Raw IP interface support under Linux

Bjørn Mork bjorn at mork.no
Mon Nov 2 09:16:02 UTC 2020

Loic Poulain <loic.poulain at linaro.org> writes:
> On Fri, 30 Oct 2020 at 19:46, Bjørn Mork <bjorn at mork.no> wrote:
>> Loic Poulain <loic.poulain at linaro.org> writes:
>> > Currently, network interfaces with ARPHRD_RAWIP sa_family type are not
>> > supported by dhclient (contrary to e.g. udhcpc):
>> >
>> >     dhclient: can't create /var/db/dhclient.leases: No such file or directory
>> >     dhclient: Unsupported device type 519 for "rmnet_data1"
>> >
>> > Is there any plan to add such support? Or any known limitation to not add this?
>> I don't think there are any such plans.  But it's not difficult to
>> fix. I made a proof-of-concept patch 5 years ago:
>> https://mail.gnome.org/archives/networkmanager-list/2015-December/msg00044.html
>> This is Linux only, but I guess those raw-ip network drivers are too ;-)
> Thanks for your input, IMHO, your patch could be merged with very
> little changes. Not sure about the right upstream path but I assume
> community changes should go through https://gitlab.isc.org. If you
> don't plan to do it yourself, would you mind if I try to get your work
> merged upstream?

I don't mind at all. On the contrary.  It would be nice to have this

You may consider the patch MPL-2.0 licensed like the rest of isc-dhcp,
if that's important to anyone.


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