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-rw-r--r--pkg/tcpip/network/ipv6/BUILD42
-rw-r--r--pkg/tcpip/network/ipv6/icmp_test.go362
-rwxr-xr-xpkg/tcpip/network/ipv6/ipv6_state_autogen.go4
-rw-r--r--pkg/tcpip/network/ipv6/ndp_test.go178
4 files changed, 4 insertions, 582 deletions
diff --git a/pkg/tcpip/network/ipv6/BUILD b/pkg/tcpip/network/ipv6/BUILD
deleted file mode 100644
index a471abbfb..000000000
--- a/pkg/tcpip/network/ipv6/BUILD
+++ /dev/null
@@ -1,42 +0,0 @@
-load("//tools/go_stateify:defs.bzl", "go_library")
-load("@io_bazel_rules_go//go:def.bzl", "go_test")
-
-package(licenses = ["notice"])
-
-go_library(
- name = "ipv6",
- srcs = [
- "icmp.go",
- "ipv6.go",
- ],
- importpath = "gvisor.dev/gvisor/pkg/tcpip/network/ipv6",
- visibility = [
- "//visibility:public",
- ],
- deps = [
- "//pkg/tcpip",
- "//pkg/tcpip/buffer",
- "//pkg/tcpip/header",
- "//pkg/tcpip/stack",
- ],
-)
-
-go_test(
- name = "ipv6_test",
- size = "small",
- srcs = [
- "icmp_test.go",
- "ndp_test.go",
- ],
- embed = [":ipv6"],
- deps = [
- "//pkg/tcpip",
- "//pkg/tcpip/buffer",
- "//pkg/tcpip/header",
- "//pkg/tcpip/link/channel",
- "//pkg/tcpip/link/sniffer",
- "//pkg/tcpip/stack",
- "//pkg/tcpip/transport/icmp",
- "//pkg/waiter",
- ],
-)
diff --git a/pkg/tcpip/network/ipv6/icmp_test.go b/pkg/tcpip/network/ipv6/icmp_test.go
deleted file mode 100644
index a6a1a5232..000000000
--- a/pkg/tcpip/network/ipv6/icmp_test.go
+++ /dev/null
@@ -1,362 +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 ipv6
-
-import (
- "fmt"
- "reflect"
- "strings"
- "testing"
-
- "gvisor.dev/gvisor/pkg/tcpip"
- "gvisor.dev/gvisor/pkg/tcpip/buffer"
- "gvisor.dev/gvisor/pkg/tcpip/header"
- "gvisor.dev/gvisor/pkg/tcpip/link/channel"
- "gvisor.dev/gvisor/pkg/tcpip/link/sniffer"
- "gvisor.dev/gvisor/pkg/tcpip/stack"
- "gvisor.dev/gvisor/pkg/tcpip/transport/icmp"
- "gvisor.dev/gvisor/pkg/waiter"
-)
-
-const (
- linkAddr0 = tcpip.LinkAddress("\x01\x02\x03\x04\x05\x06")
- linkAddr1 = tcpip.LinkAddress("\x0a\x0b\x0c\x0d\x0e\x0f")
-)
-
-var (
- lladdr0 = header.LinkLocalAddr(linkAddr0)
- lladdr1 = header.LinkLocalAddr(linkAddr1)
-)
-
-type stubLinkEndpoint struct {
- stack.LinkEndpoint
-}
-
-func (*stubLinkEndpoint) Capabilities() stack.LinkEndpointCapabilities {
- return 0
-}
-
-func (*stubLinkEndpoint) MaxHeaderLength() uint16 {
- return 0
-}
-
-func (*stubLinkEndpoint) LinkAddress() tcpip.LinkAddress {
- return ""
-}
-
-func (*stubLinkEndpoint) WritePacket(*stack.Route, *stack.GSO, buffer.Prependable, buffer.VectorisedView, tcpip.NetworkProtocolNumber) *tcpip.Error {
- return nil
-}
-
-func (*stubLinkEndpoint) Attach(stack.NetworkDispatcher) {}
-
-type stubDispatcher struct {
- stack.TransportDispatcher
-}
-
-func (*stubDispatcher) DeliverTransportPacket(*stack.Route, tcpip.TransportProtocolNumber, buffer.View, buffer.VectorisedView) {
-}
-
-type stubLinkAddressCache struct {
- stack.LinkAddressCache
-}
-
