diff options
Diffstat (limited to 'examples/l2fwd-ivshmem/host/host.c')
| -rw-r--r-- | examples/l2fwd-ivshmem/host/host.c | 895 |
1 files changed, 0 insertions, 895 deletions
diff --git a/examples/l2fwd-ivshmem/host/host.c b/examples/l2fwd-ivshmem/host/host.c deleted file mode 100644 index da7b00d9..00000000 --- a/examples/l2fwd-ivshmem/host/host.c +++ /dev/null @@ -1,895 +0,0 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. - * 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 <unistd.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <limits.h> -#include <inttypes.h> -#include <getopt.h> -#include <signal.h> - -#include <rte_eal.h> -#include <rte_cycles.h> -#include <rte_eal_memconfig.h> -#include <rte_debug.h> -#include <rte_ether.h> -#include <rte_ethdev.h> -#include <rte_string_fns.h> -#include <rte_ivshmem.h> -#include <rte_ring.h> -#include <rte_mempool.h> -#include <rte_mbuf.h> - -#include "../include/common.h" - -/* - * Configurable number of RX/TX ring descriptors - */ -#define RTE_TEST_RX_DESC_DEFAULT 128 -#define RTE_TEST_TX_DESC_DEFAULT 512 -static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; -static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; - -#define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ - -/* mask of enabled ports */ -static uint32_t l2fwd_ivshmem_enabled_port_mask = 0; - -static struct ether_addr l2fwd_ivshmem_ports_eth_addr[RTE_MAX_ETHPORTS]; - -#define NB_MBUF 8192 - -#define MAX_RX_QUEUE_PER_LCORE 16 -#define MAX_TX_QUEUE_PER_PORT 16 -struct lcore_queue_conf { - unsigned n_rx_port; - unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE]; - struct vm_port_param * port_param[MAX_RX_QUEUE_PER_LCORE]; - struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS]; - struct mbuf_table rx_mbufs[RTE_MAX_ETHPORTS]; -} __rte_cache_aligned; -static struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE]; - -static const struct rte_eth_conf port_conf = { - .rxmode = { - .split_hdr_size = 0, - .header_split = 0, /**< Header Split disabled */ - .hw_ip_checksum = 0, /**< IP checksum offload disabled */ - .hw_vlan_filter = 0, /**< VLAN filtering disabled */ - .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ - .hw_strip_crc = 0, /**< CRC stripped by hardware */ - }, - .txmode = { - .mq_mode = ETH_MQ_TX_NONE, - }, -}; - -#define METADATA_NAME "l2fwd_ivshmem" -#define CMDLINE_OPT_FWD_CONF "fwd-conf" - -#define QEMU_CMD_FMT "/tmp/ivshmem_qemu_cmdline_%s" - -struct port_statistics port_statistics[RTE_MAX_ETHPORTS]; - -struct rte_mempool * l2fwd_ivshmem_pktmbuf_pool = NULL; - -/* Print out statistics on packets dropped */ -static void -print_stats(void) -{ - uint64_t total_packets_dropped, total_packets_tx, total_packets_rx; - uint64_t total_vm_packets_dropped = 0; - uint64_t total_vm_packets_tx, total_vm_packets_rx; - unsigned portid; - - total_packets_dropped = 0; - total_packets_tx = 0; - total_packets_rx = 0; - total_vm_packets_tx = 0; - total_vm_packets_rx = 0; - - const char clr[] = { 27, '[', '2', 'J', '\0' }; - const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' }; - - /* Clear screen and move to top left */ - printf("%s%s", clr, topLeft); - - printf("\nPort statistics ===================================="); - - for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { - /* skip disabled ports */ - if ((l2fwd_ivshmem_enabled_port_mask & (1 << portid)) == 