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/*
* 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_xtiopt.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 <inet/optcom.h>
extern int tcp_opt_default(queue_t *q, int level, int name, uchar_t *ptr);
extern int tcp_opt_get(queue_t *q, int level, int name, uchar_t *ptr);
extern int tcp_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 *thisdg_attrs, cred_t *cr, mblk_t *mblk);
/*
* Table of all known options handled on a TCP protocol stack.
*
* Note: This table contains options processed by both TCP and IP levels
* and is the superset of options that can be performed on a TCP over IP
* stack.
*/
opdes_t tcp_opt_arr[] = {
{ SO_LINGER, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (struct linger), 0 },
{ SO_DEBUG, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
{ SO_KEEPALIVE, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
{ SO_DONTROUTE, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
{ SO_USELOOPBACK, 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_OOBINLINE, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
{ SO_TYPE, SOL_SOCKET, OA_R, OA_R, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
{ SO_SNDBUF, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
{ SO_RCVBUF, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
{ SO_DGRAM_ERRIND, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0
},
{ SO_SND_COPYAVOID, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 },
{ SO_ANON_MLP, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int),
0 },
{ SO_MAC_EXEMPT, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int),
0 },
{ TCP_NODELAY, IPPROTO_TCP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0
},
{ TCP_MAXSEG, IPPROTO_TCP, OA_R, OA_R, OP_NP, OP_PASSNEXT, sizeof (uint_t),
536 },
{ TCP_NOTIFY_THRESHOLD, IPPROTO_TCP, OA_RW, OA_RW, OP_NP,
(OP_PASSNEXT|OP_DEF_FN), sizeof (int), -1 /* not initialized */ },
{ TCP_ABORT_THRESHOLD, IPPROTO_TCP, OA_RW, OA_RW, OP_NP,
(OP_PASSNEXT|OP_DEF_FN), sizeof (int), -1 /* not initialized */ },
{ TCP_CONN_NOTIFY_THRESHOLD, IPPROTO_TCP, OA_RW, OA_RW, OP_NP,
(OP_PASSNEXT|OP_DEF_FN), sizeof (int), -1 /* not initialized */ },
{ TCP_CONN_ABORT_THRESHOLD, IPPROTO_TCP, OA_RW, OA_RW, OP_NP,
(OP_PASSNEXT|OP_DEF_FN), sizeof (int), -1 /* not initialized */ },
{ TCP_RECVDSTADDR, IPPROTO_TCP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int),
0 },
{ TCP_ANONPRIVBIND, IPPROTO_TCP, OA_R, OA_RW, OP_PRIVPORT, OP_PASSNEXT,
sizeof (int), 0 },
{ TCP_EXCLBIND, IPPROTO_TCP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0
},
{ TCP_INIT_CWND, IPPROTO_TCP, OA_RW, OA_RW, OP_CONFIG, OP_PASSNEXT,
sizeof (int), 0 },
{ TCP_KEEPALIVE_THRESHOLD, IPPROTO_TCP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (int), 0 },
{ TCP_KEEPALIVE_ABORT_THRESHOLD, IPPROTO_TCP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (int), 0 },
{ TCP_CORK, IPPROTO_TCP, 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|OP_DEF_FN),
sizeof (int), -1 /* not initialized */ },
{ IP_SEC_OPT, IPPROTO_IP, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_NODEFAULT),
sizeof (ipsec_req_t), -1 /* not initialized */ },
{ IP_BOUND_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (int), 0 /* no ifindex */ },
{ IP_UNSPEC_SRC, IPPROTO_IP, OA_R, OA_RW, OP_RAW, OP_PASSNEXT,
sizeof (int), 0 },
{ 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 */ },
{ IP_NEXTHOP, IPPROTO_IP, OA_RW, OA_RW, OP_CONFIG, OP_PASSNEXT,
sizeof (in_addr_t), -1 /* not initialized */ },
{ IPV6_BOUND_PIF, 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_NEXTHOP, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
(OP_PASSNEXT|OP_NODEFAULT),
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),
sizeof (int), -1 /* not initialized */ },
{ IPV6_PATHMTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP,
(OP_PASSNEXT|OP_NODEFAULT),
sizeof (struct ip6_mtuinfo), -1 /* not initialized */ },
{ IPV6_USE_MIN_MTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
sizeof (int), 0 },
{ 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_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 },
};
/*
* Table of all supported levels
* Note: Some levels (e.g. XTI_GENERIC) may be valid but may not have
* any supported options so we need this info separately.
*
* This is needed only for topmost tpi providers and is used only by
* XTI interfaces.
*/
optlevel_t tcp_valid_levels_arr[] = {
XTI_GENERIC,
SOL_SOCKET,
IPPROTO_TCP,
IPPROTO_IP,
IPPROTO_IPV6
};
#define TCP_OPT_ARR_CNT A_CNT(tcp_opt_arr)
#define TCP_VALID_LEVELS_CNT A_CNT(tcp_valid_levels_arr)
uint_t tcp_max_optsize; /* initialized when TCP driver is loaded */
/*
* Initialize option database object for TCP
*
* 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 tcp_opt_obj = {
tcp_opt_default, /* TCP default value function pointer */
tcp_opt_get, /* TCP get function pointer */
tcp_opt_set, /* TCP set function pointer */
B_TRUE, /* TCP is tpi provider */
TCP_OPT_ARR_CNT, /* TCP option database count of entries */
tcp_opt_arr, /* TCP option database */
TCP_VALID_LEVELS_CNT, /* TCP valid level count of entries */
tcp_valid_levels_arr /* TCP valid level array */
};