Export stats that were forgotten

While I'm here, simplify the comments and unify naming of certain stats
across protocols.

PiperOrigin-RevId: 360728849

1 files changed, 86 insertions, 75 deletions

diff --git a/pkg/sentry/socket/netstack/netstack.go b/pkg/sentry/socket/netstack/netstack.go
index f2dc7c90b..9efb195f0 100644
--- a/pkg/sentry/socket/netstack/netstack.go
+++ b/pkg/sentry/socket/netstack/netstack.go
@@ -83,110 +83,121 @@ var Metrics = tcpip.Stats{
 		V4: tcpip.ICMPv4Stats{
 			PacketsSent: tcpip.ICMPv4SentPacketStats{
 				ICMPv4PacketStats: tcpip.ICMPv4PacketStats{
-					Echo:           mustCreateMetric("/netstack/icmp/v4/packets_sent/echo", "Total number of ICMPv4 echo packets sent by netstack."),
-					EchoReply:      mustCreateMetric("/netstack/icmp/v4/packets_sent/echo_reply", "Total number of ICMPv4 echo reply packets sent by netstack."),
-					DstUnreachable: mustCreateMetric("/netstack/icmp/v4/packets_sent/dst_unreachable", "Total number of ICMPv4 destination unreachable packets sent by netstack."),
-					SrcQuench:      mustCreateMetric("/netstack/icmp/v4/packets_sent/src_quench", "Total number of ICMPv4 source quench packets sent by netstack."),
-					Redirect:       mustCreateMetric("/netstack/icmp/v4/packets_sent/redirect", "Total number of ICMPv4 redirect packets sent by netstack."),
-					TimeExceeded:   mustCreateMetric("/netstack/icmp/v4/packets_sent/time_exceeded", "Total number of ICMPv4 time exceeded packets sent by netstack."),
-					ParamProblem:   mustCreateMetric("/netstack/icmp/v4/packets_sent/param_problem", "Total number of ICMPv4 parameter problem packets sent by netstack."),
-					Timestamp:      mustCreateMetric("/netstack/icmp/v4/packets_sent/timestamp", "Total number of ICMPv4 timestamp packets sent by netstack."),
-					TimestampReply: mustCreateMetric("/netstack/icmp/v4/packets_sent/timestamp_reply", "Total number of ICMPv4 timestamp reply packets sent by netstack."),
-					InfoRequest:    mustCreateMetric("/netstack/icmp/v4/packets_sent/info_request", "Total number of ICMPv4 information request packets sent by netstack."),
-					InfoReply:      mustCreateMetric("/netstack/icmp/v4/packets_sent/info_reply", "Total number of ICMPv4 information reply packets sent by netstack."),
+					EchoRequest:    mustCreateMetric("/netstack/icmp/v4/packets_sent/echo_request", "Number of ICMPv4 echo request packets sent by netstack."),
+					EchoReply:      mustCreateMetric("/netstack/icmp/v4/packets_sent/echo_reply", "Number of ICMPv4 echo reply packets sent by netstack."),
+					DstUnreachable: mustCreateMetric("/netstack/icmp/v4/packets_sent/dst_unreachable", "Number of ICMPv4 destination unreachable packets sent by netstack."),
+					SrcQuench:      mustCreateMetric("/netstack/icmp/v4/packets_sent/src_quench", "Number of ICMPv4 source quench packets sent by netstack."),
+					Redirect:       mustCreateMetric("/netstack/icmp/v4/packets_sent/redirect", "Number of ICMPv4 redirect packets sent by netstack."),
+					TimeExceeded:   mustCreateMetric("/netstack/icmp/v4/packets_sent/time_exceeded", "Number of ICMPv4 time exceeded packets sent by netstack."),
+					ParamProblem:   mustCreateMetric("/netstack/icmp/v4/packets_sent/param_problem", "Number of ICMPv4 parameter problem packets sent by netstack."),
+					Timestamp:      mustCreateMetric("/netstack/icmp/v4/packets_sent/timestamp", "Number of ICMPv4 timestamp packets sent by netstack."),
+					TimestampReply: mustCreateMetric("/netstack/icmp/v4/packets_sent/timestamp_reply", "Number of ICMPv4 timestamp reply packets sent by netstack."),
+					InfoRequest:    mustCreateMetric("/netstack/icmp/v4/packets_sent/info_request", "Number of ICMPv4 information request packets sent by netstack."),
+					InfoReply:      mustCreateMetric("/netstack/icmp/v4/packets_sent/info_reply", "Number of ICMPv4 information reply packets sent by netstack."),
 				},
