#include <linux/netdevice.h>
#include <linux/debugfs.h>
#include <linux/list.h>
+#include <linux/bug.h>
#include <linux/netlink.h>
#include <linux/skbuff.h>
#include <linux/nl80211.h>
#include <linux/ieee80211.h>
#include <net/regulatory.h>
-/* remove once we remove the wext stuff */
-#include <net/iw_handler.h>
-#include <linux/wireless.h>
-
-
/**
* DOC: Introduction
*
* @band: band this channel belongs to.
* @max_antenna_gain: maximum antenna gain in dBi
* @max_power: maximum transmission power (in dBm)
+ * @max_reg_power: maximum regulatory transmission power (in dBm)
* @beacon_found: helper to regulatory code to indicate when a beacon
* has been found on this channel. Use regulatory_hint_found_beacon()
* to enable this, this is useful only on 5 GHz band.
u32 flags;
int max_antenna_gain;
int max_power;
+ int max_reg_power;
bool beacon_found;
u32 orig_flags;
int orig_mag, orig_mpwr;
s8 noise;
};
+/**
+ * struct cfg80211_crypto_settings - Crypto settings
+ * @wpa_versions: indicates which, if any, WPA versions are enabled
+ * (from enum nl80211_wpa_versions)
+ * @cipher_group: group key cipher suite (or 0 if unset)
+ * @n_ciphers_pairwise: number of AP supported unicast ciphers
+ * @ciphers_pairwise: unicast key cipher suites
+ * @n_akm_suites: number of AKM suites
+ * @akm_suites: AKM suites
+ * @control_port: Whether user space controls IEEE 802.1X port, i.e.,
+ * 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.
+ * @control_port_ethertype: the control port protocol that should be
+ * allowed through even on unauthorized ports
+ * @control_port_no_encrypt: TRUE to prevent encryption of control port
+ * protocol frames.
+ */
+struct cfg80211_crypto_settings {
+ u32 wpa_versions;
+ u32 cipher_group;
+ int n_ciphers_pairwise;
+ u32 ciphers_pairwise[NL80211_MAX_NR_CIPHER_SUITES];
+ int n_akm_suites;
+ u32 akm_suites[NL80211_MAX_NR_AKM_SUITES];
+ bool control_port;
+ __be16 control_port_ethertype;
+ bool control_port_no_encrypt;
+};
+
/**
* struct beacon_parameters - beacon parameters
*
* @dtim_period: DTIM period or zero if not changed
* @head_len: length of @head
* @tail_len: length of @tail
+ * @ssid: SSID to be used in the BSS (note: may be %NULL if not provided from
+ * user space)
+ * @ssid_len: length of @ssid
+ * @hidden_ssid: whether to hide the SSID in Beacon/Probe Response frames
+ * @crypto: crypto settings
+ * @privacy: the BSS uses privacy
+ * @auth_type: Authentication type (algorithm)
+ * @beacon_ies: extra information element(s) to add into Beacon frames or %NULL
+ * @beacon_ies_len: length of beacon_ies in octets
+ * @proberesp_ies: extra information element(s) to add into Probe Response
+ * frames or %NULL
+ * @proberesp_ies_len: length of proberesp_ies in octets
+ * @assocresp_ies: extra information element(s) to add into (Re)Association
+ * Response frames or %NULL
+ * @assocresp_ies_len: length of assocresp_ies in octets
+ * @probe_resp_len: length of probe response template (@probe_resp)
+ * @probe_resp: probe response template (AP mode only)
*/
struct beacon_parameters {
u8 *head, *tail;
int interval, dtim_period;
int head_len, tail_len;
+ const u8 *ssid;
+ size_t ssid_len;
+ enum nl80211_hidden_ssid hidden_ssid;
+ struct cfg80211_crypto_settings crypto;
+ bool privacy;
+ enum nl80211_auth_type auth_type;
+ const u8 *beacon_ies;
+ size_t beacon_ies_len;
+ const u8 *proberesp_ies;
+ size_t proberesp_ies_len;
+ const u8 *assocresp_ies;
+ size_t assocresp_ies_len;
+ int probe_resp_len;
+ u8 *probe_resp;
};
/**
PLINK_ACTION_BLOCK,
};
+/**
+ * enum station_parameters_apply_mask - station parameter values to apply
+ * @STATION_PARAM_APPLY_UAPSD: apply new uAPSD parameters (uapsd_queues, max_sp)
+ *
+ * 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),
+};
+
/**
* struct station_parameters - station parameters
*
* @plink_action: plink action to take
* @plink_state: set the peer link state for a station
* @ht_capa: HT capabilities of station
+ * @uapsd_queues: bitmap of queues configured for uapsd. same format
+ * as the AC bitmap in the QoS info field
+ * @max_sp: max Service Period. same format as the MAX_SP in the
+ * QoS info field (but already shifted down)
+ * @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
*/
struct station_parameters {
u8 *supported_rates;
struct net_device *vlan;
u32 sta_flags_mask, sta_flags_set;
+ u32 sta_modify_mask;
int listen_interval;
u16 aid;
u8 supported_rates_len;
u8 plink_action;
u8 plink_state;
struct ieee80211_ht_cap *ht_capa;
+ u8 uapsd_queues;
+ u8 max_sp;
};
/**
* @STATION_INFO_RX_BITRATE: @rxrate fields are filled
* @STATION_INFO_BSS_PARAM: @bss_param filled
* @STATION_INFO_CONNECTED_TIME: @connected_time filled
+ * @STATION_INFO_ASSOC_REQ_IES: @assoc_req_ies filled
+ * @STATION_INFO_STA_FLAGS: @sta_flags filled
+ * @STATION_INFO_BEACON_LOSS_COUNT: @beacon_loss_count filled
*/
enum station_info_flags {
STATION_INFO_INACTIVE_TIME = 1<<0,
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_CONNECTED_TIME = 1<<16,
+ STATION_INFO_ASSOC_REQ_IES = 1<<17,
+ STATION_INFO_STA_FLAGS = 1<<18,
+ STATION_INFO_BEACON_LOSS_COUNT = 1<<19
};
/**
* @llid: mesh local link id
* @plid: mesh peer link id
* @plink_state: mesh peer link state
- * @signal: signal strength of last received packet in dBm
- * @signal_avg: signal strength average in dBm
+ * @signal: the signal strength, type depends on the wiphy's signal_type
+ NOTE: For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_.
