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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1991, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1990 Mentat Inc.
*/
#ifndef _INET_TUNABLES_H
#define _INET_TUNABLES_H
#include <sys/types.h>
#include <net/if.h>
#ifdef _KERNEL
#include <sys/netstack.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
#define MAXPROPNAMELEN 64
/*
* The `mod_ioc_prop_s' datastructure is used as an IOCTL argument for
* SIOCSETPROP and SIOCGETPROP ioctls. This datastructure identifies the
* protocol (`mpr_proto') property (`mpr_name'), which needs to be modified
* or retrieved (`mpr_valsize' and `mpr_val'). If the property applies to an
* interface then `mpr_ifname' contains the name of the interface.
*/
typedef struct mod_ioc_prop_s {
uint_t mpr_version;
uint_t mpr_flags; /* see below */
/* name of the interface (ill) for which property will be applied */
char mpr_ifname[LIFNAMSIZ];
uint_t mpr_proto; /* see below */
char mpr_name[MAXPROPNAMELEN]; /* property name */
uint_t mpr_valsize; /* size of mpr_val */
char mpr_val[1];
} mod_ioc_prop_t;
#define MOD_PROP_VERSION 1
/* permission flags for properties */
#define MOD_PROP_PERM_READ 0x1
#define MOD_PROP_PERM_WRITE 0x2
#define MOD_PROP_PERM_RW (MOD_PROP_PERM_READ|MOD_PROP_PERM_WRITE)
/* mpr_flags values */
#define MOD_PROP_ACTIVE 0x01 /* current value of the property */
#define MOD_PROP_DEFAULT 0x02 /* default value of the property */
#define MOD_PROP_POSSIBLE 0x04 /* possible values for the property */
#define MOD_PROP_PERM 0x08 /* read/write permission for property */
#define MOD_PROP_APPEND 0x10 /* append to multi-valued property */
#define MOD_PROP_REMOVE 0x20 /* remove from multi-valued property */
/* mpr_proto values */
#define MOD_PROTO_NONE 0x00
#define MOD_PROTO_IPV4 0x01 /* property is applicable to IPV4 */
#define MOD_PROTO_IPV6 0x02 /* property is applicable to IPV6 */
#define MOD_PROTO_RAWIP 0x04 /* property is applicable to ICMP */
#define MOD_PROTO_TCP 0x08 /* property is applicable to TCP */
#define MOD_PROTO_UDP 0x10 /* property is applicable to UDP */
#define MOD_PROTO_SCTP 0x20 /* property is applicable to SCTP */
/* property is applicable to both IPV[4|6] */
#define MOD_PROTO_IP (MOD_PROTO_IPV4|MOD_PROTO_IPV6)
#ifdef _KERNEL
typedef struct mod_prop_info_s mod_prop_info_t;
/* set/get property callback functions */
typedef int mod_prop_setf_t(void *, cred_t *, mod_prop_info_t *,
const char *, const void *, uint_t);
typedef int mod_prop_getf_t(void *, mod_prop_info_t *, const char *,
void *val, uint_t, uint_t);
typedef struct mod_propval_uint32_s {
uint32_t mod_propval_umin;
uint32_t mod_propval_umax;
uint32_t mod_propval_ucur;
} mod_propval_uint32_t;
/*
* protocol property information
*/
struct mod_prop_info_s {
char *mpi_name; /* property name */
uint_t mpi_proto; /* property protocol */
mod_prop_setf_t *mpi_setf; /* sets the property value */
mod_prop_getf_t *mpi_getf; /* gets the property value */
/*
* Holds the current value of the property. Whenever applicable
* holds the min/max value too.
*/
union {
mod_propval_uint32_t mpi_uval;
boolean_t mpi_bval;
uint64_t _pad[2];
} u;
/*
* Holds the default value of the property, that is value of
* the property at boot time.
*/
union {
uint32_t mpi_def_uval;
boolean_t mpi_def_bval;
} u_def;
};
/* shortcuts to access current/default values */
#define prop_min_uval u.mpi_uval.mod_propval_umin
#define prop_max_uval u.mpi_uval.mod_propval_umax
#define prop_cur_uval u.mpi_uval.mod_propval_ucur
#define prop_cur_bval u.mpi_bval
#define prop_def_uval u_def.mpi_def_uval
#define prop_def_bval u_def.mpi_def_bval
#define MS 1L
#define SECONDS (1000 * MS)
#define MINUTES (60 * SECONDS)
#define HOURS (60 * MINUTES)
#define DAYS (24 * HOURS)
#define MB (1024 * 1024)
/* Largest TCP/UDP/SCTP port number */
#define ULP_MAX_PORT (64 * 1024 - 1)
/* extra privilege ports for upper layer protocols, tcp, sctp and udp */
#define ULP_DEF_EPRIV_PORT1 2049
#define ULP_DEF_EPRIV_PORT2 4045
/* generic function to set/get global module properties */
extern mod_prop_setf_t mod_set_boolean, mod_set_uint32,
mod_set_aligned, mod_set_extra_privports;
extern mod_prop_getf_t mod_get_boolean, mod_get_uint32,
mod_get_allprop, mod_get_extra_privports;
extern int mod_uint32_value(const void *, mod_prop_info_t *, uint_t,
unsigned long *);
#endif /* _KERNEL */
/*
* End-system model definitions that include the weak/strong end-system
* definitions in RFC 1122, Section 3.3.4.5. IP_WEAK_ES and IP_STRONG_ES
* conform to the corresponding RFC 1122 definitions. The IP_SRC_PRI_ES
* hostmodel is similar to IP_WEAK_ES with one additional enhancement: for
* a packet with source S2, destination D2, the route selection algorithm
* will first attempt to find a route for the destination that goes out
* through an interface where S2 is configured and marked UP. If such
* a route cannot be found, then the best-matching route for D2 will be
* selected, ignoring any mismatches between S2 and the interface addresses
* on the outgoing interface implied by the route.
*/
typedef enum {
IP_WEAK_ES = 0,
IP_SRC_PRI_ES,
IP_STRONG_ES,
IP_MAXVAL_ES
} ip_hostmodel_t;
#ifdef __cplusplus
}
#endif
#endif /* _INET_TUNABLES_H */
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