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tipc: involve namespace infrastructure

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Involve namespace infrastructure, make the "tipc_net_id" global
variable aware of per namespace, and rename it to "net_id". In
order that the conversion can be successfully done, an instance
of networking namespace must be passed to relevant functions,
allowing them to access the "net_id" variable of per 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 15:27:04 +08:00 • committed by David S. Miller
parent 54fef04ad0
commit c93d3baa24
15 changed files with 151 additions and 86 deletions
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28
net/tipc/core.c
View file

@ -52,6 +52,26 @@ u32 tipc_own_addr __read_mostly;
int tipc_net_id __read_mostly;
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);
tn->net_id = 4711;
return 0;
}
static void __net_exit tipc_exit_net(struct net *net)
{
}
static struct pernet_operations tipc_net_ops = {
.init = tipc_init_net,
.exit = tipc_exit_net,
.id = &tipc_net_id,
.size = sizeof(struct tipc_net),
};
static int __init tipc_init(void)
{
int err;
@ -59,7 +79,6 @@ static int __init tipc_init(void)
pr_info("Activated (version " TIPC_MOD_VER ")\n");
tipc_own_addr = 0;
tipc_net_id = 4711;
sysctl_tipc_rmem[0] = TIPC_CONN_OVERLOAD_LIMIT >> 4 <<
TIPC_LOW_IMPORTANCE;
@ -69,6 +88,10 @@ 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_sk_rht_init();
if (err)
goto out_reftbl;
@ -112,12 +135,15 @@ out_netlink:
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");
return err;
}
static void __exit tipc_exit(void)
{
unregister_pernet_subsys(&tipc_net_ops);
tipc_net_stop();
tipc_bearer_cleanup();
tipc_netlink_stop();