[PATCH V3 2/2] ath10k: Fix interrupt storm
Vasanthakumar Thiagarajan
vthiagar at qti.qualcomm.com
Mon Mar 2 03:02:43 PST 2015
>
>
>>>> @@ -3476,6 +3504,13 @@ static void ath10k_configure_filter(struct
>>>> ieee80211_hw *hw,
>>>>
>>>> changed_flags &= SUPPORTED_FILTERS;
>>>> *total_flags &= SUPPORTED_FILTERS;
>>>> + if (*total_flags & FIF_PROMISC_IN_BSS) {
>>>> + if (ar->num_started_vdevs) {
>>>> + ath10k_dbg(ar, ATH10K_DBG_MAC,
>>>> + "mac does not enable promiscuous mode
>>>> when already a vdev is running\n");
>>>> + *total_flags &= ~FIF_PROMISC_IN_BSS;
>>>> + }
>>>> + }
>>>
>>>
>>> There's no need for that, is there? The monitor_recalc() is supposed
>>> to deal with this.
>>
>>
>> Right, but we may not want to create any inconsistencies between
>> *total_flags and actual
>> filters enabled in the driver?.
>
> See the "DOC: Frame filtering" in include/net/mac80211.h. ath10k
> either always delivers frames IN_BSS (AP operation) or can be forced
> to (via monitor vdev for STA/IBSS operation) so FIF_PROMISC_IN_BSS
> should never be cleared.
Your are right. We should not be clearing that flag as long as we support
that functionality in one or other way. Thanks.
Vasanth
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