diff options
Diffstat (limited to 'include/net/cfg80211.h')
| -rw-r--r-- | include/net/cfg80211.h | 480 |
1 files changed, 376 insertions, 104 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 8e6a6b73b9c9..d581c6de5d64 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -19,6 +19,7 @@ #include <linux/nl80211.h> #include <linux/if_ether.h> #include <linux/ieee80211.h> +#include <linux/net.h> #include <net/regulatory.h> /** @@ -99,6 +100,16 @@ enum ieee80211_band { * @IEEE80211_CHAN_NO_HT40MINUS: extension channel below this channel * is not permitted. * @IEEE80211_CHAN_NO_OFDM: OFDM is not allowed on this channel. + * @IEEE80211_CHAN_NO_80MHZ: If the driver supports 80 MHz on the band, + * this flag indicates that an 80 MHz channel cannot use this + * channel as the control or any of the secondary channels. + * This may be due to the driver or due to regulatory bandwidth + * restrictions. + * @IEEE80211_CHAN_NO_160MHZ: If the driver supports 160 MHz on the band, + * this flag indicates that an 160 MHz channel cannot use this + * channel as the control or any of the secondary channels. + * This may be due to the driver or due to regulatory bandwidth + * restrictions. */ enum ieee80211_channel_flags { IEEE80211_CHAN_DISABLED = 1<<0, @@ -108,11 +119,16 @@ enum ieee80211_channel_flags { IEEE80211_CHAN_NO_HT40PLUS = 1<<4, IEEE80211_CHAN_NO_HT40MINUS = 1<<5, IEEE80211_CHAN_NO_OFDM = 1<<6, + IEEE80211_CHAN_NO_80MHZ = 1<<7, + IEEE80211_CHAN_NO_160MHZ = 1<<8, }; #define IEEE80211_CHAN_NO_HT40 \ (IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS) +#define IEEE80211_DFS_MIN_CAC_TIME_MS 60000 +#define IEEE80211_DFS_MIN_NOP_TIME_MS (30 * 60 * 1000) + /** * struct ieee80211_channel - channel definition * @@ -133,6 +149,9 @@ enum ieee80211_channel_flags { * to enable this, this is useful only on 5 GHz band. * @orig_mag: internal use * @orig_mpwr: internal use + * @dfs_state: current state of this channel. Only relevant if radar is required + * on this channel. + * @dfs_state_entered: timestamp (jiffies) when the dfs state was entered. */ struct ieee80211_channel { enum ieee80211_band band; @@ -145,6 +164,8 @@ struct ieee80211_channel { bool beacon_found; u32 orig_flags; int orig_mag, orig_mpwr; + enum nl80211_dfs_state dfs_state; + unsigned long dfs_state_entered; }; /** @@ -281,9 +302,13 @@ struct ieee80211_supported_band { /** * struct vif_params - describes virtual interface parameters * @use_4addr: use 4-address frames + * @macaddr: address to use for this virtual interface. This will only + * be used for non-netdevice interfaces. If this parameter is set + * to zero address the driver may determine the address as needed. */ struct vif_params { int use_4addr; + u8 macaddr[ETH_ALEN]; }; /** @@ -326,7 +351,7 @@ struct cfg80211_chan_def { * cfg80211_get_chandef_type - return old channel type from chandef * @chandef: the channel definition * - * Returns the old channel type (NOHT, HT20, HT40+/-) from a given + * Return: The old channel type (NOHT, HT20, HT40+/-) from a given * chandef, which must have a bandwidth allowing this conversion. */ static inline enum nl80211_channel_type @@ -364,7 +389,7 @@ void cfg80211_chandef_create(struct cfg80211_chan_def *chandef, * @chandef1: first channel definition * @chandef2: second channel definition * - * Returns %true if the channels defined by the channel definitions are + * Return: %true if the channels defined by the channel definitions are * identical, %false otherwise. */ static inline bool @@ -382,7 +407,7 @@ cfg80211_chandef_identical(const struct cfg80211_chan_def *chandef1, * @chandef1: first channel definition * @chandef2: second channel definition * - * Returns %NULL if the given channel definitions are incompatible, + * Return: %NULL if the given channel definitions are incompatible, * chandef1 or chandef2 otherwise. */ const struct cfg80211_chan_def * @@ -392,6 +417,7 @@ cfg80211_chandef_compatible(const struct cfg80211_chan_def *chandef1, /** * cfg80211_chandef_valid - check if a channel definition is valid * @chandef: the channel definition to check + * Return: %true if the channel definition is valid. %false otherwise. */ bool cfg80211_chandef_valid(const struct cfg80211_chan_def *chandef); @@ -399,7 +425,8 @@ bool cfg80211_chandef_valid(const struct cfg80211_chan_def *chandef); * cfg80211_chandef_usable - check if secondary channels can be used * @wiphy: the wiphy to validate against * @chandef: the channel definition to check - * @prohibited_flags: the regulatory chanenl flags that must not be set + * @prohibited_flags: the regulatory channel flags that must not be set + * Return: %true if secondary channels are usable. %false otherwise. */ bool cfg80211_chandef_usable(struct wiphy *wiphy, const struct cfg80211_chan_def *chandef, @@ -521,6 +548,26 @@ struct cfg80211_beacon_data { size_t probe_resp_len; }; +struct mac_address { + u8 addr[ETH_ALEN]; +}; + +/** + * struct cfg80211_acl_data - Access control list data + * + * @acl_policy: ACL policy to be applied on the station's + * entry specified by mac_addr + * @n_acl_entries: Number of MAC address entries passed + * @mac_addrs: List of MAC addresses of stations to be used for ACL + */ +struct cfg80211_acl_data { + enum nl80211_acl_policy acl_policy; + int n_acl_entries; + + /* Keep it last */ + struct mac_address mac_addrs[]; +}; + /** * struct cfg80211_ap_settings - AP configuration * @@ -540,6 +587,9 @@ struct cfg80211_beacon_data { * @inactivity_timeout: time in seconds to determine station's inactivity. * @p2p_ctwindow: P2P CT Window * @p2p_opp_ps: P2P opportunistic PS + * @acl: ACL configuration used by the drivers which has support for + * MAC address based access control + * @radar_required: set if radar detection is required */ struct cfg80211_ap_settings { struct cfg80211_chan_def chandef; @@ -556,6 +606,8 @@ struct cfg80211_ap_settings { int inactivity_timeout; u8 p2p_ctwindow; bool p2p_opp_ps; + const struct cfg80211_acl_data *acl; + bool radar_required; }; /** @@ -574,12 +626,14 @@ enum plink_actions { /** * enum station_parameters_apply_mask - station parameter values to apply * @STATION_PARAM_APPLY_UAPSD: apply new uAPSD parameters (uapsd_queues, max_sp) + * @STATION_PARAM_APPLY_CAPABILITY: apply new capability * * Not all station parameters have in-band "no change" signalling, * for those that don't these flags will are used. */ enum station_parameters_apply_mask { STATION_PARAM_APPLY_UAPSD = BIT(0), + STATION_PARAM_APPLY_CAPABILITY = BIT(1), }; /** @@ -608,6 +662,11 @@ enum station_parameters_apply_mask { * @sta_modify_mask: bitmap indicating which parameters changed * (for those that don't have a natural "no change" value), * see &enum station_parameters_apply_mask + * @local_pm: local link-specific mesh power save mode (no change when set + * to unknown) + * @capability: station capability + * @ext_capab: extended capabilities of the station + * @ext_capab_len: number of extended capabilities */ struct station_parameters { u8 *supported_rates; @@ -623,6 +682,10 @@ struct station_parameters { struct ieee80211_vht_cap *vht_capa; u8 uapsd_queues; u8 max_sp; + enum nl80211_mesh_power_mode local_pm; + u16 capability; + u8 *ext_capab; + u8 ext_capab_len; }; /** @@ -634,14 +697,16 @@ struct station_parameters { * @STATION_INFO_INACTIVE_TIME: @inactive_time filled * @STATION_INFO_RX_BYTES: @rx_bytes filled * @STATION_INFO_TX_BYTES: @tx_bytes filled + * @STATION_INFO_RX_BYTES64: @rx_bytes filled with 64-bit value + * @STATION_INFO_TX_BYTES64: @tx_bytes filled with 64-bit value * @STATION_INFO_LLID: @llid filled * @STATION_INFO_PLID: @plid filled * @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) - * @STATION_INFO_RX_PACKETS: @rx_packets filled - * @STATION_INFO_TX_PACKETS: @tx_packets filled + * @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 * @STATION_INFO_TX_FAILED: @tx_failed filled * @STATION_INFO_RX_DROP_MISC: @rx_dropped_misc filled @@ -653,6 +718,9 @@ struct station_parameters { * @STATION_INFO_STA_FLAGS: @sta_flags filled * @STATION_INFO_BEACON_LOSS_COUNT: @beacon_loss_count filled * @STATION_INFO_T_OFFSET: @t_offset filled + * @STATION_INFO_LOCAL_PM: @local_pm filled + * @STATION_INFO_PEER_PM: @peer_pm filled + * @STATION_INFO_NONPEER_PM: @nonpeer_pm filled */ enum station_info_flags { STATION_INFO_INACTIVE_TIME = 1<<0, @@ -676,6 +744,11 @@ enum station_info_flags { STATION_INFO_STA_FLAGS = 1<<18, STATION_INFO_BEACON_LOSS_COUNT = 1<<19, STATION_INFO_T_OFFSET = 1<<20, + STATION_INFO_LOCAL_PM = 1<<21, + STATION_INFO_PEER_PM = 1<<22, + STATION_INFO_NONPEER_PM = 1<<23, + STATION_INFO_RX_BYTES64 = 1<<24, + STATION_INFO_TX_BYTES64 = 1<<25, }; /** @@ -789,13 +862,16 @@ struct sta_bss_parameters { * @sta_flags: station flags mask & values * @beacon_loss_count: Number of times beacon loss event has triggered. * @t_offset: Time offset of the station relative to this host. + * @local_pm: local mesh STA power save mode + * @peer_pm: peer mesh STA power save mode + * @nonpeer_pm: non-peer mesh STA power save mode */ struct station_info { u32 filled; u32 connected_time; u32 inactive_time; - u32 rx_bytes; - u32 tx_bytes; + u64 rx_bytes; + u64 tx_bytes; u16 llid; u16 plid; u8 plink_state; @@ -818,6 +894,9 @@ struct station_info { u32 beacon_loss_count; s64 t_offset; + enum nl80211_mesh_power_mode local_pm; + enum nl80211_mesh_power_mode peer_pm; + enum nl80211_mesh_power_mode nonpeer_pm; /* * Note: Add a new enum station_info_flags value for each new field and @@ -993,6 +1072,10 @@ struct bss_parameters { * @dot11MeshHWMPconfirmationInterval: The minimum interval of time (in TUs) * during which a mesh STA can send only one Action frame containing * a PREQ element for root path confirmation. + * @power_mode: The default mesh power save mode which will be the initial + * setting for new peer links. + * @dot11MeshAwakeWindowDuration: The duration in TUs the STA will remain awake + * after transmitting its beacon. */ struct mesh_config { u16 dot11MeshRetryTimeout; @@ -1020,6 +1103,8 @@ struct mesh_config { u32 dot11MeshHWMPactivePathToRootTimeout; u16 dot11MeshHWMProotInterval; u16 dot11MeshHWMPconfirmationInterval; + enum nl80211_mesh_power_mode power_mode; + u16 dot11MeshAwakeWindowDuration; }; /** @@ -1034,6 +1119,8 @@ struct mesh_config { * @ie_len: length of vendor information elements * @is_authenticated: this mesh requires authentication * @is_secure: this mesh uses security + * @dtim_period: DTIM period to use + * @beacon_interval: beacon interval to use * @mcast_rate: multicat rate for Mesh Node [6Mbps is the default for 802.11a] * * These parameters are fixed when the mesh is created. @@ -1049,6 +1136,8 @@ struct mesh_setup { u8 ie_len; bool is_authenticated; bool is_secure; + u8 dtim_period; + u16 beacon_interval; int mcast_rate[IEEE80211_NUM_BANDS]; }; @@ -1168,6 +1257,7 @@ struct cfg80211_match_set { * @n_match_sets: number of match sets * @wiphy: the wiphy this was for * @dev: the interface + * @scan_start: start time of the scheduled scan * @channels: channels to scan * @rssi_thold: don't report scan results below this threshold (in s32 dBm) */ @@ -1207,11 +1297,13 @@ enum cfg80211_signal_type { /** * struct cfg80211_bss_ie_data - BSS entry IE data + * @tsf: TSF contained in the frame that carried these IEs * @rcu_head: internal use, for freeing * @len: length of the IEs * @data: IE data */ struct cfg80211_bss_ies { + u64 tsf; struct rcu_head rcu_head; int len; u8 data[]; @@ -1225,29 +1317,32 @@ struct cfg80211_bss_ies { * * @channel: channel this BSS is on * @bssid: BSSID of the BSS - * @tsf: timestamp of last received update * @beacon_interval: the beacon interval as from the frame * @capability: the capability field in host byte order - * @ies: the information elements (Note that there - * is no guarantee that these are well-formed!); this is a pointer to - * either the beacon_ies or proberesp_ies depending on whether Probe - * Response frame has been received + * @ies: the information elements (Note that there is no guarantee that these + * are well-formed!); this is a pointer to either the beacon_ies or + * proberesp_ies depending on whether Probe Response frame has been + * received. It is always non-%NULL. * @beacon_ies: the information elements from the last Beacon frame + * (implementation note: if @hidden_beacon_bss is set this struct doesn't + * own the beacon_ies, but they're just pointers to the ones from the + * @hidden_beacon_bss struct) * @proberesp_ies: the information elements from the last Probe Response frame + * @hidden_beacon_bss: in case this BSS struct represents a probe response from + * 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. * @signal: signal strength value (type depends on the wiphy's signal_type) - * @free_priv: function pointer to free private data * @priv: private area for driver use, has at least wiphy->bss_priv_size bytes */ struct cfg80211_bss { - u64 tsf; - struct ieee80211_channel *channel; const struct cfg80211_bss_ies __rcu *ies; const struct cfg80211_bss_ies __rcu *beacon_ies; const struct cfg80211_bss_ies __rcu *proberesp_ies; - void (*free_priv)(struct cfg80211_bss *bss); + struct cfg80211_bss *hidden_beacon_bss; s32 signal; @@ -1256,7 +1351,7 @@ struct cfg80211_bss { u8 bssid[ETH_ALEN]; - u8 priv[0] __attribute__((__aligned__(sizeof(void *)))); + u8 priv[0] __aligned(sizeof(void *)); }; /** @@ -1266,7 +1361,7 @@ struct cfg80211_bss { * * Note that the return value is an RCU-protected pointer, so * rcu_read_lock() must be held when calling this function. - * Returns %NULL if not found. + * Return: %NULL if not found. */ const u8 *ieee80211_bss_get_ie(struct cfg80211_bss *bss, u8 ie); @@ -1349,6 +1444,8 @@ struct cfg80211_assoc_request { * @ie: Extra IEs to add to Deauthentication frame or %NULL * @ie_len: Length of ie buffer in octets * @reason_code: The reason code for the deauthentication + * @local_state_change: if set, change local state only and + * do not set a deauth frame */ struct cfg80211_deauth_request { const u8 *bssid; @@ -1434,6 +1531,7 @@ struct cfg80211_ibss_params { * @ie: IEs for association request * @ie_len: Length of assoc_ie in octets * @privacy: indicates whether privacy-enabled APs should be used + * @mfp: indicate whether management frame protection is used * @crypto: crypto settings * @key_len: length of WEP key for shared key authentication * @key_idx: index of WEP key for shared key authentication @@ -1454,6 +1552,7 @@ struct cfg80211_connect_params { u8 *ie; size_t ie_len; bool privacy; + enum nl80211_mfp mfp; struct cfg80211_crypto_settings crypto; const u8 *key; u8 key_len, key_idx; @@ -1508,6 +1607,7 @@ struct cfg80211_pmksa { * one bit per byte, in same format as nl80211 * @pattern: bytes to match where bitmask is 1 * @pattern_len: length of pattern (in bytes) + * @pkt_offset: packet offset (in bytes) * * Internal note: @mask and @pattern are allocated in one chunk of * memory, free @mask only! @@ -1515,6 +1615,42 @@ struct cfg80211_pmksa { struct cfg80211_wowlan_trig_pkt_pattern { u8 *mask, *pattern; int pattern_len; + int pkt_offset; +}; + +/** + * struct cfg80211_wowlan_tcp - TCP connection parameters + * + * @sock: (internal) socket for source port allocation + * @src: source IP address + * @dst: destination IP address + * @dst_mac: destination MAC address + * @src_port: source port + * @dst_port: destination port + * @payload_len: data payload length + * @payload: data payload buffer + * @payload_seq: payload sequence stamping configuration + * @data_interval: interval at which to send data packets + * @wake_len: wakeup payload match length + * @wake_data: wakeup payload match data + * @wake_mask: wakeup payload match mask + * @tokens_size: length of the tokens buffer + * @payload_tok: payload token usage configuration + */ +struct cfg80211_wowlan_tcp { + struct socket *sock; + __be32 src, dst; + u16 src_port, dst_port; + u8 dst_mac[ETH_ALEN]; + int payload_len; + const u8 *payload; + struct nl80211_wowlan_tcp_data_seq payload_seq; + u32 data_interval; + u32 wake_len; + const u8 *wake_data, *wake_mask; + u32 tokens_size; + /* must be last, variable member */ + struct nl80211_wowlan_tcp_data_token payload_tok; }; /** @@ -1531,16 +1667,49 @@ struct cfg80211_wowlan_trig_pkt_pattern { * @eap_identity_req: wake up on EAP identity request packet * @four_way_handshake: wake up on 4-way handshake * @rfkill_release: wake up when rfkill