Initial import from FreeBSD RELENG_4:
[dragonfly.git] / sys / net / ethernet.h
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1/*
2 * Fundamental constants relating to ethernet.
3 *
4 * $FreeBSD: src/sys/net/ethernet.h,v 1.12.2.8 2002/12/01 14:03:09 sobomax Exp $
5 *
6 */
7
8#ifndef _NET_ETHERNET_H_
9#define _NET_ETHERNET_H_
10
11/*
12 * The number of bytes in an ethernet (MAC) address.
13 */
14#define ETHER_ADDR_LEN 6
15
16/*
17 * The number of bytes in the type field.
18 */
19#define ETHER_TYPE_LEN 2
20
21/*
22 * The number of bytes in the trailing CRC field.
23 */
24#define ETHER_CRC_LEN 4
25
26/*
27 * The length of the combined header.
28 */
29#define ETHER_HDR_LEN (ETHER_ADDR_LEN*2+ETHER_TYPE_LEN)
30
31/*
32 * The minimum packet length.
33 */
34#define ETHER_MIN_LEN 64
35
36/*
37 * The maximum packet length.
38 */
39#define ETHER_MAX_LEN 1518
40
41/*
42 * A macro to validate a length with
43 */
44#define ETHER_IS_VALID_LEN(foo) \
45 ((foo) >= ETHER_MIN_LEN && (foo) <= ETHER_MAX_LEN)
46
47/*
48 * Structure of a 10Mb/s Ethernet header.
49 */
50struct ether_header {
51 u_char ether_dhost[ETHER_ADDR_LEN];
52 u_char ether_shost[ETHER_ADDR_LEN];
53 u_short ether_type;
54};
55
56/*
57 * Structure of a 48-bit Ethernet address.
58 */
59struct ether_addr {
60 u_char octet[ETHER_ADDR_LEN];
61};
62
63/*
64 * NOTE: 0x0000-0x05DC (0..1500) are generally IEEE 802.3 length fields.
65 * However, there are some conflicts.
66 */
67
68#define ETHERTYPE_8023 0x0004 /* IEEE 802.3 packet */
69 /* 0x0101 .. 0x1FF Experimental */
70#define ETHERTYPE_PUP 0x0200 /* Xerox PUP protocol - see 0A00 */
71#define ETHERTYPE_PUPAT 0x0200 /* PUP Address Translation - see 0A01 */
72#define ETHERTYPE_SPRITE 0x0500 /* ??? */
73 /* 0x0400 Nixdorf */
74#define ETHERTYPE_NS 0x0600 /* XNS */
75#define ETHERTYPE_NSAT 0x0601 /* XNS Address Translation (3Mb only) */
76#define ETHERTYPE_DLOG1 0x0660 /* DLOG (?) */
77#define ETHERTYPE_DLOG2 0x0661 /* DLOG (?) */
78#define ETHERTYPE_IP 0x0800 /* IP protocol */
79#define ETHERTYPE_X75 0x0801 /* X.75 Internet */
80#define ETHERTYPE_NBS 0x0802 /* NBS Internet */
81#define ETHERTYPE_ECMA 0x0803 /* ECMA Internet */
82#define ETHERTYPE_CHAOS 0x0804 /* CHAOSnet */
83#define ETHERTYPE_X25 0x0805 /* X.25 Level 3 */
84#define ETHERTYPE_ARP 0x0806 /* Address resolution protocol */
85#define ETHERTYPE_NSCOMPAT 0x0807 /* XNS Compatibility */
86#define ETHERTYPE_FRARP 0x0808 /* Frame Relay ARP (RFC1701) */
87 /* 0x081C Symbolics Private */
88 /* 0x0888 - 0x088A Xyplex */
89#define ETHERTYPE_UBDEBUG 0x0900 /* Ungermann-Bass network debugger */
90#define ETHERTYPE_IEEEPUP 0x0A00 /* Xerox IEEE802.3 PUP */
91#define ETHERTYPE_IEEEPUPAT 0x0A01 /* Xerox IEEE802.3 PUP Address Translation */
92#define ETHERTYPE_VINES 0x0BAD /* Banyan VINES */
93#define ETHERTYPE_VINESLOOP 0x0BAE /* Banyan VINES Loopback */
94#define ETHERTYPE_VINESECHO 0x0BAF /* Banyan VINES Echo */
95
96/* 0x1000 - 0x100F Berkeley Trailer */
97/*
98 * The ETHERTYPE_NTRAILER packet types starting at ETHERTYPE_TRAIL have
99 * (type-ETHERTYPE_TRAIL)*512 bytes of data followed
100 * by an ETHER type (as given above) and then the (variable-length) header.
