summaryrefslogtreecommitdiffhomepage
path: root/pkg/tcpip/stack/ndp_test.go
diff options
context:
space:
mode:
Diffstat (limited to 'pkg/tcpip/stack/ndp_test.go')
-rw-r--r--pkg/tcpip/stack/ndp_test.go85
1 files changed, 55 insertions, 30 deletions
diff --git a/pkg/tcpip/stack/ndp_test.go b/pkg/tcpip/stack/ndp_test.go
index 1e575bdaf..e13509fbd 100644
--- a/pkg/tcpip/stack/ndp_test.go
+++ b/pkg/tcpip/stack/ndp_test.go
@@ -42,6 +42,7 @@ const (
linkAddr1 = tcpip.LinkAddress("\x02\x02\x03\x04\x05\x06")
linkAddr2 = tcpip.LinkAddress("\x02\x02\x03\x04\x05\x07")
linkAddr3 = tcpip.LinkAddress("\x02\x02\x03\x04\x05\x08")
+ linkAddr4 = tcpip.LinkAddress("\x02\x02\x03\x04\x05\x09")
defaultTimeout = 100 * time.Millisecond
defaultAsyncEventTimeout = time.Second
)
@@ -50,6 +51,7 @@ var (
llAddr1 = header.LinkLocalAddr(linkAddr1)
llAddr2 = header.LinkLocalAddr(linkAddr2)
llAddr3 = header.LinkLocalAddr(linkAddr3)
+ llAddr4 = header.LinkLocalAddr(linkAddr4)
dstAddr = tcpip.FullAddress{
Addr: "\x0a\x0b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01",
Port: 25,
@@ -2882,8 +2884,8 @@ func TestNDPRecursiveDNSServerDispatch(t *testing.T) {
}
// TestCleanupHostOnlyStateOnBecomingRouter tests that all discovered routers
-// and prefixes, and auto-generated addresses get invalidated when a NIC
-// becomes a router.
+// and prefixes, and non-linklocal auto-generated addresses are invalidated when
+// a NIC becomes a router.
func TestCleanupHostOnlyStateOnBecomingRouter(t *testing.T) {
t.Parallel()
@@ -2898,6 +2900,14 @@ func TestCleanupHostOnlyStateOnBecomingRouter(t *testing.T) {
prefix2, subnet2, e1Addr2 := prefixSubnetAddr(1, linkAddr1)
e2Addr1 := addrForSubnet(subnet1, linkAddr2)
e2Addr2 := addrForSubnet(subnet2, linkAddr2)
+ llAddrWithPrefix1 := tcpip.AddressWithPrefix{
+ Address: llAddr1,
+ PrefixLen: 64,
+ }
+ llAddrWithPrefix2 := tcpip.AddressWithPrefix{
+ Address: llAddr2,
+ PrefixLen: 64,
+ }
ndpDisp := ndpDispatcher{
routerC: make(chan ndpRouterEvent, maxEvents),
@@ -2907,7 +2917,8 @@ func TestCleanupHostOnlyStateOnBecomingRouter(t *testing.T) {
autoGenAddrC: make(chan ndpAutoGenAddrEvent, maxEvents),
}
s := stack.New(stack.Options{
- NetworkProtocols: []stack.NetworkProtocol{ipv6.NewProtocol()},
+ NetworkProtocols: []stack.NetworkProtocol{ipv6.NewProtocol()},
+ AutoGenIPv6LinkLocal: true,
NDPConfigs: stack.NDPConfigurations{
HandleRAs: true,
DiscoverDefaultRouters: true,
@@ -2917,16 +2928,6 @@ func TestCleanupHostOnlyStateOnBecomingRouter(t *testing.T) {
NDPDisp: &ndpDisp,
})
- e1 := channel.New(0, 1280, linkAddr1)
- if err := s.CreateNIC(nicID1, e1); err != nil {
- t.Fatalf("CreateNIC(%d, _) = %s", nicID1, err)
- }
-
- e2 := channel.New(0, 1280, linkAddr2)
- if err := s.CreateNIC(nicID2, e2); err != nil {
- t.Fatalf("CreateNIC(%d, _) = %s", nicID2, err)
- }
-
expectRouterEvent := func() (bool, ndpRouterEvent) {
select {
case e := <-ndpDisp.routerC:
@@ -2957,18 +2958,30 @@ func TestCleanupHostOnlyStateOnBecomingRouter(t *testing.T) {
return false, ndpAutoGenAddrEvent{}
}
- // Receive RAs on NIC(1) and NIC(2) from default routers (llAddr1 and
- // llAddr2) w/ PI (for prefix1 in RA from llAddr1 and prefix2 in RA from
- // llAddr2) to discover multiple routers and prefixes, and auto-gen
- // multiple addresses.
