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netfilter: ipvs: Fix reuse connection if RS weight is 0

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We are changing expire_nodest_conn to work even for reused connections when
conn_reuse_mode=0, just as what was done with commit dc7b3eb900 ("ipvs:
Fix reuse connection if real server is dead").

For controlled and persistent connections, the new connection will get the
needed real server depending on the rules in ip_vs_check_template().

Fixes: d752c36457 ("ipvs: allow rescheduling of new connections when port reuse is detected")
Co-developed-by: Chuanqi Liu <legend050709@qq.com>
Signed-off-by: Chuanqi Liu <legend050709@qq.com>
Signed-off-by: yangxingwu <xingwu.yang@gmail.com>
Acked-by: Simon Horman <horms@verge.net.au>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
yangxingwu
2021-11-04 03:10:29 +01:00
committed by Pablo Neira Ayuso
parent 77522ff02f
commit c95c07836f
2 changed files with 5 additions and 6 deletions
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3
Documentation/networking/ipvs-sysctl.rst
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@@ -37,8 +37,7 @@ conn_reuse_mode - INTEGER
0: disable any special handling on port reuse. The new
connection will be delivered to the same real server that was
servicing the previous connection. This will effectively
disable expire_nodest_conn.
servicing the previous connection.
bit 1: enable rescheduling of new connections when it is safe.
That is, whenever expire_nodest_conn and for TCP sockets, when