xref: /freebsd/sys/netinet/sctp_os_bsd.h (revision 0efd6615cd5f39b67cec82a7034e655f3b5801e3)
1 /*-
2  * Copyright (c) 2006, Cisco Systems, Inc. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are met:
6  *
7  * a) Redistributions of source code must retain the above copyright notice,
8  *   this list of conditions and the following disclaimer.
9  *
10  * b) Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in
12  *   the documentation and/or other materials provided with the distribution.
13  *
14  * c) Neither the name of Cisco Systems, Inc. nor the names of its
15  *    contributors may be used to endorse or promote products derived
16  *    from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28  * THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
32 #ifndef __sctp_os_bsd_h__
33 #define __sctp_os_bsd_h__
34 
35 /*
36  * includes
37  */
38 #include <sys/random.h>
39 
40 
41 /*
42  *
43  */
44 typedef struct mbuf *sctp_mbuf_t;
45 
46 #define USER_ADDR_NULL	(NULL)	/* FIX ME: temp */
47 
48 /*
49  * general memory allocation
50  */
51 #define SCTP_MALLOC(var, type, size, name) \
52     do { \
53 	MALLOC(var, type, size, M_PCB, M_NOWAIT); \
54     } while (0)
55 
56 #define SCTP_FREE(var)	FREE(var, M_PCB)
57 
58 #define SCTP_MALLOC_SONAME(var, type, size) \
59     do { \
60 	MALLOC(var, type, size, M_SONAME, M_WAITOK | M_ZERO); \
61     } while (0)
62 
63 #define SCTP_FREE_SONAME(var)	FREE(var, M_SONAME)
64 
65 /*
66  * zone allocation functions
67  */
68 #include <vm/uma.h>
69 /* SCTP_ZONE_INIT: initialize the zone */
70 typedef struct uma_zone *sctp_zone_t;
71 
72 #define UMA_ZFLAG_FULL	0x0020
73 #define SCTP_ZONE_INIT(zone, name, size, number) { \
74 	zone = uma_zcreate(name, size, NULL, NULL, NULL, NULL, UMA_ALIGN_PTR,\
75 		UMA_ZFLAG_FULL); \
76 	uma_zone_set_max(zone, number); \
77 }
78 
79 /* SCTP_ZONE_GET: allocate element from the zone */
80 #define SCTP_ZONE_GET(zone) \
81 	uma_zalloc(zone, M_NOWAIT);
82 
83 /* SCTP_ZONE_FREE: free element from the zone */
84 #define SCTP_ZONE_FREE(zone, element) \
85 	uma_zfree(zone, element);
86 
87 /*
88  * Functions
89  */
90 #define sctp_read_random(buf, len)	read_random(buf, len)
91 
92 #endif
93