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Commit | Line | Data |
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3861aa5c WD |
1 | /* |
2 | * Based on LiMon - BOOTP. | |
3 | * | |
4 | * Copyright 1994, 1995, 2000 Neil Russell. | |
5 | * (See License) | |
6 | * Copyright 2000 Roland Borde | |
7 | * Copyright 2000 Paolo Scaffardi | |
232c150a | 8 | * Copyright 2000-2004 Wolfgang Denk, wd@denx.de |
3861aa5c WD |
9 | */ |
10 | ||
3861aa5c WD |
11 | #include <common.h> |
12 | #include <command.h> | |
13 | #include <net.h> | |
14 | #include "bootp.h" | |
15 | #include "tftp.h" | |
232c150a | 16 | #include "nfs.h" |
3861aa5c WD |
17 | #ifdef CONFIG_STATUS_LED |
18 | #include <status_led.h> | |
19 | #endif | |
20 | ||
232c150a | 21 | #define BOOTP_VENDOR_MAGIC 0x63825363 /* RFC1048 Magic Cookie */ |
3861aa5c | 22 | |
49f3bdbb | 23 | #define TIMEOUT 5000UL /* Milliseconds before trying BOOTP again */ |
232c150a | 24 | #ifndef CONFIG_NET_RETRY_COUNT |
3861aa5c WD |
25 | # define TIMEOUT_COUNT 5 /* # of timeouts before giving up */ |
26 | #else | |
232c150a | 27 | # define TIMEOUT_COUNT (CONFIG_NET_RETRY_COUNT) |
3861aa5c WD |
28 | #endif |
29 | ||
30 | #define PORT_BOOTPS 67 /* BOOTP server UDP port */ | |
31 | #define PORT_BOOTPC 68 /* BOOTP client UDP port */ | |
32 | ||
33 | #ifndef CONFIG_DHCP_MIN_EXT_LEN /* minimal length of extension list */ | |
232c150a | 34 | #define CONFIG_DHCP_MIN_EXT_LEN 64 |
3861aa5c WD |
35 | #endif |
36 | ||
37 | ulong BootpID; | |
38 | int BootpTry; | |
39 | #ifdef CONFIG_BOOTP_RANDOM_DELAY | |
40 | ulong seed1, seed2; | |
41 | #endif | |
42 | ||
643d1ab2 | 43 | #if defined(CONFIG_CMD_DHCP) |
3861aa5c | 44 | dhcp_state_t dhcp_state = INIT; |
682011ff | 45 | unsigned long dhcp_leasetime = 0; |
759a51b4 | 46 | IPaddr_t NetDHCPServerIP = 0; |
03eb129f LC |
47 | static void DhcpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src, |
48 | unsigned len); | |
3861aa5c WD |
49 | |
50 | /* For Debug */ | |
3e38691e WD |
51 | #if 0 |
52 | static char *dhcpmsg2str(int type) | |
3861aa5c WD |
53 | { |
54 | switch (type) { | |
232c150a WD |
55 | case 1: return "DHCPDISCOVER"; break; |
56 | case 2: return "DHCPOFFER"; break; | |
57 | case 3: return "DHCPREQUEST"; break; | |
58 | case 4: return "DHCPDECLINE"; break; | |
59 | case 5: return "DHCPACK"; break; | |
60 | case 6: return "DHCPNACK"; break; | |
61 | case 7: return "DHCPRELEASE"; break; | |
3861aa5c WD |
62 | default: return "UNKNOWN/INVALID MSG TYPE"; break; |
63 | } | |
64 | } | |
3e38691e | 65 | #endif |
3861aa5c | 66 | |
1fe80d79 | 67 | #if defined(CONFIG_BOOTP_VENDOREX) |
3861aa5c WD |
68 | extern u8 *dhcp_vendorex_prep (u8 *e); /*rtn new e after add own opts. */ |
69 | extern u8 *dhcp_vendorex_proc (u8 *e); /*rtn next e if mine,else NULL */ | |
70 | #endif | |
71 | ||
610f2e9c | 72 | #endif |
3861aa5c WD |
73 | |
74 | static int BootpCheckPkt(uchar *pkt, unsigned dest, unsigned src, unsigned len) | |
75 | { | |
76 | Bootp_t *bp = (Bootp_t *) pkt; | |
77 | int retval = 0; | |
78 | ||
79 | if (dest != PORT_BOOTPC || src != PORT_BOOTPS) | |
80 | retval = -1; | |
81 | else if (len < sizeof (Bootp_t) - OPT_SIZE) | |
82 | retval = -2; | |
83 | else if (bp->bp_op != OP_BOOTREQUEST && | |
84 | bp->bp_op != OP_BOOTREPLY && | |
85 | bp->bp_op != DHCP_OFFER && | |
86 | bp->bp_op != DHCP_ACK && | |
87 | bp->bp_op != DHCP_NAK ) { | |
88 | retval = -3; | |
89 | } | |
90 | else if (bp->bp_htype != HWT_ETHER) | |
91 | retval = -4; | |
92 | else if (bp->bp_hlen != HWL_ETHER) | |
93 | retval = -5; | |
94 | else if (NetReadLong((ulong*)&bp->bp_id) != BootpID) { | |
95 | retval = -6; | |
96 | } | |
97 | ||
0ebf04c6 | 98 | debug("Filtering pkt = %d\n", retval); |
3861aa5c WD |
99 | |
100 | return retval; | |
101 | } | |
102 | ||
103 | /* | |
104 | * Copy parameters of interest from BOOTP_REPLY/DHCP_OFFER packet | |
105 | */ | |
3e38691e | 106 | static void BootpCopyNetParams(Bootp_t *bp) |
3861aa5c | 107 | { |
3d3befa7 WD |
108 | IPaddr_t tmp_ip; |
109 | ||
3861aa5c | 110 | NetCopyIP(&NetOurIP, &bp->bp_yiaddr); |
5d110f0a | 111 | #if !defined(CONFIG_BOOTP_SERVERIP) |
3d3befa7 WD |
112 | NetCopyIP(&tmp_ip, &bp->bp_siaddr); |
113 | if (tmp_ip != 0) | |
114 | NetCopyIP(&NetServerIP, &bp->bp_siaddr); | |
d9bec9f4 | 115 | memcpy (NetServerEther, ((Ethernet_t *)NetRxPacket)->et_src, 6); |
5d110f0a | 116 | #endif |
3d3befa7 WD |
117 | if (strlen(bp->bp_file) > 0) |
