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-rw-r--r--pkg/tcpip/stack/linkaddrcache.go2
-rw-r--r--pkg/tcpip/stack/registration.go7
2 files changed, 5 insertions, 4 deletions
diff --git a/pkg/tcpip/stack/linkaddrcache.go b/pkg/tcpip/stack/linkaddrcache.go
index 403557fd7..6f73a0ce4 100644
--- a/pkg/tcpip/stack/linkaddrcache.go
+++ b/pkg/tcpip/stack/linkaddrcache.go
@@ -244,7 +244,7 @@ func (c *linkAddrCache) startAddressResolution(k tcpip.FullAddress, linkRes Link
for i := 0; ; i++ {
// Send link request, then wait for the timeout limit and check
// whether the request succeeded.
- linkRes.LinkAddressRequest(k.Addr, localAddr, linkEP)
+ linkRes.LinkAddressRequest(k.Addr, localAddr, "" /* linkAddr */, linkEP)
select {
case now := <-time.After(c.resolutionTimeout):
diff --git a/pkg/tcpip/stack/registration.go b/pkg/tcpip/stack/registration.go
index 9e1b2d25f..8604c4259 100644
--- a/pkg/tcpip/stack/registration.go
+++ b/pkg/tcpip/stack/registration.go
@@ -478,12 +478,13 @@ type InjectableLinkEndpoint interface {
// A LinkAddressResolver is an extension to a NetworkProtocol that
// can resolve link addresses.
type LinkAddressResolver interface {
- // LinkAddressRequest sends a request for the LinkAddress of addr.
- // The request is sent on linkEP with localAddr as the source.
+ // LinkAddressRequest sends a request for the LinkAddress of addr. Broadcasts
+ // the request on the local network if remoteLinkAddr is the zero value. The
+ // request is sent on linkEP with localAddr as the source.
//
// A valid response will cause the discovery protocol's network
// endpoint to call AddLinkAddress.
- LinkAddressRequest(addr, localAddr tcpip.Address, linkEP LinkEndpoint) *tcpip.Error
+ LinkAddressRequest(addr, localAddr tcpip.Address, remoteLinkAddr tcpip.LinkAddress, linkEP LinkEndpoint) *tcpip.Error
// ResolveStaticAddress attempts to resolve address without sending
// requests. It either resolves the name immediately or returns the