diff options
Diffstat (limited to 'package/mac80211/patches/425-rewrite-rate-api.patch')
| -rw-r--r-- | package/mac80211/patches/425-rewrite-rate-api.patch | 3005 |
1 files changed, 0 insertions, 3005 deletions
diff --git a/package/mac80211/patches/425-rewrite-rate-api.patch b/package/mac80211/patches/425-rewrite-rate-api.patch deleted file mode 100644 index c0652a0b0d..0000000000 --- a/package/mac80211/patches/425-rewrite-rate-api.patch +++ /dev/null @@ -1,3005 +0,0 @@ -Subject: mac80211/drivers: rewrite the rate control API - -So after the previous changes we were still unhappy with how -convoluted the API is and decided to make things simpler for -everybody. This completely changes the rate control API, now -taking into account 802.11n with MCS rates and more control, -most drivers don't support that though. - -Signed-off-by: Felix Fietkau <nbd@openwrt.org> -Signed-off-by: Johannes Berg <johannes@sipsolutions.net> ---- - drivers/net/wireless/adm8211.c | 21 - - drivers/net/wireless/ath5k/base.c | 34 +- - drivers/net/wireless/ath9k/main.c | 18 - - drivers/net/wireless/ath9k/rc.c | 40 +-- - drivers/net/wireless/ath9k/xmit.c | 28 +- - drivers/net/wireless/b43/dma.c | 4 - drivers/net/wireless/b43/main.c | 2 - drivers/net/wireless/b43/pio.c | 4 - drivers/net/wireless/b43/xmit.c | 60 +++- - drivers/net/wireless/b43/xmit.h | 5 - drivers/net/wireless/b43legacy/dma.c | 46 ++- - drivers/net/wireless/b43legacy/main.c | 2 - drivers/net/wireless/b43legacy/pio.c | 31 ++ - drivers/net/wireless/b43legacy/xmit.c | 26 +- - drivers/net/wireless/b43legacy/xmit.h | 2 - drivers/net/wireless/iwlwifi/iwl-3945-rs.c | 57 +--- - drivers/net/wireless/iwlwifi/iwl-3945.c | 62 ++++- - drivers/net/wireless/iwlwifi/iwl-3945.h | 2 - drivers/net/wireless/iwlwifi/iwl-4965.c | 8 - drivers/net/wireless/iwlwifi/iwl-5000.c | 8 - drivers/net/wireless/iwlwifi/iwl-agn-rs.c | 37 +- - drivers/net/wireless/iwlwifi/iwl-core.c | 19 - - drivers/net/wireless/iwlwifi/iwl3945-base.c | 5 - drivers/net/wireless/libertas_tf/main.c | 4 - drivers/net/wireless/mac80211_hwsim.c | 12 - drivers/net/wireless/p54/p54common.c | 16 - - drivers/net/wireless/rt2x00/rt2x00dev.c | 11 - drivers/net/wireless/rt2x00/rt2x00mac.c | 14 - - drivers/net/wireless/rt2x00/rt2x00queue.c | 11 - drivers/net/wireless/rtl8180_dev.c | 28 +- - drivers/net/wireless/rtl8187_dev.c | 10 - drivers/net/wireless/zd1211rw/zd_mac.c | 28 +- - include/net/mac80211.h | 206 +++++++++------- - net/mac80211/ieee80211_i.h | 8 - net/mac80211/main.c | 54 +++- - net/mac80211/mesh_hwmp.c | 6 - net/mac80211/rate.c | 50 +--- - net/mac80211/rate.h | 5 - net/mac80211/rc80211_minstrel.c | 72 ++--- - net/mac80211/rc80211_pid.h | 1 - net/mac80211/rc80211_pid_algo.c | 26 +- - net/mac80211/rc80211_pid_debugfs.c | 5 - net/mac80211/sta_info.h | 4 - net/mac80211/tx.c | 347 +++++++++++----------------- - net/mac80211/wext.c | 4 - 45 files changed, 781 insertions(+), 662 deletions(-) - ---- a/include/net/mac80211.h -+++ b/include/net/mac80211.h -@@ -222,29 +222,24 @@ struct ieee80211_bss_conf { - * These flags are used with the @flags member of &ieee80211_tx_info. - * - * @IEEE80211_TX_CTL_REQ_TX_STATUS: request TX status callback for this frame. -- * @IEEE80211_TX_CTL_USE_RTS_CTS: use RTS-CTS before sending frame -- * @IEEE80211_TX_CTL_USE_CTS_PROTECT: use CTS protection for the frame (e.g., -- * for combined 802.11g / 802.11b networks) -+ * @IEEE80211_TX_CTL_ASSIGN_SEQ: The driver has to assign a sequence -+ * number to this frame, taking care of not overwriting the fragment -+ * number and increasing the sequence number only when the -+ * IEEE80211_TX_CTL_FIRST_FRAGMENT flags is set. mac80211 will properly -+ * assign sequence numbers to QoS-data frames but cannot do so correctly -+ * for non-QoS-data and management frames because beacons need them from -+ * that counter as well and mac80211 cannot guarantee proper sequencing. -+ * If this flag is set, the driver should instruct the hardware to -+ * assign a sequence number to the frame or assign one itself. Cf. IEEE -+ * 802.11-2007 7.1.3.4.1 paragraph 3. This flag will always be set for -+ * beacons always be clear for frames without a sequence number field. - * @IEEE80211_TX_CTL_NO_ACK: tell the low level not to wait for an ack -- * @IEEE80211_TX_CTL_RATE_CTRL_PROBE: TBD - * @IEEE80211_TX_CTL_CLEAR_PS_FILT: clear powersave filter for destination - * station -- * @IEEE80211_TX_CTL_REQUEUE: TBD - * @IEEE80211_TX_CTL_FIRST_FRAGMENT: this is a first fragment of the frame -- * @IEEE80211_TX_CTL_SHORT_PREAMBLE: TBD -- * @IEEE80211_TX_CTL_LONG_RETRY_LIMIT: this frame should be send using the -- * through set_retry_limit configured long retry value - * @IEEE80211_TX_CTL_SEND_AFTER_DTIM: send this frame after DTIM beacon - * @IEEE80211_TX_CTL_AMPDU: this frame should be sent as part of an A-MPDU -- * @IEEE80211_TX_CTL_OFDM_HT: this frame can be sent in HT OFDM rates. number -- * of streams when this flag is on can be extracted from antenna_sel_tx, -- * so if 1 antenna is marked use SISO, 2 antennas marked use MIMO, n -- * antennas marked use MIMO_n. -- * @IEEE80211_TX_CTL_GREEN_FIELD: use green field protection for this frame -- * @IEEE80211_TX_CTL_40_MHZ_WIDTH: send this frame using 40 Mhz channel width -- * @IEEE80211_TX_CTL_DUP_DATA: duplicate data frame on both 20 Mhz channels -- * @IEEE80211_TX_CTL_SHORT_GI: send this frame using short guard interval -- * @IEEE80211_TX_CTL_INJECTED: TBD -+ * @IEEE80211_TX_CTL_INJECTED: Frame was injected, internal to mac80211. - * @IEEE80211_TX_STAT_TX_FILTERED: The frame was not transmitted - * because the destination STA was in powersave mode. - * @IEEE80211_TX_STAT_ACK: Frame was acknowledged -@@ -252,42 +247,41 @@ struct ieee80211_bss_conf { - * is for the whole aggregation. - * @IEEE80211_TX_STAT_AMPDU_NO_BACK: no block ack was returned, - * so consider using block ack request (BAR). -- * @IEEE80211_TX_CTL_ASSIGN_SEQ: The driver has to assign a sequence -- * number to this frame, taking care of not overwriting the fragment -- * number and increasing the sequence number only when the -- * IEEE80211_TX_CTL_FIRST_FRAGMENT flags is set. mac80211 will properly -- * assign sequence numbers to QoS-data frames but cannot do so correctly -- * for non-QoS-data and management frames because beacons need them from -- * that counter as well and mac80211 cannot guarantee proper sequencing. -- * If this flag is set, the driver should instruct the hardware to -- * assign a sequence number to the frame or assign one itself. Cf. IEEE -- * 802.11-2007 7.1.3.4.1 paragraph 3. This flag will always be set for -- * beacons always be clear for frames without a sequence number field. -+ * @IEEE80211_TX_CTL_RATE_CTRL_PROBE: internal to mac80211, can be -+ * set by rate control algorithms to indicate probe rate, will -+ * be cleared for fragmented frames (except on the last fragment) -+ * @IEEE80211_TX_CTL_REQUEUE: REMOVE THIS - */ - enum mac80211_tx_control_flags { - IEEE80211_TX_CTL_REQ_TX_STATUS = BIT(0), -- IEEE80211_TX_CTL_USE_RTS_CTS = BIT(2), -- IEEE80211_TX_CTL_USE_CTS_PROTECT = BIT(3), -- IEEE80211_TX_CTL_NO_ACK = BIT(4), -- IEEE80211_TX_CTL_RATE_CTRL_PROBE = BIT(5), -- IEEE80211_TX_CTL_CLEAR_PS_FILT = BIT(6), -- IEEE80211_TX_CTL_REQUEUE = BIT(7), -- IEEE80211_TX_CTL_FIRST_FRAGMENT = BIT(8), -- IEEE80211_TX_CTL_SHORT_PREAMBLE = BIT(9), -- IEEE80211_TX_CTL_LONG_RETRY_LIMIT = BIT(10), -- IEEE80211_TX_CTL_SEND_AFTER_DTIM = BIT(12), -- IEEE80211_TX_CTL_AMPDU = BIT(13), -- IEEE80211_TX_CTL_OFDM_HT = BIT(14), -- IEEE80211_TX_CTL_GREEN_FIELD = BIT(15), -- IEEE80211_TX_CTL_40_MHZ_WIDTH = BIT(16), -- IEEE80211_TX_CTL_DUP_DATA = BIT(17), -- IEEE80211_TX_CTL_SHORT_GI = BIT(18), -- IEEE80211_TX_CTL_INJECTED = BIT(19), -- IEEE80211_TX_STAT_TX_FILTERED = BIT(20), -- IEEE80211_TX_STAT_ACK = BIT(21), -- IEEE80211_TX_STAT_AMPDU = BIT(22), -- IEEE80211_TX_STAT_AMPDU_NO_BACK = BIT(23), -- IEEE80211_TX_CTL_ASSIGN_SEQ = BIT(24), -+ IEEE80211_TX_CTL_ASSIGN_SEQ = BIT(1), -+ IEEE80211_TX_CTL_NO_ACK = BIT(2), -+ IEEE80211_TX_CTL_CLEAR_PS_FILT = BIT(3), -+ IEEE80211_TX_CTL_FIRST_FRAGMENT = BIT(4), -+ IEEE80211_TX_CTL_SEND_AFTER_DTIM = BIT(5), -+ IEEE80211_TX_CTL_AMPDU = BIT(6), -+ IEEE80211_TX_CTL_INJECTED = BIT(7), -+ IEEE80211_TX_STAT_TX_FILTERED = BIT(8), -+ IEEE80211_TX_STAT_ACK = BIT(9), -+ IEEE80211_TX_STAT_AMPDU = BIT(10), -+ IEEE80211_TX_STAT_AMPDU_NO_BACK = BIT(11), -+ IEEE80211_TX_CTL_RATE_CTRL_PROBE = BIT(12), -+ -+ /* XXX: remove this */ -+ IEEE80211_TX_CTL_REQUEUE = BIT(13), -+}; -+ -+enum mac80211_rate_control_flags { -+ IEEE80211_TX_RC_USE_RTS_CTS = BIT(0), -+ IEEE80211_TX_RC_USE_CTS_PROTECT = BIT(1), -+ IEEE80211_TX_RC_USE_SHORT_PREAMBLE = BIT(2), -+ -+ /* rate index is an MCS rate number instead of an index */ -+ IEEE80211_TX_RC_MCS = BIT(3), -+ IEEE80211_TX_RC_GREEN_FIELD = BIT(4), -+ IEEE80211_TX_RC_40_MHZ_WIDTH = BIT(5), -+ IEEE80211_TX_RC_DUP_DATA = BIT(6), -+ IEEE80211_TX_RC_SHORT_GI = BIT(7), - }; - - -@@ -296,18 +290,26 @@ enum mac80211_tx_control_flags { - #define IEEE80211_TX_INFO_DRIVER_DATA_PTRS \ - (IEEE80211_TX_INFO_DRIVER_DATA_SIZE / sizeof(void *)) - --/* maximum number of alternate rate retry stages */ --#define IEEE80211_TX_MAX_ALTRATE 3 -+/* maximum number of rate stages */ -+#define IEEE80211_TX_MAX_RATES 4 - - /** -- * struct ieee80211_tx_altrate - alternate rate selection/status -+ * struct ieee80211_tx_rate - rate selection/status - * -- * @rate_idx: rate index to attempt to send with -+ * @idx: rate index to attempt to send with -+ * @flags: rate control flags (&enum mac80211_rate_control_flags) - * @limit: number of retries before fallback -+ * -+ * A value of -1 for @idx indicates an invalid rate and, if used -+ * in an array of retry rates, that no more rates should be tried. -+ * -+ * When used for transmit status reporting, the driver should -+ * always report the rate along with the flags it used. - */ --struct ieee80211_tx_altrate { -- s8 rate_idx; -- u8 limit; -+struct ieee80211_tx_rate { -+ s8 idx; -+ u8 count; -+ u8 flags; - }; - - /** -@@ -322,15 +324,12 @@ struct ieee80211_tx_altrate { - * it may be NULL. - * - * @flags: transmit info flags, defined above -- * @band: TBD -- * @tx_rate_idx: TBD -+ * @band: the band to transmit on (use for checking for races) - * @antenna_sel_tx: antenna to use, 0 for automatic diversity - * @control: union for control data - * @status: union for status data - * @driver_data: array of driver_data pointers - * @retry_count: number of retries -- * @excessive_retries: set to 1 if the frame was retried many times -- * but not acknowledged - * @ampdu_ack_len: number of aggregated frames. - * relevant only if IEEE80211_TX_STATUS_AMPDU was set. - * @ampdu_ack_map: block ack bit map for the aggregation. -@@ -341,28 +340,28 @@ struct ieee80211_tx_info { - /* common information */ - u32 flags; - u8 band; -- s8 tx_rate_idx; -+ - u8 antenna_sel_tx; - -- /* 1 byte hole */ -+ /* 2 byte hole */ - - union { - struct { -+ union { -+ struct ieee80211_tx_rate rates[IEEE80211_TX_MAX_RATES]; -+ /* we need the jiffies only before rate control */ -+ unsigned long jiffies; -+ }; -+ s8 rts_cts_rate_idx; - /* NB: vif can be NULL for injected frames */ - struct ieee80211_vif *vif; - struct ieee80211_key_conf *hw_key; - struct ieee80211_sta *sta; -- unsigned long jiffies; -- s8 rts_cts_rate_idx; -- u8 retry_limit; -- struct ieee80211_tx_altrate retries[IEEE80211_TX_MAX_ALTRATE]; - } control; - struct { -+ struct ieee80211_tx_rate rates[IEEE80211_TX_MAX_RATES]; - u64 ampdu_ack_map; - int ack_signal; -- struct ieee80211_tx_altrate retries[IEEE80211_TX_MAX_ALTRATE + 1]; -- u8 retry_count; -- bool excessive_retries; - u8 ampdu_ack_len; - } status; - void *driver_data[IEEE80211_TX_INFO_DRIVER_DATA_PTRS]; -@@ -374,6 +373,22 @@ static inline struct ieee80211_tx_info * - return (struct ieee80211_tx_info *)skb->cb; - } - -+static inline void -+ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info) -+{ -+ int i; -+ -+ BUILD_BUG_ON(offsetof(struct ieee80211_tx_info, status.rates) != -+ offsetof(struct ieee80211_tx_info, control.rates)); -+ /* clear the rate counts */ -+ for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) -+ info->status.rates[i].count = 0; -+ -+ memset(&info->status.ampdu_ack_map, 0, -+ sizeof(struct ieee80211_tx_info) - -+ offsetof(struct ieee80211_tx_info, status.ampdu_ack_map)); -+} -+ - - /** - * enum mac80211_rx_flags - receive flags -@@ -875,8 +890,8 @@ enum ieee80211_hw_flags { - * @sta_data_size: size (in bytes) of the drv_priv data area - * within &struct ieee80211_sta. - * -- * @max_altrates: maximum number of alternate rate retry stages -- * @max_altrate_tries: maximum number of tries for each stage -+ * @max_rates: maximum number of alternate rate retry stages -+ * @max_rate_tries: maximum number of tries for each stage - */ - struct ieee80211_hw { - struct ieee80211_conf conf; -@@ -893,8 +908,8 @@ struct ieee80211_hw { - u16 ampdu_queues; - u16 max_listen_interval; - s8 max_signal; -- u8 max_altrates; -- u8 max_altrate_tries; -+ u8 max_rates; -+ u8 max_rate_tries; - }; - - /** -@@ -933,9 +948,9 @@ static inline struct ieee80211_rate * - ieee80211_get_tx_rate(const struct ieee80211_hw *hw, - const struct ieee80211_tx_info *c) - { -- if (WARN_ON(c->tx_rate_idx < 0)) -+ if (WARN_ON(c->control.rates[0].idx < 0)) - return NULL; -- return &hw->wiphy->bands[c->band]->bitrates[c->tx_rate_idx]; -+ return &hw->wiphy->bands[c->band]->bitrates[c->control.rates[0].idx]; - } - - static