118 | copy_filename (BootFile, bp->bp_file, sizeof(BootFile)); | |
3861aa5c | 119 | |
0ebf04c6 | 120 | debug("Bootfile: %s\n", BootFile); |
3861aa5c WD |
121 | |
122 | /* Propagate to environment: | |
8bde7f77 | 123 | * don't delete exising entry when BOOTP / DHCP reply does |
3861aa5c WD |
124 | * not contain a new value |
125 | */ | |
126 | if (*BootFile) { | |
127 | setenv ("bootfile", BootFile); | |
128 | } | |
129 | } | |
130 | ||
131 | static int truncate_sz (const char *name, int maxlen, int curlen) | |
132 | { | |
133 | if (curlen >= maxlen) { | |
134 | printf("*** WARNING: %s is too long (%d - max: %d) - truncated\n", | |
135 | name, curlen, maxlen); | |
136 | curlen = maxlen - 1; | |
137 | } | |
138 | return (curlen); | |
139 | } | |
140 | ||
643d1ab2 | 141 | #if !defined(CONFIG_CMD_DHCP) |
3861aa5c | 142 | |
232c150a | 143 | static void BootpVendorFieldProcess (u8 * ext) |
3861aa5c | 144 | { |
232c150a | 145 | int size = *(ext + 1); |
3861aa5c | 146 | |
0ebf04c6 | 147 | debug("[BOOTP] Processing extension %d... (%d bytes)\n", *ext, |
232c150a | 148 | *(ext + 1)); |
3861aa5c | 149 | |
232c150a | 150 | NetBootFileSize = 0; |
3861aa5c | 151 | |
232c150a WD |
152 | switch (*ext) { |
153 | /* Fixed length fields */ | |
1aeed8d7 | 154 | case 1: /* Subnet mask */ |
3861aa5c | 155 | if (NetOurSubnetMask == 0) |
232c150a | 156 | NetCopyIP (&NetOurSubnetMask, (IPaddr_t *) (ext + 2)); |
3861aa5c | 157 | break; |
1aeed8d7 | 158 | case 2: /* Time offset - Not yet supported */ |
3861aa5c | 159 | break; |
232c150a | 160 | /* Variable length fields */ |
1aeed8d7 | 161 | case 3: /* Gateways list */ |
3861aa5c | 162 | if (NetOurGatewayIP == 0) { |
232c150a | 163 | NetCopyIP (&NetOurGatewayIP, (IPaddr_t *) (ext + 2)); |
3861aa5c WD |
164 | } |
165 | break; | |
1aeed8d7 | 166 | case 4: /* Time server - Not yet supported */ |
3861aa5c | 167 | break; |
1aeed8d7 | 168 | case 5: /* IEN-116 name server - Not yet supported */ |
3861aa5c WD |
169 | break; |
170 | case 6: | |
171 | if (NetOurDNSIP == 0) { | |
232c150a | 172 | NetCopyIP (&NetOurDNSIP, (IPaddr_t *) (ext + 2)); |
3861aa5c | 173 | } |
1fe80d79 | 174 | #if defined(CONFIG_BOOTP_DNS2) |
fe389a82 | 175 | if ((NetOurDNS2IP == 0) && (size > 4)) { |
232c150a | 176 | NetCopyIP (&NetOurDNS2IP, (IPaddr_t *) (ext + 2 + 4)); |
fe389a82 SR |
177 | } |
178 | #endif | |
3861aa5c | 179 | break; |
1aeed8d7 | 180 | case 7: /* Log server - Not yet supported */ |
3861aa5c | 181 | break; |
1aeed8d7 | 182 | case 8: /* Cookie/Quote server - Not yet supported */ |
3861aa5c | 183 | break; |
1aeed8d7 | 184 | case 9: /* LPR server - Not yet supported */ |
3861aa5c | 185 | break; |
1aeed8d7 | 186 | case 10: /* Impress server - Not yet supported */ |
3861aa5c | 187 | break; |
1aeed8d7 | 188 | case 11: /* RPL server - Not yet supported */ |
3861aa5c | 189 | break; |
1aeed8d7 | 190 | case 12: /* Host name */ |
3861aa5c | 191 | if (NetOurHostName[0] == 0) { |
232c150a WD |
192 | size = truncate_sz ("Host Name", sizeof (NetOurHostName), size); |
193 | memcpy (&NetOurHostName, ext + 2, size); | |
194 | NetOurHostName[size] = 0; | |
3861aa5c WD |
195 | } |
196 | break; | |
1aeed8d7 | 197 | case 13: /* Boot file size */ |
3861aa5c | 198 | if (size == 2) |
232c150a | 199 | NetBootFileSize = ntohs (*(ushort *) (ext + 2)); |
3861aa5c | 200 | else if (size == 4) |
232c150a | 201 | NetBootFileSize = ntohl (*(ulong *) (ext + 2)); |
3861aa5c | 202 | break; |
1aeed8d7 | 203 | case 14: /* Merit dump file - Not yet supported */ |
3861aa5c | 204 | break; |
1aeed8d7 | 205 | case 15: /* Domain name - Not yet supported */ |
3861aa5c | 206 | break; |
1aeed8d7 | 207 | case 16: /* Swap server - Not yet supported */ |
3861aa5c | 208 | break; |
1aeed8d7 | 209 | case 17: /* Root path */ |
3861aa5c | 210 | if (NetOurRootPath[0] == 0) { |
232c150a WD |
211 | size = truncate_sz ("Root Path", sizeof (NetOurRootPath), size); |
212 | memcpy (&NetOurRootPath, ext + 2, size); | |
213 | NetOurRootPath[size] = 0; | |
3861aa5c WD |
214 | } |
215 | break; | |
1aeed8d7 | 216 | case 18: /* Extension path - Not yet supported */ |
3861aa5c | 217 | /* |
8bde7f77 WD |
218 | * This can be used to send the information of the |
219 | * vendor area in another file that the client can | |
220 | * access via TFTP. | |
3861aa5c WD |
221 | */ |
222 | break; | |
232c150a | 223 | /* IP host layer fields */ |
