From c967f15e443a5953429000e50fad2e117992b72d Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Tue, 11 Dec 2018 18:21:11 +0100
Subject: Separate out mark setting for Windows

---
 conn_default.go | 46 ----------------------------------------------
 1 file changed, 46 deletions(-)

(limited to 'conn_default.go')

diff --git a/conn_default.go b/conn_default.go
index 9b2325c..862032d 100644
--- a/conn_default.go
+++ b/conn_default.go
@@ -8,10 +8,8 @@
 package main
 
 import (
-	"golang.org/x/sys/unix"
 	"net"
 	"os"
-	"runtime"
 	"syscall"
 )
 
@@ -171,47 +169,3 @@ func (bind *NativeBind) Send(buff []byte, endpoint Endpoint) error {
 	}
 	return err
 }
-
-var fwmarkIoctl int
-
-func init() {
-	switch runtime.GOOS {
-	case "linux", "android":
-		fwmarkIoctl = 36 /* unix.SO_MARK */
-	case "freebsd":
-		fwmarkIoctl = 0x1015 /* unix.SO_USER_COOKIE */
-	case "openbsd":
-		fwmarkIoctl = 0x1021 /* unix.SO_RTABLE */
-	}
-}
-
-func (bind *NativeBind) SetMark(mark uint32) error {
-	if fwmarkIoctl == 0 {
-		return nil
-	}
-	if bind.ipv4 != nil {
-		fd, err := bind.ipv4.SyscallConn()
-		if err != nil {
-			return err
-		}
-		err = fd.Control(func(fd uintptr) {
-			err = unix.SetsockoptInt(int(fd), unix.SOL_SOCKET, fwmarkIoctl, int(mark))
-		})
-		if err != nil {
-			return err
-		}
-	}
-	if bind.ipv6 != nil {
-		fd, err := bind.ipv6.SyscallConn()
-		if err != nil {
-			return err
-		}
-		err = fd.Control(func(fd uintptr) {
-			err = unix.SetsockoptInt(int(fd), unix.SOL_SOCKET, fwmarkIoctl, int(mark))
-		})
-		if err != nil {
-			return err
-		}
-	}
-	return nil
-}
-- 
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