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-rw-r--r--net/wireless/Kconfig11
-rw-r--r--net/wireless/Makefile1
-rw-r--r--net/wireless/ap.c24
-rw-r--r--net/wireless/chan.c51
-rw-r--r--net/wireless/core.c43
-rw-r--r--net/wireless/core.h61
-rw-r--r--net/wireless/debugfs.c160
-rw-r--r--net/wireless/ibss.c76
-rw-r--r--net/wireless/lib80211_crypt_tkip.c12
-rw-r--r--net/wireless/mesh.c28
-rw-r--r--net/wireless/mlme.c23
-rw-r--r--net/wireless/nl80211.c568
-rw-r--r--net/wireless/nl80211.h7
-rw-r--r--net/wireless/ocb.c43
-rw-r--r--net/wireless/pmsr.c4
-rw-r--r--net/wireless/rdev-ops.h2
-rw-r--r--net/wireless/reg.c99
-rw-r--r--net/wireless/reg.h16
-rw-r--r--net/wireless/scan.c174
-rw-r--r--net/wireless/sme.c82
-rw-r--r--net/wireless/tests/Makefile3
-rw-r--r--net/wireless/tests/fragmentation.c157
-rw-r--r--net/wireless/tests/module.c10
-rw-r--r--net/wireless/trace.h88
-rw-r--r--net/wireless/util.c60
-rw-r--r--net/wireless/wext-compat.c47
-rw-r--r--net/wireless/wext-sme.c59
27 files changed, 1008 insertions, 901 deletions
diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig
index f620acd2a0..a9ac85e09a 100644
--- a/net/wireless/Kconfig
+++ b/net/wireless/Kconfig
@@ -201,6 +201,17 @@ config CFG80211_WEXT_EXPORT
Drivers should select this option if they require cfg80211's
wext compatibility symbols to be exported.
+config CFG80211_KUNIT_TEST
+ tristate "KUnit tests for cfg80211" if !KUNIT_ALL_TESTS
+ depends on KUNIT
+ depends on CFG80211
+ default KUNIT_ALL_TESTS
+ depends on !KERNEL_6_2
+ help
+ Enable this option to test cfg80211 functions with kunit.
+
+ If unsure, say N.
+
endif # CFG80211
config LIB80211
diff --git a/net/wireless/Makefile b/net/wireless/Makefile
index 527ae669f6..089c841528 100644
--- a/net/wireless/Makefile
+++ b/net/wireless/Makefile
@@ -4,6 +4,7 @@ obj-$(CONFIG_LIB80211) += lib80211.o
obj-$(CONFIG_LIB80211_CRYPT_WEP) += lib80211_crypt_wep.o
obj-$(CONFIG_LIB80211_CRYPT_CCMP) += lib80211_crypt_ccmp.o
obj-$(CONFIG_LIB80211_CRYPT_TKIP) += lib80211_crypt_tkip.o
+obj-y += tests/
obj-$(CONFIG_WEXT_CORE) += wext-core.o
obj-$(CONFIG_WEXT_PROC) += wext-proc.o
diff --git a/net/wireless/ap.c b/net/wireless/ap.c
index 0962770303..9a9a870806 100644
--- a/net/wireless/ap.c
+++ b/net/wireless/ap.c
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Parts of this file are
- * Copyright (C) 2022 Intel Corporation
+ * Copyright (C) 2022-2023 Intel Corporation
*/
#include <linux/ieee80211.h>
#include <linux/export.h>
@@ -18,7 +18,7 @@ static int ___cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
if (!rdev->ops->stop_ap)
return -EOPNOTSUPP;
@@ -52,9 +52,9 @@ static int ___cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
return err;
}
-int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
- struct net_device *dev, int link_id,
- bool notify)
+int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, int link_id,
+ bool notify)
{
unsigned int link;
int ret = 0;
@@ -72,17 +72,3 @@ int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
return ret;
}
-
-int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
- struct net_device *dev, int link_id,
- bool notify)
-{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
- int err;
-
- wdev_lock(wdev);
- err = __cfg80211_stop_ap(rdev, dev, link_id, notify);
- wdev_unlock(wdev);
-
- return err;
-}
diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index 0b7e81db38..2d21e423ab 100644
--- a/net/wireless/chan.c
+++ b/net/wireless/chan.c
@@ -6,7 +6,7 @@
*
* Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
- * Copyright 2018-2022 Intel Corporation
+ * Copyright 2018-2023 Intel Corporation
*/
#include <linux/export.h>
@@ -666,6 +666,7 @@ bool cfg80211_chandef_dfs_usable(struct wiphy *wiphy,
return (r1 + r2 > 0);
}
+EXPORT_SYMBOL(cfg80211_chandef_dfs_usable);
/*
* Checks if center frequency of chan falls with in the bandwidth
@@ -713,7 +714,7 @@ bool cfg80211_beaconing_iface_active(struct wireless_dev *wdev)
{
unsigned int link;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
switch (wdev->iftype) {
case NL80211_IFTYPE_AP:
@@ -782,18 +783,14 @@ static bool cfg80211_is_wiphy_oper_chan(struct wiphy *wiphy,
{
struct wireless_dev *wdev;
+ lockdep_assert_wiphy(wiphy);
+
list_for_each_entry(wdev, &wiphy->wdev_list, list) {
- wdev_lock(wdev);
- if (!cfg80211_beaconing_iface_active(wdev)) {
- wdev_unlock(wdev);
+ if (!cfg80211_beaconing_iface_active(wdev))
continue;
- }
- if (cfg80211_wdev_on_sub_chan(wdev, chan, false)) {
- wdev_unlock(wdev);
+ if (cfg80211_wdev_on_sub_chan(wdev, chan, false))
return true;
- }
- wdev_unlock(wdev);
}
return false;
@@ -823,14 +820,18 @@ bool cfg80211_any_wiphy_oper_chan(struct wiphy *wiphy,
if (!(chan->flags & IEEE80211_CHAN_RADAR))
return false;
- list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
+ for_each_rdev(rdev) {
+ bool found;
+
if (!reg_dfs_domain_same(wiphy, &rdev->wiphy))
continue;
- if (cfg80211_is_wiphy_oper_chan(&rdev->wiphy, chan))
- return true;
+ wiphy_lock(&rdev->wiphy);
+ found = cfg80211_is_wiphy_oper_chan(&rdev->wiphy, chan) ||
+ cfg80211_offchan_chain_is_active(rdev, chan);
+ wiphy_unlock(&rdev->wiphy);
- if (cfg80211_offchan_chain_is_active(rdev, chan))
+ if (found)
return true;
}
@@ -965,6 +966,7 @@ cfg80211_chandef_dfs_cac_time(struct wiphy *wiphy,
return max(t1, t2);
}
+EXPORT_SYMBOL(cfg80211_chandef_dfs_cac_time);
static bool cfg80211_secondary_chans_ok(struct wiphy *wiphy,
u32 center_freq, u32 bandwidth,
@@ -1162,8 +1164,7 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
if (!sband)
return false;
- for (i = 0; i < sband->n_iftype_data; i++) {
- iftd = &sband->iftype_data[i];
+ for_each_sband_iftype_data(sband, i, iftd) {
if (!iftd->eht_cap.has_eht)
continue;
@@ -1321,10 +1322,7 @@ static bool cfg80211_ir_permissive_chan(struct wiphy *wiphy,
list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
bool ret;
- wdev_lock(wdev);
ret = cfg80211_ir_permissive_check_wdev(iftype, wdev, chan);
- wdev_unlock(wdev);
-
if (ret)
return ret;
}
@@ -1433,17 +1431,10 @@ EXPORT_SYMBOL(cfg80211_any_usable_channels);
struct cfg80211_chan_def *wdev_chandef(struct wireless_dev *wdev,
unsigned int link_id)
{
- /*
- * We need to sort out the locking here - in some cases
- * where we get here we really just don't care (yet)
- * about the valid links, but in others we do. But we
- * get here with various driver cases, so we cannot
- * easily require the wdev mutex.
- */
- if (link_id || wdev->valid_links & BIT(0)) {
- ASSERT_WDEV_LOCK(wdev);
- WARN_ON(!(wdev->valid_links & BIT(link_id)));
- }
+ lockdep_assert_wiphy(wdev->wiphy);
+
+ WARN_ON(wdev->valid_links && !(wdev->valid_links & BIT(link_id)));
+ WARN_ON(!wdev->valid_links && link_id > 0);
switch (wdev->iftype) {
case NL80211_IFTYPE_MESH_POINT:
diff --git a/net/wireless/core.c b/net/wireless/core.c
index f6ada0a729..3fb1b63735 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -5,7 +5,7 @@
* Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright 2015-2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2022 Intel Corporation
+ * Copyright (C) 2018-2024 Intel Corporation
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -60,7 +60,7 @@ struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx)
ASSERT_RTNL();
- list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
+ for_each_rdev(rdev) {
if (rdev->wiphy_idx == wiphy_idx) {
result = rdev;
break;
@@ -116,7 +116,7 @@ static int cfg80211_dev_check_name(struct cfg80211_registered_device *rdev,
}
/* Ensure another device does not already have this name. */
- list_for_each_entry(rdev2, &cfg80211_rdev_list, list)
+ for_each_rdev(rdev2)
if (strcmp(newname, wiphy_name(&rdev2->wiphy)) == 0)
return -EINVAL;
@@ -191,13 +191,13 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
return err;
}
+ wiphy_lock(&rdev->wiphy);
list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
if (!wdev->netdev)
continue;
nl80211_notify_iface(rdev, wdev, NL80211_CMD_DEL_INTERFACE);
}
- wiphy_lock(&rdev->wiphy);
nl80211_notify_wiphy(rdev, NL80211_CMD_DEL_WIPHY);
wiphy_net_set(&rdev->wiphy, net);
@@ -206,13 +206,13 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
WARN_ON(err);
nl80211_notify_wiphy(rdev, NL80211_CMD_NEW_WIPHY);
- wiphy_unlock(&rdev->wiphy);
list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
if (!wdev->netdev)
continue;
nl80211_notify_iface(rdev, wdev, NL80211_CMD_NEW_INTERFACE);
}
+ wiphy_unlock(&rdev->wiphy);
return 0;
}
@@ -823,6 +823,7 @@ int wiphy_register(struct wiphy *wiphy)
/* sanity check supported bands/channels */
for (band = 0; band < NUM_NL80211_BANDS; band++) {
+ const struct ieee80211_sband_iftype_data *iftd;
u16 types = 0;
bool have_he = false;
@@ -879,14 +880,11 @@ int wiphy_register(struct wiphy *wiphy)
return -EINVAL;
}
- for (i = 0; i < sband->n_iftype_data; i++) {
- const struct ieee80211_sband_iftype_data *iftd;
+ for_each_sband_iftype_data(sband, i, iftd) {
bool has_ap, has_non_ap;
u32 ap_bits = BIT(NL80211_IFTYPE_AP) |
BIT(NL80211_IFTYPE_P2P_GO);
- iftd = &sband->iftype_data[i];
-
if (WARN_ON(!iftd->types_mask))
return -EINVAL;
if (WARN_ON(types & iftd->types_mask))
@@ -1278,14 +1276,13 @@ void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev,
rdev->num_running_monitor_ifaces += num;
}
-void __cfg80211_leave(struct cfg80211_registered_device *rdev,
- struct wireless_dev *wdev)
+void cfg80211_leave(struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev)
{
struct net_device *dev = wdev->netdev;
struct cfg80211_sched_scan_request *pos, *tmp;
lockdep_assert_held(&rdev->wiphy.mtx);
- ASSERT_WDEV_LOCK(wdev);
cfg80211_pmsr_wdev_down(wdev);
@@ -1293,7 +1290,7 @@ void __cfg80211_leave(struct cfg80211_registered_device *rdev,
switch (wdev->iftype) {
case NL80211_IFTYPE_ADHOC:
- __cfg80211_leave_ibss(rdev, dev, true);
+ cfg80211_leave_ibss(rdev, dev, true);
break;
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_STATION:
@@ -1313,14 +1310,14 @@ void __cfg80211_leave(struct cfg80211_registered_device *rdev,
WLAN_REASON_DEAUTH_LEAVING, true);
break;
case NL80211_IFTYPE_MESH_POINT:
- __cfg80211_leave_mesh(rdev, dev);
+ cfg80211_leave_mesh(rdev, dev);
break;
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
- __cfg80211_stop_ap(rdev, dev, -1, true);
+ cfg80211_stop_ap(rdev, dev, -1, true);
break;
case NL80211_IFTYPE_OCB:
- __cfg80211_leave_ocb(rdev, dev);
+ cfg80211_leave_ocb(rdev, dev);
break;
case NL80211_IFTYPE_P2P_DEVICE:
case NL80211_IFTYPE_NAN:
@@ -1338,14 +1335,6 @@ void __cfg80211_leave(struct cfg80211_registered_device *rdev,
}
}
-void cfg80211_leave(struct cfg80211_registered_device *rdev,
- struct wireless_dev *wdev)
-{
- wdev_lock(wdev);
- __cfg80211_leave(rdev, wdev);
- wdev_unlock(wdev);
-}
-
void cfg80211_stop_iface(struct wiphy *wiphy, struct wireless_dev *wdev,
gfp_t gfp)
{
@@ -1370,7 +1359,6 @@ EXPORT_SYMBOL(cfg80211_stop_iface);
void cfg80211_init_wdev(struct wireless_dev *wdev)
{
- mutex_init(&wdev->mtx);
INIT_LIST_HEAD(&wdev->event_list);
spin_lock_init(&wdev->event_lock);
INIT_LIST_HEAD(&wdev->mgmt_registrations);
@@ -1535,7 +1523,6 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
case NETDEV_UP:
wiphy_lock(&rdev->wiphy);
cfg80211_update_iface_num(rdev, wdev->iftype, 1);
- wdev_lock(wdev);
switch (wdev->iftype) {
#ifdef CONFIG_CFG80211_WEXT
case NL80211_IFTYPE_ADHOC:
@@ -1565,7 +1552,6 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
default:
break;
}
- wdev_unlock(wdev);
rdev->opencount++;
/*
@@ -1608,7 +1594,7 @@ static void __net_exit cfg80211_pernet_exit(struct net *net)
struct cfg80211_registered_device *rdev;
rtnl_lock();
- list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
+ for_each_rdev(rdev) {
if (net_eq(wiphy_net(&rdev->wiphy), net))
WARN_ON(cfg80211_switch_netns(rdev, &init_net));
}
@@ -1675,6 +1661,7 @@ void wiphy_delayed_work_queue(struct wiphy *wiphy,
unsigned long delay)
{
if (!delay) {
+ del_timer(&dwork->timer);
wiphy_work_queue(wiphy, &dwork->work);
return;
}
diff --git a/net/wireless/core.h b/net/wireless/core.h
index f0a3a23176..cb61d33d4f 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -160,6 +160,16 @@ extern struct workqueue_struct *cfg80211_wq;
extern struct list_head cfg80211_rdev_list;
extern int cfg80211_rdev_list_generation;
+/* This is constructed like this so it can be used in if/else */
+static inline int for_each_rdev_check_rtnl(void)
+{
+ ASSERT_RTNL();
+ return 0;
+}
+#define for_each_rdev(rdev) \
+ if (for_each_rdev_check_rtnl()) {} else \
+ list_for_each_entry(rdev, &cfg80211_rdev_list, list)
+
struct cfg80211_internal_bss {
struct list_head list;
struct list_head hidden_list;
@@ -225,22 +235,6 @@ void cfg80211_init_wdev(struct wireless_dev *wdev);
void cfg80211_register_wdev(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev);
-static inline void wdev_lock(struct wireless_dev *wdev)
- __acquires(wdev)
-{
- mutex_lock(&wdev->mtx);
- __acquire(wdev->mtx);
-}
-
-static inline void wdev_unlock(struct wireless_dev *wdev)
- __releases(wdev)
-{
- __release(wdev->mtx);
- mutex_unlock(&wdev->mtx);
-}
-
-#define ASSERT_WDEV_LOCK(wdev) lockdep_assert_held(&(wdev)->mtx)
-
static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev)
{
lockdep_assert_held(&rdev->wiphy.mtx);
@@ -276,7 +270,7 @@ struct cfg80211_event {
struct ieee80211_channel *channel;
} ij;
struct {
- u8 bssid[ETH_ALEN];
+ u8 peer_addr[ETH_ALEN];
const u8 *td_bitmap;
u8 td_bitmap_len;
} pa;
@@ -330,8 +324,6 @@ int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
struct cfg80211_ibss_params *params,
struct cfg80211_cached_keys *connkeys);
void cfg80211_clear_ibss(struct net_device *dev, bool nowext);
-int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
- struct net_device *dev, bool nowext);
int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
struct net_device *dev, bool nowext);
void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
@@ -346,8 +338,6 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
struct net_device *dev,
struct mesh_setup *setup,
const struct mesh_config *conf);
-int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
- struct net_device *dev);
int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
struct net_device *dev);
int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev,
@@ -355,21 +345,13 @@ int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev,
struct cfg80211_chan_def *chandef);
/* OCB */
-int __cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct ocb_setup *setup);
int cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
struct net_device *dev,
struct ocb_setup *setup);
-int __cfg80211_leave_ocb(struct cfg80211_registered_device *rdev,
- struct net_device *dev);
int cfg80211_leave_ocb(struct cfg80211_registered_device *rdev,
struct net_device *dev);
/* AP */
-int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
- struct net_device *dev, int link,
- bool notify);
int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
struct net_device *dev, int link,
bool notify);
@@ -423,7 +405,7 @@ int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
bool wextev);
void __cfg80211_roamed(struct wireless_dev *wdev,
struct cfg80211_roam_info *info);
-void __cfg80211_port_authorized(struct wireless_dev *wdev, const u8 *bssid,
+void __cfg80211_port_authorized(struct wireless_dev *wdev, const u8 *peer_addr,
const u8 *td_bitmap, u8 td_bitmap_len);
int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev);
@@ -476,29 +458,12 @@ int cfg80211_scan(struct cfg80211_registered_device *rdev);
extern struct work_struct cfg80211_disconnect_work;
-/**
- * cfg80211_chandef_dfs_usable - checks if chandef is DFS usable
- * @wiphy: the wiphy to validate against
- * @chandef: the channel definition to check
- *
- * Checks if chandef is usable and we can/need start CAC on such channel.
