xref: /dpdk/drivers/net/hns3/hns3_ethdev.c (revision 1a3022b2)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2018-2019 Hisilicon Limited.
3  */
4 
5 #include <rte_alarm.h>
6 #include <rte_bus_pci.h>
7 #include <ethdev_pci.h>
8 #include <rte_pci.h>
9 
10 #include "hns3_ethdev.h"
11 #include "hns3_logs.h"
12 #include "hns3_rxtx.h"
13 #include "hns3_intr.h"
14 #include "hns3_regs.h"
15 #include "hns3_dcb.h"
16 #include "hns3_mp.h"
17 
18 #define HNS3_DEFAULT_PORT_CONF_BURST_SIZE	32
19 #define HNS3_DEFAULT_PORT_CONF_QUEUES_NUM	1
20 
21 #define HNS3_SERVICE_INTERVAL		1000000 /* us */
22 #define HNS3_SERVICE_QUICK_INTERVAL	10
23 #define HNS3_INVALID_PVID		0xFFFF
24 
25 #define HNS3_FILTER_TYPE_VF		0
26 #define HNS3_FILTER_TYPE_PORT		1
27 #define HNS3_FILTER_FE_EGRESS_V1_B	BIT(0)
28 #define HNS3_FILTER_FE_NIC_INGRESS_B	BIT(0)
29 #define HNS3_FILTER_FE_NIC_EGRESS_B	BIT(1)
30 #define HNS3_FILTER_FE_ROCE_INGRESS_B	BIT(2)
31 #define HNS3_FILTER_FE_ROCE_EGRESS_B	BIT(3)
32 #define HNS3_FILTER_FE_EGRESS		(HNS3_FILTER_FE_NIC_EGRESS_B \
33 					| HNS3_FILTER_FE_ROCE_EGRESS_B)
34 #define HNS3_FILTER_FE_INGRESS		(HNS3_FILTER_FE_NIC_INGRESS_B \
35 					| HNS3_FILTER_FE_ROCE_INGRESS_B)
36 
37 /* Reset related Registers */
38 #define HNS3_GLOBAL_RESET_BIT		0
39 #define HNS3_CORE_RESET_BIT		1
40 #define HNS3_IMP_RESET_BIT		2
41 #define HNS3_FUN_RST_ING_B		0
42 
43 #define HNS3_VECTOR0_IMP_RESET_INT_B	1
44 #define HNS3_VECTOR0_IMP_CMDQ_ERR_B	4U
45 #define HNS3_VECTOR0_IMP_RD_POISON_B	5U
46 #define HNS3_VECTOR0_ALL_MSIX_ERR_B	6U
47 
48 #define HNS3_RESET_WAIT_MS	100
49 #define HNS3_RESET_WAIT_CNT	200
50 
51 /* FEC mode order defined in HNS3 hardware */
52 #define HNS3_HW_FEC_MODE_NOFEC  0
53 #define HNS3_HW_FEC_MODE_BASER  1
54 #define HNS3_HW_FEC_MODE_RS     2
55 
56 enum hns3_evt_cause {
57 	HNS3_VECTOR0_EVENT_RST,
58 	HNS3_VECTOR0_EVENT_MBX,
59 	HNS3_VECTOR0_EVENT_ERR,
60 	HNS3_VECTOR0_EVENT_OTHER,
61 };
62 
63 static const struct rte_eth_fec_capa speed_fec_capa_tbl[] = {
64 	{ ETH_SPEED_NUM_10G, RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC) |
65 			     RTE_ETH_FEC_MODE_CAPA_MASK(AUTO) |
66 			     RTE_ETH_FEC_MODE_CAPA_MASK(BASER) },
67 
68 	{ ETH_SPEED_NUM_25G, RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC) |
69 			     RTE_ETH_FEC_MODE_CAPA_MASK(AUTO) |
70 			     RTE_ETH_FEC_MODE_CAPA_MASK(BASER) |
71 			     RTE_ETH_FEC_MODE_CAPA_MASK(RS) },
72 
73 	{ ETH_SPEED_NUM_40G, RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC) |
74 			     RTE_ETH_FEC_MODE_CAPA_MASK(AUTO) |
75 			     RTE_ETH_FEC_MODE_CAPA_MASK(BASER) },
76 
77 	{ ETH_SPEED_NUM_50G, RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC) |
78 			     RTE_ETH_FEC_MODE_CAPA_MASK(AUTO) |
79 			     RTE_ETH_FEC_MODE_CAPA_MASK(BASER) |
80 			     RTE_ETH_FEC_MODE_CAPA_MASK(RS) },
81 
82 	{ ETH_SPEED_NUM_100G, RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC) |
83 			      RTE_ETH_FEC_MODE_CAPA_MASK(AUTO) |
84 			      RTE_ETH_FEC_MODE_CAPA_MASK(RS) },
85 
86 	{ ETH_SPEED_NUM_200G, RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC) |
87 			      RTE_ETH_FEC_MODE_CAPA_MASK(AUTO) |
88 			      RTE_ETH_FEC_MODE_CAPA_MASK(RS) }
89 };
90 
91 static enum hns3_reset_level hns3_get_reset_level(struct hns3_adapter *hns,
92 						 uint64_t *levels);
93 static int hns3_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
94 static int hns3_vlan_pvid_configure(struct hns3_adapter *hns, uint16_t pvid,
95 				    int on);
96 static int hns3_update_link_info(struct rte_eth_dev *eth_dev);
97 static bool hns3_update_link_status(struct hns3_hw *hw);
98 
99 static int hns3_add_mc_addr(struct hns3_hw *hw,
100 			    struct rte_ether_addr *mac_addr);
101 static int hns3_remove_mc_addr(struct hns3_hw *hw,
102 			    struct rte_ether_addr *mac_addr);
103 static int hns3_restore_fec(struct hns3_hw *hw);
104 static int hns3_query_dev_fec_info(struct hns3_hw *hw);
105 
106 void hns3_ether_format_addr(char *buf, uint16_t size,
107 			    const struct rte_ether_addr *ether_addr)
108 {
109 	snprintf(buf, size, "%02X:**:**:**:%02X:%02X",
110 		ether_addr->addr_bytes[0],
111 		ether_addr->addr_bytes[4],
112 		ether_addr->addr_bytes[5]);
113 }
114 
115 static void
116 hns3_pf_disable_irq0(struct hns3_hw *hw)
117 {
118 	hns3_write_dev(hw, HNS3_MISC_VECTOR_REG_BASE, 0);
119 }
120 
121 static void
122 hns3_pf_enable_irq0(struct hns3_hw *hw)
123 {
124 	hns3_write_dev(hw, HNS3_MISC_VECTOR_REG_BASE, 1);
125 }
126 
127 static enum hns3_evt_cause
128 hns3_proc_imp_reset_event(struct hns3_adapter *hns, bool is_delay,
129 			  uint32_t *vec_val)
130 {
131 	struct hns3_hw *hw = &hns->hw;
132 
133 	__atomic_store_n(&hw->reset.disable_cmd, 1, __ATOMIC_RELAXED);
134 	hns3_atomic_set_bit(HNS3_IMP_RESET, &hw->reset.pending);
135 	*vec_val = BIT(HNS3_VECTOR0_IMPRESET_INT_B);
136 	if (!is_delay) {
137 		hw->reset.stats.imp_cnt++;
138 		hns3_warn(hw, "IMP reset detected, clear reset status");
139 	} else {
140 		hns3_schedule_delayed_reset(hns);
141 		hns3_warn(hw, "IMP reset detected, don't clear reset status");
142 	}
143 
144 	return HNS3_VECTOR0_EVENT_RST;
145 }
146 
147 static enum hns3_evt_cause
148 hns3_proc_global_reset_event(struct hns3_adapter *hns, bool is_delay,
149 			     uint32_t *vec_val)
150 {
151 	struct hns3_hw *hw = &hns->hw;
152 
153 	__atomic_store_n(&hw->reset.disable_cmd, 1, __ATOMIC_RELAXED);
154 	hns3_atomic_set_bit(HNS3_GLOBAL_RESET, &hw->reset.pending);
155 	*vec_val = BIT(HNS3_VECTOR0_GLOBALRESET_INT_B);
156 	if (!is_delay) {
157 		hw->reset.stats.global_cnt++;
158 		hns3_warn(hw, "Global reset detected, clear reset status");
159 	} else {
160 		hns3_schedule_delayed_reset(hns);
161 		hns3_warn(hw,
162 			  "Global reset detected, don't clear reset status");
163 	}
164 
165 	return HNS3_VECTOR0_EVENT_RST;
166 }
167 
168 static enum hns3_evt_cause
169 hns3_check_event_cause(struct hns3_adapter *hns, uint32_t *clearval)
170 {
171 	struct hns3_hw *hw = &hns->hw;
172 	uint32_t vector0_int_stats;
173 	uint32_t cmdq_src_val;
174 	uint32_t hw_err_src_reg;
175 	uint32_t val;
176 	enum hns3_evt_cause ret;
177 	bool is_delay;
178 
179 	/* fetch the events from their corresponding regs */
180 	vector0_int_stats = hns3_read_dev(hw, HNS3_VECTOR0_OTHER_INT_STS_REG);
181 	cmdq_src_val = hns3_read_dev(hw, HNS3_VECTOR0_CMDQ_SRC_REG);
182 	hw_err_src_reg = hns3_read_dev(hw, HNS3_RAS_PF_OTHER_INT_STS_REG);
183 
184 	is_delay = clearval == NULL ? true : false;
185 	/*
186 	 * Assumption: If by any chance reset and mailbox events are reported
187 	 * together then we will only process reset event and defer the
188 	 * processing of the mailbox events. Since, we would have not cleared
189 	 * RX CMDQ event this time we would receive again another interrupt
190 	 * from H/W just for the mailbox.
191 	 */
192 	if (BIT(HNS3_VECTOR0_IMPRESET_INT_B) & vector0_int_stats) { /* IMP */
193 		ret = hns3_proc_imp_reset_event(hns, is_delay, &val);
194 		goto out;
195 	}
196 
197 	/* Global reset */
198 	if (BIT(HNS3_VECTOR0_GLOBALRESET_INT_B) & vector0_int_stats) {
199 		ret = hns3_proc_global_reset_event(hns, is_delay, &val);
200 		goto out;
201 	}
202 
203 	/* check for vector0 msix event source */
204 	if (vector0_int_stats & HNS3_VECTOR0_REG_MSIX_MASK ||
205 	    hw_err_src_reg & HNS3_RAS_REG_NFE_MASK) {
206 		val = vector0_int_stats | hw_err_src_reg;
207 		ret = HNS3_VECTOR0_EVENT_ERR;
208 		goto out;
209 	}
210 
211 	/* check for vector0 mailbox(=CMDQ RX) event source */
212 	if (BIT(HNS3_VECTOR0_RX_CMDQ_INT_B) & cmdq_src_val) {
213 		cmdq_src_val &= ~BIT(HNS3_VECTOR0_RX_CMDQ_INT_B);
214 		val = cmdq_src_val;
215 		ret = HNS3_VECTOR0_EVENT_MBX;
216 		goto out;
217 	}
218 
219 	if (clearval && (vector0_int_stats || cmdq_src_val || hw_err_src_reg))
220 		hns3_warn(hw, "vector0_int_stats:0x%x cmdq_src_val:0x%x hw_err_src_reg:0x%x",
221 			  vector0_int_stats, cmdq_src_val, hw_err_src_reg);
222 	val = vector0_int_stats;
223 	ret = HNS3_VECTOR0_EVENT_OTHER;
224 out:
225 
226 	if (clearval)
227 		*clearval = val;
228 	return ret;
229 }
230 
231 static void
232 hns3_clear_event_cause(struct hns3_hw *hw, uint32_t event_type, uint32_t regclr)
233 {
234 	if (event_type == HNS3_VECTOR0_EVENT_RST)
235 		hns3_write_dev(hw, HNS3_MISC_RESET_STS_REG, regclr);
236 	else if (event_type == HNS3_VECTOR0_EVENT_MBX)
237 		hns3_write_dev(hw, HNS3_VECTOR0_CMDQ_SRC_REG, regclr);
238 }
239 
240 static void
241 hns3_clear_all_event_cause(struct hns3_hw *hw)
242 {
243 	uint32_t vector0_int_stats;
244 	vector0_int_stats = hns3_read_dev(hw, HNS3_VECTOR0_OTHER_INT_STS_REG);
245 
246 	if (BIT(HNS3_VECTOR0_IMPRESET_INT_B) & vector0_int_stats)
247 		hns3_warn(hw, "Probe during IMP reset interrupt");
248 
249 	if (BIT(HNS3_VECTOR0_GLOBALRESET_INT_B) & vector0_int_stats)
250 		hns3_warn(hw, "Probe during Global reset interrupt");
251 
252 	hns3_clear_event_cause(hw, HNS3_VECTOR0_EVENT_RST,
253 			       BIT(HNS3_VECTOR0_IMPRESET_INT_B) |
254 			       BIT(HNS3_VECTOR0_GLOBALRESET_INT_B) |
255 			       BIT(HNS3_VECTOR0_CORERESET_INT_B));
256 	hns3_clear_event_cause(hw, HNS3_VECTOR0_EVENT_MBX, 0);
257 }
258 
259 static void
260 hns3_interrupt_handler(void *param)
261 {
262 	struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
263 	struct hns3_adapter *hns = dev->data->dev_private;
264 	struct hns3_hw *hw = &hns->hw;
265 	enum hns3_evt_cause event_cause;
266 	uint32_t clearval = 0;
267 
268 	/* Disable interrupt */
269 	hns3_pf_disable_irq0(hw);
270 
271 	event_cause = hns3_check_event_cause(hns, &clearval);
272 	/* vector 0 interrupt is shared with reset and mailbox source events. */
273 	if (event_cause == HNS3_VECTOR0_EVENT_ERR) {
274 		hns3_warn(hw, "Received err interrupt");
275 		hns3_handle_msix_error(hns, &hw->reset.request);
276 		hns3_handle_ras_error(hns, &hw->reset.request);
277 		hns3_schedule_reset(hns);
278 	} else if (event_cause == HNS3_VECTOR0_EVENT_RST) {
279 		hns3_warn(hw, "Received reset interrupt");
280 		hns3_schedule_reset(hns);
281 	} else if (event_cause == HNS3_VECTOR0_EVENT_MBX)
282 		hns3_dev_handle_mbx_msg(hw);
283 	else
284 		hns3_err(hw, "Received unknown event");
285 
286 	hns3_clear_event_cause(hw, event_cause, clearval);
287 	/* Enable interrupt if it is not cause by reset */
288 	hns3_pf_enable_irq0(hw);
289 }
290 
291 static int
292 hns3_set_port_vlan_filter(struct hns3_adapter *hns, uint16_t vlan_id, int on)
293 {
294 #define HNS3_VLAN_ID_OFFSET_STEP	160
295 #define HNS3_VLAN_BYTE_SIZE		8
296 	struct hns3_vlan_filter_pf_cfg_cmd *req;
297 	struct hns3_hw *hw = &hns->hw;
298 	uint8_t vlan_offset_byte_val;
299 	struct hns3_cmd_desc desc;
300 	uint8_t vlan_offset_byte;
301 	uint8_t vlan_offset_base;
302 	int ret;
303 
304 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_VLAN_FILTER_PF_CFG, false);
305 
306 	vlan_offset_base = vlan_id / HNS3_VLAN_ID_OFFSET_STEP;
307 	vlan_offset_byte = (vlan_id % HNS3_VLAN_ID_OFFSET_STEP) /
308 			   HNS3_VLAN_BYTE_SIZE;
309 	vlan_offset_byte_val = 1 << (vlan_id % HNS3_VLAN_BYTE_SIZE);
310 
311 	req = (struct hns3_vlan_filter_pf_cfg_cmd *)desc.data;
312 	req->vlan_offset = vlan_offset_base;
313 	req->vlan_cfg = on ? 0 : 1;
314 	req->vlan_offset_bitmap[vlan_offset_byte] = vlan_offset_byte_val;
315 
316 	ret = hns3_cmd_send(hw, &desc, 1);
317 	if (ret)
318 		hns3_err(hw, "set port vlan id failed, vlan_id =%u, ret =%d",
319 			 vlan_id, ret);
320 
321 	return ret;
322 }
323 
324 static void
325 hns3_rm_dev_vlan_table(struct hns3_adapter *hns, uint16_t vlan_id)
326 {
327 	struct hns3_user_vlan_table *vlan_entry;
328 	struct hns3_pf *pf = &hns->pf;
329 
330 	LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
331 		if (vlan_entry->vlan_id == vlan_id) {
332 			if (vlan_entry->hd_tbl_status)
333 				hns3_set_port_vlan_filter(hns, vlan_id, 0);
334 			LIST_REMOVE(vlan_entry, next);
335 			rte_free(vlan_entry);
336 			break;
337 		}
338 	}
339 }
340 
341 static void
342 hns3_add_dev_vlan_table(struct hns3_adapter *hns, uint16_t vlan_id,
343 			bool writen_to_tbl)
344 {
345 	struct hns3_user_vlan_table *vlan_entry;
346 	struct hns3_hw *hw = &hns->hw;
347 	struct hns3_pf *pf = &hns->pf;
348 
349 	LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
350 		if (vlan_entry->vlan_id == vlan_id)
351 			return;
352 	}
353 
354 	vlan_entry = rte_zmalloc("hns3_vlan_tbl", sizeof(*vlan_entry), 0);
355 	if (vlan_entry == NULL) {
356 		hns3_err(hw, "Failed to malloc hns3 vlan table");
357 		return;
358 	}
359 
360 	vlan_entry->hd_tbl_status = writen_to_tbl;
361 	vlan_entry->vlan_id = vlan_id;
362 
363 	LIST_INSERT_HEAD(&pf->vlan_list, vlan_entry, next);
364 }
365 
366 static int
367 hns3_restore_vlan_table(struct hns3_adapter *hns)
368 {
369 	struct hns3_user_vlan_table *vlan_entry;
370 	struct hns3_hw *hw = &hns->hw;
371 	struct hns3_pf *pf = &hns->pf;
372 	uint16_t vlan_id;
373 	int ret = 0;
374 
375 	if (hw->port_base_vlan_cfg.state == HNS3_PORT_BASE_VLAN_ENABLE)
376 		return hns3_vlan_pvid_configure(hns,
377 						hw->port_base_vlan_cfg.pvid, 1);
378 
379 	LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
380 		if (vlan_entry->hd_tbl_status) {
381 			vlan_id = vlan_entry->vlan_id;
382 			ret = hns3_set_port_vlan_filter(hns, vlan_id, 1);
383 			if (ret)
384 				break;
385 		}
386 	}
387 
388 	return ret;
389 }
390 
391 static int
392 hns3_vlan_filter_configure(struct hns3_adapter *hns, uint16_t vlan_id, int on)
393 {
394 	struct hns3_hw *hw = &hns->hw;
395 	bool writen_to_tbl = false;
396 	int ret = 0;
397 
398 	/*
399 	 * When vlan filter is enabled, hardware regards packets without vlan
400 	 * as packets with vlan 0. So, to receive packets without vlan, vlan id
401 	 * 0 is not allowed to be removed by rte_eth_dev_vlan_filter.
402 	 */
403 	if (on == 0 && vlan_id == 0)
404 		return 0;
405 
406 	/*
407 	 * When port base vlan enabled, we use port base vlan as the vlan
408 	 * filter condition. In this case, we don't update vlan filter table
409 	 * when user add new vlan or remove exist vlan, just update the
410 	 * vlan list. The vlan id in vlan list will be writen in vlan filter
411 	 * table until port base vlan disabled
412 	 */
413 	if (hw->port_base_vlan_cfg.state == HNS3_PORT_BASE_VLAN_DISABLE) {
414 		ret = hns3_set_port_vlan_filter(hns, vlan_id, on);
415 		writen_to_tbl = true;
416 	}
417 
418 	if (ret == 0) {
419 		if (on)
420 			hns3_add_dev_vlan_table(hns, vlan_id, writen_to_tbl);
421 		else
422 			hns3_rm_dev_vlan_table(hns, vlan_id);
423 	}
424 	return ret;
425 }
426 
427 static int
428 hns3_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
429 {
430 	struct hns3_adapter *hns = dev->data->dev_private;
431 	struct hns3_hw *hw = &hns->hw;
432 	int ret;
433 
434 	rte_spinlock_lock(&hw->lock);
435 	ret = hns3_vlan_filter_configure(hns, vlan_id, on);
436 	rte_spinlock_unlock(&hw->lock);
437 	return ret;
438 }
439 
440 static int
441 hns3_vlan_tpid_configure(struct hns3_adapter *hns, enum rte_vlan_type vlan_type,
442 			 uint16_t tpid)
443 {
444 	struct hns3_rx_vlan_type_cfg_cmd *rx_req;
445 	struct hns3_tx_vlan_type_cfg_cmd *tx_req;
446 	struct hns3_hw *hw = &hns->hw;
447 	struct hns3_cmd_desc desc;
448 	int ret;
449 
450 	if ((vlan_type != ETH_VLAN_TYPE_INNER &&
451 	     vlan_type != ETH_VLAN_TYPE_OUTER)) {
452 		hns3_err(hw, "Unsupported vlan type, vlan_type =%d", vlan_type);
453 		return -EINVAL;
454 	}
455 
456 	if (tpid != RTE_ETHER_TYPE_VLAN) {
457 		hns3_err(hw, "Unsupported vlan tpid, vlan_type =%d", vlan_type);
458 		return -EINVAL;
459 	}
460 
461 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_TYPE_ID, false);
462 	rx_req = (struct hns3_rx_vlan_type_cfg_cmd *)desc.data;
463 
464 	if (vlan_type == ETH_VLAN_TYPE_OUTER) {
465 		rx_req->ot_fst_vlan_type = rte_cpu_to_le_16(tpid);
466 		rx_req->ot_sec_vlan_type = rte_cpu_to_le_16(tpid);
467 	} else if (vlan_type == ETH_VLAN_TYPE_INNER) {
468 		rx_req->ot_fst_vlan_type = rte_cpu_to_le_16(tpid);
469 		rx_req->ot_sec_vlan_type = rte_cpu_to_le_16(tpid);
470 		rx_req->in_fst_vlan_type = rte_cpu_to_le_16(tpid);
471 		rx_req->in_sec_vlan_type = rte_cpu_to_le_16(tpid);
472 	}
473 
474 	ret = hns3_cmd_send(hw, &desc, 1);
475 	if (ret) {
476 		hns3_err(hw, "Send rxvlan protocol type command fail, ret =%d",
477 			 ret);
478 		return ret;
479 	}
480 
481 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_INSERT, false);
482 
483 	tx_req = (struct hns3_tx_vlan_type_cfg_cmd *)desc.data;
484 	tx_req->ot_vlan_type = rte_cpu_to_le_16(tpid);
485 	tx_req->in_vlan_type = rte_cpu_to_le_16(tpid);
486 
487 	ret = hns3_cmd_send(hw, &desc, 1);
488 	if (ret)
489 		hns3_err(hw, "Send txvlan protocol type command fail, ret =%d",
490 			 ret);
491 	return ret;
492 }
493 
494 static int
495 hns3_vlan_tpid_set(struct rte_eth_dev *dev, enum rte_vlan_type vlan_type,
496 		   uint16_t tpid)
497 {
498 	struct hns3_adapter *hns = dev->data->dev_private;
499 	struct hns3_hw *hw = &hns->hw;
500 	int ret;
501 
502 	rte_spinlock_lock(&hw->lock);
503 	ret = hns3_vlan_tpid_configure(hns, vlan_type, tpid);
504 	rte_spinlock_unlock(&hw->lock);
505 	return ret;
506 }
507 
508 static int
509 hns3_set_vlan_rx_offload_cfg(struct hns3_adapter *hns,
510 			     struct hns3_rx_vtag_cfg *vcfg)
511 {
512 	struct hns3_vport_vtag_rx_cfg_cmd *req;
513 	struct hns3_hw *hw = &hns->hw;
514 	struct hns3_cmd_desc desc;
515 	uint16_t vport_id;
516 	uint8_t bitmap;
517 	int ret;
518 
519 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_VLAN_PORT_RX_CFG, false);
520 
521 	req = (struct hns3_vport_vtag_rx_cfg_cmd *)desc.data;
522 	hns3_set_bit(req->vport_vlan_cfg, HNS3_REM_TAG1_EN_B,
523 		     vcfg->strip_tag1_en ? 1 : 0);
524 	hns3_set_bit(req->vport_vlan_cfg, HNS3_REM_TAG2_EN_B,
525 		     vcfg->strip_tag2_en ? 1 : 0);
526 	hns3_set_bit(req->vport_vlan_cfg, HNS3_SHOW_TAG1_EN_B,
527 		     vcfg->vlan1_vlan_prionly ? 1 : 0);
528 	hns3_set_bit(req->vport_vlan_cfg, HNS3_SHOW_TAG2_EN_B,
529 		     vcfg->vlan2_vlan_prionly ? 1 : 0);
530 
531 	/* firmwall will ignore this configuration for PCI_REVISION_ID_HIP08 */
532 	hns3_set_bit(req->vport_vlan_cfg, HNS3_DISCARD_TAG1_EN_B,
533 		     vcfg->strip_tag1_discard_en ? 1 : 0);
534 	hns3_set_bit(req->vport_vlan_cfg, HNS3_DISCARD_TAG2_EN_B,
535 		     vcfg->strip_tag2_discard_en ? 1 : 0);
536 	/*
537 	 * In current version VF is not supported when PF is driven by DPDK
538 	 * driver, just need to configure parameters for PF vport.
539 	 */
540 	vport_id = HNS3_PF_FUNC_ID;
541 	req->vf_offset = vport_id / HNS3_VF_NUM_PER_CMD;
542 	bitmap = 1 << (vport_id % HNS3_VF_NUM_PER_BYTE);
543 	req->vf_bitmap[req->vf_offset] = bitmap;
544 
545 	ret = hns3_cmd_send(hw, &desc, 1);
546 	if (ret)
547 		hns3_err(hw, "Send port rxvlan cfg command fail, ret =%d", ret);
548 	return ret;
549 }
550 
551 static void
552 hns3_update_rx_offload_cfg(struct hns3_adapter *hns,
553 			   struct hns3_rx_vtag_cfg *vcfg)
554 {
555 	struct hns3_pf *pf = &hns->pf;
556 	memcpy(&pf->vtag_config.rx_vcfg, vcfg, sizeof(pf->vtag_config.rx_vcfg));
557 }
558 
559 static void
560 hns3_update_tx_offload_cfg(struct hns3_adapter *hns,
561 			   struct hns3_tx_vtag_cfg *vcfg)
562 {
563 	struct hns3_pf *pf = &hns->pf;
564 	memcpy(&pf->vtag_config.tx_vcfg, vcfg, sizeof(pf->vtag_config.tx_vcfg));
565 }
566 
567 static int
568 hns3_en_hw_strip_rxvtag(struct hns3_adapter *hns, bool enable)
569 {
570 	struct hns3_rx_vtag_cfg rxvlan_cfg;
571 	struct hns3_hw *hw = &hns->hw;
572 	int ret;
573 
574 	if (hw->port_base_vlan_cfg.state == HNS3_PORT_BASE_VLAN_DISABLE) {
575 		rxvlan_cfg.strip_tag1_en = false;
576 		rxvlan_cfg.strip_tag2_en = enable;
577 		rxvlan_cfg.strip_tag2_discard_en = false;
578 	} else {
579 		rxvlan_cfg.strip_tag1_en = enable;
580 		rxvlan_cfg.strip_tag2_en = true;
581 		rxvlan_cfg.strip_tag2_discard_en = true;
582 	}
583 
584 	rxvlan_cfg.strip_tag1_discard_en = false;
585 	rxvlan_cfg.vlan1_vlan_prionly = false;
586 	rxvlan_cfg.vlan2_vlan_prionly = false;
587 	rxvlan_cfg.rx_vlan_offload_en = enable;
588 
589 	ret = hns3_set_vlan_rx_offload_cfg(hns, &rxvlan_cfg);
590 	if (ret) {
591 		hns3_err(hw, "enable strip rx vtag failed, ret =%d", ret);
592 		return ret;
593 	}
594 
595 	hns3_update_rx_offload_cfg(hns, &rxvlan_cfg);
596 
597 	return ret;
598 }
599 
600 static int
601 hns3_set_vlan_filter_ctrl(struct hns3_hw *hw, uint8_t vlan_type,
602 			  uint8_t fe_type, bool filter_en, uint8_t vf_id)
603 {
604 	struct hns3_vlan_filter_ctrl_cmd *req;
605 	struct hns3_cmd_desc desc;
606 	int ret;
607 
608 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_VLAN_FILTER_CTRL, false);
609 
610 	req = (struct hns3_vlan_filter_ctrl_cmd *)desc.data;
611 	req->vlan_type = vlan_type;
612 	req->vlan_fe = filter_en ? fe_type : 0;
613 	req->vf_id = vf_id;
614 
615 	ret = hns3_cmd_send(hw, &desc, 1);
616 	if (ret)
617 		hns3_err(hw, "set vlan filter fail, ret =%d", ret);
618 
619 	return ret;
620 }
621 
622 static int
623 hns3_vlan_filter_init(struct hns3_adapter *hns)
624 {
625 	struct hns3_hw *hw = &hns->hw;
626 	int ret;
627 
628 	ret = hns3_set_vlan_filter_ctrl(hw, HNS3_FILTER_TYPE_VF,
629 					HNS3_FILTER_FE_EGRESS, false,
630 					HNS3_PF_FUNC_ID);
631 	if (ret) {
632 		hns3_err(hw, "failed to init vf vlan filter, ret = %d", ret);
633 		return ret;
634 	}
635 
636 	ret = hns3_set_vlan_filter_ctrl(hw, HNS3_FILTER_TYPE_PORT,
637 					HNS3_FILTER_FE_INGRESS, false,
638 					HNS3_PF_FUNC_ID);
639 	if (ret)
640 		hns3_err(hw, "failed to init port vlan filter, ret = %d", ret);
641 
642 	return ret;
643 }
644 
645 static int
646 hns3_enable_vlan_filter(struct hns3_adapter *hns, bool enable)
647 {
648 	struct hns3_hw *hw = &hns->hw;
649 	int ret;
650 
651 	ret = hns3_set_vlan_filter_ctrl(hw, HNS3_FILTER_TYPE_PORT,
652 					HNS3_FILTER_FE_INGRESS, enable,
653 					HNS3_PF_FUNC_ID);
654 	if (ret)
655 		hns3_err(hw, "failed to %s port vlan filter, ret = %d",
656 			 enable ? "enable" : "disable", ret);
657 
658 	return ret;
659 }
660 
661 static int
662 hns3_vlan_offload_set(struct rte_eth_dev *dev, int mask)
663 {
664 	struct hns3_adapter *hns = dev->data->dev_private;
665 	struct hns3_hw *hw = &hns->hw;
666 	struct rte_eth_rxmode *rxmode;
667 	unsigned int tmp_mask;
668 	bool enable;
669 	int ret = 0;
670 
671 	rte_spinlock_lock(&hw->lock);
672 	rxmode = &dev->data->dev_conf.rxmode;
673 	tmp_mask = (unsigned int)mask;
674 	if (tmp_mask & ETH_VLAN_FILTER_MASK) {
675 		/* ignore vlan filter configuration during promiscuous mode */
676 		if (!dev->data->promiscuous) {
677 			/* Enable or disable VLAN filter */
678 			enable = rxmode->offloads & DEV_RX_OFFLOAD_VLAN_FILTER ?
679 				 true : false;
680 
681 			ret = hns3_enable_vlan_filter(hns, enable);
682 			if (ret) {
683 				rte_spinlock_unlock(&hw->lock);
684 				hns3_err(hw, "failed to %s rx filter, ret = %d",
685 					 enable ? "enable" : "disable", ret);
686 				return ret;
687 			}
688 		}
689 	}
690 
691 	if (tmp_mask & ETH_VLAN_STRIP_MASK) {
692 		/* Enable or disable VLAN stripping */
693 		enable = rxmode->offloads & DEV_RX_OFFLOAD_VLAN_STRIP ?
694 		    true : false;
695 
696 		ret = hns3_en_hw_strip_rxvtag(hns, enable);
697 		if (ret) {
698 			rte_spinlock_unlock(&hw->lock);
699 			hns3_err(hw, "failed to %s rx strip, ret = %d",
700 				 enable ? "enable" : "disable", ret);
701 			return ret;
702 		}
703 	}
704 
705 	rte_spinlock_unlock(&hw->lock);
706 
707 	return ret;
708 }
709 
710 static int
711 hns3_set_vlan_tx_offload_cfg(struct hns3_adapter *hns,
712 			     struct hns3_tx_vtag_cfg *vcfg)
713 {
714 	struct hns3_vport_vtag_tx_cfg_cmd *req;
715 	struct hns3_cmd_desc desc;
716 	struct hns3_hw *hw = &hns->hw;
717 	uint16_t vport_id;
718 	uint8_t bitmap;
719 	int ret;
720 
721 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_VLAN_PORT_TX_CFG, false);
722 
723 	req = (struct hns3_vport_vtag_tx_cfg_cmd *)desc.data;
724 	req->def_vlan_tag1 = vcfg->default_tag1;
725 	req->def_vlan_tag2 = vcfg->default_tag2;
726 	hns3_set_bit(req->vport_vlan_cfg, HNS3_ACCEPT_TAG1_B,
727 		     vcfg->accept_tag1 ? 1 : 0);
728 	hns3_set_bit(req->vport_vlan_cfg, HNS3_ACCEPT_UNTAG1_B,
729 		     vcfg->accept_untag1 ? 1 : 0);
730 	hns3_set_bit(req->vport_vlan_cfg, HNS3_ACCEPT_TAG2_B,
731 		     vcfg->accept_tag2 ? 1 : 0);
732 	hns3_set_bit(req->vport_vlan_cfg, HNS3_ACCEPT_UNTAG2_B,
733 		     vcfg->accept_untag2 ? 1 : 0);
734 	hns3_set_bit(req->vport_vlan_cfg, HNS3_PORT_INS_TAG1_EN_B,
735 		     vcfg->insert_tag1_en ? 1 : 0);
736 	hns3_set_bit(req->vport_vlan_cfg, HNS3_PORT_INS_TAG2_EN_B,
737 		     vcfg->insert_tag2_en ? 1 : 0);
738 	hns3_set_bit(req->vport_vlan_cfg, HNS3_CFG_NIC_ROCE_SEL_B, 0);
739 
740 	/* firmwall will ignore this configuration for PCI_REVISION_ID_HIP08 */
741 	hns3_set_bit(req->vport_vlan_cfg, HNS3_TAG_SHIFT_MODE_EN_B,
742 		     vcfg->tag_shift_mode_en ? 1 : 0);
743 
744 	/*
745 	 * In current version VF is not supported when PF is driven by DPDK
746 	 * driver, just need to configure parameters for PF vport.
