xref: /dpdk/drivers/net/axgbe/axgbe_ethdev.c (revision f5862ae99e058c0cee36a08dfd51f8a3b766999a)
1 /*   SPDX-License-Identifier: BSD-3-Clause
2  *   Copyright(c) 2018 Advanced Micro Devices, Inc. All rights reserved.
3  *   Copyright(c) 2018 Synopsys, Inc. All rights reserved.
4  */
5 
6 #include "axgbe_rxtx.h"
7 #include "axgbe_ethdev.h"
8 #include "axgbe_common.h"
9 #include "axgbe_phy.h"
10 
11 static int eth_axgbe_dev_init(struct rte_eth_dev *eth_dev);
12 static int eth_axgbe_dev_uninit(struct rte_eth_dev *eth_dev);
13 static int  axgbe_dev_configure(struct rte_eth_dev *dev);
14 static int  axgbe_dev_start(struct rte_eth_dev *dev);
15 static void axgbe_dev_stop(struct rte_eth_dev *dev);
16 static void axgbe_dev_interrupt_handler(void *param);
17 static void axgbe_dev_close(struct rte_eth_dev *dev);
18 static int axgbe_dev_promiscuous_enable(struct rte_eth_dev *dev);
19 static int axgbe_dev_promiscuous_disable(struct rte_eth_dev *dev);
20 static int axgbe_dev_allmulticast_enable(struct rte_eth_dev *dev);
21 static int axgbe_dev_allmulticast_disable(struct rte_eth_dev *dev);
22 static int axgbe_dev_link_update(struct rte_eth_dev *dev,
23 				 int wait_to_complete);
24 static int axgbe_dev_stats_get(struct rte_eth_dev *dev,
25 				struct rte_eth_stats *stats);
26 static int axgbe_dev_stats_reset(struct rte_eth_dev *dev);
27 static int axgbe_dev_xstats_get(struct rte_eth_dev *dev,
28 				struct rte_eth_xstat *stats,
29 				unsigned int n);
30 static int
31 axgbe_dev_xstats_get_names(struct rte_eth_dev *dev,
32 			   struct rte_eth_xstat_name *xstats_names,
33 			   unsigned int size);
34 static int
35 axgbe_dev_xstats_get_by_id(struct rte_eth_dev *dev,
36 			   const uint64_t *ids,
37 			   uint64_t *values,
38 			   unsigned int n);
39 static int
40 axgbe_dev_xstats_get_names_by_id(struct rte_eth_dev *dev,
41 				 struct rte_eth_xstat_name *xstats_names,
42 				 const uint64_t *ids,
43 				 unsigned int size);
44 static int axgbe_dev_xstats_reset(struct rte_eth_dev *dev);
45 static int  axgbe_dev_info_get(struct rte_eth_dev *dev,
46 			       struct rte_eth_dev_info *dev_info);
47 
48 struct axgbe_xstats {
49 	char name[RTE_ETH_XSTATS_NAME_SIZE];
50 	int offset;
51 };
52 
53 #define AXGMAC_MMC_STAT(_string, _var)                           \
54 	{ _string,                                              \
55 	  offsetof(struct axgbe_mmc_stats, _var),       \
56 	}
57 
58 static const struct axgbe_xstats axgbe_xstats_strings[] = {
59 	AXGMAC_MMC_STAT("tx_bytes", txoctetcount_gb),
60 	AXGMAC_MMC_STAT("tx_packets", txframecount_gb),
61 	AXGMAC_MMC_STAT("tx_unicast_packets", txunicastframes_gb),
62 	AXGMAC_MMC_STAT("tx_broadcast_packets", txbroadcastframes_gb),
63 	AXGMAC_MMC_STAT("tx_multicast_packets", txmulticastframes_gb),
64 	AXGMAC_MMC_STAT("tx_vlan_packets", txvlanframes_g),
65 	AXGMAC_MMC_STAT("tx_64_byte_packets", tx64octets_gb),
66 	AXGMAC_MMC_STAT("tx_65_to_127_byte_packets", tx65to127octets_gb),
67 	AXGMAC_MMC_STAT("tx_128_to_255_byte_packets", tx128to255octets_gb),
68 	AXGMAC_MMC_STAT("tx_256_to_511_byte_packets", tx256to511octets_gb),
69 	AXGMAC_MMC_STAT("tx_512_to_1023_byte_packets", tx512to1023octets_gb),
70 	AXGMAC_MMC_STAT("tx_1024_to_max_byte_packets", tx1024tomaxoctets_gb),
71 	AXGMAC_MMC_STAT("tx_underflow_errors", txunderflowerror),
72 	AXGMAC_MMC_STAT("tx_pause_frames", txpauseframes),
73 
74 	AXGMAC_MMC_STAT("rx_bytes", rxoctetcount_gb),
75 	AXGMAC_MMC_STAT("rx_packets", rxframecount_gb),
76 	AXGMAC_MMC_STAT("rx_unicast_packets", rxunicastframes_g),
77 	AXGMAC_MMC_STAT("rx_broadcast_packets", rxbroadcastframes_g),
78 	AXGMAC_MMC_STAT("rx_multicast_packets", rxmulticastframes_g),
79 	AXGMAC_MMC_STAT("rx_vlan_packets", rxvlanframes_gb),
80 	AXGMAC_MMC_STAT("rx_64_byte_packets", rx64octets_gb),
81 	AXGMAC_MMC_STAT("rx_65_to_127_byte_packets", rx65to127octets_gb),
82 	AXGMAC_MMC_STAT("rx_128_to_255_byte_packets", rx128to255octets_gb),
83 	AXGMAC_MMC_STAT("rx_256_to_511_byte_packets", rx256to511octets_gb),
84 	AXGMAC_MMC_STAT("rx_512_to_1023_byte_packets", rx512to1023octets_gb),
85 	AXGMAC_MMC_STAT("rx_1024_to_max_byte_packets", rx1024tomaxoctets_gb),
86 	AXGMAC_MMC_STAT("rx_undersize_packets", rxundersize_g),
87 	AXGMAC_MMC_STAT("rx_oversize_packets", rxoversize_g),
88 	AXGMAC_MMC_STAT("rx_crc_errors", rxcrcerror),
89 	AXGMAC_MMC_STAT("rx_crc_errors_small_packets", rxrunterror),
90 	AXGMAC_MMC_STAT("rx_crc_errors_giant_packets", rxjabbererror),
91 	AXGMAC_MMC_STAT("rx_length_errors", rxlengtherror),
92 	AXGMAC_MMC_STAT("rx_out_of_range_errors", rxoutofrangetype),
93 	AXGMAC_MMC_STAT("rx_fifo_overflow_errors", rxfifooverflow),
94 	AXGMAC_MMC_STAT("rx_watchdog_errors", rxwatchdogerror),
95 	AXGMAC_MMC_STAT("rx_pause_frames", rxpauseframes),
96 };
97 
98 #define AXGBE_XSTATS_COUNT        ARRAY_SIZE(axgbe_xstats_strings)
99 
100 /* The set of PCI devices this driver supports */
101 #define AMD_PCI_VENDOR_ID       0x1022
102 #define AMD_PCI_RV_ROOT_COMPLEX_ID	0x15d0
103 #define AMD_PCI_AXGBE_DEVICE_V2A 0x1458
104 #define AMD_PCI_AXGBE_DEVICE_V2B 0x1459
105 
106 int axgbe_logtype_init;
107 int axgbe_logtype_driver;
108 
109 static const struct rte_pci_id pci_id_axgbe_map[] = {
110 	{RTE_PCI_DEVICE(AMD_PCI_VENDOR_ID, AMD_PCI_AXGBE_DEVICE_V2A)},
111 	{RTE_PCI_DEVICE(AMD_PCI_VENDOR_ID, AMD_PCI_AXGBE_DEVICE_V2B)},
112 	{ .vendor_id = 0, },
113 };
114 
115 static struct axgbe_version_data axgbe_v2a = {
