rx_head            95 dev/isa/if_ex.c   	u_int rx_head; 		/* Head of receive ring buffer. */
rx_head           376 dev/isa/if_ex.c 	sc->rx_head = sc->rx_lower_limit;
rx_head           689 dev/isa/if_ex.c 	ISA_PUT_2(HOST_ADDR_REG, sc->rx_head);
rx_head           692 dev/isa/if_ex.c 		sc->rx_head = ISA_GET_2(IO_PORT_REG);
rx_head           759 dev/isa/if_ex.c 		ISA_PUT_2(HOST_ADDR_REG, sc->rx_head);
rx_head           762 dev/isa/if_ex.c 	if (sc->rx_head < sc->rx_lower_limit + 2)
rx_head           765 dev/isa/if_ex.c 		ISA_PUT_2(RCV_STOP_REG, sc->rx_head - 2);