92 #define to_mse102x_spi(mse) container_of((mse), struct mse102x_net_spi, mse102x)  argument
148 static void mse102x_tx_cmd_spi(struct mse102x_net *mse, u16 cmd)  in mse102x_tx_cmd_spi()  argument
150 	struct mse102x_net_spi *mses = to_mse102x_spi(mse);  in mse102x_tx_cmd_spi()
165 		netdev_err(mse->ndev, "%s: spi_sync() failed: %d\n",  in mse102x_tx_cmd_spi()
167 		mse->stats.xfer_err++;  in mse102x_tx_cmd_spi()
171 static int mse102x_rx_cmd_spi(struct mse102x_net *mse, u8 *rxb)  in mse102x_rx_cmd_spi()  argument
173 	struct mse102x_net_spi *mses = to_mse102x_spi(mse);  in mse102x_rx_cmd_spi()
176 	__be16 *txb = (__be16 *)mse->txd;  in mse102x_rx_cmd_spi()
177 	__be16 *cmd = (__be16 *)mse->rxd;  in mse102x_rx_cmd_spi()
178 	u8 *trx = mse->rxd;  in mse102x_rx_cmd_spi()
190 		netdev_err(mse->ndev, "%s: spi_sync() failed: %d\n",  in mse102x_rx_cmd_spi()
192 		mse->stats.xfer_err++;  in mse102x_rx_cmd_spi()
196 		mse->stats.invalid_cmd++;  in mse102x_rx_cmd_spi()
219 static int mse102x_tx_frame_spi(struct mse102x_net *mse, struct sk_buff *txp,  in mse102x_tx_frame_spi()  argument
222 	struct mse102x_net_spi *mses = to_mse102x_spi(mse);  in mse102x_tx_frame_spi()
228 	netif_dbg(mse, tx_queued, mse->ndev, "%s: skb %p, %d@%p\n",  in mse102x_tx_frame_spi()
255 		netdev_err(mse->ndev, "%s: spi_sync() failed: %d\n",  in mse102x_tx_frame_spi()
257 		mse->stats.xfer_err++;  in mse102x_tx_frame_spi()
263 static int mse102x_rx_frame_spi(struct mse102x_net *mse, u8 *buff,  in mse102x_rx_frame_spi()  argument
266 	struct mse102x_net_spi *mses = to_mse102x_spi(mse);  in mse102x_rx_frame_spi()
279 		netdev_err(mse->ndev, "%s: spi_sync() failed: %d\n",  in mse102x_rx_frame_spi()
281 		mse->stats.xfer_err++;  in mse102x_rx_frame_spi()
283 		netdev_dbg(mse->ndev, "%s: SPI start of frame is invalid (0x%04x)\n",  in mse102x_rx_frame_spi()
285 		mse->stats.invalid_sof++;  in mse102x_rx_frame_spi()
288 		netdev_dbg(mse->ndev, "%s: SPI frame tail is invalid (0x%04x)\n",  in mse102x_rx_frame_spi()
290 		mse->stats.invalid_dft++;  in mse102x_rx_frame_spi()
304 static void mse102x_rx_pkt_spi(struct mse102x_net *mse)  in mse102x_rx_pkt_spi()  argument
314 	mse102x_tx_cmd_spi(mse, CMD_CTR);  in mse102x_rx_pkt_spi()
315 	ret = mse102x_rx_cmd_spi(mse, (u8 *)&rx);  in mse102x_rx_pkt_spi()
321 		mse102x_tx_cmd_spi(mse, CMD_CTR);  in mse102x_rx_pkt_spi()
322 		ret = mse102x_rx_cmd_spi(mse, (u8 *)&rx);  in mse102x_rx_pkt_spi()
330 			mse->stats.invalid_rts++;  in mse102x_rx_pkt_spi()
341 		mse->stats.invalid_len++;  in mse102x_rx_pkt_spi()
346 	skb = netdev_alloc_skb_ip_align(mse->ndev, rxalign);  in mse102x_rx_pkt_spi()
355 	if (mse102x_rx_frame_spi(mse, rxpkt, rxlen)) {  in mse102x_rx_pkt_spi()
356 		mse->ndev->stats.rx_errors++;  in mse102x_rx_pkt_spi()
361 	if (netif_msg_pktdata(mse))  in mse102x_rx_pkt_spi()
364 	skb->protocol = eth_type_trans(skb, mse->ndev);  in mse102x_rx_pkt_spi()
367 	mse->ndev->stats.rx_packets++;  in mse102x_rx_pkt_spi()
368 	mse->ndev->stats.rx_bytes += rxlen;  in mse102x_rx_pkt_spi()
371 static int mse102x_tx_pkt_spi(struct mse102x_net *mse, struct sk_buff *txb,  in mse102x_tx_pkt_spi()  argument
384 		mse102x_tx_cmd_spi(mse, CMD_RTS | (txb->len + pad));  in mse102x_tx_pkt_spi()
385 		ret = mse102x_rx_cmd_spi(mse, (u8 *)&rx);  in mse102x_tx_pkt_spi()
395 			mse->stats.invalid_ctr++;  in mse102x_tx_pkt_spi()
407 			netif_stop_queue(mse->ndev);  in mse102x_tx_pkt_spi()
416 	ret = mse102x_tx_frame_spi(mse, txb, pad);  in mse102x_tx_pkt_spi()
431 	struct mse102x_net *mse;  in mse102x_tx_work()  local
436 	mse = &mses->mse102x;  in mse102x_tx_work()
