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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 /*
     22  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  */
     25 
     26 #include <sys/types.h>
     27 #include <sys/stream.h>
     28 #define	_SUN_TPI_VERSION 2
     29 #include <sys/tihdr.h>
     30 #include <sys/socket.h>
     31 #include <sys/xti_xtiopt.h>
     32 
     33 #include <inet/common.h>
     34 #include <netinet/ip6.h>
     35 #include <inet/ip.h>
     36 
     37 #include <netinet/in.h>
     38 #include <netinet/tcp.h>
     39 #include <netinet/ip_mroute.h>
     40 #include <inet/optcom.h>
     41 #include <inet/rts_impl.h>
     42 
     43 /*
     44  * Table of all known options handled on a RTS protocol stack.
     45  *
     46  * Note: This table contains options processed by both RTS and IP levels
     47  *       and is the superset of options that can be performed on a RTS over IP
     48  *       stack.
     49  */
     50 opdes_t	rts_opt_arr[] = {
     51 
     52 { SO_DEBUG,	SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
     53 { SO_DONTROUTE,	SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
     54 { SO_USELOOPBACK, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int),
     55 	0 },
     56 { SO_BROADCAST,	SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
     57 { SO_REUSEADDR,	SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
     58 { SO_TYPE,	SOL_SOCKET, OA_R, OA_R, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
     59 { SO_SNDBUF,	SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
     60 { SO_RCVBUF,	SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
     61 { SO_SNDTIMEO,	SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
     62 	sizeof (struct timeval), 0 },
     63 { SO_RCVTIMEO,	SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT,
     64 	sizeof (struct timeval), 0 },
     65 { SO_PROTOTYPE,	SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
     66 { SO_DOMAIN,	SOL_SOCKET, OA_R, OA_R, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
     67 { RT_AWARE,	SOL_ROUTE, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 },
     68 };
     69 
     70 /*
     71  * Table of all supported levels
     72  * Note: Some levels (e.g. XTI_GENERIC) may be valid but may not have
     73  * any supported options so we need this info separately.
     74  *
     75  * This is needed only for topmost tpi providers and is used only by
     76  * XTI interfaces.
     77  */
     78 optlevel_t	rts_valid_levels_arr[] = {
     79 	XTI_GENERIC,
     80 	SOL_SOCKET,
     81 	IPPROTO_IP,
     82 	IPPROTO_IPV6
     83 };
     84 
     85 #define	RTS_VALID_LEVELS_CNT	A_CNT(rts_valid_levels_arr)
     86 
     87 #define	RTS_OPT_ARR_CNT		A_CNT(rts_opt_arr)
     88 
     89 uint_t rts_max_optsize; /* initialized in _init() */
     90 
     91 /*
     92  * Intialize option database object for RTS
     93  *
     94  * This object represents database of options to search passed to
     95  * {sock,tpi}optcom_req() interface routine to take care of option
     96  * management and associated methods.
     97  */
     98 
     99 optdb_obj_t rts_opt_obj = {
    100 	rts_opt_default,	/* RTS default value function pointer */
    101 	rts_tpi_opt_get,		/* RTS get function pointer */
    102 	rts_tpi_opt_set,		/* RTS set function pointer */
    103 	B_TRUE,			/* RTS is tpi provider */
    104 	RTS_OPT_ARR_CNT,	/* RTS option database count of entries */
    105 	rts_opt_arr,		/* RTS option database */
    106 	RTS_VALID_LEVELS_CNT,	/* RTS valid level count of entries */
    107 	rts_valid_levels_arr	/* RTS valid level array */
    108 };
    109