1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2018-2019 Hisilicon Limited.
6 #include <rte_ethdev_driver.h>
8 #include <rte_hash_crc.h>
10 #include <rte_malloc.h>
12 #include "hns3_ethdev.h"
13 #include "hns3_logs.h"
15 #define HNS3_VLAN_TAG_TYPE_NONE 0
16 #define HNS3_VLAN_TAG_TYPE_TAG2 1
17 #define HNS3_VLAN_TAG_TYPE_TAG1 2
18 #define HNS3_VLAN_TAG_TYPE_TAG1_2 3
20 #define HNS3_PF_ID_S 0
21 #define HNS3_PF_ID_M GENMASK(2, 0)
22 #define HNS3_VF_ID_S 3
23 #define HNS3_VF_ID_M GENMASK(10, 3)
24 #define HNS3_PORT_TYPE_B 11
25 #define HNS3_NETWORK_PORT_ID_S 0
26 #define HNS3_NETWORK_PORT_ID_M GENMASK(3, 0)
28 #define HNS3_FD_EPORT_SW_EN_B 0
30 #define HNS3_FD_AD_DATA_S 32
31 #define HNS3_FD_AD_DROP_B 0
32 #define HNS3_FD_AD_DIRECT_QID_B 1
33 #define HNS3_FD_AD_QID_S 2
34 #define HNS3_FD_AD_QID_M GENMASK(12, 2)
35 #define HNS3_FD_AD_USE_COUNTER_B 12
36 #define HNS3_FD_AD_COUNTER_NUM_S 13
37 #define HNS3_FD_AD_COUNTER_NUM_M GENMASK(20, 13)
38 #define HNS3_FD_AD_NXT_STEP_B 20
39 #define HNS3_FD_AD_NXT_KEY_S 21
40 #define HNS3_FD_AD_NXT_KEY_M GENMASK(26, 21)
41 #define HNS3_FD_AD_WR_RULE_ID_B 0
42 #define HNS3_FD_AD_RULE_ID_S 1
43 #define HNS3_FD_AD_RULE_ID_M GENMASK(13, 1)
44 #define HNS3_FD_AD_COUNTER_HIGH_BIT 7
45 #define HNS3_FD_AD_COUNTER_HIGH_BIT_B 26
53 HNS3_FD_MODE_DEPTH_2K_WIDTH_400B_STAGE_1,
54 HNS3_FD_MODE_DEPTH_1K_WIDTH_400B_STAGE_2,
55 HNS3_FD_MODE_DEPTH_4K_WIDTH_200B_STAGE_1,
56 HNS3_FD_MODE_DEPTH_2K_WIDTH_200B_STAGE_2,
59 enum HNS3_FD_KEY_TYPE {
60 HNS3_FD_KEY_BASE_ON_PTYPE,
61 HNS3_FD_KEY_BASE_ON_TUPLE,
64 enum HNS3_FD_META_DATA {
81 static const struct key_info meta_data_key_info[] = {
92 static const struct key_info tuple_key_info[] = {
95 {OUTER_VLAN_TAG_FST, 16},
96 {OUTER_VLAN_TAG_SEC, 16},
104 {OUTER_SRC_PORT, 16},
105 {OUTER_DST_PORT, 16},
108 {OUTER_TUN_FLOW_ID, 8},
111 {INNER_VLAN_TAG1, 16},
112 {INNER_VLAN_TAG2, 16},
113 {INNER_ETH_TYPE, 16},
120 {INNER_SRC_PORT, 16},
121 {INNER_DST_PORT, 16},
122 {INNER_SCTP_TAG, 32},
125 #define HNS3_BITS_PER_BYTE 8
126 #define MAX_KEY_LENGTH 400
127 #define MAX_200B_KEY_LENGTH 200
128 #define MAX_META_DATA_LENGTH 16
129 #define MAX_KEY_DWORDS DIV_ROUND_UP(MAX_KEY_LENGTH / HNS3_BITS_PER_BYTE, 4)
130 #define MAX_KEY_BYTES (MAX_KEY_DWORDS * 4)
132 enum HNS3_FD_PACKET_TYPE {
137 /* For each bit of TCAM entry, it uses a pair of 'x' and
138 * 'y' to indicate which value to match, like below:
139 * ----------------------------------
140 * | bit x | bit y | search value |
141 * ----------------------------------
142 * | 0 | 0 | always hit |
143 * ----------------------------------
144 * | 1 | 0 | match '0' |
145 * ----------------------------------
146 * | 0 | 1 | match '1' |
147 * ----------------------------------
148 * | 1 | 1 | invalid |
149 * ----------------------------------
150 * Then for input key(k) and mask(v), we can calculate the value by
155 #define calc_x(x, k, v) ((x) = (~(k) & (v)))
156 #define calc_y(y, k, v) ((y) = ((k) & (v)))
158 struct hns3_fd_tcam_config_1_cmd {
166 uint8_t tcam_data[8];
169 struct hns3_fd_tcam_config_2_cmd {
170 uint8_t tcam_data[24];
173 struct hns3_fd_tcam_config_3_cmd {
174 uint8_t tcam_data[20];
178 struct hns3_get_fd_mode_cmd {
