Adaptec 1737100 Programmer Manual - Page 157

Table 7-109. MAC Statistic Register Continued

Page 157 highlights

Register Descriptions Table 7-109. MAC Statistic Register (Continued) Byte Addr Statistics Source Priority Bits Descriptions 34h Frames Lost due to TX Internal Transmit Errors. (Cannot recover from FIFO underrun) R 32 Count the number of frames which are lost in transmit engine because it cannot re- transmit after encountering FIFO underflow errors. 38h Receive OK Frames MAC (RX) M 32 Count the number of frames successfully received. 3Ch Receive CRC Errors MAC (RX) M 32 Count the number of frames received with CRC errors. 40h Alignment Errors MAC (RX) M 32 Count the number of frames received with dribble nibbles or dribble bits. 44h Receive OK Octets. MAC (RX) R 32 Count the number of octets of frames successfully received. 48h Pause Frames Received OK. MAC (RX) R 32 Count the number of Control frames containing a valid Pause frame Opcode and a valid address. 4Ch Control Frames Received OK. MAC (RX) R 32 Count the number of Control frames successfully received. 50h Control Frames MAC Received with (RX) unsupported opcode. R 32 Count the number of Control frames successfully received but with unsupported opcode. 54h Receive Frames Too Long. MAC (RX) RMON 32 Count the number of received frames whose length exceeds maximum allowed length (1518). 58h Receive Frames Too Short. MAC (RX) RMON 32 Count the number of received frames whose length is less than 64 bytes. 5Ch Receive Frames Jabbers Error. MAC (RX) RMON 32 Count the number of received frames whose length exceeds maximum allowed length (1518) and had either a CRC error or alignment error. 60h Receive Frames Fragments. MAC (RX) RMON 32 Count the number of received frames whose length is less than 64 bytes and had a CRC error or alignment error. 64h Receive Packets 64 Bytes MAC (RX) RMON 32 Count the number of receive frames whose length is 64 bytes. 68h Receive Packets 65 to MAC 127 Bytes (RX) RMON 32 Count the number of receive frames whose length is between 65 and 127 bytes. 7-85

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7-85
Register Descriptions
34h
Frames Lost due to
Internal Transmit
Errors. (Cannot
recover from FIFO
underrun)
TX
R
32
Count the number of frames
which are lost in transmit
engine because it cannot re-
transmit after encountering
FIFO underflow errors.
38h
Receive OK Frames
MAC
(RX)
M
32
Count the number of frames
successfully received.
3Ch
Receive CRC Errors
MAC
(RX)
M
32
Count the number of frames
received with CRC errors.
40h
Alignment Errors
MAC
(RX)
M
32
Count the number of frames
received with dribble nibbles
or dribble bits.
44h
Receive OK Octets.
MAC
(RX)
R
32
Count the number of octets of
frames successfully received.
48h
Pause Frames
Received OK.
MAC
(RX)
R
32
Count the number of Control
frames containing a valid
Pause frame Opcode and a
valid address.
4Ch
Control Frames
Received OK.
MAC
(RX)
R
32
Count the number of Control
frames successfully received.
50h
Control Frames
Received with
unsupported opcode.
MAC
(RX)
R
32
Count the number of Control
frames successfully received
but with unsupported opcode.
54h
Receive Frames Too
Long.
MAC
(RX)
RMON
32
Count the number of received
frames whose length exceeds
maximum allowed length
(1518).
58h
Receive Frames Too
Short.
MAC
(RX)
RMON
32
Count the number of received
frames whose length is less
than 64 bytes.
5Ch
Receive Frames
Jabbers Error.
MAC
(RX)
RMON
32
Count the number of received
frames whose length exceeds
maximum allowed length
(1518) and had either a CRC
error or alignment error.
60h
Receive Frames
Fragments.
MAC
(RX)
RMON
32
Count the number of received
frames whose length is less
than 64 bytes and had a CRC
error or alignment error.
64h
Receive Packets 64
Bytes
MAC
(RX)
RMON
32
Count the number of receive
frames whose length is 64
bytes.
68h
Receive Packets 65 to
127 Bytes
MAC
(RX)
RMON
32
Count the number of receive
frames whose length is
between 65 and 127 bytes.
Table 7-109. MAC Statistic Register (Continued)
Byte
Addr
Statistics
Source
Priority
Bits
Descriptions