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,
576 return -rte_mtr_error_set(error, ENOTSUP,
577 RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
578 "Meter is not support");
579 /* Validate the parameters. */
580 ret = mlx5_flow_meter_validate(priv, meter_id, params, error);
583 /* Meter profile must exist. */
584 fmp = mlx5_flow_meter_profile_find(priv, params->meter_profile_id);
586 return -rte_mtr_error_set(error, ENOENT,
587 RTE_MTR_ERROR_TYPE_METER_PROFILE_ID,
588 NULL, "Meter profile id not valid.");
589 /* Allocate the flow meter memory. */
590 fm = rte_calloc(__func__, 1,
591 sizeof(struct mlx5_flow_meter), RTE_CACHE_LINE_SIZE);
593 return -rte_mtr_error_set(error, ENOMEM,
594 RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
595 "Memory alloc failed for meter.");
596 /* Fill the flow meter parameters. */
597 fm->meter_id = meter_id;
599 fm->params = *params;
600 fm->mfts = mlx5_flow_create_mtr_tbls(dev);
603 ret = mlx5_flow_create_policer_rules(dev, fm, &attr);
606 /* Add to the flow meter list. */
607 TAILQ_INSERT_TAIL(fms, fm, next);
608 fm->active_state = 1; /* Config meter starts as active. */
609 fm->shared = !!shared;
610 fm->profile->ref_cnt++;
613 mlx5_flow_destroy_policer_rules(dev, fm, &attr);
614 mlx5_flow_destroy_mtr_tbls(dev, fm->mfts);
616 return -rte_mtr_error_set(error, -ret,
617 RTE_MTR_ERROR_TYPE_UNSPECIFIED,
618 NULL, "Failed to create devx meter.");
622 * Destroy meter rules.
625 * Pointer to Ethernet device.
626 * @param[in] meter_id
629 * Pointer to rte meter error structure.
632 * 0 on success, a negative errno value otherwise and rte_errno is set.
635 mlx5_flow_meter_destroy(struct rte_eth_dev *dev, uint32_t meter_id,
636 struct rte_mtr_error *error)
638 struct mlx5_priv *priv = dev->data->dev_private;
639 struct mlx5_flow_meters *fms = &priv->flow_meters;
640 struct mlx5_flow_meter_profile *fmp;
641 struct mlx5_flow_meter *fm;
642 const struct rte_flow_attr attr = {
645 .transfer = priv->config.dv_esw_en ? 1 : 0,
649 return -rte_mtr_error_set(error, ENOTSUP,
650 RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
651 "Meter is not support");
652 /* Meter object must exist. */
653 fm = mlx5_flow_meter_find(priv, meter_id);
655 return -rte_mtr_error_set(error, ENOENT,
656 RTE_MTR_ERROR_TYPE_MTR_ID,
657 NULL, "Meter object id not valid.");
658 /* Meter object must not have any owner. */
660 return -rte_mtr_error_set(error, EBUSY,
661 RTE_MTR_ERROR_TYPE_UNSPECIFIED,
662 NULL, "Meter object is being used.");
663 /* Get the meter profile. */
666 /* Update dependencies. */
668 /* Remove from the flow meter list. */
669 TAILQ_REMOVE(fms, fm, next);
670 /* Free meter flow table */
671 mlx5_flow_destroy_policer_rules(dev, fm, &attr);
672 mlx5_flow_destroy_mtr_tbls(dev, fm->mfts);
678 * Modify meter state.
681 * Pointer to mlx5 private data structure.
683 * Pointer to flow meter.
684 * @param[in] new_state
685 * New state to update.
687 * Pointer to rte meter error structure.
690 * 0 on success, a negative errno value otherwise and rte_errno is set.
693 mlx5_flow_meter_modify_state(struct mlx5_priv *priv,
694 struct mlx5_flow_meter *fm,
696 struct rte_mtr_error *error)
698 static const struct mlx5_flow_meter_srtcm_rfc2697_prm srtcm = {
706 uint64_t modify_bits = MLX5_FLOW_METER_OBJ_MODIFY_FIELD_CBS |
707 MLX5_FLOW_METER_OBJ_MODIFY_FIELD_CIR;
710 if (new_state == MLX5_FLOW_METER_DISABLE)
711 ret = mlx5_flow_meter_action_modify(priv, fm, &srtcm,
714 ret = mlx5_flow_meter_action_modify(priv, fm,
715 &fm->profile->srtcm_prm,
718 return -rte_mtr_error_set(error, -ret,
719 RTE_MTR_ERROR_TYPE_MTR_PARAMS,
722 "Failed to enable meter." :
723 "Failed to disable meter.");
728 * Callback to enable flow meter.
731 * Pointer to Ethernet device.
732 * @param[in] meter_id
735 * Pointer to rte meter error structure.
738 * 0 on success, a negative errno value otherwise and rte_errno is set.
