commit f908576c604e812c70e4b4ef8d12b5ebd55f3166 Author: Cecylia Bocovich cohosh@torproject.org Date: Wed Dec 16 10:19:28 2020 -0500

Increase the KCP maximum window size --- client/lib/snowflake.go | 3 +++ server/server.go | 3 +++ 2 files changed, 6 insertions(+)

diff --git a/client/lib/snowflake.go b/client/lib/snowflake.go index 10a2c0d..2ed51a1 100644 --- a/client/lib/snowflake.go +++ b/client/lib/snowflake.go @@ -69,6 +69,9 @@ func newSession(snowflakes SnowflakeCollector) (net.PacketConn, *smux.Session, e } // Permit coalescing the payloads of consecutive sends. conn.SetStreamMode(true) + // Set the maximum send and receive window sizes to a high number + // Removes KCP bottlenecks: https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... + conn.SetWindowSize(65535, 65535) // Disable the dynamic congestion window (limit only by the // maximum of local and remote static windows). conn.SetNoDelay( diff --git a/server/server.go b/server/server.go index 1a53de7..3b263d0 100644 --- a/server/server.go +++ b/server/server.go @@ -338,6 +338,9 @@ func acceptSessions(ln *kcp.Listener) error { } // Permit coalescing the payloads of consecutive sends. conn.SetStreamMode(true) + // Set the maximum send and receive window sizes to a high number + // Removes KCP bottlenecks: https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowf... + conn.SetWindowSize(65535, 65535) // Disable the dynamic congestion window (limit only by the // maximum of local and remote static windows). conn.SetNoDelay(