nl80211: export supported commands

This makes nl80211 export the supported commands (command groups)
per wiphy so userspace has an idea what it can do -- this will be
required reading for userspace when we introduce auth/assoc /or/
connect for older hardware that cannot separate auth and assoc.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index f33aa08..3700d92 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -349,6 +349,10 @@
  * @NL80211_ATTR_REG_TYPE: indicates the type of the regulatory domain currently
  * 	set. This can be one of the nl80211_reg_type (%NL80211_REGDOM_TYPE_*)
  *
+ * @NL80211_ATTR_SUPPORTED_COMMANDS: wiphy attribute that specifies
+ *	an array of command numbers (i.e. a mapping index to command number)
+ *	that the driver for the given wiphy supports.
+ *
  * @NL80211_ATTR_MAX: highest attribute number currently defined
  * @__NL80211_ATTR_AFTER_LAST: internal use
  */
@@ -426,6 +430,8 @@
 	NL80211_ATTR_REG_INITIATOR,
 	NL80211_ATTR_REG_TYPE,
 
+	NL80211_ATTR_SUPPORTED_COMMANDS,
+
 	/* add attributes here, update the policy in nl80211.c */
 
 	__NL80211_ATTR_AFTER_LAST,