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drivers
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net
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ethernet
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3com
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3c501.h

3c501.h 2.6 KB
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  1. 

  2. /*
    3. 

  3.  *	Index to functions.
    4. 

  4.  */
    5. 

  5. 

  6. static int  el1_probe1(struct net_device *dev, int ioaddr);
    7. 

  7. static int  el_open(struct net_device *dev);
    8. 

  8. static void el_timeout(struct net_device *dev);
    9. 

  9. static netdev_tx_t el_start_xmit(struct sk_buff *skb, struct net_device *dev);
    10. 

  10. static irqreturn_t el_interrupt(int irq, void *dev_id);
    11. 

  11. static void el_receive(struct net_device *dev);
    12. 

  12. static void el_reset(struct net_device *dev);
    13. 

  13. static int  el1_close(struct net_device *dev);
    14. 

  14. static void set_multicast_list(struct net_device *dev);
    15. 

  15. static const struct ethtool_ops netdev_ethtool_ops;
    16. 

  16. 

  17. #define EL1_IO_EXTENT	16
    18. 

  18. 

  19. #ifndef EL_DEBUG
    20. 

  20. #define EL_DEBUG  0	/* use 0 for production, 1 for devel., >2 for debug */
    21. 

  21. #endif			/* Anything above 5 is wordy death! */
    22. 

  22. #define debug el_debug
    23. 

  23. static int el_debug = EL_DEBUG;
    24. 

  24. 

  25. /*
    26. 

  26.  *	Board-specific info in netdev_priv(dev).
    27. 

  27.  */
    28. 

  28. 

  29. struct net_local
    30. 

  30. {
    31. 

  31. 	int		tx_pkt_start;	/* The length of the current Tx packet. */
    32. 

  32. 	int		collisions;	/* Tx collisions this packet */
    33. 

  33. 	int		loading;	/* Spot buffer load collisions */
    34. 

  34. 	int		txing;		/* True if card is in TX mode */
    35. 

  35. 	spinlock_t	lock;		/* Serializing lock */
    36. 

  36. };
    37. 

  37. 

  38. 

  39. #define RX_STATUS (ioaddr + 0x06)
    40. 

  40. #define RX_CMD	  RX_STATUS
    41. 

  41. #define TX_STATUS (ioaddr + 0x07)
    42. 

  42. #define TX_CMD	  TX_STATUS
    43. 

  43. #define GP_LOW 	  (ioaddr + 0x08)
    44. 

  44. #define GP_HIGH   (ioaddr + 0x09)
    45. 

  45. #define RX_BUF_CLR (ioaddr + 0x0A)
    46. 

  46. #define RX_LOW	  (ioaddr + 0x0A)
    47. 

  47. #define RX_HIGH   (ioaddr + 0x0B)
    48. 

  48. #define SAPROM	  (ioaddr + 0x0C)
    49. 

  49. #define AX_STATUS (ioaddr + 0x0E)
    50. 

  50. #define AX_CMD	  AX_STATUS
    51. 

  51. #define DATAPORT  (ioaddr + 0x0F)
    52. 

  52. #define TX_RDY 0x08		/* In TX_STATUS */
    53. 

  53. 

  54. #define EL1_DATAPTR	0x08
    55. 

  55. #define EL1_RXPTR	0x0A
    56. 

  56. #define EL1_SAPROM	0x0C
    57. 

  57. #define EL1_DATAPORT 	0x0f
    58. 

  58. 

  59. /*
    60. 

  60.  *	Writes to the ax command register.
    61. 

  61.  */
    62. 

  62. 

  63. #define AX_OFF	0x00			/* Irq off, buffer access on */
    64. 

  64. #define AX_SYS  0x40			/* Load the buffer */
    65. 

  65. #define AX_XMIT 0x44			/* Transmit a packet */
    66. 

  66. #define AX_RX	0x48			/* Receive a packet */
    67. 

  67. #define AX_LOOP	0x0C			/* Loopback mode */
    68. 

  68. #define AX_RESET 0x80
    69. 

  69. 

  70. /*
    71. 

  71.  *	Normal receive mode written to RX_STATUS.  We must intr on short packets
    72. 

  72.  *	to avoid bogus rx lockups.
    73. 

  73.  */
    74. 

  74. 

  75. #define RX_NORM 0xA8		/* 0x68 == all addrs, 0xA8 only to me. */
    76. 

  76. #define RX_PROM 0x68		/* Senior Prom, uhmm promiscuous mode. */
    77. 

  77. #define RX_MULT 0xE8		/* Accept multicast packets. */
    78. 

  78. #define TX_NORM 0x0A		/* Interrupt on everything that might hang the chip */
    79. 

  79. 

  80. /*
    81. 

  81.  *	TX_STATUS register.
    82. 

  82.  */
    83. 

  83. 

  84. #define TX_COLLISION 0x02
    85. 

  85. #define TX_16COLLISIONS 0x04
    86. 

  86. #define TX_READY 0x08
    87. 

  87. 

  88. #define RX_RUNT 0x08
    89. 

  89. #define RX_MISSED 0x01		/* Missed a packet due to 3c501 braindamage. */
    90. 

  90. #define RX_GOOD	0x30		/* Good packet 0x20, or simple overflow 0x10. */
    91. 

  91. 

  92.