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root/cebix/SheepShaver/src/include/ether_defs.h
Revision: 1.2
Committed: 2004-01-12T15:37:23Z (20 years, 5 months ago) by cebix
Content type: text/plain
Branch: MAIN
Changes since 1.1: +1 -1 lines
Log Message:
Happy New Year! :)

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     * Structures
193     */
194    
195     // Data block
196     struct datab {
197     datab *db_freep;
198     uint8 *db_base;
199     uint8 *db_lim;
200     uint8 db_ref;
201     uint8 db_type;
202     // ...
203     };
204    
205     // Message block
206     struct msgb {
207     msgb *b_next;
208     msgb *b_prev;
209     msgb *b_cont;
210     uint8 *b_rptr;
211     uint8 *b_wptr;
212     datab *b_datap;
213     // ...
214     };
215    
216     // Queue (full structure required because of size)
217     struct queue {
218     void *q_qinfo;
219     msgb *q_first;
220     msgb *q_last;
221     queue *q_next;
222     queue *q_link;
223     void *q_ptr;
224     uint32 q_count;
225     int32 q_minpsz;
226     int32 q_maxpsz;
227     uint32 q_hiwat;
228     uint32 q_lowat;
229     void *q_bandp;
230     uint16 q_flag;
231     uint8 q_nband;
232     uint8 q_pad1[1];
233     void *q_osx;
234     queue *q_ffcp;
235     queue *q_bfcp;
236     };
237     typedef struct queue queue_t;
238    
239     // M_IOCTL parameters
240     struct iocblk {
241     int32 ioc_cmd;
242     void *ioc_cr;
243     uint32 ioc_id;
244     uint32 ioc_count;
245     int32 ioc_error;
246     int32 ioc_rval;
247     int32 ioc_filler[4];
248     };
249    
250     // Priority specification
251     struct dl_priority_t {
252     int32 dl_min, dl_max;
253     };
254    
255     // DPLI primitives
256     struct dl_info_req_t {
257     uint32 dl_primitive; // DL_INFO_REQ
258     };
259    
260     struct dl_info_ack_t {
261     uint32 dl_primitive; // DL_INFO_ACK
262     uint32 dl_max_sdu;
263     uint32 dl_min_sdu;
264     uint32 dl_addr_length;
265     uint32 dl_mac_type;
266     uint32 dl_reserved;
267     uint32 dl_current_state;
268     int32 dl_sap_length;
269     uint32 dl_service_mode;
270     uint32 dl_qos_length;
271     uint32 dl_qos_offset;
272     uint32 dl_qos_range_length;
273     uint32 dl_qos_range_offset;
274     uint32 dl_provider_style;
275     uint32 dl_addr_offset;
276     uint32 dl_version;
277     uint32 dl_brdcst_addr_length;
278     uint32 dl_brdcst_addr_offset;
279     uint32 dl_growth;
280     };
281    
282     struct dl_bind_req_t {
283     uint32 dl_primitive; // DL_BIND_REQ
284     uint32 dl_sap;
285     uint32 dl_max_conind;
286     uint16 dl_service_mode;
287     uint16 dl_conn_mgmt;
288     uint32 dl_xidtest_flg;
289     };
290    
291     struct dl_bind_ack_t {
292     uint32 dl_primitive; // DL_BIND_ACK
293     uint32 dl_sap;
294     uint32 dl_addr_length;
295     uint32 dl_addr_offset;
296     uint32 dl_max_conind;
297     uint32 dl_xidtest_flg;
298     };
299    
300     struct dl_error_ack_t {
301     uint32 dl_primitive; // DL_ERROR_ACK
302     uint32 dl_error_primitive;
303     uint32 dl_errno;
304     uint32 dl_unix_errno;
305     };
306    
307     struct dl_ok_ack_t {
308     uint32 dl_primitive; // DL_ERROR_ACK
309     uint32 dl_correct_primitive;
310     };
311    
312     struct dl_unitdata_req_t {
313     uint32 dl_primitive; // DL_UNITDATA_REQ
314     uint32 dl_dest_addr_length;
315     uint32 dl_dest_addr_offset;
316     dl_priority_t dl_priority;
317     };
318    
319     struct dl_unitdata_ind_t {