184 struct hns3_get_fd_allocation_cmd {
185 rte_le32_t stage1_entry_num;
186 rte_le32_t stage2_entry_num;
187 rte_le16_t stage1_counter_num;
188 rte_le16_t stage2_counter_num;
192 struct hns3_set_fd_key_config_cmd {
195 uint8_t inner_sipv6_word_en;
196 uint8_t inner_dipv6_word_en;
197 uint8_t outer_sipv6_word_en;
198 uint8_t outer_dipv6_word_en;
200 rte_le32_t tuple_mask;
201 rte_le32_t meta_data_mask;
205 struct hns3_fd_ad_config_cmd {
213 struct hns3_fd_get_cnt_cmd {
222 static int hns3_get_fd_mode(struct hns3_hw *hw, uint8_t *fd_mode)
224 struct hns3_get_fd_mode_cmd *req;
225 struct hns3_cmd_desc desc;
228 hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_FD_MODE_CTRL, true);
230 req = (struct hns3_get_fd_mode_cmd *)desc.data;
232 ret = hns3_cmd_send(hw, &desc, 1);
234 hns3_err(hw, "Get fd mode fail, ret=%d", ret);
238 *fd_mode = req->mode;
243 static int hns3_get_fd_allocation(struct hns3_hw *hw,
244 uint32_t *stage1_entry_num,
245 uint32_t *stage2_entry_num,
246 uint16_t *stage1_counter_num,
247 uint16_t *stage2_counter_num)
249 struct hns3_get_fd_allocation_cmd *req;
250 struct hns3_cmd_desc desc;
253 hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_FD_GET_ALLOCATION, true);
255 req = (struct hns3_get_fd_allocation_cmd *)desc.data;
257 ret = hns3_cmd_send(hw, &desc, 1);
259 hns3_err(hw, "Query fd allocation fail, ret=%d", ret);
263 *stage1_entry_num = rte_le_to_cpu_32(req->stage1_entry_num);
264 *stage2_entry_num = rte_le_to_cpu_32(req->stage2_entry_num);
265 *stage1_counter_num = rte_le_to_cpu_16(req->stage1_counter_num);
266 *stage2_counter_num = rte_le_to_cpu_16(req->stage2_counter_num);
271 static int hns3_set_fd_key_config(struct hns3_adapter *hns)
273 struct hns3_set_fd_key_config_cmd *req;
274 struct hns3_fd_key_cfg *key_cfg;
275 struct hns3_pf *pf = &hns->pf;
276 struct hns3_hw *hw = &hns->hw;
277 struct hns3_cmd_desc desc;
280 hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_FD_KEY_CONFIG, false);
282 req = (struct hns3_set_fd_key_config_cmd *)desc.data;
283 key_cfg = &pf->fdir.fd_cfg.key_cfg[HNS3_FD_STAGE_1];
284 req->stage = HNS3_FD_STAGE_1;
285 req->key_select = key_cfg->key_sel;
286 req->inner_sipv6_word_en = key_cfg->inner_sipv6_word_en;
287 req->inner_dipv6_word_en = key_cfg->inner_dipv6_word_en;
288 req->outer_sipv6_word_en = key_cfg->outer_sipv6_word_en;
289 req->outer_dipv6_word_en = key_cfg->outer_dipv6_word_en;
290 req->tuple_mask = rte_cpu_to_le_32(~key_cfg->tuple_active);
291 req->meta_data_mask = rte_cpu_to_le_32(~key_cfg->meta_data_active);
293 ret = hns3_cmd_send(hw, &desc, 1);
295 hns3_err(hw, "Set fd key fail, ret=%d", ret);
300 int hns3_init_fd_config(struct hns3_adapter *hns)
302 struct hns3_pf *pf = &hns->pf;
303 struct hns3_hw *hw = &hns->hw;
304 struct hns3_fd_key_cfg *key_cfg;
307 ret = hns3_get_fd_mode(hw, &pf->fdir.fd_cfg.fd_mode);
311 switch (pf->fdir.fd_cfg.fd_mode) {
312 case HNS3_FD_MODE_DEPTH_2K_WIDTH_400B_STAGE_1:
313 pf->fdir.fd_cfg.max_key_length = MAX_KEY_LENGTH;
315 case HNS3_FD_MODE_DEPTH_4K_WIDTH_200B_STAGE_1:
316 pf->fdir.fd_cfg.max_key_length = MAX_200B_KEY_LENGTH;
317 hns3_warn(hw, "Unsupported tunnel filter in 4K*200Bit");
320 hns3_err(hw, "Unsupported flow director mode %d",
