From 81fb40f95c829baa0754ac57c9ead7777cac392b Mon Sep 17 00:00:00 2001 From: Pavan Nikhilesh Date: Wed, 10 Jan 2018 16:40:02 +0530 Subject: [PATCH] examples/eventdev: add generic worker pipeline Rename existing pipeline as generic worker pipeline. Signed-off-by: Pavan Nikhilesh Acked-by: Harry van Haaren --- examples/eventdev_pipeline_sw_pmd/Makefile | 1 + examples/eventdev_pipeline_sw_pmd/main.c | 440 +----------------- .../pipeline_common.h | 53 +++ .../pipeline_worker_generic.c | 398 ++++++++++++++++ 4 files changed, 466 insertions(+), 426 deletions(-) create mode 100644 examples/eventdev_pipeline_sw_pmd/pipeline_worker_generic.c diff --git a/examples/eventdev_pipeline_sw_pmd/Makefile b/examples/eventdev_pipeline_sw_pmd/Makefile index 241d0c141b..f2578da059 100644 --- a/examples/eventdev_pipeline_sw_pmd/Makefile +++ b/examples/eventdev_pipeline_sw_pmd/Makefile @@ -15,6 +15,7 @@ APP = eventdev_pipeline_sw_pmd # all source are stored in SRCS-y SRCS-y := main.c +SRCS-y += pipeline_worker_generic.c CFLAGS += -O3 CFLAGS += $(WERROR_FLAGS) diff --git a/examples/eventdev_pipeline_sw_pmd/main.c b/examples/eventdev_pipeline_sw_pmd/main.c index fc445a14d3..5635fc5092 100644 --- a/examples/eventdev_pipeline_sw_pmd/main.c +++ b/examples/eventdev_pipeline_sw_pmd/main.c @@ -40,179 +40,6 @@ eth_tx_buffer_retry(struct rte_mbuf **pkts, uint16_t unsent, } while (_sent != unsent); } -static int -consumer(void) -{ - const uint64_t freq_khz = rte_get_timer_hz() / 1000; - struct rte_event packets[BATCH_SIZE]; - - static uint64_t received; - static uint64_t last_pkts; - static uint64_t last_time; - static uint64_t start_time; - unsigned int i, j; - uint8_t dev_id = cons_data.dev_id; - uint8_t port_id = cons_data.port_id; - - uint16_t n = rte_event_dequeue_burst(dev_id, port_id, - packets, RTE_DIM(packets), 0); - - if (n == 0) { - for (j = 0; j < rte_eth_dev_count(); j++) - rte_eth_tx_buffer_flush(j, 0, fdata->tx_buf[j]); - return 0; - } - if (start_time == 0) - last_time = start_time = rte_get_timer_cycles(); - - received += n; - for (i = 0; i < n; i++) { - uint8_t outport = packets[i].mbuf->port; - rte_eth_tx_buffer(outport, 0, fdata->tx_buf[outport], - packets[i].mbuf); - - packets[i].op = RTE_EVENT_OP_RELEASE; - } - - if (cons_data.release) { - uint16_t nb_tx; - - nb_tx = rte_event_enqueue_burst(dev_id, port_id, packets, n); - while (nb_tx < n) - nb_tx += rte_event_enqueue_burst(dev_id, port_id, - packets + nb_tx, - n - nb_tx); - } - - /* Print out mpps every 1<22 packets */ - if (!cdata.quiet && received >= last_pkts + (1<<22)) { - const uint64_t now = rte_get_timer_cycles(); - const uint64_t total_ms = (now - start_time) / freq_khz; - const uint64_t delta_ms = (now - last_time) / freq_khz; - uint64_t delta_pkts = received - last_pkts; - - printf("# consumer RX=%"PRIu64", time %"PRIu64 "ms, " - "avg %.3f mpps [current %.3f mpps]\n", - received, - total_ms, - received / (total_ms * 1000.0), - delta_pkts / (delta_ms * 1000.0)); - last_pkts = received; - last_time = now; - } - - cdata.num_packets -= n; - if (cdata.num_packets <= 0) - fdata->done = 1; - - return 0; -} - -static inline void -schedule_devices(unsigned int lcore_id) -{ - if (fdata->rx_core[lcore_id]) { - rte_service_run_iter_on_app_lcore(fdata->rxadptr_service_id, - !fdata->rx_single); - } - - if (fdata->sched_core[lcore_id]) { - rte_service_run_iter_on_app_lcore(fdata->evdev_service_id, - !fdata->sched_single); - if (cdata.dump_dev_signal) { - rte_event_dev_dump(0, stdout); - cdata.dump_dev_signal = 