1 // SPDX-License-Identifier: BSD-3-Clause
3 * Copyright 2018 Mellanox Technologies, Ltd
7 #include <rte_malloc.h>
9 #include <rte_mtr_driver.h>
12 #include "mlx5_flow.h"
15 * Find meter profile by id.
18 * Pointer to mlx5_priv.
19 * @param meter_profile_id
23 * Pointer to the profile found on success, NULL otherwise.
25 static struct mlx5_flow_meter_profile *
26 mlx5_flow_meter_profile_find(struct mlx5_priv *priv, uint32_t meter_profile_id)
28 struct mlx5_mtr_profiles *fmps = &priv->flow_meter_profiles;
29 struct mlx5_flow_meter_profile *fmp;
31 TAILQ_FOREACH(fmp, fmps, next)
32 if (meter_profile_id == fmp->meter_profile_id)
38 * Validate the MTR profile.
41 * Pointer to Ethernet device.
42 * @param[in] meter_profile_id
45 * Pointer to meter profile detail.
47 * Pointer to the error structure.
50 * 0 on success, a negative errno value otherwise and rte_errno is set.
53 mlx5_flow_meter_profile_validate(struct rte_eth_dev *dev,
54 uint32_t meter_profile_id,
55 struct rte_mtr_meter_profile *profile,
56 struct rte_mtr_error *error)
58 struct mlx5_priv *priv = dev->data->dev_private;
59 struct mlx5_flow_meter_profile *fmp;
61 /* Profile must not be NULL. */
63 return -rte_mtr_error_set(error, EINVAL,
64 RTE_MTR_ERROR_TYPE_METER_PROFILE,
65 NULL, "Meter profile is null.");
66 /* Meter profile ID must be valid. */
67 if (meter_profile_id == UINT32_MAX)
68 return -rte_mtr_error_set(error, EINVAL,
69 RTE_MTR_ERROR_TYPE_METER_PROFILE_ID,
70 NULL, "Meter profile id not valid.");
71 /* Meter profile must not exist. */
72 fmp = mlx5_flow_meter_profile_find(priv, meter_profile_id);
74 return -rte_mtr_error_set(error, EEXIST,
75 RTE_MTR_ERROR_TYPE_METER_PROFILE_ID,
77 "Meter profile already exists.");
78 if (profile->alg == RTE_MTR_SRTCM_RFC2697) {
79 if (priv->config.hca_attr.qos.srtcm_sup) {
80 /* Verify support for flow meter parameters. */
81 if (profile->srtcm_rfc2697.cir > 0 &&
82 profile->srtcm_rfc2697.cir <= MLX5_SRTCM_CIR_MAX &&
83 profile->srtcm_rfc2697.cbs > 0 &&
84 profile->srtcm_rfc2697.cbs <= MLX5_SRTCM_CBS_MAX &&
85 profile->srtcm_rfc2697.ebs <= MLX5_SRTCM_EBS_MAX)
88 return -rte_mtr_error_set
90 RTE_MTR_ERROR_TYPE_MTR_PARAMS,
92 profile->srtcm_rfc2697.ebs ?
93 "Metering value ebs must be 0." :
94 "Invalid metering parameters.");
97 return -rte_mtr_error_set(error, ENOTSUP,
98 RTE_MTR_ERROR_TYPE_METER_PROFILE,
99 NULL, "Metering algorithm not supported.");
103 * Calculate mantissa and exponent for cir.
106 * Value to be calculated.
108 * Pointer to the mantissa.
110 * Pointer to the exp.
113 mlx5_flow_meter_cir_man_exp_calc(int64_t cir, uint8_t *man, uint8_t *exp)
116 int64_t delta = INT64_MAX;
121 for (m = 0; m <= 0xFF; m++) { /* man width 8 bit */
122 for (e = 0; e <= 0x1F; e++) { /* exp width 5bit */
123 _cir = (1000000000ULL * m) >> e;
124 if (llabs(cir - _cir) <= delta) {
125 delta = llabs(cir - _cir);
136 * Calculate mantissa and exponent for xbs.
139 * Value to be calculated.
141 * Pointer to the mantissa.
143 * Pointer to the exp.
