[PATCH] ath10k: request firmware flush in ath10k_flush.

Ben Greear greearb at candelatech.com
Tue Sep 23 07:19:54 PDT 2014

On 09/23/2014 02:16 AM, Michal Kazior wrote:
> On 19 September 2014 20:28,  <greearb at candelatech.com> wrote:
> [...]
>> +       /* If we are CT firmware, ask it to flush all tids on all peers on
>> +        * all vdevs.  Normal firmware will just crash if you do this.
>> +        */
>> +       if (test_bit(ATH10K_FW_FEATURE_WMI_10X_CT, ar->fw_features))
>> +               ath10k_wmi_peer_flush(ar, 0xFFFFFFFF, peer_addr, 0xFFFFFFFF);
> I recall you've explained this some time ago, but can you refresh my
> memory, please? Is this any different from iterating over all peers
> and flushing each? Or does your firmware do so extra magic that is
> impossible to do with normal firmware commands?

My firmware does that iteration internally.

You could probably do that in the driver, but it would be a lot
of messages (for all vdevs, all peers, all tids)...
I was not sure if there were limits to the number
of commands you should attempt during the flush...


Ben Greear <greearb at candelatech.com>
Candela Technologies Inc  http://www.candelatech.com

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