1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2018-2019 Hisilicon Limited.
7 #include <rte_flow_driver.h>
9 #include <rte_malloc.h>
11 #include "hns3_ethdev.h"
12 #include "hns3_logs.h"
14 /* Default default keys */
15 static uint8_t hns3_hash_key[] = {
16 0x6D, 0x5A, 0x56, 0xDA, 0x25, 0x5B, 0x0E, 0xC2,
17 0x41, 0x67, 0x25, 0x3D, 0x43, 0xA3, 0x8F, 0xB0,
18 0xD0, 0xCA, 0x2B, 0xCB, 0xAE, 0x7B, 0x30, 0xB4,
19 0x77, 0xCB, 0x2D, 0xA3, 0x80, 0x30, 0xF2, 0x0C,
20 0x6A, 0x42, 0xB7, 0x3B, 0xBE, 0xAC, 0x01, 0xFA
23 static const uint8_t full_mask[VNI_OR_TNI_LEN] = { 0xFF, 0xFF, 0xFF };
24 static const uint8_t zero_mask[VNI_OR_TNI_LEN] = { 0x00, 0x00, 0x00 };
26 /* Special Filter id for non-specific packet flagging. Don't change value */
27 #define HNS3_MAX_FILTER_ID 0x0FFF
29 #define ETHER_TYPE_MASK 0xFFFF
30 #define IPPROTO_MASK 0xFF
31 #define TUNNEL_TYPE_MASK 0xFFFF
33 #define HNS3_TUNNEL_TYPE_VXLAN 0x12B5
34 #define HNS3_TUNNEL_TYPE_VXLAN_GPE 0x12B6
35 #define HNS3_TUNNEL_TYPE_GENEVE 0x17C1
36 #define HNS3_TUNNEL_TYPE_NVGRE 0x6558
38 static enum rte_flow_item_type first_items[] = {
39 RTE_FLOW_ITEM_TYPE_ETH,
40 RTE_FLOW_ITEM_TYPE_IPV4,
41 RTE_FLOW_ITEM_TYPE_IPV6,
42 RTE_FLOW_ITEM_TYPE_TCP,
43 RTE_FLOW_ITEM_TYPE_UDP,
44 RTE_FLOW_ITEM_TYPE_SCTP,
45 RTE_FLOW_ITEM_TYPE_ICMP,
46 RTE_FLOW_ITEM_TYPE_NVGRE,
47 RTE_FLOW_ITEM_TYPE_VXLAN,
48 RTE_FLOW_ITEM_TYPE_GENEVE,
49 RTE_FLOW_ITEM_TYPE_VXLAN_GPE,
50 RTE_FLOW_ITEM_TYPE_MPLS
53 static enum rte_flow_item_type L2_next_items[] = {
54 RTE_FLOW_ITEM_TYPE_VLAN,
55 RTE_FLOW_ITEM_TYPE_IPV4,
56 RTE_FLOW_ITEM_TYPE_IPV6
59 static enum rte_flow_item_type L3_next_items[] = {
60 RTE_FLOW_ITEM_TYPE_TCP,
61 RTE_FLOW_ITEM_TYPE_UDP,
62 RTE_FLOW_ITEM_TYPE_SCTP,
63 RTE_FLOW_ITEM_TYPE_NVGRE,
64 RTE_FLOW_ITEM_TYPE_ICMP
67 static enum rte_flow_item_type L4_next_items[] = {
68 RTE_FLOW_ITEM_TYPE_VXLAN,
69 RTE_FLOW_ITEM_TYPE_GENEVE,
70 RTE_FLOW_ITEM_TYPE_VXLAN_GPE,
71 RTE_FLOW_ITEM_TYPE_MPLS
74 static enum rte_flow_item_type tunnel_next_items[] = {
75 RTE_FLOW_ITEM_TYPE_ETH,
76 RTE_FLOW_ITEM_TYPE_VLAN
79 struct items_step_mngr {
80 enum rte_flow_item_type *items;
85 net_addr_to_host(uint32_t *dst, const rte_be32_t *src, size_t len)
89 for (i = 0; i < len; i++)
90 dst[i] = rte_be_to_cpu_32(src[i]);
94 * This function is used to find rss general action.
95 * 1. As we know RSS is used to spread packets among several queues, the flow
96 * API provide the struct rte_flow_action_rss, user could config it's field
97 * sush as: func/level/types/key/queue to control RSS function.
98 * 2. The flow API also support queue region configuration for hns3. It was
99 * implemented by FDIR + RSS in hns3 hardware, user can create one FDIR rule
100 * which action is RSS queues region.
101 * 3. When action is RSS, we use the following rule to distinguish:
102 * Case 1: pattern have ETH and action's queue_num > 0, indicate it is queue
103 * region configuration.
104 * Case other: an rss general action.
106 static const struct rte_flow_action *
107 hns3_find_rss_general_action(const struct rte_flow_item pattern[],
108 const struct rte_flow_action actions[])
110 const struct rte_flow_action *act = NULL;
111 const struct hns3_rss_conf *rss;
112 bool have_eth = false;
114 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
115 if (actions->type == RTE_FLOW_ACTION_TYPE_RSS) {
123 for (; pattern->type != RTE_FLOW_ITEM_TYPE_END; pattern++) {
124 if (pattern->type == RTE_FLOW_ITEM_TYPE_ETH) {
131 if (have_eth && rss->conf.queue_num) {
133 * Patter have ETH and action's queue_num > 0, indicate this is
134 * queue region configuration.
135 * Because queue region is implemented by FDIR + RSS in hns3
136 * hardware, it need enter FDIR process, so here return NULL to
137 * avoid enter RSS process.
145 static inline struct hns3_flow_counter *
146 hns3_counter_lookup(struct rte_eth_dev *dev, uint32_t id)
148 struct hns3_adapter *hns = dev->data->dev_private;
149 struct hns3_pf *pf = &hns->pf;
150 struct hns3_flow_counter *cnt;
152 LIST_FOREACH(cnt, &pf->flow_counters, next) {
160 hns3_counter_new(struct rte_eth_dev *dev, uint32_t shared, uint32_t id,
161 struct rte_flow_error *error)
163 struct hns3_adapter *hns = dev->data->dev_private;
164 struct hns3_pf *pf = &hns->pf;
165 struct hns3_flow_counter *cnt;
167 cnt = hns3_counter_lookup(dev, id);
169 if (!cnt->shared || cnt->shared != shared)
170 return rte_flow_error_set(error, ENOTSUP,
171 RTE_FLOW_ERROR_TYPE_ACTION,
173 "Counter id is used,shared flag not match");
178 cnt = rte_zmalloc("hns3 counter", sizeof(*cnt), 0);
180 return rte_flow_error_set(error, ENOMEM,
181 RTE_FLOW_ERROR_TYPE_ACTION, cnt,
182 "Alloc mem for counter failed");
184 cnt->shared = shared;
187 LIST_INSERT_HEAD(&pf->flow_counters, cnt, next);
192 hns3_counter_query(struct rte_eth_dev *dev, struct rte_flow *flow,
193 struct rte_flow_query_count *qc,
194 struct rte_flow_error *error)
196 struct hns3_adapter *hns = dev->data->dev_private;
197 struct hns3_flow_counter *cnt;
201 /* FDIR is available only in PF driver */
203 return rte_flow_error_set(error, ENOTSUP,
204 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
205 "Fdir is not supported in VF");
206 cnt = hns3_counter_lookup(dev, flow->counter_id);
208 return rte_flow_error_set(error, EINVAL,
209 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
210 "Can't find counter id");
212 ret = hns3_get_count(&hns->hw, flow->counter_id, &value);
214 rte_flow_error_set(error, -ret,
215 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
216 NULL, "Read counter fail.");
226 hns3_counter_release(struct rte_eth_dev *dev, uint32_t id)
228 struct hns3_adapter *hns = dev->data->dev_private;
229 struct hns3_hw *hw = &hns->hw;
230 struct hns3_flow_counter *cnt;
232 cnt = hns3_counter_lookup(dev, id);
234 hns3_err(hw, "Can't find available counter to release");
238 if (cnt->ref_cnt == 0) {
239 LIST_REMOVE(cnt, next);
246 hns3_counter_flush(struct rte_eth_dev *dev)
248 struct hns3_adapter *hns = dev->data->dev_private;
249 struct hns3_pf *pf = &hns->pf;
250 struct hns3_flow_counter *cnt_ptr;
252 cnt_ptr = LIST_FIRST(&pf->flow_counters);
254 LIST_REMOVE(cnt_ptr, next);
256 cnt_ptr = LIST_FIRST(&pf->flow_counters);
261 hns3_handle_action_queue(struct rte_eth_dev *dev,
262 const struct rte_flow_action *action,
263 struct hns3_fdir_rule *rule,
264 struct rte_flow_error *error)
266 struct hns3_adapter *hns = dev->data->dev_private;
267 const struct rte_flow_action_queue *queue;
268 struct hns3_hw *hw = &hns->hw;
270 queue = (const struct rte_flow_action_queue *)action->conf;
271 if (queue->index >= hw->used_rx_queues) {
272 hns3_err(hw, "queue ID(%d) is greater than number of "
273 "available queue (%d) in driver.",
274 queue->index, hw->used_rx_queues);
275 return rte_flow_error_set(error, EINVAL,
276 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
277 action, "Invalid queue ID in PF");
280 rule->queue_id = queue->index;
282 rule->action = HNS3_FD_ACTION_ACCEPT_PACKET;
287 hns3_handle_action_queue_region(struct rte_eth_dev *dev,
288 const struct rte_flow_action *action,
289 struct hns3_fdir_rule *rule,
290 struct rte_flow_error *error)
292 struct hns3_adapter *hns = dev->data->dev_private;
293 const struct rte_flow_action_rss *conf = action->conf;
294 struct hns3_hw *hw = &hns->hw;
297 if (!hns3_dev_fd_queue_region_supported(hw))
298 return rte_flow_error_set(error, ENOTSUP,
299 RTE_FLOW_ERROR_TYPE_ACTION, action,
300 "Not support config queue region!");
302 if ((!rte_is_power_of_2(conf->queue_num)) ||
303 conf->queue_num > hw->rss_size_max ||
304 conf->queue[0] >= hw->used_rx_queues ||
305 conf->queue[0] + conf->queue_num > hw->used_rx_queues) {
306 return rte_flow_error_set(error, EINVAL,
307 RTE_FLOW_ERROR_TYPE_ACTION_CONF, action,
308 "Invalid start queue ID and queue num! the start queue "
309 "ID must valid, the queue num must be power of 2 and "
313 for (idx = 1; idx < conf->queue_num; idx++) {
314 if (conf->queue[idx] != conf->queue[idx - 1] + 1)
315 return rte_flow_error_set(error, EINVAL,
316 RTE_FLOW_ERROR_TYPE_ACTION_CONF, action,
317 "Invalid queue ID sequence! the queue ID "
318 "must be continuous increment.");
321 rule->queue_id = conf->queue[0];
322 rule->nb_queues = conf->queue_num;
323 rule->action = HNS3_FD_ACTION_ACCEPT_PACKET;
328 * Parse actions structure from the provided pattern.
