From 68f0721c6a1aea6bb97320ec0cf6b8f7f723603d Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Sun, 3 Mar 2019 05:20:13 +0100
Subject: tun: import mobile particularities

---
 device/queueconstants.go         | 16 ----------------
 device/queueconstants_android.go | 16 ++++++++++++++++
 device/queueconstants_default.go | 16 ++++++++++++++++
 device/queueconstants_ios.go     | 18 ++++++++++++++++++
 4 files changed, 50 insertions(+), 16 deletions(-)
 delete mode 100644 device/queueconstants.go
 create mode 100644 device/queueconstants_android.go
 create mode 100644 device/queueconstants_default.go
 create mode 100644 device/queueconstants_ios.go

(limited to 'device')

diff --git a/device/queueconstants.go b/device/queueconstants.go
deleted file mode 100644
index 3e94b7f..0000000
--- a/device/queueconstants.go
+++ /dev/null
@@ -1,16 +0,0 @@
-/* SPDX-License-Identifier: MIT
- *
- * Copyright (C) 2017-2019 WireGuard LLC. All Rights Reserved.
- */
-
-package device
-
-/* Implementation specific constants */
-
-const (
-	QueueOutboundSize          = 1024
-	QueueInboundSize           = 1024
-	QueueHandshakeSize         = 1024
-	MaxSegmentSize             = (1 << 16) - 1 // largest possible UDP datagram
-	PreallocatedBuffersPerPool = 0             // Disable and allow for infinite memory growth
-)
diff --git a/device/queueconstants_android.go b/device/queueconstants_android.go
new file mode 100644
index 0000000..8d051ad
--- /dev/null
+++ b/device/queueconstants_android.go
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright (C) 2017-2019 WireGuard LLC. All Rights Reserved.
+ */
+
+package device
+
+/* Reduce memory consumption for Android */
+
+const (
+	QueueOutboundSize          = 1024
+	QueueInboundSize           = 1024
+	QueueHandshakeSize         = 1024
+	MaxSegmentSize             = 2200
+	PreallocatedBuffersPerPool = 4096
+)
\ No newline at end of file
diff --git a/device/queueconstants_default.go b/device/queueconstants_default.go
new file mode 100644
index 0000000..cf86ba1
--- /dev/null
+++ b/device/queueconstants_default.go
@@ -0,0 +1,16 @@
+// +build !android,!ios
+
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright (C) 2017-2019 WireGuard LLC. All Rights Reserved.
+ */
+
+package device
+
+const (
+	QueueOutboundSize          = 1024
+	QueueInboundSize           = 1024
+	QueueHandshakeSize         = 1024
+	MaxSegmentSize             = (1 << 16) - 1 // largest possible UDP datagram
+	PreallocatedBuffersPerPool = 0             // Disable and allow for infinite memory growth
+)
diff --git a/device/queueconstants_ios.go b/device/queueconstants_ios.go
new file mode 100644
index 0000000..589b0aa
--- /dev/null
+++ b/device/queueconstants_ios.go
@@ -0,0 +1,18 @@
+// +build ios
+
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright (C) 2017-2019 WireGuard LLC. All Rights Reserved.
+ */
+
+package device
+
+/* Fit within memory limits for iOS's Network Extension API, which has stricter requirements */
+
+const (
+	QueueOutboundSize          = 1024
+	QueueInboundSize           = 1024
+	QueueHandshakeSize         = 1024
+	MaxSegmentSize             = 1700
+	PreallocatedBuffersPerPool = 1024
+)
-- 
cgit v1.2.3