tipc: name tipc name table support net namespace

TIPC name table is used to store the mapping relationship between
TIPC service name and socket port ID. When tipc supports namespace,
it allows users to publish service names only owned by a certain
namespace. Therefore, every namespace must have its private name
table to prevent service names published to one namespace from being
contaminated by other service names in another namespace. Therefore,
The name table global variable (ie, nametbl) and its lock must be
moved to tipc_net structure, and a parameter of namespace must be
added for necessary functions so that they can obtain name table
variable defined in tipc_net structure.

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>

1 files changed, 2 insertions, 2 deletions

diff --git a/net/tipc/msg.c b/net/tipc/msg.c
index a38f6a680df1..642fb137463c 100644
--- a/net/tipc/msg.c
+++ b/net/tipc/msg.c
@@ -426,7 +426,7 @@ exit:
  * Returns 0 (TIPC_OK) if message ok and we can try again, -TIPC error
  * code if message to be rejected
  */
-int tipc_msg_eval(struct sk_buff *buf, u32 *dnode)
+int tipc_msg_eval(struct net *net, struct sk_buff *buf, u32 *dnode)
 {
         struct tipc_msg *msg = buf_msg(buf);
         u32 dport;
@@ -441,7 +441,7 @@ int tipc_msg_eval(struct sk_buff *buf, u32 *dnode)
                 return -TIPC_ERR_NO_NAME;
 
         *dnode = addr_domain(msg_lookup_scope(msg));
-        dport = tipc_nametbl_translate(msg_nametype(msg),
+        dport = tipc_nametbl_translate(net, msg_nametype(msg),
                                        msg_nameinst(msg),
                                        dnode);
         if (!dport)