From fbcd995ec1d2d3705c7665192341d05e35d21917 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Sat, 25 May 2019 18:10:52 +0200
Subject: device: darwin actually doesn't need bound interfaces

---
 device/boundif_darwin.go | 44 --------------------------------------------
 1 file changed, 44 deletions(-)
 delete mode 100644 device/boundif_darwin.go

diff --git a/device/boundif_darwin.go b/device/boundif_darwin.go
deleted file mode 100644
index a93441c..0000000
--- a/device/boundif_darwin.go
+++ /dev/null
@@ -1,44 +0,0 @@
-/* SPDX-License-Identifier: MIT
- *
- * Copyright (C) 2017-2019 WireGuard LLC. All Rights Reserved.
- */
-
-package device
-
-import (
-	"golang.org/x/sys/unix"
-)
-
-func (device *Device) BindSocketToInterface4(interfaceIndex uint32) error {
-	sysconn, err := device.net.bind.(*nativeBind).ipv4.SyscallConn()
-	if err != nil {
-		return nil
-	}
-	err2 := sysconn.Control(func(fd uintptr) {
-		err = unix.SetsockoptInt(int(fd), unix.IPPROTO_IP, unix.IP_BOUND_IF, int(interfaceIndex))
-	})
-	if err2 != nil {
-		return err2
-	}
-	if err != nil {
-		return err
-	}
-	return nil
-}
-
-func (device *Device) BindSocketToInterface6(interfaceIndex uint32) error {
-	sysconn, err := device.net.bind.(*nativeBind).ipv4.SyscallConn()
-	if err != nil {
-		return nil
-	}
-	err2 := sysconn.Control(func(fd uintptr) {
-		err = unix.SetsockoptInt(int(fd), unix.IPPROTO_IPV6, unix.IPV6_BOUND_IF, int(interfaceIndex))
-	})
-	if err2 != nil {
-		return err2
-	}
-	if err != nil {
-		return err
-	}
-	return nil
-}
-- 
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