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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>
This commit is contained in:
parent
6ea0a69ca2
commit
a344d6778a
@ -547,7 +547,9 @@ ath5k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
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static void
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ath5k_sw_scan_start(struct ieee80211_hw *hw)
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ath5k_sw_scan_start(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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const u8 *mac_addr)
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{
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struct ath5k_hw *ah = hw->priv;
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if (!ah->assoc)
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@ -556,7 +558,7 @@ ath5k_sw_scan_start(struct ieee80211_hw *hw)
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static void
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ath5k_sw_scan_complete(struct ieee80211_hw *hw)
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ath5k_sw_scan_complete(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
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{
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struct ath5k_hw *ah = hw->priv;
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ath5k_hw_set_ledstate(ah, ah->assoc ?
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@ -963,7 +963,7 @@ static void ath_scan_send_probe(struct ath_softc *sc,
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struct ieee80211_tx_info *info;
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int band = sc->offchannel.chan.chandef.chan->band;
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skb = ieee80211_probereq_get(sc->hw, vif,
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skb = ieee80211_probereq_get(sc->hw, vif->addr,
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ssid->ssid, ssid->ssid_len, req->ie_len);
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if (!skb)
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return;
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@ -1691,7 +1691,9 @@ static int ath9k_htc_ampdu_action(struct ieee80211_hw *hw,
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return ret;
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}
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static void ath9k_htc_sw_scan_start(struct ieee80211_hw *hw)
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static void ath9k_htc_sw_scan_start(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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const u8 *mac_addr)
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{
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struct ath9k_htc_priv *priv = hw->priv;
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struct ath_common *common = ath9k_hw_common(priv->ah);
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@ -1705,7 +1707,8 @@ static void ath9k_htc_sw_scan_start(struct ieee80211_hw *hw)
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mutex_unlock(&priv->mutex);
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}
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static void ath9k_htc_sw_scan_complete(struct ieee80211_hw *hw)
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static void ath9k_htc_sw_scan_complete(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif)
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{
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struct ath9k_htc_priv *priv = hw->priv;
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struct ath_common *common = ath9k_hw_common(priv->ah);
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@ -2180,14 +2180,17 @@ static int ath9k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
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return 0;
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}
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static void ath9k_sw_scan_start(struct ieee80211_hw *hw)
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static void ath9k_sw_scan_start(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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const u8 *mac_addr)
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{
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struct ath_softc *sc = hw->priv;
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struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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set_bit(ATH_OP_SCANNING, &common->op_flags);
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}
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static void ath9k_sw_scan_complete(struct ieee80211_hw *hw)
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static void ath9k_sw_scan_complete(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif)
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{
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struct ath_softc *sc = hw->priv;
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struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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@ -494,7 +494,9 @@ out:
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return ret;
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}
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static void wcn36xx_sw_scan_start(struct ieee80211_hw *hw)
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static void wcn36xx_sw_scan_start(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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const u8 *mac_addr)
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{
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struct wcn36xx *wcn = hw->priv;
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@ -502,7 +504,8 @@ static void wcn36xx_sw_scan_start(struct ieee80211_hw *hw)
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wcn36xx_smd_start_scan(wcn);
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}
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static void wcn36xx_sw_scan_complete(struct ieee80211_hw *hw)
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static void wcn36xx_sw_scan_complete(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif)
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{
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struct wcn36xx *wcn = hw->priv;
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@ -5110,7 +5110,9 @@ static void b43_op_sta_notify(struct ieee80211_hw *hw,
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B43_WARN_ON(!vif || wl->vif != vif);
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}
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static void b43_op_sw_scan_start_notifier(struct ieee80211_hw *hw)
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static void b43_op_sw_scan_start_notifier(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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const u8 *mac_addr)
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{
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struct b43_wl *wl = hw_to_b43_wl(hw);
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struct b43_wldev *dev;
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@ -5124,7 +5126,8 @@ static void b43_op_sw_scan_start_notifier(struct ieee80211_hw *hw)
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mutex_unlock(&wl->mutex);
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}
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static void b43_op_sw_scan_complete_notifier(struct ieee80211_hw *hw)
