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authorJohn W. Linville <linville@tuxdriver.com>2013-05-29 14:51:50 -0400
committerJohn W. Linville <linville@tuxdriver.com>2013-05-29 14:51:50 -0400
commit933faa43ab9c1545c53ea082a8e4e1d1859568aa (patch)
tree933a7e52081af4cb32699587cb79173537f6c638
parent531efffc3e3ff52d732c8fa6f32e084e9c447612 (diff)
parent6abb9cb99f33b20c2f32f18a3ae9cc7543e46edb (diff)
Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
-rw-r--r--Documentation/DocBook/80211.tmpl2
-rw-r--r--drivers/net/wireless/iwlegacy/commands.h8
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/commands.h8
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/mac80211.c14
-rw-r--r--drivers/net/wireless/iwlwifi/pcie/tx.c6
-rw-r--r--drivers/net/wireless/mac80211_hwsim.c22
-rw-r--r--include/linux/ieee80211.h9
-rw-r--r--include/net/cfg80211.h86
-rw-r--r--include/net/ieee80211_radiotap.h7
-rw-r--r--include/net/mac80211.h26
-rw-r--r--include/uapi/linux/nl80211.h20
-rw-r--r--net/mac80211/aes_ccm.c6
-rw-r--r--net/mac80211/cfg.c20
-rw-r--r--net/mac80211/debugfs_netdev.c15
-rw-r--r--net/mac80211/ht.c4
-rw-r--r--net/mac80211/ibss.c49
-rw-r--r--net/mac80211/ieee80211_i.h29
-rw-r--r--net/mac80211/iface.c18
-rw-r--r--net/mac80211/key.c24
-rw-r--r--net/mac80211/key.h15
-rw-r--r--net/mac80211/main.c4
-rw-r--r--net/mac80211/mesh.c38
-rw-r--r--net/mac80211/mesh_plink.c7
-rw-r--r--net/mac80211/mlme.c410
-rw-r--r--net/mac80211/rate.c9
-rw-r--r--net/mac80211/rx.c33
-rw-r--r--net/mac80211/sta_info.c2
-rw-r--r--net/mac80211/sta_info.h5
-rw-r--r--net/mac80211/tkip.c4
-rw-r--r--net/mac80211/util.c37
-rw-r--r--net/mac80211/wep.c48
-rw-r--r--net/mac80211/wpa.c68
-rw-r--r--net/wireless/core.c237
-rw-r--r--net/wireless/core.h93
-rw-r--r--net/wireless/debugfs.c4
-rw-r--r--net/wireless/ibss.c10
-rw-r--r--net/wireless/mesh.c3
-rw-r--r--net/wireless/mlme.c216
-rw-r--r--net/wireless/nl80211.c346
-rw-r--r--net/wireless/reg.c136
-rw-r--r--net/wireless/scan.c47
-rw-r--r--net/wireless/sme.c113
-rw-r--r--net/wireless/sysfs.c8
-rw-r--r--net/wireless/trace.h27
-rw-r--r--net/wireless/util.c39
-rw-r--r--net/wireless/wext-compat.c22
-rw-r--r--net/wireless/wext-sme.c41
47 files changed, 1007 insertions, 1388 deletions
diff --git a/Documentation/DocBook/80211.tmpl b/Documentation/DocBook/80211.tmpl
index 0f6a3edcd44..ebe89694cf8 100644
--- a/Documentation/DocBook/80211.tmpl
+++ b/Documentation/DocBook/80211.tmpl
@@ -132,9 +132,7 @@
!Finclude/net/cfg80211.h cfg80211_send_rx_assoc
!Finclude/net/cfg80211.h cfg80211_send_assoc_timeout
!Finclude/net/cfg80211.h cfg80211_send_deauth
-!Finclude/net/cfg80211.h __cfg80211_send_deauth
!Finclude/net/cfg80211.h cfg80211_send_disassoc
-!Finclude/net/cfg80211.h __cfg80211_send_disassoc
!Finclude/net/cfg80211.h cfg80211_ibss_joined
!Finclude/net/cfg80211.h cfg80211_connect_result
!Finclude/net/cfg80211.h cfg80211_roamed
diff --git a/drivers/net/wireless/iwlegacy/commands.h b/drivers/net/wireless/iwlegacy/commands.h
index 3b6c9940089..04842151198 100644
--- a/drivers/net/wireless/iwlegacy/commands.h
+++ b/drivers/net/wireless/iwlegacy/commands.h
@@ -1348,14 +1348,6 @@ struct il_rx_mpdu_res_start {
#define TX_CMD_SEC_KEY128 0x08
/*
- * security overhead sizes
- */
-#define WEP_IV_LEN 4
-#define WEP_ICV_LEN 4
-#define CCMP_MIC_LEN 8
-#define TKIP_ICV_LEN 4
-
-/*
* C_TX = 0x1c (command)
*/
diff --git a/drivers/net/wireless/iwlwifi/dvm/commands.h b/drivers/net/wireless/iwlwifi/dvm/commands.h
index 19f3ce7646a..ebdac909f0c 100644
--- a/drivers/net/wireless/iwlwifi/dvm/commands.h
+++ b/drivers/net/wireless/iwlwifi/dvm/commands.h
@@ -1221,14 +1221,6 @@ struct iwl_rx_mpdu_res_start {
#define TX_CMD_SEC_KEY128 0x08
/*
- * security overhead sizes
- */
-#define WEP_IV_LEN 4
-#define WEP_ICV_LEN 4
-#define CCMP_MIC_LEN 8
-#define TKIP_ICV_LEN 4
-
-/*
* REPLY_TX = 0x1c (command)
*/
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index dc50020d746..12337aac294 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -84,15 +84,6 @@ static const struct ieee80211_iface_limit iwl_mvm_limits[] = {
.types = BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_AP),
},
- {
- .max = 1,
- .types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
- BIT(NL80211_IFTYPE_P2P_GO),
- },
- {
- .max = 1,
- .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
- },
};
static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = {
@@ -173,10 +164,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
hw->chanctx_data_size = sizeof(u16);
hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
- BIT(NL80211_IFTYPE_P2P_CLIENT) |
- BIT(NL80211_IFTYPE_AP) |
- BIT(NL80211_IFTYPE_P2P_GO) |
- BIT(NL80211_IFTYPE_P2P_DEVICE);
+ BIT(NL80211_IFTYPE_AP);
hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY |
WIPHY_FLAG_DISABLE_BEACON_HINTS |
diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c
index bf5f8246385..a35c6aefbc3 100644
--- a/drivers/net/wireless/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/tx.c
@@ -224,13 +224,13 @@ static void iwl_pcie_txq_update_byte_cnt_tbl(struct iwl_trans *trans,
switch (sec_ctl & TX_CMD_SEC_MSK) {
case TX_CMD_SEC_CCM:
- len += CCMP_MIC_LEN;
+ len += IEEE80211_CCMP_MIC_LEN;
break;
case TX_CMD_SEC_TKIP:
- len += TKIP_ICV_LEN;
+ len += IEEE80211_TKIP_ICV_LEN;
break;
case TX_CMD_SEC_WEP:
- len += WEP_IV_LEN + WEP_ICV_LEN;
+ len += IEEE80211_WEP_IV_LEN + IEEE80211_WEP_ICV_LEN;
break;
}
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index b878a32e7a9..69bbf6fdd2d 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -1723,11 +1723,11 @@ static void mac80211_hwsim_free(void)
class_destroy(hwsim_class);
}
-
-static struct device_driver mac80211_hwsim_driver = {
- .name = "mac80211_hwsim",
- .bus = &platform_bus_type,
- .owner = THIS_MODULE,
+static struct platform_driver mac80211_hwsim_driver = {
+ .driver = {
+ .name = "mac80211_hwsim",
+ .owner = THIS_MODULE,
+ },
};
static const struct net_device_ops hwsim_netdev_ops = {
@@ -2169,7 +2169,6 @@ static const struct ieee80211_iface_limit hwsim_if_limits[] = {
#endif
BIT(NL80211_IFTYPE_AP) |
BIT(NL80211_IFTYPE_P2P_GO) },
- { .max = 1, .types = BIT(NL80211_IFTYPE_P2P_DEVICE) },
};
static struct ieee80211_iface_combination hwsim_if_comb = {
@@ -2219,7 +2218,7 @@ static int __init init_mac80211_hwsim(void)
spin_lock_init(&hwsim_radio_lock);
INIT_LIST_HEAD(&hwsim_radios);
- err = driver_register(&mac80211_hwsim_driver);
+ err = platform_driver_register(&mac80211_hwsim_driver);
if (err)
return err;
@@ -2254,7 +2253,7 @@ static int __init init_mac80211_hwsim(void)
err = -ENOMEM;
goto failed_drvdata;
}
- data->dev->driver = &mac80211_hwsim_driver;
+ data->dev->driver = &mac80211_hwsim_driver.driver;
err = device_bind_driver(data->dev);
if (err != 0) {
printk(KERN_DEBUG
@@ -2295,8 +2294,7 @@ static int __init init_mac80211_hwsim(void)
BIT(NL80211_IFTYPE_P2P_CLIENT) |
BIT(NL80211_IFTYPE_P2P_GO) |
BIT(NL80211_IFTYPE_ADHOC) |
- BIT(NL80211_IFTYPE_MESH_POINT) |
- BIT(NL80211_IFTYPE_P2P_DEVICE);
+ BIT(NL80211_IFTYPE_MESH_POINT);
hw->flags = IEEE80211_HW_MFP_CAPABLE |
IEEE80211_HW_SIGNAL_DBM |
@@ -2564,7 +2562,7 @@ failed_drvdata:
failed:
mac80211_hwsim_free();
failed_unregister_driver:
- driver_unregister(&mac80211_hwsim_driver);
+ platform_driver_unregister(&mac80211_hwsim_driver);
return err;
}
module_init(init_mac80211_hwsim);
@@ -2577,6 +2575,6 @@ static void __exit exit_mac80211_hwsim(void)
mac80211_hwsim_free();
unregister_netdev(hwsim_mon);
- driver_unregister(&mac80211_hwsim_driver);
+ platform_driver_unregister(&mac80211_hwsim_driver);
}
module_exit(exit_mac80211_hwsim);
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 06b0ed0154a..d826e5a84af 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -1829,6 +1829,15 @@ enum ieee80211_key_len {
WLAN_KEY_LEN_AES_CMAC = 16,
};
+#define IEEE80211_WEP_IV_LEN 4
+#define IEEE80211_WEP_ICV_LEN 4
+#define IEEE80211_CCMP_HDR_LEN 8
+#define IEEE80211_CCMP_MIC_LEN 8
+#define IEEE80211_CCMP_PN_LEN 6
+#define IEEE80211_TKIP_IV_LEN 8
+#define IEEE80211_TKIP_ICV_LEN 4
+#define IEEE80211_CMAC_PN_LEN 6
+
/* Public action codes */
enum ieee80211_pub_actioncode {
WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 26b5b692c22..b3b076a46d5 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -753,6 +753,8 @@ int cfg80211_check_station_change(struct wiphy *wiphy,
* @STATION_INFO_LOCAL_PM: @local_pm filled
* @STATION_INFO_PEER_PM: @peer_pm filled
* @STATION_INFO_NONPEER_PM: @nonpeer_pm filled
+ * @STATION_INFO_CHAIN_SIGNAL: @chain_signal filled
+ * @STATION_INFO_CHAIN_SIGNAL_AVG: @chain_signal_avg filled
*/
enum station_info_flags {
STATION_INFO_INACTIVE_TIME = 1<<0,
@@ -781,6 +783,8 @@ enum station_info_flags {
STATION_INFO_NONPEER_PM = 1<<23,
STATION_INFO_RX_BYTES64 = 1<<24,
STATION_INFO_TX_BYTES64 = 1<<25,
+ STATION_INFO_CHAIN_SIGNAL = 1<<26,
+ STATION_INFO_CHAIN_SIGNAL_AVG = 1<<27,
};
/**
@@ -857,6 +861,8 @@ struct sta_bss_parameters {
u16 beacon_interval;
};
+#define IEEE80211_MAX_CHAINS 4
+
/**
* struct station_info - station information
*
@@ -874,6 +880,9 @@ struct sta_bss_parameters {
* For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_.
* @signal_avg: Average signal strength, type depends on the wiphy's signal_type.
* For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_.
+ * @chains: bitmask for filled values in @chain_signal, @chain_signal_avg
+ * @chain_signal: per-chain signal strength of last received packet in dBm
+ * @chain_signal_avg: per-chain signal strength average in dBm
* @txrate: current unicast bitrate from this station
* @rxrate: current unicast bitrate to this station
* @rx_packets: packets received from this station
@@ -909,6 +918,11 @@ struct station_info {
u8 plink_state;
s8 signal;
s8 signal_avg;
+
+ u8 chains;
+ s8 chain_signal[IEEE80211_MAX_CHAINS];
+ s8 chain_signal_avg[IEEE80211_MAX_CHAINS];
+
struct rate_info txrate;
struct rate_info rxrate;
u32 rx_packets;
@@ -1147,6 +1161,7 @@ struct mesh_config {
* @sync_method: which synchronization method to use
* @path_sel_proto: which path selection protocol to use
* @path_metric: which metric to use
+ * @auth_id: which authentication method this mesh is using
* @ie: vendor information elements (optional)
* @ie_len: length of vendor information elements
* @is_authenticated: this mesh requires authentication
@@ -1165,6 +1180,7 @@ struct mesh_setup {
u8 sync_method;
u8 path_sel_proto;
u8 path_metric;
+ u8 auth_id;
const u8 *ie;
u8 ie_len;
bool is_authenticated;
@@ -1241,6 +1257,7 @@ struct cfg80211_ssid {
* @scan_start: time (in jiffies) when the scan started
* @wdev: the wireless device to scan for
* @aborted: (internal) scan request was notified as aborted
+ * @notified: (internal) scan request was notified as done or aborted
* @no_cck: used to send probe requests at non CCK rate in 2GHz band
*/
struct cfg80211_scan_request {
@@ -1258,7 +1275,7 @@ struct cfg80211_scan_request {
/* internal */
struct wiphy *wiphy;
unsigned long scan_start;
- bool aborted;
+ bool aborted, notified;
bool no_cck;
/* keep last */
@@ -1850,7 +1867,9 @@ struct cfg80211_update_ft_ies_params {
* @get_mpath: get a mesh path for the given parameters
* @dump_mpath: dump mesh path callback -- resume dump at index @idx
* @join_mesh: join the mesh network with the specified parameters
+ * (invoked with the wireless_dev mutex held)
* @leave_mesh: leave the current mesh network
+ * (invoked with the wireless_dev mutex held)
*
* @get_mesh_config: Get the current mesh configuration
*
@@ -1877,20 +1896,28 @@ struct cfg80211_update_ft_ies_params {
* the scan/scan_done bracket too.
*
* @auth: Request to authenticate with the specified peer
+ * (invoked with the wireless_dev mutex held)
* @assoc: Request to (re)associate with the specified peer
+ * (invoked with the wireless_dev mutex held)
* @deauth: Request to deauthenticate from the specified peer
+ * (invoked with the wireless_dev mutex held)
* @disassoc: Request to disassociate from the specified peer
+ * (invoked with the wireless_dev mutex held)
*
* @connect: Connect to the ESS with the specified parameters. When connected,
* call cfg80211_connect_result() with status code %WLAN_STATUS_SUCCESS.
* If the connection fails for some reason, call cfg80211_connect_result()
* with the status from the AP.
+ * (invoked with the wireless_dev mutex held)
* @disconnect: Disconnect from the BSS/ESS.
+ * (invoked with the wireless_dev mutex held)
*
* @join_ibss: Join the specified IBSS (or create if necessary). Once done, call
* cfg80211_ibss_joined(), also call that function when changing BSSID due
* to a merge.
+ * (invoked with the wireless_dev mutex held)
* @leave_ibss: Leave the IBSS.
+ * (invoked with the wireless_dev mutex held)
*
* @set_mcast_rate: Set the specified multicast rate (only if vif is in ADHOC or
* MESH mode)
@@ -2556,6 +2583,9 @@ struct wiphy_wowlan_support {
* may request, if implemented.
*
* @wowlan: WoWLAN support information
+ * @wowlan_config: current WoWLAN configuration; this should usually not be
+ * used since access to it is necessarily racy, use the parameter passed
+ * to the suspend() operation instead.
*
* @ap_sme_capa: AP SME capabilities, flags from &enum nl80211_ap_sme_features.
* @ht_capa_mod_mask: Specify what ht_cap values can be over-ridden.
@@ -2623,6 +2653,7 @@ struct wiphy {
#ifdef CONFIG_PM
struct wiphy_wowlan_support wowlan;
+ struct cfg80211_wowlan *wowlan_config;
#endif
u16 max_remain_on_channel_duration;
@@ -2834,7 +2865,8 @@ struct cfg80211_cached_keys;
* by cfg80211 on change_interface
* @mgmt_registrations: list of registrations for management frames
* @mgmt_registrations_lock: lock for the list
- * @mtx: mutex used to lock data in this struct
+ * @mtx: mutex used to lock data in this struct, may be used by drivers
+ * and some API functions require it held
* @cleanup_work: work struct used for cleanup that can't be done directly
* @beacon_interval: beacon interval used on this device for transmitting
* beacons, 0 when not valid
@@ -2858,8 +2890,6 @@ struct wireless_dev {
struct mutex mtx;
- struct work_struct cleanup_work;
-
bool use_4addr, p2p_started;
u8 address[ETH_ALEN] __aligned(sizeof(u16));
@@ -2989,6 +3019,15 @@ struct ieee80211_rate *
ieee80211_get_response_rate(struct ieee80211_supported_band *sband,
u32 basic_rates, int bitrate);
+/**
+ * ieee80211_mandatory_rates - get mandatory rates for a given band
+ * @sband: the band to look for rates in
+ *
+ * This function returns a bitmap of the mandatory rates for the given
+ * band, bits are set according to the rate position in the bitrates array.
+ */
+u32 ieee80211_mandatory_rates(struct ieee80211_supported_band *sband);
+
/*
* Radiotap parsing functions -- for controlled injection support
*
@@ -3400,7 +3439,8 @@ void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *bss);
* This function is called whenever an authentication has been processed in
* station mode. The driver is required to call either this function or
* cfg80211_send_auth_timeout() to indicate the result of cfg80211_ops::auth()
- * call. This function may sleep.
+ * call. This function may sleep. The caller must hold the corresponding wdev's
+ * mutex.
*/
void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len);
@@ -3409,7 +3449,8 @@ void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len);
* @dev: network device
* @addr: The MAC address of the device with which the authentication timed out
*
- * This function may sleep.
+ * This function may sleep. The caller must hold the corresponding wdev's
+ * mutex.
*/
void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr);
@@ -3424,7 +3465,8 @@ void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr);
* This function is called whenever a (re)association response has been
* processed in station mode. The driver is required to call either this
* function or cfg80211_send_assoc_timeout() to indicate the result of
- * cfg80211_ops::assoc() call. This function may sleep.
+ * cfg80211_ops::assoc() call. This function may sleep. The caller must hold
+ * the corresponding wdev's mutex.
*/
void cfg80211_send_rx_assoc(struct net_device *dev, struct cfg80211_bss *bss,
const u8 *buf, size_t len);
@@ -3434,7 +3476,7 @@ void cfg80211_send_rx_assoc(struct net_device *dev, struct cfg80211_bss *bss,
* @dev: network device
* @addr: The MAC address of the device with which the association timed out
*
- * This function may sleep.
+ * This function may sleep. The caller must hold the corresponding wdev's mutex.
*/
void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr);
@@ -3446,21 +3488,12 @@ void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr);
*
* This function is called whenever deauthentication has been processed in
* station mode. This includes both received deauthentication frames and
- * locally generated ones. This function may sleep.
+ * locally generated ones. This function may sleep. The caller must hold the
+ * corresponding wdev's mutex.
*/
void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len);
/**
- * __cfg80211_send_deauth - notification of processed deauthentication
- * @dev: network device
- * @buf: deauthentication frame (header + body)
- * @len: length of the frame data
- *
- * Like cfg80211_send_deauth(), but doesn't take the wdev lock.
- */
-void __cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len);
-
-/**
* cfg80211_send_disassoc - notification of processed disassociation
* @dev: network device
* @buf: disassociation response frame (header + body)
@@ -3468,22 +3501,12 @@ void __cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len);
*
* This function is called whenever disassociation has been processed in
* station mode. This includes both received disassociation frames and locally
- * generated ones. This function may sleep.
+ * generated ones. This function may sleep. The caller must hold the
+ * corresponding wdev's mutex.
*/
void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len);
/**
- * __cfg80211_send_disassoc - notification of processed disassociation
- * @dev: network device
- * @buf: disassociation response frame (header + body)
- * @len: length of the frame data
- *
- * Like cfg80211_send_disassoc(), but doesn't take the wdev lock.
- */
-void __cfg80211_send_disassoc(struct net_device *dev, const u8 *buf,
- size_t len);
-
-/**
* cfg80211_send_unprot_deauth - notification of unprotected deauthentication
* @dev: network device
* @buf: deauthentication frame (header + body)
@@ -4153,6 +4176,7 @@ void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
* cfg80211_crit_proto_stopped() - indicate critical protocol stopped by driver.
*
* @wdev: the wireless device for which critical protocol is stopped.
+ * @gfp: allocation flags
*
* This function can be called by the driver to indicate it has reverted
* operation back to normal. One reason could be that the duration given
diff --git a/include/net/ieee80211_radiotap.h b/include/net/ieee80211_radiotap.h
index c3999632e61..c6d07cb074b 100644
--- a/include/net/ieee80211_radiotap.h
+++ b/include/net/ieee80211_radiotap.h
@@ -269,6 +269,7 @@ enum ieee80211_radiotap_type {
#define IEEE80211_RADIOTAP_MCS_HAVE_GI 0x04
#define IEEE80211_RADIOTAP_MCS_HAVE_FMT 0x08
#define IEEE80211_RADIOTAP_MCS_HAVE_FEC 0x10
+#define IEEE80211_RADIOTAP_MCS_HAVE_STBC 0x20
#define IEEE80211_RADIOTAP_MCS_BW_MASK 0x03
#define IEEE80211_RADIOTAP_MCS_BW_20 0
@@ -278,6 +279,12 @@ enum ieee80211_radiotap_type {
#define IEEE80211_RADIOTAP_MCS_SGI 0x04
#define IEEE80211_RADIOTAP_MCS_FMT_GF 0x08
#define IEEE80211_RADIOTAP_MCS_FEC_LDPC 0x10
+#define IEEE80211_RADIOTAP_MCS_STBC_MASK 0x60
+#define IEEE80211_RADIOTAP_MCS_STBC_1 1
+#define IEEE80211_RADIOTAP_MCS_STBC_2 2
+#define IEEE80211_RADIOTAP_MCS_STBC_3 3
+
+#define IEEE80211_RADIOTAP_MCS_STBC_SHIFT 5
/* For IEEE80211_RADIOTAP_AMPDU_STATUS */
#define IEEE80211_RADIOTAP_AMPDU_REPORT_ZEROLEN 0x0001
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 04c2d4670dc..1f0014bd4d8 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -805,6 +805,7 @@ ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info)
* on this subframe
* @RX_FLAG_AMPDU_DELIM_CRC_KNOWN: The delimiter CRC field is known (the CRC
* is stored in the @ampdu_delimiter_crc field)
+ * @RX_FLAG_STBC_MASK: STBC 2 bit bitmask. 1 - Nss=1, 2 - Nss=2, 3 - Nss=3
*/
enum mac80211_rx_flags {
RX_FLAG_MMIC_ERROR = BIT(0),
@@ -832,8 +833,11 @@ enum mac80211_rx_flags {
RX_FLAG_80MHZ = BIT(23),
RX_FLAG_80P80MHZ = BIT(24),
RX_FLAG_160MHZ = BIT(25),
+ RX_FLAG_STBC_MASK = BIT(26) | BIT(27),
};
+#define RX_FLAG_STBC_SHIFT 26
+
/**
* struct ieee80211_rx_status - receive status
*
@@ -850,6 +854,10 @@ enum mac80211_rx_flags {
* @signal: signal strength when receiving this frame, either in dBm, in dB or
* unspecified depending on the hardware capabilities flags
* @IEEE80211_HW_SIGNAL_*
+ * @chains: bitmask of receive chains for which separate signal strength
+ * values were filled.
+ * @chain_signal: per-chain signal strength, in dBm (unlike @signal, doesn't
+ * support dB or unspecified units)
* @antenna: antenna used
* @rate_idx: index of data rate into band's supported rates or MCS index if
* HT or VHT is used (%RX_FLAG_HT/%RX_FLAG_VHT)
@@ -881,6 +889,8 @@ struct ieee80211_rx_status {
u8 band;
u8 antenna;
s8 signal;
+ u8 chains;
+ s8 chain_signal[IEEE80211_MAX_CHAINS];
u8 ampdu_delimiter_crc;
u8 vendor_radiotap_align;
u8 vendor_radiotap_oui[3];
@@ -1235,7 +1245,7 @@ enum ieee80211_sta_rx_bandwidth {
* struct ieee80211_sta_rates - station rate selection table
*
* @rcu_head: RCU head used for freeing the table on update
- * @rates: transmit rates/flags to be used by default.
+ * @rate: transmit rates/flags to be used by default.
* Overriding entries per-packet is possible by using cb tx control.
*/
struct ieee80211_sta_rates {
@@ -1276,7 +1286,7 @@ struct ieee80211_sta_rates {
* notifications and capabilities. The value is only valid after
* the station moves to associated state.
* @smps_mode: current SMPS mode (off, static or dynamic)
- * @tx_rates: rate control selection table
+ * @rates: rate control selection table
*/
struct ieee80211_sta {
u32 supp_rates[IEEE80211_NUM_BANDS];
@@ -3043,7 +3053,8 @@ void ieee80211_napi_complete(struct ieee80211_hw *hw);
* This function may not be called in IRQ context. Calls to this function
* for a single hardware must be synchronized against each other. Calls to
* this function, ieee80211_rx_ni() and ieee80211_rx_irqsafe() may not be
- * mixed for a single hardware.
+ * mixed for a single hardware. Must not run concurrently with
+ * ieee80211_tx_status() or ieee80211_tx_status_ni().
*
* In process context use instead ieee80211_rx_ni().
*
@@ -3059,7 +3070,8 @@ void ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb);
* (internally defers to a tasklet.)
*
* Calls to this function, ieee80211_rx() or ieee80211_rx_ni() may not
- * be mixed for a single hardware.
+ * be mixed for a single hardware.Must not run concurrently with
+ * ieee80211_tx_status() or ieee80211_tx_status_ni().
*
* @hw: the hardware this frame came in on
* @skb: the buffer to receive, owned by mac80211 after this call
@@ -3073,7 +3085,8 @@ void ieee80211_rx_irqsafe(struct ieee80211_hw *hw, struct sk_buff *skb);
* (internally disables bottom halves).
*
* Calls to this function, ieee80211_rx() and ieee80211_rx_irqsafe() may
- * not be mixed for a single hardware.
+ * not be mixed for a single hardware. Must not run concurrently with
+ * ieee80211_tx_status() or ieee80211_tx_status_ni().
*
* @hw: the hardware this frame came in on
* @skb: the buffer to receive, owned by mac80211 after this call
@@ -3196,7 +3209,8 @@ void ieee80211_get_tx_rates(struct ieee80211_vif *vif,
* This function may not be called in IRQ context. Calls to this function
* for a single hardware must be synchronized against each other. Calls
* to this function, ieee80211_tx_status_ni() and ieee80211_tx_status_irqsafe()
- * may not be mixed for a single hardware.
+ * may not be mixed for a single hardware. Must not run concurrently with
+ * ieee80211_rx() or ieee80211_rx_ni().
*
* @hw: the hardware the frame was transmitted by
* @skb: the frame that was transmitted, owned by mac80211 after this call
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index d1e48b5e348..32b060ea526 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -27,6 +27,8 @@
#include <linux/types.h>
+#define NL80211_GENL_NAME "nl80211"
+
/**
* DOC: Station handling
*
@@ -1429,6 +1431,11 @@ enum nl80211_commands {
* @NL80211_ATTR_MAX_CRIT_PROT_DURATION: duration in milliseconds in which
* the connection should have increased reliability (u16).
*
+ * @NL80211_ATTR_PEER_AID: Association ID for the peer TDLS station (u16).
+ * This is similar to @NL80211_ATTR_STA_AID but with a difference of being
+ * allowed to be used with the first @NL80211_CMD_SET_STATION command to
+ * update a TDLS peer STA entry.
