1/* Synopsys DesignWare Core Enterprise Ethernet (XLGMAC) Driver
2 *
3 * Copyright (c) 2017 Synopsys, Inc. (www.synopsys.com)
4 *
5 * This program is dual-licensed; you may select either version 2 of
6 * the GNU General Public License ("GPL") or BSD license ("BSD").
7 *
8 * This Synopsys DWC XLGMAC software driver and associated documentation
9 * (hereinafter the "Software") is an unsupported proprietary work of
10 * Synopsys, Inc. unless otherwise expressly agreed to in writing between
11 * Synopsys and you. The Software IS NOT an item of Licensed Software or a
12 * Licensed Product under any End User Software License Agreement or
13 * Agreement for Licensed Products with Synopsys or any supplement thereto.
14 * Synopsys is a registered trademark of Synopsys, Inc. Other names included
15 * in the SOFTWARE may be the trademarks of their respective owners.
16 */
17
18#include <linux/kernel.h>
19#include <linux/module.h>
20
21#include "dwc-xlgmac.h"
22#include "dwc-xlgmac-reg.h"
23
24MODULE_LICENSE("Dual BSD/GPL");
25
26static int debug = -1;
27module_param(debug, int, 0644);
28MODULE_PARM_DESC(debug, "DWC ethernet debug level (0=none,...,16=all)");
29static const u32 default_msg_level = (NETIF_MSG_LINK | NETIF_MSG_IFDOWN |
30				      NETIF_MSG_IFUP);
31
32static unsigned char dev_addr[6] = {0, 0x55, 0x7b, 0xb5, 0x7d, 0xf7};
33
34static void xlgmac_read_mac_addr(struct xlgmac_pdata *pdata)
35{
36	struct net_device *netdev = pdata->netdev;
37
38	/* Currently it uses a static mac address for test */
39	memcpy(pdata->mac_addr, dev_addr, netdev->addr_len);
40}
41
42static void xlgmac_default_config(struct xlgmac_pdata *pdata)
43{
44	pdata->tx_osp_mode = DMA_OSP_ENABLE;
45	pdata->tx_sf_mode = MTL_TSF_ENABLE;
46	pdata->rx_sf_mode = MTL_RSF_DISABLE;
47	pdata->pblx8 = DMA_PBL_X8_ENABLE;
48	pdata->tx_pbl = DMA_PBL_32;
49	pdata->rx_pbl = DMA_PBL_32;
50	pdata->tx_threshold = MTL_TX_THRESHOLD_128;
51	pdata->rx_threshold = MTL_RX_THRESHOLD_128;
52	pdata->tx_pause = 1;
53	pdata->rx_pause = 1;
54	pdata->phy_speed = SPEED_25000;
55	pdata->sysclk_rate = XLGMAC_SYSCLOCK;
56
57	strscpy(pdata->drv_name, XLGMAC_DRV_NAME, sizeof(pdata->drv_name));
58	strscpy(pdata->drv_ver, XLGMAC_DRV_VERSION, sizeof(pdata->drv_ver));
59}
60
61static void xlgmac_init_all_ops(struct xlgmac_pdata *pdata)
62{
63	xlgmac_init_desc_ops(&pdata->desc_ops);
64	xlgmac_init_hw_ops(&pdata->hw_ops);
65}
66
67static int xlgmac_init(struct xlgmac_pdata *pdata)
68{
69	struct xlgmac_hw_ops *hw_ops = &pdata->hw_ops;
70	struct net_device *netdev = pdata->netdev;
71	unsigned int i;
72	int ret;
73
74	/* Set default configuration data */
75	xlgmac_default_config(pdata);
76
77	/* Set irq, base_addr, MAC address, */
78	netdev->irq = pdata->dev_irq;
79	netdev->base_addr = (unsigned long)pdata->mac_regs;
80	xlgmac_read_mac_addr(pdata);
