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
24 MODULE_LICENSE("Dual BSD/GPL");
25
26 static int debug = -1;
27 module_param(debug, int, 0644);
28 MODULE_PARM_DESC(debug, "DWC ethernet debug level (0=none,...,16=all)");
29 static const u32 default_msg_level = (NETIF_MSG_LINK | NETIF_MSG_IFDOWN |
30 NETIF_MSG_IFUP);
31
32 static unsigned char dev_addr[6] = {0, 0x55, 0x7b, 0xb5, 0x7d, 0xf7};
33
xlgmac_read_mac_addr(struct xlgmac_pdata * pdata)34 static 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
xlgmac_default_config(struct xlgmac_pdata * pdata)42 static 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 strlcpy(pdata->drv_name, XLGMAC_DRV_NAME, sizeof(pdata->drv_name));
58 strlcpy(pdata->drv_ver, XLGMAC_DRV_VERSION, sizeof(pdata->drv_ver));
59 }
60
xlgmac_init_all_ops(struct xlgmac_pdata * pdata)61 static 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
xlgmac_init(struct xlgmac_pdata * pdata)67 static 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 memcpy(netdev->dev_addr, pdata->mac_addr, netdev->addr_len);
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
xlgmac_drv_probe(struct device * dev,struct xlgmac_resources * res)228 int 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
268 err_free_netdev:
269 free_netdev(netdev);
270
271 return ret;
272 }
273
xlgmac_drv_remove(struct device * dev)274 int 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
xlgmac_dump_tx_desc(struct xlgmac_pdata * pdata,struct xlgmac_ring * ring,unsigned int idx,unsigned int count,unsigned int flag)284 void 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
xlgmac_dump_rx_desc(struct xlgmac_pdata * pdata,struct xlgmac_ring * ring,unsigned int idx)311 void 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
xlgmac_print_pkt(struct net_device * netdev,struct sk_buff * skb,bool tx_rx)332 void 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
xlgmac_get_all_hw_features(struct xlgmac_pdata * pdata)359 void 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
xlgmac_print_all_hw_features(struct xlgmac_pdata * pdata)514 void 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