329 * The pattern is validated as the items are copied.
333 * NIC specfilc actions derived from the actions.
337 hns3_handle_actions(struct rte_eth_dev *dev,
338 const struct rte_flow_action actions[],
339 struct hns3_fdir_rule *rule, struct rte_flow_error *error)
341 struct hns3_adapter *hns = dev->data->dev_private;
342 const struct rte_flow_action_count *act_count;
343 const struct rte_flow_action_mark *mark;
344 struct hns3_pf *pf = &hns->pf;
345 uint32_t counter_num;
348 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
349 switch (actions->type) {
350 case RTE_FLOW_ACTION_TYPE_QUEUE:
351 ret = hns3_handle_action_queue(dev, actions, rule,
356 case RTE_FLOW_ACTION_TYPE_DROP:
357 rule->action = HNS3_FD_ACTION_DROP_PACKET;
360 * Here RSS's real action is queue region.
361 * Queue region is implemented by FDIR + RSS in hns3 hardware,
362 * the FDIR's action is one queue region (start_queue_id and
363 * queue_num), then RSS spread packets to the queue region by
366 case RTE_FLOW_ACTION_TYPE_RSS:
367 ret = hns3_handle_action_queue_region(dev, actions,
372 case RTE_FLOW_ACTION_TYPE_MARK:
374 (const struct rte_flow_action_mark *)actions->conf;
375 if (mark->id >= HNS3_MAX_FILTER_ID)
376 return rte_flow_error_set(error, EINVAL,
377 RTE_FLOW_ERROR_TYPE_ACTION,
380 rule->fd_id = mark->id;
381 rule->flags |= HNS3_RULE_FLAG_FDID;
383 case RTE_FLOW_ACTION_TYPE_FLAG:
384 rule->fd_id = HNS3_MAX_FILTER_ID;
385 rule->flags |= HNS3_RULE_FLAG_FDID;
387 case RTE_FLOW_ACTION_TYPE_COUNT:
389 (const struct rte_flow_action_count *)actions->conf;
390 counter_num = pf->fdir.fd_cfg.cnt_num[HNS3_FD_STAGE_1];
391 if (act_count->id >= counter_num)
392 return rte_flow_error_set(error, EINVAL,
393 RTE_FLOW_ERROR_TYPE_ACTION,
395 "Invalid counter id");
396 rule->act_cnt = *act_count;
397 rule->flags |= HNS3_RULE_FLAG_COUNTER;
399 case RTE_FLOW_ACTION_TYPE_VOID:
402 return rte_flow_error_set(error, ENOTSUP,
403 RTE_FLOW_ERROR_TYPE_ACTION,
404 NULL, "Unsupported action");
411 /* Parse to get the attr and action info of flow director rule. */
413 hns3_check_attr(const struct rte_flow_attr *attr, struct rte_flow_error *error)
416 return rte_flow_error_set(error, EINVAL,
417 RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
418 attr, "Ingress can't be zero");
420 return rte_flow_error_set(error, ENOTSUP,
421 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
422 attr, "Not support egress");
424 return rte_flow_error_set(error, ENOTSUP,
425 RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
426 attr, "No support for transfer");
428 return rte_flow_error_set(error, ENOTSUP,
429 RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
430 attr, "Not support priority");
432 return rte_flow_error_set(error, ENOTSUP,
433 RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
434 attr, "Not support group");
439 hns3_parse_eth(const struct rte_flow_item *item,
440 struct hns3_fdir_rule *rule, struct rte_flow_error *error)
442 const struct rte_flow_item_eth *eth_spec;
443 const struct rte_flow_item_eth *eth_mask;
445 if (item->spec == NULL && item->mask)
446 return rte_flow_error_set(error, EINVAL,
447 RTE_FLOW_ERROR_TYPE_ITEM, item,
448 "Can't configure FDIR with mask but without spec");
450 /* Only used to describe the protocol stack. */
451 if (item->spec == NULL && item->mask == NULL)
455 eth_mask = item->mask;
456 if (eth_mask->type) {
457 hns3_set_bit(rule->input_set, INNER_ETH_TYPE, 1);
458 rule->key_conf.mask.ether_type =
459 rte_be_to_cpu_16(eth_mask->type);
461 if (!rte_is_zero_ether_addr(ð_mask->src)) {
462 hns3_set_bit(rule->input_set, INNER_SRC_MAC, 1);
463 memcpy(rule->key_conf.mask.src_mac,
464 eth_mask->src.addr_bytes, RTE_ETHER_ADDR_LEN);
466 if (!rte_is_zero_ether_addr(ð_mask->dst)) {
467 hns3_set_bit(rule->input_set, INNER_DST_MAC, 1);
468 memcpy(rule->key_conf.mask.dst_mac,
469 eth_mask->dst.addr_bytes, RTE_ETHER_ADDR_LEN);
473 eth_spec = item->spec;
474 rule->key_conf.spec.ether_type = rte_be_to_cpu_16(eth_spec->type);
475 memcpy(rule->key_conf.spec.src_mac, eth_spec->src.addr_bytes,
477 memcpy(rule->key_conf.spec.dst_mac, eth_spec->dst.addr_bytes,
483 hns3_parse_vlan(const struct rte_flow_item *item, struct hns3_fdir_rule *rule,
484 struct rte_flow_error *error)
486 const struct rte_flow_item_vlan *vlan_spec;
487 const struct rte_flow_item_vlan *vlan_mask;
489 if (item->spec == NULL && item->mask)
490 return rte_flow_error_set(error, EINVAL,
491 RTE_FLOW_ERROR_TYPE_ITEM, item,
492 "Can't configure FDIR with mask but without spec");
494 rule->key_conf.vlan_num++;
495 if (rule->key_conf.vlan_num > VLAN_TAG_NUM_MAX)
496 return rte_flow_error_set(error, EINVAL,
497 RTE_FLOW_ERROR_TYPE_ITEM, item,
498 "Vlan_num is more than 2");
500 /* Only used to describe the protocol stack. */
501 if (item->spec == NULL && item->mask == NULL)
505 vlan_mask = item->mask;
506 if (vlan_mask->tci) {
507 if (rule->key_conf.vlan_num == 1) {
508 hns3_set_bit(rule->input_set, INNER_VLAN_TAG1,
510 rule->key_conf.mask.vlan_tag1 =
511 rte_be_to_cpu_16(vlan_mask->tci);
513 hns3_set_bit(rule->input_set, INNER_VLAN_TAG2,
515 rule->key_conf.mask.vlan_tag2 =
516 rte_be_to_cpu_16(vlan_mask->tci);
521 vlan_spec = item->spec;
522 if (rule->key_conf.vlan_num == 1)
523 rule->key_conf.spec.vlan_tag1 =
524 rte_be_to_cpu_16(vlan_spec->tci);
526 rule->key_conf.spec.vlan_tag2 =
527 rte_be_to_cpu_16(vlan_spec->tci);
532 hns3_parse_ipv4(const struct rte_flow_item *item, struct hns3_fdir_rule *rule,
533 struct rte_flow_error *error)
535 const struct rte_flow_item_ipv4 *ipv4_spec;
536 const struct rte_flow_item_ipv4 *ipv4_mask;
538 if (item->spec == NULL && item->mask)
539 return rte_flow_error_set(error, EINVAL,
540 RTE_FLOW_ERROR_TYPE_ITEM, item,
541 "Can't configure FDIR with mask but without spec");
543 hns3_set_bit(rule->input_set, INNER_ETH_TYPE, 1);
544 rule->key_conf.spec.ether_type = RTE_ETHER_TYPE_IPV4;
545 rule->key_conf.mask.ether_type = ETHER_TYPE_MASK;
546 /* Only used to describe the protocol stack. */
547 if (item->spec == NULL && item->mask == NULL)
551 ipv4_mask = item->mask;
553 if (ipv4_mask->hdr.total_length ||
554 ipv4_mask->hdr.packet_id ||
555 ipv4_mask->hdr.fragment_offset ||
556 ipv4_mask->hdr.time_to_live ||
557 ipv4_mask->hdr.hdr_checksum) {
558 return rte_flow_error_set(error, EINVAL,
559 RTE_FLOW_ERROR_TYPE_ITEM,
561 "Only support src & dst ip,tos,proto in IPV4");
564 if (ipv4_mask->hdr.src_addr) {
565 hns3_set_bit(rule->input_set, INNER_SRC_IP, 1);
566 rule->key_conf.mask.src_ip[IP_ADDR_KEY_ID] =
567 rte_be_to_cpu_32(ipv4_mask->hdr.src_addr);
570 if (ipv4_mask->hdr.dst_addr) {
571 hns3_set_bit(rule->input_set, INNER_DST_IP, 1);
572 rule->key_conf.mask.dst_ip[IP_ADDR_KEY_ID] =
573 rte_be_to_cpu_32(ipv4_mask->hdr.dst_addr);
576 if (ipv4_mask->hdr.type_of_service) {
577 hns3_set_bit(rule->input_set, INNER_IP_TOS, 1);
578 rule->key_conf.mask.ip_tos =
579 ipv4_mask->hdr.type_of_service;