81	eth_hw_addr_set(netdev, pdata->mac_addr);
82
83	/* Set all the function pointers */
84	xlgmac_init_all_ops(pdata);
85
86	/* Issue software reset to device */
87	hw_ops->exit(pdata);
88
89	/* Populate the hardware features */
90	xlgmac_get_all_hw_features(pdata);
91	xlgmac_print_all_hw_features(pdata);
92
93	/* TODO: Set the PHY mode to XLGMII */
94
95	/* Set the DMA mask */
96	ret = dma_set_mask_and_coherent(pdata->dev,
97					DMA_BIT_MASK(pdata->hw_feat.dma_width));
98	if (ret) {
99		dev_err(pdata->dev, "dma_set_mask_and_coherent failed\n");
100		return ret;
101	}
102
103	/* Channel and ring params initializtion
104	 *  pdata->channel_count;
105	 *  pdata->tx_ring_count;
106	 *  pdata->rx_ring_count;
107	 *  pdata->tx_desc_count;
108	 *  pdata->rx_desc_count;
109	 */
110	BUILD_BUG_ON_NOT_POWER_OF_2(XLGMAC_TX_DESC_CNT);
111	pdata->tx_desc_count = XLGMAC_TX_DESC_CNT;
112	if (pdata->tx_desc_count & (pdata->tx_desc_count - 1)) {
113		dev_err(pdata->dev, "tx descriptor count (%d) is not valid\n",
114			pdata->tx_desc_count);
115		ret = -EINVAL;
116		return ret;
117	}
118	BUILD_BUG_ON_NOT_POWER_OF_2(XLGMAC_RX_DESC_CNT);
119	pdata->rx_desc_count = XLGMAC_RX_DESC_CNT;
120	if (pdata->rx_desc_count & (pdata->rx_desc_count - 1)) {
121		dev_err(pdata->dev, "rx descriptor count (%d) is not valid\n",
122			pdata->rx_desc_count);
123		ret = -EINVAL;
124		return ret;
125	}
126
127	pdata->tx_ring_count = min_t(unsigned int, num_online_cpus(),
128				     pdata->hw_feat.tx_ch_cnt);
129	pdata->tx_ring_count = min_t(unsigned int, pdata->tx_ring_count,
130				     pdata->hw_feat.tx_q_cnt);
131	pdata->tx_q_count = pdata->tx_ring_count;
132	ret = netif_set_real_num_tx_queues(netdev, pdata->tx_q_count);
133	if (ret) {
134		dev_err(pdata->dev, "error setting real tx queue count\n");
135		return ret;
136	}
137
138	pdata->rx_ring_count = min_t(unsigned int,
139				     netif_get_num_default_rss_queues(),
140				     pdata->hw_feat.rx_ch_cnt);
141	pdata->rx_ring_count = min_t(unsigned int, pdata->rx_ring_count,
142				     pdata->hw_feat.rx_q_cnt);
143	pdata->rx_q_count = pdata->rx_ring_count;
144	ret = netif_set_real_num_rx_queues(netdev, pdata->rx_q_count);
145	if (ret) {
146		dev_err(pdata->dev, "error setting real rx queue count\n");
147		return ret;
148	}
149
150	pdata->channel_count =
151		max_t(unsigned int, pdata->tx_ring_count, pdata->rx_ring_count);
152
153	/* Initialize RSS hash key and lookup table */
154	netdev_rss_key_fill(pdata->rss_key, sizeof(pdata->rss_key));
155
156	for (i = 0; i < XLGMAC_RSS_MAX_TABLE_SIZE; i++)
157		pdata->rss_table[i] = XLGMAC_SET_REG_BITS(
158					pdata->rss_table[i],
159					MAC_RSSDR_DMCH_POS,
160					MAC_RSSDR_DMCH_LEN,
161					i % pdata->rx_ring_count);
162
163	pdata->rss_options = XLGMAC_SET_REG_BITS(
164				pdata->rss_options,
165				MAC_RSSCR_IP2TE_POS,
166				MAC_RSSCR_IP2TE_LEN, 1);