146 mlx5_flow_meter_xbs_man_exp_calc(uint64_t xbs, uint8_t *man, uint8_t *exp)
151 /* Special case xbs == 0 ? both exp and matissa are 0. */
157 /* xbs = xbs_mantissa * 2^xbs_exponent */
158 _man = frexp(xbs, &_exp);
159 _man = _man * pow(2, MLX5_MAN_WIDTH);
160 _exp = _exp - MLX5_MAN_WIDTH;
161 *man = (uint8_t)ceil(_man);
166 * Fill the prm meter parameter.
169 * Pointer to meter profie to be converted.
171 * Pointer to the error structure.
174 * 0 on success, a negative errno value otherwise and rte_errno is set.
177 mlx5_flow_meter_param_fill(struct mlx5_flow_meter_profile *fmp,
178 struct rte_mtr_error *error)
180 struct mlx5_flow_meter_srtcm_rfc2697_prm *srtcm = &fmp->srtcm_prm;
183 if (fmp->profile.alg != RTE_MTR_SRTCM_RFC2697)
184 return -rte_mtr_error_set(error, ENOTSUP,
185 RTE_MTR_ERROR_TYPE_METER_PROFILE,
186 NULL, "Metering algorithm not supported.");
187 /* cbs = cbs_mantissa * 2^cbs_exponent */
188 mlx5_flow_meter_xbs_man_exp_calc(fmp->profile.srtcm_rfc2697.cbs,
190 srtcm->cbs_mantissa = man;
191 srtcm->cbs_exponent = exp;
192 /* Check if cbs mantissa is too large. */
193 if (srtcm->cbs_exponent != exp)
194 return -rte_mtr_error_set(error, EINVAL,
195 RTE_MTR_ERROR_TYPE_MTR_PARAMS, NULL,
196 "Metering profile parameter cbs is"
198 /* ebs = ebs_mantissa * 2^ebs_exponent */
199 mlx5_flow_meter_xbs_man_exp_calc(fmp->profile.srtcm_rfc2697.ebs,
201 srtcm->ebs_mantissa = man;
202 srtcm->ebs_exponent = exp;
203 /* Check if ebs mantissa is too large. */
204 if (srtcm->ebs_exponent != exp)
205 return -rte_mtr_error_set(error, EINVAL,
206 RTE_MTR_ERROR_TYPE_MTR_PARAMS, NULL,
207 "Metering profile parameter ebs is"
209 /* cir = 8G * cir_mantissa * 1/(2^cir_exponent)) Bytes/Sec */
210 mlx5_flow_meter_cir_man_exp_calc(fmp->profile.srtcm_rfc2697.cir,
212 srtcm->cir_mantissa = man;
213 srtcm->cir_exponent = exp;
214 /* Check if cir mantissa is too large. */
215 if (srtcm->cir_exponent != exp)
216 return -rte_mtr_error_set(error, EINVAL,
217 RTE_MTR_ERROR_TYPE_MTR_PARAMS, NULL,
218 "Metering profile parameter cir is"
224 * Callback to get MTR capabilities.
227 * Pointer to Ethernet device.
229 * Pointer to save MTR capabilities.
231 * Pointer to the error structure.
234 * 0 on success, a negative errno value otherwise and rte_errno is set.
237 mlx5_flow_mtr_cap_get(struct rte_eth_dev *dev,
238 struct rte_mtr_capabilities *cap,
239 struct rte_mtr_error *error __rte_unused)
241 struct mlx5_priv *priv = dev->data->dev_private;
242 struct mlx5_hca_qos_attr *qattr = &priv->config.hca_attr.qos;
245 return -rte_mtr_error_set(error, ENOTSUP,
246 RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
247 "Meter is not support");
248 memset(cap, 0, sizeof(*cap));
249 cap->n_max = 1 << qattr->log_max_flow_meter;
250 cap->n_shared_max = cap->n_max;
252 cap->shared_identical = 1;
253 cap->shared_n_flows_per_mtr_max = 4 << 20;
254 /* 2M flows can share the same meter. */
255 cap->chaining_n_mtrs_per_flow_max = 1; /* Chaining is not supported. */
256 cap->meter_srtcm_rfc2697_n_max = qattr->srtcm_sup ? cap->n_max : 0;
257 cap->meter_rate_max = 1ULL << 40; /* 1 Tera tokens per sec. */
258 cap->policer_action_drop_supported = 1;
259 cap->stats_mask = RTE_MTR_STATS_N_BYTES_DROPPED |
260 RTE_MTR_STATS_N_PKTS_DROPPED;
265 * Callback to add MTR profile.
