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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 2002-2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _IPP_IPP_IMPL_H
#define _IPP_IPP_IMPL_H
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* IP Policy Framework (IPPF) implementation detail.
*
* WARNING: Everything in this file is private, belonging to the IPPF
* subsystem. The interfaces and declarations made here are subject
* to change.
*/
#include <sys/stream.h>
#include <sys/thread.h>
#include <ipp/ipp.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifdef _KERNEL
#define IPP_ALIGN 64
#define IPP_NBUCKET 23
#define IPP_LOG2NACTION 16
#define IPP_NACTION (1 << IPP_LOG2NACTION)
#define IPP_LOG2NMOD 6
#define IPP_NMOD (1 << IPP_LOG2NMOD)
#define IPP_NCLASS 5
#define IPP_NLOG IPP_NMOD
typedef struct ipp_ref ipp_ref_t;
struct ipp_ref {
ipp_ref_t *ippr_nextp;
uint_t ippr_count;
union {
ipp_mod_t *u_mod;
ipp_action_t *u_action;
void *u_ptr;
} ippr_u;
};
#define ippr_action ippr_u.u_action
#define ippr_mod ippr_u.u_mod
#define ippr_ptr ippr_u.u_ptr
typedef enum {
IPP_MODSTATE_PROTO = 0x10,
IPP_MODSTATE_AVAILABLE
} ipp_modstate_t;
struct ipp_mod {
ipp_mod_id_t ippm_id;
ipp_ops_t *ippm_ops;
ipp_ref_t *ippm_action;
ipp_modstate_t ippm_state;
krwlock_t ippm_lock[1];
uint32_t ippm_hold_count;
boolean_t ippm_destruct_pending;
char ippm_name[MAXNAMELEN];
};
typedef enum {
IPP_ASTATE_PROTO = 0x20,
IPP_ASTATE_CONFIG_PENDING,
IPP_ASTATE_AVAILABLE
} ipp_astate_t;
typedef struct cfglock {
kmutex_t cl_mutex[1];
kcondvar_t cl_cv[1];
uint_t cl_writers;
boolean_t cl_reader;
kthread_id_t cl_owner;
} cfglock_t;
#ifndef __lint
#define CL_READ 0
#define CL_WRITE 1
#define CONFIG_LOCK_INIT(_clp) \
{ \
mutex_init((_clp)->cl_mutex, NULL, MUTEX_DEFAULT, \
(void *)ipltospl(LOCK_LEVEL)); \
cv_init((_clp)->cl_cv, NULL, CV_DEFAULT, NULL); \
}
#define CONFIG_LOCK_FINI(_clp) \
{ \
mutex_destroy((_clp)->cl_mutex); \
cv_destroy((_clp)->cl_cv); \
}
#define CONFIG_LOCK_ENTER(_clp, _rw) \
{ \
mutex_enter((_clp)->cl_mutex); \
if ((_rw) == CL_WRITE) { \
while ((_clp)->cl_reader || \
((_clp)->cl_owner != NULL && \
(_clp)->cl_owner != curthread)) \
cv_wait((_clp)->cl_cv, \
(_clp)->cl_mutex); \
(_clp)->cl_owner = curthread; \
(_clp)->cl_writers++; \
} \
else if ((_rw) == CL_READ) { \
while ((_clp)->cl_reader || \
(_clp)->cl_writers > 0) { \
ASSERT((_clp)->cl_owner != curthread); \
cv_wait((_clp)->cl_cv, \
(_clp)->cl_mutex); \
} \
(_clp)->cl_owner = curthread; \
(_clp)->cl_reader = B_TRUE; \
} \
mutex_exit((_clp)->cl_mutex); \
}
#define CONFIG_LOCK_EXIT(_clp) \
{ \
mutex_enter((_clp)->cl_mutex); \
if ((_clp)->cl_reader) { \
(_clp)->cl_reader = B_FALSE; \
(_clp)->cl_owner = NULL; \
cv_broadcast((_clp)->cl_cv); \
} else { \
ASSERT((_clp)->cl_writers != 0); \
(_clp)->cl_writers--; \
if ((_clp)->cl_writers == 0) { \
(_clp)->cl_owner = NULL; \
cv_broadcast((_clp)->cl_cv); \
} \
} \
mutex_exit((_clp)->cl_mutex); \
}
#else /* __lint */
#define CONFIG_LOCK_INIT(_clp)
#define CONFIG_LOCK_FINI(_clp)
#define CONFIG_LOCK_ENTER(_clp, _rw)
#define CONFIG_LOCK_EXIT(_clp)
#endif /* __lint */
struct ipp_action {
ipp_action_id_t ippa_id;
ipp_mod_t *ippa_mod;
ipp_ref_t *ippa_ref;
ipp_ref_t *ippa_refby;
void *ippa_ptr;
uint32_t ippa_packets;
ipp_astate_t ippa_state;
krwlock_t ippa_lock[1];
uint32_t ippa_hold_count;
boolean_t ippa_destruct_pending;
cfglock_t ippa_config_lock[1];
boolean_t ippa_nameless;
char ippa_name[MAXNAMELEN];
ipp_ref_t **ippa_condemned;
};
struct ipp_class {
ipp_action_id_t ippc_aid;
char ippc_name[MAXNAMELEN];
};
struct ipp_log {
ipp_action_id_t ippl_aid;
timespec_t ippl_begin;
timespec_t ippl_end;
char ippl_name[MAXNAMELEN];
};
typedef struct ipp_stat_impl ipp_stat_impl_t;
struct ipp_stat_impl {
void *ippsi_data;
kstat_t *ippsi_ksp;
int ippsi_limit;
int ippsi_count;
int (*ippsi_update)(ipp_stat_t *, void *, int);
void *ippsi_arg;
kmutex_t ippsi_lock[1];
char ippsi_name[MAXNAMELEN];
};
struct ipp_packet {
mblk_t *ippp_data;
ipp_class_t *ippp_class_array;
uint_t ippp_class_limit;
uint_t ippp_class_rindex;
uint_t ippp_class_windex;
ipp_log_t *ippp_log;
uint_t ippp_log_limit;
uint_t ippp_log_windex;
void *ippp_private;
void (*ippp_private_free)(void *);
};
extern void ipp_init(void);
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _IPP_IPP_IMPL_H */
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