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 (c) 1991, 2010, Oracle and/or its affiliates. All rights reserved. 23 * Copyright (c) 1990 Mentat Inc. 24 */ 25 26 #ifndef _INET_TUNABLES_H 27 #define _INET_TUNABLES_H 28 29 #include <sys/types.h> 30 #include <net/if.h> 31 #ifdef _KERNEL 32 #include <sys/netstack.h> 33 #endif 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 #define MAXPROPNAMELEN 64 40 41 /* 42 * The `mod_ioc_prop_s' datastructure is used as an IOCTL argument for 43 * SIOCSETPROP and SIOCGETPROP ioctls. This datastructure identifies the 44 * protocol (`mpr_proto') property (`mpr_name'), which needs to be modified 45 * or retrieved (`mpr_valsize' and `mpr_val'). If the property applies to an 46 * interface then `mpr_ifname' contains the name of the interface. 47 */ 48 typedef struct mod_ioc_prop_s { 49 uint_t mpr_version; 50 uint_t mpr_flags; /* see below */ 51 /* name of the interface (ill) for which property will be applied */ 52 char mpr_ifname[LIFNAMSIZ]; 53 uint_t mpr_proto; /* see below */ 54 char mpr_name[MAXPROPNAMELEN]; /* property name */ 55 uint_t mpr_valsize; /* size of mpr_val */ 56 char mpr_val[1]; 57 } mod_ioc_prop_t; 58 59 #define MOD_PROP_VERSION 1 60 61 /* permission flags for properties */ 62 #define MOD_PROP_PERM_READ 0x1 63 #define MOD_PROP_PERM_WRITE 0x2 64 #define MOD_PROP_PERM_RW (MOD_PROP_PERM_READ|MOD_PROP_PERM_WRITE) 65 66 /* mpr_flags values */ 67 #define MOD_PROP_ACTIVE 0x01 /* current value of the property */ 68 #define MOD_PROP_DEFAULT 0x02 /* default value of the property */ 69 #define MOD_PROP_POSSIBLE 0x04 /* possible values for the property */ 70 #define MOD_PROP_PERM 0x08 /* read/write permission for property */ 71 #define MOD_PROP_APPEND 0x10 /* append to multi-valued property */ 72 #define MOD_PROP_REMOVE 0x20 /* remove from multi-valued property */ 73 74 /* mpr_proto values */ 75 #define MOD_PROTO_NONE 0x00 76 #define MOD_PROTO_IPV4 0x01 /* property is applicable to IPV4 */ 77 #define MOD_PROTO_IPV6 0x02 /* property is applicable to IPV6 */ 78 #define MOD_PROTO_RAWIP 0x04 /* property is applicable to ICMP */ 79 #define MOD_PROTO_TCP 0x08 /* property is applicable to TCP */ 80 #define MOD_PROTO_UDP 0x10 /* property is applicable to UDP */ 81 #define MOD_PROTO_SCTP 0x20 /* property is applicable to SCTP */ 82 83 /* property is applicable to both IPV[4|6] */ 84 #define MOD_PROTO_IP (MOD_PROTO_IPV4|MOD_PROTO_IPV6) 85 86 #ifdef _KERNEL 87 88 typedef struct mod_prop_info_s mod_prop_info_t; 89 90 /* set/get property callback functions */ 91 typedef int mod_prop_setf_t(void *, cred_t *, mod_prop_info_t *, 92 const char *, const void *, uint_t); 93 typedef int mod_prop_getf_t(void *, mod_prop_info_t *, const char *, 94 void *val, uint_t, uint_t); 95 96 typedef struct mod_propval_uint32_s { 97 uint32_t mod_propval_umin; 98 uint32_t mod_propval_umax; 99 uint32_t mod_propval_ucur; 100 } mod_propval_uint32_t; 101 102 /* 103 * protocol property information 104 */ 105 struct mod_prop_info_s { 106 char *mpi_name; /* property name */ 107 uint_t mpi_proto; /* property protocol */ 108 mod_prop_setf_t *mpi_setf; /* sets the property value */ 109 mod_prop_getf_t *mpi_getf; /* gets the property value */ 110 /* 111 * Holds the current value of the property. Whenever applicable 112 * holds the min/max value too. 113 */ 114 union { 115 mod_propval_uint32_t mpi_uval; 116 boolean_t mpi_bval; 117 uint64_t _pad[2]; 118 } u; 119 /* 120 * Holds the default value of the property, that is value of 121 * the property at boot time. 122 */ 123 union { 124 uint32_t mpi_def_uval; 125 boolean_t mpi_def_bval; 126 } u_def; 127 }; 128 129 /* shortcuts to access current/default values */ 130 #define prop_min_uval u.mpi_uval.mod_propval_umin 131 #define prop_max_uval u.mpi_uval.mod_propval_umax 132 #define prop_cur_uval u.mpi_uval.mod_propval_ucur 133 #define prop_cur_bval u.mpi_bval 134 #define prop_def_uval u_def.mpi_def_uval 135 #define prop_def_bval u_def.mpi_def_bval 136 137 #define MS 1L 138 #define SECONDS (1000 * MS) 139 #define MINUTES (60 * SECONDS) 140 #define HOURS (60 * MINUTES) 141 #define DAYS (24 * HOURS) 142 143 /* Largest TCP/UDP/SCTP port number */ 144 #define ULP_MAX_PORT (64 * 1024 - 1) 145 146 /* extra privilege ports for upper layer protocols, tcp, sctp and udp */ 147 #define ULP_DEF_EPRIV_PORT1 2049 148 #define ULP_DEF_EPRIV_PORT2 4045 149 150 /* generic function to set/get global module properties */ 151 extern mod_prop_setf_t mod_set_boolean, mod_set_uint32, 152 mod_set_aligned, mod_set_extra_privports; 153 154 extern mod_prop_getf_t mod_get_boolean, mod_get_uint32, 155 mod_get_allprop, mod_get_extra_privports; 156 157 extern int mod_uint32_value(const void *, mod_prop_info_t *, uint_t, 158 unsigned long *); 159 160 #endif /* _KERNEL */ 161 162 /* 163 * End-system model definitions that include the weak/strong end-system 164 * definitions in RFC 1122, Section 3.3.4.5. IP_WEAK_ES and IP_STRONG_ES 165 * conform to the corresponding RFC 1122 definitions. The IP_SRC_PRI_ES 166 * hostmodel is similar to IP_WEAK_ES with one additional enhancement: for 167 * a packet with source S2, destination D2, the route selection algorithm 168 * will first attempt to find a route for the destination that goes out 169 * through an interface where S2 is configured and marked UP. If such 170 * a route cannot be found, then the best-matching route for D2 will be 171 * selected, ignoring any mismatches between S2 and the interface addresses 172 * on the outgoing interface implied by the route. 173 */ 174 typedef enum { 175 IP_WEAK_ES = 0, 176 IP_SRC_PRI_ES, 177 IP_STRONG_ES, 178 IP_MAXVAL_ES 179 } ip_hostmodel_t; 180 181 #ifdef __cplusplus 182 } 183 #endif 184 185 #endif /* _INET_TUNABLES_H */ 186