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Solarflare Server Adapter User Guide
SR ‐ IOV Virtualization Using KVM
Issue 20 © Solarflare Communications 2017 329
sfboot ‐ Configuration Options
Adapter configuration options are set using the
sfboot
utility v4.5.0 or later from
the Solarflare Linux Utilities package (SF ‐ 107601 ‐ LS issue 28 or later). The firmware
variant must be set to full ‐ feature / Virtualization.
# sfboot firmware ‐ variant=full ‐ feature
To check the current adapter configuration run the
sfboot
command:
# sfboot
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Solarflare boot configuration utility [ v4.5.0 ]

Copyright Solarflare Communications 2006 ‐ 2014, Level 5 Networks 2002 ‐ 2005


eth5:

Boot image Option ROM only

Link speed Negotiated automatically

Link ‐ up delay time 5 seconds

Banner delay time 2 seconds

Boot skip delay time 5 seconds

Boot type Disabled

Physical Functions per port 1

MSI ‐ X interrupt limit 32
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Number of Virtual Functions 2

VF MSI ‐ X interrupt limit 8

Firmware variant full feature / virtualization

Insecure filters Disabled

MAC spoofing Disabled

VLAN tags None

Switch mode SRIOV
For some configuration option changes using sfboot, the server must be power
cycled (power off/power on) before the changes are effective. sfboot will display a
warning when this is required.
Table 82 identifies
sfboot
SR ‐ IOV configurable options.
Table 82: sfboot ‐ SR ‐ IOV options
Option Default Value Description
pf ‐ count=<n> 1 Number of PCIe PFs per physical port.
MAC address assignments may
change, after next reboot, following
changes with this option.
pf ‐ vlans None A comma separated list of VLAN tags
for each PF.
sfboot pf ‐ vlans=0,100,110,120
The first tag is assigned to the first PF,
thereafter tags are assigned to PFs in
(lowest) MAC address order.