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44 #include <rte_cycles.h>
45 #include <rte_eal_memconfig.h>
46 #include <rte_debug.h>
47 #include <rte_ether.h>
48 #include <rte_ethdev.h>
49 #include <rte_string_fns.h>
50 #include <rte_ivshmem.h>
52 #include <rte_mempool.h>
55 #include "../include/common.h"
58 * Configurable number of RX/TX ring descriptors
60 #define RTE_TEST_RX_DESC_DEFAULT 128
61 #define RTE_TEST_TX_DESC_DEFAULT 512
62 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
63 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
65 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
67 /* mask of enabled ports */
68 static uint32_t l2fwd_ivshmem_enabled_port_mask = 0;
70 static struct ether_addr l2fwd_ivshmem_ports_eth_addr[RTE_MAX_ETHPORTS];
74 #define MAX_RX_QUEUE_PER_LCORE 16
75 #define MAX_TX_QUEUE_PER_PORT 16
76 struct lcore_queue_conf {
78 unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
79 struct vm_port_param * port_param[MAX_RX_QUEUE_PER_LCORE];
80 struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
81 struct mbuf_table rx_mbufs[RTE_MAX_ETHPORTS];
82 } __rte_cache_aligned;
83 static struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
85 static const struct rte_eth_conf port_conf = {
88 .header_split = 0, /**< Header Split disabled */
89 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
90 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
91 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
92 .hw_strip_crc = 0, /**< CRC stripped by hardware */
95 .mq_mode = ETH_MQ_TX_NONE,
99 #define METADATA_NAME "l2fwd_ivshmem"
100 #define CMDLINE_OPT_FWD_CONF "fwd-conf"
102 #define QEMU_CMD_FMT "/tmp/ivshmem_qemu_cmdline_%s"
104 struct port_statistics port_statistics[RTE_MAX_ETHPORTS];
106 struct rte_mempool * l2fwd_ivshmem_pktmbuf_pool = NULL;
108 /* Print out statistics on packets dropped */
112 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
113 uint64_t total_vm_packets_dropped, total_vm_packets_tx, total_vm_packets_rx;
116 total_packets_dropped = 0;
117 total_packets_tx = 0;
118 total_packets_rx = 0;
119 total_vm_packets_tx = 0;
120 total_vm_packets_rx = 0;
122 const char clr[] = { 27, '[', '2', 'J', '\0' };
123 const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' };
125 /* Clear screen and move to top left */
126 printf("%s%s", clr, topLeft);
128 printf("\nPort statistics ====================================");
130 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
131 /* skip disabled ports */
132 if ((l2fwd_ivshmem_enabled_port_mask & (1 << portid)) == 0)
134 printf("\nStatistics for port %u ------------------------------"
135 "\nPackets sent: %24"PRIu64
136 "\nPackets received: %20"PRIu64
137 "\nPackets dropped: %21"PRIu64,
139 port_statistics[portid].tx,
140 port_statistics[portid].rx,
141 port_statistics[portid].dropped);
143 total_packets_dropped += port_statistics[portid].dropped;
144 total_packets_tx += port_statistics[portid].tx;
145 total_packets_rx += port_statistics[portid].rx;
148 printf("\nVM statistics ======================================");
149 for (portid = 0; portid < ctrl->nb_ports; portid++) {
150 printf("\nStatistics for port %u ------------------------------"
151 "\nPackets sent: %24"PRIu64
152 "\nPackets received: %20"PRIu64,
154 ctrl->vm_ports[portid].stats.tx,
155 ctrl->vm_ports[portid].stats.rx);
157 total_vm_packets_dropped += ctrl->vm_ports[portid].stats.dropped;
158 total_vm_packets_tx += ctrl->vm_ports[portid].stats.tx;
