1 | /* |
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2 | * Copyright (c) 2014 embedded brains GmbH. All rights reserved. |
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3 | * |
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4 | * embedded brains GmbH |
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5 | * Dornierstr. 4 |
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6 | * 82178 Puchheim |
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7 | * Germany |
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8 | * <rtems@embedded-brains.de> |
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9 | * |
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10 | * Redistribution and use in source and binary forms, with or without |
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11 | * modification, are permitted provided that the following conditions |
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12 | * are met: |
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13 | * 1. Redistributions of source code must retain the above copyright |
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14 | * notice, this list of conditions and the following disclaimer. |
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15 | * 2. Redistributions in binary form must reproduce the above copyright |
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16 | * notice, this list of conditions and the following disclaimer in the |
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17 | * documentation and/or other materials provided with the distribution. |
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18 | * |
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19 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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29 | * SUCH DAMAGE. |
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30 | */ |
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31 | |
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32 | #ifndef _RTEMS_BSD_UTIL_H_ |
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33 | #define _RTEMS_BSD_UTIL_H_ |
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34 | |
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35 | #include <sys/types.h> |
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36 | |
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37 | #include <net/if.h> |
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38 | #include <net/if_arp.h> |
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39 | #include <net/ethernet.h> |
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40 | |
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41 | #include <stdint.h> |
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42 | |
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43 | #include <rtems.h> |
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44 | |
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45 | #ifdef __cplusplus |
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46 | extern "C" { |
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47 | #endif /* __cplusplus */ |
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48 | |
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49 | /** |
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50 | * @brief Gets the Ethernet address of an interface identified by its name. |
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51 | * |
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52 | * This function uses getifaddrs(). The interface type is not checked, so it |
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53 | * is only safe to use this function for Ethernet type interfaces. |
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54 | * |
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55 | * @param[in] ifname The name of the interface. |
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56 | * @parma[out] eaddr The Ethernet address of this interface. |
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57 | * |
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58 | * @retval 0 Successful operation. |
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59 | * @retval -1 An error occurred. The errno is set to indicate the error. |
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60 | */ |
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61 | int |
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62 | rtems_bsd_get_ethernet_addr(const char *ifname, uint8_t eaddr[ETHER_ADDR_LEN]); |
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63 | |
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64 | typedef void (*rtems_bsd_arp_processor)(void *arg, int fd, |
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65 | const uint8_t eaddr[ETHER_ADDR_LEN], const struct arphdr *ar, |
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66 | uint32_t spa, uint32_t tpa, const uint8_t *sha, const uint8_t *tha); |
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67 | |
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68 | typedef struct rtems_bsd_arp_processor_context rtems_bsd_arp_processor_context; |
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69 | |
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70 | rtems_bsd_arp_processor_context * |
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71 | rtems_bsd_arp_processor_create(const char *ifname); |
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72 | |
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73 | int |
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74 | rtems_bsd_arp_processor_get_file_descriptor( |
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75 | const rtems_bsd_arp_processor_context *ctx); |
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76 | |
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77 | int |
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78 | rtems_bsd_arp_processor_process( |
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79 | rtems_bsd_arp_processor_context *ctx, |
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80 | rtems_bsd_arp_processor processor, void *arg); |
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81 | |
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82 | /** |
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83 | * @brief Forces a select() timeout for the specified task. |
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84 | * |
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85 | * In case the specified task waits in a select(), then it is woken up with a |
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86 | * timeout status, otherwise this call has no effect. |
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87 | * |
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88 | * @param[in] task_id The task identifier. |
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89 | * |
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90 | * @retval RTEMS_SUCCESSFUL Successful operation. |
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91 | * @retval RTEMS_INVALID_ID No such task. |
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92 | * |
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93 | * @warning This function may go away once the signal support for condition |
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94 | * variables is implemented. |
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95 | */ |
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96 | rtems_status_code |
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97 | rtems_bsd_force_select_timeout(rtems_id task_id); |
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98 | |
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99 | #ifdef __cplusplus |
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100 | } |
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101 | #endif /* __cplusplus */ |
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102 | |
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103 | #endif /* _RTEMS_BSD_UTIL_H_ */ |
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