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(struct hns3_hw *hw,
530 uint32_t tuple, uint8_t *key_x,
531 uint8_t *key_y, struct hns3_fdir_rule *rule)
533 struct hns3_fdir_key_conf *key_conf;
537 if ((rule->input_set & BIT(tuple)) == 0)
540 key_conf = &rule->key_conf;
543 hns3_fd_convert_mac(key_conf->spec.dst_mac,
544 key_conf->mask.dst_mac, key_x, key_y);
547 hns3_fd_convert_mac(key_conf->spec.src_mac,
548 key_conf->mask.src_mac, key_x, key_y);
555 case INNER_VLAN_TAG1:
556 case INNER_VLAN_TAG2:
558 hns3_fd_convert_int16(tuple, rule, key_x, key_y);
561 hns3_fd_convert_int32(key_conf->spec.src_ip[IP_ADDR_KEY_ID],
562 key_conf->mask.src_ip[IP_ADDR_KEY_ID],
566 hns3_fd_convert_int32(key_conf->spec.dst_ip[IP_ADDR_KEY_ID],
567 key_conf->mask.dst_ip[IP_ADDR_KEY_ID],
571 hns3_fd_convert_int32(key_conf->spec.sctp_tag,
572 key_conf->mask.sctp_tag, key_x, key_y);
575 for (i = 0; i < VNI_OR_TNI_LEN; i++) {
576 tmp = VNI_OR_TNI_LEN - 1 - i;
578 key_conf->spec.outer_tun_vni[i],
579 key_conf->mask.outer_tun_vni[i]);
581 key_conf->spec.outer_tun_vni[i],
582 key_conf->mask.outer_tun_vni[i]);
585 case OUTER_TUN_FLOW_ID:
586 calc_x(*key_x, key_conf->spec.outer_tun_flow_id,
587 key_conf->mask.outer_tun_flow_id);
588 calc_y(*key_y, key_conf->spec.outer_tun_flow_id,
589 key_conf->mask.outer_tun_flow_id);
592 calc_x(*key_x, key_conf->spec.ip_tos, key_conf->mask.ip_tos);
593 calc_y(*key_y, key_conf->spec.ip_tos, key_conf->mask.ip_tos);
596 calc_x(*key_x, key_conf->spec.outer_proto,
597 key_conf->mask.outer_proto);
598 calc_y(*key_y, key_conf->spec.outer_proto,
599 key_conf->mask.outer_proto);
602 calc_x(*key_x, key_conf->spec.ip_proto,
603 key_conf->mask.ip_proto);
604 calc_y(*key_y, key_conf->spec.ip_proto,
605 key_conf->mask.ip_proto);
608 hns3_warn(hw, "not support tuple of (%d)", tuple);
614 static uint32_t hns3_get_port_number(uint8_t pf_id, uint8_t vf_id)
616 uint32_t port_number = 0;
618 hns3_set_field(port_number, HNS3_PF_ID_M, HNS3_PF_ID_S, pf_id);
619 hns3_set_field(port_number, HNS3_VF_ID_M, HNS3_VF_ID_S, vf_id);
620 hns3_set_bit(port_number, HNS3_PORT_TYPE_B, HOST_PORT);
625 static void hns3_fd_convert_meta_data(struct hns3_fd_key_cfg *cfg,
627 struct hns3_fdir_rule *rule,
628 uint8_t *key_x, uint8_t *key_y)
630 uint16_t meta_data = 0;
631 uint32_t port_number;
639 for (i = 0; i < MAX_META_DATA; i++) {
640 if ((cfg->meta_data_active & BIT(i)) == 0)
643 tuple_size = meta_data_key_info[i].key_length;
644 if (i == TUNNEL_PACKET) {
645 hns3_set_bit(meta_data, cur_pos,
646 rule->key_conf.spec.tunnel_type ? 1 : 0);
647 cur_pos += tuple_size;
648 } else if (i == VLAN_NUMBER) {
651 if (rule->key_conf.spec.tunnel_type == 0)
652 vlan_num = rule->key_conf.vlan_num;
654 vlan_num = rule->key_conf.outer_vlan_num;
