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>

1 files changed, 8 insertions, 0 deletions

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 9a264379d7b1..6faa7006681a 100644
--- 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;