xref: /dpdk/drivers/net/iavf/iavf_ethdev.c (revision b3d7b8d7)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2017 Intel Corporation
3  */
4 
5 #include <sys/queue.h>
6 #include <stdio.h>
7 #include <errno.h>
8 #include <stdint.h>
9 #include <string.h>
10 #include <unistd.h>
11 #include <stdarg.h>
12 #include <inttypes.h>
13 #include <rte_byteorder.h>
14 #include <rte_common.h>
15 
16 #include <rte_interrupts.h>
17 #include <rte_debug.h>
18 #include <rte_pci.h>
19 #include <rte_atomic.h>
20 #include <rte_eal.h>
21 #include <rte_ether.h>
22 #include <ethdev_driver.h>
23 #include <ethdev_pci.h>
24 #include <rte_malloc.h>
25 #include <rte_memzone.h>
26 #include <rte_dev.h>
27 
28 #include "iavf.h"
29 #include "iavf_rxtx.h"
30 #include "iavf_generic_flow.h"
31 #include "rte_pmd_iavf.h"
32 
33 /* devargs */
34 #define IAVF_PROTO_XTR_ARG         "proto_xtr"
35 
36 static const char * const iavf_valid_args[] = {
37 	IAVF_PROTO_XTR_ARG,
38 	NULL
39 };
40 
41 static const struct rte_mbuf_dynfield iavf_proto_xtr_metadata_param = {
42 	.name = "intel_pmd_dynfield_proto_xtr_metadata",
43 	.size = sizeof(uint32_t),
44 	.align = __alignof__(uint32_t),
45 	.flags = 0,
46 };
47 
48 struct iavf_proto_xtr_ol {
49 	const struct rte_mbuf_dynflag param;
50 	uint64_t *ol_flag;
51 	bool required;
52 };
53 
54 static struct iavf_proto_xtr_ol iavf_proto_xtr_params[] = {
55 	[IAVF_PROTO_XTR_VLAN] = {
56 		.param = { .name = "intel_pmd_dynflag_proto_xtr_vlan" },
57 		.ol_flag = &rte_pmd_ifd_dynflag_proto_xtr_vlan_mask },
58 	[IAVF_PROTO_XTR_IPV4] = {
59 		.param = { .name = "intel_pmd_dynflag_proto_xtr_ipv4" },
60 		.ol_flag = &rte_pmd_ifd_dynflag_proto_xtr_ipv4_mask },
61 	[IAVF_PROTO_XTR_IPV6] = {
62 		.param = { .name = "intel_pmd_dynflag_proto_xtr_ipv6" },
63 		.ol_flag = &rte_pmd_ifd_dynflag_proto_xtr_ipv6_mask },
64 	[IAVF_PROTO_XTR_IPV6_FLOW] = {
65 		.param = { .name = "intel_pmd_dynflag_proto_xtr_ipv6_flow" },
66 		.ol_flag = &rte_pmd_ifd_dynflag_proto_xtr_ipv6_flow_mask },
67 	[IAVF_PROTO_XTR_TCP] = {
68 		.param = { .name = "intel_pmd_dynflag_proto_xtr_tcp" },
69 		.ol_flag = &rte_pmd_ifd_dynflag_proto_xtr_tcp_mask },
70 	[IAVF_PROTO_XTR_IP_OFFSET] = {
71 		.param = { .name = "intel_pmd_dynflag_proto_xtr_ip_offset" },
72 		.ol_flag = &rte_pmd_ifd_dynflag_proto_xtr_ip_offset_mask },
73 };
74 
75 static int iavf_dev_configure(struct rte_eth_dev *dev);
76 static int iavf_dev_start(struct rte_eth_dev *dev);
77 static int iavf_dev_stop(struct rte_eth_dev *dev);
78 static int iavf_dev_close(struct rte_eth_dev *dev);
79 static int iavf_dev_reset(struct rte_eth_dev *dev);
80 static int iavf_dev_info_get(struct rte_eth_dev *dev,
81 			     struct rte_eth_dev_info *dev_info);
82 static const uint32_t *iavf_dev_supported_ptypes_get(struct rte_eth_dev *dev);
83 static int iavf_dev_stats_get(struct rte_eth_dev *dev,
84 			     struct rte_eth_stats *stats);
85 static int iavf_dev_stats_reset(struct rte_eth_dev *dev);
86 static int iavf_dev_xstats_get(struct rte_eth_dev *dev,
87 				 struct rte_eth_xstat *xstats, unsigned int n);
88 static int iavf_dev_xstats_get_names(struct rte_eth_dev *dev,
89 				       struct rte_eth_xstat_name *xstats_names,
90 				       unsigned int limit);
91 static int iavf_dev_promiscuous_enable(struct rte_eth_dev *dev);
92 static int iavf_dev_promiscuous_disable(struct rte_eth_dev *dev);
93 static int iavf_dev_allmulticast_enable(struct rte_eth_dev *dev);
94 static int iavf_dev_allmulticast_disable(struct rte_eth_dev *dev);
95 static int iavf_dev_add_mac_addr(struct rte_eth_dev *dev,
96 				struct rte_ether_addr *addr,
97 				uint32_t index,
98 				uint32_t pool);
99 static void iavf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index);
100 static int iavf_dev_vlan_filter_set(struct rte_eth_dev *dev,
101 				   uint16_t vlan_id, int on);
102 static int iavf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask);
103 static int iavf_dev_rss_reta_update(struct rte_eth_dev *dev,
104 				   struct rte_eth_rss_reta_entry64 *reta_conf,
105 				   uint16_t reta_size);
106 static int iavf_dev_rss_reta_query(struct rte_eth_dev *dev,
107 				  struct rte_eth_rss_reta_entry64 *reta_conf,
108 				  uint16_t reta_size);
109 static int iavf_dev_rss_hash_update(struct rte_eth_dev *dev,
110 				   struct rte_eth_rss_conf *rss_conf);
111 static int iavf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
112 				     struct rte_eth_rss_conf *rss_conf);
113 static int iavf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
114 static int iavf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
115 					 struct rte_ether_addr *mac_addr);
116 static int iavf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev,
117 					uint16_t queue_id);
118 static int iavf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev,
119 					 uint16_t queue_id);
120 static int iavf_dev_filter_ctrl(struct rte_eth_dev *dev,
121 		     enum rte_filter_type filter_type,
122 		     enum rte_filter_op filter_op,
123 		     void *arg);
124 static int iavf_set_mc_addr_list(struct rte_eth_dev *dev,
125 			struct rte_ether_addr *mc_addrs,
126 			uint32_t mc_addrs_num);
127 
128 static const struct rte_pci_id pci_id_iavf_map[] = {
129 	{ RTE_PCI_DEVICE(IAVF_INTEL_VENDOR_ID, IAVF_DEV_ID_ADAPTIVE_VF) },
130 	{ .vendor_id = 0, /* sentinel */ },
131 };
132 
133 struct rte_iavf_xstats_name_off {
134 	char name[RTE_ETH_XSTATS_NAME_SIZE];
135 	unsigned int offset;
136 };
137 
138 static const struct rte_iavf_xstats_name_off rte_iavf_stats_strings[] = {
139 	{"rx_bytes", offsetof(struct iavf_eth_stats, rx_bytes)},
140 	{"rx_unicast_packets", offsetof(struct iavf_eth_stats, rx_unicast)},
141 	{"rx_multicast_packets", offsetof(struct iavf_eth_stats, rx_multicast)},
142 	{"rx_broadcast_packets", offsetof(struct iavf_eth_stats, rx_broadcast)},
143 	{"rx_dropped_packets", offsetof(struct iavf_eth_stats, rx_discards)},
144 	{"rx_unknown_protocol_packets", offsetof(struct iavf_eth_stats,
145 		rx_unknown_protocol)},
146 	{"tx_bytes", offsetof(struct iavf_eth_stats, tx_bytes)},
147 	{"tx_unicast_packets", offsetof(struct iavf_eth_stats, tx_unicast)},
148 	{"tx_multicast_packets", offsetof(struct iavf_eth_stats, tx_multicast)},
149 	{"tx_broadcast_packets", offsetof(struct iavf_eth_stats, tx_broadcast)},
150 	{"tx_dropped_packets", offsetof(struct iavf_eth_stats, tx_discards)},
151 	{"tx_error_packets", offsetof(struct iavf_eth_stats, tx_errors)},
152 };
153 
154 #define IAVF_NB_XSTATS (sizeof(rte_iavf_stats_strings) / \
155 		sizeof(rte_iavf_stats_strings[0]))
156 
157 static const struct eth_dev_ops iavf_eth_dev_ops = {
158 	.dev_configure              = iavf_dev_configure,
159 	.dev_start                  = iavf_dev_start,
160 	.dev_stop                   = iavf_dev_stop,
161 	.dev_close                  = iavf_dev_close,
162 	.dev_reset                  = iavf_dev_reset,
163 	.dev_infos_get              = iavf_dev_info_get,
164 	.dev_supported_ptypes_get   = iavf_dev_supported_ptypes_get,
165 	.link_update                = iavf_dev_link_update,
166 	.stats_get                  = iavf_dev_stats_get,
167 	.stats_reset                = iavf_dev_stats_reset,
168 	.xstats_get                 = iavf_dev_xstats_get,
169 	.xstats_get_names           = iavf_dev_xstats_get_names,
170 	.xstats_reset               = iavf_dev_stats_reset,
171 	.promiscuous_enable         = iavf_dev_promiscuous_enable,
172 	.promiscuous_disable        = iavf_dev_promiscuous_disable,
173 	.allmulticast_enable        = iavf_dev_allmulticast_enable,
174 	.allmulticast_disable       = iavf_dev_allmulticast_disable,
175 	.mac_addr_add               = iavf_dev_add_mac_addr,
176 	.mac_addr_remove            = iavf_dev_del_mac_addr,
177 	.set_mc_addr_list			= iavf_set_mc_addr_list,
178 	.vlan_filter_set            = iavf_dev_vlan_filter_set,
179 	.vlan_offload_set           = iavf_dev_vlan_offload_set,
180 	.rx_queue_start             = iavf_dev_rx_queue_start,
181 	.rx_queue_stop              = iavf_dev_rx_queue_stop,
182 	.tx_queue_start             = iavf_dev_tx_queue_start,
183 	.tx_queue_stop              = iavf_dev_tx_queue_stop,
184 	.rx_queue_setup             = iavf_dev_rx_queue_setup,
185 	.rx_queue_release           = iavf_dev_rx_queue_release,
186 	.tx_queue_setup             = iavf_dev_tx_queue_setup,
187 	.tx_queue_release           = iavf_dev_tx_queue_release,
188 	.mac_addr_set               = iavf_dev_set_default_mac_addr,
189 	.reta_update                = iavf_dev_rss_reta_update,
190 	.reta_query                 = iavf_dev_rss_reta_query,
191 	.rss_hash_update            = iavf_dev_rss_hash_update,
192 	.rss_hash_conf_get          = iavf_dev_rss_hash_conf_get,
193 	.rxq_info_get               = iavf_dev_rxq_info_get,
194 	.txq_info_get               = iavf_dev_txq_info_get,
195 	.mtu_set                    = iavf_dev_mtu_set,
196 	.rx_queue_intr_enable       = iavf_dev_rx_queue_intr_enable,
197 	.rx_queue_intr_disable      = iavf_dev_rx_queue_intr_disable,
198 	.filter_ctrl                = iavf_dev_filter_ctrl,
199 	.tx_done_cleanup	    = iavf_dev_tx_done_cleanup,
200 };
201 
202 static int
203 iavf_set_mc_addr_list(struct rte_eth_dev *dev,
204 			struct rte_ether_addr *mc_addrs,
205 			uint32_t mc_addrs_num)
206 {
207 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
208 	struct iavf_adapter *adapter =
209 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
210 	int err, ret;
211 
212 	if (mc_addrs_num > IAVF_NUM_MACADDR_MAX) {
213 		PMD_DRV_LOG(ERR,
214 			    "can't add more than a limited number (%u) of addresses.",
215 			    (uint32_t)IAVF_NUM_MACADDR_MAX);
216 		return -EINVAL;
217 	}
218 
219 	/* flush previous addresses */
220 	err = iavf_add_del_mc_addr_list(adapter, vf->mc_addrs, vf->mc_addrs_num,
221 					false);
222 	if (err)
223 		return err;
224 
225 	/* add new ones */
226 	err = iavf_add_del_mc_addr_list(adapter, mc_addrs, mc_addrs_num, true);
227 
228 	if (err) {
229 		/* if adding mac address list fails, should add the previous
230 		 * addresses back.
