| 1 | /* |
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| 2 | * Fundamental constants relating to ethernet. |
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| 3 | * |
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| 4 | * $FreeBSD: src/sys/net/ethernet.h,v 1.24 2004/10/05 19:28:52 sam Exp $ |
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| 5 | * |
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| 6 | */ |
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| 7 | |
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| 8 | /* |
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| 9 | * $Id$ |
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| 10 | */ |
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| 11 | |
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| 12 | #ifndef _NET_ETHERNET_H_ |
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| 13 | #define _NET_ETHERNET_H_ |
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| 14 | |
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| 15 | /* |
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| 16 | * Some basic Ethernet constants. |
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| 17 | */ |
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| 18 | #define ETHER_ADDR_LEN 6 /* length of an Ethernet address */ |
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| 19 | #define ETHER_TYPE_LEN 2 /* length of the Ethernet type field */ |
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| 20 | #define ETHER_CRC_LEN 4 /* length of the Ethernet CRC */ |
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| 21 | #define ETHER_HDR_LEN (ETHER_ADDR_LEN*2+ETHER_TYPE_LEN) |
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| 22 | #define ETHER_MIN_LEN 64 /* minimum frame len, including CRC */ |
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| 23 | #define ETHER_MAX_LEN 1518 /* maximum frame len, including CRC */ |
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| 24 | #define ETHER_MAX_LEN_JUMBO 9018 /* max jumbo frame len, including CRC */ |
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| 25 | |
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| 26 | #define ETHER_VLAN_ENCAP_LEN 4 /* len of 802.1Q VLAN encapsulation */ |
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| 27 | /* |
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| 28 | * Mbuf adjust factor to force 32-bit alignment of IP header. |
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| 29 | * Drivers should do m_adj(m, ETHER_ALIGN) when setting up a |
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| 30 | * receive so the upper layers get the IP header properly aligned |
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| 31 | * past the 14-byte Ethernet header. |
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| 32 | */ |
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| 33 | #define ETHER_ALIGN 2 /* driver adjust for IP hdr alignment */ |
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| 34 | |
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| 35 | /* |
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| 36 | * Compute the maximum frame size based on ethertype (i.e. possible |
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| 37 | * encapsulation) and whether or not an FCS is present. |
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| 38 | */ |
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| 39 | #define ETHER_MAX_FRAME(ifp, etype, hasfcs) \ |
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| 40 | ((ifp)->if_mtu + ETHER_HDR_LEN + \ |
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| 41 | ((hasfcs) ? ETHER_CRC_LEN : 0) + \ |
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| 42 | (((etype) == ETHERTYPE_VLAN) ? ETHER_VLAN_ENCAP_LEN : 0)) |
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| 43 | |
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| 44 | /* |
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| 45 | * Ethernet-specific mbuf flags. |
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| 46 | */ |
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| 47 | #define M_HASFCS M_PROTO5 /* FCS included at end of frame */ |
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| 48 | |
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| 49 | /* |
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| 50 | * Ethernet CRC32 polynomials (big- and little-endian verions). |
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| 51 | */ |
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| 52 | #define ETHER_CRC_POLY_LE 0xedb88320 |
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| 53 | #define ETHER_CRC_POLY_BE 0x04c11db6 |
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| 54 | |
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| 55 | /* |
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| 56 | * A macro to validate a length with |
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| 57 | */ |
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| 58 | #define ETHER_IS_VALID_LEN(foo) \ |
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| 59 | ((foo) >= ETHER_MIN_LEN && (foo) <= ETHER_MAX_LEN) |