747 	 */
748 	vport_id = HNS3_PF_FUNC_ID;
749 	req->vf_offset = vport_id / HNS3_VF_NUM_PER_CMD;
750 	bitmap = 1 << (vport_id % HNS3_VF_NUM_PER_BYTE);
751 	req->vf_bitmap[req->vf_offset] = bitmap;
752 
753 	ret = hns3_cmd_send(hw, &desc, 1);
754 	if (ret)
755 		hns3_err(hw, "Send port txvlan cfg command fail, ret =%d", ret);
756 
757 	return ret;
758 }
759 
760 static int
761 hns3_vlan_txvlan_cfg(struct hns3_adapter *hns, uint16_t port_base_vlan_state,
762 		     uint16_t pvid)
763 {
764 	struct hns3_hw *hw = &hns->hw;
765 	struct hns3_tx_vtag_cfg txvlan_cfg;
766 	int ret;
767 
768 	if (port_base_vlan_state == HNS3_PORT_BASE_VLAN_DISABLE) {
769 		txvlan_cfg.accept_tag1 = true;
770 		txvlan_cfg.insert_tag1_en = false;
771 		txvlan_cfg.default_tag1 = 0;
772 	} else {
773 		txvlan_cfg.accept_tag1 =
774 			hw->vlan_mode == HNS3_HW_SHIFT_AND_DISCARD_MODE;
775 		txvlan_cfg.insert_tag1_en = true;
776 		txvlan_cfg.default_tag1 = pvid;
777 	}
778 
779 	txvlan_cfg.accept_untag1 = true;
780 	txvlan_cfg.accept_tag2 = true;
781 	txvlan_cfg.accept_untag2 = true;
782 	txvlan_cfg.insert_tag2_en = false;
783 	txvlan_cfg.default_tag2 = 0;
784 	txvlan_cfg.tag_shift_mode_en = true;
785 
786 	ret = hns3_set_vlan_tx_offload_cfg(hns, &txvlan_cfg);
787 	if (ret) {
788 		hns3_err(hw, "pf vlan set pvid failed, pvid =%u ,ret =%d", pvid,
789 			 ret);
790 		return ret;
791 	}
792 
793 	hns3_update_tx_offload_cfg(hns, &txvlan_cfg);
794 	return ret;
795 }
796 
797 
798 static void
799 hns3_rm_all_vlan_table(struct hns3_adapter *hns, bool is_del_list)
800 {
801 	struct hns3_user_vlan_table *vlan_entry;
802 	struct hns3_pf *pf = &hns->pf;
803 
804 	LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
805 		if (vlan_entry->hd_tbl_status) {
806 			hns3_set_port_vlan_filter(hns, vlan_entry->vlan_id, 0);
807 			vlan_entry->hd_tbl_status = false;
808 		}
809 	}
810 
811 	if (is_del_list) {
812 		vlan_entry = LIST_FIRST(&pf->vlan_list);
813 		while (vlan_entry) {
814 			LIST_REMOVE(vlan_entry, next);
815 			rte_free(vlan_entry);
816 			vlan_entry = LIST_FIRST(&pf->vlan_list);
817 		}
818 	}
819 }
820 
821 static void
822 hns3_add_all_vlan_table(struct hns3_adapter *hns)
823 {
824 	struct hns3_user_vlan_table *vlan_entry;
825 	struct hns3_pf *pf = &hns->pf;
826 
827 	LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
828 		if (!vlan_entry->hd_tbl_status) {
829 			hns3_set_port_vlan_filter(hns, vlan_entry->vlan_id, 1);
830 			vlan_entry->hd_tbl_status = true;
831 		}
832 	}
833 }
834 
835 static void
836 hns3_remove_all_vlan_table(struct hns3_adapter *hns)
837 {
838 	struct hns3_hw *hw = &hns->hw;
839 	int ret;
840 
841 	hns3_rm_all_vlan_table(hns, true);
842 	if (hw->port_base_vlan_cfg.pvid != HNS3_INVALID_PVID) {
843 		ret = hns3_set_port_vlan_filter(hns,
844 						hw->port_base_vlan_cfg.pvid, 0);
845 		if (ret) {
846 			hns3_err(hw, "Failed to remove all vlan table, ret =%d",
847 				 ret);
848 			return;
849 		}
850 	}
851 }
852 
853 static int
854 hns3_update_vlan_filter_entries(struct hns3_adapter *hns,
855 			uint16_t port_base_vlan_state, uint16_t new_pvid)
856 {
857 	struct hns3_hw *hw = &hns->hw;
858 	uint16_t old_pvid;
859 	int ret;
860 
861 	if (port_base_vlan_state == HNS3_PORT_BASE_VLAN_ENABLE) {
862 		old_pvid = hw->port_base_vlan_cfg.pvid;
863 		if (old_pvid != HNS3_INVALID_PVID) {
864 			ret = hns3_set_port_vlan_filter(hns, old_pvid, 0);
865 			if (ret) {
866 				hns3_err(hw, "failed to remove old pvid %u, "
867 						"ret = %d", old_pvid, ret);
868 				return ret;
869 			}
870 		}
871 
872 		hns3_rm_all_vlan_table(hns, false);
873 		ret = hns3_set_port_vlan_filter(hns, new_pvid, 1);
874 		if (ret) {
875 			hns3_err(hw, "failed to add new pvid %u, ret = %d",
876 					new_pvid, ret);
877 			return ret;
878 		}
879 	} else {
880 		ret = hns3_set_port_vlan_filter(hns, new_pvid, 0);
881 		if (ret) {
882 			hns3_err(hw, "failed to remove pvid %u, ret = %d",
883 					new_pvid, ret);
884 			return ret;
885 		}
886 
887 		hns3_add_all_vlan_table(hns);
888 	}
889 	return 0;
890 }
891 
892 static int
893 hns3_en_pvid_strip(struct hns3_adapter *hns, int on)
894 {
895 	struct hns3_rx_vtag_cfg *old_cfg = &hns->pf.vtag_config.rx_vcfg;
896 	struct hns3_rx_vtag_cfg rx_vlan_cfg;
897 	bool rx_strip_en;
898 	int ret;
899 
900 	rx_strip_en = old_cfg->rx_vlan_offload_en;
901 	if (on) {
902 		rx_vlan_cfg.strip_tag1_en = rx_strip_en;
903 		rx_vlan_cfg.strip_tag2_en = true;
904 		rx_vlan_cfg.strip_tag2_discard_en = true;
905 	} else {
906 		rx_vlan_cfg.strip_tag1_en = false;
907 		rx_vlan_cfg.strip_tag2_en = rx_strip_en;
908 		rx_vlan_cfg.strip_tag2_discard_en = false;
909 	}
910 	rx_vlan_cfg.strip_tag1_discard_en = false;
911 	rx_vlan_cfg.vlan1_vlan_prionly = false;
912 	rx_vlan_cfg.vlan2_vlan_prionly = false;
913 	rx_vlan_cfg.rx_vlan_offload_en = old_cfg->rx_vlan_offload_en;
914 
915 	ret = hns3_set_vlan_rx_offload_cfg(hns, &rx_vlan_cfg);
916 	if (ret)
917 		return ret;
918 
919 	hns3_update_rx_offload_cfg(hns, &rx_vlan_cfg);
920 	return ret;
921 }
922 
923 static int
924 hns3_vlan_pvid_configure(struct hns3_adapter *hns, uint16_t pvid, int on)
925 {
926 	struct hns3_hw *hw = &hns->hw;
927 	uint16_t port_base_vlan_state;
928 	int ret;
929 
930 	if (on == 0 && pvid != hw->port_base_vlan_cfg.pvid) {
931 		if (hw->port_base_vlan_cfg.pvid != HNS3_INVALID_PVID)
932 			hns3_warn(hw, "Invalid operation! As current pvid set "
933 				  "is %u, disable pvid %u is invalid",
934 				  hw->port_base_vlan_cfg.pvid, pvid);
935 		return 0;
936 	}
937 
938 	port_base_vlan_state = on ? HNS3_PORT_BASE_VLAN_ENABLE :
939 				    HNS3_PORT_BASE_VLAN_DISABLE;
940 	ret = hns3_vlan_txvlan_cfg(hns, port_base_vlan_state, pvid);
941 	if (ret) {
942 		hns3_err(hw, "failed to config tx vlan for pvid, ret = %d",
943 			 ret);
944 		return ret;
945 	}
946 
947 	ret = hns3_en_pvid_strip(hns, on);
948 	if (ret) {
949 		hns3_err(hw, "failed to config rx vlan strip for pvid, "
950 			 "ret = %d", ret);
951 		return ret;
952 	}
953 
954 	if (pvid == HNS3_INVALID_PVID)
955 		goto out;
956 	ret = hns3_update_vlan_filter_entries(hns, port_base_vlan_state, pvid);
957 	if (ret) {
958 		hns3_err(hw, "failed to update vlan filter entries, ret = %d",
959 			 ret);
960 		return ret;
961 	}
962 
963 out:
964 	hw->port_base_vlan_cfg.state = port_base_vlan_state;
965 	hw->port_base_vlan_cfg.pvid = on ? pvid : HNS3_INVALID_PVID;
966 	return ret;
967 }
968 
969 static int
970 hns3_vlan_pvid_set(struct rte_eth_dev *dev, uint16_t pvid, int on)
971 {
972 	struct hns3_adapter *hns = dev->data->dev_private;
973 	struct hns3_hw *hw = &hns->hw;
974 	bool pvid_en_state_change;
975 	uint16_t pvid_state;
976 	int ret;
977 
978 	if (pvid > RTE_ETHER_MAX_VLAN_ID) {
979 		hns3_err(hw, "Invalid vlan_id = %u > %d", pvid,
980 			 RTE_ETHER_MAX_VLAN_ID);
981 		return -EINVAL;
982 	}
983 
984 	/*
985 	 * If PVID configuration state change, should refresh the PVID
986 	 * configuration state in struct hns3_tx_queue/hns3_rx_queue.
987 	 */
988 	pvid_state = hw->port_base_vlan_cfg.state;
989 	if ((on && pvid_state == HNS3_PORT_BASE_VLAN_ENABLE) ||
990 	    (!on && pvid_state == HNS3_PORT_BASE_VLAN_DISABLE))
991 		pvid_en_state_change = false;
992 	else
993 		pvid_en_state_change = true;
994 
995 	rte_spinlock_lock(&hw->lock);
996 	ret = hns3_vlan_pvid_configure(hns, pvid, on);
997 	rte_spinlock_unlock(&hw->lock);
998 	if (ret)
999 		return ret;
1000 	/*
1001 	 * Only in HNS3_SW_SHIFT_AND_MODE the PVID related operation in Tx/Rx
1002 	 * need be processed by PMD driver.
1003 	 */
1004 	if (pvid_en_state_change &&
1005 	    hw->vlan_mode == HNS3_SW_SHIFT_AND_DISCARD_MODE)
1006 		hns3_update_all_queues_pvid_proc_en(hw);
1007 
1008 	return 0;
1009 }
1010 
1011 static int
1012 hns3_default_vlan_config(struct hns3_adapter *hns)
1013 {
1014 	struct hns3_hw *hw = &hns->hw;
1015 	int ret;
1016 
1017 	/*
1018 	 * When vlan filter is enabled, hardware regards packets without vlan
1019 	 * as packets with vlan 0. Therefore, if vlan 0 is not in the vlan
1020 	 * table, packets without vlan won't be received. So, add vlan 0 as
1021 	 * the default vlan.
1022 	 */
1023 	ret = hns3_vlan_filter_configure(hns, 0, 1);
1024 	if (ret)
1025 		hns3_err(hw, "default vlan 0 config failed, ret =%d", ret);
1026 	return ret;
1027 }
1028 
1029 static int
1030 hns3_init_vlan_config(struct hns3_adapter *hns)
1031 {
1032 	struct hns3_hw *hw = &hns->hw;
1033 	int ret;
1034 
1035 	/*
1036 	 * This function can be called in the initialization and reset process,
1037 	 * when in reset process, it means that hardware had been reseted
1038 	 * successfully and we need to restore the hardware configuration to
1039 	 * ensure that the hardware configuration remains unchanged before and
1040 	 * after reset.
1041 	 */
1042 	if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED) == 0) {
1043 		hw->port_base_vlan_cfg.state = HNS3_PORT_BASE_VLAN_DISABLE;
1044 		hw->port_base_vlan_cfg.pvid = HNS3_INVALID_PVID;
1045 	}
1046 
1047 	ret = hns3_vlan_filter_init(hns);
1048 	if (ret) {
1049 		hns3_err(hw, "vlan init fail in pf, ret =%d", ret);
1050 		return ret;
1051 	}
1052 
1053 	ret = hns3_vlan_tpid_configure(hns, ETH_VLAN_TYPE_INNER,
1054 				       RTE_ETHER_TYPE_VLAN);
1055 	if (ret) {
1056 		hns3_err(hw, "tpid set fail in pf, ret =%d", ret);
1057 		return ret;
1058 	}
1059 
1060 	/*
1061 	 * When in the reinit dev stage of the reset process, the following
1062 	 * vlan-related configurations may differ from those at initialization,
1063 	 * we will restore configurations to hardware in hns3_restore_vlan_table
1064 	 * and hns3_restore_vlan_conf later.
1065 	 */
1066 	if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED) == 0) {
1067 		ret = hns3_vlan_pvid_configure(hns, HNS3_INVALID_PVID, 0);
1068 		if (ret) {
1069 			hns3_err(hw, "pvid set fail in pf, ret =%d", ret);
1070 			return ret;
1071 		}
1072 
1073 		ret = hns3_en_hw_strip_rxvtag(hns, false);
1074 		if (ret) {
1075 			hns3_err(hw, "rx strip configure fail in pf, ret =%d",
1076 				 ret);
1077 			return ret;
1078 		}
1079 	}
1080 
1081 	return hns3_default_vlan_config(hns);
1082 }
1083 
1084 static int
1085 hns3_restore_vlan_conf(struct hns3_adapter *hns)
1086 {
1087 	struct hns3_pf *pf = &hns->pf;
1088 	struct hns3_hw *hw = &hns->hw;
1089 	uint64_t offloads;
1090 	bool enable;
1091 	int ret;
1092 
1093 	if (!hw->data->promiscuous) {
1094 		/* restore vlan filter states */
1095 		offloads = hw->data->dev_conf.rxmode.offloads;
1096 		enable = offloads & DEV_RX_OFFLOAD_VLAN_FILTER ? true : false;
1097 		ret = hns3_enable_vlan_filter(hns, enable);
1098 		if (ret) {
1099 			hns3_err(hw, "failed to restore vlan rx filter conf, "
1100 				 "ret = %d", ret);
1101 			return ret;
1102 		}
1103 	}
1104 
1105 	ret = hns3_set_vlan_rx_offload_cfg(hns, &pf->vtag_config.rx_vcfg);
1106 	if (ret) {
1107 		hns3_err(hw, "failed to restore vlan rx conf, ret = %d", ret);
1108 		return ret;
1109 	}
1110 
1111 	ret = hns3_set_vlan_tx_offload_cfg(hns, &pf->vtag_config.tx_vcfg);
1112 	if (ret)
1113 		hns3_err(hw, "failed to restore vlan tx conf, ret = %d", ret);
1114 
1115 	return ret;
1116 }
1117 
1118 static int
1119 hns3_dev_configure_vlan(struct rte_eth_dev *dev)
1120 {
1121 	struct hns3_adapter *hns = dev->data->dev_private;
1122 	struct rte_eth_dev_data *data = dev->data;
1123 	struct rte_eth_txmode *txmode;
1124 	struct hns3_hw *hw = &hns->hw;
1125 	int mask;
1126 	int ret;
1127 
1128 	txmode = &data->dev_conf.txmode;
1129 	if (txmode->hw_vlan_reject_tagged || txmode->hw_vlan_reject_untagged)
1130 		hns3_warn(hw,
1131 			  "hw_vlan_reject_tagged or hw_vlan_reject_untagged "
1132 			  "configuration is not supported! Ignore these two "
1133 			  "parameters: hw_vlan_reject_tagged(%u), "
1134 			  "hw_vlan_reject_untagged(%u)",
1135 			  txmode->hw_vlan_reject_tagged,
1136 			  txmode->hw_vlan_reject_untagged);
1137 
1138 	/* Apply vlan offload setting */
1139 	mask = ETH_VLAN_STRIP_MASK | ETH_VLAN_FILTER_MASK;
1140 	ret = hns3_vlan_offload_set(dev, mask);
1141 	if (ret) {
1142 		hns3_err(hw, "dev config rx vlan offload failed, ret = %d",
1143 			 ret);
1144 		return ret;
1145 	}
1146 
1147 	/*
1148 	 * If pvid config is not set in rte_eth_conf, driver needn't to set
1149 	 * VLAN pvid related configuration to hardware.
1150 	 */
1151 	if (txmode->pvid == 0 && txmode->hw_vlan_insert_pvid == 0)
1152 		return 0;
1153 
1154 	/* Apply pvid setting */
1155 	ret = hns3_vlan_pvid_set(dev, txmode->pvid,
1156 				 txmode->hw_vlan_insert_pvid);
1157 	if (ret)
1158 		hns3_err(hw, "dev config vlan pvid(%u) failed, ret = %d",
1159 			 txmode->pvid, ret);
1160 
1161 	return ret;
1162 }
1163 
1164 static int
1165 hns3_config_tso(struct hns3_hw *hw, unsigned int tso_mss_min,
1166 		unsigned int tso_mss_max)
1167 {
1168 	struct hns3_cfg_tso_status_cmd *req;
1169 	struct hns3_cmd_desc desc;
1170 	uint16_t tso_mss;
1171 
1172 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_TSO_GENERIC_CONFIG, false);
1173 
1174 	req = (struct hns3_cfg_tso_status_cmd *)desc.data;
1175 
1176 	tso_mss = 0;
1177 	hns3_set_field(tso_mss, HNS3_TSO_MSS_MIN_M, HNS3_TSO_MSS_MIN_S,
1178 		       tso_mss_min);
1179 	req->tso_mss_min = rte_cpu_to_le_16(tso_mss);
1180 
1181 	tso_mss = 0;
1182 	hns3_set_field(tso_mss, HNS3_TSO_MSS_MIN_M, HNS3_TSO_MSS_MIN_S,
1183 		       tso_mss_max);
1184 	req->tso_mss_max = rte_cpu_to_le_16(tso_mss);
1185 
1186 	return hns3_cmd_send(hw, &desc, 1);
1187 }
1188 
1189 static int
1190 hns3_set_umv_space(struct hns3_hw *hw, uint16_t space_size,
1191 		   uint16_t *allocated_size, bool is_alloc)
1192 {
1193 	struct hns3_umv_spc_alc_cmd *req;
1194 	struct hns3_cmd_desc desc;
1195 	int ret;
1196 
1197 	req = (struct hns3_umv_spc_alc_cmd *)desc.data;
1198 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_ALLOCATE, false);
1199 	hns3_set_bit(req->allocate, HNS3_UMV_SPC_ALC_B, is_alloc ? 0 : 1);
1200 	req->space_size = rte_cpu_to_le_32(space_size);
1201 
1202 	ret = hns3_cmd_send(hw, &desc, 1);
1203 	if (ret) {
1204 		PMD_INIT_LOG(ERR, "%s umv space failed for cmd_send, ret =%d",
1205 			     is_alloc ? "allocate" : "free", ret);
1206 		return ret;
1207 	}
1208 
1209 	if (is_alloc && allocated_size)
1210 		*allocated_size = rte_le_to_cpu_32(desc.data[1]);
1211 
1212 	return 0;
1213 }
1214 
1215 static int
1216 hns3_init_umv_space(struct hns3_hw *hw)
1217 {
1218 	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
1219 	struct hns3_pf *pf = &hns->pf;
1220 	uint16_t allocated_size = 0;
1221 	int ret;
1222 
1223 	ret = hns3_set_umv_space(hw, pf->wanted_umv_size, &allocated_size,
1224 				 true);
1225 	if (ret)
1226 		return ret;
1227 
1228 	if (allocated_size < pf->wanted_umv_size)
1229 		PMD_INIT_LOG(WARNING, "Alloc umv space failed, want %u, get %u",
1230 			     pf->wanted_umv_size, allocated_size);
1231 
1232 	pf->max_umv_size = (!!allocated_size) ? allocated_size :
1233 						pf->wanted_umv_size;
1234 	pf->used_umv_size = 0;
1235 	return 0;
1236 }
1237 
1238 static int
1239 hns3_uninit_umv_space(struct hns3_hw *hw)
1240 {
1241 	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
1242 	struct hns3_pf *pf = &hns->pf;
1243 	int ret;
1244 
1245 	if (pf->max_umv_size == 0)
1246 		return 0;
1247 
1248 	ret = hns3_set_umv_space(hw, pf->max_umv_size, NULL, false);
1249 	if (ret)
1250 		return ret;
1251 
1252 	pf->max_umv_size = 0;
1253 
1254 	return 0;
1255 }
1256 
1257 static bool
1258 hns3_is_umv_space_full(struct hns3_hw *hw)
1259 {
1260 	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
1261 	struct hns3_pf *pf = &hns->pf;
1262 	bool is_full;
1263 
1264 	is_full = (pf->used_umv_size >= pf->max_umv_size);
1265 
1266 	return is_full;
1267 }
1268 
1269 static void
1270 hns3_update_umv_space(struct hns3_hw *hw, bool is_free)
1271 {
1272 	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
1273 	struct hns3_pf *pf = &hns->pf;
1274 
1275 	if (is_free) {
1276 		if (pf->used_umv_size > 0)
1277 			pf->used_umv_size--;
1278 	} else
1279 		pf->used_umv_size++;
1280 }
1281 
1282 static void
1283 hns3_prepare_mac_addr(struct hns3_mac_vlan_tbl_entry_cmd *new_req,
1284 		      const uint8_t *addr, bool is_mc)
1285 {
1286 	const unsigned char *mac_addr = addr;
1287 	uint32_t high_val = ((uint32_t)mac_addr[3] << 24) |
1288 			    ((uint32_t)mac_addr[2] << 16) |
1289 			    ((uint32_t)mac_addr[1] << 8) |
1290 			    (uint32_t)mac_addr[0];
1291 	uint32_t low_val = ((uint32_t)mac_addr[5] << 8) | (uint32_t)mac_addr[4];
1292 
1293 	hns3_set_bit(new_req->flags, HNS3_MAC_VLAN_BIT0_EN_B, 1);
1294 	if (is_mc) {
1295 		hns3_set_bit(new_req->entry_type, HNS3_MAC_VLAN_BIT0_EN_B, 0);
1296 		hns3_set_bit(new_req->entry_type, HNS3_MAC_VLAN_BIT1_EN_B, 1);
1297 		hns3_set_bit(new_req->mc_mac_en, HNS3_MAC_VLAN_BIT0_EN_B, 1);
1298 	}
1299 
1300 	new_req->mac_addr_hi32 = rte_cpu_to_le_32(high_val);
1301 	new_req->mac_addr_lo16 = rte_cpu_to_le_16(low_val & 0xffff);
1302 }
1303 
1304 static int
1305 hns3_get_mac_vlan_cmd_status(struct hns3_hw *hw, uint16_t cmdq_resp,
1306 			     uint8_t resp_code,
1307 			     enum hns3_mac_vlan_tbl_opcode op)
1308 {
1309 	if (cmdq_resp) {
1310 		hns3_err(hw, "cmdq execute failed for get_mac_vlan_cmd_status,status=%u",
1311 			 cmdq_resp);
1312 		return -EIO;
1313 	}
1314 
1315 	if (op == HNS3_MAC_VLAN_ADD) {
1316 		if (resp_code == 0 || resp_code == 1) {
1317 			return 0;
1318 		} else if (resp_code == HNS3_ADD_UC_OVERFLOW) {
1319 			hns3_err(hw, "add mac addr failed for uc_overflow");
1320 			return -ENOSPC;
1321 		} else if (resp_code == HNS3_ADD_MC_OVERFLOW) {
1322 			hns3_err(hw, "add mac addr failed for mc_overflow");
1323 			return -ENOSPC;
1324 		}
1325 
1326 		hns3_err(hw, "add mac addr failed for undefined, code=%u",
1327 			 resp_code);
1328 		return -EIO;
1329 	} else if (op == HNS3_MAC_VLAN_REMOVE) {
1330 		if (resp_code == 0) {
1331 			return 0;
1332 		} else if (resp_code == 1) {
1333 			hns3_dbg(hw, "remove mac addr failed for miss");
1334 			return -ENOENT;
1335 		}
1336 
1337 		hns3_err(hw, "remove mac addr failed for undefined, code=%u",
1338 			 resp_code);
1339 		return -EIO;
1340 	} else if (op == HNS3_MAC_VLAN_LKUP) {
1341 		if (resp_code == 0) {
1342 			return 0;
1343 		} else if (resp_code == 1) {
1344 			hns3_dbg(hw, "lookup mac addr failed for miss");
1345 			return -ENOENT;
1346 		}
1347 
1348 		hns3_err(hw, "lookup mac addr failed for undefined, code=%u",
1349 			 resp_code);
1350 		return -EIO;
1351 	}
1352 
1353 	hns3_err(hw, "unknown opcode for get_mac_vlan_cmd_status, opcode=%u",
1354 		 op);
1355 
1356 	return -EINVAL;
1357 }
1358 
1359 static int
1360 hns3_lookup_mac_vlan_tbl(struct hns3_hw *hw,
1361 			 struct hns3_mac_vlan_tbl_entry_cmd *req,
1362 			 struct hns3_cmd_desc *desc, bool is_mc)
1363 {
1364 	uint8_t resp_code;
1365 	uint16_t retval;
1366 	int ret;
1367 
1368 	hns3_cmd_setup_basic_desc(&desc[0], HNS3_OPC_MAC_VLAN_ADD, true);
1369 	if (is_mc) {
1370 		desc[0].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
1371 		memcpy(desc[0].data, req,
1372 			   sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
1373 		hns3_cmd_setup_basic_desc(&desc[1], HNS3_OPC_MAC_VLAN_ADD,
1374 					  true);
1375 		desc[1].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
1376 		hns3_cmd_setup_basic_desc(&desc[2], HNS3_OPC_MAC_VLAN_ADD,
1377 					  true);
1378 		ret = hns3_cmd_send(hw, desc, HNS3_MC_MAC_VLAN_ADD_DESC_NUM);
1379 	} else {
1380 		memcpy(desc[0].data, req,
1381 		       sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
1382 		ret = hns3_cmd_send(hw, desc, 1);
1383 	}
1384 	if (ret) {
1385 		hns3_err(hw, "lookup mac addr failed for cmd_send, ret =%d.",
1386 			 ret);
1387 		return ret;
1388 	}
1389 	resp_code = (rte_le_to_cpu_32(desc[0].data[0]) >> 8) & 0xff;
1390 	retval = rte_le_to_cpu_16(desc[0].retval);
1391 
1392 	return hns3_get_mac_vlan_cmd_status(hw, retval, resp_code,
1393 					    HNS3_MAC_VLAN_LKUP);
1394 }
1395 
1396 static int
1397 hns3_add_mac_vlan_tbl(struct hns3_hw *hw,
1398 		      struct hns3_mac_vlan_tbl_entry_cmd *req,
1399 		      struct hns3_cmd_desc *mc_desc)
1400 {
1401 	uint8_t resp_code;
1402 	uint16_t retval;
1403 	int cfg_status;
1404 	int ret;
1405 
1406 	if (mc_desc == NULL) {
1407 		struct hns3_cmd_desc desc;
1408 
1409 		hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_ADD, false);
1410 		memcpy(desc.data, req,
1411 		       sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
1412 		ret = hns3_cmd_send(hw, &desc, 1);
1413 		resp_code = (rte_le_to_cpu_32(desc.data[0]) >> 8) & 0xff;
1414 		retval = rte_le_to_cpu_16(desc.retval);
1415 
1416 		cfg_status = hns3_get_mac_vlan_cmd_status(hw, retval, resp_code,
1417 							  HNS3_MAC_VLAN_ADD);
1418 	} else {
1419 		hns3_cmd_reuse_desc(&mc_desc[0], false);
1420 		mc_desc[0].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
1421 		hns3_cmd_reuse_desc(&mc_desc[1], false);
1422 		mc_desc[1].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
1423 		hns3_cmd_reuse_desc(&mc_desc[2], false);
1424 		mc_desc[2].flag &= rte_cpu_to_le_16(~HNS3_CMD_FLAG_NEXT);
1425 		memcpy(mc_desc[0].data, req,
1426 		       sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
1427 		mc_desc[0].retval = 0;
1428 		ret = hns3_cmd_send(hw, mc_desc, HNS3_MC_MAC_VLAN_ADD_DESC_NUM);
1429 		resp_code = (rte_le_to_cpu_32(mc_desc[0].data[0]) >> 8) & 0xff;
1430 		retval = rte_le_to_cpu_16(mc_desc[0].retval);
1431 
1432 		cfg_status = hns3_get_mac_vlan_cmd_status(hw, retval, resp_code,
1433 							  HNS3_MAC_VLAN_ADD);
1434 	}
1435 
1436 	if (ret) {
1437 		hns3_err(hw, "add mac addr failed for cmd_send, ret =%d", ret);
1438 		return ret;
1439 	}
1440 
1441 	return cfg_status;
1442 }
1443 
1444 static int
1445 hns3_remove_mac_vlan_tbl(struct hns3_hw *hw,
1446 			 struct hns3_mac_vlan_tbl_entry_cmd *req)
1447 {
1448 	struct hns3_cmd_desc desc;
1449 	uint8_t resp_code;
1450 	uint16_t retval;
1451 	int ret;
1452 
1453 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_REMOVE, false);
1454 
1455 	memcpy(desc.data, req, sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
1456 
1457 	ret = hns3_cmd_send(hw, &desc, 1);
1458 	if (ret) {
1459 		hns3_err(hw, "del mac addr failed for cmd_send, ret =%d", ret);
1460 		return ret;
1461 	}
1462 	resp_code = (rte_le_to_cpu_32(desc.data[0]) >> 8) & 0xff;
1463 	retval = rte_le_to_cpu_16(desc.retval);
1464 
1465 	return hns3_get_mac_vlan_cmd_status(hw, retval, resp_code,
1466 					    HNS3_MAC_VLAN_REMOVE);
1467 }
1468 
1469 static int
1470 hns3_add_uc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1471 {
1472 	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
1473 	struct hns3_mac_vlan_tbl_entry_cmd req;
1474 	struct hns3_pf *pf = &hns->pf;
1475 	struct hns3_cmd_desc desc[3];
1476 	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1477 	uint16_t egress_port = 0;
1478 	uint8_t vf_id;
1479 	int ret;
1480 
1481 	/* check if mac addr is valid */
1482 	if (!rte_is_valid_assigned_ether_addr(mac_addr)) {
1483 		hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1484 				      mac_addr);
1485 		hns3_err(hw, "Add unicast mac addr err! addr(%s) invalid",
1486 			 mac_str);
1487 		return -EINVAL;
1488 	}
1489 
1490 	memset(&req, 0, sizeof(req));
1491 
1492 	/*
1493 	 * In current version VF is not supported when PF is driven by DPDK
1494 	 * driver, just need to configure parameters for PF vport.
1495 	 */
1496 	vf_id = HNS3_PF_FUNC_ID;
1497 	hns3_set_field(egress_port, HNS3_MAC_EPORT_VFID_M,
1498 		       HNS3_MAC_EPORT_VFID_S, vf_id);
1499 
1500 	req.egress_port = rte_cpu_to_le_16(egress_port);
1501 
1502 	hns3_prepare_mac_addr(&req, mac_addr->addr_bytes, false);
1503 
1504 	/*
1505 	 * Lookup the mac address in the mac_vlan table, and add
1506 	 * it if the entry is inexistent. Repeated unicast entry
1507 	 * is not allowed in the mac vlan table.
1508 	 */
1509 	ret = hns3_lookup_mac_vlan_tbl(hw, &req, desc, false);
1510 	if (ret == -ENOENT) {
1511 		if (!hns3_is_umv_space_full(hw)) {
1512 			ret = hns3_add_mac_vlan_tbl(hw, &req, NULL);
1513 			if (!ret)
1514 				hns3_update_umv_space(hw, false);
1515 			return ret;
1516 		}
1517 
1518 		hns3_err(hw, "UC MAC table full(%u)", pf->used_umv_size);
1519 
1520 		return -ENOSPC;
1521 	}
1522 
1523 	hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, mac_addr);
1524 
1525 	/* check if we just hit the duplicate */
1526 	if (ret == 0) {
1527 		hns3_dbg(hw, "mac addr(%s) has been in the MAC table", mac_str);
1528 		return 0;
1529 	}
1530 
1531 	hns3_err(hw, "PF failed to add unicast entry(%s) in the MAC table",
1532 		 mac_str);
1533 
1534 	return ret;
1535 }
1536 
1537 static int
1538 hns3_add_mc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1539 {
1540 	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1541 	struct rte_ether_addr *addr;
1542 	int ret;
1543 	int i;
1544 
1545 	for (i = 0; i < hw->mc_addrs_num; i++) {
1546 		addr = &hw->mc_addrs[i];
1547 		/* Check if there are duplicate addresses */
1548 		if (rte_is_same_ether_addr(addr, mac_addr)) {
1549 			hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1550 					      addr);
1551 			hns3_err(hw, "failed to add mc mac addr, same addrs"
1552 				 "(%s) is added by the set_mc_mac_addr_list "
1553 				 "API", mac_str);
1554 			return -EINVAL;
1555 		}
1556 	}
1557 
1558 	ret = hns3_add_mc_addr(hw, mac_addr);
1559 	if (ret) {
1560 		hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1561 				      mac_addr);
1562 		hns3_err(hw, "failed to add mc mac addr(%s), ret = %d",
1563 			 mac_str, ret);
1564 	}
1565 	return ret;
1566 }
1567 
1568 static int
1569 hns3_remove_mc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1570 {
1571 	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1572 	int ret;
1573 
1574 	ret = hns3_remove_mc_addr(hw, mac_addr);
1575 	if (ret) {
1576 		hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1577 				      mac_addr);
1578 		hns3_err(hw, "failed to remove mc mac addr(%s), ret = %d",
1579 			 mac_str, ret);
1580 	}
1581 	return ret;
1582 }
1583 
1584 static int
1585 hns3_add_mac_addr(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr,
1586 		  uint32_t idx, __rte_unused uint32_t pool)
1587 {
1588 	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1589 	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1590 	int ret;
1591 
1592 	rte_spinlock_lock(&hw->lock);
1593 
1594 	/*
1595 	 * In hns3 network engine adding UC and MC mac address with different
1596 	 * commands with firmware. We need to determine whether the input
1597 	 * address is a UC or a MC address to call different commands.
1598 	 * By the way, it is recommended calling the API function named
1599 	 * rte_eth_dev_set_mc_addr_list to set the MC mac address, because
1600 	 * using the rte_eth_dev_mac_addr_add API function to set MC mac address
1601 	 * may affect the specifications of UC mac addresses.
1602 	 */
1603 	if (rte_is_multicast_ether_addr(mac_addr))
1604 		ret = hns3_add_mc_addr_common(hw, mac_addr);
1605 	else
1606 		ret = hns3_add_uc_addr_common(hw, mac_addr);
1607 
1608 	if (ret) {
1609 		rte_spinlock_unlock(&hw->lock);
1610 		hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1611 				      mac_addr);
1612 		hns3_err(hw, "failed to add mac addr(%s), ret = %d", mac_str,
1613 			 ret);
1614 		return ret;
1615 	}
1616 
1617 	if (idx == 0)
1618 		hw->mac.default_addr_setted = true;
1619 	rte_spinlock_unlock(&hw->lock);
1620 
1621 	return ret;
1622 }
1623 
1624 static int
1625 hns3_remove_uc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1626 {
1627 	struct hns3_mac_vlan_tbl_entry_cmd req;
1628 	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1629 	int ret;
1630 
1631 	/* check if mac addr is valid */
1632 	if (!rte_is_valid_assigned_ether_addr(mac_addr)) {
1633 		hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1634 				      mac_addr);
1635 		hns3_err(hw, "remove unicast mac addr err! addr(%s) invalid",
1636 			 mac_str);
1637 		return -EINVAL;
1638 	}
1639 
1640 	memset(&req, 0, sizeof(req));
1641 	hns3_set_bit(req.entry_type, HNS3_MAC_VLAN_BIT0_EN_B, 0);
1642 	hns3_prepare_mac_addr(&req, mac_addr->addr_bytes, false);
1643 	ret = hns3_remove_mac_vlan_tbl(hw, &req);
1644 	if (ret == -ENOENT) /* mac addr isn't existent in the mac vlan table. */
1645 		return 0;
1646 	else if (ret == 0)
1647 		hns3_update_umv_space(hw, true);
1648 
1649 	return ret;
1650 }
1651 
1652 static void
1653 hns3_remove_mac_addr(struct rte_eth_dev *dev, uint32_t idx)
1654 {
1655 	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1656 	/* index will be checked by upper level rte interface */
1657 	struct rte_ether_addr *mac_addr = &dev->data->mac_addrs[idx];
1658 	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1659 	int ret;
1660 
1661 	rte_spinlock_lock(&hw->lock);
1662 
1663 	if (rte_is_multicast_ether_addr(mac_addr))
1664 		ret = hns3_remove_mc_addr_common(hw, mac_addr);
1665 	else
1666 		ret = hns3_remove_uc_addr_common(hw, mac_addr);
1667 	rte_spinlock_unlock(&hw->lock);
1668 	if (ret) {
1669 		hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1670 				      mac_addr);
1671 		hns3_err(hw, "failed to remove mac addr(%s), ret = %d", mac_str,
1672 			 ret);
1673 	}
1674 }
1675 
1676 static int
1677 hns3_set_default_mac_addr(struct rte_eth_dev *dev,
1678 			  struct rte_ether_addr *mac_addr)
1679 {
1680 	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1681 	struct rte_ether_addr *oaddr;
1682 	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1683 	bool default_addr_setted;
1684 	bool rm_succes = false;
1685 	int ret, ret_val;
1686 
1687 	/*
1688 	 * It has been guaranteed that input parameter named mac_addr is valid
1689 	 * address in the rte layer of DPDK framework.
1690 	 */
1691 	oaddr = (struct rte_ether_addr *)hw->mac.mac_addr;
1692 	default_addr_setted = hw->mac.default_addr_setted;
1693 	if (default_addr_setted && !!rte_is_same_ether_addr(mac_addr, oaddr))
1694 		return 0;
1695 
1696 	rte_spinlock_lock(&hw->lock);
1697 	if (default_addr_setted) {
1698 		ret = hns3_remove_uc_addr_common(hw, oaddr);
1699 		if (ret) {
1700 			hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1701 					      oaddr);
1702 			hns3_warn(hw, "Remove old uc mac address(%s) fail: %d",
1703 				  mac_str, ret);
1704 			rm_succes = false;
1705 		} else
1706 			rm_succes = true;
1707 	}
1708 
1709 	ret = hns3_add_uc_addr_common(hw, mac_addr);
1710 	if (ret) {
1711 		hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1712 				      mac_addr);
1713 		hns3_err(hw, "Failed to set mac addr(%s): %d", mac_str, ret);
1714 		goto err_add_uc_addr;
1715 	}
1716 
1717 	ret = hns3_pause_addr_cfg(hw, mac_addr->addr_bytes);
1718 	if (ret) {
1719 		hns3_err(hw, "Failed to configure mac pause address: %d", ret);
1720 		goto err_pause_addr_cfg;
1721 	}
1722 
1723 	rte_ether_addr_copy(mac_addr,
1724 			    (struct rte_ether_addr *)hw->mac.mac_addr);
1725 	hw->mac.default_addr_setted = true;
1726 	rte_spinlock_unlock(&hw->lock);
1727 
1728 	return 0;
1729 
1730 err_pause_addr_cfg:
1731 	ret_val = hns3_remove_uc_addr_common(hw, mac_addr);
1732 	if (ret_val) {
1733 		hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1734 				      mac_addr);
1735 		hns3_warn(hw,
1736 			  "Failed to roll back to del setted mac addr(%s): %d",
1737 			  mac_str, ret_val);
1738 	}
1739 
1740 err_add_uc_addr:
1741 	if (rm_succes) {
1742 		ret_val = hns3_add_uc_addr_common(hw, oaddr);
1743 		if (ret_val) {
1744 			hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1745 					      oaddr);
1746 			hns3_warn(hw,
1747 				  "Failed to restore old uc mac addr(%s): %d",
1748 				  mac_str, ret_val);
1749 			hw->mac.default_addr_setted = false;
1750 		}
1751 	}
1752 	rte_spinlock_unlock(&hw->lock);
1753 
1754 	return ret;
1755 }
1756 
1757 static int
1758 hns3_configure_all_mac_addr(struct hns3_adapter *hns, bool del)
1759 {
1760 	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1761 	struct hns3_hw *hw = &hns->hw;
1762 	struct rte_ether_addr *addr;
1763 	int err = 0;
1764 	int ret;
1765 	int i;
1766 
1767 	for (i = 0; i < HNS3_UC_MACADDR_NUM; i++) {
1768 		addr = &hw->data->mac_addrs[i];
1769 		if (rte_is_zero_ether_addr(addr))
1770 			continue;
1771 		if (rte_is_multicast_ether_addr(addr))
1772 			ret = del ? hns3_remove_mc_addr(hw, addr) :
1773 			      hns3_add_mc_addr(hw, addr);
1774 		else
1775 			ret = del ? hns3_remove_uc_addr_common(hw, addr) :
1776 			      hns3_add_uc_addr_common(hw, addr);
1777 
1778 		if (ret) {
1779 			err = ret;
1780 			hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1781 					      addr);
1782 			hns3_err(hw, "failed to %s mac addr(%s) index:%d "
1783 				 "ret = %d.", del ? "remove" : "restore",
1784 				 mac_str, i, ret);
1785 		}
1786 	}
1787 	return err;
1788 }
1789 
1790 static void
1791 hns3_update_desc_vfid(struct hns3_cmd_desc *desc, uint8_t vfid, bool clr)
1792 {
1793 #define HNS3_VF_NUM_IN_FIRST_DESC 192
1794 	uint8_t word_num;
1795 	uint8_t bit_num;
1796 
1797 	if (vfid < HNS3_VF_NUM_IN_FIRST_DESC) {
1798 		word_num = vfid / 32;
1799 		bit_num = vfid % 32;
1800 		if (clr)
1801 			desc[1].data[word_num] &=
1802 			    rte_cpu_to_le_32(~(1UL << bit_num));
1803 		else
1804 			desc[1].data[word_num] |=
1805 			    rte_cpu_to_le_32(1UL << bit_num);
1806 	} else {
1807 		word_num = (vfid - HNS3_VF_NUM_IN_FIRST_DESC) / 32;
1808 		bit_num = vfid % 32;
1809 		if (clr)
1810 			desc[2].data[word_num] &=
1811 			    rte_cpu_to_le_32(~(1UL << bit_num));
1812 		else
1813 			desc[2].data[word_num] |=
1814 			    rte_cpu_to_le_32(1UL << bit_num);
1815 	}
1816 }
1817 
1818 static int
1819 hns3_add_mc_addr(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1820 {
1821 	struct hns3_mac_vlan_tbl_entry_cmd req;
1822 	struct hns3_cmd_desc desc[3];
1823 	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1824 	uint8_t vf_id;
1825 	int ret;
1826 
1827 	/* Check if mac addr is valid */
1828 	if (!rte_is_multicast_ether_addr(mac_addr)) {
1829 		hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1830 				      mac_addr);
1831 		hns3_err(hw, "failed to add mc mac addr, addr(%s) invalid",
1832 			 mac_str);
1833 		return -EINVAL;
1834 	}
1835 
1836 	memset(&req, 0, sizeof(req));
1837 	hns3_set_bit(req.entry_type, HNS3_MAC_VLAN_BIT0_EN_B, 0);
1838 	hns3_prepare_mac_addr(&req, mac_addr->addr_bytes, true);
1839 	ret = hns3_lookup_mac_vlan_tbl(hw, &req, desc, true);
1840 	if (ret) {
1841 		/* This mac addr do not exist, add new entry for it */
1842 		memset(desc[0].data, 0, sizeof(desc[0].data));
1843 		memset(desc[1].data, 0, sizeof(desc[0].data));
1844 		memset(desc[2].data, 0, sizeof(desc[0].data));
1845 	}
1846 
1847 	/*
1848 	 * In current version VF is not supported when PF is driven by DPDK
1849 	 * driver, just need to configure parameters for PF vport.
1850 	 */
1851 	vf_id = HNS3_PF_FUNC_ID;
1852 	hns3_update_desc_vfid(desc, vf_id, false);
1853 	ret = hns3_add_mac_vlan_tbl(hw, &req, desc);
1854 	if (ret) {
1855 		if (ret == -ENOSPC)
1856 			hns3_err(hw, "mc mac vlan table is full");
1857 		hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1858 				      mac_addr);
1859 		hns3_err(hw, "failed to add mc mac addr(%s): %d", mac_str, ret);
1860 	}
1861 
1862 	return ret;
1863 }
1864 
1865 static int
1866 hns3_remove_mc_addr(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1867 {
1868 	struct hns3_mac_vlan_tbl_entry_cmd req;
1869 	struct hns3_cmd_desc desc[3];
1870 	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1871 	uint8_t vf_id;
1872 	int ret;
1873 
1874 	/* Check if mac addr is valid */
1875 	if (!rte_is_multicast_ether_addr(mac_addr)) {
1876 		hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1877 				      mac_addr);
1878 		hns3_err(hw, "Failed to rm mc mac addr, addr(%s) invalid",
1879 			 mac_str);
1880 		return -EINVAL;
1881 	}
1882 
1883 	memset(&req, 0, sizeof(req));
1884 	hns3_set_bit(req.entry_type, HNS3_MAC_VLAN_BIT0_EN_B, 0);
1885 	hns3_prepare_mac_addr(&req, mac_addr->addr_bytes, true);
1886 	ret = hns3_lookup_mac_vlan_tbl(hw, &req, desc, true);
1887 	if (ret == 0) {
1888 		/*
1889 		 * This mac addr exist, remove this handle's VFID for it.
1890 		 * In current version VF is not supported when PF is driven by
1891 		 * DPDK driver, just need to configure parameters for PF vport.
1892 		 */
1893 		vf_id = HNS3_PF_FUNC_ID;
1894 		hns3_update_desc_vfid(desc, vf_id, true);
1895 
1896 		/* All the vfid is zero, so need to delete this entry */
1897 		ret = hns3_remove_mac_vlan_tbl(hw, &req);
1898 	} else if (ret == -ENOENT) {
1899 		/* This mac addr doesn't exist. */
1900 		return 0;
1901 	}
1902 
1903 	if (ret) {
1904 		hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1905 				      mac_addr);
1906 		hns3_err(hw, "Failed to rm mc mac addr(%s): %d", mac_str, ret);
1907 	}
1908 
1909 	return ret;
1910 }
1911 
1912 static int
1913 hns3_set_mc_addr_chk_param(struct hns3_hw *hw,
1914 			   struct rte_ether_addr *mc_addr_set,
1915 			   uint32_t nb_mc_addr)
1916 {
1917 	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1918 	struct rte_ether_addr *addr;
1919 	uint32_t i;
1920 	uint32_t j;
1921 
1922 	if (nb_mc_addr > HNS3_MC_MACADDR_NUM) {
1923 		hns3_err(hw, "failed to set mc mac addr, nb_mc_addr(%u) "
1924 			 "invalid. valid range: 0~%d",
1925 			 nb_mc_addr, HNS3_MC_MACADDR_NUM);
1926 		return -EINVAL;
1927 	}
1928 
1929 	/* Check if input mac addresses are valid */
1930 	for (i = 0; i < nb_mc_addr; i++) {
1931 		addr = &mc_addr_set[i];
1932 		if (!rte_is_multicast_ether_addr(addr)) {
1933 			hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1934 					      addr);
1935 			hns3_err(hw,
1936 				 "failed to set mc mac addr, addr(%s) invalid.",
1937 				 mac_str);
1938 			return -EINVAL;
1939 		}
1940 
1941 		/* Check if there are duplicate addresses */
1942 		for (j = i + 1; j < nb_mc_addr; j++) {
1943 			if (rte_is_same_ether_addr(addr, &mc_addr_set[j])) {
1944 				hns3_ether_format_addr(mac_str,
1945 						      RTE_ETHER_ADDR_FMT_SIZE,
1946 						      addr);
1947 				hns3_err(hw, "failed to set mc mac addr, "
1948 					 "addrs invalid. two same addrs(%s).",
1949 					 mac_str);
1950 				return -EINVAL;
1951 			}
1952 		}
1953 
1954 		/*
1955 		 * Check if there are duplicate addresses between mac_addrs
1956 		 * and mc_addr_set
1957 		 */
1958 		for (j = 0; j < HNS3_UC_MACADDR_NUM; j++) {
1959 			if (rte_is_same_ether_addr(addr,
1960 						   &hw->data->mac_addrs[j])) {
1961 				hns3_ether_format_addr(mac_str,
1962 						      RTE_ETHER_ADDR_FMT_SIZE,
1963 						      addr);
1964 				hns3_err(hw, "failed to set mc mac addr, "
1965 					 "addrs invalid. addrs(%s) has already "
1966 					 "configured in mac_addr add API",
1967 					 mac_str);
1968 				return -EINVAL;
1969 			}
1970 		}
1971 	}
1972 
1973 	return 0;
1974 }
1975 
1976 static void
1977 hns3_set_mc_addr_calc_addr(struct hns3_hw *hw,
1978 			   struct rte_ether_addr *mc_addr_set,
1979 			   int mc_addr_num,
1980 			   struct rte_ether_addr *reserved_addr_list,
1981 			   int *reserved_addr_num,
1982 			   struct rte_ether_addr *add_addr_list,
1983 			   int *add_addr_num,
1984 			   struct rte_ether_addr *rm_addr_list,
1985 			   int *rm_addr_num)
1986 {
1987 	struct rte_ether_addr *addr;
1988 	int current_addr_num;
1989 	int reserved_num = 0;
1990 	int add_num = 0;
1991 	int rm_num = 0;
1992 	int num;
1993 	int i;
1994 	int j;
1995 	bool same_addr;
1996 
1997 	/* Calculate the mc mac address list that should be removed */
1998 	current_addr_num = hw->mc_addrs_num;
1999 	for (i = 0; i < current_addr_num; i++) {
2000 		addr = &hw->mc_addrs[i];
2001 		same_addr = false;
2002 		for (j = 0; j < mc_addr_num; j++) {
2003 			if (rte_is_same_ether_addr(addr, &mc_addr_set[j])) {
2004 				same_addr = true;
2005 				break;
2006 			}
2007 		}
2008 
2009 		if (!same_addr) {
2010 			rte_ether_addr_copy(addr, &rm_addr_list[rm_num]);
2011 			rm_num++;
2012 		} else {
2013 			rte_ether_addr_copy(addr,
2014 					    &reserved_addr_list[reserved_num]);
2015 			reserved_num++;
2016 		}
2017 	}
2018 
2019 	/* Calculate the mc mac address list that should be added */
2020 	for (i = 0; i < mc_addr_num; i++) {
2021 		addr = &mc_addr_set[i];
2022 		same_addr = false;
2023 		for (j = 0; j < current_addr_num; j++) {
2024 			if (rte_is_same_ether_addr(addr, &hw->mc_addrs[j])) {
2025 				same_addr = true;
2026 				break;
2027 			}
2028 		}
2029 
2030 		if (!same_addr) {
2031 			rte_ether_addr_copy(addr, &add_addr_list[add_num]);
2032 			add_num++;
2033 		}
2034 	}
2035 
2036 	/* Reorder the mc mac address list maintained by driver */
2037 	for (i = 0; i < reserved_num; i++)
2038 		rte_ether_addr_copy(&reserved_addr_list[i], &hw->mc_addrs[i]);
2039 
2040 	for (i = 0; i < rm_num; i++) {
2041 		num = reserved_num + i;
2042 		rte_ether_addr_copy(&rm_addr_list[i], &hw->mc_addrs[num]);
2043 	}
2044 
2045 	*reserved_addr_num = reserved_num;
2046 	*add_addr_num = add_num;
2047 	*rm_addr_num = rm_num;
2048 }
2049 
2050 static int
2051 hns3_set_mc_mac_addr_list(struct rte_eth_dev *dev,
2052 			  struct rte_ether_addr *mc_addr_set,
2053 			  uint32_t nb_mc_addr)
2054 {
2055 	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2056 	struct rte_ether_addr reserved_addr_list[HNS3_MC_MACADDR_NUM];
2057 	struct rte_ether_addr add_addr_list[HNS3_MC_MACADDR_NUM];
2058 	struct rte_ether_addr rm_addr_list[HNS3_MC_MACADDR_NUM];
2059 	struct rte_ether_addr *addr;
2060 	int reserved_addr_num;
2061 	int add_addr_num;
2062 	int rm_addr_num;
2063 	int mc_addr_num;
2064 	int num;
2065 	int ret;
2066 	int i;
2067 
2068 	/* Check if input parameters are valid */
2069 	ret = hns3_set_mc_addr_chk_param(hw, mc_addr_set, nb_mc_addr);
2070 	if (ret)
2071 		return ret;
2072 
2073 	rte_spinlock_lock(&hw->lock);
2074 
2075 	/*
2076 	 * Calculate the mc mac address lists those should be removed and be
2077 	 * added, Reorder the mc mac address list maintained by driver.
2078 	 */
2079 	mc_addr_num = (int)nb_mc_addr;
2080 	hns3_set_mc_addr_calc_addr(hw, mc_addr_set, mc_addr_num,
2081 				   reserved_addr_list, &reserved_addr_num,
2082 				   add_addr_list, &add_addr_num,
2083 				   rm_addr_list, &rm_addr_num);
2084 
2085 	/* Remove mc mac addresses */
2086 	for (i = 0; i < rm_addr_num; i++) {
2087 		num = rm_addr_num - i - 1;
2088 		addr = &rm_addr_list[num];
2089 		ret = hns3_remove_mc_addr(hw, addr);
2090 		if (ret) {
2091 			rte_spinlock_unlock(&hw->lock);
2092 			return ret;
2093 		}
2094 		hw->mc_addrs_num--;
2095 	}
2096 
2097 	/* Add mc mac addresses */
2098 	for (i = 0; i < add_addr_num; i++) {
2099 		addr = &add_addr_list[i];
2100 		ret = hns3_add_mc_addr(hw, addr);
2101 		if (ret) {
2102 			rte_spinlock_unlock(&hw->lock);
2103 			return ret;
2104 		}
2105 
2106 		num = reserved_addr_num + i;
2107 		rte_ether_addr_copy(addr, &hw->mc_addrs[num]);
2108 		hw->mc_addrs_num++;
2109 	}
2110 	rte_spinlock_unlock(&hw->lock);
2111 
2112 	return 0;
2113 }
2114 
2115 static int
2116 hns3_configure_all_mc_mac_addr(struct hns3_adapter *hns, bool del)
2117 {
2118 	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
2119 	struct hns3_hw *hw = &hns->hw;
2120 	struct rte_ether_addr *addr;
2121 	int err = 0;
2122 	int ret;
2123 	int i;
2124 
2125 	for (i = 0; i < hw->mc_addrs_num; i++) {
2126 		addr = &hw->mc_addrs[i];
2127 		if (!rte_is_multicast_ether_addr(addr))
2128 			continue;
2129 		if (del)
2130 			ret = hns3_remove_mc_addr(hw, addr);
2131 		else
2132 			ret = hns3_add_mc_addr(hw, addr);
2133 		if (ret) {
2134 			err = ret;
2135 			hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
2136 					      addr);
2137 			hns3_dbg(hw, "%s mc mac addr: %s failed for pf: ret = %d",
2138 				 del ? "Remove" : "Restore", mac_str, ret);
2139 		}
2140 	}
2141 	return err;
2142 }
2143 
2144 static int
2145 hns3_check_mq_mode(struct rte_eth_dev *dev)
2146 {
2147 	enum rte_eth_rx_mq_mode rx_mq_mode = dev->data->dev_conf.rxmode.mq_mode;
2148 	enum rte_eth_tx_mq_mode tx_mq_mode = dev->data->dev_conf.txmode.mq_mode;
2149 	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2150 	struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
2151 	struct rte_eth_dcb_rx_conf *dcb_rx_conf;
2152 	struct rte_eth_dcb_tx_conf *dcb_tx_conf;
2153 	uint8_t num_tc;
2154 	int max_tc = 0;
2155 	int i;
2156 
2157 	dcb_rx_conf = &dev->data->dev_conf.rx_adv_conf.dcb_rx_conf;
2158 	dcb_tx_conf = &dev->data->dev_conf.tx_adv_conf.dcb_tx_conf;
2159 
2160 	if (rx_mq_mode == ETH_MQ_RX_VMDQ_DCB_RSS) {
2161 		hns3_err(hw, "ETH_MQ_RX_VMDQ_DCB_RSS is not supported. "
2162 			 "rx_mq_mode = %d", rx_mq_mode);
2163 		return -EINVAL;
2164 	}
2165 
2166 	if (rx_mq_mode == ETH_MQ_RX_VMDQ_DCB ||
2167 	    tx_mq_mode == ETH_MQ_TX_VMDQ_DCB) {
2168 		hns3_err(hw, "ETH_MQ_RX_VMDQ_DCB and ETH_MQ_TX_VMDQ_DCB "
2169 			 "is not supported. rx_mq_mode = %d, tx_mq_mode = %d",
2170 			 rx_mq_mode, tx_mq_mode);
2171 		return -EINVAL;
2172 	}
2173 
2174 	if (rx_mq_mode == ETH_MQ_RX_DCB_RSS) {
2175 		if (dcb_rx_conf->nb_tcs > pf->tc_max) {
2176 			hns3_err(hw, "nb_tcs(%u) > max_tc(%u) driver supported.",
2177 				 dcb_rx_conf->nb_tcs, pf->tc_max);
2178 			return -EINVAL;
2179 		}
2180 
2181 		if (!(dcb_rx_conf->nb_tcs == HNS3_4_TCS ||
2182 		      dcb_rx_conf->nb_tcs == HNS3_8_TCS)) {
2183 			hns3_err(hw, "on ETH_MQ_RX_DCB_RSS mode, "
2184 				 "nb_tcs(%d) != %d or %d in rx direction.",
2185 				 dcb_rx_conf->nb_tcs, HNS3_4_TCS, HNS3_8_TCS);
2186 			return -EINVAL;
2187 		}
2188 
2189 		if (dcb_rx_conf->nb_tcs != dcb_tx_conf->nb_tcs) {
2190 			hns3_err(hw, "num_tcs(%d) of tx is not equal to rx(%d)",
2191 				 dcb_tx_conf->nb_tcs, dcb_rx_conf->nb_tcs);
2192 			return -EINVAL;
2193 		}
2194 
2195 		for (i = 0; i < HNS3_MAX_USER_PRIO; i++) {
2196 			if (dcb_rx_conf->dcb_tc[i] != dcb_tx_conf->dcb_tc[i]) {
2197 				hns3_err(hw, "dcb_tc[%d] = %u in rx direction, "
2198 					 "is not equal to one in tx direction.",
2199 					 i, dcb_rx_conf->dcb_tc[i]);
2200 				return -EINVAL;
2201 			}
2202 			if (dcb_rx_conf->dcb_tc[i] > max_tc)
2203 				max_tc = dcb_rx_conf->dcb_tc[i];
2204 		}
2205 
2206 		num_tc = max_tc + 1;
2207 		if (num_tc > dcb_rx_conf->nb_tcs) {
2208 			hns3_err(hw, "max num_tc(%u) mapped > nb_tcs(%u)",
2209 				 num_tc, dcb_rx_conf->nb_tcs);
2210 			return -EINVAL;
2211 		}
2212 	}
2213 
2214 	return 0;
2215 }
2216 
2217 static int
2218 hns3_check_dcb_cfg(struct rte_eth_dev *dev)
2219 {
2220 	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2221 
2222 	if (!hns3_dev_dcb_supported(hw)) {
2223 		hns3_err(hw, "this port does not support dcb configurations.");
2224 		return -EOPNOTSUPP;
2225 	}
2226 
2227 	if (hw->current_fc_status == HNS3_FC_STATUS_MAC_PAUSE) {
2228 		hns3_err(hw, "MAC pause enabled, cannot config dcb info.");
2229 		return -EOPNOTSUPP;
2230 	}
2231 
2232 	/* Check multiple queue mode */
2233 	return hns3_check_mq_mode(dev);
2234 }
2235 
2236 static int
2237 hns3_bind_ring_with_vector(struct hns3_hw *hw, uint16_t vector_id, bool en,
2238 			   enum hns3_ring_type queue_type, uint16_t queue_id)
2239 {
2240 	struct hns3_cmd_desc desc;
2241 	struct hns3_ctrl_vector_chain_cmd *req =
2242 		(struct hns3_ctrl_vector_chain_cmd *)desc.data;
2243 	enum hns3_cmd_status status;
2244 	enum hns3_opcode_type op;
2245 	uint16_t tqp_type_and_id = 0;
2246 	uint16_t type;
2247 	uint16_t gl;
2248 
2249 	op = en ? HNS3_OPC_ADD_RING_TO_VECTOR : HNS3_OPC_DEL_RING_TO_VECTOR;
2250 	hns3_cmd_setup_basic_desc(&desc, op, false);
2251 	req->int_vector_id = hns3_get_field(vector_id, HNS3_TQP_INT_ID_L_M,
2252 					      HNS3_TQP_INT_ID_L_S);
2253 	req->int_vector_id_h = hns3_get_field(vector_id, HNS3_TQP_INT_ID_H_M,
2254 					      HNS3_TQP_INT_ID_H_S);
2255 
2256 	if (queue_type == HNS3_RING_TYPE_RX)
2257 		gl = HNS3_RING_GL_RX;
2258 	else
2259 		gl = HNS3_RING_GL_TX;
2260 
2261 	type = queue_type;
2262 
2263 	hns3_set_field(tqp_type_and_id, HNS3_INT_TYPE_M, HNS3_INT_TYPE_S,
2264 		       type);
2265 	hns3_set_field(tqp_type_and_id, HNS3_TQP_ID_M, HNS3_TQP_ID_S, queue_id);
2266 	hns3_set_field(tqp_type_and_id, HNS3_INT_GL_IDX_M, HNS3_INT_GL_IDX_S,
2267 		       gl);
2268 	req->tqp_type_and_id[0] = rte_cpu_to_le_16(tqp_type_and_id);
2269 	req->int_cause_num = 1;
2270 	status = hns3_cmd_send(hw, &desc, 1);
2271 	if (status) {
2272 		hns3_err(hw, "%s TQP %u fail, vector_id is %u, status is %d.",
2273 			 en ? "Map" : "Unmap", queue_id, vector_id, status);
2274 		return status;
2275 	}
2276 
2277 	return 0;
2278 }
2279 
2280 static int
2281 hns3_init_ring_with_vector(struct hns3_hw *hw)
2282 {
2283 	uint16_t vec;
2284 	int ret;
2285 	int i;
2286 
2287 	/*
2288 	 * In hns3 network engine, vector 0 is always the misc interrupt of this
2289 	 * function, vector 1~N can be used respectively for the queues of the
2290 	 * function. Tx and Rx queues with the same number share the interrupt
2291 	 * vector. In the initialization clearing the all hardware mapping
2292 	 * relationship configurations between queues and interrupt vectors is
2293 	 * needed, so some error caused by the residual configurations, such as
2294 	 * the unexpected Tx interrupt, can be avoid.
2295 	 */
2296 	vec = hw->num_msi - 1; /* vector 0 for misc interrupt, not for queue */
2297 	if (hw->intr.mapping_mode == HNS3_INTR_MAPPING_VEC_RSV_ONE)
2298 		vec = vec - 1; /* the last interrupt is reserved */
2299 	hw->intr_tqps_num = RTE_MIN(vec, hw->tqps_num);
2300 	for (i = 0; i < hw->intr_tqps_num; i++) {
2301 		/*
2302 		 * Set gap limiter/rate limiter/quanity limiter algorithm
2303 		 * configuration for interrupt coalesce of queue's interrupt.
2304 		 */
2305 		hns3_set_queue_intr_gl(hw, i, HNS3_RING_GL_RX,
2306 				       HNS3_TQP_INTR_GL_DEFAULT);
2307 		hns3_set_queue_intr_gl(hw, i, HNS3_RING_GL_TX,
2308 				       HNS3_TQP_INTR_GL_DEFAULT);
2309 		hns3_set_queue_intr_rl(hw, i, HNS3_TQP_INTR_RL_DEFAULT);
2310 		/*
2311 		 * QL(quantity limiter) is not used currently, just set 0 to
2312 		 * close it.
2313 		 */
2314 		hns3_set_queue_intr_ql(hw, i, HNS3_TQP_INTR_QL_DEFAULT);
2315 
2316 		ret = hns3_bind_ring_with_vector(hw, vec, false,
2317 						 HNS3_RING_TYPE_TX, i);
2318 		if (ret) {
2319 			PMD_INIT_LOG(ERR, "PF fail to unbind TX ring(%d) with "
2320 					  "vector: %u, ret=%d", i, vec, ret);
2321 			return ret;
2322 		}
2323 
2324 		ret = hns3_bind_ring_with_vector(hw, vec, false,
2325 						 HNS3_RING_TYPE_RX, i);
2326 		if (ret) {
2327 			PMD_INIT_LOG(ERR, "PF fail to unbind RX ring(%d) with "
2328 					  "vector: %u, ret=%d", i, vec, ret);
2329 			return ret;
2330 		}
2331 	}
2332 
2333 	return 0;
2334 }
2335 
2336 static int
2337 hns3_dev_configure(struct rte_eth_dev *dev)
2338 {
2339 	struct hns3_adapter *hns = dev->data->dev_private;
2340 	struct rte_eth_conf *conf = &dev->data->dev_conf;
2341 	enum rte_eth_rx_mq_mode mq_mode = conf->rxmode.mq_mode;
2342 	struct hns3_hw *hw = &hns->hw;
2343 	uint16_t nb_rx_q = dev->data->nb_rx_queues;
2344 	uint16_t nb_tx_q = dev->data->nb_tx_queues;
2345 	struct rte_eth_rss_conf rss_conf;
2346 	uint32_t max_rx_pkt_len;
2347 	uint16_t mtu;
2348 	bool gro_en;
2349 	int ret;
2350 
2351 	hw->cfg_max_queues = RTE_MAX(nb_rx_q, nb_tx_q);
2352 
2353 	/*
2354 	 * Some versions of hardware network engine does not support
2355 	 * individually enable/disable/reset the Tx or Rx queue. These devices
2356 	 * must enable/disable/reset Tx and Rx queues at the same time. When the
2357 	 * numbers of Tx queues allocated by upper applications are not equal to
2358 	 * the numbers of Rx queues, driver needs to setup fake Tx or Rx queues
2359 	 * to adjust numbers of Tx/Rx queues. otherwise, network engine can not
2360 	 * work as usual. But these fake queues are imperceptible, and can not
2361 	 * be used by upper applications.
2362 	 */
2363 	if (!hns3_dev_indep_txrx_supported(hw)) {
2364 		ret = hns3_set_fake_rx_or_tx_queues(dev, nb_rx_q, nb_tx_q);
2365 		if (ret) {
2366 			hns3_err(hw, "fail to set Rx/Tx fake queues, ret = %d.",
2367 				 ret);
2368 			return ret;
2369 		}
2370 	}
2371 
2372 	hw->adapter_state = HNS3_NIC_CONFIGURING;
2373 	if (conf->link_speeds & ETH_LINK_SPEED_FIXED) {
2374 		hns3_err(hw, "setting link speed/duplex not supported");
2375 		ret = -EINVAL;
2376 		goto cfg_err;
2377 	}
2378 
2379 	if ((uint32_t)mq_mode & ETH_MQ_RX_DCB_FLAG) {
2380 		ret = hns3_check_dcb_cfg(dev);
2381 		if (ret)
2382 			goto cfg_err;
2383 	}
2384 
2385 	/* When RSS is not configured, redirect the packet queue 0 */
2386 	if ((uint32_t)mq_mode & ETH_MQ_RX_RSS_FLAG) {
2387 		conf->rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
2388 		rss_conf = conf->rx_adv_conf.rss_conf;
2389 		hw->rss_dis_flag = false;
2390 		ret = hns3_dev_rss_hash_update(dev, &rss_conf);
2391 		if (ret)
2392 			goto cfg_err;
2393 	}
2394 
2395 	/*
2396 	 * If jumbo frames are enabled, MTU needs to be refreshed
2397 	 * according to the maximum RX packet length.
