e5f61c6580
Eliminate bpf_buffer_alloc() and allocate BPF buffers on descriptor creation and BIOCSBLEN ioctl. This permits us not to allocate buffers inside bpf_attachd() which is protected by global lock. Approved by: kib(mentor) MFC in: 4 weeks
50 lines
2.0 KiB
C
50 lines
2.0 KiB
C
/*-
|
|
* 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _NET_BPF_BUFFER_H_
|
|
#define _NET_BPF_BUFFER_H_
|
|
|
|
#ifndef _KERNEL
|
|
#error "no user-serviceable parts inside"
|
|
#endif
|
|
|
|
void bpf_buffer_append_bytes(struct bpf_d *d, caddr_t buf, u_int offset,
|
|
void *src, u_int len);
|
|
void bpf_buffer_append_mbuf(struct bpf_d *d, caddr_t buf, u_int offset,
|
|
void *src, u_int len);
|
|
void bpf_buffer_free(struct bpf_d *d);
|
|
void bpf_buffer_init(struct bpf_d *d);
|
|
int bpf_buffer_ioctl_sblen(struct bpf_d *d, u_int *i);
|
|
int bpf_buffer_uiomove(struct bpf_d *d, caddr_t buf, u_int len,
|
|
struct uio *uio);
|
|
|
|
#endif /* !_NET_BPF_BUFFER_H_ */
|