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tipc: make subscriber server support net namespace

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TIPC establishes one subscriber server which allows users to subscribe
their interesting name service status. After tipc supports namespace,
one dedicated tipc stack instance is created for each namespace, and
each instance can be deemed as one independent TIPC node. As a result,
subscriber server must be built for each namespace.

Signed-off-by: Ying Xue <ying.xue@windriver.com>
Tested-by: Tero Aho <Tero.Aho@coriant.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ying Xue 2015-01-09 15:27:11 +08:00 • committed by David S. Miller
parent 3474753954
commit a62fbccecd
8 changed files with 86 additions and 65 deletions
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24
net/tipc/core.c
View file

@ -68,8 +68,14 @@ static int __net_init tipc_init_net(struct net *net)
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:
@ -78,6 +84,7 @@ out_sk_rht:
static void __net_exit tipc_exit_net(struct net *net)
{
tipc_subscr_stop(net);
tipc_net_stop(net);
tipc_nametbl_stop(net);
tipc_sk_rht_destroy(net);
@ -104,10 +111,6 @@ static int __init tipc_init(void)
get_random_bytes(&tipc_random, sizeof(tipc_random));
err = register_pernet_subsys(&tipc_net_ops);
if (err)
goto out_pernet;
err = tipc_netlink_start();
if (err)
goto out_netlink;
@ -120,9 +123,9 @@ static int __init tipc_init(void)
if (err)
goto out_sysctl;
err = tipc_subscr_start();
err = register_pernet_subsys(&tipc_net_ops);
if (err)
goto out_subscr;
goto out_pernet;
err = tipc_bearer_setup();
if (err)
@ -131,28 +134,25 @@ static int __init tipc_init(void)
pr_info("Started in single node mode\n");
return 0;
out_bearer:
tipc_subscr_stop();
out_subscr:
unregister_pernet_subsys(&tipc_net_ops);
out_pernet:
tipc_unregister_sysctl();
out_sysctl:
tipc_socket_stop();
out_socket:
tipc_netlink_stop();
out_netlink:
unregister_pernet_subsys(&tipc_net_ops);
out_pernet:
pr_err("Unable to start in single node mode\n");
return err;
}
static void __exit tipc_exit(void)
{
unregister_pernet_subsys(&tipc_net_ops);
tipc_bearer_cleanup();
tipc_netlink_stop();
tipc_subscr_stop();
tipc_socket_stop();
tipc_unregister_sysctl();
unregister_pernet_subsys(&tipc_net_ops);
pr_info("Deactivated\n");
}