-				Dropped: mustCreateMetric("/netstack/icmp/v4/packets_sent/dropped", "Total number of ICMPv4 packets dropped by netstack due to link layer errors."),
+				Dropped:     mustCreateMetric("/netstack/icmp/v4/packets_sent/dropped", "Number of ICMPv4 packets dropped by netstack due to link layer errors."),
+				RateLimited: mustCreateMetric("/netstack/icmp/v4/packets_sent/rate_limited", "Number of ICMPv4 packets dropped by netstack due to rate limit being exceeded."),
 			},
 			PacketsReceived: tcpip.ICMPv4ReceivedPacketStats{
 				ICMPv4PacketStats: tcpip.ICMPv4PacketStats{
-					Echo:           mustCreateMetric("/netstack/icmp/v4/packets_received/echo", "Total number of ICMPv4 echo packets received by netstack."),
-					EchoReply:      mustCreateMetric("/netstack/icmp/v4/packets_received/echo_reply", "Total number of ICMPv4 echo reply packets received by netstack."),
-					DstUnreachable: mustCreateMetric("/netstack/icmp/v4/packets_received/dst_unreachable", "Total number of ICMPv4 destination unreachable packets received by netstack."),
-					SrcQuench:      mustCreateMetric("/netstack/icmp/v4/packets_received/src_quench", "Total number of ICMPv4 source quench packets received by netstack."),
-					Redirect:       mustCreateMetric("/netstack/icmp/v4/packets_received/redirect", "Total number of ICMPv4 redirect packets received by netstack."),
-					TimeExceeded:   mustCreateMetric("/netstack/icmp/v4/packets_received/time_exceeded", "Total number of ICMPv4 time exceeded packets received by netstack."),
-					ParamProblem:   mustCreateMetric("/netstack/icmp/v4/packets_received/param_problem", "Total number of ICMPv4 parameter problem packets received by netstack."),
-					Timestamp:      mustCreateMetric("/netstack/icmp/v4/packets_received/timestamp", "Total number of ICMPv4 timestamp packets received by netstack."),
-					TimestampReply: mustCreateMetric("/netstack/icmp/v4/packets_received/timestamp_reply", "Total number of ICMPv4 timestamp reply packets received by netstack."),
-					InfoRequest:    mustCreateMetric("/netstack/icmp/v4/packets_received/info_request", "Total number of ICMPv4 information request packets received by netstack."),
-					InfoReply:      mustCreateMetric("/netstack/icmp/v4/packets_received/info_reply", "Total number of ICMPv4 information reply packets received by netstack."),
+					EchoRequest:    mustCreateMetric("/netstack/icmp/v4/packets_received/echo_request", "Number of ICMPv4 echo request packets received by netstack."),
+					EchoReply:      mustCreateMetric("/netstack/icmp/v4/packets_received/echo_reply", "Number of ICMPv4 echo reply packets received by netstack."),
+					DstUnreachable: mustCreateMetric("/netstack/icmp/v4/packets_received/dst_unreachable", "Number of ICMPv4 destination unreachable packets received by netstack."),
+					SrcQuench:      mustCreateMetric("/netstack/icmp/v4/packets_received/src_quench", "Number of ICMPv4 source quench packets received by netstack."),
+					Redirect:       mustCreateMetric("/netstack/icmp/v4/packets_received/redirect", "Number of ICMPv4 redirect packets received by netstack."),
+					TimeExceeded:   mustCreateMetric("/netstack/icmp/v4/packets_received/time_exceeded", "Number of ICMPv4 time exceeded packets received by netstack."),
+					ParamProblem:   mustCreateMetric("/netstack/icmp/v4/packets_received/param_problem", "Number of ICMPv4 parameter problem packets received by netstack."),
+					Timestamp:      mustCreateMetric("/netstack/icmp/v4/packets_received/timestamp", "Number of ICMPv4 timestamp packets received by netstack."),
+					TimestampReply: mustCreateMetric("/netstack/icmp/v4/packets_received/timestamp_reply", "Number of ICMPv4 timestamp reply packets received by netstack."),
+					InfoRequest:    mustCreateMetric("/netstack/icmp/v4/packets_received/info_request", "Number of ICMPv4 information request packets received by netstack."),
