2019-11-08 03:49:07 +00:00
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// SPDX-License-Identifier: BSD-3-Clause
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/*
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* Copyright 2018 Mellanox Technologies, Ltd
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*/
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#include <math.h>
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2019-11-08 03:49:25 +00:00
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#include <rte_tailq.h>
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2019-11-08 03:49:10 +00:00
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#include <rte_malloc.h>
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2019-11-08 03:49:07 +00:00
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#include <rte_mtr.h>
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#include <rte_mtr_driver.h>
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2020-01-29 12:38:27 +00:00
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#include <mlx5_devx_cmds.h>
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2019-11-08 03:49:07 +00:00
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#include "mlx5.h"
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2019-11-08 03:49:08 +00:00
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#include "mlx5_flow.h"
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2019-11-08 03:49:21 +00:00
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/**
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* Create the meter action.
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*
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* @param priv
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* Pointer to mlx5_priv.
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* @param[in] fm
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* Pointer to flow meter to be converted.
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*
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* @return
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* Pointer to the meter action on success, NULL otherwise.
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*/
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static void *
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mlx5_flow_meter_action_create(struct mlx5_priv *priv,
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struct mlx5_flow_meter *fm)
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{
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#ifdef HAVE_MLX5_DR_CREATE_ACTION_FLOW_METER
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struct mlx5dv_dr_flow_meter_attr mtr_init;
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void *attr = fm->mfts->fmp;
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struct mlx5_flow_meter_srtcm_rfc2697_prm *srtcm =
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&fm->profile->srtcm_prm;
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fm->mfts->fmp_size = MLX5_ST_SZ_BYTES(flow_meter_parameters);
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memset(attr, 0, fm->mfts->fmp_size);
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MLX5_SET(flow_meter_parameters, attr, valid, 1);
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MLX5_SET(flow_meter_parameters, attr, bucket_overflow, 1);
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MLX5_SET(flow_meter_parameters, attr,
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start_color, MLX5_FLOW_COLOR_GREEN);
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MLX5_SET(flow_meter_parameters, attr, both_buckets_on_green, 0);
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MLX5_SET(flow_meter_parameters,
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attr, cbs_exponent, srtcm->cbs_exponent);
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MLX5_SET(flow_meter_parameters,
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attr, cbs_mantissa, srtcm->cbs_mantissa);
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MLX5_SET(flow_meter_parameters,
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attr, cir_exponent, srtcm->cir_exponent);
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MLX5_SET(flow_meter_parameters,
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attr, cir_mantissa, srtcm->cir_mantissa);
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MLX5_SET(flow_meter_parameters,
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attr, ebs_exponent, srtcm->ebs_exponent);
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MLX5_SET(flow_meter_parameters,
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attr, ebs_mantissa, srtcm->ebs_mantissa);
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mtr_init.next_table =
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fm->attr.transfer ? fm->mfts->transfer.tbl->obj :
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fm->attr.egress ? fm->mfts->egress.tbl->obj :
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fm->mfts->ingress.tbl->obj;
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mtr_init.reg_c_index = priv->mtr_color_reg - REG_C_0;
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mtr_init.flow_meter_parameter = fm->mfts->fmp;
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mtr_init.flow_meter_parameter_sz = fm->mfts->fmp_size;
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mtr_init.active = fm->active_state;
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return mlx5_glue->dv_create_flow_action_meter(&mtr_init);
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#else
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(void)priv;
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(void)fm;
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return NULL;
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#endif
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}
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2019-11-08 03:49:10 +00:00
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/**
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* Find meter profile by id.
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*
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* @param priv
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* Pointer to mlx5_priv.
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* @param meter_profile_id
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* Meter profile id.
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*
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* @return
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* Pointer to the profile found on success, NULL otherwise.
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*/
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static struct mlx5_flow_meter_profile *
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mlx5_flow_meter_profile_find(struct mlx5_priv *priv, uint32_t meter_profile_id)
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{
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struct mlx5_mtr_profiles *fmps = &priv->flow_meter_profiles;
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struct mlx5_flow_meter_profile *fmp;
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TAILQ_FOREACH(fmp, fmps, next)
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if (meter_profile_id == fmp->meter_profile_id)
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return fmp;
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return NULL;
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}
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2019-11-08 03:49:11 +00:00
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/**
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* Validate the MTR profile.
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*
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* @param[in] dev
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* Pointer to Ethernet device.
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* @param[in] meter_profile_id
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* Meter profile id.
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* @param[in] profile
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* Pointer to meter profile detail.
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* @param[out] error
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* Pointer to the error structure.
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*
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* @return
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* 0 on success, a negative errno value otherwise and rte_errno is set.
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*/
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static int
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mlx5_flow_meter_profile_validate(struct rte_eth_dev *dev,
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uint32_t meter_profile_id,
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struct rte_mtr_meter_profile *profile,
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struct rte_mtr_error *error)
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{
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struct mlx5_priv *priv = dev->data->dev_private;
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struct mlx5_flow_meter_profile *fmp;
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/* Profile must not be NULL. */
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if (profile == NULL)
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return -rte_mtr_error_set(error, EINVAL,
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RTE_MTR_ERROR_TYPE_METER_PROFILE,
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NULL, "Meter profile is null.");
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/* Meter profile ID must be valid. */
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if (meter_profile_id == UINT32_MAX)
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return -rte_mtr_error_set(error, EINVAL,
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RTE_MTR_ERROR_TYPE_METER_PROFILE_ID,
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NULL, "Meter profile id not valid.");
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/* Meter profile must not exist. */
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fmp = mlx5_flow_meter_profile_find(priv, meter_profile_id);
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if (fmp)
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return -rte_mtr_error_set(error, EEXIST,
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RTE_MTR_ERROR_TYPE_METER_PROFILE_ID,
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NULL,
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"Meter profile already exists.");
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if (profile->alg == RTE_MTR_SRTCM_RFC2697) {
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if (priv->config.hca_attr.qos.srtcm_sup) {
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/* Verify support for flow meter parameters. */
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if (profile->srtcm_rfc2697.cir > 0 &&
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profile->srtcm_rfc2697.cir <= MLX5_SRTCM_CIR_MAX &&
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profile->srtcm_rfc2697.cbs > 0 &&
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profile->srtcm_rfc2697.cbs <= MLX5_SRTCM_CBS_MAX &&
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profile->srtcm_rfc2697.ebs <= MLX5_SRTCM_EBS_MAX)
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return 0;
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else
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return -rte_mtr_error_set
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(error, ENOTSUP,
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RTE_MTR_ERROR_TYPE_MTR_PARAMS,
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NULL,
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profile->srtcm_rfc2697.ebs ?
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"Metering value ebs must be 0." :
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"Invalid metering parameters.");
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}
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}
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return -rte_mtr_error_set(error, ENOTSUP,
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RTE_MTR_ERROR_TYPE_METER_PROFILE,
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NULL, "Metering algorithm not supported.");
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}
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2019-11-08 03:49:10 +00:00
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/**
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* Calculate mantissa and exponent for cir.
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*
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* @param[in] cir
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* Value to be calculated.
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* @param[out] man
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* Pointer to the mantissa.
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* @param[out] exp
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* Pointer to the exp.
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*/
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static void
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mlx5_flow_meter_cir_man_exp_calc(int64_t cir, uint8_t *man, uint8_t *exp)
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{
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int64_t _cir;
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int64_t delta = INT64_MAX;
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uint8_t _man = 0;
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uint8_t _exp = 0;
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uint64_t m, e;
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for (m = 0; m <= 0xFF; m++) { /* man width 8 bit */
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for (e = 0; e <= 0x1F; e++) { /* exp width 5bit */
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_cir = (1000000000ULL * m) >> e;
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if (llabs(cir - _cir) <= delta) {
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delta = llabs(cir - _cir);
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_man = m;
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_exp = e;
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}
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}
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}
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*man = _man;
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*exp = _exp;
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}
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/**
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* Calculate mantissa and exponent for xbs.
