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[TFRC]: Provide central source file and debug facility

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This patch changes the tfrc_lib module in the following manner:

 (1) a dedicated tfrc source file to call the packet history &
     loss interval init/exit functions.
 (2) a dedicated tfrc_pr_debug macro with toggle switch `tfrc_debug'.

Commiter note: renamed tfrc_module.c to tfrc.c, and made CONFIG_IP_DCCP_CCID3
select IP_DCCP_TFRC_LIB.

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: Ian McDonald <ian.mcdonald@jandi.co.nz>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Gerrit Renker
2007-12-06 12:26:38 -02:00
committed by David S. Miller
parent f8b33fdfaf
commit c40616c597
6 changed files with 75 additions and 35 deletions
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27
net/dccp/ccids/lib/packet_history.c
View File

@ -35,7 +35,6 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/module.h>
#include <linux/string.h>
#include "packet_history.h"
@ -277,39 +276,19 @@ void dccp_rx_hist_purge(struct dccp_rx_hist *hist, struct list_head *list)
EXPORT_SYMBOL_GPL(dccp_rx_hist_purge);
extern int __init dccp_li_init(void);
extern void dccp_li_exit(void);
static __init int packet_history_init(void)
__init int packet_history_init(void)
{
if (dccp_li_init() != 0)
goto out;
tfrc_tx_hist = kmem_cache_create("tfrc_tx_hist",
sizeof(struct tfrc_tx_hist_entry), 0,
SLAB_HWCACHE_ALIGN, NULL);
if (tfrc_tx_hist == NULL)
goto out_li_exit;
return 0;
out_li_exit:
dccp_li_exit();
out:
return -ENOBUFS;
return tfrc_tx_hist == NULL ? -ENOBUFS : 0;
}
module_init(packet_history_init);
static __exit void packet_history_exit(void)
void packet_history_exit(void)
{
if (tfrc_tx_hist != NULL) {
kmem_cache_destroy(tfrc_tx_hist);
tfrc_tx_hist = NULL;
}
dccp_li_exit();
}
module_exit(packet_history_exit);
MODULE_AUTHOR("Ian McDonald <ian.mcdonald@jandi.co.nz>, "
"Arnaldo Carvalho de Melo <acme@ghostprotocols.net>");
MODULE_DESCRIPTION("DCCP TFRC library");
MODULE_LICENSE("GPL");