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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 | |
643d1ab2 | 23 | #if defined(CONFIG_CMD_NET) |
3861aa5c | 24 | |
49f3bdbb | 25 | #define TIMEOUT 5000UL /* Milliseconds before trying BOOTP again */ |
232c150a | 26 | #ifndef CONFIG_NET_RETRY_COUNT |
3861aa5c WD |
27 | # define TIMEOUT_COUNT 5 /* # of timeouts before giving up */ |
28 | #else | |
232c150a | 29 | # define TIMEOUT_COUNT (CONFIG_NET_RETRY_COUNT) |
3861aa5c WD |
30 | #endif |
31 | ||
32 | #define PORT_BOOTPS 67 /* BOOTP server UDP port */ | |
33 | #define PORT_BOOTPC 68 /* BOOTP client UDP port */ | |
34 | ||
35 | #ifndef CONFIG_DHCP_MIN_EXT_LEN /* minimal length of extension list */ | |
232c150a | 36 | #define CONFIG_DHCP_MIN_EXT_LEN 64 |
3861aa5c WD |
37 | #endif |
38 | ||
39 | ulong BootpID; | |
40 | int BootpTry; | |
41 | #ifdef CONFIG_BOOTP_RANDOM_DELAY | |
42 | ulong seed1, seed2; | |
43 | #endif | |
44 | ||
643d1ab2 | 45 | #if defined(CONFIG_CMD_DHCP) |
3861aa5c | 46 | dhcp_state_t dhcp_state = INIT; |
682011ff | 47 | unsigned long dhcp_leasetime = 0; |
759a51b4 | 48 | IPaddr_t NetDHCPServerIP = 0; |
3861aa5c WD |
49 | static void DhcpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len); |
50 | ||
51 | /* For Debug */ | |
3e38691e WD |
52 | #if 0 |
53 | static char *dhcpmsg2str(int type) | |
3861aa5c WD |
54 | { |
55 | switch (type) { | |
232c150a WD |
56 | case 1: return "DHCPDISCOVER"; break; |
57 | case 2: return "DHCPOFFER"; break; | |
58 | case 3: return "DHCPREQUEST"; break; | |
59 | case 4: return "DHCPDECLINE"; break; | |
60 | case 5: return "DHCPACK"; break; | |
61 | case 6: return "DHCPNACK"; break; | |
62 | case 7: return "DHCPRELEASE"; break; | |
3861aa5c WD |
63 | default: return "UNKNOWN/INVALID MSG TYPE"; break; |
64 | } | |
65 | } | |
3e38691e | 66 | #endif |
3861aa5c | 67 | |
1fe80d79 | 68 | #if defined(CONFIG_BOOTP_VENDOREX) |
3861aa5c WD |
69 | extern u8 *dhcp_vendorex_prep (u8 *e); /*rtn new e after add own opts. */ |
70 | extern u8 *dhcp_vendorex_proc (u8 *e); /*rtn next e if mine,else NULL */ | |
71 | #endif | |
72 | ||
610f2e9c | 73 | #endif |
3861aa5c WD |
74 | |
75 | static int BootpCheckPkt(uchar *pkt, unsigned dest, unsigned src, unsigned len) | |
76 | { | |
77 | Bootp_t *bp = (Bootp_t *) pkt; | |
78 | int retval = 0; | |
79 | ||
80 | if (dest != PORT_BOOTPC || src != PORT_BOOTPS) | |
81 | retval = -1; | |
82 | else if (len < sizeof (Bootp_t) - OPT_SIZE) | |
83 | retval = -2; | |
84 | else if (bp->bp_op != OP_BOOTREQUEST && | |
85 | bp->bp_op != OP_BOOTREPLY && | |
86 | bp->bp_op != DHCP_OFFER && | |
87 | bp->bp_op != DHCP_ACK && | |
88 | bp->bp_op != DHCP_NAK ) { | |
89 | retval = -3; | |
90 | } | |
91 | else if (bp->bp_htype != HWT_ETHER) | |
92 | retval = -4; | |
93 | else if (bp->bp_hlen != HWL_ETHER) | |
94 | retval = -5; | |
95 | else if (NetReadLong((ulong*)&bp->bp_id) != BootpID) { | |
96 | retval = -6; | |
97 | } | |
98 | ||
0ebf04c6 | 99 | debug("Filtering pkt = %d\n", retval); |
3861aa5c WD |
100 | |
101 | return retval; | |
102 | } | |
103 | ||
104 | /* | |
105 | * Copy parameters of interest from BOOTP_REPLY/DHCP_OFFER packet | |
106 | */ | |
3e38691e | 107 | static void BootpCopyNetParams(Bootp_t *bp) |
3861aa5c | 108 | { |
3d3befa7 WD |
109 | IPaddr_t tmp_ip; |
110 | ||
3861aa5c | 111 | NetCopyIP(&NetOurIP, &bp->bp_yiaddr); |
5d110f0a | 112 | #if !defined(CONFIG_BOOTP_SERVERIP) |
3d3befa7 WD |
113 | NetCopyIP(&tmp_ip, &bp->bp_siaddr); |
114 | if (tmp_ip != 0) | |
115 | NetCopyIP(&NetServerIP, &bp->bp_siaddr); | |
