* Wi-Fi Direct - P2P module
* Copyright (c) 2009-2010, Atheros Communications
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Alternatively, this software may be distributed under the terms of BSD
- * license.
- *
- * See README and COPYING for more details.
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
*/
#ifndef P2P_H
#define P2P_H
+#include "common/ieee802_11_defs.h"
+#include "wps/wps.h"
+
+/* P2P ASP Setup Capability */
+#define P2PS_SETUP_NONE 0
+#define P2PS_SETUP_NEW BIT(0)
+#define P2PS_SETUP_CLIENT BIT(1)
+#define P2PS_SETUP_GROUP_OWNER BIT(2)
+
+#define P2PS_WILD_HASH_STR "org.wi-fi.wfds"
+#define P2PS_HASH_LEN 6
+#define P2P_MAX_QUERY_HASH 6
+#define P2PS_FEATURE_CAPAB_CPT_MAX 2
+
+/**
+ * P2P_MAX_PREF_CHANNELS - Maximum number of preferred channels
+ */
+#define P2P_MAX_PREF_CHANNELS 100
+
/**
* P2P_MAX_REG_CLASSES - Maximum number of regulatory classes
*/
};
enum p2p_wps_method {
- WPS_NOT_READY, WPS_PIN_LABEL, WPS_PIN_DISPLAY, WPS_PIN_KEYPAD, WPS_PBC
+ WPS_NOT_READY, WPS_PIN_DISPLAY, WPS_PIN_KEYPAD, WPS_PBC, WPS_NFC,
+ WPS_P2PS
};
/**
*/
int freq;
+ int ht40;
+
+ int vht;
+
/**
* ssid - SSID of the group
*/
- u8 ssid[32];
+ u8 ssid[SSID_MAX_LEN];
/**
* ssid_len - Length of SSID in octets
size_t ssid_len;
/**
+ * psk - WPA pre-shared key (256 bits) (GO only)
+ */
+ u8 psk[32];
+
+ /**
+ * psk_set - Whether PSK field is configured (GO only)
+ */
+ int psk_set;
+
+ /**
* passphrase - WPA2-Personal passphrase for the group (GO only)
*/
char passphrase[64];
/**
* persistent_group - Whether the group should be made persistent
+ * 0 = not persistent
+ * 1 = persistent group without persistent reconnect
+ * 2 = persistent group with persistent reconnect
*/
int persistent_group;
unsigned int peer_config_timeout;
};
+struct p2ps_provision {
+ /**
+ * pd_seeker - P2PS provision discovery seeker role
+ */
+ unsigned int pd_seeker:1;
+
+ /**
+ * status - Remote returned provisioning status code
+ */
+ int status;
+
+ /**
+ * adv_id - P2PS Advertisement ID
+ */
+ u32 adv_id;
+
+ /**
+ * session_id - P2PS Session ID
+ */
+ u32 session_id;
+
+ /**
+ * method - WPS Method (to be) used to establish session
+ */
+ u16 method;
+
+ /**
+ * conncap - Connection Capabilities negotiated between P2P peers
+ */
+ u8 conncap;
+
+ /**
+ * role - Info about the roles to be used for this connection
+ */
+ u8 role;
+
+ /**
+ * session_mac - MAC address of the peer that started the session
+ */
+ u8 session_mac[ETH_ALEN];
+
+ /**
+ * adv_mac - MAC address of the peer advertised the service
+ */
+ u8 adv_mac[ETH_ALEN];
+
+ /**
+ * cpt_mask - Supported Coordination Protocol Transport mask
+ *
+ * A bitwise mask of supported ASP Coordination Protocol Transports.
+ * This property is set together and corresponds with cpt_priority.
+ */
+ u8 cpt_mask;
+
+ /**
+ * cpt_priority - Coordination Protocol Transport priority list
+ *
+ * Priorities of supported ASP Coordination Protocol Transports.
+ * This property is set together and corresponds with cpt_mask.
+ * The CPT priority list is 0 terminated.
+ */
+ u8 cpt_priority[P2PS_FEATURE_CAPAB_CPT_MAX + 1];
+
+ /**
+ * info - Vendor defined extra Provisioning information
+ */
+ char info[0];
+};
+
+struct p2ps_advertisement {
+ struct p2ps_advertisement *next;
+
+ /**
+ * svc_info - Pointer to (internal) Service defined information
+ */
+ char *svc_info;
+
+ /**
+ * id - P2PS Advertisement ID
+ */
+ u32 id;
+
+ /**
+ * config_methods - WPS Methods which are allowed for this service
+ */
+ u16 config_methods;
+
+ /**
+ * state - Current state of the service: 0 - Out Of Service, 1-255 Vendor defined
+ */
+ u8 state;
+
+ /**
+ * auto_accept - Automatically Accept provisioning request if possible.
+ */
+ u8 auto_accept;
+
+ /**
+ * hash - 6 octet Service Name has to match against incoming Probe Requests
+ */
+ u8 hash[P2PS_HASH_LEN];
+
+ /**
+ * cpt_mask - supported Coordination Protocol Transport mask
+ *
+ * A bitwise mask of supported ASP Coordination Protocol Transports.
+ * This property is set together and corresponds with cpt_priority.
+ */
+ u8 cpt_mask;
+
+ /**
+ * cpt_priority - Coordination Protocol Transport priority list
+ *
+ * Priorities of supported ASP Coordinatin Protocol Transports.
+ * This property is set together and corresponds with cpt_mask.
+ * The CPT priority list is 0 terminated.
+ */
+ u8 cpt_priority[P2PS_FEATURE_CAPAB_CPT_MAX + 1];
+
+ /**
+ * svc_name - NULL Terminated UTF-8 Service Name, and svc_info storage
+ */
+ char svc_name[0];
+};
+
+
struct p2p_data;
enum p2p_scan_type {
P2P_SCAN_SOCIAL_PLUS_ONE
};
+#define P2P_MAX_WPS_VENDOR_EXT 10
+
+/**
+ * struct p2p_peer_info - P2P peer information
+ */
+struct p2p_peer_info {
+ /**
+ * p2p_device_addr - P2P Device Address of the peer
+ */
+ u8 p2p_device_addr[ETH_ALEN];
+
+ /**
+ * pri_dev_type - Primary Device Type
+ */
+ u8 pri_dev_type[8];
+
+ /**
+ * device_name - Device Name (0..32 octets encoded in UTF-8)
+ */
+ char device_name[WPS_DEV_NAME_MAX_LEN + 1];
+
+ /**
+ * manufacturer - Manufacturer (0..64 octets encoded in UTF-8)
+ */
+ char manufacturer[WPS_MANUFACTURER_MAX_LEN + 1];
+
+ /**
+ * model_name - Model Name (0..32 octets encoded in UTF-8)
+ */
+ char model_name[WPS_MODEL_NAME_MAX_LEN + 1];
+
+ /**
+ * model_number - Model Number (0..32 octets encoded in UTF-8)
+ */
+ char model_number[WPS_MODEL_NUMBER_MAX_LEN + 1];
+
+ /**
+ * serial_number - Serial Number (0..32 octets encoded in UTF-8)
+ */
+ char serial_number[WPS_SERIAL_NUMBER_MAX_LEN + 1];
+
+ /**
+ * level - Signal level
+ */
+ int level;
+
+ /**
+ * config_methods - WPS Configuration Methods
+ */
+ u16 config_methods;
+
+ /**
+ * dev_capab - Device Capabilities
+ */
+ u8 dev_capab;
+
+ /**
+ * group_capab - Group Capabilities
+ */
+ u8 group_capab;
+
+ /**
+ * wps_sec_dev_type_list - WPS secondary device type list
+ *
+ * This list includes from 0 to 16 Secondary Device Types as indicated
+ * by wps_sec_dev_type_list_len (8 * number of types).
