Solarflare
Server
Adapter
User
Guide
Solarflare
Adapters
on
FreeBSD
Issue
20
©
Solarflare
Communications
2017
317
6.12
Kernel
and
Network
Adapter
Statistics
The
Linux
command
sysctl
will
display
an
extensive
range
of
statistics
originated
from
the
MAC
on
the
Solarflare
network
adapter.
To
display
statistics
use
the
following
command:
sysctl
dev.sfxge.<n>.stats
where
sfgxe<n>
is
the
interface
name.
Tables
below
list
the
complete
output
from
the
sysctl
dev.sfxge.<n>.stats
command.
See:
•
•
•
Per
port
statistics
(
)
are
from
the
physical
adapter
port.
Other
statistics
are
from
the
specified
PCIe
function.
NOTE:
sysctl
dev.sfxge.<n>.stats
output
depends
on
the
features
supported
by
the
adapter
type.
tso_fw_assisted
Whether
to
assist
TSO
using
the
firmware.
Applicable
to
SFN7000
and
SFN8000
series
adapters
only.
0|1
1
<n>.max_rss_channels
The
number
of
RSS
Receive
queues
for
interface
sfxge<n>
.
See
The
actual
number
may
be
lower
due
to
availability
of
MSI
‐
X
interrupts.
There
is
a
maximum
of
32
MSI
‐
X
interrupts
across
all
network
devices.
If
no
value
is
set
(the
default),
the
number
is
limited
only
by
the
number
of
CPUs
and
MSI
‐
X
interrupts.
unit
—
Table
77:
Driver
Module
Parameters
Parameter
Description
Possible
Value
Default
Value
Table
78:
Event
queue
statistics
Field
Description
ev_all
Total
number
of
events.
ev_rx
Number
of
packets
received
by
driver.
ev_rx_ok
Number
of
received
packets
not
discarded.