321 pf->fdir.fd_cfg.fd_mode);
325 key_cfg = &pf->fdir.fd_cfg.key_cfg[HNS3_FD_STAGE_1];
326 key_cfg->key_sel = HNS3_FD_KEY_BASE_ON_TUPLE;
327 key_cfg->inner_sipv6_word_en = IPV6_ADDR_WORD_MASK;
328 key_cfg->inner_dipv6_word_en = IPV6_ADDR_WORD_MASK;
329 key_cfg->outer_sipv6_word_en = 0;
330 key_cfg->outer_dipv6_word_en = 0;
332 key_cfg->tuple_active = BIT(INNER_VLAN_TAG1) | BIT(INNER_ETH_TYPE) |
333 BIT(INNER_IP_PROTO) | BIT(INNER_IP_TOS) |
334 BIT(INNER_SRC_IP) | BIT(INNER_DST_IP) |
335 BIT(INNER_SRC_PORT) | BIT(INNER_DST_PORT);
337 /* If use max 400bit key, we can support tuples for ether type */
338 if (pf->fdir.fd_cfg.max_key_length == MAX_KEY_LENGTH) {
339 key_cfg->tuple_active |=
340 BIT(INNER_DST_MAC) | BIT(INNER_SRC_MAC) |
341 BIT(OUTER_SRC_PORT) | BIT(INNER_SCTP_TAG) |
342 BIT(OUTER_DST_PORT) | BIT(INNER_VLAN_TAG2) |
343 BIT(OUTER_TUN_VNI) | BIT(OUTER_TUN_FLOW_ID) |
344 BIT(OUTER_ETH_TYPE) | BIT(OUTER_IP_PROTO);
347 /* roce_type is used to filter roce frames
348 * dst_vport is used to specify the rule
350 key_cfg->meta_data_active = BIT(DST_VPORT) | BIT(TUNNEL_PACKET) |
353 ret = hns3_get_fd_allocation(hw,
354 &pf->fdir.fd_cfg.rule_num[HNS3_FD_STAGE_1],
355 &pf->fdir.fd_cfg.rule_num[HNS3_FD_STAGE_2],
356 &pf->fdir.fd_cfg.cnt_num[HNS3_FD_STAGE_1],
357 &pf->fdir.fd_cfg.cnt_num[HNS3_FD_STAGE_2]);
361 return hns3_set_fd_key_config(hns);
364 static int hns3_fd_tcam_config(struct hns3_hw *hw, bool sel_x, int loc,
365 uint8_t *key, bool is_add)
367 #define FD_TCAM_CMD_NUM 3
368 struct hns3_fd_tcam_config_1_cmd *req1;
369 struct hns3_fd_tcam_config_2_cmd *req2;
370 struct hns3_fd_tcam_config_3_cmd *req3;
371 struct hns3_cmd_desc desc[FD_TCAM_CMD_NUM];
375 hns3_cmd_setup_basic_desc(&desc[0], HNS3_OPC_FD_TCAM_OP, false);
376 desc[0].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
377 hns3_cmd_setup_basic_desc(&desc[1], HNS3_OPC_FD_TCAM_OP, false);
378 desc[1].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
379 hns3_cmd_setup_basic_desc(&desc[2], HNS3_OPC_FD_TCAM_OP, false);
381 req1 = (struct hns3_fd_tcam_config_1_cmd *)desc[0].data;
382 req2 = (struct hns3_fd_tcam_config_2_cmd *)desc[1].data;
383 req3 = (struct hns3_fd_tcam_config_3_cmd *)desc[2].data;
385 req1->stage = HNS3_FD_STAGE_1;
386 req1->xy_sel = sel_x ? 1 : 0;
387 hns3_set_bit(req1->port_info, HNS3_FD_EPORT_SW_EN_B, 0);
388 req1->index = rte_cpu_to_le_32(loc);
389 req1->entry_vld = sel_x ? is_add : 0;
392 len = sizeof(req1->tcam_data);
393 memcpy(req1->tcam_data, key, len);
396 len = sizeof(req2->tcam_data);
397 memcpy(req2->tcam_data, key, len);
400 len = sizeof(req3->tcam_data);
401 memcpy(req3->tcam_data, key, len);
404 ret = hns3_cmd_send(hw, desc, FD_TCAM_CMD_NUM);
406 hns3_err(hw, "Config tcam key fail, ret=%d loc=%d add=%d",
411 static int hns3_fd_ad_config(struct hns3_hw *hw, int loc,
412 struct hns3_fd_ad_data *action)
414 struct hns3_fd_ad_config_cmd *req;
415 struct hns3_cmd_desc desc;
416 uint64_t ad_data = 0;
419 hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_FD_AD_OP, false);
421 req = (struct hns3_fd_ad_config_cmd *)desc.data;
422 req->index = rte_cpu_to_le_32(loc);
423 req->stage = HNS3_FD_STAGE_1;
425 hns3_set_bit(ad_data, HNS3_FD_AD_WR_RULE_ID_B,
