mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-25 19:56:27 +02:00
d349dd54e7
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27071 3c298f89-4303-0410-b956-a3cf2f4a3e73
988 lines
30 KiB
Diff
988 lines
30 KiB
Diff
--- a/drivers/net/wireless/ath/ath9k/hw.h
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+++ b/drivers/net/wireless/ath/ath9k/hw.h
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@@ -603,7 +603,6 @@ struct ath_hw_ops {
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int power_off);
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void (*rx_enable)(struct ath_hw *ah);
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void (*set_desc_link)(void *ds, u32 link);
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- void (*get_desc_link)(void *ds, u32 **link);
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bool (*calibrate)(struct ath_hw *ah,
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struct ath9k_channel *chan,
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u8 rxchainmask,
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--- a/drivers/net/wireless/ath/ath9k/main.c
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+++ b/drivers/net/wireless/ath/ath9k/main.c
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@@ -62,8 +62,6 @@ static bool ath9k_has_pending_frames(str
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if (txq->axq_depth || !list_empty(&txq->axq_acq))
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pending = true;
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- else if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
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- pending = !list_empty(&txq->txq_fifo_pending);
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spin_unlock_bh(&txq->axq_lock);
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return pending;
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--- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c
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+++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
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@@ -28,11 +28,6 @@ static void ar9002_hw_set_desc_link(void
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((struct ath_desc*) ds)->ds_link = ds_link;
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}
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-static void ar9002_hw_get_desc_link(void *ds, u32 **ds_link)
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-{
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- *ds_link = &((struct ath_desc *)ds)->ds_link;
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-}
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-
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static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
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{
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u32 isr = 0;
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@@ -437,7 +432,6 @@ void ar9002_hw_attach_mac_ops(struct ath
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ops->rx_enable = ar9002_hw_rx_enable;
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ops->set_desc_link = ar9002_hw_set_desc_link;
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- ops->get_desc_link = ar9002_hw_get_desc_link;
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ops->get_isr = ar9002_hw_get_isr;
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ops->fill_txdesc = ar9002_hw_fill_txdesc;
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ops->proc_txdesc = ar9002_hw_proc_txdesc;
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--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
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+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
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@@ -43,13 +43,6 @@ static void ar9003_hw_set_desc_link(void
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ads->ctl10 |= ar9003_calc_ptr_chksum(ads);
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}
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-static void ar9003_hw_get_desc_link(void *ds, u32 **ds_link)
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-{
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- struct ar9003_txc *ads = ds;
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-
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- *ds_link = &ads->link;
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-}
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-
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static bool ar9003_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
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{
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u32 isr = 0;
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@@ -498,7 +491,6 @@ void ar9003_hw_attach_mac_ops(struct ath
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ops->rx_enable = ar9003_hw_rx_enable;
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ops->set_desc_link = ar9003_hw_set_desc_link;
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- ops->get_desc_link = ar9003_hw_get_desc_link;
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ops->get_isr = ar9003_hw_get_isr;
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ops->fill_txdesc = ar9003_hw_fill_txdesc;
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ops->proc_txdesc = ar9003_hw_proc_txdesc;
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--- a/drivers/net/wireless/ath/ath9k/ath9k.h
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+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
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@@ -179,7 +179,7 @@ enum ATH_AGGR_STATUS {
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struct ath_txq {
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int mac80211_qnum; /* mac80211 queue number, -1 means not mac80211 Q */
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u32 axq_qnum; /* ath9k hardware queue number */
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- u32 *axq_link;
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+ void *axq_link;
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struct list_head axq_q;
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spinlock_t axq_lock;
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u32 axq_depth;
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@@ -188,7 +188,6 @@ struct ath_txq {
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bool axq_tx_inprogress;
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struct list_head axq_acq;
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struct list_head txq_fifo[ATH_TXFIFO_DEPTH];
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- struct list_head txq_fifo_pending;
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u8 txq_headidx;
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u8 txq_tailidx;
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int pending_frames;
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--- a/drivers/net/wireless/ath/ath9k/debug.c
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+++ b/drivers/net/wireless/ath/ath9k/debug.c
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@@ -550,6 +550,7 @@ static ssize_t read_file_xmit(struct fil
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PR("MPDUs Queued: ", queued);
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PR("MPDUs Completed: ", completed);
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+ PR("MPDUs XRetried: ", xretries);
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PR("Aggregates: ", a_aggr);
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PR("AMPDUs Queued HW:", a_queued_hw);
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PR("AMPDUs Queued SW:", a_queued_sw);
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@@ -587,7 +588,6 @@ static ssize_t read_file_xmit(struct fil
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PRQLE("axq_q empty: ", axq_q);
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PRQLE("axq_acq empty: ", axq_acq);
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- PRQLE("txq_fifo_pending: ", txq_fifo_pending);
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for (i = 0; i < ATH_TXFIFO_DEPTH; i++) {
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snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i);
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PRQLE(tmp, txq_fifo[i]);
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@@ -807,7 +807,10 @@ void ath_debug_stat_tx(struct ath_softc
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else
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TX_STAT_INC(qnum, a_completed);
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} else {
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- TX_STAT_INC(qnum, completed);
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+ if (bf_isxretried(bf))
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+ TX_STAT_INC(qnum, xretries);
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+ else
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+ TX_STAT_INC(qnum, completed);
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}
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if (ts->ts_status & ATH9K_TXERR_FIFO)
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--- a/drivers/net/wireless/ath/ath9k/hw-ops.h
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+++ b/drivers/net/wireless/ath/ath9k/hw-ops.h
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@@ -39,11 +39,6 @@ static inline void ath9k_hw_set_desc_lin
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ath9k_hw_ops(ah)->set_desc_link(ds, link);
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}
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-static inline void ath9k_hw_get_desc_link(struct ath_hw *ah, void *ds,
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- u32 **link)
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-{
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- ath9k_hw_ops(ah)->get_desc_link(ds, link);
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-}
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static inline bool ath9k_hw_calibrate(struct ath_hw *ah,
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struct ath9k_channel *chan,
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u8 rxchainmask,
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--- a/drivers/net/wireless/ath/ath9k/xmit.c
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+++ b/drivers/net/wireless/ath/ath9k/xmit.c
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@@ -53,7 +53,7 @@ static void ath_tx_complete_buf(struct a
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struct ath_txq *txq, struct list_head *bf_q,
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struct ath_tx_status *ts, int txok, int sendbar);
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static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
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- struct list_head *head);
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+ struct list_head *head, bool internal);
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static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len);
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static void ath_tx_rc_status(struct ath_softc *sc, struct ath_buf *bf,
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struct ath_tx_status *ts, int nframes, int nbad,
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@@ -377,8 +377,7 @@ static void ath_tx_complete_aggr(struct
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bf_next = bf->bf_next;
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bf->bf_state.bf_type |= BUF_XRETRY;
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- if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) ||
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- !bf->bf_stale || bf_next != NULL)
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+ if (!bf->bf_stale || bf_next != NULL)
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list_move_tail(&bf->list, &bf_head);
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ath_tx_rc_status(sc, bf, ts, 1, 1, 0, false);
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@@ -463,20 +462,14 @@ static void ath_tx_complete_aggr(struct
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}
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}
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- if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) &&
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- bf_next == NULL) {
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- /*
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- * Make sure the last desc is reclaimed if it
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- * not a holding desc.