116 	.init_function_ptrs_phy_impl    = axgbe_init_function_ptrs_phy_v2,
117 	.xpcs_access			= AXGBE_XPCS_ACCESS_V2,
118 	.mmc_64bit			= 1,
119 	.tx_max_fifo_size		= 229376,
120 	.rx_max_fifo_size		= 229376,
121 	.tx_tstamp_workaround		= 1,
122 	.ecc_support			= 1,
123 	.i2c_support			= 1,
124 	.an_cdr_workaround		= 1,
125 };
126 
127 static struct axgbe_version_data axgbe_v2b = {
128 	.init_function_ptrs_phy_impl    = axgbe_init_function_ptrs_phy_v2,
129 	.xpcs_access			= AXGBE_XPCS_ACCESS_V2,
130 	.mmc_64bit			= 1,
131 	.tx_max_fifo_size		= 65536,
132 	.rx_max_fifo_size		= 65536,
133 	.tx_tstamp_workaround		= 1,
134 	.ecc_support			= 1,
135 	.i2c_support			= 1,
136 	.an_cdr_workaround		= 1,
137 };
138 
139 static const struct rte_eth_desc_lim rx_desc_lim = {
140 	.nb_max = AXGBE_MAX_RING_DESC,
141 	.nb_min = AXGBE_MIN_RING_DESC,
142 	.nb_align = 8,
143 };
144 
145 static const struct rte_eth_desc_lim tx_desc_lim = {
146 	.nb_max = AXGBE_MAX_RING_DESC,
147 	.nb_min = AXGBE_MIN_RING_DESC,
148 	.nb_align = 8,
149 };
150 
151 static const struct eth_dev_ops axgbe_eth_dev_ops = {
152 	.dev_configure        = axgbe_dev_configure,
153 	.dev_start            = axgbe_dev_start,
154 	.dev_stop             = axgbe_dev_stop,
155 	.dev_close            = axgbe_dev_close,
156 	.promiscuous_enable   = axgbe_dev_promiscuous_enable,
157 	.promiscuous_disable  = axgbe_dev_promiscuous_disable,
158 	.allmulticast_enable  = axgbe_dev_allmulticast_enable,
159 	.allmulticast_disable = axgbe_dev_allmulticast_disable,
160 	.link_update          = axgbe_dev_link_update,
161 	.stats_get            = axgbe_dev_stats_get,
162 	.stats_reset          = axgbe_dev_stats_reset,
163 	.xstats_get	      = axgbe_dev_xstats_get,
164 	.xstats_reset	      = axgbe_dev_xstats_reset,
165 	.xstats_get_names     = axgbe_dev_xstats_get_names,
166 	.xstats_get_names_by_id = axgbe_dev_xstats_get_names_by_id,
167 	.xstats_get_by_id     = axgbe_dev_xstats_get_by_id,
168 	.dev_infos_get        = axgbe_dev_info_get,
169 	.rx_queue_setup       = axgbe_dev_rx_queue_setup,
170 	.rx_queue_release     = axgbe_dev_rx_queue_release,
171 	.tx_queue_setup       = axgbe_dev_tx_queue_setup,
172 	.tx_queue_release     = axgbe_dev_tx_queue_release,
173 };
174 
175 static int axgbe_phy_reset(struct axgbe_port *pdata)
176 {
177 	pdata->phy_link = -1;
178 	pdata->phy_speed = SPEED_UNKNOWN;
179 	return pdata->phy_if.phy_reset(pdata);
180 }
181 
182 /*
183  * Interrupt handler triggered by NIC  for handling
184  * specific interrupt.
185  *
186  * @param handle
187  *  Pointer to interrupt handle.
188  * @param param
189  *  The address of parameter (struct rte_eth_dev *) regsitered before.
190  *
191  * @return
192  *  void
193  */
194 static void
195 axgbe_dev_interrupt_handler(void *param)
196 {
197 	struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
198 	struct axgbe_port *pdata = dev->data->dev_private;
199 	unsigned int dma_isr, dma_ch_isr;
200 
201 	pdata->phy_if.an_isr(pdata);
202 	/*DMA related interrupts*/
203 	dma_isr = AXGMAC_IOREAD(pdata, DMA_ISR);
204 	if (dma_isr) {
205 		if (dma_isr & 1) {
206 			dma_ch_isr =
207 				AXGMAC_DMA_IOREAD((struct axgbe_rx_queue *)
208 						  pdata->rx_queues[0],
209 						  DMA_CH_SR);
210 			AXGMAC_DMA_IOWRITE((struct axgbe_rx_queue *)
211 					   pdata->rx_queues[0],
212 					   DMA_CH_SR, dma_ch_isr);
213 		}
214 	}
215 	/* Unmask interrupts since disabled after generation */
216 	rte_intr_ack(&pdata->pci_dev->intr_handle);
217 }
218 
219 /*
220  * Configure device link speed and setup link.
221  * It returns 0 on success.
222  */
223 static int
224 axgbe_dev_configure(struct rte_eth_dev *dev)
225 {
226 	struct axgbe_port *pdata =  dev->data->dev_private;
227 	/* Checksum offload to hardware */
228 	pdata->rx_csum_enable = dev->data->dev_conf.rxmode.offloads &
229 				DEV_RX_OFFLOAD_CHECKSUM;
230 	return 0;
231 }
232 
233 static int
234 axgbe_dev_rx_mq_config(struct rte_eth_dev *dev)
235 {
236 	struct axgbe_port *pdata = dev->data->dev_private;
237 
238 	if (dev->data->dev_conf.rxmode.mq_mode == ETH_MQ_RX_RSS)
239 		pdata->rss_enable = 1;
240 	else if (dev->data->dev_conf.rxmode.mq_mode == ETH_MQ_RX_NONE)
241 		pdata->rss_enable = 0;
242 	else
243 		return  -1;
244 	return 0;
245 }
246 
247 static int
248 axgbe_dev_start(struct rte_eth_dev *dev)
249 {
250 	struct axgbe_port *pdata = dev->data->dev_private;
251 	int ret;
252 
253 	PMD_INIT_FUNC_TRACE();
254 
255 	/* Multiqueue RSS */
256 	ret = axgbe_dev_rx_mq_config(dev);
257 	if (ret) {
258 		PMD_DRV_LOG(ERR, "Unable to config RX MQ\n");
259 		return ret;
260 	}
261 	ret = axgbe_phy_reset(pdata);
262 	if (ret) {
263 		PMD_DRV_LOG(ERR, "phy reset failed\n");
264 		return ret;
265 	}
266 	ret = pdata->hw_if.init(pdata);
267 	if (ret) {
268 		PMD_DRV_LOG(ERR, "dev_init failed\n");
269 		return ret;
270 	}
271 
272 	/* enable uio/vfio intr/eventfd mapping */
273 	rte_intr_enable(&pdata->pci_dev->intr_handle);
274 
275 	/* phy start*/
276 	pdata->phy_if.phy_start(pdata);
277 	axgbe_dev_enable_tx(dev);
278 	axgbe_dev_enable_rx(dev);
279 
280 	axgbe_clear_bit(AXGBE_STOPPED, &pdata->dev_state);
281 	axgbe_clear_bit(AXGBE_DOWN, &pdata->dev_state);
282 	return 0;
283 }
284 
285 /* Stop device: disable rx and tx functions to allow for reconfiguring. */
286 static void
287 axgbe_dev_stop(struct rte_eth_dev *dev)
288 {
289 	struct axgbe_port *pdata = dev->data->dev_private;
290 
291 	PMD_INIT_FUNC_TRACE();
