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root/cebix/SheepShaver/src/include/ether_defs.h
Revision: 1.5
Committed: 2004-12-18T18:43:25Z (19 years, 10 months ago) by gbeauche
Content type: text/plain
Branch: MAIN
Changes since 1.4: +2 -2 lines
Log Message:
Shut up remaining warnings as we are now sure pointers are allocated in
MacOS address space. TODO: add checks to be sure?

File Contents

# User Rev Content
1 cebix 1.1 /*
2     * ether_defs.h - Definitions for DLPI Ethernet Driver
3     *
4 cebix 1.2 * SheepShaver (C) 1997-2004 Marc Hellwig and Christian Bauer
5 cebix 1.1 *
6     * This program is free software; you can redistribute it and/or modify
7     * it under the terms of the GNU General Public License as published by
8     * the Free Software Foundation; either version 2 of the License, or
9     * (at your option) any later version.
10     *
11     * This program is distributed in the hope that it will be useful,
12     * but WITHOUT ANY WARRANTY; without even the implied warranty of
13     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14     * GNU General Public License for more details.
15     *
16     * You should have received a copy of the GNU General Public License
17     * along with this program; if not, write to the Free Software
18     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19     */
20    
21     #ifndef ETHER_DEFS_H
22     #define ETHER_DEFS_H
23    
24    
25     #if __BEOS__ && __POWERPC__
26     #define PRAGMA_ALIGN_SUPPORTED 1
27     #define PACKED__
28     #else
29     #define PACKED__ __attribute__ ((packed))
30     #endif
31    
32    
33     /*
34     * Macros
35     */
36    
37     // Get pointer to the read queue, assumes 'q' is a write queue ptr
38     #define RD(q) (&q[-1])
39    
40     // Get pointer to the write queue, assumes 'q' is a read queue ptr
41     #define WR(q) (&q[1])
42    
43     #define OTCompare48BitAddresses(p1, p2) \
44     (*(const uint32*)((const uint8*)(p1)) == *(const uint32*)((const uint8*)(p2)) && \
45     *(const uint16*)(((const uint8*)(p1))+4) == *(const uint16*)(((const uint8*)(p2))+4) )
46    
47     #define OTCopy48BitAddress(p1, p2) \
48     (*(uint32*)((uint8*)(p2)) = *(const uint32*)((const uint8*)(p1)), \
49     *(uint16*)(((uint8*)(p2))+4) = *(const uint16*)(((const uint8*)(p1))+4) )
50    
51     #define OTClear48BitAddress(p1) \
52     (*(uint32*)((uint8*)(p1)) = 0, \
53     *(uint16*)(((uint8*)(p1))+4) = 0 )
54    
55     #define OTCompare8022SNAP(p1, p2) \
56     (*(const uint32*)((const uint8*)(p1)) == *(const uint32*)((const uint8*)(p2)) && \
57     *(((const uint8*)(p1))+4) == *(((const uint8*)(p2))+4) )
58    
59     #define OTCopy8022SNAP(p1, p2) \
60     (*(uint32*)((uint8*)(p2)) = *(const uint32*)((const uint8*)(p1)), \
61     *(((uint8*)(p2))+4) = *(((const uint8*)(p1))+4) )
62    
63     #define OTIs48BitBroadcastAddress(p1) \
64     (*(uint32*)((uint8*)(p1)) == 0xffffffff && \
65     *(uint16*)(((uint8*)(p1))+4) == 0xffff )
66    
