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
  34 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
  35
  36 static int netboot_common (proto_t, 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 defined(CONFIG_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 defined(CONFIG_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 defined(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 defined(CONFIG_CMD_SNTP) \
 141     && defined(CONFIG_BOOTP_TIMEOFFSET)
 142         if (NetTimeOffset) {
 143                 sprintf (tmp, "%d", NetTimeOffset);
 144                 setenv ("timeoffset", tmp);
 145         }
 146 #endif
 147 #if defined(CONFIG_CMD_SNTP) \
 148     && defined(CONFIG_BOOTP_NTPSERVER)
 149         if (NetNtpServerIP) {
 150                 ip_to_string (NetNtpServerIP, tmp);
 151                 setenv ("ntpserverip", tmp);
 152         }
 153 #endif
 154 }
 155
 156 static int
 157 netboot_common (proto_t proto, cmd_tbl_t *cmdtp, int argc, char *argv[])
 158 {
 159         char *s;
 160         int   rcode = 0;
 161         int   size;
 162
 163         /* pre-set load_addr */
 164         if ((s = getenv("loadaddr")) != NULL) {
 165                 load_addr = simple_strtoul(s, NULL, 16);
 166         }
 167
 168         switch (argc) {
 169         case 1:
 170                 break;
 171
 172         case 2: /* only one arg - accept two forms:
 173                  * just load address, or just boot file name.
 174                  * The latter form must be written "filename" here.
 175                  */
 176                 if (argv[1][0] == '"') {        /* just boot filename */
 177                         copy_filename (BootFile, argv[1], sizeof(BootFile));
 178                 } else {                        /* load address */
 179                         load_addr = simple_strtoul(argv[1], NULL, 16);
 180                 }
 181                 break;
 182
 183         case 3: load_addr = simple_strtoul(argv[1], NULL, 16);
 184                 copy_filename (BootFile, argv[2], sizeof(BootFile));
 185
 186                 break;
 187
 188         default: printf ("Usage:\n%s\n", cmdtp->usage);
 189                 return 1;
 190         }
 191
 192         if ((size = NetLoop(proto)) < 0)
 193                 return 1;
 194
 195         /* NetLoop ok, update environment */
 196         netboot_update_env();
 197
 198         /* done if no file was loaded (no errors though) */
 199         if (size == 0)
 200                 return 0;
 201
 202         /* flush cache */
 203         flush_cache(load_addr, size);
 204
 205         /* Loading ok, check if we should attempt an auto-start */
 206         if (((s = getenv("autostart")) != NULL) && (strcmp(s,"yes") == 0)) {
 207                 char *local_args[2];
 208                 local_args[0] = argv[0];
 209                 local_args[1] = NULL;
 210
 211                 printf ("Automatic boot of image at addr 0x%08lX ...\n",
 212                         load_addr);
 213                 rcode = do_bootm (cmdtp, 0, 1, local_args);
 214         }
 215
 216 #ifdef CONFIG_AUTOSCRIPT
 217         if (((s = getenv("autoscript")) != NULL) && (strcmp(s,"yes") == 0)) {
 218                 printf("Running autoscript at addr 0x%08lX ...\n", load_addr);
 219                 rcode = autoscript (load_addr);
 220         }
 221 #endif
 222         return rcode;
 223 }
 224
 225 #if defined(CONFIG_CMD_PING)
 226 int do_ping (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 227 {
 228         if (argc < 2)
 229                 return -1;
 230
 231         NetPingIP = string_to_ip(argv[1]);
 232         if (NetPingIP == 0) {
 233                 printf ("Usage:\n%s\n", cmdtp->usage);
 234                 return -1;
 235         }
 236
 237         if (NetLoop(PING) < 0) {
 238                 printf("ping failed; host %s is not alive\n", argv[1]);
 239                 return 1;
 240         }
 241
 242         printf("host %s is alive\n", argv[1]);
 243
 244         return 0;
 245 }
 246
 247 U_BOOT_CMD(
 248         ping,   2,      1,      do_ping,
 249         "ping\t- send ICMP ECHO_REQUEST to network host\n",
 250         "pingAddress\n"
 251 );
 252 #endif  /* CFG_CMD_PING */
 253
 254 #if defined(CONFIG_CMD_CDP)
 255
 256 static void cdp_update_env(void)
 257 {
 258         char tmp[16];
 259
 260         if (CDPApplianceVLAN != htons(-1)) {
 261                 printf("CDP offered appliance VLAN %d\n", ntohs(CDPApplianceVLAN));
 262                 VLAN_to_string(CDPApplianceVLAN, tmp);
 263                 setenv("vlan", tmp);
 264                 NetOurVLAN = CDPApplianceVLAN;
 265         }
 266
 267         if (CDPNativeVLAN != htons(-1)) {
 268                 printf("CDP offered native VLAN %d\n", ntohs(CDPNativeVLAN));
 269                 VLAN_to_string(CDPNativeVLAN, tmp);
 270                 setenv("nvlan", tmp);
 271                 NetOurNativeVLAN = CDPNativeVLAN;
 272         }
 273
 274 }
 275
 276 int do_cdp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 277 {
 278         int r;
 279
 280         r = NetLoop(CDP);
 281         if (r < 0) {
 282                 printf("cdp failed; perhaps not a CISCO switch?\n");
 283                 return 1;
 284         }
 285
 286         cdp_update_env();
 287
 288         return 0;
 289 }
 290
 291 U_BOOT_CMD(
 292         cdp,    1,      1,      do_cdp,
 293         "cdp\t- Perform CDP network configuration\n",
 294 );
 295 #endif  /* CFG_CMD_CDP */
 296
 297 #if defined(CONFIG_CMD_SNTP)
 298 int do_sntp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 299 {
 300         char *toff;
 301
 302         if (argc < 2) {
 303                 NetNtpServerIP = getenv_IPaddr ("ntpserverip");
 304                 if (NetNtpServerIP == 0) {
 305                         printf ("ntpserverip not set\n");
 306                         return (1);
 307                 }
 308         } else {
 309                 NetNtpServerIP = string_to_ip(argv[1]);
 310                 if (NetNtpServerIP == 0) {
 311                         printf ("Bad NTP server IP address\n");
 312                         return (1);
 313                 }
 314         }
 315
 316         toff = getenv ("timeoffset");
 317         if (toff == NULL) NetTimeOffset = 0;
 318         else NetTimeOffset = simple_strtol (toff, NULL, 10);
 319
 320         if (NetLoop(SNTP) < 0) {
 321                 printf("SNTP failed: host %s not responding\n", argv[1]);
 322                 return 1;
 323         }
 324
 325         return 0;
 326 }
 327
 328 U_BOOT_CMD(
 329         sntp,   2,      1,      do_sntp,
 330         "sntp\t- synchronize RTC via network\n",
 331         "[NTP server IP]\n"
 332 );
 333 #endif  /* CFG_CMD_SNTP */
 334
 335 #endif  /* CFG_CMD_NET */