@@ -2627,6 +2627,126 @@ mlx5_flow_validate_item_geneve(const struct rte_flow_item *item,
return 0;
}
+/**
+ * Validate Geneve TLV option item.
+ *
+ * @param[in] item
+ * Item specification.
+ * @param[in] last_item
+ * Previous validated item in the pattern items.
+ * @param[in] dev
+ * Pointer to the rte_eth_dev structure.
+ * @param[out] error
+ * Pointer to error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_flow_validate_item_geneve_opt(const struct rte_flow_item *item,
+ uint64_t last_item,
+ struct rte_eth_dev *dev,
+ struct rte_flow_error *error)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_dev_ctx_shared *sh = priv->sh;
+ struct mlx5_geneve_tlv_option_resource *geneve_opt_resource;
+ struct mlx5_hca_attr *hca_attr = &priv->config.hca_attr;
+ uint8_t data_max_supported =
+ hca_attr->max_geneve_tlv_option_data_len * 4;
+ struct mlx5_dev_config *config = &priv->config;
+ const struct rte_flow_item_geneve_opt *spec = item->spec;
+ const struct rte_flow_item_geneve_opt *mask = item->mask;
+ unsigned int i;
+ unsigned int data_len;
+ const struct rte_flow_item_geneve_opt full_mask = {
+ .option_class = RTE_BE16(0xffff),
+ .option_type = 0xff,
+ .option_len = 0x1f,
+ };
+
+ if (!mask)
+ mask = &rte_flow_item_geneve_opt_mask;
+ if (!spec)
+ return rte_flow_error_set
+ (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Geneve TLV opt class/type/length must be specified");
+ if ((uint32_t)(spec->option_len) > MLX5_GENEVE_OPTLEN_MASK)
+ return rte_flow_error_set
+ (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Geneve TLV opt length exceeeds the limit (31)");
+ /* Check if class type and length masks are full. */
+ if (full_mask.option_class != mask->option_class ||
+ full_mask.option_type != mask->option_type ||
+ full_mask.option_len != (mask->option_len & full_mask.option_len))
+ return rte_flow_error_set
+ (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Geneve TLV opt class/type/length masks must be full");
+ /* Check if length is supported */
+ if ((uint32_t)(spec->option_len) >
+ config->hca_attr.max_geneve_tlv_option_data_len)
+ return rte_flow_error_set
+ (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Geneve TLV opt length not supported");
+ if (config->hca_attr.max_geneve_tlv_options > 1)
+ DRV_LOG(DEBUG,
+ "max_geneve_tlv_options supports more than 1 option");
+ /* Check GENEVE item preceding. */
+ if (!(last_item & MLX5_FLOW_LAYER_GENEVE))
+ return rte_flow_error_set
+ (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Geneve opt item must be preceded with Geneve item");
+ /* Check if length is 0 or data is 0. */
+ if (spec->data == NULL || spec->option_len == 0)
+ return rte_flow_error_set
+ (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Geneve TLV opt with zero data/length not supported");
+ /* Check not all data & mask are 0. */
+ data_len = spec->option_len * 4;
+ if (mask->data == NULL) {
+ for (i = 0; i < data_len; i++)
+ if (spec->data[i])
+ break;
+ if (i == data_len)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Can't match on Geneve option data 0");
+ } else {
+ for (i = 0; i < data_len; i++)
+ if (spec->data[i] & mask->data[i])
+ break;
+ if (i == data_len)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Can't match on Geneve option data and mask 0");
+ /* Check data mask supported. */
+ for (i = data_max_supported; i < data_len ; i++)
+ if (mask->data[i])
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Data mask is of unsupported size");
+ }
+ /* Check GENEVE option is supported in NIC. */
+ if (!config->hca_attr.geneve_tlv_opt)
+ return rte_flow_error_set
+ (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Geneve TLV opt not supported");
+ /* Check if we already have geneve option with different type/class. */
+ rte_spinlock_lock(&sh->geneve_tlv_opt_sl);
+ geneve_opt_resource = sh->geneve_tlv_option_resource;
+ if (geneve_opt_resource != NULL)
+ if (geneve_opt_resource->option_class != spec->option_class ||
+ geneve_opt_resource->option_type != spec->option_type ||
+ geneve_opt_resource->length != spec->option_len) {
+ rte_spinlock_unlock(&sh->geneve_tlv_opt_sl);
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Only one Geneve TLV option supported");
+ }
+ rte_spinlock_unlock(&sh->geneve_tlv_opt_sl);
+ return 0;
+}
+
/**
* Validate MPLS item.
*
@@ -138,6 +138,9 @@ enum mlx5_feature_name {
#define MLX5_FLOW_LAYER_OUTER_L3_IPV6_FRAG_EXT (1u << 30)
#define MLX5_FLOW_LAYER_INNER_L3_IPV6_FRAG_EXT (1u << 31)
+/* Pattern tunnel Layer bits (continued). */
+#define MLX5_FLOW_LAYER_GENEVE_OPT (UINT64_C(1) << 32)
+
/* Outer Masks. */
#define MLX5_FLOW_LAYER_OUTER_L3 \
(MLX5_FLOW_LAYER_OUTER_L3_IPV4 | MLX5_FLOW_LAYER_OUTER_L3_IPV6)
@@ -1396,6 +1399,10 @@ int mlx5_flow_validate_item_geneve(const struct rte_flow_item *item,
uint64_t item_flags,
struct rte_eth_dev *dev,
struct rte_flow_error *error);
+int mlx5_flow_validate_item_geneve_opt(const struct rte_flow_item *item,
+ uint64_t last_item,
+ struct rte_eth_dev *dev,
+ struct rte_flow_error *error);
int mlx5_flow_validate_item_ecpri(const struct rte_flow_item *item,
uint64_t item_flags,
uint64_t last_item,
@@ -5520,6 +5520,15 @@ flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
return ret;
last_item = MLX5_FLOW_LAYER_GENEVE;
break;
+ case RTE_FLOW_ITEM_TYPE_GENEVE_OPT:
+ ret = mlx5_flow_validate_item_geneve_opt(items,
+ last_item,
+ dev,
+ error);
+ if (ret < 0)
+ return ret;
+ last_item = MLX5_FLOW_LAYER_GENEVE_OPT;
+ break;
case RTE_FLOW_ITEM_TYPE_MPLS:
ret = mlx5_flow_validate_item_mpls(dev, items,
item_flags,
@@ -5528,7 +5537,6 @@ flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
return ret;
last_item = MLX5_FLOW_LAYER_MPLS;
break;
-
case RTE_FLOW_ITEM_TYPE_MARK:
ret = flow_dv_validate_item_mark(dev, items, attr,
error);