/**
* @file
*
* @ingroup rtems_bsd
*
* @brief TODO.
*/
/*
* Copyright (c) 2015, 2017 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* 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.
*/
#ifndef _RTEMS_BSD_ZEROCOPY_H_
#define _RTEMS_BSD_ZEROCOPY_H_
#include <sys/param.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
struct mbuf *rtems_bsd_m_get(int how, short type);
struct mbuf *rtems_bsd_m_gethdr(int how, short type);
void rtems_bsd_m_extaddref(struct mbuf *m, void *buf, size_t size,
u_int *ref_cnt, m_ext_free_t *freef, void *arg1, void *arg2);
void rtems_bsd_m_free(struct mbuf *m);
int rtems_bsd_sendto(int socket, struct mbuf *m, int flags,
const struct sockaddr *dest_addr);
struct ifnet;
typedef void (*rtems_bsd_if_input_init)(struct ifnet *, void *);
typedef void (*rtems_bsd_if_input)(struct ifnet *, struct mbuf *);
/**
* @brief Sets the interface input handler of the specified network interface.
*
* @param ifname The network interface name.
* @param init Initialization routine called right before the new interface
* input handler is registered in the context of the executing thread.
* @param if_input The new interface input handler.
* @param arg The interface input handler argument available via struct
* ifnet::if_input_arg.
*
* @retval NULL An error occurred.
* @retval other The old interface input handler.
*/
rtems_bsd_if_input rtems_bsd_set_if_input(const char *ifname,
rtems_bsd_if_input_init init, rtems_bsd_if_input if_input,
void *arg);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* _RTEMS_BSD_ZEROCOPY_H_ */
