On Tue, Nov 03, 2015 at 03:36:57PM -0500, Jarod Wilson wrote:
> With moving netdev_sync_lower_features() after the .ndo_set_features
> calls, I neglected to verify that devices added *after* a flag had been
> disabled on an upper device were properly added with that flag disabled as
> well. This currently happens, because we exit __netdev_update_features()
> when we see dev->features == features for the upper dev. We can retain the
> optimization of leaving without calling .ndo_set_features with a bit of
> tweaking and a goto here.
I haven't reviewed the patch yet (I'm going to take a look with fresher
mind in the morning) but if you are going to handle this in a generic
way, you may want to remove the LRO specific hacks added to
bond_enslave() and team_port_add() by commit fbe168ba91f7 ("net: generic
dev_disable_lro() stacked device handling").
Michal Kubecek
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