On Mon, 2014-10-20 at 15:09 +0530, Sujith Manoharan wrote:
> Johannes Berg wrote:
> > If it's a mac80211 race, wouldn't it make sense to fix it in mac80211?
>
> Yes, definitely. :-)
>
> But, we also ran into issues where starting a BA session
> when HW scan was in progress (with MCC enabled) caus
Johannes Berg wrote:
> If it's a mac80211 race, wouldn't it make sense to fix it in mac80211?
Yes, definitely. :-)
But, we also ran into issues where starting a BA session
when HW scan was in progress (with MCC enabled) caused connectivity
problems, hence this fix in ath9k.
Regarding the BA race
On Fri, 2014-10-17 at 07:40 +0530, Sujith Manoharan wrote:
> From: Sujith Manoharan
>
> mac80211 currently has a race which can be hit
> with this sequence:
If it's a mac80211 race, wouldn't it make sense to fix it in mac80211?
johannes
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From: Sujith Manoharan
mac80211 currently has a race which can be hit
with this sequence:
* Start a scan operation.
* TX BA is initiated by ieee80211_start_tx_ba_session().
* Driver sets up internal state and calls
ieee80211_start_tx_ba_cb_irqsafe().
* mac80211 adds a packet to sdata->skb_queu
