Existing API supports AGE action to monitor the aging of a flow. This patch implements RFC [1], introducing the response format for query of an AGE action. Application will be able to query the AGE action state. The response will be returned in the format implemented here.
[1] https://mails.dpdk.org/archives/dev/2020-September/180061.html Signed-off-by: Dekel Peled <dek...@nvidia.com> Acked-by: Matan Azrad <ma...@nvidia.com> --- doc/guides/prog_guide/rte_flow.rst | 17 +++++++++++++++++ doc/guides/rel_notes/release_20_11.rst | 3 +++ lib/librte_ethdev/rte_flow.h | 14 ++++++++++++++ 3 files changed, 34 insertions(+) diff --git a/doc/guides/prog_guide/rte_flow.rst b/doc/guides/prog_guide/rte_flow.rst index 119b128..341e5ed 100644 --- a/doc/guides/prog_guide/rte_flow.rst +++ b/doc/guides/prog_guide/rte_flow.rst @@ -2666,6 +2666,23 @@ timeout passed without any matching on the flow. | ``context`` | user input flow context | +--------------+---------------------------------+ +Query structure to retrieve ageing status information of a +shared AGE action, or a flow rule using the AGE action: + +.. _table_rte_flow_query_age: + +.. table:: AGE query + + +-------------------------+-----+----------------------------------------+ + | Field | I/O | Value | + +=========================+=====+========================================+ + | ``aged`` | out | Aging timeout expired | + +-------------------------+-----+----------------------------------------+ + | ``last_hit_time_valid`` | out | ``sec_since_last_hit`` field is valid | + +-------------------------+-----+----------------------------------------+ + | ``sec_since_last_hit`` | out | Seconds since last traffic hit | + +-------------------------+-----+----------------------------------------+ + Negative types ~~~~~~~~~~~~~~ diff --git a/doc/guides/rel_notes/release_20_11.rst b/doc/guides/rel_notes/release_20_11.rst index 0b2a370..7e093f7 100644 --- a/doc/guides/rel_notes/release_20_11.rst +++ b/doc/guides/rel_notes/release_20_11.rst @@ -191,6 +191,9 @@ API Changes * ethdev: ``rte_eth_rx_descriptor_done()`` API has been deprecated. +* ethdev: Added struct ``rte_flow_query_age`` for use in response to query + of AGE action. + * Renamed internal ethdev APIs: * ``_rte_eth_dev_callback_process()`` -> ``rte_eth_dev_callback_process()`` diff --git a/lib/librte_ethdev/rte_flow.h b/lib/librte_ethdev/rte_flow.h index da8bfa5..129e4ab 100644 --- a/lib/librte_ethdev/rte_flow.h +++ b/lib/librte_ethdev/rte_flow.h @@ -2130,6 +2130,7 @@ enum rte_flow_action_type { * See struct rte_flow_action_age. * See function rte_flow_get_aged_flows * see enum RTE_ETH_EVENT_FLOW_AGED + * See struct rte_flow_query_age */ RTE_FLOW_ACTION_TYPE_AGE, }; @@ -2194,6 +2195,19 @@ struct rte_flow_action_age { }; /** + * RTE_FLOW_ACTION_TYPE_AGE (query) + * + * Query structure to retrieve the aging status information of a + * shared AGE action, or a flow rule using the AGE action. + */ +struct rte_flow_query_age { + uint32_t reserved:6; /**< Reserved, must be zero. */ + uint32_t aged:1; /**< 1 if aging timeout expired, 0 otherwise. */ + uint32_t last_hit_time_valid:1; /**< sec_since_last_hit value valid. */ + uint32_t sec_since_last_hit:24; /**< Seconds since last traffic hit. */ +}; + +/** * @warning * @b EXPERIMENTAL: this structure may change without prior notice * -- 1.8.3.1
