diff options
Diffstat (limited to 'include/net/cfg80211.h')
| -rw-r--r-- | include/net/cfg80211.h | 726 |
1 files changed, 596 insertions, 130 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index cb710913d5c..e46c437944f 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -91,9 +91,8 @@ enum ieee80211_band { * Channel flags set by the regulatory control code. * * @IEEE80211_CHAN_DISABLED: This channel is disabled. - * @IEEE80211_CHAN_PASSIVE_SCAN: Only passive scanning is permitted - * on this channel. - * @IEEE80211_CHAN_NO_IBSS: IBSS is not allowed on this channel. + * @IEEE80211_CHAN_NO_IR: do not initiate radiation, this includes + * sending probe requests or beaconing. * @IEEE80211_CHAN_RADAR: Radar detection is required on this channel. * @IEEE80211_CHAN_NO_HT40PLUS: extension channel above this channel * is not permitted. @@ -110,17 +109,28 @@ enum ieee80211_band { * 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_INDOOR_ONLY: see %NL80211_FREQUENCY_ATTR_INDOOR_ONLY + * @IEEE80211_CHAN_GO_CONCURRENT: see %NL80211_FREQUENCY_ATTR_GO_CONCURRENT + * @IEEE80211_CHAN_NO_20MHZ: 20 MHz bandwidth is not permitted + * on this channel. + * @IEEE80211_CHAN_NO_10MHZ: 10 MHz bandwidth is not permitted + * on this channel. + * */ enum ieee80211_channel_flags { IEEE80211_CHAN_DISABLED = 1<<0, - IEEE80211_CHAN_PASSIVE_SCAN = 1<<1, - IEEE80211_CHAN_NO_IBSS = 1<<2, + IEEE80211_CHAN_NO_IR = 1<<1, + /* hole at 1<<2 */ IEEE80211_CHAN_RADAR = 1<<3, 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, + IEEE80211_CHAN_INDOOR_ONLY = 1<<9, + IEEE80211_CHAN_GO_CONCURRENT = 1<<10, + IEEE80211_CHAN_NO_20MHZ = 1<<11, + IEEE80211_CHAN_NO_10MHZ = 1<<12, }; #define IEEE80211_CHAN_NO_HT40 \ @@ -152,6 +162,7 @@ enum ieee80211_channel_flags { * @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. + * @dfs_cac_ms: DFS CAC time in milliseconds, this is valid for DFS channels. */ struct ieee80211_channel { enum ieee80211_band band; @@ -166,6 +177,7 @@ struct ieee80211_channel { int orig_mag, orig_mpwr; enum nl80211_dfs_state dfs_state; unsigned long dfs_state_entered; + unsigned int dfs_cac_ms; }; /** @@ -329,8 +341,8 @@ struct vif_params { * @seq_len: length of @seq. */ struct key_params { - u8 *key; - u8 *seq; + const u8 *key; + const u8 *seq; int key_len; int seq_len; u32 cipher; @@ -437,6 +449,18 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy, u32 prohibited_flags); /** + * cfg80211_chandef_dfs_required - checks if radar detection is required + * @wiphy: the wiphy to validate against + * @chandef: the channel definition to check + * @iftype: the interface type as specified in &enum nl80211_iftype + * Returns: + * 1 if radar detection is required, 0 if it is not, < 0 on error + */ +int cfg80211_chandef_dfs_required(struct wiphy *wiphy, + const struct cfg80211_chan_def *chandef, + enum nl80211_iftype iftype); + +/** * ieee80211_chandef_rate_flags - returns rate flags for a channel * * In some channel types, not all rates may be used - for example CCK @@ -644,7 +668,6 @@ struct cfg80211_acl_data { * @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; @@ -662,7 +685,6 @@ struct cfg80211_ap_settings { u8 p2p_ctwindow; bool p2p_opp_ps; const struct cfg80211_acl_data *acl; - bool radar_required; }; /** @@ -672,8 +694,10 @@ struct cfg80211_ap_settings { * * @chandef: defines the channel to use after the switch * @beacon_csa: beacon data while performing the switch - * @counter_offset_beacon: offset for the counter within the beacon (tail) - * @counter_offset_presp: offset for the counter within the probe response + * @counter_offsets_beacon: offsets of the counters within the beacon (tail) + * @counter_offsets_presp: offsets of the counters within the probe response + * @n_counter_offsets_beacon: number of csa counters the beacon (tail) + * @n_counter_offsets_presp: number of csa counters in the probe response * @beacon_after: beacon data to be used on the new channel * @radar_required: whether radar detection is required on the new channel * @block_tx: whether transmissions should be blocked while changing @@ -682,7 +706,10 @@ struct cfg80211_ap_settings { struct cfg80211_csa_settings { struct cfg80211_chan_def chandef; struct cfg80211_beacon_data beacon_csa; - u16 counter_offset_beacon, counter_offset_presp; + const u16 *counter_offsets_beacon; + const u16 *counter_offsets_presp; + unsigned int n_counter_offsets_beacon; + unsigned int n_counter_offsets_presp; struct cfg80211_beacon_data beacon_after; bool radar_required; bool block_tx; @@ -735,6 +762,12 @@ enum station_parameters_apply_mask { * @capability: station capability * @ext_capab: extended capabilities of the station * @ext_capab_len: number of extended capabilities + * @supported_channels: supported channels in IEEE 802.11 format + * @supported_channels_len: number of supported channels + * @supported_oper_classes: supported oper classes in IEEE 802.11 format + * @supported_oper_classes_len: number of supported operating classes + * @opmode_notif: operating mode field from Operating Mode Notification + * @opmode_notif_used: information if operating mode field is used */ struct station_parameters { const u8 *supported_rates; @@ -754,6 +787,12 @@ struct station_parameters { u16 capability; const u8 *ext_capab; u8 ext_capab_len; + const u8 *supported_channels; + u8 supported_channels_len; + const u8 *supported_oper_classes; + u8 supported_oper_classes_len; + u8 opmode_notif; + bool opmode_notif_used; }; /** @@ -834,36 +873,38 @@ int cfg80211_check_station_change(struct wiphy *wiphy, * @STATION_INFO_NONPEER_PM: @nonpeer_pm filled * @STATION_INFO_CHAIN_SIGNAL: @chain_signal filled * @STATION_INFO_CHAIN_SIGNAL_AVG: @chain_signal_avg filled + * @STATION_INFO_EXPECTED_THROUGHPUT: @expected_throughput