101 */
102#define ETHERTYPE_TRAIL 0x1000 /* Trailer packet */
103#define ETHERTYPE_NTRAILER 16
104
105#define ETHERTYPE_DCA 0x1234 /* DCA - Multicast */
106#define ETHERTYPE_VALID 0x1600 /* VALID system protocol */
107#define ETHERTYPE_DOGFIGHT 0x1989 /* Artificial Horizons ("Aviator" dogfight simulator [on Sun]) */
108#define ETHERTYPE_RCL 0x1995 /* Datapoint Corporation (RCL lan protocol) */
109
110 /* The following 3C0x types
111 are unregistered: */
112#define ETHERTYPE_NBPVCD 0x3C00 /* 3Com NBP virtual circuit datagram (like XNS SPP) not registered */
113#define ETHERTYPE_NBPSCD 0x3C01 /* 3Com NBP System control datagram not registered */
114#define ETHERTYPE_NBPCREQ 0x3C02 /* 3Com NBP Connect request (virtual cct) not registered */
115#define ETHERTYPE_NBPCRSP 0x3C03 /* 3Com NBP Connect repsonse not registered */
116#define ETHERTYPE_NBPCC 0x3C04 /* 3Com NBP Connect complete not registered */
117#define ETHERTYPE_NBPCLREQ 0x3C05 /* 3Com NBP Close request (virtual cct) not registered */
118#define ETHERTYPE_NBPCLRSP 0x3C06 /* 3Com NBP Close response not registered */
119#define ETHERTYPE_NBPDG 0x3C07 /* 3Com NBP Datagram (like XNS IDP) not registered */
120#define ETHERTYPE_NBPDGB 0x3C08 /* 3Com NBP Datagram broadcast not registered */
121#define ETHERTYPE_NBPCLAIM 0x3C09 /* 3Com NBP Claim NetBIOS name not registered */
122#define ETHERTYPE_NBPDLTE 0x3C0A /* 3Com NBP Delete Netbios name not registered */
123#define ETHERTYPE_NBPRAS 0x3C0B /* 3Com NBP Remote adaptor status request not registered */
124#define ETHERTYPE_NBPRAR 0x3C0C /* 3Com NBP Remote adaptor response not registered */
125#define ETHERTYPE_NBPRST 0x3C0D /* 3Com NBP Reset not registered */
126
127#define ETHERTYPE_PCS 0x4242 /* PCS Basic Block Protocol */
128#define ETHERTYPE_IMLBLDIAG 0x424C /* Information Modes Little Big LAN diagnostic */
129#define ETHERTYPE_DIDDLE 0x4321 /* THD - Diddle */
130#define ETHERTYPE_IMLBL 0x4C42 /* Information Modes Little Big LAN */
131#define ETHERTYPE_SIMNET 0x5208 /* BBN Simnet Private */
132#define ETHERTYPE_DECEXPER 0x6000 /* DEC Unassigned, experimental */
133#define ETHERTYPE_MOPDL 0x6001 /* DEC MOP dump/load */
134#define ETHERTYPE_MOPRC 0x6002 /* DEC MOP remote console */
135#define ETHERTYPE_DECnet 0x6003 /* DEC DECNET Phase IV route */
136#define ETHERTYPE_DN ETHERTYPE_DECnet /* libpcap, tcpdump */
137#define ETHERTYPE_LAT 0x6004 /* DEC LAT */
138#define ETHERTYPE_DECDIAG 0x6005 /* DEC diagnostic protocol (at interface initialization?) */
139#define ETHERTYPE_DECCUST 0x6006 /* DEC customer protocol */
