Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

5 files changed, 111 insertions, 37 deletions

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 06b0ed0154a4..d826e5a84af0 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 26b5b692c22b..b3b076a46d50 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 c3999632e616..c6d07cb074bc 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 04c2d4670dc6..1f0014bd4d87 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 d1e48b5e348f..32b060ea5266 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,