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authorIan McDonald <ian.mcdonald@jandi.co.nz>2006-08-26 19:07:36 -0700
committerDavid S. Miller <davem@davemloft.net>2006-08-26 19:07:36 -0700
commit80193aee18bc862e284ba18504f3a3e14706a997 (patch)
tree84b814bc136727976c9e9503093519a93b646529
parent837d107cd101fbf734e9ea2bbb5c7336a329e432 (diff)
downloadlinux-stericsson-80193aee18bc862e284ba18504f3a3e14706a997.tar.gz
[DCCP]: Introduce dccp_rx_hist_find_entry
This adds a new function dccp_rx_hist_find_entry. Signed off by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/dccp/ccids/lib/packet_history.c19
-rw-r--r--net/dccp/ccids/lib/packet_history.h2
2 files changed, 21 insertions, 0 deletions
diff --git a/net/dccp/ccids/lib/packet_history.c b/net/dccp/ccids/lib/packet_history.c
index 7b6b03e9271a..420c60f8604d 100644
--- a/net/dccp/ccids/lib/packet_history.c
+++ b/net/dccp/ccids/lib/packet_history.c
@@ -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)
diff --git a/net/dccp/ccids/lib/packet_history.h b/net/dccp/ccids/lib/packet_history.h
index 27c43092636c..aea9c5d70910 100644
--- a/net/dccp/ccids/lib/packet_history.h
+++ b/net/dccp/ccids/lib/packet_history.h
@@ -106,6 +106,8 @@ static inline void dccp_tx_hist_entry_delete(struct dccp_tx_hist *hist,
extern struct dccp_tx_hist_entry *
dccp_tx_hist_find_entry(const struct list_head *list,
const u64 seq);
+extern int dccp_rx_hist_find_entry(const struct list_head *list, const u64 seq,
+ u8 *ccval);
static inline void dccp_tx_hist_add_entry(struct list_head *list,
struct dccp_tx_hist_entry *entry)