inline struct ieee80211_rate * -@@ -951,9 +966,9 @@ static inline struct ieee80211_rate * - ieee80211_get_alt_retry_rate(const struct ieee80211_hw *hw, - const struct ieee80211_tx_info *c, int idx) - { -- if (c->control.retries[idx].rate_idx < 0) -+ if (c->control.rates[idx + 1].idx < 0) - return NULL; -- return &hw->wiphy->bands[c->band]->bitrates[c->control.retries[idx].rate_idx]; -+ return &hw->wiphy->bands[c->band]->bitrates[c->control.rates[idx + 1].idx]; - } - - /** -@@ -1847,17 +1862,28 @@ struct ieee80211_sta *ieee80211_find_sta - - - /* Rate control API */ -+ - /** -- * struct rate_selection - rate information for/from rate control algorithms -+ * struct ieee80211_tx_rate_control - rate control information for/from RC algo - * -- * @rate_idx: selected transmission rate index -- * @nonerp_idx: Non-ERP rate to use instead if ERP cannot be used -- * @probe_idx: rate for probing (or -1) -- * @max_rate_idx: maximum rate index that can be used, this is -- * input to the algorithm and will be enforced -- */ --struct rate_selection { -- s8 rate_idx, nonerp_idx, probe_idx, max_rate_idx; -+ * @sband: The band this frame is being transmitted on. -+ * @bss_conf: the current BSS configuration -+ * @reported_rate: The rate control algorithm can fill this in to indicate -+ * which rate should be reported to userspace as the current rate and -+ * used for rate calculations in the mesh network. -+ * @rts: whether RTS will be used for this frame because it is longer than the -+ * RTS threshold -+ * @short_preamble: whether mac80211 will request short-preamble transmission -+ * if the selected rate supports it -+ * @max_rate_idx: user-requested maximum rate (not MCS for now) -+ */ -+struct ieee80211_tx_rate_control { -+ struct ieee80211_supported_band *sband; -+ struct ieee80211_bss_conf *bss_conf; -+ struct sk_buff *skb; -+ struct ieee80211_tx_rate reported_rate; -+ bool rts, short_preamble; -+ u8 max_rate_idx; - }; - - struct rate_control_ops { -@@ -1876,10 +1902,8 @@ struct rate_control_ops { - void (*tx_status)(void *priv, struct ieee80211_supported_band *sband, - struct ieee80211_sta *sta, void *priv_sta, - struct sk_buff *skb); -- void (*get_rate)(void *priv, struct ieee80211_supported_band *sband, -- struct ieee80211_sta *sta, void *priv_sta, -- struct sk_buff *skb, -- struct rate_selection *sel); -+ void (*get_rate)(void *priv, struct ieee80211_sta *sta, void *priv_sta, -+ struct ieee80211_tx_rate_control *txrc); - - void (*add_sta_debugfs)(void *priv, void *priv_sta, - struct dentry *dir); ---- a/net/mac80211/main.c -+++ b/net/mac80211/main.c -@@ -41,6 +41,8 @@ - */ - struct ieee80211_tx_status_rtap_hdr { - struct ieee80211_radiotap_header hdr; -+ u8 rate; -+ u8 padding_for_rate; - __le16 tx_flags; - u8 data_retries; - } __attribute__ ((packed)); -@@ -463,13 +465,28 @@ void ieee80211_tx_status(struct ieee8021 - struct ieee80211_sub_if_data *sdata; - struct net_device *prev_dev = NULL; - struct sta_info *sta; -+ int retry_count = -1, i; -+ -+ for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) { -+ /* the HW cannot have attempted that rate */ -+ if (i >= hw->max_rates) { -+ info->status.rates[i].idx = -1; -+ info->status.rates[i].count = 0; -+ } -+ -+ retry_count += info->status.rates[i].count; -+ } -+ if (retry_count < 0) -+ retry_count = 0; - - rcu_read_lock(); - -+ sband = local->hw.wiphy->bands[info->band]; -+ - sta = sta_info_get(local, hdr->addr1); - - if (sta) { -- if (info->status.excessive_retries && -+ if (!(info->flags & IEEE80211_TX_STAT_ACK) && - test_sta_flags(sta, WLAN_STA_PS)) { - /* - * The STA is in power save mode, so assume -@@ -500,12 +517,11 @@ void ieee80211_tx_status(struct ieee8021 - rcu_read_unlock(); - return; - } else { -- if (info->status.excessive_retries) -+ if (!(info->flags & IEEE80211_TX_STAT_ACK)) - sta->tx_retry_failed++; -- sta->tx_retry_count += info->status.retry_count; -+ sta->tx_retry_count += retry_count; - } - -- sband = local->hw.wiphy->bands[info->band]; - rate_control_tx_status(local, sband, sta, skb); - } - -@@ -526,9 +542,9 @@ void ieee80211_tx_status(struct ieee8021 - local->dot11TransmittedFrameCount++; - if (is_multicast_ether_addr(hdr->addr1)) - local->dot11MulticastTransmittedFrameCount++; -- if (info->status.retry_count > 0) -+ if (retry_count > 0) - local->dot11RetryCount++; -- if (info->status.retry_count > 1) -+ if (retry_count > 1) - local->dot11MultipleRetryCount++; - } - -@@ -572,19 +588,30 @@ void ieee80211_tx_status(struct ieee8021 - rthdr->hdr.it_len = cpu_to_le16(sizeof(*rthdr)); - rthdr->hdr.it_present = - cpu_to_le32((1 << IEEE80211_RADIOTAP_TX_FLAGS) | -- (1 << IEEE80211_RADIOTAP_DATA_RETRIES)); -+ (1 << IEEE80211_RADIOTAP_DATA_RETRIES) | -+ (1 << IEEE80211_RADIOTAP_RATE)); - - if (!(info->flags & IEEE80211_TX_STAT_ACK) && - !is_multicast_ether_addr(hdr->addr1)) - rthdr->tx_flags |= cpu_to_le16(IEEE80211_RADIOTAP_F_TX_FAIL); - -- if ((info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) && -- (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT)) -+ /* -+ * XXX: Once radiotap gets the bitmap reset thing the vendor -+ * extensions proposal contains, we can actually report -+ * the whole set of tries we did. -+ */ -+ if ((info->status.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) || -+ (info->status.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)) - rthdr->tx_flags |= cpu_to_le16(IEEE80211_RADIOTAP_F_TX_CTS); -- else if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) -+ else if (info->status.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) - rthdr->tx_flags |= cpu_to_le16(IEEE80211_RADIOTAP_F_TX_RTS); -+ if (info->status.rates[0].idx >= 0 && -+ !(info->status.rates[0].flags & IEEE80211_TX_RC_MCS)) -+ rthdr->rate = sband->bitrates[ -+ info->status.rates[0].idx].bitrate / 5; - -- rthdr->data_retries = info->status.retry_count; -+ /* for now report the total retry_count */ -+ rthdr->data_retries = retry_count; - - /* XXX: is this sufficient for BPF? */ - skb_set_mac_header(skb, 0); -@@ -669,8 +696,9 @@ struct ieee80211_hw *ieee80211_alloc_hw( - BUG_ON(!ops->configure_filter); - local->ops = ops; - -- local->hw.queues = 1; /* default */ -- -+ /* set up some defaults */ -+ local->hw.queues = 1; -+ local->hw.max_rates = 1; - local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; - local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD; - local->hw.conf.long_frame_max_tx_count = 4; ---- a/net/mac80211/tx.c -+++ b/net/mac80211/tx.c -@@ -46,13 +46,20 @@ static __le16 ieee80211_duration(struct - struct ieee80211_local *local = tx->local; - struct ieee80211_supported_band *sband; - struct ieee80211_hdr *hdr; -+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb); -+ -+ /* assume HW handles this */ -+ if (info->control.rates[0].flags & IEEE80211_TX_RC_MCS) -+ return 0; -+ -+ /* uh huh? */ -+ if (WARN_ON(info->control.rates[0].idx < 0)) -+ return 0; - - sband = local->hw.wiphy->bands[tx->channel->band]; -- txrate = &sband->bitrates[tx->rate_idx]; -+ txrate = &sband->bitrates[info->control.rates[0].idx]; - -- erp = 0; -- if (tx->sdata->flags & IEEE80211_SDATA_OPERATING_GMODE) -- erp = txrate->flags & IEEE80211_RATE_ERP_G; -+ erp = txrate->flags & IEEE80211_RATE_ERP_G; - - /* - * data and mgmt (except PS Poll): -@@ -439,140 +446,123 @@ ieee80211_tx_h_select_key(struct ieee802 - static ieee80211_tx_result debug_noinline - ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx) - { -- struct rate_selection rsel; -- struct ieee80211_supported_band *sband; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb); -+ struct ieee80211_hdr *hdr = (void *)tx->skb->data; -+ struct ieee80211_supported_band *sband; -+ struct ieee80211_rate *rate; -+ int i, len; -+ bool inval = false, rts = false, short_preamble = false; -+ struct ieee80211_tx_rate_control txrc; - -- sband = tx->local->hw.wiphy->bands[tx->channel->band]; -+ memset(&txrc, 0, sizeof(txrc)); - -- if (likely(tx->rate_idx < 0)) { -- rate_control_get_rate(tx->sdata, sband, tx->sta, -- tx->skb, &rsel); -- if (tx->sta) -- tx->sta->last_txrate_idx = rsel.rate_idx; -- tx->rate_idx = rsel.rate_idx; -- if (unlikely(rsel.probe_idx >= 0)) { -- info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE; -- tx->flags |= IEEE80211_TX_PROBE_LAST_FRAG; -- info->control.retries[0].rate_idx = tx->rate_idx; -- info->control.retries[0].limit = tx->local->hw.max_altrate_tries; -- tx->rate_idx = rsel.probe_idx; -- } else if (info->control.retries[0].limit == 0) -- info->control.retries[0].rate_idx = -1; -+ sband = tx->local->hw.wiphy->bands[tx->channel->band]; - -- if (unlikely(tx->rate_idx < 0)) -- return TX_DROP; -- } else -- info->control.retries[0].rate_idx = -1; -+ len = min_t(int, tx->skb->len + FCS_LEN, -+ tx->local->fragmentation_threshold); - -- if (tx->sdata->vif.bss_conf.use_cts_prot && -- (tx->flags & IEEE80211_TX_FRAGMENTED) && (rsel.nonerp_idx >= 0)) { -- tx->last_frag_rate_idx = tx->rate_idx; -- if (rsel.probe_idx >= 0) -- tx->flags &= ~IEEE80211_TX_PROBE_LAST_FRAG; -- else -- tx->flags |= IEEE80211_TX_PROBE_LAST_FRAG; -- tx->rate_idx = rsel.nonerp_idx; -- info->tx_rate_idx = rsel.nonerp_idx; -- info->flags &= ~IEEE80211_TX_CTL_RATE_CTRL_PROBE; -- } else { -- tx->last_frag_rate_idx = tx->rate_idx; -- info->tx_rate_idx = tx->rate_idx; -+ /* set up the tx rate control struct we give the RC algo */ -+ txrc.sband = sband; -+ txrc.bss_conf = &tx->sdata->vif.bss_conf; -+ txrc.skb = tx->skb; -+ txrc.reported_rate.idx = -1; -+ txrc.max_rate_idx = tx->sdata->max_ratectrl_rateidx; -+ -+ /* set up RTS protection if desired */ -+ if (tx->local->rts_threshold < IEEE80211_MAX_RTS_THRESHOLD && -+ len > tx->local->rts_threshold) { -+ txrc.rts = rts = true; - } -- info->tx_rate_idx = tx->rate_idx; - -- return TX_CONTINUE; --} -+ /* XXX: Is this really the right thing to check? */ -+ if (ieee80211_is_data(hdr->frame_control) && -+ tx->sdata->vif.bss_conf.use_short_preamble && -+ (!tx->sta || test_sta_flags(tx->sta, WLAN_STA_SHORT_PREAMBLE))) -+ txrc.short_preamble = short_preamble = true; - --static ieee80211_tx_result debug_noinline --ieee80211_tx_h_misc(struct ieee80211_tx_data *tx) --{ -- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data; -- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb); -- struct ieee80211_supported_band *sband; - -- sband = tx->local->hw.wiphy->bands[tx->channel->band]; -+ rate_control_get_rate(tx->sdata, tx->sta, &txrc); -+ -+ if (unlikely(info->control.rates[0].idx < 0)) -+ return TX_DROP; -+ -+ if (txrc.reported_rate.idx < 0) -+ txrc.reported_rate = info->control.rates[0]; - - if (tx->sta) -- info->control.sta = &tx->sta->sta; -+ tx->sta->last_tx_rate = txrc.reported_rate; - -- if (!info->control.retry_limit) { -- if (!is_multicast_ether_addr(hdr->addr1)) { -- int len = min_t(int, tx->skb->len + FCS_LEN, -- tx->local->fragmentation_threshold); -- if (len > tx->local->rts_threshold -- && tx->local->rts_threshold < -- IEEE80211_MAX_RTS_THRESHOLD) { -- info->flags |= IEEE80211_TX_CTL_USE_RTS_CTS; -- info->flags |= -- IEEE80211_TX_CTL_LONG_RETRY_LIMIT; -- info->control.retry_limit = -- tx->local->hw.conf.long_frame_max_tx_count - 1; -- } else { -- info->control.retry_limit = -- tx->local->hw.conf.short_frame_max_tx_count - 1; -- } -- } else { -- info->control.retry_limit = 1; -- } -- } -+ if (unlikely(!info->control.rates[0].count)) -+ info->control.rates[0].count = 1; - -- if (tx->flags & IEEE80211_TX_FRAGMENTED) { -- /* Do not use multiple retry rates when sending fragmented -- * frames. -- * TODO: The last fragment could still use multiple retry -- * rates. */ -- info->control.retries[0].rate_idx = -1; -- } -- -- /* Use CTS protection for unicast frames sent using extended rates if -- * there are associated non-ERP stations and RTS/CTS is not configured -- * for the frame. */ -- if ((tx->sdata->flags & IEEE80211_SDATA_OPERATING_GMODE) && -- (sband->bitrates[tx->rate_idx].flags & IEEE80211_RATE_ERP_G) && -- (tx->flags & IEEE80211_TX_UNICAST) && -- tx->sdata->vif.bss_conf.use_cts_prot && -- !