[dpdk-dev] [PATCH v4 16/21] ethdev: define structures for configuring flexible payload
Thomas Monjalon
thomas.monjalon at 6wind.com
Tue Oct 28 15:14:33 CET 2014
2014-10-22 09:01, Jingjing Wu:
> +/**
> + * A structure defined a field vector to specify each field.
> + */
> +struct rte_eth_field_vector {
> + uint8_t offset; /**< Source word offset */
> + uint8_t size; /**< Field Size defined in word units */
> +};
I'm sorry but I don't understand this patch at all.
I think the reason is that I need more information about flex filter.
> +
> +/**
> + * payload type
> + */
> +enum rte_eth_payload_type {
> + RTE_ETH_PAYLOAD_UNKNOWN = 0,
> + RTE_ETH_L2_PAYLOAD,
> + RTE_ETH_L3_PAYLOAD,
> + RTE_ETH_L4_PAYLOAD,
> +};
> +
> /**
> * flow type
> */
> @@ -92,6 +111,30 @@ enum rte_eth_flow_type {
> };
>
> /**
> + * A structure used to select fields extracted from the protocol layers to
> + * the Field Vector as flexible payload for filter
> + */
> +struct rte_eth_flex_payload_cfg {
> + enum rte_eth_payload_type type; /**< payload type */
> + uint8_t nb_field; /**< the number of following fields */
> + struct rte_eth_field_vector field[0];
> +};
> +
> +#define RTE_ETH_FDIR_CFG_FLX 0x0001
> +/**
> + * A structure used to config FDIR filter global set
> + * to support RTE_ETH_FILTER_FDIR with RTE_ETH_FILTER_SET operation.
> + */
> +struct rte_eth_fdir_cfg {
> + uint16_t cmd; /**< sub command */
> + /**
> + * A pointer to structure for the configuration e.g.
> + * struct rte_eth_flex_payload_cfg for FDIR_CFG_FLX
> + */
> + void *cfg;
> +};
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