RTEMS CPU Kit with SuperCore  4.11.3
ethernet.h
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1 /*
2  * Fundamental constants relating to ethernet.
3  *
4  * $FreeBSD: src/sys/net/ethernet.h,v 1.24 2004/10/05 19:28:52 sam Exp $
5  *
6  */
7 
8 
9 #ifndef _NET_ETHERNET_H_
10 #define _NET_ETHERNET_H_
11 
12 /*
13  * Some basic Ethernet constants.
14  */
15 #define ETHER_ADDR_LEN 6 /* length of an Ethernet address */
16 #define ETHER_TYPE_LEN 2 /* length of the Ethernet type field */
17 #define ETHER_CRC_LEN 4 /* length of the Ethernet CRC */
18 #define ETHER_HDR_LEN (ETHER_ADDR_LEN*2+ETHER_TYPE_LEN)
19 #define ETHER_MIN_LEN 64 /* minimum frame len, including CRC */
20 #define ETHER_MAX_LEN 1518 /* maximum frame len, including CRC */
21 #define ETHER_MAX_LEN_JUMBO 9018 /* max jumbo frame len, including CRC */
22 
23 #define ETHER_VLAN_ENCAP_LEN 4 /* len of 802.1Q VLAN encapsulation */
24 /*
25  * Mbuf adjust factor to force 32-bit alignment of IP header.
26  * Drivers should do m_adj(m, ETHER_ALIGN) when setting up a
27  * receive so the upper layers get the IP header properly aligned
28  * past the 14-byte Ethernet header.
29  */
30 #define ETHER_ALIGN 2 /* driver adjust for IP hdr alignment */
31 
32 /*
33  * Compute the maximum frame size based on ethertype (i.e. possible
34  * encapsulation) and whether or not an FCS is present.
35  */
36 #define ETHER_MAX_FRAME(ifp, etype, hasfcs) \
37  ((ifp)->if_mtu + ETHER_HDR_LEN + \
38  ((hasfcs) ? ETHER_CRC_LEN : 0) + \
39  (((etype) == ETHERTYPE_VLAN) ? ETHER_VLAN_ENCAP_LEN : 0))
40 
41 /*
42  * Ethernet-specific mbuf flags.
43  */
44 #define M_HASFCS M_PROTO5 /* FCS included at end of frame */
45 
46 /*
47  * Ethernet CRC32 polynomials (big- and little-endian verions).
48  */
49 #define ETHER_CRC_POLY_LE 0xedb88320
50 #define ETHER_CRC_POLY_BE 0x04c11db6
51 
52 /*
53  * A macro to validate a length with
54  */
55 #define ETHER_IS_VALID_LEN(foo) \
56  ((foo) >= ETHER_MIN_LEN && (foo) <= ETHER_MAX_LEN)
57 
58 /*
59  * Structure of a 10Mb/s Ethernet header.
60  */
61 struct ether_header {
62  u_char ether_dhost[ETHER_ADDR_LEN];
63  u_char ether_shost[ETHER_ADDR_LEN];
64  u_short ether_type;
65 };
66 
67 /*
68  * Structure of a 48-bit Ethernet address.
69  */
70 struct ether_addr {
71  u_char octet[ETHER_ADDR_LEN];
72 };
73 
74 #define ETHER_IS_MULTICAST(addr) (*(addr) & 0x01) /* is address mcast/bcast? */
75 
76 /*
77  * NOTE: 0x0000-0x05DC (0..1500) are generally IEEE 802.3 length fields.
78  * However, there are some conflicts.
79  */
80 
81 #define ETHERTYPE_8023 0x0004 /* IEEE 802.3 packet */
82  /* 0x0101 .. 0x1FF Experimental */
83 #define ETHERTYPE_PUP 0x0200 /* Xerox PUP protocol - see 0A00 */
84 #define ETHERTYPE_PUPAT 0x0200 /* PUP Address Translation - see 0A01 */
85 #define ETHERTYPE_SPRITE 0x0500 /* ??? */
86  /* 0x0400 Nixdorf */
87 #define ETHERTYPE_NS 0x0600 /* XNS */
88 #define ETHERTYPE_NSAT 0x0601 /* XNS Address Translation (3Mb only) */
89 #define ETHERTYPE_DLOG1 0x0660 /* DLOG (?) */
90 #define ETHERTYPE_DLOG2 0x0661 /* DLOG (?) */
91 #define ETHERTYPE_IP 0x0800 /* IP protocol */
92 #define ETHERTYPE_X75 0x0801 /* X.75 Internet */
93 #define ETHERTYPE_NBS 0x0802 /* NBS Internet */
94 #define ETHERTYPE_ECMA 0x0803 /* ECMA Internet */
95 #define ETHERTYPE_CHAOS 0x0804 /* CHAOSnet */
96 #define ETHERTYPE_X25 0x0805 /* X.25 Level 3 */
97 #define ETHERTYPE_ARP 0x0806 /* Address resolution protocol */
98 #define ETHERTYPE_NSCOMPAT 0x0807 /* XNS Compatibility */
99 #define ETHERTYPE_FRARP 0x0808 /* Frame Relay ARP (RFC1701) */
100  /* 0x081C Symbolics Private */
101  /* 0x0888 - 0x088A Xyplex */
102 #define ETHERTYPE_UBDEBUG 0x0900 /* Ungermann-Bass network debugger */
103 #define ETHERTYPE_IEEEPUP 0x0A00 /* Xerox IEEE802.3 PUP */
104 #define ETHERTYPE_IEEEPUPAT 0x0A01 /* Xerox IEEE802.3 PUP Address Translation */
105 #define ETHERTYPE_VINES 0x0BAD /* Banyan VINES */
106 #define ETHERTYPE_VINESLOOP 0x0BAE /* Banyan VINES Loopback */
107 #define ETHERTYPE_VINESECHO 0x0BAF /* Banyan VINES Echo */
108 
109 /* 0x1000 - 0x100F Berkeley Trailer */
110 /*
111  * The ETHERTYPE_NTRAILER packet types starting at ETHERTYPE_TRAIL have
112  * (type-ETHERTYPE_TRAIL)*512 bytes of data followed
113  * by an ETHER type (as given above) and then the (variable-length) header.
114  */
115 #define ETHERTYPE_TRAIL 0x1000 /* Trailer packet */
116 #define ETHERTYPE_NTRAILER 16
117 
118 #define ETHERTYPE_DCA 0x1234 /* DCA - Multicast */
119 #define ETHERTYPE_VALID 0x1600 /* VALID system protocol */
120 #define ETHERTYPE_DOGFIGHT 0x1989 /* Artificial Horizons ("Aviator" dogfight simulator [on Sun]) */
121 #define ETHERTYPE_RCL 0x1995 /* Datapoint Corporation (RCL lan protocol) */
122 
123  /* The following 3C0x types
124  are unregistered: */
125 #define ETHERTYPE_NBPVCD 0x3C00 /* 3Com NBP virtual circuit datagram (like XNS SPP) not registered */
126 #define ETHERTYPE_NBPSCD 0x3C01 /* 3Com NBP System control datagram not registered */
127 #define ETHERTYPE_NBPCREQ 0x3C02 /* 3Com NBP Connect request (virtual cct) not registered */
128 #define ETHERTYPE_NBPCRSP 0x3C03 /* 3Com NBP Connect repsonse not registered */
129 #define ETHERTYPE_NBPCC 0x3C04 /* 3Com NBP Connect complete not registered */
130 #define ETHERTYPE_NBPCLREQ 0x3C05 /* 3Com NBP Close request (virtual cct) not registered */
131 #define ETHERTYPE_NBPCLRSP 0x3C06 /* 3Com NBP Close response not registered */
132 #define ETHERTYPE_NBPDG 0x3C07 /* 3Com NBP Datagram (like XNS IDP) not registered */
133 #define ETHERTYPE_NBPDGB 0x3C08 /* 3Com NBP Datagram broadcast not registered */
134 #define ETHERTYPE_NBPCLAIM 0x3C09 /* 3Com NBP Claim NetBIOS name not registered */
135 #define ETHERTYPE_NBPDLTE 0x3C0A /* 3Com NBP Delete Netbios name not registered */
136 #define ETHERTYPE_NBPRAS 0x3C0B /* 3Com NBP Remote adaptor status request not registered */
137 #define ETHERTYPE_NBPRAR 0x3C0C /* 3Com NBP Remote adaptor response not registered */
138 #define ETHERTYPE_NBPRST 0x3C0D /* 3Com NBP Reset not registered */
139 
140 #define ETHERTYPE_PCS 0x4242 /* PCS Basic Block Protocol */
141 #define ETHERTYPE_IMLBLDIAG 0x424C /* Information Modes Little Big LAN diagnostic */
142 #define ETHERTYPE_DIDDLE 0x4321 /* THD - Diddle */
143 #define ETHERTYPE_IMLBL 0x4C42 /* Information Modes Little Big LAN */
144 #define ETHERTYPE_SIMNET 0x5208 /* BBN Simnet Private */
145 #define ETHERTYPE_DECEXPER 0x6000 /* DEC Unassigned, experimental */
146 #define ETHERTYPE_MOPDL 0x6001 /* DEC MOP dump/load */
147 #define ETHERTYPE_MOPRC 0x6002 /* DEC MOP remote console */
148 #define ETHERTYPE_DECnet 0x6003 /* DEC DECNET Phase IV route */
149 #define ETHERTYPE_DN ETHERTYPE_DECnet /* libpcap, tcpdump */
150 #define ETHERTYPE_LAT 0x6004 /* DEC LAT */
151 #define ETHERTYPE_DECDIAG 0x6005 /* DEC diagnostic protocol (at interface initialization?) */
152 #define ETHERTYPE_DECCUST 0x6006 /* DEC customer protocol */
153 #define ETHERTYPE_SCA 0x6007 /* DEC LAVC, SCA */
154 #define ETHERTYPE_AMBER 0x6008 /* DEC AMBER */
155 #define ETHERTYPE_DECMUMPS 0x6009 /* DEC MUMPS */
156  /* 0x6010 - 0x6014 3Com Corporation */
157 #define ETHERTYPE_TRANSETHER 0x6558 /* Trans Ether Bridging (RFC1701)*/
158 #define ETHERTYPE_RAWFR 0x6559 /* Raw Frame Relay (RFC1701) */
159 #define ETHERTYPE_UBDL 0x7000 /* Ungermann-Bass download */
160 #define ETHERTYPE_UBNIU 0x7001 /* Ungermann-Bass NIUs */
161 #define ETHERTYPE_UBDIAGLOOP 0x7002 /* Ungermann-Bass diagnostic/loopback */
162 #define ETHERTYPE_UBNMC 0x7003 /* Ungermann-Bass ??? (NMC to/from UB Bridge) */
163 #define ETHERTYPE_UBBST 0x7005 /* Ungermann-Bass Bridge Spanning Tree */
164 #define ETHERTYPE_OS9 0x7007 /* OS/9 Microware */
165 #define ETHERTYPE_OS9NET 0x7009 /* OS/9 Net? */
166  /* 0x7020 - 0x7029 LRT (England) (now Sintrom) */
167 #define ETHERTYPE_RACAL 0x7030 /* Racal-Interlan */
168 #define ETHERTYPE_PRIMENTS 0x7031 /* Prime NTS (Network Terminal Service) */
169 #define ETHERTYPE_CABLETRON 0x7034 /* Cabletron */
170 #define ETHERTYPE_CRONUSVLN 0x8003 /* Cronus VLN */
171 #define ETHERTYPE_CRONUS 0x8004 /* Cronus Direct */
172 #define ETHERTYPE_HP 0x8005 /* HP Probe */
173 #define ETHERTYPE_NESTAR 0x8006 /* Nestar */
174 #define ETHERTYPE_ATTSTANFORD 0x8008 /* AT&T/Stanford (local use) */
175 #define ETHERTYPE_EXCELAN 0x8010 /* Excelan */