167	pdata->rss_options = XLGMAC_SET_REG_BITS(
168				pdata->rss_options,
169				MAC_RSSCR_TCP4TE_POS,
170				MAC_RSSCR_TCP4TE_LEN, 1);
171	pdata->rss_options = XLGMAC_SET_REG_BITS(
172				pdata->rss_options,
173				MAC_RSSCR_UDP4TE_POS,
174				MAC_RSSCR_UDP4TE_LEN, 1);
175
176	/* Set device operations */
177	netdev->netdev_ops = xlgmac_get_netdev_ops();
178	netdev->ethtool_ops = xlgmac_get_ethtool_ops();
179
180	/* Set device features */
181	if (pdata->hw_feat.tso) {
182		netdev->hw_features = NETIF_F_TSO;
183		netdev->hw_features |= NETIF_F_TSO6;
184		netdev->hw_features |= NETIF_F_SG;
185		netdev->hw_features |= NETIF_F_IP_CSUM;
186		netdev->hw_features |= NETIF_F_IPV6_CSUM;
187	} else if (pdata->hw_feat.tx_coe) {
188		netdev->hw_features = NETIF_F_IP_CSUM;
189		netdev->hw_features |= NETIF_F_IPV6_CSUM;
190	}
191
192	if (pdata->hw_feat.rx_coe) {
193		netdev->hw_features |= NETIF_F_RXCSUM;
194		netdev->hw_features |= NETIF_F_GRO;
195	}
196
197	if (pdata->hw_feat.rss)
198		netdev->hw_features |= NETIF_F_RXHASH;
199
200	netdev->vlan_features |= netdev->hw_features;
201
202	netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX;
203	if (pdata->hw_feat.sa_vlan_ins)
204		netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX;
205	if (pdata->hw_feat.vlhash)
206		netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER;
207
208	netdev->features |= netdev->hw_features;
209	pdata->netdev_features = netdev->features;
210
211	netdev->priv_flags |= IFF_UNICAST_FLT;
212
213	/* Use default watchdog timeout */
214	netdev->watchdog_timeo = 0;
215
216	/* Tx coalesce parameters initialization */
217	pdata->tx_usecs = XLGMAC_INIT_DMA_TX_USECS;
218	pdata->tx_frames = XLGMAC_INIT_DMA_TX_FRAMES;
219
220	/* Rx coalesce parameters initialization */
221	pdata->rx_riwt = hw_ops->usec_to_riwt(pdata, XLGMAC_INIT_DMA_RX_USECS);
222	pdata->rx_usecs = XLGMAC_INIT_DMA_RX_USECS;
223	pdata->rx_frames = XLGMAC_INIT_DMA_RX_FRAMES;
224
225	return 0;
226}
227
228int xlgmac_drv_probe(struct device *dev, struct xlgmac_resources *res)
229{
230	struct xlgmac_pdata *pdata;
231	struct net_device *netdev;
232	int ret;
233
234	netdev = alloc_etherdev_mq(sizeof(struct xlgmac_pdata),
235				   XLGMAC_MAX_DMA_CHANNELS);
236
237	if (!netdev) {
238		dev_err(dev, "alloc_etherdev failed\n");
239		return -ENOMEM;
240	}
241
242	SET_NETDEV_DEV(netdev, dev);
243	dev_set_drvdata(dev, netdev);
244	pdata = netdev_priv(netdev);
245	pdata->dev = dev;
246	pdata->netdev = netdev;
247
248	pdata->dev_irq = res->irq;
249	pdata->mac_regs = res->addr;
250
251	mutex_init(&pdata->rss_mutex);
252	pdata->msg_enable = netif_msg_init(debug, default_msg_level);
253
254	ret = xlgmac_init(pdata);
255	if (ret) {
256		dev_err(dev, "xlgmac init failed\n");
257		goto err_free_netdev;
258	}
259
260	ret = register_netdev(netdev);
261	if (ret) {