0) - continue; - printf("\nStatistics for port %u ------------------------------" - "\nPackets sent: %24"PRIu64 - "\nPackets received: %20"PRIu64 - "\nPackets dropped: %21"PRIu64, - portid, - port_statistics[portid].tx, - port_statistics[portid].rx, - port_statistics[portid].dropped); - - total_packets_dropped += port_statistics[portid].dropped; - total_packets_tx += port_statistics[portid].tx; - total_packets_rx += port_statistics[portid].rx; - } - - printf("\nVM statistics ======================================"); - for (portid = 0; portid < ctrl->nb_ports; portid++) { - printf("\nStatistics for port %u ------------------------------" - "\nPackets sent: %24"PRIu64 - "\nPackets received: %20"PRIu64, - portid, - ctrl->vm_ports[portid].stats.tx, - ctrl->vm_ports[portid].stats.rx); - - total_vm_packets_dropped += ctrl->vm_ports[portid].stats.dropped; - total_vm_packets_tx += ctrl->vm_ports[portid].stats.tx; - total_vm_packets_rx += ctrl->vm_ports[portid].stats.rx; - } - printf("\nAggregate statistics ===============================" - "\nTotal packets sent: %18"PRIu64 - "\nTotal packets received: %14"PRIu64 - "\nTotal packets dropped: %15"PRIu64 - "\nTotal VM packets sent: %15"PRIu64 - "\nTotal VM packets received: %11"PRIu64, - total_packets_tx, - total_packets_rx, - total_packets_dropped, - total_vm_packets_tx, - total_vm_packets_rx); - printf("\n====================================================\n"); -} - -static int -print_to_file(const char *cmdline, const char *config_name) -{ - FILE *file; - char path[PATH_MAX]; - - snprintf(path, sizeof(path), QEMU_CMD_FMT, config_name); - file = fopen(path, "w"); - if (file == NULL) { - RTE_LOG(ERR, L2FWD_IVSHMEM, "Could not open '%s' \n", path); - return -1; - } - - RTE_LOG(DEBUG, L2FWD_IVSHMEM, "QEMU command line for config '%s': %s \n", - config_name, cmdline); - - fprintf(file, "%s\n", cmdline); - fclose(file); - return 0; -} - -static int -generate_ivshmem_cmdline(const char *config_name) -{ - char cmdline[PATH_MAX]; - if (rte_ivshmem_metadata_cmdline_generate(cmdline, sizeof(cmdline), - config_name) < 0) - return -1; - - if (print_to_file(cmdline, config_name) < 0) - return -1; - - rte_ivshmem_metadata_dump(stdout, config_name); - return 0; -} - -/* display usage */ -static void -l2fwd_ivshmem_usage(const char *prgname) -{ - printf("%s [EAL options] -- -p PORTMASK [-q NQ -T PERIOD]\n" - " -p PORTMASK: hexadecimal bitmask of ports to configure\n" - " -q NQ: number of queue (=ports) per lcore (default is 1)\n" - " -T PERIOD: statistics will be refreshed each PERIOD seconds " - "(0 to disable, 10 default, 86400 maximum)\n", - prgname); -} - -static unsigned int -l2fwd_ivshmem_parse_nqueue(const char *q_arg) -{ - char *end = NULL; - unsigned long n; - - /* parse hexadecimal string */ - n = strtoul(q_arg, &end, 10); - if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) - return 0; - if (n == 0) - return 0; - if (n >= MAX_RX_QUEUE_PER_LCORE) - return 0; - - return n; -} - -static int -l2fwd_ivshmem_parse_portmask(const char *portmask) -{ - char *end = NULL; - unsigned long pm; - - /* parse hexadecimal string */ - pm = strtoul(portmask, &end, 16); - if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) - return -1; - - if (pm == 0) - return -1; - - return pm; -} - -static int -l2fwd_ivshmem_parse_timer_period(const char *q_arg) -{ - char *end = NULL; - int n; - - /* parse number