*/
#include <math.h>
+#include <rte_tailq.h>
#include <rte_malloc.h>
#include <rte_mtr.h>
#include <rte_mtr_driver.h>
+#include <mlx5_devx_cmds.h>
+
#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.
*
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;
+}
git.droids-corp.org / dpdk.git / blobdiff