+ *
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
@@ -1727,6 +1734,8 @@ enum nl80211_attrs {
NL80211_ATTR_CRIT_PROT_ID,
NL80211_ATTR_MAX_CRIT_PROT_DURATION,
+ NL80211_ATTR_PEER_AID,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
@@ -1991,6 +2000,10 @@ enum nl80211_sta_bss_param {
* @NL80211_STA_INFO_PEER_PM: peer mesh STA link-specific power mode
* @NL80211_STA_INFO_NONPEER_PM: neighbor mesh STA power save mode towards
* non-peer STA
+ * @NL80211_STA_INFO_CHAIN_SIGNAL: per-chain signal strength of last PPDU
+ * Contains a nested array of signal strength attributes (u8, dBm)
+ * @NL80211_STA_INFO_CHAIN_SIGNAL_AVG: per-chain signal strength average
+ * Same format as NL80211_STA_INFO_CHAIN_SIGNAL.
* @__NL80211_STA_INFO_AFTER_LAST: internal
* @NL80211_STA_INFO_MAX: highest possible station info attribute
*/
@@ -2020,6 +2033,8 @@ enum nl80211_sta_info {
NL80211_STA_INFO_NONPEER_PM,
NL80211_STA_INFO_RX_BYTES64,
NL80211_STA_INFO_TX_BYTES64,
+ NL80211_STA_INFO_CHAIN_SIGNAL,
+ NL80211_STA_INFO_CHAIN_SIGNAL_AVG,
/* keep last */
__NL80211_STA_INFO_AFTER_LAST,
@@ -2637,6 +2652,10 @@ enum nl80211_meshconf_params {
* @NL80211_MESH_SETUP_USERSPACE_MPM: Enable this option if userspace will
* implement an MPM which handles peer allocation and state.
*
+ * @NL80211_MESH_SETUP_AUTH_PROTOCOL: Inform the kernel of the authentication
+ * method (u8, as defined in IEEE 8.4.2.100.6, e.g. 0x1 for SAE).
+ * Default is no authentication method required.
+ *
* @NL80211_MESH_SETUP_ATTR_MAX: highest possible mesh setup attribute number
*
* @__NL80211_MESH_SETUP_ATTR_AFTER_LAST: Internal use
@@ -2650,6 +2669,7 @@ enum nl80211_mesh_setup_params {
NL80211_MESH_SETUP_USERSPACE_AMPE,
NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC,
NL80211_MESH_SETUP_USERSPACE_MPM,
+ NL80211_MESH_SETUP_AUTH_PROTOCOL,
/* keep last */
__NL80211_MESH_SETUP_ATTR_AFTER_LAST,
diff --git a/net/mac80211/aes_ccm.c b/net/mac80211/aes_ccm.c
index 0785e95c992..be7614b9ed2 100644
--- a/net/mac80211/aes_ccm.c
+++ b/net/mac80211/aes_ccm.c
@@ -85,7 +85,7 @@ void ieee80211_aes_ccm_encrypt(struct crypto_cipher *tfm, u8 *scratch,
*cpos++ = *pos++ ^ e[i];
}
- for (i = 0; i < CCMP_MIC_LEN; i++)
+ for (i = 0; i < IEEE80211_CCMP_MIC_LEN; i++)
mic[i] = b[i] ^ s_0[i];
}
@@ -123,7 +123,7 @@ int ieee80211_aes_ccm_decrypt(struct crypto_cipher *tfm, u8 *scratch,
crypto_cipher_encrypt_one(tfm, a, a);
}
- for (i = 0; i < CCMP_MIC_LEN; i++) {
+ for (i = 0; i < IEEE80211_CCMP_MIC_LEN; i++) {
if ((mic[i] ^ s_0[i]) != a[i])
return -1;
}
@@ -138,7 +138,7 @@ struct crypto_cipher *ieee80211_aes_key_setup_encrypt(const u8 key[])
tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
if (!IS_ERR(tfm))
- crypto_cipher_setkey(tfm, key, ALG_CCMP_KEY_LEN);
+ crypto_cipher_setkey(tfm, key, WLAN_KEY_LEN_CCMP);
return tfm;
}
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 1a89c80e640..232edf78d5a 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -444,7 +444,7 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
struct ieee80211_local *local = sdata->local;
struct timespec uptime;
u64 packets = 0;
- int ac;
+ int i, ac;
sinfo->generation = sdata->local->sta_generation;
@@ -488,6 +488,17 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
sinfo->signal = (s8)sta->last_signal;
sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
}
+ if (sta->chains) {
+ sinfo->filled |= STATION_INFO_CHAIN_SIGNAL |
+ STATION_INFO_CHAIN_SIGNAL_AVG;
+
+ sinfo->chains = sta->chains;
+ for (i = 0; i < ARRAY_SIZE(sinfo->chain_signal); i++) {
+ sinfo->chain_signal[i] = sta->chain_signal_last[i];
+ sinfo->chain_signal_avg[i] =
+ (s8) -ewma_read(&sta->chain_signal_avg[i]);
+ }
+ }
sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
sta_set_rate_info_rx(sta, &sinfo->rxrate);
@@ -728,7 +739,7 @@ static void ieee80211_get_et_strings(struct wiphy *wiphy,
if (sset == ETH_SS_STATS) {
sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
- memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats);
+ memcpy(data, ieee80211_gstrings_sta_stats, sz_sta_stats);
}
drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
}
@@ -1735,6 +1746,7 @@ static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
ifmsh->mesh_pp_id = setup->path_sel_proto;
ifmsh->mesh_pm_id = setup->path_metric;
ifmsh->user_mpm = setup->user_mpm;
+ ifmsh->mesh_auth_id = setup->auth_id;
ifmsh->security = IEEE80211_MESH_SEC_NONE;
if (setup->is_authenticated)
ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
@@ -2306,7 +2318,7 @@ int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
enum ieee80211_smps_mode old_req;
int err;
- lockdep_assert_held(&sdata->u.mgd.mtx);
+ lockdep_assert_held(&sdata->wdev.mtx);
old_req = sdata->u.mgd.req_smps;
sdata->u.mgd.req_smps = smps_mode;
@@ -2363,9 +2375,7 @@ static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
local->dynamic_ps_forced_timeout = timeout;
/* no change, but if automatic follow powersave */
- mutex_lock(&sdata->u.mgd.mtx);
__ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
- mutex_unlock(&sdata->u.mgd.mtx);
if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index 14abcf44f97..cafe614ef93 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -228,9 +228,9 @@ static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
if (sdata->vif.type != NL80211_IFTYPE_STATION)
return -EOPNOTSUPP;
- mutex_lock(&sdata->u.mgd.mtx);
+ sdata_lock(sdata);
err = __ieee80211_request_smps(sdata, smps_mode);
- mutex_unlock(&sdata->u.mgd.mtx);
+ sdata_unlock(sdata);
return err;
}
@@ -313,16 +313,16 @@ static ssize_t ieee80211_if_parse_tkip_mic_test(
case NL80211_IFTYPE_STATION:
fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
/* BSSID SA DA */
- mutex_lock(&sdata->u.mgd.mtx);
+ sdata_lock(sdata);
if (!sdata->u.mgd.associated) {
- mutex_unlock(&sdata->u.mgd.mtx);
+ sdata_unlock(sdata);
dev_kfree_skb(skb);
return -ENOTCONN;
}
memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN);
memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
memcpy(hdr->addr3, addr, ETH_ALEN);
- mutex_unlock(&sdata->u.mgd.mtx);
+ sdata_unlock(sdata);
break;
default:
dev_kfree_skb(skb);
@@ -471,6 +471,8 @@ __IEEE80211_IF_FILE_W(tsf);
IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
#ifdef CONFIG_MAC80211_MESH
+IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC);
+
/* Mesh stats attributes */
IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
@@ -480,7 +482,6 @@ IEEE80211_IF_FILE(dropped_frames_congestion,
u.mesh.mshstats.dropped_frames_congestion, DEC);
IEEE80211_IF_FILE(dropped_frames_no_route,
u.mesh.mshstats.dropped_frames_no_route, DEC);
-IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC);
/* Mesh parameters */
IEEE80211_IF_FILE(dot11MeshMaxRetries,
@@ -583,6 +584,7 @@ static void add_wds_files(struct ieee80211_sub_if_data *sdata)
static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
{
DEBUGFS_ADD_MODE(tsf, 0600);
+ DEBUGFS_ADD_MODE(estab_plinks, 0400);
}
static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
@@ -598,7 +600,6 @@ static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
MESHSTATS_ADD(dropped_frames_ttl);
MESHSTATS_ADD(dropped_frames_no_route);
MESHSTATS_ADD(dropped_frames_congestion);
- MESHSTATS_ADD(estab_plinks);
#undef MESHSTATS_ADD
}
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index af8cee06e4f..75dff338f58 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -429,9 +429,9 @@ void ieee80211_request_smps_work(struct work_struct *work)
container_of(work, struct ieee80211_sub_if_data,
u.mgd.request_smps_work);
- mutex_lock(&sdata->u.mgd.mtx);
+ sdata_lock(sdata);
__ieee80211_request_smps(sdata, sdata->u.mgd.driver_smps_mode);
- mutex_unlock(&sdata->u.mgd.mtx);
+ sdata_unlock(sdata);
}
void ieee80211_request_smps(struct ieee80211_vif *vif,
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 170f9a7fa31..caa4b4f7f6e 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -54,7 +54,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
struct beacon_data *presp;
int frame_len;
- lockdep_assert_held(&ifibss->mtx);
+ sdata_assert_lock(sdata);
/* Reset own TSF to allow time synchronization work. */
drv_reset_tsf(local, sdata);
@@ -74,7 +74,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
}
presp = rcu_dereference_protected(ifibss->presp,
- lockdep_is_held(&ifibss->mtx));
+ lockdep_is_held(&sdata->wdev.mtx));
rcu_assign_pointer(ifibss->presp, NULL);
if (presp)
kfree_rcu(presp, rcu_head);
@@ -263,7 +263,7 @@ static void ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
const struct cfg80211_bss_ies *ies;
u64 tsf;
- lockdep_assert_held(&sdata->u.ibss.mtx);
+ sdata_assert_lock(sdata);
if (beacon_int < 10)
beacon_int = 10;
@@ -341,6 +341,7 @@ ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
struct ieee80211_chanctx_conf *chanctx_conf;
+ struct ieee80211_supported_band *sband;
int band;
/*
@@ -380,8 +381,9 @@ ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
sta->last_rx = jiffies;
/* make sure mandatory rates are always added */
+ sband = local->hw.wiphy->bands[band];
sta->sta.supp_rates[band] = supp_rates |
- ieee80211_mandatory_rates(local, band);
+ ieee80211_mandatory_rates(sband);
return ieee80211_ibss_finish_sta(sta, auth);
}
@@ -408,7 +410,7 @@ static void ieee80211_rx_mgmt_auth_ibss(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta;
u8 deauth_frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
- lockdep_assert_held(&sdata->u.ibss.mtx);
+ sdata_assert_lock(sdata);
if (len < 24 + 6)
return;
@@ -492,7 +494,7 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
prev_rates = sta->sta.supp_rates[band];
/* make sure mandatory rates are always added */
sta->sta.supp_rates[band] = supp_rates |
- ieee80211_mandatory_rates(local, band);
+ ieee80211_mandatory_rates(sband);
if (sta->sta.supp_rates[band] != prev_rates) {
ibss_dbg(sdata,
@@ -624,6 +626,7 @@ void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
struct ieee80211_chanctx_conf *chanctx_conf;
+ struct ieee80211_supported_band *sband;
int band;
/*
@@ -658,8 +661,9 @@ void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata,
sta->last_rx = jiffies;
/* make sure mandatory rates are always added */
+ sband = local->hw.wiphy->bands[band];
sta->sta.supp_rates[band] = supp_rates |
- ieee80211_mandatory_rates(local, band);
+ ieee80211_mandatory_rates(sband);
spin_lock(&ifibss->incomplete_lock);
list_add(&sta->list, &ifibss->incomplete_stations);
@@ -673,7 +677,7 @@ static int ieee80211_sta_active_ibss(struct ieee80211_sub_if_data *sdata)
int active = 0;
struct sta_info *sta;
- lockdep_assert_held(&sdata->u.ibss.mtx);
+ sdata_assert_lock(sdata);
rcu_read_lock();
@@ -699,7 +703,7 @@ static void ieee80211_sta_merge_ibss(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
- lockdep_assert_held(&ifibss->mtx);
+ sdata_assert_lock(sdata);
mod_timer(&ifibss->timer,
round_jiffies(jiffies + IEEE80211_IBSS_MERGE_INTERVAL));
@@ -730,7 +734,7 @@ static void ieee80211_sta_create_ibss(struct ieee80211_sub_if_data *sdata)
u16 capability;
int i;
- lockdep_assert_held(&ifibss->mtx);
+ sdata_assert_lock(sdata);
if (ifibss->fixed_bssid) {
memcpy(bssid, ifibss->bssid, ETH_ALEN);
@@ -773,7 +777,7 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata)
int active_ibss;
u16 capability;
- lockdep_assert_held(&ifibss->mtx);
+ sdata_assert_lock(sdata);
active_ibss = ieee80211_sta_active_ibss(sdata);
ibss_dbg(sdata, "sta_find_ibss (active_ibss=%d)\n", active_ibss);
@@ -843,10 +847,10 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
struct beacon_data *presp;
u8 *pos, *end;
- lockdep_assert_held(&ifibss->mtx);
+ sdata_assert_lock(sdata);
presp = rcu_dereference_protected(ifibss->presp,
- lockdep_is_held(&ifibss->mtx));
+ lockdep_is_held(&sdata->wdev.mtx));
if (ifibss->state != IEEE80211_IBSS_MLME_JOINED ||
len < 24 + 2 || !presp)
@@ -930,7 +934,7 @@ void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
mgmt = (struct ieee80211_mgmt *) skb->data;
fc = le16_to_cpu(mgmt->frame_control);
- mutex_lock(&sdata->u.ibss.mtx);
+ sdata_lock(sdata);
if (!sdata->u.ibss.ssid_len)
goto mgmt_out; /* not ready to merge yet */
@@ -953,7 +957,7 @@ void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
}
mgmt_out:
- mutex_unlock(&sdata->u.ibss.mtx);
+ sdata_unlock(sdata);
}
void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata)
@@ -961,7 +965,7 @@ void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata)
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
struct sta_info *sta;
- mutex_lock(&ifibss->mtx);
+ sdata_lock(sdata);
/*
* Work could be scheduled after scan or similar
@@ -997,7 +1001,7 @@ void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata)
}
out:
- mutex_unlock(&ifibss->mtx);
+ sdata_unlock(sdata);
}
static void ieee80211_ibss_timer(unsigned long data)
@@ -1014,7 +1018,6 @@ void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata)
setup_timer(&ifibss->timer, ieee80211_ibss_timer,
(unsigned long) sdata);
- mutex_init(&ifibss->mtx);
INIT_LIST_HEAD(&ifibss->incomplete_stations);
spin_lock_init(&ifibss->incomplete_lock);
}
@@ -1041,8 +1044,6 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
{
u32 changed = 0;
- mutex_lock(&sdata->u.ibss.mtx);
-
if (params->bssid) {
memcpy(sdata->u.ibss.bssid, params->bssid, ETH_ALEN);
sdata->u.ibss.fixed_bssid = true;
@@ -1075,8 +1076,6 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
memcpy(sdata->u.ibss.ssid, params->ssid, params->ssid_len);
sdata->u.ibss.ssid_len = params->ssid_len;
- mutex_unlock(&sdata->u.ibss.mtx);
-
/*
* 802.11n-2009 9.13.3.1: In an IBSS, the HT Protection field is
* reserved, but an HT STA shall protect HT transmissions as though
@@ -1112,8 +1111,6 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata)
struct sta_info *sta;
struct beacon_data *presp;
- mutex_lock(&sdata->u.ibss.mtx);
-
active_ibss = ieee80211_sta_active_ibss(sdata);
if (!active_ibss && !is_zero_ether_addr(ifibss->bssid)) {
@@ -1157,7 +1154,7 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata)
/* remove beacon */
kfree(sdata->u.ibss.ie);
presp = rcu_dereference_protected(ifibss->presp,
- lockdep_is_held(&sdata->u.ibss.mtx));
+ lockdep_is_held(&sdata->wdev.mtx));
RCU_INIT_POINTER(sdata->u.ibss.presp, NULL);
sdata->vif.bss_conf.ibss_joined = false;
sdata->vif.bss_conf.ibss_creator = false;
@@ -1173,7 +1170,5 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata)
del_timer_sync(&sdata->u.ibss.timer);
- mutex_unlock(&sdata->u.ibss.mtx);
-
return 0;
}
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 158e6eb188d..9eed6f1d161 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -394,7 +394,6 @@ struct ieee80211_if_managed {
bool nullfunc_failed;
bool connection_loss;
- struct mutex mtx;
struct cfg80211_bss *associated;
struct ieee80211_mgd_auth_data *auth_data;
struct ieee80211_mgd_assoc_data *assoc_data;
@@ -488,8 +487,6 @@ struct ieee80211_if_managed {
struct ieee80211_if_ibss {
struct timer_list timer;
- struct mutex mtx;
-
unsigned long last_scan_completed;
u32 basic_rates;
@@ -580,8 +577,6 @@ struct ieee80211_if_mesh {
bool accepting_plinks;
int num_gates;
struct beacon_data __rcu *beacon;
- /* just protects beacon updates for now */
- struct mutex mtx;
const u8 *ie;
u8 ie_len;
enum {
@@ -778,6 +773,26 @@ struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p)
return container_of(p, struct ieee80211_sub_if_data, vif);
}
+static inline void sdata_lock(struct ieee80211_sub_if_data *sdata)
+ __acquires(&sdata->wdev.mtx)
+{
+ mutex_lock(&sdata->wdev.mtx);
+ __acquire(&sdata->wdev.mtx);
+}
+
+static inline void sdata_unlock(struct ieee80211_sub_if_data *sdata)
+ __releases(&sdata->wdev.mtx)
+{
+ mutex_unlock(&sdata->wdev.mtx);
+ __release(&sdata->wdev.mtx);
+}
+
+static inline void
+sdata_assert_lock(struct ieee80211_sub_if_data *sdata)
+{
+ lockdep_assert_held(&sdata->wdev.mtx);
+}
+
static inline enum ieee80211_band
ieee80211_get_sdata_band(struct ieee80211_sub_if_data *sdata)
{
@@ -1267,6 +1282,7 @@ void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata);
void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata);
void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata,
__le16 fc, bool acked);
+void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata);
/* IBSS code */
void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local);
@@ -1505,9 +1521,6 @@ static inline void ieee802_11_parse_elems(u8 *start, size_t len, bool action,
ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0);
}
-u32 ieee80211_mandatory_rates(struct ieee80211_local *local,
- enum ieee80211_band band);
-
void ieee80211_dynamic_ps_enable_work(struct work_struct *work);
void ieee80211_dynamic_ps_disable_work(struct work_struct *work);
void ieee80211_dynamic_ps_timer(unsigned long data);
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 60f1ce5e5e5..ceef64426a8 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -474,6 +474,9 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
master->control_port_protocol;
sdata->control_port_no_encrypt =
master->control_port_no_encrypt;
+ sdata->vif.cab_queue = master->vif.cab_queue;
+ memcpy(sdata->vif.hw_queue, master->vif.hw_queue,
+ sizeof(sdata->vif.hw_queue));
break;
}
case NL80211_IFTYPE_AP:
@@ -653,7 +656,11 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
ieee80211_recalc_ps(local, -1);
- if (dev) {
+ if (sdata->vif.type == NL80211_IFTYPE_MONITOR ||
+ sdata->vif.type == NL80211_IFTYPE_AP_VLAN) {
+ /* XXX: for AP_VLAN, actually track AP queues */
+ netif_tx_start_all_queues(dev);
+ } else if (dev) {
unsigned long flags;
int n_acs = IEEE80211_NUM_ACS;
int ac;
@@ -1696,6 +1703,15 @@ void ieee80211_remove_interfaces(struct ieee80211_local *local)
ASSERT_RTNL();
+ /*
+ * Close all AP_VLAN interfaces first, as otherwise they
+ * might be closed while the AP interface they belong to
+ * is closed, causing unregister_netdevice_many() to crash.
+ */
+ list_for_each_entry(sdata, &local->interfaces, list)
+ if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
+ dev_close(sdata->dev);
+
mutex_lock(&local->iflist_mtx);
list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) {
list_del(&sdata->list);
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 67059b88fea..e39cc91d0cf 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -335,12 +335,12 @@ struct ieee80211_key *ieee80211_key_alloc(u32 cipher, int idx, size_t key_len,
switch (cipher) {
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_WEP104:
- key->conf.iv_len = WEP_IV_LEN;
- key->conf.icv_len = WEP_ICV_LEN;
+ key->conf.iv_len = IEEE80211_WEP_IV_LEN;
+ key->conf.icv_len = IEEE80211_WEP_ICV_LEN;
break;
case WLAN_CIPHER_SUITE_TKIP:
- key->conf.iv_len = TKIP_IV_LEN;
- key->conf.icv_len = TKIP_ICV_LEN;
+ key->conf.iv_len = IEEE80211_TKIP_IV_LEN;
+ key->conf.icv_len = IEEE80211_TKIP_ICV_LEN;
if (seq) {
for (i = 0; i < IEEE80211_NUM_TIDS; i++) {
key->u.tkip.rx[i].iv32 =
@@ -352,13 +352,13 @@ struct ieee80211_key *ieee80211_key_alloc(u32 cipher, int idx, size_t key_len,
spin_lock_init(&key->u.tkip.txlock);
break;
case WLAN_CIPHER_SUITE_CCMP:
- key->conf.iv_len = CCMP_HDR_LEN;
- key->conf.icv_len = CCMP_MIC_LEN;
+ key->conf.iv_len = IEEE80211_CCMP_HDR_LEN;
+ key->conf.icv_len = IEEE80211_CCMP_MIC_LEN;
if (seq) {
for (i = 0; i < IEEE80211_NUM_TIDS + 1; i++)
- for (j = 0; j < CCMP_PN_LEN; j++)
+ for (j = 0; j < IEEE80211_CCMP_PN_LEN; j++)
key->u.ccmp.rx_pn[i][j] =
- seq[CCMP_PN_LEN - j - 1];
+ seq[IEEE80211_CCMP_PN_LEN - j - 1];
}
/*
* Initialize AES key state here as an optimization so that
@@ -375,9 +375,9 @@ struct ieee80211_key *ieee80211_key_alloc(u32 cipher, int idx, size_t key_len,
key->conf.iv_len = 0;
key->conf.icv_len = sizeof(struct ieee80211_mmie);
if (seq)
- for (j = 0; j < CMAC_PN_LEN; j++)
+ for (j = 0; j < IEEE80211_CMAC_PN_LEN; j++)
key->u.aes_cmac.rx_pn[j] =
- seq[CMAC_PN_LEN - j - 1];
+ seq[IEEE80211_CMAC_PN_LEN - j - 1];
/*
* Initialize AES key state here as an optimization so that
* it does not need to be initialized for every packet.
@@ -740,13 +740,13 @@ void ieee80211_get_key_rx_seq(struct ieee80211_key_conf *keyconf,
pn = key->u.ccmp.rx_pn[IEEE80211_NUM_TIDS];
else
pn = key->u.ccmp.rx_pn[tid];
- memcpy(seq->ccmp.pn, pn, CCMP_PN_LEN);
+ memcpy(seq->ccmp.pn, pn, IEEE80211_CCMP_PN_LEN);
break;
case WLAN_CIPHER_SUITE_AES_CMAC:
if (WARN_ON(tid != 0))
return;
pn = key->u.aes_cmac.rx_pn;
- memcpy(seq->aes_cmac.pn, pn, CMAC_PN_LEN);
+ memcpy(seq->aes_cmac.pn, pn, IEEE80211_CMAC_PN_LEN);
break;
}
}
diff --git a/net/mac80211/key.h b/net/mac80211/key.h
index e8de3e6d780..036d57e76a5 100644
--- a/net/mac80211/key.h
+++ b/net/mac80211/key.h
@@ -19,17 +19,6 @@
#define NUM_DEFAULT_KEYS 4
#define NUM_DEFAULT_MGMT_KEYS 2
-#define WEP_IV_LEN 4
-#define WEP_ICV_LEN 4
-#define ALG_CCMP_KEY_LEN 16
-#define CCMP_HDR_LEN 8
-#define CCMP_MIC_LEN 8
-#define CCMP_TK_LEN 16
-#define CCMP_PN_LEN 6
-#define TKIP_IV_LEN 8
-#define TKIP_ICV_LEN 4
-#define CMAC_PN_LEN 6
-
struct ieee80211_local;
struct ieee80211_sub_if_data;
struct sta_info;
@@ -93,13 +82,13 @@ struct ieee80211_key {
* frames and the last counter is used with Robust
* Management frames.
*/
- u8 rx_pn[IEEE80211_NUM_TIDS + 1][CCMP_PN_LEN];
+ u8 rx_pn[IEEE80211_NUM_TIDS + 1][IEEE80211_CCMP_PN_LEN];
struct crypto_cipher *tfm;
u32 replays; /* dot11RSNAStatsCCMPReplays */
} ccmp;
struct {
atomic64_t tx_pn;
- u8 rx_pn[CMAC_PN_LEN];
+ u8 rx_pn[IEEE80211_CMAC_PN_LEN];
struct crypto_cipher *tfm;
u32 replays; /* dot11RSNAStatsCMACReplays */
u32 icverrors; /* dot11RSNAStatsCMACICVErrors */
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 8a7bfc47d57..1998f147526 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -331,7 +331,7 @@ static int ieee80211_ifa_changed(struct notifier_block *nb,
return NOTIFY_DONE;
ifmgd = &sdata->u.mgd;
- mutex_lock(&ifmgd->mtx);
+ sdata_lock(sdata);
/* Copy the addresses to the bss_conf list */
ifa = idev->ifa_list;
@@ -349,7 +349,7 @@ static int ieee80211_ifa_changed(struct notifier_block *nb,
ieee80211_bss_info_change_notify(sdata,
BSS_CHANGED_ARP_FILTER);
- mutex_unlock(&ifmgd->mtx);
+ sdata_unlock(sdata);
return NOTIFY_DONE;
}
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 6952760881c..b3d1fdd4636 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -161,8 +161,11 @@ void mesh_sta_cleanup(struct sta_info *sta)
del_timer_sync(&sta->plink_timer);
}
- if (changed)
+ if (changed) {
+ sdata_lock(sdata);
ieee80211_mbss_info_change_notify(sdata, changed);
+ sdata_unlock(sdata);
+ }
}
int mesh_rmc_init(struct ieee80211_sub_if_data *sdata)
@@ -577,7 +580,9 @@ static void ieee80211_mesh_housekeeping(struct ieee80211_sub_if_data *sdata)
mesh_path_expire(sdata);
changed = mesh_accept_plinks_update(sdata);
+ sdata_lock(sdata);
ieee80211_mbss_info_change_notify(sdata, changed);
+ sdata_unlock(sdata);
mod_timer(&ifmsh->housekeeping_timer,
round_jiffies(jiffies +
@@ -697,25 +702,21 @@ out_free:
}
static int
-ieee80211_mesh_rebuild_beacon(struct ieee80211_if_mesh *ifmsh)
+ieee80211_mesh_rebuild_beacon(struct ieee80211_sub_if_data *sdata)
{
struct beacon_data *old_bcn;
int ret;
- mutex_lock(&ifmsh->mtx);
-
- old_bcn = rcu_dereference_protected(ifmsh->beacon,
- lockdep_is_held(&ifmsh->mtx));
- ret = ieee80211_mesh_build_beacon(ifmsh);
+ old_bcn = rcu_dereference_protected(sdata->u.mesh.beacon,
+ lockdep_is_held(&sdata->wdev.mtx));
+ ret = ieee80211_mesh_build_beacon(&sdata->u.mesh);
if (ret)
/* just reuse old beacon */
- goto out;
+ return ret;
if (old_bcn)
kfree_rcu(old_bcn, rcu_head);
-out:
- mutex_unlock(&ifmsh->mtx);
- return ret;
+ return 0;
}
void ieee80211_mbss_info_change_notify(struct ieee80211_sub_if_data *sdata,
@@ -726,7 +727,7 @@ void ieee80211_mbss_info_change_notify(struct ieee80211_sub_if_data *sdata,
BSS_CHANGED_HT |
BSS_CHANGED_BASIC_RATES |
BSS_CHANGED_BEACON_INT)))
- if (ieee80211_mesh_rebuild_beacon(&sdata->u.mesh))
+ if (ieee80211_mesh_rebuild_beacon(sdata))
return;
ieee80211_bss_info_change_notify(sdata, changed);
}
@@ -741,6 +742,8 @@ int ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata)
BSS_CHANGED_BASIC_RATES |
BSS_CHANGED_BEACON_INT;
enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
+ struct ieee80211_supported_band *sband =
+ sdata->local->hw.wiphy->bands[band];
local->fif_other_bss++;
/* mesh ifaces must set allmulti to forward mcast traffic */
@@ -748,7 +751,6 @@ int ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata)
ieee80211_configure_filter(local);
ifmsh->mesh_cc_id = 0; /* Disabled */
- ifmsh->mesh_auth_id = 0; /* Disabled */
/* register sync ops from extensible synchronization framework */
ifmsh->sync_ops = ieee80211_mesh_sync_ops_get(ifmsh->mesh_sp_id);
ifmsh->adjusting_tbtt = false;
@@ -759,8 +761,7 @@ int ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata)
sdata->vif.bss_conf.ht_operation_mode =
ifmsh->mshcfg.ht_opmode;
sdata->vif.bss_conf.enable_beacon = true;
- sdata->vif.bss_conf.basic_rates =
- ieee80211_mandatory_rates(local, band);
+ sdata->vif.bss_conf.basic_rates = ieee80211_mandatory_rates(sband);
changed |= ieee80211_mps_local_status_update(sdata);
@@ -788,12 +789,12 @@ void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata)
sdata->vif.bss_conf.enable_beacon = false;
clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
- mutex_lock(&ifmsh->mtx);
+ sdata_lock(sdata);
bcn = rcu_dereference_protected(ifmsh->beacon,
- lockdep_is_held(&ifmsh->mtx));
+ lockdep_is_held(&sdata->wdev.mtx));
rcu_assign_pointer(ifmsh->beacon, NULL);
kfree_rcu(bcn, rcu_head);
- mutex_unlock(&ifmsh->mtx);
+ sdata_unlock(sdata);
/* flush STAs and mpaths on this iface */
sta_info_flush(sdata);
@@ -1041,7 +1042,6 @@ void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata)
spin_lock_init(&ifmsh->mesh_preq_queue_lock);
spin_lock_init(&ifmsh->sync_offset_lock);
RCU_INIT_POINTER(ifmsh->beacon, NULL);
- mutex_init(&ifmsh->mtx);
sdata->vif.bss_conf.bssid = zero_addr;
}
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index 09bebed9941..6c4da99bc4f 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -517,7 +517,9 @@ void mesh_neighbour_update(struct ieee80211_sub_if_data *sdata,
ieee80211_mps_frame_release(sta, elems);
out:
rcu_read_unlock();
+ sdata_lock(sdata);
ieee80211_mbss_info_change_notify(sdata, changed);
+ sdata_unlock(sdata);
}
static void mesh_plink_timer(unsigned long data)
@@ -1068,6 +1070,9 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata,
rcu_read_unlock();
- if (changed)
+ if (changed) {
+ sdata_lock(sdata);
ieee80211_mbss_info_change_notify(sdata, changed);
+ sdata_unlock(sdata);
+ }
}
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 29620bfc7a6..f44f4caa69e 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -91,41 +91,6 @@ MODULE_PARM_DESC(probe_wait_ms,
#define IEEE80211_SIGNAL_AVE_MIN_COUNT 4
/*
- * All cfg80211 functions have to be called outside a locked
- * section so that they can acquire a lock themselves... This
- * is much simpler than queuing up things in cfg80211, but we
- * do need some indirection for that here.
