Hello.
On 2/18/2016 3:41 AM, Simon Horman wrote:
From: Julian Anastasov <ja@xxxxxx>
"RFC 5961, 4.2. Mitigation" describes a mechanism to request
client to confirm with RST the restart of TCP connection
before resending its SYN. As result, IPVS can see SYNs for
existing connection in CLOSE state. Add check to allow
rescheduling in this state.
Signed-off-by: Julian Anastasov <ja@xxxxxx>
Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>
---
net/netfilter/ipvs/ip_vs_core.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 4da560005b0e..0c1d3fef9a7c 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -1089,6 +1089,7 @@ static inline bool is_new_conn_expected(const struct ip_vs_conn *cp,
switch (cp->protocol) {
case IPPROTO_TCP:
return (cp->state == IP_VS_TCP_S_TIME_WAIT) ||
+ cp->state == IP_VS_TCP_S_CLOSE ||
I would have been consistent and enclosed this expression into parens as
well. BTW, the indentation is not correct anyway.
((conn_reuse_mode & 2) &&
(cp->state == IP_VS_TCP_S_FIN_WAIT) &&
(cp->flags & IP_VS_CONN_F_NOOUTPUT));
MBR, Sergei
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