1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2018-2019 Hisilicon Limited.
5 #include <rte_flow_driver.h>
7 #include <rte_malloc.h>
9 #include "hns3_ethdev.h"
10 #include "hns3_logs.h"
12 /* Default default keys */
13 static uint8_t hns3_hash_key[] = {
14 0x6D, 0x5A, 0x56, 0xDA, 0x25, 0x5B, 0x0E, 0xC2,
15 0x41, 0x67, 0x25, 0x3D, 0x43, 0xA3, 0x8F, 0xB0,
16 0xD0, 0xCA, 0x2B, 0xCB, 0xAE, 0x7B, 0x30, 0xB4,
17 0x77, 0xCB, 0x2D, 0xA3, 0x80, 0x30, 0xF2, 0x0C,
18 0x6A, 0x42, 0xB7, 0x3B, 0xBE, 0xAC, 0x01, 0xFA
21 static const uint8_t full_mask[VNI_OR_TNI_LEN] = { 0xFF, 0xFF, 0xFF };
22 static const uint8_t zero_mask[VNI_OR_TNI_LEN] = { 0x00, 0x00, 0x00 };
24 /* Special Filter id for non-specific packet flagging. Don't change value */
25 #define HNS3_MAX_FILTER_ID 0x0FFF
27 #define ETHER_TYPE_MASK 0xFFFF
28 #define IPPROTO_MASK 0xFF
29 #define TUNNEL_TYPE_MASK 0xFFFF
31 #define HNS3_TUNNEL_TYPE_VXLAN 0x12B5
32 #define HNS3_TUNNEL_TYPE_VXLAN_GPE 0x12B6
33 #define HNS3_TUNNEL_TYPE_GENEVE 0x17C1
34 #define HNS3_TUNNEL_TYPE_NVGRE 0x6558
36 static enum rte_flow_item_type first_items[] = {
37 RTE_FLOW_ITEM_TYPE_ETH,
38 RTE_FLOW_ITEM_TYPE_IPV4,
39 RTE_FLOW_ITEM_TYPE_IPV6,
40 RTE_FLOW_ITEM_TYPE_TCP,
41 RTE_FLOW_ITEM_TYPE_UDP,
42 RTE_FLOW_ITEM_TYPE_SCTP,
43 RTE_FLOW_ITEM_TYPE_ICMP,
44 RTE_FLOW_ITEM_TYPE_NVGRE,
45 RTE_FLOW_ITEM_TYPE_VXLAN,
46 RTE_FLOW_ITEM_TYPE_GENEVE,
47 RTE_FLOW_ITEM_TYPE_VXLAN_GPE
50 static enum rte_flow_item_type L2_next_items[] = {
51 RTE_FLOW_ITEM_TYPE_VLAN,
52 RTE_FLOW_ITEM_TYPE_IPV4,
53 RTE_FLOW_ITEM_TYPE_IPV6
56 static enum rte_flow_item_type L3_next_items[] = {
57 RTE_FLOW_ITEM_TYPE_TCP,
58 RTE_FLOW_ITEM_TYPE_UDP,
59 RTE_FLOW_ITEM_TYPE_SCTP,
60 RTE_FLOW_ITEM_TYPE_NVGRE,
61 RTE_FLOW_ITEM_TYPE_ICMP
64 static enum rte_flow_item_type L4_next_items[] = {
65 RTE_FLOW_ITEM_TYPE_VXLAN,
66 RTE_FLOW_ITEM_TYPE_GENEVE,
67 RTE_FLOW_ITEM_TYPE_VXLAN_GPE
70 static enum rte_flow_item_type tunnel_next_items[] = {
71 RTE_FLOW_ITEM_TYPE_ETH,
72 RTE_FLOW_ITEM_TYPE_VLAN
75 struct items_step_mngr {
76 enum rte_flow_item_type *items;
81 net_addr_to_host(uint32_t *dst, const rte_be32_t *src, size_t len)
85 for (i = 0; i < len; i++)
86 dst[i] = rte_be_to_cpu_32(src[i]);
90 * This function is used to find rss general action.
91 * 1. As we know RSS is used to spread packets among several queues, the flow
92 * API provide the struct rte_flow_action_rss, user could config its field
93 * sush as: func/level/types/key/queue to control RSS function.
94 * 2. The flow API also supports queue region configuration for hns3. It was
95 * implemented by FDIR + RSS in hns3 hardware, user can create one FDIR rule
96 * which action is RSS queues region.
97 * 3. When action is RSS, we use the following rule to distinguish:
98 * Case 1: pattern have ETH and action's queue_num > 0, indicate it is queue
99 * region configuration.
100 * Case other: an rss general action.
102 static const struct rte_flow_action *
103 hns3_find_rss_general_action(const struct rte_flow_item pattern[],
104 const struct rte_flow_action actions[])
106 const struct rte_flow_action *act = NULL;
107 const struct hns3_rss_conf *rss;
108 bool have_eth = false;
110 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
111 if (actions->type == RTE_FLOW_ACTION_TYPE_RSS) {
119 for (; pattern->type != RTE_FLOW_ITEM_TYPE_END; pattern++) {
120 if (pattern->type == RTE_FLOW_ITEM_TYPE_ETH) {
127 if (have_eth && rss->conf.queue_num) {
129 * Pattern have ETH and action's queue_num > 0, indicate this is
130 * queue region configuration.
131 * Because queue region is implemented by FDIR + RSS in hns3
132 * hardware, it needs to enter FDIR process, so here return NULL
133 * to avoid enter RSS process.
141 static inline struct hns3_flow_counter *
142 hns3_counter_lookup(struct rte_eth_dev *dev, uint32_t id)
144 struct hns3_adapter *hns = dev->data->dev_private;
145 struct hns3_pf *pf = &hns->pf;
146 struct hns3_flow_counter *cnt;
148 LIST_FOREACH(cnt, &pf->flow_counters, next) {
156 hns3_counter_new(struct rte_eth_dev *dev, uint32_t shared, uint32_t id,
157 struct rte_flow_error *error)
159 struct hns3_adapter *hns = dev->data->dev_private;
160 struct hns3_pf *pf = &hns->pf;
161 struct hns3_flow_counter *cnt;
163 cnt = hns3_counter_lookup(dev, id);
165 if (!cnt->shared || cnt->shared != shared)
166 return rte_flow_error_set(error, ENOTSUP,
167 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
169 "Counter id is used, shared flag not match");
174 cnt = rte_zmalloc("hns3 counter", sizeof(*cnt), 0);
176 return rte_flow_error_set(error, ENOMEM,
177 RTE_FLOW_ERROR_TYPE_HANDLE, cnt,
178 "Alloc mem for counter failed");
180 cnt->shared = shared;
183 LIST_INSERT_HEAD(&pf->flow_counters, cnt, next);
188 hns3_counter_query(struct rte_eth_dev *dev, struct rte_flow *flow,
189 struct rte_flow_query_count *qc,
190 struct rte_flow_error *error)
192 struct hns3_adapter *hns = dev->data->dev_private;
193 struct hns3_flow_counter *cnt;
197 /* FDIR is available only in PF driver */
199 return rte_flow_error_set(error, ENOTSUP,
200 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
201 "Fdir is not supported in VF");
202 cnt = hns3_counter_lookup(dev, flow->counter_id);
204 return rte_flow_error_set(error, EINVAL,
205 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
206 "Can't find counter id");
208 ret = hns3_get_count(&hns->hw, flow->counter_id, &value);
210 rte_flow_error_set(error, -ret, RTE_FLOW_ERROR_TYPE_HANDLE,
211 NULL, "Read counter fail.");
221 hns3_counter_release(struct rte_eth_dev *dev, uint32_t id)
223 struct hns3_adapter *hns = dev->data->dev_private;
224 struct hns3_hw *hw = &hns->hw;
225 struct hns3_flow_counter *cnt;
227 cnt = hns3_counter_lookup(dev, id);
229 hns3_err(hw, "Can't find available counter to release");
233 if (cnt->ref_cnt == 0) {
234 LIST_REMOVE(cnt, next);
241 hns3_counter_flush(struct rte_eth_dev *dev)
243 struct hns3_adapter *hns = dev->data->dev_private;
244 struct hns3_pf *pf = &hns->pf;
245 struct hns3_flow_counter *cnt_ptr;
247 cnt_ptr = LIST_FIRST(&pf->flow_counters);
249 LIST_REMOVE(cnt_ptr, next);
251 cnt_ptr = LIST_FIRST(&pf->flow_counters);
256 hns3_handle_action_queue(struct rte_eth_dev *dev,
257 const struct rte_flow_action *action,
258 struct hns3_fdir_rule *rule,
259 struct rte_flow_error *error)
261 struct hns3_adapter *hns = dev->data->dev_private;
262 const struct rte_flow_action_queue *queue;
263 struct hns3_hw *hw = &hns->hw;
265 queue = (const struct rte_flow_action_queue *)action->conf;
266 if (queue->index >= hw->used_rx_queues) {
267 hns3_err(hw, "queue ID(%u) is greater than number of "
268 "available queue (%u) in driver.",
269 queue->index, hw->used_rx_queues);
270 return rte_flow_error_set(error, EINVAL,
271 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
272 action, "Invalid queue ID in PF");
275 rule->queue_id = queue->index;
277 rule->action = HNS3_FD_ACTION_ACCEPT_PACKET;
282 hns3_handle_action_queue_region(struct rte_eth_dev *dev,
283 const struct rte_flow_action *action,
284 struct hns3_fdir_rule *rule,
285 struct rte_flow_error *error)
287 struct hns3_adapter *hns = dev->data->dev_private;
288 const struct rte_flow_action_rss *conf = action->conf;
289 struct hns3_hw *hw = &hns->hw;
292 if (!hns3_dev_fd_queue_region_supported(hw))
293 return rte_flow_error_set(error, ENOTSUP,
294 RTE_FLOW_ERROR_TYPE_ACTION, action,
295 "Not support config queue region!");
297 if ((!rte_is_power_of_2(conf->queue_num)) ||
298 conf->queue_num > hw->rss_size_max ||
299 conf->queue[0] >= hw->used_rx_queues ||
300 conf->queue[0] + conf->queue_num > hw->used_rx_queues) {
301 return rte_flow_error_set(error, EINVAL,
302 RTE_FLOW_ERROR_TYPE_ACTION_CONF, action,
303 "Invalid start queue ID and queue num! the start queue "
304 "ID must valid, the queue num must be power of 2 and "
308 for (idx = 1; idx < conf->queue_num; idx++) {
309 if (conf->queue[idx] != conf->queue[idx - 1] + 1)
310 return rte_flow_error_set(error, EINVAL,
311 RTE_FLOW_ERROR_TYPE_ACTION_CONF, action,
312 "Invalid queue ID sequence! the queue ID "
313 "must be continuous increment.");
316 rule->queue_id = conf->queue[0];
317 rule->nb_queues = conf->queue_num;
318 rule->action = HNS3_FD_ACTION_ACCEPT_PACKET;
323 * Parse actions structure from the provided pattern.
