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

   1 Index: linux-2.4.35.4/include/linux/atmdev.h
   2 ===================================================================
   3 --- linux-2.4.35.4.orig/include/linux/atmdev.h  2007-12-15 05:19:38.898637744 +0100
   4 +++ linux-2.4.35.4/include/linux/atmdev.h       2007-12-15 05:20:02.816000717 +0100
   5 @@ -400,6 +400,7 @@
   6  struct atm_dev *atm_dev_register(const char *type,const struct atmdev_ops *ops,
   7      int number,atm_dev_flags_t *flags); /* number == -1: pick first available */
   8  struct atm_dev *atm_dev_lookup(int number);
   9 +void atm_dev_set_link_status(struct atm_dev *dev, int status);
  10  void atm_dev_deregister(struct atm_dev *dev);
  11  void shutdown_atm_dev(struct atm_dev *dev);
  12  void vcc_insert_socket(struct sock *sk);
  13 Index: linux-2.4.35.4/net/atm/resources.c
  14 ===================================================================
  15 --- linux-2.4.35.4.orig/net/atm/resources.c     2007-12-15 05:19:38.910638429 +0100
  16 +++ linux-2.4.35.4/net/atm/resources.c  2007-12-15 05:20:02.824001175 +0100
  17 @@ -10,6 +10,7 @@
  18  #include <linux/sonet.h>
  19  #include <linux/kernel.h> /* for barrier */
  20  #include <linux/module.h>
  21 +#include <linux/kmod.h>
  22  #include <linux/bitops.h>
  23  #include <net/sock.h>   /* for struct sock */
  24  #include <asm/segment.h> /* for get_fs_long and put_fs_long */
  25 @@ -70,6 +71,44 @@
  26         return dev;
  27  }
  28
  29 +#ifdef CONFIG_HOTPLUG
  30 +static void atm_run_sbin_hotplug(struct atm_dev *dev, char *action)
  31 +{
  32 +       char *argv[3], *envp[5], ifname[12 + IFNAMSIZ], atmname[255], action_str[32];
  33 +       int i;
  34 +
  35 +       sprintf(ifname, "INTERFACE=atm%d", dev->number);
  36 +       sprintf(atmname, "ATMDRIVER=%s", dev->type);
  37 +       sprintf(action_str, "ACTION=%s", action);
  38 +
  39 +       i = 0;
  40 +       argv[i++] = hotplug_path;
  41 +       argv[i++] = "net";
  42 +       argv[i] = 0;
  43 +
  44 +       i = 0;
  45 +       /* minimal command environment */
  46 +       envp [i++] = "HOME=/";
  47 +       envp [i++] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin";
  48 +       envp [i++] = ifname;
  49 +       envp [i++] = atmname;
  50 +       envp [i++] = action_str;
  51 +       envp [i] = 0;
  52 +
  53 +       return call_usermodehelper(argv [0], argv, envp);
  54 +}
  55 +#endif
  56 +
  57 +void atm_dev_set_link_status(struct atm_dev *dev, int status)
  58 +{
  59 +#ifdef CONFIG_HOTPLUG
  60 +       if (status)
  61 +               atm_run_sbin_hotplug(dev, "up");
  62 +       else
  63 +               atm_run_sbin_hotplug(dev, "down");
  64 +#endif
  65 +}
  66 +
  67  struct atm_dev *atm_dev_register(const char *type, const struct atmdev_ops *ops,
  68                                  int number, atm_dev_flags_t *flags)
  69  {
  70 @@ -123,7 +162,10 @@
  71                 }
  72         }
  73  #endif
  74 -
  75 +#ifdef CONFIG_HOTPLUG
  76 +       atm_run_sbin_hotplug(dev, "register");
  77 +#endif
  78 +
  79         return dev;
  80  }
  81
  82 @@ -131,6 +173,10 @@
  83  void atm_dev_deregister(struct atm_dev *dev)
  84  {
  85         unsigned long warning_time;
  86 +
  87 +#ifdef CONFIG_HOTPLUG
  88 +       atm_run_sbin_hotplug(dev, "unregister");
  89 +#endif
  90
  91  #ifdef CONFIG_PROC_FS
  92         if (dev->ops->proc_read)
  93 @@ -399,6 +445,7 @@
  94  }
  95
  96
  97 +EXPORT_SYMBOL(atm_dev_set_link_status);
  98  EXPORT_SYMBOL(atm_dev_register);
  99  EXPORT_SYMBOL(atm_dev_deregister);
 100  EXPORT_SYMBOL(atm_dev_lookup);