#ifndef P2P_H
#define P2P_H
-#include "wps/wps_defs.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
*/
-#define P2P_MAX_REG_CLASSES 10
+#define P2P_MAX_REG_CLASSES 15
/**
* P2P_MAX_REG_CLASS_CHANNELS - Maximum number of channels per regulatory class
};
enum p2p_wps_method {
- WPS_NOT_READY, WPS_PIN_DISPLAY, WPS_PIN_KEYPAD, WPS_PBC, WPS_NFC
+ WPS_NOT_READY, WPS_PIN_DISPLAY, WPS_PIN_KEYPAD, WPS_PBC, WPS_NFC,
+ WPS_P2PS
};
/**
int vht;
+ u8 max_oper_chwidth;
+
+ unsigned int vht_center_freq2;
+
/**
* ssid - SSID of the group
*/
- u8 ssid[32];
+ u8 ssid[SSID_MAX_LEN];
/**
* ssid_len - Length of SSID in octets
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];
+
+ /**
+ * force_freq - The only allowed channel frequency in MHz or 0.
+ */
+ unsigned int force_freq;
+
+ /**
+ * pref_freq - Preferred operating frequency in MHz or 0.
+ */
+ unsigned int pref_freq;
+
+ /**
+ * 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,
P2P_SCAN_FULL,
+ P2P_SCAN_SPECIFIC,
P2P_SCAN_SOCIAL_PLUS_ONE
};
/**
* device_name - Device Name (0..32 octets encoded in UTF-8)
*/
- char device_name[33];
+ char device_name[WPS_DEV_NAME_MAX_LEN + 1];
/**
* manufacturer - Manufacturer (0..64 octets encoded in UTF-8)
*/
- char manufacturer[65];
+ char manufacturer[WPS_MANUFACTURER_MAX_LEN + 1];
/**
* model_name - Model Name (0..32 octets encoded in UTF-8)
*/
- char model_name[33];
+ char model_name[WPS_MODEL_NAME_MAX_LEN + 1];
/**
* model_number - Model Number (0..32 octets encoded in UTF-8)
*/
- char model_number[33];
+ char model_number[WPS_MODEL_NUMBER_MAX_LEN + 1];
/**
* serial_number - Serial Number (0..32 octets encoded in UTF-8)
*/
- char serial_number[33];
+ char serial_number[WPS_SERIAL_NUMBER_MAX_LEN + 1];
/**
* level - Signal level
* 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[128];
+ u8 wps_sec_dev_type_list[WPS_SEC_DEV_TYPE_MAX_LEN];
/**
* wps_sec_dev_type_list_len - Length of secondary device type list
* 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_TIMEOUT,
P2P_PROV_DISC_REJECTED,
P2P_PROV_DISC_TIMEOUT_JOIN,
+ P2P_PROV_DISC_INFO_UNAVAILABLE,
};
struct p2p_channel {
* 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
* operation to be completed. Type type argument specifies which type
* of scan is to be done. @P2P_SCAN_SOCIAL indicates that only the
* social channels (1, 6, 11) should be scanned. @P2P_SCAN_FULL
- * indicates that all channels are to be scanned.
+ * indicates that all channels are to be scanned. @P2P_SCAN_SPECIFIC
+ * request a scan of a single channel specified by freq.
* @P2P_SCAN_SOCIAL_PLUS_ONE request scan of all the social channels
* plus one extra channel specified by freq.
*
* 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
* @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
* @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.
* 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);
+ 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
* 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
+ * @freq: Variable for returning the current operating frequency of a
+ * currently running P2P GO.
+ * 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,
+ unsigned int *freq);
+
+ /**
+ * 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,
+ unsigned int freq, const u8 *group_ssid,
+ size_t group_ssid_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
+ * @ctx: Callback context from cb_ctx
+ * @incoming: Peer requested roles, expressed with P2PS_SETUP_* bitmap.
+ * @role: Local roles, expressed with P2PS_SETUP_* bitmap.
+ * @force_freq: Variable for returning forced frequency for the group.
+ * @pref_freq: Variable for returning preferred frequency for the group.
+ * Returns: P2PS_SETUP_* bitmap of group capability result.
+ *
+ * This function can be used to determine group capability and
+ * frequencies based on information from P2PS PD exchange and the
+ * current state of ongoing groups and driver capabilities.
+ */
+ u8 (*p2ps_group_capability)(void *ctx, u8 incoming, u8 role,
+ unsigned int *force_freq,
+ unsigned int *pref_freq);
+
+ /**
+ * 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);
};
* 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,
unsigned int num_req_dev_types, const u8 *req_dev_types,
- const u8 *dev_id, unsigned int search_delay);
+ 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)
* 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)
* 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, int force_freq,
+ struct p2ps_provision *p2ps_prov, u16 config_methods,
+ int join, int force_freq,
int user_initiated_pd);
/**
* @bssid: BSSID if available or %NULL
* @ie: Information elements from the Probe Request frame body
* @ie_len: Length of ie buffer in octets
+ * @rx_freq: Probe Request frame RX frequency
+ * @p2p_lo_started: Whether P2P Listen Offload is started
* Returns: value indicating the type and status of the probe request
*/
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);
+ const u8 *bssid, const u8 *ie, size_t ie_len,
+ unsigned int rx_freq, int p2p_lo_started);
/**
* p2p_rx_action - Report received Action frame
/**
* ssid - Group SSID
*/
- u8 ssid[32];
+ u8 ssid[SSID_MAX_LEN];
/**
* ssid_len - Length of SSID
int freq;
/**
+ * ip_addr_alloc - Whether IP address allocation within 4-way handshake
+ * is supported
+ */
+ int ip_addr_alloc;
+
+ /**
* cb_ctx - Context to use with callback functions
*/
void *cb_ctx;
* @p2p: P2P module context from p2p_init()
* @ies: Buffer for writing P2P IE
* @dev_id: Device ID to search for or %NULL for any
+ * @bands: Frequency bands used in the scan (enum wpa_radio_work_band bitmap)
*/
-void p2p_scan_ie(struct p2p_data *p2p, struct wpabuf *ies, const u8 *dev_id);
+void p2p_scan_ie(struct p2p_data *p2p, struct wpabuf *ies, const u8 *dev_id,
+ unsigned int bands);
/**
* p2p_scan_ie_buf_len - Get maximum buffer length needed for p2p_scan_ie
*/
void p2p_set_managed_oper(struct p2p_data *p2p, int enabled);
+/**
+ * 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);
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()
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
const u8 * p2p_iterate_group_members(struct p2p_group *group, void **next);
/**
+ * p2p_group_get_client_interface_addr - Get P2P Interface Address of a client in a group
+ * @group: P2P group context from p2p_group_init()
+ * @dev_addr: P2P Device Address of the client
+ * Returns: P2P Interface Address of the client if found or %NULL if no match
+ * found
+ */
+const u8 * p2p_group_get_client_interface_addr(struct p2p_group *group,
+ const u8 *dev_addr);
+
+/**
* 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
/**
* p2p_in_progress - Check whether a P2P operation is progress
* @p2p: P2P module context from p2p_init()
- * Returns: 0 if P2P module is idle or 1 if an operation is in progress
+ * 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);
size_t oob_dev_pw_len;
int go_freq;
u8 go_dev_addr[ETH_ALEN];
- u8 go_ssid[32];
+ u8 go_ssid[SSID_MAX_LEN];
size_t go_ssid_len;
};
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);
+
+struct wpabuf * p2p_build_probe_resp_template(struct p2p_data *p2p,
+ unsigned int freq);
+
#endif /* P2P_H */
projects / mech_eap.git / blobdiff