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| 60 | |
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| 61 | /* |
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| 62 | * Structure of a 10Mb/s Ethernet header. |
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| 63 | */ |
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| 64 | struct ether_header { |
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| 65 | u_char ether_dhost[ETHER_ADDR_LEN]; |
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| 66 | u_char ether_shost[ETHER_ADDR_LEN]; |
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| 67 | u_short ether_type; |
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| 68 | }; |
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| 69 | |
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| 70 | /* |
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| 71 | * Structure of a 48-bit Ethernet address. |
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| 72 | */ |
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| 73 | struct ether_addr { |
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| 74 | u_char octet[ETHER_ADDR_LEN]; |
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| 75 | }; |
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| 76 | |
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| 77 | #define ETHER_IS_MULTICAST(addr) (*(addr) & 0x01) /* is address mcast/bcast? */ |
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| 78 | |
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| 79 | /* |
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| 80 | * NOTE: 0x0000-0x05DC (0..1500) are generally IEEE 802.3 length fields. |
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| 81 | * However, there are some conflicts. |
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| 82 | */ |
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| 83 | |
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| 84 | #define ETHERTYPE_8023 0x0004 /* IEEE 802.3 packet */ |
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| 85 | /* 0x0101 .. 0x1FF Experimental */ |
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| 86 | #define ETHERTYPE_PUP 0x0200 /* Xerox PUP protocol - see 0A00 */ |
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| 87 | #define ETHERTYPE_PUPAT 0x0200 /* PUP Address Translation - see 0A01 */ |
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| 88 | #define ETHERTYPE_SPRITE 0x0500 /* ??? */ |
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| 89 | /* 0x0400 Nixdorf */ |
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| 90 | #define ETHERTYPE_NS 0x0600 /* XNS */ |
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| 91 | #define ETHERTYPE_NSAT 0x0601 /* XNS Address Translation (3Mb only) */ |
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| 92 | #define ETHERTYPE_DLOG1 0x0660 /* DLOG (?) */ |
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| 93 | #define ETHERTYPE_DLOG2 0x0661 /* DLOG (?) */ |
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| 94 | #define ETHERTYPE_IP 0x0800 /* IP protocol */ |
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| 95 | #define ETHERTYPE_X75 0x0801 /* X.75 Internet */ |
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| 96 | #define ETHERTYPE_NBS 0x0802 /* NBS Internet */ |
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| 97 | #define ETHERTYPE_ECMA 0x0803 /* ECMA Internet */ |
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| 98 | #define ETHERTYPE_CHAOS 0x0804 /* CHAOSnet */ |
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| 99 | #define ETHERTYPE_X25 0x0805 /* X.25 Level 3 */ |
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| 100 | #define ETHERTYPE_ARP 0x0806 /* Address resolution protocol */ |
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| 101 | #define ETHERTYPE_NSCOMPAT 0x0807 /* XNS Compatibility */ |
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| 102 | #define ETHERTYPE_FRARP 0x0808 /* Frame Relay ARP (RFC1701) */ |
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| 103 | /* 0x081C Symbolics Private */ |
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| 104 | /* 0x0888 - 0x088A Xyplex */ |
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| 105 | #define ETHERTYPE_UBDEBUG 0x0900 /* Ungermann-Bass network debugger */ |
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| 106 | #define ETHERTYPE_IEEEPUP 0x0A00 /* Xerox IEEE802.3 PUP */ |
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| 107 | #define ETHERTYPE_IEEEPUPAT 0x0A01 /* Xerox IEEE802.3 PUP Address Translation */ |
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| 108 | #define ETHERTYPE_VINES 0x0BAD /* Banyan VINES */ |
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| 109 | #define ETHERTYPE_VINESLOOP 0x0BAE /* Banyan VINES Loopback */ |
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| 110 | #define ETHERTYPE_VINESECHO 0x0BAF /* Banyan VINES Echo */ |
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| 111 | |
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| 112 | /* 0x1000 - 0x100F Berkeley Trailer */ |
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| 113 | /* |
