From 0747b0f1c2f6d4a9b69f46fe8ce444ae8d7fd94a Mon Sep 17 00:00:00 2001
From: Michael Bestas <mkbestas@lineageos.org>
Date: Sun, 19 Nov 2017 00:47:59 +0200
Subject: [PATCH] land: Switch to config based tcp buffer sizes

* Update overlay values from init.qcom.rc values
* Remove init.qcom.rc deprecated properties
* Add entry for wifi TCP buffers

Change-Id: If5e4e60096a65119d2ec3a9a0abf24cfbca5b199
---
 .../base/core/res/res/values/config.xml         | 11 +++++++----
 rootdir/init.qcom.rc                            | 17 -----------------
 2 files changed, 7 insertions(+), 21 deletions(-)

diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index 1fc5cf0..9a55b52 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -277,18 +277,21 @@
          If no value is found for the rat-name in use, the system default will be applied.
     -->
     <string-array name="config_mobile_tcp_buffers">
-        <item>lte:2097152,4194304,8388608,262144,524288,1048576</item>
-        <item>lte_ca:2097152,4194304,8388608,4096,1048576,2097152</item>
-        <item>umts:4094,87380,1220608,4096,16384,1220608</item>
+        <item>umts:4094,87380,110208,4096,16384,110208</item>
         <item>hspa:4094,87380,1220608,4096,16384,1220608</item>
         <item>hsupa:4094,87380,1220608,4096,16384,1220608</item>
         <item>hsdpa:4094,87380,1220608,4096,16384,1220608</item>
         <item>hspap:4094,87380,1220608,4096,16384,1220608</item>
-        <item>edge:4093,26280,35040,4096,16384,35040</item>
+        <item>edge:4093,26280,35040,4096,16384,350406</item>
         <item>gprs:4092,8760,11680,4096,8760,11680</item>
         <item>evdo:4094,87380,524288,4096,16384,262144</item>
+        <item>lte:2097152,4194304,8388608,262144,524288,1048576</item>
     </string-array>
 
+    <!-- Configure ethernet tcp buffersizes in the form:
+         rmem_min,rmem_def,rmem_max,wmem_min,wmem_def,wmem_max -->
+    <string name="config_wifi_tcp_buffers">524288,2097152,4194304,262144,524288,1048576</string>
+
     <!-- Boolean indicating if current platform supports BLE peripheral mode -->
     <bool name="config_bluetooth_le_peripheral_mode_supported">true</bool>
 
diff --git a/rootdir/init.qcom.rc b/rootdir/init.qcom.rc
index 9c66fda..7b51c9d 100644
--- a/rootdir/init.qcom.rc
+++ b/rootdir/init.qcom.rc
@@ -94,29 +94,12 @@ on boot
     # Prevent permission denied error for telephony
     chmod 0644 /proc/cmdline
 
-    # Define TCP buffer sizes for various networks
-    # ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,
-    setprop net.tcp.buffersize.wifi    524288,2097152,4194304,262144,524288,1048576
-
     # enable camera read sensors data
     setprop persist.camera.gyro.disable 0
 
     # Remove SUID bit for iproute2 ip tool
     chmod 0755 /system/bin/ip
 
-    # Define TCP buffer sizes for various networks
-    # ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,
-    setprop net.tcp.buffersize.default 4096,87380,524288,4096,16384,110208
-    setprop net.tcp.buffersize.lte     2097152,4194304,8388608,262144,524288,1048576
-    setprop net.tcp.buffersize.umts    4094,87380,110208,4096,16384,110208
-    setprop net.tcp.buffersize.hspa    4094,87380,1220608,4096,16384,1220608
-    setprop net.tcp.buffersize.hsupa   4094,87380,1220608,4096,16384,1220608
-    setprop net.tcp.buffersize.hsdpa   4094,87380,1220608,4096,16384,1220608
-    setprop net.tcp.buffersize.hspap   4094,87380,1220608,4096,16384,1220608
-    setprop net.tcp.buffersize.edge    4093,26280,35040,4096,16384,35040
-    setprop net.tcp.buffersize.gprs    4092,8760,11680,4096,8760,11680
-    setprop net.tcp.buffersize.evdo    4094,87380,524288,4096,16384,262144
-
     setprop net.tcp.2g_init_rwnd 10
 
     # Assign TCP buffer thresholds to be ceiling value of technology maximums