159 total_vm_packets_rx += ctrl->vm_ports[portid].stats.rx;
161 printf("\nAggregate statistics ==============================="
162 "\nTotal packets sent: %18"PRIu64
163 "\nTotal packets received: %14"PRIu64
164 "\nTotal packets dropped: %15"PRIu64
165 "\nTotal VM packets sent: %15"PRIu64
166 "\nTotal VM packets received: %11"PRIu64,
169 total_packets_dropped,
171 total_vm_packets_rx);
172 printf("\n====================================================\n");
176 print_to_file(const char *cmdline, const char *config_name)
181 snprintf(path, sizeof(path), QEMU_CMD_FMT, config_name);
182 file = fopen(path, "w");
184 RTE_LOG(ERR, L2FWD_IVSHMEM, "Could not open '%s' \n", path);
188 RTE_LOG(DEBUG, L2FWD_IVSHMEM, "QEMU command line for config '%s': %s \n",
189 config_name, cmdline);
191 fprintf(file, "%s\n", cmdline);
197 generate_ivshmem_cmdline(const char *config_name)
199 char cmdline[PATH_MAX];
200 if (rte_ivshmem_metadata_cmdline_generate(cmdline, sizeof(cmdline),
204 if (print_to_file(cmdline, config_name) < 0)
207 rte_ivshmem_metadata_dump(stdout, config_name);
213 l2fwd_ivshmem_usage(const char *prgname)
215 printf("%s [EAL options] -- -p PORTMASK [-q NQ -T PERIOD]\n"
216 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
217 " -q NQ: number of queue (=ports) per lcore (default is 1)\n"
218 " -T PERIOD: statistics will be refreshed each PERIOD seconds "
219 "(0 to disable, 10 default, 86400 maximum)\n",
224 l2fwd_ivshmem_parse_nqueue(const char *q_arg)
229 /* parse hexadecimal string */
230 n = strtoul(q_arg, &end, 10);
231 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
235 if (n >= MAX_RX_QUEUE_PER_LCORE)
242 l2fwd_ivshmem_parse_portmask(const char *portmask)
247 /* parse hexadecimal string */
248 pm = strtoul(portmask, &end, 16);
249 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
259 l2fwd_ivshmem_parse_timer_period(const char *q_arg)
264 /* parse number string */
265 n = strtol(q_arg, &end, 10);
266 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
268 if (n >= MAX_TIMER_PERIOD)
274 /* Parse the argument given in the command line of the application */
276 l2fwd_ivshmem_parse_args(int argc, char **argv)
281 char *prgname = argv[0];
282 static struct option lgopts[] = {
283 {CMDLINE_OPT_FWD_CONF, 1, 0, 0},
289 while ((opt = getopt_long(argc, argvopt, "q:p:T:",
290 lgopts, &option_index)) != EOF) {
295 l2fwd_ivshmem_enabled_port_mask = l2fwd_ivshmem_parse_portmask(optarg);
296 if (l2fwd_ivshmem_enabled_port_mask == 0) {
297 printf("invalid portmask\n");
298 l2fwd_ivshmem_usage(prgname);
305 l2fwd_ivshmem_rx_queue_per_lcore = l2fwd_ivshmem_parse_nqueue(optarg);
306 if (l2fwd_ivshmem_rx_queue_per_lcore == 0) {
307 printf("invalid queue number\n");
308 l2fwd_ivshmem_usage(prgname);
315 timer_period = l2fwd_ivshmem_parse_timer_period(optarg) * 1000 * TIMER_MILLISECOND;
316 if (timer_period < 0) {
317 printf("invalid timer period\n");
318 l2fwd_ivshmem_usage(prgname);
325 l2fwd_ivshmem_usage(prgname);
329 l2fwd_ivshmem_usage(prgname);
335 argv[optind-1] = prgname;
338 optind = 0; /* reset getopt lib */
342 /* Check the link status of all ports in up to 9s, and print them finally */
344 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
346 #define CHECK_INTERVAL 100 /* 100ms */
347 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
348 uint8_t portid, count, all_ports_up, print_flag = 0;
349 struct rte_eth_link link;
351 printf("\nChecking link status");
353 for (count = 0; count <= MAX_CHECK_TIME; count++) {
