nl80211: move scan API to wdev
The new P2P Device will have to be able to scan for P2P search, so move scanning to use struct wireless_dev instead of struct net_device. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
parent
1c90f9d404
commit
fd0142844e
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@ -966,11 +966,11 @@ static int ath6kl_set_probed_ssids(struct ath6kl *ar,
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return 0;
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}
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static int ath6kl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
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static int ath6kl_cfg80211_scan(struct wiphy *wiphy,
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struct cfg80211_scan_request *request)
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{
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struct ath6kl *ar = ath6kl_priv(ndev);
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struct ath6kl_vif *vif = netdev_priv(ndev);
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struct ath6kl_vif *vif = ath6kl_vif_from_wdev(request->wdev);
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struct ath6kl *ar = ath6kl_priv(vif->ndev);
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s8 n_channels = 0;
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u16 *channels = NULL;
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int ret = 0;
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@ -691,9 +691,10 @@ scan_out:
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}
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static s32
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brcmf_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
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brcmf_cfg80211_scan(struct wiphy *wiphy,
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struct cfg80211_scan_request *request)
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{
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struct net_device *ndev = request->wdev->netdev;
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s32 err = 0;
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WL_TRACE("Enter\n");
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@ -353,9 +353,10 @@ static int iwm_cfg80211_change_iface(struct wiphy *wiphy,
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return 0;
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}
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static int iwm_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
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static int iwm_cfg80211_scan(struct wiphy *wiphy,
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struct cfg80211_scan_request *request)
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{
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struct net_device *ndev = request->wdev->netdev;
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struct iwm_priv *iwm = ndev_to_iwm(ndev);
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int ret;
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@ -805,7 +805,6 @@ void lbs_scan_done(struct lbs_private *priv)
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}
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static int lbs_cfg_scan(struct wiphy *wiphy,
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struct net_device *dev,
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struct cfg80211_scan_request *request)
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{
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struct lbs_private *priv = wiphy_priv(wiphy);
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@ -1376,9 +1376,10 @@ mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
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* it also informs the results.
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*/
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static int
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mwifiex_cfg80211_scan(struct wiphy *wiphy, struct net_device *dev,
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mwifiex_cfg80211_scan(struct wiphy *wiphy,
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struct cfg80211_scan_request *request)
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{
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struct net_device *dev = request->wdev->netdev;
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struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
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int i;
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struct ieee80211_channel *chan;
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@ -138,7 +138,7 @@ static int orinoco_change_vif(struct wiphy *wiphy, struct net_device *dev,
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return err;
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}
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static int orinoco_scan(struct wiphy *wiphy, struct net_device *dev,
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static int orinoco_scan(struct wiphy *wiphy,
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struct cfg80211_scan_request *request)
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{
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struct orinoco_private *priv = wiphy_priv(wiphy);
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@ -484,7 +484,7 @@ static int rndis_change_virtual_intf(struct wiphy *wiphy,
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enum nl80211_iftype type, u32 *flags,
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struct vif_params *params);
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static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
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static int rndis_scan(struct wiphy *wiphy,
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struct cfg80211_scan_request *request);
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static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed);
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@ -1941,9 +1941,10 @@ static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm)
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}
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#define SCAN_DELAY_JIFFIES (6 * HZ)
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static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
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static int rndis_scan(struct wiphy *wiphy,
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struct cfg80211_scan_request *request)
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{
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struct net_device *dev = request->wdev->netdev;
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struct usbnet *usbdev = netdev_priv(dev);
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struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
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int ret;
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@ -999,7 +999,7 @@ struct cfg80211_ssid {
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* @ie_len: length of ie in octets
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* @rates: bitmap of rates to advertise for each band
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* @wiphy: the wiphy this was for
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* @dev: the interface
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* @wdev: the wireless device to scan for
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* @aborted: (internal) scan request was notified as aborted
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* @no_cck: used to send probe requests at non CCK rate in 2GHz band
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*/
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@ -1012,9 +1012,10 @@ struct cfg80211_scan_request {
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u32 rates[IEEE80211_NUM_BANDS];
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struct wireless_dev *wdev;
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/* internal */
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struct wiphy *wiphy;
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struct net_device *dev;
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bool aborted;
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bool no_cck;
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@ -1700,7 +1701,7 @@ struct cfg80211_ops {
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struct ieee80211_channel *chan,
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enum nl80211_channel_type channel_type);
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int (*scan)(struct wiphy *wiphy, struct net_device *dev,