- *
- * Return: true if all channels available and at least
- * one channel requires CAC (NL80211_DFS_USABLE)
- */
-bool cfg80211_chandef_dfs_usable(struct wiphy *wiphy,
- const struct cfg80211_chan_def *chandef);
-
void cfg80211_set_dfs_state(struct wiphy *wiphy,
const struct cfg80211_chan_def *chandef,
enum nl80211_dfs_state dfs_state);
void cfg80211_dfs_channels_update_work(struct work_struct *work);
-unsigned int
-cfg80211_chandef_dfs_cac_time(struct wiphy *wiphy,
- const struct cfg80211_chan_def *chandef);
-
void cfg80211_sched_dfs_chan_update(struct cfg80211_registered_device *rdev);
int
@@ -547,8 +512,6 @@ int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev,
enum nl80211_iftype iftype, int num);
-void __cfg80211_leave(struct cfg80211_registered_device *rdev,
- struct wireless_dev *wdev);
void cfg80211_leave(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev);
diff --git a/net/wireless/debugfs.c b/net/wireless/debugfs.c
index 0878b16289..40e49074e2 100644
--- a/net/wireless/debugfs.c
+++ b/net/wireless/debugfs.c
@@ -4,6 +4,7 @@
*
* Copyright 2009 Luis R. Rodriguez <lrodriguez@atheros.com>
* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
+ * Copyright (C) 2023 Intel Corporation
*/
#include <linux/slab.h>
@@ -109,3 +110,162 @@ void cfg80211_debugfs_rdev_add(struct cfg80211_registered_device *rdev)
DEBUGFS_ADD(long_retry_limit);
DEBUGFS_ADD(ht40allow_map);
}
+
+struct debugfs_read_work {
+ struct wiphy_work work;
+ ssize_t (*handler)(struct wiphy *wiphy,
+ struct file *file,
+ char *buf,
+ size_t count,
+ void *data);
+ struct wiphy *wiphy;
+ struct file *file;
+ char *buf;
+ size_t bufsize;
+ void *data;
+ ssize_t ret;
+ struct completion completion;
+};
+
+static void wiphy_locked_debugfs_read_work(struct wiphy *wiphy,
+ struct wiphy_work *work)
+{
+ struct debugfs_read_work *w = container_of(work, typeof(*w), work);
+
+ w->ret = w->handler(w->wiphy, w->file, w->buf, w->bufsize, w->data);
+ complete(&w->completion);
+}
+
+static void wiphy_locked_debugfs_read_cancel(struct dentry *dentry,
+ void *data)
+{
+ struct debugfs_read_work *w = data;
+
+ wiphy_work_cancel(w->wiphy, &w->work);
+ complete(&w->completion);
+}
+
+ssize_t wiphy_locked_debugfs_read(struct wiphy *wiphy, struct file *file,
+ char *buf, size_t bufsize,
+ char __user *userbuf, size_t count,
+ loff_t *ppos,
+ ssize_t (*handler)(struct wiphy *wiphy,
+ struct file *file,
+ char *buf,
+ size_t bufsize,
+ void *data),
+ void *data)
+{
+ struct debugfs_read_work work = {
+ .handler = handler,
+ .wiphy = wiphy,
+ .file = file,
+ .buf = buf,
+ .bufsize = bufsize,
+ .data = data,
+ .ret = -ENODEV,
+ .completion = COMPLETION_INITIALIZER_ONSTACK(work.completion),
+ };
+ struct debugfs_cancellation cancellation = {
+ .cancel = wiphy_locked_debugfs_read_cancel,
+ .cancel_data = &work,
+ };
+
+ /* don't leak stack data or whatever */
+ memset(buf, 0, bufsize);
+
+ wiphy_work_init(&work.work, wiphy_locked_debugfs_read_work);
+ wiphy_work_queue(wiphy, &work.work);
+
+ debugfs_enter_cancellation(file, &cancellation);
+ wait_for_completion(&work.completion);
+ debugfs_leave_cancellation(file, &cancellation);
+
+ if (work.ret < 0)
+ return work.ret;
+
+ if (WARN_ON(work.ret > bufsize))
+ return -EINVAL;
+
+ return simple_read_from_buffer(userbuf, count, ppos, buf, work.ret);
+}
+EXPORT_SYMBOL_GPL(wiphy_locked_debugfs_read);
+
+struct debugfs_write_work {
+ struct wiphy_work work;
+ ssize_t (*handler)(struct wiphy *wiphy,
+ struct file *file,
+ char *buf,
+ size_t count,
+ void *data);
+ struct wiphy *wiphy;
+ struct file *file;
+ char *buf;
+ size_t count;
+ void *data;
+ ssize_t ret;
+ struct completion completion;
+};
+
+static void wiphy_locked_debugfs_write_work(struct wiphy *wiphy,
+ struct wiphy_work *work)
+{
+ struct debugfs_write_work *w = container_of(work, typeof(*w), work);
+
+ w->ret = w->handler(w->wiphy, w->file, w->buf, w->count, w->data);
+ complete(&w->completion);
+}
+
+static void wiphy_locked_debugfs_write_cancel(struct dentry *dentry,
+ void *data)
+{
+ struct debugfs_write_work *w = data;
+
+ wiphy_work_cancel(w->wiphy, &w->work);
+ complete(&w->completion);
+}
+
+ssize_t wiphy_locked_debugfs_write(struct wiphy *wiphy,
+ struct file *file, char *buf, size_t bufsize,
+ const char __user *userbuf, size_t count,
+ ssize_t (*handler)(struct wiphy *wiphy,
+ struct file *file,
+ char *buf,
+ size_t count,
+ void *data),
+ void *data)
+{
+ struct debugfs_write_work work = {
+ .handler = handler,
+ .wiphy = wiphy,
+ .file = file,
+ .buf = buf,
+ .count = count,
+ .data = data,
+ .ret = -ENODEV,
+ .completion = COMPLETION_INITIALIZER_ONSTACK(work.completion),
+ };
+ struct debugfs_cancellation cancellation = {
+ .cancel = wiphy_locked_debugfs_write_cancel,
+ .cancel_data = &work,
+ };
+
+ /* mostly used for strings so enforce NUL-termination for safety */
+ if (count >= bufsize)
+ return -EINVAL;
+
+ memset(buf, 0, bufsize);
+
+ if (copy_from_user(buf, userbuf, count))
+ return -EFAULT;
+
+ wiphy_work_init(&work.work, wiphy_locked_debugfs_write_work);
+ wiphy_work_queue(wiphy, &work.work);
+
+ debugfs_enter_cancellation(file, &cancellation);
+ wait_for_completion(&work.completion);
+ debugfs_leave_cancellation(file, &cancellation);
+
+ return work.ret;
+}
+EXPORT_SYMBOL_GPL(wiphy_locked_debugfs_write);
diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c
index e6fdb0b818..9f02ee5f08 100644
--- a/net/wireless/ibss.c
+++ b/net/wireless/ibss.c
@@ -3,7 +3,7 @@
* Some IBSS support code for cfg80211.
*
* Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
- * Copyright (C) 2020-2022 Intel Corporation
+ * Copyright (C) 2020-2023 Intel Corporation
*/
#include <linux/etherdevice.h>
@@ -93,7 +93,6 @@ int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
int err;
lockdep_assert_held(&rdev->wiphy.mtx);
- ASSERT_WDEV_LOCK(wdev);
if (wdev->u.ibss.ssid_len)
return -EALREADY;
@@ -151,13 +150,13 @@ int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
return 0;
}
-static void __cfg80211_clear_ibss(struct net_device *dev, bool nowext)
+void cfg80211_clear_ibss(struct net_device *dev, bool nowext)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
int i;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
kfree_sensitive(wdev->connect_keys);
wdev->connect_keys = NULL;
@@ -187,22 +186,13 @@ static void __cfg80211_clear_ibss(struct net_device *dev, bool nowext)
cfg80211_sched_dfs_chan_update(rdev);
}
-void cfg80211_clear_ibss(struct net_device *dev, bool nowext)
-{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
-
- wdev_lock(wdev);
- __cfg80211_clear_ibss(dev, nowext);
- wdev_unlock(wdev);
-}
-
-int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
- struct net_device *dev, bool nowext)
+int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, bool nowext)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
if (!wdev->u.ibss.ssid_len)
return -ENOLINK;
@@ -213,24 +203,11 @@ int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
return err;
wdev->conn_owner_nlportid = 0;
- __cfg80211_clear_ibss(dev, nowext);
+ cfg80211_clear_ibss(dev, nowext);
return 0;
}
-int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
- struct net_device *dev, bool nowext)
-{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
- int err;
-
- wdev_lock(wdev);
- err = __cfg80211_leave_ibss(rdev, dev, nowext);
- wdev_unlock(wdev);
-
- return err;
-}
-
#ifdef CONFIG_CFG80211_WEXT
int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev)
@@ -239,7 +216,7 @@ int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
enum nl80211_band band;
int i, err;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
if (!wdev->wext.ibss.beacon_interval)
wdev->wext.ibss.beacon_interval = 100;
@@ -336,11 +313,9 @@ int cfg80211_ibss_wext_siwfreq(struct net_device *dev,
if (wdev->wext.ibss.chandef.chan == chan)
return 0;
- wdev_lock(wdev);
err = 0;
if (wdev->u.ibss.ssid_len)
- err = __cfg80211_leave_ibss(rdev, dev, true);
- wdev_unlock(wdev);
+ err = cfg80211_leave_ibss(rdev, dev, true);
if (err)
return err;
@@ -354,11 +329,7 @@ int cfg80211_ibss_wext_siwfreq(struct net_device *dev,
wdev->wext.ibss.channel_fixed = false;
}
- wdev_lock(wdev);
- err = cfg80211_ibss_wext_join(rdev, wdev);
- wdev_unlock(wdev);
-
- return err;
+ return cfg80211_ibss_wext_join(rdev, wdev);
}
int cfg80211_ibss_wext_giwfreq(struct net_device *dev,
@@ -372,12 +343,10 @@ int cfg80211_ibss_wext_giwfreq(struct net_device *dev,
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC))
return -EINVAL;
- wdev_lock(wdev);
if (wdev->u.ibss.current_bss)
chan = wdev->u.ibss.current_bss->pub.channel;
else if (wdev->wext.ibss.chandef.chan)
chan = wdev->wext.ibss.chandef.chan;
- wdev_unlock(wdev);
if (chan) {
freq->m = chan->center_freq;
@@ -405,11 +374,9 @@ int cfg80211_ibss_wext_siwessid(struct net_device *dev,
if (!rdev->ops->join_ibss)
return -EOPNOTSUPP;
- wdev_lock(wdev);
err = 0;
if (wdev->u.ibss.ssid_len)
- err = __cfg80211_leave_ibss(rdev, dev, true);
- wdev_unlock(wdev);
+ err = cfg80211_leave_ibss(rdev, dev, true);
if (err)
return err;
@@ -422,11 +389,7 @@ int cfg80211_ibss_wext_siwessid(struct net_device *dev,
wdev->wext.ibss.ssid = wdev->u.ibss.ssid;
wdev->wext.ibss.ssid_len = len;
- wdev_lock(wdev);
- err = cfg80211_ibss_wext_join(rdev, wdev);
- wdev_unlock(wdev);
-
- return err;
+ return cfg80211_ibss_wext_join(rdev, wdev);
}
int cfg80211_ibss_wext_giwessid(struct net_device *dev,
@@ -441,7 +404,6 @@ int cfg80211_ibss_wext_giwessid(struct net_device *dev,
data->flags = 0;
- wdev_lock(wdev);
if (wdev->u.ibss.ssid_len) {
data->flags = 1;
data->length = wdev->u.ibss.ssid_len;
@@ -451,7 +413,6 @@ int cfg80211_ibss_wext_giwessid(struct net_device *dev,
data->length = wdev->wext.ibss.ssid_len;
memcpy(ssid, wdev->wext.ibss.ssid, data->length);
}
- wdev_unlock(wdev);
return 0;
}
@@ -491,11 +452,9 @@ int cfg80211_ibss_wext_siwap(struct net_device *dev,
ether_addr_equal(bssid, wdev->wext.ibss.bssid))
return 0;
- wdev_lock(wdev);
err = 0;
if (wdev->u.ibss.ssid_len)
- err = __cfg80211_leave_ibss(rdev, dev, true);
- wdev_unlock(wdev);
+ err = cfg80211_leave_ibss(rdev, dev, true);
if (err)
return err;
@@ -506,11 +465,7 @@ int cfg80211_ibss_wext_siwap(struct net_device *dev,
} else
wdev->wext.ibss.bssid = NULL;
- wdev_lock(wdev);
- err = cfg80211_ibss_wext_join(rdev, wdev);
- wdev_unlock(wdev);
-
- return err;
+ return cfg80211_ibss_wext_join(rdev, wdev);
}
int cfg80211_ibss_wext_giwap(struct net_device *dev,
@@ -525,7 +480,6 @@ int cfg80211_ibss_wext_giwap(struct net_device *dev,
ap_addr->sa_family = ARPHRD_ETHER;
- wdev_lock(wdev);
if (wdev->u.ibss.current_bss)
memcpy(ap_addr->sa_data, wdev->u.ibss.current_bss->pub.bssid,
ETH_ALEN);
@@ -534,8 +488,6 @@ int cfg80211_ibss_wext_giwap(struct net_device *dev,
else
eth_zero_addr(ap_addr->sa_data);
- wdev_unlock(wdev);
-
return 0;
}
#endif
diff --git a/net/wireless/lib80211_crypt_tkip.c b/net/wireless/lib80211_crypt_tkip.c
index 1b4d6c87a5..5c8cdf7681 100644
--- a/net/wireless/lib80211_crypt_tkip.c
+++ b/net/wireless/lib80211_crypt_tkip.c
@@ -662,12 +662,12 @@ static int lib80211_tkip_get_key(void *key, int len, u8 * seq, void *priv)
memcpy(key, tkey->key, TKIP_KEY_LEN);
if (seq) {
- /* Return the sequence number of the last transmitted frame. */
- u16 iv16 = tkey->tx_iv16;
- u32 iv32 = tkey->tx_iv32;
- if (iv16 == 0)
- iv32--;
- iv16--;
+ /*
+ * Not clear if this should return the value as is
+ * or - as the code previously seemed to partially
+ * have been written as - subtract one from it. It
+ * was working this way for a long time so leave it.