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static void b43_op_sw_scan_complete_notifier(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif)
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{
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struct b43_wl *wl = hw_to_b43_wl(hw);
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struct b43_wldev *dev;
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@ -764,7 +764,9 @@ brcms_ops_configure_filter(struct ieee80211_hw *hw,
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return;
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}
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static void brcms_ops_sw_scan_start(struct ieee80211_hw *hw)
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static void brcms_ops_sw_scan_start(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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const u8 *mac_addr)
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{
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struct brcms_info *wl = hw->priv;
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spin_lock_bh(&wl->lock);
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@ -773,7 +775,8 @@ static void brcms_ops_sw_scan_start(struct ieee80211_hw *hw)
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return;
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}
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static void brcms_ops_sw_scan_complete(struct ieee80211_hw *hw)
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static void brcms_ops_sw_scan_complete(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif)
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{
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struct brcms_info *wl = hw->priv;
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spin_lock_bh(&wl->lock);
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@ -78,7 +78,7 @@ int cw1200_hw_scan(struct ieee80211_hw *hw,
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if (req->n_ssids > WSM_SCAN_MAX_NUM_OF_SSIDS)
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return -EINVAL;
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frame.skb = ieee80211_probereq_get(hw, priv->vif, NULL, 0,
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frame.skb = ieee80211_probereq_get(hw, priv->vif->addr, NULL, 0,
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req->ie_len);
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if (!frame.skb)
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return -ENOMEM;
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@ -1802,7 +1802,7 @@ static void hw_scan_work(struct work_struct *work)
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struct sk_buff *probe;
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probe = ieee80211_probereq_get(hwsim->hw,
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hwsim->hw_scan_vif,
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hwsim->hw_scan_vif->addr,
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req->ssids[i].ssid,
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req->ssids[i].ssid_len,
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req->ie_len);
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@ -1866,7 +1866,9 @@ static void mac80211_hwsim_cancel_hw_scan(struct ieee80211_hw *hw,
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mutex_unlock(&hwsim->mutex);
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}
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static void mac80211_hwsim_sw_scan(struct ieee80211_hw *hw)
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static void mac80211_hwsim_sw_scan(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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const u8 *mac_addr)
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{
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struct mac80211_hwsim_data *hwsim = hw->priv;
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@ -1884,7 +1886,8 @@ out:
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mutex_unlock(&hwsim->mutex);
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}
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static void mac80211_hwsim_sw_scan_complete(struct ieee80211_hw *hw)
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static void mac80211_hwsim_sw_scan_complete(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif)
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{
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struct mac80211_hwsim_data *hwsim = hw->priv;
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@ -5548,7 +5548,9 @@ mwl8k_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
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return rc;
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}
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static void mwl8k_sw_scan_start(struct ieee80211_hw *hw)
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static void mwl8k_sw_scan_start(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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const u8 *mac_addr)
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{
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struct mwl8k_priv *priv = hw->priv;
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u8 tmp;
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@ -5565,7 +5567,8 @@ static void mwl8k_sw_scan_start(struct ieee80211_hw *hw)
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priv->sw_scan_start = true;
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}
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static void mwl8k_sw_scan_complete(struct ieee80211_hw *hw)
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static void mwl8k_sw_scan_complete(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif)
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{
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struct mwl8k_priv *priv = hw->priv;
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u8 tmp;
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@ -1437,8 +1437,11 @@ int rt2x00mac_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
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struct ieee80211_sta *sta);
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int rt2x00mac_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
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struct ieee80211_sta *sta);
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void rt2x00mac_sw_scan_start(struct ieee80211_hw *hw);
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void rt2x00mac_sw_scan_complete(struct ieee80211_hw *hw);
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void rt2x00mac_sw_scan_start(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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const u8 *mac_addr);
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void rt2x00mac_sw_scan_complete(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif);
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int rt2x00mac_get_stats(struct ieee80211_hw *hw,
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struct ieee80211_low_level_stats *stats);
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void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
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@ -568,7 +568,9 @@ int rt2x00mac_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
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}
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EXPORT_SYMBOL_GPL(rt2x00mac_sta_remove);
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void rt2x00mac_sw_scan_start(struct ieee80211_hw *hw)
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void rt2x00mac_sw_scan_start(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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const u8 *mac_addr)
