1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate #include <sys/types.h> 30*0Sstevel@tonic-gate #include <sys/systm.h> 31*0Sstevel@tonic-gate #include <sys/stream.h> 32*0Sstevel@tonic-gate #include <sys/ddi.h> 33*0Sstevel@tonic-gate #include <sys/sunddi.h> 34*0Sstevel@tonic-gate #include <sys/strsubr.h> 35*0Sstevel@tonic-gate #include <sys/strsun.h> 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gate #include <netinet/in.h> 38*0Sstevel@tonic-gate #include <netinet/ip6.h> 39*0Sstevel@tonic-gate 40*0Sstevel@tonic-gate #include <inet/common.h> 41*0Sstevel@tonic-gate #include <inet/ip.h> 42*0Sstevel@tonic-gate #include <inet/ip6.h> 43*0Sstevel@tonic-gate #include <inet/mib2.h> 44*0Sstevel@tonic-gate #include <inet/nd.h> 45*0Sstevel@tonic-gate #include <inet/optcom.h> 46*0Sstevel@tonic-gate #include <inet/sctp_ip.h> 47*0Sstevel@tonic-gate #include "sctp_impl.h" 48*0Sstevel@tonic-gate 49*0Sstevel@tonic-gate void 50*0Sstevel@tonic-gate sctp_send_shutdown(sctp_t *sctp, int rexmit) 51*0Sstevel@tonic-gate { 52*0Sstevel@tonic-gate mblk_t *smp; 53*0Sstevel@tonic-gate mblk_t *sendmp; 54*0Sstevel@tonic-gate sctp_chunk_hdr_t *sch; 55*0Sstevel@tonic-gate uint32_t *ctsn; 56*0Sstevel@tonic-gate sctp_faddr_t *fp; 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate if (sctp->sctp_state != SCTPS_ESTABLISHED && 59*0Sstevel@tonic-gate sctp->sctp_state != SCTPS_SHUTDOWN_PENDING && 60*0Sstevel@tonic-gate sctp->sctp_state != SCTPS_SHUTDOWN_SENT) { 61*0Sstevel@tonic-gate return; 62*0Sstevel@tonic-gate } 63*0Sstevel@tonic-gate 64*0Sstevel@tonic-gate if (sctp->sctp_state == SCTPS_ESTABLISHED) { 65*0Sstevel@tonic-gate sctp->sctp_state = SCTPS_SHUTDOWN_PENDING; 66*0Sstevel@tonic-gate /* 67*0Sstevel@tonic-gate * We set an upper bound on how long we will 68*0Sstevel@tonic-gate * wait for a shutdown-ack from the peer. This 69*0Sstevel@tonic-gate * is to prevent the receiver from attempting 70*0Sstevel@tonic-gate * to create a half-closed state indefinately. 71*0Sstevel@tonic-gate * See archive from IETF TSVWG mailing list 72*0Sstevel@tonic-gate * for June 2001 for more information. 73*0Sstevel@tonic-gate * Since we will not be calculating RTTs after 74*0Sstevel@tonic-gate * sending the shutdown, we can overload out_time 75*0Sstevel@tonic-gate * to track how long we have waited. 