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-rw-r--r--pkg/tcpip/network/arp/arp_test.go2
-rw-r--r--pkg/tcpip/network/ipv6/ndp_test.go8
-rw-r--r--pkg/tcpip/stack/neighbor_cache.go9
-rw-r--r--pkg/tcpip/stack/neighbor_cache_test.go15
-rw-r--r--pkg/tcpip/stack/neighbor_entry.go21
-rw-r--r--pkg/tcpip/stack/neighbor_entry_test.go12
6 files changed, 31 insertions, 36 deletions
diff --git a/pkg/tcpip/network/arp/arp_test.go b/pkg/tcpip/network/arp/arp_test.go
index bf1292bb8..087ee9c66 100644
--- a/pkg/tcpip/network/arp/arp_test.go
+++ b/pkg/tcpip/network/arp/arp_test.go
@@ -125,7 +125,7 @@ func (d *arpDispatcher) OnNeighborRemoved(nicID tcpip.NICID, entry stack.Neighbo
func (d *arpDispatcher) waitForEvent(ctx context.Context, want eventInfo) error {
select {
case got := <-d.C:
- if diff := cmp.Diff(got, want, cmp.AllowUnexported(got), cmpopts.IgnoreFields(stack.NeighborEntry{}, "UpdatedAt")); diff != "" {
+ if diff := cmp.Diff(got, want, cmp.AllowUnexported(got), cmpopts.IgnoreFields(stack.NeighborEntry{}, "UpdatedAtNanos")); diff != "" {
return fmt.Errorf("got invalid event (-got +want):\n%s", diff)
}
case <-ctx.Done():
diff --git a/pkg/tcpip/network/ipv6/ndp_test.go b/pkg/tcpip/network/ipv6/ndp_test.go
index ac20f217e..7f2ebc0cb 100644
--- a/pkg/tcpip/network/ipv6/ndp_test.go
+++ b/pkg/tcpip/network/ipv6/ndp_test.go
@@ -341,7 +341,7 @@ func TestNeighorSolicitationWithSourceLinkLayerOptionUsingNeighborCache(t *testi
if diff := cmp.Diff(existing, n); diff != "" {
t.Fatalf("s.Neighbors(%d) returned unexpected duplicate neighbor entry (-existing +got):\n%s", nicID, diff)
}
- t.Fatalf("s.Neighbors(%d) returned unexpected duplicate neighbor entry: %s", nicID, existing)
+ t.Fatalf("s.Neighbors(%d) returned unexpected duplicate neighbor entry: %#v", nicID, existing)
}
neighborByAddr[n.Addr] = n
}
@@ -368,7 +368,7 @@ func TestNeighorSolicitationWithSourceLinkLayerOptionUsingNeighborCache(t *testi
}
if ok {
- t.Fatalf("unexpectedly got neighbor entry: %s", neigh)
+ t.Fatalf("unexpectedly got neighbor entry: %#v", neigh)
}
}
})
@@ -913,13 +913,13 @@ func TestNeighorAdvertisementWithTargetLinkLayerOptionUsingNeighborCache(t *test
if diff := cmp.Diff(existing, n); diff != "" {
t.Fatalf("s.Neighbors(%d) returned unexpected duplicate neighbor entry (-existing +got):\n%s", nicID, diff)
}
- t.Fatalf("s.Neighbors(%d) returned unexpected duplicate neighbor entry: %s", nicID, existing)
+ t.Fatalf("s.Neighbors(%d) returned unexpected duplicate neighbor entry: %#v", nicID, existing)
}
neighborByAddr[n.Addr] = n
}
if neigh, ok := neighborByAddr[lladdr1]; ok {
- t.Fatalf("unexpectedly got neighbor entry: %s", neigh)
+ t.Fatalf("unexpectedly got neighbor entry: %#v", neigh)
}
if test.isValid {
diff --git a/pkg/tcpip/stack/neighbor_cache.go b/pkg/tcpip/stack/neighbor_cache.go
index eebf43a1f..177bf5516 100644
--- a/pkg/tcpip/stack/neighbor_cache.go
+++ b/pkg/tcpip/stack/neighbor_cache.go
