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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 2007 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  */
     25 /* Copyright (c) 1990 Mentat Inc. */
     26 
     27 #ifndef	_RTS_IMPL_H
     28 #define	_RTS_IMPL_H
     29 
     30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     31 
     32 #ifdef	__cplusplus
     33 extern "C" {
     34 #endif
     35 
     36 #ifdef _KERNEL
     37 
     38 #include <sys/types.h>
     39 #include <sys/netstack.h>
     40 
     41 #include <netinet/in.h>
     42 #include <netinet/icmp6.h>
     43 #include <netinet/ip6.h>
     44 
     45 #include <inet/common.h>
     46 #include <inet/ip.h>
     47 
     48 /* Named Dispatch Parameter Management Structure */
     49 typedef struct rtsparam_s {
     50 	uint_t	rts_param_min;
     51 	uint_t	rts_param_max;
     52 	uint_t	rts_param_value;
     53 	char	*rts_param_name;
     54 } rtsparam_t;
     55 
     56 /*
     57  * RTS stack instances
     58  */
     59 struct rts_stack {
     60 	netstack_t		*rtss_netstack;	/* Common netstack */
     61 
     62 	caddr_t			rtss_g_nd;
     63 	rtsparam_t		*rtss_params;
     64 };
     65 typedef struct rts_stack rts_stack_t;
     66 
     67 /* Internal routing socket stream control structure, one per open stream */
     68 typedef	struct rts_s {
     69 	krwlock_t	rts_rwlock;	/* Protects most of rts_t */
     70 	uint_t	rts_state;		/* Provider interface state */
     71 	uint_t	rts_error;		/* Routing socket error code */
     72 	uint_t	rts_flag;		/* Pending I/O state */
     73 	uint_t	rts_proto;		/* SO_PROTOTYPE "socket" option. */
     74 	uint_t	rts_debug : 1,		/* SO_DEBUG "socket" option. */
     75 		rts_dontroute : 1,	/* SO_DONTROUTE "socket" option. */
     76 		rts_broadcast : 1,	/* SO_BROADCAST "socket" option. */
     77 		rts_reuseaddr : 1,	/* SO_REUSEADDR "socket" option. */
     78 		rts_useloopback : 1,	/* SO_USELOOPBACK "socket" option. */
     79 		rts_multicast_loop : 1,	/* IP_MULTICAST_LOOP option */
     80 		rts_hdrincl : 1,	/* IP_HDRINCL option + RAW and IGMP */
     81 
     82 		: 0;
     83 	rts_stack_t	*rts_rtss;
     84 
     85 	/* Written to only once at the time of opening the endpoint */
     86 	conn_t		*rts_connp;
     87 } rts_t;
     88 
     89 #define	RTS_WPUT_PENDING	0x1	/* Waiting for write-side to complete */
     90 #define	RTS_WRW_PENDING		0x2	/* Routing socket write in progress */
     91 
     92 /*
     93  * Object to represent database of options to search passed to
     94  * {sock,tpi}optcom_req() interface routine to take care of option
     95  * management and associated methods.
     96  * XXX. These and other externs should really move to a rts header.
     97  */
     98 extern optdb_obj_t	rts_opt_obj;
     99 extern uint_t		rts_max_optsize;
    100 
    101 extern void	rts_ddi_init(void);
    102 extern void	rts_ddi_destroy(void);
    103 
    104 #endif	/* _KERNEL */
    105 
    106 #ifdef	__cplusplus
    107 }
    108 #endif
    109 
    110 #endif	/* _RTS_IMPL_H */
    111