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-rw-r--r--net/mac80211/iface.c48
1 files changed, 26 insertions, 22 deletions
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index bd2c48870add..be586bc0b5b7 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -8,7 +8,7 @@
* Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright (c) 2016 Intel Deutschland GmbH
- * Copyright (C) 2018-2022 Intel Corporation
+ * Copyright (C) 2018-2023 Intel Corporation
*/
#include <linux/slab.h>
#include <linux/kernel.h>
@@ -43,7 +43,7 @@
* by either the RTNL, the iflist_mtx or RCU.
*/
-static void ieee80211_iface_work(struct work_struct *work);
+static void ieee80211_iface_work(struct wiphy *wiphy, struct wiphy_work *work);
bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata)
{
@@ -521,7 +521,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, bool going_do
cancel_work_sync(&sdata->recalc_smps);
sdata_lock(sdata);
- WARN(sdata->vif.valid_links,
+ WARN(ieee80211_vif_is_mld(&sdata->vif),
"destroying interface with valid links 0x%04x\n",
sdata->vif.valid_links);
@@ -614,7 +614,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, bool going_do
RCU_INIT_POINTER(local->p2p_sdata, NULL);
fallthrough;
default:
- cancel_work_sync(&sdata->work);
+ wiphy_work_cancel(sdata->local->hw.wiphy, &sdata->work);
/*
* When we get here, the interface is marked down.
* Free the remaining keys, if there are any
@@ -1133,6 +1133,7 @@ int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
snprintf(sdata->name, IFNAMSIZ, "%s-monitor",
wiphy_name(local->hw.wiphy));
sdata->wdev.iftype = NL80211_IFTYPE_MONITOR;
+ mutex_init(&sdata->wdev.mtx);
ieee80211_sdata_init(local, sdata);
@@ -1157,23 +1158,26 @@ int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
rcu_assign_pointer(local->monitor_sdata, sdata);
mutex_unlock(&local->iflist_mtx);
+ sdata_lock(sdata);
mutex_lock(&local->mtx);
ret = ieee80211_link_use_channel(&sdata->deflink, &local->monitor_chandef,
IEEE80211_CHANCTX_EXCLUSIVE);
mutex_unlock(&local->mtx);
+ sdata_unlock(sdata);
if (ret) {
mutex_lock(&local->iflist_mtx);
RCU_INIT_POINTER(local->monitor_sdata, NULL);
mutex_unlock(&local->iflist_mtx);
synchronize_net();
drv_remove_interface(local, sdata);
+ mutex_destroy(&sdata->wdev.mtx);
kfree(sdata);
return ret;
}
skb_queue_head_init(&sdata->skb_queue);
skb_queue_head_init(&sdata->status_queue);
- INIT_WORK(&sdata->work, ieee80211_iface_work);
+ wiphy_work_init(&sdata->work, ieee80211_iface_work);
return 0;
}
@@ -1202,12 +1206,15 @@ void ieee80211_del_virtual_monitor(struct ieee80211_local *local)
synchronize_net();
+ sdata_lock(sdata);
mutex_lock(&local->mtx);
ieee80211_link_release_channel(&sdata->deflink);
mutex_unlock(&local->mtx);
+ sdata_unlock(sdata);
drv_remove_interface(local, sdata);
+ mutex_destroy(&sdata->wdev.mtx);
kfree(sdata);
}
@@ -1221,7 +1228,7 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
struct net_device *dev = wdev->netdev;
struct ieee80211_local *local = sdata->local;
- u32 changed = 0;
+ u64 changed = 0;
int res;
u32 hw_reconf_flags = 0;
@@ -1281,6 +1288,9 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
}
if (local->open_count == 0) {
+ /* here we can consider everything in good order (again) */
+ local->reconfig_failure = false;
+
res = drv_start(local);
if (res)
goto err_del_bss;
@@ -1622,7 +1632,7 @@ static void ieee80211_iface_process_status(struct ieee80211_sub_if_data *sdata,
}
}
-static void ieee80211_iface_work(struct work_struct *work)
+static void ieee80211_iface_work(struct wiphy *wiphy, struct wiphy_work *work)
{
struct ieee80211_sub_if_data *sdata =
container_of(work, struct ieee80211_sub_if_data, work);
@@ -1734,7 +1744,7 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
skb_queue_head_init(&sdata->skb_queue);
skb_queue_head_init(&sdata->status_queue);
- INIT_WORK(&sdata->work, ieee80211_iface_work);
+ wiphy_work_init(&sdata->work, ieee80211_iface_work);
INIT_WORK(&sdata->recalc_smps, ieee80211_recalc_smps_work);
INIT_WORK(&sdata->activate_links_work, ieee80211_activate_links_work);
@@ -1812,7 +1822,7 @@ static int ieee80211_runtime_change_iftype(struct ieee80211_sub_if_data *sdata,
return -EBUSY;
/* for now, don't support changing while links exist */
- if (sdata->vif.valid_links)
+ if (ieee80211_vif_is_mld(&sdata->vif))
return -EBUSY;
switch (sdata->vif.type) {
@@ -2255,7 +2265,6 @@ void ieee80211_remove_interfaces(struct ieee80211_local *local)
{
struct ieee80211_sub_if_data *sdata, *tmp;
LIST_HEAD(unreg_list);
- LIST_HEAD(wdev_list);
ASSERT_RTNL();
@@ -2278,23 +2287,18 @@ void ieee80211_remove_interfaces(struct ieee80211_local *local)
ieee80211_txq_teardown_flows(local);
mutex_lock(&local->iflist_mtx);
- list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) {
- list_del(&sdata->list);
-
- if (sdata->dev)
- unregister_netdevice_queue(sdata->dev, &unreg_list);
- else
- list_add(&sdata->list, &wdev_list);
- }
+ list_splice_init(&local->interfaces, &unreg_list);
mutex_unlock(&local->iflist_mtx);
- unregister_netdevice_many(&unreg_list);
-
wiphy_lock(local->hw.wiphy);
- list_for_each_entry_safe(sdata, tmp, &wdev_list, list) {
+ list_for_each_entry_safe(sdata, tmp, &unreg_list, list) {
+ bool netdev = sdata->dev;
+
list_del(&sdata->list);
cfg80211_unregister_wdev(&sdata->wdev);
- kfree(sdata);
+
+ if (!netdev)
+ kfree(sdata);
}
wiphy_unlock(local->hw.wiphy);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-04 03:27:43 +0100