-func (*stubLinkAddressCache) CheckLocalAddress(tcpip.NICID, tcpip.NetworkProtocolNumber, tcpip.Address) tcpip.NICID {
- return 0
-}
-
-func (*stubLinkAddressCache) AddLinkAddress(tcpip.NICID, tcpip.Address, tcpip.LinkAddress) {
-}
-
-func TestICMPCounts(t *testing.T) {
- s := stack.New([]string{ProtocolName}, []string{icmp.ProtocolName6}, stack.Options{})
- {
- if err := s.CreateNIC(1, &stubLinkEndpoint{}); err != nil {
- t.Fatalf("CreateNIC(_) = %s", err)
- }
- if err := s.AddAddress(1, ProtocolNumber, lladdr0); err != nil {
- t.Fatalf("AddAddress(_, %d, %s) = %s", ProtocolNumber, lladdr0, err)
- }
- }
- {
- subnet, err := tcpip.NewSubnet(lladdr1, tcpip.AddressMask(strings.Repeat("\xff", len(lladdr1))))
- if err != nil {
- t.Fatal(err)
- }
- s.SetRouteTable(
- []tcpip.Route{{
- Destination: subnet,
- NIC: 1,
- }},
- )
- }
-
- netProto := s.NetworkProtocolInstance(ProtocolNumber)
- if netProto == nil {
- t.Fatalf("cannot find protocol instance for network protocol %d", ProtocolNumber)
- }
- ep, err := netProto.NewEndpoint(0, tcpip.AddressWithPrefix{lladdr1, netProto.DefaultPrefixLen()}, &stubLinkAddressCache{}, &stubDispatcher{}, nil)
- if err != nil {
- t.Fatalf("NewEndpoint(_) = _, %s, want = _, nil", err)
- }
-
- r, err := s.FindRoute(1, lladdr0, lladdr1, ProtocolNumber, false /* multicastLoop */)
- if err != nil {
- t.Fatalf("FindRoute(_) = _, %s, want = _, nil", err)
- }
- defer r.Release()
-
- types := []struct {
- typ header.ICMPv6Type
- size int
- }{
- {header.ICMPv6DstUnreachable, header.ICMPv6DstUnreachableMinimumSize},
- {header.ICMPv6PacketTooBig, header.ICMPv6PacketTooBigMinimumSize},
- {header.ICMPv6TimeExceeded, header.ICMPv6MinimumSize},
- {header.ICMPv6ParamProblem, header.ICMPv6MinimumSize},
- {header.ICMPv6EchoRequest, header.ICMPv6EchoMinimumSize},
- {header.ICMPv6EchoReply, header.ICMPv6EchoMinimumSize},
- {header.ICMPv6RouterSolicit, header.ICMPv6MinimumSize},
- {header.ICMPv6RouterAdvert, header.ICMPv6MinimumSize},
- {header.ICMPv6NeighborSolicit, header.ICMPv6NeighborSolicitMinimumSize},
- {header.ICMPv6NeighborAdvert, header.ICMPv6NeighborAdvertSize},
- {header.ICMPv6RedirectMsg, header.ICMPv6MinimumSize},
- }
-
- handleIPv6Payload := func(hdr buffer.Prependable) {
- payloadLength := hdr.UsedLength()
- ip := header.IPv6(hdr.Prepend(header.IPv6MinimumSize))
- ip.Encode(&header.IPv6Fields{
- PayloadLength: uint16(payloadLength),
- NextHeader: uint8(header.ICMPv6ProtocolNumber),
- HopLimit: r.DefaultTTL(),
- SrcAddr: r.LocalAddress,
- DstAddr: r.RemoteAddress,
- })
- ep.HandlePacket(&r, hdr.View().ToVectorisedView())
- }
-
- for _, typ := range types {
- hdr := buffer.NewPrependable(header.IPv6MinimumSize + typ.size)
- pkt := header.ICMPv6(hdr.Prepend(typ.size))
- pkt.SetType(typ.typ)
- pkt.SetChecksum(header.ICMPv6Checksum(pkt, r.LocalAddress, r.RemoteAddress, buffer.VectorisedView{}))
-
- handleIPv6Payload(hdr)
- }
-
- // Construct an empty ICMP packet so that
- // Stats().ICMP.ICMPv6ReceivedPacketStats.Invalid is incremented.