262		dev_err(dev, "net device registration failed\n");
263		goto err_free_netdev;
264	}
265
266	return 0;
267
268err_free_netdev:
269	free_netdev(netdev);
270
271	return ret;
272}
273
274int xlgmac_drv_remove(struct device *dev)
275{
276	struct net_device *netdev = dev_get_drvdata(dev);
277
278	unregister_netdev(netdev);
279	free_netdev(netdev);
280
281	return 0;
282}
283
284void xlgmac_dump_tx_desc(struct xlgmac_pdata *pdata,
285			 struct xlgmac_ring *ring,
286			 unsigned int idx,
287			 unsigned int count,
288			 unsigned int flag)
289{
290	struct xlgmac_desc_data *desc_data;
291	struct xlgmac_dma_desc *dma_desc;
292
293	while (count--) {
294		desc_data = XLGMAC_GET_DESC_DATA(ring, idx);
295		dma_desc = desc_data->dma_desc;
296
297		netdev_dbg(pdata->netdev, "TX: dma_desc=%p, dma_desc_addr=%pad\n",
298			   desc_data->dma_desc, &desc_data->dma_desc_addr);
299		netdev_dbg(pdata->netdev,
300			   "TX_NORMAL_DESC[%d %s] = %08x:%08x:%08x:%08x\n", idx,
301			   (flag == 1) ? "QUEUED FOR TX" : "TX BY DEVICE",
302			   le32_to_cpu(dma_desc->desc0),
303			   le32_to_cpu(dma_desc->desc1),
304			   le32_to_cpu(dma_desc->desc2),
305			   le32_to_cpu(dma_desc->desc3));
306
307		idx++;
308	}
309}
310
311void xlgmac_dump_rx_desc(struct xlgmac_pdata *pdata,
312			 struct xlgmac_ring *ring,
313			 unsigned int idx)
314{
315	struct xlgmac_desc_data *desc_data;
316	struct xlgmac_dma_desc *dma_desc;
317
318	desc_data = XLGMAC_GET_DESC_DATA(ring, idx);
319	dma_desc = desc_data->dma_desc;
320
321	netdev_dbg(pdata->netdev, "RX: dma_desc=%p, dma_desc_addr=%pad\n",
322		   desc_data->dma_desc, &desc_data->dma_desc_addr);
323	netdev_dbg(pdata->netdev,
324		   "RX_NORMAL_DESC[%d RX BY DEVICE] = %08x:%08x:%08x:%08x\n",
325		   idx,
326		   le32_to_cpu(dma_desc->desc0),
327		   le32_to_cpu(dma_desc->desc1),
328		   le32_to_cpu(dma_desc->desc2),
329		   le32_to_cpu(dma_desc->desc3));
330}
331
332void xlgmac_print_pkt(struct net_device *netdev,
333		      struct sk_buff *skb, bool tx_rx)
334{
335	struct ethhdr *eth = (struct ethhdr *)skb->data;
336	unsigned char buffer[128];
337	unsigned int i;
338
339	netdev_dbg(netdev, "\n************** SKB dump ****************\n");
340
341	netdev_dbg(netdev, "%s packet of %d bytes\n",
342		   (tx_rx ? "TX" : "RX"), skb->len);
343
344	netdev_dbg(netdev, "Dst MAC addr: %pM\n", eth->h_dest);
345	netdev_dbg(netdev, "Src MAC addr: %pM\n", eth->h_source);
346	netdev_dbg(netdev, "Protocol: %#06hx\n", ntohs(eth->h_proto));
347
348	for (i = 0; i < skb->len; i += 32) {
349		unsigned int len = min(skb->len - i, 32U);
350
351		hex_dump_to_buffer(&skb->data[i], len, 32, 1,
352				   buffer, sizeof(buffer), false);
353		netdev_dbg(netdev, "  %#06x: %s\n", i, buffer);
354	}
355
356	netdev_dbg(netdev, "\n************** SKB dump ****************\n");
357}
358
359void xlgmac_get_all_hw_features(struct xlgmac_pdata *pdata)
