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mac80211/iwlwifi: move virtual A-MDPU queue bookkeeping to iwlwifi

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This patch removes all the virtual A-MPDU-queue bookkeeping from
mac80211. Curiously, iwlwifi already does its own bookkeeping, so
it doesn't require much changes except where it needs to handle
starting and stopping the queues in mac80211.

To handle the queue stop/wake properly, we rewrite the software
queue number for aggregation frames and internally to iwlwifi keep
track of the queues that map into the same AC queue, and only talk
to mac80211 about the AC queue. The implementation requires calling
two new functions, iwl_stop_queue and iwl_wake_queue instead of the
mac80211 counterparts.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Cc: Reinette Chattre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg
2009-03-23 17:28:42 +01:00
committed by John W. Linville
parent cd8ffc800c
commit e4e72fb4de
17 changed files with 84 additions and 169 deletions
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7
net/mac80211/ieee80211_i.h
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@ -594,12 +594,7 @@ struct ieee80211_local {
const struct ieee80211_ops *ops;
/* AC queue corresponding to each AMPDU queue */
s8 ampdu_ac_queue[IEEE80211_MAX_AMPDU_QUEUES];
unsigned int amdpu_ac_stop_refcnt[IEEE80211_MAX_AMPDU_QUEUES];
unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES +
IEEE80211_MAX_AMPDU_QUEUES];
unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES];
/* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */
spinlock_t queue_stop_reason_lock;