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mac80211: agg-tx: refactor sending addba 

We move the actual arming the timer and sending ADDBA to a function
for the use in different places calling the same logic.

Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20200326150855.58a337eb90a1.I75934e6464535fbf43969acc796bc886291e79a5@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Mordechay Goodstein 2020-03-26 15:09:37 +02:00 коммит произвёл Johannes Berg
Родитель 4826e72110
Коммит 31d8bb4e07
1 изменённых файлов: 39 добавлений и 28 удалений
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67
net/mac80211/agg-tx.c
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@ -9,7 +9,7 @@
* Copyright 2007, Michael Wu <flamingice@sourmilk.net>
* Copyright 2007-2010, Intel Corporation
* Copyright(c) 2015-2017 Intel Deutschland GmbH
* Copyright (C) 2018 - 2019 Intel Corporation
* Copyright (C) 2018 - 2020 Intel Corporation
*/
#include <linux/ieee80211.h>
@ -448,6 +448,43 @@ static void sta_addba_resp_timer_expired(struct timer_list *t)
ieee80211_stop_tx_ba_session(&sta->sta, tid);
}
static void ieee80211_send_addba_with_timeout(struct sta_info *sta,
struct tid_ampdu_tx *tid_tx)
{
struct ieee80211_sub_if_data *sdata = sta->sdata;
struct ieee80211_local *local = sta->local;
u8 tid = tid_tx->tid;
u16 buf_size;
/* activate the timer for the recipient's addBA response */
mod_timer(&tid_tx->addba_resp_timer, jiffies + ADDBA_RESP_INTERVAL);
ht_dbg(sdata, "activated addBA response timer on %pM tid %d\n",
sta->sta.addr, tid);
spin_lock_bh(&sta->lock);
sta->ampdu_mlme.last_addba_req_time[tid] = jiffies;
sta->ampdu_mlme.addba_req_num[tid]++;
spin_unlock_bh(&sta->lock);
if (sta->sta.he_cap.has_he) {
buf_size = local->hw.max_tx_aggregation_subframes;
} else {
/*
* We really should use what the driver told us it will
* transmit as the maximum, but certain APs (e.g. the
* LinkSys WRT120N with FW v1.0.07 build 002 Jun 18 2012)
* will crash when we use a lower number.
*/
buf_size = IEEE80211_MAX_AMPDU_BUF_HT;
}
/* send AddBA request */
ieee80211_send_addba_request(sdata, sta->sta.addr, tid,
tid_tx->dialog_token,
sta->tid_seq[tid] >> 4,
buf_size, tid_tx->timeout);
}
void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
{
struct tid_ampdu_tx *tid_tx;
@ -462,7 +499,6 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
.timeout = 0,
};
int ret;
u16 buf_size;
tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
@ -508,32 +544,7 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
return;
}
/* activate the timer for the recipient's addBA response */
mod_timer(&tid_tx->addba_resp_timer, jiffies + ADDBA_RESP_INTERVAL);
ht_dbg(sdata, "activated addBA response timer on %pM tid %d\n",
sta->sta.addr, tid);
spin_lock_bh(&sta->lock);
sta->ampdu_mlme.last_addba_req_time[tid] = jiffies;
sta->ampdu_mlme.addba_req_num[tid]++;
spin_unlock_bh(&sta->lock);
if (sta->sta.he_cap.has_he) {
buf_size = local->hw.max_tx_aggregation_subframes;
} else {
/*
* We really should use what the driver told us it will
* transmit as the maximum, but certain APs (e.g. the
* LinkSys WRT120N with FW v1.0.07 build 002 Jun 18 2012)
* will crash when we use a lower number.
*/
buf_size = IEEE80211_MAX_AMPDU_BUF_HT;
}
/* send AddBA request */
ieee80211_send_addba_request(sdata, sta->sta.addr, tid,
tid_tx->dialog_token, params.ssn,
buf_size, tid_tx->timeout);
ieee80211_send_addba_with_timeout(sta, tid_tx);
}
/*