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Documentation: Describe net.ipv4.tcp_reflect_tos.

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The tcp_reflect_tos option was introduced in Linux 5.10 but was still
undocumented.

Signed-off-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Guillaume Nault 2022-07-27 13:18:21 +02:00 committed by David S. Miller
parent dc633700f0
commit 1c7249e4af
1 changed files with 10 additions and 0 deletions
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10
Documentation/networking/ip-sysctl.rst
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@ -636,6 +636,16 @@ tcp_recovery - INTEGER
Default: 0x1
tcp_reflect_tos - BOOLEAN
For listening sockets, reuse the DSCP value of the initial SYN message
for outgoing packets. This allows to have both directions of a TCP
stream to use the same DSCP value, assuming DSCP remains unchanged for
the lifetime of the connection.
This options affects both IPv4 and IPv6.
Default: 0 (disabled)
tcp_reordering - INTEGER
Initial reordering level of packets in a TCP stream.
TCP stack can then dynamically adjust flow reordering level