[package] iwinfo: expose txpower and frequency offset information
[openwrt.git] / package / iwinfo / src / iwinfo_nl80211.c
index d372682..4b8b37d 100644 (file)
@@ -1634,20 +1634,47 @@ int nl80211_get_hardware_id(const char *ifname, char *buf)
        return wext_get_hardware_id(ifname, buf);
 }
 
-int nl80211_get_hardware_name(const char *ifname, char *buf)
+static const struct iwinfo_hardware_entry *
+nl80211_get_hardware_entry(const char *ifname)
 {
        struct iwinfo_hardware_id id;
-       struct iwinfo_hardware_entry *hw;
 
        if (nl80211_get_hardware_id(ifname, (char *)&id))
-               return -1;
+               return NULL;
 
-       hw = iwinfo_hardware(&id);
+       return iwinfo_hardware(&id);
+}
 
-       if (hw)
-               sprintf(buf, "%s %s", hw->vendor_name, hw->device_name);
-       else
+int nl80211_get_hardware_name(const char *ifname, char *buf)
+{
+       const struct iwinfo_hardware_entry *hw;
+
+       if (!(hw = nl80211_get_hardware_entry(ifname)))
                sprintf(buf, "Generic MAC80211");
+       else
+               sprintf(buf, "%s %s", hw->vendor_name, hw->device_name);
+
+       return 0;
+}
+
+int nl80211_get_txpower_offset(const char *ifname, int *buf)
+{
+       const struct iwinfo_hardware_entry *hw;
+
+       if (!(hw = nl80211_get_hardware_entry(ifname)))
+               return -1;
+
+       *buf = hw->txpower_offset;
+       return 0;
+}
+
+int nl80211_get_frequency_offset(const char *ifname, int *buf)
+{
+       const struct iwinfo_hardware_entry *hw;
+
+       if (!(hw = nl80211_get_hardware_entry(ifname)))
+               return -1;
 
+       *buf = hw->frequency_offset;
        return 0;
 }