iwlwifi: mvm: advertise randomised netdetect MAC address

According to the nl80211 documentation, we can neither advertise
scheduled scan nor netdetect address randomisation. However, all
the products that currently require this don't have a need for
the full randomisation.

Therefore, advertise the feature anyway which results in host-
based randomisation, done whenever the system suspends. This is
sufficient for the platforms currently requiring this feature.

If we ever extend this in the future to do full randomisation in
the firmware, then certainly this will still be sufficient for
the current requirements, so it doesn't make a lot of sense to
split the feature bits.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index 677143c79fa61b421f8d3a848d9a5a06bc6ef408..d13138e516867d0cf640c98c1e92033b1d9482eb 100644 (file)
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -452,7 +452,8 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
        hw->flags |= IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS;
        hw->wiphy->features |=
                NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
-               NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
+               NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR |
+               NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
 
        hw->sta_data_size = sizeof(struct iwl_mvm_sta);
        hw->vif_data_size = sizeof(struct iwl_mvm_vif);