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 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
  32
  33 static int netboot_common (proto_t, cmd_tbl_t *, int , char *[]);
  34
  35 int do_bootp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
  36 {
  37         return netboot_common (BOOTP, cmdtp, argc, argv);
  38 }
  39
  40 U_BOOT_CMD(
  41         bootp,  3,      1,      do_bootp,
  42         "bootp\t- boot image via network using BootP/TFTP protocol\n",
  43         "[loadAddress] [bootfilename]\n"
  44 );
  45
  46 int do_tftpb (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
  47 {
  48         return netboot_common (TFTP, cmdtp, argc, argv);
  49 }
  50
  51 U_BOOT_CMD(
  52         tftpboot,       3,      1,      do_tftpb,
  53         "tftpboot- boot image via network using TFTP protocol\n",
  54         "[loadAddress] [[hostIPaddr:]bootfilename]\n"
  55 );
  56
  57 int do_rarpb (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
  58 {
  59         return netboot_common (RARP, cmdtp, argc, argv);
  60 }
  61
  62 U_BOOT_CMD(
  63         rarpboot,       3,      1,      do_rarpb,
  64         "rarpboot- boot image via network using RARP/TFTP protocol\n",
  65         "[loadAddress] [bootfilename]\n"
  66 );
  67
  68 #if defined(CONFIG_CMD_DHCP)
  69 int do_dhcp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
  70 {
  71         return netboot_common(DHCP, cmdtp, argc, argv);
  72 }
  73
  74 U_BOOT_CMD(
  75         dhcp,   3,      1,      do_dhcp,
  76         "dhcp\t- invoke DHCP client to obtain IP/boot params\n",
  77         "\n"
  78 );
  79 #endif
  80
  81 #if defined(CONFIG_CMD_NFS)
  82 int do_nfs (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
  83 {
  84         return netboot_common(NFS, cmdtp, argc, argv);
  85 }
  86
  87 U_BOOT_CMD(
  88         nfs,    3,      1,      do_nfs,
  89         "nfs\t- boot image via network using NFS protocol\n",
  90         "[loadAddress] [[hostIPaddr:]bootfilename]\n"
  91 );
  92 #endif
  93
  94 static void netboot_update_env (void)
  95 {
  96         char tmp[22];
  97
  98         if (NetOurGatewayIP) {
  99                 ip_to_string (NetOurGatewayIP, tmp);
 100                 setenv ("gatewayip", tmp);
 101         }
 102
 103         if (NetOurSubnetMask) {
 104                 ip_to_string (NetOurSubnetMask, tmp);
 105                 setenv ("netmask", tmp);
 106         }
 107
 108         if (NetOurHostName[0])
 109                 setenv ("hostname", NetOurHostName);
 110
 111         if (NetOurRootPath[0])
 112                 setenv ("rootpath", NetOurRootPath);
 113
 114         if (NetOurIP) {
 115                 ip_to_string (NetOurIP, tmp);
 116                 setenv ("ipaddr", tmp);
 117         }
 118
 119         if (NetServerIP) {
 120                 ip_to_string (NetServerIP, tmp);
 121                 setenv ("serverip", tmp);
 122         }
 123
 124         if (NetOurDNSIP) {
 125                 ip_to_string (NetOurDNSIP, tmp);
 126                 setenv ("dnsip", tmp);
 127         }
 128 #if defined(CONFIG_BOOTP_DNS2)
 129         if (NetOurDNS2IP) {
 130                 ip_to_string (NetOurDNS2IP, tmp);
 131                 setenv ("dnsip2", tmp);
 132         }
 133 #endif
 134         if (NetOurNISDomain[0])
 135                 setenv ("domain", NetOurNISDomain);
 136
 137 #if defined(CONFIG_CMD_SNTP) \
 138     && defined(CONFIG_BOOTP_TIMEOFFSET)
 139         if (NetTimeOffset) {
 140                 sprintf (tmp, "%d", NetTimeOffset);
 141                 setenv ("timeoffset", tmp);
 142         }
 143 #endif
 144 #if defined(CONFIG_CMD_SNTP) \
 145     && defined(CONFIG_BOOTP_NTPSERVER)
 146         if (NetNtpServerIP) {
 147                 ip_to_string (NetNtpServerIP, tmp);
 148                 setenv ("ntpserverip", tmp);
 149         }
 150 #endif
 151 }
 152
 153 static int
 154 netboot_common (proto_t proto, cmd_tbl_t *cmdtp, int argc, char *argv[])
 155 {
 156         char *s;
 157         int   rcode = 0;
 158         int   size;
 159
 160         /* pre-set load_addr */
 161         if ((s = getenv("loadaddr")) != NULL) {
 162                 load_addr = simple_strtoul(s, NULL, 16);
 163         }
 164
 165         switch (argc) {
 166         case 1:
 167                 break;
 168
 169         case 2: /* only one arg - accept two forms:
 170                  * just load address, or just boot file name.
 171                  * The latter form must be written "filename" here.
