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44 #include <rte_config.h>
45 #include <rte_cycles.h>
46 #include <rte_eal_memconfig.h>
47 #include <rte_debug.h>
48 #include <rte_ether.h>
49 #include <rte_ethdev.h>
50 #include <rte_string_fns.h>
51 #include <rte_ivshmem.h>
53 #include <rte_mempool.h>
56 #include "../include/common.h"
59 * Configurable number of RX/TX ring descriptors
61 #define RTE_TEST_RX_DESC_DEFAULT 128
62 #define RTE_TEST_TX_DESC_DEFAULT 512
63 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
64 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
66 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
68 /* mask of enabled ports */
69 static uint32_t l2fwd_ivshmem_enabled_port_mask = 0;
71 static struct ether_addr l2fwd_ivshmem_ports_eth_addr[RTE_MAX_ETHPORTS];
74 #define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM)
76 #define MAX_RX_QUEUE_PER_LCORE 16
77 #define MAX_TX_QUEUE_PER_PORT 16
78 struct lcore_queue_conf {
80 unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
81 struct vm_port_param * port_param[MAX_RX_QUEUE_PER_LCORE];
82 struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
83 struct mbuf_table rx_mbufs[RTE_MAX_ETHPORTS];
84 } __rte_cache_aligned;
85 static struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
87 static const struct rte_eth_conf port_conf = {
90 .header_split = 0, /**< Header Split disabled */
91 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
92 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
93 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
94 .hw_strip_crc = 0, /**< CRC stripped by hardware */
97 .mq_mode = ETH_MQ_TX_NONE,
101 #define METADATA_NAME "l2fwd_ivshmem"
102 #define CMDLINE_OPT_FWD_CONF "fwd-conf"
104 #define QEMU_CMD_FMT "/tmp/ivshmem_qemu_cmdline_%s"
106 struct port_statistics port_statistics[RTE_MAX_ETHPORTS];
108 struct rte_mempool * l2fwd_ivshmem_pktmbuf_pool = NULL;
110 /* Print out statistics on packets dropped */
114 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
115 uint64_t total_vm_packets_dropped, total_vm_packets_tx, total_vm_packets_rx;
118 total_packets_dropped = 0;
119 total_packets_tx = 0;
120 total_packets_rx = 0;
121 total_vm_packets_tx = 0;
122 total_vm_packets_rx = 0;
124 const char clr[] = { 27, '[', '2', 'J', '\0' };
125 const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' };
127 /* Clear screen and move to top left */
128 printf("%s%s", clr, topLeft);
130 printf("\nPort statistics ====================================");
132 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
133 /* skip disabled ports */
134 if ((l2fwd_ivshmem_enabled_port_mask & (1 << portid)) == 0)
136 printf("\nStatistics for port %u ------------------------------"
137 "\nPackets sent: %24"PRIu64
138 "\nPackets received: %20"PRIu64
139 "\nPackets dropped: %21"PRIu64,
141 port_statistics[portid].tx,
142 port_statistics[portid].rx,
143 port_statistics[portid].dropped);
145 total_packets_dropped += port_statistics[portid].dropped;
146 total_packets_tx += port_statistics[portid].tx;
147 total_packets_rx += port_statistics[portid].rx;
150 printf("\nVM statistics ======================================");
151 for (portid = 0; portid < ctrl->nb_ports; portid++) {
152 printf("\nStatistics for port %u ------------------------------"
153 "\nPackets sent: %24"PRIu64
154 "\nPackets received: %20"PRIu64,
156 ctrl->vm_ports[portid].stats.tx,
157 ctrl->vm_ports[portid].stats.rx);
159 total_vm_packets_dropped += ctrl->vm_ports[portid].stats.dropped;
