RT2573_TX_NEED_ACK 1137 dev/usb/if_rum.c 		    (needrts ? RT2573_TX_NEED_ACK : 0) | RT2573_TX_MORE_FRAG,
RT2573_TX_NEED_ACK 1169 dev/usb/if_rum.c 		flags |= RT2573_TX_NEED_ACK;