diff options
Diffstat (limited to 'pkg/tcpip/tcpip.go')
| -rw-r--r-- | pkg/tcpip/tcpip.go | 169 |
1 files changed, 159 insertions, 10 deletions
diff --git a/pkg/tcpip/tcpip.go b/pkg/tcpip/tcpip.go index 825854148..e9f73635f 100644 --- a/pkg/tcpip/tcpip.go +++ b/pkg/tcpip/tcpip.go @@ -581,10 +581,156 @@ func (s *StatCounter) String() string { return strconv.FormatUint(s.Value(), 10) } +// ICMPv4PacketStats enumerates counts for all ICMPv4 packet types. +type ICMPv4PacketStats struct { + // Echo is the total number of ICMPv4 echo packets counted. + Echo *StatCounter + + // EchoReply is the total number of ICMPv4 echo reply packets counted. + EchoReply *StatCounter + + // DstUnreachable is the total number of ICMPv4 destination unreachable + // packets counted. + DstUnreachable *StatCounter + + // SrcQuench is the total number of ICMPv4 source quench packets + // counted. + SrcQuench *StatCounter + + // Redirect is the total number of ICMPv4 redirect packets counted. + Redirect *StatCounter + + // TimeExceeded is the total number of ICMPv4 time exceeded packets + // counted. + TimeExceeded *StatCounter + + // ParamProblem is the total number of ICMPv4 parameter problem packets + // counted. + ParamProblem *StatCounter + + // Timestamp is the total number of ICMPv4 timestamp packets counted. + Timestamp *StatCounter + + // TimestampReply is the total number of ICMPv4 timestamp reply packets + // counted. + TimestampReply *StatCounter + + // InfoRequest is the total number of ICMPv4 information request + // packets counted. + InfoRequest *StatCounter + + // InfoReply is the total number of ICMPv4 information reply packets + // counted. + InfoReply *StatCounter +} + +// ICMPv6PacketStats enumerates counts for all ICMPv6 packet types. +type ICMPv6PacketStats struct { + // EchoRequest is the total number of ICMPv6 echo request packets + // counted. + EchoRequest *StatCounter + + // EchoReply is the total number of ICMPv6 echo reply packets counted. + EchoReply *StatCounter + + // DstUnreachable is the total number of ICMPv6 destination unreachable + // packets counted. + DstUnreachable *StatCounter + + // PacketTooBig is the total number of ICMPv6 packet too big packets + // counted. + PacketTooBig *StatCounter + + // TimeExceeded is the total number of ICMPv6 time exceeded packets + // counted. + TimeExceeded *StatCounter + + // ParamProblem is the total number of ICMPv6 parameter problem packets + // counted. + ParamProblem *StatCounter + + // RouterSolicit is the total number of ICMPv6 router solicit packets + // counted. + RouterSolicit *StatCounter + + // RouterAdvert is the total number of ICMPv6 router advert packets + // counted. + RouterAdvert *StatCounter + + // NeighborSolicit is the total number of ICMPv6 neighbor solicit + // packets counted. + NeighborSolicit *StatCounter + + // NeighborAdvert is the total number of ICMPv6 neighbor advert packets + // counted. + NeighborAdvert *StatCounter + + // RedirectMsg is the total number of ICMPv6 redirect message packets + // counted. + RedirectMsg *StatCounter +} + +// ICMPv4SentPacketStats collects outbound ICMPv4-specific stats. +type ICMPv4SentPacketStats struct { + ICMPv4PacketStats + + // Dropped is the total number of ICMPv4 packets dropped due to link + // layer errors. + Dropped *StatCounter +} + +// ICMPv4ReceivedPacketStats collects inbound ICMPv4-specific stats. +type ICMPv4ReceivedPacketStats struct { + ICMPv4PacketStats + + // Invalid is the total number of ICMPv4 packets received that the + // transport layer could not parse. + Invalid *StatCounter +} + +// ICMPv6SentPacketStats collects outbound ICMPv6-specific stats. +type ICMPv6SentPacketStats struct { + ICMPv6PacketStats + + // Dropped is the total number of ICMPv6 packets dropped due to link + // layer errors. + Dropped *StatCounter +} + +// ICMPv6ReceivedPacketStats collects inbound ICMPv6-specific stats. +type ICMPv6ReceivedPacketStats struct { + ICMPv6PacketStats + + // Invalid is the total number of ICMPv6 packets received that the + // transport layer could not parse. + Invalid *StatCounter +} + +// ICMPStats collects ICMP-specific stats (both v4 and v6). +type ICMPStats struct { + // ICMPv4SentPacketStats contains counts of sent packets by ICMPv4 packet type + // and a single count of packets which failed to write to the link + // layer. + V4PacketsSent ICMPv4SentPacketStats + + // ICMPv4ReceivedPacketStats contains counts of received packets by ICMPv4 + // packet type and a single count of invalid packets received. + V4PacketsReceived ICMPv4ReceivedPacketStats + + // ICMPv6SentPacketStats contains counts of sent packets by ICMPv6 packet type + // and a single count of packets which failed to write to the link + // layer. + V6PacketsSent ICMPv6SentPacketStats + + // ICMPv6ReceivedPacketStats contains counts of received packets by ICMPv6 + // packet type and a single count of invalid packets received. + V6PacketsReceived ICMPv6ReceivedPacketStats +} + // IPStats collects IP-specific stats (both v4 and v6). type IPStats struct { - // PacketsReceived is the total number of IP packets received from the link - // layer in nic.DeliverNetworkPacket. + // PacketsReceived is the total number of IP packets received from the + // link layer in nic.DeliverNetworkPacket. PacketsReceived *StatCounter // InvalidAddressesReceived is the total number of IP packets received @@ -605,8 +751,8 @@ type IPStats struct { // TCPStats collects TCP-specific stats. type TCPStats struct { - // ActiveConnectionOpenings is the number of connections opened successfully - // via Connect. + // ActiveConnectionOpenings is the number of connections opened + // successfully via Connect. ActiveConnectionOpenings *StatCounter // PassiveConnectionOpenings is the number of connections opened @@ -617,8 +763,8 @@ type TCPStats struct { // (active and passive openings, respectively) that end in an error. FailedConnectionAttempts *StatCounter - // ValidSegmentsReceived is the number of TCP segments received that the - // transport layer successfully parsed. + // ValidSegmentsReceived is the number of TCP segments received that + // the transport layer successfully parsed. ValidSegmentsReceived *StatCounter // InvalidSegmentsReceived is the number of TCP segments received that @@ -694,6 +840,9 @@ type Stats struct { // DroppedPackets is the number of packets dropped due to full queues. DroppedPackets *StatCounter + // ICMP breaks out ICMP-specific stats (both v4 and v6). + ICMP ICMPStats + // IP breaks out IP-specific stats (both v4 and v6). IP IPStats @@ -709,13 +858,13 @@ func fillIn(v reflect.Value) { v := v.Field(i) switch v.Kind() { case reflect.Ptr: - if s, ok := v.Addr().Interface().(**StatCounter); ok { - if *s == nil { - *s = &StatCounter{} - } + if s := v.Addr().Interface().(**StatCounter); *s == nil { + *s = &StatCounter{} } case reflect.Struct: fillIn(v) + default: + panic(fmt.Sprintf("unexpected type %s", v.Type())) } } } |