2398 	 */
2399 	if (conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
2400 		max_rx_pkt_len = conf->rxmode.max_rx_pkt_len;
2401 		if (max_rx_pkt_len > HNS3_MAX_FRAME_LEN ||
2402 		    max_rx_pkt_len <= HNS3_DEFAULT_FRAME_LEN) {
2403 			hns3_err(hw, "maximum Rx packet length must be greater "
2404 				 "than %u and less than %u when jumbo frame enabled.",
2405 				 (uint16_t)HNS3_DEFAULT_FRAME_LEN,
2406 				 (uint16_t)HNS3_MAX_FRAME_LEN);
2407 			ret = -EINVAL;
2408 			goto cfg_err;
2409 		}
2410 
2411 		mtu = (uint16_t)HNS3_PKTLEN_TO_MTU(max_rx_pkt_len);
2412 		ret = hns3_dev_mtu_set(dev, mtu);
2413 		if (ret)
2414 			goto cfg_err;
2415 		dev->data->mtu = mtu;
2416 	}
2417 
2418 	ret = hns3_dev_configure_vlan(dev);
2419 	if (ret)
2420 		goto cfg_err;
2421 
2422 	/* config hardware GRO */
2423 	gro_en = conf->rxmode.offloads & DEV_RX_OFFLOAD_TCP_LRO ? true : false;
2424 	ret = hns3_config_gro(hw, gro_en);
2425 	if (ret)
2426 		goto cfg_err;
2427 
2428 	hns->rx_simple_allowed = true;
2429 	hns->rx_vec_allowed = true;
2430 	hns->tx_simple_allowed = true;
2431 	hns->tx_vec_allowed = true;
2432 
2433 	hns3_init_rx_ptype_tble(dev);
2434 	hw->adapter_state = HNS3_NIC_CONFIGURED;
2435 
2436 	return 0;
2437 
2438 cfg_err:
2439 	(void)hns3_set_fake_rx_or_tx_queues(dev, 0, 0);
2440 	hw->adapter_state = HNS3_NIC_INITIALIZED;
2441 
2442 	return ret;
2443 }
2444 
2445 static int
2446 hns3_set_mac_mtu(struct hns3_hw *hw, uint16_t new_mps)
2447 {
2448 	struct hns3_config_max_frm_size_cmd *req;
2449 	struct hns3_cmd_desc desc;
2450 
2451 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_MAX_FRM_SIZE, false);
2452 
2453 	req = (struct hns3_config_max_frm_size_cmd *)desc.data;
2454 	req->max_frm_size = rte_cpu_to_le_16(new_mps);
2455 	req->min_frm_size = RTE_ETHER_MIN_LEN;
2456 
2457 	return hns3_cmd_send(hw, &desc, 1);
2458 }
2459 
2460 static int
2461 hns3_config_mtu(struct hns3_hw *hw, uint16_t mps)
2462 {
2463 	int ret;
2464 
2465 	ret = hns3_set_mac_mtu(hw, mps);
2466 	if (ret) {
2467 		hns3_err(hw, "Failed to set mtu, ret = %d", ret);
2468 		return ret;
2469 	}
2470 
2471 	ret = hns3_buffer_alloc(hw);
2472 	if (ret)
2473 		hns3_err(hw, "Failed to allocate buffer, ret = %d", ret);
2474 
2475 	return ret;
2476 }
2477 
2478 static int
2479 hns3_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
2480 {
2481 	struct hns3_adapter *hns = dev->data->dev_private;
2482 	uint32_t frame_size = mtu + HNS3_ETH_OVERHEAD;
2483 	struct hns3_hw *hw = &hns->hw;
2484 	bool is_jumbo_frame;
2485 	int ret;
2486 
2487 	if (dev->data->dev_started) {
2488 		hns3_err(hw, "Failed to set mtu, port %u must be stopped "
2489 			 "before configuration", dev->data->port_id);
2490 		return -EBUSY;
2491 	}
2492 
2493 	rte_spinlock_lock(&hw->lock);
2494 	is_jumbo_frame = frame_size > HNS3_DEFAULT_FRAME_LEN ? true : false;
2495 	frame_size = RTE_MAX(frame_size, HNS3_DEFAULT_FRAME_LEN);
2496 
2497 	/*
2498 	 * Maximum value of frame_size is HNS3_MAX_FRAME_LEN, so it can safely
2499 	 * assign to "uint16_t" type variable.
2500 	 */
2501 	ret = hns3_config_mtu(hw, (uint16_t)frame_size);
2502 	if (ret) {
2503 		rte_spinlock_unlock(&hw->lock);
2504 		hns3_err(hw, "Failed to set mtu, port %u mtu %u: %d",
2505 			 dev->data->port_id, mtu, ret);
2506 		return ret;
2507 	}
2508 	hns->pf.mps = (uint16_t)frame_size;
2509 	if (is_jumbo_frame)
2510 		dev->data->dev_conf.rxmode.offloads |=
2511 						DEV_RX_OFFLOAD_JUMBO_FRAME;
2512 	else
2513 		dev->data->dev_conf.rxmode.offloads &=
2514 						~DEV_RX_OFFLOAD_JUMBO_FRAME;
2515 	dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
2516 	rte_spinlock_unlock(&hw->lock);
2517 
2518 	return 0;
2519 }
2520 
2521 int
2522 hns3_dev_infos_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *info)
2523 {
2524 	struct hns3_adapter *hns = eth_dev->data->dev_private;
2525 	struct hns3_hw *hw = &hns->hw;
2526 	uint16_t queue_num = hw->tqps_num;
2527 
2528 	/*
2529 	 * In interrupt mode, 'max_rx_queues' is set based on the number of
2530 	 * MSI-X interrupt resources of the hardware.
2531 	 */
2532 	if (hw->data->dev_conf.intr_conf.rxq == 1)
2533 		queue_num = hw->intr_tqps_num;
2534 
2535 	info->max_rx_queues = queue_num;
2536 	info->max_tx_queues = hw->tqps_num;
2537 	info->max_rx_pktlen = HNS3_MAX_FRAME_LEN; /* CRC included */
2538 	info->min_rx_bufsize = HNS3_MIN_BD_BUF_SIZE;
2539 	info->max_mac_addrs = HNS3_UC_MACADDR_NUM;
2540 	info->max_mtu = info->max_rx_pktlen - HNS3_ETH_OVERHEAD;
2541 	info->max_lro_pkt_size = HNS3_MAX_LRO_SIZE;
2542 	info->rx_offload_capa = (DEV_RX_OFFLOAD_IPV4_CKSUM |
2543 				 DEV_RX_OFFLOAD_TCP_CKSUM |
2544 				 DEV_RX_OFFLOAD_UDP_CKSUM |
2545 				 DEV_RX_OFFLOAD_SCTP_CKSUM |
2546 				 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
2547 				 DEV_RX_OFFLOAD_OUTER_UDP_CKSUM |
2548 				 DEV_RX_OFFLOAD_KEEP_CRC |
2549 				 DEV_RX_OFFLOAD_SCATTER |
2550 				 DEV_RX_OFFLOAD_VLAN_STRIP |
2551 				 DEV_RX_OFFLOAD_VLAN_FILTER |
2552 				 DEV_RX_OFFLOAD_JUMBO_FRAME |
2553 				 DEV_RX_OFFLOAD_RSS_HASH |
2554 				 DEV_RX_OFFLOAD_TCP_LRO);
2555 	info->tx_offload_capa = (DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
2556 				 DEV_TX_OFFLOAD_IPV4_CKSUM |
2557 				 DEV_TX_OFFLOAD_TCP_CKSUM |
2558 				 DEV_TX_OFFLOAD_UDP_CKSUM |
2559 				 DEV_TX_OFFLOAD_SCTP_CKSUM |
2560 				 DEV_TX_OFFLOAD_MULTI_SEGS |
2561 				 DEV_TX_OFFLOAD_TCP_TSO |
2562 				 DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
2563 				 DEV_TX_OFFLOAD_GRE_TNL_TSO |
2564 				 DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
2565 				 DEV_TX_OFFLOAD_MBUF_FAST_FREE |
2566 				 hns3_txvlan_cap_get(hw));
2567 
2568 	if (hns3_dev_indep_txrx_supported(hw))
2569 		info->dev_capa = RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP |
2570 				 RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP;
2571 
2572 	info->rx_desc_lim = (struct rte_eth_desc_lim) {
2573 		.nb_max = HNS3_MAX_RING_DESC,
2574 		.nb_min = HNS3_MIN_RING_DESC,
2575 		.nb_align = HNS3_ALIGN_RING_DESC,
2576 	};
2577 
2578 	info->tx_desc_lim = (struct rte_eth_desc_lim) {
2579 		.nb_max = HNS3_MAX_RING_DESC,
2580 		.nb_min = HNS3_MIN_RING_DESC,
2581 		.nb_align = HNS3_ALIGN_RING_DESC,
2582 		.nb_seg_max = HNS3_MAX_TSO_BD_PER_PKT,
2583 		.nb_mtu_seg_max = hw->max_non_tso_bd_num,
2584 	};
2585 
2586 	info->default_rxconf = (struct rte_eth_rxconf) {
2587 		.rx_free_thresh = HNS3_DEFAULT_RX_FREE_THRESH,
2588 		/*
2589 		 * If there are no available Rx buffer descriptors, incoming
2590 		 * packets are always dropped by hardware based on hns3 network
2591 		 * engine.
2592 		 */
2593 		.rx_drop_en = 1,
2594 		.offloads = 0,
2595 	};
2596 	info->default_txconf = (struct rte_eth_txconf) {
2597 		.tx_rs_thresh = HNS3_DEFAULT_TX_RS_THRESH,
2598 		.offloads = 0,
2599 	};
2600 
2601 	info->vmdq_queue_num = 0;
2602 
2603 	info->reta_size = hw->rss_ind_tbl_size;
2604 	info->hash_key_size = HNS3_RSS_KEY_SIZE;
2605 	info->flow_type_rss_offloads = HNS3_ETH_RSS_SUPPORT;
2606 
2607 	info->default_rxportconf.burst_size = HNS3_DEFAULT_PORT_CONF_BURST_SIZE;
2608 	info->default_txportconf.burst_size = HNS3_DEFAULT_PORT_CONF_BURST_SIZE;
2609 	info->default_rxportconf.nb_queues = HNS3_DEFAULT_PORT_CONF_QUEUES_NUM;
2610 	info->default_txportconf.nb_queues = HNS3_DEFAULT_PORT_CONF_QUEUES_NUM;
2611 	info->default_rxportconf.ring_size = HNS3_DEFAULT_RING_DESC;
2612 	info->default_txportconf.ring_size = HNS3_DEFAULT_RING_DESC;
2613 
2614 	return 0;
2615 }
2616 
2617 static int
2618 hns3_fw_version_get(struct rte_eth_dev *eth_dev, char *fw_version,
2619 		    size_t fw_size)
2620 {
2621 	struct hns3_adapter *hns = eth_dev->data->dev_private;
2622 	struct hns3_hw *hw = &hns->hw;
2623 	uint32_t version = hw->fw_version;
2624 	int ret;
2625 
2626 	ret = snprintf(fw_version, fw_size, "%lu.%lu.%lu.%lu",
2627 		       hns3_get_field(version, HNS3_FW_VERSION_BYTE3_M,
2628 				      HNS3_FW_VERSION_BYTE3_S),
2629 		       hns3_get_field(version, HNS3_FW_VERSION_BYTE2_M,
2630 				      HNS3_FW_VERSION_BYTE2_S),
2631 		       hns3_get_field(version, HNS3_FW_VERSION_BYTE1_M,
2632 				      HNS3_FW_VERSION_BYTE1_S),
2633 		       hns3_get_field(version, HNS3_FW_VERSION_BYTE0_M,
2634 				      HNS3_FW_VERSION_BYTE0_S));
2635 	ret += 1; /* add the size of '\0' */
2636 	if (fw_size < (uint32_t)ret)
2637 		return ret;
2638 	else
2639 		return 0;
2640 }
2641 
2642 static int
2643 hns3_dev_link_update(struct rte_eth_dev *eth_dev,
2644 		     __rte_unused int wait_to_complete)
2645 {
2646 	struct hns3_adapter *hns = eth_dev->data->dev_private;
2647 	struct hns3_hw *hw = &hns->hw;
2648 	struct hns3_mac *mac = &hw->mac;
2649 	struct rte_eth_link new_link;
2650 
2651 	if (!hns3_is_reset_pending(hns)) {
2652 		hns3_update_link_status(hw);
2653 		hns3_update_link_info(eth_dev);
2654 	}
2655 
2656 	memset(&new_link, 0, sizeof(new_link));
2657 	switch (mac->link_speed) {
2658 	case ETH_SPEED_NUM_10M:
2659 	case ETH_SPEED_NUM_100M:
2660 	case ETH_SPEED_NUM_1G:
2661 	case ETH_SPEED_NUM_10G:
2662 	case ETH_SPEED_NUM_25G:
2663 	case ETH_SPEED_NUM_40G:
2664 	case ETH_SPEED_NUM_50G:
2665 	case ETH_SPEED_NUM_100G:
2666 	case ETH_SPEED_NUM_200G:
2667 		new_link.link_speed = mac->link_speed;
2668 		break;
2669 	default:
2670 		new_link.link_speed = ETH_SPEED_NUM_100M;
2671 		break;
2672 	}
2673 
2674 	new_link.link_duplex = mac->link_duplex;
2675 	new_link.link_status = mac->link_status ? ETH_LINK_UP : ETH_LINK_DOWN;
2676 	new_link.link_autoneg =
2677 	    !(eth_dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED);
2678 
2679 	return rte_eth_linkstatus_set(eth_dev, &new_link);
2680 }
2681 
2682 static int
2683 hns3_parse_func_status(struct hns3_hw *hw, struct hns3_func_status_cmd *status)
2684 {
2685 	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
2686 	struct hns3_pf *pf = &hns->pf;
2687 
2688 	if (!(status->pf_state & HNS3_PF_STATE_DONE))
2689 		return -EINVAL;
2690 
2691 	pf->is_main_pf = (status->pf_state & HNS3_PF_STATE_MAIN) ? true : false;
2692 
2693 	return 0;
2694 }
2695 
2696 static int
2697 hns3_query_function_status(struct hns3_hw *hw)
2698 {
2699 #define HNS3_QUERY_MAX_CNT		10
2700 #define HNS3_QUERY_SLEEP_MSCOEND	1
2701 	struct hns3_func_status_cmd *req;
2702 	struct hns3_cmd_desc desc;
2703 	int timeout = 0;
2704 	int ret;
2705 
2706 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_QUERY_FUNC_STATUS, true);
2707 	req = (struct hns3_func_status_cmd *)desc.data;
2708 
2709 	do {
2710 		ret = hns3_cmd_send(hw, &desc, 1);
2711 		if (ret) {
2712 			PMD_INIT_LOG(ERR, "query function status failed %d",
2713 				     ret);
2714 			return ret;
2715 		}
2716 
2717 		/* Check pf reset is done */
2718 		if (req->pf_state)
2719 			break;
2720 
2721 		rte_delay_ms(HNS3_QUERY_SLEEP_MSCOEND);
2722 	} while (timeout++ < HNS3_QUERY_MAX_CNT);
2723 
2724 	return hns3_parse_func_status(hw, req);
2725 }
2726 
2727 static int
2728 hns3_get_pf_max_tqp_num(struct hns3_hw *hw)
2729 {
2730 	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
2731 	struct hns3_pf *pf = &hns->pf;
2732 
2733 	if (pf->tqp_config_mode == HNS3_FLEX_MAX_TQP_NUM_MODE) {
2734 		/*
2735 		 * The total_tqps_num obtained from firmware is maximum tqp
2736 		 * numbers of this port, which should be used for PF and VFs.
2737 		 * There is no need for pf to have so many tqp numbers in
2738 		 * most cases. RTE_LIBRTE_HNS3_MAX_TQP_NUM_PER_PF,
2739 		 * coming from config file, is assigned to maximum queue number
2740 		 * for the PF of this port by user. So users can modify the
2741 		 * maximum queue number of PF according to their own application
2742 		 * scenarios, which is more flexible to use. In addition, many
2743 		 * memories can be saved due to allocating queue statistics
2744 		 * room according to the actual number of queues required. The
2745 		 * maximum queue number of PF for network engine with
2746 		 * revision_id greater than 0x30 is assigned by config file.
2747 		 */
2748 		if (RTE_LIBRTE_HNS3_MAX_TQP_NUM_PER_PF <= 0) {
2749 			hns3_err(hw, "RTE_LIBRTE_HNS3_MAX_TQP_NUM_PER_PF(%d) "
2750 				 "must be greater than 0.",
2751 				 RTE_LIBRTE_HNS3_MAX_TQP_NUM_PER_PF);
2752 			return -EINVAL;
2753 		}
2754 
2755 		hw->tqps_num = RTE_MIN(RTE_LIBRTE_HNS3_MAX_TQP_NUM_PER_PF,
2756 				       hw->total_tqps_num);
2757 	} else {
2758 		/*
2759 		 * Due to the limitation on the number of PF interrupts
2760 		 * available, the maximum queue number assigned to PF on
2761 		 * the network engine with revision_id 0x21 is 64.
2762 		 */
2763 		hw->tqps_num = RTE_MIN(hw->total_tqps_num,
2764 				       HNS3_MAX_TQP_NUM_HIP08_PF);
2765 	}
2766 
2767 	return 0;
2768 }
2769 
2770 static int
2771 hns3_query_pf_resource(struct hns3_hw *hw)
2772 {
2773 	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
2774 	struct hns3_pf *pf = &hns->pf;
2775 	struct hns3_pf_res_cmd *req;
2776 	struct hns3_cmd_desc desc;
2777 	int ret;
2778 
2779 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_QUERY_PF_RSRC, true);
2780 	ret = hns3_cmd_send(hw, &desc, 1);
2781 	if (ret) {
2782 		PMD_INIT_LOG(ERR, "query pf resource failed %d", ret);
2783 		return ret;
2784 	}
2785 
2786 	req = (struct hns3_pf_res_cmd *)desc.data;
2787 	hw->total_tqps_num = rte_le_to_cpu_16(req->tqp_num) +
2788 			     rte_le_to_cpu_16(req->ext_tqp_num);
2789 	ret = hns3_get_pf_max_tqp_num(hw);
2790 	if (ret)
2791 		return ret;
2792 
2793 	pf->pkt_buf_size = rte_le_to_cpu_16(req->buf_size) << HNS3_BUF_UNIT_S;
2794 	pf->func_num = rte_le_to_cpu_16(req->pf_own_fun_number);
2795 
2796 	if (req->tx_buf_size)
2797 		pf->tx_buf_size =
2798 		    rte_le_to_cpu_16(req->tx_buf_size) << HNS3_BUF_UNIT_S;
2799 	else
2800 		pf->tx_buf_size = HNS3_DEFAULT_TX_BUF;
2801 
2802 	pf->tx_buf_size = roundup(pf->tx_buf_size, HNS3_BUF_SIZE_UNIT);
2803 
2804 	if (req->dv_buf_size)
2805 		pf->dv_buf_size =
2806 		    rte_le_to_cpu_16(req->dv_buf_size) << HNS3_BUF_UNIT_S;
2807 	else
2808 		pf->dv_buf_size = HNS3_DEFAULT_DV;
2809 
2810 	pf->dv_buf_size = roundup(pf->dv_buf_size, HNS3_BUF_SIZE_UNIT);
2811 
2812 	hw->num_msi =
2813 		hns3_get_field(rte_le_to_cpu_16(req->nic_pf_intr_vector_number),
2814 			       HNS3_PF_VEC_NUM_M, HNS3_PF_VEC_NUM_S);
2815 
2816 	return 0;
2817 }
2818 
2819 static void
2820 hns3_parse_cfg(struct hns3_cfg *cfg, struct hns3_cmd_desc *desc)
2821 {
2822 	struct hns3_cfg_param_cmd *req;
2823 	uint64_t mac_addr_tmp_high;
2824 	uint8_t ext_rss_size_max;
2825 	uint64_t mac_addr_tmp;
2826 	uint32_t i;
2827 
2828 	req = (struct hns3_cfg_param_cmd *)desc[0].data;
2829 
2830 	/* get the configuration */
2831 	cfg->vmdq_vport_num = hns3_get_field(rte_le_to_cpu_32(req->param[0]),
2832 					     HNS3_CFG_VMDQ_M, HNS3_CFG_VMDQ_S);
2833 	cfg->tc_num = hns3_get_field(rte_le_to_cpu_32(req->param[0]),
2834 				     HNS3_CFG_TC_NUM_M, HNS3_CFG_TC_NUM_S);
2835 	cfg->tqp_desc_num = hns3_get_field(rte_le_to_cpu_32(req->param[0]),
2836 					   HNS3_CFG_TQP_DESC_N_M,
2837 					   HNS3_CFG_TQP_DESC_N_S);
2838 
2839 	cfg->phy_addr = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2840 				       HNS3_CFG_PHY_ADDR_M,
2841 				       HNS3_CFG_PHY_ADDR_S);
2842 	cfg->media_type = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2843 					 HNS3_CFG_MEDIA_TP_M,
2844 					 HNS3_CFG_MEDIA_TP_S);
2845 	cfg->rx_buf_len = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2846 					 HNS3_CFG_RX_BUF_LEN_M,
2847 					 HNS3_CFG_RX_BUF_LEN_S);
2848 	/* get mac address */
2849 	mac_addr_tmp = rte_le_to_cpu_32(req->param[2]);
2850 	mac_addr_tmp_high = hns3_get_field(rte_le_to_cpu_32(req->param[3]),
2851 					   HNS3_CFG_MAC_ADDR_H_M,
2852 					   HNS3_CFG_MAC_ADDR_H_S);
2853 
2854 	mac_addr_tmp |= (mac_addr_tmp_high << 31) << 1;
2855 
2856 	cfg->default_speed = hns3_get_field(rte_le_to_cpu_32(req->param[3]),
2857 					    HNS3_CFG_DEFAULT_SPEED_M,
2858 					    HNS3_CFG_DEFAULT_SPEED_S);
2859 	cfg->rss_size_max = hns3_get_field(rte_le_to_cpu_32(req->param[3]),
2860 					   HNS3_CFG_RSS_SIZE_M,
2861 					   HNS3_CFG_RSS_SIZE_S);
2862 
2863 	for (i = 0; i < RTE_ETHER_ADDR_LEN; i++)
2864 		cfg->mac_addr[i] = (mac_addr_tmp >> (8 * i)) & 0xff;
2865 
2866 	req = (struct hns3_cfg_param_cmd *)desc[1].data;
2867 	cfg->numa_node_map = rte_le_to_cpu_32(req->param[0]);
2868 
2869 	cfg->speed_ability = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2870 					    HNS3_CFG_SPEED_ABILITY_M,
2871 					    HNS3_CFG_SPEED_ABILITY_S);
2872 	cfg->umv_space = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2873 					HNS3_CFG_UMV_TBL_SPACE_M,
2874 					HNS3_CFG_UMV_TBL_SPACE_S);
2875 	if (!cfg->umv_space)
2876 		cfg->umv_space = HNS3_DEFAULT_UMV_SPACE_PER_PF;
2877 
2878 	ext_rss_size_max = hns3_get_field(rte_le_to_cpu_32(req->param[2]),
2879 					       HNS3_CFG_EXT_RSS_SIZE_M,
2880 					       HNS3_CFG_EXT_RSS_SIZE_S);
2881 
2882 	/*
2883 	 * Field ext_rss_size_max obtained from firmware will be more flexible
2884 	 * for future changes and expansions, which is an exponent of 2, instead
2885 	 * of reading out directly. If this field is not zero, hns3 PF PMD
2886 	 * driver uses it as rss_size_max under one TC. Device, whose revision
2887 	 * id is greater than or equal to PCI_REVISION_ID_HIP09_A, obtains the
2888 	 * maximum number of queues supported under a TC through this field.
2889 	 */
2890 	if (ext_rss_size_max)
2891 		cfg->rss_size_max = 1U << ext_rss_size_max;
2892 }
2893 
2894 /* hns3_get_board_cfg: query the static parameter from NCL_config file in flash
2895  * @hw: pointer to struct hns3_hw
2896  * @hcfg: the config structure to be getted
2897  */
2898 static int
2899 hns3_get_board_cfg(struct hns3_hw *hw, struct hns3_cfg *hcfg)
2900 {
2901 	struct hns3_cmd_desc desc[HNS3_PF_CFG_DESC_NUM];
2902 	struct hns3_cfg_param_cmd *req;
2903 	uint32_t offset;
2904 	uint32_t i;
2905 	int ret;
2906 
2907 	for (i = 0; i < HNS3_PF_CFG_DESC_NUM; i++) {
2908 		offset = 0;
2909 		req = (struct hns3_cfg_param_cmd *)desc[i].data;
2910 		hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_GET_CFG_PARAM,
2911 					  true);
2912 		hns3_set_field(offset, HNS3_CFG_OFFSET_M, HNS3_CFG_OFFSET_S,
2913 			       i * HNS3_CFG_RD_LEN_BYTES);
2914 		/* Len should be divided by 4 when send to hardware */
2915 		hns3_set_field(offset, HNS3_CFG_RD_LEN_M, HNS3_CFG_RD_LEN_S,
2916 			       HNS3_CFG_RD_LEN_BYTES / HNS3_CFG_RD_LEN_UNIT);
2917 		req->offset = rte_cpu_to_le_32(offset);
2918 	}
2919 
2920 	ret = hns3_cmd_send(hw, desc, HNS3_PF_CFG_DESC_NUM);
2921 	if (ret) {
2922 		PMD_INIT_LOG(ERR, "get config failed %d.", ret);
2923 		return ret;
2924 	}
2925 
2926 	hns3_parse_cfg(hcfg, desc);
2927 
2928 	return 0;
2929 }
2930 
2931 static int
2932 hns3_parse_speed(int speed_cmd, uint32_t *speed)
2933 {
2934 	switch (speed_cmd) {
2935 	case HNS3_CFG_SPEED_10M:
2936 		*speed = ETH_SPEED_NUM_10M;
2937 		break;
2938 	case HNS3_CFG_SPEED_100M:
2939 		*speed = ETH_SPEED_NUM_100M;
2940 		break;
2941 	case HNS3_CFG_SPEED_1G:
2942 		*speed = ETH_SPEED_NUM_1G;
2943 		break;
2944 	case HNS3_CFG_SPEED_10G:
2945 		*speed = ETH_SPEED_NUM_10G;
2946 		break;
2947 	case HNS3_CFG_SPEED_25G:
2948 		*speed = ETH_SPEED_NUM_25G;
2949 		break;
2950 	case HNS3_CFG_SPEED_40G:
2951 		*speed = ETH_SPEED_NUM_40G;
2952 		break;
2953 	case HNS3_CFG_SPEED_50G:
2954 		*speed = ETH_SPEED_NUM_50G;
2955 		break;
2956 	case HNS3_CFG_SPEED_100G:
2957 		*speed = ETH_SPEED_NUM_100G;
2958 		break;
2959 	case HNS3_CFG_SPEED_200G:
2960 		*speed = ETH_SPEED_NUM_200G;
2961 		break;
2962 	default:
2963 		return -EINVAL;
2964 	}
2965 
2966 	return 0;
2967 }
2968 
2969 static void
2970 hns3_set_default_dev_specifications(struct hns3_hw *hw)
2971 {
2972 	hw->max_non_tso_bd_num = HNS3_MAX_NON_TSO_BD_PER_PKT;
2973 	hw->rss_ind_tbl_size = HNS3_RSS_IND_TBL_SIZE;
2974 	hw->rss_key_size = HNS3_RSS_KEY_SIZE;
2975 	hw->max_tm_rate = HNS3_ETHER_MAX_RATE;
2976 	hw->intr.int_ql_max = HNS3_INTR_QL_NONE;
2977 }
2978 
2979 static void
2980 hns3_parse_dev_specifications(struct hns3_hw *hw, struct hns3_cmd_desc *desc)
2981 {
2982 	struct hns3_dev_specs_0_cmd *req0;
2983 
2984 	req0 = (struct hns3_dev_specs_0_cmd *)desc[0].data;
2985 
2986 	hw->max_non_tso_bd_num = req0->max_non_tso_bd_num;
2987 	hw->rss_ind_tbl_size = rte_le_to_cpu_16(req0->rss_ind_tbl_size);
2988 	hw->rss_key_size = rte_le_to_cpu_16(req0->rss_key_size);
2989 	hw->max_tm_rate = rte_le_to_cpu_32(req0->max_tm_rate);
2990 	hw->intr.int_ql_max = rte_le_to_cpu_16(req0->intr_ql_max);
2991 }
2992 
2993 static int
2994 hns3_check_dev_specifications(struct hns3_hw *hw)
2995 {
2996 	if (hw->rss_ind_tbl_size == 0 ||
2997 	    hw->rss_ind_tbl_size > HNS3_RSS_IND_TBL_SIZE_MAX) {
2998 		hns3_err(hw, "the size of hash lookup table configured (%u)"
2999 			      " exceeds the maximum(%u)", hw->rss_ind_tbl_size,
3000 			      HNS3_RSS_IND_TBL_SIZE_MAX);
3001 		return -EINVAL;
3002 	}
3003 
3004 	return 0;
3005 }
3006 
3007 static int
3008 hns3_query_dev_specifications(struct hns3_hw *hw)
3009 {
3010 	struct hns3_cmd_desc desc[HNS3_QUERY_DEV_SPECS_BD_NUM];
3011 	int ret;
3012 	int i;
3013 
3014 	for (i = 0; i < HNS3_QUERY_DEV_SPECS_BD_NUM - 1; i++) {
3015 		hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_QUERY_DEV_SPECS,
3016 					  true);
3017 		desc[i].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
3018 	}
3019 	hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_QUERY_DEV_SPECS, true);
3020 
3021 	ret = hns3_cmd_send(hw, desc, HNS3_QUERY_DEV_SPECS_BD_NUM);
3022 	if (ret)
3023 		return ret;
3024 
3025 	hns3_parse_dev_specifications(hw, desc);
3026 
3027 	return hns3_check_dev_specifications(hw);
3028 }
3029 
3030 static int
3031 hns3_get_capability(struct hns3_hw *hw)
3032 {
3033 	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3034 	struct rte_pci_device *pci_dev;
3035 	struct hns3_pf *pf = &hns->pf;
3036 	struct rte_eth_dev *eth_dev;
3037 	uint16_t device_id;
3038 	uint8_t revision;
3039 	int ret;
3040 
3041 	eth_dev = &rte_eth_devices[hw->data->port_id];
3042 	pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
3043 	device_id = pci_dev->id.device_id;
3044 
3045 	if (device_id == HNS3_DEV_ID_25GE_RDMA ||
3046 	    device_id == HNS3_DEV_ID_50GE_RDMA ||
3047 	    device_id == HNS3_DEV_ID_100G_RDMA_MACSEC ||
3048 	    device_id == HNS3_DEV_ID_200G_RDMA)
3049 		hns3_set_bit(hw->capability, HNS3_DEV_SUPPORT_DCB_B, 1);
3050 
3051 	/* Get PCI revision id */
3052 	ret = rte_pci_read_config(pci_dev, &revision, HNS3_PCI_REVISION_ID_LEN,
3053 				  HNS3_PCI_REVISION_ID);
3054 	if (ret != HNS3_PCI_REVISION_ID_LEN) {
3055 		PMD_INIT_LOG(ERR, "failed to read pci revision id, ret = %d",
3056 			     ret);
3057 		return -EIO;
3058 	}
3059 	hw->revision = revision;
3060 
3061 	if (revision < PCI_REVISION_ID_HIP09_A) {
3062 		hns3_set_default_dev_specifications(hw);
3063 		hw->intr.mapping_mode = HNS3_INTR_MAPPING_VEC_RSV_ONE;
3064 		hw->intr.gl_unit = HNS3_INTR_COALESCE_GL_UINT_2US;
3065 		hw->tso_mode = HNS3_TSO_SW_CAL_PSEUDO_H_CSUM;
3066 		hw->vlan_mode = HNS3_SW_SHIFT_AND_DISCARD_MODE;
3067 		hw->min_tx_pkt_len = HNS3_HIP08_MIN_TX_PKT_LEN;
3068 		pf->tqp_config_mode = HNS3_FIXED_MAX_TQP_NUM_MODE;
3069 		hw->rss_info.ipv6_sctp_offload_supported = false;
3070 		return 0;
3071 	}
3072 
3073 	ret = hns3_query_dev_specifications(hw);
3074 	if (ret) {
3075 		PMD_INIT_LOG(ERR,
3076 			     "failed to query dev specifications, ret = %d",
3077 			     ret);
3078 		return ret;
3079 	}
3080 
3081 	hw->intr.mapping_mode = HNS3_INTR_MAPPING_VEC_ALL;
3082 	hw->intr.gl_unit = HNS3_INTR_COALESCE_GL_UINT_1US;
3083 	hw->tso_mode = HNS3_TSO_HW_CAL_PSEUDO_H_CSUM;
3084 	hw->vlan_mode = HNS3_HW_SHIFT_AND_DISCARD_MODE;
3085 	hw->min_tx_pkt_len = HNS3_HIP09_MIN_TX_PKT_LEN;
3086 	pf->tqp_config_mode = HNS3_FLEX_MAX_TQP_NUM_MODE;
3087 	hw->rss_info.ipv6_sctp_offload_supported = true;
3088 
3089 	return 0;
3090 }
3091 
3092 static int
3093 hns3_get_board_configuration(struct hns3_hw *hw)
3094 {
3095 	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3096 	struct hns3_pf *pf = &hns->pf;
3097 	struct hns3_cfg cfg;
3098 	int ret;
3099 
3100 	ret = hns3_get_board_cfg(hw, &cfg);
3101 	if (ret) {
3102 		PMD_INIT_LOG(ERR, "get board config failed %d", ret);
3103 		return ret;
3104 	}
3105 
3106 	if (cfg.media_type == HNS3_MEDIA_TYPE_COPPER &&
3107 	    !hns3_dev_copper_supported(hw)) {
3108 		PMD_INIT_LOG(ERR, "media type is copper, not supported.");
3109 		return -EOPNOTSUPP;
3110 	}
3111 
3112 	hw->mac.media_type = cfg.media_type;
3113 	hw->rss_size_max = cfg.rss_size_max;
3114 	hw->rss_dis_flag = false;
3115 	memcpy(hw->mac.mac_addr, cfg.mac_addr, RTE_ETHER_ADDR_LEN);
3116 	hw->mac.phy_addr = cfg.phy_addr;
3117 	hw->mac.default_addr_setted = false;
3118 	hw->num_tx_desc = cfg.tqp_desc_num;
3119 	hw->num_rx_desc = cfg.tqp_desc_num;
3120 	hw->dcb_info.num_pg = 1;
3121 	hw->dcb_info.hw_pfc_map = 0;
3122 
3123 	ret = hns3_parse_speed(cfg.default_speed, &hw->mac.link_speed);
3124 	if (ret) {
3125 		PMD_INIT_LOG(ERR, "Get wrong speed %u, ret = %d",
3126 			     cfg.default_speed, ret);
3127 		return ret;
3128 	}
3129 
3130 	pf->tc_max = cfg.tc_num;
3131 	if (pf->tc_max > HNS3_MAX_TC_NUM || pf->tc_max < 1) {
3132 		PMD_INIT_LOG(WARNING,
3133 			     "Get TC num(%u) from flash, set TC num to 1",
3134 			     pf->tc_max);
3135 		pf->tc_max = 1;
3136 	}
3137 
3138 	/* Dev does not support DCB */
3139 	if (!hns3_dev_dcb_supported(hw)) {
3140 		pf->tc_max = 1;
3141 		pf->pfc_max = 0;
3142 	} else
3143 		pf->pfc_max = pf->tc_max;
3144 
3145 	hw->dcb_info.num_tc = 1;
3146 	hw->alloc_rss_size = RTE_MIN(hw->rss_size_max,
3147 				     hw->tqps_num / hw->dcb_info.num_tc);
3148 	hns3_set_bit(hw->hw_tc_map, 0, 1);
3149 	pf->tx_sch_mode = HNS3_FLAG_TC_BASE_SCH_MODE;
3150 
3151 	pf->wanted_umv_size = cfg.umv_space;
3152 
3153 	return ret;
3154 }
3155 
3156 static int
3157 hns3_get_configuration(struct hns3_hw *hw)
3158 {
3159 	int ret;
3160 
3161 	ret = hns3_query_function_status(hw);
3162 	if (ret) {
3163 		PMD_INIT_LOG(ERR, "Failed to query function status: %d.", ret);
3164 		return ret;
3165 	}
3166 
3167 	/* Get device capability */
3168 	ret = hns3_get_capability(hw);
3169 	if (ret) {
3170 		PMD_INIT_LOG(ERR, "failed to get device capability: %d.", ret);
3171 		return ret;
3172 	}
3173 
3174 	/* Get pf resource */
3175 	ret = hns3_query_pf_resource(hw);
3176 	if (ret) {
3177 		PMD_INIT_LOG(ERR, "Failed to query pf resource: %d", ret);
3178 		return ret;
3179 	}
3180 
3181 	ret = hns3_get_board_configuration(hw);
3182 	if (ret) {
3183 		PMD_INIT_LOG(ERR, "failed to get board configuration: %d", ret);
3184 		return ret;
3185 	}
3186 
3187 	ret = hns3_query_dev_fec_info(hw);
3188 	if (ret)
3189 		PMD_INIT_LOG(ERR,
3190 			     "failed to query FEC information, ret = %d", ret);
3191 
3192 	return ret;
3193 }
3194 
3195 static int
3196 hns3_map_tqps_to_func(struct hns3_hw *hw, uint16_t func_id, uint16_t tqp_pid,
3197 		      uint16_t tqp_vid, bool is_pf)
3198 {
3199 	struct hns3_tqp_map_cmd *req;
3200 	struct hns3_cmd_desc desc;
3201 	int ret;
3202 
3203 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_SET_TQP_MAP, false);
3204 
3205 	req = (struct hns3_tqp_map_cmd *)desc.data;
3206 	req->tqp_id = rte_cpu_to_le_16(tqp_pid);
3207 	req->tqp_vf = func_id;
3208 	req->tqp_flag = 1 << HNS3_TQP_MAP_EN_B;
3209 	if (!is_pf)
3210 		req->tqp_flag |= (1 << HNS3_TQP_MAP_TYPE_B);
3211 	req->tqp_vid = rte_cpu_to_le_16(tqp_vid);
3212 
3213 	ret = hns3_cmd_send(hw, &desc, 1);
3214 	if (ret)
3215 		PMD_INIT_LOG(ERR, "TQP map failed %d", ret);
3216 
3217 	return ret;
3218 }
3219 
3220 static int
3221 hns3_map_tqp(struct hns3_hw *hw)
3222 {
3223 	int ret;
3224 	int i;
3225 
3226 	/*
3227 	 * In current version, VF is not supported when PF is driven by DPDK
3228 	 * driver, so we assign total tqps_num tqps allocated to this port
3229 	 * to PF.
3230 	 */
3231 	for (i = 0; i < hw->total_tqps_num; i++) {
3232 		ret = hns3_map_tqps_to_func(hw, HNS3_PF_FUNC_ID, i, i, true);
3233 		if (ret)
3234 			return ret;
3235 	}
3236 
3237 	return 0;
3238 }
3239 
3240 static int
3241 hns3_cfg_mac_speed_dup_hw(struct hns3_hw *hw, uint32_t speed, uint8_t duplex)
3242 {
3243 	struct hns3_config_mac_speed_dup_cmd *req;
3244 	struct hns3_cmd_desc desc;
3245 	int ret;
3246 
3247 	req = (struct hns3_config_mac_speed_dup_cmd *)desc.data;
3248 
3249 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_SPEED_DUP, false);
3250 
3251 	hns3_set_bit(req->speed_dup, HNS3_CFG_DUPLEX_B, !!duplex ? 1 : 0);
3252 
3253 	switch (speed) {
3254 	case ETH_SPEED_NUM_10M:
3255 		hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3256 			       HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_10M);
3257 		break;
3258 	case ETH_SPEED_NUM_100M:
3259 		hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3260 			       HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_100M);
3261 		break;
3262 	case ETH_SPEED_NUM_1G:
3263 		hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3264 			       HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_1G);
3265 		break;
3266 	case ETH_SPEED_NUM_10G:
3267 		hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3268 			       HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_10G);
3269 		break;
3270 	case ETH_SPEED_NUM_25G:
3271 		hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3272 			       HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_25G);
3273 		break;
3274 	case ETH_SPEED_NUM_40G:
3275 		hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3276 			       HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_40G);
3277 		break;
3278 	case ETH_SPEED_NUM_50G:
3279 		hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3280 			       HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_50G);
3281 		break;
3282 	case ETH_SPEED_NUM_100G:
3283 		hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3284 			       HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_100G);
3285 		break;
3286 	case ETH_SPEED_NUM_200G:
3287 		hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3288 			       HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_200G);
3289 		break;
3290 	default:
3291 		PMD_INIT_LOG(ERR, "invalid speed (%u)", speed);
3292 		return -EINVAL;
3293 	}
3294 
3295 	hns3_set_bit(req->mac_change_fec_en, HNS3_CFG_MAC_SPEED_CHANGE_EN_B, 1);
3296 
3297 	ret = hns3_cmd_send(hw, &desc, 1);
3298 	if (ret)
3299 		PMD_INIT_LOG(ERR, "mac speed/duplex config cmd failed %d", ret);
3300 
3301 	return ret;
3302 }
3303 
3304 static int
3305 hns3_tx_buffer_calc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3306 {
3307 	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3308 	struct hns3_pf *pf = &hns->pf;
3309 	struct hns3_priv_buf *priv;
3310 	uint32_t i, total_size;
3311 
3312 	total_size = pf->pkt_buf_size;
3313 
3314 	/* alloc tx buffer for all enabled tc */
3315 	for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3316 		priv = &buf_alloc->priv_buf[i];
3317 
3318 		if (hw->hw_tc_map & BIT(i)) {
3319 			if (total_size < pf->tx_buf_size)
3320 				return -ENOMEM;
3321 
3322 			priv->tx_buf_size = pf->tx_buf_size;
3323 		} else
3324 			priv->tx_buf_size = 0;
3325 
3326 		total_size -= priv->tx_buf_size;
3327 	}
3328 
3329 	return 0;
3330 }
3331 
3332 static int
3333 hns3_tx_buffer_alloc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3334 {
3335 /* TX buffer size is unit by 128 byte */
3336 #define HNS3_BUF_SIZE_UNIT_SHIFT	7
3337 #define HNS3_BUF_SIZE_UPDATE_EN_MSK	BIT(15)
3338 	struct hns3_tx_buff_alloc_cmd *req;
3339 	struct hns3_cmd_desc desc;
3340 	uint32_t buf_size;
3341 	uint32_t i;
3342 	int ret;
3343 
3344 	req = (struct hns3_tx_buff_alloc_cmd *)desc.data;
3345 
3346 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_TX_BUFF_ALLOC, 0);
3347 	for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3348 		buf_size = buf_alloc->priv_buf[i].tx_buf_size;
3349 
3350 		buf_size = buf_size >> HNS3_BUF_SIZE_UNIT_SHIFT;
3351 		req->tx_pkt_buff[i] = rte_cpu_to_le_16(buf_size |
3352 						HNS3_BUF_SIZE_UPDATE_EN_MSK);
3353 	}
3354 
3355 	ret = hns3_cmd_send(hw, &desc, 1);
3356 	if (ret)
3357 		PMD_INIT_LOG(ERR, "tx buffer alloc cmd failed %d", ret);
3358 
3359 	return ret;
3360 }
3361 
3362 static int
3363 hns3_get_tc_num(struct hns3_hw *hw)
3364 {
3365 	int cnt = 0;
3366 	uint8_t i;
3367 
3368 	for (i = 0; i < HNS3_MAX_TC_NUM; i++)
3369 		if (hw->hw_tc_map & BIT(i))
3370 			cnt++;
3371 	return cnt;
3372 }
3373 
3374 static uint32_t
3375 hns3_get_rx_priv_buff_alloced(struct hns3_pkt_buf_alloc *buf_alloc)
3376 {
3377 	struct hns3_priv_buf *priv;
3378 	uint32_t rx_priv = 0;
3379 	int i;
3380 
3381 	for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3382 		priv = &buf_alloc->priv_buf[i];
3383 		if (priv->enable)
3384 			rx_priv += priv->buf_size;
3385 	}
3386 	return rx_priv;
3387 }
3388 
3389 static uint32_t
3390 hns3_get_tx_buff_alloced(struct hns3_pkt_buf_alloc *buf_alloc)
3391 {
3392 	uint32_t total_tx_size = 0;
3393 	uint32_t i;
3394 
3395 	for (i = 0; i < HNS3_MAX_TC_NUM; i++)
3396 		total_tx_size += buf_alloc->priv_buf[i].tx_buf_size;
3397 
3398 	return total_tx_size;
3399 }
3400 
3401 /* Get the number of pfc enabled TCs, which have private buffer */
3402 static int
3403 hns3_get_pfc_priv_num(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3404 {
3405 	struct hns3_priv_buf *priv;
3406 	int cnt = 0;
3407 	uint8_t i;
3408 
3409 	for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3410 		priv = &buf_alloc->priv_buf[i];
3411 		if ((hw->dcb_info.hw_pfc_map & BIT(i)) && priv->enable)
3412 			cnt++;
3413 	}
3414 
3415 	return cnt;
3416 }
3417 
3418 /* Get the number of pfc disabled TCs, which have private buffer */
3419 static int
3420 hns3_get_no_pfc_priv_num(struct hns3_hw *hw,
3421 			 struct hns3_pkt_buf_alloc *buf_alloc)
3422 {
3423 	struct hns3_priv_buf *priv;
3424 	int cnt = 0;
3425 	uint8_t i;
3426 
3427 	for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3428 		priv = &buf_alloc->priv_buf[i];
3429 		if (hw->hw_tc_map & BIT(i) &&
3430 		    !(hw->dcb_info.hw_pfc_map & BIT(i)) && priv->enable)
3431 			cnt++;
3432 	}
3433 
3434 	return cnt;
3435 }
3436 
3437 static bool
3438 hns3_is_rx_buf_ok(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc,
3439 		  uint32_t rx_all)
3440 {
3441 	uint32_t shared_buf_min, shared_buf_tc, shared_std, hi_thrd, lo_thrd;
3442 	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3443 	struct hns3_pf *pf = &hns->pf;
3444 	uint32_t shared_buf, aligned_mps;
3445 	uint32_t rx_priv;
3446 	uint8_t tc_num;
3447 	uint8_t i;
3448 
3449 	tc_num = hns3_get_tc_num(hw);
3450 	aligned_mps = roundup(pf->mps, HNS3_BUF_SIZE_UNIT);
3451 
3452 	if (hns3_dev_dcb_supported(hw))
3453 		shared_buf_min = HNS3_BUF_MUL_BY * aligned_mps +
3454 					pf->dv_buf_size;
3455 	else
3456 		shared_buf_min = aligned_mps + HNS3_NON_DCB_ADDITIONAL_BUF
3457 					+ pf->dv_buf_size;
3458 
3459 	shared_buf_tc = tc_num * aligned_mps + aligned_mps;
3460 	shared_std = roundup(RTE_MAX(shared_buf_min, shared_buf_tc),
3461 			     HNS3_BUF_SIZE_UNIT);
3462 
3463 	rx_priv = hns3_get_rx_priv_buff_alloced(buf_alloc);
3464 	if (rx_all < rx_priv + shared_std)
3465 		return false;
3466 
3467 	shared_buf = rounddown(rx_all - rx_priv, HNS3_BUF_SIZE_UNIT);
3468 	buf_alloc->s_buf.buf_size = shared_buf;
3469 	if (hns3_dev_dcb_supported(hw)) {
3470 		buf_alloc->s_buf.self.high = shared_buf - pf->dv_buf_size;
3471 		buf_alloc->s_buf.self.low = buf_alloc->s_buf.self.high
3472 			- roundup(aligned_mps / HNS3_BUF_DIV_BY,
3473 				  HNS3_BUF_SIZE_UNIT);
3474 	} else {
3475 		buf_alloc->s_buf.self.high =
3476 			aligned_mps + HNS3_NON_DCB_ADDITIONAL_BUF;
3477 		buf_alloc->s_buf.self.low = aligned_mps;
3478 	}
3479 
3480 	if (hns3_dev_dcb_supported(hw)) {
3481 		hi_thrd = shared_buf - pf->dv_buf_size;
3482 
3483 		if (tc_num <= NEED_RESERVE_TC_NUM)
3484 			hi_thrd = hi_thrd * BUF_RESERVE_PERCENT /
3485 				  BUF_MAX_PERCENT;
3486 
3487 		if (tc_num)
3488 			hi_thrd = hi_thrd / tc_num;
3489 
3490 		hi_thrd = RTE_MAX(hi_thrd, HNS3_BUF_MUL_BY * aligned_mps);
3491 		hi_thrd = rounddown(hi_thrd, HNS3_BUF_SIZE_UNIT);
3492 		lo_thrd = hi_thrd - aligned_mps / HNS3_BUF_DIV_BY;
3493 	} else {
3494 		hi_thrd = aligned_mps + HNS3_NON_DCB_ADDITIONAL_BUF;
3495 		lo_thrd = aligned_mps;
3496 	}
3497 
3498 	for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3499 		buf_alloc->s_buf.tc_thrd[i].low = lo_thrd;
3500 		buf_alloc->s_buf.tc_thrd[i].high = hi_thrd;
3501 	}
3502 
3503 	return true;
3504 }
3505 
3506 static bool
3507 hns3_rx_buf_calc_all(struct hns3_hw *hw, bool max,
3508 		     struct hns3_pkt_buf_alloc *buf_alloc)
3509 {
3510 	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3511 	struct hns3_pf *pf = &hns->pf;
3512 	struct hns3_priv_buf *priv;
3513 	uint32_t aligned_mps;
3514 	uint32_t rx_all;
3515 	uint8_t i;
3516 
3517 	rx_all = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
3518 	aligned_mps = roundup(pf->mps, HNS3_BUF_SIZE_UNIT);
3519 
3520 	for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3521 		priv = &buf_alloc->priv_buf[i];
3522 
3523 		priv->enable = 0;
3524 		priv->wl.low = 0;
3525 		priv->wl.high = 0;
3526 		priv->buf_size = 0;
3527 
3528 		if (!(hw->hw_tc_map & BIT(i)))
3529 			continue;
3530 
3531 		priv->enable = 1;
3532 		if (hw->dcb_info.hw_pfc_map & BIT(i)) {
3533 			priv->wl.low = max ? aligned_mps : HNS3_BUF_SIZE_UNIT;
3534 			priv->wl.high = roundup(priv->wl.low + aligned_mps,
3535 						HNS3_BUF_SIZE_UNIT);
3536 		} else {
3537 			priv->wl.low = 0;
3538 			priv->wl.high = max ? (aligned_mps * HNS3_BUF_MUL_BY) :
3539 					aligned_mps;
3540 		}
3541 
3542 		priv->buf_size = priv->wl.high + pf->dv_buf_size;
3543 	}
3544 
3545 	return hns3_is_rx_buf_ok(hw, buf_alloc, rx_all);
3546 }
3547 
3548 static bool
3549 hns3_drop_nopfc_buf_till_fit(struct hns3_hw *hw,
3550 			     struct hns3_pkt_buf_alloc *buf_alloc)
3551 {
3552 	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3553 	struct hns3_pf *pf = &hns->pf;
3554 	struct hns3_priv_buf *priv;
3555 	int no_pfc_priv_num;
3556 	uint32_t rx_all;
3557 	uint8_t mask;
3558 	int i;
3559 
3560 	rx_all = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
3561 	no_pfc_priv_num = hns3_get_no_pfc_priv_num(hw, buf_alloc);
3562 
3563 	/* let the last to be cleared first */
3564 	for (i = HNS3_MAX_TC_NUM - 1; i >= 0; i--) {
3565 		priv = &buf_alloc->priv_buf[i];
3566 		mask = BIT((uint8_t)i);
3567 
3568 		if (hw->hw_tc_map & mask &&
3569 		    !(hw->dcb_info.hw_pfc_map & mask)) {
3570 			/* Clear the no pfc TC private buffer */
3571 			priv->wl.low = 0;
3572 			priv->wl.high = 0;
3573 			priv->buf_size = 0;
3574 			priv->enable = 0;
3575 			no_pfc_priv_num--;
3576 		}
3577 
3578 		if (hns3_is_rx_buf_ok(hw, buf_alloc, rx_all) ||
3579 		    no_pfc_priv_num == 0)
3580 			break;
3581 	}
3582 
3583 	return hns3_is_rx_buf_ok(hw, buf_alloc, rx_all);
3584 }
3585 
3586 static bool
3587 hns3_drop_pfc_buf_till_fit(struct hns3_hw *hw,
3588 			   struct hns3_pkt_buf_alloc *buf_alloc)
3589 {
3590 	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3591 	struct hns3_pf *pf = &hns->pf;
3592 	struct hns3_priv_buf *priv;
3593 	uint32_t rx_all;
3594 	int pfc_priv_num;
3595 	uint8_t mask;
3596 	int i;
3597 
3598 	rx_all = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
3599 	pfc_priv_num = hns3_get_pfc_priv_num(hw, buf_alloc);
3600 
3601 	/* let the last to be cleared first */
3602 	for (i = HNS3_MAX_TC_NUM - 1; i >= 0; i--) {
3603 		priv = &buf_alloc->priv_buf[i];
3604 		mask = BIT((uint8_t)i);
3605 		if (hw->hw_tc_map & mask && hw->dcb_info.hw_pfc_map & mask) {
3606 			/* Reduce the number of pfc TC with private buffer */
3607 			priv->wl.low = 0;
3608 			priv->enable = 0;
3609 			priv->wl.high = 0;
3610 			priv->buf_size = 0;
3611 			pfc_priv_num--;
3612 		}
3613 		if (hns3_is_rx_buf_ok(hw, buf_alloc, rx_all) ||
3614 		    pfc_priv_num == 0)
3615 			break;
3616 	}
3617 
3618 	return hns3_is_rx_buf_ok(hw, buf_alloc, rx_all);
3619 }
3620 
3621 static bool
3622 hns3_only_alloc_priv_buff(struct hns3_hw *hw,
3623 			  struct hns3_pkt_buf_alloc *buf_alloc)
3624 {
3625 #define COMPENSATE_BUFFER	0x3C00
3626 #define COMPENSATE_HALF_MPS_NUM	5
3627 #define PRIV_WL_GAP		0x1800
3628 	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3629 	struct hns3_pf *pf = &hns->pf;
3630 	uint32_t tc_num = hns3_get_tc_num(hw);
3631 	uint32_t half_mps = pf->mps >> 1;
3632 	struct hns3_priv_buf *priv;
3633 	uint32_t min_rx_priv;
3634 	uint32_t rx_priv;
3635 	uint8_t i;
3636 
3637 	rx_priv = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
3638 	if (tc_num)
3639 		rx_priv = rx_priv / tc_num;
3640 
3641 	if (tc_num <= NEED_RESERVE_TC_NUM)
3642 		rx_priv = rx_priv * BUF_RESERVE_PERCENT / BUF_MAX_PERCENT;
3643 
3644 	/*
3645 	 * Minimum value of private buffer in rx direction (min_rx_priv) is
3646 	 * equal to "DV + 2.5 * MPS + 15KB". Driver only allocates rx private
3647 	 * buffer if rx_priv is greater than min_rx_priv.
3648 	 */
3649 	min_rx_priv = pf->dv_buf_size + COMPENSATE_BUFFER +
3650 			COMPENSATE_HALF_MPS_NUM * half_mps;
3651 	min_rx_priv = roundup(min_rx_priv, HNS3_BUF_SIZE_UNIT);
3652 	rx_priv = rounddown(rx_priv, HNS3_BUF_SIZE_UNIT);
3653 
3654 	if (rx_priv < min_rx_priv)
3655 		return false;
3656 
3657 	for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3658 		priv = &buf_alloc->priv_buf[i];
3659 		priv->enable = 0;
3660 		priv->wl.low = 0;
3661 		priv->wl.high = 0;
3662 		priv->buf_size = 0;
3663 
3664 		if (!(hw->hw_tc_map & BIT(i)))
3665 			continue;
3666 
3667 		priv->enable = 1;
3668 		priv->buf_size = rx_priv;
3669 		priv->wl.high = rx_priv - pf->dv_buf_size;
3670 		priv->wl.low = priv->wl.high - PRIV_WL_GAP;
3671 	}
3672 
3673 	buf_alloc->s_buf.buf_size = 0;
3674 
3675 	return true;
3676 }
3677 
3678 /*
3679  * hns3_rx_buffer_calc: calculate the rx private buffer size for all TCs
3680  * @hw: pointer to struct hns3_hw
3681  * @buf_alloc: pointer to buffer calculation data
3682  * @return: 0: calculate sucessful, negative: fail
3683  */
3684 static int
3685 hns3_rx_buffer_calc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3686 {
3687 	/* When DCB is not supported, rx private buffer is not allocated. */
3688 	if (!hns3_dev_dcb_supported(hw)) {
3689 		struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3690 		struct hns3_pf *pf = &hns->pf;
3691 		uint32_t rx_all = pf->pkt_buf_size;
3692 
3693 		rx_all -= hns3_get_tx_buff_alloced(buf_alloc);
3694 		if (!hns3_is_rx_buf_ok(hw, buf_alloc, rx_all))
3695 			return -ENOMEM;
3696 
3697 		return 0;
3698 	}
3699 
3700 	/*
3701 	 * Try to allocate privated packet buffer for all TCs without share
3702 	 * buffer.
3703 	 */
3704 	if (hns3_only_alloc_priv_buff(hw, buf_alloc))
3705 		return 0;
3706 
3707 	/*
3708 	 * Try to allocate privated packet buffer for all TCs with share
3709 	 * buffer.
3710 	 */
3711 	if (hns3_rx_buf_calc_all(hw, true, buf_alloc))
3712 		return 0;
3713 
3714 	/*
3715 	 * For different application scenes, the enabled port number, TC number
3716 	 * and no_drop TC number are different. In order to obtain the better
3717 	 * performance, software could allocate the buffer size and configure
3718 	 * the waterline by tring to decrease the private buffer size according
3719 	 * to the order, namely, waterline of valided tc, pfc disabled tc, pfc
3720 	 * enabled tc.
3721 	 */
3722 	if (hns3_rx_buf_calc_all(hw, false, buf_alloc))
3723 		return 0;
3724 
3725 	if (hns3_drop_nopfc_buf_till_fit(hw, buf_alloc))
3726 		return 0;
3727 
3728 	if (hns3_drop_pfc_buf_till_fit(hw, buf_alloc))
3729 		return 0;
3730 
3731 	return -ENOMEM;
3732 }
3733 
3734 static int
3735 hns3_rx_priv_buf_alloc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3736 {
3737 	struct hns3_rx_priv_buff_cmd *req;
3738 	struct hns3_cmd_desc desc;
3739 	uint32_t buf_size;
3740 	int ret;
3741 	int i;
3742 
3743 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RX_PRIV_BUFF_ALLOC, false);
3744 	req = (struct hns3_rx_priv_buff_cmd *)desc.data;
3745 
3746 	/* Alloc private buffer TCs */
3747 	for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3748 		struct hns3_priv_buf *priv = &buf_alloc->priv_buf[i];
3749 
3750 		req->buf_num[i] =
3751 			rte_cpu_to_le_16(priv->buf_size >> HNS3_BUF_UNIT_S);
3752 		req->buf_num[i] |= rte_cpu_to_le_16(1 << HNS3_TC0_PRI_BUF_EN_B);
3753 	}
3754 
3755 	buf_size = buf_alloc->s_buf.buf_size;
3756 	req->shared_buf = rte_cpu_to_le_16((buf_size >> HNS3_BUF_UNIT_S) |
3757 					   (1 << HNS3_TC0_PRI_BUF_EN_B));
3758 
3759 	ret = hns3_cmd_send(hw, &desc, 1);
3760 	if (ret)
3761 		PMD_INIT_LOG(ERR, "rx private buffer alloc cmd failed %d", ret);
3762 
3763 	return ret;
3764 }
3765 
3766 static int
3767 hns3_rx_priv_wl_config(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3768 {
3769 #define HNS3_RX_PRIV_WL_ALLOC_DESC_NUM 2
3770 	struct hns3_rx_priv_wl_buf *req;
3771 	struct hns3_priv_buf *priv;
3772 	struct hns3_cmd_desc desc[HNS3_RX_PRIV_WL_ALLOC_DESC_NUM];
3773 	int i, j;
3774 	int ret;
3775 
3776 	for (i = 0; i < HNS3_RX_PRIV_WL_ALLOC_DESC_NUM; i++) {
3777 		hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_RX_PRIV_WL_ALLOC,
3778 					  false);
3779 		req = (struct hns3_rx_priv_wl_buf *)desc[i].data;
3780 
3781 		/* The first descriptor set the NEXT bit to 1 */
3782 		if (i == 0)
3783 			desc[i].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
3784 		else
3785 			desc[i].flag &= ~rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
3786 
3787 		for (j = 0; j < HNS3_TC_NUM_ONE_DESC; j++) {
3788 			uint32_t idx = i * HNS3_TC_NUM_ONE_DESC + j;
3789 
3790 			priv = &buf_alloc->priv_buf[idx];
3791 			req->tc_wl[j].high = rte_cpu_to_le_16(priv->wl.high >>
3792 							HNS3_BUF_UNIT_S);
3793 			req->tc_wl[j].high |=
3794 				rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3795 			req->tc_wl[j].low = rte_cpu_to_le_16(priv->wl.low >>
3796 							HNS3_BUF_UNIT_S);
3797 			req->tc_wl[j].low |=
3798 				rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3799 		}
3800 	}
3801 
3802 	/* Send 2 descriptor at one time */
3803 	ret = hns3_cmd_send(hw, desc, HNS3_RX_PRIV_WL_ALLOC_DESC_NUM);
3804 	if (ret)
3805 		PMD_INIT_LOG(ERR, "rx private waterline config cmd failed %d",
3806 			     ret);
3807 	return ret;
3808 }
3809 
3810 static int
3811 hns3_common_thrd_config(struct hns3_hw *hw,
3812 			struct hns3_pkt_buf_alloc *buf_alloc)
3813 {
3814 #define HNS3_RX_COM_THRD_ALLOC_DESC_NUM 2
3815 	struct hns3_shared_buf *s_buf = &buf_alloc->s_buf;
3816 	struct hns3_rx_com_thrd *req;
3817 	struct hns3_cmd_desc desc[HNS3_RX_COM_THRD_ALLOC_DESC_NUM];
3818 	struct hns3_tc_thrd *tc;
3819 	int tc_idx;
3820 	int i, j;
3821 	int ret;
3822 
3823 	for (i = 0; i < HNS3_RX_COM_THRD_ALLOC_DESC_NUM; i++) {
3824 		hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_RX_COM_THRD_ALLOC,
3825 					  false);
3826 		req = (struct hns3_rx_com_thrd *)&desc[i].data;
3827 
3828 		/* The first descriptor set the NEXT bit to 1 */
3829 		if (i == 0)
3830 			desc[i].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
3831 		else
3832 			desc[i].flag &= ~rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
3833 
3834 		for (j = 0; j < HNS3_TC_NUM_ONE_DESC; j++) {
3835 			tc_idx = i * HNS3_TC_NUM_ONE_DESC + j;
3836 			tc = &s_buf->tc_thrd[tc_idx];
3837 
3838 			req->com_thrd[j].high =
3839 				rte_cpu_to_le_16(tc->high >> HNS3_BUF_UNIT_S);
3840 			req->com_thrd[j].high |=
3841 				 rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3842 			req->com_thrd[j].low =
3843 				rte_cpu_to_le_16(tc->low >> HNS3_BUF_UNIT_S);
3844 			req->com_thrd[j].low |=
3845 				 rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3846 		}
3847 	}
3848 
3849 	/* Send 2 descriptors at one time */
3850 	ret = hns3_cmd_send(hw, desc, HNS3_RX_COM_THRD_ALLOC_DESC_NUM);
3851 	if (ret)
3852 		PMD_INIT_LOG(ERR, "common threshold config cmd failed %d", ret);
3853 
3854 	return ret;
3855 }
3856 
3857 static int
3858 hns3_common_wl_config(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3859 {
3860 	struct hns3_shared_buf *buf = &buf_alloc->s_buf;
3861 	struct hns3_rx_com_wl *req;
3862 	struct hns3_cmd_desc desc;
3863 	int ret;
3864 
3865 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RX_COM_WL_ALLOC, false);
3866 
3867 	req = (struct hns3_rx_com_wl *)desc.data;
3868 	req->com_wl.high = rte_cpu_to_le_16(buf->self.high >> HNS3_BUF_UNIT_S);
3869 	req->com_wl.high |= rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3870 
3871 	req->com_wl.low = rte_cpu_to_le_16(buf->self.low >> HNS3_BUF_UNIT_S);
3872 	req->com_wl.low |= rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3873 
3874 	ret = hns3_cmd_send(hw, &desc, 1);
3875 	if (ret)
3876 		PMD_INIT_LOG(ERR, "common waterline config cmd failed %d", ret);
3877 
3878 	return ret;
3879 }
3880 
3881 int
3882 hns3_buffer_alloc(struct hns3_hw *hw)
3883 {
3884 	struct hns3_pkt_buf_alloc pkt_buf;
3885 	int ret;
3886 
3887 	memset(&pkt_buf, 0, sizeof(pkt_buf));
3888 	ret = hns3_tx_buffer_calc(hw, &pkt_buf);
3889 	if (ret) {
3890 		PMD_INIT_LOG(ERR,
3891 			     "could not calc tx buffer size for all TCs %d",
3892 			     ret);
3893 		return ret;
3894 	}
3895 
3896 	ret = hns3_tx_buffer_alloc(hw, &pkt_buf);
3897 	if (ret) {
3898 		PMD_INIT_LOG(ERR, "could not alloc tx buffers %d", ret);
3899 		return ret;
3900 	}
3901 
3902 	ret = hns3_rx_buffer_calc(hw, &pkt_buf);
3903 	if (ret) {
3904 		PMD_INIT_LOG(ERR,
3905 			     "could not calc rx priv buffer size for all TCs %d",
3906 			     ret);
3907 		return ret;
3908 	}
3909 
3910 	ret = hns3_rx_priv_buf_alloc(hw, &pkt_buf);
3911 	if (ret) {
3912 		PMD_INIT_LOG(ERR, "could not alloc rx priv buffer %d", ret);
3913 		return ret;
3914 	}
3915 
3916 	if (hns3_dev_dcb_supported(hw)) {
3917 		ret = hns3_rx_priv_wl_config(hw, &pkt_buf);
3918 		if (ret) {
3919 			PMD_INIT_LOG(ERR,
3920 				     "could not configure rx private waterline %d",
3921 				     ret);
3922 			return ret;
3923 		}
3924 
3925 		ret = hns3_common_thrd_config(hw, &pkt_buf);
3926 		if (ret) {
3927 			PMD_INIT_LOG(ERR,
3928 				     "could not configure common threshold %d",
3929 				     ret);
3930 			return ret;
3931 		}
3932 	}
3933 
3934 	ret = hns3_common_wl_config(hw, &pkt_buf);
3935 	if (ret)
3936 		PMD_INIT_LOG(ERR, "could not configure common waterline %d",
3937 			     ret);
3938 
3939 	return ret;
3940 }
3941 
3942 static int
3943 hns3_firmware_compat_config(struct hns3_hw *hw, bool is_init)
3944 {
3945 	struct hns3_firmware_compat_cmd *req;
3946 	struct hns3_cmd_desc desc;
3947 	uint32_t compat = 0;
3948 
3949 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_FIRMWARE_COMPAT_CFG, false);
3950 	req = (struct hns3_firmware_compat_cmd *)desc.data;
3951 
3952 	if (is_init) {
3953 		hns3_set_bit(compat, HNS3_LINK_EVENT_REPORT_EN_B, 1);
3954 		hns3_set_bit(compat, HNS3_NCSI_ERROR_REPORT_EN_B, 0);
3955 	}
3956 
3957 	req->compat = rte_cpu_to_le_32(compat);
3958 
3959 	return hns3_cmd_send(hw, &desc, 1);
3960 }
3961 
3962 static int
3963 hns3_mac_init(struct hns3_hw *hw)
3964 {
3965 	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3966 	struct hns3_mac *mac = &hw->mac;
3967 	struct hns3_pf *pf = &hns->pf;
3968 	int ret;
3969 
3970 	pf->support_sfp_query = true;
3971 	mac->link_duplex = ETH_LINK_FULL_DUPLEX;
3972 	ret = hns3_cfg_mac_speed_dup_hw(hw, mac->link_speed, mac->link_duplex);
3973 	if (ret) {
3974 		PMD_INIT_LOG(ERR, "Config mac speed dup fail ret = %d", ret);
3975 		return ret;
3976 	}
3977 
3978 	mac->link_status = ETH_LINK_DOWN;
3979 
3980 	return hns3_config_mtu(hw, pf->mps);
3981 }
3982 
3983 static int
3984 hns3_get_mac_ethertype_cmd_status(uint16_t cmdq_resp, uint8_t resp_code)
3985 {
3986 #define HNS3_ETHERTYPE_SUCCESS_ADD		0
3987 #define HNS3_ETHERTYPE_ALREADY_ADD		1
3988 #define HNS3_ETHERTYPE_MGR_TBL_OVERFLOW		2
3989 #define HNS3_ETHERTYPE_KEY_CONFLICT		3
3990 	int return_status;
3991 
3992 	if (cmdq_resp) {
3993 		PMD_INIT_LOG(ERR,
3994 			     "cmdq execute failed for get_mac_ethertype_cmd_status, status=%u.\n",
3995 			     cmdq_resp);
3996 		return -EIO;
3997 	}
3998 
3999 	switch (resp_code) {
4000 	case HNS3_ETHERTYPE_SUCCESS_ADD:
4001 	case HNS3_ETHERTYPE_ALREADY_ADD:
4002 		return_status = 0;
4003 		break;
4004 	case HNS3_ETHERTYPE_MGR_TBL_OVERFLOW:
4005 		PMD_INIT_LOG(ERR,
4006 			     "add mac ethertype failed for manager table overflow.");
4007 		return_status = -EIO;
4008 		break;
4009 	case HNS3_ETHERTYPE_KEY_CONFLICT:
4010 		PMD_INIT_LOG(ERR, "add mac ethertype failed for key conflict.");
4011 		return_status = -EIO;
4012 		break;
4013 	default:
4014 		PMD_INIT_LOG(ERR,
4015 			     "add mac ethertype failed for undefined, code=%u.",
4016 			     resp_code);
4017 		return_status = -EIO;
4018 		break;
4019 	}
4020 
4021 	return return_status;
4022 }
4023 
4024 static int
4025 hns3_add_mgr_tbl(struct hns3_hw *hw,
4026 		 const struct hns3_mac_mgr_tbl_entry_cmd *req)
4027 {
4028 	struct hns3_cmd_desc desc;
4029 	uint8_t resp_code;
4030 	uint16_t retval;
4031 	int ret;
4032 
4033 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_ETHTYPE_ADD, false);
4034 	memcpy(desc.data, req, sizeof(struct hns3_mac_mgr_tbl_entry_cmd));
4035 
4036 	ret = hns3_cmd_send(hw, &desc, 1);
4037 	if (ret) {
4038 		PMD_INIT_LOG(ERR,
4039 			     "add mac ethertype failed for cmd_send, ret =%d.",
4040 			     ret);
4041 		return ret;
4042 	}
4043 
4044 	resp_code = (rte_le_to_cpu_32(desc.data[0]) >> 8) & 0xff;
4045 	retval = rte_le_to_cpu_16(desc.retval);
4046 
4047 	return hns3_get_mac_ethertype_cmd_status(retval, resp_code);
4048 }
4049 
4050 static void
4051 hns3_prepare_mgr_tbl(struct hns3_mac_mgr_tbl_entry_cmd *mgr_table,
4052 		     int *table_item_num)
4053 {
4054 	struct hns3_mac_mgr_tbl_entry_cmd *tbl;
4055 
4056 	/*
4057 	 * In current version, we add one item in management table as below:
4058 	 * 0x0180C200000E -- LLDP MC address
4059 	 */
4060 	tbl = mgr_table;
4061 	tbl->flags = HNS3_MAC_MGR_MASK_VLAN_B;
4062 	tbl->ethter_type = rte_cpu_to_le_16(HNS3_MAC_ETHERTYPE_LLDP);
4063 	tbl->mac_addr_hi32 = rte_cpu_to_le_32(htonl(0x0180C200));
4064 	tbl->mac_addr_lo16 = rte_cpu_to_le_16(htons(0x000E));
4065 	tbl->i_port_bitmap = 0x1;
4066 	*table_item_num = 1;
4067 }
4068 
4069 static int
4070 hns3_init_mgr_tbl(struct hns3_hw *hw)
4071 {
4072 #define HNS_MAC_MGR_TBL_MAX_SIZE	16
4073 	struct hns3_mac_mgr_tbl_entry_cmd mgr_table[HNS_MAC_MGR_TBL_MAX_SIZE];
4074 	int table_item_num;
4075 	int ret;
4076 	int i;
4077 
4078 	memset(mgr_table, 0, sizeof(mgr_table));
4079 	hns3_prepare_mgr_tbl(mgr_table, &table_item_num);
4080 	for (i = 0; i < table_item_num; i++) {
4081 		ret = hns3_add_mgr_tbl(hw, &mgr_table[i]);
4082 		if (ret) {
4083 			PMD_INIT_LOG(ERR, "add mac ethertype failed, ret =%d",
4084 				     ret);
4085 			return ret;
4086 		}
4087 	}
4088 
4089 	return 0;
4090 }
4091 
4092 static void
4093 hns3_promisc_param_init(struct hns3_promisc_param *param, bool en_uc,
4094 			bool en_mc, bool en_bc, int vport_id)
4095 {
4096 	if (!param)
4097 		return;
4098 
4099 	memset(param, 0, sizeof(struct hns3_promisc_param));
4100 	if (en_uc)
4101 		param->enable = HNS3_PROMISC_EN_UC;
4102 	if (en_mc)
4103 		param->enable |= HNS3_PROMISC_EN_MC;
4104 	if (en_bc)
4105 		param->enable |= HNS3_PROMISC_EN_BC;
4106 	param->vf_id = vport_id;
4107 }
4108 
4109 static int
4110 hns3_cmd_set_promisc_mode(struct hns3_hw *hw, struct hns3_promisc_param *param)
4111 {
4112 	struct hns3_promisc_cfg_cmd *req;
4113 	struct hns3_cmd_desc desc;
4114 	int ret;
4115 
4116 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CFG_PROMISC_MODE, false);
4117 
4118 	req = (struct hns3_promisc_cfg_cmd *)desc.data;
4119 	req->vf_id = param->vf_id;
4120 	req->flag = (param->enable << HNS3_PROMISC_EN_B) |
4121 	    HNS3_PROMISC_TX_EN_B | HNS3_PROMISC_RX_EN_B;
4122 
4123 	ret = hns3_cmd_send(hw, &desc, 1);
4124 	if (ret)
4125 		PMD_INIT_LOG(ERR, "Set promisc mode fail, ret = %d", ret);
4126 
4127 	return ret;
4128 }
4129 
4130 static int
4131 hns3_set_promisc_mode(struct hns3_hw *hw, bool en_uc_pmc, bool en_mc_pmc)
4132 {
4133 	struct hns3_promisc_param param;
4134 	bool en_bc_pmc = true;
4135 	uint8_t vf_id;
4136 
4137 	/*
4138 	 * In current version VF is not supported when PF is driven by DPDK
4139 	 * driver, just need to configure parameters for PF vport.
