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TUN-6699: Add metric for packet too big dropped

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This commit is contained in:
João Oliveirinha
2022-08-25 11:05:01 +01:00
committed by Igor Postelnik
parent af6bf5c4e5
commit e131125558
3 changed files with 10 additions and 3 deletions
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2
quic/datagramv2.go
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@@ -58,7 +58,7 @@ func NewDatagramMuxerV2(
// demultiplex the payload from multiple datagram sessions
func (dm *DatagramMuxerV2) SendToSession(session *packet.Session) error {
if len(session.Payload) > dm.mtu() {
// TODO: TUN-5302 return ICMP packet too big message
packetTooBigDropped.Inc()
return fmt.Errorf("origin UDP payload has %d bytes, which exceeds transport MTU %d", len(session.Payload), dm.mtu())
}
msgWithID, err := suffixSessionID(session.ID, session.Payload)