160 total_vm_packets_tx += ctrl->vm_ports[portid].stats.tx;
161 total_vm_packets_rx += ctrl->vm_ports[portid].stats.rx;
163 printf("\nAggregate statistics ==============================="
164 "\nTotal packets sent: %18"PRIu64
165 "\nTotal packets received: %14"PRIu64
166 "\nTotal packets dropped: %15"PRIu64
167 "\nTotal VM packets sent: %15"PRIu64
168 "\nTotal VM packets received: %11"PRIu64,
171 total_packets_dropped,
173 total_vm_packets_rx);
174 printf("\n====================================================\n");
178 print_to_file(const char *cmdline, const char *config_name)
183 snprintf(path, sizeof(path), QEMU_CMD_FMT, config_name);
184 file = fopen(path, "w");
186 RTE_LOG(ERR, L2FWD_IVSHMEM, "Could not open '%s' \n", path);
190 RTE_LOG(DEBUG, L2FWD_IVSHMEM, "QEMU command line for config '%s': %s \n",
191 config_name, cmdline);
193 fprintf(file, "%s\n", cmdline);
199 generate_ivshmem_cmdline(const char *config_name)
201 char cmdline[PATH_MAX];
202 if (rte_ivshmem_metadata_cmdline_generate(cmdline, sizeof(cmdline),
206 if (print_to_file(cmdline, config_name) < 0)
209 rte_ivshmem_metadata_dump(stdout, config_name);
215 l2fwd_ivshmem_usage(const char *prgname)
217 printf("%s [EAL options] -- -p PORTMASK [-q NQ -T PERIOD]\n"
218 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
219 " -q NQ: number of queue (=ports) per lcore (default is 1)\n"
220 " -T PERIOD: statistics will be refreshed each PERIOD seconds "
221 "(0 to disable, 10 default, 86400 maximum)\n",
226 l2fwd_ivshmem_parse_nqueue(const char *q_arg)
231 /* parse hexadecimal string */
232 n = strtoul(q_arg, &end, 10);
233 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
237 if (n >= MAX_RX_QUEUE_PER_LCORE)
244 l2fwd_ivshmem_parse_portmask(const char *portmask)
249 /* parse hexadecimal string */
250 pm = strtoul(portmask, &end, 16);
251 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
261 l2fwd_ivshmem_parse_timer_period(const char *q_arg)
266 /* parse number string */
267 n = strtol(q_arg, &end, 10);
268 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
270 if (n >= MAX_TIMER_PERIOD)
276 /* Parse the argument given in the command line of the application */
278 l2fwd_ivshmem_parse_args(int argc, char **argv)
283 char *prgname = argv[0];
284 static struct option lgopts[] = {
285 {CMDLINE_OPT_FWD_CONF, 1, 0, 0},
291 while ((opt = getopt_long(argc, argvopt, "q:p:T:",
292 lgopts, &option_index)) != EOF) {
297 l2fwd_ivshmem_enabled_port_mask = l2fwd_ivshmem_parse_portmask(optarg);
298 if (l2fwd_ivshmem_enabled_port_mask == 0) {
299 printf("invalid portmask\n");
300 l2fwd_ivshmem_usage(prgname);
307 l2fwd_ivshmem_rx_queue_per_lcore = l2fwd_ivshmem_parse_nqueue(optarg);
308 if (l2fwd_ivshmem_rx_queue_per_lcore == 0) {
309 printf("invalid queue number\n");
310 l2fwd_ivshmem_usage(prgname);
317 timer_period = l2fwd_ivshmem_parse_timer_period(optarg) * 1000 * TIMER_MILLISECOND;
318 if (timer_period < 0) {
319 printf("invalid timer period\n");
320 l2fwd_ivshmem_usage(prgname);
327 l2fwd_ivshmem_usage(prgname);
331 l2fwd_ivshmem_usage(prgname);
337 argv[optind-1] = prgname;
340 optind = 0; /* reset getopt lib */
344 /* Check the link status of all ports in up to 9s, and print them finally */
346 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
348 #define CHECK_INTERVAL 100 /* 100ms */
349 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
350 uint8_t portid, count, all_ports_up, print_flag = 0;
351 struct rte_eth_link link;
353 printf("\nChecking link status");
