Chris A. Icide wrote:
I've been digging around trying to get some information on the
current status of interrupt mitigation features for a Braodcom 5704 interface.
Specifically I'm sending and receiving lots of VoIP packets (50 pps
> per stream, many streams).
What I can't seem to determine is this:
What version of the linux kernel & tg3 drivers are required to
support both rx and tx mitigation?
What do the ethtool coalescence settings actually do (I've not been
Delay interrupts and increase individual packet latency with the
intention being decreasing CPU utilization and allowing a higher
aggregate packet per second limit. IE bandwidth vs latency tradeoffs.
able to find actual descriptions of the different parameters in the -C
section)
Is there anything special that needs to be done when compiling a
kernel to enable this feature for both the kernel and the tg3 driver.
Are you looking to increase or decrease the settings? I would think
(initially at least) that for VOIP one might not want to increase them.
rick jones
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