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-rw-r--r--net/wireless/core.c14
-rw-r--r--net/wireless/core.h7
-rw-r--r--net/wireless/mlme.c3
-rw-r--r--net/wireless/nl80211.c114
-rw-r--r--net/wireless/scan.c4
5 files changed, 99 insertions, 43 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 25bc2e50a061..64e861617110 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -1181,16 +1181,11 @@ void wiphy_rfkill_set_hw_state_reason(struct wiphy *wiphy, bool blocked,
}
EXPORT_SYMBOL(wiphy_rfkill_set_hw_state_reason);
-void cfg80211_cqm_config_free(struct wireless_dev *wdev)
-{
- kfree(wdev->cqm_config);
- wdev->cqm_config = NULL;
-}
-
static void _cfg80211_unregister_wdev(struct wireless_dev *wdev,
bool unregister_netdev)
{
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
+ struct cfg80211_cqm_config *cqm_config;
unsigned int link_id;
ASSERT_RTNL();
@@ -1227,7 +1222,10 @@ static void _cfg80211_unregister_wdev(struct wireless_dev *wdev,
kfree_sensitive(wdev->wext.keys);
wdev->wext.keys = NULL;
#endif
- cfg80211_cqm_config_free(wdev);
+ wiphy_work_cancel(wdev->wiphy, &wdev->cqm_rssi_work);
+ /* deleted from the list, so can't be found from nl80211 any more */
+ cqm_config = rcu_access_pointer(wdev->cqm_config);
+ kfree_rcu(cqm_config, rcu_head);
/*
* Ensure that all events have been processed and
@@ -1379,6 +1377,8 @@ void cfg80211_init_wdev(struct wireless_dev *wdev)
wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
#endif
+ wiphy_work_init(&wdev->cqm_rssi_work, cfg80211_cqm_rssi_notify_work);
+
if (wdev->wiphy->flags & WIPHY_FLAG_PS_ON_BY_DEFAULT)
wdev->ps = true;
else
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 507d184b8b40..ba9c7170afa4 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -295,12 +295,17 @@ struct cfg80211_beacon_registration {
};
struct cfg80211_cqm_config {
+ struct rcu_head rcu_head;
u32 rssi_hyst;
s32 last_rssi_event_value;
+ enum nl80211_cqm_rssi_threshold_event last_rssi_event_type;
int n_rssi_thresholds;
s32 rssi_thresholds[] __counted_by(n_rssi_thresholds);
};
+void cfg80211_cqm_rssi_notify_work(struct wiphy *wiphy,
+ struct wiphy_work *work);
+
void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev);
/* free object */
@@ -566,8 +571,6 @@ cfg80211_bss_update(struct cfg80211_registered_device *rdev,
#define CFG80211_DEV_WARN_ON(cond) ({bool __r = (cond); __r; })
#endif
-void cfg80211_cqm_config_free(struct wireless_dev *wdev);
-
void cfg80211_release_pmsr(struct wireless_dev *wdev, u32 portid);
void cfg80211_pmsr_wdev_down(struct wireless_dev *wdev);
void cfg80211_pmsr_free_wk(struct work_struct *work);
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 775cac4d6100..3e2c398abddc 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -52,7 +52,8 @@ void cfg80211_rx_assoc_resp(struct net_device *dev,
cr.links[link_id].bssid = data->links[link_id].bss->bssid;
cr.links[link_id].addr = data->links[link_id].addr;
/* need to have local link addresses for MLO connections */
- WARN_ON(cr.ap_mld_addr && !cr.links[link_id].addr);
+ WARN_ON(cr.ap_mld_addr &&
+ !is_valid_ether_addr(cr.links[link_id].addr));
BUG_ON(!cr.links[link_id].bss->channel);
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index de47838aca4f..931a03f4549c 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -5909,6 +5909,21 @@ out:
nlmsg_free(msg);
}
+static int nl80211_validate_ap_phy_operation(struct cfg80211_ap_settings *params)
+{
+ struct ieee80211_channel *channel = params->chandef.chan;
+
+ if ((params->he_cap || params->he_oper) &&
+ (channel->flags & IEEE80211_CHAN_NO_HE))
+ return -EOPNOTSUPP;
+
