From 69f0fe67b63d90e523a5a1241fb1b46c2e8dbe03 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Sun, 3 Mar 2019 04:04:41 +0100
Subject: global: begin modularization

---
 device/ip.go | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 device/ip.go

(limited to 'device/ip.go')

diff --git a/device/ip.go b/device/ip.go
new file mode 100644
index 0000000..9d4fb74
--- /dev/null
+++ b/device/ip.go
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright (C) 2017-2019 WireGuard LLC. All Rights Reserved.
+ */
+
+package device
+
+import (
+	"net"
+)
+
+const (
+	IPv4offsetTotalLength = 2
+	IPv4offsetSrc         = 12
+	IPv4offsetDst         = IPv4offsetSrc + net.IPv4len
+)
+
+const (
+	IPv6offsetPayloadLength = 4
+	IPv6offsetSrc           = 8
+	IPv6offsetDst           = IPv6offsetSrc + net.IPv6len
+)
-- 
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