76*0Sstevel@tonic-gate */ 77*0Sstevel@tonic-gate sctp->sctp_out_time = lbolt64; 78*0Sstevel@tonic-gate } 79*0Sstevel@tonic-gate 80*0Sstevel@tonic-gate /* 81*0Sstevel@tonic-gate * If there is unsent (or unacked) data, wait for it to get ack'd 82*0Sstevel@tonic-gate */ 83*0Sstevel@tonic-gate if (sctp->sctp_xmit_head != NULL || sctp->sctp_xmit_unsent != NULL) { 84*0Sstevel@tonic-gate return; 85*0Sstevel@tonic-gate } 86*0Sstevel@tonic-gate 87*0Sstevel@tonic-gate /* rotate faddrs if we are retransmitting */ 88*0Sstevel@tonic-gate if (!rexmit) { 89*0Sstevel@tonic-gate fp = sctp->sctp_current; 90*0Sstevel@tonic-gate } else { 91*0Sstevel@tonic-gate fp = sctp_rotate_faddr(sctp, sctp->sctp_shutdown_faddr); 92*0Sstevel@tonic-gate } 93*0Sstevel@tonic-gate 94*0Sstevel@tonic-gate sctp->sctp_shutdown_faddr = fp; 95*0Sstevel@tonic-gate 96*0Sstevel@tonic-gate /* Link in a SACK if resending the shutdown */ 97*0Sstevel@tonic-gate if (sctp->sctp_state > SCTPS_SHUTDOWN_PENDING && 98*0Sstevel@tonic-gate (sendmp = sctp_make_sack(sctp, fp, NULL)) != NULL) { 99*0Sstevel@tonic-gate 100*0Sstevel@tonic-gate smp = allocb(sizeof (*sch) + sizeof (*ctsn), BPRI_MED); 101*0Sstevel@tonic-gate if (smp == NULL) { 102*0Sstevel@tonic-gate freemsg(sendmp); 103*0Sstevel@tonic-gate goto done; 104*0Sstevel@tonic-gate } 105*0Sstevel@tonic-gate linkb(sendmp, smp); 106*0Sstevel@tonic-gate 107*0Sstevel@tonic-gate sch = (sctp_chunk_hdr_t *)smp->b_rptr; 108*0Sstevel@tonic-gate smp->b_wptr = smp->b_rptr + sizeof (*sch) + sizeof (*ctsn); 109*0Sstevel@tonic-gate } else { 110*0Sstevel@tonic-gate sendmp = sctp_make_mp(sctp, fp, 111*0Sstevel@tonic-gate sizeof (*sch) + sizeof (*ctsn)); 112*0Sstevel@tonic-gate if (sendmp == NULL) { 113*0Sstevel@tonic-gate goto done; 114*0Sstevel@tonic-gate } 115*0Sstevel@tonic-gate sch = (sctp_chunk_hdr_t *)sendmp->b_wptr; 116*0Sstevel@tonic-gate sendmp->b_wptr += sizeof (*sch) + sizeof (*ctsn); 117*0Sstevel@tonic-gate 118*0Sstevel@tonic-gate /* shutdown w/o sack, update lastacked */ 119*0Sstevel@tonic-gate sctp->sctp_lastacked = sctp->sctp_ftsn - 1; 120*0Sstevel@tonic-gate } 121*0Sstevel@tonic-gate 122*0Sstevel@tonic-gate sch->sch_id = CHUNK_SHUTDOWN; 123*0Sstevel@tonic-gate sch->sch_flags = 0; 124*0Sstevel@tonic-gate sch->sch_len = htons(sizeof (*sch) + sizeof (*ctsn)); 125*0Sstevel@tonic-gate 126*0Sstevel@tonic-gate ctsn = (uint32_t *)(sch + 1); 127*0Sstevel@tonic-gate *ctsn = htonl(sctp->sctp_lastacked); 128*0Sstevel@tonic-gate 129*0Sstevel@tonic-gate /* Link the shutdown chunk in after the IP/SCTP header */ 130*0Sstevel@tonic-gate 131*0Sstevel@tonic-gate sctp_set_iplen(sctp, sendmp); 132*0Sstevel@tonic-gate 133*0Sstevel@tonic-gate BUMP_LOCAL(sctp->sctp_obchunks); 134*0Sstevel@tonic-gate 135*0Sstevel@tonic-gate /* Send the shutdown and restart the timer */ 136*0Sstevel@tonic-gate sctp_add_sendq(sctp, sendmp); 137*0Sstevel@tonic-gate 