static void
dpdk_init__(const struct smap *ovs_other_config)
{
char **argv = NULL, **argv_to_release = NULL;
int result;
int argc, argc_tmp;
bool auto_determine = true;
int err = 0;
cpu_set_t cpuset;
char *sock_dir_subcomponent;
if (process_vhost_flags("vhost-sock-dir", xstrdup(ovs_rundir()),
NAME_MAX, ovs_other_config,
&sock_dir_subcomponent)) {
struct stat s;
if (!strstr(sock_dir_subcomponent, "..")) {
vhost_sock_dir = xasprintf("%s/%s", ovs_rundir(),
sock_dir_subcomponent);
err = stat(vhost_sock_dir, &s);
if (err) {
VLOG_ERR("vhost-user sock directory '%s' does not exist.",
vhost_sock_dir);
}
} else {
vhost_sock_dir = xstrdup(ovs_rundir());
VLOG_ERR("vhost-user sock directory request '%s/%s' has invalid"
"characters '..' - using %s instead.",
ovs_rundir(), sock_dir_subcomponent, ovs_rundir());
}
free(sock_dir_subcomponent);
} else {
vhost_sock_dir = sock_dir_subcomponent;
}
argv = grow_argv(&argv, 0, 1);
argc = 1;
argv[0] = xstrdup(ovs_get_program_name());
argc_tmp = get_dpdk_args(ovs_other_config, &argv, argc);
while (argc_tmp != argc) {
if (!strcmp("-c", argv[argc]) || !strcmp("-l", argv[argc])) {
auto_determine = false;
break;
}
argc++;
}
argc = argc_tmp;
/**
* NOTE: This is an unsophisticated mechanism for determining the DPDK
* lcore for the DPDK Master.
*/
if (auto_determine) {
int i;
/* Get the main thread affinity */
CPU_ZERO(&cpuset);
err = pthread_getaffinity_np(pthread_self(), sizeof(cpu_set_t),
&cpuset);
if (!err) {
for (i = 0; i < CPU_SETSIZE; i++) {
if (CPU_ISSET(i, &cpuset)) {
argv = grow_argv(&argv, argc, 2);
argv[argc++] = xstrdup("-c");
argv[argc++] = xasprintf("0x%08llX", (1ULL<<i));
i = CPU_SETSIZE;
}
}
} else {
VLOG_ERR("Thread getaffinity error %d. Using core 0x1", err);
/* User did not set dpdk-lcore-mask and unable to get current
* thread affintity - default to core 0x1 */
argv = grow_argv(&argv, argc, 2);
argv[argc++] = xstrdup("-c");
argv[argc++] = xasprintf("0x%X", 1);
}
}
argv = grow_argv(&argv, argc, 1);
argv[argc] = NULL;
optind = 1;
if (VLOG_IS_INFO_ENABLED()) {
struct ds eal_args;
int opt;
ds_init(&eal_args);
ds_put_cstr(&eal_args, "EAL ARGS:");
for (opt = 0; opt < argc; ++opt) {
ds_put_cstr(&eal_args, " ");
ds_put_cstr(&eal_args, argv[opt]);
}
VLOG_INFO("%s", ds_cstr_ro(&eal_args));
ds_destroy(&eal_args);
}
argv_to_release = grow_argv(&argv_to_release, 0, argc);
for (argc_tmp = 0; argc_tmp < argc; ++argc_tmp) {
argv_to_release[argc_tmp] = argv[argc_tmp];
}
/* Make sure things are initialized ... */
result = rte_eal_init(argc, argv);
if (result < 0) {
ovs_abort(result, "Cannot init EAL");
}
argv_release(argv, argv_to_release, argc);
/* Set the main thread affinity back to pre rte_eal_init() value */
if (auto_determine && !err) {
err = pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t),
&cpuset);
if (err) {
VLOG_ERR("Thread setaffinity error %d", err);
}
}
rte_memzone_dump(stdout);
/* We are called from the main thread here */
RTE_PER_LCORE(_lcore_id) = NON_PMD_CORE_ID;
#ifdef DPDK_PDUMP
VLOG_INFO("DPDK pdump packet capture enabled");
err = rte_pdump_init(ovs_rundir());
if (err) {
VLOG_INFO("Error initialising DPDK pdump");
rte_pdump_uninit();
} else {
char *server_socket_path;
server_socket_path = xasprintf("%s/%s", ovs_rundir(),
"pdump_server_socket");
fatal_signal_add_file_to_unlink(server_socket_path);
free(server_socket_path);
}
#endif
/* Finally, register the dpdk classes */
netdev_dpdk_register();
}
int
init(int argc, char *argv[]) {
int retval;
const struct rte_memzone *mz_nf;
const struct rte_memzone *mz_port;
const struct rte_memzone *mz_cores;
const struct rte_memzone *mz_scp;
const struct rte_memzone *mz_services;
const struct rte_memzone *mz_nf_per_service;
uint8_t i, total_ports, port_id;