268 * Pointer to Ethernet device.
269 * @param[in] meter_profile_id
272 * Pointer to meter profile detail.
274 * Pointer to the error structure.
277 * 0 on success, a negative errno value otherwise and rte_errno is set.
280 mlx5_flow_meter_profile_add(struct rte_eth_dev *dev,
281 uint32_t meter_profile_id,
282 struct rte_mtr_meter_profile *profile,
283 struct rte_mtr_error *error)
285 struct mlx5_priv *priv = dev->data->dev_private;
286 struct mlx5_mtr_profiles *fmps = &priv->flow_meter_profiles;
287 struct mlx5_flow_meter_profile *fmp;
291 return -rte_mtr_error_set(error, ENOTSUP,
292 RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
293 "Meter is not support");
294 /* Check input params. */
295 ret = mlx5_flow_meter_profile_validate(dev, meter_profile_id,
299 /* Meter profile memory allocation. */
300 fmp = rte_calloc(__func__, 1, sizeof(struct mlx5_flow_meter_profile),
301 RTE_CACHE_LINE_SIZE);
303 return -rte_mtr_error_set(error, ENOMEM,
304 RTE_MTR_ERROR_TYPE_UNSPECIFIED,
305 NULL, "Meter profile memory "
307 /* Fill profile info. */
308 fmp->meter_profile_id = meter_profile_id;
309 fmp->profile = *profile;
310 /* Fill the flow meter parameters for the PRM. */
311 ret = mlx5_flow_meter_param_fill(fmp, error);
315 TAILQ_INSERT_TAIL(fmps, fmp, next);
323 * Callback to delete MTR profile.
326 * Pointer to Ethernet device.
327 * @param[in] meter_profile_id
330 * Pointer to the error structure.
333 * 0 on success, a negative errno value otherwise and rte_errno is set.
336 mlx5_flow_meter_profile_delete(struct rte_eth_dev *dev,
337 uint32_t meter_profile_id,
338 struct rte_mtr_error *error)
340 struct mlx5_priv *priv = dev->data->dev_private;
341 struct mlx5_flow_meter_profile *fmp;
344 return -rte_mtr_error_set(error, ENOTSUP,
345 RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
346 "Meter is not support");
347 /* Meter profile must exist. */
348 fmp = mlx5_flow_meter_profile_find(priv, meter_profile_id);
350 return -rte_mtr_error_set(error, ENOENT,
351 RTE_MTR_ERROR_TYPE_METER_PROFILE_ID,
353 "Meter profile id invalid.");
354 /* Check profile is unused. */
356 return -rte_mtr_error_set(error, EBUSY,
357 RTE_MTR_ERROR_TYPE_METER_PROFILE_ID,
358 NULL, "Meter profile in use.");
359 /* Remove from list. */
360 TAILQ_REMOVE(&priv->flow_meter_profiles, fmp, next);
366 * Convert wrong color setting action to verbose error.
369 * Policy color action.
372 * Verbose meter color error type.
374 static inline enum rte_mtr_error_type
375 action2error(enum rte_mtr_policer_action action)
378 case MTR_POLICER_ACTION_COLOR_GREEN:
379 return RTE_MTR_ERROR_TYPE_POLICER_ACTION_GREEN;
380 case MTR_POLICER_ACTION_COLOR_YELLOW:
381 return RTE_MTR_ERROR_TYPE_POLICER_ACTION_YELLOW;
382 case MTR_POLICER_ACTION_COLOR_RED:
383 return RTE_MTR_ERROR_TYPE_POLICER_ACTION_RED;
387 return RTE_MTR_ERROR_TYPE_UNSPECIFIED;
391 * Check meter validation.
394 * Pointer to mlx5 private data structure.
395 * @param[in] meter_id
398 * Pointer to rte meter parameters.
400 * Pointer to rte meter error structure.
403 * 0 on success, a negative errno value otherwise and rte_errno is set.
