Status BlockBCM5718 Programmer’s Guide
Broadcom®
January 29, 2016 • 5718-PG108-R Page 84
Single-Vector or INTx — RSS Mode Status Block Format
In the single-vector RSS mode, the status-block format used by Vector#0 is shown below.
INTx and MSI also use this status-block format.
Status-Block [0] Status Word Format (single-vector RSS):
• Bit [0]: Update bit
• Bit [1]: Link status change
• Bit [2]: Error/attention
• Bits [31:3]: Reserved — always 0x0
Table 15: Status Block Format (MSI-X Single-Vector or INTx — RSS Mode)
Offset
31
1
6
15 0
0x00 Status Word
0x04 [31:8] Reserved 0x0 [7:0]Status Tag
0x08 Receive Standard Producer Ring Consumer
Index
Receive Return Ring 1 Producer Index
0x0C Receive Return Ring 2 Producer Index Receive Return Ring 3 Producer Index
0x10 Send BD Consumer Index Receive Return Ring 0 Producer Index
0x14 Reserved 0x0 Receive Jumbo Producer Ring Consumer Index
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