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

3 files changed, 62 insertions, 37 deletions

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index b1f84b05c67e..9f90554e88c4 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1394,10 +1394,12 @@ struct cfg80211_scan_request {
 /**
  * struct cfg80211_match_set - sets of attributes to match
  *
- * @ssid: SSID to be matched
+ * @ssid: SSID to be matched; may be zero-length for no match (RSSI only)
+ * @rssi_thold: don't report scan results below this threshold (in s32 dBm)
  */
 struct cfg80211_match_set {
 	struct cfg80211_ssid ssid;
+	s32 rssi_thold;
 };
 
 /**
@@ -1420,7 +1422,8 @@ struct cfg80211_match_set {
  * @dev: the interface
  * @scan_start: start time of the scheduled scan
  * @channels: channels to scan
- * @rssi_thold: don't report scan results below this threshold (in s32 dBm)
+ * @min_rssi_thold: for drivers only supporting a single threshold, this
+ *	contains the minimum over all matchsets
  */
 struct cfg80211_sched_scan_request {
 	struct cfg80211_ssid *ssids;
@@ -1433,7 +1436,7 @@ struct cfg80211_sched_scan_request {
 	u32 flags;
 	struct cfg80211_match_set *match_sets;
 	int n_match_sets;
-	s32 rssi_thold;
+	s32 min_rssi_thold;
 
 	/* internal */
 	struct wiphy *wiphy;
@@ -1701,8 +1704,14 @@ struct cfg80211_ibss_params {
  *
  * @channel: The channel to use or %NULL if not specified (auto-select based
  *	on scan results)
+ * @channel_hint: The channel of the recommended BSS for initial connection or
+ *	%NULL if not specified
  * @bssid: The AP BSSID or %NULL if not specified (auto-select based on scan
  *	results)
+ * @bssid_hint: The recommended AP BSSID for initial connection to the BSS or
+ *	%NULL if not specified. Unlike the @bssid parameter, the driver is
+ *	allowed to ignore this @bssid_hint if it has knowledge of a better BSS
+ *	to use.
  * @ssid: SSID
  * @ssid_len: Length of ssid in octets
  * @auth_type: Authentication type (algorithm)
@@ -1725,11 +1734,13 @@ struct cfg80211_ibss_params {
  */
 struct cfg80211_connect_params {
 	struct ieee80211_channel *channel;
-	u8 *bssid;
-	u8 *ssid;
+	struct ieee80211_channel *channel_hint;
+	const u8 *bssid;
+	const u8 *bssid_hint;
+	const u8 *ssid;
 	size_t ssid_len;
 	enum nl80211_auth_type auth_type;
-	u8 *ie;
+	const u8 *ie;
 	size_t ie_len;
 	bool privacy;
 	enum nl80211_mfp mfp;
@@ -1768,6 +1779,7 @@ struct cfg80211_bitrate_mask {
 		u32 legacy;
 		u8 ht_mcs[IEEE80211_HT_MCS_MASK_LEN];
 		u16 vht_mcs[NL80211_VHT_NSS_MAX];
+		enum nl80211_txrate_gi gi;
 	} control[IEEE80211_NUM_BANDS];
 };
 /**
@@ -2875,6 +2887,11 @@ struct wiphy_vendor_command {
  * @n_vendor_commands: number of vendor commands
  * @vendor_events: array of vendor events supported by the hardware
  * @n_vendor_events: number of vendor events
+ *
+ * @max_ap_assoc_sta: maximum number of associated stations supported in AP mode
+ *	(including P2P GO) or 0 to indicate no such limit is advertised. The
+ *	driver is allowed to advertise a theoretical limit that it can reach in
+ *	some cases, but may not always reach.
  */
 struct wiphy {
 	/* assign these fields before you register the wiphy */
@@ -2990,6 +3007,8 @@ struct wiphy {
 	const struct nl80211_vendor_cmd_info *vendor_events;
 	int n_vendor_commands, n_vendor_events;
 
+	u16 max_ap_assoc_sta;
+
 	char priv[0] __aligned(NETDEV_ALIGN);
 };
 
