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Diffstat (limited to 'pkg/tcpip/link/pipe/pipe.go')
-rw-r--r--pkg/tcpip/link/pipe/pipe.go124
1 files changed, 0 insertions, 124 deletions
diff --git a/pkg/tcpip/link/pipe/pipe.go b/pkg/tcpip/link/pipe/pipe.go
deleted file mode 100644
index 76f563811..000000000
--- a/pkg/tcpip/link/pipe/pipe.go
+++ /dev/null
@@ -1,124 +0,0 @@
-// Copyright 2020 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 pipe provides the implementation of pipe-like data-link layer
-// endpoints. Such endpoints allow packets to be sent between two interfaces.
-package pipe
-
-import (
- "gvisor.dev/gvisor/pkg/tcpip"
- "gvisor.dev/gvisor/pkg/tcpip/buffer"
- "gvisor.dev/gvisor/pkg/tcpip/header"
- "gvisor.dev/gvisor/pkg/tcpip/stack"
-)
-
-var _ stack.LinkEndpoint = (*Endpoint)(nil)
-
-// New returns both ends of a new pipe.
-func New(linkAddr1, linkAddr2 tcpip.LinkAddress, capabilities stack.LinkEndpointCapabilities) (*Endpoint, *Endpoint) {
- ep1 := &Endpoint{
- linkAddr: linkAddr1,
- capabilities: capabilities,
- }
- ep2 := &Endpoint{
- linkAddr: linkAddr2,
- linked: ep1,
- capabilities: capabilities,
- }
- ep1.linked = ep2
- return ep1, ep2
-}
-
-// Endpoint is one end of a pipe.
-type Endpoint struct {
- capabilities stack.LinkEndpointCapabilities
- linkAddr tcpip.LinkAddress
- dispatcher stack.NetworkDispatcher
- linked *Endpoint
- onWritePacket func(*stack.PacketBuffer)
-}
-
-// WritePacket implements stack.LinkEndpoint.
-func (e *Endpoint) WritePacket(r *stack.Route, _ *stack.GSO, proto tcpip.NetworkProtocolNumber, pkt *stack.PacketBuffer) *tcpip.Error {
- if !e.linked.IsAttached() {
- return nil
- }
-
- // The pipe endpoint will accept all multicast/broadcast link traffic and only
- // unicast traffic destined to itself.
- if len(e.linked.linkAddr) != 0 &&
- r.RemoteLinkAddress != e.linked.linkAddr &&
- r.RemoteLinkAddress != header.EthernetBroadcastAddress &&
- !header.IsMulticastEthernetAddress(r.RemoteLinkAddress) {
- return nil
- }
-
- e.linked.dispatcher.DeliverNetworkPacket(e.linkAddr, r.RemoteLinkAddress, proto, stack.NewPacketBuffer(stack.PacketBufferOptions{
- Data: buffer.NewVectorisedView(pkt.Size(), pkt.Views()),
- }))
-
- return nil
-}
-
-// WritePackets implements stack.LinkEndpoint.
-func (*Endpoint) WritePackets(*stack.Route, *stack.GSO, stack.PacketBufferList, tcpip.NetworkProtocolNumber) (int, *tcpip.Error) {
- panic("not implemented")
-}
-
-// WriteRawPacket implements stack.LinkEndpoint.
-func (*Endpoint) WriteRawPacket(buffer.VectorisedView) *tcpip.Error {
- panic("not implemented")
-}
-
-// Attach implements stack.LinkEndpoint.
-func (e *Endpoint) Attach(dispatcher stack.NetworkDispatcher) {
- e.dispatcher = dispatcher
-}
-
-// IsAttached implements stack.LinkEndpoint.
-func (e *Endpoint) IsAttached() bool {
- return e.dispatcher != nil
-}
-
-// Wait implements stack.LinkEndpoint.
-func (*Endpoint) Wait() {}
-
-// MTU implements stack.LinkEndpoint.
-func (*Endpoint) MTU() uint32 {
- return header.IPv6MinimumMTU
-}
-
-// Capabilities implements stack.LinkEndpoint.
-func (e *Endpoint) Capabilities() stack.LinkEndpointCapabilities {
- return e.capabilities
-}
-
-// MaxHeaderLength implements stack.LinkEndpoint.
-func (*Endpoint) MaxHeaderLength() uint16 {
- return 0
-}
-
-// LinkAddress implements stack.LinkEndpoint.
-func (e *Endpoint) LinkAddress() tcpip.LinkAddress {
- return e.linkAddr
-}
-
-// ARPHardwareType implements stack.LinkEndpoint.
-func (*Endpoint) ARPHardwareType() header.ARPHardwareType {
- return header.ARPHardwareEther
-}
-
-// AddHeader implements stack.LinkEndpoint.
-func (*Endpoint) AddHeader(_, _ tcpip.LinkAddress, _ tcpip.NetworkProtocolNumber, _ *stack.PacketBuffer) {
-}