- handleIPv6Payload(buffer.NewPrependable(header.IPv6MinimumSize))
-
- icmpv6Stats := s.Stats().ICMP.V6PacketsReceived
- visitStats(reflect.ValueOf(&icmpv6Stats).Elem(), func(name string, s *tcpip.StatCounter) {
- if got, want := s.Value(), uint64(1); got != want {
- t.Errorf("got %s = %d, want = %d", name, got, want)
- }
- })
- if t.Failed() {
- t.Logf("stats:\n%+v", s.Stats())
- }
-}
-
-func visitStats(v reflect.Value, f func(string, *tcpip.StatCounter)) {
- t := v.Type()
- for i := 0; i < v.NumField(); i++ {
- v := v.Field(i)
- switch v.Kind() {
- case reflect.Ptr:
- f(t.Field(i).Name, v.Interface().(*tcpip.StatCounter))
- case reflect.Struct:
- visitStats(v, f)
- default:
- panic(fmt.Sprintf("unexpected type %s", v.Type()))
- }
- }
-}
-
-type testContext struct {
- s0 *stack.Stack
- s1 *stack.Stack
-
- linkEP0 *channel.Endpoint
- linkEP1 *channel.Endpoint
-}
-
-type endpointWithResolutionCapability struct {
- stack.LinkEndpoint
-}
-
-func (e endpointWithResolutionCapability) Capabilities() stack.LinkEndpointCapabilities {
- return e.LinkEndpoint.Capabilities() | stack.CapabilityResolutionRequired
-}
-
-func newTestContext(t *testing.T) *testContext {
- c := &testContext{
- s0: stack.New([]string{ProtocolName}, []string{icmp.ProtocolName6}, stack.Options{}),
- s1: stack.New([]string{ProtocolName}, []string{icmp.ProtocolName6}, stack.Options{}),
- }
-
- const defaultMTU = 65536
- c.linkEP0 = channel.New(256, defaultMTU, linkAddr0)
-
- wrappedEP0 := stack.LinkEndpoint(endpointWithResolutionCapability{LinkEndpoint: c.linkEP0})
- if testing.Verbose() {
- wrappedEP0 = sniffer.New(wrappedEP0)
- }
- if err := c.s0.CreateNIC(1, wrappedEP0); err != nil {
- t.Fatalf("CreateNIC s0: %v", err)
- }
- if err := c.s0.AddAddress(1, ProtocolNumber, lladdr0); err != nil {
- t.Fatalf("AddAddress lladdr0: %v", err)
- }
- if err := c.s0.AddAddress(1, ProtocolNumber, header.SolicitedNodeAddr(lladdr0)); err != nil {
- t.Fatalf("AddAddress sn lladdr0: %v", err)
- }
-
- c.linkEP1 = channel.New(256, defaultMTU, linkAddr1)
- wrappedEP1 := stack.LinkEndpoint(endpointWithResolutionCapability{LinkEndpoint: c.linkEP1})
- if err := c.s1.CreateNIC(1, wrappedEP1); err != nil {
- t.Fatalf("CreateNIC failed: %v", err)
- }
- if err := c.s1.AddAddress(1, ProtocolNumber, lladdr1); err != nil {
- t.Fatalf("AddAddress lladdr1: %v", err)
- }
- if err := c.s1.AddAddress(1, ProtocolNumber, header.SolicitedNodeAddr(lladdr1)); err != nil {
- t.Fatalf("AddAddress sn lladdr1: %v", err)
- }
-
- subnet0, err := tcpip.NewSubnet(lladdr1, tcpip.AddressMask(strings.Repeat("\xff", len(lladdr1))))
- if err != nil {
- t.Fatal(err)
- }
- c.s0.SetRouteTable(
- []tcpip.Route{{
- Destination: subnet0,
- NIC: 1,
- }},
- )
- subnet1, err := tcpip.NewSubnet(lladdr0, tcpip.AddressMask(strings.Repeat("\xff", len(lladdr0))))
- if err != nil {
- t.Fatal(err)
- }
- c.s1.SetRouteTable(
- []tcpip.Route{{
- Destination: subnet1,
- NIC: 1,
- }},
- )
-
- return c
-}
-
-func (c *testContext) cleanup() {
- close(c.linkEP0.C)
- close(c.linkEP1.C)
-}
-
-type routeArgs struct {
- src, dst *channel.Endpoint
- typ header.ICMPv6Type