140#define ETHERTYPE_SCA 0x6007 /* DEC LAVC, SCA */
141#define ETHERTYPE_AMBER 0x6008 /* DEC AMBER */
142#define ETHERTYPE_DECMUMPS 0x6009 /* DEC MUMPS */
143 /* 0x6010 - 0x6014 3Com Corporation */
144#define ETHERTYPE_TRANSETHER 0x6558 /* Trans Ether Bridging (RFC1701)*/
145#define ETHERTYPE_RAWFR 0x6559 /* Raw Frame Relay (RFC1701) */
146#define ETHERTYPE_UBDL 0x7000 /* Ungermann-Bass download */
147#define ETHERTYPE_UBNIU 0x7001 /* Ungermann-Bass NIUs */
148#define ETHERTYPE_UBDIAGLOOP 0x7002 /* Ungermann-Bass diagnostic/loopback */
149#define ETHERTYPE_UBNMC 0x7003 /* Ungermann-Bass ??? (NMC to/from UB Bridge) */
150#define ETHERTYPE_UBBST 0x7005 /* Ungermann-Bass Bridge Spanning Tree */
151#define ETHERTYPE_OS9 0x7007 /* OS/9 Microware */
152#define ETHERTYPE_OS9NET 0x7009 /* OS/9 Net? */
153 /* 0x7020 - 0x7029 LRT (England) (now Sintrom) */
154#define ETHERTYPE_RACAL 0x7030 /* Racal-Interlan */
155#define ETHERTYPE_PRIMENTS 0x7031 /* Prime NTS (Network Terminal Service) */
156#define ETHERTYPE_CABLETRON 0x7034 /* Cabletron */
157#define ETHERTYPE_CRONUSVLN 0x8003 /* Cronus VLN */
158#define ETHERTYPE_CRONUS 0x8004 /* Cronus Direct */
159#define ETHERTYPE_HP 0x8005 /* HP Probe */
160#define ETHERTYPE_NESTAR 0x8006 /* Nestar */
161#define ETHERTYPE_ATTSTANFORD 0x8008 /* AT&T/Stanford (local use) */
162#define ETHERTYPE_EXCELAN 0x8010 /* Excelan */
163#define ETHERTYPE_SG_DIAG 0x8013 /* SGI diagnostic type */
164#define ETHERTYPE_SG_NETGAMES 0x8014 /* SGI network games */
165#define ETHERTYPE_SG_RESV 0x8015 /* SGI reserved type */
166#define ETHERTYPE_SG_BOUNCE 0x8016 /* SGI bounce server */
167#define ETHERTYPE_APOLLODOMAIN 0x8019 /* Apollo DOMAIN */
168#define ETHERTYPE_TYMSHARE 0x802E /* Tymeshare */
169#define ETHERTYPE_TIGAN 0x802F /* Tigan, Inc. */
170#define ETHERTYPE_REVARP 0x8035 /* Reverse addr resolution protocol */
171#define ETHERTYPE_AEONIC 0x8036 /* Aeonic Systems */
172#define ETHERTYPE_IPXNEW 0x8037 /* IPX (Novell Netware?) */
173#define ETHERTYPE_LANBRIDGE 0x8038 /* DEC LANBridge */
174#define ETHERTYPE_DSMD 0x8039 /* DEC DSM/DDP */
175#define ETHERTYPE_ARGONAUT 0x803A /* DEC Argonaut Console */
176#define ETHERTYPE_VAXELN 0x803B /* DEC VAXELN */
177#define ETHERTYPE_DECDNS 0x803C /* DEC DNS Naming Service */
178#define ETHERTYPE_ENCRYPT 0x803D /* DEC Ethernet Encryption */
179#define ETHERTYPE_DECDTS 0x803E /* DEC Distributed Time Service */
180#define ETHERTYPE_DECLTM 0x803F /* DEC LAN Traffic Monitor */
181#define ETHERTYPE_DECNETBIOS 0x8040 /* DEC PATHWORKS DECnet NETBIOS Emulation */
