tipc: disallow packet duplicates in link deferred queue

[cascardo/linux.git] / net / tipc / msg.h

diff --git a/net/tipc/msg.h b/net/tipc/msg.h
index a82c584..c784ba0 100644 (file)
--- a/net/tipc/msg.h
+++ b/net/tipc/msg.h
@@ -790,6 +790,8 @@ int tipc_msg_build(struct tipc_msg *mhdr, struct msghdr *m,
                   int offset, int dsz, int mtu, struct sk_buff_head *list);
 bool tipc_msg_lookup_dest(struct net *net, struct sk_buff *skb, int *err);
 struct sk_buff *tipc_msg_reassemble(struct sk_buff_head *list);
+void __tipc_skb_queue_sorted(struct sk_buff_head *list, u16 seqno,
+                            struct sk_buff *skb);
 
 static inline u16 buf_seqno(struct sk_buff *skb)
 {
@@ -862,38 +864,6 @@ static inline struct sk_buff *tipc_skb_dequeue(struct sk_buff_head *list,
        return skb;
 }
 
-/* tipc_skb_queue_sorted(); sort pkt into list according to sequence number
- * @list: list to be appended to
- * @skb: buffer to add
- * Returns true if queue should treated further, otherwise false
- */
-static inline bool __tipc_skb_queue_sorted(struct sk_buff_head *list,
-                                          struct sk_buff *skb)
-{
-       struct sk_buff *_skb, *tmp;
-       struct tipc_msg *hdr = buf_msg(skb);
-       u16 seqno = msg_seqno(hdr);
-
-       if (skb_queue_empty(list) || (msg_user(hdr) == LINK_PROTOCOL)) {
-               __skb_queue_head(list, skb);
-               return true;
-       }
-       if (likely(less(seqno, buf_seqno(skb_peek(list))))) {
-               __skb_queue_head(list, skb);
-               return true;
-       }
-       if (!more(seqno, buf_seqno(skb_peek_tail(list)))) {
-               skb_queue_walk_safe(list, _skb, tmp) {
-                       if (likely(less(seqno, buf_seqno(_skb)))) {
-                               __skb_queue_before(list, _skb, skb);
-                               return true;
-                       }
-               }
-       }
-       __skb_queue_tail(list, skb);
-       return false;
-}
-
 /* tipc_skb_queue_splice_tail - append an skb list to lock protected list
  * @list: the new list to append. Not lock protected
  * @head: target list. Lock protected.