#ifndef P2P_H
#define P2P_H
+#include "wps/wps_defs.h"
+
/**
* P2P_MAX_REG_CLASSES - Maximum number of regulatory classes
*/
};
enum p2p_wps_method {
- WPS_NOT_READY, WPS_PIN_DISPLAY, WPS_PIN_KEYPAD, WPS_PBC
+ WPS_NOT_READY, WPS_PIN_DISPLAY, WPS_PIN_KEYPAD, WPS_PBC, WPS_NFC
};
/**
int ht40;
+ int vht;
+
/**
* ssid - SSID of the group
*/
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];
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;
};
enum p2p_prov_disc_status {
P2P_PROV_DISC_SUCCESS,
P2P_PROV_DISC_TIMEOUT,
P2P_PROV_DISC_REJECTED,
+ P2P_PROV_DISC_TIMEOUT_JOIN,
};
struct p2p_channel {
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;
size_t ssid_postfix_len;
/**
- * msg_ctx - Context to use with wpa_msg() calls
+ * max_listen - Maximum listen duration in ms
*/
- void *msg_ctx;
+ unsigned int max_listen;
/**
* 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 */
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
* @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
* 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);
/**
* 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
*
* 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);
/**
* go_connected - Check whether we are connected to a 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);
};
* 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
* 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);
+ const u8 *dev_id, unsigned int search_delay);
/**
* p2p_stop_find - Stop P2P Find (Device Discovery)
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
* @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,
int go_intent, const u8 *own_interface_addr,
unsigned int force_freq, int persistent_group,
const u8 *force_ssid, size_t force_ssid_len,
- int pd_before_go_neg);
+ int pd_before_go_neg, unsigned int pref_freq, u16 oob_pw_id);
/**
* p2p_authorize - Authorize P2P group formation (GO negotiation)
* @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
enum p2p_wps_method wps_method,
int go_intent, const u8 *own_interface_addr,
unsigned int force_freq, int persistent_group,
- const u8 *force_ssid, size_t force_ssid_len);
+ 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)
* @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, int force_freq);
+ 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)
* 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);
/**
* p2p_presence_req - Request GO presence
* @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
size_t ssid_len;
/**
+ * freq - Operating channel of the group
+ */
+ int freq;
+
+ /**
* cb_ctx - Context to use with callback functions
*/
void *cb_ctx;
*/
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);
+
/**
* 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
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);
/**
const struct p2p_channel *pref_chan);
/**
- * p2p_in_progress - Check whether a P2P operation is progress
+ * p2p_set_no_go_freq - Set no GO channel ranges
* @p2p: P2P module context from p2p_init()
- * Returns: 0 if P2P module is idle or 1 if an operation is in progress
+ * @list: Channel ranges or %NULL to remove restriction
+ * Returns: 0 on success, -1 on failure
*/
-int p2p_in_progress(struct p2p_data *p2p);
+int p2p_set_no_go_freq(struct p2p_data *p2p,
+ const struct wpa_freq_range_list *list);
/**
- * p2p_other_scan_completed - Notify completion of non-P2P scan
+ * 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 was started
+ * Returns: 0 if P2P module is idle or 1 if an operation is in progress
*/
-int p2p_other_scan_completed(struct p2p_data *p2p);
+int p2p_in_progress(struct p2p_data *p2p);
const char * p2p_wps_method_text(enum p2p_wps_method method);
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);
+struct wpabuf * p2p_build_nfc_handover_sel(struct p2p_data *p2p);
+
+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
+ } 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 p2p_process_nfc_connection_handover(struct p2p_data *p2p,
+ struct p2p_nfc_params *params);
+
#endif /* P2P_H */