 172                  */
 173                 if (argv[1][0] == '"') {        /* just boot filename */
 174                         copy_filename (BootFile, argv[1], sizeof(BootFile));
 175                 } else {                        /* load address */
 176                         load_addr = simple_strtoul(argv[1], NULL, 16);
 177                 }
 178                 break;
 179
 180         case 3: load_addr = simple_strtoul(argv[1], NULL, 16);
 181                 copy_filename (BootFile, argv[2], sizeof(BootFile));
 182
 183                 break;
 184
 185         default: printf ("Usage:\n%s\n", cmdtp->usage);
 186                 show_boot_progress (-80);
 187                 return 1;
 188         }
 189
 190         show_boot_progress (80);
 191         if ((size = NetLoop(proto)) < 0) {
 192                 show_boot_progress (-81);
 193                 return 1;
 194         }
 195
 196         show_boot_progress (81);
 197         /* NetLoop ok, update environment */
 198         netboot_update_env();
 199
 200         /* done if no file was loaded (no errors though) */
 201         if (size == 0) {
 202                 show_boot_progress (-82);
 203                 return 0;
 204         }
 205
 206         /* flush cache */
 207         flush_cache(load_addr, size);
 208
 209         /* Loading ok, check if we should attempt an auto-start */
 210         if (((s = getenv("autostart")) != NULL) && (strcmp(s,"yes") == 0)) {
 211                 char *local_args[2];
 212                 local_args[0] = argv[0];
 213                 local_args[1] = NULL;
 214
 215                 printf ("Automatic boot of image at addr 0x%08lX ...\n",
 216                         load_addr);
 217                 show_boot_progress (82);
 218                 rcode = do_bootm (cmdtp, 0, 1, local_args);
 219         }
 220
 221 #ifdef CONFIG_AUTOSCRIPT
 222         if (((s = getenv("autoscript")) != NULL) && (strcmp(s,"yes") == 0)) {
 223                 printf ("Running autoscript at addr 0x%08lX", load_addr);
 224
 225                 s = getenv ("autoscript_uname");
 226                 if (s)
 227                         printf (":%s ...\n", s);
 228                 else
 229                         puts (" ...\n");
 230
 231                 show_boot_progress (83);
 232                 rcode = autoscript (load_addr, s);
 233         }
 234 #endif
 235         if (rcode < 0)
 236                 show_boot_progress (-83);
 237         else
 238                 show_boot_progress (84);
 239         return rcode;
 240 }
 241
 242 #if defined(CONFIG_CMD_PING)
 243 int do_ping (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 244 {
 245         if (argc < 2)
 246                 return -1;
 247
 248         NetPingIP = string_to_ip(argv[1]);
 249         if (NetPingIP == 0) {
 250                 printf ("Usage:\n%s\n", cmdtp->usage);
 251                 return -1;
 252         }
 253
 254         if (NetLoop(PING) < 0) {
 255                 printf("ping failed; host %s is not alive\n", argv[1]);
 256                 return 1;
 257         }
 258
 259         printf("host %s is alive\n", argv[1]);
 260
 261         return 0;
 262 }
 263
 264 U_BOOT_CMD(
 265         ping,   2,      1,      do_ping,
 266         "ping\t- send ICMP ECHO_REQUEST to network host\n",
 267         "pingAddress\n"
 268 );
 269 #endif
 270
 271 #if defined(CONFIG_CMD_CDP)
 272
 273 static void cdp_update_env(void)
 274 {
 275         char tmp[16];
 276
 277         if (CDPApplianceVLAN != htons(-1)) {
 278                 printf("CDP offered appliance VLAN %d\n", ntohs(CDPApplianceVLAN));
 279                 VLAN_to_string(CDPApplianceVLAN, tmp);
 280                 setenv("vlan", tmp);
 281                 NetOurVLAN = CDPApplianceVLAN;
 282         }
 283
 284         if (CDPNativeVLAN != htons(-1)) {
 285                 printf("CDP offered native VLAN %d\n", ntohs(CDPNativeVLAN));
 286                 VLAN_to_string(CDPNativeVLAN, tmp);
 287                 setenv("nvlan", tmp);
 288                 NetOurNativeVLAN = CDPNativeVLAN;
 289         }
 290
 291 }
 292
 293 int do_cdp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 294 {
 295         int r;
 296
 297         r = NetLoop(CDP);
 298         if (r < 0) {
 299                 printf("cdp failed; perhaps not a CISCO switch?\n");
 300                 return 1;
 301         }
 302
 303         cdp_update_env();
 304
 305         return 0;
 306 }
 307
 308 U_BOOT_CMD(
 309         cdp,    1,      1,      do_cdp,
 310         "cdp\t- Perform CDP network configuration\n",
 311 );
 312 #endif
 313
 314 #if defined(CONFIG_CMD_SNTP)
 315 int do_sntp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 316 {
 317         char *toff;
 318
 319         if (argc < 2) {
 320                 NetNtpServerIP = getenv_IPaddr ("ntpserverip");
 321                 if (NetNtpServerIP == 0) {
 322                         printf ("ntpserverip not set\n");
 323                         return (1);
 324                 }
 325         } else {
 326                 NetNtpServerIP = string_to_ip(argv[1]);
 327                 if (NetNtpServerIP == 0) {
 328                         printf ("Bad NTP server IP address\n");
 329                         return (1);
 330                 }
 331         }
 332
 333         toff = getenv ("timeoffset");
 334         if (toff == NULL) NetTimeOffset = 0;
 335         else NetTimeOffset = simple_strtol (toff, NULL, 10);
 336
 337         if (NetLoop(SNTP) < 0) {
 338                 printf("SNTP failed: host %s not responding\n", argv[1]);
 339                 return 1;
 340         }
 341
 342         return 0;
 343 }
 344
 345 U_BOOT_CMD(
 346         sntp,   2,      1,      do_sntp,
 347         "sntp\t- synchronize RTC via network\n",
 348         "[NTP server IP]\n"
 349 );
 350 #endif