mac80211: add ieee80211_vif param to tsf functions

TSF can be kept per vif.
Add ieee80211_vif param to set/get/reset_tsf, and move
the debugfs entries to the per-vif directory.

Update all the drivers that implement these callbacks.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

27 files changed, 137 insertions, 112 deletions

diff --git a/drivers/net/wireless/adm8211.c b/drivers/net/wireless/adm8211.c
index 43ebc44fc82c..3b752d9fb3cd 100644
--- a/drivers/net/wireless/adm8211.c
+++ b/drivers/net/wireless/adm8211.c
@@ -1249,7 +1249,8 @@ static int adm8211_hw_reset(struct ieee80211_hw *dev)
         return 0;
 }
 
-static u64 adm8211_get_tsft(struct ieee80211_hw *dev)
+static u64 adm8211_get_tsft(struct ieee80211_hw *dev,
+                            struct ieee80211_vif *vif)
 {
         struct adm8211_priv *priv = dev->priv;
         u32 tsftl;
diff --git a/drivers/net/wireless/ath/ath5k/mac80211-ops.c b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
index 0560234ec3f6..bba4f6fcf7e2 100644
--- a/drivers/net/wireless/ath/ath5k/mac80211-ops.c
+++ b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
@@ -602,7 +602,7 @@ ath5k_conf_tx(struct ieee80211_hw *hw, u16 queue,
 
 
 static u64
-ath5k_get_tsf(struct ieee80211_hw *hw)
+ath5k_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
         struct ath5k_hw *ah = hw->priv;
 
@@ -611,7 +611,7 @@ ath5k_get_tsf(struct ieee80211_hw *hw)
 
 
 static void
-ath5k_set_tsf(struct ieee80211_hw *hw, u64 tsf)
+ath5k_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u64 tsf)
 {
         struct ath5k_hw *ah = hw->priv;
 
@@ -620,7 +620,7 @@ ath5k_set_tsf(struct ieee80211_hw *hw, u64 tsf)
 
 
 static void
-ath5k_reset_tsf(struct ieee80211_hw *hw)
+ath5k_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
         struct ath5k_hw *ah = hw->priv;
 
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index 495fdf680a6c..17dbbd9d2f53 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -1563,7 +1563,8 @@ static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw,
         mutex_unlock(&priv->mutex);
 }
 
-static u64 ath9k_htc_get_tsf(struct ieee80211_hw *hw)
+static u64 ath9k_htc_get_tsf(struct ieee80211_hw *hw,
+                             struct ieee80211_vif *vif)
 {
         struct ath9k_htc_priv *priv = hw->priv;
         u64 tsf;
@@ -1577,7 +1578,8 @@ static u64 ath9k_htc_get_tsf(struct ieee80211_hw *hw)
         return tsf;
 }
 
-static void ath9k_htc_set_tsf(struct ieee80211_hw *hw, u64 tsf)
+static void ath9k_htc_set_tsf(struct ieee80211_hw *hw,
+                              struct ieee80211_vif *vif, u64 tsf)
 {
         struct ath9k_htc_priv *priv = hw->priv;
 
@@ -1588,7 +1590,8 @@ static void ath9k_htc_set_tsf(struct ieee80211_hw *hw, u64 tsf)
         mutex_unlock(&priv->mutex);
 }
 
-static void ath9k_htc_reset_tsf(struct ieee80211_hw *hw)
+static void ath9k_htc_reset_tsf(struct ieee80211_hw *hw,
+                                struct ieee80211_vif *vif)
 {
         struct ath9k_htc_priv *priv = hw->priv;
 
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index ee39702da5d8..fb803e209760 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2143,7 +2143,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
         ath9k_ps_restore(sc);
 }
 
-static u64 ath9k_get_tsf(struct ieee80211_hw *hw)
+static u64 ath9k_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
         struct ath_softc *sc = hw->priv;
         u64 tsf;
@@ -2157,7 +2157,9 @@ static u64 ath9k_get_tsf(struct ieee80211_hw *hw)
         return tsf;
 }
 
-static void ath9k_set_tsf(struct ieee80211_hw *hw, u64 tsf)
+static void ath9k_set_tsf(struct ieee80211_hw *hw,
+                          struct ieee80211_vif *vif,
+                          u64 tsf)
 {
         struct ath_softc *sc = hw->priv;
 
