X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=net%2Fcore%2Fnet-sysfs.c;h=157645c0da73943bf17bcd487b02cc5d429fe8ab;hb=e0d087af725b09358336098a6b57bb7f90f96175;hp=910eb4c05a4782f5b5de56f1e417a527dc99ffbf;hpb=d1102b59ca7b3a3c58912330a4ae38f549c8d569;p=safe%2Fjmp%2Flinux-2.6 diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index 910eb4c..157645c 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -2,39 +2,41 @@ * net-sysfs.c - network device class and attributes * * Copyright (c) 2003 Stephen Hemminger - * + * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ -#include +#include #include #include #include #include #include #include +#include -#define to_class_dev(obj) container_of(obj,struct class_device,kobj) -#define to_net_dev(class) container_of(class, struct net_device, class_dev) +#include "net-sysfs.h" +#ifdef CONFIG_SYSFS static const char fmt_hex[] = "%#x\n"; static const char fmt_long_hex[] = "%#lx\n"; static const char fmt_dec[] = "%d\n"; static const char fmt_ulong[] = "%lu\n"; -static inline int dev_isalive(const struct net_device *dev) +static inline int dev_isalive(const struct net_device *dev) { - return dev->reg_state == NETREG_REGISTERED; + return dev->reg_state <= NETREG_REGISTERED; } /* use same locking rules as GIF* ioctl's */ -static ssize_t netdev_show(const struct class_device *cd, char *buf, +static ssize_t netdev_show(const struct device *dev, + struct device_attribute *attr, char *buf, ssize_t (*format)(const struct net_device *, char *)) { - struct net_device *net = to_net_dev(cd); + struct net_device *net = to_net_dev(dev); ssize_t ret = -EINVAL; read_lock(&dev_base_lock); @@ -51,14 +53,15 @@ static ssize_t format_##field(const struct net_device *net, char *buf) \ { \ return sprintf(buf, format_string, net->field); \ } \ -static ssize_t show_##field(struct class_device *cd, char *buf) \ +static ssize_t show_##field(struct device *dev, \ + struct device_attribute *attr, char *buf) \ { \ - return netdev_show(cd, buf, format_##field); \ + return netdev_show(dev, attr, buf, format_##field); \ } /* use same locking and permission rules as SIF* ioctl's */ -static ssize_t netdev_store(struct class_device *dev, +static ssize_t netdev_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t len, int (*set)(struct net_device *, unsigned long)) { @@ -74,7 +77,9 @@ static ssize_t netdev_store(struct class_device *dev, if (endp == buf) goto err; - rtnl_lock(); + if (!rtnl_trylock()) + return restart_syscall(); + if (dev_isalive(net)) { if ((ret = (*set)(net, new)) == 0) ret = len; @@ -84,50 +89,39 @@ static ssize_t netdev_store(struct class_device *dev, return ret; } -/* generate a read-only network device class attribute */ -#define NETDEVICE_ATTR(field, format_string) \ -NETDEVICE_SHOW(field, format_string) \ -static CLASS_DEVICE_ATTR(field, S_IRUGO, show_##field, NULL) \ - -NETDEVICE_ATTR(addr_len, fmt_dec); -NETDEVICE_ATTR(iflink, fmt_dec); -NETDEVICE_ATTR(ifindex, fmt_dec); -NETDEVICE_ATTR(features, fmt_long_hex); -NETDEVICE_ATTR(type, fmt_dec); +NETDEVICE_SHOW(dev_id, fmt_hex); +NETDEVICE_SHOW(addr_len, fmt_dec); +NETDEVICE_SHOW(iflink, fmt_dec); +NETDEVICE_SHOW(ifindex, fmt_dec); +NETDEVICE_SHOW(features, fmt_long_hex); +NETDEVICE_SHOW(type, fmt_dec); +NETDEVICE_SHOW(link_mode, fmt_dec); /* use same locking rules as GIFHWADDR ioctl's */ -static ssize_t format_addr(char *buf, const unsigned char *addr, int len) -{ - int i; - char *cp = buf; - - for (i = 0; i < len; i++) - cp += sprintf(cp, "%02x%c", addr[i], - i == (len - 1) ? '\n' : ':'); - return