string */ - n = strtol(q_arg, &end, 10); - if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) - return -1; - if (n >= MAX_TIMER_PERIOD) - return -1; - - return n; -} - -/* Parse the argument given in the command line of the application */ -static int -l2fwd_ivshmem_parse_args(int argc, char **argv) -{ - int opt, ret; - char **argvopt; - int option_index; - char *prgname = argv[0]; - static struct option lgopts[] = { - {CMDLINE_OPT_FWD_CONF, 1, 0, 0}, - {NULL, 0, 0, 0} - }; - - argvopt = argv; - - while ((opt = getopt_long(argc, argvopt, "q:p:T:", - lgopts, &option_index)) != EOF) { - - switch (opt) { - /* portmask */ - case 'p': - l2fwd_ivshmem_enabled_port_mask = l2fwd_ivshmem_parse_portmask(optarg); - if (l2fwd_ivshmem_enabled_port_mask == 0) { - printf("invalid portmask\n"); - l2fwd_ivshmem_usage(prgname); - return -1; - } - break; - - /* nqueue */ - case 'q': - l2fwd_ivshmem_rx_queue_per_lcore = l2fwd_ivshmem_parse_nqueue(optarg); - if (l2fwd_ivshmem_rx_queue_per_lcore == 0) { - printf("invalid queue number\n"); - l2fwd_ivshmem_usage(prgname); - return -1; - } - break; - - /* timer period */ - case 'T': - timer_period = l2fwd_ivshmem_parse_timer_period(optarg) * 1000 * TIMER_MILLISECOND; - if (timer_period < 0) { - printf("invalid timer period\n"); - l2fwd_ivshmem_usage(prgname); - return -1; - } - break; - - /* long options */ - case 0: - l2fwd_ivshmem_usage(prgname); - return -1; - - default: - l2fwd_ivshmem_usage(prgname); - return -1; - } - } - - if (optind >= 0) - argv[optind-1] = prgname; - - ret = optind-1; - optind = 0; /* reset getopt lib */ - return ret; -} - -/* Check the link status of all ports in up to 9s, and print them finally */ -static void -check_all_ports_link_status(uint8_t port_num, uint32_t port_mask) -{ -#define CHECK_INTERVAL 100 /* 100ms */ -#define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ - uint8_t portid, count, all_ports_up, print_flag = 0; - struct rte_eth_link link; - - printf("\nChecking link status"); - fflush(stdout); - for (count = 0; count <= MAX_CHECK_TIME; count++) { - all_ports_up = 1; - for (portid = 0; portid < port_num; portid++) { - if ((port_mask & (1 << portid)) == 0) - continue; - memset(&link, 0, sizeof(link)); - rte_eth_link_get_nowait(portid, &link); - /* print link status if flag set */ - if (print_flag == 1) { - if (link.link_status) - printf("Port %d Link Up - speed %u " - "Mbps - %s\n", (uint8_t)portid, - (unsigned)link.link_speed, - (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? - ("full-duplex") : ("half-duplex\n")); - else - printf("Port %d Link Down\n", - (uint8_t)portid); - continue; - } - /* clear all_ports_up flag if any link down */ - if (link.link_status == ETH_LINK_DOWN) { - all_ports_up = 0; - break; - } - } - /* after finally printing all link status, get out */ - if (print_flag == 1) - break; - - if (all_ports_up == 0) { - printf("."); - fflush(stdout); - rte_delay_ms(CHECK_INTERVAL); - } - - /* set the print_flag if all ports up or timeout */ - if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { - print_flag = 1; - printf("done\n"); - } - } -} - -/* Send the burst of packets on an output interface */ -static int -l2fwd_ivshmem_send_burst(struct lcore_queue_conf *qconf, unsigned n, uint8_t port) -{ - struct rte_mbuf **m_table; - unsigned ret; - unsigned queueid =0; - - m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table; - - ret = rte_eth_tx_burst(port, (uint16_t) queueid, m_table, (uint16_t) n); - port_statistics[port].tx += ret; - if (unlikely(ret < n)) { - port_statistics[port].dropped += (n - ret); - do { - rte_pktmbuf_free(m_table[ret]); - } while (++ret < n); - } - - return 0; -} - -/* Enqueue packets for TX and prepare them to be sent on the network */ -static int -l2fwd_ivshmem_send_packet(struct rte_mbuf *m, uint8_t port) -{ - unsigned lcore_id, len; - struct lcore_queue_conf *qconf; - - lcore_id = rte_lcore_id(); - - qconf = &lcore_queue_conf[lcore_id]; - len = qconf->tx_mbufs[port].len; - qconf->tx_mbufs[port].m_table[len] = m; - len++; - - /* enough pkts to be sent */ - if (unlikely(len == MAX_PKT_BURST)) { - l2fwd_ivshmem_send_burst(qconf, MAX_PKT_BURST, port); - len = 0; - } - - qconf->tx_mbufs[port].len = len; - return 0; -} - -static int -l2fwd_ivshmem_receive_burst(struct lcore_queue_conf *qconf, unsigned portid, - unsigned vm_port) -{ - struct rte_mbuf ** m; - struct rte_ring * rx; - unsigned len, pkt_idx; - - m = qconf->rx_mbufs[portid].m_table; - len = qconf->rx_mbufs[portid].len; - rx = qconf->port_param[vm_port]->rx_ring; - - /* if enqueueing failed, ring is probably full, so drop the packets */ - if (rte_ring_enqueue_bulk(rx, (void**) m, len) < 0) { - port_statistics[portid].dropped += len; - - pkt_idx = 0; - do { - rte_pktmbuf_free(m[pkt_idx]); - } while (++pkt_idx < len); - } - else - /* increment rx stats by however many packets we managed to receive */ - port_statistics[portid].rx += len; - - return 0; -} - -/* Enqueue packets for RX and prepare them to be sent to VM */ -static int -l2fwd_ivshmem_receive_packets(struct rte_mbuf ** m, unsigned n, unsigned portid, - unsigned vm_port) -{ - unsigned lcore_id, len, pkt_idx; - struct lcore_queue_conf *qconf; - - lcore_id = rte_lcore_id(); - - qconf = &lcore_queue_conf[lcore_id]; - - len = qconf->rx_mbufs[portid].len; - pkt_idx = 0; - - /* enqueue packets */ - while (pkt_idx < n && len < MAX_PKT_BURST * 2) { - qconf->rx_mbufs[portid].m_table[len++] = m[pkt_idx++]; - } - - /* increment queue len by however many packets we managed to receive */ - qconf->rx_mbufs[portid].len += pkt_idx; - - /* drop the unreceived packets */ - if (unlikely(pkt_idx < n)) { - port_statistics[portid].dropped += n - pkt_idx; - do { - rte_pktmbuf_free(m[pkt_idx]); - } while (++pkt_idx < n); - } - - /* drain the queue halfway through the maximum capacity */ - if (unlikely(qconf->rx_mbufs[portid].len >= MAX_PKT_BURST)) - l2fwd_ivshmem_receive_burst(qconf, portid, vm_port); - - return 0; -} - -/* loop for host forwarding mode. - * the data flow is as follows: - * 1) get packets from TX queue and send it out from a given port - * 2) RX packets from given port and enqueue them on RX ring - * 3) dequeue packets from TX ring and put them on TX queue for a given port - */ -static void -fwd_loop(void) -{ - struct rte_mbuf *pkts_burst[MAX_PKT_BURST * 2]; - struct rte_mbuf *m; - unsigned lcore_id; - uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc; - unsigned i, j, portid, nb_rx; - struct lcore_queue_conf *qconf; - struct rte_ring *tx; - const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US; - - prev_tsc = 0; - timer_tsc = 0; - - lcore_id = rte_lcore_id(); - qconf = &lcore_queue_conf[lcore_id]; - - if (qconf->n_rx_port == 0) { - RTE_LOG(INFO, L2FWD_IVSHMEM, "lcore %u has nothing to