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Re: struct ifnet locking [was Re: IFEF_MPSAFE]

On Tue, Dec 19, 2017 at 4:52 PM, Nick Hudson <> wrote:
> On 19/12/2017 03:43, Ryota Ozaki wrote:
>> BTW I committed a change that disables IFEF_MPSAFE by default on
>> all interfaces because it seems that IFEF_MPSAFE requires additional
>> changes to work safely with it. We should enable it by default if an
>> interface is guaranteed to be safe.
> What additional changes?

For example, avoid updating if_flags (and reading it and depending on
the result) in Tx/Rx paths and using if_watchdog.


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