[DataLink Type] : bpf.h


#define DLT_NULL	0	/* BSD loopback encapsulation */
#define DLT_EN10MB	1	/* Ethernet (10Mb) */
#define DLT_EN3MB	2	/* Experimental Ethernet (3Mb) */
#define DLT_AX25	3	/* Amateur Radio AX.25 */
#define DLT_PRONET	4	/* Proteon ProNET Token Ring */
#define DLT_CHAOS	5	/* Chaos */
#define DLT_IEEE802	6	/* 802.5 Token Ring */
#define DLT_ARCNET	7	/* ARCNET, with BSD-style header */
#define DLT_SLIP	8	/* Serial Line IP */
#define DLT_PPP		9	/* Point-to-point Protocol */
#define DLT_FDDI	10	/* FDDI */



[Net Type] : libnet-headers.h


#ifndef ETHERTYPE_PUP
#define ETHERTYPE_PUP           0x0200  /* PUP protocol */
#endif
#ifndef ETHERTYPE_IP
#define ETHERTYPE_IP            0x0800  /* IP protocol */
#endif
#ifndef ETHERTYPE_ARP
#define ETHERTYPE_ARP           0x0806  /* addr. resolution protocol */
#endif
#ifndef ETHERTYPE_REVARP
#define ETHERTYPE_REVARP        0x8035  /* reverse addr. resolution protocol */
#endif
#ifndef ETHERTYPE_VLAN
#define ETHERTYPE_VLAN          0x8100  /* IEEE 802.1Q VLAN tagging */
#endif
#ifndef ETHERTYPE_EAP
#define ETHERTYPE_EAP           0x888e  /* IEEE 802.1X EAP authentication */
#endif
#ifndef ETHERTYPE_MPLS
#define ETHERTYPE_MPLS          0x8847  /* MPLS */
#endif
#ifndef ETHERTYPE_LOOPBACK
#define ETHERTYPE_LOOPBACK      0x9000  /* used to test interfaces */
#endif


[Proto Type] - ws2def.h(win)


typedef enum {
#if(_WIN32_WINNT >= 0x0501)
    IPPROTO_HOPOPTS       = 0,  // IPv6 Hop-by-Hop options
#endif//(_WIN32_WINNT >= 0x0501)
    IPPROTO_ICMP          = 1,
    IPPROTO_IGMP          = 2,
    IPPROTO_GGP           = 3,
#if(_WIN32_WINNT >= 0x0501)
    IPPROTO_IPV4          = 4,
#endif//(_WIN32_WINNT >= 0x0501)
#if(_WIN32_WINNT >= 0x0600)
    IPPROTO_ST            = 5,
#endif//(_WIN32_WINNT >= 0x0600)
    IPPROTO_TCP           = 6,
#if(_WIN32_WINNT >= 0x0600)
    IPPROTO_CBT           = 7,
    IPPROTO_EGP           = 8,
    IPPROTO_IGP           = 9,
#endif//(_WIN32_WINNT >= 0x0600)    
    IPPROTO_PUP           = 12,
    IPPROTO_UDP           = 17,
    IPPROTO_IDP           = 22,
#if(_WIN32_WINNT >= 0x0600)    
    IPPROTO_RDP           = 27,
#endif//(_WIN32_WINNT >= 0x0600)    

#if(_WIN32_WINNT >= 0x0501)
    IPPROTO_IPV6          = 41, // IPv6 header
    IPPROTO_ROUTING       = 43, // IPv6 Routing header
    IPPROTO_FRAGMENT      = 44, // IPv6 fragmentation header
    IPPROTO_ESP           = 50, // encapsulating security payload
    IPPROTO_AH            = 51, // authentication header
    IPPROTO_ICMPV6        = 58, // ICMPv6
    IPPROTO_NONE          = 59, // IPv6 no next header
    IPPROTO_DSTOPTS       = 60, // IPv6 Destination options
#endif//(_WIN32_WINNT >= 0x0501)

    IPPROTO_ND            = 77,
#if(_WIN32_WINNT >= 0x0501)
    IPPROTO_ICLFXBM       = 78,
#endif//(_WIN32_WINNT >= 0x0501)
#if(_WIN32_WINNT >= 0x0600)    
    IPPROTO_PIM           = 103,
    IPPROTO_PGM           = 113,
    IPPROTO_L2TP          = 115,
    IPPROTO_SCTP          = 132,
#endif//(_WIN32_WINNT >= 0x0600)    
    IPPROTO_RAW           = 255,

    IPPROTO_MAX           = 256,
//
//  These are reserved for internal use by Windows.
//
    IPPROTO_RESERVED_RAW  = 257,
    IPPROTO_RESERVED_IPSEC  = 258,
    IPPROTO_RESERVED_IPSECOFFLOAD  = 259,
    IPPROTO_RESERVED_MAX  = 260
} IPPROTO, *PIPROTO;

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