/**
* tipc_core_start - switch TIPC from NOT RUNNING to SINGLE NODE mode
*/
static int tipc_core_start(void)
{
int res;
get_random_bytes(&tipc_random, sizeof(tipc_random));
res = tipc_handler_start();
if (!res)
res = tipc_ref_table_init(tipc_max_ports, tipc_random);
if (!res)
res = tipc_nametbl_init();
if (!res)
res = tipc_netlink_start();
if (!res)
res = tipc_socket_init();
if (!res)
res = tipc_register_sysctl();
if (!res)
res = tipc_subscr_start();
if (!res)
res = tipc_cfg_init();
if (res)
tipc_core_stop();
return res;
}
static int __net_init tipc_init_net(struct net *net)
{
struct tipc_net *tn = net_generic(net, tipc_net_id);
int err;
tn->net_id = 4711;
tn->own_addr = 0;
get_random_bytes(&tn->random, sizeof(int));
INIT_LIST_HEAD(&tn->node_list);
spin_lock_init(&tn->node_list_lock);
err = tipc_sk_rht_init(net);
if (err)
goto out_sk_rht;
err = tipc_nametbl_init(net);
if (err)
goto out_nametbl;
err = tipc_subscr_start(net);
if (err)
goto out_subscr;
return 0;
out_subscr:
tipc_nametbl_stop(net);
out_nametbl:
tipc_sk_rht_destroy(net);
out_sk_rht:
return err;
}
static int __net_init tipc_init_net(struct net *net)
{
struct tipc_net *tn = net_generic(net, tipc_net_id);
int err;
tn->net_id = 4711;
tn->own_addr = 0;
tn->mon_threshold = TIPC_DEF_MON_THRESHOLD;
get_random_bytes(&tn->random, sizeof(int));
INIT_LIST_HEAD(&tn->node_list);
spin_lock_init(&tn->node_list_lock);
err = tipc_sk_rht_init(net);
if (err)
goto out_sk_rht;
err = tipc_nametbl_init(net);
if (err)
goto out_nametbl;
INIT_LIST_HEAD(&tn->dist_queue);
err = tipc_topsrv_start(net);
if (err)
goto out_subscr;
err = tipc_bcast_init(net);
if (err)
goto out_bclink;
return 0;
out_bclink:
tipc_bcast_stop(net);
out_subscr:
tipc_nametbl_stop(net);
out_nametbl:
tipc_sk_rht_destroy(net);
out_sk_rht:
return err;
}
int tipc_core_start(void)
{
int res;
if (tipc_mode != TIPC_NOT_RUNNING)
return -ENOPROTOOPT;
get_random_bytes(&tipc_random, sizeof(tipc_random));
tipc_mode = TIPC_NODE_MODE;
if ((res = tipc_handler_start()) ||
(res = tipc_ref_table_init(tipc_max_ports, tipc_random)) ||
(res = tipc_reg_start()) ||
(res = tipc_nametbl_init()) ||
(res = tipc_k_signal((Handler)tipc_subscr_start, 0)) ||
(res = tipc_k_signal((Handler)tipc_cfg_init, 0)) ||
(res = tipc_netlink_start()) ||
(res = tipc_socket_init())) {
tipc_core_stop();
}
return res;
}