360{
361	struct xlgmac_hw_features *hw_feat = &pdata->hw_feat;
362	unsigned int mac_hfr0, mac_hfr1, mac_hfr2;
363
364	mac_hfr0 = readl(pdata->mac_regs + MAC_HWF0R);
365	mac_hfr1 = readl(pdata->mac_regs + MAC_HWF1R);
366	mac_hfr2 = readl(pdata->mac_regs + MAC_HWF2R);
367
368	memset(hw_feat, 0, sizeof(*hw_feat));
369
370	hw_feat->version = readl(pdata->mac_regs + MAC_VR);
371
372	/* Hardware feature register 0 */
373	hw_feat->phyifsel    = XLGMAC_GET_REG_BITS(mac_hfr0,
374						MAC_HWF0R_PHYIFSEL_POS,
375						MAC_HWF0R_PHYIFSEL_LEN);
376	hw_feat->vlhash      = XLGMAC_GET_REG_BITS(mac_hfr0,
377						MAC_HWF0R_VLHASH_POS,
378						MAC_HWF0R_VLHASH_LEN);
379	hw_feat->sma         = XLGMAC_GET_REG_BITS(mac_hfr0,
380						MAC_HWF0R_SMASEL_POS,
381						MAC_HWF0R_SMASEL_LEN);
382	hw_feat->rwk         = XLGMAC_GET_REG_BITS(mac_hfr0,
383						MAC_HWF0R_RWKSEL_POS,
384						MAC_HWF0R_RWKSEL_LEN);
385	hw_feat->mgk         = XLGMAC_GET_REG_BITS(mac_hfr0,
386						MAC_HWF0R_MGKSEL_POS,
387						MAC_HWF0R_MGKSEL_LEN);
388	hw_feat->mmc         = XLGMAC_GET_REG_BITS(mac_hfr0,
389						MAC_HWF0R_MMCSEL_POS,
390						MAC_HWF0R_MMCSEL_LEN);
391	hw_feat->aoe         = XLGMAC_GET_REG_BITS(mac_hfr0,
392						MAC_HWF0R_ARPOFFSEL_POS,
393						MAC_HWF0R_ARPOFFSEL_LEN);
394	hw_feat->ts          = XLGMAC_GET_REG_BITS(mac_hfr0,
395						MAC_HWF0R_TSSEL_POS,
396						MAC_HWF0R_TSSEL_LEN);
397	hw_feat->eee         = XLGMAC_GET_REG_BITS(mac_hfr0,
398						MAC_HWF0R_EEESEL_POS,
399						MAC_HWF0R_EEESEL_LEN);
400	hw_feat->tx_coe      = XLGMAC_GET_REG_BITS(mac_hfr0,
401						MAC_HWF0R_TXCOESEL_POS,
402						MAC_HWF0R_TXCOESEL_LEN);
403	hw_feat->rx_coe      = XLGMAC_GET_REG_BITS(mac_hfr0,
404						MAC_HWF0R_RXCOESEL_POS,
405						MAC_HWF0R_RXCOESEL_LEN);
406	hw_feat->addn_mac    = XLGMAC_GET_REG_BITS(mac_hfr0,
407						MAC_HWF0R_ADDMACADRSEL_POS,
408						MAC_HWF0R_ADDMACADRSEL_LEN);
409	hw_feat->ts_src      = XLGMAC_GET_REG_BITS(mac_hfr0,
410						MAC_HWF0R_TSSTSSEL_POS,
411						MAC_HWF0R_TSSTSSEL_LEN);
412	hw_feat->sa_vlan_ins = XLGMAC_GET_REG_BITS(mac_hfr0,
413						MAC_HWF0R_SAVLANINS_POS,
414						MAC_HWF0R_SAVLANINS_LEN);
415
416	/* Hardware feature register 1 */
417	hw_feat->rx_fifo_size  = XLGMAC_GET_REG_BITS(mac_hfr1,
418						MAC_HWF1R_RXFIFOSIZE_POS,
419						MAC_HWF1R_RXFIFOSIZE_LEN);
420	hw_feat->tx_fifo_size  = XLGMAC_GET_REG_BITS(mac_hfr1,
421						MAC_HWF1R_TXFIFOSIZE_POS,
422						MAC_HWF1R_TXFIFOSIZE_LEN);
423	hw_feat->adv_ts_hi     = XLGMAC_GET_REG_BITS(mac_hfr1,
424						MAC_HWF1R_ADVTHWORD_POS,
425						MAC_HWF1R_ADVTHWORD_LEN);
426	hw_feat->dma_width     = XLGMAC_GET_REG_BITS(mac_hfr1,
427						MAC_HWF1R_ADDR64_POS,
428						MAC_HWF1R_ADDR64_LEN);
429	hw_feat->dcb           = XLGMAC_GET_REG_BITS(mac_hfr1,
430						MAC_HWF1R_DCBEN_POS,
431						MAC_HWF1R_DCBEN_LEN);
432	hw_feat->sph           = XLGMAC_GET_REG_BITS(mac_hfr1,
