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