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*
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* @param[in] xbs
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* Value to be calculated.
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* @param[out] man
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* Pointer to the mantissa.
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* @param[out] exp
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* Pointer to the exp.
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*/
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static void
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mlx5_flow_meter_xbs_man_exp_calc(uint64_t xbs, uint8_t *man, uint8_t *exp)
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{
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int _exp;
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double _man;
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/* Special case xbs == 0 ? both exp and matissa are 0. */
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if (xbs == 0) {
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*man = 0;
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*exp = 0;
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return;
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}
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/* xbs = xbs_mantissa * 2^xbs_exponent */
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_man = frexp(xbs, &_exp);
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_man = _man * pow(2, MLX5_MAN_WIDTH);
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_exp = _exp - MLX5_MAN_WIDTH;
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*man = (uint8_t)ceil(_man);
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*exp = _exp;
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}
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/**
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* Fill the prm meter parameter.
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*
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* @param[in,out] fmp
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* Pointer to meter profie to be converted.
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* @param[out] error
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* Pointer to the error structure.
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*
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* @return
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* 0 on success, a negative errno value otherwise and rte_errno is set.
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*/
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static int
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mlx5_flow_meter_param_fill(struct mlx5_flow_meter_profile *fmp,
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struct rte_mtr_error *error)
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{
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struct mlx5_flow_meter_srtcm_rfc2697_prm *srtcm = &fmp->srtcm_prm;
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uint8_t man, exp;
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if (fmp->profile.alg != RTE_MTR_SRTCM_RFC2697)
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return -rte_mtr_error_set(error, ENOTSUP,
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RTE_MTR_ERROR_TYPE_METER_PROFILE,
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NULL, "Metering algorithm not supported.");
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/* cbs = cbs_mantissa * 2^cbs_exponent */
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mlx5_flow_meter_xbs_man_exp_calc(fmp->profile.srtcm_rfc2697.cbs,
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&man, &exp);
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srtcm->cbs_mantissa = man;
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srtcm->cbs_exponent = exp;
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/* Check if cbs mantissa is too large. */
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if (srtcm->cbs_exponent != exp)
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return -rte_mtr_error_set(error, EINVAL,
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RTE_MTR_ERROR_TYPE_MTR_PARAMS, NULL,
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"Metering profile parameter cbs is"
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" invalid.");
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/* ebs = ebs_mantissa * 2^ebs_exponent */
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mlx5_flow_meter_xbs_man_exp_calc(fmp->profile.srtcm_rfc2697.ebs,
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&man, &exp);
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srtcm->ebs_mantissa = man;
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srtcm->ebs_exponent = exp;
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/* Check if ebs mantissa is too large. */
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if (srtcm->ebs_exponent != exp)
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return -rte_mtr_error_set(error, EINVAL,
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RTE_MTR_ERROR_TYPE_MTR_PARAMS, NULL,
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"Metering profile parameter ebs is"
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" invalid.");
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/* cir = 8G * cir_mantissa * 1/(2^cir_exponent)) Bytes/Sec */
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mlx5_flow_meter_cir_man_exp_calc(fmp->profile.srtcm_rfc2697.cir,
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&man, &exp);
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srtcm->cir_mantissa = man;
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srtcm->cir_exponent = exp;
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/* Check if cir mantissa is too large. */
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if (srtcm->cir_exponent != exp)
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return -rte_mtr_error_set(error, EINVAL,
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RTE_MTR_ERROR_TYPE_MTR_PARAMS, NULL,
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"Metering profile parameter cir is"
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" invalid.");
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return 0;
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}
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2019-11-08 03:49:08 +00:00
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/**
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* Callback to get MTR capabilities.
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*
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* @param[in] dev
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* Pointer to Ethernet device.
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* @param[out] cap
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* Pointer to save MTR capabilities.
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* @param[out] error
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* Pointer to the error structure.
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*
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* @return
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* 0 on success, a negative errno value otherwise and rte_errno is set.
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*/
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static int
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mlx5_flow_mtr_cap_get(struct rte_eth_dev *dev,
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struct rte_mtr_capabilities *cap,
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struct rte_mtr_error *error __rte_unused)
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{
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struct mlx5_priv *priv = dev->data->dev_private;
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struct mlx5_hca_qos_attr *qattr = &priv->config.hca_attr.qos;
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if (!priv->mtr_en)
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return -rte_mtr_error_set(error, ENOTSUP,
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RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
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"Meter is not support");
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memset(cap, 0, sizeof(*cap));
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cap->n_max = 1 << qattr->log_max_flow_meter;
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cap->n_shared_max = cap->n_max;
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cap->identical = 1;
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cap->shared_identical = 1;
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cap->shared_n_flows_per_mtr_max = 4 << 20;
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/* 2M flows can share the same meter. */
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cap->chaining_n_mtrs_per_flow_max = 1; /* Chaining is not supported. */
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cap->meter_srtcm_rfc2697_n_max = qattr->srtcm_sup ? cap->n_max : 0;
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cap->meter_rate_max = 1ULL << 40; /* 1 Tera tokens per sec. */
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cap->policer_action_drop_supported = 1;
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cap->stats_mask = RTE_MTR_STATS_N_BYTES_DROPPED |
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RTE_MTR_STATS_N_PKTS_DROPPED;
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return 0;
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}
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2019-11-08 03:49:07 +00:00
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2019-11-08 03:49:10 +00:00
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/**
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* Callback to add MTR profile.
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*
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* @param[in] dev
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* Pointer to Ethernet device.
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* @param[in] meter_profile_id
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* Meter profile id.
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* @param[in] profile
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* Pointer to meter profile detail.
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* @param[out] error
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* Pointer to the error structure.
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*
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|
|
|
* @return
|
|
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
mlx5_flow_meter_profile_add(struct rte_eth_dev *dev,
|
|
|
|
uint32_t meter_profile_id,
|
|
|
|
struct rte_mtr_meter_profile *profile,
|
|
|
|
struct rte_mtr_error *error)
|
|
|
|
{
|
|
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
|
|
struct mlx5_mtr_profiles *fmps = &priv->flow_meter_profiles;
|
|
|
|
struct mlx5_flow_meter_profile *fmp;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
if (!priv->mtr_en)
|
|
|
|
return -rte_mtr_error_set(error, ENOTSUP,
|
|
|
|
RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
|
|
"Meter is not support");
|
2019-11-08 03:49:11 +00:00
|
|
|
/* Check input params. */
|
|
|
|
ret = mlx5_flow_meter_profile_validate(dev, meter_profile_id,
|
|
|
|
profile, error);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
2019-11-08 03:49:10 +00:00
|
|
|
/* Meter profile memory allocation. */
|
|
|
|
fmp = rte_calloc(__func__, 1, sizeof(struct mlx5_flow_meter_profile),
|
|
|
|
RTE_CACHE_LINE_SIZE);
|
|
|
|
if (fmp == NULL)
|
|
|
|
return -rte_mtr_error_set(error, ENOMEM,
|
|
|
|
RTE_MTR_ERROR_TYPE_UNSPECIFIED,
|
|
|
|
NULL, "Meter profile memory "
|
|
|
|
"alloc failed.");
|
|
|
|
/* Fill profile info. */
|
|
|
|
fmp->meter_profile_id = meter_profile_id;
|
|
|
|
fmp->profile = *profile;
|
|
|
|
/* Fill the flow meter parameters for the PRM. */
|
|
|
|
ret = mlx5_flow_meter_param_fill(fmp, error);
|
|
|
|
if (ret)
|
|
|
|
goto error;
|
|
|
|
/* Add to list. */
|
|
|
|
TAILQ_INSERT_TAIL(fmps, fmp, next);
|
|
|
|
return 0;
|
|
|
|
error:
|
|
|
|
rte_free(fmp);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to delete MTR profile.