656 vlan_tag = HNS3_VLAN_TAG_TYPE_TAG1;
657 else if (vlan_num == VLAN_TAG_NUM_MAX)
658 vlan_tag = HNS3_VLAN_TAG_TYPE_TAG1_2;
660 vlan_tag = HNS3_VLAN_TAG_TYPE_NONE;
661 hns3_set_field(meta_data,
662 GENMASK(cur_pos + tuple_size,
663 cur_pos), cur_pos, vlan_tag);
664 cur_pos += tuple_size;
665 } else if (i == DST_VPORT) {
666 port_number = hns3_get_port_number(0, vf_id);
667 hns3_set_field(meta_data,
668 GENMASK(cur_pos + tuple_size, cur_pos),
669 cur_pos, port_number);
670 cur_pos += tuple_size;
674 calc_x(tmp_x, meta_data, 0xFFFF);
675 calc_y(tmp_y, meta_data, 0xFFFF);
676 shift_bits = sizeof(meta_data) * HNS3_BITS_PER_BYTE - cur_pos;
678 tmp_x = rte_cpu_to_le_32(tmp_x << shift_bits);
679 tmp_y = rte_cpu_to_le_32(tmp_y << shift_bits);
680 key_x[0] = tmp_x & 0xFF;
681 key_x[1] = (tmp_x >> HNS3_BITS_PER_BYTE) & 0xFF;
682 key_y[0] = tmp_y & 0xFF;
683 key_y[1] = (tmp_y >> HNS3_BITS_PER_BYTE) & 0xFF;
686 /* A complete key is combined with meta data key and tuple key.
687 * Meta data key is stored at the MSB region, and tuple key is stored at
688 * the LSB region, unused bits will be filled 0.
690 static int hns3_config_key(struct hns3_adapter *hns,
691 struct hns3_fdir_rule *rule)
693 struct hns3_pf *pf = &hns->pf;
694 struct hns3_hw *hw = &hns->hw;
695 struct hns3_fd_key_cfg *key_cfg;
698 uint8_t key_x[MAX_KEY_BYTES] __rte_aligned(4);
699 uint8_t key_y[MAX_KEY_BYTES] __rte_aligned(4);
700 uint8_t vf_id = rule->vf_id;
701 uint8_t meta_data_region;
706 memset(key_x, 0, sizeof(key_x));
707 memset(key_y, 0, sizeof(key_y));
711 key_cfg = &pf->fdir.fd_cfg.key_cfg[HNS3_FD_STAGE_1];
712 for (i = 0; i < MAX_TUPLE; i++) {
715 tuple_size = tuple_key_info[i].key_length / HNS3_BITS_PER_BYTE;
716 if (key_cfg->tuple_active & BIT(i)) {
717 tuple_valid = hns3_fd_convert_tuple(hw, i, cur_key_x,
720 cur_key_x += tuple_size;
721 cur_key_y += tuple_size;
726 meta_data_region = pf->fdir.fd_cfg.max_key_length / HNS3_BITS_PER_BYTE -
727 MAX_META_DATA_LENGTH / HNS3_BITS_PER_BYTE;
729 hns3_fd_convert_meta_data(key_cfg, vf_id, rule,
730 key_x + meta_data_region,
731 key_y + meta_data_region);
733 ret = hns3_fd_tcam_config(hw, false, rule->location, key_y, true);
735 hns3_err(hw, "Config fd key_y fail, loc=%d, ret=%d",
736 rule->queue_id, ret);
740 ret = hns3_fd_tcam_config(hw, true, rule->location, key_x, true);
742 hns3_err(hw, "Config fd key_x fail, loc=%d, ret=%d",
743 rule->queue_id, ret);
747 static int hns3_config_action(struct hns3_hw *hw, struct hns3_fdir_rule *rule)
749 struct hns3_fd_ad_data ad_data;
751 ad_data.ad_id = rule->location;
753 if (rule->action == HNS3_FD_ACTION_DROP_PACKET) {
754 ad_data.drop_packet = true;
755 ad_data.forward_to_direct_queue = false;
756 ad_data.queue_id = 0;
758 ad_data.drop_packet = false;