+					InfoReply:      mustCreateMetric("/netstack/icmp/v4/packets_received/info_reply", "Number of ICMPv4 information reply packets received by netstack."),
 				},
-				Invalid: mustCreateMetric("/netstack/icmp/v4/packets_received/invalid", "Total number of ICMPv4 packets received that the transport layer could not parse."),
+				Invalid: mustCreateMetric("/netstack/icmp/v4/packets_received/invalid", "Number of ICMPv4 packets received that the transport layer could not parse."),
 			},
 		},
 		V6: tcpip.ICMPv6Stats{
 			PacketsSent: tcpip.ICMPv6SentPacketStats{
 				ICMPv6PacketStats: tcpip.ICMPv6PacketStats{
-					EchoRequest:     mustCreateMetric("/netstack/icmp/v6/packets_sent/echo_request", "Total number of ICMPv6 echo request packets sent by netstack."),
-					EchoReply:       mustCreateMetric("/netstack/icmp/v6/packets_sent/echo_reply", "Total number of ICMPv6 echo reply packets sent by netstack."),
-					DstUnreachable:  mustCreateMetric("/netstack/icmp/v6/packets_sent/dst_unreachable", "Total number of ICMPv6 destination unreachable packets sent by netstack."),
-					PacketTooBig:    mustCreateMetric("/netstack/icmp/v6/packets_sent/packet_too_big", "Total number of ICMPv6 packet too big packets sent by netstack."),
-					TimeExceeded:    mustCreateMetric("/netstack/icmp/v6/packets_sent/time_exceeded", "Total number of ICMPv6 time exceeded packets sent by netstack."),
-					ParamProblem:    mustCreateMetric("/netstack/icmp/v6/packets_sent/param_problem", "Total number of ICMPv6 parameter problem packets sent by netstack."),
-					RouterSolicit:   mustCreateMetric("/netstack/icmp/v6/packets_sent/router_solicit", "Total number of ICMPv6 router solicit packets sent by netstack."),
-					RouterAdvert:    mustCreateMetric("/netstack/icmp/v6/packets_sent/router_advert", "Total number of ICMPv6 router advert packets sent by netstack."),
-					NeighborSolicit: mustCreateMetric("/netstack/icmp/v6/packets_sent/neighbor_solicit", "Total number of ICMPv6 neighbor solicit packets sent by netstack."),
-					NeighborAdvert:  mustCreateMetric("/netstack/icmp/v6/packets_sent/neighbor_advert", "Total number of ICMPv6 neighbor advert packets sent by netstack."),
-					RedirectMsg:     mustCreateMetric("/netstack/icmp/v6/packets_sent/redirect_msg", "Total number of ICMPv6 redirect message packets sent by netstack."),
+					EchoRequest:             mustCreateMetric("/netstack/icmp/v6/packets_sent/echo_request", "Number of ICMPv6 echo request packets sent by netstack."),
+					EchoReply:               mustCreateMetric("/netstack/icmp/v6/packets_sent/echo_reply", "Number of ICMPv6 echo reply packets sent by netstack."),
+					DstUnreachable:          mustCreateMetric("/netstack/icmp/v6/packets_sent/dst_unreachable", "Number of ICMPv6 destination unreachable packets sent by netstack."),
+					PacketTooBig:            mustCreateMetric("/netstack/icmp/v6/packets_sent/packet_too_big", "Number of ICMPv6 packet too big packets sent by netstack."),
+					TimeExceeded:            mustCreateMetric("/netstack/icmp/v6/packets_sent/time_exceeded", "Number of ICMPv6 time exceeded packets sent by netstack."),
+					ParamProblem:            mustCreateMetric("/netstack/icmp/v6/packets_sent/param_problem", "Number of ICMPv6 parameter problem packets sent by netstack."),
+					RouterSolicit:           mustCreateMetric("/netstack/icmp/v6/packets_sent/router_solicit", "Number of ICMPv6 router solicit packets sent by netstack."),
+					RouterAdvert:            mustCreateMetric("/netstack/icmp/v6/packets_sent/router_advert", "Number of ICMPv6 router advert packets sent by netstack."),
+					NeighborSolicit:         mustCreateMetric("/netstack/icmp/v6/packets_sent/neighbor_solicit", "Number of ICMPv6 neighbor solicit packets sent by netstack."),
+					NeighborAdvert:          mustCreateMetric("/netstack/icmp/v6/packets_sent/neighbor_advert", "Number of ICMPv6 neighbor advert packets sent by netstack."),