do\n", lcore_id); - return; - } - - RTE_LOG(INFO, L2FWD_IVSHMEM, "entering main loop on lcore %u\n", lcore_id); - - for (i = 0; i < qconf->n_rx_port; i++) { - - portid = qconf->rx_port_list[i]; - RTE_LOG(INFO, L2FWD_IVSHMEM, " -- lcoreid=%u portid=%u\n", lcore_id, - portid); - } - - while (ctrl->state == STATE_FWD) { - - cur_tsc = rte_rdtsc(); - - /* - * Burst queue drain - */ - diff_tsc = cur_tsc - prev_tsc; - if (unlikely(diff_tsc > drain_tsc)) { - - /* - * TX - */ - for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { - if (qconf->tx_mbufs[portid].len == 0) - continue; - l2fwd_ivshmem_send_burst(qconf, - qconf->tx_mbufs[portid].len, - (uint8_t) portid); - qconf->tx_mbufs[portid].len = 0; - } - - /* - * RX - */ - for (i = 0; i < qconf->n_rx_port; i++) { - portid = qconf->rx_port_list[i]; - if (qconf->rx_mbufs[portid].len == 0) - continue; - l2fwd_ivshmem_receive_burst(qconf, portid, i); - qconf->rx_mbufs[portid].len = 0; - } - - /* if timer is enabled */ - if (timer_period > 0) { - - /* advance the timer */ - timer_tsc += diff_tsc; - - /* if timer has reached its timeout */ - if (unlikely(timer_tsc >= (uint64_t) timer_period)) { - - /* do this only on master core */ - if (lcore_id == rte_get_master_lcore()) { - print_stats(); - /* reset the timer */ - timer_tsc = 0; - } - } - } - - prev_tsc = cur_tsc; - } - - /* - * packet RX and forwarding - */ - for (i = 0; i < qconf->n_rx_port; i++) { - - /* RX packets from port and put them on RX ring */ - portid = qconf->rx_port_list[i]; - nb_rx = rte_eth_rx_burst((uint8_t) portid, 0, - pkts_burst, MAX_PKT_BURST); - - if (nb_rx != 0) - l2fwd_ivshmem_receive_packets(pkts_burst, nb_rx, portid, i); - - /* dequeue packets from TX ring and send them to TX queue */ - tx = qconf->port_param[i]->tx_ring; - - nb_rx = rte_ring_count(tx); - - nb_rx = RTE_MIN(nb_rx, (unsigned) MAX_PKT_BURST); - - if (nb_rx == 0) - continue; - - /* should not happen */ - if (unlikely(rte_ring_dequeue_bulk(tx, (void**) pkts_burst, nb_rx) < 0)) { - ctrl->state = STATE_FAIL; - return; - } - - for (j = 0; j < nb_rx; j++) { - m = pkts_burst[j]; - l2fwd_ivshmem_send_packet(m, portid); - } - } - } -} - -static int -l2fwd_ivshmem_launch_one_lcore(__attribute__((unused)) void *dummy) -{ - fwd_loop(); - return 0; -} - -int main(int argc, char **argv) -{ - char name[RTE_RING_NAMESIZE]; - struct rte_ring *r; - struct lcore_queue_conf *qconf; - struct rte_eth_dev_info dev_info; - uint8_t portid, port_nr; - uint8_t nb_ports, nb_ports_available; - uint8_t nb_ports_in_mask; - int ret; - unsigned lcore_id, rx_lcore_id; - - /* init EAL */ - ret = rte_eal_init(argc, argv); - if (ret < 0) - rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n"); - argc -= ret; - argv += ret; - - /* parse application arguments (after the EAL ones) */ - ret = l2fwd_ivshmem_parse_args(argc, argv); - if (ret < 0) - rte_exit(EXIT_FAILURE, "Invalid l2fwd-ivshmem arguments\n"); - - /* create a shared mbuf pool */ - l2fwd_ivshmem_pktmbuf_pool = - rte_pktmbuf_pool_create(MBUF_MP_NAME, NB_MBUF, 32, - 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); - if (l2fwd_ivshmem_pktmbuf_pool == NULL) - rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n"); - - nb_ports = rte_eth_dev_count(); - if (nb_ports == 0) - rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n"); - - /* - * reserve memzone to communicate with VMs - we cannot use rte_malloc here - * because while it is