176 #define ETHERTYPE_SG_DIAG 0x8013 /* SGI diagnostic type */
177 #define ETHERTYPE_SG_NETGAMES 0x8014 /* SGI network games */
178 #define ETHERTYPE_SG_RESV 0x8015 /* SGI reserved type */
179 #define ETHERTYPE_SG_BOUNCE 0x8016 /* SGI bounce server */
180 #define ETHERTYPE_APOLLODOMAIN 0x8019 /* Apollo DOMAIN */
181 #define ETHERTYPE_TYMSHARE 0x802E /* Tymeshare */
182 #define ETHERTYPE_TIGAN 0x802F /* Tigan, Inc. */
183 #define ETHERTYPE_REVARP 0x8035 /* Reverse addr resolution protocol */
184 #define ETHERTYPE_AEONIC 0x8036 /* Aeonic Systems */
185 #define ETHERTYPE_IPXNEW 0x8037 /* IPX (Novell Netware?) */
186 #define ETHERTYPE_LANBRIDGE 0x8038 /* DEC LANBridge */
187 #define ETHERTYPE_DSMD 0x8039 /* DEC DSM/DDP */
188 #define ETHERTYPE_ARGONAUT 0x803A /* DEC Argonaut Console */
189 #define ETHERTYPE_VAXELN 0x803B /* DEC VAXELN */
190 #define ETHERTYPE_DECDNS 0x803C /* DEC DNS Naming Service */
191 #define ETHERTYPE_ENCRYPT 0x803D /* DEC Ethernet Encryption */
192 #define ETHERTYPE_DECDTS 0x803E /* DEC Distributed Time Service */
193 #define ETHERTYPE_DECLTM 0x803F /* DEC LAN Traffic Monitor */
194 #define ETHERTYPE_DECNETBIOS 0x8040 /* DEC PATHWORKS DECnet NETBIOS Emulation */
195 #define ETHERTYPE_DECLAST 0x8041 /* DEC Local Area System Transport */
196  /* 0x8042 DEC Unassigned */
197 #define ETHERTYPE_PLANNING 0x8044 /* Planning Research Corp. */
198  /* 0x8046 - 0x8047 AT&T */
199 #define ETHERTYPE_DECAM 0x8048 /* DEC Availability Manager for Distributed Systems DECamds (but someone at DEC says not) */
200 #define ETHERTYPE_EXPERDATA 0x8049 /* ExperData */
201 #define ETHERTYPE_VEXP 0x805B /* Stanford V Kernel exp. */
202 #define ETHERTYPE_VPROD 0x805C /* Stanford V Kernel prod. */
203 #define ETHERTYPE_ES 0x805D /* Evans & Sutherland */
204 #define ETHERTYPE_LITTLE 0x8060 /* Little Machines */
205 #define ETHERTYPE_COUNTERPOINT 0x8062 /* Counterpoint Computers */
206  /* 0x8065 - 0x8066 Univ. of Mass @ Amherst */
207 #define ETHERTYPE_VEECO 0x8067 /* Veeco Integrated Auto. */
208 #define ETHERTYPE_GENDYN 0x8068 /* General Dynamics */
209 #define ETHERTYPE_ATT 0x8069 /* AT&T */
210 #define ETHERTYPE_AUTOPHON 0x806A /* Autophon */
211 #define ETHERTYPE_COMDESIGN 0x806C /* ComDesign */
212 #define ETHERTYPE_COMPUGRAPHIC 0x806D /* Compugraphic Corporation */
213  /* 0x806E - 0x8077 Landmark Graphics Corp. */
214 #define ETHERTYPE_MATRA 0x807A /* Matra */
215 #define ETHERTYPE_DDE 0x807B /* Dansk Data Elektronik */
216 #define ETHERTYPE_MERIT 0x807C /* Merit Internodal (or Univ of Michigan?) */
217  /* 0x807D - 0x807F Vitalink Communications */
218 #define ETHERTYPE_VLTLMAN 0x8080 /* Vitalink TransLAN III Management */
219  /* 0x8081 - 0x8083 Counterpoint Computers */
220  /* 0x8088 - 0x808A Xyplex */
221 #define ETHERTYPE_ATALK 0x809B /* AppleTalk */
222 #define ETHERTYPE_AT ETHERTYPE_ATALK /* old NetBSD */
223 #define ETHERTYPE_APPLETALK ETHERTYPE_ATALK /* HP-UX */
