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authorGuillaume Nault <gnault@redhat.com>2022-07-27 13:18:21 +0200
committerDavid S. Miller <davem@davemloft.net>2022-07-29 13:10:21 +0200
commit1c7249e4af8e1aea1c47739ec9dc63cc828b5d08 (patch)
tree94f7b29e0deb5479d39e370d6158c3b04d9aa488 /Documentation/networking/ip-sysctl.rst
parentnet/af_packet: check len when min_header_len equals to 0 (diff)
downloadlinux-1c7249e4af8e1aea1c47739ec9dc63cc828b5d08.tar.xz
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Documentation: Describe net.ipv4.tcp_reflect_tos.
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>
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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