dev/sbus/qe.c

437 	unsigned int bix, len;
443 	bix = sc->sc_rb.rb_tdhead;
459 		len = qe_put(sc, bix, m);
464 		txd[bix].xd_flags = QEC_XD_OWN | QEC_XD_SOP | QEC_XD_EOP |
469 		if (++bix == QEC_XD_RING_MAXSIZE)
470 			bix = 0;
475 	sc->sc_rb.rb_tdhead = bix;
609 	unsigned int bix, txflags;
611 	bix = sc->sc_rb.rb_tdtail;
617 		txflags = sc->sc_rb.rb_txd[bix].xd_flags;
624 		if (++bix == QEC_XD_RING_MAXSIZE)
625 			bix = 0;
630 	sc->sc_rb.rb_tdtail = bix;
647 	unsigned int bix, len;
653 	bix = sc->sc_rb.rb_rdtail;
659 		len = xd[bix].xd_flags;
669 		qe_read(sc, bix, len);
672 		xd[(bix+nrbuf) % QEC_XD_RING_MAXSIZE].xd_flags =
675 		if (++bix == QEC_XD_RING_MAXSIZE)
676 			bix = 0;
681 			device_xname(sc->sc_dev), bix, len);
684 	sc->sc_rb.rb_rdtail = bix;