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- */
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- if (!bf_last->bf_stale)
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- list_move_tail(&bf->list, &bf_head);
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- else
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- INIT_LIST_HEAD(&bf_head);
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- } else {
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- BUG_ON(list_empty(bf_q));
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+ /*
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+ * Make sure the last desc is reclaimed if it
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+ * not a holding desc.
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+ */
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+ if (!bf_last->bf_stale || bf_next != NULL)
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list_move_tail(&bf->list, &bf_head);
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- }
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+ else
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+ INIT_LIST_HEAD(&bf_head);
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if (!txpending || (tid->state & AGGR_CLEANUP)) {
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/*
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@@ -837,7 +830,7 @@ static void ath_tx_sched_aggr(struct ath
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bf->bf_state.bf_type &= ~BUF_AGGR;
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ath9k_hw_clr11n_aggr(sc->sc_ah, bf->bf_desc);
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ath_buf_set_rate(sc, bf, fi->framelen);
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- ath_tx_txqaddbuf(sc, txq, &bf_q);
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+ ath_tx_txqaddbuf(sc, txq, &bf_q, false);
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continue;
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}
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@@ -849,7 +842,7 @@ static void ath_tx_sched_aggr(struct ath
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/* anchor last desc of aggregate */
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ath9k_hw_set11n_aggr_last(sc->sc_ah, bf->bf_lastbf->bf_desc);
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- ath_tx_txqaddbuf(sc, txq, &bf_q);
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+ ath_tx_txqaddbuf(sc, txq, &bf_q, false);
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TX_STAT_INC(txq->axq_qnum, a_aggr);
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} while (txq->axq_ampdu_depth < ATH_AGGR_MIN_QDEPTH &&
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@@ -1085,7 +1078,6 @@ struct ath_txq *ath_txq_setup(struct ath
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txq->txq_headidx = txq->txq_tailidx = 0;
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for (i = 0; i < ATH_TXFIFO_DEPTH; i++)
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INIT_LIST_HEAD(&txq->txq_fifo[i]);
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- INIT_LIST_HEAD(&txq->txq_fifo_pending);
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}
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return &sc->tx.txq[axq_qnum];
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}
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@@ -1155,13 +1147,8 @@ static bool bf_is_ampdu_not_probing(stru
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return bf_isampdu(bf) && !(info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE);
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}
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-/*
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- * Drain a given TX queue (could be Beacon or Data)
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- *
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- * This assumes output has been stopped and
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- * we do not need to block ath_tx_tasklet.
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- */
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-void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx)
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+static void ath_drain_txq_list(struct ath_softc *sc, struct ath_txq *txq,
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+ struct list_head *list, bool retry_tx)
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{
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struct ath_buf *bf, *lastbf;
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struct list_head bf_head;
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@@ -1170,93 +1157,63 @@ void ath_draintxq(struct ath_softc *sc,
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memset(&ts, 0, sizeof(ts));
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INIT_LIST_HEAD(&bf_head);
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- for (;;) {
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- spin_lock_bh(&txq->axq_lock);
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+ while (!list_empty(list)) {
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+ bf = list_first_entry(list, struct ath_buf, list);
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- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
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- if (list_empty(&txq->txq_fifo[txq->txq_tailidx])) {
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- txq->txq_headidx = txq->txq_tailidx = 0;
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- spin_unlock_bh(&txq->axq_lock);
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- break;
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- } else {
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- bf = list_first_entry(&txq->txq_fifo[txq->txq_tailidx],
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- struct ath_buf, list);
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- }
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- } else {
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- if (list_empty(&txq->axq_q)) {
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- txq->axq_link = NULL;
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- spin_unlock_bh(&txq->axq_lock);
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- break;
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- }
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- bf = list_first_entry(&txq->axq_q, struct ath_buf,
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- list);
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-
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- if (bf->bf_stale) {
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- list_del(&bf->list);
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- spin_unlock_bh(&txq->axq_lock);
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+ if (bf->bf_stale) {
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+ list_del(&bf->list);
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- ath_tx_return_buffer(sc, bf);
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- continue;
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- }
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+ ath_tx_return_buffer(sc, bf);
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+ continue;
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}
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lastbf = bf->bf_lastbf;
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-
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- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
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- list_cut_position(&bf_head,
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- &txq->txq_fifo[txq->txq_tailidx],
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- &lastbf->list);
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- INCR(txq->txq_tailidx, ATH_TXFIFO_DEPTH);
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- } else {
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- /* remove ath_buf's of the same mpdu from txq */
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- list_cut_position(&bf_head, &txq->axq_q, &lastbf->list);
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- }
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+ list_cut_position(&bf_head, list, &lastbf->list);
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txq->axq_depth--;
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if (bf_is_ampdu_not_probing(bf))
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txq->axq_ampdu_depth--;
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- spin_unlock_bh(&txq->axq_lock);
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+ spin_unlock_bh(&txq->axq_lock);
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if (bf_isampdu(bf))
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ath_tx_complete_aggr(sc, txq, bf, &bf_head, &ts, 0,
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retry_tx);
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else
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ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0, 0);
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+ spin_lock_bh(&txq->axq_lock);
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}
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+}
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+/*
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+ * Drain a given TX queue (could be Beacon or Data)
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+ *
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+ * This assumes output has been stopped and
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+ * we do not need to block ath_tx_tasklet.
