Solarflare
Server
Adapter
User
Guide
Solarflare
Adapters
on
Linux
Issue
20
©
Solarflare
Communications
2017
131
tx_overflow
Number
of
packets
dropped
by
transmitter
because
of
FIFO
overrun.
tx_merge_events
The
number
of
TX
completion
events
where
more
than
one
TX
descriptor
was
completed.
tx_tso_bursts
Number
of
times
when
outgoing
TCP
data
is
split
into
packets
by
the
adapter
driver.
Refer
to
tx_tso_long_headers
Number
of
times
TSO
is
applied
to
packets
with
long
headers.
tx_tso_packets
Number
of
physical
packets
produced
by
TSO.
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.
rx_reset
0
rx_tobe_disc
Number
of
packets
marked
by
the
adapter
to
be
discarded
because
of
one
of
the
following:
•
Mismatch
unicast
address
and
unicast
promiscuous
mode
is
not
enabled.
•
Packet
is
a
pause
frame.
•
Packet
has
length
discrepancy.
•
Due
to
internal
FIFO
overflow
condition.
•
Length
<
60
bytes.
rx_ip_hdr_chksum_err
Number
of
packets
received
with
IP
header
Checksum
error.
rx_tcp_udp_chksum_err
Number
of
packets
received
with
TCP/UDP
checksum
error.
Table
28:
Ethtool
‐
S
output
Field
Description