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Commit 80193aee authored by Ian McDonald's avatar Ian McDonald Committed by David S. Miller
Browse files

[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: default avatarDavid S. Miller <davem@davemloft.net>
parent 837d107c

net/dccp/ccids/lib/packet_history.c

+19 −0
Original line number Diff line number Diff line
@@ -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)

net/dccp/ccids/lib/packet_history.h

+2 −0
Original line number Diff line number Diff line
@@ -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)