wireless: remove wext sysfs

The only user of this was hal prior to its 0.5.12
release which happened over two years ago, so I'm
sure this can be removed without issues.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index 56000b33340bbe33f0b141934c756470d32ecbbd..0258e3d06280e909a4703128a2c45e45767428f9 100644 (file)
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -249,15 +249,6 @@ Who:       Ravikiran Thirumalai <kiran@scalex86.org>
 
 ---------------------------
 
-What:  Code that is now under CONFIG_WIRELESS_EXT_SYSFS
-       (in net/core/net-sysfs.c)
-When:  3.5
-Why:   Over 1K .text/.data size reduction, data is available in other
-       ways (ioctls)
-Who:   Johannes Berg <johannes@sipsolutions.net>
-
----------------------------
-
 What:  sysfs ui for changing p4-clockmod parameters
 When:  September 2009
 Why:   See commits 129f8ae9b1b5be94517da76009ea956e89104ce8 and

diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index fdf9e61d0651fab74e2836593a872586cd8efec3..72607174ea5a4af158855f588b767b5c4c86d973 100644 (file)
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -417,72 +417,6 @@ static struct attribute_group netstat_group = {
        .name  = "statistics",
        .attrs  = netstat_attrs,
 };
-
-#ifdef CONFIG_WIRELESS_EXT_SYSFS
-/* helper function that does all the locking etc for wireless stats */
-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(d);
-       const struct iw_statistics *iw;
-       ssize_t ret = -EINVAL;
-
-       if (!rtnl_trylock())
-               return restart_syscall();
-       if (dev_isalive(dev)) {
-               iw = get_wireless_stats(dev);
-               if (iw)
-                       ret = (*format)(iw, buf);
-       }
-       rtnl_unlock();
-
-       return ret;
-}
-
-/* show function template for wireless fields */
-#define WIRELESS_SHOW(name, field, format_string)                      \
-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 device *d,                                \
-                             struct device_attribute *attr, char *buf) \
-{                                                                      \
-       return wireless_show(d, buf, format_iw_##name);                 \
-}                                                                      \
-static DEVICE_ATTR(name, S_IRUGO, show_iw_##name, NULL)
-
-WIRELESS_SHOW(status, status, fmt_hex);
-WIRELESS_SHOW(link, qual.qual, fmt_dec);
-WIRELESS_SHOW(level, qual.level, fmt_dec);
-WIRELESS_SHOW(noise, qual.noise, fmt_dec);
-WIRELESS_SHOW(nwid, discard.nwid, fmt_dec);
-WIRELESS_SHOW(crypt, discard.code, fmt_dec);
-WIRELESS_SHOW(fragment, discard.fragment, fmt_dec);
-WIRELESS_SHOW(misc, discard.misc, fmt_dec);
-WIRELESS_SHOW(retries, discard.retries, fmt_dec);
-WIRELESS_SHOW(beacon, miss.beacon, fmt_dec);
-
-static struct attribute *wireless_attrs[] = {
-       &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
-};
-
-static struct attribute_group wireless_group = {
-       .name = "wireless",
-       .attrs = wireless_attrs,
-};
-#endif
 #endif /* CONFIG_SYSFS */
 
 #ifdef CONFIG_RPS
@@ -1463,14 +1397,6 @@ int netdev_register_kobject(struct net_device *net)
                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 */
 
        error = device_add(dev);

diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig
index 2e4444fedbe0143430fdaffdd58c8793ee6da9de..8dba3c60794a995726e1e754560169d8a92ea6b0 100644 (file)
--- a/net/wireless/Kconfig
+++ b/net/wireless/Kconfig
@@ -119,19 +119,6 @@ config CFG80211_WEXT
          Enable this option if you need old userspace for wireless
          extensions with cfg80211-based drivers.
 
-config WIRELESS_EXT_SYSFS
-       bool "Wireless extensions sysfs files"
-       depends on WEXT_CORE && SYSFS
-       help
-         This option enables the deprecated wireless statistics
-         files in /sys/class/net/*/wireless/. The same information
-         is available via the ioctls as well.
-
-         Say N. If you know you have ancient tools requiring it,
-         like very old versions of hal (prior to 0.5.12 release),
-         say Y and update the tools as soon as possible as this
-         option will be removed soon.
-
 config LIB80211
        tristate "Common routines for IEEE802.11 drivers"
        default n