From: Ivan Vecera <c...@cera.cz> Date: Fri, 13 Jan 2017 22:38:29 +0100
> During interface opening MAC address stored in netdev->dev_addr is > programmed in the HW with exception of BE3 VFs where the initial > MAC is programmed by parent PF. This is OK when MAC address is not > changed when an interfaces is down. In this case the requested MAC is > stored to netdev->dev_addr and later is stored into HW during opening. > But this is not done for all BE3 VFs so the NIC HW does not know > anything about this change and all traffic is filtered. > > This is the case of bonding if fail_over_mac == 0 where the MACs of > the slaves are changed while they are down. > > The be2net behavior is too restrictive because if a BE3 VF has > the FILTMGMT privilege then it is able to modify its MAC without > any restriction. > > To solve the described problem the driver should take care about these > privileged BE3 VFs so the MAC is programmed during opening. And by > contrast unpriviled BE3 VFs should not be allowed to change its MAC > in any case. > > Cc: Sathya Perla <sathya.pe...@broadcom.com> > Cc: Ajit Khaparde <ajit.khapa...@broadcom.com> > Cc: Sriharsha Basavapatna <sriharsha.basavapa...@broadcom.com> > Cc: Somnath Kotur <somnath.ko...@broadcom.com> > Signed-off-by: Ivan Vecera <c...@cera.cz> Applied.
