4 files changed, 65 insertions, 24 deletions

diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 8fd0242ee16..3df195a3e33 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -612,6 +612,17 @@ void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp)
 }
 EXPORT_SYMBOL(cfg80211_del_sta);
 
+void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
+                          enum nl80211_connect_failed_reason reason,
+                          gfp_t gfp)
+{
+        struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
+        struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+        nl80211_send_conn_failed_event(rdev, dev, mac_addr, reason, gfp);
+}
+EXPORT_SYMBOL(cfg80211_conn_failed);
+
 struct cfg80211_mgmt_registration {
         struct list_head list;
 
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 222189b6ed5..f1047aea868 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -8364,6 +8364,40 @@ void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev,
         nlmsg_free(msg);
 }
 
+void nl80211_send_conn_failed_event(struct cfg80211_registered_device *rdev,
+                                    struct net_device *dev, const u8 *mac_addr,
+                                    enum nl80211_connect_failed_reason reason,
+                                    gfp_t gfp)
+{
+        struct sk_buff *msg;
+        void *hdr;
+
+        msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+        if (!msg)
+                return;
+
+        hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
+        if (!hdr) {
+                nlmsg_free(msg);
+                return;
+        }
+
+        if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
+            nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
+            nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
+                goto nla_put_failure;
+
+        genlmsg_end(msg, hdr);
+
+        genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+                                nl80211_mlme_mcgrp.id, gfp);
+        return;
+
+ nla_put_failure:
+        genlmsg_cancel(msg, hdr);
+        nlmsg_free(msg);
+}
+
 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
                                        const u8 *addr, gfp_t gfp)
 {
diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h
index 9f2616fffb4..f6153516068 100644
--- a/net/wireless/nl80211.h
+++ b/net/wireless/nl80211.h
@@ -91,6 +91,11 @@ void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev,
                                 struct net_device *dev, const u8 *mac_addr,
                                 gfp_t gfp);
 
+void nl80211_send_conn_failed_event(struct cfg80211_registered_device *rdev,
+                                    struct net_device *dev, const u8 *mac_addr,
+                                    enum nl80211_connect_failed_reason reason,
+                                    gfp_t gfp);
+
 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
                       struct wireless_dev *wdev, u32 nlpid,
                       int freq, int sig_dbm,
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 1ad04e54014..844823973da 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -504,9 +504,11 @@ static bool reg_does_bw_fit(const struct ieee80211_freq_range *freq_range,
  *
  * This lets us know if a specific frequency rule is or is not relevant to
  * a specific frequency's band. Bands are device specific and artificial
- * definitions (the "2.4 GHz band" and the "5 GHz band"), however it is
- * safe for now to assume that a frequency rule should not be part of a
- * frequency's band if the start freq or end freq are off by more than 2 GHz.
+ * definitions (the "2.4 GHz band", the "5 GHz band" and the "60GHz band"),
+ * however it is safe for now to assume that a frequency rule should not be
+ * part of a frequency's band if the start freq or end freq are off by more
+ * than 2 GHz for the 2.4 and 5 GHz bands, and by more than 10 GHz for the
+ * 60 GHz band.
  * This resolution can be lowered and should be considered as we add
  * regulatory rule support for other "bands".
  **/
@@ -514,9 +516,16 @@ static bool freq_in_rule_band(const struct ieee80211_freq_range *freq_range,
         u32 freq_khz)
 {
 #define ONE_GHZ_IN_KHZ  1000000
-        if (abs(freq_khz - freq_range->start_freq_khz) <= (2 * ONE_GHZ_IN_KHZ))
+        /*
+         * From 802.11ad: directional multi-gigabit (DMG):
+         * Pertaining to operation in a frequency band containing a channel
+         * with the Channel starting frequency above 45 GHz.
+         */
+        u32 limit = freq_khz > 45 * ONE_GHZ_IN_KHZ ?
+                        10 * ONE_GHZ_IN_KHZ : 2 * ONE_GHZ_IN_KHZ;
+        if (abs(freq_khz - freq_range->start_freq_khz) <= limit)
                 return true;
-        if (abs(freq_khz - freq_range->end_freq_khz) <= (2 * ONE_GHZ_IN_KHZ))
+        if (abs(freq_khz - freq_range->end_freq_khz) <= limit)
                 return true;
         return false;
 #undef ONE_GHZ_IN_KHZ
@@ -2193,7 +2202,6 @@ static void print_regdomain_info(const struct ieee80211_regdomain *rd)
 static int __set_regdom(const struct ieee80211_regdomain *rd)
 {
         const struct ieee80211_regdomain *intersected_rd = NULL;
-        struct cfg80211_registered_device *rdev = NULL;
         struct wiphy *request_wiphy;
         /* Some basic sanity checks first */
 
@@ -2305,24 +2313,7 @@ static int __set_regdom(const struct ieee80211_regdomain *rd)
                 return 0;
         }
 
-        if (!intersected_rd)
-                return -EINVAL;
-
-        rdev = wiphy_to_dev(request_wiphy);
-
-        rdev->country_ie_alpha2[0] = rd->alpha2[0];
-        rdev->country_ie_alpha2[1] = rd->alpha2[1];
-        rdev->env = last_request->country_ie_env;
-
-        BUG_ON(intersected_rd == rd);
-
-        kfree(rd);
-        rd = NULL;
-
-        reset_regdomains(false);
-        cfg80211_regdomain = intersected_rd;
-
-        return 0;
+        return -EINVAL;
 }