target/linux/generic-2.4/patches/224-atm_hotplug.patch

   1 diff -urN linux.old/include/linux/atmdev.h linux.dev/include/linux/atmdev.h
   2 --- linux.old/include/linux/atmdev.h    2005-11-17 12:51:55.883585000 +0100
   3 +++ linux.dev/include/linux/atmdev.h    2005-11-17 13:49:22.012671000 +0100
   4 @@ -408,6 +408,7 @@
   5  struct atm_dev *atm_dev_register(const char *type,const struct atmdev_ops *ops,
   6      int number,atm_dev_flags_t *flags); /* number == -1: pick first available */
   7  struct atm_dev *atm_dev_lookup(int number);
   8 +void atm_dev_set_link_status(struct atm_dev *dev, int status);
   9  void atm_dev_deregister(struct atm_dev *dev);
  10  void shutdown_atm_dev(struct atm_dev *dev);
  11  void vcc_insert_socket(struct sock *sk);
  12 diff -urN linux.old/net/atm/resources.c linux.dev/net/atm/resources.c
  13 --- linux.old/net/atm/resources.c       2003-11-28 19:26:21.000000000 +0100
  14 +++ linux.dev/net/atm/resources.c       2005-11-17 14:27:26.514267750 +0100
  15 @@ -10,6 +10,7 @@
  16  #include <linux/sonet.h>
  17  #include <linux/kernel.h> /* for barrier */
  18  #include <linux/module.h>
  19 +#include <linux/kmod.h>
  20  #include <linux/bitops.h>
  21  #include <net/sock.h>   /* for struct sock */
  22  #include <asm/segment.h> /* for get_fs_long and put_fs_long */
  23 @@ -70,6 +71,44 @@
  24         return dev;
  25  }
  26
  27 +#ifdef CONFIG_HOTPLUG
  28 +static void atm_run_sbin_hotplug(struct atm_dev *dev, char *action)
  29 +{
  30 +       char *argv[3], *envp[5], ifname[12 + IFNAMSIZ], atmname[255], action_str[32];
  31 +       int i;
  32 +
  33 +       sprintf(ifname, "INTERFACE=atm%d", dev->number);
  34 +       sprintf(atmname, "ATMDRIVER=%s", dev->type);
  35 +       sprintf(action_str, "ACTION=%s", action);
  36 +
  37 +       i = 0;
  38 +       argv[i++] = hotplug_path;
  39 +       argv[i++] = "net";
  40 +       argv[i] = 0;
  41 +
  42 +       i = 0;
  43 +       /* minimal command environment */
  44 +       envp [i++] = "HOME=/";
  45 +       envp [i++] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin";
  46 +       envp [i++] = ifname;
  47 +       envp [i++] = atmname;
  48 +       envp [i++] = action_str;
  49 +       envp [i] = 0;
  50 +
  51 +       return call_usermodehelper(argv [0], argv, envp);
  52 +}
  53 +#endif
  54 +
  55 +void atm_dev_set_link_status(struct atm_dev *dev, int status)
  56 +{
  57 +#ifdef CONFIG_HOTPLUG
  58 +       if (status)
  59 +               atm_run_sbin_hotplug(dev, "up");
  60 +       else
  61 +               atm_run_sbin_hotplug(dev, "down");
  62 +#endif
  63 +}
  64 +
  65  struct atm_dev *atm_dev_register(const char *type, const struct atmdev_ops *ops,
  66                                  int number, atm_dev_flags_t *flags)
  67  {
  68 @@ -123,7 +162,10 @@
  69                 }
  70         }
  71  #endif
  72 -
  73 +#ifdef CONFIG_HOTPLUG
  74 +       atm_run_sbin_hotplug(dev, "register");
  75 +#endif
  76 +
  77         return dev;
  78  }
  79
  80 @@ -131,6 +173,10 @@
  81  void atm_dev_deregister(struct atm_dev *dev)
  82  {
  83         unsigned long warning_time;
  84 +
  85 +#ifdef CONFIG_HOTPLUG
  86 +       atm_run_sbin_hotplug(dev, "unregister");
  87 +#endif
  88
  89  #ifdef CONFIG_PROC_FS
  90         if (dev->ops->proc_read)
  91 @@ -399,6 +445,7 @@
  92  }
  93
  94
  95 +EXPORT_SYMBOL(atm_dev_set_link_status);
  96  EXPORT_SYMBOL(atm_dev_register);
  97  EXPORT_SYMBOL(atm_dev_deregister);
  98  EXPORT_SYMBOL(atm_dev_lookup);