L-ET4148-50C-DB LSI, L-ET4148-50C-DB Datasheet - Page 170
L-ET4148-50C-DB
Manufacturer Part Number
L-ET4148-50C-DB
Description
Manufacturer
LSI
Datasheet
1.L-ET4148-50C-DB.pdf
(298 pages)
Specifications of L-ET4148-50C-DB
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ET4148-50
Single-Chip 48 x 1 Gbit/s + 2 x 10 Gbits/s Layer 2+ Ethernet Switch
Appendix A: Registers
Packet_Buffer_Packet_Drop_Count
Table 224. Packet_Buffer_Drop_Count Field Parameters
Various basic mode bits related to packet_buffer.
170
rxpc_correlator_discard_drop_count[31:0]
destination_port_map_zero_drop_count[31:0]
replication_fifo_full_drop_count[31:0]
pdp_parity_error_drop_count[31:0]
rxpc_runt_packet_drop_count_0[31:0]
rxpc_runt_packet_drop_count_1[31:0]
rxpc_runt_packet_drop_count_2[31:0]
rxpc_runt_packet_drop_count_3[31:0]
rxpc_runt_packet_drop_count_4[31:0]
rxpc_runt_packet_drop_count_5[31:0]
rxpc_runt_packet_drop_count_6[31:0]
rxpc_txpc_discard_drop_count[31:0]
replication_partial_drop_count[31:0]
port_map_changed_drop_count[31:0]
Field Name
(continued)
Agere Systems - Proprietary
(continued)
Mode = R/W
Offset =52.0
Instances = 1
Instances = 1
Instances = 1
Instances = 1
Instances = 1
Instances = 1
Instances = 1
Instances = 1
Instances = 1
Instances = 1
Instances = 1
Instances = 1
Instances = 1
Instances = 1
Offset = 12.0
Offset = 16.0
Offset = 20.0
Offset = 24.0
Offset = 28.0
Offset = 32.0
Offset = 36.0
Offset = 40.0
Offset = 44.0
Offset = 48.0
Mode = R/W
Mode = R/W
Mode = R/W
Mode = R/W
Mode = R/W
Mode = R/W
Mode = R/W
Mode = R/W
Mode = R/W
Mode = R/W
Mode = R/W
Mode = R/W
Mode = R/W
Parameters
Offset = 0.0
Offset = 4.0
Offset = 8.0
The number of packets dropped because of the
correlator function in the rxpc module.
The number of packets dropped because of a
null (all zeros) destination map.
The number of packets dropped due to a full
replication FIFO.
The number of packets dropped due to a parity
error in the pdp module.
The number of runt packets dropped for
packet_processor 0.
The number of runt packets dropped for
packet_processor 1.
The number of runt packets dropped for
packet_processor 2.
The number of runt packets dropped for
packet_processor 3.
The number of runt packets dropped for
packet_processor 4.
The number of runt packets dropped for
packet_processor 5.
The number of runt packets dropped for
packet_processor 6.
The number of packets discarded due to a full
packet buffer.
The number of multicast packets partially
enqueued due to full queues.
The number of multicast packets causing modi-
fied port maps due to full queues. This field is
valid only in revision C and is reserved in revi-
sions B and B1.
Description
Preliminary Data Sheet
Agere Systems Inc.
April 2006
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