How about this instead of your patches 2 and 3?
We're disassociating from the old AP since we associate with the new AP,
so there's not a whole lot of sense in explicitly tearing down
aggregation sessions either, right?
---
net/mac80211/agg-rx.c | 8 ++++----
net/mac80211/agg-tx.c | 14 +++++++++-----
net/mac80211/debugfs_sta.c | 3 ++-
net/mac80211/ht.c | 17 ++++++++++-------
net/mac80211/ieee80211_i.h | 12 +++++++-----
net/mac80211/iface.c | 3 ++-
net/mac80211/mlme.c | 18 +++++++++---------
net/mac80211/pm.c | 2 +-
net/mac80211/sta_info.c | 2 +-
net/mac80211/sta_info.h | 2 ++
net/mac80211/util.c | 2 +-
11 files changed, 48 insertions(+), 35 deletions(-)
--- wireless-testing.orig/net/mac80211/agg-tx.c 2010-10-04 15:18:07.000000000 +0200
+++ wireless-testing/net/mac80211/agg-tx.c 2010-10-04 15:23:38.000000000 +0200
@@ -145,7 +145,8 @@ static void kfree_tid_tx(struct rcu_head
}
int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
- enum ieee80211_back_parties initiator)
+ enum ieee80211_back_parties initiator,
+ bool tx)
{
struct ieee80211_local *local = sta->local;
struct tid_ampdu_tx *tid_tx = sta->ampdu_mlme.tid_tx[tid];
@@ -183,6 +184,7 @@ int ___ieee80211_stop_tx_ba_session(stru
clear_bit(HT_AGG_STATE_OPERATIONAL, &tid_tx->state);
tid_tx->stop_initiator = initiator;
+ tid_tx->tx_stop = tx;
ret = drv_ampdu_action(local, sta->sdata,
IEEE80211_AMPDU_TX_STOP,
@@ -575,13 +577,14 @@ void ieee80211_start_tx_ba_cb_irqsafe(st
EXPORT_SYMBOL(ieee80211_start_tx_ba_cb_irqsafe);
int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
- enum ieee80211_back_parties initiator)
+ enum ieee80211_back_parties initiator,
+ bool tx)
{
int ret;
mutex_lock(&sta->ampdu_mlme.mtx);
- ret = ___ieee80211_stop_tx_ba_session(sta, tid, initiator);
+ ret = ___ieee80211_stop_tx_ba_session(sta, tid, initiator, tx);
mutex_unlock(&sta->ampdu_mlme.mtx);
@@ -670,7 +673,7 @@ void ieee80211_stop_tx_ba_cb(struct ieee
goto unlock_sta;
}
- if (tid_tx->stop_initiator == WLAN_BACK_INITIATOR)
+ if (tid_tx->stop_initiator == WLAN_BACK_INITIATOR && tid_tx->tx_stop)
ieee80211_send_delba(sta->sdata, ra, tid,
WLAN_BACK_INITIATOR, WLAN_REASON_QSTA_NOT_USE);
@@ -770,7 +773,8 @@ void ieee80211_process_addba_resp(struct
sta->ampdu_mlme.addba_req_num[tid] = 0;
} else {
- ___ieee80211_stop_tx_ba_session(sta, tid, WLAN_BACK_INITIATOR);
+ ___ieee80211_stop_tx_ba_session(sta, tid, WLAN_BACK_INITIATOR,
+ true);
}
out:
--- wireless-testing.orig/net/mac80211/ht.c 2010-10-04 15:17:19.000000000 +0200
+++ wireless-testing/net/mac80211/ht.c 2010-10-04 15:19:04.000000000 +0200
@@ -101,16 +101,16 @@ void ieee80211_ht_cap_ie_to_sta_ht_cap(s
ht_cap->mcs.rx_mask[32/8] |= 1;
}
-void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta)
+void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, bool tx)
{
int i;
cancel_work_sync(&sta->ampdu_mlme.work);
for (i = 0; i < STA_TID_NUM; i++) {
- __ieee80211_stop_tx_ba_session(sta, i, WLAN_BACK_INITIATOR);
+ __ieee80211_stop_tx_ba_session(sta, i, WLAN_BACK_INITIATOR, tx);