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int (*scan)(struct wiphy *wiphy,
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struct cfg80211_scan_request *request);
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int (*auth)(struct wiphy *wiphy, struct net_device *dev,
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@ -1763,10 +1763,11 @@ static int ieee80211_resume(struct wiphy *wiphy)
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#endif
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static int ieee80211_scan(struct wiphy *wiphy,
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struct net_device *dev,
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struct cfg80211_scan_request *req)
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{
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struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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struct ieee80211_sub_if_data *sdata;
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sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
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switch (ieee80211_vif_type_p2p(&sdata->vif)) {
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case NL80211_IFTYPE_STATION:
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@ -708,7 +708,7 @@ static void wdev_cleanup_work(struct work_struct *work)
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cfg80211_lock_rdev(rdev);
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if (WARN_ON(rdev->scan_req && rdev->scan_req->dev == wdev->netdev)) {
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if (WARN_ON(rdev->scan_req && rdev->scan_req->wdev == wdev)) {
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rdev->scan_req->aborted = true;
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___cfg80211_scan_done(rdev, true);
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}
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@ -4130,7 +4130,7 @@ static int validate_scan_freqs(struct nlattr *freqs)
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static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
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{
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struct cfg80211_registered_device *rdev = info->user_ptr[0];
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struct net_device *dev = info->user_ptr[1];
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struct wireless_dev *wdev = info->user_ptr[1];
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struct cfg80211_scan_request *request;
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struct nlattr *attr;
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struct wiphy *wiphy;
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@ -4290,15 +4290,16 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
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request->no_cck =
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nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
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request->dev = dev;
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request->wdev = wdev;
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request->wiphy = &rdev->wiphy;
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rdev->scan_req = request;
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err = rdev->ops->scan(&rdev->wiphy, dev, request);
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err = rdev->ops->scan(&rdev->wiphy, request);
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if (!err) {
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nl80211_send_scan_start(rdev, dev);
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dev_hold(dev);
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nl80211_send_scan_start(rdev, wdev);
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if (wdev->netdev)
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dev_hold(wdev->netdev);
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} else {
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out_free:
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rdev->scan_req = NULL;
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@ -7066,7 +7067,7 @@ static struct genl_ops nl80211_ops[] = {
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.doit = nl80211_trigger_scan,
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.policy = nl80211_policy,
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.flags = GENL_ADMIN_PERM,
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.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
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.internal_flags = NL80211_FLAG_NEED_WDEV_UP |
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NL80211_FLAG_NEED_RTNL,
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},
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{
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@ -7458,7 +7459,7 @@ static int nl80211_add_scan_req(struct sk_buff *msg,
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static int nl80211_send_scan_msg(struct sk_buff *msg,
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struct cfg80211_registered_device *rdev,
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struct net_device *netdev,
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struct wireless_dev *wdev,
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u32 pid, u32 seq, int flags,
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u32 cmd)
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{
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@ -7469,7 +7470,9 @@ static int nl80211_send_scan_msg(struct sk_buff *msg,
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return -1;
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if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
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nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
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(wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
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wdev->netdev->ifindex)) ||
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nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
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goto nla_put_failure;
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/* ignore errors and send incomplete event anyway */
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@ -7506,7 +7509,7 @@ nl80211_send_sched_scan_msg(struct sk_buff *msg,
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}
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void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
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struct net_device *netdev)
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struct wireless_dev *wdev)
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{
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struct sk_buff *msg;
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@ -7514,7 +7517,7 @@ void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
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if (!msg)
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return;
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if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0,
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if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
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NL80211_CMD_TRIGGER_SCAN) < 0) {
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nlmsg_free(msg);
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return;
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@ -7525,7 +7528,7 @@ void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
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}
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void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
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struct net_device *netdev)
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struct wireless_dev *wdev)
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{
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struct sk_buff *msg;
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@ -7533,7 +7536,7 @@ void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
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if (!msg)
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return;
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if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0,
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if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
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NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
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nlmsg_free(msg);
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return;
