Broadcom NetXtreme/NetLink BCM5718 Series

Host Coalescing Control RegistersBCM5718 Programmer’s Guide
Broadcom®
January 29, 2016 • 5718-PG108-R Page 425
NIC Diagnostic Return Ring 2 Producer Index Register (offset:
0x3C88)
This register contains the Receive Return Ring 2 Producer Index.
NIC Diagnostic Return Ring 3 Producer Index Register (offset:
0x3C8C)
This register contains the Receive Return Ring 3 Producer Index.
NIC Diagnostic Send BD Consumer Index Register (offset: 0x3CC0)
The register keeps track of the NIC local copy of the send BD ring consumer (not the host copy which is DMAed
by the Host Coalescing engine to the host). It is shared between the Send BD Initiator and the Host Coalescing
state machines.
Name Bits Access
Default
Value
Description
Reserved 31:9 RO 0 –
NIC Return Ring Producer
Index
8:0 RW – NIC Return Ring 2 Producer Index.
Name Bits Access
Default
Value
Description
Reserved 31:9 RO 0 –
NIC Return Ring Producer
Index
8:0 RW – NIC Return Ring 3 Producer Index.
Name Bits Access
Default
Value
Description
Reserved 31:9 RO 0 –
NIC Send BD Consumer Index 8:0 RW – NIC Send BD Consumer Index.