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57 lines
2.3 KiB
C
57 lines
2.3 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2007 Seccuris Inc.
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* All rights reserved.
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*
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* This software was developed by Robert N. M. Watson under contract to
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* Seccuris Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _NET_BPF_ZEROCOPY_H_
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#define _NET_BPF_ZEROCOPY_H_
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#ifndef _KERNEL
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#error "no user-serviceable parts inside"
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#endif
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void bpf_zerocopy_append_bytes(struct bpf_d *d, caddr_t buf, u_int offset,
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void *src, u_int len);
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void bpf_zerocopy_append_mbuf(struct bpf_d *d, caddr_t buf, u_int offset,
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void *src, u_int len);
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void bpf_zerocopy_buffull(struct bpf_d *);
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void bpf_zerocopy_bufheld(struct bpf_d *);
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void bpf_zerocopy_buf_reclaimed(struct bpf_d *);
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int bpf_zerocopy_canfreebuf(struct bpf_d *);
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int bpf_zerocopy_canwritebuf(struct bpf_d *);
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void bpf_zerocopy_free(struct bpf_d *d);
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int bpf_zerocopy_ioctl_getzmax(struct thread *td, struct bpf_d *d,
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size_t *i);
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int bpf_zerocopy_ioctl_rotzbuf(struct thread *td, struct bpf_d *d,
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struct bpf_zbuf *bz);
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int bpf_zerocopy_ioctl_setzbuf(struct thread *td, struct bpf_d *d,
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struct bpf_zbuf *bz);
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#endif /* !_NET_BPF_ZEROCOPY_H_ */
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