1 files changed, 73 insertions, 27 deletions

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 29c7be8808d5..d52914b75331 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -376,6 +376,12 @@ enum ieee80211_rssi_event {
  * @ssid_len: Length of SSID given in @ssid.
  * @hidden_ssid: The SSID of the current vif is hidden. Only valid in AP-mode.
  * @txpower: TX power in dBm
+ * @txpower_type: TX power adjustment used to control per packet Transmit
+ *      Power Control (TPC) in lower driver for the current vif. In particular
+ *      TPC is enabled if value passed in %txpower_type is
+ *      NL80211_TX_POWER_LIMITED (allow using less than specified from
+ *      userspace), whereas TPC is disabled if %txpower_type is set to
+ *      NL80211_TX_POWER_FIXED (use value configured from userspace)
  * @p2p_noa_attr: P2P NoA attribute for P2P powersave
  */
 struct ieee80211_bss_conf {
@@ -411,6 +417,7 @@ struct ieee80211_bss_conf {
         size_t ssid_len;
         bool hidden_ssid;
         int txpower;
+        enum nl80211_tx_power_setting txpower_type;
         struct ieee80211_p2p_noa_attr p2p_noa_attr;
 };
 
@@ -505,8 +512,11 @@ struct ieee80211_bss_conf {
  * @IEEE80211_TX_CTL_DONTFRAG: Don't fragment this packet even if it
  *      would be fragmented by size (this is optional, only used for
  *      monitor injection).
- * @IEEE80211_TX_CTL_PS_RESPONSE: This frame is a response to a poll
- *      frame (PS-Poll or uAPSD).
+ * @IEEE80211_TX_STAT_NOACK_TRANSMITTED: A frame that was marked with
+ *      IEEE80211_TX_CTL_NO_ACK has been successfully transmitted without
+ *      any errors (like issues specific to the driver/HW).
+ *      This flag must not be set for frames that don't request no-ack
+ *      behaviour with IEEE80211_TX_CTL_NO_ACK.
  *
  * Note: If you have to add new flags to the enumeration, then don't
  *       forget to update %IEEE80211_TX_TEMPORARY_FLAGS when necessary.
@@ -542,7 +552,7 @@ enum mac80211_tx_info_flags {
         IEEE80211_TX_STATUS_EOSP                = BIT(28),
         IEEE80211_TX_CTL_USE_MINRATE            = BIT(29),
         IEEE80211_TX_CTL_DONTFRAG               = BIT(30),
-        IEEE80211_TX_CTL_PS_RESPONSE            = BIT(31),
+        IEEE80211_TX_STAT_NOACK_TRANSMITTED     = BIT(31),
 };
 
 #define IEEE80211_TX_CTL_STBC_SHIFT             23
@@ -552,11 +562,14 @@ enum mac80211_tx_info_flags {
  *
  * @IEEE80211_TX_CTRL_PORT_CTRL_PROTO: this frame is a port control
  *      protocol frame (e.g. EAP)
+ * @IEEE80211_TX_CTRL_PS_RESPONSE: This frame is a response to a poll
+ *      frame (PS-Poll or uAPSD).
  *
  * These flags are used in tx_info->control.flags.
  */
 enum mac80211_tx_control_flags {
         IEEE80211_TX_CTRL_PORT_CTRL_PROTO       = BIT(0),
+        IEEE80211_TX_CTRL_PS_RESPONSE           = BIT(1),
 };
 
 /*
@@ -925,15 +938,13 @@ enum mac80211_rx_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
  * @RX_VHT_FLAG_BF: packet was beamformed
  */
 enum mac80211_rx_vht_flags {
         RX_VHT_FLAG_80MHZ               = BIT(0),
-        RX_VHT_FLAG_80P80MHZ            = BIT(1),
-        RX_VHT_FLAG_160MHZ              = BIT(2),
-        RX_VHT_FLAG_BF                  = BIT(3),
+        RX_VHT_FLAG_160MHZ              = BIT(1),
+        RX_VHT_FLAG_BF                  = BIT(2),
 };
 
