Implement UDP cheksum verification.

Test:
 - TestIncrementChecksumErrors

Fixes #2943

PiperOrigin-RevId: 317348158

1 files changed, 6 insertions, 0 deletions

diff --git a/pkg/tcpip/tcpip.go b/pkg/tcpip/tcpip.go
index 3ad130b23..956232a44 100644
--- a/pkg/tcpip/tcpip.go
+++ b/pkg/tcpip/tcpip.go
@@ -1224,6 +1224,9 @@ type UDPStats struct {
 
 	// PacketSendErrors is the number of datagrams failed to be sent.
 	PacketSendErrors *StatCounter
+
+	// ChecksumErrors is the number of datagrams dropped due to bad checksums.
+	ChecksumErrors *StatCounter
 }
 
 // Stats holds statistics about the networking stack.
@@ -1267,6 +1270,9 @@ type ReceiveErrors struct {
 	// ClosedReceiver is the number of received packets dropped because
 	// of receiving endpoint state being closed.
 	ClosedReceiver StatCounter
+
+	// ChecksumErrors is the number of packets dropped due to bad checksums.
+	ChecksumErrors StatCounter
 }
 
 // SendErrors collects packet send errors within the transport layer for