diff options
Diffstat (limited to 'examples/eventdev_pipeline_sw_pmd/main.c')
| -rw-r--r-- | examples/eventdev_pipeline_sw_pmd/main.c | 1023 |
1 files changed, 0 insertions, 1023 deletions
diff --git a/examples/eventdev_pipeline_sw_pmd/main.c b/examples/eventdev_pipeline_sw_pmd/main.c deleted file mode 100644 index 5f431d87..00000000 --- a/examples/eventdev_pipeline_sw_pmd/main.c +++ /dev/null @@ -1,1023 +0,0 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2016-2017 Intel Corporation. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <getopt.h> -#include <stdint.h> -#include <stdio.h> -#include <signal.h> -#include <sched.h> -#include <stdbool.h> - -#include <rte_eal.h> -#include <rte_mempool.h> -#include <rte_mbuf.h> -#include <rte_launch.h> -#include <rte_malloc.h> -#include <rte_random.h> -#include <rte_cycles.h> -#include <rte_ethdev.h> -#include <rte_eventdev.h> -#include <rte_service.h> - -#define MAX_NUM_STAGES 8 -#define BATCH_SIZE 16 -#define MAX_NUM_CORE 64 - -struct prod_data { - uint8_t dev_id; - uint8_t port_id; - int32_t qid; - unsigned int num_nic_ports; -} __rte_cache_aligned; - -struct cons_data { - uint8_t dev_id; - uint8_t port_id; -} __rte_cache_aligned; - -static struct prod_data prod_data; -static struct cons_data cons_data; - -struct worker_data { - uint8_t dev_id; - uint8_t port_id; -} __rte_cache_aligned; - -struct fastpath_data { - volatile int done; - uint32_t rx_lock; - uint32_t tx_lock; - uint32_t sched_lock; - uint32_t evdev_service_id; - bool rx_single; - bool tx_single; - bool sched_single; - unsigned int rx_core[MAX_NUM_CORE]; - unsigned int tx_core[MAX_NUM_CORE]; - unsigned int sched_core[MAX_NUM_CORE]; - unsigned int worker_core[MAX_NUM_CORE]; - struct rte_eth_dev_tx_buffer *tx_buf[RTE_MAX_ETHPORTS]; -}; - -static struct fastpath_data *fdata; - -struct config_data { - unsigned int active_cores; - unsigned int num_workers; - int64_t num_packets; - unsigned int num_fids; - int queue_type; - int worker_cycles; - int enable_queue_priorities; - int quiet; - int dump_dev; - int dump_dev_signal; - unsigned int num_stages; - unsigned int worker_cq_depth; - int16_t next_qid[MAX_NUM_STAGES+2]; - int16_t qid[MAX_NUM_STAGES]; -}; - -static struct config_data cdata = { - .num_packets = (1L << 25), /* do ~32M packets */ - .num_fids = 512, - .queue_type = RTE_SCHED_TYPE_ATOMIC, - .next_qid = {-1}, - .qid = {-1}, - .num_stages = 1, - .worker_cq_depth = 16 -}; - -static bool -core_in_use(unsigned int lcore_id) { - return (fdata->rx_core[lcore_id] || fdata->sched_core[lcore_id] || - fdata->tx_core[lcore_id] || fdata->worker_core[lcore_id]); -} - -static void -eth_tx_buffer_retry(struct rte_mbuf **pkts, uint16_t unsent, - void *userdata) -{ - int port_id = (uintptr_t) userdata; - unsigned int _sent = 0; - - do { - /* Note: hard-coded TX queue */ - _sent += rte_eth_tx_burst(port_id, 0, &pkts[_sent], - unsent - _sent); - } 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); - } - - /* 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 int -producer(void) -{ - static uint8_t eth_port; - struct rte_mbuf *mbufs[BATCH_SIZE+2]; - struct rte_event ev[BATCH_SIZE+2]; - uint32_t i, num_ports = prod_data.num_nic_ports; - int32_t qid = prod_data.qid; - uint8_t dev_id = prod_data.dev_id; - uint8_t port_id = prod_data.port_id; - uint32_t prio_idx = 0; - - const uint16_t nb_rx = rte_eth_rx_burst(eth_port, 0, mbufs, BATCH_SIZE); - if (++eth_port == num_ports) - eth_port = 0; - if (nb_rx == 0) { - rte_pause(); - return 0; - } - - for (i = 0; i < nb_rx; i++) { - ev[i].flow_id = mbufs[i]->hash.rss; - ev[i].op = RTE_EVENT_OP_NEW; - ev[i].sched_type = cdata.queue_type; - ev[i].queue_id = qid; - ev[i].event_type = RTE_EVENT_TYPE_ETHDEV; - ev[i].sub_event_type = 0; - ev[i].priority = RTE_EVENT_DEV_PRIORITY_NORMAL; - ev[i].mbuf = mbufs[i]; - RTE_SET_USED(prio_idx); - } - - const int nb_tx = rte_event_enqueue_burst(dev_id, port_id, ev, nb_rx); - if (nb_tx != nb_rx) { - for (i = nb_tx; i < nb_rx; i++) - rte_pktmbuf_free(mbufs[i]); - } - - return 0; -} - -static inline void -schedule_devices(unsigned int lcore_id) -{ - if (fdata->rx_core[lcore_id] && (fdata->rx_single || - rte_atomic32_cmpset(&(fdata->rx_lock), 0, 1))) { - producer(); - rte_atomic32_clear((rte_atomic32_t *)&(fdata->rx_lock)); - } - - if (fdata->sched_core[lcore_id] && (fdata->sched_single || - rte_atomic32_cmpset(&(fdata->sched_lock), 0, 1))) { - rte_service_run_iter_on_app_lcore(fdata->evdev_service_id, 1); - if (cdata.dump_dev_signal) { - rte_event_dev_dump(0, stdout); - cdata.dump_dev_signal = 0; - } - rte_atomic32_clear((rte_atomic32_t *)&(fdata->sched_lock)); - } - - 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 - * value. - */ -static int xdigit2val(unsigned char c) -{ - int val; - - if (isdigit(c)) - val = c - '0'; - else if (isupper(c)) - val = c - 'A' + 10; - else - val = c - 'a' + 10; - return val; -} - -static uint64_t -parse_coremask(const char *coremask) -{ - int i, j, idx = 0; - unsigned int count = 0; - char c; - int val; - uint64_t mask = 0; - const int32_t BITS_HEX = 4; - - if (coremask == NULL) - return -1; - /* Remove all blank characters ahead and after . - * Remove 0x/0X if exists. - */ - while (isblank(*coremask)) - coremask++; - if (coremask[0] == '0' && ((coremask[1] == 'x') - || (coremask[1] == 'X'))) - coremask += 2; - i = strlen(coremask); - while ((i > 0) && isblank(coremask[i - 1])) - i--; - if (i == 0) - return -1; - - for (i = i - 1; i >= 0 && idx < MAX_NUM_CORE; i--) { - c = coremask[i]; - if (isxdigit(c) == 0) { - /* invalid characters */ - return -1; - } - val = xdigit2val(c); - for (j = 0; j < BITS_HEX && idx < MAX_NUM_CORE; j++, idx++) { - if ((1 << j) & val) { - mask |= (1UL << idx); - count++; - } - } - } - for (; i >= 0; i--) - if (coremask[i] != '0') - return -1; - if (count == 0) - return -1; - return mask; -} - -static struct option long_options[] = { - {"workers", required_argument, 0, 'w'}, - {"packets", required_argument, 0, 'n'}, - {"atomic-flows", required_argument, 0, 'f'}, - {"num_stages", required_argument, 0, 's'}, - {"rx-mask", required_argument, 0, 'r'}, - {"tx-mask", required_argument, 0, 't'}, - {"sched-mask", required_argument, 0, 'e'}, - {"cq-depth", required_argument, 0, 'c'}, - {"work-cycles", required_argument, 0, 'W'}, - {"queue-priority", no_argument, 0, 'P'}, - {"parallel", no_argument, 0, 'p'}, - {"ordered", no_argument, 0, 'o'}, - {"quiet", no_argument, 0, 'q'}, - {"dump", no_argument, 0, 'D'}, - {0, 0, 0, 0} -}; - -static void -usage(void) -{ - const char *usage_str = - " Usage: eventdev_demo [options]\n" - " Options:\n" - " -n, --packets=N Send N packets (default ~32M), 0 implies no limit\n" - " -f, --atomic-flows=N Use N random flows from 1 to N (default 16)\n" - " -s, --num_stages=N Use N atomic stages (default 1)\n" - " -r, --rx-mask=core mask Run NIC rx on CPUs in core mask\n" - " -w, --worker-mask=core mask Run worker on CPUs in core mask\n" - " -t, --tx-mask=core mask Run NIC tx on CPUs in core mask\n" - " -e --sched-mask=core mask Run scheduler on CPUs in core mask\n" - " -c --cq-depth=N Worker CQ depth (default 16)\n" - " -W --work-cycles=N Worker cycles (default 0)\n" - " -P --queue-priority Enable scheduler queue prioritization\n" - " -o, --ordered Use ordered