cp - buf; -} - -static ssize_t show_address(struct class_device *dev, char *buf) +static ssize_t show_address(struct device *dev, struct device_attribute *attr, + char *buf) { struct net_device *net = to_net_dev(dev); ssize_t ret = -EINVAL; read_lock(&dev_base_lock); if (dev_isalive(net)) - ret = format_addr(buf, net->dev_addr, net->addr_len); + ret = sysfs_format_mac(buf, net->dev_addr, net->addr_len); read_unlock(&dev_base_lock); return ret; } -static ssize_t show_broadcast(struct class_device *dev, char *buf) +static ssize_t show_broadcast(struct device *dev, + struct device_attribute *attr, char *buf) { struct net_device *net = to_net_dev(dev); if (dev_isalive(net)) - return format_addr(buf, net->broadcast, net->addr_len); + return sysfs_format_mac(buf, net->broadcast, net->addr_len); return -EINVAL; } -static ssize_t show_carrier(struct class_device *dev, char *buf) +static ssize_t show_carrier(struct device *dev, + struct device_attribute *attr, char *buf) { struct net_device *netdev = to_net_dev(dev); if (netif_running(netdev)) { @@ -136,9 +130,86 @@ static ssize_t show_carrier(struct class_device *dev, char *buf) return -EINVAL; } -static CLASS_DEVICE_ATTR(address, S_IRUGO, show_address, NULL); -static CLASS_DEVICE_ATTR(broadcast, S_IRUGO, show_broadcast, NULL); -static CLASS_DEVICE_ATTR(carrier, S_IRUGO, show_carrier, NULL); +static ssize_t show_speed(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct net_device *netdev = to_net_dev(dev); + int ret = -EINVAL; + + if (!rtnl_trylock()) + return restart_syscall(); + + if (netif_running(netdev) && + netdev->ethtool_ops && + netdev->ethtool_ops->get_settings) { + struct ethtool_cmd cmd = { ETHTOOL_GSET }; + + if (!netdev->ethtool_ops->get_settings(netdev, &cmd)) + ret = sprintf(buf, fmt_dec, ethtool_cmd_speed(&cmd)); + } + rtnl_unlock(); + return ret; +} + +static ssize_t show_duplex(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct net_device *netdev = to_net_dev(dev); + int ret = -EINVAL; + + if (!rtnl_trylock()) + return restart_syscall(); + + if (netif_running(netdev) && + netdev->ethtool_ops && + netdev->ethtool_ops->get_settings) { + struct ethtool_cmd cmd = { ETHTOOL_GSET }; + + if (!netdev->ethtool_ops->get_settings(netdev, &cmd)) + ret = sprintf(buf, "%s\n", cmd.duplex ? "full" : "half"); + } + rtnl_unlock(); + return ret; +} + +static ssize_t show_dormant(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct net_device *netdev = to_net_dev(dev); + + if (netif_running(netdev)) + return sprintf(buf, fmt_dec, !!netif_dormant(netdev)); + + return -EINVAL; +} + +static const char *const operstates[] = { + "unknown", + "notpresent", /* currently unused */ + "down", + "lowerlayerdown", + "testing", /* currently unused */ + "dormant", + "up" +}; + +static ssize_t show_operstate(struct device *dev, + struct device_attribute *attr, char *buf) +{ + const struct net_device *netdev = to_net_dev(dev); + unsigned char operstate; + + read_lock(&dev_base_lock); + operstate = netdev->operstate; + if (!netif_running(netdev)) + operstate = IF_OPER_DOWN; + read_unlock(&dev_base_lock); + + if (operstate >= ARRAY_SIZE(operstates)) + return -EINVAL; /* should not happen */ + + return sprintf(buf, "%s\n", operstates[operstate]); +} /* read-write attributes */ NETDEVICE_SHOW(mtu, fmt_dec); @@ -148,13 +219,12 @@ static int change_mtu(struct net_device *net, unsigned long new_mtu) return dev_set_mtu(net, (int) new_mtu); } -static ssize_t store_mtu(struct class_device *dev, const char *buf, size_t len) +static ssize_t