+ * @signal_avg: avg signal strength, type depends on the wiphy's signal_type
+ NOTE: For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_.
* @txrate: current unicast bitrate from this station
* @rxrate: current unicast bitrate to this station
* @rx_packets: packets received from this station
* This number should increase every time the list of stations
* changes, i.e. when a station is added or removed, so that
* userspace can tell whether it got a consistent snapshot.
+ * @assoc_req_ies: IEs from (Re)Association Request.
+ * This is used only when in AP mode with drivers that do not use
+ * user space MLME/SME implementation. The information is provided for
+ * the cfg80211_new_sta() calls to notify user space of the IEs.
+ * @assoc_req_ies_len: Length of assoc_req_ies buffer in octets.
+ * @sta_flags: station flags mask & values
+ * @beacon_loss_count: Number of times beacon loss event has triggered.
*/
struct station_info {
u32 filled;
u32 tx_failed;
u32 rx_dropped_misc;
struct sta_bss_parameters bss_param;
+ struct nl80211_sta_flag_update sta_flags;
int generation;
+
+ const u8 *assoc_req_ies;
+ size_t assoc_req_ies_len;
+
+ u32 beacon_loss_count;
+
+ /*
+ * Note: Add a new enum station_info_flags value for each new field and
+ * use it to check which fields are initialized.
+ */
};
/**
u16 min_discovery_timeout;
u32 dot11MeshHWMPactivePathTimeout;
u16 dot11MeshHWMPpreqMinInterval;
+ u16 dot11MeshHWMPperrMinInterval;
u16 dot11MeshHWMPnetDiameterTraversalTime;
u8 dot11MeshHWMPRootMode;
+ u16 dot11MeshHWMPRannInterval;
+ /* This is missnamed in draft 12.0: dot11MeshGateAnnouncementProtocol
+ * set to true only means that the station will announce others it's a
+ * mesh gate, but not necessarily using the gate announcement protocol.
+ * Still keeping the same nomenclature to be in sync with the spec. */
+ bool dot11MeshGateAnnouncementProtocol;
+ bool dot11MeshForwarding;
+ s32 rssi_threshold;
};
/**
* @ie_len: length of vendor information elements
* @is_authenticated: this mesh requires authentication
* @is_secure: this mesh uses security
+ * @mcast_rate: multicat rate for Mesh Node [6Mbps is the default for 802.11a]
*
* These parameters are fixed when the mesh is created.
*/
u8 ie_len;
bool is_authenticated;
bool is_secure;
+ int mcast_rate[IEEE80211_NUM_BANDS];
};
/**
* @n_channels: total number of channels to scan
* @ie: optional information element(s) to add into Probe Request or %NULL
* @ie_len: length of ie in octets
+ * @rates: bitmap of rates to advertise for each band
* @wiphy: the wiphy this was for
* @dev: the interface
* @aborted: (internal) scan request was notified as aborted
+ * @no_cck: used to send probe requests at non CCK rate in 2GHz band
*/
struct cfg80211_scan_request {
struct cfg80211_ssid *ssids;
const u8 *ie;
size_t ie_len;
+ u32 rates[IEEE80211_NUM_BANDS];
+
/* internal */
struct wiphy *wiphy;
struct net_device *dev;
bool aborted;
+ bool no_cck;
/* keep last */
struct ieee80211_channel *channels[0];
};
+/**
+ * struct cfg80211_match_set - sets of attributes to match
+ *
+ * @ssid: SSID to be matched
+ */
+struct cfg80211_match_set {
+ struct cfg80211_ssid ssid;
+};
+
/**
* struct cfg80211_sched_scan_request - scheduled scan request description
*
* @interval: interval between each scheduled scan cycle
* @ie: optional information element(s) to add into Probe Request or %NULL
* @ie_len: length of ie in octets
+ * @match_sets: sets of parameters to be matched for a scan result
+ * entry to be considered valid and to be passed to the host
+ * (others are filtered out).
