This is a note to let you know that I've just added the patch titled
wifi: mac80211: move offchannel works to wiphy work
to the 6.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
wifi-mac80211-move-offchannel-works-to-wiphy-work.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 9e6537282106be7c49655ce0db95074a89820460
Author: Johannes Berg <johannes.berg@xxxxxxxxx>
Date: Mon Aug 28 13:59:42 2023 +0200
wifi: mac80211: move offchannel works to wiphy work
[ Upstream commit 97c19e42b264e6b71a9ff9deea04c19f621805b9 ]
Make the offchannel works wiphy works to have the
wiphy locked for executing them.
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Stable-dep-of: eadfb54756ae ("wifi: mac80211: move sched-scan stop work to wiphy work")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index ab759b3b2e88e..2bf63908a35e9 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1538,9 +1538,9 @@ struct ieee80211_local {
/*
* Remain-on-channel support
*/
- struct delayed_work roc_work;
+ struct wiphy_delayed_work roc_work;
struct list_head roc_list;
- struct work_struct hw_roc_start, hw_roc_done;
+ struct wiphy_work hw_roc_start, hw_roc_done;
unsigned long hw_roc_start_time;
u64 roc_cookie_counter;
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 5422476eb1a1c..71c1b4603623e 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -374,8 +374,8 @@ static void ieee80211_restart_work(struct work_struct *work)
ieee80211_scan_cancel(local);
/* make sure any new ROC will consider local->in_reconfig */
- flush_delayed_work(&local->roc_work);
- flush_work(&local->hw_roc_done);
+ wiphy_delayed_work_flush(local->hw.wiphy, &local->roc_work);
+ wiphy_work_flush(local->hw.wiphy, &local->hw_roc_done);
/* wait for all packet processing to be done */
synchronize_net();
@@ -1469,11 +1469,11 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
ieee80211_remove_interfaces(local);
wiphy_lock(local->hw.wiphy);
+ wiphy_delayed_work_cancel(local->hw.wiphy, &local->roc_work);
wiphy_work_cancel(local->hw.wiphy, &local->radar_detected_work);
wiphy_unlock(local->hw.wiphy);
rtnl_unlock();
- cancel_delayed_work_sync(&local->roc_work);
cancel_work_sync(&local->restart_work);
cancel_work_sync(&local->reconfig_filter);
flush_work(&local->sched_scan_stopped_work);
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index d78c82d6b6966..50dc379ca097e 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -230,7 +230,7 @@ static bool ieee80211_recalc_sw_work(struct ieee80211_local *local,
if (dur == LONG_MAX)
return false;
- mod_delayed_work(local->workqueue, &local->roc_work, dur);
+ wiphy_delayed_work_queue(local->hw.wiphy, &local->roc_work, dur);
return true;
}
@@ -258,7 +258,7 @@ static void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc,
roc->notified = true;
}
-static void ieee80211_hw_roc_start(struct work_struct *work)
+static void ieee80211_hw_roc_start(struct wiphy *wiphy, struct wiphy_work *work)
{
struct ieee80211_local *local =
container_of(work, struct ieee80211_local, hw_roc_start);
@@ -285,7 +285,7 @@ void ieee80211_ready_on_channel(struct ieee80211_hw *hw)
trace_api_ready_on_channel(local);
- ieee80211_queue_work(hw, &local->hw_roc_start);
+ wiphy_work_queue(hw->wiphy, &local->hw_roc_start);
}
EXPORT_SYMBOL_GPL(ieee80211_ready_on_channel);
@@ -338,7 +338,7 @@ static void _ieee80211_start_next_roc(struct ieee80211_local *local)
tmp->started = true;
