SMSC LAN9311 User Manual
Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
Revision 1.4 (08-19-08)
418
SMSC LAN9311/LAN9311i
DATASHEET
14.5.4.6
Buffer Manager Port 0 Drop Count Register (BM_DRP_CNT_SRC_MII)
This register counts the number of packets dropped by the Buffer Manager that were received on Port
0(Host MAC). This count includes packets dropped due to buffer space limits and ingress rate limit
discarding (Red and random Yellow dropping).
0(Host MAC). This count includes packets dropped due to buffer space limits and ingress rate limit
discarding (Red and random Yellow dropping).
Register #:
1C05h
Size:
32 bits
BITS
DESCRIPTION
TYPE
DEFAULT
31:0
Dropped Count
These bits count the number of dropped packets received on Port 0 and is
cleared when read.
These bits count the number of dropped packets received on Port 0 and is
cleared when read.
Note:
The counter will stop at its maximum value of FFFF_FFFFh.
Minimum rollover time at 100Mbps is approximately 481 hours.
Minimum rollover time at 100Mbps is approximately 481 hours.
RC
00000000h