mac80211: move TX station pointer and restructure TX

Remove the control.sta pointer from ieee80211_tx_info to free up
sufficient space in the TX skb control buffer for the upcoming
Transmit Power Control (TPC).
Instead, the pointer is now on the stack in a new control struct
that is passed as a function parameter to the drivers' tx method.

Signed-off-by: Thomas Huehn <thomas@net.t-labs.tu-berlin.de>
Signed-off-by: Alina Friedrichsen <x-alina@gmx.net>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
[reworded commit message]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/drivers/net/wireless/adm8211.c b/drivers/net/wireless/adm8211.c
index 689a71c..154a496 100644 (file)
--- a/drivers/net/wireless/adm8211.c
+++ b/drivers/net/wireless/adm8211.c
@@ -1661,7 +1661,9 @@ static void adm8211_tx_raw(struct ieee80211_hw *dev, struct sk_buff *skb,
 }
 
 /* Put adm8211_tx_hdr on skb and transmit */
-static void adm8211_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
+static void adm8211_tx(struct ieee80211_hw *dev,
+                      struct ieee80211_tx_control *control,
+                      struct sk_buff *skb)
 {
        struct adm8211_tx_hdr *txhdr;
        size_t payload_len, hdrlen;

diff --git a/drivers/net/wireless/at76c50x-usb.c b/drivers/net/wireless/at76c50x-usb.c
index efc162e..abb520d 100644 (file)
--- a/drivers/net/wireless/at76c50x-usb.c
+++ b/drivers/net/wireless/at76c50x-usb.c
@@ -1726,7 +1726,9 @@ static void at76_mac80211_tx_callback(struct urb *urb)
        ieee80211_wake_queues(priv->hw);
 }
 
-static void at76_mac80211_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void at76_mac80211_tx(struct ieee80211_hw *hw,
+                            struct ieee80211_tx_control *control,
+                            struct sk_buff *skb)
 {
        struct at76_priv *priv = hw->priv;
        struct at76_tx_buffer *tx_buffer = priv->bulk_out_buffer;

diff --git a/drivers/net/wireless/ath/ath5k/mac80211-ops.c b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
index 260e7dc..934f04c 100644 (file)
--- a/drivers/net/wireless/ath/ath5k/mac80211-ops.c
+++ b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
@@ -55,7 +55,8 @@
 \********************/
 
 static void
-ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+ath5k_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,
+        struct sk_buff *skb)
 {
        struct ath5k_hw *ah = hw->priv;
        u16 qnum = skb_get_queue_mapping(skb);

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index b09285c..7373e4b 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -280,6 +280,7 @@ struct ath_tx_control {
        struct ath_txq *txq;
        struct ath_node *an;
        u8 paprd;
+       struct ieee80211_sta *sta;
 };
 
 #define ATH_TX_ERROR        0x01

diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h
index 936e920..b30596f 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/htc.h
+++ b/drivers/net/wireless/ath/ath9k/htc.h
@@ -542,6 +542,7 @@ void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv);
 
 int ath9k_tx_init(struct ath9k_htc_priv *priv);
 int ath9k_htc_tx_start(struct ath9k_htc_priv *priv,
+                      struct ieee80211_sta *sta,
                       struct sk_buff *skb, u8 slot, bool is_cab);
 void ath9k_tx_cleanup(struct ath9k_htc_priv *priv);
 bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv, int subtype);

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
index 77d541f..f42d2eb 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
@@ -326,7 +326,7 @@ static void ath9k_htc_send_buffered(struct ath9k_htc_priv *priv,
                        goto next;
                }
 
-               ret = ath9k_htc_tx_start(priv, skb, tx_slot, true);
+               ret = ath9k_htc_tx_start(priv, NULL, skb, tx_slot, true);
                if (ret != 0) {
                        ath9k_htc_tx_clear_slot(priv, tx_slot);
                        dev_kfree_skb_any(skb);

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index c785129..8a0ccf7 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -856,7 +856,9 @@ set_timer:
 /* mac80211 Callbacks */
 /**********************/
 
-static void ath9k_htc_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void ath9k_htc_tx(struct ieee80211_hw *hw,
+                        struct ieee80211_tx_control *control,
+                        struct sk_buff *skb)
 {
        struct ieee80211_hdr *hdr;
        struct ath9k_htc_priv *priv = hw->priv;
@@ -883,7 +885,7 @@ static void ath9k_htc_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
                goto fail_tx;
        }
 
-       ret = ath9k_htc_tx_start(priv, skb, slot, false);
+       ret = ath9k_htc_tx_start(priv, control->sta, skb, slot, false);
        if (ret != 0) {
                ath_dbg(common, XMIT, "Tx failed\n");
                goto clear_slot;

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
index 47e61d0..06cdcb7 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
@@ -333,12 +333,12 @@ static void ath9k_htc_tx_data(struct ath9k_htc_priv *priv,
 }
 
 int ath9k_htc_tx_start(struct ath9k_htc_priv *priv,
+                      struct ieee80211_sta *sta,
                       struct sk_buff *skb,
                       u8 slot, bool is_cab)
 {
        struct ieee80211_hdr *hdr;
        struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-       struct ieee80211_sta *sta = tx_info->control.sta;
        struct ieee80211_vif *vif = tx_info->control.vif;
        struct ath9k_htc_sta *ista;
        struct ath9k_htc_vif *avp = NULL;

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 6049d8b..4d8dc9f 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -694,7 +694,9 @@ mutex_unlock:
        return r;
 }
 
-static void ath9k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void ath9k_tx(struct ieee80211_hw *hw,
+                    struct ieee80211_tx_control *control,
+                    struct sk_buff *skb)
 {
        struct ath_softc *sc = hw->priv;
        struct ath_common *common = ath9k_hw_common(sc->sc_ah);
@@ -754,6 +756,7 @@ static void ath9k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 
        memset(&txctl, 0, sizeof(struct ath_tx_control));
        txctl.txq = sc->tx.txq_map[skb_get_queue_mapping(skb)];
+       txctl.sta = control->sta;
 
        ath_dbg(common, XMIT, "transmitting packet, skb: %p\n", skb);
 

diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 2c9da6b..ef91f6c 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1773,11 +1773,12 @@ static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq,
        TX_STAT_INC(txq->axq_qnum, queued);
 }
 
-static void setup_frame_info(struct ieee80211_hw *hw, struct sk_buff *skb,
+static void setup_frame_info(struct ieee80211_hw *hw,
+                            struct ieee80211_sta *sta,
+                            struct sk_buff *skb,
                             int framelen)
 {
        struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-       struct ieee80211_sta *sta = tx_info->control.sta;
        struct ieee80211_key_conf *hw_key = tx_info->control.hw_key;
        struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
        const struct ieee80211_rate *rate;
@@ -1935,7 +1936,7 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
 {
        struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-       struct ieee80211_sta *sta = info->control.sta;
+       struct ieee80211_sta *sta = txctl->sta;
        struct ieee80211_vif *vif = info->control.vif;
        struct ath_softc *sc = hw->priv;
        struct ath_txq *txq = txctl->txq;
@@ -1979,7 +1980,7 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
            !ieee80211_is_data(hdr->frame_control))
                info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
 
-       setup_frame_info(hw, skb, frmlen);
+       setup_frame_info(hw, sta, skb, frmlen);
 
        /*
         * At this point, the vif, hw_key and sta pointers in the tx control

diff --git a/drivers/net/wireless/ath/carl9170/carl9170.h b/drivers/net/wireless/ath/carl9170/carl9170.h
index 376be11..8f0cbc3 100644 (file)
--- a/drivers/net/wireless/ath/carl9170/carl9170.h
+++ b/drivers/net/wireless/ath/carl9170/carl9170.h
@@ -577,7 +577,9 @@ void carl9170_rx(struct ar9170 *ar, void *buf, unsigned int len);
 void carl9170_handle_command_response(struct ar9170 *ar, void *buf, u32 len);
 
