From 75130f7735c961e33db05246c63cb1c048507345 Mon Sep 17 00:00:00 2001
From: Neil Alexander <neilalexander@users.noreply.github.com>
Date: Tue, 23 Apr 2019 11:46:16 +0100
Subject: [PATCH] Fix TAP support again

---
 src/tuntap/tun.go        | 7 ++++---
 src/yggdrasil/session.go | 3 +--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/tuntap/tun.go b/src/tuntap/tun.go
index fed6563..01cafaa 100644
--- a/src/tuntap/tun.go
+++ b/src/tuntap/tun.go
@@ -236,7 +236,7 @@ func (tun *TunAdapter) connReader(conn *yggdrasil.Conn) error {
 			var dstAddr address.Address
 			if b[0]&0xf0 == 0x60 {
 				if len(b) < 40 {
-					//panic("Tried to sendb a packet shorter than an IPv6 header...")
+					//panic("Tried to send a packet shorter than an IPv6 header...")
 					util.PutBytes(b)
 					continue
 				}
@@ -301,8 +301,9 @@ func (tun *TunAdapter) connReader(conn *yggdrasil.Conn) error {
 					ethernet.NotTagged,   // VLAN tagging
 					proto,                // Ethertype
 					len(b))               // Payload length
-				copy(frame[tun_ETHER_HEADER_LENGTH:], b[:])
-				w, err = tun.iface.Write(b[:n])
+				copy(frame[tun_ETHER_HEADER_LENGTH:], b[:n])
+				n += tun_ETHER_HEADER_LENGTH
+				w, err = tun.iface.Write(frame[:n])
 			}
 		} else {
 			w, err = tun.iface.Write(b[:n])
diff --git a/src/yggdrasil/session.go b/src/yggdrasil/session.go
index 44c8387..bf35e8c 100644
--- a/src/yggdrasil/session.go
+++ b/src/yggdrasil/session.go
@@ -8,7 +8,6 @@ import (
 	"bytes"
 	"encoding/hex"
 	"sync"
-	"sync/atomic"
 	"time"
 
 	"github.com/yggdrasil-network/yggdrasil-go/src/address"
@@ -78,7 +77,7 @@ type sessionPing struct {
 // Updates session info in response to a ping, after checking that the ping is OK.
 // Returns true if the session was updated, or false otherwise.
 func (s *sessionInfo) update(p *sessionPing) bool {
-	if !(p.Tstamp > atomic.LoadInt64(&s.tstamp)) {
+	if !(p.Tstamp > s.tstamp) {
 		// To protect against replay attacks
 		return false
 	}