355 for (portid = 0; portid < port_num; portid++) {
356 if ((port_mask & (1 << portid)) == 0)
358 memset(&link, 0, sizeof(link));
359 rte_eth_link_get_nowait(portid, &link);
360 /* print link status if flag set */
361 if (print_flag == 1) {
362 if (link.link_status)
363 printf("Port %d Link Up - speed %u "
364 "Mbps - %s\n", (uint8_t)portid,
365 (unsigned)link.link_speed,
366 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
367 ("full-duplex") : ("half-duplex\n"));
369 printf("Port %d Link Down\n",
373 /* clear all_ports_up flag if any link down */
374 if (link.link_status == ETH_LINK_DOWN) {
379 /* after finally printing all link status, get out */
383 if (all_ports_up == 0) {
386 rte_delay_ms(CHECK_INTERVAL);
389 /* set the print_flag if all ports up or timeout */
390 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
397 /* Send the burst of packets on an output interface */
399 l2fwd_ivshmem_send_burst(struct lcore_queue_conf *qconf, unsigned n, uint8_t port)
401 struct rte_mbuf **m_table;
405 m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
407 ret = rte_eth_tx_burst(port, (uint16_t) queueid, m_table, (uint16_t) n);
408 port_statistics[port].tx += ret;
409 if (unlikely(ret < n)) {
410 port_statistics[port].dropped += (n - ret);
412 rte_pktmbuf_free(m_table[ret]);
419 /* Enqueue packets for TX and prepare them to be sent on the network */
421 l2fwd_ivshmem_send_packet(struct rte_mbuf *m, uint8_t port)
423 unsigned lcore_id, len;
424 struct lcore_queue_conf *qconf;
426 lcore_id = rte_lcore_id();
428 qconf = &lcore_queue_conf[lcore_id];
429 len = qconf->tx_mbufs[port].len;
430 qconf->tx_mbufs[port].m_table[len] = m;
433 /* enough pkts to be sent */
434 if (unlikely(len == MAX_PKT_BURST)) {
435 l2fwd_ivshmem_send_burst(qconf, MAX_PKT_BURST, port);
439 qconf->tx_mbufs[port].len = len;
444 l2fwd_ivshmem_receive_burst(struct lcore_queue_conf *qconf, unsigned portid,
447 struct rte_mbuf ** m;
448 struct rte_ring * rx;
449 unsigned len, pkt_idx;
451 m = qconf->rx_mbufs[portid].m_table;
452 len = qconf->rx_mbufs[portid].len;
453 rx = qconf->port_param[vm_port]->rx_ring;
455 /* if enqueueing failed, ring is probably full, so drop the packets */
456 if (rte_ring_enqueue_bulk(rx, (void**) m, len) < 0) {
457 port_statistics[portid].dropped += len;
461 rte_pktmbuf_free(m[pkt_idx]);
462 } while (++pkt_idx < len);
465 /* increment rx stats by however many packets we managed to receive */
466 port_statistics[portid].rx += len;
471 /* Enqueue packets for RX and prepare them to be sent to VM */
473 l2fwd_ivshmem_receive_packets(struct rte_mbuf ** m, unsigned n, unsigned portid,
476 unsigned lcore_id, len, pkt_idx;
477 struct lcore_queue_conf *qconf;
479 lcore_id = rte_lcore_id();
481 qconf = &lcore_queue_conf[lcore_id];
483 len = qconf->rx_mbufs[portid].len;
486 /* enqueue packets */
487 while (pkt_idx < n && len < MAX_PKT_BURST * 2) {
488 qconf->rx_mbufs[portid].m_table[len++] = m[pkt_idx++];
491 /* increment queue len by however many packets we managed to receive */
492 qconf->rx_mbufs[portid].len += pkt_idx;
494 /* drop the unreceived packets */
495 if (unlikely(pkt_idx < n)) {
496 port_statistics[portid].dropped += n - pkt_idx;
498 rte_pktmbuf_free(m[pkt_idx]);
499 } while (++pkt_idx < n);
502 /* drain the queue halfway through the maximum capacity */
503 if (unlikely(qconf->rx_mbufs[portid].len >= MAX_PKT_BURST))
504 l2fwd_ivshmem_receive_burst(qconf, portid, vm_port);
509 /* loop for host forwarding mode.
