cpsw_ale.h 3.2 KB

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  1. /*
  2. * Texas Instruments 3-Port Ethernet Switch Address Lookup Engine APIs
  3. *
  4. * Copyright (C) 2012 Texas Instruments
  5. *
  6. * This program is free software; you can redistribute it and/or
  7. * modify it under the terms of the GNU General Public License as
  8. * published by the Free Software Foundation version 2.
  9. *
  10. * This program is distributed "as is" WITHOUT ANY WARRANTY of any
  11. * kind, whether express or implied; without even the implied warranty
  12. * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13. * GNU General Public License for more details.
  14. */
  15. #ifndef __TI_CPSW_ALE_H__
  16. #define __TI_CPSW_ALE_H__
  17. struct cpsw_ale_params {
  18. struct device *dev;
  19. void __iomem *ale_regs;
  20. unsigned long ale_ageout; /* in secs */
  21. unsigned long ale_entries;
  22. unsigned long ale_ports;
  23. };
  24. struct cpsw_ale {
  25. struct cpsw_ale_params params;
  26. struct timer_list timer;
  27. unsigned long ageout;
  28. int allmulti;
  29. };
  30. enum cpsw_ale_control {
  31. /* global */
  32. ALE_ENABLE,
  33. ALE_CLEAR,
  34. ALE_AGEOUT,
  35. ALE_P0_UNI_FLOOD,
  36. ALE_VLAN_NOLEARN,
  37. ALE_NO_PORT_VLAN,
  38. ALE_OUI_DENY,
  39. ALE_BYPASS,
  40. ALE_RATE_LIMIT_TX,
  41. ALE_VLAN_AWARE,
  42. ALE_AUTH_ENABLE,
  43. ALE_RATE_LIMIT,
  44. /* port controls */
  45. ALE_PORT_STATE,
  46. ALE_PORT_DROP_UNTAGGED,
  47. ALE_PORT_DROP_UNKNOWN_VLAN,
  48. ALE_PORT_NOLEARN,
  49. ALE_PORT_NO_SA_UPDATE,
  50. ALE_PORT_UNKNOWN_VLAN_MEMBER,
  51. ALE_PORT_UNKNOWN_MCAST_FLOOD,
  52. ALE_PORT_UNKNOWN_REG_MCAST_FLOOD,
  53. ALE_PORT_UNTAGGED_EGRESS,
  54. ALE_PORT_BCAST_LIMIT,
  55. ALE_PORT_MCAST_LIMIT,
  56. ALE_NUM_CONTROLS,
  57. };
  58. enum cpsw_ale_port_state {
  59. ALE_PORT_STATE_DISABLE = 0x00,
  60. ALE_PORT_STATE_BLOCK = 0x01,
  61. ALE_PORT_STATE_LEARN = 0x02,
  62. ALE_PORT_STATE_FORWARD = 0x03,
  63. };
  64. /* ALE unicast entry flags - passed into cpsw_ale_add_ucast() */
  65. #define ALE_SECURE BIT(0)
  66. #define ALE_BLOCKED BIT(1)
  67. #define ALE_SUPER BIT(2)
  68. #define ALE_VLAN BIT(3)
  69. #define ALE_PORT_HOST BIT(0)
  70. #define ALE_PORT_1 BIT(1)
  71. #define ALE_PORT_2 BIT(2)
  72. #define ALE_MCAST_FWD 0
  73. #define ALE_MCAST_BLOCK_LEARN_FWD 1
  74. #define ALE_MCAST_FWD_LEARN 2
  75. #define ALE_MCAST_FWD_2 3
  76. #define ALE_ENTRY_BITS 68
  77. #define ALE_ENTRY_WORDS DIV_ROUND_UP(ALE_ENTRY_BITS, 32)
  78. struct cpsw_ale *cpsw_ale_create(struct cpsw_ale_params *params);
  79. int cpsw_ale_destroy(struct cpsw_ale *ale);
  80. void cpsw_ale_start(struct cpsw_ale *ale);
  81. void cpsw_ale_stop(struct cpsw_ale *ale);
  82. int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask, int vid);
  83. int cpsw_ale_add_ucast(struct cpsw_ale *ale, u8 *addr, int port,
  84. int flags, u16 vid);
  85. int cpsw_ale_del_ucast(struct cpsw_ale *ale, u8 *addr, int port,
  86. int flags, u16 vid);
  87. int cpsw_ale_add_mcast(struct cpsw_ale *ale, u8 *addr, int port_mask,
  88. int flags, u16 vid, int mcast_state);
  89. int cpsw_ale_del_mcast(struct cpsw_ale *ale, u8 *addr, int port_mask,
  90. int flags, u16 vid);
  91. int cpsw_ale_add_vlan(struct cpsw_ale *ale, u16 vid, int port, int untag,
  92. int reg_mcast, int unreg_mcast);
  93. int cpsw_ale_del_vlan(struct cpsw_ale *ale, u16 vid, int port);
  94. void cpsw_ale_set_allmulti(struct cpsw_ale *ale, int allmulti);
  95. int cpsw_ale_control_get(struct cpsw_ale *ale, int port, int control);
  96. int cpsw_ale_control_set(struct cpsw_ale *ale, int port,
  97. int control, int value);
  98. void cpsw_ale_dump(struct cpsw_ale *ale, u32 *data);
  99. #endif