[dpdk-dev] [PATCH v6 14/18] net/ixgbe: parse L2 tunnel filter

Ferruh Yigit ferruh.yigit at intel.com
Fri Jan 13 12:18:22 CET 2017


On 1/13/2017 8:13 AM, Wei Zhao wrote:
> check if the rule is a L2 tunnel rule, and get the L2 tunnel info.
> 
> Signed-off-by: Wei Zhao <wei.zhao1 at intel.com>
> Signed-off-by: Wenzhuo Lu <wenzhuo.lu at intel.com>
> ---
>  drivers/net/ixgbe/ixgbe_ethdev.c |   3 +-
>  drivers/net/ixgbe/ixgbe_flow.c   | 216 +++++++++++++++++++++++++++++++++++++++
>  lib/librte_ether/rte_flow.h      |  48 +++++++++
>  3 files changed, 266 insertions(+), 1 deletion(-)

> <...>

Hi Adrien,

Can you please review rte_flow related part of the patch below?

I am OK with rest of the patch, and planning to apply to next-net if you
don't have any objection.

Thanks,
ferruh


>  
> diff --git a/lib/librte_ether/rte_flow.h b/lib/librte_ether/rte_flow.h
> index 98084ac..7142479 100644
> --- a/lib/librte_ether/rte_flow.h
> +++ b/lib/librte_ether/rte_flow.h
> @@ -268,6 +268,20 @@ enum rte_flow_item_type {
>  	 * See struct rte_flow_item_vxlan.
>  	 */
>  	RTE_FLOW_ITEM_TYPE_VXLAN,
> +
> +	/**
> +	 * Matches a E_TAG header.
> +	 *
> +	 * See struct rte_flow_item_e_tag.
> +	 */
> +	RTE_FLOW_ITEM_TYPE_E_TAG,
> +
> +	/**
> +	 * Matches a NVGRE header.
> +	 *
> +	 * See struct rte_flow_item_nvgre.
> +	 */
> +	RTE_FLOW_ITEM_TYPE_NVGRE,
>  };
>  
>  /**
> @@ -454,6 +468,40 @@ struct rte_flow_item_vxlan {
>  };
>  
>  /**
> + * RTE_FLOW_ITEM_TYPE_E_TAG.
> + *
> + * Matches a E-tag header.
> + */
> +struct rte_flow_item_e_tag {
> +	uint16_t tpid; /**< Tag protocol identifier (0x893F). */
> +	/** E-Tag control information (E-TCI). */
> +	/**< E-PCP (3b), E-DEI (1b), ingress E-CID base (12b). */
> +	uint16_t epcp_edei_in_ecid_b;
> +	/**< Reserved (2b), GRP (2b), E-CID base (12b). */
> +	uint16_t rsvd_grp_ecid_b;
> +	uint8_t in_ecid_e; /**< Ingress E-CID ext. */
> +	uint8_t ecid_e; /**< E-CID ext. */
> +};
> +
> +/**
> + * RTE_FLOW_ITEM_TYPE_NVGRE.
> + *
> + * Matches a NVGRE header.
> + */
> +struct rte_flow_item_nvgre {
> +     /**
> +      * Checksum (1b), undefined (1b), key bit (1b), sequence number (1b),
> +      * reserved 0 (9b), version (3b).
> +      *
> +      * \c_k_s_rsvd0_ver must have value 0x2000 according to RFC 7637.
> +      */
> +	uint16_t c_k_s_rsvd0_ver;
> +	uint16_t protocol; /**< Protocol type (0x6558). */
> +	uint8_t tni[3]; /**< Virtual subnet ID. */
> +	uint8_t flow_id; /**< Flow ID. */
> +};
> +
> +/**
>   * Matching pattern item definition.
>   *
>   * A pattern is formed by stacking items starting from the lowest protocol
> 



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