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-rw-r--r--net/tipc/bearer.c21
-rw-r--r--net/tipc/bearer.h1
2 files changed, 22 insertions, 0 deletions
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index 65b0998a9bab..65b1bbf133bd 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -171,6 +171,27 @@ struct tipc_bearer *tipc_bearer_find(struct net *net, const char *name)
return NULL;
}
+/* tipc_bearer_get_name - get the bearer name from its id.
+ * @net: network namespace
+ * @name: a pointer to the buffer where the name will be stored.
+ * @bearer_id: the id to get the name from.
+ */
+int tipc_bearer_get_name(struct net *net, char *name, u32 bearer_id)
+{
+ struct tipc_net *tn = tipc_net(net);
+ struct tipc_bearer *b;
+
+ if (bearer_id >= MAX_BEARERS)
+ return -EINVAL;
+
+ b = rtnl_dereference(tn->bearer_list[bearer_id]);
+ if (!b)
+ return -EINVAL;
+
+ strcpy(name, b->name);
+ return 0;
+}
+
void tipc_bearer_add_dest(struct net *net, u32 bearer_id, u32 dest)
{
struct tipc_net *tn = net_generic(net, tipc_net_id);
diff --git a/net/tipc/bearer.h b/net/tipc/bearer.h
index f1e6db5e6345..43757f1f9cb3 100644
--- a/net/tipc/bearer.h
+++ b/net/tipc/bearer.h
@@ -197,6 +197,7 @@ int tipc_l2_send_msg(struct net *net, struct sk_buff *buf,
void tipc_bearer_add_dest(struct net *net, u32 bearer_id, u32 dest);
void tipc_bearer_remove_dest(struct net *net, u32 bearer_id, u32 dest);
struct tipc_bearer *tipc_bearer_find(struct net *net, const char *name);
+int tipc_bearer_get_name(struct net *net, char *name, u32 bearer_id);
struct tipc_media *tipc_media_find(const char *name);
void tipc_bearer_reset_all(struct net *net);
int tipc_bearer_setup(void);