igb: do a reset on SR-IOV re-init if device is down
Stefan Assmann authored
commit 76252723

 upstream.

To properly re-initialize SR-IOV it is necessary to reset the device
even if it is already down. Not doing this may result in Tx unit hangs.
Signed-off-by: default avatarStefan Assmann <sassmann@kpanic.de>
Tested-by: default avatarAaron Brown <aaron.f.brown@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarJiri Slaby <jslaby@suse.cz>
4e873a3d