406 mlx5_flow_meter_validate(struct mlx5_priv *priv, uint32_t meter_id,
407 struct rte_mtr_params *params,
408 struct rte_mtr_error *error)
410 static enum rte_mtr_policer_action
411 valid_recol_action[RTE_COLORS] = {
412 MTR_POLICER_ACTION_COLOR_GREEN,
413 MTR_POLICER_ACTION_COLOR_YELLOW,
414 MTR_POLICER_ACTION_COLOR_RED };
417 /* Meter params must not be NULL. */
419 return -rte_mtr_error_set(error, EINVAL,
420 RTE_MTR_ERROR_TYPE_MTR_PARAMS,
421 NULL, "Meter object params null.");
422 /* Previous meter color is not supported. */
423 if (params->use_prev_mtr_color)
424 return -rte_mtr_error_set(error, ENOTSUP,
425 RTE_MTR_ERROR_TYPE_MTR_PARAMS,
427 "Previous meter color "
429 /* Validate policer settings. */
430 for (i = 0; i < RTE_COLORS; i++)
431 if (params->action[i] != valid_recol_action[i] &&
432 params->action[i] != MTR_POLICER_ACTION_DROP)
433 return -rte_mtr_error_set
435 action2error(params->action[i]), NULL,
436 "Recolor action not supported.");
437 /* Validate meter id. */
438 if (mlx5_flow_meter_find(priv, meter_id))
439 return -rte_mtr_error_set(error, EEXIST,
440 RTE_MTR_ERROR_TYPE_MTR_ID, NULL,
441 "Meter object already exists.");
446 * Modify the flow meter action.
449 * Pointer to mlx5 private data structure.
451 * Pointer to flow meter to be modified.
453 * Pointer to meter srtcm description parameter.
454 * @param[in] modify_bits
455 * The bit in srtcm to be updated.
456 * @param[in] active_state
457 * The state to be updated.
459 * 0 on success, o negative value otherwise.
462 mlx5_flow_meter_action_modify(struct mlx5_priv *priv,
463 struct mlx5_flow_meter *fm,
464 const struct mlx5_flow_meter_srtcm_rfc2697_prm *srtcm,
465 uint64_t modify_bits, uint32_t active_state)
467 #ifdef HAVE_MLX5_DR_CREATE_ACTION_FLOW_METER
468 uint32_t in[MLX5_ST_SZ_DW(flow_meter_parameters)] = { 0 };
470 struct mlx5dv_dr_flow_meter_attr mod_attr = { 0 };
473 /* Fill command parameters. */
474 mod_attr.reg_c_index = priv->mtr_color_reg - REG_C_0;
475 mod_attr.flow_meter_parameter = in;
476 mod_attr.flow_meter_parameter_sz = fm->mfts->fmp_size;
477 if (modify_bits & MLX5_FLOW_METER_OBJ_MODIFY_FIELD_ACTIVE)
478 mod_attr.active = !!active_state;
482 if (modify_bits & MLX5_FLOW_METER_OBJ_MODIFY_FIELD_CBS) {
483 MLX5_SET(flow_meter_parameters,
484 attr, cbs_exponent, srtcm->cbs_exponent);
485 MLX5_SET(flow_meter_parameters,
486 attr, cbs_mantissa, srtcm->cbs_mantissa);
488 if (modify_bits & MLX5_FLOW_METER_OBJ_MODIFY_FIELD_CIR) {
489 MLX5_SET(flow_meter_parameters,
490 attr, cir_exponent, srtcm->cir_exponent);
491 MLX5_SET(flow_meter_parameters,
492 attr, cir_mantissa, srtcm->cir_mantissa);
494 if (modify_bits & MLX5_FLOW_METER_OBJ_MODIFY_FIELD_EBS) {
495 MLX5_SET(flow_meter_parameters,
496 attr, ebs_exponent, srtcm->ebs_exponent);
497 MLX5_SET(flow_meter_parameters,
498 attr, ebs_mantissa, srtcm->ebs_mantissa);
500 /* Apply modifications to meter only if it was created. */
501 if (fm->mfts->meter_action) {
502 ret = mlx5_glue->dv_modify_flow_action_meter
503 (fm->mfts->meter_action, &mod_attr,
504 rte_cpu_to_be_64(modify_bits));
508 /* Update succeedded modify meter parameters. */
509 if (modify_bits & MLX5_FLOW_METER_OBJ_MODIFY_FIELD_ACTIVE)
510 fm->active_state = !!active_state;
511 attr = fm->mfts->fmp;
512 if (modify_bits & MLX5_FLOW_METER_OBJ_MODIFY_FIELD_CBS) {
513 MLX5_SET(flow_meter_parameters,
514 attr, cbs_exponent, srtcm->cbs_exponent);
515 MLX5_SET(flow_meter_parameters,
516 attr, cbs_mantissa, srtcm->cbs_mantissa);
518 if (modify_bits & MLX5_FLOW_METER_OBJ_MODIFY_FIELD_CIR) {
519 MLX5_SET(flow_meter_parameters,
520 attr, cir_exponent, srtcm->cir_exponent);
521 MLX5_SET(flow_meter_parameters,
522 attr, cir_mantissa, srtcm->cir_mantissa);
524 if (modify_bits & MLX5_FLOW_METER_OBJ_MODIFY_FIELD_EBS) {
525 MLX5_SET(flow_meter_parameters,
526 attr, ebs_exponent, srtcm->ebs_exponent);
527 MLX5_SET(flow_meter_parameters,
528 attr, ebs_mantissa, srtcm->ebs_mantissa);
543 * Create meter rules.