1aeed8d7 | 224 | case 40: /* NIS Domain name */ |
3861aa5c | 225 | if (NetOurNISDomain[0] == 0) { |
232c150a WD |
226 | size = truncate_sz ("NIS Domain Name", sizeof (NetOurNISDomain), size); |
227 | memcpy (&NetOurNISDomain, ext + 2, size); | |
228 | NetOurNISDomain[size] = 0; | |
3861aa5c WD |
229 | } |
230 | break; | |
232c150a | 231 | /* Application layer fields */ |
1aeed8d7 | 232 | case 43: /* Vendor specific info - Not yet supported */ |
3861aa5c | 233 | /* |
8bde7f77 WD |
234 | * Binary information to exchange specific |
235 | * product information. | |
3861aa5c WD |
236 | */ |
237 | break; | |
232c150a WD |
238 | /* Reserved (custom) fields (128..254) */ |
239 | } | |
3861aa5c WD |
240 | } |
241 | ||
232c150a | 242 | static void BootpVendorProcess (u8 * ext, int size) |
3861aa5c | 243 | { |
232c150a | 244 | u8 *end = ext + size; |
3861aa5c | 245 | |
0ebf04c6 | 246 | debug("[BOOTP] Checking extension (%d bytes)...\n", size); |
3861aa5c | 247 | |
232c150a WD |
248 | while ((ext < end) && (*ext != 0xff)) { |
249 | if (*ext == 0) { | |
250 | ext++; | |
251 | } else { | |
252 | u8 *opt = ext; | |
253 | ||
254 | ext += ext[1] + 2; | |
255 | if (ext <= end) | |
256 | BootpVendorFieldProcess (opt); | |
257 | } | |
3861aa5c | 258 | } |
3861aa5c | 259 | |
0ebf04c6 | 260 | debug("[BOOTP] Received fields: \n"); |
b6446b67 | 261 | if (NetOurSubnetMask) |
0ebf04c6 | 262 | debug("NetOurSubnetMask : %pI4\n", &NetOurSubnetMask); |
232c150a | 263 | |
b6446b67 | 264 | if (NetOurGatewayIP) |
0ebf04c6 | 265 | debug("NetOurGatewayIP : %pI4", &NetOurGatewayIP); |
232c150a | 266 | |
0ebf04c6 RG |
267 | if (NetBootFileSize) |
268 | debug("NetBootFileSize : %d\n", NetBootFileSize); | |
3861aa5c | 269 | |
0ebf04c6 RG |
270 | if (NetOurHostName[0]) |
271 | debug("NetOurHostName : %s\n", NetOurHostName); | |
232c150a | 272 | |
0ebf04c6 RG |
273 | if (NetOurRootPath[0]) |
274 | debug("NetOurRootPath : %s\n", NetOurRootPath); | |
232c150a | 275 | |
0ebf04c6 RG |
276 | if (NetOurNISDomain[0]) |
277 | debug("NetOurNISDomain : %s\n", NetOurNISDomain); | |
232c150a | 278 | |
0ebf04c6 RG |
279 | if (NetBootFileSize) |
280 | debug("NetBootFileSize: %d\n", NetBootFileSize); | |
232c150a | 281 | } |
3861aa5c WD |
282 | /* |
283 | * Handle a BOOTP received packet. | |
284 | */ | |
285 | static void | |
03eb129f LC |
286 | BootpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src, |
287 | unsigned len) | |
3861aa5c WD |
288 | { |
289 | Bootp_t *bp; | |
290 | char *s; | |
291 | ||
0ebf04c6 | 292 | debug("got BOOTP packet (src=%d, dst=%d, len=%d want_len=%zu)\n", |
3861aa5c WD |
293 | src, dest, len, sizeof (Bootp_t)); |
294 | ||
295 | bp = (Bootp_t *)pkt; | |
296 | ||
232c150a | 297 | if (BootpCheckPkt(pkt, dest, src, len)) /* Filter out pkts we don't want */ |
3861aa5c WD |
298 | return; |
299 | ||
300 | /* | |
232c150a | 301 | * Got a good BOOTP reply. Copy the data into our variables. |
3861aa5c WD |
302 | */ |
303 | #ifdef CONFIG_STATUS_LED | |
304 | status_led_set (STATUS_LED_BOOT, STATUS_LED_OFF); | |
305 | #endif | |
306 | ||
307 | BootpCopyNetParams(bp); /* Store net parameters from reply */ | |
308 | ||
309 | /* Retrieve extended information (we must parse the vendor area) */ | |
310 | if (NetReadLong((ulong*)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC)) | |
77ddac94 | 311 | BootpVendorProcess((uchar *)&bp->bp_vend[4], len); |
3861aa5c WD |
312 | |
313 | NetSetTimeout(0, (thand_f *)0); | |
314 | ||
0ebf04c6 | 315 | debug("Got good BOOTP\n"); |
3861aa5c | 316 | |
132ba5fd WD |
317 | if ((s = getenv("autoload")) != NULL) { |
318 | if (*s == 'n') { | |
319 | /* | |
320 | * Just use BOOTP to configure system; | |
321 | * Do not use TFTP to load the bootfile. | |
322 | */ | |
323 | NetState = NETLOOP_SUCCESS; | |
324 | return; | |
643d1ab2 | 325 | #if defined(CONFIG_CMD_NFS) |
132ba5fd WD |
326 | } else if (strcmp(s, "NFS") == 0) { |
327 | /* | |
328 | * Use NFS to load the bootfile. | |
329 | */ | |
330 | NfsStart(); | |
331 | return; | |
0e6d798c | 332 | #endif |
132ba5fd | 333 | } |
3861aa5c WD |
334 | } |
335 | ||
73a8b27c | 336 | TftpStart(); |
3861aa5c | 337 | } |
610f2e9c | 338 | #endif |
3861aa5c WD |
339 | |
340 | /* | |
341 | * Timeout on BOOTP/DHCP request. | |
342 | */ | |
343 | static void | |
344 | BootpTimeout(void) | |
345 | { | |
346 | if (BootpTry >= TIMEOUT_COUNT) { | |
347 | puts ("\nRetry count exceeded; starting again\n"); | |