+ * If ommited, all results are passed.
+ * @n_match_sets: number of match sets
* @wiphy: the wiphy this was for
* @dev: the interface
* @channels: channels to scan
u32 interval;
const u8 *ie;
size_t ie_len;
+ struct cfg80211_match_set *match_sets;
+ int n_match_sets;
/* internal */
struct wiphy *wiphy;
const u8 *ieee80211_bss_get_ie(struct cfg80211_bss *bss, u8 ie);
-/**
- * struct cfg80211_crypto_settings - Crypto settings
- * @wpa_versions: indicates which, if any, WPA versions are enabled
- * (from enum nl80211_wpa_versions)
- * @cipher_group: group key cipher suite (or 0 if unset)
- * @n_ciphers_pairwise: number of AP supported unicast ciphers
- * @ciphers_pairwise: unicast key cipher suites
- * @n_akm_suites: number of AKM suites
- * @akm_suites: AKM suites
- * @control_port: Whether user space controls IEEE 802.1X port, i.e.,
- * 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.
- * @control_port_ethertype: the control port protocol that should be
- * allowed through even on unauthorized ports
- * @control_port_no_encrypt: TRUE to prevent encryption of control port
- * protocol frames.
- */
-struct cfg80211_crypto_settings {
- u32 wpa_versions;
- u32 cipher_group;
- int n_ciphers_pairwise;
- u32 ciphers_pairwise[NL80211_MAX_NR_CIPHER_SUITES];
- int n_akm_suites;
- u32 akm_suites[NL80211_MAX_NR_AKM_SUITES];
- bool control_port;
- __be16 control_port_ethertype;
- bool control_port_no_encrypt;
-};
-
/**
* struct cfg80211_auth_request - Authentication request data
*
* @key_len: length of WEP key for shared key authentication
* @key_idx: index of WEP key for shared key authentication
* @key: WEP key for shared key authentication
- * @local_state_change: This is a request for a local state only, i.e., no
- * Authentication frame is to be transmitted and authentication state is
- * to be changed without having to wait for a response from the peer STA
- * (AP).
*/
struct cfg80211_auth_request {
struct cfg80211_bss *bss;
enum nl80211_auth_type auth_type;
const u8 *key;
u8 key_len, key_idx;
- bool local_state_change;
+};
+
+/**
+ * enum cfg80211_assoc_req_flags - Over-ride default behaviour in association.
+ *
+ * @ASSOC_REQ_DISABLE_HT: Disable HT (802.11n)
+ */
+enum cfg80211_assoc_req_flags {
+ ASSOC_REQ_DISABLE_HT = BIT(0),
};
/**
*
* This structure provides information needed to complete IEEE 802.11
* (re)association.
- * @bss: The BSS to associate with.
+ * @bss: The BSS to associate with. If the call is successful the driver
+ * is given a reference that it must release, normally via a call to
+ * cfg80211_send_rx_assoc(), or, if association timed out, with a
+ * call to cfg80211_put_bss() (in addition to calling
+ * cfg80211_send_assoc_timeout())
* @ie: Extra IEs to add to (Re)Association Request frame or %NULL
* @ie_len: Length of ie buffer in octets
* @use_mfp: Use management frame protection (IEEE 802.11w) in this association
* @crypto: crypto settings
* @prev_bssid: previous BSSID, if not %NULL use reassociate frame
+ * @flags: See &enum cfg80211_assoc_req_flags
+ * @ht_capa: HT Capabilities over-rides. Values set in ht_capa_mask
+ * will be used in ht_capa. Un-supported values will be ignored.
+ * @ht_capa_mask: The bits of ht_capa which are to be used.
*/
struct cfg80211_assoc_request {
struct cfg80211_bss *bss;
size_t ie_len;
struct cfg80211_crypto_settings crypto;
bool use_mfp;
+ u32 flags;
+ struct ieee80211_ht_cap ht_capa;
+ struct ieee80211_ht_cap ht_capa_mask;
};
/**
* This structure provides information needed to complete IEEE 802.11
* deauthentication.
*
- * @bss: the BSS to deauthenticate from
+ * @bssid: the BSSID of the BSS to deauthenticate from
* @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: This is a request for a local state only, i.e., no
- * Deauthentication frame is to be transmitted.
*/
struct cfg80211_deauth_request {
- struct cfg80211_bss *bss;
+ const u8 *bssid;
const u8 *ie;
size_t ie_len;
u16 reason_code;
- bool local_state_change;
};
/**
* @bssid: Fixed BSSID requested, maybe be %NULL, if set do not
* search for IBSSs with a different BSSID.
* @channel: The channel to use if no IBSS can be found to join.
