diff options
Diffstat (limited to 'package/mac80211/patches/300-pending_work.patch')
| -rw-r--r-- | package/mac80211/patches/300-pending_work.patch | 1058 |
1 files changed, 976 insertions, 82 deletions
diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch index 15e6bd0dc..782f7d787 100644 --- a/package/mac80211/patches/300-pending_work.patch +++ b/package/mac80211/patches/300-pending_work.patch @@ -1,93 +1,987 @@ ---- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c -+++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c -@@ -829,7 +829,7 @@ static bool ar9002_hw_init_cal(struct at - if (AR_SREV_9271(ah)) { - if (!ar9285_hw_cl_cal(ah, chan)) - return false; -- } else if (AR_SREV_9285_12_OR_LATER(ah)) { -+ } else if (AR_SREV_9285(ah) && AR_SREV_9285_12_OR_LATER(ah)) { - if (!ar9285_hw_clc(ah, chan)) - return false; +--- a/drivers/net/wireless/ath/ath9k/hw.h ++++ b/drivers/net/wireless/ath/ath9k/hw.h +@@ -603,7 +603,6 @@ struct ath_hw_ops { + int power_off); + void (*rx_enable)(struct ath_hw *ah); + void (*set_desc_link)(void *ds, u32 link); +- void (*get_desc_link)(void *ds, u32 **link); + bool (*calibrate)(struct ath_hw *ah, + struct ath9k_channel *chan, + u8 rxchainmask, +--- a/drivers/net/wireless/ath/ath9k/main.c ++++ b/drivers/net/wireless/ath/ath9k/main.c +@@ -62,8 +62,6 @@ static bool ath9k_has_pending_frames(str + + if (txq->axq_depth || !list_empty(&txq->axq_acq)) + pending = true; +- else if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) +- pending = !list_empty(&txq->txq_fifo_pending); + + spin_unlock_bh(&txq->axq_lock); + return pending; +--- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c ++++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c +@@ -28,11 +28,6 @@ static void ar9002_hw_set_desc_link(void + ((struct ath_desc*) ds)->ds_link = ds_link; + } + +-static void ar9002_hw_get_desc_link(void *ds, u32 **ds_link) +-{ +- *ds_link = &((struct ath_desc *)ds)->ds_link; +-} +- + static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked) + { + u32 isr = 0; +@@ -437,7 +432,6 @@ void ar9002_hw_attach_mac_ops(struct ath + + ops->rx_enable = ar9002_hw_rx_enable; + ops->set_desc_link = ar9002_hw_set_desc_link; +- ops->get_desc_link = ar9002_hw_get_desc_link; + ops->get_isr = ar9002_hw_get_isr; + ops->fill_txdesc = ar9002_hw_fill_txdesc; + ops->proc_txdesc = ar9002_hw_proc_txdesc; +--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c ++++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c +@@ -43,13 +43,6 @@ static void ar9003_hw_set_desc_link(void + ads->ctl10 |= ar9003_calc_ptr_chksum(ads); + } + +-static void ar9003_hw_get_desc_link(void *ds, u32 **ds_link) +-{ +- struct ar9003_txc *ads = ds; +- +- *ds_link = &ads->link; +-} +- + static bool ar9003_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked) + { + u32 isr = 0; +@@ -498,7 +491,6 @@ void ar9003_hw_attach_mac_ops(struct ath + + ops->rx_enable = ar9003_hw_rx_enable; + ops->set_desc_link = ar9003_hw_set_desc_link; +- ops->get_desc_link = ar9003_hw_get_desc_link; + ops->get_isr = ar9003_hw_get_isr; + ops->fill_txdesc = ar9003_hw_fill_txdesc; + ops->proc_txdesc = ar9003_hw_proc_txdesc; +--- a/drivers/net/wireless/ath/ath9k/ath9k.h ++++ b/drivers/net/wireless/ath/ath9k/ath9k.h +@@ -179,7 +179,7 @@ enum ATH_AGGR_STATUS { + struct ath_txq { + int mac80211_qnum; /* mac80211 queue number, -1 means not mac80211 Q */ + u32 axq_qnum; /* ath9k hardware queue number */ +- u32 *axq_link; ++ void *axq_link; + struct list_head axq_q; + spinlock_t axq_lock; + u32 axq_depth; +@@ -188,7 +188,6 @@ struct ath_txq { + bool axq_tx_inprogress; + struct list_head axq_acq; + struct list_head txq_fifo[ATH_TXFIFO_DEPTH]; +- struct list_head txq_fifo_pending; + u8 txq_headidx; + u8 txq_tailidx; + int pending_frames; +--- a/drivers/net/wireless/ath/ath9k/debug.c ++++ b/drivers/net/wireless/ath/ath9k/debug.c +@@ -550,6 +550,7 @@ static ssize_t read_file_xmit(struct fil + + PR("MPDUs Queued: ", queued); + PR("MPDUs Completed: ", completed); ++ PR("MPDUs XRetried: ", xretries); + PR("Aggregates: ", a_aggr); + PR("AMPDUs Queued HW:", a_queued_hw); + PR("AMPDUs Queued SW:", a_queued_sw); +@@ -587,7 +588,6 @@ static ssize_t read_file_xmit(struct fil + + PRQLE("axq_q empty: ", axq_q); + PRQLE("axq_acq empty: ", axq_acq); +- PRQLE("txq_fifo_pending: ", txq_fifo_pending); + for (i = 0; i < ATH_TXFIFO_DEPTH; i++) { + snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i); + PRQLE(tmp, txq_fifo[i]); +@@ -807,7 +807,10 @@ void ath_debug_stat_tx(struct ath_softc + else + TX_STAT_INC(qnum, a_completed); } else { ---- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c -+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c -@@ -1381,3 +1381,25 @@ void ar9003_hw_bb_watchdog_dbg_info(stru - "==== BB update: done ====\n\n"); +- TX_STAT_INC(qnum, completed); ++ if (bf_isxretried(bf)) ++ TX_STAT_INC(qnum, xretries); ++ else ++ TX_STAT_INC(qnum, completed); + } + + if (ts->ts_status & ATH9K_TXERR_FIFO) +--- a/drivers/net/wireless/ath/ath9k/hw-ops.h ++++ b/drivers/net/wireless/ath/ath9k/hw-ops.h +@@ -39,11 +39,6 @@ static inline void ath9k_hw_set_desc_lin + ath9k_hw_ops(ah)->set_desc_link(ds, link); + } + +-static inline void ath9k_hw_get_desc_link(struct ath_hw *ah, void *ds, +- u32 **link) +-{ +- ath9k_hw_ops(ah)->get_desc_link(ds, link); +-} + static inline bool ath9k_hw_calibrate(struct ath_hw *ah, + struct ath9k_channel *chan, + u8 rxchainmask, +--- a/drivers/net/wireless/ath/ath9k/xmit.c ++++ b/drivers/net/wireless/ath/ath9k/xmit.c +@@ -53,7 +53,7 @@ static void ath_tx_complete_buf(struct a + struct ath_txq *txq, struct list_head *bf_q, + struct ath_tx_status *ts, int txok, int sendbar); + static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq, +- struct list_head *head); ++ struct list_head *head, bool internal); + static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len); + static void ath_tx_rc_status(struct ath_softc *sc, struct ath_buf *bf, + struct ath_tx_status *ts, int nframes, int nbad, +@@ -377,8 +377,7 @@ static void ath_tx_complete_aggr(struct + bf_next = bf->bf_next; + + bf->bf_state.bf_type |= BUF_XRETRY; +- if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) || +- !bf->bf_stale || bf_next != NULL) ++ if (!bf->bf_stale || bf_next != NULL) + list_move_tail(&bf->list, &bf_head); + + ath_tx_rc_status(sc, bf, ts, 1, 1, 0, false); +@@ -463,20 +462,14 @@ static void ath_tx_complete_aggr(struct + } + } + +- if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) && +- bf_next == NULL) { +- /* +- * Make sure the last desc is reclaimed if it +- * not a holding desc. +- */ +- if (!bf_last->bf_stale) +- list_move_tail(&bf->list, &bf_head); +- else +- INIT_LIST_HEAD(&bf_head); +- } else { +- BUG_ON(list_empty(bf_q)); ++ /* ++ * Make sure the last desc is reclaimed if it ++ * not a holding desc. ++ */ ++ if (!bf_last->bf_stale || bf_next != NULL) + list_move_tail(&bf->list, &bf_head); +- } ++ else ++ INIT_LIST_HEAD(&bf_head); + + if (!txpending || (tid->state & AGGR_CLEANUP)) { + /* +@@ -837,7 +830,7 @@ static void ath_tx_sched_aggr(struct ath + bf->bf_state.bf_type &= ~BUF_AGGR; + ath9k_hw_clr11n_aggr(sc->sc_ah, bf->bf_desc); + ath_buf_set_rate(sc, bf, fi->framelen); +- ath_tx_txqaddbuf(sc, txq, &bf_q); ++ ath_tx_txqaddbuf(sc, txq, &bf_q, false); + continue; + } + +@@ -849,7 +842,7 @@ static void ath_tx_sched_aggr(struct ath + /* anchor last desc of aggregate */ + ath9k_hw_set11n_aggr_last(sc->sc_ah, bf->bf_lastbf->bf_desc); + +- ath_tx_txqaddbuf(sc, txq, &bf_q); ++ ath_tx_txqaddbuf(sc, txq, &bf_q, false); + TX_STAT_INC(txq->axq_qnum, a_aggr); + + } while (txq->axq_ampdu_depth < ATH_AGGR_MIN_QDEPTH && +@@ -1085,7 +1078,6 @@ struct ath_txq *ath_txq_setup(struct ath + txq->txq_headidx = txq->txq_tailidx = 0; + for (i = 0; i < ATH_TXFIFO_DEPTH; i++) + INIT_LIST_HEAD(&txq->txq_fifo[i]); +- INIT_LIST_HEAD(&txq->txq_fifo_pending); + } + return &sc->tx.txq[axq_qnum]; + } +@@ -1155,13 +1147,8 @@ static bool bf_is_ampdu_not_probing(stru + return bf_isampdu(bf) && !(info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE); + } + +-/* +- * Drain a given TX queue (could be Beacon or Data) +- * +- * This assumes output has been stopped and +- * we do not need to block ath_tx_tasklet. +- */ +-void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx) ++static void ath_drain_txq_list(struct ath_softc *sc, struct ath_txq *txq, ++ struct list_head *list, bool retry_tx) + { + struct ath_buf *bf, *lastbf; + struct list_head bf_head; +@@ -1170,93 +1157,63 @@ void ath_draintxq(struct ath_softc *sc, + memset(&ts, 0, sizeof(ts)); + INIT_LIST_HEAD(&bf_head); + +- for (;;) { +- spin_lock_bh(&txq->axq_lock); ++ while (!list_empty(list)) { ++ bf = list_first_entry(list, struct ath_buf, list); + +- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { +- if (list_empty(&txq->txq_fifo[txq->txq_tailidx])) { +- txq->txq_headidx = txq->txq_tailidx = 0; +- spin_unlock_bh(&txq->axq_lock); +- break; +- } else { +- bf = list_first_entry(&txq->txq_fifo[txq->txq_tailidx], +- struct ath_buf, list); +- } +- } else { +- if (list_empty(&txq->axq_q)) { +- txq->axq_link = NULL; +- spin_unlock_bh(&txq->axq_lock); +- break; +- } +- bf = list_first_entry(&txq->axq_q, struct ath_buf, +- list); +- +- if (bf->bf_stale) { +- list_del(&bf->list); +- spin_unlock_bh(&txq->axq_lock); ++ if (bf->bf_stale) { ++ list_del(&bf->list); + +- ath_tx_return_buffer(sc, bf); +- continue; +- } ++ ath_tx_return_buffer(sc, bf); ++ continue; + } + + lastbf = bf->bf_lastbf; +- +- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { +- list_cut_position(&bf_head, +- &txq->txq_fifo[txq->txq_tailidx], +- &lastbf->list); +- INCR(txq->txq_tailidx, ATH_TXFIFO_DEPTH); +- } else { +- /* remove ath_buf's of the same mpdu from txq */ +- list_cut_position(&bf_head, &txq->axq_q, &lastbf->list); +- } ++ list_cut_position(&bf_head, list, &lastbf->list); + + txq->axq_depth--; + if (bf_is_ampdu_not_probing(bf)) + txq->axq_ampdu_depth--; +- spin_unlock_bh(&txq->axq_lock); + ++ spin_unlock_bh(&txq->axq_lock); + if (bf_isampdu(bf)) + ath_tx_complete_aggr(sc, txq, bf, &bf_head, &ts, 0, + retry_tx); + else + ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0, 0); ++ spin_lock_bh(&txq->axq_lock); + } ++} + ++/* ++ * Drain a given TX queue (could be Beacon or Data) ++ * ++ * This assumes output has been stopped and ++ * we do not need to block ath_tx_tasklet. ++ */ ++void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx) ++{ + spin_lock_bh(&txq->axq_lock); +- txq->axq_tx_inprogress = false; +- spin_unlock_bh(&txq->axq_lock); +- + if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { +- spin_lock_bh(&txq->axq_lock); +- while (!list_empty(&txq->txq_fifo_pending)) { +- 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); +- spin_unlock_bh(&txq->axq_lock); ++ int idx = txq->txq_tailidx; + +- if (bf_isampdu(bf)) +- ath_tx_complete_aggr(sc, txq, bf, &bf_head, +- &ts, 0, retry_tx); +- else +- ath_tx_complete_buf(sc, bf, txq, &bf_head, +- &ts, 0, 0); +- spin_lock_bh(&txq->axq_lock); ++ while (!list_empty(&txq->txq_fifo[idx])) { ++ ath_drain_txq_list(sc, txq, &txq->txq_fifo[idx], ++ retry_tx); ++ ++ INCR(idx, ATH_TXFIFO_DEPTH); + } +- spin_unlock_bh(&txq->axq_lock); ++ txq->txq_tailidx = idx; + } + ++ txq->axq_link = NULL; ++ txq->axq_tx_inprogress = false; ++ ath_drain_txq_list(sc, txq, &txq->axq_q, retry_tx); ++ + /* flush any pending frames if aggregation is enabled */ +- if (sc->sc_flags & SC_OP_TXAGGR) { +- if (!retry_tx) { +- spin_lock_bh(&txq->axq_lock); +- ath_txq_drain_pending_buffers(sc, txq); +- spin_unlock_bh(&txq->axq_lock); +- } +- } ++ if ((sc->sc_flags & SC_OP_TXAGGR) && !retry_tx) ++ ath_txq_drain_pending_buffers(sc, txq); ++ ++ spin_unlock_bh(&txq->axq_lock); } - EXPORT_SYMBOL(ar9003_hw_bb_watchdog_dbg_info); + + bool ath_drain_all_txq(struct ath_softc *sc, bool retry_tx) +@@ -1370,11 +1327,13 @@ void ath_txq_schedule(struct ath_softc * + * assume the descriptors are already chained together by caller. + */ + static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq, +- struct list_head *head) ++ struct list_head *head, bool internal) + { + struct ath_hw *ah = sc->sc_ah; + struct ath_common *common = ath9k_hw_common(ah); +- struct ath_buf *bf; ++ struct ath_buf *bf, *bf_last; ++ bool puttxbuf = false; ++ bool edma; + + /* + * Insert the frame on the outbound list and +@@ -1384,51 +1343,49 @@ static void ath_tx_txqaddbuf(struct ath_ + if (list_empty(head)) + return; + ++ edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA); + bf = list_first_entry(head, struct ath_buf, list); ++ bf_last = list_entry(head->prev, struct ath_buf, list); + + ath_dbg(common, ATH_DBG_QUEUE, + "qnum: %d, txq depth: %d\n", txq->axq_qnum, txq->axq_depth); + +- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { +- if (txq->axq_depth >= ATH_TXFIFO_DEPTH) { +- list_splice_tail_init(head, &txq->txq_fifo_pending); +- return; +- } +- if (!list_empty(&txq->txq_fifo[txq->txq_headidx])) +- ath_dbg(common, ATH_DBG_XMIT, +- "Initializing