1 files changed, 47 insertions, 43 deletions

diff --git a/include/net/wireless.h b/include/net/wireless.h
index 721efb363db7..21c5d966142d 100644
--- a/include/net/wireless.h
+++ b/include/net/wireless.h
@@ -10,6 +10,7 @@
 #include <linux/netdevice.h>
 #include <linux/debugfs.h>
 #include <linux/list.h>
+#include <linux/ieee80211.h>
 #include <net/cfg80211.h>
 
 /**
@@ -133,23 +134,23 @@ struct ieee80211_rate {
 };
 
 /**
- * struct ieee80211_ht_info - describing STA's HT capabilities
+ * struct ieee80211_sta_ht_cap - STA's HT capabilities
  *
  * This structure describes most essential parameters needed
  * to describe 802.11n HT capabilities for an STA.
  *
- * @ht_supported: is HT supported by STA, 0: no, 1: yes
+ * @ht_supported: is HT supported by the STA
  * @cap: HT capabilities map as described in 802.11n spec
  * @ampdu_factor: Maximum A-MPDU length factor
  * @ampdu_density: Minimum A-MPDU spacing
- * @supp_mcs_set: Supported MCS set as described in 802.11n spec
+ * @mcs: Supported MCS rates
  */
-struct ieee80211_ht_info {
+struct ieee80211_sta_ht_cap {
         u16 cap; /* use IEEE80211_HT_CAP_ */
-        u8 ht_supported;
+        bool ht_supported;
         u8 ampdu_factor;
         u8 ampdu_density;
-        u8 supp_mcs_set[16];
+        struct ieee80211_mcs_info mcs;
 };
 
 /**
@@ -173,13 +174,18 @@ struct ieee80211_supported_band {
         enum ieee80211_band band;
         int n_channels;
         int n_bitrates;
-        struct ieee80211_ht_info ht_info;
+        struct ieee80211_sta_ht_cap ht_cap;
 };
 
 /**
  * struct wiphy - wireless hardware description
  * @idx: the wiphy index assigned to this item
  * @class_dev: the class device representing /sys/class/ieee80211/<wiphy-name>
+ * @fw_handles_regulatory: tells us the firmware for this device
+ *      has its own regulatory solution and cannot identify the
+ *      ISO / IEC 3166 alpha2 it belongs to. When this is enabled
+ *      we will disregard the first regulatory hint (when the
+ *      initiator is %REGDOM_SET_BY_CORE).
  * @reg_notifier: the driver's regulatory notification callback
  */
 struct wiphy {
@@ -191,6 +197,8 @@ struct wiphy {
         /* Supported interface modes, OR together BIT(NL80211_IFTYPE_...) */
         u16 interface_modes;
 
+        bool fw_handles_regulatory;
+
         /* If multiple wiphys are registered and you're handed e.g.
          * a regular netdev with assigned ieee80211_ptr, you won't
          * know whether it points to a wiphy your driver has registered
@@ -262,9 +270,9 @@ static inline struct device *wiphy_dev(struct wiphy *wiphy)
 /**
  * wiphy_name - get wiphy name
  */
-static inline char *wiphy_name(struct wiphy *wiphy)
+static inline const char *wiphy_name(struct wiphy *wiphy)
 {
-        return wiphy->dev.bus_id;
+        return dev_name(&wiphy->dev);
 }
 
 /**
@@ -340,55 +348,51 @@ ieee80211_get_channel(struct wiphy *wiphy, int freq)
 }
 
 /**
- * __regulatory_hint - hint to the wireless core a regulatory domain
- * @wiphy: if a driver is providing the hint this is the driver's very
- *      own &struct wiphy
- * @alpha2: the ISO/IEC 3166 alpha2 being claimed the regulatory domain
- *      should be in. If @rd is set this should be NULL
- * @rd: a complete regulatory domain, if passed the caller need not worry
- *      about freeing it
- *
- * The Wireless subsystem can use this function to hint to the wireless core
- * what it believes should be the current regulatory domain by
- * giving it an ISO/IEC 3166 alpha2 country code it knows its regulatory
- * domain should be in or by providing a completely build regulatory domain.
+ * ieee80211_get_response_rate - get basic rate for a given rate
  *
- * Returns -EALREADY if *a regulatory domain* has already been set. Note that
- * this could be by another driver. It is safe for drivers to continue if
- * -EALREADY is returned, if drivers are not capable of world roaming they
- * should not register more channels than they support. Right now we only
- * support listening to the first driver hint. If the driver is capable
- * of world roaming but wants to respect its own EEPROM mappings for
- * specific regulatory domains it should register the @reg_notifier callback
- * on the &struct wiphy. Returns 0 if the hint went through fine or through an
- * intersection operation. Otherwise a standard error code is returned.
+ * @sband: the band to look for rates in
+ * @basic_rates: bitmap of basic rates
+ * @bitrate: the bitrate for which to find the basic rate
  *
+ * This function returns the basic rate corresponding to a given
+ * bitrate, that is the next lower bitrate contained in the basic
+ * rate map, which is, for this function, given as a bitmap of
+ * indices of rates in the band's bitrate table.
  */
-extern int __regulatory_hint(struct wiphy *wiphy, enum reg_set_by set_by,
-                const char *alpha2, struct ieee80211_regdomain *rd);
+struct ieee80211_rate *
+ieee80211_get_response_rate(struct ieee80211_supported_band *sband,
+                            u64 basic_rates, int bitrate);
+
 /**
  * regulatory_hint - driver hint to the wireless core a regulatory domain
- * @wiphy: the driver's very own &struct wiphy
+ * @wiphy: the wireless device giving the hint (used only for reporting
+ *      conflicts)
  * @alpha2: the ISO/IEC 3166 alpha2 the driver claims its regulatory domain
  *      should be in. If @rd is set this should be NULL. Note that if you
  *      set this to NULL you should still set rd->alpha2 to some accepted
  *      alpha2.
- * @rd: a complete regulatory domain provided by the driver. If passed
- *      the driver does not need to worry about freeing it.
  *
  * Wireless drivers can use this function to hint to the wireless core
  * what it believes should be the current regulatory domain by
  * giving it an ISO/IEC 3166 alpha2 country code it knows its regulatory
  * domain should be in or by providing a completely build regulatory domain.
  * If the driver provides an ISO/IEC 3166 alpha2 userspace will be queried
- * for a regulatory domain structure for the respective country. If
- * a regulatory domain is build and passed you should set the alpha2
- * if possible, otherwise set it to the special value of "99" which tells
- * the wireless core it is unknown. If you pass a built regulatory domain
- * and we return non zero you are in charge of kfree()'ing the structure.
+ * for a regulatory domain structure for the respective country.
+ */
+extern void regulatory_hint(struct wiphy *wiphy, const char *alpha2);
+
+/**
+ * regulatory_hint_11d - hints a country IE as a regulatory domain
+ * @wiphy: the wireless device giving the hint (used only for reporting
+ *      conflicts)
+ * @country_ie: pointer to the country IE
+ * @country_ie_len: length of the country IE
  *
- * See __regulatory_hint() documentation for possible return values.
+ * We will intersect the rd with the what CRDA tells us should apply
+ * for the alpha2 this country IE belongs to, this prevents APs from
+ * sending us incorrect or outdated information against a country.
  */
-extern int regulatory_hint(struct wiphy *wiphy,
-                const char *alpha2, struct ieee80211_regdomain *rd);
+extern void regulatory_hint_11d(struct wiphy *wiphy,
+                                u8 *country_ie,
+                                u8 country_ie_len);
 #endif /* __NET_WIRELESS_H */