759 ad_data.forward_to_direct_queue = true;
760 ad_data.queue_id = rule->queue_id;
763 if (unlikely(rule->flags & HNS3_RULE_FLAG_COUNTER)) {
764 ad_data.use_counter = true;
765 ad_data.counter_id = rule->act_cnt.id;
767 ad_data.use_counter = false;
768 ad_data.counter_id = 0;
771 if (unlikely(rule->flags & HNS3_RULE_FLAG_FDID))
772 ad_data.rule_id = rule->fd_id;
774 ad_data.rule_id = rule->location;
776 ad_data.use_next_stage = false;
777 ad_data.next_input_key = 0;
779 ad_data.write_rule_id_to_bd = true;
781 return hns3_fd_ad_config(hw, ad_data.ad_id, &ad_data);
784 static int hns3_fd_clear_all_rules(struct hns3_hw *hw, uint32_t rule_num)
789 for (i = 0; i < rule_num; i++) {
790 ret = hns3_fd_tcam_config(hw, true, i, NULL, false);
798 int hns3_fdir_filter_init(struct hns3_adapter *hns)
800 struct hns3_pf *pf = &hns->pf;
801 struct hns3_fdir_info *fdir_info = &pf->fdir;
802 uint32_t rule_num = fdir_info->fd_cfg.rule_num[HNS3_FD_STAGE_1];
803 char fdir_hash_name[RTE_HASH_NAMESIZE];
804 struct rte_hash_parameters fdir_hash_params = {
805 .name = fdir_hash_name,
807 .key_len = sizeof(struct hns3_fdir_key_conf),
808 .hash_func = rte_hash_crc,
809 .hash_func_init_val = 0,
813 ret = hns3_fd_clear_all_rules(&hns->hw, rule_num);
815 PMD_INIT_LOG(ERR, "Clear all fd rules fail! ret = %d", ret);
819 fdir_hash_params.socket_id = rte_socket_id();
820 TAILQ_INIT(&fdir_info->fdir_list);
821 rte_spinlock_init(&fdir_info->flows_lock);
822 snprintf(fdir_hash_name, RTE_HASH_NAMESIZE, "%s", hns->hw.data->name);
823 fdir_info->hash_handle = rte_hash_create(&fdir_hash_params);
824 if (fdir_info->hash_handle == NULL) {
825 PMD_INIT_LOG(ERR, "Create FDIR hash handle fail!");
828 fdir_info->hash_map = rte_zmalloc("hns3 FDIR hash",
830 sizeof(struct hns3_fdir_rule_ele *),
832 if (fdir_info->hash_map == NULL) {
833 PMD_INIT_LOG(ERR, "Allocate memory for FDIR hash map fail!");
834 rte_hash_free(fdir_info->hash_handle);
841 void hns3_fdir_filter_uninit(struct hns3_adapter *hns)
843 struct hns3_pf *pf = &hns->pf;
844 struct hns3_fdir_info *fdir_info = &pf->fdir;
845 struct hns3_fdir_rule_ele *fdir_filter;
847 rte_spinlock_lock(&fdir_info->flows_lock);
848 if (fdir_info->hash_map) {
849 rte_free(fdir_info->hash_map);
850 fdir_info->hash_map = NULL;
852 if (fdir_info->hash_handle) {
853 rte_hash_free(fdir_info->hash_handle);
854 fdir_info->hash_handle = NULL;
856 rte_spinlock_unlock(&fdir_info->flows_lock);
858 fdir_filter = TAILQ_FIRST(&fdir_info->fdir_list);
859 while (fdir_filter) {
860 TAILQ_REMOVE(&fdir_info->fdir_list, fdir_filter, entries);
861 hns3_fd_tcam_config(&hns->hw, true,
862 fdir_filter->fdir_conf.location, NULL,
864 rte_free(fdir_filter);
865 fdir_filter = TAILQ_FIRST(&fdir_info->fdir_list);
870 * Find a key in the hash table.