324 * The pattern is validated as the items are copied.
328 * NIC specfilc actions derived from the actions.
332 hns3_handle_actions(struct rte_eth_dev *dev,
333 const struct rte_flow_action actions[],
334 struct hns3_fdir_rule *rule, struct rte_flow_error *error)
336 struct hns3_adapter *hns = dev->data->dev_private;
337 const struct rte_flow_action_count *act_count;
338 const struct rte_flow_action_mark *mark;
339 struct hns3_pf *pf = &hns->pf;
340 uint32_t counter_num;
343 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
344 switch (actions->type) {
345 case RTE_FLOW_ACTION_TYPE_QUEUE:
346 ret = hns3_handle_action_queue(dev, actions, rule,
351 case RTE_FLOW_ACTION_TYPE_DROP:
352 rule->action = HNS3_FD_ACTION_DROP_PACKET;
355 * Here RSS's real action is queue region.
356 * Queue region is implemented by FDIR + RSS in hns3 hardware,
357 * the FDIR's action is one queue region (start_queue_id and
358 * queue_num), then RSS spread packets to the queue region by
361 case RTE_FLOW_ACTION_TYPE_RSS:
362 ret = hns3_handle_action_queue_region(dev, actions,
367 case RTE_FLOW_ACTION_TYPE_MARK:
369 (const struct rte_flow_action_mark *)actions->conf;
370 if (mark->id >= HNS3_MAX_FILTER_ID)
371 return rte_flow_error_set(error, EINVAL,
372 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
375 rule->fd_id = mark->id;
376 rule->flags |= HNS3_RULE_FLAG_FDID;
378 case RTE_FLOW_ACTION_TYPE_FLAG:
379 rule->fd_id = HNS3_MAX_FILTER_ID;
380 rule->flags |= HNS3_RULE_FLAG_FDID;
382 case RTE_FLOW_ACTION_TYPE_COUNT:
384 (const struct rte_flow_action_count *)actions->conf;
385 counter_num = pf->fdir.fd_cfg.cnt_num[HNS3_FD_STAGE_1];
386 if (act_count->id >= counter_num)
387 return rte_flow_error_set(error, EINVAL,
388 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
390 "Invalid counter id");
391 rule->act_cnt = *act_count;
392 rule->flags |= HNS3_RULE_FLAG_COUNTER;
394 case RTE_FLOW_ACTION_TYPE_VOID:
397 return rte_flow_error_set(error, ENOTSUP,
398 RTE_FLOW_ERROR_TYPE_ACTION,
399 NULL, "Unsupported action");
407 hns3_check_attr(const struct rte_flow_attr *attr, struct rte_flow_error *error)
410 return rte_flow_error_set(error, EINVAL,
411 RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
412 attr, "Ingress can't be zero");
414 return rte_flow_error_set(error, ENOTSUP,
415 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
416 attr, "Not support egress");
418 return rte_flow_error_set(error, ENOTSUP,
419 RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
420 attr, "No support for transfer");
422 return rte_flow_error_set(error, ENOTSUP,
423 RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
424 attr, "Not support priority");
426 return rte_flow_error_set(error, ENOTSUP,
427 RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
428 attr, "Not support group");
433 hns3_parse_eth(const struct rte_flow_item *item, struct hns3_fdir_rule *rule,
434 struct rte_flow_error *error __rte_unused)
436 const struct rte_flow_item_eth *eth_spec;
437 const struct rte_flow_item_eth *eth_mask;
439 /* Only used to describe the protocol stack. */
440 if (item->spec == NULL && item->mask == NULL)
444 eth_mask = item->mask;
445 if (eth_mask->type) {
446 hns3_set_bit(rule->input_set, INNER_ETH_TYPE, 1);
447 rule->key_conf.mask.ether_type =
448 rte_be_to_cpu_16(eth_mask->type);
450 if (!rte_is_zero_ether_addr(ð_mask->src)) {
451 hns3_set_bit(rule->input_set, INNER_SRC_MAC, 1);
452 memcpy(rule->key_conf.mask.src_mac,
453 eth_mask->src.addr_bytes, RTE_ETHER_ADDR_LEN);
455 if (!rte_is_zero_ether_addr(ð_mask->dst)) {
456 hns3_set_bit(rule->input_set, INNER_DST_MAC, 1);
457 memcpy(rule->key_conf.mask.dst_mac,
458 eth_mask->dst.addr_bytes, RTE_ETHER_ADDR_LEN);
462 eth_spec = item->spec;
463 rule->key_conf.spec.ether_type = rte_be_to_cpu_16(eth_spec->type);
464 memcpy(rule->key_conf.spec.src_mac, eth_spec->src.addr_bytes,
466 memcpy(rule->key_conf.spec.dst_mac, eth_spec->dst.addr_bytes,
472 hns3_parse_vlan(const struct rte_flow_item *item, struct hns3_fdir_rule *rule,
473 struct rte_flow_error *error)
475 const struct rte_flow_item_vlan *vlan_spec;
476 const struct rte_flow_item_vlan *vlan_mask;
478 rule->key_conf.vlan_num++;
479 if (rule->key_conf.vlan_num > VLAN_TAG_NUM_MAX)
480 return rte_flow_error_set(error, EINVAL,
481 RTE_FLOW_ERROR_TYPE_ITEM, item,
482 "Vlan_num is more than 2");
484 /* Only used to describe the protocol stack. */
485 if (item->spec == NULL && item->mask == NULL)
489 vlan_mask = item->mask;
490 if (vlan_mask->tci) {
491 if (rule->key_conf.vlan_num == 1) {
492 hns3_set_bit(rule->input_set, INNER_VLAN_TAG1,
494 rule->key_conf.mask.vlan_tag1 =
495 rte_be_to_cpu_16(vlan_mask->tci);
497 hns3_set_bit(rule->input_set, INNER_VLAN_TAG2,
499 rule->key_conf.mask.vlan_tag2 =
500 rte_be_to_cpu_16(vlan_mask->tci);
505 vlan_spec = item->spec;
506 if (rule->key_conf.vlan_num == 1)
507 rule->key_conf.spec.vlan_tag1 =
508 rte_be_to_cpu_16(vlan_spec->tci);
510 rule->key_conf.spec.vlan_tag2 =
511 rte_be_to_cpu_16(vlan_spec->tci);
516 hns3_check_ipv4_mask_supported(const struct rte_flow_item_ipv4 *ipv4_mask)
518 if (ipv4_mask->hdr.total_length || ipv4_mask->hdr.packet_id ||
519 ipv4_mask->hdr.fragment_offset || ipv4_mask->hdr.time_to_live ||
520 ipv4_mask->hdr.hdr_checksum)
527 hns3_parse_ipv4(const struct rte_flow_item *item, struct hns3_fdir_rule *rule,
528 struct rte_flow_error *error)
530 const struct rte_flow_item_ipv4 *ipv4_spec;
531 const struct rte_flow_item_ipv4 *ipv4_mask;
533 hns3_set_bit(rule->input_set, INNER_ETH_TYPE, 1);
534 rule->key_conf.spec.ether_type = RTE_ETHER_TYPE_IPV4;
535 rule->key_conf.mask.ether_type = ETHER_TYPE_MASK;
537 /* Only used to describe the protocol stack. */
538 if (item->spec == NULL && item->mask == NULL)
542 ipv4_mask = item->mask;
543 if (!hns3_check_ipv4_mask_supported(ipv4_mask)) {
544 return rte_flow_error_set(error, EINVAL,
545 RTE_FLOW_ERROR_TYPE_ITEM_MASK,
547 "Only support src & dst ip,tos,proto in IPV4");
550 if (ipv4_mask->hdr.src_addr) {
551 hns3_set_bit(rule->input_set, INNER_SRC_IP, 1);
552 rule->key_conf.mask.src_ip[IP_ADDR_KEY_ID] =
553 rte_be_to_cpu_32(ipv4_mask->hdr.src_addr);
556 if (ipv4_mask->hdr.dst_addr) {
557 hns3_set_bit(rule->input_set, INNER_DST_IP, 1);
558 rule->key_conf.mask.dst_ip[IP_ADDR_KEY_ID] =
559 rte_be_to_cpu_32(ipv4_mask->hdr.dst_addr);
562 if (ipv4_mask->hdr.type_of_service) {
563 hns3_set_bit(rule->input_set, INNER_IP_TOS, 1);
564 rule->key_conf.mask.ip_tos =
565 ipv4_mask->hdr.type_of_service;
568 if (ipv4_mask->hdr.next_proto_id) {
569 hns3_set_bit(rule->input_set, INNER_IP_PROTO, 1);
570 rule->key_conf.mask.ip_proto =
571 ipv4_mask->hdr.next_proto_id;
575 ipv4_spec = item->spec;
576 rule->key_conf.spec.src_ip[IP_ADDR_KEY_ID] =
577 rte_be_to_cpu_32(ipv4_spec->hdr.src_addr);
578 rule->key_conf.spec.dst_ip[IP_ADDR_KEY_ID] =
579 rte_be_to_cpu_32(ipv4_spec->hdr.dst_addr);
580 rule->key_conf.spec.ip_tos = ipv4_spec->hdr.type_of_service;
581 rule->key_conf.spec.ip_proto = ipv4_spec->hdr.next_proto_id;
586 hns3_parse_ipv6(const struct rte_flow_item *item, struct hns3_fdir_rule *rule,
587 struct rte_flow_error *error)
589 const struct rte_flow_item_ipv6 *ipv6_spec;
590 const struct rte_flow_item_ipv6 *ipv6_mask;
592 hns3_set_bit(rule->input_set, INNER_ETH_TYPE, 1);
593 rule->key_conf.spec.ether_type = RTE_ETHER_TYPE_IPV6;
594 rule->key_conf.mask.ether_type = ETHER_TYPE_MASK;
596 /* Only used to describe the protocol stack. */
597 if (item->spec == NULL && item->mask == NULL)
601 ipv6_mask = item->mask;
602 if (ipv6_mask->hdr.vtc_flow || ipv6_mask->hdr.payload_len ||
603 ipv6_mask->hdr.hop_limits) {
604 return rte_flow_error_set(error, EINVAL,
605 RTE_FLOW_ERROR_TYPE_ITEM_MASK,
607 "Only support src & dst ip,proto in IPV6");
609 net_addr_to_host(rule->key_conf.mask.src_ip,
610 (const rte_be32_t *)ipv6_mask->hdr.src_addr,
612 net_addr_to_host(rule->key_conf.mask.dst_ip,
613 (const rte_be32_t *)ipv6_mask->hdr.dst_addr,
615 rule->key_conf.mask.ip_proto = ipv6_mask->hdr.proto;
616 if (rule->key_conf.mask.src_ip[IP_ADDR_KEY_ID])
617 hns3_set_bit(rule->input_set, INNER_SRC_IP, 1);
618 if (rule->key_conf.mask.dst_ip[IP_ADDR_KEY_ID])
619 hns3_set_bit(rule->input_set, INNER_DST_IP, 1);
620 if (ipv6_mask->hdr.proto)
621 hns3_set_bit(rule->input_set, INNER_IP_PROTO, 1);
624 ipv6_spec = item->spec;
625 net_addr_to_host(rule->key_conf.spec.src_ip,
626 (const rte_be32_t *)ipv6_spec->hdr.src_addr,
628 net_addr_to_host(rule->key_conf.spec.dst_ip,
629 (const rte_be32_t *)ipv6_spec->hdr.dst_addr,
631 rule->key_conf.spec.ip_proto = ipv6_spec->hdr.proto;
637 hns3_check_tcp_mask_supported(const struct rte_flow_item_tcp *tcp_mask)
639 if (tcp_mask->hdr.sent_seq || tcp_mask->hdr.recv_ack ||
640 tcp_mask->hdr.data_off || tcp_mask->hdr.tcp_flags ||
641 tcp_mask->hdr.rx_win || tcp_mask->hdr.cksum ||
642 tcp_mask->hdr.tcp_urp)
649 hns3_parse_tcp(const struct rte_flow_item *item, struct hns3_fdir_rule *rule,
650 struct rte_flow_error *error)
652 const struct rte_flow_item_tcp *tcp_spec;
653 const struct rte_flow_item_tcp *tcp_mask;
655 hns3_set_bit(rule->input_set, INNER_IP_PROTO, 1);
656 rule->key_conf.spec.ip_proto = IPPROTO_TCP;
657 rule->key_conf.mask.ip_proto = IPPROTO_MASK;
659 /* Only used to describe the protocol stack. */
660 if (item->spec == NULL && item->mask == NULL)
664 tcp_mask = item->mask;
665 if (!hns3_check_tcp_mask_supported(tcp_mask)) {
666 return rte_flow_error_set(error, EINVAL,
667 RTE_FLOW_ERROR_TYPE_ITEM_MASK,
669 "Only support src & dst port in TCP");
672 if (tcp_mask->hdr.src_port) {
673 hns3_set_bit(rule->input_set, INNER_SRC_PORT, 1);
674 rule->key_conf.mask.src_port =
675 rte_be_to_cpu_16(tcp_mask->hdr.src_port);
677 if (tcp_mask->hdr.dst_port) {
678 hns3_set_bit(rule->input_set, INNER_DST_PORT, 1);
679 rule->key_conf.mask.dst_port =
680 rte_be_to_cpu_16(tcp_mask->hdr.dst_port);
684 tcp_spec = item->spec;
685 rule->key_conf.spec.src_port = rte_be_to_cpu_16(tcp_spec->hdr.src_port);
686 rule->key_conf.spec.dst_port = rte_be_to_cpu_16(tcp_spec->hdr.dst_port);
692 hns3_parse_udp(const struct rte_flow_item *item, struct hns3_fdir_rule *rule,
693 struct rte_flow_error *error)
695 const struct rte_flow_item_udp *udp_spec;
696 const struct rte_flow_item_udp *udp_mask;
698 hns3_set_bit(rule->input_set, INNER_IP_PROTO, 1);
699 rule->key_conf.spec.ip_proto = IPPROTO_UDP;
700 rule->key_conf.mask.ip_proto = IPPROTO_MASK;
702 /* Only used to describe the protocol stack. */
703 if (item->spec == NULL && item->mask == NULL)
707 udp_mask = item->mask;
708 if (udp_mask->hdr.dgram_len || udp_mask->hdr.dgram_cksum) {
709 return rte_flow_error_set(error, EINVAL,
710 RTE_FLOW_ERROR_TYPE_ITEM_MASK,
712 "Only support src & dst port in UDP");
714 if (udp_mask->hdr.src_port) {
715 hns3_set_bit(rule->input_set, INNER_SRC_PORT, 1);
716 rule->key_conf.mask.src_port =
717 rte_be_to_cpu_16(udp_mask->hdr.src_port);
719 if (udp_mask->hdr.dst_port) {
720 hns3_set_bit(rule->input_set, INNER_DST_PORT, 1);
721 rule->key_conf.mask.dst_port =
722 rte_be_to_cpu_16(udp_mask->hdr.dst_port);
726 udp_spec = item->spec;
727 rule->key_conf.spec.src_port = rte_be_to_cpu_16(udp_spec->hdr.src_port);
728 rule->key_conf.spec.dst_port = rte_be_to_cpu_16(udp_spec->hdr.dst_port);
734 hns3_parse_sctp(const struct rte_flow_item *item, struct hns3_fdir_rule *rule,
735 struct rte_flow_error *error)
737 const struct rte_flow_item_sctp *sctp_spec;
738 const struct rte_flow_item_sctp *sctp_mask;
740 hns3_set_bit(rule->input_set, INNER_IP_PROTO, 1);
741 rule->key_conf.spec.ip_proto = IPPROTO_SCTP;
742 rule->key_conf.mask.ip_proto = IPPROTO_MASK;
744 /* Only used to describe the protocol stack. */
745 if (item->spec == NULL && item->mask == NULL)
749 sctp_mask = item->mask;
750 if (sctp_mask->hdr.cksum)
751 return rte_flow_error_set(error, EINVAL,
752 RTE_FLOW_ERROR_TYPE_ITEM_MASK,
754 "Only support src & dst port in SCTP");
755 if (sctp_mask->hdr.src_port) {
756 hns3_set_bit(rule->input_set, INNER_SRC_PORT, 1);
757 rule->key_conf.mask.src_port =
758 rte_be_to_cpu_16(sctp_mask->hdr.src_port);
760 if (sctp_mask->hdr.dst_port) {
761 hns3_set_bit(rule->input_set, INNER_DST_PORT, 1);
762 rule->key_conf.mask.dst_port =
763 rte_be_to_cpu_16(sctp_mask->hdr.dst_port);
765 if (sctp_mask->hdr.tag) {
766 hns3_set_bit(rule->input_set, INNER_SCTP_TAG, 1);
767 rule->key_conf.mask.sctp_tag =
768 rte_be_to_cpu_32(sctp_mask->hdr.tag);
772 sctp_spec = item->spec;
773 rule->key_conf.spec.src_port =
774 rte_be_to_cpu_16(sctp_spec->hdr.src_port);
775 rule->key_conf.spec.dst_port =
776 rte_be_to_cpu_16(sctp_spec->hdr.dst_port);
777 rule->key_conf.spec.sctp_tag = rte_be_to_cpu_32(sctp_spec->hdr.tag);
783 * Check items before tunnel, save inner configs to outer configs, and clear
785 * The key consists of two parts: meta_data and tuple keys.