(info->flags & IEEE80211_TX_CTL_USE_RTS_CTS)) -- info->flags |= IEEE80211_TX_CTL_USE_CTS_PROTECT; -- -- /* Transmit data frames using short preambles if the driver supports -- * short preambles at the selected rate and short preambles are -- * available on the network at the current point in time. */ -- if (ieee80211_is_data(hdr->frame_control) && -- (sband->bitrates[tx->rate_idx].flags & IEEE80211_RATE_SHORT_PREAMBLE) && -- tx->sdata->vif.bss_conf.use_short_preamble && -- (!tx->sta || test_sta_flags(tx->sta, WLAN_STA_SHORT_PREAMBLE))) { -- info->flags |= IEEE80211_TX_CTL_SHORT_PREAMBLE; -+ if (is_multicast_ether_addr(hdr->addr1)) { -+ /* -+ * XXX: verify the rate is in the basic rateset -+ */ -+ return TX_CONTINUE; - } - -- if ((info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) || -- (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT)) { -- struct ieee80211_rate *rate; -- s8 baserate = -1; -- int idx; -+ for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) { -+ /* -+ * make sure there's no valid rate following -+ * an invalid one, just in case drivers don't -+ * take the API seriously to stop at -1. -+ */ -+ if (inval) { -+ info->control.rates[i].idx = -1; -+ continue; -+ } -+ if (info->control.rates[i].idx < 0) { -+ inval = true; -+ continue; -+ } - -- /* Do not use multiple retry rates when using RTS/CTS */ -- info->control.retries[0].rate_idx = -1; -+ /* -+ * For now assume MCS is already set up correctly, this -+ * needs to be fixed. -+ */ -+ if (info->control.rates[i].flags & IEEE80211_TX_RC_MCS) { -+ WARN_ON(info->control.rates[i].idx > 76); -+ continue; -+ } - -- /* Use min(data rate, max base rate) as CTS/RTS rate */ -- rate = &sband->bitrates[tx->rate_idx]; -+ /* set up RTS protection if desired */ -+ if (rts) { -+ info->control.rates[i].flags |= -+ IEEE80211_TX_RC_USE_RTS_CTS; -+ rts = true; -+ } - -- for (idx = 0; idx < sband->n_bitrates; idx++) { -- if (sband->bitrates[idx].bitrate > rate->bitrate) -- continue; -- if (tx->sdata->vif.bss_conf.basic_rates & BIT(idx) && -- (baserate < 0 || -- (sband->bitrates[baserate].bitrate -- < sband->bitrates[idx].bitrate))) -- baserate = idx; -+ /* RC is busted */ -+ if (WARN_ON(info->control.rates[i].idx >= -+ sband->n_bitrates)) { -+ info->control.rates[i].idx = -1; -+ continue; - } - -- if (baserate >= 0) -- info->control.rts_cts_rate_idx = baserate; -- else -- info->control.rts_cts_rate_idx = 0; -+ rate = &sband->bitrates[info->control.rates[i].idx]; -+ -+ /* set up short preamble */ -+ if (short_preamble && -+ rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) -+ info->control.rates[i].flags |= -+ IEEE80211_TX_RC_USE_SHORT_PREAMBLE; -+ -+ /* set up G protection */ -+ if (!rts && tx->sdata->vif.bss_conf.use_cts_prot && -+ rate->flags & IEEE80211_RATE_ERP_G) -+ info->control.rates[i].flags |= -+ IEEE80211_TX_RC_USE_CTS_PROTECT; - } - -+ return TX_CONTINUE; -+} -+ -+static ieee80211_tx_result debug_noinline -+ieee80211_tx_h_misc(struct ieee80211_tx_data *tx) -+{ -+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb); -+ - if (tx->sta) - info->control.sta = &tx->sta->sta; - -@@ -680,6 +670,7 @@ ieee80211_tx_h_fragment(struct ieee80211 - left = payload_len - per_fragm; - for (i = 0; i < num_fragm - 1; i++) { - struct ieee80211_hdr *fhdr; -+ struct ieee80211_tx_info *info; - size_t copylen; - - if (left <= 0) -@@ -694,20 +685,44 @@ ieee80211_tx_h_fragment(struct ieee80211 - IEEE80211_ENCRYPT_TAILROOM); - if (!frag) - goto fail; -+ - /* Make sure that all fragments use the same priority so - * that they end up using the same TX queue */ - frag->priority = first->priority; -+ - skb_reserve(frag, tx->local->tx_headroom + - IEEE80211_ENCRYPT_HEADROOM); -+ -+ /* copy TX information */ -+ info = IEEE80211_SKB_CB(frag); -+ memcpy(info, first->cb, sizeof(frag->cb)); -+ -+ /* copy/fill in 802.11 header */ - fhdr = (struct ieee80211_hdr *) skb_put(frag, hdrlen); - memcpy(fhdr, first->data, hdrlen); -- if (i == num_fragm - 2) -- fhdr->frame_control &= cpu_to_le16(~IEEE80211_FCTL_MOREFRAGS); - fhdr->seq_ctrl = cpu_to_le16(seq | ((i + 1) & IEEE80211_SCTL_FRAG)); -+ -+ if (i == num_fragm - 2) { -+ /* clear MOREFRAGS bit for the last fragment */ -+ fhdr->frame_control &= cpu_to_le16(~IEEE80211_FCTL_MOREFRAGS); -+ } else { -+ /* -+ * No multi-rate retries for fragmented frames, that -+ * would completely throw off the NAV at other STAs. -+ */ -+ info->control.rates[1].idx = -1; -+ info->control.rates[2].idx = -1; -+ info->control.rates[3].idx = -1; -+ BUILD_BUG_ON(IEEE80211_TX_MAX_RATES != 4); -+ info->flags &= ~IEEE80211_TX_CTL_RATE_CTRL_PROBE; -+ } -+ -+ /* copy data */ - copylen = left > per_fragm ? per_fragm : left; - memcpy(skb_put(frag, copylen), pos, copylen); -- memcpy(frag->cb, first->cb, sizeof(frag->cb)); -+ - skb_copy_queue_mapping(frag, first); -+ - frag->do_not_encrypt = first->do_not_encrypt; - - pos += copylen; -@@ -767,12 +782,10 @@ ieee80211_tx_h_calculate_duration(struct - tx->extra_frag[0]->len); - - for (i = 0; i < tx->num_extra_frag; i++) { -- if (i + 1 < tx->num_extra_frag) { -+ if (i + 1 < tx->num_extra_frag) - next_len = tx->extra_frag[i + 1]->len; -- } else { -+ else - next_len = 0; -- tx->rate_idx = tx->last_frag_rate_idx; -- } - - hdr = (struct ieee80211_hdr *)tx->extra_frag[i]->data; - hdr->duration_id = ieee80211_duration(tx, 0, next_len); -@@ -825,7 +838,6 @@ __ieee80211_parse_tx_radiotap(struct iee - (struct ieee80211_radiotap_header *) skb->data; - struct ieee80211_supported_band *sband; - int ret = ieee80211_radiotap_iterator_init(&iterator, rthdr, skb->len); -- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - - sband = tx->local->hw.wiphy->bands[tx->channel->band]; - -@@ -839,8 +851,6 @@ __ieee80211_parse_tx_radiotap(struct iee - */ - - while (!ret) { -- int i, target_rate; -- - ret = ieee80211_radiotap_iterator_next(&iterator); - - if (ret) -@@ -854,38 +864,6 @@ __ieee80211_parse_tx_radiotap(struct iee - * get_unaligned((type *)iterator.this_arg) to dereference - * iterator.this_arg for type "type" safely on all arches. - */ -- case IEEE80211_RADIOTAP_RATE: -- /* -- * radiotap rate u8 is in 500kbps units eg, 0x02=1Mbps -- * ieee80211 rate int is in 100kbps units eg, 0x0a=1Mbps -- */ -- target_rate = (*iterator.this_arg) * 5; -- for (i = 0; i < sband->n_bitrates; i++) { -- struct ieee80211_rate *r; -- -- r = &sband->bitrates[i]; -- -- if (r->bitrate == target_rate) { -- tx->rate_idx = i; -- break; -- } -- } -- break; -- -- case IEEE80211_RADIOTAP_ANTENNA: -- /* -- * radiotap uses 0 for 1st ant, mac80211 is 1 for -- * 1st ant -- */ -- info->antenna_sel_tx = (*iterator.this_arg) + 1; -- break; -- --#if 0 -- case IEEE80211_RADIOTAP_DBM_TX_POWER: -- control->power_level = *iterator.this_arg; -- break; --#endif -- - case IEEE80211_RADIOTAP_FLAGS: - if (*iterator.this_arg & IEEE80211_RADIOTAP_F_FCS) { - /* -@@ -951,8 +929,6 @@ __ieee80211_tx_prepare(struct ieee80211_ - tx->local = local; - tx->sdata = IEEE80211_DEV_TO_SUB_IF(dev); - tx->channel = local->hw.conf.channel; -- tx->rate_idx = -1; -- tx->last_frag_rate_idx = -1; - /* - * Set this flag (used below to indicate "automatic fragmentation"), - * it will be cleared/left by radiotap as desired. -@@ -1053,23 +1029,11 @@ static int __ieee80211_tx(struct ieee802 - if (!tx->extra_frag[i]) - continue; - info = IEEE80211_SKB_CB(tx->extra_frag[i]); -- info->flags &= ~(IEEE80211_TX_CTL_USE_RTS_CTS | -- IEEE80211_TX_CTL_USE_CTS_PROTECT | -- IEEE80211_TX_CTL_CLEAR_PS_FILT | -+ info->flags &= ~(IEEE80211_TX_CTL_CLEAR_PS_FILT | - IEEE80211_TX_CTL_FIRST_FRAGMENT); - if (netif_subqueue_stopped(local->mdev, - tx->extra_frag[i])) - return IEEE80211_TX_FRAG_AGAIN; -- if (i == tx->num_extra_frag) { -- info->tx_rate_idx = tx->last_frag_rate_idx; -- -- if (tx->flags & IEEE80211_TX_PROBE_LAST_FRAG) -- info->flags |= -- IEEE80211_TX_CTL_RATE_CTRL_PROBE; -- else -- info->flags &= -- ~IEEE80211_TX_CTL_RATE_CTRL_PROBE; -- } - - ret = local->ops->tx(local_to_hw(local), - tx->extra_frag[i]); -@@ -1206,9 +1170,6 @@ retry: - store->skb = skb; - store->extra_frag = tx.extra_frag; - store->num_extra_frag = tx.num_extra_frag; -- store->last_frag_rate_idx = tx.last_frag_rate_idx; -- store->last_frag_rate_ctrl_probe = -- !!(tx.flags & IEEE80211_TX_PROBE_LAST_FRAG); - } - out: - rcu_read_unlock(); -@@ -1767,10 +1728,7 @@ void ieee80211_tx_pending(unsigned long - store = &local->pending_packet[i]; - tx.extra_frag = store->extra_frag; - tx.num_extra_frag = store->num_extra_frag; -- tx.last_frag_rate_idx = store->last_frag_rate_idx; - tx.flags = 0; -- if (store->last_frag_rate_ctrl_probe) -- tx.flags |= IEEE80211_TX_PROBE_LAST_FRAG; - ret = __ieee80211_tx(local, store->skb, &tx); - if (ret) { - if (ret == IEEE80211_TX_FRAG_AGAIN) -@@ -1858,7 +1816,6 @@ struct sk_buff *ieee80211_beacon_get(str - struct ieee80211_sub_if_data *sdata = NULL; - struct ieee80211_if_ap *ap = NULL; - struct ieee80211_if_sta *ifsta = NULL; -- struct rate_selection rsel; - struct beacon_data *beacon; - struct ieee80211_supported_band *sband; - enum ieee80211_band band = local->hw.conf.channel->band; -@@ -1962,32 +1919,22 @@ struct sk_buff *ieee80211_beacon_get(str - skb->do_not_encrypt = 1; - - info->band = band; -- rate_control_get_rate(sdata, sband, NULL, skb, &rsel); -- -- if (unlikely(rsel.rate_idx < 0)) { -- if (net_ratelimit()) { -- printk(KERN_DEBUG "%s: ieee80211_beacon_get: " -- "no rate found\n", -- wiphy_name(local->hw.wiphy)); -- } -- dev_kfree_skb_any(skb); -- skb = NULL; -- goto out; -- } -+ /* -+ * XXX: For now, always use the lowest rate -+ */ -+ info->control.rates[0].idx = 0; -+ info->control.rates[0].count = 1; -+ info->control.rates[1].idx = -1; -+ info->control.rates[2].idx = -1; -+ info->control.rates[3].idx = -1; -+ BUILD_BUG_ON(IEEE80211_TX_MAX_RATES != 4); - - info->control.vif = vif; -- info->tx_rate_idx = rsel.rate_idx; - - info->flags |= IEEE80211_TX_CTL_NO_ACK; - info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT; - info->flags |= IEEE80211_TX_CTL_ASSIGN_SEQ; -- if (sdata->vif.bss_conf.use_short_preamble && -- sband->bitrates[rsel.rate_idx].flags & IEEE80211_RATE_SHORT_PREAMBLE) -- info->flags |= IEEE80211_TX_CTL_SHORT_PREAMBLE; -- -- info->control.retry_limit = 1; -- --out: -+ out: - rcu_read_unlock(); - return skb; - } ---- a/net/mac80211/ieee80211_i.h -+++ b/net/mac80211/ieee80211_i.h -@@ -142,7 +142,6 @@ typedef unsigned __bitwise__ ieee80211_t - #define IEEE80211_TX_FRAGMENTED BIT(0) - #define IEEE80211_TX_UNICAST BIT(1) - #define IEEE80211_TX_PS_BUFFERED BIT(2) --#define IEEE80211_TX_PROBE_LAST_FRAG BIT(3) - - struct ieee80211_tx_data { - struct sk_buff *skb; -@@ -153,11 +152,6 @@ struct ieee80211_tx_data { - struct ieee80211_key *key; - - struct ieee80211_channel *channel; -- s8 rate_idx; -- /* use this rate (if set) for last fragment; rate can -- * be set to lower rate for the first fragments, e.g., -- * when using CTS protection with IEEE 802.11g. */ -- s8 last_frag_rate_idx; - - /* Extra fragments (in addition to the first fragment - * in skb) */ -@@ -203,9 +197,7 @@ struct ieee80211_rx_data { - struct ieee80211_tx_stored_packet { - struct sk_buff *skb; - struct sk_buff **extra_frag; -- s8 last_frag_rate_idx; - int num_extra_frag; -- bool last_frag_rate_ctrl_probe; - }; - - struct beacon_data { ---- a/net/mac80211/rate.c -+++ b/net/mac80211/rate.c -@@ -199,48 +199,44 @@ static void rate_control_release(struct - } - - void rate_control_get_rate(struct ieee80211_sub_if_data *sdata, -- struct ieee80211_supported_band *sband, -- struct sta_info *sta, struct sk_buff *skb, -- struct rate_selection *sel) -+ struct sta_info *sta, -+ struct ieee80211_tx_rate_control *txrc) - { - struct rate_control_ref *ref = sdata->local->rate_ctrl; - void *priv_sta = NULL; - struct ieee80211_sta *ista = NULL; -+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(txrc->skb); - int i; - -- sel->rate_idx = -1; -- sel->nonerp_idx = -1; -- sel->probe_idx = -1; -- sel->max_rate_idx = sdata->max_ratectrl_rateidx; -- - if (sta) { - ista = &sta->sta; - priv_sta = sta->rate_ctrl_priv; - } - -+ for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) { -+ info->control.rates[i].idx = -1; -+ info->control.rates[i].flags = 0; -+ info->control.rates[i].count = 1; -+ } -+ - if (sta && sdata->force_unicast_rateidx > -1) -- sel->rate_idx = sdata->force_unicast_rateidx; -+ info->control.rates[0].idx = sdata->force_unicast_rateidx; - else -- ref->ops->get_rate(ref->priv, sband, ista, priv_sta, skb, sel); -+ ref->ops->get_rate(ref->priv, ista, priv_sta, txrc); - -- if (sdata->max_ratectrl_rateidx > -1 && -- sel->rate_idx > sdata->max_ratectrl_rateidx) -- sel->rate_idx = sdata->max_ratectrl_rateidx; -- -- BUG_ON(sel->rate_idx < 0); -- -- /* Select a non-ERP backup rate. */ -- if (sel->nonerp_idx < 0) { -- for (i = 0; i < sband->n_bitrates; i++) { -- struct ieee80211_rate *rate = &sband->bitrates[i]; -- if (sband->bitrates[sel->rate_idx].bitrate < rate->bitrate) -- break; -- -- if (rate_supported(ista, sband->band, i) && -- !(rate->flags & IEEE80211_RATE_ERP_G)) -- sel->nonerp_idx = i; -- } -+ /* -+ * try to enforce the maximum rate the user wanted -+ */ -+ if (sdata->max_ratectrl_rateidx > -1) -+ for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) { -+ if (info->control.rates[i].flags & IEEE80211_TX_RC_MCS) -+ continue; -+ info->control.rates[i].idx = -+ min_t(s8, info->control.rates[i].idx, -+ sdata->max_ratectrl_rateidx); - } -+ -+ BUG_ON(info->control.rates[0].idx < 0); - } - - struct rate_control_ref *rate_control_get(struct rate_control_ref *ref) ---- a/net/mac80211/rate.h -+++ b/net/mac80211/rate.h -@@ -31,9 +31,8 @@ struct rate_control_ref { - struct rate_control_ref *rate_control_alloc(const char *name, - struct ieee80211_local *local); - void rate_control_get_rate(struct ieee80211_sub_if_data *sdata, -- struct ieee80211_supported_band *sband, -- struct sta_info *sta, struct sk_buff *skb, -- struct rate_selection *sel); -+ struct sta_info *sta, -+ struct ieee80211_tx_rate_control *txrc); - struct rate_control_ref *rate_control_get(struct rate_control_ref *ref); - void rate_control_put(struct rate_control_ref *ref); - ---- a/net/mac80211/sta_info.h -+++ b/net/mac80211/sta_info.h -@@ -196,7 +196,7 @@ struct sta_ampdu_mlme { - * @tx_packets: number of RX/TX MSDUs - * @tx_bytes: TBD - * @tx_fragments: number of transmitted MPDUs -- * @last_txrate_idx: Index of the last used transmit rate -+ * @last_txrate: description of the last used transmit rate - * @tid_seq: TBD - * @ampdu_mlme: TBD - * @timer_to_tid: identity mapping to ID timers -@@ -267,7 +267,7 @@ struct sta_info { - unsigned long tx_packets; - unsigned long tx_bytes; - unsigned long tx_fragments; -- unsigned int last_txrate_idx; -+ struct ieee80211_tx_rate last_tx_rate; - u16 tid_seq[IEEE80211_QOS_CTL_TID_MASK + 1]; - - /* ---- a/net/mac80211/wext.c -+++ b/net/mac80211/wext.c -@@ -636,8 +636,8 @@ static int ieee80211_ioctl_giwrate(struc - - sta = sta_info_get(local, sdata->u.sta.bssid); - -- if (sta && sta->last_txrate_idx < sband->n_bitrates) -- rate->value = sband->bitrates[sta->last_txrate_idx].bitrate; -+ if (sta && !