+ */
+ u8 wps_sec_dev_type_list[WPS_SEC_DEV_TYPE_MAX_LEN];
+
+ /**
+ * wps_sec_dev_type_list_len - Length of secondary device type list
+ */
+ size_t wps_sec_dev_type_list_len;
+
+ struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
+
+ /**
+ * wfd_subelems - Wi-Fi Display subelements from WFD IE(s)
+ */
+ struct wpabuf *wfd_subelems;
+
+ /**
+ * vendor_elems - Unrecognized vendor elements
+ *
+ * This buffer includes any other vendor element than P2P, WPS, and WFD
+ * IE(s) from the frame that was used to discover the peer.
+ */
+ struct wpabuf *vendor_elems;
+
+ /**
+ * p2ps_instance - P2PS Application Service Info
+ */
+ struct wpabuf *p2ps_instance;
+};
+
+enum p2p_prov_disc_status {
+ P2P_PROV_DISC_SUCCESS,
+ P2P_PROV_DISC_TIMEOUT,
+ P2P_PROV_DISC_REJECTED,
+ P2P_PROV_DISC_TIMEOUT_JOIN,
+ P2P_PROV_DISC_INFO_UNAVAILABLE,
+};
+
+struct p2p_channel {
+ u8 op_class;
+ u8 chan;
+};
+
/**
* struct p2p_config - P2P configuration
*
u8 channel;
/**
+ * channel_forced - the listen channel was forced by configuration
+ * or by control interface and cannot be overridden
+ */
+ u8 channel_forced;
+
+ /**
* Regulatory class for own operational channel
*/
u8 op_reg_class;
u8 op_channel;
/**
+ * cfg_op_channel - Whether op_channel is hardcoded in configuration
+ */
+ u8 cfg_op_channel;
+
+ /**
* channels - Own supported regulatory classes and channels
*
* List of supposerted channels per regulatory class. The regulatory
struct p2p_channels channels;
/**
+ * cli_channels - Additional client channels
+ *
+ * This list of channels (if any) will be used when advertising local
+ * channels during GO Negotiation or Invitation for the cases where the
+ * local end may become the client. This may allow the peer to become a
+ * GO on additional channels if it supports these options. The main use
+ * case for this is to include passive-scan channels on devices that may
+ * not know their current location and have configured most channels to
+ * not allow initiation of radition (i.e., another device needs to take
+ * master responsibilities).
+ */
+ struct p2p_channels cli_channels;
+
+ /**
+ * num_pref_chan - Number of pref_chan entries
+ */
+ unsigned int num_pref_chan;
+
+ /**
+ * pref_chan - Preferred channels for GO Negotiation
+ */
+ struct p2p_channel *pref_chan;
+
+ /**
* pri_dev_type - Primary Device Type (see WPS)
*/
u8 pri_dev_type[8];
u8 sec_dev_type[P2P_SEC_DEVICE_TYPES][8];
/**
+ * num_sec_dev_types - Number of sec_dev_type entries
+ */
+ size_t num_sec_dev_types;
+
+ /**
* dev_addr - P2P Device Address
*/
u8 dev_addr[ETH_ALEN];
*/
char *dev_name;
- /**
- * num_sec_dev_types - Number of sec_dev_type entries
- */
- size_t num_sec_dev_types;
+ char *manufacturer;
+ char *model_name;
+ char *model_number;
+ char *serial_number;
+
+ u8 uuid[16];
+ u16 config_methods;
/**
* concurrent_operations - Whether concurrent operations are supported
* This data will be added to the end of the SSID after the
* DIRECT-<random two octets> prefix.
*/
- u8 ssid_postfix[32 - 9];
+ u8 ssid_postfix[SSID_MAX_LEN - 9];
/**
* ssid_postfix_len - Length of the ssid_postfix data
size_t ssid_postfix_len;
/**
- * msg_ctx - Context to use with wpa_msg() calls
+ * max_listen - Maximum listen duration in ms
+ */
+ unsigned int max_listen;
+
+ /**
+ * passphrase_len - Passphrase length (8..63)
+ *
+ * This parameter controls the length of the random passphrase that is
+ * generated at the GO.
*/
- void *msg_ctx;
+ unsigned int passphrase_len;
/**
* cb_ctx - Context to use with callback functions
*/
void *cb_ctx;
+ /**
+ * debug_print - Debug print
+ * @ctx: Callback context from cb_ctx
+ * @level: Debug verbosity level (MSG_*)
+ * @msg: Debug message
+ */
+ void (*debug_print)(void *ctx, int level, const char *msg);
+
/* Callbacks to request lower layer driver operations */
* @ctx: Callback context from cb_ctx
* @type: Scan type
* @freq: Specific frequency (MHz) to scan or 0 for no restriction
+ * @num_req_dev_types: Number of requested device types
+ * @req_dev_types: Array containing requested device types
+ * @dev_id: Device ID to search for or %NULL to find all devices
+ * @pw_id: Device Password ID
* Returns: 0 on success, -1 on failure
*
* This callback function is used to request a P2P scan or search
* then calling p2p_scan_res_handled() to indicate that all scan
* results have been indicated.
*/
- int (*p2p_scan)(void *ctx, enum p2p_scan_type type, int freq);
+ int (*p2p_scan)(void *ctx, enum p2p_scan_type type, int freq,
+ unsigned int num_req_dev_types,
+ const u8 *req_dev_types, const u8 *dev_id, u16 pw_id);
/**
* send_probe_resp - Transmit a Probe Response frame
* @ctx: Callback context from cb_ctx
* @buf: Probe Response frame (including the header and body)
+ * @freq: Forced frequency (in MHz) to use or 0.
* Returns: 0 on success, -1 on failure
*
* This function is used to reply to Probe Request frames that were
* indicated with a call to p2p_probe_req_rx(). The response is to be
- * sent on the same channel or to be dropped if the driver is not
- * anymore listening to Probe Request frames.
+ * sent on the same channel, unless otherwise specified, or to be
+ * dropped if the driver is not listening to Probe Request frames
+ * anymore.
*
* Alternatively, the responsibility for building the Probe Response
* frames in Listen state may be in another system component in which
* Request frames must be indicated by calling p2p_probe_req_rx() even
* if this send_probe_resp() is not used.
*/
- int (*send_probe_resp)(void *ctx, const struct wpabuf *buf);
+ int (*send_probe_resp)(void *ctx, const struct wpabuf *buf,
+ unsigned int freq);
/**
* send_action - Transmit an Action frame
* dev_found - Notification of a found P2P Device
* @ctx: Callback context from cb_ctx
* @addr: Source address of the message triggering this notification
- * @dev_addr: P2P Device Address of the found P2P Device
- * @pri_dev_type: Primary Device Type
- * @dev_name: Device Name
- * @config_methods: Configuration Methods
- * @dev_capab: Device Capabilities
- * @group_capab: Group Capabilities
+ * @info: P2P peer information
+ * @new_device: Inform if the peer is newly found
*
* This callback is used to notify that a new P2P Device has been
* found. This may happen, e.g., during Search state based on scan
* results or during Listen state based on receive Probe Request and
* Group Owner Negotiation Request.
*/
- void (*dev_found)(void *ctx, const u8 *addr, const u8 *dev_addr,
- const u8 *pri_dev_type, const char *dev_name,
- u16 config_methods, u8 dev_capab, u8 group_capab);
+ void (*dev_found)(void *ctx, const u8 *addr,
+ const struct p2p_peer_info *info,
+ int new_device);
+
+ /**
+ * dev_lost - Notification of a lost P2P Device
+ * @ctx: Callback context from cb_ctx
+ * @dev_addr: P2P Device Address of the lost P2P Device
+ *
+ * This callback is used to notify that a P2P Device has been deleted.
