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authorJohannes Berg <johannes@sipsolutions.net>2008-11-26 22:36:31 +0100
committerJohn W. Linville <linville@tuxdriver.com>2008-12-05 09:32:13 -0500
commitfee52678dbda2099a25243e79da98dc390e1939a (patch)
tree4bf459c869e89cf2bb0be2869be3e6a720f9a218 /net/wireless
parentf650470a8f506bc33a15778432ebb8cdcf89175b (diff)
cfg80211: handle SIOCGIWNAME
This patch moves the SIOCGIWNAME handling from mac80211 to cfg80211. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/wireless')
-rw-r--r--net/wireless/Makefile1
-rw-r--r--net/wireless/wext-compat.c60
2 files changed, 61 insertions, 0 deletions
diff --git a/net/wireless/Makefile b/net/wireless/Makefile
index cc547edb111..9bc412c8343 100644
--- a/net/wireless/Makefile
+++ b/net/wireless/Makefile
@@ -6,4 +6,5 @@ obj-$(CONFIG_LIB80211_CRYPT_CCMP) += lib80211_crypt_ccmp.o
obj-$(CONFIG_LIB80211_CRYPT_TKIP) += lib80211_crypt_tkip.o
cfg80211-y += core.o sysfs.o radiotap.o util.o reg.o
+cfg80211-$(CONFIG_WIRELESS_EXT) += wext-compat.o
cfg80211-$(CONFIG_NL80211) += nl80211.o
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
new file mode 100644
index 00000000000..a5db4551a31
--- /dev/null
+++ b/net/wireless/wext-compat.c
@@ -0,0 +1,60 @@
+/*
+ * cfg80211 - wext compat code
+ *
+ * This is temporary code until all wireless functionality is migrated
+ * into cfg80211, when that happens all the exports here go away and
+ * we directly assign the wireless handlers of wireless interfaces.
+ *
+ * Copyright 2008 Johannes Berg <johannes@sipsolutions.net>
+ */
+
+#include <linux/wireless.h>
+#include <linux/nl80211.h>
+#include <net/iw_handler.h>
+#include <net/wireless.h>
+#include <net/cfg80211.h>
+#include "core.h"
+
+int cfg80211_wext_giwname(struct net_device *dev,
+ struct iw_request_info *info,
+ char *name, char *extra)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct ieee80211_supported_band *sband;
+ bool is_ht = false, is_a = false, is_b = false, is_g = false;
+
+ if (!wdev)
+ return -EOPNOTSUPP;
+
+ sband = wdev->wiphy->bands[IEEE80211_BAND_5GHZ];
+ if (sband) {
+ is_a = true;
+ is_ht |= sband->ht_cap.ht_supported;
+ }
+
+ sband = wdev->wiphy->bands[IEEE80211_BAND_2GHZ];
+ if (sband) {
+ int i;
+ /* Check for mandatory rates */
+ for (i = 0; i < sband->n_bitrates; i++) {
+ if (sband->bitrates[i].bitrate == 10)
+ is_b = true;
+ if (sband->bitrates[i].bitrate == 60)
+ is_g = true;
+ }
+ is_ht |= sband->ht_cap.ht_supported;
+ }
+
+ strcpy(name, "IEEE 802.11");
+ if (is_a)
+ strcat(name, "a");
+ if (is_b)
+ strcat(name, "b");
+ if (is_g)
+ strcat(name, "g");
+ if (is_ht)
+ strcat(name, "n");
+
+ return 0;
+}
+EXPORT_SYMBOL(cfg80211_wext_giwname);