is released + * @tcp: TCP connection establishment/wakeup parameters, see nl80211.h. + * NULL if not configured. */ 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_wowlan_tcp *tcp; int n_patterns; }; /** + * struct cfg80211_wowlan_wakeup - wakeup report + * @disconnect: woke up by getting disconnected + * @magic_pkt: woke up by receiving magic packet + * @gtk_rekey_failure: woke up by GTK rekey failure + * @eap_identity_req: woke up by EAP identity request packet + * @four_way_handshake: woke up by 4-way handshake + * @rfkill_release: woke up by rfkill being released + * @pattern_idx: pattern that caused wakeup, -1 if not due to pattern + * @packet_present_len: copied wakeup packet data + * @packet_len: original wakeup packet length + * @packet: The packet causing the wakeup, if any. + * @packet_80211: For pattern match, magic packet and other data + * frame triggers an 802.3 frame should be reported, for + * disconnect due to deauth 802.11 frame. This indicates which + * it is. + * @tcp_match: TCP wakeup packet received + * @tcp_connlost: TCP connection lost or failed to establish + * @tcp_nomoretokens: TCP data ran out of tokens + */ +struct cfg80211_wowlan_wakeup { + bool disconnect, magic_pkt, gtk_rekey_failure, + eap_identity_req, four_way_handshake, + rfkill_release, packet_80211, + tcp_match, tcp_connlost, tcp_nomoretokens; + s32 pattern_idx; + u32 packet_present_len, packet_len; + const void *packet; +}; + +/** * struct cfg80211_gtk_rekey_data - rekey data * @kek: key encryption key * @kck: key confirmation key @@ -1763,6 +1932,15 @@ struct cfg80211_gtk_rekey_data { * * @start_p2p_device: Start the given P2P device. * @stop_p2p_device: Stop the given P2P device. + * + * @set_mac_acl: Sets MAC address control list in AP and P2P GO mode. + * Parameters include ACL policy, an array of MAC address of stations + * and the number of MAC addresses. If there is already a list in driver + * this new list replaces the existing one. Driver has to clear its ACL + * when number of MAC addresses entries is passed as 0. Drivers which + * advertise the support for MAC based ACL have to implement this callback. + * + * @start_radar_detection: Start radar detection in the driver. */ struct cfg80211_ops { int (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow); @@ -1983,6 +2161,13 @@ struct cfg80211_ops { struct wireless_dev *wdev); void (*stop_p2p_device)(struct wiphy *wiphy, struct wireless_dev *wdev); + + int (*set_mac_acl)(struct wiphy *wiphy, struct net_device *dev, + const struct cfg80211_acl_data *params); + + int (*start_radar_detection)(struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_chan_def *chandef); }; /* @@ -2092,6 +2277,7 @@ struct ieee80211_iface_limit { * @beacon_int_infra_match: In this combination, the beacon intervals * between infrastructure and AP types must match. This is required * only in special cases. + * @radar_detect_widths: bitmap of channel widths supported for radar detection * * These examples can be expressed as follows: * @@ -2144,10 +2330,7 @@ struct ieee80211_iface_combination { u16 max_interfaces; u8 n_limits; bool beacon_int_infra_match; -}; - -struct mac_address { - u8 addr[ETH_ALEN]; + u8 radar_detect_widths; }; struct ieee80211_txrx_stypes { @@ -2181,6 +2364,14 @@ enum wiphy_wowlan_support_flags { WIPHY_WOWLAN_RFKILL_RELEASE = BIT(7), }; +struct wiphy_wowlan_tcp_support { + const struct nl80211_wowlan_tcp_data_token_feature *tok; + u32 data_payload_max; + u32 data_interval_max; + u32 wake_payload_max; + bool seq; +}; + /** * struct wiphy_wowlan_support - WoWLAN support data * @flags: see &enum wiphy_wowlan_support_flags @@ -2188,12 +2379,16 @@ enum wiphy_wowlan_support_flags { * (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 + * @tcp: TCP wakeup support information */ struct wiphy_wowlan_support { u32 flags; int n_patterns; int pattern_max_len; int pattern_min_len; + int max_pkt_offset; + const struct wiphy_wowlan_tcp_support *tcp; }; /** @@ -2290,6 +2485,17 @@ struct wiphy_wowlan_support { * @ap_sme_capa: AP SME capabilities, flags from &enum nl80211_ap_sme_features. * @ht_capa_mod_mask: Specify what ht_cap values can be over-ridden. * If null, then none can be over-ridden. + * + * @max_acl_mac_addrs: Maximum number of MAC addresses that the device + * supports for ACL. + * + * @extended_capabilities: extended capabilities supported by the driver, + * additional capabilities might be supported by userspace; these are + * the 802.11 extended capabilities ("Extended Capabilities element") + * and are in the same format as in the information element. See + * 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 */ struct wiphy { /* assign these fields before you register the wiphy */ @@ -2311,6 +2517,8 @@ struct wiphy { /* Supported interface modes, OR together BIT(NL80211_IFTYPE_...) */ u16 interface_modes; + u16 max_acl_mac_addrs; + u32 flags, features; u32 ap_sme_capa; @@ -2333,7 +2541,7 @@ struct wiphy { u32 rts_threshold; u8 coverage_class; - char fw_version[ETHTOOL_BUSINFO_LEN]; + char fw_version[ETHTOOL_FWVERS_LEN]; u32 hw_version; #ifdef CONFIG_PM @@ -2354,6 +2562,9 @@ struct wiphy { */ u32 probe_resp_offload; + const u8 *extended_capabilities, *extended_capabilities_mask; + u8 extended_capabilities_len; + /* If multiple wiphys are registered and you're handed e.g. * a regular netdev with assigned ieee80211_ptr, you won't * know whether it points to a wiphy your driver has registered @@ -2364,12 +2575,12 @@ struct wiphy { struct ieee80211_supported_band *bands[IEEE80211_NUM_BANDS]; /* Lets us get back the wiphy on the callback */ - int (*reg_notifier)(struct wiphy *wiphy, - struct regulatory_request *request); + void (*reg_notifier)(struct wiphy *wiphy, + struct regulatory_request *request); /* fields below are read-only, assigned by cfg80211 */ - const struct ieee80211_regdomain *regd; + const struct ieee80211_regdomain __rcu *regd; /* the item in /sys/class/ieee80211/ points to this, * you need use set_wiphy_dev() (see below) */ @@ -2392,7 +2603,7 @@ struct wiphy { const struct iw_handler_def *wext; #endif - char priv[0] __attribute__((__aligned__(NETDEV_ALIGN))); + char priv[0] __aligned(NETDEV_ALIGN); }; static inline struct net *wiphy_net(struct wiphy *wiphy) @@ -2409,6 +2620,7 @@ static inline void wiphy_net_set(struct wiphy *wiphy, struct net *net) * wiphy_priv - return priv from wiphy * * @wiphy: the wiphy whose priv pointer to return + * Return: The priv of @wiphy. */ static inline void *wiphy_priv(struct wiphy *wiphy) { @@ -2420,6 +2632,7 @@ static inline void *wiphy_priv(struct wiphy *wiphy) * priv_to_wiphy - return the wiphy containing the priv * * @priv: a pointer previously returned by wiphy_priv + * Return: The wiphy of @priv. */ static inline struct wiphy *priv_to_wiphy(void *priv) { @@ -2442,6 +2655,7 @@ static inline void set_wiphy_dev(struct wiphy *wiphy, struct device *dev) * wiphy_dev - get wiphy dev pointer * * @wiphy: The wiphy whose device struct to look up + * Return: The dev of @wiphy. */ static inline struct device *wiphy_dev(struct wiphy *wiphy) { @@ -2452,6 +2666,7 @@ static inline struct device *wiphy_dev(struct wiphy *wiphy) * wiphy_name - get wiphy name * * @wiphy: The wiphy whose name to return + * Return: The name of @wiphy. */ static inline const char *wiphy_name(const struct wiphy *wiphy) { @@ -2467,8 +2682,8 @@ static inline const char *wiphy_name(const struct wiphy *wiphy) * Create a new wiphy and associate the given operations with it. * @sizeof_priv bytes are allocated for private use. * - * The returned pointer must be assigned to each netdev's - * ieee80211_ptr for proper operation. + * Return: A pointer to the new wiphy. This pointer must be + * assigned to each netdev's ieee80211_ptr for proper operation. */ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv); @@ -2477,7 +2692,7 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv); * * @wiphy: The wiphy to register. * - * Returns a non-negative wiphy index or a negative error code. + * Return: A non-negative wiphy index or a negative error code. */ extern int wiphy_register(struct wiphy *wiphy); @@ -2529,7 +2744,6 @@ struct cfg80211_cached_keys; * the user-set AP, monitor and WDS channel * @preset_chan: (private) Used by the internal configuration code to * track the channel to be used for AP later - * @preset_chantype: (private) the corresponding channel type * @bssid: (private) Used by the internal configuration code * @ssid: (private) Used by the internal configuration code * @ssid_len: (private) Used by the internal configuration code @@ -2548,6 +2762,8 @@ struct cfg80211_cached_keys; * beacons, 0 when not valid * @address: The address for this device, valid only if @netdev is %NULL * @p2p_started: true if this is a P2P Device that has been started + * @cac_started: true if DFS channel availability check has been started + * @cac_start_time: timestamp (jiffies) when the dfs state was entered. */ struct wireless_dev { struct wiphy *wiphy; @@ -2599,6 +2815,9 @@ struct wireless_dev { u32 ap_unexpected_nlportid; + bool cac_started; + unsigned long cac_start_time; + #ifdef CONFIG_CFG80211_WEXT /* wext data */ struct { @@ -2626,6 +2845,7 @@ static inline u8 *wdev_address(struct wireless_dev *wdev) * wdev_priv - return wiphy priv from wireless_dev * * @wdev: The wireless device whose wiphy's priv pointer to return + * Return: The wiphy priv of @wdev. */ static inline void *wdev_priv(struct wireless_dev *wdev) { @@ -2643,12 +2863,14 @@ static inline void *wdev_priv(struct wireless_dev *wdev) * ieee80211_channel_to_frequency - convert channel number to frequency * @chan: channel number * @band: band, necessary due to channel number overlap + * Return: The corresponding frequency (in MHz), or 0 if the conversion failed. */ extern int ieee80211_channel_to_frequency(int chan, enum ieee80211_band band); /** * ieee80211_frequency_to_channel - convert frequency to channel number * @freq: center frequency + * Return: The corresponding channel, or 0 if the conversion failed. */ extern int ieee80211_frequency_to_channel(int freq); @@ -2665,6 +2887,7 @@ extern struct ieee80211_channel *__ieee80211_get_channel(struct wiphy *wiphy, * ieee80211_get_channel - get channel struct from wiphy for specified frequency * @wiphy: the struct wiphy to get the channel for * @freq: the center frequency of the channel + * Return: The channel struct from @wiphy at @freq. */ static inline struct ieee80211_channel * ieee80211_get_channel(struct wiphy *wiphy, int freq) @@ -2679,10 +2902,10 @@ ieee80211_get_channel(struct wiphy *wiphy, int freq) * @basic_rates: bitmap of basic rates * @bitrate: the bitrate for which to find the basic rate * - * This function returns the basic rate corresponding to a given - * bitrate, that is the next lower bitrate contained in the basic - * rate map, which is, for this function, given as a bitmap of - * indices of rates in the band's