 /* TX */
-void carl9170_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
+void carl9170_op_tx(struct ieee80211_hw *hw,
+                   struct ieee80211_tx_control *control,
+                   struct sk_buff *skb);
 void carl9170_tx_janitor(struct work_struct *work);
 void carl9170_tx_process_status(struct ar9170 *ar,
                                const struct carl9170_rsp *cmd);

diff --git a/drivers/net/wireless/ath/carl9170/tx.c b/drivers/net/wireless/ath/carl9170/tx.c
index 6a86814..84377cf 100644 (file)
--- a/drivers/net/wireless/ath/carl9170/tx.c
+++ b/drivers/net/wireless/ath/carl9170/tx.c
@@ -867,14 +867,15 @@ static bool carl9170_tx_cts_check(struct ar9170 *ar,
        return false;
 }
 
-static int carl9170_tx_prepare(struct ar9170 *ar, struct sk_buff *skb)
+static int carl9170_tx_prepare(struct ar9170 *ar,
+                              struct ieee80211_sta *sta,
+                              struct sk_buff *skb)
 {
        struct ieee80211_hdr *hdr;
        struct _carl9170_tx_superframe *txc;
        struct carl9170_vif_info *cvif;
        struct ieee80211_tx_info *info;
        struct ieee80211_tx_rate *txrate;
-       struct ieee80211_sta *sta;
        struct carl9170_tx_info *arinfo;
        unsigned int hw_queue;
        int i;
@@ -910,8 +911,6 @@ static int carl9170_tx_prepare(struct ar9170 *ar, struct sk_buff *skb)
        else
                cvif = NULL;
 
-       sta = info->control.sta;
-
        txc = (void *)skb_push(skb, sizeof(*txc));
        memset(txc, 0, sizeof(*txc));
 
@@ -1457,20 +1456,21 @@ err_unlock_rcu:
        return false;
 }
 
-void carl9170_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+void carl9170_op_tx(struct ieee80211_hw *hw,
+                   struct ieee80211_tx_control *control,
+                   struct sk_buff *skb)
 {
        struct ar9170 *ar = hw->priv;
        struct ieee80211_tx_info *info;
-       struct ieee80211_sta *sta;
+       struct ieee80211_sta *sta = control->sta;
        bool run;
 
        if (unlikely(!IS_STARTED(ar)))
                goto err_free;
 
        info = IEEE80211_SKB_CB(skb);
-       sta = info->control.sta;
 
-       if (unlikely(carl9170_tx_prepare(ar, skb)))
+       if (unlikely(carl9170_tx_prepare(ar, sta, skb)))
                goto err_free;
 
        carl9170_tx_accounting(ar, skb);

diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index b80352b..2ca4e88 100644 (file)
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -3407,7 +3407,8 @@ static void b43_tx_work(struct work_struct *work)
 }
 
 static void b43_op_tx(struct ieee80211_hw *hw,
-                    struct sk_buff *skb)
+                     struct ieee80211_tx_control *control,
+                     struct sk_buff *skb)
 {
        struct b43_wl *wl = hw_to_b43_wl(hw);
 

diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c
index 8156135..74d4c20 100644 (file)
--- a/drivers/net/wireless/b43legacy/main.c
+++ b/drivers/net/wireless/b43legacy/main.c
@@ -2492,6 +2492,7 @@ static void b43legacy_tx_work(struct work_struct *work)
 }
 
 static void b43legacy_op_tx(struct ieee80211_hw *hw,
+                           struct ieee80211_tx_control *control,
                            struct sk_buff *skb)
 {
        struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);

diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
index 9e79d47..a7be68d 100644 (file)
--- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
@@ -264,7 +264,9 @@ static void brcms_set_basic_rate(struct brcm_rateset *rs, u16 rate, bool is_br)
        }
 }
 
-static void brcms_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void brcms_ops_tx(struct ieee80211_hw *hw,
+                        struct ieee80211_tx_control *control,
+                        struct sk_buff *skb)
 {
        struct brcms_info *wl = hw->priv;
        struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
@@ -276,7 +278,7 @@ static void brcms_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
                goto done;
        }
        brcms_c_sendpkt_mac80211(wl->wlc, skb, hw);
-       tx_info->rate_driver_data[0] = tx_info->control.sta;
+       tx_info->rate_driver_data[0] = control->sta;
  done:
        spin_unlock_bh(&wl->lock);
 }

diff --git a/drivers/net/wireless/iwlegacy/3945-mac.c b/drivers/net/wireless/iwlegacy/3945-mac.c
index faec404..e252acb 100644 (file)
--- a/drivers/net/wireless/iwlegacy/3945-mac.c
+++ b/drivers/net/wireless/iwlegacy/3945-mac.c
@@ -460,7 +460,9 @@ il3945_build_tx_cmd_basic(struct il_priv *il, struct il_device_cmd *cmd,
  * start C_TX command process
  */
 static int
-il3945_tx_skb(struct il_priv *il, struct sk_buff *skb)
+il3945_tx_skb(struct il_priv *il,
+             struct ieee80211_sta *sta,
+             struct sk_buff *skb)
 {
        struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@@ -512,7 +514,7 @@ il3945_tx_skb(struct il_priv *il, struct sk_buff *skb)
        hdr_len = ieee80211_hdrlen(fc);
 
        /* Find idx into station table for destination station */
-       sta_id = il_sta_id_or_broadcast(il, info->control.sta);
+       sta_id = il_sta_id_or_broadcast(il, sta);
        if (sta_id == IL_INVALID_STATION) {
                D_DROP("Dropping - INVALID STATION: %pM\n", hdr->addr1);
                goto drop;
@@ -2859,7 +2861,9 @@ il3945_mac_stop(struct ieee80211_hw *hw)
 }
 
 static void
-il3945_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+il3945_mac_tx(struct ieee80211_hw *hw,
+              struct ieee80211_tx_control *control,
+              struct sk_buff *skb)
 {
        struct il_priv *il = hw->priv;
 
@@ -2868,7 +2872,7 @@ il3945_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
        D_TX("dev->xmit(%d bytes) at rate 0x%02x\n", skb->len,
             ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate);
 
-       if (il3945_tx_skb(il, skb))
+       if (il3945_tx_skb(il, control->sta, skb))
                dev_kfree_skb_any(skb);
 
        D_MAC80211("leave\n");

diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c
index 34f61a0..eac4dc8 100644 (file)
--- a/drivers/net/wireless/iwlegacy/4965-mac.c
+++ b/drivers/net/wireless/iwlegacy/4965-mac.c
@@ -1526,8 +1526,11 @@ il4965_tx_cmd_build_basic(struct il_priv *il, struct sk_buff *skb,
 }
 