510 * the data flow is as follows:
511 * 1) get packets from TX queue and send it out from a given port
512 * 2) RX packets from given port and enqueue them on RX ring
513 * 3) dequeue packets from TX ring and put them on TX queue for a given port
518 struct rte_mbuf *pkts_burst[MAX_PKT_BURST * 2];
521 uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc;
522 unsigned i, j, portid, nb_rx;
523 struct lcore_queue_conf *qconf;
525 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
530 lcore_id = rte_lcore_id();
531 qconf = &lcore_queue_conf[lcore_id];
533 if (qconf->n_rx_port == 0) {
534 RTE_LOG(INFO, L2FWD_IVSHMEM, "lcore %u has nothing to do\n", lcore_id);
538 RTE_LOG(INFO, L2FWD_IVSHMEM, "entering main loop on lcore %u\n", lcore_id);
540 for (i = 0; i < qconf->n_rx_port; i++) {
542 portid = qconf->rx_port_list[i];
543 RTE_LOG(INFO, L2FWD_IVSHMEM, " -- lcoreid=%u portid=%u\n", lcore_id,
547 while (ctrl->state == STATE_FWD) {
549 cur_tsc = rte_rdtsc();
554 diff_tsc = cur_tsc - prev_tsc;
555 if (unlikely(diff_tsc > drain_tsc)) {
560 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
561 if (qconf->tx_mbufs[portid].len == 0)
563 l2fwd_ivshmem_send_burst(qconf,
564 qconf->tx_mbufs[portid].len,
566 qconf->tx_mbufs[portid].len = 0;
572 for (i = 0; i < qconf->n_rx_port; i++) {
573 portid = qconf->rx_port_list[i];
574 if (qconf->rx_mbufs[portid].len == 0)
576 l2fwd_ivshmem_receive_burst(qconf, portid, i);
577 qconf->rx_mbufs[portid].len = 0;
580 /* if timer is enabled */
581 if (timer_period > 0) {
583 /* advance the timer */
584 timer_tsc += diff_tsc;
586 /* if timer has reached its timeout */
587 if (unlikely(timer_tsc >= (uint64_t) timer_period)) {
589 /* do this only on master core */
590 if (lcore_id == rte_get_master_lcore()) {
592 /* reset the timer */
602 * packet RX and forwarding
604 for (i = 0; i < qconf->n_rx_port; i++) {
606 /* RX packets from port and put them on RX ring */
607 portid = qconf->rx_port_list[i];
608 nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
609 pkts_burst, MAX_PKT_BURST);
612 l2fwd_ivshmem_receive_packets(pkts_burst, nb_rx, portid, i);
614 /* dequeue packets from TX ring and send them to TX queue */
615 tx = qconf->port_param[i]->tx_ring;
617 nb_rx = rte_ring_count(tx);
619 nb_rx = RTE_MIN(nb_rx, (unsigned) MAX_PKT_BURST);
624 /* should not happen */
625 if (unlikely(rte_ring_dequeue_bulk(tx, (void**) pkts_burst, nb_rx) < 0)) {
626 ctrl->state = STATE_FAIL;
630 for (j = 0; j < nb_rx; j++) {
632 l2fwd_ivshmem_send_packet(m, portid);
639 l2fwd_ivshmem_launch_one_lcore(__attribute__((unused)) void *dummy)
645 int main(int argc, char **argv)
647 char name[RTE_RING_NAMESIZE];
649 struct lcore_queue_conf *qconf;
650 struct rte_eth_dev_info dev_info;
651 uint8_t portid, port_nr;
652 uint8_t nb_ports, nb_ports_available;
653 uint8_t nb_ports_in_mask;
655 unsigned lcore_id, rx_lcore_id;
658 ret = rte_eal_init(argc, argv);
660 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
664 /* parse application arguments (after the EAL ones) */
665 ret = l2fwd_ivshmem_parse_args(argc, argv);
667 rte_exit(EXIT_FAILURE, "Invalid l2fwd-ivshmem arguments\n");
669 /* create a shared mbuf pool */
670 l2fwd_ivshmem_pktmbuf_pool =
671 rte_pktmbuf_pool_create(MBUF_MP_NAME, NB_MBUF, 32,
672 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
673 if (l2fwd_ivshmem_pktmbuf_pool == NULL)
674 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n");
676 nb_ports = rte_eth_dev_count();
678 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n");
681 * reserve memzone to communicate with VMs - we cannot use rte_malloc here
682 * because while it is technically possible, it is a very bad idea to share
683 * the heap between two primary processes.