- */
-enum rx_mgmt_action {
- /* no action required */
- RX_MGMT_NONE,
-
- /* caller must call cfg80211_send_deauth() */
- RX_MGMT_CFG80211_DEAUTH,
-
- /* caller must call cfg80211_send_disassoc() */
- RX_MGMT_CFG80211_DISASSOC,
-
- /* caller must call cfg80211_send_rx_auth() */
- RX_MGMT_CFG80211_RX_AUTH,
-
- /* caller must call cfg80211_send_rx_assoc() */
- RX_MGMT_CFG80211_RX_ASSOC,
-
- /* caller must call cfg80211_send_assoc_timeout() */
- RX_MGMT_CFG80211_ASSOC_TIMEOUT,
-
- /* used when a processed beacon causes a deauth */
- RX_MGMT_CFG80211_TX_DEAUTH,
-};
-
-/* utils */
-static inline void ASSERT_MGD_MTX(struct ieee80211_if_managed *ifmgd)
-{
- lockdep_assert_held(&ifmgd->mtx);
-}
-
-/*
* We can have multiple work items (and connection probing)
* scheduling this timer, but we need to take care to only
* reschedule it when it should fire _earlier_ than it was
@@ -135,13 +100,14 @@ static inline void ASSERT_MGD_MTX(struct ieee80211_if_managed *ifmgd)
* has happened -- the work that runs from this timer will
* do that.
*/
-static void run_again(struct ieee80211_if_managed *ifmgd, unsigned long timeout)
+static void run_again(struct ieee80211_sub_if_data *sdata,
+ unsigned long timeout)
{
- ASSERT_MGD_MTX(ifmgd);
+ sdata_assert_lock(sdata);
- if (!timer_pending(&ifmgd->timer) ||
- time_before(timeout, ifmgd->timer.expires))
- mod_timer(&ifmgd->timer, timeout);
+ if (!timer_pending(&sdata->u.mgd.timer) ||
+ time_before(timeout, sdata->u.mgd.timer.expires))
+ mod_timer(&sdata->u.mgd.timer, timeout);
}
void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata)
@@ -652,7 +618,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
struct ieee80211_channel *chan;
u32 rates = 0;
- lockdep_assert_held(&ifmgd->mtx);
+ sdata_assert_lock(sdata);
rcu_read_lock();
chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
@@ -962,7 +928,7 @@ static void ieee80211_chswitch_work(struct work_struct *work)
if (!ieee80211_sdata_running(sdata))
return;
- mutex_lock(&ifmgd->mtx);
+ sdata_lock(sdata);
if (!ifmgd->associated)
goto out;
@@ -985,7 +951,7 @@ static void ieee80211_chswitch_work(struct work_struct *work)
IEEE80211_QUEUE_STOP_REASON_CSA);
out:
ifmgd->flags &= ~IEEE80211_STA_CSA_RECEIVED;
- mutex_unlock(&ifmgd->mtx);
+ sdata_unlock(sdata);
}
void ieee80211_chswitch_done(struct ieee80211_vif *vif, bool success)
@@ -1015,7 +981,8 @@ static void ieee80211_chswitch_timer(unsigned long data)
static void
ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
- u64 timestamp, struct ieee802_11_elems *elems)
+ u64 timestamp, struct ieee802_11_elems *elems,
+ bool beacon)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
@@ -1032,9 +999,10 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
struct cfg80211_chan_def new_vht_chandef = {};
const struct ieee80211_sec_chan_offs_ie *sec_chan_offs;
const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie;
+ const struct ieee80211_ht_operation *ht_oper;
int secondary_channel_offset = -1;
- ASSERT_MGD_MTX(ifmgd);
+ sdata_assert_lock(sdata);
if (!cbss)
return;
@@ -1048,11 +1016,14 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
sec_chan_offs = elems->sec_chan_offs;
wide_bw_chansw_ie = elems->wide_bw_chansw_ie;
+ ht_oper = elems->ht_operation;
if (ifmgd->flags & (IEEE80211_STA_DISABLE_HT |
IEEE80211_STA_DISABLE_40MHZ)) {
sec_chan_offs = NULL;
wide_bw_chansw_ie = NULL;
+ /* only used for bandwidth here */
+ ht_oper = NULL;
}
if (ifmgd->flags & IEEE80211_STA_DISABLE_VHT)
@@ -1094,10 +1065,20 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
return;
}
- if (sec_chan_offs) {
+ if (!beacon && sec_chan_offs) {
secondary_channel_offset = sec_chan_offs->sec_chan_offs;
+ } else if (beacon && ht_oper) {
+ secondary_channel_offset =
+ ht_oper->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET;
} else if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT)) {
- /* if HT is enabled and the IE not present, it's still HT */
+ /*
+ * If it's not a beacon, HT is enabled and the IE not present,
+ * it's 20 MHz, 802.11-2012 8.5.2.6:
+ * This element [the Secondary Channel Offset Element] is
+ * present when switching to a 40 MHz channel. It may be
+ * present when switching to a 20 MHz channel (in which
+ * case the secondary channel offset is set to SCN).
+ */
secondary_channel_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
}
@@ -1375,6 +1356,9 @@ static bool ieee80211_powersave_allowed(struct ieee80211_sub_if_data *sdata)
IEEE80211_STA_CONNECTION_POLL))
return false;
+ if (!sdata->vif.bss_conf.dtim_period)
+ return false;
+
rcu_read_lock();
sta = sta_info_get(sdata, mgd->bssid);
if (sta)
@@ -1827,7 +1811,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
u32 changed = 0;
- ASSERT_MGD_MTX(ifmgd);
+ sdata_assert_lock(sdata);
if (WARN_ON_ONCE(tx && !frame_buf))
return;
@@ -2036,7 +2020,7 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata)
}
ifmgd->probe_timeout = jiffies + msecs_to_jiffies(probe_wait_ms);
- run_again(ifmgd, ifmgd->probe_timeout);
+ run_again(sdata, ifmgd->probe_timeout);
if (sdata->local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)
ieee80211_flush_queues(sdata->local, sdata);
}
@@ -2050,7 +2034,7 @@ static void ieee80211_mgd_probe_ap(struct ieee80211_sub_if_data *sdata,
if (!ieee80211_sdata_running(sdata))
return;
- mutex_lock(&ifmgd->mtx);
+ sdata_lock(sdata);
if (!ifmgd->associated)
goto out;
@@ -2104,7 +2088,7 @@ static void ieee80211_mgd_probe_ap(struct ieee80211_sub_if_data *sdata,
ifmgd->probe_send_count = 0;
ieee80211_mgd_probe_ap_send(sdata);
out:
- mutex_unlock(&ifmgd->mtx);
+ sdata_unlock(sdata);
}
struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw,
@@ -2120,7 +2104,7 @@ struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw,
if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION))
return NULL;
- ASSERT_MGD_MTX(ifmgd);
+ sdata_assert_lock(sdata);
if (ifmgd->associated)
cbss = ifmgd->associated;
@@ -2153,9 +2137,9 @@ static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata)
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
- mutex_lock(&ifmgd->mtx);
+ sdata_lock(sdata);
if (!ifmgd->associated) {
- mutex_unlock(&ifmgd->mtx);
+ sdata_unlock(sdata);
return;
}
@@ -2166,13 +2150,9 @@ static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata)
ieee80211_wake_queues_by_reason(&sdata->local->hw,
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_CSA);
- mutex_unlock(&ifmgd->mtx);
- /*
- * must be outside lock due to cfg80211,
- * but that's not a problem.
- */
cfg80211_send_deauth(sdata->dev, frame_buf, IEEE80211_DEAUTH_FRAME_LEN);
+ sdata_unlock(sdata);
}
static void ieee80211_beacon_connection_loss_work(struct work_struct *work)
@@ -2239,7 +2219,7 @@ static void ieee80211_destroy_auth_data(struct ieee80211_sub_if_data *sdata,
{
struct ieee80211_mgd_auth_data *auth_data = sdata->u.mgd.auth_data;
- lockdep_assert_held(&sdata->u.mgd.mtx);
+ sdata_assert_lock(sdata);
if (!assoc) {
sta_info_destroy_addr(sdata, auth_data->bss->bssid);
@@ -2280,27 +2260,26 @@ static void ieee80211_auth_challenge(struct ieee80211_sub_if_data *sdata,
auth_data->key_idx, tx_flags);
}
-static enum rx_mgmt_action __must_check
-ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_mgmt *mgmt, size_t len)
+static void ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_mgmt *mgmt, size_t len)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
u8 bssid[ETH_ALEN];
u16 auth_alg, auth_transaction, status_code;
struct sta_info *sta;
- lockdep_assert_held(&ifmgd->mtx);
+ sdata_assert_lock(sdata);
if (len < 24 + 6)
- return RX_MGMT_NONE;
+ return;
if (!ifmgd->auth_data || ifmgd->auth_data->done)
- return RX_MGMT_NONE;
+ return;
memcpy(bssid, ifmgd->auth_data->bss->bssid, ETH_ALEN);
if (!ether_addr_equal(bssid, mgmt->bssid))
- return RX_MGMT_NONE;
+ return;
auth_alg = le16_to_cpu(mgmt->u.auth.auth_alg);
auth_transaction = le16_to_cpu(mgmt->u.auth.auth_transaction);
@@ -2312,14 +2291,15 @@ ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
mgmt->sa, auth_alg, ifmgd->auth_data->algorithm,
auth_transaction,
ifmgd->auth_data->expected_transaction);
- return RX_MGMT_NONE;
+ return;
}
if (status_code != WLAN_STATUS_SUCCESS) {
sdata_info(sdata, "%pM denied authentication (status %d)\n",
mgmt->sa, status_code);
ieee80211_destroy_auth_data(sdata, false);
- return RX_MGMT_CFG80211_RX_AUTH;
+ cfg80211_send_rx_auth(sdata->dev, (u8 *)mgmt, len);
+ return;
}
switch (ifmgd->auth_data->algorithm) {
@@ -2332,20 +2312,20 @@ ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
if (ifmgd->auth_data->expected_transaction != 4) {
ieee80211_auth_challenge(sdata, mgmt, len);
/* need another frame */
- return RX_MGMT_NONE;
+ return;
}
break;
default:
WARN_ONCE(1, "invalid auth alg %d",
ifmgd->auth_data->algorithm);
- return RX_MGMT_NONE;
+ return;
}
sdata_info(sdata, "authenticated\n");
ifmgd->auth_data->done = true;
ifmgd->auth_data->timeout = jiffies + IEEE80211_AUTH_WAIT_ASSOC;
ifmgd->auth_data->timeout_started = true;
- run_again(ifmgd, ifmgd->auth_data->timeout);
+ run_again(sdata, ifmgd->auth_data->timeout);
if (ifmgd->auth_data->algorithm == WLAN_AUTH_SAE &&
ifmgd->auth_data->expected_transaction != 2) {
@@ -2353,7 +2333,8 @@ ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
* Report auth frame to user space for processing since another
* round of Authentication frames is still needed.
*/
- return RX_MGMT_CFG80211_RX_AUTH;
+ cfg80211_send_rx_auth(sdata->dev, (u8 *)mgmt, len);
+ return;
}
/* move station state to auth */
@@ -2369,30 +2350,29 @@ ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
}
mutex_unlock(&sdata->local->sta_mtx);
- return RX_MGMT_CFG80211_RX_AUTH;
+ cfg80211_send_rx_auth(sdata->dev, (u8 *)mgmt, len);
+ return;
out_err:
mutex_unlock(&sdata->local->sta_mtx);
/* ignore frame -- wait for timeout */
- return RX_MGMT_NONE;
}
-static enum rx_mgmt_action __must_check
-ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_mgmt *mgmt, size_t len)
+static void ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_mgmt *mgmt, size_t len)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
const u8 *bssid = NULL;
u16 reason_code;
- lockdep_assert_held(&ifmgd->mtx);
+ sdata_assert_lock(sdata);
if (len < 24 + 2)
- return RX_MGMT_NONE;
+ return;
if (!ifmgd->associated ||
!ether_addr_equal(mgmt->bssid, ifmgd->associated->bssid))
- return RX_MGMT_NONE;
+ return;
bssid = ifmgd->associated->bssid;
@@ -2403,25 +2383,24 @@ ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
ieee80211_set_disassoc(sdata, 0, 0, false, NULL);
- return RX_MGMT_CFG80211_DEAUTH;
+ cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, len);
}
-static enum rx_mgmt_action __must_check
-ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_mgmt *mgmt, size_t len)
+static void ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_mgmt *mgmt, size_t len)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
u16 reason_code;
- lockdep_assert_held(&ifmgd->mtx);
+ sdata_assert_lock(sdata);
if (len < 24 + 2)
- return RX_MGMT_NONE;
+ return;
if (!ifmgd->associated ||
!ether_addr_equal(mgmt->bssid, ifmgd->associated->bssid))
- return RX_MGMT_NONE;
+ return;
reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
@@ -2430,7 +2409,7 @@ ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
ieee80211_set_disassoc(sdata, 0, 0, false, NULL);
- return RX_MGMT_CFG80211_DISASSOC;
+ cfg80211_send_disassoc(sdata->dev, (u8 *)mgmt, len);
}
static void ieee80211_get_rates(struct ieee80211_supported_band *sband,
@@ -2480,7 +2459,7 @@ static void ieee80211_destroy_assoc_data(struct ieee80211_sub_if_data *sdata,
{
struct ieee80211_mgd_assoc_data *assoc_data = sdata->u.mgd.assoc_data;
- lockdep_assert_held(&sdata->u.mgd.mtx);
+ sdata_assert_lock(sdata);
if (!assoc) {
sta_info_destroy_addr(sdata, assoc_data->bss->bssid);
@@ -2661,10 +2640,9 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
return true;
}
-static enum rx_mgmt_action __must_check
-ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_mgmt *mgmt, size_t len,
- struct cfg80211_bss **bss)
+static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_mgmt *mgmt,
+ size_t len)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_mgd_assoc_data *assoc_data = ifmgd->assoc_data;
@@ -2672,13 +2650,14 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
struct ieee802_11_elems elems;
u8 *pos;
bool reassoc;
+ struct cfg80211_bss *bss;
- lockdep_assert_held(&ifmgd->mtx);
+ sdata_assert_lock(sdata);
if (!assoc_data)
- return RX_MGMT_NONE;
+ return;
if (!ether_addr_equal(assoc_data->bss->bssid, mgmt->bssid))
- return RX_MGMT_NONE;
+ return;
/*
* AssocResp and ReassocResp have identical structure, so process both
@@ -2686,7 +2665,7 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
*/
if (len < 24 + 6)
- return RX_MGMT_NONE;
+ return;
reassoc = ieee80211_is_reassoc_req(mgmt->frame_control);
capab_info = le16_to_cpu(mgmt->u.assoc_resp.capab_info);
@@ -2713,22 +2692,23 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
assoc_data->timeout = jiffies + msecs_to_jiffies(ms);
assoc_data->timeout_started = true;
if (ms > IEEE80211_ASSOC_TIMEOUT)
- run_again(ifmgd, assoc_data->timeout);
- return RX_MGMT_NONE;
+ run_again(sdata, assoc_data->timeout);
+ return;
}
- *bss = assoc_data->bss;
+ bss = assoc_data->bss;
if (status_code != WLAN_STATUS_SUCCESS) {
sdata_info(sdata, "%pM denied association (code=%d)\n",
mgmt->sa, status_code);
ieee80211_destroy_assoc_data(sdata, false);
} else {
- if (!ieee80211_assoc_success(sdata, *bss, mgmt, len)) {
+ if (!ieee80211_assoc_success(sdata, bss, mgmt, len)) {
/* oops -- internal error -- send timeout for now */
ieee80211_destroy_assoc_data(sdata, false);
- cfg80211_put_bss(sdata->local->hw.wiphy, *bss);
- return RX_MGMT_CFG80211_ASSOC_TIMEOUT;
+ cfg80211_put_bss(sdata->local->hw.wiphy, bss);
+ cfg80211_send_assoc_timeout(sdata->dev, mgmt->bssid);
+ return;
}
sdata_info(sdata, "associated\n");
@@ -2740,7 +2720,7 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
ieee80211_destroy_assoc_data(sdata, true);
}
- return RX_MGMT_CFG80211_RX_ASSOC;
+ cfg80211_send_rx_assoc(sdata->dev, bss, (u8 *)mgmt, len);
}
static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
@@ -2754,7 +2734,7 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
struct ieee80211_channel *channel;
bool need_ps = false;
- lockdep_assert_held(&sdata->u.mgd.mtx);
+ sdata_assert_lock(sdata);
if ((sdata->u.mgd.associated &&
ether_addr_equal(mgmt->bssid, sdata->u.mgd.associated->bssid)) ||
@@ -2796,7 +2776,8 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
mutex_unlock(&local->iflist_mtx);
}
- ieee80211_sta_process_chanswitch(sdata, rx_status->mactime, elems);
+ ieee80211_sta_process_chanswitch(sdata, rx_status->mactime,
+ elems, true);
}
@@ -2812,7 +2793,7 @@ static void ieee80211_rx_mgmt_probe_resp(struct ieee80211_sub_if_data *sdata,
ifmgd = &sdata->u.mgd;
- ASSERT_MGD_MTX(ifmgd);
+ sdata_assert_lock(sdata);
if (!ether_addr_equal(mgmt->da, sdata->vif.addr))
return; /* ignore ProbeResp to foreign address */
@@ -2837,7 +2818,7 @@ static void ieee80211_rx_mgmt_probe_resp(struct ieee80211_sub_if_data *sdata,
ifmgd->auth_data->tries = 0;
ifmgd->auth_data->timeout = jiffies;
ifmgd->auth_data->timeout_started = true;
- run_again(ifmgd, ifmgd->auth_data->timeout);
+ run_again(sdata, ifmgd->auth_data->timeout);
}
}
@@ -2862,10 +2843,9 @@ static const u64 care_about_ies =
(1ULL << WLAN_EID_HT_CAPABILITY) |
(1ULL << WLAN_EID_HT_OPERATION);
-static enum rx_mgmt_action
-ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_mgmt *mgmt, size_t len,
- u8 *deauth_buf, struct ieee80211_rx_status *rx_status)
+static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_mgmt *mgmt, size_t len,
+ struct ieee80211_rx_status *rx_status)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
@@ -2880,24 +2860,25 @@ ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
u8 erp_value = 0;
u32 ncrc;
u8 *bssid;
+ u8 deauth_buf[IEEE80211_DEAUTH_FRAME_LEN];
- lockdep_assert_held(&ifmgd->mtx);
+ sdata_assert_lock(sdata);
/* Process beacon from the current BSS */
baselen = (u8 *) mgmt->u.beacon.variable - (u8 *) mgmt;
if (baselen > len)
- return RX_MGMT_NONE;
+ return;
rcu_read_lock();
chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
if (!chanctx_conf) {
rcu_read_unlock();
- return RX_MGMT_NONE;
+ return;
}
if (rx_status->freq != chanctx_conf->def.chan->center_freq) {
rcu_read_unlock();
- return RX_MGMT_NONE;
+ return;
}
chan = chanctx_conf->def.chan;
rcu_read_unlock();
@@ -2924,13 +2905,13 @@ ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
/* continue assoc process */
ifmgd->assoc_data->timeout = jiffies;
ifmgd->assoc_data->timeout_started = true;
- run_again(ifmgd, ifmgd->assoc_data->timeout);
- return RX_MGMT_NONE;
+ run_again(sdata, ifmgd->assoc_data->timeout);
+ return;
}
if (!ifmgd->associated ||
!ether_addr_equal(mgmt->bssid, ifmgd->associated->bssid))
- return RX_MGMT_NONE;
+ return;
bssid = ifmgd->associated->bssid;
/* Track average RSSI from the Beacon frames of the current AP */
@@ -3076,7 +3057,7 @@ ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
}
if (ncrc == ifmgd->beacon_crc && ifmgd->beacon_crc_valid)
- return RX_MGMT_NONE;
+ return;
ifmgd->beacon_crc = ncrc;
ifmgd->beacon_crc_valid = true;
@@ -3110,6 +3091,7 @@ ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
}
changed |= BSS_CHANGED_DTIM_PERIOD;
+ ieee80211_recalc_ps_vif(sdata);
}
if (elems.erp_info) {
@@ -3131,7 +3113,9 @@ ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
WLAN_REASON_DEAUTH_LEAVING,
true, deauth_buf);
- return RX_MGMT_CFG80211_TX_DEAUTH;
+ cfg80211_send_deauth(sdata->dev, deauth_buf,
+ sizeof(deauth_buf));
+ return;
}
if (sta && elems.opmode_notif)
@@ -3148,19 +3132,13 @@ ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
elems.pwr_constr_elem);
ieee80211_bss_info_change_notify(sdata, changed);
-
- return RX_MGMT_NONE;
}
void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb)
{
- struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_rx_status *rx_status;
struct ieee80211_mgmt *mgmt;
- struct cfg80211_bss *bss = NULL;
- enum rx_mgmt_action rma = RX_MGMT_NONE;
- u8 deauth_buf[IEEE80211_DEAUTH_FRAME_LEN];
u16 fc;
struct ieee802_11_elems elems;
int ies_len;
@@ -3169,28 +3147,27 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
mgmt = (struct ieee80211_mgmt *) skb->data;
fc = le16_to_cpu(mgmt->frame_control);
- mutex_lock(&ifmgd->mtx);
+ sdata_lock(sdata);
switch (fc & IEEE80211_FCTL_STYPE) {
case IEEE80211_STYPE_BEACON:
- rma = ieee80211_rx_mgmt_beacon(sdata, mgmt, skb->len,
- deauth_buf, rx_status);
+ ieee80211_rx_mgmt_beacon(sdata, mgmt, skb->len, rx_status);
break;
case IEEE80211_STYPE_PROBE_RESP:
ieee80211_rx_mgmt_probe_resp(sdata, skb);
break;
case IEEE80211_STYPE_AUTH:
- rma = ieee80211_rx_mgmt_auth(sdata, mgmt, skb->len);
+ ieee80211_rx_mgmt_auth(sdata, mgmt, skb->len);
break;
case IEEE80211_STYPE_DEAUTH:
- rma = ieee80211_rx_mgmt_deauth(sdata, mgmt, skb->len);
+ ieee80211_rx_mgmt_deauth(sdata, mgmt, skb->len);
break;
case IEEE80211_STYPE_DISASSOC:
- rma = ieee80211_rx_mgmt_disassoc(sdata, mgmt, skb->len);
+ ieee80211_rx_mgmt_disassoc(sdata, mgmt, skb->len);
break;
case IEEE80211_STYPE_ASSOC_RESP:
case IEEE80211_STYPE_REASSOC_RESP:
- rma = ieee80211_rx_mgmt_assoc_resp(sdata, mgmt, skb->len, &bss);
+ ieee80211_rx_mgmt_assoc_resp(sdata, mgmt, skb->len);
break;
case IEEE80211_STYPE_ACTION:
if (mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT) {
@@ -3210,7 +3187,7 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
ieee80211_sta_process_chanswitch(sdata,
rx_status->mactime,
- &elems);
+ &elems, false);
} else if (mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) {
ies_len = skb->len -
offsetof(struct ieee80211_mgmt,
@@ -3232,38 +3209,11 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
ieee80211_sta_process_chanswitch(sdata,
rx_status->mactime,
- &elems);
+ &elems, false);
}
break;
}
- mutex_unlock(&ifmgd->mtx);
-
- switch (rma) {
- case RX_MGMT_NONE:
- /* no action */
- break;
- case RX_MGMT_CFG80211_DEAUTH:
- cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, skb->len);
- break;
- case RX_MGMT_CFG80211_DISASSOC:
- cfg80211_send_disassoc(sdata->dev, (u8 *)mgmt, skb->len);
- break;
- case RX_MGMT_CFG80211_RX_AUTH:
- cfg80211_send_rx_auth(sdata->dev, (u8 *)mgmt, skb->len);
- break;
- case RX_MGMT_CFG80211_RX_ASSOC:
- cfg80211_send_rx_assoc(sdata->dev, bss, (u8 *)mgmt, skb->len);
- break;
- case RX_MGMT_CFG80211_ASSOC_TIMEOUT:
- cfg80211_send_assoc_timeout(sdata->dev, mgmt->bssid);
- break;
- case RX_MGMT_CFG80211_TX_DEAUTH:
- cfg80211_send_deauth(sdata->dev, deauth_buf,
- sizeof(deauth_buf));
- break;
- default:
- WARN(1, "unexpected: %d", rma);
- }
+ sdata_unlock(sdata);
}
static void ieee80211_sta_timer(unsigned long data)
@@ -3277,20 +3227,12 @@ static void ieee80211_sta_timer(unsigned long data)
static void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
u8 *bssid, u8 reason, bool tx)
{
- struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH, reason,
tx, frame_buf);
- mutex_unlock(&ifmgd->mtx);
- /*
- * must be outside lock due to cfg80211,
- * but that's not a problem.
- */
cfg80211_send_deauth(sdata->dev, frame_buf, IEEE80211_DEAUTH_FRAME_LEN);
-
- mutex_lock(&ifmgd->mtx);
}
static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata)
@@ -3300,15 +3242,11 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata)
struct ieee80211_mgd_auth_data *auth_data = ifmgd->auth_data;
u32 tx_flags = 0;
- lockdep_assert_held(&ifmgd->mtx);
+ sdata_assert_lock(sdata);
if (WARN_ON_ONCE(!auth_data))
return -EINVAL;
- if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)
- tx_flags = IEEE80211_TX_CTL_REQ_TX_STATUS |
- IEEE80211_TX_INTFL_MLME_CONN_TX;
-
auth_data->tries++;
if (auth_data->tries > IEEE80211_AUTH_MAX_TRIES) {
@@ -3342,6 +3280,10 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata)
auth_data->expected_transaction = trans;
}
+ if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)
+ tx_flags = IEEE80211_TX_CTL_REQ_TX_STATUS |
+ IEEE80211_TX_INTFL_MLME_CONN_TX;
+
ieee80211_send_auth(sdata, trans, auth_data->algorithm, status,
auth_data->data, auth_data->data_len,
auth_data->bss->bssid,
@@ -3365,15 +3307,15 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata)
* will not answer to direct packet in unassociated state.
