TDLS: Add get_capability tdls command

Command returns info in format: UNSUPPORTED/INTERNAL/EXTERNAL

Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>

diff --git a/wpa_supplicant/ctrl_iface.c b/wpa_supplicant/ctrl_iface.c
index 98c4b65..65b2f7d 100644 (file)
--- a/wpa_supplicant/ctrl_iface.c
+++ b/wpa_supplicant/ctrl_iface.c
@@ -538,6 +538,22 @@ static int wpa_supplicant_ctrl_iface_tdls_teardown(
        return ret;
 }
 
+
+static int ctrl_iface_get_capability_tdls(
+       struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
+{
+       int ret;
+
+       ret = os_snprintf(buf, buflen, "%s\n",
+                         wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT ?
+                         (wpa_s->drv_flags &
+                          WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP ?
+                          "EXTERNAL" : "INTERNAL") : "UNSUPPORTED");
+       if (ret < 0 || (size_t) ret > buflen)
+               return -1;
+       return ret;
+}
+
 #endif /* CONFIG_TDLS */
 
 
@@ -3180,6 +3196,11 @@ static int wpa_supplicant_ctrl_iface_get_capability(
        if (os_strcmp(field, "freq") == 0)
                return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
 
+#ifdef CONFIG_TDLS
+       if (os_strcmp(field, "tdls") == 0)
+               return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
+#endif /* CONFIG_TDLS */
+
        wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
                   field);