182#define ETHERTYPE_DECLAST 0x8041 /* DEC Local Area System Transport */
183 /* 0x8042 DEC Unassigned */
184#define ETHERTYPE_PLANNING 0x8044 /* Planning Research Corp. */
185 /* 0x8046 - 0x8047 AT&T */
186#define ETHERTYPE_DECAM 0x8048 /* DEC Availability Manager for Distributed Systems DECamds (but someone at DEC says not) */
187#define ETHERTYPE_EXPERDATA 0x8049 /* ExperData */
188#define ETHERTYPE_VEXP 0x805B /* Stanford V Kernel exp. */
189#define ETHERTYPE_VPROD 0x805C /* Stanford V Kernel prod. */
190#define ETHERTYPE_ES 0x805D /* Evans & Sutherland */
191#define ETHERTYPE_LITTLE 0x8060 /* Little Machines */
192#define ETHERTYPE_COUNTERPOINT 0x8062 /* Counterpoint Computers */
193 /* 0x8065 - 0x8066 Univ. of Mass @ Amherst */
194#define ETHERTYPE_VEECO 0x8067 /* Veeco Integrated Auto. */
195#define ETHERTYPE_GENDYN 0x8068 /* General Dynamics */
196#define ETHERTYPE_ATT 0x8069 /* AT&T */
197#define ETHERTYPE_AUTOPHON 0x806A /* Autophon */
198#define ETHERTYPE_COMDESIGN 0x806C /* ComDesign */
199#define ETHERTYPE_COMPUGRAPHIC 0x806D /* Compugraphic Corporation */
200 /* 0x806E - 0x8077 Landmark Graphics Corp. */
201#define ETHERTYPE_MATRA 0x807A /* Matra */
202#define ETHERTYPE_DDE 0x807B /* Dansk Data Elektronik */
203#define ETHERTYPE_MERIT 0x807C /* Merit Internodal (or Univ of Michigan?) */
204 /* 0x807D - 0x807F Vitalink Communications */
205#define ETHERTYPE_VLTLMAN 0x8080 /* Vitalink TransLAN III Management */
206 /* 0x8081 - 0x8083 Counterpoint Computers */
207 /* 0x8088 - 0x808A Xyplex */
208#define ETHERTYPE_ATALK 0x809B /* AppleTalk */
209#define ETHERTYPE_AT ETHERTYPE_ATALK /* old NetBSD */
210#define ETHERTYPE_APPLETALK ETHERTYPE_ATALK /* HP-UX */
211 /* 0x809C - 0x809E Datability */
212#define ETHERTYPE_SPIDER 0x809F /* Spider Systems Ltd. */
213 /* 0x80A3 Nixdorf */
214 /* 0x80A4 - 0x80B3 Siemens Gammasonics Inc. */
215 /* 0x80C0 - 0x80C3 DCA (Digital Comm. Assoc.) Data Exchange Cluster */
216 /* 0x80C4 - 0x80C5 Banyan Systems */
217#define ETHERTYPE_PACER 0x80C6 /* Pacer Software */
218#define ETHERTYPE_APPLITEK 0x80C7 /* Applitek Corporation */
219 /* 0x80C8 - 0x80CC Intergraph Corporation */
220 /* 0x80CD - 0x80CE Harris Corporation */
221 /* 0x80CF - 0x80D2 Taylor Instrument */
222 /* 0x80D3 - 0x80D4 Rosemount Corporation */
223#define ETHERTYPE_SNA 0x80D5 /* IBM SNA Services over Ethernet */
224#define ETHERTYPE_VARIAN 0x80DD /* Varian Associates */
225 /* 0x80DE - 0x80DF TRFS (Integrated Solutions Transparent Remote File System) */