0; - } - } - - if (fdata->tx_core[lcore_id] && (fdata->tx_single || - rte_atomic32_cmpset(&(fdata->tx_lock), 0, 1))) { - consumer(); - rte_atomic32_clear((rte_atomic32_t *)&(fdata->tx_lock)); - } -} - -static inline void -work(struct rte_mbuf *m) -{ - struct ether_hdr *eth; - struct ether_addr addr; - - /* change mac addresses on packet (to use mbuf data) */ - /* - * FIXME Swap mac address properly and also handle the - * case for both odd and even number of stages that the - * addresses end up the same at the end of the pipeline - */ - eth = rte_pktmbuf_mtod(m, struct ether_hdr *); - ether_addr_copy(ð->d_addr, &addr); - ether_addr_copy(&addr, ð->d_addr); - - /* do a number of cycles of work per packet */ - volatile uint64_t start_tsc = rte_rdtsc(); - while (rte_rdtsc() < start_tsc + cdata.worker_cycles) - rte_pause(); -} - -static int -worker(void *arg) -{ - struct rte_event events[BATCH_SIZE]; - - struct worker_data *data = (struct worker_data *)arg; - uint8_t dev_id = data->dev_id; - uint8_t port_id = data->port_id; - size_t sent = 0, received = 0; - unsigned int lcore_id = rte_lcore_id(); - - while (!fdata->done) { - uint16_t i; - - schedule_devices(lcore_id); - - if (!fdata->worker_core[lcore_id]) { - rte_pause(); - continue; - } - - const uint16_t nb_rx = rte_event_dequeue_burst(dev_id, port_id, - events, RTE_DIM(events), 0); - - if (nb_rx == 0) { - rte_pause(); - continue; - } - received += nb_rx; - - for (i = 0; i < nb_rx; i++) { - - /* The first worker stage does classification */ - if (events[i].queue_id == cdata.qid[0]) - events[i].flow_id = events[i].mbuf->hash.rss - % cdata.num_fids; - - events[i].queue_id = cdata.next_qid[events[i].queue_id]; - events[i].op = RTE_EVENT_OP_FORWARD; - events[i].sched_type = cdata.queue_type; - - work(events[i].mbuf); - } - uint16_t nb_tx = rte_event_enqueue_burst(dev_id, port_id, - events, nb_rx); - while (nb_tx < nb_rx && !fdata->done) - nb_tx += rte_event_enqueue_burst(dev_id, port_id, - events + nb_tx, - nb_rx - nb_tx); - sent += nb_tx; - } - - if (!cdata.quiet) - printf(" worker %u thread done. RX=%zu TX=%zu\n", - rte_lcore_id(), received, sent); - - return 0; -} - /* * Parse the coremask given as argument (hexadecimal string) and fill * the global configuration (core role and core count) with the parsed @@ -425,70 +252,6 @@ parse_app_args(int argc, char **argv) } } -static inline void -init_rx_adapter(uint16_t nb_ports) -{ - int i; - int ret; - uint8_t evdev_id = 0; - struct rte_event_dev_info dev_info; - - ret = rte_event_dev_info_get(evdev_id, &dev_info); - - struct rte_event_port_conf rx_p_conf = { - .dequeue_depth = 8, - .enqueue_depth = 8, - .new_event_threshold = 1200, - }; - - if (rx_p_conf.dequeue_depth > dev_info.max_event_port_dequeue_depth) - rx_p_conf.dequeue_depth = dev_info.max_event_port_dequeue_depth; - if (rx_p_conf.enqueue_depth > dev_info.max_event_port_enqueue_depth) - rx_p_conf.enqueue_depth = dev_info.max_event_port_enqueue_depth; - - ret = rte_event_eth_rx_adapter_create(cdata.rx_adapter_id, evdev_id, - &rx_p_conf); - if (ret) - rte_exit(EXIT_FAILURE, "failed to create rx adapter[%d]", - cdata.rx_adapter_id); - - struct rte_event_eth_rx_adapter_queue_conf queue_conf = { - .ev.sched_type = cdata.queue_type, - .ev.queue_id = cdata.qid[0], - }; - - for (i = 0; i < nb_ports; i++) { - uint32_t cap; - - ret = rte_event_eth_rx_adapter_caps_get(evdev_id, i, &cap); - if (ret) - rte_exit(EXIT_FAILURE, - "failed to get event rx adapter " - "capabilities"); - - ret = rte_event_eth_rx_adapter_queue_add(cdata.rx_adapter_id, i, - -1, &queue_conf); - if (ret) - rte_exit(EXIT_FAILURE, - "Failed to add queues to Rx adapter"); - } - - ret = rte_event_eth_rx_adapter_service_id_get(cdata.rx_adapter_id, - &fdata->rxadptr_service_id); - if (ret != -ESRCH && ret != 0) { - rte_exit(EXIT_FAILURE, - "Error getting the service ID for Rx adapter\n"); - } - rte_service_runstate_set(fdata->rxadptr_service_id, 1); - rte_service_set_runstate_mapped_check(fdata->rxadptr_service_id, 0); - - ret = rte_event_eth_rx_adapter_start(cdata.rx_adapter_id); - if (ret) - rte_exit(EXIT_FAILURE, "Rx adapter[%d] start failed", - cdata.rx_adapter_id); - -} - /* * Initializes a given port using global settings and with the RX buffers * coming from the mbuf_pool passed as a parameter. @@ -604,191 +367,12 @@ init_ports(unsigned int num_ports) return 0; } -struct port_link { - uint8_t queue_id; - uint8_t priority; -}; - -static int -setup_eventdev(struct cons_data *cons_data, - struct worker_data *worker_data) +static void +do_capability_setup(uint16_t nb_ethdev, uint8_t eventdev_id) { - const uint8_t dev_id = 0; - /* +1 stages is for a SINGLE_LINK TX stage */ - const uint8_t nb_queues = cdata.num_stages + 1; - /* + 1 for consumer */ - const uint8_t nb_ports = cdata.num_workers + 1; - struct rte_event_dev_config config = { - .nb_event_queues = nb_queues, - .nb_event_ports = nb_ports, - .nb_events_limit = 4096, - .nb_event_queue_flows = 1024, - .nb_event_port_dequeue_depth = 128, - .nb_event_port_enqueue_depth = 128, - }; - struct rte_event_port_conf wkr_p_conf = { - .dequeue_depth = cdata.worker_cq_depth, - .enqueue_depth = 64, - .new_event_threshold = 4096, - }; - struct rte_event_queue_conf wkr_q_conf = { - .schedule_type = cdata.queue_type, - .priority = RTE_EVENT_DEV_PRIORITY_NORMAL, - .nb_atomic_flows = 1024, - .nb_atomic_order_sequences = 1024, - }; - struct rte_event_port_conf tx_p_conf = { - .dequeue_depth = 128, - .enqueue_depth = 128, - .new_event_threshold = 4096, - }; - const struct rte_event_queue_conf tx_q_conf = { - .priority = RTE_EVENT_DEV_PRIORITY_HIGHEST, - .event_queue_cfg = RTE_EVENT_QUEUE_CFG_SINGLE_LINK, - }; - - struct port_link worker_queues[MAX_NUM_STAGES]; - uint8_t disable_implicit_release; - struct port_link tx_queue; - unsigned int i; - - int ret, ndev = rte_event_dev_count(); - if (ndev < 1) { - printf("%d: No Eventdev Devices Found\n", __LINE__); - return -1; - } - - struct rte_event_dev_info dev_info; - ret = rte_event_dev_info_get(dev_id, &dev_info); - printf("\tEventdev %d: %s\n", dev_id, dev_info.driver_name); - - disable_implicit_release = (dev_info.event_dev_cap & - RTE_EVENT_DEV_CAP_IMPLICIT_RELEASE_DISABLE); - - wkr_p_conf.disable_implicit_release = disable_implicit_release; - tx_p_conf.disable_implicit_release = disable_implicit_release; - - if (dev_info.max_event_port_dequeue_depth < - config.nb_event_port_dequeue_depth) - config.nb_event_port_dequeue_depth = - dev_info.max_event_port_dequeue_depth; - if (dev_info.max_event_port_enqueue_depth < - config.nb_event_port_enqueue_depth) - config.nb_event_port_enqueue_depth = - dev_info.max_event_port_enqueue_depth; - - ret = rte_event_dev_configure(dev_id, &config); - if (ret < 0) { - printf("%d: Error configuring device\n", __LINE__); - return -1; - } - - /* Q creation - one load balanced per pipeline stage*/ - printf(" Stages:\n"); - for (i = 0; i < cdata.num_stages; i++) { - if (rte_event_queue_setup(dev_id, i, &wkr_q_conf) < 0) { - printf("%d: error creating qid %d\n", __LINE__, i); - return -1; - } - cdata.qid[i] = i; - cdata.next_qid[i] = i+1; - worker_queues[i].queue_id = i; - if (cdata.enable_queue_priorities) { - /* calculate priority stepping for each stage, leaving - * headroom of 1 for the SINGLE_LINK TX below - */ - const uint32_t prio_delta = - (RTE_EVENT_DEV_PRIORITY_LOWEST-1) / nb_queues; - - /* higher priority for queues closer to tx */ - wkr_q_conf.priority = - RTE_EVENT_DEV_PRIORITY_LOWEST - prio_delta * i; - } - - const char *type_str = "Atomic"; - switch (wkr_q_conf.schedule_type) { - case RTE_SCHED_TYPE_ORDERED: - type_str = "Ordered"; - break; - case RTE_SCHED_TYPE_PARALLEL: - type_str = "Parallel"; - break; - } - printf("\tStage %d, Type %s\tPriority = %d\n", i, type_str, - wkr_q_conf.priority); - } - printf("\n"); - - /* final queue for sending to TX core */ - if (rte_event_queue_setup(dev_id, i, &tx_q_conf) < 0) { - printf("%d: error creating qid %d\n", __LINE__, i); - return -1; - } - tx_queue.queue_id = i; - tx_queue.priority = RTE_EVENT_DEV_PRIORITY_HIGHEST; - - if (wkr_p_conf.dequeue_depth > config.nb_event_port_dequeue_depth) - wkr_p_conf.dequeue_depth = config.nb_event_port_dequeue_depth; - if (wkr_p_conf.enqueue_depth > config.nb_event_port_enqueue_depth) - wkr_p_conf.enqueue_depth = config.nb_event_port_enqueue_depth; - - /* set up one port per worker, linking to all stage queues */ - for (i = 0; i < cdata.num_workers; i++) { - struct worker_data *w = &worker_data[i]; - w->dev_id = dev_id; - if (rte_event_port_setup(dev_id, i, &wkr_p_conf) < 0) { - printf("Error setting up port %d\n", i); - return -1; - } - - uint32_t s; - for (s = 0; s < cdata.num_stages; s++) { - if (rte_event_port_link(dev_id, i, - &worker_queues[s].queue_id, - &worker_queues[s].priority, - 1) != 1) { - printf("%d: error creating link for port %d\n", - __LINE__, i); - return -1; - } - } - w->port_id = i; - } - - if (tx_p_conf.dequeue_depth > config.nb_event_port_dequeue_depth) - tx_p_conf.dequeue_depth = config.nb_event_port_dequeue_depth; - if (tx_p_conf.enqueue_depth > config.nb_event_port_enqueue_depth) - tx_p_conf.enqueue_depth = config.nb_event_port_enqueue_depth; - - /* port for consumer, linked to TX queue */ - if (rte_event_port_setup(dev_id, i, &tx_p_conf) < 0) { - printf("Error setting up port %d\n", i); - return -1; - } - if (rte_event_port_link(dev_id, i, &tx_queue.queue_id, - &tx_queue.priority, 1) != 1) { - printf("%d: error creating link for port %d\n", - __LINE__, i); - return -1; - } - *cons_data = (struct cons_data){.dev_id = dev_id, - .port_id = i, - .release = disable_implicit_release }; - - ret = rte_event_dev_service_id_get(dev_id, - &fdata->evdev_service_id); - if (ret != -ESRCH && ret != 0) { - printf("Error getting the service ID for sw eventdev\n"); - return -1; - } - rte_service_runstate_set(fdata->evdev_service_id, 1); - rte_service_set_runstate_mapped_check(fdata->evdev_service_id, 0); - if (rte_event_dev_start(dev_id) < 0) { - printf("Error starting eventdev\n"); - return -1; - } - - return dev_id; + RTE_SET_USED(nb_ethdev); + RTE_SET_USED(eventdev_id); + set_worker_generic_setup_data(&fdata->cap, 1); } static void @@ -869,17 +453,21 @@ main(int argc, char **argv) if (ndevs > 1) fprintf(stderr, "Warning: More than one eventdev, using idx 0"); + + do_capability_setup(num_ports, 0); + fdata->cap.check_opt(); + worker_data = rte_calloc(0, cdata.num_workers, sizeof(worker_data[0]), 0); if (worker_data == NULL) rte_panic("rte_calloc failed\n"); - int dev_id = setup_eventdev(&cons_data, worker_data); + int dev_id = fdata->cap.evdev_setup(&cons_data, worker_data); if (dev_id < 0) rte_exit(EXIT_FAILURE, "Error setting up eventdev\n"); init_ports(num_ports); - init_rx_adapter(num_ports); + fdata->cap.adptr_setup(num_ports); int worker_idx = 0; RTE_LCORE_FOREACH_SLAVE(lcore_id) { @@ -912,8 +500,8 @@ main(int argc, char **argv) __func__, lcore_id, worker_data[worker_idx].port_id); - err = rte_eal_remote_launch(worker, &worker_data[worker_idx], - lcore_id); + err = rte_eal_remote_launch(fdata->cap.worker, + &worker_data[worker_idx], lcore_id); if (err) { rte_panic("Failed to launch worker on core %d\n", lcore_id); @@ -926,7 +514,7 @@ main(int argc, char **argv) lcore_id = rte_lcore_id(); if (core_in_use(lcore_id)) - worker(&worker_data[worker_idx++]); + fdata->cap.worker(&worker_data[worker_idx++]); rte_eal_mp_wait_lcore(); diff --git a/examples/eventdev_pipeline_sw_pmd/pipeline_common.h b/examples/eventdev_pipeline_sw_pmd/pipeline_common.h index 00721ea94e..379ba9d4b8 100644 --- a/examples/eventdev_pipeline_sw_pmd/pipeline_common.h +++ b/examples/eventdev_pipeline_sw_pmd/pipeline_common.h @@ -84,7 +84,60 @@ struct config_data { uint8_t rx_adapter_id; }; +struct port_link { + uint8_t queue_id; + uint8_t priority; +}; + struct cons_data cons_data; struct fastpath_data *fdata; struct config_data cdata; + +static __rte_always_inline void +work(struct rte_mbuf *m) +{ + struct ether_hdr *eth; + struct ether_addr addr; + + /* change mac addresses on packet (to use mbuf data) */ + /* + * FIXME Swap mac address properly and also handle the + * case for both odd and even number of stages that the + * addresses end up the same at the end of the pipeline + */ + eth = rte_pktmbuf_mtod(m, struct ether_hdr *); + ether_addr_copy(ð->d_addr, &addr); + ether_addr_copy(&addr, ð->d_addr); + + /* do a number of cycles of work per packet */ + volatile uint64_t start_tsc = rte_rdtsc(); + while (rte_rdtsc() < start_tsc + cdata.worker_cycles) + rte_pause(); +} + +static __rte_always_inline void +schedule_devices(unsigned int lcore_id) +{ + if (fdata->rx_core[lcore_id]) { + rte_service_run_iter_on_app_lcore(fdata->rxadptr_service_id, + !fdata->rx_single); + } + + if (fdata->sched_core[lcore_id]) { + rte_service_run_iter_on_app_lcore(fdata->evdev_service_id, + !fdata->sched_single); + if (cdata.dump_dev_signal) { + rte_event_dev_dump(0, stdout); + cdata.dump_dev_signal = 0; + } + } + + if (fdata->tx_core[lcore_id] && (fdata->tx_single || + rte_atomic32_cmpset(&(fdata->tx_lock), 0, 1))) { + fdata->cap.consumer(); + rte_atomic32_clear((rte_atomic32_t *)&(fdata->tx_lock)); + } +} + +void set_worker_generic_setup_data(struct setup_data *caps, bool burst); diff --git a/examples/eventdev_pipeline_sw_pmd/pipeline_worker_generic.c b/examples/eventdev_pipeline_sw_pmd/pipeline_worker_generic.c new file mode 100644 index 0000000000..d2bc6d3551 --- /dev/null +++ b/examples/eventdev_pipeline_sw_pmd/pipeline_worker_generic.c @@ -0,0 +1,398 @@ +/* + * SPDX-License-Identifier: BSD-3-Clause + * Copyright 2016 Intel Corporation. + * Copyright 2017 Cavium, Inc. + */ + +#include "pipeline_common.h" + +static int +worker_generic_burst(void *arg) +{ + struct rte_event events[BATCH_SIZE]; + + struct worker_data *data = (struct worker_data *)arg; + uint8_t dev_id = data->dev_id; + uint8_t port_id = data->port_id; + size_t sent = 0, received = 0; + unsigned int lcore_id = rte_lcore_id(); + + while (!fdata->done) { + uint16_t i; + + if (fdata->cap.scheduler) + fdata->cap.scheduler(lcore_id); + + if (!fdata->worker_core[lcore_id]) { + rte_pause(); + continue; + } + + const uint16_t nb_rx = rte_event_dequeue_burst(dev_id, port_id, + events, RTE_DIM(events), 0); + + if (nb_rx == 0) { + rte_pause(); + continue; + } + received += nb_rx; + + for (i = 0; i < nb_rx; i++) { + + /* The first worker stage does classification */ + if (events[i].queue_id == cdata.qid[0]) + events[i].flow_id = events[i].mbuf->hash.rss + % cdata.num_fids; + + events[i].queue_id = cdata.next_qid[events[i].queue_id]; + events[i].op = RTE_EVENT_OP_FORWARD; + events[i].sched_type = cdata.queue_type; + + work(events[i].mbuf); + } + uint16_t nb_tx = rte_event_enqueue_burst(dev_id, port_id, + events, nb_rx); + while (nb_tx < nb_rx && !fdata->done) + nb_tx += rte_event_enqueue_burst(dev_id, port_id, + events + nb_tx, + nb_rx - nb_tx); + sent += nb_tx; + } + + if (!cdata.quiet) + printf(" worker %u thread done. RX=%zu TX=%zu\n", + rte_lcore_id(), received, sent); + + return 0; +} + +static __rte_always_inline int +consumer_burst(void) +{ + const uint64_t freq_khz = rte_get_timer_hz() / 1000; + struct rte_event packets[BATCH_SIZE]; + + static uint64_t received; + static uint64_t last_pkts; + static uint64_t last_time; + static uint64_t start_time; + unsigned int i, j; + uint8_t dev_id = cons_data.dev_id; + uint8_t port_id = cons_data.port_id; + uint16_t nb_ports = rte_eth_dev_count(); + + do { + uint16_t n = rte_event_dequeue_burst(dev_id, port_id, + packets, RTE_DIM(packets), 0); + + if (n == 0) { + for (j = 0; j < nb_ports; j++) + rte_eth_tx_buffer_flush(j, 0, fdata->tx_buf[j]); + return 0; + } + if (start_time == 0) + last_time = start_time = rte_get_timer_cycles(); + + received += n; + for (i = 0; i < n; i++) { + uint8_t outport = packets[i].mbuf->port; + rte_eth_tx_buffer(outport, 0, fdata->tx_buf[outport], + packets[i].mbuf); + + packets[i].op = RTE_EVENT_OP_RELEASE; + } + + if (cons_data.release) { + uint16_t nb_tx; + + nb_tx = rte_event_enqueue_burst(dev_id, port_id, + packets, n); + while (nb_tx < n) + nb_tx += rte_event_enqueue_burst(dev_id, + port_id, packets + nb_tx, + n - nb_tx); + } + + /* Print out mpps every 1<22 packets */ + if (!cdata.quiet && received >= last_pkts + (1<<22)) { + const uint64_t now = rte_get_timer_cycles(); + const uint64_t total_ms = (now - start_time) / freq_khz; + const uint64_t delta_ms = (now - last_time) / freq_khz; + uint64_t delta_pkts = received - last_pkts; + + printf("# consumer RX=%"PRIu64", time %"PRIu64 "ms, " + "avg %.3f mpps [current %.3f mpps]\n", + received, + total_ms, + received / (total_ms * 1000.0), + delta_pkts / (delta_ms * 1000.0)); + last_pkts = received; + last_time = now; + } + + cdata.num_packets -= n; + if (cdata.num_packets <= 0) + fdata->done = 1; + /* Be stuck in this loop if single. */ + } while (!fdata->done && fdata->tx_single); + + return 0; +} + +static int +setup_eventdev_generic(struct cons_data *cons_data, + struct worker_data *worker_data) +{ + const uint8_t dev_id = 0; + /* +1 stages is for a SINGLE_LINK TX stage */ + const uint8_t nb_queues = cdata.num_stages + 1; + /* + 1 is one port for consumer */ + const uint8_t nb_ports = cdata.num_workers + 1; + struct rte_event_dev_config config = { + .nb_event_queues = nb_queues, + .nb_event_ports = nb_ports, + .nb_events_limit = 4096, + .nb_event_queue_flows = 1024, + .nb_event_port_dequeue_depth = 128, + .nb_event_port_enqueue_depth = 128, + }; + struct rte_event_port_conf wkr_p_conf = { + .dequeue_depth = cdata.worker_cq_depth, + .enqueue_depth = 64, + .new_event_threshold = 4096, + }; + struct rte_event_queue_conf wkr_q_conf = { + .schedule_type = cdata.queue_type, + .priority = RTE_EVENT_DEV_PRIORITY_NORMAL, + .nb_atomic_flows = 1024, + .nb_atomic_order_sequences = 1024, + }; + struct rte_event_port_conf tx_p_conf = { + .dequeue_depth = 128, + .enqueue_depth = 128, + .new_event_threshold = 4096, + }; + struct rte_event_queue_conf tx_q_conf = { + .priority = RTE_EVENT_DEV_PRIORITY_HIGHEST, + .event_queue_cfg = RTE_EVENT_QUEUE_CFG_SINGLE_LINK, + }; + + struct port_link worker_queues[MAX_NUM_STAGES]; + uint8_t disable_implicit_release; + struct port_link tx_queue; + unsigned int i; + + int ret, ndev = rte_event_dev_count(); + if (ndev < 1) { + printf("%d: No Eventdev Devices Found\n", __LINE__); + return -1; + } + + struct rte_event_dev_info dev_info; + ret = rte_event_dev_info_get(dev_id, &dev_info); + printf("\tEventdev %d: %s\n", dev_id, dev_info.driver_name); + + disable_implicit_release = (dev_info.event_dev_cap & + RTE_EVENT_DEV_CAP_IMPLICIT_RELEASE_DISABLE); + + wkr_p_conf.disable_implicit_release = disable_implicit_release; + tx_p_conf.disable_implicit_release = disable_implicit_release; + + if (dev_info.max_event_port_dequeue_depth < + config.nb_event_port_dequeue_depth) + config.nb_event_port_dequeue_depth = + dev_info.max_event_port_dequeue_depth; + if (dev_info.max_event_port_enqueue_depth < + config.nb_event_port_enqueue_depth) + config.nb_event_port_enqueue_depth = + dev_info.max_event_port_enqueue_depth; + + ret = rte_event_dev_configure(dev_id, &config); + if (ret < 0) { + printf("%d: Error configuring device\n", __LINE__); + return -1; + } + + /* Q creation - one load balanced per pipeline stage*/ + printf(" Stages:\n"); + for (i = 0; i < cdata.num_stages; i++) { + if (rte_event_queue_setup(dev_id, i, &wkr_q_conf) < 0) { + printf("%d: error creating qid %d\n", __LINE__, i); + return -1; + } + cdata.qid[i] = i; + cdata.next_qid[i] = i+1; + worker_queues[i].queue_id = i; + if (cdata.enable_queue_priorities) { + /* calculate priority stepping for each stage, leaving + * headroom of 1 for the SINGLE_LINK TX below + */ + const uint32_t prio_delta = + (RTE_EVENT_DEV_PRIORITY_LOWEST-1) / nb_queues; + + /* higher priority for queues closer to tx */ + wkr_q_conf.priority = + RTE_EVENT_DEV_PRIORITY_LOWEST - prio_delta * i; + } + + const char *type_str = "Atomic"; + switch (wkr_q_conf.schedule_type) { + case RTE_SCHED_TYPE_ORDERED: + type_str = "Ordered"; + break; + case RTE_SCHED_TYPE_PARALLEL: + type_str = "Parallel"; + break; + } + printf("\tStage %d, Type %s\tPriority = %d\n", i, type_str, + wkr_q_conf.priority); + } + printf("\n"); + + /* final queue for sending to TX core */ + if (rte_event_queue_setup(dev_id, i, &tx_q_conf) < 0) { + printf("%d: error creating qid %d\n", __LINE__, i); + return -1; + } + tx_queue.queue_id = i; + tx_queue.priority = RTE_EVENT_DEV_PRIORITY_HIGHEST; + + if (wkr_p_conf.dequeue_depth > config.nb_event_port_dequeue_depth) + wkr_p_conf.dequeue_depth = config.nb_event_port_dequeue_depth; + if (wkr_p_conf.enqueue_depth > config.nb_event_port_enqueue_depth) + wkr_p_conf.enqueue_depth = config.nb_event_port_enqueue_depth; + + /* set up one port per worker, linking to all stage queues */ + for (i = 0; i < cdata.num_workers; i++) { + struct worker_data *w = &worker_data[i]; + w->dev_id = dev_id; + if (rte_event_port_setup(dev_id, i, &wkr_p_conf) < 0) { + printf("Error setting up port %d\n", i); + return -1; + } + + uint32_t s; + for (s = 0; s < cdata.num_stages; s++) { + if (rte_event_port_link(dev_id, i, + &worker_queues[s].queue_id, + &worker_queues[s].priority, + 1) != 1) { + printf("%d: error creating link for port %d\n", + __LINE__, i); + return -1; + } + } + w->port_id = i; + } + + if (tx_p_conf.dequeue_depth > config.nb_event_port_dequeue_depth) + tx_p_conf.dequeue_depth = config.nb_event_port_dequeue_depth; + if (tx_p_conf.enqueue_depth > config.nb_event_port_enqueue_depth) + tx_p_conf.enqueue_depth = config.nb_event_port_enqueue_depth; + + /* port for consumer, linked to TX queue */ + if (rte_event_port_setup(dev_id, i, &tx_p_conf) < 0) { + printf("Error setting up port %d\n", i); + return -1; + } + if (rte_event_port_link(dev_id, i, &tx_queue.queue_id, + &tx_queue.priority, 1) != 1) { + printf("%d: error creating link for port %d\n", + __LINE__, i); + return -1; + } + *cons_data = (struct cons_data){.dev_id = dev_id, + .port_id = i, + .release = disable_implicit_release }; + + ret = rte_event_dev_service_id_get(dev_id, + &fdata->evdev_service_id); + if (ret != -ESRCH && ret != 0) { + printf("Error getting the service ID for sw eventdev\n"); + return -1; + } + rte_service_runstate_set(fdata->evdev_service_id, 1); + rte_service_set_runstate_mapped_check(fdata->evdev_service_id, 0); + if (rte_event_dev_start(dev_id) < 0) { + printf("Error starting eventdev\n"); + return -1; + } + + return dev_id; +} + +static void +init_rx_adapter(uint16_t nb_ports) +{ + int i; + int ret; + uint8_t evdev_id = 0; + struct rte_event_dev_info dev_info; + + ret = rte_event_dev_info_get(evdev_id, &dev_info); + + struct rte_event_port_conf rx_p_conf = { + .dequeue_depth = 8, + .enqueue_depth = 8, + .new_event_threshold = 1200, + }; + + if (rx_p_conf.dequeue_depth > dev_info.max_event_port_dequeue_depth) + rx_p_conf.dequeue_depth = dev_info.max_event_port_dequeue_depth; + if (rx_p_conf.enqueue_depth > dev_info.max_event_port_enqueue_depth) + rx_p_conf.enqueue_depth = dev_info.max_event_port_enqueue_depth; + + /* Create one adapter for all the ethernet ports. */ + ret = rte_event_eth_rx_adapter_create(cdata.rx_adapter_id, evdev_id, + &rx_p_conf); + if (ret) + rte_exit(EXIT_FAILURE, "failed to create rx adapter[%d]", + cdata.rx_adapter_id); + + struct rte_event_eth_rx_adapter_queue_conf queue_conf = { + .ev.sched_type = cdata.queue_type, + .ev.queue_id = cdata.qid[0], + }; + + for (i = 0; i < nb_ports; i++) { + uint32_t cap; + + ret = rte_event_eth_rx_adapter_caps_get(evdev_id, i, &cap); + if (ret) + rte_exit(EXIT_FAILURE, + "failed to get event rx adapter " + "capabilities"); + + ret = rte_event_eth_rx_adapter_queue_add(cdata.rx_adapter_id, i, + -1, &queue_conf); + if (ret) + rte_exit(EXIT_FAILURE, + "Failed to add queues to Rx adapter"); + } + + ret = rte_event_eth_rx_adapter_service_id_get(cdata.rx_adapter_id, + &fdata->rxadptr_service_id); + if (ret != -ESRCH && ret != 0) { + rte_exit(EXIT_FAILURE, + "Error getting the service ID for sw eventdev\n"); + } + rte_service_runstate_set(fdata->rxadptr_service_id, 1); + rte_service_set_runstate_mapped_check(fdata->rxadptr_service_id, 0); + + ret = rte_event_eth_rx_adapter_start(cdata.rx_adapter_id); + if (ret) + rte_exit(EXIT_FAILURE, "Rx adapter[%d] start failed", + cdata.rx_adapter_id); +} + +void +set_worker_generic_setup_data(struct setup_data *caps, bool burst) +{ + RTE_SET_USED(burst); + caps->consumer = consumer_burst; + caps->worker = worker_generic_burst; + + caps->adptr_setup = init_rx_adapter; + caps->scheduler = schedule_devices; + caps->evdev_setup = setup_eventdev_generic; +} -- 2.20.1