filled */ enum station_info_flags { - STATION_INFO_INACTIVE_TIME = 1<<0, - STATION_INFO_RX_BYTES = 1<<1, - STATION_INFO_TX_BYTES = 1<<2, - STATION_INFO_LLID = 1<<3, - STATION_INFO_PLID = 1<<4, - STATION_INFO_PLINK_STATE = 1<<5, - STATION_INFO_SIGNAL = 1<<6, - STATION_INFO_TX_BITRATE = 1<<7, - STATION_INFO_RX_PACKETS = 1<<8, - STATION_INFO_TX_PACKETS = 1<<9, - STATION_INFO_TX_RETRIES = 1<<10, - STATION_INFO_TX_FAILED = 1<<11, - STATION_INFO_RX_DROP_MISC = 1<<12, - STATION_INFO_SIGNAL_AVG = 1<<13, - STATION_INFO_RX_BITRATE = 1<<14, - STATION_INFO_BSS_PARAM = 1<<15, - STATION_INFO_CONNECTED_TIME = 1<<16, - STATION_INFO_ASSOC_REQ_IES = 1<<17, - 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, - STATION_INFO_CHAIN_SIGNAL = 1<<26, - STATION_INFO_CHAIN_SIGNAL_AVG = 1<<27, + STATION_INFO_INACTIVE_TIME = BIT(0), + STATION_INFO_RX_BYTES = BIT(1), + STATION_INFO_TX_BYTES = BIT(2), + STATION_INFO_LLID = BIT(3), + STATION_INFO_PLID = BIT(4), + STATION_INFO_PLINK_STATE = BIT(5), + STATION_INFO_SIGNAL = BIT(6), + STATION_INFO_TX_BITRATE = BIT(7), + STATION_INFO_RX_PACKETS = BIT(8), + STATION_INFO_TX_PACKETS = BIT(9), + STATION_INFO_TX_RETRIES = BIT(10), + STATION_INFO_TX_FAILED = BIT(11), + STATION_INFO_RX_DROP_MISC = BIT(12), + STATION_INFO_SIGNAL_AVG = BIT(13), + STATION_INFO_RX_BITRATE = BIT(14), + STATION_INFO_BSS_PARAM = BIT(15), + STATION_INFO_CONNECTED_TIME = BIT(16), + STATION_INFO_ASSOC_REQ_IES = BIT(17), + STATION_INFO_STA_FLAGS = BIT(18), + STATION_INFO_BEACON_LOSS_COUNT = BIT(19), + STATION_INFO_T_OFFSET = BIT(20), + STATION_INFO_LOCAL_PM = BIT(21), + STATION_INFO_PEER_PM = BIT(22), + STATION_INFO_NONPEER_PM = BIT(23), + STATION_INFO_RX_BYTES64 = BIT(24), + STATION_INFO_TX_BYTES64 = BIT(25), + STATION_INFO_CHAIN_SIGNAL = BIT(26), + STATION_INFO_CHAIN_SIGNAL_AVG = BIT(27), + STATION_INFO_EXPECTED_THROUGHPUT = BIT(28), }; /** @@ -985,6 +1026,8 @@ struct sta_bss_parameters { * @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 + * @expected_throughput: expected throughput in kbps (including 802.11 headers) + * towards this station. */ struct station_info { u32 filled; @@ -1023,6 +1066,8 @@ struct station_info { enum nl80211_mesh_power_mode peer_pm; enum nl80211_mesh_power_mode nonpeer_pm; + u32 expected_throughput; + /* * Note: Add a new enum station_info_flags value for each new field and * use it to check which fields are initialized. @@ -1030,6 +1075,19 @@ struct station_info { }; /** + * cfg80211_get_station - retrieve information about a given station + * @dev: the device where the station is supposed to be connected to + * @mac_addr: the mac address of the station of interest + * @sinfo: pointer to the structure to fill with the information + * + * Returns 0 on success and sinfo is filled with the available information + * otherwise returns a negative error code and the content of sinfo has to be + * considered undefined. + */ +int cfg80211_get_station(struct net_device *dev, const u8 *mac_addr, + struct station_info *sinfo); + +/** * enum monitor_flags - monitor flags * * Monitor interface configuration flags. Note that these must be the bits @@ -1130,7 +1188,7 @@ struct bss_parameters { int use_cts_prot; int use_short_preamble; int use_short_slot_time; - u8 *basic_rates; + const u8 *basic_rates; u8 basic_rates_len; int ap_isolate; int ht_opmode; @@ -1374,10 +1432,12 @@ struct cfg80211_scan_request { /** * struct cfg80211_match_set - sets of attributes to match * - * @ssid: SSID to be matched + * @ssid: SSID to be matched; may be zero-length for no match (RSSI only) + * @rssi_thold: don't report scan results below this threshold (in s32 dBm) */ struct cfg80211_match_set { struct cfg80211_ssid ssid; + s32 rssi_thold; }; /** @@ -1400,7 +1460,8 @@ struct cfg80211_match_set { * @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) + * @min_rssi_thold: for drivers only supporting a single threshold, this + * contains the minimum over all matchsets */ struct cfg80211_sched_scan_request { struct cfg80211_ssid *ssids; @@ -1413,7 +1474,7 @@ struct cfg80211_sched_scan_request { u32 flags; struct cfg80211_match_set *match_sets; int n_match_sets; - s32 rssi_thold; + s32 min_rssi_thold; /* internal */ struct wiphy *wiphy; @@ -1647,6 +1708,9 @@ struct cfg80211_disassoc_request { * sets/clears %NL80211_STA_FLAG_AUTHORIZED. If true, the driver is * required to assume that the port is unauthorized until authorized by * user space. Otherwise, port is marked authorized by default. + * @userspace_handles_dfs: whether user space controls DFS operation, i.e. + * changes the channel when a radar is detected. This is required + * to operate on DFS channels. * @basic_rates: bitmap of basic rates to use when creating the IBSS * @mcast_rate: per-band multicast rate index + 1 (0: disabled) * @ht_capa: HT Capabilities over-rides. Values set in ht_capa_mask @@ -1654,16 +1718,17 @@ struct cfg80211_disassoc_request { * @ht_capa_mask: The bits of ht_capa which are to be used. */ struct cfg80211_ibss_params { - u8 *ssid; - u8 *bssid; + const u8 *ssid; + const u8 *bssid; struct cfg80211_chan_def chandef; - u8 *ie; + const u8 *ie; u8 ssid_len, ie_len; u16 beacon_interval; u32 basic_rates; bool channel_fixed; bool privacy; bool control_port; + bool userspace_handles_dfs; int mcast_rate[IEEE80211_NUM_BANDS]; struct ieee80211_ht_cap ht_capa; struct ieee80211_ht_cap ht_capa_mask; @@ -1677,8 +1742,14 @@ struct cfg80211_ibss_params { * * @channel: The channel to use or %NULL if not specified (auto-select based * on scan results) + * @channel_hint: The channel of the recommended BSS for initial connection or + * %NULL if not specified * @bssid: The AP BSSID or %NULL if not specified (auto-select based on scan * results) + * @bssid_hint: The recommended AP BSSID