@@ -16,7 +16,6 @@ package stack
import (
"fmt"
- "time"
"gvisor.dev/gvisor/pkg/sleep"
"gvisor.dev/gvisor/pkg/sync"
@@ -121,10 +120,10 @@ func (n *neighborCache) getOrCreateEntry(remoteAddr tcpip.Address, linkRes LinkA
func (n *neighborCache) entry(remoteAddr, localAddr tcpip.Address, linkRes LinkAddressResolver, w *sleep.Waker) (NeighborEntry, <-chan struct{}, *tcpip.Error) {
if linkAddr, ok := linkRes.ResolveStaticAddress(remoteAddr); ok {
e := NeighborEntry{
- Addr: remoteAddr,
- LinkAddr: linkAddr,
- State: Static,
- UpdatedAt: time.Now(),
+ Addr: remoteAddr,
+ LinkAddr: linkAddr,
+ State: Static,
+ UpdatedAtNanos: 0,
}
return e, nil, nil
}
diff --git a/pkg/tcpip/stack/neighbor_cache_test.go b/pkg/tcpip/stack/neighbor_cache_test.go
index d81f00848..ed33418f3 100644
--- a/pkg/tcpip/stack/neighbor_cache_test.go
+++ b/pkg/tcpip/stack/neighbor_cache_test.go
@@ -61,23 +61,20 @@ const (
)
// entryDiffOpts returns the options passed to cmp.Diff to compare neighbor
-// entries. The UpdatedAt field is ignored due to a lack of a deterministic
-// method to predict the time that an event will be dispatched.
+// entries. The UpdatedAtNanos field is ignored due to a lack of a
+// deterministic method to predict the time that an event will be dispatched.
func entryDiffOpts() []cmp.Option {
return []cmp.Option{
- cmpopts.IgnoreFields(NeighborEntry{}, "UpdatedAt"),
+ cmpopts.IgnoreFields(NeighborEntry{}, "UpdatedAtNanos"),
}
}
// entryDiffOptsWithSort is like entryDiffOpts but also includes an option to
// sort slices of entries for cases where ordering must be ignored.
func entryDiffOptsWithSort() []cmp.Option {
- return []cmp.Option{
- cmpopts.IgnoreFields(NeighborEntry{}, "UpdatedAt"),
- cmpopts.SortSlices(func(a, b NeighborEntry) bool {
- return strings.Compare(string(a.Addr), string(b.Addr)) < 0
- }),
- }
+ return append(entryDiffOpts(), cmpopts.SortSlices(func(a, b NeighborEntry) bool {
+ return strings.Compare(string(a.Addr), string(b.Addr)) < 0
+ }))
}
func newTestNeighborCache(nudDisp NUDDispatcher, config NUDConfigurations, clock tcpip.Clock) *neighborCache {
diff --git a/pkg/tcpip/stack/neighbor_entry.go b/pkg/tcpip/stack/neighbor_entry.go
index bd80f95bd..aec77610d 100644
--- a/pkg/tcpip/stack/neighbor_entry.go
+++ b/pkg/tcpip/stack/neighbor_entry.go
@@ -17,7 +17,6 @@ package stack
import (
"fmt"
"sync"
- "time"
"gvisor.dev/gvisor/pkg/sleep"
"gvisor.dev/gvisor/pkg/tcpip"
@@ -26,10 +25,10 @@ import (
// NeighborEntry describes a neighboring device in the local network.
type NeighborEntry struct {
- Addr tcpip.Address
- LinkAddr tcpip.LinkAddress
- State NeighborState
- UpdatedAt time.Time
+ Addr tcpip.Address
+ LinkAddr tcpip.LinkAddress
+ State NeighborState
+ UpdatedAtNanos int64
}
// NeighborState defines the state of a NeighborEntry within the Neighbor
@@ -122,10 +121,10 @@ func newNeighborEntry(nic *NIC, remoteAddr tcpip.Address, nudState *NUDState, li
// calling `setStateLocked`.