685 ctrl_mz = rte_memzone_reserve(CTRL_MZ_NAME, sizeof(struct ivshmem_ctrl),
688 rte_exit(EXIT_FAILURE, "Cannot reserve control memzone\n");
689 ctrl = (struct ivshmem_ctrl*) ctrl_mz->addr;
691 memset(ctrl, 0, sizeof(struct ivshmem_ctrl));
694 * Each port is assigned an output port.
696 nb_ports_in_mask = 0;
697 for (portid = 0; portid < nb_ports; portid++) {
698 /* skip ports that are not enabled */
699 if ((l2fwd_ivshmem_enabled_port_mask & (1 << portid)) == 0)
702 ctrl->vm_ports[nb_ports_in_mask].dst = &ctrl->vm_ports[nb_ports_in_mask-1];
703 ctrl->vm_ports[nb_ports_in_mask-1].dst = &ctrl->vm_ports[nb_ports_in_mask];
708 rte_eth_dev_info_get(portid, &dev_info);
710 if (nb_ports_in_mask % 2) {
711 printf("Notice: odd number of ports in portmask.\n");
712 ctrl->vm_ports[nb_ports_in_mask-1].dst =
713 &ctrl->vm_ports[nb_ports_in_mask-1];
719 printf("Initializing ports configuration...\n");
721 nb_ports_available = nb_ports;
723 /* Initialise each port */
724 for (portid = 0; portid < nb_ports; portid++) {
726 /* skip ports that are not enabled */
727 if ((l2fwd_ivshmem_enabled_port_mask & (1 << portid)) == 0) {
728 printf("Skipping disabled port %u\n", (unsigned) portid);
729 nb_ports_available--;
734 printf("Initializing port %u... ", (unsigned) portid);
736 ret = rte_eth_dev_configure(portid, 1, 1, &port_conf);
738 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
739 ret, (unsigned) portid);
741 rte_eth_macaddr_get(portid,&l2fwd_ivshmem_ports_eth_addr[portid]);
743 /* init one RX queue */
745 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
746 rte_eth_dev_socket_id(portid),
748 l2fwd_ivshmem_pktmbuf_pool);
750 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup:err=%d, port=%u\n",
751 ret, (unsigned) portid);
753 /* init one TX queue on each port */
755 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
756 rte_eth_dev_socket_id(portid),
759 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup:err=%d, port=%u\n",
760 ret, (unsigned) portid);
763 ret = rte_eth_dev_start(portid);
765 rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n",
766 ret, (unsigned) portid);
770 rte_eth_promiscuous_enable(portid);
772 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
774 l2fwd_ivshmem_ports_eth_addr[portid].addr_bytes[0],
775 l2fwd_ivshmem_ports_eth_addr[portid].addr_bytes[1],
776 l2fwd_ivshmem_ports_eth_addr[portid].addr_bytes[2],
777 l2fwd_ivshmem_ports_eth_addr[portid].addr_bytes[3],
778 l2fwd_ivshmem_ports_eth_addr[portid].addr_bytes[4],
779 l2fwd_ivshmem_ports_eth_addr[portid].addr_bytes[5]);
781 /* initialize port stats */
782 memset(&port_statistics, 0, sizeof(port_statistics));
785 if (!nb_ports_available) {
786 rte_exit(EXIT_FAILURE,
787 "All available ports are disabled. Please set portmask.\n");
791 /* Initialize the port/queue configuration of each logical core */
792 for (portid = 0; portid < nb_ports; portid++) {
793 if ((l2fwd_ivshmem_enabled_port_mask & (1 << portid)) == 0)
796 /* get the lcore_id for this port */
797 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
798 lcore_queue_conf[rx_lcore_id].n_rx_port ==
799 l2fwd_ivshmem_rx_queue_per_lcore) {
801 if (rx_lcore_id >= RTE_MAX_LCORE)
802 rte_exit(EXIT_FAILURE, "Not enough cores\n");
805 if (qconf != &lcore_queue_conf[rx_lcore_id])
806 /* Assigned a new logical core in the loop above. */
807 qconf = &lcore_queue_conf[rx_lcore_id];
810 rte_eth_macaddr_get(portid, &ctrl->vm_ports[port_nr].ethaddr);
812 qconf->rx_port_list[qconf->n_rx_port] = portid;
813 qconf->port_param[qconf->n_rx_port] = &ctrl->vm_ports[port_nr];
816 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned) portid);
819 check_all_ports_link_status(nb_ports_available, l2fwd_ivshmem_enabled_port_mask);
821 /* create rings for each VM port (several ports can be on the same VM).
