From 289ea828294eb666fc8960a2273d14bd3d189fbc Mon Sep 17 00:00:00 2001
From: xjasonlyu <xjasonlyu@gmail.com>
Date: Sat, 2 Apr 2022 15:15:06 +0800
Subject: [PATCH] Feature(docker): add tcp options env

---
 Dockerfile           |  3 +++
 docker/entrypoint.sh | 12 ++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/Dockerfile b/Dockerfile
index 21321bb..6eded1a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,6 +22,9 @@ ENV PROXY=direct://
 ENV MTU=9000
 ENV RESTAPI=
 ENV UDP_TIMEOUT=
+ENV TCP_SNDBUF=
+ENV TCP_RCVBUF=
+ENV TCP_AUTO_TUNING=
 ENV EXTRA_COMMANDS=
 ENV TUN_INCLUDED_ROUTES=
 ENV TUN_EXCLUDED_ROUTES=
diff --git a/docker/entrypoint.sh b/docker/entrypoint.sh
index c177b76..b812680 100644
--- a/docker/entrypoint.sh
+++ b/docker/entrypoint.sh
@@ -69,6 +69,18 @@ run() {
     ARGS="$ARGS --udp-timeout $UDP_TIMEOUT"
   fi
 
+  if [ -n "$TCP_SNDBUF" ]; then
+    ARGS="$ARGS --tcp-sndbuf $TCP_SNDBUF"
+  fi
+
+  if [ -n "$TCP_RCVBUF" ]; then
+    ARGS="$ARGS --tcp-rcvbuf $TCP_RCVBUF"
+  fi
+
+  if [ "$TCP_AUTO_TUNING" -eq 1 ]; then
+    ARGS="$ARGS --tcp-auto-tuning"
+  fi
+
   exec tun2socks \
     --loglevel "$LOGLEVEL" \
     --fwmark "$FWMARK" \