@@ -3127,8 +3146,8 @@ struct cfg80211_cached_keys;
  * @identifier: (private) Identifier used in nl80211 to identify this
  *	wireless device if it has no netdev
  * @current_bss: (private) Used by the internal configuration code
- * @channel: (private) Used by the internal configuration code to track
- *	the user-set AP, monitor and WDS channel
+ * @chandef: (private) Used by the internal configuration code to track
+ *	the user-set channel definition.
  * @preset_chandef: (private) Used by the internal configuration code to
  *	track the channel to be used for AP later
  * @bssid: (private) Used by the internal configuration code
@@ -3192,9 +3211,7 @@ struct wireless_dev {
 
 	struct cfg80211_internal_bss *current_bss; /* associated / joined */
 	struct cfg80211_chan_def preset_chandef;
-
-	/* for AP and mesh channel tracking */
-	struct ieee80211_channel *channel;
+	struct cfg80211_chan_def chandef;
 
 	bool ibss_fixed;
 	bool ibss_dfs_possible;
@@ -3876,6 +3893,7 @@ void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr,
  *
  * @dev: network device
  * @bssid: the BSSID of the IBSS joined
+ * @channel: the channel of the IBSS joined
  * @gfp: allocation flags
  *
  * This function notifies cfg80211 that the device joined an IBSS or
@@ -3885,7 +3903,8 @@ void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr,
  * with the locally generated beacon -- this guarantees that there is
  * always a scan result for this IBSS. cfg80211 will handle the rest.
  */
-void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, gfp_t gfp);
+void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
+			  struct ieee80211_channel *channel, gfp_t gfp);
 
 /**
  * cfg80211_notify_new_candidate - notify cfg80211 of a new mesh peer candidate
diff --git a/include/net/ieee80211_radiotap.h b/include/net/ieee80211_radiotap.h
index 8b5b71433297..b0fd9476c538 100644
--- a/include/net/ieee80211_radiotap.h
+++ b/include/net/ieee80211_radiotap.h
@@ -316,6 +316,10 @@ enum ieee80211_radiotap_type {
 #define IEEE80211_RADIOTAP_VHT_FLAG_LDPC_EXTRA_OFDM_SYM		0x10
 #define IEEE80211_RADIOTAP_VHT_FLAG_BEAMFORMED			0x20
 
+#define IEEE80211_RADIOTAP_CODING_LDPC_USER0			0x01
+#define IEEE80211_RADIOTAP_CODING_LDPC_USER1			0x02
+#define IEEE80211_RADIOTAP_CODING_LDPC_USER2			0x04
+#define IEEE80211_RADIOTAP_CODING_LDPC_USER3			0x08
 
 /* helpers */
 static inline int ieee80211_get_radiotap_len(unsigned char *data)
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index f4ab2fb4d50c..4f0f29dce0aa 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -808,9 +808,6 @@ ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info)
  * @RX_FLAG_HT: HT MCS was used and rate_idx is MCS index
  * @RX_FLAG_VHT: VHT MCS was used and rate_index is MCS index
  * @RX_FLAG_40MHZ: HT40 (40 MHz) was used
- * @RX_FLAG_80MHZ: 80 MHz was used
- * @RX_FLAG_80P80MHZ: 80+80 MHz was used
- * @RX_FLAG_160MHZ: 160 MHz was used
  * @RX_FLAG_SHORT_GI: Short guard interval was used
  * @RX_FLAG_NO_SIGNAL_VAL: The signal strength value is not present.
  *	Valid only for data frames (mainly A-MPDU)
@@ -830,6 +827,7 @@ 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_LDPC: LDPC was used
  * @RX_FLAG_STBC_MASK: STBC 2 bit bitmask. 1 - Nss=1, 2 - Nss=2, 3 - Nss=3
  * @RX_FLAG_10MHZ: 10 MHz (half channel) was used
  * @RX_FLAG_5MHZ: 5 MHz (quarter channel) was used
@@ -866,9 +864,7 @@ enum mac80211_rx_flags {
 	RX_FLAG_AMPDU_DELIM_CRC_KNOWN	= BIT(20),
 	RX_FLAG_MACTIME_END		= BIT(21),
 	RX_FLAG_VHT			= BIT(22),
-	RX_FLAG_80MHZ			= BIT(23),
-	RX_FLAG_80P80MHZ		= BIT(24),
-	RX_FLAG_160MHZ			= BIT(25),
+	RX_FLAG_LDPC			= BIT(23),
 	RX_FLAG_STBC_MASK		= BIT(26) | BIT(27),
 	RX_FLAG_10MHZ			= BIT(28),
 	RX_FLAG_5MHZ			= BIT(29),
@@ -878,6 +874,21 @@ enum mac80211_rx_flags {
 #define RX_FLAG_STBC_SHIFT		26
 