 static void
-il4965_tx_cmd_build_rate(struct il_priv *il, struct il_tx_cmd *tx_cmd,
-                        struct ieee80211_tx_info *info, __le16 fc)
+il4965_tx_cmd_build_rate(struct il_priv *il,
+                        struct il_tx_cmd *tx_cmd,
+                        struct ieee80211_tx_info *info,
+                        struct ieee80211_sta *sta,
+                        __le16 fc)
 {
        const u8 rts_retry_limit = 60;
        u32 rate_flags;
@@ -1561,9 +1564,7 @@ il4965_tx_cmd_build_rate(struct il_priv *il, struct il_tx_cmd *tx_cmd,
        rate_idx = info->control.rates[0].idx;
        if ((info->control.rates[0].flags & IEEE80211_TX_RC_MCS) || rate_idx < 0
            || rate_idx > RATE_COUNT_LEGACY)
-               rate_idx =
-                   rate_lowest_index(&il->bands[info->band],
-                                     info->control.sta);
+               rate_idx = rate_lowest_index(&il->bands[info->band], sta);
        /* For 5 GHZ band, remap mac80211 rate indices into driver indices */
        if (info->band == IEEE80211_BAND_5GHZ)
                rate_idx += IL_FIRST_OFDM_RATE;
@@ -1630,11 +1631,12 @@ il4965_tx_cmd_build_hwcrypto(struct il_priv *il, struct ieee80211_tx_info *info,
  * start C_TX command process
  */
 int
-il4965_tx_skb(struct il_priv *il, struct sk_buff *skb)
+il4965_tx_skb(struct il_priv *il,
+             struct ieee80211_sta *sta,
+             struct sk_buff *skb)
 {
        struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-       struct ieee80211_sta *sta = info->control.sta;
        struct il_station_priv *sta_priv = NULL;
        struct il_tx_queue *txq;
        struct il_queue *q;
@@ -1680,7 +1682,7 @@ il4965_tx_skb(struct il_priv *il, struct sk_buff *skb)
                sta_id = il->hw_params.bcast_id;
        else {
                /* Find idx into station table for destination station */
-               sta_id = il_sta_id_or_broadcast(il, info->control.sta);
+               sta_id = il_sta_id_or_broadcast(il, sta);
 
                if (sta_id == IL_INVALID_STATION) {
                        D_DROP("Dropping - INVALID STATION: %pM\n", hdr->addr1);
@@ -1786,7 +1788,7 @@ il4965_tx_skb(struct il_priv *il, struct sk_buff *skb)
        /* TODO need this for burst mode later on */
        il4965_tx_cmd_build_basic(il, skb, tx_cmd, info, hdr, sta_id);
 
-       il4965_tx_cmd_build_rate(il, tx_cmd, info, fc);
+       il4965_tx_cmd_build_rate(il, tx_cmd, info, sta, fc);
 
        il_update_stats(il, true, fc, len);
        /*
@@ -5828,7 +5830,9 @@ il4965_mac_stop(struct ieee80211_hw *hw)
 }
 
 void
-il4965_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+il4965_mac_tx(struct ieee80211_hw *hw,
+             struct ieee80211_tx_control *control,
+             struct sk_buff *skb)
 {
        struct il_priv *il = hw->priv;
 
@@ -5837,7 +5841,7 @@ il4965_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
        D_TX("dev->xmit(%d bytes) at rate 0x%02x\n", skb->len,
             ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate);
 
-       if (il4965_tx_skb(il, skb))
+       if (il4965_tx_skb(il, control->sta, skb))
                dev_kfree_skb_any(skb);
 
        D_MACDUMP("leave\n");

diff --git a/drivers/net/wireless/iwlegacy/4965.h b/drivers/net/wireless/iwlegacy/4965.h
index 1db6776..2d092f3 100644 (file)
--- a/drivers/net/wireless/iwlegacy/4965.h
+++ b/drivers/net/wireless/iwlegacy/4965.h
@@ -78,7 +78,9 @@ int il4965_hw_txq_attach_buf_to_tfd(struct il_priv *il, struct il_tx_queue *txq,
 int il4965_hw_tx_queue_init(struct il_priv *il, struct il_tx_queue *txq);
 void il4965_hwrate_to_tx_control(struct il_priv *il, u32 rate_n_flags,
                                 struct ieee80211_tx_info *info);
-int il4965_tx_skb(struct il_priv *il, struct sk_buff *skb);
+int il4965_tx_skb(struct il_priv *il,
+                 struct ieee80211_sta *sta,
+                 struct sk_buff *skb);
 int il4965_tx_agg_start(struct il_priv *il, struct ieee80211_vif *vif,
                        struct ieee80211_sta *sta, u16 tid, u16 * ssn);
 int il4965_tx_agg_stop(struct il_priv *il, struct ieee80211_vif *vif,
@@ -163,7 +165,9 @@ void il4965_eeprom_release_semaphore(struct il_priv *il);
 int il4965_eeprom_check_version(struct il_priv *il);
 
 /* mac80211 handlers (for 4965) */
-void il4965_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
+void il4965_mac_tx(struct ieee80211_hw *hw,
+                  struct ieee80211_tx_control *control,
+                  struct sk_buff *skb);
 int il4965_mac_start(struct ieee80211_hw *hw);
 void il4965_mac_stop(struct ieee80211_hw *hw);
 void il4965_configure_filter(struct ieee80211_hw *hw,

diff --git a/drivers/net/wireless/iwlwifi/dvm/agn.h b/drivers/net/wireless/iwlwifi/dvm/agn.h
index 9bb16bd..f0b8c1f 100644 (file)
--- a/drivers/net/wireless/iwlwifi/dvm/agn.h
+++ b/drivers/net/wireless/iwlwifi/dvm/agn.h
@@ -201,7 +201,9 @@ void iwl_chswitch_done(struct iwl_priv *priv, bool is_success);
 
 
 /* tx */
-int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb);
+int iwlagn_tx_skb(struct iwl_priv *priv,
+                 struct ieee80211_sta *sta,
+                 struct sk_buff *skb);
 int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
                        struct ieee80211_sta *sta, u16 tid, u16 *ssn);
 int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,

diff --git a/drivers/net/wireless/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
index a5f7bce..e64af60 100644 (file)
--- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
@@ -511,14 +511,16 @@ static void iwlagn_mac_set_wakeup(struct ieee80211_hw *hw, bool enabled)
 }
 #endif
 
-static void iwlagn_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void iwlagn_mac_tx(struct ieee80211_hw *hw,
+                         struct ieee80211_tx_control *control,
+                         struct sk_buff *skb)
 {
        struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
 
        IWL_DEBUG_TX(priv, "dev->xmit(%d bytes) at rate 0x%02x\n", skb->len,
                     ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate);
 
-       if (iwlagn_tx_skb(priv, skb))
+       if (iwlagn_tx_skb(priv, control->sta, skb))
                dev_kfree_skb_any(skb);
 }
 

diff --git a/drivers/net/wireless/iwlwifi/dvm/tx.c b/drivers/net/wireless/iwlwifi/dvm/tx.c
index 5971a23..d17799b 100644 (file)
--- a/drivers/net/wireless/iwlwifi/dvm/tx.c
+++ b/drivers/net/wireless/iwlwifi/dvm/tx.c
@@ -127,6 +127,7 @@ static void iwlagn_tx_cmd_build_basic(struct iwl_priv *priv,
 static void iwlagn_tx_cmd_build_rate(struct iwl_priv *priv,
                                     struct iwl_tx_cmd *tx_cmd,
                                     struct ieee80211_tx_info *info,
+                                    struct ieee80211_sta *sta,
                                     __le16 fc)
 {
        u32 rate_flags;
@@ -187,8 +188,7 @@ static void iwlagn_tx_cmd_build_rate(struct iwl_priv *priv,
        if (info->control.rates[0].flags & IEEE80211_TX_RC_MCS ||
                        (rate_idx < 0) || (rate_idx > IWL_RATE_COUNT_LEGACY))
                rate_idx = rate_lowest_index(
-                               &priv->eeprom_data->bands[info->band],
-                               info->control.sta);
+                               &priv->eeprom_data->bands[info->band], sta);
        /* For 5 GHZ band, remap mac80211 rate indices into driver indices */
        if (info->band == IEEE80211_BAND_5GHZ)
                rate_idx += IWL_FIRST_OFDM_RATE;
@@ -291,7 +291,9 @@ static int iwl_sta_id_or_broadcast(struct iwl_rxon_context *context,
 /*
  * start REPLY_TX command process
  */
-int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
+int iwlagn_tx_skb(struct iwl_priv *priv,
+                 struct ieee80211_sta *sta,
+                 struct sk_buff *skb)
 {
        struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@@ -345,7 +347,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
                sta_id = ctx->bcast_sta_id;
        else {
                /* Find index into station table for destination station */
-               sta_id = iwl_sta_id_or_broadcast(ctx, info->control.sta);
+               sta_id = iwl_sta_id_or_broadcast(ctx, sta);
                if (sta_id == IWL_INVALID_STATION) {
                        IWL_DEBUG_DROP(priv, "Dropping - INVALID STATION: %pM\n",
                                       hdr->addr1);
@@ -355,8 +357,8 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 
        IWL_DEBUG_TX(priv, "station Id %d\n", sta_id);
 
