5  * SPDX-License-Identifier: Apache-2.0
43 	struct eth_stellaris_runtime *dev_data = dev->data;  in eth_stellaris_flush()
45 	if (dev_data->tx_pos != 0) {  in eth_stellaris_flush()
46 		sys_write32(dev_data->tx_word, REG_MACDATA);  in eth_stellaris_flush()
47 		dev_data->tx_pos = 0;  in eth_stellaris_flush()
48 		dev_data->tx_word = 0U;  in eth_stellaris_flush()
54 	struct eth_stellaris_runtime *dev_data = dev->data;  in eth_stellaris_send_byte()
56 	dev_data->tx_word |= byte << (dev_data->tx_pos * 8);  in eth_stellaris_send_byte()
57 	dev_data->tx_pos++;  in eth_stellaris_send_byte()
58 	if (dev_data->tx_pos == 4) {  in eth_stellaris_send_byte()
59 		sys_write32(dev_data->tx_word, REG_MACDATA);  in eth_stellaris_send_byte()
60 		dev_data->tx_pos = 0;  in eth_stellaris_send_byte()
61 		dev_data->tx_word = 0U;  in eth_stellaris_send_byte()
67 	struct eth_stellaris_runtime *dev_data = dev->data;  in eth_stellaris_send()
76 	data_len = net_pkt_get_len(pkt) - sizeof(struct net_eth_hdr);  in eth_stellaris_send()
81 	for (frag = pkt->frags; frag; frag = frag->frags) {  in eth_stellaris_send()
82 		for (i = 0U; i < frag->len; ++i) {  in eth_stellaris_send()
83 			eth_stellaris_send_byte(dev, frag->data[i]);  in eth_stellaris_send()
94 	k_sem_take(&dev_data->tx_sem, K_FOREVER);  in eth_stellaris_send()
96 	if (dev_data->tx_err) {  in eth_stellaris_send()
97 		dev_data->tx_err = false;  in eth_stellaris_send()
98 		return -EIO;  in eth_stellaris_send()
136 	 * +---------+---- ... -------+  in eth_stellaris_rx_pkt()
138 	 * +---------+---- ... -------+  in eth_stellaris_rx_pkt()
165 	bytes_left = frame_len - 4;  in eth_stellaris_rx_pkt()
167 	/* Read the rest of words, minus the partial word and FCS byte. */  in eth_stellaris_rx_pkt()
168 	for (; bytes_left > 7; bytes_left -= 4) {  in eth_stellaris_rx_pkt()
177 	/* Handle the last partial word and discard the 4 Byte FCS. */  in eth_stellaris_rx_pkt()
182 		/* Discard the last FCS word. */  in eth_stellaris_rx_pkt()
188 		count = bytes_left - 4;  in eth_stellaris_rx_pkt()
194 		bytes_left -= 4;  in eth_stellaris_rx_pkt()
207 	struct eth_stellaris_runtime *dev_data = dev->data;  in eth_stellaris_rx()
208 	struct net_if *iface = dev_data->iface;  in eth_stellaris_rx()
218 		LOG_ERR("Failed to place frame in RX Queue");  in eth_stellaris_rx()
229 	return -EIO;  in eth_stellaris_rx()
234 	struct eth_stellaris_runtime *dev_data = dev->data;  in eth_stellaris_isr()
260 		dev_data->tx_err = false;  in eth_stellaris_isr()
261 		k_sem_give(&dev_data->tx_sem);  in eth_stellaris_isr()
266 		eth_stats_update_errors_tx(dev_data->iface);  in eth_stellaris_isr()
267 		dev_data->tx_err = true;  in eth_stellaris_isr()
268 		k_sem_give(&dev_data->tx_sem);  in eth_stellaris_isr()
273 		eth_stellaris_rx_error(dev_data->iface);  in eth_stellaris_isr()
277 		LOG_ERR("Error Rx Overrun");  in eth_stellaris_isr()
278 		eth_stellaris_rx_error(dev_data->iface);  in eth_stellaris_isr()
287 	const struct eth_stellaris_config *dev_conf = dev->config;  in eth_stellaris_init()
288 	struct eth_stellaris_runtime *dev_data = dev->data;  in eth_stellaris_init()
290 	dev_data->iface = iface;  in eth_stellaris_init()
294 			     dev_data->mac_addr, 6, NET_LINK_ETHERNET);  in eth_stellaris_init()
299 	k_sem_init(&dev_data->tx_sem, 0, 1);  in eth_stellaris_init()
302 	dev_conf->config_func(dev);  in eth_stellaris_init()
308 	struct eth_stellaris_runtime *dev_data = dev->data;  in eth_stellaris_stats()
310 	return &dev_data->stats;  in eth_stellaris_stats()