14d621040SChristian S.J. Peron /*- 2*4d846d26SWarner Losh * SPDX-License-Identifier: BSD-2-Clause 3fe267a55SPedro F. Giffuni * 44d621040SChristian S.J. Peron * Copyright (c) 2007 Seccuris Inc. 54d621040SChristian S.J. Peron * All rights reserved. 64d621040SChristian S.J. Peron * 7dde153daSEitan Adler * This software was developed by Robert N. M. Watson under contract to 84d621040SChristian S.J. Peron * Seccuris Inc. 94d621040SChristian S.J. Peron * 104d621040SChristian S.J. Peron * Redistribution and use in source and binary forms, with or without 114d621040SChristian S.J. Peron * modification, are permitted provided that the following conditions 124d621040SChristian S.J. Peron * are met: 134d621040SChristian S.J. Peron * 1. Redistributions of source code must retain the above copyright 144d621040SChristian S.J. Peron * notice, this list of conditions and the following disclaimer. 154d621040SChristian S.J. Peron * 2. Redistributions in binary form must reproduce the above copyright 164d621040SChristian S.J. Peron * notice, this list of conditions and the following disclaimer in the 174d621040SChristian S.J. Peron * documentation and/or other materials provided with the distribution. 184d621040SChristian S.J. Peron * 194d621040SChristian S.J. Peron * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 204d621040SChristian S.J. Peron * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 214d621040SChristian S.J. Peron * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 224d621040SChristian S.J. Peron * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 234d621040SChristian S.J. Peron * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 244d621040SChristian S.J. Peron * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 254d621040SChristian S.J. Peron * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 264d621040SChristian S.J. Peron * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 274d621040SChristian S.J. Peron * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 284d621040SChristian S.J. Peron * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 294d621040SChristian S.J. Peron * SUCH DAMAGE. 304d621040SChristian S.J. Peron */ 314d621040SChristian S.J. Peron 324d621040SChristian S.J. Peron #ifndef _NET_BPF_ZEROCOPY_H_ 334d621040SChristian S.J. Peron #define _NET_BPF_ZEROCOPY_H_ 344d621040SChristian S.J. Peron 354d621040SChristian S.J. Peron #ifndef _KERNEL 364d621040SChristian S.J. Peron #error "no user-serviceable parts inside" 374d621040SChristian S.J. Peron #endif 384d621040SChristian S.J. Peron 394d621040SChristian S.J. Peron void bpf_zerocopy_append_bytes(struct bpf_d *d, caddr_t buf, u_int offset, 404d621040SChristian S.J. Peron void *src, u_int len); 414d621040SChristian S.J. Peron void bpf_zerocopy_append_mbuf(struct bpf_d *d, caddr_t buf, u_int offset, 424d621040SChristian S.J. Peron void *src, u_int len); 43a7a91e65SRobert Watson void bpf_zerocopy_buffull(struct bpf_d *); 444d621040SChristian S.J. Peron void bpf_zerocopy_bufheld(struct bpf_d *); 4529f612ecSChristian S.J. Peron void bpf_zerocopy_buf_reclaimed(struct bpf_d *); 464d621040SChristian S.J. Peron int bpf_zerocopy_canfreebuf(struct bpf_d *); 47a7a91e65SRobert Watson int bpf_zerocopy_canwritebuf(struct bpf_d *); 484d621040SChristian S.J. Peron void bpf_zerocopy_free(struct bpf_d *d); 494d621040SChristian S.J. Peron int bpf_zerocopy_ioctl_getzmax(struct thread *td, struct bpf_d *d, 504d621040SChristian S.J. Peron size_t *i); 514d621040SChristian S.J. Peron int bpf_zerocopy_ioctl_rotzbuf(struct thread *td, struct bpf_d *d, 524d621040SChristian S.J. Peron struct bpf_zbuf *bz); 534d621040SChristian S.J. Peron int bpf_zerocopy_ioctl_setzbuf(struct thread *td, struct bpf_d *d, 544d621040SChristian S.J. Peron struct bpf_zbuf *bz); 554d621040SChristian S.J. Peron 564d621040SChristian S.J. Peron #endif /* !_NET_BPF_ZEROCOPY_H_ */ 57