|
|
|
|
*
|
|
|
|
* @param[in] dev
|
|
|
|
* Pointer to Ethernet device.
|
|
|
|
* @param[in] meter_profile_id
|
|
|
|
* Meter profile id.
|
|
|
|
* @param[out] error
|
|
|
|
* Pointer to the error structure.
|
|
|
|
*
|
|
|
|
* @return
|
|
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
mlx5_flow_meter_profile_delete(struct rte_eth_dev *dev,
|
|
|
|
uint32_t meter_profile_id,
|
|
|
|
struct rte_mtr_error *error)
|
|
|
|
{
|
|
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
|
|
struct mlx5_flow_meter_profile *fmp;
|
|
|
|
|
|
|
|
if (!priv->mtr_en)
|
|
|
|
return -rte_mtr_error_set(error, ENOTSUP,
|
|
|
|
RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
|
|
"Meter is not support");
|
|
|
|
/* Meter profile must exist. */
|
|
|
|
fmp = mlx5_flow_meter_profile_find(priv, meter_profile_id);
|
|
|
|
if (fmp == NULL)
|
|
|
|
return -rte_mtr_error_set(error, ENOENT,
|
|
|
|
RTE_MTR_ERROR_TYPE_METER_PROFILE_ID,
|
|
|
|
&meter_profile_id,
|
|
|
|
"Meter profile id invalid.");
|
|
|
|
/* Check profile is unused. */
|
|
|
|
if (fmp->ref_cnt)
|
|
|
|
return -rte_mtr_error_set(error, EBUSY,
|
|
|
|
RTE_MTR_ERROR_TYPE_METER_PROFILE_ID,
|
|
|
|
NULL, "Meter profile in use.");
|
|
|
|
/* Remove from list. */
|
|
|
|
TAILQ_REMOVE(&priv->flow_meter_profiles, fmp, next);
|
|
|
|
rte_free(fmp);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2019-11-08 03:49:14 +00:00
|
|
|
/**
|
|
|
|
* Convert wrong color setting action to verbose error.
|
|
|
|
*
|
|
|
|
* @param[in] action
|
|
|
|
* Policy color action.
|
|
|
|
*
|
|
|
|
* @return
|
|
|
|
* Verbose meter color error type.
|
|
|
|
*/
|
|
|
|
static inline enum rte_mtr_error_type
|
|
|
|
action2error(enum rte_mtr_policer_action action)
|
|
|
|
{
|
|
|
|
switch (action) {
|
|
|
|
case MTR_POLICER_ACTION_COLOR_GREEN:
|
|
|
|
return RTE_MTR_ERROR_TYPE_POLICER_ACTION_GREEN;
|
|
|
|
case MTR_POLICER_ACTION_COLOR_YELLOW:
|
|
|
|
return RTE_MTR_ERROR_TYPE_POLICER_ACTION_YELLOW;
|
|
|
|
case MTR_POLICER_ACTION_COLOR_RED:
|
|
|
|
return RTE_MTR_ERROR_TYPE_POLICER_ACTION_RED;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return RTE_MTR_ERROR_TYPE_UNSPECIFIED;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Check meter validation.
|
|
|
|
*
|
|
|
|
* @param[in] priv
|
|
|
|
* Pointer to mlx5 private data structure.
|
|
|
|
* @param[in] meter_id
|
|
|
|
* Meter id.
|
|
|
|
* @param[in] params
|
|
|
|
* Pointer to rte meter parameters.
|
|
|
|
* @param[out] error
|
|
|
|
* Pointer to rte meter error structure.
|
|
|
|
*
|
|
|
|
* @return
|
|
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
mlx5_flow_meter_validate(struct mlx5_priv *priv, uint32_t meter_id,
|
|
|
|
struct rte_mtr_params *params,
|
|
|
|
struct rte_mtr_error *error)
|
|
|
|
{
|
|
|
|
static enum rte_mtr_policer_action
|
|
|
|
valid_recol_action[RTE_COLORS] = {
|
|
|
|
MTR_POLICER_ACTION_COLOR_GREEN,
|
|
|
|
MTR_POLICER_ACTION_COLOR_YELLOW,
|
|
|
|
MTR_POLICER_ACTION_COLOR_RED };
|
|
|
|
int i;
|
|
|
|
|
|
|
|
/* Meter params must not be NULL. */
|
|
|
|
if (params == NULL)
|
|
|
|
return -rte_mtr_error_set(error, EINVAL,
|
|
|
|
RTE_MTR_ERROR_TYPE_MTR_PARAMS,
|
|
|
|
NULL, "Meter object params null.");
|
|
|
|
/* Previous meter color is not supported. */
|
|
|
|
if (params->use_prev_mtr_color)
|
|
|
|
return -rte_mtr_error_set(error, ENOTSUP,
|
|
|
|
RTE_MTR_ERROR_TYPE_MTR_PARAMS,
|
|
|
|
NULL,
|
|
|
|
"Previous meter color "
|
|
|
|
"not supported.");
|
|
|
|
/* Validate policer settings. */
|
|
|
|
for (i = 0; i < RTE_COLORS; i++)
|
|
|
|
if (params->action[i] != valid_recol_action[i] &&
|
|
|
|
params->action[i] != MTR_POLICER_ACTION_DROP)
|
|
|
|
return -rte_mtr_error_set
|
|
|
|
(error, ENOTSUP,
|
|
|
|
action2error(params->action[i]), NULL,
|
|
|
|
"Recolor action not supported.");
|
|
|
|
/* Validate meter id. */
|
|
|
|
if (mlx5_flow_meter_find(priv, meter_id))
|
|
|
|
return -rte_mtr_error_set(error, EEXIST,
|
|
|
|
RTE_MTR_ERROR_TYPE_MTR_ID, NULL,
|
|
|
|
"Meter object already exists.");
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2019-11-08 03:49:16 +00:00
|
|
|
/**
|
|
|
|
* Modify the flow meter action.
|
|
|
|
*
|
|
|
|
* @param[in] priv
|
|
|
|
* Pointer to mlx5 private data structure.
|
|
|
|
* @param[in] fm
|
|
|
|
* Pointer to flow meter to be modified.
|
|
|
|
* @param[in] srtcm
|
|
|
|
* Pointer to meter srtcm description parameter.
|
|
|
|
* @param[in] modify_bits
|
|
|
|
* The bit in srtcm to be updated.
|
|
|
|
* @param[in] active_state
|
|
|
|
* The state to be updated.
|
|
|
|
* @return
|
|
|
|
* 0 on success, o negative value otherwise.
