common/cmd_net.c

   1 /*
   2  * (C) Copyright 2000
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 /*
  25  * Boot support
  26  */
  27 #include <common.h>
  28 #include <command.h>
  29 #include <net.h>
  30
  31 #if (CONFIG_COMMANDS & CFG_CMD_NET)
  32
  33 #ifdef CONFIG_SHOW_BOOT_PROGRESS
  34 # include <status_led.h>
  35 extern void show_boot_progress (int val);
  36 # define SHOW_BOOT_PROGRESS(arg)        show_boot_progress (arg)
  37 #else
  38 # define SHOW_BOOT_PROGRESS(arg)
  39 #endif
  40
  41 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
  42
  43 static int netboot_common (proto_t, cmd_tbl_t *, int , char *[]);
  44
  45 int do_bootp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
  46 {
  47         return netboot_common (BOOTP, cmdtp, argc, argv);
  48 }
  49
  50 U_BOOT_CMD(
  51         bootp,  3,      1,      do_bootp,
  52         "bootp\t- boot image via network using BootP/TFTP protocol\n",
  53         "[loadAddress] [bootfilename]\n"
  54 );
  55
  56 int do_tftpb (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
  57 {
  58         return netboot_common (TFTP, cmdtp, argc, argv);
  59 }
  60
  61 U_BOOT_CMD(
  62         tftpboot,       3,      1,      do_tftpb,
  63         "tftpboot- boot image via network using TFTP protocol\n",
  64         "[loadAddress] [bootfilename]\n"
  65 );
  66
  67 int do_rarpb (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
  68 {
  69         return netboot_common (RARP, cmdtp, argc, argv);
  70 }
  71
  72 U_BOOT_CMD(
  73         rarpboot,       3,      1,      do_rarpb,
  74         "rarpboot- boot image via network using RARP/TFTP protocol\n",
  75         "[loadAddress] [bootfilename]\n"
  76 );
  77
  78 #if (CONFIG_COMMANDS & CFG_CMD_DHCP)
  79 int do_dhcp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
  80 {
  81         return netboot_common(DHCP, cmdtp, argc, argv);
  82 }
  83
  84 U_BOOT_CMD(
  85         dhcp,   3,      1,      do_dhcp,
  86         "dhcp\t- invoke DHCP client to obtain IP/boot params\n",
  87         "\n"
  88 );
  89 #endif  /* CFG_CMD_DHCP */
  90
  91 #if (CONFIG_COMMANDS & CFG_CMD_NFS)
  92 int do_nfs (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
  93 {
  94         return netboot_common(NFS, cmdtp, argc, argv);
  95 }
  96
  97 U_BOOT_CMD(
  98         nfs,    3,      1,      do_nfs,
  99         "nfs\t- boot image via network using NFS protocol\n",
 100         "[loadAddress] [host ip addr:bootfilename]\n"
 101 );
 102 #endif  /* CFG_CMD_NFS */
 103
 104 static void netboot_update_env (void)
 105 {
 106         char tmp[22];
 107
 108         if (NetOurGatewayIP) {
 109                 ip_to_string (NetOurGatewayIP, tmp);
 110                 setenv ("gatewayip", tmp);
 111         }
 112
 113         if (NetOurSubnetMask) {
 114                 ip_to_string (NetOurSubnetMask, tmp);
 115                 setenv ("netmask", tmp);
 116         }
 117
 118         if (NetOurHostName[0])
 119                 setenv ("hostname", NetOurHostName);
 120
 121         if (NetOurRootPath[0])
 122                 setenv ("rootpath", NetOurRootPath);
 123
 124         if (NetOurIP) {
 125                 ip_to_string (NetOurIP, tmp);
 126                 setenv ("ipaddr", tmp);
 127         }
 128
 129         if (NetServerIP) {
 130                 ip_to_string (NetServerIP, tmp);
 131                 setenv ("serverip", tmp);
 132         }
 133
 134         if (NetOurDNSIP) {
 135                 ip_to_string (NetOurDNSIP, tmp);
 136                 setenv ("dnsip", tmp);
 137         }
 138 #if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_DNS2)