-}
-
-func routeICMPv6Packet(t *testing.T, args routeArgs, fn func(*testing.T, header.ICMPv6)) {
- t.Helper()
-
- pkt := <-args.src.C
-
- {
- views := []buffer.View{pkt.Header, pkt.Payload}
- size := len(pkt.Header) + len(pkt.Payload)
- vv := buffer.NewVectorisedView(size, views)
- args.dst.InjectLinkAddr(pkt.Proto, args.dst.LinkAddress(), vv)
- }
-
- if pkt.Proto != ProtocolNumber {
- t.Errorf("unexpected protocol number %d", pkt.Proto)
- return
- }
- ipv6 := header.IPv6(pkt.Header)
- transProto := tcpip.TransportProtocolNumber(ipv6.NextHeader())
- if transProto != header.ICMPv6ProtocolNumber {
- t.Errorf("unexpected transport protocol number %d", transProto)
- return
- }
- icmpv6 := header.ICMPv6(ipv6.Payload())
- if got, want := icmpv6.Type(), args.typ; got != want {
- t.Errorf("got ICMPv6 type = %d, want = %d", got, want)
- return
- }
- if fn != nil {
- fn(t, icmpv6)
- }
-}
-
-func TestLinkResolution(t *testing.T) {
- c := newTestContext(t)
- defer c.cleanup()
-
- r, err := c.s0.FindRoute(1, lladdr0, lladdr1, ProtocolNumber, false /* multicastLoop */)
- if err != nil {
- t.Fatalf("FindRoute(_) = _, %s, want = _, nil", err)
- }
- defer r.Release()
-
- hdr := buffer.NewPrependable(int(r.MaxHeaderLength()) + header.IPv6MinimumSize + header.ICMPv6EchoMinimumSize)
- pkt := header.ICMPv6(hdr.Prepend(header.ICMPv6EchoMinimumSize))
- pkt.SetType(header.ICMPv6EchoRequest)
- pkt.SetChecksum(header.ICMPv6Checksum(pkt, r.LocalAddress, r.RemoteAddress, buffer.VectorisedView{}))
- payload := tcpip.SlicePayload(hdr.View())
-
- // We can't send our payload directly over the route because that
- // doesn't provoke NDP discovery.
- var wq waiter.Queue
- ep, err := c.s0.NewEndpoint(header.ICMPv6ProtocolNumber, ProtocolNumber, &wq)
- if err != nil {
- t.Fatalf("NewEndpoint(_) = _, %s, want = _, nil", err)
- }
-
- for {
- _, resCh, err := ep.Write(payload, tcpip.WriteOptions{To: &tcpip.FullAddress{NIC: 1, Addr: lladdr1}})
- if resCh != nil {
- if err != tcpip.ErrNoLinkAddress {
- t.Fatalf("ep.Write(_) = _, <non-nil>, %s, want = _, <non-nil>, tcpip.ErrNoLinkAddress", err)
- }
- for _, args := range []routeArgs{
- {src: c.linkEP0, dst: c.linkEP1, typ: header.ICMPv6NeighborSolicit},
- {src: c.linkEP1, dst: c.linkEP0, typ: header.ICMPv6NeighborAdvert},
- } {
- routeICMPv6Packet(t, args, func(t *testing.T, icmpv6 header.ICMPv6) {
- if got, want := tcpip.Address(icmpv6[8:][:16]), lladdr1; got != want {
- t.Errorf("%d: got target = %s, want = %s", icmpv6.Type(), got, want)
- }
- })
- }
- <-resCh
- continue
- }
- if err != nil {
- t.Fatalf("ep.Write(_) = _, _, %s", err)
- }
- break
- }
-
- for _, args := range []routeArgs{
- {src: c.linkEP0, dst: c.linkEP1, typ: header.ICMPv6EchoRequest},
- {src: c.linkEP1, dst: c.linkEP0, typ: header.ICMPv6EchoReply},
- } {
- routeICMPv6Packet(t, args, nil)
- }
-}
diff --git a/pkg/tcpip/network/ipv6/ipv6_state_autogen.go b/pkg/tcpip/network/ipv6/ipv6_state_autogen.go
new file mode 100755
index 000000000..53319e0c4
--- /dev/null
+++ b/pkg/tcpip/network/ipv6/ipv6_state_autogen.go
@@ -0,0 +1,4 @@
+// automatically generated by stateify.