355 for (count = 0; count <= MAX_CHECK_TIME; count++) {
357 for (portid = 0; portid < port_num; portid++) {
358 if ((port_mask & (1 << portid)) == 0)
360 memset(&link, 0, sizeof(link));
361 rte_eth_link_get_nowait(portid, &link);
362 /* print link status if flag set */
363 if (print_flag == 1) {
364 if (link.link_status)
365 printf("Port %d Link Up - speed %u "
366 "Mbps - %s\n", (uint8_t)portid,
367 (unsigned)link.link_speed,
368 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
369 ("full-duplex") : ("half-duplex\n"));
371 printf("Port %d Link Down\n",
375 /* clear all_ports_up flag if any link down */
376 if (link.link_status == 0) {
381 /* after finally printing all link status, get out */
385 if (all_ports_up == 0) {
388 rte_delay_ms(CHECK_INTERVAL);
391 /* set the print_flag if all ports up or timeout */
392 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
399 /* Send the burst of packets on an output interface */
401 l2fwd_ivshmem_send_burst(struct lcore_queue_conf *qconf, unsigned n, uint8_t port)
403 struct rte_mbuf **m_table;
407 m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
409 ret = rte_eth_tx_burst(port, (uint16_t) queueid, m_table, (uint16_t) n);
410 port_statistics[port].tx += ret;
411 if (unlikely(ret < n)) {
412 port_statistics[port].dropped += (n - ret);
414 rte_pktmbuf_free(m_table[ret]);
421 /* Enqueue packets for TX and prepare them to be sent on the network */
423 l2fwd_ivshmem_send_packet(struct rte_mbuf *m, uint8_t port)
425 unsigned lcore_id, len;
426 struct lcore_queue_conf *qconf;
428 lcore_id = rte_lcore_id();
430 qconf = &lcore_queue_conf[lcore_id];
431 len = qconf->tx_mbufs[port].len;
432 qconf->tx_mbufs[port].m_table[len] = m;
435 /* enough pkts to be sent */
436 if (unlikely(len == MAX_PKT_BURST)) {
437 l2fwd_ivshmem_send_burst(qconf, MAX_PKT_BURST, port);
441 qconf->tx_mbufs[port].len = len;
446 l2fwd_ivshmem_receive_burst(struct lcore_queue_conf *qconf, unsigned portid,
449 struct rte_mbuf ** m;
450 struct rte_ring * rx;
451 unsigned len, pkt_idx;
453 m = qconf->rx_mbufs[portid].m_table;
454 len = qconf->rx_mbufs[portid].len;
455 rx = qconf->port_param[vm_port]->rx_ring;
457 /* if enqueueing failed, ring is probably full, so drop the packets */
458 if (rte_ring_enqueue_bulk(rx, (void**) m, len) < 0) {
459 port_statistics[portid].dropped += len;
463 rte_pktmbuf_free(m[pkt_idx]);
464 } while (++pkt_idx < len);
467 /* increment rx stats by however many packets we managed to receive */
468 port_statistics[portid].rx += len;
473 /* Enqueue packets for RX and prepare them to be sent to VM */
475 l2fwd_ivshmem_receive_packets(struct rte_mbuf ** m, unsigned n, unsigned portid,
478 unsigned lcore_id, len, pkt_idx;
479 struct lcore_queue_conf *qconf;
481 lcore_id = rte_lcore_id();
483 qconf = &lcore_queue_conf[lcore_id];
485 len = qconf->rx_mbufs[portid].len;
488 /* enqueue packets */
489 while (pkt_idx < n && len < MAX_PKT_BURST * 2) {
490 qconf->rx_mbufs[portid].m_table[len++] = m[pkt_idx++];
493 /* increment queue len by however many packets we managed to receive */
494 qconf->rx_mbufs[portid].len += pkt_idx;
496 /* drop the unreceived packets */
497 if (unlikely(pkt_idx < n)) {
498 port_statistics[portid].dropped += n - pkt_idx;
500 rte_pktmbuf_free(m[pkt_idx]);
501 } while (++pkt_idx < n);
504 /* drain the queue halfway through the maximum capacity */
505 if (unlikely(qconf->rx_mbufs[portid].len >= MAX_PKT_BURST))
506 l2fwd_ivshmem_receive_burst(qconf, portid, vm_port);
511 /* loop for host forwarding mode.