 /**
@@ -1181,10 +1192,15 @@ struct ieee80211_channel_switch {
  *      monitoring on this virtual interface -- i.e. it can monitor
  *      connection quality related parameters, such as the RSSI level and
  *      provide notifications if configured trigger levels are reached.
+ * @IEEE80211_VIF_SUPPORTS_UAPSD: The device can do U-APSD for this
+ *      interface. This flag should be set during interface addition,
+ *      but may be set/cleared as late as authentication to an AP. It is
+ *      only valid for managed/station mode interfaces.
  */
 enum ieee80211_vif_flags {
         IEEE80211_VIF_BEACON_FILTER             = BIT(0),
         IEEE80211_VIF_SUPPORTS_CQM_RSSI         = BIT(1),
+        IEEE80211_VIF_SUPPORTS_UAPSD            = BIT(2),
 };
 
 /**
@@ -1270,19 +1286,22 @@ struct ieee80211_vif *wdev_to_ieee80211_vif(struct wireless_dev *wdev);
  *
  * @IEEE80211_KEY_FLAG_GENERATE_IV: This flag should be set by the
  *      driver to indicate that it requires IV generation for this
- *      particular key.
+ *      particular key. Setting this flag does not necessarily mean that SKBs
+ *      will have sufficient tailroom for ICV or MIC.
  * @IEEE80211_KEY_FLAG_GENERATE_MMIC: This flag should be set by
  *      the driver for a TKIP key if it requires Michael MIC
  *      generation in software.
  * @IEEE80211_KEY_FLAG_PAIRWISE: Set by mac80211, this flag indicates
  *      that the key is pairwise rather then a shared key.
  * @IEEE80211_KEY_FLAG_SW_MGMT_TX: This flag should be set by the driver for a
- *      CCMP key if it requires CCMP encryption of management frames (MFP) to
- *      be done in software.
+ *      CCMP/GCMP key if it requires CCMP/GCMP encryption of management frames
+ *      (MFP) to be done in software.
  * @IEEE80211_KEY_FLAG_PUT_IV_SPACE: This flag should be set by the driver
  *      if space should be prepared for the IV, but the IV
  *      itself should not be generated. Do not set together with
- *      @IEEE80211_KEY_FLAG_GENERATE_IV on the same key.
+ *      @IEEE80211_KEY_FLAG_GENERATE_IV on the same key. Setting this flag does
+ *      not necessarily mean that SKBs will have sufficient tailroom for ICV or
+ *      MIC.
  * @IEEE80211_KEY_FLAG_RX_MGMT: This key will be used to decrypt received
  *      management frames. The flag can help drivers that have a hardware
  *      crypto implementation that doesn't deal with management frames
@@ -1291,8 +1310,11 @@ struct ieee80211_vif *wdev_to_ieee80211_vif(struct wireless_dev *wdev);
  *      RX, if your crypto engine can't deal with TX you can also set the
  *      %IEEE80211_KEY_FLAG_SW_MGMT_TX flag to encrypt such frames in SW.
  * @IEEE80211_KEY_FLAG_GENERATE_IV_MGMT: This flag should be set by the
- *      driver for a CCMP key to indicate that is requires IV generation
+ *      driver for a CCMP/GCMP key to indicate that is requires IV generation
  *      only for managment frames (MFP).
+ * @IEEE80211_KEY_FLAG_RESERVE_TAILROOM: This flag should be set by the
+ *      driver for a key to indicate that sufficient tailroom must always
+ *      be reserved for ICV or MIC, even when HW encryption is enabled.
  */
 enum ieee80211_key_flags {
         IEEE80211_KEY_FLAG_GENERATE_IV_MGMT     = BIT(0),
@@ -1302,6 +1324,7 @@ enum ieee80211_key_flags {
         IEEE80211_KEY_FLAG_SW_MGMT_TX           = BIT(4),
         IEEE80211_KEY_FLAG_PUT_IV_SPACE         = BIT(5),
         IEEE80211_KEY_FLAG_RX_MGMT              = BIT(6),
+        IEEE80211_KEY_FLAG_RESERVE_TAILROOM     = BIT(7),
 };
 
