diff options
Diffstat (limited to 'include/net/cfg80211.h')
| -rw-r--r-- | include/net/cfg80211.h | 679 |
1 files changed, 660 insertions, 19 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 1fa41b7a1be3..87dae868707e 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -6,7 +6,7 @@ * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> * Copyright 2013-2014 Intel Mobile Communications GmbH * Copyright 2015-2017 Intel Deutschland GmbH - * Copyright (C) 2018 Intel Corporation + * Copyright (C) 2018-2019 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -485,6 +485,7 @@ struct vif_params { * with the get_key() callback, must be in little endian, * length given by @seq_len. * @seq_len: length of @seq. + * @mode: key install mode (RX_TX, NO_TX or SET_TX) */ struct key_params { const u8 *key; @@ -492,6 +493,7 @@ struct key_params { int key_len; int seq_len; u32 cipher; + enum nl80211_key_mode mode; }; /** @@ -777,8 +779,10 @@ struct cfg80211_crypto_settings { * @probe_resp: probe response template (AP mode only) * @ftm_responder: enable FTM responder functionality; -1 for no change * (which also implies no change in LCI/civic location data) - * @lci: LCI subelement content - * @civicloc: Civic location subelement content + * @lci: Measurement Report element content, starting with Measurement Token + * (measurement type 8) + * @civicloc: Measurement Report element content, starting with Measurement + * Token (measurement type 11) * @lci_len: LCI data length * @civicloc_len: Civic location data length */ @@ -834,6 +838,17 @@ struct cfg80211_bitrate_mask { }; /** + * enum cfg80211_ap_settings_flags - AP settings flags + * + * Used by cfg80211_ap_settings + * + * @AP_SETTINGS_EXTERNAL_AUTH_SUPPORT: AP supports external authentication + */ +enum cfg80211_ap_settings_flags { + AP_SETTINGS_EXTERNAL_AUTH_SUPPORT = BIT(0), +}; + +/** * struct cfg80211_ap_settings - AP configuration * * Used to configure an AP interface. @@ -863,6 +878,7 @@ struct cfg80211_bitrate_mask { * @he_cap: HE capabilities (or %NULL if HE isn't enabled) * @ht_required: stations must support HT * @vht_required: stations must support VHT + * @flags: flags, as defined in enum cfg80211_ap_settings_flags */ struct cfg80211_ap_settings { struct cfg80211_chan_def chandef; @@ -888,6 +904,7 @@ struct cfg80211_ap_settings { const struct ieee80211_vht_cap *vht_cap; const struct ieee80211_he_cap_elem *he_cap; bool ht_required, vht_required; + u32 flags; }; /** @@ -958,6 +975,27 @@ enum station_parameters_apply_mask { STATION_PARAM_APPLY_UAPSD = BIT(0), STATION_PARAM_APPLY_CAPABILITY = BIT(1), STATION_PARAM_APPLY_PLINK_STATE = BIT(2), + STATION_PARAM_APPLY_STA_TXPOWER = BIT(3), +}; + +/** + * struct sta_txpwr - station txpower configuration + * + * Used to configure txpower for station. + * + * @power: tx power (in dBm) to be used for sending data traffic. If tx power + * is not provided, the default per-interface tx power setting will be + * overriding. Driver should be picking up the lowest tx power, either tx + * power per-interface or per-station. + * @type: In particular if TPC %type is NL80211_TX_POWER_LIMITED then tx power + * will be less than or equal to specified from userspace, whereas if TPC + * %type is NL80211_TX_POWER_AUTOMATIC then it indicates default tx power. + * NL80211_TX_POWER_FIXED is not a valid configuration option for + * per peer TPC. + */ +struct sta_txpwr { + s16 power; + enum nl80211_tx_power_setting type; }; /** @@ -1001,6 +1039,7 @@ enum station_parameters_apply_mask { * @support_p2p_ps: information if station supports P2P PS mechanism * @he_capa: HE capabilities of station * @he_capa_len: the length of the HE capabilities + * @airtime_weight: airtime scheduler weight for this station */ struct station_parameters { const u8 *supported_rates; @@ -1030,6 +1069,8 @@ struct station_parameters { int support_p2p_ps; const struct ieee80211_he_cap_elem *he_capa; u8 he_capa_len; + u16 airtime_weight; + struct sta_txpwr txpwr; }; /** @@ -1296,7 +1337,10 @@ struct cfg80211_tid_stats { * @rx_beacon: number of beacons received from this peer * @rx_beacon_signal_avg: signal strength average (in dBm) for beacons received * from this peer + * @connected_to_gate: true if mesh STA has a path to mesh gate * @rx_duration: aggregate PPDU duration(usecs) for all the frames from a peer + * @tx_duration: aggregate PPDU duration(usecs) for all the frames to a peer + * @airtime_weight: current airtime scheduling weight * @pertid: per-TID statistics, see &struct cfg80211_tid_stats, using the last * (IEEE80211_NUM_TIDS) index for MSDUs not encapsulated in QoS-MPDUs. * Note that this doesn't use the @filled bit, but is used if non-NULL. @@ -1307,6 +1351,7 @@ struct cfg80211_tid_stats { * @fcs_err_count: number of packets (MPDUs) received from this station