512 * the data flow is as follows:
513 * 1) get packets from TX queue and send it out from a given port
514 * 2) RX packets from given port and enqueue them on RX ring
515 * 3) dequeue packets from TX ring and put them on TX queue for a given port
520 struct rte_mbuf *pkts_burst[MAX_PKT_BURST * 2];
523 uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc;
524 unsigned i, j, portid, nb_rx;
525 struct lcore_queue_conf *qconf;
527 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
532 lcore_id = rte_lcore_id();
533 qconf = &lcore_queue_conf[lcore_id];
535 if (qconf->n_rx_port == 0) {
536 RTE_LOG(INFO, L2FWD_IVSHMEM, "lcore %u has nothing to do\n", lcore_id);
540 RTE_LOG(INFO, L2FWD_IVSHMEM, "entering main loop on lcore %u\n", lcore_id);
542 for (i = 0; i < qconf->n_rx_port; i++) {
544 portid = qconf->rx_port_list[i];
545 RTE_LOG(INFO, L2FWD_IVSHMEM, " -- lcoreid=%u portid=%u\n", lcore_id,
549 while (ctrl->state == STATE_FWD) {
551 cur_tsc = rte_rdtsc();
556 diff_tsc = cur_tsc - prev_tsc;
557 if (unlikely(diff_tsc > drain_tsc)) {
562 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
563 if (qconf->tx_mbufs[portid].len == 0)
565 l2fwd_ivshmem_send_burst(qconf,
566 qconf->tx_mbufs[portid].len,
568 qconf->tx_mbufs[portid].len = 0;
574 for (i = 0; i < qconf->n_rx_port; i++) {
575 portid = qconf->rx_port_list[i];
576 if (qconf->rx_mbufs[portid].len == 0)
578 l2fwd_ivshmem_receive_burst(qconf, portid, i);
579 qconf->rx_mbufs[portid].len = 0;
582 /* if timer is enabled */
583 if (timer_period > 0) {
585 /* advance the timer */
586 timer_tsc += diff_tsc;
588 /* if timer has reached its timeout */
589 if (unlikely(timer_tsc >= (uint64_t) timer_period)) {
591 /* do this only on master core */
592 if (lcore_id == rte_get_master_lcore()) {
594 /* reset the timer */
604 * packet RX and forwarding
606 for (i = 0; i < qconf->n_rx_port; i++) {
608 /* RX packets from port and put them on RX ring */
609 portid = qconf->rx_port_list[i];
610 nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
611 pkts_burst, MAX_PKT_BURST);
614 l2fwd_ivshmem_receive_packets(pkts_burst, nb_rx, portid, i);
616 /* dequeue packets from TX ring and send them to TX queue */
617 tx = qconf->port_param[i]->tx_ring;
619 nb_rx = rte_ring_count(tx);
621 nb_rx = RTE_MIN(nb_rx, (unsigned) MAX_PKT_BURST);
626 /* should not happen */
627 if (unlikely(rte_ring_dequeue_bulk(tx, (void**) pkts_burst, nb_rx) < 0)) {
628 ctrl->state = STATE_FAIL;
632 for (j = 0; j < nb_rx; j++) {
634 l2fwd_ivshmem_send_packet(m, portid);
641 l2fwd_ivshmem_launch_one_lcore(__attribute__((unused)) void *dummy)
647 int main(int argc, char **argv)
649 char name[RTE_RING_NAMESIZE];
651 struct lcore_queue_conf *qconf;
652 struct rte_eth_dev_info dev_info;
653 uint8_t portid, port_nr;
654 uint8_t nb_ports, nb_ports_available;
655 uint8_t nb_ports_in_mask;
657 unsigned lcore_id, rx_lcore_id;
660 ret = rte_eal_init(argc, argv);
662 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
666 /* parse application arguments (after the EAL ones) */
667 ret = l2fwd_ivshmem_parse_args(argc, argv);
669 rte_exit(EXIT_FAILURE, "Invalid l2fwd-ivshmem arguments\n");
671 /* create a shared mbuf pool */
672 l2fwd_ivshmem_pktmbuf_pool =
673 rte_mempool_create(MBUF_MP_NAME, NB_MBUF,
675 sizeof(struct rte_pktmbuf_pool_private),
676 rte_pktmbuf_pool_init, NULL,
677 rte_pktmbuf_init, NULL,
679 if (l2fwd_ivshmem_pktmbuf_pool == NULL)
680 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n");
682 nb_ports = rte_eth_dev_count();
684 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n");
686 if (nb_ports > RTE_MAX_ETHPORTS)
687 nb_ports = RTE_MAX_ETHPORTS;
690 * reserve memzone to communicate with VMs - we cannot use rte_malloc here
691 * because while it is technically possible, it is a very bad idea to share
692 * the heap between two primary processes.
