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https://git.rtems.org/rtems-libbsd/
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104 lines
3.4 KiB
C
104 lines
3.4 KiB
C
/*
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* Copyright (c) 2014 embedded brains GmbH. All rights reserved.
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*
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* embedded brains GmbH
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* Dornierstr. 4
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* 82178 Puchheim
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* Germany
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* <rtems@embedded-brains.de>
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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 _RTEMS_BSD_UTIL_H_
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#define _RTEMS_BSD_UTIL_H_
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#include <sys/types.h>
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#include <net/if.h>
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#include <net/if_arp.h>
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#include <net/ethernet.h>
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#include <stdint.h>
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#include <rtems.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/**
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* @brief Gets the Ethernet address of an interface identified by its name.
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*
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* This function uses getifaddrs(). The interface type is not checked, so it
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* is only safe to use this function for Ethernet type interfaces.
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*
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* @param[in] ifname The name of the interface.
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* @parma[out] eaddr The Ethernet address of this interface.
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*
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* @retval 0 Successful operation.
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* @retval -1 An error occurred. The errno is set to indicate the error.
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*/
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int
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rtems_bsd_get_ethernet_addr(const char *ifname, uint8_t eaddr[ETHER_ADDR_LEN]);
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typedef void (*rtems_bsd_arp_processor)(void *arg, int fd,
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const uint8_t eaddr[ETHER_ADDR_LEN], const struct arphdr *ar,
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uint32_t spa, uint32_t tpa, const uint8_t *sha, const uint8_t *tha);
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typedef struct rtems_bsd_arp_processor_context rtems_bsd_arp_processor_context;
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rtems_bsd_arp_processor_context *
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rtems_bsd_arp_processor_create(const char *ifname);
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int
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rtems_bsd_arp_processor_get_file_descriptor(
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const rtems_bsd_arp_processor_context *ctx);
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int
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rtems_bsd_arp_processor_process(
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rtems_bsd_arp_processor_context *ctx,
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rtems_bsd_arp_processor processor, void *arg);
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/**
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* @brief Forces a select() timeout for the specified task.
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*
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* In case the specified task waits in a select(), then it is woken up with a
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* timeout status, otherwise this call has no effect.
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*
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* @param[in] task_id The task identifier.
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*
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* @retval RTEMS_SUCCESSFUL Successful operation.
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* @retval RTEMS_INVALID_ID No such task.
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*
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* @warning This function may go away once the signal support for condition
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* variables is implemented.
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*/
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rtems_status_code
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rtems_bsd_force_select_timeout(rtems_id task_id);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* _RTEMS_BSD_UTIL_H_ */
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