
Issue 11
© Solarflare Communications 2014
101
Solarflare Server Adapter
User Guide
3.22 Linux ethtool Statistics
The Linux command ethtool will display an extensive range of statistics originated from the MAC on
the Solarflare network adapter. To display statistics use the following command:
ethtool -S ethX
(where X is the ID of the Solarflare interface)
lists the complete output from the ethtool -S command.
Note ethtool -S output depends
on the features supported by the adapter type
.
Table 26: Ethtool -S Output
Field
Description
tx_bytes
Number of bytes transmitted.
tx_good_bytes
Number of bytes transmitted with correct FCS. Does not
include bytes from flow control packets. Does not include
bytes from packets exceeding the maximum frame length.
tx_bad_bytes
Number of bytes transmitted with incorrect FCS.
tx_packets
Number of packets transmitted.
tx_bad
Number of packets transmitted with incorrect FCS.
tx_pause
Number of pause frames transmitted with valid pause
op_code.
tx_control
Number of control frames transmitted. Does not include
pause frames.
tx_unicast
Number of unicast packets transmitted. Includes packets
that exceed that maximum length.
tx_multicast
Number of multicast packets transmitted. Includes flow
control packets.
tx_broadcast
Number of broadcast packets transmitted.
tx_lt64
Number of frames transmitted where the length is less than
64 bytes.
tx_64
Number of frames transmitted where the length is exactly
64 bytes.
tx_65_to_127
Number of frames transmitted where the length is between
65 and 127 bytes
tx_128_to_255
Number of frames transmitted where the length is between
128 and 255 bytes