diff options
| author | Jesper Dangaard Brouer <hawk@comx.dk> | 2010-04-23 06:34:56 -0400 |
|---|---|---|
| committer | Patrick McHardy <kaber@trash.net> | 2010-04-23 06:34:56 -0400 |
| commit | af740b2c8f4521e2c45698ee6040941a82d6349d (patch) | |
| tree | ae9fb87ebbfd422b07cb8e027fbe13e9c40c403e /include | |
| parent | cecc74de25d2cfb08e7702cd38e3f195950f1228 (diff) | |
netfilter: nf_conntrack: extend with extra stat counter
I suspect an unfortunatly series of events occuring under a DDoS
attack, in function __nf_conntrack_find() nf_contrack_core.c.
Adding a stats counter to see if the search is restarted too often.
Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/netfilter/nf_conntrack_common.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/netfilter/nf_conntrack_common.h b/include/linux/netfilter/nf_conntrack_common.h index c608677dda60..14e6d32002c4 100644 --- a/include/linux/netfilter/nf_conntrack_common.h +++ b/include/linux/netfilter/nf_conntrack_common.h | |||
| @@ -113,6 +113,7 @@ struct ip_conntrack_stat { | |||
| 113 | unsigned int expect_new; | 113 | unsigned int expect_new; |
| 114 | unsigned int expect_create; | 114 | unsigned int expect_create; |
| 115 | unsigned int expect_delete; | 115 | unsigned int expect_delete; |
| 116 | unsigned int search_restart; | ||
| 116 | }; | 117 | }; |
| 117 | 118 | ||
| 118 | /* call to create an explicit dependency on nf_conntrack. */ | 119 | /* call to create an explicit dependency on nf_conntrack. */ |