mac80211: sends HT IE to user level through wext

This patch adds HT IE in the scan list that is returned to user level
through wext. This is useful to let wpa_supplicant if a bss supports 11n or
not: WEP and TKIP are not supported in 11n.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 9a26437..6faa700 100644 (file)
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -4128,6 +4128,14 @@ ieee80211_sta_scan_result(struct net_device *dev,
                                                  bss->rsn_ie);
        }
 
+       if (bss && bss->ht_ie) {
+               memset(&iwe, 0, sizeof(iwe));
+               iwe.cmd = IWEVGENIE;
+               iwe.u.data.length = bss->ht_ie_len;
+               current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
+                                                 bss->ht_ie);
+       }
+
        if (bss && bss->supp_rates_len > 0) {
                /* display all supported rates in readable format */
                char *p = current_ev + IW_EV_LCP_LEN;