546 * Pointer to Ethernet device.
547 * @param[in] meter_id
550 * Pointer to rte meter parameters.
552 * Meter shared with other flow or not.
554 * Pointer to rte meter error structure.
557 * 0 on success, a negative errno value otherwise and rte_errno is set.
560 mlx5_flow_meter_create(struct rte_eth_dev *dev, uint32_t meter_id,
561 struct rte_mtr_params *params, int shared,
562 struct rte_mtr_error *error)
564 struct mlx5_priv *priv = dev->data->dev_private;
565 struct mlx5_flow_meters *fms = &priv->flow_meters;
566 struct mlx5_flow_meter_profile *fmp;
567 struct mlx5_flow_meter *fm;
568 const struct rte_flow_attr attr = {
571 .transfer = priv->config.dv_esw_en ? 1 : 0,
577 return -rte_mtr_error_set(error, ENOTSUP,
578 RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
579 "Meter is not support");
580 /* Validate the parameters. */
581 ret = mlx5_flow_meter_validate(priv, meter_id, params, error);
584 /* Meter profile must exist. */
585 fmp = mlx5_flow_meter_profile_find(priv, params->meter_profile_id);
587 return -rte_mtr_error_set(error, ENOENT,
588 RTE_MTR_ERROR_TYPE_METER_PROFILE_ID,
589 NULL, "Meter profile id not valid.");
590 /* Allocate the flow meter memory. */
591 fm = rte_calloc(__func__, 1,
592 sizeof(struct mlx5_flow_meter), RTE_CACHE_LINE_SIZE);
594 return -rte_mtr_error_set(error, ENOMEM,
595 RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
596 "Memory alloc failed for meter.");
597 /* Fill the flow meter parameters. */
598 fm->meter_id = meter_id;
600 fm->params = *params;
601 /* Alloc policer counters. */
602 for (i = 0; i < RTE_DIM(fm->policer_stats.cnt); i++) {
603 fm->policer_stats.cnt[i] = mlx5_counter_alloc(dev);
604 if (!fm->policer_stats.cnt[i])
607 fm->mfts = mlx5_flow_create_mtr_tbls(dev, fm);
610 ret = mlx5_flow_create_policer_rules(dev, fm, &attr);
613 /* Add to the flow meter list. */
614 TAILQ_INSERT_TAIL(fms, fm, next);
615 fm->active_state = 1; /* Config meter starts as active. */
616 fm->shared = !!shared;
617 fm->profile->ref_cnt++;
620 mlx5_flow_destroy_policer_rules(dev, fm, &attr);
621 mlx5_flow_destroy_mtr_tbls(dev, fm->mfts);
622 /* Free policer counters. */
623 for (i = 0; i < RTE_DIM(fm->policer_stats.cnt); i++)
624 if (fm->policer_stats.cnt[i])
625 mlx5_counter_free(dev, fm->policer_stats.cnt[i]);
627 return -rte_mtr_error_set(error, -ret,
628 RTE_MTR_ERROR_TYPE_UNSPECIFIED,
629 NULL, "Failed to create devx meter.");
633 * Destroy meter rules.
636 * Pointer to Ethernet device.
637 * @param[in] meter_id
640 * Pointer to rte meter error structure.
643 * 0 on success, a negative errno value otherwise and rte_errno is set.