426 action->write_rule_id_to_bd);
427 hns3_set_field(ad_data, HNS3_FD_AD_RULE_ID_M, HNS3_FD_AD_RULE_ID_S,
429 /* set extend bit if counter_id is in [128 ~ 255] */
430 if (action->counter_id & BIT(HNS3_FD_AD_COUNTER_HIGH_BIT))
431 hns3_set_bit(ad_data, HNS3_FD_AD_COUNTER_HIGH_BIT_B, 1);
432 ad_data <<= HNS3_FD_AD_DATA_S;
433 hns3_set_bit(ad_data, HNS3_FD_AD_DROP_B, action->drop_packet);
434 hns3_set_bit(ad_data, HNS3_FD_AD_DIRECT_QID_B,
435 action->forward_to_direct_queue);
436 hns3_set_field(ad_data, HNS3_FD_AD_QID_M, HNS3_FD_AD_QID_S,
438 hns3_set_bit(ad_data, HNS3_FD_AD_USE_COUNTER_B, action->use_counter);
439 hns3_set_field(ad_data, HNS3_FD_AD_COUNTER_NUM_M,
440 HNS3_FD_AD_COUNTER_NUM_S, action->counter_id);
441 hns3_set_bit(ad_data, HNS3_FD_AD_NXT_STEP_B, action->use_next_stage);
442 hns3_set_field(ad_data, HNS3_FD_AD_NXT_KEY_M, HNS3_FD_AD_NXT_KEY_S,
445 req->ad_data = rte_cpu_to_le_64(ad_data);
446 ret = hns3_cmd_send(hw, &desc, 1);
448 hns3_err(hw, "Config fd ad fail, ret=%d loc=%d", ret, loc);
453 static inline void hns3_fd_convert_mac(uint8_t *key, uint8_t *mask,
454 uint8_t *mac_x, uint8_t *mac_y)
459 for (i = 0; i < RTE_ETHER_ADDR_LEN; i++) {
460 tmp = RTE_ETHER_ADDR_LEN - 1 - i;
461 calc_x(mac_x[tmp], key[i], mask[i]);
462 calc_y(mac_y[tmp], key[i], mask[i]);
466 static void hns3_fd_convert_int16(uint32_t tuple, struct hns3_fdir_rule *rule,
467 uint8_t *val_x, uint8_t *val_y)
476 key = rule->key_conf.spec.outer_src_port;
477 mask = rule->key_conf.mask.outer_src_port;
480 key = rule->key_conf.spec.tunnel_type;
481 mask = rule->key_conf.mask.tunnel_type;
484 key = rule->key_conf.spec.outer_ether_type;
485 mask = rule->key_conf.mask.outer_ether_type;
488 key = rule->key_conf.spec.src_port;
489 mask = rule->key_conf.mask.src_port;
492 key = rule->key_conf.spec.dst_port;
493 mask = rule->key_conf.mask.dst_port;
495 case INNER_VLAN_TAG1:
496 key = rule->key_conf.spec.vlan_tag1;
497 mask = rule->key_conf.mask.vlan_tag1;
499 case INNER_VLAN_TAG2:
500 key = rule->key_conf.spec.vlan_tag2;
501 mask = rule->key_conf.mask.vlan_tag2;
504 /* INNER_ETH_TYPE: */
505 key = rule->key_conf.spec.ether_type;
506 mask = rule->key_conf.mask.ether_type;
509 calc_x(tmp_x_s, key, mask);
510 calc_y(tmp_y_s, key, mask);
511 val_x[0] = rte_cpu_to_le_16(tmp_x_s) & 0xFF;
512 val_x[1] = rte_cpu_to_le_16(tmp_x_s) >> HNS3_BITS_PER_BYTE;
513 val_y[0] = rte_cpu_to_le_16(tmp_y_s) & 0xFF;
514 val_y[1] = rte_cpu_to_le_16(tmp_y_s) >> HNS3_BITS_PER_BYTE;
517 static inline void hns3_fd_convert_int32(uint32_t key, uint32_t mask,
518 uint8_t *val_x, uint8_t *val_y)
523 calc_x(tmp_x_l, key, mask);
524 calc_y(tmp_y_l, key, mask);
525 memcpy(val_x, &tmp_x_l, sizeof(tmp_x_l));
526 memcpy(val_y, &tmp_y_l, sizeof(tmp_y_l));
529 static bool hns3_fd_convert_tuple(uint32_t tuple, uint8_t *key_x,
530 uint8_t *key_y, struct hns3_fdir_rule *rule)
532 struct hns3_fdir_key_conf *key_conf;
536 if ((rule->input_set & BIT(tuple)) == 0)
539 key_conf = &rule->key_conf;
542 hns3_fd_convert_mac(key_conf->spec.dst_mac,
543 key_conf->mask.dst_mac, key_x, key_y);
546 hns3_fd_convert_mac(key_conf->spec.src_mac,
547 key_conf->mask.src_mac, key_x, key_y);
554 case INNER_VLAN_TAG1:
555 case INNER_VLAN_TAG2:
557 hns3_fd_convert_int16(tuple, rule, key_x, key_y);
560 hns3_fd_convert_int32(key_conf->spec.src_ip[IP_ADDR_KEY_ID],
561 key_conf->mask.src_ip[IP_ADDR_KEY_ID],
565 hns3_fd_convert_int32(key_conf->spec.dst_ip[IP_ADDR_KEY_ID],
566 key_conf->mask.dst_ip[IP_ADDR_KEY_ID],
570 hns3_fd_convert_int32(key_conf->spec.sctp_tag,
571 key_conf->mask.sctp_tag, key_x, key_y);
574 for (i = 0; i < VNI_OR_TNI_LEN; i++) {
575 tmp = VNI_OR_TNI_LEN - 1 - i;
577 key_conf->spec.outer_tun_vni[i],
578 key_conf->mask.outer_tun_vni[i]);
580 key_conf->spec.outer_tun_vni[i],
581 key_conf->mask.outer_tun_vni[i]);
584 case OUTER_TUN_FLOW_ID:
585 calc_x(*key_x, key_conf->spec.outer_tun_flow_id,
586 key_conf->mask.outer_tun_flow_id);
587 calc_y(*key_y, key_conf->spec.outer_tun_flow_id,
588 key_conf->mask.outer_tun_flow_id);
591 calc_x(*key_x, key_conf->spec.ip_tos, key_conf->mask.ip_tos);
592 calc_y(*key_y, key_conf->spec.ip_tos, key_conf->mask.ip_tos);
595 calc_x(*key_x, key_conf->spec.outer_proto,
596 key_conf->mask.outer_proto);
597 calc_y(*key_y, key_conf->spec.outer_proto,
598 key_conf->mask.outer_proto);
601 calc_x(*key_x, key_conf->spec.ip_proto,
602 key_conf->mask.ip_proto);
603 calc_y(*key_y, key_conf->spec.ip_proto,
604 key_conf->mask.ip_proto);
610 static uint32_t hns3_get_port_number(uint8_t pf_id, uint8_t vf_id)
612 uint32_t port_number = 0;
614 hns3_set_field(port_number, HNS3_PF_ID_M, HNS3_PF_ID_S, pf_id);
615 hns3_set_field(port_number, HNS3_VF_ID_M, HNS3_VF_ID_S, vf_id);
616 hns3_set_bit(port_number, HNS3_PORT_TYPE_B, HOST_PORT);
621 static void hns3_fd_convert_meta_data(struct hns3_fd_key_cfg *cfg,
623 struct hns3_fdir_rule *rule,
624 uint8_t *key_x, uint8_t *key_y)
626 uint16_t meta_data = 0;
627 uint32_t port_number;
635 for (i = 0; i < MAX_META_DATA; i++) {
636 if ((cfg->meta_data_active & BIT(i)) == 0)
639 tuple_size = meta_data_key_info[i].key_length;
640 if (i == TUNNEL_PACKET) {
641 hns3_set_bit(meta_data, cur_pos,
642 rule->key_conf.spec.tunnel_type ? 1 : 0);
643 cur_pos += tuple_size;
644 } else if (i == VLAN_NUMBER) {
647 if (rule->key_conf.spec.tunnel_type == 0)
648 vlan_num = rule->key_conf.vlan_num;
650 vlan_num = rule->key_conf.outer_vlan_num;
652 vlan_tag = HNS3_VLAN_TAG_TYPE_TAG1;
653 else if (vlan_num == VLAN_TAG_NUM_MAX)
654 vlan_tag = HNS3_VLAN_TAG_TYPE_TAG1_2;
656 vlan_tag = HNS3_VLAN_TAG_TYPE_NONE;
657 hns3_set_field(meta_data,
658 GENMASK(cur_pos + tuple_size,
659 cur_pos), cur_pos, vlan_tag);
660 cur_pos += tuple_size;
661 } else if (i == DST_VPORT) {
662 port_number = hns3_get_port_number(0, vf_id);
663 hns3_set_field(meta_data,
664 GENMASK(cur_pos + tuple_size, cur_pos),
665 cur_pos, port_number);
666 cur_pos += tuple_size;
670 calc_x(tmp_x, meta_data, 0xFFFF);
671 calc_y(tmp_y, meta_data, 0xFFFF);
672 shift_bits = sizeof(meta_data) * HNS3_BITS_PER_BYTE - cur_pos;
674 tmp_x = rte_cpu_to_le_32(tmp_x << shift_bits);
675 tmp_y = rte_cpu_to_le_32(tmp_y << shift_bits);
676 key_x[0] = tmp_x & 0xFF;
677 key_x[1] = (tmp_x >> HNS3_BITS_PER_BYTE) & 0xFF;
678 key_y[0] = tmp_y & 0xFF;
679 key_y[1] = (tmp_y >> HNS3_BITS_PER_BYTE) & 0xFF;
682 /* A complete key is combined with meta data key and tuple key.
