kernel/netgraph7: Replace usage of MALLOC/FREE with kmalloc/kfree here too.
[dragonfly.git] / sys / netgraph7 / atm / sscfu / ng_sscfu_cust.h
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1/*-
2 * Copyright (c) 2001-2003
3 * Fraunhofer Institute for Open Communication Systems (FhG Fokus).
4 * All rights reserved.
5 *
6 * Author: Harti Brandt <harti@freebsd.org>
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * Customisation of the SSCFU code to ng_sscfu.
30 *
31 * $FreeBSD: src/sys/netgraph/atm/sscfu/ng_sscfu_cust.h,v 1.2 2005/01/07 01:45:41 imp Exp $
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32 * $DragonFly: src/sys/netgraph7/atm/sscfu/ng_sscfu_cust.h,v 1.2 2008/06/26 23:05:39 dillon Exp $
33 * $DragonFly: src/sys/netgraph7/atm/sscfu/ng_sscfu_cust.h,v 1.2 2008/06/26 23:05:39 dillon Exp $
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34 */
35#include <sys/param.h>
36#include <sys/types.h>
37#include <sys/kernel.h>
38#include <sys/mbuf.h>
39#include <sys/queue.h>
40#include <sys/callout.h>
41#include <sys/systm.h>
42#include <sys/malloc.h>
43#include <machine/stdarg.h>
44
45/*
46 * Allocate zeroed or non-zeroed memory of some size and cast it.
47 * Return NULL on failure.
48 */
49#ifndef SSCFU_DEBUG
50
51#define MEMINIT() \
52 MALLOC_DECLARE(M_NG_SSCFU); \
53 DECL_SIGQ_GET
54
55#define MEMZALLOC(PTR, CAST, SIZE) \
5a975a3d 56 ((PTR) = (CAST)kmalloc((SIZE), M_NG_SSCFU, M_WAITOK | M_NULLOK | M_ZERO))
b06ebda0 57#define MEMFREE(PTR) \
5a975a3d 58 kfree(PTR, M_NG_SSCFU)
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59
60#define SIG_ALLOC(PTR) \
61 MEMZALLOC(PTR, struct sscfu_sig *, sizeof(struct sscfu_sig))
62#define SIG_FREE(PTR) \
63 MEMFREE(PTR)
64
65#else
66
67#define MEMINIT() \
68 MALLOC_DEFINE(M_NG_SSCFU_INS, "sscfu_ins", "SSCFU instances"); \
69 MALLOC_DEFINE(M_NG_SSCFU_SIG, "sscfu_sig", "SSCFU signals"); \
70 DECL_SIGQ_GET
71
72#define MEMZALLOC(PTR, CAST, SIZE) \
5a975a3d 73 ((PTR) = (CAST)kmalloc((SIZE), M_NG_SSCFU_INS, M_WAITOK | M_NULLOK | M_ZERO))
b06ebda0 74#define MEMFREE(PTR) \
fc025606 75 kfree(PTR, M_NG_SSCFU_INS)
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76
77#define SIG_ALLOC(PTR) \
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78 ((PTR) = kmalloc(sizeof(struct sscfu_sig), \
79 M_NG_SSCFU_SIG, M_WAITOK | M_NULLOK | M_ZERO))
b06ebda0 80#define SIG_FREE(PTR) \
fc025606 81 kfree(PTR, M_NG_SSCFU_SIG)
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82
83#endif
84
85
86/*
87 * Signal queues
88 */
89typedef TAILQ_ENTRY(sscfu_sig) sscfu_sigq_link_t;
90typedef TAILQ_HEAD(sscfu_sigq, sscfu_sig) sscfu_sigq_head_t;
91#define SIGQ_INIT(Q) TAILQ_INIT(Q)
92#define SIGQ_APPEND(Q, S) TAILQ_INSERT_TAIL(Q, S, link)
93
94#define SIGQ_GET(Q) ng_sscfu_sigq_get((Q))
95
96#define DECL_SIGQ_GET \
97static __inline struct sscfu_sig * \
98ng_sscfu_sigq_get(struct sscfu_sigq *q) \
99{ \
100 struct sscfu_sig *s; \
101 \
102 s = TAILQ_FIRST(q); \
103 if (s != NULL) \
104 TAILQ_REMOVE(q, s, link); \
105 return (s); \
106}
107
108#define SIGQ_CLEAR(Q) \
109 do { \
110 struct sscfu_sig *_s1, *_s2; \
111 \
112 _s1 = TAILQ_FIRST(Q); \
113 while (_s1 != NULL) { \
114 _s2 = TAILQ_NEXT(_s1, link); \
115 if (_s1->m) \
116 MBUF_FREE(_s1->m); \
117 SIG_FREE(_s1); \
118 _s1 = _s2; \
119 } \
120 TAILQ_INIT(Q); \
121 } while (0)
122
123
124/*
125 * Message buffers
126 */
127#define MBUF_FREE(M) m_freem(M)
128
129#ifdef SSCFU_DEBUG
130#define ASSERT(S) KASSERT(S, (#S))
131#else
132#define ASSERT(S)
133#endif