433						MAC_HWF1R_SPHEN_POS,
434						MAC_HWF1R_SPHEN_LEN);
435	hw_feat->tso           = XLGMAC_GET_REG_BITS(mac_hfr1,
436						MAC_HWF1R_TSOEN_POS,
437						MAC_HWF1R_TSOEN_LEN);
438	hw_feat->dma_debug     = XLGMAC_GET_REG_BITS(mac_hfr1,
439						MAC_HWF1R_DBGMEMA_POS,
440						MAC_HWF1R_DBGMEMA_LEN);
441	hw_feat->rss           = XLGMAC_GET_REG_BITS(mac_hfr1,
442						MAC_HWF1R_RSSEN_POS,
443						MAC_HWF1R_RSSEN_LEN);
444	hw_feat->tc_cnt	       = XLGMAC_GET_REG_BITS(mac_hfr1,
445						MAC_HWF1R_NUMTC_POS,
446						MAC_HWF1R_NUMTC_LEN);
447	hw_feat->hash_table_size = XLGMAC_GET_REG_BITS(mac_hfr1,
448						MAC_HWF1R_HASHTBLSZ_POS,
449						MAC_HWF1R_HASHTBLSZ_LEN);
450	hw_feat->l3l4_filter_num = XLGMAC_GET_REG_BITS(mac_hfr1,
451						MAC_HWF1R_L3L4FNUM_POS,
452						MAC_HWF1R_L3L4FNUM_LEN);
453
454	/* Hardware feature register 2 */
455	hw_feat->rx_q_cnt     = XLGMAC_GET_REG_BITS(mac_hfr2,
456						MAC_HWF2R_RXQCNT_POS,
457						MAC_HWF2R_RXQCNT_LEN);
458	hw_feat->tx_q_cnt     = XLGMAC_GET_REG_BITS(mac_hfr2,
459						MAC_HWF2R_TXQCNT_POS,
460						MAC_HWF2R_TXQCNT_LEN);
461	hw_feat->rx_ch_cnt    = XLGMAC_GET_REG_BITS(mac_hfr2,
462						MAC_HWF2R_RXCHCNT_POS,
463						MAC_HWF2R_RXCHCNT_LEN);
464	hw_feat->tx_ch_cnt    = XLGMAC_GET_REG_BITS(mac_hfr2,
465						MAC_HWF2R_TXCHCNT_POS,
466						MAC_HWF2R_TXCHCNT_LEN);
467	hw_feat->pps_out_num  = XLGMAC_GET_REG_BITS(mac_hfr2,
468						MAC_HWF2R_PPSOUTNUM_POS,
469						MAC_HWF2R_PPSOUTNUM_LEN);
470	hw_feat->aux_snap_num = XLGMAC_GET_REG_BITS(mac_hfr2,
471						MAC_HWF2R_AUXSNAPNUM_POS,
472						MAC_HWF2R_AUXSNAPNUM_LEN);
473
474	/* Translate the Hash Table size into actual number */
475	switch (hw_feat->hash_table_size) {
476	case 0:
477		break;
478	case 1:
479		hw_feat->hash_table_size = 64;
480		break;
481	case 2:
482		hw_feat->hash_table_size = 128;
483		break;
484	case 3:
485		hw_feat->hash_table_size = 256;
486		break;
487	}
488
489	/* Translate the address width setting into actual number */
490	switch (hw_feat->dma_width) {
491	case 0:
492		hw_feat->dma_width = 32;
493		break;
494	case 1:
495		hw_feat->dma_width = 40;
496		break;
497	case 2:
498		hw_feat->dma_width = 48;
499		break;
500	default:
501		hw_feat->dma_width = 32;
502	}
503
504	/* The Queue, Channel and TC counts are zero based so increment them
505	 * to get the actual number
506	 */
507	hw_feat->rx_q_cnt++;
508	hw_feat->tx_q_cnt++;
509	hw_feat->rx_ch_cnt++;
510	hw_feat->tx_ch_cnt++;
511	hw_feat->tc_cnt++;
512}
513
514void xlgmac_print_all_hw_features(struct xlgmac_pdata *pdata)
515{
516	char __maybe_unused *str = NULL;
517
518	XLGMAC_PR("\n");
519	XLGMAC_PR("=====================================================\n");
520	XLGMAC_PR("\n");
521	XLGMAC_PR("HW support following features\n");
522	XLGMAC_PR("\n");
523	/* HW Feature Register0 */
