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/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*/
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#pragma ident "%Z%%M% %I% %E% SMI"
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#include <sys/types.h>
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#include <sys/stream.h>
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#define _SUN_TPI_VERSION 2
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#include <sys/tihdr.h>
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#include <sys/socket.h>
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#include <sys/xti_xtiopt.h>
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#include <sys/xti_inet.h>
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#include <inet/common.h>
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#include <netinet/ip6.h>
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#include <inet/ip.h>
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#include <netinet/in.h>
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#include <netinet/tcp.h>
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#include <netinet/ip_mroute.h>
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#include <inet/optcom.h>
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extern int tcp_opt_default(queue_t *q, int level, int name, uchar_t *ptr);
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extern int tcp_opt_get(queue_t *q, int level, int name, uchar_t *ptr);
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extern int tcp_opt_set(queue_t *q, uint_t optset_context, int level,
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int name, uint_t inlen, uchar_t *invalp, uint_t *outlenp, uchar_t *outvalp,
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void *thisdg_attrs, cred_t *cr, mblk_t *mblk);
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/*
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* Table of all known options handled on a TCP protocol stack.
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*
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* Note: This table contains options processed by both TCP and IP levels
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* and is the superset of options that can be performed on a TCP over IP
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* stack.
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*/
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opdes_t tcp_opt_arr[] = {
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{ SO_LINGER, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
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sizeof (struct linger), 0 },
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{ SO_DEBUG, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
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{ SO_KEEPALIVE, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
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{ SO_DONTROUTE, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
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{ SO_USELOOPBACK, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0
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},
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{ SO_BROADCAST, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
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{ SO_REUSEADDR, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
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{ SO_OOBINLINE, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
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{ SO_TYPE, SOL_SOCKET, OA_R, OA_R, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
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{ SO_SNDBUF, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
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{ SO_RCVBUF, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
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{ SO_DGRAM_ERRIND, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0
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},
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{ SO_SND_COPYAVOID, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 },
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{ TCP_NODELAY, IPPROTO_TCP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0
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},
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{ TCP_MAXSEG, IPPROTO_TCP, OA_R, OA_R, OP_NP, OP_PASSNEXT, sizeof (uint_t),
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536 },
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{ TCP_NOTIFY_THRESHOLD, IPPROTO_TCP, OA_RW, OA_RW, OP_NP,
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(OP_PASSNEXT|OP_DEF_FN), sizeof (int), -1 /* not initialized */ },
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{ TCP_ABORT_THRESHOLD, IPPROTO_TCP, OA_RW, OA_RW, OP_NP,
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(OP_PASSNEXT|OP_DEF_FN), sizeof (int), -1 /* not initialized */ },
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{ TCP_CONN_NOTIFY_THRESHOLD, IPPROTO_TCP, OA_RW, OA_RW, OP_NP,
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(OP_PASSNEXT|OP_DEF_FN), sizeof (int), -1 /* not initialized */ },
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{ TCP_CONN_ABORT_THRESHOLD, IPPROTO_TCP, OA_RW, OA_RW, OP_NP,
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(OP_PASSNEXT|OP_DEF_FN), sizeof (int), -1 /* not initialized */ },
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{ TCP_RECVDSTADDR, IPPROTO_TCP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int),
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0 },
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{ TCP_ANONPRIVBIND, IPPROTO_TCP, OA_R, OA_RW, OP_PRIVPORT, OP_PASSNEXT,
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sizeof (int), 0 },
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{ TCP_EXCLBIND, IPPROTO_TCP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0
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},
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{ TCP_INIT_CWND, IPPROTO_TCP, OA_RW, OA_RW, OP_CONFIG, OP_PASSNEXT,
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sizeof (int), 0 },
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{ TCP_KEEPALIVE_THRESHOLD, IPPROTO_TCP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
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sizeof (int), 0 },
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{ TCP_KEEPALIVE_ABORT_THRESHOLD, IPPROTO_TCP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
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sizeof (int), 0 },
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{ TCP_CORK, IPPROTO_TCP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
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{ IP_OPTIONS, IPPROTO_IP, OA_RW, OA_RW, OP_NP,
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(OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT),
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40, -1 /* not initialized */ },
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{ T_IP_OPTIONS, IPPROTO_IP, OA_RW, OA_RW, OP_NP,
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(OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT),
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40, -1 /* not initialized */ },
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{ IP_TOS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
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{ T_IP_TOS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
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{ IP_TTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_DEF_FN),
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sizeof (int), -1 /* not initialized */ },
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{ IP_SEC_OPT, IPPROTO_IP, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_NODEFAULT),
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sizeof (ipsec_req_t), -1 /* not initialized */ },
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{ IP_BOUND_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
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sizeof (int), 0 /* no ifindex */ },
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{ IP_UNSPEC_SRC, IPPROTO_IP, OA_R, OA_RW, OP_RAW, OP_PASSNEXT,
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sizeof (int), 0 },
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{ IPV6_UNICAST_HOPS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_DEF_FN),
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sizeof (int), -1 /* not initialized */ },