+ */
+ void (*dev_lost)(void *ctx, const u8 *dev_addr);
+
+ /**
+ * find_stopped - Notification of a p2p_find operation stopping
+ * @ctx: Callback context from cb_ctx
+ */
+ void (*find_stopped)(void *ctx);
/**
* go_neg_req_rx - Notification of a receive GO Negotiation Request
* @ctx: Callback context from cb_ctx
* @src: Source address of the message triggering this notification
* @dev_passwd_id: WPS Device Password ID
+ * @go_intent: Peer's GO Intent
*
* This callback is used to notify that a P2P Device is requesting
* group owner negotiation with us, but we do not have all the
* PIN or PBC button press. This information can be provided with a
* call to p2p_connect().
*/
- void (*go_neg_req_rx)(void *ctx, const u8 *src, u16 dev_passwd_id);
+ void (*go_neg_req_rx)(void *ctx, const u8 *src, u16 dev_passwd_id,
+ u8 go_intent);
/**
* go_neg_completed - Notification of GO Negotiation results
* @supp_config_methods: Supported configuration Methods
* @dev_capab: Device Capabilities
* @group_capab: Group Capabilities
+ * @group_id: P2P Group ID (or %NULL if not included)
+ * @group_id_len: Length of P2P Group ID
*
* This callback is used to indicate reception of a Provision Discovery
* Request frame that the P2P module accepted.
void (*prov_disc_req)(void *ctx, const u8 *peer, u16 config_methods,
const u8 *dev_addr, const u8 *pri_dev_type,
const char *dev_name, u16 supp_config_methods,
- u8 dev_capab, u8 group_capab);
+ u8 dev_capab, u8 group_capab,
+ const u8 *group_id, size_t group_id_len);
/**
* prov_disc_resp - Callback on Provisiong Discovery Response
void (*prov_disc_resp)(void *ctx, const u8 *peer, u16 config_methods);
/**
+ * prov_disc_fail - Callback on Provision Discovery failure
+ * @ctx: Callback context from cb_ctx
+ * @peer: Source address of the response
+ * @status: Cause of failure, will not be %P2P_PROV_DISC_SUCCESS
+ * @adv_id: If non-zero, then the adv_id of the PD Request
+ * @adv_mac: P2P Device Address of the advertizer
+ * @deferred_session_resp: Deferred session response sent by advertizer
+ *
+ * This callback is used to indicate either a failure or no response
+ * to an earlier provision discovery request.
+ *
+ * This callback handler can be set to %NULL if provision discovery
+ * is not used or failures do not need to be indicated.
+ */
+ void (*prov_disc_fail)(void *ctx, const u8 *peer,
+ enum p2p_prov_disc_status status,
+ u32 adv_id, const u8 *adv_mac,
+ const char *deferred_session_resp);
+
+ /**
* invitation_process - Optional callback for processing Invitations
* @ctx: Callback context from cb_ctx
* @sa: Source address of the Invitation Request
* @persistent_group: Whether this is an invitation to reinvoke a
* persistent group (instead of invitation to join an active
* group)
+ * @channels: Available operating channels for the group
+ * @dev_pw_id: Device Password ID for NFC static handover or -1 if not
+ * used
* Returns: Status code (P2P_SC_*)
*
* This optional callback can be used to implement persistent reconnect
u8 (*invitation_process)(void *ctx, const u8 *sa, const u8 *bssid,
const u8 *go_dev_addr, const u8 *ssid,
size_t ssid_len, int *go, u8 *group_bssid,
- int *force_freq, int persistent_group);
+ int *force_freq, int persistent_group,
+ const struct p2p_channels *channels,
+ int dev_pw_id);
/**
* invitation_received - Callback on Invitation Request RX
* @ctx: Callback context from cb_ctx
* @status: Negotiation result (Status Code)
* @bssid: P2P Group BSSID or %NULL if not received
+ * @channels: Available operating channels for the group
+ * @addr: Peer address
+ * @freq: Frequency (in MHz) indicated during invitation or 0
+ * @peer_oper_freq: Operating frequency (in MHz) advertized by the peer
+ * during invitation or 0
*
* This callback is used to indicate result of an Invitation procedure
* started with a call to p2p_invite(). The indicated status code is
* (P2P_SC_SUCCESS) indicating success or -1 to indicate a timeout or a
* local failure in transmitting the Invitation Request.
*/
- void (*invitation_result)(void *ctx, int status, const u8 *bssid);
+ void (*invitation_result)(void *ctx, int status, const u8 *bssid,
+ const struct p2p_channels *channels,
+ const u8 *addr, int freq, int peer_oper_freq);
+
+ /**
+ * go_connected - Check whether we are connected to a GO
+ * @ctx: Callback context from cb_ctx
+ * @dev_addr: P2P Device Address of a GO
+ * Returns: 1 if we are connected as a P2P client to the specified GO
+ * or 0 if not.
+ */
+ int (*go_connected)(void *ctx, const u8 *dev_addr);
+
+ /**
+ * presence_resp - Callback on Presence Response
+ * @ctx: Callback context from cb_ctx
+ * @src: Source address (GO's P2P Interface Address)
+ * @status: Result of the request (P2P_SC_*)
+ * @noa: Returned NoA value
+ * @noa_len: Length of the NoA buffer in octets
+ */
+ void (*presence_resp)(void *ctx, const u8 *src, u8 status,
+ const u8 *noa, size_t noa_len);
+
+ /**
+ * is_concurrent_session_active - Check whether concurrent session is
+ * active on other virtual interfaces
+ * @ctx: Callback context from cb_ctx
+ * Returns: 1 if concurrent session is active on other virtual interface
+ * or 0 if not.
+ */
+ int (*is_concurrent_session_active)(void *ctx);
+
+ /**
+ * is_p2p_in_progress - Check whether P2P operation is in progress
+ * @ctx: Callback context from cb_ctx
+ * Returns: 1 if P2P operation (e.g., group formation) is in progress
+ * or 0 if not.
+ */
+ int (*is_p2p_in_progress)(void *ctx);
+
+ /**
+ * Determine if we have a persistent group we share with remote peer
+ * and allocate interface for this group if needed
+ * @ctx: Callback context from cb_ctx
+ * @addr: Peer device address to search for
+ * @ssid: Persistent group SSID or %NULL if any
+ * @ssid_len: Length of @ssid
+ * @go_dev_addr: Buffer for returning GO P2P Device Address
+ * @ret_ssid: Buffer for returning group SSID
+ * @ret_ssid_len: Buffer for returning length of @ssid
+ * @intended_iface_addr: Buffer for returning intended iface address
+ * Returns: 1 if a matching persistent group was found, 0 otherwise
+ */
+ int (*get_persistent_group)(void *ctx, const u8 *addr, const u8 *ssid,
+ size_t ssid_len, u8 *go_dev_addr,
+ u8 *ret_ssid, size_t *ret_ssid_len,
+ u8 *intended_iface_addr);
+
+ /**
+ * Get information about a possible local GO role
+ * @ctx: Callback context from cb_ctx
+ * @intended_addr: Buffer for returning intended GO interface address
+ * @ssid: Buffer for returning group SSID
+ * @ssid_len: Buffer for returning length of @ssid
+ * @group_iface: Buffer for returning whether a separate group interface
+ * would be used
+ * Returns: 1 if GO info found, 0 otherwise
+ *
+ * This is used to compose New Group settings (SSID, and intended
+ * address) during P2PS provisioning if results of provisioning *might*
+ * result in our being an autonomous GO.
