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authorYing Xue <ying.xue@windriver.com>2015-01-09 10:27:04 +0300
committerDavid S. Miller <davem@davemloft.net>2015-01-13 00:24:32 +0300
commitc93d3baa24095887005647984cff5de8c63d3611 (patch)
tree1c7917d92605991696960243fe97dfef9d14913a /net/tipc/net.c
parent54fef04ad05f15984082c225fe47ce6af8ea1c5c (diff)
downloadlinux-c93d3baa24095887005647984cff5de8c63d3611.tar.xz
tipc: involve namespace infrastructure
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>
Diffstat (limited to 'net/tipc/net.c')
-rw-r--r--net/tipc/net.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/net/tipc/net.c b/net/tipc/net.c
index cf13df3cde8f..5ce9d628f2d0 100644
--- a/net/tipc/net.c
+++ b/net/tipc/net.c
@@ -108,8 +108,9 @@ static const struct nla_policy tipc_nl_net_policy[TIPC_NLA_NET_MAX + 1] = {
* - A local spin_lock protecting the queue of subscriber events.
*/
-int tipc_net_start(u32 addr)
+int tipc_net_start(struct net *net, u32 addr)
{
+ struct tipc_net *tn = net_generic(net, tipc_net_id);
char addr_string[16];
int res;
@@ -125,7 +126,8 @@ int tipc_net_start(u32 addr)
pr_info("Started in network mode\n");
pr_info("Own node address %s, network identity %u\n",
- tipc_addr_string_fill(addr_string, tipc_own_addr), tipc_net_id);
+ tipc_addr_string_fill(addr_string, tipc_own_addr),
+ tn->net_id);
return 0;
}
@@ -144,8 +146,9 @@ void tipc_net_stop(void)
pr_info("Left network mode\n");
}
-static int __tipc_nl_add_net(struct tipc_nl_msg *msg)
+static int __tipc_nl_add_net(struct net *net, struct tipc_nl_msg *msg)
{
+ struct tipc_net *tn = net_generic(net, tipc_net_id);
void *hdr;
struct nlattr *attrs;
@@ -158,7 +161,7 @@ static int __tipc_nl_add_net(struct tipc_nl_msg *msg)
if (!attrs)
goto msg_full;
- if (nla_put_u32(msg->skb, TIPC_NLA_NET_ID, tipc_net_id))
+ if (nla_put_u32(msg->skb, TIPC_NLA_NET_ID, tn->net_id))
goto attr_msg_full;
nla_nest_end(msg->skb, attrs);
@@ -176,6 +179,7 @@ msg_full:
int tipc_nl_net_dump(struct sk_buff *skb, struct netlink_callback *cb)
{
+ struct net *net = sock_net(skb->sk);
int err;
int done = cb->args[0];
struct tipc_nl_msg msg;
@@ -187,7 +191,7 @@ int tipc_nl_net_dump(struct sk_buff *skb, struct netlink_callback *cb)
msg.portid = NETLINK_CB(cb->skb).portid;
msg.seq = cb->nlh->nlmsg_seq;
- err = __tipc_nl_add_net(&msg);
+ err = __tipc_nl_add_net(net, &msg);
if (err)
goto out;
@@ -200,8 +204,10 @@ out:
int tipc_nl_net_set(struct sk_buff *skb, struct genl_info *info)
{
- int err;
+ struct net *net = genl_info_net(info);
+ struct tipc_net *tn = net_generic(net, tipc_net_id);
struct nlattr *attrs[TIPC_NLA_NET_MAX + 1];
+ int err;
if (!info->attrs[TIPC_NLA_NET])
return -EINVAL;
@@ -223,7 +229,7 @@ int tipc_nl_net_set(struct sk_buff *skb, struct genl_info *info)
if (val < 1 || val > 9999)
return -EINVAL;
- tipc_net_id = val;
+ tn->net_id = val;
}
if (attrs[TIPC_NLA_NET_ADDR]) {
@@ -238,7 +244,7 @@ int tipc_nl_net_set(struct sk_buff *skb, struct genl_info *info)
return -EINVAL;
rtnl_lock();
- tipc_net_start(addr);
+ tipc_net_start(net, addr);
rtnl_unlock();
}