+					RedirectMsg:             mustCreateMetric("/netstack/icmp/v6/packets_sent/redirect_msg", "Number of ICMPv6 redirect message packets sent by netstack."),
+					MulticastListenerQuery:  mustCreateMetric("/netstack/icmp/v6/packets_sent/multicast_listener_query", "Number of ICMPv6 multicast listener query packets sent by netstack."),
+					MulticastListenerReport: mustCreateMetric("/netstack/icmp/v6/packets_sent/multicast_listener_report", "Number of ICMPv6 multicast listener report packets sent by netstack."),
+					MulticastListenerDone:   mustCreateMetric("/netstack/icmp/v6/packets_sent/multicast_listener_done", "Number of ICMPv6 multicast listener done packets sent by netstack."),
 				},
-				Dropped: mustCreateMetric("/netstack/icmp/v6/packets_sent/dropped", "Total number of ICMPv6 packets dropped by netstack due to link layer errors."),
+				Dropped:     mustCreateMetric("/netstack/icmp/v6/packets_sent/dropped", "Number of ICMPv6 packets dropped by netstack due to link layer errors."),
+				RateLimited: mustCreateMetric("/netstack/icmp/v6/packets_sent/rate_limited", "Number of ICMPv6 packets dropped by netstack due to rate limit being exceeded."),
 			},
 			PacketsReceived: tcpip.ICMPv6ReceivedPacketStats{
 				ICMPv6PacketStats: tcpip.ICMPv6PacketStats{
-					EchoRequest:     mustCreateMetric("/netstack/icmp/v6/packets_received/echo_request", "Total number of ICMPv6 echo request packets received by netstack."),
-					EchoReply:       mustCreateMetric("/netstack/icmp/v6/packets_received/echo_reply", "Total number of ICMPv6 echo reply packets received by netstack."),
-					DstUnreachable:  mustCreateMetric("/netstack/icmp/v6/packets_received/dst_unreachable", "Total number of ICMPv6 destination unreachable packets received by netstack."),
-					PacketTooBig:    mustCreateMetric("/netstack/icmp/v6/packets_received/packet_too_big", "Total number of ICMPv6 packet too big packets received by netstack."),
-					TimeExceeded:    mustCreateMetric("/netstack/icmp/v6/packets_received/time_exceeded", "Total number of ICMPv6 time exceeded packets received by netstack."),
-					ParamProblem:    mustCreateMetric("/netstack/icmp/v6/packets_received/param_problem", "Total number of ICMPv6 parameter problem packets received by netstack."),
-					RouterSolicit:   mustCreateMetric("/netstack/icmp/v6/packets_received/router_solicit", "Total number of ICMPv6 router solicit packets received by netstack."),
-					RouterAdvert:    mustCreateMetric("/netstack/icmp/v6/packets_received/router_advert", "Total number of ICMPv6 router advert packets received by netstack."),
-					NeighborSolicit: mustCreateMetric("/netstack/icmp/v6/packets_received/neighbor_solicit", "Total number of ICMPv6 neighbor solicit packets received by netstack."),
-					NeighborAdvert:  mustCreateMetric("/netstack/icmp/v6/packets_received/neighbor_advert", "Total number of ICMPv6 neighbor advert packets received by netstack."),
-					RedirectMsg:     mustCreateMetric("/netstack/icmp/v6/packets_received/redirect_msg", "Total number of ICMPv6 redirect message packets received by netstack."),
+					EchoRequest:             mustCreateMetric("/netstack/icmp/v6/packets_received/echo_request", "Number of ICMPv6 echo request packets received by netstack."),
+					EchoReply:               mustCreateMetric("/netstack/icmp/v6/packets_received/echo_reply", "Number of ICMPv6 echo reply packets received by netstack."),
+					DstUnreachable:          mustCreateMetric("/netstack/icmp/v6/packets_received/dst_unreachable", "Number of ICMPv6 destination unreachable packets received by netstack."),
+					PacketTooBig:            mustCreateMetric("/netstack/icmp/v6/packets_received/packet_too_big", "Number of ICMPv6 packet too big packets received by netstack."),
+					TimeExceeded:            mustCreateMetric("/netstack/icmp/v6/packets_received/time_exceeded", "Number of ICMPv6 time exceeded packets received by netstack."),
