From: Johannes Berg <johannes@sipsolutions.net>
To: linux-wireless@vger.kernel.org
Cc: David Miller <davem@davemloft.net>,
Ron Rindjunsky <ron.rindjunsky@intel.com>
Subject: [RFC 1/3] mac80211: sane arguments to ieee80211_ht_agg_queue_remove
Date: Sat, 19 Jul 2008 02:41:48 +0200 [thread overview]
Message-ID: <20080719004517.436644000@sipsolutions.net> (raw)
In-Reply-To: 20080719004147.795661000@sipsolutions.net
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
---
net/mac80211/main.c | 8 +++++---
net/mac80211/wme.c | 7 +------
net/mac80211/wme.h | 3 +--
3 files changed, 7 insertions(+), 11 deletions(-)
--- everything.orig/net/mac80211/main.c 2008-07-18 23:52:25.000000000 +0200
+++ everything/net/mac80211/main.c 2008-07-19 00:14:30.000000000 +0200
@@ -644,7 +644,8 @@ int ieee80211_start_tx_ba_session(struct
/* No need to requeue the packets in the agg queue, since we
* held the tx lock: no packet could be enqueued to the newly
* allocated queue */
- ieee80211_ht_agg_queue_remove(local, sta, tid, 0);
+ ieee80211_ht_agg_queue_remove(local, sta->tid_to_tx_q[tid], false);
+ sta->tid_to_tx_q[tid] = ieee80211_num_queues(hw);
#ifdef CONFIG_MAC80211_HT_DEBUG
printk(KERN_DEBUG "BA request denied - HW unavailable for"
" tid %d\n", tid);
@@ -740,7 +741,7 @@ int ieee80211_stop_tx_ba_session(struct
goto stop_BA_exit;
}
-stop_BA_exit:
+ stop_BA_exit:
spin_unlock_bh(&sta->lock);
rcu_read_unlock();
return ret;
@@ -852,7 +853,8 @@ void ieee80211_stop_tx_ba_cb(struct ieee
agg_queue = sta->tid_to_tx_q[tid];
- ieee80211_ht_agg_queue_remove(local, sta, tid, 1);
+ ieee80211_ht_agg_queue_remove(local, agg_queue, true);
+ sta->tid_to_tx_q[tid] = ieee80211_num_queues(hw);
/* We just requeued the all the frames that were in the
* removed queue, and since we might miss a softirq we do
--- everything.orig/net/mac80211/wme.c 2008-07-19 00:07:24.000000000 +0200
+++ everything/net/mac80211/wme.c 2008-07-19 00:14:57.000000000 +0200
@@ -223,15 +223,10 @@ int ieee80211_ht_agg_queue_add(struct ie
* the caller needs to hold netdev_get_tx_queue(local->mdev, X)->lock
*/
void ieee80211_ht_agg_queue_remove(struct ieee80211_local *local,
- struct sta_info *sta, u16 tid,
- u8 requeue)
+ u16 agg_queue, bool requeue)
{
- int agg_queue = sta->tid_to_tx_q[tid];
- struct ieee80211_hw *hw = &local->hw;
-
/* return the qdisc to the pool */
clear_bit(agg_queue, local->queue_pool);
- sta->tid_to_tx_q[tid] = ieee80211_num_queues(hw);
if (requeue) {
ieee80211_requeue(local, agg_queue);
--- everything.orig/net/mac80211/wme.h 2008-07-19 00:08:04.000000000 +0200
+++ everything/net/mac80211/wme.h 2008-07-19 00:08:28.000000000 +0200
@@ -27,8 +27,7 @@ u16 ieee80211_select_queue(struct net_de
int ieee80211_ht_agg_queue_add(struct ieee80211_local *local,
struct sta_info *sta, u16 tid);
void ieee80211_ht_agg_queue_remove(struct ieee80211_local *local,
- struct sta_info *sta, u16 tid,
- u8 requeue);
+ u16 agg_queue, bool requeue);
void ieee80211_requeue(struct ieee80211_local *local, int queue);
#endif /* _WME_H */
--
next prev parent reply other threads:[~2008-07-19 0:45 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-19 0:41 [RFC 0/3] mac80211 tx mq aggregation fixes Johannes Berg
2008-07-19 0:41 ` Johannes Berg [this message]
2008-07-19 0:41 ` [RFC 2/3] mac80211: fix race during adding HT queues Johannes Berg
2008-07-19 0:41 ` [RFC 3/3] mac80211: fix requeue race Johannes Berg
2008-07-19 0:52 ` Johannes Berg
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