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DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Feb 2023 05:08:09.2048 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b5d23bf5-d590-4859-9ca1-08db05a4a467 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.160]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT116.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB8521 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org For the multiple hardware ports connect to a single DPDK port (mhpsdp), currently, there is no information to indicate the packet belongs to which hardware port. Introduce a new phy affinity item in RTE flow API, and the phy affinity value reflects the physical port of the received packets. While uses the phy affinity as a matching item in the flow, and sets the same phy_affinity value on the Tx queue, then the packet can be sent from the same hardware port with received. If tx_phy_affinity 0 is disabled then try to match on phy_affinity 0 will result in an error. Add the testpmd command line to match the new item: flow create 0 ingress group 0 pattern phy_affinity affinity is 1 / end actions queue index 0 / end The above command means that creates a flow on a single DPDK port and matches the packet from the first physical port (assume the phy affinity 1 stands for the first port) and redirects these packets into RxQ 0. Signed-off-by: Jiawei Wang Acked-by: Ori Kam --- app/test-pmd/cmdline_flow.c | 29 ++++++++++++++++++ doc/guides/prog_guide/rte_flow.rst | 8 +++++ doc/guides/rel_notes/release_23_03.rst | 6 ++++ doc/guides/testpmd_app_ug/testpmd_funcs.rst | 4 +++ lib/ethdev/rte_flow.c | 1 + lib/ethdev/rte_flow.h | 33 +++++++++++++++++++++ 6 files changed, 81 insertions(+) diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c index 88108498e0..a6d4615038 100644 --- a/app/test-pmd/cmdline_flow.c +++ b/app/test-pmd/cmdline_flow.c @@ -465,6 +465,8 @@ enum index { ITEM_METER, ITEM_METER_COLOR, ITEM_METER_COLOR_NAME, + ITEM_PHY_AFFINITY, + ITEM_PHY_AFFINITY_VALUE, /* Validate/create actions. */ ACTIONS, @@ -1355,6 +1357,7 @@ static const enum index next_item[] = { ITEM_L2TPV2, ITEM_PPP, ITEM_METER, + ITEM_PHY_AFFINITY, END_SET, ZERO, }; @@ -1821,6 +1824,12 @@ static const enum index item_meter[] = { ZERO, }; +static const enum index item_phy_affinity[] = { + ITEM_PHY_AFFINITY_VALUE, + ITEM_NEXT, + ZERO, +}; + static const enum index next_action[] = { ACTION_END, ACTION_VOID, @@ -6443,6 +6452,23 @@ static const struct token token_list[] = { ARGS_ENTRY(struct buffer, port)), .call = parse_mp, }, + [ITEM_PHY_AFFINITY] = { + .name = "phy_affinity", + .help = "match on the physical affinity of the" + " received packet.", + .priv = PRIV_ITEM(PHY_AFFINITY, + sizeof(struct rte_flow_item_phy_affinity)), + .next = NEXT(item_phy_affinity), + .call = parse_vc, + }, + [ITEM_PHY_AFFINITY_VALUE] = { + .name = "affinity", + .help = "physical affinity value", + .next = NEXT(item_phy_affinity, NEXT_ENTRY(COMMON_UNSIGNED), + item_param), + .args = ARGS(ARGS_ENTRY(struct rte_flow_item_phy_affinity, + affinity)), + }, }; /** Remove and return last entry from argument stack. */ @@ -10981,6 +11007,9 @@ flow_item_default_mask(const struct rte_flow_item *item) case RTE_FLOW_ITEM_TYPE_METER_COLOR: mask = &rte_flow_item_meter_color_mask; break; + case RTE_FLOW_ITEM_TYPE_PHY_AFFINITY: + mask = &rte_flow_item_phy_affinity_mask; + break; default: break; } diff --git a/doc/guides/prog_guide/rte_flow.rst b/doc/guides/prog_guide/rte_flow.rst