67     #define OTSet48BitBroadcastAddress(p1) \
68     (*(uint32*)((uint8*)(p1)) = 0xffffffff, \
69     *(uint16*)(((uint8*)(p1))+4) = 0xffff )
70    
71     #define OTIs48BitZeroAddress(p1) \
72     (*(uint32*)((uint8*)(p1)) == 0 && \
73     *(uint16*)(((uint8*)(p1))+4) == 0 )
74    
75    
76     /*
77     * Constants
78     */
79    
80     enum {
81     // Address and packet lengths
82     kEnetPhysicalAddressLength = 6,
83     k8022SAPLength = 1,
84     k8022DLSAPLength = 2,
85     k8022SNAPLength = 5,
86     kMaxBoundAddrLength = 6 + 2 + 5, // addr/SAP/SNAP
87     kEnetAndSAPAddressLength = kEnetPhysicalAddressLength + k8022DLSAPLength,
88     kEnetPacketHeaderLength = (2 * kEnetPhysicalAddressLength) + k8022DLSAPLength,
89     k8022BasicHeaderLength = 3, // SSAP/DSAP/Control
90     k8022SNAPHeaderLength = k8022SNAPLength + k8022BasicHeaderLength,
91     kMinDIXSAP = 1501,
92     kEnetTSDU = 1514,
93    
94     // Special addresses
95     kSNAPSAP = 0xaa,
96     kMax8022SAP = 0xfe,
97     k8022GlobalSAP = 0xff,
98     kIPXSAP = 0xff,
99    
100     // DLPI interface states
101     DL_UNBOUND = 0,
102    
103     // Message types
104     M_DATA = 0,
105     M_PROTO = 1,
106     M_IOCTL = 14,
107     M_IOCACK = 129,
108     M_IOCNAK = 130,
109     M_PCPROTO = 131, // priority message
110     M_FLUSH = 134,
111     FLUSHDATA = 0,
112     FLUSHALL = 1,
113     FLUSHR = 1,
114     FLUSHW = 2,
115     FLUSHRW = 3,
116    
117     // DLPI primitives
118     DL_INFO_REQ = 0,
119     DL_BIND_REQ = 1,
120     DL_PEER_BIND = 1,
121     DL_HIERARCHICAL_BIND = 2,
122     DL_UNBIND_REQ = 2,
123     DL_INFO_ACK = 3,
124     DL_BIND_ACK = 4,
125     DL_ERROR_ACK = 5,
126     DL_OK_ACK = 6,
127     DL_UNITDATA_REQ = 7,
128     DL_UNITDATA_IND = 8,
129     DL_UDERROR_IND = 9,
130     DL_SUBS_UNBIND_REQ = 21,
131     DL_SUBS_BIND_REQ = 27,
132     DL_SUBS_BIND_ACK = 28,
133     DL_ENABMULTI_REQ = 29,
134     DL_DISABMULTI_REQ = 30,
135     DL_PHYS_ADDR_REQ = 49,
136     DL_PHYS_ADDR_ACK = 50,
137     DL_FACT_PHYS_ADDR = 1,
138     DL_CURR_PHYS_ADDR = 2,
139    
140     // DLPI states
141     DL_IDLE = 3,
142    
143     // DLPI error codes
144     DL_BADADDR = 1, // improper address format
145     DL_OUTSTATE = 3, // improper state
146     DL_SYSERR = 4, // UNIX system error
147     DL_UNSUPPORTED = 7, // service unsupported
148     DL_BADPRIM = 9, // primitive unknown
149     DL_NOTSUPPORTED = 18, // primitive not implemented
150     DL_TOOMANY = 19, // limit exceeded
151    
152     // errnos
153     MAC_ENXIO = 6,
154     MAC_ENOMEM = 12,
155     MAC_EINVAL = 22,
156    
157     // Various DLPI constants
158     DL_CLDLS = 2, // connectionless data link service
159     DL_STYLE1 = 0x500,
160     DL_VERSION_2 = 2,
161     DL_CSMACD = 0,
162     DL_ETHER = 4,
163     DL_UNKNOWN = -1,
164    
165     // ioctl() codes
166     I_OTSetFramingType = (('O' << 8) | 2),
167     kOTGetFramingValue = -1,
168     kOTFramingEthernet = 1,
169     kOTFramingEthernetIPX = 2,