292 
293 	rte_intr_disable(&pdata->pci_dev->intr_handle);
294 
295 	if (axgbe_test_bit(AXGBE_STOPPED, &pdata->dev_state))
296 		return;
297 
298 	axgbe_set_bit(AXGBE_STOPPED, &pdata->dev_state);
299 	axgbe_dev_disable_tx(dev);
300 	axgbe_dev_disable_rx(dev);
301 
302 	pdata->phy_if.phy_stop(pdata);
303 	pdata->hw_if.exit(pdata);
304 	memset(&dev->data->dev_link, 0, sizeof(struct rte_eth_link));
305 	axgbe_set_bit(AXGBE_DOWN, &pdata->dev_state);
306 }
307 
308 /* Clear all resources like TX/RX queues. */
309 static void
310 axgbe_dev_close(struct rte_eth_dev *dev)
311 {
312 	axgbe_dev_clear_queues(dev);
313 }
314 
315 static int
316 axgbe_dev_promiscuous_enable(struct rte_eth_dev *dev)
317 {
318 	struct axgbe_port *pdata = dev->data->dev_private;
319 
320 	PMD_INIT_FUNC_TRACE();
321 
322 	AXGMAC_IOWRITE_BITS(pdata, MAC_PFR, PR, 1);
323 
324 	return 0;
325 }
326 
327 static int
328 axgbe_dev_promiscuous_disable(struct rte_eth_dev *dev)
329 {
330 	struct axgbe_port *pdata = dev->data->dev_private;
331 
332 	PMD_INIT_FUNC_TRACE();
333 
334 	AXGMAC_IOWRITE_BITS(pdata, MAC_PFR, PR, 0);
335 
336 	return 0;
337 }
338 
339 static int
340 axgbe_dev_allmulticast_enable(struct rte_eth_dev *dev)
341 {
342 	struct axgbe_port *pdata = dev->data->dev_private;
343 
344 	PMD_INIT_FUNC_TRACE();
345 
346 	if (AXGMAC_IOREAD_BITS(pdata, MAC_PFR, PM))
347 		return 0;
348 	AXGMAC_IOWRITE_BITS(pdata, MAC_PFR, PM, 1);
349 
350 	return 0;
351 }
352 
353 static int
354 axgbe_dev_allmulticast_disable(struct rte_eth_dev *dev)
355 {
356 	struct axgbe_port *pdata = dev->data->dev_private;
357 
358 	PMD_INIT_FUNC_TRACE();
359 
360 	if (!AXGMAC_IOREAD_BITS(pdata, MAC_PFR, PM))
361 		return 0;
362 	AXGMAC_IOWRITE_BITS(pdata, MAC_PFR, PM, 0);
363 
364 	return 0;
365 }
366 
367 /* return 0 means link status changed, -1 means not changed */
368 static int
369 axgbe_dev_link_update(struct rte_eth_dev *dev,
370 		      int wait_to_complete __rte_unused)
371 {
372 	struct axgbe_port *pdata = dev->data->dev_private;
373 	struct rte_eth_link link;
374 	int ret = 0;
375 
376 	PMD_INIT_FUNC_TRACE();
377 	rte_delay_ms(800);
378 
379 	pdata->phy_if.phy_status(pdata);
380 
381 	memset(&link, 0, sizeof(struct rte_eth_link));
382 	link.link_duplex = pdata->phy.duplex;
383 	link.link_status = pdata->phy_link;
384 	link.link_speed = pdata->phy_speed;
385 	link.link_autoneg = !(dev->data->dev_conf.link_speeds &
386 			      ETH_LINK_SPEED_FIXED);
387 	ret = rte_eth_linkstatus_set(dev, &link);
388 	if (ret == -1)
389 		PMD_DRV_LOG(ERR, "No change in link status\n");
390 
391 	return ret;
392 }
393 
394 static void axgbe_read_mmc_stats(struct axgbe_port *pdata)
395 {
396 	struct axgbe_mmc_stats *stats = &pdata->mmc_stats;
397 
398 	/* Freeze counters */
399 	AXGMAC_IOWRITE_BITS(pdata, MMC_CR, MCF, 1);
400 
401 	/* Tx counters */
402 	stats->txoctetcount_gb +=
403 		AXGMAC_IOREAD(pdata, MMC_TXOCTETCOUNT_GB_LO);
404 	stats->txoctetcount_gb +=
405 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_TXOCTETCOUNT_GB_HI) << 32);
406 
407 	stats->txframecount_gb +=
408 		AXGMAC_IOREAD(pdata, MMC_TXFRAMECOUNT_GB_LO);
409 	stats->txframecount_gb +=
410 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_TXFRAMECOUNT_GB_HI) << 32);
411 
412 	stats->txbroadcastframes_g +=
413 		AXGMAC_IOREAD(pdata, MMC_TXBROADCASTFRAMES_G_LO);
414 	stats->txbroadcastframes_g +=
415 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_TXBROADCASTFRAMES_G_HI) << 32);
416 
417 	stats->txmulticastframes_g +=
418 		AXGMAC_IOREAD(pdata, MMC_TXMULTICASTFRAMES_G_LO);
419 	stats->txmulticastframes_g +=
420 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_TXMULTICASTFRAMES_G_HI) << 32);
421 
422 	stats->tx64octets_gb +=
423 		AXGMAC_IOREAD(pdata, MMC_TX64OCTETS_GB_LO);
424 	stats->tx64octets_gb +=
425 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_TX64OCTETS_GB_HI) << 32);
426 
427 	stats->tx65to127octets_gb +=
428 		AXGMAC_IOREAD(pdata, MMC_TX65TO127OCTETS_GB_LO);
429 	stats->tx65to127octets_gb +=
430 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_TX65TO127OCTETS_GB_HI) << 32);
431 
432 	stats->tx128to255octets_gb +=
433 		AXGMAC_IOREAD(pdata, MMC_TX128TO255OCTETS_GB_LO);
434 	stats->tx128to255octets_gb +=
435 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_TX128TO255OCTETS_GB_HI) << 32);
436 
437 	stats->tx256to511octets_gb +=
438 		AXGMAC_IOREAD(pdata, MMC_TX256TO511OCTETS_GB_LO);
439 	stats->tx256to511octets_gb +=
440 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_TX256TO511OCTETS_GB_HI) << 32);
441 
442 	stats->tx512to1023octets_gb +=
443 		AXGMAC_IOREAD(pdata, MMC_TX512TO1023OCTETS_GB_LO);
444 	stats->tx512to1023octets_gb +=
445 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_TX512TO1023OCTETS_GB_HI) << 32);
446 
447 	stats->tx1024tomaxoctets_gb +=
448 		AXGMAC_IOREAD(pdata, MMC_TX1024TOMAXOCTETS_GB_LO);
449 	stats->tx1024tomaxoctets_gb +=
450 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_TX1024TOMAXOCTETS_GB_HI) << 32);
451 
452 	stats->txunicastframes_gb +=
453 		AXGMAC_IOREAD(pdata, MMC_TXUNICASTFRAMES_GB_LO);
454 	stats->txunicastframes_gb +=
455 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_TXUNICASTFRAMES_GB_HI) << 32);
456 
457 	stats->txmulticastframes_gb +=
458 		AXGMAC_IOREAD(pdata, MMC_TXMULTICASTFRAMES_GB_LO);
459 	stats->txmulticastframes_gb +=
460 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_TXMULTICASTFRAMES_GB_HI) << 32);