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
mlx5_flow_meter_action_modify(struct mlx5_priv *priv,
|
|
|
|
struct mlx5_flow_meter *fm,
|
|
|
|
const struct mlx5_flow_meter_srtcm_rfc2697_prm *srtcm,
|
|
|
|
uint64_t modify_bits, uint32_t active_state)
|
|
|
|
{
|
|
|
|
#ifdef HAVE_MLX5_DR_CREATE_ACTION_FLOW_METER
|
|
|
|
uint32_t in[MLX5_ST_SZ_DW(flow_meter_parameters)] = { 0 };
|
|
|
|
uint32_t *attr;
|
|
|
|
struct mlx5dv_dr_flow_meter_attr mod_attr = { 0 };
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
/* Fill command parameters. */
|
|
|
|
mod_attr.reg_c_index = priv->mtr_color_reg - REG_C_0;
|
|
|
|
mod_attr.flow_meter_parameter = in;
|
|
|
|
mod_attr.flow_meter_parameter_sz = fm->mfts->fmp_size;
|
|
|
|
if (modify_bits & MLX5_FLOW_METER_OBJ_MODIFY_FIELD_ACTIVE)
|
|
|
|
mod_attr.active = !!active_state;
|
|
|
|
else
|
|
|
|
mod_attr.active = 0;
|
|
|
|
attr = in;
|
|
|
|
if (modify_bits & MLX5_FLOW_METER_OBJ_MODIFY_FIELD_CBS) {
|
|
|
|
MLX5_SET(flow_meter_parameters,
|
|
|
|
attr, cbs_exponent, srtcm->cbs_exponent);
|
|
|
|
MLX5_SET(flow_meter_parameters,
|
|
|
|
attr, cbs_mantissa, srtcm->cbs_mantissa);
|
|
|
|
}
|
|
|
|
if (modify_bits & MLX5_FLOW_METER_OBJ_MODIFY_FIELD_CIR) {
|
|
|
|
MLX5_SET(flow_meter_parameters,
|
|
|
|
attr, cir_exponent, srtcm->cir_exponent);
|
|
|
|
MLX5_SET(flow_meter_parameters,
|
|
|
|
attr, cir_mantissa, srtcm->cir_mantissa);
|
|
|
|
}
|
|
|
|
if (modify_bits & MLX5_FLOW_METER_OBJ_MODIFY_FIELD_EBS) {
|
|
|
|
MLX5_SET(flow_meter_parameters,
|
|
|
|
attr, ebs_exponent, srtcm->ebs_exponent);
|
|
|
|
MLX5_SET(flow_meter_parameters,
|
|
|
|
attr, ebs_mantissa, srtcm->ebs_mantissa);
|
|
|
|
}
|
|
|
|
/* Apply modifications to meter only if it was created. */
|
|
|
|
if (fm->mfts->meter_action) {
|
|
|
|
ret = mlx5_glue->dv_modify_flow_action_meter
|
|
|
|
(fm->mfts->meter_action, &mod_attr,
|
|
|
|
rte_cpu_to_be_64(modify_bits));
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
/* Update succeedded modify meter parameters. */
|
|
|
|
if (modify_bits & MLX5_FLOW_METER_OBJ_MODIFY_FIELD_ACTIVE)
|
|
|
|
fm->active_state = !!active_state;
|
|
|
|
attr = fm->mfts->fmp;
|
|
|
|
if (modify_bits & MLX5_FLOW_METER_OBJ_MODIFY_FIELD_CBS) {
|
|
|
|
MLX5_SET(flow_meter_parameters,
|
|
|
|
attr, cbs_exponent, srtcm->cbs_exponent);
|
|
|
|
MLX5_SET(flow_meter_parameters,
|
|
|
|
attr, cbs_mantissa, srtcm->cbs_mantissa);
|
|
|
|
}
|
|
|
|
if (modify_bits & MLX5_FLOW_METER_OBJ_MODIFY_FIELD_CIR) {
|
|
|
|
MLX5_SET(flow_meter_parameters,
|
|
|
|
attr, cir_exponent, srtcm->cir_exponent);
|
|
|
|
MLX5_SET(flow_meter_parameters,
|
|
|
|
attr, cir_mantissa, srtcm->cir_mantissa);
|
|
|
|
}
|
|
|
|
if (modify_bits & MLX5_FLOW_METER_OBJ_MODIFY_FIELD_EBS) {
|
|
|
|
MLX5_SET(flow_meter_parameters,
|
|
|
|
attr, ebs_exponent, srtcm->ebs_exponent);
|
|
|
|
MLX5_SET(flow_meter_parameters,
|
|
|
|
attr, ebs_mantissa, srtcm->ebs_mantissa);
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
#else
|
|
|
|
(void)priv;
|
|
|
|
(void)fm;
|
|
|
|
(void)srtcm;
|
|
|
|
(void)modify_bits;
|
|
|
|
(void)active_state;
|
|
|
|
return -ENOTSUP;
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
2019-11-08 03:49:14 +00:00
|
|
|
/**
|
|
|
|
* Create meter rules.
|
|
|
|
*
|
|
|
|
* @param[in] dev
|
|
|
|
* Pointer to Ethernet device.
|
|
|
|
* @param[in] meter_id
|
|
|
|
* Meter id.
|
|
|
|
* @param[in] params
|
|
|
|
* Pointer to rte meter parameters.
|
|
|
|
* @param[in] shared
|
|
|
|
* Meter shared with other flow or not.
|
|
|
|
* @param[out] error
|
|
|
|
* Pointer to rte meter error structure.
|
|
|
|
*
|
|
|
|
* @return
|
|
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
mlx5_flow_meter_create(struct rte_eth_dev *dev, uint32_t meter_id,
|
|
|
|
struct rte_mtr_params *params, int shared,
|
|
|
|
struct rte_mtr_error *error)
|
|
|
|
{
|
|
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
|
|
struct mlx5_flow_meters *fms = &priv->flow_meters;
|
|
|
|
struct mlx5_flow_meter_profile *fmp;
|
|
|
|
struct mlx5_flow_meter *fm;
|
|
|
|
const struct rte_flow_attr attr = {
|
|
|
|
.ingress = 1,
|
|
|
|
.egress = 1,
|
|
|
|
.transfer = priv->config.dv_esw_en ? 1 : 0,
|
|
|
|
};
|
|
|
|
int ret;
|
2019-11-08 03:49:19 +00:00
|
|
|
unsigned int i;
|
2019-11-08 03:49:14 +00:00
|
|
|
|
|
|
|
if (!priv->mtr_en)
|
|
|
|
return -rte_mtr_error_set(error, ENOTSUP,
|
|
|
|
RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
|
|
"Meter is not support");
|
|
|
|
/* Validate the parameters. */
|
|
|
|
ret = mlx5_flow_meter_validate(priv, meter_id, params, error);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
/* Meter profile must exist. */
|
|
|
|
fmp = mlx5_flow_meter_profile_find(priv, params->meter_profile_id);
|
|
|
|
if (fmp == NULL)
|
|
|
|
return -rte_mtr_error_set(error, ENOENT,
|
|
|
|
RTE_MTR_ERROR_TYPE_METER_PROFILE_ID,
|
|
|
|
NULL, "Meter profile id not valid.");
|
|
|
|
/* Allocate the flow meter memory. */
|
|
|
|
fm = rte_calloc(__func__, 1,
|
|
|
|
sizeof(struct mlx5_flow_meter), RTE_CACHE_LINE_SIZE);
|
|
|
|
if (fm == NULL)
|
|
|
|
return -rte_mtr_error_set(error, ENOMEM,
|
|
|
|
RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
|
|
"Memory alloc failed for meter.");
|
|
|
|
/* Fill the flow meter parameters. */
|
|
|
|
fm->meter_id = meter_id;
|
|
|
|
fm->profile = fmp;
|
|
|
|
fm->params = *params;
|
2019-11-08 03:49:19 +00:00
|
|
|
/* Alloc policer counters. */
|
|
|
|
for (i = 0; i < RTE_DIM(fm->policer_stats.cnt); i++) {
|
|
|
|
fm->policer_stats.cnt[i] = mlx5_counter_alloc(dev);
|
|
|
|
if (!fm->policer_stats.cnt[i])
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
fm->mfts = mlx5_flow_create_mtr_tbls(dev, fm);
|
2019-11-08 03:49:14 +00:00
|
|
|
if (!fm->mfts)
|
|
|
|
goto error;
|
|
|
|
ret = mlx5_flow_create_policer_rules(dev, fm, &attr);
|
|
|
|
if (ret)
|
|
|
|
goto error;
|
|
|
|
/* Add to the flow meter list. */
|
|
|
|
TAILQ_INSERT_TAIL(fms, fm, next);
|
|
|
|
fm->active_state = 1; /* Config meter starts as active. */
|
|
|
|
fm->shared = !!shared;
|
2019-11-08 03:49:20 +00:00
|
|
|
fm->policer_stats.stats_mask = params->stats_mask;
|
2019-11-08 03:49:14 +00:00
|
|
|
fm->profile->ref_cnt++;
|
|
|
|
return 0;
|
|
|
|
error:
|
|
|
|
mlx5_flow_destroy_policer_rules(dev, fm, &attr);
|
|
|
|
mlx5_flow_destroy_mtr_tbls(dev, fm->mfts);
|
2019-11-08 03:49:19 +00:00
|
|
|
/* Free policer counters. */
|
|
|
|
for (i = 0; i < RTE_DIM(fm->policer_stats.cnt); i++)
|
|
|
|
if (fm->policer_stats.cnt[i])
|
|
|
|
mlx5_counter_free(dev, fm->policer_stats.cnt[i]);
|
2019-11-08 03:49:14 +00:00
|
|
|
rte_free(fm);
|
|
|
|
return -rte_mtr_error_set(error, -ret,
|
|
|
|
RTE_MTR_ERROR_TYPE_UNSPECIFIED,
|
|
|
|
NULL, "Failed to create devx meter.");
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Destroy meter rules.
