mac80211: Send the management frame at requested rate

Whenever the scan request or tx_mgmt is requesting not to
use CCK rate for managemet frames through
NL80211_ATTR_TX_NO_CCK_RATE attribute, then mac80211 should
select appropriate least non-CCK rate. This could help to
send P2P probes and P2P action frames at non 11b rates
without diabling 11b rates globally.

Cc: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 4b1466d5b6a..ead345db712 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -899,14 +899,18 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
 void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
                               const u8 *ssid, size_t ssid_len,
                               const u8 *ie, size_t ie_len,
-                              u32 ratemask, bool directed)
+                              u32 ratemask, bool directed, bool no_cck)
 {
         struct sk_buff *skb;
 
         skb = ieee80211_build_probe_req(sdata, dst, ratemask, ssid, ssid_len,
                                         ie, ie_len, directed);
-        if (skb)
+        if (skb) {
+                if (no_cck)
+                        IEEE80211_SKB_CB(skb)->flags |=
+                                IEEE80211_TX_CTL_NO_CCK_RATE;
                 ieee80211_tx_skb(sdata, skb);
+        }
 }
 
 u32 ieee80211_sta_get_rates(struct ieee80211_local *local,