
Issue 11
© Solarflare Communications 2014
41
Solarflare Server Adapter
User Guide
3.3 Solarflare RPMs
Solarflare supply RPM packages in the following formats:
• DKMS
• Source RPM
Receive Flow Steering (RFS)
Improve latency and reduce jitter by steering packets to the
core where a receiving application is running.
Receive Flow Steering (RFS) on page 87
SR-IOV
Support for XenServer6 PCIe Single Root-IO Virtualization and
Linux KVM SR-IOV.
• See
SR-IOV Virtualization for XenServer on page 324
• See
SR-IOV Virtualization Using KVM on page 307
SR-IOV is not supported for Solarflare adapters on IBM System
p servers.
Standby and Power
Management
Solarflare adapters support Wake On LAN on Linux. These
settings are only available if the adapter has auxiliary power
supplied by a separate cable.
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
Configuring Task Offloading on page 50
Teaming
Improve server reliability and bandwidth by combining physical
ports, from one or more Solarflare adapters, into a team,
having a single MAC address and which function as a single port
providing redundancy against a single point of failure.
• See
Virtual LANs (VLANs)
Support for multiple VLANs per adapter.
• See
Transmit Packet Steering
(XPS)
Supported on Linux 2.6.38 and later kernels. Selects the
transmit queue when transmitting on multi-queue devices.
Refer to
Transmit Packet Steering on page 89
for details.
Table 14: Linux Feature Set