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[DCCP]: Introduce dccp_rx_hist_find_entry

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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>
This commit is contained in:
Ian McDonald 2006-08-26 19:07:36 -07:00 committed by David S. Miller
parent 837d107cd1
commit 80193aee18
2 changed files with 21 additions and 0 deletions
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19
net/dccp/ccids/lib/packet_history.c
View File

@ -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)

2
net/dccp/ccids/lib/packet_history.h
View File

@ -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)