d9bec9f4 | 116 | memcpy (NetServerEther, ((Ethernet_t *)NetRxPacket)->et_src, 6); |
5d110f0a | 117 | #endif |
3d3befa7 WD |
118 | if (strlen(bp->bp_file) > 0) |
119 | copy_filename (BootFile, bp->bp_file, sizeof(BootFile)); | |
3861aa5c | 120 | |
0ebf04c6 | 121 | debug("Bootfile: %s\n", BootFile); |
3861aa5c WD |
122 | |
123 | /* Propagate to environment: | |
8bde7f77 | 124 | * don't delete exising entry when BOOTP / DHCP reply does |
3861aa5c WD |
125 | * not contain a new value |
126 | */ | |
127 | if (*BootFile) { | |
128 | setenv ("bootfile", BootFile); | |
129 | } | |
130 | } | |
131 | ||
132 | static int truncate_sz (const char *name, int maxlen, int curlen) | |
133 | { | |
134 | if (curlen >= maxlen) { | |
135 | printf("*** WARNING: %s is too long (%d - max: %d) - truncated\n", | |
136 | name, curlen, maxlen); | |
137 | curlen = maxlen - 1; | |
138 | } | |
139 | return (curlen); | |
140 | } | |
141 | ||
643d1ab2 | 142 | #if !defined(CONFIG_CMD_DHCP) |
3861aa5c | 143 | |
232c150a | 144 | static void BootpVendorFieldProcess (u8 * ext) |
3861aa5c | 145 | { |
232c150a | 146 | int size = *(ext + 1); |
3861aa5c | 147 | |
0ebf04c6 | 148 | debug("[BOOTP] Processing extension %d... (%d bytes)\n", *ext, |
232c150a | 149 | *(ext + 1)); |
3861aa5c | 150 | |
232c150a | 151 | NetBootFileSize = 0; |
3861aa5c | 152 | |
232c150a WD |
153 | switch (*ext) { |
154 | /* Fixed length fields */ | |
1aeed8d7 | 155 | case 1: /* Subnet mask */ |
3861aa5c | 156 | if (NetOurSubnetMask == 0) |
232c150a | 157 | NetCopyIP (&NetOurSubnetMask, (IPaddr_t *) (ext + 2)); |
3861aa5c | 158 | break; |
1aeed8d7 | 159 | case 2: /* Time offset - Not yet supported */ |
3861aa5c | 160 | break; |
232c150a | 161 | /* Variable length fields */ |
1aeed8d7 | 162 | case 3: /* Gateways list */ |
3861aa5c | 163 | if (NetOurGatewayIP == 0) { |
232c150a | 164 | NetCopyIP (&NetOurGatewayIP, (IPaddr_t *) (ext + 2)); |
3861aa5c WD |
165 | } |
166 | break; | |
1aeed8d7 | 167 | case 4: /* Time server - Not yet supported */ |
3861aa5c | 168 | break; |
1aeed8d7 | 169 | case 5: /* IEN-116 name server - Not yet supported */ |
3861aa5c WD |
170 | break; |
171 | case 6: | |
172 | if (NetOurDNSIP == 0) { | |
232c150a | 173 | NetCopyIP (&NetOurDNSIP, (IPaddr_t *) (ext + 2)); |
3861aa5c | 174 | } |
1fe80d79 | 175 | #if defined(CONFIG_BOOTP_DNS2) |
fe389a82 | 176 | if ((NetOurDNS2IP == 0) && (size > 4)) { |
232c150a | 177 | NetCopyIP (&NetOurDNS2IP, (IPaddr_t *) (ext + 2 + 4)); |
fe389a82 SR |
178 | } |
179 | #endif | |
3861aa5c | 180 | break; |
1aeed8d7 | 181 | case 7: /* Log server - Not yet supported */ |
3861aa5c | 182 | break; |
1aeed8d7 | 183 | case 8: /* Cookie/Quote server - Not yet supported */ |
3861aa5c | 184 | break; |
1aeed8d7 | 185 | case 9: /* LPR server - Not yet supported */ |
3861aa5c | 186 | break; |
1aeed8d7 | 187 | case 10: /* Impress server - Not yet supported */ |
3861aa5c | 188 | break; |
1aeed8d7 | 189 | case 11: /* RPL server - Not yet supported */ |
3861aa5c | 190 | break; |
1aeed8d7 | 191 | case 12: /* Host name */ |
3861aa5c | 192 | if (NetOurHostName[0] == 0) { |
232c150a WD |
193 | size = truncate_sz ("Host Name", sizeof (NetOurHostName), size); |
194 | memcpy (&NetOurHostName, ext + 2, size); | |
195 | NetOurHostName[size] = 0; | |
3861aa5c WD |
196 | } |
197 | break; | |
1aeed8d7 | 198 | case 13: /* Boot file size */ |
3861aa5c | 199 | if (size == 2) |
232c150a | 200 | NetBootFileSize = ntohs (*(ushort *) (ext + 2)); |
3861aa5c | 201 | else if (size == 4) |
232c150a | 202 | NetBootFileSize = ntohl (*(ulong *) (ext + 2)); |
3861aa5c | 203 | break; |
1aeed8d7 | 204 | case 14: /* Merit dump file - Not yet supported */ |
3861aa5c | 205 | break; |
1aeed8d7 | 206 | case 15: /* Domain name - Not yet supported */ |
3861aa5c | 207 | break; |
1aeed8d7 | 208 | case 16: /* Swap server - Not yet supported */ |
3861aa5c | 209 | break; |
1aeed8d7 | 210 | case 17: /* Root path */ |
3861aa5c | 211 | if (NetOurRootPath[0] == 0) { |
232c150a WD |
212 | size = truncate_sz ("Root Path", sizeof (NetOurRootPath), size); |
213 | memcpy (&NetOurRootPath, ext + 2, size); | |
214 | NetOurRootPath[size] = 0; | |
3861aa5c WD |
215 | } |
216 | break; | |
1aeed8d7 | 217 | case 18: /* Extension path - Not yet supported */ |
3861aa5c | 218 | /* |
8bde7f77 WD |
219 | * This can be used to send the information of the |
220 | * vendor area in another file that the client can | |
221 | * access via TFTP. | |
3861aa5c WD |
222 | */ |
223 | break; | |
232c150a | 224 | /* IP host layer fields */ |
1aeed8d7 | 225 | case 40: /* NIS Domain name */ |
3861aa5c | 226 | if (NetOurNISDomain[0] == 0) { |
232c150a WD |
227 | size = truncate_sz ("NIS Domain Name", sizeof (NetOurNISDomain), size); |
228 | memcpy (&NetOurNISDomain, ext + 2, size); | |
229 | NetOurNISDomain[size] = 0; | |
3861aa5c WD |
230 | } |
231 | break; | |
232c150a | 232 | /* Application layer fields */ |
1aeed8d7 | 233 | case 43: /* Vendor specific info - Not yet supported */ |
3861aa5c | 234 | /* |
8bde7f77 WD |
235 | * Binary information to exchange specific |
236 | * product information. | |
3861aa5c WD |
237 | */ |
238 | break; | |
232c150a WD |
239 | /* Reserved (custom) fields (128..254) */ |
240 | } | |
3861aa5c WD |
241 | } |
242 | ||
232c150a | 243 | static void BootpVendorProcess (u8 * ext, int size) |
3861aa5c | 244 | { |
232c150a | 245 | u8 *end = ext + size; |
3861aa5c | 246 | |
0ebf04c6 | 247 | debug("[BOOTP] Checking extension (%d bytes)...\n", size); |
3861aa5c | 248 | |
232c150a WD |
249 | while ((ext < end) && (*ext != 0xff)) { |
250 | if (*ext == 0) { | |
251 | ext++; | |
252 | } else { | |
253 | u8 *opt = ext; | |
254 | ||
255 | ext += ext[1] + 2; | |
256 | if (ext <= end) | |
257 | BootpVendorFieldProcess (opt); | |
258 | } | |
3861aa5c | 259 | } |
3861aa5c | 260 | |
0ebf04c6 | 261 | debug("[BOOTP] Received fields: \n"); |
b6446b67 | 262 | if (NetOurSubnetMask) |
0ebf04c6 | 263 | debug("NetOurSubnetMask : %pI4\n", &NetOurSubnetMask); |
232c150a | 264 | |
b6446b67 | 265 | if (NetOurGatewayIP) |
0ebf04c6 | 266 | debug("NetOurGatewayIP : %pI4", &NetOurGatewayIP); |
232c150a | 267 | |
0ebf04c6 RG |
268 | if (NetBootFileSize) |
269 | debug("NetBootFileSize : %d\n", NetBootFileSize); | |
3861aa5c | 270 | |
0ebf04c6 RG |
271 | if (NetOurHostName[0]) |
272 | debug("NetOurHostName : %s\n", NetOurHostName); | |
232c150a | 273 | |
0ebf04c6 RG |
274 | if (NetOurRootPath[0]) |
275 | debug("NetOurRootPath : %s\n", NetOurRootPath); | |
232c150a | 276 | |
0ebf04c6 RG |
277 | if (NetOurNISDomain[0]) |
278 | debug("NetOurNISDomain : %s\n", NetOurNISDomain); | |
232c150a | 279 | |
0ebf04c6 RG |
280 | if (NetBootFileSize) |
281 | debug("NetBootFileSize: %d\n", NetBootFileSize); | |
232c150a | 282 | } |
3861aa5c WD |
283 | /* |
284 | * Handle a BOOTP received packet. | |
285 | */ | |
286 | static void | |
287 | BootpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len) | |
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 |
232c150a | 461 | *e++ = 255; /* End of the list */ |
3861aa5c | 462 | |
232c150a | 463 | /* Pad to minimal length */ |
