source: rtems-libbsd/freebsd/sys/net/bpf_zerocopy.h @ 6d9d7b1

55-freebsd-126-freebsd-12
Last change on this file since 6d9d7b1 was af5333e, checked in by Sebastian Huber <sebastian.huber@…>, on 11/04/13 at 10:33:00

Update to FreeBSD 8.4

  • Property mode set to 100644
File size: 2.3 KB
Line 
1/*-
2 * Copyright (c) 2007 Seccuris Inc.
3 * All rights reserved.
4 *
5 * This software was developed by Robert N. M. Watson under contract to
6 * Seccuris Inc.
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 * $FreeBSD$
30 */
31
32#ifndef _NET_BPF_ZEROCOPY_H_
33#define _NET_BPF_ZEROCOPY_H_
34
35#ifndef _KERNEL
36#error "no user-serviceable parts inside"
37#endif
38
39void    bpf_zerocopy_append_bytes(struct bpf_d *d, caddr_t buf, u_int offset,
40            void *src, u_int len);
41void    bpf_zerocopy_append_mbuf(struct bpf_d *d, caddr_t buf, u_int offset,
42            void *src, u_int len);
43void    bpf_zerocopy_buffull(struct bpf_d *);
44void    bpf_zerocopy_bufheld(struct bpf_d *);
45void    bpf_zerocopy_buf_reclaimed(struct bpf_d *);
46int     bpf_zerocopy_canfreebuf(struct bpf_d *);
47int     bpf_zerocopy_canwritebuf(struct bpf_d *);
48void    bpf_zerocopy_free(struct bpf_d *d);
49int     bpf_zerocopy_ioctl_getzmax(struct thread *td, struct bpf_d *d,
50            size_t *i);
51int     bpf_zerocopy_ioctl_rotzbuf(struct thread *td, struct bpf_d *d,
52            struct bpf_zbuf *bz);
53int     bpf_zerocopy_ioctl_setzbuf(struct thread *td, struct bpf_d *d,
54            struct bpf_zbuf *bz);
55
56#endif /* !_NET_BPF_ZEROCOPY_H_ */
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