cfg80211: process regulatory DFS region for countries

[mirror_ubuntu-bionic-kernel.git] / net / wireless / reg.c

diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 2520a1b7e7db7947754dafe3c814405ea26798e7..69141ed1f6dfea2b89cad572ddabf564bfdb20c8 100644 (file)
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1946,6 +1946,42 @@ static void print_rd_rules(const struct ieee80211_regdomain *rd)
        }
 }
 
+bool reg_supported_dfs_region(u8 dfs_region)
+{
+       switch (dfs_region) {
+       case NL80211_DFS_UNSET:
+       case NL80211_DFS_FCC:
+       case NL80211_DFS_ETSI:
+       case NL80211_DFS_JP:
+               return true;
+       default:
+               REG_DBG_PRINT("Ignoring uknown DFS master region: %d\n",
+                             dfs_region);
+               return false;
+       }
+}
+
+static void print_dfs_region(u8 dfs_region)
+{
+       if (!dfs_region)
+               return;
+
+       switch (dfs_region) {
+       case NL80211_DFS_FCC:
+               pr_info(" DFS Master region FCC");
+               break;
+       case NL80211_DFS_ETSI:
+               pr_info(" DFS Master region ETSI");
+               break;
+       case NL80211_DFS_JP:
+               pr_info(" DFS Master region JP");
+               break;
+       default:
+               pr_info(" DFS Master region Uknown");
+               break;
+       }
+}
+
 static void print_regdomain(const struct ieee80211_regdomain *rd)
 {
 
@@ -1973,6 +2009,7 @@ static void print_regdomain(const struct ieee80211_regdomain *rd)
                        pr_info("Regulatory domain changed to country: %c%c\n",
                                rd->alpha2[0], rd->alpha2[1]);
        }
+       print_dfs_region(rd->dfs_region);
        print_rd_rules(rd);
 }