dev/ath/if_ath_tx_edma.c

145 ath_tx_alq_edma_push(struct ath_softc *sc, int txq, int nframes,
150 	aq.txq = htobe32(txq);
173 ath_tx_edma_push_staging_list(struct ath_softc *sc, struct ath_txq *txq,
181 	ATH_TXQ_LOCK_ASSERT(txq);
186 	    txq->axq_qnum,
187 	    txq->axq_fifo_depth,
188 	    !! (TAILQ_EMPTY(&txq->axq_q)));
193 	if (txq->axq_fifo_depth >= HAL_TXFIFO_DEPTH)
196 	if (TAILQ_EMPTY(&txq->axq_q))
208 		bf = ATH_TXQ_FIRST(txq);
211 		ATH_TXQ_REMOVE(txq, bf, bf_list);
223 	 * frames from the txq.  Now let's wrap that up
258 			ath_printtxbuf(sc, bfi, txq->axq_qnum, i, 0);
274 	TAILQ_CONCAT(&txq->fifo.axq_q, &sq, bf_list);
276 	txq->fifo.axq_depth += sqdepth;
279 	txq->axq_fifo_depth++;
282 	    __func__, sqdepth, txq->fifo.axq_depth, txq->axq_fifo_depth);
285 	ath_hal_puttxbuf(sc->sc_ah, txq->axq_qnum, bf->bf_daddr);
288 	ath_hal_txstart(sc->sc_ah, txq->axq_qnum);
291 	ath_tx_alq_edma_push(sc, txq->axq_qnum, sqdepth,
292 	    txq->axq_fifo_depth,
293 	    txq->fifo.axq_depth);
303 ath_edma_tx_fifo_fill(struct ath_softc *sc, struct ath_txq *txq)
306 	ATH_TXQ_LOCK_ASSERT(txq);
311 	    txq->axq_qnum,
312 	    txq->fifo.axq_depth,
313 	    txq->axq_fifo_depth,
314 	    txq->axq_depth,
315 	    txq->axq_aggr_depth);
364 	if (txq->axq_depth >= TX_BATCH_SIZE / 2 &&
365 	    txq->fifo.axq_depth <= TX_BATCH_SIZE) {
366 		ath_tx_edma_push_staging_list(sc, txq, TX_BATCH_SIZE);
380 	else if (txq->axq_aggr_depth > 0 && txq->axq_fifo_depth < 2)
381 		ath_tx_edma_push_staging_list(sc, txq, TX_BATCH_SIZE);
391 	else if (txq->axq_fifo_depth == 0) {
392 		ath_tx_edma_push_staging_list(sc, txq, TX_BATCH_SIZE);
404 ath_edma_dma_restart(struct ath_softc *sc, struct ath_txq *txq)
413 	    txq->axq_qnum);
415 	ATH_TXQ_LOCK_ASSERT(txq);
421 	old_fifo_depth = txq->axq_fifo_depth;
422 	txq->axq_fifo_depth = 0;
432 	TAILQ_FOREACH(bf, &txq->fifo.axq_q, bf_list) {
442 			ath_printtxbuf(sc, bf, txq->axq_qnum, i, 0);
456 		if (txq->axq_fifo_depth >= HAL_TXFIFO_DEPTH) {
460 			    txq->axq_qnum,
461 			    txq->axq_fifo_depth);
468 		    txq->axq_qnum,
469 		    txq->axq_fifo_depth,
483 		ath_hal_puttxbuf(sc->sc_ah, txq->axq_qnum, bf->bf_daddr);
484 		txq->axq_fifo_depth++;
498 		ath_hal_txstart(sc->sc_ah, txq->axq_qnum);
502 	    txq->axq_qnum,
504 	    txq->axq_fifo_depth);
507 	if (txq->axq_fifo_depth != old_fifo_depth) {
511 		    txq->axq_qnum,
513 		    txq->axq_fifo_depth);
530 ath_edma_xmit_handoff_hw(struct ath_softc *sc, struct ath_txq *txq,
534 	ATH_TXQ_LOCK(txq);
541 	 * the queue id in the TX descriptor matches txq->axq_qnum.
546 		txq->axq_aggr_depth++;
549 	ATH_TXQ_INSERT_TAIL(txq, bf, bf_list);
555 	ath_edma_tx_fifo_fill(sc, txq);
556 	ATH_TXQ_UNLOCK(txq);
567 ath_edma_xmit_handoff_mcast(struct ath_softc *sc, struct ath_txq *txq,
575 	ATH_TXQ_LOCK(txq);
579 	if (ATH_TXQ_LAST(txq, axq_q_s) != NULL) {
580 		struct ath_buf *bf_last = ATH_TXQ_LAST(txq, axq_q_s);
600 	ATH_TXQ_INSERT_TAIL(txq, bf, bf_list);
601 	ATH_TXQ_UNLOCK(txq);
622 ath_edma_xmit_handoff(struct ath_softc *sc, struct ath_txq *txq,
627 	    "%s: called; bf=%p, txq=%p, qnum=%d\n",
630 	    txq,
631 	    txq->axq_qnum);
633 	if (txq->axq_qnum == ATH_TXQ_SWQ)
634 		ath_edma_xmit_handoff_mcast(sc, txq, bf);
636 		ath_edma_xmit_handoff_hw(sc, txq, bf);
801 	struct ath_txq *txq;
878 		txq = &sc->sc_txq[ts.ts_queue_id];
880 		ATH_TXQ_LOCK(txq);
881 		bf = ATH_TXQ_FIRST(&txq->fifo);
892 			ATH_TXQ_UNLOCK(txq);
918 		ATH_TXQ_REMOVE(&txq->fifo, bf, bf_list);
920 			txq->axq_aggr_depth--;
926 			txq->axq_fifo_depth--;
937 		    txq->axq_qnum,
938 		    txq->axq_fifo_depth,
939 		    txq->fifo.axq_depth);
942 		ATH_TXQ_UNLOCK(txq);
950 			ATH_TXQ_LOCK(txq);
951 			ath_txq_freeholdingbuf(sc, txq);
952 			ATH_TXQ_UNLOCK(txq);
1019 		ath_tx_process_buf_completion(sc, txq, &ts, bf);
1029 	 * the txq task for _one_ TXQ.  This should be fixed.