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DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Feb 2023 15:48:36.3731 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9ebf56cd-c27d-4b74-a412-08db10fe6e84 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: DM6NAM11FT028.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4313 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 When multiple ports are aggregated into a single DPDK port, (example: Linux bonding, DPDK bonding, failsafe, etc.), we want to know which port is used for Rx and Tx. This patch allows to map a Rx queue with an aggregated port by using a flow rule. The new item is called RTE_FLOW_ITEM_TYPE_AGGR_AFFINITY. While uses the aggregated affinity as a matching item in the flow rule, and sets the same affinity value by call rte_eth_dev_map_aggr_tx_affinity(), then the packet can be sent from the same port as the receiving one. The affinity numbering starts from 1, then trying to match on aggr_affinity 0 will result in an error. Add the testpmd command line to match the new item: flow create 0 ingress group 0 pattern aggr_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 and redirects these packets into Rx queue 0. Signed-off-by: Jiawei Wang Acked-by: Thomas Monjalon --- app/test-pmd/cmdline_flow.c | 28 +++++++++++++++++ doc/guides/prog_guide/rte_flow.rst | 8 +++++ doc/guides/rel_notes/release_23_03.rst | 1 + doc/guides/testpmd_app_ug/testpmd_funcs.rst | 4 +++ lib/ethdev/rte_flow.c | 1 + lib/ethdev/rte_flow.h | 35 +++++++++++++++++++++ 6 files changed, 77 insertions(+) diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c index b74dabed8b..f1991a5a9a 100644 --- a/app/test-pmd/cmdline_flow.c +++ b/app/test-pmd/cmdline_flow.c @@ -494,6 +494,8 @@ enum index { ITEM_QUOTA, ITEM_QUOTA_STATE, ITEM_QUOTA_STATE_NAME, + ITEM_AGGR_AFFINITY, + ITEM_AGGR_AFFINITY_VALUE, /* Validate/create actions. */ ACTIONS, @@ -1449,6 +1451,7 @@ static const enum index next_item[] = { ITEM_PPP, ITEM_METER, ITEM_QUOTA, + ITEM_AGGR_AFFINITY, END_SET, ZERO, }; @@ -1944,6 +1947,12 @@ static const enum index item_quota[] = { ZERO, }; +static const enum index item_aggr_affinity[] = { + ITEM_AGGR_AFFINITY_VALUE, + ITEM_NEXT, + ZERO, +}; + static const enum index next_action[] = { ACTION_END, ACTION_VOID, @@ -6920,6 +6929,22 @@ static const struct token token_list[] = { ARGS_ENTRY(struct buffer, port)), .call = parse_mp, }, + [ITEM_AGGR_AFFINITY] = { + .name = "aggr_affinity", + .help = "match on the aggregated port receiving the packets", + .priv = PRIV_ITEM(AGGR_AFFINITY, + sizeof(struct rte_flow_item_aggr_affinity)), + .next = NEXT(item_aggr_affinity), + .call = parse_vc, + }, + [ITEM_AGGR_AFFINITY_VALUE] = { + .name = "affinity", + .help = "aggregated affinity value", + .next = NEXT(item_aggr_affinity, NEXT_ENTRY(COMMON_UNSIGNED), + item_param), + .args = ARGS(ARGS_ENTRY(struct rte_flow_item_aggr_affinity, + affinity)), + }, }; /** Remove and return last entry from argument stack. */ @@ -11821,6 +11846,9 @@ flow_item_default_mask(const struct rte_flow_item *item) case RTE_FLOW_ITEM_TYPE_IPV6_ROUTING_EXT: mask = &ipv6_routing_ext_default_mask; break; + case RTE_FLOW_ITEM_TYPE_AGGR_AFFINITY: + mask = &rte_flow_item_aggr_affinity_mask; + break; default: break; } diff --git a/doc/guides/prog_guide/rte_flow.rst