diff options
Diffstat (limited to 'pkg/tcpip/network/ipv4/ipv4.go')
| -rw-r--r-- | pkg/tcpip/network/ipv4/ipv4.go | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/pkg/tcpip/network/ipv4/ipv4.go b/pkg/tcpip/network/ipv4/ipv4.go index ad7a767a4..34d3f8474 100644 --- a/pkg/tcpip/network/ipv4/ipv4.go +++ b/pkg/tcpip/network/ipv4/ipv4.go @@ -567,6 +567,12 @@ func (e *endpoint) HandlePacket(r *stack.Route, pkt *stack.PacketBuffer) { // (e.g., UDP) is unable to demultiplex the datagram but has no // protocol mechanism to inform the sender. _ = returnError(r, &icmpReasonPortUnreachable{}, pkt) + case stack.TransportPacketProtocolUnreachable: + // As per RFC: 1122 Section 3.2.2.1 + // A host SHOULD generate Destination Unreachable messages with code: + // 2 (Protocol Unreachable), when the designated transport protocol + // is not supported + _ = returnError(r, &icmpReasonProtoUnreachable{}, pkt) default: panic(fmt.Sprintf("unrecognized result from DeliverTransportPacket = %d", res)) } |