scheduling\n" - " -p, --parallel Use parallel scheduling\n" - " -q, --quiet Minimize printed output\n" - " -D, --dump Print detailed statistics before exit" - "\n"; - fprintf(stderr, "%s", usage_str); - exit(1); -} - -static void -parse_app_args(int argc, char **argv) -{ - /* Parse cli options*/ - int option_index; - int c; - opterr = 0; - uint64_t rx_lcore_mask = 0; - uint64_t tx_lcore_mask = 0; - uint64_t sched_lcore_mask = 0; - uint64_t worker_lcore_mask = 0; - int i; - - for (;;) { - c = getopt_long(argc, argv, "r:t:e:c:w:n:f:s:poPqDW:", - long_options, &option_index); - if (c == -1) - break; - - int popcnt = 0; - switch (c) { - case 'n': - cdata.num_packets = (int64_t)atol(optarg); - if (cdata.num_packets == 0) - cdata.num_packets = INT64_MAX; - break; - case 'f': - cdata.num_fids = (unsigned int)atoi(optarg); - break; - case 's': - cdata.num_stages = (unsigned int)atoi(optarg); - break; - case 'c': - cdata.worker_cq_depth = (unsigned int)atoi(optarg); - break; - case 'W': - cdata.worker_cycles = (unsigned int)atoi(optarg); - break; - case 'P': - cdata.enable_queue_priorities = 1; - break; - case 'o': - cdata.queue_type = RTE_SCHED_TYPE_ORDERED; - break; - case 'p': - cdata.queue_type = RTE_SCHED_TYPE_PARALLEL; - break; - case 'q': - cdata.quiet = 1; - break; - case 'D': - cdata.dump_dev = 1; - break; - case 'w': - worker_lcore_mask = parse_coremask(optarg); - break; - case 'r': - rx_lcore_mask = parse_coremask(optarg); - popcnt = __builtin_popcountll(rx_lcore_mask); - fdata->rx_single = (popcnt == 1); - break; - case 't': - tx_lcore_mask = parse_coremask(optarg); - popcnt = __builtin_popcountll(tx_lcore_mask); - fdata->tx_single = (popcnt == 1); - break; - case 'e': - sched_lcore_mask = parse_coremask(optarg); - popcnt = __builtin_popcountll(sched_lcore_mask); - fdata->sched_single = (popcnt == 1); - break; - default: - usage(); - } - } - - if (worker_lcore_mask == 0 || rx_lcore_mask == 0 || - sched_lcore_mask == 0 || tx_lcore_mask == 0) { - printf("Core part of pipeline was not assigned any cores. " - "This will stall the pipeline, please check core masks " - "(use -h for details on setting core masks):\n" - "\trx: %"PRIu64"\n\ttx: %"PRIu64"\n\tsched: %"PRIu64 - "\n\tworkers: %"PRIu64"\n", - rx_lcore_mask, tx_lcore_mask, sched_lcore_mask, - worker_lcore_mask); - rte_exit(-1, "Fix core masks\n"); - } - if (cdata.num_stages == 0 || cdata.num_stages > MAX_NUM_STAGES) - usage(); - - for (i = 0; i < MAX_NUM_CORE; i++) { - fdata->rx_core[i] = !!(rx_lcore_mask & (1UL << i)); - fdata->tx_core[i] = !!(tx_lcore_mask & (1UL << i)); - fdata->sched_core[i] = !!(sched_lcore_mask & (1UL << i)); - fdata->worker_core[i] = !!(worker_lcore_mask & (1UL << i)); - - if (fdata->worker_core[i]) - cdata.num_workers++; - if (core_in_use(i)) - cdata.active_cores++; - } -} - -/* - * Initializes a given port using global settings and with the RX buffers - * coming from the mbuf_pool passed as a parameter. - */ -static inline int -port_init(uint8_t port, struct rte_mempool *mbuf_pool) -{ - static const struct rte_eth_conf port_conf_default = { - .rxmode = { - .mq_mode = ETH_MQ_RX_RSS, - .max_rx_pkt_len = ETHER_MAX_LEN - }, - .rx_adv_conf = { - .rss_conf = { - .rss_hf = ETH_RSS_IP | - ETH_RSS_TCP | - ETH_RSS_UDP, - } - } - }; - const uint16_t rx_rings = 1, tx_rings = 1; - const uint16_t rx_ring_size = 512, tx_ring_size = 512; - struct rte_eth_conf port_conf = port_conf_default; - int retval; - uint16_t q; - - if (port >= rte_eth_dev_count()) - return -1; - - /* Configure the Ethernet device. */ - retval = rte_eth_dev_configure(port, rx_rings, tx_rings, &port_conf); - if (retval != 0) - return retval; - - /* Allocate