Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem

11 files changed, 409 insertions, 165 deletions

diff --git a/include/linux/bcma/bcma_driver_mips.h b/include/linux/bcma/bcma_driver_mips.h
index 0baf8a56b794..0d1ea297851a 100644
--- a/include/linux/bcma/bcma_driver_mips.h
+++ b/include/linux/bcma/bcma_driver_mips.h
@@ -28,6 +28,7 @@
 #define BCMA_MIPS_MIPS74K_GPIOEN	0x0048
 #define BCMA_MIPS_MIPS74K_CLKCTLST	0x01E0
 
+#define BCMA_MIPS_OOBSELINA74		0x004
 #define BCMA_MIPS_OOBSELOUTA30		0x100
 
 struct bcma_device;
@@ -36,7 +37,6 @@ struct bcma_drv_mips {
 	struct bcma_device *core;
 	u8 setup_done:1;
 	u8 early_setup_done:1;
-	unsigned int assigned_irqs;
 };
 
 #ifdef CONFIG_BCMA_DRIVER_MIPS
@@ -49,6 +49,6 @@ static inline void bcma_core_mips_early_init(struct bcma_drv_mips *mcore) { }
 
 extern u32 bcma_cpu_clock(struct bcma_drv_mips *mcore);
 
-extern unsigned int bcma_core_mips_irq(struct bcma_device *dev);
+extern unsigned int bcma_core_irq(struct bcma_device *core);
 
 #endif /* LINUX_BCMA_DRIVER_MIPS_H_ */
diff --git a/include/linux/bcma/bcma_driver_pci.h b/include/linux/bcma/bcma_driver_pci.h
index c48d98d27b77..424760f01b9d 100644
--- a/include/linux/bcma/bcma_driver_pci.h
+++ b/include/linux/bcma/bcma_driver_pci.h
@@ -179,6 +179,8 @@ struct pci_dev;
 #define BCMA_CORE_PCI_CFG_FUN_MASK		7	/* Function mask */
 #define BCMA_CORE_PCI_CFG_OFF_MASK		0xfff	/* Register mask */
 
+#define BCMA_CORE_PCI_CFG_DEVCTRL		0xd8
+
 /* PCIE Root Capability Register bits (Host mode only) */
 #define BCMA_CORE_PCI_RC_CRS_VISIBILITY		0x0001
 
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index f0859cc73861..ccf9ee1dca8c 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -180,7 +180,7 @@ struct ieee80211_hdr {
 	u8 addr3[6];
 	__le16 seq_ctrl;
 	u8 addr4[6];
-} __attribute__ ((packed));
+} __packed;
 
 struct ieee80211_hdr_3addr {
 	__le16 frame_control;
@@ -189,7 +189,7 @@ struct ieee80211_hdr_3addr {
 	u8 addr2[6];
 	u8 addr3[6];
 	__le16 seq_ctrl;
-} __attribute__ ((packed));
+} __packed;
 
 struct ieee80211_qos_hdr {
 	__le16 frame_control;
@@ -199,7 +199,7 @@ struct ieee80211_qos_hdr {
 	u8 addr3[6];
 	__le16 seq_ctrl;
 	__le16 qos_ctrl;
-} __attribute__ ((packed));
+} __packed;
 
 /**
  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
@@ -576,7 +576,7 @@ struct ieee80211s_hdr {
 	__le32 seqnum;
 	u8 eaddr1[6];
 	u8 eaddr2[6];
-} __attribute__ ((packed));
+} __packed;
 
 /* Mesh flags */
 #define MESH_FLAGS_AE_A4 	0x1
@@ -614,7 +614,7 @@ struct ieee80211_quiet_ie {
 	u8 period;
 	__le16 duration;
 	__le16 offset;
-} __attribute__ ((packed));
+} __packed;
 
 /**
  * struct ieee80211_msrment_ie
@@ -626,7 +626,7 @@ struct ieee80211_msrment_ie {
 	u8 mode;
 	u8 type;
 	u8 request[0];
-} __attribute__ ((packed));
+} __packed;
 
 /**
  * struct ieee80211_channel_sw_ie
@@ -637,7 +637,7 @@ struct ieee80211_channel_sw_ie {
 	u8 mode;
 	u8 new_ch_num;
 	u8 count;
-} __attribute__ ((packed));
+} __packed;
 
 /**
  * struct ieee80211_tim
@@ -650,7 +650,7 @@ struct ieee80211_tim_ie {
 	u8 bitmap_ctrl;
 	/* variable size: 1 - 251 bytes */
 	u8 virtual_map[1];
-} __attribute__ ((packed));
+} __packed;
 
 /**
  * struct ieee80211_meshconf_ie
@@ -665,7 +665,7 @@ struct ieee80211_meshconf_ie {
 	u8 meshconf_auth;
 	u8 meshconf_form;
 	u8 meshconf_cap;
-} __attribute__ ((packed));
+} __packed;
 
