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1 /* ----------------------------------------------------------------------- *
2  *
3  *   Copyright 2007-2008 H. Peter Anvin - All Rights Reserved
4  *
5  *   Permission is hereby granted, free of charge, to any person
6  *   obtaining a copy of this software and associated documentation
7  *   files (the "Software"), to deal in the Software without
8  *   restriction, including without limitation the rights to use,
9  *   copy, modify, merge, publish, distribute, sublicense, and/or
10  *   sell copies of the Software, and to permit persons to whom
11  *   the Software is furnished to do so, subject to the following
12  *   conditions:
13  *
14  *   The above copyright notice and this permission notice shall
15  *   be included in all copies or substantial portions of the Software.
16  *
17  *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18  *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
19  *   OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20  *   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
21  *   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
22  *   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23  *   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
24  *   OTHER DEALINGS IN THE SOFTWARE.
25  *
26  * ----------------------------------------------------------------------- */
27 
28 /*
29  * syslinux/pxe_api.h
30  *
31  * PXE type and constant definitions for SYSLINUX
32  */
33 
34 #ifndef _SYSLINUX_PXE_API_H
35 #define _SYSLINUX_PXE_API_H
36 
37 #include <stdint.h>
38 #include <netinet/in.h>
39 #include <klibc/compiler.h>
40 #include <com32.h>
41 
42 /* PXE spec structures and definitions.  These mostly follow the PXE
43    spec, except when the PXE spec is unnecessarily stupid.  Of course,
44    that is most of the time. */
45 
46 /* Basic types; use Unix-like _t convention instead of SCREAMING; also
47    re-use types we already have, like in_addr_t. */
48 
49 typedef uint16_t pxenv_status_t;
50 
51 #define MAC_ADDR_LEN	16
52 typedef uint8_t mac_addr_t[MAC_ADDR_LEN];
53 
54 /* "Protected mode segment descriptor" according to PXE... */
55 typedef struct {
56     uint16_t sel;
57     uint32_t base;
58     uint16_t size;
59 } __packed pxe_segdesc_t;
60 
61 typedef far_ptr_t segoff16_t;
62 
63 typedef struct {
64     uint8_t opcode;
65 #define BOOTP_REQ 1
66 #define BOOTP_REP 2
67     uint8_t Hardware;
68     uint8_t Hardlen;
69     uint8_t Gatehops;
70     uint32_t ident;
71     uint16_t seconds;
72     uint16_t Flags;
73 #define BOOTP_BCAST 0x8000
74     in_addr_t cip;		/* Client IP address */
75     in_addr_t yip;		/* You IP address */
76     in_addr_t sip;		/* next server IP address */
77     in_addr_t gip;		/*relay agent IP address */
78     mac_addr_t CAddr;
79     uint8_t Sname[64];
80     uint8_t bootfile[128];
81     union {