461 
462 	stats->txbroadcastframes_g +=
463 		AXGMAC_IOREAD(pdata, MMC_TXBROADCASTFRAMES_GB_LO);
464 	stats->txbroadcastframes_g +=
465 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_TXBROADCASTFRAMES_GB_HI) << 32);
466 
467 	stats->txunderflowerror +=
468 		AXGMAC_IOREAD(pdata, MMC_TXUNDERFLOWERROR_LO);
469 	stats->txunderflowerror +=
470 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_TXUNDERFLOWERROR_HI) << 32);
471 
472 	stats->txoctetcount_g +=
473 		AXGMAC_IOREAD(pdata, MMC_TXOCTETCOUNT_G_LO);
474 	stats->txoctetcount_g +=
475 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_TXOCTETCOUNT_G_HI) << 32);
476 
477 	stats->txframecount_g +=
478 		AXGMAC_IOREAD(pdata, MMC_TXFRAMECOUNT_G_LO);
479 	stats->txframecount_g +=
480 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_TXFRAMECOUNT_G_HI) << 32);
481 
482 	stats->txpauseframes +=
483 		AXGMAC_IOREAD(pdata, MMC_TXPAUSEFRAMES_LO);
484 	stats->txpauseframes +=
485 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_TXPAUSEFRAMES_HI) << 32);
486 
487 	stats->txvlanframes_g +=
488 		AXGMAC_IOREAD(pdata, MMC_TXVLANFRAMES_G_LO);
489 	stats->txvlanframes_g +=
490 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_TXVLANFRAMES_G_HI) << 32);
491 
492 	/* Rx counters */
493 	stats->rxframecount_gb +=
494 		AXGMAC_IOREAD(pdata, MMC_RXFRAMECOUNT_GB_LO);
495 	stats->rxframecount_gb +=
496 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_RXFRAMECOUNT_GB_HI) << 32);
497 
498 	stats->rxoctetcount_gb +=
499 		AXGMAC_IOREAD(pdata, MMC_RXOCTETCOUNT_GB_LO);
500 	stats->rxoctetcount_gb +=
501 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_RXOCTETCOUNT_GB_HI) << 32);
502 
503 	stats->rxoctetcount_g +=
504 		AXGMAC_IOREAD(pdata, MMC_RXOCTETCOUNT_G_LO);
505 	stats->rxoctetcount_g +=
506 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_RXOCTETCOUNT_G_HI) << 32);
507 
508 	stats->rxbroadcastframes_g +=
509 		AXGMAC_IOREAD(pdata, MMC_RXBROADCASTFRAMES_G_LO);
510 	stats->rxbroadcastframes_g +=
511 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_RXBROADCASTFRAMES_G_HI) << 32);
512 
513 	stats->rxmulticastframes_g +=
514 		AXGMAC_IOREAD(pdata, MMC_RXMULTICASTFRAMES_G_LO);
515 	stats->rxmulticastframes_g +=
516 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_RXMULTICASTFRAMES_G_HI) << 32);
517 
518 	stats->rxcrcerror +=
519 		AXGMAC_IOREAD(pdata, MMC_RXCRCERROR_LO);
520 	stats->rxcrcerror +=
521 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_RXCRCERROR_HI) << 32);
522 
523 	stats->rxrunterror +=
524 		AXGMAC_IOREAD(pdata, MMC_RXRUNTERROR);
525 
526 	stats->rxjabbererror +=
527 		AXGMAC_IOREAD(pdata, MMC_RXJABBERERROR);
528 
529 	stats->rxundersize_g +=
530 		AXGMAC_IOREAD(pdata, MMC_RXUNDERSIZE_G);
531 
532 	stats->rxoversize_g +=
533 		AXGMAC_IOREAD(pdata, MMC_RXOVERSIZE_G);
534 
535 	stats->rx64octets_gb +=
536 		AXGMAC_IOREAD(pdata, MMC_RX64OCTETS_GB_LO);
537 	stats->rx64octets_gb +=
538 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_RX64OCTETS_GB_HI) << 32);
539 
540 	stats->rx65to127octets_gb +=
541 		AXGMAC_IOREAD(pdata, MMC_RX65TO127OCTETS_GB_LO);
542 	stats->rx65to127octets_gb +=
543 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_RX65TO127OCTETS_GB_HI) << 32);
544 
545 	stats->rx128to255octets_gb +=
546 		AXGMAC_IOREAD(pdata, MMC_RX128TO255OCTETS_GB_LO);
547 	stats->rx128to255octets_gb +=
548 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_RX128TO255OCTETS_GB_HI) << 32);
549 
550 	stats->rx256to511octets_gb +=
551 		AXGMAC_IOREAD(pdata, MMC_RX256TO511OCTETS_GB_LO);
552 	stats->rx256to511octets_gb +=
553 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_RX256TO511OCTETS_GB_HI) << 32);
554 
555 	stats->rx512to1023octets_gb +=
556 		AXGMAC_IOREAD(pdata, MMC_RX512TO1023OCTETS_GB_LO);
557 	stats->rx512to1023octets_gb +=
558 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_RX512TO1023OCTETS_GB_HI) << 32);
559 
560 	stats->rx1024tomaxoctets_gb +=
561 		AXGMAC_IOREAD(pdata, MMC_RX1024TOMAXOCTETS_GB_LO);
562 	stats->rx1024tomaxoctets_gb +=
563 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_RX1024TOMAXOCTETS_GB_HI) << 32);
564 
565 	stats->rxunicastframes_g +=
566 		AXGMAC_IOREAD(pdata, MMC_RXUNICASTFRAMES_G_LO);
567 	stats->rxunicastframes_g +=
568 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_RXUNICASTFRAMES_G_HI) << 32);
569 
570 	stats->rxlengtherror +=
571 		AXGMAC_IOREAD(pdata, MMC_RXLENGTHERROR_LO);
572 	stats->rxlengtherror +=
573 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_RXLENGTHERROR_HI) << 32);
574 
575 	stats->rxoutofrangetype +=
576 		AXGMAC_IOREAD(pdata, MMC_RXOUTOFRANGETYPE_LO);
577 	stats->rxoutofrangetype +=
578 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_RXOUTOFRANGETYPE_HI) << 32);
579 
580 	stats->rxpauseframes +=
581 		AXGMAC_IOREAD(pdata, MMC_RXPAUSEFRAMES_LO);
582 	stats->rxpauseframes +=
583 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_RXPAUSEFRAMES_HI) << 32);
584 
585 	stats->rxfifooverflow +=
586 		AXGMAC_IOREAD(pdata, MMC_RXFIFOOVERFLOW_LO);
587 	stats->rxfifooverflow +=
588 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_RXFIFOOVERFLOW_HI) << 32);
589 
590 	stats->rxvlanframes_gb +=
591 		AXGMAC_IOREAD(pdata, MMC_RXVLANFRAMES_GB_LO);
592 	stats->rxvlanframes_gb +=
593 	((uint64_t)AXGMAC_IOREAD(pdata, MMC_RXVLANFRAMES_GB_HI) << 32);
594 
595 	stats->rxwatchdogerror +=
596 		AXGMAC_IOREAD(pdata, MMC_RXWATCHDOGERROR);
597 