582 if (ipv4_mask->hdr.next_proto_id) {
583 hns3_set_bit(rule->input_set, INNER_IP_PROTO, 1);
584 rule->key_conf.mask.ip_proto =
585 ipv4_mask->hdr.next_proto_id;
589 ipv4_spec = item->spec;
590 rule->key_conf.spec.src_ip[IP_ADDR_KEY_ID] =
591 rte_be_to_cpu_32(ipv4_spec->hdr.src_addr);
592 rule->key_conf.spec.dst_ip[IP_ADDR_KEY_ID] =
593 rte_be_to_cpu_32(ipv4_spec->hdr.dst_addr);
594 rule->key_conf.spec.ip_tos = ipv4_spec->hdr.type_of_service;
595 rule->key_conf.spec.ip_proto = ipv4_spec->hdr.next_proto_id;
600 hns3_parse_ipv6(const struct rte_flow_item *item, struct hns3_fdir_rule *rule,
601 struct rte_flow_error *error)
603 const struct rte_flow_item_ipv6 *ipv6_spec;
604 const struct rte_flow_item_ipv6 *ipv6_mask;
606 if (item->spec == NULL && item->mask)
607 return rte_flow_error_set(error, EINVAL,
608 RTE_FLOW_ERROR_TYPE_ITEM, item,
609 "Can't configure FDIR with mask but without spec");
611 hns3_set_bit(rule->input_set, INNER_ETH_TYPE, 1);
612 rule->key_conf.spec.ether_type = RTE_ETHER_TYPE_IPV6;
613 rule->key_conf.mask.ether_type = ETHER_TYPE_MASK;
615 /* Only used to describe the protocol stack. */
616 if (item->spec == NULL && item->mask == NULL)
620 ipv6_mask = item->mask;
621 if (ipv6_mask->hdr.vtc_flow ||
622 ipv6_mask->hdr.payload_len || ipv6_mask->hdr.hop_limits) {
623 return rte_flow_error_set(error, EINVAL,
624 RTE_FLOW_ERROR_TYPE_ITEM,
626 "Only support src & dst ip,proto in IPV6");
628 net_addr_to_host(rule->key_conf.mask.src_ip,
629 (const rte_be32_t *)ipv6_mask->hdr.src_addr,
631 net_addr_to_host(rule->key_conf.mask.dst_ip,
632 (const rte_be32_t *)ipv6_mask->hdr.dst_addr,
634 rule->key_conf.mask.ip_proto = ipv6_mask->hdr.proto;
635 if (rule->key_conf.mask.src_ip[IP_ADDR_KEY_ID])
636 hns3_set_bit(rule->input_set, INNER_SRC_IP, 1);
637 if (rule->key_conf.mask.dst_ip[IP_ADDR_KEY_ID])
638 hns3_set_bit(rule->input_set, INNER_DST_IP, 1);
639 if (ipv6_mask->hdr.proto)
640 hns3_set_bit(rule->input_set, INNER_IP_PROTO, 1);
643 ipv6_spec = item->spec;
644 net_addr_to_host(rule->key_conf.spec.src_ip,
645 (const rte_be32_t *)ipv6_spec->hdr.src_addr,
647 net_addr_to_host(rule->key_conf.spec.dst_ip,
648 (const rte_be32_t *)ipv6_spec->hdr.dst_addr,
650 rule->key_conf.spec.ip_proto = ipv6_spec->hdr.proto;
656 hns3_parse_tcp(const struct rte_flow_item *item, struct hns3_fdir_rule *rule,
657 struct rte_flow_error *error)
659 const struct rte_flow_item_tcp *tcp_spec;
660 const struct rte_flow_item_tcp *tcp_mask;
662 if (item->spec == NULL && item->mask)
663 return rte_flow_error_set(error, EINVAL,
664 RTE_FLOW_ERROR_TYPE_ITEM, item,
665 "Can't configure FDIR with mask but without spec");
667 hns3_set_bit(rule->input_set, INNER_IP_PROTO, 1);
668 rule->key_conf.spec.ip_proto = IPPROTO_TCP;
669 rule->key_conf.mask.ip_proto = IPPROTO_MASK;
671 /* Only used to describe the protocol stack. */
672 if (item->spec == NULL && item->mask == NULL)
676 tcp_mask = item->mask;
677 if (tcp_mask->hdr.sent_seq ||
678 tcp_mask->hdr.recv_ack ||
679 tcp_mask->hdr.data_off ||
680 tcp_mask->hdr.tcp_flags ||
681 tcp_mask->hdr.rx_win ||
682 tcp_mask->hdr.cksum || tcp_mask->hdr.tcp_urp) {
683 return rte_flow_error_set(error, EINVAL,
684 RTE_FLOW_ERROR_TYPE_ITEM,
686 "Only support src & dst port in TCP");
689 if (tcp_mask->hdr.src_port) {
690 hns3_set_bit(rule->input_set, INNER_SRC_PORT, 1);
691 rule->key_conf.mask.src_port =
692 rte_be_to_cpu_16(tcp_mask->hdr.src_port);
694 if (tcp_mask->hdr.dst_port) {
695 hns3_set_bit(rule->input_set, INNER_DST_PORT, 1);
696 rule->key_conf.mask.dst_port =
697 rte_be_to_cpu_16(tcp_mask->hdr.dst_port);
701 tcp_spec = item->spec;
702 rule->key_conf.spec.src_port = rte_be_to_cpu_16(tcp_spec->hdr.src_port);
703 rule->key_conf.spec.dst_port = rte_be_to_cpu_16(tcp_spec->hdr.dst_port);
709 hns3_parse_udp(const struct rte_flow_item *item, struct hns3_fdir_rule *rule,
710 struct rte_flow_error *error)
712 const struct rte_flow_item_udp *udp_spec;
713 const struct rte_flow_item_udp *udp_mask;
715 if (item->spec == NULL && item->mask)
716 return rte_flow_error_set(error, EINVAL,
717 RTE_FLOW_ERROR_TYPE_ITEM, item,
718 "Can't configure FDIR with mask but without spec");
720 hns3_set_bit(rule->input_set, INNER_IP_PROTO, 1);
721 rule->key_conf.spec.ip_proto = IPPROTO_UDP;
722 rule->key_conf.mask.ip_proto = IPPROTO_MASK;
723 /* Only used to describe the protocol stack. */
724 if (item->spec == NULL && item->mask == NULL)
728 udp_mask = item->mask;
729 if (udp_mask->hdr.dgram_len || udp_mask->hdr.dgram_cksum) {
730 return rte_flow_error_set(error, EINVAL,
731 RTE_FLOW_ERROR_TYPE_ITEM,
733 "Only support src & dst port in UDP");
735 if (udp_mask->hdr.src_port) {
736 hns3_set_bit(rule->input_set, INNER_SRC_PORT, 1);
737 rule->key_conf.mask.src_port =
738 rte_be_to_cpu_16(udp_mask->hdr.src_port);
740 if (udp_mask->hdr.dst_port) {
741 hns3_set_bit(rule->input_set, INNER_DST_PORT, 1);
742 rule->key_conf.mask.dst_port =
743 rte_be_to_cpu_16(udp_mask->hdr.dst_port);
747 udp_spec = item->spec;
748 rule->key_conf.spec.src_port = rte_be_to_cpu_16(udp_spec->hdr.src_port);
749 rule->key_conf.spec.dst_port = rte_be_to_cpu_16(udp_spec->hdr.dst_port);
755 hns3_parse_sctp(const struct rte_flow_item *item, struct hns3_fdir_rule *rule,
756 struct rte_flow_error *error)
758 const struct rte_flow_item_sctp *sctp_spec;
759 const struct rte_flow_item_sctp *sctp_mask;
761 if (item->spec == NULL && item->mask)
762 return rte_flow_error_set(error, EINVAL,
763 RTE_FLOW_ERROR_TYPE_ITEM, item,
764 "Can't configure FDIR with mask but without spec");
766 hns3_set_bit(rule->input_set, INNER_IP_PROTO, 1);
767 rule->key_conf.spec.ip_proto = IPPROTO_SCTP;
768 rule->key_conf.mask.ip_proto = IPPROTO_MASK;
770 /* Only used to describe the protocol stack. */
771 if (item->spec == NULL && item->mask == NULL)
775 sctp_mask = item->mask;
776 if (sctp_mask->hdr.cksum)
777 return rte_flow_error_set(error, EINVAL,
778 RTE_FLOW_ERROR_TYPE_ITEM,
780 "Only support src & dst port in SCTP");
782 if (sctp_mask->hdr.src_port) {
783 hns3_set_bit(rule->input_set, INNER_SRC_PORT, 1);
784 rule->key_conf.mask.src_port =
785 rte_be_to_cpu_16(sctp_mask->hdr.src_port);
787 if (sctp_mask->hdr.dst_port) {
788 hns3_set_bit(rule->input_set, INNER_DST_PORT, 1);
789 rule->key_conf.mask.dst_port =
790 rte_be_to_cpu_16(sctp_mask->hdr.dst_port);
792 if (sctp_mask->hdr.tag) {
793 hns3_set_bit(rule->input_set, INNER_SCTP_TAG, 1);
794 rule->key_conf.mask.sctp_tag =
795 rte_be_to_cpu_32(sctp_mask->hdr.tag);
799 sctp_spec = item->spec;
800 rule->key_conf.spec.src_port =
801 rte_be_to_cpu_16(sctp_spec->hdr.src_port);
802 rule->key_conf.spec.dst_port =
803 rte_be_to_cpu_16(sctp_spec->hdr.dst_port);
804 rule->key_conf.spec.sctp_tag = rte_be_to_cpu_32(sctp_spec->hdr.tag);
810 * Check items before tunnel, save inner configs to outer configs,and clear
812 * The key consists of two parts: meta_data and tuple keys.
813 * Meta data uses 15 bits, including vlan_num(2bit), des_port(12bit) and tunnel
815 * Tuple keys uses 384bit, including ot_dst-mac(48bit), ot_dst-port(16bit),
816 * ot_tun_vni(24bit), ot_flow_id(8bit), src-mac(48bit), dst-mac(48bit),
817 * src-ip(32/128bit), dst-ip(32/128bit), src-port(16bit), dst-port(16bit),
818 * tos(8bit), ether-proto(16bit), ip-proto(8bit), vlantag1(16bit),
819 * Vlantag2(16bit) and sctp-tag(32bit).
822 hns3_handle_tunnel(const struct rte_flow_item *item,
823 struct hns3_fdir_rule *rule, struct rte_flow_error *error)
825 /* check eth config */
826 if (rule->input_set & (BIT(INNER_SRC_MAC) | BIT(INNER_DST_MAC)))
827 return rte_flow_error_set(error, EINVAL,
828 RTE_FLOW_ERROR_TYPE_ITEM,
829 item, "Outer eth mac is unsupported");
830 if (rule->input_set & BIT(INNER_ETH_TYPE)) {
831 hns3_set_bit(rule->input_set, OUTER_ETH_TYPE, 1);
832 rule->key_conf.spec.outer_ether_type =
833 rule->key_conf.spec.ether_type;
834 rule->key_conf.mask.outer_ether_type =
835 rule->key_conf.mask.ether_type;
836 hns3_set_bit(rule->input_set, INNER_ETH_TYPE, 0);
837 rule->key_conf.spec.ether_type = 0;
838 rule->key_conf.mask.ether_type = 0;
841 /* check vlan config */
842 if (rule->input_set & (BIT(INNER_VLAN_TAG1) | BIT(INNER_VLAN_TAG2)))
843 return rte_flow_error_set(error, EINVAL,
844 RTE_FLOW_ERROR_TYPE_ITEM,
846 "Outer vlan tags is unsupported");
848 /* clear vlan_num for inner vlan select */
849 rule->key_conf.outer_vlan_num = rule->key_conf.vlan_num;
850 rule->key_conf.vlan_num = 0;
852 /* check L3 config */
853 if (rule->input_set &
854 (BIT(INNER_SRC_IP) | BIT(INNER_DST_IP) | BIT(INNER_IP_TOS)))
855 return rte_flow_error_set(error, EINVAL,
856 RTE_FLOW_ERROR_TYPE_ITEM,
857 item, "Outer ip is unsupported");
858 if (rule->input_set & BIT(INNER_IP_PROTO)) {
859 hns3_set_bit(rule->input_set, OUTER_IP_PROTO, 1);
860 rule->key_conf.spec.outer_proto = rule->key_conf.spec.ip_proto;
861 rule->key_conf.mask.outer_proto = rule->key_conf.mask.ip_proto;
862 hns3_set_bit(rule->input_set, INNER_IP_PROTO, 0);
863 rule->key_conf.spec.ip_proto = 0;
864 rule->key_conf.mask.ip_proto = 0;
867 /* check L4 config */
868 if (rule->input_set & BIT(INNER_SCTP_TAG))
869 return rte_flow_error_set(error, EINVAL,
870 RTE_FLOW_ERROR_TYPE_ITEM, item,
871 "Outer sctp tag is unsupported");
873 if (rule->input_set & BIT(INNER_SRC_PORT)) {
874 hns3_set_bit(rule->input_set, OUTER_SRC_PORT, 1);
875 rule->key_conf.spec.outer_src_port =
876 rule->key_conf.spec.src_port;
877 rule->key_conf.mask.outer_src_port =
878 rule->key_conf.mask.src_port;
879 hns3_set_bit(rule->input_set, INNER_SRC_PORT, 0);
880 rule->key_conf.spec.src_port = 0;
881 rule->key_conf.mask.src_port = 0;
883 if (rule->input_set & BIT(INNER_DST_PORT)) {
884 hns3_set_bit(rule->input_set, INNER_DST_PORT, 0);
885 rule->key_conf.spec.dst_port = 0;
886 rule->key_conf.mask.dst_port = 0;
892 hns3_parse_vxlan(const struct rte_flow_item *item, struct hns3_fdir_rule *rule,
893 struct rte_flow_error *error)
895 const struct rte_flow_item_vxlan *vxlan_spec;
896 const struct rte_flow_item_vxlan *vxlan_mask;
898 if (item->spec == NULL && item->mask)
899 return rte_flow_error_set(error, EINVAL,
900 RTE_FLOW_ERROR_TYPE_ITEM, item,
901 "Can't configure FDIR with mask but without spec");
902 else if (item->spec && (item->mask == NULL))
903 return rte_flow_error_set(error, EINVAL,
904 RTE_FLOW_ERROR_TYPE_ITEM, item,
905 "Tunnel packets must configure with mask");
907 hns3_set_bit(rule->input_set, OUTER_DST_PORT, 1);
908 rule->key_conf.mask.tunnel_type = TUNNEL_TYPE_MASK;
909 if (item->type == RTE_FLOW_ITEM_TYPE_VXLAN)
910 rule->key_conf.spec.tunnel_type = HNS3_TUNNEL_TYPE_VXLAN;
912 rule->key_conf.spec.tunnel_type = HNS3_TUNNEL_TYPE_VXLAN_GPE;
914 /* Only used to describe the protocol stack. */
915 if (item->spec == NULL && item->mask == NULL)
918 vxlan_mask = item->mask;
919 vxlan_spec = item->spec;
921 if (vxlan_mask->flags)
922 return rte_flow_error_set(error, EINVAL,
923 RTE_FLOW_ERROR_TYPE_ITEM, item,
924 "Flags is not supported in VxLAN");
926 /* VNI must be totally masked or not. */
927 if (memcmp(vxlan_mask->vni, full_mask, VNI_OR_TNI_LEN) &&
928 memcmp(vxlan_mask->vni, zero_mask, VNI_OR_TNI_LEN))
929 return rte_flow_error_set(error, EINVAL,
930 RTE_FLOW_ERROR_TYPE_ITEM, item,
931 "VNI must be totally masked or not in VxLAN");
932 if (vxlan_mask->vni[0]) {
933 hns3_set_bit(rule->input_set, OUTER_TUN_VNI, 1);
934 memcpy(rule->key_conf.mask.outer_tun_vni, vxlan_mask->vni,
937 memcpy(rule->key_conf.spec.outer_tun_vni, vxlan_spec->vni,
943 hns3_parse_nvgre(const struct rte_flow_item *item, struct hns3_fdir_rule *rule,
944 struct rte_flow_error *error)
946 const struct rte_flow_item_nvgre *nvgre_spec;
947 const struct rte_flow_item_nvgre *nvgre_mask;
949 if (item->spec == NULL && item->mask)
950 return rte_flow_error_set(error, EINVAL,
951 RTE_FLOW_ERROR_TYPE_ITEM, item,
952 "Can't configure FDIR with mask but without spec");
953 else if (item->spec && (item->mask == NULL))
954 return rte_flow_error_set(error, EINVAL,
955 RTE_FLOW_ERROR_TYPE_ITEM, item,
956 "Tunnel packets must configure with mask");
958 hns3_set_bit(rule->input_set, OUTER_IP_PROTO, 1);
959 rule->key_conf.spec.outer_proto = IPPROTO_GRE;
960 rule->key_conf.mask.outer_proto = IPPROTO_MASK;
962 hns3_set_bit(rule->input_set, OUTER_DST_PORT, 1);
963 rule->key_conf.spec.tunnel_type = HNS3_TUNNEL_TYPE_NVGRE;
964 rule->key_conf.mask.tunnel_type = ~HNS3_TUNNEL_TYPE_NVGRE;
965 /* Only used to describe the protocol stack. */
966 if (item->spec == NULL && item->mask == NULL)
969 nvgre_mask = item->mask;
970 nvgre_spec = item->spec;
972 if (nvgre_mask->protocol || nvgre_mask->c_k_s_rsvd0_ver)
973 return rte_flow_error_set(error, EINVAL,
974 RTE_FLOW_ERROR_TYPE_ITEM, item,
975 "Ver/protocal is not supported in NVGRE");
977 /* TNI must be totally masked or not. */
978 if (memcmp(nvgre_mask->tni, full_mask, VNI_OR_TNI_LEN) &&
979 memcmp(nvgre_mask->tni, zero_mask, VNI_OR_TNI_LEN))
980 return rte_flow_error_set(error, EINVAL,