technically possible, it is a very bad idea to share - * the heap between two primary processes. - */ - ctrl_mz = rte_memzone_reserve(CTRL_MZ_NAME, sizeof(struct ivshmem_ctrl), - SOCKET_ID_ANY, 0); - if (ctrl_mz == NULL) - rte_exit(EXIT_FAILURE, "Cannot reserve control memzone\n"); - ctrl = (struct ivshmem_ctrl*) ctrl_mz->addr; - - memset(ctrl, 0, sizeof(struct ivshmem_ctrl)); - - /* - * Each port is assigned an output port. - */ - nb_ports_in_mask = 0; - for (portid = 0; portid < nb_ports; portid++) { - /* skip ports that are not enabled */ - if ((l2fwd_ivshmem_enabled_port_mask & (1 << portid)) == 0) - continue; - if (portid % 2) { - ctrl->vm_ports[nb_ports_in_mask].dst = &ctrl->vm_ports[nb_ports_in_mask-1]; - ctrl->vm_ports[nb_ports_in_mask-1].dst = &ctrl->vm_ports[nb_ports_in_mask]; - } - - nb_ports_in_mask++; - - rte_eth_dev_info_get(portid, &dev_info); - } - if (nb_ports_in_mask % 2) { - printf("Notice: odd number of ports in portmask.\n"); - ctrl->vm_ports[nb_ports_in_mask-1].dst = - &ctrl->vm_ports[nb_ports_in_mask-1]; - } - - rx_lcore_id = 0; - qconf = NULL; - - printf("Initializing ports configuration...\n"); - - nb_ports_available = nb_ports; - - /* Initialise each port */ - for (portid = 0; portid < nb_ports; portid++) { - - /* skip ports that are not enabled */ - if ((l2fwd_ivshmem_enabled_port_mask & (1 << portid)) == 0) { - printf("Skipping disabled port %u\n", (unsigned) portid); - nb_ports_available--; - continue; - } - - /* init port */ - printf("Initializing port %u... ", (unsigned) portid); - fflush(stdout); - ret = rte_eth_dev_configure(portid, 1, 1, &port_conf); - if (ret < 0) - rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n", - ret, (unsigned) portid); - - rte_eth_macaddr_get(portid,&l2fwd_ivshmem_ports_eth_addr[portid]); - - /* init one RX queue */ - fflush(stdout); - ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, - rte_eth_dev_socket_id(portid), - NULL, - l2fwd_ivshmem_pktmbuf_pool); - if (ret < 0) - rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup:err=%d, port=%u\n", - ret, (unsigned) portid); - - /* init one TX queue on each port */ - fflush(stdout); - ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, - rte_eth_dev_socket_id(portid), - NULL); - if (ret < 0) - rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup:err=%d, port=%u\n", - ret, (unsigned) portid); - - /* Start device */ - ret = rte_eth_dev_start(portid); - if (ret < 0) - rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n", - ret, (unsigned) portid); - - printf("done: \n"); - - rte_eth_promiscuous_enable(portid); - - printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n", - (unsigned) portid, - l2fwd_ivshmem_ports_eth_addr[portid].addr_bytes[0], - l2fwd_ivshmem_ports_eth_addr[portid].addr_bytes[1], - l2fwd_ivshmem_ports_eth_addr[portid].addr_bytes[2], - l2fwd_ivshmem_ports_eth_addr[portid].addr_bytes[3], - l2fwd_ivshmem_ports_eth_addr[portid].addr_bytes[4], - l2fwd_ivshmem_ports_eth_addr[portid].addr_bytes[5]); - - /* initialize port stats */ - memset(&port_statistics, 0, sizeof(port_statistics)); - } - - if (!nb_ports_available) { - rte_exit(EXIT_FAILURE, - "All available ports are disabled. Please set portmask.