[PATCH 4/7] [DCCP]: Introduce dccp_rx_hist_find_entry
From: Ian McDonald <hidden>
Date: 2006-08-24 03:23:30
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
This adds a new function dccp_rx_hist_find_entry. Signed off by: Ian McDonald [off-list ref] ---
diff --git a/net/dccp/ccids/lib/packet_history.c b/net/dccp/ccids/lib/packet_history.c
index 7b6b03e..1c68182 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 27c4309..aea9c5d 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_de 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)