0
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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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1673
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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0
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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 2006 Sun Microsystems, Inc. All rights reserved.
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0
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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 <inet/udp_impl.h>
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/*
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* MK_XXX Following 2 includes temporary to import ip6_rthdr_t
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* definition. May not be needed if we fix ip6_dg_snd_attrs_t
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* to do all extension headers in identical manner.
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*/
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#include <net/if.h>
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#include <inet/ip6.h>
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#include <netinet/in.h>
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#include <netinet/udp.h>
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#include <inet/optcom.h>
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/*
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* Table of all known options handled on a UDP protocol stack.
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*
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* Note: This table contains options processed by both UDP and IP levels
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* and is the superset of options that can be performed on a UDP over IP
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* stack.
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*/
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opdes_t udp_opt_arr[] = {
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{ SO_DEBUG, 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_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),
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0 },
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{ SO_RECVUCRED, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0
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},
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{ SO_TIMESTAMP, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0
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},
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{ SO_ANON_MLP, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int),
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0 },
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{ SO_MAC_EXEMPT, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int),
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0 },
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{ SCM_UCRED, SOL_SOCKET, OA_W, OA_W, OP_NP, OP_VARLEN|OP_NODEFAULT, 512, 0 },
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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), 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), 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, sizeof (int), 0 },
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{ IP_RECVOPTS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
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{ IP_RECVDSTADDR, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0
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},
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{ IP_RECVIF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
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{ IP_RECVSLLA, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
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{ IP_RECVTTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int),
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0 },
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{ IP_MULTICAST_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
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sizeof (struct in_addr), 0 /* INADDR_ANY */ },
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{ IP_MULTICAST_LOOP, IPPROTO_IP, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_DEF_FN),
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sizeof (uchar_t), -1 /* not initialized */},
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{ IP_MULTICAST_TTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_DEF_FN),
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sizeof (uchar_t), -1 /* not initialized */ },
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{ IP_ADD_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT),
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sizeof (struct ip_mreq), -1 /* not initialized */ },
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{ IP_DROP_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT),
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sizeof (struct ip_mreq), -1 /* not initialized */ },
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{ IP_BLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT),
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sizeof (struct ip_mreq_source), -1 /* not initialized */ },
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{ IP_UNBLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT),
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sizeof (struct ip_mreq_source), -1 /* not initialized */ },
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{ IP_ADD_SOURCE_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP,
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(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct ip_mreq_source), -1 },
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{ IP_DROP_SOURCE_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP,
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(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct ip_mreq_source), -1 },
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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_XMIT_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_DONTFAILOVER_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
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sizeof (struct in_addr), 0 /* not initialized */ },
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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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{ IP_NEXTHOP, IPPROTO_IP, OA_RW, OA_RW, OP_CONFIG, OP_PASSNEXT,
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sizeof (in_addr_t), -1 /* not initialized */ },
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0
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{ MCAST_JOIN_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP,
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(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_req),
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-1 /* not initialized */ },
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{ MCAST_LEAVE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP,
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(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_req),
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-1 /* not initialized */ },
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{ MCAST_BLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP,
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(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req),
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-1 /* not initialized */ },
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{ MCAST_UNBLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP,
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(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req),
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-1 /* not initialized */ },
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{ MCAST_JOIN_SOURCE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP,
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(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req),
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-1 /* not initialized */ },
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{ MCAST_LEAVE_SOURCE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP,
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(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req),
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-1 /* not initialized */ },
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{ IPV6_MULTICAST_IF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
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sizeof (int), 0 },
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{ IPV6_MULTICAST_HOPS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
