cfg80211: combine iwfreq implementations

Until now we implemented iwfreq for managed mode, we
needed to keep the implementations separate, but now
that we have all versions implemented we can combine
them and export just one handler.

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

1 files changed, 53 insertions, 1 deletions

diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index c7351a98e660..fc2e7768967d 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -14,6 +14,7 @@
 #include <linux/etherdevice.h>
 #include <net/iw_handler.h>
 #include <net/cfg80211.h>
+#include "wext-compat.h"
 #include "core.h"
 
 int cfg80211_wext_giwname(struct net_device *dev,
@@ -300,7 +301,6 @@ struct ieee80211_channel *cfg80211_wext_freq(struct wiphy *wiphy,
                 return ERR_PTR(-EINVAL);
         return chan;
 }
-EXPORT_SYMBOL_GPL(cfg80211_wext_freq);
 
 int cfg80211_wext_siwrts(struct net_device *dev,
                          struct iw_request_info *info,
@@ -759,6 +759,58 @@ int cfg80211_wext_giwencode(struct net_device *dev,
 }
 EXPORT_SYMBOL_GPL(cfg80211_wext_giwencode);
 
+int cfg80211_wext_siwfreq(struct net_device *dev,
+                          struct iw_request_info *info,
+                          struct iw_freq *freq, char *extra)
+{
+        struct wireless_dev *wdev = dev->ieee80211_ptr;
+        struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+        struct ieee80211_channel *chan;
+        int err;
+
+        switch (wdev->iftype) {
+        case NL80211_IFTYPE_STATION:
+                return cfg80211_mgd_wext_siwfreq(dev, info, freq, extra);
+        case NL80211_IFTYPE_ADHOC:
+                return cfg80211_ibss_wext_siwfreq(dev, info, freq, extra);
+        default:
+                chan = cfg80211_wext_freq(wdev->wiphy, freq);
+                if (!chan)
+                        return -EINVAL;
+                if (IS_ERR(chan))
+                        return PTR_ERR(chan);
+                err = rdev->ops->set_channel(wdev->wiphy, chan,
+                                             NL80211_CHAN_NO_HT);
+                if (err)
+                        return err;
+                rdev->channel = chan;
+                return 0;
+        }
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_siwfreq);
+
+int cfg80211_wext_giwfreq(struct net_device *dev,
+                          struct iw_request_info *info,
+                          struct iw_freq *freq, char *extra)
+{
+        struct wireless_dev *wdev = dev->ieee80211_ptr;
+        struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+
+        switch (wdev->iftype) {
+        case NL80211_IFTYPE_STATION:
+                return cfg80211_mgd_wext_giwfreq(dev, info, freq, extra);
+        case NL80211_IFTYPE_ADHOC:
+                return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra);
+        default:
+                if (!rdev->channel)
+                        return -EINVAL;
+                freq->m = rdev->channel->center_freq;
+                freq->e = 6;
+                return 0;
+        }
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_giwfreq);
+
 int cfg80211_wext_siwtxpower(struct net_device *dev,
                              struct iw_request_info *info,
                              union iwreq_data *data, char *extra)