Merge release-20210112.0-25-ge57ebcd37 (automated)

1 files changed, 56 insertions, 0 deletions

diff --git a/pkg/tcpip/tcpip.go b/pkg/tcpip/tcpip.go
index 002ddaf67..49d4912ad 100644
--- a/pkg/tcpip/tcpip.go
+++ b/pkg/tcpip/tcpip.go
@@ -1591,6 +1591,59 @@ type IPStats struct {
 	OptionUnknownReceived *StatCounter
 }
 
+// ARPStats collects ARP-specific stats.
+type ARPStats struct {
+	// PacketsReceived is the number of ARP packets received from the link layer.
+	PacketsReceived *StatCounter
+
+	// DisabledPacketsReceived is the number of ARP packets received from the link
+	// layer when the ARP layer is disabled.
+	DisabledPacketsReceived *StatCounter
+
+	// MalformedPacketsReceived is the number of ARP packets that were dropped due
+	// to being malformed.
+	MalformedPacketsReceived *StatCounter
+
+	// RequestsReceived is the number of ARP requests received.
+	RequestsReceived *StatCounter
+
+	// RequestsReceivedUnknownTargetAddress is the number of ARP requests that
+	// were targeted to an interface different from the one it was received on.
+	RequestsReceivedUnknownTargetAddress *StatCounter
+
+	// OutgoingRequestInterfaceHasNoLocalAddressErrors is the number of failures
+	// to send an ARP request because the interface has no network address
+	// assigned to it.
+	OutgoingRequestInterfaceHasNoLocalAddressErrors *StatCounter
+
+	// OutgoingRequestBadLocalAddressErrors is the number of failures to send an
+	// ARP request with a bad local address.
+	OutgoingRequestBadLocalAddressErrors *StatCounter
+
+	// OutgoingRequestNetworkUnreachableErrors is the number of failures to send
+	// an ARP request with a network unreachable error.
+	OutgoingRequestNetworkUnreachableErrors *StatCounter
+
+	// OutgoingRequestsDropped is the number of ARP requests which failed to write
+	// to a link-layer endpoint.
+	OutgoingRequestsDropped *StatCounter
+
+	// OutgoingRequestSent is the number of ARP requests successfully written to a
+	// link-layer endpoint.
+	OutgoingRequestsSent *StatCounter
+
+	// RepliesReceived is the number of ARP replies received.
+	RepliesReceived *StatCounter
+
+	// OutgoingRepliesDropped is the number of ARP replies which failed to write
+	// to a link-layer endpoint.
+	OutgoingRepliesDropped *StatCounter
+
+	// OutgoingRepliesSent is the number of ARP replies successfully written to a
+	// link-layer endpoint.
+	OutgoingRepliesSent *StatCounter
+}
+
 // TCPStats collects TCP-specific stats.
 type TCPStats struct {
 	// ActiveConnectionOpenings is the number of connections opened
@@ -1743,6 +1796,9 @@ type Stats struct {
 	// IP breaks out IP-specific stats (both v4 and v6).
 	IP IPStats
 
+	// ARP breaks out ARP-specific stats.
+	ARP ARPStats
+
 	// TCP breaks out TCP-specific stats.
 	TCP TCPStats