3 files changed, 172 insertions, 26 deletions

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 7b0730aeb892..aeaf6dff6e05 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -461,6 +461,33 @@ ieee80211_chandef_rate_flags(struct cfg80211_chan_def *chandef)
 }
 
 /**
+ * ieee80211_chandef_max_power - maximum transmission power for the chandef
+ *
+ * In some regulations, the transmit power may depend on the configured channel
+ * bandwidth which may be defined as dBm/MHz. This function returns the actual
+ * max_power for non-standard (20 MHz) channels.
+ *
+ * @chandef: channel definition for the channel
+ *
+ * Returns: maximum allowed transmission power in dBm for the chandef
+ */
+static inline int
+ieee80211_chandef_max_power(struct cfg80211_chan_def *chandef)
+{
+        switch (chandef->width) {
+        case NL80211_CHAN_WIDTH_5:
+                return min(chandef->chan->max_reg_power - 6,
+                           chandef->chan->max_power);
+        case NL80211_CHAN_WIDTH_10:
+                return min(chandef->chan->max_reg_power - 3,
+                           chandef->chan->max_power);
+        default:
+                break;
+        }
+        return chandef->chan->max_power;
+}
+
+/**
  * enum survey_info_flags - survey information flags
  *
  * @SURVEY_INFO_NOISE_DBM: noise (in dBm) was filled in
@@ -490,7 +517,7 @@ enum survey_info_flags {
  * @channel: the channel this survey record reports, mandatory
  * @filled: bitflag of flags from &enum survey_info_flags
  * @noise: channel noise in dBm. This and all following fields are
- *     optional
+ *      optional
  * @channel_time: amount of time in ms the radio spent on the channel
  * @channel_time_busy: amount of time the primary channel was sensed busy
  * @channel_time_ext_busy: amount of time the extension channel was sensed busy
@@ -546,9 +573,9 @@ struct cfg80211_crypto_settings {
 /**
  * struct cfg80211_beacon_data - beacon data
  * @head: head portion of beacon (before TIM IE)
- *     or %NULL if not changed
+ *      or %NULL if not changed
  * @tail: tail portion of beacon (after TIM IE)
- *     or %NULL if not changed
+ *      or %NULL if not changed
  * @head_len: length of @head
  * @tail_len: length of @tail
  * @beacon_ies: extra information element(s) to add into Beacon frames or %NULL
@@ -764,7 +791,7 @@ int cfg80211_check_station_change(struct wiphy *wiphy,
  * @STATION_INFO_PLINK_STATE: @plink_state filled
  * @STATION_INFO_SIGNAL: @signal filled
  * @STATION_INFO_TX_BITRATE: @txrate fields are filled
- *  (tx_bitrate, tx_bitrate_flags and tx_bitrate_mcs)
+ *      (tx_bitrate, tx_bitrate_flags and tx_bitrate_mcs)
  * @STATION_INFO_RX_PACKETS: @rx_packets filled with 32-bit value
  * @STATION_INFO_TX_PACKETS: @tx_packets filled with 32-bit value
  * @STATION_INFO_TX_RETRIES: @tx_retries filled
@@ -1285,6 +1312,7 @@ struct cfg80211_ssid {
  * @n_ssids: number of SSIDs
  * @channels: channels to scan on.
  * @n_channels: total number of channels to scan
+ * @scan_width: channel width for scanning
  * @ie: optional information element(s) to add into Probe Request or %NULL
  * @ie_len: length of ie in octets
  * @flags: bit field of flags controlling operation
@@ -1300,6 +1328,7 @@ struct cfg80211_scan_request {
         struct cfg80211_ssid *ssids;
         int n_ssids;
         u32 n_channels;
+        enum nl80211_bss_scan_width scan_width;
         const u8 *ie;
         size_t ie_len;
         u32 flags;
@@ -1333,6 +1362,7 @@ struct cfg80211_match_set {
  * @ssids: SSIDs to scan for (passed in the probe_reqs in active scans)
  * @n_ssids: number of SSIDs
  * @n_channels: total number of channels to scan
+ * @scan_width: channel width for scanning
  * @interval: interval between each scheduled scan cycle
  * @ie: optional information element(s) to add into Probe Request or %NULL
  * @ie_len: length of ie in octets
@@ -1352,6 +1382,7 @@ struct cfg80211_sched_scan_request {
         struct cfg80211_ssid *ssids;
         int n_ssids;
         u32 n_channels;
+        enum nl80211_bss_scan_width scan_width;
         u32 interval;
         const u8 *ie;
         size_t ie_len;
@@ -1403,6 +1434,7 @@ struct cfg80211_bss_ies {
  * for use in scan results and similar.
  *
  * @channel: channel this BSS is on
+ * @scan_width: width of the control channel
  * @bssid: BSSID of the BSS
  * @beacon_interval: the beacon interval as from the frame
  * @capability: the capability field in host byte order
@@ -1424,6 +1456,7 @@ struct cfg80211_bss_ies {
  */
 struct cfg80211_bss {
         struct ieee80211_channel *channel;
+        enum nl80211_bss_scan_width scan_width;
 