+ */
seq[0] = tkey->tx_iv16;
seq[1] = tkey->tx_iv16 >> 8;
seq[2] = tkey->tx_iv32;
diff --git a/net/wireless/mesh.c b/net/wireless/mesh.c
index 59a3c5c092..83306979fb 100644
--- a/net/wireless/mesh.c
+++ b/net/wireless/mesh.c
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Portions
- * Copyright (C) 2022 Intel Corporation
+ * Copyright (C) 2022-2023 Intel Corporation
*/
#include <linux/ieee80211.h>
#include <linux/export.h>
@@ -109,7 +109,7 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != IEEE80211_MAX_MESH_ID_LEN);
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
return -EOPNOTSUPP;
@@ -172,7 +172,6 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
* basic rates
*/
if (!setup->basic_rates) {
- enum nl80211_bss_scan_width scan_width;
struct ieee80211_supported_band *sband =
rdev->wiphy.bands[setup->chandef.chan->band];
@@ -193,9 +192,7 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
}
}
} else {
- scan_width = cfg80211_chandef_to_scan_width(&setup->chandef);
- setup->basic_rates = ieee80211_mandatory_rates(sband,
- scan_width);
+ setup->basic_rates = ieee80211_mandatory_rates(sband);
}
}
@@ -257,13 +254,13 @@ int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev,
return 0;
}
-int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
- struct net_device *dev)
+int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
+ struct net_device *dev)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
return -EOPNOTSUPP;
@@ -287,16 +284,3 @@ int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
return err;
}
-
-int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
- struct net_device *dev)
-{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
- int err;
-
- wdev_lock(wdev);
- err = __cfg80211_leave_mesh(rdev, dev);
- wdev_unlock(wdev);
-
- return err;
-}
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 55a1d36338..bad9e4fd84 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -4,7 +4,7 @@
*
* Copyright (c) 2009, Jouni Malinen <j@w1.fi>
* Copyright (c) 2015 Intel Deutschland GmbH
- * Copyright (C) 2019-2020, 2022 Intel Corporation
+ * Copyright (C) 2019-2020, 2022-2023 Intel Corporation
*/
#include <linux/kernel.h>
@@ -22,7 +22,7 @@
void cfg80211_rx_assoc_resp(struct net_device *dev,
- struct cfg80211_rx_assoc_resp *data)
+ struct cfg80211_rx_assoc_resp_data *data)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct wiphy *wiphy = wdev->wiphy;
@@ -151,7 +151,7 @@ void cfg80211_rx_mlme_mgmt(struct net_device *dev, const u8 *buf, size_t len)
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct ieee80211_mgmt *mgmt = (void *)buf;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
trace_cfg80211_rx_mlme_mgmt(dev, buf, len);
@@ -216,7 +216,7 @@ void cfg80211_tx_mlme_mgmt(struct net_device *dev, const u8 *buf, size_t len,
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct ieee80211_mgmt *mgmt = (void *)buf;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
trace_cfg80211_tx_mlme_mgmt(dev, buf, len, reconnect);
@@ -264,7 +264,7 @@ int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
if (!req->bss)
return -ENOENT;
@@ -333,7 +333,7 @@ int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err, i, j;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
for (i = 1; i < ARRAY_SIZE(req->links); i++) {
if (!req->links[i].bss)
@@ -395,7 +395,7 @@ int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
.local_state_change = local_state_change,
};
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
if (local_state_change &&
(!wdev->connected ||
@@ -425,7 +425,7 @@ int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
};
int err;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
if (!wdev->connected)
return -ENOTCONN;
@@ -448,7 +448,7 @@ void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev = dev->ieee80211_ptr;
u8 bssid[ETH_ALEN];
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
if (!rdev->ops->deauth)
return;
@@ -728,6 +728,8 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
const struct ieee80211_mgmt *mgmt;
u16 stype;
+ lockdep_assert_wiphy(&rdev->wiphy);
+
if (!wdev->wiphy->mgmt_stypes)
return -EOPNOTSUPP;
@@ -750,8 +752,6 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
mgmt->u.action.category != WLAN_CATEGORY_PUBLIC) {
int err = 0;
- wdev_lock(wdev);
-
switch (wdev->iftype) {
case NL80211_IFTYPE_ADHOC:
/*
@@ -816,7 +816,6 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
err = -EOPNOTSUPP;
break;
}
- wdev_unlock(wdev);
if (err)
return err;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 0b0dfecedc..fbf95b7ff6 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -106,7 +106,7 @@ __cfg80211_wdev_from_attrs(struct cfg80211_registered_device *rdev,
ASSERT_RTNL();
- list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
+ for_each_rdev(rdev) {
struct wireless_dev *wdev;
if (wiphy_net(&rdev->wiphy) != netns)
@@ -463,7 +463,7 @@ nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
[NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
};
-static struct netlink_range_validation nl80211_punct_bitmap_range = {
+static const struct netlink_range_validation nl80211_punct_bitmap_range = {
.min = 0,
.max = 0xffff,
};
@@ -1115,6 +1115,10 @@ static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_OFFSET, chan->freq_offset))
goto nla_put_failure;
+ if ((chan->flags & IEEE80211_CHAN_PSD) &&
+ nla_put_s8(msg, NL80211_FREQUENCY_ATTR_PSD, chan->psd))
+ goto nla_put_failure;
+
if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
goto nla_put_failure;
@@ -1544,7 +1548,7 @@ nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
static int nl80211_key_allowed(struct wireless_dev *wdev)
{
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
switch (wdev->iftype) {
case NL80211_IFTYPE_AP:
@@ -1913,20 +1917,20 @@ static int nl80211_send_band_rateinfo(struct sk_buff *msg,
struct nlattr *nl_iftype_data =
nla_nest_start_noflag(msg,
NL80211_BAND_ATTR_IFTYPE_DATA);
+ const struct ieee80211_sband_iftype_data *iftd;
int err;
if (!nl_iftype_data)
return -ENOBUFS;
- for (i = 0; i < sband->n_iftype_data; i++) {
+ for_each_sband_iftype_data(sband, i, iftd) {
struct nlattr *iftdata;
iftdata = nla_nest_start_noflag(msg, i + 1);
if (!iftdata)
return -ENOBUFS;
- err = nl80211_send_iftype_data(msg, sband,
- &sband->iftype_data[i]);
+ err = nl80211_send_iftype_data(msg, sband, iftd);
if (err)
return err;
@@ -3075,7 +3079,7 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
cb->args[0] = (long)state;
}
- list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
+ for_each_rdev(rdev) {
if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
continue;
if (++idx <= state->start)
@@ -3423,13 +3427,8 @@ static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
struct cfg80211_registered_device *rdev = info->user_ptr[0];
int link_id = nl80211_link_id_or_invalid(info->attrs);
struct net_device *netdev = info->user_ptr[1];
- int ret;
-
- wdev_lock(netdev->ieee80211_ptr);
- ret = __nl80211_set_channel(rdev, netdev, info, link_id);
- wdev_unlock(netdev->ieee80211_ptr);
- return ret;
+ return __nl80211_set_channel(rdev, netdev, info, link_id);
}
static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
@@ -3536,7 +3535,6 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
txq_params.link_id =
nl80211_link_id_or_invalid(info->attrs);
- wdev_lock(netdev->ieee80211_ptr);
if (txq_params.link_id >= 0 &&
!(netdev->ieee80211_ptr->valid_links &
BIT(txq_params.link_id)))
@@ -3547,7 +3545,6 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
else
result = rdev_set_txq_params(rdev, netdev,
&txq_params);
- wdev_unlock(netdev->ieee80211_ptr);
if (result)
goto out;
}
@@ -3557,12 +3554,10 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
int link_id = nl80211_link_id_or_invalid(info->attrs);
if (wdev) {
- wdev_lock(wdev);
result = __nl80211_set_channel(
rdev,
nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
info, link_id);
- wdev_unlock(wdev);
} else {
result = __nl80211_set_channel(rdev, netdev, info, link_id);
}
@@ -3827,6 +3822,8 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flag
struct net_device *dev = wdev->netdev;
void *hdr;
+ lockdep_assert_wiphy(&rdev->wiphy);
+
WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
cmd != NL80211_CMD_DEL_INTERFACE &&
cmd != NL80211_CMD_SET_INTERFACE);
@@ -3870,33 +3867,31 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flag
goto nla_put_failure;
}
- wdev_lock(wdev);
switch (wdev->iftype) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
if (wdev->u.ap.ssid_len &&
nla_put(msg, NL80211_ATTR_SSID, wdev->u.ap.ssid_len,
wdev->u.ap.ssid))
- goto nla_put_failure_locked;
+ goto nla_put_failure;
break;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
if (wdev->u.client.ssid_len &&
nla_put(msg, NL80211_ATTR_SSID, wdev->u.client.ssid_len,
wdev->u.client.ssid))
- goto nla_put_failure_locked;
+ goto nla_put_failure;
break;
case NL80211_IFTYPE_ADHOC:
if (wdev->u.ibss.ssid_len &&
nla_put(msg, NL80211_ATTR_SSID, wdev->u.ibss.ssid_len,
wdev->u.ibss.ssid))
- goto nla_put_failure_locked;
+ goto nla_put_failure;
break;
default:
/* nothing */
break;
}
- wdev_unlock(wdev);
if (rdev->ops->get_txq_stats) {
struct cfg80211_txq_stats txqstats = {};
@@ -3943,8 +3938,6 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flag
genlmsg_end(msg, hdr);
return 0;
- nla_put_failure_locked:
- wdev_unlock(wdev);
nla_put_failure:
genlmsg_cancel(msg, hdr);
return -EMSGSIZE;
@@ -3985,7 +3978,7 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *
filter_wiphy = cb->args[2] - 1;
}
- list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
+ for_each_rdev(rdev) {
if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
continue;
if (wp_idx < wp_start) {
@@ -3998,6 +3991,7 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *
if_idx = 0;
+ wiphy_lock(&rdev->wiphy);
list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
if (if_idx < if_start) {
if_idx++;
@@ -4007,11 +4001,14 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *
cb->nlh->nlmsg_seq, NLM_F_MULTI,
rdev, wdev,
NL80211_CMD_NEW_INTERFACE) < 0) {
+ wiphy_unlock(&rdev->wiphy);
goto out;
}
if_idx++;
}
+ wiphy_unlock(&rdev->wiphy);
+ if_start = 0;
wp_idx++;
}
out:
@@ -4191,7 +4188,6 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
if (netif_running(dev))
return -EBUSY;
- wdev_lock(wdev);
BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
IEEE80211_MAX_MESH_ID_LEN);
wdev->u.mesh.id_up_len =
@@ -4199,7 +4195,6 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
memcpy(wdev->u.mesh.id,
nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
wdev->u.mesh.id_up_len);
- wdev_unlock(wdev);
}
if (info->attrs[NL80211_ATTR_4ADDR]) {
@@ -4300,7 +4295,6 @@ static int _nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
case NL80211_IFTYPE_MESH_POINT:
if (!info->attrs[NL80211_ATTR_MESH_ID])
break;
- wdev_lock(wdev);
BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
IEEE80211_MAX_MESH_ID_LEN);
wdev->u.mesh.id_up_len =
@@ -4308,7 +4302,6 @@ static int _nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
memcpy(wdev->u.mesh.id,
nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
wdev->u.mesh.id_up_len);
- wdev_unlock(wdev);
break;
case NL80211_IFTYPE_NAN:
case NL80211_IFTYPE_P2P_DEVICE:
@@ -4599,79 +4592,67 @@ static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
!(key.p.mode == NL80211_KEY_SET_TX))
return -EINVAL;
- wdev_lock(wdev);
-
if (key.def) {
- if (!rdev->ops->set_default_key) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (!rdev->ops->set_default_key)
+ return -EOPNOTSUPP;
err = nl80211_key_allowed(wdev);
if (err)
- goto out;
+ return err;
err = nl80211_validate_key_link_id(info, wdev, link_id, false);
if (err)
- goto out;
+ return err;
err = rdev_set_default_key(rdev, dev, link_id, key.idx,
key.def_uni, key.def_multi);
if (err)
- goto out;
+ return err;
#ifdef CONFIG_CFG80211_WEXT
wdev->wext.default_key = key.idx;
#endif
+ return 0;
} else if (key.defmgmt) {
- if (key.def_uni || !key.def_multi) {
- err = -EINVAL;
- goto out;
- }
+ if (key.def_uni || !key.def_multi)
+ return -EINVAL;
- if (!rdev->ops->set_default_mgmt_key) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (!rdev->ops->set_default_mgmt_key)
+ return -EOPNOTSUPP;
err = nl80211_key_allowed(wdev);
if (err)
- goto out;
+ return err;
err = nl80211_validate_key_link_id(info, wdev, link_id, false);
if (err)
- goto out;
+ return err;
err = rdev_set_default_mgmt_key(rdev, dev, link_id, key.idx);
if (err)
- goto out;
+ return err;
#ifdef CONFIG_CFG80211_WEXT
wdev->wext.default_mgmt_key = key.idx;
#endif
+ return 0;
} else if (key.defbeacon) {
- if (key.def_uni || !key.def_multi) {
- err = -EINVAL;
- goto out;
- }
+ if (key.def_uni || !key.def_multi)
+ return -EINVAL;
- if (!rdev->ops->set_default_beacon_key) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (!rdev->ops->set_default_beacon_key)
+ return -EOPNOTSUPP;
err = nl80211_key_allowed(wdev);
if (err)
- goto out;
+ return err;
err = nl80211_validate_key_link_id(info, wdev, link_id, false);
if (err)
- goto out;
+ return err;
- err = rdev_set_default_beacon_key(rdev, dev, link_id, key.idx);
- if (err)
- goto out;
+ return rdev_set_default_beacon_key(rdev, dev, link_id, key.idx);
} else if (key.p.mode == NL80211_KEY_SET_TX &&
wiphy_ext_feature_isset(&rdev->wiphy,
NL80211_EXT_FEATURE_EXT_KEY_ID)) {
@@ -4680,25 +4661,19 @@ static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
if (info->attrs[NL80211_ATTR_MAC])
mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
- if (!mac_addr || key.idx < 0 || key.idx > 1) {
- err = -EINVAL;
- goto out;
- }
+ if (!mac_addr || key.idx < 0 || key.idx > 1)
+ return -EINVAL;
err = nl80211_validate_key_link_id(info, wdev, link_id, true);
if (err)
- goto out;
+ return err;
- err = rdev_add_key(rdev, dev, link_id, key.idx,
- NL80211_KEYTYPE_PAIRWISE,
- mac_addr, &key.p);
- } else {
- err = -EINVAL;
+ return rdev_add_key(rdev, dev, link_id, key.idx,
+ NL80211_KEYTYPE_PAIRWISE,
+ mac_addr, &key.p);
}
- out:
- wdev_unlock(wdev);
- return err;
+ return -EINVAL;
}
static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
@@ -4751,7 +4726,6 @@ static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
return -EINVAL;
}
- wdev_lock(wdev);
err = nl80211_key_allowed(wdev);
if (err)
GENL_SET_ERR_MSG(info, "key not allowed");
@@ -4767,7 +4741,6 @@ static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
if (err)
GENL_SET_ERR_MSG(info, "key addition failed");
}
- wdev_unlock(wdev);
return err;
}
@@ -4808,7 +4781,6 @@ static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
if (!rdev->ops->del_key)
return -EOPNOTSUPP;
- wdev_lock(wdev);
err = nl80211_key_allowed(wdev);
if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
@@ -4832,7 +4804,6 @@ static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
wdev->wext.default_mgmt_key = -1;
}
#endif
- wdev_unlock(wdev);
return err;
}
@@ -5671,11 +5642,10 @@ static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
static int nl80211_parse_fils_discovery(struct cfg80211_registered_device *rdev,
struct nlattr *attrs,
- struct cfg80211_ap_settings *params)
+ struct cfg80211_fils_discovery *fd)
{
struct nlattr *tb[NL80211_FILS_DISCOVERY_ATTR_MAX + 1];
int ret;
- struct cfg80211_fils_discovery *fd = &params->fils_discovery;
if (!wiphy_ext_feature_isset(&rdev->wiphy,
NL80211_EXT_FEATURE_FILS_DISCOVERY))
@@ -5686,6 +5656,13 @@ static int nl80211_parse_fils_discovery(struct cfg80211_registered_device *rdev,
if (ret)
return ret;
+ if (!tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN] &&
+ !tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX] &&
+ !tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]) {
+ fd->update = true;
+ return 0;
+ }
+
if (!tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN] ||
!tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX] ||
!tb[NL80211_FILS_DISCOVERY_ATTR_TMPL])
@@ -5695,19 +5672,17 @@ static int nl80211_parse_fils_discovery(struct cfg80211_registered_device *rdev,
fd->tmpl = nla_data(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
fd->min_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN]);
fd->max_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX]);
-
+ fd->update = true;
return 0;
}
static int
nl80211_parse_unsol_bcast_probe_resp(struct cfg80211_registered_device *rdev,
struct nlattr *attrs,
- struct cfg80211_ap_settings *params)
+ struct cfg80211_unsol_bcast_probe_resp *presp)
{
struct nlattr *tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1];
int ret;
- struct cfg80211_unsol_bcast_probe_resp *presp =
- &params->unsol_bcast_probe_resp;
if (!wiphy_ext_feature_isset(&rdev->wiphy,
NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP))
@@ -5718,6 +5693,12 @@ nl80211_parse_unsol_bcast_probe_resp(struct cfg80211_registered_device *rdev,
if (ret)
return ret;
+ if (!tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] &&
+ !tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]) {
+ presp->update = true;
+ return 0;
+ }
+
if (!tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] ||
!tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL])
return -EINVAL;
@@ -5725,6 +5706,7 @@ nl80211_parse_unsol_bcast_probe_resp(struct cfg80211_registered_device *rdev,
presp->tmpl = nla_data(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
presp->tmpl_len = nla_len(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
presp->interval = nla_get_u32(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT]);
+ presp->update = true;
return 0;
}
@@ -6087,20 +6069,18 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
goto out;
}
- wdev_lock(wdev);
-
if (info->attrs[NL80211_ATTR_TX_RATES]) {
err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
NL80211_ATTR_TX_RATES,
&params->beacon_rate,
dev, false, link_id);
if (err)
- goto out_unlock;
+ goto out;
err = validate_beacon_tx_rate(rdev, params->chandef.chan->band,
&params->beacon_rate);
if (err)
- goto out_unlock;
+ goto out;
}
if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
@@ -6113,19 +6093,19 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
if (!(rdev->wiphy.features &
NL80211_FEATURE_STATIC_SMPS)) {
err = -EINVAL;
- goto out_unlock;
+ goto out;
}
break;
case NL80211_SMPS_DYNAMIC:
if (!(rdev->wiphy.features &
NL80211_FEATURE_DYNAMIC_SMPS)) {
err = -EINVAL;
- goto out_unlock;
+ goto out;
}
break;
default:
err = -EINVAL;
- goto out_unlock;
+ goto out;
}
} else {
params->smps_mode = NL80211_SMPS_OFF;
@@ -6134,7 +6114,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
params->pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
if (params->pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
err = -EOPNOTSUPP;
- goto out_unlock;
+ goto out;
}
if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
@@ -6142,7 +6122,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
if (IS_ERR(params->acl)) {
err = PTR_ERR(params->acl);
params->acl = NULL;
- goto out_unlock;
+ goto out;
}
}
@@ -6154,23 +6134,23 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
info->attrs[NL80211_ATTR_HE_OBSS_PD],
&params->he_obss_pd);
if (err)
- goto out_unlock;
+ goto out;
}
if (info->attrs[NL80211_ATTR_FILS_DISCOVERY]) {
err = nl80211_parse_fils_discovery(rdev,
info->attrs[NL80211_ATTR_FILS_DISCOVERY],
- params);
+ &params->fils_discovery);
if (err)
- goto out_unlock;
+ goto out;
}
if (info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP]) {
err = nl80211_parse_unsol_bcast_probe_resp(
rdev, info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP],
- params);
+ &params->unsol_bcast_probe_resp);