+ * @channel_type: channel type (HT mode)
* @channel_fixed: The channel should be fixed -- do not search for
* IBSSs to join on other channels.
* @ie: information element(s) to include in the beacon
* @beacon_interval: beacon interval to use
* @privacy: this is a protected network, keys will be configured
* after joining
+ * @control_port: whether user space controls IEEE 802.1X port, i.e.,
+ * 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.
* @basic_rates: bitmap of basic rates to use when creating the IBSS
* @mcast_rate: per-band multicast rate index + 1 (0: disabled)
*/
u8 *ssid;
u8 *bssid;
struct ieee80211_channel *channel;
+ enum nl80211_channel_type channel_type;
u8 *ie;
u8 ssid_len, ie_len;
u16 beacon_interval;
u32 basic_rates;
bool channel_fixed;
bool privacy;
+ bool control_port;
int mcast_rate[IEEE80211_NUM_BANDS];
};
* @key_len: length of WEP key for shared key authentication
* @key_idx: index of WEP key for shared key authentication
* @key: WEP key for shared key authentication
+ * @flags: See &enum cfg80211_assoc_req_flags
+ * @bg_scan_period: Background scan period in seconds
+ * or -1 to indicate that default value is to be used.
+ * @ht_capa: HT Capabilities over-rides. Values set in ht_capa_mask
+ * will be used in ht_capa. Un-supported values will be ignored.
+ * @ht_capa_mask: The bits of ht_capa which are to be used.
*/
struct cfg80211_connect_params {
struct ieee80211_channel *channel;
struct cfg80211_crypto_settings crypto;
const u8 *key;
u8 key_len, key_idx;
+ u32 flags;
+ int bg_scan_period;
+ struct ieee80211_ht_cap ht_capa;
+ struct ieee80211_ht_cap ht_capa_mask;
};
/**
struct cfg80211_bitrate_mask {
struct {
u32 legacy;
- /* TODO: add support for masking MCS rates; e.g.: */
- /* u8 mcs[IEEE80211_HT_MCS_MASK_LEN]; */
+ u8 mcs[IEEE80211_HT_MCS_MASK_LEN];
} control[IEEE80211_NUM_BANDS];
};
/**
*
* @set_rekey_data: give the data necessary for GTK rekeying to the driver
*
- * @add_beacon: Add a beacon with given parameters, @head, @interval
- * and @dtim_period will be valid, @tail is optional.
- * @set_beacon: Change the beacon parameters for an access point mode
- * interface. This should reject the call when no beacon has been
- * configured.
- * @del_beacon: Remove beacon configuration and stop sending the beacon.
+ * @start_ap: Start acting in AP mode defined by the parameters.
+ * @change_beacon: Change the beacon parameters for an access point mode
+ * interface. This should reject the call when AP mode wasn't started.
+ * @stop_ap: Stop being an AP, including stopping beaconing.
*
* @add_station: Add a new station.
* @del_station: Remove a station; @mac may be NULL to remove all stations.
- * @change_station: Modify a given station.
+ * @change_station: Modify a given station. Note that flags changes are not much
+ * validated in cfg80211, in particular the auth/assoc/authorized flags
+ * might come to the driver in invalid combinations -- make sure to check
+ * them, also against the existing state! Also, supported_rates changes are
+ * not checked in station mode -- drivers need to reject (or ignore) them
+ * for anything but TDLS peers.
* @get_station: get station information for the station identified by @mac
* @dump_station: dump station callback -- resume dump at index @idx
*
* doesn't verify much. Note, however, that the passed netdev may be
* %NULL as well if the user requested changing the channel for the
* device itself, or for a monitor interface.
+ * @get_channel: Get the current operating channel, should return %NULL if
+ * there's no single defined operating channel if for example the
+ * device implements channel hopping for multi-channel virtual interfaces.
*
* @scan: Request to do a scan. If returning zero, the scan request is given
* the driver, and will be valid until passed to cfg80211_scan_done().
* have changed. The actual parameter values are available in
* struct wiphy. If returning an error, no value should be changed.
*
- * @set_tx_power: set the transmit power according to the parameters
+ * @set_tx_power: set the transmit power according to the parameters,
+ * the power passed is in mBm, to get dBm use MBM_TO_DBM().
* @get_tx_power: store the current TX power into the dbm variable;
* return 0 if successful
*
* @set_ringparam: Set tx and rx ring sizes.
*
* @get_ringparam: Get tx and rx ring current and maximum sizes.
+ *
+ * @tdls_mgmt: Transmit a TDLS management frame.
+ * @tdls_oper: Perform a high-level TDLS operation (e.g. TDLS link setup).
+ *
+ * @probe_client: probe an associated client, must return a cookie that it
+ * later passes to cfg80211_probe_status().
+ *
+ * @set_noack_map: Set the NoAck Map for the TIDs.