+ */
+ int (*get_go_info)(void *ctx, u8 *intended_addr,
+ u8 *ssid, size_t *ssid_len, int *group_iface);
+
+ /**
+ * remove_stale_groups - Remove stale P2PS groups
+ *
+ * Because P2PS stages *potential* GOs, and remote devices can remove
+ * credentials unilaterally, we need to make sure we don't let stale
+ * unusable groups build up.
+ */
+ int (*remove_stale_groups)(void *ctx, const u8 *peer, const u8 *go,
+ const u8 *ssid, size_t ssid_len);
+
+ /**
+ * p2ps_prov_complete - P2PS provisioning complete
+ *
+ * When P2PS provisioning completes (successfully or not) we must
+ * transmit all of the results to the upper layers.
+ */
+ void (*p2ps_prov_complete)(void *ctx, u8 status, const u8 *dev,
+ const u8 *adv_mac, const u8 *ses_mac,
+ const u8 *grp_mac, u32 adv_id, u32 ses_id,
+ u8 conncap, int passwd_id,
+ const u8 *persist_ssid,
+ size_t persist_ssid_size, int response_done,
+ int prov_start, const char *session_info,
+ const u8 *feat_cap, size_t feat_cap_len);
+
+ /**
+ * prov_disc_resp_cb - Callback for indicating completion of PD Response
+ * @ctx: Callback context from cb_ctx
+ * Returns: 1 if operation was started, 0 otherwise
+ *
+ * This callback can be used to perform any pending actions after
+ * provisioning. It is mainly used for P2PS pending group creation.
+ */
+ int (*prov_disc_resp_cb)(void *ctx);
+
+ /**
+ * p2ps_group_capability - Determine group capability
+ *
+ * This function can be used to determine group capability based on
+ * information from P2PS PD exchange and the current state of ongoing
+ * groups and driver capabilities.
+ *
+ * P2PS_SETUP_* bitmap is used as the parameters and return value.
+ */
+ u8 (*p2ps_group_capability)(void *ctx, u8 incoming, u8 role);
+
+ /**
+ * get_pref_freq_list - Get preferred frequency list for an interface
+ * @ctx: Callback context from cb_ctx
+ * @go: Whether the use if for GO role
+ * @len: Length of freq_list in entries (both IN and OUT)
+ * @freq_list: Buffer for returning the preferred frequencies (MHz)
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function can be used to query the preferred frequency list from
+ * the driver specific to a particular interface type.
+ */
+ int (*get_pref_freq_list)(void *ctx, int go,
+ unsigned int *len, unsigned int *freq_list);
};
void p2p_flush(struct p2p_data *p2p);
/**
+ * p2p_unauthorize - Unauthorize the specified peer device
+ * @p2p: P2P module context from p2p_init()
+ * @addr: P2P peer entry to be unauthorized
+ * Returns: 0 on success, -1 on failure
+ *
+ * This command removes any connection authorization from the specified P2P
+ * peer device address. This can be used, e.g., to cancel effect of a previous
+ * p2p_authorize() or p2p_connect() call that has not yet resulted in completed
+ * GO Negotiation.
+ */
+int p2p_unauthorize(struct p2p_data *p2p, const u8 *addr);
+
+/**
* p2p_set_dev_name - Set device name
* @p2p: P2P module context from p2p_init()
* Returns: 0 on success, -1 on failure
*/
int p2p_set_dev_name(struct p2p_data *p2p, const char *dev_name);
+int p2p_set_manufacturer(struct p2p_data *p2p, const char *manufacturer);
+int p2p_set_model_name(struct p2p_data *p2p, const char *model_name);
+int p2p_set_model_number(struct p2p_data *p2p, const char *model_number);
+int p2p_set_serial_number(struct p2p_data *p2p, const char *serial_number);
+
+void p2p_set_config_methods(struct p2p_data *p2p, u16 config_methods);
+void p2p_set_uuid(struct p2p_data *p2p, const u8 *uuid);
+
/**
* p2p_set_pri_dev_type - Set primary device type
* @p2p: P2P module context from p2p_init()
* @p2p: P2P module context from p2p_init()
* @timeout: Timeout for find operation in seconds or 0 for no timeout
* @type: Device Discovery type
+ * @num_req_dev_types: Number of requested device types
+ * @req_dev_types: Requested device types array, must be an array
+ * containing num_req_dev_types * WPS_DEV_TYPE_LEN bytes; %NULL if no
+ * requested device types.
+ * @dev_id: Device ID to search for or %NULL to find all devices
+ * @search_delay: Extra delay in milliseconds between search iterations
+ * @seek_count: Number of ASP Service Strings in the seek_string array
+ * @seek_string: ASP Service Strings to query for in Probe Requests
+ * @freq: Requested first scan frequency (in MHz) to modify type ==
+ * P2P_FIND_START_WITH_FULL behavior. 0 = Use normal full scan.
+ * If p2p_find is already in progress, this parameter is ignored and full
+ * scan will be executed.
* Returns: 0 on success, -1 on failure
*/
int p2p_find(struct p2p_data *p2p, unsigned int timeout,
- enum p2p_discovery_type type);
+ enum p2p_discovery_type type,
+ unsigned int num_req_dev_types, const u8 *req_dev_types,
+ const u8 *dev_id, unsigned int search_delay,
+ u8 seek_count, const char **seek_string, int freq);
+
+/**
+ * p2p_notify_scan_trigger_status - Indicate scan trigger status
+ * @p2p: P2P module context from p2p_init()
+ * @status: 0 on success, -1 on failure
+ */
+void p2p_notify_scan_trigger_status(struct p2p_data *p2p, int status);
/**
* p2p_stop_find - Stop P2P Find (Device Discovery)
void p2p_stop_find(struct p2p_data *p2p);
/**
+ * p2p_stop_find_for_freq - Stop P2P Find for next oper on specific freq
+ * @p2p: P2P module context from p2p_init()
+ * @freq: Frequency in MHz for next operation
+ *
+ * This is like p2p_stop_find(), but Listen state is not stopped if we are
+ * already on the same frequency.
