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iwlwifi: mvm: prevent multiple stations with the same address 

As the device (and parts of the driver) cannot deal with having the
same MAC address for two stations (on two virtual interfaces), add
some explicit code to prevent this case.

Note that in practice this cannot happen since the device doesn't
support operating with two AP/GO interfaces at the same time either,
and other scenarios for this are, while not impossible, not going to
happen in practice.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Johannes Berg 2015-09-24 18:14:55 +02:00 committed by Emmanuel Grumbach
parent b6c7d7209d
commit 30433d3b98
1 changed files with 1 additions and 0 deletions
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1
drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
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@ -439,6 +439,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
ieee80211_hw_set(hw, SUPPORT_FAST_XMIT);
ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS);
ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU);
ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR);
if (mvm->trans->max_skb_frags)
hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG;