High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
14.5.4.6
Buffer Manager Port 0 Drop Count Register (BM_DRP_CNT_SRC_MII)
Register #:
1C05h
Size:
32 bits
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).
BITS
DESCRIPTION
TYPE
DEFAULT
31:0
Dropped Count
RC
00000000h
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.
SMSC LAN9312
417
Revision 1.2 (04-08-08)
DATASHEET