|
|
|
|
*
|
|
|
|
* @param[in] dev
|
|
|
|
* Pointer to Ethernet device.
|
|
|
|
* @param[in] meter_id
|
|
|
|
* Meter id.
|
|
|
|
* @param[out] error
|
|
|
|
* Pointer to rte meter error structure.
|
|
|
|
*
|
|
|
|
* @return
|
|
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
mlx5_flow_meter_destroy(struct rte_eth_dev *dev, uint32_t meter_id,
|
|
|
|
struct rte_mtr_error *error)
|
|
|
|
{
|
|
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
|
|
struct mlx5_flow_meters *fms = &priv->flow_meters;
|
|
|
|
struct mlx5_flow_meter_profile *fmp;
|
|
|
|
struct mlx5_flow_meter *fm;
|
|
|
|
const struct rte_flow_attr attr = {
|
|
|
|
.ingress = 1,
|
|
|
|
.egress = 1,
|
|
|
|
.transfer = priv->config.dv_esw_en ? 1 : 0,
|
|
|
|
};
|
2019-11-08 03:49:19 +00:00
|
|
|
unsigned int i;
|
2019-11-08 03:49:14 +00:00
|
|
|
|
|
|
|
if (!priv->mtr_en)
|
|
|
|
return -rte_mtr_error_set(error, ENOTSUP,
|
|
|
|
RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
|
|
"Meter is not support");
|
|
|
|
/* Meter object must exist. */
|
|
|
|
fm = mlx5_flow_meter_find(priv, meter_id);
|
|
|
|
if (fm == NULL)
|
|
|
|
return -rte_mtr_error_set(error, ENOENT,
|
|
|
|
RTE_MTR_ERROR_TYPE_MTR_ID,
|
|
|
|
NULL, "Meter object id not valid.");
|
|
|
|
/* Meter object must not have any owner. */
|
|
|
|
if (fm->ref_cnt > 0)
|
|
|
|
return -rte_mtr_error_set(error, EBUSY,
|
|
|
|
RTE_MTR_ERROR_TYPE_UNSPECIFIED,
|
|
|
|
NULL, "Meter object is being used.");
|
|
|
|
/* Get the meter profile. */
|
|
|
|
fmp = fm->profile;
|
2020-01-30 16:14:40 +00:00
|
|
|
MLX5_ASSERT(fmp);
|
2019-11-08 03:49:14 +00:00
|
|
|
/* Update dependencies. */
|
|
|
|
fmp->ref_cnt--;
|
|
|
|
/* Remove from the flow meter list. */
|
|
|
|
TAILQ_REMOVE(fms, fm, next);
|
2019-11-08 03:49:19 +00:00
|
|
|
/* Free policer counters. */
|
|
|
|
for (i = 0; i < RTE_DIM(fm->policer_stats.cnt); i++)
|
|
|
|
if (fm->policer_stats.cnt[i])
|
|
|
|
mlx5_counter_free(dev, fm->policer_stats.cnt[i]);
|
2019-11-08 03:49:14 +00:00
|
|
|
/* Free meter flow table */
|
|
|
|
mlx5_flow_destroy_policer_rules(dev, fm, &attr);
|
|
|
|
mlx5_flow_destroy_mtr_tbls(dev, fm->mfts);
|
|
|
|
rte_free(fm);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2019-11-08 03:49:16 +00:00
|
|
|
/**
|
|
|
|
* Modify meter state.
|
|
|
|
*
|
|
|
|
* @param[in] priv
|
|
|
|
* Pointer to mlx5 private data structure.
|
|
|
|
* @param[in] fm
|
|
|
|
* Pointer to flow meter.
|
|
|
|
* @param[in] new_state
|
|
|
|
* New state to update.
|
|
|
|
* @param[out] error
|
|
|
|
* Pointer to rte meter error structure.
|
|
|
|
*
|
|
|
|
* @return
|
|
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
mlx5_flow_meter_modify_state(struct mlx5_priv *priv,
|
|
|
|
struct mlx5_flow_meter *fm,
|
|
|
|
uint32_t new_state,
|
|
|
|
struct rte_mtr_error *error)
|
|
|
|
{
|
|
|
|
static const struct mlx5_flow_meter_srtcm_rfc2697_prm srtcm = {
|
|
|
|
.cbs_exponent = 20,
|
|
|
|
.cbs_mantissa = 191,
|
|
|
|
.cir_exponent = 0,
|
|
|
|
.cir_mantissa = 200,
|
|
|
|
.ebs_exponent = 0,
|
|
|
|
.ebs_mantissa = 0,
|
|
|
|
};
|
|
|
|
uint64_t modify_bits = MLX5_FLOW_METER_OBJ_MODIFY_FIELD_CBS |
|
|
|
|
MLX5_FLOW_METER_OBJ_MODIFY_FIELD_CIR;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
if (new_state == MLX5_FLOW_METER_DISABLE)
|
|
|
|
ret = mlx5_flow_meter_action_modify(priv, fm, &srtcm,
|
|
|
|
modify_bits, 0);
|
|
|
|
else
|
|
|
|
ret = mlx5_flow_meter_action_modify(priv, fm,
|
|
|
|
&fm->profile->srtcm_prm,
|
|
|
|
modify_bits, 0);
|
|
|
|
if (ret)
|
|
|
|
return -rte_mtr_error_set(error, -ret,
|
|
|
|
RTE_MTR_ERROR_TYPE_MTR_PARAMS,
|
|
|
|
NULL,
|
|
|
|
new_state ?
|
|
|
|
"Failed to enable meter." :
|
|
|
|
"Failed to disable meter.");
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to enable flow meter.
|
|
|
|
*
|
|
|
|
* @param[in] dev
|
|
|
|
* Pointer to Ethernet device.
|
|
|
|
* @param[in] meter_id
|
|
|
|
* Meter id.
|
|
|
|
* @param[out] error
|
|
|
|
* Pointer to rte meter error structure.