524	XLGMAC_PR("VLAN Hash Filter Selected                   : %s\n",
525		  pdata->hw_feat.vlhash ? "YES" : "NO");
526	XLGMAC_PR("SMA (MDIO) Interface                        : %s\n",
527		  pdata->hw_feat.sma ? "YES" : "NO");
528	XLGMAC_PR("PMT Remote Wake-up Packet Enable            : %s\n",
529		  pdata->hw_feat.rwk ? "YES" : "NO");
530	XLGMAC_PR("PMT Magic Packet Enable                     : %s\n",
531		  pdata->hw_feat.mgk ? "YES" : "NO");
532	XLGMAC_PR("RMON/MMC Module Enable                      : %s\n",
533		  pdata->hw_feat.mmc ? "YES" : "NO");
534	XLGMAC_PR("ARP Offload Enabled                         : %s\n",
535		  pdata->hw_feat.aoe ? "YES" : "NO");
536	XLGMAC_PR("IEEE 1588-2008 Timestamp Enabled            : %s\n",
537		  pdata->hw_feat.ts ? "YES" : "NO");
538	XLGMAC_PR("Energy Efficient Ethernet Enabled           : %s\n",
539		  pdata->hw_feat.eee ? "YES" : "NO");
540	XLGMAC_PR("Transmit Checksum Offload Enabled           : %s\n",
541		  pdata->hw_feat.tx_coe ? "YES" : "NO");
542	XLGMAC_PR("Receive Checksum Offload Enabled            : %s\n",
543		  pdata->hw_feat.rx_coe ? "YES" : "NO");
544	XLGMAC_PR("Additional MAC Addresses 1-31 Selected      : %s\n",
545		  pdata->hw_feat.addn_mac ? "YES" : "NO");
546
547	switch (pdata->hw_feat.ts_src) {
548	case 0:
549		str = "RESERVED";
550		break;
551	case 1:
552		str = "INTERNAL";
553		break;
554	case 2:
555		str = "EXTERNAL";
556		break;
557	case 3:
558		str = "BOTH";
559		break;
560	}
561	XLGMAC_PR("Timestamp System Time Source                : %s\n", str);
562
563	XLGMAC_PR("Source Address or VLAN Insertion Enable     : %s\n",
564		  pdata->hw_feat.sa_vlan_ins ? "YES" : "NO");
565
566	/* HW Feature Register1 */
567	switch (pdata->hw_feat.rx_fifo_size) {
568	case 0:
569		str = "128 bytes";
570		break;
571	case 1:
572		str = "256 bytes";
573		break;
574	case 2:
575		str = "512 bytes";
576		break;
577	case 3:
578		str = "1 KBytes";
579		break;
580	case 4:
581		str = "2 KBytes";
582		break;
583	case 5:
584		str = "4 KBytes";
585		break;
586	case 6:
587		str = "8 KBytes";
588		break;
589	case 7:
590		str = "16 KBytes";
591		break;
592	case 8:
593		str = "32 kBytes";
594		break;
595	case 9:
596		str = "64 KBytes";
597		break;
598	case 10:
599		str = "128 KBytes";
600		break;
601	case 11:
602		str = "256 KBytes";
603		break;
604	default:
605		str = "RESERVED";
606	}
607	XLGMAC_PR("MTL Receive FIFO Size                       : %s\n", str);
608
609	switch (pdata->hw_feat.tx_fifo_size) {
610	case 0:
611		str = "128 bytes";
612		break;
613	case 1:
614		str = "256 bytes";
615		break;
616	case 2:
617		str = "512 bytes";
618		break;
619	case 3:
620		str = "1 KBytes";
621		break;
622	case 4:
623		str = "2 KBytes";
624		break;
625	case 5:
626		str = "4 KBytes";
627		break;
628	case 6:
629		str = "8 KBytes";
630		break;
631	case 7:
632		str = "16 KBytes";
633		break;
