mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-08-20 07:43:42 +03:00
138 lines
4.4 KiB
Diff
138 lines
4.4 KiB
Diff
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--- a/net/mac80211/sta_info.h
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+++ b/net/mac80211/sta_info.h
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@@ -99,6 +99,7 @@ enum ieee80211_sta_info_flags {
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* @dialog_token: dialog token for aggregation session
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* @timeout: session timeout value to be filled in ADDBA requests
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* @state: session state (see above)
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+ * @last_tx: jiffies of last tx activity
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* @stop_initiator: initiator of a session stop
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* @tx_stop: TX DelBA frame when stopping
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* @buf_size: reorder buffer size at receiver
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@@ -120,6 +121,7 @@ struct tid_ampdu_tx {
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struct timer_list addba_resp_timer;
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struct sk_buff_head pending;
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unsigned long state;
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+ unsigned long last_tx;
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u16 timeout;
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u8 dialog_token;
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u8 stop_initiator;
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@@ -137,6 +139,7 @@ struct tid_ampdu_tx {
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* @reorder_time: jiffies when skb was added
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* @session_timer: check if peer keeps Tx-ing on the TID (by timeout value)
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* @reorder_timer: releases expired frames from the reorder buffer.
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+ * @last_rx: jiffies of last rx activity
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* @head_seq_num: head sequence number in reordering buffer.
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* @stored_mpdu_num: number of MPDUs in reordering buffer
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* @ssn: Starting Sequence Number expected to be aggregated.
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@@ -161,6 +164,7 @@ struct tid_ampdu_rx {
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unsigned long *reorder_time;
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struct timer_list session_timer;
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struct timer_list reorder_timer;
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+ unsigned long last_rx;
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u16 head_seq_num;
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u16 stored_mpdu_num;
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u16 ssn;
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--- a/net/mac80211/tx.c
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+++ b/net/mac80211/tx.c
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@@ -1120,8 +1120,7 @@ static bool ieee80211_tx_prep_agg(struct
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/* reset session timer */
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if (reset_agg_timer && tid_tx->timeout)
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- mod_timer(&tid_tx->session_timer,
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- TU_TO_EXP_TIME(tid_tx->timeout));
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+ tid_tx->last_tx = jiffies;
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return queued;
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}
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--- a/net/mac80211/ieee80211_i.h
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+++ b/net/mac80211/ieee80211_i.h
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@@ -52,7 +52,8 @@ struct ieee80211_local;
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* increased memory use (about 2 kB of RAM per entry). */
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#define IEEE80211_FRAGMENT_MAX 4
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-#define TU_TO_EXP_TIME(x) (jiffies + usecs_to_jiffies((x) * 1024))
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+#define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
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+#define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
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#define IEEE80211_DEFAULT_UAPSD_QUEUES \
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(IEEE80211_WMM_IE_STA_QOSINFO_AC_BK | \
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--- a/net/mac80211/agg-tx.c
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+++ b/net/mac80211/agg-tx.c
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@@ -436,6 +436,18 @@ static void sta_tx_agg_session_timer_exp
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u8 *timer_to_id = ptid - *ptid;
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struct sta_info *sta = container_of(timer_to_id, struct sta_info,
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timer_to_tid[0]);
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+ struct tid_ampdu_tx *tid_tx;
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+ unsigned long timeout;
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+
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+ tid_tx = rcu_dereference_protected_tid_tx(sta, *ptid);
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+ if (!tid_tx)
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+ return;
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+
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+ timeout = tid_tx->last_tx + TU_TO_JIFFIES(tid_tx->timeout);
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+ if (time_is_after_jiffies(timeout)) {
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+ mod_timer(&tid_tx->session_timer, timeout);
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+ return;
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+ }
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#ifdef CONFIG_MAC80211_HT_DEBUG
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printk(KERN_DEBUG "tx session timer expired on tid %d\n", (u16)*ptid);
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@@ -908,9 +920,11 @@ void ieee80211_process_addba_resp(struct
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sta->ampdu_mlme.addba_req_num[tid] = 0;
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- if (tid_tx->timeout)
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+ if (tid_tx->timeout) {
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mod_timer(&tid_tx->session_timer,
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TU_TO_EXP_TIME(tid_tx->timeout));
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+ tid_tx->last_tx = jiffies;
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+ }
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} else {
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___ieee80211_stop_tx_ba_session(sta, tid, WLAN_BACK_INITIATOR,
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--- a/net/mac80211/agg-rx.c
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+++ b/net/mac80211/agg-rx.c
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@@ -141,6 +141,18 @@ static void sta_rx_agg_session_timer_exp
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u8 *timer_to_id = ptid - *ptid;
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struct sta_info *sta = container_of(timer_to_id, struct sta_info,
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timer_to_tid[0]);
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+ struct tid_ampdu_rx *tid_rx;
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+ unsigned long timeout;
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+
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+ tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[*ptid]);
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+ if (!tid_rx)
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+ return;
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+
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+ timeout = tid_rx->last_rx + TU_TO_JIFFIES(tid_rx->timeout);
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+ if (time_is_after_jiffies(timeout)) {
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+ mod_timer(&tid_rx->session_timer, timeout);
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+ return;
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+ }
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#ifdef CONFIG_MAC80211_HT_DEBUG
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printk(KERN_DEBUG "rx session timer expired on tid %d\n", (u16)*ptid);
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@@ -336,8 +348,10 @@ void ieee80211_process_addba_request(str
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/* activate it for RX */
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rcu_assign_pointer(sta->ampdu_mlme.tid_rx[tid], tid_agg_rx);
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- if (timeout)
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+ if (timeout) {
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mod_timer(&tid_agg_rx->session_timer, TU_TO_EXP_TIME(timeout));
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+ tid_agg_rx->last_rx = jiffies;
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+ }
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end:
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mutex_unlock(&sta->ampdu_mlme.mtx);
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--- a/net/mac80211/rx.c
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+++ b/net/mac80211/rx.c
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@@ -793,8 +793,7 @@ static void ieee80211_rx_reorder_ampdu(s
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/* reset session timer */
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if (tid_agg_rx->timeout)
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- mod_timer(&tid_agg_rx->session_timer,
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- TU_TO_EXP_TIME(tid_agg_rx->timeout));
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+ tid_agg_rx->last_rx = jiffies;
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/* if this mpdu is fragmented - terminate rx aggregation session */
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sc = le16_to_cpu(hdr->seq_ctrl);
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