|
|
|
|
*
|
|
|
|
* @return
|
|
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
mlx5_flow_meter_enable(struct rte_eth_dev *dev,
|
|
|
|
uint32_t meter_id,
|
|
|
|
struct rte_mtr_error *error)
|
|
|
|
{
|
|
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
|
|
struct mlx5_flow_meter *fm;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
if (!priv->mtr_en)
|
|
|
|
return -rte_mtr_error_set(error, ENOTSUP,
|
|
|
|
RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
|
|
"Meter is not support");
|
|
|
|
/* Meter object must exist. */
|
|
|
|
fm = mlx5_flow_meter_find(priv, meter_id);
|
|
|
|
if (fm == NULL)
|
|
|
|
return -rte_mtr_error_set(error, ENOENT,
|
|
|
|
RTE_MTR_ERROR_TYPE_MTR_ID,
|
|
|
|
NULL, "Meter not found.");
|
|
|
|
if (fm->active_state == MLX5_FLOW_METER_ENABLE)
|
|
|
|
return 0;
|
|
|
|
ret = mlx5_flow_meter_modify_state(priv, fm, MLX5_FLOW_METER_ENABLE,
|
|
|
|
error);
|
|
|
|
if (!ret)
|
|
|
|
fm->active_state = MLX5_FLOW_METER_ENABLE;
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to disable flow meter.
|
|
|
|
*
|
|
|
|
* @param[in] dev
|
|
|
|
* Pointer to Ethernet device.
|
|
|
|
* @param[in] meter_id
|
|
|
|
* Meter id.
|
|
|
|
* @param[out] error
|
|
|
|
* Pointer to rte meter error structure.
|
|
|
|
*
|
|
|
|
* @return
|
|
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
mlx5_flow_meter_disable(struct rte_eth_dev *dev,
|
|
|
|
uint32_t meter_id,
|
|
|
|
struct rte_mtr_error *error)
|
|
|
|
{
|
|
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
|
|
struct mlx5_flow_meter *fm;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
if (!priv->mtr_en)
|
|
|
|
return -rte_mtr_error_set(error, ENOTSUP,
|
|
|
|
RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
|
|
"Meter is not support");
|
|
|
|
/* Meter object must exist. */
|
|
|
|
fm = mlx5_flow_meter_find(priv, meter_id);
|
|
|
|
if (fm == NULL)
|
|
|
|
return -rte_mtr_error_set(error, ENOENT,
|
|
|
|
RTE_MTR_ERROR_TYPE_MTR_ID,
|
|
|
|
NULL, "Meter not found.");
|
|
|
|
if (fm->active_state == MLX5_FLOW_METER_DISABLE)
|
|
|
|
return 0;
|
|
|
|
ret = mlx5_flow_meter_modify_state(priv, fm, MLX5_FLOW_METER_DISABLE,
|
|
|
|
error);
|
|
|
|
if (!ret)
|
|
|
|
fm->active_state = MLX5_FLOW_METER_DISABLE;
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2019-11-08 03:49:17 +00:00
|
|
|
/**
|
|
|
|
* Callback to update meter profile.
|
|
|
|
*
|
|
|
|
* @param[in] dev
|
|
|
|
* Pointer to Ethernet device.
|
|
|
|
* @param[in] meter_id
|
|
|
|
* Meter id.
|
|
|
|
* @param[in] meter_profile_id
|
|
|
|
* To be updated meter profile id.
|
|
|
|
* @param[out] error
|
|
|
|
* Pointer to rte meter error structure.
|
|
|
|
*
|
|
|
|
* @return
|
|
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
mlx5_flow_meter_profile_update(struct rte_eth_dev *dev,
|
|
|
|
uint32_t meter_id,
|
|
|
|
uint32_t meter_profile_id,
|
|
|
|
struct rte_mtr_error *error)
|
|
|
|
{
|
|
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
|
|
struct mlx5_flow_meter_profile *fmp;
|
|
|
|
struct mlx5_flow_meter_profile *old_fmp;
|
|
|
|
struct mlx5_flow_meter *fm;
|
|
|
|
uint64_t modify_bits = MLX5_FLOW_METER_OBJ_MODIFY_FIELD_CBS |
|
|
|
|
MLX5_FLOW_METER_OBJ_MODIFY_FIELD_CIR;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
if (!priv->mtr_en)
|
|
|
|
return -rte_mtr_error_set(error, ENOTSUP,
|
|
|
|
RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
|
|
"Meter is not support");
|
|
|
|
/* Meter profile must exist. */
|
|
|
|
fmp = mlx5_flow_meter_profile_find(priv, meter_profile_id);
|
|
|
|
if (fmp == NULL)
|
|
|
|
return -rte_mtr_error_set(error, ENOENT,
|
|
|
|
RTE_MTR_ERROR_TYPE_METER_PROFILE_ID,
|
|
|
|
NULL, "Meter profile not found.");
|
|
|
|
/* Meter object must exist. */
|
|
|
|
fm = mlx5_flow_meter_find(priv, meter_id);
|
|
|
|
if (fm == NULL)
|
|
|
|
return -rte_mtr_error_set(error, ENOENT,
|
|
|
|
RTE_MTR_ERROR_TYPE_MTR_ID,
|
|
|
|
NULL, "Meter not found.");
|
|
|
|
/* MTR object already set to meter profile id. */
|
|
|
|
old_fmp = fm->profile;
|
|
|
|
if (fmp == old_fmp)
|
|
|
|
return 0;
|
|
|
|
/* Update the profile. */
|
|
|
|
fm->profile = fmp;
|
|
|
|
/* Update meter params in HW (if not disabled). */
|
|
|
|
if (fm->active_state == MLX5_FLOW_METER_DISABLE)
|
|
|
|
return 0;
|
|
|
|
ret = mlx5_flow_meter_action_modify(priv, fm, &fm->profile->srtcm_prm,
|
|
|
|
modify_bits, fm->active_state);
|
|
|
|
if (ret) {
|
|
|
|
fm->profile = old_fmp;
|
|
|
|
return -rte_mtr_error_set(error, -ret,
|
|
|
|
RTE_MTR_ERROR_TYPE_MTR_PARAMS,
|
|
|
|
NULL, "Failed to update meter"
|
|
|
|
" parmeters in hardware.");
|
|
|
|
}
|
|
|
|
old_fmp->ref_cnt--;
|
|
|
|
fmp->ref_cnt++;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2019-11-08 03:49:20 +00:00
|
|
|
/**
|
|
|
|
* Callback to update meter stats mask.
|
|
|
|
*
|
|
|
|
* @param[in] dev
|
|
|
|
* Pointer to Ethernet device.
|
|
|
|
* @param[in] meter_id
|
|
|
|
* Meter id.
|
|
|
|
* @param[in] stats_mask
|
|
|
|
* To be updated stats_mask.
|
|
|
|
* @param[out] error
|
|
|
|
* Pointer to rte meter error structure.
|
|
|
|
*
|
|
|
|
* @return
|
|
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
mlx5_flow_meter_stats_update(struct rte_eth_dev *dev,
|
|
|
|
uint32_t meter_id,
|
|
|
|
uint64_t stats_mask,
|
|
|
|
struct rte_mtr_error *error)
|
|
|
|
{
|
|
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
|
|
struct mlx5_flow_meter *fm;
|
|
|
|
|
|
|
|
if (!priv->mtr_en)
|
|
|
|
return -rte_mtr_error_set(error, ENOTSUP,
|
|
|
|
RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
|
|
"Meter is not support");
|
|
|
|
/* Meter object must exist. */
|
|
|
|
fm = mlx5_flow_meter_find(priv, meter_id);
|
|
|
|
if (fm == NULL)
|
|
|
|
return -rte_mtr_error_set(error, ENOENT,
|
|
|
|
RTE_MTR_ERROR_TYPE_MTR_ID,
|
|
|
|
NULL, "Meter object id not valid.");
|
|
|
|
fm->policer_stats.stats_mask = stats_mask;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to read meter statistics.