3861aa5c | 464 | #ifdef CONFIG_DHCP_MIN_EXT_LEN |
232c150a WD |
465 | while ((e - start) <= CONFIG_DHCP_MIN_EXT_LEN) |
466 | *e++ = 0; | |
3861aa5c WD |
467 | #endif |
468 | ||
232c150a | 469 | return e - start; |
3861aa5c WD |
470 | } |
471 | ||
610f2e9c | 472 | #else |
3861aa5c | 473 | /* |
1fe80d79 | 474 | * Warning: no field size check - change CONFIG_BOOTP_* at your own risk! |
3861aa5c | 475 | */ |
232c150a | 476 | static int BootpExtended (u8 * e) |
3861aa5c | 477 | { |
232c150a | 478 | u8 *start = e; |
3861aa5c | 479 | |
232c150a WD |
480 | *e++ = 99; /* RFC1048 Magic Cookie */ |
481 | *e++ = 130; | |
482 | *e++ = 83; | |
483 | *e++ = 99; | |
3861aa5c | 484 | |
643d1ab2 | 485 | #if defined(CONFIG_CMD_DHCP) |
232c150a WD |
486 | *e++ = 53; /* DHCP Message Type */ |
487 | *e++ = 1; | |
488 | *e++ = DHCP_DISCOVER; | |
489 | ||
490 | *e++ = 57; /* Maximum DHCP Message Size */ | |
491 | *e++ = 2; | |
492 | *e++ = (576 - 312 + OPT_SIZE) >> 16; | |
493 | *e++ = (576 - 312 + OPT_SIZE) & 0xff; | |
610f2e9c | 494 | #endif |
3861aa5c | 495 | |
1fe80d79 | 496 | #if defined(CONFIG_BOOTP_SUBNETMASK) |
232c150a WD |
497 | *e++ = 1; /* Subnet mask request */ |
498 | *e++ = 4; | |
499 | e += 4; | |
3861aa5c WD |
500 | #endif |
501 | ||
1fe80d79 | 502 | #if defined(CONFIG_BOOTP_GATEWAY) |
232c150a WD |
503 | *e++ = 3; /* Default gateway request */ |
504 | *e++ = 4; | |
505 | e += 4; | |
3861aa5c WD |
506 | #endif |
507 | ||
1fe80d79 | 508 | #if defined(CONFIG_BOOTP_DNS) |
232c150a WD |
509 | *e++ = 6; /* Domain Name Server */ |
510 | *e++ = 4; | |
511 | e += 4; | |
3861aa5c WD |
512 | #endif |
513 | ||
1fe80d79 | 514 | #if defined(CONFIG_BOOTP_HOSTNAME) |
232c150a WD |
515 | *e++ = 12; /* Host name request */ |
516 | *e++ = 32; | |
517 | e += 32; | |
3861aa5c WD |
518 | #endif |
519 | ||
1fe80d79 | 520 | #if defined(CONFIG_BOOTP_BOOTFILESIZE) |
232c150a WD |
521 | *e++ = 13; /* Boot file size */ |
522 | *e++ = 2; | |
523 | e += 2; | |
3861aa5c WD |
524 | #endif |
525 | ||
1fe80d79 | 526 | #if defined(CONFIG_BOOTP_BOOTPATH) |
232c150a WD |
527 | *e++ = 17; /* Boot path */ |
528 | *e++ = 32; | |
529 | e += 32; | |
3861aa5c WD |
530 | #endif |
531 | ||
1fe80d79 | 532 | #if defined(CONFIG_BOOTP_NISDOMAIN) |
232c150a WD |
533 | *e++ = 40; /* NIS Domain name request */ |
534 | *e++ = 32; | |
535 | e += 32; | |
3861aa5c WD |
536 | #endif |
537 | ||
232c150a | 538 | *e++ = 255; /* End of the list */ |
3861aa5c | 539 | |
232c150a | 540 | return e - start; |
3861aa5c | 541 | } |
610f2e9c | 542 | #endif |
3861aa5c WD |
543 | |
544 | void | |
545 | BootpRequest (void) | |
546 | { | |
547 | volatile uchar *pkt, *iphdr; | |
548 | Bootp_t *bp; | |
549 | int ext_len, pktlen, iplen; | |
550 | ||
643d1ab2 | 551 | #if defined(CONFIG_CMD_DHCP) |
3861aa5c WD |
552 | dhcp_state = INIT; |
553 | #endif | |
554 | ||
555 | #ifdef CONFIG_BOOTP_RANDOM_DELAY /* Random BOOTP delay */ | |
556 | unsigned char bi_enetaddr[6]; | |
557 | int reg; | |
3861aa5c WD |
558 | ulong tst1, tst2, sum, m_mask, m_value = 0; |
559 | ||
560 | if (BootpTry ==0) { | |
561 | /* get our mac */ | |
95823ca0 MF |
562 | eth_getenv_enetaddr("ethaddr", bi_enetaddr); |
563 | ||
0ebf04c6 RG |
564 | debug("BootpRequest => Our Mac: "); |
565 | for (reg=0; reg<6; reg++) | |
566 | debug("%x%c", bi_enetaddr[reg], reg==5 ? '\n' : ':'); | |
3861aa5c WD |
567 | |
568 | /* Mac-Manipulation 2 get seed1 */ | |
569 | tst1=0; | |
570 | tst2=0; | |
571 | for (reg=2; reg<6; reg++) { | |
572 | tst1 = tst1 << 8; | |
573 | tst1 = tst1 | bi_enetaddr[reg]; | |