*/
struct cfg80211_ops {
int (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
int (*change_bss)(struct wiphy *wiphy, struct net_device *dev,
struct bss_parameters *params);
- int (*set_txq_params)(struct wiphy *wiphy,
+ int (*set_txq_params)(struct wiphy *wiphy, struct net_device *dev,
struct ieee80211_txq_params *params);
int (*set_channel)(struct wiphy *wiphy, struct net_device *dev,
int (*assoc)(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_assoc_request *req);
int (*deauth)(struct wiphy *wiphy, struct net_device *dev,
- struct cfg80211_deauth_request *req,
- void *cookie);
+ struct cfg80211_deauth_request *req);
int (*disassoc)(struct wiphy *wiphy, struct net_device *dev,
- struct cfg80211_disassoc_request *req,
- void *cookie);
+ struct cfg80211_disassoc_request *req);
int (*connect)(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_connect_params *sme);
struct ieee80211_channel *chan, bool offchan,
enum nl80211_channel_type channel_type,
bool channel_type_valid, unsigned int wait,
- const u8 *buf, size_t len, u64 *cookie);
+ const u8 *buf, size_t len, bool no_cck,
+ bool dont_wait_for_ack, u64 *cookie);
int (*mgmt_tx_cancel_wait)(struct wiphy *wiphy,
struct net_device *dev,
u64 cookie);
int (*set_rekey_data)(struct wiphy *wiphy, struct net_device *dev,
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);
+ int (*tdls_oper)(struct wiphy *wiphy, struct net_device *dev,
+ u8 *peer, enum nl80211_tdls_operation oper);
+
+ int (*probe_client)(struct wiphy *wiphy, struct net_device *dev,
+ const u8 *peer, u64 *cookie);
+
+ int (*set_noack_map)(struct wiphy *wiphy,
+ struct net_device *dev,
+ u16 noack_map);
+
+ struct ieee80211_channel *(*get_channel)(struct wiphy *wiphy);
};
/*
* 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.
+ * 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
* @WIPHY_FLAG_MESH_AUTH: The device supports mesh authentication by routing
* auth frames to userspace. See @NL80211_MESH_SETUP_USERSPACE_AUTH.
* @WIPHY_FLAG_SUPPORTS_SCHED_SCAN: The device supports scheduled scans.
+ * @WIPHY_FLAG_SUPPORTS_FW_ROAM: The device supports roaming feature in the
+ * firmware.
+ * @WIPHY_FLAG_AP_UAPSD: The device supports uapsd on AP.
+ * @WIPHY_FLAG_SUPPORTS_TDLS: The device supports TDLS (802.11z) operation.
+ * @WIPHY_FLAG_TDLS_EXTERNAL_SETUP: The device does not handle TDLS (802.11z)
+ * link setup/discovery operations internally. Setup, discovery and
+ * teardown packets should be sent through the @NL80211_CMD_TDLS_MGMT
+ * command. When this flag is not set, @NL80211_CMD_TDLS_OPER should be
+ * used for asking the driver/firmware to perform a TDLS operation.
+ * @WIPHY_FLAG_HAVE_AP_SME: device integrates AP SME
+ * @WIPHY_FLAG_REPORTS_OBSS: the device will report beacons from other BSSes
+ * when there are virtual interfaces in AP mode by calling
+ * cfg80211_report_obss_beacon().
+ * @WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD: When operating as an AP, the device
+ * responds to probe-requests in hardware.
+ * @WIPHY_FLAG_OFFCHAN_TX: Device supports direct off-channel TX.
+ * @WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL: Device supports remain-on-channel call.
*/
enum wiphy_flags {
WIPHY_FLAG_CUSTOM_REGULATORY = BIT(0),
WIPHY_FLAG_MESH_AUTH = BIT(10),
WIPHY_FLAG_SUPPORTS_SCHED_SCAN = BIT(11),
WIPHY_FLAG_ENFORCE_COMBINATIONS = BIT(12),
+ WIPHY_FLAG_SUPPORTS_FW_ROAM = BIT(13),
+ WIPHY_FLAG_AP_UAPSD = BIT(14),
+ WIPHY_FLAG_SUPPORTS_TDLS = BIT(15),
+ WIPHY_FLAG_TDLS_EXTERNAL_SETUP = BIT(16),
+ WIPHY_FLAG_HAVE_AP_SME = BIT(17),
+ WIPHY_FLAG_REPORTS_OBSS = BIT(18),
+ WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD = BIT(19),
+ WIPHY_FLAG_OFFCHAN_TX = BIT(20),
+ WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL = BIT(21),
};
/**
* by default for perm_addr. In this case, the mask should be set to
* all-zeroes. In this case it is assumed that the device can handle
* the same number of arbitrary MAC addresses.
+ * @registered: protects ->resume and ->suspend sysfs callbacks against
+ * unregister hardware
* @debugfsdir: debugfs directory used for this wiphy, will be renamed
* automatically on wiphy renames
* @dev: (virtual) struct device for this wiphy
+ * @registered: helps synchronize suspend/resume with wiphy unregister
* @wext: wireless extension handlers
* @priv: driver private data (sized according to wiphy_new() parameter)
* @interface_modes: bitmask of interfaces types valid for this wiphy,
* @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
+ * @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
* @max_scan_ssids: maximum number of SSIDs the device can scan for in
* any given scan
* @max_sched_scan_ssids: maximum number of SSIDs the device can scan
* for in any given scheduled scan
+ * @max_match_sets: maximum number of match sets the device can handle
+ * when performing a scheduled scan, 0 if filtering is not
+ * supported.
