iwlwifi: add option to test MFP

Add a Kconfig symbol to enable MFP for testing even
if the firmware file doesn't advertise it.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 12 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/Kconfig b/drivers/net/wireless/iwlwifi/Kconfig
index 5afd06ef0d8b..2fe62730dddd 100644
--- a/drivers/net/wireless/iwlwifi/Kconfig
+++ b/drivers/net/wireless/iwlwifi/Kconfig
@@ -127,3 +127,12 @@ config IWLWIFI_P2P
          support when it is loaded.
 
          Say Y only if you want to experiment with P2P.
+
+config IWLWIFI_EXPERIMENTAL_MFP
+        bool "support MFP (802.11w) even if uCode doesn't advertise"
+        depends on IWLWIFI
+        help
+          This option enables experimental MFP (802.11W) support
+          even if the microcode doesn't advertise it.
+
+          Say Y only if you want to experiment with MFP.
diff --git a/drivers/net/wireless/iwlwifi/iwl-mac80211.c b/drivers/net/wireless/iwlwifi/iwl-mac80211.c
index 91a42c3261aa..dcf39f84f239 100644
--- a/drivers/net/wireless/iwlwifi/iwl-mac80211.c
+++ b/drivers/net/wireless/iwlwifi/iwl-mac80211.c
@@ -163,7 +163,10 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv,
                 hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
                              IEEE80211_HW_SUPPORTS_STATIC_SMPS;
 
+#ifndef CONFIG_IWLWIFI_EXPERIMENTAL_MFP
+        /* enable 11w if the uCode advertise */
         if (capa->flags & IWL_UCODE_TLV_FLAGS_MFP)
+#endif /* !CONFIG_IWLWIFI_EXPERIMENTAL_MFP */
                 hw->flags |= IEEE80211_HW_MFP_CAPABLE;
 
         hw->sta_data_size = sizeof(struct iwl_station_priv);