226 /* 0x80E0 - 0x80E3 Allen-Bradley */
227 /* 0x80E4 - 0x80F0 Datability */
228#define ETHERTYPE_RETIX 0x80F2 /* Retix */
229#define ETHERTYPE_AARP 0x80F3 /* AppleTalk AARP */
230 /* 0x80F4 - 0x80F5 Kinetics */
231#define ETHERTYPE_APOLLO 0x80F7 /* Apollo Computer */
232#define ETHERTYPE_VLAN 0x8100 /* IEEE 802.1Q VLAN tagging (XXX conflicts) */
233 /* 0x80FF - 0x8101 Wellfleet Communications (XXX conflicts) */
234#define ETHERTYPE_BOFL 0x8102 /* Wellfleet; BOFL (Breath OF Life) pkts [every 5-10 secs.] */
235#define ETHERTYPE_WELLFLEET 0x8103 /* Wellfleet Communications */
236 /* 0x8107 - 0x8109 Symbolics Private */
237#define ETHERTYPE_TALARIS 0x812B /* Talaris */
238#define ETHERTYPE_WATERLOO 0x8130 /* Waterloo Microsystems Inc. (XXX which?) */
239#define ETHERTYPE_HAYES 0x8130 /* Hayes Microcomputers (XXX which?) */
240#define ETHERTYPE_VGLAB 0x8131 /* VG Laboratory Systems */
241 /* 0x8132 - 0x8137 Bridge Communications */
242#define ETHERTYPE_IPX 0x8137 /* Novell (old) NetWare IPX (ECONFIG E option) */
243#define ETHERTYPE_NOVELL 0x8138 /* Novell, Inc. */
244 /* 0x8139 - 0x813D KTI */
245#define ETHERTYPE_MUMPS 0x813F /* M/MUMPS data sharing */
246#define ETHERTYPE_AMOEBA 0x8145 /* Vrije Universiteit (NL) Amoeba 4 RPC (obsolete) */
247#define ETHERTYPE_FLIP 0x8146 /* Vrije Universiteit (NL) FLIP (Fast Local Internet Protocol) */
248#define ETHERTYPE_VURESERVED 0x8147 /* Vrije Universiteit (NL) [reserved] */
249#define ETHERTYPE_LOGICRAFT 0x8148 /* Logicraft */
250#define ETHERTYPE_NCD 0x8149 /* Network Computing Devices */
251#define ETHERTYPE_ALPHA 0x814A /* Alpha Micro */
252#define ETHERTYPE_SNMP 0x814C /* SNMP over Ethernet (see RFC1089) */
253 /* 0x814D - 0x814E BIIN */
254#define ETHERTYPE_TEC 0x814F /* Technically Elite Concepts */
255#define ETHERTYPE_RATIONAL 0x8150 /* Rational Corp */
256 /* 0x8151 - 0x8153 Qualcomm */
257 /* 0x815C - 0x815E Computer Protocol Pty Ltd */
258 /* 0x8164 - 0x8166 Charles River Data Systems */
259#define ETHERTYPE_XTP 0x817D /* Protocol Engines XTP */
260#define ETHERTYPE_SGITW 0x817E /* SGI/Time Warner prop. */
261#define ETHERTYPE_HIPPI_FP 0x8180 /* HIPPI-FP encapsulation */
262#define ETHERTYPE_STP 0x8181 /* Scheduled Transfer STP, HIPPI-ST */
263 /* 0x8182 - 0x8183 Reserved for HIPPI-6400 */
264 /* 0x8184 - 0x818C SGI prop. */
265#define ETHERTYPE_MOTOROLA 0x818D /* Motorola */
266#define ETHERTYPE_NETBEUI 0x8191 /* PowerLAN NetBIOS/NetBEUI (PC) */
267 /* 0x819A - 0x81A3 RAD Network Devices */
268 /* 0x81B7 - 0x81B9 Xyplex */
269 /* 0x81CC - 0x81D5 Apricot Computers */