* @max_scan_ie_len: maximum length of user-controlled IEs device can
* add to probe request frames transmitted during a scan, must not
* include fixed IEs like supported rates
+ * @max_sched_scan_ie_len: same as max_scan_ie_len, but for scheduled
+ * scans
* @coverage_class: current coverage class
* @fw_version: firmware version for ethtool reporting
* @hw_version: hardware version for ethtool reporting
* configured as RX antennas. Antenna configuration commands will be
* rejected unless this or @available_antennas_tx is set.
*
+ * @probe_resp_offload:
+ * Bitmap of supported protocols for probe response offloading.
+ * See &enum nl80211_probe_resp_offload_support_attr. Only valid
+ * when the wiphy flag @WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD is set.
+ *
* @max_remain_on_channel_duration: Maximum time a remain-on-channel operation
* may request, if implemented.
*
* @wowlan: WoWLAN support information
+ *
+ * @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.
*/
struct wiphy {
/* assign these fields before you register the wiphy */
/* Supported interface modes, OR together BIT(NL80211_IFTYPE_...) */
u16 interface_modes;
- u32 flags;
+ u32 flags, features;
+
+ u32 ap_sme_capa;
enum cfg80211_signal_type signal_type;
int bss_priv_size;
u8 max_scan_ssids;
u8 max_sched_scan_ssids;
+ u8 max_match_sets;
u16 max_scan_ie_len;
+ u16 max_sched_scan_ie_len;
int n_cipher_suites;
const u32 *cipher_suites;
u32 available_antennas_tx;
u32 available_antennas_rx;
+ /*
+ * Bitmap of supported protocols for probe response offloading
+ * see &enum nl80211_probe_resp_offload_support_attr. Only valid
+ * when the wiphy flag @WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD is set.
+ */
+ u32 probe_resp_offload;
+
/* 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
* you need use set_wiphy_dev() (see below) */
struct device dev;
+ /* protects ->resume, ->suspend sysfs callbacks against unregister hw */
+ bool registered;
+
/* dir in debugfs: ieee80211/<wiphyname> */
struct dentry *debugfsdir;
+ const struct ieee80211_ht_cap *ht_capa_mod_mask;
+
#ifdef CONFIG_NET_NS
/* the network namespace this phy lives in currently */
struct net *_net;
struct cfg80211_internal_bss;
struct cfg80211_cached_keys;
-#define MAX_AUTH_BSSES 4
-
/**
* struct wireless_dev - wireless per-netdev state
*
struct list_head event_list;
spinlock_t event_lock;
- struct cfg80211_internal_bss *authtry_bsses[MAX_AUTH_BSSES];
- struct cfg80211_internal_bss *auth_bsses[MAX_AUTH_BSSES];
struct cfg80211_internal_bss *current_bss; /* associated / joined */
struct ieee80211_channel *channel;
int beacon_interval;
+ u32 ap_unexpected_nlpid;
+
#ifdef CONFIG_CFG80211_WEXT
/* wext data */
struct {
*/
const u8 *cfg80211_find_ie(u8 eid, const u8 *ies, int len);
+/**
+ * cfg80211_find_vendor_ie - find vendor specific information element in data
+ *
+ * @oui: vendor OUI
+ * @oui_type: vendor-specific OUI type
+ * @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.
+ */
+const u8 *cfg80211_find_vendor_ie(unsigned int oui, u8 oui_type,
+ const u8 *ies, int len);
+
/**
* DOC: Regulatory enforcement infrastructure
*
u32 desired_bw_khz,
const struct ieee80211_reg_rule **reg_rule);
-/*
- * Temporary wext handlers & helper functions
- *
- * In the future cfg80211 will simply assign the entire wext handler
- * structure to netdevs it manages, but we're not there yet.
