linux-stable.git/net/ipv4/tcp_timer.c, branch linux-4.6.y Linux kernel stable tree ipv4: Namespaceify tcp_orphan_retries sysctl knob 2016-02-07T19:35:11+00:00 Nikolay Borisov kernel@kyup.com 2016-02-03T07:46:55+00:00 c402d9beffb6141ab2e4d2ad8be71128803a28ca Signed-off-by: Nikolay Borisov <kernel@kyup.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
Signed-off-by: Nikolay Borisov <kernel@kyup.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ipv4: Namespaceify tcp_retries2 sysctl knob 2016-02-07T19:35:11+00:00 Nikolay Borisov kernel@kyup.com 2016-02-03T07:46:54+00:00 c6214a97c86c660de4f7ddb8eed925192e646161 Signed-off-by: Nikolay Borisov <kernel@kyup.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
Signed-off-by: Nikolay Borisov <kernel@kyup.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ipv4: Namespaceify tcp_retries1 sysctl knob 2016-02-07T19:35:10+00:00 Nikolay Borisov kernel@kyup.com 2016-02-03T07:46:53+00:00 ae5c3f406cffe15ffd2aa544961b7cd027468d46 Signed-off-by: Nikolay Borisov <kernel@kyup.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
Signed-off-by: Nikolay Borisov <kernel@kyup.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ipv4: Namespaceify tcp synack retries sysctl knob 2016-02-07T19:35:10+00:00 Nikolay Borisov kernel@kyup.com 2016-02-03T07:46:50+00:00 7c083ecb3ba4583a625d5ff9655d1a819e374493 Signed-off-by: Nikolay Borisov <kernel@kyup.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
Signed-off-by: Nikolay Borisov <kernel@kyup.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ipv4: Namespaceify tcp syn retries sysctl knob 2016-02-07T19:35:10+00:00 Nikolay Borisov kernel@kyup.com 2016-02-03T07:46:49+00:00 6fa251663069e05daadd1666cbf3b658bf840ea4 Signed-off-by: Nikolay Borisov <kernel@kyup.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
Signed-off-by: Nikolay Borisov <kernel@kyup.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ipv4: Namespecify the tcp_keepalive_intvl sysctl knob 2016-01-10T22:32:09+00:00 Nikolay Borisov kernel@kyup.com 2016-01-07T14:38:45+00:00 b840d15d39128d08ed4486085e5507d2617b9ae1 This is the final part required to namespaceify the tcp keep alive mechanism. Signed-off-by: Nikolay Borisov <kernel@kyup.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
This is the final part required to namespaceify the tcp
keep alive mechanism.

Signed-off-by: Nikolay Borisov <kernel@kyup.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ipv4: Namespecify tcp_keepalive_probes sysctl knob 2016-01-10T22:32:09+00:00 Nikolay Borisov kernel@kyup.com 2016-01-07T14:38:44+00:00 9bd6861bd4326e3afd3f14a9ec8a723771fb20bb This is required to have full tcp keepalive mechanism namespace support. Signed-off-by: Nikolay Borisov <kernel@kyup.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
This is required to have full tcp keepalive mechanism namespace
support.

Signed-off-by: Nikolay Borisov <kernel@kyup.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ipv4: Namespaceify tcp_keepalive_time sysctl knob 2016-01-10T22:32:09+00:00 Nikolay Borisov kernel@kyup.com 2016-01-07T14:38:43+00:00 13b287e8d1cad951634389f85b8c9b816bd3bb1e Different net namespaces might have different requirements as to the keepalive time of tcp sockets. This might be required in cases where different firewall rules are in place which require tcp timeout sockets to be increased/decreased independently of the host. Signed-off-by: Nikolay Borisov <kernel@kyup.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
Different net namespaces might have different requirements as to
the keepalive time of tcp sockets. This might be required in cases
where different firewall rules are in place which require tcp
timeout sockets to be increased/decreased independently of the host.

Signed-off-by: Nikolay Borisov <kernel@kyup.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
tcp: fix Fast Open snmp over-counting bug 2015-11-20T15:51:12+00:00 Yuchung Cheng ycheng@google.com 2015-11-19T02:17:31+00:00 dd52bc2b4ed16db66f9347aa263d8f1dc889b4b6 Fix incrementing TCPFastOpenActiveFailed snmp stats multiple times when the handshake experiences multiple SYN timeouts. Signed-off-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
Fix incrementing TCPFastOpenActiveFailed snmp stats multiple times
when the handshake experiences multiple SYN timeouts.

Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
tcp: disable Fast Open on timeouts after handshake 2015-11-20T15:51:12+00:00 Yuchung Cheng ycheng@google.com 2015-11-19T02:17:30+00:00 0e45f4da5981895e885dd72fe912a3f8e32bae73 Some middle-boxes black-hole the data after the Fast Open handshake (https://www.ietf.org/proceedings/94/slides/slides-94-tcpm-13.pdf). The exact reason is unknown. The work-around is to disable Fast Open temporarily after multiple recurring timeouts with few or no data delivered in the established state. Signed-off-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: Christoph Paasch <cpaasch@apple.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
Some middle-boxes black-hole the data after the Fast Open handshake
(https://www.ietf.org/proceedings/94/slides/slides-94-tcpm-13.pdf).
The exact reason is unknown. The work-around is to disable Fast Open
temporarily after multiple recurring timeouts with few or no data
delivered in the established state.

Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Christoph Paasch <cpaasch@apple.com>
Signed-off-by: David S. Miller <davem@davemloft.net>