if (err)
- goto out_unlock;
+ goto out;
}
if (info->attrs[NL80211_ATTR_MBSSID_CONFIG]) {
@@ -6181,21 +6161,21 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
params->beacon.mbssid_ies->cnt :
0);
if (err)
- goto out_unlock;
+ goto out;
}
if (!params->mbssid_config.ema && params->beacon.rnr_ies) {
err = -EINVAL;
- goto out_unlock;
+ goto out;
}
err = nl80211_calculate_ap_params(params);
if (err)
- goto out_unlock;
+ goto out;
err = nl80211_validate_ap_phy_operation(params);
if (err)
- goto out_unlock;
+ goto out;
if (info->attrs[NL80211_ATTR_AP_SETTINGS_FLAGS])
params->flags = nla_get_u32(
@@ -6207,7 +6187,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
info->attrs[NL80211_ATTR_SOCKET_OWNER] &&
wdev->conn_owner_nlportid != info->snd_portid) {
err = -EINVAL;
- goto out_unlock;
+ goto out;
}
/* FIXME: validate MLO/link-id against driver capabilities */
@@ -6225,8 +6205,6 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
nl80211_send_ap_started(wdev, link_id);
}
-out_unlock:
- wdev_unlock(wdev);
out:
kfree(params->acl);
kfree(params->beacon.mbssid_ies);
@@ -6246,7 +6224,8 @@ static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
unsigned int link_id = nl80211_link_id(info->attrs);
struct net_device *dev = info->user_ptr[1];
struct wireless_dev *wdev = dev->ieee80211_ptr;
- struct cfg80211_beacon_data params;
+ struct cfg80211_ap_update *params;
+ struct nlattr *attr;
int err;
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
@@ -6259,17 +6238,37 @@ static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
if (!wdev->links[link_id].ap.beacon_interval)
return -EINVAL;
- err = nl80211_parse_beacon(rdev, info->attrs, &params, info->extack);
+ params = kzalloc(sizeof(*params), GFP_KERNEL);
+ if (!params)
+ return -ENOMEM;
+
+ err = nl80211_parse_beacon(rdev, info->attrs, &params->beacon,
+ info->extack);
if (err)
goto out;
- wdev_lock(wdev);
- err = rdev_change_beacon(rdev, dev, &params);
- wdev_unlock(wdev);
+ attr = info->attrs[NL80211_ATTR_FILS_DISCOVERY];
+ if (attr) {
+ err = nl80211_parse_fils_discovery(rdev, attr,
+ &params->fils_discovery);
+ if (err)
+ goto out;
+ }
+
+ attr = info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP];
+ if (attr) {
+ err = nl80211_parse_unsol_bcast_probe_resp(rdev, attr,
+ &params->unsol_bcast_probe_resp);
+ if (err)
+ goto out;
+ }
+
+ err = rdev_change_beacon(rdev, dev, params);
out:
- kfree(params.mbssid_ies);
- kfree(params.rnr_ies);
+ kfree(params->beacon.mbssid_ies);
+ kfree(params->beacon.rnr_ies);
+ kfree(params);
return err;
}
@@ -7324,9 +7323,7 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
}
/* driver will call cfg80211_check_station_change() */
- wdev_lock(dev->ieee80211_ptr);
err = rdev_change_station(rdev, dev, mac_addr, &params);
- wdev_unlock(dev->ieee80211_ptr);
out_put_vlan:
dev_put(params.vlan);
@@ -7594,7 +7591,6 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
/* be aware of params.vlan when changing code here */
- wdev_lock(dev->ieee80211_ptr);
if (wdev->valid_links) {
if (params.link_sta_params.link_id < 0) {
err = -EINVAL;
@@ -7612,7 +7608,6 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
}
err = rdev_add_station(rdev, dev, mac_addr, &params);
out:
- wdev_unlock(dev->ieee80211_ptr);
dev_put(params.vlan);
return err;
}
@@ -7622,7 +7617,6 @@ static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
struct station_del_parameters params;
- int ret;
memset(&params, 0, sizeof(params));
@@ -7670,11 +7664,7 @@ static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
}
- wdev_lock(dev->ieee80211_ptr);
- ret = rdev_del_station(rdev, dev, &params);
- wdev_unlock(dev->ieee80211_ptr);
-
- return ret;
+ return rdev_del_station(rdev, dev, &params);
}
static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
@@ -7993,9 +7983,7 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
{
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 bss_parameters params;
- int err;
memset(&params, 0, sizeof(params));
params.link_id = nl80211_link_id_or_invalid(info->attrs);
@@ -8058,11 +8046,7 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
return -EOPNOTSUPP;
- wdev_lock(wdev);
- err = rdev_change_bss(rdev, dev, &params);
- wdev_unlock(wdev);
-
- return err;
+ return rdev_change_bss(rdev, dev, &params);
}
static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
@@ -8133,13 +8117,11 @@ static int nl80211_get_mesh_config(struct sk_buff *skb,
if (!rdev->ops->get_mesh_config)
return -EOPNOTSUPP;
- wdev_lock(wdev);
/* If not connected, get default parameters */
if (!wdev->u.mesh.id_len)
memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
else
err = rdev_get_mesh_config(rdev, dev, &cur_params);
- wdev_unlock(wdev);
if (err)
return err;
@@ -8515,15 +8497,12 @@ static int nl80211_update_mesh_config(struct sk_buff *skb,
if (err)
return err;
- wdev_lock(wdev);
if (!wdev->u.mesh.id_len)
err = -ENOLINK;
if (!err)
err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
- wdev_unlock(wdev);
-
return err;
}
@@ -8578,6 +8557,11 @@ static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
reg_rule->dfs_cac_ms))
goto nla_put_failure;
+ if ((reg_rule->flags & NL80211_RRF_PSD) &&
+ nla_put_s8(msg, NL80211_ATTR_POWER_RULE_PSD,
+ reg_rule->psd))
+ goto nla_put_failure;
+
nla_nest_end(msg, nl_reg_rule);
}
@@ -9014,7 +8998,7 @@ static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev,
unsigned int link_id;
bool all_ok = true;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
if (!cfg80211_beaconing_iface_active(wdev))
return true;
@@ -9264,7 +9248,6 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
request->n_channels = i;
- wdev_lock(wdev);
for (i = 0; i < request->n_channels; i++) {
struct ieee80211_channel *chan = request->channels[i];
@@ -9273,12 +9256,10 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
continue;
if (!cfg80211_wdev_on_sub_chan(wdev, chan, true)) {
- wdev_unlock(wdev);
err = -EBUSY;
goto out_free;
}
}
- wdev_unlock(wdev);
i = 0;
if (n_ssids) {
@@ -10284,9 +10265,7 @@ skip_beacons:
goto free;
}
- wdev_lock(wdev);
err = rdev_channel_switch(rdev, dev, &params);
- wdev_unlock(wdev);
free:
kfree(params.beacon_after.mbssid_ies);
@@ -10309,7 +10288,7 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
void *hdr;
struct nlattr *bss;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
NL80211_CMD_NEW_SCAN_RESULTS);
@@ -10372,7 +10351,6 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
nla_put_u32(msg, NL80211_BSS_FREQUENCY_OFFSET,
res->channel->freq_offset) ||
- nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
jiffies_to_msecs(jiffies - intbss->ts)))
goto nla_put_failure;
@@ -10458,7 +10436,6 @@ static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
/* nl80211_prepare_wdev_dump acquired it in the successful case */
__acquire(&rdev->wiphy.mtx);
- wdev_lock(wdev);
spin_lock_bh(&rdev->bss_lock);
/*
@@ -10484,7 +10461,6 @@ static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
}
spin_unlock_bh(&rdev->bss_lock);
- wdev_unlock(wdev);
cb->args[2] = idx;
wiphy_unlock(&rdev->wiphy);
@@ -10607,9 +10583,7 @@ static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
}
while (1) {
- wdev_lock(wdev);
res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
- wdev_unlock(wdev);
if (res == -ENOENT)
break;
if (res)
@@ -10782,9 +10756,7 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
if (!req.bss)
return -ENOENT;
- wdev_lock(dev->ieee80211_ptr);
err = cfg80211_mlme_auth(rdev, dev, &req);
- wdev_unlock(dev->ieee80211_ptr);
cfg80211_put_bss(&rdev->wiphy, req.bss);
@@ -10994,8 +10966,9 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
if (cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE,
req.ie, req.ie_len)) {
- GENL_SET_ERR_MSG(info,
- "non-inheritance makes no sense");
+ NL_SET_ERR_MSG_ATTR(info->extack,
+ info->attrs[NL80211_ATTR_IE],
+ "non-inheritance makes no sense");
return -EINVAL;
}
}
@@ -11120,6 +11093,7 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
if (!attrs[NL80211_ATTR_MLO_LINK_ID]) {
err = -EINVAL;
+ NL_SET_BAD_ATTR(info->extack, link);
goto free;
}
@@ -11127,6 +11101,7 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
/* cannot use the same link ID again */
if (req.links[link_id].bss) {
err = -EINVAL;
+ NL_SET_BAD_ATTR(info->extack, link);
goto free;
}
req.links[link_id].bss =
@@ -11134,6 +11109,8 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
if (IS_ERR(req.links[link_id].bss)) {
err = PTR_ERR(req.links[link_id].bss);
req.links[link_id].bss = NULL;
+ NL_SET_ERR_MSG_ATTR(info->extack,
+ link, "Error fetching BSS for link");
goto free;
}
@@ -11146,8 +11123,9 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
if (cfg80211_find_elem(WLAN_EID_FRAGMENT,
req.links[link_id].elems,
req.links[link_id].elems_len)) {
- GENL_SET_ERR_MSG(info,
- "cannot deal with fragmentation");
+ NL_SET_ERR_MSG_ATTR(info->extack,
+ attrs[NL80211_ATTR_IE],
+ "cannot deal with fragmentation");
err = -EINVAL;
goto free;
}
@@ -11155,8 +11133,9 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
if (cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE,
req.links[link_id].elems,
req.links[link_id].elems_len)) {
- GENL_SET_ERR_MSG(info,
- "cannot deal with non-inheritance");
+ NL_SET_ERR_MSG_ATTR(info->extack,
+ attrs[NL80211_ATTR_IE],
+ "cannot deal with non-inheritance");
err = -EINVAL;
goto free;
}
@@ -11199,7 +11178,8 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
if (!err) {
- wdev_lock(dev->ieee80211_ptr);
+ struct nlattr *link;
+ int rem = 0;
err = cfg80211_mlme_assoc(rdev, dev, &req);
@@ -11210,7 +11190,33 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
ap_addr, ETH_ALEN);
}
- wdev_unlock(dev->ieee80211_ptr);
+ /* Report error from first problematic link */
+ if (info->attrs[NL80211_ATTR_MLO_LINKS]) {
+ nla_for_each_nested(link,
+ info->attrs[NL80211_ATTR_MLO_LINKS],
+ rem) {
+ struct nlattr *link_id_attr =
+ nla_find_nested(link, NL80211_ATTR_MLO_LINK_ID);
+
+ if (!link_id_attr)
+ continue;
+
+ link_id = nla_get_u8(link_id_attr);
+
+ if (link_id == req.link_id)
+ continue;
+
+ if (!req.links[link_id].error ||
+ WARN_ON(req.links[link_id].error > 0))
+ continue;
+
+ WARN_ON(err >= 0);
+
+ NL_SET_BAD_ATTR(info->extack, link);
+ err = req.links[link_id].error;
+ break;
+ }
+ }
}
free:
@@ -11227,7 +11233,7 @@ static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
const u8 *ie = NULL, *bssid;
- int ie_len = 0, err;
+ int ie_len = 0;
u16 reason_code;
bool local_state_change;
@@ -11263,11 +11269,8 @@ static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
- wdev_lock(dev->ieee80211_ptr);
- err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
- local_state_change);
- wdev_unlock(dev->ieee80211_ptr);
- return err;
+ return cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
+ local_state_change);
}
static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
@@ -11275,7 +11278,7 @@ static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
const u8 *ie = NULL, *bssid;
- int ie_len = 0, err;
+ int ie_len = 0;
u16 reason_code;
bool local_state_change;
@@ -11311,11 +11314,8 @@ static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
- wdev_lock(dev->ieee80211_ptr);
- err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
- local_state_change);
- wdev_unlock(dev->ieee80211_ptr);
- return err;
+ return cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
+ local_state_change);
}
static bool
@@ -11493,13 +11493,11 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
ibss.userspace_handles_dfs =
nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
- wdev_lock(dev->ieee80211_ptr);
err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
if (err)
kfree_sensitive(connkeys);
else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
- wdev_unlock(dev->ieee80211_ptr);
return err;
}
@@ -12032,8 +12030,6 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
if (nla_get_flag(info->attrs[NL80211_ATTR_MLO_SUPPORT]))
connect.flags |= CONNECT_REQ_MLO_SUPPORT;
- wdev_lock(dev->ieee80211_ptr);
-
err = cfg80211_connect(rdev, dev, &connect, connkeys,
connect.prev_bssid);
if (err)
@@ -12048,8 +12044,6 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
eth_zero_addr(dev->ieee80211_ptr->disconnect_bssid);
}
- wdev_unlock(dev->ieee80211_ptr);
-
return err;
}
@@ -12063,7 +12057,6 @@ static int nl80211_update_connect_params(struct sk_buff *skb,
bool fils_sk_offload;
u32 auth_type;
u32 changed = 0;
- int ret;
if (!rdev->ops->update_connect_params)
return -EOPNOTSUPP;
@@ -12124,14 +12117,10 @@ static int nl80211_update_connect_params(struct sk_buff *skb,
changed |= UPDATE_AUTH_TYPE;
}
- wdev_lock(dev->ieee80211_ptr);
if (!wdev->connected)
- ret = -ENOLINK;
- else
- ret = rdev_update_connect_params(rdev, dev, &connect, changed);
- wdev_unlock(dev->ieee80211_ptr);
+ return -ENOLINK;
- return ret;
+ return rdev_update_connect_params(rdev, dev, &connect, changed);
}
static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
@@ -12139,7 +12128,6 @@ static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
u16 reason;
- int ret;
if (dev->ieee80211_ptr->conn_owner_nlportid &&
dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
@@ -12157,10 +12145,7 @@ static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
return -EOPNOTSUPP;
- wdev_lock(dev->ieee80211_ptr);
- ret = cfg80211_disconnect(rdev, dev, reason, true);
- wdev_unlock(dev->ieee80211_ptr);
- return ret;
+ return cfg80211_disconnect(rdev, dev, reason, true);
}
static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
@@ -12371,7 +12356,6 @@ static int nl80211_remain_on_channel(struct sk_buff *skb,
if (err)
return err;
- wdev_lock(wdev);
if (!cfg80211_off_channel_oper_allowed(wdev, chandef.chan)) {
const struct cfg80211_chan_def *oper_chandef, *compat_chandef;
@@ -12380,7 +12364,6 @@ static int nl80211_remain_on_channel(struct sk_buff *skb,
if (WARN_ON(!oper_chandef)) {
/* cannot happen since we must beacon to get here */
WARN_ON(1);
- wdev_unlock(wdev);
return -EBUSY;
}
@@ -12388,12 +12371,9 @@ static int nl80211_remain_on_channel(struct sk_buff *skb,
compat_chandef = cfg80211_chandef_compatible(&chandef,
oper_chandef);
- if (compat_chandef != &chandef) {
- wdev_unlock(wdev);
+ if (compat_chandef != &chandef)
return -EBUSY;
- }
}
- wdev_unlock(wdev);
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
@@ -12452,23 +12432,18 @@ static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
unsigned int link_id = nl80211_link_id(info->attrs);
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
- struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
if (!rdev->ops->set_bitrate_mask)
return -EOPNOTSUPP;
- wdev_lock(wdev);
err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
NL80211_ATTR_TX_RATES, &mask,
dev, true, link_id);
if (err)
- goto out;
+ return err;
- err = rdev_set_bitrate_mask(rdev, dev, link_id, NULL, &mask);
-out:
- wdev_unlock(wdev);
- return err;
+ return rdev_set_bitrate_mask(rdev, dev, link_id, NULL, &mask);
}
static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
@@ -12597,12 +12572,9 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
if (!chandef.chan && params.offchan)
return -EINVAL;
- wdev_lock(wdev);
if (params.offchan &&
- !cfg80211_off_channel_oper_allowed(wdev, chandef.chan)) {
- wdev_unlock(wdev);
+ !cfg80211_off_channel_oper_allowed(wdev, chandef.chan))
return -EBUSY;
- }
params.link_id = nl80211_link_id_or_invalid(info->attrs);
/*
@@ -12611,11 +12583,8 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
* to the driver.
*/
if (params.link_id >= 0 &&
- !(wdev->valid_links & BIT(params.link_id))) {
- wdev_unlock(wdev);
+ !(wdev->valid_links & BIT(params.link_id)))
return -EINVAL;
- }
- wdev_unlock(wdev);
params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
@@ -12883,8 +12852,8 @@ static int nl80211_set_cqm_rssi(struct genl_info *info,
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;
s32 prev = S32_MIN;
+ int i, err;
/* Check all values negative and sorted */
for (i = 0; i < n_thresholds; i++) {
@@ -12901,38 +12870,28 @@ static int nl80211_set_cqm_rssi(struct genl_info *info,
if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
n_thresholds = 0;
- wdev_lock(wdev);
- old = rcu_dereference_protected(wdev->cqm_config,
- lockdep_is_held(&wdev->mtx));
+ old = wiphy_dereference(wdev->wiphy, wdev->cqm_config);
/* if already disabled just succeed */
- if (!n_thresholds && !old) {
- err = 0;
- goto unlock;
- }
+ if (!n_thresholds && !old)
+ return 0;
if (n_thresholds > 1) {
if (!wiphy_ext_feature_isset(&rdev->wiphy,
NL80211_EXT_FEATURE_CQM_RSSI_LIST) ||
- !rdev->ops->set_cqm_rssi_range_config) {
- err = -EOPNOTSUPP;
- goto unlock;
- }
+ !rdev->ops->set_cqm_rssi_range_config)
+ return -EOPNOTSUPP;
} else {
- if (!rdev->ops->set_cqm_rssi_config) {
- err = -EOPNOTSUPP;
- goto unlock;
- }
+ if (!rdev->ops->set_cqm_rssi_config)
+ return -EOPNOTSUPP;
}
if (n_thresholds) {
cqm_config = kzalloc(struct_size(cqm_config, rssi_thresholds,
n_thresholds),
GFP_KERNEL);
- if (!cqm_config) {
- err = -ENOMEM;
- goto unlock;
- }
+ if (!cqm_config)
+ return -ENOMEM;
cqm_config->rssi_hyst = hysteresis;
cqm_config->n_rssi_thresholds = n_thresholds;
@@ -12965,8 +12924,6 @@ static int nl80211_set_cqm_rssi(struct genl_info *info,
} else {
kfree_rcu(old, rcu_head);
}
-unlock:
- wdev_unlock(wdev);
return err;
}
@@ -13150,11 +13107,9 @@ static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
setup.control_port_over_nl80211 = true;
}
- wdev_lock(dev->ieee80211_ptr);
err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
- wdev_unlock(dev->ieee80211_ptr);
return err;
}
@@ -14098,21 +14053,13 @@ static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
if (tb[NL80211_REKEY_DATA_AKM])
rekey_data.akm = nla_get_u32(tb[NL80211_REKEY_DATA_AKM]);
- wdev_lock(wdev);
- if (!wdev->connected) {
- err = -ENOTCONN;
- goto out;
- }
+ if (!wdev->connected)
+ return -ENOTCONN;
- if (!rdev->ops->set_rekey_data) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (!rdev->ops->set_rekey_data)
+ return -EOPNOTSUPP;
- err = rdev_set_rekey_data(rdev, dev, &rekey_data);
- out:
- wdev_unlock(wdev);
- return err;
+ return rdev_set_rekey_data(rdev, dev, &rekey_data);
}
static int nl80211_register_unexpected_frame(struct sk_buff *skb,
@@ -15316,11 +15263,9 @@ static int nl80211_set_qos_map(struct sk_buff *skb,
memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
}
- wdev_lock(dev->ieee80211_ptr);
ret = nl80211_key_allowed(dev->ieee80211_ptr);
if (!ret)
ret = rdev_set_qos_map(rdev, dev, qos_map);
- wdev_unlock(dev->ieee80211_ptr);
kfree(qos_map);
return ret;
@@ -15334,7 +15279,6 @@ static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
const u8 *peer;
u8 tsid, up;
u16 admitted_time = 0;
- int err;
if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
return -EOPNOTSUPP;
@@ -15364,34 +15308,25 @@ static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
return -EINVAL;
}
- wdev_lock(wdev);
switch (wdev->iftype) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
if (wdev->connected)
break;
- err = -ENOTCONN;
- goto out;
+ return -ENOTCONN;
default:
- err = -EOPNOTSUPP;
- goto out;
+ return -EOPNOTSUPP;
}
- err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
-
- out:
- wdev_unlock(wdev);
- return err;
+ return rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
}
static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
- struct wireless_dev *wdev = dev->ieee80211_ptr;
const u8 *peer;
u8 tsid;
- int err;
if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
return -EINVAL;