231 		 */
232 		ret = iavf_add_del_mc_addr_list(adapter, vf->mc_addrs,
233 						vf->mc_addrs_num, true);
234 		if (ret)
235 			return ret;
236 	} else {
237 		vf->mc_addrs_num = mc_addrs_num;
238 		memcpy(vf->mc_addrs,
239 		       mc_addrs, mc_addrs_num * sizeof(*mc_addrs));
240 	}
241 
242 	return err;
243 }
244 
245 static int
246 iavf_init_rss(struct iavf_adapter *adapter)
247 {
248 	struct iavf_info *vf =  IAVF_DEV_PRIVATE_TO_VF(adapter);
249 	struct rte_eth_rss_conf *rss_conf;
250 	uint16_t i, j, nb_q;
251 	int ret;
252 
253 	rss_conf = &adapter->eth_dev->data->dev_conf.rx_adv_conf.rss_conf;
254 	nb_q = RTE_MIN(adapter->eth_dev->data->nb_rx_queues,
255 		       vf->max_rss_qregion);
256 
257 	if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF)) {
258 		PMD_DRV_LOG(DEBUG, "RSS is not supported");
259 		return -ENOTSUP;
260 	}
261 	if (adapter->eth_dev->data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_RSS) {
262 		PMD_DRV_LOG(WARNING, "RSS is enabled by PF by default");
263 		/* set all lut items to default queue */
264 		for (i = 0; i < vf->vf_res->rss_lut_size; i++)
265 			vf->rss_lut[i] = 0;
266 		ret = iavf_configure_rss_lut(adapter);
267 		return ret;
268 	}
269 
270 	/* configure RSS key */
271 	if (!rss_conf->rss_key) {
272 		/* Calculate the default hash key */
273 		for (i = 0; i <= vf->vf_res->rss_key_size; i++)
274 			vf->rss_key[i] = (uint8_t)rte_rand();
275 	} else
276 		rte_memcpy(vf->rss_key, rss_conf->rss_key,
277 			   RTE_MIN(rss_conf->rss_key_len,
278 				   vf->vf_res->rss_key_size));
279 
280 	/* init RSS LUT table */
281 	for (i = 0, j = 0; i < vf->vf_res->rss_lut_size; i++, j++) {
282 		if (j >= nb_q)
283 			j = 0;
284 		vf->rss_lut[i] = j;
285 	}
286 	/* send virtchnnl ops to configure rss*/
287 	ret = iavf_configure_rss_lut(adapter);
288 	if (ret)
289 		return ret;
290 	ret = iavf_configure_rss_key(adapter);
291 	if (ret)
292 		return ret;
293 
294 	/* Set RSS hash configuration based on rss_conf->rss_hf. */
295 	ret = iavf_rss_hash_set(adapter, rss_conf->rss_hf, true);
296 	if (ret) {
297 		PMD_DRV_LOG(ERR, "fail to set default RSS");
298 		return ret;
299 	}
300 
301 	return 0;
302 }
303 
304 static int
305 iavf_queues_req_reset(struct rte_eth_dev *dev, uint16_t num)
306 {
307 	struct iavf_adapter *ad =
308 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
309 	struct iavf_info *vf =  IAVF_DEV_PRIVATE_TO_VF(ad);
310 	int ret;
311 
312 	ret = iavf_request_queues(ad, num);
313 	if (ret) {
314 		PMD_DRV_LOG(ERR, "request queues from PF failed");
315 		return ret;
316 	}
317 	PMD_DRV_LOG(INFO, "change queue pairs from %u to %u",
318 			vf->vsi_res->num_queue_pairs, num);
319 
320 	ret = iavf_dev_reset(dev);
321 	if (ret) {
322 		PMD_DRV_LOG(ERR, "vf reset failed");
323 		return ret;
324 	}
325 
326 	return 0;
327 }
328 
329 static int
330 iavf_dev_vlan_insert_set(struct rte_eth_dev *dev)
331 {
332 	struct iavf_adapter *adapter =
333 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
334 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
335 	bool enable;
336 
337 	if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN_V2))
338 		return 0;
339 
340 	enable = !!(dev->data->dev_conf.txmode.offloads &
341 		    DEV_TX_OFFLOAD_VLAN_INSERT);
342 	iavf_config_vlan_insert_v2(adapter, enable);
343 
344 	return 0;
345 }
346 
347 static int
348 iavf_dev_init_vlan(struct rte_eth_dev *dev)
349 {
350 	int err;
351 
352 	err = iavf_dev_vlan_offload_set(dev,
353 					ETH_VLAN_STRIP_MASK |
354 					ETH_QINQ_STRIP_MASK |
355 					ETH_VLAN_FILTER_MASK |
356 					ETH_VLAN_EXTEND_MASK);
357 	if (err) {
358 		PMD_DRV_LOG(ERR, "Failed to update vlan offload");
359 		return err;
360 	}
361 
362 	err = iavf_dev_vlan_insert_set(dev);
363 	if (err)
364 		PMD_DRV_LOG(ERR, "Failed to update vlan insertion");
365 
366 	return err;
367 }
368 
369 static int
370 iavf_dev_configure(struct rte_eth_dev *dev)
371 {
372 	struct iavf_adapter *ad =
373 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
374 	struct iavf_info *vf =  IAVF_DEV_PRIVATE_TO_VF(ad);
375 	uint16_t num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues,
376 		dev->data->nb_tx_queues);
377 	int ret;
378 
379 	ad->rx_bulk_alloc_allowed = true;
380 	/* Initialize to TRUE. If any of Rx queues doesn't meet the
381 	 * vector Rx/Tx preconditions, it will be reset.
382 	 */
383 	ad->rx_vec_allowed = true;
384 	ad->tx_vec_allowed = true;
385 
386 	if (dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG)
387 		dev->data->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
388 
389 	/* Large VF setting */
390 	if (num_queue_pairs > IAVF_MAX_NUM_QUEUES_DFLT) {
391 		if (!(vf->vf_res->vf_cap_flags &
392 				VIRTCHNL_VF_LARGE_NUM_QPAIRS)) {
393 			PMD_DRV_LOG(ERR, "large VF is not supported");
394 			return -1;
395 		}
396 
397 		if (num_queue_pairs > IAVF_MAX_NUM_QUEUES_LV) {
398 			PMD_DRV_LOG(ERR, "queue pairs number cannot be larger than %u",
399 				IAVF_MAX_NUM_QUEUES_LV);
400 			return -1;
401 		}
402 
403 		ret = iavf_queues_req_reset(dev, num_queue_pairs);
404 		if (ret)
405 			return ret;
406 
407 		ret = iavf_get_max_rss_queue_region(ad);
408 		if (ret) {
409 			PMD_INIT_LOG(ERR, "get max rss queue region failed");
410 			return ret;
411 		}
412 
413 		vf->lv_enabled = true;
414 	} else {
415 		/* Check if large VF is already enabled. If so, disable and
416 		 * release redundant queue resource.
417 		 * Or check if enough queue pairs. If not, request them from PF.
418 		 */
419 		if (vf->lv_enabled ||
420 		    num_queue_pairs > vf->vsi_res->num_queue_pairs) {
421 			ret = iavf_queues_req_reset(dev, num_queue_pairs);
422 			if (ret)
423 				return ret;
424 
425 			vf->lv_enabled = false;
426 		}
427 		/* if large VF is not required, use default rss queue region */
428 		vf->max_rss_qregion = IAVF_MAX_NUM_QUEUES_DFLT;
429 	}
430 
431 	ret = iavf_dev_init_vlan(dev);
432 	if (ret)
433 		PMD_DRV_LOG(ERR, "configure VLAN failed: %d", ret);
434 
435 	if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
436 		if (iavf_init_rss(ad) != 0) {
437 			PMD_DRV_LOG(ERR, "configure rss failed");
438 			return -1;
439 		}
440 	}
441 	return 0;
442 }
443 
444 static int
445 iavf_init_rxq(struct rte_eth_dev *dev, struct iavf_rx_queue *rxq)
446 {
447 	struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
448 	struct rte_eth_dev_data *dev_data = dev->data;
449 	uint16_t buf_size, max_pkt_len, len;
450 
451 	buf_size = rte_pktmbuf_data_room_size(rxq->mp) - RTE_PKTMBUF_HEADROOM;
452 
453 	/* Calculate the maximum packet length allowed */
454 	len = rxq->rx_buf_len * IAVF_MAX_CHAINED_RX_BUFFERS;
455 	max_pkt_len = RTE_MIN(len, dev->data->dev_conf.rxmode.max_rx_pkt_len);
456 
457 	/* Check if the jumbo frame and maximum packet length are set
458 	 * correctly.
459 	 */
460 	if (dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
461 		if (max_pkt_len <= IAVF_ETH_MAX_LEN ||
462 		    max_pkt_len > IAVF_FRAME_SIZE_MAX) {
463 			PMD_DRV_LOG(ERR, "maximum packet length must be "
464 				    "larger than %u and smaller than %u, "
465 				    "as jumbo frame is enabled",
466 				    (uint32_t)IAVF_ETH_MAX_LEN,
467 				    (uint32_t)IAVF_FRAME_SIZE_MAX);
468 			return -EINVAL;
469 		}
470 	} else {
471 		if (max_pkt_len < RTE_ETHER_MIN_LEN ||
472 		    max_pkt_len > IAVF_ETH_MAX_LEN) {
473 			PMD_DRV_LOG(ERR, "maximum packet length must be "
474 				    "larger than %u and smaller than %u, "
475 				    "as jumbo frame is disabled",
476 				    (uint32_t)RTE_ETHER_MIN_LEN,
477 				    (uint32_t)IAVF_ETH_MAX_LEN);
478 			return -EINVAL;
479 		}
480 	}
481 
482 	rxq->max_pkt_len = max_pkt_len;
483 	if ((dev_data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_SCATTER) ||
484 	    rxq->max_pkt_len > buf_size) {
485 		dev_data->scattered_rx = 1;
486 	}
487 	IAVF_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
488 	IAVF_WRITE_FLUSH(hw);
489 
490 	return 0;
491 }
492 
493 static int
494 iavf_init_queues(struct rte_eth_dev *dev)
495 {
496 	struct iavf_rx_queue **rxq =
497 		(struct iavf_rx_queue **)dev->data->rx_queues;
498 	int i, ret = IAVF_SUCCESS;
499 
500 	for (i = 0; i < dev->data->nb_rx_queues; i++) {
501 		if (!rxq[i] || !rxq[i]->q_set)
502 			continue;
503 		ret = iavf_init_rxq(dev, rxq[i]);
504 		if (ret != IAVF_SUCCESS)
505 			break;
506 	}
507 	/* set rx/tx function to vector/scatter/single-segment
508 	 * according to parameters
509 	 */
510 	iavf_set_rx_function(dev);
511 	iavf_set_tx_function(dev);
512 
513 	return ret;
514 }
515 
516 static int iavf_config_rx_queues_irqs(struct rte_eth_dev *dev,
517 				     struct rte_intr_handle *intr_handle)
518 {
519 	struct iavf_adapter *adapter =
520 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
521 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
522 	struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
523 	struct iavf_qv_map *qv_map;
524 	uint16_t interval, i;
525 	int vec;
526 
527 	if (rte_intr_cap_multiple(intr_handle) &&
528 	    dev->data->dev_conf.intr_conf.rxq) {
529 		if (rte_intr_efd_enable(intr_handle, dev->data->nb_rx_queues))
530 			return -1;
531 	}
532 
533 	if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
534 		intr_handle->intr_vec =
535 			rte_zmalloc("intr_vec",
536 				    dev->data->nb_rx_queues * sizeof(int), 0);
537 		if (!intr_handle->intr_vec) {
538 			PMD_DRV_LOG(ERR, "Failed to allocate %d rx intr_vec",
539 				    dev->data->nb_rx_queues);
540 			return -1;
541 		}
542 	}
543 
544 	qv_map = rte_zmalloc("qv_map",
545 		dev->data->nb_rx_queues * sizeof(struct iavf_qv_map), 0);
546 	if (!qv_map) {
547 		PMD_DRV_LOG(ERR, "Failed to allocate %d queue-vector map",
548 				dev->data->nb_rx_queues);
549 		return -1;
550 	}
551 
552 	if (!dev->data->dev_conf.intr_conf.rxq ||
553 	    !rte_intr_dp_is_en(intr_handle)) {
554 		/* Rx interrupt disabled, Map interrupt only for writeback */
555 		vf->nb_msix = 1;
556 		if (vf->vf_res->vf_cap_flags &
557 		    VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) {
558 			/* If WB_ON_ITR supports, enable it */
559 			vf->msix_base = IAVF_RX_VEC_START;
560 			/* Set the ITR for index zero, to 2us to make sure that
561 			 * we leave time for aggregation to occur, but don't
562 			 * increase latency dramatically.
