c9aca9da02
Fix signedness mixup making mac addresses show up strangely (like 00:11:22:33:44:ffffffaa) in /sys/class/ieee80211/*/macaddress. Signed-off-by: David Lamparter <equinox@diac24.net> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
80 lines
1.8 KiB
C
80 lines
1.8 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 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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{}
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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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