+++ /dev/null
-/*-
- * 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;
-}
Code Review / deb_dpdk.git / blobdiff