1 files changed, 23 insertions, 4 deletions

diff --git a/net/dccp/ccids/lib/packet_history.c b/net/dccp/ccids/lib/packet_history.c
index ad98d6a322eb..420c60f8604d 100644
--- a/net/dccp/ccids/lib/packet_history.c
+++ b/net/dccp/ccids/lib/packet_history.c
@@ -1,13 +1,13 @@
 /*
- *  net/dccp/packet_history.h
+ *  net/dccp/packet_history.c
  *
- *  Copyright (c) 2005 The University of Waikato, Hamilton, New Zealand.
+ *  Copyright (c) 2005-6 The University of Waikato, Hamilton, New Zealand.
  *
  *  An implementation of the DCCP protocol
  *
  *  This code has been developed by the University of Waikato WAND
  *  research group. For further information please see http://www.wand.net.nz/
- *  or e-mail Ian McDonald - iam4@cs.waikato.ac.nz
+ *  or e-mail Ian McDonald - ian.mcdonald@jandi.co.nz
  *
  *  This code also uses code from Lulea University, rereleased as GPL by its
  *  authors:
@@ -365,6 +365,25 @@ struct dccp_tx_hist_entry *
 
 EXPORT_SYMBOL_GPL(dccp_tx_hist_find_entry);
 
+int dccp_rx_hist_find_entry(const struct list_head *list, const u64 seq,
+   u8 *ccval)
+{
+        struct dccp_rx_hist_entry *packet = NULL, *entry;
+
+        list_for_each_entry(entry, list, dccphrx_node)
+                if (entry->dccphrx_seqno == seq) {
+                        packet = entry;
+                        break;
+                }
+
+        if (packet)
+                *ccval = packet->dccphrx_ccval;
+
+        return packet != NULL;
+}
+
+EXPORT_SYMBOL_GPL(dccp_rx_hist_find_entry);
+
 void dccp_tx_hist_purge_older(struct dccp_tx_hist *hist,
                               struct list_head *list,
                               struct dccp_tx_hist_entry *packet)
@@ -391,7 +410,7 @@ void dccp_tx_hist_purge(struct dccp_tx_hist *hist, struct list_head *list)
 
 EXPORT_SYMBOL_GPL(dccp_tx_hist_purge);
 
-MODULE_AUTHOR("Ian McDonald <iam4@cs.waikato.ac.nz>, "
+MODULE_AUTHOR("Ian McDonald <ian.mcdonald@jandi.co.nz>, "
               "Arnaldo Carvalho de Melo <acme@ghostprotocols.net>");
 MODULE_DESCRIPTION("DCCP TFRC library");
 MODULE_LICENSE("GPL");