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+ */
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+void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx)
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+{
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spin_lock_bh(&txq->axq_lock);
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- txq->axq_tx_inprogress = false;
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- spin_unlock_bh(&txq->axq_lock);
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-
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if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
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- spin_lock_bh(&txq->axq_lock);
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- while (!list_empty(&txq->txq_fifo_pending)) {
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- bf = list_first_entry(&txq->txq_fifo_pending,
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- struct ath_buf, list);
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- list_cut_position(&bf_head,
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- &txq->txq_fifo_pending,
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- &bf->bf_lastbf->list);
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- spin_unlock_bh(&txq->axq_lock);
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+ int idx = txq->txq_tailidx;
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- if (bf_isampdu(bf))
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- ath_tx_complete_aggr(sc, txq, bf, &bf_head,
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- &ts, 0, retry_tx);
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- else
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- ath_tx_complete_buf(sc, bf, txq, &bf_head,
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- &ts, 0, 0);
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- spin_lock_bh(&txq->axq_lock);
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+ while (!list_empty(&txq->txq_fifo[idx])) {
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+ ath_drain_txq_list(sc, txq, &txq->txq_fifo[idx],
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+ retry_tx);
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+
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+ INCR(idx, ATH_TXFIFO_DEPTH);
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}
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- spin_unlock_bh(&txq->axq_lock);
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+ txq->txq_tailidx = idx;
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}
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+ txq->axq_link = NULL;
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+ txq->axq_tx_inprogress = false;
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+ ath_drain_txq_list(sc, txq, &txq->axq_q, retry_tx);
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+
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/* flush any pending frames if aggregation is enabled */
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- if (sc->sc_flags & SC_OP_TXAGGR) {
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- if (!retry_tx) {
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- spin_lock_bh(&txq->axq_lock);
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- ath_txq_drain_pending_buffers(sc, txq);
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- spin_unlock_bh(&txq->axq_lock);
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- }
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- }
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+ if ((sc->sc_flags & SC_OP_TXAGGR) && !retry_tx)
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+ ath_txq_drain_pending_buffers(sc, txq);
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+
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+ spin_unlock_bh(&txq->axq_lock);
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}
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bool ath_drain_all_txq(struct ath_softc *sc, bool retry_tx)
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@@ -1370,11 +1327,13 @@ void ath_txq_schedule(struct ath_softc *
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* assume the descriptors are already chained together by caller.
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*/
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static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
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- struct list_head *head)
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+ struct list_head *head, bool internal)
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{
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struct ath_hw *ah = sc->sc_ah;
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struct ath_common *common = ath9k_hw_common(ah);
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- struct ath_buf *bf;
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+ struct ath_buf *bf, *bf_last;
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+ bool puttxbuf = false;
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+ bool edma;
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/*
