hns_mac_adjust_link
hns_mac_adjust_link(mac_cb, speed, duplex);
hns_mac_adjust_link(mac_cb, speed, duplex);
hns_mac_adjust_link(mac_cb, mac_cb->speed, !mac_cb->half_duplex);
void hns_mac_adjust_link(struct hns_mac_cb *mac_cb, int speed, int duplex);