598 	/* Un-freeze counters */
599 	AXGMAC_IOWRITE_BITS(pdata, MMC_CR, MCF, 0);
600 }
601 
602 static int
603 axgbe_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *stats,
604 		     unsigned int n)
605 {
606 	struct axgbe_port *pdata = dev->data->dev_private;
607 	unsigned int i;
608 
609 	if (!stats)
610 		return 0;
611 
612 	axgbe_read_mmc_stats(pdata);
613 
614 	for (i = 0; i < n && i < AXGBE_XSTATS_COUNT; i++) {
615 		stats[i].id = i;
616 		stats[i].value = *(u64 *)((uint8_t *)&pdata->mmc_stats +
617 				axgbe_xstats_strings[i].offset);
618 	}
619 
620 	return i;
621 }
622 
623 static int
624 axgbe_dev_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
625 			   struct rte_eth_xstat_name *xstats_names,
626 			   unsigned int n)
627 {
628 	unsigned int i;
629 
630 	if (n >= AXGBE_XSTATS_COUNT && xstats_names) {
631 		for (i = 0; i < AXGBE_XSTATS_COUNT; ++i) {
632 			snprintf(xstats_names[i].name,
633 				 RTE_ETH_XSTATS_NAME_SIZE, "%s",
634 				 axgbe_xstats_strings[i].name);
635 		}
636 	}
637 
638 	return AXGBE_XSTATS_COUNT;
639 }
640 
641 static int
642 axgbe_dev_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids,
643 			   uint64_t *values, unsigned int n)
644 {
645 	unsigned int i;
646 	uint64_t values_copy[AXGBE_XSTATS_COUNT];
647 
648 	if (!ids) {
649 		struct axgbe_port *pdata = dev->data->dev_private;
650 
651 		if (n < AXGBE_XSTATS_COUNT)
652 			return AXGBE_XSTATS_COUNT;
653 
654 		axgbe_read_mmc_stats(pdata);
655 
656 		for (i = 0; i < AXGBE_XSTATS_COUNT; i++) {
657 			values[i] = *(u64 *)((uint8_t *)&pdata->mmc_stats +
658 					axgbe_xstats_strings[i].offset);
659 		}
660 
661 		return i;
662 	}
663 
664 	axgbe_dev_xstats_get_by_id(dev, NULL, values_copy, AXGBE_XSTATS_COUNT);
665 
666 	for (i = 0; i < n; i++) {
667 		if (ids[i] >= AXGBE_XSTATS_COUNT) {
668 			PMD_DRV_LOG(ERR, "id value isn't valid\n");
669 			return -1;
670 		}
671 		values[i] = values_copy[ids[i]];
672 	}
673 	return n;
674 }
675 
676 static int
677 axgbe_dev_xstats_get_names_by_id(struct rte_eth_dev *dev,
678 				 struct rte_eth_xstat_name *xstats_names,
679 				 const uint64_t *ids,
680 				 unsigned int size)
681 {
682 	struct rte_eth_xstat_name xstats_names_copy[AXGBE_XSTATS_COUNT];
683 	unsigned int i;
684 
685 	if (!ids)
686 		return axgbe_dev_xstats_get_names(dev, xstats_names, size);
687 
688 	axgbe_dev_xstats_get_names(dev, xstats_names_copy, size);
689 
690 	for (i = 0; i < size; i++) {
691 		if (ids[i] >= AXGBE_XSTATS_COUNT) {
692 			PMD_DRV_LOG(ERR, "id value isn't valid\n");
693 			return -1;
694 		}
695 		strcpy(xstats_names[i].name, xstats_names_copy[ids[i]].name);
696 	}
697 	return size;
698 }
699 
700 static int
701 axgbe_dev_xstats_reset(struct rte_eth_dev *dev)
702 {
703 	struct axgbe_port *pdata = dev->data->dev_private;
704 	struct axgbe_mmc_stats *stats = &pdata->mmc_stats;
705 
706 	/* MMC registers are configured for reset on read */
707 	axgbe_read_mmc_stats(pdata);
708 
709 	/* Reset stats */
710 	memset(stats, 0, sizeof(*stats));
711 
712 	return 0;
713 }
714 
715 static int
716 axgbe_dev_stats_get(struct rte_eth_dev *dev,
717 		    struct rte_eth_stats *stats)
718 {
719 	struct axgbe_rx_queue *rxq;
720 	struct axgbe_tx_queue *txq;
721 	struct axgbe_port *pdata = dev->data->dev_private;
722 	struct axgbe_mmc_stats *mmc_stats = &pdata->mmc_stats;
723 	unsigned int i;
724 
725 	axgbe_read_mmc_stats(pdata);
726 
727 	stats->imissed = mmc_stats->rxfifooverflow;
728 
729 	for (i = 0; i < dev->data->nb_rx_queues; i++) {
730 		rxq = dev->data->rx_queues[i];
731 		stats->q_ipackets[i] = rxq->pkts;
732 		stats->ipackets += rxq->pkts;
733 		stats->q_ibytes[i] = rxq->bytes;
734 		stats->ibytes += rxq->bytes;
735 		stats->rx_nombuf += rxq->rx_mbuf_alloc_failed;
736 		stats->q_errors[i] = rxq->errors + rxq->rx_mbuf_alloc_failed;
737 		stats->ierrors += rxq->errors;
738 	}
739 
740 	for (i = 0; i < dev->data->nb_tx_queues; i++) {
741 		txq = dev->data->tx_queues[i];
742 		stats->q_opackets[i] = txq->pkts;
743 		stats->opackets += txq->pkts;
744 		stats->q_obytes[i] = txq->bytes;
745 		stats->obytes += txq->bytes;
746 		stats->oerrors += txq->errors;
747 	}
748 
749 	return 0;
750 }
751 
752 static int
753 axgbe_dev_stats_reset(struct rte_eth_dev *dev)
754 {
755 	struct axgbe_rx_queue *rxq;
756 	struct axgbe_tx_queue *txq;
757 	unsigned int i;
758 
759 	for (i = 0; i < dev->data->nb_rx_queues; i++) {
760 		rxq = dev->data->rx_queues[i];
761 		rxq->pkts = 0;
762 		rxq->bytes = 0;
763 		rxq->errors = 0;
764 		rxq->rx_mbuf_alloc_failed = 0;
765 	}
766 	for (i = 0; i < dev->data->nb_tx_queues; i++) {
767 		txq = dev->data->tx_queues[i];
768 		txq->pkts = 0;
769 		txq->bytes = 0;
770 		txq->errors = 0;
771 	}
772 
773 	return 0;
774 }
775 
776 static int
777 axgbe_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
778 {
779 	struct axgbe_port *pdata = dev->data->dev_private;
780 
781 	dev_info->max_rx_queues = pdata->rx_ring_count;
782 	dev_info->max_tx_queues = pdata->tx_ring_count;
783 	dev_info->min_rx_bufsize = AXGBE_RX_MIN_BUF_SIZE;
784 	dev_info->max_rx_pktlen = AXGBE_RX_MAX_BUF_SIZE;
785 	dev_info->max_mac_addrs = AXGBE_MAX_MAC_ADDRS;
786 	dev_info->speed_capa =  ETH_LINK_SPEED_10G;
787 
788 	dev_info->rx_offload_capa =
789 		DEV_RX_OFFLOAD_IPV4_CKSUM |
790 		DEV_RX_OFFLOAD_UDP_CKSUM  |
791 		DEV_RX_OFFLOAD_TCP_CKSUM  |
792 		DEV_RX_OFFLOAD_KEEP_CRC;
793 
794 	dev_info->tx_offload_capa =
795 		DEV_TX_OFFLOAD_IPV4_CKSUM  |