981 RTE_FLOW_ERROR_TYPE_ITEM, item,
982 "TNI must be totally masked or not in NVGRE");
984 if (nvgre_mask->tni[0]) {
985 hns3_set_bit(rule->input_set, OUTER_TUN_VNI, 1);
986 memcpy(rule->key_conf.mask.outer_tun_vni, nvgre_mask->tni,
989 memcpy(rule->key_conf.spec.outer_tun_vni, nvgre_spec->tni,
992 if (nvgre_mask->flow_id) {
993 hns3_set_bit(rule->input_set, OUTER_TUN_FLOW_ID, 1);
994 rule->key_conf.mask.outer_tun_flow_id = nvgre_mask->flow_id;
996 rule->key_conf.spec.outer_tun_flow_id = nvgre_spec->flow_id;
1001 hns3_parse_geneve(const struct rte_flow_item *item, struct hns3_fdir_rule *rule,
1002 struct rte_flow_error *error)
1004 const struct rte_flow_item_geneve *geneve_spec;
1005 const struct rte_flow_item_geneve *geneve_mask;
1007 if (item->spec == NULL && item->mask)
1008 return rte_flow_error_set(error, EINVAL,
1009 RTE_FLOW_ERROR_TYPE_ITEM, item,
1010 "Can't configure FDIR with mask but without spec");
1011 else if (item->spec && (item->mask == NULL))
1012 return rte_flow_error_set(error, EINVAL,
1013 RTE_FLOW_ERROR_TYPE_ITEM, item,
1014 "Tunnel packets must configure with mask");
1016 hns3_set_bit(rule->input_set, OUTER_DST_PORT, 1);
1017 rule->key_conf.spec.tunnel_type = HNS3_TUNNEL_TYPE_GENEVE;
1018 rule->key_conf.mask.tunnel_type = TUNNEL_TYPE_MASK;
1019 /* Only used to describe the protocol stack. */
1020 if (item->spec == NULL && item->mask == NULL)
1023 geneve_mask = item->mask;
1024 geneve_spec = item->spec;
1026 if (geneve_mask->ver_opt_len_o_c_rsvd0 || geneve_mask->protocol)
1027 return rte_flow_error_set(error, EINVAL,
1028 RTE_FLOW_ERROR_TYPE_ITEM, item,
1029 "Ver/protocal is not supported in GENEVE");
1030 /* VNI must be totally masked or not. */
1031 if (memcmp(geneve_mask->vni, full_mask, VNI_OR_TNI_LEN) &&
1032 memcmp(geneve_mask->vni, zero_mask, VNI_OR_TNI_LEN))
1033 return rte_flow_error_set(error, EINVAL,
1034 RTE_FLOW_ERROR_TYPE_ITEM, item,
1035 "VNI must be totally masked or not in GENEVE");
1036 if (geneve_mask->vni[0]) {
1037 hns3_set_bit(rule->input_set, OUTER_TUN_VNI, 1);
1038 memcpy(rule->key_conf.mask.outer_tun_vni, geneve_mask->vni,
1041 memcpy(rule->key_conf.spec.outer_tun_vni, geneve_spec->vni,
1047 hns3_parse_tunnel(const struct rte_flow_item *item, struct hns3_fdir_rule *rule,
1048 struct rte_flow_error *error)
1052 switch (item->type) {
1053 case RTE_FLOW_ITEM_TYPE_VXLAN:
1054 case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
1055 ret = hns3_parse_vxlan(item, rule, error);
1057 case RTE_FLOW_ITEM_TYPE_NVGRE:
1058 ret = hns3_parse_nvgre(item, rule, error);
1060 case RTE_FLOW_ITEM_TYPE_GENEVE:
1061 ret = hns3_parse_geneve(item, rule, error);
1064 return rte_flow_error_set(error, ENOTSUP,
1065 RTE_FLOW_ERROR_TYPE_HANDLE,
1066 NULL, "Unsupported tunnel type!");
1070 return hns3_handle_tunnel(item, rule, error);
1074 hns3_parse_normal(const struct rte_flow_item *item,
1075 struct hns3_fdir_rule *rule,
1076 struct items_step_mngr *step_mngr,
1077 struct rte_flow_error *error)
1081 switch (item->type) {
1082 case RTE_FLOW_ITEM_TYPE_ETH:
1083 ret = hns3_parse_eth(item, rule, error);
1084 step_mngr->items = L2_next_items;
1085 step_mngr->count = ARRAY_SIZE(L2_next_items);
1087 case RTE_FLOW_ITEM_TYPE_VLAN:
1088 ret = hns3_parse_vlan(item, rule, error);
1089 step_mngr->items = L2_next_items;
1090 step_mngr->count = ARRAY_SIZE(L2_next_items);
1092 case RTE_FLOW_ITEM_TYPE_IPV4:
1093 ret = hns3_parse_ipv4(item, rule, error);
1094 step_mngr->items = L3_next_items;
1095 step_mngr->count = ARRAY_SIZE(L3_next_items);
1097 case RTE_FLOW_ITEM_TYPE_IPV6:
1098 ret = hns3_parse_ipv6(item, rule, error);
1099 step_mngr->items = L3_next_items;
1100 step_mngr->count = ARRAY_SIZE(L3_next_items);
1102 case RTE_FLOW_ITEM_TYPE_TCP:
1103 ret = hns3_parse_tcp(item, rule, error);
1104 step_mngr->items = L4_next_items;
1105 step_mngr->count = ARRAY_SIZE(L4_next_items);
1107 case RTE_FLOW_ITEM_TYPE_UDP:
1108 ret = hns3_parse_udp(item, rule, error);
1109 step_mngr->items = L4_next_items;
1110 step_mngr->count = ARRAY_SIZE(L4_next_items);
1112 case RTE_FLOW_ITEM_TYPE_SCTP:
1113 ret = hns3_parse_sctp(item, rule, error);
1114 step_mngr->items = L4_next_items;
1115 step_mngr->count = ARRAY_SIZE(L4_next_items);
1118 return rte_flow_error_set(error, ENOTSUP,
1119 RTE_FLOW_ERROR_TYPE_HANDLE,
1120 NULL, "Unsupported normal type!");
1127 hns3_validate_item(const struct rte_flow_item *item,
1128 struct items_step_mngr step_mngr,
1129 struct rte_flow_error *error)
1134 return rte_flow_error_set(error, ENOTSUP,
1135 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, item,
1136 "Not supported last point for range");
1138 for (i = 0; i < step_mngr.count; i++) {
1139 if (item->type == step_mngr.items[i])
1143 if (i == step_mngr.count) {
1144 return rte_flow_error_set(error, EINVAL,
1145 RTE_FLOW_ERROR_TYPE_ITEM,
1146 item, "Inval or missing item");
1152 is_tunnel_packet(enum rte_flow_item_type type)
1154 if (type == RTE_FLOW_ITEM_TYPE_VXLAN_GPE ||
1155 type == RTE_FLOW_ITEM_TYPE_VXLAN ||
1156 type == RTE_FLOW_ITEM_TYPE_NVGRE ||
1157 type == RTE_FLOW_ITEM_TYPE_GENEVE ||
1158 type == RTE_FLOW_ITEM_TYPE_MPLS)
1164 * Parse the rule to see if it is a IP or MAC VLAN flow director rule.
1165 * And get the flow director filter info BTW.
1166 * UDP/TCP/SCTP PATTERN:
1167 * The first not void item can be ETH or IPV4 or IPV6
1168 * The second not void item must be IPV4 or IPV6 if the first one is ETH.
1169 * The next not void item could be UDP or TCP or SCTP (optional)
1170 * The next not void item could be RAW (for flexbyte, optional)
1171 * The next not void item must be END.
1172 * A Fuzzy Match pattern can appear at any place before END.
1173 * Fuzzy Match is optional for IPV4 but is required for IPV6
1175 * The first not void item must be ETH.
1176 * The second not void item must be MAC VLAN.
1177 * The next not void item must be END.
1179 * The first not void action should be QUEUE or DROP.
1180 * The second not void optional action should be MARK,
1181 * mark_id is a uint32_t number.
1182 * The next not void action should be END.
