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CAT:NONE; SFS:(4636009)(36840700001)(46966006)(6286002)(6916009)(55016002)(508600001)(86362001)(70206006)(2616005)(6666004)(336012)(83380400001)(8936002)(2906002)(26005)(16526019)(36756003)(316002)(356005)(1076003)(4326008)(186003)(54906003)(5660300002)(47076005)(7696005)(70586007)(7636003)(8676002)(426003)(36860700001)(82310400003); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Oct 2021 13:00:40.0782 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: cf181ac0-69fa-4105-db44-08d99237498c X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.112.34]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT019.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR12MB3573 Subject: [dpdk-dev] [PATCH v8 3/6] app/testpmd: new parameter to enable shared Rx queue 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 Sender: "dev" Adds "--rxq-share=X" parameter to enable shared RxQ, share if device supports, otherwise fallback to standard RxQ. Share group number grows per X ports. X defaults to MAX, implies all ports join share group 1. Queue ID is mapped equally with shared Rx queue ID. Forwarding engine "shared-rxq" should be used which Rx only and update stream statistics correctly. Signed-off-by: Xueming Li --- app/test-pmd/config.c | 7 ++++++- app/test-pmd/parameters.c | 13 +++++++++++++ app/test-pmd/testpmd.c | 20 +++++++++++++++++--- app/test-pmd/testpmd.h | 2 ++ doc/guides/testpmd_app_ug/run_app.rst | 7 +++++++ 5 files changed, 45 insertions(+), 4 deletions(-) diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c index c0616dcd2fd..f8fb8961cae 100644 --- a/app/test-pmd/config.c +++ b/app/test-pmd/config.c @@ -2713,7 +2713,12 @@ rxtx_config_display(void) printf(" RX threshold registers: pthresh=%d hthresh=%d " " wthresh=%d\n", pthresh_tmp, hthresh_tmp, wthresh_tmp); - printf(" RX Offloads=0x%"PRIx64"\n", offloads_tmp); + printf(" RX Offloads=0x%"PRIx64, offloads_tmp); + if (rx_conf->share_group > 0) + printf(" share_group=%u share_qid=%u", + rx_conf->share_group, + rx_conf->share_qid); + printf("\n"); } /* per tx queue config only for first queue to be less verbose */ diff --git a/app/test-pmd/parameters.c b/app/test-pmd/parameters.c index 3f94a82e321..30dae326310 100644 --- a/app/test-pmd/parameters.c +++ b/app/test-pmd/parameters.c @@ -167,6 +167,7 @@ usage(char* progname) printf(" --tx-ip=src,dst: IP addresses in Tx-only mode\n"); printf(" --tx-udp=src[,dst]: UDP ports in Tx-only mode\n"); printf(" --eth-link-speed: force link speed.\n"); + printf(" --rxq-share: number of ports per shared rxq groups, defaults to MAX(1 group)\n"); printf(" --disable-link-check: disable check on link status when " "starting/stopping ports.\n"); printf(" --disable-device-start: do not automatically start port\n"); @@ -607,6 +608,7 @@ launch_args_parse(int argc, char** argv) { "rxpkts", 1, 0, 0 }, { "txpkts", 1, 0, 0 }, { "txonly-multi-flow", 0, 0, 0 }, + { "rxq-share", 2, 0, 0 }, { "eth-link-speed", 1, 0, 0 }, { "disable-link-check", 0, 0, 0 }, { "disable-device-start", 0, 0, 0 }, @@ -1271,6 +1273,17 @@ launch_args_parse(int argc, char** argv) } if (!strcmp(lgopts[opt_idx].name, "txonly-multi-flow")) txonly_multi_flow = 1; + if (!strcmp(lgopts[opt_idx].name, "rxq-share")) { + if (optarg == NULL) { + rxq_share = UINT32_MAX; + } else { + n = atoi(optarg); + if (n >= 0) + rxq_share = (uint32_t)n; + else + rte_exit(EXIT_FAILURE, "rxq-share must be >= 0\n"); + } + } if (!strcmp(lgopts[opt_idx].name, "no-flush-rx")) no_flush_rx = 1; if (!strcmp(lgopts[opt_idx].name, "eth-link-speed")) { diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c index 97ae52e17ec..123142ed110 100644 --- a/app/test-pmd/testpmd.c +++ b/app/test-pmd/testpmd.c @@ -498,6 +498,11 @@ uint8_t record_core_cycles; */ uint8_t record_burst_stats; +/* + * Number of ports per shared Rx queue group, 0 disable. + */ +uint32_t rxq_share; + unsigned int num_sockets = 0; unsigned int socket_ids[RTE_MAX_NUMA_NODES]; @@ -3393,14 +3398,23 @@ dev_event_callback(const char *device_name, enum rte_dev_event_type type, } static void -rxtx_port_config(struct rte_port *port) +rxtx_port_config(portid_t pid) { uint16_t qid; uint64_t offloads; + struct rte_port *port = &ports[pid]; for (qid = 0; qid < nb_rxq; qid++) { offloads = port->rx_conf[qid].offloads; port->rx_conf[qid] = port->dev_info.default_rxconf; + + if (rxq_share > 0 && + (port->dev_info.dev_capa & RTE_ETH_DEV_CAPA_RXQ_SHARE)) { + /* Non-zero share group to enable RxQ share. */ + port->rx_conf[qid].share_group = pid / rxq_share + 1; + port->rx_conf[qid].share_qid = qid; /* Equal mapping. */ + } + if (offloads != 0) port->rx_conf[qid].offloads = offloads; @@ -3558,7 +3572,7 @@ init_port_config(void) port->dev_conf.rxmode.mq_mode = ETH_MQ_RX_NONE; } - rxtx_port_config(port); + rxtx_port_config(pid); ret = eth_macaddr_get_print_err(pid, &port->eth_addr); if (ret != 0) @@ -3772,7 +3786,7 @@ init_port_dcb_config(portid_t pid, memcpy(&rte_port->dev_conf, &port_conf, sizeof(struct rte_eth_conf)); - rxtx_port_config(rte_port); + rxtx_port_config(pid); /* VLAN filter */ rte_port->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_FILTER; for (i = 0; i < RTE_DIM(vlan_tags); i++) diff --git a/app/test-pmd/testpmd.h b/app/test-pmd/testpmd.h index 5863b2f43f3..3dfaaad94c0 100644 --- a/app/test-pmd/testpmd.h +++ b/app/test-pmd/testpmd.h @@ -477,6 +477,8 @@ extern enum tx_pkt_split tx_pkt_split; extern uint8_t txonly_multi_flow; +extern uint32_t rxq_share; + extern uint16_t nb_pkt_per_burst; extern uint16_t nb_pkt_flowgen_clones; extern int nb_flows_flowgen; diff --git a/doc/guides/testpmd_app_ug/run_app.rst b/doc/guides/testpmd_app_ug/run_app.rst index 640eadeff73..ff5908dcd50 100644 --- a/doc/guides/testpmd_app_ug/run_app.rst +++ b/doc/guides/testpmd_app_ug/run_app.rst @@ -389,6 +389,13 @@ The command line options are: Generate multiple flows in txonly mode. +* ``--rxq-share=[X]`` + + Create queues in shared Rx queue mode if device supports. + Group number grows per X ports. X defaults to MAX, implies all ports + join share group 1. Forwarding engine "shared-rxq" should be used + which Rx only and update stream statistics correctly. + * ``--eth-link-speed`` Set a forced link speed to the ethernet port:: -- 2.33.0