(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) -+ rate->value = sband->bitrates[sta->last_tx_rate.idx].bitrate; - else - rate->value = 0; - ---- a/net/mac80211/mesh_hwmp.c -+++ b/net/mac80211/mesh_hwmp.c -@@ -218,12 +218,16 @@ static u32 airtime_link_metric_get(struc - - if (sta->fail_avg >= 100) - return MAX_METRIC; -+ -+ if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS) -+ return MAX_METRIC; -+ - err = (sta->fail_avg << ARITH_SHIFT) / 100; - - /* bitrate is in units of 100 Kbps, while we need rate in units of - * 1Mbps. This will be corrected on tx_time computation. - */ -- rate = sband->bitrates[sta->last_txrate_idx].bitrate; -+ rate = sband->bitrates[sta->last_tx_rate.idx].bitrate; - tx_time = (device_constant + 10 * test_frame_len / rate); - estimated_retx = ((1 << (2 * ARITH_SHIFT)) / (s_unit - err)); - result = (tx_time * estimated_retx) >> (2 * ARITH_SHIFT) ; ---- a/net/mac80211/rc80211_pid_algo.c -+++ b/net/mac80211/rc80211_pid_algo.c -@@ -241,7 +241,7 @@ static void rate_control_pid_tx_status(v - - /* Ignore all frames that were sent with a different rate than the rate - * we currently advise mac80211 to use. */ -- if (info->tx_rate_idx != spinfo->txrate_idx) -+ if (info->status.rates[0].idx != spinfo->txrate_idx) - return; - - spinfo->tx_num_xmit++; -@@ -253,10 +253,10 @@ static void rate_control_pid_tx_status(v - /* We count frames that totally failed to be transmitted as two bad - * frames, those that made it out but had some retries as one good and - * one bad frame. */ -- if (info->status.excessive_retries) { -+ if (!(info->flags & IEEE80211_TX_STAT_ACK)) { - spinfo->tx_num_failed += 2; - spinfo->tx_num_xmit++; -- } else if (info->status.retry_count) { -+ } else if (info->status.rates[0].count) { - spinfo->tx_num_failed++; - spinfo->tx_num_xmit++; - } -@@ -270,23 +270,31 @@ static void rate_control_pid_tx_status(v - } - - static void --rate_control_pid_get_rate(void *priv, struct ieee80211_supported_band *sband, -- struct ieee80211_sta *sta, void *priv_sta, -- struct sk_buff *skb, -- struct rate_selection *sel) -+rate_control_pid_get_rate(void *priv, struct ieee80211_sta *sta, -+ void *priv_sta, -+ struct ieee80211_tx_rate_control *txrc) - { -+ struct sk_buff *skb = txrc->skb; -+ struct ieee80211_supported_band *sband = txrc->sband; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; -+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - struct rc_pid_sta_info *spinfo = priv_sta; - int rateidx; - u16 fc; - -+ /* XXX: Should use the user-configured values */ -+ if (txrc->rts) -+ info->control.rates[0].count = 4; /* long retry count */ -+ else -+ info->control.rates[0].count = 7; /* short retry count */ -+ - /* Send management frames and broadcast/multicast data using lowest - * rate. */ - fc = le16_to_cpu(hdr->frame_control); - if (!sta || !spinfo || - (fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA || - is_multicast_ether_addr(hdr->addr1)) { -- sel->rate_idx = rate_lowest_index(sband, sta); -+ info->control.rates[0].idx = rate_lowest_index(sband, sta); - return; - } - -@@ -295,7 +303,7 @@ rate_control_pid_get_rate(void *priv, st - if (rateidx >= sband->n_bitrates) - rateidx = sband->n_bitrates - 1; - -- sel->rate_idx = rateidx; -+ info->control.rates[0].idx = rateidx; - - #ifdef CONFIG_MAC80211_DEBUGFS - rate_control_pid_event_tx_rate(&spinfo->events, ---- a/net/mac80211/rc80211_minstrel.c -+++ b/net/mac80211/rc80211_minstrel.c -@@ -169,30 +169,20 @@ minstrel_tx_status(void *priv, struct ie - { - struct minstrel_sta_info *mi = priv_sta; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); -- struct ieee80211_tx_altrate *ar = info->status.retries; -- struct minstrel_priv *mp = priv; -- int i, ndx, tries; -- int success = 0; -+ struct ieee80211_tx_rate *ar = info->status.rates; -+ int i, ndx; -+ int success; - -- if (!info->status.excessive_retries) -- success = 1; -+ success = !!(info->flags & IEEE80211_TX_STAT_ACK); - -- if (!mp->has_mrr || (ar[0].rate_idx < 0)) { -- ndx = rix_to_ndx(mi, info->tx_rate_idx); -- tries = info->status.retry_count + 1; -- mi->r[ndx].success += success; -- mi->r[ndx].attempts += tries; -- return; -- } -- -- for (i = 0; i < 4; i++) { -- if (ar[i].rate_idx < 0) -+ for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) { -+ if (ar[i].idx < 0) - break; - -- ndx = rix_to_ndx(mi, ar[i].rate_idx); -- mi->r[ndx].attempts += ar[i].limit + 1; -+ ndx = rix_to_ndx(mi, ar[i].idx); -+ mi->r[ndx].attempts += ar[i].count; - -- if ((i != 3) && (ar[i + 1].rate_idx < 0)) -+ if ((i != IEEE80211_TX_MAX_RATES - 1) && (ar[i + 1].idx < 0)) - mi->r[ndx].success += success; - } - -@@ -210,9 +200,9 @@ minstrel_get_retry_count(struct minstrel - { - unsigned int retry = mr->adjusted_retry_count; - -- if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) -+ if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) - retry = max(2U, min(mr->retry_count_rtscts, retry)); -- else if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) -+ else if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) - retry = max(2U, min(mr->retry_count_cts, retry)); - return retry; - } -@@ -234,14 +224,15 @@ minstrel_get_next_sample(struct minstrel - } - - void --minstrel_get_rate(void *priv, struct ieee80211_supported_band *sband, -- struct ieee80211_sta *sta, void *priv_sta, -- struct sk_buff *skb, struct rate_selection *sel) -+minstrel_get_rate(void *priv, struct ieee80211_sta *sta, -+ void *priv_sta, struct ieee80211_tx_rate_control *txrc) - { -+ struct sk_buff *skb = txrc->skb; -+ struct ieee80211_supported_band *sband = txrc->sband; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - struct minstrel_sta_info *mi = priv_sta; - struct minstrel_priv *mp = priv; -- struct ieee80211_tx_altrate *ar = info->control.retries; -+ struct ieee80211_tx_rate *ar = info->control.rates; - unsigned int ndx, sample_ndx = 0; - bool mrr; - bool sample_slower = false; -@@ -251,16 +242,12 @@ minstrel_get_rate(void *priv, struct iee - int sample_rate; - - if (!sta || !mi || use_low_rate(skb)) { -- sel->rate_idx = rate_lowest_index(sband, sta); -+ ar[0].idx = rate_lowest_index(sband, sta); -+ ar[0].count = mp->max_retry; - return; - } - -- mrr = mp->has_mrr; -- -- /* mac80211 does not allow mrr for RTS/CTS */ -- if ((info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) || -- (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT)) -- mrr = false; -+ mrr = mp->has_mrr && !txrc->rts && !txrc->bss_conf->use_cts_prot; - - if (time_after(jiffies, mi->stats_update + (mp->update_interval * - HZ) / 1000)) -@@ -315,13 +302,12 @@ minstrel_get_rate(void *priv, struct iee - mi->sample_deferred++; - } - } -- sel->rate_idx = mi->r[ndx].rix; -- info->control.retry_limit = minstrel_get_retry_count(&mi->r[ndx], info); -+ ar[0].idx = mi->r[ndx].rix; -+ ar[0].count = minstrel_get_retry_count(&mi->r[ndx], info); - - if (!mrr) { -- ar[0].rate_idx = mi->lowest_rix; -- ar[0].limit = mp->max_retry; -- ar[1].rate_idx = -1; -+ ar[1].idx = mi->lowest_rix; -+ ar[1].count = mp->max_retry; - return; - } - -@@ -336,9 +322,9 @@ minstrel_get_rate(void *priv, struct iee - } - mrr_ndx[1] = mi->max_prob_rate; - mrr_ndx[2] = 0; -- for (i = 0; i < 3; i++) { -- ar[i].rate_idx = mi->r[mrr_ndx[i]].rix; -- ar[i].limit = mi->r[mrr_ndx[i]].adjusted_retry_count; -+ for (i = 1; i < 4; i++) { -+ ar[i].idx = mi->r[mrr_ndx[i - 1]].rix; -+ ar[i].count = mi->r[mrr_ndx[i - 1]].adjusted_retry_count; - } - } - -@@ -532,13 +518,13 @@ minstrel_alloc(struct ieee80211_hw *hw, - /* maximum time that the hw is allowed to stay in one MRR segment */ - mp->segment_size = 6000; - -- if (hw->max_altrate_tries > 0) -- mp->max_retry = hw->max_altrate_tries; -+ if (hw->max_rate_tries > 0) -+ mp->max_retry = hw->max_rate_tries; - else - /* safe default, does not necessarily have to match hw properties */ - mp->max_retry = 7; - -- if (hw->max_altrates >= 3) -+ if (hw->max_rates >= 4) - mp->has_mrr = true; - - mp->hw = hw; ---- a/net/mac80211/rc80211_pid_debugfs.c -+++ b/net/mac80211/rc80211_pid_debugfs.c -@@ -43,6 +43,7 @@ void rate_control_pid_event_tx_status(st - { - union rc_pid_event_data evd; - -+ evd.flags = stat->flags; - memcpy(&evd.tx_status, stat, sizeof(struct ieee80211_tx_info)); - rate_control_pid_event(buf, RC_PID_EVENT_TYPE_TX_STATUS, &evd); - } -@@ -167,8 +168,8 @@ static ssize_t rate_control_pid_events_r - switch (ev->type) { - case RC_PID_EVENT_TYPE_TX_STATUS: - p += snprintf(pb + p, length - p, "tx_status %u %u", -- ev->data.tx_status.status.excessive_retries, -- ev->data.tx_status.status.retry_count); -+ !(ev->data.flags & IEEE80211_TX_STAT_ACK), -+ ev->data.tx_status.status.rates[0].idx); - break; - case RC_PID_EVENT_TYPE_RATE_CHANGE: - p += snprintf(pb + p, length - p, "rate_change %d %d", ---- a/net/mac80211/rc80211_pid.h -+++ b/net/mac80211/rc80211_pid.h -@@ -61,6 +61,7 @@ enum rc_pid_event_type { - union rc_pid_event_data { - /* RC_PID_EVENT_TX_STATUS */ - struct { -+ u32 flags; - struct ieee80211_tx_info tx_status; - }; - /* RC_PID_EVENT_TYPE_RATE_CHANGE */ ---- a/drivers/net/wireless/zd1211rw/zd_mac.c -+++ b/drivers/net/wireless/zd1211rw/zd_mac.c -@@ -296,15 +296,14 @@ static void zd_op_stop(struct ieee80211_ - * If no status information has been requested, the skb is freed. - */ - static void tx_status(struct ieee80211_hw *hw, struct sk_buff *skb, -- u32 flags, int ackssi, bool success) -+ int ackssi, bool success) - { - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - -- memset(&info->status, 0, sizeof(info->status)); -+ ieee80211_tx_info_clear_status(info); - -- if (!success) -- info->status.excessive_retries = 1; -- info->flags |= flags; -+ if (success) -+ info->flags |= IEEE80211_TX_STAT_ACK; - info->status.ack_signal = ackssi; - ieee80211_tx_status_irqsafe(hw, skb); - } -@@ -326,7 +325,7 @@ void zd_mac_tx_failed(struct ieee80211_h - if (skb == NULL) - return; - -- tx_status(hw, skb, 0, 0, 0); -+ tx_status(hw, skb, 0, 0); - } - - /** -@@ -347,7 +346,7 @@ void zd_mac_tx_to_dev(struct sk_buff *sk - skb_pull(skb, sizeof(struct zd_ctrlset)); - if (unlikely(error || - (info->flags & IEEE80211_TX_CTL_NO_ACK))) { -- tx_status(hw, skb, 0, 0, !error); -+ tx_status(hw, skb, 0, !error); - } else { - struct sk_buff_head *q = - &zd_hw_mac(hw)->ack_wait_queue; -@@ -406,7 +405,8 @@ static int zd_calc_tx_length_us(u8 *serv - } - - static void cs_set_control(struct zd_mac *mac, struct zd_ctrlset *cs, -- struct ieee80211_hdr *header, u32 flags) -+ struct ieee80211_hdr *header, -+ struct ieee80211_tx_info *info) - { - /* - * CONTROL TODO: -@@ -417,7 +417,7 @@ static void cs_set_control(struct zd_mac - cs->control = 0; - - /* First fragment */ -- if (flags & IEEE80211_TX_CTL_FIRST_FRAGMENT) -+ if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT) - cs->control |= ZD_CS_NEED_RANDOM_BACKOFF; - - /* Multicast */ -@@ -428,10 +428,10 @@ static void cs_set_control(struct zd_mac - if (ieee80211_is_pspoll(header->frame_control)) - cs->control |= ZD_CS_PS_POLL_FRAME; - -- if (flags & IEEE80211_TX_CTL_USE_RTS_CTS) -+ if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) - cs->control |= ZD_CS_RTS; - -- if (flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) -+ if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) - cs->control |= ZD_CS_SELF_CTS; - - /* FIXME: Management frame? */ -@@ -517,12 +517,12 @@ static int fill_ctrlset(struct zd_mac *m - txrate = ieee80211_get_tx_rate(mac->hw, info); - - cs->modulation = txrate->hw_value; -- if (info->flags & IEEE80211_TX_CTL_SHORT_PREAMBLE) -+ if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) - cs->modulation = txrate->hw_value_short; - - cs->tx_length = cpu_to_le16(frag_len); - -- cs_set_control(mac, cs, hdr, info->flags); -+ cs_set_control(mac, cs, hdr, info); - - packet_length = frag_len + sizeof(struct zd_ctrlset) + 10; - ZD_ASSERT(packet_length <= 0xffff); -@@ -618,7 +618,7 @@ static int filter_ack(struct ieee80211_h - if (likely(!compare_ether_addr(tx_hdr->addr2, rx_hdr->addr1))) - { - __skb_unlink(skb, q); -- tx_status(hw, skb, IEEE80211_TX_STAT_ACK, stats->signal, 1); -+ tx_status(hw, skb, stats->signal, 1); - goto out; - } - } ---- a/drivers/net/wireless/rt2x00/rt2x00dev.c -+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c -@@ -499,6 +499,7 @@ void rt2x00lib_txdone(struct queue_entry - struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; - struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(entry->skb); - enum data_queue_qid qid = skb_get_queue_mapping(entry->skb); -+ bool rts; - - /* - * Unmap the skb. -@@ -528,14 +529,14 @@ void rt2x00lib_txdone(struct queue_entry - rt2x00dev->link.qual.tx_failed += - test_bit(TXDONE_FAILURE, &txdesc->flags); - -+ rts = !!(tx_info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS); -+ - /* - * Initialize TX status - */ -- memset(&tx_info->status, 0, sizeof(tx_info->status)); -+ ieee80211_tx_info_clear_status(tx_info); - tx_info->status.ack_signal = 0; -- tx_info->status.excessive_retries = -- test_bit(TXDONE_EXCESSIVE_RETRY, &txdesc->flags); -- tx_info->status.retry_count = txdesc->retry; -+ tx_info->status.rates[0].count = txdesc->retry + 1; - - if (!