mac80211: allow drivers to support NL80211_SCAN_FLAG_RANDOM_ADDR

Allow drivers to support NL80211_SCAN_FLAG_RANDOM_ADDR with software
based scanning and generate a random MAC address for them for every
scan request with the flag.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

16 files changed, 64 insertions, 29 deletions

diff --git a/drivers/net/wireless/ath/ath5k/mac80211-ops.c b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
index ab2709a43768..19eab2a69ad5 100644
--- a/drivers/net/wireless/ath/ath5k/mac80211-ops.c
+++ b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
@@ -547,7 +547,9 @@ ath5k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 
 
 static void
-ath5k_sw_scan_start(struct ieee80211_hw *hw)
+ath5k_sw_scan_start(struct ieee80211_hw *hw,
+                    struct ieee80211_vif *vif,
+                    const u8 *mac_addr)
 {
         struct ath5k_hw *ah = hw->priv;
         if (!ah->assoc)
@@ -556,7 +558,7 @@ ath5k_sw_scan_start(struct ieee80211_hw *hw)
 
 
 static void
-ath5k_sw_scan_complete(struct ieee80211_hw *hw)
+ath5k_sw_scan_complete(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
         struct ath5k_hw *ah = hw->priv;
         ath5k_hw_set_ledstate(ah, ah->assoc ?
diff --git a/drivers/net/wireless/ath/ath9k/channel.c b/drivers/net/wireless/ath/ath9k/channel.c
index 794d52016437..206665059d66 100644
--- a/drivers/net/wireless/ath/ath9k/channel.c
+++ b/drivers/net/wireless/ath/ath9k/channel.c
@@ -963,7 +963,7 @@ static void ath_scan_send_probe(struct ath_softc *sc,
         struct ieee80211_tx_info *info;
         int band = sc->offchannel.chan.chandef.chan->band;
 
-        skb = ieee80211_probereq_get(sc->hw, vif,
+        skb = ieee80211_probereq_get(sc->hw, vif->addr,
                         ssid->ssid, ssid->ssid_len, req->ie_len);
         if (!skb)
                 return;
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index c7d12efaa86a..92d5a6c5a225 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -1691,7 +1691,9 @@ static int ath9k_htc_ampdu_action(struct ieee80211_hw *hw,
         return ret;
 }
 
-static void ath9k_htc_sw_scan_start(struct ieee80211_hw *hw)
+static void ath9k_htc_sw_scan_start(struct ieee80211_hw *hw,
+                                    struct ieee80211_vif *vif,
+                                    const u8 *mac_addr)
 {
         struct ath9k_htc_priv *priv = hw->priv;
         struct ath_common *common = ath9k_hw_common(priv->ah);
@@ -1705,7 +1707,8 @@ static void ath9k_htc_sw_scan_start(struct ieee80211_hw *hw)
         mutex_unlock(&priv->mutex);
 }
 
-static void ath9k_htc_sw_scan_complete(struct ieee80211_hw *hw)
+static void ath9k_htc_sw_scan_complete(struct ieee80211_hw *hw,
+                                       struct ieee80211_vif *vif)
 {
         struct ath9k_htc_priv *priv = hw->priv;
         struct ath_common *common = ath9k_hw_common(priv->ah);
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 5f16630f26ce..027ad715ffb2 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2180,14 +2180,17 @@ static int ath9k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
         return 0;
 }
 
-static void ath9k_sw_scan_start(struct ieee80211_hw *hw)
+static void ath9k_sw_scan_start(struct ieee80211_hw *hw,
+                                struct ieee80211_vif *vif,
+                                const u8 *mac_addr)
 {
         struct ath_softc *sc = hw->priv;
         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
         set_bit(ATH_OP_SCANNING, &common->op_flags);
 }
 