224  /* 0x809C - 0x809E Datability */
225 #define ETHERTYPE_SPIDER 0x809F /* Spider Systems Ltd. */
226  /* 0x80A3 Nixdorf */
227  /* 0x80A4 - 0x80B3 Siemens Gammasonics Inc. */
228  /* 0x80C0 - 0x80C3 DCA (Digital Comm. Assoc.) Data Exchange Cluster */
229  /* 0x80C4 - 0x80C5 Banyan Systems */
230 #define ETHERTYPE_PACER 0x80C6 /* Pacer Software */
231 #define ETHERTYPE_APPLITEK 0x80C7 /* Applitek Corporation */
232  /* 0x80C8 - 0x80CC Intergraph Corporation */
233  /* 0x80CD - 0x80CE Harris Corporation */
234  /* 0x80CF - 0x80D2 Taylor Instrument */
235  /* 0x80D3 - 0x80D4 Rosemount Corporation */
236 #define ETHERTYPE_SNA 0x80D5 /* IBM SNA Services over Ethernet */
237 #define ETHERTYPE_VARIAN 0x80DD /* Varian Associates */
238  /* 0x80DE - 0x80DF TRFS (Integrated Solutions Transparent Remote File System) */
239  /* 0x80E0 - 0x80E3 Allen-Bradley */
240  /* 0x80E4 - 0x80F0 Datability */
241 #define ETHERTYPE_RETIX 0x80F2 /* Retix */
242 #define ETHERTYPE_AARP 0x80F3 /* AppleTalk AARP */
243  /* 0x80F4 - 0x80F5 Kinetics */
244 #define ETHERTYPE_APOLLO 0x80F7 /* Apollo Computer */
245 #define ETHERTYPE_VLAN 0x8100 /* IEEE 802.1Q VLAN tagging (XXX conflicts) */
246  /* 0x80FF - 0x8101 Wellfleet Communications (XXX conflicts) */
247 #define ETHERTYPE_BOFL 0x8102 /* Wellfleet; BOFL (Breath OF Life) pkts [every 5-10 secs.] */
248 #define ETHERTYPE_WELLFLEET 0x8103 /* Wellfleet Communications */
249  /* 0x8107 - 0x8109 Symbolics Private */
250 #define ETHERTYPE_TALARIS 0x812B /* Talaris */
251 #define ETHERTYPE_WATERLOO 0x8130 /* Waterloo Microsystems Inc. (XXX which?) */
252 #define ETHERTYPE_HAYES 0x8130 /* Hayes Microcomputers (XXX which?) */
253 #define ETHERTYPE_VGLAB 0x8131 /* VG Laboratory Systems */
254  /* 0x8132 - 0x8137 Bridge Communications */
255 #define ETHERTYPE_IPX 0x8137 /* Novell (old) NetWare IPX (ECONFIG E option) */
256 #define ETHERTYPE_NOVELL 0x8138 /* Novell, Inc. */
257  /* 0x8139 - 0x813D KTI */
258 #define ETHERTYPE_MUMPS 0x813F /* M/MUMPS data sharing */
259 #define ETHERTYPE_AMOEBA 0x8145 /* Vrije Universiteit (NL) Amoeba 4 RPC (obsolete) */
260 #define ETHERTYPE_FLIP 0x8146 /* Vrije Universiteit (NL) FLIP (Fast Local Internet Protocol) */
261 #define ETHERTYPE_VURESERVED 0x8147 /* Vrije Universiteit (NL) [reserved] */
262 #define ETHERTYPE_LOGICRAFT 0x8148 /* Logicraft */
263 #define ETHERTYPE_NCD 0x8149 /* Network Computing Devices */
264 #define ETHERTYPE_ALPHA 0x814A /* Alpha Micro */
265 #define ETHERTYPE_SNMP 0x814C /* SNMP over Ethernet (see RFC1089) */
266  /* 0x814D - 0x814E BIIN */
267 #define ETHERTYPE_TEC 0x814F /* Technically Elite Concepts */
268 #define ETHERTYPE_RATIONAL 0x8150 /* Rational Corp */
269  /* 0x8151 - 0x8153 Qualcomm */
270  /* 0x815C - 0x815E Computer Protocol Pty Ltd */
271  /* 0x8164 - 0x8166 Charles River Data Systems */
272 #define ETHERTYPE_XTP 0x817D /* Protocol Engines XTP */