348 | NetStartAgain (); | |
349 | } else { | |
49f3bdbb | 350 | NetSetTimeout (TIMEOUT, BootpTimeout); |
3861aa5c WD |
351 | BootpRequest (); |
352 | } | |
353 | } | |
354 | ||
355 | /* | |
356 | * Initialize BOOTP extension fields in the request. | |
357 | */ | |
643d1ab2 | 358 | #if defined(CONFIG_CMD_DHCP) |
232c150a | 359 | static int DhcpExtended (u8 * e, int message_type, IPaddr_t ServerID, IPaddr_t RequestedIP) |
3861aa5c | 360 | { |
232c150a WD |
361 | u8 *start = e; |
362 | u8 *cnt; | |
363 | ||
1fe80d79 | 364 | #if defined(CONFIG_BOOTP_VENDOREX) |
232c150a | 365 | u8 *x; |
3861aa5c | 366 | #endif |
1fe80d79 | 367 | #if defined(CONFIG_BOOTP_SEND_HOSTNAME) |
77ddac94 | 368 | char *hostname; |
fe389a82 | 369 | #endif |
3861aa5c | 370 | |
232c150a WD |
371 | *e++ = 99; /* RFC1048 Magic Cookie */ |
372 | *e++ = 130; | |
373 | *e++ = 83; | |
374 | *e++ = 99; | |
3861aa5c | 375 | |
232c150a WD |
376 | *e++ = 53; /* DHCP Message Type */ |
377 | *e++ = 1; | |
378 | *e++ = message_type; | |
3861aa5c | 379 | |
232c150a WD |
380 | *e++ = 57; /* Maximum DHCP Message Size */ |
381 | *e++ = 2; | |
382 | *e++ = (576 - 312 + OPT_SIZE) >> 8; | |
383 | *e++ = (576 - 312 + OPT_SIZE) & 0xff; | |
3861aa5c | 384 | |
232c150a WD |
385 | if (ServerID) { |
386 | int tmp = ntohl (ServerID); | |
3861aa5c | 387 | |
232c150a WD |
388 | *e++ = 54; /* ServerID */ |
389 | *e++ = 4; | |
390 | *e++ = tmp >> 24; | |
391 | *e++ = tmp >> 16; | |
392 | *e++ = tmp >> 8; | |
393 | *e++ = tmp & 0xff; | |
394 | } | |
3861aa5c | 395 | |
232c150a WD |
396 | if (RequestedIP) { |
397 | int tmp = ntohl (RequestedIP); | |
3861aa5c | 398 | |
232c150a WD |
399 | *e++ = 50; /* Requested IP */ |
400 | *e++ = 4; | |
401 | *e++ = tmp >> 24; | |
402 | *e++ = tmp >> 16; | |
403 | *e++ = tmp >> 8; | |
404 | *e++ = tmp & 0xff; | |
405 | } | |
1fe80d79 | 406 | #if defined(CONFIG_BOOTP_SEND_HOSTNAME) |
232c150a WD |
407 | if ((hostname = getenv ("hostname"))) { |
408 | int hostnamelen = strlen (hostname); | |
409 | ||
410 | *e++ = 12; /* Hostname */ | |
411 | *e++ = hostnamelen; | |
412 | memcpy (e, hostname, hostnamelen); | |
413 | e += hostnamelen; | |
414 | } | |
fe389a82 SR |
415 | #endif |
416 | ||
1fe80d79 | 417 | #if defined(CONFIG_BOOTP_VENDOREX) |
232c150a WD |
418 | if ((x = dhcp_vendorex_prep (e))) |
419 | return x - start; | |
3861aa5c WD |
420 | #endif |
421 | ||
232c150a WD |
422 | *e++ = 55; /* Parameter Request List */ |
423 | cnt = e++; /* Pointer to count of requested items */ | |
424 | *cnt = 0; | |
1fe80d79 | 425 | #if defined(CONFIG_BOOTP_SUBNETMASK) |
232c150a WD |
426 | *e++ = 1; /* Subnet Mask */ |
427 | *cnt += 1; | |
3861aa5c | 428 | #endif |
1fe80d79 | 429 | #if defined(CONFIG_BOOTP_TIMEOFFSET) |
ea287deb WD |
430 | *e++ = 2; |
431 | *cnt += 1; | |
432 | #endif | |
1fe80d79 | 433 | #if defined(CONFIG_BOOTP_GATEWAY) |
232c150a WD |
434 | *e++ = 3; /* Router Option */ |
435 | *cnt += 1; | |
3861aa5c | 436 | #endif |
1fe80d79 | 437 | #if defined(CONFIG_BOOTP_DNS) |
232c150a WD |
438 | *e++ = 6; /* DNS Server(s) */ |
439 | *cnt += 1; | |
3861aa5c | 440 | #endif |
1fe80d79 | 441 | #if defined(CONFIG_BOOTP_HOSTNAME) |
232c150a WD |
442 | *e++ = 12; /* Hostname */ |
443 | *cnt += 1; | |
3861aa5c | 444 | #endif |
1fe80d79 | 445 | #if defined(CONFIG_BOOTP_BOOTFILESIZE) |
232c150a WD |
446 | *e++ = 13; /* Boot File Size */ |
447 | *cnt += 1; | |
3861aa5c | 448 | #endif |
1fe80d79 | 449 | #if defined(CONFIG_BOOTP_BOOTPATH) |
232c150a WD |
450 | *e++ = 17; /* Boot path */ |
451 | *cnt += 1; | |
3861aa5c | 452 | #endif |
1fe80d79 | 453 | #if defined(CONFIG_BOOTP_NISDOMAIN) |
232c150a WD |
454 | *e++ = 40; /* NIS Domain name request */ |
455 | *cnt += 1; | |
ea287deb | 456 | #endif |
1fe80d79 | 457 | #if defined(CONFIG_BOOTP_NTPSERVER) |
ea287deb WD |
458 | *e++ = 42; |
459 | *cnt += 1; | |
3861aa5c | 460 | #endif |
258ccd68 JL |
461 | /* no options, so back up to avoid sending an empty request list */ |
462 | if (*cnt == 0) | |
463 | e -= 2; | |
464 | ||
232c150a | 465 | *e++ = 255; /* End of the list */ |
3861aa5c | 466 | |
232c150a | 467 | /* Pad to minimal length */ |
3861aa5c | 468 | #ifdef CONFIG_DHCP_MIN_EXT_LEN |
21076f61 | 469 | while ((e - start) < CONFIG_DHCP_MIN_EXT_LEN) |
232c150a | 470 | *e++ = 0; |
3861aa5c WD |
471 | #endif |
472 | ||
232c150a | 473 | return e - start; |
3861aa5c WD |
474 | } |
475 | ||
610f2e9c | 476 | #else |