 /**
  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
@@ -695,12 +695,17 @@ struct ieee80211_rann_ie {
 	__le32 rann_seq;
 	__le32 rann_interval;
 	__le32 rann_metric;
-} __attribute__ ((packed));
+} __packed;
 
 enum ieee80211_rann_flags {
 	RANN_FLAG_IS_GATE = 1 << 0,
 };
 
+enum ieee80211_ht_chanwidth_values {
+	IEEE80211_HT_CHANWIDTH_20MHZ = 0,
+	IEEE80211_HT_CHANWIDTH_ANY = 1,
+};
+
 #define WLAN_SA_QUERY_TR_ID_LEN 2
 
 struct ieee80211_mgmt {
@@ -717,33 +722,33 @@ struct ieee80211_mgmt {
 			__le16 status_code;
 			/* possibly followed by Challenge text */
 			u8 variable[0];
-		} __attribute__ ((packed)) auth;
+		} __packed auth;
 		struct {
 			__le16 reason_code;
-		} __attribute__ ((packed)) deauth;
+		} __packed deauth;
 		struct {
 			__le16 capab_info;
 			__le16 listen_interval;
 			/* followed by SSID and Supported rates */
 			u8 variable[0];
-		} __attribute__ ((packed)) assoc_req;
+		} __packed assoc_req;
 		struct {
 			__le16 capab_info;
 			__le16 status_code;
 			__le16 aid;
 			/* followed by Supported rates */
 			u8 variable[0];
-		} __attribute__ ((packed)) assoc_resp, reassoc_resp;
+		} __packed assoc_resp, reassoc_resp;
 		struct {
 			__le16 capab_info;
 			__le16 listen_interval;
 			u8 current_ap[6];
 			/* followed by SSID and Supported rates */
 			u8 variable[0];
-		} __attribute__ ((packed)) reassoc_req;
+		} __packed reassoc_req;
 		struct {
 			__le16 reason_code;
-		} __attribute__ ((packed)) disassoc;
+		} __packed disassoc;
 		struct {
 			__le64 timestamp;
 			__le16 beacon_int;
@@ -751,11 +756,11 @@ struct ieee80211_mgmt {
 			/* followed by some of SSID, Supported rates,
 			 * FH Params, DS Params, CF Params, IBSS Params, TIM */
 			u8 variable[0];
-		} __attribute__ ((packed)) beacon;
+		} __packed beacon;
 		struct {
 			/* only variable items: SSID, Supported rates */
 			u8 variable[0];
-		} __attribute__ ((packed)) probe_req;
+		} __packed probe_req;
 		struct {
 			__le64 timestamp;
 			__le16 beacon_int;
@@ -763,7 +768,7 @@ struct ieee80211_mgmt {
 			/* followed by some of SSID, Supported rates,
 			 * FH Params, DS Params, CF Params, IBSS Params */
 			u8 variable[0];
-		} __attribute__ ((packed)) probe_resp;
+		} __packed probe_resp;
 		struct {
 			u8 category;
 			union {
@@ -772,55 +777,59 @@ struct ieee80211_mgmt {
 					u8 dialog_token;
 					u8 status_code;
 					u8 variable[0];
-				} __attribute__ ((packed)) wme_action;
+				} __packed wme_action;
 				struct{
 					u8 action_code;
 					u8 element_id;
 					u8 length;
 					struct ieee80211_channel_sw_ie sw_elem;
-				} __attribute__((packed)) chan_switch;
+				} __packed chan_switch;
 				struct{
 					u8 action_code;
 					u8 dialog_token;
 					u8 element_id;
 					u8 length;
 					struct ieee80211_msrment_ie msr_elem;
-				} __attribute__((packed)) measurement;
+				} __packed measurement;
 				struct{
 					u8 action_code;
 					u8 dialog_token;
 					__le16 capab;
 					__le16 timeout;
 					__le16 start_seq_num;
-				} __attribute__((packed)) addba_req;
+				} __packed addba_req;
 				struct{
 					u8 action_code;
 					u8 dialog_token;
 					__le16 status;
 					__le16 capab;
 					__le16 timeout;
-				} __attribute__((packed)) addba_resp;
+				} __packed addba_resp;
 				struct{
 					u8 action_code;
 					__le16 params;
 					__le16 reason_code;
-				} __attribute__((packed)) delba;
+				} __packed delba;
 				struct {
 					u8 action_code;
 					u8 variable[0];
-				} __attribute__((packed)) self_prot;
+				} __packed self_prot;
 				struct{
 					u8 action_code;
 					u8 variable[0];
-				} __attribute__((packed)) mesh_action;
+				} __packed mesh_action;
 				struct {
 					u8 action;
 					u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
-				} __attribute__ ((packed)) sa_query;
+				} __packed sa_query;
 				struct {
 					u8 action;
 					u8 smps_control;
-				} __attribute__ ((packed)) ht_smps;
+				} __packed ht_smps;
+				struct {
+					u8 action_code;
+					u8 chanwidth;
+				} __packed ht_notify_cw;
 				struct {
 					u8 action_code;
 					u8 dialog_token;
@@ -828,9 +837,9 @@ struct ieee80211_mgmt {
 					u8 variable[0];
 				} __packed tdls_discover_resp;
 			} u;
-		} __attribute__ ((packed)) action;
+		} __packed action;
 	} u;
-} __attribute__ ((packed));
+} __packed;
 
