Added raw IPv4 and IPv6 packet wrapping linktype
Added raw IPv4 and IPv6 packet wrapping linktype

These link types are perfectly supported by tcpdump & wireshark. Instead of specifying a LinkTypeEthernet and wrapping ethernet frames, you can specify a LinkTypeIPv4 and wrap IPv4 frames (skipping the ethernet wrapping).
skyportsystems/gopacket,xuzhaokui/gopacket,ross-williams/gopacket,google/gopacket,LrsK/gopacket,levigross/gopacket,LrsK/gopacket,xuzhaokui/gopacket,vtolstov/gopacket,ross-williams/gopacket,LrsK/gopacket,vtolstov/gopacket,adriantam/gopacket,google/gopacket,rouzier/gopacket,vtolstov/gopacket,google/gopacket,skyportsystems/gopacket,ross-williams/gopacket,xuzhaokui/gopacket,levigross/gopacket,adriantam/gopacket,rouzier/gopacket,skyportsystems/gopacket,levigross/gopacket,rouzier/gopacket,adriantam/gopacket