82 #define BOOTP_DHCPVEND 1024
83 	uint8_t d[BOOTP_DHCPVEND];
84 	struct {
85 	    uint8_t magic[4];
86 #define VM_RFC1048 0x63825363L
87 	    uint32_t flags;
88 	    uint8_t pad[56];
89 	} v;
90     } vendor;
91 } __packed pxe_bootp_t;
92 
93 /* Function calling structures and constants */
94 
95 typedef struct s_PXENV_GET_CACHED_INFO {
96     pxenv_status_t Status;
97     uint16_t PacketType;
98 #define PXENV_PACKET_TYPE_DHCP_DISCOVER 1
99 #define PXENV_PACKET_TYPE_DHCP_ACK 2
100 #define PXENV_PACKET_TYPE_CACHED_REPLY 3
101     uint16_t BufferSize;
102     segoff16_t Buffer;
103     uint16_t BufferLimit;
104 } __packed t_PXENV_GET_CACHED_INFO;
105 
106 typedef struct s_PXENV_START_UNDI {
107     pxenv_status_t Status;
108     uint16_t AX;
109     uint16_t BX;
110     uint16_t DX;
111     uint16_t DI;
112     uint16_t ES;
113 } __packed t_PXENV_START_UNDI;
114 
115 typedef struct s_PXENV_STOP_UNDI {
116     pxenv_status_t Status;
117 } __packed t_PXENV_STOP_UNDI;
118 
119 typedef struct s_PXENV_START_BASE {
120     pxenv_status_t Status;
121 } __packed t_PXENV_START_BASE;
122 
123 typedef struct s_PXENV_STOP_BASE {
124     pxenv_status_t Status;
125 } __packed t_PXENV_STOP_BASE;
126 
127 typedef struct s_PXENV_TFTP_OPEN {
128     pxenv_status_t Status;
129     in_addr_t ServerIPAddress;
130     in_addr_t GatewayIPAddress;
131     uint8_t FileName[128];
132     in_port_t TFTPPort;
133     uint16_t PacketSize;
134 } __packed t_PXENV_TFTP_OPEN;
135 
136 typedef struct s_PXENV_TFTP_CLOSE {
137     pxenv_status_t Status;
138 } __packed t_PXENV_TFTP_CLOSE;
139 
140 typedef struct s_PXENV_TFTP_READ {
141     pxenv_status_t Status;
142     uint16_t PacketNumber;
143     uint16_t BufferSize;
144     segoff16_t Buffer;
145 } __packed t_PXENV_TFTP_READ;
146 
147 typedef struct s_PXENV_TFTP_READ_FILE {
148     pxenv_status_t Status;
149     uint8_t FileName[128];
150     uint32_t BufferSize;
151     void *Buffer;
152     in_addr_t ServerIPAddress;
153     in_addr_t GatewayIPAddress;
154     in_addr_t McastIPAddress;
155     in_port_t TFTPClntPort;
156     in_port_t TFTPSrvPort;
157     uint16_t TFTPOpenTimeOut;
158     uint16_t TFTPReopenDelay;
159 } __packed t_PXENV_TFTP_READ_FILE;
160 
161 typedef struct s_PXENV_TFTP_GET_FSIZE {
162     pxenv_status_t Status;
163     in_addr_t ServerIPAddress;
164     in_addr_t GatewayIPAddress;
165     uint8_t FileName[128];
166     uint32_t FileSize;
167 } __packed t_PXENV_TFTP_GET_FSIZE;
168 
169 typedef struct s_PXENV_UDP_OPEN {
170     pxenv_status_t status;
171     in_addr_t src_ip;
172 } __packed t_PXENV_UDP_OPEN;
173 
174 typedef struct s_PXENV_UDP_CLOSE {
175     pxenv_status_t status;
176 } __packed t_PXENV_UDP_CLOSE;
177 
178 typedef struct s_PXENV_UDP_WRITE {
179     pxenv_status_t status;
180     in_addr_t ip;
181     in_addr_t gw;
182     in_port_t src_port;
183     in_port_t dst_port;
184     uint16_t buffer_size;
185     segoff16_t buffer;
