diff options
author | Patrick McHardy <kaber@trash.net> | 2008-07-31 00:38:01 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2008-07-31 00:38:01 -0700 |
commit | ae375044d31075a31de5a839e07ded7f67b660aa (patch) | |
tree | 13f49a97aa48fa8f19cbe7055e0b5e4df3abc462 /include/linux/netfilter | |
parent | a97a6f10771b90235b33c13a6db9279237a08422 (diff) | |
download | linux-ae375044d31075a31de5a839e07ded7f67b660aa.tar.gz linux-ae375044d31075a31de5a839e07ded7f67b660aa.tar.bz2 linux-ae375044d31075a31de5a839e07ded7f67b660aa.zip |
netfilter: nf_conntrack_tcp: decrease timeouts while data in unacknowledged
In order to time out dead connections quicker, keep track of outstanding data
and cap the timeout.
Suggested by Herbert Xu.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/netfilter')
-rw-r--r-- | include/linux/netfilter/nf_conntrack_tcp.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/netfilter/nf_conntrack_tcp.h b/include/linux/netfilter/nf_conntrack_tcp.h index 22ce29995f13..a049df4f2236 100644 --- a/include/linux/netfilter/nf_conntrack_tcp.h +++ b/include/linux/netfilter/nf_conntrack_tcp.h @@ -30,6 +30,9 @@ enum tcp_conntrack { /* Be liberal in window checking */ #define IP_CT_TCP_FLAG_BE_LIBERAL 0x08 +/* Has unacknowledged data */ +#define IP_CT_TCP_FLAG_DATA_UNACKNOWLEDGED 0x10 + struct nf_ct_tcp_flags { u_int8_t flags; u_int8_t mask; |