tipc: let neighbor discoverer tranmsit consumable buffers

[cascardo/linux.git] / net / tipc / bearer.c

diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index 62f47ec..1133391 100644 (file)
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -464,6 +464,37 @@ void tipc_bearer_send(struct net *net, u32 bearer_id, struct sk_buff *buf,
        rcu_read_unlock();
 }
 
+int tipc_bearer_mtu(struct net *net, u32 bearer_id)
+{
+       int mtu = 0;
+       struct tipc_bearer *b;
+
+       rcu_read_lock();
+       b = rcu_dereference_rtnl(tipc_net(net)->bearer_list[bearer_id]);
+       if (b)
+               mtu = b->mtu;
+       rcu_read_unlock();
+       return mtu;
+}
+
+/* tipc_bearer_xmit_skb - sends buffer to destination over bearer
+ */
+void tipc_bearer_xmit_skb(struct net *net, u32 bearer_id,
+                         struct sk_buff *skb,
+                         struct tipc_media_addr *dest)
+{
+       struct tipc_net *tn = tipc_net(net);
+       struct tipc_bearer *b;
+
+       rcu_read_lock();
+       b = rcu_dereference_rtnl(tn->bearer_list[bearer_id]);
+       if (likely(b))
+               b->media->send_msg(net, skb, b, dest);
+       rcu_read_unlock();
+       /* Until we remove cloning in tipc_l2_send_msg(): */
+       kfree_skb(skb);
+}
+
 /* tipc_bearer_xmit() -send buffer to destination over bearer
  */
 void tipc_bearer_xmit(struct net *net, u32 bearer_id,