- */
-int cfg80211_wext_giwname(struct net_device *dev,
- struct iw_request_info *info,
- char *name, char *extra);
-int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info,
- u32 *mode, char *extra);
-int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info,
- u32 *mode, char *extra);
-int cfg80211_wext_siwscan(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu, char *extra);
-int cfg80211_wext_giwscan(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *data, char *extra);
-int cfg80211_wext_siwmlme(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *data, char *extra);
-int cfg80211_wext_giwrange(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *data, char *extra);
-int cfg80211_wext_siwgenie(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *data, char *extra);
-int cfg80211_wext_siwauth(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *data, char *extra);
-int cfg80211_wext_giwauth(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *data, char *extra);
-
-int cfg80211_wext_siwfreq(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_freq *freq, char *extra);
-int cfg80211_wext_giwfreq(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_freq *freq, char *extra);
-int cfg80211_wext_siwessid(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *data, char *ssid);
-int cfg80211_wext_giwessid(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *data, char *ssid);
-int cfg80211_wext_siwrate(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *rate, char *extra);
-int cfg80211_wext_giwrate(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *rate, char *extra);
-
-int cfg80211_wext_siwrts(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *rts, char *extra);
-int cfg80211_wext_giwrts(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *rts, char *extra);
-int cfg80211_wext_siwfrag(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *frag, char *extra);
-int cfg80211_wext_giwfrag(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *frag, char *extra);
-int cfg80211_wext_siwretry(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *retry, char *extra);
-int cfg80211_wext_giwretry(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *retry, char *extra);
-int cfg80211_wext_siwencodeext(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *erq, char *extra);
-int cfg80211_wext_siwencode(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *erq, char *keybuf);
-int cfg80211_wext_giwencode(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *erq, char *keybuf);
-int cfg80211_wext_siwtxpower(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *data, char *keybuf);
-int cfg80211_wext_giwtxpower(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *data, char *keybuf);
-struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev);
-
-int cfg80211_wext_siwpower(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *wrq, char *extra);
-int cfg80211_wext_giwpower(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *wrq, char *extra);
-
-int cfg80211_wext_siwap(struct net_device *dev,
- struct iw_request_info *info,
- struct sockaddr *ap_addr, char *extra);
-int cfg80211_wext_giwap(struct net_device *dev,
- struct iw_request_info *info,
- struct sockaddr *ap_addr, char *extra);
-
-int cfg80211_wext_siwpmksa(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *data, char *extra);
-
/*
* callbacks for asynchronous cfg80211 methods, notification
* functions and BSS handling helpers
*
* 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()!
*/
-struct cfg80211_bss*
+struct cfg80211_bss * __must_check
cfg80211_inform_bss_frame(struct wiphy *wiphy,
struct ieee80211_channel *channel,
struct ieee80211_mgmt *mgmt, size_t len,
* @wiphy: the wiphy reporting the BSS
* @channel: The channel the frame was received on
* @bssid: the BSSID of the BSS
- * @timestamp: the TSF timestamp sent by the peer
+ * @tsf: the TSF sent by the peer in the beacon/probe response (or 0)
* @capability: the capability field sent by the peer
* @beacon_interval: the beacon interval announced by the peer
* @ie: additional IEs sent by the peer
*
* 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()!
*/
-struct cfg80211_bss*
+struct cfg80211_bss * __must_check
cfg80211_inform_bss(struct wiphy *wiphy,
struct ieee80211_channel *channel,
- const u8 *bssid,
- u64 timestamp, u16 capability, u16 beacon_interval,
- const u8 *ie, size_t ielen,
+ const u8 *bssid, u64 tsf, u16 capability,
+ u16 beacon_interval, const u8 *ie, size_t ielen,
s32 signal, gfp_t gfp);
struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy,
struct ieee80211_channel *channel,
const u8 *meshid, size_t meshidlen,
const u8 *meshcfg);
+/**
+ * cfg80211_ref_bss - reference BSS struct
+ * @bss: the BSS struct to reference
+ *
+ * Increments the refcount of the given BSS struct.
+ */
+void cfg80211_ref_bss(struct cfg80211_bss *bss);
+
+/**
+ * cfg80211_put_bss - unref BSS struct
+ * @bss: the BSS struct
+ *
+ * Decrements the refcount of the given BSS struct.
+ */
void cfg80211_put_bss(struct cfg80211_bss *bss);
/**
*/
void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr);
-/**
- * __cfg80211_auth_canceled - notify cfg80211 that authentication was canceled
- * @dev: network device
- * @addr: The MAC address of the device with which the authentication timed out
- *
- * When a pending authentication had no action yet, the driver may decide
- * to not send a deauth frame, but in that case must calls this function
- * to tell cfg80211 about this decision. It is only valid to call this
- * function within the deauth() callback.
- */
-void __cfg80211_auth_canceled(struct net_device *dev, const u8 *addr);
-
/**
* cfg80211_send_rx_assoc - notification of processed association
* @dev: network device
+ * @bss: the BSS struct association was requested for, the struct reference
+ * is owned by cfg80211 after this call
* @buf: (re)association response frame (header + body)
* @len: length of the frame data
*
* function or cfg80211_send_assoc_timeout() to indicate the result of
* cfg80211_ops::assoc() call. This function may sleep.
*/
-void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len);
+void cfg80211_send_rx_assoc(struct net_device *dev, struct cfg80211_bss *bss,
+ const u8 *buf, size_t len);
/**
* cfg80211_send_assoc_timeout - notification of timed out association
const u8 *req_ie, size_t req_ie_len,
const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp);
+/**
+ * cfg80211_roamed_bss - notify cfg80211 of roaming
+ *
+ * @dev: network device
+ * @bss: entry of bss to which STA got roamed
+ * @req_ie: association request IEs (maybe be %NULL)
+ * @req_ie_len: association request IEs length
+ * @resp_ie: association response IEs (may be %NULL)
+ * @resp_ie_len: assoc response IEs length
+ * @gfp: allocation flags
+ *
+ * This is just a wrapper to notify cfg80211 of roaming event with driver
+ * passing bss to avoid a race in timeout of the bss entry. It should be
+ * called by the underlying driver whenever it roamed from one AP to another
+ * while connected. Drivers which have roaming implemented in firmware
+ * may use this function to avoid a race in bss entry timeout where the bss
+ * entry of the new AP is seen in the driver, but gets timed out by the time
+ * it is accessed in __cfg80211_roamed() due to delay in scheduling
+ * rdev->event_work. In case of any failures, the reference is released
+ * either in cfg80211_roamed_bss() or in __cfg80211_romed(), Otherwise,
+ * it will be released while diconneting from the current bss.
+ */
+void cfg80211_roamed_bss(struct net_device *dev, struct cfg80211_bss *bss,
+ const u8 *req_ie, size_t req_ie_len,
+ const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp);
+
/**
* cfg80211_disconnected - notify cfg80211 that connection was dropped
*
* cfg80211_rx_mgmt - notification of received, unprocessed management frame
* @dev: network device
* @freq: Frequency on which the frame was received in MHz
+ * @sig_dbm: signal strength in mBm, or 0 if unknown
* @buf: Management frame (header + body)
* @len: length of the frame data
* @gfp: context flags
* 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 net_device *dev, int freq, const u8 *buf,
- size_t len, gfp_t gfp);
+bool cfg80211_rx_mgmt(struct net_device *dev, int freq, int sig_dbm,
+ const u8 *buf, size_t len, gfp_t gfp);
/**
* cfg80211_mgmt_tx_status - notification of TX status for management frame
void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
const u8 *replay_ctr, gfp_t gfp);
+/**
+ * cfg80211_pmksa_candidate_notify - notify about PMKSA caching candidate
+ * @dev: network device
+ * @index: candidate index (the smaller the index, the higher the priority)
+ * @bssid: BSSID of AP
+ * @preauth: Whether AP advertises support for RSN pre-authentication
+ * @gfp: allocation flags
+ */
+void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
+ const u8 *bssid, bool preauth, gfp_t gfp);
+
+/**
+ * cfg80211_rx_spurious_frame - inform userspace about a spurious frame
+ * @dev: The device the frame matched to
+ * @addr: the transmitter address
+ * @gfp: context flags
+ *
+ * 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
+ * for a reason other than not having a subscription.)
+ */
+bool cfg80211_rx_spurious_frame(struct net_device *dev,
+ const u8 *addr, gfp_t gfp);
+
+/**
+ * cfg80211_rx_unexpected_4addr_frame - inform about unexpected WDS frame
+ * @dev: The device the frame matched to
+ * @addr: the transmitter address
+ * @gfp: context flags
+ *
+ * This function is used in AP mode (only!) to inform userspace that
+ * 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
+ * for a reason other than not having a subscription.)
+ */
+bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
+ const u8 *addr, gfp_t gfp);
+
+/**
+ * cfg80211_probe_status - notify userspace about probe status
+ * @dev: the device the probe was sent on
+ * @addr: the address of the peer
+ * @cookie: the cookie filled in @probe_client previously
+ * @acked: indicates whether probe was acked or not
+ * @gfp: allocation flags
+ */
+void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
+ u64 cookie, bool acked, gfp_t gfp);
+
+/**
+ * cfg80211_report_obss_beacon - report beacon from other APs
+ * @wiphy: The wiphy that received the beacon
+ * @frame: the frame
+ * @len: length of the frame
+ * @freq: frequency the frame was received on
+ * @sig_dbm: signal strength in mBm, or 0 if unknown
+ * @gfp: allocation flags
+ *
+ * Use this function to report to userspace when a beacon was
+ * received. It is not useful to call this when there is no
+ * netdev that is in AP/GO mode.
+ */
+void cfg80211_report_obss_beacon(struct wiphy *wiphy,
+ const u8 *frame, size_t len,
+ int freq, int sig_dbm, gfp_t gfp);
+
+/*
+ * cfg80211_can_beacon_sec_chan - test if ht40 on extension channel can be used
+ * @wiphy: the wiphy
+ * @chan: main channel
+ * @channel_type: HT mode
+ */
+int cfg80211_can_beacon_sec_chan(struct wiphy *wiphy,
+ struct ieee80211_channel *chan,
+ enum nl80211_channel_type channel_type);
+
+/*
+ * cfg80211_calculate_bitrate - calculate actual bitrate (in 100Kbps units)
+ * @rate: given rate_info to calculate bitrate from
+ *
+ * return 0 if MCS index >= 32
+ */
+u16 cfg80211_calculate_bitrate(struct rate_info *rate);
+
/* Logging, debugging and troubleshooting/diagnostic helpers. */
/* wiphy_printk helpers, similar to dev_printk */
Code Review / linux-2.6.git / blobdiff