cvmx-config.h 6.3 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #ifndef __CVMX_CONFIG_H__
  3. #define __CVMX_CONFIG_H__
  4. /************************* Config Specific Defines ************************/
  5. #define CVMX_LLM_NUM_PORTS 1
  6. #define CVMX_NULL_POINTER_PROTECT 1
  7. #define CVMX_ENABLE_DEBUG_PRINTS 1
  8. /* PKO queues per port for interface 0 (ports 0-15) */
  9. #define CVMX_PKO_QUEUES_PER_PORT_INTERFACE0 1
  10. /* PKO queues per port for interface 1 (ports 16-31) */
  11. #define CVMX_PKO_QUEUES_PER_PORT_INTERFACE1 1
  12. /* Limit on the number of PKO ports enabled for interface 0 */
  13. #define CVMX_PKO_MAX_PORTS_INTERFACE0 CVMX_HELPER_PKO_MAX_PORTS_INTERFACE0
  14. /* Limit on the number of PKO ports enabled for interface 1 */
  15. #define CVMX_PKO_MAX_PORTS_INTERFACE1 CVMX_HELPER_PKO_MAX_PORTS_INTERFACE1
  16. /* PKO queues per port for PCI (ports 32-35) */
  17. #define CVMX_PKO_QUEUES_PER_PORT_PCI 1
  18. /* PKO queues per port for Loop devices (ports 36-39) */
  19. #define CVMX_PKO_QUEUES_PER_PORT_LOOP 1
  20. /************************* FPA allocation *********************************/
  21. /* Pool sizes in bytes, must be multiple of a cache line */
  22. #define CVMX_FPA_POOL_0_SIZE (16 * CVMX_CACHE_LINE_SIZE)
  23. #define CVMX_FPA_POOL_1_SIZE (1 * CVMX_CACHE_LINE_SIZE)
  24. #define CVMX_FPA_POOL_2_SIZE (8 * CVMX_CACHE_LINE_SIZE)
  25. #define CVMX_FPA_POOL_3_SIZE (0 * CVMX_CACHE_LINE_SIZE)
  26. #define CVMX_FPA_POOL_4_SIZE (0 * CVMX_CACHE_LINE_SIZE)
  27. #define CVMX_FPA_POOL_5_SIZE (0 * CVMX_CACHE_LINE_SIZE)
  28. #define CVMX_FPA_POOL_6_SIZE (0 * CVMX_CACHE_LINE_SIZE)
  29. #define CVMX_FPA_POOL_7_SIZE (0 * CVMX_CACHE_LINE_SIZE)
  30. /* Pools in use */
  31. /* Packet buffers */
  32. #define CVMX_FPA_PACKET_POOL (0)
  33. #define CVMX_FPA_PACKET_POOL_SIZE CVMX_FPA_POOL_0_SIZE
  34. /* Work queue entries */
  35. #define CVMX_FPA_WQE_POOL (1)
  36. #define CVMX_FPA_WQE_POOL_SIZE CVMX_FPA_POOL_1_SIZE
  37. /* PKO queue command buffers */
  38. #define CVMX_FPA_OUTPUT_BUFFER_POOL (2)
  39. #define CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE CVMX_FPA_POOL_2_SIZE
  40. /************************* FAU allocation ********************************/
  41. /* The fetch and add registers are allocated here. They are arranged
  42. * in order of descending size so that all alignment constraints are
  43. * automatically met. The enums are linked so that the following enum
  44. * continues allocating where the previous one left off, so the
  45. * numbering within each enum always starts with zero. The macros
  46. * take care of the address increment size, so the values entered
  47. * always increase by 1. FAU registers are accessed with byte
  48. * addresses.
  49. */
  50. #define CVMX_FAU_REG_64_ADDR(x) ((x << 3) + CVMX_FAU_REG_64_START)
  51. typedef enum {
  52. CVMX_FAU_REG_64_START = 0,
  53. CVMX_FAU_REG_64_END = CVMX_FAU_REG_64_ADDR(0),
  54. } cvmx_fau_reg_64_t;
  55. #define CVMX_FAU_REG_32_ADDR(x) ((x << 2) + CVMX_FAU_REG_32_START)
  56. typedef enum {
  57. CVMX_FAU_REG_32_START = CVMX_FAU_REG_64_END,
  58. CVMX_FAU_REG_32_END = CVMX_FAU_REG_32_ADDR(0),
  59. } cvmx_fau_reg_32_t;
  60. #define CVMX_FAU_REG_16_ADDR(x) ((x << 1) + CVMX_FAU_REG_16_START)
  61. typedef enum {
  62. CVMX_FAU_REG_16_START = CVMX_FAU_REG_32_END,
  63. CVMX_FAU_REG_16_END = CVMX_FAU_REG_16_ADDR(0),
  64. } cvmx_fau_reg_16_t;
  65. #define CVMX_FAU_REG_8_ADDR(x) ((x) + CVMX_FAU_REG_8_START)
  66. typedef enum {
  67. CVMX_FAU_REG_8_START = CVMX_FAU_REG_16_END,
  68. CVMX_FAU_REG_8_END = CVMX_FAU_REG_8_ADDR(0),
  69. } cvmx_fau_reg_8_t;
  70. /*
  71. * The name CVMX_FAU_REG_AVAIL_BASE is provided to indicate the first
  72. * available FAU address that is not allocated in cvmx-config.h. This
  73. * is 64 bit aligned.
