} else {
+				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+				error = EINVAL;
+			}
+
+		}
+		break;
+	case SCTP_BINDX_ADD_ADDR:
+		{
+			struct sctp_getaddresses *addrs;
+			size_t sz;
+			struct thread *td;
+
+			td = (struct thread *)p;
+			SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses,
+			    optsize);
+			if (addrs->addr->sa_family == AF_INET) {
+				sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in);
+				if (optsize < sz) {
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+					error = EINVAL;
+					break;
+				}
+				if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) {
+					SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
+					break;
+				}
+#ifdef INET6
+			} else if (addrs->addr->sa_family == AF_INET6) {
+				sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6);
+				if (optsize < sz) {
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+					error = EINVAL;
+					break;
+				}
+				if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr),
+				    (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) {
+					SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
+					break;
+				}
+#endif
+			} else {
+				error = EAFNOSUPPORT;
+				break;
+			}
+			sctp_bindx_add_address(so, inp, addrs->addr,
+			    addrs->sget_assoc_id, vrf_id,
+			    &error, p);
+		}
+		break;
+	case SCTP_BINDX_REM_ADDR:
+		{
+			struct sctp_getaddresses *addrs;
+			size_t sz;
+			struct thread *td;
+
+			td = (struct thread *)p;
+
+			SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize);
+			if (addrs->addr->sa_family == AF_INET) {
+				sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in);
+				if (optsize < sz) {
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+					error = EINVAL;
+					break;
+				}
+				if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) {
+					SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
+					break;
+				}
+#ifdef INET6
+			} else if (addrs->addr->sa_family == AF_INET6) {
+				sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6);
+				if (optsize < sz) {
+					SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+					error = EINVAL;
+					break;
+				}
+				if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr),
+				    (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) {
+					SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
+					break;
+				}
+#endif
+			} else {
+				error = EAFNOSUPPORT;
+				break;
+			}
+			sctp_bindx_delete_address(so, inp, addrs->addr,
+			    addrs->sget_assoc_id, vrf_id,
+			    &error);
+		}
+		break;
+	default:
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
+		error = ENOPROTOOPT;
+		break;
+	}			/* end switch (opt) */
+	return (error);
+}
+
+int
+sctp_ctloutput(struct socket *so, struct sockopt *sopt)
+{
+	void *optval = NULL;
+	size_t optsize = 0;
+	struct sctp_inpcb *inp;
+	void *p;
+	int error = 0;
+
+	inp = (struct sctp_inpcb *)so->so_pcb;
+	if (inp == 0) {
+		/* I made the same as TCP since we are not setup? */
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+		return (ECONNRESET);
+	}
+	if (sopt->sopt_level != IPPROTO_SCTP) {
+		/* wrong proto level... send back up to IP */
+#ifdef INET6
+		if (INP_CHECK_SOCKAF(so, AF_INET6))
+			error = ip6_ctloutput(so, sopt);
+		else
+#endif				/* INET6 */
+			error = ip_ctloutput(so, sopt);
+		return (error);
+	}
+	optsize = sopt->sopt_valsize;
+	if (optsize) {
+		SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT);
+		if (optval == NULL) {
+			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS);
+			return (ENOBUFS);
+		}
+		error = sooptcopyin(sopt, optval, optsize, optsize);
+		if (error) {
+			SCTP_FREE(optval, SCTP_M_SOCKOPT);
+			goto out;
+		}
+	}
+	p = (void *)sopt->sopt_td;
+	if (sopt->sopt_dir == SOPT_SET) {
+		error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p);
+	} else if (sopt->sopt_dir == SOPT_GET) {
+		error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p);
+	} else {
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+		error = EINVAL;
+	}
+	if ((error == 0) && (optval != NULL)) {
+		error = sooptcopyout(sopt, optval, optsize);
+		SCTP_FREE(optval, SCTP_M_SOCKOPT);
+	} else if (optval != NULL) {
+		SCTP_FREE(optval, SCTP_M_SOCKOPT);
+	}
+out:
+	return (error);
+}
+
+
+static int
+sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p)
+{
+	int error = 0;
+	int create_lock_on = 0;
+	uint32_t vrf_id;
+	struct sctp_inpcb *inp;
+	struct sctp_tcb *stcb = NULL;
+
+	inp = (struct sctp_inpcb *)so->so_pcb;
+	if (inp == 0) {
+		/* I made the same as TCP since we are not setup? */
