Commit b78e8cea authored by Michal Kazior's avatar Michal Kazior Committed by Johannes Berg

cfg80211: track monitor channel

Make it even more obvious we support single
monitor channel. This will allow us to remove
.get_channel.
Signed-off-by: default avatarMichal Kazior <michal.kazior@tieto.com>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 4f03c1ed
......@@ -82,6 +82,7 @@ int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev,
int freq, enum nl80211_channel_type chantype)
{
struct ieee80211_channel *chan;
int err;
if (!rdev->ops->set_monitor_channel)
return -EOPNOTSUPP;
......@@ -92,7 +93,13 @@ int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev,
if (!chan)
return -EINVAL;
return rdev->ops->set_monitor_channel(&rdev->wiphy, chan, chantype);
err = rdev->ops->set_monitor_channel(&rdev->wiphy, chan, chantype);
if (!err) {
rdev->monitor_channel = chan;
rdev->monitor_channel_type = chantype;
}
return err;
}
void
......
......@@ -730,9 +730,15 @@ void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev,
rdev->num_running_monitor_ifaces += num;
has_monitors_only_new = cfg80211_has_monitors_only(rdev);
if (has_monitors_only_new != has_monitors_only_old)
if (has_monitors_only_new != has_monitors_only_old) {
rdev->ops->set_monitor_enabled(&rdev->wiphy,
has_monitors_only_new);
if (!has_monitors_only_new) {
rdev->monitor_channel = NULL;
rdev->monitor_channel_type = NL80211_CHAN_NO_HT;
}
}
}
static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
......
......@@ -59,6 +59,9 @@ struct cfg80211_registered_device {
int num_running_ifaces;
int num_running_monitor_ifaces;
struct ieee80211_channel *monitor_channel;
enum nl80211_channel_type monitor_channel_type;
/* BSSes/scanning */
spinlock_t bss_lock;
struct list_head bss_list;
......
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