[dpdk-dev] igb PMD should set the default tx wthresh correctly.

[Thomas Monjalon]

2015-07-16 19:49, Stephen Hemminger:
> On Fri, 17 Jul 2015 00:52:09 +0000
> "Lu, Wenzhuo" <wenzhuo.lu at intel.com> wrote:
> 
> > Hi Stephen,
> > I don't think there's a conflict. The message just reminder us that we can adjust the values to achieve better performance.
> > I saw ixgbe and i40e also use 0 as the same default value. To my opinion, it's good to keep the same behavior.
> > Thanks.
> 
> In my opnion, no application should have to make special case setup
> for each device type. Having to have a table that lists all the parameters
> for each device name is not supportable or scaleable.
> 
> The DPDK started out as "lets do benchmarks fast" but as a production
> toolkit it needs to stop having this kind of thing.
> 
> The message shows up to the end-user, who thinks it is a driver bug.
> The "us" is now real customers not DPDK developers.

+1 to have better default values and less scary messages.