sai_status_t
sai_api_initialize(
_In_ uint64_t flags,
_In_ const service_method_table_t* services) {
sai_status_t status = SAI_STATUS_SUCCESS;
unsigned int num_ports = 32;
if(!initialized) {
SAI_LOG(SAI_LOG_WARN, SAI_API_UNSPECIFIED, "INIT device");
#ifndef BMV2
bmi_port_create_mgr(&port_mgr);
rmt_init();
rmt_logger_set((p4_logging_f) printf);
status = load_config("port.cfg", &num_ports, &log_level);
if(status != 0)
return status;
rmt_log_level_set(log_level);
rmt_transmit_register(transmit_wrapper);
#endif
switch_api_init(0, num_ports);
start_switch_api_packet_driver();
initialized = 1;
sai_initialize();
#ifndef BMV2
bmi_set_packet_handler(port_mgr, packet_handler);
#endif
}
services = &sai_services;
return status;
}
int
main(int argc, char* argv[])
{
int rv = 0;
char veth_name[16];
int n_veth;
CHECK(bmi_port_create_mgr(&port_mgr));
srand (time(NULL));
parse_options(argc, argv);
/*************************************************************
* Check for root access as uses veth interfaces
* @fixme allow specifying vpi names as runtime config
************************************************************/
if (geteuid() != 0) {
fprintf(stderr, "This uses (v)eth interfaces; run under sudo\n");
return 1;
}
if (!dpid) {
int r1 = rand();
int r2 = rand();
dpid = (((uint64_t) r1) << 32) | ((uint64_t) r2);
}
if (!pd_server_str) {
fprintf(stderr, "No PD RPC server address specified, "
"using 127.0.0.1:%u\n", PD_SERVER_DEFAULT_PORT);
parse_connection("127.0.0.1", &pd_server_addr, PD_SERVER_DEFAULT_PORT);
} else {
if (parse_connection(pd_server_str, &pd_server_addr,
PD_SERVER_DEFAULT_PORT) != 0)
return -1;
fprintf(stderr, "PD server address is %s:%u\n",
pd_server_addr.ip, pd_server_addr.port);
}
if (!listener_str) {
fprintf(stderr, "No listener specified, switch will run in "
"standalone mode\n");
if (p4nsdb_str) {
fprintf(stderr, "P4NSDB will be ignored\n");
free(p4nsdb_str);
p4nsdb_str = NULL;
}
}
/*************************************************************
* Initialize Modules.
************************************************************/
rmt_init();
rmt_logger_set((p4_logging_f) printf);
rmt_log_level_set(P4_LOG_LEVEL_TRACE);
rmt_transmit_register(transmit_wrapper);
/* Start up the PD RPC server */
CHECK(start_p4_pd_rpc_server(pd_server_addr.port));
/* Start up the API RPC server */
#ifdef SWITCHAPI_ENABLE
CHECK(switch_api_init(0));
CHECK(start_switch_api_rpc_server());
CHECK(start_switch_api_packet_driver());
#endif /* SWITCHAPI_DISABLE */
#ifdef SWITCHSAI_ENABLE
CHECK(start_p4_sai_thrift_rpc_server(SWITCH_SAI_THRIFT_RPC_SERVER_PORT));
#endif /*SWITCHSAI_ENABLE */
#ifdef SWITCHLINK_ENABLE
CHECK(switchlink_init());
#endif /* SWITCHLINK_ENABLE */
if (!listener_str && !no_veth) { /* standalone mode */
for (n_veth = 0; n_veth < NUM_VETH_INTERFACES; n_veth++) {
sprintf(veth_name, "veth%d", n_veth*2);
char pcap_filename[1024];
pcap_filename[0] = 0;
if (dump_pcap) {
snprintf(pcap_filename, 1024,
"p4ns.%s-port%.2d.pcap", datapath_name, n_veth);
}
CHECK(bmi_port_interface_add(port_mgr, veth_name, n_veth,
pcap_filename));
}
}
#ifdef SWITCHAPI_ENABLE
if (!listener_str) {
// add CPU port, port 64
char pcap_filename[1024];
pcap_filename[0] = 0;
if (dump_pcap) {
snprintf(pcap_filename, 1024,
"p4ns.%s-port%.2d.pcap", datapath_name, 64);
}
CHECK(bmi_port_interface_add(port_mgr, "veth250", 64, pcap_filename));
}
#endif /* SWITCHAPI_ENABLE */
if (listener_str) {
parse_connection(listener_str, &listener_addr, 0);
if(listener_addr.port == 0) {
fprintf(stderr, "No port was specified for the listener");
return -1;
}
if (!p4nsdb_str) {
fprintf(stderr, "No p4nsdb address specified, using 127.0.0.1:%u\n",
P4NSDB_DEFAULT_PORT);
parse_connection("127.0.0.1", &p4nsdb_addr, P4NSDB_DEFAULT_PORT);
}
else {
if (parse_connection(p4nsdb_str, &p4nsdb_addr,
P4NSDB_DEFAULT_PORT) != 0)
return -1;
fprintf(stderr, "p4nsdb address is %s:%u\n",
p4nsdb_addr.ip, p4nsdb_addr.port);
}
struct sigaction sa;
sa.sa_handler = clean_up_on_signal;
sigaction(SIGINT, &sa, &old_action_SIGINT);
sigaction(SIGTERM, &sa, &old_action_SIGTERM);
p4ns_db_cxt_t c = connect_to_p4nsdb();
if (!c) return -1;
if (p4ns_db_add_datapath(c, datapath_name, dpid)) {
fprintf(stderr, "P4NSDB: could not create datapath, %s already "
"exists\n", datapath_name);
return -1;
}
atexit(clean_up);
p4ns_db_set_listener(c, datapath_name, &listener_addr);
/* TODO: improve this code */
uint16_t port_no = 0;
/* Add interfaces from command line */
struct entry *np;
for (np = interfaces.tqh_first; np != NULL; np = np->entries.tqe_next) {
printf("Adding interface %s (port %d)\n", np->str, port_no);
if(add_port(np->str, port_no) < 0) {
printf("Failed to add interface %s\n", np->str);
return -1;
}
p4ns_db_add_port(c, datapath_name, np->str, port_no);
port_no++;
}
p4ns_db_free(c);
pthread_create(&ctl_listener_thread, NULL,
ctl_listen, (void *) &listener_addr);
} else if (no_veth) {
uint16_t port_no = 0;
struct entry *np;
for (np = interfaces.tqh_first; np != NULL; np = np->entries.tqe_next) {
printf("Adding interface %s (port %d)\n", np->str, port_no);
if(add_port(np->str, port_no) < 0) {
printf("Failed to add interface %s\n", np->str);
return -1;
}
port_no++;
}
}
CHECK(bmi_set_packet_handler(port_mgr, packet_handler));
while (1) pause();
bmi_port_destroy_mgr(port_mgr);
return rv;
}