__ieee80211_stop_rx_ba_session(sta, i, WLAN_BACK_RECIPIENT,
- WLAN_REASON_QSTA_LEAVE_QBSS);
+ WLAN_REASON_QSTA_LEAVE_QBSS, tx);
}
}
@@ -135,7 +135,7 @@ void ieee80211_ba_session_work(struct wo
if (test_and_clear_bit(tid, sta->ampdu_mlme.tid_rx_timer_expired))
___ieee80211_stop_rx_ba_session(
sta, tid, WLAN_BACK_RECIPIENT,
- WLAN_REASON_QSTA_TIMEOUT);
+ WLAN_REASON_QSTA_TIMEOUT, true);
tid_tx = sta->ampdu_mlme.tid_tx[tid];
if (!tid_tx)
@@ -146,7 +146,8 @@ void ieee80211_ba_session_work(struct wo
else if (test_and_clear_bit(HT_AGG_STATE_WANT_STOP,
&tid_tx->state))
___ieee80211_stop_tx_ba_session(sta, tid,
- WLAN_BACK_INITIATOR);
+ WLAN_BACK_INITIATOR,
+ true);
}
mutex_unlock(&sta->ampdu_mlme.mtx);
}
@@ -214,9 +215,11 @@ void ieee80211_process_delba(struct ieee
#endif /* CONFIG_MAC80211_HT_DEBUG */
if (initiator == WLAN_BACK_INITIATOR)
- __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_INITIATOR, 0);
+ __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_INITIATOR, 0,
+ true);
else
- __ieee80211_stop_tx_ba_session(sta, tid, WLAN_BACK_RECIPIENT);
+ __ieee80211_stop_tx_ba_session(sta, tid, WLAN_BACK_RECIPIENT,
+ true);
}
int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata,
--- wireless-testing.orig/net/mac80211/ieee80211_i.h 2010-10-04 15:17:19.000000000 +0200
+++ wireless-testing/net/mac80211/ieee80211_i.h 2010-10-04 15:22:24.000000000 +0200
@@ -1170,10 +1170,10 @@ int ieee80211_send_smps_action(struct ie
void ieee80211_request_smps_work(struct work_struct *work);
void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
- u16 initiator, u16 reason);
+ u16 initiator, u16 reason, bool stop);
void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
- u16 initiator, u16 reason);
-void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta);
+ u16 initiator, u16 reason, bool stop);
+void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, bool tx);
void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta,
struct ieee80211_mgmt *mgmt, size_t len);
@@ -1187,9 +1187,11 @@ void ieee80211_process_addba_request(str
size_t len);
int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
- enum ieee80211_back_parties initiator);
+ enum ieee80211_back_parties initiator,
+ bool tx);
int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
- enum ieee80211_back_parties initiator);
+ enum ieee80211_back_parties initiator,
+ bool tx);
void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid);
void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid);
void ieee80211_ba_session_work(struct work_struct *work);
--- wireless-testing.orig/net/mac80211/mlme.c 2010-10-04 15:16:03.000000000 +0200
+++ wireless-testing/net/mac80211/mlme.c 2010-10-04 15:17:05.000000000 +0200
@@ -921,7 +921,7 @@ static void ieee80211_set_associated(str
}
static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
- bool remove_sta)
+ bool remove_sta, bool tx)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local;
@@ -960,7 +960,7 @@ static void ieee80211_set_disassoc(struc
sta = sta_info_get(sdata, bssid);