822 * note that we store the pointers in ctrl - that way, they are the same
823 * and valid across all VMs because ctrl is also in DPDK memory */
824 for (portid = 0; portid < nb_ports_available; portid++) {
826 /* RX ring. SP/SC because it's only used by host and a single VM */
827 snprintf(name, sizeof(name), "%s%i", RX_RING_PREFIX, portid);
828 r = rte_ring_create(name, NB_MBUF,
829 SOCKET_ID_ANY, RING_F_SP_ENQ | RING_F_SC_DEQ);
831 rte_exit(EXIT_FAILURE, "Cannot create ring %s\n", name);
833 ctrl->vm_ports[portid].rx_ring = r;
835 /* TX ring. SP/SC because it's only used by host and a single VM */
836 snprintf(name, sizeof(name), "%s%i", TX_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].tx_ring = r;
845 /* create metadata, output cmdline */
846 if (rte_ivshmem_metadata_create(METADATA_NAME) < 0)
847 rte_exit(EXIT_FAILURE, "Cannot create IVSHMEM metadata\n");
849 if (rte_ivshmem_metadata_add_memzone(ctrl_mz, METADATA_NAME))
850 rte_exit(EXIT_FAILURE, "Cannot add memzone to IVSHMEM metadata\n");
852 if (rte_ivshmem_metadata_add_mempool(l2fwd_ivshmem_pktmbuf_pool, METADATA_NAME))
853 rte_exit(EXIT_FAILURE, "Cannot add mbuf mempool to IVSHMEM metadata\n");
855 for (portid = 0; portid < nb_ports_available; portid++) {
856 if (rte_ivshmem_metadata_add_ring(ctrl->vm_ports[portid].rx_ring,
858 rte_exit(EXIT_FAILURE, "Cannot add ring %s to IVSHMEM metadata\n",
859 ctrl->vm_ports[portid].rx_ring->name);
860 if (rte_ivshmem_metadata_add_ring(ctrl->vm_ports[portid].tx_ring,
862 rte_exit(EXIT_FAILURE, "Cannot add ring %s to IVSHMEM metadata\n",
863 ctrl->vm_ports[portid].tx_ring->name);
865 generate_ivshmem_cmdline(METADATA_NAME);
867 ctrl->nb_ports = nb_ports_available;
869 printf("Waiting for VM to initialize...\n");
871 /* wait for VM to initialize */
872 while (ctrl->state != STATE_FWD) {
873 if (ctrl->state == STATE_FAIL)
874 rte_exit(EXIT_FAILURE, "VM reported failure\n");
883 /* launch per-lcore init on every lcore */
884 rte_eal_mp_remote_launch(l2fwd_ivshmem_launch_one_lcore, NULL, CALL_MASTER);
885 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
886 if (rte_eal_wait_lcore(lcore_id) < 0)
890 if (ctrl->state == STATE_FAIL)
891 rte_exit(EXIT_FAILURE, "VM reported failure\n");