 /**
+ * enum mac80211_rx_vht_flags - receive VHT flags
+ *
+ * These flags are used with the @vht_flag member of
+ *	&struct ieee80211_rx_status.
+ * @RX_VHT_FLAG_80MHZ: 80 MHz was used
+ * @RX_VHT_FLAG_80P80MHZ: 80+80 MHz was used
+ * @RX_VHT_FLAG_160MHZ: 160 MHz was used
+ */
+enum mac80211_rx_vht_flags {
+	RX_VHT_FLAG_80MHZ		= BIT(0),
+	RX_VHT_FLAG_80P80MHZ		= BIT(1),
+	RX_VHT_FLAG_160MHZ		= BIT(2),
+};
+
+/**
  * struct ieee80211_rx_status - receive status
  *
  * The low-level driver should provide this information (the subset
@@ -902,26 +913,19 @@ enum mac80211_rx_flags {
  *	HT or VHT is used (%RX_FLAG_HT/%RX_FLAG_VHT)
  * @vht_nss: number of streams (VHT only)
  * @flag: %RX_FLAG_*
+ * @vht_flag: %RX_VHT_FLAG_*
  * @rx_flags: internal RX flags for mac80211
  * @ampdu_reference: A-MPDU reference number, must be a different value for
  *	each A-MPDU but the same for each subframe within one A-MPDU
  * @ampdu_delimiter_crc: A-MPDU delimiter CRC
- * @vendor_radiotap_bitmap: radiotap vendor namespace presence bitmap
- * @vendor_radiotap_len: radiotap vendor namespace length
- * @vendor_radiotap_align: radiotap vendor namespace alignment. Note
- *	that the actual data must be at the start of the SKB data
- *	already.
- * @vendor_radiotap_oui: radiotap vendor namespace OUI
- * @vendor_radiotap_subns: radiotap vendor sub namespace
  */
 struct ieee80211_rx_status {
 	u64 mactime;
 	u32 device_timestamp;
 	u32 ampdu_reference;
 	u32 flag;
-	u32 vendor_radiotap_bitmap;
-	u16 vendor_radiotap_len;
 	u16 freq;
+	u8 vht_flag;
 	u8 rate_idx;
 	u8 vht_nss;
 	u8 rx_flags;
@@ -931,9 +935,6 @@ struct ieee80211_rx_status {
 	u8 chains;
 	s8 chain_signal[IEEE80211_MAX_CHAINS];
 	u8 ampdu_delimiter_crc;
-	u8 vendor_radiotap_align;
-	u8 vendor_radiotap_oui[3];
-	u8 vendor_radiotap_subns;
 };
 
 /**
@@ -2750,11 +2751,13 @@ enum ieee80211_roc_type {
  * @channel_switch_beacon: Starts a channel switch to a new channel.
  *	Beacons are modified to include CSA or ECSA IEs before calling this
  *	function. The corresponding count fields in these IEs must be
- *	decremented, and when they reach zero the driver must call
+ *	decremented, and when they reach 1 the driver must call
  *	ieee80211_csa_finish(). Drivers which use ieee80211_beacon_get()
  *	get the csa counter decremented by mac80211, but must check if it is
- *	zero using ieee80211_csa_is_complete() after the beacon has been
+ *	1 using ieee80211_csa_is_complete() after the beacon has been
  *	transmitted and then call ieee80211_csa_finish().
+ *	If the CSA count starts as zero or 1, this function will not be called,
+ *	since there won't be any time to beacon before the switch anyway.
  *
  * @join_ibss: Join an IBSS (on an IBSS interface); this is called after all
  *	information in bss_conf is set up and the beacon can be retrieved. A
@@ -3452,13 +3455,13 @@ static inline struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
  * @vif: &struct ieee80211_vif pointer from the add_interface callback.
  *
  * After a channel switch announcement was scheduled and the counter in this
- * announcement hit zero, this function must be called by the driver to
+ * announcement hits 1, this function must be called by the driver to
  * notify mac80211 that the channel can be changed.
  */
 void ieee80211_csa_finish(struct ieee80211_vif *vif);
 
 /**
- * ieee80211_csa_is_complete - find out if counters reached zero
+ * ieee80211_csa_is_complete - find out if counters reached 1
  * @vif: &struct ieee80211_vif pointer from the add_interface callback.
  *
  * This function returns whether the channel switch counters reached zero.
@@ -4451,7 +4454,6 @@ struct ieee80211_tx_rate_control {
 };
 
 struct rate_control_ops {
-	struct module *module;
 	const char *name;
 	void *(*alloc)(struct ieee80211_hw *hw, struct dentry *debugfsdir);
 	void (*free)(void *priv);
@@ -4553,8 +4555,8 @@ int rate_control_set_rates(struct ieee80211_hw *hw,
 			   struct ieee80211_sta *pubsta,
 			   struct ieee80211_sta_rates *rates);
 
-int ieee80211_rate_control_register(struct rate_control_ops *ops);
-void ieee80211_rate_control_unregister(struct rate_control_ops *ops);
+int ieee80211_rate_control_register(const struct rate_control_ops *ops);
+void ieee80211_rate_control_unregister(const struct rate_control_ops *ops);
 
 static inline bool
 conf_is_ht20(struct ieee80211_conf *conf)