Initial revision

1 files changed, 84 insertions, 0 deletions

diff --git a/board/evb64260/eth_addrtbl.h b/board/evb64260/eth_addrtbl.h
new file mode 100644
index 0000000..60380c6
--- /dev/null
+++ b/board/evb64260/eth_addrtbl.h
@@ -0,0 +1,84 @@
+#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 */