 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY	127
@@ -846,7 +855,7 @@ struct ieee80211_mmie {
 	__le16 key_id;
 	u8 sequence_number[6];
 	u8 mic[8];
-} __attribute__ ((packed));
+} __packed;
 
 struct ieee80211_vendor_ie {
 	u8 element_id;
@@ -861,20 +870,20 @@ struct ieee80211_rts {
 	__le16 duration;
 	u8 ra[6];
 	u8 ta[6];
-} __attribute__ ((packed));
+} __packed;
 
 struct ieee80211_cts {
 	__le16 frame_control;
 	__le16 duration;
 	u8 ra[6];
-} __attribute__ ((packed));
+} __packed;
 
 struct ieee80211_pspoll {
 	__le16 frame_control;
 	__le16 aid;
 	u8 bssid[6];
 	u8 ta[6];
-} __attribute__ ((packed));
+} __packed;
 
 /* TDLS */
 
@@ -967,7 +976,7 @@ struct ieee80211_bar {
 	__u8 ta[6];
 	__le16 control;
 	__le16 start_seq_num;
-} __attribute__((packed));
+} __packed;
 
 /* 802.11 BAR control masks */
 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL	0x0000
@@ -992,7 +1001,7 @@ struct ieee80211_mcs_info {
 	__le16 rx_highest;
 	u8 tx_params;
 	u8 reserved[3];
-} __attribute__((packed));
+} __packed;
 
 /* 802.11n HT capability MSC set */
 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK	0x3ff
@@ -1031,7 +1040,7 @@ struct ieee80211_ht_cap {
 	__le16 extended_ht_cap_info;
 	__le32 tx_BF_cap_info;
 	u8 antenna_selection_info;
-} __attribute__ ((packed));
+} __packed;
 
 /* 802.11n HT capabilities masks (for cap_info) */
 #define IEEE80211_HT_CAP_LDPC_CODING		0x0001
@@ -1102,7 +1111,7 @@ struct ieee80211_ht_operation {
 	__le16 operation_mode;
 	__le16 stbc_param;
 	u8 basic_set[16];
-} __attribute__ ((packed));
+} __packed;
 
 /* for ht_param */
 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET		0x03
@@ -1311,16 +1320,21 @@ struct ieee80211_vht_operation {
 #define WLAN_CAPABILITY_SPECTRUM_MGMT	(1<<8)
 #define WLAN_CAPABILITY_QOS		(1<<9)
 #define WLAN_CAPABILITY_SHORT_SLOT_TIME	(1<<10)
+#define WLAN_CAPABILITY_APSD		(1<<11)
+#define WLAN_CAPABILITY_RADIO_MEASURE	(1<<12)
 #define WLAN_CAPABILITY_DSSS_OFDM	(1<<13)
+#define WLAN_CAPABILITY_DEL_BACK	(1<<14)
+#define WLAN_CAPABILITY_IMM_BACK	(1<<15)
 
 /* DMG (60gHz) 802.11ad */
 /* type - bits 0..1 */
+#define WLAN_CAPABILITY_DMG_TYPE_MASK		(3<<0)
 #define WLAN_CAPABILITY_DMG_TYPE_IBSS		(1<<0) /* Tx by: STA */
 #define WLAN_CAPABILITY_DMG_TYPE_PBSS		(2<<0) /* Tx by: PCP */
 #define WLAN_CAPABILITY_DMG_TYPE_AP		(3<<0) /* Tx by: AP */
 
 #define WLAN_CAPABILITY_DMG_CBAP_ONLY		(1<<2)
-#define WLAN_CAPABILITY_DMG_CBAP_SOURCE	(1<<3)
+#define WLAN_CAPABILITY_DMG_CBAP_SOURCE		(1<<3)
 #define WLAN_CAPABILITY_DMG_PRIVACY		(1<<4)
 #define WLAN_CAPABILITY_DMG_ECPAC		(1<<5)
 