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* Insert the frame on the outbound list and
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@@ -1384,51 +1343,49 @@ static void ath_tx_txqaddbuf(struct ath_
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if (list_empty(head))
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return;
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+ edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA);
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bf = list_first_entry(head, struct ath_buf, list);
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+ bf_last = list_entry(head->prev, struct ath_buf, list);
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ath_dbg(common, ATH_DBG_QUEUE,
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"qnum: %d, txq depth: %d\n", txq->axq_qnum, txq->axq_depth);
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- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
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- if (txq->axq_depth >= ATH_TXFIFO_DEPTH) {
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- list_splice_tail_init(head, &txq->txq_fifo_pending);
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- return;
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- }
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- if (!list_empty(&txq->txq_fifo[txq->txq_headidx]))
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- ath_dbg(common, ATH_DBG_XMIT,
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- "Initializing tx fifo %d which is non-empty\n",
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- txq->txq_headidx);
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- INIT_LIST_HEAD(&txq->txq_fifo[txq->txq_headidx]);
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- list_splice_init(head, &txq->txq_fifo[txq->txq_headidx]);
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+ if (edma && list_empty(&txq->txq_fifo[txq->txq_headidx])) {
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+ list_splice_tail_init(head, &txq->txq_fifo[txq->txq_headidx]);
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INCR(txq->txq_headidx, ATH_TXFIFO_DEPTH);
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- TX_STAT_INC(txq->axq_qnum, puttxbuf);
|
|
- ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr);
|
|
- ath_dbg(common, ATH_DBG_XMIT, "TXDP[%u] = %llx (%p)\n",
|
|
- txq->axq_qnum, ito64(bf->bf_daddr), bf->bf_desc);
|
|
+ puttxbuf = true;
|
|
} else {
|
|
list_splice_tail_init(head, &txq->axq_q);
|
|
|
|
- if (txq->axq_link == NULL) {
|
|
- TX_STAT_INC(txq->axq_qnum, puttxbuf);
|
|
- ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr);
|
|
- ath_dbg(common, ATH_DBG_XMIT, "TXDP[%u] = %llx (%p)\n",
|
|
- txq->axq_qnum, ito64(bf->bf_daddr),
|
|
- bf->bf_desc);
|
|
- } else {
|
|
- *txq->axq_link = bf->bf_daddr;
|
|
+ if (txq->axq_link) {
|
|
+ ath9k_hw_set_desc_link(ah, txq->axq_link, bf->bf_daddr);
|
|
ath_dbg(common, ATH_DBG_XMIT,
|
|
"link[%u] (%p)=%llx (%p)\n",
|
|
txq->axq_qnum, txq->axq_link,
|
|
ito64(bf->bf_daddr), bf->bf_desc);
|
|
- }
|
|
- ath9k_hw_get_desc_link(ah, bf->bf_lastbf->bf_desc,
|
|
- &txq->axq_link);
|
|
+ } else if (!edma)
|
|
+ puttxbuf = true;
|
|
+
|
|
+ txq->axq_link = bf_last->bf_desc;
|
|
+ }
|
|
+
|
|
+ if (puttxbuf) {
|
|
+ TX_STAT_INC(txq->axq_qnum, puttxbuf);
|
|
+ ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr);
|
|
+ ath_dbg(common, ATH_DBG_XMIT, "TXDP[%u] = %llx (%p)\n",
|
|
+ txq->axq_qnum, ito64(bf->bf_daddr), bf->bf_desc);
|
|
+ }
|
|
+
|
|
+ if (!edma) {
|
|
TX_STAT_INC(txq->axq_qnum, txstart);
|
|
ath9k_hw_txstart(ah, txq->axq_qnum);
|
|
}
|
|
- txq->axq_depth++;
|
|
- if (bf_is_ampdu_not_probing(bf))
|
|
- txq->axq_ampdu_depth++;
|
|
+
|
|
+ if (!internal) {
|
|
+ txq->axq_depth++;
|
|
+ if (bf_is_ampdu_not_probing(bf))
|
|
+ txq->axq_ampdu_depth++;
|
|
+ }
|
|
}
|
|
|
|
static void ath_tx_send_ampdu(struct ath_softc *sc, struct ath_atx_tid *tid,
|
|
@@ -1470,7 +1427,7 @@ static void ath_tx_send_ampdu(struct ath
|
|
TX_STAT_INC(txctl->txq->axq_qnum, a_queued_hw);
|
|
bf->bf_lastbf = bf;
|
|
ath_buf_set_rate(sc, bf, fi->framelen);
|
|
- ath_tx_txqaddbuf(sc, txctl->txq, &bf_head);
|
|
+ ath_tx_txqaddbuf(sc, txctl->txq, &bf_head, false);
|
|
}
|
|
|
|
static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq,
|
|
@@ -1490,7 +1447,7 @@ static void ath_tx_send_normal(struct at
|
|
bf->bf_lastbf = bf;
|
|
fi = get_frame_info(bf->bf_mpdu);
|
|
ath_buf_set_rate(sc, bf, fi->framelen);
|
|
- ath_tx_txqaddbuf(sc, txq, bf_head);
|
|
+ ath_tx_txqaddbuf(sc, txq, bf_head, false);
|
|
TX_STAT_INC(txq->axq_qnum, queued);
|
|
}
|
|
|
|
@@ -2077,6 +2034,38 @@ static void ath_tx_rc_status(struct ath_
|
|
tx_info->status.rates[tx_rateindex].count = ts->ts_longretry + 1;
|
|
}
|
|
|
|
+static void ath_tx_process_buffer(struct ath_softc *sc, struct ath_txq *txq,
|
|
+ struct ath_tx_status *ts, struct ath_buf *bf,
|
|
+ struct list_head *bf_head)
|
|
+{
|
|
+ int txok;
|
|
+
|
|
+ txq->axq_depth--;
|
|
+ txok = !(ts->ts_status & ATH9K_TXERR_MASK);
|
|
+ txq->axq_tx_inprogress = false;
|
|
+ if (bf_is_ampdu_not_probing(bf))
|
|
+ txq->axq_ampdu_depth--;
|
|
+
|
|
+ spin_unlock_bh(&txq->axq_lock);
|
|
+
|
|
+ if (!bf_isampdu(bf)) {
|
|
+ /*
|
|
+ * This frame is sent out as a single frame.
|
|
+ * Use hardware retry status for this frame.
|
|
+ */
|
|
+ if (ts->ts_status & ATH9K_TXERR_XRETRY)
|
|
+ bf->bf_state.bf_type |= BUF_XRETRY;
|
|
+ ath_tx_rc_status(sc, bf, ts, 1, txok ? 0 : 1, txok, true);
|
|
+ ath_tx_complete_buf(sc, bf, txq, bf_head, ts, txok, 0);
|
|
+ } else
|
|
+ ath_tx_complete_aggr(sc, txq, bf, bf_head, ts, txok, true);
|
|
+
|
|
+ spin_lock_bh(&txq->axq_lock);
|
|
+
|
|
+ if (sc->sc_flags & SC_OP_TXAGGR)
|
|
+ ath_txq_schedule(sc, txq);
|
|
+}
|
|
+
|
|
static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
|
|
{
|
|
struct ath_hw *ah = sc->sc_ah;
|
|
@@ -2085,20 +2074,18 @@ static void ath_tx_processq(struct ath_s
|
|
struct list_head bf_head;
|
|
struct ath_desc *ds;
|
|
struct ath_tx_status ts;
|
|
- int txok;
|
|
int status;
|
|
|
|
ath_dbg(common, ATH_DBG_QUEUE, "tx queue %d (%x), link %p\n",
|
|
txq->axq_qnum, ath9k_hw_gettxbuf(sc->sc_ah, txq->axq_qnum),
|
|
txq->axq_link);
|
|
|
|
+ spin_lock_bh(&txq->axq_lock);
|
|
for (;;) {
|
|
- spin_lock_bh(&txq->axq_lock);
|
|
if (list_empty(&txq->axq_q)) {
|
|
txq->axq_link = NULL;
|
|
if (sc->sc_flags & SC_OP_TXAGGR)
|
|
ath_txq_schedule(sc, txq);
|
|
- spin_unlock_bh(&txq->axq_lock);
|
|
break;
|
|
}
|
|
bf = list_first_entry(&txq->axq_q, struct ath_buf, list);
|
|
@@ -2114,13 +2101,11 @@ static void ath_tx_processq(struct ath_s
|
|
bf_held = NULL;
|
|
if (bf->bf_stale) {
|
|
bf_held = bf;
|
|
- if (list_is_last(&bf_held->list, &txq->axq_q)) {
|
|
- spin_unlock_bh(&txq->axq_lock);
|
|
+ if (list_is_last(&bf_held->list, &txq->axq_q))
|
|
break;
|
|
- } else {
|
|
- bf = list_entry(bf_held->list.next,
|
|
- struct ath_buf, list);
|
|
- }
|
|
+
|
|
+ bf = list_entry(bf_held->list.next, struct ath_buf,
|
|
+ list);
|
|
}
|
|
|
|
lastbf = bf->bf_lastbf;
|
|
@@ -2128,10 +2113,9 @@ static void ath_tx_processq(struct ath_s
|
|
|
|
memset(&ts, 0, sizeof(ts));
|
|
status = ath9k_hw_txprocdesc(ah, ds, &ts);
|
|
- if (status == -EINPROGRESS) {
|
|
- spin_unlock_bh(&txq->axq_lock);
|
|
+ if (status == -EINPROGRESS)
|
|
break;
|
|
- }
|
|
+
|
|
TX_STAT_INC(txq->axq_qnum, txprocdesc);
|
|
|
|
/*
|
|
@@ -2145,42 +2129,14 @@ static void ath_tx_processq(struct ath_s
|
|
list_cut_position(&bf_head,
|
|
&txq->axq_q, lastbf->list.prev);
|
|
|
|
- txq->axq_depth--;
|
|
- txok = !(ts.ts_status & ATH9K_TXERR_MASK);
|
|
- txq->axq_tx_inprogress = false;
|
|
- if (bf_held)
|
|
+ if (bf_held) {
|
|
list_del(&bf_held->list);
|
|
-
|
|
- if (bf_is_ampdu_not_probing(bf))
|
|
- txq->axq_ampdu_depth--;
|
|
-
|
|
- spin_unlock_bh(&txq->axq_lock);
|
|
-
|
|
- if (bf_held)
|
|
ath_tx_return_buffer(sc, bf_held);
|
|
-
|
|
- if (!bf_isampdu(bf)) {
|
|
- /*
|
|
- * This frame is sent out as a single frame.
|
|
- * Use hardware retry status for this frame.
|
|
- */
|
|
- if (ts.ts_status & ATH9K_TXERR_XRETRY)
|
|
- bf->bf_state.bf_type |= BUF_XRETRY;
|
|
- ath_tx_rc_status(sc, bf, &ts, 1, txok ? 0 : 1, txok, true);
|
|
}
|
|
|
|
- if (bf_isampdu(bf))
|
|
- ath_tx_complete_aggr(sc, txq, bf, &bf_head, &ts, txok,
|
|
- true);
|
|
- else
|
|
- ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, txok, 0);
|
|
-
|
|
- spin_lock_bh(&txq->axq_lock);
|
|
-
|
|
- if (sc->sc_flags & SC_OP_TXAGGR)
|
|
- ath_txq_schedule(sc, txq);
|
|
- spin_unlock_bh(&txq->axq_lock);
|
|
+ ath_tx_process_buffer(sc, txq, &ts, bf, &bf_head);
|
|
}
|
|
+ spin_unlock_bh(&txq->axq_lock);
|
|
}
|
|
|
|
static void ath_tx_complete_poll_work(struct work_struct *work)
|
|
@@ -2237,17 +2193,16 @@ void ath_tx_tasklet(struct ath_softc *sc
|
|
|
|
void ath_tx_edma_tasklet(struct ath_softc *sc)
|
|
{
|
|
- struct ath_tx_status txs;
|
|
+ struct ath_tx_status ts;
|
|
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
|
struct ath_hw *ah = sc->sc_ah;
|
|
struct ath_txq *txq;
|
|
struct ath_buf *bf, *lastbf;
|
|
struct list_head bf_head;
|
|
int status;
|
|
- int txok;
|
|
|
|
for (;;) {
|
|
- status = ath9k_hw_txprocdesc(ah, NULL, (void *)&txs);
|
|
+ status = ath9k_hw_txprocdesc(ah, NULL, (void *)&ts);
|
|
if (status == -EINPROGRESS)
|
|
break;
|
|
if (status == -EIO) {
|
|
@@ -2257,12 +2212,13 @@ void ath_tx_edma_tasklet(struct ath_soft
|
|
}
|
|
|
|
