dev/firewire/if_fwip.c

208 	struct fw_xferq *xferq;
216 		xferq = fc->ir[fwip->dma_ch];
218 		if (xferq->flag & FWXFERQ_RUNNING)
220 		xferq->flag &=
223 		xferq->hand =  NULL;
225 		for (i = 0; i < xferq->bnchunk; i++)
226 			m_freem(xferq->bulkxfer[i].mbuf);
227 		free(xferq->bulkxfer, M_FWIP);
243 		xferq->bulkxfer =  NULL;
282 	struct fw_xferq *xferq;
295 		xferq = fc->ir[fwip->dma_ch];
296 		xferq->flag |= FWXFERQ_EXTBUF |
298 		xferq->flag &= ~0xff;
299 		xferq->flag |= broadcast_channel & 0xff;
301 		xferq->sc = (caddr_t) fwip;
302 		xferq->hand = fwip_stream_input;
303 		xferq->bnchunk = rx_queue_len;
304 		xferq->bnpacket = 1;
305 		xferq->psize = MCLBYTES;
306 		xferq->queued = 0;
307 		xferq->buf = NULL;
308 		xferq->bulkxfer = (struct fw_bulkxfer *) malloc(
309 			sizeof(struct fw_bulkxfer) * xferq->bnchunk,
311 		if (xferq->bulkxfer == NULL) {
315 		STAILQ_INIT(&xferq->stvalid);
316 		STAILQ_INIT(&xferq->stfree);
317 		STAILQ_INIT(&xferq->stdma);
318 		xferq->stproc = NULL;
319 		for (i = 0; i < xferq->bnchunk; i++) {
321 			xferq->bulkxfer[i].mbuf = m;
323 			STAILQ_INSERT_TAIL(&xferq->stfree,
324 					&xferq->bulkxfer[i], link);
359 		xferq = fc->ir[fwip->dma_ch];
365 	if ((xferq->flag & FWXFERQ_RUNNING) == 0)
540 	struct fw_xferq *xferq;
547 	xferq = fc->atq;
548 	while ((xferq->queued < xferq->maxq - 1) &&
696 		xferq->start(fc);
709 fwip_stream_input(struct fw_xferq *xferq)
721 	fwip = (struct fwip_softc *)xferq->sc;
724 	while ((sxfer = STAILQ_FIRST(&xferq->stvalid)) != NULL) {
725 		STAILQ_REMOVE_HEAD(&xferq->stvalid, link);
735 			STAILQ_INSERT_TAIL(&xferq->stfree, sxfer, link);
812 	if (STAILQ_FIRST(&xferq->stfree) != NULL)