@@ -1834,14 +1848,14 @@ struct ieee80211_country_ie_triplet {
 			u8 first_channel;
 			u8 num_channels;
 			s8 max_power;
-		} __attribute__ ((packed)) chans;
+		} __packed chans;
 		struct {
 			u8 reg_extension_id;
 			u8 reg_class;
 			u8 coverage_class;
-		} __attribute__ ((packed)) ext;
+		} __packed ext;
 	};
-} __attribute__ ((packed));
+} __packed;
 
 enum ieee80211_timeout_interval_type {
 	WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index f78fa19a07b0..1b9830ebe6c6 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -281,9 +281,13 @@ struct ieee80211_supported_band {
 /**
  * struct vif_params - describes virtual interface parameters
  * @use_4addr: use 4-address frames
+ * @macaddr: address to use for this virtual interface. This will only
+ * 	be used for non-netdevice interfaces. If this parameter is set
+ * 	to zero address the driver may determine the address as needed.
  */
 struct vif_params {
        int use_4addr;
+       u8 macaddr[ETH_ALEN];
 };
 
 /**
@@ -326,7 +330,7 @@ struct cfg80211_chan_def {
  * cfg80211_get_chandef_type - return old channel type from chandef
  * @chandef: the channel definition
  *
- * Returns the old channel type (NOHT, HT20, HT40+/-) from a given
+ * Return: The old channel type (NOHT, HT20, HT40+/-) from a given
  * chandef, which must have a bandwidth allowing this conversion.
  */
 static inline enum nl80211_channel_type
@@ -364,7 +368,7 @@ void cfg80211_chandef_create(struct cfg80211_chan_def *chandef,
  * @chandef1: first channel definition
  * @chandef2: second channel definition
  *
- * Returns %true if the channels defined by the channel definitions are
+ * Return: %true if the channels defined by the channel definitions are
  * identical, %false otherwise.
  */
 static inline bool
@@ -382,7 +386,7 @@ cfg80211_chandef_identical(const struct cfg80211_chan_def *chandef1,
  * @chandef1: first channel definition
  * @chandef2: second channel definition
  *
- * Returns %NULL if the given channel definitions are incompatible,
+ * Return: %NULL if the given channel definitions are incompatible,
  * chandef1 or chandef2 otherwise.
  */
 const struct cfg80211_chan_def *
@@ -392,6 +396,7 @@ cfg80211_chandef_compatible(const struct cfg80211_chan_def *chandef1,
 /**
  * cfg80211_chandef_valid - check if a channel definition is valid
  * @chandef: the channel definition to check
+ * Return: %true if the channel definition is valid. %false otherwise.
  */
 bool cfg80211_chandef_valid(const struct cfg80211_chan_def *chandef);
 
@@ -399,7 +404,8 @@ bool cfg80211_chandef_valid(const struct cfg80211_chan_def *chandef);
  * cfg80211_chandef_usable - check if secondary channels can be used
  * @wiphy: the wiphy to validate against
  * @chandef: the channel definition to check
- * @prohibited_flags: the regulatory chanenl flags that must not be set
+ * @prohibited_flags: the regulatory channel flags that must not be set
+ * Return: %true if secondary channels are usable. %false otherwise.
  */
 bool cfg80211_chandef_usable(struct wiphy *wiphy,
 			     const struct cfg80211_chan_def *chandef,
@@ -608,6 +614,8 @@ enum station_parameters_apply_mask {
  * @sta_modify_mask: bitmap indicating which parameters changed
  *	(for those that don't have a natural "no change" value),
  *	see &enum station_parameters_apply_mask
+ * @local_pm: local link-specific mesh power save mode (no change when set
+ *	to unknown)
  */
 struct station_parameters {
 	u8 *supported_rates;
@@ -623,6 +631,7 @@ struct station_parameters {
 	struct ieee80211_vht_cap *vht_capa;
 	u8 uapsd_queues;
 	u8 max_sp;
+	enum nl80211_mesh_power_mode local_pm;
 };
 
 /**
@@ -653,6 +662,9 @@ struct station_parameters {
  * @STATION_INFO_STA_FLAGS: @sta_flags filled
  * @STATION_INFO_BEACON_LOSS_COUNT: @beacon_loss_count filled
  * @STATION_INFO_T_OFFSET: @t_offset filled
+ * @STATION_INFO_LOCAL_PM: @local_pm filled
+ * @STATION_INFO_PEER_PM: @peer_pm filled
+ * @STATION_INFO_NONPEER_PM: @nonpeer_pm filled
  */
 enum station_info_flags {
 	STATION_INFO_INACTIVE_TIME	= 1<<0,
@@ -676,6 +688,9 @@ enum station_info_flags {
 	STATION_INFO_STA_FLAGS		= 1<<18,
 	STATION_INFO_BEACON_LOSS_COUNT	= 1<<19,
 	STATION_INFO_T_OFFSET		= 1<<20,
+	STATION_INFO_LOCAL_PM		= 1<<21,
+	STATION_INFO_PEER_PM		= 1<<22,
+	STATION_INFO_NONPEER_PM		= 1<<23,
 };
 