/* Skip beacon completions */
|
|
- if (txs.qid == sc->beacon.beaconq)
|
|
+ if (ts.qid == sc->beacon.beaconq)
|
|
continue;
|
|
|
|
- txq = &sc->tx.txq[txs.qid];
|
|
+ txq = &sc->tx.txq[ts.qid];
|
|
|
|
spin_lock_bh(&txq->axq_lock);
|
|
+
|
|
if (list_empty(&txq->txq_fifo[txq->txq_tailidx])) {
|
|
spin_unlock_bh(&txq->axq_lock);
|
|
return;
|
|
@@ -2275,41 +2231,21 @@ void ath_tx_edma_tasklet(struct ath_soft
|
|
INIT_LIST_HEAD(&bf_head);
|
|
list_cut_position(&bf_head, &txq->txq_fifo[txq->txq_tailidx],
|
|
&lastbf->list);
|
|
- INCR(txq->txq_tailidx, ATH_TXFIFO_DEPTH);
|
|
- txq->axq_depth--;
|
|
- txq->axq_tx_inprogress = false;
|
|
- if (bf_is_ampdu_not_probing(bf))
|
|
- txq->axq_ampdu_depth--;
|
|
- spin_unlock_bh(&txq->axq_lock);
|
|
|
|
- txok = !(txs.ts_status & ATH9K_TXERR_MASK);
|
|
-
|
|
- if (!bf_isampdu(bf)) {
|
|
- if (txs.ts_status & ATH9K_TXERR_XRETRY)
|
|
- bf->bf_state.bf_type |= BUF_XRETRY;
|
|
- ath_tx_rc_status(sc, bf, &txs, 1, txok ? 0 : 1, txok, true);
|
|
- }
|
|
-
|
|
- if (bf_isampdu(bf))
|
|
- ath_tx_complete_aggr(sc, txq, bf, &bf_head, &txs,
|
|
- txok, true);
|
|
- else
|
|
- ath_tx_complete_buf(sc, bf, txq, &bf_head,
|
|
- &txs, txok, 0);
|
|
+ if (list_empty(&txq->txq_fifo[txq->txq_tailidx])) {
|
|
+ INCR(txq->txq_tailidx, ATH_TXFIFO_DEPTH);
|
|
|
|
- spin_lock_bh(&txq->axq_lock);
|
|
+ if (!list_empty(&txq->axq_q)) {
|
|
+ struct list_head bf_q;
|
|
|
|
- if (!list_empty(&txq->txq_fifo_pending)) {
|
|
- INIT_LIST_HEAD(&bf_head);
|
|
- bf = list_first_entry(&txq->txq_fifo_pending,
|
|
- struct ath_buf, list);
|
|
- list_cut_position(&bf_head,
|
|
- &txq->txq_fifo_pending,
|
|
- &bf->bf_lastbf->list);
|
|
- ath_tx_txqaddbuf(sc, txq, &bf_head);
|
|
- } else if (sc->sc_flags & SC_OP_TXAGGR)
|
|
- ath_txq_schedule(sc, txq);
|
|
+ INIT_LIST_HEAD(&bf_q);
|
|
+ txq->axq_link = NULL;
|
|
+ list_splice_tail_init(&txq->axq_q, &bf_q);
|
|
+ ath_tx_txqaddbuf(sc, txq, &bf_q, true);
|
|
+ }
|
|
+ }
|
|
|
|
+ ath_tx_process_buffer(sc, txq, &ts, bf, &bf_head);
|
|
spin_unlock_bh(&txq->axq_lock);
|
|
}
|
|
}
|
|
--- a/net/mac80211/agg-rx.c
|
|
+++ b/net/mac80211/agg-rx.c
|
|
@@ -161,6 +161,8 @@ static void ieee80211_send_addba_resp(st
|
|
memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
|
|
else if (sdata->vif.type == NL80211_IFTYPE_STATION)
|
|
memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
|
|
+ else if (sdata->vif.type == NL80211_IFTYPE_WDS)
|
|
+ memcpy(mgmt->bssid, da, ETH_ALEN);
|
|
|
|
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
|
|
IEEE80211_STYPE_ACTION);
|
|
--- a/net/mac80211/agg-tx.c
|
|
+++ b/net/mac80211/agg-tx.c
|
|
@@ -79,7 +79,8 @@ static void ieee80211_send_addba_request
|
|
memcpy(mgmt->da, da, ETH_ALEN);
|
|
memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
|
|
if (sdata->vif.type == NL80211_IFTYPE_AP ||
|
|
- sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
|
|
+ sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
|
|
+ sdata->vif.type == NL80211_IFTYPE_WDS)
|
|
memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
|
|
else if (sdata->vif.type == NL80211_IFTYPE_STATION)
|
|
memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
|
|
@@ -388,7 +389,8 @@ int ieee80211_start_tx_ba_session(struct
|
|
*/
|
|
if (sdata->vif.type != NL80211_IFTYPE_STATION &&
|
|
sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
|
|
- sdata->vif.type != NL80211_IFTYPE_AP)
|
|
+ sdata->vif.type != NL80211_IFTYPE_AP &&
|
|
+ sdata->vif.type != NL80211_IFTYPE_WDS)
|
|
return -EINVAL;
|
|
|
|
if (test_sta_flags(sta, WLAN_STA_BLOCK_BA)) {
|
|
--- a/net/mac80211/debugfs_sta.c
|
|
+++ b/net/mac80211/debugfs_sta.c
|
|
@@ -59,7 +59,7 @@ static ssize_t sta_flags_read(struct fil
|
|
char buf[100];
|
|
struct sta_info *sta = file->private_data;
|
|
u32 staflags = get_sta_flags(sta);
|
|
- int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s%s",
|
|
+ int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s",
|
|
staflags & WLAN_STA_AUTH ? "AUTH\n" : "",
|
|
staflags & WLAN_STA_ASSOC ? "ASSOC\n" : "",
|
|
staflags & WLAN_STA_PS_STA ? "PS (sta)\n" : "",
|
|
