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Diffstat (limited to 'Documentation/networking/mptcp-sysctl.rst')
-rw-r--r-- | Documentation/networking/mptcp-sysctl.rst | 41 |
1 files changed, 37 insertions, 4 deletions
diff --git a/Documentation/networking/mptcp-sysctl.rst b/Documentation/networking/mptcp-sysctl.rst index 6af0196c4297..b0d4da71e68e 100644 --- a/Documentation/networking/mptcp-sysctl.rst +++ b/Documentation/networking/mptcp-sysctl.rst @@ -7,13 +7,13 @@ MPTCP Sysfs variables /proc/sys/net/mptcp/* Variables =============================== -enabled - INTEGER +enabled - BOOLEAN Control whether MPTCP sockets can be created. - MPTCP sockets can be created if the value is nonzero. This is - a per-namespace sysctl. + MPTCP sockets can be created if the value is 1. This is a + per-namespace sysctl. - Default: 1 + Default: 1 (enabled) add_addr_timeout - INTEGER (seconds) Set the timeout after which an ADD_ADDR control message will be @@ -24,3 +24,36 @@ add_addr_timeout - INTEGER (seconds) sysctl. Default: 120 + +checksum_enabled - BOOLEAN + Control whether DSS checksum can be enabled. + + DSS checksum can be enabled if the value is nonzero. This is a + per-namespace sysctl. + + Default: 0 + +allow_join_initial_addr_port - BOOLEAN + Allow peers to send join requests to the IP address and port number used + by the initial subflow if the value is 1. This controls a flag that is + sent to the peer at connection time, and whether such join requests are + accepted or denied. + + Joins to addresses advertised with ADD_ADDR are not affected by this + value. + + This is a per-namespace sysctl. + + Default: 1 + +stale_loss_cnt - INTEGER + The number of MPTCP-level retransmission intervals with no traffic and + pending outstanding data on a given subflow required to declare it stale. + The packet scheduler ignores stale subflows. + A low stale_loss_cnt value allows for fast active-backup switch-over, + an high value maximize links utilization on edge scenarios e.g. lossy + link with high BER or peer pausing the data processing. + + This is a per-namespace sysctl. + + Default: 4 |