public L2_VLan(PacketSpan <VLanHeader> tagVlanSpan, EthernetProtocolId tpid)
{
this.TagVlan = default;
this.Type = tpid;
this.Generic = tagVlanSpan.ToGenericSpan();
}
public L3(PacketSpan <PPPoESessionHeader> pppoeSpan)
{
this.IPv4 = default;
this.PPPoE = default;
this.Type = EthernetProtocolId.PPPoE_Session;
this.Generic = pppoeSpan.ToGenericSpan();
}
public L3(PacketSpan <IPv4Header> ipv4Span)
{
this.IPv4 = default;
this.PPPoE = default;
this.Type = EthernetProtocolId.IPv4;
this.Generic = ipv4Span.ToGenericSpan();
}
public void Set(ReadOnlySpan <byte> dest, ReadOnlySpan <byte> src, EthernetProtocolId protocol_EndianSafe)
{
SetDestAddress(dest);
SetSrcAddress(src);
this.Protocol = protocol_EndianSafe._Endian16();
}
public PacketParsed(ref Packet pkt, int startPin = DefaultSize, PacketParseOption?options = null, int maxPacketSize = DefaultSize, PacketParseMode mode = PacketParseMode.Layer2, EthernetProtocolId layer3ProtocolId = EthernetProtocolId.Unknown)
{
this.ParseOption = options ?? DefaultOption;
maxPacketSize = maxPacketSize._DefaultSize(pkt.Length);
switch (mode)
{
case PacketParseMode.Layer2:
PacketSpan <EthernetHeader> etherSpan = pkt.GetSpan <EthernetHeader>(startPin._DefaultSize(pkt.PinHead), maxPacketSize: maxPacketSize);
ParseL2_Ethernet(ref pkt, etherSpan);
break;
case PacketParseMode.Layer3:
PacketSpan <GenericHeader> l3Span = pkt.GetSpan <GenericHeader>(startPin._DefaultSize(pkt.PinHead), size: 0, maxPacketSize: maxPacketSize);
ParseL3(ref pkt, l3Span, layer3ProtocolId);
break;
}
}
