On 08.11.2018 13:11, Oleg Bulyzhin wrote: > current ixgbe driver is using iflib and has IFCAP_VLAN_HWFILTER > enabled by default. > > /sys/net/iflib.c iflib_vlan_[un]register() functions have this code: > > /* Re-init to load the changes */ > if (if_getcapenable(ifp) & IFCAP_VLAN_HWFILTER) > iflib_if_init_locked(ctx); > > Thus any vlan reconfiguration leads to link flap. This is not > how it was before iflib conversion. On 12 each cpability reconfiguration for em/igb/ix leads to link flap, where 11 doesn't need this flap for most of capabilities of these cards.
IMHO, it is regression. -- // Lev Serebryakov
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