563 			 */
564 			IAVF_WRITE_REG(hw,
565 				       IAVF_VFINT_DYN_CTLN1(vf->msix_base - 1),
566 				       (0 << IAVF_VFINT_DYN_CTLN1_ITR_INDX_SHIFT) |
567 				       IAVF_VFINT_DYN_CTLN1_WB_ON_ITR_MASK |
568 				       (2UL << IAVF_VFINT_DYN_CTLN1_INTERVAL_SHIFT));
569 			/* debug - check for success! the return value
570 			 * should be 2, offset is 0x2800
571 			 */
572 			/* IAVF_READ_REG(hw, IAVF_VFINT_ITRN1(0, 0)); */
573 		} else {
574 			/* If no WB_ON_ITR offload flags, need to set
575 			 * interrupt for descriptor write back.
576 			 */
577 			vf->msix_base = IAVF_MISC_VEC_ID;
578 
579 			/* set ITR to max */
580 			interval = iavf_calc_itr_interval(
581 					IAVF_QUEUE_ITR_INTERVAL_MAX);
582 			IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
583 				       IAVF_VFINT_DYN_CTL01_INTENA_MASK |
584 				       (IAVF_ITR_INDEX_DEFAULT <<
585 					IAVF_VFINT_DYN_CTL01_ITR_INDX_SHIFT) |
586 				       (interval <<
587 					IAVF_VFINT_DYN_CTL01_INTERVAL_SHIFT));
588 		}
589 		IAVF_WRITE_FLUSH(hw);
590 		/* map all queues to the same interrupt */
591 		for (i = 0; i < dev->data->nb_rx_queues; i++) {
592 			qv_map[i].queue_id = i;
593 			qv_map[i].vector_id = vf->msix_base;
594 		}
595 		vf->qv_map = qv_map;
596 	} else {
597 		if (!rte_intr_allow_others(intr_handle)) {
598 			vf->nb_msix = 1;
599 			vf->msix_base = IAVF_MISC_VEC_ID;
600 			for (i = 0; i < dev->data->nb_rx_queues; i++) {
601 				qv_map[i].queue_id = i;
602 				qv_map[i].vector_id = vf->msix_base;
603 				intr_handle->intr_vec[i] = IAVF_MISC_VEC_ID;
604 			}
605 			vf->qv_map = qv_map;
606 			PMD_DRV_LOG(DEBUG,
607 				    "vector %u are mapping to all Rx queues",
608 				    vf->msix_base);
609 		} else {
610 			/* If Rx interrupt is reuquired, and we can use
611 			 * multi interrupts, then the vec is from 1
612 			 */
613 			vf->nb_msix = RTE_MIN(intr_handle->nb_efd,
614 				 (uint16_t)(vf->vf_res->max_vectors - 1));
615 			vf->msix_base = IAVF_RX_VEC_START;
616 			vec = IAVF_RX_VEC_START;
617 			for (i = 0; i < dev->data->nb_rx_queues; i++) {
618 				qv_map[i].queue_id = i;
619 				qv_map[i].vector_id = vec;
620 				intr_handle->intr_vec[i] = vec++;
621 				if (vec >= vf->nb_msix + IAVF_RX_VEC_START)
622 					vec = IAVF_RX_VEC_START;
623 			}
624 			vf->qv_map = qv_map;
625 			PMD_DRV_LOG(DEBUG,
626 				    "%u vectors are mapping to %u Rx queues",
627 				    vf->nb_msix, dev->data->nb_rx_queues);
628 		}
629 	}
630 
631 	if (!vf->lv_enabled) {
632 		if (iavf_config_irq_map(adapter)) {
633 			PMD_DRV_LOG(ERR, "config interrupt mapping failed");
634 			return -1;
635 		}
636 	} else {
637 		uint16_t num_qv_maps = dev->data->nb_rx_queues;
638 		uint16_t index = 0;
639 
640 		while (num_qv_maps > IAVF_IRQ_MAP_NUM_PER_BUF) {
641 			if (iavf_config_irq_map_lv(adapter,
642 					IAVF_IRQ_MAP_NUM_PER_BUF, index)) {
643 				PMD_DRV_LOG(ERR, "config interrupt mapping for large VF failed");
644 				return -1;
645 			}
646 			num_qv_maps -= IAVF_IRQ_MAP_NUM_PER_BUF;
647 			index += IAVF_IRQ_MAP_NUM_PER_BUF;
648 		}
649 
650 		if (iavf_config_irq_map_lv(adapter, num_qv_maps, index)) {
651 			PMD_DRV_LOG(ERR, "config interrupt mapping for large VF failed");
652 			return -1;
653 		}
654 	}
655 	return 0;
656 }
657 
658 static int
659 iavf_start_queues(struct rte_eth_dev *dev)
660 {
661 	struct iavf_rx_queue *rxq;
662 	struct iavf_tx_queue *txq;
663 	int i;
664 
665 	for (i = 0; i < dev->data->nb_tx_queues; i++) {
666 		txq = dev->data->tx_queues[i];
667 		if (txq->tx_deferred_start)
668 			continue;
669 		if (iavf_dev_tx_queue_start(dev, i) != 0) {
670 			PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
671 			return -1;
672 		}
673 	}
674 
675 	for (i = 0; i < dev->data->nb_rx_queues; i++) {
676 		rxq = dev->data->rx_queues[i];
677 		if (rxq->rx_deferred_start)
678 			continue;
679 		if (iavf_dev_rx_queue_start(dev, i) != 0) {
680 			PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
681 			return -1;
682 		}
683 	}
684 
685 	return 0;
686 }
687 
688 static int
689 iavf_dev_start(struct rte_eth_dev *dev)
690 {
691 	struct iavf_adapter *adapter =
692 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
693 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
694 	struct rte_intr_handle *intr_handle = dev->intr_handle;
695 	uint16_t num_queue_pairs;
696 	uint16_t index = 0;
697 
698 	PMD_INIT_FUNC_TRACE();
699 
700 	adapter->stopped = 0;
701 
702 	vf->max_pkt_len = dev->data->dev_conf.rxmode.max_rx_pkt_len;
703 	vf->num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues,
704 				      dev->data->nb_tx_queues);
705 	num_queue_pairs = vf->num_queue_pairs;
706 
707 	if (iavf_init_queues(dev) != 0) {
708 		PMD_DRV_LOG(ERR, "failed to do Queue init");
709 		return -1;
710 	}
711 
712 	/* If needed, send configure queues msg multiple times to make the
713 	 * adminq buffer length smaller than the 4K limitation.