438 	while ((txb = skb_dequeue(&mse->txq))) {  in mse102x_tx_work()
440 		ret = mse102x_tx_pkt_spi(mse, txb, work_timeout);  in mse102x_tx_work()
443 			mse->ndev->stats.tx_dropped++;  in mse102x_tx_work()
445 			mse->ndev->stats.tx_bytes += txb->len;  in mse102x_tx_work()
446 			mse->ndev->stats.tx_packets++;  in mse102x_tx_work()
453 		if (netif_msg_timer(mse))  in mse102x_tx_work()
454 			netdev_err(mse->ndev, "tx work timeout\n");  in mse102x_tx_work()
456 		mse->stats.tx_timeout++;  in mse102x_tx_work()
459 	netif_wake_queue(mse->ndev);  in mse102x_tx_work()
465 	struct mse102x_net *mse = netdev_priv(ndev);  in mse102x_start_xmit_spi()  local
466 	struct mse102x_net_spi *mses = to_mse102x_spi(mse);  in mse102x_start_xmit_spi()
468 	netif_dbg(mse, tx_queued, ndev,  in mse102x_start_xmit_spi()
471 	skb_queue_tail(&mse->txq, skb);  in mse102x_start_xmit_spi()
473 	if (skb_queue_len(&mse->txq) >= TX_QUEUE_MAX)  in mse102x_start_xmit_spi()
481 static void mse102x_init_mac(struct mse102x_net *mse, struct device_node *np)  in mse102x_init_mac()  argument
483 	struct net_device *ndev = mse->ndev;  in mse102x_init_mac()
496 	struct mse102x_net *mse = _mse;  in mse102x_irq()  local
497 	struct mse102x_net_spi *mses = to_mse102x_spi(mse);  in mse102x_irq()
500 	mse102x_rx_pkt_spi(mse);  in mse102x_irq()
508 	struct mse102x_net *mse = netdev_priv(ndev);  in mse102x_net_open()  local
512 				   ndev->name, mse);  in mse102x_net_open()
518 	netif_dbg(mse, ifup, ndev, "opening\n");  in mse102x_net_open()
524 	netif_dbg(mse, ifup, ndev, "network device up\n");  in mse102x_net_open()
531 	struct mse102x_net *mse = netdev_priv(ndev);  in mse102x_net_stop()  local
532 	struct mse102x_net_spi *mses = to_mse102x_spi(mse);  in mse102x_net_stop()
534 	netif_info(mse, ifdown, ndev, "shutting down\n");  in mse102x_net_stop()
536 	netif_carrier_off(mse->ndev);  in mse102x_net_stop()
543 	skb_queue_purge(&mse->txq);  in mse102x_net_stop()
545 	free_irq(ndev->irq, mse);  in mse102x_net_stop()
569 	struct mse102x_net *mse = netdev_priv(ndev);  in mse102x_get_msglevel()  local
571 	return mse->msg_enable;  in mse102x_get_msglevel()
576 	struct mse102x_net *mse = netdev_priv(ndev);  in mse102x_set_msglevel()  local
578 	mse->msg_enable = to;  in mse102x_set_msglevel()
584 	struct mse102x_net *mse = netdev_priv(ndev);  in mse102x_get_ethtool_stats()  local
585 	struct mse102x_stats *st = &mse->stats;  in mse102x_get_ethtool_stats()
629 	struct mse102x_net *mse = dev_get_drvdata(dev);  in mse102x_suspend()  local
630 	struct net_device *ndev = mse->ndev;  in mse102x_suspend()
642 	struct mse102x_net *mse = dev_get_drvdata(dev);  in mse102x_resume()  local
643 	struct net_device *ndev = mse->ndev;  in mse102x_resume()
661 	struct mse102x_net *mse;  in mse102x_probe_spi()  local
694 	mse = netdev_priv(ndev);  in mse102x_probe_spi()
695 	mses = to_mse102x_spi(mse);  in mse102x_probe_spi()
706 	mse->ndev = ndev;  in mse102x_probe_spi()
709 	mse->msg_enable = netif_msg_init(-1, MSG_DEFAULT);  in mse102x_probe_spi()
711 	skb_queue_head_init(&mse->txq);  in mse102x_probe_spi()
715 	dev_set_drvdata(dev, mse);  in mse102x_probe_spi()
717 	netif_carrier_off(mse->ndev);  in mse102x_probe_spi()
721 	mse102x_init_mac(mse, dev->of_node);  in mse102x_probe_spi()
736 	struct mse102x_net *mse = dev_get_drvdata(&spi->dev);  in mse102x_remove_spi()  local
737 	struct mse102x_net_spi *mses = to_mse102x_spi(mse);  in mse102x_remove_spi()
739 	if (netif_msg_drv(mse))  in mse102x_remove_spi()
743 	unregister_netdev(mse->ndev);  in mse102x_remove_spi()