3861aa5c | 477 | /* |
1fe80d79 | 478 | * Warning: no field size check - change CONFIG_BOOTP_* at your own risk! |
3861aa5c | 479 | */ |
232c150a | 480 | static int BootpExtended (u8 * e) |
3861aa5c | 481 | { |
232c150a | 482 | u8 *start = e; |
3861aa5c | 483 | |
232c150a WD |
484 | *e++ = 99; /* RFC1048 Magic Cookie */ |
485 | *e++ = 130; | |
486 | *e++ = 83; | |
487 | *e++ = 99; | |
3861aa5c | 488 | |
643d1ab2 | 489 | #if defined(CONFIG_CMD_DHCP) |
232c150a WD |
490 | *e++ = 53; /* DHCP Message Type */ |
491 | *e++ = 1; | |
492 | *e++ = DHCP_DISCOVER; | |
493 | ||
494 | *e++ = 57; /* Maximum DHCP Message Size */ | |
495 | *e++ = 2; | |
496 | *e++ = (576 - 312 + OPT_SIZE) >> 16; | |
497 | *e++ = (576 - 312 + OPT_SIZE) & 0xff; | |
610f2e9c | 498 | #endif |
3861aa5c | 499 | |
1fe80d79 | 500 | #if defined(CONFIG_BOOTP_SUBNETMASK) |
232c150a WD |
501 | *e++ = 1; /* Subnet mask request */ |
502 | *e++ = 4; | |
503 | e += 4; | |
3861aa5c WD |
504 | #endif |
505 | ||
1fe80d79 | 506 | #if defined(CONFIG_BOOTP_GATEWAY) |
232c150a WD |
507 | *e++ = 3; /* Default gateway request */ |
508 | *e++ = 4; | |
509 | e += 4; | |
3861aa5c WD |
510 | #endif |
511 | ||
1fe80d79 | 512 | #if defined(CONFIG_BOOTP_DNS) |
232c150a WD |
513 | *e++ = 6; /* Domain Name Server */ |
514 | *e++ = 4; | |
515 | e += 4; | |
3861aa5c WD |
516 | #endif |
517 | ||
1fe80d79 | 518 | #if defined(CONFIG_BOOTP_HOSTNAME) |
232c150a WD |
519 | *e++ = 12; /* Host name request */ |
520 | *e++ = 32; | |
521 | e += 32; | |
3861aa5c WD |
522 | #endif |
523 | ||
1fe80d79 | 524 | #if defined(CONFIG_BOOTP_BOOTFILESIZE) |
232c150a WD |
525 | *e++ = 13; /* Boot file size */ |
526 | *e++ = 2; | |
527 | e += 2; | |
3861aa5c WD |
528 | #endif |
529 | ||
1fe80d79 | 530 | #if defined(CONFIG_BOOTP_BOOTPATH) |
232c150a WD |
531 | *e++ = 17; /* Boot path */ |
532 | *e++ = 32; | |
533 | e += 32; | |
3861aa5c WD |
534 | #endif |
535 | ||
1fe80d79 | 536 | #if defined(CONFIG_BOOTP_NISDOMAIN) |
232c150a WD |
537 | *e++ = 40; /* NIS Domain name request */ |
538 | *e++ = 32; | |
539 | e += 32; | |
3861aa5c WD |
540 | #endif |
541 | ||
232c150a | 542 | *e++ = 255; /* End of the list */ |
3861aa5c | 543 | |
232c150a | 544 | return e - start; |
3861aa5c | 545 | } |
610f2e9c | 546 | #endif |
3861aa5c WD |
547 | |
548 | void | |
549 | BootpRequest (void) | |
550 | { | |
551 | volatile uchar *pkt, *iphdr; | |
552 | Bootp_t *bp; | |
553 | int ext_len, pktlen, iplen; | |
554 | ||
643d1ab2 | 555 | #if defined(CONFIG_CMD_DHCP) |
3861aa5c WD |
556 | dhcp_state = INIT; |
557 | #endif | |
558 | ||
559 | #ifdef CONFIG_BOOTP_RANDOM_DELAY /* Random BOOTP delay */ | |
560 | unsigned char bi_enetaddr[6]; | |
561 | int reg; | |
3861aa5c WD |
562 | ulong tst1, tst2, sum, m_mask, m_value = 0; |
563 | ||
564 | if (BootpTry ==0) { | |
565 | /* get our mac */ | |
95823ca0 MF |
566 | eth_getenv_enetaddr("ethaddr", bi_enetaddr); |
567 | ||
0ebf04c6 RG |
568 | debug("BootpRequest => Our Mac: "); |
569 | for (reg=0; reg<6; reg++) | |
570 | debug("%x%c", bi_enetaddr[reg], reg==5 ? '\n' : ':'); | |
3861aa5c WD |
571 | |
572 | /* Mac-Manipulation 2 get seed1 */ | |
573 | tst1=0; | |
574 | tst2=0; | |
575 | for (reg=2; reg<6; reg++) { | |
576 | tst1 = tst1 << 8; | |
577 | tst1 = tst1 | bi_enetaddr[reg]; | |
578 | } | |
579 | for (reg=0; reg<2; reg++) { | |
580 | tst2 = tst2 | bi_enetaddr[reg]; | |
581 | tst2 = tst2 << 8; | |
582 | } | |
583 | ||
584 | seed1 = tst1^tst2; | |
585 | ||
586 | /* Mirror seed1*/ | |
587 | m_mask=0x1; | |
588 | for (reg=1;reg<=32;reg++) { | |
589 | m_value |= (m_mask & seed1); | |
590 | seed1 = seed1 >> 1; | |
591 | m_value = m_value << 1; | |
592 | } | |
593 | seed1 = m_value; | |
594 | seed2 = 0xB78D0945; | |
595 | } | |
596 | ||
597 | /* Random Number Generator */ | |
598 | ||
599 | for (reg=0;reg<=0;reg++) { | |
600 | sum = seed1 + seed2; | |
601 | if (sum < seed1 || sum < seed2) | |
602 | sum++; | |
8bde7f77 | 603 | seed2 = seed1; |
3861aa5c WD |
604 | seed1 = sum; |
605 | ||
606 | if (BootpTry<=2) { /* Start with max 1024 * 1ms */ | |
607 | sum = sum >> (22-BootpTry); | |
608 | } else { /*After 3rd BOOTP request max 8192 * 1ms */ | |
609 | sum = sum >> 19; | |
610 | } | |
611 | } | |
612 | ||
613 | printf ("Random delay: %ld ms...\n", sum); | |
614 | for (reg=0; reg <sum; reg++) { | |
615 | udelay(1000); /*Wait 1ms*/ | |
616 | } | |
617 | #endif /* CONFIG_BOOTP_RANDOM_DELAY */ | |
