From b877da7c69d07e0b0fa94a589709cd995511146f Mon Sep 17 00:00:00 2001
From: Kai Shi <kaishi@google.com>
Date: Tue, 25 Jan 2022 11:58:30 -0800
Subject: [PATCH] Increase TCP wmem max size

Increase TCP wmem max size to allow high Tx throughput over wifi.

Bug: 213596972
Test: manual test to confirm TCP memory size is increased and wifi TCP throughput with default TCP window size can reach 700Mbps in HE80 mode.
Change-Id: I6058af03da756aaa63e89eddb674f5b054cecf33
---
 conf/init.gs101.rc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/conf/init.gs101.rc b/conf/init.gs101.rc
index 542c688b..7fb052a0 100644
--- a/conf/init.gs101.rc
+++ b/conf/init.gs101.rc
@@ -97,7 +97,7 @@ on init
     write /proc/sys/net/core/optmem_max 20480
     write /proc/sys/net/core/netdev_max_backlog 10000
     write /proc/sys/net/ipv4/tcp_rmem "2097152 4194304 8388608"
-    write /proc/sys/net/ipv4/tcp_wmem "262144 524288 1048576"
+    write /proc/sys/net/ipv4/tcp_wmem "262144 524288 8388608"
     write /proc/sys/net/ipv4/tcp_mem "44259 59012 88518"
     write /proc/sys/net/ipv4/udp_mem "88518 118025 177036"