-
- e1.InjectInbound(header.IPv6ProtocolNumber, raBufWithPI(llAddr1, lifetimeSeconds, prefix1, true, true, lifetimeSeconds, lifetimeSeconds))
+ e1 := channel.New(0, 1280, linkAddr1)
+ if err := s.CreateNIC(nicID1, e1); err != nil {
+ t.Fatalf("CreateNIC(%d, _) = %s", nicID1, err)
+ }
// We have other tests that make sure we receive the *correct* events
// on normal discovery of routers/prefixes, and auto-generated
// addresses. Here we just make sure we get an event and let other tests
// handle the correctness check.
+ expectAutoGenAddrEvent()
+
+ e2 := channel.New(0, 1280, linkAddr2)
+ if err := s.CreateNIC(nicID2, e2); err != nil {
+ t.Fatalf("CreateNIC(%d, _) = %s", nicID2, err)
+ }
+ expectAutoGenAddrEvent()
+
+ // Receive RAs on NIC(1) and NIC(2) from default routers (llAddr3 and
+ // llAddr4) w/ PI (for prefix1 in RA from llAddr3 and prefix2 in RA from
+ // llAddr4) to discover multiple routers and prefixes, and auto-gen
+ // multiple addresses.
+
+ e1.InjectInbound(header.IPv6ProtocolNumber, raBufWithPI(llAddr3, lifetimeSeconds, prefix1, true, true, lifetimeSeconds, lifetimeSeconds))
if ok, _ := expectRouterEvent(); !ok {
- t.Errorf("expected router event for %s on NIC(%d)", llAddr1, nicID1)
+ t.Errorf("expected router event for %s on NIC(%d)", llAddr3, nicID1)
}
if ok, _ := expectPrefixEvent(); !ok {
t.Errorf("expected prefix event for %s on NIC(%d)", prefix1, nicID1)
@@ -2977,9 +2990,9 @@ func TestCleanupHostOnlyStateOnBecomingRouter(t *testing.T) {
t.Errorf("expected auto-gen addr event for %s on NIC(%d)", e1Addr1, nicID1)
}
- e1.InjectInbound(header.IPv6ProtocolNumber, raBufWithPI(llAddr2, lifetimeSeconds, prefix2, true, true, lifetimeSeconds, lifetimeSeconds))
+ e1.InjectInbound(header.IPv6ProtocolNumber, raBufWithPI(llAddr4, lifetimeSeconds, prefix2, true, true, lifetimeSeconds, lifetimeSeconds))
if ok, _ := expectRouterEvent(); !ok {
- t.Errorf("expected router event for %s on NIC(%d)", llAddr2, nicID1)
+ t.Errorf("expected router event for %s on NIC(%d)", llAddr4, nicID1)
}
if ok, _ := expectPrefixEvent(); !ok {
t.Errorf("expected prefix event for %s on NIC(%d)", prefix2, nicID1)
@@ -2988,9 +3001,9 @@ func TestCleanupHostOnlyStateOnBecomingRouter(t *testing.T) {
t.Errorf("expected auto-gen addr event for %s on NIC(%d)", e1Addr2, nicID1)
}
- e2.InjectInbound(header.IPv6ProtocolNumber, raBufWithPI(llAddr1, lifetimeSeconds, prefix1, true, true, lifetimeSeconds, lifetimeSeconds))
+ e2.InjectInbound(header.IPv6ProtocolNumber, raBufWithPI(llAddr3, lifetimeSeconds, prefix1, true, true, lifetimeSeconds, lifetimeSeconds))
if ok, _ := expectRouterEvent(); !ok {
- t.Errorf("expected router event for %s on NIC(%d)", llAddr1, nicID2)
+ t.Errorf("expected router event for %s on NIC(%d)", llAddr3, nicID2)
}
if ok, _ := expectPrefixEvent(); !ok {
t.Errorf("expected prefix event for %s on NIC(%d)", prefix1, nicID2)
@@ -2999,9 +3012,9 @@ func TestCleanupHostOnlyStateOnBecomingRouter(t *testing.T) {
t.Errorf("expected auto-gen addr event for %s on NIC(%d)", e1Addr2, nicID2)
}
- e2.InjectInbound(header.IPv6ProtocolNumber, raBufWithPI(llAddr2, lifetimeSeconds, prefix2, true, true, lifetimeSeconds, lifetimeSeconds))
