Broadcom BCM5722 - Device Statistics; Host Interrupts; MAC Statistics; MIB Network Interface Card Statistics

Programmer’s Guide BCM5722
10/15/07
Broadcom Corporation
Document 5722-PG101-R Device Statistics Page 56
DEVICE STATISTICS
MAC STATISTICS
See “Statistics Registers” on page 264 for the MAC statistics supported by the devices.
MIB NETWORK INTERFACE CARD STATISTICS
Host Interrupts
The statistics shown in Table 21 are maintained by the send data initiator engine.
NIC BD Coalescing Thresholds
The statistics shown in Table 22 are maintained by the send data initiator engine.
The statistics shown in Table 23 are maintained by the receive list placement engine.
Table 21: Send Data Initiator Host Interrupts Statistics
Register Offset Value Name Description
0xCCC–0XCCF nicRingSetSendProdIndex Number of times the NIC has seen updates to any Send Producer Index.
0xCD0–0xCD3 nicRingStatusUpdate Number of times the status block was updated.
0xCD4–0xCD7 nicInterrupts Number of interrupts generated by NIC.
0xCD8–0xCDB nicAvoidedInterrupts Number of interrupts avoided by NIC.
Table 22: Send Data Initiator NIC BD Coalescing Thresholds Statistics
Register Offset Value Name Description
0xCDC–0xCDF nicSendThresholdHit Number of times Send Max Coalesce Frames Threshold hit.
Table 23: Receive List Placement NIC BD Coalescing Thresholds Statistics
Register Offset Value Name Description
0x2258–0x225B nicRecvThresholdHit Number of times Recv Max Coalesce Frames Threshold hit.