tmp->abort = true;
}
- ieee80211_queue_work(&local->hw, &local->hw_roc_done);
+ wiphy_work_queue(local->hw.wiphy, &local->hw_roc_done);
return;
}
@@ -368,8 +368,8 @@ static void _ieee80211_start_next_roc(struct ieee80211_local *local)
ieee80211_hw_config(local, 0);
}
- ieee80211_queue_delayed_work(&local->hw, &local->roc_work,
- msecs_to_jiffies(min_dur));
+ wiphy_delayed_work_queue(local->hw.wiphy, &local->roc_work,
+ msecs_to_jiffies(min_dur));
/* tell userspace or send frame(s) */
list_for_each_entry(tmp, &local->roc_list, list) {
@@ -407,8 +407,8 @@ void ieee80211_start_next_roc(struct ieee80211_local *local)
_ieee80211_start_next_roc(local);
} else {
/* delay it a bit */
- ieee80211_queue_delayed_work(&local->hw, &local->roc_work,
- round_jiffies_relative(HZ/2));
+ wiphy_delayed_work_queue(local->hw.wiphy, &local->roc_work,
+ round_jiffies_relative(HZ / 2));
}
}
@@ -451,7 +451,7 @@ static void __ieee80211_roc_work(struct ieee80211_local *local)
}
}
-static void ieee80211_roc_work(struct work_struct *work)
+static void ieee80211_roc_work(struct wiphy *wiphy, struct wiphy_work *work)
{
struct ieee80211_local *local =
container_of(work, struct ieee80211_local, roc_work.work);
@@ -461,7 +461,7 @@ static void ieee80211_roc_work(struct work_struct *work)
mutex_unlock(&local->mtx);
}
-static void ieee80211_hw_roc_done(struct work_struct *work)
+static void ieee80211_hw_roc_done(struct wiphy *wiphy, struct wiphy_work *work)
{
struct ieee80211_local *local =
container_of(work, struct ieee80211_local, hw_roc_done);
@@ -482,7 +482,7 @@ void ieee80211_remain_on_channel_expired(struct ieee80211_hw *hw)
trace_api_remain_on_channel_expired(local);
- ieee80211_queue_work(hw, &local->hw_roc_done);
+ wiphy_work_queue(hw->wiphy, &local->hw_roc_done);
}
EXPORT_SYMBOL_GPL(ieee80211_remain_on_channel_expired);
@@ -586,8 +586,8 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local,
/* if not HW assist, just queue & schedule work */
if (!local->ops->remain_on_channel) {
list_add_tail(&roc->list, &local->roc_list);
- ieee80211_queue_delayed_work(&local->hw,
- &local->roc_work, 0);
+ wiphy_delayed_work_queue(local->hw.wiphy,
+ &local->roc_work, 0);
} else {
/* otherwise actually kick it off here
* (for error handling)
@@ -695,7 +695,7 @@ static int ieee80211_cancel_roc(struct ieee80211_local *local,
if (!cookie)
return -ENOENT;
- flush_work(&local->hw_roc_start);
+ wiphy_work_flush(local->hw.wiphy, &local->hw_roc_start);
mutex_lock(&local->mtx);
list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
@@ -745,7 +745,7 @@ static int ieee80211_cancel_roc(struct ieee80211_local *local,
} else {
/* go through work struct to return to the operating channel */
found->abort = true;
- mod_delayed_work(local->workqueue, &local->roc_work, 0);
+ wiphy_delayed_work_queue(local->hw.wiphy, &local->roc_work, 0);
}
out_unlock:
@@ -994,9 +994,9 @@ int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
void ieee80211_roc_setup(struct ieee80211_local *local)
{
- INIT_WORK(&local->hw_roc_start, ieee80211_hw_roc_start);
- INIT_WORK(&local->hw_roc_done, ieee80211_hw_roc_done);
- INIT_DELAYED_WORK(&local->roc_work, ieee80211_roc_work);
+ wiphy_work_init(&local->hw_roc_start, ieee80211_hw_roc_start);
+ wiphy_work_init(&local->hw_roc_done, ieee80211_hw_roc_done);
+ wiphy_delayed_work_init(&local->roc_work, ieee80211_roc_work);
INIT_LIST_HEAD(&local->roc_list);
}