for initial connection to the BSS or + * %NULL if not specified. Unlike the @bssid parameter, the driver is + * allowed to ignore this @bssid_hint if it has knowledge of a better BSS + * to use. * @ssid: SSID * @ssid_len: Length of ssid in octets * @auth_type: Authentication type (algorithm) @@ -1701,11 +1772,13 @@ struct cfg80211_ibss_params { */ struct cfg80211_connect_params { struct ieee80211_channel *channel; - u8 *bssid; - u8 *ssid; + struct ieee80211_channel *channel_hint; + const u8 *bssid; + const u8 *bssid_hint; + const u8 *ssid; size_t ssid_len; enum nl80211_auth_type auth_type; - u8 *ie; + const u8 *ie; size_t ie_len; bool privacy; enum nl80211_mfp mfp; @@ -1742,7 +1815,9 @@ enum wiphy_params_flags { struct cfg80211_bitrate_mask { struct { u32 legacy; - u8 mcs[IEEE80211_HT_MCS_MASK_LEN]; + u8 ht_mcs[IEEE80211_HT_MCS_MASK_LEN]; + u16 vht_mcs[NL80211_VHT_NSS_MAX]; + enum nl80211_txrate_gi gi; } control[IEEE80211_NUM_BANDS]; }; /** @@ -1755,8 +1830,8 @@ struct cfg80211_bitrate_mask { * @pmkid: The PMK material itself. */ struct cfg80211_pmksa { - u8 *bssid; - u8 *pmkid; + const u8 *bssid; + const u8 *pmkid; }; /** @@ -1771,7 +1846,7 @@ struct cfg80211_pmksa { * memory, free @mask only! */ struct cfg80211_pkt_pattern { - u8 *mask, *pattern; + const u8 *mask, *pattern; int pattern_len; int pkt_offset; }; @@ -1924,6 +1999,77 @@ struct cfg80211_update_ft_ies_params { }; /** + * struct cfg80211_mgmt_tx_params - mgmt tx parameters + * + * This structure provides information needed to transmit a mgmt frame + * + * @chan: channel to use + * @offchan: indicates wether off channel operation is required + * @wait: duration for ROC + * @buf: buffer to transmit + * @len: buffer length + * @no_cck: don't use cck rates for this frame + * @dont_wait_for_ack: tells the low level not to wait for an ack + * @n_csa_offsets: length of csa_offsets array + * @csa_offsets: array of all the csa offsets in the frame + */ +struct cfg80211_mgmt_tx_params { + struct ieee80211_channel *chan; + bool offchan; + unsigned int wait; + const u8 *buf; + size_t len; + bool no_cck; + bool dont_wait_for_ack; + int n_csa_offsets; + const u16 *csa_offsets; +}; + +/** + * struct cfg80211_dscp_exception - DSCP exception + * + * @dscp: DSCP value that does not adhere to the user priority range definition + * @up: user priority value to which the corresponding DSCP value belongs + */ +struct cfg80211_dscp_exception { + u8 dscp; + u8 up; +}; + +/** + * struct cfg80211_dscp_range - DSCP range definition for user priority + * + * @low: lowest DSCP value of this user priority range, inclusive + * @high: highest DSCP value of this user priority range, inclusive + */ +struct cfg80211_dscp_range { + u8 low; + u8 high; +}; + +/* QoS Map Set element length defined in IEEE Std 802.11-2012, 8.4.2.97 */ +#define IEEE80211_QOS_MAP_MAX_EX 21 +#define IEEE80211_QOS_MAP_LEN_MIN 16 +#define IEEE80211_QOS_MAP_LEN_MAX \ + (IEEE80211_QOS_MAP_LEN_MIN + 2 * IEEE80211_QOS_MAP_MAX_EX) + +/** + * struct cfg80211_qos_map - QoS Map Information + * + * This struct defines the Interworking QoS map setting for DSCP values + * + * @num_des: number of DSCP exceptions (0..21) + * @dscp_exception: optionally up to maximum of 21 DSCP exceptions from + * the user priority DSCP range definition + * @up: DSCP range definition for a particular user priority + */ +struct cfg80211_qos_map { + u8 num_des; + struct cfg80211_dscp_exception dscp_exception[IEEE80211_QOS_MAP_MAX_EX]; + struct cfg80211_dscp_range up[8]; +}; + +/** * struct cfg80211_ops - backend description for wireless configuration * * This struct is registered by fullmac card drivers and/or wireless stacks @@ -2102,7 +2248,12 @@ struct cfg80211_update_ft_ies_params { * @set_cqm_txe_config: Configure connection quality monitor TX error * thresholds. * @sched_scan_start: Tell the driver to start a scheduled scan. - * @sched_scan_stop: Tell the driver to stop an ongoing scheduled scan. + * @sched_scan_stop: Tell the driver to stop an ongoing scheduled scan. This + * call must stop the scheduled scan and be ready for starting a new one + * before it returns, i.e. @sched_scan_start may be called immediately + * after that again and should not fail in that case. The driver should + * not call cfg80211_sched_scan_stopped() for a requested stop (when this + * method returns 0.) * * @mgmt_frame_register: Notify driver that a management frame type was * registered. Note that this callback may not sleep, and cannot run @@ -2165,6 +2316,12 @@ struct cfg80211_update_ft_ies_params { * @set_coalesce: Set coalesce parameters. * * @channel_switch: initiate channel-switch procedure (with CSA) + * + * @set_qos_map: Set QoS mapping information to the driver + * + * @set_ap_chanwidth: Set the AP (including P2P GO) mode channel width for the + * given interface This is used e.g. for dynamic HT 20/40 MHz channel width + * changes during the lifetime of the BSS. */ struct cfg80211_ops { int (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow); @@ -2207,28 +2364,29 @@ struct cfg80211_ops { int (*add_station)(struct wiphy *wiphy, struct net_device *dev, - u8 *mac, struct station_parameters *params); + const u8 *mac, + struct station_parameters *params); int (*del_station)(struct wiphy *wiphy, struct net_device *dev, - u8 *mac); + const u8 *mac); int (*change_station)(struct wiphy *wiphy, struct net_device *dev, - u8 *mac, struct station_parameters *params); + const u8 *mac, + struct station_parameters *params); int (*get_station)(struct wiphy *wiphy, struct net_device *dev, - u8 *mac, struct station_info *sinfo); + const u8 *mac, struct station_info *sinfo); int (*dump_station)(struct wiphy *wiphy, struct net_device *dev, - int idx, u8 *mac, struct station_info *sinfo); + int