170     kOTFramingEthernet8023 = 4,
171     kOTFraming8022 = 8,
172     I_OTSetRawMode = (('O' << 8) | 3),
173     DL_IOC_HDR_INFO = (('l' << 8) | 10),
174    
175     // Buffer allocation priority
176     BPRI_LO = 1,
177     BPRI_HI = 3,
178    
179     // Misc constants
180     kEnetModuleID = 7101
181     };
182    
183     enum EAddrType {
184     keaStandardAddress = 0,
185     keaMulticast,
186     keaBroadcast,
187     keaBadAddress
188     };
189    
190    
191     /*
192 gbeauche 1.3 * Data member wrappers
193     */
194    
195 gbeauche 1.4 // Forward declarations
196     struct datab;
197     struct msgb;
198     struct queue;
199     struct multicast_node;
200     struct DLPIStream;
201    
202     // Optimize for 32-bit big endian targets
203     #if defined(WORDS_BIGENDIAN) && (SIZEOF_VOID_P == 4)
204    
205     // Predefined member types
206     typedef int8 nw_int8;
207     typedef int16 nw_int16;
208     typedef int32 nw_int32;
209     typedef uint8 nw_uint8;
210     typedef uint16 nw_uint16;
211     typedef uint32 nw_uint32;
212     typedef bool nw_bool;
213     typedef uint8 * nw_uint8_p;
214     typedef void * nw_void_p;
215     typedef datab * nw_datab_p;
216     typedef msgb * nw_msgb_p;
217     typedef queue * nw_queue_p;
218     typedef multicast_node *nw_multicast_node_p;
219     typedef DLPIStream * nw_DLPIStream_p;
220    
221     #else
222    
223 gbeauche 1.3 // Big-endian memory accessor
224     template< int nbytes >
225     struct nw_memory_helper;
226    
227     template<>
228     struct nw_memory_helper<1> {
229     static inline uint8 load(void *ptr) { return *((uint8 *)ptr); }
230     static inline void store(void *ptr, uint8 val) { *((uint8 *)ptr) = val; }
231     };
232    
233     template<>
234     struct nw_memory_helper<2> {
235     static inline uint16 load(void *ptr) { return ntohs(*((uint16 *)ptr)); }
236     static inline void store(void *ptr, uint16 val) { *((uint16 *)ptr) = htons(val); }
237     };
238    
239     template<>
240     struct nw_memory_helper<4> {
241     static inline uint32 load(void *ptr) { return ntohl(*((uint32 *)ptr)); }
242     static inline void store(void *ptr, uint32 val) { *((uint32 *)ptr) = htonl(val); }
243     };
244    
245     // Scalar data member wrapper (specialise for pointer member types?)
246     template< class type, class public_type >
247     class nw_scalar_member_helper {
248     uint8 _pad[sizeof(type)];
249     public:
250     operator public_type () const {
251 gbeauche 1.5 return (public_type)(uintptr)nw_memory_helper<sizeof(type)>::load((void *)this);
252 gbeauche 1.3 }
253     public_type operator -> () const {
254     return this->operator public_type ();
255     }
256     nw_scalar_member_helper<type, public_type> & operator = (public_type val) {
257 gbeauche 1.5 nw_memory_helper<sizeof(type)>::store((void *)this, (type)(uintptr)val);
258 gbeauche 1.3 return *this;
259     }
260     nw_scalar_member_helper<type, public_type> & operator += (int val) {