786 * Meta data uses 15 bits, including vlan_num(2bit), des_port(12bit) and tunnel
788 * Tuple keys uses 384bit, including ot_dst-mac(48bit), ot_dst-port(16bit),
789 * ot_tun_vni(24bit), ot_flow_id(8bit), src-mac(48bit), dst-mac(48bit),
790 * src-ip(32/128bit), dst-ip(32/128bit), src-port(16bit), dst-port(16bit),
791 * tos(8bit), ether-proto(16bit), ip-proto(8bit), vlantag1(16bit),
792 * Vlantag2(16bit) and sctp-tag(32bit).
795 hns3_handle_tunnel(const struct rte_flow_item *item,
796 struct hns3_fdir_rule *rule, struct rte_flow_error *error)
798 /* check eth config */
799 if (rule->input_set & (BIT(INNER_SRC_MAC) | BIT(INNER_DST_MAC)))
800 return rte_flow_error_set(error, EINVAL,
801 RTE_FLOW_ERROR_TYPE_ITEM,
802 item, "Outer eth mac is unsupported");
803 if (rule->input_set & BIT(INNER_ETH_TYPE)) {
804 hns3_set_bit(rule->input_set, OUTER_ETH_TYPE, 1);
805 rule->key_conf.spec.outer_ether_type =
806 rule->key_conf.spec.ether_type;
807 rule->key_conf.mask.outer_ether_type =
808 rule->key_conf.mask.ether_type;
809 hns3_set_bit(rule->input_set, INNER_ETH_TYPE, 0);
810 rule->key_conf.spec.ether_type = 0;
811 rule->key_conf.mask.ether_type = 0;
814 /* check vlan config */
815 if (rule->input_set & (BIT(INNER_VLAN_TAG1) | BIT(INNER_VLAN_TAG2)))
816 return rte_flow_error_set(error, EINVAL,
817 RTE_FLOW_ERROR_TYPE_ITEM,
819 "Outer vlan tags is unsupported");
821 /* clear vlan_num for inner vlan select */
822 rule->key_conf.outer_vlan_num = rule->key_conf.vlan_num;
823 rule->key_conf.vlan_num = 0;
825 /* check L3 config */
826 if (rule->input_set &
827 (BIT(INNER_SRC_IP) | BIT(INNER_DST_IP) | BIT(INNER_IP_TOS)))
828 return rte_flow_error_set(error, EINVAL,
829 RTE_FLOW_ERROR_TYPE_ITEM,
830 item, "Outer ip is unsupported");
831 if (rule->input_set & BIT(INNER_IP_PROTO)) {
832 hns3_set_bit(rule->input_set, OUTER_IP_PROTO, 1);
833 rule->key_conf.spec.outer_proto = rule->key_conf.spec.ip_proto;
834 rule->key_conf.mask.outer_proto = rule->key_conf.mask.ip_proto;
835 hns3_set_bit(rule->input_set, INNER_IP_PROTO, 0);
836 rule->key_conf.spec.ip_proto = 0;
837 rule->key_conf.mask.ip_proto = 0;
840 /* check L4 config */
841 if (rule->input_set & BIT(INNER_SCTP_TAG))
842 return rte_flow_error_set(error, EINVAL,
843 RTE_FLOW_ERROR_TYPE_ITEM, item,
844 "Outer sctp tag is unsupported");
846 if (rule->input_set & BIT(INNER_SRC_PORT)) {
847 hns3_set_bit(rule->input_set, OUTER_SRC_PORT, 1);
848 rule->key_conf.spec.outer_src_port =
849 rule->key_conf.spec.src_port;
850 rule->key_conf.mask.outer_src_port =
851 rule->key_conf.mask.src_port;
852 hns3_set_bit(rule->input_set, INNER_SRC_PORT, 0);
853 rule->key_conf.spec.src_port = 0;
854 rule->key_conf.mask.src_port = 0;
856 if (rule->input_set & BIT(INNER_DST_PORT)) {
857 hns3_set_bit(rule->input_set, INNER_DST_PORT, 0);
858 rule->key_conf.spec.dst_port = 0;
859 rule->key_conf.mask.dst_port = 0;
865 hns3_parse_vxlan(const struct rte_flow_item *item, struct hns3_fdir_rule *rule,
866 struct rte_flow_error *error)
868 const struct rte_flow_item_vxlan *vxlan_spec;
869 const struct rte_flow_item_vxlan *vxlan_mask;
871 hns3_set_bit(rule->input_set, OUTER_DST_PORT, 1);
872 rule->key_conf.mask.tunnel_type = TUNNEL_TYPE_MASK;
873 if (item->type == RTE_FLOW_ITEM_TYPE_VXLAN)
874 rule->key_conf.spec.tunnel_type = HNS3_TUNNEL_TYPE_VXLAN;
876 rule->key_conf.spec.tunnel_type = HNS3_TUNNEL_TYPE_VXLAN_GPE;
878 /* Only used to describe the protocol stack. */
879 if (item->spec == NULL && item->mask == NULL)
882 vxlan_mask = item->mask;
883 vxlan_spec = item->spec;
885 if (vxlan_mask->flags)
886 return rte_flow_error_set(error, EINVAL,
887 RTE_FLOW_ERROR_TYPE_ITEM_MASK, item,
888 "Flags is not supported in VxLAN");
890 /* VNI must be totally masked or not. */
891 if (memcmp(vxlan_mask->vni, full_mask, VNI_OR_TNI_LEN) &&
892 memcmp(vxlan_mask->vni, zero_mask, VNI_OR_TNI_LEN))
893 return rte_flow_error_set(error, EINVAL,
894 RTE_FLOW_ERROR_TYPE_ITEM_MASK, item,
895 "VNI must be totally masked or not in VxLAN");
896 if (vxlan_mask->vni[0]) {
897 hns3_set_bit(rule->input_set, OUTER_TUN_VNI, 1);
898 memcpy(rule->key_conf.mask.outer_tun_vni, vxlan_mask->vni,
901 memcpy(rule->key_conf.spec.outer_tun_vni, vxlan_spec->vni,
907 hns3_parse_nvgre(const struct rte_flow_item *item, struct hns3_fdir_rule *rule,
908 struct rte_flow_error *error)
910 const struct rte_flow_item_nvgre *nvgre_spec;
911 const struct rte_flow_item_nvgre *nvgre_mask;
913 hns3_set_bit(rule->input_set, OUTER_IP_PROTO, 1);
914 rule->key_conf.spec.outer_proto = IPPROTO_GRE;
915 rule->key_conf.mask.outer_proto = IPPROTO_MASK;
917 hns3_set_bit(rule->input_set, OUTER_DST_PORT, 1);
918 rule->key_conf.spec.tunnel_type = HNS3_TUNNEL_TYPE_NVGRE;
919 rule->key_conf.mask.tunnel_type = ~HNS3_TUNNEL_TYPE_NVGRE;
920 /* Only used to describe the protocol stack. */
921 if (item->spec == NULL && item->mask == NULL)
924 nvgre_mask = item->mask;
925 nvgre_spec = item->spec;
927 if (nvgre_mask->protocol || nvgre_mask->c_k_s_rsvd0_ver)
928 return rte_flow_error_set(error, EINVAL,
929 RTE_FLOW_ERROR_TYPE_ITEM_MASK, item,
930 "Ver/protocal is not supported in NVGRE");
932 /* TNI must be totally masked or not. */
933 if (memcmp(nvgre_mask->tni, full_mask, VNI_OR_TNI_LEN) &&
934 memcmp(nvgre_mask->tni, zero_mask, VNI_OR_TNI_LEN))
935 return rte_flow_error_set(error, EINVAL,
936 RTE_FLOW_ERROR_TYPE_ITEM_MASK, item,
937 "TNI must be totally masked or not in NVGRE");
939 if (nvgre_mask->tni[0]) {
940 hns3_set_bit(rule->input_set, OUTER_TUN_VNI, 1);
941 memcpy(rule->key_conf.mask.outer_tun_vni, nvgre_mask->tni,
944 memcpy(rule->key_conf.spec.outer_tun_vni, nvgre_spec->tni,
947 if (nvgre_mask->flow_id) {
948 hns3_set_bit(rule->input_set, OUTER_TUN_FLOW_ID, 1);
949 rule->key_conf.mask.outer_tun_flow_id = nvgre_mask->flow_id;
951 rule->key_conf.spec.outer_tun_flow_id = nvgre_spec->flow_id;
956 hns3_parse_geneve(const struct rte_flow_item *item, struct hns3_fdir_rule *rule,
957 struct rte_flow_error *error)