\n"); - } - port_nr = 0; - - /* Initialize the port/queue configuration of each logical core */ - for (portid = 0; portid < nb_ports; portid++) { - if ((l2fwd_ivshmem_enabled_port_mask & (1 << portid)) == 0) - continue; - - /* get the lcore_id for this port */ - while (rte_lcore_is_enabled(rx_lcore_id) == 0 || - lcore_queue_conf[rx_lcore_id].n_rx_port == - l2fwd_ivshmem_rx_queue_per_lcore) { - rx_lcore_id++; - if (rx_lcore_id >= RTE_MAX_LCORE) - rte_exit(EXIT_FAILURE, "Not enough cores\n"); - } - - if (qconf != &lcore_queue_conf[rx_lcore_id]) - /* Assigned a new logical core in the loop above. */ - qconf = &lcore_queue_conf[rx_lcore_id]; - - - rte_eth_macaddr_get(portid, &ctrl->vm_ports[port_nr].ethaddr); - - qconf->rx_port_list[qconf->n_rx_port] = portid; - qconf->port_param[qconf->n_rx_port] = &ctrl->vm_ports[port_nr]; - qconf->n_rx_port++; - port_nr++; - printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned) portid); - } - - check_all_ports_link_status(nb_ports_available, l2fwd_ivshmem_enabled_port_mask); - - /* create rings for each VM port (several ports can be on the same VM). - * note that we store the pointers in ctrl - that way, they are the same - * and valid across all VMs because ctrl is also in DPDK memory */ - for (portid = 0; portid < nb_ports_available; portid++) { - - /* RX ring. SP/SC because it's only used by host and a single VM */ - snprintf(name, sizeof(name), "%s%i", RX_RING_PREFIX, portid); - r = rte_ring_create(name, NB_MBUF, - SOCKET_ID_ANY, RING_F_SP_ENQ | RING_F_SC_DEQ); - if (r == NULL) - rte_exit(EXIT_FAILURE, "Cannot create ring %s\n", name); - - ctrl->vm_ports[portid].rx_ring = r; - - /* TX ring. SP/SC because it's only used by host and a single VM */ - snprintf(name, sizeof(name), "%s%i", TX_RING_PREFIX, portid); - r = rte_ring_create(name, NB_MBUF, - SOCKET_ID_ANY, RING_F_SP_ENQ | RING_F_SC_DEQ); - if (r == NULL) - rte_exit(EXIT_FAILURE, "Cannot create ring %s\n", name); - - ctrl->vm_ports[portid].tx_ring = r; - } - - /* create metadata, output cmdline */ - if (rte_ivshmem_metadata_create(METADATA_NAME) < 0) - rte_exit(EXIT_FAILURE, "Cannot create IVSHMEM metadata\n"); - - if (rte_ivshmem_metadata_add_memzone(ctrl_mz, METADATA_NAME)) - rte_exit(EXIT_FAILURE, "Cannot add memzone to IVSHMEM metadata\n"); - - if (rte_ivshmem_metadata_add_mempool(l2fwd_ivshmem_pktmbuf_pool, METADATA_NAME)) - rte_exit(EXIT_FAILURE, "Cannot add mbuf mempool to IVSHMEM metadata\n"); - - for (portid = 0; portid < nb_ports_available; portid++) { - if (rte_ivshmem_metadata_add_ring(ctrl->vm_ports[portid].rx_ring, - METADATA_NAME) < 0) - rte_exit(EXIT_FAILURE, "Cannot add ring %s to IVSHMEM metadata\n", - ctrl->vm_ports[portid].rx_ring->name); - if (rte_ivshmem_metadata_add_ring(ctrl->vm_ports[portid].tx_ring, - METADATA_NAME) < 0) - rte_exit(EXIT_FAILURE, "Cannot add ring %s to IVSHMEM metadata\n", - ctrl->vm_ports[portid].tx_ring->name); - } - generate_ivshmem_cmdline(METADATA_NAME); - - ctrl->nb_ports = nb_ports_available; - - printf("Waiting for VM to initialize...\n"); - - /* wait for VM to initialize */ - while (ctrl->state != STATE_FWD) { - if (ctrl->state == STATE_FAIL) - rte_exit(EXIT_FAILURE, "VM reported failure\n"); - - sleep(1); - } - - printf("Done!\n"); - - sigsetup(); - - /* launch per-lcore init on every lcore */ - rte_eal_mp_remote_launch(l2fwd_ivshmem_launch_one_lcore, NULL, CALL_MASTER); - RTE_LCORE_FOREACH_SLAVE(lcore_id) { - if (rte_eal_wait_lcore(lcore_id) < 0) - return -1; - } - - if (ctrl->state == STATE_FAIL) - rte_exit(EXIT_FAILURE, "VM reported failure\n"); - - return 0; -} |