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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];
75 #define MAX_RX_QUEUE_PER_LCORE 16
76 #define MAX_TX_QUEUE_PER_PORT 16
77 struct lcore_queue_conf {
79 unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
80 struct vm_port_param * port_param[MAX_RX_QUEUE_PER_LCORE];
81 struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
82 struct mbuf_table rx_mbufs[RTE_MAX_ETHPORTS];
83 } __rte_cache_aligned;
84 static struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
86 static const struct rte_eth_conf port_conf = {
89 .header_split = 0, /**< Header Split disabled */
90 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
91 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
92 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
93 .hw_strip_crc = 0, /**< CRC stripped by hardware */
96 .mq_mode = ETH_MQ_TX_NONE,
100 #define METADATA_NAME "l2fwd_ivshmem"
101 #define CMDLINE_OPT_FWD_CONF "fwd-conf"
103 #define QEMU_CMD_FMT "/tmp/ivshmem_qemu_cmdline_%s"
105 struct port_statistics port_statistics[RTE_MAX_ETHPORTS];
107 struct rte_mempool * l2fwd_ivshmem_pktmbuf_pool = NULL;
109 /* Print out statistics on packets dropped */
113 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
114 uint64_t total_vm_packets_dropped, total_vm_packets_tx, total_vm_packets_rx;
117 total_packets_dropped = 0;
118 total_packets_tx = 0;
119 total_packets_rx = 0;
120 total_vm_packets_tx = 0;
121 total_vm_packets_rx = 0;
123 const char clr[] = { 27, '[', '2', 'J', '\0' };
124 const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' };
126 /* Clear screen and move to top left */
127 printf("%s%s", clr, topLeft);
129 printf("\nPort statistics ====================================");
131 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
132 /* skip disabled ports */
133 if ((l2fwd_ivshmem_enabled_port_mask & (1 << portid)) == 0)
135 printf("\nStatistics for port %u ------------------------------"
136 "\nPackets sent: %24"PRIu64
137 "\nPackets received: %20"PRIu64
138 "\nPackets dropped: %21"PRIu64,
140 port_statistics[portid].tx,
141 port_statistics[portid].rx,
142 port_statistics[portid].dropped);
144 total_packets_dropped += port_statistics[portid].dropped;
145 total_packets_tx += port_statistics[portid].tx;
146 total_packets_rx += port_statistics[portid].rx;
149 printf("\nVM statistics ======================================");
150 for (portid = 0; portid < ctrl->nb_ports; portid++) {
151 printf("\nStatistics for port %u ------------------------------"
152 "\nPackets sent: %24"PRIu64
153 "\nPackets received: %20"PRIu64,
155 ctrl->vm_ports[portid].stats.tx,
156 ctrl->vm_ports[portid].stats.rx);
158 total_vm_packets_dropped += ctrl->vm_ports[portid].stats.dropped;
159 total_vm_packets_tx += ctrl->vm_ports[portid].stats.tx;
160 total_vm_packets_rx += ctrl->vm_ports[portid].stats.rx;
162 printf("\nAggregate statistics ==============================="
163 "\nTotal packets sent: %18"PRIu64
164 "\nTotal packets received: %14"PRIu64
165 "\nTotal packets dropped: %15"PRIu64
166 "\nTotal VM packets sent: %15"PRIu64
167 "\nTotal VM packets received: %11"PRIu64,
170 total_packets_dropped,
172 total_vm_packets_rx);
173 printf("\n====================================================\n");