if (sta) {
set_sta_flags(sta, WLAN_STA_BLOCK_BA);
- ieee80211_sta_tear_down_BA_sessions(sta);
+ ieee80211_sta_tear_down_BA_sessions(sta, tx);
}
mutex_unlock(&local->sta_mtx);
@@ -1124,7 +1124,7 @@ static void __ieee80211_connection_loss(
printk(KERN_DEBUG "Connection to AP %pM lost.\n", bssid);
- ieee80211_set_disassoc(sdata, true);
+ ieee80211_set_disassoc(sdata, true, true);
mutex_unlock(&ifmgd->mtx);
mutex_lock(&local->mtx);
@@ -1197,7 +1197,7 @@ ieee80211_rx_mgmt_deauth(struct ieee8021
printk(KERN_DEBUG "%s: deauthenticated from %pM (Reason: %u)\n",
sdata->name, bssid, reason_code);
- ieee80211_set_disassoc(sdata, true);
+ ieee80211_set_disassoc(sdata, true, false);
mutex_lock(&sdata->local->mtx);
ieee80211_recalc_idle(sdata->local);
mutex_unlock(&sdata->local->mtx);
@@ -1229,7 +1229,7 @@ ieee80211_rx_mgmt_disassoc(struct ieee80
printk(KERN_DEBUG "%s: disassociated from %pM (Reason: %u)\n",
sdata->name, mgmt->sa, reason_code);
- ieee80211_set_disassoc(sdata, true);
+ ieee80211_set_disassoc(sdata, true, false);
mutex_lock(&sdata->local->mtx);
ieee80211_recalc_idle(sdata->local);
mutex_unlock(&sdata->local->mtx);
@@ -1879,7 +1879,7 @@ void ieee80211_sta_work(struct ieee80211
printk(KERN_DEBUG "No probe response from AP %pM"
" after %dms, disconnecting.\n",
bssid, (1000 * IEEE80211_PROBE_WAIT)/HZ);
- ieee80211_set_disassoc(sdata, true);
+ ieee80211_set_disassoc(sdata, true, true);
mutex_unlock(&ifmgd->mtx);
mutex_lock(&local->mtx);
ieee80211_recalc_idle(local);
@@ -2203,7 +2203,7 @@ int ieee80211_mgd_assoc(struct ieee80211
}
/* Trying to reassociate - clear previous association state */
- ieee80211_set_disassoc(sdata, true);
+ ieee80211_set_disassoc(sdata, true, false);
}
mutex_unlock(&ifmgd->mtx);
@@ -2315,7 +2315,7 @@ int ieee80211_mgd_deauth(struct ieee8021
memcpy(bssid, req->bss->bssid, ETH_ALEN);
if (ifmgd->associated == req->bss) {
- ieee80211_set_disassoc(sdata, false);
+ ieee80211_set_disassoc(sdata, false, true);
mutex_unlock(&ifmgd->mtx);
assoc_bss = true;
} else {
@@ -2398,7 +2398,7 @@ int ieee80211_mgd_disassoc(struct ieee80
sdata->name, req->bss->bssid, req->reason_code);
memcpy(bssid, req->bss->bssid, ETH_ALEN);
- ieee80211_set_disassoc(sdata, false);
+ ieee80211_set_disassoc(sdata, false, true);
mutex_unlock(&ifmgd->mtx);
--- wireless-testing.orig/net/mac80211/pm.c 2010-10-04 15:17:18.000000000 +0200
+++ wireless-testing/net/mac80211/pm.c 2010-10-04 15:17:37.000000000 +0200
@@ -46,7 +46,7 @@ int __ieee80211_suspend(struct ieee80211
list_for_each_entry(sta, &local->sta_list, list) {
if (hw->flags & IEEE80211_HW_AMPDU_AGGREGATION) {
set_sta_flags(sta, WLAN_STA_BLOCK_BA);
- ieee80211_sta_tear_down_BA_sessions(sta);
+ ieee80211_sta_tear_down_BA_sessions(sta, true);
}
if (sta->uploaded) {
--- wireless-testing.orig/net/mac80211/sta_info.c 2010-10-04 15:17:19.000000000 +0200
+++ wireless-testing/net/mac80211/sta_info.c 2010-10-04 15:17:42.000000000 +0200
@@ -633,7 +633,7 @@ static int __must_check __sta_info_destr
* will be sufficient.
