iwlwifi: set TX_CMD_FLG_STA_RATE_MSK for BAR frame

It is needed by firmware to use the correct rate for BAR frame transmission

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
index cdf9efd..2fab2e3 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
@@ -161,7 +161,8 @@ static void iwlagn_tx_cmd_build_rate(struct iwl_priv *priv,
                }
 #endif
                return;
-       }
+       } else if (ieee80211_is_back_req(fc))
+               tx_cmd->tx_flags |= TX_CMD_FLG_STA_RATE_MSK;
 
        /**
         * If the current TX rate stored in mac80211 has the MCS bit set, it's