177 print_to_file(const char *cmdline, const char *config_name)
182 snprintf(path, sizeof(path), QEMU_CMD_FMT, config_name);
183 file = fopen(path, "w");
185 RTE_LOG(ERR, L2FWD_IVSHMEM, "Could not open '%s' \n", path);
189 RTE_LOG(DEBUG, L2FWD_IVSHMEM, "QEMU command line for config '%s': %s \n",
190 config_name, cmdline);
192 fprintf(file, "%s\n", cmdline);
198 generate_ivshmem_cmdline(const char *config_name)
200 char cmdline[PATH_MAX];
201 if (rte_ivshmem_metadata_cmdline_generate(cmdline, sizeof(cmdline),
205 if (print_to_file(cmdline, config_name) < 0)
208 rte_ivshmem_metadata_dump(stdout, config_name);
214 l2fwd_ivshmem_usage(const char *prgname)
216 printf("%s [EAL options] -- -p PORTMASK [-q NQ -T PERIOD]\n"
217 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
218 " -q NQ: number of queue (=ports) per lcore (default is 1)\n"
219 " -T PERIOD: statistics will be refreshed each PERIOD seconds "
220 "(0 to disable, 10 default, 86400 maximum)\n",
225 l2fwd_ivshmem_parse_nqueue(const char *q_arg)
230 /* parse hexadecimal string */
231 n = strtoul(q_arg, &end, 10);
232 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
236 if (n >= MAX_RX_QUEUE_PER_LCORE)
243 l2fwd_ivshmem_parse_portmask(const char *portmask)
248 /* parse hexadecimal string */
249 pm = strtoul(portmask, &end, 16);
250 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
260 l2fwd_ivshmem_parse_timer_period(const char *q_arg)
265 /* parse number string */
266 n = strtol(q_arg, &end, 10);
267 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
269 if (n >= MAX_TIMER_PERIOD)
275 /* Parse the argument given in the command line of the application */
277 l2fwd_ivshmem_parse_args(int argc, char **argv)
282 char *prgname = argv[0];
283 static struct option lgopts[] = {
284 {CMDLINE_OPT_FWD_CONF, 1, 0, 0},
290 while ((opt = getopt_long(argc, argvopt, "q:p:T:",
291 lgopts, &option_index)) != EOF) {
296 l2fwd_ivshmem_enabled_port_mask = l2fwd_ivshmem_parse_portmask(optarg);
297 if (l2fwd_ivshmem_enabled_port_mask == 0) {
298 printf("invalid portmask\n");
299 l2fwd_ivshmem_usage(prgname);
306 l2fwd_ivshmem_rx_queue_per_lcore = l2fwd_ivshmem_parse_nqueue(optarg);
307 if (l2fwd_ivshmem_rx_queue_per_lcore == 0) {
308 printf("invalid queue number\n");
309 l2fwd_ivshmem_usage(prgname);
316 timer_period = l2fwd_ivshmem_parse_timer_period(optarg) * 1000 * TIMER_MILLISECOND;
317 if (timer_period < 0) {
318 printf("invalid timer period\n");
319 l2fwd_ivshmem_usage(prgname);
326 l2fwd_ivshmem_usage(prgname);
330 l2fwd_ivshmem_usage(prgname);
336 argv[optind-1] = prgname;
339 optind = 0; /* reset getopt lib */
343 /* Check the link status of all ports in up to 9s, and print them finally */
345 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
347 #define CHECK_INTERVAL 100 /* 100ms */
348 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
349 uint8_t portid, count, all_ports_up, print_flag = 0;
350 struct rte_eth_link link;
352 printf("\nChecking link status");
354 for (count = 0; count <= MAX_CHECK_TIME; count++) {
356 for (portid = 0; portid < port_num; portid++) {
357 if ((port_mask & (1 << portid)) == 0)
359 memset(&link, 0, sizeof(link));
360 rte_eth_link_get_nowait(portid, &link);
361 /* print link status if flag set */