 139         if (NetOurDNS2IP) {
 140                 ip_to_string (NetOurDNS2IP, tmp);
 141                 setenv ("dnsip2", tmp);
 142         }
 143 #endif
 144         if (NetOurNISDomain[0])
 145                 setenv ("domain", NetOurNISDomain);
 146
 147 #if (CONFIG_COMMANDS & CFG_CMD_SNTP) && (CONFIG_BOOTP_MASK & CONFIG_BOOTP_TIMEOFFSET)
 148         if (NetTimeOffset) {
 149                 sprintf (tmp, "%d", NetTimeOffset);
 150                 setenv ("timeoffset", tmp);
 151         }
 152 #endif
 153 #if (CONFIG_COMMANDS & CFG_CMD_SNTP) && (CONFIG_BOOTP_MASK & CONFIG_BOOTP_NTPSERVER)
 154         if (NetNtpServerIP) {
 155                 ip_to_string (NetNtpServerIP, tmp);
 156                 setenv ("ntpserverip", tmp);
 157         }
 158 #endif
 159 }
 160
 161 static int
 162 netboot_common (proto_t proto, cmd_tbl_t *cmdtp, int argc, char *argv[])
 163 {
 164         char *s;
 165         int   rcode = 0;
 166         int   size;
 167
 168         /* pre-set load_addr */
 169         if ((s = getenv("loadaddr")) != NULL) {
 170                 load_addr = simple_strtoul(s, NULL, 16);
 171         }
 172
 173         switch (argc) {
 174         case 1:
 175                 break;
 176
 177         case 2: /* only one arg - accept two forms:
 178                  * just load address, or just boot file name.
 179                  * The latter form must be written "filename" here.
 180                  */
 181                 if (argv[1][0] == '"') {        /* just boot filename */
 182                         copy_filename (BootFile, argv[1], sizeof(BootFile));
 183                 } else {                        /* load address */
 184                         load_addr = simple_strtoul(argv[1], NULL, 16);
 185                 }
 186                 break;
 187
 188         case 3: load_addr = simple_strtoul(argv[1], NULL, 16);
 189                 copy_filename (BootFile, argv[2], sizeof(BootFile));
 190
 191                 break;
 192
 193         default: printf ("Usage:\n%s\n", cmdtp->usage);
 194                 SHOW_BOOT_PROGRESS(-80);
 195                 return 1;
 196         }
 197
 198         SHOW_BOOT_PROGRESS(80);
 199         if ((size = NetLoop(proto)) < 0) {
 200                 SHOW_BOOT_PROGRESS(-81);
 201                 return 1;
 202         }
 203
 204         SHOW_BOOT_PROGRESS(81);
 205         /* NetLoop ok, update environment */
 206         netboot_update_env();
 207
 208         /* done if no file was loaded (no errors though) */
 209         if (size == 0) {
 210                 SHOW_BOOT_PROGRESS(-82);
 211                 return 0;
 212         }
 213
 214         /* flush cache */
 215         flush_cache(load_addr, size);
 216
 217         /* Loading ok, check if we should attempt an auto-start */
 218         if (((s = getenv("autostart")) != NULL) && (strcmp(s,"yes") == 0)) {
 219                 char *local_args[2];
 220                 local_args[0] = argv[0];
 221                 local_args[1] = NULL;
 222
 223                 printf ("Automatic boot of image at addr 0x%08lX ...\n",
 224                         load_addr);
 225                 SHOW_BOOT_PROGRESS(82);
 226                 rcode = do_bootm (cmdtp, 0, 1, local_args);
 227         }
 228
 229 #ifdef CONFIG_AUTOSCRIPT
 230         if (((s = getenv("autoscript")) != NULL) && (strcmp(s,"yes") == 0)) {
 231                 printf("Running autoscript at addr 0x%08lX ...\n", load_addr);
 232                 SHOW_BOOT_PROGRESS(83);
 233                 rcode = autoscript (load_addr);
 234         }
 235 #endif
