FreeBSD/Linux Kernel Cross Reference
sys/netsmb/mchain.h
1 /*
2 * Copyright (c) 2000, 2001 Boris Popov
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Boris Popov.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * FreeBSD: src/sys/sys/mchain.h,v 1.1 2001/02/24 15:44:30 bp Exp
33 */
34 #ifndef _SYS_MCHAIN_H_
35 #define _SYS_MCHAIN_H_
36
37 #ifdef _KERNEL
38
39 #include <machine/endian.h>
40
41 /*
42 * Type of copy for mb_{put|get}_mem()
43 */
44 #define MB_MSYSTEM 0 /* use bcopy() */
45 #define MB_MUSER 1 /* use copyin()/copyout() */
46 #define MB_MINLINE 2 /* use an inline copy loop */
47 #define MB_MZERO 3 /* bzero(), mb_put_mem only */
48 #define MB_MCUSTOM 4 /* use an user defined function */
49
50 struct mbuf;
51 struct mbchain;
52
53 typedef int mb_copy_t(struct mbchain *mbp, const caddr_t src, caddr_t dst, size_t len);
54
55 struct mbchain {
56 struct mbuf * mb_top; /* head of mbufs chain */
57 struct mbuf * mb_cur; /* current mbuf */
58 int mb_mleft; /* free space in the current mbuf */
59 int mb_count; /* total number of bytes */
60 mb_copy_t * mb_copy; /* user defined copy function */
61 void * mb_udata; /* user data */
62 };
63
64 struct mdchain {
65 struct mbuf * md_top; /* head of mbufs chain */
66 struct mbuf * md_cur; /* current mbuf */
67 u_char * md_pos; /* offset in the current mbuf */
68 };
69
70 int m_fixhdr(struct mbuf *m);
71
72 int mb_init(struct mbchain *mbp);
73 void mb_initm(struct mbchain *mbp, struct mbuf *m);
74 void mb_done(struct mbchain *mbp);
75 struct mbuf *mb_detach(struct mbchain *mbp);
76 int mb_fixhdr(struct mbchain *mbp);
77 caddr_t mb_reserve(struct mbchain *mbp, int size);
78
79 int mb_put_uint8(struct mbchain *mbp, u_int8_t x);
80 int mb_put_uint16be(struct mbchain *mbp, u_int16_t x);
81 int mb_put_uint16le(struct mbchain *mbp, u_int16_t x);
82 int mb_put_uint32be(struct mbchain *mbp, u_int32_t x);
83 int mb_put_uint32le(struct mbchain *mbp, u_int32_t x);
84 int mb_put_int64be(struct mbchain *mbp, int64_t x);
85 int mb_put_int64le(struct mbchain *mbp, int64_t x);
86 int mb_put_mem(struct mbchain *mbp, const char * source, int size, int type);
87 int mb_put_mbuf(struct mbchain *mbp, struct mbuf *m);
88 int mb_put_uio(struct mbchain *mbp, struct uio *uiop, int size);
89
90 int md_init(struct mdchain *mdp);
91 void md_initm(struct mdchain *mbp, struct mbuf *m);
92 void md_done(struct mdchain *mdp);
93 void md_append_record(struct mdchain *mdp, struct mbuf *top);
94 int md_next_record(struct mdchain *mdp);
95 int md_get_uint8(struct mdchain *mdp, u_int8_t *x);
96 int md_get_uint16(struct mdchain *mdp, u_int16_t *x);
97 int md_get_uint16le(struct mdchain *mdp, u_int16_t *x);
98 int md_get_uint16be(struct mdchain *mdp, u_int16_t *x);
99 int md_get_uint32(struct mdchain *mdp, u_int32_t *x);
100 int md_get_uint32be(struct mdchain *mdp, u_int32_t *x);
101 int md_get_uint32le(struct mdchain *mdp, u_int32_t *x);
102 int md_get_int64(struct mdchain *mdp, int64_t *x);
103 int md_get_int64be(struct mdchain *mdp, int64_t *x);
104 int md_get_int64le(struct mdchain *mdp, int64_t *x);
105 int md_get_mem(struct mdchain *mdp, caddr_t target, int size, int type);
106 int md_get_mbuf(struct mdchain *mdp, int size, struct mbuf **m);
107 int md_get_uio(struct mdchain *mdp, struct uio *uiop, int size);
108
109 #endif /* ifdef _KERNEL */
110
111 #endif /* !_SYS_MCHAIN_H_ */
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