@@ -15399,11 +15334,7 @@ static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
- wdev_lock(wdev);
- err = rdev_del_tx_ts(rdev, dev, tsid, peer);
- wdev_unlock(wdev);
-
- return err;
+ return rdev_del_tx_ts(rdev, dev, tsid, peer);
}
static int nl80211_tdls_channel_switch(struct sk_buff *skb,
@@ -15459,11 +15390,7 @@ static int nl80211_tdls_channel_switch(struct sk_buff *skb,
addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
- wdev_lock(wdev);
- err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
- wdev_unlock(wdev);
-
- return err;
+ return rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
}
static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
@@ -15471,7 +15398,6 @@ static int nl80211_tdls_cancel_channel_switch(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;
const u8 *addr;
if (!rdev->ops->tdls_channel_switch ||
@@ -15492,9 +15418,7 @@ static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
- wdev_lock(wdev);
rdev_tdls_cancel_channel_switch(rdev, dev, addr);
- wdev_unlock(wdev);
return 0;
}
@@ -15527,7 +15451,6 @@ static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
struct net_device *dev = info->user_ptr[1];
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_pmk_conf pmk_conf = {};
- int ret;
if (wdev->iftype != NL80211_IFTYPE_STATION &&
wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
@@ -15540,34 +15463,24 @@ static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
return -EINVAL;
- wdev_lock(wdev);
- if (!wdev->connected) {
- ret = -ENOTCONN;
- goto out;
- }
+ if (!wdev->connected)
+ return -ENOTCONN;
pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
- if (memcmp(pmk_conf.aa, wdev->u.client.connected_addr, ETH_ALEN)) {
- ret = -EINVAL;
- goto out;
- }
+ if (memcmp(pmk_conf.aa, wdev->u.client.connected_addr, ETH_ALEN))
+ return -EINVAL;
pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
- pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
- ret = -EINVAL;
- goto out;
- }
+ pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192)
+ return -EINVAL;
if (info->attrs[NL80211_ATTR_PMKR0_NAME])
pmk_conf.pmk_r0_name =
nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
- ret = rdev_set_pmk(rdev, dev, &pmk_conf);
-out:
- wdev_unlock(wdev);
- return ret;
+ return rdev_set_pmk(rdev, dev, &pmk_conf);
}
static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
@@ -15576,7 +15489,6 @@ static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
struct net_device *dev = info->user_ptr[1];
struct wireless_dev *wdev = dev->ieee80211_ptr;
const u8 *aa;
- int ret;
if (wdev->iftype != NL80211_IFTYPE_STATION &&
wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
@@ -15589,12 +15501,8 @@ static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
if (!info->attrs[NL80211_ATTR_MAC])
return -EINVAL;
- wdev_lock(wdev);
aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
- ret = rdev_del_pmk(rdev, dev, aa);
- wdev_unlock(wdev);
-
- return ret;
+ return rdev_del_pmk(rdev, dev, aa);
}
static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
@@ -15668,8 +15576,6 @@ static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
return -EINVAL;
}
- wdev_lock(wdev);
-
switch (wdev->iftype) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
@@ -15678,21 +15584,16 @@ static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
case NL80211_IFTYPE_ADHOC:
if (wdev->u.ibss.current_bss)
break;
- err = -ENOTCONN;
- goto out;
+ return -ENOTCONN;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
if (wdev->connected)
break;
- err = -ENOTCONN;
- goto out;
+ return -ENOTCONN;
default:
- err = -EOPNOTSUPP;
- goto out;
+ return -EOPNOTSUPP;
}
- wdev_unlock(wdev);
-
buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
@@ -15708,9 +15609,6 @@ static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
if (!err && !dont_wait_for_ack)
nl_set_extack_cookie_u64(info->extack, cookie);
return err;
- out:
- wdev_unlock(wdev);
- return err;
}
static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
@@ -15988,8 +15886,6 @@ static int nl80211_set_tid_config(struct sk_buff *skb,
if (info->attrs[NL80211_ATTR_MAC])
tid_config->peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
- wdev_lock(dev->ieee80211_ptr);
-
nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
rem_conf) {
ret = nla_parse_nested(attrs, NL80211_TID_CONFIG_ATTR_MAX,
@@ -16011,7 +15907,6 @@ static int nl80211_set_tid_config(struct sk_buff *skb,
bad_tid_conf:
kfree(tid_config);
- wdev_unlock(dev->ieee80211_ptr);
return ret;
}
@@ -16108,9 +16003,7 @@ static int nl80211_color_change(struct sk_buff *skb, struct genl_info *info)
params.counter_offset_presp = offset;
}
- wdev_lock(wdev);
err = rdev_color_change(rdev, dev, &params);
- wdev_unlock(wdev);
out:
kfree(params.beacon_next.mbssid_ies);
@@ -16166,7 +16059,6 @@ static int nl80211_add_link(struct sk_buff *skb, struct genl_info *info)
!is_valid_ether_addr(nla_data(info->attrs[NL80211_ATTR_MAC])))
return -EINVAL;
- wdev_lock(wdev);
wdev->valid_links |= BIT(link_id);
ether_addr_copy(wdev->links[link_id].addr,
nla_data(info->attrs[NL80211_ATTR_MAC]));
@@ -16176,7 +16068,6 @@ static int nl80211_add_link(struct sk_buff *skb, struct genl_info *info)
wdev->valid_links &= ~BIT(link_id);
eth_zero_addr(wdev->links[link_id].addr);
}
- wdev_unlock(wdev);
return ret;
}
@@ -16198,9 +16089,7 @@ static int nl80211_remove_link(struct sk_buff *skb, struct genl_info *info)
return -EINVAL;
}
- wdev_lock(wdev);
cfg80211_remove_link(wdev, link_id);
- wdev_unlock(wdev);
return 0;
}
@@ -16290,14 +16179,10 @@ nl80211_add_mod_link_station(struct sk_buff *skb, struct genl_info *info,
if (err)
return err;
- wdev_lock(dev->ieee80211_ptr);
if (add)
- err = rdev_add_link_station(rdev, dev, &params);
- else
- err = rdev_mod_link_station(rdev, dev, &params);
- wdev_unlock(dev->ieee80211_ptr);
+ return rdev_add_link_station(rdev, dev, &params);
- return err;
+ return rdev_mod_link_station(rdev, dev, &params);
}
static int
@@ -16318,7 +16203,6 @@ nl80211_remove_link_station(struct sk_buff *skb, struct genl_info *info)
struct link_station_del_parameters params = {};
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
- int ret;
if (!rdev->ops->del_link_station)
return -EOPNOTSUPP;
@@ -16330,11 +16214,7 @@ nl80211_remove_link_station(struct sk_buff *skb, struct genl_info *info)
params.mld_mac = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
params.link_id = nla_get_u8(info->attrs[NL80211_ATTR_MLO_LINK_ID]);
- wdev_lock(dev->ieee80211_ptr);
- ret = rdev_del_link_station(rdev, dev, &params);
- wdev_unlock(dev->ieee80211_ptr);
-
- return ret;
+ return rdev_del_link_station(rdev, dev, &params);
}
static int nl80211_set_hw_timestamp(struct sk_buff *skb,
@@ -17936,7 +17816,7 @@ void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
struct net_device *netdev,
- struct cfg80211_rx_assoc_resp *data)
+ struct cfg80211_rx_assoc_resp_data *data)
{
nl80211_send_mlme_event(rdev, netdev, data->buf, data->len,
NL80211_CMD_ASSOCIATE, GFP_KERNEL,
@@ -18261,7 +18141,7 @@ void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
}
void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
- struct net_device *netdev, const u8 *bssid,
+ struct net_device *netdev, const u8 *peer_addr,
const u8 *td_bitmap, u8 td_bitmap_len)
{
struct sk_buff *msg;
@@ -18279,7 +18159,7 @@ void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
- nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
+ nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer_addr))
goto nla_put_failure;
if ((td_bitmap_len > 0) && td_bitmap)
@@ -18342,7 +18222,7 @@ void cfg80211_links_removed(struct net_device *dev, u16 link_mask)
struct nlattr *links;
void *hdr;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
trace_cfg80211_links_removed(dev, link_mask);
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION &&
@@ -19145,11 +19025,9 @@ void cfg80211_cqm_rssi_notify_work(struct wiphy *wiphy, struct wiphy_work *work)
struct sk_buff *msg;
s32 rssi_level;
- wdev_lock(wdev);
- cqm_config = rcu_dereference_protected(wdev->cqm_config,
- lockdep_is_held(&wdev->mtx));
+ cqm_config = wiphy_dereference(wdev->wiphy, wdev->cqm_config);
if (!cqm_config)
- goto unlock;
+ return;
if (cqm_config->use_range_api)
cfg80211_cqm_rssi_update(rdev, wdev->netdev, cqm_config);
@@ -19159,7 +19037,7 @@ void cfg80211_cqm_rssi_notify_work(struct wiphy *wiphy, struct wiphy_work *work)
msg = cfg80211_prepare_cqm(wdev->netdev, NULL, GFP_KERNEL);
if (!msg)
- goto unlock;
+ return;
if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
rssi_event))
@@ -19171,12 +19049,10 @@ void cfg80211_cqm_rssi_notify_work(struct wiphy *wiphy, struct wiphy_work *work)
cfg80211_send_cqm(msg, GFP_KERNEL);
- goto unlock;
+ return;
nla_put_failure:
nlmsg_free(msg);
- unlock:
- wdev_unlock(wdev);
}
void cfg80211_cqm_txe_notify(struct net_device *dev,
@@ -19420,7 +19296,7 @@ void cfg80211_ch_switch_notify(struct net_device *dev,
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
WARN_INVALID_LINK_ID(wdev, link_id);
trace_cfg80211_ch_switch_notify(dev, chandef, link_id, punct_bitmap);
@@ -19465,7 +19341,7 @@ void cfg80211_ch_switch_started_notify(struct net_device *dev,
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
WARN_INVALID_LINK_ID(wdev, link_id);
trace_cfg80211_ch_switch_started_notify(dev, chandef, link_id,
@@ -19488,7 +19364,7 @@ int cfg80211_bss_color_notify(struct net_device *dev,
struct sk_buff *msg;
void *hdr;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
trace_cfg80211_bss_color_notify(dev, cmd, count, color_bitmap);
diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h
index b4af53f9b2..aad40240d9 100644
--- a/net/wireless/nl80211.h
+++ b/net/wireless/nl80211.h
@@ -60,7 +60,7 @@ void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
const u8 *buf, size_t len, gfp_t gfp);
void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
struct net_device *netdev,
- struct cfg80211_rx_assoc_resp *data);
+ struct cfg80211_rx_assoc_resp_data *data);
void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
struct net_device *netdev,
const u8 *buf, size_t len,
@@ -82,8 +82,11 @@ void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
struct net_device *netdev,
struct cfg80211_roam_info *info, gfp_t gfp);
+/* For STA/GC, indicate port authorized with AP/GO bssid.
+ * For GO/AP, use peer GC/STA mac_addr.
+ */
void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
- struct net_device *netdev, const u8 *bssid,
+ struct net_device *netdev, const u8 *peer_addr,
const u8 *td_bitmap, u8 td_bitmap_len);
void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
struct net_device *netdev, u16 reason,
diff --git a/net/wireless/ocb.c b/net/wireless/ocb.c
index 29afaf3da5..7d2d67f13a 100644
--- a/net/wireless/ocb.c
+++ b/net/wireless/ocb.c
@@ -4,7 +4,7 @@
*
* Copyright: (c) 2014 Czech Technical University in Prague
* (c) 2014 Volkswagen Group Research
- * Copyright (C) 2022 Intel Corporation
+ * Copyright (C) 2022-2023 Intel Corporation
* Author: Rostislav Lisovy <rostislav.lisovy@fel.cvut.cz>
* Funded by: Volkswagen Group Research
*/
@@ -15,14 +15,14 @@
#include "core.h"
#include "rdev-ops.h"
-int __cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct ocb_setup *setup)
+int cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ struct ocb_setup *setup)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
return -EOPNOTSUPP;
@@ -40,27 +40,13 @@ int __cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
return err;
}
-int cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct ocb_setup *setup)
-{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
- int err;
-
- wdev_lock(wdev);
- err = __cfg80211_join_ocb(rdev, dev, setup);
- wdev_unlock(wdev);
-
- return err;
-}
-
-int __cfg80211_leave_ocb(struct cfg80211_registered_device *rdev,
- struct net_device *dev)
+int cfg80211_leave_ocb(struct cfg80211_registered_device *rdev,
+ struct net_device *dev)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
return -EOPNOTSUPP;
@@ -77,16 +63,3 @@ int __cfg80211_leave_ocb(struct cfg80211_registered_device *rdev,
return err;
}
-
-int cfg80211_leave_ocb(struct cfg80211_registered_device *rdev,
- struct net_device *dev)
-{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
- int err;
-
- wdev_lock(wdev);
- err = __cfg80211_leave_ocb(rdev, dev);
- wdev_unlock(wdev);
-
- return err;
-}
diff --git a/net/wireless/pmsr.c b/net/wireless/pmsr.c
index 9611aa0bd0..e106dcea39 100644
--- a/net/wireless/pmsr.c
+++ b/net/wireless/pmsr.c
@@ -600,7 +600,7 @@ static void cfg80211_pmsr_process_abort(struct wireless_dev *wdev)
struct cfg80211_pmsr_request *req, *tmp;
LIST_HEAD(free_list);
- lockdep_assert_held(&wdev->mtx);
+ lockdep_assert_wiphy(wdev->wiphy);
spin_lock_bh(&wdev->pmsr_lock);
list_for_each_entry_safe(req, tmp, &wdev->pmsr_list, list) {
@@ -623,9 +623,7 @@ void cfg80211_pmsr_free_wk(struct work_struct *work)
pmsr_free_wk);
wiphy_lock(wdev->wiphy);
- wdev_lock(wdev);
cfg80211_pmsr_process_abort(wdev);
- wdev_unlock(wdev);
wiphy_unlock(wdev->wiphy);
}
diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h
index 90bb7ac4b9..2214a90cf1 100644
--- a/net/wireless/rdev-ops.h
+++ b/net/wireless/rdev-ops.h
@@ -173,7 +173,7 @@ static inline int rdev_start_ap(struct cfg80211_registered_device *rdev,
static inline int rdev_change_beacon(struct cfg80211_registered_device *rdev,
struct net_device *dev,
- struct cfg80211_beacon_data *info)
+ struct cfg80211_ap_update *info)
{
int ret;
trace_rdev_change_beacon(&rdev->wiphy, dev, info);
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 0317cf9da3..2ef4f6cc7a 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1283,7 +1283,9 @@ static bool is_valid_rd(const struct ieee80211_regdomain *rd)
* 60 GHz band.
* This resolution can be lowered and should be considered as we add
* regulatory rule support for other "bands".
- **/
+ *
+ * Returns: whether or not the frequency is in the range
+ */
static bool freq_in_rule_band(const struct ieee80211_freq_range *freq_range,
u32 freq_khz)
{
@@ -1492,6 +1494,8 @@ static void add_rule(struct ieee80211_reg_rule *rule,
* Returns a pointer to the regulatory domain structure which will hold the
* resulting intersection of rules between rd1 and rd2. We will
* kzalloc() this structure for you.
+ *
+ * Returns: the intersected regdomain
*/
static struct ieee80211_regdomain *
regdom_intersect(const struct ieee80211_regdomain *rd1,
@@ -1589,6 +1593,8 @@ static u32 map_regdom_flags(u32 rd_flags)
channel_flags |= IEEE80211_CHAN_NO_320MHZ;
if (rd_flags & NL80211_RRF_NO_EHT)
channel_flags |= IEEE80211_CHAN_NO_EHT;
+ if (rd_flags & NL80211_RRF_PSD)
+ channel_flags |= IEEE80211_CHAN_PSD;
return channel_flags;
}
@@ -1795,6 +1801,9 @@ static void handle_channel_single_rule(struct wiphy *wiphy,
chan->dfs_cac_ms = reg_rule->dfs_cac_ms;
}
+ if (chan->flags & IEEE80211_CHAN_PSD)
+ chan->psd = reg_rule->psd;
+
return;
}
@@ -1815,6 +1824,9 @@ static void handle_channel_single_rule(struct wiphy *wiphy,
chan->dfs_cac_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
}
+ if (chan->flags & IEEE80211_CHAN_PSD)
+ chan->psd = reg_rule->psd;
+
if (chan->orig_mpwr) {
/*
* Devices that use REGULATORY_COUNTRY_IE_FOLLOW_POWER
@@ -1884,6 +1896,12 @@ static void handle_channel_adjacent_rules(struct wiphy *wiphy,
rrule2->dfs_cac_ms);
}
+ if ((rrule1->flags & NL80211_RRF_PSD) &&
+ (rrule2->flags & NL80211_RRF_PSD))
+ chan->psd = min_t(s8, rrule1->psd, rrule2->psd);
+ else
+ chan->flags &= ~NL80211_RRF_PSD;
+
return;
}
@@ -2151,6 +2169,13 @@ static bool reg_is_world_roaming(struct wiphy *wiphy)
return false;
}
+static void reg_call_notifier(struct wiphy *wiphy,
+ struct regulatory_request *request)
+{
+ if (wiphy->reg_notifier)
+ wiphy->reg_notifier(wiphy, request);
+}
+
static void handle_reg_beacon(struct wiphy *wiphy, unsigned int chan_idx,
struct reg_beacon *reg_beacon)
{
@@ -2158,6 +2183,7 @@ static void handle_reg_beacon(struct wiphy *wiphy, unsigned int chan_idx,
struct ieee80211_channel *chan;
bool channel_changed = false;
struct ieee80211_channel chan_before;
+ struct regulatory_request *lr = get_last_request();
sband = wiphy->bands[reg_beacon->chan.band];
chan = &sband->channels[chan_idx];
@@ -2183,8 +2209,11 @@ static void handle_reg_beacon(struct wiphy *wiphy, unsigned int chan_idx,
channel_changed = true;
}
- if (channel_changed)
+ if (channel_changed) {
nl80211_send_beacon_hint_event(wiphy, &chan_before, chan);
+ if (wiphy->flags & WIPHY_FLAG_CHANNEL_CHANGE_ON_BEACON)
+ reg_call_notifier(wiphy, lr);
+ }
}
/*
@@ -2327,13 +2356,6 @@ static void reg_process_ht_flags(struct wiphy *wiphy)
reg_process_ht_flags_band(wiphy, wiphy->bands[band]);
}
-static void reg_call_notifier(struct wiphy *wiphy,
- struct regulatory_request *request)
-{
- if (wiphy->reg_notifier)
- wiphy->reg_notifier(wiphy, request);
-}
-
static bool reg_wdev_chan_valid(struct wiphy *wiphy, struct wireless_dev *wdev)
{
struct cfg80211_chan_def chandef = {};
@@ -2342,12 +2364,11 @@ static bool reg_wdev_chan_valid(struct wiphy *wiphy, struct wireless_dev *wdev)
bool ret;
int link;
- wdev_lock(wdev);
iftype = wdev->iftype;
/* make sure the interface is active */
if (!wdev->netdev || !netif_running(wdev->netdev))
- goto wdev_inactive_unlock;
+ return true;
for (link = 0; link < ARRAY_SIZE(wdev->links); link++) {
struct ieee80211_channel *chan;
@@ -2407,8 +2428,6 @@ static bool reg_wdev_chan_valid(struct wiphy *wiphy, struct wireless_dev *wdev)
break;
}
- wdev_unlock(wdev);
-
switch (iftype) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
@@ -2429,16 +2448,8 @@ static bool reg_wdev_chan_valid(struct wiphy *wiphy, struct wireless_dev *wdev)
default:
break;
}
-
- wdev_lock(wdev);
}
- wdev_unlock(wdev);
-
- return true;
-
-wdev_inactive_unlock:
- wdev_unlock(wdev);
return true;
}
@@ -2461,7 +2472,7 @@ static void reg_check_chans_work(struct work_struct *work)
pr_debug("Verifying active interfaces after reg change\n");
rtnl_lock();
- list_for_each_entry(rdev, &cfg80211_rdev_list, list)
+ for_each_rdev(rdev)
reg_leave_invalid_chans(&rdev->wiphy);
rtnl_unlock();
@@ -2515,7 +2526,7 @@ static void update_all_wiphy_regulatory(enum nl80211_reg_initiator initiator)
ASSERT_RTNL();
- list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
+ for_each_rdev(rdev) {
wiphy = &rdev->wiphy;
wiphy_update_regulatory(wiphy, initiator);
}
@@ -2577,6 +2588,9 @@ static void handle_channel_custom(struct wiphy *wiphy,
chan->dfs_cac_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
}
+ if (chan->flags & IEEE80211_CHAN_PSD)
+ chan->psd = reg_rule->psd;
+
chan->max_power = chan->max_reg_power;
}
@@ -2663,6 +2677,9 @@ static void reg_set_request_processed(void)
*
* The wireless subsystem can use this function to process
* a regulatory request issued by the regulatory core.
+ *
+ * Returns: %REG_REQ_OK or %REG_REQ_IGNORE, indicating if the
+ * hint was processed or ignored
*/
static enum reg_request_treatment
reg_process_hint_core(struct regulatory_request *core_request)
@@ -2719,6 +2736,9 @@ __reg_process_hint_user(struct regulatory_request *user_request)
*
* The wireless subsystem can use this function to process
* a regulatory request initiated by userspace.
+ *
+ * Returns: %REG_REQ_OK or %REG_REQ_IGNORE, indicating if the
+ * hint was processed or ignored
*/
static enum reg_request_treatment
reg_process_hint_user(struct regulatory_request *user_request)
@@ -2774,7 +2794,7 @@ __reg_process_hint_driver(struct regulatory_request *driver_request)
* The wireless subsystem can use this function to process
* a regulatory request issued by an 802.11 driver.