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| 114 | * The ETHERTYPE_NTRAILER packet types starting at ETHERTYPE_TRAIL have |
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| 115 | * (type-ETHERTYPE_TRAIL)*512 bytes of data followed |
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| 116 | * by an ETHER type (as given above) and then the (variable-length) header. |
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| 117 | */ |
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| 118 | #define ETHERTYPE_TRAIL 0x1000 /* Trailer packet */ |
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| 119 | #define ETHERTYPE_NTRAILER 16 |
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| 120 | |
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| 121 | #define ETHERTYPE_DCA 0x1234 /* DCA - Multicast */ |
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| 122 | #define ETHERTYPE_VALID 0x1600 /* VALID system protocol */ |
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| 123 | #define ETHERTYPE_DOGFIGHT 0x1989 /* Artificial Horizons ("Aviator" dogfight simulator [on Sun]) */ |
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| 124 | #define ETHERTYPE_RCL 0x1995 /* Datapoint Corporation (RCL lan protocol) */ |
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| 125 | |
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| 126 | /* The following 3C0x types |
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| 127 | are unregistered: */ |
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| 128 | #define ETHERTYPE_NBPVCD 0x3C00 /* 3Com NBP virtual circuit datagram (like XNS SPP) not registered */ |
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| 129 | #define ETHERTYPE_NBPSCD 0x3C01 /* 3Com NBP System control datagram not registered */ |
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| 130 | #define ETHERTYPE_NBPCREQ 0x3C02 /* 3Com NBP Connect request (virtual cct) not registered */ |
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| 131 | #define ETHERTYPE_NBPCRSP 0x3C03 /* 3Com NBP Connect repsonse not registered */ |
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| 132 | #define ETHERTYPE_NBPCC 0x3C04 /* 3Com NBP Connect complete not registered */ |
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| 133 | #define ETHERTYPE_NBPCLREQ 0x3C05 /* 3Com NBP Close request (virtual cct) not registered */ |
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| 134 | #define ETHERTYPE_NBPCLRSP 0x3C06 /* 3Com NBP Close response not registered */ |
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| 135 | #define ETHERTYPE_NBPDG 0x3C07 /* 3Com NBP Datagram (like XNS IDP) not registered */ |
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| 136 | #define ETHERTYPE_NBPDGB 0x3C08 /* 3Com NBP Datagram broadcast not registered */ |
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| 137 | #define ETHERTYPE_NBPCLAIM 0x3C09 /* 3Com NBP Claim NetBIOS name not registered */ |
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| 138 | #define ETHERTYPE_NBPDLTE 0x3C0A /* 3Com NBP Delete Netbios name not registered */ |
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| 139 | #define ETHERTYPE_NBPRAS 0x3C0B /* 3Com NBP Remote adaptor status request not registered */ |
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| 140 | #define ETHERTYPE_NBPRAR 0x3C0C /* 3Com NBP Remote adaptor response not registered */ |
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| 141 | #define ETHERTYPE_NBPRST 0x3C0D /* 3Com NBP Reset not registered */ |
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| 142 | |
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| 143 | #define ETHERTYPE_PCS 0x4242 /* PCS Basic Block Protocol */ |
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| 144 | #define ETHERTYPE_IMLBLDIAG 0x424C /* Information Modes Little Big LAN diagnostic */ |
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| 145 | #define ETHERTYPE_DIDDLE 0x4321 /* THD - Diddle */ |
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| 146 | #define ETHERTYPE_IMLBL 0x4C42 /* Information Modes Little Big LAN */ |
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| 147 | #define ETHERTYPE_SIMNET 0x5208 /* BBN Simnet Private */ |
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| 148 | #define ETHERTYPE_DECEXPER 0x6000 /* DEC Unassigned, experimental */ |
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| 149 | #define ETHERTYPE_MOPDL 0x6001 /* DEC MOP dump/load */ |
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| 150 | #define ETHERTYPE_MOPRC 0x6002 /* DEC MOP remote console */ |
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| 151 | #define ETHERTYPE_DECnet 0x6003 /* DEC DECNET Phase IV route */ |
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| 152 | #define ETHERTYPE_DN ETHERTYPE_DECnet /* libpcap, tcpdump */ |
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| 153 | #define ETHERTYPE_LAT 0x6004 /* DEC LAT */ |
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| 154 | #define ETHERTYPE_DECDIAG 0x6005 /* DEC diagnostic protocol (at interface initialization?) */ |
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| 155 | #define ETHERTYPE_DECCUST 0x6006 /* DEC customer protocol */ |
