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334 Software Developer’s Manual
Register Descriptions
31 20 19 18 17 16 15 8 7 6 5 4 3 2 1 0
Reserved FLX3 FLX2 FLX1 FLX0 Reserved IPv6
1
IPv4
2
ARP BC MC EX MAG LNKC
1. Not applicable to the 82544GC/EI.
2. IP for the 82544GC/EI.
Field Bit(s) Initial Value Description
LNKC 0 0b Link Status Change.
MAG 1 0b Magic Packet Received.
EX 2 0b
Directed Exact Packet Received
The packet’s address matched one of the 16 pre-programmed
exact values in the Receive Address registers.
MC 3 0b
Directed Multicast Packet Received
The packet was a multicast packet whose hashed to a value
that corresponded to a 1 bit in the Multicast Table Array.
BC 4 0b Broadcast Packet Received.
ARP 5 0b ARP Request Packet Received.
IPv4
1
1. IP for the 82544GC/EI.
6 0b Directed IPv4 Packet Received.
IPv6
2
2. Not applicable to the 82544GC/EI.
7 0b Directed IPv6 Packet Received.
FLX0 16 0b Flexible Filter 0 Match.
FLX1 17 0b Flexible Filter 1 Match.
FLX2 18 0b Flexible Filter 2 Match.
FLX3 19 0b Flexible Filter 3 Match.