
Issue 11
© Solarflare Communications 2014
103
Solarflare Server Adapter
User Guide
tx_excessive_deferred
Number of frames for which transmission is deferred for an
excessive period of time.
tx_non_tcpudp
Number of packets, being neither TCP or UDP, dropped by
the adapter when non_TCP/UDP drop is enabled.
tx_mac_src_error
Number of packets discarded by the adapter because the
source address field does not match the MAC address of the
port. Counts only those packets dropped when MAC
address filtering is enabled.
tx_ip_src_error
Number of packets discarded by the adapter because the
source IP address does not match any IP address in the filter
table. Counts only those packets dropped when IP address
filtering is enabled.
tx_pushes
Number of times a packet descriptor is ’pushed’ to the
adapter from the network adapter driver.
tx_pio_packets
Number of packets sent using PIO.
tx_tso_bursts
Number of times when outgoing TCP data is split into pack-
ets by the adapter driver. Refer to
tx_tso_long_headers
Number of times TSO is applied to packets with long head-
ers.
tx_tso_packets
Number of physical packets produced by TSO.
rx_bytes
Number of bytes received. Not include collided bytes.
rx_good_bytes
Number of bytes received without errors. Excludes bytes
from flow control packets.
rx_bad_bytes
Number of bytes with invalid FCS. Includes bytes from pack-
ets that exceed the maximum frame length.
rx_packets
Number of packets received.
rx_good
Number of packets received with correct CRC value and no
error codes.
rx_bad
Number of packets received with incorrect CRC value.
rx_pause
Number of pause frames received with valid pause
op_code.
rx_control
Number of control frames received. Does not include pause
frames.
Table 26: Ethtool -S Output
Field
Description