-static void ath9k_sw_scan_complete(struct ieee80211_hw *hw)
+static void ath9k_sw_scan_complete(struct ieee80211_hw *hw,
+                                   struct ieee80211_vif *vif)
 {
         struct ath_softc *sc = hw->priv;
         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c
index b71d2b33532d..267c35d1f699 100644
--- a/drivers/net/wireless/ath/wcn36xx/main.c
+++ b/drivers/net/wireless/ath/wcn36xx/main.c
@@ -494,7 +494,9 @@ out:
         return ret;
 }
 
-static void wcn36xx_sw_scan_start(struct ieee80211_hw *hw)
+static void wcn36xx_sw_scan_start(struct ieee80211_hw *hw,
+                                  struct ieee80211_vif *vif,
+                                  const u8 *mac_addr)
 {
         struct wcn36xx *wcn = hw->priv;
 
@@ -502,7 +504,8 @@ static void wcn36xx_sw_scan_start(struct ieee80211_hw *hw)
         wcn36xx_smd_start_scan(wcn);
 }
 
-static void wcn36xx_sw_scan_complete(struct ieee80211_hw *hw)
+static void wcn36xx_sw_scan_complete(struct ieee80211_hw *hw,
+                                     struct ieee80211_vif *vif)
 {
         struct wcn36xx *wcn = hw->priv;
 
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 5d4173ee55bc..47731cb0d815 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -5110,7 +5110,9 @@ static void b43_op_sta_notify(struct ieee80211_hw *hw,
         B43_WARN_ON(!vif || wl->vif != vif);
 }
 
-static void b43_op_sw_scan_start_notifier(struct ieee80211_hw *hw)
+static void b43_op_sw_scan_start_notifier(struct ieee80211_hw *hw,
+                                          struct ieee80211_vif *vif,
+                                          const u8 *mac_addr)
 {
         struct b43_wl *wl = hw_to_b43_wl(hw);
         struct b43_wldev *dev;
@@ -5124,7 +5126,8 @@ static void b43_op_sw_scan_start_notifier(struct ieee80211_hw *hw)
         mutex_unlock(&wl->mutex);
 }
 
-static void b43_op_sw_scan_complete_notifier(struct ieee80211_hw *hw)
+static void b43_op_sw_scan_complete_notifier(struct ieee80211_hw *hw,
+                                             struct ieee80211_vif *vif)
 {
         struct b43_wl *wl = hw_to_b43_wl(hw);
         struct b43_wldev *dev;
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
index 43c71bfaa474..f95b52442281 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
@@ -764,7 +764,9 @@ brcms_ops_configure_filter(struct ieee80211_hw *hw,
         return;
 }
 
-static void brcms_ops_sw_scan_start(struct ieee80211_hw *hw)
+static void brcms_ops_sw_scan_start(struct ieee80211_hw *hw,
+                                    struct ieee80211_vif *vif,
+                                    const u8 *mac_addr)
 {
         struct brcms_info *wl = hw->priv;
         spin_lock_bh(&wl->lock);
@@ -773,7 +775,8 @@ static void brcms_ops_sw_scan_start(struct ieee80211_hw *hw)
         return;
 }
 
-static void brcms_ops_sw_scan_complete(struct ieee80211_hw *hw)
+static void brcms_ops_sw_scan_complete(struct ieee80211_hw *hw,
+                                       struct ieee80211_vif *vif)
 {
         struct brcms_info *wl = hw->priv;
         spin_lock_bh(&wl->lock);
diff --git a/drivers/net/wireless/cw1200/scan.c b/drivers/net/wireless/cw1200/scan.c
index b2fb6c632092..f2e276faca70 100644
--- a/drivers/net/wireless/cw1200/scan.c
+++ b/drivers/net/wireless/cw1200/scan.c
@@ -78,7 +78,7 @@ int cw1200_hw_scan(struct ieee80211_hw *hw,
         if (req->n_ssids > WSM_SCAN_MAX_NUM_OF_SSIDS)
                 return -EINVAL;
 
-        frame.skb = ieee80211_probereq_get(hw, priv->vif, NULL, 0,
+        frame.skb = ieee80211_probereq_get(hw, priv->vif->addr, NULL, 0,
                 req->ie_len);
         if (!frame.skb)
                 return -ENOMEM;
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 58f11bb0896f..6daaad595ea4 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -1802,7 +1802,7 @@ static void hw_scan_work(struct work_struct *work)
                         struct sk_buff *probe;
 
                         probe = ieee80211_probereq_get(hwsim->hw,
-                                                       hwsim->hw_scan_vif,
+                                                       hwsim->hw_scan_vif->addr,
                                                        req->ssids[i].ssid,
                                                        req->ssids[i].ssid_len,
                                                        req->ie_len);
@@ -1866,7 +1866,9 @@ static void mac80211_hwsim_cancel_hw_scan(struct ieee80211_hw *hw,
         mutex_unlock(&hwsim->mutex);
 }
 
-static void mac80211_hwsim_sw_scan(struct ieee80211_hw *hw)
+static void mac80211_hwsim_sw_scan(struct ieee80211_hw *hw,
+                                   struct ieee80211_vif *vif,
+                                   const u8 *mac_addr)
 {
         struct mac80211_hwsim_data *hwsim = hw->priv;
 
@@ -1884,7 +1886,8 @@ out:
         mutex_unlock(&hwsim->mutex);
 }
 
-static void mac80211_hwsim_sw_scan_complete(struct ieee80211_hw *hw)
+static void mac80211_hwsim_sw_scan_complete(struct ieee80211_hw *hw,
+                                            struct ieee80211_vif *vif)
 {
         struct mac80211_hwsim_data *hwsim = hw->priv;
 
diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index ef1104476bd8..b8d1e04aa9b9 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -5548,7 +5548,9 @@ mwl8k_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
         return rc;
 }
 
-static void mwl8k_sw_scan_start(struct ieee80211_hw *hw)
+static void mwl8k_sw_scan_start(struct ieee80211_hw *hw,
+                                struct ieee80211_vif *vif,
+                                const u8 *mac_addr)
 {
         struct mwl8k_priv *priv = hw->priv;
         u8 tmp;
@@ -5565,7 +5567,8 @@ static void mwl8k_sw_scan_start(struct ieee80211_hw *hw)
         priv->sw_scan_start = true;
 }
 
-static void mwl8k_sw_scan_complete(struct ieee80211_hw *hw)
+static void mwl8k_sw_scan_complete(struct ieee80211_hw *hw,
+                                   struct ieee80211_vif *vif)
 {
         struct mwl8k_priv *priv = hw->priv;
         u8 tmp;
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index d13f25cd70d5..1ff81afb672c 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -1437,8 +1437,11 @@ int rt2x00mac_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
                       struct ieee80211_sta *sta);
 int rt2x00mac_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
                          struct ieee80211_sta *sta);
-void rt2x00mac_sw_scan_start(struct ieee80211_hw *hw);
-void rt2x00mac_sw_scan_complete(struct ieee80211_hw *hw);
+void rt2x00mac_sw_scan_start(struct ieee80211_hw *hw,
+                             struct ieee80211_vif *vif,
+                             const u8 *mac_addr);
+void rt2x00mac_sw_scan_complete(struct ieee80211_hw *hw,
+                                struct ieee80211_vif *vif);
 int rt2x00mac_get_stats(struct ieee80211_hw *hw,
                         struct ieee80211_low_level_stats *stats);
 void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index ad6e5a8d1e10..cb40245a0695 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -568,7 +568,9 @@ int rt2x00mac_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 }
 EXPORT_SYMBOL_GPL(rt2x00mac_sta_remove);
 
-void rt2x00mac_sw_scan_start(struct ieee80211_hw *hw)
+void rt2x00mac_sw_scan_start(struct ieee80211_hw *hw,
+                             struct ieee80211_vif *vif,
+                             const u8 *mac_addr)
 {
         struct rt2x00_dev *rt2x00dev = hw->priv;
         set_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags);
@@ -576,7 +578,8 @@ void rt2x00mac_sw_scan_start(struct ieee80211_hw *hw)
 }
 EXPORT_SYMBOL_GPL(rt2x00mac_sw_scan_start);
 