714 	 */
715 	while (num_queue_pairs > IAVF_CFG_Q_NUM_PER_BUF) {
716 		if (iavf_configure_queues(adapter,
717 				IAVF_CFG_Q_NUM_PER_BUF, index) != 0) {
718 			PMD_DRV_LOG(ERR, "configure queues failed");
719 			goto err_queue;
720 		}
721 		num_queue_pairs -= IAVF_CFG_Q_NUM_PER_BUF;
722 		index += IAVF_CFG_Q_NUM_PER_BUF;
723 	}
724 
725 	if (iavf_configure_queues(adapter, num_queue_pairs, index) != 0) {
726 		PMD_DRV_LOG(ERR, "configure queues failed");
727 		goto err_queue;
728 	}
729 
730 	if (iavf_config_rx_queues_irqs(dev, intr_handle) != 0) {
731 		PMD_DRV_LOG(ERR, "configure irq failed");
732 		goto err_queue;
733 	}
734 	/* re-enable intr again, because efd assign may change */
735 	if (dev->data->dev_conf.intr_conf.rxq != 0) {
736 		rte_intr_disable(intr_handle);
737 		rte_intr_enable(intr_handle);
738 	}
739 
740 	/* Set all mac addrs */
741 	iavf_add_del_all_mac_addr(adapter, true);
742 
743 	/* Set all multicast addresses */
744 	iavf_add_del_mc_addr_list(adapter, vf->mc_addrs, vf->mc_addrs_num,
745 				  true);
746 
747 	if (iavf_start_queues(dev) != 0) {
748 		PMD_DRV_LOG(ERR, "enable queues failed");
749 		goto err_mac;
750 	}
751 
752 	return 0;
753 
754 err_mac:
755 	iavf_add_del_all_mac_addr(adapter, false);
756 err_queue:
757 	return -1;
758 }
759 
760 static int
761 iavf_dev_stop(struct rte_eth_dev *dev)
762 {
763 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
764 	struct iavf_adapter *adapter =
765 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
766 	struct rte_intr_handle *intr_handle = dev->intr_handle;
767 
768 	PMD_INIT_FUNC_TRACE();
769 
770 	if (adapter->stopped == 1)
771 		return 0;
772 
773 	iavf_stop_queues(dev);
774 
775 	/* Disable the interrupt for Rx */
776 	rte_intr_efd_disable(intr_handle);
777 	/* Rx interrupt vector mapping free */
778 	if (intr_handle->intr_vec) {
779 		rte_free(intr_handle->intr_vec);
780 		intr_handle->intr_vec = NULL;
781 	}
782 
783 	/* remove all mac addrs */
784 	iavf_add_del_all_mac_addr(adapter, false);
785 
786 	/* remove all multicast addresses */
787 	iavf_add_del_mc_addr_list(adapter, vf->mc_addrs, vf->mc_addrs_num,
788 				  false);
789 
790 	adapter->stopped = 1;
791 	dev->data->dev_started = 0;
792 
793 	return 0;
794 }
795 
796 static int
797 iavf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
798 {
799 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
800 
801 	dev_info->max_rx_queues = IAVF_MAX_NUM_QUEUES_LV;
802 	dev_info->max_tx_queues = IAVF_MAX_NUM_QUEUES_LV;
803 	dev_info->min_rx_bufsize = IAVF_BUF_SIZE_MIN;
804 	dev_info->max_rx_pktlen = IAVF_FRAME_SIZE_MAX;
805 	dev_info->max_mtu = dev_info->max_rx_pktlen - IAVF_ETH_OVERHEAD;
806 	dev_info->min_mtu = RTE_ETHER_MIN_MTU;
807 	dev_info->hash_key_size = vf->vf_res->rss_key_size;
808 	dev_info->reta_size = vf->vf_res->rss_lut_size;
809 	dev_info->flow_type_rss_offloads = IAVF_RSS_OFFLOAD_ALL;
810 	dev_info->max_mac_addrs = IAVF_NUM_MACADDR_MAX;
811 	dev_info->rx_offload_capa =
812 		DEV_RX_OFFLOAD_VLAN_STRIP |
813 		DEV_RX_OFFLOAD_QINQ_STRIP |
814 		DEV_RX_OFFLOAD_IPV4_CKSUM |
815 		DEV_RX_OFFLOAD_UDP_CKSUM |
816 		DEV_RX_OFFLOAD_TCP_CKSUM |
817 		DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
818 		DEV_RX_OFFLOAD_SCATTER |
819 		DEV_RX_OFFLOAD_JUMBO_FRAME |
820 		DEV_RX_OFFLOAD_VLAN_FILTER |
821 		DEV_RX_OFFLOAD_RSS_HASH;
822 
823 	dev_info->tx_offload_capa =
824 		DEV_TX_OFFLOAD_VLAN_INSERT |
825 		DEV_TX_OFFLOAD_QINQ_INSERT |
826 		DEV_TX_OFFLOAD_IPV4_CKSUM |
827 		DEV_TX_OFFLOAD_UDP_CKSUM |
828 		DEV_TX_OFFLOAD_TCP_CKSUM |
829 		DEV_TX_OFFLOAD_SCTP_CKSUM |
830 		DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
831 		DEV_TX_OFFLOAD_TCP_TSO |
832 		DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
833 		DEV_TX_OFFLOAD_GRE_TNL_TSO |
834 		DEV_TX_OFFLOAD_IPIP_TNL_TSO |
835 		DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
836 		DEV_TX_OFFLOAD_MULTI_SEGS |
837 		DEV_TX_OFFLOAD_MBUF_FAST_FREE;
838 
839 	if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_CRC)
840 		dev_info->rx_offload_capa |= DEV_RX_OFFLOAD_KEEP_CRC;
841 
842 	dev_info->default_rxconf = (struct rte_eth_rxconf) {
843 		.rx_free_thresh = IAVF_DEFAULT_RX_FREE_THRESH,
844 		.rx_drop_en = 0,
845 		.offloads = 0,
846 	};
847 
848 	dev_info->default_txconf = (struct rte_eth_txconf) {
849 		.tx_free_thresh = IAVF_DEFAULT_TX_FREE_THRESH,
850 		.tx_rs_thresh = IAVF_DEFAULT_TX_RS_THRESH,
851 		.offloads = 0,
852 	};
853 
854 	dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
855 		.nb_max = IAVF_MAX_RING_DESC,
856 		.nb_min = IAVF_MIN_RING_DESC,
857 		.nb_align = IAVF_ALIGN_RING_DESC,
858 	};
859 
860 	dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
861 		.nb_max = IAVF_MAX_RING_DESC,
862 		.nb_min = IAVF_MIN_RING_DESC,
863 		.nb_align = IAVF_ALIGN_RING_DESC,
864 	};
865 
866 	return 0;
867 }
868 
869 static const uint32_t *
870 iavf_dev_supported_ptypes_get(struct rte_eth_dev *dev __rte_unused)
871 {
872 	static const uint32_t ptypes[] = {
873 		RTE_PTYPE_L2_ETHER,
874 		RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
875 		RTE_PTYPE_L4_FRAG,
876 		RTE_PTYPE_L4_ICMP,
877 		RTE_PTYPE_L4_NONFRAG,
878 		RTE_PTYPE_L4_SCTP,
879 		RTE_PTYPE_L4_TCP,
880 		RTE_PTYPE_L4_UDP,
881 		RTE_PTYPE_UNKNOWN
882 	};
883 	return ptypes;
884 }
885 
886 int
887 iavf_dev_link_update(struct rte_eth_dev *dev,
888 		    __rte_unused int wait_to_complete)
889 {
890 	struct rte_eth_link new_link;
891 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
892 
893 	memset(&new_link, 0, sizeof(new_link));
894 
895 	/* Only read status info stored in VF, and the info is updated
896 	 *  when receive LINK_CHANGE evnet from PF by Virtchnnl.
897 	 */
898 	switch (vf->link_speed) {
899 	case 10:
900 		new_link.link_speed = ETH_SPEED_NUM_10M;
901 		break;
902 	case 100:
903 		new_link.link_speed = ETH_SPEED_NUM_100M;
904 		break;
905 	case 1000:
906 		new_link.link_speed = ETH_SPEED_NUM_1G;
907 		break;
908 	case 10000:
909 		new_link.link_speed = ETH_SPEED_NUM_10G;
910 		break;
911 	case 20000:
912 		new_link.link_speed = ETH_SPEED_NUM_20G;
913 		break;
914 	case 25000:
915 		new_link.link_speed = ETH_SPEED_NUM_25G;
916 		break;
917 	case 40000:
918 		new_link.link_speed = ETH_SPEED_NUM_40G;
919 		break;
920 	case 50000:
921 		new_link.link_speed = ETH_SPEED_NUM_50G;
922 		break;
923 	case 100000:
924 		new_link.link_speed = ETH_SPEED_NUM_100G;
925 		break;
926 	default:
927 		new_link.link_speed = ETH_SPEED_NUM_NONE;
928 		break;
929 	}
930 
931 	new_link.link_duplex = ETH_LINK_FULL_DUPLEX;
932 	new_link.link_status = vf->link_up ? ETH_LINK_UP :
933 					     ETH_LINK_DOWN;
934 	new_link.link_autoneg = !(dev->data->dev_conf.link_speeds &
935 				ETH_LINK_SPEED_FIXED);
936 
937 	return rte_eth_linkstatus_set(dev, &new_link);
938 }
939 
940 static int
941 iavf_dev_promiscuous_enable(struct rte_eth_dev *dev)
942 {
943 	struct iavf_adapter *adapter =
944 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
945 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
946 
947 	return iavf_config_promisc(adapter,
948 				  true, vf->promisc_multicast_enabled);
949 }
950 
951 static int
952 iavf_dev_promiscuous_disable(struct rte_eth_dev *dev)
953 {
954 	struct iavf_adapter *adapter =
955 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
956 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
957 
958 	return iavf_config_promisc(adapter,
959 				  false, vf->promisc_multicast_enabled);
960 }
961 
962 static int
963 iavf_dev_allmulticast_enable(struct rte_eth_dev *dev)
964 {
965 	struct iavf_adapter *adapter =
966 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
967 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
968 
969 	return iavf_config_promisc(adapter,
970 				  vf->promisc_unicast_enabled, true);
971 }
972 
973 static int
974 iavf_dev_allmulticast_disable(struct rte_eth_dev *dev)
975 {
976 	struct iavf_adapter *adapter =
977 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
978 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
979 
980 	return iavf_config_promisc(adapter,
981 				  vf->promisc_unicast_enabled, false);
982 }
983 
984 static int
985 iavf_dev_add_mac_addr(struct rte_eth_dev *dev, struct rte_ether_addr *addr,
986 		     __rte_unused uint32_t index,
987 		     __rte_unused uint32_t pool)
988 {
989 	struct iavf_adapter *adapter =
990 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
991 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
992 	int err;
993 
994 	if (rte_is_zero_ether_addr(addr)) {
995 		PMD_DRV_LOG(ERR, "Invalid Ethernet Address");
996 		return -EINVAL;
997 	}
998 
999 	err = iavf_add_del_eth_addr(adapter, addr, true);
1000 	if (err) {
1001 		PMD_DRV_LOG(ERR, "fail to add MAC address");
1002 		return -EIO;
1003 	}
1004 
1005 	vf->mac_num++;
1006 
1007 	return 0;
1008 }
1009 
1010 static void
1011 iavf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index)
1012 {
1013 	struct iavf_adapter *adapter =
1014 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1015 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
1016 	struct rte_ether_addr *addr;
1017 	int err;
1018 
1019 	addr = &dev->data->mac_addrs[index];
1020 
1021 	err = iavf_add_del_eth_addr(adapter, addr, false);
1022 	if (err)
1023 		PMD_DRV_LOG(ERR, "fail to delete MAC address");
1024 
1025 	vf->mac_num--;
1026 }
1027 
1028 static int
1029 iavf_dev_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
1030 {
1031 	struct iavf_adapter *adapter =
1032 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1033 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
1034 	int err;
1035 
1036 	if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN_V2) {
1037 		err = iavf_add_del_vlan_v2(adapter, vlan_id, on);
1038 		if (err)
1039 			return -EIO;
1040 		return 0;
1041 	}
1042 
1043 	if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
1044 		return -ENOTSUP;
1045 
1046 	err = iavf_add_del_vlan(adapter, vlan_id, on);
1047 	if (err)
1048 		return -EIO;
1049 	return 0;
1050 }
1051 
1052 static void
1053 iavf_iterate_vlan_filters_v2(struct rte_eth_dev *dev, bool enable)
1054 {
1055 	struct rte_vlan_filter_conf *vfc = &dev->data->vlan_filter_conf;
1056 	struct iavf_adapter *adapter =
1057 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1058 	uint32_t i, j;
1059 	uint64_t ids;
1060 
1061 	for (i = 0; i < RTE_DIM(vfc->ids); i++) {
1062 		if (vfc->ids[i] == 0)
1063 			continue;
1064 
1065 		ids = vfc->ids[i];
1066 		for (j = 0; ids != 0 && j < 64; j++, ids >>= 1) {
