On Fri, Mar 27, 2015 at 11:48:34AM -0700, Alex Wang wrote:
> Currently, ovs uses hardcoded rate2quantum = 10 for each htb qdisc.
> When qdisc class's rate is small, the resulting quantum (calculated
> by min_rate / rate2quantum) will be smaller than MTU.  This is not
> recommended and tc will keep complaining the following in syslog.
> 
> localhost kernel: HTB: quantum of class 10003 is small. Consider r2q change.
> localhost kernel: HTB: quantum of class 10004 is small. Consider r2q change.
> localhost kernel: HTB: quantum of class 10005 is small. Consider r2q change.
> localhost kernel: HTB: quantum of class 10006 is small. Consider r2q change.
> 
> To fix the issue, this commit makes ovs always use htb quantum no less
> than the MTU.
> 
> Signed-off-by: Alex Wang <[email protected]>

Thanks, this is a simple solution.

Acked-by: Ben Pfaff <[email protected]>
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