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Merged
lakshk98 merged 4 commits into from
Sep 12, 2025
Merged

Laksh/add pktmon parsing #56

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e632eb5
add pktmon parsing
lakshk98 Sep 3, 2025
4b81688
parse pktmon packet
lakshk98 Sep 10, 2025
fff65a4
unit tests added
lakshk98 Sep 11, 2025
d31c5e7
Merge branch 'main' into laksh/add-pktmon-parsing
lakshk98 Sep 12, 2025
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23 changes: 20 additions & 3 deletions pkg/plugin/ebpfwindows/parser_windows.go
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,24 @@ import (

const MaxInt = int(^uint(0) >> 1)
const MessageTypePktmonDrop = 100
const maxCapLength uint16 = 128

type PktmonPacketType uint8

// pktmon packet types
const (
PktMonPayloadUnknown PktmonPacketType = iota
PktMonPayloadEthernet
PktMonPayloadWiFi
PktMonPayloadIP
PktMonPayloadHTTP
PktMonPayloadTCP
PktMonPayloadUDP
PktMonPayloadARP
PktMonPayloadICMP
PktMonPayloadESP
PktMonPayloadAH
PktMonPayloadL4Payload
)

// Parser is a parser for L3/L4 payloads
type Parser struct {
Expand Down Expand Up @@ -230,9 +247,9 @@ func (p *Parser) decode(data []byte, decoded *pb.Flow) error {
var err error
if pdn != nil {
switch pdn.PktmonHeader.Metadata.PacketType {
case 1:
case uint16(PktMonPayloadEthernet):
err = p.packet.decLayerL2Dev.DecodeLayers(data[packetOffset:], &p.packet.Layers)
case 3:
case uint16(PktMonPayloadIP):
switch data[packetOffset] >> 4 {
case 0x4:
err = p.packet.decLayerL3Dev.IPv4.DecodeLayers(data[packetOffset:], &p.packet.Layers)
Expand Down
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