1067 			if (ids & 1)
1068 				iavf_add_del_vlan_v2(adapter,
1069 						     64 * i + j, enable);
1070 		}
1071 	}
1072 }
1073 
1074 static int
1075 iavf_dev_vlan_offload_set_v2(struct rte_eth_dev *dev, int mask)
1076 {
1077 	struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
1078 	struct iavf_adapter *adapter =
1079 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1080 	bool enable;
1081 	int err;
1082 
1083 	if (mask & ETH_VLAN_FILTER_MASK) {
1084 		enable = !!(rxmode->offloads & DEV_RX_OFFLOAD_VLAN_FILTER);
1085 
1086 		iavf_iterate_vlan_filters_v2(dev, enable);
1087 	}
1088 
1089 	if (mask & ETH_VLAN_STRIP_MASK) {
1090 		enable = !!(rxmode->offloads & DEV_RX_OFFLOAD_VLAN_STRIP);
1091 
1092 		err = iavf_config_vlan_strip_v2(adapter, enable);
1093 		/* If not support, the stripping is already disabled by PF */
1094 		if (err == -ENOTSUP && !enable)
1095 			err = 0;
1096 		if (err)
1097 			return -EIO;
1098 	}
1099 
1100 	return 0;
1101 }
1102 
1103 static int
1104 iavf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask)
1105 {
1106 	struct iavf_adapter *adapter =
1107 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1108 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
1109 	struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
1110 	int err;
1111 
1112 	if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN_V2)
1113 		return iavf_dev_vlan_offload_set_v2(dev, mask);
1114 
1115 	if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
1116 		return -ENOTSUP;
1117 
1118 	/* Vlan stripping setting */
1119 	if (mask & ETH_VLAN_STRIP_MASK) {
1120 		/* Enable or disable VLAN stripping */
1121 		if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
1122 			err = iavf_enable_vlan_strip(adapter);
1123 		else
1124 			err = iavf_disable_vlan_strip(adapter);
1125 
1126 		if (err)
1127 			return -EIO;
1128 	}
1129 	return 0;
1130 }
1131 
1132 static int
1133 iavf_dev_rss_reta_update(struct rte_eth_dev *dev,
1134 			struct rte_eth_rss_reta_entry64 *reta_conf,
1135 			uint16_t reta_size)
1136 {
1137 	struct iavf_adapter *adapter =
1138 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1139 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
1140 	uint8_t *lut;
1141 	uint16_t i, idx, shift;
1142 	int ret;
1143 
1144 	if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
1145 		return -ENOTSUP;
1146 
1147 	if (reta_size != vf->vf_res->rss_lut_size) {
1148 		PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
1149 			"(%d) doesn't match the number of hardware can "
1150 			"support (%d)", reta_size, vf->vf_res->rss_lut_size);
1151 		return -EINVAL;
1152 	}
1153 
1154 	lut = rte_zmalloc("rss_lut", reta_size, 0);
1155 	if (!lut) {
1156 		PMD_DRV_LOG(ERR, "No memory can be allocated");
1157 		return -ENOMEM;
1158 	}
1159 	/* store the old lut table temporarily */
1160 	rte_memcpy(lut, vf->rss_lut, reta_size);
1161 
1162 	for (i = 0; i < reta_size; i++) {
1163 		idx = i / RTE_RETA_GROUP_SIZE;
1164 		shift = i % RTE_RETA_GROUP_SIZE;
1165 		if (reta_conf[idx].mask & (1ULL << shift))
1166 			lut[i] = reta_conf[idx].reta[shift];
1167 	}
1168 
1169 	rte_memcpy(vf->rss_lut, lut, reta_size);
1170 	/* send virtchnnl ops to configure rss*/
1171 	ret = iavf_configure_rss_lut(adapter);
1172 	if (ret) /* revert back */
1173 		rte_memcpy(vf->rss_lut, lut, reta_size);
1174 	rte_free(lut);
1175 
1176 	return ret;
1177 }
1178 
1179 static int
1180 iavf_dev_rss_reta_query(struct rte_eth_dev *dev,
1181 		       struct rte_eth_rss_reta_entry64 *reta_conf,
1182 		       uint16_t reta_size)
1183 {
1184 	struct iavf_adapter *adapter =
1185 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1186 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
1187 	uint16_t i, idx, shift;
1188 
1189 	if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
1190 		return -ENOTSUP;
1191 
1192 	if (reta_size != vf->vf_res->rss_lut_size) {
1193 		PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
1194 			"(%d) doesn't match the number of hardware can "
1195 			"support (%d)", reta_size, vf->vf_res->rss_lut_size);
1196 		return -EINVAL;
1197 	}
1198 
1199 	for (i = 0; i < reta_size; i++) {
1200 		idx = i / RTE_RETA_GROUP_SIZE;
1201 		shift = i % RTE_RETA_GROUP_SIZE;
1202 		if (reta_conf[idx].mask & (1ULL << shift))
1203 			reta_conf[idx].reta[shift] = vf->rss_lut[i];
1204 	}
1205 
1206 	return 0;
1207 }
1208 
1209 static int
1210 iavf_set_rss_key(struct iavf_adapter *adapter, uint8_t *key, uint8_t key_len)
1211 {
1212 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
1213 
1214 	/* HENA setting, it is enabled by default, no change */
1215 	if (!key || key_len == 0) {
1216 		PMD_DRV_LOG(DEBUG, "No key to be configured");
1217 		return 0;
1218 	} else if (key_len != vf->vf_res->rss_key_size) {
1219 		PMD_DRV_LOG(ERR, "The size of hash key configured "
1220 			"(%d) doesn't match the size of hardware can "
1221 			"support (%d)", key_len,
1222 			vf->vf_res->rss_key_size);
1223 		return -EINVAL;
1224 	}
1225 
1226 	rte_memcpy(vf->rss_key, key, key_len);
1227 
1228 	return iavf_configure_rss_key(adapter);
1229 }
1230 
1231 static int
1232 iavf_dev_rss_hash_update(struct rte_eth_dev *dev,
1233 			struct rte_eth_rss_conf *rss_conf)
1234 {
1235 	struct iavf_adapter *adapter =
1236 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1237 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
1238 	int ret;
1239 
1240 	adapter->eth_dev->data->dev_conf.rx_adv_conf.rss_conf = *rss_conf;
1241 
1242 	if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
1243 		return -ENOTSUP;
1244 
1245 	/* Set hash key. */
1246 	ret = iavf_set_rss_key(adapter, rss_conf->rss_key,
1247 			       rss_conf->rss_key_len);
1248 	if (ret)
1249 		return ret;
1250 
1251 	if (rss_conf->rss_hf == 0)
1252 		return 0;
1253 
1254 	/* Clear existing RSS. */
1255 	ret = iavf_set_hena(adapter, 0);
1256 
1257 	/* It is a workaround, temporarily allow error to be returned
1258 	 * due to possible lack of PF handling for hena = 0.
1259 	 */
1260 	if (ret)
1261 		PMD_DRV_LOG(WARNING, "fail to clean existing RSS,"
1262 			    "lack PF support");
1263 
1264 	/* Set new RSS configuration. */
1265 	ret = iavf_rss_hash_set(adapter, rss_conf->rss_hf, true);
1266 	if (ret) {
1267 		PMD_DRV_LOG(ERR, "fail to set new RSS");
1268 		return ret;
1269 	}
1270 
1271 	return 0;
1272 }
1273 
1274 static int
1275 iavf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
1276 			  struct rte_eth_rss_conf *rss_conf)
1277 {
1278 	struct iavf_adapter *adapter =
1279 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1280 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
1281 
1282 	if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
1283 		return -ENOTSUP;
1284 
1285 	rss_conf->rss_hf = vf->rss_hf;
1286 
1287 	if (!rss_conf->rss_key)
1288 		return 0;
1289 
1290 	rss_conf->rss_key_len = vf->vf_res->rss_key_size;
1291 	rte_memcpy(rss_conf->rss_key, vf->rss_key, rss_conf->rss_key_len);
1292 
1293 	return 0;
1294 }
1295 
1296 static int
1297 iavf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
1298 {
1299 	uint32_t frame_size = mtu + IAVF_ETH_OVERHEAD;
1300 	int ret = 0;
1301 
1302 	if (mtu < RTE_ETHER_MIN_MTU || frame_size > IAVF_FRAME_SIZE_MAX)
1303 		return -EINVAL;
1304 
1305 	/* mtu setting is forbidden if port is start */
1306 	if (dev->data->dev_started) {
1307 		PMD_DRV_LOG(ERR, "port must be stopped before configuration");
1308 		return -EBUSY;
1309 	}
1310 
1311 	if (frame_size > IAVF_ETH_MAX_LEN)
1312 		dev->data->dev_conf.rxmode.offloads |=
1313 				DEV_RX_OFFLOAD_JUMBO_FRAME;
1314 	else
1315 		dev->data->dev_conf.rxmode.offloads &=
1316 				~DEV_RX_OFFLOAD_JUMBO_FRAME;
1317 
1318 	dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
1319 
1320 	return ret;
1321 }
1322 
1323 static int
1324 iavf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
1325 			     struct rte_ether_addr *mac_addr)
1326 {
1327 	struct iavf_adapter *adapter =
1328 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1329 	struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
1330 	struct rte_ether_addr *perm_addr, *old_addr;
1331 	int ret;
1332 
1333 	old_addr = (struct rte_ether_addr *)hw->mac.addr;
1334 	perm_addr = (struct rte_ether_addr *)hw->mac.perm_addr;
1335 
1336 	/* If the MAC address is configured by host, skip the setting */
1337 	if (rte_is_valid_assigned_ether_addr(perm_addr))
1338 		return -EPERM;
1339 
1340 	ret = iavf_add_del_eth_addr(adapter, old_addr, false);
1341 	if (ret)
1342 		PMD_DRV_LOG(ERR, "Fail to delete old MAC:"
1343 			    " %02X:%02X:%02X:%02X:%02X:%02X",
1344 			    old_addr->addr_bytes[0],
1345 			    old_addr->addr_bytes[1],
1346 			    old_addr->addr_bytes[2],
1347 			    old_addr->addr_bytes[3],
1348 			    old_addr->addr_bytes[4],
1349 			    old_addr->addr_bytes[5]);
1350 
1351 	ret = iavf_add_del_eth_addr(adapter, mac_addr, true);
1352 	if (ret)
1353 		PMD_DRV_LOG(ERR, "Fail to add new MAC:"
1354 			    " %02X:%02X:%02X:%02X:%02X:%02X",
1355 			    mac_addr->addr_bytes[0],
1356 			    mac_addr->addr_bytes[1],
1357 			    mac_addr->addr_bytes[2],
1358 			    mac_addr->addr_bytes[3],
1359 			    mac_addr->addr_bytes[4],
1360 			    mac_addr->addr_bytes[5]);
1361 
1362 	if (ret)
1363 		return -EIO;
1364 
1365 	rte_ether_addr_copy(mac_addr, (struct rte_ether_addr *)hw->mac.addr);
1366 	return 0;
1367 }
1368 
1369 static void
1370 iavf_stat_update_48(uint64_t *offset, uint64_t *stat)
1371 {
1372 	if (*stat >= *offset)
1373 		*stat = *stat - *offset;
1374 	else
1375 		*stat = (uint64_t)((*stat +
1376 			((uint64_t)1 << IAVF_48_BIT_WIDTH)) - *offset);
1377 
1378 	*stat &= IAVF_48_BIT_MASK;
1379 }
1380 
1381 static void
1382 iavf_stat_update_32(uint64_t *offset, uint64_t *stat)
1383 {
1384 	if (*stat >= *offset)
1385 		*stat = (uint64_t)(*stat - *offset);
1386 	else
1387 		*stat = (uint64_t)((*stat +
1388 			((uint64_t)1 << IAVF_32_BIT_WIDTH)) - *offset);
1389 }
1390 
1391 static void
1392 iavf_update_stats(struct iavf_vsi *vsi, struct virtchnl_eth_stats *nes)
1393 {
1394 	struct virtchnl_eth_stats *oes = &vsi->eth_stats_offset;
1395 
1396 	iavf_stat_update_48(&oes->rx_bytes, &nes->rx_bytes);
1397 	iavf_stat_update_48(&oes->rx_unicast, &nes->rx_unicast);
1398 	iavf_stat_update_48(&oes->rx_multicast, &nes->rx_multicast);
1399 	iavf_stat_update_48(&oes->rx_broadcast, &nes->rx_broadcast);
1400 	iavf_stat_update_32(&oes->rx_discards, &nes->rx_discards);
1401 	iavf_stat_update_48(&oes->tx_bytes, &nes->tx_bytes);