872 * - Zero and positive values are key location.
873 * - -EINVAL if the parameters are invalid.
874 * - -ENOENT if the key is not found.
876 static int hns3_fdir_filter_lookup(struct hns3_fdir_info *fdir_info,
877 struct hns3_fdir_key_conf *key)
882 rte_spinlock_lock(&fdir_info->flows_lock);
883 sig = rte_hash_crc(key, sizeof(*key), 0);
884 ret = rte_hash_lookup_with_hash(fdir_info->hash_handle, key, sig);
885 rte_spinlock_unlock(&fdir_info->flows_lock);
890 static int hns3_insert_fdir_filter(struct hns3_hw *hw,
891 struct hns3_fdir_info *fdir_info,
892 struct hns3_fdir_rule_ele *fdir_filter)
894 struct hns3_fdir_key_conf *key;
898 key = &fdir_filter->fdir_conf.key_conf;
899 rte_spinlock_lock(&fdir_info->flows_lock);
900 sig = rte_hash_crc(key, sizeof(*key), 0);
901 ret = rte_hash_add_key_with_hash(fdir_info->hash_handle, key, sig);
903 rte_spinlock_unlock(&fdir_info->flows_lock);
904 hns3_err(hw, "Hash table full? err:%d(%s)!", ret,
909 fdir_info->hash_map[ret] = fdir_filter;
910 TAILQ_INSERT_TAIL(&fdir_info->fdir_list, fdir_filter, entries);
911 rte_spinlock_unlock(&fdir_info->flows_lock);
916 static int hns3_remove_fdir_filter(struct hns3_hw *hw,
917 struct hns3_fdir_info *fdir_info,
918 struct hns3_fdir_key_conf *key)
920 struct hns3_fdir_rule_ele *fdir_filter;
924 rte_spinlock_lock(&fdir_info->flows_lock);
925 sig = rte_hash_crc(key, sizeof(*key), 0);
926 ret = rte_hash_del_key_with_hash(fdir_info->hash_handle, key, sig);
928 rte_spinlock_unlock(&fdir_info->flows_lock);
929 hns3_err(hw, "Delete hash key fail ret=%d", ret);
933 fdir_filter = fdir_info->hash_map[ret];
934 fdir_info->hash_map[ret] = NULL;
935 TAILQ_REMOVE(&fdir_info->fdir_list, fdir_filter, entries);
936 rte_spinlock_unlock(&fdir_info->flows_lock);
938 rte_free(fdir_filter);
943 int hns3_fdir_filter_program(struct hns3_adapter *hns,
944 struct hns3_fdir_rule *rule, bool del)
946 struct hns3_pf *pf = &hns->pf;
947 struct hns3_fdir_info *fdir_info = &pf->fdir;
948 struct hns3_fdir_rule_ele *node;
949 struct hns3_hw *hw = &hns->hw;
953 ret = hns3_fd_tcam_config(hw, true, rule->location, NULL,
956 hns3_err(hw, "Failed to delete fdir: %d src_ip:%x "
957 "dst_ip:%x src_port:%d dst_port:%d ret = %d",
959 rule->key_conf.spec.src_ip[IP_ADDR_KEY_ID],
960 rule->key_conf.spec.dst_ip[IP_ADDR_KEY_ID],
961 rule->key_conf.spec.src_port,
962 rule->key_conf.spec.dst_port, ret);
964 hns3_remove_fdir_filter(hw, fdir_info, &rule->key_conf);
969 ret = hns3_fdir_filter_lookup(fdir_info, &rule->key_conf);
971 hns3_err(hw, "Conflict with existing fdir loc: %d", ret);