/* init EAL, parsing EAL args */
retval = rte_eal_init(argc, argv);
if (retval < 0)
return -1;
argc -= retval;
argv += retval;
#ifdef RTE_LIBRTE_PDUMP
rte_pdump_init(NULL);
#endif
/* get total number of ports */
total_ports = rte_eth_dev_count_avail();
/* set up array for NF tx data */
mz_nf = rte_memzone_reserve(MZ_NF_INFO, sizeof(*nfs) * MAX_NFS,
rte_socket_id(), NO_FLAGS);
if (mz_nf == NULL)
rte_exit(EXIT_FAILURE, "Cannot reserve memory zone for nf information\n");
memset(mz_nf->addr, 0, sizeof(*nfs) * MAX_NFS);
nfs = mz_nf->addr;
/* set up ports info */
mz_port = rte_memzone_reserve(MZ_PORT_INFO, sizeof(*ports),
rte_socket_id(), NO_FLAGS);
if (mz_port == NULL)
rte_exit(EXIT_FAILURE, "Cannot reserve memory zone for port information\n");
ports = mz_port->addr;
/* set up core status */
mz_cores = rte_memzone_reserve(MZ_CORES_STATUS, sizeof(*cores) * onvm_threading_get_num_cores(),
rte_socket_id(), NO_FLAGS);
if (mz_cores == NULL)
rte_exit(EXIT_FAILURE, "Cannot reserve memory zone for core information\n");
memset(mz_cores->addr, 0, sizeof(*cores) * 64);
cores = mz_cores->addr;
/* set up array for NF tx data */
mz_services = rte_memzone_reserve(MZ_SERVICES_INFO, sizeof(uint16_t *) * num_services, rte_socket_id(), NO_FLAGS);
if (mz_services == NULL)
rte_exit(EXIT_FAILURE, "Cannot reserve memory zone for services information\n");
services = mz_services->addr;
for (i = 0; i < num_services; i++) {
services[i] = rte_calloc("one service NFs",
MAX_NFS_PER_SERVICE, sizeof(uint16_t), 0);
}
mz_nf_per_service = rte_memzone_reserve(MZ_NF_PER_SERVICE_INFO, sizeof(uint16_t) * num_services, rte_socket_id(), NO_FLAGS);
if (mz_nf_per_service == NULL) {
rte_exit(EXIT_FAILURE, "Cannot reserve memory zone for NF per service information.\n");
}
nf_per_service_count = mz_nf_per_service->addr;
/* parse additional, application arguments */
retval = parse_app_args(total_ports, argc, argv);
if (retval != 0)
return -1;
/* initialise mbuf pools */
retval = init_mbuf_pools();
if (retval != 0)
rte_exit(EXIT_FAILURE, "Cannot create needed mbuf pools\n");
/* initialise nf info pool */
retval = init_nf_info_pool();
if (retval != 0) {
rte_exit(EXIT_FAILURE, "Cannot create nf info mbuf pool: %s\n", rte_strerror(rte_errno));
}
/* initialise pool for NF messages */
retval = init_nf_msg_pool();
if (retval != 0) {
rte_exit(EXIT_FAILURE, "Cannot create nf message pool: %s\n", rte_strerror(rte_errno));
}
/* now initialise the ports we will use */
for (i = 0; i < ports->num_ports; i++) {
port_id = ports->id[i];
rte_eth_macaddr_get(port_id, &ports->mac[port_id]);
retval = init_port(port_id);
if (retval != 0)
rte_exit(EXIT_FAILURE, "Cannot initialise port %u\n", port_id);
char event_msg_buf[20];
sprintf(event_msg_buf, "Port %d initialized", port_id);
onvm_stats_add_event(event_msg_buf, NULL);
}
check_all_ports_link_status(ports->num_ports, (~0x0));
/* initialise the NF queues/rings for inter-eu comms */
init_shm_rings();
/* initialise a queue for newly created NFs */
init_info_queue();
/*initialize a default service chain*/
default_chain = onvm_sc_create();
retval = onvm_sc_append_entry(default_chain, ONVM_NF_ACTION_TONF, 1);
if (retval == ENOSPC) {
printf("chain length can not be larger than the maximum chain length\n");
exit(1);
}
printf("Default service chain: send to sdn NF\n");
/* set up service chain pointer shared to NFs*/
mz_scp = rte_memzone_reserve(MZ_SCP_INFO, sizeof(struct onvm_service_chain *),
rte_socket_id(), NO_FLAGS);
if (mz_scp == NULL)
rte_exit(EXIT_FAILURE, "Canot reserve memory zone for service chain pointer\n");
memset(mz_scp->addr, 0, sizeof(struct onvm_service_chain *));
default_sc_p = mz_scp->addr;
*default_sc_p = default_chain;
onvm_sc_print(default_chain);
onvm_flow_dir_init();
return 0;
}
