diff options
Diffstat (limited to 'pkg/tcpip/link')
| -rw-r--r-- | pkg/tcpip/link/channel/channel.go | 6 | ||||
| -rw-r--r-- | pkg/tcpip/link/sniffer/sniffer.go | 31 |
2 files changed, 37 insertions, 0 deletions
diff --git a/pkg/tcpip/link/channel/channel.go b/pkg/tcpip/link/channel/channel.go index 9d69f1d45..dd3fe7c87 100644 --- a/pkg/tcpip/link/channel/channel.go +++ b/pkg/tcpip/link/channel/channel.go @@ -71,6 +71,12 @@ func (e *Endpoint) Inject(protocol tcpip.NetworkProtocolNumber, vv *buffer.Vecto e.dispatcher.DeliverNetworkPacket(e, "", protocol, &uu) } +// InjectLinkAddr injects an inbound packet with a remote link address. +func (e *Endpoint) InjectLinkAddr(protocol tcpip.NetworkProtocolNumber, remoteLinkAddr tcpip.LinkAddress, vv *buffer.VectorisedView) { + uu := vv.Clone(nil) + e.dispatcher.DeliverNetworkPacket(e, remoteLinkAddr, protocol, &uu) +} + // Attach saves the stack network-layer dispatcher for use later when packets // are injected. func (e *Endpoint) Attach(dispatcher stack.NetworkDispatcher) { diff --git a/pkg/tcpip/link/sniffer/sniffer.go b/pkg/tcpip/link/sniffer/sniffer.go index 414a7edb4..1e302f557 100644 --- a/pkg/tcpip/link/sniffer/sniffer.go +++ b/pkg/tcpip/link/sniffer/sniffer.go @@ -303,6 +303,37 @@ func logPacket(prefix string, protocol tcpip.NetworkProtocolNumber, b, plb []byt log.Infof("%s %s %v -> %v %s len:%d id:%04x code:%d", prefix, transName, src, dst, icmpType, size, id, icmp.Code()) return + case header.ICMPv6ProtocolNumber: + transName = "icmp" + icmp := header.ICMPv6(b) + icmpType := "unknown" + switch icmp.Type() { + case header.ICMPv6DstUnreachable: + icmpType = "destination unreachable" + case header.ICMPv6PacketTooBig: + icmpType = "packet too big" + case header.ICMPv6TimeExceeded: + icmpType = "time exceeded" + case header.ICMPv6ParamProblem: + icmpType = "param problem" + case header.ICMPv6EchoRequest: + icmpType = "echo request" + case header.ICMPv6EchoReply: + icmpType = "echo reply" + case header.ICMPv6RouterSolicit: + icmpType = "router solicit" + case header.ICMPv6RouterAdvert: + icmpType = "router advert" + case header.ICMPv6NeighborSolicit: + icmpType = "neighbor solicit" + case header.ICMPv6NeighborAdvert: + icmpType = "neighbor advert" + case header.ICMPv6RedirectMsg: + icmpType = "redirect message" + } + log.Infof("%s %s %v -> %v %s len:%d id:%04x code:%d", prefix, transName, src, dst, icmpType, size, id, icmp.Code()) + return + case header.UDPProtocolNumber: transName = "udp" udp := header.UDP(b) |