bitrate table. + * Return: The basic rate corresponding to a given bitrate, that + * is the next lower bitrate contained in the basic rate map, + * which is, for this function, given as a bitmap of indices of + * rates in the band's bitrate table. */ struct ieee80211_rate * ieee80211_get_response_rate(struct ieee80211_supported_band *sband, @@ -2775,18 +2998,21 @@ extern const unsigned char bridge_tunnel_header[6]; /** * ieee80211_get_hdrlen_from_skb - get header length from data * + * @skb: the frame + * * Given an skb with a raw 802.11 header at the data pointer this function - * returns the 802.11 header length in bytes (not including encryption - * headers). If the data in the sk_buff is too short to contain a valid 802.11 - * header the function returns 0. + * returns the 802.11 header length. * - * @skb: the frame + * Return: The 802.11 header length in bytes (not including encryption + * headers). Or 0 if the data in the sk_buff is too short to contain a valid + * 802.11 header. */ unsigned int ieee80211_get_hdrlen_from_skb(const struct sk_buff *skb); /** * ieee80211_hdrlen - get header length in bytes from frame control * @fc: frame control field in little-endian format + * Return: The header length in bytes. */ unsigned int __attribute_const__ ieee80211_hdrlen(__le16 fc); @@ -2794,7 +3020,7 @@ unsigned int __attribute_const__ ieee80211_hdrlen(__le16 fc); * ieee80211_get_mesh_hdrlen - get mesh extension header length * @meshhdr: the mesh extension header, only the flags field * (first byte) will be accessed - * Returns the length of the extension header, which is always at + * Return: The length of the extension header, which is always at * least 6 bytes and at most 18 if address 5 and 6 are present. */ unsigned int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr); @@ -2812,6 +3038,7 @@ unsigned int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr); * @skb: the 802.11 data frame * @addr: the device MAC address * @iftype: the virtual interface type + * Return: 0 on success. Non-zero on error. */ int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr, enum nl80211_iftype iftype); @@ -2823,6 +3050,7 @@ int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr, * @iftype: the virtual interface type * @bssid: the network bssid (used only for iftype STATION and ADHOC) * @qos: build 802.11 QoS data frame + * Return: 0 on success, or a negative error code. */ int ieee80211_data_from_8023(struct sk_buff *skb, const u8 *addr, enum nl80211_iftype iftype, u8 *bssid, bool qos); @@ -2850,6 +3078,7 @@ void ieee80211_amsdu_to_8023s(struct sk_buff *skb, struct sk_buff_head *list, /** * cfg80211_classify8021d - determine the 802.1p/1d tag for a data frame * @skb: the data frame + * Return: The 802.1p/1d tag. */ unsigned int cfg80211_classify8021d(struct sk_buff *skb); @@ -2860,12 +3089,13 @@ unsigned int cfg80211_classify8021d(struct sk_buff *skb); * @ies: data consisting of IEs * @len: length of data * - * This function will 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 a pointer to the first byte - * of the requested element, that is the byte containing the - * element ID. There are no checks on the element length - * other than having to fit into the given 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 a pointer to the first byte of the requested + * element, that is the byte containing the element ID. + * + * Note: There are no checks on the element length other than + * having to fit into the given data. */ const u8 *cfg80211_find_ie(u8 eid, const u8 *ies, int len); @@ -2877,12 +3107,13 @@ const u8 *cfg80211_find_ie(u8 eid, const u8 *ies, int len); * @ies: data consisting of IEs * @len: length of data * - * This function will 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), or a pointer to the first byte - * of the requested element, that is the byte containing the - * element ID. There are no checks on the element length - * other than having to fit into the given 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), or a pointer to + * the first byte of the requested element, that is the byte containing the + * element ID. + * + * 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, u8 oui_type, const u8 *ies, int len); @@ -2915,6 +3146,8 @@ const u8 *cfg80211_find_vendor_ie(unsigned int oui, u8 oui_type, * * Drivers should check the return value, its possible you can get * an -ENOMEM. + * + * Return: 0 on success. -ENOMEM. */ extern int regulatory_hint(struct wiphy *wiphy, const char *alpha2); @@ -2938,28 +3171,22 @@ extern void wiphy_apply_custom_regulatory( * freq_reg_info - get regulatory information for the given frequency * @wiphy: the wiphy for which we want to process this rule for * @center_freq: Frequency in KHz for which we want regulatory information for - * @desired_bw_khz: the desired max bandwidth you want to use per - * channel. Note that this is still 20 MHz if you want to use HT40 - * as HT40 makes use of two channels for its 40 MHz width bandwidth. - * If set to 0 we'll assume you want the standard 20 MHz. - * @reg_rule: the regulatory rule which we have for this frequency * * Use this function to get the regulatory rule for a specific frequency on * a given wireless device. If the device has a specific regulatory domain * it wants to follow we respect that unless a country IE has been received * and processed already. * - * Returns 0 if it was able to find a valid regulatory rule which does - * apply