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-rw-r--r--pkg/tcpip/tcpip.go27
1 files changed, 27 insertions, 0 deletions
diff --git a/pkg/tcpip/tcpip.go b/pkg/tcpip/tcpip.go
index d8a10065d..d5f941c5f 100644
--- a/pkg/tcpip/tcpip.go
+++ b/pkg/tcpip/tcpip.go
@@ -1528,6 +1528,30 @@ type IGMPStats struct {
// LINT.ThenChange(network/ipv4/stats.go:multiCounterIGMPStats)
}
+// IPForwardingStats collects stats related to IP forwarding (both v4 and v6).
+type IPForwardingStats struct {
+ // Unrouteable is the number of IP packets received which were dropped
+ // because the netstack could not construct a route to their
+ // destination.
+ Unrouteable *StatCounter
+
+ // ExhaustedTTL is the number of IP packets received which were dropped
+ // because their TTL was exhausted.
+ ExhaustedTTL *StatCounter
+
+ // LinkLocalSource is the number of IP packets which were dropped
+ // because they contained a link-local source address.
+ LinkLocalSource *StatCounter
+
+ // LinkLocalDestination is the number of IP packets which were dropped
+ // because they contained a link-local destination address.
+ LinkLocalDestination *StatCounter
+
+ // Errors is the number of IP packets received which could not be
+ // successfully forwarded.
+ Errors *StatCounter
+}
+
// IPStats collects IP-specific stats (both v4 and v6).
type IPStats struct {
// LINT.IfChange(IPStats)
@@ -1596,6 +1620,9 @@ type IPStats struct {
// OptionUnknownReceived is the number of unknown IP options seen.
OptionUnknownReceived *StatCounter
+ // Forwarding collects stats related to IP forwarding.
+ Forwarding IPForwardingStats
+
// LINT.ThenChange(network/internal/ip/stats.go:MultiCounterIPStats)
}