include/inet/rts_impl.h

   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 /* Copyright (c) 1990 Mentat Inc. */
  26
  27 #ifndef _RTS_IMPL_H
  28 #define _RTS_IMPL_H
  29
  30 #ifdef  __cplusplus
  31 extern "C" {
  32 #endif
  33
  34 #ifdef _KERNEL
  35
  36 #include <sys/types.h>
  37 #include <sys/netstack.h>
  38
  39 #include <netinet/in.h>
  40 #include <netinet/icmp6.h>
  41 #include <netinet/ip6.h>
  42
  43 #include <inet/common.h>
  44 #include <inet/ip.h>
  45 #include <inet/optcom.h>
  46
  47 /* Named Dispatch Parameter Management Structure */
  48 typedef struct rtsparam_s {
  49         uint_t  rts_param_min;
  50         uint_t  rts_param_max;
  51         uint_t  rts_param_value;
  52         char    *rts_param_name;
  53 } rtsparam_t;
  54
  55 /*
  56  * RTS stack instances
  57  */
  58 struct rts_stack {
  59         netstack_t              *rtss_netstack; /* Common netstack */
  60
  61         caddr_t                 rtss_g_nd;
  62         rtsparam_t              *rtss_params;
  63
  64         ldi_ident_t             rtss_ldi_ident;
  65 };
  66 typedef struct rts_stack rts_stack_t;
  67
  68 /* Internal routing socket stream control structure, one per open stream */
  69 typedef struct rts_s {
  70         krwlock_t       rts_rwlock;     /* Protects most of rts_t */
  71         uint_t  rts_state;              /* Provider interface state */
  72         uint_t  rts_error;              /* Routing socket error code */
  73         uint_t  rts_flag;               /* Pending I/O state */
  74         uint_t
  75                 rts_hdrincl : 1,        /* IP_HDRINCL option + RAW and IGMP */
  76
  77                 : 0;
  78         rts_stack_t     *rts_rtss;
  79
  80         /* Written to only once at the time of opening the endpoint */
  81         conn_t          *rts_connp;
  82
  83         kmutex_t        rts_recv_mutex; /* For recv flow control */
  84 } rts_t;
  85
  86 #define RTS_WPUT_PENDING        0x1     /* Waiting for write-side to complete */
  87 #define RTS_WRW_PENDING         0x2     /* Routing socket write in progress */
  88
  89 /*
  90  * Object to represent database of options to search passed to
  91  * {sock,tpi}optcom_req() interface routine to take care of option
  92  * management and associated methods.
  93  */
  94 extern optdb_obj_t      rts_opt_obj;
  95 extern uint_t           rts_max_optsize;
  96
  97 extern void     rts_ddi_g_init(void);
  98 extern void     rts_ddi_g_destroy(void);
  99
 100 extern int      rts_tpi_opt_get(queue_t *, t_scalar_t, t_scalar_t, uchar_t *);
 101 extern int      rts_tpi_opt_set(queue_t *, uint_t, int, int, uint_t, uchar_t *,
 102                     uint_t *, uchar_t *, void *, cred_t *);
 103 extern int      rts_opt_default(queue_t *q, t_scalar_t level, t_scalar_t name,
 104                     uchar_t *ptr);
 105
 106 extern sock_lower_handle_t rts_create(int, int, int, sock_downcalls_t **,
 107     uint_t *, int *, int, cred_t *);
 108
 109 extern sock_downcalls_t sock_rts_downcalls;
 110
 111 #endif  /* _KERNEL */
 112
 113 #ifdef  __cplusplus
 114 }
 115 #endif
 116
 117 #endif  /* _RTS_IMPL_H */