X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fmlx5%2Fmlx5_flow_meter.c;h=32d51c0b19bc9c847d6cf39a0c9e54419f5aba13;hb=7b4f1e6bd367;hp=c39e7030cc673c7facf24ba19bb7875bafbfe069;hpb=fab7f7d45049e6f1d13729b68b396263ee45ece5;p=dpdk.git diff --git a/drivers/net/mlx5/mlx5_flow_meter.c b/drivers/net/mlx5/mlx5_flow_meter.c index c39e7030cc..32d51c0b19 100644 --- a/drivers/net/mlx5/mlx5_flow_meter.c +++ b/drivers/net/mlx5/mlx5_flow_meter.c @@ -4,13 +4,72 @@ */ #include +#include #include #include #include +#include + #include "mlx5.h" #include "mlx5_flow.h" +/** + * Create the meter action. + * + * @param priv + * Pointer to mlx5_priv. + * @param[in] fm + * Pointer to flow meter to be converted. + * + * @return + * Pointer to the meter action on success, NULL otherwise. + */ +static void * +mlx5_flow_meter_action_create(struct mlx5_priv *priv, + struct mlx5_flow_meter *fm) +{ +#ifdef HAVE_MLX5_DR_CREATE_ACTION_FLOW_METER + struct mlx5dv_dr_flow_meter_attr mtr_init; + void *attr = fm->mfts->fmp; + struct mlx5_flow_meter_srtcm_rfc2697_prm *srtcm = + &fm->profile->srtcm_prm; + + fm->mfts->fmp_size = MLX5_ST_SZ_BYTES(flow_meter_parameters); + memset(attr, 0, fm->mfts->fmp_size); + MLX5_SET(flow_meter_parameters, attr, valid, 1); + MLX5_SET(flow_meter_parameters, attr, bucket_overflow, 1); + MLX5_SET(flow_meter_parameters, attr, + start_color, MLX5_FLOW_COLOR_GREEN); + MLX5_SET(flow_meter_parameters, attr, both_buckets_on_green, 0); + MLX5_SET(flow_meter_parameters, + attr, cbs_exponent, srtcm->cbs_exponent); + MLX5_SET(flow_meter_parameters, + attr, cbs_mantissa, srtcm->cbs_mantissa); + MLX5_SET(flow_meter_parameters, + attr, cir_exponent, srtcm->cir_exponent); + MLX5_SET(flow_meter_parameters, + attr, cir_mantissa, srtcm->cir_mantissa); + MLX5_SET(flow_meter_parameters, + attr, ebs_exponent, srtcm->ebs_exponent); + MLX5_SET(flow_meter_parameters, + attr, ebs_mantissa, srtcm->ebs_mantissa); + mtr_init.next_table = + fm->attr.transfer ? fm->mfts->transfer.tbl->obj : + fm->attr.egress ? fm->mfts->egress.tbl->obj : + fm->mfts->ingress.tbl->obj; + mtr_init.reg_c_index = priv->mtr_color_reg - REG_C_0; + mtr_init.flow_meter_parameter = fm->mfts->fmp; + mtr_init.flow_meter_parameter_sz = fm->mfts->fmp_size; + mtr_init.active = fm->active_state; + return mlx5_glue->dv_create_flow_action_meter(&mtr_init); +#else + (void)priv; + (void)fm; + return NULL; +#endif +} + /** * Find meter profile by id. * @@ -1081,3 +1140,148 @@ mlx5_flow_meter_find(struct mlx5_priv *priv, uint32_t meter_id) return fm; return NULL; } + +/** + * 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++) { + RTE_ASSERT(!fm->mfts->meter_action); + 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 { + RTE_ASSERT(fm->mfts->meter_action); + 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 }; + + RTE_ASSERT(fm->ref_cnt); + 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; +} + +/** + * 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. */ + RTE_ASSERT(!fm->ref_cnt); + /* 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. */ + RTE_ASSERT(!fmp->ref_cnt); + /* Remove from list. */ + TAILQ_REMOVE(&priv->flow_meter_profiles, fmp, next); + rte_free(fmp); + } + return 0; +}