*/
set_sta_flags(sta, WLAN_STA_BLOCK_BA);
- ieee80211_sta_tear_down_BA_sessions(sta);
+ ieee80211_sta_tear_down_BA_sessions(sta, true);
spin_lock_irqsave(&local->sta_lock, flags);
ret = sta_info_hash_del(local, sta);
--- wireless-testing.orig/net/mac80211/sta_info.h 2010-10-04 15:21:03.000000000 +0200
+++ wireless-testing/net/mac80211/sta_info.h 2010-10-04 15:24:14.000000000 +0200
@@ -79,6 +79,7 @@ enum ieee80211_sta_info_flags {
* @dialog_token: dialog token for aggregation session
* @state: session state (see above)
* @stop_initiator: initiator of a session stop
+ * @tx_stop: TX DelBA frame when stopping
*
* This structure is protected by RCU and the per-station
* spinlock. Assignments to the array holding it must hold
@@ -95,6 +96,7 @@ struct tid_ampdu_tx {
unsigned long state;
u8 dialog_token;
u8 stop_initiator;
+ bool tx_stop;
};
/**
--- wireless-testing.orig/net/mac80211/util.c 2010-10-04 15:17:18.000000000 +0200
+++ wireless-testing/net/mac80211/util.c 2010-10-04 15:17:32.000000000 +0200
@@ -1221,7 +1221,7 @@ int ieee80211_reconfig(struct ieee80211_
mutex_lock(&local->sta_mtx);
list_for_each_entry(sta, &local->sta_list, list) {
- ieee80211_sta_tear_down_BA_sessions(sta);
+ ieee80211_sta_tear_down_BA_sessions(sta, true);
clear_sta_flags(sta, WLAN_STA_BLOCK_BA);
}
--- wireless-testing.orig/net/mac80211/agg-rx.c 2010-10-04 15:18:07.000000000 +0200
+++ wireless-testing/net/mac80211/agg-rx.c 2010-10-04 15:24:39.000000000 +0200
@@ -56,7 +56,7 @@ static void ieee80211_free_tid_rx(struct
}
void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
- u16 initiator, u16 reason)
+ u16 initiator, u16 reason, bool tx)
{
struct ieee80211_local *local = sta->local;
struct tid_ampdu_rx *tid_rx;
@@ -81,7 +81,7 @@ void ___ieee80211_stop_rx_ba_session(str
"aggregation for tid %d\n", tid);
/* check if this is a self generated aggregation halt */
- if (initiator == WLAN_BACK_RECIPIENT)
+ if (initiator == WLAN_BACK_RECIPIENT && tx)
ieee80211_send_delba(sta->sdata, sta->sta.addr,
tid, 0, reason);
@@ -92,10 +92,10 @@ void ___ieee80211_stop_rx_ba_session(str
}
void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
- u16 initiator, u16 reason)
+ u16 initiator, u16 reason, bool tx)
{
mutex_lock(&sta->ampdu_mlme.mtx);
- ___ieee80211_stop_rx_ba_session(sta, tid, initiator, reason);
+ ___ieee80211_stop_rx_ba_session(sta, tid, initiator, reason, tx);
mutex_unlock(&sta->ampdu_mlme.mtx);
}
--- wireless-testing.orig/net/mac80211/iface.c 2010-10-04 15:24:46.000000000 +0200
+++ wireless-testing/net/mac80211/iface.c 2010-10-04 15:24:50.000000000 +0200
@@ -793,7 +793,8 @@ static void ieee80211_iface_work(struct
__ieee80211_stop_rx_ba_session(
sta, tid, WLAN_BACK_RECIPIENT,
- WLAN_REASON_QSTA_REQUIRE_SETUP);
+ WLAN_REASON_QSTA_REQUIRE_SETUP,
+ true);
}
mutex_unlock(&local->sta_mtx);
} else switch (sdata->vif.type) {
--- wireless-testing.orig/net/mac80211/debugfs_sta.c 2010-10-04 15:25:14.000000000 +0200
+++ wireless-testing/net/mac80211/debugfs_sta.c 2010-10-04 15:25:23.000000000 +0200
@@ -196,7 +196,8 @@ static ssize_t sta_agg_status_write(stru
else
ret = ieee80211_stop_tx_ba_session(&sta->sta, tid);
} else {
- __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT, 3);
+ __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT,
+ 3, true);
ret = 0;
}
--
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