forked from Minki/linux
cfg80211: add request id to cfg80211_sched_scan_*() api
Have proper request id filled in the SCHED_SCAN_RESULTS and SCHED_SCAN_STOPPED notifications toward user-space by having the driver provide it through the api. Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> Reviewed-by: Franky Lin <franky.lin@broadcom.com> Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
parent
e38a017bf0
commit
b34939b983
@ -169,7 +169,7 @@ static void ath6kl_cfg80211_sscan_disable(struct ath6kl_vif *vif)
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if (!stopped)
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return;
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cfg80211_sched_scan_stopped(ar->wiphy);
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cfg80211_sched_scan_stopped(ar->wiphy, 0);
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}
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static int ath6kl_set_wpa_version(struct ath6kl_vif *vif,
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@ -1082,7 +1082,7 @@ void ath6kl_wmi_sscan_timer(unsigned long ptr)
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{
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struct ath6kl_vif *vif = (struct ath6kl_vif *) ptr;
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cfg80211_sched_scan_results(vif->ar->wiphy);
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cfg80211_sched_scan_results(vif->ar->wiphy, 0);
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}
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static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
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@ -762,7 +762,7 @@ s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
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brcmf_dbg(SCAN, "scheduled scan completed\n");
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cfg->internal_escan = false;
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if (!aborted)
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cfg80211_sched_scan_results(cfg_to_wiphy(cfg));
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cfg80211_sched_scan_results(cfg_to_wiphy(cfg), 0);
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} else if (scan_request) {
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struct cfg80211_scan_info info = {
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.aborted = aborted,
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@ -3372,7 +3372,7 @@ brcmf_notify_sched_scan_results(struct brcmf_if *ifp,
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goto free_req;
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out_err:
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cfg80211_sched_scan_stopped(wiphy);
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cfg80211_sched_scan_stopped(wiphy, 0);
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free_req:
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kfree(request);
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return err;
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@ -2053,7 +2053,7 @@ mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
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struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
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if (!mwifiex_stop_bg_scan(priv))
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cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy);
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cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0);
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if (mwifiex_deauthenticate(priv, NULL))
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return -EFAULT;
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@ -2321,7 +2321,7 @@ mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
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(int)sme->ssid_len, (char *)sme->ssid, sme->bssid);
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if (!mwifiex_stop_bg_scan(priv))
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cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy);
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cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0);
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ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
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priv->bss_mode, sme->channel, sme, 0);
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@ -2530,7 +2530,7 @@ mwifiex_cfg80211_scan(struct wiphy *wiphy,
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priv->scan_block = false;
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if (!mwifiex_stop_bg_scan(priv))
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cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy);
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cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0);
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user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL);
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if (!user_scan_cfg)
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@ -748,7 +748,7 @@ mwifiex_close(struct net_device *dev)
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mwifiex_dbg(priv->adapter, INFO,
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"aborting bgscan on ndo_stop\n");
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mwifiex_stop_bg_scan(priv);
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cfg80211_sched_scan_stopped(priv->wdev.wiphy);
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cfg80211_sched_scan_stopped(priv->wdev.wiphy, 0);
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}
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return 0;
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@ -1201,7 +1201,7 @@ int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no,
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break;
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case HostCmd_CMD_802_11_BG_SCAN_QUERY:
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ret = mwifiex_ret_802_11_scan(priv, resp);
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cfg80211_sched_scan_results(priv->wdev.wiphy);
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cfg80211_sched_scan_results(priv->wdev.wiphy, 0);
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mwifiex_dbg(adapter, CMD,
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"info: CMD_RESP: BG_SCAN result is ready!\n");
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break;
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@ -793,7 +793,7 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv)
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case EVENT_BG_SCAN_STOPPED:
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dev_dbg(adapter->dev, "event: BGS_STOPPED\n");
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cfg80211_sched_scan_stopped(priv->wdev.wiphy);
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cfg80211_sched_scan_stopped(priv->wdev.wiphy, 0);
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if (priv->sched_scanning)
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priv->sched_scanning = false;
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break;
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@ -560,7 +560,7 @@ int mwifiex_enable_hs(struct mwifiex_adapter *adapter)
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#endif
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mwifiex_dbg(adapter, CMD, "aborting bgscan!\n");
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mwifiex_stop_bg_scan(priv);
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cfg80211_sched_scan_stopped(priv->wdev.wiphy);
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cfg80211_sched_scan_stopped(priv->wdev.wiphy, 0);
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#ifdef CONFIG_PM
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}
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#endif
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@ -1666,6 +1666,7 @@ struct cfg80211_bss_select_adjust {
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* (others are filtered out).
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* If ommited, all results are passed.
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* @n_match_sets: number of match sets
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* @results_wk: worker for processing results notification.
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* @wiphy: the wiphy this was for
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* @dev: the interface
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* @scan_start: start time of the scheduled scan
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@ -1726,6 +1727,7 @@ struct cfg80211_sched_scan_request {
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struct wiphy *wiphy;
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struct net_device *dev;
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unsigned long scan_start;
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bool report_results;
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struct rcu_head rcu_head;
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u32 owner_nlportid;
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bool nl_owner_dead;
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@ -4564,31 +4566,34 @@ void cfg80211_scan_done(struct cfg80211_scan_request *request,
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* cfg80211_sched_scan_results - notify that new scan results are available
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*
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* @wiphy: the wiphy which got scheduled scan results
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* @reqid: identifier for the related scheduled scan request
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*/
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void cfg80211_sched_scan_results(struct wiphy *wiphy);
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void cfg80211_sched_scan_results(struct wiphy *wiphy, u64 reqid);
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/**
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* cfg80211_sched_scan_stopped - notify that the scheduled scan has stopped
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*
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* @wiphy: the wiphy on which the scheduled scan stopped
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* @reqid: identifier for the related scheduled scan request
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*
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* The driver can call this function to inform cfg80211 that the
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* scheduled scan had to be stopped, for whatever reason. The driver
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* is then called back via the sched_scan_stop operation when done.
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*/
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void cfg80211_sched_scan_stopped(struct wiphy *wiphy);
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void cfg80211_sched_scan_stopped(struct wiphy *wiphy, u64 reqid);
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/**
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* cfg80211_sched_scan_stopped_rtnl - notify that the scheduled scan has stopped
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*
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* @wiphy: the wiphy on which the scheduled scan stopped
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* @reqid: identifier for the related scheduled scan request
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*
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* The driver can call this function to inform cfg80211 that the
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* scheduled scan had to be stopped, for whatever reason. The driver
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* is then called back via the sched_scan_stop operation when done.
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* This function should be called with rtnl locked.
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*/
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void cfg80211_sched_scan_stopped_rtnl(struct wiphy *wiphy);
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void cfg80211_sched_scan_stopped_rtnl(struct wiphy *wiphy, u64 reqid);
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/**
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* cfg80211_inform_bss_frame_data - inform cfg80211 of a received BSS frame
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@ -10,7 +10,7 @@ static void ieee80211_sched_scan_cancel(struct ieee80211_local *local)
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{
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if (ieee80211_request_sched_scan_stop(local))
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return;
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cfg80211_sched_scan_stopped_rtnl(local->hw.wiphy);
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cfg80211_sched_scan_stopped_rtnl(local->hw.wiphy, 0);
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}
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int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
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@ -1219,7 +1219,7 @@ void ieee80211_sched_scan_results(struct ieee80211_hw *hw)
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trace_api_sched_scan_results(local);
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cfg80211_sched_scan_results(hw->wiphy);
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cfg80211_sched_scan_results(hw->wiphy, 0);
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}
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EXPORT_SYMBOL(ieee80211_sched_scan_results);
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@ -1239,7 +1239,7 @@ void ieee80211_sched_scan_end(struct ieee80211_local *local)
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mutex_unlock(&local->mtx);
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cfg80211_sched_scan_stopped(local->hw.wiphy);
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cfg80211_sched_scan_stopped(local->hw.wiphy, 0);
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}
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void ieee80211_sched_scan_stopped_work(struct work_struct *work)
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@ -2112,7 +2112,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
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mutex_unlock(&local->mtx);
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if (sched_scan_stopped)
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cfg80211_sched_scan_stopped_rtnl(local->hw.wiphy);
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cfg80211_sched_scan_stopped_rtnl(local->hw.wiphy, 0);
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wake_up:
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if (local->in_reconfig) {
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@ -456,7 +456,6 @@ use_default_name:
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INIT_LIST_HEAD(&rdev->bss_list);
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INIT_LIST_HEAD(&rdev->sched_scan_req_list);
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INIT_WORK(&rdev->scan_done_wk, __cfg80211_scan_done);
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INIT_WORK(&rdev->sched_scan_results_wk, __cfg80211_sched_scan_results);
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INIT_LIST_HEAD(&rdev->mlme_unreg);
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spin_lock_init(&rdev->mlme_unreg_lock);
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INIT_WORK(&rdev->mlme_unreg_wk, cfg80211_mlme_unreg_wk);
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@ -473,6 +472,7 @@ use_default_name:
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INIT_WORK(&rdev->destroy_work, cfg80211_destroy_iface_wk);
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INIT_WORK(&rdev->sched_scan_stop_wk, cfg80211_sched_scan_stop_wk);
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INIT_WORK(&rdev->sched_scan_res_wk, cfg80211_sched_scan_results_wk);
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INIT_WORK(&rdev->propagate_radar_detect_wk,
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cfg80211_propagate_radar_detect_wk);
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INIT_WORK(&rdev->propagate_cac_done_wk, cfg80211_propagate_cac_done_wk);
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@ -77,7 +77,6 @@ struct cfg80211_registered_device {
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struct list_head sched_scan_req_list;
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unsigned long suspend_at;
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struct work_struct scan_done_wk;
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struct work_struct sched_scan_results_wk;
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struct genl_info *cur_cmd_info;
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@ -93,6 +92,7 @@ struct cfg80211_registered_device {
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struct work_struct destroy_work;
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struct work_struct sched_scan_stop_wk;
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struct work_struct sched_scan_res_wk;
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struct cfg80211_chan_def radar_chandef;
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struct work_struct propagate_radar_detect_wk;
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@ -412,7 +412,7 @@ void cfg80211_add_sched_scan_req(struct cfg80211_registered_device *rdev,
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struct cfg80211_sched_scan_request *req);
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int cfg80211_sched_scan_req_possible(struct cfg80211_registered_device *rdev,
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bool want_multi);
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void __cfg80211_sched_scan_results(struct work_struct *wk);
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void cfg80211_sched_scan_results_wk(struct work_struct *work);
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int cfg80211_stop_sched_scan_req(struct cfg80211_registered_device *rdev,
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struct cfg80211_sched_scan_request *req,
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bool driver_initiated);
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@ -328,7 +328,7 @@ cfg80211_find_sched_scan_req(struct cfg80211_registered_device *rdev, u64 reqid)
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if (pos->reqid == reqid)
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return pos;
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}
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return ERR_PTR(-ENOENT);
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return NULL;
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}
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/*
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@ -364,67 +364,66 @@ int cfg80211_sched_scan_req_possible(struct cfg80211_registered_device *rdev,
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return 0;
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}
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void __cfg80211_sched_scan_results(struct work_struct *wk)
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void cfg80211_sched_scan_results_wk(struct work_struct *work)
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{
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struct cfg80211_registered_device *rdev;
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struct cfg80211_sched_scan_request *request;
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struct cfg80211_sched_scan_request *req, *tmp;
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rdev = container_of(wk, struct cfg80211_registered_device,
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sched_scan_results_wk);
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rdev = container_of(work, struct cfg80211_registered_device,
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sched_scan_res_wk);
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rtnl_lock();
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request = cfg80211_find_sched_scan_req(rdev, 0);
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/* we don't have sched_scan_req anymore if the scan is stopping */
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if (!IS_ERR(request)) {
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if (request->flags & NL80211_SCAN_FLAG_FLUSH) {
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/* flush entries from previous scans */
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spin_lock_bh(&rdev->bss_lock);
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__cfg80211_bss_expire(rdev, request->scan_start);
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spin_unlock_bh(&rdev->bss_lock);
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request->scan_start = jiffies;
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list_for_each_entry_safe(req, tmp, &rdev->sched_scan_req_list, list) {
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if (req->report_results) {
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req->report_results = false;
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if (req->flags & NL80211_SCAN_FLAG_FLUSH) {
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/* flush entries from previous scans */
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spin_lock_bh(&rdev->bss_lock);
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__cfg80211_bss_expire(rdev, req->scan_start);
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spin_unlock_bh(&rdev->bss_lock);
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req->scan_start = jiffies;
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}
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nl80211_send_sched_scan(req,
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NL80211_CMD_SCHED_SCAN_RESULTS);
