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Diffstat (limited to 'pkg/tcpip/stack/nic_test.go')
-rw-r--r--pkg/tcpip/stack/nic_test.go261
1 files changed, 0 insertions, 261 deletions
diff --git a/pkg/tcpip/stack/nic_test.go b/pkg/tcpip/stack/nic_test.go
deleted file mode 100644
index 88ca9b076..000000000
--- a/pkg/tcpip/stack/nic_test.go
+++ /dev/null
@@ -1,261 +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 stack
-
-import (
- "reflect"
- "testing"
-
- "gvisor.dev/gvisor/pkg/tcpip"
- "gvisor.dev/gvisor/pkg/tcpip/buffer"
- "gvisor.dev/gvisor/pkg/tcpip/header"
- "gvisor.dev/gvisor/pkg/tcpip/testutil"
-)
-
-var _ AddressableEndpoint = (*testIPv6Endpoint)(nil)
-var _ NetworkEndpoint = (*testIPv6Endpoint)(nil)
-var _ NDPEndpoint = (*testIPv6Endpoint)(nil)
-
-// An IPv6 NetworkEndpoint that throws away outgoing packets.
-//
-// We use this instead of ipv6.endpoint because the ipv6 package depends on
-// the stack package which this test lives in, causing a cyclic dependency.
-type testIPv6Endpoint struct {
- AddressableEndpointState
-
- nic NetworkInterface
- protocol *testIPv6Protocol
-
- invalidatedRtr tcpip.Address
-}
-
-func (*testIPv6Endpoint) Enable() tcpip.Error {
- return nil
-}
-
-func (*testIPv6Endpoint) Enabled() bool {
- return true
-}
-
-func (*testIPv6Endpoint) Disable() {}
-
-// DefaultTTL implements NetworkEndpoint.DefaultTTL.
-func (*testIPv6Endpoint) DefaultTTL() uint8 {
- return 0
-}
-
-// MTU implements NetworkEndpoint.MTU.
-func (e *testIPv6Endpoint) MTU() uint32 {
- return e.nic.MTU() - header.IPv6MinimumSize
-}
-
-// MaxHeaderLength implements NetworkEndpoint.MaxHeaderLength.
-func (e *testIPv6Endpoint) MaxHeaderLength() uint16 {
- return e.nic.MaxHeaderLength() + header.IPv6MinimumSize
-}
-
-// WritePacket implements NetworkEndpoint.WritePacket.
-func (*testIPv6Endpoint) WritePacket(*Route, NetworkHeaderParams, *PacketBuffer) tcpip.Error {
- return nil
-}
-
-// WritePackets implements NetworkEndpoint.WritePackets.
-func (*testIPv6Endpoint) WritePackets(*Route, PacketBufferList, NetworkHeaderParams) (int, tcpip.Error) {
- // Our tests don't use this so we don't support it.
- return 0, &tcpip.ErrNotSupported{}
-}
-
-// WriteHeaderIncludedPacket implements
-// NetworkEndpoint.WriteHeaderIncludedPacket.
-func (*testIPv6Endpoint) WriteHeaderIncludedPacket(*Route, *PacketBuffer) tcpip.Error {
- // Our tests don't use this so we don't support it.
- return &tcpip.ErrNotSupported{}
-}
-
-// HandlePacket implements NetworkEndpoint.HandlePacket.
-func (*testIPv6Endpoint) HandlePacket(*PacketBuffer) {}
-
-// Close implements NetworkEndpoint.Close.
-func (e *testIPv6Endpoint) Close() {
- e.AddressableEndpointState.Cleanup()
-}
-
-// NetworkProtocolNumber implements NetworkEndpoint.NetworkProtocolNumber.
-func (*testIPv6Endpoint) NetworkProtocolNumber() tcpip.NetworkProtocolNumber {
- return header.IPv6ProtocolNumber
-}
-
-func (e *testIPv6Endpoint) InvalidateDefaultRouter(rtr tcpip.Address) {
- e.invalidatedRtr = rtr
-}
-
-// Stats implements NetworkEndpoint.
-func (*testIPv6Endpoint) Stats() NetworkEndpointStats {
- return &testIPv6EndpointStats{}
-}
-
-var _ NetworkEndpointStats = (*testIPv6EndpointStats)(nil)
-
-type testIPv6EndpointStats struct{}
-
-// IsNetworkEndpointStats implements stack.NetworkEndpointStats.
-func (*testIPv6EndpointStats) IsNetworkEndpointStats() {}
-
-// We use this instead of ipv6.protocol because the ipv6 package depends on
-// the stack package which this test lives in, causing a cyclic dependency.
-type testIPv6Protocol struct{}
-
-// Number implements NetworkProtocol.Number.
-func (*testIPv6Protocol) Number() tcpip.NetworkProtocolNumber {
- return header.IPv6ProtocolNumber
-}
-
-// MinimumPacketSize implements NetworkProtocol.MinimumPacketSize.
-func (*testIPv6Protocol) MinimumPacketSize() int {
- return header.IPv6MinimumSize
-}
-
-// ParseAddresses implements NetworkProtocol.ParseAddresses.
-func (*testIPv6Protocol) ParseAddresses(v buffer.View) (src, dst tcpip.Address) {
- h := header.IPv6(v)
- return h.SourceAddress(), h.DestinationAddress()
-}
-
-// NewEndpoint implements NetworkProtocol.NewEndpoint.
