Revert "mac80211: refactor virtual monitor code"
This reverts commit 870d37fc22f3e40f9f23e06c581c8538fc16a2f0.
This code doesn't work as cfg80211 will call
set_monitor_enabled at the wrong time and it
doesn't seem to be possible to fix this.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index cfdc03f..e95f24e 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2982,16 +2982,6 @@
return 0;
}
-static void ieee80211_set_monitor_enabled(struct wiphy *wiphy, bool enabled)
-{
- struct ieee80211_local *local = wiphy_priv(wiphy);
-
- if (enabled)
- WARN_ON(ieee80211_add_virtual_monitor(local));
- else
- ieee80211_del_virtual_monitor(local);
-}
-
#ifdef CONFIG_PM
static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
{
@@ -3066,7 +3056,6 @@
.tdls_mgmt = ieee80211_tdls_mgmt,
.probe_client = ieee80211_probe_client,
.set_noack_map = ieee80211_set_noack_map,
- .set_monitor_enabled = ieee80211_set_monitor_enabled,
#ifdef CONFIG_PM
.set_wakeup = ieee80211_set_wakeup,
#endif
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 7998513..bb61f77 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1491,10 +1491,6 @@
int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb, bool need_basic);
-/* virtual monitor */
-int ieee80211_add_virtual_monitor(struct ieee80211_local *local);
-void ieee80211_del_virtual_monitor(struct ieee80211_local *local);
-
/* channel management */
enum ieee80211_chan_mode {
CHAN_MODE_UNDEFINED,
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 334ee0f..bfb57dc 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -331,7 +331,7 @@
sdata->vif.cab_queue = IEEE80211_INVAL_HW_QUEUE;
}
-int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
+static int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
{
struct ieee80211_sub_if_data *sdata;
int ret = 0;
@@ -377,7 +377,7 @@
return ret;
}
-void ieee80211_del_virtual_monitor(struct ieee80211_local *local)
+static void ieee80211_del_virtual_monitor(struct ieee80211_local *local)
{
struct ieee80211_sub_if_data *sdata;
@@ -497,6 +497,12 @@
break;
}
+ if (local->monitors == 0 && local->open_count == 0) {
+ res = ieee80211_add_virtual_monitor(local);
+ if (res)
+ goto err_stop;
+ }
+
/* must be before the call to ieee80211_configure_filter */
local->monitors++;
if (local->monitors == 1) {
@@ -511,6 +517,8 @@
break;
default:
if (coming_up) {
+ ieee80211_del_virtual_monitor(local);
+
res = drv_add_interface(local, sdata);
if (res)
goto err_stop;
@@ -745,6 +753,7 @@
if (local->monitors == 0) {
local->hw.conf.flags &= ~IEEE80211_CONF_MONITOR;
hw_reconf_flags |= IEEE80211_CONF_CHANGE_MONITOR;
+ ieee80211_del_virtual_monitor(local);
}
ieee80211_adjust_monitor_flags(sdata, -1);
@@ -818,6 +827,9 @@
}
}
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+
+ if (local->monitors == local->open_count && local->monitors > 0)
+ ieee80211_add_virtual_monitor(local);
}
static int ieee80211_stop(struct net_device *dev)