1402 	iavf_stat_update_48(&oes->tx_unicast, &nes->tx_unicast);
1403 	iavf_stat_update_48(&oes->tx_multicast, &nes->tx_multicast);
1404 	iavf_stat_update_48(&oes->tx_broadcast, &nes->tx_broadcast);
1405 	iavf_stat_update_32(&oes->tx_errors, &nes->tx_errors);
1406 	iavf_stat_update_32(&oes->tx_discards, &nes->tx_discards);
1407 }
1408 
1409 static int
1410 iavf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
1411 {
1412 	struct iavf_adapter *adapter =
1413 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1414 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1415 	struct iavf_vsi *vsi = &vf->vsi;
1416 	struct virtchnl_eth_stats *pstats = NULL;
1417 	int ret;
1418 
1419 	ret = iavf_query_stats(adapter, &pstats);
1420 	if (ret == 0) {
1421 		uint8_t crc_stats_len = (dev->data->dev_conf.rxmode.offloads &
1422 					 DEV_RX_OFFLOAD_KEEP_CRC) ? 0 :
1423 					 RTE_ETHER_CRC_LEN;
1424 		iavf_update_stats(vsi, pstats);
1425 		stats->ipackets = pstats->rx_unicast + pstats->rx_multicast +
1426 				pstats->rx_broadcast - pstats->rx_discards;
1427 		stats->opackets = pstats->tx_broadcast + pstats->tx_multicast +
1428 						pstats->tx_unicast;
1429 		stats->imissed = pstats->rx_discards;
1430 		stats->oerrors = pstats->tx_errors + pstats->tx_discards;
1431 		stats->ibytes = pstats->rx_bytes;
1432 		stats->ibytes -= stats->ipackets * crc_stats_len;
1433 		stats->obytes = pstats->tx_bytes;
1434 	} else {
1435 		PMD_DRV_LOG(ERR, "Get statistics failed");
1436 	}
1437 	return ret;
1438 }
1439 
1440 static int
1441 iavf_dev_stats_reset(struct rte_eth_dev *dev)
1442 {
1443 	int ret;
1444 	struct iavf_adapter *adapter =
1445 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1446 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1447 	struct iavf_vsi *vsi = &vf->vsi;
1448 	struct virtchnl_eth_stats *pstats = NULL;
1449 
1450 	/* read stat values to clear hardware registers */
1451 	ret = iavf_query_stats(adapter, &pstats);
1452 	if (ret != 0)
1453 		return ret;
1454 
1455 	/* set stats offset base on current values */
1456 	vsi->eth_stats_offset = *pstats;
1457 
1458 	return 0;
1459 }
1460 
1461 static int iavf_dev_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
1462 				      struct rte_eth_xstat_name *xstats_names,
1463 				      __rte_unused unsigned int limit)
1464 {
1465 	unsigned int i;
1466 
1467 	if (xstats_names != NULL)
1468 		for (i = 0; i < IAVF_NB_XSTATS; i++) {
1469 			snprintf(xstats_names[i].name,
1470 				sizeof(xstats_names[i].name),
1471 				"%s", rte_iavf_stats_strings[i].name);
1472 		}
1473 	return IAVF_NB_XSTATS;
1474 }
1475 
1476 static int iavf_dev_xstats_get(struct rte_eth_dev *dev,
1477 				 struct rte_eth_xstat *xstats, unsigned int n)
1478 {
1479 	int ret;
1480 	unsigned int i;
1481 	struct iavf_adapter *adapter =
1482 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1483 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1484 	struct iavf_vsi *vsi = &vf->vsi;
1485 	struct virtchnl_eth_stats *pstats = NULL;
1486 
1487 	if (n < IAVF_NB_XSTATS)
1488 		return IAVF_NB_XSTATS;
1489 
1490 	ret = iavf_query_stats(adapter, &pstats);
1491 	if (ret != 0)
1492 		return 0;
1493 
1494 	if (!xstats)
1495 		return 0;
1496 
1497 	iavf_update_stats(vsi, pstats);
1498 
1499 	/* loop over xstats array and values from pstats */
1500 	for (i = 0; i < IAVF_NB_XSTATS; i++) {
1501 		xstats[i].id = i;
1502 		xstats[i].value = *(uint64_t *)(((char *)pstats) +
1503 			rte_iavf_stats_strings[i].offset);
1504 	}
1505 
1506 	return IAVF_NB_XSTATS;
1507 }
1508 
1509 
1510 static int
1511 iavf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
1512 {
1513 	struct iavf_adapter *adapter =
1514 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1515 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1516 	struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
1517 	uint16_t msix_intr;
1518 
1519 	msix_intr = pci_dev->intr_handle.intr_vec[queue_id];
1520 	if (msix_intr == IAVF_MISC_VEC_ID) {
1521 		PMD_DRV_LOG(INFO, "MISC is also enabled for control");
1522 		IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
1523 			       IAVF_VFINT_DYN_CTL01_INTENA_MASK |
1524 			       IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK |
1525 			       IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
1526 	} else {
1527 		IAVF_WRITE_REG(hw,
1528 			       IAVF_VFINT_DYN_CTLN1
1529 				(msix_intr - IAVF_RX_VEC_START),
1530 			       IAVF_VFINT_DYN_CTLN1_INTENA_MASK |
1531 			       IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK |
1532 			       IAVF_VFINT_DYN_CTLN1_ITR_INDX_MASK);
1533 	}
1534 
1535 	IAVF_WRITE_FLUSH(hw);
1536 
1537 	rte_intr_ack(&pci_dev->intr_handle);
1538 
1539 	return 0;
1540 }
1541 
1542 static int
1543 iavf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
1544 {
1545 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1546 	struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1547 	uint16_t msix_intr;
1548 
1549 	msix_intr = pci_dev->intr_handle.intr_vec[queue_id];
1550 	if (msix_intr == IAVF_MISC_VEC_ID) {
1551 		PMD_DRV_LOG(ERR, "MISC is used for control, cannot disable it");
1552 		return -EIO;
1553 	}
1554 
1555 	IAVF_WRITE_REG(hw,
1556 		      IAVF_VFINT_DYN_CTLN1(msix_intr - IAVF_RX_VEC_START),
1557 		      0);
1558 
1559 	IAVF_WRITE_FLUSH(hw);
1560 	return 0;
1561 }
1562 
1563 static int
1564 iavf_check_vf_reset_done(struct iavf_hw *hw)
1565 {
1566 	int i, reset;
1567 
1568 	for (i = 0; i < IAVF_RESET_WAIT_CNT; i++) {
1569 		reset = IAVF_READ_REG(hw, IAVF_VFGEN_RSTAT) &
1570 			IAVF_VFGEN_RSTAT_VFR_STATE_MASK;
1571 		reset = reset >> IAVF_VFGEN_RSTAT_VFR_STATE_SHIFT;
1572 		if (reset == VIRTCHNL_VFR_VFACTIVE ||
1573 		    reset == VIRTCHNL_VFR_COMPLETED)
1574 			break;
1575 		rte_delay_ms(20);
1576 	}
1577 
1578 	if (i >= IAVF_RESET_WAIT_CNT)
1579 		return -1;
1580 
1581 	return 0;
1582 }
1583 
1584 static int
1585 iavf_lookup_proto_xtr_type(const char *flex_name)
1586 {
1587 	static struct {
1588 		const char *name;
1589 		enum iavf_proto_xtr_type type;
1590 	} xtr_type_map[] = {
1591 		{ "vlan",      IAVF_PROTO_XTR_VLAN      },
1592 		{ "ipv4",      IAVF_PROTO_XTR_IPV4      },
1593 		{ "ipv6",      IAVF_PROTO_XTR_IPV6      },
1594 		{ "ipv6_flow", IAVF_PROTO_XTR_IPV6_FLOW },
1595 		{ "tcp",       IAVF_PROTO_XTR_TCP       },
1596 		{ "ip_offset", IAVF_PROTO_XTR_IP_OFFSET },
1597 	};
1598 	uint32_t i;
1599 
1600 	for (i = 0; i < RTE_DIM(xtr_type_map); i++) {
1601 		if (strcmp(flex_name, xtr_type_map[i].name) == 0)
1602 			return xtr_type_map[i].type;
1603 	}
1604 
1605 	PMD_DRV_LOG(ERR, "wrong proto_xtr type, "
1606 		    "it should be: vlan|ipv4|ipv6|ipv6_flow|tcp|ip_offset");
1607 
1608 	return -1;
1609 }
1610 
1611 /**
1612  * Parse elem, the elem could be single number/range or '(' ')' group
1613  * 1) A single number elem, it's just a simple digit. e.g. 9
1614  * 2) A single range elem, two digits with a '-' between. e.g. 2-6
1615  * 3) A group elem, combines multiple 1) or 2) with '( )'. e.g (0,2-4,6)
1616  *    Within group elem, '-' used for a range separator;
1617  *                       ',' used for a single number.
1618  */
1619 static int
1620 iavf_parse_queue_set(const char *input, int xtr_type,
1621 		     struct iavf_devargs *devargs)
1622 {
1623 	const char *str = input;
1624 	char *end = NULL;
1625 	uint32_t min, max;
1626 	uint32_t idx;
1627 
1628 	while (isblank(*str))
1629 		str++;
1630 
1631 	if (!isdigit(*str) && *str != '(')
1632 		return -1;
1633 
1634 	/* process single number or single range of number */
1635 	if (*str != '(') {
1636 		errno = 0;
1637 		idx = strtoul(str, &end, 10);
1638 		if (errno || !end || idx >= IAVF_MAX_QUEUE_NUM)
1639 			return -1;
1640 
1641 		while (isblank(*end))
1642 			end++;
1643 
1644 		min = idx;
1645 		max = idx;
1646 
1647 		/* process single <number>-<number> */
1648 		if (*end == '-') {
1649 			end++;
1650 			while (isblank(*end))
1651 				end++;
1652 			if (!isdigit(*end))
1653 				return -1;
1654 
1655 			errno = 0;
1656 			idx = strtoul(end, &end, 10);
1657 			if (errno || !end || idx >= IAVF_MAX_QUEUE_NUM)
1658 				return -1;
1659 
1660 			max = idx;
1661 			while (isblank(*end))
1662 				end++;
1663 		}
1664 
1665 		if (*end != ':')
1666 			return -1;
1667 
1668 		for (idx = RTE_MIN(min, max);
1669 		     idx <= RTE_MAX(min, max); idx++)
1670 			devargs->proto_xtr[idx] = xtr_type;
1671 
1672 		return 0;
1673 	}
1674 
1675 	/* process set within bracket */
1676 	str++;
1677 	while (isblank(*str))
1678 		str++;
1679 	if (*str == '\0')
1680 		return -1;
1681 
1682 	min = IAVF_MAX_QUEUE_NUM;
1683 	do {
1684 		/* go ahead to the first digit */
1685 		while (isblank(*str))
1686 			str++;
1687 		if (!isdigit(*str))
1688 			return -1;
1689 
1690 		/* get the digit value */
1691 		errno = 0;
1692 		idx = strtoul(str, &end, 10);
1693 		if (errno || !end || idx >= IAVF_MAX_QUEUE_NUM)
1694 			return -1;
1695 
1696 		/* go ahead to separator '-',',' and ')' */
1697 		while (isblank(*end))
1698 			end++;
1699 		if (*end == '-') {
1700 			if (min == IAVF_MAX_QUEUE_NUM)
1701 				min = idx;
1702 			else /* avoid continuous '-' */
1703 				return -1;
1704 		} else if (*end == ',' || *end == ')') {
1705 			max = idx;
1706 			if (min == IAVF_MAX_QUEUE_NUM)
1707 				min = idx;
1708 
1709 			for (idx = RTE_MIN(min, max);
1710 			     idx <= RTE_MAX(min, max); idx++)
1711 				devargs->proto_xtr[idx] = xtr_type;
1712 
1713 			min = IAVF_MAX_QUEUE_NUM;
1714 		} else {
1715 			return -1;
1716 		}
1717 
1718 		str = end + 1;
1719 	} while (*end != ')' && *end != '\0');
1720 
1721 	return 0;
1722 }
1723 
1724 static int
1725 iavf_parse_queue_proto_xtr(const char *queues, struct iavf_devargs *devargs)
1726 {
1727 	const char *queue_start;
1728 	uint32_t idx;
1729 	int xtr_type;
1730 	char flex_name[32];
1731 
1732 	while (isblank(*queues))
1733 		queues++;
1734 
1735 	if (*queues != '[') {
1736 		xtr_type = iavf_lookup_proto_xtr_type(queues);
1737 		if (xtr_type < 0)
1738 			return -1;
1739 
1740 		devargs->proto_xtr_dflt = xtr_type;
1741 
1742 		return 0;
1743 	}
1744 
1745 	queues++;
1746 	do {
1747 		while (isblank(*queues))
1748 			queues++;
1749 		if (*queues == '\0')
1750 			return -1;
1751 
1752 		queue_start = queues;
1753 
1754 		/* go across a complete bracket */
1755 		if (*queue_start == '(') {
1756 			queues += strcspn(queues, ")");
1757 			if (*queues != ')')
1758 				return -1;
1759 		}
1760 
1761 		/* scan the separator ':' */