 236 #if defined(CONFIG_SHOW_BOOT_PROGRESS)
 237         if (rcode < 0)
 238                 SHOW_BOOT_PROGRESS(-83);
 239         else
 240                 SHOW_BOOT_PROGRESS(84);
 241 #endif
 242         return rcode;
 243 }
 244
 245 #if (CONFIG_COMMANDS & CFG_CMD_PING)
 246 int do_ping (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 247 {
 248         if (argc < 2)
 249                 return -1;
 250
 251         NetPingIP = string_to_ip(argv[1]);
 252         if (NetPingIP == 0) {
 253                 printf ("Usage:\n%s\n", cmdtp->usage);
 254                 return -1;
 255         }
 256
 257         if (NetLoop(PING) < 0) {
 258                 printf("ping failed; host %s is not alive\n", argv[1]);
 259                 return 1;
 260         }
 261
 262         printf("host %s is alive\n", argv[1]);
 263
 264         return 0;
 265 }
 266
 267 U_BOOT_CMD(
 268         ping,   2,      1,      do_ping,
 269         "ping\t- send ICMP ECHO_REQUEST to network host\n",
 270         "pingAddress\n"
 271 );
 272 #endif  /* CFG_CMD_PING */
 273
 274 #if (CONFIG_COMMANDS & CFG_CMD_CDP)
 275
 276 static void cdp_update_env(void)
 277 {
 278         char tmp[16];
 279
 280         if (CDPApplianceVLAN != htons(-1)) {
 281                 printf("CDP offered appliance VLAN %d\n", ntohs(CDPApplianceVLAN));
 282                 VLAN_to_string(CDPApplianceVLAN, tmp);
 283                 setenv("vlan", tmp);
 284                 NetOurVLAN = CDPApplianceVLAN;
 285         }
 286
 287         if (CDPNativeVLAN != htons(-1)) {
 288                 printf("CDP offered native VLAN %d\n", ntohs(CDPNativeVLAN));
 289                 VLAN_to_string(CDPNativeVLAN, tmp);
 290                 setenv("nvlan", tmp);
 291                 NetOurNativeVLAN = CDPNativeVLAN;
 292         }
 293
 294 }
 295
 296 int do_cdp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 297 {
 298         int r;
 299
 300         r = NetLoop(CDP);
 301         if (r < 0) {
 302                 printf("cdp failed; perhaps not a CISCO switch?\n");
 303                 return 1;
 304         }
 305
 306         cdp_update_env();
 307
 308         return 0;
 309 }
 310
 311 U_BOOT_CMD(
 312         cdp,    1,      1,      do_cdp,
 313         "cdp\t- Perform CDP network configuration\n",
 314 );
 315 #endif  /* CFG_CMD_CDP */
 316
 317 #if (CONFIG_COMMANDS & CFG_CMD_SNTP)
 318 int do_sntp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 319 {
 320         char *toff;
 321
 322         if (argc < 2) {
 323                 NetNtpServerIP = getenv_IPaddr ("ntpserverip");
 324                 if (NetNtpServerIP == 0) {
 325                         printf ("ntpserverip not set\n");
 326                         return (1);
 327                 }
 328         } else {
 329                 NetNtpServerIP = string_to_ip(argv[1]);
 330                 if (NetNtpServerIP == 0) {
 331                         printf ("Bad NTP server IP address\n");
 332                         return (1);
 333                 }
 334         }
 335
 336         toff = getenv ("timeoffset");
 337         if (toff == NULL) NetTimeOffset = 0;
 338         else NetTimeOffset = simple_strtol (toff, NULL, 10);
 339
 340         if (NetLoop(SNTP) < 0) {
 341                 printf("SNTP failed: host %s not responding\n", argv[1]);
 342                 return 1;
 343         }
 344
 345         return 0;
 346 }
 347
 348 U_BOOT_CMD(
 349         sntp,   2,      1,      do_sntp,
 350         "sntp\t- synchronize RTC via network\n",
 351         "[NTP server IP]\n"
 352 );
 353 #endif  /* CFG_CMD_SNTP */
 354
 355 #endif  /* CFG_CMD_NET */