@@ -2292,6 +2292,12 @@ struct mlx5_flow_id_pool *
DRV_LOG(DEBUG, "LRO session timeout set to %d usec",
config.lro.timeout);
}
+#if defined(HAVE_MLX5DV_DR) && defined(HAVE_MLX5_DR_CREATE_ACTION_FLOW_METER)
+ if (config.hca_attr.qos.sup && config.hca_attr.qos.srtcm_sup &&
+ config.dv_flow_en) {
+ priv->mtr_en = 1;
+ }
+#endif
}
if (config.mprq.enabled && mprq) {
if (config.mprq.stride_num_n > mprq_max_stride_num_n ||
@@ -167,6 +167,17 @@ struct mlx5_devx_mkey_attr {
uint32_t pd;
};
+/* HCA qos attributes. */
+struct mlx5_hca_qos_attr {
+ uint32_t sup:1; /* Whether QOS is supported. */
+ uint32_t srtcm_sup:1; /* Whether srTCM mode is supported. */
+ uint8_t log_max_flow_meter;
+ /* Power of the maximum supported meters. */
+ uint8_t flow_meter_reg_c_ids;
+ /* Bitmap of the reg_Cs available for flow meter to use. */
+
+};
+
/* HCA supports this number of time periods for LRO. */
#define MLX5_LRO_NUM_SUPP_PERIODS 4
@@ -193,6 +204,7 @@ struct mlx5_hca_attr {
uint32_t log_max_hairpin_wq_data_sz:5;
uint32_t log_max_hairpin_num_packets:5;
uint32_t vhca_id:16;
+ struct mlx5_hca_qos_attr qos;
};
/* Flow list . */
@@ -690,6 +702,7 @@ struct mlx5_priv {
unsigned int master:1; /* Device is a E-Switch master. */
unsigned int dr_shared:1; /* DV/DR data is shared. */
unsigned int counter_fallback:1; /* Use counter fallback management. */
+ unsigned int mtr_en:1; /* Whether support meter. */
uint16_t domain_id; /* Switch domain identifier. */
uint16_t vport_id; /* Associated VF vport index (if any). */
uint32_t vport_meta_tag; /* Used for vport index match ove VF LAG. */
@@ -335,6 +335,29 @@ struct mlx5_devx_obj *
attr->log_max_hairpin_num_packets = MLX5_GET
(cmd_hca_cap, hcattr, log_min_hairpin_wq_data_sz);
attr->vhca_id = MLX5_GET(cmd_hca_cap, hcattr, vhca_id);
+ attr->qos.sup = MLX5_GET(cmd_hca_cap, hcattr, qos);
+ if (attr->qos.sup) {
+ MLX5_SET(query_hca_cap_in, in, op_mod,
+ MLX5_GET_HCA_CAP_OP_MOD_QOS_CAP |
+ MLX5_HCA_CAP_OPMOD_GET_CUR);
+ rc = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in),
+ out, sizeof(out));
+ if (rc)
+ goto error;
+ if (status) {
+ DRV_LOG(DEBUG, "Failed to query devx QOS capabilities,"
+ " status %x, syndrome = %x",
+ status, syndrome);
+ return -1;
+ }
+ hcattr = MLX5_ADDR_OF(query_hca_cap_out, out, capability);
+ attr->qos.srtcm_sup =
+ MLX5_GET(qos_cap, hcattr, flow_meter_srtcm);
+ attr->qos.log_max_flow_meter =
+ MLX5_GET(qos_cap, hcattr, log_max_flow_meter);
+ attr->qos.flow_meter_reg_c_ids =
+ MLX5_GET(qos_cap, hcattr, flow_meter_reg_id);
+ }
attr->eth_net_offloads = MLX5_GET(cmd_hca_cap, hcattr,
eth_net_offloads);
attr->eth_virt = MLX5_GET(cmd_hca_cap, hcattr, eth_virt);
@@ -8,9 +8,51 @@
#include <rte_mtr_driver.h>
#include "mlx5.h"
+#include "mlx5_flow.h"
+
+/**
+ * Callback to get MTR capabilities.
+ *
+ * @param[in] dev
+ * Pointer to Ethernet device.
+ * @param[out] cap
+ * Pointer to save MTR capabilities.
+ * @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_mtr_cap_get(struct rte_eth_dev *dev,
+ struct rte_mtr_capabilities *cap,
+ struct rte_mtr_error *error __rte_unused)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_hca_qos_attr *qattr = &priv->config.hca_attr.qos;
+
+ if (!priv->mtr_en)
+ return -rte_mtr_error_set(error, ENOTSUP,
+ RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
+ "Meter is not support");
+ memset(cap, 0, sizeof(*cap));
+ cap->n_max = 1 << qattr->log_max_flow_meter;
+ cap->n_shared_max = cap->n_max;
+ cap->identical = 1;
+ cap->shared_identical = 1;
+ cap->shared_n_flows_per_mtr_max = 4 << 20;
+ /* 2M flows can share the same meter. */
+ cap->chaining_n_mtrs_per_flow_max = 1; /* Chaining is not supported. */
+ cap->meter_srtcm_rfc2697_n_max = qattr->srtcm_sup ? cap->n_max : 0;
+ cap->meter_rate_max = 1ULL << 40; /* 1 Tera tokens per sec. */
+ cap->policer_action_drop_supported = 1;
+ cap->stats_mask = RTE_MTR_STATS_N_BYTES_DROPPED |
+ RTE_MTR_STATS_N_PKTS_DROPPED;
+ return 0;
+}
static const struct rte_mtr_ops mlx5_flow_mtr_ops = {
- .capabilities_get = NULL,
+ .capabilities_get = mlx5_flow_mtr_cap_get,
.meter_profile_add = NULL,
.meter_profile_delete = NULL,
.create = NULL,