1762 		queues += strcspn(queues, ":");
1763 		if (*queues++ != ':')
1764 			return -1;
1765 		while (isblank(*queues))
1766 			queues++;
1767 
1768 		for (idx = 0; ; idx++) {
1769 			if (isblank(queues[idx]) ||
1770 			    queues[idx] == ',' ||
1771 			    queues[idx] == ']' ||
1772 			    queues[idx] == '\0')
1773 				break;
1774 
1775 			if (idx > sizeof(flex_name) - 2)
1776 				return -1;
1777 
1778 			flex_name[idx] = queues[idx];
1779 		}
1780 		flex_name[idx] = '\0';
1781 		xtr_type = iavf_lookup_proto_xtr_type(flex_name);
1782 		if (xtr_type < 0)
1783 			return -1;
1784 
1785 		queues += idx;
1786 
1787 		while (isblank(*queues) || *queues == ',' || *queues == ']')
1788 			queues++;
1789 
1790 		if (iavf_parse_queue_set(queue_start, xtr_type, devargs) < 0)
1791 			return -1;
1792 	} while (*queues != '\0');
1793 
1794 	return 0;
1795 }
1796 
1797 static int
1798 iavf_handle_proto_xtr_arg(__rte_unused const char *key, const char *value,
1799 			  void *extra_args)
1800 {
1801 	struct iavf_devargs *devargs = extra_args;
1802 
1803 	if (!value || !extra_args)
1804 		return -EINVAL;
1805 
1806 	if (iavf_parse_queue_proto_xtr(value, devargs) < 0) {
1807 		PMD_DRV_LOG(ERR, "the proto_xtr's parameter is wrong : '%s'",
1808 			    value);
1809 		return -1;
1810 	}
1811 
1812 	return 0;
1813 }
1814 
1815 static int iavf_parse_devargs(struct rte_eth_dev *dev)
1816 {
1817 	struct iavf_adapter *ad =
1818 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1819 	struct rte_devargs *devargs = dev->device->devargs;
1820 	struct rte_kvargs *kvlist;
1821 	int ret;
1822 
1823 	if (!devargs)
1824 		return 0;
1825 
1826 	kvlist = rte_kvargs_parse(devargs->args, iavf_valid_args);
1827 	if (!kvlist) {
1828 		PMD_INIT_LOG(ERR, "invalid kvargs key\n");
1829 		return -EINVAL;
1830 	}
1831 
1832 	ad->devargs.proto_xtr_dflt = IAVF_PROTO_XTR_NONE;
1833 	memset(ad->devargs.proto_xtr, IAVF_PROTO_XTR_NONE,
1834 	       sizeof(ad->devargs.proto_xtr));
1835 
1836 	ret = rte_kvargs_process(kvlist, IAVF_PROTO_XTR_ARG,
1837 				 &iavf_handle_proto_xtr_arg, &ad->devargs);
1838 	if (ret)
1839 		goto bail;
1840 
1841 bail:
1842 	rte_kvargs_free(kvlist);
1843 	return ret;
1844 }
1845 
1846 static void
1847 iavf_init_proto_xtr(struct rte_eth_dev *dev)
1848 {
1849 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1850 	struct iavf_adapter *ad =
1851 			IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1852 	const struct iavf_proto_xtr_ol *xtr_ol;
1853 	bool proto_xtr_enable = false;
1854 	int offset;
1855 	uint16_t i;
1856 
1857 	vf->proto_xtr = rte_zmalloc("vf proto xtr",
1858 				    vf->vsi_res->num_queue_pairs, 0);
1859 	if (unlikely(!(vf->proto_xtr))) {
1860 		PMD_DRV_LOG(ERR, "no memory for setting up proto_xtr's table");
1861 		return;
1862 	}
1863 
1864 	for (i = 0; i < vf->vsi_res->num_queue_pairs; i++) {
1865 		vf->proto_xtr[i] = ad->devargs.proto_xtr[i] !=
1866 					IAVF_PROTO_XTR_NONE ?
1867 					ad->devargs.proto_xtr[i] :
1868 					ad->devargs.proto_xtr_dflt;
1869 
1870 		if (vf->proto_xtr[i] != IAVF_PROTO_XTR_NONE) {
1871 			uint8_t type = vf->proto_xtr[i];
1872 
1873 			iavf_proto_xtr_params[type].required = true;
1874 			proto_xtr_enable = true;
1875 		}
1876 	}
1877 
1878 	if (likely(!proto_xtr_enable))
1879 		return;
1880 
1881 	offset = rte_mbuf_dynfield_register(&iavf_proto_xtr_metadata_param);
1882 	if (unlikely(offset == -1)) {
1883 		PMD_DRV_LOG(ERR,
1884 			    "failed to extract protocol metadata, error %d",
1885 			    -rte_errno);
1886 		return;
1887 	}
1888 
1889 	PMD_DRV_LOG(DEBUG,
1890 		    "proto_xtr metadata offset in mbuf is : %d",
1891 		    offset);
1892 	rte_pmd_ifd_dynfield_proto_xtr_metadata_offs = offset;
1893 
1894 	for (i = 0; i < RTE_DIM(iavf_proto_xtr_params); i++) {
1895 		xtr_ol = &iavf_proto_xtr_params[i];
1896 
1897 		uint8_t rxdid = iavf_proto_xtr_type_to_rxdid((uint8_t)i);
1898 
1899 		if (!xtr_ol->required)
1900 			continue;
1901 
1902 		if (!(vf->supported_rxdid & BIT(rxdid))) {
1903 			PMD_DRV_LOG(ERR,
1904 				    "rxdid[%u] is not supported in hardware",
1905 				    rxdid);
1906 			rte_pmd_ifd_dynfield_proto_xtr_metadata_offs = -1;
1907 			break;
1908 		}
1909 
1910 		offset = rte_mbuf_dynflag_register(&xtr_ol->param);
1911 		if (unlikely(offset == -1)) {
1912 			PMD_DRV_LOG(ERR,
1913 				    "failed to register proto_xtr offload '%s', error %d",
1914 				    xtr_ol->param.name, -rte_errno);
1915 
1916 			rte_pmd_ifd_dynfield_proto_xtr_metadata_offs = -1;
1917 			break;
1918 		}
1919 
1920 		PMD_DRV_LOG(DEBUG,
1921 			    "proto_xtr offload '%s' offset in mbuf is : %d",
1922 			    xtr_ol->param.name, offset);
1923 		*xtr_ol->ol_flag = 1ULL << offset;
1924 	}
1925 }
1926 
1927 static int
1928 iavf_init_vf(struct rte_eth_dev *dev)
1929 {
1930 	int err, bufsz;
1931 	struct iavf_adapter *adapter =
1932 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1933 	struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1934 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1935 
1936 	err = iavf_parse_devargs(dev);
1937 	if (err) {
1938 		PMD_INIT_LOG(ERR, "Failed to parse devargs");
1939 		goto err;
1940 	}
1941 
1942 	err = iavf_set_mac_type(hw);
1943 	if (err) {
1944 		PMD_INIT_LOG(ERR, "set_mac_type failed: %d", err);
1945 		goto err;
1946 	}
1947 
1948 	err = iavf_check_vf_reset_done(hw);
1949 	if (err) {
1950 		PMD_INIT_LOG(ERR, "VF is still resetting");
1951 		goto err;
1952 	}
1953 
1954 	iavf_init_adminq_parameter(hw);
1955 	err = iavf_init_adminq(hw);
1956 	if (err) {
1957 		PMD_INIT_LOG(ERR, "init_adminq failed: %d", err);
1958 		goto err;
1959 	}
1960 
1961 	vf->aq_resp = rte_zmalloc("vf_aq_resp", IAVF_AQ_BUF_SZ, 0);
1962 	if (!vf->aq_resp) {
1963 		PMD_INIT_LOG(ERR, "unable to allocate vf_aq_resp memory");
1964 		goto err_aq;
1965 	}
1966 	if (iavf_check_api_version(adapter) != 0) {
1967 		PMD_INIT_LOG(ERR, "check_api version failed");
1968 		goto err_api;
1969 	}
1970 
1971 	bufsz = sizeof(struct virtchnl_vf_resource) +
1972 		(IAVF_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource));
1973 	vf->vf_res = rte_zmalloc("vf_res", bufsz, 0);
1974 	if (!vf->vf_res) {
1975 		PMD_INIT_LOG(ERR, "unable to allocate vf_res memory");
1976 		goto err_api;
1977 	}
1978 	if (iavf_get_vf_resource(adapter) != 0) {
1979 		PMD_INIT_LOG(ERR, "iavf_get_vf_config failed");
1980 		goto err_alloc;
1981 	}
1982 	/* Allocate memort for RSS info */
1983 	if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
1984 		vf->rss_key = rte_zmalloc("rss_key",
1985 					  vf->vf_res->rss_key_size, 0);
1986 		if (!vf->rss_key) {
1987 			PMD_INIT_LOG(ERR, "unable to allocate rss_key memory");
1988 			goto err_rss;
1989 		}
1990 		vf->rss_lut = rte_zmalloc("rss_lut",
1991 					  vf->vf_res->rss_lut_size, 0);
1992 		if (!vf->rss_lut) {
1993 			PMD_INIT_LOG(ERR, "unable to allocate rss_lut memory");
1994 			goto err_rss;
1995 		}
1996 	}
1997 
1998 	if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC) {
1999 		if (iavf_get_supported_rxdid(adapter) != 0) {
2000 			PMD_INIT_LOG(ERR, "failed to do get supported rxdid");
2001 			goto err_rss;
2002 		}
2003 	}
2004 
2005 	if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN_V2) {
2006 		if (iavf_get_vlan_offload_caps_v2(adapter) != 0) {
2007 			PMD_INIT_LOG(ERR, "failed to do get VLAN offload v2 capabilities");
2008 			goto err_rss;
2009 		}
2010 	}
2011 
2012 	iavf_init_proto_xtr(dev);
2013 
2014 	return 0;
2015 err_rss:
2016 	rte_free(vf->rss_key);
2017 	rte_free(vf->rss_lut);
2018 err_alloc:
2019 	rte_free(vf->vf_res);
2020 	vf->vsi_res = NULL;
2021 err_api:
2022 	rte_free(vf->aq_resp);
2023 err_aq:
2024 	iavf_shutdown_adminq(hw);
2025 err:
2026 	return -1;
2027 }
2028 
2029 /* Enable default admin queue interrupt setting */
2030 static inline void
2031 iavf_enable_irq0(struct iavf_hw *hw)
2032 {
2033 	/* Enable admin queue interrupt trigger */
2034 	IAVF_WRITE_REG(hw, IAVF_VFINT_ICR0_ENA1,
2035 		       IAVF_VFINT_ICR0_ENA1_ADMINQ_MASK);
2036 
2037 	IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
2038 		       IAVF_VFINT_DYN_CTL01_INTENA_MASK |
2039 		       IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK |
2040 		       IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
2041 
2042 	IAVF_WRITE_FLUSH(hw);
2043 }
2044 
2045 static inline void
2046 iavf_disable_irq0(struct iavf_hw *hw)
2047 {
2048 	/* Disable all interrupt types */
2049 	IAVF_WRITE_REG(hw, IAVF_VFINT_ICR0_ENA1, 0);
2050 	IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
2051 		       IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
2052 	IAVF_WRITE_FLUSH(hw);
2053 }
2054 
2055 static void
2056 iavf_dev_interrupt_handler(void *param)
2057 {
2058 	struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
2059 	struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2060 
2061 	iavf_disable_irq0(hw);
2062 
2063 	iavf_handle_virtchnl_msg(dev);
2064 
2065 	iavf_enable_irq0(hw);
2066 }
2067 
2068 static int
2069 iavf_dev_filter_ctrl(struct rte_eth_dev *dev,
2070 		     enum rte_filter_type filter_type,
2071 		     enum rte_filter_op filter_op,
2072 		     void *arg)
2073 {
2074 	int ret = 0;
2075 
2076 	if (!dev)
2077 		return -EINVAL;
2078 
2079 	switch (filter_type) {
2080 	case RTE_ETH_FILTER_GENERIC:
2081 		if (filter_op != RTE_ETH_FILTER_GET)
2082 			return -EINVAL;
2083 		*(const void **)arg = &iavf_flow_ops;
2084 		break;
2085 	default:
2086 		PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
2087 			    filter_type);
2088 		ret = -EINVAL;
2089 		break;
2090 	}
2091 
2092 	return ret;
2093 }
2094 
2095 
2096 static int
2097 iavf_dev_init(struct rte_eth_dev *eth_dev)
2098 {
2099 	struct iavf_adapter *adapter =
2100 		IAVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
2101 	struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
2102 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
2103 	int ret = 0;
2104 
2105 	PMD_INIT_FUNC_TRACE();
2106 
2107 	/* assign ops func pointer */
2108 	eth_dev->dev_ops = &iavf_eth_dev_ops;
2109 	eth_dev->rx_queue_count = iavf_dev_rxq_count;
2110 	eth_dev->rx_descriptor_status = iavf_dev_rx_desc_status;
2111 	eth_dev->tx_descriptor_status = iavf_dev_tx_desc_status;
2112 	eth_dev->rx_pkt_burst = &iavf_recv_pkts;
2113 	eth_dev->tx_pkt_burst = &iavf_xmit_pkts;
2114 	eth_dev->tx_pkt_prepare = &iavf_prep_pkts;
2115 
2116 	/* For secondary processes, we don't initialise any further as primary
2117 	 * has already done this work. Only check if we need a different RX
2118 	 * and TX function.
