ethernet.h 1.8 KB

1234567891011121314151617181920212223242526272829303132333435363738394041
  1. /******************************************************************************
  2. *
  3. * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
  4. *
  5. * This program is free software; you can redistribute it and/or modify it
  6. * under the terms of version 2 of the GNU General Public License as
  7. * published by the Free Software Foundation.
  8. *
  9. * This program is distributed in the hope that it will be useful, but WITHOUT
  10. * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11. * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  12. * more details.
  13. *
  14. * You should have received a copy of the GNU General Public License along with
  15. * this program; if not, write to the Free Software Foundation, Inc.,
  16. * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17. *
  18. *
  19. ******************************************************************************/
  20. /*! \file */
  21. #ifndef __INC_ETHERNET_H
  22. #define __INC_ETHERNET_H
  23. #define ETHERNET_ADDRESS_LENGTH 6 /* !< Ethernet Address Length */
  24. #define ETHERNET_HEADER_SIZE 14 /* !< Ethernet Header Length */
  25. #define LLC_HEADER_SIZE 6 /* !< LLC Header Length */
  26. #define TYPE_LENGTH_FIELD_SIZE 2 /* !< Type/Length Size */
  27. #define MINIMUM_ETHERNET_PACKET_SIZE 60 /* !< Minimum Ethernet Packet Size */
  28. #define MAXIMUM_ETHERNET_PACKET_SIZE 1514 /* !< Maximum Ethernet Packet Size */
  29. #define RT_ETH_IS_MULTICAST(_pAddr) ((((UCHAR *)(_pAddr))[0]&0x01) != 0) /* !< Is Multicast Address? */
  30. #define RT_ETH_IS_BROADCAST(_pAddr) (\
  31. ((UCHAR *)(_pAddr))[0] == 0xff && \
  32. ((UCHAR *)(_pAddr))[1] == 0xff && \
  33. ((UCHAR *)(_pAddr))[2] == 0xff && \
  34. ((UCHAR *)(_pAddr))[3] == 0xff && \
  35. ((UCHAR *)(_pAddr))[4] == 0xff && \
  36. ((UCHAR *)(_pAddr))[5] == 0xff) /* !< Is Broadcast Address? */
  37. #endif /* #ifndef __INC_ETHERNET_H */