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authorYing Xue <ying.xue@windriver.com>2015-01-09 15:27:08 +0800
committerDavid S. Miller <davem@davemloft.net>2015-01-12 16:24:33 -0500
commite05b31f4bf8994d49322e9afb004ad479a129db0 (patch)
tree7d413a68ee6fdc5ca81b2eec93323433e61753a8 /net/tipc/core.c
parent1da465683a93142488a54a9038155f23d6349441 (diff)
downloadlinux-e05b31f4bf8994d49322e9afb004ad479a129db0.tar.bz2
tipc: make tipc socket support net namespace
Now tipc socket table is statically allocated as a global variable. Through it, we can look up one socket instance with port ID, insert a new socket instance to the table, and delete a socket from the table. But when tipc supports net namespace, each namespace must own its specific socket table. So the global variable of socket table must be redefined in tipc_net structure. As a concequence, a new socket table will be allocated when a new namespace is created, and a socket table will be deallocated when namespace is destroyed. 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>
Diffstat (limited to 'net/tipc/core.c')
-rw-r--r--net/tipc/core.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/net/tipc/core.c b/net/tipc/core.c
index 7b8443938caf..23ff3caa1ce6 100644
--- a/net/tipc/core.c
+++ b/net/tipc/core.c
@@ -55,17 +55,20 @@ int sysctl_tipc_rmem[3] __read_mostly; /* min/default/max */
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;
INIT_LIST_HEAD(&tn->node_list);
spin_lock_init(&tn->node_list_lock);
- return 0;
+ err = tipc_sk_rht_init(net);
+ return err;
}
static void __net_exit tipc_exit_net(struct net *net)
{
tipc_net_stop(net);
+ tipc_sk_rht_destroy(net);
}
static struct pernet_operations tipc_net_ops = {
@@ -95,10 +98,6 @@ static int __init tipc_init(void)
if (err)
goto out_pernet;
- err = tipc_sk_rht_init();
- if (err)
- goto out_reftbl;
-
err = tipc_nametbl_init();
if (err)
goto out_nametbl;
@@ -136,8 +135,6 @@ out_socket:
out_netlink:
tipc_nametbl_stop();
out_nametbl:
- tipc_sk_rht_destroy();
-out_reftbl:
unregister_pernet_subsys(&tipc_net_ops);
out_pernet:
pr_err("Unable to start in single node mode\n");
@@ -153,7 +150,6 @@ static void __exit tipc_exit(void)
tipc_nametbl_stop();
tipc_socket_stop();
tipc_unregister_sysctl();
- tipc_sk_rht_destroy();
pr_info("Deactivated\n");
}