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mac80211: implement uAPSD

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Add uAPSD support to mac80211. This is probably not
possible with all devices, so advertising it with
the cfg80211 flag will be left up to drivers that
want it.

Due to my previous patches it is now a fairly
straight-forward extension. Drivers need to have
accurate TX status reporting for the EOSP frame.
For drivers that buffer themselves, the provided
APIs allow releasing the right number of frames,
but then drivers need to set EOSP and more-data
themselves. This is documented in more detail in
the new code itself.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg
2011-09-29 16:04:33 +02:00
committed by John W. Linville
parent 4049e09acd
commit 47086fc51a
9 changed files with 245 additions and 90 deletions
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2
drivers/net/wireless/p54/txrx.c
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@@ -689,7 +689,7 @@ static void p54_tx_80211_header(struct p54_common *priv, struct sk_buff *skb,
if (!(info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ))
*flags |= P54_HDR_FLAG_DATA_OUT_SEQNR;
if (info->flags & IEEE80211_TX_CTL_PSPOLL_RESPONSE)
if (info->flags & IEEE80211_TX_CTL_POLL_RESPONSE)
*flags |= P54_HDR_FLAG_DATA_OUT_NOCANCEL;
if (info->flags & IEEE80211_TX_CTL_CLEAR_PS_FILT)