@@ -2168,7 +2170,7 @@ static void ath9k_set_tsf(struct ieee80211_hw *hw, u64 tsf)
         mutex_unlock(&sc->mutex);
 }
 
-static void ath9k_reset_tsf(struct ieee80211_hw *hw)
+static void ath9k_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
         struct ath_softc *sc = hw->priv;
 
diff --git a/drivers/net/wireless/ath/carl9170/main.c b/drivers/net/wireless/ath/carl9170/main.c
index af351ecd87c4..8b780d6d470f 100644
--- a/drivers/net/wireless/ath/carl9170/main.c
+++ b/drivers/net/wireless/ath/carl9170/main.c
@@ -1078,7 +1078,8 @@ out:
         mutex_unlock(&ar->mutex);
 }
 
-static u64 carl9170_op_get_tsf(struct ieee80211_hw *hw)
+static u64 carl9170_op_get_tsf(struct ieee80211_hw *hw,
+                               struct ieee80211_vif *vif)
 {
         struct ar9170 *ar = hw->priv;
         struct carl9170_tsf_rsp tsf;
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 56fa3a3648c4..559bcd6688ec 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -3599,7 +3599,7 @@ static int b43_op_get_stats(struct ieee80211_hw *hw,
         return 0;
 }
 
-static u64 b43_op_get_tsf(struct ieee80211_hw *hw)
+static u64 b43_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
         struct b43_wl *wl = hw_to_b43_wl(hw);
         struct b43_wldev *dev;
@@ -3618,7 +3618,8 @@ static u64 b43_op_get_tsf(struct ieee80211_hw *hw)
         return tsf;
 }
 
-static void b43_op_set_tsf(struct ieee80211_hw *hw, u64 tsf)
+static void b43_op_set_tsf(struct ieee80211_hw *hw,
+                           struct ieee80211_vif *vif, u64 tsf)
 {
         struct b43_wl *wl = hw_to_b43_wl(hw);
         struct b43_wldev *dev;
diff --git a/drivers/net/wireless/iwlegacy/iwl-core.c b/drivers/net/wireless/iwlegacy/iwl-core.c
index 35cd2537e7fd..c4921911c6d1 100644
--- a/drivers/net/wireless/iwlegacy/iwl-core.c
+++ b/drivers/net/wireless/iwlegacy/iwl-core.c
@@ -2220,7 +2220,8 @@ out:
 }
 EXPORT_SYMBOL(iwl_legacy_mac_config);
 
-void iwl_legacy_mac_reset_tsf(struct ieee80211_hw *hw)
+void iwl_legacy_mac_reset_tsf(struct ieee80211_hw *hw,
+                              struct ieee80211_vif *vif)
 {
         struct iwl_priv *priv = hw->priv;
         unsigned long flags;
diff --git a/drivers/net/wireless/iwlegacy/iwl-core.h b/drivers/net/wireless/iwlegacy/iwl-core.h
index 84da79376ef8..b2df01c8f8f5 100644
--- a/drivers/net/wireless/iwlegacy/iwl-core.h
+++ b/drivers/net/wireless/iwlegacy/iwl-core.h
@@ -620,7 +620,8 @@ static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
 
 /* mac80211 handlers */
 int iwl_legacy_mac_config(struct ieee80211_hw *hw, u32 changed);
-void iwl_legacy_mac_reset_tsf(struct ieee80211_hw *hw);
+void iwl_legacy_mac_reset_tsf(struct ieee80211_hw *hw,
+                              struct ieee80211_vif *vif);
 void iwl_legacy_mac_bss_info_changed(struct ieee80211_hw *hw,
                                      struct ieee80211_vif *vif,
                                      struct ieee80211_bss_conf *bss_conf,
diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
index daa32fc9398b..7e9272b8f01d 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -1239,7 +1239,7 @@ static void rt2400pci_fill_rxdone(struct queue_entry *entry,
          * call, we must decrease the higher 32bits with 1 to get
          * to correct value.
          */
-        tsf = rt2x00dev->ops->hw->get_tsf(rt2x00dev->hw);
+        tsf = rt2x00dev->ops->hw->get_tsf(rt2x00dev->hw, NULL);
         rx_low = rt2x00_get_field32(word4, RXD_W4_RX_END_TIME);
         rx_high = upper_32_bits(tsf);
 