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{
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struct rt2x00_dev *rt2x00dev = hw->priv;
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set_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags);
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@ -576,7 +578,8 @@ void rt2x00mac_sw_scan_start(struct ieee80211_hw *hw)
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}
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EXPORT_SYMBOL_GPL(rt2x00mac_sw_scan_start);
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void rt2x00mac_sw_scan_complete(struct ieee80211_hw *hw)
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void rt2x00mac_sw_scan_complete(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif)
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{
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struct rt2x00_dev *rt2x00dev = hw->priv;
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clear_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags);
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@ -1361,7 +1361,9 @@ static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
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return 0;
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}
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static void rtl_op_sw_scan_start(struct ieee80211_hw *hw)
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static void rtl_op_sw_scan_start(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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const u8 *mac_addr)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
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@ -1396,7 +1398,8 @@ static void rtl_op_sw_scan_start(struct ieee80211_hw *hw)
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rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0);
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}
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static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw)
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static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
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@ -1029,7 +1029,7 @@ static int wl1251_op_hw_scan(struct ieee80211_hw *hw,
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goto out_sleep;
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}
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skb = ieee80211_probereq_get(wl->hw, wl->vif, ssid, ssid_len,
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skb = ieee80211_probereq_get(wl->hw, wl->vif->addr, ssid, ssid_len,
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req->ie_len);
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if (!skb) {
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ret = -ENOMEM;
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@ -1145,7 +1145,7 @@ int wl12xx_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif,
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wl1271_debug(DEBUG_SCAN, "build probe request band %d", band);
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skb = ieee80211_probereq_get(wl->hw, vif, ssid, ssid_len,
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skb = ieee80211_probereq_get(wl->hw, vif->addr, ssid, ssid_len,
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ie0_len + ie1_len);
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if (!skb) {
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ret = -ENOMEM;
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@ -856,7 +856,9 @@ static int vnt_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
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return 0;
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}
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static void vnt_sw_scan_start(struct ieee80211_hw *hw)
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static void vnt_sw_scan_start(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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const u8 *addr)
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{
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struct vnt_private *priv = hw->priv;
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@ -865,7 +867,8 @@ static void vnt_sw_scan_start(struct ieee80211_hw *hw)
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vnt_update_pre_ed_threshold(priv, true);
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}
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static void vnt_sw_scan_complete(struct ieee80211_hw *hw)
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static void vnt_sw_scan_complete(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif)
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{
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struct vnt_private *priv = hw->priv;
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@ -2622,7 +2622,9 @@ enum ieee80211_reconfig_type {
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*
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* @sw_scan_start: Notifier function that is called just before a software scan
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* is started. Can be NULL, if the driver doesn't need this notification.
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* The callback can sleep.
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* The mac_addr parameter allows supporting NL80211_SCAN_FLAG_RANDOM_ADDR,
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* the driver may set the NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR flag if it
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* can use this parameter. The callback can sleep.
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*
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* @sw_scan_complete: Notifier function that is called just after a
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* software scan finished. Can be NULL, if the driver doesn't need
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@ -3016,8 +3018,11 @@ struct ieee80211_ops {
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struct ieee80211_scan_ies *ies);
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int (*sched_scan_stop)(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif);
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void (*sw_scan_start)(struct ieee80211_hw *hw);
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void (*sw_scan_complete)(struct ieee80211_hw *hw);
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void (*sw_scan_start)(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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const u8 *mac_addr);
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void (*sw_scan_complete)(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif);
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int (*get_stats)(struct ieee80211_hw *hw,
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struct ieee80211_low_level_stats *stats);
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void (*get_tkip_seq)(struct ieee80211_hw *hw, u8 hw_key_idx,
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@ -3820,7 +3825,7 @@ struct sk_buff *ieee80211_nullfunc_get(struct ieee80211_hw *hw,
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/**
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* ieee80211_probereq_get - retrieve a Probe Request template
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* @hw: pointer obtained from ieee80211_alloc_hw().
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* @vif: &struct ieee80211_vif pointer from the add_interface callback.
