Re: Bisected: ath9k: fix powersave frame filtering/buffering in AP mode broke STA association.

[Ben Greear <greearb@candelatech.com>]

On 05/05/2011 02:15 PM, Ben Greear wrote:
> On 05/05/2011 02:03 PM, Felix Fietkau wrote:
>> On 2011-05-05 10:44 PM, Ben Greear wrote:
>>> I bisected the problem I was having with ath9k STA configured for WPA
>>> not being able to authenticate. I'm using nohwcrypt=1, which may
>>> be why no one else sees it.
>
>>> I'll be happy to test patches, it seems very easy to reproduce on
>>> my setup.
>> How about this?
>>
>> --- a/net/mac80211/tx.c
>> +++ b/net/mac80211/tx.c
>> @@ -1270,6 +1270,9 @@ ieee80211_tx_prepare(struct ieee80211_su
>> info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
>> else if (test_and_clear_sta_flags(tx->sta, WLAN_STA_CLEAR_PS_FILT))
>> info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
>> + else if (sdata->vif.type != NL80211_IFTYPE_AP&&
>> + sdata->vif.type != NL80211_IFTYPE_AP_VLAN)
>> + info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
>>
>> hdrlen = ieee80211_hdrlen(hdr->frame_control);
>> if (skb->len> hdrlen + sizeof(rfc1042_header) + 2) {
>
> Yes, that seems to fix the problem.
>
> Thanks for the quick fix!

Well, that appeared to fix the problem on -rc1, but when I go
back to -rc6 and apply that patch, it still doesn't work.

Might be some other issue though...

Are you able to get STA to associate & athenticate on latest wireless-testing?

Thanks,
Ben

>
> Ben
>


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