cosmetic: move a bunch of error types to where they belong

router/crypto.go

@@ -269,6 +269,11 @@ type NaClDecryptorInstance struct {
 	nonceChan           chan *[24]byte
 }
 
+type PacketDecodingError struct {
+	Fatal bool
+	Desc  string
+}
+
 func NewNonDecryptor(conn *LocalConnection) *NonDecryptor {
 	return &NonDecryptor{conn: conn}
 }

router/forwarder.go

@@ -7,6 +7,10 @@ import (
 	"time"
 )
 
+type FrameTooBigError struct {
+	EPMTU int // effective pmtu, i.e. what we tell packet senders
+}
+
 func (conn *LocalConnection) ensureForwarders() error {
 	if conn.forwardChan != nil || conn.forwardChanDF != nil {
 		return nil

router/peers.go

@@ -16,6 +16,13 @@ type Peers struct {
 	onGC    func(*Peer)
 }
 
+type UnknownPeersError struct {
+}
+
+type NameCollisionError struct {
+	Name PeerName
+}
+
 func NewPeers(ourself *Peer, macs *MacCache, onGC func(*Peer)) *Peers {
 	return &Peers{
 		ourself: ourself,

router/types.go

@@ -10,26 +10,6 @@ type UDPPacket struct {
 	Sender *net.UDPAddr
 }
 
-type MsgTooBigError struct {
-	PMTU int // actual pmtu, i.e. what the kernel told us
-}
-
-type FrameTooBigError struct {
-	EPMTU int // effective pmtu, i.e. what we tell packet senders
-}
-
-type UnknownPeersError struct {
-}
-
-type NameCollisionError struct {
-	Name PeerName
-}
-
-type PacketDecodingError struct {
-	Fatal bool
-	Desc  string
-}
-
 type LocalAddress struct {
 	ip      net.IP
 	network *net.IPNet

router/udp_sender.go

@@ -26,6 +26,10 @@ type RawUDPSender struct {
 	conn      *LocalConnection
 }
 
+type MsgTooBigError struct {
+	PMTU int // actual pmtu, i.e. what the kernel told us
+}
+
 func NewSimpleUDPSender(conn *LocalConnection) *SimpleUDPSender {
 	return &SimpleUDPSender{udpConn: conn.Router.UDPListener, conn: conn}
 }