1183 * UDP/TCP/SCTP pattern example:
1186 * IPV4 src_addr 192.168.1.20 0xFFFFFFFF
1187 * dst_addr 192.167.3.50 0xFFFFFFFF
1188 * UDP/TCP/SCTP src_port 80 0xFFFF
1189 * dst_port 80 0xFFFF
1191 * MAC VLAN pattern example:
1194 {0xAC, 0x7B, 0xA1, {0xFF, 0xFF, 0xFF,
1195 0x2C, 0x6D, 0x36} 0xFF, 0xFF, 0xFF}
1196 * MAC VLAN tci 0x2016 0xEFFF
1198 * Other members in mask and spec should set to 0x00.
1199 * Item->last should be NULL.
1202 hns3_parse_fdir_filter(struct rte_eth_dev *dev,
1203 const struct rte_flow_item pattern[],
1204 const struct rte_flow_action actions[],
1205 struct hns3_fdir_rule *rule,
1206 struct rte_flow_error *error)
1208 struct hns3_adapter *hns = dev->data->dev_private;
1209 const struct rte_flow_item *item;
1210 struct items_step_mngr step_mngr;
1213 /* FDIR is available only in PF driver */
1215 return rte_flow_error_set(error, ENOTSUP,
1216 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1217 "Fdir not supported in VF");
1219 if (dev->data->dev_conf.fdir_conf.mode != RTE_FDIR_MODE_PERFECT)
1220 return rte_flow_error_set(error, ENOTSUP,
1221 RTE_FLOW_ERROR_TYPE_ITEM_NUM, NULL,
1222 "fdir_conf.mode isn't perfect");
1224 step_mngr.items = first_items;
1225 step_mngr.count = ARRAY_SIZE(first_items);
1226 for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
1227 if (item->type == RTE_FLOW_ITEM_TYPE_VOID)
1230 ret = hns3_validate_item(item, step_mngr, error);
1234 if (is_tunnel_packet(item->type)) {
1235 ret = hns3_parse_tunnel(item, rule, error);
1238 step_mngr.items = tunnel_next_items;
1239 step_mngr.count = ARRAY_SIZE(tunnel_next_items);
1241 ret = hns3_parse_normal(item, rule, &step_mngr, error);
1247 return hns3_handle_actions(dev, actions, rule, error);
1251 hns3_filterlist_init(struct rte_eth_dev *dev)
1253 struct hns3_process_private *process_list = dev->process_private;
1255 TAILQ_INIT(&process_list->fdir_list);
1256 TAILQ_INIT(&process_list->filter_rss_list);
1257 TAILQ_INIT(&process_list->flow_list);
1261 hns3_filterlist_flush(struct rte_eth_dev *dev)
1263 struct hns3_process_private *process_list = dev->process_private;
1264 struct hns3_fdir_rule_ele *fdir_rule_ptr;
1265 struct hns3_rss_conf_ele *rss_filter_ptr;
1266 struct hns3_flow_mem *flow_node;
1268 fdir_rule_ptr = TAILQ_FIRST(&process_list->fdir_list);
1269 while (fdir_rule_ptr) {
1270 TAILQ_REMOVE(&process_list->fdir_list, fdir_rule_ptr, entries);
1271 rte_free(fdir_rule_ptr);
1272 fdir_rule_ptr = TAILQ_FIRST(&process_list->fdir_list);
1275 rss_filter_ptr = TAILQ_FIRST(&process_list->filter_rss_list);
1276 while (rss_filter_ptr) {
1277 TAILQ_REMOVE(&process_list->filter_rss_list, rss_filter_ptr,
1279 rte_free(rss_filter_ptr);
1280 rss_filter_ptr = TAILQ_FIRST(&process_list->filter_rss_list);
1283 flow_node = TAILQ_FIRST(&process_list->flow_list);
1285 TAILQ_REMOVE(&process_list->flow_list, flow_node, entries);
1286 rte_free(flow_node->flow);
1287 rte_free(flow_node);
1288 flow_node = TAILQ_FIRST(&process_list->flow_list);
1293 hns3_action_rss_same(const struct rte_flow_action_rss *comp,
1294 const struct rte_flow_action_rss *with)
1296 return (comp->func == with->func &&
1297 comp->level == with->level &&
1298 comp->types == with->types &&
1299 comp->key_len == with->key_len &&
1300 comp->queue_num == with->queue_num &&
1301 !memcmp(comp->key, with->key, with->key_len) &&
1302 !memcmp(comp->queue, with->queue,
1303 sizeof(*with->queue) * with->queue_num));
1307 hns3_rss_conf_copy(struct hns3_rss_conf *out,
1308 const struct rte_flow_action_rss *in)
1310 if (in->key_len > RTE_DIM(out->key) ||
1311 in->queue_num > RTE_DIM(out->queue))
1313 if (in->key == NULL && in->key_len)
1315 out->conf = (struct rte_flow_action_rss) {
1319 .key_len = in->key_len,
1320 .queue_num = in->queue_num,
1323 memcpy(out->queue, in->queue,
1324 sizeof(*in->queue) * in->queue_num);
1326 out->conf.key = memcpy(out->key, in->key, in->key_len);
1332 * This function is used to parse rss action validatation.
1335 hns3_parse_rss_filter(struct rte_eth_dev *dev,
1336 const struct rte_flow_action *actions,
1337 struct rte_flow_error *error)
1339 struct hns3_adapter *hns = dev->data->dev_private;
1340 struct hns3_hw *hw = &hns->hw;
1341 struct hns3_rss_conf *rss_conf = &hw->rss_info;
1342 const struct rte_flow_action_rss *rss;
1343 const struct rte_flow_action *act;
1344 uint32_t act_index = 0;
1345 uint64_t flow_types;
1348 NEXT_ITEM_OF_ACTION(act, actions, act_index);
1349 /* Get configuration args from APP cmdline input */
1352 if (rss == NULL || rss->queue_num == 0) {
1353 return rte_flow_error_set(error, EINVAL,
1354 RTE_FLOW_ERROR_TYPE_ACTION,
1355 act, "no valid queues");
1358 for (n = 0; n < rss->queue_num; n++) {
1359 if (rss->queue[n] < dev->data->nb_rx_queues)
1361 return rte_flow_error_set(error, EINVAL,
1362 RTE_FLOW_ERROR_TYPE_ACTION,
1364 "queue id > max number of queues");
1367 /* Parse flow types of RSS */
1368 if (!(rss->types & HNS3_ETH_RSS_SUPPORT) && rss->types)
1369 return rte_flow_error_set(error, EINVAL,
1370 RTE_FLOW_ERROR_TYPE_ACTION,
1372 "Flow types is unsupported by "
1375 flow_types = rss->types & HNS3_ETH_RSS_SUPPORT;
1376 if (flow_types != rss->types)
1377 hns3_warn(hw, "RSS flow types(%" PRIx64 ") include unsupported "
1378 "flow types", rss->types);
1380 /* Parse RSS related parameters from RSS configuration */
1381 switch (rss->func) {
1382 case RTE_ETH_HASH_FUNCTION_DEFAULT:
1383 case RTE_ETH_HASH_FUNCTION_TOEPLITZ:
1384 case RTE_ETH_HASH_FUNCTION_SIMPLE_XOR:
1385 case RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ:
1388 return rte_flow_error_set(error, ENOTSUP,
1389 RTE_FLOW_ERROR_TYPE_ACTION, act,
1390 "input RSS hash functions are not supported");
1394 return rte_flow_error_set(error, ENOTSUP,
1395 RTE_FLOW_ERROR_TYPE_ACTION, act,
1396 "a nonzero RSS encapsulation level is not supported");
1397 if (rss->key_len && rss->key_len != RTE_DIM(rss_conf->key))
1398 return rte_flow_error_set(error, ENOTSUP,
1399 RTE_FLOW_ERROR_TYPE_ACTION, act,
1400 "RSS hash key must be exactly 40 bytes");
1401 if (rss->queue_num > RTE_DIM(rss_conf->queue))
1402 return rte_flow_error_set(error, ENOTSUP,
1403 RTE_FLOW_ERROR_TYPE_ACTION, act,
1404 "too many queues for RSS context");
1408 /* Check if the next not void action is END */
1409 NEXT_ITEM_OF_ACTION(act, actions, act_index);
1410 if (act->type != RTE_FLOW_ACTION_TYPE_END) {
1411 memset(rss_conf, 0, sizeof(struct hns3_rss_conf));
1412 return rte_flow_error_set(error, EINVAL,
1413 RTE_FLOW_ERROR_TYPE_ACTION,
1414 act, "Not supported action.");
1421 hns3_disable_rss(struct hns3_hw *hw)
1425 /* Redirected the redirection table to queue 0 */
1426 ret = hns3_rss_reset_indir_table(hw);
1431 hw->rss_info.conf.types = 0;
1432 hw->rss_dis_flag = true;
1438 hns3_parse_rss_key(struct hns3_hw *hw, struct rte_flow_action_rss *rss_conf)
1440 if (rss_conf->key == NULL ||
1441 rss_conf->key_len < HNS3_RSS_KEY_SIZE) {
1442 hns3_info(hw, "Default RSS hash key to be set");
1443 rss_conf->key = hns3_hash_key;
1444 rss_conf->key_len = HNS3_RSS_KEY_SIZE;
1449 hns3_parse_rss_algorithm(struct hns3_hw *hw, enum rte_eth_hash_function *func,