+ */
+void p2p_stop_find_for_freq(struct p2p_data *p2p, int freq);
+
+/**
* p2p_listen - Start P2P Listen state for specified duration
* @p2p: P2P module context from p2p_init()
* @timeout: Listen state duration in milliseconds
int p2p_listen(struct p2p_data *p2p, unsigned int timeout);
/**
+ * p2p_stop_listen - Stop P2P Listen
+ * @p2p: P2P module context from p2p_init()
+ */
+void p2p_stop_listen(struct p2p_data *p2p);
+
+/**
* p2p_connect - Start P2P group formation (GO negotiation)
* @p2p: P2P module context from p2p_init()
* @peer_addr: MAC address of the peer P2P client
* @go_intent: Local GO intent value (1..15)
* @own_interface_addr: Intended interface address to use with the group
* @force_freq: The only allowed channel frequency in MHz or 0
- * @persistent_group: Whether to create a persistent group
+ * @persistent_group: Whether to create a persistent group (0 = no, 1 =
+ * persistent group without persistent reconnect, 2 = persistent group with
+ * persistent reconnect)
+ * @force_ssid: Forced SSID for the group if we become GO or %NULL to generate
+ * a new SSID
+ * @force_ssid_len: Length of $force_ssid buffer
+ * @pd_before_go_neg: Whether to send Provision Discovery prior to GO
+ * Negotiation as an interoperability workaround when initiating group
+ * formation
+ * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if
+ * force_freq == 0)
* Returns: 0 on success, -1 on failure
*/
int p2p_connect(struct p2p_data *p2p, const u8 *peer_addr,
enum p2p_wps_method wps_method,
int go_intent, const u8 *own_interface_addr,
- unsigned int force_freq, int persistent_group);
+ unsigned int force_freq, int persistent_group,
+ const u8 *force_ssid, size_t force_ssid_len,
+ int pd_before_go_neg, unsigned int pref_freq, u16 oob_pw_id);
/**
* p2p_authorize - Authorize P2P group formation (GO negotiation)
* @go_intent: Local GO intent value (1..15)
* @own_interface_addr: Intended interface address to use with the group
* @force_freq: The only allowed channel frequency in MHz or 0
- * @persistent_group: Whether to create a persistent group
+ * @persistent_group: Whether to create a persistent group (0 = no, 1 =
+ * persistent group without persistent reconnect, 2 = persistent group with
+ * persistent reconnect)
+ * @force_ssid: Forced SSID for the group if we become GO or %NULL to generate
+ * a new SSID
+ * @force_ssid_len: Length of $force_ssid buffer
+ * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if
+ * force_freq == 0)
* Returns: 0 on success, -1 on failure
*
* This is like p2p_connect(), but the actual group negotiation is not
int p2p_authorize(struct p2p_data *p2p, const u8 *peer_addr,
enum p2p_wps_method wps_method,
int go_intent, const u8 *own_interface_addr,
- unsigned int force_freq, int persistent_group);
+ unsigned int force_freq, int persistent_group,
+ const u8 *force_ssid, size_t force_ssid_len,
+ unsigned int pref_freq, u16 oob_pw_id);
/**
* p2p_reject - Reject peer device (explicitly block connection attempts)
* p2p_prov_disc_req - Send Provision Discovery Request
* @p2p: P2P module context from p2p_init()
* @peer_addr: MAC address of the peer P2P client
+ * @p2ps_prov: Provisioning info for P2PS
* @config_methods: WPS Config Methods value (only one bit set)
* @join: Whether this is used by a client joining an active group
+ * @force_freq: Forced TX frequency for the frame (mainly for the join case)
+ * @user_initiated_pd: Flag to indicate if initiated by user or not
* Returns: 0 on success, -1 on failure
*
* This function can be used to request a discovered P2P peer to display a PIN
* indicated with the p2p_config::prov_disc_resp() callback.
*/
int p2p_prov_disc_req(struct p2p_data *p2p, const u8 *peer_addr,
- u16 config_methods, int join);
+ struct p2ps_provision *p2ps_prov, u16 config_methods,
+ int join, int force_freq,
+ int user_initiated_pd);
/**
* p2p_sd_request - Schedule a service discovery query
void * p2p_sd_request(struct p2p_data *p2p, const u8 *dst,
const struct wpabuf *tlvs);
+#ifdef CONFIG_WIFI_DISPLAY
+void * p2p_sd_request_wfd(struct p2p_data *p2p, const u8 *dst,
+ const struct wpabuf *tlvs);
+#endif /* CONFIG_WIFI_DISPLAY */
+
/**
* p2p_sd_cancel_request - Cancel a pending service discovery query
* @p2p: P2P module context from p2p_init()
* @force_freq: The only allowed channel frequency in MHz or 0
* @go_dev_addr: Forced GO Device Address or %NULL if none
* @persistent_group: Whether this is to reinvoke a persistent group
+ * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if
+ * force_freq == 0)
+ * @dev_pw_id: Device Password ID from OOB Device Password (NFC) static handover
+ * case or -1 if not used
* Returns: 0 on success, -1 on failure
*/
int p2p_invite(struct p2p_data *p2p, const u8 *peer, enum p2p_invite_role role,
const u8 *bssid, const u8 *ssid, size_t ssid_len,
unsigned int force_freq, const u8 *go_dev_addr,
- int persistent_group);
+ int persistent_group, unsigned int pref_freq, int dev_pw_id);
/**
* p2p_presence_req - Request GO presence
*/
void p2p_group_formation_failed(struct p2p_data *p2p);
+/**
+ * p2p_get_provisioning_info - Get any stored provisioning info
+ * @p2p: P2P module context from p2p_init()
+ * @addr: Peer P2P Device Address
+ * Returns: WPS provisioning information (WPS config method) or 0 if no
+ * information is available
+ *
+ * This function is used to retrieve stored WPS provisioning info for the given
+ * peer.
+ */
+u16 p2p_get_provisioning_info(struct p2p_data *p2p, const u8 *addr);
+
+/**
+ * p2p_clear_provisioning_info - Clear any stored provisioning info
+ * @p2p: P2P module context from p2p_init()
+ * @iface_addr: Peer P2P Device Address
+ *
+ * This function is used to clear stored WPS provisioning info for the given
+ * peer.
+ */
+void p2p_clear_provisioning_info(struct p2p_data *p2p, const u8 *addr);
+
/* Event notifications from lower layer driver operations */
/**
+ * enum p2p_probe_req_status
+ *
+ * @P2P_PREQ_MALFORMED: frame was not well-formed
+ * @P2P_PREQ_NOT_LISTEN: device isn't in listen state, frame ignored
+ * @P2P_PREQ_NOT_P2P: frame was not a P2P probe request
+ * @P2P_PREQ_P2P_NOT_PROCESSED: frame was P2P but wasn't processed
+ * @P2P_PREQ_P2P_PROCESSED: frame has been processed by P2P
+ */
+enum p2p_probe_req_status {
+ P2P_PREQ_MALFORMED,
+ P2P_PREQ_NOT_LISTEN,
+ P2P_PREQ_NOT_P2P,
+ P2P_PREQ_NOT_PROCESSED,
+ P2P_PREQ_PROCESSED
+};
+
+/**
* p2p_probe_req_rx - Report reception of a Probe Request frame
* @p2p: P2P module context from p2p_init()
* @addr: Source MAC address
+ * @dst: Destination MAC address if available or %NULL
+ * @bssid: BSSID if available or %NULL
* @ie: Information elements from the Probe Request frame body
* @ie_len: Length of ie buffer in octets
- * Returns: 0 to indicate the frame was not processed or 1 if it was
+ * @rx_freq: Probe Request frame RX frequency
+ * Returns: value indicating the type and status of the probe request
*/
-int p2p_probe_req_rx(struct p2p_data *p2p, const u8 *addr, const u8 *ie,
- size_t ie_len);
+enum p2p_probe_req_status
+p2p_probe_req_rx(struct p2p_data *p2p, const u8 *addr, const u8 *dst,
+ const u8 *bssid, const u8 *ie, size_t ie_len,
+ unsigned int rx_freq);
/**
* p2p_rx_action - Report received Action frame
* @p2p: P2P module context from p2p_init()
* @bssid: BSSID of the scan result
* @freq: Frequency of the channel on which the device was found in MHz
+ * @rx_time: Time when the result was received
* @level: Signal level (signal strength of the received Beacon/Probe Response
* frame)
* @ies: Pointer to IEs from the scan result
* start of a pending operation, e.g., to start a pending GO negotiation.
