1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*7c478bd9Sstevel@tonic-gate 29*7c478bd9Sstevel@tonic-gate #include <sys/types.h> 30*7c478bd9Sstevel@tonic-gate #include <sys/stream.h> 31*7c478bd9Sstevel@tonic-gate #define _SUN_TPI_VERSION 2 32*7c478bd9Sstevel@tonic-gate #include <sys/tihdr.h> 33*7c478bd9Sstevel@tonic-gate #include <sys/socket.h> 34*7c478bd9Sstevel@tonic-gate #include <sys/xti_xtiopt.h> 35*7c478bd9Sstevel@tonic-gate #include <sys/xti_inet.h> 36*7c478bd9Sstevel@tonic-gate 37*7c478bd9Sstevel@tonic-gate #include <inet/common.h> 38*7c478bd9Sstevel@tonic-gate #include <netinet/ip6.h> 39*7c478bd9Sstevel@tonic-gate #include <inet/ip.h> 40*7c478bd9Sstevel@tonic-gate 41*7c478bd9Sstevel@tonic-gate #include <netinet/in.h> 42*7c478bd9Sstevel@tonic-gate #include <netinet/tcp.h> 43*7c478bd9Sstevel@tonic-gate #include <netinet/ip_mroute.h> 44*7c478bd9Sstevel@tonic-gate #include <inet/optcom.h> 45*7c478bd9Sstevel@tonic-gate 46*7c478bd9Sstevel@tonic-gate 47*7c478bd9Sstevel@tonic-gate extern int tcp_opt_default(queue_t *q, int level, int name, uchar_t *ptr); 48*7c478bd9Sstevel@tonic-gate extern int tcp_opt_get(queue_t *q, int level, int name, uchar_t *ptr); 49*7c478bd9Sstevel@tonic-gate extern int tcp_opt_set(queue_t *q, uint_t optset_context, int level, 50*7c478bd9Sstevel@tonic-gate int name, uint_t inlen, uchar_t *invalp, uint_t *outlenp, uchar_t *outvalp, 51*7c478bd9Sstevel@tonic-gate void *thisdg_attrs, cred_t *cr, mblk_t *mblk); 52*7c478bd9Sstevel@tonic-gate 53*7c478bd9Sstevel@tonic-gate /* 54*7c478bd9Sstevel@tonic-gate * Table of all known options handled on a TCP protocol stack. 55*7c478bd9Sstevel@tonic-gate * 56*7c478bd9Sstevel@tonic-gate * Note: This table contains options processed by both TCP and IP levels 57*7c478bd9Sstevel@tonic-gate * and is the superset of options that can be performed on a TCP over IP 58*7c478bd9Sstevel@tonic-gate * stack. 59*7c478bd9Sstevel@tonic-gate */ 60*7c478bd9Sstevel@tonic-gate opdes_t tcp_opt_arr[] = { 61*7c478bd9Sstevel@tonic-gate 62*7c478bd9Sstevel@tonic-gate { SO_LINGER, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 63*7c478bd9Sstevel@tonic-gate sizeof (struct linger), 0 }, 64*7c478bd9Sstevel@tonic-gate 65*7c478bd9Sstevel@tonic-gate { SO_DEBUG, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 66*7c478bd9Sstevel@tonic-gate { SO_KEEPALIVE, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 67*7c478bd9Sstevel@tonic-gate { SO_DONTROUTE, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 68*7c478bd9Sstevel@tonic-gate { SO_USELOOPBACK, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 69*7c478bd9Sstevel@tonic-gate }, 70*7c478bd9Sstevel@tonic-gate { SO_BROADCAST, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 71*7c478bd9Sstevel@tonic-gate { SO_REUSEADDR, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 72*7c478bd9Sstevel@tonic-gate { SO_OOBINLINE, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 73*7c478bd9Sstevel@tonic-gate { SO_TYPE, SOL_SOCKET, OA_R, OA_R, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 74*7c478bd9Sstevel@tonic-gate { SO_SNDBUF, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 75*7c478bd9Sstevel@tonic-gate { SO_RCVBUF, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 76*7c478bd9Sstevel@tonic-gate { SO_DGRAM_ERRIND, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 77*7c478bd9Sstevel@tonic-gate }, 78*7c478bd9Sstevel@tonic-gate { SO_SND_COPYAVOID, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 79*7c478bd9Sstevel@tonic-gate { TCP_NODELAY, IPPROTO_TCP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 80*7c478bd9Sstevel@tonic-gate }, 81*7c478bd9Sstevel@tonic-gate { TCP_MAXSEG, IPPROTO_TCP, OA_R, OA_R, OP_NP, OP_PASSNEXT, sizeof (uint_t), 82*7c478bd9Sstevel@tonic-gate 536 }, 83*7c478bd9Sstevel@tonic-gate 84*7c478bd9Sstevel@tonic-gate { TCP_NOTIFY_THRESHOLD, IPPROTO_TCP, OA_RW, OA_RW, OP_NP, 85*7c478bd9Sstevel@tonic-gate (OP_PASSNEXT|OP_DEF_FN), sizeof (int), -1 /* not initialized */ }, 86*7c478bd9Sstevel@tonic-gate 87*7c478bd9Sstevel@tonic-gate { TCP_ABORT_THRESHOLD, IPPROTO_TCP, OA_RW, OA_RW, OP_NP, 88*7c478bd9Sstevel@tonic-gate (OP_PASSNEXT|OP_DEF_FN), sizeof (int), -1 /* not initialized */ }, 89*7c478bd9Sstevel@tonic-gate 90*7c478bd9Sstevel@tonic-gate { TCP_CONN_NOTIFY_THRESHOLD, IPPROTO_TCP, OA_RW, OA_RW, OP_NP, 91*7c478bd9Sstevel@tonic-gate (OP_PASSNEXT|OP_DEF_FN), sizeof (int), -1 /* not initialized */ }, 92*7c478bd9Sstevel@tonic-gate 93*7c478bd9Sstevel@tonic-gate { TCP_CONN_ABORT_THRESHOLD, IPPROTO_TCP, OA_RW, OA_RW, OP_NP, 94*7c478bd9Sstevel@tonic-gate (OP_PASSNEXT|OP_DEF_FN), sizeof (int), -1 /* not initialized */ }, 95*7c478bd9Sstevel@tonic-gate 96*7c478bd9Sstevel@tonic-gate { TCP_RECVDSTADDR, IPPROTO_TCP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 97*7c478bd9Sstevel@tonic-gate 0 }, 98*7c478bd9Sstevel@tonic-gate 99*7c478bd9Sstevel@tonic-gate { TCP_ANONPRIVBIND, IPPROTO_TCP, OA_R, OA_RW, OP_PRIVPORT, OP_PASSNEXT, 100*7c478bd9Sstevel@tonic-gate sizeof (int), 0 }, 101*7c478bd9Sstevel@tonic-gate 102*7c478bd9Sstevel@tonic-gate { TCP_EXCLBIND, IPPROTO_TCP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 103*7c478bd9Sstevel@tonic-gate }, 104*7c478bd9Sstevel@tonic-gate 105*7c478bd9Sstevel@tonic-gate { TCP_INIT_CWND, IPPROTO_TCP, OA_RW, OA_RW, OP_CONFIG, OP_PASSNEXT, 106*7c478bd9Sstevel@tonic-gate sizeof (int), 0 }, 107*7c478bd9Sstevel@tonic-gate 108*7c478bd9Sstevel@tonic-gate { TCP_KEEPALIVE_THRESHOLD, IPPROTO_TCP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 109*7c478bd9Sstevel@tonic-gate sizeof (int), 0 }, 110*7c478bd9Sstevel@tonic-gate 111*7c478bd9Sstevel@tonic-gate { TCP_KEEPALIVE_ABORT_THRESHOLD, IPPROTO_TCP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 112*7c478bd9Sstevel@tonic-gate sizeof (int), 0 }, 113*7c478bd9Sstevel@tonic-gate 114*7c478bd9Sstevel@tonic-gate { TCP_CORK, IPPROTO_TCP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 115*7c478bd9Sstevel@tonic-gate 116*7c478bd9Sstevel@tonic-gate { IP_OPTIONS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 117*7c478bd9Sstevel@tonic-gate (OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 118*7c478bd9Sstevel@tonic-gate 40, -1 /* not initialized */ }, 119*7c478bd9Sstevel@tonic-gate { T_IP_OPTIONS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 120*7c478bd9Sstevel@tonic-gate (OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 121*7c478bd9Sstevel@tonic-gate 40, -1 /* not initialized */ }, 122*7c478bd9Sstevel@tonic-gate 123*7c478bd9Sstevel@tonic-gate { IP_TOS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 124*7c478bd9Sstevel@tonic-gate { T_IP_TOS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 125*7c478bd9Sstevel@tonic-gate { IP_TTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_DEF_FN), 126*7c478bd9Sstevel@tonic-gate sizeof (int), -1 /* not initialized */ }, 127*7c478bd9Sstevel@tonic-gate 128*7c478bd9Sstevel@tonic-gate { IP_SEC_OPT, IPPROTO_IP, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), 129*7c478bd9Sstevel@tonic-gate sizeof (ipsec_req_t), -1 /* not initialized */ }, 130*7c478bd9Sstevel@tonic-gate 131*7c478bd9Sstevel@tonic-gate { IP_BOUND_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 132*7c478bd9Sstevel@tonic-gate sizeof (int), 0 /* no ifindex */ }, 133*7c478bd9Sstevel@tonic-gate 134*7c478bd9Sstevel@tonic-gate { IP_UNSPEC_SRC, IPPROTO_IP, OA_R, OA_RW, OP_RAW, OP_PASSNEXT, 135*7c478bd9Sstevel@tonic-gate sizeof (int), 0 }, 136*7c478bd9Sstevel@tonic-gate 137*7c478bd9Sstevel@tonic-gate { IPV6_UNICAST_HOPS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_DEF_FN), 138*7c478bd9Sstevel@tonic-gate sizeof (int), -1 /* not initialized */ }, 139*7c478bd9Sstevel@tonic-gate 140*7c478bd9Sstevel@tonic-gate { IPV6_BOUND_IF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 141*7c478bd9Sstevel@tonic-gate sizeof (int), 0 /* no ifindex */ }, 142*7c478bd9Sstevel@tonic-gate 143*7c478bd9Sstevel@tonic-gate { IPV6_BOUND_PIF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 144*7c478bd9Sstevel@tonic-gate sizeof (int), 0 /* no ifindex */ }, 145*7c478bd9Sstevel@tonic-gate 146*7c478bd9Sstevel@tonic-gate { IPV6_UNSPEC_SRC, IPPROTO_IPV6, OA_R, OA_RW, OP_RAW, OP_PASSNEXT, 147*7c478bd9Sstevel@tonic-gate sizeof (int), 0 }, 148*7c478bd9Sstevel@tonic-gate 149*7c478bd9Sstevel@tonic-gate { IPV6_PKTINFO, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 150*7c478bd9Sstevel@tonic-gate (OP_PASSNEXT|OP_NODEFAULT|OP_VARLEN), 151*7c478bd9Sstevel@tonic-gate sizeof (struct in6_pktinfo), -1 /* not initialized */ }, 152*7c478bd9Sstevel@tonic-gate { IPV6_HOPLIMIT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 153*7c478bd9Sstevel@tonic-gate (OP_PASSNEXT|OP_NODEFAULT), 154*7c478bd9Sstevel@tonic-gate sizeof (int), -1 /* not initialized */ }, 155*7c478bd9Sstevel@tonic-gate { IPV6_NEXTHOP, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 156*7c478bd9Sstevel@tonic-gate (OP_PASSNEXT|OP_NODEFAULT), 157*7c478bd9Sstevel@tonic-gate sizeof (sin6_t), -1 /* not initialized */ }, 158*7c478bd9Sstevel@tonic-gate { IPV6_HOPOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 159*7c478bd9Sstevel@tonic-gate (OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 255*8, 160*7c478bd9Sstevel@tonic-gate -1 /* not initialized */ }, 161*7c478bd9Sstevel@tonic-gate { IPV6_DSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 162*7c478bd9Sstevel@tonic-gate (OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 255*8, 163*7c478bd9Sstevel@tonic-gate -1 /* not initialized */ }, 164*7c478bd9Sstevel@tonic-gate { IPV6_RTHDRDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 165*7c478bd9Sstevel@tonic-gate (OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 255*8, 166*7c478bd9Sstevel@tonic-gate -1 /* not initialized */ }, 167*7c478bd9Sstevel@tonic-gate { IPV6_RTHDR, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 168*7c478bd9Sstevel@tonic-gate (OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 255*8, 169*7c478bd9Sstevel@tonic-gate -1 /* not initialized */ }, 170*7c478bd9Sstevel@tonic-gate { IPV6_TCLASS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 171*7c478bd9Sstevel@tonic-gate (OP_PASSNEXT|OP_NODEFAULT), 172*7c478bd9Sstevel@tonic-gate sizeof (int), -1 /* not initialized */ }, 173*7c478bd9Sstevel@tonic-gate { IPV6_PATHMTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 174*7c478bd9Sstevel@tonic-gate (OP_PASSNEXT|OP_NODEFAULT), 175*7c478bd9Sstevel@tonic-gate sizeof (struct ip6_mtuinfo), -1 /* not initialized */ }, 176*7c478bd9Sstevel@tonic-gate { IPV6_USE_MIN_MTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 177*7c478bd9Sstevel@tonic-gate sizeof (int), 0 }, 178*7c478bd9Sstevel@tonic-gate { IPV6_V6ONLY, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 179*7c478bd9Sstevel@tonic-gate sizeof (int), 0 }, 180*7c478bd9Sstevel@tonic-gate 181*7c478bd9Sstevel@tonic-gate /* Enable receipt of ancillary data */ 182*7c478bd9Sstevel@tonic-gate { IPV6_RECVPKTINFO, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 183*7c478bd9Sstevel@tonic-gate sizeof (int), 0 }, 184*7c478bd9Sstevel@tonic-gate { IPV6_RECVHOPLIMIT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 185*7c478bd9Sstevel@tonic-gate sizeof (int), 0 }, 186*7c478bd9Sstevel@tonic-gate { IPV6_RECVHOPOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 187*7c478bd9Sstevel@tonic-gate sizeof (int), 0 }, 188*7c478bd9Sstevel@tonic-gate { _OLD_IPV6_RECVDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 189*7c478bd9Sstevel@tonic-gate sizeof (int), 0 }, 190*7c478bd9Sstevel@tonic-gate { IPV6_RECVDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 191*7c478bd9Sstevel@tonic-gate sizeof (int), 0 }, 192*7c478bd9Sstevel@tonic-gate { IPV6_RECVRTHDR, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 193*7c478bd9Sstevel@tonic-gate sizeof (int), 0 }, 194*7c478bd9Sstevel@tonic-gate { IPV6_RECVRTHDRDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 195*7c478bd9Sstevel@tonic-gate sizeof (int), 0 }, 196*7c478bd9Sstevel@tonic-gate { IPV6_RECVTCLASS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 197*7c478bd9Sstevel@tonic-gate sizeof (int), 0 }, 198*7c478bd9Sstevel@tonic-gate 199*7c478bd9Sstevel@tonic-gate { IPV6_SEC_OPT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), 200*7c478bd9Sstevel@tonic-gate sizeof (ipsec_req_t), -1 /* not initialized */ }, 201*7c478bd9Sstevel@tonic-gate { IPV6_SRC_PREFERENCES, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 202*7c478bd9Sstevel@tonic-gate sizeof (uint32_t), IPV6_PREFER_SRC_DEFAULT }, 203*7c478bd9Sstevel@tonic-gate }; 204*7c478bd9Sstevel@tonic-gate 205*7c478bd9Sstevel@tonic-gate /* 206*7c478bd9Sstevel@tonic-gate * Table of all supported levels 207*7c478bd9Sstevel@tonic-gate * Note: Some levels (e.g. XTI_GENERIC) may be valid but may not have 208*7c478bd9Sstevel@tonic-gate * any supported options so we need this info separately. 209*7c478bd9Sstevel@tonic-gate * 210*7c478bd9Sstevel@tonic-gate * This is needed only for topmost tpi providers and is used only by 211*7c478bd9Sstevel@tonic-gate * XTI interfaces. 212*7c478bd9Sstevel@tonic-gate */ 213*7c478bd9Sstevel@tonic-gate optlevel_t tcp_valid_levels_arr[] = { 214*7c478bd9Sstevel@tonic-gate XTI_GENERIC, 215*7c478bd9Sstevel@tonic-gate SOL_SOCKET, 216*7c478bd9Sstevel@tonic-gate IPPROTO_TCP, 217*7c478bd9Sstevel@tonic-gate IPPROTO_IP, 218*7c478bd9Sstevel@tonic-gate IPPROTO_IPV6 219*7c478bd9Sstevel@tonic-gate }; 220*7c478bd9Sstevel@tonic-gate 221*7c478bd9Sstevel@tonic-gate 222*7c478bd9Sstevel@tonic-gate #define TCP_OPT_ARR_CNT A_CNT(tcp_opt_arr) 223*7c478bd9Sstevel@tonic-gate #define TCP_VALID_LEVELS_CNT A_CNT(tcp_valid_levels_arr) 224*7c478bd9Sstevel@tonic-gate 225*7c478bd9Sstevel@tonic-gate uint_t tcp_max_optsize; /* initialized when TCP driver is loaded */ 226*7c478bd9Sstevel@tonic-gate 227*7c478bd9Sstevel@tonic-gate /* 228*7c478bd9Sstevel@tonic-gate * Initialize option database object for TCP 229*7c478bd9Sstevel@tonic-gate * 230*7c478bd9Sstevel@tonic-gate * This object represents database of options to search passed to 231*7c478bd9Sstevel@tonic-gate * {sock,tpi}optcom_req() interface routine to take care of option 232*7c478bd9Sstevel@tonic-gate * management and associated methods. 233*7c478bd9Sstevel@tonic-gate */ 234*7c478bd9Sstevel@tonic-gate 235*7c478bd9Sstevel@tonic-gate optdb_obj_t tcp_opt_obj = { 236*7c478bd9Sstevel@tonic-gate tcp_opt_default, /* TCP default value function pointer */ 237*7c478bd9Sstevel@tonic-gate tcp_opt_get, /* TCP get function pointer */ 238*7c478bd9Sstevel@tonic-gate tcp_opt_set, /* TCP set function pointer */ 239*7c478bd9Sstevel@tonic-gate B_TRUE, /* TCP is tpi provider */ 240*7c478bd9Sstevel@tonic-gate TCP_OPT_ARR_CNT, /* TCP option database count of entries */ 241*7c478bd9Sstevel@tonic-gate tcp_opt_arr, /* TCP option database */ 242*7c478bd9Sstevel@tonic-gate TCP_VALID_LEVELS_CNT, /* TCP valid level count of entries */ 243*7c478bd9Sstevel@tonic-gate tcp_valid_levels_arr /* TCP valid level array */ 244*7c478bd9Sstevel@tonic-gate }; 245