694 ctrl_mz = rte_memzone_reserve(CTRL_MZ_NAME, sizeof(struct ivshmem_ctrl),
697 rte_exit(EXIT_FAILURE, "Cannot reserve control memzone\n");
698 ctrl = (struct ivshmem_ctrl*) ctrl_mz->addr;
700 memset(ctrl, 0, sizeof(struct ivshmem_ctrl));
703 * Each port is assigned an output port.
705 nb_ports_in_mask = 0;
706 for (portid = 0; portid < nb_ports; portid++) {
707 /* skip ports that are not enabled */
708 if ((l2fwd_ivshmem_enabled_port_mask & (1 << portid)) == 0)
711 ctrl->vm_ports[nb_ports_in_mask].dst = &ctrl->vm_ports[nb_ports_in_mask-1];
712 ctrl->vm_ports[nb_ports_in_mask-1].dst = &ctrl->vm_ports[nb_ports_in_mask];
717 rte_eth_dev_info_get(portid, &dev_info);
719 if (nb_ports_in_mask % 2) {
720 printf("Notice: odd number of ports in portmask.\n");
721 ctrl->vm_ports[nb_ports_in_mask-1].dst =
722 &ctrl->vm_ports[nb_ports_in_mask-1];
728 printf("Initializing ports configuration...\n");
730 nb_ports_available = nb_ports;
732 /* Initialise each port */
733 for (portid = 0; portid < nb_ports; portid++) {
735 /* skip ports that are not enabled */
736 if ((l2fwd_ivshmem_enabled_port_mask & (1 << portid)) == 0) {
737 printf("Skipping disabled port %u\n", (unsigned) portid);
738 nb_ports_available--;
743 printf("Initializing port %u... ", (unsigned) portid);
745 ret = rte_eth_dev_configure(portid, 1, 1, &port_conf);
747 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
748 ret, (unsigned) portid);
750 rte_eth_macaddr_get(portid,&l2fwd_ivshmem_ports_eth_addr[portid]);
752 /* init one RX queue */
754 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
755 rte_eth_dev_socket_id(portid),
757 l2fwd_ivshmem_pktmbuf_pool);
759 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup:err=%d, port=%u\n",
760 ret, (unsigned) portid);
762 /* init one TX queue on each port */
764 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
765 rte_eth_dev_socket_id(portid),
768 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup:err=%d, port=%u\n",
769 ret, (unsigned) portid);
772 ret = rte_eth_dev_start(portid);
774 rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n",
775 ret, (unsigned) portid);
779 rte_eth_promiscuous_enable(portid);
781 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
783 l2fwd_ivshmem_ports_eth_addr[portid].addr_bytes[0],
784 l2fwd_ivshmem_ports_eth_addr[portid].addr_bytes[1],
785 l2fwd_ivshmem_ports_eth_addr[portid].addr_bytes[2],
786 l2fwd_ivshmem_ports_eth_addr[portid].addr_bytes[3],
787 l2fwd_ivshmem_ports_eth_addr[portid].addr_bytes[4],
788 l2fwd_ivshmem_ports_eth_addr[portid].addr_bytes[5]);
790 /* initialize port stats */
791 memset(&port_statistics, 0, sizeof(port_statistics));
794 if (!nb_ports_available) {
795 rte_exit(EXIT_FAILURE,
796 "All available ports are disabled. Please set portmask.\n");
800 /* Initialize the port/queue configuration of each logical core */
801 for (portid = 0; portid < nb_ports; portid++) {
802 if ((l2fwd_ivshmem_enabled_port_mask & (1 << portid)) == 0)
805 /* get the lcore_id for this port */
806 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
807 lcore_queue_conf[rx_lcore_id].n_rx_port ==
808 l2fwd_ivshmem_rx_queue_per_lcore) {
810 if (rx_lcore_id >= RTE_MAX_LCORE)
811 rte_exit(EXIT_FAILURE, "Not enough cores\n");
814 if (qconf != &lcore_queue_conf[rx_lcore_id])
815 /* Assigned a new logical core in the loop above. */
816 qconf = &lcore_queue_conf[rx_lcore_id];
819 rte_eth_macaddr_get(portid, &ctrl->vm_ports[port_nr].ethaddr);
821 qconf->rx_port_list[qconf->n_rx_port] = portid;
822 qconf->port_param[qconf->n_rx_port] = &ctrl->vm_ports[port_nr];
825 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned) portid);
828 check_all_ports_link_status(nb_ports_available, l2fwd_ivshmem_enabled_port_mask);
830 /* create rings for each VM port (several ports can be on the same VM).
