WG82574L S LBA8 Intel, WG82574L S LBA8 Datasheet - Page 98
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WG82574L S LBA8
Manufacturer Part Number
WG82574L S LBA8
Description
Manufacturer
Intel
Datasheet
1.WG82574L_S_LBA8.pdf
(472 pages)
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
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5.5.3.2
5.5.3.2.1
98
Flexible Filter
The 82574 supports four flexible filters for host wake up and two flexible filters for TCO
wake up. For more details refer to
recognize any arbitrary pattern within the first 128 bytes of the packet. To configure
the flexible filter, software programs:
These contain separate values for each filter. Software must also:
Once enabled, the flexible filters scan incoming packets for a match. If the filter
encounters any byte in the packet where the mask bit is one and the byte doesn't
match the byte programmed in FFVT, then the filter failed that packet. If the filter
reaches the required length without failing the packet, it passes the packet and
generates a wake-up event. It ignores any mask bits set to one beyond the required
length.
The following packets are listed for reference purposes only. The flexible filter could be
used to filter these packets.
IPX Diagnostic Responder Request Packet
An IPX Diagnostic Responder Request Packet must contain a valid MAC address, a
Protocol Type of 0x8137, and an IPX Diagnostic Socket of 0x0456. It may include LLC/
SNAP Headers and VLAN Tags. Since filtering this packet relies on the flexible filters,
which use offsets specified by the operating system directly, the operating system must
account for the extra offset LLC/SNAP Headers and VLAN tags.
• The mask values into the Flexible Filter Mask Table (FFMT)
• The required values into the Flexible Filter Value Table (FFVT)
• The minimum packet length into the Flexible Filter Length Table (FFLT).
• Enable the filter in the WUFC.
• Enable the overall wake-up functionality by setting PME_En in the PMCSR or WUC.
Offset
Offset
18
20
21
22
38
12
12
0
6
2
1
1
16
16
6
6
8
4
Bytes
bytes
# of
# of
Payload Length
Next Header
Hop Limit
Source IP Address
Destination IP Address
Destination Address
Source Address
Possible LLC/SNAP Header
Possible VLAN Tag
Field
Field
Section
82574 GbE Controller—Power Management and Delivery
10.2.8.2. Each filter can be configured to
-
-
-
-
IP6AT
Value
Value
Ignore
Ignore
Ignore
Ignore
Compare
Compare
Skip
Skip
Skip
Action
Action
Match value in IP6AT
Comment
Comment
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