362 if (print_flag == 1) {
363 if (link.link_status)
364 printf("Port %d Link Up - speed %u "
365 "Mbps - %s\n", (uint8_t)portid,
366 (unsigned)link.link_speed,
367 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
368 ("full-duplex") : ("half-duplex\n"));
370 printf("Port %d Link Down\n",
374 /* clear all_ports_up flag if any link down */
375 if (link.link_status == 0) {
380 /* after finally printing all link status, get out */
384 if (all_ports_up == 0) {
387 rte_delay_ms(CHECK_INTERVAL);
390 /* set the print_flag if all ports up or timeout */
391 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
398 /* Send the burst of packets on an output interface */
400 l2fwd_ivshmem_send_burst(struct lcore_queue_conf *qconf, unsigned n, uint8_t port)
402 struct rte_mbuf **m_table;
406 m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
408 ret = rte_eth_tx_burst(port, (uint16_t) queueid, m_table, (uint16_t) n);
409 port_statistics[port].tx += ret;
410 if (unlikely(ret < n)) {
411 port_statistics[port].dropped += (n - ret);
413 rte_pktmbuf_free(m_table[ret]);
420 /* Enqueue packets for TX and prepare them to be sent on the network */
422 l2fwd_ivshmem_send_packet(struct rte_mbuf *m, uint8_t port)
424 unsigned lcore_id, len;
425 struct lcore_queue_conf *qconf;
427 lcore_id = rte_lcore_id();
429 qconf = &lcore_queue_conf[lcore_id];
430 len = qconf->tx_mbufs[port].len;
431 qconf->tx_mbufs[port].m_table[len] = m;
434 /* enough pkts to be sent */
435 if (unlikely(len == MAX_PKT_BURST)) {
436 l2fwd_ivshmem_send_burst(qconf, MAX_PKT_BURST, port);
440 qconf->tx_mbufs[port].len = len;
445 l2fwd_ivshmem_receive_burst(struct lcore_queue_conf *qconf, unsigned portid,
448 struct rte_mbuf ** m;
449 struct rte_ring * rx;
450 unsigned len, pkt_idx;
452 m = qconf->rx_mbufs[portid].m_table;
453 len = qconf->rx_mbufs[portid].len;
454 rx = qconf->port_param[vm_port]->rx_ring;
456 /* if enqueueing failed, ring is probably full, so drop the packets */
457 if (rte_ring_enqueue_bulk(rx, (void**) m, len) < 0) {
458 port_statistics[portid].dropped += len;
462 rte_pktmbuf_free(m[pkt_idx]);
463 } while (++pkt_idx < len);
466 /* increment rx stats by however many packets we managed to receive */
467 port_statistics[portid].rx += len;
472 /* Enqueue packets for RX and prepare them to be sent to VM */
474 l2fwd_ivshmem_receive_packets(struct rte_mbuf ** m, unsigned n, unsigned portid,
477 unsigned lcore_id, len, pkt_idx;
478 struct lcore_queue_conf *qconf;
480 lcore_id = rte_lcore_id();
482 qconf = &lcore_queue_conf[lcore_id];
484 len = qconf->rx_mbufs[portid].len;
487 /* enqueue packets */
488 while (pkt_idx < n && len < MAX_PKT_BURST * 2) {
489 qconf->rx_mbufs[portid].m_table[len++] = m[pkt_idx++];
492 /* increment queue len by however many packets we managed to receive */
493 qconf->rx_mbufs[portid].len += pkt_idx;
495 /* drop the unreceived packets */
496 if (unlikely(pkt_idx < n)) {
497 port_statistics[portid].dropped += n - pkt_idx;
499 rte_pktmbuf_free(m[pkt_idx]);
500 } while (++pkt_idx < n);
503 /* drain the queue halfway through the maximum capacity */
504 if (unlikely(qconf->rx_mbufs[portid].len >= MAX_PKT_BURST))
505 l2fwd_ivshmem_receive_burst(qconf, portid, vm_port);
510 /* loop for host forwarding mode.
511 * the data flow is as follows:
512 * 1) get packets from TX queue and send it out from a given port
513 * 2) RX packets from given port and enqueue them on RX ring
514 * 3) dequeue packets from TX ring and put them on TX queue for a given port
519 struct rte_mbuf *pkts_burst[MAX_PKT_BURST * 2];
522 uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc;
523 unsigned i, j, portid, nb_rx;
524 struct lcore_queue_conf *qconf;
526 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
531 lcore_id = rte_lcore_id();
532 qconf = &lcore_queue_conf[lcore_id];
534 if (qconf->n_rx_port == 0) {
535 RTE_LOG(INFO, L2FWD_IVSHMEM, "lcore %u has nothing to do\n", lcore_id);
539 RTE_LOG(INFO, L2FWD_IVSHMEM, "entering main loop on lcore %u\n", lcore_id);
541 for (i = 0; i < qconf->n_rx_port; i++) {
543 portid = qconf->rx_port_list[i];
544 RTE_LOG(INFO, L2FWD_IVSHMEM, " -- lcoreid=%u portid=%u\n", lcore_id,
548 while (ctrl->state == STATE_FWD) {
550 cur_tsc = rte_rdtsc();
555 diff_tsc = cur_tsc - prev_tsc;
556 if (unlikely(diff_tsc > drain_tsc)) {
561 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
562 if (qconf->tx_mbufs[portid].len == 0)
564 l2fwd_ivshmem_send_burst(qconf,
565 qconf->tx_mbufs[portid].len,
567 qconf->tx_mbufs[portid].len = 0;
573 for (i = 0; i < qconf->n_rx_port; i++) {
574 portid = qconf->rx_port_list[i];
575 if (qconf->rx_mbufs[portid].len == 0)
577 l2fwd_ivshmem_receive_burst(qconf, portid, i);
578 qconf->rx_mbufs[portid].len = 0;
581 /* if timer is enabled */
582 if (timer_period > 0) {
584 /* advance the timer */
585 timer_tsc += diff_tsc;
587 /* if timer has reached its timeout */
588 if (unlikely(timer_tsc >= (uint64_t) timer_period)) {
590 /* do this only on master core */
591 if (lcore_id == rte_get_master_lcore()) {
593 /* reset the timer */
603 * packet RX and forwarding
605 for (i = 0; i < qconf->n_rx_port; i++) {
607 /* RX packets from port and put them on RX ring */
608 portid = qconf->rx_port_list[i];
609 nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
610 pkts_burst, MAX_PKT_BURST);
613 l2fwd_ivshmem_receive_packets(pkts_burst, nb_rx, portid, i);
615 /* dequeue packets from TX ring and send them to TX queue */
616 tx = qconf->port_param[i]->tx_ring;
618 nb_rx = rte_ring_count(tx);
620 nb_rx = RTE_MIN(nb_rx, (unsigned) MAX_PKT_BURST);
625 /* should not happen */
626 if (unlikely(rte_ring_dequeue_bulk(tx, (void**) pkts_burst, nb_rx) < 0)) {
627 ctrl->state = STATE_FAIL;
631 for (j = 0; j < nb_rx; j++) {
633 l2fwd_ivshmem_send_packet(m, portid);
640 l2fwd_ivshmem_launch_one_lcore(__attribute__((unused)) void *dummy)
646 int main(int argc, char **argv)
648 char name[RTE_RING_NAMESIZE];
650 struct lcore_queue_conf *qconf;
651 struct rte_eth_dev_info dev_info;
652 uint8_t portid, port_nr;
653 uint8_t nb_ports, nb_ports_available;
654 uint8_t nb_ports_in_mask;
656 unsigned lcore_id, rx_lcore_id;
659 ret = rte_eal_init(argc, argv);
661 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
665 /* parse application arguments (after the EAL ones) */
666 ret = l2fwd_ivshmem_parse_args(argc, argv);
668 rte_exit(EXIT_FAILURE, "Invalid l2fwd-ivshmem arguments\n");
670 /* create a shared mbuf pool */
671 l2fwd_ivshmem_pktmbuf_pool =
672 rte_pktmbuf_pool_create(MBUF_MP_NAME, NB_MBUF, 32,
673 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
674 if (l2fwd_ivshmem_pktmbuf_pool == NULL)
675 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n");
677 nb_ports = rte_eth_dev_count();
679 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n");
681 if (nb_ports > RTE_MAX_ETHPORTS)
682 nb_ports = RTE_MAX_ETHPORTS;
685 * reserve memzone to communicate with VMs - we cannot use rte_malloc here
686 * because while it is technically possible, it is a very bad idea to share
687 * the heap between two primary processes.