796 		DEV_TX_OFFLOAD_UDP_CKSUM   |
797 		DEV_TX_OFFLOAD_TCP_CKSUM;
798 
799 	if (pdata->hw_feat.rss) {
800 		dev_info->flow_type_rss_offloads = AXGBE_RSS_OFFLOAD;
801 		dev_info->reta_size = pdata->hw_feat.hash_table_size;
802 		dev_info->hash_key_size =  AXGBE_RSS_HASH_KEY_SIZE;
803 	}
804 
805 	dev_info->rx_desc_lim = rx_desc_lim;
806 	dev_info->tx_desc_lim = tx_desc_lim;
807 
808 	dev_info->default_rxconf = (struct rte_eth_rxconf) {
809 		.rx_free_thresh = AXGBE_RX_FREE_THRESH,
810 	};
811 
812 	dev_info->default_txconf = (struct rte_eth_txconf) {
813 		.tx_free_thresh = AXGBE_TX_FREE_THRESH,
814 	};
815 
816 	return 0;
817 }
818 
819 static void axgbe_get_all_hw_features(struct axgbe_port *pdata)
820 {
821 	unsigned int mac_hfr0, mac_hfr1, mac_hfr2;
822 	struct axgbe_hw_features *hw_feat = &pdata->hw_feat;
823 
824 	mac_hfr0 = AXGMAC_IOREAD(pdata, MAC_HWF0R);
825 	mac_hfr1 = AXGMAC_IOREAD(pdata, MAC_HWF1R);
826 	mac_hfr2 = AXGMAC_IOREAD(pdata, MAC_HWF2R);
827 
828 	memset(hw_feat, 0, sizeof(*hw_feat));
829 
830 	hw_feat->version = AXGMAC_IOREAD(pdata, MAC_VR);
831 
832 	/* Hardware feature register 0 */
833 	hw_feat->gmii        = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, GMIISEL);
834 	hw_feat->vlhash      = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, VLHASH);
835 	hw_feat->sma         = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, SMASEL);
836 	hw_feat->rwk         = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, RWKSEL);
837 	hw_feat->mgk         = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, MGKSEL);
838 	hw_feat->mmc         = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, MMCSEL);
839 	hw_feat->aoe         = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, ARPOFFSEL);
840 	hw_feat->ts          = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, TSSEL);
841 	hw_feat->eee         = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, EEESEL);
842 	hw_feat->tx_coe      = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, TXCOESEL);
843 	hw_feat->rx_coe      = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, RXCOESEL);
844 	hw_feat->addn_mac    = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R,
845 					      ADDMACADRSEL);
846 	hw_feat->ts_src      = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, TSSTSSEL);
847 	hw_feat->sa_vlan_ins = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, SAVLANINS);
848 
849 	/* Hardware feature register 1 */
850 	hw_feat->rx_fifo_size  = AXGMAC_GET_BITS(mac_hfr1, MAC_HWF1R,
851 						RXFIFOSIZE);
852 	hw_feat->tx_fifo_size  = AXGMAC_GET_BITS(mac_hfr1, MAC_HWF1R,
853 						TXFIFOSIZE);
854 	hw_feat->adv_ts_hi     = AXGMAC_GET_BITS(mac_hfr1,
855 						 MAC_HWF1R, ADVTHWORD);
856 	hw_feat->dma_width     = AXGMAC_GET_BITS(mac_hfr1, MAC_HWF1R, ADDR64);
857 	hw_feat->dcb           = AXGMAC_GET_BITS(mac_hfr1, MAC_HWF1R, DCBEN);
858 	hw_feat->sph           = AXGMAC_GET_BITS(mac_hfr1, MAC_HWF1R, SPHEN);
859 	hw_feat->tso           = AXGMAC_GET_BITS(mac_hfr1, MAC_HWF1R, TSOEN);
860 	hw_feat->dma_debug     = AXGMAC_GET_BITS(mac_hfr1, MAC_HWF1R, DBGMEMA);
861 	hw_feat->rss           = AXGMAC_GET_BITS(mac_hfr1, MAC_HWF1R, RSSEN);
862 	hw_feat->tc_cnt	       = AXGMAC_GET_BITS(mac_hfr1, MAC_HWF1R, NUMTC);
863 	hw_feat->hash_table_size = AXGMAC_GET_BITS(mac_hfr1, MAC_HWF1R,
864 						  HASHTBLSZ);
865 	hw_feat->l3l4_filter_num = AXGMAC_GET_BITS(mac_hfr1, MAC_HWF1R,
866 						  L3L4FNUM);
867 
868 	/* Hardware feature register 2 */
869 	hw_feat->rx_q_cnt     = AXGMAC_GET_BITS(mac_hfr2, MAC_HWF2R, RXQCNT);
870 	hw_feat->tx_q_cnt     = AXGMAC_GET_BITS(mac_hfr2, MAC_HWF2R, TXQCNT);
871 	hw_feat->rx_ch_cnt    = AXGMAC_GET_BITS(mac_hfr2, MAC_HWF2R, RXCHCNT);
872 	hw_feat->tx_ch_cnt    = AXGMAC_GET_BITS(mac_hfr2, MAC_HWF2R, TXCHCNT);
873 	hw_feat->pps_out_num  = AXGMAC_GET_BITS(mac_hfr2, MAC_HWF2R, PPSOUTNUM);
874 	hw_feat->aux_snap_num = AXGMAC_GET_BITS(mac_hfr2, MAC_HWF2R,
875 						AUXSNAPNUM);
876 
877 	/* Translate the Hash Table size into actual number */
878 	switch (hw_feat->hash_table_size) {
879 	case 0:
880 		break;
881 	case 1:
882 		hw_feat->hash_table_size = 64;
883 		break;
884 	case 2:
885 		hw_feat->hash_table_size = 128;
886 		break;
887 	case 3:
888 		hw_feat->hash_table_size = 256;
889 		break;
890 	}
891 
892 	/* Translate the address width setting into actual number */
893 	switch (hw_feat->dma_width) {
894 	case 0:
895 		hw_feat->dma_width = 32;
896 		break;
897 	case 1:
898 		hw_feat->dma_width = 40;
899 		break;
900 	case 2:
901 		hw_feat->dma_width = 48;
902 		break;
903 	default:
904 		hw_feat->dma_width = 32;
905 	}
906 
907 	/* The Queue, Channel and TC counts are zero based so increment them
908 	 * to get the actual number
909 	 */
910 	hw_feat->rx_q_cnt++;
911 	hw_feat->tx_q_cnt++;
912 	hw_feat->rx_ch_cnt++;
913 	hw_feat->tx_ch_cnt++;
914 	hw_feat->tc_cnt++;
915 
916 	/* Translate the fifo sizes into actual numbers */
917 	hw_feat->rx_fifo_size = 1 << (hw_feat->rx_fifo_size + 7);
918 	hw_feat->tx_fifo_size = 1 << (hw_feat->tx_fifo_size + 7);
919 }
920 
921 static void axgbe_init_all_fptrs(struct axgbe_port *pdata)
922 {
923 	axgbe_init_function_ptrs_dev(&pdata->hw_if);
924 	axgbe_init_function_ptrs_phy(&pdata->phy_if);
925 	axgbe_init_function_ptrs_i2c(&pdata->i2c_if);
926 	pdata->vdata->init_function_ptrs_phy_impl(&pdata->phy_if);
927 }
928 
929 static void axgbe_set_counts(struct axgbe_port *pdata)
