#ifndef _ADDRESS_TABLE_H #define _ADDRESS_TABLE_H 1 /* * ---------------------------------------------------------------------------- * addressTable.h - this file has all the declarations of the address table */ #define _8K_TABLE 0 #define ADDRESS_TABLE_ALIGNMENT 8 #define HASH_DEFAULT_MODE 14 #define HASH_MODE 13 #define HASH_SIZE 12 #define HOP_NUMBER 12 #define MAC_ADDRESS_STRING_SIZE 12 #define MAC_ENTRY_SIZE sizeof(addrTblEntry) #define MAX_NUMBER_OF_ADDRESSES_TO_STORE 1000 #define PROMISCUOUS_MODE 0 #define SKIP 1<<1 #define SKIP_BIT 1 #define VALID 1 /* * ---------------------------------------------------------------------------- * XXX_MIKE - potential sign-extension bugs lurk here... */ #define NIBBLE_SWAPPING_32_BIT(X) ( (((X) & 0xf0f0f0f0) >> 4) \ | (((X) & 0x0f0f0f0f) << 4) ) #define NIBBLE_SWAPPING_16_BIT(X) ( (((X) & 0x0000f0f0) >> 4) \ | (((X) & 0x00000f0f) << 4) ) #define FLIP_4_BITS(X) ( (((X) & 0x01) << 3) | (((X) & 0x002) << 1) \ | (((X) & 0x04) >> 1) | (((X) & 0x008) >> 3) ) #define FLIP_6_BITS(X) ( (((X) & 0x01) << 5) | (((X) & 0x020) >> 5) \ | (((X) & 0x02) << 3) | (((X) & 0x010) >> 3) \ | (((X) & 0x04) << 1) | (((X) & 0x008) >> 1) ) #define FLIP_9_BITS(X) ( (((X) & 0x01) << 8) | (((X) & 0x100) >> 8) \ | (((X) & 0x02) << 6) | (((X) & 0x080) >> 6) \ | (((X) & 0x04) << 4) | (((X) & 0x040) >> 4) \ | ((X) & 0x10) | (((X) & 0x08) << 2) | (((X) & 0x020) >> 2) ) /* * V: value we're operating on * O: offset of rightmost bit in field * W: width of field to shift * S: distance to shift left */ #define MASK( fieldWidth ) ((1 << (fieldWidth)) - 1) #define leftShiftedBitfield( V,O,W,S) (((V) & (MASK(W) << (O))) << (S)) #define rightShiftedBitfield(V,O,W,S) (((u32)((V) & (MASK(W) << (O)))) >> (S)) /* * Push to main memory all cache lines associated with * the specified range of virtual memory addresses * * A: Address of first byte in range to flush * N: Number of bytes to flush * Note - flush_dcache_range() does a "sync", does NOT invalidate */ #define DCACHE_FLUSH_N_SYNC( A, N ) flush_dcache_range( (A), ((A)+(N)) ) typedef struct addressTableEntryStruct { u32 hi; u32 lo; } addrTblEntry; u32 uncachedPages( u32 pages ); u32 hashTableFunction( u32 macH, u32 macL, u32 HashSize, u32 hash_mode ); unsigned int initAddressTable( u32 port, u32 hashMode, u32 hashSize ); int addAddressTableEntry( u32 port, u32 macH, u32 macL, u32 rd, u32 skip ); #endif /* #ifndef _ADDRESS_TABLE_H */