store_mtu(struct device *dev, struct device_attribute *attr, + const char *buf, size_t len) { - return netdev_store(dev, buf, len, change_mtu); + return netdev_store(dev, attr, buf, len, change_mtu); } -static CLASS_DEVICE_ATTR(mtu, S_IRUGO | S_IWUSR, show_mtu, store_mtu); - NETDEVICE_SHOW(flags, fmt_hex); static int change_flags(struct net_device *net, unsigned long new_flags) @@ -162,13 +232,12 @@ static int change_flags(struct net_device *net, unsigned long new_flags) return dev_change_flags(net, (unsigned) new_flags); } -static ssize_t store_flags(struct class_device *dev, const char *buf, size_t len) +static ssize_t store_flags(struct device *dev, struct device_attribute *attr, + const char *buf, size_t len) { - return netdev_store(dev, buf, len, change_flags); + return netdev_store(dev, attr, buf, len, change_flags); } -static CLASS_DEVICE_ATTR(flags, S_IRUGO | S_IWUSR, show_flags, store_flags); - NETDEVICE_SHOW(tx_queue_len, fmt_ulong); static int change_tx_queue_len(struct net_device *net, unsigned long new_len) @@ -177,60 +246,102 @@ static int change_tx_queue_len(struct net_device *net, unsigned long new_len) return 0; } -static ssize_t store_tx_queue_len(struct class_device *dev, const char *buf, size_t len) +static ssize_t store_tx_queue_len(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t len) { - return netdev_store(dev, buf, len, change_tx_queue_len); + return netdev_store(dev, attr, buf, len, change_tx_queue_len); } -static CLASS_DEVICE_ATTR(tx_queue_len, S_IRUGO | S_IWUSR, show_tx_queue_len, - store_tx_queue_len); - - -static struct class_device_attribute *net_class_attributes[] = { - &class_device_attr_ifindex, - &class_device_attr_iflink, - &class_device_attr_addr_len, - &class_device_attr_tx_queue_len, - &class_device_attr_features, - &class_device_attr_mtu, - &class_device_attr_flags, - &class_device_attr_type, - &class_device_attr_address, - &class_device_attr_broadcast, - &class_device_attr_carrier, - NULL +static ssize_t store_ifalias(struct device *dev, struct device_attribute *attr, + const char *buf, size_t len) +{ + struct net_device *netdev = to_net_dev(dev); + size_t count = len; + ssize_t ret; + + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + + /* ignore trailing newline */ + if (len > 0 && buf[len - 1] == '\n') + --count; + + if (!rtnl_trylock()) + return restart_syscall(); + ret = dev_set_alias(netdev, buf, count); + rtnl_unlock(); + + return ret < 0 ? ret : len; +} + +static ssize_t show_ifalias(struct device *dev, + struct device_attribute *attr, char *buf) +{ + const struct net_device *netdev = to_net_dev(dev); + ssize_t ret = 0; + + if (!rtnl_trylock()) + return restart_syscall(); + if (netdev->ifalias) + ret = sprintf(buf, "%s\n", netdev->ifalias); + rtnl_unlock(); + return ret; +} + +static struct device_attribute net_class_attributes[] = { + __ATTR(addr_len, S_IRUGO, show_addr_len, NULL), + __ATTR(dev_id, S_IRUGO, show_dev_id, NULL), + __ATTR(ifalias, S_IRUGO | S_IWUSR, show_ifalias, store_ifalias), + __ATTR(iflink, S_IRUGO, show_iflink, NULL), + __ATTR(ifindex, S_IRUGO, show_ifindex, NULL), + __ATTR(features, S_IRUGO, show_features, NULL), + __ATTR(type, S_IRUGO, show_type, NULL), + __ATTR(link_mode, S_IRUGO, show_link_mode, NULL), + __ATTR(address, S_IRUGO, show_address, NULL), + __ATTR(broadcast, S_IRUGO, show_broadcast, NULL), + __ATTR(carrier, S_IRUGO, show_carrier, NULL), + __ATTR(speed, S_IRUGO, show_speed, NULL), + __ATTR(duplex, S_IRUGO, show_duplex, NULL), + __ATTR(dormant, S_IRUGO, show_dormant, NULL), + __ATTR(operstate, S_IRUGO, show_operstate, NULL), + __ATTR(mtu, S_IRUGO | S_IWUSR, show_mtu, store_mtu), + __ATTR(flags, S_IRUGO | S_IWUSR, show_flags, store_flags), + __ATTR(tx_queue_len, S_IRUGO | S_IWUSR, show_tx_queue_len, + store_tx_queue_len), + {} }; /* Show a given an attribute in the statistics group */ -static ssize_t netstat_show(const struct class_device *cd, char *buf, +static ssize_t netstat_show(const struct device *d, + struct device_attribute *attr, char *buf, unsigned long offset) { - struct net_device *dev = to_net_dev(cd); - struct net_device_stats *stats; + struct net_device *dev = to_net_dev(d); ssize_t ret = -EINVAL; - if (offset > sizeof(struct net_device_stats) || - offset % sizeof(unsigned long) != 0) - WARN_ON(1); + WARN_ON(offset > sizeof(struct net_device_stats) || + offset % sizeof(unsigned long) != 0); read_lock(&dev_base_lock); - if (dev_isalive(dev) && dev->get_stats && - (stats = (*dev->get_stats)(dev))) + if (dev_isalive(dev)) { + const struct net_device_stats *stats = dev_get_stats(dev); ret = sprintf(buf, fmt_ulong, *(unsigned long *)(((u8 *) stats) + offset)); - + } read_unlock(&dev_base_lock); return ret; } /* generate a read-only statistics attribute */ #define NETSTAT_ENTRY(name) \ -static ssize_t show_##name(struct class_device *cd, char *buf) \ +static ssize_t show_##name(struct device *d, \ + struct device_attribute *attr, char *buf) \ { \ - return netstat_show(cd, buf, \ + return netstat_show(d, attr, buf, \ offsetof(struct net_device_stats, name)); \ } \ -static CLASS_DEVICE_ATTR(name, S_IRUGO, show_##name, NULL) +static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL) NETSTAT_ENTRY(rx_packets); NETSTAT_ENTRY(tx_packets); @@ -257,29 +368,29 @@ NETSTAT_ENTRY(rx_compressed); NETSTAT_ENTRY(tx_compressed); static struct attribute *netstat_attrs[] = { - &class_device_attr_rx_packets.attr, - &class_device_attr_tx_packets.attr, - &class_device_attr_rx_bytes.attr, - &class_device_attr_tx_bytes.attr, - &class_device_attr_rx_errors.attr, - &class_device_attr_tx_errors.attr, - &class_device_attr_rx_dropped.attr, - &class_device_attr_tx_dropped.attr, - &class_device_attr_multicast.attr, - &class_device_attr_collisions.attr, - &class_device_attr_rx_length_errors.attr, - &class_device_attr_rx_over_errors.attr, - &class_device_attr_rx_crc_errors.attr, - &class_device_attr_rx_frame_errors.attr, - &class_device_attr_rx_fifo_errors.attr, - &class_device_attr_rx_missed_errors.attr, - &class_device_attr_tx_aborted_errors.attr, - &class_device_attr_tx_carrier_errors.attr, - &class_device_attr_tx_fifo_errors.attr, - &class_device_attr_tx_heartbeat_errors.attr, - &class_device_attr_tx_window_errors.attr, - &class_device_attr_rx_compressed.attr, - &class_device_attr_tx_compressed.attr, + &dev_attr_rx_packets.attr, + &dev_attr_tx_packets.attr, + &dev_attr_rx_bytes.attr, + &dev_attr_tx_bytes.attr, + &dev_attr_rx_errors.attr, + &dev_attr_tx_errors.attr, + &dev_attr_rx_dropped.attr, + &dev_attr_tx_dropped.attr, + &dev_attr_multicast.attr, + &dev_attr_collisions.attr, + &dev_attr_rx_length_errors.attr, + &dev_attr_rx_over_errors.attr, + &dev_attr_rx_crc_errors.attr, + &dev_attr_rx_frame_errors.attr, + &dev_attr_rx_fifo_errors.attr, + &dev_attr_rx_missed_errors.attr, + &dev_attr_tx_aborted_errors.attr, + &dev_attr_tx_carrier_errors.attr, + &dev_attr_tx_fifo_errors.attr, + &dev_attr_tx_heartbeat_errors.attr, + &dev_attr_tx_window_errors.attr, + &dev_attr_rx_compressed.attr, + &dev_attr_tx_compressed.attr, NULL }; @@ -289,21 +400,23 @@ static struct attribute_group