646 mlx5_flow_meter_destroy(struct rte_eth_dev *dev, uint32_t meter_id,
647 struct rte_mtr_error *error)
649 struct mlx5_priv *priv = dev->data->dev_private;
650 struct mlx5_flow_meters *fms = &priv->flow_meters;
651 struct mlx5_flow_meter_profile *fmp;
652 struct mlx5_flow_meter *fm;
653 const struct rte_flow_attr attr = {
656 .transfer = priv->config.dv_esw_en ? 1 : 0,
661 return -rte_mtr_error_set(error, ENOTSUP,
662 RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
663 "Meter is not support");
664 /* Meter object must exist. */
665 fm = mlx5_flow_meter_find(priv, meter_id);
667 return -rte_mtr_error_set(error, ENOENT,
668 RTE_MTR_ERROR_TYPE_MTR_ID,
669 NULL, "Meter object id not valid.");
670 /* Meter object must not have any owner. */
672 return -rte_mtr_error_set(error, EBUSY,
673 RTE_MTR_ERROR_TYPE_UNSPECIFIED,
674 NULL, "Meter object is being used.");
675 /* Get the meter profile. */
678 /* Update dependencies. */
680 /* Remove from the flow meter list. */
681 TAILQ_REMOVE(fms, fm, next);
682 /* Free policer counters. */
683 for (i = 0; i < RTE_DIM(fm->policer_stats.cnt); i++)
684 if (fm->policer_stats.cnt[i])
685 mlx5_counter_free(dev, fm->policer_stats.cnt[i]);
686 /* Free meter flow table */
687 mlx5_flow_destroy_policer_rules(dev, fm, &attr);
688 mlx5_flow_destroy_mtr_tbls(dev, fm->mfts);
694 * Modify meter state.
697 * Pointer to mlx5 private data structure.
699 * Pointer to flow meter.
700 * @param[in] new_state
701 * New state to update.
703 * Pointer to rte meter error structure.
706 * 0 on success, a negative errno value otherwise and rte_errno is set.
709 mlx5_flow_meter_modify_state(struct mlx5_priv *priv,
710 struct mlx5_flow_meter *fm,
712 struct rte_mtr_error *error)
714 static const struct mlx5_flow_meter_srtcm_rfc2697_prm srtcm = {
722 uint64_t modify_bits = MLX5_FLOW_METER_OBJ_MODIFY_FIELD_CBS |
723 MLX5_FLOW_METER_OBJ_MODIFY_FIELD_CIR;
726 if (new_state == MLX5_FLOW_METER_DISABLE)
727 ret = mlx5_flow_meter_action_modify(priv, fm, &srtcm,
730 ret = mlx5_flow_meter_action_modify(priv, fm,
731 &fm->profile->srtcm_prm,
734 return -rte_mtr_error_set(error, -ret,
735 RTE_MTR_ERROR_TYPE_MTR_PARAMS,
738 "Failed to enable meter." :
739 "Failed to disable meter.");
744 * Callback to enable flow meter.
747 * Pointer to Ethernet device.
748 * @param[in] meter_id
751 * Pointer to rte meter error structure.
754 * 0 on success, a negative errno value otherwise and rte_errno is set.
757 mlx5_flow_meter_enable(struct rte_eth_dev *dev,
759 struct rte_mtr_error *error)
761 struct mlx5_priv *priv = dev->data->dev_private;
762 struct mlx5_flow_meter *fm;
766 return -rte_mtr_error_set(error, ENOTSUP,
767 RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
768 "Meter is not support");
769 /* Meter object must exist. */
770 fm = mlx5_flow_meter_find(priv, meter_id);
772 return -rte_mtr_error_set(error, ENOENT,
773 RTE_MTR_ERROR_TYPE_MTR_ID,
774 NULL, "Meter not found.");
775 if (fm->active_state == MLX5_FLOW_METER_ENABLE)
777 ret = mlx5_flow_meter_modify_state(priv, fm, MLX5_FLOW_METER_ENABLE,
780 fm->active_state = MLX5_FLOW_METER_ENABLE;
785 * Callback to disable flow meter.
788 * Pointer to Ethernet device.
789 * @param[in] meter_id
792 * Pointer to rte meter error structure.
795 * 0 on success, a negative errno value otherwise and rte_errno is set.