186 } __packed t_PXENV_UDP_WRITE;
187 
188 typedef struct s_PXENV_UDP_READ {
189     pxenv_status_t status;
190     in_addr_t src_ip;
191     in_addr_t dest_ip;
192     in_port_t s_port;
193     in_port_t d_port;
194     uint16_t buffer_size;
195     segoff16_t buffer;
196 } __packed t_PXENV_UDP_READ;
197 
198 typedef struct s_PXENV_UNDI_STARTUP {
199     pxenv_status_t Status;
200 } __packed t_PXENV_UNDI_STARTUP;
201 
202 typedef struct s_PXENV_UNDI_CLEANUP {
203     pxenv_status_t Status;
204 } __packed t_PXENV_UNDI_CLEANUP;
205 
206 typedef struct s_PXENV_UNDI_INITIALIZE {
207     pxenv_status_t Status;
208     void *ProtocolIni;
209     uint8_t reserved[8];
210 } __packed t_PXENV_UNDI_INITIALIZE;
211 
212 #define MAXNUM_MCADDR 8
213 typedef struct s_PXENV_UNDI_MCAST_ADDRESS {
214     uint16_t MCastAddrCount;
215     mac_addr_t McastAddr[MAXNUM_MCADDR];
216 } __packed t_PXENV_UNDI_MCAST_ADDRESS;
217 
218 typedef struct s_PXENV_UNDI_RESET {
219     pxenv_status_t Status;
220     t_PXENV_UNDI_MCAST_ADDRESS R_Mcast_Buf;
221 } __packed t_PXENV_UNDI_RESET;
222 
223 typedef struct s_PXENV_UNDI_SHUTDOWN {
224     pxenv_status_t Status;
225 } __packed t_PXENV_UNDI_SHUTDOWN;
226 
227 typedef struct s_PXENV_UNDI_OPEN {
228     pxenv_status_t Status;
229     uint16_t OpenFlag;
230     uint16_t PktFilter;
231 #define FLTR_DIRECTED 0x0001
232 #define FLTR_BRDCST 0x0002
233 #define FLTR_PRMSCS 0x0004
234 #define FLTR_SRC_RTG 0x0008
235      t_PXENV_UNDI_MCAST_ADDRESS R_Mcast_Buf;
236 } __packed t_PXENV_UNDI_OPEN;
237 
238 typedef struct s_PXENV_UNDI_CLOSE {
239     pxenv_status_t Status;
240 } __packed t_PXENV_UNDI_CLOSE;
241 
242 typedef struct s_PXENV_UNDI_TRANSMIT {
243     pxenv_status_t Status;
244     uint8_t Protocol;
245 #define P_UNKNOWN 0
246 #define P_IP 1
247 #define P_ARP 2
248 #define P_RARP 3
249     uint8_t XmitFlag;
250 #define XMT_DESTADDR 0x0000
251 #define XMT_BROADCAST 0x0001
252     segoff16_t DestAddr;
253     segoff16_t TBD;
254     uint32_t Reserved[2];
255 } __packed t_PXENV_UNDI_TRANSMIT;
256 #define MAX_DATA_BLKS 8
257 typedef struct s_PXENV_UNDI_TBD {
258     uint16_t ImmedLength;
259     segoff16_t Xmit;
260     uint16_t DataBlkCount;
261     struct DataBlk {
262 	uint8_t TDPtrType;
263 	uint8_t TDRsvdByte;
264 	uint16_t TDDataLen;
265 	segoff16_t TDDataPtr;
266     } DataBlock[MAX_DATA_BLKS];
267 } __packed t_PXENV_UNDI_TBD;
268 
269 typedef struct s_PXENV_UNDI_SET_MCAST_ADDRESS {
270     pxenv_status_t Status;
271      t_PXENV_UNDI_MCAST_ADDRESS R_Mcast_Buf;
272 } __packed t_PXENV_UNDI_SET_MCAST_ADDR;
273 
274 typedef struct s_PXENV_UNDI_SET_STATION_ADDRESS {
275     pxenv_status_t Status;
276     mac_addr_t StationAddress;
277 } __packed t_PXENV_UNDI_SET_STATION_ADDR;
278 
279 typedef struct s_PXENV_UNDI_SET_PACKET_FILTER {
280     pxenv_status_t Status;
281     uint8_t filter;
282 } __packed t_PXENV_UNDI_SET_PACKET_FILTER;
