diff options
| author | Ghanan Gowripalan <ghanan@google.com> | 2021-04-08 09:48:17 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2021-04-08 09:49:59 -0700 |
| commit | 9e4a1e31d4fbf7d4439d503bf318517c92c8e885 (patch) | |
| tree | 943033aae79923aad07c563948ac75205df2d597 /pkg/tcpip/network/ipv6/ndp.go | |
| parent | cbf00d633db744febdac262ecfbc4908aa4e8a2f (diff) | |
Join all routers group when forwarding is enabled
See comments inline code for rationale.
Test: ip_test.TestJoinLeaveAllRoutersGroup
PiperOrigin-RevId: 367449434
Diffstat (limited to 'pkg/tcpip/network/ipv6/ndp.go')
| -rw-r--r-- | pkg/tcpip/network/ipv6/ndp.go | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/pkg/tcpip/network/ipv6/ndp.go b/pkg/tcpip/network/ipv6/ndp.go index 536493f87..dd7f6a126 100644 --- a/pkg/tcpip/network/ipv6/ndp.go +++ b/pkg/tcpip/network/ipv6/ndp.go @@ -1703,7 +1703,7 @@ func (ndp *ndpState) startSolicitingRouters() { // the unspecified address if no address is assigned // to the sending interface. localAddr := header.IPv6Any - if addressEndpoint := ndp.ep.AcquireOutgoingPrimaryAddress(header.IPv6AllRoutersMulticastAddress, false); addressEndpoint != nil { + if addressEndpoint := ndp.ep.AcquireOutgoingPrimaryAddress(header.IPv6AllRoutersLinkLocalMulticastAddress, false); addressEndpoint != nil { localAddr = addressEndpoint.AddressWithPrefix().Address addressEndpoint.DecRef() } @@ -1730,7 +1730,7 @@ func (ndp *ndpState) startSolicitingRouters() { icmpData.SetChecksum(header.ICMPv6Checksum(header.ICMPv6ChecksumParams{ Header: icmpData, Src: localAddr, - Dst: header.IPv6AllRoutersMulticastAddress, + Dst: header.IPv6AllRoutersLinkLocalMulticastAddress, })) pkt := stack.NewPacketBuffer(stack.PacketBufferOptions{ @@ -1739,14 +1739,14 @@ func (ndp *ndpState) startSolicitingRouters() { }) sent := ndp.ep.stats.icmp.packetsSent - if err := addIPHeader(localAddr, header.IPv6AllRoutersMulticastAddress, pkt, stack.NetworkHeaderParams{ + if err := addIPHeader(localAddr, header.IPv6AllRoutersLinkLocalMulticastAddress, pkt, stack.NetworkHeaderParams{ Protocol: header.ICMPv6ProtocolNumber, TTL: header.NDPHopLimit, }, nil /* extensionHeaders */); err != nil { panic(fmt.Sprintf("failed to add IP header: %s", err)) } - if err := ndp.ep.nic.WritePacketToRemote(header.EthernetAddressFromMulticastIPv6Address(header.IPv6AllRoutersMulticastAddress), nil /* gso */, ProtocolNumber, pkt); err != nil { + if err := ndp.ep.nic.WritePacketToRemote(header.EthernetAddressFromMulticastIPv6Address(header.IPv6AllRoutersLinkLocalMulticastAddress), nil /* gso */, ProtocolNumber, pkt); err != nil { sent.dropped.Increment() // Don't send any more messages if we had an error. remaining = 0 |