idx, u8 *mac, struct station_info *sinfo); int (*add_mpath)(struct wiphy *wiphy, struct net_device *dev, - u8 *dst, u8 *next_hop); + const u8 *dst, const u8 *next_hop); int (*del_mpath)(struct wiphy *wiphy, struct net_device *dev, - u8 *dst); + const u8 *dst); int (*change_mpath)(struct wiphy *wiphy, struct net_device *dev, - u8 *dst, u8 *next_hop); + const u8 *dst, const u8 *next_hop); int (*get_mpath)(struct wiphy *wiphy, struct net_device *dev, - u8 *dst, u8 *next_hop, - struct mpath_info *pinfo); + u8 *dst, u8 *next_hop, struct mpath_info *pinfo); int (*dump_mpath)(struct wiphy *wiphy, struct net_device *dev, - int idx, u8 *dst, u8 *next_hop, - struct mpath_info *pinfo); + int idx, u8 *dst, u8 *next_hop, + struct mpath_info *pinfo); int (*get_mesh_config)(struct wiphy *wiphy, struct net_device *dev, struct mesh_config *conf); @@ -2321,9 +2479,8 @@ struct cfg80211_ops { u64 cookie); int (*mgmt_tx)(struct wiphy *wiphy, struct wireless_dev *wdev, - struct ieee80211_channel *chan, bool offchan, - unsigned int wait, const u8 *buf, size_t len, - bool no_cck, bool dont_wait_for_ack, u64 *cookie); + struct cfg80211_mgmt_tx_params *params, + u64 *cookie); int (*mgmt_tx_cancel_wait)(struct wiphy *wiphy, struct wireless_dev *wdev, u64 cookie); @@ -2359,10 +2516,11 @@ struct cfg80211_ops { struct cfg80211_gtk_rekey_data *data); int (*tdls_mgmt)(struct wiphy *wiphy, struct net_device *dev, - u8 *peer, u8 action_code, u8 dialog_token, - u16 status_code, const u8 *buf, size_t len); + const u8 *peer, u8 action_code, u8 dialog_token, + u16 status_code, u32 peer_capability, + const u8 *buf, size_t len); int (*tdls_oper)(struct wiphy *wiphy, struct net_device *dev, - u8 *peer, enum nl80211_tdls_operation oper); + const u8 *peer, enum nl80211_tdls_operation oper); int (*probe_client)(struct wiphy *wiphy, struct net_device *dev, const u8 *peer, u64 *cookie); @@ -2392,7 +2550,8 @@ struct cfg80211_ops { int (*start_radar_detection)(struct wiphy *wiphy, struct net_device *dev, - struct cfg80211_chan_def *chandef); + struct cfg80211_chan_def *chandef, + u32 cac_time_ms); int (*update_ft_ies)(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_update_ft_ies_params *ftie); int (*crit_proto_start)(struct wiphy *wiphy, @@ -2407,6 +2566,13 @@ struct cfg80211_ops { int (*channel_switch)(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_csa_settings *params); + + int (*set_qos_map)(struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_qos_map *qos_map); + + int (*set_ap_chanwidth)(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_chan_def *chandef); }; /* @@ -2417,27 +2583,6 @@ struct cfg80211_ops { /** * enum wiphy_flags - wiphy capability flags * - * @WIPHY_FLAG_CUSTOM_REGULATORY: tells us the driver for this device - * has its own custom regulatory domain and cannot identify the - * ISO / IEC 3166 alpha2 it belongs to. When this is enabled - * we will disregard the first regulatory hint (when the - * initiator is %REGDOM_SET_BY_CORE). - * @WIPHY_FLAG_STRICT_REGULATORY: tells us the driver for this device will - * ignore regulatory domain settings until it gets its own regulatory - * domain via its regulatory_hint() unless the regulatory hint is - * from a country IE. After its gets its own regulatory domain it will - * only allow further regulatory domain settings to further enhance - * compliance. For example if channel 13 and 14 are disabled by this - * regulatory domain no user regulatory domain can enable these channels - * at a later time. This can be used for devices which do not have - * calibration information guaranteed for frequencies or settings - * outside of its regulatory domain. If used in combination with - * WIPHY_FLAG_CUSTOM_REGULATORY the inspected country IE power settings - * will be followed. - * @WIPHY_FLAG_DISABLE_BEACON_HINTS: enable this if your driver needs to ensure - * that passive scan flags and beaconing flags may not be lifted by - * cfg80211 due to regulatory beacon hints. For more information on beacon - * hints read the documenation for regulatory_hint_found_beacon() * @WIPHY_FLAG_NETNS_OK: if not set, do not allow changing the netns of this * wiphy at all * @WIPHY_FLAG_PS_ON_BY_DEFAULT: if set to true, powersave will be enabled @@ -2476,9 +2621,9 @@ struct cfg80211_ops { * beaconing mode (AP, IBSS, Mesh, ...). */ enum wiphy_flags { - WIPHY_FLAG_CUSTOM_REGULATORY = BIT(0), - WIPHY_FLAG_STRICT_REGULATORY = BIT(1), - WIPHY_FLAG_DISABLE_BEACON_HINTS = BIT(2), + /* use hole at 0 */ + /* use hole at 1 */ + /* use hole at 2 */ WIPHY_FLAG_NETNS_OK = BIT(3), WIPHY_FLAG_PS_ON_BY_DEFAULT = BIT(4), WIPHY_FLAG_4ADDR_AP = BIT(5), @@ -2522,10 +2667,14 @@ struct ieee80211_iface_limit { * 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 + * @radar_detect_regions: bitmap of regions supported for radar detection + * + * With this structure the driver can describe which interface + * combinations it supports concurrently. * - * These examples can be expressed as follows: + * Examples: * - * Allow #STA <= 1, #AP <= 1, matching BI, channels = 1, 2 total: + * 1. Allow #STA <= 1, #AP <= 1, matching BI, channels = 1, 2 total: * * struct ieee80211_iface_limit limits1[] = { * { .max = 1, .types = BIT(NL80211_IFTYPE_STATION), }, @@ -2539,7 +2688,7 @@ struct ieee80211_iface_limit { * }; * * - * Allow #{AP, P2P-GO} <= 8, channels = 1, 8 total: + * 2. Allow #{AP, P2P-GO} <= 8, channels = 1, 8 total: * * struct ieee80211_iface_limit limits2[] = { * { .max = 8, .types = BIT(NL80211_IFTYPE_AP) | @@ -2553,7 +2702,8 @@ struct ieee80211_iface_limit { * }; * * - * Allow #STA <= 1, #{P2P-client,P2P-GO} <= 3 on two channels, 4 total. + * 3. Allow #STA <= 1, #{P2P-client,P2P-GO} <= 3 on two channels, 4 total. + * * This allows for an infrastructure connection and three P2P connections. * * struct ieee80211_iface_limit limits3[] = { @@ -2575,6 +2725,7 @@ struct ieee80211_iface_combination { u8 n_limits; bool beacon_int_infra_match; u8 radar_detect_widths; + u8 radar_detect_regions; }; struct ieee80211_txrx_stypes { @@ -2655,6 +2806,34 @@ struct wiphy_coalesce_support { }; /** + * enum wiphy_vendor_command_flags - validation flags for vendor commands + * @WIPHY_VENDOR_CMD_NEED_WDEV: vendor command requires wdev + * @WIPHY_VENDOR_CMD_NEED_NETDEV: vendor command requires netdev + * @WIPHY_VENDOR_CMD_NEED_RUNNING: interface/wdev must be up & running + * (must be combined with %_WDEV or %_NETDEV) + */ +enum wiphy_vendor_command_flags { + WIPHY_VENDOR_CMD_NEED_WDEV = BIT(0), + WIPHY_VENDOR_CMD_NEED_NETDEV = BIT(1), + WIPHY_VENDOR_CMD_NEED_RUNNING = BIT(2), +}; + +/** + * struct wiphy_vendor_command - vendor command definition + * @info: vendor command identifying information, as used in nl80211 + * @flags: flags, see &enum wiphy_vendor_command_flags + * @doit: callback for the operation, note that wdev is %NULL if the + * flags didn't ask for a wdev and non-%NULL otherwise; the data + * pointer may be %NULL if userspace provided no data at all + */ +struct wiphy_vendor_command { + struct nl80211_vendor_cmd_info info; + u32 flags; + int (*doit)(struct wiphy *wiphy, struct wireless_dev *wdev, + const void *data, int data_len); +}; + +/** * struct wiphy - wireless hardware description * @reg_notifier: the driver's regulatory notification callback, * note that if your driver uses wiphy_apply_custom_regulatory() @@ -2675,7 +2854,7 @@ struct wiphy_coalesce_support { * @perm_addr: permanent MAC address of this device * @addr_mask: If the device supports multiple MAC addresses by masking, * set this to a mask with variable bits set to 1, e.g. if the last - * four bits are variable then set it to 00:...:00:0f. The actual + * four bits are variable then set it to 00-00-00-00-00-0f. The actual * variable bits shall be determined by the interfaces added, with * interfaces not matching the mask being rejected to be brought up. * @n_addresses: number of addresses in @addresses. @@ -2700,6 +2879,8 @@ struct wiphy_coalesce_support { * @software_iftypes: bitmask of software interface types, these are not * subject to any restrictions since they are purely managed in SW. * @flags: wiphy flags, see &enum wiphy_flags + * @regulatory_flags: wiphy regulatory flags, see + * &enum ieee80211_regulatory_flags * @features: features advertised to nl80211, see &enum nl80211_feature_flags. * @bss_priv_size: each BSS struct has private data allocated with it, * this variable determines its size @@ -2765,6 +2946,27 @@ struct wiphy_coalesce_support { * @extended_capabilities_mask: mask of the valid values * @extended_capabilities_len: length of the extended capabilities * @coalesce: packet coalescing support information + * + * @vendor_commands: array of vendor commands supported by the hardware + * @n_vendor_commands: number of vendor commands + * @vendor_events: array of vendor events supported by the hardware + * @n_vendor_events: number of vendor events + * + * @max_ap_assoc_sta: maximum number of associated stations supported in AP mode + * (including P2P GO) or 0 to indicate no such limit is advertised. The + * driver is allowed to advertise a theoretical limit that it can reach in + * some cases, but may not always reach. + * + * @max_num_csa_counters: Number of supported csa_counters in beacons + * and probe responses. This value should be set if the driver + * wishes to limit the number of csa counters. Default (0) means + * infinite. + * @max_adj_channel_rssi_comp: max offset of between the channel on which the + * frame was sent and the channel on which the frame was heard for which + * the reported rssi is still valid. If a driver is able to compensate the + * low rssi when a frame is heard on different channel, then it should set + * this variable to the maximal offset for which it can compensate. + * This value should be set in MHz. */ struct wiphy { /* assign these fields before you register the wiphy */ @@ -2788,7 +2990,7 @@ struct wiphy { u16 max_acl_mac_addrs; - u32 flags, features; + u32 flags, regulatory_flags, features; u32 ap_sme_capa; @@ -2876,6 +3078,15 @@ struct wiphy { const struct wiphy_coalesce_support *coalesce; + const struct wiphy_vendor_command *vendor_commands; + const struct nl80211_vendor_cmd_info *vendor_events; + int n_vendor_commands, n_vendor_events; + + u16 max_ap_assoc_sta; + + u8 max_num_csa_counters; + u8 max_adj_channel_rssi_comp; + char priv[0] __aligned(NETDEV_ALIGN); }; @@ -3013,8 +3224,8 @@ struct cfg80211_cached_keys; * @identifier: (private) Identifier used in nl80211 to identify this * wireless device if it has no netdev * @current_bss: (private) Used by the internal configuration code - * @channel: (private) Used by the internal configuration code to track - * the user-set AP, monitor and WDS channel + * @chandef: (private) Used by the internal configuration code to track + * the user-set channel definition. * @preset_chandef: (private) Used by the internal configuration code to * track the channel to be used for AP later * @bssid: (private) Used by the internal configuration code @@ -3037,6 +3248,7 @@ struct cfg80211_cached_keys; * @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. + * @cac_time_ms: CAC time in ms * @ps: powersave mode is enabled * @ps_timeout: dynamic powersave timeout * @ap_unexpected_nlportid: (private) netlink port ID of application @@ -3044,8 +3256,10 @@ struct cfg80211_cached_keys; * @conn: (private) cfg80211 software SME connection state machine data * @connect_keys: (private) keys to set after connection is established * @ibss_fixed: (private) IBSS