283 
284 typedef struct s_PXENV_UNDI_GET_INFORMATION {
285     pxenv_status_t Status;
286     uint16_t BaseIo;
287     uint16_t IntNumber;
288     uint16_t MaxTranUnit;
289     uint16_t HwType;
290 #define ETHER_TYPE 1
291 #define EXP_ETHER_TYPE 2
292 #define IEEE_TYPE 6
293 #define ARCNET_TYPE 7
294     uint16_t HwAddrLen;
295     mac_addr_t CurrentNodeAddress;
296     mac_addr_t PermNodeAddress;
297     uint16_t ROMAddress;
298     uint16_t RxBufCt;
299     uint16_t TxBufCt;
300 } __packed t_PXENV_UNDI_GET_INFORMATION;
301 
302 typedef struct s_PXENV_UNDI_GET_STATISTICS {
303     pxenv_status_t Status;
304     uint32_t XmtGoodFrames;
305     uint32_t RcvGoodFrames;
306     uint32_t RcvCRCErrors;
307     uint32_t RcvResourceErrors;
308 } __packed t_PXENV_UNDI_GET_STATISTICS;
309 
310 typedef struct s_PXENV_UNDI_CLEAR_STATISTICS {
311     pxenv_status_t Status;
312 } __packed t_PXENV_UNDI_CLEAR_STATISTICS;
313 
314 typedef struct s_PXENV_UNDI_INITIATE_DIAGS {
315     pxenv_status_t Status;
316 } __packed t_PXENV_UNDI_INITIATE_DIAGS;
317 
318 typedef struct s_PXENV_UNDI_FORCE_INTERRUPT {
319     pxenv_status_t Status;
320 } __packed t_PXENV_UNDI_FORCE_INTERRUPT;
321 
322 typedef struct s_PXENV_UNDI_GET_MCAST_ADDRESS {
323     pxenv_status_t Status;
324     in_addr_t InetAddr;
325     mac_addr_t MediaAddr;
326 } __packed t_PXENV_UNDI_GET_MCAST_ADDR;
327 
328 typedef struct s_PXENV_UNDI_GET_NIC_TYPE {
329     pxenv_status_t Status;
330     uint8_t NicType;
331 #define PCI_NIC 2
332 #define PnP_NIC 3
333 #define CardBus_NIC 4
334     union {
335 	struct {
336 	    uint16_t Vendor_ID;
337 	    uint16_t Dev_ID;
338 	    uint8_t Base_Class;
339 	    uint8_t Sub_Class;
340 	    uint8_t Prog_Intf;
341 	    uint8_t Rev;
342 	    uint16_t BusDevFunc;
343 	    uint16_t SubVendor_ID;
344 	    uint16_t SubDevice_ID;
345 	} pci, cardbus;
346 	struct {
347 	    uint32_t EISA_Dev_ID;
348 	    uint8_t Base_Class;
349 	    uint8_t Sub_Class;
350 	    uint8_t Prog_Intf;
351 	    uint16_t CardSelNum;
352 	} __packed pnp;
353     } __packed info;
354 } __packed t_PXENV_UNDI_GET_NIC_TYPE;
355 
356 typedef struct s_PXENV_UNDI_GET_IFACE_INFO {
357     pxenv_status_t Status;
358     uint8_t IfaceType[16];
359     uint32_t LinkSpeed;
360     uint32_t ServiceFlags;
361     uint32_t Reserved[4];
362 } __packed t_PXENV_UNDI_GET_IFACE_INFO;
363 #define PXE_UNDI_IFACE_FLAG_BCAST	0x00000001
364 #define PXE_UNDI_IFACE_FLAG_MCAST	0x00000002
365 #define PXE_UNDI_IFACE_FLAG_GROUP	0x00000004
366 #define PXE_UNDI_IFACE_FLAG_PROMISC	0x00000008
367 #define PXE_UNDI_IFACE_FLAG_SOFTMAC	0x00000010
368 #define PXE_UNDI_IFACE_FLAG_STATS	0x00000020
369 #define PXE_UNDI_IFACE_FLAG_DIAGS	0x00000040
370 #define PXE_UNDI_IFACE_FLAG_LOOPBACK	0x00000080
371 #define PXE_UNDI_IFACE_FLAG_RCVCHAIN	0x00000100
372 #define PXE_UNDI_IFACE_FLAG_IBMSRCRT	0x00000200
373 #define PXE_UNDI_IFACE_FLAG_RESET	0x00000400