with * an FCS error. This counter should be incremented only when TA of the * received packet with an FCS error matches the peer MAC address. + * @airtime_link_metric: mesh airtime link metric. */ struct station_info { u64 filled; @@ -1347,15 +1392,22 @@ struct station_info { u32 expected_throughput; - u64 rx_beacon; + u64 tx_duration; u64 rx_duration; + u64 rx_beacon; u8 rx_beacon_signal_avg; + u8 connected_to_gate; + struct cfg80211_tid_stats *pertid; s8 ack_signal; s8 avg_ack_signal; + u16 airtime_weight; + u32 rx_mpdu_count; u32 fcs_err_count; + + u32 airtime_link_metric; }; #if IS_ENABLED(CONFIG_CFG80211) @@ -1417,6 +1469,8 @@ enum monitor_flags { * @MPATH_INFO_DISCOVERY_TIMEOUT: @discovery_timeout filled * @MPATH_INFO_DISCOVERY_RETRIES: @discovery_retries filled * @MPATH_INFO_FLAGS: @flags filled + * @MPATH_INFO_HOP_COUNT: @hop_count filled + * @MPATH_INFO_PATH_CHANGE: @path_change_count filled */ enum mpath_info_flags { MPATH_INFO_FRAME_QLEN = BIT(0), @@ -1426,6 +1480,8 @@ enum mpath_info_flags { MPATH_INFO_DISCOVERY_TIMEOUT = BIT(4), MPATH_INFO_DISCOVERY_RETRIES = BIT(5), MPATH_INFO_FLAGS = BIT(6), + MPATH_INFO_HOP_COUNT = BIT(7), + MPATH_INFO_PATH_CHANGE = BIT(8), }; /** @@ -1445,6 +1501,8 @@ enum mpath_info_flags { * This number should increase every time the list of mesh paths * changes, i.e. when a station is added or removed, so that * userspace can tell whether it got a consistent snapshot. + * @hop_count: hops to destination + * @path_change_count: total number of path changes to destination */ struct mpath_info { u32 filled; @@ -1455,6 +1513,8 @@ struct mpath_info { u32 discovery_timeout; u8 discovery_retries; u8 flags; + u8 hop_count; + u32 path_change_count; int generation; }; @@ -1559,6 +1619,10 @@ struct bss_parameters { * @plink_timeout: If no tx activity is seen from a STA we've established * peering with for longer than this time (in seconds), then remove it * from the STA's list of peers. Default is 30 minutes. + * @dot11MeshConnectedToMeshGate: if set to true, advertise that this STA is + * connected to a mesh gate in mesh formation info. If false, the + * value in mesh formation is determined by the presence of root paths + * in the mesh path table */ struct mesh_config { u16 dot11MeshRetryTimeout; @@ -1578,6 +1642,7 @@ struct mesh_config { u16 dot11MeshHWMPperrMinInterval; u16 dot11MeshHWMPnetDiameterTraversalTime; u8 dot11MeshHWMPRootMode; + bool dot11MeshConnectedToMeshGate; u16 dot11MeshHWMPRannInterval; bool dot11MeshGateAnnouncementProtocol; bool dot11MeshForwarding; @@ -1794,11 +1859,19 @@ static inline void get_random_mask_addr(u8 *buf, const u8 *addr, const u8 *mask) * @bssid: BSSID to be matched; may be all-zero BSSID in case of SSID match * or no match (RSSI only) * @rssi_thold: don't report scan results below this threshold (in s32 dBm) + * @per_band_rssi_thold: Minimum rssi threshold for each band to be applied + * for filtering out scan results received. Drivers advertize this support + * of band specific rssi based filtering through the feature capability + * %NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD. These band + * specific rssi thresholds take precedence over rssi_thold, if specified. + * If not specified for any band, it will be assigned with rssi_thold of + * corresponding matchset. */ struct cfg80211_match_set { struct cfg80211_ssid ssid; u8 bssid[ETH_ALEN]; s32 rssi_thold; + s32 per_band_rssi_thold[NUM_NL80211_BANDS]; }; /** @@ -1997,9 +2070,15 @@ struct cfg80211_bss_ies { * a BSS that hides the SSID in its beacon, this points to the BSS struct * that holds the beacon data. @beacon_ies is still valid, of course, and * points to the same data as hidden_beacon_bss->beacon_ies in that case. + * @transmitted_bss: pointer to the transmitted BSS, if this is a + * non-transmitted one (multi-BSSID support) + * @nontrans_list: list of non-transmitted BSS, if this is a transmitted one + * (multi-BSSID support) * @signal: signal strength value (type depends on the wiphy's signal_type) * @chains: bitmask for filled values in @chain_signal. * @chain_signal: per-chain signal strength of last received BSS in dBm. + * @bssid_index: index in the multiple BSS set + * @max_bssid_indicator: max number of members in the BSS set * @priv: private area for driver use, has at least wiphy->bss_priv_size bytes */ struct cfg80211_bss { @@ -2011,6 +2090,8 @@ struct cfg80211_bss { const struct cfg80211_bss_ies __rcu *proberesp_ies; struct cfg80211_bss *hidden_beacon_bss; + struct cfg80211_bss *transmitted_bss; + struct list_head nontrans_list; s32 signal; @@ -2021,19 +2102,36 @@ struct cfg80211_bss { u8 chains; s8 chain_signal[IEEE80211_MAX_CHAINS]; + u8 bssid_index; + u8 max_bssid_indicator; + u8 priv[0] __aligned(sizeof(void *)); }; /** + * ieee80211_bss_get_elem - find element