@@ -1673,7 +1673,8 @@ static int rt2400pci_conf_tx(struct ieee80211_hw *hw, u16 queue,
         return 0;
 }
 
-static u64 rt2400pci_get_tsf(struct ieee80211_hw *hw)
+static u64 rt2400pci_get_tsf(struct ieee80211_hw *hw,
+                             struct ieee80211_vif *vif)
 {
         struct rt2x00_dev *rt2x00dev = hw->priv;
         u64 tsf;
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index b46c3b8866fa..dcc0e1fcca77 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -1966,7 +1966,8 @@ static int rt2500pci_probe_hw(struct rt2x00_dev *rt2x00dev)
 /*
  * IEEE80211 stack callback functions.
  */
-static u64 rt2500pci_get_tsf(struct ieee80211_hw *hw)
+static u64 rt2500pci_get_tsf(struct ieee80211_hw *hw,
+                             struct ieee80211_vif *vif)
 {
         struct rt2x00_dev *rt2x00dev = hw->priv;
         u64 tsf;
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 31c98509f7e6..9688dd0a7ebd 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -4466,7 +4466,7 @@ int rt2800_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
 }
 EXPORT_SYMBOL_GPL(rt2800_conf_tx);
 
-u64 rt2800_get_tsf(struct ieee80211_hw *hw)
+u64 rt2800_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
         struct rt2x00_dev *rt2x00dev = hw->priv;
         u64 tsf;
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.h b/drivers/net/wireless/rt2x00/rt2800lib.h
index 7a2511f6785c..6de128e9c612 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.h
+++ b/drivers/net/wireless/rt2x00/rt2800lib.h
@@ -199,7 +199,7 @@ void rt2800_get_tkip_seq(struct ieee80211_hw *hw, u8 hw_key_idx, u32 *iv32,
 int rt2800_set_rts_threshold(struct ieee80211_hw *hw, u32 value);
 int rt2800_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
                    const struct ieee80211_tx_queue_params *params);
-u64 rt2800_get_tsf(struct ieee80211_hw *hw);
+u64 rt2800_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
 int rt2800_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
                         enum ieee80211_ampdu_mlme_action action,
                         struct ieee80211_sta *sta, u16 tid, u16 *ssn,
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index 058ef4b19d1d..6b6a8e2dcddc 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -2940,7 +2940,7 @@ static int rt61pci_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
         return 0;
 }
 
-static u64 rt61pci_get_tsf(struct ieee80211_hw *hw)
+static u64 rt61pci_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
         struct rt2x00_dev *rt2x00dev = hw->priv;
         u64 tsf;
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index 0baeb894f093..6f51e39f5595 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -2279,7 +2279,7 @@ static int rt73usb_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
         return 0;
 }
 
-static u64 rt73usb_get_tsf(struct ieee80211_hw *hw)
+static u64 rt73usb_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
         struct rt2x00_dev *rt2x00dev = hw->priv;
         u64 tsf;
diff --git a/drivers/net/wireless/rtl818x/rtl8180/dev.c b/drivers/net/wireless/rtl818x/rtl8180/dev.c
index 66b29dc07cc3..0082015ff664 100644
--- a/drivers/net/wireless/rtl818x/rtl8180/dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8180/dev.c
@@ -669,7 +669,8 @@ static void rtl8180_stop(struct ieee80211_hw *dev)
                 rtl8180_free_tx_ring(dev, i);
 }
 
-static u64 rtl8180_get_tsf(struct ieee80211_hw *dev)
+static u64 rtl8180_get_tsf(struct ieee80211_hw *dev,
+                           struct ieee80211_vif *vif)
 {
         struct rtl8180_priv *priv = dev->priv;
 
@@ -701,7 +702,7 @@ static void rtl8180_beacon_work(struct work_struct *work)
          * TODO: make hardware update beacon timestamp
          */
         mgmt = (struct ieee80211_mgmt *)skb->data;
-        mgmt->u.beacon.timestamp = cpu_to_le64(rtl8180_get_tsf(dev));
+        mgmt->u.beacon.timestamp = cpu_to_le64(rtl8180_get_tsf(dev, vif));
 