*/
int p2p_scan_res_handler(struct p2p_data *p2p, const u8 *bssid, int freq,
- int level, const u8 *ies, size_t ies_len);
+ struct os_reltime *rx_time, int level, const u8 *ies,
+ size_t ies_len);
/**
* p2p_scan_res_handled - Indicate end of scan results
*/
void p2p_scan_res_handled(struct p2p_data *p2p);
+enum p2p_send_action_result {
+ P2P_SEND_ACTION_SUCCESS /* Frame was send and acknowledged */,
+ P2P_SEND_ACTION_NO_ACK /* Frame was sent, but not acknowledged */,
+ P2P_SEND_ACTION_FAILED /* Frame was not sent due to a failure */
+};
+
/**
* p2p_send_action_cb - Notify TX status of an Action frame
* @p2p: P2P module context from p2p_init()
* @dst: Destination MAC address (Address 1)
* @src: Source MAC address (Address 2)
* @bssid: BSSID (Address 3)
- * @success: Whether the transmission succeeded
+ * @result: Result of the transmission attempt
*
* This function is used to indicate the result of an Action frame transmission
* that was requested with struct p2p_config::send_action() callback.
*/
void p2p_send_action_cb(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
- const u8 *src, const u8 *bssid, int success);
+ const u8 *src, const u8 *bssid,
+ enum p2p_send_action_result result);
/**
* p2p_listen_cb - Indicate the start of a requested Listen state
struct p2p_group_config {
/**
* persistent_group - Whether the group is persistent
+ * 0 = not a persistent group
+ * 1 = persistent group without persistent reconnect
+ * 2 = persistent group with persistent reconnect
*/
int persistent_group;
u8 interface_addr[ETH_ALEN];
/**
+ * max_clients - Maximum number of clients in the group
+ */
+ unsigned int max_clients;
+
+ /**
+ * ssid - Group SSID
+ */
+ u8 ssid[SSID_MAX_LEN];
+
+ /**
+ * ssid_len - Length of SSID
+ */
+ size_t ssid_len;
+
+ /**
+ * freq - Operating channel of the group
+ */
+ int freq;
+
+ /**
* cb_ctx - Context to use with callback functions
*/
void *cb_ctx;
*/
void (*ie_update)(void *ctx, struct wpabuf *beacon_ies,
struct wpabuf *proberesp_ies);
+
+ /**
+ * idle_update - Notification of changes in group idle state
+ * @ctx: Callback context from cb_ctx
+ * @idle: Whether the group is idle (no associated stations)
+ */
+ void (*idle_update)(void *ctx, int idle);
};
/**
int p2p_group_match_dev_type(struct p2p_group *group, struct wpabuf *wps);
/**
+ * p2p_group_match_dev_id - Match P2P Device Address in group with requested device id
+ */
+int p2p_group_match_dev_id(struct p2p_group *group, struct wpabuf *p2p);
+
+/**
* p2p_group_go_discover - Send GO Discoverability Request to a group client
* @group: P2P group context from p2p_group_init()
* Returns: 0 on success (frame scheduled); -1 if client was not found
int p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf, char *end);
/**
+ * p2p_parse_dev_addr_in_p2p_ie - Parse P2P Device Address from a concatenated
+ * P2P IE
+ * @p2p_ie: P2P IE
+ * @dev_addr: Buffer for returning P2P Device Address
+ * Returns: 0 on success or -1 if P2P Device Address could not be parsed
+ */
+int p2p_parse_dev_addr_in_p2p_ie(struct wpabuf *p2p_ie, u8 *dev_addr);
+
+/**
+ * p2p_parse_dev_addr - Parse P2P Device Address from P2P IE(s)
+ * @ies: Information elements from scan results
+ * @ies_len: ies buffer length in octets
+ * @dev_addr: Buffer for returning P2P Device Address
+ * Returns: 0 on success or -1 if P2P Device Address could not be parsed
+ */
+int p2p_parse_dev_addr(const u8 *ies, size_t ies_len, u8 *dev_addr);
+
+/**
* p2p_assoc_req_ie - Build P2P IE for (Re)Association Request frame
* @p2p: P2P module context from p2p_init()
* @bssid: BSSID
* p2p_scan_ie - Build P2P IE for Probe Request
* @p2p: P2P module context from p2p_init()
* @ies: Buffer for writing P2P IE
+ * @dev_id: Device ID to search for or %NULL for any
*/
-void p2p_scan_ie(struct p2p_data *p2p, struct wpabuf *ies);
+void p2p_scan_ie(struct p2p_data *p2p, struct wpabuf *ies, const u8 *dev_id);
+
+/**
+ * p2p_scan_ie_buf_len - Get maximum buffer length needed for p2p_scan_ie
+ * @p2p: P2P module context from p2p_init()
+ * Returns: Number of octets that p2p_scan_ie() may add to the buffer
+ */
+size_t p2p_scan_ie_buf_len(struct p2p_data *p2p);
/**
* p2p_go_params - Generate random P2P group parameters
const u8 * p2p_get_go_dev_addr(const struct wpabuf *p2p_ie);
/**
- * p2p_get_peer_info - Get P2P peer information in text format
+ * p2p_get_peer_info - Get P2P peer information
* @p2p: P2P module context from p2p_init()
* @addr: P2P Device Address of the peer or %NULL to indicate the first peer
* @next: Whether to select the peer entry following the one indicated by addr
+ * Returns: Pointer to peer info or %NULL if not found
+ */
+const struct p2p_peer_info * p2p_get_peer_info(struct p2p_data *p2p,
+ const u8 *addr, int next);
+
+/**
+ * p2p_get_peer_info_txt - Get internal P2P peer information in text format
+ * @info: Pointer to P2P peer info from p2p_get_peer_info()
* @buf: Buffer for returning text
* @buflen: Maximum buffer length
* Returns: Number of octets written to the buffer or -1 on failure
+ *
+ * Note: This information is internal to the P2P module and subject to change.
+ * As such, this should not really be used by external programs for purposes
+ * other than debugging.
*/
-int p2p_get_peer_info(struct p2p_data *p2p, const u8 *addr, int next,
- char *buf, size_t buflen);
+int p2p_get_peer_info_txt(const struct p2p_peer_info *info,
+ char *buf, size_t buflen);
+
+/**
+ * p2p_peer_known - Check whether P2P peer is known
+ * @p2p: P2P module context from p2p_init()
+ * @addr: P2P Device Address of the peer
+ * Returns: 1 if the specified device is in the P2P peer table or 0 if not
+ */
+int p2p_peer_known(struct p2p_data *p2p, const u8 *addr);
/**
* p2p_set_client_discoverability - Set client discoverability capability
void p2p_set_client_discoverability(struct p2p_data *p2p, int enabled);
/**
- * p2p_set_manageD_oper - Set managed P2P Device operations capability
+ * p2p_set_managed_oper - Set managed P2P Device operations capability
* @p2p: P2P module context from p2p_init()
* @enabled: Whether managed P2P Device operations will be enabled
*/
void p2p_set_managed_oper(struct p2p_data *p2p, int enabled);
-int p2p_set_listen_channel(struct p2p_data *p2p, u8 reg_class, u8 channel);
+/**
+ * p2p_config_get_random_social - Return a random social channel
+ * @p2p: P2P config
+ * @op_class: Selected operating class
+ * @op_channel: Selected social channel
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is used before p2p_init is called. A random social channel
+ * from supports bands 2.4 GHz (channels 1,6,11) and 60 GHz (channel 2) is
+ * returned on success.