is using fixed BSSID + * @ibss_dfs_possible: (private) IBSS may change to a DFS channel * @event_list: (private) list for internal event processing * @event_lock: (private) lock for event list + * @owner_nlportid: (private) owner socket port ID */ struct wireless_dev { struct wiphy *wiphy; @@ -3077,11 +3291,10 @@ struct wireless_dev { struct cfg80211_internal_bss *current_bss; /* associated / joined */ struct cfg80211_chan_def preset_chandef; - - /* for AP and mesh channel tracking */ - struct ieee80211_channel *channel; + struct cfg80211_chan_def chandef; bool ibss_fixed; + bool ibss_dfs_possible; bool ps; int ps_timeout; @@ -3092,6 +3305,9 @@ struct wireless_dev { bool cac_started; unsigned long cac_start_time; + unsigned int cac_time_ms; + + u32 owner_nlportid; #ifdef CONFIG_CFG80211_WEXT /* wext data */ @@ -3099,7 +3315,7 @@ struct wireless_dev { struct cfg80211_ibss_params ibss; struct cfg80211_connect_params connect; struct cfg80211_cached_keys *keys; - u8 *ie; + const u8 *ie; size_t ie_len; u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; u8 ssid[IEEE80211_MAX_SSID_LEN]; @@ -3340,7 +3556,8 @@ int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr, * 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); + enum nl80211_iftype iftype, const u8 *bssid, + bool qos); /** * ieee80211_amsdu_to_8023s - decode an IEEE 802.11n A-MSDU frame @@ -3365,9 +3582,11 @@ 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 + * @qos_map: Interworking QoS mapping or %NULL if not in use * Return: The 802.1p/1d tag. */ -unsigned int cfg80211_classify8021d(struct sk_buff *skb); +unsigned int cfg80211_classify8021d(struct sk_buff *skb, + struct cfg80211_qos_map *qos_map); /** * cfg80211_find_ie - find information element in data @@ -3449,6 +3668,9 @@ int regulatory_hint(struct wiphy *wiphy, const char *alpha2); * custom regulatory domain will be trusted completely and as such previous * default channel settings will be disregarded. If no rule is found for a * channel on the regulatory domain the channel will be disabled. + * Drivers using this for a wiphy should also set the wiphy flag + * REGULATORY_CUSTOM_REG or cfg80211 will set it for the wiphy + * that called this helper. */ void wiphy_apply_custom_regulatory(struct wiphy *wiphy, const struct ieee80211_regdomain *regd); @@ -3474,6 +3696,15 @@ void wiphy_apply_custom_regulatory(struct wiphy *wiphy, const struct ieee80211_reg_rule *freq_reg_info(struct wiphy *wiphy, u32 center_freq); +/** + * reg_initiator_name - map regulatory request initiator enum to name + * @initiator: the regulatory request initiator + * + * You can use this to map the regulatory request initiator enum to a + * proper string representation. + */ +const char *reg_initiator_name(enum nl80211_reg_initiator initiator); + /* * callbacks for asynchronous cfg80211 methods, notification * functions and BSS handling helpers @@ -3507,10 +3738,22 @@ void cfg80211_sched_scan_results(struct wiphy *wiphy); void cfg80211_sched_scan_stopped(struct wiphy *wiphy); /** + * cfg80211_sched_scan_stopped_rtnl - notify that the scheduled scan has stopped + * + * @wiphy: the wiphy on which the scheduled scan stopped + * + * The driver can call this function to inform cfg80211 that the + * scheduled scan had to be stopped, for whatever reason. The driver + * is then called back via the sched_scan_stop operation when done. + * This function should be called with rtnl locked. + */ +void cfg80211_sched_scan_stopped_rtnl(struct wiphy *wiphy); + +/** * cfg80211_inform_bss_width_frame - inform cfg80211 of a received BSS frame * * @wiphy: the wiphy reporting the BSS - * @channel: The channel the frame was received on + * @rx_channel: The channel the frame was received on * @scan_width: width of the control channel * @mgmt: the management frame (probe response or beacon) * @len: length of the management frame @@ -3525,18 +3768,18 @@ void cfg80211_sched_scan_stopped(struct wiphy *wiphy); */ struct cfg80211_bss * __must_check cfg80211_inform_bss_width_frame(struct wiphy *wiphy, - struct ieee80211_channel *channel, + struct ieee80211_channel *rx_channel, enum nl80211_bss_scan_width scan_width, struct ieee80211_mgmt *mgmt, size_t len, s32 signal, gfp_t gfp); static inline struct cfg80211_bss * __must_check cfg80211_inform_bss_frame(struct wiphy *wiphy, - struct ieee80211_channel *channel, + struct ieee80211_channel *rx_channel, struct ieee80211_mgmt *mgmt, size_t len, s32 signal, gfp_t gfp) { - return cfg80211_inform_bss_width_frame(wiphy, channel, + return cfg80211_inform_bss_width_frame(wiphy, rx_channel, NL80211_BSS_CHAN_WIDTH_20, mgmt, len, signal, gfp); } @@ -3545,7 +3788,7 @@ cfg80211_inform_bss_frame(struct wiphy *wiphy, * cfg80211_inform_bss - inform cfg80211 of a new BSS * * @wiphy: the wiphy reporting the BSS - * @channel: The channel the frame was received on + * @rx_channel: The channel the frame was received on * @scan_width: width of the control channel * @bssid: the BSSID of the BSS * @tsf: the TSF sent by the peer in the beacon/probe response (or 0) @@ -3564,7 +3807,7 @@ cfg80211_inform_bss_frame(struct wiphy *wiphy, */ struct cfg80211_bss * __must_check cfg80211_inform_bss_width(struct wiphy *wiphy, - struct ieee80211_channel *channel, + struct ieee80211_channel *rx_channel, enum nl80211_bss_scan_width scan_width, const u8 *bssid, u64 tsf, u16 capability, u16 beacon_interval, const u8 *ie, size_t ielen, @@ -3572,12 +3815,12 @@ cfg80211_inform_bss_width(struct wiphy *wiphy, static inline struct cfg80211_bss * __must_check cfg80211_inform_bss(struct wiphy *wiphy, - struct ieee80211_channel *channel, + struct ieee80211_channel *rx_channel, const u8 *bssid, u64 tsf, u16 capability, u16 beacon_interval, const u8 *ie, size_t ielen, s32 