tx fifo %d which is non-empty\n", +- txq->txq_headidx); +- INIT_LIST_HEAD(&txq->txq_fifo[txq->txq_headidx]); +- list_splice_init(head, &txq->txq_fifo[txq->txq_headidx]); ++ if (edma && list_empty(&txq->txq_fifo[txq->txq_headidx])) { ++ list_splice_tail_init(head, &txq->txq_fifo[txq->txq_headidx]); + INCR(txq->txq_headidx, ATH_TXFIFO_DEPTH); +- 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); ++ } + -+void ar9003_hw_disable_phy_restart(struct ath_hw *ah) ++ 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) +{ -+ u32 val; -+ -+ /* While receiving unsupported rate frame rx state machine -+ * gets into a state 0xb and if phy_restart happens in that -+ * state, BB would go hang. If RXSM is in 0xb state after -+ * first bb panic, ensure to disable the phy_restart. -+ */ -+ if (!((MS(ah->bb_watchdog_last_status, -+ AR_PHY_WATCHDOG_RX_OFDM_SM) == 0xb) || -+ ah->bb_hang_rx_ofdm)) -+ return; ++ 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--; + -+ ah->bb_hang_rx_ofdm = true; -+ val = REG_READ(ah, AR_PHY_RESTART); -+ val &= ~AR_PHY_RESTART_ENA; ++ spin_unlock_bh(&txq->axq_lock); + -+ REG_WRITE(ah, AR_PHY_RESTART, val); ++ 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); +} -+EXPORT_SYMBOL(ar9003_hw_disable_phy_restart); ---- a/drivers/net/wireless/ath/ath9k/hw.c -+++ b/drivers/net/wireless/ath/ath9k/hw.c -@@ -1555,9 +1555,12 @@ int ath9k_hw_reset(struct ath_hw *ah, st - if (ah->btcoex_hw.enabled) - ath9k_hw_btcoex_enable(ah); - -- if (AR_SREV_9300_20_OR_LATER(ah)) -+ if (AR_SREV_9300_20_OR_LATER(ah)) { - ar9003_hw_bb_watchdog_config(ah); - -+ ar9003_hw_disable_phy_restart(ah); -+ } + - ath9k_hw_apply_gpio_override(ah); + 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; - return 0; ---- a/drivers/net/wireless/ath/ath9k/hw.h -+++ b/drivers/net/wireless/ath/ath9k/hw.h -@@ -842,6 +842,7 @@ struct ath_hw { - - u32 bb_watchdog_last_status; - u32 bb_watchdog_timeout_ms; /* in ms, 0 to disable */ -+ u8 bb_hang_rx_ofdm; /* true if bb hang due to rx_ofdm */ - - unsigned int paprd_target_power; - unsigned int paprd_training_power; -@@ -990,6 +991,7 @@ void ar9002_hw_enable_wep_aggregation(st - void ar9003_hw_bb_watchdog_config(struct ath_hw *ah); - void ar9003_hw_bb_watchdog_read(struct ath_hw *ah); - void ar9003_hw_bb_watchdog_dbg_info(struct ath_hw *ah); -+void ar9003_hw_disable_phy_restart(struct ath_hw *ah); - void ar9003_paprd_enable(struct ath_hw *ah, bool val); - void ar9003_paprd_populate_single_table(struct ath_hw *ah, - struct ath9k_hw_cal_data *caldata, ---- a/drivers/net/wireless/ath/ath9k/main.c -+++ b/drivers/net/wireless/ath/ath9k/main.c -@@ -670,7 +670,8 @@ void ath9k_tasklet(unsigned long data) - u32 status = sc->intrstatus; - u32 rxmask; - -- if (status & ATH9K_INT_FATAL) { -+ if ((status & ATH9K_INT_FATAL) || -+ (status & ATH9K_INT_BB_WATCHDOG)) { - ath_reset(sc, true); - return; + 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); } -@@ -737,6 +738,7 @@ irqreturn_t ath_isr(int irq, void *dev) ++ 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_ { - #define SCHED_INTR ( \ - ATH9K_INT_FATAL | \ -+ ATH9K_INT_BB_WATCHDOG | \ - ATH9K_INT_RXORN | \ - ATH9K_INT_RXEOL | \ - ATH9K_INT_RX | \ + 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); |