-       if (info->control.sta)
-               sta_priv = (void *)info->control.sta->drv_priv;
+       if (sta)
+               sta_priv = (void *)sta->drv_priv;
 
        if (sta_priv && sta_priv->asleep &&
            (info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER)) {
@@ -397,7 +399,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
        /* TODO need this for burst mode later on */
        iwlagn_tx_cmd_build_basic(priv, skb, tx_cmd, info, hdr, sta_id);
 
-       iwlagn_tx_cmd_build_rate(priv, tx_cmd, info, fc);
+       iwlagn_tx_cmd_build_rate(priv, tx_cmd, info, sta, fc);
 
        memset(&info->status, 0, sizeof(info->status));
 

diff --git a/drivers/net/wireless/libertas_tf/main.c b/drivers/net/wireless/libertas_tf/main.c
index a034572..7001856 100644 (file)
--- a/drivers/net/wireless/libertas_tf/main.c
+++ b/drivers/net/wireless/libertas_tf/main.c
@@ -227,7 +227,9 @@ static void lbtf_free_adapter(struct lbtf_private *priv)
        lbtf_deb_leave(LBTF_DEB_MAIN);
 }
 
-static void lbtf_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void lbtf_op_tx(struct ieee80211_hw *hw,
+                      struct ieee80211_tx_control *control,
+                      struct sk_buff *skb)
 {
        struct lbtf_private *priv = hw->priv;
 

diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 643f968..ed1386a 100644 (file)
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -709,7 +709,9 @@ static bool mac80211_hwsim_tx_frame_no_nl(struct ieee80211_hw *hw,
        return ack;
 }
 
-static void mac80211_hwsim_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void mac80211_hwsim_tx(struct ieee80211_hw *hw,
+                             struct ieee80211_tx_control *control,
+                             struct sk_buff *skb)
 {
        bool ack;
        struct ieee80211_tx_info *txi;
@@ -741,8 +743,8 @@ static void mac80211_hwsim_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 
        if (txi->control.vif)
                hwsim_check_magic(txi->control.vif);
-       if (txi->control.sta)
-               hwsim_check_sta_magic(txi->control.sta);
+       if (control->sta)
+               hwsim_check_sta_magic(control->sta);
 
        ieee80211_tx_info_clear_status(txi);
 

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 224e03a..5099e53 100644 (file)
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -1830,12 +1830,14 @@ static inline void mwl8k_tx_count_packet(struct ieee80211_sta *sta, u8 tid)
 }
 
 static void
-mwl8k_txq_xmit(struct ieee80211_hw *hw, int index, struct sk_buff *skb)
+mwl8k_txq_xmit(struct ieee80211_hw *hw,
+              int index,
+              struct ieee80211_sta *sta,
+              struct sk_buff *skb)
 {
        struct mwl8k_priv *priv = hw->priv;
        struct ieee80211_tx_info *tx_info;
        struct mwl8k_vif *mwl8k_vif;
-       struct ieee80211_sta *sta;
        struct ieee80211_hdr *wh;
        struct mwl8k_tx_queue *txq;
        struct mwl8k_tx_desc *tx;
@@ -1867,7 +1869,6 @@ mwl8k_txq_xmit(struct ieee80211_hw *hw, int index, struct sk_buff *skb)
        wh = &((struct mwl8k_dma_data *)skb->data)->wh;
 
        tx_info = IEEE80211_SKB_CB(skb);
-       sta = tx_info->control.sta;
        mwl8k_vif = MWL8K_VIF(tx_info->control.vif);
 
        if (tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
@@ -2019,8 +2020,8 @@ mwl8k_txq_xmit(struct ieee80211_hw *hw, int index, struct sk_buff *skb)
        tx->pkt_phys_addr = cpu_to_le32(dma);
        tx->pkt_len = cpu_to_le16(skb->len);
        tx->rate_info = 0;
-       if (!priv->ap_fw && tx_info->control.sta != NULL)
-               tx->peer_id = MWL8K_STA(tx_info->control.sta)->peer_id;
+       if (!priv->ap_fw && sta != NULL)
+               tx->peer_id = MWL8K_STA(sta)->peer_id;
        else
                tx->peer_id = 0;
 
@@ -4364,7 +4365,9 @@ static void mwl8k_rx_poll(unsigned long data)
 /*
  * Core driver operations.
  */
-static void mwl8k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void mwl8k_tx(struct ieee80211_hw *hw,
+                    struct ieee80211_tx_control *control,
+                    struct sk_buff *skb)
 {
        struct mwl8k_priv *priv = hw->priv;
        int index = skb_get_queue_mapping(skb);
@@ -4376,7 +4379,7 @@ static void mwl8k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
                return;
        }
 
-       mwl8k_txq_xmit(hw, index, skb);
+       mwl8k_txq_xmit(hw, index, control->sta, skb);
 }
 
 static int mwl8k_start(struct ieee80211_hw *hw)

diff --git a/drivers/net/wireless/p54/lmac.h b/drivers/net/wireless/p54/lmac.h
index 3d8d622..de1d46b 100644 (file)
--- a/drivers/net/wireless/p54/lmac.h
+++ b/drivers/net/wireless/p54/lmac.h
@@ -526,7 +526,9 @@ int p54_init_leds(struct p54_common *priv);
 void p54_unregister_leds(struct p54_common *priv);
 
 /* xmit functions */
-void p54_tx_80211(struct ieee80211_hw *dev, struct sk_buff *skb);
+void p54_tx_80211(struct ieee80211_hw *dev,
+                 struct ieee80211_tx_control *control,
+                 struct sk_buff *skb);
 int p54_tx_cancel(struct p54_common *priv, __le32 req_id);
 void p54_tx(struct p54_common *priv, struct sk_buff *skb);
 

diff --git a/drivers/net/wireless/p54/main.c b/drivers/net/wireless/p54/main.c
index 7cffea7..5e91ad0 100644 (file)
--- a/drivers/net/wireless/p54/main.c
+++ b/drivers/net/wireless/p54/main.c
@@ -158,7 +158,7 @@ static int p54_beacon_update(struct p54_common *priv,
         * to cancel the old beacon template by hand, instead the firmware
         * will release the previous one through the feedback mechanism.
         */
-       p54_tx_80211(priv->hw, beacon);
+       p54_tx_80211(priv->hw, NULL, beacon);
        priv->tsf_high32 = 0;
        priv->tsf_low32 = 0;
 

diff --git a/drivers/net/wireless/p54/txrx.c b/drivers/net/wireless/p54/txrx.c
index f38786e..5861e13 100644 (file)
--- a/drivers/net/wireless/p54/txrx.c
+++ b/drivers/net/wireless/p54/txrx.c
@@ -676,8 +676,9 @@ int p54_rx(struct ieee80211_hw *dev, struct sk_buff *skb)
 EXPORT_SYMBOL_GPL(p54_rx);
 
 static void p54_tx_80211_header(struct p54_common *priv, struct sk_buff *skb,
-                               struct ieee80211_tx_info *info, u8 *queue,
-                               u32 *extra_len, u16 *flags, u16 *aid,
+                               struct ieee80211_tx_info *info,
+                               struct ieee80211_sta *sta,
+                               u8 *queue, u32 *extra_len, u16 *flags, u16 *aid,
                                bool *burst_possible)
 {
        struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
@@ -746,8 +747,8 @@ static void p54_tx_80211_header(struct p54_common *priv, struct sk_buff *skb,
                        }
                }
 