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| 156 | #define ETHERTYPE_SCA 0x6007 /* DEC LAVC, SCA */ |
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| 157 | #define ETHERTYPE_AMBER 0x6008 /* DEC AMBER */ |
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| 158 | #define ETHERTYPE_DECMUMPS 0x6009 /* DEC MUMPS */ |
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| 159 | /* 0x6010 - 0x6014 3Com Corporation */ |
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| 160 | #define ETHERTYPE_TRANSETHER 0x6558 /* Trans Ether Bridging (RFC1701)*/ |
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| 161 | #define ETHERTYPE_RAWFR 0x6559 /* Raw Frame Relay (RFC1701) */ |
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| 162 | #define ETHERTYPE_UBDL 0x7000 /* Ungermann-Bass download */ |
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| 163 | #define ETHERTYPE_UBNIU 0x7001 /* Ungermann-Bass NIUs */ |
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| 164 | #define ETHERTYPE_UBDIAGLOOP 0x7002 /* Ungermann-Bass diagnostic/loopback */ |
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| 165 | #define ETHERTYPE_UBNMC 0x7003 /* Ungermann-Bass ??? (NMC to/from UB Bridge) */ |
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| 166 | #define ETHERTYPE_UBBST 0x7005 /* Ungermann-Bass Bridge Spanning Tree */ |
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| 167 | #define ETHERTYPE_OS9 0x7007 /* OS/9 Microware */ |
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| 168 | #define ETHERTYPE_OS9NET 0x7009 /* OS/9 Net? */ |
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| 169 | /* 0x7020 - 0x7029 LRT (England) (now Sintrom) */ |
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| 170 | #define ETHERTYPE_RACAL 0x7030 /* Racal-Interlan */ |
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| 171 | #define ETHERTYPE_PRIMENTS 0x7031 /* Prime NTS (Network Terminal Service) */ |
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| 172 | #define ETHERTYPE_CABLETRON 0x7034 /* Cabletron */ |
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| 173 | #define ETHERTYPE_CRONUSVLN 0x8003 /* Cronus VLN */ |
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| 174 | #define ETHERTYPE_CRONUS 0x8004 /* Cronus Direct */ |
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| 175 | #define ETHERTYPE_HP 0x8005 /* HP Probe */ |
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| 176 | #define ETHERTYPE_NESTAR 0x8006 /* Nestar */ |
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| 177 | #define ETHERTYPE_ATTSTANFORD 0x8008 /* AT&T/Stanford (local use) */ |
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| 178 | #define ETHERTYPE_EXCELAN 0x8010 /* Excelan */ |
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| 179 | #define ETHERTYPE_SG_DIAG 0x8013 /* SGI diagnostic type */ |
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| 180 | #define ETHERTYPE_SG_NETGAMES 0x8014 /* SGI network games */ |
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| 181 | #define ETHERTYPE_SG_RESV 0x8015 /* SGI reserved type */ |
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| 182 | #define ETHERTYPE_SG_BOUNCE 0x8016 /* SGI bounce server */ |
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| 183 | #define ETHERTYPE_APOLLODOMAIN 0x8019 /* Apollo DOMAIN */ |
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| 184 | #define ETHERTYPE_TYMSHARE 0x802E /* Tymeshare */ |
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| 185 | #define ETHERTYPE_TIGAN 0x802F /* Tigan, Inc. */ |
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| 186 | #define ETHERTYPE_REVARP 0x8035 /* Reverse addr resolution protocol */ |
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| 187 | #define ETHERTYPE_AEONIC 0x8036 /* Aeonic Systems */ |
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| 188 | #define ETHERTYPE_IPXNEW 0x8037 /* IPX (Novell Netware?) */ |
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| 189 | #define ETHERTYPE_LANBRIDGE 0x8038 /* DEC LANBridge */ |
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| 190 | #define ETHERTYPE_DSMD 0x8039 /* DEC DSM/DDP */ |
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| 191 | #define ETHERTYPE_ARGONAUT 0x803A /* DEC Argonaut Console */ |
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| 192 | #define ETHERTYPE_VAXELN 0x803B /* DEC VAXELN */ |
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| 193 | #define ETHERTYPE_DECDNS 0x803C /* DEC DNS Naming Service */ |
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| 194 | #define ETHERTYPE_ENCRYPT 0x803D /* DEC Ethernet Encryption */ |
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| 195 | #define ETHERTYPE_DECDTS 0x803E /* DEC Distributed Time Service */ |
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| 196 | #define ETHERTYPE_DECLTM 0x803F /* DEC LAN Traffic Monitor */ |
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| 197 | #define ETHERTYPE_DECNETBIOS 0x8040 /* DEC PATHWORKS DECnet NETBIOS Emulation */ |
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| 198 | #define ETHERTYPE_DECLAST 0x8041 /* DEC Local Area System Transport */ |
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| 199 | /* 0x8042 DEC Unassigned */ |