*/
ieee80211_send_probe_req(sdata, NULL, ssidie + 2, ssidie[1],
- NULL, 0, (u32) -1, true, tx_flags,
+ NULL, 0, (u32) -1, true, 0,
auth_data->bss->channel, false);
rcu_read_unlock();
}
- if (!(local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)) {
+ if (tx_flags == 0) {
auth_data->timeout = jiffies + IEEE80211_AUTH_TIMEOUT;
ifmgd->auth_data->timeout_started = true;
- run_again(ifmgd, auth_data->timeout);
+ run_again(sdata, auth_data->timeout);
} else {
auth_data->timeout_started = false;
}
@@ -3386,7 +3328,7 @@ static int ieee80211_do_assoc(struct ieee80211_sub_if_data *sdata)
struct ieee80211_mgd_assoc_data *assoc_data = sdata->u.mgd.assoc_data;
struct ieee80211_local *local = sdata->local;
- lockdep_assert_held(&sdata->u.mgd.mtx);
+ sdata_assert_lock(sdata);
assoc_data->tries++;
if (assoc_data->tries > IEEE80211_ASSOC_MAX_TRIES) {
@@ -3410,7 +3352,7 @@ static int ieee80211_do_assoc(struct ieee80211_sub_if_data *sdata)
if (!(local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)) {
assoc_data->timeout = jiffies + IEEE80211_ASSOC_TIMEOUT;
assoc_data->timeout_started = true;
- run_again(&sdata->u.mgd, assoc_data->timeout);
+ run_again(sdata, assoc_data->timeout);
} else {
assoc_data->timeout_started = false;
}
@@ -3435,7 +3377,7 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
- mutex_lock(&ifmgd->mtx);
+ sdata_lock(sdata);
if (ifmgd->status_received) {
__le16 fc = ifmgd->status_fc;
@@ -3447,7 +3389,7 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
if (status_acked) {
ifmgd->auth_data->timeout =
jiffies + IEEE80211_AUTH_TIMEOUT_SHORT;
- run_again(ifmgd, ifmgd->auth_data->timeout);
+ run_again(sdata, ifmgd->auth_data->timeout);
} else {
ifmgd->auth_data->timeout = jiffies - 1;
}
@@ -3458,7 +3400,7 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
if (status_acked) {
ifmgd->assoc_data->timeout =
jiffies + IEEE80211_ASSOC_TIMEOUT_SHORT;
- run_again(ifmgd, ifmgd->assoc_data->timeout);
+ run_again(sdata, ifmgd->assoc_data->timeout);
} else {
ifmgd->assoc_data->timeout = jiffies - 1;
}
@@ -3481,12 +3423,10 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
ieee80211_destroy_auth_data(sdata, false);
- mutex_unlock(&ifmgd->mtx);
cfg80211_send_auth_timeout(sdata->dev, bssid);
- mutex_lock(&ifmgd->mtx);
}
} else if (ifmgd->auth_data && ifmgd->auth_data->timeout_started)
- run_again(ifmgd, ifmgd->auth_data->timeout);
+ run_again(sdata, ifmgd->auth_data->timeout);
if (ifmgd->assoc_data && ifmgd->assoc_data->timeout_started &&
time_after(jiffies, ifmgd->assoc_data->timeout)) {
@@ -3499,12 +3439,10 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
ieee80211_destroy_assoc_data(sdata, false);
- mutex_unlock(&ifmgd->mtx);
cfg80211_send_assoc_timeout(sdata->dev, bssid);
- mutex_lock(&ifmgd->mtx);
}
} else if (ifmgd->assoc_data && ifmgd->assoc_data->timeout_started)
- run_again(ifmgd, ifmgd->assoc_data->timeout);
+ run_again(sdata, ifmgd->assoc_data->timeout);
if (ifmgd->flags & (IEEE80211_STA_BEACON_POLL |
IEEE80211_STA_CONNECTION_POLL) &&
@@ -3538,7 +3476,7 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
false);
}
} else if (time_is_after_jiffies(ifmgd->probe_timeout))
- run_again(ifmgd, ifmgd->probe_timeout);
+ run_again(sdata, ifmgd->probe_timeout);
else if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) {
mlme_dbg(sdata,
"Failed to send nullfunc to AP %pM after %dms, disconnecting\n",
@@ -3567,7 +3505,7 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
}
}
- mutex_unlock(&ifmgd->mtx);
+ sdata_unlock(sdata);
}
static void ieee80211_sta_bcn_mon_timer(unsigned long data)
@@ -3623,6 +3561,31 @@ static void ieee80211_restart_sta_timer(struct ieee80211_sub_if_data *sdata)
}
}
+#ifdef CONFIG_PM
+void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+
+ sdata_lock(sdata);
+ if (!ifmgd->associated) {
+ sdata_unlock(sdata);
+ return;
+ }
+
+ if (sdata->flags & IEEE80211_SDATA_DISCONNECT_RESUME) {
+ sdata->flags &= ~IEEE80211_SDATA_DISCONNECT_RESUME;
+ mlme_dbg(sdata, "driver requested disconnect after resume\n");
+ ieee80211_sta_connection_lost(sdata,
+ ifmgd->associated->bssid,
+ WLAN_REASON_UNSPECIFIED,
+ true);
+ sdata_unlock(sdata);
+ return;
+ }
+ sdata_unlock(sdata);
+}
+#endif
+
/* interface setup */
void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata)
{
@@ -3651,8 +3614,6 @@ void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata)
ifmgd->uapsd_max_sp_len = sdata->local->hw.uapsd_max_sp_len;
ifmgd->p2p_noa_index = -1;
- mutex_init(&ifmgd->mtx);
-
if (sdata->local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS)
ifmgd->req_smps = IEEE80211_SMPS_AUTOMATIC;
else
@@ -4008,8 +3969,6 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
/* try to authenticate/probe */
- mutex_lock(&ifmgd->mtx);
-
if ((ifmgd->auth_data && !ifmgd->auth_data->done) ||
ifmgd->assoc_data) {
err = -EBUSY;
@@ -4029,8 +3988,8 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
WLAN_REASON_UNSPECIFIED,
false, frame_buf);
- __cfg80211_send_deauth(sdata->dev, frame_buf,
- sizeof(frame_buf));
+ cfg80211_send_deauth(sdata->dev, frame_buf,
+ sizeof(frame_buf));
}
sdata_info(sdata, "authenticate with %pM\n", req->bss->bssid);
@@ -4047,8 +4006,7 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
/* hold our own reference */
cfg80211_ref_bss(local->hw.wiphy, auth_data->bss);
- err = 0;
- goto out_unlock;
+ return 0;
err_clear:
memset(ifmgd->bssid, 0, ETH_ALEN);
@@ -4056,9 +4014,6 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
ifmgd->auth_data = NULL;
err_free:
kfree(auth_data);
- out_unlock:
- mutex_unlock(&ifmgd->mtx);
-
return err;
}
@@ -4089,8 +4044,6 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
assoc_data->ssid_len = ssidie[1];
rcu_read_unlock();
- mutex_lock(&ifmgd->mtx);
-
if (ifmgd->associated) {
u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
@@ -4098,8 +4051,8 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
WLAN_REASON_UNSPECIFIED,
false, frame_buf);
- __cfg80211_send_deauth(sdata->dev, frame_buf,
- sizeof(frame_buf));
+ cfg80211_send_deauth(sdata->dev, frame_buf,
+ sizeof(frame_buf));
}
if (ifmgd->auth_data && !ifmgd->auth_data->done) {
@@ -4293,7 +4246,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
}
rcu_read_unlock();
- run_again(ifmgd, assoc_data->timeout);
+ run_again(sdata, assoc_data->timeout);
if (bss->corrupt_data) {
char *corrupt_type = "data";
@@ -4309,17 +4262,13 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
corrupt_type);
}
- err = 0;
- goto out;
+ return 0;
err_clear:
memset(ifmgd->bssid, 0, ETH_ALEN);
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BSSID);
ifmgd->assoc_data = NULL;
err_free:
kfree(assoc_data);
- out:
- mutex_unlock(&ifmgd->mtx);
-
return err;
}
@@ -4329,9 +4278,7 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
bool tx = !req->local_state_change;
- bool sent_frame = false;
-
- mutex_lock(&ifmgd->mtx);
+ bool report_frame = false;
sdata_info(sdata,
"deauthenticating from %pM by local choice (reason=%d)\n",
@@ -4344,9 +4291,8 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
req->reason_code, tx,
frame_buf);
ieee80211_destroy_auth_data(sdata, false);
- mutex_unlock(&ifmgd->mtx);
- sent_frame = tx;
+ report_frame = true;
goto out;
}
@@ -4354,14 +4300,13 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
ether_addr_equal(ifmgd->associated->bssid, req->bssid)) {
ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
req->reason_code, tx, frame_buf);
- sent_frame = tx;
+ report_frame = true;
}
- mutex_unlock(&ifmgd->mtx);
out:
- if (sent_frame)
- __cfg80211_send_deauth(sdata->dev, frame_buf,
- IEEE80211_DEAUTH_FRAME_LEN);
+ if (report_frame)
+ cfg80211_send_deauth(sdata->dev, frame_buf,
+ IEEE80211_DEAUTH_FRAME_LEN);
return 0;
}
@@ -4373,18 +4318,14 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
u8 bssid[ETH_ALEN];
u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
- mutex_lock(&ifmgd->mtx);
-
/*
* cfg80211 should catch this ... but it's racy since
* we can receive a disassoc frame, process it, hand it
* to cfg80211 while that's in a locked section already
* trying to tell us that the user wants to disconnect.
*/
- if (ifmgd->associated != req->bss) {
- mutex_unlock(&ifmgd->mtx);
+ if (ifmgd->associated != req->bss)
return -ENOLINK;
- }
sdata_info(sdata,
"disassociating from %pM by local choice (reason=%d)\n",
@@ -4394,10 +4335,9 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DISASSOC,
req->reason_code, !req->local_state_change,
frame_buf);
- mutex_unlock(&ifmgd->mtx);
- __cfg80211_send_disassoc(sdata->dev, frame_buf,
- IEEE80211_DEAUTH_FRAME_LEN);
+ cfg80211_send_disassoc(sdata->dev, frame_buf,
+ IEEE80211_DEAUTH_FRAME_LEN);
return 0;
}
@@ -4417,13 +4357,13 @@ void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata)
cancel_work_sync(&ifmgd->csa_connection_drop_work);
cancel_work_sync(&ifmgd->chswitch_work);
- mutex_lock(&ifmgd->mtx);
+ sdata_lock(sdata);
if (ifmgd->assoc_data)
ieee80211_destroy_assoc_data(sdata, false);
if (ifmgd->auth_data)
ieee80211_destroy_auth_data(sdata, false);
del_timer_sync(&ifmgd->timer);
- mutex_unlock(&ifmgd->mtx);
+ sdata_unlock(sdata);
}
void ieee80211_cqm_rssi_notify(struct ieee80211_vif *vif,
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index 0d51877efdb..d3f414fe67e 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -688,8 +688,15 @@ int rate_control_set_rates(struct ieee80211_hw *hw,
struct ieee80211_sta *pubsta,
struct ieee80211_sta_rates *rates)
{
- struct ieee80211_sta_rates *old = rcu_dereference(pubsta->rates);
+ struct ieee80211_sta_rates *old;
+ /*
+ * mac80211 guarantees that this function will not be called
+ * concurrently, so the following RCU access is safe, even without
+ * extra locking. This can not be checked easily, so we just set
+ * the condition to true.
+ */
+ old = rcu_dereference_protected(pubsta->rates, true);
rcu_assign_pointer(pubsta->rates, rates);
if (old)
kfree_rcu(old, rcu_head);
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index c8447af76ea..bdd7b4a719e 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -258,6 +258,8 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
pos += 2;
if (status->flag & RX_FLAG_HT) {
+ unsigned int stbc;
+
rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_MCS);
*pos++ = local->hw.radiotap_mcs_details;
*pos = 0;
@@ -267,6 +269,8 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
*pos |= IEEE80211_RADIOTAP_MCS_BW_40;
if (status->flag & RX_FLAG_HT_GF)
*pos |= IEEE80211_RADIOTAP_MCS_FMT_GF;
+ stbc = (status->flag & RX_FLAG_STBC_MASK) >> RX_FLAG_STBC_SHIFT;
+ *pos |= stbc << IEEE80211_RADIOTAP_MCS_STBC_SHIFT;
pos++;
*pos++ = status->rate_idx;
}
@@ -1372,6 +1376,7 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
struct sk_buff *skb = rx->skb;
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ int i;
if (!sta)
return RX_CONTINUE;
@@ -1422,6 +1427,19 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
ewma_add(&sta->avg_signal, -status->signal);
}
+ if (status->chains) {
+ sta->chains = status->chains;
+ for (i = 0; i < ARRAY_SIZE(status->chain_signal); i++) {
+ int signal = status->chain_signal[i];
+
+ if (!(status->chains & BIT(i)))
+ continue;
+
+ sta->chain_signal_last[i] = signal;
+ ewma_add(&sta->chain_signal_avg[i], -signal);
+ }
+ }
+
/*
* Change STA power saving mode only at the end of a frame
* exchange sequence.
@@ -1608,7 +1626,7 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
entry->ccmp = 1;
memcpy(entry->last_pn,
rx->key->u.ccmp.rx_pn[queue],
- CCMP_PN_LEN);
+ IEEE80211_CCMP_PN_LEN);
}
return RX_QUEUED;
}
@@ -1627,21 +1645,21 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
* (IEEE 802.11i, 8.3.3.4.5) */
if (entry->ccmp) {
int i;
- u8 pn[CCMP_PN_LEN], *rpn;
+ u8 pn[IEEE80211_CCMP_PN_LEN], *rpn;
int queue;
if (!rx->key || rx->key->conf.cipher != WLAN_CIPHER_SUITE_CCMP)
return RX_DROP_UNUSABLE;
- memcpy(pn, entry->last_pn, CCMP_PN_LEN);
- for (i = CCMP_PN_LEN - 1; i >= 0; i--) {
+ memcpy(pn, entry->last_pn, IEEE80211_CCMP_PN_LEN);
+ for (i = IEEE80211_CCMP_PN_LEN - 1; i >= 0; i--) {
pn[i]++;
if (pn[i])
break;
}
queue = rx->security_idx;
rpn = rx->key->u.ccmp.rx_pn[queue];
- if (memcmp(pn, rpn, CCMP_PN_LEN))
+ if (memcmp(pn, rpn, IEEE80211_CCMP_PN_LEN))
return RX_DROP_UNUSABLE;
- memcpy(entry->last_pn, pn, CCMP_PN_LEN);
+ memcpy(entry->last_pn, pn, IEEE80211_CCMP_PN_LEN);
}
skb_pull(rx->skb, ieee80211_hdrlen(fc));
@@ -3036,6 +3054,9 @@ static int prepare_for_handlers(struct ieee80211_rx_data *rx,
* and location updates. Note that mac80211
* itself never looks at these frames.
*/
+ if (!multicast &&
+ !ether_addr_equal(sdata->vif.addr, hdr->addr1))
+ return 0;
if (ieee80211_is_public_action(hdr, skb->len))
return 1;
if (!ieee80211_is_beacon(hdr->frame_control))
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 11216bc13b2..a04c5671d7f 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -358,6 +358,8 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
do_posix_clock_monotonic_gettime(&uptime);
sta->last_connected = uptime.tv_sec;
ewma_init(&sta->avg_signal, 1024, 8);
+ for (i = 0; i < ARRAY_SIZE(sta->chain_signal_avg); i++)
+ ewma_init(&sta->chain_signal_avg[i], 1024, 8);
if (sta_prepare_rate_control(local, sta, gfp)) {
kfree(sta);
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index adc30045f99..41c28b977f7 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -344,6 +344,11 @@ struct sta_info {
int last_signal;
struct ewma avg_signal;
int last_ack_signal;
+
+ u8 chains;
+ s8 chain_signal_last[IEEE80211_MAX_CHAINS];
+ struct ewma chain_signal_avg[IEEE80211_MAX_CHAINS];
+
/* Plus 1 for non-QoS frames */
__le16 last_seq_ctrl[IEEE80211_NUM_TIDS + 1];
diff --git a/net/mac80211/tkip.c b/net/mac80211/tkip.c
index 3ed801d90f1..124b1fdc20d 100644
--- a/net/mac80211/tkip.c
+++ b/net/mac80211/tkip.c
@@ -208,10 +208,10 @@ void ieee80211_get_tkip_p2k(struct ieee80211_key_conf *keyconf,
u32 iv32 = get_unaligned_le32(&data[4]);
u16 iv16 = data[2] | (data[0] << 8);
- spin_lock_bh(&key->u.tkip.txlock);
+ spin_lock(&key->u.tkip.txlock);
ieee80211_compute_tkip_p1k(key, iv32);
tkip_mixing_phase2(tk, ctx, iv16, p2k);
- spin_unlock_bh(&key->u.tkip.txlock);
+ spin_unlock(&key->u.tkip.txlock);
}
EXPORT_SYMBOL(ieee80211_get_tkip_p2k);
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 3f87fa468b1..2a8d759324c 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1072,32 +1072,6 @@ void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
ieee80211_set_wmm_default(sdata, true);
}
-u32 ieee80211_mandatory_rates(struct ieee80211_local *local,
- enum ieee80211_band band)
-{
- struct ieee80211_supported_band *sband;
- struct ieee80211_rate *bitrates;
- u32 mandatory_rates;
- enum ieee80211_rate_flags mandatory_flag;
- int i;
-
- sband = local->hw.wiphy->bands[band];
- if (WARN_ON(!sband))
- return 1;
-
- if (band == IEEE80211_BAND_2GHZ)
- mandatory_flag = IEEE80211_RATE_MANDATORY_B;
- else
- mandatory_flag = IEEE80211_RATE_MANDATORY_A;
-
- bitrates = sband->bitrates;
- mandatory_rates = 0;
- for (i = 0; i < sband->n_bitrates; i++)
- if (bitrates[i].flags & mandatory_flag)
- mandatory_rates |= BIT(i);
- return mandatory_rates;
-}
-
void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
u16 transaction, u16 auth_alg, u16 status,
const u8 *extra, size_t extra_len, const u8 *da,
@@ -1607,9 +1581,9 @@ int ieee80211_reconfig(struct ieee80211_local *local)
if (sdata->u.mgd.dtim_period)
changed |= BSS_CHANGED_DTIM_PERIOD;
- mutex_lock(&sdata->u.mgd.mtx);
+ sdata_lock(sdata);
ieee80211_bss_info_change_notify(sdata, changed);
- mutex_unlock(&sdata->u.mgd.mtx);
+ sdata_unlock(sdata);
break;
case NL80211_IFTYPE_ADHOC:
changed |= BSS_CHANGED_IBSS;
@@ -1740,6 +1714,13 @@ int ieee80211_reconfig(struct ieee80211_local *local)
mb();
local->resuming = false;
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ if (!ieee80211_sdata_running(sdata))
+ continue;
+ if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ ieee80211_sta_restart(sdata);
+ }
+
mod_timer(&local->sta_cleanup, jiffies + 1);
#else
WARN_ON(1);
diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c
index c04d401dae9..6ee2b586357 100644
--- a/net/mac80211/wep.c
+++ b/net/mac80211/wep.c
@@ -28,7 +28,7 @@
int ieee80211_wep_init(struct ieee80211_local *local)
{
/* start WEP IV from a random value */
- get_random_bytes(&local->wep_iv, WEP_IV_LEN);
+ get_random_bytes(&local->wep_iv, IEEE80211_WEP_IV_LEN);
local->wep_tx_tfm = crypto_alloc_cipher("arc4", 0, CRYPTO_ALG_ASYNC);
if (IS_ERR(local->wep_tx_tfm)) {
@@ -98,20 +98,21 @@ static u8 *ieee80211_wep_add_iv(struct ieee80211_local *local,
hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PROTECTED);
- if (WARN_ON(skb_tailroom(skb) < WEP_ICV_LEN ||
- skb_headroom(skb) < WEP_IV_LEN))
+ if (WARN_ON(skb_tailroom(skb) < IEEE80211_WEP_ICV_LEN ||
+ skb_headroom(skb) < IEEE80211_WEP_IV_LEN))
return NULL;
hdrlen = ieee80211_hdrlen(hdr->frame_control);
- newhdr = skb_push(skb, WEP_IV_LEN);
- memmove(newhdr, newhdr + WEP_IV_LEN, hdrlen);
+ newhdr = skb_push(skb, IEEE80211_WEP_IV_LEN);
+ memmove(newhdr, newhdr + IEEE80211_WEP_IV_LEN, hdrlen);
/* the HW only needs room for the IV, but not the actual IV */
if (info->control.hw_key &&
(info->control.hw_key->flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE))
return newhdr + hdrlen;
- skb_set_network_header(skb, skb_network_offset(skb) + WEP_IV_LEN);
+ skb_set_network_header(skb, skb_network_offset(skb) +
+ IEEE80211_WEP_IV_LEN);
ieee80211_wep_get_iv(local, keylen, keyidx, newhdr + hdrlen);
return newhdr + hdrlen;
}
@@ -125,8 +126,8 @@ static void ieee80211_wep_remove_iv(struct ieee80211_local *local,
unsigned int hdrlen;
hdrlen = ieee80211_hdrlen(hdr->frame_control);
- memmove(skb->data + WEP_IV_LEN, skb->data, hdrlen);
- skb_pull(skb, WEP_IV_LEN);
+ memmove(skb->data + IEEE80211_WEP_IV_LEN, skb->data, hdrlen);
+ skb_pull(skb, IEEE80211_WEP_IV_LEN);
}
@@ -146,7 +147,7 @@ int ieee80211_wep_encrypt_data(struct crypto_cipher *tfm, u8 *rc4key,
put_unaligned(icv, (__le32 *)(data + data_len));
crypto_cipher_setkey(tfm, rc4key, klen);
- for (i = 0; i < data_len + WEP_ICV_LEN; i++)
+ for (i = 0; i < data_len + IEEE80211_WEP_ICV_LEN; i++)
crypto_cipher_encrypt_one(tfm, data + i, data + i);
return 0;
@@ -172,7 +173,7 @@ int ieee80211_wep_encrypt(struct ieee80211_local *local,
if (!iv)
return -1;
- len = skb->len - (iv + WEP_IV_LEN - skb->data);
+ len = skb->len - (iv + IEEE80211_WEP_IV_LEN - skb->data);
/* Prepend 24-bit IV to RC4 key */
memcpy(rc4key, iv, 3);
@@ -181,10 +182,10 @@ int ieee80211_wep_encrypt(struct ieee80211_local *local,
memcpy(rc4key + 3, key, keylen);
/* Add room for ICV */
- skb_put(skb, WEP_ICV_LEN);
+ skb_put(skb, IEEE80211_WEP_ICV_LEN);
return ieee80211_wep_encrypt_data(local->wep_tx_tfm, rc4key, keylen + 3,
- iv + WEP_IV_LEN, len);
+ iv + IEEE80211_WEP_IV_LEN, len);
}
@@ -201,11 +202,11 @@ int ieee80211_wep_decrypt_data(struct crypto_cipher *tfm, u8 *rc4key,
return -1;
crypto_cipher_setkey(tfm, rc4key, klen);
- for (i = 0; i < data_len + WEP_ICV_LEN; i++)
+ for (i = 0; i < data_len + IEEE80211_WEP_ICV_LEN; i++)
crypto_cipher_decrypt_one(tfm, data + i, data + i);
crc = cpu_to_le32(~crc32_le(~0, data, data_len));
- if (memcmp(&crc, data + data_len, WEP_ICV_LEN) != 0)
+ if (memcmp(&crc, data + data_len, IEEE80211_WEP_ICV_LEN) != 0)
/* ICV mismatch */
return -1;
@@ -237,10 +238,10 @@ static int ieee80211_wep_decrypt(struct ieee80211_local *local,
return -1;
hdrlen = ieee80211_hdrlen(hdr->frame_control);
- if (skb->len < hdrlen + WEP_IV_LEN + WEP_ICV_LEN)
+ if (skb->len < hdrlen + IEEE80211_WEP_IV_LEN + IEEE80211_WEP_ICV_LEN)
return -1;
- len = skb->len - hdrlen - WEP_IV_LEN - WEP_ICV_LEN;
+ len = skb->len - hdrlen - IEEE80211_WEP_IV_LEN - IEEE80211_WEP_ICV_LEN;
keyidx = skb->data[hdrlen + 3] >> 6;
@@ -256,16 +257,16 @@ static int ieee80211_wep_decrypt(struct ieee80211_local *local,
memcpy(rc4key + 3, key->conf.key, key->conf.keylen);
if (ieee80211_wep_decrypt_data(local->wep_rx_tfm, rc4key, klen,
- skb->data + hdrlen + WEP_IV_LEN,
- len))
+ skb->data + hdrlen +
+ IEEE80211_WEP_IV_LEN, len))
ret = -1;
/* Trim ICV */
- skb_trim(skb, skb->len - WEP_ICV_LEN);
+ skb_trim(skb, skb->len - IEEE80211_WEP_ICV_LEN);
/* Remove IV */
- memmove(skb->data + WEP_IV_LEN, skb->data, hdrlen);
- skb_pull(skb, WEP_IV_LEN);
+ memmove(skb->data + IEEE80211_WEP_IV_LEN, skb->data, hdrlen);
+ skb_pull(skb, IEEE80211_WEP_IV_LEN);
