icmpv6_poll.c 3.2 KB

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  1. /****************************************************************************
  2. * net/icmpv6/icmpv6_poll.c
  3. *
  4. * Copyright (C) 2015 Gregory Nutt. All rights reserved.
  5. * Author: Gregory Nutt <gnutt@nuttx.org>
  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. /****************************************************************************
  36. * Included Files
  37. ****************************************************************************/
  38. #include <nuttx/config.h>
  39. #if defined(CONFIG_NET_ICMPv6_SOCKET) || defined(CONFIG_NET_ICMPv6_NEIGHBOR)
  40. #include <semaphore.h>
  41. #include <debug.h>
  42. #include <nuttx/net/netconfig.h>
  43. #include <nuttx/net/netdev.h>
  44. #include <nuttx/net/icmpv6.h>
  45. #include "devif/devif.h"
  46. #include "icmpv6/icmpv6.h"
  47. /****************************************************************************
  48. * Public Functions
  49. ****************************************************************************/
  50. /****************************************************************************
  51. * Name: icmpv6_poll
  52. *
  53. * Description:
  54. * Poll a UDP "connection" structure for availability of TX data
  55. *
  56. * Input Parameters:
  57. * dev - The device driver structure to use in the send operation
  58. *
  59. * Returned Value:
  60. * None
  61. *
  62. * Assumptions:
  63. * The network is locked.
  64. *
  65. ****************************************************************************/
  66. void icmpv6_poll(FAR struct net_driver_s *dev)
  67. {
  68. /* Setup for the application callback */
  69. dev->d_appdata = &dev->d_buf[NET_LL_HDRLEN(dev) + IPICMPv6_HDRLEN];
  70. dev->d_len = 0;
  71. dev->d_sndlen = 0;
  72. /* Perform the application callback */
  73. (void)devif_conn_event(dev, NULL, ICMPv6_POLL, dev->d_conncb);
  74. }
  75. #endif /* CONFIG_NET_ICMPv6_SOCKET || CONFIG_NET_ICMPv6_NEIGHBOR */