+					ParamProblem:            mustCreateMetric("/netstack/icmp/v6/packets_received/param_problem", "Number of ICMPv6 parameter problem packets received by netstack."),
+					RouterSolicit:           mustCreateMetric("/netstack/icmp/v6/packets_received/router_solicit", "Number of ICMPv6 router solicit packets received by netstack."),
+					RouterAdvert:            mustCreateMetric("/netstack/icmp/v6/packets_received/router_advert", "Number of ICMPv6 router advert packets received by netstack."),
+					NeighborSolicit:         mustCreateMetric("/netstack/icmp/v6/packets_received/neighbor_solicit", "Number of ICMPv6 neighbor solicit packets received by netstack."),
+					NeighborAdvert:          mustCreateMetric("/netstack/icmp/v6/packets_received/neighbor_advert", "Number of ICMPv6 neighbor advert packets received by netstack."),
+					RedirectMsg:             mustCreateMetric("/netstack/icmp/v6/packets_received/redirect_msg", "Number of ICMPv6 redirect message packets received by netstack."),
+					MulticastListenerQuery:  mustCreateMetric("/netstack/icmp/v6/packets_received/multicast_listener_query", "Number of ICMPv6 multicast listener query packets received by netstack."),
+					MulticastListenerReport: mustCreateMetric("/netstack/icmp/v6/packets_received/multicast_listener_report", "Number of ICMPv6 multicast listener report packets sent by netstack."),
+					MulticastListenerDone:   mustCreateMetric("/netstack/icmp/v6/packets_received/multicast_listener_done", "Number of ICMPv6 multicast listener done packets sent by netstack."),
 				},
-				Invalid: mustCreateMetric("/netstack/icmp/v6/packets_received/invalid", "Total number of ICMPv6 packets received that the transport layer could not parse."),
+				Unrecognized:                   mustCreateMetric("/netstack/icmp/v6/packets_received/unrecognized", "Number of ICMPv6 packets received that the transport layer does not know how to parse."),
+				Invalid:                        mustCreateMetric("/netstack/icmp/v6/packets_received/invalid", "Number of ICMPv6 packets received that the transport layer could not parse."),
+				RouterOnlyPacketsDroppedByHost: mustCreateMetric("/netstack/icmp/v6/packets_received/router_only_packets_dropped_by_host", "Number of ICMPv6 packets dropped due to being router-specific packets."),
 			},
 		},
 	},
 	IGMP: tcpip.IGMPStats{
 		PacketsSent: tcpip.IGMPSentPacketStats{
 			IGMPPacketStats: tcpip.IGMPPacketStats{
-				MembershipQuery:    mustCreateMetric("/netstack/igmp/packets_sent/membership_query", "Total number of IGMP Membership Query messages sent by netstack."),
-				V1MembershipReport: mustCreateMetric("/netstack/igmp/packets_sent/v1_membership_report", "Total number of IGMPv1 Membership Report messages sent by netstack."),
-				V2MembershipReport: mustCreateMetric("/netstack/igmp/packets_sent/v2_membership_report", "Total number of IGMPv2 Membership Report messages sent by netstack."),
-				LeaveGroup:         mustCreateMetric("/netstack/igmp/packets_sent/leave_group", "Total number of IGMP Leave Group messages sent by netstack."),
+				MembershipQuery:    mustCreateMetric("/netstack/igmp/packets_sent/membership_query", "Number of IGMP Membership Query messages sent by netstack."),
+				V1MembershipReport: mustCreateMetric("/netstack/igmp/packets_sent/v1_membership_report", "Number of IGMPv1 Membership Report messages sent by netstack."),
+				V2MembershipReport: mustCreateMetric("/netstack/igmp/packets_sent/v2_membership_report", "Number of IGMPv2 Membership Report messages sent by netstack."),
+				LeaveGroup:         mustCreateMetric("/netstack/igmp/packets_sent/leave_group", "Number of IGMP Leave Group messages sent by netstack."),
 			},
-			Dropped: mustCreateMetric("/netstack/igmp/packets_sent/dropped", "Total number of IGMP packets dropped by netstack due to link layer errors."),
+			Dropped: mustCreateMetric("/netstack/igmp/packets_sent/dropped", "Number of IGMP packets dropped by netstack due to link layer errors."),
