27#define ARPHRD_NETROM 0
29#define ARPHRD_EETHER 2
31#define ARPHRD_PRONET 4
33#define ARPHRD_IEEE802 6
34#define ARPHRD_ARCNET 7
35#define ARPHRD_APPLETLK 8
38#define ARPHRD_METRICOM 23
39#define ARPHRD_IEEE1394 24
40#define ARPHRD_EUI64 27
41#define ARPHRD_IPSEC 31
44#define ARPHRD_SLIP 256
45#define ARPHRD_CSLIP 257
46#define ARPHRD_SLIP6 258
47#define ARPHRD_CSLIP6 259
48#define ARPHRD_RSRVD 260
49#define ARPHRD_ADAPT 264
50#define ARPHRD_ROSE 270
52#define ARPHRD_HWX25 272
54#define ARPHRD_CISCO 513
55#define ARPHRD_HDLC ARPHRD_CISCO
56#define ARPHRD_LAPB 516
57#define ARPHRD_DDCMP 517
58#define ARPHRD_RAWHDLC 518
60#define ARPHRD_TUNNEL 768
61#define ARPHRD_TUNNEL6 769
62#define ARPHRD_FRAD 770
63#define ARPHRD_SKIP 771
64#define ARPHRD_LOOPBACK 772
65#define ARPHRD_LOCALTLK 773
66#define ARPHRD_FDDI 774
69#define ARPHRD_IPDDP 777
70#define ARPHRD_IPGRE 778
71#define ARPHRD_PIMREG 779
72#define ARPHRD_HIPPI 780
74#define ARPHRD_ECONET 782
75#define ARPHRD_IRDA 783
77#define ARPHRD_FCPP 784
78#define ARPHRD_FCAL 785
79#define ARPHRD_FCPL 786
80#define ARPHRD_FCFABRIC 787
82#define ARPHRD_IEEE802_TR 800
83#define ARPHRD_IEEE80211 801
84#define ARPHRD_IEEE80211_PRISM 802
86#define ARPHRD_VOID 0xFFFF
89#define ARPOP_REQUEST 1
91#define ARPOP_RREQUEST 3
93#define ARPOP_InREQUEST 8
94#define ARPOP_InREPLY 9
101#define ATF_USETRAILERS 0x10
102#define ATF_NETMASK 0x20
104#define ATF_DONTPUB 0x40