975 node = rte_zmalloc("hns3 fdir rule", sizeof(struct hns3_fdir_rule_ele),
978 hns3_err(hw, "Failed to allocate fdir_rule memory");
982 rte_memcpy(&node->fdir_conf, rule, sizeof(struct hns3_fdir_rule));
983 ret = hns3_insert_fdir_filter(hw, fdir_info, node);
988 rule->location = ret;
989 node->fdir_conf.location = ret;
991 rte_spinlock_lock(&fdir_info->flows_lock);
992 ret = hns3_config_action(hw, rule);
994 ret = hns3_config_key(hns, rule);
995 rte_spinlock_unlock(&fdir_info->flows_lock);
997 hns3_err(hw, "Failed to config fdir: %d src_ip:%x dst_ip:%x "
998 "src_port:%d dst_port:%d ret = %d",
1000 rule->key_conf.spec.src_ip[IP_ADDR_KEY_ID],
1001 rule->key_conf.spec.dst_ip[IP_ADDR_KEY_ID],
1002 rule->key_conf.spec.src_port,
1003 rule->key_conf.spec.dst_port, ret);
1004 (void)hns3_remove_fdir_filter(hw, fdir_info, &rule->key_conf);
1010 /* remove all the flow director filters */
1011 int hns3_clear_all_fdir_filter(struct hns3_adapter *hns)
1013 struct hns3_pf *pf = &hns->pf;
1014 struct hns3_fdir_info *fdir_info = &pf->fdir;
1015 struct hns3_fdir_rule_ele *fdir_filter;
1016 struct hns3_hw *hw = &hns->hw;
1019 /* flush flow director */
1020 rte_spinlock_lock(&fdir_info->flows_lock);
1021 rte_hash_reset(fdir_info->hash_handle);
1022 rte_spinlock_unlock(&fdir_info->flows_lock);
1024 fdir_filter = TAILQ_FIRST(&fdir_info->fdir_list);
1025 while (fdir_filter) {
1026 TAILQ_REMOVE(&fdir_info->fdir_list, fdir_filter, entries);
1027 ret += hns3_fd_tcam_config(hw, true,
1028 fdir_filter->fdir_conf.location,
1030 rte_free(fdir_filter);
1031 fdir_filter = TAILQ_FIRST(&fdir_info->fdir_list);
1035 hns3_err(hw, "Fail to delete FDIR filter, ret = %d", ret);
1041 int hns3_restore_all_fdir_filter(struct hns3_adapter *hns)
1043 struct hns3_pf *pf = &hns->pf;
1044 struct hns3_fdir_info *fdir_info = &pf->fdir;
1045 struct hns3_fdir_rule_ele *fdir_filter;
1046 struct hns3_hw *hw = &hns->hw;
1050 TAILQ_FOREACH(fdir_filter, &fdir_info->fdir_list, entries) {
1051 ret = hns3_config_action(hw, &fdir_filter->fdir_conf);
1053 ret = hns3_config_key(hns, &fdir_filter->fdir_conf);
1062 hns3_err(hw, "Fail to restore FDIR filter, ret = %d", ret);
1068 int hns3_get_count(struct hns3_hw *hw, uint32_t id, uint64_t *value)
1070 struct hns3_fd_get_cnt_cmd *req;
1071 struct hns3_cmd_desc desc;
1074 hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_FD_COUNTER_OP, true);
1076 req = (struct hns3_fd_get_cnt_cmd *)desc.data;
1077 req->stage = HNS3_FD_STAGE_1;
1078 req->index = rte_cpu_to_le_32(id);
1080 ret = hns3_cmd_send(hw, &desc, 1);
1082 hns3_err(hw, "Read counter fail, ret=%d", ret);
1086 *value = req->value;