X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;ds=sidebyside;f=net%2Fcore%2Fnet-sysfs.c;h=e8b2acbc8ea2b0473415c938db3f45e3b9233304;hb=987b0145d94eecf292d8b301228356f44611ab7c;hp=060f703659e83544283990912aa92c587938e41b;hpb=5167311cae6aa3a5ff5afd39f88c32a435c969ef;p=linux-2.6.git diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index 060f70365..e8b2acbc8 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -9,6 +9,7 @@ * 2 of the License, or (at your option) any later version. */ +#include #include #include #include @@ -16,11 +17,13 @@ #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) 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"; @@ -83,16 +86,11 @@ 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_hex); -NETDEVICE_ATTR(type, fmt_dec); +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); /* use same locking rules as GIFHWADDR ioctl's */ static ssize_t format_addr(char *buf, const unsigned char *addr, int len) @@ -135,10 +133,6 @@ 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); - /* read-write attributes */ NETDEVICE_SHOW(mtu, fmt_dec); @@ -152,8 +146,6 @@ static ssize_t store_mtu(struct class_device *dev, const char *buf, size_t len) return netdev_store(dev, 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) @@ -166,8 +158,6 @@ static ssize_t store_flags(struct class_device *dev, const char *buf, size_t len return netdev_store(dev, 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) @@ -181,23 +171,34 @@ static ssize_t store_tx_queue_len(struct class_device *dev, const char *buf, siz return netdev_store(dev, 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 +NETDEVICE_SHOW(weight, fmt_dec); + +static int change_weight(struct net_device *net, unsigned long new_weight) +{ + net->weight = new_weight; + return 0; +} + +static ssize_t store_weight(struct class_device *dev, const char *buf, size_t len) +{ + return netdev_store(dev, buf, len, change_weight); +} + +static struct class_device_attribute net_class_attributes[] = { + __ATTR(addr_len, S_IRUGO, show_addr_len, NULL), + __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(address, S_IRUGO, show_address, NULL), + __ATTR(broadcast, S_IRUGO, show_broadcast, NULL), + __ATTR(carrier, S_IRUGO, show_carrier, 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), + __ATTR(weight, S_IRUGO | S_IWUSR, show_weight, store_weight), + {} }; /* Show a given an attribute in the statistics group */ @@ -295,13 +296,19 @@ static ssize_t wireless_show(struct class_device *cd, char *buf, char *)) { struct net_device *dev = to_net_dev(cd); - const struct iw_statistics *iw; + const struct iw_statistics *iw = NULL; 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); + if (dev_isalive(dev)) { + if(dev->wireless_handlers && + dev->wireless_handlers->get_wireless_stats) + iw = dev->wireless_handlers->get_wireless_stats(dev); + else if (dev->get_wireless_stats) + iw = dev->get_wireless_stats(dev); + if (iw != NULL) + ret = (*format)(iw, buf); + } read_unlock(&dev_base_lock); return ret; @@ -351,14 +358,14 @@ static struct attribute_group wireless_group = { #endif #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 class_device *cd, char **envp, + int num_envp, char *buf, int size) { struct net_device *dev = to_net_dev(cd); int i = 0; int n; - /* pass interface in env to hotplug. */ + /* pass interface to uevent. */ envp[i++] = buf; n = snprintf(buf, size, "INTERFACE=%s", dev->name) + 1; buf += n; @@ -389,8 +396,9 @@ static void netdev_release(struct class_device *cd) static struct class net_class = { .name = "net", .release = netdev_release, + .class_dev_attrs = net_class_attributes, #ifdef CONFIG_HOTPLUG - .hotplug = netdev_hotplug, + .uevent = netdev_uevent, #endif }; @@ -402,7 +410,8 @@ void netdev_unregister_sysfs(struct net_device * net) sysfs_remove_group(&class_dev->kobj, &netstat_group); #ifdef WIRELESS_EXT - if (net->get_wireless_stats) + if (net->get_wireless_stats || (net->wireless_handlers && + net->wireless_handlers->get_wireless_stats)) sysfs_remove_group(&class_dev->kobj, &wireless_group); #endif class_device_del(class_dev); @@ -413,8 +422,6 @@ void netdev_unregister_sysfs(struct net_device * net) int netdev_register_sysfs(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; @@ -424,21 +431,17 @@ int netdev_register_sysfs(struct net_device *net) if ((ret = class_device_register(class_dev))) goto out; - for (i = 0; (attr = net_class_attributes[i]) != NULL; i++) { - if ((ret = class_device_create_file(class_dev, attr))) - goto out_unreg; - } - - if (net->get_stats && (ret = sysfs_create_group(&class_dev->kobj, &netstat_group))) goto out_unreg; #ifdef WIRELESS_EXT - if (net->get_wireless_stats && - (ret = sysfs_create_group(&class_dev->kobj, &wireless_group))) - goto out_cleanup; - + if (net->get_wireless_stats || (net->wireless_handlers && + net->wireless_handlers->get_wireless_stats)) { + ret = sysfs_create_group(&class_dev->kobj, &wireless_group); + if (ret) + goto out_cleanup; + } return 0; out_cleanup: if (net->get_stats)