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-rw-r--r--include/net/wireless.h90
1 files changed, 47 insertions, 43 deletions
diff --git a/include/net/wireless.h b/include/net/wireless.h
index 721efb363db..21c5d966142 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 */