244 	if (qca->txr.skb[qca->txr.head] == NULL)  in qcaspi_transmit()
249 	while (qca->txr.skb[qca->txr.head]) {  in qcaspi_transmit()
250 		pkt_len = qca->txr.skb[qca->txr.head]->len + QCASPI_HW_PKT_LEN;  in qcaspi_transmit()
258 		if (qcaspi_tx_frame(qca, qca->txr.skb[qca->txr.head]) == -1) {  in qcaspi_transmit()
265 		n_stats->tx_bytes += qca->txr.skb[qca->txr.head]->len;  in qcaspi_transmit()
273 		dev_kfree_skb(qca->txr.skb[qca->txr.head]);  in qcaspi_transmit()
274 		qca->txr.skb[qca->txr.head] = NULL;  in qcaspi_transmit()
275 		qca->txr.size -= pkt_len;  in qcaspi_transmit()
276 		new_head = qca->txr.head + 1;  in qcaspi_transmit()
277 		if (new_head >= qca->txr.count)  in qcaspi_transmit()
279 		qca->txr.head = new_head;  in qcaspi_transmit()
400 qcaspi_tx_ring_has_space(struct tx_ring *txr)  in qcaspi_tx_ring_has_space()  argument
402 	if (txr->skb[txr->tail])  in qcaspi_tx_ring_has_space()
405 	return (txr->size + QCAFRM_ETHMAXLEN < QCASPI_HW_BUF_LEN) ? 1 : 0;  in qcaspi_tx_ring_has_space()
422 		if (qca->txr.skb[i]) {  in qcaspi_flush_tx_ring()
423 			dev_kfree_skb(qca->txr.skb[i]);  in qcaspi_flush_tx_ring()
424 			qca->txr.skb[i] = NULL;  in qcaspi_flush_tx_ring()
428 	qca->txr.tail = 0;  in qcaspi_flush_tx_ring()
429 	qca->txr.head = 0;  in qcaspi_flush_tx_ring()
430 	qca->txr.size = 0;  in qcaspi_flush_tx_ring()
519 		    (qca->txr.skb[qca->txr.head] == NULL) &&  in qcaspi_spi_thread()
527 			   qca->txr.skb[qca->txr.head]);  in qcaspi_spi_thread()
672 	if (qca->txr.skb[qca->txr.tail]) {  in qcaspi_netdev_xmit()
708 	qca->txr.size += skb->len + QCASPI_HW_PKT_LEN;  in qcaspi_netdev_xmit()
710 	new_tail = qca->txr.tail + 1;  in qcaspi_netdev_xmit()
711 	if (new_tail >= qca->txr.count)  in qcaspi_netdev_xmit()
714 	qca->txr.skb[qca->txr.tail] = skb;  in qcaspi_netdev_xmit()
715 	qca->txr.tail = new_tail;  in qcaspi_netdev_xmit()
717 	if (!qcaspi_tx_ring_has_space(&qca->txr)) {  in qcaspi_netdev_xmit()
830 	memset(&qca->txr, 0, sizeof(qca->txr));  in qcaspi_netdev_setup()
831 	qca->txr.count = TX_RING_MAX_LEN;  in qcaspi_netdev_setup()