if_ether.h 1.4 KB

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  1. /*
  2. * Mach Operating System
  3. * Copyright (c) 1991 Carnegie Mellon University
  4. * All Rights Reserved.
  5. *
  6. * Permission to use, copy, modify and distribute this software and its
  7. * documentation is hereby granted, provided that both the copyright
  8. * notice and this permission notice appear in all copies of the
  9. * software, derivative works or modified versions, and any portions
  10. * thereof, and that both notices appear in supporting documentation.
  11. *
  12. * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  13. * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  14. * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  15. *
  16. * Carnegie Mellon requests users of this software to return to
  17. *
  18. * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
  19. * School of Computer Science
  20. * Carnegie Mellon University
  21. * Pittsburgh PA 15213-3890
  22. *
  23. * any improvements or extensions that they make and grant Carnegie Mellon
  24. * the rights to redistribute these changes.
  25. */
  26. /*
  27. * Ethernet definitions.
  28. */
  29. /*
  30. * Author: David B. Golub, Carnegie Mellon University
  31. * Date: 8/89
  32. */
  33. #ifndef _DEVICE_IF_ETHER_H_
  34. #define _DEVICE_IF_ETHER_H_
  35. #include <sys/types.h>
  36. /*
  37. * Structure of a 10Mb/s Ethernet header.
  38. */
  39. struct ether_header {
  40. u_char ether_dhost[6];
  41. u_char ether_shost[6];
  42. u_short ether_type;
  43. };
  44. #ifdef KERNEL
  45. extern char * ether_sprintf(const u_char *);
  46. #endif /* KERNEL */
  47. #endif /*_DEVICE_IF_ETHER_H_*/