dev/firewire/if_fwip.c

210 	struct fw_xfer *xfer, *next;
230 		for (xfer = STAILQ_FIRST(&fwip->fwb.xferlist); xfer != NULL;
231 					xfer = next) {
232 			next = STAILQ_NEXT(xfer, link);
233 			fw_xfer_free(xfer);
236 		for (xfer = STAILQ_FIRST(&fwip->xferlist); xfer != NULL;
237 					xfer = next) {
238 			next = STAILQ_NEXT(xfer, link);
239 			fw_xfer_free(xfer);
283 	struct fw_xfer *xfer;
330 		/* pre-allocate xfer */
333 			xfer = fw_xfer_alloc(M_FWIP);
334 			if (xfer == NULL)
337 			xfer->recv.payload = mtod(m, uint32_t *);
338 			xfer->recv.pay_len = MCLBYTES;
339 			xfer->hand = fwip_unicast_input;
340 			xfer->fc = fc;
341 			xfer->sc = (caddr_t)fwip;
342 			xfer->mbuf = m;
343 			STAILQ_INSERT_TAIL(&fwip->fwb.xferlist, xfer, link);
349 			xfer = fw_xfer_alloc(M_FWIP);
350 			if (xfer == NULL)
352 			xfer->send.spd = tx_speed;
353 			xfer->fc = fwip->fd.fc;
354 			xfer->sc = (caddr_t)fwip;
355 			xfer->hand = fwip_output_callback;
356 			STAILQ_INSERT_TAIL(&fwip->xferlist, xfer, link);
469 fwip_output_callback(struct fw_xfer *xfer)
475 	fwip = (struct fwip_softc *)xfer->sc;
478 	FWIPDEBUG(ifp, "resp = %d\n", xfer->resp);
479 	if (xfer->resp != 0)
481 	m_freem(xfer->mbuf);
482 	fw_xfer_unload(xfer);
486 	STAILQ_INSERT_TAIL(&fwip->xferlist, xfer, link);
539 	struct fw_xfer *xfer;
546 	xfer = NULL;
551 		xfer = STAILQ_FIRST(&fwip->xferlist);
552 		if (xfer == NULL) {
555 			printf("if_fwip: lack of xfer\n");
565 			STAILQ_INSERT_HEAD(&fwip->xferlist, xfer, link);
590 		 * Put the mbuf in the xfer early in case we hit an
594 		xfer->mbuf = m;
600 		fp = &xfer->send.hdr;
617 			xfer->send.spd = 0;
643 					fwip_output_callback(xfer);
662 			xfer->send.spd = min(destfw->sspd, fc->speed);
665 		xfer->send.pay_len = m->m_pkthdr.len;
667 		error = fw_asyreq(fc, -1, xfer);
673 			xfer->mbuf = 0;
675 			STAILQ_INSERT_TAIL(&fwip->xferlist, xfer, link);
684 			fwip_output_callback(xfer);
817 fwip_unicast_input_recycle(struct fwip_softc *fwip, struct fw_xfer *xfer)
822 	 * We have finished with a unicast xfer. Allocate a new
826 	xfer->mbuf = m;
827 	xfer->recv.payload = mtod(m, uint32_t *);
828 	xfer->recv.pay_len = MCLBYTES;
829 	xfer->mbuf = m;
830 	STAILQ_INSERT_TAIL(&fwip->fwb.xferlist, xfer, link);
834 fwip_unicast_input(struct fw_xfer *xfer)
845 	fwip = (struct fwip_softc *)xfer->sc;
847 	m = xfer->mbuf;
848 	xfer->mbuf = 0;
849 	fp = &xfer->recv.hdr;
869 	fwip_unicast_input_recycle(fwip, xfer);