*
- * Returns one of the different reg request treatment values.
+ * Returns: one of the different reg request treatment values.
*/
static enum reg_request_treatment
reg_process_hint_driver(struct wiphy *wiphy,
@@ -2878,7 +2898,7 @@ __reg_process_hint_country_ie(struct wiphy *wiphy,
* The wireless subsystem can use this function to process
* a regulatory request issued by a country Information Element.
*
- * Returns one of the different reg request treatment values.
+ * Returns: one of the different reg request treatment values.
*/
static enum reg_request_treatment
reg_process_hint_country_ie(struct wiphy *wiphy,
@@ -2991,7 +3011,7 @@ static void wiphy_all_share_dfs_chan_state(struct wiphy *wiphy)
ASSERT_RTNL();
- list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
+ for_each_rdev(rdev) {
if (wiphy == &rdev->wiphy)
continue;
wiphy_share_dfs_chan_state(wiphy, &rdev->wiphy);
@@ -3057,7 +3077,7 @@ static void notify_self_managed_wiphys(struct regulatory_request *request)
struct cfg80211_registered_device *rdev;
struct wiphy *wiphy;
- list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
+ for_each_rdev(rdev) {
wiphy = &rdev->wiphy;
if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
request->initiator == NL80211_REGDOM_SET_BY_USER)
@@ -3122,7 +3142,7 @@ static void reg_process_pending_beacon_hints(void)
list_del_init(&pending_beacon->list);
/* Applies the beacon hint to current wiphys */
- list_for_each_entry(rdev, &cfg80211_rdev_list, list)
+ for_each_rdev(rdev)
wiphy_update_new_beacon(&rdev->wiphy, pending_beacon);
/* Remembers the beacon hint for new wiphys or reg changes */
@@ -3177,7 +3197,7 @@ static void reg_process_self_managed_hints(void)
ASSERT_RTNL();
- list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
+ for_each_rdev(rdev) {
wiphy_lock(&rdev->wiphy);
reg_process_self_managed_hint(&rdev->wiphy);
wiphy_unlock(&rdev->wiphy);
@@ -3517,7 +3537,7 @@ static void restore_regulatory_settings(bool reset_user, bool cached)
world_alpha2[0] = cfg80211_world_regdom->alpha2[0];
world_alpha2[1] = cfg80211_world_regdom->alpha2[1];
- list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
+ for_each_rdev(rdev) {
if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED)
continue;
if (rdev->wiphy.regulatory_flags & REGULATORY_CUSTOM_REG)
@@ -3574,15 +3594,15 @@ static bool is_wiphy_all_set_reg_flag(enum ieee80211_regulatory_flags flag)
struct cfg80211_registered_device *rdev;
struct wireless_dev *wdev;
- list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
+ for_each_rdev(rdev) {
+ wiphy_lock(&rdev->wiphy);
list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
- wdev_lock(wdev);
if (!(wdev->wiphy->regulatory_flags & flag)) {
- wdev_unlock(wdev);
+ wiphy_unlock(&rdev->wiphy);
return false;
}
- wdev_unlock(wdev);
}
+ wiphy_unlock(&rdev->wiphy);
}
return true;
@@ -3838,7 +3858,7 @@ static int reg_set_rd_driver(const struct ieee80211_regdomain *rd,
{
const struct ieee80211_regdomain *regd;
const struct ieee80211_regdomain *intersected_rd = NULL;
- const struct ieee80211_regdomain *tmp;
+ const struct ieee80211_regdomain *tmp = NULL;
struct wiphy *request_wiphy;
if (is_world_regdom(rd->alpha2))
@@ -3861,10 +3881,8 @@ static int reg_set_rd_driver(const struct ieee80211_regdomain *rd,
if (!driver_request->intersect) {
ASSERT_RTNL();
wiphy_lock(request_wiphy);
- if (request_wiphy->regd) {
- wiphy_unlock(request_wiphy);
- return -EALREADY;
- }
+ if (request_wiphy->regd)
+ tmp = get_wiphy_regdom(request_wiphy);
regd = reg_copy_regd(rd);
if (IS_ERR(regd)) {
@@ -3873,6 +3891,7 @@ static int reg_set_rd_driver(const struct ieee80211_regdomain *rd,
}
rcu_assign_pointer(request_wiphy->regd, regd);
+ rcu_free_regdom(tmp);
wiphy_unlock(request_wiphy);
reset_regdomains(false, rd);
return 0;
@@ -4244,7 +4263,7 @@ void regulatory_propagate_dfs_state(struct wiphy *wiphy,
if (WARN_ON(!cfg80211_chandef_valid(chandef)))
return;
- list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
+ for_each_rdev(rdev) {
if (wiphy == &rdev->wiphy)
continue;
diff --git a/net/wireless/reg.h b/net/wireless/reg.h
index f3707f7290..a703e53c23 100644
--- a/net/wireless/reg.h
+++ b/net/wireless/reg.h
@@ -5,7 +5,7 @@
/*
* Copyright 2008-2011 Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
- * Copyright (C) 2019 Intel Corporation
+ * Copyright (C) 2019, 2023 Intel Corporation
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -133,7 +133,7 @@ void regulatory_hint_disconnect(void);
/**
* cfg80211_get_unii - get the U-NII band for the frequency
* @freq: the frequency for which we want to get the UNII band.
-
+ *
* Get a value specifying the U-NII band frequency belongs to.
* U-NII bands are defined by the FCC in C.F.R 47 part 15.
*
@@ -156,11 +156,11 @@ bool regulatory_indoor_allowed(void);
/**
* regulatory_propagate_dfs_state - Propagate DFS channel state to other wiphys
- * @wiphy - wiphy on which radar is detected and the event will be propagated
+ * @wiphy: wiphy on which radar is detected and the event will be propagated
* to other available wiphys having the same DFS domain
- * @chandef - Channel definition of radar detected channel
- * @dfs_state - DFS channel state to be set
- * @event - Type of radar event which triggered this DFS state change
+ * @chandef: Channel definition of radar detected channel
+ * @dfs_state: DFS channel state to be set
+ * @event: Type of radar event which triggered this DFS state change
*
* This function should be called with rtnl lock held.
*/
@@ -171,8 +171,8 @@ void regulatory_propagate_dfs_state(struct wiphy *wiphy,
/**
* reg_dfs_domain_same - Checks if both wiphy have same DFS domain configured
- * @wiphy1 - wiphy it's dfs_region to be checked against that of wiphy2
- * @wiphy2 - wiphy it's dfs_region to be checked against that of wiphy1
+ * @wiphy1: wiphy it's dfs_region to be checked against that of wiphy2
+ * @wiphy2: wiphy it's dfs_region to be checked against that of wiphy1
*/
bool reg_dfs_domain_same(struct wiphy *wiphy1, struct wiphy *wiphy2);
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index bd4dd75e44..3f49f5c699 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -830,10 +830,47 @@ static int cfg80211_scan_6ghz(struct cfg80211_registered_device *rdev)
list_for_each_entry(intbss, &rdev->bss_list, list) {
struct cfg80211_bss *res = &intbss->pub;
const struct cfg80211_bss_ies *ies;
+ const struct element *ssid_elem;
+ struct cfg80211_colocated_ap *entry;
+ u32 s_ssid_tmp;
+ int ret;
ies = rcu_access_pointer(res->ies);
count += cfg80211_parse_colocated_ap(ies,
&coloc_ap_list);
+
+ /* In case the scan request specified a specific BSSID
+ * and the BSS is found and operating on 6GHz band then
+ * add this AP to the collocated APs list.
+ * This is relevant for ML probe requests when the lower
+ * band APs have not been discovered.
+ */
+ if (is_broadcast_ether_addr(rdev_req->bssid) ||
+ !ether_addr_equal(rdev_req->bssid, res->bssid) ||
+ res->channel->band != NL80211_BAND_6GHZ)
+ continue;
+
+ ret = cfg80211_calc_short_ssid(ies, &ssid_elem,
+ &s_ssid_tmp);
+ if (ret)
+ continue;
+
+ entry = kzalloc(sizeof(*entry) + IEEE80211_MAX_SSID_LEN,
+ GFP_ATOMIC);
+
+ if (!entry)
+ continue;
+
+ memcpy(entry->bssid, res->bssid, ETH_ALEN);
+ entry->short_ssid = s_ssid_tmp;
+ memcpy(entry->ssid, ssid_elem->data,
+ ssid_elem->datalen);
+ entry->ssid_len = ssid_elem->datalen;
+ entry->short_ssid_valid = true;
+ entry->center_freq = res->channel->center_freq;
+
+ list_add_tail(&entry->list, &coloc_ap_list);
+ count++;
}
spin_unlock_bh(&rdev->bss_lock);
}
@@ -1642,8 +1679,6 @@ static bool cfg80211_combine_bsses(struct cfg80211_registered_device *rdev,
continue;
if (bss->pub.channel != new->pub.channel)
continue;
- if (bss->pub.scan_width != new->pub.scan_width)
- continue;
if (rcu_access_pointer(bss->pub.beacon_ies))
continue;
ies = rcu_access_pointer(bss->pub.ies);
@@ -1690,6 +1725,61 @@ static void cfg80211_update_hidden_bsses(struct cfg80211_internal_bss *known,
}
}
+static void cfg80211_check_stuck_ecsa(struct cfg80211_registered_device *rdev,
+ struct cfg80211_internal_bss *known,
+ const struct cfg80211_bss_ies *old)
+{
+ const struct ieee80211_ext_chansw_ie *ecsa;
+ const struct element *elem_new, *elem_old;
+ const struct cfg80211_bss_ies *new, *bcn;
+
+ if (known->pub.proberesp_ecsa_stuck)
+ return;
+
+ new = rcu_dereference_protected(known->pub.proberesp_ies,
+ lockdep_is_held(&rdev->bss_lock));
+ if (WARN_ON(!new))
+ return;
+
+ if (new->tsf - old->tsf < USEC_PER_SEC)
+ return;
+
+ elem_old = cfg80211_find_elem(WLAN_EID_EXT_CHANSWITCH_ANN,
+ old->data, old->len);
+ if (!elem_old)
+ return;
+
+ elem_new = cfg80211_find_elem(WLAN_EID_EXT_CHANSWITCH_ANN,
+ new->data, new->len);
+ if (!elem_new)
+ return;
+
+ bcn = rcu_dereference_protected(known->pub.beacon_ies,
+ lockdep_is_held(&rdev->bss_lock));
+ if (bcn &&
+ cfg80211_find_elem(WLAN_EID_EXT_CHANSWITCH_ANN,
+ bcn->data, bcn->len))
+ return;
+
+ if (elem_new->datalen != elem_old->datalen)
+ return;
+ if (elem_new->datalen < sizeof(struct ieee80211_ext_chansw_ie))
+ return;
+ if (memcmp(elem_new->data, elem_old->data, elem_new->datalen))
+ return;
+
+ ecsa = (void *)elem_new->data;
+
+ if (!ecsa->mode)
+ return;
+
+ if (ecsa->new_ch_num !=
+ ieee80211_frequency_to_channel(known->pub.channel->center_freq))
+ return;
+
+ known->pub.proberesp_ecsa_stuck = 1;
+}
+
static bool
cfg80211_update_known_bss(struct cfg80211_registered_device *rdev,
struct cfg80211_internal_bss *known,
@@ -1709,9 +1799,13 @@ cfg80211_update_known_bss(struct cfg80211_registered_device *rdev,
/* Override possible earlier Beacon frame IEs */
rcu_assign_pointer(known->pub.ies,
new->pub.proberesp_ies);
- if (old)
+ if (old) {
+ cfg80211_check_stuck_ecsa(rdev, known, old);
kfree_rcu((struct cfg80211_bss_ies *)old, rcu_head);
- } else if (rcu_access_pointer(new->pub.beacon_ies)) {
+ }
+ }
+
+ if (rcu_access_pointer(new->pub.beacon_ies)) {
const struct cfg80211_bss_ies *old;
if (known->pub.hidden_beacon_bss &&
@@ -1829,8 +1923,12 @@ __cfg80211_bss_update(struct cfg80211_registered_device *rdev,
list_add(&new->hidden_list,
&hidden->hidden_list);
hidden->refcount++;
+
+ ies = (void *)rcu_access_pointer(new->pub.beacon_ies);
rcu_assign_pointer(new->pub.beacon_ies,
hidden->pub.beacon_ies);
+ if (ies)
+ kfree_rcu(ies, rcu_head);
}
} else {
/*
@@ -1940,8 +2038,7 @@ EXPORT_SYMBOL(cfg80211_get_ies_channel_number);
*/
static struct ieee80211_channel *
cfg80211_get_bss_channel(struct wiphy *wiphy, const u8 *ie, size_t ielen,
- struct ieee80211_channel *channel,
- enum nl80211_bss_scan_width scan_width)
+ struct ieee80211_channel *channel)
{
u32 freq;
int channel_number;
@@ -1981,16 +2078,6 @@ cfg80211_get_bss_channel(struct wiphy *wiphy, const u8 *ie, size_t ielen,
return channel;
}
- if (scan_width == NL80211_BSS_CHAN_WIDTH_10 ||
- scan_width == NL80211_BSS_CHAN_WIDTH_5) {
- /*
- * Ignore channel number in 5 and 10 MHz channels where there
- * may not be an n:1 or 1:n mapping between frequencies and
- * channel numbers.
- */
- return channel;
- }
-
/*
* Use the channel determined through the payload channel number
* instead of the RX channel reported by the driver.
@@ -2050,14 +2137,12 @@ cfg80211_inform_single_bss_data(struct wiphy *wiphy,
channel = data->channel;
if (!channel)
channel = cfg80211_get_bss_channel(wiphy, data->ie, data->ielen,
- drv_data->chan,
- drv_data->scan_width);
+ drv_data->chan);
if (!channel)
return NULL;
memcpy(tmp.pub.bssid, data->bssid, ETH_ALEN);
tmp.pub.channel = channel;
- tmp.pub.scan_width = drv_data->scan_width;
if (data->bss_source != BSS_SOURCE_STA_PROFILE)
tmp.pub.signal = drv_data->signal;
else
@@ -2833,8 +2918,7 @@ cfg80211_inform_single_bss_frame_data(struct wiphy *wiphy,
variable = ext->u.s1g_beacon.variable;
}
- channel = cfg80211_get_bss_channel(wiphy, variable,
- ielen, data->chan, data->scan_width);
+ channel = cfg80211_get_bss_channel(wiphy, variable, ielen, data->chan);
if (!channel)
return NULL;
@@ -2887,7 +2971,6 @@ cfg80211_inform_single_bss_frame_data(struct wiphy *wiphy,
tmp.pub.beacon_interval = beacon_int;
tmp.pub.capability = capability;
tmp.pub.channel = channel;
- tmp.pub.scan_width = data->scan_width;
tmp.pub.signal = data->signal;
tmp.ts_boottime = data->boottime_ns;
tmp.parent_tsf = data->parent_tsf;
@@ -3441,59 +3524,63 @@ ieee80211_bss(struct wiphy *wiphy, struct iw_request_info *info,
cfg = (u8 *)ie + 2;
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVCUSTOM;
- sprintf(buf, "Mesh Network Path Selection Protocol ID: "
- "0x%02X", cfg[0]);
- iwe.u.data.length = strlen(buf);
+ iwe.u.data.length = sprintf(buf,
+ "Mesh Network Path Selection Protocol ID: 0x%02X",
+ cfg[0]);
current_ev = iwe_stream_add_point_check(info,
current_ev,
end_buf,
&iwe, buf);
if (IS_ERR(current_ev))
goto unlock;
- sprintf(buf, "Path Selection Metric ID: 0x%02X",
- cfg[1]);
- iwe.u.data.length = strlen(buf);
+ iwe.u.data.length = sprintf(buf,
+ "Path Selection Metric ID: 0x%02X",
+ cfg[1]);
current_ev = iwe_stream_add_point_check(info,
current_ev,
end_buf,
&iwe, buf);
if (IS_ERR(current_ev))
goto unlock;
- sprintf(buf, "Congestion Control Mode ID: 0x%02X",
- cfg[2]);
- iwe.u.data.length = strlen(buf);
+ iwe.u.data.length = sprintf(buf,
+ "Congestion Control Mode ID: 0x%02X",
+ cfg[2]);
current_ev = iwe_stream_add_point_check(info,
current_ev,
end_buf,
&iwe, buf);
if (IS_ERR(current_ev))
goto unlock;
- sprintf(buf, "Synchronization ID: 0x%02X", cfg[3]);
- iwe.u.data.length = strlen(buf);
+ iwe.u.data.length = sprintf(buf,
+ "Synchronization ID: 0x%02X",
+ cfg[3]);
current_ev = iwe_stream_add_point_check(info,
current_ev,
end_buf,
&iwe, buf);
if (IS_ERR(current_ev))
goto unlock;
- sprintf(buf, "Authentication ID: 0x%02X", cfg[4]);
- iwe.u.data.length = strlen(buf);
+ iwe.u.data.length = sprintf(buf,
+ "Authentication ID: 0x%02X",
+ cfg[4]);
current_ev = iwe_stream_add_point_check(info,
current_ev,
end_buf,
&iwe, buf);
if (IS_ERR(current_ev))
goto unlock;
- sprintf(buf, "Formation Info: 0x%02X", cfg[5]);
- iwe.u.data.length = strlen(buf);
+ iwe.u.data.length = sprintf(buf,
+ "Formation Info: 0x%02X",
+ cfg[5]);
current_ev = iwe_stream_add_point_check(info,
current_ev,
end_buf,
&iwe, buf);
if (IS_ERR(current_ev))
goto unlock;
- sprintf(buf, "Capabilities: 0x%02X", cfg[6]);
- iwe.u.data.length = strlen(buf);
+ iwe.u.data.length = sprintf(buf,
+ "Capabilities: 0x%02X",
+ cfg[6]);
current_ev = iwe_stream_add_point_check(info,
current_ev,
end_buf,
@@ -3549,17 +3636,16 @@ ieee80211_bss(struct wiphy *wiphy, struct iw_request_info *info,
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVCUSTOM;
- sprintf(buf, "tsf=%016llx", (unsigned long long)(ies->tsf));
- iwe.u.data.length = strlen(buf);
+ iwe.u.data.length = sprintf(buf, "tsf=%016llx",
+ (unsigned long long)(ies->tsf));
current_ev = iwe_stream_add_point_check(info, current_ev, end_buf,
&iwe, buf);
if (IS_ERR(current_ev))
goto unlock;
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVCUSTOM;
- sprintf(buf, " Last beacon: %ums ago",
- elapsed_jiffies_msecs(bss->ts));
- iwe.u.data.length = strlen(buf);
+ iwe.u.data.length = sprintf(buf, " Last beacon: %ums ago",
+ elapsed_jiffies_msecs(bss->ts));
current_ev = iwe_stream_add_point_check(info, current_ev,
end_buf, &iwe, buf);
if (IS_ERR(current_ev))
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 9bba233b5a..acfe66da71 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -67,7 +67,7 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev)
struct cfg80211_scan_request *request;
int n_channels, err;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
if (rdev->scan_req || rdev->scan_msg)
return -EBUSY;
@@ -151,7 +151,7 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev,
struct cfg80211_assoc_request req = {};
int err;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
if (!wdev->conn)
return 0;
@@ -255,16 +255,13 @@ void cfg80211_conn_work(struct work_struct *work)
if (!wdev->netdev)
continue;
- wdev_lock(wdev);
- if (!netif_running(wdev->netdev)) {
- wdev_unlock(wdev);
+ if (!netif_running(wdev->netdev))
continue;
- }
+
if (!wdev->conn ||
- wdev->conn->state == CFG80211_CONN_CONNECTED) {
- wdev_unlock(wdev);
+ wdev->conn->state == CFG80211_CONN_CONNECTED)
continue;
- }
+
if (wdev->conn->params.bssid) {
memcpy(bssid_buf, wdev->conn->params.bssid, ETH_ALEN);
bssid = bssid_buf;
@@ -279,7 +276,6 @@ void cfg80211_conn_work(struct work_struct *work)
cr.timeout_reason = treason;
__cfg80211_connect_result(wdev->netdev, &cr, false);
}
- wdev_unlock(wdev);
}
wiphy_unlock(&rdev->wiphy);
@@ -300,7 +296,7 @@ static struct cfg80211_bss *cfg80211_get_conn_bss(struct wireless_dev *wdev)
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
struct cfg80211_bss *bss;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
bss = cfg80211_get_bss(wdev->wiphy, wdev->conn->params.channel,
wdev->conn->params.bssid,
@@ -317,13 +313,13 @@ static struct cfg80211_bss *cfg80211_get_conn_bss(struct wireless_dev *wdev)
return bss;
}
-static void __cfg80211_sme_scan_done(struct net_device *dev)
+void cfg80211_sme_scan_done(struct net_device *dev)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
struct cfg80211_bss *bss;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
if (!wdev->conn)
return;
@@ -339,15 +335,6 @@ static void __cfg80211_sme_scan_done(struct net_device *dev)
schedule_work(&rdev->conn_work);
}
-void cfg80211_sme_scan_done(struct net_device *dev)
-{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
-
- wdev_lock(wdev);
- __cfg80211_sme_scan_done(dev);
- wdev_unlock(wdev);
-}
-
void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len)
{
struct wiphy *wiphy = wdev->wiphy;
@@ -355,7 +342,7 @@ void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len)
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf;
u16 status_code = le16_to_cpu(mgmt->u.auth.status_code);
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
if (!wdev->conn || wdev->conn->state == CFG80211_CONN_CONNECTED)
return;
@@ -702,14 +689,14 @@ static bool cfg80211_is_all_idle(void)
* need not issue a disconnect hint and reset any info such
* as chan dfs state, etc.