signal, gfp_t gfp) { - return cfg80211_inform_bss_width(wiphy, channel, + return cfg80211_inform_bss_width(wiphy, rx_channel, NL80211_BSS_CHAN_WIDTH_20, bssid, tsf, capability, beacon_interval, ie, ielen, signal, @@ -3746,6 +3989,7 @@ void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr, * * @dev: network device * @bssid: the BSSID of the IBSS joined + * @channel: the channel of the IBSS joined * @gfp: allocation flags * * This function notifies cfg80211 that the device joined an IBSS or @@ -3755,7 +3999,8 @@ void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr, * with the locally generated beacon -- this guarantees that there is * always a scan result for this IBSS. cfg80211 will handle the rest. */ -void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, gfp_t gfp); +void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, + struct ieee80211_channel *channel, gfp_t gfp); /** * cfg80211_notify_new_candidate - notify cfg80211 of a new mesh peer candidate @@ -3806,6 +4051,121 @@ void wiphy_rfkill_start_polling(struct wiphy *wiphy); */ void wiphy_rfkill_stop_polling(struct wiphy *wiphy); +/** + * DOC: Vendor commands + * + * Occasionally, there are special protocol or firmware features that + * can't be implemented very openly. For this and similar cases, the + * vendor command functionality allows implementing the features with + * (typically closed-source) userspace and firmware, using nl80211 as + * the configuration mechanism. + * + * A driver supporting vendor commands must register them as an array + * in struct wiphy, with handlers for each one, each command has an + * OUI and sub command ID to identify it. + * + * Note that this feature should not be (ab)used to implement protocol + * features that could openly be shared across drivers. In particular, + * it must never be required to use vendor commands to implement any + * "normal" functionality that higher-level userspace like connection + * managers etc. need. + */ + +struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy, + enum nl80211_commands cmd, + enum nl80211_attrs attr, + int approxlen); + +struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy, + enum nl80211_commands cmd, + enum nl80211_attrs attr, + int vendor_event_idx, + int approxlen, gfp_t gfp); + +void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp); + +/** + * cfg80211_vendor_cmd_alloc_reply_skb - allocate vendor command reply + * @wiphy: the wiphy + * @approxlen: an upper bound of the length of the data that will + * be put into the skb + * + * This function allocates and pre-fills an skb for a reply to + * a vendor command. Since it is intended for a reply, calling + * it outside of a vendor command's doit() operation is invalid. + * + * The returned skb is pre-filled with some identifying data 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_VENDOR_DATA 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 vendor data attribute. + * You must not modify the skb in any other way. + * + * When done, call cfg80211_vendor_cmd_reply() with the skb and return + * its error code as the result of the doit() operation. + * + * Return: An allocated and pre-filled skb. %NULL if any errors happen. + */ +static inline struct sk_buff * +cfg80211_vendor_cmd_alloc_reply_skb(struct wiphy *wiphy, int approxlen) +{ + return __cfg80211_alloc_reply_skb(wiphy, NL80211_CMD_VENDOR, + NL80211_ATTR_VENDOR_DATA, approxlen); +} + +/** + * cfg80211_vendor_cmd_reply - send the reply skb + * @skb: The skb, must have been allocated with + * cfg80211_vendor_cmd_alloc_reply_skb() + * + * Since calling this function will usually be the last thing + * before returning from the vendor command doit() 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_vendor_cmd_reply(struct sk_buff *skb); + +/** + * cfg80211_vendor_event_alloc - allocate vendor-specific event skb + * @wiphy: the wiphy + * @event_idx: index of the vendor event in the wiphy's vendor_events + * @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 on the + * vendor-specific multicast group. + * + * 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(struct wiphy *wiphy, int approxlen, + int event_idx, gfp_t gfp) +{ + return __cfg80211_alloc_event_skb(wiphy, NL80211_CMD_VENDOR, + NL80211_ATTR_VENDOR_DATA, + event_idx, approxlen, gfp); +} + +/** + * cfg80211_vendor_event - send the event + * @skb: The skb, must have been allocated with cfg80211_vendor_event_alloc() + * @gfp: allocation flags + * + * This function sends the given @skb, which must have been allocated + * by cfg80211_vendor_event_alloc(), as an event. It always consumes it. + */ +static inline void cfg80211_vendor_event(struct sk_buff *skb, gfp_t gfp) +{ + __cfg80211_send_event_skb(skb, gfp); +} + #ifdef CONFIG_NL80211_TESTMODE /** * DOC: Test mode @@ -3841,8 +4201,12 @@ void wiphy_rfkill_stop_polling(struct wiphy *wiphy); * * 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); +static inline struct sk_buff * +cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy, int approxlen) +{ + return __cfg80211_alloc_reply_skb(wiphy, NL80211_CMD_TESTMODE, + NL80211_ATTR_TESTDATA, approxlen); +} /** * cfg80211_testmode_reply - send the reply skb @@ -3856,7 +4220,10 @@ struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy, * * Return: An error code or 0 on success. */ -int cfg80211_testmode_reply(struct sk_buff *skb); +static inline int cfg80211_testmode_reply(struct sk_buff *skb) +{ + return cfg80211_vendor_cmd_reply(skb); +} /** * cfg80211_testmode_alloc_event_skb - allocate testmode event @@ -3879,8 +4246,13 @@ int cfg80211_testmode_reply(struct sk_buff *skb); * * 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); +static inline struct sk_buff * +cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy, int