+ */
+int p2p_config_get_random_social(struct p2p_config *p2p, u8 *op_class,
+ u8 *op_channel);
+
+int p2p_set_listen_channel(struct p2p_data *p2p, u8 reg_class, u8 channel,
+ u8 forced);
+
+u8 p2p_get_listen_channel(struct p2p_data *p2p);
int p2p_set_ssid_postfix(struct p2p_data *p2p, const u8 *postfix, size_t len);
int p2p_get_oper_freq(struct p2p_data *p2p, const u8 *iface_addr);
-int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, int level,
- const u8 *ies, size_t ies_len);
-
/**
* p2p_set_intra_bss_dist - Set intra BSS distribution
* @p2p: P2P module context from p2p_init()
*/
void p2p_set_intra_bss_dist(struct p2p_data *p2p, int enabled);
+int p2p_channels_includes_freq(const struct p2p_channels *channels,
+ unsigned int freq);
+
+int p2p_channels_to_freqs(const struct p2p_channels *channels,
+ int *freq_list, unsigned int max_len);
+
/**
* p2p_supported_freq - Check whether channel is supported for P2P
* @p2p: P2P module context from p2p_init()
*/
int p2p_supported_freq(struct p2p_data *p2p, unsigned int freq);
-void p2p_update_channel_list(struct p2p_data *p2p, struct p2p_channels *chan);
+/**
+ * p2p_supported_freq_go - Check whether channel is supported for P2P GO operation
+ * @p2p: P2P module context from p2p_init()
+ * @freq: Channel frequency in MHz
+ * Returns: 0 if channel not usable for P2P, 1 if usable for P2P
+ */
+int p2p_supported_freq_go(struct p2p_data *p2p, unsigned int freq);
+
+/**
+ * p2p_supported_freq_cli - Check whether channel is supported for P2P client operation
+ * @p2p: P2P module context from p2p_init()
+ * @freq: Channel frequency in MHz
+ * Returns: 0 if channel not usable for P2P, 1 if usable for P2P
+ */
+int p2p_supported_freq_cli(struct p2p_data *p2p, unsigned int freq);
+
+/**
+ * p2p_get_pref_freq - Get channel from preferred channel list
+ * @p2p: P2P module context from p2p_init()
+ * @channels: List of channels
+ * Returns: Preferred channel
+ */
+unsigned int p2p_get_pref_freq(struct p2p_data *p2p,
+ const struct p2p_channels *channels);
+
+void p2p_update_channel_list(struct p2p_data *p2p,
+ const struct p2p_channels *chan,
+ const struct p2p_channels *cli_chan);
+
+/**
+ * p2p_set_best_channels - Update best channel information
+ * @p2p: P2P module context from p2p_init()
+ * @freq_24: Frequency (MHz) of best channel in 2.4 GHz band
+ * @freq_5: Frequency (MHz) of best channel in 5 GHz band
+ * @freq_overall: Frequency (MHz) of best channel overall
+ */
+void p2p_set_best_channels(struct p2p_data *p2p, int freq_24, int freq_5,
+ int freq_overall);
+
+/**
+ * p2p_set_own_freq_preference - Set own preference for channel
+ * @p2p: P2P module context from p2p_init()
+ * @freq: Frequency (MHz) of the preferred channel or 0 if no preference
+ *
+ * This function can be used to set a preference on the operating channel based
+ * on frequencies used on the other virtual interfaces that share the same
+ * radio. If non-zero, this is used to try to avoid multi-channel concurrency.
+ */
+void p2p_set_own_freq_preference(struct p2p_data *p2p, int freq);
+
+const u8 * p2p_get_go_neg_peer(struct p2p_data *p2p);
+
+/**
+ * p2p_get_group_num_members - Get number of members in group
+ * @group: P2P group context from p2p_group_init()
+ * Returns: Number of members in the group
+ */
+unsigned int p2p_get_group_num_members(struct p2p_group *group);
+
+/**
+ * p2p_client_limit_reached - Check if client limit is reached
+ * @group: P2P group context from p2p_group_init()
+ * Returns: 1 if no of clients limit reached
+ */
+int p2p_client_limit_reached(struct p2p_group *group);
+
+/**
+ * p2p_iterate_group_members - Iterate group members
+ * @group: P2P group context from p2p_group_init()
+ * @next: iteration pointer, must be a pointer to a void * that is set to %NULL
+ * on the first call and not modified later
+ * Returns: A P2P Device Address for each call and %NULL for no more members
+ */
+const u8 * p2p_iterate_group_members(struct p2p_group *group, void **next);
+
+/**
+ * p2p_group_get_dev_addr - Get a P2P Device Address of a client in a group
+ * @group: P2P group context from p2p_group_init()
+ * @addr: P2P Interface Address of the client
+ * Returns: P2P Device Address of the client if found or %NULL if no match
+ * found
+ */
+const u8 * p2p_group_get_dev_addr(struct p2p_group *group, const u8 *addr);
+
+/**
+ * p2p_group_is_client_connected - Check whether a specific client is connected
+ * @group: P2P group context from p2p_group_init()
+ * @addr: P2P Device Address of the client
+ * Returns: 1 if client is connected or 0 if not
+ */
+int p2p_group_is_client_connected(struct p2p_group *group, const u8 *dev_addr);
+
+/**
+ * p2p_group_get_config - Get the group configuration
+ * @group: P2P group context from p2p_group_init()
+ * Returns: The group configuration pointer
+ */
+const struct p2p_group_config * p2p_group_get_config(struct p2p_group *group);
+
+/**
+ * p2p_loop_on_all_groups - Run the given callback on all groups
+ * @p2p: P2P module context from p2p_init()
+ * @group_callback: The callback function pointer
+ * @user_data: Some user data pointer which can be %NULL
+ *
+ * The group_callback function can stop the iteration by returning 0.
+ */
+void p2p_loop_on_all_groups(struct p2p_data *p2p,
+ int (*group_callback)(struct p2p_group *group,
+ void *user_data),
+ void *user_data);
+
+/**
+ * p2p_get_peer_found - Get P2P peer info structure of a found peer
+ * @p2p: P2P module context from p2p_init()
+ * @addr: P2P Device Address of the peer or %NULL to indicate the first peer
+ * @next: Whether to select the peer entry following the one indicated by addr
+ * Returns: The first P2P peer info available or %NULL if no such peer exists
+ */
+const struct p2p_peer_info *
+p2p_get_peer_found(struct p2p_data *p2p, const u8 *addr, int next);
+
+/**
+ * p2p_remove_wps_vendor_extensions - Remove WPS vendor extensions
+ * @p2p: P2P module context from p2p_init()
+ */
+void p2p_remove_wps_vendor_extensions(struct p2p_data *p2p);
+
+/**
+ * p2p_add_wps_vendor_extension - Add a WPS vendor extension
+ * @p2p: P2P module context from p2p_init()
+ * @vendor_ext: The vendor extensions to add
+ * Returns: 0 on success, -1 on failure
+ *
+ * The wpabuf structures in the array are owned by the P2P
+ * module after this call.