4140 	 */
4141 	vf_id = HNS3_PF_FUNC_ID;
4142 
4143 	hns3_promisc_param_init(&param, en_uc_pmc, en_mc_pmc, en_bc_pmc, vf_id);
4144 	return hns3_cmd_set_promisc_mode(hw, &param);
4145 }
4146 
4147 static int
4148 hns3_promisc_init(struct hns3_hw *hw)
4149 {
4150 	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
4151 	struct hns3_pf *pf = &hns->pf;
4152 	struct hns3_promisc_param param;
4153 	uint16_t func_id;
4154 	int ret;
4155 
4156 	ret = hns3_set_promisc_mode(hw, false, false);
4157 	if (ret) {
4158 		PMD_INIT_LOG(ERR, "failed to set promisc mode, ret = %d", ret);
4159 		return ret;
4160 	}
4161 
4162 	/*
4163 	 * In current version VFs are not supported when PF is driven by DPDK
4164 	 * driver. After PF has been taken over by DPDK, the original VF will
4165 	 * be invalid. So, there is a possibility of entry residues. It should
4166 	 * clear VFs's promisc mode to avoid unnecessary bandwidth usage
4167 	 * during init.
4168 	 */
4169 	for (func_id = HNS3_1ST_VF_FUNC_ID; func_id < pf->func_num; func_id++) {
4170 		hns3_promisc_param_init(&param, false, false, false, func_id);
4171 		ret = hns3_cmd_set_promisc_mode(hw, &param);
4172 		if (ret) {
4173 			PMD_INIT_LOG(ERR, "failed to clear vf:%u promisc mode,"
4174 					" ret = %d", func_id, ret);
4175 			return ret;
4176 		}
4177 	}
4178 
4179 	return 0;
4180 }
4181 
4182 static void
4183 hns3_promisc_uninit(struct hns3_hw *hw)
4184 {
4185 	struct hns3_promisc_param param;
4186 	uint16_t func_id;
4187 	int ret;
4188 
4189 	func_id = HNS3_PF_FUNC_ID;
4190 
4191 	/*
4192 	 * In current version VFs are not supported when PF is driven by
4193 	 * DPDK driver, and VFs' promisc mode status has been cleared during
4194 	 * init and their status will not change. So just clear PF's promisc
4195 	 * mode status during uninit.
4196 	 */
4197 	hns3_promisc_param_init(&param, false, false, false, func_id);
4198 	ret = hns3_cmd_set_promisc_mode(hw, &param);
4199 	if (ret)
4200 		PMD_INIT_LOG(ERR, "failed to clear promisc status during"
4201 				" uninit, ret = %d", ret);
4202 }
4203 
4204 static int
4205 hns3_dev_promiscuous_enable(struct rte_eth_dev *dev)
4206 {
4207 	bool allmulti = dev->data->all_multicast ? true : false;
4208 	struct hns3_adapter *hns = dev->data->dev_private;
4209 	struct hns3_hw *hw = &hns->hw;
4210 	uint64_t offloads;
4211 	int err;
4212 	int ret;
4213 
4214 	rte_spinlock_lock(&hw->lock);
4215 	ret = hns3_set_promisc_mode(hw, true, true);
4216 	if (ret) {
4217 		rte_spinlock_unlock(&hw->lock);
4218 		hns3_err(hw, "failed to enable promiscuous mode, ret = %d",
4219 			 ret);
4220 		return ret;
4221 	}
4222 
4223 	/*
4224 	 * When promiscuous mode was enabled, disable the vlan filter to let
4225 	 * all packets coming in in the receiving direction.
4226 	 */
4227 	offloads = dev->data->dev_conf.rxmode.offloads;
4228 	if (offloads & DEV_RX_OFFLOAD_VLAN_FILTER) {
4229 		ret = hns3_enable_vlan_filter(hns, false);
4230 		if (ret) {
4231 			hns3_err(hw, "failed to enable promiscuous mode due to "
4232 				     "failure to disable vlan filter, ret = %d",
4233 				 ret);
4234 			err = hns3_set_promisc_mode(hw, false, allmulti);
4235 			if (err)
4236 				hns3_err(hw, "failed to restore promiscuous "
4237 					 "status after disable vlan filter "
4238 					 "failed during enabling promiscuous "
4239 					 "mode, ret = %d", ret);
4240 		}
4241 	}
4242 
4243 	rte_spinlock_unlock(&hw->lock);
4244 
4245 	return ret;
4246 }
4247 
4248 static int
4249 hns3_dev_promiscuous_disable(struct rte_eth_dev *dev)
4250 {
4251 	bool allmulti = dev->data->all_multicast ? true : false;
4252 	struct hns3_adapter *hns = dev->data->dev_private;
4253 	struct hns3_hw *hw = &hns->hw;
4254 	uint64_t offloads;
4255 	int err;
4256 	int ret;
4257 
4258 	/* If now in all_multicast mode, must remain in all_multicast mode. */
4259 	rte_spinlock_lock(&hw->lock);
4260 	ret = hns3_set_promisc_mode(hw, false, allmulti);
4261 	if (ret) {
4262 		rte_spinlock_unlock(&hw->lock);
4263 		hns3_err(hw, "failed to disable promiscuous mode, ret = %d",
4264 			 ret);
4265 		return ret;
4266 	}
4267 	/* when promiscuous mode was disabled, restore the vlan filter status */
4268 	offloads = dev->data->dev_conf.rxmode.offloads;
4269 	if (offloads & DEV_RX_OFFLOAD_VLAN_FILTER) {
4270 		ret = hns3_enable_vlan_filter(hns, true);
4271 		if (ret) {
4272 			hns3_err(hw, "failed to disable promiscuous mode due to"
4273 				 " failure to restore vlan filter, ret = %d",
4274 				 ret);
4275 			err = hns3_set_promisc_mode(hw, true, true);
4276 			if (err)
4277 				hns3_err(hw, "failed to restore promiscuous "
4278 					 "status after enabling vlan filter "
4279 					 "failed during disabling promiscuous "
4280 					 "mode, ret = %d", ret);
4281 		}
4282 	}
4283 	rte_spinlock_unlock(&hw->lock);
4284 
4285 	return ret;
4286 }
4287 
4288 static int
4289 hns3_dev_allmulticast_enable(struct rte_eth_dev *dev)
4290 {
4291 	struct hns3_adapter *hns = dev->data->dev_private;
4292 	struct hns3_hw *hw = &hns->hw;
4293 	int ret;
4294 
4295 	if (dev->data->promiscuous)
4296 		return 0;
4297 
4298 	rte_spinlock_lock(&hw->lock);
4299 	ret = hns3_set_promisc_mode(hw, false, true);
4300 	rte_spinlock_unlock(&hw->lock);
4301 	if (ret)
4302 		hns3_err(hw, "failed to enable allmulticast mode, ret = %d",
4303 			 ret);
4304 
4305 	return ret;
4306 }
4307 
4308 static int
4309 hns3_dev_allmulticast_disable(struct rte_eth_dev *dev)
4310 {
4311 	struct hns3_adapter *hns = dev->data->dev_private;
4312 	struct hns3_hw *hw = &hns->hw;
4313 	int ret;
4314 
4315 	/* If now in promiscuous mode, must remain in all_multicast mode. */
4316 	if (dev->data->promiscuous)
4317 		return 0;
4318 
4319 	rte_spinlock_lock(&hw->lock);
4320 	ret = hns3_set_promisc_mode(hw, false, false);
4321 	rte_spinlock_unlock(&hw->lock);
4322 	if (ret)
4323 		hns3_err(hw, "failed to disable allmulticast mode, ret = %d",
4324 			 ret);
4325 
4326 	return ret;
4327 }
4328 
4329 static int
4330 hns3_dev_promisc_restore(struct hns3_adapter *hns)
4331 {
4332 	struct hns3_hw *hw = &hns->hw;
4333 	bool allmulti = hw->data->all_multicast ? true : false;
4334 	int ret;
4335 
4336 	if (hw->data->promiscuous) {
4337 		ret = hns3_set_promisc_mode(hw, true, true);
4338 		if (ret)
4339 			hns3_err(hw, "failed to restore promiscuous mode, "
4340 				 "ret = %d", ret);
4341 		return ret;
4342 	}
4343 
4344 	ret = hns3_set_promisc_mode(hw, false, allmulti);
4345 	if (ret)
4346 		hns3_err(hw, "failed to restore allmulticast mode, ret = %d",
4347 			 ret);
4348 	return ret;
4349 }
4350 
4351 static int
4352 hns3_get_sfp_speed(struct hns3_hw *hw, uint32_t *speed)
4353 {
4354 	struct hns3_sfp_speed_cmd *resp;
4355 	struct hns3_cmd_desc desc;
4356 	int ret;
4357 
4358 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_SFP_GET_SPEED, true);
4359 	resp = (struct hns3_sfp_speed_cmd *)desc.data;
4360 	ret = hns3_cmd_send(hw, &desc, 1);
4361 	if (ret == -EOPNOTSUPP) {
4362 		hns3_err(hw, "IMP do not support get SFP speed %d", ret);
4363 		return ret;
4364 	} else if (ret) {
4365 		hns3_err(hw, "get sfp speed failed %d", ret);
4366 		return ret;
4367 	}
4368 
4369 	*speed = resp->sfp_speed;
4370 
4371 	return 0;
4372 }
4373 
4374 static uint8_t
4375 hns3_check_speed_dup(uint8_t duplex, uint32_t speed)
4376 {
4377 	if (!(speed == ETH_SPEED_NUM_10M || speed == ETH_SPEED_NUM_100M))
4378 		duplex = ETH_LINK_FULL_DUPLEX;
4379 
4380 	return duplex;
4381 }
4382 
4383 static int
4384 hns3_cfg_mac_speed_dup(struct hns3_hw *hw, uint32_t speed, uint8_t duplex)
4385 {
4386 	struct hns3_mac *mac = &hw->mac;
4387 	uint32_t cur_speed = mac->link_speed;
4388 	int ret;
4389 
4390 	duplex = hns3_check_speed_dup(duplex, speed);
4391 	if (mac->link_speed == speed && mac->link_duplex == duplex)
4392 		return 0;
4393 
4394 	ret = hns3_cfg_mac_speed_dup_hw(hw, speed, duplex);
4395 	if (ret)
4396 		return ret;
4397 
4398 	mac->link_speed = speed;
4399 	ret = hns3_dcb_port_shaper_cfg(hw);
4400 	if (ret) {
4401 		hns3_err(hw, "failed to configure port shaper, ret = %d.", ret);
4402 		mac->link_speed = cur_speed;
4403 		return ret;
4404 	}
4405 
4406 	mac->link_duplex = duplex;
4407 
4408 	return 0;
4409 }
4410 
4411 static int
4412 hns3_update_fiber_link_info(struct hns3_hw *hw)
4413 {
4414 	struct hns3_pf *pf = HNS3_DEV_HW_TO_PF(hw);
4415 	uint32_t speed;
4416 	int ret;
4417 
4418 	/* If IMP do not support get SFP/qSFP speed, return directly */
4419 	if (!pf->support_sfp_query)
4420 		return 0;
4421 
4422 	ret = hns3_get_sfp_speed(hw, &speed);
4423 	if (ret == -EOPNOTSUPP) {
4424 		pf->support_sfp_query = false;
4425 		return ret;
4426 	} else if (ret)
4427 		return ret;
4428 
4429 	if (speed == ETH_SPEED_NUM_NONE)
4430 		return 0; /* do nothing if no SFP */
4431 
4432 	/* Config full duplex for SFP */
4433 	return hns3_cfg_mac_speed_dup(hw, speed, ETH_LINK_FULL_DUPLEX);
4434 }
4435 
4436 static int
4437 hns3_update_link_info(struct rte_eth_dev *eth_dev)
4438 {
4439 	struct hns3_adapter *hns = eth_dev->data->dev_private;
4440 	struct hns3_hw *hw = &hns->hw;
4441 	int ret = 0;
4442 
4443 	if (hw->mac.media_type == HNS3_MEDIA_TYPE_COPPER)
4444 		return 0;
4445 	else if (hw->mac.media_type == HNS3_MEDIA_TYPE_FIBER)
4446 		ret = hns3_update_fiber_link_info(hw);
4447 
4448 	return ret;
4449 }
4450 
4451 static int
4452 hns3_cfg_mac_mode(struct hns3_hw *hw, bool enable)
4453 {
4454 	struct hns3_config_mac_mode_cmd *req;
4455 	struct hns3_cmd_desc desc;
4456 	uint32_t loop_en = 0;
4457 	uint8_t val = 0;
4458 	int ret;
4459 
4460 	req = (struct hns3_config_mac_mode_cmd *)desc.data;
4461 
4462 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_MAC_MODE, false);
4463 	if (enable)
4464 		val = 1;
4465 	hns3_set_bit(loop_en, HNS3_MAC_TX_EN_B, val);
4466 	hns3_set_bit(loop_en, HNS3_MAC_RX_EN_B, val);
4467 	hns3_set_bit(loop_en, HNS3_MAC_PAD_TX_B, val);
4468 	hns3_set_bit(loop_en, HNS3_MAC_PAD_RX_B, val);
4469 	hns3_set_bit(loop_en, HNS3_MAC_1588_TX_B, 0);
4470 	hns3_set_bit(loop_en, HNS3_MAC_1588_RX_B, 0);
4471 	hns3_set_bit(loop_en, HNS3_MAC_APP_LP_B, 0);
4472 	hns3_set_bit(loop_en, HNS3_MAC_LINE_LP_B, 0);
4473 	hns3_set_bit(loop_en, HNS3_MAC_FCS_TX_B, val);
4474 	hns3_set_bit(loop_en, HNS3_MAC_RX_FCS_B, val);
4475 
4476 	/*
4477 	 * If DEV_RX_OFFLOAD_KEEP_CRC offload is set, MAC will not strip CRC
4478 	 * when receiving frames. Otherwise, CRC will be stripped.
4479 	 */
4480 	if (hw->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC)
4481 		hns3_set_bit(loop_en, HNS3_MAC_RX_FCS_STRIP_B, 0);
4482 	else
4483 		hns3_set_bit(loop_en, HNS3_MAC_RX_FCS_STRIP_B, val);
4484 	hns3_set_bit(loop_en, HNS3_MAC_TX_OVERSIZE_TRUNCATE_B, val);
4485 	hns3_set_bit(loop_en, HNS3_MAC_RX_OVERSIZE_TRUNCATE_B, val);
4486 	hns3_set_bit(loop_en, HNS3_MAC_TX_UNDER_MIN_ERR_B, val);
4487 	req->txrx_pad_fcs_loop_en = rte_cpu_to_le_32(loop_en);
4488 
4489 	ret = hns3_cmd_send(hw, &desc, 1);
4490 	if (ret)
4491 		PMD_INIT_LOG(ERR, "mac enable fail, ret =%d.", ret);
4492 
4493 	return ret;
4494 }
4495 
4496 static int
4497 hns3_get_mac_link_status(struct hns3_hw *hw)
4498 {
4499 	struct hns3_link_status_cmd *req;
4500 	struct hns3_cmd_desc desc;
4501 	int link_status;
4502 	int ret;
4503 
4504 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_QUERY_LINK_STATUS, true);
4505 	ret = hns3_cmd_send(hw, &desc, 1);
4506 	if (ret) {
4507 		hns3_err(hw, "get link status cmd failed %d", ret);
4508 		return ETH_LINK_DOWN;
4509 	}
4510 
4511 	req = (struct hns3_link_status_cmd *)desc.data;
4512 	link_status = req->status & HNS3_LINK_STATUS_UP_M;
4513 
4514 	return !!link_status;
4515 }
4516 
4517 static bool
4518 hns3_update_link_status(struct hns3_hw *hw)
4519 {
4520 	int state;
4521 
4522 	state = hns3_get_mac_link_status(hw);
4523 	if (state != hw->mac.link_status) {
4524 		hw->mac.link_status = state;
4525 		hns3_warn(hw, "Link status change to %s!", state ? "up" : "down");
4526 		return true;
4527 	}
4528 
4529 	return false;
4530 }
4531 
4532 /*
4533  * Current, the PF driver get link status by two ways:
4534  * 1) Periodic polling in the intr thread context, driver call
4535  *    hns3_update_link_status to update link status.
4536  * 2) Firmware report async interrupt, driver process the event in the intr
4537  *    thread context, and call hns3_update_link_status to update link status.
4538  *
4539  * If detect link status changed, driver need report LSE. One method is add the
4540  * report LSE logic in hns3_update_link_status.
4541  *
4542  * But the PF driver ops(link_update) also call hns3_update_link_status to
4543  * update link status.
4544  * If we report LSE in hns3_update_link_status, it may lead to deadlock in the
4545  * bonding application.
4546  *
4547  * So add the one new API which used only in intr thread context.
4548  */
4549 void
4550 hns3_update_link_status_and_event(struct hns3_hw *hw)
4551 {
4552 	struct rte_eth_dev *dev = &rte_eth_devices[hw->data->port_id];
4553 	bool changed = hns3_update_link_status(hw);
4554 	if (changed)
4555 		rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL);
4556 }
4557 
4558 static void
4559 hns3_service_handler(void *param)
4560 {
4561 	struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)param;
4562 	struct hns3_adapter *hns = eth_dev->data->dev_private;
4563 	struct hns3_hw *hw = &hns->hw;
4564 
4565 	if (!hns3_is_reset_pending(hns)) {
4566 		hns3_update_link_status_and_event(hw);
4567 		hns3_update_link_info(eth_dev);
4568 	} else {
4569 		hns3_warn(hw, "Cancel the query when reset is pending");
4570 	}
4571 
4572 	rte_eal_alarm_set(HNS3_SERVICE_INTERVAL, hns3_service_handler, eth_dev);
4573 }
4574 
4575 static int
4576 hns3_init_hardware(struct hns3_adapter *hns)
4577 {
4578 	struct hns3_hw *hw = &hns->hw;
4579 	int ret;
4580 
4581 	ret = hns3_map_tqp(hw);
4582 	if (ret) {
4583 		PMD_INIT_LOG(ERR, "Failed to map tqp: %d", ret);
4584 		return ret;
4585 	}
4586 
4587 	ret = hns3_init_umv_space(hw);
4588 	if (ret) {
4589 		PMD_INIT_LOG(ERR, "Failed to init umv space: %d", ret);
4590 		return ret;
4591 	}
4592 
4593 	ret = hns3_mac_init(hw);
4594 	if (ret) {
4595 		PMD_INIT_LOG(ERR, "Failed to init MAC: %d", ret);
4596 		goto err_mac_init;
4597 	}
4598 
4599 	ret = hns3_init_mgr_tbl(hw);
4600 	if (ret) {
4601 		PMD_INIT_LOG(ERR, "Failed to init manager table: %d", ret);
4602 		goto err_mac_init;
4603 	}
4604 
4605 	ret = hns3_promisc_init(hw);
4606 	if (ret) {
4607 		PMD_INIT_LOG(ERR, "Failed to init promisc: %d",
4608 			     ret);
4609 		goto err_mac_init;
4610 	}
4611 
4612 	ret = hns3_init_vlan_config(hns);
4613 	if (ret) {
4614 		PMD_INIT_LOG(ERR, "Failed to init vlan: %d", ret);
4615 		goto err_mac_init;
4616 	}
4617 
4618 	ret = hns3_dcb_init(hw);
4619 	if (ret) {
4620 		PMD_INIT_LOG(ERR, "Failed to init dcb: %d", ret);
4621 		goto err_mac_init;
4622 	}
4623 
4624 	ret = hns3_init_fd_config(hns);
4625 	if (ret) {
4626 		PMD_INIT_LOG(ERR, "Failed to init flow director: %d", ret);
4627 		goto err_mac_init;
4628 	}
4629 
4630 	ret = hns3_config_tso(hw, HNS3_TSO_MSS_MIN, HNS3_TSO_MSS_MAX);
4631 	if (ret) {
4632 		PMD_INIT_LOG(ERR, "Failed to config tso: %d", ret);
4633 		goto err_mac_init;
4634 	}
4635 
4636 	ret = hns3_config_gro(hw, false);
4637 	if (ret) {
4638 		PMD_INIT_LOG(ERR, "Failed to config gro: %d", ret);
4639 		goto err_mac_init;
4640 	}
4641 
4642 	/*
4643 	 * In the initialization clearing the all hardware mapping relationship
4644 	 * configurations between queues and interrupt vectors is needed, so
4645 	 * some error caused by the residual configurations, such as the
4646 	 * unexpected interrupt, can be avoid.
4647 	 */
4648 	ret = hns3_init_ring_with_vector(hw);
4649 	if (ret) {
4650 		PMD_INIT_LOG(ERR, "Failed to init ring intr vector: %d", ret);
4651 		goto err_mac_init;
4652 	}
4653 
4654 	/*
4655 	 * Requiring firmware to enable some features, driver can
4656 	 * still work without it.
4657 	 */
4658 	ret = hns3_firmware_compat_config(hw, true);
4659 	if (ret)
4660 		PMD_INIT_LOG(WARNING, "firmware compatible features not "
4661 			     "supported, ret = %d.", ret);
4662 
4663 	return 0;
4664 
4665 err_mac_init:
4666 	hns3_uninit_umv_space(hw);
4667 	return ret;
4668 }
4669 
4670 static int
4671 hns3_clear_hw(struct hns3_hw *hw)
4672 {
4673 	struct hns3_cmd_desc desc;
4674 	int ret;
4675 
4676 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CLEAR_HW_STATE, false);
4677 
4678 	ret = hns3_cmd_send(hw, &desc, 1);
4679 	if (ret && ret != -EOPNOTSUPP)
4680 		return ret;
4681 
4682 	return 0;
4683 }
4684 
4685 static void
4686 hns3_config_all_msix_error(struct hns3_hw *hw, bool enable)
4687 {
4688 	uint32_t val;
4689 
4690 	/*
4691 	 * The new firmware support report more hardware error types by
4692 	 * msix mode. These errors are defined as RAS errors in hardware
4693 	 * and belong to a different type from the MSI-x errors processed
4694 	 * by the network driver.
4695 	 *
4696 	 * Network driver should open the new error report on initialition
4697 	 */
4698 	val = hns3_read_dev(hw, HNS3_VECTOR0_OTER_EN_REG);
4699 	hns3_set_bit(val, HNS3_VECTOR0_ALL_MSIX_ERR_B, enable ? 1 : 0);
4700 	hns3_write_dev(hw, HNS3_VECTOR0_OTER_EN_REG, val);
4701 }
4702 
4703 static int
4704 hns3_init_pf(struct rte_eth_dev *eth_dev)
4705 {
4706 	struct rte_device *dev = eth_dev->device;
4707 	struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(dev);
4708 	struct hns3_adapter *hns = eth_dev->data->dev_private;
4709 	struct hns3_hw *hw = &hns->hw;
4710 	int ret;
4711 
4712 	PMD_INIT_FUNC_TRACE();
4713 
4714 	/* Get hardware io base address from pcie BAR2 IO space */
4715 	hw->io_base = pci_dev->mem_resource[2].addr;
4716 
4717 	/* Firmware command queue initialize */
4718 	ret = hns3_cmd_init_queue(hw);
4719 	if (ret) {
4720 		PMD_INIT_LOG(ERR, "Failed to init cmd queue: %d", ret);
4721 		goto err_cmd_init_queue;
4722 	}
4723 
4724 	hns3_clear_all_event_cause(hw);
4725 
4726 	/* Firmware command initialize */
4727 	ret = hns3_cmd_init(hw);
4728 	if (ret) {
4729 		PMD_INIT_LOG(ERR, "Failed to init cmd: %d", ret);
4730 		goto err_cmd_init;
4731 	}
4732 
4733 	/*
4734 	 * To ensure that the hardware environment is clean during
4735 	 * initialization, the driver actively clear the hardware environment
4736 	 * during initialization, including PF and corresponding VFs' vlan, mac,
4737 	 * flow table configurations, etc.
4738 	 */
4739 	ret = hns3_clear_hw(hw);
4740 	if (ret) {
4741 		PMD_INIT_LOG(ERR, "failed to clear hardware: %d", ret);
4742 		goto err_cmd_init;
4743 	}
4744 
4745 	hns3_config_all_msix_error(hw, true);
4746 
4747 	ret = rte_intr_callback_register(&pci_dev->intr_handle,
4748 					 hns3_interrupt_handler,
4749 					 eth_dev);
4750 	if (ret) {
4751 		PMD_INIT_LOG(ERR, "Failed to register intr: %d", ret);
4752 		goto err_intr_callback_register;
4753 	}
4754 
4755 	/* Enable interrupt */
4756 	rte_intr_enable(&pci_dev->intr_handle);
4757 	hns3_pf_enable_irq0(hw);
4758 
4759 	/* Get configuration */
4760 	ret = hns3_get_configuration(hw);
4761 	if (ret) {
4762 		PMD_INIT_LOG(ERR, "Failed to fetch configuration: %d", ret);
4763 		goto err_get_config;
4764 	}
4765 
4766 	ret = hns3_tqp_stats_init(hw);
4767 	if (ret)
4768 		goto err_get_config;
4769 
4770 	ret = hns3_init_hardware(hns);
4771 	if (ret) {
4772 		PMD_INIT_LOG(ERR, "Failed to init hardware: %d", ret);
4773 		goto err_init_hw;
4774 	}
4775 
4776 	/* Initialize flow director filter list & hash */
4777 	ret = hns3_fdir_filter_init(hns);
4778 	if (ret) {
4779 		PMD_INIT_LOG(ERR, "Failed to alloc hashmap for fdir: %d", ret);
4780 		goto err_fdir;
4781 	}
4782 
4783 	hns3_rss_set_default_args(hw);
4784 
4785 	ret = hns3_enable_hw_error_intr(hns, true);
4786 	if (ret) {
4787 		PMD_INIT_LOG(ERR, "fail to enable hw error interrupts: %d",
4788 			     ret);
4789 		goto err_enable_intr;
4790 	}
4791 
4792 	hns3_tm_conf_init(eth_dev);
4793 
4794 	return 0;
4795 
4796 err_enable_intr:
4797 	hns3_fdir_filter_uninit(hns);
4798 err_fdir:
4799 	(void)hns3_firmware_compat_config(hw, false);
4800 	hns3_uninit_umv_space(hw);
4801 err_init_hw:
4802 	hns3_tqp_stats_uninit(hw);
4803 err_get_config:
4804 	hns3_pf_disable_irq0(hw);
4805 	rte_intr_disable(&pci_dev->intr_handle);
4806 	hns3_intr_unregister(&pci_dev->intr_handle, hns3_interrupt_handler,
4807 			     eth_dev);
4808 err_intr_callback_register:
4809 err_cmd_init:
4810 	hns3_cmd_uninit(hw);
4811 	hns3_cmd_destroy_queue(hw);
4812 err_cmd_init_queue:
4813 	hw->io_base = NULL;
4814 
4815 	return ret;
4816 }
4817 
4818 static void
4819 hns3_uninit_pf(struct rte_eth_dev *eth_dev)
4820 {
4821 	struct hns3_adapter *hns = eth_dev->data->dev_private;
4822 	struct rte_device *dev = eth_dev->device;
4823 	struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(dev);
4824 	struct hns3_hw *hw = &hns->hw;
4825 
4826 	PMD_INIT_FUNC_TRACE();
4827 
4828 	hns3_tm_conf_uninit(eth_dev);
4829 	hns3_enable_hw_error_intr(hns, false);
4830 	hns3_rss_uninit(hns);
4831 	(void)hns3_config_gro(hw, false);
4832 	hns3_promisc_uninit(hw);
4833 	hns3_fdir_filter_uninit(hns);
4834 	(void)hns3_firmware_compat_config(hw, false);
4835 	hns3_uninit_umv_space(hw);
4836 	hns3_tqp_stats_uninit(hw);
4837 	hns3_pf_disable_irq0(hw);
4838 	rte_intr_disable(&pci_dev->intr_handle);
4839 	hns3_intr_unregister(&pci_dev->intr_handle, hns3_interrupt_handler,
4840 			     eth_dev);
4841 	hns3_config_all_msix_error(hw, false);
4842 	hns3_cmd_uninit(hw);
4843 	hns3_cmd_destroy_queue(hw);
4844 	hw->io_base = NULL;
4845 }
4846 
4847 static int
4848 hns3_do_start(struct hns3_adapter *hns, bool reset_queue)
4849 {
4850 	struct hns3_hw *hw = &hns->hw;
4851 	int ret;
4852 
4853 	ret = hns3_dcb_cfg_update(hns);
4854 	if (ret)
4855 		return ret;
4856 
4857 	/*
4858 	 * The hns3_dcb_cfg_update may configure TM module, so
4859 	 * hns3_tm_conf_update must called later.