 /**
@@ -1580,11 +1603,6 @@ struct ieee80211_tx_control {
  * @IEEE80211_HW_MFP_CAPABLE:
  *      Hardware supports management frame protection (MFP, IEEE 802.11w).
  *
- * @IEEE80211_HW_SUPPORTS_UAPSD:
- *      Hardware supports Unscheduled Automatic Power Save Delivery
- *      (U-APSD) in managed mode. The mode is configured with
- *      conf_tx() operation.
- *
  * @IEEE80211_HW_REPORTS_TX_ACK_STATUS:
  *      Hardware can provide ack status reports of Tx frames to
  *      the stack.
@@ -1623,6 +1641,12 @@ struct ieee80211_tx_control {
  *      be created.  It is expected user-space will create vifs as
  *      desired (and thus have them named as desired).
  *
+ * @IEEE80211_HW_SW_CRYPTO_CONTROL: The driver wants to control which of the
+ *      crypto algorithms can be done in software - so don't automatically
+ *      try to fall back to it if hardware crypto fails, but do so only if
+ *      the driver returns 1. This also forces the driver to advertise its
+ *      supported cipher suites.
+ *
  * @IEEE80211_HW_QUEUE_CONTROL: The driver wants to control per-interface
  *      queue mapping in order to use different queues (not just one per AC)
  *      for different virtual interfaces. See the doc section on HW queue
@@ -1670,8 +1694,8 @@ enum ieee80211_hw_flags {
         IEEE80211_HW_MFP_CAPABLE                        = 1<<13,
         IEEE80211_HW_WANT_MONITOR_VIF                   = 1<<14,
         IEEE80211_HW_NO_AUTO_VIF                        = 1<<15,
-        /* free slot */
-        IEEE80211_HW_SUPPORTS_UAPSD                     = 1<<17,
+        IEEE80211_HW_SW_CRYPTO_CONTROL                  = 1<<16,
+        /* free slots */
         IEEE80211_HW_REPORTS_TX_ACK_STATUS              = 1<<18,
         IEEE80211_HW_CONNECTION_MONITOR                 = 1<<19,
         IEEE80211_HW_QUEUE_CONTROL                      = 1<<20,
@@ -1945,6 +1969,11 @@ void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb);
  * added; if you return 0 then hw_key_idx must be assigned to the
  * hardware key index, you are free to use the full u8 range.
  *
+ * Note that in the case that the @IEEE80211_HW_SW_CRYPTO_CONTROL flag is
+ * set, mac80211 will not automatically fall back to software crypto if
+ * enabling hardware crypto failed. The set_key() call may also return the
+ * value 1 to permit this specific key/algorithm to be done in software.
+ *
  * When the cmd is %DISABLE_KEY then it must succeed.
  *
  * Note that it is permissible to not decrypt a frame even if a key
@@ -2023,7 +2052,7 @@ void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb);
  * enabled whenever user has enabled powersave.
  *
  * Driver informs U-APSD client support by enabling
- * %IEEE80211_HW_SUPPORTS_UAPSD flag. The mode is configured through the
+ * %IEEE80211_VIF_SUPPORTS_UAPSD flag. The mode is configured through the
  * uapsd parameter in conf_tx() operation. Hardware needs to send the QoS
  * Nullfunc frames and stay awake until the service period has ended. To
  * utilize U-APSD, dynamic powersave is disabled for voip AC and all frames
@@ -2696,6 +2725,14 @@ enum ieee80211_reconfig_type {
  *      is only used if the configured rate control algorithm actually uses
  *      the new rate table API, and is therefore optional. Must be atomic.
  *
+ * @sta_statistics: Get statistics for this station. For example with beacon
+ *      filtering, the statistics kept by mac80211 might not be accurate, so
+ *      let the driver pre-fill the statistics. The driver can fill most of
+ *      the values (indicating which by setting the filled bitmap), but not
+ *      all of them make sense - see the source for which ones are possible.
+ *      Statistics that the driver doesn't fill will be filled by mac80211.
+ *      The callback can sleep.
+ *
  * @conf_tx: Configure TX queue parameters (EDCF (aifs, cw_min, cw_max),
  *      bursting) for a hardware TX queue.
  *      Returns a negative error code on failure.
@@ -2856,9 +2893,6 @@ enum ieee80211_reconfig_type {
  * @get_et_strings:  Ethtool API to get a set of strings to describe stats
  *      and perhaps other supported types of ethtool data-sets.
  *
- * @get_rssi: Get current signal strength in dBm, the function is optional
- *      and can sleep.
- *
  * @mgd_prepare_tx: Prepare for transmitting a management frame for association
  *      before associated. In multi-channel scenarios, a virtual interface is
  *      bound to a channel before it is associated, but as it isn't associated
@@ -3059,6 +3093,10 @@ struct ieee80211_ops {
         void (*sta_rate_tbl_update)(struct ieee80211_hw *hw,
                                     struct ieee80211_vif *vif,
                                     struct ieee80211_sta *sta);
+        void (*sta_statistics)(struct ieee80211_hw *hw,
+                               struct ieee80211_vif *vif,
+                               struct ieee80211_sta *sta,
+                               struct station_info *sinfo);
         int (*conf_tx)(struct ieee80211_hw *hw,
                        struct ieee80211_vif *vif, u16 ac,
                        const struct ieee80211_tx_queue_params *params);
@@ -3126,8 +3164,6 @@ struct ieee80211_ops {
         void    (*get_et_strings)(struct ieee80211_hw *hw,
                                   struct ieee80211_vif *vif,
                                   u32 sset, u8 *data);
-        int     (*get_rssi)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
-                            struct ieee80211_sta *sta, s8 *rssi_dbm);
 