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* @src_addr: source MAC address
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* @ssid: SSID buffer
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* @ssid_len: length of SSID
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* @tailroom: tailroom to reserve at end of SKB for IEs
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@ -3831,7 +3836,7 @@ struct sk_buff *ieee80211_nullfunc_get(struct ieee80211_hw *hw,
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* Return: The Probe Request template. %NULL on error.
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*/
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struct sk_buff *ieee80211_probereq_get(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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const u8 *src_addr,
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const u8 *ssid, size_t ssid_len,
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size_t tailroom);
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@ -380,23 +380,26 @@ static inline int drv_sched_scan_stop(struct ieee80211_local *local,
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return ret;
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}
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static inline void drv_sw_scan_start(struct ieee80211_local *local)
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static inline void drv_sw_scan_start(struct ieee80211_local *local,
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struct ieee80211_sub_if_data *sdata,
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const u8 *mac_addr)
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{
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might_sleep();
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trace_drv_sw_scan_start(local);
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trace_drv_sw_scan_start(local, sdata, mac_addr);
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if (local->ops->sw_scan_start)
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local->ops->sw_scan_start(&local->hw);
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local->ops->sw_scan_start(&local->hw, &sdata->vif, mac_addr);
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trace_drv_return_void(local);
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}
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static inline void drv_sw_scan_complete(struct ieee80211_local *local)
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static inline void drv_sw_scan_complete(struct ieee80211_local *local,
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struct ieee80211_sub_if_data *sdata)
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{
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might_sleep();
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trace_drv_sw_scan_complete(local);
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trace_drv_sw_scan_complete(local, sdata);
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if (local->ops->sw_scan_complete)
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local->ops->sw_scan_complete(&local->hw);
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local->ops->sw_scan_complete(&local->hw, &sdata->vif);
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trace_drv_return_void(local);
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}
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@ -1249,6 +1249,7 @@ struct ieee80211_local {
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struct work_struct sched_scan_stopped_work;
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struct ieee80211_sub_if_data __rcu *sched_scan_sdata;
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struct cfg80211_sched_scan_request __rcu *sched_scan_req;
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u8 scan_addr[ETH_ALEN];
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unsigned long leave_oper_channel_time;
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enum mac80211_scan_state next_scan_state;
|
||||
@ -1901,12 +1902,14 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
|
||||
u8 bands_used, u32 *rate_masks,
|
||||
struct cfg80211_chan_def *chandef);
|
||||
struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
|
||||
u8 *dst, u32 ratemask,
|
||||
const u8 *src, const u8 *dst,
|
||||
u32 ratemask,
|
||||
struct ieee80211_channel *chan,
|
||||
const u8 *ssid, size_t ssid_len,
|
||||
const u8 *ie, size_t ie_len,
|
||||
bool directed);
|
||||
void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
|
||||
void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata,
|
||||
const u8 *src, const u8 *dst,
|
||||
const u8 *ssid, size_t ssid_len,
|
||||
const u8 *ie, size_t ie_len,
|
||||
u32 ratemask, bool directed, u32 tx_flags,
|
||||
|
@ -2225,7 +2225,8 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata)
|
||||
else
|
||||
ssid_len = ssid[1];
|
||||
|
||||
ieee80211_send_probe_req(sdata, dst, ssid + 2, ssid_len, NULL,
|
||||
ieee80211_send_probe_req(sdata, sdata->vif.addr, NULL,
|
||||
ssid + 2, ssid_len, NULL,
|
||||
0, (u32) -1, true, 0,
|
||||
ifmgd->associated->channel, false);
|
||||
rcu_read_unlock();
|
||||
@ -2328,7 +2329,7 @@ struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw,
|
||||
else
|
||||
ssid_len = ssid[1];
|
||||
|
||||
skb = ieee80211_build_probe_req(sdata, cbss->bssid,
|
||||
skb = ieee80211_build_probe_req(sdata, sdata->vif.addr, cbss->bssid,
|
||||
(u32) -1, cbss->channel,
|
||||
ssid + 2, ssid_len,
|
||||
NULL, 0, true);
|
||||
@ -3649,7 +3650,8 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata)
|
||||
* Direct probe is sent to broadcast address as some APs
|
||||
* will not answer to direct packet in unassociated state.
