New upstream version 18.02
[deb_dpdk.git] / examples / eventdev_pipeline_sw_pmd / main.c
diff --git a/examples/eventdev_pipeline_sw_pmd/main.c b/examples/eventdev_pipeline_sw_pmd/main.c
deleted file mode 100644 (file)
index 5f431d8..0000000
+++ /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(&eth->d_addr, &addr);
-       ether_addr_copy(&addr, &eth->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;
-}