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From: Johannes Berg <johannes@sipsolutions.net>
To: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Cc: linux-wireless@vger.kernel.org
Subject: Re: [PATCH 1/2] mac80211: don't send deferred frames outside the SP
Date: Tue, 05 Apr 2016 11:17:52 +0200	[thread overview]
Message-ID: <1459847872.18188.23.camel@sipsolutions.net> (raw)
In-Reply-To: <1458226302-6086-1-git-send-email-emmanuel.grumbach@intel.com>

On Thu, 2016-03-17 at 16:51 +0200, Emmanuel Grumbach wrote:
> Frames that are sent between
> ampdu_action(IEEE80211_AMPDU_TX_START) and the move to the
> HT_AGG_STATE_OPERATIONAL state are buffered.
> If we try to start an A-MPDU session while the peer is
> sleeping and polling frames with U-APSD, we may have frames
> that will be buffered by ieee80211_tx_prep_agg. These frames
> have IEEE80211_TX_CTL_NO_PS_BUFFER set since they are sent to
> a sleeping client and possibly IEEE80211_TX_STATUS_EOSP.
> If the frame is buffered, we need clear these two flags
> since they will be re-sent after the move to
> HT_AGG_STATE_OPERATIONAL state which is very likely to
> happen after the SP ends.
> 
Applied.

johannes

      parent reply	other threads:[~2016-04-05  9:17 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-17 14:51 [PATCH 1/2] mac80211: don't send deferred frames outside the SP Emmanuel Grumbach
2016-03-17 14:51 ` [PATCH 2/2] mac80211: close the SP when we enqueue frames during " Emmanuel Grumbach
2016-04-05  9:34   ` [PATCH v2] " Emmanuel Grumbach
2016-04-05  9:34   ` [PATCH 2/2] " Johannes Berg
2016-04-05  9:17 ` Johannes Berg [this message]

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