LAN9312 Datasheet, PDF (437/458 Pages) SMSC Corporation – High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface

High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
14.5.4.25 Buffer Manager Port 2 Ingress Rate Drop Count Register (BM_RATE_DRP_CNT_SRC_2)
Register #:
1C18h
Size:
32 bits
This register counts the number of packets received on Port 2 that were dropped by the Buffer
Manager due to ingress rate limit discarding (Red and random Yellow dropping).
BITS
DESCRIPTION
31:0 Dropped Count
These bits count the number of dropped packets received on Port 2 and is
cleared when read.
Note: This counter will stop at its maximum value of FFFF_FFFFh.
Minimum rollover time at 100Mbps is approximately 481 hours.
TYPE
RC
DEFAULT
00000000h
SMSC LAN9312
437
DATASHEET
Revision 1.2 (04-08-08)