261     *this = *this + val;
262     return *this;
263     }
264     nw_scalar_member_helper<type, public_type> & operator -= (int val) {
265     *this = *this - val;
266     return *this;
267     }
268     nw_scalar_member_helper<type, public_type> & operator &= (int val) {
269     *this = *this & val;
270     return *this;
271     }
272     nw_scalar_member_helper<type, public_type> & operator |= (int val) {
273     *this = *this | val;
274     return *this;
275     }
276     };
277    
278     // Predefined member types
279     typedef nw_scalar_member_helper<uint8, int8> nw_int8;
280     typedef nw_scalar_member_helper<uint16, int16> nw_int16;
281     typedef nw_scalar_member_helper<uint32, int32> nw_int32;
282     typedef nw_scalar_member_helper<uint8, uint8> nw_uint8;
283     typedef nw_scalar_member_helper<uint16, uint16> nw_uint16;
284     typedef nw_scalar_member_helper<uint32, uint32> nw_uint32;
285     typedef nw_scalar_member_helper<int, bool> nw_bool;
286     typedef nw_scalar_member_helper<uint32, uint8 *> nw_uint8_p;
287     typedef nw_scalar_member_helper<uint32, void *> nw_void_p;
288     typedef nw_scalar_member_helper<uint32, datab *> nw_datab_p;
289     typedef nw_scalar_member_helper<uint32, msgb *> nw_msgb_p;
290     typedef nw_scalar_member_helper<uint32, queue *> nw_queue_p;
291     typedef nw_scalar_member_helper<uint32, multicast_node *> nw_multicast_node_p;
292 gbeauche 1.4 typedef nw_scalar_member_helper<uint32, DLPIStream *> nw_DLPIStream_p;
293 gbeauche 1.3
294 gbeauche 1.4 #endif
295 gbeauche 1.3
296    
297     /*
298 cebix 1.1 * Structures
299     */
300    
301     // Data block
302     struct datab {
303 gbeauche 1.3 nw_datab_p db_freep;
304     nw_uint8_p db_base;
305     nw_uint8_p db_lim;
306     nw_uint8 db_ref;
307     nw_uint8 db_type;
308 cebix 1.1 // ...
309     };
310    
311     // Message block
312     struct msgb {
313 gbeauche 1.3 nw_msgb_p b_next;
314     nw_msgb_p b_prev;
315     nw_msgb_p b_cont;
316     nw_uint8_p b_rptr;
317     nw_uint8_p b_wptr;
318     nw_datab_p b_datap;
319 cebix 1.1 // ...
320     };
321    
322     // Queue (full structure required because of size)
323     struct queue {
324 gbeauche 1.3 nw_void_p q_qinfo;
325     nw_msgb_p q_first;
326     nw_msgb_p q_last;
327     nw_queue_p q_next;
328     nw_queue_p q_link;
329     nw_DLPIStream_p q_ptr;
330     nw_uint32 q_count;
331     nw_int32 q_minpsz;
332     nw_int32 q_maxpsz;
333     nw_uint32 q_hiwat;
334     nw_uint32 q_lowat;
335     nw_void_p q_bandp;
336     nw_uint16 q_flag;
337     nw_uint8 q_nband;
338     uint8 _q_pad1[1];
339     nw_void_p q_osx;
340     nw_queue_p q_ffcp;
341     nw_queue_p q_bfcp;
342 cebix 1.1 };
343     typedef struct queue queue_t;
344    
345     // M_IOCTL parameters
346     struct iocblk {
347 gbeauche 1.3 nw_int32 ioc_cmd;
348     nw_void_p ioc_cr;
349     nw_uint32 ioc_id;
350     nw_uint32 ioc_count;
351     nw_int32 ioc_error;
352     nw_int32 ioc_rval;
353     int32 _ioc_filler[4];