b/doc/guides/prog_guide/rte_flow.rst index 7f6e0c3350..fff9e7b3e9 100644 --- a/doc/guides/prog_guide/rte_flow.rst +++ b/doc/guides/prog_guide/rte_flow.rst @@ -1543,6 +1543,14 @@ Matches flow quota state set by quota action. - ``state``: Flow quota state +Item: ``AGGR_AFFINITY`` +^^^^^^^^^^^^^^^^^^^^^^^ + +Matches on the aggregated port of the received packet. +In case of multiple aggregated ports, the affinity numbering starts from 1. + +- ``affinity``: Aggregated affinity. + Actions ~~~~~~~ diff --git a/doc/guides/rel_notes/release_23_03.rst b/doc/guides/rel_notes/release_23_03.rst index 97a9a56bc7..d678d28dc1 100644 --- a/doc/guides/rel_notes/release_23_03.rst +++ b/doc/guides/rel_notes/release_23_03.rst @@ -74,6 +74,7 @@ New Features to get the number of aggregated ports. * Introduced new function ``rte_eth_dev_map_aggr_tx_affinity()`` to map a Tx queue with an aggregated port of the DPDK port. + * Added Rx affinity flow matching of an aggregated port. * **Added flow matching of IPv6 routing extension.** diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst b/doc/guides/testpmd_app_ug/testpmd_funcs.rst index 1d3c372601..5a88933635 100644 --- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst +++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst @@ -3775,6 +3775,10 @@ This section lists supported pattern items and their attributes, if any. - ``color {value}``: meter color value (green/yellow/red). +- ``aggr_affinity``: match aggregated port. + + - ``affinity {value}``: aggregated port (starts from 1). + - ``send_to_kernel``: send packets to kernel. diff --git a/lib/ethdev/rte_flow.c b/lib/ethdev/rte_flow.c index e21e32a4af..69e6e749f7 100644 --- a/lib/ethdev/rte_flow.c +++ b/lib/ethdev/rte_flow.c @@ -163,6 +163,7 @@ static const struct rte_flow_desc_data rte_flow_desc_item[] = { MK_FLOW_ITEM(METER_COLOR, sizeof(struct rte_flow_item_meter_color)), MK_FLOW_ITEM(IPV6_ROUTING_EXT, sizeof(struct rte_flow_item_ipv6_routing_ext)), MK_FLOW_ITEM(QUOTA, sizeof(struct rte_flow_item_quota)), + MK_FLOW_ITEM(AGGR_AFFINITY, sizeof(struct rte_flow_item_aggr_affinity)), }; /** Generate flow_action[] entry. */ diff --git a/lib/ethdev/rte_flow.h b/lib/ethdev/rte_flow.h index 362d297790..119defa438 100644 --- a/lib/ethdev/rte_flow.h +++ b/lib/ethdev/rte_flow.h @@ -663,6 +663,15 @@ enum rte_flow_item_type { * @see struct rte_flow_item_quota */ RTE_FLOW_ITEM_TYPE_QUOTA, + + /** + * Matches on the aggregated port of the received packet. + * Used in case multiple ports are aggregated to the a DPDK port. + * First port is number 1. + * + * @see struct rte_flow_item_aggr_affinity. + */ + RTE_FLOW_ITEM_TYPE_AGGR_AFFINITY, }; /** @@ -2225,6 +2234,32 @@ 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_AGGR_AFFINITY + * + * For multiple ports aggregated to a single DPDK port, + * match the aggregated port receiving the packets. + */ +struct rte_flow_item_aggr_affinity { + /** + * An aggregated port receiving the packets. + * Numbering starts from 1. + * Number of aggregated ports is reported by rte_eth_dev_count_aggr_ports(). + */ + uint8_t affinity; +}; + +/** Default mask for RTE_FLOW_ITEM_TYPE_AGGR_AFFINITY. */ +#ifndef __cplusplus +static const struct rte_flow_item_aggr_affinity +rte_flow_item_aggr_affinity_mask = { + .affinity = 0xff, +}; +#endif + /** * Action types. * -- 2.18.1