diff options
| author | Ghanan Gowripalan <ghanan@google.com> | 2020-02-06 11:12:41 -0800 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-02-06 11:13:29 -0800 |
| commit | 6bd59b4e08893281468e8af5aebb5fab0f7a8c0d (patch) | |
| tree | fcb3d9688b18048d479ae9e8b8510634258b1378 /pkg/tcpip/stack | |
| parent | 0e96fcafd4404e1418c84b7830b9455867e174bb (diff) | |
Update link address for targets of Neighbor Adverts
Get the link address for the target of an NDP Neighbor Advertisement
from the NDP Target Link Layer Address option.
Tests:
- ipv6.TestNeighorAdvertisementWithTargetLinkLayerOption
- ipv6.TestNeighorAdvertisementWithInvalidTargetLinkLayerOption
PiperOrigin-RevId: 293632609
Diffstat (limited to 'pkg/tcpip/stack')
| -rw-r--r-- | pkg/tcpip/stack/ndp_test.go | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/pkg/tcpip/stack/ndp_test.go b/pkg/tcpip/stack/ndp_test.go index 8af8565f7..9a4607dcb 100644 --- a/pkg/tcpip/stack/ndp_test.go +++ b/pkg/tcpip/stack/ndp_test.go @@ -478,13 +478,17 @@ func TestDADFail(t *testing.T) { { "RxAdvert", func(tgt tcpip.Address) buffer.Prependable { - hdr := buffer.NewPrependable(header.IPv6MinimumSize + header.ICMPv6NeighborAdvertSize) - pkt := header.ICMPv6(hdr.Prepend(header.ICMPv6NeighborAdvertSize)) + naSize := header.ICMPv6NeighborAdvertMinimumSize + header.NDPLinkLayerAddressSize + hdr := buffer.NewPrependable(header.IPv6MinimumSize + naSize) + pkt := header.ICMPv6(hdr.Prepend(naSize)) pkt.SetType(header.ICMPv6NeighborAdvert) na := header.NDPNeighborAdvert(pkt.NDPPayload()) na.SetSolicitedFlag(true) na.SetOverrideFlag(true) na.SetTargetAddress(tgt) + na.Options().Serialize(header.NDPOptionsSerializer{ + header.NDPTargetLinkLayerAddressOption(linkAddr1), + }) pkt.SetChecksum(header.ICMPv6Checksum(pkt, tgt, header.IPv6AllNodesMulticastAddress, buffer.VectorisedView{})) payloadLength := hdr.UsedLength() ip := header.IPv6(hdr.Prepend(header.IPv6MinimumSize)) |