X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/58dfdd9138513b115776b57de653e314b0b4ba72..4677737b0a940c4be5edc717c9ce5085e4101f24:/package/mac80211/patches/300-pending_work.patch diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch index ecce5beff..371e82bca 100644 --- a/package/mac80211/patches/300-pending_work.patch +++ b/package/mac80211/patches/300-pending_work.patch @@ -1,705 +1,46 @@ ---- 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 { -- 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. +--- a/include/net/cfg80211.h ++++ b/include/net/cfg80211.h +@@ -1122,6 +1122,7 @@ struct cfg80211_ibss_params { + u8 *ssid; + u8 *bssid; + struct ieee80211_channel *channel; ++ enum nl80211_channel_type channel_type; + u8 *ie; + u8 ssid_len, ie_len; + u16 beacon_interval; +@@ -3188,6 +3189,16 @@ void cfg80211_gtk_rekey_notify(struct ne + void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, + const u8 *bssid, bool preauth, gfp_t gfp); + ++/** ++ * cfg80211_can_use_ext_chan - test if ht40 on extension channel can be used ++ * @wiphy: the wiphy ++ * @chan: main channel ++ * @channel_type: HT mode + */ -+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); - } - - 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); -+ } -+ -+ 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; -- } ++bool cfg80211_can_beacon_sec_chan(struct wiphy *wiphy, ++ struct ieee80211_channel *chan, ++ enum nl80211_channel_type channel_type); + - 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); -+ } -+ } + /* Logging, debugging and troubleshooting/diagnostic helpers. */ -+ ath_tx_process_buffer(sc, txq, &ts, bf, &bf_head); - spin_unlock_bh(&txq->axq_lock); - } - } + /* wiphy_printk helpers, similar to dev_printk */ --- a/net/mac80211/agg-rx.c +++ b/net/mac80211/agg-rx.c -@@ -161,6 +161,8 @@ static void ieee80211_send_addba_resp(st +@@ -180,6 +180,10 @@ 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); ++ else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) ++ memcpy(mgmt->bssid, sdata->u.ibss.bssid, 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 +@@ -77,10 +77,13 @@ 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 || @@ -709,35 +50,239 @@ 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 ++ else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) ++ memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN); + + mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | + IEEE80211_STYPE_ACTION); +@@ -397,7 +400,9 @@ 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_ADHOC && + sdata->vif.type != NL80211_IFTYPE_WDS) return -EINVAL; - if (test_sta_flags(sta, WLAN_STA_BLOCK_BA)) { + if (test_sta_flag(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); - } +@@ -63,11 +63,11 @@ static ssize_t sta_flags_read(struct fil + test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : "" + + int res = scnprintf(buf, sizeof(buf), +- "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s", ++ "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s", + TEST(AUTH), TEST(ASSOC), TEST(PS_STA), + TEST(PS_DRIVER), TEST(AUTHORIZED), + TEST(SHORT_PREAMBLE), TEST(ASSOC_AP), +- TEST(WME), TEST(WDS), TEST(CLEAR_PS_FILT), ++ TEST(WME), TEST(CLEAR_PS_FILT), + TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL), + TEST(UAPSD), TEST(SP), TEST(TDLS_PEER), + TEST(TDLS_PEER_AUTH)); +--- a/net/mac80211/ht.c ++++ b/net/mac80211/ht.c +@@ -199,6 +199,8 @@ void ieee80211_send_delba(struct ieee802 + 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_ADHOC) ++ memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN); + + mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | + IEEE80211_STYPE_ACTION); +--- a/net/mac80211/ibss.c ++++ b/net/mac80211/ibss.c +@@ -77,6 +77,7 @@ static void __ieee80211_sta_join_ibss(st + struct cfg80211_bss *bss; + u32 bss_change; + u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; ++ enum nl80211_channel_type channel_type; + + lockdep_assert_held(&ifibss->mtx); + +@@ -104,8 +105,16 @@ static void __ieee80211_sta_join_ibss(st + + sdata->drop_unencrypted = capability & WLAN_CAPABILITY_PRIVACY ? 1 : 0; + +- local->oper_channel = chan; +- WARN_ON(!ieee80211_set_channel_type(local, sdata, NL80211_CHAN_NO_HT)); ++ channel_type = ifibss->channel_type; ++ if (channel_type > NL80211_CHAN_HT20 && ++ !cfg80211_can_beacon_sec_chan(local->hw.wiphy, chan, channel_type)) ++ channel_type = NL80211_CHAN_HT20; ++ if (!ieee80211_set_channel_type(local, sdata, channel_type)) { ++ /* can only fail due to HT40+/- mismatch */ ++ channel_type = NL80211_CHAN_HT20; ++ WARN_ON(!ieee80211_set_channel_type(local, sdata, ++ NL80211_CHAN_HT20)); ++ } + ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); + + sband = local->hw.wiphy->bands[chan->band]; +@@ -171,6 +180,18 @@ static void __ieee80211_sta_join_ibss(st + memcpy(skb_put(skb, ifibss->ie_len), + ifibss->ie, ifibss->ie_len); + ++ /* add HT capability and information IEs */ ++ if (channel_type && sband->ht_cap.ht_supported) { ++ pos = skb_put(skb, 4 + ++ sizeof(struct ieee80211_ht_cap) + ++ sizeof(struct ieee80211_ht_info)); ++ pos = ieee80211_ie_build_ht_cap(pos, sband, sband->ht_cap.cap); ++ pos = ieee80211_ie_build_ht_info(pos, ++ &sband->ht_cap, ++ chan, ++ channel_type); ++ } ++ + if (local->hw.queues >= 4) { + pos = skb_put(skb, 9); + *pos++ = WLAN_EID_VENDOR_SPECIFIC; +@@ -194,6 +215,7 @@ static void __ieee80211_sta_join_ibss(st + bss_change |= BSS_CHANGED_BEACON; + bss_change |= BSS_CHANGED_BEACON_ENABLED; + bss_change |= BSS_CHANGED_BASIC_RATES; ++ bss_change |= BSS_CHANGED_HT; + bss_change |= BSS_CHANGED_IBSS; + sdata->vif.bss_conf.ibss_joined = true; + ieee80211_bss_info_change_notify(sdata, bss_change); +@@ -266,6 +288,7 @@ static void ieee80211_rx_bss_info(struct + u64 beacon_timestamp, rx_timestamp; + u32 supp_rates = 0; + enum ieee80211_band band = rx_status->band; ++ struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band]; + + if (elems->ds_params && elems->ds_params_len == 1) + freq = ieee80211_channel_to_frequency(elems->ds_params[0], +@@ -275,7 +298,10 @@ static void ieee80211_rx_bss_info(struct + + channel = ieee80211_get_channel(local->hw.wiphy, freq); + +- if (!channel || channel->flags & IEEE80211_CHAN_DISABLED) ++ if (!channel || ++ channel->flags & (IEEE80211_CHAN_DISABLED || ++ IEEE80211_CHAN_NO_IBSS || ++ IEEE80211_CHAN_RADAR)) + return; + + if (sdata->vif.type == NL80211_IFTYPE_ADHOC && +@@ -313,8 +339,41 @@ static void ieee80211_rx_bss_info(struct + GFP_ATOMIC); + } + +- if (sta && elems->wmm_info) +- set_sta_flag(sta, WLAN_STA_WME); ++ if (sta) { ++ if (elems->wmm_info) ++ set_sta_flag(sta, WLAN_STA_WME); ++ ++ /* we both use HT */ ++ if (elems->ht_info_elem && elems->ht_cap_elem && ++ sdata->u.ibss.channel_type) { ++ enum nl80211_channel_type channel_type = ++ ieee80211_ht_info_to_channel_type( ++ elems->ht_info_elem); ++ struct ieee80211_sta_ht_cap sta_ht_cap_new; ++ ++ /* ++ * fall back to HT20 if we don't use or use ++ * the other extension channel ++ */ ++ if (channel_type > NL80211_CHAN_HT20 && ++ channel_type != sdata->u.ibss.channel_type) ++ channel_type = NL80211_CHAN_HT20; ++ ++ ieee80211_ht_cap_ie_to_sta_ht_cap(sband, ++ elems->ht_cap_elem, ++ &sta_ht_cap_new); ++ if (memcmp(&sta->sta.ht_cap, &sta_ht_cap_new, ++ sizeof(sta_ht_cap_new))) { ++ memcpy(&sta->sta.ht_cap, ++ &sta_ht_cap_new, ++ sizeof(sta_ht_cap_new)); ++ rate_control_rate_update(local, sband, ++ sta, ++ IEEE80211_RC_HT_CHANGED, ++ channel_type); ++ } ++ } ++ } + + rcu_read_unlock(); + } +@@ -896,10 +955,15 @@ int ieee80211_ibss_join(struct ieee80211 + struct sk_buff *skb; + + skb = dev_alloc_skb(sdata->local->hw.extra_tx_headroom + +- 36 /* bitrates */ + +- 34 /* SSID */ + +- 3 /* DS params */ + +- 4 /* IBSS params */ + ++ sizeof(struct ieee80211_hdr_3addr) + ++ 12 /* struct ieee80211_mgmt.u.beacon */ + ++ 2 + IEEE80211_MAX_SSID_LEN /* max SSID */ + ++ 2 + 8 /* max Supported Rates */ + ++ 3 /* max DS params */ + ++ 4 /* IBSS params */ + ++ 2 + (IEEE80211_MAX_SUPP_RATES - 8) + ++ 2 + sizeof(struct ieee80211_ht_cap) + ++ 2 + sizeof(struct ieee80211_ht_info) + + params->ie_len); + if (!skb) + return -ENOMEM; +@@ -920,13 +984,15 @@ int ieee80211_ibss_join(struct ieee80211 + sdata->vif.bss_conf.beacon_int = params->beacon_interval; + + sdata->u.ibss.channel = params->channel; ++ sdata->u.ibss.channel_type = params->channel_type; + sdata->u.ibss.fixed_channel = params->channel_fixed; + + /* fix ourselves to that channel now already */ + if (params->channel_fixed) { + sdata->local->oper_channel = params->channel; +- WARN_ON(!ieee80211_set_channel_type(sdata->local, sdata, +- NL80211_CHAN_NO_HT)); ++ if (!ieee80211_set_channel_type(sdata->local, sdata, ++ params->channel_type)) ++ return -EINVAL; + } + + if (params->ie) { +--- a/net/mac80211/ieee80211_i.h ++++ b/net/mac80211/ieee80211_i.h +@@ -465,6 +465,7 @@ struct ieee80211_if_ibss { + u8 ssid_len, ie_len; + u8 *ie; + struct ieee80211_channel *channel; ++ enum nl80211_channel_type channel_type; + + unsigned long ibss_join_req; + /* probe response/beacon for IBSS */ +@@ -1339,6 +1340,12 @@ void ieee80211_recalc_smps(struct ieee80 + size_t ieee80211_ie_split(const u8 *ies, size_t ielen, + const u8 *ids, int n_ids, size_t offset); + size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); ++u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_supported_band *sband, ++ u16 cap); ++u8 *ieee80211_ie_build_ht_info(u8 *pos, ++ struct ieee80211_sta_ht_cap *ht_cap, ++ struct ieee80211_channel *channel, ++ enum nl80211_channel_type channel_type); + + /* internal work items */ + void ieee80211_work_init(struct ieee80211_local *local); +@@ -1367,6 +1374,8 @@ ieee80211_get_channel_mode(struct ieee80 + bool ieee80211_set_channel_type(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + enum nl80211_channel_type chantype); ++enum nl80211_channel_type ++ieee80211_ht_info_to_channel_type(struct ieee80211_ht_info *ht_info); + + #ifdef CONFIG_MAC80211_NOINLINE + #define debug_noinline noinline --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -178,7 +178,6 @@ static int ieee80211_do_open(struct net_ @@ -761,8 +306,8 @@ - goto err_del_interface; - } - -- /* no locking required since STA is not live yet */ -- sta->flags |= WLAN_STA_AUTHORIZED; +- /* no atomic bitop required since STA is not live yet */ +- set_sta_flag(sta, WLAN_STA_AUTHORIZED); - - res = sta_info_insert(sta); - if (res) { @@ -786,7 +331,7 @@ err_stop: if (!local->open_count) drv_stop(local); -@@ -718,6 +695,70 @@ static void ieee80211_if_setup(struct ne +@@ -716,6 +693,70 @@ static void ieee80211_if_setup(struct ne dev->destructor = free_netdev; } @@ -843,10 +388,10 @@ + elems.ht_cap_elem, &sta->sta.ht_cap); + + if (elems.wmm_param) -+ set_sta_flags(sta, WLAN_STA_WME); ++ set_sta_flag(sta, WLAN_STA_WME); + + if (new) { -+ sta->flags = WLAN_STA_AUTHORIZED; ++ set_sta_flag(sta, WLAN_STA_AUTHORIZED); + rate_control_rate_init(sta); + sta_info_insert_rcu(sta); + } @@ -857,7 +402,7 @@ 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 +@@ -820,6 +861,9 @@ static void ieee80211_iface_work(struct break; ieee80211_mesh_rx_queued_mgmt(sdata, skb); break; @@ -869,17 +414,18 @@ break; --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c -@@ -2137,7 +2137,8 @@ ieee80211_rx_h_action(struct ieee80211_r +@@ -2211,7 +2211,9 @@ 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_ADHOC && + sdata->vif.type != NL80211_IFTYPE_WDS) break; /* verify action_code is present */ -@@ -2335,13 +2336,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_ +@@ -2426,13 +2428,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_ if (!ieee80211_vif_is_mesh(&sdata->vif) && sdata->vif.type != NL80211_IFTYPE_ADHOC && @@ -896,7 +442,7 @@ 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 +@@ -2775,10 +2778,16 @@ static int prepare_for_handlers(struct i } break; case NL80211_IFTYPE_WDS: @@ -917,7 +463,7 @@ /* should never get here */ --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h -@@ -31,7 +31,6 @@ +@@ -32,7 +32,6 @@ * frames. * @WLAN_STA_ASSOC_AP: We're associated to that station, it is an AP. * @WLAN_STA_WME: Station is a QoS-STA. @@ -925,63 +471,259 @@ * @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; +@@ -61,7 +60,6 @@ enum ieee80211_sta_info_flags { + WLAN_STA_SHORT_PREAMBLE, + WLAN_STA_ASSOC_AP, + WLAN_STA_WME, +- WLAN_STA_WDS, + WLAN_STA_CLEAR_PS_FILT, + WLAN_STA_MFP, + WLAN_STA_BLOCK_BA, +--- a/net/mac80211/util.c ++++ b/net/mac80211/util.c +@@ -836,23 +836,8 @@ int ieee80211_build_preq_ies(struct ieee + offset = noffset; } ---- 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; +- if (sband->ht_cap.ht_supported) { +- u16 cap = sband->ht_cap.cap; +- __le16 tmp; +- +- *pos++ = WLAN_EID_HT_CAPABILITY; +- *pos++ = sizeof(struct ieee80211_ht_cap); +- memset(pos, 0, sizeof(struct ieee80211_ht_cap)); +- tmp = cpu_to_le16(cap); +- memcpy(pos, &tmp, sizeof(u16)); +- pos += sizeof(u16); +- *pos++ = sband->ht_cap.ampdu_factor | +- (sband->ht_cap.ampdu_density << +- IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT); +- memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs)); +- pos += sizeof(sband->ht_cap.mcs); +- pos += 2 + 4 + 1; /* ext info, BF cap, antsel */ +- } ++ if (sband->ht_cap.ht_supported) ++ pos = ieee80211_ie_build_ht_cap(pos, sband, sband->ht_cap.cap); + + /* + * If adding more here, adjust code in main.c +@@ -1443,3 +1428,100 @@ int ieee80211_add_ext_srates_ie(struct i + } + return 0; + } ++ ++u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_supported_band *sband, ++ u16 cap) ++{ ++ __le16 tmp; ++ ++ *pos++ = WLAN_EID_HT_CAPABILITY; ++ *pos++ = sizeof(struct ieee80211_ht_cap); ++ memset(pos, 0, sizeof(struct ieee80211_ht_cap)); ++ ++ /* capability flags */ ++ tmp = cpu_to_le16(cap); ++ memcpy(pos, &tmp, sizeof(u16)); ++ pos += sizeof(u16); ++ ++ /* AMPDU parameters */ ++ *pos++ = sband->ht_cap.ampdu_factor | ++ (sband->ht_cap.ampdu_density << ++ IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT); ++ ++ /* MCS set */ ++ memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs)); ++ pos += sizeof(sband->ht_cap.mcs); ++ ++ /* extended capabilities */ ++ pos += sizeof(__le16); ++ ++ /* BF capabilities */ ++ pos += sizeof(__le32); ++ ++ /* antenna selection */ ++ pos += sizeof(u8); ++ ++ return pos; ++} ++ ++u8 *ieee80211_ie_build_ht_info(u8 *pos, ++ struct ieee80211_sta_ht_cap *ht_cap, ++ struct ieee80211_channel *channel, ++ enum nl80211_channel_type channel_type) ++{ ++ struct ieee80211_ht_info *ht_info; ++ /* Build HT Information */ ++ *pos++ = WLAN_EID_HT_INFORMATION; ++ *pos++ = sizeof(struct ieee80211_ht_info); ++ ht_info = (struct ieee80211_ht_info *)pos; ++ ht_info->control_chan = ++ ieee80211_frequency_to_channel(channel->center_freq); ++ switch (channel_type) { ++ case NL80211_CHAN_HT40MINUS: ++ ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_BELOW; ++ break; ++ case NL80211_CHAN_HT40PLUS: ++ ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_ABOVE; ++ break; ++ case NL80211_CHAN_HT20: ++ default: ++ ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_NONE; ++ break; ++ } ++ if (ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) ++ ht_info->ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY; ++ ht_info->operation_mode = 0x0000; ++ ht_info->stbc_param = 0x0000; ++ ++ /* It seems that Basic MCS set and Supported MCS set ++ are identical for the first 10 bytes */ ++ memset(&ht_info->basic_set, 0, 16); ++ memcpy(&ht_info->basic_set, &ht_cap->mcs, 10); ++ ++ return pos + sizeof(struct ieee80211_ht_info); ++} ++ ++enum nl80211_channel_type ++ieee80211_ht_info_to_channel_type(struct ieee80211_ht_info *ht_info) ++{ ++ enum nl80211_channel_type channel_type; ++ ++ if (!ht_info) ++ return NL80211_CHAN_NO_HT; ++ ++ switch (ht_info->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) { ++ case IEEE80211_HT_PARAM_CHA_SEC_NONE: ++ channel_type = NL80211_CHAN_HT20; ++ break; ++ case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: ++ channel_type = NL80211_CHAN_HT40PLUS; ++ break; ++ case IEEE80211_HT_PARAM_CHA_SEC_BELOW: ++ channel_type = NL80211_CHAN_HT40MINUS; ++ break; ++ default: ++ channel_type = NL80211_CHAN_NO_HT; ++ } ++ ++ return channel_type; ++} +--- a/net/mac80211/work.c ++++ b/net/mac80211/work.c +@@ -118,7 +118,6 @@ static void ieee80211_add_ht_ie(struct s + u8 *pos; + u32 flags = channel->flags; + u16 cap = sband->ht_cap.cap; +- __le16 tmp; + + if (!sband->ht_cap.ht_supported) + return; +@@ -169,34 +168,8 @@ static void ieee80211_add_ht_ie(struct s + } + + /* reserve and fill IE */ +- + pos = skb_put(skb, sizeof(struct ieee80211_ht_cap) + 