959 const struct rte_flow_item_geneve *geneve_spec;
960 const struct rte_flow_item_geneve *geneve_mask;
962 hns3_set_bit(rule->input_set, OUTER_DST_PORT, 1);
963 rule->key_conf.spec.tunnel_type = HNS3_TUNNEL_TYPE_GENEVE;
964 rule->key_conf.mask.tunnel_type = TUNNEL_TYPE_MASK;
965 /* Only used to describe the protocol stack. */
966 if (item->spec == NULL && item->mask == NULL)
969 geneve_mask = item->mask;
970 geneve_spec = item->spec;
972 if (geneve_mask->ver_opt_len_o_c_rsvd0 || geneve_mask->protocol)
973 return rte_flow_error_set(error, EINVAL,
974 RTE_FLOW_ERROR_TYPE_ITEM_MASK, item,
975 "Ver/protocal is not supported in GENEVE");
976 /* VNI must be totally masked or not. */
977 if (memcmp(geneve_mask->vni, full_mask, VNI_OR_TNI_LEN) &&
978 memcmp(geneve_mask->vni, zero_mask, VNI_OR_TNI_LEN))
979 return rte_flow_error_set(error, EINVAL,
980 RTE_FLOW_ERROR_TYPE_ITEM_MASK, item,
981 "VNI must be totally masked or not in GENEVE");
982 if (geneve_mask->vni[0]) {
983 hns3_set_bit(rule->input_set, OUTER_TUN_VNI, 1);
984 memcpy(rule->key_conf.mask.outer_tun_vni, geneve_mask->vni,
987 memcpy(rule->key_conf.spec.outer_tun_vni, geneve_spec->vni,
993 hns3_parse_tunnel(const struct rte_flow_item *item, struct hns3_fdir_rule *rule,
994 struct rte_flow_error *error)
998 if (item->spec == NULL && item->mask)
999 return rte_flow_error_set(error, EINVAL,
1000 RTE_FLOW_ERROR_TYPE_ITEM, item,
1001 "Can't configure FDIR with mask "
1002 "but without spec");
1003 else if (item->spec && (item->mask == NULL))
1004 return rte_flow_error_set(error, EINVAL,
1005 RTE_FLOW_ERROR_TYPE_ITEM, item,
1006 "Tunnel packets must configure "
1009 switch (item->type) {
1010 case RTE_FLOW_ITEM_TYPE_VXLAN:
1011 case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
1012 ret = hns3_parse_vxlan(item, rule, error);
1014 case RTE_FLOW_ITEM_TYPE_NVGRE:
1015 ret = hns3_parse_nvgre(item, rule, error);
1017 case RTE_FLOW_ITEM_TYPE_GENEVE:
1018 ret = hns3_parse_geneve(item, rule, error);
1021 return rte_flow_error_set(error, ENOTSUP,
1022 RTE_FLOW_ERROR_TYPE_ITEM,
1023 NULL, "Unsupported tunnel type!");
1027 return hns3_handle_tunnel(item, rule, error);
1031 hns3_parse_normal(const struct rte_flow_item *item, struct hns3_fdir_rule *rule,
1032 struct items_step_mngr *step_mngr,
1033 struct rte_flow_error *error)
1037 if (item->spec == NULL && item->mask)
1038 return rte_flow_error_set(error, EINVAL,
1039 RTE_FLOW_ERROR_TYPE_ITEM, item,
1040 "Can't configure FDIR with mask "
1041 "but without spec");
1043 switch (item->type) {
1044 case RTE_FLOW_ITEM_TYPE_ETH:
1045 ret = hns3_parse_eth(item, rule, error);
1046 step_mngr->items = L2_next_items;
1047 step_mngr->count = ARRAY_SIZE(L2_next_items);
1049 case RTE_FLOW_ITEM_TYPE_VLAN:
1050 ret = hns3_parse_vlan(item, rule, error);
1051 step_mngr->items = L2_next_items;
1052 step_mngr->count = ARRAY_SIZE(L2_next_items);
1054 case RTE_FLOW_ITEM_TYPE_IPV4:
1055 ret = hns3_parse_ipv4(item, rule, error);
1056 step_mngr->items = L3_next_items;
1057 step_mngr->count = ARRAY_SIZE(L3_next_items);
1059 case RTE_FLOW_ITEM_TYPE_IPV6:
1060 ret = hns3_parse_ipv6(item, rule, error);
1061 step_mngr->items = L3_next_items;
1062 step_mngr->count = ARRAY_SIZE(L3_next_items);
1064 case RTE_FLOW_ITEM_TYPE_TCP:
1065 ret = hns3_parse_tcp(item, rule, error);
1066 step_mngr->items = L4_next_items;
1067 step_mngr->count = ARRAY_SIZE(L4_next_items);
1069 case RTE_FLOW_ITEM_TYPE_UDP:
1070 ret = hns3_parse_udp(item, rule, error);
1071 step_mngr->items = L4_next_items;
1072 step_mngr->count = ARRAY_SIZE(L4_next_items);
1074 case RTE_FLOW_ITEM_TYPE_SCTP:
1075 ret = hns3_parse_sctp(item, rule, error);
1076 step_mngr->items = L4_next_items;
1077 step_mngr->count = ARRAY_SIZE(L4_next_items);
1080 return rte_flow_error_set(error, ENOTSUP,
1081 RTE_FLOW_ERROR_TYPE_ITEM,
1082 NULL, "Unsupported normal type!");
1089 hns3_validate_item(const struct rte_flow_item *item,
1090 struct items_step_mngr step_mngr,
1091 struct rte_flow_error *error)
1096 return rte_flow_error_set(error, ENOTSUP,
1097 RTE_FLOW_ERROR_TYPE_ITEM_LAST, item,
1098 "Not supported last point for range");
1100 for (i = 0; i < step_mngr.count; i++) {
1101 if (item->type == step_mngr.items[i])
1105 if (i == step_mngr.count) {
1106 return rte_flow_error_set(error, EINVAL,
1107 RTE_FLOW_ERROR_TYPE_ITEM,
1108 item, "Inval or missing item");
1114 is_tunnel_packet(enum rte_flow_item_type type)
1116 if (type == RTE_FLOW_ITEM_TYPE_VXLAN_GPE ||
1117 type == RTE_FLOW_ITEM_TYPE_VXLAN ||
1118 type == RTE_FLOW_ITEM_TYPE_NVGRE ||
1119 type == RTE_FLOW_ITEM_TYPE_GENEVE)
1125 * Parse the rule to see if it is a IP or MAC VLAN flow director rule.
1126 * And get the flow director filter info BTW.
1127 * UDP/TCP/SCTP PATTERN:
1128 * The first not void item can be ETH or IPV4 or IPV6
1129 * The second not void item must be IPV4 or IPV6 if the first one is ETH.
1130 * The next not void item could be UDP or TCP or SCTP (optional)
1131 * The next not void item could be RAW (for flexbyte, optional)
1132 * The next not void item must be END.
1133 * A Fuzzy Match pattern can appear at any place before END.
1134 * Fuzzy Match is optional for IPV4 but is required for IPV6
1136 * The first not void item must be ETH.
1137 * The second not void item must be MAC VLAN.
1138 * The next not void item must be END.
1140 * The first not void action should be QUEUE or DROP.
1141 * The second not void optional action should be MARK,
1142 * mark_id is a uint32_t number.
1143 * The next not void action should be END.
1144 * UDP/TCP/SCTP pattern example:
1147 * IPV4 src_addr 192.168.1.20 0xFFFFFFFF
1148 * dst_addr 192.167.3.50 0xFFFFFFFF
1149 * UDP/TCP/SCTP src_port 80 0xFFFF
1150 * dst_port 80 0xFFFF
1152 * MAC VLAN pattern example:
1155 {0xAC, 0x7B, 0xA1, {0xFF, 0xFF, 0xFF,
1156 0x2C, 0x6D, 0x36} 0xFF, 0xFF, 0xFF}
1157 * MAC VLAN tci 0x2016 0xEFFF
1159 * Other members in mask and spec should set to 0x00.
1160 * Item->last should be NULL.