*/
- list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
+ for_each_rdev(rdev) {
+ wiphy_lock(&rdev->wiphy);
list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
- wdev_lock(wdev);
if (wdev->conn || wdev->connected ||
cfg80211_beaconing_iface_active(wdev))
is_all_idle = false;
- wdev_unlock(wdev);
}
+ wiphy_unlock(&rdev->wiphy);
}
return is_all_idle;
@@ -761,7 +748,7 @@ void __cfg80211_connect_result(struct net_device *dev,
const u8 *connected_addr;
bool bss_not_found = false;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION &&
wdev->iftype != NL80211_IFTYPE_P2P_CLIENT))
@@ -1093,7 +1080,7 @@ void __cfg80211_roamed(struct wireless_dev *wdev,
unsigned int link;
const u8 *connected_addr;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION &&
wdev->iftype != NL80211_IFTYPE_P2P_CLIENT))
@@ -1294,24 +1281,29 @@ out:
}
EXPORT_SYMBOL(cfg80211_roamed);
-void __cfg80211_port_authorized(struct wireless_dev *wdev, const u8 *bssid,
+void __cfg80211_port_authorized(struct wireless_dev *wdev, const u8 *peer_addr,
const u8 *td_bitmap, u8 td_bitmap_len)
{
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION &&
- wdev->iftype != NL80211_IFTYPE_P2P_CLIENT))
+ wdev->iftype != NL80211_IFTYPE_P2P_CLIENT &&
+ wdev->iftype != NL80211_IFTYPE_AP &&
+ wdev->iftype != NL80211_IFTYPE_P2P_GO))
return;
- if (WARN_ON(!wdev->connected) ||
- WARN_ON(!ether_addr_equal(wdev->u.client.connected_addr, bssid)))
- return;
+ if (wdev->iftype == NL80211_IFTYPE_STATION ||
+ wdev->iftype == NL80211_IFTYPE_P2P_CLIENT) {
+ if (WARN_ON(!wdev->connected) ||
+ WARN_ON(!ether_addr_equal(wdev->u.client.connected_addr, peer_addr)))
+ return;
+ }
nl80211_send_port_authorized(wiphy_to_rdev(wdev->wiphy), wdev->netdev,
- bssid, td_bitmap, td_bitmap_len);
+ peer_addr, td_bitmap, td_bitmap_len);
}
-void cfg80211_port_authorized(struct net_device *dev, const u8 *bssid,
+void cfg80211_port_authorized(struct net_device *dev, const u8 *peer_addr,
const u8 *td_bitmap, u8 td_bitmap_len, gfp_t gfp)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
@@ -1319,7 +1311,7 @@ void cfg80211_port_authorized(struct net_device *dev, const u8 *bssid,
struct cfg80211_event *ev;
unsigned long flags;
- if (WARN_ON(!bssid))
+ if (WARN_ON(!peer_addr))
return;
ev = kzalloc(sizeof(*ev) + td_bitmap_len, gfp);
@@ -1327,7 +1319,7 @@ void cfg80211_port_authorized(struct net_device *dev, const u8 *bssid,
return;
ev->type = EVENT_PORT_AUTHORIZED;
- memcpy(ev->pa.bssid, bssid, ETH_ALEN);
+ memcpy(ev->pa.peer_addr, peer_addr, ETH_ALEN);
ev->pa.td_bitmap = ((u8 *)ev) + sizeof(*ev);
ev->pa.td_bitmap_len = td_bitmap_len;
memcpy((void *)ev->pa.td_bitmap, td_bitmap, td_bitmap_len);
@@ -1353,7 +1345,7 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
union iwreq_data wrqu;
#endif
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION &&
wdev->iftype != NL80211_IFTYPE_P2P_CLIENT))
@@ -1443,7 +1435,7 @@ int cfg80211_connect(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
/*
* If we have an ssid_len, we're trying to connect or are
@@ -1549,7 +1541,7 @@ int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err = 0;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
kfree_sensitive(wdev->connect_keys);
wdev->connect_keys = NULL;
@@ -1585,19 +1577,18 @@ void cfg80211_autodisconnect_wk(struct work_struct *work)
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
wiphy_lock(wdev->wiphy);
- wdev_lock(wdev);
if (wdev->conn_owner_nlportid) {
switch (wdev->iftype) {
case NL80211_IFTYPE_ADHOC:
- __cfg80211_leave_ibss(rdev, wdev->netdev, false);
+ cfg80211_leave_ibss(rdev, wdev->netdev, false);
break;
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
- __cfg80211_stop_ap(rdev, wdev->netdev, -1, false);
+ cfg80211_stop_ap(rdev, wdev->netdev, -1, false);
break;
case NL80211_IFTYPE_MESH_POINT:
- __cfg80211_leave_mesh(rdev, wdev->netdev);
+ cfg80211_leave_mesh(rdev, wdev->netdev);
break;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
@@ -1622,6 +1613,5 @@ void cfg80211_autodisconnect_wk(struct work_struct *work)
}
}
- wdev_unlock(wdev);
wiphy_unlock(wdev->wiphy);
}
diff --git a/net/wireless/tests/Makefile b/net/wireless/tests/Makefile
new file mode 100644
index 0000000000..fa8e297bbc
--- /dev/null
+++ b/net/wireless/tests/Makefile
@@ -0,0 +1,3 @@
+cfg80211-tests-y += module.o fragmentation.o
+
+obj-$(CONFIG_CFG80211_KUNIT_TEST) += cfg80211-tests.o
diff --git a/net/wireless/tests/fragmentation.c b/net/wireless/tests/fragmentation.c
new file mode 100644
index 0000000000..49a339ca88
--- /dev/null
+++ b/net/wireless/tests/fragmentation.c
@@ -0,0 +1,157 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * KUnit tests for element fragmentation
+ *
+ * Copyright (C) 2023 Intel Corporation
+ */
+#include <linux/ieee80211.h>
+#include <net/cfg80211.h>
+#include <kunit/test.h>
+
+static void defragment_0(struct kunit *test)
+{
+ ssize_t ret;
+ static const u8 input[] = {
+ [0] = WLAN_EID_EXTENSION,
+ [1] = 254,
+ [2] = WLAN_EID_EXT_EHT_MULTI_LINK,
+ [27] = 27,
+ [123] = 123,
+ [254 + 2] = WLAN_EID_FRAGMENT,
+ [254 + 3] = 7,
+ [254 + 3 + 7] = 0, /* for size */
+ };
+ u8 *data = kunit_kzalloc(test, sizeof(input), GFP_KERNEL);
+
+ KUNIT_ASSERT_NOT_NULL(test, data);
+
+ ret = cfg80211_defragment_element((void *)input,
+ input, sizeof(input),
+ data, sizeof(input),
+ WLAN_EID_FRAGMENT);
+ KUNIT_EXPECT_EQ(test, ret, 253);
+ KUNIT_EXPECT_MEMEQ(test, data, input + 3, 253);
+}
+
+static void defragment_1(struct kunit *test)
+{
+ ssize_t ret;
+ static const u8 input[] = {
+ [0] = WLAN_EID_EXTENSION,
+ [1] = 255,
+ [2] = WLAN_EID_EXT_EHT_MULTI_LINK,
+ [27] = 27,
+ [123] = 123,
+ [255 + 2] = WLAN_EID_FRAGMENT,
+ [255 + 3] = 7,
+ [255 + 3 + 1] = 0xaa,
+ [255 + 3 + 8] = WLAN_EID_FRAGMENT, /* not used */
+ [255 + 3 + 9] = 1,
+ [255 + 3 + 10] = 0, /* for size */
+ };
+ u8 *data = kunit_kzalloc(test, sizeof(input), GFP_KERNEL);
+ const struct element *elem;
+ int count = 0;
+
+ KUNIT_ASSERT_NOT_NULL(test, data);
+
+ for_each_element(elem, input, sizeof(input))
+ count++;
+
+ /* check the elements are right */
+ KUNIT_ASSERT_EQ(test, count, 3);
+
+ ret = cfg80211_defragment_element((void *)input,
+ input, sizeof(input),
+ data, sizeof(input),
+ WLAN_EID_FRAGMENT);
+ /* this means the last fragment was not used */
+ KUNIT_EXPECT_EQ(test, ret, 254 + 7);
+ KUNIT_EXPECT_MEMEQ(test, data, input + 3, 254);
+ KUNIT_EXPECT_MEMEQ(test, data + 254, input + 255 + 4, 7);
+}
+
+static void defragment_2(struct kunit *test)
+{
+ ssize_t ret;
+ static const u8 input[] = {
+ [0] = WLAN_EID_EXTENSION,
+ [1] = 255,
+ [2] = WLAN_EID_EXT_EHT_MULTI_LINK,
+ [27] = 27,
+ [123] = 123,
+
+ [257 + 0] = WLAN_EID_FRAGMENT,
+ [257 + 1] = 255,
+ [257 + 20] = 0xaa,
+
+ [2 * 257 + 0] = WLAN_EID_FRAGMENT,
+ [2 * 257 + 1] = 1,
+ [2 * 257 + 2] = 0xcc,
+ [2 * 257 + 3] = WLAN_EID_FRAGMENT, /* not used */
+ [2 * 257 + 4] = 1,
+ [2 * 257 + 5] = 0, /* for size */
+ };
+ u8 *data = kunit_kzalloc(test, sizeof(input), GFP_KERNEL);
+ const struct element *elem;
+ int count = 0;
+
+ KUNIT_ASSERT_NOT_NULL(test, data);
+
+ for_each_element(elem, input, sizeof(input))
+ count++;
+
+ /* check the elements are right */
+ KUNIT_ASSERT_EQ(test, count, 4);
+
+ ret = cfg80211_defragment_element((void *)input,
+ input, sizeof(input),
+ data, sizeof(input),
+ WLAN_EID_FRAGMENT);
+ /* this means the last fragment was not used */
+ KUNIT_EXPECT_EQ(test, ret, 254 + 255 + 1);
+ KUNIT_EXPECT_MEMEQ(test, data, input + 3, 254);
+ KUNIT_EXPECT_MEMEQ(test, data + 254, input + 257 + 2, 255);
+ KUNIT_EXPECT_MEMEQ(test, data + 254 + 255, input + 2 * 257 + 2, 1);
+}
+
+static void defragment_at_end(struct kunit *test)
+{
+ ssize_t ret;
+ static const u8 input[] = {
+ [0] = WLAN_EID_EXTENSION,
+ [1] = 255,
+ [2] = WLAN_EID_EXT_EHT_MULTI_LINK,
+ [27] = 27,
+ [123] = 123,
+ [255 + 2] = WLAN_EID_FRAGMENT,
+ [255 + 3] = 7,
+ [255 + 3 + 7] = 0, /* for size */
+ };
+ u8 *data = kunit_kzalloc(test, sizeof(input), GFP_KERNEL);
+
+ KUNIT_ASSERT_NOT_NULL(test, data);
+
+ ret = cfg80211_defragment_element((void *)input,
+ input, sizeof(input),
+ data, sizeof(input),
+ WLAN_EID_FRAGMENT);
+ KUNIT_EXPECT_EQ(test, ret, 254 + 7);
+ KUNIT_EXPECT_MEMEQ(test, data, input + 3, 254);
+ KUNIT_EXPECT_MEMEQ(test, data + 254, input + 255 + 4, 7);
+}
+
+static struct kunit_case element_fragmentation_test_cases[] = {
+ KUNIT_CASE(defragment_0),
+ KUNIT_CASE(defragment_1),
+ KUNIT_CASE(defragment_2),
+ KUNIT_CASE(defragment_at_end),
+ {}
+};
+
+static struct kunit_suite element_fragmentation = {
+ .name = "cfg80211-element-defragmentation",
+ .test_cases = element_fragmentation_test_cases,
+};
+
+kunit_test_suite(element_fragmentation);
diff --git a/net/wireless/tests/module.c b/net/wireless/tests/module.c
new file mode 100644
index 0000000000..9ff7b2c123
--- /dev/null
+++ b/net/wireless/tests/module.c
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * This is just module boilerplate for the cfg80211 kunit module.
