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

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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@xxxxxxxxxxxxxxx>
Candela Technologies Inc  http://www.candelatech.com

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