+ */
+int p2p_add_wps_vendor_extension(struct p2p_data *p2p,
+ const struct wpabuf *vendor_ext);
+
+/**
+ * p2p_set_oper_channel - Set the P2P operating channel
+ * @p2p: P2P module context from p2p_init()
+ * @op_reg_class: Operating regulatory class to set
+ * @op_channel: operating channel to set
+ * @cfg_op_channel : Whether op_channel is hardcoded in configuration
+ * Returns: 0 on success, -1 on failure
+ */
+int p2p_set_oper_channel(struct p2p_data *p2p, u8 op_reg_class, u8 op_channel,
+ int cfg_op_channel);
+
+/**
+ * p2p_set_pref_chan - Set P2P preferred channel list
+ * @p2p: P2P module context from p2p_init()
+ * @num_pref_chan: Number of entries in pref_chan list
+ * @pref_chan: Preferred channels or %NULL to remove preferences
+ * Returns: 0 on success, -1 on failure
+ */
+int p2p_set_pref_chan(struct p2p_data *p2p, unsigned int num_pref_chan,
+ const struct p2p_channel *pref_chan);
+
+/**
+ * p2p_set_no_go_freq - Set no GO channel ranges
+ * @p2p: P2P module context from p2p_init()
+ * @list: Channel ranges or %NULL to remove restriction
+ * Returns: 0 on success, -1 on failure
+ */
+int p2p_set_no_go_freq(struct p2p_data *p2p,
+ const struct wpa_freq_range_list *list);
+
+/**
+ * p2p_in_progress - Check whether a P2P operation is progress
+ * @p2p: P2P module context from p2p_init()
+ * Returns: 0 if P2P module is idle, 1 if an operation is in progress but not
+ * in search state, or 2 if search state operation is in progress
+ */
+int p2p_in_progress(struct p2p_data *p2p);
+
+const char * p2p_wps_method_text(enum p2p_wps_method method);
+
+/**
+ * p2p_set_config_timeout - Set local config timeouts
+ * @p2p: P2P module context from p2p_init()
+ * @go_timeout: Time in 10 ms units it takes to start the GO mode
+ * @client_timeout: Time in 10 ms units it takes to start the client mode
+ */
+void p2p_set_config_timeout(struct p2p_data *p2p, u8 go_timeout,
+ u8 client_timeout);
+
+int p2p_set_wfd_ie_beacon(struct p2p_data *p2p, struct wpabuf *ie);
+int p2p_set_wfd_ie_probe_req(struct p2p_data *p2p, struct wpabuf *ie);
+int p2p_set_wfd_ie_probe_resp(struct p2p_data *p2p, struct wpabuf *ie);
+int p2p_set_wfd_ie_assoc_req(struct p2p_data *p2p, struct wpabuf *ie);
+int p2p_set_wfd_ie_invitation(struct p2p_data *p2p, struct wpabuf *ie);
+int p2p_set_wfd_ie_prov_disc_req(struct p2p_data *p2p, struct wpabuf *ie);
+int p2p_set_wfd_ie_prov_disc_resp(struct p2p_data *p2p, struct wpabuf *ie);
+int p2p_set_wfd_ie_go_neg(struct p2p_data *p2p, struct wpabuf *ie);
+int p2p_set_wfd_dev_info(struct p2p_data *p2p, const struct wpabuf *elem);
+int p2p_set_wfd_assoc_bssid(struct p2p_data *p2p, const struct wpabuf *elem);
+int p2p_set_wfd_coupled_sink_info(struct p2p_data *p2p,
+ const struct wpabuf *elem);
+struct wpabuf * wifi_display_encaps(struct wpabuf *subelems);
+
+/**
+ * p2p_set_disc_int - Set min/max discoverable interval for p2p_find
+ * @p2p: P2P module context from p2p_init()
+ * @min_disc_int: minDiscoverableInterval (in units of 100 TU); default 1
+ * @max_disc_int: maxDiscoverableInterval (in units of 100 TU); default 3
+ * @max_disc_tu: Maximum number of TUs (1.024 ms) for discoverable interval; or
+ * -1 not to limit
+ * Returns: 0 on success, or -1 on failure
+ *
+ * This function can be used to configure minDiscoverableInterval and
+ * maxDiscoverableInterval parameters for the Listen state during device
+ * discovery (p2p_find). A random number of 100 TU units is picked for each
+ * Listen state iteration from [min_disc_int,max_disc_int] range.
+ *
+ * max_disc_tu can be used to futher limit the discoverable duration. However,
+ * it should be noted that use of this parameter is not recommended since it
+ * would not be compliant with the P2P specification.
+ */
+int p2p_set_disc_int(struct p2p_data *p2p, int min_disc_int, int max_disc_int,
+ int max_disc_tu);
+
+/**
+ * p2p_get_state_txt - Get current P2P state for debug purposes
+ * @p2p: P2P module context from p2p_init()
+ * Returns: Name of the current P2P module state
+ *
+ * It should be noted that the P2P module state names are internal information
+ * and subject to change at any point, i.e., this information should be used
+ * mainly for debugging purposes.
+ */
+const char * p2p_get_state_txt(struct p2p_data *p2p);
+
+struct wpabuf * p2p_build_nfc_handover_req(struct p2p_data *p2p,
+ int client_freq,
+ const u8 *go_dev_addr,
+ const u8 *ssid, size_t ssid_len);
+struct wpabuf * p2p_build_nfc_handover_sel(struct p2p_data *p2p,
+ int client_freq,
+ const u8 *go_dev_addr,
+ const u8 *ssid, size_t ssid_len);
+
+struct p2p_nfc_params {
+ int sel;
+ const u8 *wsc_attr;
+ size_t wsc_len;
+ const u8 *p2p_attr;
+ size_t p2p_len;
+
+ enum {
+ NO_ACTION, JOIN_GROUP, AUTH_JOIN, INIT_GO_NEG, RESP_GO_NEG,
+ BOTH_GO, PEER_CLIENT
+ } next_step;
+ struct p2p_peer_info *peer;
+ u8 oob_dev_pw[WPS_OOB_PUBKEY_HASH_LEN + 2 +
+ WPS_OOB_DEVICE_PASSWORD_LEN];
+ size_t oob_dev_pw_len;
+ int go_freq;
+ u8 go_dev_addr[ETH_ALEN];
+ u8 go_ssid[SSID_MAX_LEN];
+ size_t go_ssid_len;
+};
+
+int p2p_process_nfc_connection_handover(struct p2p_data *p2p,
+ struct p2p_nfc_params *params);
+
+void p2p_set_authorized_oob_dev_pw_id(struct p2p_data *p2p, u16 dev_pw_id,
+ int go_intent,
+ const u8 *own_interface_addr);
+
+int p2p_set_passphrase_len(struct p2p_data *p2p, unsigned int len);
+
+void p2p_loop_on_known_peers(struct p2p_data *p2p,
+ void (*peer_callback)(struct p2p_peer_info *peer,
+ void *user_data),
+ void *user_data);
+
+void p2p_set_vendor_elems(struct p2p_data *p2p, struct wpabuf **vendor_elem);
+
+void p2p_set_intended_addr(struct p2p_data *p2p, const u8 *intended_addr);
+
+struct p2ps_advertisement *
+p2p_service_p2ps_id(struct p2p_data *p2p, u32 adv_id);
+int p2p_service_add_asp(struct p2p_data *p2p, int auto_accept, u32 adv_id,
+ const char *adv_str, u8 svc_state,
+ u16 config_methods, const char *svc_info,
+ const u8 *cpt_priority);
+int p2p_service_del_asp(struct p2p_data *p2p, u32 adv_id);
+void p2p_service_flush_asp(struct p2p_data *p2p);
+struct p2ps_advertisement * p2p_get_p2ps_adv_list(struct p2p_data *p2p);
+
+/**
+ * p2p_expire_peers - Periodic cleanup function to expire peers
+ * @p2p: P2P module context from p2p_init()
+ *
+ * This is a cleanup function that the entity calling p2p_init() is
+ * expected to call periodically to clean up expired peer entries.
+ */
+void p2p_expire_peers(struct p2p_data *p2p);
+
+void p2p_set_own_pref_freq_list(struct p2p_data *p2p,
+ const unsigned int *pref_freq_list,
+ unsigned int size);
+
+/**
+ * p2p_group_get_common_freqs - Get the group common frequencies
+ * @group: P2P group context from p2p_group_init()
+ * @common_freqs: On return will hold the group common frequencies
+ * @num: On return will hold the number of group common frequencies
+ * Returns: 0 on success, -1 otherwise
+ */
+int p2p_group_get_common_freqs(struct p2p_group *group, int *common_freqs,
+ unsigned int *num);
#endif /* P2P_H */
projects / mech_eap.git / blobdiff