683 * Meta data key is stored at the MSB region, and tuple key is stored at
684 * the LSB region, unused bits will be filled 0.
686 static int hns3_config_key(struct hns3_adapter *hns,
687 struct hns3_fdir_rule *rule)
689 struct hns3_pf *pf = &hns->pf;
690 struct hns3_hw *hw = &hns->hw;
691 struct hns3_fd_key_cfg *key_cfg;
694 uint8_t key_x[MAX_KEY_BYTES] __rte_aligned(4);
695 uint8_t key_y[MAX_KEY_BYTES] __rte_aligned(4);
696 uint8_t vf_id = rule->vf_id;
697 uint8_t meta_data_region;
702 memset(key_x, 0, sizeof(key_x));
703 memset(key_y, 0, sizeof(key_y));
707 key_cfg = &pf->fdir.fd_cfg.key_cfg[HNS3_FD_STAGE_1];
708 for (i = 0; i < MAX_TUPLE; i++) {
711 tuple_size = tuple_key_info[i].key_length / HNS3_BITS_PER_BYTE;
712 if (key_cfg->tuple_active & BIT(i)) {
713 tuple_valid = hns3_fd_convert_tuple(i, cur_key_x,
716 cur_key_x += tuple_size;
717 cur_key_y += tuple_size;
722 meta_data_region = pf->fdir.fd_cfg.max_key_length / HNS3_BITS_PER_BYTE -
723 MAX_META_DATA_LENGTH / HNS3_BITS_PER_BYTE;
725 hns3_fd_convert_meta_data(key_cfg, vf_id, rule,
726 key_x + meta_data_region,
727 key_y + meta_data_region);
729 ret = hns3_fd_tcam_config(hw, false, rule->location, key_y, true);
731 hns3_err(hw, "Config fd key_y fail, loc=%d, ret=%d",
732 rule->queue_id, ret);
736 ret = hns3_fd_tcam_config(hw, true, rule->location, key_x, true);
738 hns3_err(hw, "Config fd key_x fail, loc=%d, ret=%d",
739 rule->queue_id, ret);
743 static int hns3_config_action(struct hns3_hw *hw, struct hns3_fdir_rule *rule)
745 struct hns3_fd_ad_data ad_data;
747 ad_data.ad_id = rule->location;
749 if (rule->action == HNS3_FD_ACTION_DROP_PACKET) {
750 ad_data.drop_packet = true;
751 ad_data.forward_to_direct_queue = false;
752 ad_data.queue_id = 0;
754 ad_data.drop_packet = false;
755 ad_data.forward_to_direct_queue = true;
756 ad_data.queue_id = rule->queue_id;
759 if (unlikely(rule->flags & HNS3_RULE_FLAG_COUNTER)) {
760 ad_data.use_counter = true;
761 ad_data.counter_id = rule->act_cnt.id;
763 ad_data.use_counter = false;
764 ad_data.counter_id = 0;
767 if (unlikely(rule->flags & HNS3_RULE_FLAG_FDID))
768 ad_data.rule_id = rule->fd_id;
770 ad_data.rule_id = rule->location;
772 ad_data.use_next_stage = false;
773 ad_data.next_input_key = 0;
775 ad_data.write_rule_id_to_bd = true;
777 return hns3_fd_ad_config(hw, ad_data.ad_id, &ad_data);
780 static int hns3_fd_clear_all_rules(struct hns3_hw *hw, uint32_t rule_num)
785 for (i = 0; i < rule_num; i++) {
786 ret = hns3_fd_tcam_config(hw, true, i, NULL, false);
794 int hns3_fdir_filter_init(struct hns3_adapter *hns)
796 struct hns3_pf *pf = &hns->pf;
797 struct hns3_fdir_info *fdir_info = &pf->fdir;
798 uint32_t rule_num = fdir_info->fd_cfg.rule_num[HNS3_FD_STAGE_1];
799 char fdir_hash_name[RTE_HASH_NAMESIZE];
800 struct rte_hash_parameters fdir_hash_params = {
801 .name = fdir_hash_name,
803 .key_len = sizeof(struct hns3_fdir_key_conf),
804 .hash_func = rte_hash_crc,
805 .hash_func_init_val = 0,
809 ret = hns3_fd_clear_all_rules(&hns->hw, rule_num);
811 PMD_INIT_LOG(ERR, "Clear all fd rules fail! ret = %d", ret);
815 fdir_hash_params.socket_id = rte_socket_id();
816 TAILQ_INIT(&fdir_info->fdir_list);
817 rte_spinlock_init(&fdir_info->flows_lock);
