IXGBE_FLAG_NEED_LINK_CONFIG
adapter->flags |= IXGBE_FLAG_NEED_LINK_CONFIG;
adapter->flags &= ~IXGBE_FLAG_NEED_LINK_CONFIG;
adapter->flags |= IXGBE_FLAG_NEED_LINK_CONFIG;
if (!(adapter->flags & IXGBE_FLAG_NEED_LINK_CONFIG))
adapter->flags &= ~IXGBE_FLAG_NEED_LINK_CONFIG;