Realtek RTL8169 - DTCCR: Dump Tally Counter Command

RTL8169
2002/03/27 Rev.1.21
15
6.1 DTCCR: Dump Tally Counter Command
(Offset 0010h-0017h, R/W)
Bit R/W Symbol Description
Starting address of the 12 Tally Counters being dumped to. (64-byte alignment
address, 64 bytes long)
Offset of
starting
address
Counter Description
0 TxOk 64-bit counter of Tx Ok packets.
8 RxOk 64-bit counter of Rx Ok packets.
16 TxER 64-bit packet counter of Tx errors including Tx
abort, carrier lost, Tx underrun, and out of window
collision.
24 RxEr 32-bit packet counter of Rx errors including CRC
error packets (should be larger than 8 bytes) and
missed packets.
28 MissPkt 16-bit counter of missed packets (CRC Ok)
resulted from Rx FIFO full.
30 FAE 16-bit counter of Frame Alignment Error packets
(MII mode only)
32 Tx1Col 32-bit counter of those Tx Ok packets with only 1
collision happened before Tx Ok.
36 TxMCol 32-bit counter of those Tx Ok packets with more
than 1, and less than 16 collisions happened before
Tx Ok.
40 RxOkPh
y
64-bit counter of all Rx Ok packets with physical
address matched destination ID.
48 RxOkBrd 64-bit counter of all Rx Ok packets with broadcast
destination ID.
56 RxOkMu
l
32-bit counter of all Rx Ok packets with multicast
destination ID.
60 TxAbt 16-bit counter of Tx abort packets.
63:6 R/W CntrAddr
62 TxUndrn 16-bit counter of Tx underrun and discard packets
(only possible on jumbo frames).
5:4 - - Reserved
3 R/W Cmd
Command: When set, the RTL8169 begins dumping 13 Tally counters to the address
specified above.
When this bit is reset by the RTL8169, the dumping has been completed.
2:0 - -
Reserved