273 #define ETHERTYPE_SGITW 0x817E /* SGI/Time Warner prop. */
274 #define ETHERTYPE_HIPPI_FP 0x8180 /* HIPPI-FP encapsulation */
275 #define ETHERTYPE_STP 0x8181 /* Scheduled Transfer STP, HIPPI-ST */
276  /* 0x8182 - 0x8183 Reserved for HIPPI-6400 */
277  /* 0x8184 - 0x818C SGI prop. */
278 #define ETHERTYPE_MOTOROLA 0x818D /* Motorola */
279 #define ETHERTYPE_NETBEUI 0x8191 /* PowerLAN NetBIOS/NetBEUI (PC) */
280  /* 0x819A - 0x81A3 RAD Network Devices */
281  /* 0x81B7 - 0x81B9 Xyplex */
282  /* 0x81CC - 0x81D5 Apricot Computers */
283  /* 0x81D6 - 0x81DD Artisoft Lantastic */
284  /* 0x81E6 - 0x81EF Polygon */
285  /* 0x81F0 - 0x81F2 Comsat Labs */
286  /* 0x81F3 - 0x81F5 SAIC */
287  /* 0x81F6 - 0x81F8 VG Analytical */
288  /* 0x8203 - 0x8205 QNX Software Systems Ltd. */
289  /* 0x8221 - 0x8222 Ascom Banking Systems */
290  /* 0x823E - 0x8240 Advanced Encryption Systems */
291  /* 0x8263 - 0x826A Charles River Data Systems */
292  /* 0x827F - 0x8282 Athena Programming */
293  /* 0x829A - 0x829B Inst Ind Info Tech */
294  /* 0x829C - 0x82AB Taurus Controls */
295  /* 0x82AC - 0x8693 Walker Richer & Quinn */
296 #define ETHERTYPE_ACCTON 0x8390 /* Accton Technologies (unregistered) */
297 #define ETHERTYPE_TALARISMC 0x852B /* Talaris multicast */
298 #define ETHERTYPE_KALPANA 0x8582 /* Kalpana */
299  /* 0x8694 - 0x869D Idea Courier */
300  /* 0x869E - 0x86A1 Computer Network Tech */
301  /* 0x86A3 - 0x86AC Gateway Communications */
302 #define ETHERTYPE_SECTRA 0x86DB /* SECTRA */
303 #define ETHERTYPE_IPV6 0x86DD /* IP protocol version 6 */
304 #define ETHERTYPE_DELTACON 0x86DE /* Delta Controls */
305 #define ETHERTYPE_ATOMIC 0x86DF /* ATOMIC */
306  /* 0x86E0 - 0x86EF Landis & Gyr Powers */
307  /* 0x8700 - 0x8710 Motorola */
308 #define ETHERTYPE_RDP 0x8739 /* Control Technology Inc. RDP Without IP */
309 #define ETHERTYPE_MICP 0x873A /* Control Technology Inc. Mcast Industrial Ctrl Proto. */
310  /* 0x873B - 0x873C Control Technology Inc. Proprietary */
311 #define ETHERTYPE_TCPCOMP 0x876B /* TCP/IP Compression (RFC1701) */
312 #define ETHERTYPE_IPAS 0x876C /* IP Autonomous Systems (RFC1701) */
313 #define ETHERTYPE_SECUREDATA 0x876D /* Secure Data (RFC1701) */
314 #define ETHERTYPE_FLOWCONTROL 0x8808 /* 802.3x flow control packet */
315 #define ETHERTYPE_PPP 0x880B /* PPP (obsolete by PPPOE) */
316 #define ETHERTYPE_HITACHI 0x8820 /* Hitachi Cable (Optoelectronic Systems Laboratory) */
317 #define ETHERTYPE_MPLS 0x8847 /* MPLS Unicast */
318 #define ETHERTYPE_MPLS_MCAST 0x8848 /* MPLS Multicast */
319 #define ETHERTYPE_AXIS 0x8856 /* Axis Communications AB proprietary bootstrap/config */
320 #define ETHERTYPE_PPPOEDISC 0x8863 /* PPP Over Ethernet Discovery Stage */
321 #define ETHERTYPE_PPPOE 0x8864 /* PPP Over Ethernet Session Stage */
322 #define ETHERTYPE_LANPROBE 0x8888 /* HP LanProbe test? */