         const struct cfg80211_bss_ies __rcu *ies;
         const struct cfg80211_bss_ies __rcu *beacon_ies;
@@ -1509,7 +1542,7 @@ enum cfg80211_assoc_req_flags {
  * @prev_bssid: previous BSSID, if not %NULL use reassociate frame
  * @flags:  See &enum cfg80211_assoc_req_flags
  * @ht_capa:  HT Capabilities over-rides.  Values set in ht_capa_mask
- *   will be used in ht_capa.  Un-supported values will be ignored.
+ *      will be used in ht_capa.  Un-supported values will be ignored.
  * @ht_capa_mask:  The bits of ht_capa which are to be used.
  * @vht_capa: VHT capability override
  * @vht_capa_mask: VHT capability mask indicating which fields to use
@@ -1592,6 +1625,9 @@ struct cfg80211_disassoc_request {
  *      user space. Otherwise, port is marked authorized by default.
  * @basic_rates: bitmap of basic rates to use when creating the IBSS
  * @mcast_rate: per-band multicast rate index + 1 (0: disabled)
+ * @ht_capa:  HT Capabilities over-rides.  Values set in ht_capa_mask
+ *      will be used in ht_capa.  Un-supported values will be ignored.
+ * @ht_capa_mask:  The bits of ht_capa which are to be used.
  */
 struct cfg80211_ibss_params {
         u8 *ssid;
@@ -1605,6 +1641,8 @@ struct cfg80211_ibss_params {
         bool privacy;
         bool control_port;
         int mcast_rate[IEEE80211_NUM_BANDS];
+        struct ieee80211_ht_cap ht_capa;
+        struct ieee80211_ht_cap ht_capa_mask;
 };
 
 /**
@@ -1630,9 +1668,9 @@ struct cfg80211_ibss_params {
  * @key: WEP key for shared key authentication
  * @flags:  See &enum cfg80211_assoc_req_flags
  * @bg_scan_period:  Background scan period in seconds
- *   or -1 to indicate that default value is to be used.
+ *      or -1 to indicate that default value is to be used.
  * @ht_capa:  HT Capabilities over-rides.  Values set in ht_capa_mask
- *   will be used in ht_capa.  Un-supported values will be ignored.
+ *      will be used in ht_capa.  Un-supported values will be ignored.
  * @ht_capa_mask:  The bits of ht_capa which are to be used.
  * @vht_capa:  VHT Capability overrides
  * @vht_capa_mask: The bits of vht_capa which are to be used.
@@ -1698,7 +1736,7 @@ struct cfg80211_pmksa {
 };
 
 /**
- * struct cfg80211_wowlan_trig_pkt_pattern - packet pattern
+ * struct cfg80211_pkt_pattern - packet pattern
  * @mask: bitmask where to match pattern and where to ignore bytes,
  *      one bit per byte, in same format as nl80211
  * @pattern: bytes to match where bitmask is 1
@@ -1708,7 +1746,7 @@ struct cfg80211_pmksa {
  * Internal note: @mask and @pattern are allocated in one chunk of
  * memory, free @mask only!
  */
-struct cfg80211_wowlan_trig_pkt_pattern {
+struct cfg80211_pkt_pattern {
         u8 *mask, *pattern;
         int pattern_len;
         int pkt_offset;
@@ -1770,12 +1808,41 @@ struct cfg80211_wowlan {
         bool any, disconnect, magic_pkt, gtk_rekey_failure,
              eap_identity_req, four_way_handshake,
              rfkill_release;
-        struct cfg80211_wowlan_trig_pkt_pattern *patterns;
+        struct cfg80211_pkt_pattern *patterns;
         struct cfg80211_wowlan_tcp *tcp;
         int n_patterns;
 };
 