1163 hns3_parse_fdir_filter(struct rte_eth_dev *dev,
1164 const struct rte_flow_item pattern[],
1165 const struct rte_flow_action actions[],
1166 struct hns3_fdir_rule *rule,
1167 struct rte_flow_error *error)
1169 struct hns3_adapter *hns = dev->data->dev_private;
1170 const struct rte_flow_item *item;
1171 struct items_step_mngr step_mngr;
1174 /* FDIR is available only in PF driver */
1176 return rte_flow_error_set(error, ENOTSUP,
1177 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1178 "Fdir not supported in VF");
1180 step_mngr.items = first_items;
1181 step_mngr.count = ARRAY_SIZE(first_items);
1182 for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
1183 if (item->type == RTE_FLOW_ITEM_TYPE_VOID)
1186 ret = hns3_validate_item(item, step_mngr, error);
1190 if (is_tunnel_packet(item->type)) {
1191 ret = hns3_parse_tunnel(item, rule, error);
1194 step_mngr.items = tunnel_next_items;
1195 step_mngr.count = ARRAY_SIZE(tunnel_next_items);
1197 ret = hns3_parse_normal(item, rule, &step_mngr, error);
1203 return hns3_handle_actions(dev, actions, rule, error);
1207 hns3_filterlist_init(struct rte_eth_dev *dev)
1209 struct hns3_process_private *process_list = dev->process_private;
1211 TAILQ_INIT(&process_list->fdir_list);
1212 TAILQ_INIT(&process_list->filter_rss_list);
1213 TAILQ_INIT(&process_list->flow_list);
1217 hns3_filterlist_flush(struct rte_eth_dev *dev)
1219 struct hns3_process_private *process_list = dev->process_private;
1220 struct hns3_fdir_rule_ele *fdir_rule_ptr;
1221 struct hns3_rss_conf_ele *rss_filter_ptr;
1222 struct hns3_flow_mem *flow_node;
1224 fdir_rule_ptr = TAILQ_FIRST(&process_list->fdir_list);
1225 while (fdir_rule_ptr) {
1226 TAILQ_REMOVE(&process_list->fdir_list, fdir_rule_ptr, entries);
1227 rte_free(fdir_rule_ptr);
1228 fdir_rule_ptr = TAILQ_FIRST(&process_list->fdir_list);
1231 rss_filter_ptr = TAILQ_FIRST(&process_list->filter_rss_list);
1232 while (rss_filter_ptr) {
1233 TAILQ_REMOVE(&process_list->filter_rss_list, rss_filter_ptr,
1235 rte_free(rss_filter_ptr);
1236 rss_filter_ptr = TAILQ_FIRST(&process_list->filter_rss_list);
1239 flow_node = TAILQ_FIRST(&process_list->flow_list);
1241 TAILQ_REMOVE(&process_list->flow_list, flow_node, entries);
1242 rte_free(flow_node->flow);
1243 rte_free(flow_node);
1244 flow_node = TAILQ_FIRST(&process_list->flow_list);
1249 hns3_action_rss_same(const struct rte_flow_action_rss *comp,
1250 const struct rte_flow_action_rss *with)
1255 * When user flush all RSS rule, RSS func is set invalid with
1256 * RTE_ETH_HASH_FUNCTION_MAX. Then the user create a flow after
1257 * flushed, any validate RSS func is different with it before
1258 * flushed. Others, when user create an action RSS with RSS func
1259 * specified RTE_ETH_HASH_FUNCTION_DEFAULT, the func is the same
1260 * between continuous RSS flow.
1262 if (comp->func == RTE_ETH_HASH_FUNCTION_MAX)
1263 func_is_same = false;
1265 func_is_same = with->func ? (comp->func == with->func) : true;
1267 return (func_is_same &&
1268 comp->types == (with->types & HNS3_ETH_RSS_SUPPORT) &&
1269 comp->level == with->level && comp->key_len == with->key_len &&
1270 comp->queue_num == with->queue_num &&
1271 !memcmp(comp->key, with->key, with->key_len) &&
1272 !memcmp(comp->queue, with->queue,
1273 sizeof(*with->queue) * with->queue_num));
1277 hns3_rss_conf_copy(struct hns3_rss_conf *out,
1278 const struct rte_flow_action_rss *in)
1280 if (in->key_len > RTE_DIM(out->key) ||
1281 in->queue_num > RTE_DIM(out->queue))
1283 if (in->key == NULL && in->key_len)
1285 out->conf = (struct rte_flow_action_rss) {
1289 .key_len = in->key_len,
1290 .queue_num = in->queue_num,
1292 out->conf.queue = memcpy(out->queue, in->queue,
1293 sizeof(*in->queue) * in->queue_num);
1295 out->conf.key = memcpy(out->key, in->key, in->key_len);
1301 hns3_rss_input_tuple_supported(struct hns3_hw *hw,
1302 const struct rte_flow_action_rss *rss)
1305 * For IP packet, it is not supported to use src/dst port fields to RSS
1306 * hash for the following packet types.
1307 * - IPV4 FRAG | IPV4 NONFRAG | IPV6 FRAG | IPV6 NONFRAG
1308 * Besides, for Kunpeng920, the NIC HW is not supported to use src/dst
1309 * port fields to RSS hash for IPV6 SCTP packet type. However, the
1310 * Kunpeng930 and future kunpeng series support to use src/dst port
1311 * fields to RSS hash for IPv6 SCTP packet type.
1313 if (rss->types & (ETH_RSS_L4_DST_ONLY | ETH_RSS_L4_SRC_ONLY) &&
1314 (rss->types & ETH_RSS_IP ||
1315 (!hw->rss_info.ipv6_sctp_offload_supported &&
1316 rss->types & ETH_RSS_NONFRAG_IPV6_SCTP)))
1323 * This function is used to parse rss action validatation.
1326 hns3_parse_rss_filter(struct rte_eth_dev *dev,
1327 const struct rte_flow_action *actions,
1328 struct rte_flow_error *error)
1330 struct hns3_adapter *hns = dev->data->dev_private;
1331 struct hns3_hw *hw = &hns->hw;
1332 struct hns3_rss_conf *rss_conf = &hw->rss_info;
1333 const struct rte_flow_action_rss *rss;
1334 const struct rte_flow_action *act;
1335 uint32_t act_index = 0;
1338 NEXT_ITEM_OF_ACTION(act, actions, act_index);
1342 return rte_flow_error_set(error, EINVAL,
1343 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1344 act, "no valid queues");
1347 if (rss->queue_num > RTE_DIM(rss_conf->queue))
1348 return rte_flow_error_set(error, ENOTSUP,
1349 RTE_FLOW_ERROR_TYPE_ACTION_CONF, act,
1350 "queue number configured exceeds "
1351 "queue buffer size driver supported");
1353 for (n = 0; n < rss->queue_num; n++) {
1354 if (rss->queue[n] < hw->alloc_rss_size)
1356 return rte_flow_error_set(error, EINVAL,
1357 RTE_FLOW_ERROR_TYPE_ACTION_CONF, act,
1358 "queue id must be less than queue number allocated to a TC");
1361 if (!(rss->types & HNS3_ETH_RSS_SUPPORT) && rss->types)
1362 return rte_flow_error_set(error, EINVAL,
1363 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1365 "Flow types is unsupported by "
1367 if (rss->func >= RTE_ETH_HASH_FUNCTION_MAX)
1368 return rte_flow_error_set(error, ENOTSUP,
1369 RTE_FLOW_ERROR_TYPE_ACTION_CONF, act,
1370 "RSS hash func are not supported");
1372 return rte_flow_error_set(error, ENOTSUP,
1373 RTE_FLOW_ERROR_TYPE_ACTION_CONF, act,
1374 "a nonzero RSS encapsulation level is not supported");
1375 if (rss->key_len && rss->key_len != RTE_DIM(rss_conf->key))
1376 return rte_flow_error_set(error, ENOTSUP,
1377 RTE_FLOW_ERROR_TYPE_ACTION_CONF, act,
1378 "RSS hash key must be exactly 40 bytes");
1380 if (!hns3_rss_input_tuple_supported(hw, rss))
1381 return rte_flow_error_set(error, EINVAL,
1382 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1384 "input RSS types are not supported");
1388 /* Check if the next not void action is END */
1389 NEXT_ITEM_OF_ACTION(act, actions, act_index);
1390 if (act->type != RTE_FLOW_ACTION_TYPE_END) {
1391 memset(rss_conf, 0, sizeof(struct hns3_rss_conf));
1392 return rte_flow_error_set(error, EINVAL,
1393 RTE_FLOW_ERROR_TYPE_ACTION,
1394 act, "Not supported action.");
1401 hns3_disable_rss(struct hns3_hw *hw)
1405 /* Redirected the redirection table to queue 0 */
1406 ret = hns3_rss_reset_indir_table(hw);
1411 hw->rss_info.conf.types = 0;
1412 hw->rss_dis_flag = true;
1418 hns3_parse_rss_key(struct hns3_hw *hw, struct rte_flow_action_rss *rss_conf)
1420 if (rss_conf->key == NULL || rss_conf->key_len < HNS3_RSS_KEY_SIZE) {
1421 hns3_warn(hw, "Default RSS hash key to be set");
1422 rss_conf->key = hns3_hash_key;
1423 rss_conf->key_len = HNS3_RSS_KEY_SIZE;
1428 hns3_parse_rss_algorithm(struct hns3_hw *hw, enum rte_eth_hash_function *func,
1431 enum rte_eth_hash_function algo_func = *func;
1432 switch (algo_func) {
1433 case RTE_ETH_HASH_FUNCTION_DEFAULT:
1434 /* Keep *hash_algo as what it used to be */
1435 algo_func = hw->rss_info.conf.func;
1437 case RTE_ETH_HASH_FUNCTION_TOEPLITZ:
1438 *hash_algo = HNS3_RSS_HASH_ALGO_TOEPLITZ;
1440 case RTE_ETH_HASH_FUNCTION_SIMPLE_XOR:
1441 *hash_algo = HNS3_RSS_HASH_ALGO_SIMPLE;
1443 case RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ:
1444 *hash_algo = HNS3_RSS_HASH_ALGO_SYMMETRIC_TOEP;
1447 hns3_err(hw, "Invalid RSS algorithm configuration(%d)",
1457 hns3_hw_rss_hash_set(struct hns3_hw *hw, struct rte_flow_action_rss *rss_config)
1459 struct hns3_rss_tuple_cfg *tuple;
1462 hns3_parse_rss_key(hw, rss_config);
1464 ret = hns3_parse_rss_algorithm(hw, &rss_config->func,
1465 &hw->rss_info.hash_algo);
1469 ret = hns3_rss_set_algo_key(hw, rss_config->key);
1473 hw->rss_info.conf.func = rss_config->func;
1475 tuple = &hw->rss_info.rss_tuple_sets;
1476 ret = hns3_set_rss_tuple_by_rss_hf(hw, tuple, rss_config->types);
1478 hns3_err(hw, "Update RSS tuples by rss hf failed %d", ret);
1484 hns3_update_indir_table(struct rte_eth_dev *dev,
1485 const struct rte_flow_action_rss *conf, uint16_t num)
1487 struct hns3_adapter *hns = dev->data->dev_private;
1488 struct hns3_hw *hw = &hns->hw;
1489 uint16_t indir_tbl[HNS3_RSS_IND_TBL_SIZE_MAX];
1493 /* Fill in redirection table */
1494 memcpy(indir_tbl, hw->rss_info.rss_indirection_tbl,
1495 sizeof(hw->rss_info.rss_indirection_tbl));
1496 for (i = 0, j = 0; i < hw->rss_ind_tbl_size; i++, j++) {
1498 if (conf->queue[j] >= hw->alloc_rss_size) {
1499 hns3_err(hw, "queue id(%u) set to redirection table "
1500 "exceeds queue number(%u) allocated to a TC.",
1501 conf->queue[j], hw->alloc_rss_size);
1504 indir_tbl[i] = conf->queue[j];
1507 return hns3_set_rss_indir_table(hw, indir_tbl, hw->rss_ind_tbl_size);
1511 hns3_config_rss_filter(struct rte_eth_dev *dev,
1512 const struct hns3_rss_conf *conf, bool add)
1514 struct hns3_process_private *process_list = dev->process_private;
1515 struct hns3_adapter *hns = dev->data->dev_private;
1516 struct hns3_rss_conf_ele *rss_filter_ptr;
1517 struct hns3_hw *hw = &hns->hw;
1518 struct hns3_rss_conf *rss_info;
1519 uint64_t flow_types;
1523 struct rte_flow_action_rss rss_flow_conf = {
1524 .func = conf->conf.func,
1525 .level = conf->conf.level,
1526 .types = conf->conf.types,
1527 .key_len = conf->conf.key_len,
1528 .queue_num = conf->conf.queue_num,
1529 .key = conf->conf.key_len ?