374 #define PXE_UNDI_IFACE_FLAG_OPEN	0x00000800
375 #define PXE_UNDI_IFACE_FLAG_IRQ		0x00001000
376 #define PXE_UNDI_IFACE_FLAG_SRCRT	0x00002000
377 #define PXE_UNDI_IFACE_FLAG_GDTVIRT	0x00004000
378 #define PXE_UNDI_IFACE_FLAG_MULTI	0x00008000
379 #define PXE_UNDI_IFACE_FLAG_LKFISZ	0x00010000
380 
381 typedef struct s_PXENV_UNDI_GET_STATE {
382 #define PXE_UNDI_GET_STATE_STARTED 1
383 #define PXE_UNDI_GET_STATE_INITIALIZED 2
384 #define PXE_UNDI_GET_STATE_OPENED 3
385     pxenv_status_t Status;
386     uint8_t UNDIstate;
387 } __packed t_PXENV_UNDI_GET_STATE;
388 
389 typedef struct s_PXENV_UNDI_ISR {
390     pxenv_status_t Status;
391     uint16_t FuncFlag;
392     uint16_t BufferLength;
393     uint16_t FrameLength;
394     uint16_t FrameHeaderLength;
395     segoff16_t Frame;
396     uint8_t ProtType;
397     uint8_t PktType;
398 } __packed t_PXENV_UNDI_ISR;
399 
400 typedef struct s_PXENV_FILE_API_CHECK {
401     pxenv_status_t Status;
402     uint16_t Size;
403     uint32_t Magic;
404     uint32_t Provider;
405     uint32_t APIMask;
406     uint32_t Flags;
407 } __packed t_PXENV_FILE_API_CHECK;
408 
409 typedef struct s_PXENV_FILE_READ {
410     pxenv_status_t Status;
411     uint16_t FileHandle;
412     uint16_t BufferSize;
413     segoff16_t Buffer;
414 } __packed t_PXENV_FILE_READ;
415 
416 typedef struct s_PXENV_FILE_OPEN {
417     pxenv_status_t Status;
418     uint16_t FileHandle;
419     segoff16_t FileName;
420     uint32_t Reserved;
421 } __packed t_PXENV_FILE_OPEN;
422 
423 typedef struct s_PXENV_FILE_CLOSE {
424     pxenv_status_t Status;
425     uint16_t FileHandle;
426 } __packed t_PXENV_FILE_CLOSE;
427 
428 typedef struct s_PXENV_GET_FILE_SIZE {
429     pxenv_status_t Status;
430     uint16_t FileHandle;
431     uint32_t FileSize;
432 } __packed t_PXENV_GET_FILE_SIZE;
433 
434 typedef struct s_PXENV_UNLOAD_STACK {
435     pxenv_status_t Status;
436     uint8_t reserved[10];
437 } __packed t_PXENV_UNLOAD_STACK;
438 
439 #define PXENV_UNDI_ISR_IN_START 1
440 #define PXENV_UNDI_ISR_IN_PROCESS 2
441 #define PXENV_UNDI_ISR_IN_GET_NEXT 3
442 /* One of these will be returned for
443    PXENV_UNDI_ISR_IN_START */
444 #define PXENV_UNDI_ISR_OUT_OURS 0
445 #define PXENV_UNDI_USR_OUT_NOT_OURS 1
446 /* One of these will be returned for
447    PXENV_UNDI_ISR_IN_PROCESS and
448    PXENV_UNDI_ISR_IN_GET_NEXT */
449 #define PXENV_UNDI_ISR_OUT_DONE 0
450 #define PXENV_UNDI_ISR_OUT_TRANSMIT 2
451 #define PXENV_UNDI_ISR_OUT_RECEIVE 3
452 #define PXENV_UNDI_ISR_OUT_BUSY 4
453 
454 /* Function numbers and error codes */
455 
456 #define PXENV_TFTP_OPEN			0x0020
457 #define PXENV_TFTP_CLOSE		0x0021
458 #define PXENV_TFTP_READ			0x0022
459 #define PXENV_TFTP_READ_FILE		0x0023
460 #define PXENV_TFTP_READ_FILE_PMODE	0x0024
461 #define PXENV_TFTP_GET_FSIZE		0x0025
462 
463 #define PXENV_UDP_OPEN			0x0030
464 #define PXENV_UDP_CLOSE			0x0031