1452 enum rte_eth_hash_function algo_func = *func;
1453 switch (algo_func) {
1454 case RTE_ETH_HASH_FUNCTION_DEFAULT:
1455 /* Keep *hash_algo as what it used to be */
1456 algo_func = hw->rss_info.conf.func;
1458 case RTE_ETH_HASH_FUNCTION_TOEPLITZ:
1459 *hash_algo = HNS3_RSS_HASH_ALGO_TOEPLITZ;
1461 case RTE_ETH_HASH_FUNCTION_SIMPLE_XOR:
1462 *hash_algo = HNS3_RSS_HASH_ALGO_SIMPLE;
1464 case RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ:
1465 *hash_algo = HNS3_RSS_HASH_ALGO_SYMMETRIC_TOEP;
1468 hns3_err(hw, "Invalid RSS algorithm configuration(%u)",
1478 hns3_hw_rss_hash_set(struct hns3_hw *hw, struct rte_flow_action_rss *rss_config)
1480 struct hns3_rss_tuple_cfg *tuple;
1483 /* Parse hash key */
1484 hns3_parse_rss_key(hw, rss_config);
1486 /* Parse hash algorithm */
1487 ret = hns3_parse_rss_algorithm(hw, &rss_config->func,
1488 &hw->rss_info.hash_algo);
1492 ret = hns3_set_rss_algo_key(hw, rss_config->key);
1496 /* Update algorithm of hw */
1497 hw->rss_info.conf.func = rss_config->func;
1499 /* Set flow type supported */
1500 tuple = &hw->rss_info.rss_tuple_sets;
1501 ret = hns3_set_rss_tuple_by_rss_hf(hw, tuple, rss_config->types);
1503 hns3_err(hw, "Update RSS tuples by rss hf failed %d", ret);
1509 hns3_update_indir_table(struct rte_eth_dev *dev,
1510 const struct rte_flow_action_rss *conf, uint16_t num)
1512 struct hns3_adapter *hns = dev->data->dev_private;
1513 struct hns3_hw *hw = &hns->hw;
1514 uint8_t indir_tbl[HNS3_RSS_IND_TBL_SIZE];
1515 uint16_t j, allow_rss_queues;
1520 hns3_err(hw, "No PF queues are configured to enable RSS");
1524 allow_rss_queues = RTE_MIN(dev->data->nb_rx_queues, hw->rss_size_max);
1525 /* Fill in redirection table */
1526 memcpy(indir_tbl, hw->rss_info.rss_indirection_tbl,
1527 HNS3_RSS_IND_TBL_SIZE);
1528 for (i = 0, j = 0; i < HNS3_RSS_IND_TBL_SIZE; i++, j++) {
1530 if (conf->queue[j] >= allow_rss_queues) {
1531 hns3_err(hw, "Invalid queue id(%u) to be set in "
1532 "redirection table, max number of rss "
1533 "queues: %u", conf->queue[j],
1537 queue_id = conf->queue[j];
1538 indir_tbl[i] = queue_id;
1541 return hns3_set_rss_indir_table(hw, indir_tbl, HNS3_RSS_IND_TBL_SIZE);
1545 hns3_config_rss_filter(struct rte_eth_dev *dev,
1546 const struct hns3_rss_conf *conf, bool add)
1548 struct hns3_adapter *hns = dev->data->dev_private;
1549 struct hns3_hw *hw = &hns->hw;
1550 struct hns3_rss_conf *rss_info;
1551 uint64_t flow_types;
1555 struct rte_flow_action_rss rss_flow_conf = {
1556 .func = conf->conf.func,
1557 .level = conf->conf.level,
1558 .types = conf->conf.types,
1559 .key_len = conf->conf.key_len,
1560 .queue_num = conf->conf.queue_num,
1561 .key = conf->conf.key_len ?
1562 (void *)(uintptr_t)conf->conf.key : NULL,
1563 .queue = conf->conf.queue,
1566 /* The types is Unsupported by hns3' RSS */
1567 if (!(rss_flow_conf.types & HNS3_ETH_RSS_SUPPORT) &&
1568 rss_flow_conf.types) {
1570 "Flow types(%" PRIx64 ") is unsupported by hns3's RSS",
1571 rss_flow_conf.types);
1575 if (rss_flow_conf.key_len &&
1576 rss_flow_conf.key_len > RTE_DIM(rss_info->key)) {
1578 "input hash key(%u) greater than supported len(%zu)",
1579 rss_flow_conf.key_len, RTE_DIM(rss_info->key));
1583 /* Filter the unsupported flow types */
1584 flow_types = conf->conf.types ?
1585 rss_flow_conf.types & HNS3_ETH_RSS_SUPPORT :
1586 hw->rss_info.conf.types;
1587 if (flow_types != rss_flow_conf.types)
1588 hns3_warn(hw, "modified RSS types based on hardware support, "
1589 "requested:%" PRIx64 " configured:%" PRIx64,
1590 rss_flow_conf.types, flow_types);
1591 /* Update the useful flow types */
1592 rss_flow_conf.types = flow_types;
1594 rss_info = &hw->rss_info;
1596 if (hns3_action_rss_same(&rss_info->conf, &rss_flow_conf)) {
1597 ret = hns3_disable_rss(hw);
1599 hns3_err(hw, "RSS disable failed(%d)", ret);
1602 memset(rss_info, 0, sizeof(struct hns3_rss_conf));
1608 /* Get rx queues num */
1609 num = dev->data->nb_rx_queues;
1611 /* Set rx queues to use */
1612 num = RTE_MIN(num, rss_flow_conf.queue_num);
1613 if (rss_flow_conf.queue_num > num)
1614 hns3_warn(hw, "Config queue numbers %u are beyond the scope of truncated",
1615 rss_flow_conf.queue_num);
1616 hns3_info(hw, "Max of contiguous %u PF queues are configured", num);
1618 rte_spinlock_lock(&hw->lock);
1619 /* Update redirection talbe of rss */
1620 ret = hns3_update_indir_table(dev, &rss_flow_conf, num);
1622 goto rss_config_err;
1624 /* Set hash algorithm and flow types by the user's config */
1625 ret = hns3_hw_rss_hash_set(hw, &rss_flow_conf);
1627 goto rss_config_err;
1629 ret = hns3_rss_conf_copy(rss_info, &rss_flow_conf);
1631 hns3_err(hw, "RSS config init fail(%d)", ret);
1632 goto rss_config_err;
1636 rte_spinlock_unlock(&hw->lock);
1641 /* Remove the rss filter */
1643 hns3_clear_rss_filter(struct rte_eth_dev *dev)
1645 struct hns3_adapter *hns = dev->data->dev_private;
1646 struct hns3_hw *hw = &hns->hw;
1648 if (hw->rss_info.conf.queue_num == 0)
1651 return hns3_config_rss_filter(dev, &hw->rss_info, false);
1654 /* Restore the rss filter */
1656 hns3_restore_rss_filter(struct rte_eth_dev *dev)
1658 struct hns3_adapter *hns = dev->data->dev_private;
1659 struct hns3_hw *hw = &hns->hw;
1661 if (hw->rss_info.conf.queue_num == 0)
1664 return hns3_config_rss_filter(dev, &hw->rss_info, true);
1668 hns3_flow_parse_rss(struct rte_eth_dev *dev,
1669 const struct hns3_rss_conf *conf, bool add)
1671 struct hns3_adapter *hns = dev->data->dev_private;
1672 struct hns3_hw *hw = &hns->hw;
1675 /* Action rss same */
1676 ret = hns3_action_rss_same(&hw->rss_info.conf, &conf->conf);
1678 hns3_err(hw, "Enter duplicate RSS configuration : %d", ret);
1682 return hns3_config_rss_filter(dev, conf, add);
1686 hns3_flow_args_check(const struct rte_flow_attr *attr,
1687 const struct rte_flow_item pattern[],
1688 const struct rte_flow_action actions[],
1689 struct rte_flow_error *error)
1691 if (pattern == NULL)
1692 return rte_flow_error_set(error, EINVAL,
1693 RTE_FLOW_ERROR_TYPE_ITEM_NUM,
1694 NULL, "NULL pattern.");
1696 if (actions == NULL)
1697 return rte_flow_error_set(error, EINVAL,
1698 RTE_FLOW_ERROR_TYPE_ACTION_NUM,
1699 NULL, "NULL action.");
1702 return rte_flow_error_set(error, EINVAL,
1703 RTE_FLOW_ERROR_TYPE_ATTR,
1704 NULL, "NULL attribute.");
1706 return hns3_check_attr(attr, error);
1710 * Check if the flow rule is supported by hns3.
1711 * It only checkes the format. Don't guarantee the rule can be programmed into
1712 * the HW. Because there can be no enough room for the rule.
1715 hns3_flow_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
1716 const struct rte_flow_item pattern[],
1717 const struct rte_flow_action actions[],
1718 struct rte_flow_error *error)
1720 struct hns3_fdir_rule fdir_rule;
1723 ret = hns3_flow_args_check(attr, pattern, actions, error);
1727 if (hns3_find_rss_general_action(pattern, actions))
1728 return hns3_parse_rss_filter(dev, actions, error);
1730 memset(&fdir_rule, 0, sizeof(struct hns3_fdir_rule));
1731 return hns3_parse_fdir_filter(dev, pattern, actions, &fdir_rule, error);
1735 * Create or destroy a flow rule.