320     uint32 dl_primitive; // DL_UNITDATA_IND
321     uint32 dl_dest_addr_length;
322     uint32 dl_dest_addr_offset;
323     uint32 dl_src_addr_length;
324     uint32 dl_src_addr_offset;
325     uint32 dl_group_address;
326     };
327    
328     struct dl_uderror_ind_t {
329     uint32 dl_primitive; // DL_UDERROR_IND
330     uint32 dl_dest_addr_length;
331     uint32 dl_dest_addr_offset;
332     uint32 dl_unix_errno;
333     uint32 dl_errno;
334     };
335    
336     struct dl_subs_bind_req_t {
337     uint32 dl_primitive; // DL_SUBS_BIND_REQ
338     uint32 dl_subs_sap_offset;
339     uint32 dl_subs_sap_length;
340     uint32 dl_subs_bind_class;
341     };
342    
343     struct dl_subs_bind_ack_t {
344     uint32 dl_primitive; // DL_SUBS_BIND_ACK
345     uint32 dl_subs_sap_offset;
346     uint32 dl_subs_sap_length;
347     };
348    
349     struct dl_subs_unbind_req_t {
350     uint32 dl_primitive; // DL_SUBS_UNBIND_REQ
351     uint32 dl_subs_sap_offset;
352     uint32 dl_subs_sap_length;
353     };
354    
355     struct dl_enabmulti_req_t {
356     uint32 dl_primitive; // DL_ENABMULTI_REQ
357     uint32 dl_addr_length;
358     uint32 dl_addr_offset;
359     };
360    
361     struct dl_disabmulti_req_t {
362     uint32 dl_primitive; // DL_DISABMULTI_REQ
363     uint32 dl_addr_length;
364     uint32 dl_addr_offset;
365     };
366    
367     struct dl_phys_addr_req_t {
368     uint32 dl_primitive; // DL_PHYS_ADDR_REQ
369     uint32 dl_addr_type;
370     };
371    
372     struct dl_phys_addr_ack_t {
373     uint32 dl_primitive; // DL_PHYS_ADDR_ACK
374     uint32 dl_addr_length;
375     uint32 dl_addr_offset;
376     };
377    
378     // Parameters for I_OTSetRawMode/kOTSetRecvMode ioctl()
379     struct dl_recv_control_t {
380     uint32 dl_primitive;
381     uint32 dl_flags;
382     uint32 dl_truncation_length;
383     };
384    
385     union DL_primitives {
386     uint32 dl_primitive;
387     dl_info_req_t info_req;
388     dl_info_ack_t info_ack;
389     dl_bind_req_t bind_req;
390     dl_bind_ack_t bind_ack;
391     dl_error_ack_t error_ack;
392     dl_ok_ack_t ok_ack;
393     dl_unitdata_req_t unitdata_req;
394     dl_unitdata_ind_t unitdata_ind;
395     dl_uderror_ind_t uderror_ind;
396     dl_subs_bind_req_t subs_bind_req;
397     dl_subs_bind_ack_t subs_bind_ack;
398     dl_subs_unbind_req_t subs_unbind_req;
399     dl_enabmulti_req_t enabmulti_req;
400     dl_disabmulti_req_t disabmulti_req;
401     dl_phys_addr_req_t phys_addr_req;
402     dl_phys_addr_ack_t phys_addr_ack;
403     };
404    
405     #ifdef PRAGMA_ALIGN_SUPPORTED
406     #pragma options align=mac68k
407     #endif
408    
409     // Packet headers
410     struct EnetPacketHeader {
411     uint8 fDestAddr[6];
412     uint8 fSourceAddr[6];
413     uint16 fProto;
414     } PACKED__;
415    
416     struct T8022Header {
417     uint8 fDSAP;
418     uint8 fSSAP;
419     uint8 fCtrl;
420     } PACKED__;
421    
422     struct T8022SNAPHeader {
423     uint8 fDSAP;
424     uint8 fSSAP;
425     uint8 fCtrl;
426     uint8 fSNAP[k8022SNAPLength];
427     } PACKED__;
428    
429     struct T8022FullPacketHeader {
430     EnetPacketHeader fEnetPart;
431     T8022SNAPHeader f8022Part;
432     } PACKED__;
433    
434     struct T8022AddressStruct {
435     uint8 fHWAddr[6];
436     uint16 fSAP;
437     uint8 fSNAP[k8022SNAPLength];
438     } PACKED__;
439    
440     #ifdef PRAGMA_ALIGN_SUPPORTED
441     #pragma options align=reset
442     #endif
443    
444     #endif