to the given center_freq otherwise it returns non-zero. It will - * also return -ERANGE if we determine the given center_freq does not even have - * a regulatory rule for a frequency range in the center_freq's band. See - * freq_in_rule_band() for our current definition of a band -- this is purely - * subjective and right now its 802.11 specific. + * Return: A valid pointer, or, when an error occurs, for example if no rule + * can be found, the return value is encoded using ERR_PTR(). Use IS_ERR() to + * check and PTR_ERR() to obtain the numeric return value. The numeric return + * value will be -ERANGE if we determine the given center_freq does not even + * have a regulatory rule for a frequency range in the center_freq's band. + * See freq_in_rule_band() for our current definition of a band -- this is + * purely subjective and right now it's 802.11 specific. */ -extern int freq_reg_info(struct wiphy *wiphy, - u32 center_freq, - u32 desired_bw_khz, - const struct ieee80211_reg_rule **reg_rule); +const struct ieee80211_reg_rule *freq_reg_info(struct wiphy *wiphy, + u32 center_freq); /* * callbacks for asynchronous cfg80211 methods, notification @@ -3006,7 +3233,8 @@ void cfg80211_sched_scan_stopped(struct wiphy *wiphy); * This informs cfg80211 that BSS information was found and * the BSS should be updated/added. * - * NOTE: Returns a referenced struct, must be released with cfg80211_put_bss()! + * Return: A referenced struct, must be released with cfg80211_put_bss()! + * Or %NULL on error. */ struct cfg80211_bss * __must_check cfg80211_inform_bss_frame(struct wiphy *wiphy, @@ -3031,7 +3259,8 @@ cfg80211_inform_bss_frame(struct wiphy *wiphy, * This informs cfg80211 that BSS information was found and * the BSS should be updated/added. * - * NOTE: Returns a referenced struct, must be released with cfg80211_put_bss()! + * Return: A referenced struct, must be released with cfg80211_put_bss()! + * Or %NULL on error. */ struct cfg80211_bss * __must_check cfg80211_inform_bss(struct wiphy *wiphy, @@ -3054,25 +3283,23 @@ cfg80211_get_ibss(struct wiphy *wiphy, WLAN_CAPABILITY_IBSS, WLAN_CAPABILITY_IBSS); } -struct cfg80211_bss *cfg80211_get_mesh(struct wiphy *wiphy, - struct ieee80211_channel *channel, - const u8 *meshid, size_t meshidlen, - const u8 *meshcfg); /** * cfg80211_ref_bss - reference BSS struct + * @wiphy: the wiphy this BSS struct belongs to * @bss: the BSS struct to reference * * Increments the refcount of the given BSS struct. */ -void cfg80211_ref_bss(struct cfg80211_bss *bss); +void cfg80211_ref_bss(struct wiphy *wiphy, struct cfg80211_bss *bss); /** * cfg80211_put_bss - unref BSS struct + * @wiphy: the wiphy this BSS struct belongs to * @bss: the BSS struct * * Decrements the refcount of the given BSS struct. */ -void cfg80211_put_bss(struct cfg80211_bss *bss); +void cfg80211_put_bss(struct wiphy *wiphy, struct cfg80211_bss *bss); /** * cfg80211_unlink_bss - unlink BSS from internal data structures @@ -3308,16 +3535,18 @@ void wiphy_rfkill_stop_polling(struct wiphy *wiphy); * the testmode command. Since it is intended for a reply, calling * it outside of the @testmode_cmd operation is invalid. * - * The returned skb (or %NULL if any errors happen) is pre-filled - * with the wiphy index and set up in a way that any data that is - * put into the skb (with skb_put(), nla_put() or similar) will end - * up being within the %NL80211_ATTR_TESTDATA attribute, so all that - * needs to be done with the skb is adding data for the corresponding - * userspace tool which can then read that data out of the testdata - * attribute. You must not modify the skb in any other way. + * The returned skb is pre-filled with the wiphy index and set up in + * a way that any data that is put into the skb (with skb_put(), + * nla_put() or similar) will end up being within the + * %NL80211_ATTR_TESTDATA attribute, so all that needs to be done + * with the skb is adding data for the corresponding userspace tool + * which can then read that data out of the testdata attribute. You + * must not modify the skb in any other way. * * When done, call cfg80211_testmode_reply() with the skb and return * its error code as the result of the @testmode_cmd operation. + * + * Return: An allocated and pre-filled skb. %NULL if any errors happen. */ struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy, int approxlen); @@ -3327,11 +3556,12 @@ struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy, * @skb: The skb, must have been allocated with * cfg80211_testmode_alloc_reply_skb() * - * Returns an error code or 0 on success, since calling this - * function will usually be the last thing before returning - * from the @testmode_cmd you should return the error code. - * Note that this function consumes the skb regardless of the - * return value. + * Since calling this function will usually be the last thing + * before returning from the @testmode_cmd you should return + * the error code. Note that this function consumes the skb + * regardless of the return value. + * + * Return: An error code or 0 on success. */ int cfg80211_testmode_reply(struct sk_buff *skb); @@ -3345,14 +3575,16 @@ int cfg80211_testmode_reply(struct sk_buff *skb); * This function allocates and pre-fills an skb for an event on the * testmode multicast group. * - * The returned skb (or %NULL if any errors happen) is set up in the - * same way as with cfg80211_testmode_alloc_reply_skb() but prepared - * for an event. As