618 | ||
619 | printf("BOOTP broadcast %d\n", ++BootpTry); | |
620 | pkt = NetTxPacket; | |
621 | memset ((void*)pkt, 0, PKTSIZE); | |
622 | ||
a3d991bd | 623 | pkt += NetSetEther(pkt, NetBcastAddr, PROT_IP); |
3861aa5c WD |
624 | |
625 | /* | |
626 | * Next line results in incorrect packet size being transmitted, resulting | |
627 | * in errors in some DHCP servers, reporting missing bytes. Size must be | |
628 | * set in packet header after extension length has been determined. | |
629 | * C. Hallinan, DS4.COM, Inc. | |
630 | */ | |
631 | /* NetSetIP(pkt, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC, sizeof (Bootp_t)); */ | |
632 | iphdr = pkt; /* We need this later for NetSetIP() */ | |
633 | pkt += IP_HDR_SIZE; | |
634 | ||
635 | bp = (Bootp_t *)pkt; | |
636 | bp->bp_op = OP_BOOTREQUEST; | |
637 | bp->bp_htype = HWT_ETHER; | |
638 | bp->bp_hlen = HWL_ETHER; | |
639 | bp->bp_hops = 0; | |
49f3bdbb | 640 | bp->bp_secs = htons(get_timer(0) / 1000); |
3861aa5c WD |
641 | NetWriteIP(&bp->bp_ciaddr, 0); |
642 | NetWriteIP(&bp->bp_yiaddr, 0); | |
643 | NetWriteIP(&bp->bp_siaddr, 0); | |
644 | NetWriteIP(&bp->bp_giaddr, 0); | |
645 | memcpy (bp->bp_chaddr, NetOurEther, 6); | |
646 | copy_filename (bp->bp_file, BootFile, sizeof(bp->bp_file)); | |
647 | ||
648 | /* Request additional information from the BOOTP/DHCP server */ | |
643d1ab2 | 649 | #if defined(CONFIG_CMD_DHCP) |
77ddac94 | 650 | ext_len = DhcpExtended((u8 *)bp->bp_vend, DHCP_DISCOVER, 0, 0); |
3861aa5c | 651 | #else |
77ddac94 | 652 | ext_len = BootpExtended((u8 *)bp->bp_vend); |
610f2e9c | 653 | #endif |
3861aa5c WD |
654 | |
655 | /* | |
656 | * Bootp ID is the lower 4 bytes of our ethernet address | |
49f3bdbb | 657 | * plus the current time in ms. |
3861aa5c WD |
658 | */ |
659 | BootpID = ((ulong)NetOurEther[2] << 24) | |
660 | | ((ulong)NetOurEther[3] << 16) | |
661 | | ((ulong)NetOurEther[4] << 8) | |
662 | | (ulong)NetOurEther[5]; | |
663 | BootpID += get_timer(0); | |
232c150a | 664 | BootpID = htonl(BootpID); |
3861aa5c WD |
665 | NetCopyLong(&bp->bp_id, &BootpID); |
666 | ||
667 | /* | |
668 | * Calculate proper packet lengths taking into account the | |
669 | * variable size of the options field | |
670 | */ | |
c9a2aab1 | 671 | pktlen = ((int)(pkt-NetTxPacket)) + BOOTP_HDR_SIZE - sizeof(bp->bp_vend) + ext_len; |
3861aa5c WD |
672 | iplen = BOOTP_HDR_SIZE - sizeof(bp->bp_vend) + ext_len; |
673 | NetSetIP(iphdr, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC, iplen); | |
49f3bdbb | 674 | NetSetTimeout(SELECT_TIMEOUT, BootpTimeout); |
3861aa5c | 675 | |
643d1ab2 | 676 | #if defined(CONFIG_CMD_DHCP) |
3861aa5c WD |
677 | dhcp_state = SELECTING; |
678 | NetSetHandler(DhcpHandler); | |
679 | #else | |
680 | NetSetHandler(BootpHandler); | |
610f2e9c | 681 | #endif |
3861aa5c WD |
682 | NetSendPacket(NetTxPacket, pktlen); |
683 | } | |
684 | ||
643d1ab2 | 685 | #if defined(CONFIG_CMD_DHCP) |
3b2e4fd9 | 686 | static void DhcpOptionsProcess (uchar * popt, Bootp_t *bp) |
3861aa5c | 687 | { |
3e38691e | 688 | uchar *end = popt + BOOTP_HDR_SIZE; |
3861aa5c | 689 | int oplen, size; |
d8d8724b WD |
690 | #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET) |
691 | int *to_ptr; | |
692 | #endif | |
3861aa5c | 693 | |
232c150a | 694 | while (popt < end && *popt != 0xff) { |
3861aa5c | 695 | oplen = *(popt + 1); |
232c150a WD |
696 | switch (*popt) { |
697 | case 1: | |
698 | NetCopyIP (&NetOurSubnetMask, (popt + 2)); | |
699 | break; | |
1fe80d79 | 700 | #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET) |
ea287deb | 701 | case 2: /* Time offset */ |
d8d8724b WD |
702 | to_ptr = &NetTimeOffset; |
703 | NetCopyLong ((ulong *)to_ptr, (ulong *)(popt + 2)); | |
ea287deb WD |
704 | NetTimeOffset = ntohl (NetTimeOffset); |
705 | break; | |
706 | #endif | |
232c150a WD |
707 | case 3: |
708 | NetCopyIP (&NetOurGatewayIP, (popt + 2)); | |
709 | break; | |
710 | case 6: | |
711 | NetCopyIP (&NetOurDNSIP, (popt + 2)); | |
1fe80d79 | 712 | #if defined(CONFIG_BOOTP_DNS2) |
232c150a WD |
713 | if (*(popt + 1) > 4) { |
714 | NetCopyIP (&NetOurDNS2IP, (popt + 2 + 4)); | |
715 | } | |
fe389a82 | 716 | #endif |
232c150a WD |
717 | break; |
718 | case 12: | |
719 | size = truncate_sz ("Host Name", sizeof (NetOurHostName), oplen); | |
720 | memcpy (&NetOurHostName, popt + 2, size); | |
721 | NetOurHostName[size] = 0; | |
722 | break; | |