270 /* 0x81D6 - 0x81DD Artisoft Lantastic */
271 /* 0x81E6 - 0x81EF Polygon */
272 /* 0x81F0 - 0x81F2 Comsat Labs */
273 /* 0x81F3 - 0x81F5 SAIC */
274 /* 0x81F6 - 0x81F8 VG Analytical */
275 /* 0x8203 - 0x8205 QNX Software Systems Ltd. */
276 /* 0x8221 - 0x8222 Ascom Banking Systems */
277 /* 0x823E - 0x8240 Advanced Encryption Systems */
278 /* 0x8263 - 0x826A Charles River Data Systems */
279 /* 0x827F - 0x8282 Athena Programming */
280 /* 0x829A - 0x829B Inst Ind Info Tech */
281 /* 0x829C - 0x82AB Taurus Controls */
282 /* 0x82AC - 0x8693 Walker Richer & Quinn */
283#define ETHERTYPE_ACCTON 0x8390 /* Accton Technologies (unregistered) */
284#define ETHERTYPE_TALARISMC 0x852B /* Talaris multicast */
285#define ETHERTYPE_KALPANA 0x8582 /* Kalpana */
286 /* 0x8694 - 0x869D Idea Courier */
287 /* 0x869E - 0x86A1 Computer Network Tech */
288 /* 0x86A3 - 0x86AC Gateway Communications */
289#define ETHERTYPE_SECTRA 0x86DB /* SECTRA */
290#define ETHERTYPE_IPV6 0x86DD /* IP protocol version 6 */
291#define ETHERTYPE_DELTACON 0x86DE /* Delta Controls */
292#define ETHERTYPE_ATOMIC 0x86DF /* ATOMIC */
293 /* 0x86E0 - 0x86EF Landis & Gyr Powers */
294 /* 0x8700 - 0x8710 Motorola */
295#define ETHERTYPE_RDP 0x8739 /* Control Technology Inc. RDP Without IP */
296#define ETHERTYPE_MICP 0x873A /* Control Technology Inc. Mcast Industrial Ctrl Proto. */
297 /* 0x873B - 0x873C Control Technology Inc. Proprietary */
298#define ETHERTYPE_TCPCOMP 0x876B /* TCP/IP Compression (RFC1701) */
299#define ETHERTYPE_IPAS 0x876C /* IP Autonomous Systems (RFC1701) */
300#define ETHERTYPE_SECUREDATA 0x876D /* Secure Data (RFC1701) */
301#define ETHERTYPE_FLOWCONTROL 0x8808 /* 802.3x flow control packet */
302#define ETHERTYPE_PPP 0x880B /* PPP (obsolete by PPPOE) */
303#define ETHERTYPE_HITACHI 0x8820 /* Hitachi Cable (Optoelectronic Systems Laboratory) */
304#define ETHERTYPE_MPLS 0x8847 /* MPLS Unicast */
305#define ETHERTYPE_MPLS_MCAST 0x8848 /* MPLS Multicast */
306#define ETHERTYPE_AXIS 0x8856 /* Axis Communications AB proprietary bootstrap/config */
307#define ETHERTYPE_PPPOEDISC 0x8863 /* PPP Over Ethernet Discovery Stage */
308#define ETHERTYPE_PPPOE 0x8864 /* PPP Over Ethernet Session Stage */
309#define ETHERTYPE_LANPROBE 0x8888 /* HP LanProbe test? */
310#define ETHERTYPE_LOOPBACK 0x9000 /* Loopback: used to test interfaces */
311#define ETHERTYPE_LBACK ETHERTYPE_LOOPBACK /* DEC MOP loopback */
312#define ETHERTYPE_XNSSM 0x9001 /* 3Com (Formerly Bridge Communications), XNS Systems Management */
