Solarflare
Server
Adapter
User
Guide
Solarflare
Adapters
on
FreeBSD
Issue
20
©
Solarflare
Communications
2017
320
ev_drv_gen
Internal
driver
event.
ev_mcdi_response
Internal
driver
event.
Table
79:
Driver
statistics
Field
Description
lro_merges
Number
of
packets
absorbed
by
LRO.
lro_bursts
Number
of
bursts
spotted
by
LRO.
lro_slow_start
Number
of
packets
not
merged
because
connection
may
be
in
slow
‐
start.
lro_misorder
Number
of
out
‐
of
‐
order
packets
seen
in
tracked
streams.
lro_too_many
Incremented
when
the
driver
is
trying
to
track
too
many
streams.
lro_new_stream
Number
of
distinct
streams
the
driver
has
tracked.
lro_drop_idle
Number
of
streams
discarded
because
they
went
idle.
lro_drop_closed
Number
of
streams
that
have
seen
a
FIN
or
RST.
tso_bursts
Number
of
times
TSO
transmit
invoked
by
the
kernel.
tso_packets
Number
of
packets
sent
via
the
TSO
transmit
path.
tso_long_headers
Number
of
packets
with
headers
too
long
for
standard
blocks.
tx_collapses
Number
of
packets
with
too
many
fragments
collapsed.
tx_drops
Number
of
packets
dropped
by
the
driver
because
of:
•
transmit
queue
in
inappropriate
state
•
memory
allocation
or
DMA
mapping
failures
required
to
handle
packet
with
long
header
by
TSO
•
mbuf
collapse
failure.
Table
78:
Event
queue
statistics
Field
Description