|
||||
*/
|
||||
ieee80211_send_probe_req(sdata, NULL, ssidie + 2, ssidie[1],
|
||||
ieee80211_send_probe_req(sdata, sdata->vif.addr, NULL,
|
||||
ssidie + 2, ssidie[1],
|
||||
NULL, 0, (u32) -1, true, 0,
|
||||
auth_data->bss->channel, false);
|
||||
rcu_read_unlock();
|
||||
|
@ -184,9 +184,21 @@ void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb)
|
||||
return;
|
||||
|
||||
if (ieee80211_is_probe_resp(mgmt->frame_control)) {
|
||||
/* ignore ProbeResp to foreign address */
|
||||
if ((!sdata1 || !ether_addr_equal(mgmt->da, sdata1->vif.addr)) &&
|
||||
(!sdata2 || !ether_addr_equal(mgmt->da, sdata2->vif.addr)))
|
||||
struct cfg80211_scan_request *scan_req;
|
||||
struct cfg80211_sched_scan_request *sched_scan_req;
|
||||
|
||||
scan_req = rcu_dereference(local->scan_req);
|
||||
sched_scan_req = rcu_dereference(local->sched_scan_req);
|
||||
|
||||
/* ignore ProbeResp to foreign address unless scanning
|
||||
* with randomised address
|
||||
*/
|
||||
if (!(sdata1 &&
|
||||
(ether_addr_equal(mgmt->da, sdata1->vif.addr) ||
|
||||
scan_req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR)) &&
|
||||
!(sdata2 &&
|
||||
(ether_addr_equal(mgmt->da, sdata2->vif.addr) ||
|
||||
sched_scan_req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR)))
|
||||
return;
|
||||
|
||||
elements = mgmt->u.probe_resp.variable;
|
||||
@ -284,6 +296,9 @@ static bool ieee80211_prep_hw_scan(struct ieee80211_local *local)
|
||||
bands_used, req->rates, &chandef);
|
||||
local->hw_scan_req->req.ie_len = ielen;
|
||||
local->hw_scan_req->req.no_cck = req->no_cck;
|
||||
ether_addr_copy(local->hw_scan_req->req.mac_addr, req->mac_addr);
|
||||
ether_addr_copy(local->hw_scan_req->req.mac_addr_mask,
|
||||
req->mac_addr_mask);
|
||||
|
||||
return true;
|
||||
}
|
||||
@ -294,6 +309,7 @@ static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
|
||||
bool hw_scan = local->ops->hw_scan;
|
||||
bool was_scanning = local->scanning;
|
||||
struct cfg80211_scan_request *scan_req;
|
||||
struct ieee80211_sub_if_data *scan_sdata;
|
||||
|
||||
lockdep_assert_held(&local->mtx);
|
||||
|
||||
@ -332,6 +348,9 @@ static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
|
||||
if (scan_req != local->int_scan_req)
|
||||
cfg80211_scan_done(scan_req, aborted);
|
||||
RCU_INIT_POINTER(local->scan_req, NULL);
|
||||
|
||||
scan_sdata = rcu_dereference_protected(local->scan_sdata,
|
||||
lockdep_is_held(&local->mtx));
|
||||
RCU_INIT_POINTER(local->scan_sdata, NULL);
|
||||
|
||||
local->scanning = 0;
|
||||
@ -342,7 +361,7 @@ static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
|
||||
|
||||
if (!hw_scan) {
|
||||
ieee80211_configure_filter(local);
|
||||
drv_sw_scan_complete(local);
|
||||
drv_sw_scan_complete(local, scan_sdata);
|
||||
ieee80211_offchannel_return(local);
|
||||
}
|
||||
|
||||
@ -368,7 +387,8 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
|
||||
}
|
||||
EXPORT_SYMBOL(ieee80211_scan_completed);
|
||||
|
||||
static int ieee80211_start_sw_scan(struct ieee80211_local *local)
|
||||
static int ieee80211_start_sw_scan(struct ieee80211_local *local,
|
||||
struct ieee80211_sub_if_data *sdata)
|
||||
{
|
||||
/* Software scan is not supported in multi-channel cases */
|
||||
if (local->use_chanctx)
|
||||
@ -387,7 +407,7 @@ static int ieee80211_start_sw_scan(struct ieee80211_local *local)
|
||||
* nullfunc frames and probe requests will be dropped in
|
||||
* ieee80211_tx_h_check_assoc().
