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mac80211: add support for Rx reordering offloading

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Some drivers may be performing most of Tx/Rx
aggregation on their own (e.g. in firmware)
including AddBa/DelBa negotiations but may
otherwise require Rx reordering assistance.

The patch exports 2 new functions for establishing
Rx aggregation sessions in assumption device
driver has taken care of the necessary
negotiations.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
[fix endian bug]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Michal Kazior
2014-07-16 12:12:15 +02:00
committed by Johannes Berg
parent 83eb935ec7
commit 08cf42e843
4 changed files with 152 additions and 23 deletions
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34
include/net/mac80211.h
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@@ -4552,6 +4552,40 @@ void ieee80211_stop_rx_ba_session(struct ieee80211_vif *vif, u16 ba_rx_bitmap,
*/
void ieee80211_send_bar(struct ieee80211_vif *vif, u8 *ra, u16 tid, u16 ssn);
/**
* ieee80211_start_rx_ba_session_offl - start a Rx BA session
*
* Some device drivers may offload part of the Rx aggregation flow including
* AddBa/DelBa negotiation but may otherwise be incapable of full Rx
* reordering.
*
* Create structures responsible for reordering so device drivers may call here
* when they complete AddBa negotiation.
*
* @vif: &struct ieee80211_vif pointer from the add_interface callback
* @addr: station mac address
* @tid: the rx tid
*/
void ieee80211_start_rx_ba_session_offl(struct ieee80211_vif *vif,
const u8 *addr, u16 tid);
/**
* ieee80211_stop_rx_ba_session_offl - stop a Rx BA session
*
* Some device drivers may offload part of the Rx aggregation flow including
* AddBa/DelBa negotiation but may otherwise be incapable of full Rx
* reordering.
*
* Destroy structures responsible for reordering so device drivers may call here
* when they complete DelBa negotiation.
*
* @vif: &struct ieee80211_vif pointer from the add_interface callback
* @addr: station mac address
* @tid: the rx tid
*/
void ieee80211_stop_rx_ba_session_offl(struct ieee80211_vif *vif,
const u8 *addr, u16 tid);
/* Rate control API */
/**