288 	if (qca->txr.skb[qca->txr.head] == NULL)  in qcaspi_transmit()
301 	while (qca->txr.skb[qca->txr.head]) {  in qcaspi_transmit()
302 		pkt_len = qca->txr.skb[qca->txr.head]->len + QCASPI_HW_PKT_LEN;  in qcaspi_transmit()
310 		if (qcaspi_tx_frame(qca, qca->txr.skb[qca->txr.head]) == -1) {  in qcaspi_transmit()
317 		n_stats->tx_bytes += qca->txr.skb[qca->txr.head]->len;  in qcaspi_transmit()
325 		dev_kfree_skb(qca->txr.skb[qca->txr.head]);  in qcaspi_transmit()
326 		qca->txr.skb[qca->txr.head] = NULL;  in qcaspi_transmit()
327 		qca->txr.size -= pkt_len;  in qcaspi_transmit()
328 		new_head = qca->txr.head + 1;  in qcaspi_transmit()
329 		if (new_head >= qca->txr.count)  in qcaspi_transmit()
331 		qca->txr.head = new_head;  in qcaspi_transmit()
460 qcaspi_tx_ring_has_space(struct tx_ring *txr)  in qcaspi_tx_ring_has_space()  argument
462 	if (txr->skb[txr->tail])  in qcaspi_tx_ring_has_space()
465 	return (txr->size + QCAFRM_MAX_LEN < QCASPI_HW_BUF_LEN) ? 1 : 0;  in qcaspi_tx_ring_has_space()
482 		if (qca->txr.skb[i]) {  in qcaspi_flush_tx_ring()
483 			dev_kfree_skb(qca->txr.skb[i]);  in qcaspi_flush_tx_ring()
484 			qca->txr.skb[i] = NULL;  in qcaspi_flush_tx_ring()
488 	qca->txr.tail = 0;  in qcaspi_flush_tx_ring()
489 	qca->txr.head = 0;  in qcaspi_flush_tx_ring()
490 	qca->txr.size = 0;  in qcaspi_flush_tx_ring()
598 		    !qca->txr.skb[qca->txr.head])  in qcaspi_spi_thread()
605 			   qca->txr.skb[qca->txr.head]);  in qcaspi_spi_thread()
753 	if (qca->txr.skb[qca->txr.tail]) {  in qcaspi_netdev_xmit()
787 	qca->txr.size += skb->len + QCASPI_HW_PKT_LEN;  in qcaspi_netdev_xmit()
789 	new_tail = qca->txr.tail + 1;  in qcaspi_netdev_xmit()
790 	if (new_tail >= qca->txr.count)  in qcaspi_netdev_xmit()
793 	qca->txr.skb[qca->txr.tail] = skb;  in qcaspi_netdev_xmit()
794 	qca->txr.tail = new_tail;  in qcaspi_netdev_xmit()
796 	if (!qcaspi_tx_ring_has_space(&qca->txr)) {  in qcaspi_netdev_xmit()
892 	memset(&qca->txr, 0, sizeof(qca->txr));  in qcaspi_netdev_setup()
893 	qca->txr.count = TX_RING_MAX_LEN;  in qcaspi_netdev_setup()