1 files changed, 94 insertions, 2 deletions

diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index 5e51f4e7600b..9bad65400fba 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -92,6 +92,20 @@
  * @NL80211_CMD_SET_BSS: Set BSS attributes for BSS identified by
  *      %NL80211_ATTR_IFINDEX.
  *
+ * @NL80211_CMD_SET_REG: Set current regulatory domain. CRDA sends this command
+ *      after being queried by the kernel. CRDA replies by sending a regulatory
+ *      domain structure which consists of %NL80211_ATTR_REG_ALPHA set to our
+ *      current alpha2 if it found a match. It also provides
+ *      NL80211_ATTR_REG_RULE_FLAGS, and a set of regulatory rules. Each
+ *      regulatory rule is a nested set of attributes  given by
+ *      %NL80211_ATTR_REG_RULE_FREQ_[START|END] and
+ *      %NL80211_ATTR_FREQ_RANGE_MAX_BW with an attached power rule given by
+ *      %NL80211_ATTR_REG_RULE_POWER_MAX_ANT_GAIN and
+ *      %NL80211_ATTR_REG_RULE_POWER_MAX_EIRP.
+ * @NL80211_CMD_REQ_SET_REG: ask the wireless core to set the regulatory domain
+ *      to the the specified ISO/IEC 3166-1 alpha2 country code. The core will
+ *      store this as a valid request and then query userspace for it.
+ *
  * @NL80211_CMD_MAX: highest used command number
  * @__NL80211_CMD_AFTER_LAST: internal use
  */
@@ -131,7 +145,10 @@ enum nl80211_commands {
 
         NL80211_CMD_SET_BSS,
 
-        /* add commands here */
+        NL80211_CMD_SET_REG,
+        NL80211_CMD_REQ_SET_REG,
+
+        /* add new commands above here */
 
         /* used to define NL80211_CMD_MAX below */
         __NL80211_CMD_AFTER_LAST,
@@ -197,10 +214,21 @@ enum nl80211_commands {
  *      info given for %NL80211_CMD_GET_MPATH, nested attribute described at
  *      &enum nl80211_mpath_info.
  *
- *
  * @NL80211_ATTR_MNTR_FLAGS: flags, nested element with NLA_FLAG attributes of
  *      &enum nl80211_mntr_flags.
  *
+ * @NL80211_ATTR_REG_ALPHA2: an ISO-3166-alpha2 country code for which the
+ *      current regulatory domain should be set to or is already set to.
+ *      For example, 'CR', for Costa Rica. This attribute is used by the kernel
+ *      to query the CRDA to retrieve one regulatory domain. This attribute can
+ *      also be used by userspace to query the kernel for the currently set
+ *      regulatory domain. We chose an alpha2 as that is also used by the
+ *      IEEE-802.11d country information element to identify a country.
+ *      Users can also simply ask the wireless core to set regulatory domain
+ *      to a specific alpha2.
+ * @NL80211_ATTR_REG_RULES: a nested array of regulatory domain regulatory
+ *      rules.
+ *
  * @NL80211_ATTR_BSS_CTS_PROT: whether CTS protection is enabled (u8, 0 or 1)
  * @NL80211_ATTR_BSS_SHORT_PREAMBLE: whether short preamble is enabled
  *      (u8, 0 or 1)
@@ -265,6 +293,9 @@ enum nl80211_attrs {
 
         NL80211_ATTR_SUPPORTED_IFTYPES,
 
+        NL80211_ATTR_REG_ALPHA2,
+        NL80211_ATTR_REG_RULES,
+
         /* add attributes here, update the policy in nl80211.c */
 
         __NL80211_ATTR_AFTER_LAST,
@@ -278,6 +309,7 @@ enum nl80211_attrs {
 #define NL80211_ATTR_HT_CAPABILITY NL80211_ATTR_HT_CAPABILITY
 
 #define NL80211_MAX_SUPP_RATES                  32
+#define NL80211_MAX_SUPP_REG_RULES              32
 #define NL80211_TKIP_DATA_OFFSET_ENCR_KEY       0
 #define NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY     16
 #define NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY     24
@@ -473,6 +505,66 @@ enum nl80211_bitrate_attr {
 };
 
 /**
+ * enum nl80211_reg_rule_attr - regulatory rule attributes
+ * @NL80211_ATTR_REG_RULE_FLAGS: a set of flags which specify additional
+ *      considerations for a given frequency range. These are the
+ *      &enum nl80211_reg_rule_flags.
+ * @NL80211_ATTR_FREQ_RANGE_START: starting frequencry for the regulatory
+ *      rule in KHz. This is not a center of frequency but an actual regulatory
+ *      band edge.
+ * @NL80211_ATTR_FREQ_RANGE_END: ending frequency for the regulatory rule
+ *      in KHz. This is not a center a frequency but an actual regulatory
+ *      band edge.
+ * @NL80211_ATTR_FREQ_RANGE_MAX_BW: maximum allowed bandwidth for this
+ *      frequency range, in KHz.
+ * @NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN: the maximum allowed antenna gain
+ *      for a given frequency range. The value is in mBi (100 * dBi).
+ *      If you don't have one then don't send this.
+ * @NL80211_ATTR_POWER_RULE_MAX_EIRP: the maximum allowed EIRP for
+ *      a given frequency range. The value is in mBm (100 * dBm).
+ */
+enum nl80211_reg_rule_attr {
+        __NL80211_REG_RULE_ATTR_INVALID,
+        NL80211_ATTR_REG_RULE_FLAGS,
+
+        NL80211_ATTR_FREQ_RANGE_START,
+        NL80211_ATTR_FREQ_RANGE_END,
+        NL80211_ATTR_FREQ_RANGE_MAX_BW,
+
+        NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
+        NL80211_ATTR_POWER_RULE_MAX_EIRP,
+
+        /* keep last */
+        __NL80211_REG_RULE_ATTR_AFTER_LAST,
+        NL80211_REG_RULE_ATTR_MAX = __NL80211_REG_RULE_ATTR_AFTER_LAST - 1
+};
+
+/**
+ * enum nl80211_reg_rule_flags - regulatory rule flags
+ *
+ * @NL80211_RRF_NO_OFDM: OFDM modulation not allowed
+ * @NL80211_RRF_NO_CCK: CCK modulation not allowed
+ * @NL80211_RRF_NO_INDOOR: indoor operation not allowed
+ * @NL80211_RRF_NO_OUTDOOR: outdoor operation not allowed
+ * @NL80211_RRF_DFS: DFS support is required to be used
+ * @NL80211_RRF_PTP_ONLY: this is only for Point To Point links
+ * @NL80211_RRF_PTMP_ONLY: this is only for Point To Multi Point links
+ * @NL80211_RRF_PASSIVE_SCAN: passive scan is required
+ * @NL80211_RRF_NO_IBSS: no IBSS is allowed
+ */
+enum nl80211_reg_rule_flags {
+        NL80211_RRF_NO_OFDM             = 1<<0,
+        NL80211_RRF_NO_CCK              = 1<<1,
+        NL80211_RRF_NO_INDOOR           = 1<<2,
+        NL80211_RRF_NO_OUTDOOR          = 1<<3,
+        NL80211_RRF_DFS                 = 1<<4,
+        NL80211_RRF_PTP_ONLY            = 1<<5,
+        NL80211_RRF_PTMP_ONLY           = 1<<6,
+        NL80211_RRF_PASSIVE_SCAN        = 1<<7,
+        NL80211_RRF_NO_IBSS             = 1<<8,
+};
+
+/**
  * enum nl80211_mntr_flags - monitor configuration flags
  *
  * Monitor configuration flags.