798 mlx5_flow_meter_disable(struct rte_eth_dev *dev,
800 struct rte_mtr_error *error)
802 struct mlx5_priv *priv = dev->data->dev_private;
803 struct mlx5_flow_meter *fm;
807 return -rte_mtr_error_set(error, ENOTSUP,
808 RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
809 "Meter is not support");
810 /* Meter object must exist. */
811 fm = mlx5_flow_meter_find(priv, meter_id);
813 return -rte_mtr_error_set(error, ENOENT,
814 RTE_MTR_ERROR_TYPE_MTR_ID,
815 NULL, "Meter not found.");
816 if (fm->active_state == MLX5_FLOW_METER_DISABLE)
818 ret = mlx5_flow_meter_modify_state(priv, fm, MLX5_FLOW_METER_DISABLE,
821 fm->active_state = MLX5_FLOW_METER_DISABLE;
826 * Callback to update meter profile.
829 * Pointer to Ethernet device.
830 * @param[in] meter_id
832 * @param[in] meter_profile_id
833 * To be updated meter profile id.
835 * Pointer to rte meter error structure.
838 * 0 on success, a negative errno value otherwise and rte_errno is set.
841 mlx5_flow_meter_profile_update(struct rte_eth_dev *dev,
843 uint32_t meter_profile_id,
844 struct rte_mtr_error *error)
846 struct mlx5_priv *priv = dev->data->dev_private;
847 struct mlx5_flow_meter_profile *fmp;
848 struct mlx5_flow_meter_profile *old_fmp;
849 struct mlx5_flow_meter *fm;
850 uint64_t modify_bits = MLX5_FLOW_METER_OBJ_MODIFY_FIELD_CBS |
851 MLX5_FLOW_METER_OBJ_MODIFY_FIELD_CIR;
855 return -rte_mtr_error_set(error, ENOTSUP,
856 RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
857 "Meter is not support");
858 /* Meter profile must exist. */
859 fmp = mlx5_flow_meter_profile_find(priv, meter_profile_id);
861 return -rte_mtr_error_set(error, ENOENT,
862 RTE_MTR_ERROR_TYPE_METER_PROFILE_ID,
863 NULL, "Meter profile not found.");
864 /* Meter object must exist. */
865 fm = mlx5_flow_meter_find(priv, meter_id);
867 return -rte_mtr_error_set(error, ENOENT,
868 RTE_MTR_ERROR_TYPE_MTR_ID,
869 NULL, "Meter not found.");
870 /* MTR object already set to meter profile id. */
871 old_fmp = fm->profile;
874 /* Update the profile. */
876 /* Update meter params in HW (if not disabled). */
877 if (fm->active_state == MLX5_FLOW_METER_DISABLE)
879 ret = mlx5_flow_meter_action_modify(priv, fm, &fm->profile->srtcm_prm,
880 modify_bits, fm->active_state);
882 fm->profile = old_fmp;
883 return -rte_mtr_error_set(error, -ret,
884 RTE_MTR_ERROR_TYPE_MTR_PARAMS,
885 NULL, "Failed to update meter"
886 " parmeters in hardware.");
893 static const struct rte_mtr_ops mlx5_flow_mtr_ops = {
894 .capabilities_get = mlx5_flow_mtr_cap_get,
895 .meter_profile_add = mlx5_flow_meter_profile_add,
896 .meter_profile_delete = mlx5_flow_meter_profile_delete,
897 .create = mlx5_flow_meter_create,
898 .destroy = mlx5_flow_meter_destroy,
899 .meter_enable = mlx5_flow_meter_enable,
900 .meter_disable = mlx5_flow_meter_disable,
901 .meter_profile_update = mlx5_flow_meter_profile_update,
902 .meter_dscp_table_update = NULL,
903 .policer_actions_update = NULL,
904 .stats_update = NULL,
909 * Get meter operations.
912 * Pointer to Ethernet device structure.
914 * Pointer to set the mtr operations.
920 mlx5_flow_meter_ops_get(struct rte_eth_dev *dev __rte_unused, void *arg)
922 *(const struct rte_mtr_ops **)arg = &mlx5_flow_mtr_ops;
930 * Pointer to mlx5_priv.
935 * Pointer to the profile found on success, NULL otherwise.
937 struct mlx5_flow_meter *
938 mlx5_flow_meter_find(struct mlx5_priv *priv, uint32_t meter_id)
940 struct mlx5_flow_meters *fms = &priv->flow_meters;
941 struct mlx5_flow_meter *fm;
943 TAILQ_FOREACH(fm, fms, next)
944 if (meter_id == fm->meter_id)