func newStaticNeighborEntry(nic *NIC, addr tcpip.Address, linkAddr tcpip.LinkAddress, state *NUDState) *neighborEntry {
entry := NeighborEntry{
- Addr: addr,
- LinkAddr: linkAddr,
- State: Static,
- UpdatedAt: time.Now(),
+ Addr: addr,
+ LinkAddr: linkAddr,
+ State: Static,
+ UpdatedAtNanos: nic.stack.clock.NowNanoseconds(),
}
if nic.stack.nudDisp != nil {
nic.stack.nudDisp.OnNeighborAdded(nic.id, entry)
@@ -200,7 +199,7 @@ func (e *neighborEntry) setStateLocked(next NeighborState) {
prev := e.neigh.State
e.neigh.State = next
- e.neigh.UpdatedAt = time.Now()
+ e.neigh.UpdatedAtNanos = e.nic.stack.clock.NowNanoseconds()
config := e.nudState.Config()
switch next {
@@ -268,7 +267,7 @@ func (e *neighborEntry) handlePacketQueuedLocked(localAddr tcpip.Address) {
switch e.neigh.State {
case Unknown:
e.neigh.State = Incomplete
- e.neigh.UpdatedAt = time.Now()
+ e.neigh.UpdatedAtNanos = e.nic.stack.clock.NowNanoseconds()
e.dispatchAddEventLocked()
diff --git a/pkg/tcpip/stack/neighbor_entry_test.go b/pkg/tcpip/stack/neighbor_entry_test.go
index e8e0e571b..d297c9422 100644
--- a/pkg/tcpip/stack/neighbor_entry_test.go
+++ b/pkg/tcpip/stack/neighbor_entry_test.go
@@ -48,11 +48,11 @@ const (
)
// eventDiffOpts are the options passed to cmp.Diff to compare entry events.
-// The UpdatedAt field is ignored due to a lack of a deterministic method to
-// predict the time that an event will be dispatched.
+// The UpdatedAtNanos field is ignored due to a lack of a deterministic method
+// to predict the time that an event will be dispatched.
func eventDiffOpts() []cmp.Option {
return []cmp.Option{
- cmpopts.IgnoreFields(NeighborEntry{}, "UpdatedAt"),
+ cmpopts.IgnoreFields(NeighborEntry{}, "UpdatedAtNanos"),
}
}
@@ -399,7 +399,7 @@ func TestEntryIncompleteToIncompleteDoesNotChangeUpdatedAt(t *testing.T) {
if got, want := e.neigh.State, Incomplete; got != want {
t.Errorf("got e.neigh.State = %q, want = %q", got, want)
}
- updatedAt := e.neigh.UpdatedAt
+ updatedAtNanos := e.neigh.UpdatedAtNanos
e.mu.Unlock()
clock.Advance(c.RetransmitTimer)
@@ -426,7 +426,7 @@ func TestEntryIncompleteToIncompleteDoesNotChangeUpdatedAt(t *testing.T) {
}
e.mu.Lock()
- if got, want := e.neigh.UpdatedAt, updatedAt; got != want {
+ if got, want := e.neigh.UpdatedAtNanos, updatedAtNanos; got != want {
t.Errorf("got e.neigh.UpdatedAt = %q, want = %q", got, want)
}
e.mu.Unlock()
@@ -480,7 +480,7 @@ func TestEntryIncompleteToIncompleteDoesNotChangeUpdatedAt(t *testing.T) {
nudDisp.mu.Unlock()
e.mu.Lock()
- if got, notWant := e.neigh.UpdatedAt, updatedAt; got == notWant {
+ if got, notWant := e.neigh.UpdatedAtNanos, updatedAtNanos; got == notWant {
t.Errorf("expected e.neigh.UpdatedAt to change, got = %q", got)
}
e.mu.Unlock()
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 14:20:30 +0000