 /**
+ * struct cfg80211_coalesce_rules - Coalesce rule parameters
+ *
+ * This structure defines coalesce rule for the device.
+ * @delay: maximum coalescing delay in msecs.
+ * @condition: condition for packet coalescence.
+ *      see &enum nl80211_coalesce_condition.
+ * @patterns: array of packet patterns
+ * @n_patterns: number of patterns
+ */
+struct cfg80211_coalesce_rules {
+        int delay;
+        enum nl80211_coalesce_condition condition;
+        struct cfg80211_pkt_pattern *patterns;
+        int n_patterns;
+};
+
+/**
+ * struct cfg80211_coalesce - Packet coalescing settings
+ *
+ * This structure defines coalescing settings.
+ * @rules: array of coalesce rules
+ * @n_rules: number of rules
+ */
+struct cfg80211_coalesce {
+        struct cfg80211_coalesce_rules *rules;
+        int n_rules;
+};
+
+/**
  * struct cfg80211_wowlan_wakeup - wakeup report
  * @disconnect: woke up by getting disconnected
  * @magic_pkt: woke up by receiving magic packet
@@ -2071,6 +2138,7 @@ struct cfg80211_update_ft_ies_params {
  *      driver can take the most appropriate actions.
  * @crit_proto_stop: Indicates critical protocol no longer needs increased link
  *      reliability. This operation can not fail.
+ * @set_coalesce: Set coalesce parameters.
  */
 struct cfg80211_ops {
         int     (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
@@ -2306,6 +2374,8 @@ struct cfg80211_ops {
                                     u16 duration);
         void    (*crit_proto_stop)(struct wiphy *wiphy,
                                    struct wireless_dev *wdev);
+        int     (*set_coalesce)(struct wiphy *wiphy,
+                                struct cfg80211_coalesce *coalesce);
 };
 
 /*
@@ -2532,6 +2602,25 @@ struct wiphy_wowlan_support {
 };
 
 /**
+ * struct wiphy_coalesce_support - coalesce support data
+ * @n_rules: maximum number of coalesce rules
+ * @max_delay: maximum supported coalescing delay in msecs
+ * @n_patterns: number of supported patterns in a rule
+ *      (see nl80211.h for the pattern definition)
+ * @pattern_max_len: maximum length of each pattern
+ * @pattern_min_len: minimum length of each pattern
+ * @max_pkt_offset: maximum Rx packet offset
+ */
+struct wiphy_coalesce_support {
+        int n_rules;
+        int max_delay;
+        int n_patterns;
+        int pattern_max_len;
+        int pattern_min_len;
+        int max_pkt_offset;
+};
+
+/**
  * struct wiphy - wireless hardware description
  * @reg_notifier: the driver's regulatory notification callback,
  *      note that if your driver uses wiphy_apply_custom_regulatory()
@@ -2641,6 +2730,7 @@ struct wiphy_wowlan_support {
  *      802.11-2012 8.4.2.29 for the defined fields.
  * @extended_capabilities_mask: mask of the valid values
  * @extended_capabilities_len: length of the extended capabilities
+ * @coalesce: packet coalescing support information
  */
 struct wiphy {
         /* assign these fields before you register the wiphy */
@@ -2750,6 +2840,8 @@ struct wiphy {
         const struct iw_handler_def *wext;
 #endif
 
+        const struct wiphy_coalesce_support *coalesce;
+
         char priv[0] __aligned(NETDEV_ALIGN);
 };
 
@@ -3063,11 +3155,13 @@ ieee80211_get_response_rate(struct ieee80211_supported_band *sband,
 /**
  * ieee80211_mandatory_rates - get mandatory rates for a given band
  * @sband: the band to look for rates in
+ * @scan_width: width of the control channel
  *
  * 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);
+u32 ieee80211_mandatory_rates(struct ieee80211_supported_band *sband,
+                              enum nl80211_bss_scan_width scan_width);
 
 /*
  * Radiotap parsing functions -- for controlled injection support
@@ -3379,10 +3473,11 @@ void cfg80211_sched_scan_results(struct wiphy *wiphy);
 void cfg80211_sched_scan_stopped(struct wiphy *wiphy);
 
 /**
- * cfg80211_inform_bss_frame - inform cfg80211 of a received BSS frame
+ * cfg80211_inform_bss_width_frame - inform cfg80211 of a received BSS frame
  *
  * @wiphy: the wiphy reporting the BSS
  * @channel: The channel the frame was received on
+ * @scan_width: width of the control channel
  * @mgmt: the management frame (probe response or beacon)
  * @len: length of the management frame
  * @signal: the signal strength, type depends on the wiphy's signal_type
@@ -3395,16 +3490,29 @@ void cfg80211_sched_scan_stopped(struct wiphy *wiphy);
  * Or %NULL on error.
  */
 struct cfg80211_bss * __must_check
+cfg80211_inform_bss_width_frame(struct wiphy *wiphy,
+                                struct ieee80211_channel *channel,
+                                enum nl80211_bss_scan_width scan_width,
+                                struct ieee80211_mgmt *mgmt, size_t len,
+                                s32 signal, gfp_t gfp);
+
+static inline struct cfg80211_bss * __must_check
 cfg80211_inform_bss_frame(struct wiphy *wiphy,
                           struct ieee80211_channel *channel,
                           struct ieee80211_mgmt *mgmt, size_t len,
-                          s32 signal, gfp_t gfp);
+                          s32 signal, gfp_t gfp)
+{
+        return cfg80211_inform_bss_width_frame(wiphy, channel,
+                                               NL80211_BSS_CHAN_WIDTH_20,
+                                               mgmt, len, signal, gfp);
+}
 