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+		return (ECONNRESET);
+	}
+	if (addr == NULL) {
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+		return EINVAL;
+	}
+#ifdef INET6
+	if (addr->sa_family == AF_INET6) {
+		struct sockaddr_in6 *sin6p;
+
+		if (addr->sa_len != sizeof(struct sockaddr_in6)) {
+			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+			return (EINVAL);
+		}
+		sin6p = (struct sockaddr_in6 *)addr;
+		if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) {
+			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
+			return (error);
+		}
+	} else
+#endif
+	if (addr->sa_family == AF_INET) {
+		struct sockaddr_in *sinp;
+
+		if (addr->sa_len != sizeof(struct sockaddr_in)) {
+			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+			return (EINVAL);
+		}
+		sinp = (struct sockaddr_in *)addr;
+		if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) {
+			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
+			return (error);
+		}
+	} else {
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT);
+		return (EAFNOSUPPORT);
+	}
+	SCTP_INP_INCR_REF(inp);
+	SCTP_ASOC_CREATE_LOCK(inp);
+	create_lock_on = 1;
+
+
+	if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
+	    (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
+		/* Should I really unlock ? */
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT);
+		error = EFAULT;
+		goto out_now;
+	}
+#ifdef INET6
+	if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
+	    (addr->sa_family == AF_INET6)) {
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+		error = EINVAL;
+		goto out_now;
+	}
+#endif				/* INET6 */
+	if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) ==
+	    SCTP_PCB_FLAGS_UNBOUND) {
+		/* Bind a ephemeral port */
+		error = sctp_inpcb_bind(so, NULL, NULL, p);
+		if (error) {
+			goto out_now;
+		}
+	}
+	/* Now do we connect? */
+	if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) &&
+	    (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) {
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+		error = EINVAL;
+		goto out_now;
+	}
+	if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
+	    (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
+		/* We are already connected AND the TCP model */
+		SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
+		error = EADDRINUSE;
+		goto out_now;
+	}
+	if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
+		SCTP_INP_RLOCK(inp);
+		stcb = LIST_FIRST(&inp->sctp_asoc_list);
+		SCTP_INP_RUNLOCK(inp);
+	} else {
+		/*
+		 * We increment here since sctp_findassociation_ep_addr()
+		 * will do a decrement if it finds the stcb as long as the
+		 * locked tcb (last argument) is NOT a TCB.. aka NULL.
+		 */
+		SCTP_INP_INCR_REF(inp);
+		stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL);
+		if (stcb == NULL) {
+			SCTP_INP_DECR_REF(inp);
+		} else {
+			SCTP_TCB_UNLOCK(stcb);
+		}
+	}
+	if (stcb != NULL) {
+		/* Already have or am bring up an association */
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
+		error = EALREADY;
+		goto out_now;
+	}
+	vrf_id = inp->def_vrf_id;
+	/* We are GOOD to go */
+	stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p);
+	if (stcb == NULL) {
+		/* Gak! no memory */
+		goto out_now;
+	}
+	if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
+		stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
+		/* Set the connected flag so we can queue data */
+		SOCKBUF_LOCK(&so->so_rcv);
+		so->so_rcv.sb_state &= ~SBS_CANTRCVMORE;
+		SOCKBUF_UNLOCK(&so->so_rcv);
+		SOCKBUF_LOCK(&so->so_snd);
+		so->so_snd.sb_state &= ~SBS_CANTSENDMORE;
+		SOCKBUF_UNLOCK(&so->so_snd);
+		SOCK_LOCK(so);
+		so->so_state &= ~SS_ISDISCONNECTING;
+		SOCK_UNLOCK(so);
+		soisconnecting(so);
+	}
+	SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT);
+	(void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
+
+	/* initialize authentication parameters for the assoc */
+	sctp_initialize_auth_params(inp, stcb);
+
+	sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
+	SCTP_TCB_UNLOCK(stcb);
+out_now:
+	if (create_lock_on) {
+		SCTP_ASOC_CREATE_UNLOCK(inp);
+	}
+	SCTP_INP_DECR_REF(inp);
+	return error;
+}
+
+int
+sctp_listen(struct socket *so, int backlog, struct thread *p)
+{
+	/*
+	 * Note this module depends on the protocol processing being called
+	 * AFTER any socket level flags and backlog are applied to the
+	 * socket. The traditional way that the socket flags are applied is
+	 * AFTER protocol processing. We have made a change to the
+	 * sys/kern/uipc_socket.c module to reverse this but this MUST be in
+	 * place if the socket API for SCTP is to work properly.