323 #define ETHERTYPE_PAE 0x888e /* EAPOL PAE/802.1x */
324 #define ETHERTYPE_LOOPBACK 0x9000 /* Loopback: used to test interfaces */
325 #define ETHERTYPE_LBACK ETHERTYPE_LOOPBACK /* DEC MOP loopback */
326 #define ETHERTYPE_XNSSM 0x9001 /* 3Com (Formerly Bridge Communications), XNS Systems Management */
327 #define ETHERTYPE_TCPSM 0x9002 /* 3Com (Formerly Bridge Communications), TCP/IP Systems Management */
328 #define ETHERTYPE_BCLOOP 0x9003 /* 3Com (Formerly Bridge Communications), loopback detection */
329 #define ETHERTYPE_DEBNI 0xAAAA /* DECNET? Used by VAX 6220 DEBNI */
330 #define ETHERTYPE_SONIX 0xFAF5 /* Sonix Arpeggio */
331 #define ETHERTYPE_VITAL 0xFF00 /* BBN VITAL-LanBridge cache wakeups */
332  /* 0xFF00 - 0xFFOF ISC Bunker Ramo */
333 
334 #define ETHERTYPE_MAX 0xFFFF /* Maximum valid ethernet type, reserved */
335 
336 /*
337  * The ETHERTYPE_NTRAILER packet types starting at ETHERTYPE_TRAIL have
338  * (type-ETHERTYPE_TRAIL)*512 bytes of data followed
339  * by an ETHER type (as given above) and then the (variable-length) header.
340  */
341 #define ETHERTYPE_TRAIL 0x1000 /* Trailer packet */
342 #define ETHERTYPE_NTRAILER 16
343 
344 #define ETHERMTU (ETHER_MAX_LEN-ETHER_HDR_LEN-ETHER_CRC_LEN)
345 #define ETHERMIN (ETHER_MIN_LEN-ETHER_HDR_LEN-ETHER_CRC_LEN)
346 #define ETHERMTU_JUMBO (ETHER_MAX_LEN_JUMBO - ETHER_HDR_LEN - ETHER_CRC_LEN)
347 
348 #ifdef _KERNEL
349 
350 struct ifnet;
351 struct mbuf;
352 struct rtentry;
353 struct sockaddr;
354 
355 extern uint32_t ether_crc32_le(const uint8_t *, size_t);
356 extern uint32_t ether_crc32_be(const uint8_t *, size_t);
357 extern void ether_demux(struct ifnet *, struct mbuf *);
358 extern void ether_ifattach(struct ifnet *);
359 extern void ether_ifdetach(struct ifnet *);
360 extern int ether_ioctl(struct ifnet *, ioctl_command_t, caddr_t);
361 extern void ether_input (struct ifnet *, struct ether_header *, struct mbuf *);
362 extern int ether_output(struct ifnet *,
363  struct mbuf *, struct sockaddr *, struct rtentry *);
364 extern int ether_output_frame(struct ifnet *, struct mbuf *);
365 extern char *ether_sprintf(const u_int8_t *);
366 
367 #else /* _KERNEL */
368 
369 #include <sys/cdefs.h>
370 
371 /*
372  * Ethernet address conversion/parsing routines.
373  */
374 __BEGIN_DECLS
375 struct ether_addr *ether_aton(const char *);
376 int ether_hostton(const char *, struct ether_addr *);
377 int ether_line(const char *, struct ether_addr *, char *);
378 char *ether_ntoa(const struct ether_addr *);
379 int ether_ntohost(char *, const struct ether_addr *);
380 __END_DECLS
381 
382 #endif /* !_KERNEL */
383 
384 #endif /* !_NET_ETHERNET_H_ */
ether_header
Definition: ethernet.h:62
sockaddr
Definition: socket.h:180
ifnet
Definition: if_var.h:99
mbuf
Definition: mbuf.h:103
ether_addr
Definition: ethernet.h:71
rtentry
Definition: route.h:104
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