 		},
 		PacketsReceived: tcpip.IGMPReceivedPacketStats{
 			IGMPPacketStats: tcpip.IGMPPacketStats{
-				MembershipQuery:    mustCreateMetric("/netstack/igmp/packets_received/membership_query", "Total number of IGMP Membership Query messages received by netstack."),
-				V1MembershipReport: mustCreateMetric("/netstack/igmp/packets_received/v1_membership_report", "Total number of IGMPv1 Membership Report messages received by netstack."),
-				V2MembershipReport: mustCreateMetric("/netstack/igmp/packets_received/v2_membership_report", "Total number of IGMPv2 Membership Report messages received by netstack."),
-				LeaveGroup:         mustCreateMetric("/netstack/igmp/packets_received/leave_group", "Total number of IGMP Leave Group messages received by netstack."),
+				MembershipQuery:    mustCreateMetric("/netstack/igmp/packets_received/membership_query", "Number of IGMP Membership Query messages received by netstack."),
+				V1MembershipReport: mustCreateMetric("/netstack/igmp/packets_received/v1_membership_report", "Number of IGMPv1 Membership Report messages received by netstack."),
+				V2MembershipReport: mustCreateMetric("/netstack/igmp/packets_received/v2_membership_report", "Number of IGMPv2 Membership Report messages received by netstack."),
+				LeaveGroup:         mustCreateMetric("/netstack/igmp/packets_received/leave_group", "Number of IGMP Leave Group messages received by netstack."),
 			},
-			Invalid:        mustCreateMetric("/netstack/igmp/packets_received/invalid", "Total number of IGMP packets received by netstack that could not be parsed."),
-			ChecksumErrors: mustCreateMetric("/netstack/igmp/packets_received/checksum_errors", "Total number of received IGMP packets with bad checksums."),
-			Unrecognized:   mustCreateMetric("/netstack/igmp/packets_received/unrecognized", "Total number of unrecognized IGMP packets received by netstack."),
+			Invalid:        mustCreateMetric("/netstack/igmp/packets_received/invalid", "Number of IGMP packets received by netstack that could not be parsed."),
+			ChecksumErrors: mustCreateMetric("/netstack/igmp/packets_received/checksum_errors", "Number of received IGMP packets with bad checksums."),
+			Unrecognized:   mustCreateMetric("/netstack/igmp/packets_received/unrecognized", "Number of unrecognized IGMP packets received by netstack."),
 		},
 	},
 	IP: tcpip.IPStats{
-		PacketsReceived:                     mustCreateMetric("/netstack/ip/packets_received", "Total number of IP packets received from the link layer in nic.DeliverNetworkPacket."),
-		InvalidDestinationAddressesReceived: mustCreateMetric("/netstack/ip/invalid_addresses_received", "Total number of IP packets received with an unknown or invalid destination address."),
-		InvalidSourceAddressesReceived:      mustCreateMetric("/netstack/ip/invalid_source_addresses_received", "Total number of IP packets received with an unknown or invalid source address."),
-		PacketsDelivered:                    mustCreateMetric("/netstack/ip/packets_delivered", "Total number of incoming IP packets that are successfully delivered to the transport layer via HandlePacket."),
-		PacketsSent:                         mustCreateMetric("/netstack/ip/packets_sent", "Total number of IP packets sent via WritePacket."),
-		OutgoingPacketErrors:                mustCreateMetric("/netstack/ip/outgoing_packet_errors", "Total number of IP packets which failed to write to a link-layer endpoint."),
-		MalformedPacketsReceived:            mustCreateMetric("/netstack/ip/malformed_packets_received", "Total number of IP packets which failed IP header validation checks."),
-		MalformedFragmentsReceived:          mustCreateMetric("/netstack/ip/malformed_fragments_received", "Total number of IP fragments which failed IP fragment validation checks."),
-		IPTablesPreroutingDropped:           mustCreateMetric("/netstack/ip/iptables/prerouting_dropped", "Total number of IP packets dropped in the Prerouting chain."),
