ip_opt_data.c revision db5b637c3ad5d30e8f1abbe1c8ecdc74bc454bc0
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <sys/stream.h>
#define _SUN_TPI_VERSION 2
#include <sys/tihdr.h>
#include <sys/socket.h>
#include <sys/xti_inet.h>
#include <inet/common.h>
#include <netinet/ip6.h>
#include <inet/ip.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <netinet/ip_mroute.h>
#include <inet/optcom.h>
extern int ip_opt_default(queue_t *q, int level, int name, uchar_t *ptr);
extern int ip_opt_get(queue_t *q, int level, int name, uchar_t *ptr);
extern int ip_opt_set(queue_t *q, uint_t optset_context, int level,
int name, uint_t inlen, uchar_t *invalp, uint_t *outlenp, uchar_t *outvalp,
void *, cred_t *cr, mblk_t *);
/*
* Table of all known options handled on a IP protocol stack.
*
* Note: Not all of these options are available through all protocol stacks
* For example, multicast options are not accessible in TCP over IP.
* The filtering for that happens in option table at transport level.
* Also, this table excludes any options processed exclusively at the
* transport protocol level.
*/
opdes_t ip_opt_arr[] = {
{ SO_DONTROUTE, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
{ SO_BROADCAST, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
{ SO_REUSEADDR, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
{ SO_PROTOTYPE, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
{ IP_OPTIONS, IPPROTO_IP, OA_RW, OA_RW, OP_NP,
(OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 40, -1 /* not initialized */ },
{ T_IP_OPTIONS, IPPROTO_IP, OA_RW, OA_RW, OP_NP,
(OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 40, -1 /* not initialized */ },
{ IP_TOS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
{ T_IP_TOS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
{ IP_TTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
{ IP_MULTICAST_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (struct in_addr), 0 /* INADDR_ANY */ },
{ IP_MULTICAST_LOOP, IPPROTO_IP, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_DEF_FN),
sizeof (uchar_t), -1 /* not initialized */},
{ IP_MULTICAST_TTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_DEF_FN),
sizeof (uchar_t), -1 /* not initialized */ },
{ IP_ADD_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT),
sizeof (struct ip_mreq), -1 /* not initialized */ },
{ IP_DROP_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT),
sizeof (struct ip_mreq), -1 /* not initialized */ },
{ IP_BLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT),
sizeof (struct ip_mreq_source), -1 /* not initialized */ },
{ IP_UNBLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT),
sizeof (struct ip_mreq_source), -1 /* not initialized */ },
{ IP_ADD_SOURCE_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP,
(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct ip_mreq_source), -1 },
{ IP_DROP_SOURCE_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP,
(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct ip_mreq_source), -1 },
{ IP_RECVOPTS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
{ IP_RECVDSTADDR, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0
},
{ IP_RECVIF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
{ IP_RECVSLLA, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
{ IP_BOUND_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (int), 0 /* no ifindex */ },
{ IP_XMIT_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (int), 0 /* no ifindex */ },
{ IP_DONTFAILOVER_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (struct in_addr), 0 /* not initialized */ },
{ IP_UNSPEC_SRC, IPPROTO_IP, OA_R, OA_RW, OP_RAW, OP_PASSNEXT,
sizeof (int), 0 },
{ IP_SEC_OPT, IPPROTO_IP, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_NODEFAULT),
sizeof (ipsec_req_t), -1 /* not initialized */ },
{ IP_NEXTHOP, IPPROTO_IP, OA_RW, OA_RW, OP_CONFIG, OP_PASSNEXT,
sizeof (in_addr_t), -1 /* not initialized */ },
{ MRT_INIT, IPPROTO_IP, 0, OA_X, OP_CONFIG,
(OP_PASSNEXT|OP_NODEFAULT), sizeof (int), -1 /* not initialized */ },
{ MRT_DONE, IPPROTO_IP, 0, OA_X, OP_CONFIG,
(OP_PASSNEXT|OP_NODEFAULT), 0, -1 /* not initialized */ },
{ MRT_ADD_VIF, IPPROTO_IP, 0, OA_X, OP_CONFIG, (OP_PASSNEXT|OP_NODEFAULT),
sizeof (struct vifctl), -1 /* not initialized */ },
{ MRT_DEL_VIF, IPPROTO_IP, 0, OA_X, OP_CONFIG, (OP_PASSNEXT|OP_NODEFAULT),
sizeof (vifi_t), -1 /* not initialized */ },
{ MRT_ADD_MFC, IPPROTO_IP, 0, OA_X, OP_CONFIG, (OP_PASSNEXT|OP_NODEFAULT),
sizeof (struct mfcctl), -1 /* not initialized */ },
{ MRT_DEL_MFC, IPPROTO_IP, 0, OA_X, OP_CONFIG, (OP_PASSNEXT|OP_NODEFAULT),
sizeof (struct mfcctl), -1 /* not initialized */ },
{ MRT_VERSION, IPPROTO_IP, OA_R, OA_R, OP_NP, (OP_PASSNEXT|OP_NODEFAULT),
sizeof (int), -1 /* not initialized */ },
{ MRT_ASSERT, IPPROTO_IP, 0, OA_RW, OP_CONFIG, (OP_PASSNEXT|OP_NODEFAULT),
sizeof (int), -1 /* not initialized */ },
{ MCAST_JOIN_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP,
(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_req),
-1 /* not initialized */ },
{ MCAST_LEAVE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP,
(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_req),
-1 /* not initialized */ },
{ MCAST_BLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP,
(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req),
-1 /* not initialized */ },
{ MCAST_UNBLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP,
(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req),
-1 /* not initialized */ },
{ MCAST_JOIN_SOURCE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP,
