
Issue 11
© Solarflare Communications 2014
40
Solarflare Server Adapter
User Guide
3.2 Linux Platform Feature Set
lists the features supported by Solarflare adapters on Red Hat and SUSE Linux distributions.
NOTE:
Red Hat Enterprise Linux versions 5.5 and 6.0 include a version of the Solarflare adapter
driver. This driver does not support the SFN512x family of adapters. Red Hat Enterprise Linux 5.6
and 6.1 includes a version of the Solarflare network driver for the SFN512x family of adapters. To
update the supplied driver, see
Installing Solarflare Drivers and Utilities on Linux on page 43
Table 14: Linux Feature Set
Fault diagnostics
Support for comprehensive adapter and cable fault diagnostics
and system reports.
• See
Running Adapter Diagnostics on page 53
Firmware updates
Support for Boot ROM, Phy transceiver and adapter firmware
upgrades.
• See
Upgrading Adapter Firmware with Sfupdate on page 70
Hardware Timestamps
Solarflare Flareon SFN7122F
1
SFN7142Q
1
and SFN7322F
adapters support the hardware timestamping of all received
packets - including PTP packets.
The Linux kernel must support the SO_TIMESTAMPING socket
option (2.6.30+) to allow the driver to support hardware packet
timestamping. Therefore hardware packet timestamping is not
available in RHEL 5.
1. Requires an AppFlex license - for details refer to
Technology Licensing. on page 12
Jumbo frames
Support for MTUs (Maximum Transmission Units) from
1500 bytes to 9216 bytes.
• See
Configuring Jumbo Frames on page 51
PXE and iSCSI booting
Support for diskless booting to a target operating system via
PXE or iSCSI boot.
• See
Configuring the Boot ROM with sfboot on page 56
• See
Solarflare Boot ROM Agent on page 344
PXE or iSCSI 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