> On Sun, 2013-11-24 at 17:56 +0100, Lorenzo Bianconi wrote:
>> ieee80211_get_vif_by_addr allows low level drivers to get a reference to
>> vif data structure which is not added to the driver as monitor interface.
>> ieee80211_get_vif_by_addr will be used in ath9k tx99 code
>
> Is that really better than having the driver use the iteration
> functions?
first two patches are not really necessary since I was using an old
version of iw which does not allow to set monitor interface in active
mode
>
>> + */
>> +struct ieee80211_vif *ieee80211_get_vif_by_addr(struct ieee80211_hw *hw,
>> + const u8 *mac)
>> +{
>> + struct ieee80211_vif *vif = NULL;
>> + struct ieee80211_local *local = hw_to_local(hw);
>> + struct ieee80211_sub_if_data *sdata;
>> +
>> + rcu_read_lock();
>> + list_for_each_entry_rcu(sdata, &local->interfaces, list) {
>> + if (!compare_ether_addr(sdata->vif.addr, mac)) {
>> + vif = &sdata->vif;
>> + break;
>> + }
>> + }
>> + rcu_read_unlock();
>> +
>> + return vif;
>
> In any case, this is completely broken wrt. locking, so I'm not taking
> it.
>
sorry, I was wrong
> johannes
>
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