On Fri, Feb 26, 2016 at 11:05:29AM +0800, Wenzhuo Lu wrote: > Normally the auto-negotiation is supported by FW. SW need not care about > that. But on x550em_x, FW doesn't support auto-neg. As the ports of x550em_x > are 10G, if we connect the port will a peer which is 1G, the link will always > be down. > We need support auto-neg by SW to avoid this link down issue. As we already > have the code to handle the link speed setting, what we need is a trigger. > When the advertised link speed changes, a PHY interruption will be triggered. > So, we should handle this interruption and call ixgbe_handle_lasi to set the > link speed correctly. > > Please be aware it's working when auto-neg is on. If the auto-neg of the peer > port is turned off and its speed is indicated manually, we should also set > the speed of our own port manually. > > V2: > *Fix the wrong signoff name. > > V3: > *Change the tittle and add the explanation of the implementation in commit > log. > > Signed-off-by: Wenzhuo Lu <wenzhuo.lu at intel.com> > Acked-by: Shaopeng He <shaopeng.he at intel.com> > --- Applied to dpdk-next-net/rel_16_04
/Bruce
