IxEthDBQoS.h 4.4 KB

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  1. /**
  2. * @file IxEthDBQoS.h
  3. *
  4. * @brief Public definitions for QoS traffic classes
  5. *
  6. * @par
  7. * IXP400 SW Release version 2.0
  8. *
  9. * -- Copyright Notice --
  10. *
  11. * @par
  12. * Copyright 2001-2005, Intel Corporation.
  13. * All rights reserved.
  14. *
  15. * @par
  16. * SPDX-License-Identifier: BSD-3-Clause
  17. * @par
  18. * -- End of Copyright Notice --
  19. */
  20. /**
  21. * @defgroup IxEthDBPortDefs IXP400 Ethernet QoS definitions
  22. *
  23. * @brief IXP00 Public definitions for QoS traffic classes
  24. *
  25. * @{
  26. */
  27. #ifndef IxEthDBQoS_H
  28. #define IxEthDBQoS_H
  29. /**
  30. * @def IX_ETH_DB_QUEUE_UNAVAILABLE
  31. * @brief alias to indicate a queue (traffic class) is not available
  32. */
  33. #define IX_ETH_DB_QUEUE_UNAVAILABLE (0)
  34. #ifndef IX_IEEE802_1Q_QOS_PRIORITY_COUNT
  35. /**
  36. * @def IX_IEEE802_1Q_QOS_PRIORITY_COUNT
  37. * @brief number of QoS priorities, according to IEEE 802.1Q
  38. */
  39. #define IX_IEEE802_1Q_QOS_PRIORITY_COUNT (8)
  40. #endif
  41. /**
  42. * @brief array containing all the supported traffic class configurations
  43. */
  44. static const
  45. UINT8 ixEthDBQueueAssignments[][IX_IEEE802_1Q_QOS_PRIORITY_COUNT] =
  46. {
  47. { 4, 5, 6, 7, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE },
  48. { 15, 16, 17, 18, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE },
  49. { 11, 23, 26, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE },
  50. { 4, 5, 6, 7, 8, 9, 10, 11 }
  51. /* add here all other cases of queue configuration structures and update ixEthDBTrafficClassDefinitions to use them */
  52. };
  53. /**
  54. * @brief value used to index the NPE A functionality ID in the traffic class definition table
  55. */
  56. #define IX_ETH_DB_NPE_A_FUNCTIONALITY_ID_INDEX (0)
  57. /**
  58. * @brief value used to index the traffic class count in the traffic class definition table
  59. */
  60. #define IX_ETH_DB_TRAFFIC_CLASS_COUNT_INDEX (1)
  61. /**
  62. * @brief value used to index the queue assignment index in the traffic class definition table
  63. */
  64. #define IX_ETH_DB_QUEUE_ASSIGNMENT_INDEX (2)
  65. /**
  66. * @brief traffic class definitions
  67. *
  68. * This array contains the default traffic class definition configuration,
  69. * as well as any special cases dictated by the functionality ID of NPE A.
  70. *
  71. * The default case should not be removed (otherwise the Ethernet
  72. * components will assert a fatal failure on initialization).
  73. */
  74. static const
  75. UINT8 ixEthDBTrafficClassDefinitions[][3] =
  76. {
  77. /* NPE A functionality ID | traffic class count | queue assignment index (points to the queue enumeration in ixEthDBQueueAssignments) */
  78. { 0x00, 4, 0 }, /* default case - DO NOT REMOVE */
  79. { 0x04, 4, 1 }, /* NPE A image ID 0.4.0.0 */
  80. { 0x09, 3, 2 }, /* NPE A image ID 0.9.0.0 */
  81. { 0x80, 8, 3 }, /* NPE A image ID 10.80.02.0 */
  82. { 0x81, 8, 3 }, /* NPE A image ID 10.81.02.0 */
  83. { 0x82, 8, 3 } /* NPE A image ID 10.82.02.0 */
  84. };
  85. /**
  86. * @brief IEEE 802.1Q recommended QoS Priority => traffic class maps
  87. *
  88. * @verbatim
  89. Number of available traffic classes
  90. 1 2 3 4 5 6 7 8
  91. QoS Priority
  92. 0 0 0 0 1 1 1 1 2
  93. 1 0 0 0 0 0 0 0 0
  94. 2 0 0 0 0 0 0 0 1
  95. 3 0 0 0 1 1 2 2 3
  96. 4 0 1 1 2 2 3 3 4
  97. 5 0 1 1 2 3 4 4 5
  98. 6 0 1 2 3 4 5 5 6
  99. 7 0 1 2 3 4 5 6 7
  100. @endverbatim
  101. */
  102. static const
  103. UINT8 ixEthIEEE802_1QUserPriorityToTrafficClassMapping[IX_IEEE802_1Q_QOS_PRIORITY_COUNT][IX_IEEE802_1Q_QOS_PRIORITY_COUNT] =
  104. {
  105. { 0, 0, 0, 0, 0, 0, 0, 0 }, /* 1 traffic class available */
  106. { 0, 0, 0, 0, 1, 1, 1, 1 }, /* 2 traffic classes available */
  107. { 0, 0, 0, 0, 1, 1, 2, 2 }, /* 3 traffic classes available */
  108. { 1, 0, 0, 1, 2, 2, 3, 3 }, /* 4 traffic classes available */
  109. { 1, 0, 0, 1, 2, 3, 4, 4 }, /* 5 traffic classes available */
  110. { 1, 0, 0, 2, 3, 4, 5, 5 }, /* 6 traffic classes available */
  111. { 1, 0, 0, 2, 3, 4, 5, 6 }, /* 7 traffic classes available */
  112. { 2, 0, 1, 3, 4, 5, 6, 7 } /* 8 traffic classes available */
  113. };
  114. #endif /* IxEthDBQoS_H */
  115. /**
  116. *@}
  117. */