831 * note that we store the pointers in ctrl - that way, they are the same
832 * and valid across all VMs because ctrl is also in DPDK memory */
833 for (portid = 0; portid < nb_ports_available; portid++) {
835 /* RX ring. SP/SC because it's only used by host and a single VM */
836 snprintf(name, sizeof(name), "%s%i", RX_RING_PREFIX, portid);
837 r = rte_ring_create(name, NB_MBUF,
838 SOCKET_ID_ANY, RING_F_SP_ENQ | RING_F_SC_DEQ);
840 rte_exit(EXIT_FAILURE, "Cannot create ring %s\n", name);
842 ctrl->vm_ports[portid].rx_ring = r;
844 /* TX ring. SP/SC because it's only used by host and a single VM */
845 snprintf(name, sizeof(name), "%s%i", TX_RING_PREFIX, portid);
846 r = rte_ring_create(name, NB_MBUF,
847 SOCKET_ID_ANY, RING_F_SP_ENQ | RING_F_SC_DEQ);
849 rte_exit(EXIT_FAILURE, "Cannot create ring %s\n", name);
851 ctrl->vm_ports[portid].tx_ring = r;
854 /* create metadata, output cmdline */
855 if (rte_ivshmem_metadata_create(METADATA_NAME) < 0)
856 rte_exit(EXIT_FAILURE, "Cannot create IVSHMEM metadata\n");
858 if (rte_ivshmem_metadata_add_memzone(ctrl_mz, METADATA_NAME))
859 rte_exit(EXIT_FAILURE, "Cannot add memzone to IVSHMEM metadata\n");
861 if (rte_ivshmem_metadata_add_mempool(l2fwd_ivshmem_pktmbuf_pool, METADATA_NAME))
862 rte_exit(EXIT_FAILURE, "Cannot add mbuf mempool to IVSHMEM metadata\n");
864 for (portid = 0; portid < nb_ports_available; portid++) {
865 if (rte_ivshmem_metadata_add_ring(ctrl->vm_ports[portid].rx_ring,
867 rte_exit(EXIT_FAILURE, "Cannot add ring %s to IVSHMEM metadata\n",
868 ctrl->vm_ports[portid].rx_ring->name);
869 if (rte_ivshmem_metadata_add_ring(ctrl->vm_ports[portid].tx_ring,
871 rte_exit(EXIT_FAILURE, "Cannot add ring %s to IVSHMEM metadata\n",
872 ctrl->vm_ports[portid].tx_ring->name);
874 generate_ivshmem_cmdline(METADATA_NAME);
876 ctrl->nb_ports = nb_ports_available;
878 printf("Waiting for VM to initialize...\n");
880 /* wait for VM to initialize */
881 while (ctrl->state != STATE_FWD) {
882 if (ctrl->state == STATE_FAIL)
883 rte_exit(EXIT_FAILURE, "VM reported failure\n");
892 /* launch per-lcore init on every lcore */
893 rte_eal_mp_remote_launch(l2fwd_ivshmem_launch_one_lcore, NULL, CALL_MASTER);
894 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
895 if (rte_eal_wait_lcore(lcore_id) < 0)
899 if (ctrl->state == STATE_FAIL)
900 rte_exit(EXIT_FAILURE, "VM reported failure\n");