and set up 1 RX queue per Ethernet port. */ - for (q = 0; q < rx_rings; q++) { - retval = rte_eth_rx_queue_setup(port, q, rx_ring_size, - rte_eth_dev_socket_id(port), NULL, mbuf_pool); - if (retval < 0) - return retval; - } - - /* Allocate and set up 1 TX queue per Ethernet port. */ - for (q = 0; q < tx_rings; q++) { - retval = rte_eth_tx_queue_setup(port, q, tx_ring_size, - rte_eth_dev_socket_id(port), NULL); - if (retval < 0) - return retval; - } - - /* Start the Ethernet port. */ - retval = rte_eth_dev_start(port); - if (retval < 0) - return retval; - - /* Display the port MAC address. */ - struct ether_addr addr; - rte_eth_macaddr_get(port, &addr); - printf("Port %u MAC: %02" PRIx8 " %02" PRIx8 " %02" PRIx8 - " %02" PRIx8 " %02" PRIx8 " %02" PRIx8 "\n", - (unsigned int)port, - addr.addr_bytes[0], addr.addr_bytes[1], - addr.addr_bytes[2], addr.addr_bytes[3], - addr.addr_bytes[4], addr.addr_bytes[5]); - - /* Enable RX in promiscuous mode for the Ethernet device. */ - rte_eth_promiscuous_enable(port); - - return 0; -} - -static int -init_ports(unsigned int num_ports) -{ - uint8_t portid; - unsigned int i; - - struct rte_mempool *mp = rte_pktmbuf_pool_create("packet_pool", - /* mbufs */ 16384 * num_ports, - /* cache_size */ 512, - /* priv_size*/ 0, - /* data_room_size */ RTE_MBUF_DEFAULT_BUF_SIZE, - rte_socket_id()); - - for (portid = 0; portid < num_ports; portid++) - if (port_init(portid, mp) != 0) - rte_exit(EXIT_FAILURE, "Cannot init port %"PRIu8 "\n", - portid); - - for (i = 0; i < num_ports; i++) { - void *userdata = (void *)(uintptr_t) i; - fdata->tx_buf[i] = - rte_malloc(NULL, RTE_ETH_TX_BUFFER_SIZE(32), 0); - if (fdata->tx_buf[i] == NULL) - rte_panic("Out of memory\n"); - rte_eth_tx_buffer_init(fdata->tx_buf[i], 32); - rte_eth_tx_buffer_set_err_callback(fdata->tx_buf[i], - eth_tx_buffer_retry, - userdata); - } - - return 0; -} - -struct port_link { - uint8_t queue_id; - uint8_t priority; -}; - -static int -setup_eventdev(struct prod_data *prod_data, - 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; - /* + 2 is one port for producer and one for consumer */ - const uint8_t nb_ports = cdata.num_workers + 2; - 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]; - 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); - - 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; - } - /* port for producer, no links */ - struct rte_event_port_conf rx_p_conf = { - .dequeue_depth = 8, - .enqueue_depth = 8, - .new_event_threshold = 1200, - }; - - if (rx_p_conf.dequeue_depth > config.nb_event_port_dequeue_depth) - rx_p_conf.dequeue_depth = config.nb_event_port_dequeue_depth; - if (rx_p_conf.enqueue_depth > config.nb_event_port_enqueue_depth) - rx_p_conf.enqueue_depth = config.nb_event_port_enqueue_depth; - - if (rte_event_port_setup(dev_id, i + 1, &rx_p_conf) < 0) { - printf("Error setting up port %d\n", i); - return -1; - } - - *prod_data = (struct prod_data){.dev_id = dev_id, - .port_id = i + 1, - .qid = cdata.qid[0] }; - *cons_data = (struct cons_data){.dev_id = dev_id, - .port_id = i }; - - 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 -signal_handler(int signum) -{ - if (fdata->done) - rte_exit(1, "Exiting on signal %d\n", signum); - if (signum == SIGINT || signum == SIGTERM) { - printf("\n\nSignal %d received, preparing to exit...