return 0;
}
+/**
+ * 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
+}
+
/**
* Create meter rules.
*
return 0;
}
+/**
+ * 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;
+}
+
+/**
+ * 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;
+}
+
static const struct rte_mtr_ops mlx5_flow_mtr_ops = {
.capabilities_get = mlx5_flow_mtr_cap_get,
.meter_profile_add = mlx5_flow_meter_profile_add,
.meter_profile_delete = mlx5_flow_meter_profile_delete,
.create = mlx5_flow_meter_create,
.destroy = mlx5_flow_meter_destroy,
- .meter_enable = NULL,
- .meter_disable = NULL,
- .meter_profile_update = NULL,
+ .meter_enable = mlx5_flow_meter_enable,
+ .meter_disable = mlx5_flow_meter_disable,
+ .meter_profile_update = mlx5_flow_meter_profile_update,
.meter_dscp_table_update = NULL,
.policer_actions_update = NULL,
.stats_update = NULL,
git.droids-corp.org / dpdk.git / blobdiff