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/*- * Copyright (c) 2007 Seccuris Inc. * All rights reserved. * * This software 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: release/9.1.0/sys/net/bpf_zerocopy.h 234969 2012-05-03 16:48:48Z eadler $ */ #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_buffull(struct bpf_d *); void bpf_zerocopy_bufheld(struct bpf_d *); void bpf_zerocopy_buf_reclaimed(struct bpf_d *); int bpf_zerocopy_canfreebuf(struct bpf_d *); int bpf_zerocopy_canwritebuf(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_ */