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, 4 insertions, 7 deletions

diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index accb02cb3527..4670e1e46c89 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -778,11 +778,8 @@ void tipc_sk_mcast_rcv(struct net *net, struct sk_buff *buf)
                 scope = TIPC_NODE_SCOPE;
 
         /* Create destination port list: */
-        tipc_nametbl_mc_translate(msg_nametype(msg),
-                                  msg_namelower(msg),
-                                  msg_nameupper(msg),
-                                  scope,
-                                  &dports);
+        tipc_nametbl_mc_translate(net, msg_nametype(msg), msg_namelower(msg),
+                                  msg_nameupper(msg), scope, &dports);
         last = dports.count;
         if (!last) {
                 kfree_skb(buf);
@@ -943,7 +940,7 @@ static int tipc_sendmsg(struct kiocb *iocb, struct socket *sock,
                 msg_set_nametype(mhdr, type);
                 msg_set_nameinst(mhdr, inst);
                 msg_set_lookup_scope(mhdr, tipc_addr_scope(domain));
-                dport = tipc_nametbl_translate(type, inst, &dnode);
+                dport = tipc_nametbl_translate(net, type, inst, &dnode);
                 msg_set_destnode(mhdr, dnode);
                 msg_set_destport(mhdr, dport);
                 if (unlikely(!dport && !dnode)) {
@@ -1765,7 +1762,7 @@ int tipc_sk_rcv(struct net *net, struct sk_buff *skb)
         /* Validate destination and message */
         tsk = tipc_sk_lookup(net, dport);
         if (unlikely(!tsk)) {
-                rc = tipc_msg_eval(skb, &dnode);
+                rc = tipc_msg_eval(net, skb, &dnode);
                 goto exit;
         }
         sk = &tsk->sk;