90 lines
2.7 KiB
C
90 lines
2.7 KiB
C
|
/*-
|
||
|
* Copyright (c) 2006, Cisco Systems, Inc. All rights reserved.
|
||
|
*
|
||
|
* Redistribution and use in source and binary forms, with or without
|
||
|
* modification, are permitted provided that the following conditions are met:
|
||
|
*
|
||
|
* a) Redistributions of source code must retain the above copyright notice,
|
||
|
* this list of conditions and the following disclaimer.
|
||
|
*
|
||
|
* b) Redistributions in binary form must reproduce the above copyright
|
||
|
* notice, this list of conditions and the following disclaimer in
|
||
|
* the documentation and/or other materials provided with the distribution.
|
||
|
*
|
||
|
* c) Neither the name of Cisco Systems, Inc. nor the names of its
|
||
|
* contributors may be used to endorse or promote products derived
|
||
|
* from this software without specific prior written permission.
|
||
|
*
|
||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
|
||
|
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
||
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
|
||
|
* THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
*/
|
||
|
__FBSDID("$FreeBSD$");
|
||
|
#ifndef __sctp_os_bsd_h__
|
||
|
#define __sctp_os_bsd_h__
|
||
|
|
||
|
/*
|
||
|
* includes
|
||
|
*/
|
||
|
#include <sys/random.h>
|
||
|
|
||
|
|
||
|
/*
|
||
|
*
|
||
|
*/
|
||
|
typedef struct mbuf *sctp_mbuf_t;
|
||
|
|
||
|
/*
|
||
|
* general memory allocation
|
||
|
*/
|
||
|
#define SCTP_MALLOC(var, type, size, name) \
|
||
|
do { \
|
||
|
MALLOC(var, type, size, M_PCB, M_NOWAIT); \
|
||
|
} while (0)
|
||
|
|
||
|
#define SCTP_FREE(var) FREE(var, M_PCB)
|
||
|
|
||
|
#define SCTP_MALLOC_SONAME(var, type, size) \
|
||
|
do { \
|
||
|
MALLOC(var, type, size, M_SONAME, M_WAITOK | M_ZERO); \
|
||
|
} while (0)
|
||
|
|
||
|
#define SCTP_FREE_SONAME(var) FREE(var, M_SONAME)
|
||
|
|
||
|
/*
|
||
|
* zone allocation functions
|
||
|
*/
|
||
|
#include <vm/uma.h>
|
||
|
/* SCTP_ZONE_INIT: initialize the zone */
|
||
|
typedef struct uma_zone *sctp_zone_t;
|
||
|
|
||
|
#define UMA_ZFLAG_FULL 0x0020
|
||
|
#define SCTP_ZONE_INIT(zone, name, size, number) { \
|
||
|
zone = uma_zcreate(name, size, NULL, NULL, NULL, NULL, UMA_ALIGN_PTR,\
|
||
|
UMA_ZFLAG_FULL); \
|
||
|
uma_zone_set_max(zone, number); \
|
||
|
}
|
||
|
|
||
|
/* SCTP_ZONE_GET: allocate element from the zone */
|
||
|
#define SCTP_ZONE_GET(zone) \
|
||
|
uma_zalloc(zone, M_NOWAIT);
|
||
|
|
||
|
/* SCTP_ZONE_FREE: free element from the zone */
|
||
|
#define SCTP_ZONE_FREE(zone, element) \
|
||
|
uma_zfree(zone, element);
|
||
|
|
||
|
/*
|
||
|
* Functions
|
||
|
*/
|
||
|
#define sctp_read_random(buf, len) read_random(buf, len)
|
||
|
|
||
|
#endif
|