diff options
Diffstat (limited to 'board/evb64260/eth_addrtbl.c')
| -rw-r--r-- | board/evb64260/eth_addrtbl.c | 96 |
1 files changed, 48 insertions, 48 deletions
diff --git a/board/evb64260/eth_addrtbl.c b/board/evb64260/eth_addrtbl.c index ea4925a..ef463c3 100644 --- a/board/evb64260/eth_addrtbl.c +++ b/board/evb64260/eth_addrtbl.c @@ -52,7 +52,7 @@ unsigned int initAddressTable( u32 port, u32 hashMode, u32 hashSizeSelector) tableBase = (unsigned int)addressTableBase[port]; /* we get called for every probe, so only do this once */ if ( !tableBase ) { - int bytes = hashLength[hashSizeSelector] * sizeof(addrTblEntry); + int bytes = hashLength[hashSizeSelector] * sizeof(addrTblEntry); tableBase = (unsigned int)realAddrTableBase[port] = malloc(bytes+64); @@ -62,12 +62,12 @@ unsigned int initAddressTable( u32 port, u32 hashMode, u32 hashSizeSelector) return 0; } - /* align to octal byte */ + /* align to octal byte */ if(tableBase&63) tableBase=(tableBase+63) & ~63; - addressTableHashMode[port] = hashMode; + addressTableHashMode[port] = hashMode; addressTableHashSize[port] = hashSizeSelector; - addressTableBase[port] = (addrTblEntry *)tableBase; + addressTableBase[port] = (addrTblEntry *)tableBase; memset((void *)tableBase,0,bytes); } @@ -105,40 +105,40 @@ hashTableFunction( u32 macH, u32 macL, u32 HashSize, u32 hash_mode) addrL = NIBBLE_SWAPPING_32_BIT( macL ); addrHSwapped = FLIP_4_BITS( addrH & 0xf ) - + ((FLIP_4_BITS( (addrH >> 4) & 0xf)) << 4) - + ((FLIP_4_BITS( (addrH >> 8) & 0xf)) << 8) - + ((FLIP_4_BITS( (addrH >> 12) & 0xf)) << 12); + + ((FLIP_4_BITS( (addrH >> 4) & 0xf)) << 4) + + ((FLIP_4_BITS( (addrH >> 8) & 0xf)) << 8) + + ((FLIP_4_BITS( (addrH >> 12) & 0xf)) << 12); addrLSwapped = FLIP_4_BITS( addrL & 0xf ) - + ((FLIP_4_BITS( (addrL >> 4) & 0xf)) << 4) - + ((FLIP_4_BITS( (addrL >> 8) & 0xf)) << 8) - + ((FLIP_4_BITS( (addrL >> 12) & 0xf)) << 12) - + ((FLIP_4_BITS( (addrL >> 16) & 0xf)) << 16) - + ((FLIP_4_BITS( (addrL >> 20) & 0xf)) << 20) - + ((FLIP_4_BITS( (addrL >> 24) & 0xf)) << 24) - + ((FLIP_4_BITS( (addrL >> 28) & 0xf)) << 28); + + ((FLIP_4_BITS( (addrL >> 4) & 0xf)) << 4) + + ((FLIP_4_BITS( (addrL >> 8) & 0xf)) << 8) + + ((FLIP_4_BITS( (addrL >> 12) & 0xf)) << 12) + + ((FLIP_4_BITS( (addrL >> 16) & 0xf)) << 16) + + ((FLIP_4_BITS( (addrL >> 20) & 0xf)) << 20) + + ((FLIP_4_BITS( (addrL >> 24) & 0xf)) << 24) + + ((FLIP_4_BITS( (addrL >> 28) & 0xf)) << 28); addrH = addrHSwapped; addrL = addrLSwapped; if( hash_mode == 0 ) { - addr0 = (addrL >> 2) & 0x03f; - addr1 = (addrL & 0x003) | ((addrL >> 8) & 0x7f) << 2; - addr2 = (addrL >> 15) & 0x1ff; - addr3 = ((addrL >> 24) & 0x0ff) | ((addrH & 1) << 8); + addr0 = (addrL >> 2) & 0x03f; + addr1 = (addrL & 