+ e2.InjectInbound(header.IPv6ProtocolNumber, raBufWithPI(llAddr4, lifetimeSeconds, prefix2, true, true, lifetimeSeconds, lifetimeSeconds))
if ok, _ := expectRouterEvent(); !ok {
- t.Errorf("expected router event for %s on NIC(%d)", llAddr2, nicID2)
+ t.Errorf("expected router event for %s on NIC(%d)", llAddr4, nicID2)
}
if ok, _ := expectPrefixEvent(); !ok {
t.Errorf("expected prefix event for %s on NIC(%d)", prefix2, nicID2)
@@ -3014,12 +3027,18 @@ func TestCleanupHostOnlyStateOnBecomingRouter(t *testing.T) {
nicinfo := s.NICInfo()
nic1Addrs := nicinfo[nicID1].ProtocolAddresses
nic2Addrs := nicinfo[nicID2].ProtocolAddresses
+ if !containsV6Addr(nic1Addrs, llAddrWithPrefix1) {
+ t.Errorf("missing %s from the list of addresses for NIC(%d): %+v", llAddrWithPrefix1, nicID1, nic1Addrs)
+ }
if !containsV6Addr(nic1Addrs, e1Addr1) {
t.Errorf("missing %s from the list of addresses for NIC(%d): %+v", e1Addr1, nicID1, nic1Addrs)
}
if !containsV6Addr(nic1Addrs, e1Addr2) {
t.Errorf("missing %s from the list of addresses for NIC(%d): %+v", e1Addr2, nicID1, nic1Addrs)
}
+ if !containsV6Addr(nic2Addrs, llAddrWithPrefix2) {
+ t.Errorf("missing %s from the list of addresses for NIC(%d): %+v", llAddrWithPrefix2, nicID2, nic2Addrs)
+ }
if !containsV6Addr(nic2Addrs, e2Addr1) {
t.Errorf("missing %s from the list of addresses for NIC(%d): %+v", e2Addr1, nicID2, nic2Addrs)
}
@@ -3071,10 +3090,10 @@ func TestCleanupHostOnlyStateOnBecomingRouter(t *testing.T) {
}
expectedRouterEvents := map[ndpRouterEvent]int{
- {nicID: nicID1, addr: llAddr1, discovered: false}: 1,
- {nicID: nicID1, addr: llAddr2, discovered: false}: 1,
- {nicID: nicID2, addr: llAddr1, discovered: false}: 1,
- {nicID: nicID2, addr: llAddr2, discovered: false}: 1,
+ {nicID: nicID1, addr: llAddr3, discovered: false}: 1,
+ {nicID: nicID1, addr: llAddr4, discovered: false}: 1,
+ {nicID: nicID2, addr: llAddr3, discovered: false}: 1,
+ {nicID: nicID2, addr: llAddr4, discovered: false}: 1,
}
if diff := cmp.Diff(expectedRouterEvents, gotRouterEvents); diff != "" {
t.Errorf("router events mismatch (-want +got):\n%s", diff)
@@ -3102,12 +3121,18 @@ func TestCleanupHostOnlyStateOnBecomingRouter(t *testing.T) {
nicinfo = s.NICInfo()
nic1Addrs = nicinfo[nicID1].ProtocolAddresses
nic2Addrs = nicinfo[nicID2].ProtocolAddresses
+ if !containsV6Addr(nic1Addrs, llAddrWithPrefix1) {
+ t.Errorf("missing %s from the list of addresses for NIC(%d): %+v", llAddrWithPrefix1, nicID1, nic1Addrs)
+ }
if containsV6Addr(nic1Addrs, e1Addr1) {
t.Errorf("still have %s in the list of addresses for NIC(%d): %+v", e1Addr1, nicID1, nic1Addrs)
}
if containsV6Addr(nic1Addrs, e1Addr2) {
t.Errorf("still have %s in the list of addresses for NIC(%d): %+v", e1Addr2, nicID1, nic1Addrs)
}
+ if !containsV6Addr(nic2Addrs, llAddrWithPrefix2) {
+ t.Errorf("missing %s from the list of addresses for NIC(%d): %+v", llAddrWithPrefix2, nicID2, nic2Addrs)
+ }
if containsV6Addr(nic2Addrs, e2Addr1) {
t.Errorf("still have %s in the list of addresses for NIC(%d): %+v", e2Addr1, nicID2, nic2Addrs)
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-19 05:29:40 +0000