mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
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9aa53bb177
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7692 3c298f89-4303-0410-b956-a3cf2f4a3e73
131 lines
2.9 KiB
C
131 lines
2.9 KiB
C
/*
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* This file provides /sys/class/ieee80211/<wiphy name>/
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* and some default attributes.
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*
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* Copyright 2005-2006 Jiri Benc <jbenc@suse.cz>
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* Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
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*
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* This file is GPLv2 as found in COPYING.
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*/
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#include <linux/device.h>
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#include <linux/module.h>
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#include <linux/netdevice.h>
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#include <linux/nl80211.h>
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#include <linux/rtnetlink.h>
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#include <net/cfg80211.h>
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#include "sysfs.h"
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#include "core.h"
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static inline struct cfg80211_registered_device *dev_to_rdev(
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struct device *dev)
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{
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return container_of(dev, struct cfg80211_registered_device, wiphy.dev);
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}
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static ssize_t _show_index(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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return sprintf(buf, "%d\n", dev_to_rdev(dev)->idx);
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}
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static ssize_t _show_permaddr(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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unsigned char *addr = dev_to_rdev(dev)->wiphy.perm_addr;
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return sprintf(buf, "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n",
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addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
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}
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static ssize_t _store_add_iface(struct device *dev,
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struct device_attribute *attr,
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const char *buf, size_t len)
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{
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struct cfg80211_registered_device *rdev = dev_to_rdev(dev);
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int res;
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if (len > IFNAMSIZ)
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return -EINVAL;
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if (!rdev->ops->add_virtual_intf)
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return -ENOSYS;
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rtnl_lock();
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res = rdev->ops->add_virtual_intf(&rdev->wiphy, (char*)buf,
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NL80211_IFTYPE_UNSPECIFIED);
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rtnl_unlock();
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return res ? res : len;
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}
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static ssize_t _store_remove_iface(struct device *dev,
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struct device_attribute *attr,
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const char *buf, size_t len)
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{
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struct cfg80211_registered_device *rdev = dev_to_rdev(dev);
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int res, ifidx;
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struct net_device *netdev;
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if (len > IFNAMSIZ)
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return -EINVAL;
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if (!rdev->ops->del_virtual_intf)
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return -ENOSYS;
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netdev = dev_get_by_name(buf);
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if (!netdev)
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return -ENODEV;
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ifidx = netdev->ifindex;
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dev_put(netdev);
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rtnl_lock();
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res = rdev->ops->del_virtual_intf(&rdev->wiphy, ifidx);
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rtnl_unlock();
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return res ? res : len;
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}
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static struct device_attribute ieee80211_dev_attrs[] = {
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__ATTR(index, S_IRUGO, _show_index, NULL),
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__ATTR(macaddress, S_IRUGO, _show_permaddr, NULL),
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__ATTR(add_iface, S_IWUGO, NULL, _store_add_iface),
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__ATTR(remove_iface, S_IWUGO, NULL, _store_remove_iface),
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{}
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};
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static void wiphy_dev_release(struct device *dev)
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{
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struct cfg80211_registered_device *rdev = dev_to_rdev(dev);
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cfg80211_dev_free(rdev);
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}
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static int wiphy_uevent(struct device *dev, char **envp,
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int num_envp, char *buf, int size)
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{
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/* TODO, we probably need stuff here */
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return 0;
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}
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struct class ieee80211_class = {
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.name = "ieee80211",
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.owner = THIS_MODULE,
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.dev_release = wiphy_dev_release,
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.dev_attrs = ieee80211_dev_attrs,
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#ifdef CONFIG_HOTPLUG
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.dev_uevent = wiphy_uevent,
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#endif
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};
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int wiphy_sysfs_init(void)
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{
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return class_register(&ieee80211_class);
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}
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void wiphy_sysfs_exit(void)
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{
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class_unregister(&ieee80211_class);
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}
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