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

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On 2011-05-05 11:43 PM, Ben Greear wrote:
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...
Odd. Please try bisecting by applying the patch for each test and reverting it before running git bisect again.

Are you able to get STA to associate&  athenticate on latest wireless-testing?
I'll try it by making a new wireless-testing based compat-wireless.

- Felix
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