(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req),
-1 /* not initialized */ },
{ MCAST_LEAVE_SOURCE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP,
(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req),
-1 /* not initialized */ },
{ IPV6_MULTICAST_IF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (int), 0 },
{ IPV6_MULTICAST_HOPS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
(OP_PASSNEXT|OP_DEF_FN), sizeof (int), -1 /* not initialized */ },
{ IPV6_MULTICAST_LOOP, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
(OP_PASSNEXT|OP_DEF_FN), sizeof (int), -1 /* not initialized */},
{ IPV6_JOIN_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT),
sizeof (struct ipv6_mreq), -1 /* not initialized */ },
{ IPV6_LEAVE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP,
(OP_PASSNEXT|OP_NODEFAULT),
sizeof (struct ipv6_mreq), -1 /* not initialized */ },
{ IPV6_UNICAST_HOPS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
(OP_PASSNEXT|OP_DEF_FN), sizeof (int), -1 /* not initialized */ },
{ IPV6_BOUND_IF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (int), 0 /* no ifindex */ },
{ IPV6_BOUND_PIF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (int), 0 /* no ifindex */ },
{ IPV6_DONTFAILOVER_IF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (int), 0 /* no ifindex */ },
{ IPV6_UNSPEC_SRC, IPPROTO_IPV6, OA_R, OA_RW, OP_RAW, OP_PASSNEXT,
sizeof (int), 0 },
{ IPV6_PKTINFO, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
(OP_PASSNEXT|OP_NODEFAULT|OP_VARLEN),
sizeof (struct in6_pktinfo), -1 /* not initialized */ },
{ IPV6_HOPLIMIT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
(OP_PASSNEXT|OP_NODEFAULT|OP_VARLEN),
sizeof (int), -1 /* not initialized */ },
{ IPV6_NEXTHOP, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
(OP_PASSNEXT|OP_NODEFAULT|OP_VARLEN),
sizeof (sin6_t), -1 /* not initialized */ },
{ IPV6_HOPOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
(OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 255*8,
-1 /* not initialized */ },
{ IPV6_DSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
(OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 255*8,
-1 /* not initialized */ },
{ IPV6_RTHDRDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
(OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 255*8,
-1 /* not initialized */ },
{ IPV6_RTHDR, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
(OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 255*8,
-1 /* not initialized */ },
{ IPV6_TCLASS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
(OP_PASSNEXT|OP_NODEFAULT|OP_VARLEN),
sizeof (int), -1 /* not initialized */ },
{ IPV6_PATHMTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (struct ip6_mtuinfo), -1 },
{ IPV6_DONTFRAG, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (int), 0 },
{ IPV6_USE_MIN_MTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (int), -1 },
{ IPV6_V6ONLY, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (int), 0 },
/* Enable receipt of ancillary data */
{ IPV6_RECVPKTINFO, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (int), 0 },
{ IPV6_RECVHOPLIMIT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (int), 0 },
{ IPV6_RECVHOPOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (int), 0 },
{ _OLD_IPV6_RECVDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (int), 0 },
{ IPV6_RECVDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (int), 0 },
{ IPV6_RECVRTHDR, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (int), 0 },
{ IPV6_RECVRTHDRDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (int), 0 },
{ IPV6_RECVTCLASS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (int), 0 },
{ IPV6_RECVPATHMTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (int), 0 },
{ IPV6_SEC_OPT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_NODEFAULT),
sizeof (ipsec_req_t), -1 /* not initialized */ },
{ IPV6_SRC_PREFERENCES, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (uint32_t), IPV6_PREFER_SRC_DEFAULT },
{ MCAST_JOIN_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP,
(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_req),
-1 /* not initialized */ },
{ MCAST_LEAVE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP,
(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_req),
-1 /* not initialized */ },
{ MCAST_BLOCK_SOURCE, IPPROTO_IPV6, OA_X, OA_X, OP_NP,
(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req),
-1 /* not initialized */ },
{ MCAST_UNBLOCK_SOURCE, IPPROTO_IPV6, OA_X, OA_X, OP_NP,
(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req),
-1 /* not initialized */ },
{ MCAST_JOIN_SOURCE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP,
(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req),
-1 /* not initialized */ },
{ MCAST_LEAVE_SOURCE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP,
(OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req),
-1 /* not initialized */ },
};
#define IP_OPT_ARR_CNT A_CNT(ip_opt_arr)
/*
* Initialize option database object for IP
*
* This object represents database of options to search passed to
* {sock,tpi}optcom_req() interface routine to take care of option
* management and associated methods.
*/
optdb_obj_t ip_opt_obj = {
ip_opt_default, /* IP default value function pointer */
ip_opt_get, /* IP get function pointer */
ip_opt_set, /* IP set function pointer */
B_FALSE, /* IP is NOT a tpi provider */
IP_OPT_ARR_CNT, /* IP option database count of entries */
ip_opt_arr, /* IP option database */
0, /* 0 - not needed if not top tpi provider */
(optlevel_t *)0 /* null - not needed if not top tpi provider */
};