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}
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nl80211_send_sched_scan(request, NL80211_CMD_SCHED_SCAN_RESULTS);
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}
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rtnl_unlock();
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}
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void cfg80211_sched_scan_results(struct wiphy *wiphy)
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void cfg80211_sched_scan_results(struct wiphy *wiphy, u64 reqid)
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{
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struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
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struct cfg80211_sched_scan_request *request;
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trace_cfg80211_sched_scan_results(wiphy);
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trace_cfg80211_sched_scan_results(wiphy, reqid);
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/* ignore if we're not scanning */
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rtnl_lock();
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request = cfg80211_find_sched_scan_req(rdev, 0);
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request = cfg80211_find_sched_scan_req(rdev, reqid);
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if (request) {
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request->report_results = true;
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queue_work(cfg80211_wq, &rdev->sched_scan_res_wk);
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}
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rtnl_unlock();
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if (!IS_ERR(request))
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queue_work(cfg80211_wq,
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&wiphy_to_rdev(wiphy)->sched_scan_results_wk);
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}
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EXPORT_SYMBOL(cfg80211_sched_scan_results);
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void cfg80211_sched_scan_stopped_rtnl(struct wiphy *wiphy)
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void cfg80211_sched_scan_stopped_rtnl(struct wiphy *wiphy, u64 reqid)
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{
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struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
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ASSERT_RTNL();
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trace_cfg80211_sched_scan_stopped(wiphy);
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trace_cfg80211_sched_scan_stopped(wiphy, reqid);
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__cfg80211_stop_sched_scan(rdev, 0, true);
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__cfg80211_stop_sched_scan(rdev, reqid, true);
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}
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EXPORT_SYMBOL(cfg80211_sched_scan_stopped_rtnl);
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void cfg80211_sched_scan_stopped(struct wiphy *wiphy)
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void cfg80211_sched_scan_stopped(struct wiphy *wiphy, u64 reqid)
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{
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rtnl_lock();
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cfg80211_sched_scan_stopped_rtnl(wiphy);
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cfg80211_sched_scan_stopped_rtnl(wiphy, reqid);
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rtnl_unlock();
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}
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EXPORT_SYMBOL(cfg80211_sched_scan_stopped);
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@ -456,8 +455,8 @@ int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
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ASSERT_RTNL();
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sched_scan_req = cfg80211_find_sched_scan_req(rdev, reqid);
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if (IS_ERR(sched_scan_req))
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return PTR_ERR(sched_scan_req);
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if (!sched_scan_req)
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return -ENOENT;
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return cfg80211_stop_sched_scan_req(rdev, sched_scan_req,
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driver_initiated);
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@ -2820,14 +2820,28 @@ TRACE_EVENT(cfg80211_scan_done,
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MAC_PR_ARG(tsf_bssid))
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);
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DEFINE_EVENT(wiphy_only_evt, cfg80211_sched_scan_results,
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TP_PROTO(struct wiphy *wiphy),
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TP_ARGS(wiphy)
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DECLARE_EVENT_CLASS(wiphy_id_evt,
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TP_PROTO(struct wiphy *wiphy, u64 id),
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TP_ARGS(wiphy, id),
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TP_STRUCT__entry(
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WIPHY_ENTRY
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__field(u64, id)
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),
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TP_fast_assign(
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WIPHY_ASSIGN;
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__entry->id = id;
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),
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TP_printk(WIPHY_PR_FMT ", id: %llu", WIPHY_PR_ARG, __entry->id)
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);
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DEFINE_EVENT(wiphy_only_evt, cfg80211_sched_scan_stopped,
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TP_PROTO(struct wiphy *wiphy),
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TP_ARGS(wiphy)
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DEFINE_EVENT(wiphy_id_evt, cfg80211_sched_scan_stopped,
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TP_PROTO(struct wiphy *wiphy, u64 id),
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TP_ARGS(wiphy, id)
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);
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DEFINE_EVENT(wiphy_id_evt, cfg80211_sched_scan_results,
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TP_PROTO(struct wiphy *wiphy, u64 id),
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TP_ARGS(wiphy, id)
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);
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TRACE_EVENT(cfg80211_get_bss,
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