 /**
@@ -789,6 +804,9 @@ struct sta_bss_parameters {
  * @sta_flags: station flags mask & values
  * @beacon_loss_count: Number of times beacon loss event has triggered.
  * @t_offset: Time offset of the station relative to this host.
+ * @local_pm: local mesh STA power save mode
+ * @peer_pm: peer mesh STA power save mode
+ * @nonpeer_pm: non-peer mesh STA power save mode
  */
 struct station_info {
 	u32 filled;
@@ -818,6 +836,9 @@ struct station_info {
 
 	u32 beacon_loss_count;
 	s64 t_offset;
+	enum nl80211_mesh_power_mode local_pm;
+	enum nl80211_mesh_power_mode peer_pm;
+	enum nl80211_mesh_power_mode nonpeer_pm;
 
 	/*
 	 * Note: Add a new enum station_info_flags value for each new field and
@@ -993,6 +1014,10 @@ struct bss_parameters {
  * @dot11MeshHWMPconfirmationInterval: The minimum interval of time (in TUs)
  *	during which a mesh STA can send only one Action frame containing
  *	a PREQ element for root path confirmation.
+ * @power_mode: The default mesh power save mode which will be the initial
+ *	setting for new peer links.
+ * @dot11MeshAwakeWindowDuration: The duration in TUs the STA will remain awake
+ *	after transmitting its beacon.
  */
 struct mesh_config {
 	u16 dot11MeshRetryTimeout;
@@ -1020,6 +1045,8 @@ struct mesh_config {
 	u32 dot11MeshHWMPactivePathToRootTimeout;
 	u16 dot11MeshHWMProotInterval;
 	u16 dot11MeshHWMPconfirmationInterval;
+	enum nl80211_mesh_power_mode power_mode;
+	u16 dot11MeshAwakeWindowDuration;
 };
 
 /**
@@ -1034,6 +1061,8 @@ struct mesh_config {
  * @ie_len: length of vendor information elements
  * @is_authenticated: this mesh requires authentication
  * @is_secure: this mesh uses security
+ * @dtim_period: DTIM period to use
+ * @beacon_interval: beacon interval to use
  * @mcast_rate: multicat rate for Mesh Node [6Mbps is the default for 802.11a]
  *
  * These parameters are fixed when the mesh is created.
@@ -1049,6 +1078,8 @@ struct mesh_setup {
 	u8 ie_len;
 	bool is_authenticated;
 	bool is_secure;
+	u8 dtim_period;
+	u16 beacon_interval;
 	int mcast_rate[IEEE80211_NUM_BANDS];
 };
 
@@ -1256,7 +1287,7 @@ struct cfg80211_bss {
 
 	u8 bssid[ETH_ALEN];
 
-	u8 priv[0] __attribute__((__aligned__(sizeof(void *))));
+	u8 priv[0] __aligned(sizeof(void *));
 };
 
 /**
@@ -1266,7 +1297,7 @@ struct cfg80211_bss {
  *
  * Note that the return value is an RCU-protected pointer, so
  * rcu_read_lock() must be held when calling this function.
- * Returns %NULL if not found.
+ * Return: %NULL if not found.
  */
 const u8 *ieee80211_bss_get_ie(struct cfg80211_bss *bss, u8 ie);
 
@@ -1434,6 +1465,7 @@ struct cfg80211_ibss_params {
  * @ie: IEs for association request
  * @ie_len: Length of assoc_ie in octets
  * @privacy: indicates whether privacy-enabled APs should be used
+ * @mfp: indicate whether management frame protection is used
  * @crypto: crypto settings
  * @key_len: length of WEP key for shared key authentication
  * @key_idx: index of WEP key for shared key authentication
@@ -1454,6 +1486,7 @@ struct cfg80211_connect_params {
 	u8 *ie;
 	size_t ie_len;
 	bool privacy;
+	enum nl80211_mfp mfp;
 	struct cfg80211_crypto_settings crypto;
 	const u8 *key;
 	u8 key_len, key_idx;
@@ -2092,6 +2125,7 @@ struct ieee80211_iface_limit {
  * @beacon_int_infra_match: In this combination, the beacon intervals
  *	between infrastructure and AP types must match. This is required
  *	only in special cases.
+ * @radar_detect_widths: bitmap of channel widths supported for radar detection
  *
  * These examples can be expressed as follows:
  *
@@ -2144,6 +2178,7 @@ struct ieee80211_iface_combination {
 	u16 max_interfaces;
 	u8 n_limits;
 	bool beacon_int_infra_match;
+	u8 radar_detect_widths;
 };
 
 struct mac_address {
@@ -2364,12 +2399,12 @@ struct wiphy {
 	struct ieee80211_supported_band *bands[IEEE80211_NUM_BANDS];
 