         void    (*mgd_prepare_tx)(struct ieee80211_hw *hw,
                                   struct ieee80211_vif *vif);
@@ -4062,6 +4098,10 @@ void ieee80211_aes_cmac_calculate_k1_k2(struct ieee80211_key_conf *keyconf,
  *      reverse order than in packet)
  * @aes_cmac: PN data, most significant byte first (big endian,
  *      reverse order than in packet)
+ * @aes_gmac: PN data, most significant byte first (big endian,
+ *      reverse order than in packet)
+ * @gcmp: PN data, most significant byte first (big endian,
+ *      reverse order than in packet)
  */
 struct ieee80211_key_seq {
         union {
@@ -4075,6 +4115,12 @@ struct ieee80211_key_seq {
                 struct {
                         u8 pn[6];
                 } aes_cmac;
+                struct {
+                        u8 pn[6];
+                } aes_gmac;
+                struct {
+                        u8 pn[6];
+                } gcmp;
         };
 };
 
@@ -4099,7 +4145,7 @@ void ieee80211_get_key_tx_seq(struct ieee80211_key_conf *keyconf,
  * ieee80211_get_key_rx_seq - get key RX sequence counter
  *
  * @keyconf: the parameter passed with the set key
- * @tid: The TID, or -1 for the management frame value (CCMP only);
+ * @tid: The TID, or -1 for the management frame value (CCMP/GCMP only);
  *      the value on TID 0 is also used for non-QoS frames. For
  *      CMAC, only TID 0 is valid.
  * @seq: buffer to receive the sequence data
@@ -4135,7 +4181,7 @@ void ieee80211_set_key_tx_seq(struct ieee80211_key_conf *keyconf,
  * ieee80211_set_key_rx_seq - set key RX sequence counter
  *
  * @keyconf: the parameter passed with the set key
- * @tid: The TID, or -1 for the management frame value (CCMP only);
+ * @tid: The TID, or -1 for the management frame value (CCMP/GCMP only);
  *      the value on TID 0 is also used for non-QoS frames. For
  *      CMAC, only TID 0 is valid.
  * @seq: new sequence data