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