[a9153ec] | 1 | /*- |
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| 2 | * Copyright (c) 2007 Seccuris Inc. |
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| 3 | * All rights reserved. |
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| 4 | * |
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[af5333e] | 5 | * This software was developed by Robert N. M. Watson under contract to |
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[a9153ec] | 6 | * Seccuris Inc. |
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| 7 | * |
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| 8 | * Redistribution and use in source and binary forms, with or without |
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| 9 | * modification, are permitted provided that the following conditions |
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| 10 | * are met: |
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| 11 | * 1. Redistributions of source code must retain the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer. |
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| 13 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 14 | * notice, this list of conditions and the following disclaimer in the |
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| 15 | * documentation and/or other materials provided with the distribution. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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| 18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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| 21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 27 | * SUCH DAMAGE. |
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| 28 | * |
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| 29 | * $FreeBSD$ |
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| 30 | */ |
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| 31 | |
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[e599318] | 32 | #ifndef _NET_BPF_ZEROCOPY_H_ |
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| 33 | #define _NET_BPF_ZEROCOPY_H_ |
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[a9153ec] | 34 | |
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| 35 | #ifndef _KERNEL |
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| 36 | #error "no user-serviceable parts inside" |
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| 37 | #endif |
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| 38 | |
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| 39 | void bpf_zerocopy_append_bytes(struct bpf_d *d, caddr_t buf, u_int offset, |
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| 40 | void *src, u_int len); |
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| 41 | void bpf_zerocopy_append_mbuf(struct bpf_d *d, caddr_t buf, u_int offset, |
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| 42 | void *src, u_int len); |
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| 43 | void bpf_zerocopy_buffull(struct bpf_d *); |
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| 44 | void bpf_zerocopy_bufheld(struct bpf_d *); |
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| 45 | void bpf_zerocopy_buf_reclaimed(struct bpf_d *); |
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| 46 | int bpf_zerocopy_canfreebuf(struct bpf_d *); |
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| 47 | int bpf_zerocopy_canwritebuf(struct bpf_d *); |
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| 48 | void bpf_zerocopy_free(struct bpf_d *d); |
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| 49 | int bpf_zerocopy_ioctl_getzmax(struct thread *td, struct bpf_d *d, |
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| 50 | size_t *i); |
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| 51 | int bpf_zerocopy_ioctl_rotzbuf(struct thread *td, struct bpf_d *d, |
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| 52 | struct bpf_zbuf *bz); |
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| 53 | int bpf_zerocopy_ioctl_setzbuf(struct thread *td, struct bpf_d *d, |
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| 54 | struct bpf_zbuf *bz); |
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| 55 | |
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[e599318] | 56 | #endif /* !_NET_BPF_ZEROCOPY_H_ */ |
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