689 ctrl_mz = rte_memzone_reserve(CTRL_MZ_NAME, sizeof(struct ivshmem_ctrl),
692 rte_exit(EXIT_FAILURE, "Cannot reserve control memzone\n");
693 ctrl = (struct ivshmem_ctrl*) ctrl_mz->addr;
695 memset(ctrl, 0, sizeof(struct ivshmem_ctrl));
698 * Each port is assigned an output port.
700 nb_ports_in_mask = 0;
701 for (portid = 0; portid < nb_ports; portid++) {
702 /* skip ports that are not enabled */
703 if ((l2fwd_ivshmem_enabled_port_mask & (1 << portid)) == 0)
706 ctrl->vm_ports[nb_ports_in_mask].dst = &ctrl->vm_ports[nb_ports_in_mask-1];
707 ctrl->vm_ports[nb_ports_in_mask-1].dst = &ctrl->vm_ports[nb_ports_in_mask];
712 rte_eth_dev_info_get(portid, &dev_info);
714 if (nb_ports_in_mask % 2) {
715 printf("Notice: odd number of ports in portmask.\n");
716 ctrl->vm_ports[nb_ports_in_mask-1].dst =
717 &ctrl->vm_ports[nb_ports_in_mask-1];
723 printf("Initializing ports configuration...\n");
725 nb_ports_available = nb_ports;
727 /* Initialise each port */
728 for (portid = 0; portid < nb_ports; portid++) {
730 /* skip ports that are not enabled */
731 if ((l2fwd_ivshmem_enabled_port_mask & (1 << portid)) == 0) {
732 printf("Skipping disabled port %u\n", (unsigned) portid);
733 nb_ports_available--;
738 printf("Initializing port %u... ", (unsigned) portid);
740 ret = rte_eth_dev_configure(portid, 1, 1, &port_conf);
742 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
743 ret, (unsigned) portid);
745 rte_eth_macaddr_get(portid,&l2fwd_ivshmem_ports_eth_addr[portid]);
747 /* init one RX queue */
749 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
750 rte_eth_dev_socket_id(portid),
752 l2fwd_ivshmem_pktmbuf_pool);
754 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup:err=%d, port=%u\n",
755 ret, (unsigned) portid);
757 /* init one TX queue on each port */
759 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
760 rte_eth_dev_socket_id(portid),
763 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup:err=%d, port=%u\n",
764 ret, (unsigned) portid);
767 ret = rte_eth_dev_start(portid);
769 rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n",
770 ret, (unsigned) portid);
774 rte_eth_promiscuous_enable(portid);
776 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
778 l2fwd_ivshmem_ports_eth_addr[portid].addr_bytes[0],
779 l2fwd_ivshmem_ports_eth_addr[portid].addr_bytes[1],
780 l2fwd_ivshmem_ports_eth_addr[portid].addr_bytes[2],
781 l2fwd_ivshmem_ports_eth_addr[portid].addr_bytes[3],
782 l2fwd_ivshmem_ports_eth_addr[portid].addr_bytes[4],
783 l2fwd_ivshmem_ports_eth_addr[portid].addr_bytes[5]);
785 /* initialize port stats */
786 memset(&port_statistics, 0, sizeof(port_statistics));
789 if (!nb_ports_available) {
790 rte_exit(EXIT_FAILURE,
791 "All available ports are disabled. Please set portmask.\n");
795 /* Initialize the port/queue configuration of each logical core */
796 for (portid = 0; portid < nb_ports; portid++) {
797 if ((l2fwd_ivshmem_enabled_port_mask & (1 << portid)) == 0)
800 /* get the lcore_id for this port */
801 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
802 lcore_queue_conf[rx_lcore_id].n_rx_port ==
803 l2fwd_ivshmem_rx_queue_per_lcore) {
805 if (rx_lcore_id >= RTE_MAX_LCORE)
806 rte_exit(EXIT_FAILURE, "Not enough cores\n");
809 if (qconf != &lcore_queue_conf[rx_lcore_id])
810 /* Assigned a new logical core in the loop above. */
811 qconf = &lcore_queue_conf[rx_lcore_id];
814 rte_eth_macaddr_get(portid, &ctrl->vm_ports[port_nr].ethaddr);
816 qconf->rx_port_list[qconf->n_rx_port] = portid;
817 qconf->port_param[qconf->n_rx_port] = &ctrl->vm_ports[port_nr];
820 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned) portid);
823 check_all_ports_link_status(nb_ports_available, l2fwd_ivshmem_enabled_port_mask);
825 /* create rings for each VM port (several ports can be on the same VM).