|
|
|
|
*
|
|
|
|
* @param[in] dev
|
|
|
|
* Pointer to Ethernet device.
|
|
|
|
* @param[in] meter_id
|
|
|
|
* Meter id.
|
|
|
|
* @param[out] stats
|
|
|
|
* Pointer to store the statistics.
|
|
|
|
* @param[out] stats_mask
|
|
|
|
* Pointer to store the stats_mask.
|
|
|
|
* @param[in] clear
|
|
|
|
* Statistic to be cleared after read or not.
|
|
|
|
* @param[out] error
|
|
|
|
* Pointer to rte meter error structure.
|
|
|
|
*
|
|
|
|
* @return
|
|
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
mlx5_flow_meter_stats_read(struct rte_eth_dev *dev,
|
|
|
|
uint32_t meter_id,
|
|
|
|
struct rte_mtr_stats *stats,
|
|
|
|
uint64_t *stats_mask,
|
|
|
|
int clear,
|
|
|
|
struct rte_mtr_error *error)
|
|
|
|
{
|
|
|
|
static uint64_t meter2mask[RTE_MTR_DROPPED + 1] = {
|
|
|
|
RTE_MTR_STATS_N_PKTS_GREEN | RTE_MTR_STATS_N_BYTES_GREEN,
|
|
|
|
RTE_MTR_STATS_N_PKTS_YELLOW | RTE_MTR_STATS_N_BYTES_YELLOW,
|
|
|
|
RTE_MTR_STATS_N_PKTS_RED | RTE_MTR_STATS_N_BYTES_RED,
|
|
|
|
RTE_MTR_STATS_N_PKTS_DROPPED | RTE_MTR_STATS_N_BYTES_DROPPED
|
|
|
|
};
|
|
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
|
|
struct mlx5_flow_meter *fm;
|
|
|
|
struct mlx5_flow_policer_stats *ps;
|
|
|
|
uint64_t pkts_dropped = 0;
|
|
|
|
uint64_t bytes_dropped = 0;
|
|
|
|
uint64_t pkts;
|
|
|
|
uint64_t bytes;
|
|
|
|
int i;
|
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
if (!priv->mtr_en)
|
|
|
|
return -rte_mtr_error_set(error, ENOTSUP,
|
|
|
|
RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
|
|
"Meter is not support");
|
|
|
|
/* Meter object must exist. */
|
|
|
|
fm = mlx5_flow_meter_find(priv, meter_id);
|
|
|
|
if (fm == NULL)
|
|
|
|
return -rte_mtr_error_set(error, ENOENT,
|
|
|
|
RTE_MTR_ERROR_TYPE_MTR_ID,
|
|
|
|
NULL, "Meter object id not valid.");
|
|
|
|
ps = &fm->policer_stats;
|
|
|
|
*stats_mask = ps->stats_mask;
|
|
|
|
for (i = 0; i < RTE_MTR_DROPPED; i++) {
|
|
|
|
if (*stats_mask & meter2mask[i]) {
|
|
|
|
ret = mlx5_counter_query(dev, ps->cnt[i], clear, &pkts,
|
|
|
|
&bytes);
|
|
|
|
if (ret)
|
|
|
|
goto error;
|
|
|
|
if (fm->params.action[i] == MTR_POLICER_ACTION_DROP) {
|
|
|
|
pkts_dropped += pkts;
|
|
|
|
bytes_dropped += bytes;
|
|
|
|
}
|
|
|
|
/* If need to read the packets, set it. */
|
|
|
|
if ((1 << i) & (*stats_mask & meter2mask[i]))
|
|
|
|
stats->n_pkts[i] = pkts;
|
|
|
|
/* If need to read the bytes, set it. */
|
|
|
|
if ((1 << (RTE_MTR_DROPPED + 1 + i)) &
|
|
|
|
(*stats_mask & meter2mask[i]))
|
|
|
|
stats->n_bytes[i] = bytes;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* Dropped packets/bytes are treated differently. */
|
|
|
|
if (*stats_mask & meter2mask[i]) {
|
|
|
|
ret = mlx5_counter_query(dev, ps->cnt[i], clear, &pkts,
|
|
|
|
&bytes);
|
|
|
|
if (ret)
|
|
|
|
goto error;
|
|
|
|
pkts += pkts_dropped;
|
|
|
|
bytes += bytes_dropped;
|
|
|
|
/* If need to read the packets, set it. */
|
|
|
|
if ((*stats_mask & meter2mask[i]) &
|
|
|
|
RTE_MTR_STATS_N_PKTS_DROPPED)
|
|
|
|
stats->n_pkts_dropped = pkts;
|
|
|
|
/* If need to read the bytes, set it. */
|
|
|
|
if ((*stats_mask & meter2mask[i]) &
|
|
|
|
RTE_MTR_STATS_N_BYTES_DROPPED)
|
|
|
|
stats->n_bytes_dropped = bytes;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
error:
|
|
|
|
return -rte_mtr_error_set(error, ret, RTE_MTR_ERROR_TYPE_STATS, NULL,
|
|
|
|
"Failed to read policer counters.");
|
|
|
|
}
|
|
|
|
|
2019-11-08 03:49:07 +00:00
|
|
|
static const struct rte_mtr_ops mlx5_flow_mtr_ops = {
|
2019-11-08 03:49:08 +00:00
|
|
|
.capabilities_get = mlx5_flow_mtr_cap_get,
|
2019-11-08 03:49:10 +00:00
|
|
|
.meter_profile_add = mlx5_flow_meter_profile_add,
|
|
|
|
.meter_profile_delete = mlx5_flow_meter_profile_delete,
|
2019-11-08 03:49:14 +00:00
|
|
|
.create = mlx5_flow_meter_create,
|
|
|
|
.destroy = mlx5_flow_meter_destroy,
|
2019-11-08 03:49:16 +00:00
|
|
|
.meter_enable = mlx5_flow_meter_enable,
|
|
|
|
.meter_disable = mlx5_flow_meter_disable,
|
2019-11-08 03:49:17 +00:00
|
|
|
.meter_profile_update = mlx5_flow_meter_profile_update,
|
2019-11-08 03:49:07 +00:00
|
|
|
.meter_dscp_table_update = NULL,
|
|
|
|
.policer_actions_update = NULL,
|
2019-11-08 03:49:20 +00:00
|
|
|
.stats_update = mlx5_flow_meter_stats_update,
|
|
|
|
.stats_read = mlx5_flow_meter_stats_read,
|
2019-11-08 03:49:07 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Get meter operations.
|
|
|
|
*
|
|
|
|
* @param dev
|
|
|
|
* Pointer to Ethernet device structure.
|
|
|
|
* @param arg
|
|
|
|
* Pointer to set the mtr operations.
|
|
|
|
*
|
|
|
|
* @return
|
|
|
|
* Always 0.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
mlx5_flow_meter_ops_get(struct rte_eth_dev *dev __rte_unused, void *arg)
|
|
|
|
{
|
|
|
|
*(const struct rte_mtr_ops **)arg = &mlx5_flow_mtr_ops;
|
|
|
|
return 0;
|
|
|
|
}
|
2019-11-08 03:49:14 +00:00
|
|
|
|
|
|
|
/**
|
|
|
|
* Find meter by id.
|
|
|
|
*
|
|
|
|
* @param priv
|
|
|
|
* Pointer to mlx5_priv.
|
|
|
|
* @param meter_id
|
|
|
|
* Meter id.
|
|
|
|
*
|
|
|
|
* @return
|
|
|
|
* Pointer to the profile found on success, NULL otherwise.