with given ID + * @bss: the bss to search + * @id: the element ID + * + * Note that the return value is an RCU-protected pointer, so + * rcu_read_lock() must be held when calling this function. + * Return: %NULL if not found. + */ +const struct element *ieee80211_bss_get_elem(struct cfg80211_bss *bss, u8 id); + +/** * ieee80211_bss_get_ie - find IE with given ID * @bss: the bss to search - * @ie: the IE ID + * @id: the element ID * * Note that the return value is an RCU-protected pointer, so * rcu_read_lock() must be held when calling this function. * Return: %NULL if not found. */ -const u8 *ieee80211_bss_get_ie(struct cfg80211_bss *bss, u8 ie); +static inline const u8 *ieee80211_bss_get_ie(struct cfg80211_bss *bss, u8 id) +{ + return (void *)ieee80211_bss_get_elem(bss, id); +} /** @@ -2381,6 +2479,8 @@ enum wiphy_params_flags { WIPHY_PARAM_TXQ_QUANTUM = 1 << 8, }; +#define IEEE80211_DEFAULT_AIRTIME_WEIGHT 256 + /** * struct cfg80211_pmksa - PMK Security Association * @@ -2805,6 +2905,7 @@ struct cfg80211_pmk_conf { * use %WLAN_STATUS_UNSPECIFIED_FAILURE if user space cannot give you * the real status code for failures. Used only for the authentication * response command interface (user space to driver). + * @pmkid: The identifier to refer a PMKSA. */ struct cfg80211_external_auth_params { enum nl80211_external_auth_action action; @@ -2812,10 +2913,11 @@ struct cfg80211_external_auth_params { struct cfg80211_ssid ssid; unsigned int key_mgmt_suite; u16 status; + const u8 *pmkid; }; /** - * cfg80211_ftm_responder_stats - FTM responder statistics + * struct cfg80211_ftm_responder_stats - FTM responder statistics * * @filled: bitflag of flags using the bits of &enum nl80211_ftm_stats to * indicate the relevant values in this struct for them @@ -2849,6 +2951,216 @@ struct cfg80211_ftm_responder_stats { }; /** + * struct cfg80211_pmsr_ftm_result - FTM result + * @failure_reason: if this measurement failed (PMSR status is + * %NL80211_PMSR_STATUS_FAILURE), this gives a more precise + * reason than just "failure" + * @burst_index: if reporting partial results, this is the index + * in [0 .. num_bursts-1] of the burst that's being reported + * @num_ftmr_attempts: number of FTM request frames transmitted + * @num_ftmr_successes: number of FTM request frames acked + * @busy_retry_time: if failure_reason is %NL80211_PMSR_FTM_FAILURE_PEER_BUSY, + * fill this to indicate in how many seconds a retry is deemed possible + * by the responder + * @num_bursts_exp: actual number of bursts exponent negotiated + * @burst_duration: actual burst duration negotiated + * @ftms_per_burst: actual FTMs per burst negotiated + * @lci_len: length of LCI information (if present) + * @civicloc_len: length of civic location information (if present) + * @lci: LCI data (may be %NULL) + * @civicloc: civic location data (may be %NULL) + * @rssi_avg: average RSSI over FTM action frames reported + * @rssi_spread: spread of the RSSI over FTM action frames reported + * @tx_rate: bitrate for transmitted FTM action frame response + * @rx_rate: bitrate of received FTM action frame + * @rtt_avg: average of RTTs measured (must have either this or @dist_avg) + * @rtt_variance: variance of RTTs measured (note that standard deviation is + * the square root of the variance) + * @rtt_spread: spread of the RTTs measured + * @dist_avg: average of distances (mm) measured + * (must have either this or @rtt_avg) + * @dist_variance: variance of distances measured (see also @rtt_variance) + * @dist_spread: spread of distances measured (see also @rtt_spread) + * @num_ftmr_attempts_valid: @num_ftmr_attempts is valid + * @num_ftmr_successes_valid: @num_ftmr_successes is valid + * @rssi_avg_valid: @rssi_avg is valid + * @rssi_spread_valid: @rssi_spread is valid + * @tx_rate_valid: @tx_rate is valid + * @rx_rate_valid: @rx_rate is valid + * @rtt_avg_valid: @rtt_avg is valid + * @rtt_variance_valid: @rtt_variance is valid + * @rtt_spread_valid: @rtt_spread is valid + * @dist_avg_valid: @dist_avg is valid + * @dist_variance_valid: @dist_variance is valid + * @dist_spread_valid: @dist_spread is valid + */ +struct cfg80211_pmsr_ftm_result { + const u8 *lci; + const u8 *civicloc; + unsigned int lci_len; + unsigned int civicloc_len; + enum nl80211_peer_measurement_ftm_failure_reasons failure_reason; + u32 num_ftmr_attempts, num_ftmr_successes; + s16 burst_index; + u8 busy_retry_time; + u8 num_bursts_exp; + u8 burst_duration; + u8 ftms_per_burst; + s32 rssi_avg; + s32 rssi_spread; + struct rate_info tx_rate, rx_rate; + s64 rtt_avg; + s64 rtt_variance; + s64 rtt_spread; + s64 dist_avg; + s64 dist_variance; + s64 dist_spread; + + u16 num_ftmr_attempts_valid:1, + num_ftmr_successes_valid:1, + rssi_avg_valid:1, + rssi_spread_valid:1, + tx_rate_valid:1, + rx_rate_valid:1, + rtt_avg_valid:1, + rtt_variance_valid:1, + rtt_spread_valid:1, + dist_avg_valid:1, + dist_variance_valid:1, + dist_spread_valid:1; +}; + +/** + * struct