return ret;
}
@@ -305,13 +306,14 @@ ieee80211_crypto_wep_decrypt(struct ieee80211_rx_data *rx)
if (ieee80211_wep_decrypt(rx->local, rx->skb, rx->key))
return RX_DROP_UNUSABLE;
} else if (!(status->flag & RX_FLAG_IV_STRIPPED)) {
- if (!pskb_may_pull(rx->skb, ieee80211_hdrlen(fc) + WEP_IV_LEN))
+ if (!pskb_may_pull(rx->skb, ieee80211_hdrlen(fc) +
+ IEEE80211_WEP_IV_LEN))
return RX_DROP_UNUSABLE;
if (rx->sta && ieee80211_wep_is_weak_iv(rx->skb, rx->key))
rx->sta->wep_weak_iv_count++;
ieee80211_wep_remove_iv(rx->local, rx->skb, rx->key);
/* remove ICV */
- if (pskb_trim(rx->skb, rx->skb->len - WEP_ICV_LEN))
+ if (pskb_trim(rx->skb, rx->skb->len - IEEE80211_WEP_ICV_LEN))
return RX_DROP_UNUSABLE;
}
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index c7c6d644486..c9edfcb7a13 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -62,10 +62,10 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_tx_data *tx)
tail = MICHAEL_MIC_LEN;
if (!info->control.hw_key)
- tail += TKIP_ICV_LEN;
+ tail += IEEE80211_TKIP_ICV_LEN;
if (WARN_ON(skb_tailroom(skb) < tail ||
- skb_headroom(skb) < TKIP_IV_LEN))
+ skb_headroom(skb) < IEEE80211_TKIP_IV_LEN))
return TX_DROP;
key = &tx->key->conf.key[NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY];
@@ -198,15 +198,16 @@ static int tkip_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
if (info->control.hw_key)
tail = 0;
else
- tail = TKIP_ICV_LEN;
+ tail = IEEE80211_TKIP_ICV_LEN;
if (WARN_ON(skb_tailroom(skb) < tail ||
- skb_headroom(skb) < TKIP_IV_LEN))
+ skb_headroom(skb) < IEEE80211_TKIP_IV_LEN))
return -1;
- pos = skb_push(skb, TKIP_IV_LEN);
- memmove(pos, pos + TKIP_IV_LEN, hdrlen);
- skb_set_network_header(skb, skb_network_offset(skb) + TKIP_IV_LEN);
+ pos = skb_push(skb, IEEE80211_TKIP_IV_LEN);
+ memmove(pos, pos + IEEE80211_TKIP_IV_LEN, hdrlen);
+ skb_set_network_header(skb, skb_network_offset(skb) +
+ IEEE80211_TKIP_IV_LEN);
pos += hdrlen;
/* the HW only needs room for the IV, but not the actual IV */
@@ -227,7 +228,7 @@ static int tkip_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
return 0;
/* Add room for ICV */
- skb_put(skb, TKIP_ICV_LEN);
+ skb_put(skb, IEEE80211_TKIP_ICV_LEN);
return ieee80211_tkip_encrypt_data(tx->local->wep_tx_tfm,
key, skb, pos, len);
@@ -290,11 +291,11 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_rx_data *rx)
return RX_DROP_UNUSABLE;
/* Trim ICV */
- skb_trim(skb, skb->len - TKIP_ICV_LEN);
+ skb_trim(skb, skb->len - IEEE80211_TKIP_ICV_LEN);
/* Remove IV */
- memmove(skb->data + TKIP_IV_LEN, skb->data, hdrlen);
- skb_pull(skb, TKIP_IV_LEN);
+ memmove(skb->data + IEEE80211_TKIP_IV_LEN, skb->data, hdrlen);
+ skb_pull(skb, IEEE80211_TKIP_IV_LEN);
return RX_CONTINUE;
}
@@ -337,9 +338,9 @@ static void ccmp_special_blocks(struct sk_buff *skb, u8 *pn, u8 *scratch,
else
qos_tid = 0;
- data_len = skb->len - hdrlen - CCMP_HDR_LEN;
+ data_len = skb->len - hdrlen - IEEE80211_CCMP_HDR_LEN;
if (encrypted)
- data_len -= CCMP_MIC_LEN;
+ data_len -= IEEE80211_CCMP_MIC_LEN;
/* First block, b_0 */
b_0[0] = 0x59; /* flags: Adata: 1, M: 011, L: 001 */
@@ -348,7 +349,7 @@ static void ccmp_special_blocks(struct sk_buff *skb, u8 *pn, u8 *scratch,
*/
b_0[1] = qos_tid | (mgmt << 4);
memcpy(&b_0[2], hdr->addr2, ETH_ALEN);
- memcpy(&b_0[8], pn, CCMP_PN_LEN);
+ memcpy(&b_0[8], pn, IEEE80211_CCMP_PN_LEN);
/* l(m) */
put_unaligned_be16(data_len, &b_0[14]);
@@ -424,15 +425,16 @@ static int ccmp_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
if (info->control.hw_key)
tail = 0;
else
- tail = CCMP_MIC_LEN;
+ tail = IEEE80211_CCMP_MIC_LEN;
if (WARN_ON(skb_tailroom(skb) < tail ||
- skb_headroom(skb) < CCMP_HDR_LEN))
+ skb_headroom(skb) < IEEE80211_CCMP_HDR_LEN))
return -1;
- pos = skb_push(skb, CCMP_HDR_LEN);
- memmove(pos, pos + CCMP_HDR_LEN, hdrlen);
- skb_set_network_header(skb, skb_network_offset(skb) + CCMP_HDR_LEN);
+ pos = skb_push(skb, IEEE80211_CCMP_HDR_LEN);
+ memmove(pos, pos + IEEE80211_CCMP_HDR_LEN, hdrlen);
+ skb_set_network_header(skb, skb_network_offset(skb) +
+ IEEE80211_CCMP_HDR_LEN);
/* the HW only needs room for the IV, but not the actual IV */
if (info->control.hw_key &&
@@ -457,10 +459,10 @@ static int ccmp_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
if (info->control.hw_key)
return 0;
- pos += CCMP_HDR_LEN;
+ pos += IEEE80211_CCMP_HDR_LEN;
ccmp_special_blocks(skb, pn, scratch, 0);
ieee80211_aes_ccm_encrypt(key->u.ccmp.tfm, scratch, pos, len,
- pos, skb_put(skb, CCMP_MIC_LEN));
+ pos, skb_put(skb, IEEE80211_CCMP_MIC_LEN));
return 0;
}
@@ -490,7 +492,7 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx)
struct ieee80211_key *key = rx->key;
struct sk_buff *skb = rx->skb;
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
- u8 pn[CCMP_PN_LEN];
+ u8 pn[IEEE80211_CCMP_PN_LEN];
int data_len;
int queue;
@@ -500,12 +502,13 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx)
!ieee80211_is_robust_mgmt_frame(hdr))
return RX_CONTINUE;
- data_len = skb->len - hdrlen - CCMP_HDR_LEN - CCMP_MIC_LEN;
+ data_len = skb->len - hdrlen - IEEE80211_CCMP_HDR_LEN -
+ IEEE80211_CCMP_MIC_LEN;
if (!rx->sta || data_len < 0)
return RX_DROP_UNUSABLE;
if (status->flag & RX_FLAG_DECRYPTED) {
- if (!pskb_may_pull(rx->skb, hdrlen + CCMP_HDR_LEN))
+ if (!pskb_may_pull(rx->skb, hdrlen + IEEE80211_CCMP_HDR_LEN))
return RX_DROP_UNUSABLE;
} else {
if (skb_linearize(rx->skb))
@@ -516,7 +519,7 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx)
queue = rx->security_idx;
- if (memcmp(pn, key->u.ccmp.rx_pn[queue], CCMP_PN_LEN) <= 0) {
+ if (memcmp(pn, key->u.ccmp.rx_pn[queue], IEEE80211_CCMP_PN_LEN) <= 0) {
key->u.ccmp.replays++;
return RX_DROP_UNUSABLE;
}
@@ -528,19 +531,20 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx)
if (ieee80211_aes_ccm_decrypt(
key->u.ccmp.tfm, scratch,
- skb->data + hdrlen + CCMP_HDR_LEN, data_len,
- skb->data + skb->len - CCMP_MIC_LEN,
- skb->data + hdrlen + CCMP_HDR_LEN))
+ skb->data + hdrlen + IEEE80211_CCMP_HDR_LEN,
+ data_len,
+ skb->data + skb->len - IEEE80211_CCMP_MIC_LEN,
+ skb->data + hdrlen + IEEE80211_CCMP_HDR_LEN))
return RX_DROP_UNUSABLE;
}
- memcpy(key->u.ccmp.rx_pn[queue], pn, CCMP_PN_LEN);
+ memcpy(key->u.ccmp.rx_pn[queue], pn, IEEE80211_CCMP_PN_LEN);
/* Remove CCMP header and MIC */
- if (pskb_trim(skb, skb->len - CCMP_MIC_LEN))
+ if (pskb_trim(skb, skb->len - IEEE80211_CCMP_MIC_LEN))
return RX_DROP_UNUSABLE;
- memmove(skb->data + CCMP_HDR_LEN, skb->data, hdrlen);
- skb_pull(skb, CCMP_HDR_LEN);
+ memmove(skb->data + IEEE80211_CCMP_HDR_LEN, skb->data, hdrlen);
+ skb_pull(skb, IEEE80211_CCMP_HDR_LEN);
return RX_CONTINUE;
}
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 84c9ad7e1dc..41cec1776f4 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -34,13 +34,12 @@
MODULE_AUTHOR("Johannes Berg");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("wireless configuration support");
+MODULE_ALIAS_GENL_FAMILY(NL80211_GENL_NAME);
-/* RCU-protected (and cfg80211_mutex for writers) */
+/* RCU-protected (and RTNL for writers) */
LIST_HEAD(cfg80211_rdev_list);
int cfg80211_rdev_list_generation;
-DEFINE_MUTEX(cfg80211_mutex);
-
/* for debugfs */
static struct dentry *ieee80211_debugfs_dir;
@@ -52,12 +51,11 @@ module_param(cfg80211_disable_40mhz_24ghz, bool, 0644);
MODULE_PARM_DESC(cfg80211_disable_40mhz_24ghz,
"Disable 40MHz support in the 2.4GHz band");
-/* requires cfg80211_mutex to be held! */
struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx)
{
struct cfg80211_registered_device *result = NULL, *rdev;
- assert_cfg80211_lock();
+ ASSERT_RTNL();
list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
if (rdev->wiphy_idx == wiphy_idx) {
@@ -76,12 +74,11 @@ int get_wiphy_idx(struct wiphy *wiphy)
return rdev->wiphy_idx;
}
-/* requires cfg80211_rdev_mutex to be held! */
struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx)
{
struct cfg80211_registered_device *rdev;
- assert_cfg80211_lock();
+ ASSERT_RTNL();
rdev = cfg80211_rdev_by_wiphy_idx(wiphy_idx);
if (!rdev)
@@ -89,35 +86,13 @@ struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx)
return &rdev->wiphy;
}
-struct cfg80211_registered_device *
-cfg80211_get_dev_from_ifindex(struct net *net, int ifindex)
-{
- struct cfg80211_registered_device *rdev = ERR_PTR(-ENODEV);
- struct net_device *dev;
-
- mutex_lock(&cfg80211_mutex);
- dev = dev_get_by_index(net, ifindex);
- if (!dev)
- goto out;
- if (dev->ieee80211_ptr) {
- rdev = wiphy_to_dev(dev->ieee80211_ptr->wiphy);
- mutex_lock(&rdev->mtx);
- } else
- rdev = ERR_PTR(-ENODEV);
- dev_put(dev);
- out:
- mutex_unlock(&cfg80211_mutex);
- return rdev;
-}
-
-/* requires cfg80211_mutex to be held */
int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
char *newname)
{
struct cfg80211_registered_device *rdev2;
int wiphy_idx, taken = -1, result, digits;
- assert_cfg80211_lock();
+ ASSERT_RTNL();
/* prohibit calling the thing phy%d when %d is not its number */
sscanf(newname, PHY_NAME "%d%n", &wiphy_idx, &taken);
@@ -215,8 +190,7 @@ static void cfg80211_rfkill_poll(struct rfkill *rfkill, void *data)
void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev)
{
- lockdep_assert_held(&rdev->devlist_mtx);
- lockdep_assert_held(&rdev->sched_scan_mtx);
+ ASSERT_RTNL();
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_P2P_DEVICE))
return;
@@ -230,18 +204,15 @@ void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev,
rdev->opencount--;
if (rdev->scan_req && rdev->scan_req->wdev == wdev) {
- bool busy = work_busy(&rdev->scan_done_wk);
-
/*
- * If the work isn't pending or running (in which case it would
- * be waiting for the lock we hold) the driver didn't properly
- * cancel the scan when the interface was removed. In this case
- * warn and leak the scan request object to not crash later.
+ * If the scan request wasn't notified as done, set it
+ * to aborted and leak it after a warning. The driver
+ * should have notified us that it ended at the latest
+ * during rdev_stop_p2p_device().
*/
- WARN_ON(!busy);
-
- rdev->scan_req->aborted = true;
- ___cfg80211_scan_done(rdev, !busy);
+ if (WARN_ON(!rdev->scan_req->notified))
+ rdev->scan_req->aborted = true;
+ ___cfg80211_scan_done(rdev, !rdev->scan_req->notified);
}
}
@@ -255,8 +226,6 @@ static int cfg80211_rfkill_set_block(void *data, bool blocked)
rtnl_lock();
- /* read-only iteration need not hold the devlist_mtx */
-
list_for_each_entry(wdev, &rdev->wdev_list, list) {
if (wdev->netdev) {
dev_close(wdev->netdev);
@@ -265,12 +234,7 @@ static int cfg80211_rfkill_set_block(void *data, bool blocked)
/* otherwise, check iftype */
switch (wdev->iftype) {
case NL80211_IFTYPE_P2P_DEVICE:
- /* but this requires it */
- mutex_lock(&rdev->devlist_mtx);
- mutex_lock(&rdev->sched_scan_mtx);
cfg80211_stop_p2p_device(rdev, wdev);
- mutex_unlock(&rdev->sched_scan_mtx);
- mutex_unlock(&rdev->devlist_mtx);
break;
default:
break;
@@ -298,10 +262,7 @@ static void cfg80211_event_work(struct work_struct *work)
event_work);
rtnl_lock();
- cfg80211_lock_rdev(rdev);
-
cfg80211_process_rdev_events(rdev);
- cfg80211_unlock_rdev(rdev);
rtnl_unlock();
}
@@ -309,7 +270,7 @@ static void cfg80211_event_work(struct work_struct *work)
struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
{
- static int wiphy_counter;
+ static atomic_t wiphy_counter = ATOMIC_INIT(0);
struct cfg80211_registered_device *rdev;
int alloc_size;
@@ -331,26 +292,18 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
rdev->ops = ops;
- mutex_lock(&cfg80211_mutex);
-
- rdev->wiphy_idx = wiphy_counter++;
+ rdev->wiphy_idx = atomic_inc_return(&wiphy_counter);
if (unlikely(rdev->wiphy_idx < 0)) {
- wiphy_counter--;
- mutex_unlock(&cfg80211_mutex);
/* ugh, wrapped! */
+ atomic_dec(&wiphy_counter);
kfree(rdev);
return NULL;
}
- mutex_unlock(&cfg80211_mutex);
-
/* give it a proper name */
dev_set_name(&rdev->wiphy.dev, PHY_NAME "%d", rdev->wiphy_idx);
- mutex_init(&rdev->mtx);
- mutex_init(&rdev->devlist_mtx);
- mutex_init(&rdev->sched_scan_mtx);
INIT_LIST_HEAD(&rdev->wdev_list);
INIT_LIST_HEAD(&rdev->beacon_registrations);
spin_lock_init(&rdev->beacon_registrations_lock);
@@ -598,11 +551,11 @@ int wiphy_register(struct wiphy *wiphy)
/* check and set up bitrates */
ieee80211_set_bitrate_flags(wiphy);
- mutex_lock(&cfg80211_mutex);
+ rtnl_lock();
res = device_add(&rdev->wiphy.dev);
if (res) {
- mutex_unlock(&cfg80211_mutex);
+ rtnl_unlock();
return res;
}
@@ -631,24 +584,21 @@ int wiphy_register(struct wiphy *wiphy)
}
cfg80211_debugfs_rdev_add(rdev);
- mutex_unlock(&cfg80211_mutex);
- /*
- * due to a locking dependency this has to be outside of the
- * cfg80211_mutex lock
- */
res = rfkill_register(rdev->rfkill);
- if (res)
- goto out_rm_dev;
+ if (res) {
+ device_del(&rdev->wiphy.dev);
+
+ debugfs_remove_recursive(rdev->wiphy.debugfsdir);
+ list_del_rcu(&rdev->list);
+ wiphy_regulatory_deregister(wiphy);
+ rtnl_unlock();
+ return res;
+ }
- rtnl_lock();
rdev->wiphy.registered = true;
rtnl_unlock();
return 0;
-
-out_rm_dev:
- device_del(&rdev->wiphy.dev);
- return res;
}
EXPORT_SYMBOL(wiphy_register);
@@ -675,25 +625,19 @@ void wiphy_unregister(struct wiphy *wiphy)
{
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
- rtnl_lock();
- rdev->wiphy.registered = false;
- rtnl_unlock();
-
- rfkill_unregister(rdev->rfkill);
-
- /* protect the device list */
- mutex_lock(&cfg80211_mutex);
-
wait_event(rdev->dev_wait, ({
int __count;
- mutex_lock(&rdev->devlist_mtx);
+ rtnl_lock();
__count = rdev->opencount;
- mutex_unlock(&rdev->devlist_mtx);
+ rtnl_unlock();
__count == 0; }));
- mutex_lock(&rdev->devlist_mtx);
+ rtnl_lock();
+ rdev->wiphy.registered = false;
+
+ rfkill_unregister(rdev->rfkill);
+
BUG_ON(!list_empty(&rdev->wdev_list));
- mutex_unlock(&rdev->devlist_mtx);
/*
* First remove the hardware from everywhere, this makes
@@ -704,20 +648,6 @@ void wiphy_unregister(struct wiphy *wiphy)
synchronize_rcu();
/*
- * Try to grab rdev->mtx. If a command is still in progress,
- * hopefully the driver will refuse it since it's tearing
- * down the device already. We wait for this command to complete
- * before unlinking the item from the list.
- * Note: as codified by the BUG_ON above we cannot get here if
- * a virtual interface is still present. Hence, we can only get
- * to lock contention here if userspace issues a command that
- * identified the hardware by wiphy index.
- */
- cfg80211_lock_rdev(rdev);
- /* nothing */
- cfg80211_unlock_rdev(rdev);
-
- /*
* If this device got a regulatory hint tell core its
* free to listen now to a new shiny device regulatory hint
*/
@@ -726,15 +656,17 @@ void wiphy_unregister(struct wiphy *wiphy)
cfg80211_rdev_list_generation++;
device_del(&rdev->wiphy.dev);
- mutex_unlock(&cfg80211_mutex);
+ rtnl_unlock();
flush_work(&rdev->scan_done_wk);
cancel_work_sync(&rdev->conn_work);
flush_work(&rdev->event_work);
cancel_delayed_work_sync(&rdev->dfs_update_channels_wk);
- if (rdev->wowlan && rdev->ops->set_wakeup)
+#ifdef CONFIG_PM
+ if (rdev->wiphy.wowlan_config && rdev->ops->set_wakeup)
rdev_set_wakeup(rdev, false);
+#endif
cfg80211_rdev_free_wowlan(rdev);
}
EXPORT_SYMBOL(wiphy_unregister);
@@ -744,9 +676,6 @@ void cfg80211_dev_free(struct cfg80211_registered_device *rdev)
struct cfg80211_internal_bss *scan, *tmp;
struct cfg80211_beacon_registration *reg, *treg;
rfkill_destroy(rdev->rfkill);
- mutex_destroy(&rdev->mtx);
- mutex_destroy(&rdev->devlist_mtx);
- mutex_destroy(&rdev->sched_scan_mtx);
list_for_each_entry_safe(reg, treg, &rdev->beacon_registrations, list) {
list_del(&reg->list);
kfree(reg);
@@ -771,36 +700,6 @@ void wiphy_rfkill_set_hw_state(struct wiphy *wiphy, bool blocked)
}
EXPORT_SYMBOL(wiphy_rfkill_set_hw_state);
-static void wdev_cleanup_work(struct work_struct *work)
-{
- struct wireless_dev *wdev;
- struct cfg80211_registered_device *rdev;
-
- wdev = container_of(work, struct wireless_dev, cleanup_work);
- rdev = wiphy_to_dev(wdev->wiphy);
-
- mutex_lock(&rdev->sched_scan_mtx);
-
- if (WARN_ON(rdev->scan_req && rdev->scan_req->wdev == wdev)) {
- rdev->scan_req->aborted = true;
- ___cfg80211_scan_done(rdev, true);
- }
-
- if (WARN_ON(rdev->sched_scan_req &&
- rdev->sched_scan_req->dev == wdev->netdev)) {
- __cfg80211_stop_sched_scan(rdev, false);
- }
-
- mutex_unlock(&rdev->sched_scan_mtx);
-
- mutex_lock(&rdev->devlist_mtx);
- rdev->opencount--;
- mutex_unlock(&rdev->devlist_mtx);
- wake_up(&rdev->dev_wait);
-
- dev_put(wdev->netdev);
-}
-
void cfg80211_unregister_wdev(struct wireless_dev *wdev)
{
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
@@ -810,8 +709,6 @@ void cfg80211_unregister_wdev(struct wireless_dev *wdev)
if (WARN_ON(wdev->netdev))
return;
- mutex_lock(&rdev->devlist_mtx);
- mutex_lock(&rdev->sched_scan_mtx);
list_del_rcu(&wdev->list);
rdev->devlist_generation++;
@@ -823,8 +720,6 @@ void cfg80211_unregister_wdev(struct wireless_dev *wdev)
WARN_ON_ONCE(1);
break;
}
- mutex_unlock(&rdev->sched_scan_mtx);
- mutex_unlock(&rdev->devlist_mtx);
}
EXPORT_SYMBOL(cfg80211_unregister_wdev);
@@ -843,7 +738,7 @@ void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev,
}
void cfg80211_leave(struct cfg80211_registered_device *rdev,
- struct wireless_dev *wdev)
+ struct wireless_dev *wdev)
{
struct net_device *dev = wdev->netdev;
@@ -853,9 +748,7 @@ void cfg80211_leave(struct cfg80211_registered_device *rdev,
break;
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_STATION:
- mutex_lock(&rdev->sched_scan_mtx);
__cfg80211_stop_sched_scan(rdev, false);
- mutex_unlock(&rdev->sched_scan_mtx);
wdev_lock(wdev);
#ifdef CONFIG_CFG80211_WEXT
@@ -864,9 +757,8 @@ void cfg80211_leave(struct cfg80211_registered_device *rdev,
wdev->wext.ie_len = 0;
wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
#endif
- __cfg80211_disconnect(rdev, dev,
- WLAN_REASON_DEAUTH_LEAVING, true);
- cfg80211_mlme_down(rdev, dev);
+ cfg80211_disconnect(rdev, dev,
+ WLAN_REASON_DEAUTH_LEAVING, true);
wdev_unlock(wdev);
break;
case NL80211_IFTYPE_MESH_POINT:
@@ -909,13 +801,11 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
* are added with nl80211.
*/
mutex_init(&wdev->mtx);
- INIT_WORK(&wdev->cleanup_work, wdev_cleanup_work);
INIT_LIST_HEAD(&wdev->event_list);
spin_lock_init(&wdev->event_lock);
INIT_LIST_HEAD(&wdev->mgmt_registrations);
spin_lock_init(&wdev->mgmt_registrations_lock);
- mutex_lock(&rdev->devlist_mtx);
wdev->identifier = ++rdev->wdev_id;
list_add_rcu(&wdev->list, &rdev->wdev_list);
rdev->devlist_generation++;
@@ -928,7 +818,6 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
}
wdev->netdev = dev;
wdev->sme_state = CFG80211_SME_IDLE;
- mutex_unlock(&rdev->devlist_mtx);
#ifdef CONFIG_CFG80211_WEXT
wdev->wext.default_key = -1;
wdev->wext.default_mgmt_key = -1;
@@ -954,26 +843,22 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
break;
case NETDEV_DOWN:
cfg80211_update_iface_num(rdev, wdev->iftype, -1);
- dev_hold(dev);
- queue_work(cfg80211_wq, &wdev->cleanup_work);
+ if (rdev->scan_req && rdev->scan_req->wdev == wdev) {
+ if (WARN_ON(!rdev->scan_req->notified))
+ rdev->scan_req->aborted = true;
+ ___cfg80211_scan_done(rdev, true);
+ }
+
+ if (WARN_ON(rdev->sched_scan_req &&
+ rdev->sched_scan_req->dev == wdev->netdev)) {
+ __cfg80211_stop_sched_scan(rdev, false);
+ }
+
+ rdev->opencount--;
+ wake_up(&rdev->dev_wait);
break;
case NETDEV_UP:
- /*
- * If we have a really quick DOWN/UP succession we may
- * have this work still pending ... cancel it and see
- * if it was pending, in which case we need to account
- * for some of the work it would have done.
- */
- if (cancel_work_sync(&wdev->cleanup_work)) {
- mutex_lock(&rdev->devlist_mtx);
- rdev->opencount--;
- mutex_unlock(&rdev->devlist_mtx);
- dev_put(dev);
- }
cfg80211_update_iface_num(rdev, wdev->iftype, 1);
- cfg80211_lock_rdev(rdev);
- mutex_lock(&rdev->devlist_mtx);
- mutex_lock(&rdev->sched_scan_mtx);
wdev_lock(wdev);
switch (wdev->iftype) {
#ifdef CONFIG_CFG80211_WEXT
@@ -1005,10 +890,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
break;
}
wdev_unlock(wdev);
- mutex_unlock(&rdev->sched_scan_mtx);
rdev->opencount++;
- mutex_unlock(&rdev->devlist_mtx);
- cfg80211_unlock_rdev(rdev);
/*
* Configure power management to the driver here so that its
@@ -1025,12 +907,6 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
break;
case NETDEV_UNREGISTER:
/*
- * NB: cannot take rdev->mtx here because this may be
- * called within code protected by it when interfaces
- * are removed with nl80211.