138*0Sstevel@tonic-gate done: 139*0Sstevel@tonic-gate sctp->sctp_state = SCTPS_SHUTDOWN_SENT; 140*0Sstevel@tonic-gate SCTP_FADDR_TIMER_RESTART(sctp, sctp->sctp_current, 141*0Sstevel@tonic-gate sctp->sctp_current->rto); 142*0Sstevel@tonic-gate } 143*0Sstevel@tonic-gate 144*0Sstevel@tonic-gate int 145*0Sstevel@tonic-gate sctp_shutdown_received(sctp_t *sctp, sctp_chunk_hdr_t *sch, int crwsd, 146*0Sstevel@tonic-gate int rexmit) 147*0Sstevel@tonic-gate { 148*0Sstevel@tonic-gate mblk_t *samp; 149*0Sstevel@tonic-gate sctp_chunk_hdr_t *sach; 150*0Sstevel@tonic-gate uint32_t *tsn; 151*0Sstevel@tonic-gate int trysend = 0; 152*0Sstevel@tonic-gate sctp_faddr_t *fp; 153*0Sstevel@tonic-gate 154*0Sstevel@tonic-gate if (sctp->sctp_state != SCTPS_SHUTDOWN_ACK_SENT) 155*0Sstevel@tonic-gate sctp->sctp_state = SCTPS_SHUTDOWN_RECEIVED; 156*0Sstevel@tonic-gate 157*0Sstevel@tonic-gate /* Extract and process the TSN in the shutdown chunk */ 158*0Sstevel@tonic-gate if (sch != NULL) { 159*0Sstevel@tonic-gate tsn = (uint32_t *)(sch + 1); 160*0Sstevel@tonic-gate trysend = sctp_cumack(sctp, ntohl(*tsn), &samp); 161*0Sstevel@tonic-gate } 162*0Sstevel@tonic-gate 163*0Sstevel@tonic-gate /* Don't allow sending new data */ 164*0Sstevel@tonic-gate if (!SCTP_IS_DETACHED(sctp)) 165*0Sstevel@tonic-gate sctp->sctp_ulp_disconnecting(sctp->sctp_ulpd); 166*0Sstevel@tonic-gate 167*0Sstevel@tonic-gate /* 168*0Sstevel@tonic-gate * If there is unsent or unacked data, try sending them out now. 169*0Sstevel@tonic-gate * The other side should acknowledge them. After we have flushed 170*0Sstevel@tonic-gate * the transmit queue, we can complete the shutdown sequence. 171*0Sstevel@tonic-gate */ 172*0Sstevel@tonic-gate if (sctp->sctp_xmit_head != NULL || sctp->sctp_xmit_unsent != NULL) 173*0Sstevel@tonic-gate return (1); 174*0Sstevel@tonic-gate 175*0Sstevel@tonic-gate /* rotate faddrs if we are retransmitting */ 176*0Sstevel@tonic-gate if (!rexmit) 177*0Sstevel@tonic-gate fp = sctp->sctp_current; 178*0Sstevel@tonic-gate else 179*0Sstevel@tonic-gate fp = sctp_rotate_faddr(sctp, sctp->sctp_shutdown_faddr); 180*0Sstevel@tonic-gate 181*0Sstevel@tonic-gate samp = sctp_make_mp(sctp, fp, sizeof (*sach)); 182*0Sstevel@tonic-gate if (samp == NULL) 183*0Sstevel@tonic-gate goto dotimer; 184*0Sstevel@tonic-gate 185*0Sstevel@tonic-gate sach = (sctp_chunk_hdr_t *)samp->b_wptr; 186*0Sstevel@tonic-gate sach->sch_id = CHUNK_SHUTDOWN_ACK; 187*0Sstevel@tonic-gate sach->sch_flags = 0; 188*0Sstevel@tonic-gate sach->sch_len = htons(sizeof (*sach)); 189*0Sstevel@tonic-gate 190*0Sstevel@tonic-gate samp->b_wptr += sizeof (*sach); 