Index: linux-2.4.35.4/include/linux/atmdev.h =================================================================== --- linux-2.4.35.4.orig/include/linux/atmdev.h 2007-12-15 05:19:38.898637744 +0100 +++ linux-2.4.35.4/include/linux/atmdev.h 2007-12-15 05:20:02.816000717 +0100 @@ -400,6 +400,7 @@ struct atm_dev *atm_dev_register(const char *type,const struct atmdev_ops *ops, int number,atm_dev_flags_t *flags); /* number == -1: pick first available */ struct atm_dev *atm_dev_lookup(int number); +void atm_dev_set_link_status(struct atm_dev *dev, int status); void atm_dev_deregister(struct atm_dev *dev); void shutdown_atm_dev(struct atm_dev *dev); void vcc_insert_socket(struct sock *sk); Index: linux-2.4.35.4/net/atm/resources.c =================================================================== --- linux-2.4.35.4.orig/net/atm/resources.c 2007-12-15 05:19:38.910638429 +0100 +++ linux-2.4.35.4/net/atm/resources.c 2007-12-15 05:20:02.824001175 +0100 @@ -10,6 +10,7 @@ #include #include /* for barrier */ #include +#include #include #include /* for struct sock */ #include /* for get_fs_long and put_fs_long */ @@ -70,6 +71,44 @@ return dev; } +#ifdef CONFIG_HOTPLUG +static void atm_run_sbin_hotplug(struct atm_dev *dev, char *action) +{ + char *argv[3], *envp[5], ifname[12 + IFNAMSIZ], atmname[255], action_str[32]; + int i; + + sprintf(ifname, "INTERFACE=atm%d", dev->number); + sprintf(atmname, "ATMDRIVER=%s", dev->type); + sprintf(action_str, "ACTION=%s", action); + + i = 0; + argv[i++] = hotplug_path; + argv[i++] = "net"; + argv[i] = 0; + + i = 0; + /* minimal command environment */ + envp [i++] = "HOME=/"; + envp [i++] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin"; + envp [i++] = ifname; + envp [i++] = atmname; + envp [i++] = action_str; + envp [i] = 0; + + return call_usermodehelper(argv [0], argv, envp); +} +#endif + +void atm_dev_set_link_status(struct atm_dev *dev, int status) +{ +#ifdef CONFIG_HOTPLUG + if (status) + atm_run_sbin_hotplug(dev, "up"); + else + atm_run_sbin_hotplug(dev, "down"); +#endif +} + struct atm_dev *atm_dev_register(const char *type, const struct atmdev_ops *ops, int number, atm_dev_flags_t *flags) { @@ -123,7 +162,10 @@ } } #endif - +#ifdef CONFIG_HOTPLUG + atm_run_sbin_hotplug(dev, "register"); +#endif + return dev; } @@ -131,6 +173,10 @@ void atm_dev_deregister(struct atm_dev *dev) { unsigned long warning_time; + +#ifdef CONFIG_HOTPLUG + atm_run_sbin_hotplug(dev, "unregister"); +#endif #ifdef CONFIG_PROC_FS if (dev->ops->proc_read) @@ -399,6 +445,7 @@ } +EXPORT_SYMBOL(atm_dev_set_link_status); EXPORT_SYMBOL(atm_dev_register); EXPORT_SYMBOL(atm_dev_deregister); EXPORT_SYMBOL(atm_dev_lookup);