bcmf_utils.h 3.1 KB

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  1. /****************************************************************************
  2. * drivers/wireless/ieee80211/bcmf_utils.h
  3. *
  4. * Copyright (C) 2017 Gregory Nutt. All rights reserved.
  5. * Author: Simon Piriou <spiriou31@gmail.com>
  6. *
  7. * Redistribution and use in source and binary forms, with or without
  8. * modification, are permitted provided that the following conditions
  9. * are met:
  10. *
  11. * 1. Redistributions of source code must retain the above copyright
  12. * notice, this list of conditions and the following disclaimer.
  13. * 2. Redistributions in binary form must reproduce the above copyright
  14. * notice, this list of conditions and the following disclaimer in
  15. * the documentation and/or other materials provided with the
  16. * distribution.
  17. * 3. Neither the name NuttX nor the names of its contributors may be
  18. * used to endorse or promote products derived from this software
  19. * without specific prior written permission.
  20. *
  21. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24. * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  25. * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  27. * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
  28. * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  29. * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  31. * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  32. * POSSIBILITY OF SUCH DAMAGE.
  33. *
  34. ****************************************************************************/
  35. #ifndef __DRIVERS_WIRELESS_IEEE80211_BCMF_UTILS_H
  36. #define __DRIVERS_WIRELESS_IEEE80211_BCMF_UTILS_H
  37. /****************************************************************************
  38. * Included Files
  39. ****************************************************************************/
  40. #include <stdint.h>
  41. #include <semaphore.h>
  42. #include <queue.h>
  43. #define container_of(ptr, type, member) \
  44. (type *)((uint8_t *)(ptr) - offsetof(type, member))
  45. #ifndef min
  46. #define min(a,b) ((a) < (b) ? (a) : (b))
  47. #endif
  48. #ifndef max
  49. #define max(a,b) ((a) > (b) ? (a) : (b))
  50. #endif
  51. /****************************************************************************
  52. * Public Function Prototypes
  53. ****************************************************************************/
  54. void bcmf_hexdump(uint8_t *data, unsigned int len, unsigned long offset);
  55. int bcmf_sem_wait(sem_t *sem, unsigned int timeout_ms);
  56. dq_entry_t *bcmf_dqueue_pop_tail(dq_queue_t *queue);
  57. void bcmf_dqueue_push(dq_queue_t *queue, dq_entry_t *entry);
  58. static inline uint16_t bcmf_getle16(uint16_t *val)
  59. {
  60. uint8_t *valb = (uint8_t *)val;
  61. return (uint16_t)valb[0] << 8 | (uint16_t)valb[1];
  62. }
  63. static inline uint16_t bcmf_getle32(uint32_t *val)
  64. {
  65. uint16_t *valw = (uint16_t *)val;
  66. return (uint32_t)bcmf_getle16(valw) << 16 | bcmf_getle16(valw + 1);
  67. }
  68. #endif /* __DRIVERS_WIRELESS_IEEE80211_BCMF_UTILS_H */