  74. */
  75. #define CVMX_FAU_REG_AVAIL_BASE ((CVMX_FAU_REG_8_END + 0x7) & (~0x7ULL))
  76. #define CVMX_FAU_REG_END (2048)
  77. /********************** scratch memory allocation *************************/
  78. /* Scratchpad memory allocation. Note that these are byte memory
  79. * addresses. Some uses of scratchpad (IOBDMA for example) require
  80. * the use of 8-byte aligned addresses, so proper alignment needs to
  81. * be taken into account.
  82. */
  83. /* Generic scratch iobdma area */
  84. #define CVMX_SCR_SCRATCH (0)
  85. /* First location available after cvmx-config.h allocated region. */
  86. #define CVMX_SCR_REG_AVAIL_BASE (8)
  87. /*
  88. * CVMX_HELPER_FIRST_MBUFF_SKIP is the number of bytes to reserve
  89. * before the beginning of the packet. If necessary, override the
  90. * default here. See the IPD section of the hardware manual for MBUFF
  91. * SKIP details.
  92. */
  93. #define CVMX_HELPER_FIRST_MBUFF_SKIP 184
  94. /*
  95. * CVMX_HELPER_NOT_FIRST_MBUFF_SKIP is the number of bytes to reserve
  96. * in each chained packet element. If necessary, override the default
  97. * here.
  98. */
  99. #define CVMX_HELPER_NOT_FIRST_MBUFF_SKIP 0
  100. /*
  101. * CVMX_HELPER_ENABLE_BACK_PRESSURE controls whether back pressure is
  102. * enabled for all input ports. This controls if IPD sends
  103. * backpressure to all ports if Octeon's FPA pools don't have enough
  104. * packet or work queue entries. Even when this is off, it is still
  105. * possible to get backpressure from individual hardware ports. When
  106. * configuring backpressure, also check
  107. * CVMX_HELPER_DISABLE_*_BACKPRESSURE below. If necessary, override
  108. * the default here.
  109. */
  110. #define CVMX_HELPER_ENABLE_BACK_PRESSURE 1
  111. /*
  112. * CVMX_HELPER_ENABLE_IPD controls if the IPD is enabled in the helper
  113. * function. Once it is enabled the hardware starts accepting
  114. * packets. You might want to skip the IPD enable if configuration
  115. * changes are need from the default helper setup. If necessary,
  116. * override the default here.
  117. */
  118. #define CVMX_HELPER_ENABLE_IPD 0
  119. /*
  120. * CVMX_HELPER_INPUT_TAG_TYPE selects the type of tag that the IPD assigns
  121. * to incoming packets.
  122. */
  123. #define CVMX_HELPER_INPUT_TAG_TYPE CVMX_POW_TAG_TYPE_ORDERED
  124. #define CVMX_ENABLE_PARAMETER_CHECKING 0
  125. /*
  126. * The following select which fields are used by the PIP to generate
  127. * the tag on INPUT
  128. * 0: don't include
  129. * 1: include
  130. */
  131. #define CVMX_HELPER_INPUT_TAG_IPV6_SRC_IP 0
  132. #define CVMX_HELPER_INPUT_TAG_IPV6_DST_IP 0
  133. #define CVMX_HELPER_INPUT_TAG_IPV6_SRC_PORT 0
  134. #define CVMX_HELPER_INPUT_TAG_IPV6_DST_PORT 0
  135. #define CVMX_HELPER_INPUT_TAG_IPV6_NEXT_HEADER 0
  136. #define CVMX_HELPER_INPUT_TAG_IPV4_SRC_IP 0
  137. #define CVMX_HELPER_INPUT_TAG_IPV4_DST_IP 0
  138. #define CVMX_HELPER_INPUT_TAG_IPV4_SRC_PORT 0
  139. #define CVMX_HELPER_INPUT_TAG_IPV4_DST_PORT 0
  140. #define CVMX_HELPER_INPUT_TAG_IPV4_PROTOCOL 0
  141. #define CVMX_HELPER_INPUT_TAG_INPUT_PORT 1
  142. /* Select skip mode for input ports */
  143. #define CVMX_HELPER_INPUT_PORT_SKIP_MODE CVMX_PIP_PORT_CFG_MODE_SKIPL2
  144. /*
  145. * Force backpressure to be disabled. This overrides all other
  146. * backpressure configuration.
  147. */
  148. #define CVMX_HELPER_DISABLE_RGMII_BACKPRESSURE 0
  149. #endif /* __CVMX_CONFIG_H__ */