930 {
931 	/* Set all the function pointers */
932 	axgbe_init_all_fptrs(pdata);
933 
934 	/* Populate the hardware features */
935 	axgbe_get_all_hw_features(pdata);
936 
937 	/* Set default max values if not provided */
938 	if (!pdata->tx_max_channel_count)
939 		pdata->tx_max_channel_count = pdata->hw_feat.tx_ch_cnt;
940 	if (!pdata->rx_max_channel_count)
941 		pdata->rx_max_channel_count = pdata->hw_feat.rx_ch_cnt;
942 
943 	if (!pdata->tx_max_q_count)
944 		pdata->tx_max_q_count = pdata->hw_feat.tx_q_cnt;
945 	if (!pdata->rx_max_q_count)
946 		pdata->rx_max_q_count = pdata->hw_feat.rx_q_cnt;
947 
948 	/* Calculate the number of Tx and Rx rings to be created
949 	 *  -Tx (DMA) Channels map 1-to-1 to Tx Queues so set
950 	 *   the number of Tx queues to the number of Tx channels
951 	 *   enabled
952 	 *  -Rx (DMA) Channels do not map 1-to-1 so use the actual
953 	 *   number of Rx queues or maximum allowed
954 	 */
955 	pdata->tx_ring_count = RTE_MIN(pdata->hw_feat.tx_ch_cnt,
956 				     pdata->tx_max_channel_count);
957 	pdata->tx_ring_count = RTE_MIN(pdata->tx_ring_count,
958 				     pdata->tx_max_q_count);
959 
960 	pdata->tx_q_count = pdata->tx_ring_count;
961 
962 	pdata->rx_ring_count = RTE_MIN(pdata->hw_feat.rx_ch_cnt,
963 				     pdata->rx_max_channel_count);
964 
965 	pdata->rx_q_count = RTE_MIN(pdata->hw_feat.rx_q_cnt,
966 				  pdata->rx_max_q_count);
967 }
968 
969 static void axgbe_default_config(struct axgbe_port *pdata)
970 {
971 	pdata->pblx8 = DMA_PBL_X8_ENABLE;
972 	pdata->tx_sf_mode = MTL_TSF_ENABLE;
973 	pdata->tx_threshold = MTL_TX_THRESHOLD_64;
974 	pdata->tx_pbl = DMA_PBL_32;
975 	pdata->tx_osp_mode = DMA_OSP_ENABLE;
976 	pdata->rx_sf_mode = MTL_RSF_ENABLE;
977 	pdata->rx_threshold = MTL_RX_THRESHOLD_64;
978 	pdata->rx_pbl = DMA_PBL_32;
979 	pdata->pause_autoneg = 1;
980 	pdata->tx_pause = 0;
981 	pdata->rx_pause = 0;
982 	pdata->phy_speed = SPEED_UNKNOWN;
983 	pdata->power_down = 0;
984 }
985 
986 static int
987 pci_device_cmp(const struct rte_device *dev, const void *_pci_id)
988 {
989 	const struct rte_pci_device *pdev = RTE_DEV_TO_PCI_CONST(dev);
990 	const struct rte_pci_id *pcid = _pci_id;
991 
992 	if (pdev->id.vendor_id == AMD_PCI_VENDOR_ID &&
993 			pdev->id.device_id == pcid->device_id)
994 		return 0;
995 	return 1;
996 }
997 
998 static bool
999 pci_search_device(int device_id)
1000 {
1001 	struct rte_bus *pci_bus;
1002 	struct rte_pci_id dev_id;
1003 
1004 	dev_id.device_id = device_id;
1005 	pci_bus = rte_bus_find_by_name("pci");
1006 	return (pci_bus != NULL) &&
1007 		(pci_bus->find_device(NULL, pci_device_cmp, &dev_id) != NULL);
1008 }
1009 
1010 /*
1011  * It returns 0 on success.
1012  */
1013 static int
1014 eth_axgbe_dev_init(struct rte_eth_dev *eth_dev)
1015 {
1016 	PMD_INIT_FUNC_TRACE();
1017 	struct axgbe_port *pdata;
1018 	struct rte_pci_device *pci_dev;
1019 	uint32_t reg, mac_lo, mac_hi;
1020 	int ret;
1021 
1022 	eth_dev->dev_ops = &axgbe_eth_dev_ops;
1023 	eth_dev->rx_pkt_burst = &axgbe_recv_pkts;
1024 
1025 	/*
1026 	 * For secondary processes, we don't initialise any further as primary
1027 	 * has already done this work.
1028 	 */
1029 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1030 		return 0;
1031 
1032 	pdata = eth_dev->data->dev_private;
1033 	/* initial state */
1034 	axgbe_set_bit(AXGBE_DOWN, &pdata->dev_state);
1035 	axgbe_set_bit(AXGBE_STOPPED, &pdata->dev_state);
1036 	pdata->eth_dev = eth_dev;
1037 
1038 	pci_dev = RTE_DEV_TO_PCI(eth_dev->device);
1039 	pdata->pci_dev = pci_dev;
1040 
1041 	/*
1042 	 * Use root complex device ID to differentiate RV AXGBE vs SNOWY AXGBE
1043 	 */
1044 	if (pci_search_device(AMD_PCI_RV_ROOT_COMPLEX_ID)) {
1045 		pdata->xpcs_window_def_reg = PCS_V2_RV_WINDOW_DEF;
1046 		pdata->xpcs_window_sel_reg = PCS_V2_RV_WINDOW_SELECT;
1047 	} else {
1048 		pdata->xpcs_window_def_reg = PCS_V2_WINDOW_DEF;
1049 		pdata->xpcs_window_sel_reg = PCS_V2_WINDOW_SELECT;
1050 	}
1051 
1052 	pdata->xgmac_regs =
1053 		(void *)pci_dev->mem_resource[AXGBE_AXGMAC_BAR].addr;
1054 	pdata->xprop_regs = (void *)((uint8_t *)pdata->xgmac_regs
1055 				     + AXGBE_MAC_PROP_OFFSET);
1056 	pdata->xi2c_regs = (void *)((uint8_t *)pdata->xgmac_regs
1057 				    + AXGBE_I2C_CTRL_OFFSET);
1058 	pdata->xpcs_regs = (void *)pci_dev->mem_resource[AXGBE_XPCS_BAR].addr;
1059 
1060 	/* version specific driver data*/
1061 	if (pci_dev->id.device_id == AMD_PCI_AXGBE_DEVICE_V2A)
1062 		pdata->vdata = &axgbe_v2a;
1063 	else
1064 		pdata->vdata = &axgbe_v2b;
1065 
1066 	/* Configure the PCS indirect addressing support */
1067 	reg = XPCS32_IOREAD(pdata, pdata->xpcs_window_def_reg);
1068 	pdata->xpcs_window = XPCS_GET_BITS(reg, PCS_V2_WINDOW_DEF, OFFSET);
1069 	pdata->xpcs_window <<= 6;
1070 	pdata->xpcs_window_size = XPCS_GET_BITS(reg, PCS_V2_WINDOW_DEF, SIZE);
1071 	pdata->xpcs_window_size = 1 << (pdata->xpcs_window_size + 7);
1072 	pdata->xpcs_window_mask = pdata->xpcs_window_size - 1;
1073 
1074 	PMD_INIT_LOG(DEBUG,
1075 		     "xpcs window :%x, size :%x, mask :%x ", pdata->xpcs_window,
1076 		     pdata->xpcs_window_size, pdata->xpcs_window_mask);
1077 	XP_IOWRITE(pdata, XP_INT_EN, 0x1fffff);
1078 
1079 	/* Retrieve the MAC address */
1080 	mac_lo = XP_IOREAD(pdata, XP_MAC_ADDR_LO);
1081 	mac_hi = XP_IOREAD(pdata, XP_MAC_ADDR_HI);
1082 	pdata->mac_addr.addr_bytes[0] = mac_lo & 0xff;
1083 	pdata->mac_addr.addr_bytes[1] = (mac_lo >> 8) & 0xff;
