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wifi: cfg80211/mac80211: use proper link ID for DFS
Now that all APIs have support to handle DFS per link, use proper link ID instead of 0. Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com> Link: https://patch.msgid.link/20240906064426.2101315-8-quic_adisi@quicinc.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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@ -1662,12 +1662,12 @@ static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev,
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ieee80211_link_info_change_notify(sdata, link,
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BSS_CHANGED_BEACON_ENABLED);
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if (sdata->wdev.links[0].cac_started) {
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if (sdata->wdev.links[link_id].cac_started) {
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chandef = link_conf->chanreq.oper;
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wiphy_delayed_work_cancel(wiphy, &link->dfs_cac_timer_work);
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cfg80211_cac_event(sdata->dev, &chandef,
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NL80211_RADAR_CAC_ABORTED,
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GFP_KERNEL, 0);
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GFP_KERNEL, link_id);
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}
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drv_stop_ap(sdata->local, sdata, link_conf);
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@ -3968,7 +3968,7 @@ __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
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if (!list_empty(&local->roc_list) || local->scanning)
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return -EBUSY;
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if (sdata->wdev.links[0].cac_started)
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if (sdata->wdev.links[link_id].cac_started)
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return -EBUSY;
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if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
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@ -3039,11 +3039,11 @@ void ieee80211_dfs_cac_timer_work(struct wiphy *wiphy, struct wiphy_work *work)
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lockdep_assert_wiphy(sdata->local->hw.wiphy);
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if (sdata->wdev.links[0].cac_started) {
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if (sdata->wdev.links[link->link_id].cac_started) {
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ieee80211_link_release_channel(link);
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cfg80211_cac_event(sdata->dev, &chandef,
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NL80211_RADAR_CAC_FINISHED,
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GFP_KERNEL, 0);
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GFP_KERNEL, link->link_id);
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}
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}
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@ -575,6 +575,7 @@ static bool __ieee80211_can_leave_ch(struct ieee80211_sub_if_data *sdata)
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{
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struct ieee80211_local *local = sdata->local;
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struct ieee80211_sub_if_data *sdata_iter;
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unsigned int link_id;
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lockdep_assert_wiphy(local->hw.wiphy);
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@ -585,8 +586,9 @@ static bool __ieee80211_can_leave_ch(struct ieee80211_sub_if_data *sdata)
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return false;
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list_for_each_entry(sdata_iter, &local->interfaces, list) {
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if (sdata_iter->wdev.links[0].cac_started)
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return false;
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for_each_valid_link(&sdata_iter->wdev, link_id)
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if (sdata_iter->wdev.links[link_id].cac_started)
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return false;
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}
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return true;
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@ -1124,14 +1124,14 @@ void cfg80211_cac_event(struct net_device *netdev,
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trace_cfg80211_cac_event(netdev, event, link_id);
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if (WARN_ON(!wdev->links[0].cac_started &&
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if (WARN_ON(!wdev->links[link_id].cac_started &&
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event != NL80211_RADAR_CAC_STARTED))
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return;
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switch (event) {
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case NL80211_RADAR_CAC_FINISHED:
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timeout = wdev->links[0].cac_start_time +
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msecs_to_jiffies(wdev->links[0].cac_time_ms);
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timeout = wdev->links[link_id].cac_start_time +
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msecs_to_jiffies(wdev->links[link_id].cac_time_ms);
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WARN_ON(!time_after_eq(jiffies, timeout));
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cfg80211_set_dfs_state(wiphy, chandef, NL80211_DFS_AVAILABLE);
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memcpy(&rdev->cac_done_chandef, chandef,
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@ -1140,10 +1140,10 @@ void cfg80211_cac_event(struct net_device *netdev,
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cfg80211_sched_dfs_chan_update(rdev);
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fallthrough;
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case NL80211_RADAR_CAC_ABORTED:
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wdev->links[0].cac_started = false;
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wdev->links[link_id].cac_started = false;
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break;
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case NL80211_RADAR_CAC_STARTED:
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wdev->links[0].cac_started = true;
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wdev->links[link_id].cac_started = true;
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break;
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default:
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WARN_ON(1);
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@ -6066,7 +6066,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
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if (!rdev->ops->start_ap)
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return -EOPNOTSUPP;
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if (wdev->links[0].cac_started)
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if (wdev->links[link_id].cac_started)
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return -EBUSY;
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if (wdev->links[link_id].ap.beacon_interval)
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@ -10072,6 +10072,7 @@ static int nl80211_start_radar_detection(struct sk_buff *skb,
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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 = dev->ieee80211_ptr;
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int link_id = nl80211_link_id(info->attrs);
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struct wiphy *wiphy = wdev->wiphy;
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struct cfg80211_chan_def chandef;
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enum nl80211_dfs_regions dfs_region;
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@ -10126,7 +10127,7 @@ static int nl80211_start_radar_detection(struct sk_buff *skb,
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* can not already beacon
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*/
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if (wdev->valid_links &&
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!wdev->links[0].ap.beacon_interval) {
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!wdev->links[link_id].ap.beacon_interval) {
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/* nothing */
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} else {
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err = -EBUSY;
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@ -10134,7 +10135,7 @@ static int nl80211_start_radar_detection(struct sk_buff *skb,
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}
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}
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if (wdev->links[0].cac_started) {
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if (wdev->links[link_id].cac_started) {
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err = -EBUSY;
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goto unlock;
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}
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@ -10155,7 +10156,7 @@ static int nl80211_start_radar_detection(struct sk_buff *skb,
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cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
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err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms,
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0);
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link_id);
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if (!err) {
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switch (wdev->iftype) {
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case NL80211_IFTYPE_AP:
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@ -10171,9 +10172,9 @@ static int nl80211_start_radar_detection(struct sk_buff *skb,
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default:
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break;
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}
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wdev->links[0].cac_started = true;
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wdev->links[0].cac_start_time = jiffies;
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wdev->links[0].cac_time_ms = cac_time_ms;
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wdev->links[link_id].cac_started = true;
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wdev->links[link_id].cac_start_time = jiffies;
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wdev->links[link_id].cac_time_ms = cac_time_ms;
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}
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unlock:
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wiphy_unlock(wiphy);
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