826 * note that we store the pointers in ctrl - that way, they are the same
827 * and valid across all VMs because ctrl is also in DPDK memory */
828 for (portid = 0; portid < nb_ports_available; portid++) {
830 /* RX ring. SP/SC because it's only used by host and a single VM */
831 snprintf(name, sizeof(name), "%s%i", RX_RING_PREFIX, portid);
832 r = rte_ring_create(name, NB_MBUF,
833 SOCKET_ID_ANY, RING_F_SP_ENQ | RING_F_SC_DEQ);
835 rte_exit(EXIT_FAILURE, "Cannot create ring %s\n", name);
837 ctrl->vm_ports[portid].rx_ring = r;
839 /* TX ring. SP/SC because it's only used by host and a single VM */
840 snprintf(name, sizeof(name), "%s%i", TX_RING_PREFIX, portid);
841 r = rte_ring_create(name, NB_MBUF,
842 SOCKET_ID_ANY, RING_F_SP_ENQ | RING_F_SC_DEQ);
844 rte_exit(EXIT_FAILURE, "Cannot create ring %s\n", name);
846 ctrl->vm_ports[portid].tx_ring = r;
849 /* create metadata, output cmdline */
850 if (rte_ivshmem_metadata_create(METADATA_NAME) < 0)
851 rte_exit(EXIT_FAILURE, "Cannot create IVSHMEM metadata\n");
853 if (rte_ivshmem_metadata_add_memzone(ctrl_mz, METADATA_NAME))
854 rte_exit(EXIT_FAILURE, "Cannot add memzone to IVSHMEM metadata\n");
856 if (rte_ivshmem_metadata_add_mempool(l2fwd_ivshmem_pktmbuf_pool, METADATA_NAME))
857 rte_exit(EXIT_FAILURE, "Cannot add mbuf mempool to IVSHMEM metadata\n");
859 for (portid = 0; portid < nb_ports_available; portid++) {
860 if (rte_ivshmem_metadata_add_ring(ctrl->vm_ports[portid].rx_ring,
862 rte_exit(EXIT_FAILURE, "Cannot add ring %s to IVSHMEM metadata\n",
863 ctrl->vm_ports[portid].rx_ring->name);
864 if (rte_ivshmem_metadata_add_ring(ctrl->vm_ports[portid].tx_ring,
866 rte_exit(EXIT_FAILURE, "Cannot add ring %s to IVSHMEM metadata\n",
867 ctrl->vm_ports[portid].tx_ring->name);
869 generate_ivshmem_cmdline(METADATA_NAME);
871 ctrl->nb_ports = nb_ports_available;
873 printf("Waiting for VM to initialize...\n");
875 /* wait for VM to initialize */
876 while (ctrl->state != STATE_FWD) {
877 if (ctrl->state == STATE_FAIL)
878 rte_exit(EXIT_FAILURE, "VM reported failure\n");
887 /* launch per-lcore init on every lcore */
888 rte_eal_mp_remote_launch(l2fwd_ivshmem_launch_one_lcore, NULL, CALL_MASTER);
889 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
890 if (rte_eal_wait_lcore(lcore_id) < 0)
894 if (ctrl->state == STATE_FAIL)
895 rte_exit(EXIT_FAILURE, "VM reported failure\n");