465 #define PXENV_UDP_READ			0x0032
466 #define PXENV_UDP_WRITE			0x0033
467 
468 #define PXENV_START_UNDI		0x0000
469 #define PXENV_UNDI_STARTUP		0x0001
470 #define PXENV_UNDI_CLEANUP		0x0002
471 #define PXENV_UNDI_INITIALIZE		0x0003
472 #define PXENV_UNDI_RESET_NIC		0x0004
473 #define PXENV_UNDI_SHUTDOWN		0x0005
474 #define PXENV_UNDI_OPEN			0x0006
475 #define PXENV_UNDI_CLOSE		0x0007
476 #define PXENV_UNDI_TRANSMIT		0x0008
477 #define PXENV_UNDI_SET_MCAST_ADDR	0x0009
478 #define PXENV_UNDI_SET_STATION_ADDR	0x000A
479 #define PXENV_UNDI_SET_PACKET_FILTER	0x000B
480 #define PXENV_UNDI_GET_INFORMATION	0x000C
481 #define PXENV_UNDI_GET_STATISTICS	0x000D
482 #define PXENV_UNDI_CLEAR_STATISTICS	0x000E
483 #define PXENV_UNDI_INITIATE_DIAGS	0x000F
484 #define PXENV_UNDI_FORCE_INTERRUPT	0x0010
485 #define PXENV_UNDI_GET_MCAST_ADDR	0x0011
486 #define PXENV_UNDI_GET_NIC_TYPE		0x0012
487 #define PXENV_UNDI_GET_IFACE_INFO	0x0013
488 #define PXENV_UNDI_ISR			0x0014
489 #define	PXENV_STOP_UNDI			0x0015	/* Overlap...? */
490 #define PXENV_UNDI_GET_STATE		0x0015	/* Overlap...? */
491 
492 #define PXENV_UNLOAD_STACK		0x0070
493 #define PXENV_GET_CACHED_INFO		0x0071
494 #define PXENV_RESTART_DHCP		0x0072
495 #define PXENV_RESTART_TFTP		0x0073
496 #define PXENV_MODE_SWITCH		0x0074
497 #define PXENV_START_BASE		0x0075
498 #define PXENV_STOP_BASE			0x0076
499 
500 /* gPXE extensions... */
501 #define PXENV_FILE_OPEN			0x00e0
502 #define PXENV_FILE_CLOSE		0x00e1
503 #define PXENV_FILE_SELECT		0x00e2
504 #define PXENV_FILE_READ			0x00e3
505 #define PXENV_GET_FILE_SIZE		0x00e4
506 #define PXENV_FILE_EXEC			0x00e5
507 #define PXENV_FILE_API_CHECK		0x00e6
508 
509 /* Exit codes */
510 #define PXENV_EXIT_SUCCESS				 0x0000
511 #define PXENV_EXIT_FAILURE				 0x0001
512 
513 /* Status codes */
514 #define PXENV_STATUS_SUCCESS				 0x00
515 #define PXENV_STATUS_FAILURE				 0x01
516 #define PXENV_STATUS_BAD_FUNC				 0x02
517 #define PXENV_STATUS_UNSUPPORTED			 0x03
518 #define PXENV_STATUS_KEEP_UNDI				 0x04
519 #define PXENV_STATUS_KEEP_ALL				 0x05
520 #define PXENV_STATUS_OUT_OF_RESOURCES			 0x06
521 #define PXENV_STATUS_ARP_TIMEOUT			 0x11
522 #define PXENV_STATUS_UDP_CLOSED				 0x18
523 #define PXENV_STATUS_UDP_OPEN				 0x19
524 #define PXENV_STATUS_TFTP_CLOSED			 0x1a
525 #define PXENV_STATUS_TFTP_OPEN				 0x1b
526 #define PXENV_STATUS_MCOPY_PROBLEM			 0x20
527 #define PXENV_STATUS_BIS_INTEGRITY_FAILURE		 0x21
528 #define PXENV_STATUS_BIS_VALIDATE_FAILURE		 0x22
529 #define PXENV_STATUS_BIS_INIT_FAILURE			 0x23
530 #define PXENV_STATUS_BIS_SHUTDOWN_FAILURE		 0x24
531 #define PXENV_STATUS_BIS_GBOA_FAILURE			 0x25
532 #define PXENV_STATUS_BIS_FREE_FAILURE			 0x26
533 #define PXENV_STATUS_BIS_GSI_FAILURE			 0x27
534 #define PXENV_STATUS_BIS_BAD_CKSUM			 0x28
535 #define PXENV_STATUS_TFTP_CANNOT_ARP_ADDRESS		 0x30
536 #define PXENV_STATUS_TFTP_OPEN_TIMEOUT			 0x32
537 
538 #define PXENV_STATUS_TFTP_UNKNOWN_OPCODE		 0x33
