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Mon, 11 Sep 2023 00:41:56 -0700 From: Michael Baum To: CC: Ori Kam , Aman Singh , "Yuying Zhang" , Ferruh Yigit , "Thomas Monjalon" Subject: [PATCH v2 1/2] ethdev: add random item support Date: Mon, 11 Sep 2023 10:41:48 +0300 Message-ID: <20230911074149.697944-2-michaelba@nvidia.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230911074149.697944-1-michaelba@nvidia.com> References: <20230822090505.3242455-1-michaelba@nvidia.com> <20230911074149.697944-1-michaelba@nvidia.com> MIME-Version: 1.0 X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF000252A3:EE_|LV3PR12MB9165:EE_ X-MS-Office365-Filtering-Correlation-Id: faacfccf-f8fb-41a6-09d7-08dbb29a9a74 X-LD-Processed: 43083d15-7273-40c1-b7db-39efd9ccc17a,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.161; 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This item enables to match on some random value as a part of flow rule. Signed-off-by: Michael Baum --- doc/guides/nics/features/default.ini | 1 + doc/guides/prog_guide/rte_flow.rst | 11 +++++++++ doc/guides/rel_notes/release_23_11.rst | 4 ++++ lib/ethdev/rte_flow.c | 1 + lib/ethdev/rte_flow.h | 33 ++++++++++++++++++++++++++ 5 files changed, 50 insertions(+) diff --git a/doc/guides/nics/features/default.ini b/doc/guides/nics/features/default.ini index 2011e97127..0a790dafe8 100644 --- a/doc/guides/nics/features/default.ini +++ b/doc/guides/nics/features/default.ini @@ -139,6 +139,7 @@ pppoes = pppoe_proto_id = quota = raw = +random = represented_port = sctp = tag = diff --git a/doc/guides/prog_guide/rte_flow.rst b/doc/guides/prog_guide/rte_flow.rst index 5bc998a433..5ad699dff7 100644 --- a/doc/guides/prog_guide/rte_flow.rst +++ b/doc/guides/prog_guide/rte_flow.rst @@ -1566,6 +1566,17 @@ Matches an InfiniBand base transport header in RoCE packet. - ``hdr``: InfiniBand base transport header definition (``rte_ib.h``). +Item: ``RANDOM`` +^^^^^^^^^^^^^^^^ + +Matches a random value. + +This value is not based on the packet data/headers. +Application shouldn't assume that this value is kept during the life time of +the packet. + +- ``value``: Random value. + Actions ~~~~~~~ diff --git a/doc/guides/rel_notes/release_23_11.rst b/doc/guides/rel_notes/release_23_11.rst index 333e1d95a2..bcd71138cb 100644 --- a/doc/guides/rel_notes/release_23_11.rst +++ b/doc/guides/rel_notes/release_23_11.rst @@ -78,6 +78,10 @@ New Features * build: Optional libraries can now be selected with the new ``enable_libs`` build option similarly to the existing ``enable_drivers`` build option. +* **Added flow matching of random value.** + + Added ``RTE_FLOW_ITEM_RANDOM`` to match random value. + Removed Items ------------- diff --git a/lib/ethdev/rte_flow.c b/lib/ethdev/rte_flow.c index 271d854f78..51db3e5aec 100644 --- a/lib/ethdev/rte_flow.c +++ b/lib/ethdev/rte_flow.c @@ -136,6 +136,7 @@ static const struct rte_flow_desc_data rte_flow_desc_item[] = { sizeof(struct rte_flow_item_icmp6_nd_opt_tla_eth)), MK_FLOW_ITEM(MARK, sizeof(struct rte_flow_item_mark)), MK_FLOW_ITEM(META, sizeof(struct rte_flow_item_meta)), + MK_FLOW_ITEM(RANDOM, sizeof(struct rte_flow_item_random)), MK_FLOW_ITEM(TAG, sizeof(struct rte_flow_item_tag)), MK_FLOW_ITEM(GRE_KEY, sizeof(rte_be32_t)), MK_FLOW_ITEM(GRE_OPTION, sizeof(struct rte_flow_item_gre_opt)), diff --git a/lib/ethdev/rte_flow.h b/lib/ethdev/rte_flow.h index 2ebb76dbc0..b5228b293c 100644 --- a/lib/ethdev/rte_flow.h +++ b/lib/ethdev/rte_flow.h @@ -688,6 +688,19 @@ enum rte_flow_item_type { * @see struct rte_flow_item_ib_bth. */ RTE_FLOW_ITEM_TYPE_IB_BTH, + + /** + * [META] + * + * Matches a random value. + * + * This value is not based on the packet data/headers. + * Application shouldn't assume that this value is kept during the life + * time of the packet. + * + * @see struct rte_flow_item_random. + */ + RTE_FLOW_ITEM_TYPE_RANDOM, }; /** @@ -2031,6 +2044,25 @@ static const struct rte_flow_item_ib_bth rte_flow_item_ib_bth_mask = { }; #endif +/** + * @warning + * @b EXPERIMENTAL: this structure may change without prior notice + * + * RTE_FLOW_ITEM_TYPE_RANDOM + * + * Matches a random value. + */ +struct rte_flow_item_random { + uint32_t value; +}; + +/** Default mask for RTE_FLOW_ITEM_TYPE_RANDOM. */ +#ifndef __cplusplus +static const struct rte_flow_item_random rte_flow_item_random_mask = { + .value = UINT32_MAX, +}; +#endif + /** * Matching pattern item definition. * @@ -3875,6 +3907,7 @@ enum rte_flow_field_id { RTE_FLOW_FIELD_GENEVE_OPT_CLASS,/**< GENEVE option class. */ RTE_FLOW_FIELD_GENEVE_OPT_DATA, /**< GENEVE option data. */ RTE_FLOW_FIELD_MPLS, /**< MPLS header. */ + RTE_FLOW_FIELD_RANDOM /**< Random value. */ }; /**