 	/* Lets us get back the wiphy on the callback */
-	int (*reg_notifier)(struct wiphy *wiphy,
-			    struct regulatory_request *request);
+	void (*reg_notifier)(struct wiphy *wiphy,
+			     struct regulatory_request *request);
 
 	/* fields below are read-only, assigned by cfg80211 */
 
-	const struct ieee80211_regdomain *regd;
+	const struct ieee80211_regdomain __rcu *regd;
 
 	/* the item in /sys/class/ieee80211/ points to this,
 	 * you need use set_wiphy_dev() (see below) */
@@ -2392,7 +2427,7 @@ struct wiphy {
 	const struct iw_handler_def *wext;
 #endif
 
-	char priv[0] __attribute__((__aligned__(NETDEV_ALIGN)));
+	char priv[0] __aligned(NETDEV_ALIGN);
 };
 
 static inline struct net *wiphy_net(struct wiphy *wiphy)
@@ -2409,6 +2444,7 @@ static inline void wiphy_net_set(struct wiphy *wiphy, struct net *net)
  * wiphy_priv - return priv from wiphy
  *
  * @wiphy: the wiphy whose priv pointer to return
+ * Return: The priv of @wiphy.
  */
 static inline void *wiphy_priv(struct wiphy *wiphy)
 {
@@ -2420,6 +2456,7 @@ static inline void *wiphy_priv(struct wiphy *wiphy)
  * priv_to_wiphy - return the wiphy containing the priv
  *
  * @priv: a pointer previously returned by wiphy_priv
+ * Return: The wiphy of @priv.
  */
 static inline struct wiphy *priv_to_wiphy(void *priv)
 {
@@ -2442,6 +2479,7 @@ static inline void set_wiphy_dev(struct wiphy *wiphy, struct device *dev)
  * wiphy_dev - get wiphy dev pointer
  *
  * @wiphy: The wiphy whose device struct to look up
+ * Return: The dev of @wiphy.
  */
 static inline struct device *wiphy_dev(struct wiphy *wiphy)
 {
@@ -2452,6 +2490,7 @@ static inline struct device *wiphy_dev(struct wiphy *wiphy)
  * wiphy_name - get wiphy name
  *
  * @wiphy: The wiphy whose name to return
+ * Return: The name of @wiphy.
  */
 static inline const char *wiphy_name(const struct wiphy *wiphy)
 {
@@ -2467,8 +2506,8 @@ static inline const char *wiphy_name(const struct wiphy *wiphy)
  * Create a new wiphy and associate the given operations with it.
  * @sizeof_priv bytes are allocated for private use.
  *
- * The returned pointer must be assigned to each netdev's
- * ieee80211_ptr for proper operation.
+ * Return: A pointer to the new wiphy. This pointer must be
+ * assigned to each netdev's ieee80211_ptr for proper operation.
  */
 struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv);
 
@@ -2477,7 +2516,7 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv);
  *
  * @wiphy: The wiphy to register.
  *
- * Returns a non-negative wiphy index or a negative error code.
+ * Return: A non-negative wiphy index or a negative error code.
  */
 extern int wiphy_register(struct wiphy *wiphy);
 
@@ -2626,6 +2665,7 @@ static inline u8 *wdev_address(struct wireless_dev *wdev)
  * wdev_priv - return wiphy priv from wireless_dev
  *
  * @wdev: The wireless device whose wiphy's priv pointer to return
+ * Return: The wiphy priv of @wdev.
  */
 static inline void *wdev_priv(struct wireless_dev *wdev)
 {
@@ -2643,12 +2683,14 @@ static inline void *wdev_priv(struct wireless_dev *wdev)
  * ieee80211_channel_to_frequency - convert channel number to frequency
  * @chan: channel number
  * @band: band, necessary due to channel number overlap
+ * Return: The corresponding frequency (in MHz), or 0 if the conversion failed.
  */
 extern int ieee80211_channel_to_frequency(int chan, enum ieee80211_band band);
 
 /**
  * ieee80211_frequency_to_channel - convert frequency to channel number
  * @freq: center frequency
+ * Return: The corresponding channel, or 0 if the conversion failed.
  */
 extern int ieee80211_frequency_to_channel(int freq);
 
