IxEthDBUtil.c 2.1 KB

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  1. /**
  2. * @file ethUtil.c
  3. *
  4. * @brief Utility functions
  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. #include "IxFeatureCtrl.h"
  21. #include "IxEthDB_p.h"
  22. IX_ETH_DB_PUBLIC
  23. IxEthDBStatus ixEthDBSingleEthNpeCheck(IxEthDBPortId portID)
  24. {
  25. /* If not IXP42X A0 stepping, proceed to check for existence of coprocessors */
  26. if ((IX_FEATURE_CTRL_SILICON_TYPE_A0 !=
  27. (ixFeatureCtrlProductIdRead() & IX_FEATURE_CTRL_SILICON_STEPPING_MASK))
  28. || (IX_FEATURE_CTRL_DEVICE_TYPE_IXP42X != ixFeatureCtrlDeviceRead ()))
  29. {
  30. if ((portID == 0) &&
  31. (ixFeatureCtrlComponentCheck(IX_FEATURECTRL_ETH0) ==
  32. IX_FEATURE_CTRL_COMPONENT_DISABLED))
  33. {
  34. return IX_ETH_DB_FAIL;
  35. }
  36. if ((portID == 1) &&
  37. (ixFeatureCtrlComponentCheck(IX_FEATURECTRL_ETH1) ==
  38. IX_FEATURE_CTRL_COMPONENT_DISABLED))
  39. {
  40. return IX_ETH_DB_FAIL;
  41. }
  42. if ((portID == 2) &&
  43. (ixFeatureCtrlComponentCheck(IX_FEATURECTRL_NPEA_ETH) ==
  44. IX_FEATURE_CTRL_COMPONENT_DISABLED))
  45. {
  46. return IX_ETH_DB_FAIL;
  47. }
  48. }
  49. return IX_ETH_DB_SUCCESS;
  50. }
  51. IX_ETH_DB_PUBLIC
  52. BOOL ixEthDBCheckSingleBitValue(UINT32 value)
  53. {
  54. #if (CPU != SIMSPARCSOLARIS) && !defined (__wince)
  55. UINT32 shift;
  56. /* use the count-leading-zeros XScale instruction */
  57. __asm__ ("clz %0, %1\n" : "=r" (shift) : "r" (value));
  58. return ((value << shift) == 0x80000000UL);
  59. #else
  60. while (value != 0)
  61. {
  62. if (value == 1) return true;
  63. else if ((value & 1) == 1) return false;
  64. value >>= 1;
  65. }
  66. return false;
  67. #endif
  68. }
  69. const char *mac2string(const unsigned char *mac)
  70. {
  71. static char str[19];
  72. if (mac == NULL)
  73. {
  74. return NULL;
  75. }
  76. sprintf(str, "%02X:%02X:%02X:%02X:%02X:%02X", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
  77. return str;
  78. }