The way we were setting autoneg via ethtool was inconstant with that
of our other drivers.  It will change the following:
If autoneg is off:
>ethtool -a eth0
Pause parameters for eth0:
Autonegotiate:  off
RX:             off
TX:             off
Before:
>ethtool -A eth0 autoneg on
>ethtool -a eth0
Pause parameters for eth0:
Autonegotiate:  off
RX:             off
TX:             off
Now:
>ethtool -A eth0 autoneg on
>ethtool -a eth0
Pause parameters for eth0:
Autonegotiate:  on
RX:             on
TX:             on
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
        else
                fc.disable_fc_autoneg = false;
 
-       if (pause->rx_pause && pause->tx_pause)
+       if ((pause->rx_pause && pause->tx_pause) || pause->autoneg)
                fc.requested_mode = ixgbe_fc_full;
        else if (pause->rx_pause && !pause->tx_pause)
                fc.requested_mode = ixgbe_fc_rx_pause;