354 cebix 1.1 };
355    
356     // Priority specification
357     struct dl_priority_t {
358 gbeauche 1.3 nw_int32 dl_min, dl_max;
359 cebix 1.1 };
360    
361     // DPLI primitives
362     struct dl_info_req_t {
363 gbeauche 1.3 nw_uint32 dl_primitive; // DL_INFO_REQ
364 cebix 1.1 };
365    
366     struct dl_info_ack_t {
367 gbeauche 1.3 nw_uint32 dl_primitive; // DL_INFO_ACK
368     nw_uint32 dl_max_sdu;
369     nw_uint32 dl_min_sdu;
370     nw_uint32 dl_addr_length;
371     nw_uint32 dl_mac_type;
372     nw_uint32 dl_reserved;
373     nw_uint32 dl_current_state;
374     nw_int32 dl_sap_length;
375     nw_uint32 dl_service_mode;
376     nw_uint32 dl_qos_length;
377     nw_uint32 dl_qos_offset;
378     nw_uint32 dl_qos_range_length;
379     nw_uint32 dl_qos_range_offset;
380     nw_uint32 dl_provider_style;
381     nw_uint32 dl_addr_offset;
382     nw_uint32 dl_version;
383     nw_uint32 dl_brdcst_addr_length;
384     nw_uint32 dl_brdcst_addr_offset;
385     nw_uint32 dl_growth;
386 cebix 1.1 };
387    
388     struct dl_bind_req_t {
389 gbeauche 1.3 nw_uint32 dl_primitive; // DL_BIND_REQ
390     nw_uint32 dl_sap;
391     nw_uint32 dl_max_conind;
392     nw_uint16 dl_service_mode;
393     nw_uint16 dl_conn_mgmt;
394     nw_uint32 dl_xidtest_flg;
395 cebix 1.1 };
396    
397     struct dl_bind_ack_t {
398 gbeauche 1.3 nw_uint32 dl_primitive; // DL_BIND_ACK
399     nw_uint32 dl_sap;
400     nw_uint32 dl_addr_length;
401     nw_uint32 dl_addr_offset;
402     nw_uint32 dl_max_conind;
403     nw_uint32 dl_xidtest_flg;
404 cebix 1.1 };
405    
406     struct dl_error_ack_t {
407 gbeauche 1.3 nw_uint32 dl_primitive; // DL_ERROR_ACK
408     nw_uint32 dl_error_primitive;
409     nw_uint32 dl_errno;
410     nw_uint32 dl_unix_errno;
411 cebix 1.1 };
412    
413     struct dl_ok_ack_t {
414 gbeauche 1.3 nw_uint32 dl_primitive; // DL_ERROR_ACK
415     nw_uint32 dl_correct_primitive;
416 cebix 1.1 };
417    
418     struct dl_unitdata_req_t {
419 gbeauche 1.3 nw_uint32 dl_primitive; // DL_UNITDATA_REQ
420     nw_uint32 dl_dest_addr_length;
421     nw_uint32 dl_dest_addr_offset;
422 cebix 1.1 dl_priority_t dl_priority;
423     };
424    
425     struct dl_unitdata_ind_t {
426 gbeauche 1.3 nw_uint32 dl_primitive; // DL_UNITDATA_IND
427     nw_uint32 dl_dest_addr_length;
428     nw_uint32 dl_dest_addr_offset;
429     nw_uint32 dl_src_addr_length;
430     nw_uint32 dl_src_addr_offset;
431     nw_uint32 dl_group_address;
432 cebix 1.1 };
433    
434     struct dl_uderror_ind_t {
435 gbeauche 1.3 nw_uint32 dl_primitive; // DL_UDERROR_IND
436     nw_uint32 dl_dest_addr_length;
437     nw_uint32 dl_dest_addr_offset;
438     nw_uint32 dl_unix_errno;
439     nw_uint32 dl_errno;
440 cebix 1.1 };
441    
442     struct dl_subs_bind_req_t {
443 gbeauche 1.3 nw_uint32 dl_primitive; // DL_SUBS_BIND_REQ
444     nw_uint32 dl_subs_sap_offset;
445     nw_uint32 dl_subs_sap_length;
446     nw_uint32 dl_subs_bind_class;
447 cebix 1.1 };
448    
449     struct dl_subs_bind_ack_t {
