
Issue 11
© Solarflare Communications 2014
100
Solarflare Server Adapter
User Guide
rss_cpus
Number of CPUs to use for Receive-Side
Scaling, or 'packages', 'cores' or
'hyperthreads'
uint or
string
<empty>
irq_adapt_enable
Enable adaptive interrupt moderation
uint
1
irq_adapt_low_thresh
Threshold score for reducing IRQ
moderation
uint
10000
irq_adapt_high_thresh
Threshold score for increasing IRQ
moderation
uint
20000
irq_adapt_irqs
Number of IRQs per IRQ moderation
adaptation
uint
1000
napi_weight
NAPI weighting
uint
64
rx_irq_mod_usec
Receive interrupt moderation
(microseconds)
uint
60
tx_irq_mod_usec
Transmit interrupt moderation
(microseconds)
uint
150
allow_load_on_failure
If set then allow driver load when online
self-tests fail
uint
0
onload_offline_selftest
Perform offline self-test on load
uint
1
interrupt_mode
Interrupt mode (0=MSIX, 1=MSI,
2=legacy)
uint
0
falcon_force_internal_sr
am
Force internal SRAM to be used
int
0
rss_numa_local
Constrain RSS to use CPU cores on the
numa node local the Solarflare adapter.
Set to 1 to restrict, 0 otherwise.
0|1
0
1. Check OS documentation for availability on SUSE and RHEL versions.
Table 25: Driver Module Parameters
Parameter
Description
Possible
Value
Default
Value