|
|
|
|
*/
|
|
|
|
struct mlx5_flow_meter *
|
|
|
|
mlx5_flow_meter_find(struct mlx5_priv *priv, uint32_t meter_id)
|
|
|
|
{
|
|
|
|
struct mlx5_flow_meters *fms = &priv->flow_meters;
|
|
|
|
struct mlx5_flow_meter *fm;
|
|
|
|
|
|
|
|
TAILQ_FOREACH(fm, fms, next)
|
|
|
|
if (meter_id == fm->meter_id)
|
|
|
|
return fm;
|
|
|
|
return NULL;
|
|
|
|
}
|
2019-11-08 03:49:21 +00:00
|
|
|
|
|
|
|
/**
|
|
|
|
* Attach meter to flow.
|
|
|
|
* Unidirectional Meter creation can only be done
|
|
|
|
* when flow direction is known, i.e. when calling meter_attach.
|
|
|
|
*
|
|
|
|
* @param [in] priv
|
|
|
|
* Pointer to mlx5 private data.
|
|
|
|
* @param [in] meter_id
|
|
|
|
* Flow meter id.
|
|
|
|
* @param [in] attr
|
|
|
|
* Pointer to flow attributes.
|
|
|
|
* @param [out] error
|
|
|
|
* Pointer to error structure.
|
|
|
|
*
|
|
|
|
* @return the flow meter pointer, NULL otherwise.
|
|
|
|
*/
|
|
|
|
struct mlx5_flow_meter *
|
|
|
|
mlx5_flow_meter_attach(struct mlx5_priv *priv, uint32_t meter_id,
|
|
|
|
const struct rte_flow_attr *attr,
|
|
|
|
struct rte_flow_error *error)
|
|
|
|
{
|
|
|
|
struct mlx5_flow_meter *fm;
|
|
|
|
|
|
|
|
fm = mlx5_flow_meter_find(priv, meter_id);
|
|
|
|
if (fm == NULL) {
|
|
|
|
rte_flow_error_set(error, ENOENT,
|
|
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
|
|
"Meter object id not valid");
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
if (!fm->shared && fm->ref_cnt) {
|
|
|
|
DRV_LOG(ERR, "Cannot share a non-shared meter.");
|
|
|
|
rte_flow_error_set(error, EINVAL,
|
|
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
|
|
"Meter can't be shared");
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
if (!fm->ref_cnt++) {
|
2020-01-30 16:14:40 +00:00
|
|
|
MLX5_ASSERT(!fm->mfts->meter_action);
|
2019-11-08 03:49:21 +00:00
|
|
|
fm->attr = *attr;
|
|
|
|
/* This also creates the meter object. */
|
|
|
|
fm->mfts->meter_action = mlx5_flow_meter_action_create(priv,
|
|
|
|
fm);
|
|
|
|
if (!fm->mfts->meter_action)
|
|
|
|
goto error_detach;
|
|
|
|
} else {
|
2020-01-30 16:14:40 +00:00
|
|
|
MLX5_ASSERT(fm->mfts->meter_action);
|
2019-11-08 03:49:21 +00:00
|
|
|
if (attr->transfer != fm->attr.transfer ||
|
|
|
|
attr->ingress != fm->attr.ingress ||
|
|
|
|
attr->egress != fm->attr.egress) {
|
|
|
|
DRV_LOG(ERR, "meter I/O attributes do not "
|
|
|
|
"match flow I/O attributes.");
|
|
|
|
goto error_detach;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return fm;
|
|
|
|
error_detach:
|
|
|
|
mlx5_flow_meter_detach(fm);
|
|
|
|
rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
|
|
fm->mfts->meter_action ? "Meter attr not match" :
|
|
|
|
"Meter action create failed");
|
|
|
|
error:
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Detach meter from flow.
|
|
|
|
*
|
|
|
|
* @param [in] fm
|
|
|
|
* Pointer to flow meter.
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
mlx5_flow_meter_detach(struct mlx5_flow_meter *fm)
|
|
|
|
{
|
|
|
|
const struct rte_flow_attr attr = { 0 };
|
|
|
|
|
2020-01-30 16:14:40 +00:00
|
|
|
MLX5_ASSERT(fm->ref_cnt);
|
2019-11-08 03:49:21 +00:00
|
|
|
if (--fm->ref_cnt)
|
|
|
|
return;
|
|
|
|
if (fm->mfts->meter_action)
|
|
|
|
mlx5_glue->destroy_flow_action(fm->mfts->meter_action);
|
|
|
|
fm->mfts->meter_action = NULL;
|
|
|
|
fm->attr = attr;
|
|
|
|
}
|
2019-11-08 03:49:25 +00:00
|
|
|
|
|
|
|
/**
|
|
|
|
* Flush meter configuration.
|
|
|
|
*
|
|
|
|
* @param[in] dev
|
|
|
|
* Pointer to Ethernet device.
|
|
|
|
* @param[out] error
|
|
|
|
* Pointer to rte meter error structure.
|
|
|
|
*
|
|
|
|
* @return
|
|
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
mlx5_flow_meter_flush(struct rte_eth_dev *dev, struct rte_mtr_error *error)
|
|
|
|
{
|
|
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
|
|
struct mlx5_flow_meters *fms = &priv->flow_meters;
|
|
|
|
struct mlx5_mtr_profiles *fmps = &priv->flow_meter_profiles;
|
|
|
|
struct mlx5_flow_meter_profile *fmp;
|
|
|
|
struct mlx5_flow_meter *fm;
|
|
|
|
const struct rte_flow_attr attr = {
|
|
|
|
.ingress = 1,
|
|
|
|
.egress = 1,
|
|
|
|
.transfer = priv->config.dv_esw_en ? 1 : 0,
|
|
|
|
};
|
|
|
|
void *tmp;
|
|
|
|
uint32_t i;
|
|
|
|
|
|
|
|
TAILQ_FOREACH_SAFE(fm, fms, next, tmp) {
|
|
|
|
/* Meter object must not have any owner. */
|
2020-01-30 16:14:40 +00:00
|
|
|
MLX5_ASSERT(!fm->ref_cnt);
|
2019-11-08 03:49:25 +00:00
|
|
|
/* Get meter profile. */
|
|
|
|
fmp = fm->profile;
|
|
|
|
if (fmp == NULL)
|
|
|
|
return -rte_mtr_error_set(error, EINVAL,
|
|
|
|
RTE_MTR_ERROR_TYPE_METER_PROFILE_ID,
|
|
|
|
NULL, "MTR object meter profile invalid.");
|
|
|
|
/* Update dependencies. */
|
|
|
|
fmp->ref_cnt--;
|
|
|
|
/* Remove from list. */
|
|
|
|
TAILQ_REMOVE(fms, fm, next);
|
|
|
|
/* Free policer counters. */
|
|
|
|
for (i = 0; i < RTE_DIM(fm->policer_stats.cnt); i++)
|
|
|
|
if (fm->policer_stats.cnt[i])
|
|
|
|
mlx5_counter_free(dev,
|
|
|
|
fm->policer_stats.cnt[i]);
|
|
|
|
/* Free meter flow table. */
|
|
|
|
mlx5_flow_destroy_policer_rules(dev, fm, &attr);
|
|
|
|
mlx5_flow_destroy_mtr_tbls(dev, fm->mfts);
|
|
|
|
rte_free(fm);
|
|
|
|
}
|
|
|
|
TAILQ_FOREACH_SAFE(fmp, fmps, next, tmp) {
|
|
|
|
/* Check unused. */
|
2020-01-30 16:14:40 +00:00
|
|
|
MLX5_ASSERT(!fmp->ref_cnt);
|
2019-11-08 03:49:25 +00:00
|
|
|
/* Remove from list. */
|
|
|
|
TAILQ_REMOVE(&priv->flow_meter_profiles, fmp, next);
|
|
|
|
rte_free(fmp);
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|