@@ -2665,6 +2707,7 @@ extern struct ieee80211_channel *__ieee80211_get_channel(struct wiphy *wiphy,
  * ieee80211_get_channel - get channel struct from wiphy for specified frequency
  * @wiphy: the struct wiphy to get the channel for
  * @freq: the center frequency of the channel
+ * Return: The channel struct from @wiphy at @freq.
  */
 static inline struct ieee80211_channel *
 ieee80211_get_channel(struct wiphy *wiphy, int freq)
@@ -2679,10 +2722,10 @@ ieee80211_get_channel(struct wiphy *wiphy, int freq)
  * @basic_rates: bitmap of basic rates
  * @bitrate: the bitrate for which to find the basic rate
  *
- * This function returns the basic rate corresponding to a given
- * bitrate, that is the next lower bitrate contained in the basic
- * rate map, which is, for this function, given as a bitmap of
- * indices of rates in the band's bitrate table.
+ * Return: The basic rate corresponding to a given bitrate, that
+ * is the next lower bitrate contained in the basic rate map,
+ * which is, for this function, given as a bitmap of indices of
+ * rates in the band's bitrate table.
  */
 struct ieee80211_rate *
 ieee80211_get_response_rate(struct ieee80211_supported_band *sband,
@@ -2775,18 +2818,21 @@ extern const unsigned char bridge_tunnel_header[6];
 /**
  * ieee80211_get_hdrlen_from_skb - get header length from data
  *
+ * @skb: the frame
+ *
  * Given an skb with a raw 802.11 header at the data pointer this function
- * returns the 802.11 header length in bytes (not including encryption
- * headers). If the data in the sk_buff is too short to contain a valid 802.11
- * header the function returns 0.
+ * returns the 802.11 header length.
  *
- * @skb: the frame
+ * Return: The 802.11 header length in bytes (not including encryption
+ * headers). Or 0 if the data in the sk_buff is too short to contain a valid
+ * 802.11 header.
  */
 unsigned int ieee80211_get_hdrlen_from_skb(const struct sk_buff *skb);
 
 /**
  * ieee80211_hdrlen - get header length in bytes from frame control
  * @fc: frame control field in little-endian format
+ * Return: The header length in bytes.
  */
 unsigned int __attribute_const__ ieee80211_hdrlen(__le16 fc);
 
@@ -2794,7 +2840,7 @@ unsigned int __attribute_const__ ieee80211_hdrlen(__le16 fc);
  * ieee80211_get_mesh_hdrlen - get mesh extension header length
  * @meshhdr: the mesh extension header, only the flags field
  *	(first byte) will be accessed
- * Returns the length of the extension header, which is always at
+ * Return: The length of the extension header, which is always at
  * least 6 bytes and at most 18 if address 5 and 6 are present.
  */
 unsigned int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr);
@@ -2812,6 +2858,7 @@ unsigned int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr);
  * @skb: the 802.11 data frame
  * @addr: the device MAC address
  * @iftype: the virtual interface type
+ * Return: 0 on success. Non-zero on error.
  */
 int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr,
 			   enum nl80211_iftype iftype);
@@ -2823,6 +2870,7 @@ int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr,
  * @iftype: the virtual interface type
  * @bssid: the network bssid (used only for iftype STATION and ADHOC)
  * @qos: build 802.11 QoS data frame
+ * Return: 0 on success, or a negative error code.
  */
 int ieee80211_data_from_8023(struct sk_buff *skb, const u8 *addr,
 			     enum nl80211_iftype iftype, u8 *bssid, bool qos);
@@ -2850,6 +2898,7 @@ void ieee80211_amsdu_to_8023s(struct sk_buff *skb, struct sk_buff_head *list,
 /**
  * cfg80211_classify8021d - determine the 802.1p/1d tag for a data frame
  * @skb: the data frame
+ * Return: The 802.1p/1d tag.
  */
 unsigned int cfg80211_classify8021d(struct sk_buff *skb);
 
@@ -2860,12 +2909,13 @@ unsigned int cfg80211_classify8021d(struct sk_buff *skb);
  * @ies: data consisting of IEs
  * @len: length of data
  *
- * This function will return %NULL if the element ID could
- * not be found or if the element is invalid (claims to be
- * longer than the given data), or a pointer to the first byte
- * of the requested element, that is the byte containing the
- * element ID. There are no checks on the element length
- * other than having to fit into the given data.
+ * Return: %NULL if the element ID could not be found or if
+ * the element is invalid (claims to be longer than the given
+ * data), or a pointer to the first byte of the requested
+ * element, that is the byte containing the element ID.
+ *
+ * Note: There are no checks on the element length other than
+ * having to fit into the given data.
  */
 const u8 *cfg80211_find_ie(u8 eid, const u8 *ies, int len);
 