191*0Sstevel@tonic-gate 192*0Sstevel@tonic-gate /* 193*0Sstevel@tonic-gate * bundle a "cookie received while shutting down" error if 194*0Sstevel@tonic-gate * the caller asks for it. 195*0Sstevel@tonic-gate */ 196*0Sstevel@tonic-gate if (crwsd) { 197*0Sstevel@tonic-gate mblk_t *errmp; 198*0Sstevel@tonic-gate 199*0Sstevel@tonic-gate errmp = sctp_make_err(sctp, SCTP_ERR_COOKIE_SHUT, NULL, 0); 200*0Sstevel@tonic-gate if (errmp != NULL) { 201*0Sstevel@tonic-gate linkb(samp, errmp); 202*0Sstevel@tonic-gate BUMP_LOCAL(sctp->sctp_obchunks); 203*0Sstevel@tonic-gate } 204*0Sstevel@tonic-gate } 205*0Sstevel@tonic-gate 206*0Sstevel@tonic-gate sctp_set_iplen(sctp, samp); 207*0Sstevel@tonic-gate 208*0Sstevel@tonic-gate BUMP_LOCAL(sctp->sctp_obchunks); 209*0Sstevel@tonic-gate 210*0Sstevel@tonic-gate sctp_add_sendq(sctp, samp); 211*0Sstevel@tonic-gate 212*0Sstevel@tonic-gate dotimer: 213*0Sstevel@tonic-gate sctp->sctp_state = SCTPS_SHUTDOWN_ACK_SENT; 214*0Sstevel@tonic-gate SCTP_FADDR_TIMER_RESTART(sctp, sctp->sctp_current, 215*0Sstevel@tonic-gate sctp->sctp_current->rto); 216*0Sstevel@tonic-gate 217*0Sstevel@tonic-gate return (trysend); 218*0Sstevel@tonic-gate } 219*0Sstevel@tonic-gate 220*0Sstevel@tonic-gate void 221*0Sstevel@tonic-gate sctp_shutdown_complete(sctp_t *sctp) 222*0Sstevel@tonic-gate { 223*0Sstevel@tonic-gate mblk_t *scmp; 224*0Sstevel@tonic-gate sctp_chunk_hdr_t *scch; 225*0Sstevel@tonic-gate 226*0Sstevel@tonic-gate scmp = sctp_make_mp(sctp, NULL, sizeof (*scch)); 227*0Sstevel@tonic-gate if (scmp == NULL) { 228*0Sstevel@tonic-gate /* XXX use timer approach */ 229*0Sstevel@tonic-gate return; 230*0Sstevel@tonic-gate } 231*0Sstevel@tonic-gate 232*0Sstevel@tonic-gate scch = (sctp_chunk_hdr_t *)scmp->b_wptr; 233*0Sstevel@tonic-gate scch->sch_id = CHUNK_SHUTDOWN_COMPLETE; 234*0Sstevel@tonic-gate scch->sch_flags = 0; 235*0Sstevel@tonic-gate scch->sch_len = htons(sizeof (*scch)); 236*0Sstevel@tonic-gate 237*0Sstevel@tonic-gate scmp->b_wptr += sizeof (*scch); 238*0Sstevel@tonic-gate 239*0Sstevel@tonic-gate sctp_set_iplen(sctp, scmp); 240*0Sstevel@tonic-gate 241*0Sstevel@tonic-gate BUMP_LOCAL(sctp->sctp_obchunks); 242*0Sstevel@tonic-gate 243*0Sstevel@tonic-gate sctp_add_sendq(sctp, scmp); 244*0Sstevel@tonic-gate } 245*0Sstevel@tonic-gate 246*0Sstevel@tonic-gate /* 247*0Sstevel@tonic-gate * Similar to sctp_shutdown_complete(), except that since this 248*0Sstevel@tonic-gate * is out-of-the-blue, we can't use an sctp's association information, 249*0Sstevel@tonic-gate * and instead must draw all necessary info from the incoming packet. 