diff options
Diffstat (limited to 'pkg/tcpip/stack')
| -rw-r--r-- | pkg/tcpip/stack/nic.go | 4 | ||||
| -rw-r--r-- | pkg/tcpip/stack/registration.go | 4 |
2 files changed, 5 insertions, 3 deletions
diff --git a/pkg/tcpip/stack/nic.go b/pkg/tcpip/stack/nic.go index 23022292c..06824843a 100644 --- a/pkg/tcpip/stack/nic.go +++ b/pkg/tcpip/stack/nic.go @@ -685,10 +685,8 @@ func (n *NIC) forwardPacket(r *Route, protocol tcpip.NetworkProtocolNumber, pkt func (n *NIC) DeliverTransportPacket(r *Route, protocol tcpip.TransportProtocolNumber, pkt *PacketBuffer) TransportPacketDisposition { state, ok := n.stack.transportProtocols[protocol] if !ok { - // TODO(gvisor.dev/issue/4365): Let the caller know that the transport - // protocol is unrecognized. n.stack.stats.UnknownProtocolRcvdPackets.Increment() - return TransportPacketHandled + return TransportPacketProtocolUnreachable } transProto := state.proto diff --git a/pkg/tcpip/stack/registration.go b/pkg/tcpip/stack/registration.go index b6f823b54..16f854e1f 100644 --- a/pkg/tcpip/stack/registration.go +++ b/pkg/tcpip/stack/registration.go @@ -208,6 +208,10 @@ const ( // transport layer and callers need not take any further action. TransportPacketHandled TransportPacketDisposition = iota + // TransportPacketProtocolUnreachable indicates that the transport + // protocol requested in the packet is not supported. + TransportPacketProtocolUnreachable + // TransportPacketDestinationPortUnreachable indicates that there weren't any // listeners interested in the packet and the transport protocol has no means // to notify the sender. |