\n", - signum); - fdata->done = 1; - } - if (signum == SIGTSTP) - rte_event_dev_dump(0, stdout); -} - -static inline uint64_t -port_stat(int dev_id, int32_t p) -{ - char statname[64]; - snprintf(statname, sizeof(statname), "port_%u_rx", p); - return rte_event_dev_xstats_by_name_get(dev_id, statname, NULL); -} - -int -main(int argc, char **argv) -{ - struct worker_data *worker_data; - unsigned int num_ports; - int lcore_id; - int err; - - signal(SIGINT, signal_handler); - signal(SIGTERM, signal_handler); - signal(SIGTSTP, signal_handler); - - err = rte_eal_init(argc, argv); - if (err < 0) - rte_panic("Invalid EAL arguments\n"); - - argc -= err; - argv += err; - - fdata = rte_malloc(NULL, sizeof(struct fastpath_data), 0); - if (fdata == NULL) - rte_panic("Out of memory\n"); - - /* Parse cli options*/ - parse_app_args(argc, argv); - - num_ports = rte_eth_dev_count(); - if (num_ports == 0) - rte_panic("No ethernet ports found\n"); - - const unsigned int cores_needed = cdata.active_cores; - - if (!cdata.quiet) { - printf(" Config:\n"); - printf("\tports: %u\n", num_ports); - printf("\tworkers: %u\n", cdata.num_workers); - printf("\tpackets: %"PRIi64"\n", cdata.num_packets); - printf("\tQueue-prio: %u\n", cdata.enable_queue_priorities); - if (cdata.queue_type == RTE_SCHED_TYPE_ORDERED) - printf("\tqid0 type: ordered\n"); - if (cdata.queue_type == RTE_SCHED_TYPE_ATOMIC) - printf("\tqid0 type: atomic\n"); - printf("\tCores available: %u\n", rte_lcore_count()); - printf("\tCores used: %u\n", cores_needed); - } - - if (rte_lcore_count() < cores_needed) - rte_panic("Too few cores (%d < %d)\n", rte_lcore_count(), - cores_needed); - - const unsigned int ndevs = rte_event_dev_count(); - if (ndevs == 0) - rte_panic("No dev_id devs found. Pasl in a --vdev eventdev.\n"); - if (ndevs > 1) - fprintf(stderr, "Warning: More than one eventdev, using idx 0"); - - 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(&prod_data, &cons_data, worker_data); - if (dev_id < 0) - rte_exit(EXIT_FAILURE, "Error setting up eventdev\n"); - - prod_data.num_nic_ports = num_ports; - init_ports(num_ports); - - int worker_idx = 0; - RTE_LCORE_FOREACH_SLAVE(lcore_id) { - if (lcore_id >= MAX_NUM_CORE) - break; - - if (!fdata->rx_core[lcore_id] && - !fdata->worker_core[lcore_id] && - !fdata->tx_core[lcore_id] && - !fdata->sched_core[lcore_id]) - continue; - - if (fdata->rx_core[lcore_id]) - printf( - "[%s()] lcore %d executing NIC Rx, and using eventdev port %u\n", - __func__, lcore_id, prod_data.port_id); - - if (fdata->tx_core[lcore_id]) - printf( - "[%s()] lcore %d executing NIC Tx, and using eventdev port %u\n", - __func__, lcore_id, cons_data.port_id); - - if (fdata->sched_core[lcore_id]) - printf("[%s()] lcore %d executing scheduler\n", - __func__, lcore_id); - - if (fdata->worker_core[lcore_id]) - printf( - "[%s()] lcore %d executing worker, using eventdev port %u\n", - __func__, lcore_id, - worker_data[worker_idx].port_id); - - err = rte_eal_remote_launch(worker, &worker_data[worker_idx], - lcore_id); - if (err) { - rte_panic("Failed to launch worker on core %d\n", - lcore_id); - continue; - } - if (fdata->worker_core[lcore_id]) - worker_idx++; - } - - lcore_id = rte_lcore_id(); - - if (core_in_use(lcore_id)) - worker(&worker_data[worker_idx++]); - - rte_eal_mp_wait_lcore(); - - if (cdata.dump_dev) - rte_event_dev_dump(dev_id, stdout); - - if (!cdata.quiet && (port_stat(dev_id, worker_data[0].port_id) != - (uint64_t)-ENOTSUP)) { - printf("\nPort Workload distribution:\n"); - uint32_t i; - uint64_t tot_pkts = 0; - uint64_t pkts_per_wkr[RTE_MAX_LCORE] = {0}; - for (i = 0; i < cdata.num_workers; i++) { - pkts_per_wkr[i] = - port_stat(dev_id, worker_data[i].port_id); - tot_pkts += pkts_per_wkr[i]; - } - for (i = 0; i < cdata.num_workers; i++) { - float pc = pkts_per_wkr[i] * 100 / - ((float)tot_pkts); - printf("worker %i :\t%.1f %% (%"PRIu64" pkts)\n", - i, pc, pkts_per_wkr[i]); - } - - } - - return 0; -} |