-               if (info->control.sta)
-                       *aid = info->control.sta->aid;
+               if (sta)
+                       *aid = sta->aid;
                break;
        }
 }
@@ -767,7 +768,9 @@ static u8 p54_convert_algo(u32 cipher)
        }
 }
 
-void p54_tx_80211(struct ieee80211_hw *dev, struct sk_buff *skb)
+void p54_tx_80211(struct ieee80211_hw *dev,
+                 struct ieee80211_tx_control *control,
+                 struct sk_buff *skb)
 {
        struct p54_common *priv = dev->priv;
        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@@ -784,7 +787,7 @@ void p54_tx_80211(struct ieee80211_hw *dev, struct sk_buff *skb)
        u8 nrates = 0, nremaining = 8;
        bool burst_allowed = false;
 
-       p54_tx_80211_header(priv, skb, info, &queue, &extra_len,
+       p54_tx_80211_header(priv, skb, info, control->sta, &queue, &extra_len,
                            &hdr_flags, &aid, &burst_allowed);
 
        if (p54_tx_qos_accounting_alloc(priv, skb, queue)) {

diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index 8afb546..f991e8b 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -1287,7 +1287,9 @@ void rt2x00lib_rxdone(struct queue_entry *entry, gfp_t gfp);
 /*
  * mac80211 handlers.
  */
-void rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
+void rt2x00mac_tx(struct ieee80211_hw *hw,
+                 struct ieee80211_tx_control *control,
+                 struct sk_buff *skb);
 int rt2x00mac_start(struct ieee80211_hw *hw);
 void rt2x00mac_stop(struct ieee80211_hw *hw);
 int rt2x00mac_add_interface(struct ieee80211_hw *hw,

diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index a6b88bd..a59048f 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -194,7 +194,7 @@ static void rt2x00lib_bc_buffer_iter(void *data, u8 *mac,
         */
        skb = ieee80211_get_buffered_bc(rt2x00dev->hw, vif);
        while (skb) {
-               rt2x00mac_tx(rt2x00dev->hw, skb);
+               rt2x00mac_tx(rt2x00dev->hw, NULL, skb);
                skb = ieee80211_get_buffered_bc(rt2x00dev->hw, vif);
        }
 }

diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index 4ff26c2..c3d0f2f 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -99,7 +99,9 @@ static int rt2x00mac_tx_rts_cts(struct rt2x00_dev *rt2x00dev,
        return retval;
 }
 
-void rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+void rt2x00mac_tx(struct ieee80211_hw *hw,
+                 struct ieee80211_tx_control *control,
+                 struct sk_buff *skb)
 {
        struct rt2x00_dev *rt2x00dev = hw->priv;
        struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);

diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
index f7e74a0..e488b94 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
@@ -315,6 +315,7 @@ static void rt2x00queue_create_tx_descriptor_plcp(struct rt2x00_dev *rt2x00dev,
 static void rt2x00queue_create_tx_descriptor_ht(struct rt2x00_dev *rt2x00dev,
                                                struct sk_buff *skb,
                                                struct txentry_desc *txdesc,
+                                               struct ieee80211_sta *sta,
                                                const struct rt2x00_rate *hwrate)
 {
        struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
@@ -322,11 +323,11 @@ static void rt2x00queue_create_tx_descriptor_ht(struct rt2x00_dev *rt2x00dev,
        struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
        struct rt2x00_sta *sta_priv = NULL;
 
-       if (tx_info->control.sta) {
+       if (sta) {
                txdesc->u.ht.mpdu_density =
-                   tx_info->control.sta->ht_cap.ampdu_density;
+                   sta->ht_cap.ampdu_density;
 
-               sta_priv = sta_to_rt2x00_sta(tx_info->control.sta);
+               sta_priv = sta_to_rt2x00_sta(sta);
                txdesc->u.ht.wcid = sta_priv->wcid;
        }
 
@@ -341,8 +342,8 @@ static void rt2x00queue_create_tx_descriptor_ht(struct rt2x00_dev *rt2x00dev,
                 * MIMO PS should be set to 1 for STA's using dynamic SM PS
                 * when using more then one tx stream (>MCS7).
                 */
-               if (tx_info->control.sta && txdesc->u.ht.mcs > 7 &&
-                   ((tx_info->control.sta->ht_cap.cap &
+               if (sta && txdesc->u.ht.mcs > 7 &&
+                   ((sta->ht_cap.cap &
                      IEEE80211_HT_CAP_SM_PS) >>
                     IEEE80211_HT_CAP_SM_PS_SHIFT) ==
                    WLAN_HT_CAP_SM_PS_DYNAMIC)
@@ -409,7 +410,8 @@ static void rt2x00queue_create_tx_descriptor_ht(struct rt2x00_dev *rt2x00dev,
 
 static void rt2x00queue_create_tx_descriptor(struct rt2x00_dev *rt2x00dev,
                                             struct sk_buff *skb,
-                                            struct txentry_desc *txdesc)
+                                            struct txentry_desc *txdesc,
+                                            struct ieee80211_sta *sta)
 {
        struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
        struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
@@ -503,7 +505,7 @@ static void rt2x00queue_create_tx_descriptor(struct rt2x00_dev *rt2x00dev,
 
        if (test_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags))
                rt2x00queue_create_tx_descriptor_ht(rt2x00dev, skb, txdesc,
-                                                   hwrate);
+                                                  sta, hwrate);
        else
                rt2x00queue_create_tx_descriptor_plcp(rt2x00dev, skb, txdesc,
                                                      hwrate);
@@ -595,7 +597,7 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb,
         * after that we are free to use the skb->cb array
         * for our information.
         */
-       rt2x00queue_create_tx_descriptor(queue->rt2x00dev, skb, &txdesc);
+       rt2x00queue_create_tx_descriptor(queue->rt2x00dev, skb, &txdesc, NULL);
 
        /*
         * All information is retrieved from the skb->cb array,
@@ -740,7 +742,7 @@ int rt2x00queue_update_beacon_locked(struct rt2x00_dev *rt2x00dev,
         * after that we are free to use the skb->cb array
         * for our information.
         */
-       rt2x00queue_create_tx_descriptor(rt2x00dev, intf->beacon->skb, &txdesc);
+       rt2x00queue_create_tx_descriptor(rt2x00dev, intf->beacon->skb, &txdesc, NULL);
 
        /*
         * Fill in skb descriptor

diff --git a/drivers/net/wireless/rtl818x/rtl8180/dev.c b/drivers/net/wireless/rtl818x/rtl8180/dev.c
index aceaf68..021d83e 100644 (file)
--- a/drivers/net/wireless/rtl818x/rtl8180/dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8180/dev.c
@@ -244,7 +244,9 @@ static irqreturn_t rtl8180_interrupt(int irq, void *dev_id)
        return IRQ_HANDLED;
 }
 
-static void rtl8180_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
+static void rtl8180_tx(struct ieee80211_hw *dev,
+                      struct ieee80211_tx_control *control,
+                      struct sk_buff *skb)
 {
        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
        struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
@@ -710,7 +712,7 @@ static void rtl8180_beacon_work(struct work_struct *work)
        /* TODO: use actual beacon queue */
        skb_set_queue_mapping(skb, 0);
 
-       rtl8180_tx(dev, skb);
+       rtl8180_tx(dev, NULL, skb);
 
 resched:
        /*

diff --git a/drivers/net/wireless/rtl818x/rtl8187/dev.c b/drivers/net/wireless/rtl818x/rtl8187/dev.c
index 71a30b0..05d8ca0 100644 (file)
--- a/drivers/net/wireless/rtl818x/rtl8187/dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8187/dev.c
@@ -228,7 +228,9 @@ static void rtl8187_tx_cb(struct urb *urb)
        }
 }
 
