SMSC LAN9312 - Manual (Page 436)

High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
Revision 1.4 (08-19-08) 436 SMSC LAN9312
DATASHEET
14.5.4.25 Buffer Manager Port 2 Ingress Rate Drop Count Register (BM_RATE_DRP_CNT_SRC_2)
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).
Register #: 1C18h Size: 32 bits
BITS DESCRIPTION TYPE DEFAULT
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.
RC 00000000h