+	 */
+
+	int error = 0;
+	struct sctp_inpcb *inp;
+
+	inp = (struct sctp_inpcb *)so->so_pcb;
+	if (inp == 0) {
+		/* I made the same as TCP since we are not setup? */
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+		return (ECONNRESET);
+	}
+	if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) {
+		/* See if we have a listener */
+		struct sctp_inpcb *tinp;
+		union sctp_sockstore store, *sp;
+
+		sp = &store;
+		if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {
+			/* not bound all */
+			struct sctp_laddr *laddr;
+
+			LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
+				memcpy(&store, &laddr->ifa->address, sizeof(store));
+				sp->sin.sin_port = inp->sctp_lport;
+				tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id);
+				if (tinp && (tinp != inp) &&
+				    ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) &&
+				    ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
+				    (tinp->sctp_socket->so_qlimit)) {
+					/*
+					 * we have a listener already and
+					 * its not this inp.
+					 */
+					SCTP_INP_DECR_REF(tinp);
+					return (EADDRINUSE);
+				} else if (tinp) {
+					SCTP_INP_DECR_REF(tinp);
+				}
+			}
+		} else {
+			/* Setup a local addr bound all */
+			memset(&store, 0, sizeof(store));
+			store.sin.sin_port = inp->sctp_lport;
+#ifdef INET6
+			if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
+				store.sa.sa_family = AF_INET6;
+				store.sa.sa_len = sizeof(struct sockaddr_in6);
+			}
+#endif
+			if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) {
+				store.sa.sa_family = AF_INET;
+				store.sa.sa_len = sizeof(struct sockaddr_in);
+			}
+			tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id);
+			if (tinp && (tinp != inp) &&
+			    ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) &&
+			    ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
+			    (tinp->sctp_socket->so_qlimit)) {
+				/*
+				 * we have a listener already and its not
+				 * this inp.
+				 */
+				SCTP_INP_DECR_REF(tinp);
+				return (EADDRINUSE);
+			} else if (tinp) {
+				SCTP_INP_DECR_REF(inp);
+			}
+		}
+	}
+	SCTP_INP_RLOCK(inp);
+#ifdef SCTP_LOCK_LOGGING
+	if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) {
+		sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK);
+	}
+#endif
+	SOCK_LOCK(so);
+	error = solisten_proto_check(so);
+	if (error) {
+		SOCK_UNLOCK(so);
+		SCTP_INP_RUNLOCK(inp);
+		return (error);
+	}
+	if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) &&
+	    (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
+		/*
+		 * The unlucky case - We are in the tcp pool with this guy.
+		 * - Someone else is in the main inp slot. - We must move
+		 * this guy (the listener) to the main slot - We must then
+		 * move the guy that was listener to the TCP Pool.
+		 */
+		if (sctp_swap_inpcb_for_listen(inp)) {
+			goto in_use;
+		}
+	}
+	if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
+	    (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
+		/* We are already connected AND the TCP model */
+in_use:
+		SCTP_INP_RUNLOCK(inp);
+		SOCK_UNLOCK(so);
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
+		return (EADDRINUSE);
+	}
+	SCTP_INP_RUNLOCK(inp);
+	if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) {
+		/* We must do a bind. */
+		SOCK_UNLOCK(so);
+		if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) {
+			/* bind error, probably perm */
+			return (error);
+		}
+		SOCK_LOCK(so);
+	}
+	/* It appears for 7.0 and on, we must always call this. */
+	solisten_proto(so, backlog);
+	if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
+		/* remove the ACCEPTCONN flag for one-to-many sockets */