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| 200 | #define ETHERTYPE_PLANNING 0x8044 /* Planning Research Corp. */ |
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| 201 | /* 0x8046 - 0x8047 AT&T */ |
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| 202 | #define ETHERTYPE_DECAM 0x8048 /* DEC Availability Manager for Distributed Systems DECamds (but someone at DEC says not) */ |
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| 203 | #define ETHERTYPE_EXPERDATA 0x8049 /* ExperData */ |
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| 204 | #define ETHERTYPE_VEXP 0x805B /* Stanford V Kernel exp. */ |
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| 205 | #define ETHERTYPE_VPROD 0x805C /* Stanford V Kernel prod. */ |
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| 206 | #define ETHERTYPE_ES 0x805D /* Evans & Sutherland */ |
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| 207 | #define ETHERTYPE_LITTLE 0x8060 /* Little Machines */ |
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| 208 | #define ETHERTYPE_COUNTERPOINT 0x8062 /* Counterpoint Computers */ |
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| 209 | /* 0x8065 - 0x8066 Univ. of Mass @ Amherst */ |
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| 210 | #define ETHERTYPE_VEECO 0x8067 /* Veeco Integrated Auto. */ |
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| 211 | #define ETHERTYPE_GENDYN 0x8068 /* General Dynamics */ |
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| 212 | #define ETHERTYPE_ATT 0x8069 /* AT&T */ |
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| 213 | #define ETHERTYPE_AUTOPHON 0x806A /* Autophon */ |
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| 214 | #define ETHERTYPE_COMDESIGN 0x806C /* ComDesign */ |
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| 215 | #define ETHERTYPE_COMPUGRAPHIC 0x806D /* Compugraphic Corporation */ |
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| 216 | /* 0x806E - 0x8077 Landmark Graphics Corp. */ |
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| 217 | #define ETHERTYPE_MATRA 0x807A /* Matra */ |
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| 218 | #define ETHERTYPE_DDE 0x807B /* Dansk Data Elektronik */ |
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| 219 | #define ETHERTYPE_MERIT 0x807C /* Merit Internodal (or Univ of Michigan?) */ |
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| 220 | /* 0x807D - 0x807F Vitalink Communications */ |
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| 221 | #define ETHERTYPE_VLTLMAN 0x8080 /* Vitalink TransLAN III Management */ |
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| 222 | /* 0x8081 - 0x8083 Counterpoint Computers */ |
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| 223 | /* 0x8088 - 0x808A Xyplex */ |
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| 224 | #define ETHERTYPE_ATALK 0x809B /* AppleTalk */ |
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| 225 | #define ETHERTYPE_AT ETHERTYPE_ATALK /* old NetBSD */ |
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| 226 | #define ETHERTYPE_APPLETALK ETHERTYPE_ATALK /* HP-UX */ |
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| 227 | /* 0x809C - 0x809E Datability */ |
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| 228 | #define ETHERTYPE_SPIDER 0x809F /* Spider Systems Ltd. */ |
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| 229 | /* 0x80A3 Nixdorf */ |
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| 230 | /* 0x80A4 - 0x80B3 Siemens Gammasonics Inc. */ |
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| 231 | /* 0x80C0 - 0x80C3 DCA (Digital Comm. Assoc.) Data Exchange Cluster */ |
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| 232 | /* 0x80C4 - 0x80C5 Banyan Systems */ |
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| 233 | #define ETHERTYPE_PACER 0x80C6 /* Pacer Software */ |
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| 234 | #define ETHERTYPE_APPLITEK 0x80C7 /* Applitek Corporation */ |
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| 235 | /* 0x80C8 - 0x80CC Intergraph Corporation */ |
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| 236 | /* 0x80CD - 0x80CE Harris Corporation */ |
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| 237 | /* 0x80CF - 0x80D2 Taylor Instrument */ |
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| 238 | /* 0x80D3 - 0x80D4 Rosemount Corporation */ |
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| 239 | #define ETHERTYPE_SNA 0x80D5 /* IBM SNA Services over Ethernet */ |
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| 240 | #define ETHERTYPE_VARIAN 0x80DD /* Varian Associates */ |
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| 241 | /* 0x80DE - 0x80DF TRFS (Integrated Solutions Transparent Remote File System) */ |
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| 242 | /* 0x80E0 - 0x80E3 Allen-Bradley */ |
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| 243 | /* 0x80E4 - 0x80F0 Datability */ |
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| 244 | #define ETHERTYPE_RETIX 0x80F2 /* Retix */ |
