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authorJohannes Berg <johannes.berg@intel.com>2010-06-10 10:21:50 +0200
committerJohn W. Linville <linville@tuxdriver.com>2010-06-14 15:39:28 -0400
commit73a72a81d27b71f9ace31668d2dd7f3ac1c8228e (patch)
tree114b1a333c53a328d1a55551ea591fe8f3b5d2d7 /net/mac80211/agg-rx.c
parent85ad181ea78861f69b007599cec9e6ba33fcdf8a (diff)
mac80211: update aggregation documentation
Even before the recent changes, the documentation for TX aggregation was somewhat out of date. Update it and also add documentation for the RX side. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/agg-rx.c')
-rw-r--r--net/mac80211/agg-rx.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index a843df26f38..965b272499f 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -13,6 +13,29 @@
* published by the Free Software Foundation.
*/
+/**
+ * DOC: RX A-MPDU aggregation
+ *
+ * Aggregation on the RX side requires only implementing the
+ * @ampdu_action callback that is invoked to start/stop any
+ * block-ack sessions for RX aggregation.
+ *
+ * When RX aggregation is started by the peer, the driver is
+ * notified via @ampdu_action function, with the
+ * %IEEE80211_AMPDU_RX_START action, and may reject the request
+ * in which case a negative response is sent to the peer, if it
+ * accepts it a positive response is sent.
+ *
+ * While the session is active, the device/driver are required
+ * to de-aggregate frames and pass them up one by one to mac80211,
+ * which will handle the reorder buffer.
+ *
+ * When the aggregation session is stopped again by the peer or
+ * ourselves, the driver's @ampdu_action function will be called
+ * with the action %IEEE80211_AMPDU_RX_STOP. In this case, the
+ * call must not fail.
+ */
+
#include <linux/ieee80211.h>
#include <linux/slab.h>
#include <net/mac80211.h>