+
+package ipv6
+
diff --git a/pkg/tcpip/network/ipv6/ndp_test.go b/pkg/tcpip/network/ipv6/ndp_test.go
deleted file mode 100644
index 571915d3f..000000000
--- a/pkg/tcpip/network/ipv6/ndp_test.go
+++ /dev/null
@@ -1,178 +0,0 @@
-// Copyright 2019 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 ipv6
-
-import (
- "strings"
- "testing"
-
- "gvisor.dev/gvisor/pkg/tcpip"
- "gvisor.dev/gvisor/pkg/tcpip/buffer"
- "gvisor.dev/gvisor/pkg/tcpip/header"
- "gvisor.dev/gvisor/pkg/tcpip/stack"
- "gvisor.dev/gvisor/pkg/tcpip/transport/icmp"
-)
-
-// setupStackAndEndpoint creates a stack with a single NIC with a link-local
-// address llladdr and an IPv6 endpoint to a remote with link-local address
-// rlladdr
-func setupStackAndEndpoint(t *testing.T, llladdr, rlladdr tcpip.Address) (*stack.Stack, stack.NetworkEndpoint) {
- t.Helper()
-
- s := stack.New([]string{ProtocolName}, []string{icmp.ProtocolName6}, stack.Options{})
-
- if err := s.CreateNIC(1, &stubLinkEndpoint{}); err != nil {
- t.Fatalf("CreateNIC(_) = %s", err)
- }
- if err := s.AddAddress(1, ProtocolNumber, llladdr); err != nil {
- t.Fatalf("AddAddress(_, %d, %s) = %s", ProtocolNumber, llladdr, err)
- }
-
- {
- subnet, err := tcpip.NewSubnet(rlladdr, tcpip.AddressMask(strings.Repeat("\xff", len(rlladdr))))
- if err != nil {
- t.Fatal(err)
- }
- s.SetRouteTable(
- []tcpip.Route{{
- Destination: subnet,
- NIC: 1,
- }},
- )
- }
-
- netProto := s.NetworkProtocolInstance(ProtocolNumber)
- if netProto == nil {
- t.Fatalf("cannot find protocol instance for network protocol %d", ProtocolNumber)
- }
-
- ep, err := netProto.NewEndpoint(0, tcpip.AddressWithPrefix{rlladdr, netProto.DefaultPrefixLen()}, &stubLinkAddressCache{}, &stubDispatcher{}, nil)
- if err != nil {
- t.Fatalf("NewEndpoint(_) = _, %s, want = _, nil", err)
- }
-
- return s, ep
-}
-
-// TestHopLimitValidation is a test that makes sure that NDP packets are only
-// received if their IP header's hop limit is set to 255.
-func TestHopLimitValidation(t *testing.T) {
- setup := func(t *testing.T) (*stack.Stack, stack.NetworkEndpoint, stack.Route) {
- t.Helper()
-
- // Create a stack with the assigned link-local address lladdr0
- // and an endpoint to lladdr1.
