On Tue, Jul 25, 2017 at 02:57:49PM -0600, Logan Gunthorpe wrote: > switchtec_ntb checks for a link by looking at the shared memory > window. If the magic number is correct and the otherside indicates > their link is enabled then we take the link to be up. > > Whenever we change our local link status we send a msg to the > otherside to check whether it's up and change their status. s/otherside/other side/ (twice) > The current status is maintained in a flag so ntb_is_link_up > can return quickly. > > We utilize Switchtec's link status notifier to also check link changes > when the switch notices a port changes state.