- */
- mutex_lock(&rdev->devlist_mtx);
- /*
* It is possible to get NETDEV_UNREGISTER
* multiple times. To detect that, check
* that the interface is still on the list
@@ -1046,7 +922,6 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
kfree(wdev->wext.keys);
#endif
}
- mutex_unlock(&rdev->devlist_mtx);
/*
* synchronise (so that we won't find this netdev
* from other code any more) and then clear the list
@@ -1066,9 +941,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
return notifier_from_errno(-EOPNOTSUPP);
if (rfkill_blocked(rdev->rfkill))
return notifier_from_errno(-ERFKILL);
- mutex_lock(&rdev->devlist_mtx);
ret = cfg80211_can_add_interface(rdev, wdev->iftype);
- mutex_unlock(&rdev->devlist_mtx);
if (ret)
return notifier_from_errno(ret);
break;
@@ -1086,12 +959,10 @@ static void __net_exit cfg80211_pernet_exit(struct net *net)
struct cfg80211_registered_device *rdev;
rtnl_lock();
- mutex_lock(&cfg80211_mutex);
list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
if (net_eq(wiphy_net(&rdev->wiphy), net))
WARN_ON(cfg80211_switch_netns(rdev, &init_net));
}
- mutex_unlock(&cfg80211_mutex);
rtnl_unlock();
}
diff --git a/net/wireless/core.h b/net/wireless/core.h
index fd35dae547c..a65eaf8a84c 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -5,7 +5,6 @@
*/
#ifndef __NET_WIRELESS_CORE_H
#define __NET_WIRELESS_CORE_H
-#include <linux/mutex.h>
#include <linux/list.h>
#include <linux/netdevice.h>
#include <linux/rbtree.h>
@@ -23,11 +22,6 @@
struct cfg80211_registered_device {
const struct cfg80211_ops *ops;
struct list_head list;
- /* we hold this mutex during any call so that
- * we cannot do multiple calls at once, and also
- * to avoid the deregister call to proceed while
- * any call is in progress */
- struct mutex mtx;
/* rfkill support */
struct rfkill_ops rfkill_ops;
@@ -49,9 +43,7 @@ struct cfg80211_registered_device {
/* wiphy index, internal only */
int wiphy_idx;
- /* associated wireless interfaces */
- struct mutex devlist_mtx;
- /* protected by devlist_mtx or RCU */
+ /* associated wireless interfaces, protected by rtnl or RCU */
struct list_head wdev_list;
int devlist_generation, wdev_id;
int opencount; /* also protected by devlist_mtx */
@@ -75,8 +67,6 @@ struct cfg80211_registered_device {
struct work_struct scan_done_wk;
struct work_struct sched_scan_results_wk;
- struct mutex sched_scan_mtx;
-
#ifdef CONFIG_NL80211_TESTMODE
struct genl_info *testmode_info;
#endif
@@ -84,8 +74,6 @@ struct cfg80211_registered_device {
struct work_struct conn_work;
struct work_struct event_work;
- struct cfg80211_wowlan *wowlan;
-
struct delayed_work dfs_update_channels_wk;
/* netlink port which started critical protocol (0 means not started) */
@@ -106,29 +94,26 @@ struct cfg80211_registered_device *wiphy_to_dev(struct wiphy *wiphy)
static inline void
cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev)
{
+#ifdef CONFIG_PM
int i;
- if (!rdev->wowlan)
+ if (!rdev->wiphy.wowlan_config)
return;
- for (i = 0; i < rdev->wowlan->n_patterns; i++)
- kfree(rdev->wowlan->patterns[i].mask);
- kfree(rdev->wowlan->patterns);
- if (rdev->wowlan->tcp && rdev->wowlan->tcp->sock)
- sock_release(rdev->wowlan->tcp->sock);
- kfree(rdev->wowlan->tcp);
- kfree(rdev->wowlan);
+ for (i = 0; i < rdev->wiphy.wowlan_config->n_patterns; i++)
+ kfree(rdev->wiphy.wowlan_config->patterns[i].mask);
+ kfree(rdev->wiphy.wowlan_config->patterns);
+ if (rdev->wiphy.wowlan_config->tcp &&
+ rdev->wiphy.wowlan_config->tcp->sock)
+ sock_release(rdev->wiphy.wowlan_config->tcp->sock);
+ kfree(rdev->wiphy.wowlan_config->tcp);
+ kfree(rdev->wiphy.wowlan_config);
+#endif
}
extern struct workqueue_struct *cfg80211_wq;
-extern struct mutex cfg80211_mutex;
extern struct list_head cfg80211_rdev_list;
extern int cfg80211_rdev_list_generation;
-static inline void assert_cfg80211_lock(void)
-{
- lockdep_assert_held(&cfg80211_mutex);
-}
-
struct cfg80211_internal_bss {
struct list_head list;
struct list_head hidden_list;
@@ -161,27 +146,11 @@ static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss)
struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx);
int get_wiphy_idx(struct wiphy *wiphy);
-/* requires cfg80211_rdev_mutex to be held! */
struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx);
-/* identical to cfg80211_get_dev_from_info but only operate on ifindex */
-extern struct cfg80211_registered_device *
-cfg80211_get_dev_from_ifindex(struct net *net, int ifindex);
-
int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
struct net *net);
-static inline void cfg80211_lock_rdev(struct cfg80211_registered_device *rdev)
-{
- mutex_lock(&rdev->mtx);
-}
-
-static inline void cfg80211_unlock_rdev(struct cfg80211_registered_device *rdev)
-{
- BUG_ON(IS_ERR(rdev) || !rdev);
- mutex_unlock(&rdev->mtx);
-}
-
static inline void wdev_lock(struct wireless_dev *wdev)
__acquires(wdev)
{
@@ -196,7 +165,7 @@ static inline void wdev_unlock(struct wireless_dev *wdev)
mutex_unlock(&wdev->mtx);
}
-#define ASSERT_RDEV_LOCK(rdev) lockdep_assert_held(&(rdev)->mtx)
+#define ASSERT_RDEV_LOCK(rdev) ASSERT_RTNL()
#define ASSERT_WDEV_LOCK(wdev) lockdep_assert_held(&(wdev)->mtx)
static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev)
@@ -314,38 +283,21 @@ int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
struct net_device *dev);
/* MLME */
-int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct ieee80211_channel *chan,
- enum nl80211_auth_type auth_type,
- const u8 *bssid,
- const u8 *ssid, int ssid_len,
- const u8 *ie, int ie_len,
- const u8 *key, int key_len, int key_idx,
- const u8 *sae_data, int sae_data_len);
int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
- struct net_device *dev, struct ieee80211_channel *chan,
- enum nl80211_auth_type auth_type, const u8 *bssid,
+ struct net_device *dev,
+ struct ieee80211_channel *chan,
+ enum nl80211_auth_type auth_type,
+ const u8 *bssid,
const u8 *ssid, int ssid_len,
const u8 *ie, int ie_len,
const u8 *key, int key_len, int key_idx,
const u8 *sae_data, int sae_data_len);
-int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct ieee80211_channel *chan,
- const u8 *bssid,
- const u8 *ssid, int ssid_len,
- struct cfg80211_assoc_request *req);
int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
struct net_device *dev,
struct ieee80211_channel *chan,
const u8 *bssid,
const u8 *ssid, int ssid_len,
struct cfg80211_assoc_request *req);
-int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
- struct net_device *dev, const u8 *bssid,
- const u8 *ie, int ie_len, u16 reason,
- bool local_state_change);
int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
struct net_device *dev, const u8 *bssid,
const u8 *ie, int ie_len, u16 reason,
@@ -377,18 +329,11 @@ void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa,
const struct ieee80211_vht_cap *vht_capa_mask);
/* SME */
-int __cfg80211_connect(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct cfg80211_connect_params *connect,
- struct cfg80211_cached_keys *connkeys,
- const u8 *prev_bssid);
int cfg80211_connect(struct cfg80211_registered_device *rdev,
struct net_device *dev,
struct cfg80211_connect_params *connect,
- struct cfg80211_cached_keys *connkeys);
-int __cfg80211_disconnect(struct cfg80211_registered_device *rdev,
- struct net_device *dev, u16 reason,
- bool wextev);
+ struct cfg80211_cached_keys *connkeys,
+ const u8 *prev_bssid);
int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
struct net_device *dev, u16 reason,
bool wextev);
diff --git a/net/wireless/debugfs.c b/net/wireless/debugfs.c
index 920cabe0461..90d05003662 100644
--- a/net/wireless/debugfs.c
+++ b/net/wireless/debugfs.c
@@ -74,7 +74,7 @@ static ssize_t ht40allow_map_read(struct file *file,
if (!buf)
return -ENOMEM;
- mutex_lock(&cfg80211_mutex);
+ rtnl_lock();
for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
sband = wiphy->bands[band];
@@ -85,7 +85,7 @@ static ssize_t ht40allow_map_read(struct file *file,
buf, buf_size, offset);
}
- mutex_unlock(&cfg80211_mutex);
+ rtnl_unlock();
r = simple_read_from_buffer(user_buf, count, ppos, buf, offset);
diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c
index d80e47194d4..5449c5a6de8 100644
--- a/net/wireless/ibss.c
+++ b/net/wireless/ibss.c
@@ -152,11 +152,11 @@ int cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
- mutex_lock(&rdev->devlist_mtx);
+ ASSERT_RTNL();
+
wdev_lock(wdev);
err = __cfg80211_join_ibss(rdev, dev, params, connkeys);
wdev_unlock(wdev);
- mutex_unlock(&rdev->devlist_mtx);
return err;
}
@@ -359,11 +359,9 @@ int cfg80211_ibss_wext_siwfreq(struct net_device *dev,
wdev->wext.ibss.channel_fixed = false;
}
- mutex_lock(&rdev->devlist_mtx);
wdev_lock(wdev);
err = cfg80211_ibss_wext_join(rdev, wdev);
wdev_unlock(wdev);
- mutex_unlock(&rdev->devlist_mtx);
return err;
}
@@ -429,11 +427,9 @@ int cfg80211_ibss_wext_siwessid(struct net_device *dev,
memcpy(wdev->wext.ibss.ssid, ssid, len);
wdev->wext.ibss.ssid_len = len;
- mutex_lock(&rdev->devlist_mtx);
wdev_lock(wdev);
err = cfg80211_ibss_wext_join(rdev, wdev);
wdev_unlock(wdev);
- mutex_unlock(&rdev->devlist_mtx);
return err;
}
@@ -512,11 +508,9 @@ int cfg80211_ibss_wext_siwap(struct net_device *dev,
} else
wdev->wext.ibss.bssid = NULL;
- mutex_lock(&rdev->devlist_mtx);
wdev_lock(wdev);
err = cfg80211_ibss_wext_join(rdev, wdev);
wdev_unlock(wdev);
- mutex_unlock(&rdev->devlist_mtx);
return err;
}
diff --git a/net/wireless/mesh.c b/net/wireless/mesh.c
index 0bb93f3061a..5dfb289ab76 100644
--- a/net/wireless/mesh.c
+++ b/net/wireless/mesh.c
@@ -82,6 +82,7 @@ const struct mesh_setup default_mesh_setup = {
.sync_method = IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET,
.path_sel_proto = IEEE80211_PATH_PROTOCOL_HWMP,
.path_metric = IEEE80211_PATH_METRIC_AIRTIME,
+ .auth_id = 0, /* open */
.ie = NULL,
.ie_len = 0,
.is_secure = false,
@@ -185,11 +186,9 @@ int cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
- mutex_lock(&rdev->devlist_mtx);
wdev_lock(wdev);
err = __cfg80211_join_mesh(rdev, dev, setup, conf);
wdev_unlock(wdev);
- mutex_unlock(&rdev->devlist_mtx);
return err;
}
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 0c7b7dd855f..7bde5d9c000 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -25,12 +25,9 @@ void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len)
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
trace_cfg80211_send_rx_auth(dev);
- wdev_lock(wdev);
nl80211_send_rx_auth(rdev, dev, buf, len, GFP_KERNEL);
cfg80211_sme_rx_auth(dev, buf, len);
-
- wdev_unlock(wdev);
}
EXPORT_SYMBOL(cfg80211_send_rx_auth);
@@ -46,7 +43,6 @@ void cfg80211_send_rx_assoc(struct net_device *dev, struct cfg80211_bss *bss,
int ieoffs = offsetof(struct ieee80211_mgmt, u.assoc_resp.variable);
trace_cfg80211_send_rx_assoc(dev, bss);
- wdev_lock(wdev);
status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code);
@@ -59,7 +55,7 @@ void cfg80211_send_rx_assoc(struct net_device *dev, struct cfg80211_bss *bss,
if (status_code != WLAN_STATUS_SUCCESS && wdev->conn &&
cfg80211_sme_failed_reassoc(wdev)) {
cfg80211_put_bss(wiphy, bss);
- goto out;
+ return;
}
nl80211_send_rx_assoc(rdev, dev, buf, len, GFP_KERNEL);
@@ -71,7 +67,7 @@ void cfg80211_send_rx_assoc(struct net_device *dev, struct cfg80211_bss *bss,
* sme will schedule work that does it later.
*/
cfg80211_put_bss(wiphy, bss);
- goto out;
+ return;
}
if (!wdev->conn && wdev->sme_state == CFG80211_SME_IDLE) {
@@ -87,13 +83,11 @@ void cfg80211_send_rx_assoc(struct net_device *dev, struct cfg80211_bss *bss,
__cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, ie, len - ieoffs,
status_code,
status_code == WLAN_STATUS_SUCCESS, bss);
- out:
- wdev_unlock(wdev);
}
EXPORT_SYMBOL(cfg80211_send_rx_assoc);
-void __cfg80211_send_deauth(struct net_device *dev,
- const u8 *buf, size_t len)
+void cfg80211_send_deauth(struct net_device *dev,
+ const u8 *buf, size_t len)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct wiphy *wiphy = wdev->wiphy;
@@ -102,7 +96,7 @@ void __cfg80211_send_deauth(struct net_device *dev,
const u8 *bssid = mgmt->bssid;
bool was_current = false;
- trace___cfg80211_send_deauth(dev);
+ trace_cfg80211_send_deauth(dev);
ASSERT_WDEV_LOCK(wdev);
if (wdev->current_bss &&
@@ -129,20 +123,10 @@ void __cfg80211_send_deauth(struct net_device *dev,
false, NULL);
}
}
-EXPORT_SYMBOL(__cfg80211_send_deauth);
-
-void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len)
-{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
-
- wdev_lock(wdev);
- __cfg80211_send_deauth(dev, buf, len);
- wdev_unlock(wdev);
-}
EXPORT_SYMBOL(cfg80211_send_deauth);
-void __cfg80211_send_disassoc(struct net_device *dev,
- const u8 *buf, size_t len)
+void cfg80211_send_disassoc(struct net_device *dev,
+ const u8 *buf, size_t len)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct wiphy *wiphy = wdev->wiphy;
@@ -152,7 +136,7 @@ void __cfg80211_send_disassoc(struct net_device *dev,
u16 reason_code;
bool from_ap;
- trace___cfg80211_send_disassoc(dev);
+ trace_cfg80211_send_disassoc(dev);
ASSERT_WDEV_LOCK(wdev);
nl80211_send_disassoc(rdev, dev, buf, len, GFP_KERNEL);
@@ -175,16 +159,6 @@ void __cfg80211_send_disassoc(struct net_device *dev,
from_ap = !ether_addr_equal(mgmt->sa, dev->dev_addr);
__cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap);
}
-EXPORT_SYMBOL(__cfg80211_send_disassoc);
-
-void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len)
-{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
-
- wdev_lock(wdev);
- __cfg80211_send_disassoc(dev, buf, len);
- wdev_unlock(wdev);
-}
EXPORT_SYMBOL(cfg80211_send_disassoc);
void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr)
@@ -194,15 +168,12 @@ void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr)
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
trace_cfg80211_send_auth_timeout(dev, addr);
- wdev_lock(wdev);
nl80211_send_auth_timeout(rdev, dev, addr, GFP_KERNEL);
if (wdev->sme_state == CFG80211_SME_CONNECTING)
__cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0,
WLAN_STATUS_UNSPECIFIED_FAILURE,
false, NULL);
-
- wdev_unlock(wdev);
}
EXPORT_SYMBOL(cfg80211_send_auth_timeout);
@@ -213,15 +184,12 @@ void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr)
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
trace_cfg80211_send_assoc_timeout(dev, addr);
- wdev_lock(wdev);
nl80211_send_assoc_timeout(rdev, dev, addr, GFP_KERNEL);
if (wdev->sme_state == CFG80211_SME_CONNECTING)
__cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0,
WLAN_STATUS_UNSPECIFIED_FAILURE,
false, NULL);
-
- wdev_unlock(wdev);
}
EXPORT_SYMBOL(cfg80211_send_assoc_timeout);
@@ -253,18 +221,27 @@ void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr,
EXPORT_SYMBOL(cfg80211_michael_mic_failure);
/* some MLME handling for userspace SME */
-int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct ieee80211_channel *chan,
- enum nl80211_auth_type auth_type,
- const u8 *bssid,
- const u8 *ssid, int ssid_len,
- const u8 *ie, int ie_len,
- const u8 *key, int key_len, int key_idx,
- const u8 *sae_data, int sae_data_len)
+int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ struct ieee80211_channel *chan,
+ enum nl80211_auth_type auth_type,
+ const u8 *bssid,
+ const u8 *ssid, int ssid_len,
+ const u8 *ie, int ie_len,
+ const u8 *key, int key_len, int key_idx,
+ const u8 *sae_data, int sae_data_len)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
- struct cfg80211_auth_request req;
+ struct cfg80211_auth_request req = {
+ .ie = ie,
+ .ie_len = ie_len,
+ .sae_data = sae_data,
+ .sae_data_len = sae_data_len,
+ .auth_type = auth_type,
+ .key = key,
+ .key_len = key_len,
+ .key_idx = key_idx,
+ };
int err;
ASSERT_WDEV_LOCK(wdev);
@@ -277,18 +254,8 @@ int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
ether_addr_equal(bssid, wdev->current_bss->pub.bssid))
return -EALREADY;
- memset(&req, 0, sizeof(req));
-
- req.ie = ie;
- req.ie_len = ie_len;
- req.sae_data = sae_data;
- req.sae_data_len = sae_data_len;
- req.auth_type = auth_type;
req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len,
WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
- req.key = key;
- req.key_len = key_len;
- req.key_idx = key_idx;
if (!req.bss)
return -ENOENT;
@@ -304,28 +271,6 @@ out:
return err;
}
-int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
- struct net_device *dev, struct ieee80211_channel *chan,
- enum nl80211_auth_type auth_type, const u8 *bssid,
- const u8 *ssid, int ssid_len,
- const u8 *ie, int ie_len,
- const u8 *key, int key_len, int key_idx,
- const u8 *sae_data, int sae_data_len)
-{
- int err;
-
- mutex_lock(&rdev->devlist_mtx);
- wdev_lock(dev->ieee80211_ptr);
- err = __cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
- ssid, ssid_len, ie, ie_len,
- key, key_len, key_idx,
- sae_data, sae_data_len);
- wdev_unlock(dev->ieee80211_ptr);
- mutex_unlock(&rdev->devlist_mtx);
-
- return err;
-}
-
/* Do a logical ht_capa &= ht_capa_mask. */
void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa,
const struct ieee80211_ht_cap *ht_capa_mask)
@@ -360,12 +305,12 @@ void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa,
p1[i] &= p2[i];
}
-int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct ieee80211_channel *chan,
- const u8 *bssid,
- const u8 *ssid, int ssid_len,
- struct cfg80211_assoc_request *req)
+int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ struct ieee80211_channel *chan,
+ const u8 *bssid,
+ const u8 *ssid, int ssid_len,
+ struct cfg80211_assoc_request *req)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
@@ -415,30 +360,10 @@ out:
return err;
}
-int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct ieee80211_channel *chan,
- const u8 *bssid,
- const u8 *ssid, int ssid_len,
- struct cfg80211_assoc_request *req)
-{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
- int err;
-
- mutex_lock(&rdev->devlist_mtx);
- wdev_lock(wdev);
- err = __cfg80211_mlme_assoc(rdev, dev, chan, bssid,
- ssid, ssid_len, req);
- wdev_unlock(wdev);
- mutex_unlock(&rdev->devlist_mtx);
-
- return err;
-}
-
-int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
- struct net_device *dev, const u8 *bssid,
- const u8 *ie, int ie_len, u16 reason,
- bool local_state_change)
+int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, const u8 *bssid,
+ const u8 *ie, int ie_len, u16 reason,
+ bool local_state_change)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_deauth_request req = {
@@ -458,29 +383,18 @@ int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
return rdev_deauth(rdev, dev, &req);
}
-int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
- struct net_device *dev, const u8 *bssid,
- const u8 *ie, int ie_len, u16 reason,
- bool local_state_change)
-{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
- int err;
-
- wdev_lock(wdev);
- err = __cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason,
- local_state_change);
- wdev_unlock(wdev);
-
- return err;
-}
-
-static int __cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
- struct net_device *dev, const u8 *bssid,
- const u8 *ie, int ie_len, u16 reason,
- bool local_state_change)
+int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, const u8 *bssid,
+ const u8 *ie, int ie_len, u16 reason,
+ bool local_state_change)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
- struct cfg80211_disassoc_request req;
+ struct cfg80211_disassoc_request req = {
+ .reason_code = reason,
+ .local_state_change = local_state_change,
+ .ie = ie,
+ .ie_len = ie_len,
+ };
ASSERT_WDEV_LOCK(wdev);
@@ -490,11 +404,6 @@ static int __cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
if (WARN(!wdev->current_bss, "sme_state=%d\n", wdev->sme_state))
return -ENOTCONN;
- memset(&req, 0, sizeof(req));
- req.reason_code = reason;
- req.local_state_change = local_state_change;
- req.ie = ie;
- req.ie_len = ie_len;
if (ether_addr_equal(wdev->current_bss->pub.bssid, bssid))
req.bss = &wdev->current_bss->pub;
else
@@ -503,44 +412,25 @@ static int __cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
return rdev_disassoc(rdev, dev, &req);
}
-int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
- struct net_device *dev, const u8 *bssid,
- const u8 *ie, int ie_len, u16 reason,
- bool local_state_change)
-{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
- int err;
-
- wdev_lock(wdev);
- err = __cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason,
- local_state_change);
- wdev_unlock(wdev);
-
- return err;
-}
-
void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
struct net_device *dev)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
- struct cfg80211_deauth_request req;
u8 bssid[ETH_ALEN];
+ struct cfg80211_deauth_request req = {
+ .reason_code = WLAN_REASON_DEAUTH_LEAVING,
+ .bssid = bssid,
+ };
ASSERT_WDEV_LOCK(wdev);
if (!rdev->ops->deauth)
return;
- memset(&req, 0, sizeof(req));
- req.reason_code = WLAN_REASON_DEAUTH_LEAVING;
- req.ie = NULL;
- req.ie_len = 0;
-
if (!wdev->current_bss)
return;
memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN);
- req.bssid = bssid;
rdev_deauth(rdev, dev, &req);
if (wdev->current_bss) {
@@ -848,7 +738,7 @@ void cfg80211_dfs_channels_update_work(struct work_struct *work)
dfs_update_channels_wk);
wiphy = &rdev->wiphy;
- mutex_lock(&cfg80211_mutex);
+ rtnl_lock();
for (bandid = 0; bandid < IEEE80211_NUM_BANDS; bandid++) {
sband = wiphy->bands[bandid];
if (!sband)
@@ -881,7 +771,7 @@ void cfg80211_dfs_channels_update_work(struct work_struct *work)
check_again = true;
}
}
- mutex_unlock(&cfg80211_mutex);
+ rtnl_unlock();
/* reschedule if there are other channels waiting to be cleared again */
if (check_again)
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index afa283841e8..fb6abcb359a 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -37,10 +37,10 @@ static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb,
/* the netlink family */
static struct genl_family nl80211_fam = {
- .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */
- .name = "nl80211", /* have users key off the name instead */
- .hdrsize = 0, /* no private header */
- .version = 1, /* no particular meaning now */
+ .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */
+ .name = NL80211_GENL_NAME, /* have users key off the name instead */
+ .hdrsize = 0, /* no private header */
+ .version = 1, /* no particular meaning now */
.maxattr = NL80211_ATTR_MAX,
.netnsok = true,
.pre_doit = nl80211_pre_doit,
@@ -59,7 +59,7 @@ __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
int wiphy_idx = -1;
int ifidx = -1;
- assert_cfg80211_lock();
+ ASSERT_RTNL();
if (!have_ifidx && !have_wdev_id)
return ERR_PTR(-EINVAL);
@@ -80,7 +80,6 @@ __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
if (have_wdev_id && rdev->wiphy_idx != wiphy_idx)
continue;
- mutex_lock(&rdev->devlist_mtx);
list_for_each_entry(wdev, &rdev->wdev_list, list) {
if (have_ifidx && wdev->netdev &&
wdev->netdev->ifindex == ifidx) {
@@ -92,7 +91,6 @@ __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
break;
}
}
- mutex_unlock(&rdev->devlist_mtx);
if (result)
break;
@@ -109,7 +107,7 @@ __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
struct cfg80211_registered_device *rdev = NULL, *tmp;
struct net_device *netdev;
- assert_cfg80211_lock();
+ ASSERT_RTNL();
if (!attrs[NL80211_ATTR_WIPHY] &&
!attrs[NL80211_ATTR_IFINDEX] &&
@@ -128,14 +126,12 @@ __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32);
if (tmp) {
/* make sure wdev exists */
- mutex_lock(&tmp->devlist_mtx);
list_for_each_entry(wdev, &tmp->wdev_list, list) {
if (wdev->identifier != (u32)wdev_id)
continue;
found = true;
break;
}
- mutex_unlock(&tmp->devlist_mtx);
if (!found)
tmp = NULL;
@@ -182,19 +178,6 @@ __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
/*
* This function returns a pointer to the driver
* that the genl_info item that is passed refers to.
- * If successful, it returns non-NULL and also locks
- * the driver's mutex!
- *
- * This means that you need to call cfg80211_unlock_rdev()
- * before being allowed to acquire &cfg80211_mutex!
- *
- * This is necessary because we need to lock the global
- * mutex to get an item off the list safely, and then
- * we lock the rdev mutex so it doesn't go away under us.
- *
- * We don't want to keep cfg80211_mutex locked
- * for all the time in order to allow requests on
- * other interfaces to go through at the same time.
*
* The result of this can be a PTR_ERR and hence must
* be checked with IS_ERR() for errors.
@@ -202,20 +185,7 @@ __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
static struct cfg80211_registered_device *
cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
-
- mutex_lock(&cfg80211_mutex);
- rdev = __cfg80211_rdev_from_attrs(netns, info->attrs);
-
- /* if it is not an error we grab the lock on
- * it to assure it won't be going away while
- * we operate on it */
- if (!IS_ERR(rdev))
- mutex_lock(&rdev->mtx);
-
- mutex_unlock(&cfg80211_mutex);
-
- return rdev;
+ return __cfg80211_rdev_from_attrs(netns, info->attrs);
}
/* policy for the attributes */
@@ -378,6 +348,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_MDID] = { .type = NLA_U16 },
[NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
.len = IEEE80211_MAX_DATA_LEN },
+ [NL80211_ATTR_PEER_AID] = { .type = NLA_U16 },
};
/* policy for the key attributes */
@@ -455,7 +426,6 @@ static int nl80211_prepare_wdev_dump(struct sk_buff *skb,
int err;
rtnl_lock();
- mutex_lock(&cfg80211_mutex);
if (!cb->args[0]) {
err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
@@ -484,14 +454,12 @@ static int nl80211_prepare_wdev_dump(struct sk_buff *skb,
*rdev = wiphy_to_dev(wiphy);
*wdev = NULL;
- mutex_lock(&(*rdev)->devlist_mtx);
list_for_each_entry(tmp, &(*rdev)->wdev_list, list) {
if (tmp->identifier == cb->args[1]) {
*wdev = tmp;
break;
}
}
- mutex_unlock(&(*rdev)->devlist_mtx);
if (!*wdev) {
err = -ENODEV;
@@ -499,19 +467,14 @@ static int nl80211_prepare_wdev_dump(struct sk_buff *skb,
}
}
- cfg80211_lock_rdev(*rdev);
-
- mutex_unlock(&cfg80211_mutex);
return 0;
out_unlock:
- mutex_unlock(&cfg80211_mutex);
rtnl_unlock();
return err;
}
static void nl80211_finish_wdev_dump(struct cfg80211_registered_device *rdev)
{
- cfg80211_unlock_rdev(rdev);
rtnl_unlock();
}
@@ -1567,7 +1530,7 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
struct nlattr **tb = nl80211_fam.attrbuf;
int res;
- mutex_lock(&cfg80211_mutex);
+ rtnl_lock();
res = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
tb, nl80211_fam.maxattr, nl80211_policy);
if (res == 0) {
@@ -1581,10 +1544,8 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
netdev = dev_get_by_index(sock_net(skb->sk), ifidx);
- if (!netdev) {
- mutex_unlock(&cfg80211_mutex);
+ if (!netdev)
return -ENODEV;
- }
if (netdev->ieee80211_ptr) {
dev = wiphy_to_dev(
netdev->ieee80211_ptr->wiphy);
@@ -1628,7 +1589,6 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
!skb->len &&
cb->min_dump_alloc < 4096) {
cb->min_dump_alloc = 4096;
- mutex_unlock(&cfg80211_mutex);
return 1;
}
idx--;
@@ -1637,7 +1597,7 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
} while (cb->args[1] > 0);
break;
}
- mutex_unlock(&cfg80211_mutex);
+ rtnl_unlock();
cb->args[0] = idx;
@@ -1792,7 +1752,6 @@ static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
if (result)
return result;
- mutex_lock(&rdev->devlist_mtx);
switch (iftype) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
@@ -1816,7 +1775,6 @@ static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
default:
result = -EINVAL;
}
- mutex_unlock(&rdev->devlist_mtx);
return result;
}
@@ -1865,6 +1823,8 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
u32 frag_threshold = 0, rts_threshold = 0;
u8 coverage_class = 0;
+ ASSERT_RTNL();
+
/*
* Try to find the wiphy and netdev. Normally this
* function shouldn't need the netdev, but this is
@@ -1874,31 +1834,25 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
* also passed a netdev to set_wiphy, so that it is
* possible to let that go to the right netdev!
