1 files changed, 0 insertions, 135 deletions
diff --git a/pkg/tcpip/link/channel/channel.go b/pkg/tcpip/link/channel/channel.go
deleted file mode 100644
index eec430d0a..000000000
--- a/pkg/tcpip/link/channel/channel.go
+++ /dev/null
@@ -1,135 +0,0 @@
-// Copyright 2018 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Package channel provides the implemention of channel-based data-link layer
-// endpoints. Such endpoints allow injection of inbound packets and store
-// outbound packets in a channel.
-package channel
-
-import (
-	"gvisor.dev/gvisor/pkg/tcpip"
-	"gvisor.dev/gvisor/pkg/tcpip/buffer"
-	"gvisor.dev/gvisor/pkg/tcpip/stack"
-)
-
-// PacketInfo holds all the information about an outbound packet.
-type PacketInfo struct {
-	Header  buffer.View
-	Payload buffer.View
-	Proto   tcpip.NetworkProtocolNumber
-	GSO     *stack.GSO
-}
-
-// Endpoint is link layer endpoint that stores outbound packets in a channel
-// and allows injection of inbound packets.
-type Endpoint struct {
-	dispatcher stack.NetworkDispatcher
-	mtu        uint32
-	linkAddr   tcpip.LinkAddress
-	GSO        bool
-
-	// C is where outbound packets are queued.
-	C chan PacketInfo
-}
-
-// New creates a new channel endpoint.
-func New(size int, mtu uint32, linkAddr tcpip.LinkAddress) *Endpoint {
-	return &Endpoint{
-		C:        make(chan PacketInfo, size),
-		mtu:      mtu,
-		linkAddr: linkAddr,
-	}
-}
-
-// Drain removes all outbound packets from the channel and counts them.
-func (e *Endpoint) Drain() int {
-	c := 0
-	for {
-		select {
-		case <-e.C:
-			c++
-		default:
-			return c
-		}
-	}
-}
-
-// Inject injects an inbound packet.
-func (e *Endpoint) Inject(protocol tcpip.NetworkProtocolNumber, vv buffer.VectorisedView) {
-	e.InjectLinkAddr(protocol, "", vv)
-}
-
-// InjectLinkAddr injects an inbound packet with a remote link address.
-func (e *Endpoint) InjectLinkAddr(protocol tcpip.NetworkProtocolNumber, remote tcpip.LinkAddress, vv buffer.VectorisedView) {
-	e.dispatcher.DeliverNetworkPacket(e, remote, "" /* local */, protocol, vv.Clone(nil))
-}
-
-// Attach saves the stack network-layer dispatcher for use later when packets
-// are injected.
-func (e *Endpoint) Attach(dispatcher stack.NetworkDispatcher) {
-	e.dispatcher = dispatcher
-}
-
-// IsAttached implements stack.LinkEndpoint.IsAttached.
-func (e *Endpoint) IsAttached() bool {
-	return e.dispatcher != nil
-}
-
-// MTU implements stack.LinkEndpoint.MTU. It returns the value initialized
-// during construction.
-func (e *Endpoint) MTU() uint32 {
-	return e.mtu
-}
-
-// Capabilities implements stack.LinkEndpoint.Capabilities.
-func (e *Endpoint) Capabilities() stack.LinkEndpointCapabilities {
-	caps := stack.LinkEndpointCapabilities(0)
-	if e.GSO {
-		caps |= stack.CapabilityGSO
-	}
-	return caps
-}
-
-// GSOMaxSize returns the maximum GSO packet size.
-func (*Endpoint) GSOMaxSize() uint32 {
-	return 1 << 15
-}
-
-// MaxHeaderLength returns the maximum size of the link layer header. Given it
-// doesn't have a header, it just returns 0.
-func (*Endpoint) MaxHeaderLength() uint16 {
-	return 0
-}
-
-// LinkAddress returns the link address of this endpoint.
-func (e *Endpoint) LinkAddress() tcpip.LinkAddress {
-	return e.linkAddr
-}
-
-// WritePacket stores outbound packets into the channel.
-func (e *Endpoint) WritePacket(_ *stack.Route, gso *stack.GSO, hdr buffer.Prependable, payload buffer.VectorisedView, protocol tcpip.NetworkProtocolNumber) *tcpip.Error {
-	p := PacketInfo{
-		Header:  hdr.View(),
-		Proto:   protocol,
-		Payload: payload.ToView(),
-		GSO:     gso,
-	}
-
-	select {
-	case e.C <- p:
-	default:
-	}
-
-	return nil
-}