@@ -2877,12 +2927,13 @@ const u8 *cfg80211_find_ie(u8 eid, const u8 *ies, int len);
  * @ies: data consisting of IEs
  * @len: length of data
  *
- * This function will return %NULL if the vendor specific element ID
- * could not be found or if the element is invalid (claims to be
- * longer than the given data), or a pointer to the first byte
- * of the requested element, that is the byte containing the
- * element ID. There are no checks on the element length
- * other than having to fit into the given data.
+ * Return: %NULL if the vendor specific element ID could not be found or if the
+ * element is invalid (claims to be longer than the given data), or a pointer to
+ * the first byte of the requested element, that is the byte containing the
+ * element ID.
+ *
+ * Note: There are no checks on the element length other than having to fit into
+ * the given data.
  */
 const u8 *cfg80211_find_vendor_ie(unsigned int oui, u8 oui_type,
 				  const u8 *ies, int len);
@@ -2915,6 +2966,8 @@ const u8 *cfg80211_find_vendor_ie(unsigned int oui, u8 oui_type,
  *
  * Drivers should check the return value, its possible you can get
  * an -ENOMEM.
+ *
+ * Return: 0 on success. -ENOMEM.
  */
 extern int regulatory_hint(struct wiphy *wiphy, const char *alpha2);
 
@@ -2938,28 +2991,22 @@ extern void wiphy_apply_custom_regulatory(
  * freq_reg_info - get regulatory information for the given frequency
  * @wiphy: the wiphy for which we want to process this rule for
  * @center_freq: Frequency in KHz for which we want regulatory information for
- * @desired_bw_khz: the desired max bandwidth you want to use per
- *	channel. Note that this is still 20 MHz if you want to use HT40
- *	as HT40 makes use of two channels for its 40 MHz width bandwidth.
- *	If set to 0 we'll assume you want the standard 20 MHz.
- * @reg_rule: the regulatory rule which we have for this frequency
  *
  * Use this function to get the regulatory rule for a specific frequency on
  * a given wireless device. If the device has a specific regulatory domain
  * it wants to follow we respect that unless a country IE has been received
  * and processed already.
  *
- * Returns 0 if it was able to find a valid regulatory rule which does
- * apply to the given center_freq otherwise it returns non-zero. It will
- * also return -ERANGE if we determine the given center_freq does not even have
- * a regulatory rule for a frequency range in the center_freq's band. See
- * freq_in_rule_band() for our current definition of a band -- this is purely
- * subjective and right now its 802.11 specific.
+ * Return: A valid pointer, or, when an error occurs, for example if no rule
+ * can be found, the return value is encoded using ERR_PTR(). Use IS_ERR() to
+ * check and PTR_ERR() to obtain the numeric return value. The numeric return
+ * value will be -ERANGE if we determine the given center_freq does not even
+ * have a regulatory rule for a frequency range in the center_freq's band.
+ * See freq_in_rule_band() for our current definition of a band -- this is
+ * purely subjective and right now it's 802.11 specific.
  */
-extern int freq_reg_info(struct wiphy *wiphy,
-			 u32 center_freq,
-			 u32 desired_bw_khz,
-			 const struct ieee80211_reg_rule **reg_rule);
+const struct ieee80211_reg_rule *freq_reg_info(struct wiphy *wiphy,
+					       u32 center_freq);
 
 /*
  * callbacks for asynchronous cfg80211 methods, notification
@@ -3006,7 +3053,8 @@ void cfg80211_sched_scan_stopped(struct wiphy *wiphy);
  * This informs cfg80211 that BSS information was found and
  * the BSS should be updated/added.
  *
- * NOTE: Returns a referenced struct, must be released with cfg80211_put_bss()!
+ * Return: A referenced struct, must be released with cfg80211_put_bss()!
+ * Or %NULL on error.
  */
 struct cfg80211_bss * __must_check
 cfg80211_inform_bss_frame(struct wiphy *wiphy,
@@ -3031,7 +3079,8 @@ cfg80211_inform_bss_frame(struct wiphy *wiphy,
  * This informs cfg80211 that BSS information was found and
  * the BSS should be updated/added.
  *
- * NOTE: Returns a referenced struct, must be released with cfg80211_put_bss()!
+ * Return: A referenced struct, must be released with cfg80211_put_bss()!
+ * Or %NULL on error.
  */
 struct cfg80211_bss * __must_check
 cfg80211_inform_bss(struct wiphy *wiphy,
@@ -3308,16 +3357,18 @@ void wiphy_rfkill_stop_polling(struct wiphy *wiphy);
  * the testmode command. Since it is intended for a reply, calling
  * it outside of the @testmode_cmd operation is invalid.
  *
- * The returned skb (or %NULL if any errors happen) is pre-filled
- * with the wiphy index and set up in a way that any data that is
- * put into the skb (with skb_put(), nla_put() or similar) will end
- * up being within the %NL80211_ATTR_TESTDATA attribute, so all that
- * needs to be done with the skb is adding data for the corresponding
- * userspace tool which can then read that data out of the testdata
- * attribute. You must not modify the skb in any other way.
+ * The returned skb is pre-filled with the wiphy index and set up in
+