KS8842_PORT_CTRL_1_OFFSET
KS8842_PORT_CTRL_1_OFFSET, PORT_BROADCAST_STORM, set);
KS8842_PORT_CTRL_1_OFFSET, PORT_DIFFSERV_ENABLE, set);
KS8842_PORT_CTRL_1_OFFSET, PORT_802_1P_ENABLE, set);
KS8842_PORT_CTRL_1_OFFSET, PORT_PRIO_QUEUE_ENABLE, set);
port_r16(hw, port, KS8842_PORT_CTRL_1_OFFSET, &data);
port_w16(hw, port, KS8842_PORT_CTRL_1_OFFSET, data);