netstat_group = { .attrs = netstat_attrs, }; -#ifdef WIRELESS_EXT +#ifdef CONFIG_WIRELESS_EXT_SYSFS /* helper function that does all the locking etc for wireless stats */ -static ssize_t wireless_show(struct class_device *cd, char *buf, +static ssize_t wireless_show(struct device *d, char *buf, ssize_t (*format)(const struct iw_statistics *, char *)) { - struct net_device *dev = to_net_dev(cd); + struct net_device *dev = to_net_dev(d); const struct iw_statistics *iw; ssize_t ret = -EINVAL; - - read_lock(&dev_base_lock); - if (dev_isalive(dev) && dev->get_wireless_stats - && (iw = dev->get_wireless_stats(dev)) != NULL) - ret = (*format)(iw, buf); - read_unlock(&dev_base_lock); + + rtnl_lock(); + if (dev_isalive(dev)) { + iw = get_wireless_stats(dev); + if (iw) + ret = (*format)(iw, buf); + } + rtnl_unlock(); return ret; } @@ -314,11 +427,12 @@ static ssize_t format_iw_##name(const struct iw_statistics *iw, char *buf) \ { \ return sprintf(buf, format_string, iw->field); \ } \ -static ssize_t show_iw_##name(struct class_device *cd, char *buf) \ +static ssize_t show_iw_##name(struct device *d, \ + struct device_attribute *attr, char *buf) \ { \ - return wireless_show(cd, buf, format_iw_##name); \ + return wireless_show(d, buf, format_iw_##name); \ } \ -static CLASS_DEVICE_ATTR(name, S_IRUGO, show_iw_##name, NULL) +static DEVICE_ATTR(name, S_IRUGO, show_iw_##name, NULL) WIRELESS_SHOW(status, status, fmt_hex); WIRELESS_SHOW(link, qual.qual, fmt_dec); @@ -332,16 +446,16 @@ WIRELESS_SHOW(retries, discard.retries, fmt_dec); WIRELESS_SHOW(beacon, miss.beacon, fmt_dec); static struct attribute *wireless_attrs[] = { - &class_device_attr_status.attr, - &class_device_attr_link.attr, - &class_device_attr_level.attr, - &class_device_attr_noise.attr, - &class_device_attr_nwid.attr, - &class_device_attr_crypt.attr, - &class_device_attr_fragment.attr, - &class_device_attr_retries.attr, - &class_device_attr_misc.attr, - &class_device_attr_beacon.attr, + &dev_attr_status.attr, + &dev_attr_link.attr, + &dev_attr_level.attr, + &dev_attr_noise.attr, + &dev_attr_nwid.attr, + &dev_attr_crypt.attr, + &dev_attr_fragment.attr, + &dev_attr_retries.attr, + &dev_attr_misc.attr, + &dev_attr_beacon.attr, NULL }; @@ -351,112 +465,126 @@ static struct attribute_group wireless_group = { }; #endif +#endif /* CONFIG_SYSFS */ + #ifdef CONFIG_HOTPLUG -static int netdev_hotplug(struct class_device *cd, char **envp, - int num_envp, char *buf, int size) +static int netdev_uevent(struct device *d, struct kobj_uevent_env *env) { - struct net_device *dev = to_net_dev(cd); - int i = 0; - int n; + struct net_device *dev = to_net_dev(d); + int retval; - /* pass interface in env to hotplug. */ - envp[i++] = buf; - n = snprintf(buf, size, "INTERFACE=%s", dev->name) + 1; - buf += n; - size -= n; + if (!net_eq(dev_net(dev), &init_net)) + return 0; - if ((size <= 0) || (i >= num_envp)) - return -ENOMEM; + /* pass interface to uevent. */ + retval = add_uevent_var(env, "INTERFACE=%s", dev->name); + if (retval) + goto exit; - envp[i] = NULL; - return 0; + /* pass ifindex to uevent. + * ifindex is useful as it won't change (interface name may change) + * and is what RtNetlink uses natively. */ + retval = add_uevent_var(env, "IFINDEX=%d", dev->ifindex); + +exit: + return retval; } #endif /* - * netdev_release -- destroy and free a dead device. - * Called when last reference to class_device kobject is gone. + * netdev_release -- destroy and free a dead device. + * Called when last reference to device kobject is gone. */ -static void