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OpenCloudOS-Kernel/Documentation/networking/mptcp-sysctl.rst

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docs: networking: mptcp: Add MPTCP sysctl entries Describe the two MPTCP sysctls, what the values mean, and the default settings. Acked-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-04 03:05:08 +08:00
.. SPDX-License-Identifier: GPL-2.0
=====================
MPTCP Sysfs variables
=====================
/proc/sys/net/mptcp/* Variables
===============================
mptcp: restrict values of 'enabled' sysctl To avoid confusions, it seems better to parse this sysctl parameter as a boolean. We use it as a boolean, no need to parse an integer and bring confusions if we see a value different from 0 and 1, especially with this parameter name: enabled. It seems fine to do this modification because the default value is 1 (enabled). Then the only other interesting value to set is 0 (disabled). All other values would not have changed the default behaviour. Suggested-by: Florian Westphal <fw@strlen.de> Acked-by: Florian Westphal <fw@strlen.de> Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-05-28 07:54:30 +08:00
enabled - BOOLEAN
docs: networking: mptcp: Add MPTCP sysctl entries Describe the two MPTCP sysctls, what the values mean, and the default settings. Acked-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-04 03:05:08 +08:00
Control whether MPTCP sockets can be created.
mptcp: restrict values of 'enabled' sysctl To avoid confusions, it seems better to parse this sysctl parameter as a boolean. We use it as a boolean, no need to parse an integer and bring confusions if we see a value different from 0 and 1, especially with this parameter name: enabled. It seems fine to do this modification because the default value is 1 (enabled). Then the only other interesting value to set is 0 (disabled). All other values would not have changed the default behaviour. Suggested-by: Florian Westphal <fw@strlen.de> Acked-by: Florian Westphal <fw@strlen.de> Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-05-28 07:54:30 +08:00
MPTCP sockets can be created if the value is 1. This is a
per-namespace sysctl.
docs: networking: mptcp: Add MPTCP sysctl entries Describe the two MPTCP sysctls, what the values mean, and the default settings. Acked-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-04 03:05:08 +08:00
mptcp: restrict values of 'enabled' sysctl To avoid confusions, it seems better to parse this sysctl parameter as a boolean. We use it as a boolean, no need to parse an integer and bring confusions if we see a value different from 0 and 1, especially with this parameter name: enabled. It seems fine to do this modification because the default value is 1 (enabled). Then the only other interesting value to set is 0 (disabled). All other values would not have changed the default behaviour. Suggested-by: Florian Westphal <fw@strlen.de> Acked-by: Florian Westphal <fw@strlen.de> Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-05-28 07:54:30 +08:00
Default: 1 (enabled)
docs: networking: mptcp: Add MPTCP sysctl entries Describe the two MPTCP sysctls, what the values mean, and the default settings. Acked-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-04 03:05:08 +08:00
add_addr_timeout - INTEGER (seconds)
Set the timeout after which an ADD_ADDR control message will be
resent to an MPTCP peer that has not acknowledged a previous
ADD_ADDR message.
The default value matches TCP_RTO_MAX. This is a per-namespace
sysctl.
Default: 120