Hi Subash, On Tue, 8 Dec 2020 at 09:19, <subas...@codeaurora.org> wrote: > > >> What about just returning an error on NETDEV_PRECHANGEMTU notification > >> to prevent real device MTU change while virtual rmnet devices are > >> linked? Not sure there is a more proper and thread safe way to manager > >> that otherwise. > > > > Can't you copy what vlan devices do? That'd seem like a reasonable and > > well tested precedent, no? > > Could you try this patch. I've tried addressing most of the conditions > here. > I haven't seen any issues with updating the MTU when rmnet devices are > linked.
Thanks, could you submit it as new regular patch, I'll give you my tested-by. Regards, Loic