0x003) | ((addrL >> 8) & 0x7f) << 2; + addr2 = (addrL >> 15) & 0x1ff; + addr3 = ((addrL >> 24) & 0x0ff) | ((addrH & 1) << 8); } else { - addr0 = FLIP_6_BITS( addrL & 0x03f ); - addr1 = FLIP_9_BITS( ((addrL >> 6) & 0x1ff)); - addr2 = FLIP_9_BITS( (addrL >> 15) & 0x1ff); - addr3 = FLIP_9_BITS( (((addrL >> 24) & 0x0ff) | ((addrH & 0x1) << 8))); + addr0 = FLIP_6_BITS( addrL & 0x03f ); + addr1 = FLIP_9_BITS( ((addrL >> 6) & 0x1ff)); + addr2 = FLIP_9_BITS( (addrL >> 15) & 0x1ff); + addr3 = FLIP_9_BITS( (((addrL >> 24) & 0x0ff) | ((addrH & 0x1) << 8))); } hashResult = (addr0 << 9) | (addr1 ^ addr2 ^ addr3); if( HashSize == _8K_TABLE ) { - hashResult = hashResult & 0xffff; + hashResult = hashResult & 0xffff; } else { - hashResult = hashResult & 0x07ff; + hashResult = hashResult & 0x07ff; } return( hashResult ); @@ -174,20 +174,20 @@ addAddressTableEntry( u32 i; newLo = (((macH >> 4) & 0xf) << 15) - | (((macH >> 0) & 0xf) << 11) - | (((macH >> 12) & 0xf) << 7) - | (((macH >> 8) & 0xf) << 3) - | (((macL >> 20) & 0x1) << 31) - | (((macL >> 16) & 0xf) << 27) - | (((macL >> 28) & 0xf) << 23) - | (((macL >> 24) & 0xf) << 19) - | (skip << SKIP_BIT) | (rd << 2) | VALID; + | (((macH >> 0) & 0xf) << 11) + | (((macH >> 12) & 0xf) << 7) + | (((macH >> 8) & 0xf) << 3) + | (((macL >> 20) & 0x1) << 31) + | (((macL >> 16) & 0xf) << 27) + | (((macL >> 28) & 0xf) << 23) + | (((macL >> 24) & 0xf) << 19) + | (skip << SKIP_BIT) | (rd << 2) | VALID; newHi = (((macL >> 4) & 0xf) << 15) - | (((macL >> 0) & 0xf) << 11) - | (((macL >> 12) & 0xf) << 7) - | (((macL >> 8) & 0xf) << 3) - | (((macL >> 21) & 0x7) << 0); + | (((macL >> 0) & 0xf) << 11) + | (((macL >> 12) & 0xf) << 7) + | (((macL >> 8) & 0xf) << 3) + | (((macL >> 21) & 0x7) << 0); /* * Pick the appropriate table, start scanning for free/reusable @@ -195,22 +195,22 @@ addAddressTableEntry( */ entry = addressTableBase[port]; entry += hashTableFunction( macH, macL, addressTableHashSize[port], - addressTableHashMode[port] ); + addressTableHashMode[port] ); for( i = 0; i < HOP_NUMBER; i++, entry++ ) { - if( !(entry->lo & VALID) /*|| (entry->lo & SKIP)*/ ) { - break; - } else { /* if same address put in same position */ - if( ((entry->lo & 0xfffffff8) == (newLo & 0xfffffff8)) - && (entry->hi == newHi) ) - { - break; - } - } + if( !(entry->lo & VALID) /*|| (entry->lo & SKIP)*/ ) { + break; + } else { /* if same address put in same position */ + if( ((entry->lo & 0xfffffff8) == (newLo & 0xfffffff8)) + && (entry->hi == newHi) ) + { + break; + } + } } if( i == HOP_NUMBER ) { - PRINTF( "addGT64260addressTableEntry: table section is full\n" ); - return( FALSE ); + PRINTF( "addGT64260addressTableEntry: table section is full\n" ); + return( FALSE ); } /* |