723 | case 15: /* Ignore Domain Name Option */ | |
724 | break; | |
725 | case 17: | |
726 | size = truncate_sz ("Root Path", sizeof (NetOurRootPath), oplen); | |
727 | memcpy (&NetOurRootPath, popt + 2, size); | |
728 | NetOurRootPath[size] = 0; | |
729 | break; | |
1fe80d79 | 730 | #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER) |
ea287deb WD |
731 | case 42: /* NTP server IP */ |
732 | NetCopyIP (&NetNtpServerIP, (popt + 2)); | |
733 | break; | |
734 | #endif | |
232c150a WD |
735 | case 51: |
736 | NetCopyLong (&dhcp_leasetime, (ulong *) (popt + 2)); | |
737 | break; | |
738 | case 53: /* Ignore Message Type Option */ | |
739 | break; | |
740 | case 54: | |
741 | NetCopyIP (&NetDHCPServerIP, (popt + 2)); | |
742 | break; | |
743 | case 58: /* Ignore Renewal Time Option */ | |
744 | break; | |
745 | case 59: /* Ignore Rebinding Time Option */ | |
746 | break; | |
3b2e4fd9 WD |
747 | case 66: /* Ignore TFTP server name */ |
748 | break; | |
749 | case 67: /* vendor opt bootfile */ | |
750 | /* | |
751 | * I can't use dhcp_vendorex_proc here because I need | |
752 | * to write into the bootp packet - even then I had to | |
753 | * pass the bootp packet pointer into here as the | |
754 | * second arg | |
755 | */ | |
756 | size = truncate_sz ("Opt Boot File", | |
757 | sizeof(bp->bp_file), | |
758 | oplen); | |
759 | if (bp->bp_file[0] == '\0' && size > 0) { | |
760 | /* | |
761 | * only use vendor boot file if we didn't | |
762 | * receive a boot file in the main non-vendor | |
763 | * part of the packet - god only knows why | |
764 | * some vendors chose not to use this perfectly | |
765 | * good spot to store the boot file (join on | |
766 | * Tru64 Unix) it seems mind bogglingly crazy | |
767 | * to me | |
768 | */ | |
769 | printf("*** WARNING: using vendor " | |
770 | "optional boot file\n"); | |
771 | memcpy(bp->bp_file, popt + 2, size); | |
772 | bp->bp_file[size] = '\0'; | |
773 | } | |
774 | break; | |
232c150a | 775 | default: |
1fe80d79 | 776 | #if defined(CONFIG_BOOTP_VENDOREX) |
232c150a | 777 | if (dhcp_vendorex_proc (popt)) |
8bde7f77 | 778 | break; |
3861aa5c | 779 | #endif |
232c150a WD |
780 | printf ("*** Unhandled DHCP Option in OFFER/ACK: %d\n", *popt); |
781 | break; | |
3861aa5c WD |
782 | } |
783 | popt += oplen + 2; /* Process next option */ | |
784 | } | |
785 | } | |
786 | ||
787 | static int DhcpMessageType(unsigned char *popt) | |
788 | { | |
789 | if (NetReadLong((ulong*)popt) != htonl(BOOTP_VENDOR_MAGIC)) | |
790 | return -1; | |
791 | ||
792 | popt += 4; | |
793 | while ( *popt != 0xff ) { | |
794 | if ( *popt == 53 ) /* DHCP Message Type */ | |
795 | return *(popt + 2); | |
796 | popt += *(popt + 1) + 2; /* Scan through all options */ | |
797 | } | |
798 | return -1; | |
799 | } | |
800 | ||
3e38691e | 801 | static void DhcpSendRequestPkt(Bootp_t *bp_offer) |
3861aa5c WD |
802 | { |
803 | volatile uchar *pkt, *iphdr; | |
804 | Bootp_t *bp; | |
805 | int pktlen, iplen, extlen; | |
47cd00fa | 806 | IPaddr_t OfferedIP; |
3861aa5c | 807 | |
0ebf04c6 | 808 | debug("DhcpSendRequestPkt: Sending DHCPREQUEST\n"); |
3861aa5c WD |
809 | pkt = NetTxPacket; |
810 | memset ((void*)pkt, 0, PKTSIZE); | |
811 | ||
a3d991bd | 812 | pkt += NetSetEther(pkt, NetBcastAddr, PROT_IP); |
3861aa5c WD |
813 | |
814 | iphdr = pkt; /* We'll need this later to set proper pkt size */ | |
815 | pkt += IP_HDR_SIZE; | |
816 | ||
817 | bp = (Bootp_t *)pkt; | |
818 | bp->bp_op = OP_BOOTREQUEST; | |
819 | bp->bp_htype = HWT_ETHER; | |
820 | bp->bp_hlen = HWL_ETHER; | |
821 | bp->bp_hops = 0; | |
49f3bdbb | 822 | bp->bp_secs = htons(get_timer(0) / 1000); |
e5c794e4 JF |
823 | /* Do not set the client IP, your IP, or server IP yet, since it hasn't been ACK'ed by |
824 | * the server yet */ | |
825 | ||
c6686703 | 826 | /* |
d82718fe WD |
827 | * RFC3046 requires Relay Agents to discard packets with |
828 | * nonzero and offered giaddr | |
829 | */ | |
830 | NetWriteIP(&bp->bp_giaddr, 0); | |
831 | ||
3861aa5c WD |
832 | memcpy (bp->bp_chaddr, NetOurEther, 6); |
833 | ||
834 | /* | |
835 | * ID is the id of the OFFER packet | |
836 | */ | |
837 | ||
838 | NetCopyLong(&bp->bp_id, &bp_offer->bp_id); | |
839 | ||
840 | /* | |
841 | * Copy options from OFFER packet if present | |
842 | */ | |
e5c794e4 JF |
843 | |
844 | /* Copy offered IP into the parameters request list */ | |
845 | NetCopyIP(&OfferedIP, &bp_offer->bp_yiaddr); | |
