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/*
* Copyright (c) 2014 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_UTIL_H_
#define _RTEMS_BSD_UTIL_H_
#include <sys/types.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <net/ethernet.h>
#include <stdint.h>
#include <rtems.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/**
* @brief Gets the Ethernet address of an interface identified by its name.
*
* This function uses getifaddrs(). The interface type is not checked, so it
* is only safe to use this function for Ethernet type interfaces.
*
* @param[in] ifname The name of the interface.
* @parma[out] eaddr The Ethernet address of this interface.
*
* @retval 0 Successful operation.
* @retval -1 An error occurred. The errno is set to indicate the error.
*/
int
rtems_bsd_get_ethernet_addr(const char *ifname, uint8_t eaddr[ETHER_ADDR_LEN]);
typedef void (*rtems_bsd_arp_processor)(void *arg, int fd,
const uint8_t eaddr[ETHER_ADDR_LEN], const struct arphdr *ar,
uint32_t spa, uint32_t tpa, const uint8_t *sha, const uint8_t *tha);
typedef struct rtems_bsd_arp_processor_context rtems_bsd_arp_processor_context;
rtems_bsd_arp_processor_context *
rtems_bsd_arp_processor_create(const char *ifname);
int
rtems_bsd_arp_processor_get_file_descriptor(
const rtems_bsd_arp_processor_context *ctx);
int
rtems_bsd_arp_processor_process(
rtems_bsd_arp_processor_context *ctx,
rtems_bsd_arp_processor processor, void *arg);
/**
* @brief Forces a select() timeout for the specified task.
*
* In case the specified task waits in a select(), then it is woken up with a
* timeout status, otherwise this call has no effect.
*
* @param[in] task_id The task identifier.
*
* @retval RTEMS_SUCCESSFUL Successful operation.
* @retval RTEMS_INVALID_ID No such task.
*
* @warning This function may go away once the signal support for condition
* variables is implemented.
*/
rtems_status_code
rtems_bsd_force_select_timeout(rtems_id task_id);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* _RTEMS_BSD_UTIL_H_ */
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