634	case 8:
635		str = "32 kBytes";
636		break;
637	case 9:
638		str = "64 KBytes";
639		break;
640	case 10:
641		str = "128 KBytes";
642		break;
643	case 11:
644		str = "256 KBytes";
645		break;
646	default:
647		str = "RESERVED";
648	}
649	XLGMAC_PR("MTL Transmit FIFO Size                      : %s\n", str);
650
651	XLGMAC_PR("IEEE 1588 High Word Register Enable         : %s\n",
652		  pdata->hw_feat.adv_ts_hi ? "YES" : "NO");
653	XLGMAC_PR("Address width                               : %u\n",
654		  pdata->hw_feat.dma_width);
655	XLGMAC_PR("DCB Feature Enable                          : %s\n",
656		  pdata->hw_feat.dcb ? "YES" : "NO");
657	XLGMAC_PR("Split Header Feature Enable                 : %s\n",
658		  pdata->hw_feat.sph ? "YES" : "NO");
659	XLGMAC_PR("TCP Segmentation Offload Enable             : %s\n",
660		  pdata->hw_feat.tso ? "YES" : "NO");
661	XLGMAC_PR("DMA Debug Registers Enabled                 : %s\n",
662		  pdata->hw_feat.dma_debug ? "YES" : "NO");
663	XLGMAC_PR("RSS Feature Enabled                         : %s\n",
664		  pdata->hw_feat.rss ? "YES" : "NO");
665	XLGMAC_PR("Number of Traffic classes                   : %u\n",
666		  (pdata->hw_feat.tc_cnt));
667	XLGMAC_PR("Hash Table Size                             : %u\n",
668		  pdata->hw_feat.hash_table_size);
669	XLGMAC_PR("Total number of L3 or L4 Filters            : %u\n",
670		  pdata->hw_feat.l3l4_filter_num);
671
672	/* HW Feature Register2 */
673	XLGMAC_PR("Number of MTL Receive Queues                : %u\n",
674		  pdata->hw_feat.rx_q_cnt);
675	XLGMAC_PR("Number of MTL Transmit Queues               : %u\n",
676		  pdata->hw_feat.tx_q_cnt);
677	XLGMAC_PR("Number of DMA Receive Channels              : %u\n",
678		  pdata->hw_feat.rx_ch_cnt);
679	XLGMAC_PR("Number of DMA Transmit Channels             : %u\n",
680		  pdata->hw_feat.tx_ch_cnt);
681
682	switch (pdata->hw_feat.pps_out_num) {
683	case 0:
684		str = "No PPS output";
685		break;
686	case 1:
687		str = "1 PPS output";
688		break;
689	case 2:
690		str = "2 PPS output";
691		break;
692	case 3:
693		str = "3 PPS output";
694		break;
695	case 4:
696		str = "4 PPS output";
697		break;
698	default:
699		str = "RESERVED";
700	}
701	XLGMAC_PR("Number of PPS Outputs                       : %s\n", str);
702
703	switch (pdata->hw_feat.aux_snap_num) {
704	case 0:
705		str = "No auxiliary input";
706		break;
707	case 1:
708		str = "1 auxiliary input";
709		break;
710	case 2:
711		str = "2 auxiliary input";
712		break;
713	case 3:
714		str = "3 auxiliary input";
715		break;
716	case 4:
717		str = "4 auxiliary input";
718		break;
719	default:
720		str = "RESERVED";
721	}
722	XLGMAC_PR("Number of Auxiliary Snapshot Inputs         : %s", str);
723
724	XLGMAC_PR("\n");
725	XLGMAC_PR("=====================================================\n");
726	XLGMAC_PR("\n");
727}
728