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| 245 | #define ETHERTYPE_AARP 0x80F3 /* AppleTalk AARP */ |
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| 246 | /* 0x80F4 - 0x80F5 Kinetics */ |
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| 247 | #define ETHERTYPE_APOLLO 0x80F7 /* Apollo Computer */ |
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| 248 | #define ETHERTYPE_VLAN 0x8100 /* IEEE 802.1Q VLAN tagging (XXX conflicts) */ |
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| 249 | /* 0x80FF - 0x8101 Wellfleet Communications (XXX conflicts) */ |
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| 250 | #define ETHERTYPE_BOFL 0x8102 /* Wellfleet; BOFL (Breath OF Life) pkts [every 5-10 secs.] */ |
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| 251 | #define ETHERTYPE_WELLFLEET 0x8103 /* Wellfleet Communications */ |
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| 252 | /* 0x8107 - 0x8109 Symbolics Private */ |
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| 253 | #define ETHERTYPE_TALARIS 0x812B /* Talaris */ |
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| 254 | #define ETHERTYPE_WATERLOO 0x8130 /* Waterloo Microsystems Inc. (XXX which?) */ |
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| 255 | #define ETHERTYPE_HAYES 0x8130 /* Hayes Microcomputers (XXX which?) */ |
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| 256 | #define ETHERTYPE_VGLAB 0x8131 /* VG Laboratory Systems */ |
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| 257 | /* 0x8132 - 0x8137 Bridge Communications */ |
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| 258 | #define ETHERTYPE_IPX 0x8137 /* Novell (old) NetWare IPX (ECONFIG E option) */ |
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| 259 | #define ETHERTYPE_NOVELL 0x8138 /* Novell, Inc. */ |
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| 260 | /* 0x8139 - 0x813D KTI */ |
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| 261 | #define ETHERTYPE_MUMPS 0x813F /* M/MUMPS data sharing */ |
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| 262 | #define ETHERTYPE_AMOEBA 0x8145 /* Vrije Universiteit (NL) Amoeba 4 RPC (obsolete) */ |
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| 263 | #define ETHERTYPE_FLIP 0x8146 /* Vrije Universiteit (NL) FLIP (Fast Local Internet Protocol) */ |
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| 264 | #define ETHERTYPE_VURESERVED 0x8147 /* Vrije Universiteit (NL) [reserved] */ |
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| 265 | #define ETHERTYPE_LOGICRAFT 0x8148 /* Logicraft */ |
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| 266 | #define ETHERTYPE_NCD 0x8149 /* Network Computing Devices */ |
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| 267 | #define ETHERTYPE_ALPHA 0x814A /* Alpha Micro */ |
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| 268 | #define ETHERTYPE_SNMP 0x814C /* SNMP over Ethernet (see RFC1089) */ |
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| 269 | /* 0x814D - 0x814E BIIN */ |
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| 270 | #define ETHERTYPE_TEC 0x814F /* Technically Elite Concepts */ |
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| 271 | #define ETHERTYPE_RATIONAL 0x8150 /* Rational Corp */ |
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| 272 | /* 0x8151 - 0x8153 Qualcomm */ |
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| 273 | /* 0x815C - 0x815E Computer Protocol Pty Ltd */ |
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| 274 | /* 0x8164 - 0x8166 Charles River Data Systems */ |
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| 275 | #define ETHERTYPE_XTP 0x817D /* Protocol Engines XTP */ |
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| 276 | #define ETHERTYPE_SGITW 0x817E /* SGI/Time Warner prop. */ |
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| 277 | #define ETHERTYPE_HIPPI_FP 0x8180 /* HIPPI-FP encapsulation */ |
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| 278 | #define ETHERTYPE_STP 0x8181 /* Scheduled Transfer STP, HIPPI-ST */ |
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| 279 | /* 0x8182 - 0x8183 Reserved for HIPPI-6400 */ |
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| 280 | /* 0x8184 - 0x818C SGI prop. */ |
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| 281 | #define ETHERTYPE_MOTOROLA 0x818D /* Motorola */ |
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| 282 | #define ETHERTYPE_NETBEUI 0x8191 /* PowerLAN NetBIOS/NetBEUI (PC) */ |
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| 283 | /* 0x819A - 0x81A3 RAD Network Devices */ |
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| 284 | /* 0x81B7 - 0x81B9 Xyplex */ |
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| 285 | /* 0x81CC - 0x81D5 Apricot Computers */ |
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| 286 | /* 0x81D6 - 0x81DD Artisoft Lantastic */ |
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| 287 | /* 0x81E6 - 0x81EF Polygon */ |
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| 288 | /* 0x81F0 - 0x81F2 Comsat Labs */ |
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| 289 | /* 0x81F3 - 0x81F5 SAIC */ |
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| 290 | /* 0x81F6 - 0x81F8 VG Analytical */ |