77ddac94 | 846 | extlen = DhcpExtended((u8 *)bp->bp_vend, DHCP_REQUEST, NetDHCPServerIP, OfferedIP); |
3861aa5c | 847 | |
c9a2aab1 | 848 | pktlen = ((int)(pkt-NetTxPacket)) + BOOTP_HDR_SIZE - sizeof(bp->bp_vend) + extlen; |
3861aa5c WD |
849 | iplen = BOOTP_HDR_SIZE - sizeof(bp->bp_vend) + extlen; |
850 | NetSetIP(iphdr, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC, iplen); | |
851 | ||
0ebf04c6 | 852 | debug("Transmitting DHCPREQUEST packet: len = %d\n", pktlen); |
d9a2f416 AV |
853 | #ifdef CONFIG_BOOTP_DHCP_REQUEST_DELAY |
854 | udelay(CONFIG_BOOTP_DHCP_REQUEST_DELAY); | |
855 | #endif /* CONFIG_BOOTP_DHCP_REQUEST_DELAY */ | |
3861aa5c WD |
856 | NetSendPacket(NetTxPacket, pktlen); |
857 | } | |
858 | ||
859 | /* | |
860 | * Handle DHCP received packets. | |
861 | */ | |
862 | static void | |
03eb129f LC |
863 | DhcpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src, |
864 | unsigned len) | |
3861aa5c WD |
865 | { |
866 | Bootp_t *bp = (Bootp_t *)pkt; | |
867 | ||
0ebf04c6 | 868 | debug("DHCPHandler: got packet: (src=%d, dst=%d, len=%d) state: %d\n", |
3861aa5c WD |
869 | src, dest, len, dhcp_state); |
870 | ||
232c150a | 871 | if (BootpCheckPkt(pkt, dest, src, len)) /* Filter out pkts we don't want */ |
3861aa5c WD |
872 | return; |
873 | ||
0ebf04c6 | 874 | debug("DHCPHandler: got DHCP packet: (src=%d, dst=%d, len=%d) state: %d\n", |
3861aa5c WD |
875 | src, dest, len, dhcp_state); |
876 | ||
877 | switch (dhcp_state) { | |
878 | case SELECTING: | |
879 | /* | |
880 | * Wait an appropriate time for any potential DHCPOFFER packets | |
881 | * to arrive. Then select one, and generate DHCPREQUEST response. | |
882 | * If filename is in format we recognize, assume it is a valid | |
883 | * OFFER from a server we want. | |
884 | */ | |
0ebf04c6 | 885 | debug("DHCP: state=SELECTING bp_file: \"%s\"\n", bp->bp_file); |
6d0f6bcf | 886 | #ifdef CONFIG_SYS_BOOTFILE_PREFIX |
3861aa5c | 887 | if (strncmp(bp->bp_file, |
6d0f6bcf JCPV |
888 | CONFIG_SYS_BOOTFILE_PREFIX, |
889 | strlen(CONFIG_SYS_BOOTFILE_PREFIX)) == 0 ) { | |
890 | #endif /* CONFIG_SYS_BOOTFILE_PREFIX */ | |
3861aa5c | 891 | |
0ebf04c6 | 892 | debug("TRANSITIONING TO REQUESTING STATE\n"); |
3861aa5c | 893 | dhcp_state = REQUESTING; |
759a51b4 | 894 | |
3861aa5c | 895 | if (NetReadLong((ulong*)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC)) |
3b2e4fd9 | 896 | DhcpOptionsProcess((u8 *)&bp->bp_vend[4], bp); |
3861aa5c | 897 | |
49f3bdbb | 898 | NetSetTimeout(TIMEOUT, BootpTimeout); |
3861aa5c | 899 | DhcpSendRequestPkt(bp); |
6d0f6bcf | 900 | #ifdef CONFIG_SYS_BOOTFILE_PREFIX |
3861aa5c | 901 | } |
6d0f6bcf | 902 | #endif /* CONFIG_SYS_BOOTFILE_PREFIX */ |
3861aa5c WD |
903 | |
904 | return; | |
905 | break; | |
906 | case REQUESTING: | |
0ebf04c6 | 907 | debug("DHCP State: REQUESTING\n"); |
3861aa5c | 908 | |
77ddac94 | 909 | if ( DhcpMessageType((u8 *)bp->bp_vend) == DHCP_ACK ) { |
3861aa5c WD |
910 | char *s; |
911 | ||
912 | if (NetReadLong((ulong*)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC)) | |
3b2e4fd9 | 913 | DhcpOptionsProcess((u8 *)&bp->bp_vend[4], bp); |
232c150a | 914 | BootpCopyNetParams(bp); /* Store net params from reply */ |
3861aa5c | 915 | dhcp_state = BOUND; |
b6446b67 | 916 | printf ("DHCP client bound to address %pI4\n", &NetOurIP); |
3861aa5c WD |
917 | |
918 | /* Obey the 'autoload' setting */ | |
132ba5fd WD |
919 | if ((s = getenv("autoload")) != NULL) { |
920 | if (*s == 'n') { | |
921 | /* | |
922 | * Just use BOOTP to configure system; | |
923 | * Do not use TFTP to load the bootfile. | |
924 | */ | |
925 | NetState = NETLOOP_SUCCESS; | |
926 | return; | |
643d1ab2 | 927 | #if defined(CONFIG_CMD_NFS) |
132ba5fd WD |
928 | } else if (strcmp(s, "NFS") == 0) { |
929 | /* | |
930 | * Use NFS to load the bootfile. | |
931 | */ | |
932 | NfsStart(); | |
933 | return; | |
0e6d798c | 934 | #endif |
132ba5fd | 935 | } |
3861aa5c | 936 | } |
73a8b27c | 937 | TftpStart(); |
3861aa5c WD |
938 | return; |
939 | } | |
940 | break; | |
51dfe138 RB |
941 | case BOUND: |
942 | /* DHCP client bound to address */ | |
943 | break; | |
3861aa5c | 944 | default: |
4b9206ed | 945 | puts ("DHCP: INVALID STATE\n"); |
3861aa5c WD |
946 | break; |
947 | } | |
948 | ||
949 | } | |
950 | ||
951 | void DhcpRequest(void) | |
952 | { | |
953 | BootpRequest(); | |
954 | } | |
992742a5 | 955 | #endif /* CONFIG_CMD_DHCP */ |