2119 	 */
2120 	if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
2121 		iavf_set_rx_function(eth_dev);
2122 		iavf_set_tx_function(eth_dev);
2123 		return 0;
2124 	}
2125 	rte_eth_copy_pci_info(eth_dev, pci_dev);
2126 	eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
2127 
2128 	hw->vendor_id = pci_dev->id.vendor_id;
2129 	hw->device_id = pci_dev->id.device_id;
2130 	hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
2131 	hw->subsystem_device_id = pci_dev->id.subsystem_device_id;
2132 	hw->bus.bus_id = pci_dev->addr.bus;
2133 	hw->bus.device = pci_dev->addr.devid;
2134 	hw->bus.func = pci_dev->addr.function;
2135 	hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
2136 	hw->back = IAVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
2137 	adapter->eth_dev = eth_dev;
2138 	adapter->stopped = 1;
2139 
2140 	if (iavf_init_vf(eth_dev) != 0) {
2141 		PMD_INIT_LOG(ERR, "Init vf failed");
2142 		return -1;
2143 	}
2144 
2145 	/* set default ptype table */
2146 	adapter->ptype_tbl = iavf_get_default_ptype_table();
2147 
2148 	/* copy mac addr */
2149 	eth_dev->data->mac_addrs = rte_zmalloc(
2150 		"iavf_mac", RTE_ETHER_ADDR_LEN * IAVF_NUM_MACADDR_MAX, 0);
2151 	if (!eth_dev->data->mac_addrs) {
2152 		PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to"
2153 			     " store MAC addresses",
2154 			     RTE_ETHER_ADDR_LEN * IAVF_NUM_MACADDR_MAX);
2155 		return -ENOMEM;
2156 	}
2157 	/* If the MAC address is not configured by host,
2158 	 * generate a random one.
2159 	 */
2160 	if (!rte_is_valid_assigned_ether_addr(
2161 			(struct rte_ether_addr *)hw->mac.addr))
2162 		rte_eth_random_addr(hw->mac.addr);
2163 	rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.addr,
2164 			&eth_dev->data->mac_addrs[0]);
2165 
2166 	/* register callback func to eal lib */
2167 	rte_intr_callback_register(&pci_dev->intr_handle,
2168 				   iavf_dev_interrupt_handler,
2169 				   (void *)eth_dev);
2170 
2171 	/* enable uio intr after callback register */
2172 	rte_intr_enable(&pci_dev->intr_handle);
2173 
2174 	/* configure and enable device interrupt */
2175 	iavf_enable_irq0(hw);
2176 
2177 	ret = iavf_flow_init(adapter);
2178 	if (ret) {
2179 		PMD_INIT_LOG(ERR, "Failed to initialize flow");
2180 		return ret;
2181 	}
2182 
2183 	/* Set hena = 0 to ask PF to cleanup all existing RSS. */
2184 	ret = iavf_set_hena(adapter, 0);
2185 	if (ret)
2186 		/* It is a workaround, temporarily allow error to be returned
2187 		 * due to possible lack of PF handling for hena = 0.
2188 		 */
2189 		PMD_DRV_LOG(WARNING, "fail to disable default RSS,"
2190 			    "lack PF support");
2191 
2192 	return 0;
2193 }
2194 
2195 static int
2196 iavf_dev_close(struct rte_eth_dev *dev)
2197 {
2198 	struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2199 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2200 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
2201 	struct iavf_adapter *adapter =
2202 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
2203 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2204 	int ret;
2205 
2206 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
2207 		return 0;
2208 
2209 	ret = iavf_dev_stop(dev);
2210 
2211 	iavf_flow_flush(dev, NULL);
2212 	iavf_flow_uninit(adapter);
2213 
2214 	/*
2215 	 * disable promiscuous mode before reset vf
2216 	 * it is a workaround solution when work with kernel driver
2217 	 * and it is not the normal way
2218 	 */
2219 	if (vf->promisc_unicast_enabled || vf->promisc_multicast_enabled)
2220 		iavf_config_promisc(adapter, false, false);
2221 
2222 	iavf_shutdown_adminq(hw);
2223 	/* disable uio intr before callback unregister */
2224 	rte_intr_disable(intr_handle);
2225 
2226 	/* unregister callback func from eal lib */
2227 	rte_intr_callback_unregister(intr_handle,
2228 				     iavf_dev_interrupt_handler, dev);
2229 	iavf_disable_irq0(hw);
2230 
2231 	if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
2232 		if (vf->rss_lut) {
2233 			rte_free(vf->rss_lut);
2234 			vf->rss_lut = NULL;
2235 		}
2236 		if (vf->rss_key) {
2237 			rte_free(vf->rss_key);
2238 			vf->rss_key = NULL;
2239 		}
2240 	}
2241 
2242 	rte_free(vf->vf_res);
2243 	vf->vsi_res = NULL;
2244 	vf->vf_res = NULL;
2245 
2246 	rte_free(vf->aq_resp);
2247 	vf->aq_resp = NULL;
2248 
2249 	vf->vf_reset = false;
2250 
2251 	return ret;
2252 }
2253 
2254 static int
2255 iavf_dev_uninit(struct rte_eth_dev *dev)
2256 {
2257 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
2258 		return -EPERM;
2259 
2260 	iavf_dev_close(dev);
2261 
2262 	return 0;
2263 }
2264 
2265 /*
2266  * Reset VF device only to re-initialize resources in PMD layer
2267  */
2268 static int
2269 iavf_dev_reset(struct rte_eth_dev *dev)
2270 {
2271 	int ret;
2272 
2273 	ret = iavf_dev_uninit(dev);
2274 	if (ret)
2275 		return ret;
2276 
2277 	return iavf_dev_init(dev);
2278 }
2279 
2280 static int
2281 iavf_dcf_cap_check_handler(__rte_unused const char *key,
2282 			   const char *value, __rte_unused void *opaque)
2283 {
2284 	if (strcmp(value, "dcf"))
2285 		return -1;
2286 
2287 	return 0;
2288 }
2289 
2290 static int
2291 iavf_dcf_cap_selected(struct rte_devargs *devargs)
2292 {
2293 	struct rte_kvargs *kvlist;
2294 	const char *key = "cap";
2295 	int ret = 0;
2296 
2297 	if (devargs == NULL)
2298 		return 0;
2299 
2300 	kvlist = rte_kvargs_parse(devargs->args, NULL);
2301 	if (kvlist == NULL)
2302 		return 0;
2303 
2304 	if (!rte_kvargs_count(kvlist, key))
2305 		goto exit;
2306 
2307 	/* dcf capability selected when there's a key-value pair: cap=dcf */
2308 	if (rte_kvargs_process(kvlist, key,
2309 			       iavf_dcf_cap_check_handler, NULL) < 0)
2310 		goto exit;
2311 
2312 	ret = 1;
2313 
2314 exit:
2315 	rte_kvargs_free(kvlist);
2316 	return ret;
2317 }
2318 
2319 static int eth_iavf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
2320 			     struct rte_pci_device *pci_dev)
2321 {
2322 	if (iavf_dcf_cap_selected(pci_dev->device.devargs))
2323 		return 1;
2324 
2325 	return rte_eth_dev_pci_generic_probe(pci_dev,
2326 		sizeof(struct iavf_adapter), iavf_dev_init);
2327 }
2328 
2329 static int eth_iavf_pci_remove(struct rte_pci_device *pci_dev)
2330 {
2331 	return rte_eth_dev_pci_generic_remove(pci_dev, iavf_dev_uninit);
2332 }
2333 
2334 /* Adaptive virtual function driver struct */
2335 static struct rte_pci_driver rte_iavf_pmd = {
2336 	.id_table = pci_id_iavf_map,
2337 	.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
2338 	.probe = eth_iavf_pci_probe,
2339 	.remove = eth_iavf_pci_remove,
2340 };
2341 
2342 RTE_PMD_REGISTER_PCI(net_iavf, rte_iavf_pmd);
2343 RTE_PMD_REGISTER_PCI_TABLE(net_iavf, pci_id_iavf_map);
2344 RTE_PMD_REGISTER_KMOD_DEP(net_iavf, "* igb_uio | vfio-pci");
2345 RTE_PMD_REGISTER_PARAM_STRING(net_iavf, "cap=dcf");
2346 RTE_LOG_REGISTER(iavf_logtype_init, pmd.net.iavf.init, NOTICE);
2347 RTE_LOG_REGISTER(iavf_logtype_driver, pmd.net.iavf.driver, NOTICE);
2348 #ifdef RTE_LIBRTE_IAVF_DEBUG_RX
2349 RTE_LOG_REGISTER(iavf_logtype_rx, pmd.net.iavf.rx, DEBUG);
2350 #endif
2351 #ifdef RTE_LIBRTE_IAVF_DEBUG_TX
2352 RTE_LOG_REGISTER(iavf_logtype_tx, pmd.net.iavf.tx, DEBUG);
2353 #endif
2354 #ifdef RTE_LIBRTE_IAVF_DEBUG_TX_FREE
2355 RTE_LOG_REGISTER(iavf_logtype_tx_free, pmd.net.iavf.tx_free, DEBUG);
2356 #endif
2357