cfg80211_pmsr_result - peer measurement result + * @addr: address of the peer + * @host_time: host time (use ktime_get_boottime() adjust to the time when the + * measurement was made) + * @ap_tsf: AP's TSF at measurement time + * @status: status of the measurement + * @final: if reporting partial results, mark this as the last one; if not + * reporting partial results always set this flag + * @ap_tsf_valid: indicates the @ap_tsf value is valid + * @type: type of the measurement reported, note that we only support reporting + * one type at a time, but you can report multiple results separately and + * they're all aggregated for userspace. + */ +struct cfg80211_pmsr_result { + u64 host_time, ap_tsf; + enum nl80211_peer_measurement_status status; + + u8 addr[ETH_ALEN]; + + u8 final:1, + ap_tsf_valid:1; + + enum nl80211_peer_measurement_type type; + + union { + struct cfg80211_pmsr_ftm_result ftm; + }; +}; + +/** + * struct cfg80211_pmsr_ftm_request_peer - FTM request data + * @requested: indicates FTM is requested + * @preamble: frame preamble to use + * @burst_period: burst period to use + * @asap: indicates to use ASAP mode + * @num_bursts_exp: number of bursts exponent + * @burst_duration: burst duration + * @ftms_per_burst: number of FTMs per burst + * @ftmr_retries: number of retries for FTM request + * @request_lci: request LCI information + * @request_civicloc: request civic location information + * + * See also nl80211 for the respective attribute documentation. + */ +struct cfg80211_pmsr_ftm_request_peer { + enum nl80211_preamble preamble; + u16 burst_period; + u8 requested:1, + asap:1, + request_lci:1, + request_civicloc:1; + u8 num_bursts_exp; + u8 burst_duration; + u8 ftms_per_burst; + u8 ftmr_retries; +}; + +/** + * struct cfg80211_pmsr_request_peer - peer data for a peer measurement request + * @addr: MAC address + * @chandef: channel to use + * @report_ap_tsf: report the associated AP's TSF + * @ftm: FTM data, see &struct cfg80211_pmsr_ftm_request_peer + */ +struct cfg80211_pmsr_request_peer { + u8 addr[ETH_ALEN]; + struct cfg80211_chan_def chandef; + u8 report_ap_tsf:1; + struct cfg80211_pmsr_ftm_request_peer ftm; +}; + +/** + * struct cfg80211_pmsr_request - peer measurement request + * @cookie: cookie, set by cfg80211 + * @nl_portid: netlink portid - used by cfg80211 + * @drv_data: driver data for this request, if required for aborting, + * not otherwise freed or anything by cfg80211 + * @mac_addr: MAC address used for (randomised) request + * @mac_addr_mask: MAC address mask used for randomisation, bits that + * are 0 in the mask should be randomised, bits that are 1 should + * be taken from the @mac_addr + * @list: used by cfg80211 to hold on to the request + * @timeout: timeout (in milliseconds) for the whole operation, if + * zero it means there's no timeout + * @n_peers: number of peers to do measurements with + * @peers: per-peer measurement request data + */ +struct cfg80211_pmsr_request { + u64 cookie; + void *drv_data; + u32 n_peers; + u32 nl_portid; + + u32 timeout; + + u8 mac_addr[ETH_ALEN] __aligned(2); + u8 mac_addr_mask[ETH_ALEN] __aligned(2); + + struct list_head list; + + struct cfg80211_pmsr_request_peer peers[]; +}; + +/** + * struct cfg80211_update_owe_info - OWE Information + * + * This structure provides information needed for the drivers to offload OWE + * (Opportunistic Wireless Encryption) processing to the user space. + * + * Commonly used across update_owe_info request and event interfaces. + * + * @peer: MAC address of the peer device for which the OWE processing + * has to be done. + * @status: status code, %WLAN_STATUS_SUCCESS for successful OWE info + * processing, use %WLAN_STATUS_UNSPECIFIED_FAILURE if user space + * cannot give you the real status code for failures. Used only for + * OWE update request command interface (user space to driver). + * @ie: IEs obtained from the peer or constructed by the user space. These are + * the IEs of the remote peer in the event from the host driver and + * the constructed IEs by the user space in the request interface. + * @ie_len: Length of IEs in octets. + */ +struct cfg80211_update_owe_info { + u8 peer[ETH_ALEN] __aligned(2); + u16 status; + const u8 *ie; + size_t ie_len; +}; + +/** * struct cfg80211_ops - backend description for wireless configuration * * This struct is registered by fullmac card drivers and/or wireless stacks @@ -3183,6 +3495,15 @@ struct cfg80211_ftm_responder_stats { * * @get_ftm_responder_stats: Retrieve FTM responder statistics, if available. * Statistics should be cumulative, currently no way to reset is provided. + * @start_pmsr: start peer measurement (e.g. FTM) + * @abort_pmsr: abort peer measurement + * + * @update_owe_info: Provide updated OWE info to driver. Driver implementing SME + * but offloading OWE processing to the user space will get the updated + * DH IE through this interface. + * + * @probe_mesh_link: Probe direct Mesh peer's link quality by sending data frame + * and overrule HWMP path selection algorithm. */ struct cfg80211_ops { int (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow); @@ -3492,6 +3813,15 @@ struct cfg80211_ops { int (*get_ftm_responder_stats)(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_ftm_responder_stats *ftm_stats); + + int (*start_pmsr)(struct wiphy *wiphy, struct wireless_dev *wdev, + struct cfg80211_pmsr_request *request); + void (*abort_pmsr)(struct wiphy *wiphy, struct wireless_dev *wdev, + struct cfg80211_pmsr_request *request); + int (*update_owe_info)(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_update_owe_info *owe_info); + int (*probe_mesh_link)(struct wiphy *wiphy, struct net_device *dev, + const u8 *buf, size_t len); }; /* @@ -3864,6 +4194,42 @@ struct wiphy_iftype_ext_capab { }; /** + * struct cfg80211_pmsr_capabilities - cfg80211 peer measurement capabilities + * @max_peers: maximum number of peers in a single measurement + * @report_ap_tsf: can report assoc AP's TSF for radio resource measurement + * @randomize_mac_addr: can randomize MAC address for measurement + * @ftm.supported: FTM measurement is supported + * @ftm.asap: ASAP-mode is supported + * @ftm.non_asap: non-ASAP-mode is supported + * @ftm.request_lci: can request LCI data + * @ftm.request_civicloc: can request civic location data + * @ftm.preambles: bitmap of preambles supported (&enum nl80211_preamble) + * @ftm.bandwidths: bitmap of bandwidths supported (&enum nl80211_chan_width) + * @ftm.max_bursts_exponent: maximum burst exponent supported + * (set to -1 if not limited; note that setting this will necessarily + * forbid using the value 15 to let the responder pick) + * @ftm.max_ftms_per_burst: maximum FTMs per burst supported (set to 0 if + * not limited) + */ +struct cfg80211_pmsr_capabilities { + unsigned int max_peers; + u8 report_ap_tsf:1, + randomize_mac_addr:1; + + struct { + u32 preambles; + u32 bandwidths; + s8 max_bursts_exponent; + u8 max_ftms_per_burst; + u8 supported:1, + asap:1, + non_asap:1, + request_lci:1, + request_civicloc:1; + } ftm; +}; + +/** * struct wiphy - wireless hardware description * @reg_notifier: the driver's regulatory notification callback, * note that if your driver uses wiphy_apply_custom_regulatory() @@ -3875,6 +4241,8 @@ struct wiphy_iftype_ext_capab { * @signal_type: signal type reported in &struct cfg80211_bss. * @cipher_suites: supported cipher suites * @n_cipher_suites: number of supported cipher suites + * @akm_suites: supported AKM suites + * @n_akm_suites: number of supported AKM suites * @retry_short: Retry limit for short frames (dot11ShortRetryLimit) * @retry_long: Retry limit for long frames (dot11LongRetryLimit) * @frag_threshold: Fragmentation threshold (dot11FragmentationThreshold); @@ -4027,6 +4395,13 @@ struct wiphy_iftype_ext_capab { * @txq_limit: configuration of internal TX queue frame limit * @txq_memory_limit: configuration internal TX queue memory limit * @txq_quantum: configuration of internal TX queue scheduler quantum + * + * @support_mbssid: can HW support association with nontransmitted AP + * @support_only_he_mbssid: don't parse MBSSID elements if it is not + * HE AP, in order to avoid compatibility issues. + * @support_mbssid must be set for this to have any effect. + * + * @pmsr_capa: peer measurement capabilities */ struct wiphy { /* assign these fields before you register the wiphy */ @@ -4071,6 +4446,9 @@ struct wiphy { int n_cipher_suites; const u32 *cipher_suites; + int n_akm_suites; + const u32 *akm_suites; + u8 retry_short; u8 retry_long; u32 frag_threshold; @@ -4163,6 +4541,11 @@ struct wiphy { u32 txq_memory_limit; u32 txq_quantum; + u8 support_mbssid:1, + support_only_he_mbssid:1; + + const struct cfg80211_pmsr_capabilities *pmsr_capa; + char priv[0] __aligned(NETDEV_ALIGN); }; @@ -4332,6 +4715,17 @@ struct cfg80211_cqm_config; * @mesh_id_len: (private) Used by the internal configuration code * @mesh_id_up_len: (private) Used by the internal configuration code * @wext: (private) Used by the internal wireless extensions compat code + * @wext.ibss: (private) IBSS data part of wext handling + * @wext.connect: (private) connection handling data + * @wext.keys: (private) (WEP) key data + * @wext.ie: (private) extra elements for association + * @wext.ie_len: (private) length of extra elements + * @wext.bssid: (private) selected network BSSID + * @wext.ssid: (private) selected network SSID + * @wext.default_key: (private) selected default key index + * @wext.default_mgmt_key: (private) selected default management key index + * @wext.prev_bssid: (private) previous BSSID for reassociation + * @wext.prev_bssid_valid: (private) previous BSSID validity * @use_4addr: indicates 4addr mode is used on this interface, must be * set by driver (if supported) on add_interface BEFORE registering the * netdev and may otherwise be used by driver read-only, will be update @@ -4365,6 +4759,9 @@ struct cfg80211_cqm_config; * @owner_nlportid: (private) owner socket port ID * @nl_owner_dead: (private) owner socket went away * @cqm_config: (private) nl80211 RSSI monitor state + * @pmsr_list: (private) peer measurement requests + * @pmsr_lock: (private) peer measurements requests/results lock + * @pmsr_free_wk: (private) peer measurements cleanup work */ struct wireless_dev { struct wiphy *wiphy; @@ -4428,7 +4825,8 @@ struct wireless_dev { struct cfg80211_cached_keys *keys; const u8 *ie; size_t ie_len; - u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; + u8 bssid[ETH_ALEN]; + u8 prev_bssid[ETH_ALEN]; u8 ssid[IEEE80211_MAX_SSID_LEN]; s8 default_key, default_mgmt_key; bool prev_bssid_valid; @@ -4436,6 +4834,10 @@ struct wireless_dev { #endif struct cfg80211_cqm_config *cqm_config; + + struct list_head pmsr_list; + spinlock_t pmsr_lock; + struct work_struct pmsr_free_wk; }; static inline u8 *wdev_address(struct wireless_dev *wdev) @@ -4703,6 +5105,33 @@ unsigned int cfg80211_classify8021d(struct sk_buff *skb, struct cfg80211_qos_map *qos_map); /** + * cfg80211_find_elem_match - match information element and byte array in data + * + * @eid: element ID + * @ies: data consisting of IEs + * @len: length of data + * @match: byte array to match + * @match_len: number of bytes in the match array + * @match_offset: offset in the IE data where the byte array should match. + * Note the difference to cfg80211_find_ie_match() which considers + * the offset to start from the element ID byte, but here we take + * the data portion instead. + * + * 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 if the byte array doesn't match; otherwise return the + * requested element struct. + * + * Note: There are no checks on the element length other than + * having to fit into the given data and being large enough for the + * byte array to match. + */ +const struct element * +cfg80211_find_elem_match(u8 eid, const u8 *ies, unsigned int len, + const u8 *match, unsigned int match_len, + unsigned int match_offset); + +/** * cfg80211_find_ie_match - match information element and byte array in data * * @eid: element ID @@ -4726,9 +5155,44 @@ unsigned int cfg80211_classify8021d(struct sk_buff *skb, * having to fit into the given data and being large enough for the * byte array to match. */ -const u8 *cfg80211_find_ie_match(u8 eid, const u8 *ies, int len, - const u8 *match, int match_len, - int match_offset); +static inline const u8 * +cfg80211_find_ie_match(u8 eid, const u8 *ies, unsigned int len, + const u8 *match, unsigned int match_len, + unsigned int match_offset) +{ + /* match_offset can't be smaller than 2, unless match_len is + * zero, in which case match_offset must be zero as well. + */ + if (WARN_ON((match_len && match_offset < 2) || + (!match_len && match_offset))) + return NULL; + + return (void *)cfg80211_find_elem_match(eid, ies, len, + match, match_len, + match_offset ? + match_offset - 2 : 0); +} + +/** + * cfg80211_find_elem - find information element in data + * + * @eid: element ID + * @ies: data consisting of IEs + * @len: length of 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 if the byte array doesn't match; otherwise return the + * requested element struct. + * + * Note: There are no checks on the element length other than + * having to fit into the given data. + */ +static inline const struct element * +cfg80211_find_elem(u8 eid, const u8 *ies, int len) +{ + return cfg80211_find_elem_match(eid, ies, len, NULL, 0, 0); +} /** * cfg80211_find_ie - find information element in data @@ -4751,6 +5215,28 @@ static inline const u8 *cfg80211_find_ie(u8 eid, const u8 *ies, int len) } /** + * cfg80211_find_ext_elem - find information element with EID Extension in data + * + * @ext_eid: element ID Extension + * @ies: data consisting of IEs + * @len: length of data + * + * Return: %NULL if the etended element could not be found or if + * the element is invalid (claims to be longer than the given + * data) or if the byte array doesn't match; otherwise return the + * requested element struct. + * + * Note: There are no checks on the element length other than + * having to fit into the given data. + */ +static inline const struct element * +cfg80211_find_ext_elem(u8 ext_eid, const u8 *ies, int len) +{ + return cfg80211_find_elem_match(WLAN_EID_EXTENSION, ies, len, + &ext_eid, 1, 