there, you should simply add data to it that will - * then end up in the %NL80211_ATTR_TESTDATA attribute. Again, you must - * not modify the skb in any other way. + * The returned skb is set up in the same way as with + * cfg80211_testmode_alloc_reply_skb() but prepared for an event. As + * there, you should simply add data to it that will then end up in the + * %NL80211_ATTR_TESTDATA attribute. Again, you must not modify the skb + * in any other way. * * When done filling the skb, call cfg80211_testmode_event() with the * skb to send the event. + * + * Return: An allocated and pre-filled skb. %NULL if any errors happen. */ struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy, int approxlen, gfp_t gfp); @@ -3533,13 +3765,13 @@ void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, * @len: length of the frame data * @gfp: context flags * - * Returns %true if a user space application has registered for this frame. + * This function is called whenever an Action frame is received for a station + * mode interface, but is not processed in kernel. + * + * Return: %true if a user space application has registered for this frame. * For action frames, that makes it responsible for rejecting unrecognized * action frames; %false otherwise, in which case for action frames the * driver is responsible for rejecting the frame. - * - * This function is called whenever an Action frame is received for a station - * mode interface, but is not processed in kernel. */ bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_dbm, const u8 *buf, size_t len, gfp_t gfp); @@ -3575,6 +3807,31 @@ void cfg80211_cqm_rssi_notify(struct net_device *dev, gfp_t gfp); /** + * cfg80211_radar_event - radar detection event + * @wiphy: the wiphy + * @chandef: chandef for the current channel + * @gfp: context flags + * + * This function is called when a radar is detected on the current chanenl. + */ +void cfg80211_radar_event(struct wiphy *wiphy, + struct cfg80211_chan_def *chandef, gfp_t gfp); + +/** + * cfg80211_cac_event - Channel availability check (CAC) event + * @netdev: network device + * @event: type of event + * @gfp: context flags + * + * This function is called when a Channel availability check (CAC) is finished + * or aborted. This must be called to notify the completion of a CAC process, + * also by full-MAC drivers. + */ +void cfg80211_cac_event(struct net_device *netdev, + enum nl80211_radar_event event, gfp_t gfp); + + +/** * cfg80211_cqm_pktloss_notify - notify userspace about packetloss to peer * @dev: network device * @peer: peer's MAC address @@ -3631,7 +3888,7 @@ void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, * This function is used in AP mode (only!) to inform userspace that * a spurious class 3 frame was received, to be able to deauth the * sender. - * Returns %true if the frame was passed to userspace (or this failed + * Return: %true if the frame was passed to userspace (or this failed * for a reason other than not having a subscription.) */ bool cfg80211_rx_spurious_frame(struct net_device *dev, @@ -3647,7 +3904,7 @@ bool cfg80211_rx_spurious_frame(struct net_device *dev, * an associated station sent a 4addr frame but that wasn't expected. * It is allowed and desirable to send this event only once for each * station to avoid event flooding. - * Returns %true if the frame was passed to userspace (or this failed + * Return: %true if the frame was passed to userspace (or this failed * for a reason other than not having a subscription.) */ bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, @@ -3685,8 +3942,8 @@ void cfg80211_report_obss_beacon(struct wiphy *wiphy, * @wiphy: the wiphy * @chandef: the channel definition * - * This function returns true if there is no secondary channel or the secondary - * channel(s) can be used for beaconing (i.e. is not a radar channel etc.) + * Return: %true if there is no secondary channel or the secondary channel(s) + * can be used for beaconing (i.e. is not a radar channel etc.) */ bool cfg80211_reg_can_beacon(struct wiphy *wiphy, struct cfg80211_chan_def *chandef); @@ -3756,14 +4013,29 @@ void cfg80211_unregister_wdev(struct wireless_dev *wdev); * The function finds a given P2P attribute in the (vendor) IEs and * copies its contents to the given buffer. * - * The return value is a negative error code (-%EILSEQ or -%ENOENT) if - * the data is malformed or the attribute can't be found (respectively), - * or the length of the found attribute (which can be zero). + * Return: A negative error code (-%EILSEQ or -%ENOENT) if the data is + * malformed or the attribute can't be found (respectively), or the + * length of the found attribute (which can be zero). */ int cfg80211_get_p2p_attr(const u8 *ies, unsigned int len, enum ieee80211_p2p_attr_id attr, u8 *buf, unsigned int bufsize); +/** + * cfg80211_report_wowlan_wakeup - report wakeup from WoWLAN + * @wdev: the wireless device reporting the wakeup + * @wakeup: the wakeup report + * @gfp: allocation flags + * + * This function reports that the given device woke up. If it + * caused the wakeup, report the reason(s), otherwise you may + * pass %NULL as the @wakeup parameter to advertise that something + * else caused the wakeup. + */ +void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, + struct cfg80211_wowlan_wakeup *wakeup, + gfp_t gfp); + /* Logging, debugging and troubleshooting/diagnostic helpers. */ /* wiphy_printk helpers, similar to dev_printk */ |