-		IPTablesInputDropped:                mustCreateMetric("/netstack/ip/iptables/input_dropped", "Total number of IP packets dropped in the Input chain."),
-		IPTablesOutputDropped:               mustCreateMetric("/netstack/ip/iptables/output_dropped", "Total number of IP packets dropped in the Output chain."),
-		OptionTimestampReceived:             mustCreateMetric("/netstack/ip/options/timestamp_received", "Total number of timestamp options found in received IP packets."),
-		OptionRecordRouteReceived:           mustCreateMetric("/netstack/ip/options/record_route_received", "Total number of record route options found in received IP packets."),
-		OptionRouterAlertReceived:           mustCreateMetric("/netstack/ip/options/router_alert_received", "Total number of router alert options found in received IP packets."),
-		OptionUnknownReceived:               mustCreateMetric("/netstack/ip/options/unknown_received", "Total number of unknown options found in received IP packets."),
+		PacketsReceived:                     mustCreateMetric("/netstack/ip/packets_received", "Number of IP packets received from the link layer in nic.DeliverNetworkPacket."),
+		DisabledPacketsReceived:             mustCreateMetric("/netstack/ip/disabled_packets_received", "Number of IP packets received from the link layer when the IP layer is disabled."),
+		InvalidDestinationAddressesReceived: mustCreateMetric("/netstack/ip/invalid_addresses_received", "Number of IP packets received with an unknown or invalid destination address."),
+		InvalidSourceAddressesReceived:      mustCreateMetric("/netstack/ip/invalid_source_addresses_received", "Number of IP packets received with an unknown or invalid source address."),
+		PacketsDelivered:                    mustCreateMetric("/netstack/ip/packets_delivered", "Number of incoming IP packets that are successfully delivered to the transport layer via HandlePacket."),
+		PacketsSent:                         mustCreateMetric("/netstack/ip/packets_sent", "Number of IP packets sent via WritePacket."),
+		OutgoingPacketErrors:                mustCreateMetric("/netstack/ip/outgoing_packet_errors", "Number of IP packets which failed to write to a link-layer endpoint."),
+		MalformedPacketsReceived:            mustCreateMetric("/netstack/ip/malformed_packets_received", "Number of IP packets which failed IP header validation checks."),
+		MalformedFragmentsReceived:          mustCreateMetric("/netstack/ip/malformed_fragments_received", "Number of IP fragments which failed IP fragment validation checks."),
+		IPTablesPreroutingDropped:           mustCreateMetric("/netstack/ip/iptables/prerouting_dropped", "Number of IP packets dropped in the Prerouting chain."),
+		IPTablesInputDropped:                mustCreateMetric("/netstack/ip/iptables/input_dropped", "Number of IP packets dropped in the Input chain."),
+		IPTablesOutputDropped:               mustCreateMetric("/netstack/ip/iptables/output_dropped", "Number of IP packets dropped in the Output chain."),
+		OptionTimestampReceived:             mustCreateMetric("/netstack/ip/options/timestamp_received", "Number of timestamp options found in received IP packets."),
+		OptionRecordRouteReceived:           mustCreateMetric("/netstack/ip/options/record_route_received", "Number of record route options found in received IP packets."),
+		OptionRouterAlertReceived:           mustCreateMetric("/netstack/ip/options/router_alert_received", "Number of router alert options found in received IP packets."),
+		OptionUnknownReceived:               mustCreateMetric("/netstack/ip/options/unknown_received", "Number of unknown options found in received IP packets."),
 	},
 	ARP: tcpip.ARPStats{
 		PacketsReceived:                                 mustCreateMetric("/netstack/arp/packets_received", "Number of ARP packets received from the link layer."),