1084 	pdata->mac_addr.addr_bytes[2] = (mac_lo >> 16) & 0xff;
1085 	pdata->mac_addr.addr_bytes[3] = (mac_lo >> 24) & 0xff;
1086 	pdata->mac_addr.addr_bytes[4] = mac_hi & 0xff;
1087 	pdata->mac_addr.addr_bytes[5] = (mac_hi >> 8)  &  0xff;
1088 
1089 	eth_dev->data->mac_addrs = rte_zmalloc("axgbe_mac_addr",
1090 					       RTE_ETHER_ADDR_LEN, 0);
1091 	if (!eth_dev->data->mac_addrs) {
1092 		PMD_INIT_LOG(ERR,
1093 			     "Failed to alloc %u bytes needed to store MAC addr tbl",
1094 			     RTE_ETHER_ADDR_LEN);
1095 		return -ENOMEM;
1096 	}
1097 
1098 	if (!rte_is_valid_assigned_ether_addr(&pdata->mac_addr))
1099 		rte_eth_random_addr(pdata->mac_addr.addr_bytes);
1100 
1101 	/* Copy the permanent MAC address */
1102 	rte_ether_addr_copy(&pdata->mac_addr, &eth_dev->data->mac_addrs[0]);
1103 
1104 	/* Clock settings */
1105 	pdata->sysclk_rate = AXGBE_V2_DMA_CLOCK_FREQ;
1106 	pdata->ptpclk_rate = AXGBE_V2_PTP_CLOCK_FREQ;
1107 
1108 	/* Set the DMA coherency values */
1109 	pdata->coherent = 1;
1110 	pdata->axdomain = AXGBE_DMA_OS_AXDOMAIN;
1111 	pdata->arcache = AXGBE_DMA_OS_ARCACHE;
1112 	pdata->awcache = AXGBE_DMA_OS_AWCACHE;
1113 
1114 	/* Set the maximum channels and queues */
1115 	reg = XP_IOREAD(pdata, XP_PROP_1);
1116 	pdata->tx_max_channel_count = XP_GET_BITS(reg, XP_PROP_1, MAX_TX_DMA);
1117 	pdata->rx_max_channel_count = XP_GET_BITS(reg, XP_PROP_1, MAX_RX_DMA);
1118 	pdata->tx_max_q_count = XP_GET_BITS(reg, XP_PROP_1, MAX_TX_QUEUES);
1119 	pdata->rx_max_q_count = XP_GET_BITS(reg, XP_PROP_1, MAX_RX_QUEUES);
1120 
1121 	/* Set the hardware channel and queue counts */
1122 	axgbe_set_counts(pdata);
1123 
1124 	/* Set the maximum fifo amounts */
1125 	reg = XP_IOREAD(pdata, XP_PROP_2);
1126 	pdata->tx_max_fifo_size = XP_GET_BITS(reg, XP_PROP_2, TX_FIFO_SIZE);
1127 	pdata->tx_max_fifo_size *= 16384;
1128 	pdata->tx_max_fifo_size = RTE_MIN(pdata->tx_max_fifo_size,
1129 					  pdata->vdata->tx_max_fifo_size);
1130 	pdata->rx_max_fifo_size = XP_GET_BITS(reg, XP_PROP_2, RX_FIFO_SIZE);
1131 	pdata->rx_max_fifo_size *= 16384;
1132 	pdata->rx_max_fifo_size = RTE_MIN(pdata->rx_max_fifo_size,
1133 					  pdata->vdata->rx_max_fifo_size);
1134 	/* Issue software reset to DMA */
1135 	ret = pdata->hw_if.exit(pdata);
1136 	if (ret)
1137 		PMD_DRV_LOG(ERR, "hw_if->exit EBUSY error\n");
1138 
1139 	/* Set default configuration data */
1140 	axgbe_default_config(pdata);
1141 
1142 	/* Set default max values if not provided */
1143 	if (!pdata->tx_max_fifo_size)
1144 		pdata->tx_max_fifo_size = pdata->hw_feat.tx_fifo_size;
1145 	if (!pdata->rx_max_fifo_size)
1146 		pdata->rx_max_fifo_size = pdata->hw_feat.rx_fifo_size;
1147 
1148 	pdata->tx_desc_count = AXGBE_MAX_RING_DESC;
1149 	pdata->rx_desc_count = AXGBE_MAX_RING_DESC;
1150 	pthread_mutex_init(&pdata->xpcs_mutex, NULL);
1151 	pthread_mutex_init(&pdata->i2c_mutex, NULL);
1152 	pthread_mutex_init(&pdata->an_mutex, NULL);
1153 	pthread_mutex_init(&pdata->phy_mutex, NULL);
1154 
1155 	ret = pdata->phy_if.phy_init(pdata);
1156 	if (ret) {
1157 		rte_free(eth_dev->data->mac_addrs);
1158 		eth_dev->data->mac_addrs = NULL;
1159 		return ret;
1160 	}
1161 
1162 	rte_intr_callback_register(&pci_dev->intr_handle,
1163 				   axgbe_dev_interrupt_handler,
1164 				   (void *)eth_dev);
1165 	PMD_INIT_LOG(DEBUG, "port %d vendorID=0x%x deviceID=0x%x",
1166 		     eth_dev->data->port_id, pci_dev->id.vendor_id,
1167 		     pci_dev->id.device_id);
1168 
1169 	return 0;
1170 }
1171 
1172 static int
1173 eth_axgbe_dev_uninit(struct rte_eth_dev *eth_dev)
1174 {
1175 	struct rte_pci_device *pci_dev;
1176 
1177 	PMD_INIT_FUNC_TRACE();
1178 
1179 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1180 		return 0;
1181 
1182 	pci_dev = RTE_DEV_TO_PCI(eth_dev->device);
1183 	eth_dev->dev_ops = NULL;
1184 	eth_dev->rx_pkt_burst = NULL;
1185 	eth_dev->tx_pkt_burst = NULL;
1186 	axgbe_dev_clear_queues(eth_dev);
1187 
1188 	/* disable uio intr before callback unregister */
1189 	rte_intr_disable(&pci_dev->intr_handle);
1190 	rte_intr_callback_unregister(&pci_dev->intr_handle,
1191 				     axgbe_dev_interrupt_handler,
1192 				     (void *)eth_dev);
1193 
1194 	return 0;
1195 }
1196 
1197 static int eth_axgbe_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1198 	struct rte_pci_device *pci_dev)
1199 {
1200 	return rte_eth_dev_pci_generic_probe(pci_dev,
1201 		sizeof(struct axgbe_port), eth_axgbe_dev_init);
1202 }
1203 
1204 static int eth_axgbe_pci_remove(struct rte_pci_device *pci_dev)
1205 {
1206 	return rte_eth_dev_pci_generic_remove(pci_dev, eth_axgbe_dev_uninit);
1207 }
1208 
1209 static struct rte_pci_driver rte_axgbe_pmd = {
1210 	.id_table = pci_id_axgbe_map,
1211 	.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
1212 	.probe = eth_axgbe_pci_probe,
1213 	.remove = eth_axgbe_pci_remove,
1214 };
1215 
1216 RTE_PMD_REGISTER_PCI(net_axgbe, rte_axgbe_pmd);
1217 RTE_PMD_REGISTER_PCI_TABLE(net_axgbe, pci_id_axgbe_map);
1218 RTE_PMD_REGISTER_KMOD_DEP(net_axgbe, "* igb_uio | uio_pci_generic | vfio-pci");
1219 
1220 RTE_INIT(axgbe_init_log)
1221 {
1222 	axgbe_logtype_init = rte_log_register("pmd.net.axgbe.init");
1223 	if (axgbe_logtype_init >= 0)
1224 		rte_log_set_level(axgbe_logtype_init, RTE_LOG_NOTICE);
1225 	axgbe_logtype_driver = rte_log_register("pmd.net.axgbe.driver");
1226 	if (axgbe_logtype_driver >= 0)
1227 		rte_log_set_level(axgbe_logtype_driver, RTE_LOG_NOTICE);
1228 }
1229