313#define ETHERTYPE_TCPSM 0x9002 /* 3Com (Formerly Bridge Communications), TCP/IP Systems Management */
314#define ETHERTYPE_BCLOOP 0x9003 /* 3Com (Formerly Bridge Communications), loopback detection */
315#define ETHERTYPE_DEBNI 0xAAAA /* DECNET? Used by VAX 6220 DEBNI */
316#define ETHERTYPE_SONIX 0xFAF5 /* Sonix Arpeggio */
317#define ETHERTYPE_VITAL 0xFF00 /* BBN VITAL-LanBridge cache wakeups */
318 /* 0xFF00 - 0xFFOF ISC Bunker Ramo */
319
320#define ETHERTYPE_MAX 0xFFFF /* Maximum valid ethernet type, reserved */
321
322/*
323 * The ETHERTYPE_NTRAILER packet types starting at ETHERTYPE_TRAIL have
324 * (type-ETHERTYPE_TRAIL)*512 bytes of data followed
325 * by an ETHER type (as given above) and then the (variable-length) header.
326 */
327#define ETHERTYPE_TRAIL 0x1000 /* Trailer packet */
328#define ETHERTYPE_NTRAILER 16
329
330#define ETHERMTU (ETHER_MAX_LEN-ETHER_HDR_LEN-ETHER_CRC_LEN)
331#define ETHERMIN (ETHER_MIN_LEN-ETHER_HDR_LEN-ETHER_CRC_LEN)
332
333#ifdef _KERNEL
334
335/*
336 * For device drivers to specify whether they support BPF or not
337 */
338#define ETHER_BPF_UNSUPPORTED 0
339#define ETHER_BPF_SUPPORTED 1
340
341struct ifnet;
342struct mbuf;
343
344extern void (*ng_ether_input_p)(struct ifnet *ifp,
345 struct mbuf **mp, struct ether_header *eh);
346extern void (*ng_ether_input_orphan_p)(struct ifnet *ifp,
347 struct mbuf *m, struct ether_header *eh);
348extern int (*ng_ether_output_p)(struct ifnet *ifp, struct mbuf **mp);
349extern void (*ng_ether_attach_p)(struct ifnet *ifp);
350extern void (*ng_ether_detach_p)(struct ifnet *ifp);
351
352extern int (*vlan_input_p)(struct ether_header *eh, struct mbuf *m);
353extern int (*vlan_input_tag_p)(struct ether_header *eh, struct mbuf *m,
354 u_int16_t t);
355
356#define VLAN_INPUT_TAG(eh, m, t) do { \
357 /* XXX: lock */ \
358 if (vlan_input_tag_p != NULL) \
359 (*vlan_input_tag_p)(eh, m, t); \
360 else { \
361 (m)->m_pkthdr.rcvif->if_noproto++; \
362 m_freem(m); \
363 } \
364 /* XXX: unlock */ \
365} while (0)
366
367#else /* _KERNEL */
368
369#include <sys/cdefs.h>
370
371/*
372 * Ethernet address conversion/parsing routines.
373 */
374__BEGIN_DECLS
375struct ether_addr *ether_aton __P((const char *));
376int ether_hostton __P((const char *, struct ether_addr *));
377int ether_line __P((const char *, struct ether_addr *, char *));
378char *ether_ntoa __P((const struct ether_addr *));
379int ether_ntohost __P((char *, const struct ether_addr *));
380__END_DECLS
381
382#endif /* !_KERNEL */
383
384#endif /* !_NET_ETHERNET_H_ */