1736 * Theorically one rule can match more than one filters.
1737 * We will let it use the filter which it hitt first.
1738 * So, the sequence matters.
1740 static struct rte_flow *
1741 hns3_flow_create(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
1742 const struct rte_flow_item pattern[],
1743 const struct rte_flow_action actions[],
1744 struct rte_flow_error *error)
1746 struct hns3_process_private *process_list = dev->process_private;
1747 struct hns3_adapter *hns = dev->data->dev_private;
1748 struct hns3_hw *hw = &hns->hw;
1749 const struct hns3_rss_conf *rss_conf;
1750 struct hns3_fdir_rule_ele *fdir_rule_ptr;
1751 struct hns3_rss_conf_ele *rss_filter_ptr;
1752 struct hns3_flow_mem *flow_node;
1753 const struct rte_flow_action *act;
1754 struct rte_flow *flow;
1755 struct hns3_fdir_rule fdir_rule;
1758 ret = hns3_flow_args_check(attr, pattern, actions, error);
1762 flow = rte_zmalloc("hns3 flow", sizeof(struct rte_flow), 0);
1764 rte_flow_error_set(error, ENOMEM,
1765 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1766 "Failed to allocate flow memory");
1769 flow_node = rte_zmalloc("hns3 flow node",
1770 sizeof(struct hns3_flow_mem), 0);
1771 if (flow_node == NULL) {
1772 rte_flow_error_set(error, ENOMEM,
1773 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1774 "Failed to allocate flow list memory");
1779 flow_node->flow = flow;
1780 TAILQ_INSERT_TAIL(&process_list->flow_list, flow_node, entries);
1782 act = hns3_find_rss_general_action(pattern, actions);
1784 rss_conf = act->conf;
1786 ret = hns3_flow_parse_rss(dev, rss_conf, true);
1790 rss_filter_ptr = rte_zmalloc("hns3 rss filter",
1791 sizeof(struct hns3_rss_conf_ele),
1793 if (rss_filter_ptr == NULL) {
1795 "Failed to allocate hns3_rss_filter memory");
1799 memcpy(&rss_filter_ptr->filter_info, rss_conf,
1800 sizeof(struct hns3_rss_conf));
1801 TAILQ_INSERT_TAIL(&process_list->filter_rss_list,
1802 rss_filter_ptr, entries);
1804 flow->rule = rss_filter_ptr;
1805 flow->filter_type = RTE_ETH_FILTER_HASH;
1809 memset(&fdir_rule, 0, sizeof(struct hns3_fdir_rule));
1810 ret = hns3_parse_fdir_filter(dev, pattern, actions, &fdir_rule, error);
1814 if (fdir_rule.flags & HNS3_RULE_FLAG_COUNTER) {
1815 ret = hns3_counter_new(dev, fdir_rule.act_cnt.shared,
1816 fdir_rule.act_cnt.id, error);
1820 flow->counter_id = fdir_rule.act_cnt.id;
1822 ret = hns3_fdir_filter_program(hns, &fdir_rule, false);
1824 fdir_rule_ptr = rte_zmalloc("hns3 fdir rule",
1825 sizeof(struct hns3_fdir_rule_ele),
1827 if (fdir_rule_ptr == NULL) {
1828 hns3_err(hw, "Failed to allocate fdir_rule memory");
1832 memcpy(&fdir_rule_ptr->fdir_conf, &fdir_rule,
1833 sizeof(struct hns3_fdir_rule));
1834 TAILQ_INSERT_TAIL(&process_list->fdir_list,
1835 fdir_rule_ptr, entries);
1836 flow->rule = fdir_rule_ptr;
1837 flow->filter_type = RTE_ETH_FILTER_FDIR;
1843 if (fdir_rule.flags & HNS3_RULE_FLAG_COUNTER)
1844 hns3_counter_release(dev, fdir_rule.act_cnt.id);
1847 rte_flow_error_set(error, -ret, RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1848 "Failed to create flow");
1850 TAILQ_REMOVE(&process_list->flow_list, flow_node, entries);
1851 rte_free(flow_node);
1856 /* Destroy a flow rule on hns3. */
1858 hns3_flow_destroy(struct rte_eth_dev *dev, struct rte_flow *flow,
1859 struct rte_flow_error *error)
1861 struct hns3_process_private *process_list = dev->process_private;
1862 struct hns3_adapter *hns = dev->data->dev_private;
1863 struct hns3_fdir_rule_ele *fdir_rule_ptr;
1864 struct hns3_rss_conf_ele *rss_filter_ptr;
1865 struct hns3_flow_mem *flow_node;
1866 struct hns3_hw *hw = &hns->hw;
1867 enum rte_filter_type filter_type;
1868 struct hns3_fdir_rule fdir_rule;
1872 return rte_flow_error_set(error, EINVAL,
1873 RTE_FLOW_ERROR_TYPE_HANDLE,
1874 flow, "Flow is NULL");
1875 filter_type = flow->filter_type;
1876 switch (filter_type) {
1877 case RTE_ETH_FILTER_FDIR:
1878 fdir_rule_ptr = (struct hns3_fdir_rule_ele *)flow->rule;
1879 memcpy(&fdir_rule, &fdir_rule_ptr->fdir_conf,
1880 sizeof(struct hns3_fdir_rule));
1882 ret = hns3_fdir_filter_program(hns, &fdir_rule, true);
1884 return rte_flow_error_set(error, EIO,
1885 RTE_FLOW_ERROR_TYPE_HANDLE,
1887 "Destroy FDIR fail.Try again");
1888 if (fdir_rule.flags & HNS3_RULE_FLAG_COUNTER)
1889 hns3_counter_release(dev, fdir_rule.act_cnt.id);
1890 TAILQ_REMOVE(&process_list->fdir_list, fdir_rule_ptr, entries);
1891 rte_free(fdir_rule_ptr);
1892 fdir_rule_ptr = NULL;
1894 case RTE_ETH_FILTER_HASH:
1895 rss_filter_ptr = (struct hns3_rss_conf_ele *)flow->rule;
1896 ret = hns3_config_rss_filter(dev, &hw->rss_info, false);
1898 return rte_flow_error_set(error, EIO,
1899 RTE_FLOW_ERROR_TYPE_HANDLE,
1901 "Destroy RSS fail.Try again");
1902 TAILQ_REMOVE(&process_list->filter_rss_list, rss_filter_ptr,
1904 rte_free(rss_filter_ptr);
1905 rss_filter_ptr = NULL;
1908 return rte_flow_error_set(error, EINVAL,
1909 RTE_FLOW_ERROR_TYPE_HANDLE, flow,
1910 "Unsupported filter type");
1913 TAILQ_FOREACH(flow_node, &process_list->flow_list, entries) {
1914 if (flow_node->flow == flow) {
1915 TAILQ_REMOVE(&process_list->flow_list, flow_node,
1917 rte_free(flow_node);
1928 /* Destroy all flow rules associated with a port on hns3. */
1930 hns3_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error)
1932 struct hns3_adapter *hns = dev->data->dev_private;
1935 /* FDIR is available only in PF driver */
1937 ret = hns3_clear_all_fdir_filter(hns);
1939 rte_flow_error_set(error, ret,
1940 RTE_FLOW_ERROR_TYPE_HANDLE,
1941 NULL, "Failed to flush rule");
1944 hns3_counter_flush(dev);
1947 ret = hns3_clear_rss_filter(dev);
1949 rte_flow_error_set(error, ret, RTE_FLOW_ERROR_TYPE_HANDLE,
1950 NULL, "Failed to flush rss filter");
1954 hns3_filterlist_flush(dev);
1959 /* Query an existing flow rule. */
1961 hns3_flow_query(struct rte_eth_dev *dev, struct rte_flow *flow,
1962 const struct rte_flow_action *actions, void *data,
1963 struct rte_flow_error *error)
1965 struct rte_flow_query_count *qc;
1968 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
1969 switch (actions->type) {
1970 case RTE_FLOW_ACTION_TYPE_VOID:
1972 case RTE_FLOW_ACTION_TYPE_COUNT:
1973 qc = (struct rte_flow_query_count *)data;
1974 ret = hns3_counter_query(dev, flow, qc, error);
1979 return rte_flow_error_set(error, ENOTSUP,
1980 RTE_FLOW_ERROR_TYPE_ACTION,
1982 "Query action only support count");
1988 static const struct rte_flow_ops hns3_flow_ops = {
1989 .validate = hns3_flow_validate,
1990 .create = hns3_flow_create,
1991 .destroy = hns3_flow_destroy,
1992 .flush = hns3_flow_flush,
1993 .query = hns3_flow_query,
1998 * The entry of flow API.
2000 * Pointer to Ethernet device.
2002 * 0 on success, a negative errno value otherwise is set.
2005 hns3_dev_filter_ctrl(struct rte_eth_dev *dev, enum rte_filter_type filter_type,
2006 enum rte_filter_op filter_op, void *arg)
2011 hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2012 switch (filter_type) {
2013 case RTE_ETH_FILTER_GENERIC:
2014 if (filter_op != RTE_ETH_FILTER_GET)
2016 if (hw->adapter_state >= HNS3_NIC_CLOSED)
2018 *(const void **)arg = &hns3_flow_ops;
2021 hns3_err(hw, "Filter type (%d) not supported", filter_type);