Software/Driver Configuration And Fine-Tuning; Kernel Tuning; Firmware Update - Chelsio T5 Installation And User Manual

Chapter 4. Software/Driver Configuration and Fine-tuning

4. Software/Driver Configuration and Fine-tuning

4.1.

Kernel tuning

The driver's behavior and performance can be influenced by a variety of kernel tunables.
General information
http://www.solarisinternals.com/wiki/index.php/Networks
The use of MSI-X interrupts is recommended. This can be achieved by adding below line(s) to
the /etc/system (depending on the OpenIndiana version). A server restart is necessary for the
changes in /etc/system to be effective.
set ddi_msix_alloc_limit=32
OR
set ddi_msix_alloc_limit=32
set pcplusmp:apic_multi_msi_max=16
set pcplusmp:apic_msix_max=16
set pcplusmp:apic_intr_policy=1
4.2.

Firmware update

The driver will auto-load T5 firmware if an update is required. The firmware version can be
verified using
root@host:~# kstat t4nex
Chelsio T5 Network Driver for OpenIndiana
about TCP/IP tuning on OpenIndiana can be found at
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