|
||||
*/
|
||||
drv_sw_scan_start(local);
|
||||
drv_sw_scan_start(local, sdata, local->scan_addr);
|
||||
|
||||
local->leave_oper_channel_time = jiffies;
|
||||
local->next_scan_state = SCAN_DECISION;
|
||||
@ -463,7 +483,7 @@ static void ieee80211_scan_state_send_probe(struct ieee80211_local *local,
|
||||
|
||||
for (i = 0; i < scan_req->n_ssids; i++)
|
||||
ieee80211_send_probe_req(
|
||||
sdata, NULL,
|
||||
sdata, local->scan_addr, NULL,
|
||||
scan_req->ssids[i].ssid, scan_req->ssids[i].ssid_len,
|
||||
scan_req->ie, scan_req->ie_len,
|
||||
scan_req->rates[band], false,
|
||||
@ -543,6 +563,13 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
|
||||
rcu_assign_pointer(local->scan_req, req);
|
||||
rcu_assign_pointer(local->scan_sdata, sdata);
|
||||
|
||||
if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR)
|
||||
get_random_mask_addr(local->scan_addr,
|
||||
req->mac_addr,
|
||||
req->mac_addr_mask);
|
||||
else
|
||||
memcpy(local->scan_addr, sdata->vif.addr, ETH_ALEN);
|
||||
|
||||
if (local->ops->hw_scan) {
|
||||
__set_bit(SCAN_HW_SCANNING, &local->scanning);
|
||||
} else if ((req->n_channels == 1) &&
|
||||
@ -559,7 +586,7 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
|
||||
|
||||
/* Notify driver scan is starting, keep order of operations
|
||||
* same as normal software scan, in case that matters. */
|
||||
drv_sw_scan_start(local);
|
||||
drv_sw_scan_start(local, sdata, local->scan_addr);
|
||||
|
||||
ieee80211_configure_filter(local); /* accept probe-responses */
|
||||
|
||||
@ -589,8 +616,9 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
|
||||
if (local->ops->hw_scan) {
|
||||
WARN_ON(!ieee80211_prep_hw_scan(local));
|
||||
rc = drv_hw_scan(local, sdata, local->hw_scan_req);
|
||||
} else
|
||||
rc = ieee80211_start_sw_scan(local);
|
||||
} else {
|
||||
rc = ieee80211_start_sw_scan(local, sdata);
|
||||
}
|
||||
|
||||
if (rc) {
|
||||
kfree(local->hw_scan_req);
|
||||
|
@ -596,14 +596,33 @@ DEFINE_EVENT(local_sdata_evt, drv_sched_scan_stop,
|
||||
TP_ARGS(local, sdata)
|
||||
);
|
||||
|
||||
DEFINE_EVENT(local_only_evt, drv_sw_scan_start,
|
||||
TP_PROTO(struct ieee80211_local *local),
|
||||
TP_ARGS(local)
|
||||
TRACE_EVENT(drv_sw_scan_start,
|
||||
TP_PROTO(struct ieee80211_local *local,
|
||||
struct ieee80211_sub_if_data *sdata,
|
||||
const u8 *mac_addr),
|
||||
|
||||
TP_ARGS(local, sdata, mac_addr),
|
||||
|
||||
TP_STRUCT__entry(
|
||||
LOCAL_ENTRY
|
||||
VIF_ENTRY
|
||||
__array(char, mac_addr, ETH_ALEN)
|
||||
),
|
||||
|
||||
TP_fast_assign(
|
||||
LOCAL_ASSIGN;
|
||||
VIF_ASSIGN;
|
||||
memcpy(__entry->mac_addr, mac_addr, ETH_ALEN);
|
||||
),
|
||||
|
||||
TP_printk(LOCAL_PR_FMT ", " VIF_PR_FMT ", addr:%pM",
|
||||
LOCAL_PR_ARG, VIF_PR_ARG, __entry->mac_addr)
|
||||
);
|
||||
|
||||
DEFINE_EVENT(local_only_evt, drv_sw_scan_complete,
|
||||
TP_PROTO(struct ieee80211_local *local),
|
||||
TP_ARGS(local)
|
||||
