Commit 3c3e21e7 authored by Johannes Berg's avatar Johannes Berg

mac80211: destroy virtual monitor interface across suspend

It has to be removed from the driver, but completely
destroying it helps handle unplug of a device during
suspend since then the channel context handling etc.
doesn't have to happen later when it's removed.
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent c8f994ee
......@@ -1336,6 +1336,8 @@ void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata,
const int offset);
int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up);
void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata);
int ieee80211_add_virtual_monitor(struct ieee80211_local *local);
void ieee80211_del_virtual_monitor(struct ieee80211_local *local);
bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata);
void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata);
......
......@@ -346,7 +346,7 @@ static void ieee80211_set_default_queues(struct ieee80211_sub_if_data *sdata)
sdata->vif.cab_queue = IEEE80211_INVAL_HW_QUEUE;
}
static int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
{
struct ieee80211_sub_if_data *sdata;
int ret = 0;
......@@ -400,7 +400,7 @@ static int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
return ret;
}
static void ieee80211_del_virtual_monitor(struct ieee80211_local *local)
void ieee80211_del_virtual_monitor(struct ieee80211_local *local)
{
struct ieee80211_sub_if_data *sdata;
......
......@@ -21,6 +21,8 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
ieee80211_roc_purge(local, NULL);
ieee80211_del_virtual_monitor(local);
if (hw->flags & IEEE80211_HW_AMPDU_AGGREGATION) {
mutex_lock(&local->sta_mtx);
list_for_each_entry(sta, &local->sta_list, list) {
......@@ -103,10 +105,6 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
drv_remove_interface(local, sdata);
}
sdata = rtnl_dereference(local->monitor_sdata);
if (sdata)
drv_remove_interface(local, sdata);
/*
* We disconnected on all interfaces before suspend, all channel
* contexts should be released.
......
......@@ -1461,6 +1461,8 @@ int ieee80211_reconfig(struct ieee80211_local *local)
/* add interfaces */
sdata = rtnl_dereference(local->monitor_sdata);
if (sdata) {
/* in HW restart it exists already */
WARN_ON(local->resuming);
res = drv_add_interface(local, sdata);
if (WARN_ON(res)) {
rcu_assign_pointer(local->monitor_sdata, NULL);
......@@ -1650,6 +1652,9 @@ int ieee80211_reconfig(struct ieee80211_local *local)
local->in_reconfig = false;
barrier();
if (local->monitors == local->open_count && local->monitors > 0)
ieee80211_add_virtual_monitor(local);
/*
* Clear the WLAN_STA_BLOCK_BA flag so new aggregation
* sessions can be established after a resume.
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment