board/evb64260/eth_addrtbl.h

   1 #ifndef _ADDRESS_TABLE_H
   2 #define _ADDRESS_TABLE_H 1
   3
   4 /*
   5  * ----------------------------------------------------------------------------
   6  * addressTable.h - this file has all the declarations of the address table
   7  */
   8
   9 #define _8K_TABLE                           0
  10 #define ADDRESS_TABLE_ALIGNMENT             8
  11 #define HASH_DEFAULT_MODE                   14
  12 #define HASH_MODE                           13
  13 #define HASH_SIZE                           12
  14 #define HOP_NUMBER                          12
  15 #define MAC_ADDRESS_STRING_SIZE             12
  16 #define MAC_ENTRY_SIZE                      sizeof(addrTblEntry)
  17 #define MAX_NUMBER_OF_ADDRESSES_TO_STORE    1000
  18 #define PROMISCUOUS_MODE                    0
  19 #define SKIP                                1<<1
  20 #define SKIP_BIT                            1
  21 #define VALID                               1
  22
  23 /*
  24  * ----------------------------------------------------------------------------
  25  * XXX_MIKE - potential sign-extension bugs lurk here...
  26  */
  27 #define NIBBLE_SWAPPING_32_BIT(X) ( (((X) & 0xf0f0f0f0) >> 4) \
  28                                   | (((X) & 0x0f0f0f0f) << 4) )
  29
  30 #define NIBBLE_SWAPPING_16_BIT(X) ( (((X) & 0x0000f0f0) >> 4) \
  31                                   | (((X) & 0x00000f0f) << 4) )
  32
  33 #define FLIP_4_BITS(X)  ( (((X) & 0x01) << 3) | (((X) & 0x002) << 1) \
  34                         | (((X) & 0x04) >> 1) | (((X) & 0x008) >> 3) )
  35
  36 #define FLIP_6_BITS(X)  ( (((X) & 0x01) << 5) | (((X) & 0x020) >> 5) \
  37                         | (((X) & 0x02) << 3) | (((X) & 0x010) >> 3) \
  38                         | (((X) & 0x04) << 1) | (((X) & 0x008) >> 1) )
  39
  40 #define FLIP_9_BITS(X)  ( (((X) & 0x01) << 8) | (((X) & 0x100) >> 8) \
  41                         | (((X) & 0x02) << 6) | (((X) & 0x080) >> 6) \
  42                         | (((X) & 0x04) << 4) | (((X) & 0x040) >> 4) \
  43          | ((X) & 0x10) | (((X) & 0x08) << 2) | (((X) & 0x020) >> 2) )
  44
  45 /*
  46  * V: value we're operating on
  47  * O: offset of rightmost bit in field
  48  * W: width of field to shift
  49  * S: distance to shift left
  50  */
  51 #define MASK( fieldWidth )                            ((1 << (fieldWidth)) - 1)
  52 #define leftShiftedBitfield( V,O,W,S)        (((V) & (MASK(W) << (O)))  << (S))
  53 #define rightShiftedBitfield(V,O,W,S)  (((u32)((V) & (MASK(W) << (O)))) >> (S))
  54
  55
  56 /*
  57  * Push to main memory all cache lines associated with
  58  * the specified range of virtual memory addresses
  59  *
  60  * A: Address of first byte in range to flush
  61  * N: Number of bytes to flush
  62  * Note - flush_dcache_range() does a "sync", does NOT invalidate
  63  */
  64 #define DCACHE_FLUSH_N_SYNC( A, N )        flush_dcache_range( (A), ((A)+(N)) )
  65
  66
  67 typedef struct addressTableEntryStruct  {
  68     u32 hi;
  69     u32 lo;
  70 } addrTblEntry;
  71
  72 u32
  73 uncachedPages( u32 pages  );
  74 u32
  75 hashTableFunction( u32 macH, u32 macL, u32 HashSize, u32 hash_mode );
  76
  77 unsigned int
  78 initAddressTable( u32 port, u32 hashMode, u32 hashSize );
  79
  80 int
  81 addAddressTableEntry( u32 port, u32 macH, u32 macL, u32 rd, u32 skip          );
  82
  83 #endif                                           /* #ifndef _ADDRESS_TABLE_H */