- s, ep := setupStackAndEndpoint(t, lladdr0, lladdr1)
-
- r, err := s.FindRoute(1, lladdr0, lladdr1, ProtocolNumber, false /* multicastLoop */)
- if err != nil {
- t.Fatalf("FindRoute(_) = _, %s, want = _, nil", err)
- }
-
- return s, ep, r
- }
-
- handleIPv6Payload := func(hdr buffer.Prependable, hopLimit uint8, ep stack.NetworkEndpoint, r *stack.Route) {
- payloadLength := hdr.UsedLength()
- ip := header.IPv6(hdr.Prepend(header.IPv6MinimumSize))
- ip.Encode(&header.IPv6Fields{
- PayloadLength: uint16(payloadLength),
- NextHeader: uint8(header.ICMPv6ProtocolNumber),
- HopLimit: hopLimit,
- SrcAddr: r.LocalAddress,
- DstAddr: r.RemoteAddress,
- })
- ep.HandlePacket(r, hdr.View().ToVectorisedView())
- }
-
- types := []struct {
- name string
- typ header.ICMPv6Type
- size int
- statCounter func(tcpip.ICMPv6ReceivedPacketStats) *tcpip.StatCounter
- }{
- {"RouterSolicit", header.ICMPv6RouterSolicit, header.ICMPv6MinimumSize, func(stats tcpip.ICMPv6ReceivedPacketStats) *tcpip.StatCounter {
- return stats.RouterSolicit
- }},
- {"RouterAdvert", header.ICMPv6RouterAdvert, header.ICMPv6MinimumSize, func(stats tcpip.ICMPv6ReceivedPacketStats) *tcpip.StatCounter {
- return stats.RouterAdvert
- }},
- {"NeighborSolicit", header.ICMPv6NeighborSolicit, header.ICMPv6NeighborSolicitMinimumSize, func(stats tcpip.ICMPv6ReceivedPacketStats) *tcpip.StatCounter {
- return stats.NeighborSolicit
- }},
- {"NeighborAdvert", header.ICMPv6NeighborAdvert, header.ICMPv6NeighborAdvertSize, func(stats tcpip.ICMPv6ReceivedPacketStats) *tcpip.StatCounter {
- return stats.NeighborAdvert
- }},
- {"RedirectMsg", header.ICMPv6RedirectMsg, header.ICMPv6MinimumSize, func(stats tcpip.ICMPv6ReceivedPacketStats) *tcpip.StatCounter {
- return stats.RedirectMsg
- }},
- }
-
- for _, typ := range types {
- t.Run(typ.name, func(t *testing.T) {
- s, ep, r := setup(t)
- defer r.Release()
-
- stats := s.Stats().ICMP.V6PacketsReceived
- invalid := stats.Invalid
- typStat := typ.statCounter(stats)
-
- hdr := buffer.NewPrependable(header.IPv6MinimumSize + typ.size)
- pkt := header.ICMPv6(hdr.Prepend(typ.size))
- pkt.SetType(typ.typ)
- pkt.SetChecksum(header.ICMPv6Checksum(pkt, r.LocalAddress, r.RemoteAddress, buffer.VectorisedView{}))
-
- // Invalid count should initially be 0.
- if got := invalid.Value(); got != 0 {
- t.Fatalf("got invalid = %d, want = 0", got)
- }
-
- // Should not have received any ICMPv6 packets with
- // type = typ.typ.
- if got := typStat.Value(); got != 0 {
- t.Fatalf("got %s = %d, want = 0", typ.name, got)
- }
-
- // Receive the NDP packet with an invalid hop limit
- // value.
- handleIPv6Payload(hdr, ndpHopLimit-1, ep, &r)
-
- // Invalid count should have increased.
- if got := invalid.Value(); got != 1 {
- t.Fatalf("got invalid = %d, want = 1", got)
- }
-
- // Rx count of NDP packet of type typ.typ should not
- // have increased.
- if got := typStat.Value(); got != 0 {
- t.Fatalf("got %s = %d, want = 0", typ.name, got)
- }
-
- // Receive the NDP packet with a valid hop limit value.
- handleIPv6Payload(hdr, ndpHopLimit, ep, &r)
-
- // Rx count of NDP packet of type typ.typ should have
- // increased.
- if got := typStat.Value(); got != 1 {
- t.Fatalf("got %s = %d, want = 1", typ.name, got)
- }
-
- // Invalid count should not have increased again.
- if got := invalid.Value(); got != 1 {
- t.Fatalf("got invalid = %d, want = 1", got)
- }
- })
- }
-}