4860 	 */
4861 	ret = hns3_tm_conf_update(hw);
4862 	if (ret) {
4863 		PMD_INIT_LOG(ERR, "failed to update tm conf, ret = %d.", ret);
4864 		return ret;
4865 	}
4866 
4867 	ret = hns3_init_queues(hns, reset_queue);
4868 	if (ret) {
4869 		PMD_INIT_LOG(ERR, "failed to init queues, ret = %d.", ret);
4870 		return ret;
4871 	}
4872 
4873 	ret = hns3_cfg_mac_mode(hw, true);
4874 	if (ret) {
4875 		PMD_INIT_LOG(ERR, "failed to enable MAC, ret = %d", ret);
4876 		goto err_config_mac_mode;
4877 	}
4878 	return 0;
4879 
4880 err_config_mac_mode:
4881 	hns3_dev_release_mbufs(hns);
4882 	/*
4883 	 * Here is exception handling, hns3_reset_all_tqps will have the
4884 	 * corresponding error message if it is handled incorrectly, so it is
4885 	 * not necessary to check hns3_reset_all_tqps return value, here keep
4886 	 * ret as the error code causing the exception.
4887 	 */
4888 	(void)hns3_reset_all_tqps(hns);
4889 	return ret;
4890 }
4891 
4892 static int
4893 hns3_map_rx_interrupt(struct rte_eth_dev *dev)
4894 {
4895 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
4896 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
4897 	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4898 	uint16_t base = RTE_INTR_VEC_ZERO_OFFSET;
4899 	uint16_t vec = RTE_INTR_VEC_ZERO_OFFSET;
4900 	uint32_t intr_vector;
4901 	uint16_t q_id;
4902 	int ret;
4903 
4904 	/*
4905 	 * hns3 needs a separate interrupt to be used as event interrupt which
4906 	 * could not be shared with task queue pair, so KERNEL drivers need
4907 	 * support multiple interrupt vectors.
4908 	 */
4909 	if (dev->data->dev_conf.intr_conf.rxq == 0 ||
4910 	    !rte_intr_cap_multiple(intr_handle))
4911 		return 0;
4912 
4913 	rte_intr_disable(intr_handle);
4914 	intr_vector = hw->used_rx_queues;
4915 	/* creates event fd for each intr vector when MSIX is used */
4916 	if (rte_intr_efd_enable(intr_handle, intr_vector))
4917 		return -EINVAL;
4918 
4919 	if (intr_handle->intr_vec == NULL) {
4920 		intr_handle->intr_vec =
4921 			rte_zmalloc("intr_vec",
4922 				    hw->used_rx_queues * sizeof(int), 0);
4923 		if (intr_handle->intr_vec == NULL) {
4924 			hns3_err(hw, "failed to allocate %u rx_queues intr_vec",
4925 					hw->used_rx_queues);
4926 			ret = -ENOMEM;
4927 			goto alloc_intr_vec_error;
4928 		}
4929 	}
4930 
4931 	if (rte_intr_allow_others(intr_handle)) {
4932 		vec = RTE_INTR_VEC_RXTX_OFFSET;
4933 		base = RTE_INTR_VEC_RXTX_OFFSET;
4934 	}
4935 
4936 	for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
4937 		ret = hns3_bind_ring_with_vector(hw, vec, true,
4938 						 HNS3_RING_TYPE_RX, q_id);
4939 		if (ret)
4940 			goto bind_vector_error;
4941 		intr_handle->intr_vec[q_id] = vec;
4942 		/*
4943 		 * If there are not enough efds (e.g. not enough interrupt),
4944 		 * remaining queues will be bond to the last interrupt.
4945 		 */
4946 		if (vec < base + intr_handle->nb_efd - 1)
4947 			vec++;
4948 	}
4949 	rte_intr_enable(intr_handle);
4950 	return 0;
4951 
4952 bind_vector_error:
4953 	rte_free(intr_handle->intr_vec);
4954 	intr_handle->intr_vec = NULL;
4955 alloc_intr_vec_error:
4956 	rte_intr_efd_disable(intr_handle);
4957 	return ret;
4958 }
4959 
4960 static int
4961 hns3_restore_rx_interrupt(struct hns3_hw *hw)
4962 {
4963 	struct rte_eth_dev *dev = &rte_eth_devices[hw->data->port_id];
4964 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
4965 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
4966 	uint16_t q_id;
4967 	int ret;
4968 
4969 	if (dev->data->dev_conf.intr_conf.rxq == 0)
4970 		return 0;
4971 
4972 	if (rte_intr_dp_is_en(intr_handle)) {
4973 		for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
4974 			ret = hns3_bind_ring_with_vector(hw,
4975 					intr_handle->intr_vec[q_id], true,
4976 					HNS3_RING_TYPE_RX, q_id);
4977 			if (ret)
4978 				return ret;
4979 		}
4980 	}
4981 
4982 	return 0;
4983 }
4984 
4985 static void
4986 hns3_restore_filter(struct rte_eth_dev *dev)
4987 {
4988 	hns3_restore_rss_filter(dev);
4989 }
4990 
4991 static int
4992 hns3_dev_start(struct rte_eth_dev *dev)
4993 {
4994 	struct hns3_adapter *hns = dev->data->dev_private;
4995 	struct hns3_hw *hw = &hns->hw;
4996 	int ret;
4997 
4998 	PMD_INIT_FUNC_TRACE();
4999 	if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED))
5000 		return -EBUSY;
5001 
5002 	rte_spinlock_lock(&hw->lock);
5003 	hw->adapter_state = HNS3_NIC_STARTING;
5004 
5005 	ret = hns3_do_start(hns, true);
5006 	if (ret) {
5007 		hw->adapter_state = HNS3_NIC_CONFIGURED;
5008 		rte_spinlock_unlock(&hw->lock);
5009 		return ret;
5010 	}
5011 	ret = hns3_map_rx_interrupt(dev);
5012 	if (ret) {
5013 		hw->adapter_state = HNS3_NIC_CONFIGURED;
5014 		rte_spinlock_unlock(&hw->lock);
5015 		return ret;
5016 	}
5017 
5018 	/*
5019 	 * There are three register used to control the status of a TQP
5020 	 * (contains a pair of Tx queue and Rx queue) in the new version network
5021 	 * engine. One is used to control the enabling of Tx queue, the other is
5022 	 * used to control the enabling of Rx queue, and the last is the master
5023 	 * switch used to control the enabling of the tqp. The Tx register and
5024 	 * TQP register must be enabled at the same time to enable a Tx queue.
5025 	 * The same applies to the Rx queue. For the older network engine, this
5026 	 * function only refresh the enabled flag, and it is used to update the
5027 	 * status of queue in the dpdk framework.
5028 	 */
5029 	ret = hns3_start_all_txqs(dev);
5030 	if (ret) {
5031 		hw->adapter_state = HNS3_NIC_CONFIGURED;
5032 		rte_spinlock_unlock(&hw->lock);
5033 		return ret;
5034 	}
5035 
5036 	ret = hns3_start_all_rxqs(dev);
5037 	if (ret) {
5038 		hns3_stop_all_txqs(dev);
5039 		hw->adapter_state = HNS3_NIC_CONFIGURED;
5040 		rte_spinlock_unlock(&hw->lock);
5041 		return ret;
5042 	}
5043 
5044 	hw->adapter_state = HNS3_NIC_STARTED;
5045 	rte_spinlock_unlock(&hw->lock);
5046 
5047 	hns3_rx_scattered_calc(dev);
5048 	hns3_set_rxtx_function(dev);
5049 	hns3_mp_req_start_rxtx(dev);
5050 	rte_eal_alarm_set(HNS3_SERVICE_INTERVAL, hns3_service_handler, dev);
5051 
5052 	hns3_restore_filter(dev);
5053 
5054 	/* Enable interrupt of all rx queues before enabling queues */
5055 	hns3_dev_all_rx_queue_intr_enable(hw, true);
5056 
5057 	/*
5058 	 * After finished the initialization, enable tqps to receive/transmit
5059 	 * packets and refresh all queue status.
5060 	 */
5061 	hns3_start_tqps(hw);
5062 
5063 	hns3_tm_dev_start_proc(hw);
5064 
5065 	hns3_info(hw, "hns3 dev start successful!");
5066 	return 0;
5067 }
5068 
5069 static int
5070 hns3_do_stop(struct hns3_adapter *hns)
5071 {
5072 	struct hns3_hw *hw = &hns->hw;
5073 	int ret;
5074 
5075 	ret = hns3_cfg_mac_mode(hw, false);
5076 	if (ret)
5077 		return ret;
5078 	hw->mac.link_status = ETH_LINK_DOWN;
5079 
5080 	if (__atomic_load_n(&hw->reset.disable_cmd, __ATOMIC_RELAXED) == 0) {
5081 		hns3_configure_all_mac_addr(hns, true);
5082 		ret = hns3_reset_all_tqps(hns);
5083 		if (ret) {
5084 			hns3_err(hw, "failed to reset all queues ret = %d.",
5085 				 ret);
5086 			return ret;
5087 		}
5088 	}
5089 	hw->mac.default_addr_setted = false;
5090 	return 0;
5091 }
5092 
5093 static void
5094 hns3_unmap_rx_interrupt(struct rte_eth_dev *dev)
5095 {
5096 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
5097 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
5098 	struct hns3_adapter *hns = dev->data->dev_private;
5099 	struct hns3_hw *hw = &hns->hw;
5100 	uint8_t base = RTE_INTR_VEC_ZERO_OFFSET;
5101 	uint8_t vec = RTE_INTR_VEC_ZERO_OFFSET;
5102 	uint16_t q_id;
5103 
5104 	if (dev->data->dev_conf.intr_conf.rxq == 0)
5105 		return;
5106 
5107 	/* unmap the ring with vector */
5108 	if (rte_intr_allow_others(intr_handle)) {
5109 		vec = RTE_INTR_VEC_RXTX_OFFSET;
5110 		base = RTE_INTR_VEC_RXTX_OFFSET;
5111 	}
5112 	if (rte_intr_dp_is_en(intr_handle)) {
5113 		for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
5114 			(void)hns3_bind_ring_with_vector(hw, vec, false,
5115 							 HNS3_RING_TYPE_RX,
5116 							 q_id);
5117 			if (vec < base + intr_handle->nb_efd - 1)
5118 				vec++;
5119 		}
5120 	}
5121 	/* Clean datapath event and queue/vec mapping */
5122 	rte_intr_efd_disable(intr_handle);
5123 	if (intr_handle->intr_vec) {
5124 		rte_free(intr_handle->intr_vec);
5125 		intr_handle->intr_vec = NULL;
5126 	}
5127 }
5128 
5129 static int
5130 hns3_dev_stop(struct rte_eth_dev *dev)
5131 {
5132 	struct hns3_adapter *hns = dev->data->dev_private;
5133 	struct hns3_hw *hw = &hns->hw;
5134 
5135 	PMD_INIT_FUNC_TRACE();
5136 	dev->data->dev_started = 0;
5137 
5138 	hw->adapter_state = HNS3_NIC_STOPPING;
5139 	hns3_set_rxtx_function(dev);
5140 	rte_wmb();
5141 	/* Disable datapath on secondary process. */
5142 	hns3_mp_req_stop_rxtx(dev);
5143 	/* Prevent crashes when queues are still in use. */
5144 	rte_delay_ms(hw->tqps_num);
5145 
5146 	rte_spinlock_lock(&hw->lock);
5147 	if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED) == 0) {
5148 		hns3_tm_dev_stop_proc(hw);
5149 		hns3_stop_tqps(hw);
5150 		hns3_do_stop(hns);
5151 		hns3_unmap_rx_interrupt(dev);
5152 		hns3_dev_release_mbufs(hns);
5153 		hw->adapter_state = HNS3_NIC_CONFIGURED;
5154 	}
5155 	hns3_rx_scattered_reset(dev);
5156 	rte_eal_alarm_cancel(hns3_service_handler, dev);
5157 	rte_spinlock_unlock(&hw->lock);
5158 
5159 	return 0;
5160 }
5161 
5162 static int
5163 hns3_dev_close(struct rte_eth_dev *eth_dev)
5164 {
5165 	struct hns3_adapter *hns = eth_dev->data->dev_private;
5166 	struct hns3_hw *hw = &hns->hw;
5167 	int ret = 0;
5168 
5169 	if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
5170 		rte_free(eth_dev->process_private);
5171 		eth_dev->process_private = NULL;
5172 		return 0;
5173 	}
5174 
5175 	if (hw->adapter_state == HNS3_NIC_STARTED)
5176 		ret = hns3_dev_stop(eth_dev);
5177 
5178 	hw->adapter_state = HNS3_NIC_CLOSING;
5179 	hns3_reset_abort(hns);
5180 	hw->adapter_state = HNS3_NIC_CLOSED;
5181 
5182 	hns3_configure_all_mc_mac_addr(hns, true);
5183 	hns3_remove_all_vlan_table(hns);
5184 	hns3_vlan_txvlan_cfg(hns, HNS3_PORT_BASE_VLAN_DISABLE, 0);
5185 	hns3_uninit_pf(eth_dev);
5186 	hns3_free_all_queues(eth_dev);
5187 	rte_free(hw->reset.wait_data);
5188 	rte_free(eth_dev->process_private);
5189 	eth_dev->process_private = NULL;
5190 	hns3_mp_uninit_primary();
5191 	hns3_warn(hw, "Close port %u finished", hw->data->port_id);
5192 
5193 	return ret;
5194 }
5195 
5196 static int
5197 hns3_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
5198 {
5199 	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5200 	struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
5201 
5202 	fc_conf->pause_time = pf->pause_time;
5203 
5204 	/* return fc current mode */
5205 	switch (hw->current_mode) {
5206 	case HNS3_FC_FULL:
5207 		fc_conf->mode = RTE_FC_FULL;
5208 		break;
5209 	case HNS3_FC_TX_PAUSE:
5210 		fc_conf->mode = RTE_FC_TX_PAUSE;
5211 		break;
5212 	case HNS3_FC_RX_PAUSE:
5213 		fc_conf->mode = RTE_FC_RX_PAUSE;
5214 		break;
5215 	case HNS3_FC_NONE:
5216 	default:
5217 		fc_conf->mode = RTE_FC_NONE;
5218 		break;
5219 	}
5220 
5221 	return 0;
5222 }
5223 
5224 static void
5225 hns3_get_fc_mode(struct hns3_hw *hw, enum rte_eth_fc_mode mode)
5226 {
5227 	switch (mode) {
5228 	case RTE_FC_NONE:
5229 		hw->requested_mode = HNS3_FC_NONE;
5230 		break;
5231 	case RTE_FC_RX_PAUSE:
5232 		hw->requested_mode = HNS3_FC_RX_PAUSE;
5233 		break;
5234 	case RTE_FC_TX_PAUSE:
5235 		hw->requested_mode = HNS3_FC_TX_PAUSE;
5236 		break;
5237 	case RTE_FC_FULL:
5238 		hw->requested_mode = HNS3_FC_FULL;
5239 		break;
5240 	default:
5241 		hw->requested_mode = HNS3_FC_NONE;
5242 		hns3_warn(hw, "fc_mode(%u) exceeds member scope and is "
5243 			  "configured to RTE_FC_NONE", mode);
5244 		break;
5245 	}
5246 }
5247 
5248 static int
5249 hns3_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
5250 {
5251 	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5252 	struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
5253 	int ret;
5254 
5255 	if (fc_conf->high_water || fc_conf->low_water ||
5256 	    fc_conf->send_xon || fc_conf->mac_ctrl_frame_fwd) {
5257 		hns3_err(hw, "Unsupported flow control settings specified, "
5258 			 "high_water(%u), low_water(%u), send_xon(%u) and "
5259 			 "mac_ctrl_frame_fwd(%u) must be set to '0'",
5260 			 fc_conf->high_water, fc_conf->low_water,
5261 			 fc_conf->send_xon, fc_conf->mac_ctrl_frame_fwd);
5262 		return -EINVAL;
5263 	}
5264 	if (fc_conf->autoneg) {
5265 		hns3_err(hw, "Unsupported fc auto-negotiation setting.");
5266 		return -EINVAL;
5267 	}
5268 	if (!fc_conf->pause_time) {
5269 		hns3_err(hw, "Invalid pause time %u setting.",
5270 			 fc_conf->pause_time);
5271 		return -EINVAL;
5272 	}
5273 
5274 	if (!(hw->current_fc_status == HNS3_FC_STATUS_NONE ||
5275 	    hw->current_fc_status == HNS3_FC_STATUS_MAC_PAUSE)) {
5276 		hns3_err(hw, "PFC is enabled. Cannot set MAC pause. "
5277 			 "current_fc_status = %d", hw->current_fc_status);
5278 		return -EOPNOTSUPP;
5279 	}
5280 
5281 	hns3_get_fc_mode(hw, fc_conf->mode);
5282 	if (hw->requested_mode == hw->current_mode &&
5283 	    pf->pause_time == fc_conf->pause_time)
5284 		return 0;
5285 
5286 	rte_spinlock_lock(&hw->lock);
5287 	ret = hns3_fc_enable(dev, fc_conf);
5288 	rte_spinlock_unlock(&hw->lock);
5289 
5290 	return ret;
5291 }
5292 
5293 static int
5294 hns3_priority_flow_ctrl_set(struct rte_eth_dev *dev,
5295 			    struct rte_eth_pfc_conf *pfc_conf)
5296 {
5297 	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5298 	struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
5299 	uint8_t priority;
5300 	int ret;
5301 
5302 	if (!hns3_dev_dcb_supported(hw)) {
5303 		hns3_err(hw, "This port does not support dcb configurations.");
5304 		return -EOPNOTSUPP;
5305 	}
5306 
5307 	if (pfc_conf->fc.high_water || pfc_conf->fc.low_water ||
5308 	    pfc_conf->fc.send_xon || pfc_conf->fc.mac_ctrl_frame_fwd) {
5309 		hns3_err(hw, "Unsupported flow control settings specified, "
5310 			 "high_water(%u), low_water(%u), send_xon(%u) and "
5311 			 "mac_ctrl_frame_fwd(%u) must be set to '0'",
5312 			 pfc_conf->fc.high_water, pfc_conf->fc.low_water,
5313 			 pfc_conf->fc.send_xon,
5314 			 pfc_conf->fc.mac_ctrl_frame_fwd);
5315 		return -EINVAL;
5316 	}
5317 	if (pfc_conf->fc.autoneg) {
5318 		hns3_err(hw, "Unsupported fc auto-negotiation setting.");
5319 		return -EINVAL;
5320 	}
5321 	if (pfc_conf->fc.pause_time == 0) {
5322 		hns3_err(hw, "Invalid pause time %u setting.",
5323 			 pfc_conf->fc.pause_time);
5324 		return -EINVAL;
5325 	}
5326 
5327 	if (!(hw->current_fc_status == HNS3_FC_STATUS_NONE ||
5328 	    hw->current_fc_status == HNS3_FC_STATUS_PFC)) {
5329 		hns3_err(hw, "MAC pause is enabled. Cannot set PFC."
5330 			     "current_fc_status = %d", hw->current_fc_status);
5331 		return -EOPNOTSUPP;
5332 	}
5333 
5334 	priority = pfc_conf->priority;
5335 	hns3_get_fc_mode(hw, pfc_conf->fc.mode);
5336 	if (hw->dcb_info.pfc_en & BIT(priority) &&
5337 	    hw->requested_mode == hw->current_mode &&
5338 	    pfc_conf->fc.pause_time == pf->pause_time)
5339 		return 0;
5340 
5341 	rte_spinlock_lock(&hw->lock);
5342 	ret = hns3_dcb_pfc_enable(dev, pfc_conf);
5343 	rte_spinlock_unlock(&hw->lock);
5344 
5345 	return ret;
5346 }
5347 
5348 static int
5349 hns3_get_dcb_info(struct rte_eth_dev *dev, struct rte_eth_dcb_info *dcb_info)
5350 {
5351 	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5352 	struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
5353 	enum rte_eth_rx_mq_mode mq_mode = dev->data->dev_conf.rxmode.mq_mode;
5354 	int i;
5355 
5356 	rte_spinlock_lock(&hw->lock);
5357 	if ((uint32_t)mq_mode & ETH_MQ_RX_DCB_FLAG)
5358 		dcb_info->nb_tcs = pf->local_max_tc;
5359 	else
5360 		dcb_info->nb_tcs = 1;
5361 
5362 	for (i = 0; i < HNS3_MAX_USER_PRIO; i++)
5363 		dcb_info->prio_tc[i] = hw->dcb_info.prio_tc[i];
5364 	for (i = 0; i < dcb_info->nb_tcs; i++)
5365 		dcb_info->tc_bws[i] = hw->dcb_info.pg_info[0].tc_dwrr[i];
5366 
5367 	for (i = 0; i < hw->num_tc; i++) {
5368 		dcb_info->tc_queue.tc_rxq[0][i].base = hw->alloc_rss_size * i;
5369 		dcb_info->tc_queue.tc_txq[0][i].base =
5370 						hw->tc_queue[i].tqp_offset;
5371 		dcb_info->tc_queue.tc_rxq[0][i].nb_queue = hw->alloc_rss_size;
5372 		dcb_info->tc_queue.tc_txq[0][i].nb_queue =
5373 						hw->tc_queue[i].tqp_count;
5374 	}
5375 	rte_spinlock_unlock(&hw->lock);
5376 
5377 	return 0;
5378 }
5379 
5380 static int
5381 hns3_reinit_dev(struct hns3_adapter *hns)
5382 {
5383 	struct hns3_hw *hw = &hns->hw;
5384 	int ret;
5385 
5386 	ret = hns3_cmd_init(hw);
5387 	if (ret) {
5388 		hns3_err(hw, "Failed to init cmd: %d", ret);
5389 		return ret;
5390 	}
5391 
5392 	ret = hns3_reset_all_tqps(hns);
5393 	if (ret) {
5394 		hns3_err(hw, "Failed to reset all queues: %d", ret);
5395 		return ret;
5396 	}
5397 
5398 	ret = hns3_init_hardware(hns);
5399 	if (ret) {
5400 		hns3_err(hw, "Failed to init hardware: %d", ret);
5401 		return ret;
5402 	}
5403 
5404 	ret = hns3_enable_hw_error_intr(hns, true);
5405 	if (ret) {
5406 		hns3_err(hw, "fail to enable hw error interrupts: %d",
5407 			     ret);
5408 		return ret;
5409 	}
5410 	hns3_info(hw, "Reset done, driver initialization finished.");
5411 
5412 	return 0;
5413 }
5414 
5415 static bool
5416 is_pf_reset_done(struct hns3_hw *hw)
5417 {
5418 	uint32_t val, reg, reg_bit;
5419 
5420 	switch (hw->reset.level) {
5421 	case HNS3_IMP_RESET:
5422 		reg = HNS3_GLOBAL_RESET_REG;
5423 		reg_bit = HNS3_IMP_RESET_BIT;
5424 		break;
5425 	case HNS3_GLOBAL_RESET:
5426 		reg = HNS3_GLOBAL_RESET_REG;
5427 		reg_bit = HNS3_GLOBAL_RESET_BIT;
5428 		break;
5429 	case HNS3_FUNC_RESET:
5430 		reg = HNS3_FUN_RST_ING;
5431 		reg_bit = HNS3_FUN_RST_ING_B;
5432 		break;
5433 	case HNS3_FLR_RESET:
5434 	default:
5435 		hns3_err(hw, "Wait for unsupported reset level: %d",
5436 			 hw->reset.level);
5437 		return true;
5438 	}
5439 	val = hns3_read_dev(hw, reg);
5440 	if (hns3_get_bit(val, reg_bit))
5441 		return false;
5442 	else
5443 		return true;
5444 }
5445 
5446 bool
5447 hns3_is_reset_pending(struct hns3_adapter *hns)
5448 {
5449 	struct hns3_hw *hw = &hns->hw;
5450 	enum hns3_reset_level reset;
5451 
5452 	hns3_check_event_cause(hns, NULL);
5453 	reset = hns3_get_reset_level(hns, &hw->reset.pending);
5454 	if (hw->reset.level != HNS3_NONE_RESET && hw->reset.level < reset) {
5455 		hns3_warn(hw, "High level reset %d is pending", reset);
5456 		return true;
5457 	}
5458 	reset = hns3_get_reset_level(hns, &hw->reset.request);
5459 	if (hw->reset.level != HNS3_NONE_RESET && hw->reset.level < reset) {
5460 		hns3_warn(hw, "High level reset %d is request", reset);
5461 		return true;
5462 	}
5463 	return false;
5464 }
5465 
5466 static int
5467 hns3_wait_hardware_ready(struct hns3_adapter *hns)
5468 {
5469 	struct hns3_hw *hw = &hns->hw;
5470 	struct hns3_wait_data *wait_data = hw->reset.wait_data;
5471 	struct timeval tv;
5472 
5473 	if (wait_data->result == HNS3_WAIT_SUCCESS)
5474 		return 0;
5475 	else if (wait_data->result == HNS3_WAIT_TIMEOUT) {
5476 		gettimeofday(&tv, NULL);
5477 		hns3_warn(hw, "Reset step4 hardware not ready after reset time=%ld.%.6ld",
5478 			  tv.tv_sec, tv.tv_usec);
5479 		return -ETIME;
5480 	} else if (wait_data->result == HNS3_WAIT_REQUEST)
5481 		return -EAGAIN;
5482 
5483 	wait_data->hns = hns;
5484 	wait_data->check_completion = is_pf_reset_done;
5485 	wait_data->end_ms = (uint64_t)HNS3_RESET_WAIT_CNT *
5486 				      HNS3_RESET_WAIT_MS + get_timeofday_ms();
5487 	wait_data->interval = HNS3_RESET_WAIT_MS * USEC_PER_MSEC;
5488 	wait_data->count = HNS3_RESET_WAIT_CNT;
5489 	wait_data->result = HNS3_WAIT_REQUEST;
5490 	rte_eal_alarm_set(wait_data->interval, hns3_wait_callback, wait_data);
5491 	return -EAGAIN;
5492 }
5493 
5494 static int
5495 hns3_func_reset_cmd(struct hns3_hw *hw, int func_id)
5496 {
5497 	struct hns3_cmd_desc desc;
5498 	struct hns3_reset_cmd *req = (struct hns3_reset_cmd *)desc.data;
5499 
5500 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CFG_RST_TRIGGER, false);
5501 	hns3_set_bit(req->mac_func_reset, HNS3_CFG_RESET_FUNC_B, 1);
5502 	req->fun_reset_vfid = func_id;
5503 
5504 	return hns3_cmd_send(hw, &desc, 1);
5505 }
5506 
5507 static int
5508 hns3_imp_reset_cmd(struct hns3_hw *hw)
5509 {
5510 	struct hns3_cmd_desc desc;
5511 
5512 	hns3_cmd_setup_basic_desc(&desc, 0xFFFE, false);
5513 	desc.data[0] = 0xeedd;
5514 
5515 	return hns3_cmd_send(hw, &desc, 1);
5516 }
5517 
5518 static void
5519 hns3_msix_process(struct hns3_adapter *hns, enum hns3_reset_level reset_level)
5520 {
5521 	struct hns3_hw *hw = &hns->hw;
5522 	struct timeval tv;
5523 	uint32_t val;
5524 
5525 	gettimeofday(&tv, NULL);
5526 	if (hns3_read_dev(hw, HNS3_GLOBAL_RESET_REG) ||
5527 	    hns3_read_dev(hw, HNS3_FUN_RST_ING)) {
5528 		hns3_warn(hw, "Don't process msix during resetting time=%ld.%.6ld",
5529 			  tv.tv_sec, tv.tv_usec);
5530 		return;
5531 	}
5532 
5533 	switch (reset_level) {
5534 	case HNS3_IMP_RESET:
5535 		hns3_imp_reset_cmd(hw);
5536 		hns3_warn(hw, "IMP Reset requested time=%ld.%.6ld",
5537 			  tv.tv_sec, tv.tv_usec);
5538 		break;
5539 	case HNS3_GLOBAL_RESET:
5540 		val = hns3_read_dev(hw, HNS3_GLOBAL_RESET_REG);
5541 		hns3_set_bit(val, HNS3_GLOBAL_RESET_BIT, 1);
5542 		hns3_write_dev(hw, HNS3_GLOBAL_RESET_REG, val);
5543 		hns3_warn(hw, "Global Reset requested time=%ld.%.6ld",
5544 			  tv.tv_sec, tv.tv_usec);
5545 		break;
5546 	case HNS3_FUNC_RESET:
5547 		hns3_warn(hw, "PF Reset requested time=%ld.%.6ld",
5548 			  tv.tv_sec, tv.tv_usec);
5549 		/* schedule again to check later */
5550 		hns3_atomic_set_bit(HNS3_FUNC_RESET, &hw->reset.pending);
5551 		hns3_schedule_reset(hns);
5552 		break;
5553 	default:
5554 		hns3_warn(hw, "Unsupported reset level: %d", reset_level);
5555 		return;
5556 	}
5557 	hns3_atomic_clear_bit(reset_level, &hw->reset.request);
5558 }
5559 
5560 static enum hns3_reset_level
5561 hns3_get_reset_level(struct hns3_adapter *hns, uint64_t *levels)
5562 {
5563 	struct hns3_hw *hw = &hns->hw;
5564 	enum hns3_reset_level reset_level = HNS3_NONE_RESET;
5565 
5566 	/* Return the highest priority reset level amongst all */
5567 	if (hns3_atomic_test_bit(HNS3_IMP_RESET, levels))
5568 		reset_level = HNS3_IMP_RESET;
5569 	else if (hns3_atomic_test_bit(HNS3_GLOBAL_RESET, levels))
5570 		reset_level = HNS3_GLOBAL_RESET;
5571 	else if (hns3_atomic_test_bit(HNS3_FUNC_RESET, levels))
5572 		reset_level = HNS3_FUNC_RESET;
5573 	else if (hns3_atomic_test_bit(HNS3_FLR_RESET, levels))
5574 		reset_level = HNS3_FLR_RESET;
5575 
5576 	if (hw->reset.level != HNS3_NONE_RESET && reset_level < hw->reset.level)
5577 		return HNS3_NONE_RESET;
5578 
5579 	return reset_level;
5580 }
5581 
5582 static void
5583 hns3_record_imp_error(struct hns3_adapter *hns)
5584 {
5585 	struct hns3_hw *hw = &hns->hw;
5586 	uint32_t reg_val;
5587 
5588 	reg_val = hns3_read_dev(hw, HNS3_VECTOR0_OTER_EN_REG);
5589 	if (hns3_get_bit(reg_val, HNS3_VECTOR0_IMP_RD_POISON_B)) {
5590 		hns3_warn(hw, "Detected IMP RD poison!");
5591 		hns3_error_int_stats_add(hns, "IMP_RD_POISON_INT_STS");
5592 		hns3_set_bit(reg_val, HNS3_VECTOR0_IMP_RD_POISON_B, 0);
5593 		hns3_write_dev(hw, HNS3_VECTOR0_OTER_EN_REG, reg_val);
5594 	}
5595 
5596 	if (hns3_get_bit(reg_val, HNS3_VECTOR0_IMP_CMDQ_ERR_B)) {
5597 		hns3_warn(hw, "Detected IMP CMDQ error!");
5598 		hns3_error_int_stats_add(hns, "CMDQ_MEM_ECC_INT_STS");
5599 		hns3_set_bit(reg_val, HNS3_VECTOR0_IMP_CMDQ_ERR_B, 0);
5600 		hns3_write_dev(hw, HNS3_VECTOR0_OTER_EN_REG, reg_val);
5601 	}
5602 }
5603 
5604 static int
5605 hns3_prepare_reset(struct hns3_adapter *hns)
5606 {
5607 	struct hns3_hw *hw = &hns->hw;
5608 	uint32_t reg_val;
5609 	int ret;
5610 
5611 	switch (hw->reset.level) {
5612 	case HNS3_FUNC_RESET:
5613 		ret = hns3_func_reset_cmd(hw, HNS3_PF_FUNC_ID);
5614 		if (ret)
5615 			return ret;
5616 
5617 		/*
5618 		 * After performaning pf reset, it is not necessary to do the
5619 		 * mailbox handling or send any command to firmware, because
5620 		 * any mailbox handling or command to firmware is only valid
5621 		 * after hns3_cmd_init is called.