0); +} + +/** * cfg80211_find_ext_ie - find information element with EID Extension in data * * @ext_eid: element ID Extension @@ -4772,6 +5258,25 @@ static inline const u8 *cfg80211_find_ext_ie(u8 ext_eid, const u8 *ies, int len) } /** + * cfg80211_find_vendor_elem - find vendor specific information element in data + * + * @oui: vendor OUI + * @oui_type: vendor-specific OUI type (must be < 0xff), negative means any + * @ies: data consisting of IEs + * @len: length of 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); otherwise + * return the element structure for the requested element. + * + * Note: There are no checks on the element length other than having to fit into + * the given data. + */ +const struct element *cfg80211_find_vendor_elem(unsigned int oui, int oui_type, + const u8 *ies, + unsigned int len); + +/** * cfg80211_find_vendor_ie - find vendor specific information element in data * * @oui: vendor OUI @@ -4787,8 +5292,12 @@ static inline const u8 *cfg80211_find_ext_ie(u8 ext_eid, const u8 *ies, int len) * 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, int oui_type, - const u8 *ies, int len); +static inline const u8 * +cfg80211_find_vendor_ie(unsigned int oui, int oui_type, + const u8 *ies, unsigned int len) +{ + return (void *)cfg80211_find_vendor_elem(oui, oui_type, ies, len); +} /** * cfg80211_send_layer2_update - send layer 2 update frame @@ -5034,6 +5543,49 @@ cfg80211_inform_bss_frame(struct wiphy *wiphy, } /** + * cfg80211_gen_new_bssid - generate a nontransmitted BSSID for multi-BSSID + * @bssid: transmitter BSSID + * @max_bssid: max BSSID indicator, taken from Multiple BSSID element + * @mbssid_index: BSSID index, taken from Multiple BSSID index element + * @new_bssid: calculated nontransmitted BSSID + */ +static inline void cfg80211_gen_new_bssid(const u8 *bssid, u8 max_bssid, + u8 mbssid_index, u8 *new_bssid) +{ + u64 bssid_u64 = ether_addr_to_u64(bssid); + u64 mask = GENMASK_ULL(max_bssid - 1, 0); + u64 new_bssid_u64; + + new_bssid_u64 = bssid_u64 & ~mask; + + new_bssid_u64 |= ((bssid_u64 & mask) + mbssid_index) & mask; + + u64_to_ether_addr(new_bssid_u64, new_bssid); +} + +/** + * cfg80211_is_element_inherited - returns if element ID should be inherited + * @element: element to check + * @non_inherit_element: non inheritance element + */ +bool cfg80211_is_element_inherited(const struct element *element, + const struct element *non_inherit_element); + +/** + * cfg80211_merge_profile - merges a MBSSID profile if it is split between IEs + * @ie: ies + * @ielen: length of IEs + * @mbssid_elem: current MBSSID element + * @sub_elem: current MBSSID subelement (profile) + * @merged_ie: location of the merged profile + * @max_copy_len: max merged profile length + */ +size_t cfg80211_merge_profile(const u8 *ie, size_t ielen, + const struct element *mbssid_elem, + const struct element *sub_elem, + u8 *merged_ie, size_t max_copy_len); + +/** * enum cfg80211_bss_frame_type - frame type that the BSS data came from * @CFG80211_BSS_FTYPE_UNKNOWN: driver doesn't know whether the data is * from a beacon or probe response @@ -5218,10 +5770,12 @@ void cfg80211_auth_timeout(struct net_device *dev, const u8 *addr); * @dev: network device * @bss: the BSS that association was requested with, ownership of the pointer * moves to cfg80211 in this call - * @buf: authentication frame (header + body) + * @buf: (Re)Association Response frame (header + body) * @len: length of the frame data * @uapsd_queues: bitmap of queues configured for uapsd. Same format * as the AC bitmap in the QoS info field + * @req_ies: information elements from the (Re)Association Request frame + * @req_ies_len: length of req_ies data * * After being asked to associate via cfg80211_ops::assoc() the driver must * call either this function or cfg80211_auth_timeout(). @@ -5231,7 +5785,8 @@ void cfg80211_auth_timeout(struct net_device *dev, const u8 *addr); void cfg80211_rx_assoc_resp(struct net_device *dev, struct cfg80211_bss *bss, const u8 *buf, size_t len, - int uapsd_queues); + int uapsd_queues, + const u8 *req_ies, size_t req_ies_len); /** * cfg80211_assoc_timeout - notification of timed out association @@ -5320,7 +5875,7 @@ void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, * @dev: network device * @macaddr: the MAC address of the new candidate * @ie: information elements advertised by the peer candidate - * @ie_len: lenght of the information elements buffer + * @ie_len: length of the information elements buffer * @gfp: allocation flags * * This function notifies cfg80211 that the mesh peer candidate has been @@ -5328,7 +5883,8 @@ void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, * cfg80211 then sends a notification to userspace. */ void cfg80211_notify_new_peer_candidate(struct net_device *dev, - const u8 *macaddr, const u8 *ie, u8 ie_len, gfp_t gfp); + const u8 *macaddr, const u8 *ie, u8 ie_len, + int sig_dbm, gfp_t gfp); /** * DOC: RFkill integration @@ -5392,6 +5948,7 @@ struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy, struct wireless_dev *wdev, enum nl80211_commands cmd, enum nl80211_attrs attr, + unsigned int portid, int vendor_event_idx, int approxlen, gfp_t gfp); @@ -5442,6 +5999,15 @@ cfg80211_vendor_cmd_alloc_reply_skb(struct wiphy *wiphy, int approxlen) int cfg80211_vendor_cmd_reply(struct sk_buff *skb); /** + * cfg80211_vendor_cmd_get_sender + * @wiphy: the wiphy + * + * Return the current netlink port ID in a vendor command handler. + * Valid to call only there. + */ +unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy); + +/** * cfg80211_vendor_event_alloc - allocate vendor-specific event skb * @wiphy: the wiphy * @wdev: the wireless device @@ -5468,7 +6034,42 @@ cfg80211_vendor_event_alloc(struct wiphy *wiphy, struct wireless_dev *wdev, { return __cfg80211_alloc_event_skb(wiphy, wdev, NL80211_CMD_VENDOR, NL80211_ATTR_VENDOR_DATA, - event_idx, approxlen, gfp); + 0, event_idx, approxlen, gfp); +} + +/** + * cfg80211_vendor_event_alloc_ucast - alloc unicast vendor-specific event skb + * @wiphy: the wiphy + * @wdev: the wireless device + * @event_idx: index of the vendor event in the wiphy's vendor_events + * @portid: port ID of the receiver + * @approxlen: an upper bound of the length of the data that will + * be put into the skb + * @gfp: allocation flags + * + * This function allocates and pre-fills an skb for an event to send to + * a specific (userland) socket. This socket would previously have been + * obtained by cfg80211_vendor_cmd_get_sender(), and the caller MUST take + * care to register a netlink notifier to see when the socket closes. + * + * If wdev != NULL, both the ifindex and identifier of the specified + * wireless device are added to the event message before the vendor data + * attribute. + * + * When done filling the skb, call cfg80211_vendor_event() with the + * skb to send the event. + * + * Return: An allocated and pre-filled skb. %NULL if any errors happen. + */ +static inline struct sk_buff * +cfg80211_vendor_event_alloc_ucast(struct wiphy *wiphy, + struct wireless_dev *wdev, + unsigned int portid, int approxlen, + int event_idx, gfp_t gfp) +{ + return __cfg80211_alloc_event_skb(wiphy, wdev, NL80211_CMD_VENDOR, + NL80211_ATTR_VENDOR_DATA, + portid, event_idx, approxlen, gfp); } /** @@ -5568,7 +6169,7 @@ static inline struct sk_buff * cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy, int approxlen, gfp_t gfp) { return __cfg80211_alloc_event_skb(wiphy, NULL, NL80211_CMD_TESTMODE, - NL80211_ATTR_TESTDATA, -1, + NL80211_ATTR_TESTDATA, 0, -1, approxlen, gfp); } @@ -6630,6 +7231,31 @@ int cfg80211_external_auth_request(struct net_device *netdev, struct cfg80211_external_auth_params *params, gfp_t gfp); +/** + * cfg80211_pmsr_report - report peer measurement result data + * @wdev: the wireless device reporting the measurement + * @req: the original measurement request + * @result: the result data + * @gfp: allocation flags + */ +void cfg80211_pmsr_report(struct wireless_dev *wdev, + struct cfg80211_pmsr_request *req, + struct cfg80211_pmsr_result *result, + gfp_t gfp); + +/** + * cfg80211_pmsr_complete - report peer measurement completed + * @wdev: the wireless device reporting the measurement + * @req: the original measurement request + * @gfp: allocation flags + * + * Report that the entire measurement completed, after this + * the request pointer will no longer be valid. + */ +void cfg80211_pmsr_complete(struct wireless_dev *wdev, + struct cfg80211_pmsr_request *req, + gfp_t gfp); + /* Logging, debugging and troubleshooting/diagnostic helpers. */ /* wiphy_printk helpers, similar to dev_printk */ @@ -6651,6 +7277,11 @@ int cfg80211_external_auth_request(struct net_device *netdev, #define wiphy_info(wiphy, format, args...) \ dev_info(&(wiphy)->dev, format, ##args) +#define wiphy_err_ratelimited(wiphy, format, args...) \ + dev_err_ratelimited(&(wiphy)->dev, format, ##args) +#define wiphy_warn_ratelimited(wiphy, format, args...) \ + dev_warn_ratelimited(&(wiphy)->dev, format, ##args) + #define wiphy_debug(wiphy, format, args...) \ wiphy_printk(KERN_DEBUG, wiphy, format, ##args) @@ -6676,4 +7307,14 @@ int cfg80211_external_auth_request(struct net_device *netdev, #define wiphy_WARN(wiphy, format, args...) \ WARN(1, "wiphy: %s\n" format, wiphy_name(wiphy), ##args); +/** + * cfg80211_update_owe_info_event - Notify the peer's OWE info to user space + * @netdev: network device + * @owe_info: peer's owe info + * @gfp: allocation flags + */ +void cfg80211_update_owe_info_event(struct net_device *netdev, + struct cfg80211_update_owe_info *owe_info, + gfp_t gfp); + #endif /* __NET_CFG80211_H */ |