 /**
  * cfg80211_inform_bss - inform cfg80211 of a new BSS
  *
  * @wiphy: the wiphy reporting the BSS
  * @channel: The channel the frame was received on
+ * @scan_width: width of the control channel
  * @bssid: the BSSID of the BSS
  * @tsf: the TSF sent by the peer in the beacon/probe response (or 0)
  * @capability: the capability field sent by the peer
@@ -3421,11 +3529,26 @@ cfg80211_inform_bss_frame(struct wiphy *wiphy,
  * Or %NULL on error.
  */
 struct cfg80211_bss * __must_check
+cfg80211_inform_bss_width(struct wiphy *wiphy,
+                          struct ieee80211_channel *channel,
+                          enum nl80211_bss_scan_width scan_width,
+                          const u8 *bssid, u64 tsf, u16 capability,
+                          u16 beacon_interval, const u8 *ie, size_t ielen,
+                          s32 signal, gfp_t gfp);
+
+static inline struct cfg80211_bss * __must_check
 cfg80211_inform_bss(struct wiphy *wiphy,
                     struct ieee80211_channel *channel,
                     const u8 *bssid, u64 tsf, u16 capability,
                     u16 beacon_interval, const u8 *ie, size_t ielen,
-                    s32 signal, gfp_t gfp);
+                    s32 signal, gfp_t gfp)
+{
+        return cfg80211_inform_bss_width(wiphy, channel,
+                                         NL80211_BSS_CHAN_WIDTH_20,
+                                         bssid, tsf, capability,
+                                         beacon_interval, ie, ielen, signal,
+                                         gfp);
+}
 
 struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy,
                                       struct ieee80211_channel *channel,
@@ -3471,6 +3594,19 @@ void cfg80211_put_bss(struct wiphy *wiphy, struct cfg80211_bss *bss);
  */
 void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *bss);
 
+static inline enum nl80211_bss_scan_width
+cfg80211_chandef_to_scan_width(const struct cfg80211_chan_def *chandef)
+{
+        switch (chandef->width) {
+        case NL80211_CHAN_WIDTH_5:
+                return NL80211_BSS_CHAN_WIDTH_5;
+        case NL80211_CHAN_WIDTH_10:
+                return NL80211_BSS_CHAN_WIDTH_10;
+        default:
+                return NL80211_BSS_CHAN_WIDTH_20;
+        }
+}
+
 /**
  * cfg80211_rx_mlme_mgmt - notification of processed MLME management frame
  * @dev: network device
diff --git a/include/net/ieee80211_radiotap.h b/include/net/ieee80211_radiotap.h
index c6d07cb074bc..8b5b71433297 100644
--- a/include/net/ieee80211_radiotap.h
+++ b/include/net/ieee80211_radiotap.h
@@ -230,6 +230,10 @@ enum ieee80211_radiotap_type {
 #define IEEE80211_CHAN_PASSIVE  0x0200  /* Only passive scan allowed */
 #define IEEE80211_CHAN_DYN      0x0400  /* Dynamic CCK-OFDM channel */
 #define IEEE80211_CHAN_GFSK     0x0800  /* GFSK channel (FHSS PHY) */
+#define IEEE80211_CHAN_GSM      0x1000  /* GSM (900 MHz) */
+#define IEEE80211_CHAN_STURBO   0x2000  /* Static Turbo */
+#define IEEE80211_CHAN_HALF     0x4000  /* Half channel (10 MHz wide) */
+#define IEEE80211_CHAN_QUARTER  0x8000  /* Quarter channel (5 MHz wide) */
 