741 mlx5_flow_meter_enable(struct rte_eth_dev *dev,
743 struct rte_mtr_error *error)
745 struct mlx5_priv *priv = dev->data->dev_private;
746 struct mlx5_flow_meter *fm;
750 return -rte_mtr_error_set(error, ENOTSUP,
751 RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
752 "Meter is not support");
753 /* Meter object must exist. */
754 fm = mlx5_flow_meter_find(priv, meter_id);
756 return -rte_mtr_error_set(error, ENOENT,
757 RTE_MTR_ERROR_TYPE_MTR_ID,
758 NULL, "Meter not found.");
759 if (fm->active_state == MLX5_FLOW_METER_ENABLE)
761 ret = mlx5_flow_meter_modify_state(priv, fm, MLX5_FLOW_METER_ENABLE,
764 fm->active_state = MLX5_FLOW_METER_ENABLE;
769 * Callback to disable flow meter.
772 * Pointer to Ethernet device.
773 * @param[in] meter_id
776 * Pointer to rte meter error structure.
779 * 0 on success, a negative errno value otherwise and rte_errno is set.
782 mlx5_flow_meter_disable(struct rte_eth_dev *dev,
784 struct rte_mtr_error *error)
786 struct mlx5_priv *priv = dev->data->dev_private;
787 struct mlx5_flow_meter *fm;
791 return -rte_mtr_error_set(error, ENOTSUP,
792 RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
793 "Meter is not support");
794 /* Meter object must exist. */
795 fm = mlx5_flow_meter_find(priv, meter_id);
797 return -rte_mtr_error_set(error, ENOENT,
798 RTE_MTR_ERROR_TYPE_MTR_ID,
799 NULL, "Meter not found.");
800 if (fm->active_state == MLX5_FLOW_METER_DISABLE)
802 ret = mlx5_flow_meter_modify_state(priv, fm, MLX5_FLOW_METER_DISABLE,
805 fm->active_state = MLX5_FLOW_METER_DISABLE;
810 * Callback to update meter profile.
813 * Pointer to Ethernet device.
814 * @param[in] meter_id
816 * @param[in] meter_profile_id
817 * To be updated meter profile id.
819 * Pointer to rte meter error structure.
822 * 0 on success, a negative errno value otherwise and rte_errno is set.
825 mlx5_flow_meter_profile_update(struct rte_eth_dev *dev,
827 uint32_t meter_profile_id,
828 struct rte_mtr_error *error)
830 struct mlx5_priv *priv = dev->data->dev_private;
831 struct mlx5_flow_meter_profile *fmp;
832 struct mlx5_flow_meter_profile *old_fmp;
833 struct mlx5_flow_meter *fm;
834 uint64_t modify_bits = MLX5_FLOW_METER_OBJ_MODIFY_FIELD_CBS |
835 MLX5_FLOW_METER_OBJ_MODIFY_FIELD_CIR;
839 return -rte_mtr_error_set(error, ENOTSUP,
840 RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
841 "Meter is not support");
842 /* Meter profile must exist. */
843 fmp = mlx5_flow_meter_profile_find(priv, meter_profile_id);
845 return -rte_mtr_error_set(error, ENOENT,
846 RTE_MTR_ERROR_TYPE_METER_PROFILE_ID,
847 NULL, "Meter profile not found.");
848 /* Meter object must exist. */
849 fm = mlx5_flow_meter_find(priv, meter_id);
851 return -rte_mtr_error_set(error, ENOENT,
852 RTE_MTR_ERROR_TYPE_MTR_ID,
853 NULL, "Meter not found.");
854 /* MTR object already set to meter profile id. */
855 old_fmp = fm->profile;
858 /* Update the profile. */
860 /* Update meter params in HW (if not disabled). */
861 if (fm->active_state == MLX5_FLOW_METER_DISABLE)
863 ret = mlx5_flow_meter_action_modify(priv, fm, &fm->profile->srtcm_prm,
864 modify_bits, fm->active_state);
866 fm->profile = old_fmp;
867 return -rte_mtr_error_set(error, -ret,
868 RTE_MTR_ERROR_TYPE_MTR_PARAMS,
869 NULL, "Failed to update meter"
870 " parmeters in hardware.");
877 static const struct rte_mtr_ops mlx5_flow_mtr_ops = {
878 .capabilities_get = mlx5_flow_mtr_cap_get,
879 .meter_profile_add = mlx5_flow_meter_profile_add,
880 .meter_profile_delete = mlx5_flow_meter_profile_delete,
881 .create = mlx5_flow_meter_create,
882 .destroy = mlx5_flow_meter_destroy,
883 .meter_enable = mlx5_flow_meter_enable,
884 .meter_disable = mlx5_flow_meter_disable,
885 .meter_profile_update = mlx5_flow_meter_profile_update,
886 .meter_dscp_table_update = NULL,
887 .policer_actions_update = NULL,
888 .stats_update = NULL,
893 * Get meter operations.
896 * Pointer to Ethernet device structure.
898 * Pointer to set the mtr operations.
904 mlx5_flow_meter_ops_get(struct rte_eth_dev *dev __rte_unused, void *arg)
906 *(const struct rte_mtr_ops **)arg = &mlx5_flow_mtr_ops;
914 * Pointer to mlx5_priv.
919 * Pointer to the profile found on success, NULL otherwise.
921 struct mlx5_flow_meter *
922 mlx5_flow_meter_find(struct mlx5_priv *priv, uint32_t meter_id)
924 struct mlx5_flow_meters *fms = &priv->flow_meters;
925 struct mlx5_flow_meter *fm;
927 TAILQ_FOREACH(fm, fms, next)
928 if (meter_id == fm->meter_id)