diff options
Diffstat (limited to 'sys/net/bpf_zerocopy.h')
-rw-r--r-- | sys/net/bpf_zerocopy.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/sys/net/bpf_zerocopy.h b/sys/net/bpf_zerocopy.h new file mode 100644 index 0000000..33d1f25 --- /dev/null +++ b/sys/net/bpf_zerocopy.h @@ -0,0 +1,53 @@ +/*- + * Copyright (c) 2007 Seccuris Inc. + * All rights reserved. + * + * This sofware was developed by Robert N. M. Watson under contract to + * Seccuris Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _NET_BPF_ZEROCOPY_H_ +#define _NET_BPF_ZEROCOPY_H_ + +#ifndef _KERNEL +#error "no user-serviceable parts inside" +#endif + +void bpf_zerocopy_append_bytes(struct bpf_d *d, caddr_t buf, u_int offset, + void *src, u_int len); +void bpf_zerocopy_append_mbuf(struct bpf_d *d, caddr_t buf, u_int offset, + void *src, u_int len); +void bpf_zerocopy_bufheld(struct bpf_d *); +int bpf_zerocopy_canfreebuf(struct bpf_d *); +void bpf_zerocopy_free(struct bpf_d *d); +int bpf_zerocopy_ioctl_getzmax(struct thread *td, struct bpf_d *d, + size_t *i); +int bpf_zerocopy_ioctl_rotzbuf(struct thread *td, struct bpf_d *d, + struct bpf_zbuf *bz); +int bpf_zerocopy_ioctl_setzbuf(struct thread *td, struct bpf_d *d, + struct bpf_zbuf *bz); + +#endif /* !_NET_BPF_ZEROCOPY_H_ */ |