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| 291 | /* 0x8203 - 0x8205 QNX Software Systems Ltd. */ |
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| 292 | /* 0x8221 - 0x8222 Ascom Banking Systems */ |
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| 293 | /* 0x823E - 0x8240 Advanced Encryption Systems */ |
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| 294 | /* 0x8263 - 0x826A Charles River Data Systems */ |
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| 295 | /* 0x827F - 0x8282 Athena Programming */ |
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| 296 | /* 0x829A - 0x829B Inst Ind Info Tech */ |
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| 297 | /* 0x829C - 0x82AB Taurus Controls */ |
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| 298 | /* 0x82AC - 0x8693 Walker Richer & Quinn */ |
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| 299 | #define ETHERTYPE_ACCTON 0x8390 /* Accton Technologies (unregistered) */ |
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| 300 | #define ETHERTYPE_TALARISMC 0x852B /* Talaris multicast */ |
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| 301 | #define ETHERTYPE_KALPANA 0x8582 /* Kalpana */ |
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| 302 | /* 0x8694 - 0x869D Idea Courier */ |
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| 303 | /* 0x869E - 0x86A1 Computer Network Tech */ |
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| 304 | /* 0x86A3 - 0x86AC Gateway Communications */ |
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| 305 | #define ETHERTYPE_SECTRA 0x86DB /* SECTRA */ |
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| 306 | #define ETHERTYPE_IPV6 0x86DD /* IP protocol version 6 */ |
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| 307 | #define ETHERTYPE_DELTACON 0x86DE /* Delta Controls */ |
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| 308 | #define ETHERTYPE_ATOMIC 0x86DF /* ATOMIC */ |
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| 309 | /* 0x86E0 - 0x86EF Landis & Gyr Powers */ |
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| 310 | /* 0x8700 - 0x8710 Motorola */ |
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| 311 | #define ETHERTYPE_RDP 0x8739 /* Control Technology Inc. RDP Without IP */ |
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| 312 | #define ETHERTYPE_MICP 0x873A /* Control Technology Inc. Mcast Industrial Ctrl Proto. */ |
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| 313 | /* 0x873B - 0x873C Control Technology Inc. Proprietary */ |
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| 314 | #define ETHERTYPE_TCPCOMP 0x876B /* TCP/IP Compression (RFC1701) */ |
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| 315 | #define ETHERTYPE_IPAS 0x876C /* IP Autonomous Systems (RFC1701) */ |
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| 316 | #define ETHERTYPE_SECUREDATA 0x876D /* Secure Data (RFC1701) */ |
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| 317 | #define ETHERTYPE_FLOWCONTROL 0x8808 /* 802.3x flow control packet */ |
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| 318 | #define ETHERTYPE_PPP 0x880B /* PPP (obsolete by PPPOE) */ |
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| 319 | #define ETHERTYPE_HITACHI 0x8820 /* Hitachi Cable (Optoelectronic Systems Laboratory) */ |
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| 320 | #define ETHERTYPE_MPLS 0x8847 /* MPLS Unicast */ |
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| 321 | #define ETHERTYPE_MPLS_MCAST 0x8848 /* MPLS Multicast */ |
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| 322 | #define ETHERTYPE_AXIS 0x8856 /* Axis Communications AB proprietary bootstrap/config */ |
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| 323 | #define ETHERTYPE_PPPOEDISC 0x8863 /* PPP Over Ethernet Discovery Stage */ |
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| 324 | #define ETHERTYPE_PPPOE 0x8864 /* PPP Over Ethernet Session Stage */ |
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| 325 | #define ETHERTYPE_LANPROBE 0x8888 /* HP LanProbe test? */ |
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| 326 | #define ETHERTYPE_PAE 0x888e /* EAPOL PAE/802.1x */ |
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| 327 | #define ETHERTYPE_LOOPBACK 0x9000 /* Loopback: used to test interfaces */ |
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| 328 | #define ETHERTYPE_LBACK ETHERTYPE_LOOPBACK /* DEC MOP loopback */ |
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| 329 | #define ETHERTYPE_XNSSM 0x9001 /* 3Com (Formerly Bridge Communications), XNS Systems Management */ |
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| 330 | #define ETHERTYPE_TCPSM 0x9002 /* 3Com (Formerly Bridge Communications), TCP/IP Systems Management */ |
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| 331 | #define ETHERTYPE_BCLOOP 0x9003 /* 3Com (Formerly Bridge Communications), loopback detection */ |
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| 332 | #define ETHERTYPE_DEBNI 0xAAAA /* DECNET? Used by VAX 6220 DEBNI */ |
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| 333 | #define ETHERTYPE_SONIX 0xFAF5 /* Sonix Arpeggio */ |
