ConnectivityService: add support to set TCP initial rwnd
The value for the TCP initial receive window comes from,
in order,
kernel
/proc/sys/net/ipv4/tcp_default_init_rwnd
init.rc (via properties)
net.tcp.default_init_rwnd
properties
net.tcp.default_init_rwnd
gservices
Settings.Global.TCP_DEFAULT_INIT_RWND
Bug: 12020135
Change-Id: I0e271be19472900fa9f3bab037d53383ec014a9e
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index 76ada09..18018e2 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -5254,6 +5254,12 @@
public static final String SMS_SHORT_CODE_RULE = "sms_short_code_rule";
/**
+ * Used to select TCP's default initial receiver window size in segments - defaults to a build config value
+ * @hide
+ */
+ public static final String TCP_DEFAULT_INIT_RWND = "tcp_default_init_rwnd";
+
+ /**
* Used to disable Tethering on a device - defaults to true
* @hide
*/