diff options
Diffstat (limited to 'include/net/cfg80211.h')
| -rw-r--r-- | include/net/cfg80211.h | 288 |
1 files changed, 273 insertions, 15 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index e0c41eb1c860..bb307a11ee63 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 @@ -836,6 +836,17 @@ 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. @@ -865,6 +876,7 @@ 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; @@ -890,6 +902,7 @@ 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; }; /** @@ -1003,6 +1016,7 @@ 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; @@ -1032,6 +1046,7 @@ struct station_parameters { int support_p2p_ps; const struct ieee80211_he_cap_elem *he_capa; u8 he_capa_len; + u16 airtime_weight; }; /** @@ -1300,6 +1315,8 @@ struct cfg80211_tid_stats { * 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. @@ -1350,8 +1367,9 @@ 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; @@ -1359,6 +1377,8 @@ struct station_info { s8 ack_signal; s8 avg_ack_signal; + u16 airtime_weight; + u32 rx_mpdu_count; u32 fcs_err_count; }; @@ -1422,6 +1442,8 @@ 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), @@ -1431,6 +1453,8 @@ 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), }; /** @@ -1450,6 +1474,8 @@ 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; @@ -1460,6 +1486,8 @@ struct mpath_info { u32 discovery_timeout; u8 discovery_retries; u8 flags; + u8 hop_count; + u32 path_change_count; int generation; }; @@ -2007,9 +2035,15 @@ 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 { @@ -2021,6 +2055,8 @@ 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; @@ -2031,19 +2067,36 @@ 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); +} /** @@ -2391,6 +2444,8 @@ enum wiphy_params_flags { WIPHY_PARAM_TXQ_QUANTUM = 1 << 8, }; +#define IEEE80211_DEFAULT_AIRTIME_WEIGHT 256 + /** * struct cfg80211_pmksa - PMK Security Association * @@ -2815,6 +2870,7 @@ 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; @@ -2822,6 +2878,7 @@ struct cfg80211_external_auth_params { struct cfg80211_ssid ssid; unsigned int key_mgmt_suite; u16 status; + const u8 *pmkid; }; /** @@ -4112,6 +4169,8 @@ struct cfg80211_pmsr_capabilities { * @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); @@ -4265,6 +4324,11 @@ struct cfg80211_pmsr_capabilities { * @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 { @@ -4310,6 +4374,9 @@ 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; @@ -4402,6 +4469,9 @@ 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); @@ -4573,6 +4643,17 @@ 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 @@ -4672,7 +4753,8 @@ 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; @@ -4951,6 +5033,33 @@ 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 @@ -4974,9 +5083,44 @@ 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 @@ -4999,6 +5143,28 @@ 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 @@ -5020,6 +5186,25 @@ 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 @@ -5035,8 +5220,12 @@ 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 @@ -5282,6 +5471,27 @@ 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); +} + +/** * 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 @@ -5466,10 +5676,12 @@ 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(). @@ -5479,7 +5691,8 @@ 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 @@ -5568,7 +5781,7 @@ 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 @@ -5641,6 +5854,7 @@ 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); @@ -5691,6 +5905,15 @@ 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 @@ -5717,7 +5940,42 @@ 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); } /** @@ -5817,7 +6075,7 @@ 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); } |