574 | } | |
575 | for (reg=0; reg<2; reg++) { | |
576 | tst2 = tst2 | bi_enetaddr[reg]; | |
577 | tst2 = tst2 << 8; | |
578 | } | |
579 | ||
580 | seed1 = tst1^tst2; | |
581 | ||
582 | /* Mirror seed1*/ | |
583 | m_mask=0x1; | |
584 | for (reg=1;reg<=32;reg++) { | |
585 | m_value |= (m_mask & seed1); | |
586 | seed1 = seed1 >> 1; | |
587 | m_value = m_value << 1; | |
588 | } | |
589 | seed1 = m_value; | |
590 | seed2 = 0xB78D0945; | |
591 | } | |
592 | ||
593 | /* Random Number Generator */ | |
594 | ||
595 | for (reg=0;reg<=0;reg++) { | |
596 | sum = seed1 + seed2; | |
597 | if (sum < seed1 || sum < seed2) | |
598 | sum++; | |
8bde7f77 | 599 | seed2 = seed1; |
3861aa5c WD |
600 | seed1 = sum; |
601 | ||
602 | if (BootpTry<=2) { /* Start with max 1024 * 1ms */ | |
603 | sum = sum >> (22-BootpTry); | |
604 | } else { /*After 3rd BOOTP request max 8192 * 1ms */ | |
605 | sum = sum >> 19; | |
606 | } | |
607 | } | |
608 | ||
609 | printf ("Random delay: %ld ms...\n", sum); | |
610 | for (reg=0; reg <sum; reg++) { | |
611 | udelay(1000); /*Wait 1ms*/ | |
612 | } | |
613 | #endif /* CONFIG_BOOTP_RANDOM_DELAY */ | |
614 | ||
615 | printf("BOOTP broadcast %d\n", ++BootpTry); | |
616 | pkt = NetTxPacket; | |
617 | memset ((void*)pkt, 0, PKTSIZE); | |
618 | ||
a3d991bd | 619 | pkt += NetSetEther(pkt, NetBcastAddr, PROT_IP); |
3861aa5c WD |
620 | |
621 | /* | |
622 | * Next line results in incorrect packet size being transmitted, resulting | |
623 | * in errors in some DHCP servers, reporting missing bytes. Size must be | |
624 | * set in packet header after extension length has been determined. | |
625 | * C. Hallinan, DS4.COM, Inc. | |
626 | */ | |
627 | /* NetSetIP(pkt, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC, sizeof (Bootp_t)); */ | |
628 | iphdr = pkt; /* We need this later for NetSetIP() */ | |
629 | pkt += IP_HDR_SIZE; | |
630 | ||
631 | bp = (Bootp_t *)pkt; | |
632 | bp->bp_op = OP_BOOTREQUEST; | |
633 | bp->bp_htype = HWT_ETHER; | |
634 | bp->bp_hlen = HWL_ETHER; | |
635 | bp->bp_hops = 0; | |
49f3bdbb | 636 | bp->bp_secs = htons(get_timer(0) / 1000); |
3861aa5c WD |
637 | NetWriteIP(&bp->bp_ciaddr, 0); |
638 | NetWriteIP(&bp->bp_yiaddr, 0); | |
639 | NetWriteIP(&bp->bp_siaddr, 0); | |
640 | NetWriteIP(&bp->bp_giaddr, 0); | |
641 | memcpy (bp->bp_chaddr, NetOurEther, 6); | |
642 | copy_filename (bp->bp_file, BootFile, sizeof(bp->bp_file)); | |
643 | ||
644 | /* Request additional information from the BOOTP/DHCP server */ | |
643d1ab2 | 645 | #if defined(CONFIG_CMD_DHCP) |
77ddac94 | 646 | ext_len = DhcpExtended((u8 *)bp->bp_vend, DHCP_DISCOVER, 0, 0); |
3861aa5c | 647 | #else |
77ddac94 | 648 | ext_len = BootpExtended((u8 *)bp->bp_vend); |
610f2e9c | 649 | #endif |
3861aa5c WD |
650 | |
651 | /* | |
652 | * Bootp ID is the lower 4 bytes of our ethernet address | |
49f3bdbb | 653 | * plus the current time in ms. |
3861aa5c WD |
654 | */ |
655 | BootpID = ((ulong)NetOurEther[2] << 24) | |
656 | | ((ulong)NetOurEther[3] << 16) | |
657 | | ((ulong)NetOurEther[4] << 8) | |
658 | | (ulong)NetOurEther[5]; | |
659 | BootpID += get_timer(0); | |
232c150a | 660 | BootpID = htonl(BootpID); |
3861aa5c WD |
661 | NetCopyLong(&bp->bp_id, &BootpID); |
662 | ||
663 | /* | |
664 | * Calculate proper packet lengths taking into account the | |
665 | * variable size of the options field | |
666 | */ | |
c9a2aab1 | 667 | pktlen = ((int)(pkt-NetTxPacket)) + BOOTP_HDR_SIZE - sizeof(bp->bp_vend) + ext_len; |
3861aa5c WD |
668 | iplen = BOOTP_HDR_SIZE - sizeof(bp->bp_vend) + ext_len; |
