xref: /f-stack/freebsd/net/bpf_buffer.h (revision 22ce4aff)
1a9643ea8Slogwang /*-
2*22ce4affSfengbojiang  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3*22ce4affSfengbojiang  *
4a9643ea8Slogwang  * Copyright (c) 2007 Seccuris Inc.
5a9643ea8Slogwang  * All rights reserved.
6a9643ea8Slogwang  *
7a9643ea8Slogwang  * This software was developed by Robert N. M. Watson under contract to
8a9643ea8Slogwang  * Seccuris Inc.
9a9643ea8Slogwang  *
10a9643ea8Slogwang  * Redistribution and use in source and binary forms, with or without
11a9643ea8Slogwang  * modification, are permitted provided that the following conditions
12a9643ea8Slogwang  * are met:
13a9643ea8Slogwang  * 1. Redistributions of source code must retain the above copyright
14a9643ea8Slogwang  *    notice, this list of conditions and the following disclaimer.
15a9643ea8Slogwang  * 2. Redistributions in binary form must reproduce the above copyright
16a9643ea8Slogwang  *    notice, this list of conditions and the following disclaimer in the
17a9643ea8Slogwang  *    documentation and/or other materials provided with the distribution.
18a9643ea8Slogwang  *
19a9643ea8Slogwang  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20a9643ea8Slogwang  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21a9643ea8Slogwang  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22a9643ea8Slogwang  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23a9643ea8Slogwang  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24a9643ea8Slogwang  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25a9643ea8Slogwang  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26a9643ea8Slogwang  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27a9643ea8Slogwang  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28a9643ea8Slogwang  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29a9643ea8Slogwang  * SUCH DAMAGE.
30a9643ea8Slogwang  *
31a9643ea8Slogwang  * $FreeBSD$
32a9643ea8Slogwang  */
33a9643ea8Slogwang 
34a9643ea8Slogwang #ifndef _NET_BPF_BUFFER_H_
35a9643ea8Slogwang #define	_NET_BPF_BUFFER_H_
36a9643ea8Slogwang 
37a9643ea8Slogwang #ifndef _KERNEL
38a9643ea8Slogwang #error "no user-serviceable parts inside"
39a9643ea8Slogwang #endif
40a9643ea8Slogwang 
41a9643ea8Slogwang void	bpf_buffer_append_bytes(struct bpf_d *d, caddr_t buf, u_int offset,
42a9643ea8Slogwang 	    void *src, u_int len);
43a9643ea8Slogwang void	bpf_buffer_append_mbuf(struct bpf_d *d, caddr_t buf, u_int offset,
44a9643ea8Slogwang 	    void *src, u_int len);
45a9643ea8Slogwang void	bpf_buffer_free(struct bpf_d *d);
46a9643ea8Slogwang void	bpf_buffer_init(struct bpf_d *d);
47a9643ea8Slogwang int	bpf_buffer_ioctl_sblen(struct bpf_d *d, u_int *i);
48a9643ea8Slogwang int	bpf_buffer_uiomove(struct bpf_d *d, caddr_t buf, u_int len,
49a9643ea8Slogwang 	    struct uio *uio);
50a9643ea8Slogwang 
51a9643ea8Slogwang #endif /* !_NET_BPF_BUFFER_H_ */
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