250*0Sstevel@tonic-gate */ 251*0Sstevel@tonic-gate void 252*0Sstevel@tonic-gate sctp_ootb_shutdown_ack(sctp_t *gsctp, mblk_t *inmp, uint_t ip_hdr_len) 253*0Sstevel@tonic-gate { 254*0Sstevel@tonic-gate boolean_t isv4; 255*0Sstevel@tonic-gate ipha_t *inip4h; 256*0Sstevel@tonic-gate ip6_t *inip6h; 257*0Sstevel@tonic-gate sctp_hdr_t *insctph; 258*0Sstevel@tonic-gate sctp_chunk_hdr_t *scch; 259*0Sstevel@tonic-gate int i; 260*0Sstevel@tonic-gate uint16_t port; 261*0Sstevel@tonic-gate mblk_t *mp1; 262*0Sstevel@tonic-gate 263*0Sstevel@tonic-gate isv4 = (IPH_HDR_VERSION(inmp->b_rptr) == IPV4_VERSION); 264*0Sstevel@tonic-gate 265*0Sstevel@tonic-gate /* 266*0Sstevel@tonic-gate * The gsctp should contain the minimal IP header. So the 267*0Sstevel@tonic-gate * incoming mblk should be able to hold the new SCTP packet. 268*0Sstevel@tonic-gate */ 269*0Sstevel@tonic-gate ASSERT(MBLKL(inmp) >= sizeof (*insctph) + sizeof (*scch) + 270*0Sstevel@tonic-gate (isv4 ? gsctp->sctp_ip_hdr_len : gsctp->sctp_ip_hdr6_len)); 271*0Sstevel@tonic-gate 272*0Sstevel@tonic-gate /* 273*0Sstevel@tonic-gate * Check to see if we can reuse the incoming mblk. There should 274*0Sstevel@tonic-gate * not be other reference. Since this packet comes from below, 275*0Sstevel@tonic-gate * there should be enough header space to fill in what the lower 276*0Sstevel@tonic-gate * layers want to add. And we will not stash anything there. 277*0Sstevel@tonic-gate */ 278*0Sstevel@tonic-gate if (DB_REF(inmp) != 1) { 279*0Sstevel@tonic-gate mp1 = allocb(MBLKL(inmp) + sctp_wroff_xtra, BPRI_MED); 280*0Sstevel@tonic-gate if (mp1 == NULL) { 281*0Sstevel@tonic-gate freeb(inmp); 282*0Sstevel@tonic-gate return; 283*0Sstevel@tonic-gate } 284*0Sstevel@tonic-gate mp1->b_rptr += sctp_wroff_xtra; 285*0Sstevel@tonic-gate mp1->b_wptr = mp1->b_rptr + MBLKL(inmp); 286*0Sstevel@tonic-gate bcopy(inmp->b_rptr, mp1->b_rptr, MBLKL(inmp)); 287*0Sstevel@tonic-gate freeb(inmp); 288*0Sstevel@tonic-gate inmp = mp1; 289*0Sstevel@tonic-gate } 290*0Sstevel@tonic-gate 291*0Sstevel@tonic-gate /* 292*0Sstevel@tonic-gate * We follow the logic in tcp_xmit_early_reset() in that we skip 293*0Sstevel@tonic-gate * reversing source route (i.e. relpace all IP options with EOL). 294*0Sstevel@tonic-gate */ 295*0Sstevel@tonic-gate if (isv4) { 296*0Sstevel@tonic-gate ipaddr_t v4addr; 297*0Sstevel@tonic-gate 298*0Sstevel@tonic-gate inip4h = (ipha_t *)inmp->b_rptr; 299*0Sstevel@tonic-gate for (i = IP_SIMPLE_HDR_LENGTH; i < (int)ip_hdr_len; i++) 300*0Sstevel@tonic-gate inmp->b_rptr[i] = IPOPT_EOL; 301*0Sstevel@tonic-gate /* Swap addresses */ 302*0Sstevel@tonic-gate inip4h->ipha_length = htons(ip_hdr_len + sizeof (*insctph) + 303*0Sstevel@tonic-gate sizeof (*scch)); 304*0Sstevel@tonic-gate v4addr = inip4h->ipha_src; 305*0Sstevel@tonic-gate inip4h->ipha_src = inip4h->ipha_dst; 306*0Sstevel@tonic-gate inip4h->ipha_dst = v4addr; 307*0Sstevel@tonic-gate inip4h->ipha_ident = 0; 308*0Sstevel@tonic-gate inip4h->ipha_ttl = (uchar_t)sctp_ipv4_ttl; 309*0Sstevel@tonic-gate } else { 310*0Sstevel@tonic-gate in6_addr_t v6addr; 311*0Sstevel@tonic-gate 312*0Sstevel@tonic-gate inip6h = (ip6_t *)inmp->b_rptr; 313*0Sstevel@tonic-gate /* Remove any extension headers assuming partial overlay */ 314*0Sstevel@tonic-gate if (ip_hdr_len > IPV6_HDR_LEN) { 315*0Sstevel@tonic-gate uint8_t *to; 316*0Sstevel@tonic-gate 317*0Sstevel@tonic-gate to = inmp->b_rptr + ip_hdr_len - IPV6_HDR_LEN; 318*0Sstevel@tonic-gate ovbcopy(inip6h, to, IPV6_HDR_LEN); 319*0Sstevel@tonic-gate inmp->b_rptr += ip_hdr_len - IPV6_HDR_LEN; 320*0Sstevel@tonic-gate ip_hdr_len = IPV6_HDR_LEN; 321*0Sstevel@tonic-gate inip6h = (ip6_t *)inmp->b_rptr; 322*0Sstevel@tonic-gate inip6h->ip6_nxt = IPPROTO_SCTP; 323*0Sstevel@tonic-gate } 324*0Sstevel@tonic-gate inip6h->ip6_plen = htons(ip_hdr_len + sizeof (*insctph) + 325*0Sstevel@tonic-gate sizeof (*scch) - IPV6_HDR_LEN); 326*0Sstevel@tonic-gate v6addr = inip6h->ip6_src; 327*0Sstevel@tonic-gate inip6h->ip6_src = inip6h->ip6_dst; 328*0Sstevel@tonic-gate inip6h->ip6_dst = v6addr; 329*0Sstevel@tonic-gate inip6h->ip6_hops = (uchar_t)sctp_ipv6_hoplimit; 330*0Sstevel@tonic-gate } 331*0Sstevel@tonic-gate insctph = (sctp_hdr_t *)(inmp->b_rptr + ip_hdr_len); 332*0Sstevel@tonic-gate 333*0Sstevel@tonic-gate /* Swap ports. Verification tag is reused. */ 334*0Sstevel@tonic-gate port = insctph->sh_sport; 335*0Sstevel@tonic-gate insctph->sh_sport = insctph->sh_dport; 336*0Sstevel@tonic-gate insctph->sh_dport = port; 337*0Sstevel@tonic-gate 338*0Sstevel@tonic-gate /* Lay in the shutdown complete chunk */ 339*0Sstevel@tonic-gate scch = (sctp_chunk_hdr_t *)(insctph + 1); 340*0Sstevel@tonic-gate scch->sch_id = CHUNK_SHUTDOWN_COMPLETE; 341*0Sstevel@tonic-gate scch->sch_len = htons(sizeof (*scch)); 342*0Sstevel@tonic-gate scch->sch_flags = 0; 343*0Sstevel@tonic-gate 344*0Sstevel@tonic-gate /* Set the T-bit */ 345*0Sstevel@tonic-gate SCTP_SET_TBIT(scch); 346*0Sstevel@tonic-gate 347*0Sstevel@tonic-gate BUMP_LOCAL(gsctp->sctp_obchunks); 348*0Sstevel@tonic-gate /* Nothing to stash... */ 349*0Sstevel@tonic-gate SCTP_STASH_IPINFO(inmp, (ire_t *)NULL); 350*0Sstevel@tonic-gate 351*0Sstevel@tonic-gate sctp_add_sendq(gsctp, inmp); 352*0Sstevel@tonic-gate } 353