669 | NetSetIP(iphdr, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC, iplen); | |
49f3bdbb | 670 | NetSetTimeout(SELECT_TIMEOUT, BootpTimeout); |
3861aa5c | 671 | |
643d1ab2 | 672 | #if defined(CONFIG_CMD_DHCP) |
3861aa5c WD |
673 | dhcp_state = SELECTING; |
674 | NetSetHandler(DhcpHandler); | |
675 | #else | |
676 | NetSetHandler(BootpHandler); | |
610f2e9c | 677 | #endif |
3861aa5c WD |
678 | NetSendPacket(NetTxPacket, pktlen); |
679 | } | |
680 | ||
643d1ab2 | 681 | #if defined(CONFIG_CMD_DHCP) |
3b2e4fd9 | 682 | static void DhcpOptionsProcess (uchar * popt, Bootp_t *bp) |
3861aa5c | 683 | { |
3e38691e | 684 | uchar *end = popt + BOOTP_HDR_SIZE; |
3861aa5c WD |
685 | int oplen, size; |
686 | ||
232c150a | 687 | while (popt < end && *popt != 0xff) { |
3861aa5c | 688 | oplen = *(popt + 1); |
232c150a WD |
689 | switch (*popt) { |
690 | case 1: | |
691 | NetCopyIP (&NetOurSubnetMask, (popt + 2)); | |
692 | break; | |
1fe80d79 | 693 | #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET) |
ea287deb | 694 | case 2: /* Time offset */ |
135e19bc | 695 | NetCopyLong ((ulong *)&NetTimeOffset, (ulong *) (popt + 2)); |
ea287deb WD |
696 | NetTimeOffset = ntohl (NetTimeOffset); |
697 | break; | |
698 | #endif | |
232c150a WD |
699 | case 3: |
700 | NetCopyIP (&NetOurGatewayIP, (popt + 2)); | |
701 | break; | |
702 | case 6: | |
703 | NetCopyIP (&NetOurDNSIP, (popt + 2)); | |
1fe80d79 | 704 | #if defined(CONFIG_BOOTP_DNS2) |
232c150a WD |
705 | if (*(popt + 1) > 4) { |
706 | NetCopyIP (&NetOurDNS2IP, (popt + 2 + 4)); | |
707 | } | |
fe389a82 | 708 | #endif |
232c150a WD |
709 | break; |
710 | case 12: | |
711 | size = truncate_sz ("Host Name", sizeof (NetOurHostName), oplen); | |
712 | memcpy (&NetOurHostName, popt + 2, size); | |
713 | NetOurHostName[size] = 0; | |
714 | break; | |
715 | case 15: /* Ignore Domain Name Option */ | |
716 | break; | |
717 | case 17: | |
718 | size = truncate_sz ("Root Path", sizeof (NetOurRootPath), oplen); | |
719 | memcpy (&NetOurRootPath, popt + 2, size); | |
720 | NetOurRootPath[size] = 0; | |
721 | break; | |
1fe80d79 | 722 | #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER) |
ea287deb WD |
723 | case 42: /* NTP server IP */ |
724 | NetCopyIP (&NetNtpServerIP, (popt + 2)); | |
725 | break; | |
726 | #endif | |
232c150a WD |
727 | case 51: |
728 | NetCopyLong (&dhcp_leasetime, (ulong *) (popt + 2)); | |
729 | break; | |
730 | case 53: /* Ignore Message Type Option */ | |
731 | break; | |
732 | case 54: | |
733 | NetCopyIP (&NetDHCPServerIP, (popt + 2)); | |
734 | break; | |
735 | case 58: /* Ignore Renewal Time Option */ | |
736 | break; | |
737 | case 59: /* Ignore Rebinding Time Option */ | |
738 | break; | |
3b2e4fd9 WD |
739 | case 66: /* Ignore TFTP server name */ |
740 | break; | |
741 | case 67: /* vendor opt bootfile */ | |
742 | /* | |
743 | * I can't use dhcp_vendorex_proc here because I need | |
744 | * to write into the bootp packet - even then I had to | |
745 | * pass the bootp packet pointer into here as the | |
746 | * second arg | |
747 | */ | |
748 | size = truncate_sz ("Opt Boot File", | |
749 | sizeof(bp->bp_file), | |
750 | oplen); | |
751 | if (bp->bp_file[0] == '\0' && size > 0) { | |
752 | /* | |
753 | * only use vendor boot file if we didn't | |
754 | * receive a boot file in the main non-vendor | |
755 | * part of the packet - god only knows why | |
756 | * some vendors chose not to use this perfectly | |
757 | * good spot to store the boot file (join on | |
758 | * Tru64 Unix) it seems mind bogglingly crazy | |