index 3e6242803d..3b4e8923dc 100644 --- a/doc/guides/prog_guide/rte_flow.rst +++ b/doc/guides/prog_guide/rte_flow.rst @@ -1544,6 +1544,14 @@ Matches Color Marker set by a Meter. - ``color``: Metering color marker. +Item: ``PHY_AFFINITY`` +^^^^^^^^^^^^^^^^^^^^^^ + +Matches on the physical affinity of the received packet, the physical port +in the group of physical ports connected to a single DPDK port. + +- ``affinity``: Physical affinity. + Actions ~~~~~~~ diff --git a/doc/guides/rel_notes/release_23_03.rst b/doc/guides/rel_notes/release_23_03.rst index c15f6fbb9f..029b57316c 100644 --- a/doc/guides/rel_notes/release_23_03.rst +++ b/doc/guides/rel_notes/release_23_03.rst @@ -69,6 +69,12 @@ New Features ``rte_event_dev_config::nb_single_link_event_port_queues`` parameter required for eth_rx, eth_tx, crypto and timer eventdev adapters. +* **Added rte_flow support for matching PHY affinity fields.** + + For the multiple hardware ports connect to a single DPDK port (mhpsdp), + Added ``phy_affinity`` item in rte_flow to support physical affinity of + the packets. + Removed Items ------------- diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst b/doc/guides/testpmd_app_ug/testpmd_funcs.rst index 856fb55005..e9f20607a2 100644 --- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst +++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst @@ -3725,6 +3725,10 @@ This section lists supported pattern items and their attributes, if any. - ``color {value}``: meter color value (green/yellow/red). +- ``phy_affinity``: match physical affinity. + + - ``affinity {value}``: physical affinity value. + - ``send_to_kernel``: send packets to kernel. diff --git a/lib/ethdev/rte_flow.c b/lib/ethdev/rte_flow.c index 7d0c24366c..0c2d3b679b 100644 --- a/lib/ethdev/rte_flow.c +++ b/lib/ethdev/rte_flow.c @@ -157,6 +157,7 @@ static const struct rte_flow_desc_data rte_flow_desc_item[] = { MK_FLOW_ITEM(L2TPV2, sizeof(struct rte_flow_item_l2tpv2)), MK_FLOW_ITEM(PPP, sizeof(struct rte_flow_item_ppp)), MK_FLOW_ITEM(METER_COLOR, sizeof(struct rte_flow_item_meter_color)), + MK_FLOW_ITEM(PHY_AFFINITY, sizeof(struct rte_flow_item_phy_affinity)), }; /** Generate flow_action[] entry. */ diff --git a/lib/ethdev/rte_flow.h b/lib/ethdev/rte_flow.h index b60987db4b..785a56a405 100644 --- a/lib/ethdev/rte_flow.h +++ b/lib/ethdev/rte_flow.h @@ -624,6 +624,13 @@ enum rte_flow_item_type { * See struct rte_flow_item_meter_color. */ RTE_FLOW_ITEM_TYPE_METER_COLOR, + + /** + * Matches on the physical affinity of the received packet. + * + * @see struct rte_flow_item_phy_affinity. + */ + RTE_FLOW_ITEM_TYPE_PHY_AFFINITY, }; /** @@ -2103,6 +2110,32 @@ static const struct rte_flow_item_meter_color rte_flow_item_meter_color_mask = { }; #endif +/** + * @warning + * @b EXPERIMENTAL: this structure may change without prior notice + * + * RTE_FLOW_ITEM_TYPE_PHY_AFFINITY + * + * For the multiple hardware ports connect to a single DPDK port (mhpsdp), + * use this item to match the physical affinity of the packets. + */ +struct rte_flow_item_phy_affinity { + uint8_t affinity; + /** + * Affinity defines the phy affinity value to match the physical + * port of received packet. The value starts from 1 and uses 1 to + * match the first physical port. + */ +}; + +/** Default mask for RTE_FLOW_ITEM_TYPE_PHY_AFFINITY. */ +#ifndef __cplusplus +static const struct rte_flow_item_phy_affinity +rte_flow_item_phy_affinity_mask = { + .affinity = 0xff, +}; +#endif + /** * Action types. * -- 2.18.1