-static void rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
+static void rtl8187_tx(struct ieee80211_hw *dev,
+                      struct ieee80211_tx_control *control,
+                      struct sk_buff *skb)
 {
        struct rtl8187_priv *priv = dev->priv;
        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@@ -1076,7 +1078,7 @@ static void rtl8187_beacon_work(struct work_struct *work)
        /* TODO: use actual beacon queue */
        skb_set_queue_mapping(skb, 0);
 
-       rtl8187_tx(dev, skb);
+       rtl8187_tx(dev, NULL, skb);
 
 resched:
        /*

diff --git a/drivers/net/wireless/rtlwifi/base.c b/drivers/net/wireless/rtlwifi/base.c
index 942e56b..59381fe 100644 (file)
--- a/drivers/net/wireless/rtlwifi/base.c
+++ b/drivers/net/wireless/rtlwifi/base.c
@@ -1341,9 +1341,8 @@ int rtl_send_smps_action(struct ieee80211_hw *hw,
                rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
 
                info->control.rates[0].idx = 0;
-               info->control.sta = sta;
                info->band = hw->conf.channel->band;
-               rtlpriv->intf_ops->adapter_tx(hw, skb, &tcb_desc);
+               rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc);
        }
 err_free:
        return 0;

diff --git a/drivers/net/wireless/rtlwifi/core.c b/drivers/net/wireless/rtlwifi/core.c
index a18ad2a..a7c0e52 100644 (file)
--- a/drivers/net/wireless/rtlwifi/core.c
+++ b/drivers/net/wireless/rtlwifi/core.c
@@ -124,7 +124,9 @@ static void rtl_op_stop(struct ieee80211_hw *hw)
        mutex_unlock(&rtlpriv->locks.conf_mutex);
 }
 
-static void rtl_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void rtl_op_tx(struct ieee80211_hw *hw,
+                     struct ieee80211_tx_control *control,
+                     struct sk_buff *skb)
 {
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
@@ -138,8 +140,8 @@ static void rtl_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
        if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
                goto err_free;
 
-       if (!rtlpriv->intf_ops->waitq_insert(hw, skb))
-               rtlpriv->intf_ops->adapter_tx(hw, skb, &tcb_desc);
+       if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb))
+               rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc);
 
        return;
 

diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c
index 80f75d3..aad9d44 100644 (file)
--- a/drivers/net/wireless/rtlwifi/pci.c
+++ b/drivers/net/wireless/rtlwifi/pci.c
@@ -504,7 +504,7 @@ static void _rtl_pci_tx_chk_waitq(struct ieee80211_hw *hw)
                                _rtl_update_earlymode_info(hw, skb,
                                                           &tcb_desc, tid);
 
-                       rtlpriv->intf_ops->adapter_tx(hw, skb, &tcb_desc);
+                       rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc);
                }
        }
 }
@@ -929,7 +929,7 @@ static void _rtl_pci_prepare_bcn_tasklet(struct ieee80211_hw *hw)
        info = IEEE80211_SKB_CB(pskb);
        pdesc = &ring->desc[0];
        rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *) pdesc,
-               info, pskb, BEACON_QUEUE, &tcb_desc);
+               info, NULL, pskb, BEACON_QUEUE, &tcb_desc);
 
        __skb_queue_tail(&ring->queue, pskb);
 
@@ -1305,11 +1305,10 @@ int rtl_pci_reset_trx_ring(struct ieee80211_hw *hw)
 }
 
 static bool rtl_pci_tx_chk_waitq_insert(struct ieee80211_hw *hw,
+                                       struct ieee80211_sta *sta,
                                        struct sk_buff *skb)
 {
        struct rtl_priv *rtlpriv = rtl_priv(hw);
-       struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-       struct ieee80211_sta *sta = info->control.sta;
        struct rtl_sta_info *sta_entry = NULL;
        u8 tid = rtl_get_tid(skb);
 
@@ -1337,13 +1336,14 @@ static bool rtl_pci_tx_chk_waitq_insert(struct ieee80211_hw *hw,
        return true;
 }
 
-static int rtl_pci_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
-               struct rtl_tcb_desc *ptcb_desc)
+static int rtl_pci_tx(struct ieee80211_hw *hw,
+                     struct ieee80211_sta *sta,
+                     struct sk_buff *skb,
+                     struct rtl_tcb_desc *ptcb_desc)
 {
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_sta_info *sta_entry = NULL;
        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-       struct ieee80211_sta *sta = info->control.sta;
        struct rtl8192_tx_ring *ring;
        struct rtl_tx_desc *pdesc;
        u8 idx;
@@ -1418,7 +1418,7 @@ static int rtl_pci_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
                rtlpriv->cfg->ops->led_control(hw, LED_CTL_TX);
 
        rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *)pdesc,
-                       info, skb, hw_queue, ptcb_desc);
+                       info, sta, skb, hw_queue, ptcb_desc);
 
        __skb_queue_tail(&ring->queue, skb);
 

diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c b/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c
index 5216664..390d6d4 100644 (file)
--- a/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c
@@ -596,7 +596,9 @@ bool rtl92ce_rx_query_desc(struct ieee80211_hw *hw,
 
 void rtl92ce_tx_fill_desc(struct ieee80211_hw *hw,
                          struct ieee80211_hdr *hdr, u8 *pdesc_tx,
-                         struct ieee80211_tx_info *info, struct sk_buff *skb,
+                         struct ieee80211_tx_info *info,
+                         struct ieee80211_sta *sta,
+                         struct sk_buff *skb,
                          u8 hw_queue, struct rtl_tcb_desc *tcb_desc)
 {
        struct rtl_priv *rtlpriv = rtl_priv(hw);
@@ -604,7 +606,6 @@ void rtl92ce_tx_fill_desc(struct ieee80211_hw *hw,
        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
        bool defaultadapter = true;
-       struct ieee80211_sta *sta;
        u8 *pdesc = pdesc_tx;
        u16 seq_number;
        __le16 fc = hdr->frame_control;

diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/trx.h b/drivers/net/wireless/rtlwifi/rtl8192ce/trx.h
index c4adb97..a7cdd51 100644 (file)
--- a/drivers/net/wireless/rtlwifi/rtl8192ce/trx.h
+++ b/drivers/net/wireless/rtlwifi/rtl8192ce/trx.h
@@ -713,6 +713,7 @@ struct rx_desc_92c {
 void rtl92ce_tx_fill_desc(struct ieee80211_hw *hw,
                          struct ieee80211_hdr *hdr,
                          u8 *pdesc, struct ieee80211_tx_info *info,
+                         struct ieee80211_sta *sta,
                          struct sk_buff *skb, u8 hw_queue,
                          struct rtl_tcb_desc *ptcb_desc);
 bool rtl92ce_rx_query_desc(struct ieee80211_hw *hw,

diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c b/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c
index 2e6eb35..27863d7 100644 (file)
--- a/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c
@@ -496,7 +496,9 @@ static void _rtl_tx_desc_checksum(u8 *txdesc)
 
 void rtl92cu_tx_fill_desc(struct ieee80211_hw *hw,
                          struct ieee80211_hdr *hdr, u8 *pdesc_tx,
-                         struct ieee80211_tx_info *info, struct sk_buff *skb,
+                         struct ieee80211_tx_info *info,
+                         struct ieee80211_sta *sta,
+                         struct sk_buff *skb,
                          u8 queue_index,
                          struct rtl_tcb_desc *tcb_desc)
 {
@@ -504,7 +506,6 @@ void rtl92cu_tx_fill_desc(struct ieee80211_hw *hw,
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
        bool defaultadapter = true;
-       struct ieee80211_sta *sta = info->control.sta = info->control.sta;
        u8 *qc = ieee80211_get_qos_ctl(hdr);
        u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
        u16 seq_number;

diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/trx.h b/drivers/net/wireless/rtlwifi/rtl8192cu/trx.h
index 332b06e..725c53a 100644 (file)
--- a/drivers/net/wireless/rtlwifi/rtl8192cu/trx.h
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/trx.h
@@ -420,7 +420,9 @@ struct sk_buff *rtl8192c_tx_aggregate_hdl(struct ieee80211_hw *,
                                           struct sk_buff_head *);
 void rtl92cu_tx_fill_desc(struct ieee80211_hw *hw,
                          struct ieee80211_hdr *hdr, u8 *pdesc_tx,
-                         struct ieee80211_tx_info *info, struct sk_buff *skb,
+                         struct ieee80211_tx_info *info,
+                         struct ieee80211_sta *sta,
+                         struct sk_buff *skb,
                          u8 queue_index,
                          struct rtl_tcb_desc *tcb_desc);
 void rtl92cu_fill_fake_txdesc(struct ieee80211_hw *hw, u8 * pDesc,

diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/trx.c b/drivers/net/wireless/rtlwifi/rtl8192de/trx.c
index f80690d..4686f34 100644 (file)
--- a/drivers/net/wireless/rtlwifi/rtl8192de/trx.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192de/trx.c
@@ -551,7 +551,9 @@ static void _rtl92de_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
 
 void rtl92de_tx_fill_desc(struct ieee80211_hw *hw,
                          struct ieee80211_hdr *hdr, u8 *pdesc_tx,
-                         struct ieee80211_tx_info *info, struct sk_buff *skb,
+                         struct ieee80211_tx_info *info,
+                         struct ieee80211_sta *sta,
+                         struct sk_buff *skb,
                          u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
 {
        struct rtl_priv *rtlpriv = rtl_priv(hw);
@@ -559,7 +561,6 @@ void rtl92de_tx_fill_desc(struct ieee80211_hw *hw,
        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
        struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
-       struct ieee80211_sta *sta = info->control.sta;
        u8 *pdesc = pdesc_tx;
        u16 seq_number;
        __le16 fc = hdr->frame_control;

diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/trx.h b/drivers/net/wireless/rtlwifi/rtl8192de/trx.h
index 057a524..c1b5dfb 100644 (file)
--- a/drivers/net/wireless/rtlwifi/rtl8192de/trx.h
+++ b/drivers/net/wireless/rtlwifi/rtl8192de/trx.h
@@ -730,6 +730,7 @@ struct rx_desc_92d {
 void rtl92de_tx_fill_desc(struct ieee80211_hw *hw,
                          struct ieee80211_hdr *hdr,
                          u8 *pdesc, struct ieee80211_tx_info *info,
+                         struct ieee80211_sta *sta,
                          struct sk_buff *skb, u8 hw_queue,
                          struct rtl_tcb_desc *ptcb_desc);
 bool rtl92de_rx_query_desc(struct ieee80211_hw *hw,

diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/trx.c b/drivers/net/wireless/rtlwifi/rtl8192se/trx.c
index 36d1cb3..28c53fb 100644 (file)
--- a/drivers/net/wireless/rtlwifi/rtl8192se/trx.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192se/trx.c
@@ -591,14 +591,15 @@ bool rtl92se_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats,
 
 void rtl92se_tx_fill_desc(struct ieee80211_hw *hw,
                struct ieee80211_hdr *hdr, u8 *pdesc_tx,
-               struct ieee80211_tx_info *info, struct sk_buff *skb,
+               struct ieee80211_tx_info *info,
+               struct ieee80211_sta *sta,
+               struct sk_buff *skb,
                u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
 {
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
-       struct ieee80211_sta *sta = info->control.sta;
        u8 *pdesc = pdesc_tx;
        u16 seq_number;
        __le16 fc = hdr->frame_control;

diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/trx.h b/drivers/net/wireless/rtlwifi/rtl8192se/trx.h
index 011e7b0..64dd66f 100644 (file)
--- a/drivers/net/wireless/rtlwifi/rtl8192se/trx.h
+++ b/drivers/net/wireless/rtlwifi/rtl8192se/trx.h
@@ -31,6 +31,7 @@
 
 void rtl92se_tx_fill_desc(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr,
                          u8 *pdesc, struct ieee80211_tx_info *info,
+                         struct ieee80211_sta *sta,
                          struct sk_buff *skb, u8 hw_queue,
                          struct rtl_tcb_desc *ptcb_desc);
 void rtl92se_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc, bool firstseg,

diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c
index aa970fc..9140469 100644 (file)
--- a/drivers/net/wireless/rtlwifi/usb.c
+++ b/drivers/net/wireless/rtlwifi/usb.c
@@ -848,8 +848,10 @@ static void _rtl_usb_transmit(struct ieee80211_hw *hw, struct sk_buff *skb,
        _rtl_submit_tx_urb(hw, _urb);
 }
 
-static void _rtl_usb_tx_preprocess(struct ieee80211_hw *hw, struct sk_buff *skb,
-                           u16 hw_queue)
+static void _rtl_usb_tx_preprocess(struct ieee80211_hw *hw,
+                                  struct ieee80211_sta *sta,
+                                  struct sk_buff *skb,
+                                  u16 hw_queue)
 {
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
@@ -891,7 +893,7 @@ static void _rtl_usb_tx_preprocess(struct ieee80211_hw *hw, struct sk_buff *skb,
                seq_number += 1;
                seq_number <<= 4;
        }
-       rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *)pdesc, info, skb,
+       rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *)pdesc, info, sta, skb,
                                        hw_queue, &tcb_desc);
        if (!ieee80211_has_morefrags(hdr->frame_control)) {
                if (qc)
@@ -901,7 +903,9 @@ static void _rtl_usb_tx_preprocess(struct ieee80211_hw *hw, struct sk_buff *skb,
                rtlpriv->cfg->ops->led_control(hw, LED_CTL_TX);
 }
 
-static int rtl_usb_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
+static int rtl_usb_tx(struct ieee80211_hw *hw,
+                     struct ieee80211_sta *sta,
+                     struct sk_buff *skb,
                      struct rtl_tcb_desc *dummy)
 {
        struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
@@ -913,7 +917,7 @@ static int rtl_usb_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
        if (unlikely(is_hal_stop(rtlhal)))
                goto err_free;
        hw_queue = rtlusb->usb_mq_to_hwq(fc, skb_get_queue_mapping(skb));
-       _rtl_usb_tx_preprocess(hw, skb, hw_queue);
+       _rtl_usb_tx_preprocess(hw, sta, skb, hw_queue);
        _rtl_usb_transmit(hw, skb, hw_queue);
        return NETDEV_TX_OK;
 
@@ -923,6 +927,7 @@ err_free:
 }
 
 static bool rtl_usb_tx_chk_waitq_insert(struct ieee80211_hw *hw,
+                                       struct ieee80211_sta *sta,
                                        struct sk_buff *skb)
 {
        return false;

diff --git a/drivers/net/wireless/rtlwifi/wifi.h b/drivers/net/wireless/rtlwifi/wifi.h
index cdaa21f..40153e7 100644 (file)
--- a/drivers/net/wireless/rtlwifi/wifi.h
+++ b/drivers/net/wireless/rtlwifi/wifi.h
@@ -122,7 +122,7 @@ enum rt_eeprom_type {
        EEPROM_BOOT_EFUSE,
 };
 
-enum rtl_status {
+enum ttl_status {
        RTL_STATUS_INTERFACE_START = 0,
 };
 