818 snprintf(fdir_hash_name, RTE_HASH_NAMESIZE, "%s", hns->hw.data->name);
819 fdir_info->hash_handle = rte_hash_create(&fdir_hash_params);
820 if (fdir_info->hash_handle == NULL) {
821 PMD_INIT_LOG(ERR, "Create FDIR hash handle fail!");
824 fdir_info->hash_map = rte_zmalloc("hns3 FDIR hash",
826 sizeof(struct hns3_fdir_rule_ele *),
828 if (fdir_info->hash_map == NULL) {
829 PMD_INIT_LOG(ERR, "Allocate memory for FDIR hash map fail!");
830 rte_hash_free(fdir_info->hash_handle);
837 void hns3_fdir_filter_uninit(struct hns3_adapter *hns)
839 struct hns3_pf *pf = &hns->pf;
840 struct hns3_fdir_info *fdir_info = &pf->fdir;
841 struct hns3_fdir_rule_ele *fdir_filter;
843 rte_spinlock_lock(&fdir_info->flows_lock);
844 if (fdir_info->hash_map) {
845 rte_free(fdir_info->hash_map);
846 fdir_info->hash_map = NULL;
848 if (fdir_info->hash_handle) {
849 rte_hash_free(fdir_info->hash_handle);
850 fdir_info->hash_handle = NULL;
852 rte_spinlock_unlock(&fdir_info->flows_lock);
854 fdir_filter = TAILQ_FIRST(&fdir_info->fdir_list);
855 while (fdir_filter) {
856 TAILQ_REMOVE(&fdir_info->fdir_list, fdir_filter, entries);
857 hns3_fd_tcam_config(&hns->hw, true,
858 fdir_filter->fdir_conf.location, NULL,
860 rte_free(fdir_filter);
861 fdir_filter = TAILQ_FIRST(&fdir_info->fdir_list);
866 * Find a key in the hash table.
868 * - Zero and positive values are key location.
869 * - -EINVAL if the parameters are invalid.
870 * - -ENOENT if the key is not found.
872 static int hns3_fdir_filter_lookup(struct hns3_fdir_info *fdir_info,
873 struct hns3_fdir_key_conf *key)
878 rte_spinlock_lock(&fdir_info->flows_lock);
879 sig = rte_hash_crc(key, sizeof(*key), 0);
880 ret = rte_hash_lookup_with_hash(fdir_info->hash_handle, key, sig);
881 rte_spinlock_unlock(&fdir_info->flows_lock);
886 static int hns3_insert_fdir_filter(struct hns3_hw *hw,
887 struct hns3_fdir_info *fdir_info,
888 struct hns3_fdir_rule_ele *fdir_filter)
890 struct hns3_fdir_key_conf *key;
894 key = &fdir_filter->fdir_conf.key_conf;
895 rte_spinlock_lock(&fdir_info->flows_lock);
896 sig = rte_hash_crc(key, sizeof(*key), 0);
897 ret = rte_hash_add_key_with_hash(fdir_info->hash_handle, key, sig);
899 rte_spinlock_unlock(&fdir_info->flows_lock);
900 hns3_err(hw, "Hash table full? err:%d(%s)!", ret,
905 fdir_info->hash_map[ret] = fdir_filter;
906 TAILQ_INSERT_TAIL(&fdir_info->fdir_list, fdir_filter, entries);
907 rte_spinlock_unlock(&fdir_info->flows_lock);
912 static int hns3_remove_fdir_filter(struct hns3_hw *hw,
913 struct hns3_fdir_info *fdir_info,
914 struct hns3_fdir_key_conf *key)
916 struct hns3_fdir_rule_ele *fdir_filter;
920 rte_spinlock_lock(&fdir_info->flows_lock);
921 sig = rte_hash_crc(key, sizeof(*key), 0);
922 ret = rte_hash_del_key_with_hash(fdir_info->hash_handle, key, sig);
924 rte_spinlock_unlock(&fdir_info->flows_lock);
925 hns3_err(hw, "Delete hash key fail ret=%d", ret);
929 fdir_filter = fdir_info->hash_map[ret];
930 fdir_info->hash_map[ret] = NULL;
931 TAILQ_REMOVE(&fdir_info->fdir_list, fdir_filter, entries);
932 rte_spinlock_unlock(&fdir_info->flows_lock);
934 rte_free(fdir_filter);
939 int hns3_fdir_filter_program(struct hns3_adapter *hns,
940 struct hns3_fdir_rule *rule, bool del)
942 struct hns3_pf *pf = &hns->pf;
943 struct hns3_fdir_info *fdir_info = &pf->fdir;