 /* For IEEE80211_RADIOTAP_FLAGS */
 #define IEEE80211_RADIOTAP_F_CFP        0x01    /* sent/received
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 5b7a3dadadde..3124036285eb 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -811,6 +811,8 @@ ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info)
  * @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
+ * @RX_FLAG_10MHZ: 10 MHz (half channel) was used
+ * @RX_FLAG_5MHZ: 5 MHz (quarter channel) was used
  */
 enum mac80211_rx_flags {
         RX_FLAG_MMIC_ERROR              = BIT(0),
@@ -839,6 +841,8 @@ enum mac80211_rx_flags {
         RX_FLAG_80P80MHZ                = BIT(24),
         RX_FLAG_160MHZ                  = BIT(25),
         RX_FLAG_STBC_MASK               = BIT(26) | BIT(27),
+        RX_FLAG_10MHZ                   = BIT(28),
+        RX_FLAG_5MHZ                    = BIT(29),
 };
 
 #define RX_FLAG_STBC_SHIFT              26
@@ -1004,11 +1008,11 @@ enum ieee80211_smps_mode {
  * @radar_enabled: whether radar detection is enabled
  *
  * @long_frame_max_tx_count: Maximum number of transmissions for a "long" frame
- *    (a frame not RTS protected), called "dot11LongRetryLimit" in 802.11,
- *    but actually means the number of transmissions not the number of retries
+ *      (a frame not RTS protected), called "dot11LongRetryLimit" in 802.11,
+ *      but actually means the number of transmissions not the number of retries
  * @short_frame_max_tx_count: Maximum number of transmissions for a "short"
- *    frame, called "dot11ShortRetryLimit" in 802.11, but actually means the
- *    number of transmissions not the number of retries
+ *      frame, called "dot11ShortRetryLimit" in 802.11, but actually means the
+ *      number of transmissions not the number of retries
  *
  * @smps_mode: spatial multiplexing powersave mode; note that
  *      %IEEE80211_SMPS_STATIC is used when the device is not
@@ -1092,7 +1096,7 @@ enum ieee80211_vif_flags {
  *      be off when it is %NULL there can still be races and packets could be
  *      processed after it switches back to %NULL.
  * @debugfs_dir: debugfs dentry, can be used by drivers to create own per
- *      interface debug files. Note that it will be NULL for the virtual
+ *      interface debug files. Note that it will be NULL for the virtual
  *      monitor interface (if that is requested.)
  * @drv_priv: data area for driver use, will always be aligned to
  *      sizeof(void *).
@@ -1425,10 +1429,10 @@ struct ieee80211_tx_control {
  *      the stack.
  *
  * @IEEE80211_HW_CONNECTION_MONITOR:
- *      The hardware performs its own connection monitoring, including
- *      periodic keep-alives to the AP and probing the AP on beacon loss.
- *      When this flag is set, signaling beacon-loss will cause an immediate
- *      change to disassociated state.
+ *      The hardware performs its own connection monitoring, including
+ *      periodic keep-alives to the AP and probing the AP on beacon loss.
+ *      When this flag is set, signaling beacon-loss will cause an immediate
+ *      change to disassociated state.
  *
  * @IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC:
  *      This device needs to get data from beacon before association (i.e.
@@ -1526,10 +1530,10 @@ enum ieee80211_hw_flags {
  * @channel_change_time: time (in microseconds) it takes to change channels.
  *
  * @max_signal: Maximum value for signal (rssi) in RX information, used
- *     only when @IEEE80211_HW_SIGNAL_UNSPEC or @IEEE80211_HW_SIGNAL_DB
+ *      only when @IEEE80211_HW_SIGNAL_UNSPEC or @IEEE80211_HW_SIGNAL_DB
  *
  * @max_listen_interval: max listen interval in units of beacon interval
- *     that HW supports
+ *      that HW supports
  *
  * @queues: number of available hardware transmit queues for
  *      data packets. WMM/QoS requires at least four, these
@@ -2443,7 +2447,7 @@ enum ieee80211_roc_type {
  *      The callback can sleep.
  *
  * @set_tsf: Set the TSF timer to the specified value in the firmware/hardware.
- *      Currently, this is only used for IBSS mode debugging. Is not a
+ *      Currently, this is only used for IBSS mode debugging. Is not a
  *      required function.
  *      The callback can sleep.
  *
@@ -4204,8 +4208,10 @@ struct rate_control_ops {
 
         void *(*alloc_sta)(void *priv, struct ieee80211_sta *sta, gfp_t gfp);
         void (*rate_init)(void *priv, struct ieee80211_supported_band *sband,
+                          struct cfg80211_chan_def *chandef,
                           struct ieee80211_sta *sta, void *priv_sta);
         void (*rate_update)(void *priv, struct ieee80211_supported_band *sband,
+                            struct cfg80211_chan_def *chandef,
                             struct ieee80211_sta *sta, void *priv_sta,
                             u32 changed);
         void (*free_sta)(void *priv, struct ieee80211_sta *sta,