4.16-stable review patch. If anyone has any objections, please let me know.
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From: Sara Sharon sara.sharon@intel.com
[ Upstream commit 914eac248d876f9c00cd1792ffec3d182c863f13 ]
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 Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/mac80211/agg-tx.c | 4 ++++ net/mac80211/tx.c | 3 ++- 2 files changed, 6 insertions(+), 1 deletion(-)
--- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -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
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)); --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -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 @@ -1138,7 +1139,7 @@ static bool ieee80211_tx_prep_agg(struct }
/* reset session timer */ - if (reset_agg_timer && tid_tx->timeout) + if (reset_agg_timer) tid_tx->last_tx = jiffies;
return queued;