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(OP_PASSNEXT|OP_DEF_FN), sizeof (int), -1 /* not initialized */ },
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{ IPV6_MULTICAST_LOOP, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
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(OP_PASSNEXT|OP_DEF_FN), sizeof (int), -1 /* not initialized */},
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{ IPV6_JOIN_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT),
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sizeof (struct ipv6_mreq), -1 /* not initialized */ },
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{ IPV6_LEAVE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP,
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(OP_PASSNEXT|OP_NODEFAULT),
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sizeof (struct ipv6_mreq), -1 /* not initialized */ },
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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_DONTFAILOVER_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_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|OP_VARLEN),
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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),
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MAX_EHDR_LEN, -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),
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MAX_EHDR_LEN, -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),
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MAX_EHDR_LEN, -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),
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MAX_EHDR_LEN, -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 (int), -1 /* not initialized */ },
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{ IPV6_DONTFRAG, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
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sizeof (int), 0 },
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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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224 |
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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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237 |
{ IPV6_RECVRTHDRDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
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sizeof (int), 0 },
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239 |
{ IPV6_RECVPATHMTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
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OP_PASSNEXT, sizeof (int), 0 },
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241 |
{ IPV6_RECVTCLASS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
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242 |
sizeof (int), 0 },
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243 |
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244 |
{ 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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247 |
sizeof (uint32_t), IPV6_PREFER_SRC_DEFAULT },
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248 |
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249 |
{ MCAST_JOIN_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP,
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250 |
(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_req),
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251 |
-1 /* not initialized */ },
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252 |
{ MCAST_LEAVE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP,
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253 |
(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_req),
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254 |
-1 /* not initialized */ },
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255 |
{ MCAST_BLOCK_SOURCE, IPPROTO_IPV6, OA_X, OA_X, OP_NP,
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256 |
(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req),
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257 |
-1 /* not initialized */ },
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258 |
{ MCAST_UNBLOCK_SOURCE, IPPROTO_IPV6, OA_X, OA_X, OP_NP,
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259 |
(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req),
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260 |
-1 /* not initialized */ },
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261 |
{ MCAST_JOIN_SOURCE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP,
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262 |
(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req),
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263 |
-1 /* not initialized */ },
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264 |
{ MCAST_LEAVE_SOURCE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP,
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265 |
(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req),
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266 |
-1 /* not initialized */ },
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267 |
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268 |
{ UDP_ANONPRIVBIND, IPPROTO_UDP, OA_R, OA_RW, OP_PRIVPORT, OP_PASSNEXT,
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|
269 |
sizeof (int), 0 },
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270 |
{ UDP_EXCLBIND, IPPROTO_UDP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0
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271 |
},
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272 |
{ UDP_RCVHDR, IPPROTO_UDP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0
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273 |
},
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274 |
};
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275 |
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|
276 |
/*
|
|
277 |
* Table of all supported levels
|
|
278 |
* Note: Some levels (e.g. XTI_GENERIC) may be valid but may not have
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|
279 |
* any supported options so we need this info separately.
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|
280 |
*
|
|
281 |
* This is needed only for topmost tpi providers and is used only by
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|
282 |
* XTI interfaces.
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|
283 |
*/
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|
284 |
optlevel_t udp_valid_levels_arr[] = {
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|
285 |
XTI_GENERIC,
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|
286 |
SOL_SOCKET,
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287 |
IPPROTO_UDP,
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288 |
IPPROTO_IP,
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289 |
IPPROTO_IPV6
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290 |
};
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291 |
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292 |
#define UDP_VALID_LEVELS_CNT A_CNT(udp_valid_levels_arr)
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293 |
#define UDP_OPT_ARR_CNT A_CNT(udp_opt_arr)
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294 |
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|
295 |
uint_t udp_max_optsize; /* initialized when UDP driver is loaded */
|
|
296 |
|
|
297 |
/*
|
|
298 |
* Initialize option database object for UDP
|
|
299 |
*
|
|
300 |
* This object represents database of options to search passed to
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301 |
* {sock,tpi}optcom_req() interface routine to take care of option
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302 |
* management and associated methods.
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|
303 |
*/
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|
304 |
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305 |
optdb_obj_t udp_opt_obj = {
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306 |
udp_opt_default, /* UDP default value function pointer */
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|
307 |
udp_opt_get, /* UDP get function pointer */
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|
308 |
udp_opt_set, /* UDP set function pointer */
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|
309 |
B_TRUE, /* UDP is tpi provider */
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|
310 |
UDP_OPT_ARR_CNT, /* UDP option database count of entries */
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|
311 |
udp_opt_arr, /* UDP option database */
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|
312 |
UDP_VALID_LEVELS_CNT, /* UDP valid level count of entries */
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|
313 |
udp_valid_levels_arr /* UDP valid level array */
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|
314 |
};
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