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authorwdenk <wdenk>2002-03-08 21:31:05 +0000
committerwdenk <wdenk>2002-03-08 21:31:05 +0000
commit012771d88adfb5e0886591880041f05fc8b15bdd (patch)
tree9cd947b8b4c6f05cff5be1b69a0f1ca81b2c86ec /board/evb64260/eth_addrtbl.h
parent67fc21f34ef642417e7418a0575d5b5ff70d77d8 (diff)
downloadblackbird-obmc-uboot-012771d88adfb5e0886591880041f05fc8b15bdd.tar.gz
blackbird-obmc-uboot-012771d88adfb5e0886591880041f05fc8b15bdd.zip
Initial revision
Diffstat (limited to 'board/evb64260/eth_addrtbl.h')
-rw-r--r--board/evb64260/eth_addrtbl.h84
1 files changed, 84 insertions, 0 deletions
diff --git a/board/evb64260/eth_addrtbl.h b/board/evb64260/eth_addrtbl.h
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+++ b/board/evb64260/eth_addrtbl.h
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+#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 */
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