+		so->so_options &= ~SO_ACCEPTCONN;
+	}
+	if (backlog == 0) {
+		/* turning off listen */
+		so->so_options &= ~SO_ACCEPTCONN;
+	}
+	SOCK_UNLOCK(so);
+	return (error);
+}
+
+static int sctp_defered_wakeup_cnt = 0;
+
+int
+sctp_accept(struct socket *so, struct sockaddr **addr)
+{
+	struct sctp_tcb *stcb;
+	struct sctp_inpcb *inp;
+	union sctp_sockstore store;
+
+#ifdef INET6
+	int error;
+
+#endif
+	inp = (struct sctp_inpcb *)so->so_pcb;
+
+	if (inp == 0) {
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+		return (ECONNRESET);
+	}
+	SCTP_INP_RLOCK(inp);
+	if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
+		SCTP_INP_RUNLOCK(inp);
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
+		return (EOPNOTSUPP);
+	}
+	if (so->so_state & SS_ISDISCONNECTED) {
+		SCTP_INP_RUNLOCK(inp);
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED);
+		return (ECONNABORTED);
+	}
+	stcb = LIST_FIRST(&inp->sctp_asoc_list);
+	if (stcb == NULL) {
+		SCTP_INP_RUNLOCK(inp);
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+		return (ECONNRESET);
+	}
+	SCTP_TCB_LOCK(stcb);
+	SCTP_INP_RUNLOCK(inp);
+	store = stcb->asoc.primary_destination->ro._l_addr;
+	stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE;
+	SCTP_TCB_UNLOCK(stcb);
+	switch (store.sa.sa_family) {
+	case AF_INET:
+		{
+			struct sockaddr_in *sin;
+
+			SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
+			if (sin == NULL)
+				return (ENOMEM);
+			sin->sin_family = AF_INET;
+			sin->sin_len = sizeof(*sin);
+			sin->sin_port = ((struct sockaddr_in *)&store)->sin_port;
+			sin->sin_addr = ((struct sockaddr_in *)&store)->sin_addr;
+			*addr = (struct sockaddr *)sin;
+			break;
+		}
+#ifdef INET6
+	case AF_INET6:
+		{
+			struct sockaddr_in6 *sin6;
+
+			SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6);
+			if (sin6 == NULL)
+				return (ENOMEM);
+			sin6->sin6_family = AF_INET6;
+			sin6->sin6_len = sizeof(*sin6);
+			sin6->sin6_port = ((struct sockaddr_in6 *)&store)->sin6_port;
+
+			sin6->sin6_addr = ((struct sockaddr_in6 *)&store)->sin6_addr;
+			if ((error = sa6_recoverscope(sin6)) != 0) {
+				SCTP_FREE_SONAME(sin6);
+				return (error);
+			}
+			*addr = (struct sockaddr *)sin6;
+			break;
+		}
+#endif
+	default:
+		/* TSNH */
+		break;
+	}
+	/* Wake any delayed sleep action */
+	if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) {
+		SCTP_INP_WLOCK(inp);
+		inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE;
+		if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) {
+			inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT;
+			SCTP_INP_WUNLOCK(inp);
+			SOCKBUF_LOCK(&inp->sctp_socket->so_snd);
+			if (sowriteable(inp->sctp_socket)) {
+				sowwakeup_locked(inp->sctp_socket);
+			} else {
+				SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd);
+			}
+			SCTP_INP_WLOCK(inp);
+		}
+		if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) {
+			inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT;
+			SCTP_INP_WUNLOCK(inp);
+			SOCKBUF_LOCK(&inp->sctp_socket->so_rcv);
+			if (soreadable(inp->sctp_socket)) {
+				sctp_defered_wakeup_cnt++;
+				sorwakeup_locked(inp->sctp_socket);
+			} else {
+				SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv);
+			}
+			SCTP_INP_WLOCK(inp);
+		}
+		SCTP_INP_WUNLOCK(inp);
+	}
+	if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {
+		SCTP_TCB_LOCK(stcb);
+		sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7);
+	}
+	return (0);
+}
+
+int
+sctp_ingetaddr(struct socket *so, struct sockaddr **addr)
+{
+	struct sockaddr_in *sin;
+	uint32_t vrf_id;
+	struct sctp_inpcb *inp;
+	struct sctp_ifa *sctp_ifa;
+
+	/*
+	 * Do the malloc first in case it blocks.