@@ -1418,6 +1418,7 @@ struct rtl_hal_ops {
        void (*fill_tx_desc) (struct ieee80211_hw *hw,
                              struct ieee80211_hdr *hdr, u8 *pdesc_tx,
                              struct ieee80211_tx_info *info,
+                             struct ieee80211_sta *sta,
                              struct sk_buff *skb, u8 hw_queue,
                              struct rtl_tcb_desc *ptcb_desc);
        void (*fill_fake_txdesc) (struct ieee80211_hw *hw, u8 *pDesc,
@@ -1475,11 +1476,15 @@ struct rtl_intf_ops {
        int (*adapter_start) (struct ieee80211_hw *hw);
        void (*adapter_stop) (struct ieee80211_hw *hw);
 
-       int (*adapter_tx) (struct ieee80211_hw *hw, struct sk_buff *skb,
-                       struct rtl_tcb_desc *ptcb_desc);
+       int (*adapter_tx) (struct ieee80211_hw *hw,
+                          struct ieee80211_sta *sta,
+                          struct sk_buff *skb,
+                          struct rtl_tcb_desc *ptcb_desc);
        void (*flush)(struct ieee80211_hw *hw, bool drop);
        int (*reset_trx_ring) (struct ieee80211_hw *hw);
-       bool (*waitq_insert) (struct ieee80211_hw *hw, struct sk_buff *skb);
+       bool (*waitq_insert) (struct ieee80211_hw *hw,
+                             struct ieee80211_sta *sta,
+                             struct sk_buff *skb);
 
        /*pci */
        void (*disable_aspm) (struct ieee80211_hw *hw);

diff --git a/drivers/net/wireless/ti/wl1251/main.c b/drivers/net/wireless/ti/wl1251/main.c
index 3118c42..441cbcc 100644 (file)
--- a/drivers/net/wireless/ti/wl1251/main.c
+++ b/drivers/net/wireless/ti/wl1251/main.c
@@ -354,7 +354,9 @@ out:
        return ret;
 }
 
-static void wl1251_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void wl1251_op_tx(struct ieee80211_hw *hw,
+                        struct ieee80211_tx_control *control,
+                        struct sk_buff *skb)
 {
        struct wl1251 *wl = hw->priv;
        unsigned long flags;

diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index 5efd591..ff830cf 100644 (file)
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -1181,7 +1181,9 @@ out:
        return ret;
 }
 
-static void wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void wl1271_op_tx(struct ieee80211_hw *hw,
+                        struct ieee80211_tx_control *control,
+                        struct sk_buff *skb)
 {
        struct wl1271 *wl = hw->priv;
        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@@ -1197,7 +1199,7 @@ static void wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
        mapping = skb_get_queue_mapping(skb);
        q = wl1271_tx_get_queue(mapping);
 
-       hlid = wl12xx_tx_get_hlid(wl, wlvif, skb, info->control.sta);
+       hlid = wl12xx_tx_get_hlid(wl, wlvif, skb, control->sta);
 
        spin_lock_irqsave(&wl->wl_lock, flags);
 

diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index c9e2660..4598801 100644 (file)
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -937,7 +937,9 @@ static int fill_ctrlset(struct zd_mac *mac,
  * control block of the skbuff will be initialized. If necessary the incoming
  * mac80211 queues will be stopped.
  */
-static void zd_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void zd_op_tx(struct ieee80211_hw *hw,
+                    struct ieee80211_tx_control *control,
+                    struct sk_buff *skb)
 {
        struct zd_mac *mac = zd_hw_mac(hw);
        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@@ -1176,7 +1178,7 @@ static void zd_beacon_done(struct zd_mac *mac)
                skb = ieee80211_get_buffered_bc(mac->hw, mac->vif);
                if (!skb)
                        break;
-               zd_op_tx(mac->hw, skb);
+               zd_op_tx(mac->hw, NULL, skb);
        }
 
        /*

diff --git a/drivers/staging/winbond/wbusb.c b/drivers/staging/winbond/wbusb.c
index ef36054..b76d95e 100644 (file)
--- a/drivers/staging/winbond/wbusb.c
+++ b/drivers/staging/winbond/wbusb.c
@@ -119,7 +119,9 @@ static void wbsoft_configure_filter(struct ieee80211_hw *dev,
        *total_flags = new_flags;
 }
 
-static void wbsoft_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
+static void wbsoft_tx(struct ieee80211_hw *dev,
+                     struct ieee80211_tx_control *control,
+                     struct sk_buff *skb)
 {
        struct wbsoft_priv *priv = dev->priv;
 

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index d67d3bb..8114f59 100644 (file)
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -527,9 +527,6 @@ struct ieee80211_tx_rate {
  *  (2) driver internal use (if applicable)
  *  (3) TX status information - driver tells mac80211 what happened
  *
- * The TX control's sta pointer is only valid during the ->tx call,
- * it may be NULL.
- *
  * @flags: transmit info flags, defined above
  * @band: the band to transmit on (use for checking for races)
  * @hw_queue: HW queue to put the frame on, skb_get_queue_mapping() gives the AC
@@ -560,6 +557,7 @@ struct ieee80211_tx_info {
                                        struct ieee80211_tx_rate rates[
                                                IEEE80211_TX_MAX_RATES];
                                        s8 rts_cts_rate_idx;
+                                       /* 3 bytes free */
                                };
                                /* only needed before rate control */
                                unsigned long jiffies;
@@ -567,7 +565,7 @@ struct ieee80211_tx_info {
                        /* NB: vif can be NULL for injected frames */
                        struct ieee80211_vif *vif;
                        struct ieee80211_key_conf *hw_key;
-                       struct ieee80211_sta *sta;
+                       /* 8 bytes free */
                } control;
                struct {
                        struct ieee80211_tx_rate rates[IEEE80211_TX_MAX_RATES];
@@ -1079,6 +1077,16 @@ enum sta_notify_cmd {
 };
 
 /**
+ * struct ieee80211_tx_control - TX control data
+ *
+ * @sta: station table entry, this sta pointer may be NULL and
+ *     it is not allowed to copy the pointer, due to RCU.
+ */
+struct ieee80211_tx_control {
+       struct ieee80211_sta *sta;
+};
+
+/**
  * enum ieee80211_hw_flags - hardware flags
  *
  * These flags are used to indicate hardware capabilities to
@@ -2269,7 +2277,9 @@ enum ieee80211_rate_control_changed {
  *     The callback is optional and can (should!) sleep.
  */
 struct ieee80211_ops {
-       void (*tx)(struct ieee80211_hw *hw, struct sk_buff *skb);
+       void (*tx)(struct ieee80211_hw *hw,
+                  struct ieee80211_tx_control *control,
+                  struct sk_buff *skb);
        int (*start)(struct ieee80211_hw *hw);
        void (*stop)(struct ieee80211_hw *hw);
 #ifdef CONFIG_PM

diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index df92031..a81117a 100644 (file)
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -22,9 +22,11 @@ get_bss_sdata(struct ieee80211_sub_if_data *sdata)
        return sdata;
 }
 
-static inline void drv_tx(struct ieee80211_local *local, struct sk_buff *skb)
+static inline void drv_tx(struct ieee80211_local *local,
+                         struct ieee80211_tx_control *control,
+                         struct sk_buff *skb)
 {
-       local->ops->tx(&local->hw, skb);
+       local->ops->tx(&local->hw, control, skb);
 }
 
 static inline void drv_get_et_strings(struct ieee80211_sub_if_data *sdata,

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index acf712f..7558ba5 100644 (file)
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1204,6 +1204,7 @@ static bool ieee80211_tx_frags(struct ieee80211_local *local,
                               struct sk_buff_head *skbs,
                               bool txpending)
 {
+       struct ieee80211_tx_control control;
        struct sk_buff *skb, *tmp;
        unsigned long flags;
 
@@ -1240,10 +1241,10 @@ static bool ieee80211_tx_frags(struct ieee80211_local *local,
                spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
 
                info->control.vif = vif;
-               info->control.sta = sta;
+               control.sta = sta;
 
                __skb_unlink(skb, skbs);
-               drv_tx(local, skb);
+               drv_tx(local, &control, skb);
        }
 
        return true;