Make driver flags available through control interface

[mech_eap.git] / wpa_supplicant / ctrl_iface.c

diff --git a/wpa_supplicant/ctrl_iface.c b/wpa_supplicant/ctrl_iface.c
index b75587e..4aa0f24 100644 (file)
--- a/wpa_supplicant/ctrl_iface.c
+++ b/wpa_supplicant/ctrl_iface.c
@@ -6998,6 +6998,34 @@ static int wpas_ctrl_iface_get_pref_freq_list(
 }
 
 
+static int wpas_ctrl_iface_driver_flags(struct wpa_supplicant *wpa_s,
+                                       char *buf, size_t buflen)
+{
+       int ret, i;
+       char *pos, *end;
+
+       ret = os_snprintf(buf, buflen, "%016llX:\n",
+                         (long long unsigned) wpa_s->drv_flags);
+       if (os_snprintf_error(buflen, ret))
+               return -1;
+
+       pos = buf + ret;
+       end = buf + buflen;
+
+       for (i = 0; i < 64; i++) {
+               if (wpa_s->drv_flags & (1LLU << i)) {
+                       ret = os_snprintf(pos, end - pos, "%s\n",
+                                         driver_flag_to_string(1LLU << i));
+                       if (os_snprintf_error(end - pos, ret))
+                               return -1;
+                       pos += ret;
+               }
+       }
+
+       return pos - buf;
+}
+
+
 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
                                      size_t buflen)
 {
@@ -9271,6 +9299,9 @@ char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
                if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
                        reply_len = -1;
 #endif /* CONFIG_AUTOSCAN */
+       } else if (os_strcmp(buf, "DRIVER_FLAGS") == 0) {
+               reply_len = wpas_ctrl_iface_driver_flags(wpa_s, reply,
+                                                        reply_size);
 #ifdef ANDROID
        } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
                reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,