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| 334 | #define ETHERTYPE_VITAL 0xFF00 /* BBN VITAL-LanBridge cache wakeups */ |
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| 335 | /* 0xFF00 - 0xFFOF ISC Bunker Ramo */ |
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| 336 | |
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| 337 | #define ETHERTYPE_MAX 0xFFFF /* Maximum valid ethernet type, reserved */ |
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| 338 | |
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| 339 | /* |
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| 340 | * The ETHERTYPE_NTRAILER packet types starting at ETHERTYPE_TRAIL have |
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| 341 | * (type-ETHERTYPE_TRAIL)*512 bytes of data followed |
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| 342 | * by an ETHER type (as given above) and then the (variable-length) header. |
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| 343 | */ |
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| 344 | #define ETHERTYPE_TRAIL 0x1000 /* Trailer packet */ |
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| 345 | #define ETHERTYPE_NTRAILER 16 |
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| 346 | |
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| 347 | #define ETHERMTU (ETHER_MAX_LEN-ETHER_HDR_LEN-ETHER_CRC_LEN) |
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| 348 | #define ETHERMIN (ETHER_MIN_LEN-ETHER_HDR_LEN-ETHER_CRC_LEN) |
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| 349 | #define ETHERMTU_JUMBO (ETHER_MAX_LEN_JUMBO - ETHER_HDR_LEN - ETHER_CRC_LEN) |
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| 350 | |
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| 351 | #ifdef _KERNEL |
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| 352 | |
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| 353 | struct ifnet; |
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| 354 | struct mbuf; |
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| 355 | struct rtentry; |
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| 356 | struct sockaddr; |
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| 357 | |
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| 358 | extern uint32_t ether_crc32_le(const uint8_t *, size_t); |
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| 359 | extern uint32_t ether_crc32_be(const uint8_t *, size_t); |
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| 360 | extern void ether_demux(struct ifnet *, struct mbuf *); |
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| 361 | extern void ether_ifattach(struct ifnet *); |
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| 362 | extern void ether_ifdetach(struct ifnet *); |
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| 363 | extern int ether_ioctl(struct ifnet *, ioctl_command_t, caddr_t); |
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| 364 | extern void ether_input (struct ifnet *, struct ether_header *, struct mbuf *); |
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| 365 | extern int ether_output(struct ifnet *, |
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| 366 | struct mbuf *, struct sockaddr *, struct rtentry *); |
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| 367 | extern int ether_output_frame(struct ifnet *, struct mbuf *); |
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| 368 | extern char *ether_sprintf(const u_int8_t *); |
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| 369 | |
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| 370 | #else /* _KERNEL */ |
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| 371 | |
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| 372 | #include <sys/cdefs.h> |
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| 373 | |
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| 374 | /* |
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| 375 | * Ethernet address conversion/parsing routines. |
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| 376 | */ |
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| 377 | __BEGIN_DECLS |
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| 378 | struct ether_addr *ether_aton(const char *); |
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| 379 | int ether_hostton(const char *, struct ether_addr *); |
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| 380 | int ether_line(const char *, struct ether_addr *, char *); |
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| 381 | char *ether_ntoa(const struct ether_addr *); |
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| 382 | int ether_ntohost(char *, const struct ether_addr *); |
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| 383 | __END_DECLS |
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| 384 | |
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| 385 | #endif /* !_KERNEL */ |
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| 386 | |
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| 387 | #endif /* !_NET_ETHERNET_H_ */ |
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