         /* TODO: use actual beacon queue */
         skb_set_queue_mapping(skb, 0);
diff --git a/drivers/net/wireless/rtl818x/rtl8187/dev.c b/drivers/net/wireless/rtl818x/rtl8187/dev.c
index 1e0be14d10d4..f5afa155ce91 100644
--- a/drivers/net/wireless/rtl818x/rtl8187/dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8187/dev.c
@@ -1277,7 +1277,7 @@ static int rtl8187_conf_tx(struct ieee80211_hw *dev, u16 queue,
         return 0;
 }
 
-static u64 rtl8187_get_tsf(struct ieee80211_hw *dev)
+static u64 rtl8187_get_tsf(struct ieee80211_hw *dev, struct ieee80211_vif *vif)
 {
         struct rtl8187_priv *priv = dev->priv;
 
diff --git a/drivers/net/wireless/rtlwifi/core.c b/drivers/net/wireless/rtlwifi/core.c
index 04c4e9eb6ee6..21e40f62a8d7 100644
--- a/drivers/net/wireless/rtlwifi/core.c
+++ b/drivers/net/wireless/rtlwifi/core.c
@@ -775,7 +775,7 @@ out:
         mutex_unlock(&rtlpriv->locks.conf_mutex);
 }
 
-static u64 rtl_op_get_tsf(struct ieee80211_hw *hw)
+static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
         struct rtl_priv *rtlpriv = rtl_priv(hw);
         u64 tsf;
@@ -784,7 +784,8 @@ static u64 rtl_op_get_tsf(struct ieee80211_hw *hw)
         return tsf;
 }
 
-static void rtl_op_set_tsf(struct ieee80211_hw *hw, u64 tsf)
+static void rtl_op_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+                           u64 tsf)
 {
         struct rtl_priv *rtlpriv = rtl_priv(hw);
         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
@@ -794,7 +795,8 @@ static void rtl_op_set_tsf(struct ieee80211_hw *hw, u64 tsf)
         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *) (&bibss));
 }
 
-static void rtl_op_reset_tsf(struct ieee80211_hw *hw)
+static void rtl_op_reset_tsf(struct ieee80211_hw *hw,
+                             struct ieee80211_vif *vif)
 {
         struct rtl_priv *rtlpriv = rtl_priv(hw);
         u8 tmp = 0;
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index a51dd0ed6d2d..7d409b0f3357 100644
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -3815,7 +3815,8 @@ out:
         return ret;
 }
 
-static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw)
+static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw,
+                             struct ieee80211_vif *vif)
 {
 
         struct wl1271 *wl = hw->priv;
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index cabfae1e70b1..0a70149df3fc 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -1332,7 +1332,7 @@ static void zd_op_bss_info_changed(struct ieee80211_hw *hw,
         }
 }
 
-static u64 zd_op_get_tsf(struct ieee80211_hw *hw)
+static u64 zd_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
         struct zd_mac *mac = zd_hw_mac(hw);
         return zd_chip_get_tsf(&mac->chip);
diff --git a/drivers/staging/brcm80211/brcmsmac/mac80211_if.c b/drivers/staging/brcm80211/brcmsmac/mac80211_if.c
index d6de44e430d3..315dd91800b6 100644
--- a/drivers/staging/brcm80211/brcmsmac/mac80211_if.c
+++ b/drivers/staging/brcm80211/brcmsmac/mac80211_if.c
@@ -133,7 +133,8 @@ static int brcms_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
                           bool set);
 static void brcms_ops_sw_scan_start(struct ieee80211_hw *hw);
 static void brcms_ops_sw_scan_complete(struct ieee80211_hw *hw);
-static void brcms_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf);
+static void brcms_ops_set_tsf(struct ieee80211_hw *hw,
+                              struct ieee80211_vif *vif, u64 tsf);
 static int brcms_ops_get_stats(struct ieee80211_hw *hw,
                             struct ieee80211_low_level_stats *stats);
 static void brcms_ops_sta_notify(struct ieee80211_hw *hw,
@@ -142,7 +143,8 @@ static void brcms_ops_sta_notify(struct ieee80211_hw *hw,
                               struct ieee80211_sta *sta);
 static int brcms_ops_conf_tx(struct ieee80211_hw *hw, u16 queue,
                           const struct ieee80211_tx_queue_params *params);
-static u64 brcms_ops_get_tsf(struct ieee80211_hw *hw);
+static u64 brcms_ops_get_tsf(struct ieee80211_hw *hw,
+                             struct ieee80211_vif *vif);
 static int brcms_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
                       struct ieee80211_sta *sta);
 static int brcms_ops_sta_remove(struct ieee80211_hw *hw,
@@ -516,7 +518,8 @@ static void brcms_ops_sw_scan_complete(struct ieee80211_hw *hw)
         return;
 }
 