netdev_release(struct class_device *cd) +static void netdev_release(struct device *d) { - struct net_device *dev - = container_of(cd, struct net_device, class_dev); + struct net_device *dev = to_net_dev(d); BUG_ON(dev->reg_state != NETREG_RELEASED); + kfree(dev->ifalias); kfree((char *)dev - dev->padded); } static struct class net_class = { .name = "net", - .release = netdev_release, + .dev_release = netdev_release, +#ifdef CONFIG_SYSFS + .dev_attrs = net_class_attributes, +#endif /* CONFIG_SYSFS */ #ifdef CONFIG_HOTPLUG - .hotplug = netdev_hotplug, + .dev_uevent = netdev_uevent, #endif }; -void netdev_unregister_sysfs(struct net_device * net) +/* Delete sysfs entries but hold kobject reference until after all + * netdev references are gone. + */ +void netdev_unregister_kobject(struct net_device * net) { - struct class_device * class_dev = &(net->class_dev); + struct device *dev = &(net->dev); - if (net->get_stats) - sysfs_remove_group(&class_dev->kobj, &netstat_group); + kobject_get(&dev->kobj); -#ifdef WIRELESS_EXT - if (net->get_wireless_stats) - sysfs_remove_group(&class_dev->kobj, &wireless_group); -#endif - class_device_del(class_dev); + if (dev_net(net) != &init_net) + return; + device_del(dev); } /* Create sysfs entries for network device. */ -int netdev_register_sysfs(struct net_device *net) +int netdev_register_kobject(struct net_device *net) { - struct class_device *class_dev = &(net->class_dev); - int i; - struct class_device_attribute *attr; - int ret; - - class_dev->class = &net_class; - class_dev->class_data = net; + struct device *dev = &(net->dev); + const struct attribute_group **groups = net->sysfs_groups; + + dev->class = &net_class; + dev->platform_data = net; + dev->groups = groups; + + dev_set_name(dev, "%s", net->name); + +#ifdef CONFIG_SYSFS + /* Allow for a device specific group */ + if (*groups) + groups++; + + *groups++ = &netstat_group; +#ifdef CONFIG_WIRELESS_EXT_SYSFS + if (net->ieee80211_ptr) + *groups++ = &wireless_group; +#ifdef CONFIG_WIRELESS_EXT + else if (net->wireless_handlers) + *groups++ = &wireless_group; +#endif +#endif +#endif /* CONFIG_SYSFS */ - strlcpy(class_dev->class_id, net->name, BUS_ID_SIZE); - if ((ret = class_device_register(class_dev))) - goto out; + if (dev_net(net) != &init_net) + return 0; - for (i = 0; (attr = net_class_attributes[i]) != NULL; i++) { - if ((ret = class_device_create_file(class_dev, attr))) - goto out_unreg; - } + return device_add(dev); +} +int netdev_class_create_file(struct class_attribute *class_attr) +{ + return class_create_file(&net_class, class_attr); +} - if (net->get_stats && - (ret = sysfs_create_group(&class_dev->kobj, &netstat_group))) - goto out_unreg; +void netdev_class_remove_file(struct class_attribute *class_attr) +{ + class_remove_file(&net_class, class_attr); +} -#ifdef WIRELESS_EXT - if (net->get_wireless_stats && - (ret = sysfs_create_group(&class_dev->kobj, &wireless_group))) - goto out_cleanup; +EXPORT_SYMBOL(netdev_class_create_file); +EXPORT_SYMBOL(netdev_class_remove_file); - return 0; -out_cleanup: - if (net->get_stats) - sysfs_remove_group(&class_dev->kobj, &netstat_group); -#else - return 0; -#endif - -out_unreg: - printk(KERN_WARNING "%s: sysfs attribute registration failed %d\n", - net->name, ret); - class_device_unregister(class_dev); -out: - return ret; +void netdev_initialize_kobject(struct net_device *net) +{ + struct device *device = &(net->dev); + device_initialize(device); } -int netdev_sysfs_init(void) +int netdev_kobject_init(void) { return class_register(&net_class); }