KernelLand/Modules/Network/E1000/e1000.h

   1 /*
   2  * Acess2 E1000 Network Driver
   3  * - By John Hodge (thePowersGang)
   4  *
   5  * e1000.h
   6  * - Driver core header
   7  */
   8 #ifndef _E1000_H_
   9 #define _E1000_H_
  10
  11 #include "e1000_hw.h"
  12
  13 #include <semaphore.h>
  14 #include <mutex.h>
  15 #include <IPStack/include/buffer.h>
  16
  17 #define NUM_TX_DESC     (PAGE_SIZE/sizeof(struct sTXDesc))
  18 #define NUM_RX_DESC     (PAGE_SIZE/sizeof(struct sRXDesc))
  19
  20 #define RX_DESC_BSIZE   4096
  21 #define RX_DESC_BSIZEHW RCTL_BSIZE_4096
  22
  23 typedef struct sCard
  24 {
  25         tPAddr  MMIOBasePhys;
  26          int    IRQ;
  27         Uint16  IOBase;
  28         volatile void   *MMIOBase;
  29
  30         tMutex  lRXDescs;
  31          int    FirstUnseenRXD;
  32          int    LastUnseenRXD;
  33         void    *RXBuffers[NUM_RX_DESC];
  34         volatile tRXDesc        *RXDescs;
  35         tSemaphore      AvailPackets;
  36         struct sCard    *RXBackHandles[NUM_RX_DESC];    // Pointers to this struct, offset used to select desc
  37
  38         tMutex  lTXDescs;
  39          int    FirstFreeTXD;
  40          int    LastFreeTXD;
  41         volatile tTXDesc        *TXDescs;
  42         tSemaphore      FreeTxDescs;
  43
  44         tIPStackBuffer  *TXSrcBuffers[NUM_TX_DESC];
  45
  46         Uint8   MacAddr[6];
  47
  48         void    *IPStackHandle;
  49 } tCard;
  50
  51
  52 #endif
  53