DEFINE_EVENT(local_sdata_evt, drv_sw_scan_complete,
|
||||
TP_PROTO(struct ieee80211_local *local,
|
||||
struct ieee80211_sub_if_data *sdata),
|
||||
TP_ARGS(local, sdata)
|
||||
);
|
||||
|
||||
TRACE_EVENT(drv_get_stats,
|
||||
|
@ -2961,19 +2961,16 @@ struct sk_buff *ieee80211_nullfunc_get(struct ieee80211_hw *hw,
|
||||
EXPORT_SYMBOL(ieee80211_nullfunc_get);
|
||||
|
||||
struct sk_buff *ieee80211_probereq_get(struct ieee80211_hw *hw,
|
||||
struct ieee80211_vif *vif,
|
||||
const u8 *src_addr,
|
||||
const u8 *ssid, size_t ssid_len,
|
||||
size_t tailroom)
|
||||
{
|
||||
struct ieee80211_sub_if_data *sdata;
|
||||
struct ieee80211_local *local;
|
||||
struct ieee80211_local *local = hw_to_local(hw);
|
||||
struct ieee80211_hdr_3addr *hdr;
|
||||
struct sk_buff *skb;
|
||||
size_t ie_ssid_len;
|
||||
u8 *pos;
|
||||
|
||||
sdata = vif_to_sdata(vif);
|
||||
local = sdata->local;
|
||||
ie_ssid_len = 2 + ssid_len;
|
||||
|
||||
skb = dev_alloc_skb(local->hw.extra_tx_headroom + sizeof(*hdr) +
|
||||
@ -2988,7 +2985,7 @@ struct sk_buff *ieee80211_probereq_get(struct ieee80211_hw *hw,
|
||||
hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
|
||||
IEEE80211_STYPE_PROBE_REQ);
|
||||
eth_broadcast_addr(hdr->addr1);
|
||||
memcpy(hdr->addr2, vif->addr, ETH_ALEN);
|
||||
memcpy(hdr->addr2, src_addr, ETH_ALEN);
|
||||
eth_broadcast_addr(hdr->addr3);
|
||||
|
||||
pos = skb_put(skb, ie_ssid_len);
|
||||
|
@ -1523,7 +1523,8 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
|
||||
};
|
||||
|
||||
struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
|
||||
u8 *dst, u32 ratemask,
|
||||
const u8 *src, const u8 *dst,
|
||||
u32 ratemask,
|
||||
struct ieee80211_channel *chan,
|
||||
const u8 *ssid, size_t ssid_len,
|
||||
const u8 *ie, size_t ie_len,
|
||||
@ -1548,8 +1549,8 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
|
||||
else
|
||||
chandef.chan = chan;
|
||||
|
||||
skb = ieee80211_probereq_get(&local->hw, &sdata->vif,
|
||||
ssid, ssid_len, 100 + ie_len);
|
||||
skb = ieee80211_probereq_get(&local->hw, src, ssid, ssid_len,
|
||||
100 + ie_len);
|
||||
if (!skb)
|
||||
return NULL;
|
||||
|
||||
@ -1571,7 +1572,8 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
|
||||
return skb;
|
||||
}
|
||||
|
||||
void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
|
||||
void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata,
|
||||
const u8 *src, const u8 *dst,
|
||||
const u8 *ssid, size_t ssid_len,
|
||||
const u8 *ie, size_t ie_len,
|
||||
u32 ratemask, bool directed, u32 tx_flags,
|
||||
@ -1579,7 +1581,7 @@ void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
|
||||
{
|
||||
struct sk_buff *skb;
|
||||
|
||||
skb = ieee80211_build_probe_req(sdata, dst, ratemask, channel,
|
||||
skb = ieee80211_build_probe_req(sdata, src, dst, ratemask, channel,
|
||||
ssid, ssid_len,
|
||||
ie, ie_len, directed);
|
||||
if (skb) {
|
||||
|
Loading…
Reference in New Issue
Block a user