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@ -7544,7 +7547,7 @@ void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
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}
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void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
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struct net_device *netdev)
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struct wireless_dev *wdev)
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{
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struct sk_buff *msg;
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if (!msg)
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return;
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if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0,
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if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
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NL80211_CMD_SCAN_ABORTED) < 0) {
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nlmsg_free(msg);
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return;
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@ -7,11 +7,11 @@ int nl80211_init(void);
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void nl80211_exit(void);
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void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev);
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void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
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struct net_device *netdev);
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struct wireless_dev *wdev);
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void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
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struct net_device *netdev);
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struct wireless_dev *wdev);
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void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
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struct net_device *netdev);
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struct wireless_dev *wdev);
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void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev,
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struct net_device *netdev, u32 cmd);
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void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev,
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@ -23,7 +23,7 @@
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void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak)
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{
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struct cfg80211_scan_request *request;
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struct net_device *dev;
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struct wireless_dev *wdev;
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#ifdef CONFIG_CFG80211_WEXT
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union iwreq_data wrqu;
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#endif
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@ -35,29 +35,31 @@ void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak)
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if (!request)
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return;
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dev = request->dev;
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wdev = request->wdev;
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/*
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* This must be before sending the other events!
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* Otherwise, wpa_supplicant gets completely confused with
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* wext events.
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*/
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cfg80211_sme_scan_done(dev);
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if (wdev->netdev)
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cfg80211_sme_scan_done(wdev->netdev);
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if (request->aborted)
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nl80211_send_scan_aborted(rdev, dev);
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nl80211_send_scan_aborted(rdev, wdev);
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else
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nl80211_send_scan_done(rdev, dev);
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nl80211_send_scan_done(rdev, wdev);
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#ifdef CONFIG_CFG80211_WEXT
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if (!request->aborted) {
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if (wdev->netdev && !request->aborted) {
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memset(&wrqu, 0, sizeof(wrqu));
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wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL);
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wireless_send_event(wdev->netdev, SIOCGIWSCAN, &wrqu, NULL);
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}
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#endif
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dev_put(dev);
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if (wdev->netdev)
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dev_put(wdev->netdev);
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rdev->scan_req = NULL;
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@ -955,7 +957,7 @@ int cfg80211_wext_siwscan(struct net_device *dev,
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}
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creq->wiphy = wiphy;
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creq->dev = dev;
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creq->wdev = dev->ieee80211_ptr;
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/* SSIDs come after channels */
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creq->ssids = (void *)&creq->channels[n_channels];
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creq->n_channels = n_channels;
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@ -1024,12 +1026,12 @@ int cfg80211_wext_siwscan(struct net_device *dev,
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creq->rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1;
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rdev->scan_req = creq;
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err = rdev->ops->scan(wiphy, dev, creq);
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err = rdev->ops->scan(wiphy, creq);
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if (err) {
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rdev->scan_req = NULL;
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/* creq will be freed below */
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} else {
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nl80211_send_scan_start(rdev, dev);
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nl80211_send_scan_start(rdev, dev->ieee80211_ptr);
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/* creq now owned by driver */
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creq = NULL;
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dev_hold(dev);
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@ -136,15 +136,15 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev)
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wdev->conn->params.ssid_len);
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request->ssids[0].ssid_len = wdev->conn->params.ssid_len;
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request->dev = wdev->netdev;
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request->wdev = wdev;
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request->wiphy = &rdev->wiphy;
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rdev->scan_req = request;
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err = rdev->ops->scan(wdev->wiphy, wdev->netdev, request);
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err = rdev->ops->scan(wdev->wiphy, request);
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if (!err) {
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wdev->conn->state = CFG80211_CONN_SCANNING;
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nl80211_send_scan_start(rdev, wdev->netdev);
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nl80211_send_scan_start(rdev, wdev);
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dev_hold(wdev->netdev);
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} else {
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rdev->scan_req = NULL;
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