commands/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  * @file
  26  * @brief tftp, rarpboot, dhcp, nfs, cdp - Boot support
  27  */
  28
  29 #include <common.h>
  30 #include <command.h>
  31 #include <environment.h>
  32 #include <driver.h>
  33 #include <net.h>
  34 #include <fs.h>
  35 #include <errno.h>
  36 #include <libbb.h>
  37
  38 #ifdef CONFIG_NET_RARP
  39 extern void RarpRequest(void);
  40
  41 static int do_rarpb(struct command *cmdtp, int argc, char *argv[])
  42 {
  43         int size;
  44
  45         if (NetLoopInit(RARP) < 0)
  46                 return 1;
  47
  48         NetOurIP = 0;
  49         RarpRequest();          /* Basically same as BOOTP */
  50
  51         if ((size = NetLoop()) < 0)
  52                 return 1;
  53
  54         /* NetLoop ok, update environment */
  55         netboot_update_env();
  56
  57         return 0;
  58 }
  59
  60 BAREBOX_CMD_START(rarpboot)
  61         .cmd            = do_rarpb,
  62         .usage          = "boot image via network using rarp/tftp protocol",
  63         BAREBOX_CMD_HELP("[loadAddress] [bootfilename]\n")
  64 BAREBOX_CMD_END
  65 #endif /* CONFIG_NET_RARP */
  66
  67 static int do_ethact(struct command *cmdtp, int argc, char *argv[])
  68 {
  69         struct eth_device *edev;
  70
  71         if (argc == 1) {
  72                 edev = eth_get_current();
  73                 if (edev)
  74                         printf("%s%d\n", edev->dev.name, edev->dev.id);
  75                 return 0;
  76         }
  77
  78         if (argc != 2)
  79                 return COMMAND_ERROR_USAGE;
  80
  81         edev = eth_get_byname(argv[1]);
  82         if (edev)
  83                 eth_set_current(edev);
  84         else {
  85                 printf("no such net device: %s\n", argv[1]);
  86                 return 1;
  87         }
  88
  89         return 0;
  90 }
  91
  92 static const __maybe_unused char cmd_ethact_help[] =
  93 "Usage: ethact [ethx]\n";
  94
  95 BAREBOX_CMD_START(ethact)
  96         .cmd            = do_ethact,
  97         .usage          = "set current ethernet device",
  98         BAREBOX_CMD_HELP(cmd_ethact_help)
  99 BAREBOX_CMD_END
 100