539 #define PXENV_STATUS_TFTP_READ_TIMEOUT			 0x35
540 #define PXENV_STATUS_TFTP_ERROR_OPCODE			 0x36
541 #define PXENV_STATUS_TFTP_CANNOT_OPEN_CONNECTION	 0x38
542 #define PXENV_STATUS_TFTP_CANNOT_READ_FROM_CONNECTION	 0x39
543 #define PXENV_STATUS_TFTP_TOO_MANY_PACKAGES		 0x3a
544 #define PXENV_STATUS_TFTP_FILE_NOT_FOUND		 0x3b
545 #define PXENV_STATUS_TFTP_ACCESS_VIOLATION		 0x3c
546 #define PXENV_STATUS_TFTP_NO_MCAST_ADDRESS		 0x3d
547 #define PXENV_STATUS_TFTP_NO_FILESIZE			 0x3e
548 #define PXENV_STATUS_TFTP_INVALID_PACKET_SIZE		 0x3f
549 #define PXENV_STATUS_DHCP_TIMEOUT			 0x51
550 #define PXENV_STATUS_DHCP_NO_IP_ADDRESS			 0x52
551 #define PXENV_STATUS_DHCP_NO_BOOTFILE_NAME		 0x53
552 #define PXENV_STATUS_DHCP_BAD_IP_ADDRESS		 0x54
553 #define PXENV_STATUS_UNDI_INVALID_FUNCTION		 0x60
554 #define PXENV_STATUS_UNDI_MEDIATEST_FAILED		 0x61
555 #define PXENV_STATUS_UNDI_CANNOT_INIT_NIC_FOR_MCAST	 0x62
556 #define PXENV_STATUS_UNDI_CANNOT_INITIALIZE_NIC		 0x63
557 #define PXENV_STATUS_UNDI_CANNOT_INITIALIZE_PHY		 0x64
558 #define PXENV_STATUS_UNDI_CANNOT_READ_CONFIG_DATA	 0x65
559 #define PXENV_STATUS_UNDI_CANNOT_READ_INIT_DATA		 0x66
560 #define PXENV_STATUS_UNDI_BAD_MAC_ADDRESS		 0x67
561 #define PXENV_STATUS_UNDI_BAD_EEPROM_CHECKSUM		 0x68
562 #define PXENV_STATUS_UNDI_ERROR_SETTING_ISR		 0x69
563 #define PXENV_STATUS_UNDI_INVALID_STATE			 0x6a
564 #define PXENV_STATUS_UNDI_TRANSMIT_ERROR		 0x6b
565 #define PXENV_STATUS_UNDI_INVALID_PARAMETER		 0x6c
566 #define PXENV_STATUS_BSTRAP_PROMPT_MENU			 0x74
567 #define PXENV_STATUS_BSTRAP_MCAST_ADDR			 0x76
568 #define PXENV_STATUS_BSTRAP_MISSING_LIST		 0x77
569 #define PXENV_STATUS_BSTRAP_NO_RESPONSE			 0x78
570 #define PXENV_STATUS_BSTRAP_FILE_TOO_BIG		 0x79
571 #define PXENV_STATUS_BINL_CANCELED_BY_KEYSTROKE		 0xa0
572 #define PXENV_STATUS_BINL_NO_PXE_SERVER			 0xa1
573 #define PXENV_STATUS_NOT_AVAILABLE_IN_PMODE		 0xa2
574 #define PXENV_STATUS_NOT_AVAILABLE_IN_RMODE		 0xa3
575 #define PXENV_STATUS_BUSD_DEVICE_NOT_SUPPORTED		 0xb0
576 #define PXENV_STATUS_LOADER_NO_FREE_BASE_MEMORY		 0xc0
577 #define PXENV_STATUS_LOADER_NO_BC_ROMID			 0xc1
578 #define PXENV_STATUS_LOADER_BAD_BC_ROMID		 0xc2
579 #define PXENV_STATUS_LOADER_BAD_BC_RUNTIME_IMAGE	 0xc3
580 #define PXENV_STATUS_LOADER_NO_UNDI_ROMID		 0xc4
581 #define PXENV_STATUS_LOADER_BAD_UNDI_ROMID		 0xc5
582 #define PXENV_STATUS_LOADER_BAD_UNDI_DRIVER_IMAGE	 0xc6
583 #define PXENV_STATUS_LOADER_NO_PXE_STRUCT		 0xc8
584 #define PXENV_STATUS_LOADER_NO_PXENV_STRUCT		 0xc9
585 #define PXENV_STATUS_LOADER_UNDI_START			 0xca
586 #define PXENV_STATUS_LOADER_BC_START			 0xcb
587 
588 int __weak pxe_call(int, void *);
589 void __weak unload_pxe(uint16_t flags);
590 uint32_t __weak dns_resolv(const char *);
591 
592 extern uint32_t __weak SendCookies;
593 void __weak http_bake_cookies(void);
594 
595 #endif /* _SYSLINUX_PXE_API_H */
596