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-rw-r--r--net/mac80211/agg-rx.c4
-rw-r--r--net/mac80211/agg-tx.c20
-rw-r--r--net/mac80211/driver-ops.h6
-rw-r--r--net/mac80211/driver-trace.h11
-rw-r--r--net/mac80211/sta_info.h2
5 files changed, 31 insertions, 12 deletions
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 002db5e86eb6..1f51f4162426 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -76,7 +76,7 @@ void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
#endif /* CONFIG_MAC80211_HT_DEBUG */
if (drv_ampdu_action(local, sta->sdata, IEEE80211_AMPDU_RX_STOP,
- &sta->sta, tid, NULL))
+ &sta->sta, tid, NULL, 0))
printk(KERN_DEBUG "HW problem - can not stop rx "
"aggregation for tid %d\n", tid);
@@ -297,7 +297,7 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
}
ret = drv_ampdu_action(local, sta->sdata, IEEE80211_AMPDU_RX_START,
- &sta->sta, tid, &start_seq_num);
+ &sta->sta, tid, &start_seq_num, 0);
#ifdef CONFIG_MAC80211_HT_DEBUG
printk(KERN_DEBUG "Rx A-MPDU request on tid %d result %d\n", tid, ret);
#endif /* CONFIG_MAC80211_HT_DEBUG */
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 9cc472c6a6a5..42f7c9007331 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -190,7 +190,7 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
ret = drv_ampdu_action(local, sta->sdata,
IEEE80211_AMPDU_TX_STOP,
- &sta->sta, tid, NULL);
+ &sta->sta, tid, NULL, 0);
/* HW shall not deny going back to legacy */
if (WARN_ON(ret)) {
@@ -311,7 +311,7 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
start_seq_num = sta->tid_seq[tid] >> 4;
ret = drv_ampdu_action(local, sdata, IEEE80211_AMPDU_TX_START,
- &sta->sta, tid, &start_seq_num);
+ &sta->sta, tid, &start_seq_num, 0);
if (ret) {
#ifdef CONFIG_MAC80211_HT_DEBUG
printk(KERN_DEBUG "BA request denied - HW unavailable for"
@@ -487,7 +487,8 @@ static void ieee80211_agg_tx_operational(struct ieee80211_local *local,
drv_ampdu_action(local, sta->sdata,
IEEE80211_AMPDU_TX_OPERATIONAL,
- &sta->sta, tid, NULL);
+ &sta->sta, tid, NULL,
+ sta->ampdu_mlme.tid_tx[tid]->buf_size);
/*
* synchronize with TX path, while splicing the TX path
@@ -742,9 +743,11 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
{
struct tid_ampdu_tx *tid_tx;
u16 capab, tid;
+ u8 buf_size;
capab = le16_to_cpu(mgmt->u.action.u.addba_resp.capab);
tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
+ buf_size = (capab & IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK) >> 6;
mutex_lock(&sta->ampdu_mlme.mtx);
@@ -767,12 +770,23 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
if (le16_to_cpu(mgmt->u.action.u.addba_resp.status)
== WLAN_STATUS_SUCCESS) {
+ /*
+ * IEEE 802.11-2007 7.3.1.14:
+ * In an ADDBA Response frame, when the Status Code field
+ * is set to 0, the Buffer Size subfield is set to a value
+ * of at least 1.
+ */
+ if (!buf_size)
+ goto out;
+
if (test_and_set_bit(HT_AGG_STATE_RESPONSE_RECEIVED,
&tid_tx->state)) {
/* ignore duplicate response */
goto out;
}
+ tid_tx->buf_size = buf_size;
+
if (test_bit(HT_AGG_STATE_DRV_READY, &tid_tx->state))
ieee80211_agg_tx_operational(local, sta, tid);
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 98d589960a49..78af32d4bc58 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -382,17 +382,17 @@ static inline int drv_ampdu_action(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
enum ieee80211_ampdu_mlme_action action,
struct ieee80211_sta *sta, u16 tid,
- u16 *ssn)
+ u16 *ssn, u8 buf_size)
{
int ret = -EOPNOTSUPP;
might_sleep();
- trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn);
+ trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
if (local->ops->ampdu_action)
ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
- sta, tid, ssn);
+ sta, tid, ssn, buf_size);
trace_drv_return_int(local, ret);
diff --git a/net/mac80211/driver-trace.h b/net/mac80211/driver-trace.h
index 49c84218b2f4..fbabbc2f181a 100644
--- a/net/mac80211/driver-trace.h
+++ b/net/mac80211/driver-trace.h
@@ -784,9 +784,9 @@ TRACE_EVENT(drv_ampdu_action,
struct ieee80211_sub_if_data *sdata,
enum ieee80211_ampdu_mlme_action action,
struct ieee80211_sta *sta, u16 tid,
- u16 *ssn),
+ u16 *ssn, u8 buf_size),
- TP_ARGS(local, sdata, action, sta, tid, ssn),
+ TP_ARGS(local, sdata, action, sta, tid, ssn, buf_size),
TP_STRUCT__entry(
LOCAL_ENTRY
@@ -794,6 +794,7 @@ TRACE_EVENT(drv_ampdu_action,
__field(u32, action)
__field(u16, tid)
__field(u16, ssn)
+ __field(u8, buf_size)
VIF_ENTRY
),
@@ -804,11 +805,13 @@ TRACE_EVENT(drv_ampdu_action,
__entry->action = action;
__entry->tid = tid;
__entry->ssn = ssn ? *ssn : 0;
+ __entry->buf_size = buf_size;
),
TP_printk(
- LOCAL_PR_FMT VIF_PR_FMT STA_PR_FMT " action:%d tid:%d",
- LOCAL_PR_ARG, VIF_PR_ARG, STA_PR_ARG, __entry->action, __entry->tid
+ LOCAL_PR_FMT VIF_PR_FMT STA_PR_FMT " action:%d tid:%d buf:%d",
+ LOCAL_PR_ARG, VIF_PR_ARG, STA_PR_ARG, __entry->action,
+ __entry->tid, __entry->buf_size
)
);
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index bbdd2a86a94b..ca0b69060ef7 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -82,6 +82,7 @@ enum ieee80211_sta_info_flags {
* @state: session state (see above)
* @stop_initiator: initiator of a session stop
* @tx_stop: TX DelBA frame when stopping
+ * @buf_size: reorder buffer size at receiver
*
* This structure's lifetime is managed by RCU, assignments to
* the array holding it must hold the aggregation mutex.
@@ -101,6 +102,7 @@ struct tid_ampdu_tx {
u8 dialog_token;
u8 stop_initiator;
bool tx_stop;
+ u8 buf_size;
};
/**