+ *
+ * Copyright (C) 2023 Intel Corporation
+ */
+#include <linux/module.h>
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("tests for cfg80211");
diff --git a/net/wireless/trace.h b/net/wireless/trace.h
index 617c0d0dfa..30cd1bd58a 100644
--- a/net/wireless/trace.h
+++ b/net/wireless/trace.h
@@ -615,49 +615,47 @@ TRACE_EVENT(rdev_start_ap,
TRACE_EVENT(rdev_change_beacon,
TP_PROTO(struct wiphy *wiphy, struct net_device *netdev,
- struct cfg80211_beacon_data *info),
+ struct cfg80211_ap_update *info),
TP_ARGS(wiphy, netdev, info),
TP_STRUCT__entry(
WIPHY_ENTRY
NETDEV_ENTRY
__field(int, link_id)
- __dynamic_array(u8, head, info ? info->head_len : 0)
- __dynamic_array(u8, tail, info ? info->tail_len : 0)
- __dynamic_array(u8, beacon_ies, info ? info->beacon_ies_len : 0)
- __dynamic_array(u8, proberesp_ies,
- info ? info->proberesp_ies_len : 0)
- __dynamic_array(u8, assocresp_ies,
- info ? info->assocresp_ies_len : 0)
- __dynamic_array(u8, probe_resp, info ? info->probe_resp_len : 0)
- ),
- TP_fast_assign(
- WIPHY_ASSIGN;
- NETDEV_ASSIGN;
- if (info) {
- __entry->link_id = info->link_id;
- if (info->head)
- memcpy(__get_dynamic_array(head), info->head,
- info->head_len);
- if (info->tail)
- memcpy(__get_dynamic_array(tail), info->tail,
- info->tail_len);
- if (info->beacon_ies)
- memcpy(__get_dynamic_array(beacon_ies),
- info->beacon_ies, info->beacon_ies_len);
- if (info->proberesp_ies)
- memcpy(__get_dynamic_array(proberesp_ies),
- info->proberesp_ies,
- info->proberesp_ies_len);
- if (info->assocresp_ies)
- memcpy(__get_dynamic_array(assocresp_ies),
- info->assocresp_ies,
- info->assocresp_ies_len);
- if (info->probe_resp)
- memcpy(__get_dynamic_array(probe_resp),
- info->probe_resp, info->probe_resp_len);
- } else {
- __entry->link_id = -1;
- }
+ __dynamic_array(u8, head, info->beacon.head_len)
+ __dynamic_array(u8, tail, info->beacon.tail_len)
+ __dynamic_array(u8, beacon_ies, info->beacon.beacon_ies_len)
+ __dynamic_array(u8, proberesp_ies, info->beacon.proberesp_ies_len)
+ __dynamic_array(u8, assocresp_ies, info->beacon.assocresp_ies_len)
+ __dynamic_array(u8, probe_resp, info->beacon.probe_resp_len)
+ ),
+ TP_fast_assign(
+ WIPHY_ASSIGN;
+ NETDEV_ASSIGN;
+ __entry->link_id = info->beacon.link_id;
+ if (info->beacon.head)
+ memcpy(__get_dynamic_array(head),
+ info->beacon.head,
+ info->beacon.head_len);
+ if (info->beacon.tail)
+ memcpy(__get_dynamic_array(tail),
+ info->beacon.tail,
+ info->beacon.tail_len);
+ if (info->beacon.beacon_ies)
+ memcpy(__get_dynamic_array(beacon_ies),
+ info->beacon.beacon_ies,
+ info->beacon.beacon_ies_len);
+ if (info->beacon.proberesp_ies)
+ memcpy(__get_dynamic_array(proberesp_ies),
+ info->beacon.proberesp_ies,
+ info->beacon.proberesp_ies_len);
+ if (info->beacon.assocresp_ies)
+ memcpy(__get_dynamic_array(assocresp_ies),
+ info->beacon.assocresp_ies,
+ info->beacon.assocresp_ies_len);
+ if (info->beacon.probe_resp)
+ memcpy(__get_dynamic_array(probe_resp),
+ info->beacon.probe_resp,
+ info->beacon.probe_resp_len);
),
TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", link_id:%d",
WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->link_id)
@@ -1323,16 +1321,18 @@ TRACE_EVENT(rdev_deauth,
NETDEV_ENTRY
MAC_ENTRY(bssid)
__field(u16, reason_code)
+ __field(bool, local_state_change)
),
TP_fast_assign(
WIPHY_ASSIGN;
NETDEV_ASSIGN;
MAC_ASSIGN(bssid, req->bssid);
__entry->reason_code = req->reason_code;
+ __entry->local_state_change = req->local_state_change;
),
- TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", bssid: %pM, reason: %u",
+ TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", bssid: %pM, reason: %u, local_state_change:%d",
WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->bssid,
- __entry->reason_code)
+ __entry->reason_code, __entry->local_state_change)
);
TRACE_EVENT(rdev_disassoc,
@@ -2928,7 +2928,7 @@ DEFINE_EVENT(netdev_evt_only, cfg80211_send_rx_auth,
TRACE_EVENT(cfg80211_send_rx_assoc,
TP_PROTO(struct net_device *netdev,
- struct cfg80211_rx_assoc_resp *data),
+ struct cfg80211_rx_assoc_resp_data *data),
TP_ARGS(netdev, data),
TP_STRUCT__entry(
NETDEV_ENTRY
@@ -3590,7 +3590,6 @@ TRACE_EVENT(cfg80211_inform_bss_frame,
TP_STRUCT__entry(
WIPHY_ENTRY
CHAN_ENTRY
- __field(enum nl80211_bss_scan_width, scan_width)
__dynamic_array(u8, mgmt, len)
__field(s32, signal)
__field(u64, ts_boottime)
@@ -3600,7 +3599,6 @@ TRACE_EVENT(cfg80211_inform_bss_frame,
TP_fast_assign(
WIPHY_ASSIGN;
CHAN_ASSIGN(data->chan);
- __entry->scan_width = data->scan_width;
if (mgmt)
memcpy(__get_dynamic_array(mgmt), mgmt, len);
__entry->signal = data->signal;
@@ -3609,8 +3607,8 @@ TRACE_EVENT(cfg80211_inform_bss_frame,
MAC_ASSIGN(parent_bssid, data->parent_bssid);
),
TP_printk(WIPHY_PR_FMT ", " CHAN_PR_FMT
- "(scan_width: %d) signal: %d, tsb:%llu, detect_tsf:%llu, tsf_bssid: %pM",
- WIPHY_PR_ARG, CHAN_PR_ARG, __entry->scan_width,
+ "signal: %d, tsb:%llu, detect_tsf:%llu, tsf_bssid: %pM",
+ WIPHY_PR_ARG, CHAN_PR_ARG,
__entry->signal, (unsigned long long)__entry->ts_boottime,
(unsigned long long)__entry->parent_tsf,
__entry->parent_bssid)
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 1783ab9d57..626b858b4b 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -43,8 +43,7 @@ ieee80211_get_response_rate(struct ieee80211_supported_band *sband,
}
EXPORT_SYMBOL(ieee80211_get_response_rate);
-u32 ieee80211_mandatory_rates(struct ieee80211_supported_band *sband,
- enum nl80211_bss_scan_width scan_width)
+u32 ieee80211_mandatory_rates(struct ieee80211_supported_band *sband)
{
struct ieee80211_rate *bitrates;
u32 mandatory_rates = 0;
@@ -54,15 +53,10 @@ u32 ieee80211_mandatory_rates(struct ieee80211_supported_band *sband,
if (WARN_ON(!sband))
return 1;
- if (sband->band == NL80211_BAND_2GHZ) {
- if (scan_width == NL80211_BSS_CHAN_WIDTH_5 ||
- scan_width == NL80211_BSS_CHAN_WIDTH_10)
- mandatory_flag = IEEE80211_RATE_MANDATORY_G;
- else
- mandatory_flag = IEEE80211_RATE_MANDATORY_B;
- } else {
+ if (sband->band == NL80211_BAND_2GHZ)
+ mandatory_flag = IEEE80211_RATE_MANDATORY_B;
+ else
mandatory_flag = IEEE80211_RATE_MANDATORY_A;
- }
bitrates = sband->bitrates;
for (i = 0; i < sband->n_bitrates; i++)
@@ -1044,7 +1038,6 @@ void cfg80211_process_wdev_events(struct wireless_dev *wdev)
list_del(&ev->list);
spin_unlock_irqrestore(&wdev->event_lock, flags);
- wdev_lock(wdev);
switch (ev->type) {
case EVENT_CONNECT_RESULT:
__cfg80211_connect_result(
@@ -1066,15 +1059,14 @@ void cfg80211_process_wdev_events(struct wireless_dev *wdev)
ev->ij.channel);
break;
case EVENT_STOPPED:
- __cfg80211_leave(wiphy_to_rdev(wdev->wiphy), wdev);
+ cfg80211_leave(wiphy_to_rdev(wdev->wiphy), wdev);
break;
case EVENT_PORT_AUTHORIZED:
- __cfg80211_port_authorized(wdev, ev->pa.bssid,
+ __cfg80211_port_authorized(wdev, ev->pa.peer_addr,
ev->pa.td_bitmap,
ev->pa.td_bitmap_len);
break;
}
- wdev_unlock(wdev);
kfree(ev);
@@ -1124,9 +1116,7 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
return -EBUSY;
dev->ieee80211_ptr->use_4addr = false;
- wdev_lock(dev->ieee80211_ptr);
rdev_set_qos_map(rdev, dev, NULL);
- wdev_unlock(dev->ieee80211_ptr);
switch (otype) {
case NL80211_IFTYPE_AP:
@@ -1138,10 +1128,8 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
break;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
- wdev_lock(dev->ieee80211_ptr);
cfg80211_disconnect(rdev, dev,
WLAN_REASON_DEAUTH_LEAVING, true);
- wdev_unlock(dev->ieee80211_ptr);
break;
case NL80211_IFTYPE_MESH_POINT:
/* mesh should be handled? */
@@ -1972,6 +1960,35 @@ size_t ieee80211_ie_split_ric(const u8 *ies, size_t ielen,
}
EXPORT_SYMBOL(ieee80211_ie_split_ric);
+void ieee80211_fragment_element(struct sk_buff *skb, u8 *len_pos, u8 frag_id)
+{
+ unsigned int elem_len;
+
+ if (!len_pos)
+ return;
+
+ elem_len = skb->data + skb->len - len_pos - 1;
+
+ while (elem_len > 255) {
+ /* this one is 255 */
+ *len_pos = 255;
+ /* remaining data gets smaller */
+ elem_len -= 255;
+ /* make space for the fragment ID/len in SKB */
+ skb_put(skb, 2);
+ /* shift back the remaining data to place fragment ID/len */
+ memmove(len_pos + 255 + 3, len_pos + 255 + 1, elem_len);
+ /* place the fragment ID */
+ len_pos += 255 + 1;
+ *len_pos = frag_id;
+ /* and point to fragment length to update later */
+ len_pos++;
+ }
+
+ *len_pos = elem_len;
+}
+EXPORT_SYMBOL(ieee80211_fragment_element);
+
bool ieee80211_operating_class_to_band(u8 operating_class,
enum nl80211_band *band)
{
@@ -1982,6 +1999,7 @@ bool ieee80211_operating_class_to_band(u8 operating_class,
*band = NL80211_BAND_5GHZ;
return true;
case 131 ... 135:
+ case 137:
*band = NL80211_BAND_6GHZ;
return true;
case 81:
@@ -2647,12 +2665,12 @@ void cfg80211_remove_link(struct wireless_dev *wdev, unsigned int link_id)
{
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
switch (wdev->iftype) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
- __cfg80211_stop_ap(rdev, wdev->netdev, link_id, true);
+ cfg80211_stop_ap(rdev, wdev->netdev, link_id, true);
break;
default:
/* per-link not relevant */
@@ -2677,12 +2695,10 @@ void cfg80211_remove_links(struct wireless_dev *wdev)
if (wdev->iftype != NL80211_IFTYPE_AP)
return;
- wdev_lock(wdev);
if (wdev->valid_links) {
for_each_valid_link(wdev, link_id)
cfg80211_remove_link(wdev, link_id);
}
- wdev_unlock(wdev);
}
int cfg80211_remove_virtual_intf(struct cfg80211_registered_device *rdev,
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index e3acfac743..2371069f3c 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -7,7 +7,7 @@
* we directly assign the wireless handlers of wireless interfaces.
*
* Copyright 2008-2009 Johannes Berg <johannes@sipsolutions.net>
- * Copyright (C) 2019-2022 Intel Corporation
+ * Copyright (C) 2019-2023 Intel Corporation
*/
#include <linux/export.h>
@@ -227,7 +227,7 @@ EXPORT_WEXT_HANDLER(cfg80211_wext_giwrange);
* cfg80211_wext_freq - get wext frequency for non-"auto"
* @freq: the wext freq encoding
*
- * Returns a frequency, or a negative error code, or 0 for auto.
+ * Returns: a frequency, or a negative error code, or 0 for auto.
*/
int cfg80211_wext_freq(struct iw_freq *freq)
{
@@ -415,10 +415,10 @@ int cfg80211_wext_giwretry(struct net_device *dev,
}
EXPORT_WEXT_HANDLER(cfg80211_wext_giwretry);
-static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
- struct net_device *dev, bool pairwise,
- const u8 *addr, bool remove, bool tx_key,
- int idx, struct key_params *params)
+static int cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, bool pairwise,
+ const u8 *addr, bool remove, bool tx_key,
+ int idx, struct key_params *params)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err, i;
@@ -471,7 +471,7 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
*/
if (idx == wdev->wext.default_key &&
wdev->iftype == NL80211_IFTYPE_ADHOC) {
- __cfg80211_leave_ibss(rdev, wdev->netdev, true);
+ cfg80211_leave_ibss(rdev, wdev->netdev, true);
rejoin = true;
}
@@ -552,7 +552,7 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
*/
if (wdev->iftype == NL80211_IFTYPE_ADHOC &&
wdev->wext.default_key == -1) {
- __cfg80211_leave_ibss(rdev, wdev->netdev, true);
+ cfg80211_leave_ibss(rdev, wdev->netdev, true);
rejoin = true;
}
err = rdev_set_default_key(rdev, dev, -1, idx, true,
@@ -580,21 +580,6 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
return 0;
}
-static int cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
- struct net_device *dev, bool pairwise,
- const u8 *addr, bool remove, bool tx_key,
- int idx, struct key_params *params)
-{
- int err;
-
- wdev_lock(dev->ieee80211_ptr);
- err = __cfg80211_set_encryption(rdev, dev, pairwise, addr,
- remove, tx_key, idx, params);
- wdev_unlock(dev->ieee80211_ptr);
-
- return err;
-}
-
static int cfg80211_wext_siwencode(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *keybuf)
@@ -639,7 +624,6 @@ static int cfg80211_wext_siwencode(struct net_device *dev,
else if (erq->length == 0) {
/* No key data - just set the default TX key index */
err = 0;
- wdev_lock(wdev);
if (wdev->connected ||
(wdev->iftype == NL80211_IFTYPE_ADHOC &&
wdev->u.ibss.current_bss))
@@ -647,7 +631,6 @@ static int cfg80211_wext_siwencode(struct net_device *dev,
true);
if (!err)
wdev->wext.default_key = idx;
- wdev_unlock(wdev);
goto out;
}
@@ -697,12 +680,8 @@ static int cfg80211_wext_siwencodeext(struct net_device *dev,
!rdev->ops->set_default_key)
return -EOPNOTSUPP;
- wdev_lock(wdev);
- if (wdev->valid_links) {
- wdev_unlock(wdev);
+ if (wdev->valid_links)
return -EOPNOTSUPP;
- }
- wdev_unlock(wdev);
switch (ext->alg) {
case IW_ENCODE_ALG_NONE:
@@ -1341,13 +1320,11 @@ static int cfg80211_wext_giwrate(struct net_device *dev,
return -EOPNOTSUPP;
err = 0;
- wdev_lock(wdev);
if (!wdev->valid_links && wdev->links[0].client.current_bss)
memcpy(addr, wdev->links[0].client.current_bss->pub.bssid,
ETH_ALEN);
else
err = -EOPNOTSUPP;
- wdev_unlock(wdev);
if (err)
return err;
@@ -1387,17 +1364,15 @@ static struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev)
return NULL;
/* Grab BSSID of current BSS, if any */
- wdev_lock(wdev);
+ wiphy_lock(&rdev->wiphy);
if (wdev->valid_links || !wdev->links[0].client.current_bss) {
- wdev_unlock(wdev);
+ wiphy_unlock(&rdev->wiphy);
return NULL;
}
memcpy(bssid, wdev->links[0].client.current_bss->pub.bssid, ETH_ALEN);
- wdev_unlock(wdev);
memset(&sinfo, 0, sizeof(sinfo));
- wiphy_lock(&rdev->wiphy);
ret = rdev_get_station(rdev, dev, bssid, &sinfo);
wiphy_unlock(&rdev->wiphy);
diff --git a/net/wireless/wext-sme.c b/net/wireless/wext-sme.c
index f3eaa33886..8edd9ada69 100644
--- a/net/wireless/wext-sme.c
+++ b/net/wireless/wext-sme.c
@@ -23,7 +23,7 @@ int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
int err, i;
ASSERT_RTNL();
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
if (!netif_running(wdev->netdev))
return 0;
@@ -87,15 +87,11 @@ int cfg80211_mgd_wext_siwfreq(struct net_device *dev,
return -EINVAL;
}
- wdev_lock(wdev);
-
if (wdev->conn) {
bool event = true;
- if (wdev->wext.connect.channel == chan) {
- err = 0;
- goto out;
- }
+ if (wdev->wext.connect.channel == chan)
+ return 0;
/* if SSID set, we'll try right again, avoid event */
if (wdev->wext.connect.ssid_len)
@@ -103,14 +99,11 @@ int cfg80211_mgd_wext_siwfreq(struct net_device *dev,
err = cfg80211_disconnect(rdev, dev,
WLAN_REASON_DEAUTH_LEAVING, event);
if (err)
- goto out;
+ return err;
}
wdev->wext.connect.channel = chan;
- err = cfg80211_mgd_wext_connect(rdev, wdev);
- out:
- wdev_unlock(wdev);
- return err;
+ return cfg80211_mgd_wext_connect(rdev, wdev);
}
int cfg80211_mgd_wext_giwfreq(struct net_device *dev,
@@ -127,12 +120,10 @@ int cfg80211_mgd_wext_giwfreq(struct net_device *dev,
if (wdev->valid_links)
return -EOPNOTSUPP;
- wdev_lock(wdev);
if (wdev->links[0].client.current_bss)
chan = wdev->links[0].client.current_bss->pub.channel;
else if (wdev->wext.connect.channel)
chan = wdev->wext.connect.channel;
- wdev_unlock(wdev);
if (chan) {
freq->m = chan->center_freq;
@@ -164,17 +155,13 @@ int cfg80211_mgd_wext_siwessid(struct net_device *dev,
if (len > 0 && ssid[len - 1] == '\0')
len--;
- wdev_lock(wdev);
-
- err = 0;
-
if (wdev->conn) {
bool event = true;
if (wdev->wext.connect.ssid && len &&
len == wdev->wext.connect.ssid_len &&
memcmp(wdev->wext.connect.ssid, ssid, len) == 0)
- goto out;
+ return 0;
/* if SSID set now, we'll try to connect, avoid event */
if (len)
@@ -182,7 +169,7 @@ int cfg80211_mgd_wext_siwessid(struct net_device *dev,
err = cfg80211_disconnect(rdev, dev,
WLAN_REASON_DEAUTH_LEAVING, event);
if (err)
- goto out;
+ return err;
}
wdev->wext.prev_bssid_valid = false;
@@ -194,10 +181,7 @@ int cfg80211_mgd_wext_siwessid(struct net_device *dev,
wdev->wext.connect.crypto.control_port_ethertype =
cpu_to_be16(ETH_P_PAE);
- err = cfg80211_mgd_wext_connect(rdev, wdev);
- out:
- wdev_unlock(wdev);
- return err;
+ return cfg80211_mgd_wext_connect(rdev, wdev);
}
int cfg80211_mgd_wext_giwessid(struct net_device *dev,
@@ -216,7 +200,6 @@ int cfg80211_mgd_wext_giwessid(struct net_device *dev,
data->flags = 0;
- wdev_lock(wdev);
if (wdev->links[0].client.current_bss) {
const struct element *ssid_elem;
@@ -238,7 +221,6 @@ int cfg80211_mgd_wext_giwessid(struct net_device *dev,
data->length = wdev->wext.connect.ssid_len;
memcpy(ssid, wdev->wext.connect.ssid, data->length);
}
- wdev_unlock(wdev);
return ret;
}
@@ -263,23 +245,20 @@ int cfg80211_mgd_wext_siwap(struct net_device *dev,
if (is_zero_ether_addr(bssid) || is_broadcast_ether_addr(bssid))
bssid = NULL;
- wdev_lock(wdev);
-
if (wdev->conn) {
- err = 0;
/* both automatic */
if (!bssid && !wdev->wext.connect.bssid)
- goto out;
+ return 0;
/* fixed already - and no change */
if (wdev->wext.connect.bssid && bssid &&
ether_addr_equal(bssid, wdev->wext.connect.bssid))
- goto out;
+ return 0;
err = cfg80211_disconnect(rdev, dev,
WLAN_REASON_DEAUTH_LEAVING, false);
if (err)
- goto out;
+ return err;
}
if (bssid) {
@@ -288,10 +267,7 @@ int cfg80211_mgd_wext_siwap(struct net_device *dev,
} else
wdev->wext.connect.bssid = NULL;
- err = cfg80211_mgd_wext_connect(rdev, wdev);
- out:
- wdev_unlock(wdev);
- return err;
+ return cfg80211_mgd_wext_connect(rdev, wdev);
}
int cfg80211_mgd_wext_giwap(struct net_device *dev,
@@ -306,18 +282,15 @@ int cfg80211_mgd_wext_giwap(struct net_device *dev,
ap_addr->sa_family = ARPHRD_ETHER;
- wdev_lock(wdev);
- if (wdev->valid_links) {
- wdev_unlock(wdev);
+ if (wdev->valid_links)
return -EOPNOTSUPP;
- }
+
if (wdev->links[0].client.current_bss)
memcpy(ap_addr->sa_data,
wdev->links[0].client.current_bss->pub.bssid,
ETH_ALEN);
else
eth_zero_addr(ap_addr->sa_data);
- wdev_unlock(wdev);
return 0;
}
@@ -339,7 +312,6 @@ int cfg80211_wext_siwgenie(struct net_device *dev,
ie = NULL;
wiphy_lock(wdev->wiphy);
- wdev_lock(wdev);
/* no change */
err = 0;
@@ -370,7 +342,6 @@ int cfg80211_wext_siwgenie(struct net_device *dev,
/* userspace better not think we'll reconnect */
err = 0;
out:
- wdev_unlock(wdev);
wiphy_unlock(wdev->wiphy);
return err;
}
@@ -396,7 +367,6 @@ int cfg80211_wext_siwmlme(struct net_device *dev,
return -EINVAL;
wiphy_lock(&rdev->wiphy);
- wdev_lock(wdev);
switch (mlme->cmd) {
case IW_MLME_DEAUTH:
case IW_MLME_DISASSOC:
@@ -406,7 +376,6 @@ int cfg80211_wext_siwmlme(struct net_device *dev,
err = -EOPNOTSUPP;
break;
}
- wdev_unlock(wdev);
wiphy_unlock(&rdev->wiphy);
return err;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-06 00:59:06 +0000