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{ IPV6_BOUND_IF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
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sizeof (int), 0 /* no ifindex */ },
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{ IPV6_BOUND_PIF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
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sizeof (int), 0 /* no ifindex */ },
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{ IPV6_UNSPEC_SRC, IPPROTO_IPV6, OA_R, OA_RW, OP_RAW, OP_PASSNEXT,
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sizeof (int), 0 },
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{ IPV6_PKTINFO, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
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(OP_PASSNEXT|OP_NODEFAULT|OP_VARLEN),
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sizeof (struct in6_pktinfo), -1 /* not initialized */ },
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{ IPV6_HOPLIMIT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
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(OP_PASSNEXT|OP_NODEFAULT),
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sizeof (int), -1 /* not initialized */ },
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{ IPV6_NEXTHOP, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
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(OP_PASSNEXT|OP_NODEFAULT),
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sizeof (sin6_t), -1 /* not initialized */ },
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{ IPV6_HOPOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
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(OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 255*8,
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-1 /* not initialized */ },
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{ IPV6_DSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
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(OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 255*8,
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-1 /* not initialized */ },
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{ IPV6_RTHDRDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
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(OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 255*8,
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-1 /* not initialized */ },
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{ IPV6_RTHDR, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
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(OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 255*8,
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-1 /* not initialized */ },
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{ IPV6_TCLASS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
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(OP_PASSNEXT|OP_NODEFAULT),
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sizeof (int), -1 /* not initialized */ },
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{ IPV6_PATHMTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
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(OP_PASSNEXT|OP_NODEFAULT),
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sizeof (struct ip6_mtuinfo), -1 /* not initialized */ },
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{ IPV6_USE_MIN_MTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
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sizeof (int), 0 },
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{ IPV6_V6ONLY, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
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sizeof (int), 0 },
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/* Enable receipt of ancillary data */
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{ IPV6_RECVPKTINFO, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
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sizeof (int), 0 },
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{ IPV6_RECVHOPLIMIT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
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sizeof (int), 0 },
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{ IPV6_RECVHOPOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
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sizeof (int), 0 },
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{ _OLD_IPV6_RECVDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
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sizeof (int), 0 },
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{ IPV6_RECVDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
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sizeof (int), 0 },
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{ IPV6_RECVRTHDR, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
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sizeof (int), 0 },
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{ IPV6_RECVRTHDRDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
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sizeof (int), 0 },
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{ IPV6_RECVTCLASS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
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sizeof (int), 0 },
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{ IPV6_SEC_OPT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_NODEFAULT),
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sizeof (ipsec_req_t), -1 /* not initialized */ },
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{ IPV6_SRC_PREFERENCES, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
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sizeof (uint32_t), IPV6_PREFER_SRC_DEFAULT },
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};
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/*
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* Table of all supported levels
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* Note: Some levels (e.g. XTI_GENERIC) may be valid but may not have
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* any supported options so we need this info separately.
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*
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* This is needed only for topmost tpi providers and is used only by
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* XTI interfaces.
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*/
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optlevel_t tcp_valid_levels_arr[] = {
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XTI_GENERIC,
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SOL_SOCKET,
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IPPROTO_TCP,
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IPPROTO_IP,
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IPPROTO_IPV6
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};
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#define TCP_OPT_ARR_CNT A_CNT(tcp_opt_arr)
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#define TCP_VALID_LEVELS_CNT A_CNT(tcp_valid_levels_arr)
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uint_t tcp_max_optsize; /* initialized when TCP driver is loaded */
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/*
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* Initialize option database object for TCP
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*
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* This object represents database of options to search passed to
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* {sock,tpi}optcom_req() interface routine to take care of option
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* management and associated methods.
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*/
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optdb_obj_t tcp_opt_obj = {
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tcp_opt_default, /* TCP default value function pointer */
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tcp_opt_get, /* TCP get function pointer */
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tcp_opt_set, /* TCP set function pointer */
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B_TRUE, /* TCP is tpi provider */
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TCP_OPT_ARR_CNT, /* TCP option database count of entries */
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tcp_opt_arr, /* TCP option database */
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TCP_VALID_LEVELS_CNT, /* TCP valid level count of entries */
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tcp_valid_levels_arr /* TCP valid level array */
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};
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