Changeset 18915 for src/router/libutils/mac80211info.c

Timestamp:

04/04/12 15:39:59 (14 months ago)

Author:

BrainSlayer

Message:

disallow ht40 selection if country or regulatory setting does not support these modes

File:

• src/router/libutils/mac80211info.c (modified) (1 diff)

src/router/libutils/mac80211info.c

@@ -649 +649 @@
 }
 
+
+int has_ht40(char *interface) {
+                struct wifi_channels *chan;
+                int found=0;
+                int i=0;
+                char regdomain[32];
+                char *country;
+
+                sprintf(regdomain, "%s_regdomain", interface);
+                country = nvram_default_get(regdomain, "UNITED_STATES");
+
+                chan = mac80211_get_channels(interface, getIsoName(country), 40, 0xff);
+                if (chan != NULL)
+                        while (chan[i].freq != -1) {
+                                if (chan[i].ht40plus || chan[i].ht40minus) {
+                                        free(chan);
+                                        return 1;
+                                }
+                        i++;
+                        }
+                if (chan != NULL)
+                        free(chan);
+                return 0;
+}
+
+
 int mac80211_check_valid_frequency(char *interface, char *country, int freq) {
                 struct wifi_channels *chan;