-void rt2x00mac_sw_scan_complete(struct ieee80211_hw *hw)
+void rt2x00mac_sw_scan_complete(struct ieee80211_hw *hw,
+                                struct ieee80211_vif *vif)
 {
         struct rt2x00_dev *rt2x00dev = hw->priv;
         clear_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags);
diff --git a/drivers/net/wireless/rtlwifi/core.c b/drivers/net/wireless/rtlwifi/core.c
index f6179bc06086..884d90526f9e 100644
--- a/drivers/net/wireless/rtlwifi/core.c
+++ b/drivers/net/wireless/rtlwifi/core.c
@@ -1361,7 +1361,9 @@ static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
         return 0;
 }
 
-static void rtl_op_sw_scan_start(struct ieee80211_hw *hw)
+static void rtl_op_sw_scan_start(struct ieee80211_hw *hw,
+                                 struct ieee80211_vif *vif,
+                                 const u8 *mac_addr)
 {
         struct rtl_priv *rtlpriv = rtl_priv(hw);
         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
@@ -1396,7 +1398,8 @@ static void rtl_op_sw_scan_start(struct ieee80211_hw *hw)
         rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0);
 }
 
-static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw)
+static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw,
+                                    struct ieee80211_vif *vif)
 {
         struct rtl_priv *rtlpriv = rtl_priv(hw);
         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
diff --git a/drivers/net/wireless/ti/wl1251/main.c b/drivers/net/wireless/ti/wl1251/main.c
index 38234851457e..0b30a7b4d663 100644
--- a/drivers/net/wireless/ti/wl1251/main.c
+++ b/drivers/net/wireless/ti/wl1251/main.c
@@ -1029,7 +1029,7 @@ static int wl1251_op_hw_scan(struct ieee80211_hw *hw,
                         goto out_sleep;
         }
 
-        skb = ieee80211_probereq_get(wl->hw, wl->vif, ssid, ssid_len,
+        skb = ieee80211_probereq_get(wl->hw, wl->vif->addr, ssid, ssid_len,
                                      req->ie_len);
         if (!skb) {
                 ret = -ENOMEM;
diff --git a/drivers/net/wireless/ti/wlcore/cmd.c b/drivers/net/wireless/ti/wlcore/cmd.c
index dd2e448c3e2b..b82661962d33 100644
--- a/drivers/net/wireless/ti/wlcore/cmd.c
+++ b/drivers/net/wireless/ti/wlcore/cmd.c
@@ -1145,7 +1145,7 @@ int wl12xx_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif,
 
         wl1271_debug(DEBUG_SCAN, "build probe request band %d", band);
 
-        skb = ieee80211_probereq_get(wl->hw, vif, ssid, ssid_len,
+        skb = ieee80211_probereq_get(wl->hw, vif->addr, ssid, ssid_len,
                                      ie0_len + ie1_len);
         if (!skb) {
                 ret = -ENOMEM;
diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
index 2fbff907ce8a..dbc311c3dc37 100644
--- a/drivers/staging/vt6656/main_usb.c
+++ b/drivers/staging/vt6656/main_usb.c
@@ -856,7 +856,9 @@ static int vnt_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
         return 0;
 }
 
-static void vnt_sw_scan_start(struct ieee80211_hw *hw)
+static void vnt_sw_scan_start(struct ieee80211_hw *hw,
+                              struct ieee80211_vif *vif,
+                              const u8 *addr)
 {
         struct vnt_private *priv = hw->priv;
 
@@ -865,7 +867,8 @@ static void vnt_sw_scan_start(struct ieee80211_hw *hw)
         vnt_update_pre_ed_threshold(priv, true);
 }
 
-static void vnt_sw_scan_complete(struct ieee80211_hw *hw)
+static void vnt_sw_scan_complete(struct ieee80211_hw *hw,
+                                 struct ieee80211_vif *vif)
 {
         struct vnt_private *priv = hw->priv;