Home | History | Annotate | Download | only in ip
      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 2007 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  */
     25 
     26 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     27 
     28 #include <sys/types.h>
     29 #include <sys/stream.h>
     30 #define	_SUN_TPI_VERSION 2
     31 #include <sys/tihdr.h>
     32 #include <sys/socket.h>
     33 #include <sys/xti_xtiopt.h>
     34 
     35 #include <inet/common.h>
     36 #include <netinet/ip6.h>
     37 #include <inet/ip.h>
     38 
     39 #include <netinet/in.h>
     40 #include <netinet/tcp.h>
     41 #include <netinet/ip_mroute.h>
     42 #include <inet/optcom.h>
     43 
     44 extern int rts_opt_default(queue_t *q, t_scalar_t level, t_scalar_t name,
     45     uchar_t *ptr);
     46 extern int rts_opt_get(queue_t *q, t_scalar_t level, t_scalar_t name,
     47     uchar_t *ptr);
     48 extern int rts_opt_set(queue_t *q, uint_t optset_context, int level,
     49     int name, uint_t inlen, uchar_t *invalp, uint_t *outlenp,
     50     uchar_t *outvalp, void *thisdg_attrs, cred_t *cr, mblk_t *mblk);
     51 
     52 /*
     53  * Table of all known options handled on a RTS protocol stack.
     54  *
     55  * Note: This table contains options processed by both RTS and IP levels
     56  *       and is the superset of options that can be performed on a RTS over IP
     57  *       stack.
     58  */
     59 opdes_t	rts_opt_arr[] = {
     60 
     61 { SO_DEBUG,	SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
     62 { SO_DONTROUTE,	SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
     63 { SO_USELOOPBACK, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int),
     64 	0 },
     65 { SO_BROADCAST,	SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
     66 { SO_REUSEADDR,	SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
     67 { SO_TYPE,	SOL_SOCKET, OA_R, OA_R, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
     68 { SO_SNDBUF,	SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
     69 { SO_RCVBUF,	SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
     70 { SO_PROTOTYPE,	SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
     71 { SO_DOMAIN,	SOL_SOCKET, OA_R, OA_R, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
     72 };
     73 
     74 /*
     75  * Table of all supported levels
     76  * Note: Some levels (e.g. XTI_GENERIC) may be valid but may not have
     77  * any supported options so we need this info separately.
     78  *
     79  * This is needed only for topmost tpi providers and is used only by
     80  * XTI interfaces.
     81  */
     82 optlevel_t	rts_valid_levels_arr[] = {
     83 	XTI_GENERIC,
     84 	SOL_SOCKET,
     85 	IPPROTO_IP,
     86 	IPPROTO_IPV6
     87 };
     88 
     89 #define	RTS_VALID_LEVELS_CNT	A_CNT(rts_valid_levels_arr)
     90 
     91 #define	RTS_OPT_ARR_CNT		A_CNT(rts_opt_arr)
     92 
     93 uint_t rts_max_optsize; /* initialized in _init() */
     94 
     95 /*
     96  * Intialize option database object for RTS
     97  *
     98  * This object represents database of options to search passed to
     99  * {sock,tpi}optcom_req() interface routine to take care of option
    100  * management and associated methods.
    101  */
    102 
    103 optdb_obj_t rts_opt_obj = {
    104 	rts_opt_default,	/* RTS default value function pointer */
    105 	rts_opt_get,		/* RTS get function pointer */
    106 	rts_opt_set,		/* RTS set function pointer */
    107 	B_TRUE,			/* RTS is tpi provider */
    108 	RTS_OPT_ARR_CNT,	/* RTS option database count of entries */
    109 	rts_opt_arr,		/* RTS option database */
    110 	RTS_VALID_LEVELS_CNT,	/* RTS valid level count of entries */
    111 	rts_valid_levels_arr	/* RTS valid level array */
    112 };
    113