759 | * to me | |
760 | */ | |
761 | printf("*** WARNING: using vendor " | |
762 | "optional boot file\n"); | |
763 | memcpy(bp->bp_file, popt + 2, size); | |
764 | bp->bp_file[size] = '\0'; | |
765 | } | |
766 | break; | |
232c150a | 767 | default: |
1fe80d79 | 768 | #if defined(CONFIG_BOOTP_VENDOREX) |
232c150a | 769 | if (dhcp_vendorex_proc (popt)) |
8bde7f77 | 770 | break; |
3861aa5c | 771 | #endif |
232c150a WD |
772 | printf ("*** Unhandled DHCP Option in OFFER/ACK: %d\n", *popt); |
773 | break; | |
3861aa5c WD |
774 | } |
775 | popt += oplen + 2; /* Process next option */ | |
776 | } | |
777 | } | |
778 | ||
779 | static int DhcpMessageType(unsigned char *popt) | |
780 | { | |
781 | if (NetReadLong((ulong*)popt) != htonl(BOOTP_VENDOR_MAGIC)) | |
782 | return -1; | |
783 | ||
784 | popt += 4; | |
785 | while ( *popt != 0xff ) { | |
786 | if ( *popt == 53 ) /* DHCP Message Type */ | |
787 | return *(popt + 2); | |
788 | popt += *(popt + 1) + 2; /* Scan through all options */ | |
789 | } | |
790 | return -1; | |
791 | } | |
792 | ||
3e38691e | 793 | static void DhcpSendRequestPkt(Bootp_t *bp_offer) |
3861aa5c WD |
794 | { |
795 | volatile uchar *pkt, *iphdr; | |
796 | Bootp_t *bp; | |
797 | int pktlen, iplen, extlen; | |
47cd00fa | 798 | IPaddr_t OfferedIP; |
3861aa5c | 799 | |
0ebf04c6 | 800 | debug("DhcpSendRequestPkt: Sending DHCPREQUEST\n"); |
3861aa5c WD |
801 | pkt = NetTxPacket; |
802 | memset ((void*)pkt, 0, PKTSIZE); | |
803 | ||
a3d991bd | 804 | pkt += NetSetEther(pkt, NetBcastAddr, PROT_IP); |
3861aa5c WD |
805 | |
806 | iphdr = pkt; /* We'll need this later to set proper pkt size */ | |
807 | pkt += IP_HDR_SIZE; | |
808 | ||
809 | bp = (Bootp_t *)pkt; | |
810 | bp->bp_op = OP_BOOTREQUEST; | |
811 | bp->bp_htype = HWT_ETHER; | |
812 | bp->bp_hlen = HWL_ETHER; | |
813 | bp->bp_hops = 0; | |
49f3bdbb | 814 | bp->bp_secs = htons(get_timer(0) / 1000); |
e5c794e4 JF |
815 | /* Do not set the client IP, your IP, or server IP yet, since it hasn't been ACK'ed by |
816 | * the server yet */ | |
817 | ||
c6686703 | 818 | /* |
d82718fe WD |
819 | * RFC3046 requires Relay Agents to discard packets with |
820 | * nonzero and offered giaddr | |
821 | */ | |
822 | NetWriteIP(&bp->bp_giaddr, 0); | |
823 | ||
3861aa5c WD |
824 | memcpy (bp->bp_chaddr, NetOurEther, 6); |
825 | ||
826 | /* | |
827 | * ID is the id of the OFFER packet | |
828 | */ | |
829 | ||
830 | NetCopyLong(&bp->bp_id, &bp_offer->bp_id); | |
831 | ||
832 | /* | |
833 | * Copy options from OFFER packet if present | |
834 | */ | |
e5c794e4 JF |
835 | |
836 | /* Copy offered IP into the parameters request list */ | |
837 | NetCopyIP(&OfferedIP, &bp_offer->bp_yiaddr); | |
77ddac94 | 838 | extlen = DhcpExtended((u8 *)bp->bp_vend, DHCP_REQUEST, NetDHCPServerIP, OfferedIP); |
3861aa5c | 839 | |
c9a2aab1 | 840 | pktlen = ((int)(pkt-NetTxPacket)) + BOOTP_HDR_SIZE - sizeof(bp->bp_vend) + extlen; |
3861aa5c WD |
841 | iplen = BOOTP_HDR_SIZE - sizeof(bp->bp_vend) + extlen; |
842 | NetSetIP(iphdr, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC, iplen); | |
843 | ||
0ebf04c6 | 844 | debug("Transmitting DHCPREQUEST packet: len = %d\n", pktlen); |
d9a2f416 AV |
845 | #ifdef CONFIG_BOOTP_DHCP_REQUEST_DELAY |
846 | udelay(CONFIG_BOOTP_DHCP_REQUEST_DELAY); | |
847 | #endif /* CONFIG_BOOTP_DHCP_REQUEST_DELAY */ | |
3861aa5c WD |
848 | NetSendPacket(NetTxPacket, pktlen); |
849 | } | |
850 | ||
851 | /* | |
852 | * Handle DHCP received packets. | |
853 | */ | |
854 | static void | |
855 | DhcpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len) | |
856 | { | |
857 | Bootp_t *bp = (Bootp_t *)pkt; | |
858 | ||
0ebf04c6 | 859 | debug("DHCPHandler: got packet: (src=%d, dst=%d, len=%d) state: %d\n", |
3861aa5c WD |
860 | src, dest, len, dhcp_state); |
861 | ||
232c150a | 862 | if (BootpCheckPkt(pkt, dest, src, len)) /* Filter out pkts we don't want */ |
3861aa5c WD |
863 | return; |
864 | ||
0ebf04c6 | 865 | debug("DHCPHandler: got DHCP packet: (src=%d, dst=%d, len=%d) state: %d\n", |
3861aa5c WD |
866 | src, dest, len, dhcp_state); |
867 | ||
868 | switch (dhcp_state) { | |
869 | case SELECTING: | |
870 | /* | |
871 | * Wait an appropriate time for any potential DHCPOFFER packets | |
872 | * to arrive. Then select one, and generate DHCPREQUEST response. | |
873 | * If filename is in format we recognize, assume it is a valid | |
874 | * OFFER from a server we want. | |
875 | */ | |
0ebf04c6 | 876 | debug("DHCP: state=SELECTING bp_file: \"%s\"\n", bp->bp_file); |
6d0f6bcf | 877 | #ifdef CONFIG_SYS_BOOTFILE_PREFIX |
3861aa5c | 878 | if (strncmp(bp->bp_file, |
6d0f6bcf JCPV |
879 | CONFIG_SYS_BOOTFILE_PREFIX, |
880 | strlen(CONFIG_SYS_BOOTFILE_PREFIX)) == 0 ) { | |
881 | #endif /* CONFIG_SYS_BOOTFILE_PREFIX */ | |
3861aa5c | 882 | |
0ebf04c6 | 883 | debug("TRANSITIONING TO REQUESTING STATE\n"); |
3861aa5c | 884 | dhcp_state = REQUESTING; |
759a51b4 | 885 | |
3861aa5c | 886 | if (NetReadLong((ulong*)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC)) |
3b2e4fd9 | 887 | DhcpOptionsProcess((u8 *)&bp->bp_vend[4], bp); |
3861aa5c | 888 | |
49f3bdbb | 889 | NetSetTimeout(TIMEOUT, BootpTimeout); |
3861aa5c | 890 | DhcpSendRequestPkt(bp); |
6d0f6bcf | 891 | #ifdef CONFIG_SYS_BOOTFILE_PREFIX |
3861aa5c | 892 | } |
6d0f6bcf | 893 | #endif /* CONFIG_SYS_BOOTFILE_PREFIX */ |
3861aa5c WD |
894 | |
895 | return; | |
896 | break; | |
897 | case REQUESTING: | |
0ebf04c6 | 898 | debug("DHCP State: REQUESTING\n"); |
3861aa5c | 899 | |
77ddac94 | 900 | if ( DhcpMessageType((u8 *)bp->bp_vend) == DHCP_ACK ) { |
3861aa5c WD |
901 | char *s; |
902 | ||
903 | if (NetReadLong((ulong*)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC)) | |
3b2e4fd9 | 904 | DhcpOptionsProcess((u8 *)&bp->bp_vend[4], bp); |
232c150a | 905 | BootpCopyNetParams(bp); /* Store net params from reply */ |
3861aa5c | 906 | dhcp_state = BOUND; |
b6446b67 | 907 | printf ("DHCP client bound to address %pI4\n", &NetOurIP); |
3861aa5c WD |
908 | |
909 | /* Obey the 'autoload' setting */ | |
132ba5fd WD |
910 | if ((s = getenv("autoload")) != NULL) { |
911 | if (*s == 'n') { | |
912 | /* | |
913 | * Just use BOOTP to configure system; | |
914 | * Do not use TFTP to load the bootfile. | |
915 | */ | |
916 | NetState = NETLOOP_SUCCESS; | |
917 | return; | |
643d1ab2 | 918 | #if defined(CONFIG_CMD_NFS) |
132ba5fd WD |
919 | } else if (strcmp(s, "NFS") == 0) { |
920 | /* | |
921 | * Use NFS to load the bootfile. | |
922 | */ | |
923 | NfsStart(); | |
924 | return; | |
0e6d798c | 925 | #endif |
132ba5fd | 926 | } |
3861aa5c | 927 | } |
73a8b27c | 928 | TftpStart(); |
3861aa5c WD |
929 | return; |
930 | } | |
931 | break; | |
51dfe138 RB |
932 | case BOUND: |
933 | /* DHCP client bound to address */ | |
934 | break; | |
3861aa5c | 935 | default: |
4b9206ed | 936 | puts ("DHCP: INVALID STATE\n"); |
3861aa5c WD |
937 | break; |
938 | } | |
939 | ||
940 | } | |
941 | ||
942 | void DhcpRequest(void) | |
943 | { | |
944 | BootpRequest(); | |
945 | } | |
992742a5 | 946 | #endif /* CONFIG_CMD_DHCP */ |
e5c794e4 | 947 | |
992742a5 | 948 | #endif /* CONFIG_CMD_NET */ |