2); +- *pos++ = WLAN_EID_HT_CAPABILITY; +- *pos++ = sizeof(struct ieee80211_ht_cap); +- memset(pos, 0, sizeof(struct ieee80211_ht_cap)); +- +- /* capability flags */ +- tmp = cpu_to_le16(cap); +- memcpy(pos, &tmp, sizeof(u16)); +- pos += sizeof(u16); +- +- /* AMPDU parameters */ +- *pos++ = sband->ht_cap.ampdu_factor | +- (sband->ht_cap.ampdu_density << +- IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT); +- +- /* MCS set */ +- memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs)); +- pos += sizeof(sband->ht_cap.mcs); +- +- /* extended capabilities */ +- pos += sizeof(__le16); +- +- /* BF capabilities */ +- pos += sizeof(__le32); +- +- /* antenna selection */ +- pos += sizeof(u8); ++ ieee80211_ie_build_ht_cap(pos, sband, cap); + } + + static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata, +--- a/net/wireless/chan.c ++++ b/net/wireless/chan.c +@@ -44,9 +44,9 @@ rdev_freq_to_chan(struct cfg80211_regist + return chan; + } + +-static bool can_beacon_sec_chan(struct wiphy *wiphy, +- struct ieee80211_channel *chan, +- enum nl80211_channel_type channel_type) ++bool cfg80211_can_beacon_sec_chan(struct wiphy *wiphy, ++ struct ieee80211_channel *chan, ++ enum nl80211_channel_type channel_type) + { + struct ieee80211_channel *sec_chan; + int diff; +@@ -75,6 +75,7 @@ static bool can_beacon_sec_chan(struct w + + return true; + } ++EXPORT_SYMBOL(cfg80211_can_beacon_sec_chan); + + int cfg80211_set_freq(struct cfg80211_registered_device *rdev, + struct wireless_dev *wdev, int freq, +@@ -109,8 +110,8 @@ int cfg80211_set_freq(struct cfg80211_re + switch (channel_type) { + case NL80211_CHAN_HT40PLUS: + case NL80211_CHAN_HT40MINUS: +- if (!can_beacon_sec_chan(&rdev->wiphy, chan, +- channel_type)) { ++ if (!cfg80211_can_beacon_sec_chan(&rdev->wiphy, chan, ++ channel_type)) { + printk(KERN_DEBUG + "cfg80211: Secondary channel not " + "allowed to initiate communication\n"); +--- a/net/wireless/nl80211.c ++++ b/net/wireless/nl80211.c +@@ -4574,13 +4574,34 @@ static int nl80211_join_ibss(struct sk_b + ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); } - scaledPower = max((u16)0, scaledPower); + +- ibss.channel = ieee80211_get_channel(wiphy, +- nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); ++ if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { ++ enum nl80211_channel_type channel_type; ++ ++ channel_type = nla_get_u32( ++ info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); ++ if (channel_type > NL80211_CHAN_HT40PLUS) ++ return -EINVAL; ++ ibss.channel_type = channel_type; ++ } else { ++ ibss.channel_type = NL80211_CHAN_NO_HT; ++ } ++ ++ ibss.channel = rdev_freq_to_chan(rdev, ++ nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]), ++ ibss.channel_type); + if (!ibss.channel || ++ ibss.channel->flags & IEEE80211_CHAN_RADAR || + ibss.channel->flags & IEEE80211_CHAN_NO_IBSS || + ibss.channel->flags & IEEE80211_CHAN_DISABLED) + return -EINVAL; + ++ /* Both channels should be able to initiate communication */ ++ if ((ibss.channel_type == NL80211_CHAN_HT40PLUS || ++ ibss.channel_type == NL80211_CHAN_HT40MINUS) && ++ !cfg80211_can_beacon_sec_chan(&rdev->wiphy, ibss.channel, ++ ibss.channel_type)) ++ return -EINVAL; ++ + ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; + ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; +