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-rw-r--r--include/net/cfg80211.h377
1 files changed, 286 insertions, 91 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index b1f84b05c67..e46c437944f 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -109,6 +109,13 @@ 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,
@@ -120,6 +127,10 @@ enum ieee80211_channel_flags {
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 \
@@ -151,6 +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;
@@ -165,6 +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;
};
/**
@@ -328,8 +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;
@@ -439,10 +452,13 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
* cfg80211_chandef_dfs_required - checks if radar detection is required
* @wiphy: the wiphy to validate against
* @chandef: the channel definition to check
- * Return: 1 if radar detection is required, 0 if it is not, < 0 on error
+ * @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);
+ const struct cfg80211_chan_def *chandef,
+ enum nl80211_iftype iftype);
/**
* ieee80211_chandef_rate_flags - returns rate flags for a channel
@@ -652,7 +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;
@@ -670,7 +685,6 @@ struct cfg80211_ap_settings {
u8 p2p_ctwindow;
bool p2p_opp_ps;
const struct cfg80211_acl_data *acl;
- bool radar_required;
};
/**
@@ -680,8 +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
@@ -690,7 +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;
@@ -854,36 +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),
};
/**
@@ -1005,6 +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;
@@ -1043,6 +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.
@@ -1050,6 +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
@@ -1150,7 +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;
@@ -1394,10 +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;
};
/**
@@ -1420,7 +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;
@@ -1433,7 +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;
@@ -1677,10 +1718,10 @@ 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;
@@ -1701,8 +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)
@@ -1725,11 +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;
@@ -1768,6 +1817,7 @@ struct cfg80211_bitrate_mask {
u32 legacy;
u8 ht_mcs[IEEE80211_HT_MCS_MASK_LEN];
u16 vht_mcs[NL80211_VHT_NSS_MAX];
+ enum nl80211_txrate_gi gi;
} control[IEEE80211_NUM_BANDS];
};
/**
@@ -1780,8 +1830,8 @@ struct cfg80211_bitrate_mask {
* @pmkid: The PMK material itself.
*/
struct cfg80211_pmksa {
- u8 *bssid;
- u8 *pmkid;
+ const u8 *bssid;
+ const u8 *pmkid;
};
/**
@@ -1796,7 +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;
};
@@ -1960,6 +2010,8 @@ struct cfg80211_update_ft_ies_params {
* @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;
@@ -1969,6 +2021,8 @@ struct cfg80211_mgmt_tx_params {
size_t len;
bool no_cck;
bool dont_wait_for_ack;
+ int n_csa_offsets;
+ const u16 *csa_offsets;
};
/**
@@ -2194,7 +2248,12 @@ struct cfg80211_qos_map {
* @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
@@ -2259,6 +2318,10 @@ struct cfg80211_qos_map {
* @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);
@@ -2301,28 +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);
@@ -2452,10 +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);
@@ -2485,7 +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,
@@ -2500,9 +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);
};
/*
@@ -2597,10 +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
*
- * These examples can be expressed as follows:
+ * With this structure the driver can describe which interface
+ * combinations it supports concurrently.
*
- * Allow #STA <= 1, #AP <= 1, matching BI, channels = 1, 2 total:
+ * Examples:
+ *
+ * 1. Allow #STA <= 1, #AP <= 1, matching BI, channels = 1, 2 total:
*
* struct ieee80211_iface_limit limits1[] = {
* { .max = 1, .types = BIT(NL80211_IFTYPE_STATION), },
@@ -2614,7 +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) |
@@ -2628,7 +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[] = {
@@ -2650,6 +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 {
@@ -2778,7 +2854,7 @@ struct wiphy_vendor_command {
* @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.
@@ -2875,6 +2951,22 @@ struct wiphy_vendor_command {
* @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 */
@@ -2990,6 +3082,11 @@ struct wiphy {
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);
};
@@ -3127,8 +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
@@ -3151,6 +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
@@ -3161,6 +3259,7 @@ struct cfg80211_cached_keys;
* @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;
@@ -3192,9 +3291,7 @@ 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;
@@ -3208,6 +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 */
@@ -3215,7 +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];
@@ -3456,7 +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
@@ -3568,7 +3669,7 @@ int regulatory_hint(struct wiphy *wiphy, const char *alpha2);
* 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
- * WIPHY_FLAG_CUSTOM_REGULATORY or cfg80211 will set it for the wiphy
+ * REGULATORY_CUSTOM_REG or cfg80211 will set it for the wiphy
* that called this helper.
*/
void wiphy_apply_custom_regulatory(struct wiphy *wiphy,
@@ -3637,10 +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
@@ -3655,18 +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);
}
@@ -3675,7 +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)
@@ -3694,7 +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,
@@ -3702,12 +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,
@@ -3876,6 +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
@@ -3885,7 +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
@@ -4243,7 +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
@@ -4497,12 +4612,14 @@ 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
@@ -4648,6 +4765,84 @@ void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp);
*/
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 */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 20:02:40 +0000