diff options
Diffstat (limited to 'net/wireless_ath/sysfs.c')
-rwxr-xr-x | net/wireless_ath/sysfs.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/net/wireless_ath/sysfs.c b/net/wireless_ath/sysfs.c new file mode 100755 index 0000000..2f8af6e --- /dev/null +++ b/net/wireless_ath/sysfs.c @@ -0,0 +1,157 @@ +/* + * This file provides /sys/class/ieee80211/<wiphy name>/ + * and some default attributes. + * + * Copyright 2005-2006 Jiri Benc <jbenc@suse.cz> + * Copyright 2006 Johannes Berg <johannes@sipsolutions.net> + * + * This file is GPLv2 as found in COPYING. + */ + +#include <linux/device.h> +#include <linux/module.h> +#include <linux/netdevice.h> +#include <linux/nl80211.h> +#include <linux/rtnetlink.h> +#include <net/cfg80211.h> +#include "sysfs.h" +#include "core.h" + +static inline struct cfg80211_registered_device *dev_to_rdev( + struct device *dev) +{ + return container_of(dev, struct cfg80211_registered_device, wiphy.dev); +} + +#define SHOW_FMT(name, fmt, member) \ +static ssize_t name ## _show(struct device *dev, \ + struct device_attribute *attr, \ + char *buf) \ +{ \ + return sprintf(buf, fmt "\n", dev_to_rdev(dev)->member); \ +} + +SHOW_FMT(index, "%d", wiphy_idx); +SHOW_FMT(macaddress, "%pM", wiphy.perm_addr); +SHOW_FMT(address_mask, "%pM", wiphy.addr_mask); + +static ssize_t name_show(struct device *dev, + struct device_attribute *attr, + char *buf) { + struct wiphy *wiphy = &dev_to_rdev(dev)->wiphy; + return sprintf(buf, "%s\n", dev_name(&wiphy->dev)); +} + + +static ssize_t addresses_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct wiphy *wiphy = &dev_to_rdev(dev)->wiphy; + char *start = buf; + int i; + + if (!wiphy->addresses) + return sprintf(buf, "%pM\n", wiphy->perm_addr); + + for (i = 0; i < wiphy->n_addresses; i++) + buf += sprintf(buf, "%pM\n", &wiphy->addresses[i].addr); + + return buf - start; +} + +static struct device_attribute ieee80211_dev_attrs[] = { + __ATTR_RO(index), + __ATTR_RO(macaddress), + __ATTR_RO(address_mask), + __ATTR_RO(addresses), + __ATTR_RO(name), + {} +}; + +static void wiphy_dev_release(struct device *dev) +{ + struct cfg80211_registered_device *rdev = dev_to_rdev(dev); + + cfg80211_dev_free(rdev); +} + +#ifdef CONFIG_HOTPLUG +static int wiphy_uevent(struct device *dev, struct kobj_uevent_env *env) +{ + /* TODO, we probably need stuff here */ + return 0; +} +#endif + +static int wiphy_suspend(struct device *dev, pm_message_t state) +{ + struct cfg80211_registered_device *rdev = dev_to_rdev(dev); + int ret = 0; + + rdev->suspend_at = get_seconds(); + + if (rdev->ops->suspend) { + rtnl_lock(); + if (rdev->wiphy.registered) + ret = rdev->ops->suspend(&rdev->wiphy, rdev->wowlan); + rtnl_unlock(); + } + + return ret; +} + +static int wiphy_resume(struct device *dev) +{ + struct cfg80211_registered_device *rdev = dev_to_rdev(dev); + int ret = 0; + + /* Age scan results with time spent in suspend */ + spin_lock_bh(&rdev->bss_lock); + cfg80211_bss_age(rdev, get_seconds() - rdev->suspend_at); + spin_unlock_bh(&rdev->bss_lock); + + if (rdev->ops->resume) { + rtnl_lock(); + if (rdev->wiphy.registered) + ret = rdev->ops->resume(&rdev->wiphy); + rtnl_unlock(); + } + + return ret; +} + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) +static const void *wiphy_namespace(struct device *d) +{ + struct wiphy *wiphy = container_of(d, struct wiphy, dev); + + return wiphy_net(wiphy); +} +#endif + +struct class ieee80211_class = { + .name = "ieee80211", + .owner = THIS_MODULE, + .dev_release = wiphy_dev_release, + .dev_attrs = ieee80211_dev_attrs, +#ifdef CONFIG_HOTPLUG + .dev_uevent = wiphy_uevent, +#endif + .suspend = wiphy_suspend, + .resume = wiphy_resume, +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) + .ns_type = &net_ns_type_operations, + .namespace = wiphy_namespace, +#endif +}; + +int wiphy_sysfs_init(void) +{ + return class_register(&ieee80211_class); +} + +void wiphy_sysfs_exit(void) +{ + class_unregister(&ieee80211_class); +} |