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| author | George Hansper | 2006-09-20 21:03:23 +0200 |
|---|---|---|
| committer | David S. Miller | 2006-09-23 00:19:57 +0200 |
| commit | c1fe3ca5106d9568791433fa6c7f27e71ac69e1b (patch) | |
| tree | e3a00c265b70caadc7a6b8a17aa82491e354e31e /net/ipv4/netfilter | |
| parent | [NETFILTER]: xt_policy: remove dups in .family (diff) | |
| download | kernel-qcow2-linux-c1fe3ca5106d9568791433fa6c7f27e71ac69e1b.tar.gz kernel-qcow2-linux-c1fe3ca5106d9568791433fa6c7f27e71ac69e1b.tar.xz kernel-qcow2-linux-c1fe3ca5106d9568791433fa6c7f27e71ac69e1b.zip | |
[NETFILTER]: TCP conntrack: improve dead connection detection
Don't count window updates as retransmissions.
Signed-off-by: George Hansper <georgeh@anstat.com.au>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'net/ipv4/netfilter')
| -rw-r--r-- | net/ipv4/netfilter/ip_conntrack_proto_tcp.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv4/netfilter/ip_conntrack_proto_tcp.c b/net/ipv4/netfilter/ip_conntrack_proto_tcp.c index 75a7237eb8c1..03ae9a04cb37 100644 --- a/net/ipv4/netfilter/ip_conntrack_proto_tcp.c +++ b/net/ipv4/netfilter/ip_conntrack_proto_tcp.c @@ -731,13 +731,15 @@ static int tcp_in_window(struct ip_ct_tcp *state, if (state->last_dir == dir && state->last_seq == seq && state->last_ack == ack - && state->last_end == end) + && state->last_end == end + && state->last_win == win) state->retrans++; else { state->last_dir = dir; state->last_seq = seq; state->last_ack = ack; state->last_end = end; + state->last_win = win; state->retrans = 0; } } |