450 gbeauche 1.3 nw_uint32 dl_primitive; // DL_SUBS_BIND_ACK
451     nw_uint32 dl_subs_sap_offset;
452     nw_uint32 dl_subs_sap_length;
453 cebix 1.1 };
454    
455     struct dl_subs_unbind_req_t {
456 gbeauche 1.3 nw_uint32 dl_primitive; // DL_SUBS_UNBIND_REQ
457     nw_uint32 dl_subs_sap_offset;
458     nw_uint32 dl_subs_sap_length;
459 cebix 1.1 };
460    
461     struct dl_enabmulti_req_t {
462 gbeauche 1.3 nw_uint32 dl_primitive; // DL_ENABMULTI_REQ
463     nw_uint32 dl_addr_length;
464     nw_uint32 dl_addr_offset;
465 cebix 1.1 };
466    
467     struct dl_disabmulti_req_t {
468 gbeauche 1.3 nw_uint32 dl_primitive; // DL_DISABMULTI_REQ
469     nw_uint32 dl_addr_length;
470     nw_uint32 dl_addr_offset;
471 cebix 1.1 };
472    
473     struct dl_phys_addr_req_t {
474 gbeauche 1.3 nw_uint32 dl_primitive; // DL_PHYS_ADDR_REQ
475     nw_uint32 dl_addr_type;
476 cebix 1.1 };
477    
478     struct dl_phys_addr_ack_t {
479 gbeauche 1.3 nw_uint32 dl_primitive; // DL_PHYS_ADDR_ACK
480     nw_uint32 dl_addr_length;
481     nw_uint32 dl_addr_offset;
482 cebix 1.1 };
483    
484     // Parameters for I_OTSetRawMode/kOTSetRecvMode ioctl()
485     struct dl_recv_control_t {
486 gbeauche 1.3 nw_uint32 dl_primitive;
487     nw_uint32 dl_flags;
488     nw_uint32 dl_truncation_length;
489 cebix 1.1 };
490    
491     union DL_primitives {
492 gbeauche 1.3 nw_uint32 dl_primitive;
493 cebix 1.1 dl_info_req_t info_req;
494     dl_info_ack_t info_ack;
495     dl_bind_req_t bind_req;
496     dl_bind_ack_t bind_ack;
497     dl_error_ack_t error_ack;
498     dl_ok_ack_t ok_ack;
499     dl_unitdata_req_t unitdata_req;
500     dl_unitdata_ind_t unitdata_ind;
501     dl_uderror_ind_t uderror_ind;
502     dl_subs_bind_req_t subs_bind_req;
503     dl_subs_bind_ack_t subs_bind_ack;
504     dl_subs_unbind_req_t subs_unbind_req;
505     dl_enabmulti_req_t enabmulti_req;
506     dl_disabmulti_req_t disabmulti_req;
507     dl_phys_addr_req_t phys_addr_req;
508     dl_phys_addr_ack_t phys_addr_ack;
509     };
510    
511     #ifdef PRAGMA_ALIGN_SUPPORTED
512     #pragma options align=mac68k
513     #endif
514    
515     // Packet headers
516     struct EnetPacketHeader {
517     uint8 fDestAddr[6];
518     uint8 fSourceAddr[6];
519 gbeauche 1.3 nw_uint16 fProto;
520 cebix 1.1 } PACKED__;
521    
522     struct T8022Header {
523     uint8 fDSAP;
524     uint8 fSSAP;
525     uint8 fCtrl;
526     } PACKED__;
527    
528     struct T8022SNAPHeader {
529     uint8 fDSAP;
530     uint8 fSSAP;
531     uint8 fCtrl;
532     uint8 fSNAP[k8022SNAPLength];
533     } PACKED__;
534    
535     struct T8022FullPacketHeader {
536     EnetPacketHeader fEnetPart;
537     T8022SNAPHeader f8022Part;
538     } PACKED__;
539    
540     struct T8022AddressStruct {
541     uint8 fHWAddr[6];
542 gbeauche 1.3 nw_uint16 fSAP;
543 cebix 1.1 uint8 fSNAP[k8022SNAPLength];
544     } PACKED__;
545    
546     #ifdef PRAGMA_ALIGN_SUPPORTED
547     #pragma options align=reset
548     #endif
549    
550     #endif