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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5 | * This software was developed by Robert N. M. Watson under contract to |
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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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32 | #ifndef _NET_BPF_ZEROCOPY_H_ |
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33 | #define _NET_BPF_ZEROCOPY_H_ |
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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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56 | #endif /* !_NET_BPF_ZEROCOPY_H_ */ |
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