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| author | Johannes Berg <johannes.berg@intel.com> | 2010-06-10 10:21:39 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-06-14 15:39:27 -0400 |
| commit | a622ab72b4dcfdf53e24b16e9530cb876979a00c (patch) | |
| tree | 170d2ccf3a594f3675b5fa58378319031054e806 /net/mac80211/rc80211_minstrel_ht.c | |
| parent | a87f736d942c86255e3088c606f0e3eab6bbf784 (diff) | |
| download | blackbird-op-linux-a622ab72b4dcfdf53e24b16e9530cb876979a00c.tar.gz blackbird-op-linux-a622ab72b4dcfdf53e24b16e9530cb876979a00c.zip | |
mac80211: use RCU for TX aggregation
Currently we allocate some memory for each TX
aggregation session and additionally keep a
state bitmap indicating the state it is in.
By using RCU to protect the pointer, moving
the state into the structure and some locking
trickery we can avoid locking when the TX agg
session is fully operational.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/rc80211_minstrel_ht.c')
| -rw-r--r-- | net/mac80211/rc80211_minstrel_ht.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c index c23f08251da4..7a04951fcb1f 100644 --- a/net/mac80211/rc80211_minstrel_ht.c +++ b/net/mac80211/rc80211_minstrel_ht.c @@ -365,7 +365,7 @@ minstrel_aggr_check(struct minstrel_priv *mp, struct ieee80211_sta *pubsta, stru return; tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK; - if (likely(sta->ampdu_mlme.tid_state_tx[tid] != HT_AGG_STATE_IDLE)) + if (likely(sta->ampdu_mlme.tid_tx[tid])) return; ieee80211_start_tx_ba_session(pubsta, tid); |
