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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>
This commit is contained in:
Johannes Berg 2015-05-06 14:56:51 +02:00 committed by Emmanuel Grumbach
parent 8ce7db4864
commit 3db93420f7
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/iwlwifi/mvm/mac80211.c
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@ -452,7 +452,8 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
hw->flags |= IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS; hw->flags |= IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS;
hw->wiphy->features |= hw->wiphy->features |=
NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 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->sta_data_size = sizeof(struct iwl_mvm_sta);
hw->vif_data_size = sizeof(struct iwl_mvm_vif); hw->vif_data_size = sizeof(struct iwl_mvm_vif);