Intel IXF1104 Switch User Manual


 
IXF1104 4-Port Gigabit Ethernet Media Access Controller
Datasheet 199
Document Number: 278757
Revision Number: 007
Revision Date: March 25, 2004
Table 127. RX FIFO Padding and CRC Strip Enable ($0x5B3)
Bit Name Description Type
1
Default
Register Description:
This control register enables to pre-pend every packet with two extra
bytes and also enables the CRC stripping of a packet.
0x00000000
31:8 Reserved Reserved RO 0x000000
7
CRC Stripping Enable
for Port 3
CRC stripping is enabled for Port 3.
0 = Disabled
1 = Enabled
R/W 0
6
CRC Stripping Enable
for Port 2
CRC stripping is enabled for Port 2.
0 = Disabled
1 = Enabled
R/W 0
5
CRC Stripping Enable
for Port 1
CRC stripping is enabled for Port 1.
0 = Disabled
1 = Enabled
R/W 0
4
CRC Stripping Enable
for Port 0
CRC stripping is enabled for Port 0.
0 = Pre-pending Disabled
1 = Pre-pending Enabled
R/W 0
3
Pre-pending Enable
2
Port 3
Enables pre-pending of two bytes at the start of
every packet – Port 3.
0 = Disabled
1 = Enabled
R/W 0
2
Pre-pending Enable
2
Port 2
Enables pre-pending of two bytes at the start of
every packet – Port 2.
0 = Disabled
1 = Enabled
R/W 0
1
Pre-pending Enable
2
Port 1
Enables pre-pending of two bytes at the start of
every packet – Port 1.
0 = Disabled
1 = Enabled
R/W 0
0
Pre-pending Enable
2
Port 0
Enables pre-pending of two bytes at the start of
every packet – Port 0.
0 = Disabled
1 = Enabled
R/W 0
1. RO = Read Only, No clear on Read; R = Read, Clear on Read; W = Write only; R/W = Read/Write, No
clear; R/W/C = Read/Write, Clear on Write
2. Pre-pending should not be enabled in loopback mode.