+ if ((params->eht_cap || params->eht_oper) &&
+ (channel->flags & IEEE80211_CHAN_NO_EHT))
+ return -EOPNOTSUPP;
+
+ return 0;
+}
+
static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
@@ -6178,6 +6193,10 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
if (err)
goto out_unlock;
+ err = nl80211_validate_ap_phy_operation(params);
+ if (err)
+ goto out_unlock;
+
if (info->attrs[NL80211_ATTR_AP_SETTINGS_FLAGS])
params->flags = nla_get_u32(
info->attrs[NL80211_ATTR_AP_SETTINGS_FLAGS]);
@@ -8482,7 +8501,7 @@ static int nl80211_update_mesh_config(struct sk_buff *skb,
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
struct wireless_dev *wdev = dev->ieee80211_ptr;
- struct mesh_config cfg;
+ struct mesh_config cfg = {};
u32 mask;
int err;
@@ -12796,7 +12815,8 @@ static int nl80211_set_cqm_txe(struct genl_info *info,
}
static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
- struct net_device *dev)
+ struct net_device *dev,
+ struct cfg80211_cqm_config *cqm_config)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
s32 last, low, high;
@@ -12805,7 +12825,7 @@ static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
int err;
/* RSSI reporting disabled? */
- if (!wdev->cqm_config)
+ if (!cqm_config)
return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
/*
@@ -12814,7 +12834,7 @@ static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
* connection is established and enough beacons received to calculate
* the average.
*/
- if (!wdev->cqm_config->last_rssi_event_value &&
+ if (!cqm_config->last_rssi_event_value &&
wdev->links[0].client.current_bss &&
rdev->ops->get_station) {
struct station_info sinfo = {};
@@ -12828,30 +12848,30 @@ static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
cfg80211_sinfo_release_content(&sinfo);
if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
- wdev->cqm_config->last_rssi_event_value =
+ cqm_config->last_rssi_event_value =
(s8) sinfo.rx_beacon_signal_avg;
}
- last = wdev->cqm_config->last_rssi_event_value;
- hyst = wdev->cqm_config->rssi_hyst;
- n = wdev->cqm_config->n_rssi_thresholds;
+ last = cqm_config->last_rssi_event_value;
+ hyst = cqm_config->rssi_hyst;
+ n = cqm_config->n_rssi_thresholds;
for (i = 0; i < n; i++) {
i = array_index_nospec(i, n);
- if (last < wdev->cqm_config->rssi_thresholds[i])
+ if (last < cqm_config->rssi_thresholds[i])
break;
}
low_index = i - 1;
if (low_index >= 0) {
low_index = array_index_nospec(low_index, n);
- low = wdev->cqm_config->rssi_thresholds[low_index] - hyst;
+ low = cqm_config->rssi_thresholds[low_index] - hyst;
} else {
low = S32_MIN;
}
if (i < n) {
i = array_index_nospec(i, n);
- high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1;
+ high = cqm_config->rssi_thresholds[i] + hyst - 1;
} else {
high = S32_MAX;
}
@@ -12864,6 +12884,7 @@ static int nl80211_set_cqm_rssi(struct genl_info *info,
u32 hysteresis)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct cfg80211_cqm_config *cqm_config = NULL, *old;
struct net_device *dev = info->user_ptr[1];
struct wireless_dev *wdev = dev->ieee80211_ptr;
int i, err;
@@ -12881,10 +12902,6 @@ static int nl80211_set_cqm_rssi(struct genl_info *info,
wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
return -EOPNOTSUPP;
- wdev_lock(wdev);
- cfg80211_cqm_config_free(wdev);
- wdev_unlock(wdev);
-
if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
return rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
@@ -12901,9 +12918,10 @@ static int nl80211_set_cqm_rssi(struct genl_info *info,
n_thresholds = 0;
wdev_lock(wdev);
- if (n_thresholds) {
- struct cfg80211_cqm_config *cqm_config;
+ old = rcu_dereference_protected(wdev->cqm_config,
