On Sat, 10 Apr 2021 15:34:50 +0200 Ansuel Smith <ansuels...@gmail.com> wrote:
> Allow to change the interface to which a given interface is linked to. > This is useful in the case of multi-CPU port DSA, for changing the CPU > port of a given user port. > > Signed-off-by: Marek Behún <marek.be...@nic.cz> > Cc: David Ahern <dsah...@gmail.com> > Cc: Stephen Hemminger <step...@networkplumber.org> This may work for DSA but it won't work for all the device types vlan/macsec/... that now use the link attribute. It looks like the change link handling for those device types just ignores the link attribute (maybe ok). But before supporting this as an API, it would be better if all the other drivers that use IFLA_LINK had error checks in their change link handling. Please add error checks in kernel first.
