WG82574L S LBA8 Intel, WG82574L S LBA8 Datasheet - Page 333

• Manufacturer Part Number: WG82574L S LBA8
• Manufacturer: Intel

Specifications of WG82574L S LBA8

• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: 0C to 85C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 64
• Lead Free Status / RoHS Status: Compliant

Driver Programing Interface—82574 GbE Controller
Note:
10.2.5.27
..
1.
Each entry (byte) of the redirection table contains the following information.
RETA cannot be read when RSS is enabled.
RSS Random Key Register - RSSRK (0x05C80-0x05CA7; RW)
The RSS Random Key register stores a 40-byte key used by the RSS hash function (see
Section
..
. . .
..
Entry 0
…
Entry 127
K[3]
K[39]
Byte 0
…
Byte 39
• Bit [7] - Queue index
• Bits [6:0] - Reserved
31
System software must initialize the table prior to enabling multiple receive queues.
Field
Field
7.1.11.1).
0 / 7:0
9 / 31:24
0 / 7:0
31 / 31:24
DW/Bit(s)
Dword/
….24
Bit(s)
K[2]
…
23
0x0…0
0x0…0
Undefined
Undefined
Initial
Initial
Value
Value
1
Determines the physical queue for index 0.
Determines the physical queue for index 127
Byte 0 of the RSS random key.
Byte 39 of the RSS random key.
16
K[1]
…
15
Description
Description
8
K[0]
K[36]
7
333
0