approxlen, gfp_t gfp) +{ + return __cfg80211_alloc_event_skb(wiphy, NL80211_CMD_TESTMODE, + NL80211_ATTR_TESTDATA, -1, + approxlen, gfp); +} /** * cfg80211_testmode_event - send the event @@ -3892,7 +4264,10 @@ struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy, * by cfg80211_testmode_alloc_event_skb(), as an event. It always * consumes it. */ -void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp); +static inline void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp) +{ + __cfg80211_send_event_skb(skb, gfp); +} #define CFG80211_TESTMODE_CMD(cmd) .testmode_cmd = (cmd), #define CFG80211_TESTMODE_DUMP(cmd) .testmode_dump = (cmd), @@ -3983,7 +4358,7 @@ void cfg80211_roamed_bss(struct net_device *dev, struct cfg80211_bss *bss, * and not try to connect to any AP any more. */ void cfg80211_disconnected(struct net_device *dev, u16 reason, - u8 *ie, size_t ie_len, gfp_t gfp); + const u8 *ie, size_t ie_len, gfp_t gfp); /** * cfg80211_ready_on_channel - notification of remain_on_channel start @@ -4114,6 +4489,7 @@ void cfg80211_radar_event(struct wiphy *wiphy, /** * cfg80211_cac_event - Channel availability check (CAC) event * @netdev: network device + * @chandef: chandef for the current channel * @event: type of event * @gfp: context flags * @@ -4122,6 +4498,7 @@ void cfg80211_radar_event(struct wiphy *wiphy, * also by full-MAC drivers. */ void cfg80211_cac_event(struct net_device *netdev, + const struct cfg80211_chan_def *chandef, enum nl80211_radar_event event, gfp_t gfp); @@ -4235,19 +4612,22 @@ void cfg80211_report_obss_beacon(struct wiphy *wiphy, * cfg80211_reg_can_beacon - check if beaconing is allowed * @wiphy: the wiphy * @chandef: the channel definition + * @iftype: interface type * * 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); + struct cfg80211_chan_def *chandef, + enum nl80211_iftype iftype); /* * cfg80211_ch_switch_notify - update wdev channel and notify userspace * @dev: the device which switched channels * @chandef: the new channel definition * - * Acquires wdev_lock, so must only be called from sleepable driver context! + * Caller must acquire wdev_lock, therefore must only be called from sleepable + * driver context! */ void cfg80211_ch_switch_notify(struct net_device *dev, struct cfg80211_chan_def *chandef); @@ -4377,6 +4757,92 @@ void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, */ void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp); +/** + * ieee80211_get_num_supported_channels - get number of channels device has + * @wiphy: the wiphy + * + * Return: the number of channels supported by the device. + */ +unsigned int ieee80211_get_num_supported_channels(struct wiphy *wiphy); + +/** + * cfg80211_check_combinations - check interface combinations + * + * @wiphy: the wiphy + * @num_different_channels: the number of different channels we want + * to use for verification + * @radar_detect: a bitmap where each bit corresponds to a channel + * width where radar detection is needed, as in the definition of + * &struct ieee80211_iface_combination.@radar_detect_widths + * @iftype_num: array with the numbers of interfaces of each interface + * type. The index is the interface type as specified in &enum + * nl80211_iftype. + * + * This function can be called by the driver to check whether a + * combination of interfaces and their types are allowed according to + * the interface combinations. + */ +int cfg80211_check_combinations(struct wiphy *wiphy, + const int num_different_channels, + const u8 radar_detect, + const int iftype_num[NUM_NL80211_IFTYPES]); + +/** + * cfg80211_iter_combinations - iterate over matching combinations + * + * @wiphy: the wiphy + * @num_different_channels: the number of different channels we want + * to use for verification + * @radar_detect: a bitmap where each bit corresponds to a channel + * width where radar detection is needed, as in the definition of + * &struct ieee80211_iface_combination.@radar_detect_widths + * @iftype_num: array with the numbers of interfaces of each interface + * type. The index is the interface type as specified in &enum + * nl80211_iftype. + * @iter: function to call for each matching combination + * @data: pointer to pass to iter function + * + * This function can be called by the driver to check what possible + * combinations it fits in at a given moment, e.g. for channel switching + * purposes. + */ +int cfg80211_iter_combinations(struct wiphy *wiphy, + const int num_different_channels, + const u8 radar_detect, + const int iftype_num[NUM_NL80211_IFTYPES], + void (*iter)(const struct ieee80211_iface_combination *c, + void *data), + void *data); + +/* + * cfg80211_stop_iface - trigger interface disconnection + * + * @wiphy: the wiphy + * @wdev: wireless device + * @gfp: context flags + * + * Trigger interface to be stopped as if AP was stopped, IBSS/mesh left, STA + * disconnected. + * + * Note: This doesn't need any locks and is asynchronous. + */ +void cfg80211_stop_iface(struct wiphy *wiphy, struct wireless_dev *wdev, + gfp_t gfp); + +/** + * cfg80211_shutdown_all_interfaces - shut down all interfaces for a wiphy + * @wiphy: the wiphy to shut down + * + * This function shuts down all interfaces belonging to this wiphy by + * calling dev_close() (and treating non-netdev interfaces as needed). + * It shouldn't really be used unless there are some fatal device errors + * that really can't be recovered in any other way. + * + * Callers must hold the RTNL and be able to deal with callbacks into + * the driver while the function is running. + */ +void cfg80211_shutdown_all_interfaces(struct wiphy *wiphy); + /* Logging, debugging and troubleshooting/diagnostic helpers. */ /* wiphy_printk helpers, similar to dev_printk */ |