-static void brcms_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf)
+static void brcms_ops_set_tsf(struct ieee80211_hw *hw,
+                              struct ieee80211_vif *vif, u64 tsf)
 {
         wiphy_err(hw->wiphy, "%s: Enter\n", __func__);
         return;
@@ -565,7 +568,8 @@ brcms_ops_conf_tx(struct ieee80211_hw *hw, u16 queue,
         return 0;
 }
 
-static u64 brcms_ops_get_tsf(struct ieee80211_hw *hw)
+static u64 brcms_ops_get_tsf(struct ieee80211_hw *hw,
+                             struct ieee80211_vif *vif)
 {
         wiphy_err(hw->wiphy, "%s: Enter\n", __func__);
         return 0;
diff --git a/drivers/staging/winbond/wbusb.c b/drivers/staging/winbond/wbusb.c
index 3724e1e67ec2..a2e8bd452ed9 100644
--- a/drivers/staging/winbond/wbusb.c
+++ b/drivers/staging/winbond/wbusb.c
@@ -277,7 +277,7 @@ static int wbsoft_config(struct ieee80211_hw *dev, u32 changed)
         return 0;
 }
 
-static u64 wbsoft_get_tsf(struct ieee80211_hw *dev)
+static u64 wbsoft_get_tsf(struct ieee80211_hw *dev, struct ieee80211_vif *vif)
 {
         printk("wbsoft_get_tsf called\n");
         return 0;
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index c0f63fd0c52b..90dfcc99b466 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -2000,9 +2000,10 @@ struct ieee80211_ops {
                         enum sta_notify_cmd, struct ieee80211_sta *sta);
         int (*conf_tx)(struct ieee80211_hw *hw, u16 queue,
                        const struct ieee80211_tx_queue_params *params);
-        u64 (*get_tsf)(struct ieee80211_hw *hw);
-        void (*set_tsf)(struct ieee80211_hw *hw, u64 tsf);
-        void (*reset_tsf)(struct ieee80211_hw *hw);
+        u64 (*get_tsf)(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
+        void (*set_tsf)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+                        u64 tsf);
+        void (*reset_tsf)(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
         int (*tx_last_beacon)(struct ieee80211_hw *hw);
         int (*ampdu_action)(struct ieee80211_hw *hw,
                             struct ieee80211_vif *vif,
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index c9141168fd43..883996b2f99f 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -78,57 +78,6 @@ DEBUGFS_READONLY_FILE(wep_iv, "%#08x",
 DEBUGFS_READONLY_FILE(rate_ctrl_alg, "%s",
         local->rate_ctrl ? local->rate_ctrl->ops->name : "hw/driver");
 