@@ -67,7 +67,6 @@ static ssize_t sta_flags_read(struct fil
|
|
staflags & WLAN_STA_AUTHORIZED ? "AUTHORIZED\n" : "",
|
|
staflags & WLAN_STA_SHORT_PREAMBLE ? "SHORT PREAMBLE\n" : "",
|
|
staflags & WLAN_STA_WME ? "WME\n" : "",
|
|
- staflags & WLAN_STA_WDS ? "WDS\n" : "",
|
|
staflags & WLAN_STA_MFP ? "MFP\n" : "");
|
|
return simple_read_from_buffer(userbuf, count, ppos, buf, res);
|
|
}
|
|
--- a/net/mac80211/iface.c
|
|
+++ b/net/mac80211/iface.c
|
|
@@ -178,7 +178,6 @@ static int ieee80211_do_open(struct net_
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
struct ieee80211_local *local = sdata->local;
|
|
- struct sta_info *sta;
|
|
u32 changed = 0;
|
|
int res;
|
|
u32 hw_reconf_flags = 0;
|
|
@@ -290,27 +289,6 @@ static int ieee80211_do_open(struct net_
|
|
|
|
set_bit(SDATA_STATE_RUNNING, &sdata->state);
|
|
|
|
- if (sdata->vif.type == NL80211_IFTYPE_WDS) {
|
|
- /* Create STA entry for the WDS peer */
|
|
- sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
|
|
- GFP_KERNEL);
|
|
- if (!sta) {
|
|
- res = -ENOMEM;
|
|
- goto err_del_interface;
|
|
- }
|
|
-
|
|
- /* no locking required since STA is not live yet */
|
|
- sta->flags |= WLAN_STA_AUTHORIZED;
|
|
-
|
|
- res = sta_info_insert(sta);
|
|
- if (res) {
|
|
- /* STA has been freed */
|
|
- goto err_del_interface;
|
|
- }
|
|
-
|
|
- rate_control_rate_init(sta);
|
|
- }
|
|
-
|
|
/*
|
|
* set_multicast_list will be invoked by the networking core
|
|
* which will check whether any increments here were done in
|
|
@@ -344,8 +322,7 @@ static int ieee80211_do_open(struct net_
|
|
netif_tx_start_all_queues(dev);
|
|
|
|
return 0;
|
|
- err_del_interface:
|
|
- drv_remove_interface(local, &sdata->vif);
|
|
+
|
|
err_stop:
|
|
if (!local->open_count)
|
|
drv_stop(local);
|
|
@@ -718,6 +695,70 @@ static void ieee80211_if_setup(struct ne
|
|
dev->destructor = free_netdev;
|
|
}
|
|
|
|
+static void ieee80211_wds_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
|
|
+ struct sk_buff *skb)
|
|
+{
|
|
+ struct ieee80211_local *local = sdata->local;
|
|
+ struct ieee80211_rx_status *rx_status;
|
|
+ struct ieee802_11_elems elems;
|
|
+ struct ieee80211_mgmt *mgmt;
|
|
+ struct sta_info *sta;
|
|
+ size_t baselen;
|
|
+ u32 rates = 0;
|
|
+ u16 stype;
|
|
+ bool new = false;
|
|
+ enum ieee80211_band band = local->hw.conf.channel->band;
|
|
+ struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band];
|
|
+
|
|
+ rx_status = IEEE80211_SKB_RXCB(skb);
|
|
+ mgmt = (struct ieee80211_mgmt *) skb->data;
|
|
+ stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE;
|
|
+
|
|
+ if (stype != IEEE80211_STYPE_BEACON)
|
|
+ return;
|
|
+
|
|
+ baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt;
|
|
+ if (baselen > skb->len)
|
|
+ return;
|
|
+
|
|
+ ieee802_11_parse_elems(mgmt->u.probe_resp.variable,
|
|
+ skb->len - baselen, &elems);
|
|
+
|
|
+ rates = ieee80211_sta_get_rates(local, &elems, band);
|
|
+
|
|
+ rcu_read_lock();
|
|
+
|
|
+ sta = sta_info_get(sdata, sdata->u.wds.remote_addr);
|
|
+
|
|
+ if (!sta) {
|
|
+ rcu_read_unlock();
|
|
+ sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
|
|
+ GFP_KERNEL);
|
|
+ if (!sta)
|
|
+ return;
|
|
+
|
|
+ new = true;
|
|
+ }
|
|
+
|
|
+ sta->last_rx = jiffies;
|
|
+ sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
|
|
+
|
|
+ if (elems.ht_cap_elem)
|
|
+ ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
|
|
+ elems.ht_cap_elem, &sta->sta.ht_cap);
|
|
+
|
|
+ if (elems.wmm_param)
|
|
+ set_sta_flags(sta, WLAN_STA_WME);
|
|
+
|
|
+ if (new) {
|
|
+ sta->flags = WLAN_STA_AUTHORIZED;
|
|
+ rate_control_rate_init(sta);
|
|
+ sta_info_insert_rcu(sta);
|
|
+ }
|
|
+
|
|
+ rcu_read_unlock();
|
|
+}
|
|
+
|
|
static void ieee80211_iface_work(struct work_struct *work)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata =
|
|
@@ -822,6 +863,9 @@ static void ieee80211_iface_work(struct
|
|
break;
|
|
ieee80211_mesh_rx_queued_mgmt(sdata, skb);
|
|
break;
|
|
+ case NL80211_IFTYPE_WDS:
|
|
+ ieee80211_wds_rx_queued_mgmt(sdata, skb);
|
|
+ break;
|
|
default:
|
|
WARN(1, "frame for unexpected interface type");
|
|
break;
|
|