*/
- mutex_lock(&cfg80211_mutex);
if (info->attrs[NL80211_ATTR_IFINDEX]) {
int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
netdev = dev_get_by_index(genl_info_net(info), ifindex);
- if (netdev && netdev->ieee80211_ptr) {
+ if (netdev && netdev->ieee80211_ptr)
rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy);
- mutex_lock(&rdev->mtx);
- } else
+ else
netdev = NULL;
}
if (!netdev) {
rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
info->attrs);
- if (IS_ERR(rdev)) {
- mutex_unlock(&cfg80211_mutex);
+ if (IS_ERR(rdev))
return PTR_ERR(rdev);
- }
wdev = NULL;
netdev = NULL;
result = 0;
-
- mutex_lock(&rdev->mtx);
} else
wdev = netdev->ieee80211_ptr;
@@ -1911,8 +1865,6 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
result = cfg80211_dev_rename(
rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
- mutex_unlock(&cfg80211_mutex);
-
if (result)
goto bad_res;
@@ -2119,7 +2071,6 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
}
bad_res:
- mutex_unlock(&rdev->mtx);
if (netdev)
dev_put(netdev);
return result;
@@ -2217,7 +2168,7 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *
struct cfg80211_registered_device *rdev;
struct wireless_dev *wdev;
- mutex_lock(&cfg80211_mutex);
+ rtnl_lock();
list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
continue;
@@ -2227,7 +2178,6 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *
}
if_idx = 0;
- mutex_lock(&rdev->devlist_mtx);
list_for_each_entry(wdev, &rdev->wdev_list, list) {
if (if_idx < if_start) {
if_idx++;
@@ -2236,17 +2186,15 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *
if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq, NLM_F_MULTI,
rdev, wdev) < 0) {
- mutex_unlock(&rdev->devlist_mtx);
goto out;
}
if_idx++;
}
- mutex_unlock(&rdev->devlist_mtx);
wp_idx++;
}
out:
- mutex_unlock(&cfg80211_mutex);
+ rtnl_unlock();
cb->args[0] = wp_idx;
cb->args[1] = if_idx;
@@ -2479,11 +2427,9 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
INIT_LIST_HEAD(&wdev->mgmt_registrations);
spin_lock_init(&wdev->mgmt_registrations_lock);
- mutex_lock(&rdev->devlist_mtx);
wdev->identifier = ++rdev->wdev_id;
list_add_rcu(&wdev->list, &rdev->wdev_list);
rdev->devlist_generation++;
- mutex_unlock(&rdev->devlist_mtx);
break;
default:
break;
@@ -2992,8 +2938,6 @@ static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev;
bool ret = false;
- mutex_lock(&rdev->devlist_mtx);
-
list_for_each_entry(wdev, &rdev->wdev_list, list) {
if (wdev->iftype != NL80211_IFTYPE_AP &&
wdev->iftype != NL80211_IFTYPE_P2P_GO)
@@ -3007,8 +2951,6 @@ static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
break;
}
- mutex_unlock(&rdev->devlist_mtx);
-
return ret;
}
@@ -3170,13 +3112,10 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
params.radar_required = true;
}
- mutex_lock(&rdev->devlist_mtx);
err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype,
params.chandef.chan,
CHAN_MODE_SHARED,
radar_detect_width);
- mutex_unlock(&rdev->devlist_mtx);
-
if (err)
return err;
@@ -3376,6 +3315,32 @@ static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info,
return true;
}
+static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
+ int id)
+{
+ void *attr;
+ int i = 0;
+
+ if (!mask)
+ return true;
+
+ attr = nla_nest_start(msg, id);
+ if (!attr)
+ return false;
+
+ for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
+ if (!(mask & BIT(i)))
+ continue;
+
+ if (nla_put_u8(msg, i, signal[i]))
+ return false;
+ }
+
+ nla_nest_end(msg, attr);
+
+ return true;
+}
+
static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq,
int flags,
struct cfg80211_registered_device *rdev,
@@ -3411,7 +3376,7 @@ static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq,
(u32)sinfo->rx_bytes))
goto nla_put_failure;
if ((sinfo->filled & (STATION_INFO_TX_BYTES |
- NL80211_STA_INFO_TX_BYTES64)) &&
+ STATION_INFO_TX_BYTES64)) &&
nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
(u32)sinfo->tx_bytes))
goto nla_put_failure;
@@ -3447,6 +3412,18 @@ static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq,
default:
break;
}
+ if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL) {
+ if (!nl80211_put_signal(msg, sinfo->chains,
+ sinfo->chain_signal,
+ NL80211_STA_INFO_CHAIN_SIGNAL))
+ goto nla_put_failure;
+ }
+ if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL_AVG) {
+ if (!nl80211_put_signal(msg, sinfo->chains,
+ sinfo->chain_signal_avg,
+ NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
+ goto nla_put_failure;
+ }
if (sinfo->filled & STATION_INFO_TX_BITRATE) {
if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
NL80211_STA_INFO_TX_BITRATE))
@@ -3834,6 +3811,8 @@ static int nl80211_set_station_tdls(struct genl_info *info,
struct station_parameters *params)
{
/* Dummy STA entry gets updated once the peer capabilities are known */
+ if (info->attrs[NL80211_ATTR_PEER_AID])
+ params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
params->ht_capa =
nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
@@ -3974,7 +3953,8 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
return -EINVAL;
- if (!info->attrs[NL80211_ATTR_STA_AID])
+ if (!info->attrs[NL80211_ATTR_STA_AID] &&
+ !info->attrs[NL80211_ATTR_PEER_AID])
return -EINVAL;
mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
@@ -3985,7 +3965,10 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
params.listen_interval =
nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
- params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
+ if (info->attrs[NL80211_ATTR_STA_AID])
+ params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
+ else
+ params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
if (!params.aid || params.aid > IEEE80211_MAX_AID)
return -EINVAL;
@@ -4634,6 +4617,7 @@ static const struct nla_policy
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
[NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
+ [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
[NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
[NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY,
.len = IEEE80211_MAX_DATA_LEN },
@@ -4819,6 +4803,13 @@ static int nl80211_parse_mesh_setup(struct genl_info *info,
if (setup->is_secure)
setup->user_mpm = true;
+ if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
+ if (!setup->user_mpm)
+ return -EINVAL;
+ setup->auth_id =
+ nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
+ }
+
return 0;
}
@@ -4861,18 +4852,13 @@ static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info)
void *hdr = NULL;
struct nlattr *nl_reg_rules;
unsigned int i;
- int err = -EINVAL;
-
- mutex_lock(&cfg80211_mutex);
if (!cfg80211_regdomain)
- goto out;
+ return -EINVAL;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
- if (!msg) {
- err = -ENOBUFS;
- goto out;
- }
+ if (!msg)
+ return -ENOBUFS;
hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
NL80211_CMD_GET_REG);
@@ -4931,8 +4917,7 @@ static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info)
nla_nest_end(msg, nl_reg_rules);
genlmsg_end(msg, hdr);
- err = genlmsg_reply(msg, info);
- goto out;
+ return genlmsg_reply(msg, info);
nla_put_failure_rcu:
rcu_read_unlock();
@@ -4940,10 +4925,7 @@ nla_put_failure:
genlmsg_cancel(msg, hdr);
put_failure:
nlmsg_free(msg);
- err = -EMSGSIZE;
-out:
- mutex_unlock(&cfg80211_mutex);
- return err;
+ return -EMSGSIZE;
}
static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
@@ -5009,12 +4991,9 @@ static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
}
}
- mutex_lock(&cfg80211_mutex);
-
r = set_regdom(rd);
/* set_regdom took ownership */
rd = NULL;
- mutex_unlock(&cfg80211_mutex);
bad_reg:
kfree(rd);
@@ -5064,7 +5043,6 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
if (!rdev->ops->scan)
return -EOPNOTSUPP;
- mutex_lock(&rdev->sched_scan_mtx);
if (rdev->scan_req) {
err = -EBUSY;
goto unlock;
@@ -5250,7 +5228,6 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
}
unlock:
- mutex_unlock(&rdev->sched_scan_mtx);
return err;
}
@@ -5322,8 +5299,6 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
if (ie_len > wiphy->max_sched_scan_ie_len)
return -EINVAL;
- mutex_lock(&rdev->sched_scan_mtx);
-
if (rdev->sched_scan_req) {
err = -EINPROGRESS;
goto out;
@@ -5491,7 +5466,6 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
out_free:
kfree(request);
out:
- mutex_unlock(&rdev->sched_scan_mtx);
return err;
}
@@ -5499,17 +5473,12 @@ static int nl80211_stop_sched_scan(struct sk_buff *skb,
struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
- int err;
if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
!rdev->ops->sched_scan_stop)
return -EOPNOTSUPP;
- mutex_lock(&rdev->sched_scan_mtx);
- err = __cfg80211_stop_sched_scan(rdev, false);
- mutex_unlock(&rdev->sched_scan_mtx);
-
- return err;
+ return __cfg80211_stop_sched_scan(rdev, false);
}
static int nl80211_start_radar_detection(struct sk_buff *skb,
@@ -5541,12 +5510,11 @@ static int nl80211_start_radar_detection(struct sk_buff *skb,
if (!rdev->ops->start_radar_detection)
return -EOPNOTSUPP;
- mutex_lock(&rdev->devlist_mtx);
err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype,
chandef.chan, CHAN_MODE_SHARED,
BIT(chandef.width));
if (err)
- goto err_locked;
+ return err;
err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef);
if (!err) {
@@ -5554,9 +5522,6 @@ static int nl80211_start_radar_detection(struct sk_buff *skb,
wdev->cac_started = true;
wdev->cac_start_time = jiffies;
}
-err_locked:
- mutex_unlock(&rdev->devlist_mtx);
-
return err;
}
@@ -5939,10 +5904,13 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
if (local_state_change)
return 0;
- return cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
- ssid, ssid_len, ie, ie_len,
- key.p.key, key.p.key_len, key.idx,
- sae_data, sae_data_len);
+ wdev_lock(dev->ieee80211_ptr);
+ err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
+ ssid, ssid_len, ie, ie_len,
+ key.p.key, key.p.key_len, key.idx,
+ sae_data, sae_data_len);
+ wdev_unlock(dev->ieee80211_ptr);
+ return err;
}
static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
@@ -6109,9 +6077,12 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
}
err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
- if (!err)
+ if (!err) {
+ wdev_lock(dev->ieee80211_ptr);
err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
ssid, ssid_len, &req);
+ wdev_unlock(dev->ieee80211_ptr);
+ }
return err;
}
@@ -6121,7 +6092,7 @@ 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;
+ int ie_len = 0, err;
u16 reason_code;
bool local_state_change;
@@ -6156,8 +6127,11 @@ static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
- return cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
- 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;
}
static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
@@ -6165,7 +6139,7 @@ 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;
+ int ie_len = 0, err;
u16 reason_code;
bool local_state_change;
@@ -6200,8 +6174,11 @@ static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
- return cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
- 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;
}
static bool
@@ -6419,6 +6396,8 @@ static int nl80211_testmode_dump(struct sk_buff *skb,
void *data = NULL;
int data_len = 0;
+ rtnl_lock();
+
if (cb->args[0]) {
/*
* 0 is a valid index, but not valid for args[0],
@@ -6430,18 +6409,16 @@ static int nl80211_testmode_dump(struct sk_buff *skb,
nl80211_fam.attrbuf, nl80211_fam.maxattr,
nl80211_policy);
if (err)
- return err;
+ goto out_err;
- mutex_lock(&cfg80211_mutex);
rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk),
nl80211_fam.attrbuf);
if (IS_ERR(rdev)) {
- mutex_unlock(&cfg80211_mutex);
- return PTR_ERR(rdev);
+ err = PTR_ERR(rdev);
+ goto out_err;
}
phy_idx = rdev->wiphy_idx;
rdev = NULL;
- mutex_unlock(&cfg80211_mutex);
if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA])
cb->args[1] =
@@ -6453,14 +6430,11 @@ static int nl80211_testmode_dump(struct sk_buff *skb,
data_len = nla_len((void *)cb->args[1]);
}
- mutex_lock(&cfg80211_mutex);
rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
if (!rdev) {
- mutex_unlock(&cfg80211_mutex);
- return -ENOENT;
+ err = -ENOENT;
+ goto out_err;
}
- cfg80211_lock_rdev(rdev);
- mutex_unlock(&cfg80211_mutex);
if (!rdev->ops->testmode_dump) {
err = -EOPNOTSUPP;
@@ -6501,7 +6475,7 @@ static int nl80211_testmode_dump(struct sk_buff *skb,
/* see above */
cb->args[0] = phy_idx + 1;
out_err:
- cfg80211_unlock_rdev(rdev);
+ rtnl_unlock();
return err;
}
@@ -6709,7 +6683,9 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
sizeof(connect.vht_capa));
}
- err = cfg80211_connect(rdev, dev, &connect, connkeys);
+ wdev_lock(dev->ieee80211_ptr);
+ err = cfg80211_connect(rdev, dev, &connect, connkeys, NULL);
+ wdev_unlock(dev->ieee80211_ptr);
if (err)
kfree(connkeys);
return err;
@@ -6720,6 +6696,7 @@ 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 (!info->attrs[NL80211_ATTR_REASON_CODE])
reason = WLAN_REASON_DEAUTH_LEAVING;
@@ -6733,7 +6710,10 @@ static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
return -EOPNOTSUPP;
- return cfg80211_disconnect(rdev, dev, reason, true);
+ wdev_lock(dev->ieee80211_ptr);
+ ret = cfg80211_disconnect(rdev, dev, reason, true);
+ wdev_unlock(dev->ieee80211_ptr);
+ return ret;
}
static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
@@ -7509,28 +7489,29 @@ static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
struct cfg80211_registered_device *rdev)
{
+ struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
struct nlattr *nl_pats, *nl_pat;
int i, pat_len;
- if (!rdev->wowlan->n_patterns)
+ if (!wowlan->n_patterns)
return 0;
nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
if (!nl_pats)
return -ENOBUFS;
- for (i = 0; i < rdev->wowlan->n_patterns; i++) {
+ for (i = 0; i < wowlan->n_patterns; i++) {
nl_pat = nla_nest_start(msg, i + 1);
if (!nl_pat)
return -ENOBUFS;
- pat_len = rdev->wowlan->patterns[i].pattern_len;
+ pat_len = wowlan->patterns[i].pattern_len;
if (nla_put(msg, NL80211_WOWLAN_PKTPAT_MASK,
DIV_ROUND_UP(pat_len, 8),
- rdev->wowlan->patterns[i].mask) ||
+ wowlan->patterns[i].mask) ||
nla_put(msg, NL80211_WOWLAN_PKTPAT_PATTERN,
- pat_len, rdev->wowlan->patterns[i].pattern) ||
+ pat_len, wowlan->patterns[i].pattern) ||
nla_put_u32(msg, NL80211_WOWLAN_PKTPAT_OFFSET,
- rdev->wowlan->patterns[i].pkt_offset))
+ wowlan->patterns[i].pkt_offset))
return -ENOBUFS;
nla_nest_end(msg, nl_pat);
}
@@ -7577,6 +7558,8 @@ static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
&tcp->payload_tok))
return -ENOBUFS;
+ nla_nest_end(msg, nl_tcp);
+
return 0;
}
@@ -7591,12 +7574,12 @@ static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
!rdev->wiphy.wowlan.tcp)
return -EOPNOTSUPP;
- if (rdev->wowlan && rdev->wowlan->tcp) {
+ if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
/* adjust size to have room for all the data */
- size += rdev->wowlan->tcp->tokens_size +
- rdev->wowlan->tcp->payload_len +
- rdev->wowlan->tcp->wake_len +
- rdev->wowlan->tcp->wake_len / 8;
+ size += rdev->wiphy.wowlan_config->tcp->tokens_size +
+ rdev->wiphy.wowlan_config->tcp->payload_len +
+ rdev->wiphy.wowlan_config->tcp->wake_len +
+ rdev->wiphy.wowlan_config->tcp->wake_len / 8;
}
msg = nlmsg_new(size, GFP_KERNEL);
@@ -7608,33 +7591,34 @@ static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
if (!hdr)
goto nla_put_failure;
- if (rdev->wowlan) {
+ if (rdev->wiphy.wowlan_config) {
struct nlattr *nl_wowlan;
nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
if (!nl_wowlan)
goto nla_put_failure;
- if ((rdev->wowlan->any &&
+ if ((rdev->wiphy.wowlan_config->any &&
nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
- (rdev->wowlan->disconnect &&
+ (rdev->wiphy.wowlan_config->disconnect &&
nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
- (rdev->wowlan->magic_pkt &&
+ (rdev->wiphy.wowlan_config->magic_pkt &&
nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
- (rdev->wowlan->gtk_rekey_failure &&
+ (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
- (rdev->wowlan->eap_identity_req &&
+ (rdev->wiphy.wowlan_config->eap_identity_req &&
nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
- (rdev->wowlan->four_way_handshake &&
+ (rdev->wiphy.wowlan_config->four_way_handshake &&
nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
- (rdev->wowlan->rfkill_release &&
+ (rdev->wiphy.wowlan_config->rfkill_release &&
nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
goto nla_put_failure;
if (nl80211_send_wowlan_patterns(msg, rdev))
goto nla_put_failure;
- if (nl80211_send_wowlan_tcp(msg, rdev->wowlan->tcp))
+ if (nl80211_send_wowlan_tcp(msg,
+ rdev->wiphy.wowlan_config->tcp))
goto nla_put_failure;
nla_nest_end(msg, nl_wowlan);
@@ -7801,7 +7785,7 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
struct cfg80211_wowlan *ntrig;
struct wiphy_wowlan_support *wowlan = &rdev->wiphy.wowlan;
int err, i;
- bool prev_enabled = rdev->wowlan;
+ bool prev_enabled = rdev->wiphy.wowlan_config;
if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns &&
!rdev->wiphy.wowlan.tcp)
@@ -7809,7 +7793,7 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
cfg80211_rdev_free_wowlan(rdev);
- rdev->wowlan = NULL;
+ rdev->wiphy.wowlan_config = NULL;
goto set_wakeup;
}
@@ -7945,11 +7929,12 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
goto error;
}
cfg80211_rdev_free_wowlan(rdev);
- rdev->wowlan = ntrig;
+ rdev->wiphy.wowlan_config = ntrig;
set_wakeup:
- if (rdev->ops->set_wakeup && prev_enabled != !!rdev->wowlan)
- rdev_set_wakeup(rdev, rdev->wowlan);
+ if (rdev->ops->set_wakeup &&
+ prev_enabled != !!rdev->wiphy.wowlan_config)
+ rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
return 0;
error:
@@ -8134,9 +8119,7 @@ static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
if (wdev->p2p_started)
return 0;
- mutex_lock(&rdev->devlist_mtx);
err = cfg80211_can_add_interface(rdev, wdev->iftype);
- mutex_unlock(&rdev->devlist_mtx);
if (err)
return err;
@@ -8145,9 +8128,7 @@ static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
return err;
wdev->p2p_started = true;
- mutex_lock(&rdev->devlist_mtx);
rdev->opencount++;
- mutex_unlock(&rdev->devlist_mtx);
return 0;
}
@@ -8163,11 +8144,7 @@ static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
if (!rdev->ops->stop_p2p_device)
return -EOPNOTSUPP;
- mutex_lock(&rdev->devlist_mtx);
- mutex_lock(&rdev->sched_scan_mtx);
cfg80211_stop_p2p_device(rdev, wdev);
- mutex_unlock(&rdev->sched_scan_mtx);
- mutex_unlock(&rdev->devlist_mtx);
return 0;
}
@@ -8310,11 +8287,11 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
info->user_ptr[0] = rdev;
} else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
- mutex_lock(&cfg80211_mutex);
+ ASSERT_RTNL();
+
wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
info->attrs);
if (IS_ERR(wdev)) {
- mutex_unlock(&cfg80211_mutex);
if (rtnl)
rtnl_unlock();
return PTR_ERR(wdev);
@@ -8325,7 +8302,6 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
if (!dev) {
- mutex_unlock(&cfg80211_mutex);
if (rtnl)
rtnl_unlock();
return -EINVAL;
@@ -8339,7 +8315,6 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
if (dev) {
if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
!netif_running(dev)) {
- mutex_unlock(&cfg80211_mutex);
if (rtnl)
rtnl_unlock();
return -ENETDOWN;
@@ -8348,17 +8323,12 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
dev_hold(dev);
} else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) {
if (!wdev->p2p_started) {
- mutex_unlock(&cfg80211_mutex);
if (rtnl)
rtnl_unlock();
return -ENETDOWN;
}
}
- cfg80211_lock_rdev(rdev);
-
- mutex_unlock(&cfg80211_mutex);
-
info->user_ptr[0] = rdev;
}
@@ -8368,8 +8338,6 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb,
struct genl_info *info)
{
- if (info->user_ptr[0])
- cfg80211_unlock_rdev(info->user_ptr[0]);
if (info->user_ptr[1]) {
if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
struct wireless_dev *wdev = info->user_ptr[1];
@@ -8391,7 +8359,8 @@ static struct genl_ops nl80211_ops[] = {
.dumpit = nl80211_dump_wiphy,
.policy = nl80211_policy,
/* can be retrieved by unprivileged users */
- .internal_flags = NL80211_FLAG_NEED_WIPHY,
+ .internal_flags = NL80211_FLAG_NEED_WIPHY |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_SET_WIPHY,
@@ -8406,7 +8375,8 @@ static struct genl_ops nl80211_ops[] = {
.dumpit = nl80211_dump_interface,
.policy = nl80211_policy,
/* can be retrieved by unprivileged users */
- .internal_flags = NL80211_FLAG_NEED_WDEV,
+ .internal_flags = NL80211_FLAG_NEED_WDEV |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_SET_INTERFACE,
@@ -8565,6 +8535,7 @@ static struct genl_ops nl80211_ops[] = {
.cmd = NL80211_CMD_GET_REG,
.doit = nl80211_get_reg,
.policy = nl80211_policy,
+ .internal_flags = NL80211_FLAG_NEED_RTNL,
/* can be retrieved by unprivileged users */
},
{
@@ -8572,6 +8543,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_set_reg,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_REQ_SET_REG,
@@ -9027,8 +8999,6 @@ static int nl80211_add_scan_req(struct sk_buff *msg,
struct nlattr *nest;
int i;
- lockdep_assert_held(&rdev->sched_scan_mtx);
-
if (WARN_ON(!req))
return 0;
@@ -9970,6 +9940,7 @@ int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
(netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
netdev->ifindex)) ||
+ nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
(sig_dbm &&
nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
@@ -10010,6 +9981,7 @@ void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
(netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
netdev->ifindex)) ||
+ nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) ||
(ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index cc35fbaa457..e1d6749234c 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -81,7 +81,10 @@ static struct regulatory_request core_request_world = {
.country_ie_env = ENVIRON_ANY,
};
-/* Receipt of information from last regulatory request */
+/*
+ * Receipt of information from last regulatory request,
+ * protected by RTNL (and can be accessed with RCU protection)
+ */
static struct regulatory_request __rcu *last_request =
(void __rcu *)&core_request_world;
@@ -96,39 +99,25 @@ static struct device_type reg_device_type = {
* Central wireless core regulatory domains, we only need two,
* the current one and a world regulatory domain in case we have no
* information to give us an alpha2.
+ * (protected by RTNL, can be read under RCU)
*/
const struct ieee80211_regdomain __rcu *cfg80211_regdomain;
/*
- * Protects static reg.c components:
- * - cfg80211_regdomain (if not used with RCU)
- * - cfg80211_world_regdom
- * - last_request (if not used with RCU)
- * - reg_num_devs_support_basehint
- */
-static DEFINE_MUTEX(reg_mutex);
-
-/*
* Number of devices that registered to the core
* that support cellular base station regulatory hints
+ * (protected by RTNL)
*/
static int reg_num_devs_support_basehint;
-static inline void assert_reg_lock(void)
-{
- lockdep_assert_held(&reg_mutex);
-}
-
static const struct ieee80211_regdomain *get_cfg80211_regdom(void)
{
- return rcu_dereference_protected(cfg80211_regdomain,
- lockdep_is_held(&reg_mutex));
+ return rtnl_dereference(cfg80211_regdomain);
}
static const struct ieee80211_regdomain *get_wiphy_regdom(struct wiphy *wiphy)
{
- return rcu_dereference_protected(wiphy->regd,
- lockdep_is_held(&reg_mutex));
+ return rtnl_dereference(wiphy->regd);
}
static void rcu_free_regdom(const struct ieee80211_regdomain *r)
@@ -140,8 +129,7 @@ static void rcu_free_regdom(const struct ieee80211_regdomain *r)
static struct regulatory_request *get_last_request(void)
{
- return rcu_dereference_check(last_request,
- lockdep_is_held(&reg_mutex));
+ return rcu_dereference_rtnl(last_request);
}
/* Used to queue up regulatory hints */
@@ -200,6 +188,7 @@ static const struct ieee80211_regdomain world_regdom = {
}
};
+/* protected by RTNL */
static const struct ieee80211_regdomain *cfg80211_world_regdom =
&world_regdom;
@@ -215,7 +204,7 @@ static void reset_regdomains(bool full_reset,
const struct ieee80211_regdomain *r;
struct regulatory_request *lr;
- assert_reg_lock();
+ ASSERT_RTNL();
r = get_cfg80211_regdom();
@@ -377,7 +366,7 @@ static void reg_regdb_search(struct work_struct *work)
const struct ieee80211_regdomain *curdom, *regdom = NULL;
int i;
- mutex_lock(&cfg80211_mutex);
+ rtnl_lock();
mutex_lock(&reg_regdb_search_mutex);
while (!list_empty(&reg_regdb_search_list)) {
@@ -402,7 +391,7 @@ static void reg_regdb_search(struct work_struct *work)
if (!IS_ERR_OR_NULL(regdom))
set_regdom(regdom);
- mutex_unlock(&cfg80211_mutex);
+ rtnl_unlock();
}
static DECLARE_WORK(reg_regdb_work, reg_regdb_search);
@@ -936,13 +925,7 @@ static bool reg_request_cell_base(struct regulatory_request *request)
bool reg_last_request_cell_base(void)
{
- bool val;
-
- mutex_lock(&reg_mutex);
- val = reg_request_cell_base(get_last_request());
- mutex_unlock(&reg_mutex);
-
- return val;
+ return reg_request_cell_base(get_last_request());
}
#ifdef CONFIG_CFG80211_CERTIFICATION_ONUS
@@ -1225,7 +1208,7 @@ static void update_all_wiphy_regulatory(enum nl80211_reg_initiator initiator)
struct cfg80211_registered_device *rdev;
struct wiphy *wiphy;
- assert_cfg80211_lock();
+ ASSERT_RTNL();
list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
wiphy = &rdev->wiphy;
@@ -1444,8 +1427,6 @@ static void reg_set_request_processed(void)
* what it believes should be the current regulatory domain.
*
* Returns one of the different reg request treatment values.
- *
- * Caller must hold &reg_mutex
*/
static enum reg_request_treatment
__regulatory_hint(struct wiphy *wiphy,
@@ -1570,21 +1551,19 @@ static void reg_process_pending_hints(void)
{
struct regulatory_request *reg_request, *lr;
- mutex_lock(&cfg80211_mutex);
- mutex_lock(&reg_mutex);
lr = get_last_request();
/* When last_request->processed becomes true this will be rescheduled */
if (lr && !lr->processed) {
REG_DBG_PRINT("Pending regulatory request, waiting for it to be processed...\n");
- goto out;
+ return;
}
spin_lock(&reg_requests_lock);
if (list_empty(&reg_requests_list)) {
spin_unlock(&reg_requests_lock);
- goto out;
+ return;
}
reg_request = list_first_entry(&reg_requests_list,
@@ -1595,10 +1574,6 @@ static void reg_process_pending_hints(void)
spin_unlock(&reg_requests_lock);
reg_process_hint(reg_request, reg_request->initiator);
-
-out:
- mutex_unlock(&reg_mutex);
- mutex_unlock(&cfg80211_mutex);
}
/* Processes beacon hints -- this has nothing to do with country IEs */
@@ -1607,9 +1582,6 @@ static void reg_process_pending_beacon_hints(void)
struct cfg80211_registered_device *rdev;
struct reg_beacon *pending_beacon, *tmp;
- mutex_lock(&cfg80211_mutex);
- mutex_lock(&reg_mutex);
-
/* This goes through the _pending_ beacon list */
spin_lock_bh(&reg_pending_beacons_lock);
@@ -1626,14 +1598,14 @@ static void reg_process_pending_beacon_hints(void)
}
spin_unlock_bh(&reg_pending_beacons_lock);
- mutex_unlock(&reg_mutex);
- mutex_unlock(&cfg80211_mutex);
}
static void reg_todo(struct work_struct *work)
{
+ rtnl_lock();
reg_process_pending_hints();
reg_process_pending_beacon_hints();
+ rtnl_unlock();
}
static void queue_regulatory_request(struct regulatory_request *request)
@@ -1717,29 +1689,23 @@ int regulatory_hint(struct wiphy *wiphy, const char *alpha2)
}
EXPORT_SYMBOL(regulatory_hint);
-/*
- * We hold wdev_lock() here so we cannot hold cfg80211_mutex() and
- * therefore cannot iterate over the rdev list here.
- */
void regulatory_hint_11d(struct wiphy *wiphy, enum ieee80211_band band,
const u8 *country_ie, u8 country_ie_len)
{
char alpha2[2];
enum environment_cap env = ENVIRON_ANY;
- struct regulatory_request *request, *lr;
-
- mutex_lock(&reg_mutex);
- lr = get_last_request();
-
- if (unlikely(!lr))
- goto out;
+ struct regulatory_request *request = NULL, *lr;
/* IE len must be evenly divisible by 2 */
if (country_ie_len & 0x01)
- goto out;
+ return;
if (country_ie_len < IEEE80211_COUNTRY_IE_MIN_LEN)
- goto out;
+ return;
+
+ request = kzalloc(sizeof(*request), GFP_KERNEL);
+ if (!request)
+ return;
alpha2[0] = country_ie[0];
alpha2[1] = country_ie[1];
@@ -1749,19 +1715,21 @@ void regulatory_hint_11d(struct wiphy *wiphy, enum ieee80211_band band,
else if (country_ie[2] == 'O')
env = ENVIRON_OUTDOOR;
+ rcu_read_lock();
+ lr = get_last_request();
+
+ if (unlikely(!lr))
+ goto out;
+
/*
* We will run this only upon a successful connection on cfg80211.
* We leave conflict resolution to the workqueue, where can hold
- * cfg80211_mutex.
+ * the RTNL.
