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wifi: mac80211: move offchannel works to wiphy work 

Make the offchannel works wiphy works to have the
wiphy locked for executing them.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2023-08-28 13:59:42 +02:00
parent 730538edc8
commit 97c19e42b2
3 changed files with 23 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
net/mac80211/ieee80211_i.h
View File

@ -1589,9 +1589,9 @@ 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;

6
net/mac80211/main.c
View File

@ -377,8 +377,8 @@ 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();
@ -1501,11 +1501,11 @@ 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);

36
net/mac80211/offchannel.c
View File

@ -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);
}