(tx_info->flags & IEEE80211_TX_CTL_NO_ACK)) { - if (test_bit(TXDONE_SUCCESS, &txdesc->flags)) -@@ -544,7 +545,7 @@ void rt2x00lib_txdone(struct queue_entry - rt2x00dev->low_level_stats.dot11ACKFailureCount++; - } - -- if (tx_info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) { -+ if (rts) { - if (test_bit(TXDONE_SUCCESS, &txdesc->flags)) - rt2x00dev->low_level_stats.dot11RTSSuccessCount++; - else if (test_bit(TXDONE_FAILURE, &txdesc->flags)) ---- a/drivers/net/wireless/rt2x00/rt2x00mac.c -+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c -@@ -39,7 +39,7 @@ static int rt2x00mac_tx_rts_cts(struct r - unsigned int data_length; - int retval = 0; - -- if (tx_info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) -+ if (tx_info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) - data_length = sizeof(struct ieee80211_cts); - else - data_length = sizeof(struct ieee80211_rts); -@@ -64,11 +64,11 @@ static int rt2x00mac_tx_rts_cts(struct r - */ - memcpy(skb->cb, frag_skb->cb, sizeof(skb->cb)); - rts_info = IEEE80211_SKB_CB(skb); -- rts_info->flags &= ~IEEE80211_TX_CTL_USE_RTS_CTS; -- rts_info->flags &= ~IEEE80211_TX_CTL_USE_CTS_PROTECT; -+ rts_info->control.rates[0].flags &= ~IEEE80211_TX_RC_USE_RTS_CTS; -+ rts_info->control.rates[0].flags &= ~IEEE80211_TX_RC_USE_CTS_PROTECT; - rts_info->flags &= ~IEEE80211_TX_CTL_REQ_TX_STATUS; - -- if (tx_info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) -+ if (tx_info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) - rts_info->flags |= IEEE80211_TX_CTL_NO_ACK; - else - rts_info->flags &= ~IEEE80211_TX_CTL_NO_ACK; -@@ -84,7 +84,7 @@ static int rt2x00mac_tx_rts_cts(struct r - data_length += rt2x00crypto_tx_overhead(tx_info); - #endif /* CONFIG_RT2X00_LIB_CRYPTO */ - -- if (tx_info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) -+ if (tx_info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) - ieee80211_ctstoself_get(rt2x00dev->hw, tx_info->control.vif, - frag_skb->data, data_length, tx_info, - (struct ieee80211_cts *)(skb->data)); -@@ -146,8 +146,8 @@ int rt2x00mac_tx(struct ieee80211_hw *hw - * inside the hardware. - */ - frame_control = le16_to_cpu(ieee80211hdr->frame_control); -- if ((tx_info->flags & (IEEE80211_TX_CTL_USE_RTS_CTS | -- IEEE80211_TX_CTL_USE_CTS_PROTECT)) && -+ if ((tx_info->control.rates[0].flags & (IEEE80211_TX_RC_USE_RTS_CTS | -+ IEEE80211_TX_RC_USE_CTS_PROTECT)) && - !rt2x00dev->ops->hw->set_rts_threshold) { - if (rt2x00queue_available(queue) <= 1) - goto exit_fail; ---- a/drivers/net/wireless/rt2x00/rt2x00queue.c -+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c -@@ -230,8 +230,15 @@ static void rt2x00queue_create_tx_descri - /* - * Determine retry information. - */ -- txdesc->retry_limit = tx_info->control.retry_limit; -- if (tx_info->flags & IEEE80211_TX_CTL_LONG_RETRY_LIMIT) -+ txdesc->retry_limit = tx_info->control.rates[0].count - 1; -+ /* -+ * XXX: If at this point we knew whether the HW is going to use -+ * the RETRY_MODE bit or the retry_limit (currently all -+ * use the RETRY_MODE bit) we could do something like b43 -+ * does, set the RETRY_MODE bit when the RC algorithm is -+ * requesting more than the long retry limit. -+ */ -+ if (tx_info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) - __set_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags); - - /* ---- a/drivers/net/wireless/adm8211.c -+++ b/drivers/net/wireless/adm8211.c -@@ -341,15 +341,14 @@ static void adm8211_interrupt_tci(struct - pci_unmap_single(priv->pdev, info->mapping, - info->skb->len, PCI_DMA_TODEVICE); - -- memset(&txi->status, 0, sizeof(txi->status)); -+ ieee80211_tx_info_clear_status(txi); -+ - skb_pull(skb, sizeof(struct adm8211_tx_hdr)); - memcpy(skb_push(skb, info->hdrlen), skb->cb, info->hdrlen); -- if (!(txi->flags & IEEE80211_TX_CTL_NO_ACK)) { -- if (status & TDES0_STATUS_ES) -- txi->status.excessive_retries = 1; -- else -- txi->flags |= IEEE80211_TX_STAT_ACK; -- } -+ if (!(txi->flags & IEEE80211_TX_CTL_NO_ACK) && -+ !(status & TDES0_STATUS_ES)) -+ txi->flags |= IEEE80211_TX_STAT_ACK; -+ - ieee80211_tx_status_irqsafe(dev, skb); - - info->skb = NULL; -@@ -1691,8 +1690,10 @@ static int adm8211_tx(struct ieee80211_h - struct ieee80211_hdr *hdr; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - struct ieee80211_rate *txrate = ieee80211_get_tx_rate(dev, info); -+ u8 rc_flags; - -- short_preamble = !!(txrate->flags & IEEE80211_TX_CTL_SHORT_PREAMBLE); -+ rc_flags = info->control.rates[0].flags; -+ short_preamble = !!(rc_flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE); - plcp_signal = txrate->bitrate; - - hdr = (struct ieee80211_hdr *)skb->data; -@@ -1724,10 +1725,10 @@ static int adm8211_tx(struct ieee80211_h - if (short_preamble) - txhdr->header_control |= cpu_to_le16(ADM8211_TXHDRCTL_SHORT_PREAMBLE); - -- if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) -+ if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS) - txhdr->header_control |= cpu_to_le16(ADM8211_TXHDRCTL_ENABLE_RTS); - -- txhdr->retry_limit = info->control.retry_limit; -+ txhdr->retry_limit = info->control.rates[0].count; - - adm8211_tx_raw(dev, skb, plcp_signal, hdrlen); - ---- a/drivers/net/wireless/ath5k/base.c -+++ b/drivers/net/wireless/ath5k/base.c -@@ -542,8 +542,8 @@ ath5k_pci_probe(struct pci_dev *pdev, - - /* set up multi-rate retry capabilities */ - if (sc->ah->ah_version == AR5K_AR5212) { -- hw->max_altrates = 3; -- hw->max_altrate_tries = 11; -+ hw->max_rates = 4; -+ hw->max_rate_tries = 11; - } - - /* Finish private driver data initialization */ -@@ -1188,7 +1188,7 @@ ath5k_txbuf_setup(struct ath5k_softc *sc - ieee80211_get_hdrlen_from_skb(skb), AR5K_PKT_TYPE_NORMAL, - (sc->power_level * 2), - ieee80211_get_tx_rate(sc->hw, info)->hw_value, -- info->control.retry_limit, keyidx, 0, flags, 0, 0); -+ info->control.rates[0].count, keyidx, 0, flags, 0, 0); - if (ret) - goto err_unmap; - -@@ -1200,7 +1200,7 @@ ath5k_txbuf_setup(struct ath5k_softc *sc - break; - - mrr_rate[i] = rate->hw_value; -- mrr_tries[i] = info->control.retries[i].limit; -+ mrr_tries[i] = info->control.rates[i + 1].count; - } - - ah->ah_setup_mrr_tx_desc(ah, ds, -@@ -1846,30 +1846,26 @@ ath5k_tx_processq(struct ath5k_softc *sc - pci_unmap_single(sc->pdev, bf->skbaddr, skb->len, - PCI_DMA_TODEVICE); - -- memset(&info->status, 0, sizeof(info->status)); -- info->tx_rate_idx = ath5k_hw_to_driver_rix(sc, -- ts.ts_rate[ts.ts_final_idx]); -- info->status.retry_count = ts.ts_longretry; -- -+ ieee80211_tx_info_clear_status(info); - for (i = 0; i < 4; i++) { -- struct ieee80211_tx_altrate *r = -- &info->status.retries[i]; -+ struct ieee80211_tx_rate *r = -+ &info->status.rates[i]; - - if (ts.ts_rate[i]) { -- r->rate_idx = ath5k_hw_to_driver_rix(sc, ts.ts_rate[i]); -- r->limit = ts.ts_retry[i]; -+ r->idx = ath5k_hw_to_driver_rix(sc, ts.ts_rate[i]); -+ r->count = ts.ts_retry[i]; - } else { -- r->rate_idx = -1; -- r->limit = 0; -+ r->idx = -1; -+ r->count = 0; - } - } - -- info->status.excessive_retries = 0; -+ /* count the successful attempt as well */ -+ info->status.rates[ts.ts_final_idx].count++; -+ - if (unlikely(ts.ts_status)) { - sc->ll_stats.dot11ACKFailureCount++; -- if (ts.ts_status & AR5K_TXERR_XRETRY) -- info->status.excessive_retries = 1; -- else if (ts.ts_status & AR5K_TXERR_FILT) -+ if (ts.ts_status & AR5K_TXERR_FILT) - info->flags |= IEEE80211_TX_STAT_TX_FILTERED; - } else { - info->flags |= IEEE80211_TX_STAT_ACK; ---- a/drivers/net/wireless/ath9k/main.c -+++ b/drivers/net/wireless/ath9k/main.c -@@ -461,12 +461,13 @@ void ath_tx_complete(struct ath_softc *s - DPRINTF(sc, ATH_DBG_XMIT, - "%s: TX complete: skb: %p\n", __func__, skb); - -+ ieee80211_tx_info_clear_status(tx_info); - if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK || - tx_info->flags & IEEE80211_TX_STAT_TX_FILTERED) { -- /* free driver's private data area of tx_info */ -- if (tx_info->driver_data[0] != NULL) -- kfree(tx_info->driver_data[0]); -- tx_info->driver_data[0] = NULL; -+ /* free driver's private data area of tx_info, XXX: HACK! */ -+ if (tx_info->control.vif != NULL) -+ kfree(tx_info->control.vif); -+ tx_info->control.vif = NULL; - } - - if (tx_status->flags & ATH_TX_BAR) { -@@ -474,17 +475,12 @@ void ath_tx_complete(struct ath_softc *s - tx_status->flags &= ~ATH_TX_BAR; - } - -- if (tx_status->flags & (ATH_TX_ERROR | ATH_TX_XRETRY)) { -- if (!(tx_info->flags & IEEE80211_TX_CTL_NO_ACK)) { -- /* Frame was not ACKed, but an ACK was expected */ -- tx_info->status.excessive_retries = 1; -- } -- } else { -+ if (!(tx_status->flags & (ATH_TX_ERROR | ATH_TX_XRETRY))) { - /* Frame was ACKed */ - tx_info->flags |= IEEE80211_TX_STAT_ACK; - } - -- tx_info->status.retry_count = tx_status->retries; -+ tx_info->status.rates[0].count = tx_status->retries + 1; - - ieee80211_tx_status(hw, skb); - if (an) ---- a/drivers/net/wireless/ath9k/rc.c -+++ b/drivers/net/wireless/ath9k/rc.c -@@ -1864,24 +1864,21 @@ static void ath_tx_status(void *priv, st - - hdr = (struct ieee80211_hdr *)skb->data; - fc = hdr->frame_control; -- tx_info_priv = (struct ath_tx_info_priv *)tx_info->driver_data[0]; -+ /* XXX: UGLY HACK!! */ -+ tx_info_priv = (struct ath_tx_info_priv *)tx_info->control.vif; - - spin_lock_bh(&sc->node_lock); - an = ath_node_find(sc, hdr->addr1); - spin_unlock_bh(&sc->node_lock); - -- if (!an || !priv_sta || !ieee80211_is_data(fc)) { -- if (tx_info->driver_data[0] != NULL) { -- kfree(tx_info->driver_data[0]); -- tx_info->driver_data[0] = NULL; -- } -+ if (tx_info_priv == NULL) - return; -- } -- if (tx_info->driver_data[0] != NULL) { -+ -+ if (an && priv_sta && ieee80211_is_data(fc)) - ath_rate_tx_complete(sc, an, priv_sta, tx_info_priv); -- kfree(tx_info->driver_data[0]); -- tx_info->driver_data[0] = NULL; -- } -+ -+ kfree(tx_info_priv); -+ tx_info->control.vif = NULL; - } - - static void ath_tx_aggr_resp(struct ath_softc *sc, -@@ -1927,10 +1924,11 @@ static void ath_tx_aggr_resp(struct ath_ - } - } - --static void ath_get_rate(void *priv, struct ieee80211_supported_band *sband, -- struct ieee80211_sta *sta, void *priv_sta, -- struct sk_buff *skb, struct rate_selection *sel) -+static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta, -+ struct ieee80211_tx_rate_control *txrc) - { -+ struct ieee80211_supported_band *sband = txrc->sband; -+ struct sk_buff *skb = txrc->skb; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; - struct ath_softc *sc = priv; - struct ieee80211_hw *hw = sc->hw; -@@ -1946,17 +1944,17 @@ static void ath_get_rate(void *priv, str - - DPRINTF(sc, ATH_DBG_RATE, "%s\n", __func__); - -- /* allocate driver private area of tx_info */ -- tx_info->driver_data[0] = kzalloc(sizeof(*tx_info_priv), GFP_ATOMIC); -- ASSERT(tx_info->driver_data[0] != NULL); -- tx_info_priv = (struct ath_tx_info_priv *)tx_info->driver_data[0]; -+ /* allocate driver private area of tx_info, XXX: UGLY HACK! */ -+ tx_info->control.vif = kzalloc(sizeof(*tx_info_priv), GFP_ATOMIC); -+ tx_info_priv = (struct ath_tx_info_priv *)tx_info->control.vif; -+ ASSERT(tx_info_priv != NULL); - - lowest_idx = rate_lowest_index(sband, sta); - tx_info_priv->min_rate = (sband->bitrates[lowest_idx].bitrate * 2) / 10; - /* lowest rate for management and multicast/broadcast frames */ - if (!ieee80211_is_data(fc) || - is_multicast_ether_addr(hdr->addr1) || !sta) { -- sel->rate_idx = lowest_idx; -+ tx_info->control.rates[0].idx = lowest_idx; - return; - } - -@@ -1967,8 +1965,10 @@ static void ath_get_rate(void *priv, str - tx_info_priv->rcs, - &is_probe, - false); -+#if 0 - if (is_probe) - sel->probe_idx = ath_rc_priv->tx_ratectrl.probe_rate; -+#endif - - /* Ratecontrol sometimes returns invalid rate index */ - if (tx_info_priv->rcs[0].rix != 0xff) -@@ -1976,7 +1976,7 @@ static void ath_get_rate(void *priv, str - else - tx_info_priv->rcs[0].rix = ath_rc_priv->prev_data_rix; - -- sel->rate_idx = tx_info_priv->rcs[0].rix; -+ tx_info->control.rates[0].idx = tx_info_priv->rcs[0].rix; - - /* Check if aggregation has to be enabled for this tid */ - ---- a/drivers/net/wireless/ath9k/xmit.c -+++ b/drivers/net/wireless/ath9k/xmit.c -@@ -168,7 +168,9 @@ static void fill_min_rates(struct sk_buf - - hdr = (struct ieee80211_hdr *)skb->data; - fc = hdr->frame_control; -- tx_info_priv = (struct ath_tx_info_priv *)tx_info->driver_data[0]; -+ -+ /* XXX: HACK! */ -+ tx_info_priv = (struct ath_tx_info_priv *)tx_info->control.vif; - - if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc)) { - txctl->use_minrate = 1; -@@ -288,13 +290,16 @@ static int ath_tx_prepare(struct ath_sof - - if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK) - txctl->flags |= ATH9K_TXDESC_NOACK; -- if (tx_info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) -+ -+ if (tx_info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) - txctl->flags |= ATH9K_TXDESC_RTSENA; - - /* - * Setup for rate calculations. - */ -- tx_info_priv = (struct ath_tx_info_priv *)tx_info->driver_data[0]; -+ -+ /* XXX: HACK! */ -+ tx_info_priv = (struct ath_tx_info_priv *)tx_info->control.vif; - rcs = tx_info_priv->rcs; - - if (ieee80211_is_data(fc) && !txctl->use_minrate) { -@@ -854,7 +859,9 @@ static int ath_tx_send_normal(struct ath - - skb = (struct sk_buff *)bf->bf_mpdu; - tx_info = IEEE80211_SKB_CB(skb); -- tx_info_priv = (struct ath_tx_info_priv *)tx_info->driver_data[0]; -+ -+ /* XXX: HACK! */ -+ tx_info_priv = (struct ath_tx_info_priv *)tx_info->control.vif; - memcpy(bf->bf_rcs, tx_info_priv->rcs, 4 * sizeof(tx_info_priv->rcs[0])); - - /* update starting sequence number for subsequent ADDBA request */ -@@ -1248,8 +1255,9 @@ static int ath_tx_processq(struct ath_so - } - skb = bf->bf_mpdu; - tx_info = IEEE80211_SKB_CB(skb); -- tx_info_priv = (struct ath_tx_info_priv *) -- tx_info->driver_data[0]; -+ -+ /* XXX: HACK! */ -+ tx_info_priv = (struct ath_tx_info_priv *) tx_info->control.vif; - if (ds->ds_txstat.ts_status & ATH9K_TXERR_FILT) - tx_info->flags |= IEEE80211_TX_STAT_TX_FILTERED; - if ((ds->ds_txstat.ts_status & ATH9K_TXERR_FILT) == 0 && -@@ -1430,7 +1438,8 @@ static int ath_tx_send_ampdu(struct ath_ - - skb = (struct sk_buff *)bf->bf_mpdu; - tx_info = IEEE80211_SKB_CB(skb); -- tx_info_priv = (struct ath_tx_info_priv *)tx_info->driver_data[0]; -+ /* XXX: HACK! */ -+ tx_info_priv = (struct ath_tx_info_priv *)tx_info->control.vif; - memcpy(bf->bf_rcs, tx_info_priv->rcs, 4 * sizeof(tx_info_priv->rcs[0])); - - /* Add sub-frame to BAW */ -@@ -1464,7 +1473,7 @@ static u32 ath_lookup_rate(struct ath_so - skb = (struct sk_buff *)bf->bf_mpdu; - tx_info = IEEE80211_SKB_CB(skb); - tx_info_priv = (struct ath_tx_info_priv *) -- tx_info->driver_data[0]; -+ tx_info->control.vif; /* XXX: HACK! */ - memcpy(bf->bf_rcs, - tx_info_priv->rcs, 4 * sizeof(tx_info_priv->rcs[0])); - -@@ -1924,7 +1933,8 @@ static int ath_tx_start_dma(struct ath_s - - bf->bf_flags = txctl->flags; - bf->bf_keytype = txctl->keytype; -- tx_info_priv = (struct ath_tx_info_priv *)tx_info->driver_data[0]; -+ /* XXX: HACK! */ -+ tx_info_priv = (struct ath_tx_info_priv *)tx_info->control.vif; - rcs = tx_info_priv->rcs; - bf->bf_rcs[0] = rcs[0]; - bf->bf_rcs[1] = rcs[1]; ---- a/drivers/net/wireless/b43/dma.c -+++ b/drivers/net/wireless/b43/dma.c -@@ -1387,13 +1387,13 @@ void b43_dma_handle_txstatus(struct b43_ - - info = IEEE80211_SKB_CB(meta->skb); - -- memset(&info->status, 0, sizeof(info->status)); -+ ieee80211_tx_info_clear_status(info); - - /* - * Call back to inform the ieee80211 subsystem about - * the status of the transmission. - */ -- frame_succeed = b43_fill_txstatus_report(info, status); -+ frame_succeed = b43_fill_txstatus_report(dev, info, status); - #ifdef CONFIG_B43_DEBUG - if (frame_succeed) - ring->nr_succeed_tx_packets++; ---- a/drivers/net/wireless/b43/main.c -+++ b/drivers/net/wireless/b43/main.c -@@ -4563,7 +4563,7 @@ static int b43_wireless_init(struct ssb_ - BIT(NL80211_IFTYPE_ADHOC); - - hw->queues = b43_modparam_qos ? 4 : 1; -- hw->max_altrates = 1; -+ hw->max_rates = 2; - SET_IEEE80211_DEV(hw, dev->dev); - if (is_valid_ether_addr(sprom->et1mac)) - SET_IEEE80211_PERM_ADDR(hw, sprom->et1mac); ---- a/drivers/net/wireless/b43/pio.c -+++ b/drivers/net/wireless/b43/pio.c -@@ -587,9 +587,9 @@ void b43_pio_handle_txstatus(struct b43_ - spin_lock(&q->lock); /* IRQs are already disabled. */ - - info = IEEE80211_SKB_CB(pack->skb); -- memset(&info->status, 0, sizeof(info->status)); -+ ieee80211_tx_info_clear_status(info); - -- b43_fill_txstatus_report(info, status); -+ b43_fill_txstatus_report(dev, info, status); - - total_len = pack->skb->len + b43_txhdr_size(dev); - total_len = roundup(total_len, 4); ---- a/drivers/net/wireless/b43/xmit.c -+++ b/drivers/net/wireless/b43/xmit.c -@@ -185,7 +185,7 @@ int b43_generate_txhdr(struct b43_wldev - u8 *_txhdr, - const unsigned char *fragment_data, - unsigned int fragment_len, -- const struct ieee80211_tx_info *info, -+ struct ieee80211_tx_info *info, - u16 cookie) - { - struct b43_txhdr *txhdr = (struct b43_txhdr *)_txhdr; -@@ -202,6 +202,7 @@ int b43_generate_txhdr(struct b43_wldev - u16 phy_ctl = 0; - u8 extra_ft = 0; - struct ieee80211_rate *txrate; -+ struct ieee80211_tx_rate *rates; - - memset(txhdr, 0, sizeof(*txhdr)); - -@@ -291,7 +292,7 @@ int b43_generate_txhdr(struct b43_wldev - phy_ctl |= B43_TXH_PHY_ENC_OFDM; - else - phy_ctl |= B43_TXH_PHY_ENC_CCK; -- if (info->flags & IEEE80211_TX_CTL_SHORT_PREAMBLE) -+ if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) - phy_ctl |= B43_TXH_PHY_SHORTPRMBL; - - switch (b43_ieee80211_antenna_sanitize(dev, info->antenna_sel_tx)) { -@@ -314,6 +315,7 @@ int b43_generate_txhdr(struct b43_wldev - B43_WARN_ON(1); - } - -+ rates = info->control.rates; - /* MAC control */ - if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) - mac_ctl |= B43_TXH_MAC_ACK; -@@ -324,12 +326,22 @@ int b43_generate_txhdr(struct b43_wldev - mac_ctl |= B43_TXH_MAC_STMSDU; - if (phy->type == B43_PHYTYPE_A) - mac_ctl |= B43_TXH_MAC_5GHZ; -- if (info->flags & IEEE80211_TX_CTL_LONG_RETRY_LIMIT) -+ -+ /* Overwrite rates[0].count to make the retry calculation -+ * in the tx status easier. need the actual retry limit to -+ * detect whether the fallback rate was used. -+ */ -+ if ((rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) || -+ (rates[0].count <= dev->wl->hw->conf.long_frame_max_tx_count)) { -+ rates[0].count = dev->wl->hw->conf.long_frame_max_tx_count; - mac_ctl |= B43_TXH_MAC_LONGFRAME; -+ } else { -+ rates[0].count = dev->wl->hw->conf.short_frame_max_tx_count; -+ } - - /* Generate the RTS or CTS-to-self frame */ -- if ((info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) || -- (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT)) { -+ if ((rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) || -+ (rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)) { - unsigned int len; - struct ieee80211_hdr *hdr; - int rts_rate, rts_rate_fb; -@@ -344,7 +356,7 @@ int b43_generate_txhdr(struct b43_wldev - rts_rate_fb = b43_calc_fallback_rate(rts_rate); - rts_rate_fb_ofdm = b43_is_ofdm_rate(rts_rate_fb); - -- if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) { -+ if (rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) { - struct ieee80211_cts *cts; - - if (b43_is_old_txhdr_format(dev)) { -@@ -687,10 +699,18 @@ void b43_handle_txstatus(struct b43_wlde - /* Fill out the mac80211 TXstatus report based on the b43-specific - * txstatus report data. This returns a boolean whether the frame was - * successfully transmitted. */ --bool b43_fill_txstatus_report(struct ieee80211_tx_info *report, -+bool b43_fill_txstatus_report(struct b43_wldev *dev, -+ struct ieee80211_tx_info *report, - const struct b43_txstatus *status) - { - bool frame_success = 1; -+ int retry_limit; -+ -+ /* preserve the confiured retry limit before clearing the status -+ * The xmit function has overwritten the rc's value with the actual -+ * retry limit done by the hardware */ -+ retry_limit = report->status.rates[0].count; -+ ieee80211_tx_info_clear_status(report); - - if (status->acked) { - /* The frame was ACKed. */ -@@ -700,14 +720,32 @@ bool b43_fill_txstatus_report(struct iee - if (!(report->flags & IEEE80211_TX_CTL_NO_ACK)) { - /* ...but we expected an ACK. */ - frame_success = 0; -- report->status.excessive_retries = 1; - } - } - if (status->frame_count == 0) { - /* The frame was not transmitted at all. */ -- report->status.retry_count = 0; -- } else -- report->status.retry_count = status->frame_count - 1; -+ report->status.rates[0].count = 0; -+ } else if (status->rts_count > dev->wl->hw->conf.short_frame_max_tx_count) { -+ /* -+ * If the short retries (RTS, not data frame) have exceeded -+ * the limit, the hw will not have tried the selected rate, -+ * but will have used the fallback rate instead. -+ * Don't let the rate control count attempts for the selected -+ * rate in this case, otherwise the statistics will be off. -+ */ -+ report->status.rates[0].count = 0; -+ report->status.rates[1].count = status->frame_count; -+ } else { -+ if (status->frame_count > retry_limit) { -+ report->status.rates[0].count = retry_limit; -+ report->status.rates[1].count = status->frame_count - -+ retry_limit; -+ -+ } else { -+ report->status.rates[0].count = status->frame_count; -+ report->status.rates[1].idx = -1; -+ } -+ } - - return frame_success; - } ---- a/drivers/net/wireless/b43/xmit.h -+++ b/drivers/net/wireless/b43/xmit.h -@@ -178,7 +178,7 @@ int b43_generate_txhdr(struct b43_wldev - u8 * txhdr, - const unsigned char *fragment_data, - unsigned int fragment_len, -- const struct ieee80211_tx_info *txctl, u16 cookie); -+ struct ieee80211_tx_info *txctl, u16 cookie); - - /* Transmit Status */ - struct b43_txstatus { -@@ -294,7 +294,8 @@ void b43_rx(struct b43_wldev *dev, struc - - void b43_handle_txstatus(struct b43_wldev *dev, - const struct b43_txstatus *status); --bool b43_fill_txstatus_report(struct ieee80211_tx_info *report, -+bool b43_fill_txstatus_report(struct b43_wldev *dev, -+ struct ieee80211_tx_info *report, - const struct b43_txstatus *status); - - void b43_tx_suspend(struct b43_wldev *dev); ---- a/drivers/net/wireless/b43legacy/dma.c -+++ b/drivers/net/wireless/b43legacy/dma.c -@@ -1411,6 +1411,7 @@ void b43legacy_dma_handle_txstatus(struc - struct b43legacy_dmaring *ring; - struct b43legacy_dmadesc_generic *desc; - struct b43legacy_dmadesc_meta *meta; -+ int retry_limit; - int slot; - - ring = parse_cookie(dev, status->cookie, &slot); -@@ -1437,25 +1438,42 @@ void b43legacy_dma_handle_txstatus(struc - struct ieee80211_tx_info *info; - BUG_ON(!meta->skb); - info = IEEE80211_SKB_CB(meta->skb); -- /* Call back to inform the ieee80211 subsystem about the -- * status of the transmission. -- * Some fields of txstat are already filled in dma_tx(). -- */ - -- memset(&info->status, 0, sizeof(info->status)); -+ /* preserve the confiured retry limit before clearing the status -+ * The xmit function has overwritten the rc's value with the actual -+ * retry limit done by the hardware */ -+ retry_limit = info->status.rates[0].count; -+ ieee80211_tx_info_clear_status(info); - -- if (status->acked) { -+ if (status->acked) - info->flags |= IEEE80211_TX_STAT_ACK; -+ -+ if (status->rts_count > dev->wl->hw->conf.short_frame_max_tx_count) { -+ /* -+ * If the short retries (RTS, not data frame) have exceeded -+ * the limit, the hw will not have tried the selected rate, -+ * but will have used the fallback rate instead. -+ * Don't let the rate control count attempts for the selected -+ * rate in this case, otherwise the statistics will be off. -+ */ -+ info->status.rates[0].count = 0; -+ info->status.rates[1].count = status->frame_count; - } else { -- if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) -- info->status.excessive_retries = 1; -+ if (status->frame_count > retry_limit) { -+ info->status.rates[0].count = retry_limit; -+ info->status.rates[1].count = status->frame_count - -+ retry_limit; -+ -+ } else { -+ info->status.rates[0].count = status->frame_count; -+ info->status.rates[1].idx = -1; -+ } - } -- if (status->frame_count == 0) { -- /* The frame was not transmitted at all. */ -- info->status.retry_count = 0; -- } else -- info->status.retry_count = status->frame_count -- - 1; -+ -+ /* Call back to inform the ieee80211 subsystem about the -+ * status of the transmission. -+ * Some fields of txstat are already filled in dma_tx(). -+ */ - ieee80211_tx_status_irqsafe(dev->wl->hw, meta->skb); - /* skb is freed by ieee80211_tx_status_irqsafe() */ - meta->skb = NULL; ---- a/drivers/net/wireless/b43legacy/main.c -+++ b/drivers/net/wireless/b43legacy/main.c -@@ -3691,7 +3691,7 @@ static int b43legacy_wireless_init(struc - BIT(NL80211_IFTYPE_WDS) | - BIT(NL80211_IFTYPE_ADHOC); - hw->queues = 1; /* FIXME: hardware has more queues */ -- hw->max_altrates = 1; -+ hw->max_rates = 2; - SET_IEEE80211_DEV(hw, dev->dev); - if (is_valid_ether_addr(sprom->et1mac)) - SET_IEEE80211_PERM_ADDR(hw, sprom->et1mac); ---- a/drivers/net/wireless/b43legacy/pio.c -+++ b/drivers/net/wireless/b43legacy/pio.c -@@ -491,6 +491,7 @@ void b43legacy_pio_handle_txstatus(struc - struct b43legacy_pioqueue *queue; - struct b43legacy_pio_txpacket *packet; - struct ieee80211_tx_info *info; -+ int retry_limit; - - queue = parse_cookie(dev, status->cookie, &packet); - B43legacy_WARN_ON(!queue); -@@ -503,11 +504,37 @@ void b43legacy_pio_handle_txstatus(struc - sizeof(struct b43legacy_txhdr_fw3)); - - info = IEEE80211_SKB_CB(packet->skb); -- memset(&info->status, 0, sizeof(info->status)); -+ -+ /* preserve the confiured retry limit before clearing the status -+ * The xmit function has overwritten the rc's value with the actual -+ * retry limit done by the hardware */ -+ retry_limit = info->status.rates[0].count; -+ ieee80211_tx_info_clear_status(info); - - if (status->acked) - info->flags |= IEEE80211_TX_STAT_ACK; -- info->status.retry_count = status->frame_count - 1; -+ -+ if (status->rts_count > dev->wl->hw->conf.short_frame_max_tx_count) { -+ /* -+ * If the short retries (RTS, not data frame) have exceeded -+ * the limit, the hw will not have tried the selected rate, -+ * but will have used the fallback rate instead. -+ * Don't let the rate control count attempts for the selected -+ * rate in this case, otherwise the statistics will be off. -+ */ -+ info->status.rates[0].count = 0; -+ info->status.rates[1].count = status->frame_count; -+ } else { -+ if (status->frame_count > retry_limit) { -+ info->status.rates[0].count = retry_limit; -+ info->status.rates[1].count = status->frame_count - -+ retry_limit; -+ -+ } else { -+ info->status.rates[0].count = status->frame_count; -+ info->status.rates[1].idx = -1; -+ } -+ } - ieee80211_tx_status_irqsafe(dev->wl->hw, packet->skb); - packet->skb = NULL; - ---- a/drivers/net/wireless/b43legacy/xmit.c -+++ b/drivers/net/wireless/b43legacy/xmit.c -@@ -188,7 +188,7 @@ static int generate_txhdr_fw3(struct b43 - struct b43legacy_txhdr_fw3 *txhdr, - const unsigned char *fragment_data, - unsigned int fragment_len, -- const struct ieee80211_tx_info *info, -+ struct ieee80211_tx_info *info, - u16 cookie) - { - const struct ieee80211_hdr *wlhdr; -@@ -201,6 +201,7 @@ static int generate_txhdr_fw3(struct b43 - u32 mac_ctl = 0; - u16 phy_ctl = 0; - struct ieee80211_rate *tx_rate; -+ struct ieee80211_tx_rate *rates; - - wlhdr = (const struct ieee80211_hdr *)fragment_data; - -@@ -274,7 +275,7 @@ static int generate_txhdr_fw3(struct b43 - /* PHY TX Control word */ - if (rate_ofdm) - phy_ctl |= B43legacy_TX4_PHY_OFDM; -- if (dev->short_preamble) -+ if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) - phy_ctl |= B43legacy_TX4_PHY_SHORTPRMBL; - switch (info->antenna_sel_tx) { - case 0: -@@ -291,6 +292,7 @@ static int generate_txhdr_fw3(struct b43 - } - - /* MAC control */ -+ rates = info->control.rates; - if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) - mac_ctl |= B43legacy_TX4_MAC_ACK; - if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) -@@ -299,12 +301,22 @@ static int generate_txhdr_fw3(struct b43 - mac_ctl |= B43legacy_TX4_MAC_STMSDU; - if (rate_fb_ofdm) - mac_ctl |= B43legacy_TX4_MAC_FALLBACKOFDM; -- if (info->flags & IEEE80211_TX_CTL_LONG_RETRY_LIMIT) -+ -+ /* Overwrite rates[0].count to make the retry calculation -+ * in the tx status easier. need the actual retry limit to -+ * detect whether the fallback rate was used. -+ */ -+ if ((rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) || -+ (rates[0].count <= dev->wl->hw->conf.long_frame_max_tx_count)) { -+ rates[0].count = dev->wl->hw->conf.long_frame_max_tx_count; - mac_ctl |= B43legacy_TX4_MAC_LONGFRAME; -+ } else { -+ rates[0].count = dev->wl->hw->conf.short_frame_max_tx_count; -+ } - - /* Generate the RTS or CTS-to-self frame */ -- if ((info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) || -- (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT)) { -+ if ((rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) || -+ (rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)) { - unsigned int len; - struct ieee80211_hdr *hdr; - int rts_rate; -@@ -319,7 +331,7 @@ static int generate_txhdr_fw3(struct b43 - if (rts_rate_fb_ofdm) - mac_ctl |= B43legacy_TX4_MAC_CTSFALLBACKOFDM; - -- if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) { -+ if (rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) { - ieee80211_ctstoself_get(dev->wl->hw, - info->control.vif, - fragment_data, -@@ -362,7 +374,7 @@ int b43legacy_generate_txhdr(struct b43l - u8 *txhdr, - const unsigned char *fragment_data, - unsigned int fragment_len, -- const struct ieee80211_tx_info *info, -+ struct ieee80211_tx_info *info, - u16 cookie) - { - return generate_txhdr_fw3(dev, (struct b43legacy_txhdr_fw3 *)txhdr, ---- a/drivers/net/wireless/b43legacy/xmit.h -+++ b/drivers/net/wireless/b43legacy/xmit.h -@@ -80,7 +80,7 @@ int b43legacy_generate_txhdr(struct b43l - u8 *txhdr, - const unsigned char *fragment_data, - unsigned int fragment_len, -- const struct ieee80211_tx_info *info, -+ struct ieee80211_tx_info *info, - u16 cookie); - - ---- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c -+++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c -@@ -422,34 +422,6 @@ static void rs_free_sta(void *priv, stru - } - - --/* -- * get ieee prev rate from rate scale table. -- * for A and B mode we need to overright prev -- * value -- */ --static int rs_adjust_next_rate(struct iwl3945_priv *priv, int rate) --{ -- int next_rate = iwl3945_get_prev_ieee_rate(rate); -- -- switch (priv->band) { -- case IEEE80211_BAND_5GHZ: -- if (rate == IWL_RATE_12M_INDEX) -- next_rate = IWL_RATE_9M_INDEX; -- else if (rate == IWL_RATE_6M_INDEX) -- next_rate = IWL_RATE_6M_INDEX; -- break; --/* XXX cannot be invoked in current mac80211 so not a regression -- case MODE_IEEE80211B: -- if (rate == IWL_RATE_11M_INDEX_TABLE) -- next_rate = IWL_RATE_5M_INDEX_TABLE; -- break; -- */ -- default: -- break; -- } -- -- return next_rate; --} - /** - * rs_tx_status - Update rate control values based on Tx results - * -@@ -460,17 +432,21 @@ static void rs_tx_status(void *priv_rate - struct ieee80211_sta *sta, void *priv_sta, - struct sk_buff *skb) - { -- u8 retries, current_count; -+ u8 retries = 0, current_count; - int scale_rate_index, first_index, last_index; - unsigned long flags; - struct iwl3945_priv *priv = (struct iwl3945_priv *)priv_rate; - struct iwl3945_rs_sta *rs_sta = priv_sta; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); -+ int i; - - IWL_DEBUG_RATE("enter\n"); - -- retries = info->status.retry_count; -- first_index = sband->bitrates[info->tx_rate_idx].hw_value; -+ for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) -+ retries += info->status.rates[i].count; -+ retries--; -+ -+ first_index = sband->bitrates[info->status.rates[0].idx].hw_value; - if ((first_index < 0) || (first_index >= IWL_RATE_COUNT)) { - IWL_DEBUG_RATE("leave: Rate out of bounds: %d\n", first_index); - return; -@@ -502,7 +478,7 @@ static void rs_tx_status(void *priv_rate - last_index = scale_rate_index; - } else { - current_count = priv->retry_rate; -- last_index = rs_adjust_next_rate(priv, -+ last_index = iwl3945_rs_next_rate(priv, - scale_rate_index); - } - -@@ -518,7 +494,7 @@ static void rs_tx_status(void *priv_rate - - if (retries) - scale_rate_index = -- rs_adjust_next_rate(priv, scale_rate_index); -+ iwl3945_rs_next_rate(priv, scale_rate_index); - } - - -@@ -630,10 +606,11 @@ static u16 iwl3945_get_adjacent_rate(str - * rate table and must reference the driver allocated rate table - * - */ --static void rs_get_rate(void *priv_r, struct ieee80211_supported_band *sband, -- struct ieee80211_sta *sta, void *priv_sta, -- struct sk_buff *skb, struct rate_selection *sel) -+static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta, -+ void *priv_sta, struct ieee80211_tx_rate_control *txrc) - { -+ struct ieee80211_supported_band *sband = txrc->sband; -+ struct sk_buff *skb = txrc->skb; - u8 low = IWL_RATE_INVALID; - u8 high = IWL_RATE_INVALID; - u16 high_low; -@@ -649,6 +626,7 @@ static void rs_get_rate(void *priv_r, st - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; - u16 fc, rate_mask; - struct iwl3945_priv *priv = (struct iwl3945_priv *)priv_r; -+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - DECLARE_MAC_BUF(mac); - - IWL_DEBUG_RATE("enter\n"); -@@ -660,7 +638,7 @@ static void rs_get_rate(void *priv_r, st - is_multicast_ether_addr(hdr->addr1) || - !sta || !priv_sta) { - IWL_DEBUG_RATE("leave: No STA priv data to update!\n"); -- sel->rate_idx = rate_lowest_index(sband, sta); -+ info->control.rates[0].idx = rate_lowest_index(sband, sta); - return; - } - -@@ -793,9 +771,10 @@ static void rs_get_rate(void *priv_r, st - - rs_sta->last_txrate_idx = index; - if (sband->band == IEEE80211_BAND_5GHZ) -- sel->rate_idx = rs_sta->last_txrate_idx - IWL_FIRST_OFDM_RATE; -+ info->control.rates[0].idx = rs_sta->last_txrate_idx - -+ IWL_FIRST_OFDM_RATE; - else -- sel->rate_idx = rs_sta->last_txrate_idx; -+ info->control.rates[0].idx = rs_sta->last_txrate_idx; - - IWL_DEBUG_RATE("leave: %d\n", index); - } ---- a/drivers/net/wireless/iwlwifi/iwl-3945.c -+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c -@@ -261,6 +261,35 @@ static inline const char *iwl3945_get_tx - } - #endif - -+/* -+ * get ieee prev rate from rate scale table. -+ * for A and B mode we need to overright prev -+ * value -+ */ -+int iwl3945_rs_next_rate(struct iwl3945_priv *priv, int rate) -+{ -+ int next_rate = iwl3945_get_prev_ieee_rate(rate); -+ -+ switch (priv->band) { -+ case IEEE80211_BAND_5GHZ: -+ if (rate == IWL_RATE_12M_INDEX) -+ next_rate = IWL_RATE_9M_INDEX; -+ else if (rate == IWL_RATE_6M_INDEX) -+ next_rate = IWL_RATE_6M_INDEX; -+ break; -+/* XXX cannot be invoked in current mac80211 so not a regression -+ case MODE_IEEE80211B: -+ if (rate == IWL_RATE_11M_INDEX_TABLE) -+ next_rate = IWL_RATE_5M_INDEX_TABLE; -+ break; -+ */ -+ default: -+ break; -+ } -+ -+ return next_rate; -+} -+ - - /** - * iwl3945_tx_queue_reclaim - Reclaim Tx queue entries already Tx'd -@@ -308,6 +337,7 @@ static void iwl3945_rx_reply_tx(struct i - struct iwl3945_tx_resp *tx_resp = (void *)&pkt->u.raw[0]; - u32 status = le32_to_cpu(tx_resp->status); - int rate_idx; -+ int fail, i; - - if ((index >= txq->q.n_bd) || (iwl3945_x2_queue_used(&txq->q, index) == 0)) { - IWL_ERROR("Read index for DMA queue txq_id (%d) index %d " -@@ -318,9 +348,33 @@ static void iwl3945_rx_reply_tx(struct i - } - - info = IEEE80211_SKB_CB(txq->txb[txq->q.read_ptr].skb[0]); -- memset(&info->status, 0, sizeof(info->status)); -+ ieee80211_tx_info_clear_status(info); -+ -+ /* Fill the MRR chain with some info about on-chip retransmissions */ -+ rate_idx = iwl3945_hwrate_to_plcp_idx(tx_resp->rate); -+ if (info->band == IEEE80211_BAND_5GHZ) -+ rate_idx -= IWL_FIRST_OFDM_RATE; -+ -+ info->status.rates[0].count = tx_resp->failure_frame + 1; -+ fail = tx_resp->failure_frame; -+ for(i = 0; i < 4; i++) { -+ int next = iwl3945_rs_next_rate(priv, rate_idx); -+ -+ info->status.rates[i].idx = rate_idx; -+ -+ if ((rate_idx == next) || (i == 3)) { -+ info->status.rates[i].count = fail; -+ break; -+ } -+ -+ info->status.rates[i].count = priv->retry_rate; -+ fail -= priv->retry_rate; -+ rate_idx = next; -+ if (fail <= 0) -+ break; -+ } -+ info->status.rates[i].count++; /* add final attempt */ - -- info->status.retry_count = tx_resp->failure_frame; - /* tx_status->rts_retry_count = tx_resp->failure_rts; */ - info->flags |= ((status & TX_STATUS_MSK) == TX_STATUS_SUCCESS) ? - IEEE80211_TX_STAT_ACK : 0; -@@ -329,10 +383,6 @@ static void iwl3945_rx_reply_tx(struct i - txq_id, iwl3945_get_tx_fail_reason(status), status, - tx_resp->rate, tx_resp->failure_frame); - -- rate_idx = iwl3945_hwrate_to_plcp_idx(tx_resp->rate); -- if (info->band == IEEE80211_BAND_5GHZ) -- rate_idx -= IWL_FIRST_OFDM_RATE; -- info->tx_rate_idx = rate_idx; - IWL_DEBUG_TX_REPLY("Tx queue reclaim %d\n", index); - iwl3945_tx_queue_reclaim(priv, txq_id, index); - ---- a/drivers/net/wireless/iwlwifi/iwl-3945.h -+++ b/drivers/net/wireless/iwlwifi/iwl-3945.h -@@ -954,6 +954,8 @@ static inline int is_channel_ibss(const - extern const struct iwl3945_channel_info *iwl3945_get_channel_info( - const struct iwl3945_priv *priv, enum ieee80211_band band, u16 channel); - -+extern int iwl3945_rs_next_rate(struct iwl3945_priv *priv, int rate); -+ - /* Requires full declaration of iwl3945_priv before including */ - #include "iwl-3945-io.h" - ---- a/drivers/net/wireless/iwlwifi/iwl-core.c -+++ b/drivers/net/wireless/iwlwifi/iwl-core.c -@@ -88,26 +88,27 @@ EXPORT_SYMBOL(iwl_rates); - * translate ucode response to mac80211 tx status control values - */ - void iwl_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags, -- struct ieee80211_tx_info *control) -+ struct ieee80211_tx_info *info) - { - int rate_index; -+ struct ieee80211_tx_rate *r = &info->control.rates[0]; - -- control->antenna_sel_tx = -+ info->antenna_sel_tx = - ((rate_n_flags & RATE_MCS_ANT_ABC_MSK) >> RATE_MCS_ANT_POS); - if (rate_n_flags & RATE_MCS_HT_MSK) -- control->flags |= IEEE80211_TX_CTL_OFDM_HT; -+ r->flags |= IEEE80211_TX_RC_MCS; - if (rate_n_flags & RATE_MCS_GF_MSK) -- control->flags |= IEEE80211_TX_CTL_GREEN_FIELD; -+ r->flags |= IEEE80211_TX_RC_GREEN_FIELD; - if (rate_n_flags & RATE_MCS_FAT_MSK) -- control->flags |= IEEE80211_TX_CTL_40_MHZ_WIDTH; -+ r->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH; - if (rate_n_flags & RATE_MCS_DUP_MSK) -- control->flags |= IEEE80211_TX_CTL_DUP_DATA; -+ r->flags |= IEEE80211_TX_RC_DUP_DATA; - if (rate_n_flags & RATE_MCS_SGI_MSK) -- control->flags |= IEEE80211_TX_CTL_SHORT_GI; -+ r->flags |= IEEE80211_TX_RC_SHORT_GI; - rate_index = iwl_hwrate_to_plcp_idx(rate_n_flags); -- if (control->band == IEEE80211_BAND_5GHZ) -+ if (info->band == IEEE80211_BAND_5GHZ) - rate_index -= IWL_FIRST_OFDM_RATE; -- control->tx_rate_idx = rate_index; -+ r->idx = rate_index; - } - EXPORT_SYMBOL(iwl_hwrate_to_tx_control); - ---- a/drivers/net/wireless/iwlwifi/iwl3945-base.c -+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c -@@ -2397,6 +2397,7 @@ static void iwl3945_build_tx_cmd_basic(s - { - __le16 fc = hdr->frame_control; - __le32 tx_flags = cmd->cmd.tx.tx_flags; -+ u8 rc_flags = info->control.rates[0].flags; - - cmd->cmd.tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE; - if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) { -@@ -2423,10 +2424,10 @@ static void iwl3945_build_tx_cmd_basic(s - tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK; - } - -- if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) { -+ if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS) { - tx_flags |= TX_CMD_FLG_RTS_MSK; - tx_flags &= ~TX_CMD_FLG_CTS_MSK; -- } else if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) { -+ } else if (rc_flags & IEEE80211_TX_RC_USE_CTS_PROTECT) { - tx_flags &= ~TX_CMD_FLG_RTS_MSK; - tx_flags |= TX_CMD_FLG_CTS_MSK; - } ---- a/drivers/net/wireless/mac80211_hwsim.c -+++ b/drivers/net/wireless/mac80211_hwsim.c -@@ -209,7 +209,7 @@ static bool mac80211_hwsim_tx_frame(stru - /* TODO: set mactime */ - rx_status.freq = data->channel->center_freq; - rx_status.band = data->channel->band; -- rx_status.rate_idx = info->tx_rate_idx; -+ rx_status.rate_idx = info->control.rates[0].idx; - /* TODO: simulate signal strength (and optional packet drop) */ - - /* Copy skb to all enabled radios that are on the current frequency */ -@@ -269,13 +269,9 @@ static int mac80211_hwsim_tx(struct ieee - if (txi->control.sta) - hwsim_check_sta_magic(txi->control.sta); - -- memset(&txi->status, 0, sizeof(txi->status)); -- if (!(txi->flags & IEEE80211_TX_CTL_NO_ACK)) { -- if (ack) -- txi->flags |= IEEE80211_TX_STAT_ACK; -- else -- txi->status.excessive_retries = 1; -- } -+ ieee80211_tx_info_clear_status(txi); -+ if (!(txi->flags & IEEE80211_TX_CTL_NO_ACK) && ack) -+ txi->flags |= IEEE80211_TX_STAT_ACK; - ieee80211_tx_status_irqsafe(hw, skb); - return NETDEV_TX_OK; - } ---- a/drivers/net/wireless/rtl8180_dev.c -+++ b/drivers/net/wireless/rtl8180_dev.c -@@ -182,15 +182,13 @@ static void rtl8180_handle_tx(struct iee - skb->len, PCI_DMA_TODEVICE); - - info = IEEE80211_SKB_CB(skb); -- memset(&info->status, 0, sizeof(info->status)); -+ ieee80211_tx_info_clear_status(info); - -- if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) { -- if (flags & RTL818X_TX_DESC_FLAG_TX_OK) -- info->flags |= IEEE80211_TX_STAT_ACK; -- else -- info->status.excessive_retries = 1; -- } -- info->status.retry_count = flags & 0xFF; -+ if (!(info->flags & IEEE80211_TX_CTL_NO_ACK) && -+ (flags & RTL818X_TX_DESC_FLAG_TX_OK)) -+ info->flags |= IEEE80211_TX_STAT_ACK; -+ -+ info->status.rates[0].count = (flags & 0xFF) + 1; - - ieee80211_tx_status_irqsafe(dev, skb); - if (ring->entries - skb_queue_len(&ring->queue) == 2) -@@ -243,6 +241,7 @@ static int rtl8180_tx(struct ieee80211_h - unsigned int idx, prio; - dma_addr_t mapping; - u32 tx_flags; -+ u8 rc_flags; - u16 plcp_len = 0; - __le16 rts_duration = 0; - -@@ -261,15 +260,16 @@ static int rtl8180_tx(struct ieee80211_h - tx_flags |= RTL818X_TX_DESC_FLAG_DMA | - RTL818X_TX_DESC_FLAG_NO_ENC; - -- if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) { -+ rc_flags = info->control.rates[0].flags; -+ if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS) { - tx_flags |= RTL818X_TX_DESC_FLAG_RTS; - tx_flags |= ieee80211_get_rts_cts_rate(dev, info)->hw_value << 19; -- } else if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) { -+ } else if (rc_flags & IEEE80211_TX_RC_USE_CTS_PROTECT) { - tx_flags |= RTL818X_TX_DESC_FLAG_CTS; - tx_flags |= ieee80211_get_rts_cts_rate(dev, info)->hw_value << 19; - } - -- if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) -+ if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS) - rts_duration = ieee80211_rts_duration(dev, priv->vif, skb->len, - info); - -@@ -292,9 +292,9 @@ static int rtl8180_tx(struct ieee80211_h - entry->plcp_len = cpu_to_le16(plcp_len); - entry->tx_buf = cpu_to_le32(mapping); - entry->frame_len = cpu_to_le32(skb->len); -- entry->flags2 = info->control.retries[0].rate_idx >= 0 ? -+ entry->flags2 = info->control.rates[1].idx >= 0 ? - ieee80211_get_alt_retry_rate(dev, info, 0)->bitrate << 4 : 0; -- entry->retry_limit = info->control.retry_limit; -+ entry->retry_limit = info->control.rates[0].count; - entry->flags = cpu_to_le32(tx_flags); - __skb_queue_tail(&ring->queue, skb); - if (ring->entries - skb_queue_len(&ring->queue) < 2) -@@ -856,7 +856,7 @@ static int __devinit rtl8180_probe(struc - priv = dev->priv; - priv->pdev = pdev; - -- dev->max_altrates = 1; -+ dev->max_rates = 2; - SET_IEEE80211_DEV(dev, &pdev->dev); - pci_set_drvdata(pdev, dev); - ---- a/drivers/net/wireless/rtl8187_dev.c -+++ b/drivers/net/wireless/rtl8187_dev.c -@@ -163,7 +163,7 @@ static void rtl8187_tx_cb(struct urb *ur - usb_free_urb(info->driver_data[1]); - skb_pull(skb, priv->is_rtl8187b ? sizeof(struct rtl8187b_tx_hdr) : - sizeof(struct rtl8187_tx_hdr)); -- memset(&info->status, 0, sizeof(info->status)); -+ ieee80211_tx_info_clear_status(info); - info->flags |= IEEE80211_TX_STAT_ACK; - ieee80211_tx_status_irqsafe(hw, skb); - } -@@ -192,12 +192,12 @@ static int rtl8187_tx(struct ieee80211_h - flags |= ieee80211_get_tx_rate(dev, info)->hw_value << 24; - if (ieee80211_has_morefrags(((struct ieee80211_hdr *)skb->data)->frame_control)) - flags |= RTL818X_TX_DESC_FLAG_MOREFRAG; -- if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) { -+ if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) { - flags |= RTL818X_TX_DESC_FLAG_RTS; - flags |= ieee80211_get_rts_cts_rate(dev, info)->hw_value << 19; - rts_dur = ieee80211_rts_duration(dev, priv->vif, - skb->len, info); -- } else if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) { -+ } else if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) { - flags |= RTL818X_TX_DESC_FLAG_CTS; - flags |= ieee80211_get_rts_cts_rate(dev, info)->hw_value << 19; - } -@@ -208,7 +208,7 @@ static int rtl8187_tx(struct ieee80211_h - hdr->flags = cpu_to_le32(flags); - hdr->len = 0; - hdr->rts_duration = rts_dur; -- hdr->retry = cpu_to_le32(info->control.retry_limit << 8); -+ hdr->retry = cpu_to_le32((info->control.rates[0].count - 1) << 8); - buf = hdr; - - ep = 2; -@@ -226,7 +226,7 @@ static int rtl8187_tx(struct ieee80211_h - memset(hdr, 0, sizeof(*hdr)); - hdr->flags = cpu_to_le32(flags); - hdr->rts_duration = rts_dur; -- hdr->retry = cpu_to_le32(info->control.retry_limit << 8); -+ hdr->retry = cpu_to_le32((info->control.rates[0].count - 1) << 8); - hdr->tx_duration = - ieee80211_generic_frame_duration(dev, priv->vif, - skb->len, txrate); ---- a/drivers/net/wireless/p54/p54common.c -+++ b/drivers/net/wireless/p54/p54common.c -@@ -577,7 +577,7 @@ static void p54_rx_frame_sent(struct iee - __skb_unlink(entry, &priv->tx_queue); - spin_unlock_irqrestore(&priv->tx_queue.lock, flags); - -- memset(&info->status, 0, sizeof(info->status)); -+ ieee80211_tx_info_clear_status(info); - entry_hdr = (struct p54_control_hdr *) entry->data; - entry_data = (struct p54_tx_control_allocdata *) entry_hdr->data; - if ((entry_hdr->magic1 & cpu_to_le16(0x4000)) != 0) -@@ -587,10 +587,8 @@ static void p54_rx_frame_sent(struct iee - if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) { - if (!(payload->status & 0x01)) - info->flags |= IEEE80211_TX_STAT_ACK; -- else -- info->status.excessive_retries = 1; - } -- info->status.retry_count = payload->retries - 1; -+ info->status.rates[0].count = payload->retries; - info->status.ack_signal = p54_rssi_to_dbm(dev, - le16_to_cpu(payload->ack_rssi)); - skb_pull(entry, sizeof(*hdr) + pad + sizeof(*entry_data)); -@@ -816,6 +814,7 @@ static int p54_tx(struct ieee80211_hw *d - size_t padding, len; - u8 rate; - u8 cts_rate = 0x20; -+ u8 rc_flags; - - current_queue = &priv->tx_stats[skb_get_queue_mapping(skb) + 4]; - if (unlikely(current_queue->len > current_queue->limit)) -@@ -838,18 +837,19 @@ static int p54_tx(struct ieee80211_hw *d - hdr->magic1 = cpu_to_le16(0x0010); - hdr->len = cpu_to_le16(len); - hdr->type = (info->flags & IEEE80211_TX_CTL_NO_ACK) ? 0 : cpu_to_le16(1); -- hdr->retry1 = hdr->retry2 = info->control.retry_limit; -+ hdr->retry1 = hdr->retry2 = info->control.rates[0].count; - - /* TODO: add support for alternate retry TX rates */ - rate = ieee80211_get_tx_rate(dev, info)->hw_value; -- if (info->flags & IEEE80211_TX_CTL_SHORT_PREAMBLE) { -+ rc_flags = info->control.rates[0].flags; -+ if (rc_flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) { - rate |= 0x10; - cts_rate |= 0x10; - } -- if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) { -+ if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS) { - rate |= 0x40; - cts_rate |= ieee80211_get_rts_cts_rate(dev, info)->hw_value; -- } else if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) { -+ } else if (rc_flags & IEEE80211_TX_RC_USE_CTS_PROTECT) { - rate |= 0x20; - cts_rate |= ieee80211_get_rts_cts_rate(dev, info)->hw_value; - } ---- a/drivers/net/wireless/iwlwifi/iwl-4965.c -+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c -@@ -619,10 +619,10 @@ static void iwl4965_gain_computation(str - static void iwl4965_rts_tx_cmd_flag(struct ieee80211_tx_info *info, - __le32 *tx_flags) - { -- if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) { -+ if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) { - *tx_flags |= TX_CMD_FLG_RTS_MSK; - *tx_flags &= ~TX_CMD_FLG_CTS_MSK; -- } else if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) { -+ } else if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) { - *tx_flags &= ~TX_CMD_FLG_RTS_MSK; - *tx_flags |= TX_CMD_FLG_CTS_MSK; - } -@@ -2070,7 +2070,7 @@ static int iwl4965_tx_status_reply_tx(st - agg->frame_count, agg->start_idx, idx); - - info = IEEE80211_SKB_CB(priv->txq[txq_id].txb[idx].skb[0]); -- info->status.retry_count = tx_resp->failure_frame; -+ info->status.rates[0].count = tx_resp->failure_frame + 1; - info->flags &= ~IEEE80211_TX_CTL_AMPDU; - info->flags |= iwl_is_tx_success(status)? - IEEE80211_TX_STAT_ACK : 0; -@@ -2227,7 +2227,7 @@ static void iwl4965_rx_reply_tx(struct i - iwl_txq_check_empty(priv, sta_id, tid, txq_id); - } - } else { -- info->status.retry_count = tx_resp->failure_frame; -+ info->status.rates[0].count = tx_resp->failure_frame + 1; - info->flags |= - iwl_is_tx_success(status) ? IEEE80211_TX_STAT_ACK : 0; - iwl_hwrate_to_tx_control(priv, ---- a/drivers/net/wireless/iwlwifi/iwl-5000.c -+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c -@@ -390,8 +390,8 @@ static void iwl5000_chain_noise_reset(st - static void iwl5000_rts_tx_cmd_flag(struct ieee80211_tx_info *info, - __le32 *tx_flags) - { -- if ((info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) || -- (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT)) -+ if ((info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) || -+ (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)) - *tx_flags |= TX_CMD_FLG_RTS_CTS_MSK; - else - *tx_flags &= ~TX_CMD_FLG_RTS_CTS_MSK; -@@ -1136,7 +1136,7 @@ static int iwl5000_tx_status_reply_tx(st - agg->frame_count, agg->start_idx, idx); - - info = IEEE80211_SKB_CB(priv->txq[txq_id].txb[idx].skb[0]); -- info->status.retry_count = tx_resp->failure_frame; -+ info->status.rates[0].count = tx_resp->failure_frame + 1; - info->flags &= ~IEEE80211_TX_CTL_AMPDU; - info->flags |= iwl_is_tx_success(status)? - IEEE80211_TX_STAT_ACK : 0; -@@ -1289,7 +1289,7 @@ static void iwl5000_rx_reply_tx(struct i - iwl_txq_check_empty(priv, sta_id, tid, txq_id); - } - } else { -- info->status.retry_count = tx_resp->failure_frame; -+ info->status.rates[0].count = tx_resp->failure_frame + 1; - info->flags = - iwl_is_tx_success(status) ? IEEE80211_TX_STAT_ACK : 0; - iwl_hwrate_to_tx_control(priv, ---- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c -+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c -@@ -800,7 +800,7 @@ static void rs_tx_status(void *priv_r, s - !(info->flags & IEEE80211_TX_STAT_AMPDU)) - return; - -- retries = info->status.retry_count; -+ retries = info->status.rates[0].count + 1; - - if (retries > 15) - retries = 15; -@@ -832,20 +832,15 @@ static void rs_tx_status(void *priv_r, s - if (priv->band == IEEE80211_BAND_5GHZ) - rs_index -= IWL_FIRST_OFDM_RATE; - -- if ((info->tx_rate_idx < 0) || -- (tbl_type.is_SGI ^ -- !!(info->flags & IEEE80211_TX_CTL_SHORT_GI)) || -- (tbl_type.is_fat ^ -- !!(info->flags & IEEE80211_TX_CTL_40_MHZ_WIDTH)) || -- (tbl_type.is_dup ^ -- !!(info->flags & IEEE80211_TX_CTL_DUP_DATA)) || -- (tbl_type.ant_type ^ info->antenna_sel_tx) || -- (!!(tx_rate & RATE_MCS_HT_MSK) ^ -- !!(info->flags & IEEE80211_TX_CTL_OFDM_HT)) || -- (!!(tx_rate & RATE_MCS_GF_MSK) ^ -- !!(info->flags & IEEE80211_TX_CTL_GREEN_FIELD)) || -+ if ((info->status.rates[0].idx < 0) || -+ (tbl_type.is_SGI != !!(info->status.rates[0].flags & IEEE80211_TX_RC_SHORT_GI)) || -+ (tbl_type.is_fat != !!(info->status.rates[0].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)) || -+ (tbl_type.is_dup != !!(info->status.rates[0].flags & IEEE80211_TX_RC_DUP_DATA)) || -+ (tbl_type.ant_type != info->antenna_sel_tx) || -+ (!!(tx_rate & RATE_MCS_HT_MSK) != !!(info->status.rates[0].flags & IEEE80211_TX_RC_MCS)) || -+ (!!(tx_rate & RATE_MCS_GF_MSK) != !!(info->status.rates[0].flags & IEEE80211_TX_RC_GREEN_FIELD)) || - (hw->wiphy->bands[priv->band]->bitrates[rs_index].bitrate != -- hw->wiphy->bands[info->band]->bitrates[info->tx_rate_idx].bitrate)) { -+ hw->wiphy->bands[info->band]->bitrates[info->status.rates[0].idx].bitrate)) { - IWL_DEBUG_RATE("initial rate does not match 0x%x\n", tx_rate); - goto out; - } -@@ -2103,15 +2098,17 @@ static void rs_initialize_lq(struct iwl_ - return; - } - --static void rs_get_rate(void *priv_r, struct ieee80211_supported_band *sband, -- struct ieee80211_sta *sta, void *priv_sta, -- struct sk_buff *skb, struct rate_selection *sel) -+static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta, void *priv_sta, -+ struct ieee80211_tx_rate_control *txrc) - { - - int i; -+ struct sk_buff *skb = txrc->skb; -+ struct ieee80211_supported_band *sband = txrc->sband; - struct iwl_priv *priv = (struct iwl_priv *)priv_r; - struct ieee80211_conf *conf = &priv->hw->conf; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; -+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - __le16 fc; - struct iwl_lq_sta *lq_sta; - -@@ -2122,7 +2119,7 @@ static void rs_get_rate(void *priv_r, st - fc = hdr->frame_control; - if (!ieee80211_is_data(fc) || is_multicast_ether_addr(hdr->addr1) || - !sta || !priv_sta) { -- sel->rate_idx = rate_lowest_index(sband, sta); -+ info->control.rates[0].idx = rate_lowest_index(sband, sta); - return; - } - -@@ -2149,13 +2146,13 @@ static void rs_get_rate(void *priv_r, st - } - - if ((i < 0) || (i > IWL_RATE_COUNT)) { -- sel->rate_idx = rate_lowest_index(sband, sta); -+ info->control.rates[0].idx = rate_lowest_index(sband, sta); - return; - } - - if (sband->band == IEEE80211_BAND_5GHZ) - i -= IWL_FIRST_OFDM_RATE; -- sel->rate_idx = i; -+ info->control.rates[0].idx = i; - } - - static void *rs_alloc_sta(void *priv_rate, struct ieee80211_sta *sta, |