+	 */
+	SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
+	if (sin == NULL)
+		return (ENOMEM);
+	sin->sin_family = AF_INET;
+	sin->sin_len = sizeof(*sin);
+	inp = (struct sctp_inpcb *)so->so_pcb;
+	if (!inp) {
+		SCTP_FREE_SONAME(sin);
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+		return ECONNRESET;
+	}
+	SCTP_INP_RLOCK(inp);
+	sin->sin_port = inp->sctp_lport;
+	if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
+		if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
+			struct sctp_tcb *stcb;
+			struct sockaddr_in *sin_a;
+			struct sctp_nets *net;
+			int fnd;
+
+			stcb = LIST_FIRST(&inp->sctp_asoc_list);
+			if (stcb == NULL) {
+				goto notConn;
+			}
+			fnd = 0;
+			sin_a = NULL;
+			SCTP_TCB_LOCK(stcb);
+			TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
+				sin_a = (struct sockaddr_in *)&net->ro._l_addr;
+				if (sin_a == NULL)
+					/* this will make coverity happy */
+					continue;
+
+				if (sin_a->sin_family == AF_INET) {
+					fnd = 1;
+					break;
+				}
+			}
+			if ((!fnd) || (sin_a == NULL)) {
+				/* punt */
+				SCTP_TCB_UNLOCK(stcb);
+				goto notConn;
+			}
+			vrf_id = inp->def_vrf_id;
+			sctp_ifa = sctp_source_address_selection(inp,
+			    stcb,
+			    (sctp_route_t *) & net->ro,
+			    net, 0, vrf_id);
+			if (sctp_ifa) {
+				sin->sin_addr = sctp_ifa->address.sin.sin_addr;
+				sctp_free_ifa(sctp_ifa);
+			}
+			SCTP_TCB_UNLOCK(stcb);
+		} else {
+			/* For the bound all case you get back 0 */
+	notConn:
+			sin->sin_addr.s_addr = 0;
+		}
+
+	} else {
+		/* Take the first IPv4 address in the list */
+		struct sctp_laddr *laddr;
+		int fnd = 0;
+
+		LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
+			if (laddr->ifa->address.sa.sa_family == AF_INET) {
+				struct sockaddr_in *sin_a;
+
+				sin_a = (struct sockaddr_in *)&laddr->ifa->address.sa;
+				sin->sin_addr = sin_a->sin_addr;
+				fnd = 1;
+				break;
+			}
+		}
+		if (!fnd) {
+			SCTP_FREE_SONAME(sin);
+			SCTP_INP_RUNLOCK(inp);
+			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
+			return ENOENT;
+		}
+	}
+	SCTP_INP_RUNLOCK(inp);
+	(*addr) = (struct sockaddr *)sin;
+	return (0);
+}
+
+int
+sctp_peeraddr(struct socket *so, struct sockaddr **addr)
+{
+	struct sockaddr_in *sin = (struct sockaddr_in *)*addr;
+	int fnd;
+	struct sockaddr_in *sin_a;
+	struct sctp_inpcb *inp;
+	struct sctp_tcb *stcb;
+	struct sctp_nets *net;
+
+	/* Do the malloc first in case it blocks. */
+	inp = (struct sctp_inpcb *)so->so_pcb;
+	if ((inp == NULL) ||
+	    ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) {
+		/* UDP type and listeners will drop out here */
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
+		return (ENOTCONN);
+	}
+	SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
+	if (sin == NULL)
+		return (ENOMEM);
+	sin->sin_family = AF_INET;
+	sin->sin_len = sizeof(*sin);
+
+	/* We must recapture incase we blocked */
+	inp = (struct sctp_inpcb *)so->so_pcb;
+	if (!inp) {
+		SCTP_FREE_SONAME(sin);
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+		return ECONNRESET;
+	}
+	SCTP_INP_RLOCK(inp);
+	stcb = LIST_FIRST(&inp->sctp_asoc_list);
+	if (stcb) {
+		SCTP_TCB_LOCK(stcb);
+	}
+	SCTP_INP_RUNLOCK(inp);
+	if (stcb == NULL) {
+		SCTP_FREE_SONAME(sin);
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+		return ECONNRESET;
+	}
+	fnd = 0;
+	TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
+		sin_a = (struct sockaddr_in *)&net->ro._l_addr;
+		if (sin_a->sin_family == AF_INET) {
+			fnd = 1;
+			sin->sin_port = stcb->rport;
+			sin->sin_addr = sin_a->sin_addr;
+			break;
+		}
+	}
+	SCTP_TCB_UNLOCK(stcb);
+	if (!fnd) {
+		/* No IPv4 address */
+		SCTP_FREE_SONAME(sin);
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
+		return ENOENT;
+	}
+	(*addr) = (struct sockaddr *)sin;
+	return (0);
+}
+
+struct pr_usrreqs sctp_usrreqs = {
+	.pru_abort = sctp_abort,
+	.pru_accept = sctp_accept,
+	.pru_attach = sctp_attach,
+	.pru_bind = sctp_bind,
+	.pru_connect = sctp_connect,
+	.pru_control = in_control,
+	.pru_close = sctp_close,
+	.pru_detach = sctp_close,
+	.pru_sopoll = sopoll_generic,
+	.pru_flush = sctp_flush,
+	.pru_disconnect = sctp_disconnect,
+	.pru_listen = sctp_listen,
+	.pru_peeraddr = sctp_peeraddr,
+	.pru_send = sctp_sendm,
+	.pru_shutdown = sctp_shutdown,
+	.pru_sockaddr = sctp_ingetaddr,
+	.pru_sosend = sctp_sosend,
+	.pru_soreceive = sctp_soreceive
+};