5622 		 */
5623 		__atomic_store_n(&hw->reset.disable_cmd, 1, __ATOMIC_RELAXED);
5624 		hw->reset.stats.request_cnt++;
5625 		break;
5626 	case HNS3_IMP_RESET:
5627 		hns3_record_imp_error(hns);
5628 		reg_val = hns3_read_dev(hw, HNS3_VECTOR0_OTER_EN_REG);
5629 		hns3_write_dev(hw, HNS3_VECTOR0_OTER_EN_REG, reg_val |
5630 			       BIT(HNS3_VECTOR0_IMP_RESET_INT_B));
5631 		break;
5632 	default:
5633 		break;
5634 	}
5635 	return 0;
5636 }
5637 
5638 static int
5639 hns3_set_rst_done(struct hns3_hw *hw)
5640 {
5641 	struct hns3_pf_rst_done_cmd *req;
5642 	struct hns3_cmd_desc desc;
5643 
5644 	req = (struct hns3_pf_rst_done_cmd *)desc.data;
5645 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_PF_RST_DONE, false);
5646 	req->pf_rst_done |= HNS3_PF_RESET_DONE_BIT;
5647 	return hns3_cmd_send(hw, &desc, 1);
5648 }
5649 
5650 static int
5651 hns3_stop_service(struct hns3_adapter *hns)
5652 {
5653 	struct hns3_hw *hw = &hns->hw;
5654 	struct rte_eth_dev *eth_dev;
5655 
5656 	eth_dev = &rte_eth_devices[hw->data->port_id];
5657 	if (hw->adapter_state == HNS3_NIC_STARTED) {
5658 		rte_eal_alarm_cancel(hns3_service_handler, eth_dev);
5659 		hns3_update_link_status_and_event(hw);
5660 	}
5661 	hw->mac.link_status = ETH_LINK_DOWN;
5662 
5663 	hns3_set_rxtx_function(eth_dev);
5664 	rte_wmb();
5665 	/* Disable datapath on secondary process. */
5666 	hns3_mp_req_stop_rxtx(eth_dev);
5667 	rte_delay_ms(hw->tqps_num);
5668 
5669 	rte_spinlock_lock(&hw->lock);
5670 	if (hns->hw.adapter_state == HNS3_NIC_STARTED ||
5671 	    hw->adapter_state == HNS3_NIC_STOPPING) {
5672 		hns3_enable_all_queues(hw, false);
5673 		hns3_do_stop(hns);
5674 		hw->reset.mbuf_deferred_free = true;
5675 	} else
5676 		hw->reset.mbuf_deferred_free = false;
5677 
5678 	/*
5679 	 * It is cumbersome for hardware to pick-and-choose entries for deletion
5680 	 * from table space. Hence, for function reset software intervention is
5681 	 * required to delete the entries
5682 	 */
5683 	if (__atomic_load_n(&hw->reset.disable_cmd, __ATOMIC_RELAXED) == 0)
5684 		hns3_configure_all_mc_mac_addr(hns, true);
5685 	rte_spinlock_unlock(&hw->lock);
5686 
5687 	return 0;
5688 }
5689 
5690 static int
5691 hns3_start_service(struct hns3_adapter *hns)
5692 {
5693 	struct hns3_hw *hw = &hns->hw;
5694 	struct rte_eth_dev *eth_dev;
5695 
5696 	if (hw->reset.level == HNS3_IMP_RESET ||
5697 	    hw->reset.level == HNS3_GLOBAL_RESET)
5698 		hns3_set_rst_done(hw);
5699 	eth_dev = &rte_eth_devices[hw->data->port_id];
5700 	hns3_set_rxtx_function(eth_dev);
5701 	hns3_mp_req_start_rxtx(eth_dev);
5702 	if (hw->adapter_state == HNS3_NIC_STARTED) {
5703 		/*
5704 		 * This API parent function already hold the hns3_hw.lock, the
5705 		 * hns3_service_handler may report lse, in bonding application
5706 		 * it will call driver's ops which may acquire the hns3_hw.lock
5707 		 * again, thus lead to deadlock.
5708 		 * We defer calls hns3_service_handler to avoid the deadlock.
5709 		 */
5710 		rte_eal_alarm_set(HNS3_SERVICE_QUICK_INTERVAL,
5711 				  hns3_service_handler, eth_dev);
5712 
5713 		/* Enable interrupt of all rx queues before enabling queues */
5714 		hns3_dev_all_rx_queue_intr_enable(hw, true);
5715 		/*
5716 		 * Enable state of each rxq and txq will be recovered after
5717 		 * reset, so we need to restore them before enable all tqps;
5718 		 */
5719 		hns3_restore_tqp_enable_state(hw);
5720 		/*
5721 		 * When finished the initialization, enable queues to receive
5722 		 * and transmit packets.
5723 		 */
5724 		hns3_enable_all_queues(hw, true);
5725 	}
5726 
5727 	return 0;
5728 }
5729 
5730 static int
5731 hns3_restore_conf(struct hns3_adapter *hns)
5732 {
5733 	struct hns3_hw *hw = &hns->hw;
5734 	int ret;
5735 
5736 	ret = hns3_configure_all_mac_addr(hns, false);
5737 	if (ret)
5738 		return ret;
5739 
5740 	ret = hns3_configure_all_mc_mac_addr(hns, false);
5741 	if (ret)
5742 		goto err_mc_mac;
5743 
5744 	ret = hns3_dev_promisc_restore(hns);
5745 	if (ret)
5746 		goto err_promisc;
5747 
5748 	ret = hns3_restore_vlan_table(hns);
5749 	if (ret)
5750 		goto err_promisc;
5751 
5752 	ret = hns3_restore_vlan_conf(hns);
5753 	if (ret)
5754 		goto err_promisc;
5755 
5756 	ret = hns3_restore_all_fdir_filter(hns);
5757 	if (ret)
5758 		goto err_promisc;
5759 
5760 	ret = hns3_restore_rx_interrupt(hw);
5761 	if (ret)
5762 		goto err_promisc;
5763 
5764 	ret = hns3_restore_gro_conf(hw);
5765 	if (ret)
5766 		goto err_promisc;
5767 
5768 	ret = hns3_restore_fec(hw);
5769 	if (ret)
5770 		goto err_promisc;
5771 
5772 	if (hns->hw.adapter_state == HNS3_NIC_STARTED) {
5773 		ret = hns3_do_start(hns, false);
5774 		if (ret)
5775 			goto err_promisc;
5776 		hns3_info(hw, "hns3 dev restart successful!");
5777 	} else if (hw->adapter_state == HNS3_NIC_STOPPING)
5778 		hw->adapter_state = HNS3_NIC_CONFIGURED;
5779 	return 0;
5780 
5781 err_promisc:
5782 	hns3_configure_all_mc_mac_addr(hns, true);
5783 err_mc_mac:
5784 	hns3_configure_all_mac_addr(hns, true);
5785 	return ret;
5786 }
5787 
5788 static void
5789 hns3_reset_service(void *param)
5790 {
5791 	struct hns3_adapter *hns = (struct hns3_adapter *)param;
5792 	struct hns3_hw *hw = &hns->hw;
5793 	enum hns3_reset_level reset_level;
5794 	struct timeval tv_delta;
5795 	struct timeval tv_start;
5796 	struct timeval tv;
5797 	uint64_t msec;
5798 	int ret;
5799 
5800 	/*
5801 	 * The interrupt is not triggered within the delay time.
5802 	 * The interrupt may have been lost. It is necessary to handle
5803 	 * the interrupt to recover from the error.
5804 	 */
5805 	if (__atomic_load_n(&hw->reset.schedule, __ATOMIC_RELAXED) ==
5806 			    SCHEDULE_DEFERRED) {
5807 		__atomic_store_n(&hw->reset.schedule, SCHEDULE_REQUESTED,
5808 				  __ATOMIC_RELAXED);
5809 		hns3_err(hw, "Handling interrupts in delayed tasks");
5810 		hns3_interrupt_handler(&rte_eth_devices[hw->data->port_id]);
5811 		reset_level = hns3_get_reset_level(hns, &hw->reset.pending);
5812 		if (reset_level == HNS3_NONE_RESET) {
5813 			hns3_err(hw, "No reset level is set, try IMP reset");
5814 			hns3_atomic_set_bit(HNS3_IMP_RESET, &hw->reset.pending);
5815 		}
5816 	}
5817 	__atomic_store_n(&hw->reset.schedule, SCHEDULE_NONE, __ATOMIC_RELAXED);
5818 
5819 	/*
5820 	 * Check if there is any ongoing reset in the hardware. This status can
5821 	 * be checked from reset_pending. If there is then, we need to wait for
5822 	 * hardware to complete reset.
5823 	 *    a. If we are able to figure out in reasonable time that hardware
5824 	 *       has fully resetted then, we can proceed with driver, client
5825 	 *       reset.
5826 	 *    b. else, we can come back later to check this status so re-sched
5827 	 *       now.
5828 	 */
5829 	reset_level = hns3_get_reset_level(hns, &hw->reset.pending);
5830 	if (reset_level != HNS3_NONE_RESET) {
5831 		gettimeofday(&tv_start, NULL);
5832 		ret = hns3_reset_process(hns, reset_level);
5833 		gettimeofday(&tv, NULL);
5834 		timersub(&tv, &tv_start, &tv_delta);
5835 		msec = tv_delta.tv_sec * MSEC_PER_SEC +
5836 		       tv_delta.tv_usec / USEC_PER_MSEC;
5837 		if (msec > HNS3_RESET_PROCESS_MS)
5838 			hns3_err(hw, "%d handle long time delta %" PRIx64
5839 				     " ms time=%ld.%.6ld",
5840 				 hw->reset.level, msec,
5841 				 tv.tv_sec, tv.tv_usec);
5842 		if (ret == -EAGAIN)
5843 			return;
5844 	}
5845 
5846 	/* Check if we got any *new* reset requests to be honored */
5847 	reset_level = hns3_get_reset_level(hns, &hw->reset.request);
5848 	if (reset_level != HNS3_NONE_RESET)
5849 		hns3_msix_process(hns, reset_level);
5850 }
5851 
5852 static unsigned int
5853 hns3_get_speed_capa_num(uint16_t device_id)
5854 {
5855 	unsigned int num;
5856 
5857 	switch (device_id) {
5858 	case HNS3_DEV_ID_25GE:
5859 	case HNS3_DEV_ID_25GE_RDMA:
5860 		num = 2;
5861 		break;
5862 	case HNS3_DEV_ID_100G_RDMA_MACSEC:
5863 	case HNS3_DEV_ID_200G_RDMA:
5864 		num = 1;
5865 		break;
5866 	default:
5867 		num = 0;
5868 		break;
5869 	}
5870 
5871 	return num;
5872 }
5873 
5874 static int
5875 hns3_get_speed_fec_capa(struct rte_eth_fec_capa *speed_fec_capa,
5876 			uint16_t device_id)
5877 {
5878 	switch (device_id) {
5879 	case HNS3_DEV_ID_25GE:
5880 	/* fallthrough */
5881 	case HNS3_DEV_ID_25GE_RDMA:
5882 		speed_fec_capa[0].speed = speed_fec_capa_tbl[1].speed;
5883 		speed_fec_capa[0].capa = speed_fec_capa_tbl[1].capa;
5884 
5885 		/* In HNS3 device, the 25G NIC is compatible with 10G rate */
5886 		speed_fec_capa[1].speed = speed_fec_capa_tbl[0].speed;
5887 		speed_fec_capa[1].capa = speed_fec_capa_tbl[0].capa;
5888 		break;
5889 	case HNS3_DEV_ID_100G_RDMA_MACSEC:
5890 		speed_fec_capa[0].speed = speed_fec_capa_tbl[4].speed;
5891 		speed_fec_capa[0].capa = speed_fec_capa_tbl[4].capa;
5892 		break;
5893 	case HNS3_DEV_ID_200G_RDMA:
5894 		speed_fec_capa[0].speed = speed_fec_capa_tbl[5].speed;
5895 		speed_fec_capa[0].capa = speed_fec_capa_tbl[5].capa;
5896 		break;
5897 	default:
5898 		return -ENOTSUP;
5899 	}
5900 
5901 	return 0;
5902 }
5903 
5904 static int
5905 hns3_fec_get_capability(struct rte_eth_dev *dev,
5906 			struct rte_eth_fec_capa *speed_fec_capa,
5907 			unsigned int num)
5908 {
5909 	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5910 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
5911 	uint16_t device_id = pci_dev->id.device_id;
5912 	unsigned int capa_num;
5913 	int ret;
5914 
5915 	capa_num = hns3_get_speed_capa_num(device_id);
5916 	if (capa_num == 0) {
5917 		hns3_err(hw, "device(0x%x) is not supported by hns3 PMD",
5918 			 device_id);
5919 		return -ENOTSUP;
5920 	}
5921 
5922 	if (speed_fec_capa == NULL || num < capa_num)
5923 		return capa_num;
5924 
5925 	ret = hns3_get_speed_fec_capa(speed_fec_capa, device_id);
5926 	if (ret)
5927 		return -ENOTSUP;
5928 
5929 	return capa_num;
5930 }
5931 
5932 static int
5933 get_current_fec_auto_state(struct hns3_hw *hw, uint8_t *state)
5934 {
5935 	struct hns3_config_fec_cmd *req;
5936 	struct hns3_cmd_desc desc;
5937 	int ret;
5938 
5939 	/*
5940 	 * CMD(HNS3_OPC_CONFIG_FEC_MODE) read is not supported
5941 	 * in device of link speed
5942 	 * below 10 Gbps.
5943 	 */
5944 	if (hw->mac.link_speed < ETH_SPEED_NUM_10G) {
5945 		*state = 0;
5946 		return 0;
5947 	}
5948 
5949 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_FEC_MODE, true);
5950 	req = (struct hns3_config_fec_cmd *)desc.data;
5951 	ret = hns3_cmd_send(hw, &desc, 1);
5952 	if (ret) {
5953 		hns3_err(hw, "get current fec auto state failed, ret = %d",
5954 			 ret);
5955 		return ret;
5956 	}
5957 
5958 	*state = req->fec_mode & (1U << HNS3_MAC_CFG_FEC_AUTO_EN_B);
5959 	return 0;
5960 }
5961 
5962 static int
5963 hns3_fec_get_internal(struct hns3_hw *hw, uint32_t *fec_capa)
5964 {
5965 #define QUERY_ACTIVE_SPEED	1
5966 	struct hns3_sfp_speed_cmd *resp;
5967 	uint32_t tmp_fec_capa;
5968 	uint8_t auto_state;
5969 	struct hns3_cmd_desc desc;
5970 	int ret;
5971 
5972 	/*
5973 	 * If link is down and AUTO is enabled, AUTO is returned, otherwise,
5974 	 * configured FEC mode is returned.
5975 	 * If link is up, current FEC mode is returned.
5976 	 */
5977 	if (hw->mac.link_status == ETH_LINK_DOWN) {
5978 		ret = get_current_fec_auto_state(hw, &auto_state);
5979 		if (ret)
5980 			return ret;
5981 
5982 		if (auto_state == 0x1) {
5983 			*fec_capa = RTE_ETH_FEC_MODE_CAPA_MASK(AUTO);
5984 			return 0;
5985 		}
5986 	}
5987 
5988 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_SFP_GET_SPEED, true);
5989 	resp = (struct hns3_sfp_speed_cmd *)desc.data;
5990 	resp->query_type = QUERY_ACTIVE_SPEED;
5991 
5992 	ret = hns3_cmd_send(hw, &desc, 1);
5993 	if (ret == -EOPNOTSUPP) {
5994 		hns3_err(hw, "IMP do not support get FEC, ret = %d", ret);
5995 		return ret;
5996 	} else if (ret) {
5997 		hns3_err(hw, "get FEC failed, ret = %d", ret);
5998 		return ret;
5999 	}
6000 
6001 	/*
6002 	 * FEC mode order defined in hns3 hardware is inconsistend with
6003 	 * that defined in the ethdev library. So the sequence needs
6004 	 * to be converted.
6005 	 */
6006 	switch (resp->active_fec) {
6007 	case HNS3_HW_FEC_MODE_NOFEC:
6008 		tmp_fec_capa = RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC);
6009 		break;
6010 	case HNS3_HW_FEC_MODE_BASER:
6011 		tmp_fec_capa = RTE_ETH_FEC_MODE_CAPA_MASK(BASER);
6012 		break;
6013 	case HNS3_HW_FEC_MODE_RS:
6014 		tmp_fec_capa = RTE_ETH_FEC_MODE_CAPA_MASK(RS);
6015 		break;
6016 	default:
6017 		tmp_fec_capa = RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC);
6018 		break;
6019 	}
6020 
6021 	*fec_capa = tmp_fec_capa;
6022 	return 0;
6023 }
6024 
6025 static int
6026 hns3_fec_get(struct rte_eth_dev *dev, uint32_t *fec_capa)
6027 {
6028 	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
6029 
6030 	return hns3_fec_get_internal(hw, fec_capa);
6031 }
6032 
6033 static int
6034 hns3_set_fec_hw(struct hns3_hw *hw, uint32_t mode)
6035 {
6036 	struct hns3_config_fec_cmd *req;
6037 	struct hns3_cmd_desc desc;
6038 	int ret;
6039 
6040 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_FEC_MODE, false);
6041 
6042 	req = (struct hns3_config_fec_cmd *)desc.data;
6043 	switch (mode) {
6044 	case RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC):
6045 		hns3_set_field(req->fec_mode, HNS3_MAC_CFG_FEC_MODE_M,
6046 				HNS3_MAC_CFG_FEC_MODE_S, HNS3_MAC_FEC_OFF);
6047 		break;
6048 	case RTE_ETH_FEC_MODE_CAPA_MASK(BASER):
6049 		hns3_set_field(req->fec_mode, HNS3_MAC_CFG_FEC_MODE_M,
6050 				HNS3_MAC_CFG_FEC_MODE_S, HNS3_MAC_FEC_BASER);
6051 		break;
6052 	case RTE_ETH_FEC_MODE_CAPA_MASK(RS):
6053 		hns3_set_field(req->fec_mode, HNS3_MAC_CFG_FEC_MODE_M,
6054 				HNS3_MAC_CFG_FEC_MODE_S, HNS3_MAC_FEC_RS);
6055 		break;
6056 	case RTE_ETH_FEC_MODE_CAPA_MASK(AUTO):
6057 		hns3_set_bit(req->fec_mode, HNS3_MAC_CFG_FEC_AUTO_EN_B, 1);
6058 		break;
6059 	default:
6060 		return 0;
6061 	}
6062 	ret = hns3_cmd_send(hw, &desc, 1);
6063 	if (ret)
6064 		hns3_err(hw, "set fec mode failed, ret = %d", ret);
6065 
6066 	return ret;
6067 }
6068 
6069 static uint32_t
6070 get_current_speed_fec_cap(struct hns3_hw *hw, struct rte_eth_fec_capa *fec_capa)
6071 {
6072 	struct hns3_mac *mac = &hw->mac;
6073 	uint32_t cur_capa;
6074 
6075 	switch (mac->link_speed) {
6076 	case ETH_SPEED_NUM_10G:
6077 		cur_capa = fec_capa[1].capa;
6078 		break;
6079 	case ETH_SPEED_NUM_25G:
6080 	case ETH_SPEED_NUM_100G:
6081 	case ETH_SPEED_NUM_200G:
6082 		cur_capa = fec_capa[0].capa;
6083 		break;
6084 	default:
6085 		cur_capa = 0;
6086 		break;
6087 	}
6088 
6089 	return cur_capa;
6090 }
6091 
6092 static bool
6093 is_fec_mode_one_bit_set(uint32_t mode)
6094 {
6095 	int cnt = 0;
6096 	uint8_t i;
6097 
6098 	for (i = 0; i < sizeof(mode); i++)
6099 		if (mode >> i & 0x1)
6100 			cnt++;
6101 
6102 	return cnt == 1 ? true : false;
6103 }
6104 
6105 static int
6106 hns3_fec_set(struct rte_eth_dev *dev, uint32_t mode)
6107 {
6108 #define FEC_CAPA_NUM 2
6109 	struct hns3_adapter *hns = dev->data->dev_private;
6110 	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(hns);
6111 	struct hns3_pf *pf = &hns->pf;
6112 
6113 	struct rte_eth_fec_capa fec_capa[FEC_CAPA_NUM];
6114 	uint32_t cur_capa;
6115 	uint32_t num = FEC_CAPA_NUM;
6116 	int ret;
6117 
6118 	ret = hns3_fec_get_capability(dev, fec_capa, num);
6119 	if (ret < 0)
6120 		return ret;
6121 
6122 	/* HNS3 PMD driver only support one bit set mode, e.g. 0x1, 0x4 */
6123 	if (!is_fec_mode_one_bit_set(mode))
6124 		hns3_err(hw, "FEC mode(0x%x) not supported in HNS3 PMD,"
6125 			     "FEC mode should be only one bit set", mode);
6126 
6127 	/*
6128 	 * Check whether the configured mode is within the FEC capability.
6129 	 * If not, the configured mode will not be supported.
6130 	 */
6131 	cur_capa = get_current_speed_fec_cap(hw, fec_capa);
6132 	if (!(cur_capa & mode)) {
6133 		hns3_err(hw, "unsupported FEC mode = 0x%x", mode);
6134 		return -EINVAL;
6135 	}
6136 
6137 	ret = hns3_set_fec_hw(hw, mode);
6138 	if (ret)
6139 		return ret;
6140 
6141 	pf->fec_mode = mode;
6142 	return 0;
6143 }
6144 
6145 static int
6146 hns3_restore_fec(struct hns3_hw *hw)
6147 {
6148 	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
6149 	struct hns3_pf *pf = &hns->pf;
6150 	uint32_t mode = pf->fec_mode;
6151 	int ret;
6152 
6153 	ret = hns3_set_fec_hw(hw, mode);
6154 	if (ret)
6155 		hns3_err(hw, "restore fec mode(0x%x) failed, ret = %d",
6156 			 mode, ret);
6157 
6158 	return ret;
6159 }
6160 
6161 static int
6162 hns3_query_dev_fec_info(struct hns3_hw *hw)
6163 {
6164 	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
6165 	struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(hns);
6166 	int ret;
6167 
6168 	ret = hns3_fec_get_internal(hw, &pf->fec_mode);
6169 	if (ret)
6170 		hns3_err(hw, "query device FEC info failed, ret = %d", ret);
6171 
6172 	return ret;
6173 }
6174 
6175 static const struct eth_dev_ops hns3_eth_dev_ops = {
6176 	.dev_configure      = hns3_dev_configure,
6177 	.dev_start          = hns3_dev_start,
6178 	.dev_stop           = hns3_dev_stop,
6179 	.dev_close          = hns3_dev_close,
6180 	.promiscuous_enable = hns3_dev_promiscuous_enable,
6181 	.promiscuous_disable = hns3_dev_promiscuous_disable,
6182 	.allmulticast_enable  = hns3_dev_allmulticast_enable,
6183 	.allmulticast_disable = hns3_dev_allmulticast_disable,
6184 	.mtu_set            = hns3_dev_mtu_set,
6185 	.stats_get          = hns3_stats_get,
6186 	.stats_reset        = hns3_stats_reset,
6187 	.xstats_get         = hns3_dev_xstats_get,
6188 	.xstats_get_names   = hns3_dev_xstats_get_names,
6189 	.xstats_reset       = hns3_dev_xstats_reset,
6190 	.xstats_get_by_id   = hns3_dev_xstats_get_by_id,
6191 	.xstats_get_names_by_id = hns3_dev_xstats_get_names_by_id,
6192 	.dev_infos_get          = hns3_dev_infos_get,
6193 	.fw_version_get         = hns3_fw_version_get,
6194 	.rx_queue_setup         = hns3_rx_queue_setup,
6195 	.tx_queue_setup         = hns3_tx_queue_setup,
6196 	.rx_queue_release       = hns3_dev_rx_queue_release,
6197 	.tx_queue_release       = hns3_dev_tx_queue_release,
6198 	.rx_queue_start         = hns3_dev_rx_queue_start,
6199 	.rx_queue_stop          = hns3_dev_rx_queue_stop,
6200 	.tx_queue_start         = hns3_dev_tx_queue_start,
6201 	.tx_queue_stop          = hns3_dev_tx_queue_stop,
6202 	.rx_queue_intr_enable   = hns3_dev_rx_queue_intr_enable,
6203 	.rx_queue_intr_disable  = hns3_dev_rx_queue_intr_disable,
6204 	.rxq_info_get           = hns3_rxq_info_get,
6205 	.txq_info_get           = hns3_txq_info_get,
6206 	.rx_burst_mode_get      = hns3_rx_burst_mode_get,
6207 	.tx_burst_mode_get      = hns3_tx_burst_mode_get,
6208 	.flow_ctrl_get          = hns3_flow_ctrl_get,
6209 	.flow_ctrl_set          = hns3_flow_ctrl_set,
6210 	.priority_flow_ctrl_set = hns3_priority_flow_ctrl_set,
6211 	.mac_addr_add           = hns3_add_mac_addr,
6212 	.mac_addr_remove        = hns3_remove_mac_addr,
6213 	.mac_addr_set           = hns3_set_default_mac_addr,
6214 	.set_mc_addr_list       = hns3_set_mc_mac_addr_list,
6215 	.link_update            = hns3_dev_link_update,
6216 	.rss_hash_update        = hns3_dev_rss_hash_update,
6217 	.rss_hash_conf_get      = hns3_dev_rss_hash_conf_get,
6218 	.reta_update            = hns3_dev_rss_reta_update,
6219 	.reta_query             = hns3_dev_rss_reta_query,
6220 	.filter_ctrl            = hns3_dev_filter_ctrl,
6221 	.vlan_filter_set        = hns3_vlan_filter_set,
6222 	.vlan_tpid_set          = hns3_vlan_tpid_set,
6223 	.vlan_offload_set       = hns3_vlan_offload_set,
6224 	.vlan_pvid_set          = hns3_vlan_pvid_set,
6225 	.get_reg                = hns3_get_regs,
6226 	.get_dcb_info           = hns3_get_dcb_info,
6227 	.dev_supported_ptypes_get = hns3_dev_supported_ptypes_get,
6228 	.fec_get_capability     = hns3_fec_get_capability,
6229 	.fec_get                = hns3_fec_get,
6230 	.fec_set                = hns3_fec_set,
6231 	.tm_ops_get             = hns3_tm_ops_get,
6232 };
6233 
6234 static const struct hns3_reset_ops hns3_reset_ops = {
6235 	.reset_service       = hns3_reset_service,
6236 	.stop_service        = hns3_stop_service,
6237 	.prepare_reset       = hns3_prepare_reset,
6238 	.wait_hardware_ready = hns3_wait_hardware_ready,
6239 	.reinit_dev          = hns3_reinit_dev,
6240 	.restore_conf	     = hns3_restore_conf,
6241 	.start_service       = hns3_start_service,
6242 };
6243 
6244 static int
6245 hns3_dev_init(struct rte_eth_dev *eth_dev)
6246 {
6247 	struct hns3_adapter *hns = eth_dev->data->dev_private;
6248 	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
6249 	struct rte_ether_addr *eth_addr;
6250 	struct hns3_hw *hw = &hns->hw;
6251 	int ret;
6252 
6253 	PMD_INIT_FUNC_TRACE();
6254 
6255 	eth_dev->process_private = (struct hns3_process_private *)
6256 	    rte_zmalloc_socket("hns3_filter_list",
6257 			       sizeof(struct hns3_process_private),
6258 			       RTE_CACHE_LINE_SIZE, eth_dev->device->numa_node);
6259 	if (eth_dev->process_private == NULL) {
6260 		PMD_INIT_LOG(ERR, "Failed to alloc memory for process private");
6261 		return -ENOMEM;
6262 	}
6263 	/* initialize flow filter lists */
6264 	hns3_filterlist_init(eth_dev);
6265 
6266 	hns3_set_rxtx_function(eth_dev);
6267 	eth_dev->dev_ops = &hns3_eth_dev_ops;
6268 	eth_dev->rx_queue_count = hns3_rx_queue_count;
6269 	if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
6270 		ret = hns3_mp_init_secondary();
6271 		if (ret) {
6272 			PMD_INIT_LOG(ERR, "Failed to init for secondary "
6273 				     "process, ret = %d", ret);
6274 			goto err_mp_init_secondary;
6275 		}
6276 
6277 		hw->secondary_cnt++;
6278 		return 0;
6279 	}
6280 
6281 	ret = hns3_mp_init_primary();
6282 	if (ret) {
6283 		PMD_INIT_LOG(ERR,
6284 			     "Failed to init for primary process, ret = %d",
6285 			     ret);
6286 		goto err_mp_init_primary;
6287 	}
6288 
6289 	hw->adapter_state = HNS3_NIC_UNINITIALIZED;
6290 	hns->is_vf = false;
6291 	hw->data = eth_dev->data;
6292 
6293 	/*
6294 	 * Set default max packet size according to the mtu
6295 	 * default vale in DPDK frame.
6296 	 */
6297 	hns->pf.mps = hw->data->mtu + HNS3_ETH_OVERHEAD;
6298 
6299 	ret = hns3_reset_init(hw);
6300 	if (ret)
6301 		goto err_init_reset;
6302 	hw->reset.ops = &hns3_reset_ops;
6303 
6304 	ret = hns3_init_pf(eth_dev);
6305 	if (ret) {
6306 		PMD_INIT_LOG(ERR, "Failed to init pf: %d", ret);
6307 		goto err_init_pf;
6308 	}
6309 
6310 	/* Allocate memory for storing MAC addresses */
6311 	eth_dev->data->mac_addrs = rte_zmalloc("hns3-mac",
6312 					       sizeof(struct rte_ether_addr) *
6313 					       HNS3_UC_MACADDR_NUM, 0);
6314 	if (eth_dev->data->mac_addrs == NULL) {
6315 		PMD_INIT_LOG(ERR, "Failed to allocate %zx bytes needed "
6316 			     "to store MAC addresses",
6317 			     sizeof(struct rte_ether_addr) *
6318 			     HNS3_UC_MACADDR_NUM);
6319 		ret = -ENOMEM;
6320 		goto err_rte_zmalloc;
6321 	}
6322 
6323 	eth_addr = (struct rte_ether_addr *)hw->mac.mac_addr;
6324 	if (!rte_is_valid_assigned_ether_addr(eth_addr)) {
6325 		rte_eth_random_addr(hw->mac.mac_addr);
6326 		hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
6327 				(struct rte_ether_addr *)hw->mac.mac_addr);
6328 		hns3_warn(hw, "default mac_addr from firmware is an invalid "
6329 			  "unicast address, using random MAC address %s",
6330 			  mac_str);
6331 	}
6332 	rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.mac_addr,
6333 			    &eth_dev->data->mac_addrs[0]);
6334 
6335 	hw->adapter_state = HNS3_NIC_INITIALIZED;
6336 
6337 	if (__atomic_load_n(&hw->reset.schedule, __ATOMIC_RELAXED) ==
6338 			    SCHEDULE_PENDING) {
6339 		hns3_err(hw, "Reschedule reset service after dev_init");
6340 		hns3_schedule_reset(hns);
6341 	} else {
6342 		/* IMP will wait ready flag before reset */
6343 		hns3_notify_reset_ready(hw, false);
6344 	}
6345 
6346 	hns3_info(hw, "hns3 dev initialization successful!");
6347 	return 0;
6348 
6349 err_rte_zmalloc:
6350 	hns3_uninit_pf(eth_dev);
6351 
6352 err_init_pf:
6353 	rte_free(hw->reset.wait_data);
6354 
6355 err_init_reset:
6356 	hns3_mp_uninit_primary();
6357 
6358 err_mp_init_primary:
6359 err_mp_init_secondary:
6360 	eth_dev->dev_ops = NULL;
6361 	eth_dev->rx_pkt_burst = NULL;
6362 	eth_dev->tx_pkt_burst = NULL;
6363 	eth_dev->tx_pkt_prepare = NULL;
6364 	rte_free(eth_dev->process_private);
6365 	eth_dev->process_private = NULL;
6366 	return ret;
6367 }
6368 
6369 static int
6370 hns3_dev_uninit(struct rte_eth_dev *eth_dev)
6371 {
6372 	struct hns3_adapter *hns = eth_dev->data->dev_private;
6373 	struct hns3_hw *hw = &hns->hw;
6374 
6375 	PMD_INIT_FUNC_TRACE();
6376 
6377 	if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
6378 		rte_free(eth_dev->process_private);
6379 		eth_dev->process_private = NULL;
6380 		return 0;
6381 	}
6382 
6383 	if (hw->adapter_state < HNS3_NIC_CLOSING)
6384 		hns3_dev_close(eth_dev);
6385 
6386 	hw->adapter_state = HNS3_NIC_REMOVED;
6387 	return 0;
6388 }
6389 
6390 static int
6391 eth_hns3_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
6392 		   struct rte_pci_device *pci_dev)
6393 {
6394 	return rte_eth_dev_pci_generic_probe(pci_dev,
6395 					     sizeof(struct hns3_adapter),
6396 					     hns3_dev_init);
6397 }
6398 
6399 static int
6400 eth_hns3_pci_remove(struct rte_pci_device *pci_dev)
6401 {
6402 	return rte_eth_dev_pci_generic_remove(pci_dev, hns3_dev_uninit);
6403 }
6404 
6405 static const struct rte_pci_id pci_id_hns3_map[] = {
6406 	{ RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_GE) },
6407 	{ RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_25GE) },
6408 	{ RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_25GE_RDMA) },
6409 	{ RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_50GE_RDMA) },
6410 	{ RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_100G_RDMA_MACSEC) },
6411 	{ RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_200G_RDMA) },
6412 	{ .vendor_id = 0, }, /* sentinel */
6413 };
6414 
6415 static struct rte_pci_driver rte_hns3_pmd = {
6416 	.id_table = pci_id_hns3_map,
6417 	.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
6418 	.probe = eth_hns3_pci_probe,
6419 	.remove = eth_hns3_pci_remove,
6420 };
6421 
6422 RTE_PMD_REGISTER_PCI(net_hns3, rte_hns3_pmd);
6423 RTE_PMD_REGISTER_PCI_TABLE(net_hns3, pci_id_hns3_map);
6424 RTE_PMD_REGISTER_KMOD_DEP(net_hns3, "* igb_uio | vfio-pci");
6425 RTE_LOG_REGISTER(hns3_logtype_init, pmd.net.hns3.init, NOTICE);
6426 RTE_LOG_REGISTER(hns3_logtype_driver, pmd.net.hns3.driver, NOTICE);
6427