
Solarflare
Server
Adapter
User
Guide
Solarflare
Adapters
on
Linux
Issue
20
©
Solarflare
Communications
2017
60
PXE
and
UEFI
booting
Support
for
diskless
booting
to
a
target
operating
system
via
PXE
or
UEFI
boot.
•
See
•
See
PXE
or
UEFI
boot
are
not
supported
for
Solarflare
adapters
on
IBM
System
p
servers.
Receive
Side
Scaling
(RSS)
Support
for
RSS
multi
‐
core
load
distribution
technology.
•
See
ARFS
Linux
Accelerated
Receive
Flow
Steering.
Improve
latency
and
reduce
jitter
by
steering
packets
to
the
core
where
a
receiving
application
is
running.
See
SARFS
Solarflare
Accelerated
RFS.
See
Transmit
Packet
Steering
(XPS)
Supported
on
Linux
2.6.38
and
later
kernels.
Selects
the
transmit
queue
when
transmitting
on
multi
‐
queue
devices.
See
NIC
Partitioning
Each
physical
port
on
an
SFN7000
or
SFN8000
series
adapter
can
be
exposed
as
up
to
8
PCIe
Physical
Functions
(PF).
See
.
SR
‐
IOV
Support
for
Linux
KVM
SR
‐
IOV.
•
See
SR
‐
IOV
is
not
supported
for
Solarflare
adapters
on
IBM
System
p
servers.
Task
offloads
Support
for
TCP
Segmentation
Offload
(TSO),
Large
Receive
Offload
(LRO),
and
TCP/UDP/IP
checksum
offload
for
improved
adapter
performance
and
reduced
CPU
processing
requirements.
•
See
TX
PIO
Use
of
programmed
IO
buffers
in
order
to
reduce
latency
for
small
packet
transmission.
•
See
.
Table
14:
Linux
Feature
Set