-static ssize_t tsf_read(struct file *file, char __user *user_buf,
-                             size_t count, loff_t *ppos)
-{
-        struct ieee80211_local *local = file->private_data;
-        u64 tsf;
-
-        tsf = drv_get_tsf(local);
-
-        return mac80211_format_buffer(user_buf, count, ppos, "0x%016llx\n",
-                                      (unsigned long long) tsf);
-}
-
-static ssize_t tsf_write(struct file *file,
-                         const char __user *user_buf,
-                         size_t count, loff_t *ppos)
-{
-        struct ieee80211_local *local = file->private_data;
-        unsigned long long tsf;
-        char buf[100];
-        size_t len;
-
-        len = min(count, sizeof(buf) - 1);
-        if (copy_from_user(buf, user_buf, len))
-                return -EFAULT;
-        buf[len] = '\0';
-
-        if (strncmp(buf, "reset", 5) == 0) {
-                if (local->ops->reset_tsf) {
-                        drv_reset_tsf(local);
-                        wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
-                }
-        } else {
-                tsf = simple_strtoul(buf, NULL, 0);
-                if (local->ops->set_tsf) {
-                        drv_set_tsf(local, tsf);
-                        wiphy_info(local->hw.wiphy,
-                                   "debugfs set TSF to %#018llx\n", tsf);
-
-                }
-        }
-
-        return count;
-}
-
-static const struct file_operations tsf_ops = {
-        .read = tsf_read,
-        .write = tsf_write,
-        .open = mac80211_open_file_generic,
-        .llseek = default_llseek,
-};
-
 static ssize_t reset_write(struct file *file, const char __user *user_buf,
                            size_t count, loff_t *ppos)
 {
@@ -447,7 +396,6 @@ void debugfs_hw_add(struct ieee80211_local *local)
         DEBUGFS_ADD(frequency);
         DEBUGFS_ADD(total_ps_buffered);
         DEBUGFS_ADD(wep_iv);
-        DEBUGFS_ADD(tsf);
         DEBUGFS_ADD(queues);
         DEBUGFS_ADD_MODE(reset, 0200);
         DEBUGFS_ADD(noack);
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index dd0462917518..9352819a986b 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -21,6 +21,7 @@
 #include "rate.h"
 #include "debugfs.h"
 #include "debugfs_netdev.h"
+#include "driver-ops.h"
 
 static ssize_t ieee80211_if_read(
         struct ieee80211_sub_if_data *sdata,
@@ -331,6 +332,46 @@ static ssize_t ieee80211_if_fmt_num_buffered_multicast(
 }
 __IEEE80211_IF_FILE(num_buffered_multicast, NULL);
 
+/* IBSS attributes */
+static ssize_t ieee80211_if_fmt_tsf(
+        const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
+{
+        struct ieee80211_local *local = sdata->local;
+        u64 tsf;
+
+        tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
+
+        return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
+}
+
+static ssize_t ieee80211_if_parse_tsf(
+        struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
+{
+        struct ieee80211_local *local = sdata->local;
+        unsigned long long tsf;
+        int ret;
+
+        if (strncmp(buf, "reset", 5) == 0) {
+                if (local->ops->reset_tsf) {
+                        drv_reset_tsf(local, sdata);
+                        wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
+                }
+        } else {
+                ret = kstrtoull(buf, 10, &tsf);
+                if (ret < 0)
+                        return -EINVAL;
+                if (local->ops->set_tsf) {
+                        drv_set_tsf(local, sdata, tsf);
+                        wiphy_info(local->hw.wiphy,
+                                   "debugfs set TSF to %#018llx\n", tsf);
+                }
+        }
+
+        return buflen;
+}
+__IEEE80211_IF_FILE_W(tsf);
+
+
 /* WDS attributes */
 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
 
@@ -421,6 +462,11 @@ static void add_ap_files(struct ieee80211_sub_if_data *sdata)
         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
 }
 
+static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
+{
+        DEBUGFS_ADD_MODE(tsf, 0600);
+}
+
 static void add_wds_files(struct ieee80211_sub_if_data *sdata)
 {
         DEBUGFS_ADD(drop_unencrypted);
@@ -515,7 +561,7 @@ static void add_files(struct ieee80211_sub_if_data *sdata)
                 add_sta_files(sdata);
                 break;
         case NL80211_IFTYPE_ADHOC:
-                /* XXX */
+                add_ibss_files(sdata);
                 break;
         case NL80211_IFTYPE_AP:
                 add_ap_files(sdata);
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 9001ff331f0a..5e5d97389bc9 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -427,36 +427,40 @@ static inline int drv_conf_tx(struct ieee80211_local *local, u16 queue,
         return ret;
 }
 
-static inline u64 drv_get_tsf(struct ieee80211_local *local)
+static inline u64 drv_get_tsf(struct ieee80211_local *local,
+                              struct ieee80211_sub_if_data *sdata)
 {
         u64 ret = -1ULL;
 
         might_sleep();
 
-        trace_drv_get_tsf(local);
+        trace_drv_get_tsf(local, sdata);
         if (local->ops->get_tsf)
-                ret = local->ops->get_tsf(&local->hw);
+                ret = local->ops->get_tsf(&local->hw, &sdata->vif);
         trace_drv_return_u64(local, ret);
         return ret;
 }
 