*/
if (lr->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE &&
lr->wiphy_idx != WIPHY_IDX_INVALID)
goto out;
- request = kzalloc(sizeof(struct regulatory_request), GFP_KERNEL);
- if (!request)
- goto out;
-
request->wiphy_idx = get_wiphy_idx(wiphy);
request->alpha2[0] = alpha2[0];
request->alpha2[1] = alpha2[1];
@@ -1769,8 +1737,10 @@ void regulatory_hint_11d(struct wiphy *wiphy, enum ieee80211_band band,
request->country_ie_env = env;
queue_regulatory_request(request);
+ request = NULL;
out:
- mutex_unlock(&reg_mutex);
+ kfree(request);
+ rcu_read_unlock();
}
static void restore_alpha2(char *alpha2, bool reset_user)
@@ -1858,8 +1828,7 @@ static void restore_regulatory_settings(bool reset_user)
LIST_HEAD(tmp_reg_req_list);
struct cfg80211_registered_device *rdev;
- mutex_lock(&cfg80211_mutex);
- mutex_lock(&reg_mutex);
+ ASSERT_RTNL();
reset_regdomains(true, &world_regdom);
restore_alpha2(alpha2, reset_user);
@@ -1914,9 +1883,6 @@ static void restore_regulatory_settings(bool reset_user)
list_splice_tail_init(&tmp_reg_req_list, &reg_requests_list);
spin_unlock(&reg_requests_lock);
- mutex_unlock(&reg_mutex);
- mutex_unlock(&cfg80211_mutex);
-
REG_DBG_PRINT("Kicking the queue\n");
schedule_work(&reg_work);
@@ -2231,7 +2197,6 @@ int set_regdom(const struct ieee80211_regdomain *rd)
struct regulatory_request *lr;
int r;
- mutex_lock(&reg_mutex);
lr = get_last_request();
/* Note that this doesn't update the wiphys, this is done below */
@@ -2241,14 +2206,12 @@ int set_regdom(const struct ieee80211_regdomain *rd)
reg_set_request_processed();
kfree(rd);
- goto out;
+ return r;
}
/* This would make this whole thing pointless */
- if (WARN_ON(!lr->intersect && rd != get_cfg80211_regdom())) {
- r = -EINVAL;
- goto out;
- }
+ if (WARN_ON(!lr->intersect && rd != get_cfg80211_regdom()))
+ return -EINVAL;
/* update all wiphys now with the new established regulatory domain */
update_all_wiphy_regulatory(lr->initiator);
@@ -2259,10 +2222,7 @@ int set_regdom(const struct ieee80211_regdomain *rd)
reg_set_request_processed();
- out:
- mutex_unlock(&reg_mutex);
-
- return r;
+ return 0;
}
int reg_device_uevent(struct device *dev, struct kobj_uevent_env *env)
@@ -2287,23 +2247,17 @@ int reg_device_uevent(struct device *dev, struct kobj_uevent_env *env)
void wiphy_regulatory_register(struct wiphy *wiphy)
{
- mutex_lock(&reg_mutex);
-
if (!reg_dev_ignore_cell_hint(wiphy))
reg_num_devs_support_basehint++;
wiphy_update_regulatory(wiphy, NL80211_REGDOM_SET_BY_CORE);
-
- mutex_unlock(&reg_mutex);
}
-/* Caller must hold cfg80211_mutex */
void wiphy_regulatory_deregister(struct wiphy *wiphy)
{
struct wiphy *request_wiphy = NULL;
struct regulatory_request *lr;
- mutex_lock(&reg_mutex);
lr = get_last_request();
if (!reg_dev_ignore_cell_hint(wiphy))
@@ -2316,12 +2270,10 @@ void wiphy_regulatory_deregister(struct wiphy *wiphy)
request_wiphy = wiphy_idx_to_wiphy(lr->wiphy_idx);
if (!request_wiphy || request_wiphy != wiphy)
- goto out;
+ return;
lr->wiphy_idx = WIPHY_IDX_INVALID;
lr->country_ie_env = ENVIRON_ANY;
-out:
- mutex_unlock(&reg_mutex);
}
static void reg_timeout_work(struct work_struct *work)
@@ -2385,9 +2337,9 @@ void regulatory_exit(void)
cancel_delayed_work_sync(&reg_timeout);
/* Lock to suppress warnings */
- mutex_lock(&reg_mutex);
+ rtnl_lock();
reset_regdomains(true, NULL);
- mutex_unlock(&reg_mutex);
+ rtnl_unlock();
dev_set_uevent_suppress(&reg_pdev->dev, true);
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index fd99ea495b7..dd01b58fa78 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -169,7 +169,7 @@ void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak)
union iwreq_data wrqu;
#endif
- lockdep_assert_held(&rdev->sched_scan_mtx);
+ ASSERT_RTNL();
request = rdev->scan_req;
@@ -230,9 +230,9 @@ void __cfg80211_scan_done(struct work_struct *wk)
rdev = container_of(wk, struct cfg80211_registered_device,
scan_done_wk);
- mutex_lock(&rdev->sched_scan_mtx);
+ rtnl_lock();
___cfg80211_scan_done(rdev, false);
- mutex_unlock(&rdev->sched_scan_mtx);
+ rtnl_unlock();
}
void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted)
@@ -241,6 +241,7 @@ void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted)
WARN_ON(request != wiphy_to_dev(request->wiphy)->scan_req);
request->aborted = aborted;
+ request->notified = true;
queue_work(cfg80211_wq, &wiphy_to_dev(request->wiphy)->scan_done_wk);
}
EXPORT_SYMBOL(cfg80211_scan_done);
@@ -255,7 +256,7 @@ void __cfg80211_sched_scan_results(struct work_struct *wk)
request = rdev->sched_scan_req;
- mutex_lock(&rdev->sched_scan_mtx);
+ rtnl_lock();
/* we don't have sched_scan_req anymore if the scan is stopping */
if (request) {
@@ -270,7 +271,7 @@ void __cfg80211_sched_scan_results(struct work_struct *wk)
nl80211_send_sched_scan_results(rdev, request->dev);
}
- mutex_unlock(&rdev->sched_scan_mtx);
+ rtnl_unlock();
}
void cfg80211_sched_scan_results(struct wiphy *wiphy)
@@ -289,9 +290,9 @@ void cfg80211_sched_scan_stopped(struct wiphy *wiphy)
trace_cfg80211_sched_scan_stopped(wiphy);
- mutex_lock(&rdev->sched_scan_mtx);
+ rtnl_lock();
__cfg80211_stop_sched_scan(rdev, true);
- mutex_unlock(&rdev->sched_scan_mtx);
+ rtnl_unlock();
}
EXPORT_SYMBOL(cfg80211_sched_scan_stopped);
@@ -300,7 +301,7 @@ int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
{
struct net_device *dev;
- lockdep_assert_held(&rdev->sched_scan_mtx);
+ ASSERT_RTNL();
if (!rdev->sched_scan_req)
return -ENOENT;
@@ -1040,6 +1041,25 @@ void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *pub)
EXPORT_SYMBOL(cfg80211_unlink_bss);
#ifdef CONFIG_CFG80211_WEXT
+static struct cfg80211_registered_device *
+cfg80211_get_dev_from_ifindex(struct net *net, int ifindex)
+{
+ struct cfg80211_registered_device *rdev;
+ struct net_device *dev;
+
+ ASSERT_RTNL();
+
+ dev = dev_get_by_index(net, ifindex);
+ if (!dev)
+ return ERR_PTR(-ENODEV);
+ if (dev->ieee80211_ptr)
+ rdev = wiphy_to_dev(dev->ieee80211_ptr->wiphy);
+ else
+ rdev = ERR_PTR(-ENODEV);
+ dev_put(dev);
+ return rdev;
+}
+
int cfg80211_wext_siwscan(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
@@ -1062,7 +1082,6 @@ int cfg80211_wext_siwscan(struct net_device *dev,
if (IS_ERR(rdev))
return PTR_ERR(rdev);
- mutex_lock(&rdev->sched_scan_mtx);
if (rdev->scan_req) {
err = -EBUSY;
goto out;
@@ -1169,9 +1188,7 @@ int cfg80211_wext_siwscan(struct net_device *dev,
dev_hold(dev);
}
out:
- mutex_unlock(&rdev->sched_scan_mtx);
kfree(creq);
- cfg80211_unlock_rdev(rdev);
return err;
}
EXPORT_SYMBOL_GPL(cfg80211_wext_siwscan);
@@ -1470,10 +1487,8 @@ int cfg80211_wext_giwscan(struct net_device *dev,
if (IS_ERR(rdev))
return PTR_ERR(rdev);
- if (rdev->scan_req) {
- res = -EAGAIN;
- goto out;
- }
+ if (rdev->scan_req)
+ return -EAGAIN;
res = ieee80211_scan_results(rdev, info, extra, data->length);
data->length = 0;
@@ -1482,8 +1497,6 @@ int cfg80211_wext_giwscan(struct net_device *dev,
res = 0;
}
- out:
- cfg80211_unlock_rdev(rdev);
return res;
}
EXPORT_SYMBOL_GPL(cfg80211_wext_giwscan);
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index a9dc5c736df..81be95f3be7 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -43,35 +43,29 @@ static bool cfg80211_is_all_idle(void)
struct wireless_dev *wdev;
bool is_all_idle = true;
- mutex_lock(&cfg80211_mutex);
-
/*
* All devices must be idle as otherwise if you are actively
* scanning some new beacon hints could be learned and would
* count as new regulatory hints.
*/
list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
- cfg80211_lock_rdev(rdev);
list_for_each_entry(wdev, &rdev->wdev_list, list) {
wdev_lock(wdev);
if (wdev->sme_state != CFG80211_SME_IDLE)
is_all_idle = false;
wdev_unlock(wdev);
}
- cfg80211_unlock_rdev(rdev);
}
- mutex_unlock(&cfg80211_mutex);
-
return is_all_idle;
}
static void disconnect_work(struct work_struct *work)
{
- if (!cfg80211_is_all_idle())
- return;
-
- regulatory_hint_disconnect();
+ rtnl_lock();
+ if (cfg80211_is_all_idle())
+ regulatory_hint_disconnect();
+ rtnl_unlock();
}
static DECLARE_WORK(cfg80211_disconnect_work, disconnect_work);
@@ -85,7 +79,6 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev)
ASSERT_RTNL();
ASSERT_RDEV_LOCK(rdev);
ASSERT_WDEV_LOCK(wdev);
- lockdep_assert_held(&rdev->sched_scan_mtx);
if (rdev->scan_req)
return -EBUSY;
@@ -176,13 +169,13 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev)
case CFG80211_CONN_AUTHENTICATE_NEXT:
BUG_ON(!rdev->ops->auth);
wdev->conn->state = CFG80211_CONN_AUTHENTICATING;
- return __cfg80211_mlme_auth(rdev, wdev->netdev,
- params->channel, params->auth_type,
- params->bssid,
- params->ssid, params->ssid_len,
- NULL, 0,
- params->key, params->key_len,
- params->key_idx, NULL, 0);
+ return cfg80211_mlme_auth(rdev, wdev->netdev,
+ params->channel, params->auth_type,
+ params->bssid,
+ params->ssid, params->ssid_len,
+ NULL, 0,
+ params->key, params->key_len,
+ params->key_idx, NULL, 0);
case CFG80211_CONN_ASSOCIATE_NEXT:
BUG_ON(!rdev->ops->assoc);
wdev->conn->state = CFG80211_CONN_ASSOCIATING;
@@ -198,19 +191,19 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev)
req.vht_capa = params->vht_capa;
req.vht_capa_mask = params->vht_capa_mask;
- err = __cfg80211_mlme_assoc(rdev, wdev->netdev, params->channel,
- params->bssid, params->ssid,
- params->ssid_len, &req);
+ err = cfg80211_mlme_assoc(rdev, wdev->netdev, params->channel,
+ params->bssid, params->ssid,
+ params->ssid_len, &req);
if (err)
- __cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid,
- NULL, 0,
- WLAN_REASON_DEAUTH_LEAVING,
- false);
+ cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid,
+ NULL, 0,
+ WLAN_REASON_DEAUTH_LEAVING,
+ false);
return err;
case CFG80211_CONN_DEAUTH_ASSOC_FAIL:
- __cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid,
- NULL, 0,
- WLAN_REASON_DEAUTH_LEAVING, false);
+ cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid,
+ NULL, 0,
+ WLAN_REASON_DEAUTH_LEAVING, false);
/* return an error so that we call __cfg80211_connect_result() */
return -EINVAL;
default:
@@ -226,11 +219,11 @@ void cfg80211_conn_work(struct work_struct *work)
u8 bssid_buf[ETH_ALEN], *bssid = NULL;
rtnl_lock();
- cfg80211_lock_rdev(rdev);
- mutex_lock(&rdev->devlist_mtx);
- mutex_lock(&rdev->sched_scan_mtx);
list_for_each_entry(wdev, &rdev->wdev_list, list) {
+ if (!wdev->netdev)
+ continue;
+
wdev_lock(wdev);
if (!netif_running(wdev->netdev)) {
wdev_unlock(wdev);
@@ -253,9 +246,6 @@ void cfg80211_conn_work(struct work_struct *work)
wdev_unlock(wdev);
}
- mutex_unlock(&rdev->sched_scan_mtx);
- mutex_unlock(&rdev->devlist_mtx);
- cfg80211_unlock_rdev(rdev);
rtnl_unlock();
}
@@ -770,11 +760,11 @@ void cfg80211_disconnected(struct net_device *dev, u16 reason,
}
EXPORT_SYMBOL(cfg80211_disconnected);
-int __cfg80211_connect(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct cfg80211_connect_params *connect,
- struct cfg80211_cached_keys *connkeys,
- const u8 *prev_bssid)
+int cfg80211_connect(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ struct cfg80211_connect_params *connect,
+ struct cfg80211_cached_keys *connkeys,
+ const u8 *prev_bssid)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_bss *bss = NULL;
@@ -921,27 +911,8 @@ int __cfg80211_connect(struct cfg80211_registered_device *rdev,
}
}
-int cfg80211_connect(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct cfg80211_connect_params *connect,
- struct cfg80211_cached_keys *connkeys)
-{
- int err;
-
- mutex_lock(&rdev->devlist_mtx);
- /* might request scan - scan_mtx -> wdev_mtx dependency */
- mutex_lock(&rdev->sched_scan_mtx);
- wdev_lock(dev->ieee80211_ptr);
- err = __cfg80211_connect(rdev, dev, connect, connkeys, NULL);
- wdev_unlock(dev->ieee80211_ptr);
- mutex_unlock(&rdev->sched_scan_mtx);
- mutex_unlock(&rdev->devlist_mtx);
-
- return err;
-}
-
-int __cfg80211_disconnect(struct cfg80211_registered_device *rdev,
- struct net_device *dev, u16 reason, bool wextev)
+int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, u16 reason, bool wextev)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
@@ -961,7 +932,7 @@ int __cfg80211_disconnect(struct cfg80211_registered_device *rdev,
/* was it connected by userspace SME? */
if (!wdev->conn) {
cfg80211_mlme_down(rdev, dev);
- return 0;
+ goto disconnect;
}
if (wdev->sme_state == CFG80211_SME_CONNECTING &&
@@ -976,7 +947,7 @@ int __cfg80211_disconnect(struct cfg80211_registered_device *rdev,
}
/* wdev->conn->params.bssid must be set if > SCANNING */
- err = __cfg80211_mlme_deauth(rdev, dev,
+ err = cfg80211_mlme_deauth(rdev, dev,
wdev->conn->params.bssid,
NULL, 0, reason, false);
if (err)
@@ -987,6 +958,7 @@ int __cfg80211_disconnect(struct cfg80211_registered_device *rdev,
return err;
}
+ disconnect:
if (wdev->sme_state == CFG80211_SME_CONNECTED)
__cfg80211_disconnected(dev, NULL, 0, 0, false);
else if (wdev->sme_state == CFG80211_SME_CONNECTING)
@@ -997,19 +969,6 @@ int __cfg80211_disconnect(struct cfg80211_registered_device *rdev,
return 0;
}
-int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- u16 reason, bool wextev)
-{
- int err;
-
- wdev_lock(dev->ieee80211_ptr);
- err = __cfg80211_disconnect(rdev, dev, reason, wextev);
- wdev_unlock(dev->ieee80211_ptr);
-
- return err;
-}
-
void cfg80211_sme_disassoc(struct net_device *dev,
struct cfg80211_internal_bss *bss)
{
@@ -1032,6 +991,6 @@ void cfg80211_sme_disassoc(struct net_device *dev,
memcpy(bssid, bss->pub.bssid, ETH_ALEN);
- __cfg80211_mlme_deauth(rdev, dev, bssid, NULL, 0,
- WLAN_REASON_DEAUTH_LEAVING, false);
+ cfg80211_mlme_deauth(rdev, dev, bssid, NULL, 0,
+ WLAN_REASON_DEAUTH_LEAVING, false);
}
diff --git a/net/wireless/sysfs.c b/net/wireless/sysfs.c
index 8f28b9f798d..360a42c6f69 100644
--- a/net/wireless/sysfs.c
+++ b/net/wireless/sysfs.c
@@ -91,6 +91,7 @@ static void cfg80211_leave_all(struct cfg80211_registered_device *rdev)
cfg80211_leave(rdev, wdev);
}
+#ifdef CONFIG_PM
static int wiphy_suspend(struct device *dev, pm_message_t state)
{
struct cfg80211_registered_device *rdev = dev_to_rdev(dev);
@@ -100,10 +101,10 @@ static int wiphy_suspend(struct device *dev, pm_message_t state)
rtnl_lock();
if (rdev->wiphy.registered) {
- if (!rdev->wowlan)
+ if (!rdev->wiphy.wowlan_config)
cfg80211_leave_all(rdev);
if (rdev->ops->suspend)
- ret = rdev_suspend(rdev, rdev->wowlan);
+ ret = rdev_suspend(rdev, rdev->wiphy.wowlan_config);
if (ret == 1) {
/* Driver refuse to configure wowlan */
cfg80211_leave_all(rdev);
@@ -132,6 +133,7 @@ static int wiphy_resume(struct device *dev)
return ret;
}
+#endif
static const void *wiphy_namespace(struct device *d)
{
@@ -146,8 +148,10 @@ struct class ieee80211_class = {
.dev_release = wiphy_dev_release,
.dev_attrs = ieee80211_dev_attrs,
.dev_uevent = wiphy_uevent,
+#ifdef CONFIG_PM
.suspend = wiphy_suspend,
.resume = wiphy_resume,
+#endif
.ns_type = &net_ns_type_operations,
.namespace = wiphy_namespace,
};
diff --git a/net/wireless/trace.h b/net/wireless/trace.h
index ecd4fcec3c9..23fafeae8a1 100644
--- a/net/wireless/trace.h
+++ b/net/wireless/trace.h
@@ -1911,12 +1911,12 @@ TRACE_EVENT(cfg80211_send_rx_assoc,
NETDEV_PR_ARG, MAC_PR_ARG(bssid), CHAN_PR_ARG)
);
-DEFINE_EVENT(netdev_evt_only, __cfg80211_send_deauth,
+DEFINE_EVENT(netdev_evt_only, cfg80211_send_deauth,
TP_PROTO(struct net_device *netdev),
TP_ARGS(netdev)
);
-DEFINE_EVENT(netdev_evt_only, __cfg80211_send_disassoc,
+DEFINE_EVENT(netdev_evt_only, cfg80211_send_disassoc,
TP_PROTO(struct net_device *netdev),
TP_ARGS(netdev)
);
@@ -2441,6 +2441,7 @@ TRACE_EVENT(cfg80211_report_wowlan_wakeup,
TP_STRUCT__entry(
WIPHY_ENTRY
WDEV_ENTRY
+ __field(bool, non_wireless)
__field(bool, disconnect)
__field(bool, magic_pkt)
__field(bool, gtk_rekey_failure)
@@ -2449,20 +2450,22 @@ TRACE_EVENT(cfg80211_report_wowlan_wakeup,
__field(bool, rfkill_release)
__field(s32, pattern_idx)
__field(u32, packet_len)
- __dynamic_array(u8, packet, wakeup->packet_present_len)
+ __dynamic_array(u8, packet,
+ wakeup ? wakeup->packet_present_len : 0)
),
TP_fast_assign(
WIPHY_ASSIGN;
WDEV_ASSIGN;
- __entry->disconnect = wakeup->disconnect;
- __entry->magic_pkt = wakeup->magic_pkt;
- __entry->gtk_rekey_failure = wakeup->gtk_rekey_failure;
- __entry->eap_identity_req = wakeup->eap_identity_req;
- __entry->four_way_handshake = wakeup->four_way_handshake;
- __entry->rfkill_release = wakeup->rfkill_release;
- __entry->pattern_idx = wakeup->pattern_idx;
- __entry->packet_len = wakeup->packet_len;
- if (wakeup->packet && wakeup->packet_present_len)
+ __entry->non_wireless = !wakeup;
+ __entry->disconnect = wakeup ? wakeup->disconnect : false;
+ __entry->magic_pkt = wakeup ? wakeup->magic_pkt : false;
+ __entry->gtk_rekey_failure = wakeup ? wakeup->gtk_rekey_failure : false;
+ __entry->eap_identity_req = wakeup ? wakeup->eap_identity_req : false;
+ __entry->four_way_handshake = wakeup ? wakeup->four_way_handshake : false;
+ __entry->rfkill_release = wakeup ? wakeup->rfkill_release : false;
+ __entry->pattern_idx = wakeup ? wakeup->pattern_idx : false;
+ __entry->packet_len = wakeup ? wakeup->packet_len : false;
+ if (wakeup && wakeup->packet && wakeup->packet_present_len)
memcpy(__get_dynamic_array(packet), wakeup->packet,
wakeup->packet_present_len);
),
diff --git a/net/wireless/util.c b/net/wireless/util.c
index f5ad4d94ba8..74458b7f61e 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -33,6 +33,29 @@ ieee80211_get_response_rate(struct ieee80211_supported_band *sband,
}
EXPORT_SYMBOL(ieee80211_get_response_rate);
+u32 ieee80211_mandatory_rates(struct ieee80211_supported_band *sband)
+{
+ struct ieee80211_rate *bitrates;
+ u32 mandatory_rates = 0;
+ enum ieee80211_rate_flags mandatory_flag;
+ int i;
+
+ if (WARN_ON(!sband))
+ return 1;
+
+ if (sband->band == IEEE80211_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++)
+ if (bitrates[i].flags & mandatory_flag)
+ mandatory_rates |= BIT(i);
+ return mandatory_rates;
+}
+EXPORT_SYMBOL(ieee80211_mandatory_rates);
+
int ieee80211_channel_to_frequency(int chan, enum ieee80211_band band)
{
/* see 802.11 17.3.8.3.2 and Annex J
@@ -785,12 +808,8 @@ void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev)
ASSERT_RTNL();
ASSERT_RDEV_LOCK(rdev);
- mutex_lock(&rdev->devlist_mtx);
-
list_for_each_entry(wdev, &rdev->wdev_list, list)
cfg80211_process_wdev_events(wdev);
-
- mutex_unlock(&rdev->devlist_mtx);
}
int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
@@ -822,10 +841,8 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
return -EBUSY;
if (ntype != otype && netif_running(dev)) {
- mutex_lock(&rdev->devlist_mtx);
err = cfg80211_can_change_interface(rdev, dev->ieee80211_ptr,
ntype);
- mutex_unlock(&rdev->devlist_mtx);
if (err)
return err;
@@ -841,8 +858,10 @@ 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? */
@@ -1169,6 +1188,9 @@ bool ieee80211_operating_class_to_band(u8 operating_class,
case 84:
*band = IEEE80211_BAND_2GHZ;
return true;
+ case 180:
+ *band = IEEE80211_BAND_60GHZ;
+ return true;
}
return false;
@@ -1184,8 +1206,6 @@ int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
if (!beacon_int)
return -EINVAL;
- mutex_lock(&rdev->devlist_mtx);
-
list_for_each_entry(wdev, &rdev->wdev_list, list) {
if (!wdev->beacon_interval)
continue;
@@ -1195,8 +1215,6 @@ int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
}
}
- mutex_unlock(&rdev->devlist_mtx);
-
return res;
}
@@ -1220,7 +1238,6 @@ int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev,
int i, j;
ASSERT_RTNL();
- lockdep_assert_held(&rdev->devlist_mtx);
if (WARN_ON(hweight32(radar_detect) > 1))
return -EINVAL;
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index d997d0f0c54..e7c6e862580 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -72,7 +72,6 @@ int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info,
struct cfg80211_registered_device *rdev;
struct vif_params vifparams;
enum nl80211_iftype type;
- int ret;
rdev = wiphy_to_dev(wdev->wiphy);
@@ -98,11 +97,7 @@ int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info,
memset(&vifparams, 0, sizeof(vifparams));
- cfg80211_lock_rdev(rdev);
- ret = cfg80211_change_iface(rdev, dev, type, NULL, &vifparams);
- cfg80211_unlock_rdev(rdev);
-
- return ret;
+ return cfg80211_change_iface(rdev, dev, type, NULL, &vifparams);
}
EXPORT_SYMBOL_GPL(cfg80211_wext_siwmode);
@@ -579,13 +574,10 @@ static int cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
{
int err;
- /* devlist mutex needed for possible IBSS re-join */
- mutex_lock(&rdev->devlist_mtx);
wdev_lock(dev->ieee80211_ptr);
err = __cfg80211_set_encryption(rdev, dev, pairwise, addr,
remove, tx_key, idx, params);
wdev_unlock(dev->ieee80211_ptr);
- mutex_unlock(&rdev->devlist_mtx);
return err;
}
@@ -787,7 +779,7 @@ static int cfg80211_wext_siwfreq(struct net_device *dev,
struct cfg80211_chan_def chandef = {
.width = NL80211_CHAN_WIDTH_20_NOHT,
};
- int freq, err;
+ int freq;
switch (wdev->iftype) {
case NL80211_IFTYPE_STATION:
@@ -804,10 +796,7 @@ static int cfg80211_wext_siwfreq(struct net_device *dev,
chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq);
if (!chandef.chan)
return -EINVAL;
- mutex_lock(&rdev->devlist_mtx);
- err = cfg80211_set_monitor_channel(rdev, &chandef);
- mutex_unlock(&rdev->devlist_mtx);
- return err;
+ return cfg80211_set_monitor_channel(rdev, &chandef);
case NL80211_IFTYPE_MESH_POINT:
freq = cfg80211_wext_freq(wdev->wiphy, wextfreq);
if (freq < 0)
@@ -818,10 +807,7 @@ static int cfg80211_wext_siwfreq(struct net_device *dev,
chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq);
if (!chandef.chan)
return -EINVAL;
- mutex_lock(&rdev->devlist_mtx);
- err = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
- mutex_unlock(&rdev->devlist_mtx);
- return err;
+ return cfg80211_set_mesh_channel(rdev, wdev, &chandef);
default:
return -EOPNOTSUPP;
}
diff --git a/net/wireless/wext-sme.c b/net/wireless/wext-sme.c
index e79cb5c0655..a53f8404f45 100644
--- a/net/wireless/wext-sme.c
+++ b/net/wireless/wext-sme.c
@@ -54,8 +54,8 @@ int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
if (wdev->wext.prev_bssid_valid)
prev_bssid = wdev->wext.prev_bssid;
- err = __cfg80211_connect(rdev, wdev->netdev,
- &wdev->wext.connect, ck, prev_bssid);
+ err = cfg80211_connect(rdev, wdev->netdev,
+ &wdev->wext.connect, ck, prev_bssid);
if (err)
kfree(ck);
@@ -87,9 +87,6 @@ int cfg80211_mgd_wext_siwfreq(struct net_device *dev,
return -EINVAL;
}
- cfg80211_lock_rdev(rdev);
- mutex_lock(&rdev->devlist_mtx);
- mutex_lock(&rdev->sched_scan_mtx);
wdev_lock(wdev);
if (wdev->sme_state != CFG80211_SME_IDLE) {
@@ -103,8 +100,8 @@ int cfg80211_mgd_wext_siwfreq(struct net_device *dev,
/* if SSID set, we'll try right again, avoid event */
if (wdev->wext.connect.ssid_len)
event = false;
- err = __cfg80211_disconnect(rdev, dev,
- WLAN_REASON_DEAUTH_LEAVING, event);
+ err = cfg80211_disconnect(rdev, dev,
+ WLAN_REASON_DEAUTH_LEAVING, event);
if (err)
goto out;
}
@@ -136,9 +133,6 @@ int cfg80211_mgd_wext_siwfreq(struct net_device *dev,
err = cfg80211_mgd_wext_connect(rdev, wdev);
out:
wdev_unlock(wdev);
- mutex_unlock(&rdev->sched_scan_mtx);
- mutex_unlock(&rdev->devlist_mtx);
- cfg80211_unlock_rdev(rdev);
return err;
}
@@ -190,9 +184,6 @@ int cfg80211_mgd_wext_siwessid(struct net_device *dev,
if (len > 0 && ssid[len - 1] == '\0')
len--;
- cfg80211_lock_rdev(rdev);
- mutex_lock(&rdev->devlist_mtx);
- mutex_lock(&rdev->sched_scan_mtx);
wdev_lock(wdev);
err = 0;
@@ -208,8 +199,8 @@ int cfg80211_mgd_wext_siwessid(struct net_device *dev,
/* if SSID set now, we'll try to connect, avoid event */
if (len)
event = false;
- err = __cfg80211_disconnect(rdev, dev,
- WLAN_REASON_DEAUTH_LEAVING, event);
+ err = cfg80211_disconnect(rdev, dev,
+ WLAN_REASON_DEAUTH_LEAVING, event);
if (err)
goto out;
}
@@ -226,9 +217,6 @@ int cfg80211_mgd_wext_siwessid(struct net_device *dev,
err = cfg80211_mgd_wext_connect(rdev, wdev);
out:
wdev_unlock(wdev);
- mutex_unlock(&rdev->sched_scan_mtx);
- mutex_unlock(&rdev->devlist_mtx);
- cfg80211_unlock_rdev(rdev);
return err;
}
@@ -287,9 +275,6 @@ int cfg80211_mgd_wext_siwap(struct net_device *dev,
if (is_zero_ether_addr(bssid) || is_broadcast_ether_addr(bssid))
bssid = NULL;
- cfg80211_lock_rdev(rdev);
- mutex_lock(&rdev->devlist_mtx);
- mutex_lock(&rdev->sched_scan_mtx);
wdev_lock(wdev);
if (wdev->sme_state != CFG80211_SME_IDLE) {
@@ -303,8 +288,8 @@ int cfg80211_mgd_wext_siwap(struct net_device *dev,
ether_addr_equal(bssid, wdev->wext.connect.bssid))
goto out;
- err = __cfg80211_disconnect(rdev, dev,
- WLAN_REASON_DEAUTH_LEAVING, false);
+ err = cfg80211_disconnect(rdev, dev,
+ WLAN_REASON_DEAUTH_LEAVING, false);
if (err)
goto out;
}
@@ -318,9 +303,6 @@ int cfg80211_mgd_wext_siwap(struct net_device *dev,
err = cfg80211_mgd_wext_connect(rdev, wdev);
out:
wdev_unlock(wdev);
- mutex_unlock(&rdev->sched_scan_mtx);
- mutex_unlock(&rdev->devlist_mtx);
- cfg80211_unlock_rdev(rdev);
return err;
}
@@ -383,8 +365,8 @@ int cfg80211_wext_siwgenie(struct net_device *dev,
wdev->wext.ie_len = ie_len;
if (wdev->sme_state != CFG80211_SME_IDLE) {
- err = __cfg80211_disconnect(rdev, dev,
- WLAN_REASON_DEAUTH_LEAVING, false);
+ err = cfg80211_disconnect(rdev, dev,
+ WLAN_REASON_DEAUTH_LEAVING, false);
if (err)
goto out;
}
@@ -420,8 +402,7 @@ int cfg80211_wext_siwmlme(struct net_device *dev,
switch (mlme->cmd) {
case IW_MLME_DEAUTH:
case IW_MLME_DISASSOC:
- err = __cfg80211_disconnect(rdev, dev, mlme->reason_code,
- true);
+ err = cfg80211_disconnect(rdev, dev, mlme->reason_code, true);
break;
default:
err = -EOPNOTSUPP;