4 files changed, 90 insertions, 0 deletions

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 56b0eb25d927..a6ec928186ad 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -1042,6 +1042,68 @@ enum ieee80211_spectrum_mgmt_actioncode {
         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
 };
 
+/*
+ * IEEE 802.11-2007 7.3.2.9 Country information element
+ *
+ * Minimum length is 8 octets, ie len must be evenly
+ * divisible by 2
+ */
+
+/* Although the spec says 8 I'm seeing 6 in practice */
+#define IEEE80211_COUNTRY_IE_MIN_LEN    6
+
+/*
+ * For regulatory extension stuff see IEEE 802.11-2007
+ * Annex I (page 1141) and Annex J (page 1147). Also
+ * review 7.3.2.9.
+ *
+ * When dot11RegulatoryClassesRequired is true and the
+ * first_channel/reg_extension_id is >= 201 then the IE
+ * compromises of the 'ext' struct represented below:
+ *
+ *  - Regulatory extension ID - when generating IE this just needs
+ *    to be monotonically increasing for each triplet passed in
+ *    the IE
+ *  - Regulatory class - index into set of rules
+ *  - Coverage class - index into air propagation time (Table 7-27),
+ *    in microseconds, you can compute the air propagation time from
+ *    the index by multiplying by 3, so index 10 yields a propagation
+ *    of 10 us. Valid values are 0-31, values 32-255 are not defined
+ *    yet. A value of 0 inicates air propagation of <= 1 us.
+ *
+ *  See also Table I.2 for Emission limit sets and table
+ *  I.3 for Behavior limit sets. Table J.1 indicates how to map
+ *  a reg_class to an emission limit set and behavior limit set.
+ */
+#define IEEE80211_COUNTRY_EXTENSION_ID 201
+
+/*
+ *  Channels numbers in the IE must be monotonically increasing
+ *  if dot11RegulatoryClassesRequired is not true.
+ *
+ *  If dot11RegulatoryClassesRequired is true consecutive
+ *  subband triplets following a regulatory triplet shall
+ *  have monotonically increasing first_channel number fields.
+ *
+ *  Channel numbers shall not overlap.
+ *
+ *  Note that max_power is signed.
+ */
+struct ieee80211_country_ie_triplet {
+        union {
+                struct {
+                        u8 first_channel;
+                        u8 num_channels;
+                        s8 max_power;
+                } __attribute__ ((packed)) chans;
+                struct {
+                        u8 reg_extension_id;
+                        u8 reg_class;
+                        u8 coverage_class;
+                } __attribute__ ((packed)) ext;
+        };
+} __attribute__ ((packed));
+
 /* BACK action code */
 enum ieee80211_back_actioncode {
         WLAN_ACTION_ADDBA_REQ = 0,
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index 79827345351d..e08c8bcfb78d 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -508,6 +508,8 @@ enum nl80211_band_attr {
  *      on this channel in current regulatory domain.
  * @NL80211_FREQUENCY_ATTR_RADAR: Radar detection is mandatory
  *      on this channel in current regulatory domain.
+ * @NL80211_FREQUENCY_ATTR_MAX_TX_POWER: Maximum transmission power in mBm
+ *      (100 * dBm).
  */
 enum nl80211_frequency_attr {
         __NL80211_FREQUENCY_ATTR_INVALID,
@@ -516,12 +518,15 @@ enum nl80211_frequency_attr {
         NL80211_FREQUENCY_ATTR_PASSIVE_SCAN,
         NL80211_FREQUENCY_ATTR_NO_IBSS,
         NL80211_FREQUENCY_ATTR_RADAR,
+        NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
 
         /* keep last */
         __NL80211_FREQUENCY_ATTR_AFTER_LAST,
         NL80211_FREQUENCY_ATTR_MAX = __NL80211_FREQUENCY_ATTR_AFTER_LAST - 1
 };
 
+#define NL80211_FREQUENCY_ATTR_MAX_TX_POWER NL80211_FREQUENCY_ATTR_MAX_TX_POWER
+
 /**
  * enum nl80211_bitrate_attr - bitrate attributes
  * @NL80211_BITRATE_ATTR_RATE: Bitrate in units of 100 kbps
diff --git a/include/linux/rfkill.h b/include/linux/rfkill.h
index 4cd64b0d9825..f376a93927f7 100644
--- a/include/linux/rfkill.h
+++ b/include/linux/rfkill.h
@@ -108,6 +108,7 @@ struct rfkill {
 
         struct device dev;
         struct list_head node;
+        enum rfkill_state state_for_resume;
 };
 #define to_rfkill(d)    container_of(d, struct rfkill, dev)
 
diff --git a/include/net/wireless.h b/include/net/wireless.h
index 412351560b76..21c5d966142d 100644
--- a/include/net/wireless.h
+++ b/include/net/wireless.h
@@ -181,6 +181,11 @@ struct ieee80211_supported_band {
  * 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 {
@@ -192,6 +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
@@ -373,4 +380,19 @@ ieee80211_get_response_rate(struct ieee80211_supported_band *sband,
  * 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
+ *
+ * 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 void regulatory_hint_11d(struct wiphy *wiphy,
+                                u8 *country_ie,
+                                u8 country_ie_len);
 #endif /* __NET_WIRELESS_H */