1530 (void *)(uintptr_t)conf->conf.key : NULL,
1531 .queue = conf->conf.queue,
1534 /* Filter the unsupported flow types */
1535 flow_types = conf->conf.types ?
1536 rss_flow_conf.types & HNS3_ETH_RSS_SUPPORT :
1537 hw->rss_info.conf.types;
1538 if (flow_types != rss_flow_conf.types)
1539 hns3_warn(hw, "modified RSS types based on hardware support, "
1540 "requested:%" PRIx64 " configured:%" PRIx64,
1541 rss_flow_conf.types, flow_types);
1542 /* Update the useful flow types */
1543 rss_flow_conf.types = flow_types;
1545 rss_info = &hw->rss_info;
1550 ret = hns3_disable_rss(hw);
1552 hns3_err(hw, "RSS disable failed(%d)", ret);
1556 if (rss_flow_conf.queue_num) {
1558 * Due the content of queue pointer have been reset to
1559 * 0, the rss_info->conf.queue should be set to NULL
1561 rss_info->conf.queue = NULL;
1562 rss_info->conf.queue_num = 0;
1565 /* set RSS func invalid after flushed */
1566 rss_info->conf.func = RTE_ETH_HASH_FUNCTION_MAX;
1570 /* Set rx queues to use */
1571 num = RTE_MIN(dev->data->nb_rx_queues, rss_flow_conf.queue_num);
1572 if (rss_flow_conf.queue_num > num)
1573 hns3_warn(hw, "Config queue numbers %u are beyond the scope of truncated",
1574 rss_flow_conf.queue_num);
1575 hns3_info(hw, "Max of contiguous %u PF queues are configured", num);
1577 rte_spinlock_lock(&hw->lock);
1579 ret = hns3_update_indir_table(dev, &rss_flow_conf, num);
1581 goto rss_config_err;
1584 /* Set hash algorithm and flow types by the user's config */
1585 ret = hns3_hw_rss_hash_set(hw, &rss_flow_conf);
1587 goto rss_config_err;
1589 ret = hns3_rss_conf_copy(rss_info, &rss_flow_conf);
1591 hns3_err(hw, "RSS config init fail(%d)", ret);
1592 goto rss_config_err;
1596 * When create a new RSS rule, the old rule will be overlaid and set
1599 TAILQ_FOREACH(rss_filter_ptr, &process_list->filter_rss_list, entries)
1600 rss_filter_ptr->filter_info.valid = false;
1603 rte_spinlock_unlock(&hw->lock);
1609 hns3_clear_rss_filter(struct rte_eth_dev *dev)
1611 struct hns3_process_private *process_list = dev->process_private;
1612 struct hns3_adapter *hns = dev->data->dev_private;
1613 struct hns3_rss_conf_ele *rss_filter_ptr;
1614 struct hns3_hw *hw = &hns->hw;
1615 int rss_rule_succ_cnt = 0; /* count for success of clearing RSS rules */
1616 int rss_rule_fail_cnt = 0; /* count for failure of clearing RSS rules */
1619 rss_filter_ptr = TAILQ_FIRST(&process_list->filter_rss_list);
1620 while (rss_filter_ptr) {
1621 TAILQ_REMOVE(&process_list->filter_rss_list, rss_filter_ptr,
1623 ret = hns3_config_rss_filter(dev, &rss_filter_ptr->filter_info,
1626 rss_rule_fail_cnt++;
1628 rss_rule_succ_cnt++;
1629 rte_free(rss_filter_ptr);
1630 rss_filter_ptr = TAILQ_FIRST(&process_list->filter_rss_list);
1633 if (rss_rule_fail_cnt) {
1634 hns3_err(hw, "fail to delete all RSS filters, success num = %d "
1635 "fail num = %d", rss_rule_succ_cnt,
1644 hns3_restore_rss_filter(struct rte_eth_dev *dev)
1646 struct hns3_adapter *hns = dev->data->dev_private;
1647 struct hns3_hw *hw = &hns->hw;
1649 /* When user flush all rules, it doesn't need to restore RSS rule */
1650 if (hw->rss_info.conf.func == RTE_ETH_HASH_FUNCTION_MAX)
1653 return hns3_config_rss_filter(dev, &hw->rss_info, true);
1657 hns3_flow_parse_rss(struct rte_eth_dev *dev,
1658 const struct hns3_rss_conf *conf, bool add)
1660 struct hns3_adapter *hns = dev->data->dev_private;
1661 struct hns3_hw *hw = &hns->hw;
1664 ret = hns3_action_rss_same(&hw->rss_info.conf, &conf->conf);
1666 hns3_err(hw, "Enter duplicate RSS configuration : %d", ret);
1670 return hns3_config_rss_filter(dev, conf, add);
1674 hns3_flow_args_check(const struct rte_flow_attr *attr,
1675 const struct rte_flow_item pattern[],
1676 const struct rte_flow_action actions[],
1677 struct rte_flow_error *error)
1679 if (pattern == NULL)
1680 return rte_flow_error_set(error, EINVAL,
1681 RTE_FLOW_ERROR_TYPE_ITEM_NUM,
1682 NULL, "NULL pattern.");
1684 if (actions == NULL)
1685 return rte_flow_error_set(error, EINVAL,
1686 RTE_FLOW_ERROR_TYPE_ACTION_NUM,
1687 NULL, "NULL action.");
1690 return rte_flow_error_set(error, EINVAL,
1691 RTE_FLOW_ERROR_TYPE_ATTR,
1692 NULL, "NULL attribute.");
1694 return hns3_check_attr(attr, error);
1698 * Check if the flow rule is supported by hns3.
1699 * It only checkes the format. Don't guarantee the rule can be programmed into
1700 * the HW. Because there can be no enough room for the rule.
1703 hns3_flow_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
1704 const struct rte_flow_item pattern[],
1705 const struct rte_flow_action actions[],
1706 struct rte_flow_error *error)
1708 struct hns3_fdir_rule fdir_rule;
1711 ret = hns3_flow_args_check(attr, pattern, actions, error);
1715 if (hns3_find_rss_general_action(pattern, actions))
1716 return hns3_parse_rss_filter(dev, actions, error);
1718 memset(&fdir_rule, 0, sizeof(struct hns3_fdir_rule));
1719 return hns3_parse_fdir_filter(dev, pattern, actions, &fdir_rule, error);
1723 * Create or destroy a flow rule.
1724 * Theorically one rule can match more than one filters.
1725 * We will let it use the filter which it hit first.
1726 * So, the sequence matters.
1728 static struct rte_flow *
1729 hns3_flow_create(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
1730 const struct rte_flow_item pattern[],
1731 const struct rte_flow_action actions[],
1732 struct rte_flow_error *error)
1734 struct hns3_process_private *process_list = dev->process_private;
1735 struct hns3_adapter *hns = dev->data->dev_private;
1736 struct hns3_hw *hw = &hns->hw;
1737 const struct hns3_rss_conf *rss_conf;
1738 struct hns3_fdir_rule_ele *fdir_rule_ptr;
1739 struct hns3_rss_conf_ele *rss_filter_ptr;
1740 struct hns3_flow_mem *flow_node;
1741 const struct rte_flow_action *act;
1742 struct rte_flow *flow;
1743 struct hns3_fdir_rule fdir_rule;
1746 ret = hns3_flow_validate(dev, attr, pattern, actions, error);
1750 flow = rte_zmalloc("hns3 flow", sizeof(struct rte_flow), 0);
1752 rte_flow_error_set(error, ENOMEM, RTE_FLOW_ERROR_TYPE_HANDLE,
1753 NULL, "Failed to allocate flow memory");
1756 flow_node = rte_zmalloc("hns3 flow node",
1757 sizeof(struct hns3_flow_mem), 0);
1758 if (flow_node == NULL) {
1759 rte_flow_error_set(error, ENOMEM, RTE_FLOW_ERROR_TYPE_HANDLE,
1760 NULL, "Failed to allocate flow list memory");
1765 flow_node->flow = flow;
1766 TAILQ_INSERT_TAIL(&process_list->flow_list, flow_node, entries);
1768 act = hns3_find_rss_general_action(pattern, actions);
1770 rss_conf = act->conf;
1772 ret = hns3_flow_parse_rss(dev, rss_conf, true);
1776 rss_filter_ptr = rte_zmalloc("hns3 rss filter",
1777 sizeof(struct hns3_rss_conf_ele),
1779 if (rss_filter_ptr == NULL) {
1781 "Failed to allocate hns3_rss_filter memory");
1785 hns3_rss_conf_copy(&rss_filter_ptr->filter_info,
1787 rss_filter_ptr->filter_info.valid = true;
1788 TAILQ_INSERT_TAIL(&process_list->filter_rss_list,
1789 rss_filter_ptr, entries);
1791 flow->rule = rss_filter_ptr;
1792 flow->filter_type = RTE_ETH_FILTER_HASH;
1796 memset(&fdir_rule, 0, sizeof(struct hns3_fdir_rule));
1797 ret = hns3_parse_fdir_filter(dev, pattern, actions, &fdir_rule, error);
1801 if (fdir_rule.flags & HNS3_RULE_FLAG_COUNTER) {
1802 ret = hns3_counter_new(dev, fdir_rule.act_cnt.shared,
1803 fdir_rule.act_cnt.id, error);
1807 flow->counter_id = fdir_rule.act_cnt.id;
1810 fdir_rule_ptr = rte_zmalloc("hns3 fdir rule",
1811 sizeof(struct hns3_fdir_rule_ele),
1813 if (fdir_rule_ptr == NULL) {
1814 hns3_err(hw, "failed to allocate fdir_rule memory.");
1819 ret = hns3_fdir_filter_program(hns, &fdir_rule, false);
1821 memcpy(&fdir_rule_ptr->fdir_conf, &fdir_rule,
1822 sizeof(struct hns3_fdir_rule));
1823 TAILQ_INSERT_TAIL(&process_list->fdir_list,
1824 fdir_rule_ptr, entries);
1825 flow->rule = fdir_rule_ptr;
1826 flow->filter_type = RTE_ETH_FILTER_FDIR;
1831 rte_free(fdir_rule_ptr);
1833 if (fdir_rule.flags & HNS3_RULE_FLAG_COUNTER)
1834 hns3_counter_release(dev, fdir_rule.act_cnt.id);
1836 rte_flow_error_set(error, -ret, RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1837 "Failed to create flow");
1839 TAILQ_REMOVE(&process_list->flow_list, flow_node, entries);
1840 rte_free(flow_node);
1845 /* Destroy a flow rule on hns3. */
1847 hns3_flow_destroy(struct rte_eth_dev *dev, struct rte_flow *flow,
1848 struct rte_flow_error *error)
1850 struct hns3_process_private *process_list = dev->process_private;
1851 struct hns3_adapter *hns = dev->data->dev_private;
1852 struct hns3_fdir_rule_ele *fdir_rule_ptr;
1853 struct hns3_rss_conf_ele *rss_filter_ptr;
1854 struct hns3_flow_mem *flow_node;
1855 enum rte_filter_type filter_type;
1856 struct hns3_fdir_rule fdir_rule;
1860 return rte_flow_error_set(error, EINVAL,
1861 RTE_FLOW_ERROR_TYPE_HANDLE,
1862 flow, "Flow is NULL");
1864 filter_type = flow->filter_type;
1865 switch (filter_type) {
1866 case RTE_ETH_FILTER_FDIR:
1867 fdir_rule_ptr = (struct hns3_fdir_rule_ele *)flow->rule;
1868 memcpy(&fdir_rule, &fdir_rule_ptr->fdir_conf,
1869 sizeof(struct hns3_fdir_rule));
1871 ret = hns3_fdir_filter_program(hns, &fdir_rule, true);
1873 return rte_flow_error_set(error, EIO,
1874 RTE_FLOW_ERROR_TYPE_HANDLE,
1876 "Destroy FDIR fail.Try again");
1877 if (fdir_rule.flags & HNS3_RULE_FLAG_COUNTER)
1878 hns3_counter_release(dev, fdir_rule.act_cnt.id);
1879 TAILQ_REMOVE(&process_list->fdir_list, fdir_rule_ptr, entries);
1880 rte_free(fdir_rule_ptr);
1881 fdir_rule_ptr = NULL;
1883 case RTE_ETH_FILTER_HASH:
1884 rss_filter_ptr = (struct hns3_rss_conf_ele *)flow->rule;
1885 ret = hns3_config_rss_filter(dev, &rss_filter_ptr->filter_info,
1888 return rte_flow_error_set(error, EIO,
1889 RTE_FLOW_ERROR_TYPE_HANDLE,
1891 "Destroy RSS fail.Try again");
1892 TAILQ_REMOVE(&process_list->filter_rss_list, rss_filter_ptr,
1894 rte_free(rss_filter_ptr);
1895 rss_filter_ptr = NULL;
1898 return rte_flow_error_set(error, EINVAL,
1899 RTE_FLOW_ERROR_TYPE_HANDLE, flow,
1900 "Unsupported filter type");
1903 TAILQ_FOREACH(flow_node, &process_list->flow_list, entries) {
1904 if (flow_node->flow == flow) {
1905 TAILQ_REMOVE(&process_list->flow_list, flow_node,
1907 rte_free(flow_node);
1918 /* Destroy all flow rules associated with a port on hns3. */
1920 hns3_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error)
1922 struct hns3_adapter *hns = dev->data->dev_private;
1925 /* FDIR is available only in PF driver */
1927 ret = hns3_clear_all_fdir_filter(hns);
1929 rte_flow_error_set(error, ret,
1930 RTE_FLOW_ERROR_TYPE_HANDLE,
1931 NULL, "Failed to flush rule");
1934 hns3_counter_flush(dev);
1937 ret = hns3_clear_rss_filter(dev);
1939 rte_flow_error_set(error, ret, RTE_FLOW_ERROR_TYPE_HANDLE,
1940 NULL, "Failed to flush rss filter");
1944 hns3_filterlist_flush(dev);
1949 /* Query an existing flow rule. */
1951 hns3_flow_query(struct rte_eth_dev *dev, struct rte_flow *flow,
1952 const struct rte_flow_action *actions, void *data,
1953 struct rte_flow_error *error)
1955 struct rte_flow_action_rss *rss_conf;
1956 struct hns3_rss_conf_ele *rss_rule;
1957 struct rte_flow_query_count *qc;
1961 return rte_flow_error_set(error, EINVAL,
1962 RTE_FLOW_ERROR_TYPE_HANDLE, NULL, "invalid rule");
1964 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
1965 switch (actions->type) {
1966 case RTE_FLOW_ACTION_TYPE_VOID:
1968 case RTE_FLOW_ACTION_TYPE_COUNT:
1969 qc = (struct rte_flow_query_count *)data;
1970 ret = hns3_counter_query(dev, flow, qc, error);
1974 case RTE_FLOW_ACTION_TYPE_RSS:
1975 if (flow->filter_type != RTE_ETH_FILTER_HASH) {
1976 return rte_flow_error_set(error, ENOTSUP,
1977 RTE_FLOW_ERROR_TYPE_ACTION,
1978 actions, "action is not supported");
1980 rss_conf = (struct rte_flow_action_rss *)data;
1981 rss_rule = (struct hns3_rss_conf_ele *)flow->rule;
1982 rte_memcpy(rss_conf, &rss_rule->filter_info.conf,
1983 sizeof(struct rte_flow_action_rss));
1986 return rte_flow_error_set(error, ENOTSUP,
1987 RTE_FLOW_ERROR_TYPE_ACTION,
1988 actions, "action is not supported");
1995 static const struct rte_flow_ops hns3_flow_ops = {
1996 .validate = hns3_flow_validate,
1997 .create = hns3_flow_create,
1998 .destroy = hns3_flow_destroy,
1999 .flush = hns3_flow_flush,
2000 .query = hns3_flow_query,
2005 * The entry of flow API.
2007 * Pointer to Ethernet device.
2009 * 0 on success, a negative errno value otherwise is set.
2012 hns3_dev_filter_ctrl(struct rte_eth_dev *dev, enum rte_filter_type filter_type,
2013 enum rte_filter_op filter_op, void *arg)
2018 hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2019 switch (filter_type) {
2020 case RTE_ETH_FILTER_GENERIC:
2021 if (filter_op != RTE_ETH_FILTER_GET)
2023 if (hw->adapter_state >= HNS3_NIC_CLOSED)
2025 *(const void **)arg = &hns3_flow_ops;
2028 hns3_err(hw, "Filter type (%d) not supported", filter_type);