-static inline void drv_set_tsf(struct ieee80211_local *local, u64 tsf)
+static inline void drv_set_tsf(struct ieee80211_local *local,
+                               struct ieee80211_sub_if_data *sdata,
+                               u64 tsf)
 {
         might_sleep();
 
-        trace_drv_set_tsf(local, tsf);
+        trace_drv_set_tsf(local, sdata, tsf);
         if (local->ops->set_tsf)
-                local->ops->set_tsf(&local->hw, tsf);
+                local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
         trace_drv_return_void(local);
 }
 
-static inline void drv_reset_tsf(struct ieee80211_local *local)
+static inline void drv_reset_tsf(struct ieee80211_local *local,
+                                 struct ieee80211_sub_if_data *sdata)
 {
         might_sleep();
 
-        trace_drv_reset_tsf(local);
+        trace_drv_reset_tsf(local, sdata);
         if (local->ops->reset_tsf)
-                local->ops->reset_tsf(&local->hw);
+                local->ops->reset_tsf(&local->hw, &sdata->vif);
         trace_drv_return_void(local);
 }
 
diff --git a/net/mac80211/driver-trace.h b/net/mac80211/driver-trace.h
index f47b00dc7afd..07d94ff55798 100644
--- a/net/mac80211/driver-trace.h
+++ b/net/mac80211/driver-trace.h
@@ -726,35 +726,41 @@ TRACE_EVENT(drv_conf_tx,
         )
 );
 
-DEFINE_EVENT(local_only_evt, drv_get_tsf,
-        TP_PROTO(struct ieee80211_local *local),
-        TP_ARGS(local)
+DEFINE_EVENT(local_sdata_evt, drv_get_tsf,
+        TP_PROTO(struct ieee80211_local *local,
+                 struct ieee80211_sub_if_data *sdata),
+        TP_ARGS(local, sdata)
 );
 
 TRACE_EVENT(drv_set_tsf,
-        TP_PROTO(struct ieee80211_local *local, u64 tsf),
+        TP_PROTO(struct ieee80211_local *local,
+                 struct ieee80211_sub_if_data *sdata,
+                 u64 tsf),
 
-        TP_ARGS(local, tsf),
+        TP_ARGS(local, sdata, tsf),
 
         TP_STRUCT__entry(
                 LOCAL_ENTRY
+                VIF_ENTRY
                 __field(u64, tsf)
         ),
 
         TP_fast_assign(
                 LOCAL_ASSIGN;
+                VIF_ASSIGN;
                 __entry->tsf = tsf;
         ),
 
         TP_printk(
-                LOCAL_PR_FMT " tsf:%llu",
-                LOCAL_PR_ARG, (unsigned long long)__entry->tsf
+                LOCAL_PR_FMT  VIF_PR_FMT  " tsf:%llu",
+                LOCAL_PR_ARG, VIF_PR_ARG, (unsigned long long)__entry->tsf
         )
 );
 
-DEFINE_EVENT(local_only_evt, drv_reset_tsf,
-        TP_PROTO(struct ieee80211_local *local),
-        TP_ARGS(local)
+DEFINE_EVENT(local_sdata_evt, drv_reset_tsf,
+        TP_PROTO(struct ieee80211_local *local,
+                 struct ieee80211_sub_if_data *sdata),
+        TP_ARGS(local, sdata)
 );
 
 DEFINE_EVENT(local_only_evt, drv_tx_last_beacon,
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 836b2752ecd6..7809895df8b0 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -81,7 +81,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
         lockdep_assert_held(&ifibss->mtx);
 
         /* Reset own TSF to allow time synchronization work. */
-        drv_reset_tsf(local);
+        drv_reset_tsf(local, sdata);
 
         skb = ifibss->skb;
         rcu_assign_pointer(ifibss->presp, NULL);
@@ -382,7 +382,7 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
                  * second best option: get current TSF
                  * (will return -1 if not supported)
                  */
-                rx_timestamp = drv_get_tsf(local);
+                rx_timestamp = drv_get_tsf(local, sdata);
         }
 
 #ifdef CONFIG_MAC80211_IBSS_DEBUG