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tap-linux.h

tap-linux.h 2.0 KB
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  1. /*
    2. 

  2.  *  Universal TUN/TAP device driver.
    3. 

  3.  *  Copyright (C) 1999-2000 Maxim Krasnyansky <max_mk@yahoo.com>
    4. 

  4.  *
    5. 

  5.  *  This program is free software; you can redistribute it and/or modify
    6. 

  6.  *  it under the terms of the GNU General Public License as published by
    7. 

  7.  *  the Free Software Foundation; either version 2 of the License, or
    8. 

  8.  *  (at your option) any later version.
    9. 

  9.  *
    10. 

  10.  *  This program is distributed in the hope that it will be useful,
    11. 

  11.  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
    12. 

  12.  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    13. 

  13.  *  GNU General Public License for more details.
    14. 

  14.  */
    15. 

  15. 

  16. #ifndef QEMU_TAP_LINUX_H
    17. 

  17. #define QEMU_TAP_LINUX_H
    18. 

  18. 

  19. #ifdef __linux__
    20. 

  20. 

  21. #include <linux/ioctl.h>
    22. 

  22. 

  23. /* Ioctl defines */
    24. 

  24. #define TUNSETIFF     _IOW('T', 202, int)
    25. 

  25. #define TUNGETFEATURES _IOR('T', 207, unsigned int)
    26. 

  26. #define TUNSETOFFLOAD  _IOW('T', 208, unsigned int)
    27. 

  27. #define TUNGETIFF      _IOR('T', 210, unsigned int)
    28. 

  28. #define TUNSETSNDBUF   _IOW('T', 212, int)
    29. 

  29. #define TUNGETVNETHDRSZ _IOR('T', 215, int)
    30. 

  30. #define TUNSETVNETHDRSZ _IOW('T', 216, int)
    31. 

  31. #define TUNSETQUEUE  _IOW('T', 217, int)
    32. 

  32. #define TUNSETVNETLE _IOW('T', 220, int)
    33. 

  33. #define TUNSETVNETBE _IOW('T', 222, int)
    34. 

  34. #define TUNSETSTEERINGEBPF _IOR('T', 224, int)
    35. 

  35. 

  36. #endif
    37. 

  37. 

  38. /* TUNSETIFF ifr flags */
    39. 

  39. #define IFF_TAP          0x0002
    40. 

  40. #define IFF_NO_PI        0x1000
    41. 

  41. #define IFF_ONE_QUEUE    0x2000
    42. 

  42. #define IFF_VNET_HDR     0x4000
    43. 

  43. #define IFF_MULTI_QUEUE  0x0100
    44. 

  44. #define IFF_ATTACH_QUEUE 0x0200
    45. 

  45. #define IFF_DETACH_QUEUE 0x0400
    46. 

  46. 

  47. /* Features for GSO (TUNSETOFFLOAD). */
    48. 

  48. #define TUN_F_CSUM    0x01    /* You can hand me unchecksummed packets. */
    49. 

  49. #define TUN_F_TSO4    0x02    /* I can handle TSO for IPv4 packets */
    50. 

  50. #define TUN_F_TSO6    0x04    /* I can handle TSO for IPv6 packets */
    51. 

  51. #define TUN_F_TSO_ECN 0x08    /* I can handle TSO with ECN bits. */
    52. 

  52. #define TUN_F_UFO     0x10    /* I can handle UFO packets */
    53. 

  53. #define TUN_F_USO4    0x20    /* I can handle USO for IPv4 packets */
    54. 

  54. #define TUN_F_USO6    0x40    /* I can handle USO for IPv6 packets */
    55. 

  55. 

  56. #endif /* QEMU_TAP_LINUX_H */
    57.