-func (p *testIPv6Protocol) NewEndpoint(nic NetworkInterface, _ TransportDispatcher) NetworkEndpoint {
- e := &testIPv6Endpoint{
- nic: nic,
- protocol: p,
- }
- e.AddressableEndpointState.Init(e)
- return e
-}
-
-// SetOption implements NetworkProtocol.SetOption.
-func (*testIPv6Protocol) SetOption(tcpip.SettableNetworkProtocolOption) tcpip.Error {
- return nil
-}
-
-// Option implements NetworkProtocol.Option.
-func (*testIPv6Protocol) Option(tcpip.GettableNetworkProtocolOption) tcpip.Error {
- return nil
-}
-
-// Close implements NetworkProtocol.Close.
-func (*testIPv6Protocol) Close() {}
-
-// Wait implements NetworkProtocol.Wait.
-func (*testIPv6Protocol) Wait() {}
-
-// Parse implements NetworkProtocol.Parse.
-func (*testIPv6Protocol) Parse(*PacketBuffer) (tcpip.TransportProtocolNumber, bool, bool) {
- return 0, false, false
-}
-
-func TestDisabledRxStatsWhenNICDisabled(t *testing.T) {
- // When the NIC is disabled, the only field that matters is the stats field.
- // This test is limited to stats counter checks.
- nic := nic{
- stats: makeNICStats(tcpip.NICStats{}.FillIn()),
- }
-
- if got := nic.stats.local.DisabledRx.Packets.Value(); got != 0 {
- t.Errorf("got DisabledRx.Packets = %d, want = 0", got)
- }
- if got := nic.stats.local.DisabledRx.Bytes.Value(); got != 0 {
- t.Errorf("got DisabledRx.Bytes = %d, want = 0", got)
- }
- if got := nic.stats.local.Rx.Packets.Value(); got != 0 {
- t.Errorf("got Rx.Packets = %d, want = 0", got)
- }
- if got := nic.stats.local.Rx.Bytes.Value(); got != 0 {
- t.Errorf("got Rx.Bytes = %d, want = 0", got)
- }
-
- if t.Failed() {
- t.FailNow()
- }
-
- nic.DeliverNetworkPacket("", "", 0, NewPacketBuffer(PacketBufferOptions{
- Data: buffer.View([]byte{1, 2, 3, 4}).ToVectorisedView(),
- }))
-
- if got := nic.stats.local.DisabledRx.Packets.Value(); got != 1 {
- t.Errorf("got DisabledRx.Packets = %d, want = 1", got)
- }
- if got := nic.stats.local.DisabledRx.Bytes.Value(); got != 4 {
- t.Errorf("got DisabledRx.Bytes = %d, want = 4", got)
- }
- if got := nic.stats.local.Rx.Packets.Value(); got != 0 {
- t.Errorf("got Rx.Packets = %d, want = 0", got)
- }
- if got := nic.stats.local.Rx.Bytes.Value(); got != 0 {
- t.Errorf("got Rx.Bytes = %d, want = 0", got)
- }
-}
-
-func TestPacketWithUnknownNetworkProtocolNumber(t *testing.T) {
- nic := nic{
- stats: makeNICStats(tcpip.NICStats{}.FillIn()),
- enabled: 1,
- }
- // IPv4 isn't recognized since we haven't initialized the NIC with an IPv4
- // endpoint.
- nic.DeliverNetworkPacket("", "", header.IPv4ProtocolNumber, NewPacketBuffer(PacketBufferOptions{
- Data: buffer.View([]byte{1, 2, 3, 4}).ToVectorisedView(),
- }))
- var count uint64
- if got, ok := nic.stats.local.UnknownL3ProtocolRcvdPacketCounts.Get(uint64(header.IPv4ProtocolNumber)); ok {
- count = got.Value()
- }
- if count != 1 {
- t.Errorf("got UnknownL3ProtocolRcvdPacketCounts[header.IPv4ProtocolNumber] = %d, want = 1", count)
- }
-}
-
-func TestPacketWithUnknownTransportProtocolNumber(t *testing.T) {
- nic := nic{
- stack: &Stack{},
- stats: makeNICStats(tcpip.NICStats{}.FillIn()),
- enabled: 1,
- }
- // UDP isn't recognized since we haven't initialized the NIC with a UDP
- // protocol.
- nic.DeliverTransportPacket(header.UDPProtocolNumber, NewPacketBuffer(PacketBufferOptions{
- Data: buffer.View([]byte{1, 2, 3, 4}).ToVectorisedView(),
- }))
- var count uint64
- if got, ok := nic.stats.local.UnknownL4ProtocolRcvdPacketCounts.Get(uint64(header.UDPProtocolNumber)); ok {
- count = got.Value()
- }
- if count != 1 {
- t.Errorf("got UnknownL4ProtocolRcvdPacketCounts[header.UDPProtocolNumber] = %d, want = 1", count)
- }
-}
-
-func TestMultiCounterStatsInitialization(t *testing.T) {
- global := tcpip.NICStats{}.FillIn()
- nic := nic{
- stats: makeNICStats(global),
- }
- multi := nic.stats.multiCounterNICStats
- local := nic.stats.local
- if err := testutil.ValidateMultiCounterStats(reflect.ValueOf(&multi).Elem(), []reflect.Value{reflect.ValueOf(&local).Elem(), reflect.ValueOf(&global).Elem()}, testutil.ValidateMultiCounterStatsOptions{
- ExpectMultiCounterStat: true,
- ExpectMultiIntegralStatCounterMap: true,
- }); err != nil {
- t.Error(err)
- }
-}