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mac80211: use timeout from the AddBA response instead of the request

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2016 spec, section 10.24.2 specifies that the block ack
timeout in the ADD BA request is advisory.

That means we should check the value in the response and
act upon it (same as buffer size).

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Sara Sharon 2018-04-20 13:49:19 +03:00 committed by Johannes Berg
parent 407879b690
commit 914eac248d
2 changed files with 6 additions and 1 deletions
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4
net/mac80211/agg-tx.c
View file

@ -8,6 +8,7 @@
* Copyright 2007, Michael Wu <flamingice@sourmilk.net>
* Copyright 2007-2010, Intel Corporation
* Copyright(c) 2015-2017 Intel Deutschland GmbH
* Copyright (C) 2018 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@ -970,6 +971,9 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
sta->ampdu_mlme.addba_req_num[tid] = 0;
tid_tx->timeout =
le16_to_cpu(mgmt->u.action.u.addba_resp.timeout);
if (tid_tx->timeout) {
mod_timer(&tid_tx->session_timer,
TU_TO_EXP_TIME(tid_tx->timeout));

3
net/mac80211/tx.c
View file

@ -4,6 +4,7 @@
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright (C) 2018 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@ -1135,7 +1136,7 @@ static bool ieee80211_tx_prep_agg(struct ieee80211_tx_data *tx,
}
/* reset session timer */
if (reset_agg_timer && tid_tx->timeout)
if (reset_agg_timer)
tid_tx->last_tx = jiffies;
return queued;