+ lockdep_is_held(&wdev->mtx));
+ if (n_thresholds) {
cqm_config = kzalloc(struct_size(cqm_config, rssi_thresholds,
n_thresholds),
GFP_KERNEL);
@@ -12918,11 +12936,18 @@ static int nl80211_set_cqm_rssi(struct genl_info *info,
flex_array_size(cqm_config, rssi_thresholds,
n_thresholds));
- wdev->cqm_config = cqm_config;
+ rcu_assign_pointer(wdev->cqm_config, cqm_config);
+ } else {
+ RCU_INIT_POINTER(wdev->cqm_config, NULL);
}
- err = cfg80211_cqm_rssi_update(rdev, dev);
-
+ err = cfg80211_cqm_rssi_update(rdev, dev, cqm_config);
+ if (err) {
+ rcu_assign_pointer(wdev->cqm_config, old);
+ kfree_rcu(cqm_config, rcu_head);
+ } else {
+ kfree_rcu(old, rcu_head);
+ }
unlock:
wdev_unlock(wdev);
@@ -19073,9 +19098,8 @@ void cfg80211_cqm_rssi_notify(struct net_device *dev,
enum nl80211_cqm_rssi_threshold_event rssi_event,
s32 rssi_level, gfp_t gfp)
{
- struct sk_buff *msg;
struct wireless_dev *wdev = dev->ieee80211_ptr;
- struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
+ struct cfg80211_cqm_config *cqm_config;
trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
@@ -19083,18 +19107,41 @@ void cfg80211_cqm_rssi_notify(struct net_device *dev,
rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
return;
- if (wdev->cqm_config) {
- wdev->cqm_config->last_rssi_event_value = rssi_level;
+ rcu_read_lock();
+ cqm_config = rcu_dereference(wdev->cqm_config);
+ if (cqm_config) {
+ cqm_config->last_rssi_event_value = rssi_level;
+ cqm_config->last_rssi_event_type = rssi_event;
+ wiphy_work_queue(wdev->wiphy, &wdev->cqm_rssi_work);
+ }
+ rcu_read_unlock();
+}
+EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
- cfg80211_cqm_rssi_update(rdev, dev);
+void cfg80211_cqm_rssi_notify_work(struct wiphy *wiphy, struct wiphy_work *work)
+{
+ struct wireless_dev *wdev = container_of(work, struct wireless_dev,
+ cqm_rssi_work);
+ struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
+ enum nl80211_cqm_rssi_threshold_event rssi_event;
+ struct cfg80211_cqm_config *cqm_config;
+ struct sk_buff *msg;
+ s32 rssi_level;
- if (rssi_level == 0)
- rssi_level = wdev->cqm_config->last_rssi_event_value;
- }
+ wdev_lock(wdev);
+ cqm_config = rcu_dereference_protected(wdev->cqm_config,
+ lockdep_is_held(&wdev->mtx));
+ if (!wdev->cqm_config)
+ goto unlock;
- msg = cfg80211_prepare_cqm(dev, NULL, gfp);
+ cfg80211_cqm_rssi_update(rdev, wdev->netdev, cqm_config);
+
+ rssi_level = cqm_config->last_rssi_event_value;
+ rssi_event = cqm_config->last_rssi_event_type;
+
+ msg = cfg80211_prepare_cqm(wdev->netdev, NULL, GFP_KERNEL);
if (!msg)
- return;
+ goto unlock;
if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
rssi_event))
@@ -19104,14 +19151,15 @@ void cfg80211_cqm_rssi_notify(struct net_device *dev,
rssi_level))
goto nla_put_failure;
- cfg80211_send_cqm(msg, gfp);
+ cfg80211_send_cqm(msg, GFP_KERNEL);
- return;
+ goto unlock;
nla_put_failure:
nlmsg_free(msg);
+ unlock:
+ wdev_unlock(wdev);
}
-EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
void cfg80211_cqm_txe_notify(struct net_device *dev,
const u8 *peer, u32 num_packets,
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 0cf1ce7b6934..939deecf0bbe 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -908,6 +908,10 @@ static int cfg80211_scan_6ghz(struct cfg80211_registered_device *rdev)
!cfg80211_find_ssid_match(ap, request))
continue;
+ if (!is_broadcast_ether_addr(request->bssid) &&
+ !ether_addr_equal(request->bssid, ap->bssid))
+ continue;
+
if (!request->n_ssids && ap->multi_bss && !ap->transmitted_bssid)
continue;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 16:55:37 +0000