944 struct hns3_fdir_rule_ele *node;
945 struct hns3_hw *hw = &hns->hw;
949 ret = hns3_fd_tcam_config(hw, true, rule->location, NULL,
952 hns3_err(hw, "Failed to delete fdir: %d src_ip:%x "
953 "dst_ip:%x src_port:%d dst_port:%d ret = %d",
955 rule->key_conf.spec.src_ip[IP_ADDR_KEY_ID],
956 rule->key_conf.spec.dst_ip[IP_ADDR_KEY_ID],
957 rule->key_conf.spec.src_port,
958 rule->key_conf.spec.dst_port, ret);
960 hns3_remove_fdir_filter(hw, fdir_info, &rule->key_conf);
965 ret = hns3_fdir_filter_lookup(fdir_info, &rule->key_conf);
967 hns3_err(hw, "Conflict with existing fdir loc: %d", ret);
971 node = rte_zmalloc("hns3 fdir rule", sizeof(struct hns3_fdir_rule_ele),
974 hns3_err(hw, "Failed to allocate fdir_rule memory");
978 rte_memcpy(&node->fdir_conf, rule, sizeof(struct hns3_fdir_rule));
979 ret = hns3_insert_fdir_filter(hw, fdir_info, node);
984 rule->location = ret;
985 node->fdir_conf.location = ret;
987 rte_spinlock_lock(&fdir_info->flows_lock);
988 ret = hns3_config_action(hw, rule);
990 ret = hns3_config_key(hns, rule);
991 rte_spinlock_unlock(&fdir_info->flows_lock);
993 hns3_err(hw, "Failed to config fdir: %d src_ip:%x dst_ip:%x "
994 "src_port:%d dst_port:%d ret = %d",
996 rule->key_conf.spec.src_ip[IP_ADDR_KEY_ID],
997 rule->key_conf.spec.dst_ip[IP_ADDR_KEY_ID],
998 rule->key_conf.spec.src_port,
999 rule->key_conf.spec.dst_port, ret);
1000 (void)hns3_remove_fdir_filter(hw, fdir_info, &rule->key_conf);
1006 /* remove all the flow director filters */
1007 int hns3_clear_all_fdir_filter(struct hns3_adapter *hns)
1009 struct hns3_pf *pf = &hns->pf;
1010 struct hns3_fdir_info *fdir_info = &pf->fdir;
1011 struct hns3_fdir_rule_ele *fdir_filter;
1012 struct hns3_hw *hw = &hns->hw;
1015 /* flush flow director */
1016 rte_spinlock_lock(&fdir_info->flows_lock);
1017 rte_hash_reset(fdir_info->hash_handle);
1018 rte_spinlock_unlock(&fdir_info->flows_lock);
1020 fdir_filter = TAILQ_FIRST(&fdir_info->fdir_list);
1021 while (fdir_filter) {
1022 TAILQ_REMOVE(&fdir_info->fdir_list, fdir_filter, entries);
1023 ret += hns3_fd_tcam_config(hw, true,
1024 fdir_filter->fdir_conf.location,
1026 rte_free(fdir_filter);
1027 fdir_filter = TAILQ_FIRST(&fdir_info->fdir_list);
1031 hns3_err(hw, "Fail to delete FDIR filter, ret = %d", ret);
1037 int hns3_restore_all_fdir_filter(struct hns3_adapter *hns)
1039 struct hns3_pf *pf = &hns->pf;
1040 struct hns3_fdir_info *fdir_info = &pf->fdir;
1041 struct hns3_fdir_rule_ele *fdir_filter;
1042 struct hns3_hw *hw = &hns->hw;
1046 TAILQ_FOREACH(fdir_filter, &fdir_info->fdir_list, entries) {
1047 ret = hns3_config_action(hw, &fdir_filter->fdir_conf);
1049 ret = hns3_config_key(hns, &fdir_filter->fdir_conf);
1058 hns3_err(hw, "Fail to restore FDIR filter, ret = %d", ret);
1064 int hns3_get_count(struct hns3_hw *hw, uint32_t id, uint64_t *value)
1066 struct hns3_fd_get_cnt_cmd *req;
1067 struct hns3_cmd_desc desc;
1070 hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_FD_COUNTER_OP, true);
1072 req = (struct hns3_fd_get_cnt_cmd *)desc.data;
1073 req->stage = HNS3_FD_STAGE_1;
1074 req->index = rte_cpu_to_le_32(id);
1076 ret = hns3_cmd_send(hw, &desc, 1);
1078 hns3_err(hw, "Read counter fail, ret=%d", ret);
1082 *value = req->value;