Broadcom NetXtreme/NetLink BCM5718 Series - Page 242

MSI-XBCM5718 Programmer’s Guide
Broadcom®
January 29, 2016 • 5718-PG108-R Page 242
– All 16 Send queue Completions
– All 17 VRQ Indications
– VRQ Active Bit-Map
– Link Status Change
– Error/Attention
Multivector Mode:
• RSS (5 Vector) mode: Vector allocation would be as follows:
– Vector#0–Aggregate of the following:
- Send Completion (Only in Single TXQ mode)
- Link Status Change
- Error/Attention
– Vector#1–RSS Return Ring 0 Indication/TXQ 1 Completion (in Multi TXQ mode)
– Vector#2–RSS Return Ring 1 Indication/TXQ 2 Completion (in Multi TXQ mode)
– Vector#3–RSS Return Ring 2 Indication/TXQ 3 Completion (in Multi TXQ mode)
– Vector#4–RSS Return Ring 3 Indication/TXQ 4 Completion (in Multi TXQ mode)
• IOV (17 Vector) mode: Vector allocation would be as follows
– Vector#0—Aggregate of the following:
- VRQ0 Indication (Default VRQ)
- Send Completion (Only in Single TXQ mode)
- Link Status Change
- Error/Attention
- VRQ Active Bit-Map
– Vector#1—Aggregate of the following:
- VRQ1 Indication
- Transmit queue 1 Completion (in Multi TXQ mode)
- Link Status Change
– Vector#2–Aggregate of the following
- VRQ2 Indication
- Transmit queue 2 Completion (in Multi TXQ mode)
- Link Status Change
.
.
.
– Vector#16–Aggregate of the following
- VRQ16 Indication
- Transmit queue 16 Completion (in Multi TXQ mode)
- Link Status Change