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 2008 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 rts_proto; /* SO_PROTOTYPE "socket" option. */ 75 uint_t rts_debug : 1, /* SO_DEBUG "socket" option. */ 76 rts_dontroute : 1, /* SO_DONTROUTE "socket" option. */ 77 rts_broadcast : 1, /* SO_BROADCAST "socket" option. */ 78 rts_reuseaddr : 1, /* SO_REUSEADDR "socket" option. */ 79 rts_useloopback : 1, /* SO_USELOOPBACK "socket" option. */ 80 rts_multicast_loop : 1, /* IP_MULTICAST_LOOP option */ 81 rts_hdrincl : 1, /* IP_HDRINCL option + RAW and IGMP */ 82 83 : 0; 84 rts_stack_t *rts_rtss; 85 86 /* Written to only once at the time of opening the endpoint */ 87 conn_t *rts_connp; 88 89 /* Outbound flow control */ 90 size_t rts_xmit_hiwat; 91 size_t rts_xmit_lowat; 92 93 /* Inbound flow control */ 94 size_t rts_recv_hiwat; 95 size_t rts_recv_lowat; 96 97 kmutex_t rts_send_mutex; 98 kmutex_t rts_recv_mutex; 99 kcondvar_t rts_send_cv; 100 kcondvar_t rts_io_cv; 101 } rts_t; 102 103 #define RTS_WPUT_PENDING 0x1 /* Waiting for write-side to complete */ 104 #define RTS_REQ_PENDING 0x1 /* For direct sockets */ 105 #define RTS_WRW_PENDING 0x2 /* Routing socket write in progress */ 106 #define RTS_REQ_INPROG 0x2 /* For direct sockets */ 107 108 /* 109 * Object to represent database of options to search passed to 110 * {sock,tpi}optcom_req() interface routine to take care of option 111 * management and associated methods. 112 * XXX. These and other externs should really move to a rts header. 113 */ 114 extern optdb_obj_t rts_opt_obj; 115 extern uint_t rts_max_optsize; 116 117 extern void rts_ddi_g_init(void); 118 extern void rts_ddi_g_destroy(void); 119 120 extern int rts_tpi_opt_get(queue_t *, t_scalar_t, t_scalar_t, uchar_t *); 121 extern int rts_tpi_opt_set(queue_t *, uint_t, int, int, uint_t, uchar_t *, 122 uint_t *, uchar_t *, void *, cred_t *, mblk_t *); 123 extern int rts_opt_default(queue_t *q, t_scalar_t level, t_scalar_t name, 124 uchar_t *ptr); 125 126 extern sock_lower_handle_t rts_create(int, int, int, sock_downcalls_t **, 127 uint_t *, int *, int, cred_t *); 128 129 extern sock_downcalls_t sock_rts_downcalls; 130 131 #endif /* _KERNEL */ 132 133 #ifdef __cplusplus 134 } 135 #endif 136 137 #endif /* _RTS_IMPL_H */ 138