--- a/net/mac80211/rx.c
|
|
+++ b/net/mac80211/rx.c
|
|
@@ -2137,7 +2137,8 @@ ieee80211_rx_h_action(struct ieee80211_r
|
|
*/
|
|
if (sdata->vif.type != NL80211_IFTYPE_STATION &&
|
|
sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
|
|
- sdata->vif.type != NL80211_IFTYPE_AP)
|
|
+ sdata->vif.type != NL80211_IFTYPE_AP &&
|
|
+ sdata->vif.type != NL80211_IFTYPE_WDS)
|
|
break;
|
|
|
|
/* verify action_code is present */
|
|
@@ -2335,13 +2336,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
|
|
|
|
if (!ieee80211_vif_is_mesh(&sdata->vif) &&
|
|
sdata->vif.type != NL80211_IFTYPE_ADHOC &&
|
|
- sdata->vif.type != NL80211_IFTYPE_STATION)
|
|
+ sdata->vif.type != NL80211_IFTYPE_STATION &&
|
|
+ sdata->vif.type != NL80211_IFTYPE_WDS)
|
|
return RX_DROP_MONITOR;
|
|
|
|
switch (stype) {
|
|
case cpu_to_le16(IEEE80211_STYPE_BEACON):
|
|
case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP):
|
|
- /* process for all: mesh, mlme, ibss */
|
|
+ /* process for all: mesh, mlme, ibss, wds */
|
|
break;
|
|
case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
|
|
case cpu_to_le16(IEEE80211_STYPE_DISASSOC):
|
|
@@ -2680,10 +2682,16 @@ static int prepare_for_handlers(struct i
|
|
}
|
|
break;
|
|
case NL80211_IFTYPE_WDS:
|
|
- if (bssid || !ieee80211_is_data(hdr->frame_control))
|
|
- return 0;
|
|
if (compare_ether_addr(sdata->u.wds.remote_addr, hdr->addr2))
|
|
return 0;
|
|
+
|
|
+ if (ieee80211_is_data(hdr->frame_control) ||
|
|
+ ieee80211_is_action(hdr->frame_control)) {
|
|
+ if (compare_ether_addr(sdata->vif.addr, hdr->addr1))
|
|
+ return 0;
|
|
+ } else if (!ieee80211_is_beacon(hdr->frame_control))
|
|
+ return 0;
|
|
+
|
|
break;
|
|
default:
|
|
/* should never get here */
|
|
--- a/net/mac80211/sta_info.h
|
|
+++ b/net/mac80211/sta_info.h
|
|
@@ -31,7 +31,6 @@
|
|
* frames.
|
|
* @WLAN_STA_ASSOC_AP: We're associated to that station, it is an AP.
|
|
* @WLAN_STA_WME: Station is a QoS-STA.
|
|
- * @WLAN_STA_WDS: Station is one of our WDS peers.
|
|
* @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the
|
|
* IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next
|
|
* frame to this station is transmitted.
|
|
@@ -54,7 +53,6 @@ enum ieee80211_sta_info_flags {
|
|
WLAN_STA_SHORT_PREAMBLE = 1<<4,
|
|
WLAN_STA_ASSOC_AP = 1<<5,
|
|
WLAN_STA_WME = 1<<6,
|
|
- WLAN_STA_WDS = 1<<7,
|
|
WLAN_STA_CLEAR_PS_FILT = 1<<9,
|
|
WLAN_STA_MFP = 1<<10,
|
|
WLAN_STA_BLOCK_BA = 1<<11,
|
|
--- a/drivers/net/wireless/ath/ath9k/debug.h
|
|
+++ b/drivers/net/wireless/ath/ath9k/debug.h
|
|
@@ -116,6 +116,7 @@ struct ath_tx_stats {
|
|
u32 tx_bytes_all;
|
|
u32 queued;
|
|
u32 completed;
|
|
+ u32 xretries;
|
|
u32 a_aggr;
|
|
u32 a_queued_hw;
|
|
u32 a_queued_sw;
|
|
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
|
|
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
|
|
@@ -4645,10 +4645,16 @@ static void ar9003_hw_set_power_per_rate
|
|
case 1:
|
|
break;
|
|
case 2:
|
|
- scaledPower -= REDUCE_SCALED_POWER_BY_TWO_CHAIN;
|
|
+ if (scaledPower > REDUCE_SCALED_POWER_BY_TWO_CHAIN)
|
|
+ scaledPower -= REDUCE_SCALED_POWER_BY_TWO_CHAIN;
|
|
+ else
|
|
+ scaledPower = 0;
|
|
break;
|
|
case 3:
|
|
- scaledPower -= REDUCE_SCALED_POWER_BY_THREE_CHAIN;
|
|
+ if (scaledPower > REDUCE_SCALED_POWER_BY_THREE_CHAIN)
|
|
+ scaledPower -= REDUCE_SCALED_POWER_BY_THREE_CHAIN;
|
|
+ else
|
|
+ scaledPower = 0;
|
|
break;
|
|
}
|
|
|
|
--- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c
|
|
+++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
|
|
@@ -524,10 +524,16 @@ static void ath9k_hw_set_ar9287_power_pe
|
|
case 1:
|
|
break;
|
|
case 2:
|
|
- scaledPower -= REDUCE_SCALED_POWER_BY_TWO_CHAIN;
|
|
+ if (scaledPower > REDUCE_SCALED_POWER_BY_TWO_CHAIN)
|
|
+ scaledPower -= REDUCE_SCALED_POWER_BY_TWO_CHAIN;
|
|
+ else
|
|
+ scaledPower = 0;
|
|
break;
|
|
case 3:
|
|
- scaledPower -= REDUCE_SCALED_POWER_BY_THREE_CHAIN;
|
|
+ if (scaledPower > REDUCE_SCALED_POWER_BY_THREE_CHAIN)
|
|
+ scaledPower -= REDUCE_SCALED_POWER_BY_THREE_CHAIN;
|
|
+ else
|
|
+ scaledPower = 0;
|
|
break;
|
|
}
|
|
scaledPower = max((u16)0, scaledPower);
|